diff options
| author | Pierre Ossman <ossman@cendio.se> | 2011-03-02 15:38:19 +0000 |
|---|---|---|
| committer | Pierre Ossman <ossman@cendio.se> | 2011-03-02 15:38:19 +0000 |
| commit | 4973cdcf77180481434e719a5f42598b7c9518ff (patch) | |
| tree | 5491d72883da074dd49e4481805096af1c24b77d | |
| parent | 8c46619688d093a55e7392d39f6a7b6d627c1dcd (diff) | |
| download | tigervnc-4973cdcf77180481434e719a5f42598b7c9518ff.tar.gz tigervnc-4973cdcf77180481434e719a5f42598b7c9518ff.zip | |
Remove the included libjpeg-turbo from the tree and rely completely on one
being provided by the system.
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4310 3789f03b-4d11-0410-bbf8-ca57d06f2519
180 files changed, 3 insertions, 61039 deletions
diff --git a/common/CMakeLists.txt b/common/CMakeLists.txt index aaede056..145dfdad 100644 --- a/common/CMakeLists.txt +++ b/common/CMakeLists.txt @@ -1,6 +1,5 @@ add_subdirectory(os) add_subdirectory(zlib) -add_subdirectory(jpeg) add_subdirectory(rdr) add_subdirectory(network) add_subdirectory(Xregion) diff --git a/common/Makefile.am b/common/Makefile.am index 15400c29..88420d2b 100644 --- a/common/Makefile.am +++ b/common/Makefile.am @@ -3,9 +3,6 @@ SUBDIRS = os if INCLUDED_ZLIB SUBDIRS += zlib endif -if INCLUDED_JPEG -SUBDIRS += jpeg -endif SUBDIRS += rdr network Xregion rfb diff --git a/common/jpeg/CMakeLists.txt b/common/jpeg/CMakeLists.txt deleted file mode 100644 index e148c9c1..00000000 --- a/common/jpeg/CMakeLists.txt +++ /dev/null @@ -1,119 +0,0 @@ -# -# Setup -# - -cmake_minimum_required(VERSION 2.6) - -project(libjpeg-turbo) -set(VERSION 1.0.90) - -if(NOT DEFINED WITH_SIMD) - set(WITH_SIMD 1) -endif() - -# Detect whether compiler is 64-bit -if(MSVC AND CMAKE_CL_64) - set(SIMD_X86_64 1) - set(64BIT 1) -elseif(CMAKE_SIZEOF_VOID_P MATCHES 8) - set(SIMD_X86_64 1) - set(64BIT 1) -endif() - -if(64BIT) - message(STATUS "64-bit build") -else() - message(STATUS "32-bit build") -endif() - -include_directories(${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/win) - - -# -# Targets -# - -set(JPEG_SOURCES jcapimin.c jcapistd.c jccoefct.c jccolor.c jcdctmgr.c jchuff.c - jcinit.c jcmainct.c jcmarker.c jcmaster.c jcomapi.c jcparam.c jcphuff.c - jcprepct.c jcsample.c jctrans.c jdapimin.c jdapistd.c jdatadst.c jdatasrc.c - jdcoefct.c jdcolor.c jddctmgr.c jdhuff.c jdinput.c jdmainct.c jdmarker.c - jdmaster.c jdmerge.c jdphuff.c jdpostct.c jdsample.c jdtrans.c jerror.c - jfdctflt.c jfdctfst.c jfdctint.c jidctflt.c jidctfst.c jidctint.c jidctred.c - jquant1.c jquant2.c jutils.c jmemmgr.c jmemnobs.c) - -if(WITH_SIMD) - add_definitions(-DWITH_SIMD) - add_subdirectory(simd) - if(SIMD_X86_64) - set(JPEG_SOURCES ${JPEG_SOURCES} simd/jsimd_x86_64.c) - else() - set(JPEG_SOURCES ${JPEG_SOURCES} simd/jsimd_i386.c) - endif() - # This tells CMake that the "source" files haven't been generated yet - set_source_files_properties(${SIMD_OBJS} PROPERTIES GENERATED 1) -else() - set(JPEG_SOURCES ${JPEG_SOURCES} jsimd_none.c) - message(STATUS "Not using SIMD acceleration") -endif() - -add_library(jpeg STATIC ${JPEG_SOURCES} ${SIMD_OBJS}) -if(WITH_SIMD) - add_dependencies(jpeg simd) -endif() - -add_executable(jpegut jpegut.c turbojpegl.c) -target_link_libraries(jpegut jpeg) - -add_executable(jpgtest jpgtest.cxx bmp.c turbojpegl.c) -target_link_libraries(jpgtest jpeg) - -add_executable(cjpeg cjpeg.c cdjpeg.c rdbmp.c rdgif.c rdppm.c rdswitch.c - rdtarga.c) -set_property(TARGET cjpeg PROPERTY COMPILE_FLAGS - "-DBMP_SUPPORTED -DGIF_SUPPORTED -DPPM_SUPPORTED -DTARGA_SUPPORTED") -target_link_libraries(cjpeg jpeg) - -add_executable(djpeg djpeg.c cdjpeg.c rdcolmap.c rdswitch.c wrbmp.c wrgif.c - wrppm.c wrtarga.c) -set_property(TARGET djpeg PROPERTY COMPILE_FLAGS - "-DBMP_SUPPORTED -DGIF_SUPPORTED -DPPM_SUPPORTED -DTARGA_SUPPORTED") -target_link_libraries(djpeg jpeg) - -add_executable(jpegtran jpegtran.c cdjpeg.c rdswitch.c transupp.c) -target_link_libraries(jpegtran jpeg) - - -# -# Tests -# - -enable_testing() -add_test(jpegut jpegut) -add_test(cjpeg-int cjpeg -dct int -outfile testoutint.jpg ${CMAKE_CURRENT_SOURCE_DIR}/testorig.ppm) -add_test(cjpeg-int-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_CURRENT_SOURCE_DIR}/testimgint.jpg testoutint.jpg) -add_test(cjpeg-fast cjpeg -dct fast -opt -outfile testoutfst.jpg ${CMAKE_CURRENT_SOURCE_DIR}/testorig.ppm) -add_test(cjpeg-fast-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_CURRENT_SOURCE_DIR}/testimgfst.jpg testoutfst.jpg) -add_test(cjpeg-fast-100 cjpeg -dct fast -quality 100 -opt -outfile testoutfst100.jpg ${CMAKE_CURRENT_SOURCE_DIR}/testorig.ppm) -add_test(cjpeg-fast-100-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_CURRENT_SOURCE_DIR}/testimgfst100.jpg testoutfst100.jpg) -add_test(cjpeg-float cjpeg -dct float -outfile testoutflt.jpg ${CMAKE_CURRENT_SOURCE_DIR}/testorig.ppm) -if(WITH_SIMD) -add_test(cjpeg-float-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_CURRENT_SOURCE_DIR}/testimgflt.jpg testoutflt.jpg) -else() -add_test(cjpeg-float-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_CURRENT_SOURCE_DIR}/testimgflt-nosimd.jpg testoutflt.jpg) -endif() -add_test(djpeg-int djpeg -dct int -fast -ppm -outfile testoutint.ppm ${CMAKE_CURRENT_SOURCE_DIR}/testorig.jpg) -add_test(djpeg-int-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_CURRENT_SOURCE_DIR}/testimgint.ppm testoutint.ppm) -add_test(djpeg-fast djpeg -dct fast -ppm -outfile testoutfst.ppm ${CMAKE_CURRENT_SOURCE_DIR}/testorig.jpg) -add_test(djpeg-fast-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_CURRENT_SOURCE_DIR}/testimgfst.ppm testoutfst.ppm) -add_test(djpeg-float djpeg -dct float -ppm -outfile testoutflt.ppm ${CMAKE_CURRENT_SOURCE_DIR}/testorig.jpg) -if(WITH_SIMD) -add_test(djpeg-float-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_CURRENT_SOURCE_DIR}/testimgflt.ppm testoutflt.ppm) -else() -add_test(djpeg-float-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_CURRENT_SOURCE_DIR}/testorig.ppm testoutflt.ppm) -endif() -add_test(djpeg-256 djpeg -dct int -bmp -colors 256 -outfile testout.bmp ${CMAKE_CURRENT_SOURCE_DIR}/testorig.jpg) -add_test(djpeg-256-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_CURRENT_SOURCE_DIR}/testimg.bmp testout.bmp) -add_test(cjpeg-prog cjpeg -dct int -progressive -outfile testoutp.jpg ${CMAKE_CURRENT_SOURCE_DIR}/testorig.ppm) -add_test(cjpeg-prog-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_CURRENT_SOURCE_DIR}/testimgp.jpg testoutp.jpg) -add_test(jpegtran-prog jpegtran -outfile testoutt.jpg testoutp.jpg) -add_test(jpegtran-prog-cmp ${CMAKE_COMMAND} -E compare_files ${CMAKE_CURRENT_SOURCE_DIR}/testimgint.jpg testoutt.jpg) diff --git a/common/jpeg/LGPL.txt b/common/jpeg/LGPL.txt deleted file mode 100644 index b1e3f5a2..00000000 --- a/common/jpeg/LGPL.txt +++ /dev/null @@ -1,504 +0,0 @@ - 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If you copy code from files distributed under the terms of the GNU - General Public Licence or the GNU Library General Public Licence into a - copy of this library, as this licence permits, the exception does not - apply to the code that you add in this way. To avoid misleading anyone as - to the status of such modified files, you must delete this exception - notice from such code and/or adjust the licensing conditions notice - accordingly. - - 4. If you write modifications of your own for this library, it is your - choice whether to permit this exception to apply to your modifications. - If you do not wish that, you must delete the exception notice from such - code and/or adjust the licensing conditions notice accordingly. - - diff --git a/common/jpeg/Makefile.am b/common/jpeg/Makefile.am deleted file mode 100644 index cfd8281a..00000000 --- a/common/jpeg/Makefile.am +++ /dev/null @@ -1,139 +0,0 @@ -noinst_LTLIBRARIES = libjpeg.la -noinst_HEADERS = jerror.h jmorecfg.h jpeglib.h -nodist_noinst_HEADERS = jconfig.h - -HDRS = jchuff.h jdct.h jdhuff.h jerror.h jinclude.h jmemsys.h jmorecfg.h \ - jpegint.h jpeglib.h jversion.h jsimd.h jsimddct.h - -libjpeg_la_SOURCES = $(HDRS) jcapimin.c jcapistd.c jccoefct.c jccolor.c \ - jcdctmgr.c jchuff.c jcinit.c jcmainct.c jcmarker.c jcmaster.c \ - jcomapi.c jcparam.c jcphuff.c jcprepct.c jcsample.c jctrans.c \ - jdapimin.c jdapistd.c jdatadst.c jdatasrc.c jdcoefct.c jdcolor.c \ - jddctmgr.c jdhuff.c jdinput.c jdmainct.c jdmarker.c jdmaster.c \ - jdmerge.c jdphuff.c jdpostct.c jdsample.c jdtrans.c jerror.c \ - jfdctflt.c jfdctfst.c jfdctint.c jidctflt.c jidctfst.c jidctint.c \ - jidctred.c jquant1.c jquant2.c jutils.c jmemmgr.c jmemnobs.c - -if WITH_SIMD - -SUBDIRS = simd -libjpeg_la_LIBADD = simd/libsimd.la - -else - -libjpeg_la_SOURCES += jsimd_none.c - -endif - -TSTHDRS = turbojpeg.h rrutil.h rrtimer.h - -noinst_PROGRAMS = jpgtest jpegut cjpeg djpeg jpegtran - -jpgtest_SOURCES = $(TSTHDRS) jpgtest.cxx bmp.h bmp.c turbojpegl.c - -jpgtest_LDADD = libjpeg.la - -jpegut_SOURCES = $(TSTHDRS) jpegut.c bmp.h bmp.c turbojpegl.c - -jpegut_LDADD = libjpeg.la - -cjpeg_SOURCES = cdjpeg.h cderror.h cdjpeg.c cjpeg.c rdbmp.c rdgif.c \ - rdppm.c rdswitch.c rdtarga.c - -cjpeg_LDADD = libjpeg.la - -cjpeg_CFLAGS = -DBMP_SUPPORTED -DGIF_SUPPORTED -DPPM_SUPPORTED \ - -DTARGA_SUPPORTED - -djpeg_SOURCES = cdjpeg.h cderror.h cdjpeg.c djpeg.c rdcolmap.c rdswitch.c \ - wrbmp.c wrgif.c wrppm.c wrtarga.c - -djpeg_LDADD = libjpeg.la - -djpeg_CFLAGS = -DBMP_SUPPORTED -DGIF_SUPPORTED -DPPM_SUPPORTED \ - -DTARGA_SUPPORTED - -jpegtran_SOURCES = jpegtran.c rdswitch.c cdjpeg.c transupp.c transupp.h - -jpegtran_LDADD = libjpeg.la - - -DOCS= jconfig.doc README README-turbo.txt LICENSE.txt LGPL.txt \ - README_TigerVNC.txt - -TESTFILES= testorig.jpg testorig.ppm testimg.bmp testimgflt.jpg \ - testimgfst.jpg testimgint.jpg testimgp.jpg testimgflt.ppm testimgfst.ppm \ - testimgint.ppm testimgflt-nosimd.jpg testimgfst100.jpg - -EXTRA_DIST = win $(DOCS) $(TESTFILES) CMakeLists.txt - -dist-hook: - rm -rf `find $(distdir) -name .svn` - - -if WITH_SIMD - -test: testclean all - ./jpegut - ./cjpeg -dct int -outfile testoutint.jpg $(srcdir)/testorig.ppm - ./cjpeg -dct fast -opt -outfile testoutfst.jpg $(srcdir)/testorig.ppm - ./cjpeg -dct fast -quality 100 -opt -outfile testoutfst100.jpg $(srcdir)/testorig.ppm - ./cjpeg -dct float -outfile testoutflt.jpg $(srcdir)/testorig.ppm - cmp $(srcdir)/testimgint.jpg testoutint.jpg - cmp $(srcdir)/testimgfst.jpg testoutfst.jpg - cmp $(srcdir)/testimgfst100.jpg testoutfst100.jpg - cmp $(srcdir)/testimgflt.jpg testoutflt.jpg - ./djpeg -dct int -fast -ppm -outfile testoutint.ppm $(srcdir)/testorig.jpg - ./djpeg -dct fast -ppm -outfile testoutfst.ppm $(srcdir)/testorig.jpg - ./djpeg -dct float -ppm -outfile testoutflt.ppm $(srcdir)/testorig.jpg - cmp $(srcdir)/testimgint.ppm testoutint.ppm - cmp $(srcdir)/testimgfst.ppm testoutfst.ppm - cmp $(srcdir)/testimgflt.ppm testoutflt.ppm - ./djpeg -dct int -bmp -colors 256 -outfile testout.bmp $(srcdir)/testorig.jpg - cmp $(srcdir)/testimg.bmp testout.bmp - ./cjpeg -dct int -progressive -outfile testoutp.jpg $(srcdir)/testorig.ppm - cmp $(srcdir)/testimgp.jpg testoutp.jpg - ./jpegtran -outfile testoutt.jpg testoutp.jpg - cmp $(srcdir)/testimgint.jpg testoutt.jpg - -else - -test: testclean all - ./jpegut - ./cjpeg -dct int -outfile testoutint.jpg $(srcdir)/testorig.ppm - ./cjpeg -dct fast -opt -outfile testoutfst.jpg $(srcdir)/testorig.ppm - ./cjpeg -dct fast -quality 100 -opt -outfile testoutfst100.jpg $(srcdir)/testorig.ppm - ./cjpeg -dct float -outfile testoutflt.jpg $(srcdir)/testorig.ppm - cmp $(srcdir)/testimgint.jpg testoutint.jpg - cmp $(srcdir)/testimgfst.jpg testoutfst.jpg - cmp $(srcdir)/testimgfst100.jpg testoutfst100.jpg - cmp $(srcdir)/testimgflt-nosimd.jpg testoutflt.jpg - ./djpeg -dct int -fast -ppm -outfile testoutint.ppm $(srcdir)/testorig.jpg - ./djpeg -dct fast -ppm -outfile testoutfst.ppm $(srcdir)/testorig.jpg - ./djpeg -dct float -ppm -outfile testoutflt.ppm $(srcdir)/testorig.jpg - cmp $(srcdir)/testimgint.ppm testoutint.ppm - cmp $(srcdir)/testimgfst.ppm testoutfst.ppm - cmp $(srcdir)/testorig.ppm testoutflt.ppm - ./djpeg -dct int -bmp -colors 256 -outfile testout.bmp $(srcdir)/testorig.jpg - cmp $(srcdir)/testimg.bmp testout.bmp - ./cjpeg -dct int -progressive -outfile testoutp.jpg $(srcdir)/testorig.ppm - cmp $(srcdir)/testimgp.jpg testoutp.jpg - ./jpegtran -outfile testoutt.jpg testoutp.jpg - cmp $(srcdir)/testimgint.jpg testoutt.jpg - -endif - -testclean: - rm -f testout* - rm -f *_GRAYQ[0-9]*.bmp - rm -f *_GRAYQ[0-9]*.ppm - rm -f *_GRAYQ[0-9]*.jpg - rm -f *_420Q[0-9]*.bmp - rm -f *_420Q[0-9]*.ppm - rm -f *_420Q[0-9]*.jpg - rm -f *_422Q[0-9]*.bmp - rm -f *_422Q[0-9]*.ppm - rm -f *_422Q[0-9]*.jpg - rm -f *_444Q[0-9]*.bmp - rm -f *_444Q[0-9]*.ppm - rm -f *_444Q[0-9]*.jpg diff --git a/common/jpeg/README b/common/jpeg/README deleted file mode 100644 index 22e89b03..00000000 --- a/common/jpeg/README +++ /dev/null @@ -1,392 +0,0 @@ -libjpeg-turbo note: This is the legacy document from the original libjpeg v6b -release, which is included for reference. The Internet addresses given below -are likely non-functional. For more information about the libjpeg project, -please see http://www.ijg.org. For more information about libjpeg-turbo, -please see http://libjpeg-turbo.virtualgl.org. - - -The Independent JPEG Group's JPEG software -========================================== - -README for release 6b of 27-Mar-1998 -==================================== - -This distribution contains the sixth public release of the Independent JPEG -Group's free JPEG software. You are welcome to redistribute this software and -to use it for any purpose, subject to the conditions under LEGAL ISSUES, below. - -Serious users of this software (particularly those incorporating it into -larger programs) should contact IJG at jpeg-info@uunet.uu.net to be added to -our electronic mailing list. Mailing list members are notified of updates -and have a chance to participate in technical discussions, etc. - -This software is the work of Tom Lane, Philip Gladstone, Jim Boucher, -Lee Crocker, Julian Minguillon, Luis Ortiz, George Phillips, Davide Rossi, -Guido Vollbeding, Ge' Weijers, and other members of the Independent JPEG -Group. - -IJG is not affiliated with the official ISO JPEG standards committee. - - -DOCUMENTATION ROADMAP -===================== - -This file contains the following sections: - -OVERVIEW General description of JPEG and the IJG software. -LEGAL ISSUES Copyright, lack of warranty, terms of distribution. -REFERENCES Where to learn more about JPEG. -ARCHIVE LOCATIONS Where to find newer versions of this software. -RELATED SOFTWARE Other stuff you should get. -FILE FORMAT WARS Software *not* to get. -TO DO Plans for future IJG releases. - -Other documentation files in the distribution are: - -User documentation: - install.doc How to configure and install the IJG software. - usage.doc Usage instructions for cjpeg, djpeg, jpegtran, - rdjpgcom, and wrjpgcom. - *.1 Unix-style man pages for programs (same info as usage.doc). - wizard.doc Advanced usage instructions for JPEG wizards only. - change.log Version-to-version change highlights. -Programmer and internal documentation: - libjpeg.doc How to use the JPEG library in your own programs. - example.c Sample code for calling the JPEG library. - structure.doc Overview of the JPEG library's internal structure. - filelist.doc Road map of IJG files. - coderules.doc Coding style rules --- please read if you contribute code. - -Please read at least the files install.doc and usage.doc. Useful information -can also be found in the JPEG FAQ (Frequently Asked Questions) article. See -ARCHIVE LOCATIONS below to find out where to obtain the FAQ article. - -If you want to understand how the JPEG code works, we suggest reading one or -more of the REFERENCES, then looking at the documentation files (in roughly -the order listed) before diving into the code. - - -OVERVIEW -======== - -This package contains C software to implement JPEG image compression and -decompression. JPEG (pronounced "jay-peg") is a standardized compression -method for full-color and gray-scale images. JPEG is intended for compressing -"real-world" scenes; line drawings, cartoons and other non-realistic images -are not its strong suit. JPEG is lossy, meaning that the output image is not -exactly identical to the input image. Hence you must not use JPEG if you -have to have identical output bits. However, on typical photographic images, -very good compression levels can be obtained with no visible change, and -remarkably high compression levels are possible if you can tolerate a -low-quality image. For more details, see the references, or just experiment -with various compression settings. - -This software implements JPEG baseline, extended-sequential, and progressive -compression processes. Provision is made for supporting all variants of these -processes, although some uncommon parameter settings aren't implemented yet. -For legal reasons, we are not distributing code for the arithmetic-coding -variants of JPEG; see LEGAL ISSUES. We have made no provision for supporting -the hierarchical or lossless processes defined in the standard. - -We provide a set of library routines for reading and writing JPEG image files, -plus two sample applications "cjpeg" and "djpeg", which use the library to -perform conversion between JPEG and some other popular image file formats. -The library is intended to be reused in other applications. - -In order to support file conversion and viewing software, we have included -considerable functionality beyond the bare JPEG coding/decoding capability; -for example, the color quantization modules are not strictly part of JPEG -decoding, but they are essential for output to colormapped file formats or -colormapped displays. These extra functions can be compiled out of the -library if not required for a particular application. We have also included -"jpegtran", a utility for lossless transcoding between different JPEG -processes, and "rdjpgcom" and "wrjpgcom", two simple applications for -inserting and extracting textual comments in JFIF files. - -The emphasis in designing this software has been on achieving portability and -flexibility, while also making it fast enough to be useful. In particular, -the software is not intended to be read as a tutorial on JPEG. (See the -REFERENCES section for introductory material.) Rather, it is intended to -be reliable, portable, industrial-strength code. We do not claim to have -achieved that goal in every aspect of the software, but we strive for it. - -We welcome the use of this software as a component of commercial products. -No royalty is required, but we do ask for an acknowledgement in product -documentation, as described under LEGAL ISSUES. - - -LEGAL ISSUES -============ - -In plain English: - -1. We don't promise that this software works. (But if you find any bugs, - please let us know!) -2. You can use this software for whatever you want. You don't have to pay us. -3. You may not pretend that you wrote this software. If you use it in a - program, you must acknowledge somewhere in your documentation that - you've used the IJG code. - -In legalese: - -The authors make NO WARRANTY or representation, either express or implied, -with respect to this software, its quality, accuracy, merchantability, or -fitness for a particular purpose. This software is provided "AS IS", and you, -its user, assume the entire risk as to its quality and accuracy. - -This software is copyright (C) 1991-1998, Thomas G. Lane. -All Rights Reserved except as specified below. - -Permission is hereby granted to use, copy, modify, and distribute this -software (or portions thereof) for any purpose, without fee, subject to these -conditions: -(1) If any part of the source code for this software is distributed, then this -README file must be included, with this copyright and no-warranty notice -unaltered; and any additions, deletions, or changes to the original files -must be clearly indicated in accompanying documentation. -(2) If only executable code is distributed, then the accompanying -documentation must state that "this software is based in part on the work of -the Independent JPEG Group". -(3) Permission for use of this software is granted only if the user accepts -full responsibility for any undesirable consequences; the authors accept -NO LIABILITY for damages of any kind. - -These conditions apply to any software derived from or based on the IJG code, -not just to the unmodified library. If you use our work, you ought to -acknowledge us. - -Permission is NOT granted for the use of any IJG author's name or company name -in advertising or publicity relating to this software or products derived from -it. This software may be referred to only as "the Independent JPEG Group's -software". - -We specifically permit and encourage the use of this software as the basis of -commercial products, provided that all warranty or liability claims are -assumed by the product vendor. - - -ansi2knr.c is included in this distribution by permission of L. Peter Deutsch, -sole proprietor of its copyright holder, Aladdin Enterprises of Menlo Park, CA. -ansi2knr.c is NOT covered by the above copyright and conditions, but instead -by the usual distribution terms of the Free Software Foundation; principally, -that you must include source code if you redistribute it. (See the file -ansi2knr.c for full details.) However, since ansi2knr.c is not needed as part -of any program generated from the IJG code, this does not limit you more than -the foregoing paragraphs do. - -The Unix configuration script "configure" was produced with GNU Autoconf. -It is copyright by the Free Software Foundation but is freely distributable. -The same holds for its supporting scripts (config.guess, config.sub, -ltconfig, ltmain.sh). Another support script, install-sh, is copyright -by M.I.T. but is also freely distributable. - -It appears that the arithmetic coding option of the JPEG spec is covered by -patents owned by IBM, AT&T, and Mitsubishi. Hence arithmetic coding cannot -legally be used without obtaining one or more licenses. For this reason, -support for arithmetic coding has been removed from the free JPEG software. -(Since arithmetic coding provides only a marginal gain over the unpatented -Huffman mode, it is unlikely that very many implementations will support it.) -So far as we are aware, there are no patent restrictions on the remaining -code. - -The IJG distribution formerly included code to read and write GIF files. -To avoid entanglement with the Unisys LZW patent, GIF reading support has -been removed altogether, and the GIF writer has been simplified to produce -"uncompressed GIFs". This technique does not use the LZW algorithm; the -resulting GIF files are larger than usual, but are readable by all standard -GIF decoders. - -We are required to state that - "The Graphics Interchange Format(c) is the Copyright property of - CompuServe Incorporated. GIF(sm) is a Service Mark property of - CompuServe Incorporated." - - -REFERENCES -========== - -We highly recommend reading one or more of these references before trying to -understand the innards of the JPEG software. - -The best short technical introduction to the JPEG compression algorithm is - Wallace, Gregory K. "The JPEG Still Picture Compression Standard", - Communications of the ACM, April 1991 (vol. 34 no. 4), pp. 30-44. -(Adjacent articles in that issue discuss MPEG motion picture compression, -applications of JPEG, and related topics.) If you don't have the CACM issue -handy, a PostScript file containing a revised version of Wallace's article is -available at ftp://ftp.uu.net/graphics/jpeg/wallace.ps.gz. The file (actually -a preprint for an article that appeared in IEEE Trans. Consumer Electronics) -omits the sample images that appeared in CACM, but it includes corrections -and some added material. Note: the Wallace article is copyright ACM and IEEE, -and it may not be used for commercial purposes. - -A somewhat less technical, more leisurely introduction to JPEG can be found in -"The Data Compression Book" by Mark Nelson and Jean-loup Gailly, published by -M&T Books (New York), 2nd ed. 1996, ISBN 1-55851-434-1. This book provides -good explanations and example C code for a multitude of compression methods -including JPEG. It is an excellent source if you are comfortable reading C -code but don't know much about data compression in general. The book's JPEG -sample code is far from industrial-strength, but when you are ready to look -at a full implementation, you've got one here... - -The best full description of JPEG is the textbook "JPEG Still Image Data -Compression Standard" by William B. Pennebaker and Joan L. Mitchell, published -by Van Nostrand Reinhold, 1993, ISBN 0-442-01272-1. Price US$59.95, 638 pp. -The book includes the complete text of the ISO JPEG standards (DIS 10918-1 -and draft DIS 10918-2). This is by far the most complete exposition of JPEG -in existence, and we highly recommend it. - -The JPEG standard itself is not available electronically; you must order a -paper copy through ISO or ITU. (Unless you feel a need to own a certified -official copy, we recommend buying the Pennebaker and Mitchell book instead; -it's much cheaper and includes a great deal of useful explanatory material.) -In the USA, copies of the standard may be ordered from ANSI Sales at (212) -642-4900, or from Global Engineering Documents at (800) 854-7179. (ANSI -doesn't take credit card orders, but Global does.) It's not cheap: as of -1992, ANSI was charging $95 for Part 1 and $47 for Part 2, plus 7% -shipping/handling. The standard is divided into two parts, Part 1 being the -actual specification, while Part 2 covers compliance testing methods. Part 1 -is titled "Digital Compression and Coding of Continuous-tone Still Images, -Part 1: Requirements and guidelines" and has document numbers ISO/IEC IS -10918-1, ITU-T T.81. Part 2 is titled "Digital Compression and Coding of -Continuous-tone Still Images, Part 2: Compliance testing" and has document -numbers ISO/IEC IS 10918-2, ITU-T T.83. - -Some extensions to the original JPEG standard are defined in JPEG Part 3, -a newer ISO standard numbered ISO/IEC IS 10918-3 and ITU-T T.84. IJG -currently does not support any Part 3 extensions. - -The JPEG standard does not specify all details of an interchangeable file -format. For the omitted details we follow the "JFIF" conventions, revision -1.02. A copy of the JFIF spec is available from: - Literature Department - C-Cube Microsystems, Inc. - 1778 McCarthy Blvd. - Milpitas, CA 95035 - phone (408) 944-6300, fax (408) 944-6314 -A PostScript version of this document is available by FTP at -ftp://ftp.uu.net/graphics/jpeg/jfif.ps.gz. There is also a plain text -version at ftp://ftp.uu.net/graphics/jpeg/jfif.txt.gz, but it is missing -the figures. - -The TIFF 6.0 file format specification can be obtained by FTP from -ftp://ftp.sgi.com/graphics/tiff/TIFF6.ps.gz. The JPEG incorporation scheme -found in the TIFF 6.0 spec of 3-June-92 has a number of serious problems. -IJG does not recommend use of the TIFF 6.0 design (TIFF Compression tag 6). -Instead, we recommend the JPEG design proposed by TIFF Technical Note #2 -(Compression tag 7). Copies of this Note can be obtained from ftp.sgi.com or -from ftp://ftp.uu.net/graphics/jpeg/. It is expected that the next revision -of the TIFF spec will replace the 6.0 JPEG design with the Note's design. -Although IJG's own code does not support TIFF/JPEG, the free libtiff library -uses our library to implement TIFF/JPEG per the Note. libtiff is available -from ftp://ftp.sgi.com/graphics/tiff/. - - -ARCHIVE LOCATIONS -================= - -The "official" archive site for this software is ftp.uu.net (Internet -address 192.48.96.9). The most recent released version can always be found -there in directory graphics/jpeg. This particular version will be archived -as ftp://ftp.uu.net/graphics/jpeg/jpegsrc.v6b.tar.gz. If you don't have -direct Internet access, UUNET's archives are also available via UUCP; contact -help@uunet.uu.net for information on retrieving files that way. - -Numerous Internet sites maintain copies of the UUNET files. However, only -ftp.uu.net is guaranteed to have the latest official version. - -You can also obtain this software in DOS-compatible "zip" archive format from -the SimTel archives (ftp://ftp.simtel.net/pub/simtelnet/msdos/graphics/), or -on CompuServe in the Graphics Support forum (GO CIS:GRAPHSUP), library 12 -"JPEG Tools". Again, these versions may sometimes lag behind the ftp.uu.net -release. - -The JPEG FAQ (Frequently Asked Questions) article is a useful source of -general information about JPEG. It is updated constantly and therefore is -not included in this distribution. The FAQ is posted every two weeks to -Usenet newsgroups comp.graphics.misc, news.answers, and other groups. -It is available on the World Wide Web at http://www.faqs.org/faqs/jpeg-faq/ -and other news.answers archive sites, including the official news.answers -archive at rtfm.mit.edu: ftp://rtfm.mit.edu/pub/usenet/news.answers/jpeg-faq/. -If you don't have Web or FTP access, send e-mail to mail-server@rtfm.mit.edu -with body - send usenet/news.answers/jpeg-faq/part1 - send usenet/news.answers/jpeg-faq/part2 - - -RELATED SOFTWARE -================ - -Numerous viewing and image manipulation programs now support JPEG. (Quite a -few of them use this library to do so.) The JPEG FAQ described above lists -some of the more popular free and shareware viewers, and tells where to -obtain them on Internet. - -If you are on a Unix machine, we highly recommend Jef Poskanzer's free -PBMPLUS software, which provides many useful operations on PPM-format image -files. In particular, it can convert PPM images to and from a wide range of -other formats, thus making cjpeg/djpeg considerably more useful. The latest -version is distributed by the NetPBM group, and is available from numerous -sites, notably ftp://wuarchive.wustl.edu/graphics/graphics/packages/NetPBM/. -Unfortunately PBMPLUS/NETPBM is not nearly as portable as the IJG software is; -you are likely to have difficulty making it work on any non-Unix machine. - -A different free JPEG implementation, written by the PVRG group at Stanford, -is available from ftp://havefun.stanford.edu/pub/jpeg/. This program -is designed for research and experimentation rather than production use; -it is slower, harder to use, and less portable than the IJG code, but it -is easier to read and modify. Also, the PVRG code supports lossless JPEG, -which we do not. (On the other hand, it doesn't do progressive JPEG.) - - -FILE FORMAT WARS -================ - -Some JPEG programs produce files that are not compatible with our library. -The root of the problem is that the ISO JPEG committee failed to specify a -concrete file format. Some vendors "filled in the blanks" on their own, -creating proprietary formats that no one else could read. (For example, none -of the early commercial JPEG implementations for the Macintosh were able to -exchange compressed files.) - -The file format we have adopted is called JFIF (see REFERENCES). This format -has been agreed to by a number of major commercial JPEG vendors, and it has -become the de facto standard. JFIF is a minimal or "low end" representation. -We recommend the use of TIFF/JPEG (TIFF revision 6.0 as modified by TIFF -Technical Note #2) for "high end" applications that need to record a lot of -additional data about an image. TIFF/JPEG is fairly new and not yet widely -supported, unfortunately. - -The upcoming JPEG Part 3 standard defines a file format called SPIFF. -SPIFF is interoperable with JFIF, in the sense that most JFIF decoders should -be able to read the most common variant of SPIFF. SPIFF has some technical -advantages over JFIF, but its major claim to fame is simply that it is an -official standard rather than an informal one. At this point it is unclear -whether SPIFF will supersede JFIF or whether JFIF will remain the de-facto -standard. IJG intends to support SPIFF once the standard is frozen, but we -have not decided whether it should become our default output format or not. -(In any case, our decoder will remain capable of reading JFIF indefinitely.) - -Various proprietary file formats incorporating JPEG compression also exist. -We have little or no sympathy for the existence of these formats. Indeed, -one of the original reasons for developing this free software was to help -force convergence on common, open format standards for JPEG files. Don't -use a proprietary file format! - - -TO DO -===== - -The major thrust for v7 will probably be improvement of visual quality. -The current method for scaling the quantization tables is known not to be -very good at low Q values. We also intend to investigate block boundary -smoothing, "poor man's variable quantization", and other means of improving -quality-vs-file-size performance without sacrificing compatibility. - -In future versions, we are considering supporting some of the upcoming JPEG -Part 3 extensions --- principally, variable quantization and the SPIFF file -format. - -As always, speeding things up is of great interest. - -Please send bug reports, offers of help, etc. to jpeg-info@uunet.uu.net. diff --git a/common/jpeg/README-turbo.txt b/common/jpeg/README-turbo.txt deleted file mode 100755 index f340fd6c..00000000 --- a/common/jpeg/README-turbo.txt +++ /dev/null @@ -1,229 +0,0 @@ -******************************************************************************* -** Background -******************************************************************************* - -libjpeg-turbo is a high-speed version of libjpeg for x86 and x86-64 processors -which uses SIMD instructions (MMX, SSE2, etc.) to accelerate baseline JPEG -compression and decompression. libjpeg-turbo is generally 2-4x as fast -as the unmodified version of libjpeg v6b, all else being equal. - -libjpeg-turbo was originally based on libjpeg/SIMD by Miyasaka Masaru, but -the TigerVNC and VirtualGL projects made numerous enhancements to the codec, -including improved support for Mac OS X, 64-bit support, support for 32-bit -and big endian pixel formats, accelerated Huffman encoding/decoding, and -various bug fixes. The goal was to produce a fully open source codec that -could replace the partially closed source TurboJPEG/IPP codec used by VirtualGL -and TurboVNC. libjpeg-turbo generally performs in the range of 80-120% of -TurboJPEG/IPP. It is faster in some areas but slower in others. - -It was decided to split libjpeg-turbo into a separate SDK so that other -projects could take advantage of this technology. The libjpeg-turbo shared -libraries can be used as drop-in replacements for libjpeg on most systems. - - -******************************************************************************* -** License -******************************************************************************* - -The TurboJPEG/OSS wrapper, as well as some of the optimizations to the Huffman -encoder (jchuff.c) and decoder (jdhuff.c), were borrowed from VirtualGL, and -thus any distribution of libjpeg-turbo which includes those files must, as a -whole, be subject to the terms of the wxWindows Library Licence, Version 3.1. -A copy of this license can be found in this directory under LICENSE.txt. The -wxWindows Library License is based on the LGPL but includes provisions which -allow the Library to be statically linked into proprietary libraries and -applications without requiring the resulting binaries to be distributed under -the terms of the LGPL. - -The rest of the source code, apart from TurboJPEG/OSS and the Huffman codec -optimizations, falls under a less restrictive, BSD-style license (see README.) -You can choose to distribute libjpeg-turbo, as a whole, under this BSD-style -license by simply removing TurboJPEG/OSS and replacing the optimized jchuff.c -and jdhuff.c with their unoptimized counterparts from the libjpeg v6b source. - - -******************************************************************************* -** Using libjpeg-turbo -******************************************************************************* - -============================= -Replacing libjpeg at Run Time -============================= - -If a Unix application is dynamically linked with libjpeg, then you can replace -libjpeg with libjpeg-turbo at run time by manipulating LD_LIBRARY_PATH. -For instance: - - [Using libjpeg] - > time cjpeg <vgl_5674_0098.ppm >vgl_5674_0098.jpg - real 0m0.392s - user 0m0.074s - sys 0m0.020s - - [Using libjpeg-turbo] - > export LD_LIBRARY_PATH=/opt/libjpeg-turbo/{lib}:$LD_LIBRARY_PATH - > time cjpeg <vgl_5674_0098.ppm >vgl_5674_0098.jpg - real 0m0.109s - user 0m0.029s - sys 0m0.010s - -NOTE: {lib} can be lib, lib32, lib64, or lib/64, depending on the O/S and -architecture. - -System administrators can also replace the libjpeg sym links in /usr/{lib} with -links to the libjpeg dynamic library located in /opt/libjpeg-turbo/{lib}. This -will effectively accelerate every dynamically linked libjpeg application on the -system. - -The libjpeg-turbo SDK for Visual C++ installs jpeg62.dll into -c:\libjpeg-turbo[64]\bin, and the PATH environment variable can be modified -such that this directory is searched before any others that might contain -jpeg62.dll. However, if jpeg62.dll also exists in an application's install -directory, then Windows will load the application's version of it first. Thus, -if an application ships with jpeg62.dll, then back up the application's version -of jpeg62.dll and copy c:\libjpeg-turbo[64]\bin\jpeg62.dll into the -application's install directory to accelerate it. - -The version of jpeg62.dll distributed in the libjpeg-turbo SDK for Visual C++ -requires the Visual C++ 2008 C run time DLL (msvcr90.dll). msvcr90.dll ships -with more recent versions of Windows, but users of older Windows releases can -obtain it from the Visual C++ 2008 Redistributable Package, which is available -as a free download from Microsoft's web site. - -NOTE: Features of libjpeg which require passing a C run time structure, such -as a file handle, from an application to libjpeg will probably not work with -the version of jpeg62.dll distributed in the libjpeg-turbo SDK for Visual C++, -unless the application is also built to use the Visual C++ 2008 C run time DLL. -In particular, this affects jpeg_stdio_dest() and jpeg_stdio_src(). - -Mac applications typically embed their own copies of libjpeg.62.dylib inside -the (hidden) application bundle, so it is not possible to globally replace -libjpeg on OS X systems. If an application uses a shared library version of -libjpeg, then it may be possible to replace the application's version of it. -This would generally involve copying libjpeg.62.dylib from libjpeg-turbo into -the appropriate place in the application bundle and using install_name_tool to -repoint the dylib to the new directory. This requires an advanced knowledge of -OS X and would not survive an upgrade or a re-install of the application. -Thus, it is not recommended for most users. - -======================= -Replacing TurboJPEG/IPP -======================= - -libjpeg-turbo is a drop-in replacement for the TurboJPEG/IPP SDK used by -VirtualGL 2.1.x and TurboVNC 0.6 (and prior.) libjpeg-turbo contains a wrapper -library (TurboJPEG/OSS) that emulates the TurboJPEG API using libjpeg-turbo -instead of the closed source Intel Performance Primitives. You can replace the -TurboJPEG/IPP package on Linux systems with the libjpeg-turbo package in order -to make existing releases of VirtualGL 2.1.x and TurboVNC 0.x use the new codec -at run time. Note that the 64-bit libjpeg-turbo packages contain only 64-bit -binaries, whereas the TurboJPEG/IPP 64-bit packages contained both 64-bit and -32-bit binaries. Thus, to replace a TurboJPEG/IPP 64-bit package, install -both the 64-bit and 32-bit versions of libjpeg-turbo. - -You can also build the VirtualGL 2.1.x and TurboVNC 0.6 source code with -the libjpeg-turbo SDK instead of TurboJPEG/IPP. It should work identically. -libjpeg-turbo also includes static library versions of TurboJPEG/OSS, which -are used to build TurboVNC 1.0 and later. - -======================================== -Using libjpeg-turbo in Your Own Programs -======================================== - -For the most part, libjpeg-turbo should work identically to libjpeg, so in -most cases, an application can be built against libjpeg and then run against -libjpeg-turbo. On Unix systems (including Cygwin), you can build against -libjpeg-turbo instead of libjpeg by setting - - CPATH=/opt/libjpeg-turbo/include - and - LIBRARY_PATH=/opt/libjpeg-turbo/{lib} - -({lib} = lib32 or lib64, depending on whether you are building a 32-bit or a -64-bit application.) - -If using MinGW, then set - - CPATH=/c/libjpeg-turbo-gcc[64]/include - and - LIBRARY_PATH=/c/libjpeg-turbo-gcc[64]/lib - -Building against libjpeg-turbo is useful, for instance, if you want to build an -application that leverages the libjpeg-turbo colorspace extensions (see below.) -On Linux and Solaris systems, you would still need to manipulate -LD_LIBRARY_PATH or create appropriate sym links to use libjpeg-turbo at run -time. On such systems, you can pass -R /opt/libjpeg-turbo/{lib} to the linker -to force the use of libjpeg-turbo at run time rather than libjpeg (also useful -if you want to leverage the colorspace extensions), or you can link against the -libjpeg-turbo static library. - -To force a Linux, Solaris, or MinGW application to link against the static -version of libjpeg-turbo, you can use the following linker options: - - -Wl,-Bstatic -ljpeg -Wl,-Bdynamic - -On OS X, simply add /opt/libjpeg-turbo/lib/libjpeg.a to the linker command -line (this also works on Linux and Solaris.) - -To build Visual C++ applications using libjpeg-turbo, add -c:\libjpeg-turbo[64]\include to the system or user INCLUDE environment -variable and c:\libjpeg-turbo[64]\lib to the system or user LIB environment -variable, and then link against either jpeg.lib (to use jpeg62.dll) or -jpeg-static.lib (to use the static version of libjpeg-turbo.) - -===================== -Colorspace Extensions -===================== - -libjpeg-turbo includes extensions which allow JPEG images to be compressed -directly from (and decompressed directly to) buffers which use BGR, BGRX, -RGBX, XBGR, and XRGB pixel ordering. This is implemented with six new -colorspace constants: - - JCS_EXT_RGB /* red/green/blue */ - JCS_EXT_RGBX /* red/green/blue/x */ - JCS_EXT_BGR /* blue/green/red */ - JCS_EXT_BGRX /* blue/green/red/x */ - JCS_EXT_XBGR /* x/blue/green/red */ - JCS_EXT_XRGB /* x/red/green/blue */ - -Setting cinfo.in_color_space (compression) or cinfo.out_color_space -(decompression) to one of these values will cause libjpeg-turbo to read the -red, green, and blue values from (or write them to) the appropriate position in -the pixel when YUV conversion is performed. - -Your application can check for the existence of these extensions at compile -time with: - - #ifdef JCS_EXTENSIONS - -At run time, attempting to use these extensions with a version of libjpeg -that doesn't support them will result in a "Bogus input colorspace" error. - - -******************************************************************************* -** Performance pitfalls -******************************************************************************* - -=============== -Restart Markers -=============== - -The optimized Huffman decoder in libjpeg-turbo does not handle restart markers -in a way that makes libjpeg happy, so it is necessary to use the slow Huffman -decoder when decompressing a JPEG image that has restart markers. This can -cause the decompression performance to drop by as much as 20%, but the -performance will still be much much greater than that of libjpeg v6b. Many -consumer packages, such as PhotoShop, use restart markers when generating JPEG -images, so images generated by those programs will experience this issue. - -=============================================== -Fast Integer Forward DCT at High Quality Levels -=============================================== - -The algorithm used by the SIMD-accelerated quantization function cannot produce -correct results whenever the fast integer forward DCT is used along with a JPEG -quality of 98-100. Thus, libjpeg-turbo must use the non-SIMD quantization -function in those cases. This causes performance to drop by as much as 40%. -It is therefore strongly advised that you use the slow integer forward DCT -whenever encoding images with a JPEG quality of 98 or higher. diff --git a/common/jpeg/README_TigerVNC.txt b/common/jpeg/README_TigerVNC.txt deleted file mode 100644 index 1fb9a602..00000000 --- a/common/jpeg/README_TigerVNC.txt +++ /dev/null @@ -1,4 +0,0 @@ -This directory includes a copy of libjpeg-turbo (see README-turbo.txt for more -information.) Not all of the files from the original distribution have been -included into the TigerVNC codebase. To obtain the original library, please -visit http://libjpeg-turbo.VirtualGL.org. diff --git a/common/jpeg/acinclude.m4 b/common/jpeg/acinclude.m4 deleted file mode 100644 index cc10a215..00000000 --- a/common/jpeg/acinclude.m4 +++ /dev/null @@ -1,136 +0,0 @@ -# AC_PROG_NASM -# -------------------------- -# Check that NASM exists and determine flags -AC_DEFUN([AC_PROG_NASM],[ - -AC_CHECK_PROGS(NASM, [nasm nasmw]) -test -z "$NASM" && AC_MSG_ERROR([no nasm (Netwide Assembler) found]) - -AC_MSG_CHECKING([for object file format of host system]) -case "$host_os" in - cygwin* | mingw* | pw32* | interix*) - case "$host_cpu" in - x86_64) - objfmt='Win64-COFF' - ;; - *) - objfmt='Win32-COFF' - ;; - esac - ;; - msdosdjgpp* | go32*) - objfmt='COFF' - ;; - os2-emx*) # not tested - objfmt='MSOMF' # obj - ;; - linux*coff* | linux*oldld*) - objfmt='COFF' # ??? - ;; - linux*aout*) - objfmt='a.out' - ;; - linux*) - case "$host_cpu" in - x86_64) - objfmt='ELF64' - ;; - *) - objfmt='ELF' - ;; - esac - ;; - freebsd* | netbsd* | openbsd*) - if echo __ELF__ | $CC -E - | grep __ELF__ > /dev/null; then - objfmt='BSD-a.out' - else - case "$host_cpu" in - x86_64 | amd64) - objfmt='ELF64' - ;; - *) - objfmt='ELF' - ;; - esac - fi - ;; - solaris* | sunos* | sysv* | sco*) - case "$host_cpu" in - x86_64) - objfmt='ELF64' - ;; - *) - objfmt='ELF' - ;; - esac - ;; - darwin* | rhapsody* | nextstep* | openstep* | macos*) - case "$host_cpu" in - x86_64) - objfmt='Mach-O64' - ;; - *) - objfmt='Mach-O' - ;; - esac - ;; - *) - objfmt='ELF ?' - ;; -esac - -AC_MSG_RESULT([$objfmt]) -if test "$objfmt" = 'ELF ?'; then - objfmt='ELF' - AC_MSG_WARN([unexpected host system. assumed that the format is $objfmt.]) -fi - -AC_MSG_CHECKING([for object file format specifier (NAFLAGS) ]) -case "$objfmt" in - MSOMF) NAFLAGS='-fobj -DOBJ32';; - Win32-COFF) NAFLAGS='-fwin32 -DWIN32';; - Win64-COFF) NAFLAGS='-fwin64 -DWIN64 -D__x86_64__';; - COFF) NAFLAGS='-fcoff -DCOFF';; - a.out) NAFLAGS='-faout -DAOUT';; - BSD-a.out) NAFLAGS='-faoutb -DAOUT';; - ELF) NAFLAGS='-felf -DELF';; - ELF64) NAFLAGS='-felf64 -DELF -D__x86_64__';; - RDF) NAFLAGS='-frdf -DRDF';; - Mach-O) NAFLAGS='-fmacho -DMACHO';; - Mach-O64) NAFLAGS='-fmacho64 -DMACHO -D__x86_64__';; -esac -AC_MSG_RESULT([$NAFLAGS]) -AC_SUBST([NAFLAGS]) - -AC_MSG_CHECKING([whether the assembler ($NASM $NAFLAGS) works]) -cat > conftest.asm <<EOF -[%line __oline__ "configure" - section .text - global _main,main -_main: -main: xor eax,eax - ret -]EOF -try_nasm='$NASM $NAFLAGS -o conftest.o conftest.asm' -if AC_TRY_EVAL(try_nasm) && test -s conftest.o; then - AC_MSG_RESULT(yes) -else - echo "configure: failed program was:" >&AC_FD_CC - cat conftest.asm >&AC_FD_CC - rm -rf conftest* - AC_MSG_RESULT(no) - AC_MSG_ERROR([installation or configuration problem: assembler cannot create object files.]) -fi - -AC_MSG_CHECKING([whether the linker accepts assembler output]) -try_nasm='${CC-cc} -o conftest${ac_exeext} $LDFLAGS conftest.o $LIBS 1>&AC_FD_CC' -if AC_TRY_EVAL(try_nasm) && test -s conftest${ac_exeext}; then - rm -rf conftest* - AC_MSG_RESULT(yes) -else - rm -rf conftest* - AC_MSG_RESULT(no) - AC_MSG_ERROR([configuration problem: maybe object file format mismatch.]) -fi - -]) diff --git a/common/jpeg/bmp.c b/common/jpeg/bmp.c deleted file mode 100644 index 3ccc8772..00000000 --- a/common/jpeg/bmp.c +++ /dev/null @@ -1,370 +0,0 @@ -/* Copyright (C)2004 Landmark Graphics Corporation - * Copyright (C)2005 Sun Microsystems, Inc. - * - * This library is free software and may be redistributed and/or modified under - * the terms of the wxWindows Library License, Version 3.1 or (at your option) - * any later version. The full license is in the LICENSE.txt file included - * with this distribution. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * wxWindows Library License for more details. -*/ - -#include <fcntl.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <errno.h> -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#ifdef _WIN32 - #include <io.h> -#else - #include <unistd.h> -#endif -#include "./rrutil.h" -#include "./bmp.h" - -#ifndef BI_BITFIELDS -#define BI_BITFIELDS 3L -#endif -#ifndef BI_RGB -#define BI_RGB 0L -#endif - -#define BMPHDRSIZE 54 -typedef struct _bmphdr -{ - unsigned short bfType; - unsigned int bfSize; - unsigned short bfReserved1, bfReserved2; - unsigned int bfOffBits; - - unsigned int biSize; - int biWidth, biHeight; - unsigned short biPlanes, biBitCount; - unsigned int biCompression, biSizeImage; - int biXPelsPerMeter, biYPelsPerMeter; - unsigned int biClrUsed, biClrImportant; -} bmphdr; - -static const char *__bmperr="No error"; - -static const int ps[BMPPIXELFORMATS]={3, 4, 3, 4, 4, 4}; -static const int roffset[BMPPIXELFORMATS]={0, 0, 2, 2, 3, 1}; -static const int goffset[BMPPIXELFORMATS]={1, 1, 1, 1, 2, 2}; -static const int boffset[BMPPIXELFORMATS]={2, 2, 0, 0, 1, 3}; - -#define _throw(m) {__bmperr=m; retcode=-1; goto finally;} -#define _unix(f) {if((f)==-1) _throw(strerror(errno));} -#define _catch(f) {if((f)==-1) {retcode=-1; goto finally;}} - -#define readme(fd, addr, size) \ - if((bytesread=read(fd, addr, (size)))==-1) _throw(strerror(errno)); \ - if(bytesread!=(size)) _throw("Read error"); - -void pixelconvert(unsigned char *srcbuf, enum BMPPIXELFORMAT srcformat, - int srcpitch, unsigned char *dstbuf, enum BMPPIXELFORMAT dstformat, int dstpitch, - int w, int h, int flip) -{ - unsigned char *srcptr, *srcptr0, *dstptr, *dstptr0; - int i, j; - - srcptr=flip? &srcbuf[srcpitch*(h-1)]:srcbuf; - for(j=0, dstptr=dstbuf; j<h; j++, - srcptr+=flip? -srcpitch:srcpitch, dstptr+=dstpitch) - { - for(i=0, srcptr0=srcptr, dstptr0=dstptr; i<w; i++, - srcptr0+=ps[srcformat], dstptr0+=ps[dstformat]) - { - dstptr0[roffset[dstformat]]=srcptr0[roffset[srcformat]]; - dstptr0[goffset[dstformat]]=srcptr0[goffset[srcformat]]; - dstptr0[boffset[dstformat]]=srcptr0[boffset[srcformat]]; - } - } -} - -int loadppm(int *fd, unsigned char **buf, int *w, int *h, - enum BMPPIXELFORMAT f, int align, int dstbottomup, int ascii) -{ - FILE *fs=NULL; int retcode=0, scalefactor, dstpitch; - unsigned char *tempbuf=NULL; char temps[255], temps2[255]; - int numread=0, totalread=0, pixel[3], i, j; - - if((fs=fdopen(*fd, "r"))==NULL) _throw(strerror(errno)); - - do - { - if(!fgets(temps, 255, fs)) _throw("Read error"); - if(strlen(temps)==0 || temps[0]=='\n') continue; - if(sscanf(temps, "%s", temps2)==1 && temps2[1]=='#') continue; - switch(totalread) - { - case 0: - if((numread=sscanf(temps, "%d %d %d", w, h, &scalefactor))==EOF) - _throw("Read error"); - break; - case 1: - if((numread=sscanf(temps, "%d %d", h, &scalefactor))==EOF) - _throw("Read error"); - break; - case 2: - if((numread=sscanf(temps, "%d", &scalefactor))==EOF) - _throw("Read error"); - break; - } - totalread+=numread; - } while(totalread<3); - if((*w)<1 || (*h)<1 || scalefactor<1) _throw("Corrupt PPM header"); - - dstpitch=(((*w)*ps[f])+(align-1))&(~(align-1)); - if((*buf=(unsigned char *)malloc(dstpitch*(*h)))==NULL) - _throw("Memory allocation error"); - if(ascii) - { - for(j=0; j<*h; j++) - { - for(i=0; i<*w; i++) - { - if(fscanf(fs, "%d%d%d", &pixel[0], &pixel[1], &pixel[2])!=3) - _throw("Read error"); - (*buf)[j*dstpitch+i*ps[f]+roffset[f]]=(unsigned char)(pixel[0]*255/scalefactor); - (*buf)[j*dstpitch+i*ps[f]+goffset[f]]=(unsigned char)(pixel[1]*255/scalefactor); - (*buf)[j*dstpitch+i*ps[f]+boffset[f]]=(unsigned char)(pixel[2]*255/scalefactor); - } - } - } - else - { - if(scalefactor!=255) - _throw("Binary PPMs must have 8-bit components"); - if((tempbuf=(unsigned char *)malloc((*w)*(*h)*3))==NULL) - _throw("Memory allocation error"); - if(fread(tempbuf, (*w)*(*h)*3, 1, fs)!=1) _throw("Read error"); - pixelconvert(tempbuf, BMP_RGB, (*w)*3, *buf, f, dstpitch, *w, *h, dstbottomup); - } - - finally: - if(fs) {fclose(fs); *fd=-1;} - if(tempbuf) free(tempbuf); - return retcode; -} - - -int loadbmp(char *filename, unsigned char **buf, int *w, int *h, - enum BMPPIXELFORMAT f, int align, int dstbottomup) -{ - int fd=-1, bytesread, srcpitch, srcbottomup=1, srcps, dstpitch, - retcode=0; - unsigned char *tempbuf=NULL; - bmphdr bh; int flags=O_RDONLY; - - dstbottomup=dstbottomup? 1:0; - #ifdef _WIN32 - flags|=O_BINARY; - #endif - if(!filename || !buf || !w || !h || f<0 || f>BMPPIXELFORMATS-1 || align<1) - _throw("invalid argument to loadbmp()"); - if((align&(align-1))!=0) - _throw("Alignment must be a power of 2"); - _unix(fd=open(filename, flags)); - - readme(fd, &bh.bfType, sizeof(unsigned short)); - if(!littleendian()) bh.bfType=byteswap16(bh.bfType); - - if(bh.bfType==0x3650) - { - _catch(loadppm(&fd, buf, w, h, f, align, dstbottomup, 0)); - goto finally; - } - if(bh.bfType==0x3350) - { - _catch(loadppm(&fd, buf, w, h, f, align, dstbottomup, 1)); - goto finally; - } - - readme(fd, &bh.bfSize, sizeof(unsigned int)); - readme(fd, &bh.bfReserved1, sizeof(unsigned short)); - readme(fd, &bh.bfReserved2, sizeof(unsigned short)); - readme(fd, &bh.bfOffBits, sizeof(unsigned int)); - readme(fd, &bh.biSize, sizeof(unsigned int)); - readme(fd, &bh.biWidth, sizeof(int)); - readme(fd, &bh.biHeight, sizeof(int)); - readme(fd, &bh.biPlanes, sizeof(unsigned short)); - readme(fd, &bh.biBitCount, sizeof(unsigned short)); - readme(fd, &bh.biCompression, sizeof(unsigned int)); - readme(fd, &bh.biSizeImage, sizeof(unsigned int)); - readme(fd, &bh.biXPelsPerMeter, sizeof(int)); - readme(fd, &bh.biYPelsPerMeter, sizeof(int)); - readme(fd, &bh.biClrUsed, sizeof(unsigned int)); - readme(fd, &bh.biClrImportant, sizeof(unsigned int)); - - if(!littleendian()) - { - bh.bfSize=byteswap(bh.bfSize); - bh.bfOffBits=byteswap(bh.bfOffBits); - bh.biSize=byteswap(bh.biSize); - bh.biWidth=byteswap(bh.biWidth); - bh.biHeight=byteswap(bh.biHeight); - bh.biPlanes=byteswap16(bh.biPlanes); - bh.biBitCount=byteswap16(bh.biBitCount); - bh.biCompression=byteswap(bh.biCompression); - bh.biSizeImage=byteswap(bh.biSizeImage); - bh.biXPelsPerMeter=byteswap(bh.biXPelsPerMeter); - bh.biYPelsPerMeter=byteswap(bh.biYPelsPerMeter); - bh.biClrUsed=byteswap(bh.biClrUsed); - bh.biClrImportant=byteswap(bh.biClrImportant); - } - - if(bh.bfType!=0x4d42 || bh.bfOffBits<BMPHDRSIZE - || bh.biWidth<1 || bh.biHeight==0) - _throw("Corrupt bitmap header"); - if((bh.biBitCount!=24 && bh.biBitCount!=32) || bh.biCompression!=BI_RGB) - _throw("Only uncompessed RGB bitmaps are supported"); - - *w=bh.biWidth; *h=bh.biHeight; srcps=bh.biBitCount/8; - if(*h<0) {*h=-(*h); srcbottomup=0;} - srcpitch=(((*w)*srcps)+3)&(~3); - dstpitch=(((*w)*ps[f])+(align-1))&(~(align-1)); - - if(srcpitch*(*h)+bh.bfOffBits!=bh.bfSize) _throw("Corrupt bitmap header"); - if((tempbuf=(unsigned char *)malloc(srcpitch*(*h)))==NULL - || (*buf=(unsigned char *)malloc(dstpitch*(*h)))==NULL) - _throw("Memory allocation error"); - if(lseek(fd, (long)bh.bfOffBits, SEEK_SET)!=(long)bh.bfOffBits) - _throw(strerror(errno)); - _unix(bytesread=read(fd, tempbuf, srcpitch*(*h))); - if(bytesread!=srcpitch*(*h)) _throw("Read error"); - - pixelconvert(tempbuf, BMP_BGR, srcpitch, *buf, f, dstpitch, *w, *h, - srcbottomup!=dstbottomup); - - finally: - if(tempbuf) free(tempbuf); - if(fd!=-1) close(fd); - return retcode; -} - -#define writeme(fd, addr, size) \ - if((byteswritten=write(fd, addr, (size)))==-1) _throw(strerror(errno)); \ - if(byteswritten!=(size)) _throw("Write error"); - -int saveppm(char *filename, unsigned char *buf, int w, int h, - enum BMPPIXELFORMAT f, int srcpitch, int srcbottomup) -{ - FILE *fs=NULL; int retcode=0; - unsigned char *tempbuf=NULL; - - if((fs=fopen(filename, "wb"))==NULL) _throw(strerror(errno)); - if(fprintf(fs, "P6\n")<1) _throw("Write error"); - if(fprintf(fs, "%d %d\n", w, h)<1) _throw("Write error"); - if(fprintf(fs, "255\n")<1) _throw("Write error"); - - if((tempbuf=(unsigned char *)malloc(w*h*3))==NULL) - _throw("Memory allocation error"); - - pixelconvert(buf, f, srcpitch, tempbuf, BMP_RGB, w*3, w, h, - srcbottomup); - - if((fwrite(tempbuf, w*h*3, 1, fs))!=1) _throw("Write error"); - - finally: - if(tempbuf) free(tempbuf); - if(fs) fclose(fs); - return retcode; -} - -int savebmp(char *filename, unsigned char *buf, int w, int h, - enum BMPPIXELFORMAT f, int srcpitch, int srcbottomup) -{ - int fd=-1, byteswritten, dstpitch, retcode=0; - int flags=O_RDWR|O_CREAT|O_TRUNC; - unsigned char *tempbuf=NULL; char *temp; - bmphdr bh; int mode; - - #ifdef _WIN32 - flags|=O_BINARY; mode=_S_IREAD|_S_IWRITE; - #else - mode=S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH; - #endif - if(!filename || !buf || w<1 || h<1 || f<0 || f>BMPPIXELFORMATS-1 || srcpitch<0) - _throw("bad argument to savebmp()"); - - if(srcpitch==0) srcpitch=w*ps[f]; - - if((temp=strrchr(filename, '.'))!=NULL) - { - if(!stricmp(temp, ".ppm")) - return saveppm(filename, buf, w, h, f, srcpitch, srcbottomup); - } - - _unix(fd=open(filename, flags, mode)); - dstpitch=((w*3)+3)&(~3); - - bh.bfType=0x4d42; - bh.bfSize=BMPHDRSIZE+dstpitch*h; - bh.bfReserved1=0; bh.bfReserved2=0; - bh.bfOffBits=BMPHDRSIZE; - bh.biSize=40; - bh.biWidth=w; bh.biHeight=h; - bh.biPlanes=0; bh.biBitCount=24; - bh.biCompression=BI_RGB; bh.biSizeImage=0; - bh.biXPelsPerMeter=0; bh.biYPelsPerMeter=0; - bh.biClrUsed=0; bh.biClrImportant=0; - - if(!littleendian()) - { - bh.bfType=byteswap16(bh.bfType); - bh.bfSize=byteswap(bh.bfSize); - bh.bfOffBits=byteswap(bh.bfOffBits); - bh.biSize=byteswap(bh.biSize); - bh.biWidth=byteswap(bh.biWidth); - bh.biHeight=byteswap(bh.biHeight); - bh.biPlanes=byteswap16(bh.biPlanes); - bh.biBitCount=byteswap16(bh.biBitCount); - bh.biCompression=byteswap(bh.biCompression); - bh.biSizeImage=byteswap(bh.biSizeImage); - bh.biXPelsPerMeter=byteswap(bh.biXPelsPerMeter); - bh.biYPelsPerMeter=byteswap(bh.biYPelsPerMeter); - bh.biClrUsed=byteswap(bh.biClrUsed); - bh.biClrImportant=byteswap(bh.biClrImportant); - } - - writeme(fd, &bh.bfType, sizeof(unsigned short)); - writeme(fd, &bh.bfSize, sizeof(unsigned int)); - writeme(fd, &bh.bfReserved1, sizeof(unsigned short)); - writeme(fd, &bh.bfReserved2, sizeof(unsigned short)); - writeme(fd, &bh.bfOffBits, sizeof(unsigned int)); - writeme(fd, &bh.biSize, sizeof(unsigned int)); - writeme(fd, &bh.biWidth, sizeof(int)); - writeme(fd, &bh.biHeight, sizeof(int)); - writeme(fd, &bh.biPlanes, sizeof(unsigned short)); - writeme(fd, &bh.biBitCount, sizeof(unsigned short)); - writeme(fd, &bh.biCompression, sizeof(unsigned int)); - writeme(fd, &bh.biSizeImage, sizeof(unsigned int)); - writeme(fd, &bh.biXPelsPerMeter, sizeof(int)); - writeme(fd, &bh.biYPelsPerMeter, sizeof(int)); - writeme(fd, &bh.biClrUsed, sizeof(unsigned int)); - writeme(fd, &bh.biClrImportant, sizeof(unsigned int)); - - if((tempbuf=(unsigned char *)malloc(dstpitch*h))==NULL) - _throw("Memory allocation error"); - - pixelconvert(buf, f, srcpitch, tempbuf, BMP_BGR, dstpitch, w, h, - !srcbottomup); - - if((byteswritten=write(fd, tempbuf, dstpitch*h))!=dstpitch*h) - _throw(strerror(errno)); - - finally: - if(tempbuf) free(tempbuf); - if(fd!=-1) close(fd); - return retcode; -} - -const char *bmpgeterr(void) -{ - return __bmperr; -} diff --git a/common/jpeg/bmp.h b/common/jpeg/bmp.h deleted file mode 100644 index 437d3275..00000000 --- a/common/jpeg/bmp.h +++ /dev/null @@ -1,48 +0,0 @@ -/* Copyright (C)2004 Landmark Graphics Corporation - * Copyright (C)2005 Sun Microsystems, Inc. - * - * This library is free software and may be redistributed and/or modified under - * the terms of the wxWindows Library License, Version 3.1 or (at your option) - * any later version. The full license is in the LICENSE.txt file included - * with this distribution. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * wxWindows Library License for more details. -*/ - -// This provides rudimentary facilities for loading and saving true color -// BMP and PPM files - -#ifndef __BMP_H__ -#define __BMP_H__ - -#define BMPPIXELFORMATS 6 -enum BMPPIXELFORMAT {BMP_RGB=0, BMP_RGBA, BMP_BGR, BMP_BGRA, BMP_ABGR, BMP_ARGB}; - -#ifdef __cplusplus -extern "C" { -#endif - -// This will load a Windows bitmap from a file and return a buffer with the -// specified pixel format, scanline alignment, and orientation. The width and -// height are returned in w and h. - -int loadbmp(char *filename, unsigned char **buf, int *w, int *h, - enum BMPPIXELFORMAT f, int align, int dstbottomup); - -// This will save a buffer with the specified pixel format, pitch, orientation, -// width, and height as a 24-bit Windows bitmap or PPM (the filename determines -// which format to use) - -int savebmp(char *filename, unsigned char *buf, int w, int h, - enum BMPPIXELFORMAT f, int srcpitch, int srcbottomup); - -const char *bmpgeterr(void); - -#ifdef __cplusplus -} -#endif - -#endif diff --git a/common/jpeg/cderror.h b/common/jpeg/cderror.h deleted file mode 100644 index 70435e16..00000000 --- a/common/jpeg/cderror.h +++ /dev/null @@ -1,132 +0,0 @@ -/* - * cderror.h - * - * Copyright (C) 1994-1997, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file defines the error and message codes for the cjpeg/djpeg - * applications. These strings are not needed as part of the JPEG library - * proper. - * Edit this file to add new codes, or to translate the message strings to - * some other language. - */ - -/* - * To define the enum list of message codes, include this file without - * defining macro JMESSAGE. To create a message string table, include it - * again with a suitable JMESSAGE definition (see jerror.c for an example). - */ -#ifndef JMESSAGE -#ifndef CDERROR_H -#define CDERROR_H -/* First time through, define the enum list */ -#define JMAKE_ENUM_LIST -#else -/* Repeated inclusions of this file are no-ops unless JMESSAGE is defined */ -#define JMESSAGE(code,string) -#endif /* CDERROR_H */ -#endif /* JMESSAGE */ - -#ifdef JMAKE_ENUM_LIST - -typedef enum { - -#define JMESSAGE(code,string) code , - -#endif /* JMAKE_ENUM_LIST */ - -JMESSAGE(JMSG_FIRSTADDONCODE=1000, NULL) /* Must be first entry! */ - -#ifdef BMP_SUPPORTED -JMESSAGE(JERR_BMP_BADCMAP, "Unsupported BMP colormap format") -JMESSAGE(JERR_BMP_BADDEPTH, "Only 8- and 24-bit BMP files are supported") -JMESSAGE(JERR_BMP_BADHEADER, "Invalid BMP file: bad header length") -JMESSAGE(JERR_BMP_BADPLANES, "Invalid BMP file: biPlanes not equal to 1") -JMESSAGE(JERR_BMP_COLORSPACE, "BMP output must be grayscale or RGB") -JMESSAGE(JERR_BMP_COMPRESSED, "Sorry, compressed BMPs not yet supported") -JMESSAGE(JERR_BMP_NOT, "Not a BMP file - does not start with BM") -JMESSAGE(JTRC_BMP, "%ux%u 24-bit BMP image") -JMESSAGE(JTRC_BMP_MAPPED, "%ux%u 8-bit colormapped BMP image") -JMESSAGE(JTRC_BMP_OS2, "%ux%u 24-bit OS2 BMP image") -JMESSAGE(JTRC_BMP_OS2_MAPPED, "%ux%u 8-bit colormapped OS2 BMP image") -#endif /* BMP_SUPPORTED */ - -#ifdef GIF_SUPPORTED -JMESSAGE(JERR_GIF_BUG, "GIF output got confused") -JMESSAGE(JERR_GIF_CODESIZE, "Bogus GIF codesize %d") -JMESSAGE(JERR_GIF_COLORSPACE, "GIF output must be grayscale or RGB") -JMESSAGE(JERR_GIF_IMAGENOTFOUND, "Too few images in GIF file") -JMESSAGE(JERR_GIF_NOT, "Not a GIF file") -JMESSAGE(JTRC_GIF, "%ux%ux%d GIF image") -JMESSAGE(JTRC_GIF_BADVERSION, - "Warning: unexpected GIF version number '%c%c%c'") -JMESSAGE(JTRC_GIF_EXTENSION, "Ignoring GIF extension block of type 0x%02x") -JMESSAGE(JTRC_GIF_NONSQUARE, "Caution: nonsquare pixels in input") -JMESSAGE(JWRN_GIF_BADDATA, "Corrupt data in GIF file") -JMESSAGE(JWRN_GIF_CHAR, "Bogus char 0x%02x in GIF file, ignoring") -JMESSAGE(JWRN_GIF_ENDCODE, "Premature end of GIF image") -JMESSAGE(JWRN_GIF_NOMOREDATA, "Ran out of GIF bits") -#endif /* GIF_SUPPORTED */ - -#ifdef PPM_SUPPORTED -JMESSAGE(JERR_PPM_COLORSPACE, "PPM output must be grayscale or RGB") -JMESSAGE(JERR_PPM_NONNUMERIC, "Nonnumeric data in PPM file") -JMESSAGE(JERR_PPM_NOT, "Not a PPM/PGM file") -JMESSAGE(JTRC_PGM, "%ux%u PGM image") -JMESSAGE(JTRC_PGM_TEXT, "%ux%u text PGM image") -JMESSAGE(JTRC_PPM, "%ux%u PPM image") -JMESSAGE(JTRC_PPM_TEXT, "%ux%u text PPM image") -#endif /* PPM_SUPPORTED */ - -#ifdef RLE_SUPPORTED -JMESSAGE(JERR_RLE_BADERROR, "Bogus error code from RLE library") -JMESSAGE(JERR_RLE_COLORSPACE, "RLE output must be grayscale or RGB") -JMESSAGE(JERR_RLE_DIMENSIONS, "Image dimensions (%ux%u) too large for RLE") -JMESSAGE(JERR_RLE_EMPTY, "Empty RLE file") -JMESSAGE(JERR_RLE_EOF, "Premature EOF in RLE header") -JMESSAGE(JERR_RLE_MEM, "Insufficient memory for RLE header") -JMESSAGE(JERR_RLE_NOT, "Not an RLE file") -JMESSAGE(JERR_RLE_TOOMANYCHANNELS, "Cannot handle %d output channels for RLE") -JMESSAGE(JERR_RLE_UNSUPPORTED, "Cannot handle this RLE setup") -JMESSAGE(JTRC_RLE, "%ux%u full-color RLE file") -JMESSAGE(JTRC_RLE_FULLMAP, "%ux%u full-color RLE file with map of length %d") -JMESSAGE(JTRC_RLE_GRAY, "%ux%u grayscale RLE file") -JMESSAGE(JTRC_RLE_MAPGRAY, "%ux%u grayscale RLE file with map of length %d") -JMESSAGE(JTRC_RLE_MAPPED, "%ux%u colormapped RLE file with map of length %d") -#endif /* RLE_SUPPORTED */ - -#ifdef TARGA_SUPPORTED -JMESSAGE(JERR_TGA_BADCMAP, "Unsupported Targa colormap format") -JMESSAGE(JERR_TGA_BADPARMS, "Invalid or unsupported Targa file") -JMESSAGE(JERR_TGA_COLORSPACE, "Targa output must be grayscale or RGB") -JMESSAGE(JTRC_TGA, "%ux%u RGB Targa image") -JMESSAGE(JTRC_TGA_GRAY, "%ux%u grayscale Targa image") -JMESSAGE(JTRC_TGA_MAPPED, "%ux%u colormapped Targa image") -#else -JMESSAGE(JERR_TGA_NOTCOMP, "Targa support was not compiled") -#endif /* TARGA_SUPPORTED */ - -JMESSAGE(JERR_BAD_CMAP_FILE, - "Color map file is invalid or of unsupported format") -JMESSAGE(JERR_TOO_MANY_COLORS, - "Output file format cannot handle %d colormap entries") -JMESSAGE(JERR_UNGETC_FAILED, "ungetc failed") -#ifdef TARGA_SUPPORTED -JMESSAGE(JERR_UNKNOWN_FORMAT, - "Unrecognized input file format --- perhaps you need -targa") -#else -JMESSAGE(JERR_UNKNOWN_FORMAT, "Unrecognized input file format") -#endif -JMESSAGE(JERR_UNSUPPORTED_FORMAT, "Unsupported output file format") - -#ifdef JMAKE_ENUM_LIST - - JMSG_LASTADDONCODE -} ADDON_MESSAGE_CODE; - -#undef JMAKE_ENUM_LIST -#endif /* JMAKE_ENUM_LIST */ - -/* Zap JMESSAGE macro so that future re-inclusions do nothing by default */ -#undef JMESSAGE diff --git a/common/jpeg/cdjpeg.c b/common/jpeg/cdjpeg.c deleted file mode 100644 index b6250ff9..00000000 --- a/common/jpeg/cdjpeg.c +++ /dev/null @@ -1,181 +0,0 @@ -/* - * cdjpeg.c - * - * Copyright (C) 1991-1997, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains common support routines used by the IJG application - * programs (cjpeg, djpeg, jpegtran). - */ - -#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */ -#include <ctype.h> /* to declare isupper(), tolower() */ -#ifdef NEED_SIGNAL_CATCHER -#include <signal.h> /* to declare signal() */ -#endif -#ifdef USE_SETMODE -#include <fcntl.h> /* to declare setmode()'s parameter macros */ -/* If you have setmode() but not <io.h>, just delete this line: */ -#include <io.h> /* to declare setmode() */ -#endif - - -/* - * Signal catcher to ensure that temporary files are removed before aborting. - * NB: for Amiga Manx C this is actually a global routine named _abort(); - * we put "#define signal_catcher _abort" in jconfig.h. Talk about bogus... - */ - -#ifdef NEED_SIGNAL_CATCHER - -static j_common_ptr sig_cinfo; - -void /* must be global for Manx C */ -signal_catcher (int signum) -{ - if (sig_cinfo != NULL) { - if (sig_cinfo->err != NULL) /* turn off trace output */ - sig_cinfo->err->trace_level = 0; - jpeg_destroy(sig_cinfo); /* clean up memory allocation & temp files */ - } - exit(EXIT_FAILURE); -} - - -GLOBAL(void) -enable_signal_catcher (j_common_ptr cinfo) -{ - sig_cinfo = cinfo; -#ifdef SIGINT /* not all systems have SIGINT */ - signal(SIGINT, signal_catcher); -#endif -#ifdef SIGTERM /* not all systems have SIGTERM */ - signal(SIGTERM, signal_catcher); -#endif -} - -#endif - - -/* - * Optional progress monitor: display a percent-done figure on stderr. - */ - -#ifdef PROGRESS_REPORT - -METHODDEF(void) -progress_monitor (j_common_ptr cinfo) -{ - cd_progress_ptr prog = (cd_progress_ptr) cinfo->progress; - int total_passes = prog->pub.total_passes + prog->total_extra_passes; - int percent_done = (int) (prog->pub.pass_counter*100L/prog->pub.pass_limit); - - if (percent_done != prog->percent_done) { - prog->percent_done = percent_done; - if (total_passes > 1) { - fprintf(stderr, "\rPass %d/%d: %3d%% ", - prog->pub.completed_passes + prog->completed_extra_passes + 1, - total_passes, percent_done); - } else { - fprintf(stderr, "\r %3d%% ", percent_done); - } - fflush(stderr); - } -} - - -GLOBAL(void) -start_progress_monitor (j_common_ptr cinfo, cd_progress_ptr progress) -{ - /* Enable progress display, unless trace output is on */ - if (cinfo->err->trace_level == 0) { - progress->pub.progress_monitor = progress_monitor; - progress->completed_extra_passes = 0; - progress->total_extra_passes = 0; - progress->percent_done = -1; - cinfo->progress = &progress->pub; - } -} - - -GLOBAL(void) -end_progress_monitor (j_common_ptr cinfo) -{ - /* Clear away progress display */ - if (cinfo->err->trace_level == 0) { - fprintf(stderr, "\r \r"); - fflush(stderr); - } -} - -#endif - - -/* - * Case-insensitive matching of possibly-abbreviated keyword switches. - * keyword is the constant keyword (must be lower case already), - * minchars is length of minimum legal abbreviation. - */ - -GLOBAL(boolean) -keymatch (char * arg, const char * keyword, int minchars) -{ - register int ca, ck; - register int nmatched = 0; - - while ((ca = *arg++) != '\0') { - if ((ck = *keyword++) == '\0') - return FALSE; /* arg longer than keyword, no good */ - if (isupper(ca)) /* force arg to lcase (assume ck is already) */ - ca = tolower(ca); - if (ca != ck) - return FALSE; /* no good */ - nmatched++; /* count matched characters */ - } - /* reached end of argument; fail if it's too short for unique abbrev */ - if (nmatched < minchars) - return FALSE; - return TRUE; /* A-OK */ -} - - -/* - * Routines to establish binary I/O mode for stdin and stdout. - * Non-Unix systems often require some hacking to get out of text mode. - */ - -GLOBAL(FILE *) -read_stdin (void) -{ - FILE * input_file = stdin; - -#ifdef USE_SETMODE /* need to hack file mode? */ - setmode(fileno(stdin), O_BINARY); -#endif -#ifdef USE_FDOPEN /* need to re-open in binary mode? */ - if ((input_file = fdopen(fileno(stdin), READ_BINARY)) == NULL) { - fprintf(stderr, "Cannot reopen stdin\n"); - exit(EXIT_FAILURE); - } -#endif - return input_file; -} - - -GLOBAL(FILE *) -write_stdout (void) -{ - FILE * output_file = stdout; - -#ifdef USE_SETMODE /* need to hack file mode? */ - setmode(fileno(stdout), O_BINARY); -#endif -#ifdef USE_FDOPEN /* need to re-open in binary mode? */ - if ((output_file = fdopen(fileno(stdout), WRITE_BINARY)) == NULL) { - fprintf(stderr, "Cannot reopen stdout\n"); - exit(EXIT_FAILURE); - } -#endif - return output_file; -} diff --git a/common/jpeg/cdjpeg.h b/common/jpeg/cdjpeg.h deleted file mode 100644 index 2b387b6e..00000000 --- a/common/jpeg/cdjpeg.h +++ /dev/null @@ -1,184 +0,0 @@ -/* - * cdjpeg.h - * - * Copyright (C) 1994-1997, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains common declarations for the sample applications - * cjpeg and djpeg. It is NOT used by the core JPEG library. - */ - -#define JPEG_CJPEG_DJPEG /* define proper options in jconfig.h */ -#define JPEG_INTERNAL_OPTIONS /* cjpeg.c,djpeg.c need to see xxx_SUPPORTED */ -#include "jinclude.h" -#include "jpeglib.h" -#include "jerror.h" /* get library error codes too */ -#include "cderror.h" /* get application-specific error codes */ - - -/* - * Object interface for cjpeg's source file decoding modules - */ - -typedef struct cjpeg_source_struct * cjpeg_source_ptr; - -struct cjpeg_source_struct { - JMETHOD(void, start_input, (j_compress_ptr cinfo, - cjpeg_source_ptr sinfo)); - JMETHOD(JDIMENSION, get_pixel_rows, (j_compress_ptr cinfo, - cjpeg_source_ptr sinfo)); - JMETHOD(void, finish_input, (j_compress_ptr cinfo, - cjpeg_source_ptr sinfo)); - - FILE *input_file; - - JSAMPARRAY buffer; - JDIMENSION buffer_height; -}; - - -/* - * Object interface for djpeg's output file encoding modules - */ - -typedef struct djpeg_dest_struct * djpeg_dest_ptr; - -struct djpeg_dest_struct { - /* start_output is called after jpeg_start_decompress finishes. - * The color map will be ready at this time, if one is needed. - */ - JMETHOD(void, start_output, (j_decompress_ptr cinfo, - djpeg_dest_ptr dinfo)); - /* Emit the specified number of pixel rows from the buffer. */ - JMETHOD(void, put_pixel_rows, (j_decompress_ptr cinfo, - djpeg_dest_ptr dinfo, - JDIMENSION rows_supplied)); - /* Finish up at the end of the image. */ - JMETHOD(void, finish_output, (j_decompress_ptr cinfo, - djpeg_dest_ptr dinfo)); - - /* Target file spec; filled in by djpeg.c after object is created. */ - FILE * output_file; - - /* Output pixel-row buffer. Created by module init or start_output. - * Width is cinfo->output_width * cinfo->output_components; - * height is buffer_height. - */ - JSAMPARRAY buffer; - JDIMENSION buffer_height; -}; - - -/* - * cjpeg/djpeg may need to perform extra passes to convert to or from - * the source/destination file format. The JPEG library does not know - * about these passes, but we'd like them to be counted by the progress - * monitor. We use an expanded progress monitor object to hold the - * additional pass count. - */ - -struct cdjpeg_progress_mgr { - struct jpeg_progress_mgr pub; /* fields known to JPEG library */ - int completed_extra_passes; /* extra passes completed */ - int total_extra_passes; /* total extra */ - /* last printed percentage stored here to avoid multiple printouts */ - int percent_done; -}; - -typedef struct cdjpeg_progress_mgr * cd_progress_ptr; - - -/* Short forms of external names for systems with brain-damaged linkers. */ - -#ifdef NEED_SHORT_EXTERNAL_NAMES -#define jinit_read_bmp jIRdBMP -#define jinit_write_bmp jIWrBMP -#define jinit_read_gif jIRdGIF -#define jinit_write_gif jIWrGIF -#define jinit_read_ppm jIRdPPM -#define jinit_write_ppm jIWrPPM -#define jinit_read_rle jIRdRLE -#define jinit_write_rle jIWrRLE -#define jinit_read_targa jIRdTarga -#define jinit_write_targa jIWrTarga -#define read_quant_tables RdQTables -#define read_scan_script RdScnScript -#define set_quant_slots SetQSlots -#define set_sample_factors SetSFacts -#define read_color_map RdCMap -#define enable_signal_catcher EnSigCatcher -#define start_progress_monitor StProgMon -#define end_progress_monitor EnProgMon -#define read_stdin RdStdin -#define write_stdout WrStdout -#endif /* NEED_SHORT_EXTERNAL_NAMES */ - -/* Module selection routines for I/O modules. */ - -EXTERN(cjpeg_source_ptr) jinit_read_bmp JPP((j_compress_ptr cinfo)); -EXTERN(djpeg_dest_ptr) jinit_write_bmp JPP((j_decompress_ptr cinfo, - boolean is_os2)); -EXTERN(cjpeg_source_ptr) jinit_read_gif JPP((j_compress_ptr cinfo)); -EXTERN(djpeg_dest_ptr) jinit_write_gif JPP((j_decompress_ptr cinfo)); -EXTERN(cjpeg_source_ptr) jinit_read_ppm JPP((j_compress_ptr cinfo)); -EXTERN(djpeg_dest_ptr) jinit_write_ppm JPP((j_decompress_ptr cinfo)); -EXTERN(cjpeg_source_ptr) jinit_read_rle JPP((j_compress_ptr cinfo)); -EXTERN(djpeg_dest_ptr) jinit_write_rle JPP((j_decompress_ptr cinfo)); -EXTERN(cjpeg_source_ptr) jinit_read_targa JPP((j_compress_ptr cinfo)); -EXTERN(djpeg_dest_ptr) jinit_write_targa JPP((j_decompress_ptr cinfo)); - -/* cjpeg support routines (in rdswitch.c) */ - -EXTERN(boolean) read_quant_tables JPP((j_compress_ptr cinfo, char * filename, - int scale_factor, boolean force_baseline)); -EXTERN(boolean) read_scan_script JPP((j_compress_ptr cinfo, char * filename)); -EXTERN(boolean) set_quant_slots JPP((j_compress_ptr cinfo, char *arg)); -EXTERN(boolean) set_sample_factors JPP((j_compress_ptr cinfo, char *arg)); - -/* djpeg support routines (in rdcolmap.c) */ - -EXTERN(void) read_color_map JPP((j_decompress_ptr cinfo, FILE * infile)); - -/* common support routines (in cdjpeg.c) */ - -EXTERN(void) enable_signal_catcher JPP((j_common_ptr cinfo)); -EXTERN(void) start_progress_monitor JPP((j_common_ptr cinfo, - cd_progress_ptr progress)); -EXTERN(void) end_progress_monitor JPP((j_common_ptr cinfo)); -EXTERN(boolean) keymatch JPP((char * arg, const char * keyword, int minchars)); -EXTERN(FILE *) read_stdin JPP((void)); -EXTERN(FILE *) write_stdout JPP((void)); - -/* miscellaneous useful macros */ - -#ifdef DONT_USE_B_MODE /* define mode parameters for fopen() */ -#define READ_BINARY "r" -#define WRITE_BINARY "w" -#else -#ifdef VMS /* VMS is very nonstandard */ -#define READ_BINARY "rb", "ctx=stm" -#define WRITE_BINARY "wb", "ctx=stm" -#else /* standard ANSI-compliant case */ -#define READ_BINARY "rb" -#define WRITE_BINARY "wb" -#endif -#endif - -#ifndef EXIT_FAILURE /* define exit() codes if not provided */ -#define EXIT_FAILURE 1 -#endif -#ifndef EXIT_SUCCESS -#ifdef VMS -#define EXIT_SUCCESS 1 /* VMS is very nonstandard */ -#else -#define EXIT_SUCCESS 0 -#endif -#endif -#ifndef EXIT_WARNING -#ifdef VMS -#define EXIT_WARNING 1 /* VMS is very nonstandard */ -#else -#define EXIT_WARNING 2 -#endif -#endif diff --git a/common/jpeg/cjpeg.c b/common/jpeg/cjpeg.c deleted file mode 100644 index f2a929f0..00000000 --- a/common/jpeg/cjpeg.c +++ /dev/null @@ -1,606 +0,0 @@ -/* - * cjpeg.c - * - * Copyright (C) 1991-1998, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains a command-line user interface for the JPEG compressor. - * It should work on any system with Unix- or MS-DOS-style command lines. - * - * Two different command line styles are permitted, depending on the - * compile-time switch TWO_FILE_COMMANDLINE: - * cjpeg [options] inputfile outputfile - * cjpeg [options] [inputfile] - * In the second style, output is always to standard output, which you'd - * normally redirect to a file or pipe to some other program. Input is - * either from a named file or from standard input (typically redirected). - * The second style is convenient on Unix but is unhelpful on systems that - * don't support pipes. Also, you MUST use the first style if your system - * doesn't do binary I/O to stdin/stdout. - * To simplify script writing, the "-outfile" switch is provided. The syntax - * cjpeg [options] -outfile outputfile inputfile - * works regardless of which command line style is used. - */ - -#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */ -#include "jversion.h" /* for version message */ - -#ifdef USE_CCOMMAND /* command-line reader for Macintosh */ -#ifdef __MWERKS__ -#include <SIOUX.h> /* Metrowerks needs this */ -#include <console.h> /* ... and this */ -#endif -#ifdef THINK_C -#include <console.h> /* Think declares it here */ -#endif -#endif - - -/* Create the add-on message string table. */ - -#define JMESSAGE(code,string) string , - -static const char * const cdjpeg_message_table[] = { -#include "cderror.h" - NULL -}; - - -/* - * This routine determines what format the input file is, - * and selects the appropriate input-reading module. - * - * To determine which family of input formats the file belongs to, - * we may look only at the first byte of the file, since C does not - * guarantee that more than one character can be pushed back with ungetc. - * Looking at additional bytes would require one of these approaches: - * 1) assume we can fseek() the input file (fails for piped input); - * 2) assume we can push back more than one character (works in - * some C implementations, but unportable); - * 3) provide our own buffering (breaks input readers that want to use - * stdio directly, such as the RLE library); - * or 4) don't put back the data, and modify the input_init methods to assume - * they start reading after the start of file (also breaks RLE library). - * #1 is attractive for MS-DOS but is untenable on Unix. - * - * The most portable solution for file types that can't be identified by their - * first byte is to make the user tell us what they are. This is also the - * only approach for "raw" file types that contain only arbitrary values. - * We presently apply this method for Targa files. Most of the time Targa - * files start with 0x00, so we recognize that case. Potentially, however, - * a Targa file could start with any byte value (byte 0 is the length of the - * seldom-used ID field), so we provide a switch to force Targa input mode. - */ - -static boolean is_targa; /* records user -targa switch */ - - -LOCAL(cjpeg_source_ptr) -select_file_type (j_compress_ptr cinfo, FILE * infile) -{ - int c; - - if (is_targa) { -#ifdef TARGA_SUPPORTED - return jinit_read_targa(cinfo); -#else - ERREXIT(cinfo, JERR_TGA_NOTCOMP); -#endif - } - - if ((c = getc(infile)) == EOF) - ERREXIT(cinfo, JERR_INPUT_EMPTY); - if (ungetc(c, infile) == EOF) - ERREXIT(cinfo, JERR_UNGETC_FAILED); - - switch (c) { -#ifdef BMP_SUPPORTED - case 'B': - return jinit_read_bmp(cinfo); -#endif -#ifdef GIF_SUPPORTED - case 'G': - return jinit_read_gif(cinfo); -#endif -#ifdef PPM_SUPPORTED - case 'P': - return jinit_read_ppm(cinfo); -#endif -#ifdef RLE_SUPPORTED - case 'R': - return jinit_read_rle(cinfo); -#endif -#ifdef TARGA_SUPPORTED - case 0x00: - return jinit_read_targa(cinfo); -#endif - default: - ERREXIT(cinfo, JERR_UNKNOWN_FORMAT); - break; - } - - return NULL; /* suppress compiler warnings */ -} - - -/* - * Argument-parsing code. - * The switch parser is designed to be useful with DOS-style command line - * syntax, ie, intermixed switches and file names, where only the switches - * to the left of a given file name affect processing of that file. - * The main program in this file doesn't actually use this capability... - */ - - -static const char * progname; /* program name for error messages */ -static char * outfilename; /* for -outfile switch */ - - -LOCAL(void) -usage (void) -/* complain about bad command line */ -{ - fprintf(stderr, "usage: %s [switches] ", progname); -#ifdef TWO_FILE_COMMANDLINE - fprintf(stderr, "inputfile outputfile\n"); -#else - fprintf(stderr, "[inputfile]\n"); -#endif - - fprintf(stderr, "Switches (names may be abbreviated):\n"); - fprintf(stderr, " -quality N Compression quality (0..100; 5-95 is useful range)\n"); - fprintf(stderr, " -grayscale Create monochrome JPEG file\n"); -#ifdef ENTROPY_OPT_SUPPORTED - fprintf(stderr, " -optimize Optimize Huffman table (smaller file, but slow compression)\n"); -#endif -#ifdef C_PROGRESSIVE_SUPPORTED - fprintf(stderr, " -progressive Create progressive JPEG file\n"); -#endif -#ifdef TARGA_SUPPORTED - fprintf(stderr, " -targa Input file is Targa format (usually not needed)\n"); -#endif - fprintf(stderr, "Switches for advanced users:\n"); -#ifdef DCT_ISLOW_SUPPORTED - fprintf(stderr, " -dct int Use integer DCT method%s\n", - (JDCT_DEFAULT == JDCT_ISLOW ? " (default)" : "")); -#endif -#ifdef DCT_IFAST_SUPPORTED - fprintf(stderr, " -dct fast Use fast integer DCT (less accurate)%s\n", - (JDCT_DEFAULT == JDCT_IFAST ? " (default)" : "")); -#endif -#ifdef DCT_FLOAT_SUPPORTED - fprintf(stderr, " -dct float Use floating-point DCT method%s\n", - (JDCT_DEFAULT == JDCT_FLOAT ? " (default)" : "")); -#endif - fprintf(stderr, " -restart N Set restart interval in rows, or in blocks with B\n"); -#ifdef INPUT_SMOOTHING_SUPPORTED - fprintf(stderr, " -smooth N Smooth dithered input (N=1..100 is strength)\n"); -#endif - fprintf(stderr, " -maxmemory N Maximum memory to use (in kbytes)\n"); - fprintf(stderr, " -outfile name Specify name for output file\n"); - fprintf(stderr, " -verbose or -debug Emit debug output\n"); - fprintf(stderr, "Switches for wizards:\n"); -#ifdef C_ARITH_CODING_SUPPORTED - fprintf(stderr, " -arithmetic Use arithmetic coding\n"); -#endif - fprintf(stderr, " -baseline Force baseline quantization tables\n"); - fprintf(stderr, " -qtables file Use quantization tables given in file\n"); - fprintf(stderr, " -qslots N[,...] Set component quantization tables\n"); - fprintf(stderr, " -sample HxV[,...] Set component sampling factors\n"); -#ifdef C_MULTISCAN_FILES_SUPPORTED - fprintf(stderr, " -scans file Create multi-scan JPEG per script file\n"); -#endif - exit(EXIT_FAILURE); -} - - -LOCAL(int) -parse_switches (j_compress_ptr cinfo, int argc, char **argv, - int last_file_arg_seen, boolean for_real) -/* Parse optional switches. - * Returns argv[] index of first file-name argument (== argc if none). - * Any file names with indexes <= last_file_arg_seen are ignored; - * they have presumably been processed in a previous iteration. - * (Pass 0 for last_file_arg_seen on the first or only iteration.) - * for_real is FALSE on the first (dummy) pass; we may skip any expensive - * processing. - */ -{ - int argn; - char * arg; - int quality; /* -quality parameter */ - int q_scale_factor; /* scaling percentage for -qtables */ - boolean force_baseline; - boolean simple_progressive; - char * qtablefile = NULL; /* saves -qtables filename if any */ - char * qslotsarg = NULL; /* saves -qslots parm if any */ - char * samplearg = NULL; /* saves -sample parm if any */ - char * scansarg = NULL; /* saves -scans parm if any */ - - /* Set up default JPEG parameters. */ - /* Note that default -quality level need not, and does not, - * match the default scaling for an explicit -qtables argument. - */ - quality = 75; /* default -quality value */ - q_scale_factor = 100; /* default to no scaling for -qtables */ - force_baseline = FALSE; /* by default, allow 16-bit quantizers */ - simple_progressive = FALSE; - is_targa = FALSE; - outfilename = NULL; - cinfo->err->trace_level = 0; - - /* Scan command line options, adjust parameters */ - - for (argn = 1; argn < argc; argn++) { - arg = argv[argn]; - if (*arg != '-') { - /* Not a switch, must be a file name argument */ - if (argn <= last_file_arg_seen) { - outfilename = NULL; /* -outfile applies to just one input file */ - continue; /* ignore this name if previously processed */ - } - break; /* else done parsing switches */ - } - arg++; /* advance past switch marker character */ - - if (keymatch(arg, "arithmetic", 1)) { - /* Use arithmetic coding. */ -#ifdef C_ARITH_CODING_SUPPORTED - cinfo->arith_code = TRUE; -#else - fprintf(stderr, "%s: sorry, arithmetic coding not supported\n", - progname); - exit(EXIT_FAILURE); -#endif - - } else if (keymatch(arg, "baseline", 1)) { - /* Force baseline-compatible output (8-bit quantizer values). */ - force_baseline = TRUE; - - } else if (keymatch(arg, "dct", 2)) { - /* Select DCT algorithm. */ - if (++argn >= argc) /* advance to next argument */ - usage(); - if (keymatch(argv[argn], "int", 1)) { - cinfo->dct_method = JDCT_ISLOW; - } else if (keymatch(argv[argn], "fast", 2)) { - cinfo->dct_method = JDCT_IFAST; - } else if (keymatch(argv[argn], "float", 2)) { - cinfo->dct_method = JDCT_FLOAT; - } else - usage(); - - } else if (keymatch(arg, "debug", 1) || keymatch(arg, "verbose", 1)) { - /* Enable debug printouts. */ - /* On first -d, print version identification */ - static boolean printed_version = FALSE; - - if (! printed_version) { - fprintf(stderr, "Independent JPEG Group's CJPEG, version %s\n%s\n", - JVERSION, JCOPYRIGHT); - printed_version = TRUE; - } - cinfo->err->trace_level++; - - } else if (keymatch(arg, "grayscale", 2) || keymatch(arg, "greyscale",2)) { - /* Force a monochrome JPEG file to be generated. */ - jpeg_set_colorspace(cinfo, JCS_GRAYSCALE); - - } else if (keymatch(arg, "maxmemory", 3)) { - /* Maximum memory in Kb (or Mb with 'm'). */ - long lval; - char ch = 'x'; - - if (++argn >= argc) /* advance to next argument */ - usage(); - if (sscanf(argv[argn], "%ld%c", &lval, &ch) < 1) - usage(); - if (ch == 'm' || ch == 'M') - lval *= 1000L; - cinfo->mem->max_memory_to_use = lval * 1000L; - - } else if (keymatch(arg, "optimize", 1) || keymatch(arg, "optimise", 1)) { - /* Enable entropy parm optimization. */ -#ifdef ENTROPY_OPT_SUPPORTED - cinfo->optimize_coding = TRUE; -#else - fprintf(stderr, "%s: sorry, entropy optimization was not compiled\n", - progname); - exit(EXIT_FAILURE); -#endif - - } else if (keymatch(arg, "outfile", 4)) { - /* Set output file name. */ - if (++argn >= argc) /* advance to next argument */ - usage(); - outfilename = argv[argn]; /* save it away for later use */ - - } else if (keymatch(arg, "progressive", 1)) { - /* Select simple progressive mode. */ -#ifdef C_PROGRESSIVE_SUPPORTED - simple_progressive = TRUE; - /* We must postpone execution until num_components is known. */ -#else - fprintf(stderr, "%s: sorry, progressive output was not compiled\n", - progname); - exit(EXIT_FAILURE); -#endif - - } else if (keymatch(arg, "quality", 1)) { - /* Quality factor (quantization table scaling factor). */ - if (++argn >= argc) /* advance to next argument */ - usage(); - if (sscanf(argv[argn], "%d", &quality) != 1) - usage(); - /* Change scale factor in case -qtables is present. */ - q_scale_factor = jpeg_quality_scaling(quality); - - } else if (keymatch(arg, "qslots", 2)) { - /* Quantization table slot numbers. */ - if (++argn >= argc) /* advance to next argument */ - usage(); - qslotsarg = argv[argn]; - /* Must delay setting qslots until after we have processed any - * colorspace-determining switches, since jpeg_set_colorspace sets - * default quant table numbers. - */ - - } else if (keymatch(arg, "qtables", 2)) { - /* Quantization tables fetched from file. */ - if (++argn >= argc) /* advance to next argument */ - usage(); - qtablefile = argv[argn]; - /* We postpone actually reading the file in case -quality comes later. */ - - } else if (keymatch(arg, "restart", 1)) { - /* Restart interval in MCU rows (or in MCUs with 'b'). */ - long lval; - char ch = 'x'; - - if (++argn >= argc) /* advance to next argument */ - usage(); - if (sscanf(argv[argn], "%ld%c", &lval, &ch) < 1) - usage(); - if (lval < 0 || lval > 65535L) - usage(); - if (ch == 'b' || ch == 'B') { - cinfo->restart_interval = (unsigned int) lval; - cinfo->restart_in_rows = 0; /* else prior '-restart n' overrides me */ - } else { - cinfo->restart_in_rows = (int) lval; - /* restart_interval will be computed during startup */ - } - - } else if (keymatch(arg, "sample", 2)) { - /* Set sampling factors. */ - if (++argn >= argc) /* advance to next argument */ - usage(); - samplearg = argv[argn]; - /* Must delay setting sample factors until after we have processed any - * colorspace-determining switches, since jpeg_set_colorspace sets - * default sampling factors. - */ - - } else if (keymatch(arg, "scans", 2)) { - /* Set scan script. */ -#ifdef C_MULTISCAN_FILES_SUPPORTED - if (++argn >= argc) /* advance to next argument */ - usage(); - scansarg = argv[argn]; - /* We must postpone reading the file in case -progressive appears. */ -#else - fprintf(stderr, "%s: sorry, multi-scan output was not compiled\n", - progname); - exit(EXIT_FAILURE); -#endif - - } else if (keymatch(arg, "smooth", 2)) { - /* Set input smoothing factor. */ - int val; - - if (++argn >= argc) /* advance to next argument */ - usage(); - if (sscanf(argv[argn], "%d", &val) != 1) - usage(); - if (val < 0 || val > 100) - usage(); - cinfo->smoothing_factor = val; - - } else if (keymatch(arg, "targa", 1)) { - /* Input file is Targa format. */ - is_targa = TRUE; - - } else { - usage(); /* bogus switch */ - } - } - - /* Post-switch-scanning cleanup */ - - if (for_real) { - - /* Set quantization tables for selected quality. */ - /* Some or all may be overridden if -qtables is present. */ - jpeg_set_quality(cinfo, quality, force_baseline); - - if (qtablefile != NULL) /* process -qtables if it was present */ - if (! read_quant_tables(cinfo, qtablefile, - q_scale_factor, force_baseline)) - usage(); - - if (qslotsarg != NULL) /* process -qslots if it was present */ - if (! set_quant_slots(cinfo, qslotsarg)) - usage(); - - if (samplearg != NULL) /* process -sample if it was present */ - if (! set_sample_factors(cinfo, samplearg)) - usage(); - -#ifdef C_PROGRESSIVE_SUPPORTED - if (simple_progressive) /* process -progressive; -scans can override */ - jpeg_simple_progression(cinfo); -#endif - -#ifdef C_MULTISCAN_FILES_SUPPORTED - if (scansarg != NULL) /* process -scans if it was present */ - if (! read_scan_script(cinfo, scansarg)) - usage(); -#endif - } - - return argn; /* return index of next arg (file name) */ -} - - -/* - * The main program. - */ - -int -main (int argc, char **argv) -{ - struct jpeg_compress_struct cinfo; - struct jpeg_error_mgr jerr; -#ifdef PROGRESS_REPORT - struct cdjpeg_progress_mgr progress; -#endif - int file_index; - cjpeg_source_ptr src_mgr; - FILE * input_file; - FILE * output_file; - JDIMENSION num_scanlines; - - /* On Mac, fetch a command line. */ -#ifdef USE_CCOMMAND - argc = ccommand(&argv); -#endif - - progname = argv[0]; - if (progname == NULL || progname[0] == 0) - progname = "cjpeg"; /* in case C library doesn't provide it */ - - /* Initialize the JPEG compression object with default error handling. */ - cinfo.err = jpeg_std_error(&jerr); - jpeg_create_compress(&cinfo); - /* Add some application-specific error messages (from cderror.h) */ - jerr.addon_message_table = cdjpeg_message_table; - jerr.first_addon_message = JMSG_FIRSTADDONCODE; - jerr.last_addon_message = JMSG_LASTADDONCODE; - - /* Now safe to enable signal catcher. */ -#ifdef NEED_SIGNAL_CATCHER - enable_signal_catcher((j_common_ptr) &cinfo); -#endif - - /* Initialize JPEG parameters. - * Much of this may be overridden later. - * In particular, we don't yet know the input file's color space, - * but we need to provide some value for jpeg_set_defaults() to work. - */ - - cinfo.in_color_space = JCS_RGB; /* arbitrary guess */ - jpeg_set_defaults(&cinfo); - - /* Scan command line to find file names. - * It is convenient to use just one switch-parsing routine, but the switch - * values read here are ignored; we will rescan the switches after opening - * the input file. - */ - - file_index = parse_switches(&cinfo, argc, argv, 0, FALSE); - -#ifdef TWO_FILE_COMMANDLINE - /* Must have either -outfile switch or explicit output file name */ - if (outfilename == NULL) { - if (file_index != argc-2) { - fprintf(stderr, "%s: must name one input and one output file\n", - progname); - usage(); - } - outfilename = argv[file_index+1]; - } else { - if (file_index != argc-1) { - fprintf(stderr, "%s: must name one input and one output file\n", - progname); - usage(); - } - } -#else - /* Unix style: expect zero or one file name */ - if (file_index < argc-1) { - fprintf(stderr, "%s: only one input file\n", progname); - usage(); - } -#endif /* TWO_FILE_COMMANDLINE */ - - /* Open the input file. */ - if (file_index < argc) { - if ((input_file = fopen(argv[file_index], READ_BINARY)) == NULL) { - fprintf(stderr, "%s: can't open %s\n", progname, argv[file_index]); - exit(EXIT_FAILURE); - } - } else { - /* default input file is stdin */ - input_file = read_stdin(); - } - - /* Open the output file. */ - if (outfilename != NULL) { - if ((output_file = fopen(outfilename, WRITE_BINARY)) == NULL) { - fprintf(stderr, "%s: can't open %s\n", progname, outfilename); - exit(EXIT_FAILURE); - } - } else { - /* default output file is stdout */ - output_file = write_stdout(); - } - -#ifdef PROGRESS_REPORT - start_progress_monitor((j_common_ptr) &cinfo, &progress); -#endif - - /* Figure out the input file format, and set up to read it. */ - src_mgr = select_file_type(&cinfo, input_file); - src_mgr->input_file = input_file; - - /* Read the input file header to obtain file size & colorspace. */ - (*src_mgr->start_input) (&cinfo, src_mgr); - - /* Now that we know input colorspace, fix colorspace-dependent defaults */ - jpeg_default_colorspace(&cinfo); - - /* Adjust default compression parameters by re-parsing the options */ - file_index = parse_switches(&cinfo, argc, argv, 0, TRUE); - - /* Specify data destination for compression */ - jpeg_stdio_dest(&cinfo, output_file); - - /* Start compressor */ - jpeg_start_compress(&cinfo, TRUE); - - /* Process data */ - while (cinfo.next_scanline < cinfo.image_height) { - num_scanlines = (*src_mgr->get_pixel_rows) (&cinfo, src_mgr); - (void) jpeg_write_scanlines(&cinfo, src_mgr->buffer, num_scanlines); - } - - /* Finish compression and release memory */ - (*src_mgr->finish_input) (&cinfo, src_mgr); - jpeg_finish_compress(&cinfo); - jpeg_destroy_compress(&cinfo); - - /* Close files, if we opened them */ - if (input_file != stdin) - fclose(input_file); - if (output_file != stdout) - fclose(output_file); - -#ifdef PROGRESS_REPORT - end_progress_monitor((j_common_ptr) &cinfo); -#endif - - /* All done. */ - exit(jerr.num_warnings ? EXIT_WARNING : EXIT_SUCCESS); - return 0; /* suppress no-return-value warnings */ -} diff --git a/common/jpeg/configure.ac b/common/jpeg/configure.ac deleted file mode 100644 index 050cebda..00000000 --- a/common/jpeg/configure.ac +++ /dev/null @@ -1,151 +0,0 @@ -# -*- Autoconf -*- -# Process this file with autoconf to produce a configure script. - -AC_PREREQ([2.56]) -AC_INIT([libjpeg-turbo], [1.0.2]) - -AM_INIT_AUTOMAKE([-Wall foreign dist-bzip2]) - -# Always build with prototypes -AC_DEFINE([HAVE_PROTOTYPES], 1, [Define if your compiler supports prototypes]) - -# Checks for programs. -SAVED_CFLAGS=${CFLAGS} -SAVED_CXXFLAGS=${CXXFLAGS} -AC_PROG_CPP -AC_PROG_CC -AC_PROG_CXX -AC_PROG_INSTALL -AC_PROG_LIBTOOL -AC_PROG_LN_S - -# Check whether compiler supports pointers to undefined structures -AC_MSG_CHECKING(whether compiler supports pointers to undefined structures) -AC_TRY_COMPILE([ typedef struct undefined_structure * undef_struct_ptr; ], , -AC_MSG_RESULT(yes), -[AC_MSG_RESULT(no) -AC_DEFINE([INCOMPLETE_TYPES_BROKEN],[1],[Compiler does not support pointers to undefined structures.])]) - -if test "x${GCC}" = "xyes"; then - if test "x${SAVED_CFLAGS}" = "x"; then - CFLAGS=-O3 - fi - if test "x${SAVED_CXXFLAGS}" = "x"; then - CXXFLAGS=-O3 - fi -fi - -AC_CHECK_DECL([__SUNPRO_C], [SUNCC="yes"], [SUNCC="no"]) -if test "x${SUNCC}" = "xyes"; then - if test "x${SAVED_CFLAGS}" = "x"; then - CFLAGS=-xO5 - fi - if test "x${SAVED_CXXFLAGS}" = "x"; then - CXXFLAGS=-xO5 - fi -fi - -# Checks for libraries. - -# Checks for header files. -AC_HEADER_STDC -AC_CHECK_HEADERS([stddef.h stdlib.h string.h]) -AC_CHECK_HEADER([sys/types.h], AC_DEFINE([NEED_SYS_TYPES_H], 1, [Define if you have sys/types.h])) - -# Checks for typedefs, structures, and compiler characteristics. -AC_C_CONST -AC_C_CHAR_UNSIGNED -AC_C_INLINE -AC_TYPE_SIZE_T -AC_CHECK_TYPES([unsigned char, unsigned short]) - -AC_MSG_CHECKING([if right shift is signed]) -AC_TRY_RUN( - [#include <stdio.h> - int is_shifting_signed (long arg) { - long res = arg >> 4; - - if (res == -0x7F7E80CL) - return 1; /* right shift is signed */ - - /* see if unsigned-shift hack will fix it. */ - /* we can't just test exact value since it depends on width of long... */ - res |= (~0L) << (32-4); - if (res == -0x7F7E80CL) - return 0; /* right shift is unsigned */ - - printf("Right shift isn't acting as I expect it to.\n"); - printf("I fear the JPEG software will not work at all.\n\n"); - return 0; /* try it with unsigned anyway */ - } - int main (void) { - exit(is_shifting_signed(-0x7F7E80B1L)); - }], - [AC_MSG_RESULT(no) - AC_DEFINE([RIGHT_SHIFT_IS_UNSIGNED], 1, [Define if shift is unsigned])], - [AC_MSG_RESULT(yes)], - [AC_MSG_RESULT(Assuming that right shift is signed on target machine.)]) - -# test whether global names are unique to at least 15 chars -AC_MSG_CHECKING([for short external names]) -AC_TRY_LINK( - [int possibly_duplicate_function () { return 0; } - int possibly_dupli_function () { return 1; }], [ ], - [AC_MSG_RESULT(ok)], - [AC_MSG_RESULT(short) - AC_DEFINE([NEED_SHORT_EXTERNAL_NAMES], 1, [Define if you need short function names])]) - -# Checks for library functions. -AC_CHECK_FUNCS([memset memcpy], [], - [AC_DEFINE([NEED_BSD_STRINGS], 1, - [Define if you have BSD-like bzero and bcopy])]) - -# Set flags to indicate platform -case "$host_os" in - cygwin* | mingw* | pw32* | interix*) - is_win32=1 - ;; -esac -AM_CONDITIONAL([IS_WIN32], [test "x$is_win32" = "x1"]) - -# SIMD is optional -AC_ARG_WITH([simd], - AC_HELP_STRING([--without-simd],[Omit accelerated SIMD routines.])) -if test "x${with_simd}" != "xno"; then - # Check if we're on a supported CPU - AC_MSG_CHECKING([if we have SIMD optimisations for cpu type]) - case "$host_cpu" in - x86_64 | amd64) - AC_MSG_RESULT([yes (x86_64)]) - AC_PROG_NASM - simd_arch=x86_64 - ;; - i*86 | x86 | ia32) - AC_MSG_RESULT([yes (i386)]) - AC_PROG_NASM - simd_arch=i386 - ;; - *) - AC_MSG_RESULT([no ("$host_cpu")]) - AC_MSG_WARN([SIMD support not available for this CPU. Performance will suffer.]) - with_simd=no; - ;; - esac - - if test "x${with_simd}" != "xno"; then - AC_DEFINE([WITH_SIMD], [1], [Use accelerated SIMD routines.]) - fi -fi - -AM_CONDITIONAL([WITH_SIMD], [test "x$with_simd" != "xno"]) -AM_CONDITIONAL([SIMD_I386], [test "x$simd_arch" = "xi386"]) -AM_CONDITIONAL([SIMD_X86_64], [test "x$simd_arch" = "xx86_64"]) - -# jconfig.h is the file we use, but we have another before that to -# fool autoheader. the reason is that we include this header in our -# API headers, which can screw things up for users of the lib. -# jconfig.h is a minimal version that allows this package to be built -AC_CONFIG_HEADERS([config.h]) -AC_CONFIG_HEADERS([jconfig.h]) -AC_CONFIG_FILES([Makefile simd/Makefile]) -AC_OUTPUT diff --git a/common/jpeg/djpeg.c b/common/jpeg/djpeg.c deleted file mode 100644 index e099e90a..00000000 --- a/common/jpeg/djpeg.c +++ /dev/null @@ -1,616 +0,0 @@ -/* - * djpeg.c - * - * Copyright (C) 1991-1997, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains a command-line user interface for the JPEG decompressor. - * It should work on any system with Unix- or MS-DOS-style command lines. - * - * Two different command line styles are permitted, depending on the - * compile-time switch TWO_FILE_COMMANDLINE: - * djpeg [options] inputfile outputfile - * djpeg [options] [inputfile] - * In the second style, output is always to standard output, which you'd - * normally redirect to a file or pipe to some other program. Input is - * either from a named file or from standard input (typically redirected). - * The second style is convenient on Unix but is unhelpful on systems that - * don't support pipes. Also, you MUST use the first style if your system - * doesn't do binary I/O to stdin/stdout. - * To simplify script writing, the "-outfile" switch is provided. The syntax - * djpeg [options] -outfile outputfile inputfile - * works regardless of which command line style is used. - */ - -#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */ -#include "jversion.h" /* for version message */ - -#include <ctype.h> /* to declare isprint() */ - -#ifdef USE_CCOMMAND /* command-line reader for Macintosh */ -#ifdef __MWERKS__ -#include <SIOUX.h> /* Metrowerks needs this */ -#include <console.h> /* ... and this */ -#endif -#ifdef THINK_C -#include <console.h> /* Think declares it here */ -#endif -#endif - - -/* Create the add-on message string table. */ - -#define JMESSAGE(code,string) string , - -static const char * const cdjpeg_message_table[] = { -#include "cderror.h" - NULL -}; - - -/* - * This list defines the known output image formats - * (not all of which need be supported by a given version). - * You can change the default output format by defining DEFAULT_FMT; - * indeed, you had better do so if you undefine PPM_SUPPORTED. - */ - -typedef enum { - FMT_BMP, /* BMP format (Windows flavor) */ - FMT_GIF, /* GIF format */ - FMT_OS2, /* BMP format (OS/2 flavor) */ - FMT_PPM, /* PPM/PGM (PBMPLUS formats) */ - FMT_RLE, /* RLE format */ - FMT_TARGA, /* Targa format */ - FMT_TIFF /* TIFF format */ -} IMAGE_FORMATS; - -#ifndef DEFAULT_FMT /* so can override from CFLAGS in Makefile */ -#define DEFAULT_FMT FMT_PPM -#endif - -static IMAGE_FORMATS requested_fmt; - - -/* - * Argument-parsing code. - * The switch parser is designed to be useful with DOS-style command line - * syntax, ie, intermixed switches and file names, where only the switches - * to the left of a given file name affect processing of that file. - * The main program in this file doesn't actually use this capability... - */ - - -static const char * progname; /* program name for error messages */ -static char * outfilename; /* for -outfile switch */ - - -LOCAL(void) -usage (void) -/* complain about bad command line */ -{ - fprintf(stderr, "usage: %s [switches] ", progname); -#ifdef TWO_FILE_COMMANDLINE - fprintf(stderr, "inputfile outputfile\n"); -#else - fprintf(stderr, "[inputfile]\n"); -#endif - - fprintf(stderr, "Switches (names may be abbreviated):\n"); - fprintf(stderr, " -colors N Reduce image to no more than N colors\n"); - fprintf(stderr, " -fast Fast, low-quality processing\n"); - fprintf(stderr, " -grayscale Force grayscale output\n"); -#ifdef IDCT_SCALING_SUPPORTED - fprintf(stderr, " -scale M/N Scale output image by fraction M/N, eg, 1/8\n"); -#endif -#ifdef BMP_SUPPORTED - fprintf(stderr, " -bmp Select BMP output format (Windows style)%s\n", - (DEFAULT_FMT == FMT_BMP ? " (default)" : "")); -#endif -#ifdef GIF_SUPPORTED - fprintf(stderr, " -gif Select GIF output format%s\n", - (DEFAULT_FMT == FMT_GIF ? " (default)" : "")); -#endif -#ifdef BMP_SUPPORTED - fprintf(stderr, " -os2 Select BMP output format (OS/2 style)%s\n", - (DEFAULT_FMT == FMT_OS2 ? " (default)" : "")); -#endif -#ifdef PPM_SUPPORTED - fprintf(stderr, " -pnm Select PBMPLUS (PPM/PGM) output format%s\n", - (DEFAULT_FMT == FMT_PPM ? " (default)" : "")); -#endif -#ifdef RLE_SUPPORTED - fprintf(stderr, " -rle Select Utah RLE output format%s\n", - (DEFAULT_FMT == FMT_RLE ? " (default)" : "")); -#endif -#ifdef TARGA_SUPPORTED - fprintf(stderr, " -targa Select Targa output format%s\n", - (DEFAULT_FMT == FMT_TARGA ? " (default)" : "")); -#endif - fprintf(stderr, "Switches for advanced users:\n"); -#ifdef DCT_ISLOW_SUPPORTED - fprintf(stderr, " -dct int Use integer DCT method%s\n", - (JDCT_DEFAULT == JDCT_ISLOW ? " (default)" : "")); -#endif -#ifdef DCT_IFAST_SUPPORTED - fprintf(stderr, " -dct fast Use fast integer DCT (less accurate)%s\n", - (JDCT_DEFAULT == JDCT_IFAST ? " (default)" : "")); -#endif -#ifdef DCT_FLOAT_SUPPORTED - fprintf(stderr, " -dct float Use floating-point DCT method%s\n", - (JDCT_DEFAULT == JDCT_FLOAT ? " (default)" : "")); -#endif - fprintf(stderr, " -dither fs Use F-S dithering (default)\n"); - fprintf(stderr, " -dither none Don't use dithering in quantization\n"); - fprintf(stderr, " -dither ordered Use ordered dither (medium speed, quality)\n"); -#ifdef QUANT_2PASS_SUPPORTED - fprintf(stderr, " -map FILE Map to colors used in named image file\n"); -#endif - fprintf(stderr, " -nosmooth Don't use high-quality upsampling\n"); -#ifdef QUANT_1PASS_SUPPORTED - fprintf(stderr, " -onepass Use 1-pass quantization (fast, low quality)\n"); -#endif - fprintf(stderr, " -maxmemory N Maximum memory to use (in kbytes)\n"); - fprintf(stderr, " -outfile name Specify name for output file\n"); - fprintf(stderr, " -verbose or -debug Emit debug output\n"); - exit(EXIT_FAILURE); -} - - -LOCAL(int) -parse_switches (j_decompress_ptr cinfo, int argc, char **argv, - int last_file_arg_seen, boolean for_real) -/* Parse optional switches. - * Returns argv[] index of first file-name argument (== argc if none). - * Any file names with indexes <= last_file_arg_seen are ignored; - * they have presumably been processed in a previous iteration. - * (Pass 0 for last_file_arg_seen on the first or only iteration.) - * for_real is FALSE on the first (dummy) pass; we may skip any expensive - * processing. - */ -{ - int argn; - char * arg; - - /* Set up default JPEG parameters. */ - requested_fmt = DEFAULT_FMT; /* set default output file format */ - outfilename = NULL; - cinfo->err->trace_level = 0; - - /* Scan command line options, adjust parameters */ - - for (argn = 1; argn < argc; argn++) { - arg = argv[argn]; - if (*arg != '-') { - /* Not a switch, must be a file name argument */ - if (argn <= last_file_arg_seen) { - outfilename = NULL; /* -outfile applies to just one input file */ - continue; /* ignore this name if previously processed */ - } - break; /* else done parsing switches */ - } - arg++; /* advance past switch marker character */ - - if (keymatch(arg, "bmp", 1)) { - /* BMP output format. */ - requested_fmt = FMT_BMP; - - } else if (keymatch(arg, "colors", 1) || keymatch(arg, "colours", 1) || - keymatch(arg, "quantize", 1) || keymatch(arg, "quantise", 1)) { - /* Do color quantization. */ - int val; - - if (++argn >= argc) /* advance to next argument */ - usage(); - if (sscanf(argv[argn], "%d", &val) != 1) - usage(); - cinfo->desired_number_of_colors = val; - cinfo->quantize_colors = TRUE; - - } else if (keymatch(arg, "dct", 2)) { - /* Select IDCT algorithm. */ - if (++argn >= argc) /* advance to next argument */ - usage(); - if (keymatch(argv[argn], "int", 1)) { - cinfo->dct_method = JDCT_ISLOW; - } else if (keymatch(argv[argn], "fast", 2)) { - cinfo->dct_method = JDCT_IFAST; - } else if (keymatch(argv[argn], "float", 2)) { - cinfo->dct_method = JDCT_FLOAT; - } else - usage(); - - } else if (keymatch(arg, "dither", 2)) { - /* Select dithering algorithm. */ - if (++argn >= argc) /* advance to next argument */ - usage(); - if (keymatch(argv[argn], "fs", 2)) { - cinfo->dither_mode = JDITHER_FS; - } else if (keymatch(argv[argn], "none", 2)) { - cinfo->dither_mode = JDITHER_NONE; - } else if (keymatch(argv[argn], "ordered", 2)) { - cinfo->dither_mode = JDITHER_ORDERED; - } else - usage(); - - } else if (keymatch(arg, "debug", 1) || keymatch(arg, "verbose", 1)) { - /* Enable debug printouts. */ - /* On first -d, print version identification */ - static boolean printed_version = FALSE; - - if (! printed_version) { - fprintf(stderr, "Independent JPEG Group's DJPEG, version %s\n%s\n", - JVERSION, JCOPYRIGHT); - printed_version = TRUE; - } - cinfo->err->trace_level++; - - } else if (keymatch(arg, "fast", 1)) { - /* Select recommended processing options for quick-and-dirty output. */ - cinfo->two_pass_quantize = FALSE; - cinfo->dither_mode = JDITHER_ORDERED; - if (! cinfo->quantize_colors) /* don't override an earlier -colors */ - cinfo->desired_number_of_colors = 216; - cinfo->dct_method = JDCT_FASTEST; - cinfo->do_fancy_upsampling = FALSE; - - } else if (keymatch(arg, "gif", 1)) { - /* GIF output format. */ - requested_fmt = FMT_GIF; - - } else if (keymatch(arg, "grayscale", 2) || keymatch(arg, "greyscale",2)) { - /* Force monochrome output. */ - cinfo->out_color_space = JCS_GRAYSCALE; - - } else if (keymatch(arg, "map", 3)) { - /* Quantize to a color map taken from an input file. */ - if (++argn >= argc) /* advance to next argument */ - usage(); - if (for_real) { /* too expensive to do twice! */ -#ifdef QUANT_2PASS_SUPPORTED /* otherwise can't quantize to supplied map */ - FILE * mapfile; - - if ((mapfile = fopen(argv[argn], READ_BINARY)) == NULL) { - fprintf(stderr, "%s: can't open %s\n", progname, argv[argn]); - exit(EXIT_FAILURE); - } - read_color_map(cinfo, mapfile); - fclose(mapfile); - cinfo->quantize_colors = TRUE; -#else - ERREXIT(cinfo, JERR_NOT_COMPILED); -#endif - } - - } else if (keymatch(arg, "maxmemory", 3)) { - /* Maximum memory in Kb (or Mb with 'm'). */ - long lval; - char ch = 'x'; - - if (++argn >= argc) /* advance to next argument */ - usage(); - if (sscanf(argv[argn], "%ld%c", &lval, &ch) < 1) - usage(); - if (ch == 'm' || ch == 'M') - lval *= 1000L; - cinfo->mem->max_memory_to_use = lval * 1000L; - - } else if (keymatch(arg, "nosmooth", 3)) { - /* Suppress fancy upsampling */ - cinfo->do_fancy_upsampling = FALSE; - - } else if (keymatch(arg, "onepass", 3)) { - /* Use fast one-pass quantization. */ - cinfo->two_pass_quantize = FALSE; - - } else if (keymatch(arg, "os2", 3)) { - /* BMP output format (OS/2 flavor). */ - requested_fmt = FMT_OS2; - - } else if (keymatch(arg, "outfile", 4)) { - /* Set output file name. */ - if (++argn >= argc) /* advance to next argument */ - usage(); - outfilename = argv[argn]; /* save it away for later use */ - - } else if (keymatch(arg, "pnm", 1) || keymatch(arg, "ppm", 1)) { - /* PPM/PGM output format. */ - requested_fmt = FMT_PPM; - - } else if (keymatch(arg, "rle", 1)) { - /* RLE output format. */ - requested_fmt = FMT_RLE; - - } else if (keymatch(arg, "scale", 1)) { - /* Scale the output image by a fraction M/N. */ - if (++argn >= argc) /* advance to next argument */ - usage(); - if (sscanf(argv[argn], "%d/%d", - &cinfo->scale_num, &cinfo->scale_denom) != 2) - usage(); - - } else if (keymatch(arg, "targa", 1)) { - /* Targa output format. */ - requested_fmt = FMT_TARGA; - - } else { - usage(); /* bogus switch */ - } - } - - return argn; /* return index of next arg (file name) */ -} - - -/* - * Marker processor for COM and interesting APPn markers. - * This replaces the library's built-in processor, which just skips the marker. - * We want to print out the marker as text, to the extent possible. - * Note this code relies on a non-suspending data source. - */ - -LOCAL(unsigned int) -jpeg_getc (j_decompress_ptr cinfo) -/* Read next byte */ -{ - struct jpeg_source_mgr * datasrc = cinfo->src; - - if (datasrc->bytes_in_buffer == 0) { - if (! (*datasrc->fill_input_buffer) (cinfo)) - ERREXIT(cinfo, JERR_CANT_SUSPEND); - } - datasrc->bytes_in_buffer--; - return GETJOCTET(*datasrc->next_input_byte++); -} - - -METHODDEF(boolean) -print_text_marker (j_decompress_ptr cinfo) -{ - boolean traceit = (cinfo->err->trace_level >= 1); - INT32 length; - unsigned int ch; - unsigned int lastch = 0; - - length = jpeg_getc(cinfo) << 8; - length += jpeg_getc(cinfo); - length -= 2; /* discount the length word itself */ - - if (traceit) { - if (cinfo->unread_marker == JPEG_COM) - fprintf(stderr, "Comment, length %ld:\n", (long) length); - else /* assume it is an APPn otherwise */ - fprintf(stderr, "APP%d, length %ld:\n", - cinfo->unread_marker - JPEG_APP0, (long) length); - } - - while (--length >= 0) { - ch = jpeg_getc(cinfo); - if (traceit) { - /* Emit the character in a readable form. - * Nonprintables are converted to \nnn form, - * while \ is converted to \\. - * Newlines in CR, CR/LF, or LF form will be printed as one newline. - */ - if (ch == '\r') { - fprintf(stderr, "\n"); - } else if (ch == '\n') { - if (lastch != '\r') - fprintf(stderr, "\n"); - } else if (ch == '\\') { - fprintf(stderr, "\\\\"); - } else if (isprint(ch)) { - putc(ch, stderr); - } else { - fprintf(stderr, "\\%03o", ch); - } - lastch = ch; - } - } - - if (traceit) - fprintf(stderr, "\n"); - - return TRUE; -} - - -/* - * The main program. - */ - -int -main (int argc, char **argv) -{ - struct jpeg_decompress_struct cinfo; - struct jpeg_error_mgr jerr; -#ifdef PROGRESS_REPORT - struct cdjpeg_progress_mgr progress; -#endif - int file_index; - djpeg_dest_ptr dest_mgr = NULL; - FILE * input_file; - FILE * output_file; - JDIMENSION num_scanlines; - - /* On Mac, fetch a command line. */ -#ifdef USE_CCOMMAND - argc = ccommand(&argv); -#endif - - progname = argv[0]; - if (progname == NULL || progname[0] == 0) - progname = "djpeg"; /* in case C library doesn't provide it */ - - /* Initialize the JPEG decompression object with default error handling. */ - cinfo.err = jpeg_std_error(&jerr); - jpeg_create_decompress(&cinfo); - /* Add some application-specific error messages (from cderror.h) */ - jerr.addon_message_table = cdjpeg_message_table; - jerr.first_addon_message = JMSG_FIRSTADDONCODE; - jerr.last_addon_message = JMSG_LASTADDONCODE; - - /* Insert custom marker processor for COM and APP12. - * APP12 is used by some digital camera makers for textual info, - * so we provide the ability to display it as text. - * If you like, additional APPn marker types can be selected for display, - * but don't try to override APP0 or APP14 this way (see libjpeg.doc). - */ - jpeg_set_marker_processor(&cinfo, JPEG_COM, print_text_marker); - jpeg_set_marker_processor(&cinfo, JPEG_APP0+12, print_text_marker); - - /* Now safe to enable signal catcher. */ -#ifdef NEED_SIGNAL_CATCHER - enable_signal_catcher((j_common_ptr) &cinfo); -#endif - - /* Scan command line to find file names. */ - /* It is convenient to use just one switch-parsing routine, but the switch - * values read here are ignored; we will rescan the switches after opening - * the input file. - * (Exception: tracing level set here controls verbosity for COM markers - * found during jpeg_read_header...) - */ - - file_index = parse_switches(&cinfo, argc, argv, 0, FALSE); - -#ifdef TWO_FILE_COMMANDLINE - /* Must have either -outfile switch or explicit output file name */ - if (outfilename == NULL) { - if (file_index != argc-2) { - fprintf(stderr, "%s: must name one input and one output file\n", - progname); - usage(); - } - outfilename = argv[file_index+1]; - } else { - if (file_index != argc-1) { - fprintf(stderr, "%s: must name one input and one output file\n", - progname); - usage(); - } - } -#else - /* Unix style: expect zero or one file name */ - if (file_index < argc-1) { - fprintf(stderr, "%s: only one input file\n", progname); - usage(); - } -#endif /* TWO_FILE_COMMANDLINE */ - - /* Open the input file. */ - if (file_index < argc) { - if ((input_file = fopen(argv[file_index], READ_BINARY)) == NULL) { - fprintf(stderr, "%s: can't open %s\n", progname, argv[file_index]); - exit(EXIT_FAILURE); - } - } else { - /* default input file is stdin */ - input_file = read_stdin(); - } - - /* Open the output file. */ - if (outfilename != NULL) { - if ((output_file = fopen(outfilename, WRITE_BINARY)) == NULL) { - fprintf(stderr, "%s: can't open %s\n", progname, outfilename); - exit(EXIT_FAILURE); - } - } else { - /* default output file is stdout */ - output_file = write_stdout(); - } - -#ifdef PROGRESS_REPORT - start_progress_monitor((j_common_ptr) &cinfo, &progress); -#endif - - /* Specify data source for decompression */ - jpeg_stdio_src(&cinfo, input_file); - - /* Read file header, set default decompression parameters */ - (void) jpeg_read_header(&cinfo, TRUE); - - /* Adjust default decompression parameters by re-parsing the options */ - file_index = parse_switches(&cinfo, argc, argv, 0, TRUE); - - /* Initialize the output module now to let it override any crucial - * option settings (for instance, GIF wants to force color quantization). - */ - switch (requested_fmt) { -#ifdef BMP_SUPPORTED - case FMT_BMP: - dest_mgr = jinit_write_bmp(&cinfo, FALSE); - break; - case FMT_OS2: - dest_mgr = jinit_write_bmp(&cinfo, TRUE); - break; -#endif -#ifdef GIF_SUPPORTED - case FMT_GIF: - dest_mgr = jinit_write_gif(&cinfo); - break; -#endif -#ifdef PPM_SUPPORTED - case FMT_PPM: - dest_mgr = jinit_write_ppm(&cinfo); - break; -#endif -#ifdef RLE_SUPPORTED - case FMT_RLE: - dest_mgr = jinit_write_rle(&cinfo); - break; -#endif -#ifdef TARGA_SUPPORTED - case FMT_TARGA: - dest_mgr = jinit_write_targa(&cinfo); - break; -#endif - default: - ERREXIT(&cinfo, JERR_UNSUPPORTED_FORMAT); - break; - } - dest_mgr->output_file = output_file; - - /* Start decompressor */ - (void) jpeg_start_decompress(&cinfo); - - /* Write output file header */ - (*dest_mgr->start_output) (&cinfo, dest_mgr); - - /* Process data */ - while (cinfo.output_scanline < cinfo.output_height) { - num_scanlines = jpeg_read_scanlines(&cinfo, dest_mgr->buffer, - dest_mgr->buffer_height); - (*dest_mgr->put_pixel_rows) (&cinfo, dest_mgr, num_scanlines); - } - -#ifdef PROGRESS_REPORT - /* Hack: count final pass as done in case finish_output does an extra pass. - * The library won't have updated completed_passes. - */ - progress.pub.completed_passes = progress.pub.total_passes; -#endif - - /* Finish decompression and release memory. - * I must do it in this order because output module has allocated memory - * of lifespan JPOOL_IMAGE; it needs to finish before releasing memory. - */ - (*dest_mgr->finish_output) (&cinfo, dest_mgr); - (void) jpeg_finish_decompress(&cinfo); - jpeg_destroy_decompress(&cinfo); - - /* Close files, if we opened them */ - if (input_file != stdin) - fclose(input_file); - if (output_file != stdout) - fclose(output_file); - -#ifdef PROGRESS_REPORT - end_progress_monitor((j_common_ptr) &cinfo); -#endif - - /* All done. */ - exit(jerr.num_warnings ? EXIT_WARNING : EXIT_SUCCESS); - return 0; /* suppress no-return-value warnings */ -} diff --git a/common/jpeg/jcapimin.c b/common/jpeg/jcapimin.c deleted file mode 100644 index 54fb8c58..00000000 --- a/common/jpeg/jcapimin.c +++ /dev/null @@ -1,280 +0,0 @@ -/* - * jcapimin.c - * - * Copyright (C) 1994-1998, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains application interface code for the compression half - * of the JPEG library. These are the "minimum" API routines that may be - * needed in either the normal full-compression case or the transcoding-only - * case. - * - * Most of the routines intended to be called directly by an application - * are in this file or in jcapistd.c. But also see jcparam.c for - * parameter-setup helper routines, jcomapi.c for routines shared by - * compression and decompression, and jctrans.c for the transcoding case. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" - - -/* - * Initialization of a JPEG compression object. - * The error manager must already be set up (in case memory manager fails). - */ - -GLOBAL(void) -jpeg_CreateCompress (j_compress_ptr cinfo, int version, size_t structsize) -{ - int i; - - /* Guard against version mismatches between library and caller. */ - cinfo->mem = NULL; /* so jpeg_destroy knows mem mgr not called */ - if (version != JPEG_LIB_VERSION) - ERREXIT2(cinfo, JERR_BAD_LIB_VERSION, JPEG_LIB_VERSION, version); - if (structsize != SIZEOF(struct jpeg_compress_struct)) - ERREXIT2(cinfo, JERR_BAD_STRUCT_SIZE, - (int) SIZEOF(struct jpeg_compress_struct), (int) structsize); - - /* For debugging purposes, we zero the whole master structure. - * But the application has already set the err pointer, and may have set - * client_data, so we have to save and restore those fields. - * Note: if application hasn't set client_data, tools like Purify may - * complain here. - */ - { - struct jpeg_error_mgr * err = cinfo->err; - void * client_data = cinfo->client_data; /* ignore Purify complaint here */ - MEMZERO(cinfo, SIZEOF(struct jpeg_compress_struct)); - cinfo->err = err; - cinfo->client_data = client_data; - } - cinfo->is_decompressor = FALSE; - - /* Initialize a memory manager instance for this object */ - jinit_memory_mgr((j_common_ptr) cinfo); - - /* Zero out pointers to permanent structures. */ - cinfo->progress = NULL; - cinfo->dest = NULL; - - cinfo->comp_info = NULL; - - for (i = 0; i < NUM_QUANT_TBLS; i++) - cinfo->quant_tbl_ptrs[i] = NULL; - - for (i = 0; i < NUM_HUFF_TBLS; i++) { - cinfo->dc_huff_tbl_ptrs[i] = NULL; - cinfo->ac_huff_tbl_ptrs[i] = NULL; - } - - cinfo->script_space = NULL; - - cinfo->input_gamma = 1.0; /* in case application forgets */ - - /* OK, I'm ready */ - cinfo->global_state = CSTATE_START; -} - - -/* - * Destruction of a JPEG compression object - */ - -GLOBAL(void) -jpeg_destroy_compress (j_compress_ptr cinfo) -{ - jpeg_destroy((j_common_ptr) cinfo); /* use common routine */ -} - - -/* - * Abort processing of a JPEG compression operation, - * but don't destroy the object itself. - */ - -GLOBAL(void) -jpeg_abort_compress (j_compress_ptr cinfo) -{ - jpeg_abort((j_common_ptr) cinfo); /* use common routine */ -} - - -/* - * Forcibly suppress or un-suppress all quantization and Huffman tables. - * Marks all currently defined tables as already written (if suppress) - * or not written (if !suppress). This will control whether they get emitted - * by a subsequent jpeg_start_compress call. - * - * This routine is exported for use by applications that want to produce - * abbreviated JPEG datastreams. It logically belongs in jcparam.c, but - * since it is called by jpeg_start_compress, we put it here --- otherwise - * jcparam.o would be linked whether the application used it or not. - */ - -GLOBAL(void) -jpeg_suppress_tables (j_compress_ptr cinfo, boolean suppress) -{ - int i; - JQUANT_TBL * qtbl; - JHUFF_TBL * htbl; - - for (i = 0; i < NUM_QUANT_TBLS; i++) { - if ((qtbl = cinfo->quant_tbl_ptrs[i]) != NULL) - qtbl->sent_table = suppress; - } - - for (i = 0; i < NUM_HUFF_TBLS; i++) { - if ((htbl = cinfo->dc_huff_tbl_ptrs[i]) != NULL) - htbl->sent_table = suppress; - if ((htbl = cinfo->ac_huff_tbl_ptrs[i]) != NULL) - htbl->sent_table = suppress; - } -} - - -/* - * Finish JPEG compression. - * - * If a multipass operating mode was selected, this may do a great deal of - * work including most of the actual output. - */ - -GLOBAL(void) -jpeg_finish_compress (j_compress_ptr cinfo) -{ - JDIMENSION iMCU_row; - - if (cinfo->global_state == CSTATE_SCANNING || - cinfo->global_state == CSTATE_RAW_OK) { - /* Terminate first pass */ - if (cinfo->next_scanline < cinfo->image_height) - ERREXIT(cinfo, JERR_TOO_LITTLE_DATA); - (*cinfo->master->finish_pass) (cinfo); - } else if (cinfo->global_state != CSTATE_WRCOEFS) - ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); - /* Perform any remaining passes */ - while (! cinfo->master->is_last_pass) { - (*cinfo->master->prepare_for_pass) (cinfo); - for (iMCU_row = 0; iMCU_row < cinfo->total_iMCU_rows; iMCU_row++) { - if (cinfo->progress != NULL) { - cinfo->progress->pass_counter = (long) iMCU_row; - cinfo->progress->pass_limit = (long) cinfo->total_iMCU_rows; - (*cinfo->progress->progress_monitor) ((j_common_ptr) cinfo); - } - /* We bypass the main controller and invoke coef controller directly; - * all work is being done from the coefficient buffer. - */ - if (! (*cinfo->coef->compress_data) (cinfo, (JSAMPIMAGE) NULL)) - ERREXIT(cinfo, JERR_CANT_SUSPEND); - } - (*cinfo->master->finish_pass) (cinfo); - } - /* Write EOI, do final cleanup */ - (*cinfo->marker->write_file_trailer) (cinfo); - (*cinfo->dest->term_destination) (cinfo); - /* We can use jpeg_abort to release memory and reset global_state */ - jpeg_abort((j_common_ptr) cinfo); -} - - -/* - * Write a special marker. - * This is only recommended for writing COM or APPn markers. - * Must be called after jpeg_start_compress() and before - * first call to jpeg_write_scanlines() or jpeg_write_raw_data(). - */ - -GLOBAL(void) -jpeg_write_marker (j_compress_ptr cinfo, int marker, - const JOCTET *dataptr, unsigned int datalen) -{ - JMETHOD(void, write_marker_byte, (j_compress_ptr info, int val)); - - if (cinfo->next_scanline != 0 || - (cinfo->global_state != CSTATE_SCANNING && - cinfo->global_state != CSTATE_RAW_OK && - cinfo->global_state != CSTATE_WRCOEFS)) - ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); - - (*cinfo->marker->write_marker_header) (cinfo, marker, datalen); - write_marker_byte = cinfo->marker->write_marker_byte; /* copy for speed */ - while (datalen--) { - (*write_marker_byte) (cinfo, *dataptr); - dataptr++; - } -} - -/* Same, but piecemeal. */ - -GLOBAL(void) -jpeg_write_m_header (j_compress_ptr cinfo, int marker, unsigned int datalen) -{ - if (cinfo->next_scanline != 0 || - (cinfo->global_state != CSTATE_SCANNING && - cinfo->global_state != CSTATE_RAW_OK && - cinfo->global_state != CSTATE_WRCOEFS)) - ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); - - (*cinfo->marker->write_marker_header) (cinfo, marker, datalen); -} - -GLOBAL(void) -jpeg_write_m_byte (j_compress_ptr cinfo, int val) -{ - (*cinfo->marker->write_marker_byte) (cinfo, val); -} - - -/* - * Alternate compression function: just write an abbreviated table file. - * Before calling this, all parameters and a data destination must be set up. - * - * To produce a pair of files containing abbreviated tables and abbreviated - * image data, one would proceed as follows: - * - * initialize JPEG object - * set JPEG parameters - * set destination to table file - * jpeg_write_tables(cinfo); - * set destination to image file - * jpeg_start_compress(cinfo, FALSE); - * write data... - * jpeg_finish_compress(cinfo); - * - * jpeg_write_tables has the side effect of marking all tables written - * (same as jpeg_suppress_tables(..., TRUE)). Thus a subsequent start_compress - * will not re-emit the tables unless it is passed write_all_tables=TRUE. - */ - -GLOBAL(void) -jpeg_write_tables (j_compress_ptr cinfo) -{ - if (cinfo->global_state != CSTATE_START) - ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); - - /* (Re)initialize error mgr and destination modules */ - (*cinfo->err->reset_error_mgr) ((j_common_ptr) cinfo); - (*cinfo->dest->init_destination) (cinfo); - /* Initialize the marker writer ... bit of a crock to do it here. */ - jinit_marker_writer(cinfo); - /* Write them tables! */ - (*cinfo->marker->write_tables_only) (cinfo); - /* And clean up. */ - (*cinfo->dest->term_destination) (cinfo); - /* - * In library releases up through v6a, we called jpeg_abort() here to free - * any working memory allocated by the destination manager and marker - * writer. Some applications had a problem with that: they allocated space - * of their own from the library memory manager, and didn't want it to go - * away during write_tables. So now we do nothing. This will cause a - * memory leak if an app calls write_tables repeatedly without doing a full - * compression cycle or otherwise resetting the JPEG object. However, that - * seems less bad than unexpectedly freeing memory in the normal case. - * An app that prefers the old behavior can call jpeg_abort for itself after - * each call to jpeg_write_tables(). - */ -} diff --git a/common/jpeg/jcapistd.c b/common/jpeg/jcapistd.c deleted file mode 100644 index c0320b1b..00000000 --- a/common/jpeg/jcapistd.c +++ /dev/null @@ -1,161 +0,0 @@ -/* - * jcapistd.c - * - * Copyright (C) 1994-1996, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains application interface code for the compression half - * of the JPEG library. These are the "standard" API routines that are - * used in the normal full-compression case. They are not used by a - * transcoding-only application. Note that if an application links in - * jpeg_start_compress, it will end up linking in the entire compressor. - * We thus must separate this file from jcapimin.c to avoid linking the - * whole compression library into a transcoder. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" - - -/* - * Compression initialization. - * Before calling this, all parameters and a data destination must be set up. - * - * We require a write_all_tables parameter as a failsafe check when writing - * multiple datastreams from the same compression object. Since prior runs - * will have left all the tables marked sent_table=TRUE, a subsequent run - * would emit an abbreviated stream (no tables) by default. This may be what - * is wanted, but for safety's sake it should not be the default behavior: - * programmers should have to make a deliberate choice to emit abbreviated - * images. Therefore the documentation and examples should encourage people - * to pass write_all_tables=TRUE; then it will take active thought to do the - * wrong thing. - */ - -GLOBAL(void) -jpeg_start_compress (j_compress_ptr cinfo, boolean write_all_tables) -{ - if (cinfo->global_state != CSTATE_START) - ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); - - if (write_all_tables) - jpeg_suppress_tables(cinfo, FALSE); /* mark all tables to be written */ - - /* (Re)initialize error mgr and destination modules */ - (*cinfo->err->reset_error_mgr) ((j_common_ptr) cinfo); - (*cinfo->dest->init_destination) (cinfo); - /* Perform master selection of active modules */ - jinit_compress_master(cinfo); - /* Set up for the first pass */ - (*cinfo->master->prepare_for_pass) (cinfo); - /* Ready for application to drive first pass through jpeg_write_scanlines - * or jpeg_write_raw_data. - */ - cinfo->next_scanline = 0; - cinfo->global_state = (cinfo->raw_data_in ? CSTATE_RAW_OK : CSTATE_SCANNING); -} - - -/* - * Write some scanlines of data to the JPEG compressor. - * - * The return value will be the number of lines actually written. - * This should be less than the supplied num_lines only in case that - * the data destination module has requested suspension of the compressor, - * or if more than image_height scanlines are passed in. - * - * Note: we warn about excess calls to jpeg_write_scanlines() since - * this likely signals an application programmer error. However, - * excess scanlines passed in the last valid call are *silently* ignored, - * so that the application need not adjust num_lines for end-of-image - * when using a multiple-scanline buffer. - */ - -GLOBAL(JDIMENSION) -jpeg_write_scanlines (j_compress_ptr cinfo, JSAMPARRAY scanlines, - JDIMENSION num_lines) -{ - JDIMENSION row_ctr, rows_left; - - if (cinfo->global_state != CSTATE_SCANNING) - ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); - if (cinfo->next_scanline >= cinfo->image_height) - WARNMS(cinfo, JWRN_TOO_MUCH_DATA); - - /* Call progress monitor hook if present */ - if (cinfo->progress != NULL) { - cinfo->progress->pass_counter = (long) cinfo->next_scanline; - cinfo->progress->pass_limit = (long) cinfo->image_height; - (*cinfo->progress->progress_monitor) ((j_common_ptr) cinfo); - } - - /* Give master control module another chance if this is first call to - * jpeg_write_scanlines. This lets output of the frame/scan headers be - * delayed so that application can write COM, etc, markers between - * jpeg_start_compress and jpeg_write_scanlines. - */ - if (cinfo->master->call_pass_startup) - (*cinfo->master->pass_startup) (cinfo); - - /* Ignore any extra scanlines at bottom of image. */ - rows_left = cinfo->image_height - cinfo->next_scanline; - if (num_lines > rows_left) - num_lines = rows_left; - - row_ctr = 0; - (*cinfo->main->process_data) (cinfo, scanlines, &row_ctr, num_lines); - cinfo->next_scanline += row_ctr; - return row_ctr; -} - - -/* - * Alternate entry point to write raw data. - * Processes exactly one iMCU row per call, unless suspended. - */ - -GLOBAL(JDIMENSION) -jpeg_write_raw_data (j_compress_ptr cinfo, JSAMPIMAGE data, - JDIMENSION num_lines) -{ - JDIMENSION lines_per_iMCU_row; - - if (cinfo->global_state != CSTATE_RAW_OK) - ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); - if (cinfo->next_scanline >= cinfo->image_height) { - WARNMS(cinfo, JWRN_TOO_MUCH_DATA); - return 0; - } - - /* Call progress monitor hook if present */ - if (cinfo->progress != NULL) { - cinfo->progress->pass_counter = (long) cinfo->next_scanline; - cinfo->progress->pass_limit = (long) cinfo->image_height; - (*cinfo->progress->progress_monitor) ((j_common_ptr) cinfo); - } - - /* Give master control module another chance if this is first call to - * jpeg_write_raw_data. This lets output of the frame/scan headers be - * delayed so that application can write COM, etc, markers between - * jpeg_start_compress and jpeg_write_raw_data. - */ - if (cinfo->master->call_pass_startup) - (*cinfo->master->pass_startup) (cinfo); - - /* Verify that at least one iMCU row has been passed. */ - lines_per_iMCU_row = cinfo->max_v_samp_factor * DCTSIZE; - if (num_lines < lines_per_iMCU_row) - ERREXIT(cinfo, JERR_BUFFER_SIZE); - - /* Directly compress the row. */ - if (! (*cinfo->coef->compress_data) (cinfo, data)) { - /* If compressor did not consume the whole row, suspend processing. */ - return 0; - } - - /* OK, we processed one iMCU row. */ - cinfo->next_scanline += lines_per_iMCU_row; - return lines_per_iMCU_row; -} diff --git a/common/jpeg/jccoefct.c b/common/jpeg/jccoefct.c deleted file mode 100644 index 1963ddb6..00000000 --- a/common/jpeg/jccoefct.c +++ /dev/null @@ -1,449 +0,0 @@ -/* - * jccoefct.c - * - * Copyright (C) 1994-1997, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains the coefficient buffer controller for compression. - * This controller is the top level of the JPEG compressor proper. - * The coefficient buffer lies between forward-DCT and entropy encoding steps. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" - - -/* We use a full-image coefficient buffer when doing Huffman optimization, - * and also for writing multiple-scan JPEG files. In all cases, the DCT - * step is run during the first pass, and subsequent passes need only read - * the buffered coefficients. - */ -#ifdef ENTROPY_OPT_SUPPORTED -#define FULL_COEF_BUFFER_SUPPORTED -#else -#ifdef C_MULTISCAN_FILES_SUPPORTED -#define FULL_COEF_BUFFER_SUPPORTED -#endif -#endif - - -/* Private buffer controller object */ - -typedef struct { - struct jpeg_c_coef_controller pub; /* public fields */ - - JDIMENSION iMCU_row_num; /* iMCU row # within image */ - JDIMENSION mcu_ctr; /* counts MCUs processed in current row */ - int MCU_vert_offset; /* counts MCU rows within iMCU row */ - int MCU_rows_per_iMCU_row; /* number of such rows needed */ - - /* For single-pass compression, it's sufficient to buffer just one MCU - * (although this may prove a bit slow in practice). We allocate a - * workspace of C_MAX_BLOCKS_IN_MCU coefficient blocks, and reuse it for each - * MCU constructed and sent. (On 80x86, the workspace is FAR even though - * it's not really very big; this is to keep the module interfaces unchanged - * when a large coefficient buffer is necessary.) - * In multi-pass modes, this array points to the current MCU's blocks - * within the virtual arrays. - */ - JBLOCKROW MCU_buffer[C_MAX_BLOCKS_IN_MCU]; - - /* In multi-pass modes, we need a virtual block array for each component. */ - jvirt_barray_ptr whole_image[MAX_COMPONENTS]; -} my_coef_controller; - -typedef my_coef_controller * my_coef_ptr; - - -/* Forward declarations */ -METHODDEF(boolean) compress_data - JPP((j_compress_ptr cinfo, JSAMPIMAGE input_buf)); -#ifdef FULL_COEF_BUFFER_SUPPORTED -METHODDEF(boolean) compress_first_pass - JPP((j_compress_ptr cinfo, JSAMPIMAGE input_buf)); -METHODDEF(boolean) compress_output - JPP((j_compress_ptr cinfo, JSAMPIMAGE input_buf)); -#endif - - -LOCAL(void) -start_iMCU_row (j_compress_ptr cinfo) -/* Reset within-iMCU-row counters for a new row */ -{ - my_coef_ptr coef = (my_coef_ptr) cinfo->coef; - - /* In an interleaved scan, an MCU row is the same as an iMCU row. - * In a noninterleaved scan, an iMCU row has v_samp_factor MCU rows. - * But at the bottom of the image, process only what's left. - */ - if (cinfo->comps_in_scan > 1) { - coef->MCU_rows_per_iMCU_row = 1; - } else { - if (coef->iMCU_row_num < (cinfo->total_iMCU_rows-1)) - coef->MCU_rows_per_iMCU_row = cinfo->cur_comp_info[0]->v_samp_factor; - else - coef->MCU_rows_per_iMCU_row = cinfo->cur_comp_info[0]->last_row_height; - } - - coef->mcu_ctr = 0; - coef->MCU_vert_offset = 0; -} - - -/* - * Initialize for a processing pass. - */ - -METHODDEF(void) -start_pass_coef (j_compress_ptr cinfo, J_BUF_MODE pass_mode) -{ - my_coef_ptr coef = (my_coef_ptr) cinfo->coef; - - coef->iMCU_row_num = 0; - start_iMCU_row(cinfo); - - switch (pass_mode) { - case JBUF_PASS_THRU: - if (coef->whole_image[0] != NULL) - ERREXIT(cinfo, JERR_BAD_BUFFER_MODE); - coef->pub.compress_data = compress_data; - break; -#ifdef FULL_COEF_BUFFER_SUPPORTED - case JBUF_SAVE_AND_PASS: - if (coef->whole_image[0] == NULL) - ERREXIT(cinfo, JERR_BAD_BUFFER_MODE); - coef->pub.compress_data = compress_first_pass; - break; - case JBUF_CRANK_DEST: - if (coef->whole_image[0] == NULL) - ERREXIT(cinfo, JERR_BAD_BUFFER_MODE); - coef->pub.compress_data = compress_output; - break; -#endif - default: - ERREXIT(cinfo, JERR_BAD_BUFFER_MODE); - break; - } -} - - -/* - * Process some data in the single-pass case. - * We process the equivalent of one fully interleaved MCU row ("iMCU" row) - * per call, ie, v_samp_factor block rows for each component in the image. - * Returns TRUE if the iMCU row is completed, FALSE if suspended. - * - * NB: input_buf contains a plane for each component in image, - * which we index according to the component's SOF position. - */ - -METHODDEF(boolean) -compress_data (j_compress_ptr cinfo, JSAMPIMAGE input_buf) -{ - my_coef_ptr coef = (my_coef_ptr) cinfo->coef; - JDIMENSION MCU_col_num; /* index of current MCU within row */ - JDIMENSION last_MCU_col = cinfo->MCUs_per_row - 1; - JDIMENSION last_iMCU_row = cinfo->total_iMCU_rows - 1; - int blkn, bi, ci, yindex, yoffset, blockcnt; - JDIMENSION ypos, xpos; - jpeg_component_info *compptr; - - /* Loop to write as much as one whole iMCU row */ - for (yoffset = coef->MCU_vert_offset; yoffset < coef->MCU_rows_per_iMCU_row; - yoffset++) { - for (MCU_col_num = coef->mcu_ctr; MCU_col_num <= last_MCU_col; - MCU_col_num++) { - /* Determine where data comes from in input_buf and do the DCT thing. - * Each call on forward_DCT processes a horizontal row of DCT blocks - * as wide as an MCU; we rely on having allocated the MCU_buffer[] blocks - * sequentially. Dummy blocks at the right or bottom edge are filled in - * specially. The data in them does not matter for image reconstruction, - * so we fill them with values that will encode to the smallest amount of - * data, viz: all zeroes in the AC entries, DC entries equal to previous - * block's DC value. (Thanks to Thomas Kinsman for this idea.) - */ - blkn = 0; - for (ci = 0; ci < cinfo->comps_in_scan; ci++) { - compptr = cinfo->cur_comp_info[ci]; - blockcnt = (MCU_col_num < last_MCU_col) ? compptr->MCU_width - : compptr->last_col_width; - xpos = MCU_col_num * compptr->MCU_sample_width; - ypos = yoffset * DCTSIZE; /* ypos == (yoffset+yindex) * DCTSIZE */ - for (yindex = 0; yindex < compptr->MCU_height; yindex++) { - if (coef->iMCU_row_num < last_iMCU_row || - yoffset+yindex < compptr->last_row_height) { - (*cinfo->fdct->forward_DCT) (cinfo, compptr, - input_buf[compptr->component_index], - coef->MCU_buffer[blkn], - ypos, xpos, (JDIMENSION) blockcnt); - if (blockcnt < compptr->MCU_width) { - /* Create some dummy blocks at the right edge of the image. */ - jzero_far((void FAR *) coef->MCU_buffer[blkn + blockcnt], - (compptr->MCU_width - blockcnt) * SIZEOF(JBLOCK)); - for (bi = blockcnt; bi < compptr->MCU_width; bi++) { - coef->MCU_buffer[blkn+bi][0][0] = coef->MCU_buffer[blkn+bi-1][0][0]; - } - } - } else { - /* Create a row of dummy blocks at the bottom of the image. */ - jzero_far((void FAR *) coef->MCU_buffer[blkn], - compptr->MCU_width * SIZEOF(JBLOCK)); - for (bi = 0; bi < compptr->MCU_width; bi++) { - coef->MCU_buffer[blkn+bi][0][0] = coef->MCU_buffer[blkn-1][0][0]; - } - } - blkn += compptr->MCU_width; - ypos += DCTSIZE; - } - } - /* Try to write the MCU. In event of a suspension failure, we will - * re-DCT the MCU on restart (a bit inefficient, could be fixed...) - */ - if (! (*cinfo->entropy->encode_mcu) (cinfo, coef->MCU_buffer)) { - /* Suspension forced; update state counters and exit */ - coef->MCU_vert_offset = yoffset; - coef->mcu_ctr = MCU_col_num; - return FALSE; - } - } - /* Completed an MCU row, but perhaps not an iMCU row */ - coef->mcu_ctr = 0; - } - /* Completed the iMCU row, advance counters for next one */ - coef->iMCU_row_num++; - start_iMCU_row(cinfo); - return TRUE; -} - - -#ifdef FULL_COEF_BUFFER_SUPPORTED - -/* - * Process some data in the first pass of a multi-pass case. - * We process the equivalent of one fully interleaved MCU row ("iMCU" row) - * per call, ie, v_samp_factor block rows for each component in the image. - * This amount of data is read from the source buffer, DCT'd and quantized, - * and saved into the virtual arrays. We also generate suitable dummy blocks - * as needed at the right and lower edges. (The dummy blocks are constructed - * in the virtual arrays, which have been padded appropriately.) This makes - * it possible for subsequent passes not to worry about real vs. dummy blocks. - * - * We must also emit the data to the entropy encoder. This is conveniently - * done by calling compress_output() after we've loaded the current strip - * of the virtual arrays. - * - * NB: input_buf contains a plane for each component in image. All - * components are DCT'd and loaded into the virtual arrays in this pass. - * However, it may be that only a subset of the components are emitted to - * the entropy encoder during this first pass; be careful about looking - * at the scan-dependent variables (MCU dimensions, etc). - */ - -METHODDEF(boolean) -compress_first_pass (j_compress_ptr cinfo, JSAMPIMAGE input_buf) -{ - my_coef_ptr coef = (my_coef_ptr) cinfo->coef; - JDIMENSION last_iMCU_row = cinfo->total_iMCU_rows - 1; - JDIMENSION blocks_across, MCUs_across, MCUindex; - int bi, ci, h_samp_factor, block_row, block_rows, ndummy; - JCOEF lastDC; - jpeg_component_info *compptr; - JBLOCKARRAY buffer; - JBLOCKROW thisblockrow, lastblockrow; - - for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; - ci++, compptr++) { - /* Align the virtual buffer for this component. */ - buffer = (*cinfo->mem->access_virt_barray) - ((j_common_ptr) cinfo, coef->whole_image[ci], - coef->iMCU_row_num * compptr->v_samp_factor, - (JDIMENSION) compptr->v_samp_factor, TRUE); - /* Count non-dummy DCT block rows in this iMCU row. */ - if (coef->iMCU_row_num < last_iMCU_row) - block_rows = compptr->v_samp_factor; - else { - /* NB: can't use last_row_height here, since may not be set! */ - block_rows = (int) (compptr->height_in_blocks % compptr->v_samp_factor); - if (block_rows == 0) block_rows = compptr->v_samp_factor; - } - blocks_across = compptr->width_in_blocks; - h_samp_factor = compptr->h_samp_factor; - /* Count number of dummy blocks to be added at the right margin. */ - ndummy = (int) (blocks_across % h_samp_factor); - if (ndummy > 0) - ndummy = h_samp_factor - ndummy; - /* Perform DCT for all non-dummy blocks in this iMCU row. Each call - * on forward_DCT processes a complete horizontal row of DCT blocks. - */ - for (block_row = 0; block_row < block_rows; block_row++) { - thisblockrow = buffer[block_row]; - (*cinfo->fdct->forward_DCT) (cinfo, compptr, - input_buf[ci], thisblockrow, - (JDIMENSION) (block_row * DCTSIZE), - (JDIMENSION) 0, blocks_across); - if (ndummy > 0) { - /* Create dummy blocks at the right edge of the image. */ - thisblockrow += blocks_across; /* => first dummy block */ - jzero_far((void FAR *) thisblockrow, ndummy * SIZEOF(JBLOCK)); - lastDC = thisblockrow[-1][0]; - for (bi = 0; bi < ndummy; bi++) { - thisblockrow[bi][0] = lastDC; - } - } - } - /* If at end of image, create dummy block rows as needed. - * The tricky part here is that within each MCU, we want the DC values - * of the dummy blocks to match the last real block's DC value. - * This squeezes a few more bytes out of the resulting file... - */ - if (coef->iMCU_row_num == last_iMCU_row) { - blocks_across += ndummy; /* include lower right corner */ - MCUs_across = blocks_across / h_samp_factor; - for (block_row = block_rows; block_row < compptr->v_samp_factor; - block_row++) { - thisblockrow = buffer[block_row]; - lastblockrow = buffer[block_row-1]; - jzero_far((void FAR *) thisblockrow, - (size_t) (blocks_across * SIZEOF(JBLOCK))); - for (MCUindex = 0; MCUindex < MCUs_across; MCUindex++) { - lastDC = lastblockrow[h_samp_factor-1][0]; - for (bi = 0; bi < h_samp_factor; bi++) { - thisblockrow[bi][0] = lastDC; - } - thisblockrow += h_samp_factor; /* advance to next MCU in row */ - lastblockrow += h_samp_factor; - } - } - } - } - /* NB: compress_output will increment iMCU_row_num if successful. - * A suspension return will result in redoing all the work above next time. - */ - - /* Emit data to the entropy encoder, sharing code with subsequent passes */ - return compress_output(cinfo, input_buf); -} - - -/* - * Process some data in subsequent passes of a multi-pass case. - * We process the equivalent of one fully interleaved MCU row ("iMCU" row) - * per call, ie, v_samp_factor block rows for each component in the scan. - * The data is obtained from the virtual arrays and fed to the entropy coder. - * Returns TRUE if the iMCU row is completed, FALSE if suspended. - * - * NB: input_buf is ignored; it is likely to be a NULL pointer. - */ - -METHODDEF(boolean) -compress_output (j_compress_ptr cinfo, JSAMPIMAGE input_buf) -{ - my_coef_ptr coef = (my_coef_ptr) cinfo->coef; - JDIMENSION MCU_col_num; /* index of current MCU within row */ - int blkn, ci, xindex, yindex, yoffset; - JDIMENSION start_col; - JBLOCKARRAY buffer[MAX_COMPS_IN_SCAN]; - JBLOCKROW buffer_ptr; - jpeg_component_info *compptr; - - /* Align the virtual buffers for the components used in this scan. - * NB: during first pass, this is safe only because the buffers will - * already be aligned properly, so jmemmgr.c won't need to do any I/O. - */ - for (ci = 0; ci < cinfo->comps_in_scan; ci++) { - compptr = cinfo->cur_comp_info[ci]; - buffer[ci] = (*cinfo->mem->access_virt_barray) - ((j_common_ptr) cinfo, coef->whole_image[compptr->component_index], - coef->iMCU_row_num * compptr->v_samp_factor, - (JDIMENSION) compptr->v_samp_factor, FALSE); - } - - /* Loop to process one whole iMCU row */ - for (yoffset = coef->MCU_vert_offset; yoffset < coef->MCU_rows_per_iMCU_row; - yoffset++) { - for (MCU_col_num = coef->mcu_ctr; MCU_col_num < cinfo->MCUs_per_row; - MCU_col_num++) { - /* Construct list of pointers to DCT blocks belonging to this MCU */ - blkn = 0; /* index of current DCT block within MCU */ - for (ci = 0; ci < cinfo->comps_in_scan; ci++) { - compptr = cinfo->cur_comp_info[ci]; - start_col = MCU_col_num * compptr->MCU_width; - for (yindex = 0; yindex < compptr->MCU_height; yindex++) { - buffer_ptr = buffer[ci][yindex+yoffset] + start_col; - for (xindex = 0; xindex < compptr->MCU_width; xindex++) { - coef->MCU_buffer[blkn++] = buffer_ptr++; - } - } - } - /* Try to write the MCU. */ - if (! (*cinfo->entropy->encode_mcu) (cinfo, coef->MCU_buffer)) { - /* Suspension forced; update state counters and exit */ - coef->MCU_vert_offset = yoffset; - coef->mcu_ctr = MCU_col_num; - return FALSE; - } - } - /* Completed an MCU row, but perhaps not an iMCU row */ - coef->mcu_ctr = 0; - } - /* Completed the iMCU row, advance counters for next one */ - coef->iMCU_row_num++; - start_iMCU_row(cinfo); - return TRUE; -} - -#endif /* FULL_COEF_BUFFER_SUPPORTED */ - - -/* - * Initialize coefficient buffer controller. - */ - -GLOBAL(void) -jinit_c_coef_controller (j_compress_ptr cinfo, boolean need_full_buffer) -{ - my_coef_ptr coef; - - coef = (my_coef_ptr) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(my_coef_controller)); - cinfo->coef = (struct jpeg_c_coef_controller *) coef; - coef->pub.start_pass = start_pass_coef; - - /* Create the coefficient buffer. */ - if (need_full_buffer) { -#ifdef FULL_COEF_BUFFER_SUPPORTED - /* Allocate a full-image virtual array for each component, */ - /* padded to a multiple of samp_factor DCT blocks in each direction. */ - int ci; - jpeg_component_info *compptr; - - for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; - ci++, compptr++) { - coef->whole_image[ci] = (*cinfo->mem->request_virt_barray) - ((j_common_ptr) cinfo, JPOOL_IMAGE, FALSE, - (JDIMENSION) jround_up((long) compptr->width_in_blocks, - (long) compptr->h_samp_factor), - (JDIMENSION) jround_up((long) compptr->height_in_blocks, - (long) compptr->v_samp_factor), - (JDIMENSION) compptr->v_samp_factor); - } -#else - ERREXIT(cinfo, JERR_BAD_BUFFER_MODE); -#endif - } else { - /* We only need a single-MCU buffer. */ - JBLOCKROW buffer; - int i; - - buffer = (JBLOCKROW) - (*cinfo->mem->alloc_large) ((j_common_ptr) cinfo, JPOOL_IMAGE, - C_MAX_BLOCKS_IN_MCU * SIZEOF(JBLOCK)); - for (i = 0; i < C_MAX_BLOCKS_IN_MCU; i++) { - coef->MCU_buffer[i] = buffer + i; - } - coef->whole_image[0] = NULL; /* flag for no virtual arrays */ - } -} diff --git a/common/jpeg/jccolor.c b/common/jpeg/jccolor.c deleted file mode 100644 index 05da6041..00000000 --- a/common/jpeg/jccolor.c +++ /dev/null @@ -1,567 +0,0 @@ -/* - * jccolor.c - * - * Copyright (C) 1991-1996, Thomas G. Lane. - * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB - * Copyright 2009 D. R. Commander - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains input colorspace conversion routines. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" -#include "jsimd.h" - - -/* Private subobject */ - -typedef struct { - struct jpeg_color_converter pub; /* public fields */ - - /* Private state for RGB->YCC conversion */ - INT32 * rgb_ycc_tab; /* => table for RGB to YCbCr conversion */ -} my_color_converter; - -typedef my_color_converter * my_cconvert_ptr; - - -/**************** RGB -> YCbCr conversion: most common case **************/ - -/* - * YCbCr is defined per CCIR 601-1, except that Cb and Cr are - * normalized to the range 0..MAXJSAMPLE rather than -0.5 .. 0.5. - * The conversion equations to be implemented are therefore - * Y = 0.29900 * R + 0.58700 * G + 0.11400 * B - * Cb = -0.16874 * R - 0.33126 * G + 0.50000 * B + CENTERJSAMPLE - * Cr = 0.50000 * R - 0.41869 * G - 0.08131 * B + CENTERJSAMPLE - * (These numbers are derived from TIFF 6.0 section 21, dated 3-June-92.) - * Note: older versions of the IJG code used a zero offset of MAXJSAMPLE/2, - * rather than CENTERJSAMPLE, for Cb and Cr. This gave equal positive and - * negative swings for Cb/Cr, but meant that grayscale values (Cb=Cr=0) - * were not represented exactly. Now we sacrifice exact representation of - * maximum red and maximum blue in order to get exact grayscales. - * - * To avoid floating-point arithmetic, we represent the fractional constants - * as integers scaled up by 2^16 (about 4 digits precision); we have to divide - * the products by 2^16, with appropriate rounding, to get the correct answer. - * - * For even more speed, we avoid doing any multiplications in the inner loop - * by precalculating the constants times R,G,B for all possible values. - * For 8-bit JSAMPLEs this is very reasonable (only 256 entries per table); - * for 12-bit samples it is still acceptable. It's not very reasonable for - * 16-bit samples, but if you want lossless storage you shouldn't be changing - * colorspace anyway. - * The CENTERJSAMPLE offsets and the rounding fudge-factor of 0.5 are included - * in the tables to save adding them separately in the inner loop. - */ - -#define SCALEBITS 16 /* speediest right-shift on some machines */ -#define CBCR_OFFSET ((INT32) CENTERJSAMPLE << SCALEBITS) -#define ONE_HALF ((INT32) 1 << (SCALEBITS-1)) -#define FIX(x) ((INT32) ((x) * (1L<<SCALEBITS) + 0.5)) - -/* We allocate one big table and divide it up into eight parts, instead of - * doing eight alloc_small requests. This lets us use a single table base - * address, which can be held in a register in the inner loops on many - * machines (more than can hold all eight addresses, anyway). - */ - -#define R_Y_OFF 0 /* offset to R => Y section */ -#define G_Y_OFF (1*(MAXJSAMPLE+1)) /* offset to G => Y section */ -#define B_Y_OFF (2*(MAXJSAMPLE+1)) /* etc. */ -#define R_CB_OFF (3*(MAXJSAMPLE+1)) -#define G_CB_OFF (4*(MAXJSAMPLE+1)) -#define B_CB_OFF (5*(MAXJSAMPLE+1)) -#define R_CR_OFF B_CB_OFF /* B=>Cb, R=>Cr are the same */ -#define G_CR_OFF (6*(MAXJSAMPLE+1)) -#define B_CR_OFF (7*(MAXJSAMPLE+1)) -#define TABLE_SIZE (8*(MAXJSAMPLE+1)) - - -#if BITS_IN_JSAMPLE == 8 - -const unsigned char red_lut[256] = { - 0 , 0 , 1 , 1 , 1 , 1 , 2 , 2 , 2 , 3 , 3 , 3 , 4 , 4 , 4 , 4 , - 5 , 5 , 5 , 6 , 6 , 6 , 7 , 7 , 7 , 7 , 8 , 8 , 8 , 9 , 9 , 9 , - 10, 10, 10, 10, 11, 11, 11, 12, 12, 12, 13, 13, 13, 13, 14, 14, - 14, 15, 15, 15, 16, 16, 16, 16, 17, 17, 17, 18, 18, 18, 19, 19, - 19, 19, 20, 20, 20, 21, 21, 21, 22, 22, 22, 22, 23, 23, 23, 24, - 24, 24, 25, 25, 25, 25, 26, 26, 26, 27, 27, 27, 28, 28, 28, 28, - 29, 29, 29, 30, 30, 30, 30, 31, 31, 31, 32, 32, 32, 33, 33, 33, - 33, 34, 34, 34, 35, 35, 35, 36, 36, 36, 36, 37, 37, 37, 38, 38, - 38, 39, 39, 39, 39, 40, 40, 40, 41, 41, 41, 42, 42, 42, 42, 43, - 43, 43, 44, 44, 44, 45, 45, 45, 45, 46, 46, 46, 47, 47, 47, 48, - 48, 48, 48, 49, 49, 49, 50, 50, 50, 51, 51, 51, 51, 52, 52, 52, - 53, 53, 53, 54, 54, 54, 54, 55, 55, 55, 56, 56, 56, 57, 57, 57, - 57, 58, 58, 58, 59, 59, 59, 60, 60, 60, 60, 61, 61, 61, 62, 62, - 62, 62, 63, 63, 63, 64, 64, 64, 65, 65, 65, 65, 66, 66, 66, 67, - 67, 67, 68, 68, 68, 68, 69, 69, 69, 70, 70, 70, 71, 71, 71, 71, - 72, 72, 72, 73, 73, 73, 74, 74, 74, 74, 75, 75, 75, 76, 76, 76 -}; - -const unsigned char green_lut[256] = { - 0 , 1 , 1 , 2 , 2 , 3 , 4 , 4 , 5 , 5 , 6 , 6 , - 7 , 8 , 8 , 9 , 9 , 10 , 11 , 11 , 12 , 12 , 13 , 14 , - 14 , 15 , 15 , 16 , 16 , 17 , 18 , 18 , 19 , 19 , 20 , 21 , - 21 , 22 , 22 , 23 , 23 , 24 , 25 , 25 , 26 , 26 , 27 , 28 , - 28 , 29 , 29 , 30 , 31 , 31 , 32 , 32 , 33 , 33 , 34 , 35 , - 35 , 36 , 36 , 37 , 38 , 38 , 39 , 39 , 40 , 41 , 41 , 42 , - 42 , 43 , 43 , 44 , 45 , 45 , 46 , 46 , 47 , 48 , 48 , 49 , - 49 , 50 , 50 , 51 , 52 , 52 , 53 , 53 , 54 , 55 , 55 , 56 , - 56 , 57 , 58 , 58 , 59 , 59 , 60 , 60 , 61 , 62 , 62 , 63 , - 63 , 64 , 65 , 65 , 66 , 66 , 67 , 68 , 68 , 69 , 69 , 70 , - 70 , 71 , 72 , 72 , 73 , 73 , 74 , 75 , 75 , 76 , 76 , 77 , - 77 , 78 , 79 , 79 , 80 , 80 , 81 , 82 , 82 , 83 , 83 , 84 , - 85 , 85 , 86 , 86 , 87 , 87 , 88 , 89 , 89 , 90 , 90 , 91 , - 92 , 92 , 93 , 93 , 94 , 95 , 95 , 96 , 96 , 97 , 97 , 98 , - 99 , 99 , 100, 100, 101, 102, 102, 103, 103, 104, 104, 105, - 106, 106, 107, 107, 108, 109, 109, 110, 110, 111, 112, 112, - 113, 113, 114, 114, 115, 116, 116, 117, 117, 118, 119, 119, - 120, 120, 121, 122, 122, 123, 123, 124, 124, 125, 126, 126, - 127, 127, 128, 129, 129, 130, 130, 131, 131, 132, 133, 133, - 134, 134, 135, 136, 136, 137, 137, 138, 139, 139, 140, 140, - 141, 141, 142, 143, 143, 144, 144, 145, 146, 146, 147, 147, - 148, 149, 149, 150 -}; - -const unsigned char blue_lut[256] = { - 0 , 0 , 0 , 0 , 0 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 1 , 2 , 2 , - 2 , 2 , 2 , 2 , 2 , 2 , 3 , 3 , 3 , 3 , 3 , 3 , 3 , 3 , 3 , 4 , - 4 , 4 , 4 , 4 , 4 , 4 , 4 , 4 , 5 , 5 , 5 , 5 , 5 , 5 , 5 , 5 , - 5 , 6 , 6 , 6 , 6 , 6 , 6 , 6 , 6 , 6 , 7 , 7 , 7 , 7 , 7 , 7 , - 7 , 7 , 8 , 8 , 8 , 8 , 8 , 8 , 8 , 8 , 8 , 9 , 9 , 9 , 9 , 9 , - 9 , 9 , 9 , 9 , 10, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, - 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 13, 13, - 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, - 15, 15, 15, 15, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16, - 16, 17, 17, 17, 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, - 18, 18, 18, 19, 19, 19, 19, 19, 19, 19, 19, 19, 20, 20, 20, 20, - 20, 20, 20, 20, 21, 21, 21, 21, 21, 21, 21, 21, 21, 22, 22, 22, - 22, 22, 22, 22, 22, 22, 23, 23, 23, 23, 23, 23, 23, 23, 23, 24, - 24, 24, 24, 24, 24, 24, 24, 25, 25, 25, 25, 25, 25, 25, 25, 25, - 26, 26, 26, 26, 26, 26, 26, 26, 26, 27, 27, 27, 27, 27, 27, 27, - 27, 27, 28, 28, 28, 28, 28, 28, 28, 28, 29, 29, 29, 29, 29, 29 -}; - -#endif - - -/* - * Initialize for RGB->YCC colorspace conversion. - */ - -METHODDEF(void) -rgb_ycc_start (j_compress_ptr cinfo) -{ - my_cconvert_ptr cconvert = (my_cconvert_ptr) cinfo->cconvert; - INT32 * rgb_ycc_tab; - INT32 i; - - /* Allocate and fill in the conversion tables. */ - cconvert->rgb_ycc_tab = rgb_ycc_tab = (INT32 *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - (TABLE_SIZE * SIZEOF(INT32))); - - for (i = 0; i <= MAXJSAMPLE; i++) { - rgb_ycc_tab[i+R_Y_OFF] = FIX(0.29900) * i; - rgb_ycc_tab[i+G_Y_OFF] = FIX(0.58700) * i; - rgb_ycc_tab[i+B_Y_OFF] = FIX(0.11400) * i + ONE_HALF; - rgb_ycc_tab[i+R_CB_OFF] = (-FIX(0.16874)) * i; - rgb_ycc_tab[i+G_CB_OFF] = (-FIX(0.33126)) * i; - /* We use a rounding fudge-factor of 0.5-epsilon for Cb and Cr. - * This ensures that the maximum output will round to MAXJSAMPLE - * not MAXJSAMPLE+1, and thus that we don't have to range-limit. - */ - rgb_ycc_tab[i+B_CB_OFF] = FIX(0.50000) * i + CBCR_OFFSET + ONE_HALF-1; -/* B=>Cb and R=>Cr tables are the same - rgb_ycc_tab[i+R_CR_OFF] = FIX(0.50000) * i + CBCR_OFFSET + ONE_HALF-1; -*/ - rgb_ycc_tab[i+G_CR_OFF] = (-FIX(0.41869)) * i; - rgb_ycc_tab[i+B_CR_OFF] = (-FIX(0.08131)) * i; - } -} - - -/* - * Convert some rows of samples to the JPEG colorspace. - * - * Note that we change from the application's interleaved-pixel format - * to our internal noninterleaved, one-plane-per-component format. - * The input buffer is therefore three times as wide as the output buffer. - * - * A starting row offset is provided only for the output buffer. The caller - * can easily adjust the passed input_buf value to accommodate any row - * offset required on that side. - */ - -METHODDEF(void) -rgb_ycc_convert (j_compress_ptr cinfo, - JSAMPARRAY input_buf, JSAMPIMAGE output_buf, - JDIMENSION output_row, int num_rows) -{ - my_cconvert_ptr cconvert = (my_cconvert_ptr) cinfo->cconvert; - register int r, g, b; - register INT32 * ctab = cconvert->rgb_ycc_tab; - register JSAMPROW inptr; - register JSAMPROW outptr0, outptr1, outptr2; - register JDIMENSION col; - JDIMENSION num_cols = cinfo->image_width; - - while (--num_rows >= 0) { - inptr = *input_buf++; - outptr0 = output_buf[0][output_row]; - outptr1 = output_buf[1][output_row]; - outptr2 = output_buf[2][output_row]; - output_row++; - for (col = 0; col < num_cols; col++) { - r = GETJSAMPLE(inptr[rgb_red[cinfo->in_color_space]]); - g = GETJSAMPLE(inptr[rgb_green[cinfo->in_color_space]]); - b = GETJSAMPLE(inptr[rgb_blue[cinfo->in_color_space]]); - inptr += rgb_pixelsize[cinfo->in_color_space]; - /* If the inputs are 0..MAXJSAMPLE, the outputs of these equations - * must be too; we do not need an explicit range-limiting operation. - * Hence the value being shifted is never negative, and we don't - * need the general RIGHT_SHIFT macro. - */ - /* Y */ - outptr0[col] = (JSAMPLE) - ((ctab[r+R_Y_OFF] + ctab[g+G_Y_OFF] + ctab[b+B_Y_OFF]) - >> SCALEBITS); - /* Cb */ - outptr1[col] = (JSAMPLE) - ((ctab[r+R_CB_OFF] + ctab[g+G_CB_OFF] + ctab[b+B_CB_OFF]) - >> SCALEBITS); - /* Cr */ - outptr2[col] = (JSAMPLE) - ((ctab[r+R_CR_OFF] + ctab[g+G_CR_OFF] + ctab[b+B_CR_OFF]) - >> SCALEBITS); - } - } -} - - -/**************** Cases other than RGB -> YCbCr **************/ - - -/* - * Convert some rows of samples to the JPEG colorspace. - * This version handles RGB->grayscale conversion, which is the same - * as the RGB->Y portion of RGB->YCbCr. - * We assume rgb_ycc_start has been called (we only use the Y tables). - */ - -METHODDEF(void) -rgb_gray_convert (j_compress_ptr cinfo, - JSAMPARRAY input_buf, JSAMPIMAGE output_buf, - JDIMENSION output_row, int num_rows) -{ - my_cconvert_ptr cconvert = (my_cconvert_ptr) cinfo->cconvert; - #if BITS_IN_JSAMPLE != 8 - register INT32 * ctab = cconvert->rgb_ycc_tab; - #endif - register JSAMPROW inptr; - register JSAMPROW outptr; - JSAMPLE *maxoutptr; - register JDIMENSION col; - JDIMENSION num_cols = cinfo->image_width; - int rindex = rgb_red[cinfo->in_color_space]; - int gindex = rgb_green[cinfo->in_color_space]; - int bindex = rgb_blue[cinfo->in_color_space]; - int rgbstride = rgb_pixelsize[cinfo->in_color_space]; - - while (--num_rows >= 0) { - inptr = *input_buf++; - outptr = output_buf[0][output_row]; - maxoutptr = &outptr[num_cols]; - output_row++; - for (; outptr < maxoutptr; outptr++, inptr += rgbstride) { - /* Y */ - #if BITS_IN_JSAMPLE == 8 - *outptr = red_lut[inptr[rindex]] + green_lut[inptr[gindex]] - + blue_lut[inptr[bindex]]; - #else - *outptr = (JSAMPLE) - ((ctab[GETJSAMPLE(inptr[rindex])+R_Y_OFF] - + ctab[GETJSAMPLE(inptr[gindex])+G_Y_OFF] - + ctab[GETJSAMPLE(inptr[bindex])+B_Y_OFF]) - >> SCALEBITS); - #endif - } - } -} - - -/* - * Convert some rows of samples to the JPEG colorspace. - * This version handles Adobe-style CMYK->YCCK conversion, - * where we convert R=1-C, G=1-M, and B=1-Y to YCbCr using the same - * conversion as above, while passing K (black) unchanged. - * We assume rgb_ycc_start has been called. - */ - -METHODDEF(void) -cmyk_ycck_convert (j_compress_ptr cinfo, - JSAMPARRAY input_buf, JSAMPIMAGE output_buf, - JDIMENSION output_row, int num_rows) -{ - my_cconvert_ptr cconvert = (my_cconvert_ptr) cinfo->cconvert; - register int r, g, b; - register INT32 * ctab = cconvert->rgb_ycc_tab; - register JSAMPROW inptr; - register JSAMPROW outptr0, outptr1, outptr2, outptr3; - register JDIMENSION col; - JDIMENSION num_cols = cinfo->image_width; - - while (--num_rows >= 0) { - inptr = *input_buf++; - outptr0 = output_buf[0][output_row]; - outptr1 = output_buf[1][output_row]; - outptr2 = output_buf[2][output_row]; - outptr3 = output_buf[3][output_row]; - output_row++; - for (col = 0; col < num_cols; col++) { - r = MAXJSAMPLE - GETJSAMPLE(inptr[0]); - g = MAXJSAMPLE - GETJSAMPLE(inptr[1]); - b = MAXJSAMPLE - GETJSAMPLE(inptr[2]); - /* K passes through as-is */ - outptr3[col] = inptr[3]; /* don't need GETJSAMPLE here */ - inptr += 4; - /* If the inputs are 0..MAXJSAMPLE, the outputs of these equations - * must be too; we do not need an explicit range-limiting operation. - * Hence the value being shifted is never negative, and we don't - * need the general RIGHT_SHIFT macro. - */ - /* Y */ - outptr0[col] = (JSAMPLE) - ((ctab[r+R_Y_OFF] + ctab[g+G_Y_OFF] + ctab[b+B_Y_OFF]) - >> SCALEBITS); - /* Cb */ - outptr1[col] = (JSAMPLE) - ((ctab[r+R_CB_OFF] + ctab[g+G_CB_OFF] + ctab[b+B_CB_OFF]) - >> SCALEBITS); - /* Cr */ - outptr2[col] = (JSAMPLE) - ((ctab[r+R_CR_OFF] + ctab[g+G_CR_OFF] + ctab[b+B_CR_OFF]) - >> SCALEBITS); - } - } -} - - -/* - * Convert some rows of samples to the JPEG colorspace. - * This version handles grayscale output with no conversion. - * The source can be either plain grayscale or YCbCr (since Y == gray). - */ - -METHODDEF(void) -grayscale_convert (j_compress_ptr cinfo, - JSAMPARRAY input_buf, JSAMPIMAGE output_buf, - JDIMENSION output_row, int num_rows) -{ - register JSAMPROW inptr; - register JSAMPROW outptr; - register JDIMENSION col; - JDIMENSION num_cols = cinfo->image_width; - int instride = cinfo->input_components; - - while (--num_rows >= 0) { - inptr = *input_buf++; - outptr = output_buf[0][output_row]; - output_row++; - for (col = 0; col < num_cols; col++) { - outptr[col] = inptr[0]; /* don't need GETJSAMPLE() here */ - inptr += instride; - } - } -} - - -/* - * Convert some rows of samples to the JPEG colorspace. - * This version handles multi-component colorspaces without conversion. - * We assume input_components == num_components. - */ - -METHODDEF(void) -null_convert (j_compress_ptr cinfo, - JSAMPARRAY input_buf, JSAMPIMAGE output_buf, - JDIMENSION output_row, int num_rows) -{ - register JSAMPROW inptr; - register JSAMPROW outptr; - register JDIMENSION col; - register int ci; - int nc = cinfo->num_components; - JDIMENSION num_cols = cinfo->image_width; - - while (--num_rows >= 0) { - /* It seems fastest to make a separate pass for each component. */ - for (ci = 0; ci < nc; ci++) { - inptr = *input_buf; - outptr = output_buf[ci][output_row]; - for (col = 0; col < num_cols; col++) { - outptr[col] = inptr[ci]; /* don't need GETJSAMPLE() here */ - inptr += nc; - } - } - input_buf++; - output_row++; - } -} - - -/* - * Empty method for start_pass. - */ - -METHODDEF(void) -null_method (j_compress_ptr cinfo) -{ - /* no work needed */ -} - - -/* - * Module initialization routine for input colorspace conversion. - */ - -GLOBAL(void) -jinit_color_converter (j_compress_ptr cinfo) -{ - my_cconvert_ptr cconvert; - - cconvert = (my_cconvert_ptr) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(my_color_converter)); - cinfo->cconvert = (struct jpeg_color_converter *) cconvert; - /* set start_pass to null method until we find out differently */ - cconvert->pub.start_pass = null_method; - - /* Make sure input_components agrees with in_color_space */ - switch (cinfo->in_color_space) { - case JCS_GRAYSCALE: - if (cinfo->input_components != 1) - ERREXIT(cinfo, JERR_BAD_IN_COLORSPACE); - break; - - case JCS_RGB: - case JCS_EXT_RGB: - case JCS_EXT_RGBX: - case JCS_EXT_BGR: - case JCS_EXT_BGRX: - case JCS_EXT_XBGR: - case JCS_EXT_XRGB: - if (cinfo->input_components != rgb_pixelsize[cinfo->in_color_space]) - ERREXIT(cinfo, JERR_BAD_IN_COLORSPACE); - break; - - case JCS_YCbCr: - if (cinfo->input_components != 3) - ERREXIT(cinfo, JERR_BAD_IN_COLORSPACE); - break; - - case JCS_CMYK: - case JCS_YCCK: - if (cinfo->input_components != 4) - ERREXIT(cinfo, JERR_BAD_IN_COLORSPACE); - break; - - default: /* JCS_UNKNOWN can be anything */ - if (cinfo->input_components < 1) - ERREXIT(cinfo, JERR_BAD_IN_COLORSPACE); - break; - } - - /* Check num_components, set conversion method based on requested space */ - switch (cinfo->jpeg_color_space) { - case JCS_GRAYSCALE: - if (cinfo->num_components != 1) - ERREXIT(cinfo, JERR_BAD_J_COLORSPACE); - if (cinfo->in_color_space == JCS_GRAYSCALE) - cconvert->pub.color_convert = grayscale_convert; - else if (cinfo->in_color_space == JCS_RGB || - cinfo->in_color_space == JCS_EXT_RGB || - cinfo->in_color_space == JCS_EXT_RGBX || - cinfo->in_color_space == JCS_EXT_BGR || - cinfo->in_color_space == JCS_EXT_BGRX || - cinfo->in_color_space == JCS_EXT_XBGR || - cinfo->in_color_space == JCS_EXT_XRGB) { - cconvert->pub.start_pass = rgb_ycc_start; - cconvert->pub.color_convert = rgb_gray_convert; - } else if (cinfo->in_color_space == JCS_YCbCr) - cconvert->pub.color_convert = grayscale_convert; - else - ERREXIT(cinfo, JERR_CONVERSION_NOTIMPL); - break; - - case JCS_RGB: - case JCS_EXT_RGB: - case JCS_EXT_RGBX: - case JCS_EXT_BGR: - case JCS_EXT_BGRX: - case JCS_EXT_XBGR: - case JCS_EXT_XRGB: - if (cinfo->num_components != 3) - ERREXIT(cinfo, JERR_BAD_J_COLORSPACE); - if (cinfo->in_color_space == cinfo->jpeg_color_space && - rgb_pixelsize[cinfo->in_color_space] == 3) - cconvert->pub.color_convert = null_convert; - else - ERREXIT(cinfo, JERR_CONVERSION_NOTIMPL); - break; - - case JCS_YCbCr: - if (cinfo->num_components != 3) - ERREXIT(cinfo, JERR_BAD_J_COLORSPACE); - if (cinfo->in_color_space == JCS_RGB || - cinfo->in_color_space == JCS_EXT_RGB || - cinfo->in_color_space == JCS_EXT_RGBX || - cinfo->in_color_space == JCS_EXT_BGR || - cinfo->in_color_space == JCS_EXT_BGRX || - cinfo->in_color_space == JCS_EXT_XBGR || - cinfo->in_color_space == JCS_EXT_XRGB) { - if (jsimd_can_rgb_ycc()) - cconvert->pub.color_convert = jsimd_rgb_ycc_convert; - else { - cconvert->pub.start_pass = rgb_ycc_start; - cconvert->pub.color_convert = rgb_ycc_convert; - } - } else if (cinfo->in_color_space == JCS_YCbCr) - cconvert->pub.color_convert = null_convert; - else - ERREXIT(cinfo, JERR_CONVERSION_NOTIMPL); - break; - - case JCS_CMYK: - if (cinfo->num_components != 4) - ERREXIT(cinfo, JERR_BAD_J_COLORSPACE); - if (cinfo->in_color_space == JCS_CMYK) - cconvert->pub.color_convert = null_convert; - else - ERREXIT(cinfo, JERR_CONVERSION_NOTIMPL); - break; - - case JCS_YCCK: - if (cinfo->num_components != 4) - ERREXIT(cinfo, JERR_BAD_J_COLORSPACE); - if (cinfo->in_color_space == JCS_CMYK) { - cconvert->pub.start_pass = rgb_ycc_start; - cconvert->pub.color_convert = cmyk_ycck_convert; - } else if (cinfo->in_color_space == JCS_YCCK) - cconvert->pub.color_convert = null_convert; - else - ERREXIT(cinfo, JERR_CONVERSION_NOTIMPL); - break; - - default: /* allow null conversion of JCS_UNKNOWN */ - if (cinfo->jpeg_color_space != cinfo->in_color_space || - cinfo->num_components != cinfo->input_components) - ERREXIT(cinfo, JERR_CONVERSION_NOTIMPL); - cconvert->pub.color_convert = null_convert; - break; - } -} diff --git a/common/jpeg/jcdctmgr.c b/common/jpeg/jcdctmgr.c deleted file mode 100644 index 711f9dab..00000000 --- a/common/jpeg/jcdctmgr.c +++ /dev/null @@ -1,642 +0,0 @@ -/* - * jcdctmgr.c - * - * Copyright (C) 1994-1996, Thomas G. Lane. - * Copyright (C) 1999-2006, MIYASAKA Masaru. - * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB - * Copyright (C) 2011 D. R. Commander - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains the forward-DCT management logic. - * This code selects a particular DCT implementation to be used, - * and it performs related housekeeping chores including coefficient - * quantization. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" -#include "jdct.h" /* Private declarations for DCT subsystem */ -#include "jsimddct.h" - - -/* Private subobject for this module */ - -typedef JMETHOD(void, forward_DCT_method_ptr, (DCTELEM * data)); -typedef JMETHOD(void, float_DCT_method_ptr, (FAST_FLOAT * data)); - -typedef JMETHOD(void, convsamp_method_ptr, - (JSAMPARRAY sample_data, JDIMENSION start_col, - DCTELEM * workspace)); -typedef JMETHOD(void, float_convsamp_method_ptr, - (JSAMPARRAY sample_data, JDIMENSION start_col, - FAST_FLOAT *workspace)); - -typedef JMETHOD(void, quantize_method_ptr, - (JCOEFPTR coef_block, DCTELEM * divisors, - DCTELEM * workspace)); -typedef JMETHOD(void, float_quantize_method_ptr, - (JCOEFPTR coef_block, FAST_FLOAT * divisors, - FAST_FLOAT * workspace)); - -METHODDEF(void) quantize (JCOEFPTR, DCTELEM *, DCTELEM *); - -typedef struct { - struct jpeg_forward_dct pub; /* public fields */ - - /* Pointer to the DCT routine actually in use */ - forward_DCT_method_ptr dct; - convsamp_method_ptr convsamp; - quantize_method_ptr quantize; - - /* The actual post-DCT divisors --- not identical to the quant table - * entries, because of scaling (especially for an unnormalized DCT). - * Each table is given in normal array order. - */ - DCTELEM * divisors[NUM_QUANT_TBLS]; - - /* work area for FDCT subroutine */ - DCTELEM * workspace; - -#ifdef DCT_FLOAT_SUPPORTED - /* Same as above for the floating-point case. */ - float_DCT_method_ptr float_dct; - float_convsamp_method_ptr float_convsamp; - float_quantize_method_ptr float_quantize; - FAST_FLOAT * float_divisors[NUM_QUANT_TBLS]; - FAST_FLOAT * float_workspace; -#endif -} my_fdct_controller; - -typedef my_fdct_controller * my_fdct_ptr; - - -/* - * Find the highest bit in an integer through binary search. - */ -LOCAL(int) -flss (UINT16 val) -{ - int bit; - - bit = 16; - - if (!val) - return 0; - - if (!(val & 0xff00)) { - bit -= 8; - val <<= 8; - } - if (!(val & 0xf000)) { - bit -= 4; - val <<= 4; - } - if (!(val & 0xc000)) { - bit -= 2; - val <<= 2; - } - if (!(val & 0x8000)) { - bit -= 1; - val <<= 1; - } - - return bit; -} - -/* - * Compute values to do a division using reciprocal. - * - * This implementation is based on an algorithm described in - * "How to optimize for the Pentium family of microprocessors" - * (http://www.agner.org/assem/). - * More information about the basic algorithm can be found in - * the paper "Integer Division Using Reciprocals" by Robert Alverson. - * - * The basic idea is to replace x/d by x * d^-1. In order to store - * d^-1 with enough precision we shift it left a few places. It turns - * out that this algoright gives just enough precision, and also fits - * into DCTELEM: - * - * b = (the number of significant bits in divisor) - 1 - * r = (word size) + b - * f = 2^r / divisor - * - * f will not be an integer for most cases, so we need to compensate - * for the rounding error introduced: - * - * no fractional part: - * - * result = input >> r - * - * fractional part of f < 0.5: - * - * round f down to nearest integer - * result = ((input + 1) * f) >> r - * - * fractional part of f > 0.5: - * - * round f up to nearest integer - * result = (input * f) >> r - * - * This is the original algorithm that gives truncated results. But we - * want properly rounded results, so we replace "input" with - * "input + divisor/2". - * - * In order to allow SIMD implementations we also tweak the values to - * allow the same calculation to be made at all times: - * - * dctbl[0] = f rounded to nearest integer - * dctbl[1] = divisor / 2 (+ 1 if fractional part of f < 0.5) - * dctbl[2] = 1 << ((word size) * 2 - r) - * dctbl[3] = r - (word size) - * - * dctbl[2] is for stupid instruction sets where the shift operation - * isn't member wise (e.g. MMX). - * - * The reason dctbl[2] and dctbl[3] reduce the shift with (word size) - * is that most SIMD implementations have a "multiply and store top - * half" operation. - * - * Lastly, we store each of the values in their own table instead - * of in a consecutive manner, yet again in order to allow SIMD - * routines. - */ -LOCAL(int) -compute_reciprocal (UINT16 divisor, DCTELEM * dtbl) -{ - UDCTELEM2 fq, fr; - UDCTELEM c; - int b, r; - - b = flss(divisor) - 1; - r = sizeof(DCTELEM) * 8 + b; - - fq = ((UDCTELEM2)1 << r) / divisor; - fr = ((UDCTELEM2)1 << r) % divisor; - - c = divisor / 2; /* for rounding */ - - if (fr == 0) { /* divisor is power of two */ - /* fq will be one bit too large to fit in DCTELEM, so adjust */ - fq >>= 1; - r--; - } else if (fr <= (divisor / 2)) { /* fractional part is < 0.5 */ - c++; - } else { /* fractional part is > 0.5 */ - fq++; - } - - dtbl[DCTSIZE2 * 0] = (DCTELEM) fq; /* reciprocal */ - dtbl[DCTSIZE2 * 1] = (DCTELEM) c; /* correction + roundfactor */ - dtbl[DCTSIZE2 * 2] = (DCTELEM) (1 << (sizeof(DCTELEM)*8*2 - r)); /* scale */ - dtbl[DCTSIZE2 * 3] = (DCTELEM) r - sizeof(DCTELEM)*8; /* shift */ - - if(r <= 16) return 0; - else return 1; -} - -/* - * Initialize for a processing pass. - * Verify that all referenced Q-tables are present, and set up - * the divisor table for each one. - * In the current implementation, DCT of all components is done during - * the first pass, even if only some components will be output in the - * first scan. Hence all components should be examined here. - */ - -METHODDEF(void) -start_pass_fdctmgr (j_compress_ptr cinfo) -{ - my_fdct_ptr fdct = (my_fdct_ptr) cinfo->fdct; - int ci, qtblno, i; - jpeg_component_info *compptr; - JQUANT_TBL * qtbl; - DCTELEM * dtbl; - - for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; - ci++, compptr++) { - qtblno = compptr->quant_tbl_no; - /* Make sure specified quantization table is present */ - if (qtblno < 0 || qtblno >= NUM_QUANT_TBLS || - cinfo->quant_tbl_ptrs[qtblno] == NULL) - ERREXIT1(cinfo, JERR_NO_QUANT_TABLE, qtblno); - qtbl = cinfo->quant_tbl_ptrs[qtblno]; - /* Compute divisors for this quant table */ - /* We may do this more than once for same table, but it's not a big deal */ - switch (cinfo->dct_method) { -#ifdef DCT_ISLOW_SUPPORTED - case JDCT_ISLOW: - /* For LL&M IDCT method, divisors are equal to raw quantization - * coefficients multiplied by 8 (to counteract scaling). - */ - if (fdct->divisors[qtblno] == NULL) { - fdct->divisors[qtblno] = (DCTELEM *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - (DCTSIZE2 * 4) * SIZEOF(DCTELEM)); - } - dtbl = fdct->divisors[qtblno]; - for (i = 0; i < DCTSIZE2; i++) { - if(!compute_reciprocal(qtbl->quantval[i] << 3, &dtbl[i]) - && fdct->quantize == jsimd_quantize) - fdct->quantize = quantize; - } - break; -#endif -#ifdef DCT_IFAST_SUPPORTED - case JDCT_IFAST: - { - /* For AA&N IDCT method, divisors are equal to quantization - * coefficients scaled by scalefactor[row]*scalefactor[col], where - * scalefactor[0] = 1 - * scalefactor[k] = cos(k*PI/16) * sqrt(2) for k=1..7 - * We apply a further scale factor of 8. - */ -#define CONST_BITS 14 - static const INT16 aanscales[DCTSIZE2] = { - /* precomputed values scaled up by 14 bits */ - 16384, 22725, 21407, 19266, 16384, 12873, 8867, 4520, - 22725, 31521, 29692, 26722, 22725, 17855, 12299, 6270, - 21407, 29692, 27969, 25172, 21407, 16819, 11585, 5906, - 19266, 26722, 25172, 22654, 19266, 15137, 10426, 5315, - 16384, 22725, 21407, 19266, 16384, 12873, 8867, 4520, - 12873, 17855, 16819, 15137, 12873, 10114, 6967, 3552, - 8867, 12299, 11585, 10426, 8867, 6967, 4799, 2446, - 4520, 6270, 5906, 5315, 4520, 3552, 2446, 1247 - }; - SHIFT_TEMPS - - if (fdct->divisors[qtblno] == NULL) { - fdct->divisors[qtblno] = (DCTELEM *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - (DCTSIZE2 * 4) * SIZEOF(DCTELEM)); - } - dtbl = fdct->divisors[qtblno]; - for (i = 0; i < DCTSIZE2; i++) { - if(!compute_reciprocal( - DESCALE(MULTIPLY16V16((INT32) qtbl->quantval[i], - (INT32) aanscales[i]), - CONST_BITS-3), &dtbl[i]) - && fdct->quantize == jsimd_quantize) - fdct->quantize = quantize; - } - } - break; -#endif -#ifdef DCT_FLOAT_SUPPORTED - case JDCT_FLOAT: - { - /* For float AA&N IDCT method, divisors are equal to quantization - * coefficients scaled by scalefactor[row]*scalefactor[col], where - * scalefactor[0] = 1 - * scalefactor[k] = cos(k*PI/16) * sqrt(2) for k=1..7 - * We apply a further scale factor of 8. - * What's actually stored is 1/divisor so that the inner loop can - * use a multiplication rather than a division. - */ - FAST_FLOAT * fdtbl; - int row, col; - static const double aanscalefactor[DCTSIZE] = { - 1.0, 1.387039845, 1.306562965, 1.175875602, - 1.0, 0.785694958, 0.541196100, 0.275899379 - }; - - if (fdct->float_divisors[qtblno] == NULL) { - fdct->float_divisors[qtblno] = (FAST_FLOAT *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - DCTSIZE2 * SIZEOF(FAST_FLOAT)); - } - fdtbl = fdct->float_divisors[qtblno]; - i = 0; - for (row = 0; row < DCTSIZE; row++) { - for (col = 0; col < DCTSIZE; col++) { - fdtbl[i] = (FAST_FLOAT) - (1.0 / (((double) qtbl->quantval[i] * - aanscalefactor[row] * aanscalefactor[col] * 8.0))); - i++; - } - } - } - break; -#endif - default: - ERREXIT(cinfo, JERR_NOT_COMPILED); - break; - } - } -} - - -/* - * Load data into workspace, applying unsigned->signed conversion. - */ - -METHODDEF(void) -convsamp (JSAMPARRAY sample_data, JDIMENSION start_col, DCTELEM * workspace) -{ - register DCTELEM *workspaceptr; - register JSAMPROW elemptr; - register int elemr; - - workspaceptr = workspace; - for (elemr = 0; elemr < DCTSIZE; elemr++) { - elemptr = sample_data[elemr] + start_col; - -#if DCTSIZE == 8 /* unroll the inner loop */ - *workspaceptr++ = GETJSAMPLE(*elemptr++) - CENTERJSAMPLE; - *workspaceptr++ = GETJSAMPLE(*elemptr++) - CENTERJSAMPLE; - *workspaceptr++ = GETJSAMPLE(*elemptr++) - CENTERJSAMPLE; - *workspaceptr++ = GETJSAMPLE(*elemptr++) - CENTERJSAMPLE; - *workspaceptr++ = GETJSAMPLE(*elemptr++) - CENTERJSAMPLE; - *workspaceptr++ = GETJSAMPLE(*elemptr++) - CENTERJSAMPLE; - *workspaceptr++ = GETJSAMPLE(*elemptr++) - CENTERJSAMPLE; - *workspaceptr++ = GETJSAMPLE(*elemptr++) - CENTERJSAMPLE; -#else - { - register int elemc; - for (elemc = DCTSIZE; elemc > 0; elemc--) - *workspaceptr++ = GETJSAMPLE(*elemptr++) - CENTERJSAMPLE; - } -#endif - } -} - - -/* - * Quantize/descale the coefficients, and store into coef_blocks[]. - */ - -METHODDEF(void) -quantize (JCOEFPTR coef_block, DCTELEM * divisors, DCTELEM * workspace) -{ - int i; - DCTELEM temp; - UDCTELEM recip, corr, shift; - UDCTELEM2 product; - JCOEFPTR output_ptr = coef_block; - - for (i = 0; i < DCTSIZE2; i++) { - temp = workspace[i]; - recip = divisors[i + DCTSIZE2 * 0]; - corr = divisors[i + DCTSIZE2 * 1]; - shift = divisors[i + DCTSIZE2 * 3]; - - if (temp < 0) { - temp = -temp; - product = (UDCTELEM2)(temp + corr) * recip; - product >>= shift + sizeof(DCTELEM)*8; - temp = product; - temp = -temp; - } else { - product = (UDCTELEM2)(temp + corr) * recip; - product >>= shift + sizeof(DCTELEM)*8; - temp = product; - } - - output_ptr[i] = (JCOEF) temp; - } -} - - -/* - * Perform forward DCT on one or more blocks of a component. - * - * The input samples are taken from the sample_data[] array starting at - * position start_row/start_col, and moving to the right for any additional - * blocks. The quantized coefficients are returned in coef_blocks[]. - */ - -METHODDEF(void) -forward_DCT (j_compress_ptr cinfo, jpeg_component_info * compptr, - JSAMPARRAY sample_data, JBLOCKROW coef_blocks, - JDIMENSION start_row, JDIMENSION start_col, - JDIMENSION num_blocks) -/* This version is used for integer DCT implementations. */ -{ - /* This routine is heavily used, so it's worth coding it tightly. */ - my_fdct_ptr fdct = (my_fdct_ptr) cinfo->fdct; - DCTELEM * divisors = fdct->divisors[compptr->quant_tbl_no]; - DCTELEM * workspace; - JDIMENSION bi; - - /* Make sure the compiler doesn't look up these every pass */ - forward_DCT_method_ptr do_dct = fdct->dct; - convsamp_method_ptr do_convsamp = fdct->convsamp; - quantize_method_ptr do_quantize = fdct->quantize; - workspace = fdct->workspace; - - sample_data += start_row; /* fold in the vertical offset once */ - - for (bi = 0; bi < num_blocks; bi++, start_col += DCTSIZE) { - /* Load data into workspace, applying unsigned->signed conversion */ - (*do_convsamp) (sample_data, start_col, workspace); - - /* Perform the DCT */ - (*do_dct) (workspace); - - /* Quantize/descale the coefficients, and store into coef_blocks[] */ - (*do_quantize) (coef_blocks[bi], divisors, workspace); - } -} - - -#ifdef DCT_FLOAT_SUPPORTED - - -METHODDEF(void) -convsamp_float (JSAMPARRAY sample_data, JDIMENSION start_col, FAST_FLOAT * workspace) -{ - register FAST_FLOAT *workspaceptr; - register JSAMPROW elemptr; - register int elemr; - - workspaceptr = workspace; - for (elemr = 0; elemr < DCTSIZE; elemr++) { - elemptr = sample_data[elemr] + start_col; -#if DCTSIZE == 8 /* unroll the inner loop */ - *workspaceptr++ = (FAST_FLOAT)(GETJSAMPLE(*elemptr++) - CENTERJSAMPLE); - *workspaceptr++ = (FAST_FLOAT)(GETJSAMPLE(*elemptr++) - CENTERJSAMPLE); - *workspaceptr++ = (FAST_FLOAT)(GETJSAMPLE(*elemptr++) - CENTERJSAMPLE); - *workspaceptr++ = (FAST_FLOAT)(GETJSAMPLE(*elemptr++) - CENTERJSAMPLE); - *workspaceptr++ = (FAST_FLOAT)(GETJSAMPLE(*elemptr++) - CENTERJSAMPLE); - *workspaceptr++ = (FAST_FLOAT)(GETJSAMPLE(*elemptr++) - CENTERJSAMPLE); - *workspaceptr++ = (FAST_FLOAT)(GETJSAMPLE(*elemptr++) - CENTERJSAMPLE); - *workspaceptr++ = (FAST_FLOAT)(GETJSAMPLE(*elemptr++) - CENTERJSAMPLE); -#else - { - register int elemc; - for (elemc = DCTSIZE; elemc > 0; elemc--) - *workspaceptr++ = (FAST_FLOAT) - (GETJSAMPLE(*elemptr++) - CENTERJSAMPLE); - } -#endif - } -} - - -METHODDEF(void) -quantize_float (JCOEFPTR coef_block, FAST_FLOAT * divisors, FAST_FLOAT * workspace) -{ - register FAST_FLOAT temp; - register int i; - register JCOEFPTR output_ptr = coef_block; - - for (i = 0; i < DCTSIZE2; i++) { - /* Apply the quantization and scaling factor */ - temp = workspace[i] * divisors[i]; - - /* Round to nearest integer. - * Since C does not specify the direction of rounding for negative - * quotients, we have to force the dividend positive for portability. - * The maximum coefficient size is +-16K (for 12-bit data), so this - * code should work for either 16-bit or 32-bit ints. - */ - output_ptr[i] = (JCOEF) ((int) (temp + (FAST_FLOAT) 16384.5) - 16384); - } -} - - -METHODDEF(void) -forward_DCT_float (j_compress_ptr cinfo, jpeg_component_info * compptr, - JSAMPARRAY sample_data, JBLOCKROW coef_blocks, - JDIMENSION start_row, JDIMENSION start_col, - JDIMENSION num_blocks) -/* This version is used for floating-point DCT implementations. */ -{ - /* This routine is heavily used, so it's worth coding it tightly. */ - my_fdct_ptr fdct = (my_fdct_ptr) cinfo->fdct; - FAST_FLOAT * divisors = fdct->float_divisors[compptr->quant_tbl_no]; - FAST_FLOAT * workspace; - JDIMENSION bi; - - - /* Make sure the compiler doesn't look up these every pass */ - float_DCT_method_ptr do_dct = fdct->float_dct; - float_convsamp_method_ptr do_convsamp = fdct->float_convsamp; - float_quantize_method_ptr do_quantize = fdct->float_quantize; - workspace = fdct->float_workspace; - - sample_data += start_row; /* fold in the vertical offset once */ - - for (bi = 0; bi < num_blocks; bi++, start_col += DCTSIZE) { - /* Load data into workspace, applying unsigned->signed conversion */ - (*do_convsamp) (sample_data, start_col, workspace); - - /* Perform the DCT */ - (*do_dct) (workspace); - - /* Quantize/descale the coefficients, and store into coef_blocks[] */ - (*do_quantize) (coef_blocks[bi], divisors, workspace); - } -} - -#endif /* DCT_FLOAT_SUPPORTED */ - - -/* - * Initialize FDCT manager. - */ - -GLOBAL(void) -jinit_forward_dct (j_compress_ptr cinfo) -{ - my_fdct_ptr fdct; - int i; - - fdct = (my_fdct_ptr) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(my_fdct_controller)); - cinfo->fdct = (struct jpeg_forward_dct *) fdct; - fdct->pub.start_pass = start_pass_fdctmgr; - - /* First determine the DCT... */ - switch (cinfo->dct_method) { -#ifdef DCT_ISLOW_SUPPORTED - case JDCT_ISLOW: - fdct->pub.forward_DCT = forward_DCT; - if (jsimd_can_fdct_islow()) - fdct->dct = jsimd_fdct_islow; - else - fdct->dct = jpeg_fdct_islow; - break; -#endif -#ifdef DCT_IFAST_SUPPORTED - case JDCT_IFAST: - fdct->pub.forward_DCT = forward_DCT; - if (jsimd_can_fdct_ifast()) - fdct->dct = jsimd_fdct_ifast; - else - fdct->dct = jpeg_fdct_ifast; - break; -#endif -#ifdef DCT_FLOAT_SUPPORTED - case JDCT_FLOAT: - fdct->pub.forward_DCT = forward_DCT_float; - if (jsimd_can_fdct_float()) - fdct->float_dct = jsimd_fdct_float; - else - fdct->float_dct = jpeg_fdct_float; - break; -#endif - default: - ERREXIT(cinfo, JERR_NOT_COMPILED); - break; - } - - /* ...then the supporting stages. */ - switch (cinfo->dct_method) { -#ifdef DCT_ISLOW_SUPPORTED - case JDCT_ISLOW: -#endif -#ifdef DCT_IFAST_SUPPORTED - case JDCT_IFAST: -#endif -#if defined(DCT_ISLOW_SUPPORTED) || defined(DCT_IFAST_SUPPORTED) - if (jsimd_can_convsamp()) - fdct->convsamp = jsimd_convsamp; - else - fdct->convsamp = convsamp; - if (jsimd_can_quantize()) - fdct->quantize = jsimd_quantize; - else - fdct->quantize = quantize; - break; -#endif -#ifdef DCT_FLOAT_SUPPORTED - case JDCT_FLOAT: - if (jsimd_can_convsamp_float()) - fdct->float_convsamp = jsimd_convsamp_float; - else - fdct->float_convsamp = convsamp_float; - if (jsimd_can_quantize_float()) - fdct->float_quantize = jsimd_quantize_float; - else - fdct->float_quantize = quantize_float; - break; -#endif - default: - ERREXIT(cinfo, JERR_NOT_COMPILED); - break; - } - - /* Allocate workspace memory */ -#ifdef DCT_FLOAT_SUPPORTED - if (cinfo->dct_method == JDCT_FLOAT) - fdct->float_workspace = (FAST_FLOAT *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(FAST_FLOAT) * DCTSIZE2); - else -#endif - fdct->workspace = (DCTELEM *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(DCTELEM) * DCTSIZE2); - - /* Mark divisor tables unallocated */ - for (i = 0; i < NUM_QUANT_TBLS; i++) { - fdct->divisors[i] = NULL; -#ifdef DCT_FLOAT_SUPPORTED - fdct->float_divisors[i] = NULL; -#endif - } -} diff --git a/common/jpeg/jchuff.c b/common/jpeg/jchuff.c deleted file mode 100644 index b05c8e71..00000000 --- a/common/jpeg/jchuff.c +++ /dev/null @@ -1,1046 +0,0 @@ -/* - * jchuff.c - * - * Copyright (C) 1991-1997, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains Huffman entropy encoding routines. - * - * Much of the complexity here has to do with supporting output suspension. - * If the data destination module demands suspension, we want to be able to - * back up to the start of the current MCU. To do this, we copy state - * variables into local working storage, and update them back to the - * permanent JPEG objects only upon successful completion of an MCU. - */ - -/* Modifications: - * Copyright (C)2007 Sun Microsystems, Inc. - * Copyright (C)2009 D. R. Commander - * - * This library is free software and may be redistributed and/or modified under - * the terms of the wxWindows Library License, Version 3.1 or (at your option) - * any later version. The full license is in the LICENSE.txt file included - * with this distribution. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * wxWindows Library License for more details. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" -#include "jchuff.h" /* Declarations shared with jcphuff.c */ -#include <limits.h> - -static unsigned char jpeg_first_bit_table[65536]; -int jpeg_first_bit_table_init=0; - -#ifndef min - #define min(a,b) ((a)<(b)?(a):(b)) -#endif - -/* Expanded entropy encoder object for Huffman encoding. - * - * The savable_state subrecord contains fields that change within an MCU, - * but must not be updated permanently until we complete the MCU. - */ - -typedef struct { - size_t put_buffer; /* current bit-accumulation buffer */ - int put_bits; /* # of bits now in it */ - int last_dc_val[MAX_COMPS_IN_SCAN]; /* last DC coef for each component */ -} savable_state; - -/* This macro is to work around compilers with missing or broken - * structure assignment. You'll need to fix this code if you have - * such a compiler and you change MAX_COMPS_IN_SCAN. - */ - -#ifndef NO_STRUCT_ASSIGN -#define ASSIGN_STATE(dest,src) ((dest) = (src)) -#else -#if MAX_COMPS_IN_SCAN == 4 -#define ASSIGN_STATE(dest,src) \ - ((dest).put_buffer = (src).put_buffer, \ - (dest).put_bits = (src).put_bits, \ - (dest).last_dc_val[0] = (src).last_dc_val[0], \ - (dest).last_dc_val[1] = (src).last_dc_val[1], \ - (dest).last_dc_val[2] = (src).last_dc_val[2], \ - (dest).last_dc_val[3] = (src).last_dc_val[3]) -#endif -#endif - - -typedef struct { - struct jpeg_entropy_encoder pub; /* public fields */ - - savable_state saved; /* Bit buffer & DC state at start of MCU */ - - /* These fields are NOT loaded into local working state. */ - unsigned int restarts_to_go; /* MCUs left in this restart interval */ - int next_restart_num; /* next restart number to write (0-7) */ - - /* Pointers to derived tables (these workspaces have image lifespan) */ - c_derived_tbl * dc_derived_tbls[NUM_HUFF_TBLS]; - c_derived_tbl * ac_derived_tbls[NUM_HUFF_TBLS]; - -#ifdef ENTROPY_OPT_SUPPORTED /* Statistics tables for optimization */ - long * dc_count_ptrs[NUM_HUFF_TBLS]; - long * ac_count_ptrs[NUM_HUFF_TBLS]; -#endif -} huff_entropy_encoder; - -typedef huff_entropy_encoder * huff_entropy_ptr; - -/* Working state while writing an MCU. - * This struct contains all the fields that are needed by subroutines. - */ - -typedef struct { - JOCTET * next_output_byte; /* => next byte to write in buffer */ - size_t free_in_buffer; /* # of byte spaces remaining in buffer */ - savable_state cur; /* Current bit buffer & DC state */ - j_compress_ptr cinfo; /* dump_buffer needs access to this */ -} working_state; - - -/* Forward declarations */ -METHODDEF(boolean) encode_mcu_huff JPP((j_compress_ptr cinfo, - JBLOCKROW *MCU_data)); -METHODDEF(void) finish_pass_huff JPP((j_compress_ptr cinfo)); -#ifdef ENTROPY_OPT_SUPPORTED -METHODDEF(boolean) encode_mcu_gather JPP((j_compress_ptr cinfo, - JBLOCKROW *MCU_data)); -METHODDEF(void) finish_pass_gather JPP((j_compress_ptr cinfo)); -#endif - - -/* - * Initialize for a Huffman-compressed scan. - * If gather_statistics is TRUE, we do not output anything during the scan, - * just count the Huffman symbols used and generate Huffman code tables. - */ - -METHODDEF(void) -start_pass_huff (j_compress_ptr cinfo, boolean gather_statistics) -{ - huff_entropy_ptr entropy = (huff_entropy_ptr) cinfo->entropy; - int ci, dctbl, actbl; - jpeg_component_info * compptr; - - if (gather_statistics) { -#ifdef ENTROPY_OPT_SUPPORTED - entropy->pub.encode_mcu = encode_mcu_gather; - entropy->pub.finish_pass = finish_pass_gather; -#else - ERREXIT(cinfo, JERR_NOT_COMPILED); -#endif - } else { - entropy->pub.encode_mcu = encode_mcu_huff; - entropy->pub.finish_pass = finish_pass_huff; - } - - for (ci = 0; ci < cinfo->comps_in_scan; ci++) { - compptr = cinfo->cur_comp_info[ci]; - dctbl = compptr->dc_tbl_no; - actbl = compptr->ac_tbl_no; - if (gather_statistics) { -#ifdef ENTROPY_OPT_SUPPORTED - /* Check for invalid table indexes */ - /* (make_c_derived_tbl does this in the other path) */ - if (dctbl < 0 || dctbl >= NUM_HUFF_TBLS) - ERREXIT1(cinfo, JERR_NO_HUFF_TABLE, dctbl); - if (actbl < 0 || actbl >= NUM_HUFF_TBLS) - ERREXIT1(cinfo, JERR_NO_HUFF_TABLE, actbl); - /* Allocate and zero the statistics tables */ - /* Note that jpeg_gen_optimal_table expects 257 entries in each table! */ - if (entropy->dc_count_ptrs[dctbl] == NULL) - entropy->dc_count_ptrs[dctbl] = (long *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - 257 * SIZEOF(long)); - MEMZERO(entropy->dc_count_ptrs[dctbl], 257 * SIZEOF(long)); - if (entropy->ac_count_ptrs[actbl] == NULL) - entropy->ac_count_ptrs[actbl] = (long *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - 257 * SIZEOF(long)); - MEMZERO(entropy->ac_count_ptrs[actbl], 257 * SIZEOF(long)); -#endif - } else { - /* Compute derived values for Huffman tables */ - /* We may do this more than once for a table, but it's not expensive */ - jpeg_make_c_derived_tbl(cinfo, TRUE, dctbl, - & entropy->dc_derived_tbls[dctbl]); - jpeg_make_c_derived_tbl(cinfo, FALSE, actbl, - & entropy->ac_derived_tbls[actbl]); - } - /* Initialize DC predictions to 0 */ - entropy->saved.last_dc_val[ci] = 0; - } - - /* Initialize bit buffer to empty */ - - entropy->saved.put_buffer = 0; - entropy->saved.put_bits = 0; - - /* Initialize restart stuff */ - entropy->restarts_to_go = cinfo->restart_interval; - entropy->next_restart_num = 0; -} - - -/* - * Compute the derived values for a Huffman table. - * This routine also performs some validation checks on the table. - * - * Note this is also used by jcphuff.c. - */ - -GLOBAL(void) -jpeg_make_c_derived_tbl (j_compress_ptr cinfo, boolean isDC, int tblno, - c_derived_tbl ** pdtbl) -{ - JHUFF_TBL *htbl; - c_derived_tbl *dtbl; - int p, i, l, lastp, si, maxsymbol; - char huffsize[257]; - unsigned int huffcode[257]; - unsigned int code; - - /* Note that huffsize[] and huffcode[] are filled in code-length order, - * paralleling the order of the symbols themselves in htbl->huffval[]. - */ - - /* Find the input Huffman table */ - if (tblno < 0 || tblno >= NUM_HUFF_TBLS) - ERREXIT1(cinfo, JERR_NO_HUFF_TABLE, tblno); - htbl = - isDC ? cinfo->dc_huff_tbl_ptrs[tblno] : cinfo->ac_huff_tbl_ptrs[tblno]; - if (htbl == NULL) - ERREXIT1(cinfo, JERR_NO_HUFF_TABLE, tblno); - - /* Allocate a workspace if we haven't already done so. */ - if (*pdtbl == NULL) - *pdtbl = (c_derived_tbl *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(c_derived_tbl)); - dtbl = *pdtbl; - - /* Figure C.1: make table of Huffman code length for each symbol */ - - p = 0; - for (l = 1; l <= 16; l++) { - i = (int) htbl->bits[l]; - if (i < 0 || p + i > 256) /* protect against table overrun */ - ERREXIT(cinfo, JERR_BAD_HUFF_TABLE); - while (i--) - huffsize[p++] = (char) l; - } - huffsize[p] = 0; - lastp = p; - - /* Figure C.2: generate the codes themselves */ - /* We also validate that the counts represent a legal Huffman code tree. */ - - code = 0; - si = huffsize[0]; - p = 0; - while (huffsize[p]) { - while (((int) huffsize[p]) == si) { - huffcode[p++] = code; - code++; - } - /* code is now 1 more than the last code used for codelength si; but - * it must still fit in si bits, since no code is allowed to be all ones. - */ - if (((INT32) code) >= (((INT32) 1) << si)) - ERREXIT(cinfo, JERR_BAD_HUFF_TABLE); - code <<= 1; - si++; - } - - /* Figure C.3: generate encoding tables */ - /* These are code and size indexed by symbol value */ - - /* Set all codeless symbols to have code length 0; - * this lets us detect duplicate VAL entries here, and later - * allows emit_bits to detect any attempt to emit such symbols. - */ - MEMZERO(dtbl->ehufsi, SIZEOF(dtbl->ehufsi)); - - /* This is also a convenient place to check for out-of-range - * and duplicated VAL entries. We allow 0..255 for AC symbols - * but only 0..15 for DC. (We could constrain them further - * based on data depth and mode, but this seems enough.) - */ - maxsymbol = isDC ? 15 : 255; - - for (p = 0; p < lastp; p++) { - i = htbl->huffval[p]; - if (i < 0 || i > maxsymbol || dtbl->ehufsi[i]) - ERREXIT(cinfo, JERR_BAD_HUFF_TABLE); - dtbl->ehufco[i] = huffcode[p]; - dtbl->ehufsi[i] = huffsize[p]; - } - - if(!jpeg_first_bit_table_init) { - for(i = 0; i < 65536; i++) { - int bit = 0, val = i; - while (val) {val >>= 1; bit++;} - jpeg_first_bit_table[i] = bit; - } - jpeg_first_bit_table_init = 1; - } -} - - -/* Outputting bytes to the file */ - -/* Emit a byte, taking 'action' if must suspend. */ -#define emit_byte(state,val,action) \ - { *(state)->next_output_byte++ = (JOCTET) (val); \ - if (--(state)->free_in_buffer == 0) \ - if (! dump_buffer(state)) \ - { action; } } - - -LOCAL(boolean) -dump_buffer (working_state * state) -/* Empty the output buffer; return TRUE if successful, FALSE if must suspend */ -{ - struct jpeg_destination_mgr * dest = state->cinfo->dest; - - dest->free_in_buffer = state->free_in_buffer; - - if (! (*dest->empty_output_buffer) (state->cinfo)) - return FALSE; - /* After a successful buffer dump, must reset buffer pointers */ - state->next_output_byte = dest->next_output_byte; - state->free_in_buffer = dest->free_in_buffer; - return TRUE; -} - - -/* Outputting bits to the file */ - -/* Only the right 24 bits of put_buffer are used; the valid bits are - * left-justified in this part. At most 16 bits can be passed to emit_bits - * in one call, and we never retain more than 7 bits in put_buffer - * between calls, so 24 bits are sufficient. - */ - -/***************************************************************/ - -#define EMIT_BYTE() { \ - if (0xFF == (*buffer++ = (unsigned char)(put_buffer >> (put_bits -= 8)))) \ - *buffer++ = 0; \ - } - -/***************************************************************/ - -#define DUMP_BITS_(code, size) { \ - put_bits += size; \ - put_buffer = (put_buffer << size) | code; \ - if (put_bits > 7) \ - while(put_bits > 7) \ - EMIT_BYTE() \ - } - -/***************************************************************/ - -#define CHECKBUF15() { \ - if (put_bits > 15) { \ - EMIT_BYTE() \ - EMIT_BYTE() \ - } \ -} - -#define CHECKBUF47() { \ - if (put_bits > 47) { \ - EMIT_BYTE() \ - EMIT_BYTE() \ - EMIT_BYTE() \ - EMIT_BYTE() \ - EMIT_BYTE() \ - EMIT_BYTE() \ - } \ -} - -#define CHECKBUF31() { \ - if (put_bits > 31) { \ - EMIT_BYTE() \ - EMIT_BYTE() \ - EMIT_BYTE() \ - EMIT_BYTE() \ - } \ -} - -/***************************************************************/ - -#define DUMP_BITS_NOCHECK(code, size) { \ - put_bits += size; \ - put_buffer = (put_buffer << size) | code; \ - } - -#if __WORDSIZE==64 || defined(_WIN64) - -#define DUMP_BITS(code, size) { \ - CHECKBUF47() \ - put_bits += size; \ - put_buffer = (put_buffer << size) | code; \ - } - -#else - -#define DUMP_BITS(code, size) { \ - put_bits += size; \ - put_buffer = (put_buffer << size) | code; \ - CHECKBUF15() \ - } - -#endif - -/***************************************************************/ - -#define DUMP_SINGLE_VALUE(ht, codevalue) { \ - size = ht->ehufsi[codevalue]; \ - code = ht->ehufco[codevalue]; \ - \ - DUMP_BITS(code, size) \ - } - -/***************************************************************/ - -#define DUMP_VALUE_SLOW(ht, codevalue, t, nbits) { \ - size = ht->ehufsi[codevalue]; \ - code = ht->ehufco[codevalue]; \ - t &= ~(-1 << nbits); \ - DUMP_BITS_NOCHECK(code, size) \ - CHECKBUF15() \ - DUMP_BITS_NOCHECK(t, nbits) \ - CHECKBUF15() \ - } - -int _max=0; - -#if __WORDSIZE==64 || defined(_WIN64) - -#define DUMP_VALUE(ht, codevalue, t, nbits) { \ - size = ht->ehufsi[codevalue]; \ - code = ht->ehufco[codevalue]; \ - t &= ~(-1 << nbits); \ - CHECKBUF31() \ - DUMP_BITS_NOCHECK(code, size) \ - DUMP_BITS_NOCHECK(t, nbits) \ - } - -#else - -#define DUMP_VALUE(ht, codevalue, t, nbits) { \ - size = ht->ehufsi[codevalue]; \ - code = ht->ehufco[codevalue]; \ - t &= ~(-1 << nbits); \ - DUMP_BITS_NOCHECK(code, size) \ - CHECKBUF15() \ - DUMP_BITS_NOCHECK(t, nbits) \ - CHECKBUF15() \ - } - -#endif - -/***************************************************************/ - -#define BUFSIZE (DCTSIZE2 * 2) - -#define LOAD_BUFFER() { \ - if (state->free_in_buffer < BUFSIZE) { \ - localbuf = 1; \ - buffer = _buffer; \ - } \ - else buffer = state->next_output_byte; \ - } - -#define STORE_BUFFER() { \ - if (localbuf) { \ - bytes = buffer - _buffer; \ - buffer = _buffer; \ - while (bytes > 0) { \ - bytestocopy = min(bytes, state->free_in_buffer); \ - MEMCOPY(state->next_output_byte, buffer, bytestocopy); \ - state->next_output_byte += bytestocopy; \ - buffer += bytestocopy; \ - state->free_in_buffer -= bytestocopy; \ - if (state->free_in_buffer == 0) \ - if (! dump_buffer(state)) return FALSE; \ - bytes -= bytestocopy; \ - } \ - } \ - else { \ - state->free_in_buffer -= (buffer - state->next_output_byte); \ - state->next_output_byte = buffer; \ - } \ - } - -/***************************************************************/ - -LOCAL(boolean) -flush_bits (working_state * state) -{ - unsigned char _buffer[BUFSIZE], *buffer; - size_t put_buffer; int put_bits; - size_t bytes, bytestocopy; int localbuf = 0; - - put_buffer = state->cur.put_buffer; - put_bits = state->cur.put_bits; - LOAD_BUFFER() - - DUMP_BITS_(0x7F, 7) - - state->cur.put_buffer = 0; /* and reset bit-buffer to empty */ - state->cur.put_bits = 0; - STORE_BUFFER() - - return TRUE; -} - -/* Encode a single block's worth of coefficients */ - -LOCAL(boolean) -encode_one_block (working_state * state, JCOEFPTR block, int last_dc_val, - c_derived_tbl *dctbl, c_derived_tbl *actbl) -{ - int temp, temp2; - int nbits; - int r, sflag, size, code; - unsigned char _buffer[BUFSIZE], *buffer; - size_t put_buffer; int put_bits; - int code_0xf0 = actbl->ehufco[0xf0], size_0xf0 = actbl->ehufsi[0xf0]; - size_t bytes, bytestocopy; int localbuf = 0; - - put_buffer = state->cur.put_buffer; - put_bits = state->cur.put_bits; - LOAD_BUFFER() - - /* Encode the DC coefficient difference per section F.1.2.1 */ - - temp = temp2 = block[0] - last_dc_val; - - sflag = temp >> 31; - temp -= ((temp + temp) & sflag); - temp2 += sflag; - nbits = jpeg_first_bit_table[temp]; - DUMP_VALUE_SLOW(dctbl, nbits, temp2, nbits) - - /* Encode the AC coefficients per section F.1.2.2 */ - - r = 0; /* r = run length of zeros */ - -#define innerloop(order) { \ - temp2 = *(JCOEF*)((unsigned char*)block + order); \ - if(temp2 == 0) r++; \ - else { \ - temp = (JCOEF)temp2; \ - sflag = temp >> 31; \ - temp = (temp ^ sflag) - sflag; \ - temp2 += sflag; \ - nbits = jpeg_first_bit_table[temp]; \ - for(; r > 15; r -= 16) DUMP_BITS(code_0xf0, size_0xf0) \ - sflag = (r << 4) + nbits; \ - DUMP_VALUE(actbl, sflag, temp2, nbits) \ - r = 0; \ - }} - - innerloop(2*1); innerloop(2*8); innerloop(2*16); innerloop(2*9); - innerloop(2*2); innerloop(2*3); innerloop(2*10); innerloop(2*17); - innerloop(2*24); innerloop(2*32); innerloop(2*25); innerloop(2*18); - innerloop(2*11); innerloop(2*4); innerloop(2*5); innerloop(2*12); - innerloop(2*19); innerloop(2*26); innerloop(2*33); innerloop(2*40); - innerloop(2*48); innerloop(2*41); innerloop(2*34); innerloop(2*27); - innerloop(2*20); innerloop(2*13); innerloop(2*6); innerloop(2*7); - innerloop(2*14); innerloop(2*21); innerloop(2*28); innerloop(2*35); - innerloop(2*42); innerloop(2*49); innerloop(2*56); innerloop(2*57); - innerloop(2*50); innerloop(2*43); innerloop(2*36); innerloop(2*29); - innerloop(2*22); innerloop(2*15); innerloop(2*23); innerloop(2*30); - innerloop(2*37); innerloop(2*44); innerloop(2*51); innerloop(2*58); - innerloop(2*59); innerloop(2*52); innerloop(2*45); innerloop(2*38); - innerloop(2*31); innerloop(2*39); innerloop(2*46); innerloop(2*53); - innerloop(2*60); innerloop(2*61); innerloop(2*54); innerloop(2*47); - innerloop(2*55); innerloop(2*62); innerloop(2*63); - - /* If the last coef(s) were zero, emit an end-of-block code */ - if (r > 0) DUMP_SINGLE_VALUE(actbl, 0x0) - - state->cur.put_buffer = put_buffer; - state->cur.put_bits = put_bits; - STORE_BUFFER() - - return TRUE; -} - - -/* - * Emit a restart marker & resynchronize predictions. - */ - -LOCAL(boolean) -emit_restart (working_state * state, int restart_num) -{ - int ci; - - if (! flush_bits(state)) - return FALSE; - - emit_byte(state, 0xFF, return FALSE); - emit_byte(state, JPEG_RST0 + restart_num, return FALSE); - - /* Re-initialize DC predictions to 0 */ - for (ci = 0; ci < state->cinfo->comps_in_scan; ci++) - state->cur.last_dc_val[ci] = 0; - - /* The restart counter is not updated until we successfully write the MCU. */ - - return TRUE; -} - - -/* - * Encode and output one MCU's worth of Huffman-compressed coefficients. - */ - -METHODDEF(boolean) -encode_mcu_huff (j_compress_ptr cinfo, JBLOCKROW *MCU_data) -{ - huff_entropy_ptr entropy = (huff_entropy_ptr) cinfo->entropy; - working_state state; - int blkn, ci; - jpeg_component_info * compptr; - - /* Load up working state */ - state.next_output_byte = cinfo->dest->next_output_byte; - state.free_in_buffer = cinfo->dest->free_in_buffer; - ASSIGN_STATE(state.cur, entropy->saved); - state.cinfo = cinfo; - - /* Emit restart marker if needed */ - if (cinfo->restart_interval) { - if (entropy->restarts_to_go == 0) - if (! emit_restart(&state, entropy->next_restart_num)) - return FALSE; - } - - /* Encode the MCU data blocks */ - for (blkn = 0; blkn < cinfo->blocks_in_MCU; blkn++) { - ci = cinfo->MCU_membership[blkn]; - compptr = cinfo->cur_comp_info[ci]; - if (! encode_one_block(&state, - MCU_data[blkn][0], state.cur.last_dc_val[ci], - entropy->dc_derived_tbls[compptr->dc_tbl_no], - entropy->ac_derived_tbls[compptr->ac_tbl_no])) - return FALSE; - /* Update last_dc_val */ - state.cur.last_dc_val[ci] = MCU_data[blkn][0][0]; - } - - /* Completed MCU, so update state */ - cinfo->dest->next_output_byte = state.next_output_byte; - cinfo->dest->free_in_buffer = state.free_in_buffer; - ASSIGN_STATE(entropy->saved, state.cur); - - /* Update restart-interval state too */ - if (cinfo->restart_interval) { - if (entropy->restarts_to_go == 0) { - entropy->restarts_to_go = cinfo->restart_interval; - entropy->next_restart_num++; - entropy->next_restart_num &= 7; - } - entropy->restarts_to_go--; - } - - return TRUE; -} - - -/* - * Finish up at the end of a Huffman-compressed scan. - */ - -METHODDEF(void) -finish_pass_huff (j_compress_ptr cinfo) -{ - huff_entropy_ptr entropy = (huff_entropy_ptr) cinfo->entropy; - working_state state; - - /* Load up working state ... flush_bits needs it */ - state.next_output_byte = cinfo->dest->next_output_byte; - state.free_in_buffer = cinfo->dest->free_in_buffer; - ASSIGN_STATE(state.cur, entropy->saved); - state.cinfo = cinfo; - - /* Flush out the last data */ - if (! flush_bits(&state)) - ERREXIT(cinfo, JERR_CANT_SUSPEND); - - /* Update state */ - cinfo->dest->next_output_byte = state.next_output_byte; - cinfo->dest->free_in_buffer = state.free_in_buffer; - ASSIGN_STATE(entropy->saved, state.cur); -} - - -/* - * Huffman coding optimization. - * - * We first scan the supplied data and count the number of uses of each symbol - * that is to be Huffman-coded. (This process MUST agree with the code above.) - * Then we build a Huffman coding tree for the observed counts. - * Symbols which are not needed at all for the particular image are not - * assigned any code, which saves space in the DHT marker as well as in - * the compressed data. - */ - -#ifdef ENTROPY_OPT_SUPPORTED - - -/* Process a single block's worth of coefficients */ - -LOCAL(void) -htest_one_block (j_compress_ptr cinfo, JCOEFPTR block, int last_dc_val, - long dc_counts[], long ac_counts[]) -{ - register int temp; - register int nbits; - register int k, r; - - /* Encode the DC coefficient difference per section F.1.2.1 */ - - temp = block[0] - last_dc_val; - if (temp < 0) - temp = -temp; - - /* Find the number of bits needed for the magnitude of the coefficient */ - nbits = 0; - while (temp) { - nbits++; - temp >>= 1; - } - /* Check for out-of-range coefficient values. - * Since we're encoding a difference, the range limit is twice as much. - */ - if (nbits > MAX_COEF_BITS+1) - ERREXIT(cinfo, JERR_BAD_DCT_COEF); - - /* Count the Huffman symbol for the number of bits */ - dc_counts[nbits]++; - - /* Encode the AC coefficients per section F.1.2.2 */ - - r = 0; /* r = run length of zeros */ - - for (k = 1; k < DCTSIZE2; k++) { - if ((temp = block[jpeg_natural_order[k]]) == 0) { - r++; - } else { - /* if run length > 15, must emit special run-length-16 codes (0xF0) */ - while (r > 15) { - ac_counts[0xF0]++; - r -= 16; - } - - /* Find the number of bits needed for the magnitude of the coefficient */ - if (temp < 0) - temp = -temp; - - /* Find the number of bits needed for the magnitude of the coefficient */ - nbits = 1; /* there must be at least one 1 bit */ - while ((temp >>= 1)) - nbits++; - /* Check for out-of-range coefficient values */ - if (nbits > MAX_COEF_BITS) - ERREXIT(cinfo, JERR_BAD_DCT_COEF); - - /* Count Huffman symbol for run length / number of bits */ - ac_counts[(r << 4) + nbits]++; - - r = 0; - } - } - - /* If the last coef(s) were zero, emit an end-of-block code */ - if (r > 0) - ac_counts[0]++; -} - - -/* - * Trial-encode one MCU's worth of Huffman-compressed coefficients. - * No data is actually output, so no suspension return is possible. - */ - -METHODDEF(boolean) -encode_mcu_gather (j_compress_ptr cinfo, JBLOCKROW *MCU_data) -{ - huff_entropy_ptr entropy = (huff_entropy_ptr) cinfo->entropy; - int blkn, ci; - jpeg_component_info * compptr; - - /* Take care of restart intervals if needed */ - if (cinfo->restart_interval) { - if (entropy->restarts_to_go == 0) { - /* Re-initialize DC predictions to 0 */ - for (ci = 0; ci < cinfo->comps_in_scan; ci++) - entropy->saved.last_dc_val[ci] = 0; - /* Update restart state */ - entropy->restarts_to_go = cinfo->restart_interval; - } - entropy->restarts_to_go--; - } - - for (blkn = 0; blkn < cinfo->blocks_in_MCU; blkn++) { - ci = cinfo->MCU_membership[blkn]; - compptr = cinfo->cur_comp_info[ci]; - htest_one_block(cinfo, MCU_data[blkn][0], entropy->saved.last_dc_val[ci], - entropy->dc_count_ptrs[compptr->dc_tbl_no], - entropy->ac_count_ptrs[compptr->ac_tbl_no]); - entropy->saved.last_dc_val[ci] = MCU_data[blkn][0][0]; - } - - return TRUE; -} - - -/* - * Generate the best Huffman code table for the given counts, fill htbl. - * Note this is also used by jcphuff.c. - * - * The JPEG standard requires that no symbol be assigned a codeword of all - * one bits (so that padding bits added at the end of a compressed segment - * can't look like a valid code). Because of the canonical ordering of - * codewords, this just means that there must be an unused slot in the - * longest codeword length category. Section K.2 of the JPEG spec suggests - * reserving such a slot by pretending that symbol 256 is a valid symbol - * with count 1. In theory that's not optimal; giving it count zero but - * including it in the symbol set anyway should give a better Huffman code. - * But the theoretically better code actually seems to come out worse in - * practice, because it produces more all-ones bytes (which incur stuffed - * zero bytes in the final file). In any case the difference is tiny. - * - * The JPEG standard requires Huffman codes to be no more than 16 bits long. - * If some symbols have a very small but nonzero probability, the Huffman tree - * must be adjusted to meet the code length restriction. We currently use - * the adjustment method suggested in JPEG section K.2. This method is *not* - * optimal; it may not choose the best possible limited-length code. But - * typically only very-low-frequency symbols will be given less-than-optimal - * lengths, so the code is almost optimal. Experimental comparisons against - * an optimal limited-length-code algorithm indicate that the difference is - * microscopic --- usually less than a hundredth of a percent of total size. - * So the extra complexity of an optimal algorithm doesn't seem worthwhile. - */ - -GLOBAL(void) -jpeg_gen_optimal_table (j_compress_ptr cinfo, JHUFF_TBL * htbl, long freq[]) -{ -#define MAX_CLEN 32 /* assumed maximum initial code length */ - UINT8 bits[MAX_CLEN+1]; /* bits[k] = # of symbols with code length k */ - int codesize[257]; /* codesize[k] = code length of symbol k */ - int others[257]; /* next symbol in current branch of tree */ - int c1, c2; - int p, i, j; - long v; - - /* This algorithm is explained in section K.2 of the JPEG standard */ - - MEMZERO(bits, SIZEOF(bits)); - MEMZERO(codesize, SIZEOF(codesize)); - for (i = 0; i < 257; i++) - others[i] = -1; /* init links to empty */ - - freq[256] = 1; /* make sure 256 has a nonzero count */ - /* Including the pseudo-symbol 256 in the Huffman procedure guarantees - * that no real symbol is given code-value of all ones, because 256 - * will be placed last in the largest codeword category. - */ - - /* Huffman's basic algorithm to assign optimal code lengths to symbols */ - - for (;;) { - /* Find the smallest nonzero frequency, set c1 = its symbol */ - /* In case of ties, take the larger symbol number */ - c1 = -1; - v = 1000000000L; - for (i = 0; i <= 256; i++) { - if (freq[i] && freq[i] <= v) { - v = freq[i]; - c1 = i; - } - } - - /* Find the next smallest nonzero frequency, set c2 = its symbol */ - /* In case of ties, take the larger symbol number */ - c2 = -1; - v = 1000000000L; - for (i = 0; i <= 256; i++) { - if (freq[i] && freq[i] <= v && i != c1) { - v = freq[i]; - c2 = i; - } - } - - /* Done if we've merged everything into one frequency */ - if (c2 < 0) - break; - - /* Else merge the two counts/trees */ - freq[c1] += freq[c2]; - freq[c2] = 0; - - /* Increment the codesize of everything in c1's tree branch */ - codesize[c1]++; - while (others[c1] >= 0) { - c1 = others[c1]; - codesize[c1]++; - } - - others[c1] = c2; /* chain c2 onto c1's tree branch */ - - /* Increment the codesize of everything in c2's tree branch */ - codesize[c2]++; - while (others[c2] >= 0) { - c2 = others[c2]; - codesize[c2]++; - } - } - - /* Now count the number of symbols of each code length */ - for (i = 0; i <= 256; i++) { - if (codesize[i]) { - /* The JPEG standard seems to think that this can't happen, */ - /* but I'm paranoid... */ - if (codesize[i] > MAX_CLEN) - ERREXIT(cinfo, JERR_HUFF_CLEN_OVERFLOW); - - bits[codesize[i]]++; - } - } - - /* JPEG doesn't allow symbols with code lengths over 16 bits, so if the pure - * Huffman procedure assigned any such lengths, we must adjust the coding. - * Here is what the JPEG spec says about how this next bit works: - * Since symbols are paired for the longest Huffman code, the symbols are - * removed from this length category two at a time. The prefix for the pair - * (which is one bit shorter) is allocated to one of the pair; then, - * skipping the BITS entry for that prefix length, a code word from the next - * shortest nonzero BITS entry is converted into a prefix for two code words - * one bit longer. - */ - - for (i = MAX_CLEN; i > 16; i--) { - while (bits[i] > 0) { - j = i - 2; /* find length of new prefix to be used */ - while (bits[j] == 0) - j--; - - bits[i] -= 2; /* remove two symbols */ - bits[i-1]++; /* one goes in this length */ - bits[j+1] += 2; /* two new symbols in this length */ - bits[j]--; /* symbol of this length is now a prefix */ - } - } - - /* Remove the count for the pseudo-symbol 256 from the largest codelength */ - while (bits[i] == 0) /* find largest codelength still in use */ - i--; - bits[i]--; - - /* Return final symbol counts (only for lengths 0..16) */ - MEMCOPY(htbl->bits, bits, SIZEOF(htbl->bits)); - - /* Return a list of the symbols sorted by code length */ - /* It's not real clear to me why we don't need to consider the codelength - * changes made above, but the JPEG spec seems to think this works. - */ - p = 0; - for (i = 1; i <= MAX_CLEN; i++) { - for (j = 0; j <= 255; j++) { - if (codesize[j] == i) { - htbl->huffval[p] = (UINT8) j; - p++; - } - } - } - - /* Set sent_table FALSE so updated table will be written to JPEG file. */ - htbl->sent_table = FALSE; -} - - -/* - * Finish up a statistics-gathering pass and create the new Huffman tables. - */ - -METHODDEF(void) -finish_pass_gather (j_compress_ptr cinfo) -{ - huff_entropy_ptr entropy = (huff_entropy_ptr) cinfo->entropy; - int ci, dctbl, actbl; - jpeg_component_info * compptr; - JHUFF_TBL **htblptr; - boolean did_dc[NUM_HUFF_TBLS]; - boolean did_ac[NUM_HUFF_TBLS]; - - /* It's important not to apply jpeg_gen_optimal_table more than once - * per table, because it clobbers the input frequency counts! - */ - MEMZERO(did_dc, SIZEOF(did_dc)); - MEMZERO(did_ac, SIZEOF(did_ac)); - - for (ci = 0; ci < cinfo->comps_in_scan; ci++) { - compptr = cinfo->cur_comp_info[ci]; - dctbl = compptr->dc_tbl_no; - actbl = compptr->ac_tbl_no; - if (! did_dc[dctbl]) { - htblptr = & cinfo->dc_huff_tbl_ptrs[dctbl]; - if (*htblptr == NULL) - *htblptr = jpeg_alloc_huff_table((j_common_ptr) cinfo); - jpeg_gen_optimal_table(cinfo, *htblptr, entropy->dc_count_ptrs[dctbl]); - did_dc[dctbl] = TRUE; - } - if (! did_ac[actbl]) { - htblptr = & cinfo->ac_huff_tbl_ptrs[actbl]; - if (*htblptr == NULL) - *htblptr = jpeg_alloc_huff_table((j_common_ptr) cinfo); - jpeg_gen_optimal_table(cinfo, *htblptr, entropy->ac_count_ptrs[actbl]); - did_ac[actbl] = TRUE; - } - } -} - - -#endif /* ENTROPY_OPT_SUPPORTED */ - - -/* - * Module initialization routine for Huffman entropy encoding. - */ - -GLOBAL(void) -jinit_huff_encoder (j_compress_ptr cinfo) -{ - huff_entropy_ptr entropy; - int i; - - entropy = (huff_entropy_ptr) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(huff_entropy_encoder)); - cinfo->entropy = (struct jpeg_entropy_encoder *) entropy; - entropy->pub.start_pass = start_pass_huff; - - /* Mark tables unallocated */ - for (i = 0; i < NUM_HUFF_TBLS; i++) { - entropy->dc_derived_tbls[i] = entropy->ac_derived_tbls[i] = NULL; -#ifdef ENTROPY_OPT_SUPPORTED - entropy->dc_count_ptrs[i] = entropy->ac_count_ptrs[i] = NULL; -#endif - } -} diff --git a/common/jpeg/jchuff.h b/common/jpeg/jchuff.h deleted file mode 100644 index a9599fc1..00000000 --- a/common/jpeg/jchuff.h +++ /dev/null @@ -1,47 +0,0 @@ -/* - * jchuff.h - * - * Copyright (C) 1991-1997, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains declarations for Huffman entropy encoding routines - * that are shared between the sequential encoder (jchuff.c) and the - * progressive encoder (jcphuff.c). No other modules need to see these. - */ - -/* The legal range of a DCT coefficient is - * -1024 .. +1023 for 8-bit data; - * -16384 .. +16383 for 12-bit data. - * Hence the magnitude should always fit in 10 or 14 bits respectively. - */ - -#if BITS_IN_JSAMPLE == 8 -#define MAX_COEF_BITS 10 -#else -#define MAX_COEF_BITS 14 -#endif - -/* Derived data constructed for each Huffman table */ - -typedef struct { - unsigned int ehufco[256]; /* code for each symbol */ - char ehufsi[256]; /* length of code for each symbol */ - /* If no code has been allocated for a symbol S, ehufsi[S] contains 0 */ -} c_derived_tbl; - -/* Short forms of external names for systems with brain-damaged linkers. */ - -#ifdef NEED_SHORT_EXTERNAL_NAMES -#define jpeg_make_c_derived_tbl jMkCDerived -#define jpeg_gen_optimal_table jGenOptTbl -#endif /* NEED_SHORT_EXTERNAL_NAMES */ - -/* Expand a Huffman table definition into the derived format */ -EXTERN(void) jpeg_make_c_derived_tbl - JPP((j_compress_ptr cinfo, boolean isDC, int tblno, - c_derived_tbl ** pdtbl)); - -/* Generate an optimal table definition given the specified counts */ -EXTERN(void) jpeg_gen_optimal_table - JPP((j_compress_ptr cinfo, JHUFF_TBL * htbl, long freq[])); diff --git a/common/jpeg/jcinit.c b/common/jpeg/jcinit.c deleted file mode 100644 index 5efffe33..00000000 --- a/common/jpeg/jcinit.c +++ /dev/null @@ -1,72 +0,0 @@ -/* - * jcinit.c - * - * Copyright (C) 1991-1997, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains initialization logic for the JPEG compressor. - * This routine is in charge of selecting the modules to be executed and - * making an initialization call to each one. - * - * Logically, this code belongs in jcmaster.c. It's split out because - * linking this routine implies linking the entire compression library. - * For a transcoding-only application, we want to be able to use jcmaster.c - * without linking in the whole library. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" - - -/* - * Master selection of compression modules. - * This is done once at the start of processing an image. We determine - * which modules will be used and give them appropriate initialization calls. - */ - -GLOBAL(void) -jinit_compress_master (j_compress_ptr cinfo) -{ - /* Initialize master control (includes parameter checking/processing) */ - jinit_c_master_control(cinfo, FALSE /* full compression */); - - /* Preprocessing */ - if (! cinfo->raw_data_in) { - jinit_color_converter(cinfo); - jinit_downsampler(cinfo); - jinit_c_prep_controller(cinfo, FALSE /* never need full buffer here */); - } - /* Forward DCT */ - jinit_forward_dct(cinfo); - /* Entropy encoding: either Huffman or arithmetic coding. */ - if (cinfo->arith_code) { - ERREXIT(cinfo, JERR_ARITH_NOTIMPL); - } else { - if (cinfo->progressive_mode) { -#ifdef C_PROGRESSIVE_SUPPORTED - jinit_phuff_encoder(cinfo); -#else - ERREXIT(cinfo, JERR_NOT_COMPILED); -#endif - } else - jinit_huff_encoder(cinfo); - } - - /* Need a full-image coefficient buffer in any multi-pass mode. */ - jinit_c_coef_controller(cinfo, - (boolean) (cinfo->num_scans > 1 || cinfo->optimize_coding)); - jinit_c_main_controller(cinfo, FALSE /* never need full buffer here */); - - jinit_marker_writer(cinfo); - - /* We can now tell the memory manager to allocate virtual arrays. */ - (*cinfo->mem->realize_virt_arrays) ((j_common_ptr) cinfo); - - /* Write the datastream header (SOI) immediately. - * Frame and scan headers are postponed till later. - * This lets application insert special markers after the SOI. - */ - (*cinfo->marker->write_file_header) (cinfo); -} diff --git a/common/jpeg/jcmainct.c b/common/jpeg/jcmainct.c deleted file mode 100644 index e0279a7e..00000000 --- a/common/jpeg/jcmainct.c +++ /dev/null @@ -1,293 +0,0 @@ -/* - * jcmainct.c - * - * Copyright (C) 1994-1996, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains the main buffer controller for compression. - * The main buffer lies between the pre-processor and the JPEG - * compressor proper; it holds downsampled data in the JPEG colorspace. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" - - -/* Note: currently, there is no operating mode in which a full-image buffer - * is needed at this step. If there were, that mode could not be used with - * "raw data" input, since this module is bypassed in that case. However, - * we've left the code here for possible use in special applications. - */ -#undef FULL_MAIN_BUFFER_SUPPORTED - - -/* Private buffer controller object */ - -typedef struct { - struct jpeg_c_main_controller pub; /* public fields */ - - JDIMENSION cur_iMCU_row; /* number of current iMCU row */ - JDIMENSION rowgroup_ctr; /* counts row groups received in iMCU row */ - boolean suspended; /* remember if we suspended output */ - J_BUF_MODE pass_mode; /* current operating mode */ - - /* If using just a strip buffer, this points to the entire set of buffers - * (we allocate one for each component). In the full-image case, this - * points to the currently accessible strips of the virtual arrays. - */ - JSAMPARRAY buffer[MAX_COMPONENTS]; - -#ifdef FULL_MAIN_BUFFER_SUPPORTED - /* If using full-image storage, this array holds pointers to virtual-array - * control blocks for each component. Unused if not full-image storage. - */ - jvirt_sarray_ptr whole_image[MAX_COMPONENTS]; -#endif -} my_main_controller; - -typedef my_main_controller * my_main_ptr; - - -/* Forward declarations */ -METHODDEF(void) process_data_simple_main - JPP((j_compress_ptr cinfo, JSAMPARRAY input_buf, - JDIMENSION *in_row_ctr, JDIMENSION in_rows_avail)); -#ifdef FULL_MAIN_BUFFER_SUPPORTED -METHODDEF(void) process_data_buffer_main - JPP((j_compress_ptr cinfo, JSAMPARRAY input_buf, - JDIMENSION *in_row_ctr, JDIMENSION in_rows_avail)); -#endif - - -/* - * Initialize for a processing pass. - */ - -METHODDEF(void) -start_pass_main (j_compress_ptr cinfo, J_BUF_MODE pass_mode) -{ - my_main_ptr main = (my_main_ptr) cinfo->main; - - /* Do nothing in raw-data mode. */ - if (cinfo->raw_data_in) - return; - - main->cur_iMCU_row = 0; /* initialize counters */ - main->rowgroup_ctr = 0; - main->suspended = FALSE; - main->pass_mode = pass_mode; /* save mode for use by process_data */ - - switch (pass_mode) { - case JBUF_PASS_THRU: -#ifdef FULL_MAIN_BUFFER_SUPPORTED - if (main->whole_image[0] != NULL) - ERREXIT(cinfo, JERR_BAD_BUFFER_MODE); -#endif - main->pub.process_data = process_data_simple_main; - break; -#ifdef FULL_MAIN_BUFFER_SUPPORTED - case JBUF_SAVE_SOURCE: - case JBUF_CRANK_DEST: - case JBUF_SAVE_AND_PASS: - if (main->whole_image[0] == NULL) - ERREXIT(cinfo, JERR_BAD_BUFFER_MODE); - main->pub.process_data = process_data_buffer_main; - break; -#endif - default: - ERREXIT(cinfo, JERR_BAD_BUFFER_MODE); - break; - } -} - - -/* - * Process some data. - * This routine handles the simple pass-through mode, - * where we have only a strip buffer. - */ - -METHODDEF(void) -process_data_simple_main (j_compress_ptr cinfo, - JSAMPARRAY input_buf, JDIMENSION *in_row_ctr, - JDIMENSION in_rows_avail) -{ - my_main_ptr main = (my_main_ptr) cinfo->main; - - while (main->cur_iMCU_row < cinfo->total_iMCU_rows) { - /* Read input data if we haven't filled the main buffer yet */ - if (main->rowgroup_ctr < DCTSIZE) - (*cinfo->prep->pre_process_data) (cinfo, - input_buf, in_row_ctr, in_rows_avail, - main->buffer, &main->rowgroup_ctr, - (JDIMENSION) DCTSIZE); - - /* If we don't have a full iMCU row buffered, return to application for - * more data. Note that preprocessor will always pad to fill the iMCU row - * at the bottom of the image. - */ - if (main->rowgroup_ctr != DCTSIZE) - return; - - /* Send the completed row to the compressor */ - if (! (*cinfo->coef->compress_data) (cinfo, main->buffer)) { - /* If compressor did not consume the whole row, then we must need to - * suspend processing and return to the application. In this situation - * we pretend we didn't yet consume the last input row; otherwise, if - * it happened to be the last row of the image, the application would - * think we were done. - */ - if (! main->suspended) { - (*in_row_ctr)--; - main->suspended = TRUE; - } - return; - } - /* We did finish the row. Undo our little suspension hack if a previous - * call suspended; then mark the main buffer empty. - */ - if (main->suspended) { - (*in_row_ctr)++; - main->suspended = FALSE; - } - main->rowgroup_ctr = 0; - main->cur_iMCU_row++; - } -} - - -#ifdef FULL_MAIN_BUFFER_SUPPORTED - -/* - * Process some data. - * This routine handles all of the modes that use a full-size buffer. - */ - -METHODDEF(void) -process_data_buffer_main (j_compress_ptr cinfo, - JSAMPARRAY input_buf, JDIMENSION *in_row_ctr, - JDIMENSION in_rows_avail) -{ - my_main_ptr main = (my_main_ptr) cinfo->main; - int ci; - jpeg_component_info *compptr; - boolean writing = (main->pass_mode != JBUF_CRANK_DEST); - - while (main->cur_iMCU_row < cinfo->total_iMCU_rows) { - /* Realign the virtual buffers if at the start of an iMCU row. */ - if (main->rowgroup_ctr == 0) { - for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; - ci++, compptr++) { - main->buffer[ci] = (*cinfo->mem->access_virt_sarray) - ((j_common_ptr) cinfo, main->whole_image[ci], - main->cur_iMCU_row * (compptr->v_samp_factor * DCTSIZE), - (JDIMENSION) (compptr->v_samp_factor * DCTSIZE), writing); - } - /* In a read pass, pretend we just read some source data. */ - if (! writing) { - *in_row_ctr += cinfo->max_v_samp_factor * DCTSIZE; - main->rowgroup_ctr = DCTSIZE; - } - } - - /* If a write pass, read input data until the current iMCU row is full. */ - /* Note: preprocessor will pad if necessary to fill the last iMCU row. */ - if (writing) { - (*cinfo->prep->pre_process_data) (cinfo, - input_buf, in_row_ctr, in_rows_avail, - main->buffer, &main->rowgroup_ctr, - (JDIMENSION) DCTSIZE); - /* Return to application if we need more data to fill the iMCU row. */ - if (main->rowgroup_ctr < DCTSIZE) - return; - } - - /* Emit data, unless this is a sink-only pass. */ - if (main->pass_mode != JBUF_SAVE_SOURCE) { - if (! (*cinfo->coef->compress_data) (cinfo, main->buffer)) { - /* If compressor did not consume the whole row, then we must need to - * suspend processing and return to the application. In this situation - * we pretend we didn't yet consume the last input row; otherwise, if - * it happened to be the last row of the image, the application would - * think we were done. - */ - if (! main->suspended) { - (*in_row_ctr)--; - main->suspended = TRUE; - } - return; - } - /* We did finish the row. Undo our little suspension hack if a previous - * call suspended; then mark the main buffer empty. - */ - if (main->suspended) { - (*in_row_ctr)++; - main->suspended = FALSE; - } - } - - /* If get here, we are done with this iMCU row. Mark buffer empty. */ - main->rowgroup_ctr = 0; - main->cur_iMCU_row++; - } -} - -#endif /* FULL_MAIN_BUFFER_SUPPORTED */ - - -/* - * Initialize main buffer controller. - */ - -GLOBAL(void) -jinit_c_main_controller (j_compress_ptr cinfo, boolean need_full_buffer) -{ - my_main_ptr main; - int ci; - jpeg_component_info *compptr; - - main = (my_main_ptr) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(my_main_controller)); - cinfo->main = (struct jpeg_c_main_controller *) main; - main->pub.start_pass = start_pass_main; - - /* We don't need to create a buffer in raw-data mode. */ - if (cinfo->raw_data_in) - return; - - /* Create the buffer. It holds downsampled data, so each component - * may be of a different size. - */ - if (need_full_buffer) { -#ifdef FULL_MAIN_BUFFER_SUPPORTED - /* Allocate a full-image virtual array for each component */ - /* Note we pad the bottom to a multiple of the iMCU height */ - for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; - ci++, compptr++) { - main->whole_image[ci] = (*cinfo->mem->request_virt_sarray) - ((j_common_ptr) cinfo, JPOOL_IMAGE, FALSE, - compptr->width_in_blocks * DCTSIZE, - (JDIMENSION) jround_up((long) compptr->height_in_blocks, - (long) compptr->v_samp_factor) * DCTSIZE, - (JDIMENSION) (compptr->v_samp_factor * DCTSIZE)); - } -#else - ERREXIT(cinfo, JERR_BAD_BUFFER_MODE); -#endif - } else { -#ifdef FULL_MAIN_BUFFER_SUPPORTED - main->whole_image[0] = NULL; /* flag for no virtual arrays */ -#endif - /* Allocate a strip buffer for each component */ - for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; - ci++, compptr++) { - main->buffer[ci] = (*cinfo->mem->alloc_sarray) - ((j_common_ptr) cinfo, JPOOL_IMAGE, - compptr->width_in_blocks * DCTSIZE, - (JDIMENSION) (compptr->v_samp_factor * DCTSIZE)); - } - } -} diff --git a/common/jpeg/jcmarker.c b/common/jpeg/jcmarker.c deleted file mode 100644 index 3d1e6c6d..00000000 --- a/common/jpeg/jcmarker.c +++ /dev/null @@ -1,664 +0,0 @@ -/* - * jcmarker.c - * - * Copyright (C) 1991-1998, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains routines to write JPEG datastream markers. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" - - -typedef enum { /* JPEG marker codes */ - M_SOF0 = 0xc0, - M_SOF1 = 0xc1, - M_SOF2 = 0xc2, - M_SOF3 = 0xc3, - - M_SOF5 = 0xc5, - M_SOF6 = 0xc6, - M_SOF7 = 0xc7, - - M_JPG = 0xc8, - M_SOF9 = 0xc9, - M_SOF10 = 0xca, - M_SOF11 = 0xcb, - - M_SOF13 = 0xcd, - M_SOF14 = 0xce, - M_SOF15 = 0xcf, - - M_DHT = 0xc4, - - M_DAC = 0xcc, - - M_RST0 = 0xd0, - M_RST1 = 0xd1, - M_RST2 = 0xd2, - M_RST3 = 0xd3, - M_RST4 = 0xd4, - M_RST5 = 0xd5, - M_RST6 = 0xd6, - M_RST7 = 0xd7, - - M_SOI = 0xd8, - M_EOI = 0xd9, - M_SOS = 0xda, - M_DQT = 0xdb, - M_DNL = 0xdc, - M_DRI = 0xdd, - M_DHP = 0xde, - M_EXP = 0xdf, - - M_APP0 = 0xe0, - M_APP1 = 0xe1, - M_APP2 = 0xe2, - M_APP3 = 0xe3, - M_APP4 = 0xe4, - M_APP5 = 0xe5, - M_APP6 = 0xe6, - M_APP7 = 0xe7, - M_APP8 = 0xe8, - M_APP9 = 0xe9, - M_APP10 = 0xea, - M_APP11 = 0xeb, - M_APP12 = 0xec, - M_APP13 = 0xed, - M_APP14 = 0xee, - M_APP15 = 0xef, - - M_JPG0 = 0xf0, - M_JPG13 = 0xfd, - M_COM = 0xfe, - - M_TEM = 0x01, - - M_ERROR = 0x100 -} JPEG_MARKER; - - -/* Private state */ - -typedef struct { - struct jpeg_marker_writer pub; /* public fields */ - - unsigned int last_restart_interval; /* last DRI value emitted; 0 after SOI */ -} my_marker_writer; - -typedef my_marker_writer * my_marker_ptr; - - -/* - * Basic output routines. - * - * Note that we do not support suspension while writing a marker. - * Therefore, an application using suspension must ensure that there is - * enough buffer space for the initial markers (typ. 600-700 bytes) before - * calling jpeg_start_compress, and enough space to write the trailing EOI - * (a few bytes) before calling jpeg_finish_compress. Multipass compression - * modes are not supported at all with suspension, so those two are the only - * points where markers will be written. - */ - -LOCAL(void) -emit_byte (j_compress_ptr cinfo, int val) -/* Emit a byte */ -{ - struct jpeg_destination_mgr * dest = cinfo->dest; - - *(dest->next_output_byte)++ = (JOCTET) val; - if (--dest->free_in_buffer == 0) { - if (! (*dest->empty_output_buffer) (cinfo)) - ERREXIT(cinfo, JERR_CANT_SUSPEND); - } -} - - -LOCAL(void) -emit_marker (j_compress_ptr cinfo, JPEG_MARKER mark) -/* Emit a marker code */ -{ - emit_byte(cinfo, 0xFF); - emit_byte(cinfo, (int) mark); -} - - -LOCAL(void) -emit_2bytes (j_compress_ptr cinfo, int value) -/* Emit a 2-byte integer; these are always MSB first in JPEG files */ -{ - emit_byte(cinfo, (value >> 8) & 0xFF); - emit_byte(cinfo, value & 0xFF); -} - - -/* - * Routines to write specific marker types. - */ - -LOCAL(int) -emit_dqt (j_compress_ptr cinfo, int index) -/* Emit a DQT marker */ -/* Returns the precision used (0 = 8bits, 1 = 16bits) for baseline checking */ -{ - JQUANT_TBL * qtbl = cinfo->quant_tbl_ptrs[index]; - int prec; - int i; - - if (qtbl == NULL) - ERREXIT1(cinfo, JERR_NO_QUANT_TABLE, index); - - prec = 0; - for (i = 0; i < DCTSIZE2; i++) { - if (qtbl->quantval[i] > 255) - prec = 1; - } - - if (! qtbl->sent_table) { - emit_marker(cinfo, M_DQT); - - emit_2bytes(cinfo, prec ? DCTSIZE2*2 + 1 + 2 : DCTSIZE2 + 1 + 2); - - emit_byte(cinfo, index + (prec<<4)); - - for (i = 0; i < DCTSIZE2; i++) { - /* The table entries must be emitted in zigzag order. */ - unsigned int qval = qtbl->quantval[jpeg_natural_order[i]]; - if (prec) - emit_byte(cinfo, (int) (qval >> 8)); - emit_byte(cinfo, (int) (qval & 0xFF)); - } - - qtbl->sent_table = TRUE; - } - - return prec; -} - - -LOCAL(void) -emit_dht (j_compress_ptr cinfo, int index, boolean is_ac) -/* Emit a DHT marker */ -{ - JHUFF_TBL * htbl; - int length, i; - - if (is_ac) { - htbl = cinfo->ac_huff_tbl_ptrs[index]; - index += 0x10; /* output index has AC bit set */ - } else { - htbl = cinfo->dc_huff_tbl_ptrs[index]; - } - - if (htbl == NULL) - ERREXIT1(cinfo, JERR_NO_HUFF_TABLE, index); - - if (! htbl->sent_table) { - emit_marker(cinfo, M_DHT); - - length = 0; - for (i = 1; i <= 16; i++) - length += htbl->bits[i]; - - emit_2bytes(cinfo, length + 2 + 1 + 16); - emit_byte(cinfo, index); - - for (i = 1; i <= 16; i++) - emit_byte(cinfo, htbl->bits[i]); - - for (i = 0; i < length; i++) - emit_byte(cinfo, htbl->huffval[i]); - - htbl->sent_table = TRUE; - } -} - - -LOCAL(void) -emit_dac (j_compress_ptr cinfo) -/* Emit a DAC marker */ -/* Since the useful info is so small, we want to emit all the tables in */ -/* one DAC marker. Therefore this routine does its own scan of the table. */ -{ -#ifdef C_ARITH_CODING_SUPPORTED - char dc_in_use[NUM_ARITH_TBLS]; - char ac_in_use[NUM_ARITH_TBLS]; - int length, i; - jpeg_component_info *compptr; - - for (i = 0; i < NUM_ARITH_TBLS; i++) - dc_in_use[i] = ac_in_use[i] = 0; - - for (i = 0; i < cinfo->comps_in_scan; i++) { - compptr = cinfo->cur_comp_info[i]; - dc_in_use[compptr->dc_tbl_no] = 1; - ac_in_use[compptr->ac_tbl_no] = 1; - } - - length = 0; - for (i = 0; i < NUM_ARITH_TBLS; i++) - length += dc_in_use[i] + ac_in_use[i]; - - emit_marker(cinfo, M_DAC); - - emit_2bytes(cinfo, length*2 + 2); - - for (i = 0; i < NUM_ARITH_TBLS; i++) { - if (dc_in_use[i]) { - emit_byte(cinfo, i); - emit_byte(cinfo, cinfo->arith_dc_L[i] + (cinfo->arith_dc_U[i]<<4)); - } - if (ac_in_use[i]) { - emit_byte(cinfo, i + 0x10); - emit_byte(cinfo, cinfo->arith_ac_K[i]); - } - } -#endif /* C_ARITH_CODING_SUPPORTED */ -} - - -LOCAL(void) -emit_dri (j_compress_ptr cinfo) -/* Emit a DRI marker */ -{ - emit_marker(cinfo, M_DRI); - - emit_2bytes(cinfo, 4); /* fixed length */ - - emit_2bytes(cinfo, (int) cinfo->restart_interval); -} - - -LOCAL(void) -emit_sof (j_compress_ptr cinfo, JPEG_MARKER code) -/* Emit a SOF marker */ -{ - int ci; - jpeg_component_info *compptr; - - emit_marker(cinfo, code); - - emit_2bytes(cinfo, 3 * cinfo->num_components + 2 + 5 + 1); /* length */ - - /* Make sure image isn't bigger than SOF field can handle */ - if ((long) cinfo->image_height > 65535L || - (long) cinfo->image_width > 65535L) - ERREXIT1(cinfo, JERR_IMAGE_TOO_BIG, (unsigned int) 65535); - - emit_byte(cinfo, cinfo->data_precision); - emit_2bytes(cinfo, (int) cinfo->image_height); - emit_2bytes(cinfo, (int) cinfo->image_width); - - emit_byte(cinfo, cinfo->num_components); - - for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; - ci++, compptr++) { - emit_byte(cinfo, compptr->component_id); - emit_byte(cinfo, (compptr->h_samp_factor << 4) + compptr->v_samp_factor); - emit_byte(cinfo, compptr->quant_tbl_no); - } -} - - -LOCAL(void) -emit_sos (j_compress_ptr cinfo) -/* Emit a SOS marker */ -{ - int i, td, ta; - jpeg_component_info *compptr; - - emit_marker(cinfo, M_SOS); - - emit_2bytes(cinfo, 2 * cinfo->comps_in_scan + 2 + 1 + 3); /* length */ - - emit_byte(cinfo, cinfo->comps_in_scan); - - for (i = 0; i < cinfo->comps_in_scan; i++) { - compptr = cinfo->cur_comp_info[i]; - emit_byte(cinfo, compptr->component_id); - td = compptr->dc_tbl_no; - ta = compptr->ac_tbl_no; - if (cinfo->progressive_mode) { - /* Progressive mode: only DC or only AC tables are used in one scan; - * furthermore, Huffman coding of DC refinement uses no table at all. - * We emit 0 for unused field(s); this is recommended by the P&M text - * but does not seem to be specified in the standard. - */ - if (cinfo->Ss == 0) { - ta = 0; /* DC scan */ - if (cinfo->Ah != 0 && !cinfo->arith_code) - td = 0; /* no DC table either */ - } else { - td = 0; /* AC scan */ - } - } - emit_byte(cinfo, (td << 4) + ta); - } - - emit_byte(cinfo, cinfo->Ss); - emit_byte(cinfo, cinfo->Se); - emit_byte(cinfo, (cinfo->Ah << 4) + cinfo->Al); -} - - -LOCAL(void) -emit_jfif_app0 (j_compress_ptr cinfo) -/* Emit a JFIF-compliant APP0 marker */ -{ - /* - * Length of APP0 block (2 bytes) - * Block ID (4 bytes - ASCII "JFIF") - * Zero byte (1 byte to terminate the ID string) - * Version Major, Minor (2 bytes - major first) - * Units (1 byte - 0x00 = none, 0x01 = inch, 0x02 = cm) - * Xdpu (2 bytes - dots per unit horizontal) - * Ydpu (2 bytes - dots per unit vertical) - * Thumbnail X size (1 byte) - * Thumbnail Y size (1 byte) - */ - - emit_marker(cinfo, M_APP0); - - emit_2bytes(cinfo, 2 + 4 + 1 + 2 + 1 + 2 + 2 + 1 + 1); /* length */ - - emit_byte(cinfo, 0x4A); /* Identifier: ASCII "JFIF" */ - emit_byte(cinfo, 0x46); - emit_byte(cinfo, 0x49); - emit_byte(cinfo, 0x46); - emit_byte(cinfo, 0); - emit_byte(cinfo, cinfo->JFIF_major_version); /* Version fields */ - emit_byte(cinfo, cinfo->JFIF_minor_version); - emit_byte(cinfo, cinfo->density_unit); /* Pixel size information */ - emit_2bytes(cinfo, (int) cinfo->X_density); - emit_2bytes(cinfo, (int) cinfo->Y_density); - emit_byte(cinfo, 0); /* No thumbnail image */ - emit_byte(cinfo, 0); -} - - -LOCAL(void) -emit_adobe_app14 (j_compress_ptr cinfo) -/* Emit an Adobe APP14 marker */ -{ - /* - * Length of APP14 block (2 bytes) - * Block ID (5 bytes - ASCII "Adobe") - * Version Number (2 bytes - currently 100) - * Flags0 (2 bytes - currently 0) - * Flags1 (2 bytes - currently 0) - * Color transform (1 byte) - * - * Although Adobe TN 5116 mentions Version = 101, all the Adobe files - * now in circulation seem to use Version = 100, so that's what we write. - * - * We write the color transform byte as 1 if the JPEG color space is - * YCbCr, 2 if it's YCCK, 0 otherwise. Adobe's definition has to do with - * whether the encoder performed a transformation, which is pretty useless. - */ - - emit_marker(cinfo, M_APP14); - - emit_2bytes(cinfo, 2 + 5 + 2 + 2 + 2 + 1); /* length */ - - emit_byte(cinfo, 0x41); /* Identifier: ASCII "Adobe" */ - emit_byte(cinfo, 0x64); - emit_byte(cinfo, 0x6F); - emit_byte(cinfo, 0x62); - emit_byte(cinfo, 0x65); - emit_2bytes(cinfo, 100); /* Version */ - emit_2bytes(cinfo, 0); /* Flags0 */ - emit_2bytes(cinfo, 0); /* Flags1 */ - switch (cinfo->jpeg_color_space) { - case JCS_YCbCr: - emit_byte(cinfo, 1); /* Color transform = 1 */ - break; - case JCS_YCCK: - emit_byte(cinfo, 2); /* Color transform = 2 */ - break; - default: - emit_byte(cinfo, 0); /* Color transform = 0 */ - break; - } -} - - -/* - * These routines allow writing an arbitrary marker with parameters. - * The only intended use is to emit COM or APPn markers after calling - * write_file_header and before calling write_frame_header. - * Other uses are not guaranteed to produce desirable results. - * Counting the parameter bytes properly is the caller's responsibility. - */ - -METHODDEF(void) -write_marker_header (j_compress_ptr cinfo, int marker, unsigned int datalen) -/* Emit an arbitrary marker header */ -{ - if (datalen > (unsigned int) 65533) /* safety check */ - ERREXIT(cinfo, JERR_BAD_LENGTH); - - emit_marker(cinfo, (JPEG_MARKER) marker); - - emit_2bytes(cinfo, (int) (datalen + 2)); /* total length */ -} - -METHODDEF(void) -write_marker_byte (j_compress_ptr cinfo, int val) -/* Emit one byte of marker parameters following write_marker_header */ -{ - emit_byte(cinfo, val); -} - - -/* - * Write datastream header. - * This consists of an SOI and optional APPn markers. - * We recommend use of the JFIF marker, but not the Adobe marker, - * when using YCbCr or grayscale data. The JFIF marker should NOT - * be used for any other JPEG colorspace. The Adobe marker is helpful - * to distinguish RGB, CMYK, and YCCK colorspaces. - * Note that an application can write additional header markers after - * jpeg_start_compress returns. - */ - -METHODDEF(void) -write_file_header (j_compress_ptr cinfo) -{ - my_marker_ptr marker = (my_marker_ptr) cinfo->marker; - - emit_marker(cinfo, M_SOI); /* first the SOI */ - - /* SOI is defined to reset restart interval to 0 */ - marker->last_restart_interval = 0; - - if (cinfo->write_JFIF_header) /* next an optional JFIF APP0 */ - emit_jfif_app0(cinfo); - if (cinfo->write_Adobe_marker) /* next an optional Adobe APP14 */ - emit_adobe_app14(cinfo); -} - - -/* - * Write frame header. - * This consists of DQT and SOFn markers. - * Note that we do not emit the SOF until we have emitted the DQT(s). - * This avoids compatibility problems with incorrect implementations that - * try to error-check the quant table numbers as soon as they see the SOF. - */ - -METHODDEF(void) -write_frame_header (j_compress_ptr cinfo) -{ - int ci, prec; - boolean is_baseline; - jpeg_component_info *compptr; - - /* Emit DQT for each quantization table. - * Note that emit_dqt() suppresses any duplicate tables. - */ - prec = 0; - for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; - ci++, compptr++) { - prec += emit_dqt(cinfo, compptr->quant_tbl_no); - } - /* now prec is nonzero iff there are any 16-bit quant tables. */ - - /* Check for a non-baseline specification. - * Note we assume that Huffman table numbers won't be changed later. - */ - if (cinfo->arith_code || cinfo->progressive_mode || - cinfo->data_precision != 8) { - is_baseline = FALSE; - } else { - is_baseline = TRUE; - for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; - ci++, compptr++) { - if (compptr->dc_tbl_no > 1 || compptr->ac_tbl_no > 1) - is_baseline = FALSE; - } - if (prec && is_baseline) { - is_baseline = FALSE; - /* If it's baseline except for quantizer size, warn the user */ - TRACEMS(cinfo, 0, JTRC_16BIT_TABLES); - } - } - - /* Emit the proper SOF marker */ - if (cinfo->arith_code) { - emit_sof(cinfo, M_SOF9); /* SOF code for arithmetic coding */ - } else { - if (cinfo->progressive_mode) - emit_sof(cinfo, M_SOF2); /* SOF code for progressive Huffman */ - else if (is_baseline) - emit_sof(cinfo, M_SOF0); /* SOF code for baseline implementation */ - else - emit_sof(cinfo, M_SOF1); /* SOF code for non-baseline Huffman file */ - } -} - - -/* - * Write scan header. - * This consists of DHT or DAC markers, optional DRI, and SOS. - * Compressed data will be written following the SOS. - */ - -METHODDEF(void) -write_scan_header (j_compress_ptr cinfo) -{ - my_marker_ptr marker = (my_marker_ptr) cinfo->marker; - int i; - jpeg_component_info *compptr; - - if (cinfo->arith_code) { - /* Emit arith conditioning info. We may have some duplication - * if the file has multiple scans, but it's so small it's hardly - * worth worrying about. - */ - emit_dac(cinfo); - } else { - /* Emit Huffman tables. - * Note that emit_dht() suppresses any duplicate tables. - */ - for (i = 0; i < cinfo->comps_in_scan; i++) { - compptr = cinfo->cur_comp_info[i]; - if (cinfo->progressive_mode) { - /* Progressive mode: only DC or only AC tables are used in one scan */ - if (cinfo->Ss == 0) { - if (cinfo->Ah == 0) /* DC needs no table for refinement scan */ - emit_dht(cinfo, compptr->dc_tbl_no, FALSE); - } else { - emit_dht(cinfo, compptr->ac_tbl_no, TRUE); - } - } else { - /* Sequential mode: need both DC and AC tables */ - emit_dht(cinfo, compptr->dc_tbl_no, FALSE); - emit_dht(cinfo, compptr->ac_tbl_no, TRUE); - } - } - } - - /* Emit DRI if required --- note that DRI value could change for each scan. - * We avoid wasting space with unnecessary DRIs, however. - */ - if (cinfo->restart_interval != marker->last_restart_interval) { - emit_dri(cinfo); - marker->last_restart_interval = cinfo->restart_interval; - } - - emit_sos(cinfo); -} - - -/* - * Write datastream trailer. - */ - -METHODDEF(void) -write_file_trailer (j_compress_ptr cinfo) -{ - emit_marker(cinfo, M_EOI); -} - - -/* - * Write an abbreviated table-specification datastream. - * This consists of SOI, DQT and DHT tables, and EOI. - * Any table that is defined and not marked sent_table = TRUE will be - * emitted. Note that all tables will be marked sent_table = TRUE at exit. - */ - -METHODDEF(void) -write_tables_only (j_compress_ptr cinfo) -{ - int i; - - emit_marker(cinfo, M_SOI); - - for (i = 0; i < NUM_QUANT_TBLS; i++) { - if (cinfo->quant_tbl_ptrs[i] != NULL) - (void) emit_dqt(cinfo, i); - } - - if (! cinfo->arith_code) { - for (i = 0; i < NUM_HUFF_TBLS; i++) { - if (cinfo->dc_huff_tbl_ptrs[i] != NULL) - emit_dht(cinfo, i, FALSE); - if (cinfo->ac_huff_tbl_ptrs[i] != NULL) - emit_dht(cinfo, i, TRUE); - } - } - - emit_marker(cinfo, M_EOI); -} - - -/* - * Initialize the marker writer module. - */ - -GLOBAL(void) -jinit_marker_writer (j_compress_ptr cinfo) -{ - my_marker_ptr marker; - - /* Create the subobject */ - marker = (my_marker_ptr) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(my_marker_writer)); - cinfo->marker = (struct jpeg_marker_writer *) marker; - /* Initialize method pointers */ - marker->pub.write_file_header = write_file_header; - marker->pub.write_frame_header = write_frame_header; - marker->pub.write_scan_header = write_scan_header; - marker->pub.write_file_trailer = write_file_trailer; - marker->pub.write_tables_only = write_tables_only; - marker->pub.write_marker_header = write_marker_header; - marker->pub.write_marker_byte = write_marker_byte; - /* Initialize private state */ - marker->last_restart_interval = 0; -} diff --git a/common/jpeg/jcmaster.c b/common/jpeg/jcmaster.c deleted file mode 100644 index aab4020b..00000000 --- a/common/jpeg/jcmaster.c +++ /dev/null @@ -1,590 +0,0 @@ -/* - * jcmaster.c - * - * Copyright (C) 1991-1997, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains master control logic for the JPEG compressor. - * These routines are concerned with parameter validation, initial setup, - * and inter-pass control (determining the number of passes and the work - * to be done in each pass). - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" - - -/* Private state */ - -typedef enum { - main_pass, /* input data, also do first output step */ - huff_opt_pass, /* Huffman code optimization pass */ - output_pass /* data output pass */ -} c_pass_type; - -typedef struct { - struct jpeg_comp_master pub; /* public fields */ - - c_pass_type pass_type; /* the type of the current pass */ - - int pass_number; /* # of passes completed */ - int total_passes; /* total # of passes needed */ - - int scan_number; /* current index in scan_info[] */ -} my_comp_master; - -typedef my_comp_master * my_master_ptr; - - -/* - * Support routines that do various essential calculations. - */ - -LOCAL(void) -initial_setup (j_compress_ptr cinfo) -/* Do computations that are needed before master selection phase */ -{ - int ci; - jpeg_component_info *compptr; - long samplesperrow; - JDIMENSION jd_samplesperrow; - - /* Sanity check on image dimensions */ - if (cinfo->image_height <= 0 || cinfo->image_width <= 0 - || cinfo->num_components <= 0 || cinfo->input_components <= 0) - ERREXIT(cinfo, JERR_EMPTY_IMAGE); - - /* Make sure image isn't bigger than I can handle */ - if ((long) cinfo->image_height > (long) JPEG_MAX_DIMENSION || - (long) cinfo->image_width > (long) JPEG_MAX_DIMENSION) - ERREXIT1(cinfo, JERR_IMAGE_TOO_BIG, (unsigned int) JPEG_MAX_DIMENSION); - - /* Width of an input scanline must be representable as JDIMENSION. */ - samplesperrow = (long) cinfo->image_width * (long) cinfo->input_components; - jd_samplesperrow = (JDIMENSION) samplesperrow; - if ((long) jd_samplesperrow != samplesperrow) - ERREXIT(cinfo, JERR_WIDTH_OVERFLOW); - - /* For now, precision must match compiled-in value... */ - if (cinfo->data_precision != BITS_IN_JSAMPLE) - ERREXIT1(cinfo, JERR_BAD_PRECISION, cinfo->data_precision); - - /* Check that number of components won't exceed internal array sizes */ - if (cinfo->num_components > MAX_COMPONENTS) - ERREXIT2(cinfo, JERR_COMPONENT_COUNT, cinfo->num_components, - MAX_COMPONENTS); - - /* Compute maximum sampling factors; check factor validity */ - cinfo->max_h_samp_factor = 1; - cinfo->max_v_samp_factor = 1; - for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; - ci++, compptr++) { - if (compptr->h_samp_factor<=0 || compptr->h_samp_factor>MAX_SAMP_FACTOR || - compptr->v_samp_factor<=0 || compptr->v_samp_factor>MAX_SAMP_FACTOR) - ERREXIT(cinfo, JERR_BAD_SAMPLING); - cinfo->max_h_samp_factor = MAX(cinfo->max_h_samp_factor, - compptr->h_samp_factor); - cinfo->max_v_samp_factor = MAX(cinfo->max_v_samp_factor, - compptr->v_samp_factor); - } - - /* Compute dimensions of components */ - for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; - ci++, compptr++) { - /* Fill in the correct component_index value; don't rely on application */ - compptr->component_index = ci; - /* For compression, we never do DCT scaling. */ - compptr->DCT_scaled_size = DCTSIZE; - /* Size in DCT blocks */ - compptr->width_in_blocks = (JDIMENSION) - jdiv_round_up((long) cinfo->image_width * (long) compptr->h_samp_factor, - (long) (cinfo->max_h_samp_factor * DCTSIZE)); - compptr->height_in_blocks = (JDIMENSION) - jdiv_round_up((long) cinfo->image_height * (long) compptr->v_samp_factor, - (long) (cinfo->max_v_samp_factor * DCTSIZE)); - /* Size in samples */ - compptr->downsampled_width = (JDIMENSION) - jdiv_round_up((long) cinfo->image_width * (long) compptr->h_samp_factor, - (long) cinfo->max_h_samp_factor); - compptr->downsampled_height = (JDIMENSION) - jdiv_round_up((long) cinfo->image_height * (long) compptr->v_samp_factor, - (long) cinfo->max_v_samp_factor); - /* Mark component needed (this flag isn't actually used for compression) */ - compptr->component_needed = TRUE; - } - - /* Compute number of fully interleaved MCU rows (number of times that - * main controller will call coefficient controller). - */ - cinfo->total_iMCU_rows = (JDIMENSION) - jdiv_round_up((long) cinfo->image_height, - (long) (cinfo->max_v_samp_factor*DCTSIZE)); -} - - -#ifdef C_MULTISCAN_FILES_SUPPORTED - -LOCAL(void) -validate_script (j_compress_ptr cinfo) -/* Verify that the scan script in cinfo->scan_info[] is valid; also - * determine whether it uses progressive JPEG, and set cinfo->progressive_mode. - */ -{ - const jpeg_scan_info * scanptr; - int scanno, ncomps, ci, coefi, thisi; - int Ss, Se, Ah, Al; - boolean component_sent[MAX_COMPONENTS]; -#ifdef C_PROGRESSIVE_SUPPORTED - int * last_bitpos_ptr; - int last_bitpos[MAX_COMPONENTS][DCTSIZE2]; - /* -1 until that coefficient has been seen; then last Al for it */ -#endif - - if (cinfo->num_scans <= 0) - ERREXIT1(cinfo, JERR_BAD_SCAN_SCRIPT, 0); - - /* For sequential JPEG, all scans must have Ss=0, Se=DCTSIZE2-1; - * for progressive JPEG, no scan can have this. - */ - scanptr = cinfo->scan_info; - if (scanptr->Ss != 0 || scanptr->Se != DCTSIZE2-1) { -#ifdef C_PROGRESSIVE_SUPPORTED - cinfo->progressive_mode = TRUE; - last_bitpos_ptr = & last_bitpos[0][0]; - for (ci = 0; ci < cinfo->num_components; ci++) - for (coefi = 0; coefi < DCTSIZE2; coefi++) - *last_bitpos_ptr++ = -1; -#else - ERREXIT(cinfo, JERR_NOT_COMPILED); -#endif - } else { - cinfo->progressive_mode = FALSE; - for (ci = 0; ci < cinfo->num_components; ci++) - component_sent[ci] = FALSE; - } - - for (scanno = 1; scanno <= cinfo->num_scans; scanptr++, scanno++) { - /* Validate component indexes */ - ncomps = scanptr->comps_in_scan; - if (ncomps <= 0 || ncomps > MAX_COMPS_IN_SCAN) - ERREXIT2(cinfo, JERR_COMPONENT_COUNT, ncomps, MAX_COMPS_IN_SCAN); - for (ci = 0; ci < ncomps; ci++) { - thisi = scanptr->component_index[ci]; - if (thisi < 0 || thisi >= cinfo->num_components) - ERREXIT1(cinfo, JERR_BAD_SCAN_SCRIPT, scanno); - /* Components must appear in SOF order within each scan */ - if (ci > 0 && thisi <= scanptr->component_index[ci-1]) - ERREXIT1(cinfo, JERR_BAD_SCAN_SCRIPT, scanno); - } - /* Validate progression parameters */ - Ss = scanptr->Ss; - Se = scanptr->Se; - Ah = scanptr->Ah; - Al = scanptr->Al; - if (cinfo->progressive_mode) { -#ifdef C_PROGRESSIVE_SUPPORTED - /* The JPEG spec simply gives the ranges 0..13 for Ah and Al, but that - * seems wrong: the upper bound ought to depend on data precision. - * Perhaps they really meant 0..N+1 for N-bit precision. - * Here we allow 0..10 for 8-bit data; Al larger than 10 results in - * out-of-range reconstructed DC values during the first DC scan, - * which might cause problems for some decoders. - */ -#if BITS_IN_JSAMPLE == 8 -#define MAX_AH_AL 10 -#else -#define MAX_AH_AL 13 -#endif - if (Ss < 0 || Ss >= DCTSIZE2 || Se < Ss || Se >= DCTSIZE2 || - Ah < 0 || Ah > MAX_AH_AL || Al < 0 || Al > MAX_AH_AL) - ERREXIT1(cinfo, JERR_BAD_PROG_SCRIPT, scanno); - if (Ss == 0) { - if (Se != 0) /* DC and AC together not OK */ - ERREXIT1(cinfo, JERR_BAD_PROG_SCRIPT, scanno); - } else { - if (ncomps != 1) /* AC scans must be for only one component */ - ERREXIT1(cinfo, JERR_BAD_PROG_SCRIPT, scanno); - } - for (ci = 0; ci < ncomps; ci++) { - last_bitpos_ptr = & last_bitpos[scanptr->component_index[ci]][0]; - if (Ss != 0 && last_bitpos_ptr[0] < 0) /* AC without prior DC scan */ - ERREXIT1(cinfo, JERR_BAD_PROG_SCRIPT, scanno); - for (coefi = Ss; coefi <= Se; coefi++) { - if (last_bitpos_ptr[coefi] < 0) { - /* first scan of this coefficient */ - if (Ah != 0) - ERREXIT1(cinfo, JERR_BAD_PROG_SCRIPT, scanno); - } else { - /* not first scan */ - if (Ah != last_bitpos_ptr[coefi] || Al != Ah-1) - ERREXIT1(cinfo, JERR_BAD_PROG_SCRIPT, scanno); - } - last_bitpos_ptr[coefi] = Al; - } - } -#endif - } else { - /* For sequential JPEG, all progression parameters must be these: */ - if (Ss != 0 || Se != DCTSIZE2-1 || Ah != 0 || Al != 0) - ERREXIT1(cinfo, JERR_BAD_PROG_SCRIPT, scanno); - /* Make sure components are not sent twice */ - for (ci = 0; ci < ncomps; ci++) { - thisi = scanptr->component_index[ci]; - if (component_sent[thisi]) - ERREXIT1(cinfo, JERR_BAD_SCAN_SCRIPT, scanno); - component_sent[thisi] = TRUE; - } - } - } - - /* Now verify that everything got sent. */ - if (cinfo->progressive_mode) { -#ifdef C_PROGRESSIVE_SUPPORTED - /* For progressive mode, we only check that at least some DC data - * got sent for each component; the spec does not require that all bits - * of all coefficients be transmitted. Would it be wiser to enforce - * transmission of all coefficient bits?? - */ - for (ci = 0; ci < cinfo->num_components; ci++) { - if (last_bitpos[ci][0] < 0) - ERREXIT(cinfo, JERR_MISSING_DATA); - } -#endif - } else { - for (ci = 0; ci < cinfo->num_components; ci++) { - if (! component_sent[ci]) - ERREXIT(cinfo, JERR_MISSING_DATA); - } - } -} - -#endif /* C_MULTISCAN_FILES_SUPPORTED */ - - -LOCAL(void) -select_scan_parameters (j_compress_ptr cinfo) -/* Set up the scan parameters for the current scan */ -{ - int ci; - -#ifdef C_MULTISCAN_FILES_SUPPORTED - if (cinfo->scan_info != NULL) { - /* Prepare for current scan --- the script is already validated */ - my_master_ptr master = (my_master_ptr) cinfo->master; - const jpeg_scan_info * scanptr = cinfo->scan_info + master->scan_number; - - cinfo->comps_in_scan = scanptr->comps_in_scan; - for (ci = 0; ci < scanptr->comps_in_scan; ci++) { - cinfo->cur_comp_info[ci] = - &cinfo->comp_info[scanptr->component_index[ci]]; - } - cinfo->Ss = scanptr->Ss; - cinfo->Se = scanptr->Se; - cinfo->Ah = scanptr->Ah; - cinfo->Al = scanptr->Al; - } - else -#endif - { - /* Prepare for single sequential-JPEG scan containing all components */ - if (cinfo->num_components > MAX_COMPS_IN_SCAN) - ERREXIT2(cinfo, JERR_COMPONENT_COUNT, cinfo->num_components, - MAX_COMPS_IN_SCAN); - cinfo->comps_in_scan = cinfo->num_components; - for (ci = 0; ci < cinfo->num_components; ci++) { - cinfo->cur_comp_info[ci] = &cinfo->comp_info[ci]; - } - cinfo->Ss = 0; - cinfo->Se = DCTSIZE2-1; - cinfo->Ah = 0; - cinfo->Al = 0; - } -} - - -LOCAL(void) -per_scan_setup (j_compress_ptr cinfo) -/* Do computations that are needed before processing a JPEG scan */ -/* cinfo->comps_in_scan and cinfo->cur_comp_info[] are already set */ -{ - int ci, mcublks, tmp; - jpeg_component_info *compptr; - - if (cinfo->comps_in_scan == 1) { - - /* Noninterleaved (single-component) scan */ - compptr = cinfo->cur_comp_info[0]; - - /* Overall image size in MCUs */ - cinfo->MCUs_per_row = compptr->width_in_blocks; - cinfo->MCU_rows_in_scan = compptr->height_in_blocks; - - /* For noninterleaved scan, always one block per MCU */ - compptr->MCU_width = 1; - compptr->MCU_height = 1; - compptr->MCU_blocks = 1; - compptr->MCU_sample_width = DCTSIZE; - compptr->last_col_width = 1; - /* For noninterleaved scans, it is convenient to define last_row_height - * as the number of block rows present in the last iMCU row. - */ - tmp = (int) (compptr->height_in_blocks % compptr->v_samp_factor); - if (tmp == 0) tmp = compptr->v_samp_factor; - compptr->last_row_height = tmp; - - /* Prepare array describing MCU composition */ - cinfo->blocks_in_MCU = 1; - cinfo->MCU_membership[0] = 0; - - } else { - - /* Interleaved (multi-component) scan */ - if (cinfo->comps_in_scan <= 0 || cinfo->comps_in_scan > MAX_COMPS_IN_SCAN) - ERREXIT2(cinfo, JERR_COMPONENT_COUNT, cinfo->comps_in_scan, - MAX_COMPS_IN_SCAN); - - /* Overall image size in MCUs */ - cinfo->MCUs_per_row = (JDIMENSION) - jdiv_round_up((long) cinfo->image_width, - (long) (cinfo->max_h_samp_factor*DCTSIZE)); - cinfo->MCU_rows_in_scan = (JDIMENSION) - jdiv_round_up((long) cinfo->image_height, - (long) (cinfo->max_v_samp_factor*DCTSIZE)); - - cinfo->blocks_in_MCU = 0; - - for (ci = 0; ci < cinfo->comps_in_scan; ci++) { - compptr = cinfo->cur_comp_info[ci]; - /* Sampling factors give # of blocks of component in each MCU */ - compptr->MCU_width = compptr->h_samp_factor; - compptr->MCU_height = compptr->v_samp_factor; - compptr->MCU_blocks = compptr->MCU_width * compptr->MCU_height; - compptr->MCU_sample_width = compptr->MCU_width * DCTSIZE; - /* Figure number of non-dummy blocks in last MCU column & row */ - tmp = (int) (compptr->width_in_blocks % compptr->MCU_width); - if (tmp == 0) tmp = compptr->MCU_width; - compptr->last_col_width = tmp; - tmp = (int) (compptr->height_in_blocks % compptr->MCU_height); - if (tmp == 0) tmp = compptr->MCU_height; - compptr->last_row_height = tmp; - /* Prepare array describing MCU composition */ - mcublks = compptr->MCU_blocks; - if (cinfo->blocks_in_MCU + mcublks > C_MAX_BLOCKS_IN_MCU) - ERREXIT(cinfo, JERR_BAD_MCU_SIZE); - while (mcublks-- > 0) { - cinfo->MCU_membership[cinfo->blocks_in_MCU++] = ci; - } - } - - } - - /* Convert restart specified in rows to actual MCU count. */ - /* Note that count must fit in 16 bits, so we provide limiting. */ - if (cinfo->restart_in_rows > 0) { - long nominal = (long) cinfo->restart_in_rows * (long) cinfo->MCUs_per_row; - cinfo->restart_interval = (unsigned int) MIN(nominal, 65535L); - } -} - - -/* - * Per-pass setup. - * This is called at the beginning of each pass. We determine which modules - * will be active during this pass and give them appropriate start_pass calls. - * We also set is_last_pass to indicate whether any more passes will be - * required. - */ - -METHODDEF(void) -prepare_for_pass (j_compress_ptr cinfo) -{ - my_master_ptr master = (my_master_ptr) cinfo->master; - - switch (master->pass_type) { - case main_pass: - /* Initial pass: will collect input data, and do either Huffman - * optimization or data output for the first scan. - */ - select_scan_parameters(cinfo); - per_scan_setup(cinfo); - if (! cinfo->raw_data_in) { - (*cinfo->cconvert->start_pass) (cinfo); - (*cinfo->downsample->start_pass) (cinfo); - (*cinfo->prep->start_pass) (cinfo, JBUF_PASS_THRU); - } - (*cinfo->fdct->start_pass) (cinfo); - (*cinfo->entropy->start_pass) (cinfo, cinfo->optimize_coding); - (*cinfo->coef->start_pass) (cinfo, - (master->total_passes > 1 ? - JBUF_SAVE_AND_PASS : JBUF_PASS_THRU)); - (*cinfo->main->start_pass) (cinfo, JBUF_PASS_THRU); - if (cinfo->optimize_coding) { - /* No immediate data output; postpone writing frame/scan headers */ - master->pub.call_pass_startup = FALSE; - } else { - /* Will write frame/scan headers at first jpeg_write_scanlines call */ - master->pub.call_pass_startup = TRUE; - } - break; -#ifdef ENTROPY_OPT_SUPPORTED - case huff_opt_pass: - /* Do Huffman optimization for a scan after the first one. */ - select_scan_parameters(cinfo); - per_scan_setup(cinfo); - if (cinfo->Ss != 0 || cinfo->Ah == 0 || cinfo->arith_code) { - (*cinfo->entropy->start_pass) (cinfo, TRUE); - (*cinfo->coef->start_pass) (cinfo, JBUF_CRANK_DEST); - master->pub.call_pass_startup = FALSE; - break; - } - /* Special case: Huffman DC refinement scans need no Huffman table - * and therefore we can skip the optimization pass for them. - */ - master->pass_type = output_pass; - master->pass_number++; - /*FALLTHROUGH*/ -#endif - case output_pass: - /* Do a data-output pass. */ - /* We need not repeat per-scan setup if prior optimization pass did it. */ - if (! cinfo->optimize_coding) { - select_scan_parameters(cinfo); - per_scan_setup(cinfo); - } - (*cinfo->entropy->start_pass) (cinfo, FALSE); - (*cinfo->coef->start_pass) (cinfo, JBUF_CRANK_DEST); - /* We emit frame/scan headers now */ - if (master->scan_number == 0) - (*cinfo->marker->write_frame_header) (cinfo); - (*cinfo->marker->write_scan_header) (cinfo); - master->pub.call_pass_startup = FALSE; - break; - default: - ERREXIT(cinfo, JERR_NOT_COMPILED); - } - - master->pub.is_last_pass = (master->pass_number == master->total_passes-1); - - /* Set up progress monitor's pass info if present */ - if (cinfo->progress != NULL) { - cinfo->progress->completed_passes = master->pass_number; - cinfo->progress->total_passes = master->total_passes; - } -} - - -/* - * Special start-of-pass hook. - * This is called by jpeg_write_scanlines if call_pass_startup is TRUE. - * In single-pass processing, we need this hook because we don't want to - * write frame/scan headers during jpeg_start_compress; we want to let the - * application write COM markers etc. between jpeg_start_compress and the - * jpeg_write_scanlines loop. - * In multi-pass processing, this routine is not used. - */ - -METHODDEF(void) -pass_startup (j_compress_ptr cinfo) -{ - cinfo->master->call_pass_startup = FALSE; /* reset flag so call only once */ - - (*cinfo->marker->write_frame_header) (cinfo); - (*cinfo->marker->write_scan_header) (cinfo); -} - - -/* - * Finish up at end of pass. - */ - -METHODDEF(void) -finish_pass_master (j_compress_ptr cinfo) -{ - my_master_ptr master = (my_master_ptr) cinfo->master; - - /* The entropy coder always needs an end-of-pass call, - * either to analyze statistics or to flush its output buffer. - */ - (*cinfo->entropy->finish_pass) (cinfo); - - /* Update state for next pass */ - switch (master->pass_type) { - case main_pass: - /* next pass is either output of scan 0 (after optimization) - * or output of scan 1 (if no optimization). - */ - master->pass_type = output_pass; - if (! cinfo->optimize_coding) - master->scan_number++; - break; - case huff_opt_pass: - /* next pass is always output of current scan */ - master->pass_type = output_pass; - break; - case output_pass: - /* next pass is either optimization or output of next scan */ - if (cinfo->optimize_coding) - master->pass_type = huff_opt_pass; - master->scan_number++; - break; - } - - master->pass_number++; -} - - -/* - * Initialize master compression control. - */ - -GLOBAL(void) -jinit_c_master_control (j_compress_ptr cinfo, boolean transcode_only) -{ - my_master_ptr master; - - master = (my_master_ptr) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(my_comp_master)); - cinfo->master = (struct jpeg_comp_master *) master; - master->pub.prepare_for_pass = prepare_for_pass; - master->pub.pass_startup = pass_startup; - master->pub.finish_pass = finish_pass_master; - master->pub.is_last_pass = FALSE; - - /* Validate parameters, determine derived values */ - initial_setup(cinfo); - - if (cinfo->scan_info != NULL) { -#ifdef C_MULTISCAN_FILES_SUPPORTED - validate_script(cinfo); -#else - ERREXIT(cinfo, JERR_NOT_COMPILED); -#endif - } else { - cinfo->progressive_mode = FALSE; - cinfo->num_scans = 1; - } - - if (cinfo->progressive_mode) /* TEMPORARY HACK ??? */ - cinfo->optimize_coding = TRUE; /* assume default tables no good for progressive mode */ - - /* Initialize my private state */ - if (transcode_only) { - /* no main pass in transcoding */ - if (cinfo->optimize_coding) - master->pass_type = huff_opt_pass; - else - master->pass_type = output_pass; - } else { - /* for normal compression, first pass is always this type: */ - master->pass_type = main_pass; - } - master->scan_number = 0; - master->pass_number = 0; - if (cinfo->optimize_coding) - master->total_passes = cinfo->num_scans * 2; - else - master->total_passes = cinfo->num_scans; -} diff --git a/common/jpeg/jcomapi.c b/common/jpeg/jcomapi.c deleted file mode 100644 index 9b1fa756..00000000 --- a/common/jpeg/jcomapi.c +++ /dev/null @@ -1,106 +0,0 @@ -/* - * jcomapi.c - * - * Copyright (C) 1994-1997, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains application interface routines that are used for both - * compression and decompression. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" - - -/* - * Abort processing of a JPEG compression or decompression operation, - * but don't destroy the object itself. - * - * For this, we merely clean up all the nonpermanent memory pools. - * Note that temp files (virtual arrays) are not allowed to belong to - * the permanent pool, so we will be able to close all temp files here. - * Closing a data source or destination, if necessary, is the application's - * responsibility. - */ - -GLOBAL(void) -jpeg_abort (j_common_ptr cinfo) -{ - int pool; - - /* Do nothing if called on a not-initialized or destroyed JPEG object. */ - if (cinfo->mem == NULL) - return; - - /* Releasing pools in reverse order might help avoid fragmentation - * with some (brain-damaged) malloc libraries. - */ - for (pool = JPOOL_NUMPOOLS-1; pool > JPOOL_PERMANENT; pool--) { - (*cinfo->mem->free_pool) (cinfo, pool); - } - - /* Reset overall state for possible reuse of object */ - if (cinfo->is_decompressor) { - cinfo->global_state = DSTATE_START; - /* Try to keep application from accessing now-deleted marker list. - * A bit kludgy to do it here, but this is the most central place. - */ - ((j_decompress_ptr) cinfo)->marker_list = NULL; - } else { - cinfo->global_state = CSTATE_START; - } -} - - -/* - * Destruction of a JPEG object. - * - * Everything gets deallocated except the master jpeg_compress_struct itself - * and the error manager struct. Both of these are supplied by the application - * and must be freed, if necessary, by the application. (Often they are on - * the stack and so don't need to be freed anyway.) - * Closing a data source or destination, if necessary, is the application's - * responsibility. - */ - -GLOBAL(void) -jpeg_destroy (j_common_ptr cinfo) -{ - /* We need only tell the memory manager to release everything. */ - /* NB: mem pointer is NULL if memory mgr failed to initialize. */ - if (cinfo->mem != NULL) - (*cinfo->mem->self_destruct) (cinfo); - cinfo->mem = NULL; /* be safe if jpeg_destroy is called twice */ - cinfo->global_state = 0; /* mark it destroyed */ -} - - -/* - * Convenience routines for allocating quantization and Huffman tables. - * (Would jutils.c be a more reasonable place to put these?) - */ - -GLOBAL(JQUANT_TBL *) -jpeg_alloc_quant_table (j_common_ptr cinfo) -{ - JQUANT_TBL *tbl; - - tbl = (JQUANT_TBL *) - (*cinfo->mem->alloc_small) (cinfo, JPOOL_PERMANENT, SIZEOF(JQUANT_TBL)); - tbl->sent_table = FALSE; /* make sure this is false in any new table */ - return tbl; -} - - -GLOBAL(JHUFF_TBL *) -jpeg_alloc_huff_table (j_common_ptr cinfo) -{ - JHUFF_TBL *tbl; - - tbl = (JHUFF_TBL *) - (*cinfo->mem->alloc_small) (cinfo, JPOOL_PERMANENT, SIZEOF(JHUFF_TBL)); - tbl->sent_table = FALSE; /* make sure this is false in any new table */ - return tbl; -} diff --git a/common/jpeg/jconfig.doc b/common/jpeg/jconfig.doc deleted file mode 100644 index c18d1c06..00000000 --- a/common/jpeg/jconfig.doc +++ /dev/null @@ -1,155 +0,0 @@ -/* - * jconfig.doc - * - * Copyright (C) 1991-1994, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file documents the configuration options that are required to - * customize the JPEG software for a particular system. - * - * The actual configuration options for a particular installation are stored - * in jconfig.h. On many machines, jconfig.h can be generated automatically - * or copied from one of the "canned" jconfig files that we supply. But if - * you need to generate a jconfig.h file by hand, this file tells you how. - * - * DO NOT EDIT THIS FILE --- IT WON'T ACCOMPLISH ANYTHING. - * EDIT A COPY NAMED JCONFIG.H. - */ - - -/* - * These symbols indicate the properties of your machine or compiler. - * #define the symbol if yes, #undef it if no. - */ - -/* Does your compiler support function prototypes? - * (If not, you also need to use ansi2knr, see install.doc) - */ -#define HAVE_PROTOTYPES - -/* Does your compiler support the declaration "unsigned char" ? - * How about "unsigned short" ? - */ -#define HAVE_UNSIGNED_CHAR -#define HAVE_UNSIGNED_SHORT - -/* Define "void" as "char" if your compiler doesn't know about type void. - * NOTE: be sure to define void such that "void *" represents the most general - * pointer type, e.g., that returned by malloc(). - */ -/* #define void char */ - -/* Define "const" as empty if your compiler doesn't know the "const" keyword. - */ -/* #define const */ - -/* Define this if an ordinary "char" type is unsigned. - * If you're not sure, leaving it undefined will work at some cost in speed. - * If you defined HAVE_UNSIGNED_CHAR then the speed difference is minimal. - */ -#undef CHAR_IS_UNSIGNED - -/* Define this if your system has an ANSI-conforming <stddef.h> file. - */ -#define HAVE_STDDEF_H - -/* Define this if your system has an ANSI-conforming <stdlib.h> file. - */ -#define HAVE_STDLIB_H - -/* Define this if your system does not have an ANSI/SysV <string.h>, - * but does have a BSD-style <strings.h>. - */ -#undef NEED_BSD_STRINGS - -/* Define this if your system does not provide typedef size_t in any of the - * ANSI-standard places (stddef.h, stdlib.h, or stdio.h), but places it in - * <sys/types.h> instead. - */ -#undef NEED_SYS_TYPES_H - -/* For 80x86 machines, you need to define NEED_FAR_POINTERS, - * unless you are using a large-data memory model or 80386 flat-memory mode. - * On less brain-damaged CPUs this symbol must not be defined. - * (Defining this symbol causes large data structures to be referenced through - * "far" pointers and to be allocated with a special version of malloc.) - */ -#undef NEED_FAR_POINTERS - -/* Define this if your linker needs global names to be unique in less - * than the first 15 characters. - */ -#undef NEED_SHORT_EXTERNAL_NAMES - -/* Although a real ANSI C compiler can deal perfectly well with pointers to - * unspecified structures (see "incomplete types" in the spec), a few pre-ANSI - * and pseudo-ANSI compilers get confused. To keep one of these bozos happy, - * define INCOMPLETE_TYPES_BROKEN. This is not recommended unless you - * actually get "missing structure definition" warnings or errors while - * compiling the JPEG code. - */ -#undef INCOMPLETE_TYPES_BROKEN - - -/* - * The following options affect code selection within the JPEG library, - * but they don't need to be visible to applications using the library. - * To minimize application namespace pollution, the symbols won't be - * defined unless JPEG_INTERNALS has been defined. - */ - -#ifdef JPEG_INTERNALS - -/* Define this if your compiler implements ">>" on signed values as a logical - * (unsigned) shift; leave it undefined if ">>" is a signed (arithmetic) shift, - * which is the normal and rational definition. - */ -#undef RIGHT_SHIFT_IS_UNSIGNED - - -#endif /* JPEG_INTERNALS */ - - -/* - * The remaining options do not affect the JPEG library proper, - * but only the sample applications cjpeg/djpeg (see cjpeg.c, djpeg.c). - * Other applications can ignore these. - */ - -#ifdef JPEG_CJPEG_DJPEG - -/* These defines indicate which image (non-JPEG) file formats are allowed. */ - -#define BMP_SUPPORTED /* BMP image file format */ -#define GIF_SUPPORTED /* GIF image file format */ -#define PPM_SUPPORTED /* PBMPLUS PPM/PGM image file format */ -#undef RLE_SUPPORTED /* Utah RLE image file format */ -#define TARGA_SUPPORTED /* Targa image file format */ - -/* Define this if you want to name both input and output files on the command - * line, rather than using stdout and optionally stdin. You MUST do this if - * your system can't cope with binary I/O to stdin/stdout. See comments at - * head of cjpeg.c or djpeg.c. - */ -#undef TWO_FILE_COMMANDLINE - -/* Define this if your system needs explicit cleanup of temporary files. - * This is crucial under MS-DOS, where the temporary "files" may be areas - * of extended memory; on most other systems it's not as important. - */ -#undef NEED_SIGNAL_CATCHER - -/* By default, we open image files with fopen(...,"rb") or fopen(...,"wb"). - * This is necessary on systems that distinguish text files from binary files, - * and is harmless on most systems that don't. If you have one of the rare - * systems that complains about the "b" spec, define this symbol. - */ -#undef DONT_USE_B_MODE - -/* Define this if you want percent-done progress reports from cjpeg/djpeg. - */ -#undef PROGRESS_REPORT - - -#endif /* JPEG_CJPEG_DJPEG */ diff --git a/common/jpeg/jconfig.h.in b/common/jpeg/jconfig.h.in deleted file mode 100644 index 4e5e80ed..00000000 --- a/common/jpeg/jconfig.h.in +++ /dev/null @@ -1,49 +0,0 @@ -/* Define if your compiler supports prototypes */ -#undef HAVE_PROTOTYPES - -/* Define to 1 if you have the <stddef.h> header file. */ -#undef HAVE_STDDEF_H - -/* Define to 1 if you have the <stdlib.h> header file. */ -#undef HAVE_STDLIB_H - -/* Define to 1 if the system has the type `unsigned char'. */ -#undef HAVE_UNSIGNED_CHAR - -/* Define to 1 if the system has the type `unsigned short'. */ -#undef HAVE_UNSIGNED_SHORT - -/* Define if you want use complete types */ -#undef INCOMPLETE_TYPES_BROKEN - -/* Define if you have BSD-like bzero and bcopy */ -#undef NEED_BSD_STRINGS - -/* Define if you need short function names */ -#undef NEED_SHORT_EXTERNAL_NAMES - -/* Define if you have sys/types.h */ -#undef NEED_SYS_TYPES_H - -/* Define if shift is unsigned */ -#undef RIGHT_SHIFT_IS_UNSIGNED - -/* Use accelerated SIMD routines. */ -#undef WITH_SIMD - -/* Define to 1 if type `char' is unsigned and you are not using gcc. */ -#ifndef __CHAR_UNSIGNED__ -# undef __CHAR_UNSIGNED__ -#endif - -/* Define to empty if `const' does not conform to ANSI C. */ -#undef const - -/* Define to `__inline__' or `__inline' if that's what the C compiler - calls it, or to nothing if 'inline' is not supported under any name. */ -#ifndef __cplusplus -#undef inline -#endif - -/* Define to `unsigned int' if <sys/types.h> does not define. */ -#undef size_t diff --git a/common/jpeg/jcparam.c b/common/jpeg/jcparam.c deleted file mode 100644 index a1d49d93..00000000 --- a/common/jpeg/jcparam.c +++ /dev/null @@ -1,617 +0,0 @@ -/* - * jcparam.c - * - * Copyright (C) 1991-1998, Thomas G. Lane. - * Copyright (C) 2009, D. R. Commander. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains optional default-setting code for the JPEG compressor. - * Applications do not have to use this file, but those that don't use it - * must know a lot more about the innards of the JPEG code. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" - - -/* - * Quantization table setup routines - */ - -GLOBAL(void) -jpeg_add_quant_table (j_compress_ptr cinfo, int which_tbl, - const unsigned int *basic_table, - int scale_factor, boolean force_baseline) -/* Define a quantization table equal to the basic_table times - * a scale factor (given as a percentage). - * If force_baseline is TRUE, the computed quantization table entries - * are limited to 1..255 for JPEG baseline compatibility. - */ -{ - JQUANT_TBL ** qtblptr; - int i; - long temp; - - /* Safety check to ensure start_compress not called yet. */ - if (cinfo->global_state != CSTATE_START) - ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); - - if (which_tbl < 0 || which_tbl >= NUM_QUANT_TBLS) - ERREXIT1(cinfo, JERR_DQT_INDEX, which_tbl); - - qtblptr = & cinfo->quant_tbl_ptrs[which_tbl]; - - if (*qtblptr == NULL) - *qtblptr = jpeg_alloc_quant_table((j_common_ptr) cinfo); - - for (i = 0; i < DCTSIZE2; i++) { - temp = ((long) basic_table[i] * scale_factor + 50L) / 100L; - /* limit the values to the valid range */ - if (temp <= 0L) temp = 1L; - if (temp > 32767L) temp = 32767L; /* max quantizer needed for 12 bits */ - if (force_baseline && temp > 255L) - temp = 255L; /* limit to baseline range if requested */ - (*qtblptr)->quantval[i] = (UINT16) temp; - } - - /* Initialize sent_table FALSE so table will be written to JPEG file. */ - (*qtblptr)->sent_table = FALSE; -} - - -GLOBAL(void) -jpeg_set_linear_quality (j_compress_ptr cinfo, int scale_factor, - boolean force_baseline) -/* Set or change the 'quality' (quantization) setting, using default tables - * and a straight percentage-scaling quality scale. In most cases it's better - * to use jpeg_set_quality (below); this entry point is provided for - * applications that insist on a linear percentage scaling. - */ -{ - /* These are the sample quantization tables given in JPEG spec section K.1. - * The spec says that the values given produce "good" quality, and - * when divided by 2, "very good" quality. - */ - static const unsigned int std_luminance_quant_tbl[DCTSIZE2] = { - 16, 11, 10, 16, 24, 40, 51, 61, - 12, 12, 14, 19, 26, 58, 60, 55, - 14, 13, 16, 24, 40, 57, 69, 56, - 14, 17, 22, 29, 51, 87, 80, 62, - 18, 22, 37, 56, 68, 109, 103, 77, - 24, 35, 55, 64, 81, 104, 113, 92, - 49, 64, 78, 87, 103, 121, 120, 101, - 72, 92, 95, 98, 112, 100, 103, 99 - }; - static const unsigned int std_chrominance_quant_tbl[DCTSIZE2] = { - 17, 18, 24, 47, 99, 99, 99, 99, - 18, 21, 26, 66, 99, 99, 99, 99, - 24, 26, 56, 99, 99, 99, 99, 99, - 47, 66, 99, 99, 99, 99, 99, 99, - 99, 99, 99, 99, 99, 99, 99, 99, - 99, 99, 99, 99, 99, 99, 99, 99, - 99, 99, 99, 99, 99, 99, 99, 99, - 99, 99, 99, 99, 99, 99, 99, 99 - }; - - /* Set up two quantization tables using the specified scaling */ - jpeg_add_quant_table(cinfo, 0, std_luminance_quant_tbl, - scale_factor, force_baseline); - jpeg_add_quant_table(cinfo, 1, std_chrominance_quant_tbl, - scale_factor, force_baseline); -} - - -GLOBAL(int) -jpeg_quality_scaling (int quality) -/* Convert a user-specified quality rating to a percentage scaling factor - * for an underlying quantization table, using our recommended scaling curve. - * The input 'quality' factor should be 0 (terrible) to 100 (very good). - */ -{ - /* Safety limit on quality factor. Convert 0 to 1 to avoid zero divide. */ - if (quality <= 0) quality = 1; - if (quality > 100) quality = 100; - - /* The basic table is used as-is (scaling 100) for a quality of 50. - * Qualities 50..100 are converted to scaling percentage 200 - 2*Q; - * note that at Q=100 the scaling is 0, which will cause jpeg_add_quant_table - * to make all the table entries 1 (hence, minimum quantization loss). - * Qualities 1..50 are converted to scaling percentage 5000/Q. - */ - if (quality < 50) - quality = 5000 / quality; - else - quality = 200 - quality*2; - - return quality; -} - - -GLOBAL(void) -jpeg_set_quality (j_compress_ptr cinfo, int quality, boolean force_baseline) -/* Set or change the 'quality' (quantization) setting, using default tables. - * This is the standard quality-adjusting entry point for typical user - * interfaces; only those who want detailed control over quantization tables - * would use the preceding three routines directly. - */ -{ - /* Convert user 0-100 rating to percentage scaling */ - quality = jpeg_quality_scaling(quality); - - /* Set up standard quality tables */ - jpeg_set_linear_quality(cinfo, quality, force_baseline); -} - - -/* - * Huffman table setup routines - */ - -LOCAL(void) -add_huff_table (j_compress_ptr cinfo, - JHUFF_TBL **htblptr, const UINT8 *bits, const UINT8 *val) -/* Define a Huffman table */ -{ - int nsymbols, len; - - if (*htblptr == NULL) - *htblptr = jpeg_alloc_huff_table((j_common_ptr) cinfo); - - /* Copy the number-of-symbols-of-each-code-length counts */ - MEMCOPY((*htblptr)->bits, bits, SIZEOF((*htblptr)->bits)); - - /* Validate the counts. We do this here mainly so we can copy the right - * number of symbols from the val[] array, without risking marching off - * the end of memory. jchuff.c will do a more thorough test later. - */ - nsymbols = 0; - for (len = 1; len <= 16; len++) - nsymbols += bits[len]; - if (nsymbols < 1 || nsymbols > 256) - ERREXIT(cinfo, JERR_BAD_HUFF_TABLE); - - MEMCOPY((*htblptr)->huffval, val, nsymbols * SIZEOF(UINT8)); - - /* Initialize sent_table FALSE so table will be written to JPEG file. */ - (*htblptr)->sent_table = FALSE; -} - - -LOCAL(void) -std_huff_tables (j_compress_ptr cinfo) -/* Set up the standard Huffman tables (cf. JPEG standard section K.3) */ -/* IMPORTANT: these are only valid for 8-bit data precision! */ -{ - static const UINT8 bits_dc_luminance[17] = - { /* 0-base */ 0, 0, 1, 5, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0 }; - static const UINT8 val_dc_luminance[] = - { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 }; - - static const UINT8 bits_dc_chrominance[17] = - { /* 0-base */ 0, 0, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 }; - static const UINT8 val_dc_chrominance[] = - { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 }; - - static const UINT8 bits_ac_luminance[17] = - { /* 0-base */ 0, 0, 2, 1, 3, 3, 2, 4, 3, 5, 5, 4, 4, 0, 0, 1, 0x7d }; - static const UINT8 val_ac_luminance[] = - { 0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12, - 0x21, 0x31, 0x41, 0x06, 0x13, 0x51, 0x61, 0x07, - 0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xa1, 0x08, - 0x23, 0x42, 0xb1, 0xc1, 0x15, 0x52, 0xd1, 0xf0, - 0x24, 0x33, 0x62, 0x72, 0x82, 0x09, 0x0a, 0x16, - 0x17, 0x18, 0x19, 0x1a, 0x25, 0x26, 0x27, 0x28, - 0x29, 0x2a, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, - 0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, - 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, - 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, - 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, - 0x7a, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, - 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, - 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, - 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, - 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4, 0xc5, - 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2, 0xd3, 0xd4, - 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xe1, 0xe2, - 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, - 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, - 0xf9, 0xfa }; - - static const UINT8 bits_ac_chrominance[17] = - { /* 0-base */ 0, 0, 2, 1, 2, 4, 4, 3, 4, 7, 5, 4, 4, 0, 1, 2, 0x77 }; - static const UINT8 val_ac_chrominance[] = - { 0x00, 0x01, 0x02, 0x03, 0x11, 0x04, 0x05, 0x21, - 0x31, 0x06, 0x12, 0x41, 0x51, 0x07, 0x61, 0x71, - 0x13, 0x22, 0x32, 0x81, 0x08, 0x14, 0x42, 0x91, - 0xa1, 0xb1, 0xc1, 0x09, 0x23, 0x33, 0x52, 0xf0, - 0x15, 0x62, 0x72, 0xd1, 0x0a, 0x16, 0x24, 0x34, - 0xe1, 0x25, 0xf1, 0x17, 0x18, 0x19, 0x1a, 0x26, - 0x27, 0x28, 0x29, 0x2a, 0x35, 0x36, 0x37, 0x38, - 0x39, 0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, - 0x49, 0x4a, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, - 0x59, 0x5a, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, - 0x69, 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, - 0x79, 0x7a, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, - 0x88, 0x89, 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, - 0x97, 0x98, 0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, - 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xb2, 0xb3, 0xb4, - 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, - 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2, - 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, - 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, - 0xea, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, - 0xf9, 0xfa }; - - add_huff_table(cinfo, &cinfo->dc_huff_tbl_ptrs[0], - bits_dc_luminance, val_dc_luminance); - add_huff_table(cinfo, &cinfo->ac_huff_tbl_ptrs[0], - bits_ac_luminance, val_ac_luminance); - add_huff_table(cinfo, &cinfo->dc_huff_tbl_ptrs[1], - bits_dc_chrominance, val_dc_chrominance); - add_huff_table(cinfo, &cinfo->ac_huff_tbl_ptrs[1], - bits_ac_chrominance, val_ac_chrominance); -} - - -/* - * Default parameter setup for compression. - * - * Applications that don't choose to use this routine must do their - * own setup of all these parameters. Alternately, you can call this - * to establish defaults and then alter parameters selectively. This - * is the recommended approach since, if we add any new parameters, - * your code will still work (they'll be set to reasonable defaults). - */ - -GLOBAL(void) -jpeg_set_defaults (j_compress_ptr cinfo) -{ - int i; - - /* Safety check to ensure start_compress not called yet. */ - if (cinfo->global_state != CSTATE_START) - ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); - - /* Allocate comp_info array large enough for maximum component count. - * Array is made permanent in case application wants to compress - * multiple images at same param settings. - */ - if (cinfo->comp_info == NULL) - cinfo->comp_info = (jpeg_component_info *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT, - MAX_COMPONENTS * SIZEOF(jpeg_component_info)); - - /* Initialize everything not dependent on the color space */ - - cinfo->data_precision = BITS_IN_JSAMPLE; - /* Set up two quantization tables using default quality of 75 */ - jpeg_set_quality(cinfo, 75, TRUE); - /* Set up two Huffman tables */ - std_huff_tables(cinfo); - - /* Initialize default arithmetic coding conditioning */ - for (i = 0; i < NUM_ARITH_TBLS; i++) { - cinfo->arith_dc_L[i] = 0; - cinfo->arith_dc_U[i] = 1; - cinfo->arith_ac_K[i] = 5; - } - - /* Default is no multiple-scan output */ - cinfo->scan_info = NULL; - cinfo->num_scans = 0; - - /* Expect normal source image, not raw downsampled data */ - cinfo->raw_data_in = FALSE; - - /* Use Huffman coding, not arithmetic coding, by default */ - cinfo->arith_code = FALSE; - - /* By default, don't do extra passes to optimize entropy coding */ - cinfo->optimize_coding = FALSE; - /* The standard Huffman tables are only valid for 8-bit data precision. - * If the precision is higher, force optimization on so that usable - * tables will be computed. This test can be removed if default tables - * are supplied that are valid for the desired precision. - */ - if (cinfo->data_precision > 8) - cinfo->optimize_coding = TRUE; - - /* By default, use the simpler non-cosited sampling alignment */ - cinfo->CCIR601_sampling = FALSE; - - /* No input smoothing */ - cinfo->smoothing_factor = 0; - - /* DCT algorithm preference */ - cinfo->dct_method = JDCT_DEFAULT; - - /* No restart markers */ - cinfo->restart_interval = 0; - cinfo->restart_in_rows = 0; - - /* Fill in default JFIF marker parameters. Note that whether the marker - * will actually be written is determined by jpeg_set_colorspace. - * - * By default, the library emits JFIF version code 1.01. - * An application that wants to emit JFIF 1.02 extension markers should set - * JFIF_minor_version to 2. We could probably get away with just defaulting - * to 1.02, but there may still be some decoders in use that will complain - * about that; saying 1.01 should minimize compatibility problems. - */ - cinfo->JFIF_major_version = 1; /* Default JFIF version = 1.01 */ - cinfo->JFIF_minor_version = 1; - cinfo->density_unit = 0; /* Pixel size is unknown by default */ - cinfo->X_density = 1; /* Pixel aspect ratio is square by default */ - cinfo->Y_density = 1; - - /* Choose JPEG colorspace based on input space, set defaults accordingly */ - - jpeg_default_colorspace(cinfo); -} - - -/* - * Select an appropriate JPEG colorspace for in_color_space. - */ - -GLOBAL(void) -jpeg_default_colorspace (j_compress_ptr cinfo) -{ - switch (cinfo->in_color_space) { - case JCS_GRAYSCALE: - jpeg_set_colorspace(cinfo, JCS_GRAYSCALE); - break; - case JCS_RGB: - case JCS_EXT_RGB: - case JCS_EXT_RGBX: - case JCS_EXT_BGR: - case JCS_EXT_BGRX: - case JCS_EXT_XBGR: - case JCS_EXT_XRGB: - jpeg_set_colorspace(cinfo, JCS_YCbCr); - break; - case JCS_YCbCr: - jpeg_set_colorspace(cinfo, JCS_YCbCr); - break; - case JCS_CMYK: - jpeg_set_colorspace(cinfo, JCS_CMYK); /* By default, no translation */ - break; - case JCS_YCCK: - jpeg_set_colorspace(cinfo, JCS_YCCK); - break; - case JCS_UNKNOWN: - jpeg_set_colorspace(cinfo, JCS_UNKNOWN); - break; - default: - ERREXIT(cinfo, JERR_BAD_IN_COLORSPACE); - } -} - - -/* - * Set the JPEG colorspace, and choose colorspace-dependent default values. - */ - -GLOBAL(void) -jpeg_set_colorspace (j_compress_ptr cinfo, J_COLOR_SPACE colorspace) -{ - jpeg_component_info * compptr; - int ci; - -#define SET_COMP(index,id,hsamp,vsamp,quant,dctbl,actbl) \ - (compptr = &cinfo->comp_info[index], \ - compptr->component_id = (id), \ - compptr->h_samp_factor = (hsamp), \ - compptr->v_samp_factor = (vsamp), \ - compptr->quant_tbl_no = (quant), \ - compptr->dc_tbl_no = (dctbl), \ - compptr->ac_tbl_no = (actbl) ) - - /* Safety check to ensure start_compress not called yet. */ - if (cinfo->global_state != CSTATE_START) - ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); - - /* For all colorspaces, we use Q and Huff tables 0 for luminance components, - * tables 1 for chrominance components. - */ - - cinfo->jpeg_color_space = colorspace; - - cinfo->write_JFIF_header = FALSE; /* No marker for non-JFIF colorspaces */ - cinfo->write_Adobe_marker = FALSE; /* write no Adobe marker by default */ - - switch (colorspace) { - case JCS_GRAYSCALE: - cinfo->write_JFIF_header = TRUE; /* Write a JFIF marker */ - cinfo->num_components = 1; - /* JFIF specifies component ID 1 */ - SET_COMP(0, 1, 1,1, 0, 0,0); - break; - case JCS_RGB: - cinfo->write_Adobe_marker = TRUE; /* write Adobe marker to flag RGB */ - cinfo->num_components = 3; - SET_COMP(0, 0x52 /* 'R' */, 1,1, 0, 0,0); - SET_COMP(1, 0x47 /* 'G' */, 1,1, 0, 0,0); - SET_COMP(2, 0x42 /* 'B' */, 1,1, 0, 0,0); - break; - case JCS_YCbCr: - cinfo->write_JFIF_header = TRUE; /* Write a JFIF marker */ - cinfo->num_components = 3; - /* JFIF specifies component IDs 1,2,3 */ - /* We default to 2x2 subsamples of chrominance */ - SET_COMP(0, 1, 2,2, 0, 0,0); - SET_COMP(1, 2, 1,1, 1, 1,1); - SET_COMP(2, 3, 1,1, 1, 1,1); - break; - case JCS_CMYK: - cinfo->write_Adobe_marker = TRUE; /* write Adobe marker to flag CMYK */ - cinfo->num_components = 4; - SET_COMP(0, 0x43 /* 'C' */, 1,1, 0, 0,0); - SET_COMP(1, 0x4D /* 'M' */, 1,1, 0, 0,0); - SET_COMP(2, 0x59 /* 'Y' */, 1,1, 0, 0,0); - SET_COMP(3, 0x4B /* 'K' */, 1,1, 0, 0,0); - break; - case JCS_YCCK: - cinfo->write_Adobe_marker = TRUE; /* write Adobe marker to flag YCCK */ - cinfo->num_components = 4; - SET_COMP(0, 1, 2,2, 0, 0,0); - SET_COMP(1, 2, 1,1, 1, 1,1); - SET_COMP(2, 3, 1,1, 1, 1,1); - SET_COMP(3, 4, 2,2, 0, 0,0); - break; - case JCS_UNKNOWN: - cinfo->num_components = cinfo->input_components; - if (cinfo->num_components < 1 || cinfo->num_components > MAX_COMPONENTS) - ERREXIT2(cinfo, JERR_COMPONENT_COUNT, cinfo->num_components, - MAX_COMPONENTS); - for (ci = 0; ci < cinfo->num_components; ci++) { - SET_COMP(ci, ci, 1,1, 0, 0,0); - } - break; - default: - ERREXIT(cinfo, JERR_BAD_J_COLORSPACE); - } -} - - -#ifdef C_PROGRESSIVE_SUPPORTED - -LOCAL(jpeg_scan_info *) -fill_a_scan (jpeg_scan_info * scanptr, int ci, - int Ss, int Se, int Ah, int Al) -/* Support routine: generate one scan for specified component */ -{ - scanptr->comps_in_scan = 1; - scanptr->component_index[0] = ci; - scanptr->Ss = Ss; - scanptr->Se = Se; - scanptr->Ah = Ah; - scanptr->Al = Al; - scanptr++; - return scanptr; -} - -LOCAL(jpeg_scan_info *) -fill_scans (jpeg_scan_info * scanptr, int ncomps, - int Ss, int Se, int Ah, int Al) -/* Support routine: generate one scan for each component */ -{ - int ci; - - for (ci = 0; ci < ncomps; ci++) { - scanptr->comps_in_scan = 1; - scanptr->component_index[0] = ci; - scanptr->Ss = Ss; - scanptr->Se = Se; - scanptr->Ah = Ah; - scanptr->Al = Al; - scanptr++; - } - return scanptr; -} - -LOCAL(jpeg_scan_info *) -fill_dc_scans (jpeg_scan_info * scanptr, int ncomps, int Ah, int Al) -/* Support routine: generate interleaved DC scan if possible, else N scans */ -{ - int ci; - - if (ncomps <= MAX_COMPS_IN_SCAN) { - /* Single interleaved DC scan */ - scanptr->comps_in_scan = ncomps; - for (ci = 0; ci < ncomps; ci++) - scanptr->component_index[ci] = ci; - scanptr->Ss = scanptr->Se = 0; - scanptr->Ah = Ah; - scanptr->Al = Al; - scanptr++; - } else { - /* Noninterleaved DC scan for each component */ - scanptr = fill_scans(scanptr, ncomps, 0, 0, Ah, Al); - } - return scanptr; -} - - -/* - * Create a recommended progressive-JPEG script. - * cinfo->num_components and cinfo->jpeg_color_space must be correct. - */ - -GLOBAL(void) -jpeg_simple_progression (j_compress_ptr cinfo) -{ - int ncomps = cinfo->num_components; - int nscans; - jpeg_scan_info * scanptr; - - /* Safety check to ensure start_compress not called yet. */ - if (cinfo->global_state != CSTATE_START) - ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); - - /* Figure space needed for script. Calculation must match code below! */ - if (ncomps == 3 && cinfo->jpeg_color_space == JCS_YCbCr) { - /* Custom script for YCbCr color images. */ - nscans = 10; - } else { - /* All-purpose script for other color spaces. */ - if (ncomps > MAX_COMPS_IN_SCAN) - nscans = 6 * ncomps; /* 2 DC + 4 AC scans per component */ - else - nscans = 2 + 4 * ncomps; /* 2 DC scans; 4 AC scans per component */ - } - - /* Allocate space for script. - * We need to put it in the permanent pool in case the application performs - * multiple compressions without changing the settings. To avoid a memory - * leak if jpeg_simple_progression is called repeatedly for the same JPEG - * object, we try to re-use previously allocated space, and we allocate - * enough space to handle YCbCr even if initially asked for grayscale. - */ - if (cinfo->script_space == NULL || cinfo->script_space_size < nscans) { - cinfo->script_space_size = MAX(nscans, 10); - cinfo->script_space = (jpeg_scan_info *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT, - cinfo->script_space_size * SIZEOF(jpeg_scan_info)); - } - scanptr = cinfo->script_space; - cinfo->scan_info = scanptr; - cinfo->num_scans = nscans; - - if (ncomps == 3 && cinfo->jpeg_color_space == JCS_YCbCr) { - /* Custom script for YCbCr color images. */ - /* Initial DC scan */ - scanptr = fill_dc_scans(scanptr, ncomps, 0, 1); - /* Initial AC scan: get some luma data out in a hurry */ - scanptr = fill_a_scan(scanptr, 0, 1, 5, 0, 2); - /* Chroma data is too small to be worth expending many scans on */ - scanptr = fill_a_scan(scanptr, 2, 1, 63, 0, 1); - scanptr = fill_a_scan(scanptr, 1, 1, 63, 0, 1); - /* Complete spectral selection for luma AC */ - scanptr = fill_a_scan(scanptr, 0, 6, 63, 0, 2); - /* Refine next bit of luma AC */ - scanptr = fill_a_scan(scanptr, 0, 1, 63, 2, 1); - /* Finish DC successive approximation */ - scanptr = fill_dc_scans(scanptr, ncomps, 1, 0); - /* Finish AC successive approximation */ - scanptr = fill_a_scan(scanptr, 2, 1, 63, 1, 0); - scanptr = fill_a_scan(scanptr, 1, 1, 63, 1, 0); - /* Luma bottom bit comes last since it's usually largest scan */ - scanptr = fill_a_scan(scanptr, 0, 1, 63, 1, 0); - } else { - /* All-purpose script for other color spaces. */ - /* Successive approximation first pass */ - scanptr = fill_dc_scans(scanptr, ncomps, 0, 1); - scanptr = fill_scans(scanptr, ncomps, 1, 5, 0, 2); - scanptr = fill_scans(scanptr, ncomps, 6, 63, 0, 2); - /* Successive approximation second pass */ - scanptr = fill_scans(scanptr, ncomps, 1, 63, 2, 1); - /* Successive approximation final pass */ - scanptr = fill_dc_scans(scanptr, ncomps, 1, 0); - scanptr = fill_scans(scanptr, ncomps, 1, 63, 1, 0); - } -} - -#endif /* C_PROGRESSIVE_SUPPORTED */ diff --git a/common/jpeg/jcphuff.c b/common/jpeg/jcphuff.c deleted file mode 100644 index 31028717..00000000 --- a/common/jpeg/jcphuff.c +++ /dev/null @@ -1,831 +0,0 @@ -/* - * jcphuff.c - * - * Copyright (C) 1995-1997, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains Huffman entropy encoding routines for progressive JPEG. - * - * We do not support output suspension in this module, since the library - * currently does not allow multiple-scan files to be written with output - * suspension. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" -#include "jchuff.h" /* Declarations shared with jchuff.c */ - -#ifdef C_PROGRESSIVE_SUPPORTED - -/* Expanded entropy encoder object for progressive Huffman encoding. */ - -typedef struct { - struct jpeg_entropy_encoder pub; /* public fields */ - - /* Mode flag: TRUE for optimization, FALSE for actual data output */ - boolean gather_statistics; - - /* Bit-level coding status. - * next_output_byte/free_in_buffer are local copies of cinfo->dest fields. - */ - JOCTET * next_output_byte; /* => next byte to write in buffer */ - size_t free_in_buffer; /* # of byte spaces remaining in buffer */ - INT32 put_buffer; /* current bit-accumulation buffer */ - int put_bits; /* # of bits now in it */ - j_compress_ptr cinfo; /* link to cinfo (needed for dump_buffer) */ - - /* Coding status for DC components */ - int last_dc_val[MAX_COMPS_IN_SCAN]; /* last DC coef for each component */ - - /* Coding status for AC components */ - int ac_tbl_no; /* the table number of the single component */ - unsigned int EOBRUN; /* run length of EOBs */ - unsigned int BE; /* # of buffered correction bits before MCU */ - char * bit_buffer; /* buffer for correction bits (1 per char) */ - /* packing correction bits tightly would save some space but cost time... */ - - unsigned int restarts_to_go; /* MCUs left in this restart interval */ - int next_restart_num; /* next restart number to write (0-7) */ - - /* Pointers to derived tables (these workspaces have image lifespan). - * Since any one scan codes only DC or only AC, we only need one set - * of tables, not one for DC and one for AC. - */ - c_derived_tbl * derived_tbls[NUM_HUFF_TBLS]; - - /* Statistics tables for optimization; again, one set is enough */ - long * count_ptrs[NUM_HUFF_TBLS]; -} phuff_entropy_encoder; - -typedef phuff_entropy_encoder * phuff_entropy_ptr; - -/* MAX_CORR_BITS is the number of bits the AC refinement correction-bit - * buffer can hold. Larger sizes may slightly improve compression, but - * 1000 is already well into the realm of overkill. - * The minimum safe size is 64 bits. - */ - -#define MAX_CORR_BITS 1000 /* Max # of correction bits I can buffer */ - -/* IRIGHT_SHIFT is like RIGHT_SHIFT, but works on int rather than INT32. - * We assume that int right shift is unsigned if INT32 right shift is, - * which should be safe. - */ - -#ifdef RIGHT_SHIFT_IS_UNSIGNED -#define ISHIFT_TEMPS int ishift_temp; -#define IRIGHT_SHIFT(x,shft) \ - ((ishift_temp = (x)) < 0 ? \ - (ishift_temp >> (shft)) | ((~0) << (16-(shft))) : \ - (ishift_temp >> (shft))) -#else -#define ISHIFT_TEMPS -#define IRIGHT_SHIFT(x,shft) ((x) >> (shft)) -#endif - -/* Forward declarations */ -METHODDEF(boolean) encode_mcu_DC_first JPP((j_compress_ptr cinfo, - JBLOCKROW *MCU_data)); -METHODDEF(boolean) encode_mcu_AC_first JPP((j_compress_ptr cinfo, - JBLOCKROW *MCU_data)); -METHODDEF(boolean) encode_mcu_DC_refine JPP((j_compress_ptr cinfo, - JBLOCKROW *MCU_data)); -METHODDEF(boolean) encode_mcu_AC_refine JPP((j_compress_ptr cinfo, - JBLOCKROW *MCU_data)); -METHODDEF(void) finish_pass_phuff JPP((j_compress_ptr cinfo)); -METHODDEF(void) finish_pass_gather_phuff JPP((j_compress_ptr cinfo)); - - -/* - * Initialize for a Huffman-compressed scan using progressive JPEG. - */ - -METHODDEF(void) -start_pass_phuff (j_compress_ptr cinfo, boolean gather_statistics) -{ - phuff_entropy_ptr entropy = (phuff_entropy_ptr) cinfo->entropy; - boolean is_DC_band; - int ci, tbl; - jpeg_component_info * compptr; - - entropy->cinfo = cinfo; - entropy->gather_statistics = gather_statistics; - - is_DC_band = (cinfo->Ss == 0); - - /* We assume jcmaster.c already validated the scan parameters. */ - - /* Select execution routines */ - if (cinfo->Ah == 0) { - if (is_DC_band) - entropy->pub.encode_mcu = encode_mcu_DC_first; - else - entropy->pub.encode_mcu = encode_mcu_AC_first; - } else { - if (is_DC_band) - entropy->pub.encode_mcu = encode_mcu_DC_refine; - else { - entropy->pub.encode_mcu = encode_mcu_AC_refine; - /* AC refinement needs a correction bit buffer */ - if (entropy->bit_buffer == NULL) - entropy->bit_buffer = (char *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - MAX_CORR_BITS * SIZEOF(char)); - } - } - if (gather_statistics) - entropy->pub.finish_pass = finish_pass_gather_phuff; - else - entropy->pub.finish_pass = finish_pass_phuff; - - /* Only DC coefficients may be interleaved, so cinfo->comps_in_scan = 1 - * for AC coefficients. - */ - for (ci = 0; ci < cinfo->comps_in_scan; ci++) { - compptr = cinfo->cur_comp_info[ci]; - /* Initialize DC predictions to 0 */ - entropy->last_dc_val[ci] = 0; - /* Get table index */ - if (is_DC_band) { - if (cinfo->Ah != 0) /* DC refinement needs no table */ - continue; - tbl = compptr->dc_tbl_no; - } else { - entropy->ac_tbl_no = tbl = compptr->ac_tbl_no; - } - if (gather_statistics) { - /* Check for invalid table index */ - /* (make_c_derived_tbl does this in the other path) */ - if (tbl < 0 || tbl >= NUM_HUFF_TBLS) - ERREXIT1(cinfo, JERR_NO_HUFF_TABLE, tbl); - /* Allocate and zero the statistics tables */ - /* Note that jpeg_gen_optimal_table expects 257 entries in each table! */ - if (entropy->count_ptrs[tbl] == NULL) - entropy->count_ptrs[tbl] = (long *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - 257 * SIZEOF(long)); - MEMZERO(entropy->count_ptrs[tbl], 257 * SIZEOF(long)); - } else { - /* Compute derived values for Huffman table */ - /* We may do this more than once for a table, but it's not expensive */ - jpeg_make_c_derived_tbl(cinfo, is_DC_band, tbl, - & entropy->derived_tbls[tbl]); - } - } - - /* Initialize AC stuff */ - entropy->EOBRUN = 0; - entropy->BE = 0; - - /* Initialize bit buffer to empty */ - entropy->put_buffer = 0; - entropy->put_bits = 0; - - /* Initialize restart stuff */ - entropy->restarts_to_go = cinfo->restart_interval; - entropy->next_restart_num = 0; -} - - -/* Outputting bytes to the file. - * NB: these must be called only when actually outputting, - * that is, entropy->gather_statistics == FALSE. - */ - -/* Emit a byte */ -#define emit_byte(entropy,val) \ - { *(entropy)->next_output_byte++ = (JOCTET) (val); \ - if (--(entropy)->free_in_buffer == 0) \ - dump_buffer(entropy); } - - -LOCAL(void) -dump_buffer (phuff_entropy_ptr entropy) -/* Empty the output buffer; we do not support suspension in this module. */ -{ - struct jpeg_destination_mgr * dest = entropy->cinfo->dest; - - if (! (*dest->empty_output_buffer) (entropy->cinfo)) - ERREXIT(entropy->cinfo, JERR_CANT_SUSPEND); - /* After a successful buffer dump, must reset buffer pointers */ - entropy->next_output_byte = dest->next_output_byte; - entropy->free_in_buffer = dest->free_in_buffer; -} - - -/* Outputting bits to the file */ - -/* Only the right 24 bits of put_buffer are used; the valid bits are - * left-justified in this part. At most 16 bits can be passed to emit_bits - * in one call, and we never retain more than 7 bits in put_buffer - * between calls, so 24 bits are sufficient. - */ - -LOCAL(void) -emit_bits (phuff_entropy_ptr entropy, unsigned int code, int size) -/* Emit some bits, unless we are in gather mode */ -{ - /* This routine is heavily used, so it's worth coding tightly. */ - register INT32 put_buffer = (INT32) code; - register int put_bits = entropy->put_bits; - - /* if size is 0, caller used an invalid Huffman table entry */ - if (size == 0) - ERREXIT(entropy->cinfo, JERR_HUFF_MISSING_CODE); - - if (entropy->gather_statistics) - return; /* do nothing if we're only getting stats */ - - put_buffer &= (((INT32) 1)<<size) - 1; /* mask off any extra bits in code */ - - put_bits += size; /* new number of bits in buffer */ - - put_buffer <<= 24 - put_bits; /* align incoming bits */ - - put_buffer |= entropy->put_buffer; /* and merge with old buffer contents */ - - while (put_bits >= 8) { - int c = (int) ((put_buffer >> 16) & 0xFF); - - emit_byte(entropy, c); - if (c == 0xFF) { /* need to stuff a zero byte? */ - emit_byte(entropy, 0); - } - put_buffer <<= 8; - put_bits -= 8; - } - - entropy->put_buffer = put_buffer; /* update variables */ - entropy->put_bits = put_bits; -} - - -LOCAL(void) -flush_bits (phuff_entropy_ptr entropy) -{ - emit_bits(entropy, 0x7F, 7); /* fill any partial byte with ones */ - entropy->put_buffer = 0; /* and reset bit-buffer to empty */ - entropy->put_bits = 0; -} - - -/* - * Emit (or just count) a Huffman symbol. - */ - -LOCAL(void) -emit_symbol (phuff_entropy_ptr entropy, int tbl_no, int symbol) -{ - if (entropy->gather_statistics) - entropy->count_ptrs[tbl_no][symbol]++; - else { - c_derived_tbl * tbl = entropy->derived_tbls[tbl_no]; - emit_bits(entropy, tbl->ehufco[symbol], tbl->ehufsi[symbol]); - } -} - - -/* - * Emit bits from a correction bit buffer. - */ - -LOCAL(void) -emit_buffered_bits (phuff_entropy_ptr entropy, char * bufstart, - unsigned int nbits) -{ - if (entropy->gather_statistics) - return; /* no real work */ - - while (nbits > 0) { - emit_bits(entropy, (unsigned int) (*bufstart), 1); - bufstart++; - nbits--; - } -} - - -/* - * Emit any pending EOBRUN symbol. - */ - -LOCAL(void) -emit_eobrun (phuff_entropy_ptr entropy) -{ - register int temp, nbits; - - if (entropy->EOBRUN > 0) { /* if there is any pending EOBRUN */ - temp = entropy->EOBRUN; - nbits = 0; - while ((temp >>= 1)) - nbits++; - /* safety check: shouldn't happen given limited correction-bit buffer */ - if (nbits > 14) - ERREXIT(entropy->cinfo, JERR_HUFF_MISSING_CODE); - - emit_symbol(entropy, entropy->ac_tbl_no, nbits << 4); - if (nbits) - emit_bits(entropy, entropy->EOBRUN, nbits); - - entropy->EOBRUN = 0; - - /* Emit any buffered correction bits */ - emit_buffered_bits(entropy, entropy->bit_buffer, entropy->BE); - entropy->BE = 0; - } -} - - -/* - * Emit a restart marker & resynchronize predictions. - */ - -LOCAL(void) -emit_restart (phuff_entropy_ptr entropy, int restart_num) -{ - int ci; - - emit_eobrun(entropy); - - if (! entropy->gather_statistics) { - flush_bits(entropy); - emit_byte(entropy, 0xFF); - emit_byte(entropy, JPEG_RST0 + restart_num); - } - - if (entropy->cinfo->Ss == 0) { - /* Re-initialize DC predictions to 0 */ - for (ci = 0; ci < entropy->cinfo->comps_in_scan; ci++) - entropy->last_dc_val[ci] = 0; - } else { - /* Re-initialize all AC-related fields to 0 */ - entropy->EOBRUN = 0; - entropy->BE = 0; - } -} - - -/* - * MCU encoding for DC initial scan (either spectral selection, - * or first pass of successive approximation). - */ - -METHODDEF(boolean) -encode_mcu_DC_first (j_compress_ptr cinfo, JBLOCKROW *MCU_data) -{ - phuff_entropy_ptr entropy = (phuff_entropy_ptr) cinfo->entropy; - register int temp, temp2; - register int nbits; - int blkn, ci; - int Al = cinfo->Al; - JBLOCKROW block; - jpeg_component_info * compptr; - ISHIFT_TEMPS - - entropy->next_output_byte = cinfo->dest->next_output_byte; - entropy->free_in_buffer = cinfo->dest->free_in_buffer; - - /* Emit restart marker if needed */ - if (cinfo->restart_interval) - if (entropy->restarts_to_go == 0) - emit_restart(entropy, entropy->next_restart_num); - - /* Encode the MCU data blocks */ - for (blkn = 0; blkn < cinfo->blocks_in_MCU; blkn++) { - block = MCU_data[blkn]; - ci = cinfo->MCU_membership[blkn]; - compptr = cinfo->cur_comp_info[ci]; - - /* Compute the DC value after the required point transform by Al. - * This is simply an arithmetic right shift. - */ - temp2 = IRIGHT_SHIFT((int) ((*block)[0]), Al); - - /* DC differences are figured on the point-transformed values. */ - temp = temp2 - entropy->last_dc_val[ci]; - entropy->last_dc_val[ci] = temp2; - - /* Encode the DC coefficient difference per section G.1.2.1 */ - temp2 = temp; - if (temp < 0) { - temp = -temp; /* temp is abs value of input */ - /* For a negative input, want temp2 = bitwise complement of abs(input) */ - /* This code assumes we are on a two's complement machine */ - temp2--; - } - - /* Find the number of bits needed for the magnitude of the coefficient */ - nbits = 0; - while (temp) { - nbits++; - temp >>= 1; - } - /* Check for out-of-range coefficient values. - * Since we're encoding a difference, the range limit is twice as much. - */ - if (nbits > MAX_COEF_BITS+1) - ERREXIT(cinfo, JERR_BAD_DCT_COEF); - - /* Count/emit the Huffman-coded symbol for the number of bits */ - emit_symbol(entropy, compptr->dc_tbl_no, nbits); - - /* Emit that number of bits of the value, if positive, */ - /* or the complement of its magnitude, if negative. */ - if (nbits) /* emit_bits rejects calls with size 0 */ - emit_bits(entropy, (unsigned int) temp2, nbits); - } - - cinfo->dest->next_output_byte = entropy->next_output_byte; - cinfo->dest->free_in_buffer = entropy->free_in_buffer; - - /* Update restart-interval state too */ - if (cinfo->restart_interval) { - if (entropy->restarts_to_go == 0) { - entropy->restarts_to_go = cinfo->restart_interval; - entropy->next_restart_num++; - entropy->next_restart_num &= 7; - } - entropy->restarts_to_go--; - } - - return TRUE; -} - - -/* - * MCU encoding for AC initial scan (either spectral selection, - * or first pass of successive approximation). - */ - -METHODDEF(boolean) -encode_mcu_AC_first (j_compress_ptr cinfo, JBLOCKROW *MCU_data) -{ - phuff_entropy_ptr entropy = (phuff_entropy_ptr) cinfo->entropy; - register int temp, temp2; - register int nbits; - register int r, k; - int Se = cinfo->Se; - int Al = cinfo->Al; - JBLOCKROW block; - - entropy->next_output_byte = cinfo->dest->next_output_byte; - entropy->free_in_buffer = cinfo->dest->free_in_buffer; - - /* Emit restart marker if needed */ - if (cinfo->restart_interval) - if (entropy->restarts_to_go == 0) - emit_restart(entropy, entropy->next_restart_num); - - /* Encode the MCU data block */ - block = MCU_data[0]; - - /* Encode the AC coefficients per section G.1.2.2, fig. G.3 */ - - r = 0; /* r = run length of zeros */ - - for (k = cinfo->Ss; k <= Se; k++) { - if ((temp = (*block)[jpeg_natural_order[k]]) == 0) { - r++; - continue; - } - /* We must apply the point transform by Al. For AC coefficients this - * is an integer division with rounding towards 0. To do this portably - * in C, we shift after obtaining the absolute value; so the code is - * interwoven with finding the abs value (temp) and output bits (temp2). - */ - if (temp < 0) { - temp = -temp; /* temp is abs value of input */ - temp >>= Al; /* apply the point transform */ - /* For a negative coef, want temp2 = bitwise complement of abs(coef) */ - temp2 = ~temp; - } else { - temp >>= Al; /* apply the point transform */ - temp2 = temp; - } - /* Watch out for case that nonzero coef is zero after point transform */ - if (temp == 0) { - r++; - continue; - } - - /* Emit any pending EOBRUN */ - if (entropy->EOBRUN > 0) - emit_eobrun(entropy); - /* if run length > 15, must emit special run-length-16 codes (0xF0) */ - while (r > 15) { - emit_symbol(entropy, entropy->ac_tbl_no, 0xF0); - r -= 16; - } - - /* Find the number of bits needed for the magnitude of the coefficient */ - nbits = 1; /* there must be at least one 1 bit */ - while ((temp >>= 1)) - nbits++; - /* Check for out-of-range coefficient values */ - if (nbits > MAX_COEF_BITS) - ERREXIT(cinfo, JERR_BAD_DCT_COEF); - - /* Count/emit Huffman symbol for run length / number of bits */ - emit_symbol(entropy, entropy->ac_tbl_no, (r << 4) + nbits); - - /* Emit that number of bits of the value, if positive, */ - /* or the complement of its magnitude, if negative. */ - emit_bits(entropy, (unsigned int) temp2, nbits); - - r = 0; /* reset zero run length */ - } - - if (r > 0) { /* If there are trailing zeroes, */ - entropy->EOBRUN++; /* count an EOB */ - if (entropy->EOBRUN == 0x7FFF) - emit_eobrun(entropy); /* force it out to avoid overflow */ - } - - cinfo->dest->next_output_byte = entropy->next_output_byte; - cinfo->dest->free_in_buffer = entropy->free_in_buffer; - - /* Update restart-interval state too */ - if (cinfo->restart_interval) { - if (entropy->restarts_to_go == 0) { - entropy->restarts_to_go = cinfo->restart_interval; - entropy->next_restart_num++; - entropy->next_restart_num &= 7; - } - entropy->restarts_to_go--; - } - - return TRUE; -} - - -/* - * MCU encoding for DC successive approximation refinement scan. - * Note: we assume such scans can be multi-component, although the spec - * is not very clear on the point. - */ - -METHODDEF(boolean) -encode_mcu_DC_refine (j_compress_ptr cinfo, JBLOCKROW *MCU_data) -{ - phuff_entropy_ptr entropy = (phuff_entropy_ptr) cinfo->entropy; - register int temp; - int blkn; - int Al = cinfo->Al; - JBLOCKROW block; - - entropy->next_output_byte = cinfo->dest->next_output_byte; - entropy->free_in_buffer = cinfo->dest->free_in_buffer; - - /* Emit restart marker if needed */ - if (cinfo->restart_interval) - if (entropy->restarts_to_go == 0) - emit_restart(entropy, entropy->next_restart_num); - - /* Encode the MCU data blocks */ - for (blkn = 0; blkn < cinfo->blocks_in_MCU; blkn++) { - block = MCU_data[blkn]; - - /* We simply emit the Al'th bit of the DC coefficient value. */ - temp = (*block)[0]; - emit_bits(entropy, (unsigned int) (temp >> Al), 1); - } - - cinfo->dest->next_output_byte = entropy->next_output_byte; - cinfo->dest->free_in_buffer = entropy->free_in_buffer; - - /* Update restart-interval state too */ - if (cinfo->restart_interval) { - if (entropy->restarts_to_go == 0) { - entropy->restarts_to_go = cinfo->restart_interval; - entropy->next_restart_num++; - entropy->next_restart_num &= 7; - } - entropy->restarts_to_go--; - } - - return TRUE; -} - - -/* - * MCU encoding for AC successive approximation refinement scan. - */ - -METHODDEF(boolean) -encode_mcu_AC_refine (j_compress_ptr cinfo, JBLOCKROW *MCU_data) -{ - phuff_entropy_ptr entropy = (phuff_entropy_ptr) cinfo->entropy; - register int temp; - register int r, k; - int EOB; - char *BR_buffer; - unsigned int BR; - int Se = cinfo->Se; - int Al = cinfo->Al; - JBLOCKROW block; - int absvalues[DCTSIZE2]; - - entropy->next_output_byte = cinfo->dest->next_output_byte; - entropy->free_in_buffer = cinfo->dest->free_in_buffer; - - /* Emit restart marker if needed */ - if (cinfo->restart_interval) - if (entropy->restarts_to_go == 0) - emit_restart(entropy, entropy->next_restart_num); - - /* Encode the MCU data block */ - block = MCU_data[0]; - - /* It is convenient to make a pre-pass to determine the transformed - * coefficients' absolute values and the EOB position. - */ - EOB = 0; - for (k = cinfo->Ss; k <= Se; k++) { - temp = (*block)[jpeg_natural_order[k]]; - /* We must apply the point transform by Al. For AC coefficients this - * is an integer division with rounding towards 0. To do this portably - * in C, we shift after obtaining the absolute value. - */ - if (temp < 0) - temp = -temp; /* temp is abs value of input */ - temp >>= Al; /* apply the point transform */ - absvalues[k] = temp; /* save abs value for main pass */ - if (temp == 1) - EOB = k; /* EOB = index of last newly-nonzero coef */ - } - - /* Encode the AC coefficients per section G.1.2.3, fig. G.7 */ - - r = 0; /* r = run length of zeros */ - BR = 0; /* BR = count of buffered bits added now */ - BR_buffer = entropy->bit_buffer + entropy->BE; /* Append bits to buffer */ - - for (k = cinfo->Ss; k <= Se; k++) { - if ((temp = absvalues[k]) == 0) { - r++; - continue; - } - - /* Emit any required ZRLs, but not if they can be folded into EOB */ - while (r > 15 && k <= EOB) { - /* emit any pending EOBRUN and the BE correction bits */ - emit_eobrun(entropy); - /* Emit ZRL */ - emit_symbol(entropy, entropy->ac_tbl_no, 0xF0); - r -= 16; - /* Emit buffered correction bits that must be associated with ZRL */ - emit_buffered_bits(entropy, BR_buffer, BR); - BR_buffer = entropy->bit_buffer; /* BE bits are gone now */ - BR = 0; - } - - /* If the coef was previously nonzero, it only needs a correction bit. - * NOTE: a straight translation of the spec's figure G.7 would suggest - * that we also need to test r > 15. But if r > 15, we can only get here - * if k > EOB, which implies that this coefficient is not 1. - */ - if (temp > 1) { - /* The correction bit is the next bit of the absolute value. */ - BR_buffer[BR++] = (char) (temp & 1); - continue; - } - - /* Emit any pending EOBRUN and the BE correction bits */ - emit_eobrun(entropy); - - /* Count/emit Huffman symbol for run length / number of bits */ - emit_symbol(entropy, entropy->ac_tbl_no, (r << 4) + 1); - - /* Emit output bit for newly-nonzero coef */ - temp = ((*block)[jpeg_natural_order[k]] < 0) ? 0 : 1; - emit_bits(entropy, (unsigned int) temp, 1); - - /* Emit buffered correction bits that must be associated with this code */ - emit_buffered_bits(entropy, BR_buffer, BR); - BR_buffer = entropy->bit_buffer; /* BE bits are gone now */ - BR = 0; - r = 0; /* reset zero run length */ - } - - if (r > 0 || BR > 0) { /* If there are trailing zeroes, */ - entropy->EOBRUN++; /* count an EOB */ - entropy->BE += BR; /* concat my correction bits to older ones */ - /* We force out the EOB if we risk either: - * 1. overflow of the EOB counter; - * 2. overflow of the correction bit buffer during the next MCU. - */ - if (entropy->EOBRUN == 0x7FFF || entropy->BE > (MAX_CORR_BITS-DCTSIZE2+1)) - emit_eobrun(entropy); - } - - cinfo->dest->next_output_byte = entropy->next_output_byte; - cinfo->dest->free_in_buffer = entropy->free_in_buffer; - - /* Update restart-interval state too */ - if (cinfo->restart_interval) { - if (entropy->restarts_to_go == 0) { - entropy->restarts_to_go = cinfo->restart_interval; - entropy->next_restart_num++; - entropy->next_restart_num &= 7; - } - entropy->restarts_to_go--; - } - - return TRUE; -} - - -/* - * Finish up at the end of a Huffman-compressed progressive scan. - */ - -METHODDEF(void) -finish_pass_phuff (j_compress_ptr cinfo) -{ - phuff_entropy_ptr entropy = (phuff_entropy_ptr) cinfo->entropy; - - entropy->next_output_byte = cinfo->dest->next_output_byte; - entropy->free_in_buffer = cinfo->dest->free_in_buffer; - - /* Flush out any buffered data */ - emit_eobrun(entropy); - flush_bits(entropy); - - cinfo->dest->next_output_byte = entropy->next_output_byte; - cinfo->dest->free_in_buffer = entropy->free_in_buffer; -} - - -/* - * Finish up a statistics-gathering pass and create the new Huffman tables. - */ - -METHODDEF(void) -finish_pass_gather_phuff (j_compress_ptr cinfo) -{ - phuff_entropy_ptr entropy = (phuff_entropy_ptr) cinfo->entropy; - boolean is_DC_band; - int ci, tbl; - jpeg_component_info * compptr; - JHUFF_TBL **htblptr; - boolean did[NUM_HUFF_TBLS]; - - /* Flush out buffered data (all we care about is counting the EOB symbol) */ - emit_eobrun(entropy); - - is_DC_band = (cinfo->Ss == 0); - - /* It's important not to apply jpeg_gen_optimal_table more than once - * per table, because it clobbers the input frequency counts! - */ - MEMZERO(did, SIZEOF(did)); - - for (ci = 0; ci < cinfo->comps_in_scan; ci++) { - compptr = cinfo->cur_comp_info[ci]; - if (is_DC_band) { - if (cinfo->Ah != 0) /* DC refinement needs no table */ - continue; - tbl = compptr->dc_tbl_no; - } else { - tbl = compptr->ac_tbl_no; - } - if (! did[tbl]) { - if (is_DC_band) - htblptr = & cinfo->dc_huff_tbl_ptrs[tbl]; - else - htblptr = & cinfo->ac_huff_tbl_ptrs[tbl]; - if (*htblptr == NULL) - *htblptr = jpeg_alloc_huff_table((j_common_ptr) cinfo); - jpeg_gen_optimal_table(cinfo, *htblptr, entropy->count_ptrs[tbl]); - did[tbl] = TRUE; - } - } -} - - -/* - * Module initialization routine for progressive Huffman entropy encoding. - */ - -GLOBAL(void) -jinit_phuff_encoder (j_compress_ptr cinfo) -{ - phuff_entropy_ptr entropy; - int i; - - entropy = (phuff_entropy_ptr) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(phuff_entropy_encoder)); - cinfo->entropy = (struct jpeg_entropy_encoder *) entropy; - entropy->pub.start_pass = start_pass_phuff; - - /* Mark tables unallocated */ - for (i = 0; i < NUM_HUFF_TBLS; i++) { - entropy->derived_tbls[i] = NULL; - entropy->count_ptrs[i] = NULL; - } - entropy->bit_buffer = NULL; /* needed only in AC refinement scan */ -} - -#endif /* C_PROGRESSIVE_SUPPORTED */ diff --git a/common/jpeg/jcprepct.c b/common/jpeg/jcprepct.c deleted file mode 100644 index fa93333d..00000000 --- a/common/jpeg/jcprepct.c +++ /dev/null @@ -1,354 +0,0 @@ -/* - * jcprepct.c - * - * Copyright (C) 1994-1996, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains the compression preprocessing controller. - * This controller manages the color conversion, downsampling, - * and edge expansion steps. - * - * Most of the complexity here is associated with buffering input rows - * as required by the downsampler. See the comments at the head of - * jcsample.c for the downsampler's needs. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" - - -/* At present, jcsample.c can request context rows only for smoothing. - * In the future, we might also need context rows for CCIR601 sampling - * or other more-complex downsampling procedures. The code to support - * context rows should be compiled only if needed. - */ -#ifdef INPUT_SMOOTHING_SUPPORTED -#define CONTEXT_ROWS_SUPPORTED -#endif - - -/* - * For the simple (no-context-row) case, we just need to buffer one - * row group's worth of pixels for the downsampling step. At the bottom of - * the image, we pad to a full row group by replicating the last pixel row. - * The downsampler's last output row is then replicated if needed to pad - * out to a full iMCU row. - * - * When providing context rows, we must buffer three row groups' worth of - * pixels. Three row groups are physically allocated, but the row pointer - * arrays are made five row groups high, with the extra pointers above and - * below "wrapping around" to point to the last and first real row groups. - * This allows the downsampler to access the proper context rows. - * At the top and bottom of the image, we create dummy context rows by - * copying the first or last real pixel row. This copying could be avoided - * by pointer hacking as is done in jdmainct.c, but it doesn't seem worth the - * trouble on the compression side. - */ - - -/* Private buffer controller object */ - -typedef struct { - struct jpeg_c_prep_controller pub; /* public fields */ - - /* Downsampling input buffer. This buffer holds color-converted data - * until we have enough to do a downsample step. - */ - JSAMPARRAY color_buf[MAX_COMPONENTS]; - - JDIMENSION rows_to_go; /* counts rows remaining in source image */ - int next_buf_row; /* index of next row to store in color_buf */ - -#ifdef CONTEXT_ROWS_SUPPORTED /* only needed for context case */ - int this_row_group; /* starting row index of group to process */ - int next_buf_stop; /* downsample when we reach this index */ -#endif -} my_prep_controller; - -typedef my_prep_controller * my_prep_ptr; - - -/* - * Initialize for a processing pass. - */ - -METHODDEF(void) -start_pass_prep (j_compress_ptr cinfo, J_BUF_MODE pass_mode) -{ - my_prep_ptr prep = (my_prep_ptr) cinfo->prep; - - if (pass_mode != JBUF_PASS_THRU) - ERREXIT(cinfo, JERR_BAD_BUFFER_MODE); - - /* Initialize total-height counter for detecting bottom of image */ - prep->rows_to_go = cinfo->image_height; - /* Mark the conversion buffer empty */ - prep->next_buf_row = 0; -#ifdef CONTEXT_ROWS_SUPPORTED - /* Preset additional state variables for context mode. - * These aren't used in non-context mode, so we needn't test which mode. - */ - prep->this_row_group = 0; - /* Set next_buf_stop to stop after two row groups have been read in. */ - prep->next_buf_stop = 2 * cinfo->max_v_samp_factor; -#endif -} - - -/* - * Expand an image vertically from height input_rows to height output_rows, - * by duplicating the bottom row. - */ - -LOCAL(void) -expand_bottom_edge (JSAMPARRAY image_data, JDIMENSION num_cols, - int input_rows, int output_rows) -{ - register int row; - - for (row = input_rows; row < output_rows; row++) { - jcopy_sample_rows(image_data, input_rows-1, image_data, row, - 1, num_cols); - } -} - - -/* - * Process some data in the simple no-context case. - * - * Preprocessor output data is counted in "row groups". A row group - * is defined to be v_samp_factor sample rows of each component. - * Downsampling will produce this much data from each max_v_samp_factor - * input rows. - */ - -METHODDEF(void) -pre_process_data (j_compress_ptr cinfo, - JSAMPARRAY input_buf, JDIMENSION *in_row_ctr, - JDIMENSION in_rows_avail, - JSAMPIMAGE output_buf, JDIMENSION *out_row_group_ctr, - JDIMENSION out_row_groups_avail) -{ - my_prep_ptr prep = (my_prep_ptr) cinfo->prep; - int numrows, ci; - JDIMENSION inrows; - jpeg_component_info * compptr; - - while (*in_row_ctr < in_rows_avail && - *out_row_group_ctr < out_row_groups_avail) { - /* Do color conversion to fill the conversion buffer. */ - inrows = in_rows_avail - *in_row_ctr; - numrows = cinfo->max_v_samp_factor - prep->next_buf_row; - numrows = (int) MIN((JDIMENSION) numrows, inrows); - (*cinfo->cconvert->color_convert) (cinfo, input_buf + *in_row_ctr, - prep->color_buf, - (JDIMENSION) prep->next_buf_row, - numrows); - *in_row_ctr += numrows; - prep->next_buf_row += numrows; - prep->rows_to_go -= numrows; - /* If at bottom of image, pad to fill the conversion buffer. */ - if (prep->rows_to_go == 0 && - prep->next_buf_row < cinfo->max_v_samp_factor) { - for (ci = 0; ci < cinfo->num_components; ci++) { - expand_bottom_edge(prep->color_buf[ci], cinfo->image_width, - prep->next_buf_row, cinfo->max_v_samp_factor); - } - prep->next_buf_row = cinfo->max_v_samp_factor; - } - /* If we've filled the conversion buffer, empty it. */ - if (prep->next_buf_row == cinfo->max_v_samp_factor) { - (*cinfo->downsample->downsample) (cinfo, - prep->color_buf, (JDIMENSION) 0, - output_buf, *out_row_group_ctr); - prep->next_buf_row = 0; - (*out_row_group_ctr)++; - } - /* If at bottom of image, pad the output to a full iMCU height. - * Note we assume the caller is providing a one-iMCU-height output buffer! - */ - if (prep->rows_to_go == 0 && - *out_row_group_ctr < out_row_groups_avail) { - for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; - ci++, compptr++) { - expand_bottom_edge(output_buf[ci], - compptr->width_in_blocks * DCTSIZE, - (int) (*out_row_group_ctr * compptr->v_samp_factor), - (int) (out_row_groups_avail * compptr->v_samp_factor)); - } - *out_row_group_ctr = out_row_groups_avail; - break; /* can exit outer loop without test */ - } - } -} - - -#ifdef CONTEXT_ROWS_SUPPORTED - -/* - * Process some data in the context case. - */ - -METHODDEF(void) -pre_process_context (j_compress_ptr cinfo, - JSAMPARRAY input_buf, JDIMENSION *in_row_ctr, - JDIMENSION in_rows_avail, - JSAMPIMAGE output_buf, JDIMENSION *out_row_group_ctr, - JDIMENSION out_row_groups_avail) -{ - my_prep_ptr prep = (my_prep_ptr) cinfo->prep; - int numrows, ci; - int buf_height = cinfo->max_v_samp_factor * 3; - JDIMENSION inrows; - - while (*out_row_group_ctr < out_row_groups_avail) { - if (*in_row_ctr < in_rows_avail) { - /* Do color conversion to fill the conversion buffer. */ - inrows = in_rows_avail - *in_row_ctr; - numrows = prep->next_buf_stop - prep->next_buf_row; - numrows = (int) MIN((JDIMENSION) numrows, inrows); - (*cinfo->cconvert->color_convert) (cinfo, input_buf + *in_row_ctr, - prep->color_buf, - (JDIMENSION) prep->next_buf_row, - numrows); - /* Pad at top of image, if first time through */ - if (prep->rows_to_go == cinfo->image_height) { - for (ci = 0; ci < cinfo->num_components; ci++) { - int row; - for (row = 1; row <= cinfo->max_v_samp_factor; row++) { - jcopy_sample_rows(prep->color_buf[ci], 0, - prep->color_buf[ci], -row, - 1, cinfo->image_width); - } - } - } - *in_row_ctr += numrows; - prep->next_buf_row += numrows; - prep->rows_to_go -= numrows; - } else { - /* Return for more data, unless we are at the bottom of the image. */ - if (prep->rows_to_go != 0) - break; - /* When at bottom of image, pad to fill the conversion buffer. */ - if (prep->next_buf_row < prep->next_buf_stop) { - for (ci = 0; ci < cinfo->num_components; ci++) { - expand_bottom_edge(prep->color_buf[ci], cinfo->image_width, - prep->next_buf_row, prep->next_buf_stop); - } - prep->next_buf_row = prep->next_buf_stop; - } - } - /* If we've gotten enough data, downsample a row group. */ - if (prep->next_buf_row == prep->next_buf_stop) { - (*cinfo->downsample->downsample) (cinfo, - prep->color_buf, - (JDIMENSION) prep->this_row_group, - output_buf, *out_row_group_ctr); - (*out_row_group_ctr)++; - /* Advance pointers with wraparound as necessary. */ - prep->this_row_group += cinfo->max_v_samp_factor; - if (prep->this_row_group >= buf_height) - prep->this_row_group = 0; - if (prep->next_buf_row >= buf_height) - prep->next_buf_row = 0; - prep->next_buf_stop = prep->next_buf_row + cinfo->max_v_samp_factor; - } - } -} - - -/* - * Create the wrapped-around downsampling input buffer needed for context mode. - */ - -LOCAL(void) -create_context_buffer (j_compress_ptr cinfo) -{ - my_prep_ptr prep = (my_prep_ptr) cinfo->prep; - int rgroup_height = cinfo->max_v_samp_factor; - int ci, i; - jpeg_component_info * compptr; - JSAMPARRAY true_buffer, fake_buffer; - - /* Grab enough space for fake row pointers for all the components; - * we need five row groups' worth of pointers for each component. - */ - fake_buffer = (JSAMPARRAY) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - (cinfo->num_components * 5 * rgroup_height) * - SIZEOF(JSAMPROW)); - - for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; - ci++, compptr++) { - /* Allocate the actual buffer space (3 row groups) for this component. - * We make the buffer wide enough to allow the downsampler to edge-expand - * horizontally within the buffer, if it so chooses. - */ - true_buffer = (*cinfo->mem->alloc_sarray) - ((j_common_ptr) cinfo, JPOOL_IMAGE, - (JDIMENSION) (((long) compptr->width_in_blocks * DCTSIZE * - cinfo->max_h_samp_factor) / compptr->h_samp_factor), - (JDIMENSION) (3 * rgroup_height)); - /* Copy true buffer row pointers into the middle of the fake row array */ - MEMCOPY(fake_buffer + rgroup_height, true_buffer, - 3 * rgroup_height * SIZEOF(JSAMPROW)); - /* Fill in the above and below wraparound pointers */ - for (i = 0; i < rgroup_height; i++) { - fake_buffer[i] = true_buffer[2 * rgroup_height + i]; - fake_buffer[4 * rgroup_height + i] = true_buffer[i]; - } - prep->color_buf[ci] = fake_buffer + rgroup_height; - fake_buffer += 5 * rgroup_height; /* point to space for next component */ - } -} - -#endif /* CONTEXT_ROWS_SUPPORTED */ - - -/* - * Initialize preprocessing controller. - */ - -GLOBAL(void) -jinit_c_prep_controller (j_compress_ptr cinfo, boolean need_full_buffer) -{ - my_prep_ptr prep; - int ci; - jpeg_component_info * compptr; - - if (need_full_buffer) /* safety check */ - ERREXIT(cinfo, JERR_BAD_BUFFER_MODE); - - prep = (my_prep_ptr) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(my_prep_controller)); - cinfo->prep = (struct jpeg_c_prep_controller *) prep; - prep->pub.start_pass = start_pass_prep; - - /* Allocate the color conversion buffer. - * We make the buffer wide enough to allow the downsampler to edge-expand - * horizontally within the buffer, if it so chooses. - */ - if (cinfo->downsample->need_context_rows) { - /* Set up to provide context rows */ -#ifdef CONTEXT_ROWS_SUPPORTED - prep->pub.pre_process_data = pre_process_context; - create_context_buffer(cinfo); -#else - ERREXIT(cinfo, JERR_NOT_COMPILED); -#endif - } else { - /* No context, just make it tall enough for one row group */ - prep->pub.pre_process_data = pre_process_data; - for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; - ci++, compptr++) { - prep->color_buf[ci] = (*cinfo->mem->alloc_sarray) - ((j_common_ptr) cinfo, JPOOL_IMAGE, - (JDIMENSION) (((long) compptr->width_in_blocks * DCTSIZE * - cinfo->max_h_samp_factor) / compptr->h_samp_factor), - (JDIMENSION) cinfo->max_v_samp_factor); - } - } -} diff --git a/common/jpeg/jcsample.c b/common/jpeg/jcsample.c deleted file mode 100644 index eea376f9..00000000 --- a/common/jpeg/jcsample.c +++ /dev/null @@ -1,527 +0,0 @@ -/* - * jcsample.c - * - * Copyright (C) 1991-1996, Thomas G. Lane. - * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains downsampling routines. - * - * Downsampling input data is counted in "row groups". A row group - * is defined to be max_v_samp_factor pixel rows of each component, - * from which the downsampler produces v_samp_factor sample rows. - * A single row group is processed in each call to the downsampler module. - * - * The downsampler is responsible for edge-expansion of its output data - * to fill an integral number of DCT blocks horizontally. The source buffer - * may be modified if it is helpful for this purpose (the source buffer is - * allocated wide enough to correspond to the desired output width). - * The caller (the prep controller) is responsible for vertical padding. - * - * The downsampler may request "context rows" by setting need_context_rows - * during startup. In this case, the input arrays will contain at least - * one row group's worth of pixels above and below the passed-in data; - * the caller will create dummy rows at image top and bottom by replicating - * the first or last real pixel row. - * - * An excellent reference for image resampling is - * Digital Image Warping, George Wolberg, 1990. - * Pub. by IEEE Computer Society Press, Los Alamitos, CA. ISBN 0-8186-8944-7. - * - * The downsampling algorithm used here is a simple average of the source - * pixels covered by the output pixel. The hi-falutin sampling literature - * refers to this as a "box filter". In general the characteristics of a box - * filter are not very good, but for the specific cases we normally use (1:1 - * and 2:1 ratios) the box is equivalent to a "triangle filter" which is not - * nearly so bad. If you intend to use other sampling ratios, you'd be well - * advised to improve this code. - * - * A simple input-smoothing capability is provided. This is mainly intended - * for cleaning up color-dithered GIF input files (if you find it inadequate, - * we suggest using an external filtering program such as pnmconvol). When - * enabled, each input pixel P is replaced by a weighted sum of itself and its - * eight neighbors. P's weight is 1-8*SF and each neighbor's weight is SF, - * where SF = (smoothing_factor / 1024). - * Currently, smoothing is only supported for 2h2v sampling factors. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" -#include "jsimd.h" - - -/* Pointer to routine to downsample a single component */ -typedef JMETHOD(void, downsample1_ptr, - (j_compress_ptr cinfo, jpeg_component_info * compptr, - JSAMPARRAY input_data, JSAMPARRAY output_data)); - -/* Private subobject */ - -typedef struct { - struct jpeg_downsampler pub; /* public fields */ - - /* Downsampling method pointers, one per component */ - downsample1_ptr methods[MAX_COMPONENTS]; -} my_downsampler; - -typedef my_downsampler * my_downsample_ptr; - - -/* - * Initialize for a downsampling pass. - */ - -METHODDEF(void) -start_pass_downsample (j_compress_ptr cinfo) -{ - /* no work for now */ -} - - -/* - * Expand a component horizontally from width input_cols to width output_cols, - * by duplicating the rightmost samples. - */ - -LOCAL(void) -expand_right_edge (JSAMPARRAY image_data, int num_rows, - JDIMENSION input_cols, JDIMENSION output_cols) -{ - register JSAMPROW ptr; - register JSAMPLE pixval; - register int count; - int row; - int numcols = (int) (output_cols - input_cols); - - if (numcols > 0) { - for (row = 0; row < num_rows; row++) { - ptr = image_data[row] + input_cols; - pixval = ptr[-1]; /* don't need GETJSAMPLE() here */ - for (count = numcols; count > 0; count--) - *ptr++ = pixval; - } - } -} - - -/* - * Do downsampling for a whole row group (all components). - * - * In this version we simply downsample each component independently. - */ - -METHODDEF(void) -sep_downsample (j_compress_ptr cinfo, - JSAMPIMAGE input_buf, JDIMENSION in_row_index, - JSAMPIMAGE output_buf, JDIMENSION out_row_group_index) -{ - my_downsample_ptr downsample = (my_downsample_ptr) cinfo->downsample; - int ci; - jpeg_component_info * compptr; - JSAMPARRAY in_ptr, out_ptr; - - for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; - ci++, compptr++) { - in_ptr = input_buf[ci] + in_row_index; - out_ptr = output_buf[ci] + (out_row_group_index * compptr->v_samp_factor); - (*downsample->methods[ci]) (cinfo, compptr, in_ptr, out_ptr); - } -} - - -/* - * Downsample pixel values of a single component. - * One row group is processed per call. - * This version handles arbitrary integral sampling ratios, without smoothing. - * Note that this version is not actually used for customary sampling ratios. - */ - -METHODDEF(void) -int_downsample (j_compress_ptr cinfo, jpeg_component_info * compptr, - JSAMPARRAY input_data, JSAMPARRAY output_data) -{ - int inrow, outrow, h_expand, v_expand, numpix, numpix2, h, v; - JDIMENSION outcol, outcol_h; /* outcol_h == outcol*h_expand */ - JDIMENSION output_cols = compptr->width_in_blocks * DCTSIZE; - JSAMPROW inptr, outptr; - INT32 outvalue; - - h_expand = cinfo->max_h_samp_factor / compptr->h_samp_factor; - v_expand = cinfo->max_v_samp_factor / compptr->v_samp_factor; - numpix = h_expand * v_expand; - numpix2 = numpix/2; - - /* Expand input data enough to let all the output samples be generated - * by the standard loop. Special-casing padded output would be more - * efficient. - */ - expand_right_edge(input_data, cinfo->max_v_samp_factor, - cinfo->image_width, output_cols * h_expand); - - inrow = 0; - for (outrow = 0; outrow < compptr->v_samp_factor; outrow++) { - outptr = output_data[outrow]; - for (outcol = 0, outcol_h = 0; outcol < output_cols; - outcol++, outcol_h += h_expand) { - outvalue = 0; - for (v = 0; v < v_expand; v++) { - inptr = input_data[inrow+v] + outcol_h; - for (h = 0; h < h_expand; h++) { - outvalue += (INT32) GETJSAMPLE(*inptr++); - } - } - *outptr++ = (JSAMPLE) ((outvalue + numpix2) / numpix); - } - inrow += v_expand; - } -} - - -/* - * Downsample pixel values of a single component. - * This version handles the special case of a full-size component, - * without smoothing. - */ - -METHODDEF(void) -fullsize_downsample (j_compress_ptr cinfo, jpeg_component_info * compptr, - JSAMPARRAY input_data, JSAMPARRAY output_data) -{ - /* Copy the data */ - jcopy_sample_rows(input_data, 0, output_data, 0, - cinfo->max_v_samp_factor, cinfo->image_width); - /* Edge-expand */ - expand_right_edge(output_data, cinfo->max_v_samp_factor, - cinfo->image_width, compptr->width_in_blocks * DCTSIZE); -} - - -/* - * Downsample pixel values of a single component. - * This version handles the common case of 2:1 horizontal and 1:1 vertical, - * without smoothing. - * - * A note about the "bias" calculations: when rounding fractional values to - * integer, we do not want to always round 0.5 up to the next integer. - * If we did that, we'd introduce a noticeable bias towards larger values. - * Instead, this code is arranged so that 0.5 will be rounded up or down at - * alternate pixel locations (a simple ordered dither pattern). - */ - -METHODDEF(void) -h2v1_downsample (j_compress_ptr cinfo, jpeg_component_info * compptr, - JSAMPARRAY input_data, JSAMPARRAY output_data) -{ - int outrow; - JDIMENSION outcol; - JDIMENSION output_cols = compptr->width_in_blocks * DCTSIZE; - register JSAMPROW inptr, outptr; - register int bias; - - /* Expand input data enough to let all the output samples be generated - * by the standard loop. Special-casing padded output would be more - * efficient. - */ - expand_right_edge(input_data, cinfo->max_v_samp_factor, - cinfo->image_width, output_cols * 2); - - for (outrow = 0; outrow < compptr->v_samp_factor; outrow++) { - outptr = output_data[outrow]; - inptr = input_data[outrow]; - bias = 0; /* bias = 0,1,0,1,... for successive samples */ - for (outcol = 0; outcol < output_cols; outcol++) { - *outptr++ = (JSAMPLE) ((GETJSAMPLE(*inptr) + GETJSAMPLE(inptr[1]) - + bias) >> 1); - bias ^= 1; /* 0=>1, 1=>0 */ - inptr += 2; - } - } -} - - -/* - * Downsample pixel values of a single component. - * This version handles the standard case of 2:1 horizontal and 2:1 vertical, - * without smoothing. - */ - -METHODDEF(void) -h2v2_downsample (j_compress_ptr cinfo, jpeg_component_info * compptr, - JSAMPARRAY input_data, JSAMPARRAY output_data) -{ - int inrow, outrow; - JDIMENSION outcol; - JDIMENSION output_cols = compptr->width_in_blocks * DCTSIZE; - register JSAMPROW inptr0, inptr1, outptr; - register int bias; - - /* Expand input data enough to let all the output samples be generated - * by the standard loop. Special-casing padded output would be more - * efficient. - */ - expand_right_edge(input_data, cinfo->max_v_samp_factor, - cinfo->image_width, output_cols * 2); - - inrow = 0; - for (outrow = 0; outrow < compptr->v_samp_factor; outrow++) { - outptr = output_data[outrow]; - inptr0 = input_data[inrow]; - inptr1 = input_data[inrow+1]; - bias = 1; /* bias = 1,2,1,2,... for successive samples */ - for (outcol = 0; outcol < output_cols; outcol++) { - *outptr++ = (JSAMPLE) ((GETJSAMPLE(*inptr0) + GETJSAMPLE(inptr0[1]) + - GETJSAMPLE(*inptr1) + GETJSAMPLE(inptr1[1]) - + bias) >> 2); - bias ^= 3; /* 1=>2, 2=>1 */ - inptr0 += 2; inptr1 += 2; - } - inrow += 2; - } -} - - -#ifdef INPUT_SMOOTHING_SUPPORTED - -/* - * Downsample pixel values of a single component. - * This version handles the standard case of 2:1 horizontal and 2:1 vertical, - * with smoothing. One row of context is required. - */ - -METHODDEF(void) -h2v2_smooth_downsample (j_compress_ptr cinfo, jpeg_component_info * compptr, - JSAMPARRAY input_data, JSAMPARRAY output_data) -{ - int inrow, outrow; - JDIMENSION colctr; - JDIMENSION output_cols = compptr->width_in_blocks * DCTSIZE; - register JSAMPROW inptr0, inptr1, above_ptr, below_ptr, outptr; - INT32 membersum, neighsum, memberscale, neighscale; - - /* Expand input data enough to let all the output samples be generated - * by the standard loop. Special-casing padded output would be more - * efficient. - */ - expand_right_edge(input_data - 1, cinfo->max_v_samp_factor + 2, - cinfo->image_width, output_cols * 2); - - /* We don't bother to form the individual "smoothed" input pixel values; - * we can directly compute the output which is the average of the four - * smoothed values. Each of the four member pixels contributes a fraction - * (1-8*SF) to its own smoothed image and a fraction SF to each of the three - * other smoothed pixels, therefore a total fraction (1-5*SF)/4 to the final - * output. The four corner-adjacent neighbor pixels contribute a fraction - * SF to just one smoothed pixel, or SF/4 to the final output; while the - * eight edge-adjacent neighbors contribute SF to each of two smoothed - * pixels, or SF/2 overall. In order to use integer arithmetic, these - * factors are scaled by 2^16 = 65536. - * Also recall that SF = smoothing_factor / 1024. - */ - - memberscale = 16384 - cinfo->smoothing_factor * 80; /* scaled (1-5*SF)/4 */ - neighscale = cinfo->smoothing_factor * 16; /* scaled SF/4 */ - - inrow = 0; - for (outrow = 0; outrow < compptr->v_samp_factor; outrow++) { - outptr = output_data[outrow]; - inptr0 = input_data[inrow]; - inptr1 = input_data[inrow+1]; - above_ptr = input_data[inrow-1]; - below_ptr = input_data[inrow+2]; - - /* Special case for first column: pretend column -1 is same as column 0 */ - membersum = GETJSAMPLE(*inptr0) + GETJSAMPLE(inptr0[1]) + - GETJSAMPLE(*inptr1) + GETJSAMPLE(inptr1[1]); - neighsum = GETJSAMPLE(*above_ptr) + GETJSAMPLE(above_ptr[1]) + - GETJSAMPLE(*below_ptr) + GETJSAMPLE(below_ptr[1]) + - GETJSAMPLE(*inptr0) + GETJSAMPLE(inptr0[2]) + - GETJSAMPLE(*inptr1) + GETJSAMPLE(inptr1[2]); - neighsum += neighsum; - neighsum += GETJSAMPLE(*above_ptr) + GETJSAMPLE(above_ptr[2]) + - GETJSAMPLE(*below_ptr) + GETJSAMPLE(below_ptr[2]); - membersum = membersum * memberscale + neighsum * neighscale; - *outptr++ = (JSAMPLE) ((membersum + 32768) >> 16); - inptr0 += 2; inptr1 += 2; above_ptr += 2; below_ptr += 2; - - for (colctr = output_cols - 2; colctr > 0; colctr--) { - /* sum of pixels directly mapped to this output element */ - membersum = GETJSAMPLE(*inptr0) + GETJSAMPLE(inptr0[1]) + - GETJSAMPLE(*inptr1) + GETJSAMPLE(inptr1[1]); - /* sum of edge-neighbor pixels */ - neighsum = GETJSAMPLE(*above_ptr) + GETJSAMPLE(above_ptr[1]) + - GETJSAMPLE(*below_ptr) + GETJSAMPLE(below_ptr[1]) + - GETJSAMPLE(inptr0[-1]) + GETJSAMPLE(inptr0[2]) + - GETJSAMPLE(inptr1[-1]) + GETJSAMPLE(inptr1[2]); - /* The edge-neighbors count twice as much as corner-neighbors */ - neighsum += neighsum; - /* Add in the corner-neighbors */ - neighsum += GETJSAMPLE(above_ptr[-1]) + GETJSAMPLE(above_ptr[2]) + - GETJSAMPLE(below_ptr[-1]) + GETJSAMPLE(below_ptr[2]); - /* form final output scaled up by 2^16 */ - membersum = membersum * memberscale + neighsum * neighscale; - /* round, descale and output it */ - *outptr++ = (JSAMPLE) ((membersum + 32768) >> 16); - inptr0 += 2; inptr1 += 2; above_ptr += 2; below_ptr += 2; - } - - /* Special case for last column */ - membersum = GETJSAMPLE(*inptr0) + GETJSAMPLE(inptr0[1]) + - GETJSAMPLE(*inptr1) + GETJSAMPLE(inptr1[1]); - neighsum = GETJSAMPLE(*above_ptr) + GETJSAMPLE(above_ptr[1]) + - GETJSAMPLE(*below_ptr) + GETJSAMPLE(below_ptr[1]) + - GETJSAMPLE(inptr0[-1]) + GETJSAMPLE(inptr0[1]) + - GETJSAMPLE(inptr1[-1]) + GETJSAMPLE(inptr1[1]); - neighsum += neighsum; - neighsum += GETJSAMPLE(above_ptr[-1]) + GETJSAMPLE(above_ptr[1]) + - GETJSAMPLE(below_ptr[-1]) + GETJSAMPLE(below_ptr[1]); - membersum = membersum * memberscale + neighsum * neighscale; - *outptr = (JSAMPLE) ((membersum + 32768) >> 16); - - inrow += 2; - } -} - - -/* - * Downsample pixel values of a single component. - * This version handles the special case of a full-size component, - * with smoothing. One row of context is required. - */ - -METHODDEF(void) -fullsize_smooth_downsample (j_compress_ptr cinfo, jpeg_component_info *compptr, - JSAMPARRAY input_data, JSAMPARRAY output_data) -{ - int outrow; - JDIMENSION colctr; - JDIMENSION output_cols = compptr->width_in_blocks * DCTSIZE; - register JSAMPROW inptr, above_ptr, below_ptr, outptr; - INT32 membersum, neighsum, memberscale, neighscale; - int colsum, lastcolsum, nextcolsum; - - /* Expand input data enough to let all the output samples be generated - * by the standard loop. Special-casing padded output would be more - * efficient. - */ - expand_right_edge(input_data - 1, cinfo->max_v_samp_factor + 2, - cinfo->image_width, output_cols); - - /* Each of the eight neighbor pixels contributes a fraction SF to the - * smoothed pixel, while the main pixel contributes (1-8*SF). In order - * to use integer arithmetic, these factors are multiplied by 2^16 = 65536. - * Also recall that SF = smoothing_factor / 1024. - */ - - memberscale = 65536L - cinfo->smoothing_factor * 512L; /* scaled 1-8*SF */ - neighscale = cinfo->smoothing_factor * 64; /* scaled SF */ - - for (outrow = 0; outrow < compptr->v_samp_factor; outrow++) { - outptr = output_data[outrow]; - inptr = input_data[outrow]; - above_ptr = input_data[outrow-1]; - below_ptr = input_data[outrow+1]; - - /* Special case for first column */ - colsum = GETJSAMPLE(*above_ptr++) + GETJSAMPLE(*below_ptr++) + - GETJSAMPLE(*inptr); - membersum = GETJSAMPLE(*inptr++); - nextcolsum = GETJSAMPLE(*above_ptr) + GETJSAMPLE(*below_ptr) + - GETJSAMPLE(*inptr); - neighsum = colsum + (colsum - membersum) + nextcolsum; - membersum = membersum * memberscale + neighsum * neighscale; - *outptr++ = (JSAMPLE) ((membersum + 32768) >> 16); - lastcolsum = colsum; colsum = nextcolsum; - - for (colctr = output_cols - 2; colctr > 0; colctr--) { - membersum = GETJSAMPLE(*inptr++); - above_ptr++; below_ptr++; - nextcolsum = GETJSAMPLE(*above_ptr) + GETJSAMPLE(*below_ptr) + - GETJSAMPLE(*inptr); - neighsum = lastcolsum + (colsum - membersum) + nextcolsum; - membersum = membersum * memberscale + neighsum * neighscale; - *outptr++ = (JSAMPLE) ((membersum + 32768) >> 16); - lastcolsum = colsum; colsum = nextcolsum; - } - - /* Special case for last column */ - membersum = GETJSAMPLE(*inptr); - neighsum = lastcolsum + (colsum - membersum) + colsum; - membersum = membersum * memberscale + neighsum * neighscale; - *outptr = (JSAMPLE) ((membersum + 32768) >> 16); - - } -} - -#endif /* INPUT_SMOOTHING_SUPPORTED */ - - -/* - * Module initialization routine for downsampling. - * Note that we must select a routine for each component. - */ - -GLOBAL(void) -jinit_downsampler (j_compress_ptr cinfo) -{ - my_downsample_ptr downsample; - int ci; - jpeg_component_info * compptr; - boolean smoothok = TRUE; - - downsample = (my_downsample_ptr) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(my_downsampler)); - cinfo->downsample = (struct jpeg_downsampler *) downsample; - downsample->pub.start_pass = start_pass_downsample; - downsample->pub.downsample = sep_downsample; - downsample->pub.need_context_rows = FALSE; - - if (cinfo->CCIR601_sampling) - ERREXIT(cinfo, JERR_CCIR601_NOTIMPL); - - /* Verify we can handle the sampling factors, and set up method pointers */ - for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; - ci++, compptr++) { - if (compptr->h_samp_factor == cinfo->max_h_samp_factor && - compptr->v_samp_factor == cinfo->max_v_samp_factor) { -#ifdef INPUT_SMOOTHING_SUPPORTED - if (cinfo->smoothing_factor) { - downsample->methods[ci] = fullsize_smooth_downsample; - downsample->pub.need_context_rows = TRUE; - } else -#endif - downsample->methods[ci] = fullsize_downsample; - } else if (compptr->h_samp_factor * 2 == cinfo->max_h_samp_factor && - compptr->v_samp_factor == cinfo->max_v_samp_factor) { - smoothok = FALSE; - if (jsimd_can_h2v1_downsample()) - downsample->methods[ci] = jsimd_h2v1_downsample; - else - downsample->methods[ci] = h2v1_downsample; - } else if (compptr->h_samp_factor * 2 == cinfo->max_h_samp_factor && - compptr->v_samp_factor * 2 == cinfo->max_v_samp_factor) { -#ifdef INPUT_SMOOTHING_SUPPORTED - if (cinfo->smoothing_factor) { - downsample->methods[ci] = h2v2_smooth_downsample; - downsample->pub.need_context_rows = TRUE; - } else -#endif - if (jsimd_can_h2v2_downsample()) - downsample->methods[ci] = jsimd_h2v2_downsample; - else - downsample->methods[ci] = h2v2_downsample; - } else if ((cinfo->max_h_samp_factor % compptr->h_samp_factor) == 0 && - (cinfo->max_v_samp_factor % compptr->v_samp_factor) == 0) { - smoothok = FALSE; - downsample->methods[ci] = int_downsample; - } else - ERREXIT(cinfo, JERR_FRACT_SAMPLE_NOTIMPL); - } - -#ifdef INPUT_SMOOTHING_SUPPORTED - if (cinfo->smoothing_factor && !smoothok) - TRACEMS(cinfo, 0, JTRC_SMOOTH_NOTIMPL); -#endif -} diff --git a/common/jpeg/jctrans.c b/common/jpeg/jctrans.c deleted file mode 100644 index 0e6d7076..00000000 --- a/common/jpeg/jctrans.c +++ /dev/null @@ -1,388 +0,0 @@ -/* - * jctrans.c - * - * Copyright (C) 1995-1998, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains library routines for transcoding compression, - * that is, writing raw DCT coefficient arrays to an output JPEG file. - * The routines in jcapimin.c will also be needed by a transcoder. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" - - -/* Forward declarations */ -LOCAL(void) transencode_master_selection - JPP((j_compress_ptr cinfo, jvirt_barray_ptr * coef_arrays)); -LOCAL(void) transencode_coef_controller - JPP((j_compress_ptr cinfo, jvirt_barray_ptr * coef_arrays)); - - -/* - * Compression initialization for writing raw-coefficient data. - * Before calling this, all parameters and a data destination must be set up. - * Call jpeg_finish_compress() to actually write the data. - * - * The number of passed virtual arrays must match cinfo->num_components. - * Note that the virtual arrays need not be filled or even realized at - * the time write_coefficients is called; indeed, if the virtual arrays - * were requested from this compression object's memory manager, they - * typically will be realized during this routine and filled afterwards. - */ - -GLOBAL(void) -jpeg_write_coefficients (j_compress_ptr cinfo, jvirt_barray_ptr * coef_arrays) -{ - if (cinfo->global_state != CSTATE_START) - ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); - /* Mark all tables to be written */ - jpeg_suppress_tables(cinfo, FALSE); - /* (Re)initialize error mgr and destination modules */ - (*cinfo->err->reset_error_mgr) ((j_common_ptr) cinfo); - (*cinfo->dest->init_destination) (cinfo); - /* Perform master selection of active modules */ - transencode_master_selection(cinfo, coef_arrays); - /* Wait for jpeg_finish_compress() call */ - cinfo->next_scanline = 0; /* so jpeg_write_marker works */ - cinfo->global_state = CSTATE_WRCOEFS; -} - - -/* - * Initialize the compression object with default parameters, - * then copy from the source object all parameters needed for lossless - * transcoding. Parameters that can be varied without loss (such as - * scan script and Huffman optimization) are left in their default states. - */ - -GLOBAL(void) -jpeg_copy_critical_parameters (j_decompress_ptr srcinfo, - j_compress_ptr dstinfo) -{ - JQUANT_TBL ** qtblptr; - jpeg_component_info *incomp, *outcomp; - JQUANT_TBL *c_quant, *slot_quant; - int tblno, ci, coefi; - - /* Safety check to ensure start_compress not called yet. */ - if (dstinfo->global_state != CSTATE_START) - ERREXIT1(dstinfo, JERR_BAD_STATE, dstinfo->global_state); - /* Copy fundamental image dimensions */ - dstinfo->image_width = srcinfo->image_width; - dstinfo->image_height = srcinfo->image_height; - dstinfo->input_components = srcinfo->num_components; - dstinfo->in_color_space = srcinfo->jpeg_color_space; - /* Initialize all parameters to default values */ - jpeg_set_defaults(dstinfo); - /* jpeg_set_defaults may choose wrong colorspace, eg YCbCr if input is RGB. - * Fix it to get the right header markers for the image colorspace. - */ - jpeg_set_colorspace(dstinfo, srcinfo->jpeg_color_space); - dstinfo->data_precision = srcinfo->data_precision; - dstinfo->CCIR601_sampling = srcinfo->CCIR601_sampling; - /* Copy the source's quantization tables. */ - for (tblno = 0; tblno < NUM_QUANT_TBLS; tblno++) { - if (srcinfo->quant_tbl_ptrs[tblno] != NULL) { - qtblptr = & dstinfo->quant_tbl_ptrs[tblno]; - if (*qtblptr == NULL) - *qtblptr = jpeg_alloc_quant_table((j_common_ptr) dstinfo); - MEMCOPY((*qtblptr)->quantval, - srcinfo->quant_tbl_ptrs[tblno]->quantval, - SIZEOF((*qtblptr)->quantval)); - (*qtblptr)->sent_table = FALSE; - } - } - /* Copy the source's per-component info. - * Note we assume jpeg_set_defaults has allocated the dest comp_info array. - */ - dstinfo->num_components = srcinfo->num_components; - if (dstinfo->num_components < 1 || dstinfo->num_components > MAX_COMPONENTS) - ERREXIT2(dstinfo, JERR_COMPONENT_COUNT, dstinfo->num_components, - MAX_COMPONENTS); - for (ci = 0, incomp = srcinfo->comp_info, outcomp = dstinfo->comp_info; - ci < dstinfo->num_components; ci++, incomp++, outcomp++) { - outcomp->component_id = incomp->component_id; - outcomp->h_samp_factor = incomp->h_samp_factor; - outcomp->v_samp_factor = incomp->v_samp_factor; - outcomp->quant_tbl_no = incomp->quant_tbl_no; - /* Make sure saved quantization table for component matches the qtable - * slot. If not, the input file re-used this qtable slot. - * IJG encoder currently cannot duplicate this. - */ - tblno = outcomp->quant_tbl_no; - if (tblno < 0 || tblno >= NUM_QUANT_TBLS || - srcinfo->quant_tbl_ptrs[tblno] == NULL) - ERREXIT1(dstinfo, JERR_NO_QUANT_TABLE, tblno); - slot_quant = srcinfo->quant_tbl_ptrs[tblno]; - c_quant = incomp->quant_table; - if (c_quant != NULL) { - for (coefi = 0; coefi < DCTSIZE2; coefi++) { - if (c_quant->quantval[coefi] != slot_quant->quantval[coefi]) - ERREXIT1(dstinfo, JERR_MISMATCHED_QUANT_TABLE, tblno); - } - } - /* Note: we do not copy the source's Huffman table assignments; - * instead we rely on jpeg_set_colorspace to have made a suitable choice. - */ - } - /* Also copy JFIF version and resolution information, if available. - * Strictly speaking this isn't "critical" info, but it's nearly - * always appropriate to copy it if available. In particular, - * if the application chooses to copy JFIF 1.02 extension markers from - * the source file, we need to copy the version to make sure we don't - * emit a file that has 1.02 extensions but a claimed version of 1.01. - * We will *not*, however, copy version info from mislabeled "2.01" files. - */ - if (srcinfo->saw_JFIF_marker) { - if (srcinfo->JFIF_major_version == 1) { - dstinfo->JFIF_major_version = srcinfo->JFIF_major_version; - dstinfo->JFIF_minor_version = srcinfo->JFIF_minor_version; - } - dstinfo->density_unit = srcinfo->density_unit; - dstinfo->X_density = srcinfo->X_density; - dstinfo->Y_density = srcinfo->Y_density; - } -} - - -/* - * Master selection of compression modules for transcoding. - * This substitutes for jcinit.c's initialization of the full compressor. - */ - -LOCAL(void) -transencode_master_selection (j_compress_ptr cinfo, - jvirt_barray_ptr * coef_arrays) -{ - /* Although we don't actually use input_components for transcoding, - * jcmaster.c's initial_setup will complain if input_components is 0. - */ - cinfo->input_components = 1; - /* Initialize master control (includes parameter checking/processing) */ - jinit_c_master_control(cinfo, TRUE /* transcode only */); - - /* Entropy encoding: either Huffman or arithmetic coding. */ - if (cinfo->arith_code) { - ERREXIT(cinfo, JERR_ARITH_NOTIMPL); - } else { - if (cinfo->progressive_mode) { -#ifdef C_PROGRESSIVE_SUPPORTED - jinit_phuff_encoder(cinfo); -#else - ERREXIT(cinfo, JERR_NOT_COMPILED); -#endif - } else - jinit_huff_encoder(cinfo); - } - - /* We need a special coefficient buffer controller. */ - transencode_coef_controller(cinfo, coef_arrays); - - jinit_marker_writer(cinfo); - - /* We can now tell the memory manager to allocate virtual arrays. */ - (*cinfo->mem->realize_virt_arrays) ((j_common_ptr) cinfo); - - /* Write the datastream header (SOI, JFIF) immediately. - * Frame and scan headers are postponed till later. - * This lets application insert special markers after the SOI. - */ - (*cinfo->marker->write_file_header) (cinfo); -} - - -/* - * The rest of this file is a special implementation of the coefficient - * buffer controller. This is similar to jccoefct.c, but it handles only - * output from presupplied virtual arrays. Furthermore, we generate any - * dummy padding blocks on-the-fly rather than expecting them to be present - * in the arrays. - */ - -/* Private buffer controller object */ - -typedef struct { - struct jpeg_c_coef_controller pub; /* public fields */ - - JDIMENSION iMCU_row_num; /* iMCU row # within image */ - JDIMENSION mcu_ctr; /* counts MCUs processed in current row */ - int MCU_vert_offset; /* counts MCU rows within iMCU row */ - int MCU_rows_per_iMCU_row; /* number of such rows needed */ - - /* Virtual block array for each component. */ - jvirt_barray_ptr * whole_image; - - /* Workspace for constructing dummy blocks at right/bottom edges. */ - JBLOCKROW dummy_buffer[C_MAX_BLOCKS_IN_MCU]; -} my_coef_controller; - -typedef my_coef_controller * my_coef_ptr; - - -LOCAL(void) -start_iMCU_row (j_compress_ptr cinfo) -/* Reset within-iMCU-row counters for a new row */ -{ - my_coef_ptr coef = (my_coef_ptr) cinfo->coef; - - /* In an interleaved scan, an MCU row is the same as an iMCU row. - * In a noninterleaved scan, an iMCU row has v_samp_factor MCU rows. - * But at the bottom of the image, process only what's left. - */ - if (cinfo->comps_in_scan > 1) { - coef->MCU_rows_per_iMCU_row = 1; - } else { - if (coef->iMCU_row_num < (cinfo->total_iMCU_rows-1)) - coef->MCU_rows_per_iMCU_row = cinfo->cur_comp_info[0]->v_samp_factor; - else - coef->MCU_rows_per_iMCU_row = cinfo->cur_comp_info[0]->last_row_height; - } - - coef->mcu_ctr = 0; - coef->MCU_vert_offset = 0; -} - - -/* - * Initialize for a processing pass. - */ - -METHODDEF(void) -start_pass_coef (j_compress_ptr cinfo, J_BUF_MODE pass_mode) -{ - my_coef_ptr coef = (my_coef_ptr) cinfo->coef; - - if (pass_mode != JBUF_CRANK_DEST) - ERREXIT(cinfo, JERR_BAD_BUFFER_MODE); - - coef->iMCU_row_num = 0; - start_iMCU_row(cinfo); -} - - -/* - * Process some data. - * We process the equivalent of one fully interleaved MCU row ("iMCU" row) - * per call, ie, v_samp_factor block rows for each component in the scan. - * The data is obtained from the virtual arrays and fed to the entropy coder. - * Returns TRUE if the iMCU row is completed, FALSE if suspended. - * - * NB: input_buf is ignored; it is likely to be a NULL pointer. - */ - -METHODDEF(boolean) -compress_output (j_compress_ptr cinfo, JSAMPIMAGE input_buf) -{ - my_coef_ptr coef = (my_coef_ptr) cinfo->coef; - JDIMENSION MCU_col_num; /* index of current MCU within row */ - JDIMENSION last_MCU_col = cinfo->MCUs_per_row - 1; - JDIMENSION last_iMCU_row = cinfo->total_iMCU_rows - 1; - int blkn, ci, xindex, yindex, yoffset, blockcnt; - JDIMENSION start_col; - JBLOCKARRAY buffer[MAX_COMPS_IN_SCAN]; - JBLOCKROW MCU_buffer[C_MAX_BLOCKS_IN_MCU]; - JBLOCKROW buffer_ptr; - jpeg_component_info *compptr; - - /* Align the virtual buffers for the components used in this scan. */ - for (ci = 0; ci < cinfo->comps_in_scan; ci++) { - compptr = cinfo->cur_comp_info[ci]; - buffer[ci] = (*cinfo->mem->access_virt_barray) - ((j_common_ptr) cinfo, coef->whole_image[compptr->component_index], - coef->iMCU_row_num * compptr->v_samp_factor, - (JDIMENSION) compptr->v_samp_factor, FALSE); - } - - /* Loop to process one whole iMCU row */ - for (yoffset = coef->MCU_vert_offset; yoffset < coef->MCU_rows_per_iMCU_row; - yoffset++) { - for (MCU_col_num = coef->mcu_ctr; MCU_col_num < cinfo->MCUs_per_row; - MCU_col_num++) { - /* Construct list of pointers to DCT blocks belonging to this MCU */ - blkn = 0; /* index of current DCT block within MCU */ - for (ci = 0; ci < cinfo->comps_in_scan; ci++) { - compptr = cinfo->cur_comp_info[ci]; - start_col = MCU_col_num * compptr->MCU_width; - blockcnt = (MCU_col_num < last_MCU_col) ? compptr->MCU_width - : compptr->last_col_width; - for (yindex = 0; yindex < compptr->MCU_height; yindex++) { - if (coef->iMCU_row_num < last_iMCU_row || - yindex+yoffset < compptr->last_row_height) { - /* Fill in pointers to real blocks in this row */ - buffer_ptr = buffer[ci][yindex+yoffset] + start_col; - for (xindex = 0; xindex < blockcnt; xindex++) - MCU_buffer[blkn++] = buffer_ptr++; - } else { - /* At bottom of image, need a whole row of dummy blocks */ - xindex = 0; - } - /* Fill in any dummy blocks needed in this row. - * Dummy blocks are filled in the same way as in jccoefct.c: - * all zeroes in the AC entries, DC entries equal to previous - * block's DC value. The init routine has already zeroed the - * AC entries, so we need only set the DC entries correctly. - */ - for (; xindex < compptr->MCU_width; xindex++) { - MCU_buffer[blkn] = coef->dummy_buffer[blkn]; - MCU_buffer[blkn][0][0] = MCU_buffer[blkn-1][0][0]; - blkn++; - } - } - } - /* Try to write the MCU. */ - if (! (*cinfo->entropy->encode_mcu) (cinfo, MCU_buffer)) { - /* Suspension forced; update state counters and exit */ - coef->MCU_vert_offset = yoffset; - coef->mcu_ctr = MCU_col_num; - return FALSE; - } - } - /* Completed an MCU row, but perhaps not an iMCU row */ - coef->mcu_ctr = 0; - } - /* Completed the iMCU row, advance counters for next one */ - coef->iMCU_row_num++; - start_iMCU_row(cinfo); - return TRUE; -} - - -/* - * Initialize coefficient buffer controller. - * - * Each passed coefficient array must be the right size for that - * coefficient: width_in_blocks wide and height_in_blocks high, - * with unitheight at least v_samp_factor. - */ - -LOCAL(void) -transencode_coef_controller (j_compress_ptr cinfo, - jvirt_barray_ptr * coef_arrays) -{ - my_coef_ptr coef; - JBLOCKROW buffer; - int i; - - coef = (my_coef_ptr) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(my_coef_controller)); - cinfo->coef = (struct jpeg_c_coef_controller *) coef; - coef->pub.start_pass = start_pass_coef; - coef->pub.compress_data = compress_output; - - /* Save pointer to virtual arrays */ - coef->whole_image = coef_arrays; - - /* Allocate and pre-zero space for dummy DCT blocks. */ - buffer = (JBLOCKROW) - (*cinfo->mem->alloc_large) ((j_common_ptr) cinfo, JPOOL_IMAGE, - C_MAX_BLOCKS_IN_MCU * SIZEOF(JBLOCK)); - jzero_far((void FAR *) buffer, C_MAX_BLOCKS_IN_MCU * SIZEOF(JBLOCK)); - for (i = 0; i < C_MAX_BLOCKS_IN_MCU; i++) { - coef->dummy_buffer[i] = buffer + i; - } -} diff --git a/common/jpeg/jdapimin.c b/common/jpeg/jdapimin.c deleted file mode 100644 index cadb59fc..00000000 --- a/common/jpeg/jdapimin.c +++ /dev/null @@ -1,395 +0,0 @@ -/* - * jdapimin.c - * - * Copyright (C) 1994-1998, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains application interface code for the decompression half - * of the JPEG library. These are the "minimum" API routines that may be - * needed in either the normal full-decompression case or the - * transcoding-only case. - * - * Most of the routines intended to be called directly by an application - * are in this file or in jdapistd.c. But also see jcomapi.c for routines - * shared by compression and decompression, and jdtrans.c for the transcoding - * case. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" - - -/* - * Initialization of a JPEG decompression object. - * The error manager must already be set up (in case memory manager fails). - */ - -GLOBAL(void) -jpeg_CreateDecompress (j_decompress_ptr cinfo, int version, size_t structsize) -{ - int i; - - /* Guard against version mismatches between library and caller. */ - cinfo->mem = NULL; /* so jpeg_destroy knows mem mgr not called */ - if (version != JPEG_LIB_VERSION) - ERREXIT2(cinfo, JERR_BAD_LIB_VERSION, JPEG_LIB_VERSION, version); - if (structsize != SIZEOF(struct jpeg_decompress_struct)) - ERREXIT2(cinfo, JERR_BAD_STRUCT_SIZE, - (int) SIZEOF(struct jpeg_decompress_struct), (int) structsize); - - /* For debugging purposes, we zero the whole master structure. - * But the application has already set the err pointer, and may have set - * client_data, so we have to save and restore those fields. - * Note: if application hasn't set client_data, tools like Purify may - * complain here. - */ - { - struct jpeg_error_mgr * err = cinfo->err; - void * client_data = cinfo->client_data; /* ignore Purify complaint here */ - MEMZERO(cinfo, SIZEOF(struct jpeg_decompress_struct)); - cinfo->err = err; - cinfo->client_data = client_data; - } - cinfo->is_decompressor = TRUE; - - /* Initialize a memory manager instance for this object */ - jinit_memory_mgr((j_common_ptr) cinfo); - - /* Zero out pointers to permanent structures. */ - cinfo->progress = NULL; - cinfo->src = NULL; - - for (i = 0; i < NUM_QUANT_TBLS; i++) - cinfo->quant_tbl_ptrs[i] = NULL; - - for (i = 0; i < NUM_HUFF_TBLS; i++) { - cinfo->dc_huff_tbl_ptrs[i] = NULL; - cinfo->ac_huff_tbl_ptrs[i] = NULL; - } - - /* Initialize marker processor so application can override methods - * for COM, APPn markers before calling jpeg_read_header. - */ - cinfo->marker_list = NULL; - jinit_marker_reader(cinfo); - - /* And initialize the overall input controller. */ - jinit_input_controller(cinfo); - - /* OK, I'm ready */ - cinfo->global_state = DSTATE_START; -} - - -/* - * Destruction of a JPEG decompression object - */ - -GLOBAL(void) -jpeg_destroy_decompress (j_decompress_ptr cinfo) -{ - jpeg_destroy((j_common_ptr) cinfo); /* use common routine */ -} - - -/* - * Abort processing of a JPEG decompression operation, - * but don't destroy the object itself. - */ - -GLOBAL(void) -jpeg_abort_decompress (j_decompress_ptr cinfo) -{ - jpeg_abort((j_common_ptr) cinfo); /* use common routine */ -} - - -/* - * Set default decompression parameters. - */ - -LOCAL(void) -default_decompress_parms (j_decompress_ptr cinfo) -{ - /* Guess the input colorspace, and set output colorspace accordingly. */ - /* (Wish JPEG committee had provided a real way to specify this...) */ - /* Note application may override our guesses. */ - switch (cinfo->num_components) { - case 1: - cinfo->jpeg_color_space = JCS_GRAYSCALE; - cinfo->out_color_space = JCS_GRAYSCALE; - break; - - case 3: - if (cinfo->saw_JFIF_marker) { - cinfo->jpeg_color_space = JCS_YCbCr; /* JFIF implies YCbCr */ - } else if (cinfo->saw_Adobe_marker) { - switch (cinfo->Adobe_transform) { - case 0: - cinfo->jpeg_color_space = JCS_RGB; - break; - case 1: - cinfo->jpeg_color_space = JCS_YCbCr; - break; - default: - WARNMS1(cinfo, JWRN_ADOBE_XFORM, cinfo->Adobe_transform); - cinfo->jpeg_color_space = JCS_YCbCr; /* assume it's YCbCr */ - break; - } - } else { - /* Saw no special markers, try to guess from the component IDs */ - int cid0 = cinfo->comp_info[0].component_id; - int cid1 = cinfo->comp_info[1].component_id; - int cid2 = cinfo->comp_info[2].component_id; - - if (cid0 == 1 && cid1 == 2 && cid2 == 3) - cinfo->jpeg_color_space = JCS_YCbCr; /* assume JFIF w/out marker */ - else if (cid0 == 82 && cid1 == 71 && cid2 == 66) - cinfo->jpeg_color_space = JCS_RGB; /* ASCII 'R', 'G', 'B' */ - else { - TRACEMS3(cinfo, 1, JTRC_UNKNOWN_IDS, cid0, cid1, cid2); - cinfo->jpeg_color_space = JCS_YCbCr; /* assume it's YCbCr */ - } - } - /* Always guess RGB is proper output colorspace. */ - cinfo->out_color_space = JCS_RGB; - break; - - case 4: - if (cinfo->saw_Adobe_marker) { - switch (cinfo->Adobe_transform) { - case 0: - cinfo->jpeg_color_space = JCS_CMYK; - break; - case 2: - cinfo->jpeg_color_space = JCS_YCCK; - break; - default: - WARNMS1(cinfo, JWRN_ADOBE_XFORM, cinfo->Adobe_transform); - cinfo->jpeg_color_space = JCS_YCCK; /* assume it's YCCK */ - break; - } - } else { - /* No special markers, assume straight CMYK. */ - cinfo->jpeg_color_space = JCS_CMYK; - } - cinfo->out_color_space = JCS_CMYK; - break; - - default: - cinfo->jpeg_color_space = JCS_UNKNOWN; - cinfo->out_color_space = JCS_UNKNOWN; - break; - } - - /* Set defaults for other decompression parameters. */ - cinfo->scale_num = 1; /* 1:1 scaling */ - cinfo->scale_denom = 1; - cinfo->output_gamma = 1.0; - cinfo->buffered_image = FALSE; - cinfo->raw_data_out = FALSE; - cinfo->dct_method = JDCT_DEFAULT; - cinfo->do_fancy_upsampling = TRUE; - cinfo->do_block_smoothing = TRUE; - cinfo->quantize_colors = FALSE; - /* We set these in case application only sets quantize_colors. */ - cinfo->dither_mode = JDITHER_FS; -#ifdef QUANT_2PASS_SUPPORTED - cinfo->two_pass_quantize = TRUE; -#else - cinfo->two_pass_quantize = FALSE; -#endif - cinfo->desired_number_of_colors = 256; - cinfo->colormap = NULL; - /* Initialize for no mode change in buffered-image mode. */ - cinfo->enable_1pass_quant = FALSE; - cinfo->enable_external_quant = FALSE; - cinfo->enable_2pass_quant = FALSE; -} - - -/* - * Decompression startup: read start of JPEG datastream to see what's there. - * Need only initialize JPEG object and supply a data source before calling. - * - * This routine will read as far as the first SOS marker (ie, actual start of - * compressed data), and will save all tables and parameters in the JPEG - * object. It will also initialize the decompression parameters to default - * values, and finally return JPEG_HEADER_OK. On return, the application may - * adjust the decompression parameters and then call jpeg_start_decompress. - * (Or, if the application only wanted to determine the image parameters, - * the data need not be decompressed. In that case, call jpeg_abort or - * jpeg_destroy to release any temporary space.) - * If an abbreviated (tables only) datastream is presented, the routine will - * return JPEG_HEADER_TABLES_ONLY upon reaching EOI. The application may then - * re-use the JPEG object to read the abbreviated image datastream(s). - * It is unnecessary (but OK) to call jpeg_abort in this case. - * The JPEG_SUSPENDED return code only occurs if the data source module - * requests suspension of the decompressor. In this case the application - * should load more source data and then re-call jpeg_read_header to resume - * processing. - * If a non-suspending data source is used and require_image is TRUE, then the - * return code need not be inspected since only JPEG_HEADER_OK is possible. - * - * This routine is now just a front end to jpeg_consume_input, with some - * extra error checking. - */ - -GLOBAL(int) -jpeg_read_header (j_decompress_ptr cinfo, boolean require_image) -{ - int retcode; - - if (cinfo->global_state != DSTATE_START && - cinfo->global_state != DSTATE_INHEADER) - ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); - - retcode = jpeg_consume_input(cinfo); - - switch (retcode) { - case JPEG_REACHED_SOS: - retcode = JPEG_HEADER_OK; - break; - case JPEG_REACHED_EOI: - if (require_image) /* Complain if application wanted an image */ - ERREXIT(cinfo, JERR_NO_IMAGE); - /* Reset to start state; it would be safer to require the application to - * call jpeg_abort, but we can't change it now for compatibility reasons. - * A side effect is to free any temporary memory (there shouldn't be any). - */ - jpeg_abort((j_common_ptr) cinfo); /* sets state = DSTATE_START */ - retcode = JPEG_HEADER_TABLES_ONLY; - break; - case JPEG_SUSPENDED: - /* no work */ - break; - } - - return retcode; -} - - -/* - * Consume data in advance of what the decompressor requires. - * This can be called at any time once the decompressor object has - * been created and a data source has been set up. - * - * This routine is essentially a state machine that handles a couple - * of critical state-transition actions, namely initial setup and - * transition from header scanning to ready-for-start_decompress. - * All the actual input is done via the input controller's consume_input - * method. - */ - -GLOBAL(int) -jpeg_consume_input (j_decompress_ptr cinfo) -{ - int retcode = JPEG_SUSPENDED; - - /* NB: every possible DSTATE value should be listed in this switch */ - switch (cinfo->global_state) { - case DSTATE_START: - /* Start-of-datastream actions: reset appropriate modules */ - (*cinfo->inputctl->reset_input_controller) (cinfo); - /* Initialize application's data source module */ - (*cinfo->src->init_source) (cinfo); - cinfo->global_state = DSTATE_INHEADER; - /*FALLTHROUGH*/ - case DSTATE_INHEADER: - retcode = (*cinfo->inputctl->consume_input) (cinfo); - if (retcode == JPEG_REACHED_SOS) { /* Found SOS, prepare to decompress */ - /* Set up default parameters based on header data */ - default_decompress_parms(cinfo); - /* Set global state: ready for start_decompress */ - cinfo->global_state = DSTATE_READY; - } - break; - case DSTATE_READY: - /* Can't advance past first SOS until start_decompress is called */ - retcode = JPEG_REACHED_SOS; - break; - case DSTATE_PRELOAD: - case DSTATE_PRESCAN: - case DSTATE_SCANNING: - case DSTATE_RAW_OK: - case DSTATE_BUFIMAGE: - case DSTATE_BUFPOST: - case DSTATE_STOPPING: - retcode = (*cinfo->inputctl->consume_input) (cinfo); - break; - default: - ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); - } - return retcode; -} - - -/* - * Have we finished reading the input file? - */ - -GLOBAL(boolean) -jpeg_input_complete (j_decompress_ptr cinfo) -{ - /* Check for valid jpeg object */ - if (cinfo->global_state < DSTATE_START || - cinfo->global_state > DSTATE_STOPPING) - ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); - return cinfo->inputctl->eoi_reached; -} - - -/* - * Is there more than one scan? - */ - -GLOBAL(boolean) -jpeg_has_multiple_scans (j_decompress_ptr cinfo) -{ - /* Only valid after jpeg_read_header completes */ - if (cinfo->global_state < DSTATE_READY || - cinfo->global_state > DSTATE_STOPPING) - ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); - return cinfo->inputctl->has_multiple_scans; -} - - -/* - * Finish JPEG decompression. - * - * This will normally just verify the file trailer and release temp storage. - * - * Returns FALSE if suspended. The return value need be inspected only if - * a suspending data source is used. - */ - -GLOBAL(boolean) -jpeg_finish_decompress (j_decompress_ptr cinfo) -{ - if ((cinfo->global_state == DSTATE_SCANNING || - cinfo->global_state == DSTATE_RAW_OK) && ! cinfo->buffered_image) { - /* Terminate final pass of non-buffered mode */ - if (cinfo->output_scanline < cinfo->output_height) - ERREXIT(cinfo, JERR_TOO_LITTLE_DATA); - (*cinfo->master->finish_output_pass) (cinfo); - cinfo->global_state = DSTATE_STOPPING; - } else if (cinfo->global_state == DSTATE_BUFIMAGE) { - /* Finishing after a buffered-image operation */ - cinfo->global_state = DSTATE_STOPPING; - } else if (cinfo->global_state != DSTATE_STOPPING) { - /* STOPPING = repeat call after a suspension, anything else is error */ - ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); - } - /* Read until EOI */ - while (! cinfo->inputctl->eoi_reached) { - if ((*cinfo->inputctl->consume_input) (cinfo) == JPEG_SUSPENDED) - return FALSE; /* Suspend, come back later */ - } - /* Do final cleanup */ - (*cinfo->src->term_source) (cinfo); - /* We can use jpeg_abort to release memory and reset global_state */ - jpeg_abort((j_common_ptr) cinfo); - return TRUE; -} diff --git a/common/jpeg/jdapistd.c b/common/jpeg/jdapistd.c deleted file mode 100644 index c8e3fa0c..00000000 --- a/common/jpeg/jdapistd.c +++ /dev/null @@ -1,275 +0,0 @@ -/* - * jdapistd.c - * - * Copyright (C) 1994-1996, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains application interface code for the decompression half - * of the JPEG library. These are the "standard" API routines that are - * used in the normal full-decompression case. They are not used by a - * transcoding-only application. Note that if an application links in - * jpeg_start_decompress, it will end up linking in the entire decompressor. - * We thus must separate this file from jdapimin.c to avoid linking the - * whole decompression library into a transcoder. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" - - -/* Forward declarations */ -LOCAL(boolean) output_pass_setup JPP((j_decompress_ptr cinfo)); - - -/* - * Decompression initialization. - * jpeg_read_header must be completed before calling this. - * - * If a multipass operating mode was selected, this will do all but the - * last pass, and thus may take a great deal of time. - * - * Returns FALSE if suspended. The return value need be inspected only if - * a suspending data source is used. - */ - -GLOBAL(boolean) -jpeg_start_decompress (j_decompress_ptr cinfo) -{ - if (cinfo->global_state == DSTATE_READY) { - /* First call: initialize master control, select active modules */ - jinit_master_decompress(cinfo); - if (cinfo->buffered_image) { - /* No more work here; expecting jpeg_start_output next */ - cinfo->global_state = DSTATE_BUFIMAGE; - return TRUE; - } - cinfo->global_state = DSTATE_PRELOAD; - } - if (cinfo->global_state == DSTATE_PRELOAD) { - /* If file has multiple scans, absorb them all into the coef buffer */ - if (cinfo->inputctl->has_multiple_scans) { -#ifdef D_MULTISCAN_FILES_SUPPORTED - for (;;) { - int retcode; - /* Call progress monitor hook if present */ - if (cinfo->progress != NULL) - (*cinfo->progress->progress_monitor) ((j_common_ptr) cinfo); - /* Absorb some more input */ - retcode = (*cinfo->inputctl->consume_input) (cinfo); - if (retcode == JPEG_SUSPENDED) - return FALSE; - if (retcode == JPEG_REACHED_EOI) - break; - /* Advance progress counter if appropriate */ - if (cinfo->progress != NULL && - (retcode == JPEG_ROW_COMPLETED || retcode == JPEG_REACHED_SOS)) { - if (++cinfo->progress->pass_counter >= cinfo->progress->pass_limit) { - /* jdmaster underestimated number of scans; ratchet up one scan */ - cinfo->progress->pass_limit += (long) cinfo->total_iMCU_rows; - } - } - } -#else - ERREXIT(cinfo, JERR_NOT_COMPILED); -#endif /* D_MULTISCAN_FILES_SUPPORTED */ - } - cinfo->output_scan_number = cinfo->input_scan_number; - } else if (cinfo->global_state != DSTATE_PRESCAN) - ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); - /* Perform any dummy output passes, and set up for the final pass */ - return output_pass_setup(cinfo); -} - - -/* - * Set up for an output pass, and perform any dummy pass(es) needed. - * Common subroutine for jpeg_start_decompress and jpeg_start_output. - * Entry: global_state = DSTATE_PRESCAN only if previously suspended. - * Exit: If done, returns TRUE and sets global_state for proper output mode. - * If suspended, returns FALSE and sets global_state = DSTATE_PRESCAN. - */ - -LOCAL(boolean) -output_pass_setup (j_decompress_ptr cinfo) -{ - if (cinfo->global_state != DSTATE_PRESCAN) { - /* First call: do pass setup */ - (*cinfo->master->prepare_for_output_pass) (cinfo); - cinfo->output_scanline = 0; - cinfo->global_state = DSTATE_PRESCAN; - } - /* Loop over any required dummy passes */ - while (cinfo->master->is_dummy_pass) { -#ifdef QUANT_2PASS_SUPPORTED - /* Crank through the dummy pass */ - while (cinfo->output_scanline < cinfo->output_height) { - JDIMENSION last_scanline; - /* Call progress monitor hook if present */ - if (cinfo->progress != NULL) { - cinfo->progress->pass_counter = (long) cinfo->output_scanline; - cinfo->progress->pass_limit = (long) cinfo->output_height; - (*cinfo->progress->progress_monitor) ((j_common_ptr) cinfo); - } - /* Process some data */ - last_scanline = cinfo->output_scanline; - (*cinfo->main->process_data) (cinfo, (JSAMPARRAY) NULL, - &cinfo->output_scanline, (JDIMENSION) 0); - if (cinfo->output_scanline == last_scanline) - return FALSE; /* No progress made, must suspend */ - } - /* Finish up dummy pass, and set up for another one */ - (*cinfo->master->finish_output_pass) (cinfo); - (*cinfo->master->prepare_for_output_pass) (cinfo); - cinfo->output_scanline = 0; -#else - ERREXIT(cinfo, JERR_NOT_COMPILED); -#endif /* QUANT_2PASS_SUPPORTED */ - } - /* Ready for application to drive output pass through - * jpeg_read_scanlines or jpeg_read_raw_data. - */ - cinfo->global_state = cinfo->raw_data_out ? DSTATE_RAW_OK : DSTATE_SCANNING; - return TRUE; -} - - -/* - * Read some scanlines of data from the JPEG decompressor. - * - * The return value will be the number of lines actually read. - * This may be less than the number requested in several cases, - * including bottom of image, data source suspension, and operating - * modes that emit multiple scanlines at a time. - * - * Note: we warn about excess calls to jpeg_read_scanlines() since - * this likely signals an application programmer error. However, - * an oversize buffer (max_lines > scanlines remaining) is not an error. - */ - -GLOBAL(JDIMENSION) -jpeg_read_scanlines (j_decompress_ptr cinfo, JSAMPARRAY scanlines, - JDIMENSION max_lines) -{ - JDIMENSION row_ctr; - - if (cinfo->global_state != DSTATE_SCANNING) - ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); - if (cinfo->output_scanline >= cinfo->output_height) { - WARNMS(cinfo, JWRN_TOO_MUCH_DATA); - return 0; - } - - /* Call progress monitor hook if present */ - if (cinfo->progress != NULL) { - cinfo->progress->pass_counter = (long) cinfo->output_scanline; - cinfo->progress->pass_limit = (long) cinfo->output_height; - (*cinfo->progress->progress_monitor) ((j_common_ptr) cinfo); - } - - /* Process some data */ - row_ctr = 0; - (*cinfo->main->process_data) (cinfo, scanlines, &row_ctr, max_lines); - cinfo->output_scanline += row_ctr; - return row_ctr; -} - - -/* - * Alternate entry point to read raw data. - * Processes exactly one iMCU row per call, unless suspended. - */ - -GLOBAL(JDIMENSION) -jpeg_read_raw_data (j_decompress_ptr cinfo, JSAMPIMAGE data, - JDIMENSION max_lines) -{ - JDIMENSION lines_per_iMCU_row; - - if (cinfo->global_state != DSTATE_RAW_OK) - ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); - if (cinfo->output_scanline >= cinfo->output_height) { - WARNMS(cinfo, JWRN_TOO_MUCH_DATA); - return 0; - } - - /* Call progress monitor hook if present */ - if (cinfo->progress != NULL) { - cinfo->progress->pass_counter = (long) cinfo->output_scanline; - cinfo->progress->pass_limit = (long) cinfo->output_height; - (*cinfo->progress->progress_monitor) ((j_common_ptr) cinfo); - } - - /* Verify that at least one iMCU row can be returned. */ - lines_per_iMCU_row = cinfo->max_v_samp_factor * cinfo->min_DCT_scaled_size; - if (max_lines < lines_per_iMCU_row) - ERREXIT(cinfo, JERR_BUFFER_SIZE); - - /* Decompress directly into user's buffer. */ - if (! (*cinfo->coef->decompress_data) (cinfo, data)) - return 0; /* suspension forced, can do nothing more */ - - /* OK, we processed one iMCU row. */ - cinfo->output_scanline += lines_per_iMCU_row; - return lines_per_iMCU_row; -} - - -/* Additional entry points for buffered-image mode. */ - -#ifdef D_MULTISCAN_FILES_SUPPORTED - -/* - * Initialize for an output pass in buffered-image mode. - */ - -GLOBAL(boolean) -jpeg_start_output (j_decompress_ptr cinfo, int scan_number) -{ - if (cinfo->global_state != DSTATE_BUFIMAGE && - cinfo->global_state != DSTATE_PRESCAN) - ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); - /* Limit scan number to valid range */ - if (scan_number <= 0) - scan_number = 1; - if (cinfo->inputctl->eoi_reached && - scan_number > cinfo->input_scan_number) - scan_number = cinfo->input_scan_number; - cinfo->output_scan_number = scan_number; - /* Perform any dummy output passes, and set up for the real pass */ - return output_pass_setup(cinfo); -} - - -/* - * Finish up after an output pass in buffered-image mode. - * - * Returns FALSE if suspended. The return value need be inspected only if - * a suspending data source is used. - */ - -GLOBAL(boolean) -jpeg_finish_output (j_decompress_ptr cinfo) -{ - if ((cinfo->global_state == DSTATE_SCANNING || - cinfo->global_state == DSTATE_RAW_OK) && cinfo->buffered_image) { - /* Terminate this pass. */ - /* We do not require the whole pass to have been completed. */ - (*cinfo->master->finish_output_pass) (cinfo); - cinfo->global_state = DSTATE_BUFPOST; - } else if (cinfo->global_state != DSTATE_BUFPOST) { - /* BUFPOST = repeat call after a suspension, anything else is error */ - ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); - } - /* Read markers looking for SOS or EOI */ - while (cinfo->input_scan_number <= cinfo->output_scan_number && - ! cinfo->inputctl->eoi_reached) { - if ((*cinfo->inputctl->consume_input) (cinfo) == JPEG_SUSPENDED) - return FALSE; /* Suspend, come back later */ - } - cinfo->global_state = DSTATE_BUFIMAGE; - return TRUE; -} - -#endif /* D_MULTISCAN_FILES_SUPPORTED */ diff --git a/common/jpeg/jdatadst.c b/common/jpeg/jdatadst.c deleted file mode 100644 index a8f6fb0e..00000000 --- a/common/jpeg/jdatadst.c +++ /dev/null @@ -1,151 +0,0 @@ -/* - * jdatadst.c - * - * Copyright (C) 1994-1996, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains compression data destination routines for the case of - * emitting JPEG data to a file (or any stdio stream). While these routines - * are sufficient for most applications, some will want to use a different - * destination manager. - * IMPORTANT: we assume that fwrite() will correctly transcribe an array of - * JOCTETs into 8-bit-wide elements on external storage. If char is wider - * than 8 bits on your machine, you may need to do some tweaking. - */ - -/* this is not a core library module, so it doesn't define JPEG_INTERNALS */ -#include "jinclude.h" -#include "jpeglib.h" -#include "jerror.h" - - -/* Expanded data destination object for stdio output */ - -typedef struct { - struct jpeg_destination_mgr pub; /* public fields */ - - FILE * outfile; /* target stream */ - JOCTET * buffer; /* start of buffer */ -} my_destination_mgr; - -typedef my_destination_mgr * my_dest_ptr; - -#define OUTPUT_BUF_SIZE 4096 /* choose an efficiently fwrite'able size */ - - -/* - * Initialize destination --- called by jpeg_start_compress - * before any data is actually written. - */ - -METHODDEF(void) -init_destination (j_compress_ptr cinfo) -{ - my_dest_ptr dest = (my_dest_ptr) cinfo->dest; - - /* Allocate the output buffer --- it will be released when done with image */ - dest->buffer = (JOCTET *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - OUTPUT_BUF_SIZE * SIZEOF(JOCTET)); - - dest->pub.next_output_byte = dest->buffer; - dest->pub.free_in_buffer = OUTPUT_BUF_SIZE; -} - - -/* - * Empty the output buffer --- called whenever buffer fills up. - * - * In typical applications, this should write the entire output buffer - * (ignoring the current state of next_output_byte & free_in_buffer), - * reset the pointer & count to the start of the buffer, and return TRUE - * indicating that the buffer has been dumped. - * - * In applications that need to be able to suspend compression due to output - * overrun, a FALSE return indicates that the buffer cannot be emptied now. - * In this situation, the compressor will return to its caller (possibly with - * an indication that it has not accepted all the supplied scanlines). The - * application should resume compression after it has made more room in the - * output buffer. Note that there are substantial restrictions on the use of - * suspension --- see the documentation. - * - * When suspending, the compressor will back up to a convenient restart point - * (typically the start of the current MCU). next_output_byte & free_in_buffer - * indicate where the restart point will be if the current call returns FALSE. - * Data beyond this point will be regenerated after resumption, so do not - * write it out when emptying the buffer externally. - */ - -METHODDEF(boolean) -empty_output_buffer (j_compress_ptr cinfo) -{ - my_dest_ptr dest = (my_dest_ptr) cinfo->dest; - - if (JFWRITE(dest->outfile, dest->buffer, OUTPUT_BUF_SIZE) != - (size_t) OUTPUT_BUF_SIZE) - ERREXIT(cinfo, JERR_FILE_WRITE); - - dest->pub.next_output_byte = dest->buffer; - dest->pub.free_in_buffer = OUTPUT_BUF_SIZE; - - return TRUE; -} - - -/* - * Terminate destination --- called by jpeg_finish_compress - * after all data has been written. Usually needs to flush buffer. - * - * NB: *not* called by jpeg_abort or jpeg_destroy; surrounding - * application must deal with any cleanup that should happen even - * for error exit. - */ - -METHODDEF(void) -term_destination (j_compress_ptr cinfo) -{ - my_dest_ptr dest = (my_dest_ptr) cinfo->dest; - size_t datacount = OUTPUT_BUF_SIZE - dest->pub.free_in_buffer; - - /* Write any data remaining in the buffer */ - if (datacount > 0) { - if (JFWRITE(dest->outfile, dest->buffer, datacount) != datacount) - ERREXIT(cinfo, JERR_FILE_WRITE); - } - fflush(dest->outfile); - /* Make sure we wrote the output file OK */ - if (ferror(dest->outfile)) - ERREXIT(cinfo, JERR_FILE_WRITE); -} - - -/* - * Prepare for output to a stdio stream. - * The caller must have already opened the stream, and is responsible - * for closing it after finishing compression. - */ - -GLOBAL(void) -jpeg_stdio_dest (j_compress_ptr cinfo, FILE * outfile) -{ - my_dest_ptr dest; - - /* The destination object is made permanent so that multiple JPEG images - * can be written to the same file without re-executing jpeg_stdio_dest. - * This makes it dangerous to use this manager and a different destination - * manager serially with the same JPEG object, because their private object - * sizes may be different. Caveat programmer. - */ - if (cinfo->dest == NULL) { /* first time for this JPEG object? */ - cinfo->dest = (struct jpeg_destination_mgr *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT, - SIZEOF(my_destination_mgr)); - } - - dest = (my_dest_ptr) cinfo->dest; - dest->pub.init_destination = init_destination; - dest->pub.empty_output_buffer = empty_output_buffer; - dest->pub.term_destination = term_destination; - dest->outfile = outfile; -} diff --git a/common/jpeg/jdatasrc.c b/common/jpeg/jdatasrc.c deleted file mode 100644 index edc752bf..00000000 --- a/common/jpeg/jdatasrc.c +++ /dev/null @@ -1,212 +0,0 @@ -/* - * jdatasrc.c - * - * Copyright (C) 1994-1996, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains decompression data source routines for the case of - * reading JPEG data from a file (or any stdio stream). While these routines - * are sufficient for most applications, some will want to use a different - * source manager. - * IMPORTANT: we assume that fread() will correctly transcribe an array of - * JOCTETs from 8-bit-wide elements on external storage. If char is wider - * than 8 bits on your machine, you may need to do some tweaking. - */ - -/* this is not a core library module, so it doesn't define JPEG_INTERNALS */ -#include "jinclude.h" -#include "jpeglib.h" -#include "jerror.h" - - -/* Expanded data source object for stdio input */ - -typedef struct { - struct jpeg_source_mgr pub; /* public fields */ - - FILE * infile; /* source stream */ - JOCTET * buffer; /* start of buffer */ - boolean start_of_file; /* have we gotten any data yet? */ -} my_source_mgr; - -typedef my_source_mgr * my_src_ptr; - -#define INPUT_BUF_SIZE 4096 /* choose an efficiently fread'able size */ - - -/* - * Initialize source --- called by jpeg_read_header - * before any data is actually read. - */ - -METHODDEF(void) -init_source (j_decompress_ptr cinfo) -{ - my_src_ptr src = (my_src_ptr) cinfo->src; - - /* We reset the empty-input-file flag for each image, - * but we don't clear the input buffer. - * This is correct behavior for reading a series of images from one source. - */ - src->start_of_file = TRUE; -} - - -/* - * Fill the input buffer --- called whenever buffer is emptied. - * - * In typical applications, this should read fresh data into the buffer - * (ignoring the current state of next_input_byte & bytes_in_buffer), - * reset the pointer & count to the start of the buffer, and return TRUE - * indicating that the buffer has been reloaded. It is not necessary to - * fill the buffer entirely, only to obtain at least one more byte. - * - * There is no such thing as an EOF return. If the end of the file has been - * reached, the routine has a choice of ERREXIT() or inserting fake data into - * the buffer. In most cases, generating a warning message and inserting a - * fake EOI marker is the best course of action --- this will allow the - * decompressor to output however much of the image is there. However, - * the resulting error message is misleading if the real problem is an empty - * input file, so we handle that case specially. - * - * In applications that need to be able to suspend compression due to input - * not being available yet, a FALSE return indicates that no more data can be - * obtained right now, but more may be forthcoming later. In this situation, - * the decompressor will return to its caller (with an indication of the - * number of scanlines it has read, if any). The application should resume - * decompression after it has loaded more data into the input buffer. Note - * that there are substantial restrictions on the use of suspension --- see - * the documentation. - * - * When suspending, the decompressor will back up to a convenient restart point - * (typically the start of the current MCU). next_input_byte & bytes_in_buffer - * indicate where the restart point will be if the current call returns FALSE. - * Data beyond this point must be rescanned after resumption, so move it to - * the front of the buffer rather than discarding it. - */ - -METHODDEF(boolean) -fill_input_buffer (j_decompress_ptr cinfo) -{ - my_src_ptr src = (my_src_ptr) cinfo->src; - size_t nbytes; - - nbytes = JFREAD(src->infile, src->buffer, INPUT_BUF_SIZE); - - if (nbytes <= 0) { - if (src->start_of_file) /* Treat empty input file as fatal error */ - ERREXIT(cinfo, JERR_INPUT_EMPTY); - WARNMS(cinfo, JWRN_JPEG_EOF); - /* Insert a fake EOI marker */ - src->buffer[0] = (JOCTET) 0xFF; - src->buffer[1] = (JOCTET) JPEG_EOI; - nbytes = 2; - } - - src->pub.next_input_byte = src->buffer; - src->pub.bytes_in_buffer = nbytes; - src->start_of_file = FALSE; - - return TRUE; -} - - -/* - * Skip data --- used to skip over a potentially large amount of - * uninteresting data (such as an APPn marker). - * - * Writers of suspendable-input applications must note that skip_input_data - * is not granted the right to give a suspension return. If the skip extends - * beyond the data currently in the buffer, the buffer can be marked empty so - * that the next read will cause a fill_input_buffer call that can suspend. - * Arranging for additional bytes to be discarded before reloading the input - * buffer is the application writer's problem. - */ - -METHODDEF(void) -skip_input_data (j_decompress_ptr cinfo, long num_bytes) -{ - my_src_ptr src = (my_src_ptr) cinfo->src; - - /* Just a dumb implementation for now. Could use fseek() except - * it doesn't work on pipes. Not clear that being smart is worth - * any trouble anyway --- large skips are infrequent. - */ - if (num_bytes > 0) { - while (num_bytes > (long) src->pub.bytes_in_buffer) { - num_bytes -= (long) src->pub.bytes_in_buffer; - (void) fill_input_buffer(cinfo); - /* note we assume that fill_input_buffer will never return FALSE, - * so suspension need not be handled. - */ - } - src->pub.next_input_byte += (size_t) num_bytes; - src->pub.bytes_in_buffer -= (size_t) num_bytes; - } -} - - -/* - * An additional method that can be provided by data source modules is the - * resync_to_restart method for error recovery in the presence of RST markers. - * For the moment, this source module just uses the default resync method - * provided by the JPEG library. That method assumes that no backtracking - * is possible. - */ - - -/* - * Terminate source --- called by jpeg_finish_decompress - * after all data has been read. Often a no-op. - * - * NB: *not* called by jpeg_abort or jpeg_destroy; surrounding - * application must deal with any cleanup that should happen even - * for error exit. - */ - -METHODDEF(void) -term_source (j_decompress_ptr cinfo) -{ - /* no work necessary here */ -} - - -/* - * Prepare for input from a stdio stream. - * The caller must have already opened the stream, and is responsible - * for closing it after finishing decompression. - */ - -GLOBAL(void) -jpeg_stdio_src (j_decompress_ptr cinfo, FILE * infile) -{ - my_src_ptr src; - - /* The source object and input buffer are made permanent so that a series - * of JPEG images can be read from the same file by calling jpeg_stdio_src - * only before the first one. (If we discarded the buffer at the end of - * one image, we'd likely lose the start of the next one.) - * This makes it unsafe to use this manager and a different source - * manager serially with the same JPEG object. Caveat programmer. - */ - if (cinfo->src == NULL) { /* first time for this JPEG object? */ - cinfo->src = (struct jpeg_source_mgr *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT, - SIZEOF(my_source_mgr)); - src = (my_src_ptr) cinfo->src; - src->buffer = (JOCTET *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT, - INPUT_BUF_SIZE * SIZEOF(JOCTET)); - } - - src = (my_src_ptr) cinfo->src; - src->pub.init_source = init_source; - src->pub.fill_input_buffer = fill_input_buffer; - src->pub.skip_input_data = skip_input_data; - src->pub.resync_to_restart = jpeg_resync_to_restart; /* use default method */ - src->pub.term_source = term_source; - src->infile = infile; - src->pub.bytes_in_buffer = 0; /* forces fill_input_buffer on first read */ - src->pub.next_input_byte = NULL; /* until buffer loaded */ -} diff --git a/common/jpeg/jdcoefct.c b/common/jpeg/jdcoefct.c deleted file mode 100644 index f56af5fc..00000000 --- a/common/jpeg/jdcoefct.c +++ /dev/null @@ -1,747 +0,0 @@ -/* - * jdcoefct.c - * - * Copyright (C) 1994-1997, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains the coefficient buffer controller for decompression. - * This controller is the top level of the JPEG decompressor proper. - * The coefficient buffer lies between entropy decoding and inverse-DCT steps. - * - * In buffered-image mode, this controller is the interface between - * input-oriented processing and output-oriented processing. - * Also, the input side (only) is used when reading a file for transcoding. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" - -/* Block smoothing is only applicable for progressive JPEG, so: */ -#ifndef D_PROGRESSIVE_SUPPORTED -#undef BLOCK_SMOOTHING_SUPPORTED -#endif - -/* Private buffer controller object */ - -typedef struct { - struct jpeg_d_coef_controller pub; /* public fields */ - - /* These variables keep track of the current location of the input side. */ - /* cinfo->input_iMCU_row is also used for this. */ - JDIMENSION MCU_ctr; /* counts MCUs processed in current row */ - int MCU_vert_offset; /* counts MCU rows within iMCU row */ - int MCU_rows_per_iMCU_row; /* number of such rows needed */ - - /* The output side's location is represented by cinfo->output_iMCU_row. */ - - /* In single-pass modes, it's sufficient to buffer just one MCU. - * We allocate a workspace of D_MAX_BLOCKS_IN_MCU coefficient blocks, - * and let the entropy decoder write into that workspace each time. - * (On 80x86, the workspace is FAR even though it's not really very big; - * this is to keep the module interfaces unchanged when a large coefficient - * buffer is necessary.) - * In multi-pass modes, this array points to the current MCU's blocks - * within the virtual arrays; it is used only by the input side. - */ - JBLOCKROW MCU_buffer[D_MAX_BLOCKS_IN_MCU]; - - /* Temporary workspace for one MCU */ - JCOEF * workspace; - -#ifdef D_MULTISCAN_FILES_SUPPORTED - /* In multi-pass modes, we need a virtual block array for each component. */ - jvirt_barray_ptr whole_image[MAX_COMPONENTS]; -#endif - -#ifdef BLOCK_SMOOTHING_SUPPORTED - /* When doing block smoothing, we latch coefficient Al values here */ - int * coef_bits_latch; -#define SAVED_COEFS 6 /* we save coef_bits[0..5] */ -#endif -} my_coef_controller; - -typedef my_coef_controller * my_coef_ptr; - -/* Forward declarations */ -METHODDEF(int) decompress_onepass - JPP((j_decompress_ptr cinfo, JSAMPIMAGE output_buf)); -#ifdef D_MULTISCAN_FILES_SUPPORTED -METHODDEF(int) decompress_data - JPP((j_decompress_ptr cinfo, JSAMPIMAGE output_buf)); -#endif -#ifdef BLOCK_SMOOTHING_SUPPORTED -LOCAL(boolean) smoothing_ok JPP((j_decompress_ptr cinfo)); -METHODDEF(int) decompress_smooth_data - JPP((j_decompress_ptr cinfo, JSAMPIMAGE output_buf)); -#endif - - -LOCAL(void) -start_iMCU_row (j_decompress_ptr cinfo) -/* Reset within-iMCU-row counters for a new row (input side) */ -{ - my_coef_ptr coef = (my_coef_ptr) cinfo->coef; - - /* In an interleaved scan, an MCU row is the same as an iMCU row. - * In a noninterleaved scan, an iMCU row has v_samp_factor MCU rows. - * But at the bottom of the image, process only what's left. - */ - if (cinfo->comps_in_scan > 1) { - coef->MCU_rows_per_iMCU_row = 1; - } else { - if (cinfo->input_iMCU_row < (cinfo->total_iMCU_rows-1)) - coef->MCU_rows_per_iMCU_row = cinfo->cur_comp_info[0]->v_samp_factor; - else - coef->MCU_rows_per_iMCU_row = cinfo->cur_comp_info[0]->last_row_height; - } - - coef->MCU_ctr = 0; - coef->MCU_vert_offset = 0; -} - - -/* - * Initialize for an input processing pass. - */ - -METHODDEF(void) -start_input_pass (j_decompress_ptr cinfo) -{ - cinfo->input_iMCU_row = 0; - start_iMCU_row(cinfo); -} - - -/* - * Initialize for an output processing pass. - */ - -METHODDEF(void) -start_output_pass (j_decompress_ptr cinfo) -{ -#ifdef BLOCK_SMOOTHING_SUPPORTED - my_coef_ptr coef = (my_coef_ptr) cinfo->coef; - - /* If multipass, check to see whether to use block smoothing on this pass */ - if (coef->pub.coef_arrays != NULL) { - if (cinfo->do_block_smoothing && smoothing_ok(cinfo)) - coef->pub.decompress_data = decompress_smooth_data; - else - coef->pub.decompress_data = decompress_data; - } -#endif - cinfo->output_iMCU_row = 0; -} - - -/* - * Decompress and return some data in the single-pass case. - * Always attempts to emit one fully interleaved MCU row ("iMCU" row). - * Input and output must run in lockstep since we have only a one-MCU buffer. - * Return value is JPEG_ROW_COMPLETED, JPEG_SCAN_COMPLETED, or JPEG_SUSPENDED. - * - * NB: output_buf contains a plane for each component in image, - * which we index according to the component's SOF position. - */ - -METHODDEF(int) -decompress_onepass (j_decompress_ptr cinfo, JSAMPIMAGE output_buf) -{ - my_coef_ptr coef = (my_coef_ptr) cinfo->coef; - JDIMENSION MCU_col_num; /* index of current MCU within row */ - JDIMENSION last_MCU_col = cinfo->MCUs_per_row - 1; - JDIMENSION last_iMCU_row = cinfo->total_iMCU_rows - 1; - int blkn, ci, xindex, yindex, yoffset, useful_width; - JSAMPARRAY output_ptr; - JDIMENSION start_col, output_col; - jpeg_component_info *compptr; - inverse_DCT_method_ptr inverse_DCT; - - /* Loop to process as much as one whole iMCU row */ - for (yoffset = coef->MCU_vert_offset; yoffset < coef->MCU_rows_per_iMCU_row; - yoffset++) { - for (MCU_col_num = coef->MCU_ctr; MCU_col_num <= last_MCU_col; - MCU_col_num++) { - /* Try to fetch an MCU. Entropy decoder expects buffer to be zeroed. */ - jzero_far((void FAR *) coef->MCU_buffer[0], - (size_t) (cinfo->blocks_in_MCU * SIZEOF(JBLOCK))); - if (! (*cinfo->entropy->decode_mcu) (cinfo, coef->MCU_buffer)) { - /* Suspension forced; update state counters and exit */ - coef->MCU_vert_offset = yoffset; - coef->MCU_ctr = MCU_col_num; - return JPEG_SUSPENDED; - } - /* Determine where data should go in output_buf and do the IDCT thing. - * We skip dummy blocks at the right and bottom edges (but blkn gets - * incremented past them!). Note the inner loop relies on having - * allocated the MCU_buffer[] blocks sequentially. - */ - blkn = 0; /* index of current DCT block within MCU */ - for (ci = 0; ci < cinfo->comps_in_scan; ci++) { - compptr = cinfo->cur_comp_info[ci]; - /* Don't bother to IDCT an uninteresting component. */ - if (! compptr->component_needed) { - blkn += compptr->MCU_blocks; - continue; - } - inverse_DCT = cinfo->idct->inverse_DCT[compptr->component_index]; - useful_width = (MCU_col_num < last_MCU_col) ? compptr->MCU_width - : compptr->last_col_width; - output_ptr = output_buf[compptr->component_index] + - yoffset * compptr->DCT_scaled_size; - start_col = MCU_col_num * compptr->MCU_sample_width; - for (yindex = 0; yindex < compptr->MCU_height; yindex++) { - if (cinfo->input_iMCU_row < last_iMCU_row || - yoffset+yindex < compptr->last_row_height) { - output_col = start_col; - for (xindex = 0; xindex < useful_width; xindex++) { - (*inverse_DCT) (cinfo, compptr, - (JCOEFPTR) coef->MCU_buffer[blkn+xindex], - output_ptr, output_col); - output_col += compptr->DCT_scaled_size; - } - } - blkn += compptr->MCU_width; - output_ptr += compptr->DCT_scaled_size; - } - } - } - /* Completed an MCU row, but perhaps not an iMCU row */ - coef->MCU_ctr = 0; - } - /* Completed the iMCU row, advance counters for next one */ - cinfo->output_iMCU_row++; - if (++(cinfo->input_iMCU_row) < cinfo->total_iMCU_rows) { - start_iMCU_row(cinfo); - return JPEG_ROW_COMPLETED; - } - /* Completed the scan */ - (*cinfo->inputctl->finish_input_pass) (cinfo); - return JPEG_SCAN_COMPLETED; -} - - -/* - * Dummy consume-input routine for single-pass operation. - */ - -METHODDEF(int) -dummy_consume_data (j_decompress_ptr cinfo) -{ - return JPEG_SUSPENDED; /* Always indicate nothing was done */ -} - - -#ifdef D_MULTISCAN_FILES_SUPPORTED - -/* - * Consume input data and store it in the full-image coefficient buffer. - * We read as much as one fully interleaved MCU row ("iMCU" row) per call, - * ie, v_samp_factor block rows for each component in the scan. - * Return value is JPEG_ROW_COMPLETED, JPEG_SCAN_COMPLETED, or JPEG_SUSPENDED. - */ - -METHODDEF(int) -consume_data (j_decompress_ptr cinfo) -{ - my_coef_ptr coef = (my_coef_ptr) cinfo->coef; - JDIMENSION MCU_col_num; /* index of current MCU within row */ - int blkn, ci, xindex, yindex, yoffset; - JDIMENSION start_col; - JBLOCKARRAY buffer[MAX_COMPS_IN_SCAN]; - JBLOCKROW buffer_ptr; - jpeg_component_info *compptr; - - /* Align the virtual buffers for the components used in this scan. */ - for (ci = 0; ci < cinfo->comps_in_scan; ci++) { - compptr = cinfo->cur_comp_info[ci]; - buffer[ci] = (*cinfo->mem->access_virt_barray) - ((j_common_ptr) cinfo, coef->whole_image[compptr->component_index], - cinfo->input_iMCU_row * compptr->v_samp_factor, - (JDIMENSION) compptr->v_samp_factor, TRUE); - /* Note: entropy decoder expects buffer to be zeroed, - * but this is handled automatically by the memory manager - * because we requested a pre-zeroed array. - */ - } - - /* Loop to process one whole iMCU row */ - for (yoffset = coef->MCU_vert_offset; yoffset < coef->MCU_rows_per_iMCU_row; - yoffset++) { - for (MCU_col_num = coef->MCU_ctr; MCU_col_num < cinfo->MCUs_per_row; - MCU_col_num++) { - /* Construct list of pointers to DCT blocks belonging to this MCU */ - blkn = 0; /* index of current DCT block within MCU */ - for (ci = 0; ci < cinfo->comps_in_scan; ci++) { - compptr = cinfo->cur_comp_info[ci]; - start_col = MCU_col_num * compptr->MCU_width; - for (yindex = 0; yindex < compptr->MCU_height; yindex++) { - buffer_ptr = buffer[ci][yindex+yoffset] + start_col; - for (xindex = 0; xindex < compptr->MCU_width; xindex++) { - coef->MCU_buffer[blkn++] = buffer_ptr++; - } - } - } - /* Try to fetch the MCU. */ - if (! (*cinfo->entropy->decode_mcu) (cinfo, coef->MCU_buffer)) { - /* Suspension forced; update state counters and exit */ - coef->MCU_vert_offset = yoffset; - coef->MCU_ctr = MCU_col_num; - return JPEG_SUSPENDED; - } - } - /* Completed an MCU row, but perhaps not an iMCU row */ - coef->MCU_ctr = 0; - } - /* Completed the iMCU row, advance counters for next one */ - if (++(cinfo->input_iMCU_row) < cinfo->total_iMCU_rows) { - start_iMCU_row(cinfo); - return JPEG_ROW_COMPLETED; - } - /* Completed the scan */ - (*cinfo->inputctl->finish_input_pass) (cinfo); - return JPEG_SCAN_COMPLETED; -} - - -/* - * Decompress and return some data in the multi-pass case. - * Always attempts to emit one fully interleaved MCU row ("iMCU" row). - * Return value is JPEG_ROW_COMPLETED, JPEG_SCAN_COMPLETED, or JPEG_SUSPENDED. - * - * NB: output_buf contains a plane for each component in image. - */ - -METHODDEF(int) -decompress_data (j_decompress_ptr cinfo, JSAMPIMAGE output_buf) -{ - my_coef_ptr coef = (my_coef_ptr) cinfo->coef; - JDIMENSION last_iMCU_row = cinfo->total_iMCU_rows - 1; - JDIMENSION block_num; - int ci, block_row, block_rows; - JBLOCKARRAY buffer; - JBLOCKROW buffer_ptr; - JSAMPARRAY output_ptr; - JDIMENSION output_col; - jpeg_component_info *compptr; - inverse_DCT_method_ptr inverse_DCT; - - /* Force some input to be done if we are getting ahead of the input. */ - while (cinfo->input_scan_number < cinfo->output_scan_number || - (cinfo->input_scan_number == cinfo->output_scan_number && - cinfo->input_iMCU_row <= cinfo->output_iMCU_row)) { - if ((*cinfo->inputctl->consume_input)(cinfo) == JPEG_SUSPENDED) - return JPEG_SUSPENDED; - } - - /* OK, output from the virtual arrays. */ - for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; - ci++, compptr++) { - /* Don't bother to IDCT an uninteresting component. */ - if (! compptr->component_needed) - continue; - /* Align the virtual buffer for this component. */ - buffer = (*cinfo->mem->access_virt_barray) - ((j_common_ptr) cinfo, coef->whole_image[ci], - cinfo->output_iMCU_row * compptr->v_samp_factor, - (JDIMENSION) compptr->v_samp_factor, FALSE); - /* Count non-dummy DCT block rows in this iMCU row. */ - if (cinfo->output_iMCU_row < last_iMCU_row) - block_rows = compptr->v_samp_factor; - else { - /* NB: can't use last_row_height here; it is input-side-dependent! */ - block_rows = (int) (compptr->height_in_blocks % compptr->v_samp_factor); - if (block_rows == 0) block_rows = compptr->v_samp_factor; - } - inverse_DCT = cinfo->idct->inverse_DCT[ci]; - output_ptr = output_buf[ci]; - /* Loop over all DCT blocks to be processed. */ - for (block_row = 0; block_row < block_rows; block_row++) { - buffer_ptr = buffer[block_row]; - output_col = 0; - for (block_num = 0; block_num < compptr->width_in_blocks; block_num++) { - (*inverse_DCT) (cinfo, compptr, (JCOEFPTR) buffer_ptr, - output_ptr, output_col); - buffer_ptr++; - output_col += compptr->DCT_scaled_size; - } - output_ptr += compptr->DCT_scaled_size; - } - } - - if (++(cinfo->output_iMCU_row) < cinfo->total_iMCU_rows) - return JPEG_ROW_COMPLETED; - return JPEG_SCAN_COMPLETED; -} - -#endif /* D_MULTISCAN_FILES_SUPPORTED */ - - -#ifdef BLOCK_SMOOTHING_SUPPORTED - -/* - * This code applies interblock smoothing as described by section K.8 - * of the JPEG standard: the first 5 AC coefficients are estimated from - * the DC values of a DCT block and its 8 neighboring blocks. - * We apply smoothing only for progressive JPEG decoding, and only if - * the coefficients it can estimate are not yet known to full precision. - */ - -/* Natural-order array positions of the first 5 zigzag-order coefficients */ -#define Q01_POS 1 -#define Q10_POS 8 -#define Q20_POS 16 -#define Q11_POS 9 -#define Q02_POS 2 - -/* - * Determine whether block smoothing is applicable and safe. - * We also latch the current states of the coef_bits[] entries for the - * AC coefficients; otherwise, if the input side of the decompressor - * advances into a new scan, we might think the coefficients are known - * more accurately than they really are. - */ - -LOCAL(boolean) -smoothing_ok (j_decompress_ptr cinfo) -{ - my_coef_ptr coef = (my_coef_ptr) cinfo->coef; - boolean smoothing_useful = FALSE; - int ci, coefi; - jpeg_component_info *compptr; - JQUANT_TBL * qtable; - int * coef_bits; - int * coef_bits_latch; - - if (! cinfo->progressive_mode || cinfo->coef_bits == NULL) - return FALSE; - - /* Allocate latch area if not already done */ - if (coef->coef_bits_latch == NULL) - coef->coef_bits_latch = (int *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - cinfo->num_components * - (SAVED_COEFS * SIZEOF(int))); - coef_bits_latch = coef->coef_bits_latch; - - for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; - ci++, compptr++) { - /* All components' quantization values must already be latched. */ - if ((qtable = compptr->quant_table) == NULL) - return FALSE; - /* Verify DC & first 5 AC quantizers are nonzero to avoid zero-divide. */ - if (qtable->quantval[0] == 0 || - qtable->quantval[Q01_POS] == 0 || - qtable->quantval[Q10_POS] == 0 || - qtable->quantval[Q20_POS] == 0 || - qtable->quantval[Q11_POS] == 0 || - qtable->quantval[Q02_POS] == 0) - return FALSE; - /* DC values must be at least partly known for all components. */ - coef_bits = cinfo->coef_bits[ci]; - if (coef_bits[0] < 0) - return FALSE; - /* Block smoothing is helpful if some AC coefficients remain inaccurate. */ - for (coefi = 1; coefi <= 5; coefi++) { - coef_bits_latch[coefi] = coef_bits[coefi]; - if (coef_bits[coefi] != 0) - smoothing_useful = TRUE; - } - coef_bits_latch += SAVED_COEFS; - } - - return smoothing_useful; -} - - -/* - * Variant of decompress_data for use when doing block smoothing. - */ - -METHODDEF(int) -decompress_smooth_data (j_decompress_ptr cinfo, JSAMPIMAGE output_buf) -{ - my_coef_ptr coef = (my_coef_ptr) cinfo->coef; - JDIMENSION last_iMCU_row = cinfo->total_iMCU_rows - 1; - JDIMENSION block_num, last_block_column; - int ci, block_row, block_rows, access_rows; - JBLOCKARRAY buffer; - JBLOCKROW buffer_ptr, prev_block_row, next_block_row; - JSAMPARRAY output_ptr; - JDIMENSION output_col; - jpeg_component_info *compptr; - inverse_DCT_method_ptr inverse_DCT; - boolean first_row, last_row; - JCOEF * workspace; - int *coef_bits; - JQUANT_TBL *quanttbl; - INT32 Q00,Q01,Q02,Q10,Q11,Q20, num; - int DC1,DC2,DC3,DC4,DC5,DC6,DC7,DC8,DC9; - int Al, pred; - - /* Keep a local variable to avoid looking it up more than once */ - workspace = coef->workspace; - - /* Force some input to be done if we are getting ahead of the input. */ - while (cinfo->input_scan_number <= cinfo->output_scan_number && - ! cinfo->inputctl->eoi_reached) { - if (cinfo->input_scan_number == cinfo->output_scan_number) { - /* If input is working on current scan, we ordinarily want it to - * have completed the current row. But if input scan is DC, - * we want it to keep one row ahead so that next block row's DC - * values are up to date. - */ - JDIMENSION delta = (cinfo->Ss == 0) ? 1 : 0; - if (cinfo->input_iMCU_row > cinfo->output_iMCU_row+delta) - break; - } - if ((*cinfo->inputctl->consume_input)(cinfo) == JPEG_SUSPENDED) - return JPEG_SUSPENDED; - } - - /* OK, output from the virtual arrays. */ - for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; - ci++, compptr++) { - /* Don't bother to IDCT an uninteresting component. */ - if (! compptr->component_needed) - continue; - /* Count non-dummy DCT block rows in this iMCU row. */ - if (cinfo->output_iMCU_row < last_iMCU_row) { - block_rows = compptr->v_samp_factor; - access_rows = block_rows * 2; /* this and next iMCU row */ - last_row = FALSE; - } else { - /* NB: can't use last_row_height here; it is input-side-dependent! */ - block_rows = (int) (compptr->height_in_blocks % compptr->v_samp_factor); - if (block_rows == 0) block_rows = compptr->v_samp_factor; - access_rows = block_rows; /* this iMCU row only */ - last_row = TRUE; - } - /* Align the virtual buffer for this component. */ - if (cinfo->output_iMCU_row > 0) { - access_rows += compptr->v_samp_factor; /* prior iMCU row too */ - buffer = (*cinfo->mem->access_virt_barray) - ((j_common_ptr) cinfo, coef->whole_image[ci], - (cinfo->output_iMCU_row - 1) * compptr->v_samp_factor, - (JDIMENSION) access_rows, FALSE); - buffer += compptr->v_samp_factor; /* point to current iMCU row */ - first_row = FALSE; - } else { - buffer = (*cinfo->mem->access_virt_barray) - ((j_common_ptr) cinfo, coef->whole_image[ci], - (JDIMENSION) 0, (JDIMENSION) access_rows, FALSE); - first_row = TRUE; - } - /* Fetch component-dependent info */ - coef_bits = coef->coef_bits_latch + (ci * SAVED_COEFS); - quanttbl = compptr->quant_table; - Q00 = quanttbl->quantval[0]; - Q01 = quanttbl->quantval[Q01_POS]; - Q10 = quanttbl->quantval[Q10_POS]; - Q20 = quanttbl->quantval[Q20_POS]; - Q11 = quanttbl->quantval[Q11_POS]; - Q02 = quanttbl->quantval[Q02_POS]; - inverse_DCT = cinfo->idct->inverse_DCT[ci]; - output_ptr = output_buf[ci]; - /* Loop over all DCT blocks to be processed. */ - for (block_row = 0; block_row < block_rows; block_row++) { - buffer_ptr = buffer[block_row]; - if (first_row && block_row == 0) - prev_block_row = buffer_ptr; - else - prev_block_row = buffer[block_row-1]; - if (last_row && block_row == block_rows-1) - next_block_row = buffer_ptr; - else - next_block_row = buffer[block_row+1]; - /* We fetch the surrounding DC values using a sliding-register approach. - * Initialize all nine here so as to do the right thing on narrow pics. - */ - DC1 = DC2 = DC3 = (int) prev_block_row[0][0]; - DC4 = DC5 = DC6 = (int) buffer_ptr[0][0]; - DC7 = DC8 = DC9 = (int) next_block_row[0][0]; - output_col = 0; - last_block_column = compptr->width_in_blocks - 1; - for (block_num = 0; block_num <= last_block_column; block_num++) { - /* Fetch current DCT block into workspace so we can modify it. */ - jcopy_block_row(buffer_ptr, (JBLOCKROW) workspace, (JDIMENSION) 1); - /* Update DC values */ - if (block_num < last_block_column) { - DC3 = (int) prev_block_row[1][0]; - DC6 = (int) buffer_ptr[1][0]; - DC9 = (int) next_block_row[1][0]; - } - /* Compute coefficient estimates per K.8. - * An estimate is applied only if coefficient is still zero, - * and is not known to be fully accurate. - */ - /* AC01 */ - if ((Al=coef_bits[1]) != 0 && workspace[1] == 0) { - num = 36 * Q00 * (DC4 - DC6); - if (num >= 0) { - pred = (int) (((Q01<<7) + num) / (Q01<<8)); - if (Al > 0 && pred >= (1<<Al)) - pred = (1<<Al)-1; - } else { - pred = (int) (((Q01<<7) - num) / (Q01<<8)); - if (Al > 0 && pred >= (1<<Al)) - pred = (1<<Al)-1; - pred = -pred; - } - workspace[1] = (JCOEF) pred; - } - /* AC10 */ - if ((Al=coef_bits[2]) != 0 && workspace[8] == 0) { - num = 36 * Q00 * (DC2 - DC8); - if (num >= 0) { - pred = (int) (((Q10<<7) + num) / (Q10<<8)); - if (Al > 0 && pred >= (1<<Al)) - pred = (1<<Al)-1; - } else { - pred = (int) (((Q10<<7) - num) / (Q10<<8)); - if (Al > 0 && pred >= (1<<Al)) - pred = (1<<Al)-1; - pred = -pred; - } - workspace[8] = (JCOEF) pred; - } - /* AC20 */ - if ((Al=coef_bits[3]) != 0 && workspace[16] == 0) { - num = 9 * Q00 * (DC2 + DC8 - 2*DC5); - if (num >= 0) { - pred = (int) (((Q20<<7) + num) / (Q20<<8)); - if (Al > 0 && pred >= (1<<Al)) - pred = (1<<Al)-1; - } else { - pred = (int) (((Q20<<7) - num) / (Q20<<8)); - if (Al > 0 && pred >= (1<<Al)) - pred = (1<<Al)-1; - pred = -pred; - } - workspace[16] = (JCOEF) pred; - } - /* AC11 */ - if ((Al=coef_bits[4]) != 0 && workspace[9] == 0) { - num = 5 * Q00 * (DC1 - DC3 - DC7 + DC9); - if (num >= 0) { - pred = (int) (((Q11<<7) + num) / (Q11<<8)); - if (Al > 0 && pred >= (1<<Al)) - pred = (1<<Al)-1; - } else { - pred = (int) (((Q11<<7) - num) / (Q11<<8)); - if (Al > 0 && pred >= (1<<Al)) - pred = (1<<Al)-1; - pred = -pred; - } - workspace[9] = (JCOEF) pred; - } - /* AC02 */ - if ((Al=coef_bits[5]) != 0 && workspace[2] == 0) { - num = 9 * Q00 * (DC4 + DC6 - 2*DC5); - if (num >= 0) { - pred = (int) (((Q02<<7) + num) / (Q02<<8)); - if (Al > 0 && pred >= (1<<Al)) - pred = (1<<Al)-1; - } else { - pred = (int) (((Q02<<7) - num) / (Q02<<8)); - if (Al > 0 && pred >= (1<<Al)) - pred = (1<<Al)-1; - pred = -pred; - } - workspace[2] = (JCOEF) pred; - } - /* OK, do the IDCT */ - (*inverse_DCT) (cinfo, compptr, (JCOEFPTR) workspace, - output_ptr, output_col); - /* Advance for next column */ - DC1 = DC2; DC2 = DC3; - DC4 = DC5; DC5 = DC6; - DC7 = DC8; DC8 = DC9; - buffer_ptr++, prev_block_row++, next_block_row++; - output_col += compptr->DCT_scaled_size; - } - output_ptr += compptr->DCT_scaled_size; - } - } - - if (++(cinfo->output_iMCU_row) < cinfo->total_iMCU_rows) - return JPEG_ROW_COMPLETED; - return JPEG_SCAN_COMPLETED; -} - -#endif /* BLOCK_SMOOTHING_SUPPORTED */ - - -/* - * Initialize coefficient buffer controller. - */ - -GLOBAL(void) -jinit_d_coef_controller (j_decompress_ptr cinfo, boolean need_full_buffer) -{ - my_coef_ptr coef; - - coef = (my_coef_ptr) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(my_coef_controller)); - cinfo->coef = (struct jpeg_d_coef_controller *) coef; - coef->pub.start_input_pass = start_input_pass; - coef->pub.start_output_pass = start_output_pass; -#ifdef BLOCK_SMOOTHING_SUPPORTED - coef->coef_bits_latch = NULL; -#endif - - /* Create the coefficient buffer. */ - if (need_full_buffer) { -#ifdef D_MULTISCAN_FILES_SUPPORTED - /* Allocate a full-image virtual array for each component, */ - /* padded to a multiple of samp_factor DCT blocks in each direction. */ - /* Note we ask for a pre-zeroed array. */ - int ci, access_rows; - jpeg_component_info *compptr; - - for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; - ci++, compptr++) { - access_rows = compptr->v_samp_factor; -#ifdef BLOCK_SMOOTHING_SUPPORTED - /* If block smoothing could be used, need a bigger window */ - if (cinfo->progressive_mode) - access_rows *= 3; -#endif - coef->whole_image[ci] = (*cinfo->mem->request_virt_barray) - ((j_common_ptr) cinfo, JPOOL_IMAGE, TRUE, - (JDIMENSION) jround_up((long) compptr->width_in_blocks, - (long) compptr->h_samp_factor), - (JDIMENSION) jround_up((long) compptr->height_in_blocks, - (long) compptr->v_samp_factor), - (JDIMENSION) access_rows); - } - coef->pub.consume_data = consume_data; - coef->pub.decompress_data = decompress_data; - coef->pub.coef_arrays = coef->whole_image; /* link to virtual arrays */ -#else - ERREXIT(cinfo, JERR_NOT_COMPILED); -#endif - } else { - /* We only need a single-MCU buffer. */ - JBLOCKROW buffer; - int i; - - buffer = (JBLOCKROW) - (*cinfo->mem->alloc_large) ((j_common_ptr) cinfo, JPOOL_IMAGE, - D_MAX_BLOCKS_IN_MCU * SIZEOF(JBLOCK)); - for (i = 0; i < D_MAX_BLOCKS_IN_MCU; i++) { - coef->MCU_buffer[i] = buffer + i; - } - coef->pub.consume_data = dummy_consume_data; - coef->pub.decompress_data = decompress_onepass; - coef->pub.coef_arrays = NULL; /* flag for no virtual arrays */ - } - - /* Allocate the workspace buffer */ - coef->workspace = (JCOEF *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(JCOEF) * DCTSIZE2); -} diff --git a/common/jpeg/jdcolor.c b/common/jpeg/jdcolor.c deleted file mode 100644 index e02ea4f9..00000000 --- a/common/jpeg/jdcolor.c +++ /dev/null @@ -1,415 +0,0 @@ -/* - * jdcolor.c - * - * Copyright (C) 1991-1997, Thomas G. Lane. - * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB - * Copyright (C) 2009, D. R. Commander. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains output colorspace conversion routines. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" -#include "jsimd.h" - - -/* Private subobject */ - -typedef struct { - struct jpeg_color_deconverter pub; /* public fields */ - - /* Private state for YCC->RGB conversion */ - int * Cr_r_tab; /* => table for Cr to R conversion */ - int * Cb_b_tab; /* => table for Cb to B conversion */ - INT32 * Cr_g_tab; /* => table for Cr to G conversion */ - INT32 * Cb_g_tab; /* => table for Cb to G conversion */ -} my_color_deconverter; - -typedef my_color_deconverter * my_cconvert_ptr; - - -/**************** YCbCr -> RGB conversion: most common case **************/ - -/* - * YCbCr is defined per CCIR 601-1, except that Cb and Cr are - * normalized to the range 0..MAXJSAMPLE rather than -0.5 .. 0.5. - * The conversion equations to be implemented are therefore - * R = Y + 1.40200 * Cr - * G = Y - 0.34414 * Cb - 0.71414 * Cr - * B = Y + 1.77200 * Cb - * where Cb and Cr represent the incoming values less CENTERJSAMPLE. - * (These numbers are derived from TIFF 6.0 section 21, dated 3-June-92.) - * - * To avoid floating-point arithmetic, we represent the fractional constants - * as integers scaled up by 2^16 (about 4 digits precision); we have to divide - * the products by 2^16, with appropriate rounding, to get the correct answer. - * Notice that Y, being an integral input, does not contribute any fraction - * so it need not participate in the rounding. - * - * For even more speed, we avoid doing any multiplications in the inner loop - * by precalculating the constants times Cb and Cr for all possible values. - * For 8-bit JSAMPLEs this is very reasonable (only 256 entries per table); - * for 12-bit samples it is still acceptable. It's not very reasonable for - * 16-bit samples, but if you want lossless storage you shouldn't be changing - * colorspace anyway. - * The Cr=>R and Cb=>B values can be rounded to integers in advance; the - * values for the G calculation are left scaled up, since we must add them - * together before rounding. - */ - -#define SCALEBITS 16 /* speediest right-shift on some machines */ -#define ONE_HALF ((INT32) 1 << (SCALEBITS-1)) -#define FIX(x) ((INT32) ((x) * (1L<<SCALEBITS) + 0.5)) - - -/* - * Initialize tables for YCC->RGB colorspace conversion. - */ - -LOCAL(void) -build_ycc_rgb_table (j_decompress_ptr cinfo) -{ - my_cconvert_ptr cconvert = (my_cconvert_ptr) cinfo->cconvert; - int i; - INT32 x; - SHIFT_TEMPS - - cconvert->Cr_r_tab = (int *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - (MAXJSAMPLE+1) * SIZEOF(int)); - cconvert->Cb_b_tab = (int *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - (MAXJSAMPLE+1) * SIZEOF(int)); - cconvert->Cr_g_tab = (INT32 *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - (MAXJSAMPLE+1) * SIZEOF(INT32)); - cconvert->Cb_g_tab = (INT32 *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - (MAXJSAMPLE+1) * SIZEOF(INT32)); - - for (i = 0, x = -CENTERJSAMPLE; i <= MAXJSAMPLE; i++, x++) { - /* i is the actual input pixel value, in the range 0..MAXJSAMPLE */ - /* The Cb or Cr value we are thinking of is x = i - CENTERJSAMPLE */ - /* Cr=>R value is nearest int to 1.40200 * x */ - cconvert->Cr_r_tab[i] = (int) - RIGHT_SHIFT(FIX(1.40200) * x + ONE_HALF, SCALEBITS); - /* Cb=>B value is nearest int to 1.77200 * x */ - cconvert->Cb_b_tab[i] = (int) - RIGHT_SHIFT(FIX(1.77200) * x + ONE_HALF, SCALEBITS); - /* Cr=>G value is scaled-up -0.71414 * x */ - cconvert->Cr_g_tab[i] = (- FIX(0.71414)) * x; - /* Cb=>G value is scaled-up -0.34414 * x */ - /* We also add in ONE_HALF so that need not do it in inner loop */ - cconvert->Cb_g_tab[i] = (- FIX(0.34414)) * x + ONE_HALF; - } -} - - -/* - * Convert some rows of samples to the output colorspace. - * - * Note that we change from noninterleaved, one-plane-per-component format - * to interleaved-pixel format. The output buffer is therefore three times - * as wide as the input buffer. - * A starting row offset is provided only for the input buffer. The caller - * can easily adjust the passed output_buf value to accommodate any row - * offset required on that side. - */ - -METHODDEF(void) -ycc_rgb_convert (j_decompress_ptr cinfo, - JSAMPIMAGE input_buf, JDIMENSION input_row, - JSAMPARRAY output_buf, int num_rows) -{ - my_cconvert_ptr cconvert = (my_cconvert_ptr) cinfo->cconvert; - register int y, cb, cr; - register JSAMPROW outptr; - register JSAMPROW inptr0, inptr1, inptr2; - register JDIMENSION col; - JDIMENSION num_cols = cinfo->output_width; - /* copy these pointers into registers if possible */ - register JSAMPLE * range_limit = cinfo->sample_range_limit; - register int * Crrtab = cconvert->Cr_r_tab; - register int * Cbbtab = cconvert->Cb_b_tab; - register INT32 * Crgtab = cconvert->Cr_g_tab; - register INT32 * Cbgtab = cconvert->Cb_g_tab; - SHIFT_TEMPS - - while (--num_rows >= 0) { - inptr0 = input_buf[0][input_row]; - inptr1 = input_buf[1][input_row]; - inptr2 = input_buf[2][input_row]; - input_row++; - outptr = *output_buf++; - for (col = 0; col < num_cols; col++) { - y = GETJSAMPLE(inptr0[col]); - cb = GETJSAMPLE(inptr1[col]); - cr = GETJSAMPLE(inptr2[col]); - /* Range-limiting is essential due to noise introduced by DCT losses. */ - outptr[rgb_red[cinfo->out_color_space]] = range_limit[y + Crrtab[cr]]; - outptr[rgb_green[cinfo->out_color_space]] = range_limit[y + - ((int) RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], - SCALEBITS))]; - outptr[rgb_blue[cinfo->out_color_space]] = range_limit[y + Cbbtab[cb]]; - outptr += rgb_pixelsize[cinfo->out_color_space]; - } - } -} - - -/**************** Cases other than YCbCr -> RGB **************/ - - -/* - * Color conversion for no colorspace change: just copy the data, - * converting from separate-planes to interleaved representation. - */ - -METHODDEF(void) -null_convert (j_decompress_ptr cinfo, - JSAMPIMAGE input_buf, JDIMENSION input_row, - JSAMPARRAY output_buf, int num_rows) -{ - register JSAMPROW inptr, outptr; - register JDIMENSION count; - register int num_components = cinfo->num_components; - JDIMENSION num_cols = cinfo->output_width; - int ci; - - while (--num_rows >= 0) { - for (ci = 0; ci < num_components; ci++) { - inptr = input_buf[ci][input_row]; - outptr = output_buf[0] + ci; - for (count = num_cols; count > 0; count--) { - *outptr = *inptr++; /* needn't bother with GETJSAMPLE() here */ - outptr += num_components; - } - } - input_row++; - output_buf++; - } -} - - -/* - * Color conversion for grayscale: just copy the data. - * This also works for YCbCr -> grayscale conversion, in which - * we just copy the Y (luminance) component and ignore chrominance. - */ - -METHODDEF(void) -grayscale_convert (j_decompress_ptr cinfo, - JSAMPIMAGE input_buf, JDIMENSION input_row, - JSAMPARRAY output_buf, int num_rows) -{ - jcopy_sample_rows(input_buf[0], (int) input_row, output_buf, 0, - num_rows, cinfo->output_width); -} - - -/* - * Convert grayscale to RGB: just duplicate the graylevel three times. - * This is provided to support applications that don't want to cope - * with grayscale as a separate case. - */ - -METHODDEF(void) -gray_rgb_convert (j_decompress_ptr cinfo, - JSAMPIMAGE input_buf, JDIMENSION input_row, - JSAMPARRAY output_buf, int num_rows) -{ - register JSAMPROW inptr, outptr; - JSAMPLE *maxinptr; - register JDIMENSION col; - JDIMENSION num_cols = cinfo->output_width; - int rindex = rgb_red[cinfo->out_color_space]; - int gindex = rgb_green[cinfo->out_color_space]; - int bindex = rgb_blue[cinfo->out_color_space]; - int rgbstride = rgb_pixelsize[cinfo->out_color_space]; - - while (--num_rows >= 0) { - inptr = input_buf[0][input_row++]; - maxinptr = &inptr[num_cols]; - outptr = *output_buf++; - for (; inptr < maxinptr; inptr++, outptr += rgbstride) { - /* We can dispense with GETJSAMPLE() here */ - outptr[rindex] = outptr[gindex] = outptr[bindex] = *inptr; - } - } -} - - -/* - * Adobe-style YCCK->CMYK conversion. - * We convert YCbCr to R=1-C, G=1-M, and B=1-Y using the same - * conversion as above, while passing K (black) unchanged. - * We assume build_ycc_rgb_table has been called. - */ - -METHODDEF(void) -ycck_cmyk_convert (j_decompress_ptr cinfo, - JSAMPIMAGE input_buf, JDIMENSION input_row, - JSAMPARRAY output_buf, int num_rows) -{ - my_cconvert_ptr cconvert = (my_cconvert_ptr) cinfo->cconvert; - register int y, cb, cr; - register JSAMPROW outptr; - register JSAMPROW inptr0, inptr1, inptr2, inptr3; - register JDIMENSION col; - JDIMENSION num_cols = cinfo->output_width; - /* copy these pointers into registers if possible */ - register JSAMPLE * range_limit = cinfo->sample_range_limit; - register int * Crrtab = cconvert->Cr_r_tab; - register int * Cbbtab = cconvert->Cb_b_tab; - register INT32 * Crgtab = cconvert->Cr_g_tab; - register INT32 * Cbgtab = cconvert->Cb_g_tab; - SHIFT_TEMPS - - while (--num_rows >= 0) { - inptr0 = input_buf[0][input_row]; - inptr1 = input_buf[1][input_row]; - inptr2 = input_buf[2][input_row]; - inptr3 = input_buf[3][input_row]; - input_row++; - outptr = *output_buf++; - for (col = 0; col < num_cols; col++) { - y = GETJSAMPLE(inptr0[col]); - cb = GETJSAMPLE(inptr1[col]); - cr = GETJSAMPLE(inptr2[col]); - /* Range-limiting is essential due to noise introduced by DCT losses. */ - outptr[0] = range_limit[MAXJSAMPLE - (y + Crrtab[cr])]; /* red */ - outptr[1] = range_limit[MAXJSAMPLE - (y + /* green */ - ((int) RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], - SCALEBITS)))]; - outptr[2] = range_limit[MAXJSAMPLE - (y + Cbbtab[cb])]; /* blue */ - /* K passes through unchanged */ - outptr[3] = inptr3[col]; /* don't need GETJSAMPLE here */ - outptr += 4; - } - } -} - - -/* - * Empty method for start_pass. - */ - -METHODDEF(void) -start_pass_dcolor (j_decompress_ptr cinfo) -{ - /* no work needed */ -} - - -/* - * Module initialization routine for output colorspace conversion. - */ - -GLOBAL(void) -jinit_color_deconverter (j_decompress_ptr cinfo) -{ - my_cconvert_ptr cconvert; - int ci; - - cconvert = (my_cconvert_ptr) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(my_color_deconverter)); - cinfo->cconvert = (struct jpeg_color_deconverter *) cconvert; - cconvert->pub.start_pass = start_pass_dcolor; - - /* Make sure num_components agrees with jpeg_color_space */ - switch (cinfo->jpeg_color_space) { - case JCS_GRAYSCALE: - if (cinfo->num_components != 1) - ERREXIT(cinfo, JERR_BAD_J_COLORSPACE); - break; - - case JCS_RGB: - case JCS_YCbCr: - if (cinfo->num_components != 3) - ERREXIT(cinfo, JERR_BAD_J_COLORSPACE); - break; - - case JCS_CMYK: - case JCS_YCCK: - if (cinfo->num_components != 4) - ERREXIT(cinfo, JERR_BAD_J_COLORSPACE); - break; - - default: /* JCS_UNKNOWN can be anything */ - if (cinfo->num_components < 1) - ERREXIT(cinfo, JERR_BAD_J_COLORSPACE); - break; - } - - /* Set out_color_components and conversion method based on requested space. - * Also clear the component_needed flags for any unused components, - * so that earlier pipeline stages can avoid useless computation. - */ - - switch (cinfo->out_color_space) { - case JCS_GRAYSCALE: - cinfo->out_color_components = 1; - if (cinfo->jpeg_color_space == JCS_GRAYSCALE || - cinfo->jpeg_color_space == JCS_YCbCr) { - cconvert->pub.color_convert = grayscale_convert; - /* For color->grayscale conversion, only the Y (0) component is needed */ - for (ci = 1; ci < cinfo->num_components; ci++) - cinfo->comp_info[ci].component_needed = FALSE; - } else - ERREXIT(cinfo, JERR_CONVERSION_NOTIMPL); - break; - - case JCS_RGB: - case JCS_EXT_RGB: - case JCS_EXT_RGBX: - case JCS_EXT_BGR: - case JCS_EXT_BGRX: - case JCS_EXT_XBGR: - case JCS_EXT_XRGB: - cinfo->out_color_components = rgb_pixelsize[cinfo->out_color_space]; - if (cinfo->jpeg_color_space == JCS_YCbCr) { - if (jsimd_can_ycc_rgb()) - cconvert->pub.color_convert = jsimd_ycc_rgb_convert; - else { - cconvert->pub.color_convert = ycc_rgb_convert; - build_ycc_rgb_table(cinfo); - } - } else if (cinfo->jpeg_color_space == JCS_GRAYSCALE) { - cconvert->pub.color_convert = gray_rgb_convert; - } else if (cinfo->jpeg_color_space == cinfo->out_color_space && - rgb_pixelsize[cinfo->out_color_space] == 3) { - cconvert->pub.color_convert = null_convert; - } else - ERREXIT(cinfo, JERR_CONVERSION_NOTIMPL); - break; - - case JCS_CMYK: - cinfo->out_color_components = 4; - if (cinfo->jpeg_color_space == JCS_YCCK) { - cconvert->pub.color_convert = ycck_cmyk_convert; - build_ycc_rgb_table(cinfo); - } else if (cinfo->jpeg_color_space == JCS_CMYK) { - cconvert->pub.color_convert = null_convert; - } else - ERREXIT(cinfo, JERR_CONVERSION_NOTIMPL); - break; - - default: - /* Permit null conversion to same output space */ - if (cinfo->out_color_space == cinfo->jpeg_color_space) { - cinfo->out_color_components = cinfo->num_components; - cconvert->pub.color_convert = null_convert; - } else /* unsupported non-null conversion */ - ERREXIT(cinfo, JERR_CONVERSION_NOTIMPL); - break; - } - - if (cinfo->quantize_colors) - cinfo->output_components = 1; /* single colormapped output component */ - else - cinfo->output_components = cinfo->out_color_components; -} diff --git a/common/jpeg/jdct.h b/common/jpeg/jdct.h deleted file mode 100644 index 7b49a975..00000000 --- a/common/jpeg/jdct.h +++ /dev/null @@ -1,184 +0,0 @@ -/* - * jdct.h - * - * Copyright (C) 1994-1996, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This include file contains common declarations for the forward and - * inverse DCT modules. These declarations are private to the DCT managers - * (jcdctmgr.c, jddctmgr.c) and the individual DCT algorithms. - * The individual DCT algorithms are kept in separate files to ease - * machine-dependent tuning (e.g., assembly coding). - */ - - -/* - * A forward DCT routine is given a pointer to a work area of type DCTELEM[]; - * the DCT is to be performed in-place in that buffer. Type DCTELEM is int - * for 8-bit samples, INT32 for 12-bit samples. (NOTE: Floating-point DCT - * implementations use an array of type FAST_FLOAT, instead.) - * The DCT inputs are expected to be signed (range +-CENTERJSAMPLE). - * The DCT outputs are returned scaled up by a factor of 8; they therefore - * have a range of +-8K for 8-bit data, +-128K for 12-bit data. This - * convention improves accuracy in integer implementations and saves some - * work in floating-point ones. - * Quantization of the output coefficients is done by jcdctmgr.c. This - * step requires an unsigned type and also one with twice the bits. - */ - -#if BITS_IN_JSAMPLE == 8 -#ifndef WITH_SIMD -typedef int DCTELEM; /* 16 or 32 bits is fine */ -typedef unsigned int UDCTELEM; -typedef unsigned long long UDCTELEM2; -#else -typedef short DCTELEM; /* prefer 16 bit with SIMD for parellelism */ -typedef unsigned short UDCTELEM; -typedef unsigned int UDCTELEM2; -#endif -#else -typedef INT32 DCTELEM; /* must have 32 bits */ -typedef UINT32 UDCTELEM; -typedef unsigned long long UDCTELEM2; -#endif - - -/* - * An inverse DCT routine is given a pointer to the input JBLOCK and a pointer - * to an output sample array. The routine must dequantize the input data as - * well as perform the IDCT; for dequantization, it uses the multiplier table - * pointed to by compptr->dct_table. The output data is to be placed into the - * sample array starting at a specified column. (Any row offset needed will - * be applied to the array pointer before it is passed to the IDCT code.) - * Note that the number of samples emitted by the IDCT routine is - * DCT_scaled_size * DCT_scaled_size. - */ - -/* typedef inverse_DCT_method_ptr is declared in jpegint.h */ - -/* - * Each IDCT routine has its own ideas about the best dct_table element type. - */ - -typedef MULTIPLIER ISLOW_MULT_TYPE; /* short or int, whichever is faster */ -#if BITS_IN_JSAMPLE == 8 -typedef MULTIPLIER IFAST_MULT_TYPE; /* 16 bits is OK, use short if faster */ -#define IFAST_SCALE_BITS 2 /* fractional bits in scale factors */ -#else -typedef INT32 IFAST_MULT_TYPE; /* need 32 bits for scaled quantizers */ -#define IFAST_SCALE_BITS 13 /* fractional bits in scale factors */ -#endif -typedef FAST_FLOAT FLOAT_MULT_TYPE; /* preferred floating type */ - - -/* - * Each IDCT routine is responsible for range-limiting its results and - * converting them to unsigned form (0..MAXJSAMPLE). The raw outputs could - * be quite far out of range if the input data is corrupt, so a bulletproof - * range-limiting step is required. We use a mask-and-table-lookup method - * to do the combined operations quickly. See the comments with - * prepare_range_limit_table (in jdmaster.c) for more info. - */ - -#define IDCT_range_limit(cinfo) ((cinfo)->sample_range_limit + CENTERJSAMPLE) - -#define RANGE_MASK (MAXJSAMPLE * 4 + 3) /* 2 bits wider than legal samples */ - - -/* Short forms of external names for systems with brain-damaged linkers. */ - -#ifdef NEED_SHORT_EXTERNAL_NAMES -#define jpeg_fdct_islow jFDislow -#define jpeg_fdct_ifast jFDifast -#define jpeg_fdct_float jFDfloat -#define jpeg_idct_islow jRDislow -#define jpeg_idct_ifast jRDifast -#define jpeg_idct_float jRDfloat -#define jpeg_idct_4x4 jRD4x4 -#define jpeg_idct_2x2 jRD2x2 -#define jpeg_idct_1x1 jRD1x1 -#endif /* NEED_SHORT_EXTERNAL_NAMES */ - -/* Extern declarations for the forward and inverse DCT routines. */ - -EXTERN(void) jpeg_fdct_islow JPP((DCTELEM * data)); -EXTERN(void) jpeg_fdct_ifast JPP((DCTELEM * data)); -EXTERN(void) jpeg_fdct_float JPP((FAST_FLOAT * data)); - -EXTERN(void) jpeg_idct_islow - JPP((j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, JSAMPARRAY output_buf, JDIMENSION output_col)); -EXTERN(void) jpeg_idct_ifast - JPP((j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, JSAMPARRAY output_buf, JDIMENSION output_col)); -EXTERN(void) jpeg_idct_float - JPP((j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, JSAMPARRAY output_buf, JDIMENSION output_col)); -EXTERN(void) jpeg_idct_4x4 - JPP((j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, JSAMPARRAY output_buf, JDIMENSION output_col)); -EXTERN(void) jpeg_idct_2x2 - JPP((j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, JSAMPARRAY output_buf, JDIMENSION output_col)); -EXTERN(void) jpeg_idct_1x1 - JPP((j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, JSAMPARRAY output_buf, JDIMENSION output_col)); - - -/* - * Macros for handling fixed-point arithmetic; these are used by many - * but not all of the DCT/IDCT modules. - * - * All values are expected to be of type INT32. - * Fractional constants are scaled left by CONST_BITS bits. - * CONST_BITS is defined within each module using these macros, - * and may differ from one module to the next. - */ - -#define ONE ((INT32) 1) -#define CONST_SCALE (ONE << CONST_BITS) - -/* Convert a positive real constant to an integer scaled by CONST_SCALE. - * Caution: some C compilers fail to reduce "FIX(constant)" at compile time, - * thus causing a lot of useless floating-point operations at run time. - */ - -#define FIX(x) ((INT32) ((x) * CONST_SCALE + 0.5)) - -/* Descale and correctly round an INT32 value that's scaled by N bits. - * We assume RIGHT_SHIFT rounds towards minus infinity, so adding - * the fudge factor is correct for either sign of X. - */ - -#define DESCALE(x,n) RIGHT_SHIFT((x) + (ONE << ((n)-1)), n) - -/* Multiply an INT32 variable by an INT32 constant to yield an INT32 result. - * This macro is used only when the two inputs will actually be no more than - * 16 bits wide, so that a 16x16->32 bit multiply can be used instead of a - * full 32x32 multiply. This provides a useful speedup on many machines. - * Unfortunately there is no way to specify a 16x16->32 multiply portably - * in C, but some C compilers will do the right thing if you provide the - * correct combination of casts. - */ - -#ifdef SHORTxSHORT_32 /* may work if 'int' is 32 bits */ -#define MULTIPLY16C16(var,const) (((INT16) (var)) * ((INT16) (const))) -#endif -#ifdef SHORTxLCONST_32 /* known to work with Microsoft C 6.0 */ -#define MULTIPLY16C16(var,const) (((INT16) (var)) * ((INT32) (const))) -#endif - -#ifndef MULTIPLY16C16 /* default definition */ -#define MULTIPLY16C16(var,const) ((var) * (const)) -#endif - -/* Same except both inputs are variables. */ - -#ifdef SHORTxSHORT_32 /* may work if 'int' is 32 bits */ -#define MULTIPLY16V16(var1,var2) (((INT16) (var1)) * ((INT16) (var2))) -#endif - -#ifndef MULTIPLY16V16 /* default definition */ -#define MULTIPLY16V16(var1,var2) ((var1) * (var2)) -#endif diff --git a/common/jpeg/jddctmgr.c b/common/jpeg/jddctmgr.c deleted file mode 100644 index 52f50906..00000000 --- a/common/jpeg/jddctmgr.c +++ /dev/null @@ -1,286 +0,0 @@ -/* - * jddctmgr.c - * - * Copyright (C) 1994-1996, Thomas G. Lane. - * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains the inverse-DCT management logic. - * This code selects a particular IDCT implementation to be used, - * and it performs related housekeeping chores. No code in this file - * is executed per IDCT step, only during output pass setup. - * - * Note that the IDCT routines are responsible for performing coefficient - * dequantization as well as the IDCT proper. This module sets up the - * dequantization multiplier table needed by the IDCT routine. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" -#include "jdct.h" /* Private declarations for DCT subsystem */ -#include "jsimddct.h" - - -/* - * The decompressor input side (jdinput.c) saves away the appropriate - * quantization table for each component at the start of the first scan - * involving that component. (This is necessary in order to correctly - * decode files that reuse Q-table slots.) - * When we are ready to make an output pass, the saved Q-table is converted - * to a multiplier table that will actually be used by the IDCT routine. - * The multiplier table contents are IDCT-method-dependent. To support - * application changes in IDCT method between scans, we can remake the - * multiplier tables if necessary. - * In buffered-image mode, the first output pass may occur before any data - * has been seen for some components, and thus before their Q-tables have - * been saved away. To handle this case, multiplier tables are preset - * to zeroes; the result of the IDCT will be a neutral gray level. - */ - - -/* Private subobject for this module */ - -typedef struct { - struct jpeg_inverse_dct pub; /* public fields */ - - /* This array contains the IDCT method code that each multiplier table - * is currently set up for, or -1 if it's not yet set up. - * The actual multiplier tables are pointed to by dct_table in the - * per-component comp_info structures. - */ - int cur_method[MAX_COMPONENTS]; -} my_idct_controller; - -typedef my_idct_controller * my_idct_ptr; - - -/* Allocated multiplier tables: big enough for any supported variant */ - -typedef union { - ISLOW_MULT_TYPE islow_array[DCTSIZE2]; -#ifdef DCT_IFAST_SUPPORTED - IFAST_MULT_TYPE ifast_array[DCTSIZE2]; -#endif -#ifdef DCT_FLOAT_SUPPORTED - FLOAT_MULT_TYPE float_array[DCTSIZE2]; -#endif -} multiplier_table; - - -/* The current scaled-IDCT routines require ISLOW-style multiplier tables, - * so be sure to compile that code if either ISLOW or SCALING is requested. - */ -#ifdef DCT_ISLOW_SUPPORTED -#define PROVIDE_ISLOW_TABLES -#else -#ifdef IDCT_SCALING_SUPPORTED -#define PROVIDE_ISLOW_TABLES -#endif -#endif - - -/* - * Prepare for an output pass. - * Here we select the proper IDCT routine for each component and build - * a matching multiplier table. - */ - -METHODDEF(void) -start_pass (j_decompress_ptr cinfo) -{ - my_idct_ptr idct = (my_idct_ptr) cinfo->idct; - int ci, i; - jpeg_component_info *compptr; - int method = 0; - inverse_DCT_method_ptr method_ptr = NULL; - JQUANT_TBL * qtbl; - - for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; - ci++, compptr++) { - /* Select the proper IDCT routine for this component's scaling */ - switch (compptr->DCT_scaled_size) { -#ifdef IDCT_SCALING_SUPPORTED - case 1: - method_ptr = jpeg_idct_1x1; - method = JDCT_ISLOW; /* jidctred uses islow-style table */ - break; - case 2: - if (jsimd_can_idct_2x2()) - method_ptr = jsimd_idct_2x2; - else - method_ptr = jpeg_idct_2x2; - method = JDCT_ISLOW; /* jidctred uses islow-style table */ - break; - case 4: - if (jsimd_can_idct_4x4()) - method_ptr = jsimd_idct_4x4; - else - method_ptr = jpeg_idct_4x4; - method = JDCT_ISLOW; /* jidctred uses islow-style table */ - break; -#endif - case DCTSIZE: - switch (cinfo->dct_method) { -#ifdef DCT_ISLOW_SUPPORTED - case JDCT_ISLOW: - if (jsimd_can_idct_islow()) - method_ptr = jsimd_idct_islow; - else - method_ptr = jpeg_idct_islow; - method = JDCT_ISLOW; - break; -#endif -#ifdef DCT_IFAST_SUPPORTED - case JDCT_IFAST: - if (jsimd_can_idct_ifast()) - method_ptr = jsimd_idct_ifast; - else - method_ptr = jpeg_idct_ifast; - method = JDCT_IFAST; - break; -#endif -#ifdef DCT_FLOAT_SUPPORTED - case JDCT_FLOAT: - if (jsimd_can_idct_float()) - method_ptr = jsimd_idct_float; - else - method_ptr = jpeg_idct_float; - method = JDCT_FLOAT; - break; -#endif - default: - ERREXIT(cinfo, JERR_NOT_COMPILED); - break; - } - break; - default: - ERREXIT1(cinfo, JERR_BAD_DCTSIZE, compptr->DCT_scaled_size); - break; - } - idct->pub.inverse_DCT[ci] = method_ptr; - /* Create multiplier table from quant table. - * However, we can skip this if the component is uninteresting - * or if we already built the table. Also, if no quant table - * has yet been saved for the component, we leave the - * multiplier table all-zero; we'll be reading zeroes from the - * coefficient controller's buffer anyway. - */ - if (! compptr->component_needed || idct->cur_method[ci] == method) - continue; - qtbl = compptr->quant_table; - if (qtbl == NULL) /* happens if no data yet for component */ - continue; - idct->cur_method[ci] = method; - switch (method) { -#ifdef PROVIDE_ISLOW_TABLES - case JDCT_ISLOW: - { - /* For LL&M IDCT method, multipliers are equal to raw quantization - * coefficients, but are stored as ints to ensure access efficiency. - */ - ISLOW_MULT_TYPE * ismtbl = (ISLOW_MULT_TYPE *) compptr->dct_table; - for (i = 0; i < DCTSIZE2; i++) { - ismtbl[i] = (ISLOW_MULT_TYPE) qtbl->quantval[i]; - } - } - break; -#endif -#ifdef DCT_IFAST_SUPPORTED - case JDCT_IFAST: - { - /* For AA&N IDCT method, multipliers are equal to quantization - * coefficients scaled by scalefactor[row]*scalefactor[col], where - * scalefactor[0] = 1 - * scalefactor[k] = cos(k*PI/16) * sqrt(2) for k=1..7 - * For integer operation, the multiplier table is to be scaled by - * IFAST_SCALE_BITS. - */ - IFAST_MULT_TYPE * ifmtbl = (IFAST_MULT_TYPE *) compptr->dct_table; -#define CONST_BITS 14 - static const INT16 aanscales[DCTSIZE2] = { - /* precomputed values scaled up by 14 bits */ - 16384, 22725, 21407, 19266, 16384, 12873, 8867, 4520, - 22725, 31521, 29692, 26722, 22725, 17855, 12299, 6270, - 21407, 29692, 27969, 25172, 21407, 16819, 11585, 5906, - 19266, 26722, 25172, 22654, 19266, 15137, 10426, 5315, - 16384, 22725, 21407, 19266, 16384, 12873, 8867, 4520, - 12873, 17855, 16819, 15137, 12873, 10114, 6967, 3552, - 8867, 12299, 11585, 10426, 8867, 6967, 4799, 2446, - 4520, 6270, 5906, 5315, 4520, 3552, 2446, 1247 - }; - SHIFT_TEMPS - - for (i = 0; i < DCTSIZE2; i++) { - ifmtbl[i] = (IFAST_MULT_TYPE) - DESCALE(MULTIPLY16V16((INT32) qtbl->quantval[i], - (INT32) aanscales[i]), - CONST_BITS-IFAST_SCALE_BITS); - } - } - break; -#endif -#ifdef DCT_FLOAT_SUPPORTED - case JDCT_FLOAT: - { - /* For float AA&N IDCT method, multipliers are equal to quantization - * coefficients scaled by scalefactor[row]*scalefactor[col], where - * scalefactor[0] = 1 - * scalefactor[k] = cos(k*PI/16) * sqrt(2) for k=1..7 - */ - FLOAT_MULT_TYPE * fmtbl = (FLOAT_MULT_TYPE *) compptr->dct_table; - int row, col; - static const double aanscalefactor[DCTSIZE] = { - 1.0, 1.387039845, 1.306562965, 1.175875602, - 1.0, 0.785694958, 0.541196100, 0.275899379 - }; - - i = 0; - for (row = 0; row < DCTSIZE; row++) { - for (col = 0; col < DCTSIZE; col++) { - fmtbl[i] = (FLOAT_MULT_TYPE) - ((double) qtbl->quantval[i] * - aanscalefactor[row] * aanscalefactor[col]); - i++; - } - } - } - break; -#endif - default: - ERREXIT(cinfo, JERR_NOT_COMPILED); - break; - } - } -} - - -/* - * Initialize IDCT manager. - */ - -GLOBAL(void) -jinit_inverse_dct (j_decompress_ptr cinfo) -{ - my_idct_ptr idct; - int ci; - jpeg_component_info *compptr; - - idct = (my_idct_ptr) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(my_idct_controller)); - cinfo->idct = (struct jpeg_inverse_dct *) idct; - idct->pub.start_pass = start_pass; - - for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; - ci++, compptr++) { - /* Allocate and pre-zero a multiplier table for each component */ - compptr->dct_table = - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(multiplier_table)); - MEMZERO(compptr->dct_table, SIZEOF(multiplier_table)); - /* Mark multiplier table not yet set up for any method */ - idct->cur_method[ci] = -1; - } -} diff --git a/common/jpeg/jdhuff.c b/common/jpeg/jdhuff.c deleted file mode 100644 index 0291bc97..00000000 --- a/common/jpeg/jdhuff.c +++ /dev/null @@ -1,824 +0,0 @@ -/* - * jdhuff.c - * - * Copyright (C) 1991-1997, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains Huffman entropy decoding routines. - * - * Much of the complexity here has to do with supporting input suspension. - * If the data source module demands suspension, we want to be able to back - * up to the start of the current MCU. To do this, we copy state variables - * into local working storage, and update them back to the permanent - * storage only upon successful completion of an MCU. - */ - -/* Modifications: - * Copyright (C)2007 Sun Microsystems, Inc. - * Copyright (C)2009-2010 D. R. Commander - * - * This library is free software and may be redistributed and/or modified under - * the terms of the wxWindows Library License, Version 3.1 or (at your option) - * any later version. The full license is in the LICENSE.txt file included - * with this distribution. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * wxWindows Library License for more details. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" -#include "jdhuff.h" /* Declarations shared with jdphuff.c */ - - -/* - * Expanded entropy decoder object for Huffman decoding. - * - * The savable_state subrecord contains fields that change within an MCU, - * but must not be updated permanently until we complete the MCU. - */ - -typedef struct { - int last_dc_val[MAX_COMPS_IN_SCAN]; /* last DC coef for each component */ -} savable_state; - -/* This macro is to work around compilers with missing or broken - * structure assignment. You'll need to fix this code if you have - * such a compiler and you change MAX_COMPS_IN_SCAN. - */ - -#ifndef NO_STRUCT_ASSIGN -#define ASSIGN_STATE(dest,src) ((dest) = (src)) -#else -#if MAX_COMPS_IN_SCAN == 4 -#define ASSIGN_STATE(dest,src) \ - ((dest).last_dc_val[0] = (src).last_dc_val[0], \ - (dest).last_dc_val[1] = (src).last_dc_val[1], \ - (dest).last_dc_val[2] = (src).last_dc_val[2], \ - (dest).last_dc_val[3] = (src).last_dc_val[3]) -#endif -#endif - - -typedef struct { - struct jpeg_entropy_decoder pub; /* public fields */ - - /* These fields are loaded into local variables at start of each MCU. - * In case of suspension, we exit WITHOUT updating them. - */ - bitread_perm_state bitstate; /* Bit buffer at start of MCU */ - savable_state saved; /* Other state at start of MCU */ - - /* These fields are NOT loaded into local working state. */ - unsigned int restarts_to_go; /* MCUs left in this restart interval */ - - /* Pointers to derived tables (these workspaces have image lifespan) */ - d_derived_tbl * dc_derived_tbls[NUM_HUFF_TBLS]; - d_derived_tbl * ac_derived_tbls[NUM_HUFF_TBLS]; - - /* Precalculated info set up by start_pass for use in decode_mcu: */ - - /* Pointers to derived tables to be used for each block within an MCU */ - d_derived_tbl * dc_cur_tbls[D_MAX_BLOCKS_IN_MCU]; - d_derived_tbl * ac_cur_tbls[D_MAX_BLOCKS_IN_MCU]; - /* Whether we care about the DC and AC coefficient values for each block */ - boolean dc_needed[D_MAX_BLOCKS_IN_MCU]; - boolean ac_needed[D_MAX_BLOCKS_IN_MCU]; -} huff_entropy_decoder; - -typedef huff_entropy_decoder * huff_entropy_ptr; - - -/* - * Initialize for a Huffman-compressed scan. - */ - -METHODDEF(void) -start_pass_huff_decoder (j_decompress_ptr cinfo) -{ - huff_entropy_ptr entropy = (huff_entropy_ptr) cinfo->entropy; - int ci, blkn, dctbl, actbl; - jpeg_component_info * compptr; - - /* Check that the scan parameters Ss, Se, Ah/Al are OK for sequential JPEG. - * This ought to be an error condition, but we make it a warning because - * there are some baseline files out there with all zeroes in these bytes. - */ - if (cinfo->Ss != 0 || cinfo->Se != DCTSIZE2-1 || - cinfo->Ah != 0 || cinfo->Al != 0) - WARNMS(cinfo, JWRN_NOT_SEQUENTIAL); - - for (ci = 0; ci < cinfo->comps_in_scan; ci++) { - compptr = cinfo->cur_comp_info[ci]; - dctbl = compptr->dc_tbl_no; - actbl = compptr->ac_tbl_no; - /* Compute derived values for Huffman tables */ - /* We may do this more than once for a table, but it's not expensive */ - jpeg_make_d_derived_tbl(cinfo, TRUE, dctbl, - & entropy->dc_derived_tbls[dctbl]); - jpeg_make_d_derived_tbl(cinfo, FALSE, actbl, - & entropy->ac_derived_tbls[actbl]); - /* Initialize DC predictions to 0 */ - entropy->saved.last_dc_val[ci] = 0; - } - - /* Precalculate decoding info for each block in an MCU of this scan */ - for (blkn = 0; blkn < cinfo->blocks_in_MCU; blkn++) { - ci = cinfo->MCU_membership[blkn]; - compptr = cinfo->cur_comp_info[ci]; - /* Precalculate which table to use for each block */ - entropy->dc_cur_tbls[blkn] = entropy->dc_derived_tbls[compptr->dc_tbl_no]; - entropy->ac_cur_tbls[blkn] = entropy->ac_derived_tbls[compptr->ac_tbl_no]; - /* Decide whether we really care about the coefficient values */ - if (compptr->component_needed) { - entropy->dc_needed[blkn] = TRUE; - /* we don't need the ACs if producing a 1/8th-size image */ - entropy->ac_needed[blkn] = (compptr->DCT_scaled_size > 1); - } else { - entropy->dc_needed[blkn] = entropy->ac_needed[blkn] = FALSE; - } - } - - /* Initialize bitread state variables */ - entropy->bitstate.bits_left = 0; - entropy->bitstate.get_buffer = 0; /* unnecessary, but keeps Purify quiet */ - entropy->pub.insufficient_data = FALSE; - - /* Initialize restart counter */ - entropy->restarts_to_go = cinfo->restart_interval; -} - - -/* - * Compute the derived values for a Huffman table. - * This routine also performs some validation checks on the table. - * - * Note this is also used by jdphuff.c. - */ - -GLOBAL(void) -jpeg_make_d_derived_tbl (j_decompress_ptr cinfo, boolean isDC, int tblno, - d_derived_tbl ** pdtbl) -{ - JHUFF_TBL *htbl; - d_derived_tbl *dtbl; - int p, i, l, si, numsymbols; - int lookbits, ctr; - char huffsize[257]; - unsigned int huffcode[257]; - unsigned int code; - - /* Note that huffsize[] and huffcode[] are filled in code-length order, - * paralleling the order of the symbols themselves in htbl->huffval[]. - */ - - /* Find the input Huffman table */ - if (tblno < 0 || tblno >= NUM_HUFF_TBLS) - ERREXIT1(cinfo, JERR_NO_HUFF_TABLE, tblno); - htbl = - isDC ? cinfo->dc_huff_tbl_ptrs[tblno] : cinfo->ac_huff_tbl_ptrs[tblno]; - if (htbl == NULL) - ERREXIT1(cinfo, JERR_NO_HUFF_TABLE, tblno); - - /* Allocate a workspace if we haven't already done so. */ - if (*pdtbl == NULL) - *pdtbl = (d_derived_tbl *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(d_derived_tbl)); - dtbl = *pdtbl; - dtbl->pub = htbl; /* fill in back link */ - - /* Figure C.1: make table of Huffman code length for each symbol */ - - p = 0; - for (l = 1; l <= 16; l++) { - i = (int) htbl->bits[l]; - if (i < 0 || p + i > 256) /* protect against table overrun */ - ERREXIT(cinfo, JERR_BAD_HUFF_TABLE); - while (i--) - huffsize[p++] = (char) l; - } - huffsize[p] = 0; - numsymbols = p; - - /* Figure C.2: generate the codes themselves */ - /* We also validate that the counts represent a legal Huffman code tree. */ - - code = 0; - si = huffsize[0]; - p = 0; - while (huffsize[p]) { - while (((int) huffsize[p]) == si) { - huffcode[p++] = code; - code++; - } - /* code is now 1 more than the last code used for codelength si; but - * it must still fit in si bits, since no code is allowed to be all ones. - */ - if (((INT32) code) >= (((INT32) 1) << si)) - ERREXIT(cinfo, JERR_BAD_HUFF_TABLE); - code <<= 1; - si++; - } - - /* Figure F.15: generate decoding tables for bit-sequential decoding */ - - p = 0; - for (l = 1; l <= 16; l++) { - if (htbl->bits[l]) { - /* valoffset[l] = huffval[] index of 1st symbol of code length l, - * minus the minimum code of length l - */ - dtbl->valoffset[l] = (INT32) p - (INT32) huffcode[p]; - p += htbl->bits[l]; - dtbl->maxcode[l] = huffcode[p-1]; /* maximum code of length l */ - } else { - dtbl->maxcode[l] = -1; /* -1 if no codes of this length */ - } - } - dtbl->valoffset[17] = 0; - dtbl->maxcode[17] = 0xFFFFFL; /* ensures jpeg_huff_decode terminates */ - - /* Compute lookahead tables to speed up decoding. - * First we set all the table entries to 0, indicating "too long"; - * then we iterate through the Huffman codes that are short enough and - * fill in all the entries that correspond to bit sequences starting - * with that code. - */ - - for (i = 0; i < (1 << HUFF_LOOKAHEAD); i++) - dtbl->lookup[i] = (HUFF_LOOKAHEAD + 1) << HUFF_LOOKAHEAD; - - p = 0; - for (l = 1; l <= HUFF_LOOKAHEAD; l++) { - for (i = 1; i <= (int) htbl->bits[l]; i++, p++) { - /* l = current code's length, p = its index in huffcode[] & huffval[]. */ - /* Generate left-justified code followed by all possible bit sequences */ - lookbits = huffcode[p] << (HUFF_LOOKAHEAD-l); - for (ctr = 1 << (HUFF_LOOKAHEAD-l); ctr > 0; ctr--) { - dtbl->lookup[lookbits] = (l << HUFF_LOOKAHEAD) | htbl->huffval[p]; - lookbits++; - } - } - } - - /* Validate symbols as being reasonable. - * For AC tables, we make no check, but accept all byte values 0..255. - * For DC tables, we require the symbols to be in range 0..15. - * (Tighter bounds could be applied depending on the data depth and mode, - * but this is sufficient to ensure safe decoding.) - */ - if (isDC) { - for (i = 0; i < numsymbols; i++) { - int sym = htbl->huffval[i]; - if (sym < 0 || sym > 15) - ERREXIT(cinfo, JERR_BAD_HUFF_TABLE); - } - } -} - - -/* - * Out-of-line code for bit fetching (shared with jdphuff.c). - * See jdhuff.h for info about usage. - * Note: current values of get_buffer and bits_left are passed as parameters, - * but are returned in the corresponding fields of the state struct. - * - * On most machines MIN_GET_BITS should be 25 to allow the full 32-bit width - * of get_buffer to be used. (On machines with wider words, an even larger - * buffer could be used.) However, on some machines 32-bit shifts are - * quite slow and take time proportional to the number of places shifted. - * (This is true with most PC compilers, for instance.) In this case it may - * be a win to set MIN_GET_BITS to the minimum value of 15. This reduces the - * average shift distance at the cost of more calls to jpeg_fill_bit_buffer. - */ - -#ifdef SLOW_SHIFT_32 -#define MIN_GET_BITS 15 /* minimum allowable value */ -#else -#define MIN_GET_BITS (BIT_BUF_SIZE-7) -#endif - - -GLOBAL(boolean) -jpeg_fill_bit_buffer (bitread_working_state * state, - register bit_buf_type get_buffer, register int bits_left, - int nbits) -/* Load up the bit buffer to a depth of at least nbits */ -{ - /* Copy heavily used state fields into locals (hopefully registers) */ - register const JOCTET * next_input_byte = state->next_input_byte; - register size_t bytes_in_buffer = state->bytes_in_buffer; - j_decompress_ptr cinfo = state->cinfo; - - /* Attempt to load at least MIN_GET_BITS bits into get_buffer. */ - /* (It is assumed that no request will be for more than that many bits.) */ - /* We fail to do so only if we hit a marker or are forced to suspend. */ - - if (cinfo->unread_marker == 0) { /* cannot advance past a marker */ - while (bits_left < MIN_GET_BITS) { - register int c; - - /* Attempt to read a byte */ - if (bytes_in_buffer == 0) { - if (! (*cinfo->src->fill_input_buffer) (cinfo)) - return FALSE; - next_input_byte = cinfo->src->next_input_byte; - bytes_in_buffer = cinfo->src->bytes_in_buffer; - } - bytes_in_buffer--; - c = GETJOCTET(*next_input_byte++); - - /* If it's 0xFF, check and discard stuffed zero byte */ - if (c == 0xFF) { - /* Loop here to discard any padding FF's on terminating marker, - * so that we can save a valid unread_marker value. NOTE: we will - * accept multiple FF's followed by a 0 as meaning a single FF data - * byte. This data pattern is not valid according to the standard. - */ - do { - if (bytes_in_buffer == 0) { - if (! (*cinfo->src->fill_input_buffer) (cinfo)) - return FALSE; - next_input_byte = cinfo->src->next_input_byte; - bytes_in_buffer = cinfo->src->bytes_in_buffer; - } - bytes_in_buffer--; - c = GETJOCTET(*next_input_byte++); - } while (c == 0xFF); - - if (c == 0) { - /* Found FF/00, which represents an FF data byte */ - c = 0xFF; - } else { - /* Oops, it's actually a marker indicating end of compressed data. - * Save the marker code for later use. - * Fine point: it might appear that we should save the marker into - * bitread working state, not straight into permanent state. But - * once we have hit a marker, we cannot need to suspend within the - * current MCU, because we will read no more bytes from the data - * source. So it is OK to update permanent state right away. - */ - cinfo->unread_marker = c; - /* See if we need to insert some fake zero bits. */ - goto no_more_bytes; - } - } - - /* OK, load c into get_buffer */ - get_buffer = (get_buffer << 8) | c; - bits_left += 8; - } /* end while */ - } else { - no_more_bytes: - /* We get here if we've read the marker that terminates the compressed - * data segment. There should be enough bits in the buffer register - * to satisfy the request; if so, no problem. - */ - if (nbits > bits_left) { - /* Uh-oh. Report corrupted data to user and stuff zeroes into - * the data stream, so that we can produce some kind of image. - * We use a nonvolatile flag to ensure that only one warning message - * appears per data segment. - */ - if (! cinfo->entropy->insufficient_data) { - WARNMS(cinfo, JWRN_HIT_MARKER); - cinfo->entropy->insufficient_data = TRUE; - } - /* Fill the buffer with zero bits */ - get_buffer <<= MIN_GET_BITS - bits_left; - bits_left = MIN_GET_BITS; - } - } - - /* Unload the local registers */ - state->next_input_byte = next_input_byte; - state->bytes_in_buffer = bytes_in_buffer; - state->get_buffer = get_buffer; - state->bits_left = bits_left; - - return TRUE; -} - - -/* - * Out-of-line code for Huffman code decoding. - * See jdhuff.h for info about usage. - */ - -GLOBAL(int) -jpeg_huff_decode (bitread_working_state * state, - register bit_buf_type get_buffer, register int bits_left, - d_derived_tbl * htbl, int min_bits) -{ - register int l = min_bits; - register INT32 code; - - /* HUFF_DECODE has determined that the code is at least min_bits */ - /* bits long, so fetch that many bits in one swoop. */ - - CHECK_BIT_BUFFER(*state, l, return -1); - code = GET_BITS(l); - - /* Collect the rest of the Huffman code one bit at a time. */ - /* This is per Figure F.16 in the JPEG spec. */ - - while (code > htbl->maxcode[l]) { - code <<= 1; - CHECK_BIT_BUFFER(*state, 1, return -1); - code |= GET_BITS(1); - l++; - } - - /* Unload the local registers */ - state->get_buffer = get_buffer; - state->bits_left = bits_left; - - /* With garbage input we may reach the sentinel value l = 17. */ - - if (l > 16) { - WARNMS(state->cinfo, JWRN_HUFF_BAD_CODE); - return 0; /* fake a zero as the safest result */ - } - - return htbl->pub->huffval[ (int) (code + htbl->valoffset[l]) ]; -} - - -/* - * Figure F.12: extend sign bit. - * On some machines, a shift and add will be faster than a table lookup. - */ - -#define AVOID_TABLES -#ifdef AVOID_TABLES - -#define HUFF_EXTEND(x,s) ((x) + ((((x) - (1<<((s)-1))) >> 31) & (((-1)<<(s)) + 1))) - -#else - -#define HUFF_EXTEND(x,s) ((x) < extend_test[s] ? (x) + extend_offset[s] : (x)) - -static const int extend_test[16] = /* entry n is 2**(n-1) */ - { 0, 0x0001, 0x0002, 0x0004, 0x0008, 0x0010, 0x0020, 0x0040, 0x0080, - 0x0100, 0x0200, 0x0400, 0x0800, 0x1000, 0x2000, 0x4000 }; - -static const int extend_offset[16] = /* entry n is (-1 << n) + 1 */ - { 0, ((-1)<<1) + 1, ((-1)<<2) + 1, ((-1)<<3) + 1, ((-1)<<4) + 1, - ((-1)<<5) + 1, ((-1)<<6) + 1, ((-1)<<7) + 1, ((-1)<<8) + 1, - ((-1)<<9) + 1, ((-1)<<10) + 1, ((-1)<<11) + 1, ((-1)<<12) + 1, - ((-1)<<13) + 1, ((-1)<<14) + 1, ((-1)<<15) + 1 }; - -#endif /* AVOID_TABLES */ - - -/* - * Check for a restart marker & resynchronize decoder. - * Returns FALSE if must suspend. - */ - -LOCAL(boolean) -process_restart (j_decompress_ptr cinfo) -{ - huff_entropy_ptr entropy = (huff_entropy_ptr) cinfo->entropy; - int ci; - - /* Throw away any unused bits remaining in bit buffer; */ - /* include any full bytes in next_marker's count of discarded bytes */ - cinfo->marker->discarded_bytes += entropy->bitstate.bits_left / 8; - entropy->bitstate.bits_left = 0; - - /* Advance past the RSTn marker */ - if (! (*cinfo->marker->read_restart_marker) (cinfo)) - return FALSE; - - /* Re-initialize DC predictions to 0 */ - for (ci = 0; ci < cinfo->comps_in_scan; ci++) - entropy->saved.last_dc_val[ci] = 0; - - /* Reset restart counter */ - entropy->restarts_to_go = cinfo->restart_interval; - - /* Reset out-of-data flag, unless read_restart_marker left us smack up - * against a marker. In that case we will end up treating the next data - * segment as empty, and we can avoid producing bogus output pixels by - * leaving the flag set. - */ - if (cinfo->unread_marker == 0) - entropy->pub.insufficient_data = FALSE; - - return TRUE; -} - - -LOCAL(boolean) -decode_mcu_slow (j_decompress_ptr cinfo, JBLOCKROW *MCU_data) -{ - huff_entropy_ptr entropy = (huff_entropy_ptr) cinfo->entropy; - BITREAD_STATE_VARS; - int blkn; - savable_state state; - /* Outer loop handles each block in the MCU */ - - /* Load up working state */ - BITREAD_LOAD_STATE(cinfo,entropy->bitstate); - ASSIGN_STATE(state, entropy->saved); - - for (blkn = 0; blkn < cinfo->blocks_in_MCU; blkn++) { - JBLOCKROW block = MCU_data[blkn]; - d_derived_tbl * dctbl = entropy->dc_cur_tbls[blkn]; - d_derived_tbl * actbl = entropy->ac_cur_tbls[blkn]; - register int s, k, r; - - /* Decode a single block's worth of coefficients */ - - /* Section F.2.2.1: decode the DC coefficient difference */ - HUFF_DECODE(s, br_state, dctbl, return FALSE, label1); - if (s) { - CHECK_BIT_BUFFER(br_state, s, return FALSE); - r = GET_BITS(s); - s = HUFF_EXTEND(r, s); - } - - if (entropy->dc_needed[blkn]) { - /* Convert DC difference to actual value, update last_dc_val */ - int ci = cinfo->MCU_membership[blkn]; - s += state.last_dc_val[ci]; - state.last_dc_val[ci] = s; - /* Output the DC coefficient (assumes jpeg_natural_order[0] = 0) */ - (*block)[0] = (JCOEF) s; - } - - if (entropy->ac_needed[blkn]) { - - /* Section F.2.2.2: decode the AC coefficients */ - /* Since zeroes are skipped, output area must be cleared beforehand */ - for (k = 1; k < DCTSIZE2; k++) { - HUFF_DECODE(s, br_state, actbl, return FALSE, label2); - - r = s >> 4; - s &= 15; - - if (s) { - k += r; - CHECK_BIT_BUFFER(br_state, s, return FALSE); - r = GET_BITS(s); - s = HUFF_EXTEND(r, s); - /* Output coefficient in natural (dezigzagged) order. - * Note: the extra entries in jpeg_natural_order[] will save us - * if k >= DCTSIZE2, which could happen if the data is corrupted. - */ - (*block)[jpeg_natural_order[k]] = (JCOEF) s; - } else { - if (r != 15) - break; - k += 15; - } - } - - } else { - - /* Section F.2.2.2: decode the AC coefficients */ - /* In this path we just discard the values */ - for (k = 1; k < DCTSIZE2; k++) { - HUFF_DECODE(s, br_state, actbl, return FALSE, label3); - - r = s >> 4; - s &= 15; - - if (s) { - k += r; - CHECK_BIT_BUFFER(br_state, s, return FALSE); - DROP_BITS(s); - } else { - if (r != 15) - break; - k += 15; - } - } - } - } - - /* Completed MCU, so update state */ - BITREAD_SAVE_STATE(cinfo,entropy->bitstate); - ASSIGN_STATE(entropy->saved, state); - return TRUE; -} - - -/***************************************************************/ - -#define ADD_BYTE { \ - int val0 = *(buffer++); \ - int val1 = *(buffer); \ - \ - bits_left += 8; \ - get_buffer = (get_buffer << 8) | (val0); \ - if (val0 == 0xFF) { \ - buffer++; \ - if (val1 != 0) { \ - buffer -= 2; \ - get_buffer &= ~0xFF; \ - } \ - } \ -} - -/***************************************************************/ - -#if __WORDSIZE == 64 || defined(_WIN64) - -#define ENSURE_SHORT \ - if (bits_left < 16) { \ - ADD_BYTE ADD_BYTE ADD_BYTE ADD_BYTE ADD_BYTE ADD_BYTE \ - } - -#else - -#define ENSURE_SHORT if (bits_left < 16) { ADD_BYTE ADD_BYTE } - -#endif - -/***************************************************************/ - -#define HUFF_DECODE_FAST(symbol, size, htbl) { \ - ENSURE_SHORT \ - symbol = PEEK_BITS(HUFF_LOOKAHEAD); \ - symbol = htbl->lookup[symbol]; \ - size = symbol >> 8; \ - bits_left -= size; \ - symbol = symbol & ((1 << HUFF_LOOKAHEAD) - 1); \ - if (size == HUFF_LOOKAHEAD + 1) { \ - symbol = (get_buffer >> bits_left) & ((1 << (size)) - 1); \ - while (symbol > htbl->maxcode[size]) { \ - symbol <<= 1; \ - symbol |= GET_BITS(1); \ - size++; \ - } \ - symbol = htbl->pub->huffval[ (int) (symbol + htbl->valoffset[size]) & 0xFF ]; \ - } \ -} - -/***************************************************************/ - -LOCAL(boolean) -decode_mcu_fast (j_decompress_ptr cinfo, JBLOCKROW *MCU_data) -{ - huff_entropy_ptr entropy = (huff_entropy_ptr) cinfo->entropy; - BITREAD_STATE_VARS; - JOCTET *buffer; - int blkn; - savable_state state; - /* Outer loop handles each block in the MCU */ - - /* Load up working state */ - BITREAD_LOAD_STATE(cinfo,entropy->bitstate); - buffer = (JOCTET *) br_state.next_input_byte; - ASSIGN_STATE(state, entropy->saved); - - for (blkn = 0; blkn < cinfo->blocks_in_MCU; blkn++) { - JBLOCKROW block = MCU_data[blkn]; - d_derived_tbl * dctbl = entropy->dc_cur_tbls[blkn]; - d_derived_tbl * actbl = entropy->ac_cur_tbls[blkn]; - register int s, k, r, l; - - HUFF_DECODE_FAST(s, l, dctbl); - if (s) { - ENSURE_SHORT - r = GET_BITS(s); - s = HUFF_EXTEND(r, s); - } - - if (entropy->dc_needed[blkn]) { - int ci = cinfo->MCU_membership[blkn]; - s += state.last_dc_val[ci]; - state.last_dc_val[ci] = s; - (*block)[0] = (JCOEF) s; - } - - if (entropy->ac_needed[blkn]) { - - for (k = 1; k < DCTSIZE2; k++) { - HUFF_DECODE_FAST(s, l, actbl); - r = s >> 4; - s &= 15; - - if (s) { - k += r; - ENSURE_SHORT - r = GET_BITS(s); - s = HUFF_EXTEND(r, s); - (*block)[jpeg_natural_order[k]] = (JCOEF) s; - } else { - if (r != 15) break; - k += 15; - } - } - - } else { - - for (k = 1; k < DCTSIZE2; k++) { - HUFF_DECODE_FAST(s, l, actbl); - r = s >> 4; - s &= 15; - - if (s) { - k += r; - ENSURE_SHORT - DROP_BITS(s); - } else { - if (r != 15) break; - k += 15; - } - } - } - } - - br_state.bytes_in_buffer -= (buffer - br_state.next_input_byte); - br_state.next_input_byte = buffer; - BITREAD_SAVE_STATE(cinfo,entropy->bitstate); - ASSIGN_STATE(entropy->saved, state); - return TRUE; -} - - -/* - * Decode and return one MCU's worth of Huffman-compressed coefficients. - * The coefficients are reordered from zigzag order into natural array order, - * but are not dequantized. - * - * The i'th block of the MCU is stored into the block pointed to by - * MCU_data[i]. WE ASSUME THIS AREA HAS BEEN ZEROED BY THE CALLER. - * (Wholesale zeroing is usually a little faster than retail...) - * - * Returns FALSE if data source requested suspension. In that case no - * changes have been made to permanent state. (Exception: some output - * coefficients may already have been assigned. This is harmless for - * this module, since we'll just re-assign them on the next call.) - */ - -#define BUFSIZE (DCTSIZE2 * 2) - -METHODDEF(boolean) -decode_mcu (j_decompress_ptr cinfo, JBLOCKROW *MCU_data) -{ - huff_entropy_ptr entropy = (huff_entropy_ptr) cinfo->entropy; - int usefast = 1; - - /* Process restart marker if needed; may have to suspend */ - if (cinfo->restart_interval) { - if (entropy->restarts_to_go == 0) - if (! process_restart(cinfo)) - return FALSE; - usefast = 0; - } - - if (cinfo->src->bytes_in_buffer < BUFSIZE * cinfo->blocks_in_MCU) - usefast = 0; - - /* If we've run out of data, just leave the MCU set to zeroes. - * This way, we return uniform gray for the remainder of the segment. - */ - if (! entropy->pub.insufficient_data) { - - if (usefast) { - if (!decode_mcu_fast(cinfo, MCU_data)) return FALSE; - } - else { - if (!decode_mcu_slow(cinfo, MCU_data)) return FALSE; - } - - } - - /* Account for restart interval (no-op if not using restarts) */ - entropy->restarts_to_go--; - - return TRUE; -} - - -/* - * Module initialization routine for Huffman entropy decoding. - */ - -GLOBAL(void) -jinit_huff_decoder (j_decompress_ptr cinfo) -{ - huff_entropy_ptr entropy; - int i; - - entropy = (huff_entropy_ptr) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(huff_entropy_decoder)); - cinfo->entropy = (struct jpeg_entropy_decoder *) entropy; - entropy->pub.start_pass = start_pass_huff_decoder; - entropy->pub.decode_mcu = decode_mcu; - - /* Mark tables unallocated */ - for (i = 0; i < NUM_HUFF_TBLS; i++) { - entropy->dc_derived_tbls[i] = entropy->ac_derived_tbls[i] = NULL; - } -} diff --git a/common/jpeg/jdhuff.h b/common/jpeg/jdhuff.h deleted file mode 100644 index 2697488f..00000000 --- a/common/jpeg/jdhuff.h +++ /dev/null @@ -1,214 +0,0 @@ -/* - * jdhuff.h - * - * Copyright (C) 1991-1997, Thomas G. Lane. - * Copyright (C) 2010, D. R. Commander. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains declarations for Huffman entropy decoding routines - * that are shared between the sequential decoder (jdhuff.c) and the - * progressive decoder (jdphuff.c). No other modules need to see these. - */ - -/* Short forms of external names for systems with brain-damaged linkers. */ - -#ifdef NEED_SHORT_EXTERNAL_NAMES -#define jpeg_make_d_derived_tbl jMkDDerived -#define jpeg_fill_bit_buffer jFilBitBuf -#define jpeg_huff_decode jHufDecode -#endif /* NEED_SHORT_EXTERNAL_NAMES */ - - -/* Derived data constructed for each Huffman table */ - -#define HUFF_LOOKAHEAD 8 /* # of bits of lookahead */ - -typedef struct { - /* Basic tables: (element [0] of each array is unused) */ - INT32 maxcode[18]; /* largest code of length k (-1 if none) */ - /* (maxcode[17] is a sentinel to ensure jpeg_huff_decode terminates) */ - INT32 valoffset[18]; /* huffval[] offset for codes of length k */ - /* valoffset[k] = huffval[] index of 1st symbol of code length k, less - * the smallest code of length k; so given a code of length k, the - * corresponding symbol is huffval[code + valoffset[k]] - */ - - /* Link to public Huffman table (needed only in jpeg_huff_decode) */ - JHUFF_TBL *pub; - - /* Lookahead table: indexed by the next HUFF_LOOKAHEAD bits of - * the input data stream. If the next Huffman code is no more - * than HUFF_LOOKAHEAD bits long, we can obtain its length and - * the corresponding symbol directly from this tables. - * - * The lower 8 bits of each table entry contain the number of - * bits in the corresponding Huffman code, or HUFF_LOOKAHEAD + 1 - * if too long. The next 8 bits of each entry contain the - * symbol. - */ - int lookup[1<<HUFF_LOOKAHEAD]; -} d_derived_tbl; - -/* Expand a Huffman table definition into the derived format */ -EXTERN(void) jpeg_make_d_derived_tbl - JPP((j_decompress_ptr cinfo, boolean isDC, int tblno, - d_derived_tbl ** pdtbl)); - - -/* - * Fetching the next N bits from the input stream is a time-critical operation - * for the Huffman decoders. We implement it with a combination of inline - * macros and out-of-line subroutines. Note that N (the number of bits - * demanded at one time) never exceeds 15 for JPEG use. - * - * We read source bytes into get_buffer and dole out bits as needed. - * If get_buffer already contains enough bits, they are fetched in-line - * by the macros CHECK_BIT_BUFFER and GET_BITS. When there aren't enough - * bits, jpeg_fill_bit_buffer is called; it will attempt to fill get_buffer - * as full as possible (not just to the number of bits needed; this - * prefetching reduces the overhead cost of calling jpeg_fill_bit_buffer). - * Note that jpeg_fill_bit_buffer may return FALSE to indicate suspension. - * On TRUE return, jpeg_fill_bit_buffer guarantees that get_buffer contains - * at least the requested number of bits --- dummy zeroes are inserted if - * necessary. - */ - -#if __WORDSIZE == 64 || defined(_WIN64) - -typedef size_t bit_buf_type; /* type of bit-extraction buffer */ -#define BIT_BUF_SIZE 64 /* size of buffer in bits */ - -#else - -typedef INT32 bit_buf_type; /* type of bit-extraction buffer */ -#define BIT_BUF_SIZE 32 /* size of buffer in bits */ - -#endif - -/* If long is > 32 bits on your machine, and shifting/masking longs is - * reasonably fast, making bit_buf_type be long and setting BIT_BUF_SIZE - * appropriately should be a win. Unfortunately we can't define the size - * with something like #define BIT_BUF_SIZE (sizeof(bit_buf_type)*8) - * because not all machines measure sizeof in 8-bit bytes. - */ - -typedef struct { /* Bitreading state saved across MCUs */ - bit_buf_type get_buffer; /* current bit-extraction buffer */ - int bits_left; /* # of unused bits in it */ -} bitread_perm_state; - -typedef struct { /* Bitreading working state within an MCU */ - /* Current data source location */ - /* We need a copy, rather than munging the original, in case of suspension */ - const JOCTET * next_input_byte; /* => next byte to read from source */ - size_t bytes_in_buffer; /* # of bytes remaining in source buffer */ - /* Bit input buffer --- note these values are kept in register variables, - * not in this struct, inside the inner loops. - */ - bit_buf_type get_buffer; /* current bit-extraction buffer */ - int bits_left; /* # of unused bits in it */ - /* Pointer needed by jpeg_fill_bit_buffer. */ - j_decompress_ptr cinfo; /* back link to decompress master record */ -} bitread_working_state; - -/* Macros to declare and load/save bitread local variables. */ -#define BITREAD_STATE_VARS \ - register bit_buf_type get_buffer; \ - register int bits_left; \ - bitread_working_state br_state - -#define BITREAD_LOAD_STATE(cinfop,permstate) \ - br_state.cinfo = cinfop; \ - br_state.next_input_byte = cinfop->src->next_input_byte; \ - br_state.bytes_in_buffer = cinfop->src->bytes_in_buffer; \ - get_buffer = permstate.get_buffer; \ - bits_left = permstate.bits_left; - -#define BITREAD_SAVE_STATE(cinfop,permstate) \ - cinfop->src->next_input_byte = br_state.next_input_byte; \ - cinfop->src->bytes_in_buffer = br_state.bytes_in_buffer; \ - permstate.get_buffer = get_buffer; \ - permstate.bits_left = bits_left - -/* - * These macros provide the in-line portion of bit fetching. - * Use CHECK_BIT_BUFFER to ensure there are N bits in get_buffer - * before using GET_BITS, PEEK_BITS, or DROP_BITS. - * The variables get_buffer and bits_left are assumed to be locals, - * but the state struct might not be (jpeg_huff_decode needs this). - * CHECK_BIT_BUFFER(state,n,action); - * Ensure there are N bits in get_buffer; if suspend, take action. - * val = GET_BITS(n); - * Fetch next N bits. - * val = PEEK_BITS(n); - * Fetch next N bits without removing them from the buffer. - * DROP_BITS(n); - * Discard next N bits. - * The value N should be a simple variable, not an expression, because it - * is evaluated multiple times. - */ - -#define CHECK_BIT_BUFFER(state,nbits,action) \ - { if (bits_left < (nbits)) { \ - if (! jpeg_fill_bit_buffer(&(state),get_buffer,bits_left,nbits)) \ - { action; } \ - get_buffer = (state).get_buffer; bits_left = (state).bits_left; } } - -#define GET_BITS(nbits) \ - (((int) (get_buffer >> (bits_left -= (nbits)))) & ((1<<(nbits))-1)) - -#define PEEK_BITS(nbits) \ - (((int) (get_buffer >> (bits_left - (nbits)))) & ((1<<(nbits))-1)) - -#define DROP_BITS(nbits) \ - (bits_left -= (nbits)) - -/* Load up the bit buffer to a depth of at least nbits */ -EXTERN(boolean) jpeg_fill_bit_buffer - JPP((bitread_working_state * state, register bit_buf_type get_buffer, - register int bits_left, int nbits)); - - -/* - * Code for extracting next Huffman-coded symbol from input bit stream. - * Again, this is time-critical and we make the main paths be macros. - * - * We use a lookahead table to process codes of up to HUFF_LOOKAHEAD bits - * without looping. Usually, more than 95% of the Huffman codes will be 8 - * or fewer bits long. The few overlength codes are handled with a loop, - * which need not be inline code. - * - * Notes about the HUFF_DECODE macro: - * 1. Near the end of the data segment, we may fail to get enough bits - * for a lookahead. In that case, we do it the hard way. - * 2. If the lookahead table contains no entry, the next code must be - * more than HUFF_LOOKAHEAD bits long. - * 3. jpeg_huff_decode returns -1 if forced to suspend. - */ - -#define HUFF_DECODE(result,state,htbl,failaction,slowlabel) \ -{ register int nb, look; \ - if (bits_left < HUFF_LOOKAHEAD) { \ - if (! jpeg_fill_bit_buffer(&state,get_buffer,bits_left, 0)) {failaction;} \ - get_buffer = state.get_buffer; bits_left = state.bits_left; \ - if (bits_left < HUFF_LOOKAHEAD) { \ - nb = 1; goto slowlabel; \ - } \ - } \ - look = PEEK_BITS(HUFF_LOOKAHEAD); \ - if ((nb = (htbl->lookup[look] >> HUFF_LOOKAHEAD)) <= HUFF_LOOKAHEAD) { \ - DROP_BITS(nb); \ - result = htbl->lookup[look] & ((1 << HUFF_LOOKAHEAD) - 1); \ - } else { \ -slowlabel: \ - if ((result=jpeg_huff_decode(&state,get_buffer,bits_left,htbl,nb)) < 0) \ - { failaction; } \ - get_buffer = state.get_buffer; bits_left = state.bits_left; \ - } \ -} - -/* Out-of-line case for Huffman code fetching */ -EXTERN(int) jpeg_huff_decode - JPP((bitread_working_state * state, register bit_buf_type get_buffer, - register int bits_left, d_derived_tbl * htbl, int min_bits)); diff --git a/common/jpeg/jdinput.c b/common/jpeg/jdinput.c deleted file mode 100644 index 0c2ac8f1..00000000 --- a/common/jpeg/jdinput.c +++ /dev/null @@ -1,381 +0,0 @@ -/* - * jdinput.c - * - * Copyright (C) 1991-1997, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains input control logic for the JPEG decompressor. - * These routines are concerned with controlling the decompressor's input - * processing (marker reading and coefficient decoding). The actual input - * reading is done in jdmarker.c, jdhuff.c, and jdphuff.c. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" - - -/* Private state */ - -typedef struct { - struct jpeg_input_controller pub; /* public fields */ - - boolean inheaders; /* TRUE until first SOS is reached */ -} my_input_controller; - -typedef my_input_controller * my_inputctl_ptr; - - -/* Forward declarations */ -METHODDEF(int) consume_markers JPP((j_decompress_ptr cinfo)); - - -/* - * Routines to calculate various quantities related to the size of the image. - */ - -LOCAL(void) -initial_setup (j_decompress_ptr cinfo) -/* Called once, when first SOS marker is reached */ -{ - int ci; - jpeg_component_info *compptr; - - /* Make sure image isn't bigger than I can handle */ - if ((long) cinfo->image_height > (long) JPEG_MAX_DIMENSION || - (long) cinfo->image_width > (long) JPEG_MAX_DIMENSION) - ERREXIT1(cinfo, JERR_IMAGE_TOO_BIG, (unsigned int) JPEG_MAX_DIMENSION); - - /* For now, precision must match compiled-in value... */ - if (cinfo->data_precision != BITS_IN_JSAMPLE) - ERREXIT1(cinfo, JERR_BAD_PRECISION, cinfo->data_precision); - - /* Check that number of components won't exceed internal array sizes */ - if (cinfo->num_components > MAX_COMPONENTS) - ERREXIT2(cinfo, JERR_COMPONENT_COUNT, cinfo->num_components, - MAX_COMPONENTS); - - /* Compute maximum sampling factors; check factor validity */ - cinfo->max_h_samp_factor = 1; - cinfo->max_v_samp_factor = 1; - for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; - ci++, compptr++) { - if (compptr->h_samp_factor<=0 || compptr->h_samp_factor>MAX_SAMP_FACTOR || - compptr->v_samp_factor<=0 || compptr->v_samp_factor>MAX_SAMP_FACTOR) - ERREXIT(cinfo, JERR_BAD_SAMPLING); - cinfo->max_h_samp_factor = MAX(cinfo->max_h_samp_factor, - compptr->h_samp_factor); - cinfo->max_v_samp_factor = MAX(cinfo->max_v_samp_factor, - compptr->v_samp_factor); - } - - /* We initialize DCT_scaled_size and min_DCT_scaled_size to DCTSIZE. - * In the full decompressor, this will be overridden by jdmaster.c; - * but in the transcoder, jdmaster.c is not used, so we must do it here. - */ - cinfo->min_DCT_scaled_size = DCTSIZE; - - /* Compute dimensions of components */ - for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; - ci++, compptr++) { - compptr->DCT_scaled_size = DCTSIZE; - /* Size in DCT blocks */ - compptr->width_in_blocks = (JDIMENSION) - jdiv_round_up((long) cinfo->image_width * (long) compptr->h_samp_factor, - (long) (cinfo->max_h_samp_factor * DCTSIZE)); - compptr->height_in_blocks = (JDIMENSION) - jdiv_round_up((long) cinfo->image_height * (long) compptr->v_samp_factor, - (long) (cinfo->max_v_samp_factor * DCTSIZE)); - /* downsampled_width and downsampled_height will also be overridden by - * jdmaster.c if we are doing full decompression. The transcoder library - * doesn't use these values, but the calling application might. - */ - /* Size in samples */ - compptr->downsampled_width = (JDIMENSION) - jdiv_round_up((long) cinfo->image_width * (long) compptr->h_samp_factor, - (long) cinfo->max_h_samp_factor); - compptr->downsampled_height = (JDIMENSION) - jdiv_round_up((long) cinfo->image_height * (long) compptr->v_samp_factor, - (long) cinfo->max_v_samp_factor); - /* Mark component needed, until color conversion says otherwise */ - compptr->component_needed = TRUE; - /* Mark no quantization table yet saved for component */ - compptr->quant_table = NULL; - } - - /* Compute number of fully interleaved MCU rows. */ - cinfo->total_iMCU_rows = (JDIMENSION) - jdiv_round_up((long) cinfo->image_height, - (long) (cinfo->max_v_samp_factor*DCTSIZE)); - - /* Decide whether file contains multiple scans */ - if (cinfo->comps_in_scan < cinfo->num_components || cinfo->progressive_mode) - cinfo->inputctl->has_multiple_scans = TRUE; - else - cinfo->inputctl->has_multiple_scans = FALSE; -} - - -LOCAL(void) -per_scan_setup (j_decompress_ptr cinfo) -/* Do computations that are needed before processing a JPEG scan */ -/* cinfo->comps_in_scan and cinfo->cur_comp_info[] were set from SOS marker */ -{ - int ci, mcublks, tmp; - jpeg_component_info *compptr; - - if (cinfo->comps_in_scan == 1) { - - /* Noninterleaved (single-component) scan */ - compptr = cinfo->cur_comp_info[0]; - - /* Overall image size in MCUs */ - cinfo->MCUs_per_row = compptr->width_in_blocks; - cinfo->MCU_rows_in_scan = compptr->height_in_blocks; - - /* For noninterleaved scan, always one block per MCU */ - compptr->MCU_width = 1; - compptr->MCU_height = 1; - compptr->MCU_blocks = 1; - compptr->MCU_sample_width = compptr->DCT_scaled_size; - compptr->last_col_width = 1; - /* For noninterleaved scans, it is convenient to define last_row_height - * as the number of block rows present in the last iMCU row. - */ - tmp = (int) (compptr->height_in_blocks % compptr->v_samp_factor); - if (tmp == 0) tmp = compptr->v_samp_factor; - compptr->last_row_height = tmp; - - /* Prepare array describing MCU composition */ - cinfo->blocks_in_MCU = 1; - cinfo->MCU_membership[0] = 0; - - } else { - - /* Interleaved (multi-component) scan */ - if (cinfo->comps_in_scan <= 0 || cinfo->comps_in_scan > MAX_COMPS_IN_SCAN) - ERREXIT2(cinfo, JERR_COMPONENT_COUNT, cinfo->comps_in_scan, - MAX_COMPS_IN_SCAN); - - /* Overall image size in MCUs */ - cinfo->MCUs_per_row = (JDIMENSION) - jdiv_round_up((long) cinfo->image_width, - (long) (cinfo->max_h_samp_factor*DCTSIZE)); - cinfo->MCU_rows_in_scan = (JDIMENSION) - jdiv_round_up((long) cinfo->image_height, - (long) (cinfo->max_v_samp_factor*DCTSIZE)); - - cinfo->blocks_in_MCU = 0; - - for (ci = 0; ci < cinfo->comps_in_scan; ci++) { - compptr = cinfo->cur_comp_info[ci]; - /* Sampling factors give # of blocks of component in each MCU */ - compptr->MCU_width = compptr->h_samp_factor; - compptr->MCU_height = compptr->v_samp_factor; - compptr->MCU_blocks = compptr->MCU_width * compptr->MCU_height; - compptr->MCU_sample_width = compptr->MCU_width * compptr->DCT_scaled_size; - /* Figure number of non-dummy blocks in last MCU column & row */ - tmp = (int) (compptr->width_in_blocks % compptr->MCU_width); - if (tmp == 0) tmp = compptr->MCU_width; - compptr->last_col_width = tmp; - tmp = (int) (compptr->height_in_blocks % compptr->MCU_height); - if (tmp == 0) tmp = compptr->MCU_height; - compptr->last_row_height = tmp; - /* Prepare array describing MCU composition */ - mcublks = compptr->MCU_blocks; - if (cinfo->blocks_in_MCU + mcublks > D_MAX_BLOCKS_IN_MCU) - ERREXIT(cinfo, JERR_BAD_MCU_SIZE); - while (mcublks-- > 0) { - cinfo->MCU_membership[cinfo->blocks_in_MCU++] = ci; - } - } - - } -} - - -/* - * Save away a copy of the Q-table referenced by each component present - * in the current scan, unless already saved during a prior scan. - * - * In a multiple-scan JPEG file, the encoder could assign different components - * the same Q-table slot number, but change table definitions between scans - * so that each component uses a different Q-table. (The IJG encoder is not - * currently capable of doing this, but other encoders might.) Since we want - * to be able to dequantize all the components at the end of the file, this - * means that we have to save away the table actually used for each component. - * We do this by copying the table at the start of the first scan containing - * the component. - * The JPEG spec prohibits the encoder from changing the contents of a Q-table - * slot between scans of a component using that slot. If the encoder does so - * anyway, this decoder will simply use the Q-table values that were current - * at the start of the first scan for the component. - * - * The decompressor output side looks only at the saved quant tables, - * not at the current Q-table slots. - */ - -LOCAL(void) -latch_quant_tables (j_decompress_ptr cinfo) -{ - int ci, qtblno; - jpeg_component_info *compptr; - JQUANT_TBL * qtbl; - - for (ci = 0; ci < cinfo->comps_in_scan; ci++) { - compptr = cinfo->cur_comp_info[ci]; - /* No work if we already saved Q-table for this component */ - if (compptr->quant_table != NULL) - continue; - /* Make sure specified quantization table is present */ - qtblno = compptr->quant_tbl_no; - if (qtblno < 0 || qtblno >= NUM_QUANT_TBLS || - cinfo->quant_tbl_ptrs[qtblno] == NULL) - ERREXIT1(cinfo, JERR_NO_QUANT_TABLE, qtblno); - /* OK, save away the quantization table */ - qtbl = (JQUANT_TBL *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(JQUANT_TBL)); - MEMCOPY(qtbl, cinfo->quant_tbl_ptrs[qtblno], SIZEOF(JQUANT_TBL)); - compptr->quant_table = qtbl; - } -} - - -/* - * Initialize the input modules to read a scan of compressed data. - * The first call to this is done by jdmaster.c after initializing - * the entire decompressor (during jpeg_start_decompress). - * Subsequent calls come from consume_markers, below. - */ - -METHODDEF(void) -start_input_pass (j_decompress_ptr cinfo) -{ - per_scan_setup(cinfo); - latch_quant_tables(cinfo); - (*cinfo->entropy->start_pass) (cinfo); - (*cinfo->coef->start_input_pass) (cinfo); - cinfo->inputctl->consume_input = cinfo->coef->consume_data; -} - - -/* - * Finish up after inputting a compressed-data scan. - * This is called by the coefficient controller after it's read all - * the expected data of the scan. - */ - -METHODDEF(void) -finish_input_pass (j_decompress_ptr cinfo) -{ - cinfo->inputctl->consume_input = consume_markers; -} - - -/* - * Read JPEG markers before, between, or after compressed-data scans. - * Change state as necessary when a new scan is reached. - * Return value is JPEG_SUSPENDED, JPEG_REACHED_SOS, or JPEG_REACHED_EOI. - * - * The consume_input method pointer points either here or to the - * coefficient controller's consume_data routine, depending on whether - * we are reading a compressed data segment or inter-segment markers. - */ - -METHODDEF(int) -consume_markers (j_decompress_ptr cinfo) -{ - my_inputctl_ptr inputctl = (my_inputctl_ptr) cinfo->inputctl; - int val; - - if (inputctl->pub.eoi_reached) /* After hitting EOI, read no further */ - return JPEG_REACHED_EOI; - - val = (*cinfo->marker->read_markers) (cinfo); - - switch (val) { - case JPEG_REACHED_SOS: /* Found SOS */ - if (inputctl->inheaders) { /* 1st SOS */ - initial_setup(cinfo); - inputctl->inheaders = FALSE; - /* Note: start_input_pass must be called by jdmaster.c - * before any more input can be consumed. jdapimin.c is - * responsible for enforcing this sequencing. - */ - } else { /* 2nd or later SOS marker */ - if (! inputctl->pub.has_multiple_scans) - ERREXIT(cinfo, JERR_EOI_EXPECTED); /* Oops, I wasn't expecting this! */ - start_input_pass(cinfo); - } - break; - case JPEG_REACHED_EOI: /* Found EOI */ - inputctl->pub.eoi_reached = TRUE; - if (inputctl->inheaders) { /* Tables-only datastream, apparently */ - if (cinfo->marker->saw_SOF) - ERREXIT(cinfo, JERR_SOF_NO_SOS); - } else { - /* Prevent infinite loop in coef ctlr's decompress_data routine - * if user set output_scan_number larger than number of scans. - */ - if (cinfo->output_scan_number > cinfo->input_scan_number) - cinfo->output_scan_number = cinfo->input_scan_number; - } - break; - case JPEG_SUSPENDED: - break; - } - - return val; -} - - -/* - * Reset state to begin a fresh datastream. - */ - -METHODDEF(void) -reset_input_controller (j_decompress_ptr cinfo) -{ - my_inputctl_ptr inputctl = (my_inputctl_ptr) cinfo->inputctl; - - inputctl->pub.consume_input = consume_markers; - inputctl->pub.has_multiple_scans = FALSE; /* "unknown" would be better */ - inputctl->pub.eoi_reached = FALSE; - inputctl->inheaders = TRUE; - /* Reset other modules */ - (*cinfo->err->reset_error_mgr) ((j_common_ptr) cinfo); - (*cinfo->marker->reset_marker_reader) (cinfo); - /* Reset progression state -- would be cleaner if entropy decoder did this */ - cinfo->coef_bits = NULL; -} - - -/* - * Initialize the input controller module. - * This is called only once, when the decompression object is created. - */ - -GLOBAL(void) -jinit_input_controller (j_decompress_ptr cinfo) -{ - my_inputctl_ptr inputctl; - - /* Create subobject in permanent pool */ - inputctl = (my_inputctl_ptr) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT, - SIZEOF(my_input_controller)); - cinfo->inputctl = (struct jpeg_input_controller *) inputctl; - /* Initialize method pointers */ - inputctl->pub.consume_input = consume_markers; - inputctl->pub.reset_input_controller = reset_input_controller; - inputctl->pub.start_input_pass = start_input_pass; - inputctl->pub.finish_input_pass = finish_input_pass; - /* Initialize state: can't use reset_input_controller since we don't - * want to try to reset other modules yet. - */ - inputctl->pub.has_multiple_scans = FALSE; /* "unknown" would be better */ - inputctl->pub.eoi_reached = FALSE; - inputctl->inheaders = TRUE; -} diff --git a/common/jpeg/jdmainct.c b/common/jpeg/jdmainct.c deleted file mode 100644 index 13c956f5..00000000 --- a/common/jpeg/jdmainct.c +++ /dev/null @@ -1,512 +0,0 @@ -/* - * jdmainct.c - * - * Copyright (C) 1994-1996, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains the main buffer controller for decompression. - * The main buffer lies between the JPEG decompressor proper and the - * post-processor; it holds downsampled data in the JPEG colorspace. - * - * Note that this code is bypassed in raw-data mode, since the application - * supplies the equivalent of the main buffer in that case. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" - - -/* - * In the current system design, the main buffer need never be a full-image - * buffer; any full-height buffers will be found inside the coefficient or - * postprocessing controllers. Nonetheless, the main controller is not - * trivial. Its responsibility is to provide context rows for upsampling/ - * rescaling, and doing this in an efficient fashion is a bit tricky. - * - * Postprocessor input data is counted in "row groups". A row group - * is defined to be (v_samp_factor * DCT_scaled_size / min_DCT_scaled_size) - * sample rows of each component. (We require DCT_scaled_size values to be - * chosen such that these numbers are integers. In practice DCT_scaled_size - * values will likely be powers of two, so we actually have the stronger - * condition that DCT_scaled_size / min_DCT_scaled_size is an integer.) - * Upsampling will typically produce max_v_samp_factor pixel rows from each - * row group (times any additional scale factor that the upsampler is - * applying). - * - * The coefficient controller will deliver data to us one iMCU row at a time; - * each iMCU row contains v_samp_factor * DCT_scaled_size sample rows, or - * exactly min_DCT_scaled_size row groups. (This amount of data corresponds - * to one row of MCUs when the image is fully interleaved.) Note that the - * number of sample rows varies across components, but the number of row - * groups does not. Some garbage sample rows may be included in the last iMCU - * row at the bottom of the image. - * - * Depending on the vertical scaling algorithm used, the upsampler may need - * access to the sample row(s) above and below its current input row group. - * The upsampler is required to set need_context_rows TRUE at global selection - * time if so. When need_context_rows is FALSE, this controller can simply - * obtain one iMCU row at a time from the coefficient controller and dole it - * out as row groups to the postprocessor. - * - * When need_context_rows is TRUE, this controller guarantees that the buffer - * passed to postprocessing contains at least one row group's worth of samples - * above and below the row group(s) being processed. Note that the context - * rows "above" the first passed row group appear at negative row offsets in - * the passed buffer. At the top and bottom of the image, the required - * context rows are manufactured by duplicating the first or last real sample - * row; this avoids having special cases in the upsampling inner loops. - * - * The amount of context is fixed at one row group just because that's a - * convenient number for this controller to work with. The existing - * upsamplers really only need one sample row of context. An upsampler - * supporting arbitrary output rescaling might wish for more than one row - * group of context when shrinking the image; tough, we don't handle that. - * (This is justified by the assumption that downsizing will be handled mostly - * by adjusting the DCT_scaled_size values, so that the actual scale factor at - * the upsample step needn't be much less than one.) - * - * To provide the desired context, we have to retain the last two row groups - * of one iMCU row while reading in the next iMCU row. (The last row group - * can't be processed until we have another row group for its below-context, - * and so we have to save the next-to-last group too for its above-context.) - * We could do this most simply by copying data around in our buffer, but - * that'd be very slow. We can avoid copying any data by creating a rather - * strange pointer structure. Here's how it works. We allocate a workspace - * consisting of M+2 row groups (where M = min_DCT_scaled_size is the number - * of row groups per iMCU row). We create two sets of redundant pointers to - * the workspace. Labeling the physical row groups 0 to M+1, the synthesized - * pointer lists look like this: - * M+1 M-1 - * master pointer --> 0 master pointer --> 0 - * 1 1 - * ... ... - * M-3 M-3 - * M-2 M - * M-1 M+1 - * M M-2 - * M+1 M-1 - * 0 0 - * We read alternate iMCU rows using each master pointer; thus the last two - * row groups of the previous iMCU row remain un-overwritten in the workspace. - * The pointer lists are set up so that the required context rows appear to - * be adjacent to the proper places when we pass the pointer lists to the - * upsampler. - * - * The above pictures describe the normal state of the pointer lists. - * At top and bottom of the image, we diddle the pointer lists to duplicate - * the first or last sample row as necessary (this is cheaper than copying - * sample rows around). - * - * This scheme breaks down if M < 2, ie, min_DCT_scaled_size is 1. In that - * situation each iMCU row provides only one row group so the buffering logic - * must be different (eg, we must read two iMCU rows before we can emit the - * first row group). For now, we simply do not support providing context - * rows when min_DCT_scaled_size is 1. That combination seems unlikely to - * be worth providing --- if someone wants a 1/8th-size preview, they probably - * want it quick and dirty, so a context-free upsampler is sufficient. - */ - - -/* Private buffer controller object */ - -typedef struct { - struct jpeg_d_main_controller pub; /* public fields */ - - /* Pointer to allocated workspace (M or M+2 row groups). */ - JSAMPARRAY buffer[MAX_COMPONENTS]; - - boolean buffer_full; /* Have we gotten an iMCU row from decoder? */ - JDIMENSION rowgroup_ctr; /* counts row groups output to postprocessor */ - - /* Remaining fields are only used in the context case. */ - - /* These are the master pointers to the funny-order pointer lists. */ - JSAMPIMAGE xbuffer[2]; /* pointers to weird pointer lists */ - - int whichptr; /* indicates which pointer set is now in use */ - int context_state; /* process_data state machine status */ - JDIMENSION rowgroups_avail; /* row groups available to postprocessor */ - JDIMENSION iMCU_row_ctr; /* counts iMCU rows to detect image top/bot */ -} my_main_controller; - -typedef my_main_controller * my_main_ptr; - -/* context_state values: */ -#define CTX_PREPARE_FOR_IMCU 0 /* need to prepare for MCU row */ -#define CTX_PROCESS_IMCU 1 /* feeding iMCU to postprocessor */ -#define CTX_POSTPONED_ROW 2 /* feeding postponed row group */ - - -/* Forward declarations */ -METHODDEF(void) process_data_simple_main - JPP((j_decompress_ptr cinfo, JSAMPARRAY output_buf, - JDIMENSION *out_row_ctr, JDIMENSION out_rows_avail)); -METHODDEF(void) process_data_context_main - JPP((j_decompress_ptr cinfo, JSAMPARRAY output_buf, - JDIMENSION *out_row_ctr, JDIMENSION out_rows_avail)); -#ifdef QUANT_2PASS_SUPPORTED -METHODDEF(void) process_data_crank_post - JPP((j_decompress_ptr cinfo, JSAMPARRAY output_buf, - JDIMENSION *out_row_ctr, JDIMENSION out_rows_avail)); -#endif - - -LOCAL(void) -alloc_funny_pointers (j_decompress_ptr cinfo) -/* Allocate space for the funny pointer lists. - * This is done only once, not once per pass. - */ -{ - my_main_ptr main = (my_main_ptr) cinfo->main; - int ci, rgroup; - int M = cinfo->min_DCT_scaled_size; - jpeg_component_info *compptr; - JSAMPARRAY xbuf; - - /* Get top-level space for component array pointers. - * We alloc both arrays with one call to save a few cycles. - */ - main->xbuffer[0] = (JSAMPIMAGE) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - cinfo->num_components * 2 * SIZEOF(JSAMPARRAY)); - main->xbuffer[1] = main->xbuffer[0] + cinfo->num_components; - - for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; - ci++, compptr++) { - rgroup = (compptr->v_samp_factor * compptr->DCT_scaled_size) / - cinfo->min_DCT_scaled_size; /* height of a row group of component */ - /* Get space for pointer lists --- M+4 row groups in each list. - * We alloc both pointer lists with one call to save a few cycles. - */ - xbuf = (JSAMPARRAY) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - 2 * (rgroup * (M + 4)) * SIZEOF(JSAMPROW)); - xbuf += rgroup; /* want one row group at negative offsets */ - main->xbuffer[0][ci] = xbuf; - xbuf += rgroup * (M + 4); - main->xbuffer[1][ci] = xbuf; - } -} - - -LOCAL(void) -make_funny_pointers (j_decompress_ptr cinfo) -/* Create the funny pointer lists discussed in the comments above. - * The actual workspace is already allocated (in main->buffer), - * and the space for the pointer lists is allocated too. - * This routine just fills in the curiously ordered lists. - * This will be repeated at the beginning of each pass. - */ -{ - my_main_ptr main = (my_main_ptr) cinfo->main; - int ci, i, rgroup; - int M = cinfo->min_DCT_scaled_size; - jpeg_component_info *compptr; - JSAMPARRAY buf, xbuf0, xbuf1; - - for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; - ci++, compptr++) { - rgroup = (compptr->v_samp_factor * compptr->DCT_scaled_size) / - cinfo->min_DCT_scaled_size; /* height of a row group of component */ - xbuf0 = main->xbuffer[0][ci]; - xbuf1 = main->xbuffer[1][ci]; - /* First copy the workspace pointers as-is */ - buf = main->buffer[ci]; - for (i = 0; i < rgroup * (M + 2); i++) { - xbuf0[i] = xbuf1[i] = buf[i]; - } - /* In the second list, put the last four row groups in swapped order */ - for (i = 0; i < rgroup * 2; i++) { - xbuf1[rgroup*(M-2) + i] = buf[rgroup*M + i]; - xbuf1[rgroup*M + i] = buf[rgroup*(M-2) + i]; - } - /* The wraparound pointers at top and bottom will be filled later - * (see set_wraparound_pointers, below). Initially we want the "above" - * pointers to duplicate the first actual data line. This only needs - * to happen in xbuffer[0]. - */ - for (i = 0; i < rgroup; i++) { - xbuf0[i - rgroup] = xbuf0[0]; - } - } -} - - -LOCAL(void) -set_wraparound_pointers (j_decompress_ptr cinfo) -/* Set up the "wraparound" pointers at top and bottom of the pointer lists. - * This changes the pointer list state from top-of-image to the normal state. - */ -{ - my_main_ptr main = (my_main_ptr) cinfo->main; - int ci, i, rgroup; - int M = cinfo->min_DCT_scaled_size; - jpeg_component_info *compptr; - JSAMPARRAY xbuf0, xbuf1; - - for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; - ci++, compptr++) { - rgroup = (compptr->v_samp_factor * compptr->DCT_scaled_size) / - cinfo->min_DCT_scaled_size; /* height of a row group of component */ - xbuf0 = main->xbuffer[0][ci]; - xbuf1 = main->xbuffer[1][ci]; - for (i = 0; i < rgroup; i++) { - xbuf0[i - rgroup] = xbuf0[rgroup*(M+1) + i]; - xbuf1[i - rgroup] = xbuf1[rgroup*(M+1) + i]; - xbuf0[rgroup*(M+2) + i] = xbuf0[i]; - xbuf1[rgroup*(M+2) + i] = xbuf1[i]; - } - } -} - - -LOCAL(void) -set_bottom_pointers (j_decompress_ptr cinfo) -/* Change the pointer lists to duplicate the last sample row at the bottom - * of the image. whichptr indicates which xbuffer holds the final iMCU row. - * Also sets rowgroups_avail to indicate number of nondummy row groups in row. - */ -{ - my_main_ptr main = (my_main_ptr) cinfo->main; - int ci, i, rgroup, iMCUheight, rows_left; - jpeg_component_info *compptr; - JSAMPARRAY xbuf; - - for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; - ci++, compptr++) { - /* Count sample rows in one iMCU row and in one row group */ - iMCUheight = compptr->v_samp_factor * compptr->DCT_scaled_size; - rgroup = iMCUheight / cinfo->min_DCT_scaled_size; - /* Count nondummy sample rows remaining for this component */ - rows_left = (int) (compptr->downsampled_height % (JDIMENSION) iMCUheight); - if (rows_left == 0) rows_left = iMCUheight; - /* Count nondummy row groups. Should get same answer for each component, - * so we need only do it once. - */ - if (ci == 0) { - main->rowgroups_avail = (JDIMENSION) ((rows_left-1) / rgroup + 1); - } - /* Duplicate the last real sample row rgroup*2 times; this pads out the - * last partial rowgroup and ensures at least one full rowgroup of context. - */ - xbuf = main->xbuffer[main->whichptr][ci]; - for (i = 0; i < rgroup * 2; i++) { - xbuf[rows_left + i] = xbuf[rows_left-1]; - } - } -} - - -/* - * Initialize for a processing pass. - */ - -METHODDEF(void) -start_pass_main (j_decompress_ptr cinfo, J_BUF_MODE pass_mode) -{ - my_main_ptr main = (my_main_ptr) cinfo->main; - - switch (pass_mode) { - case JBUF_PASS_THRU: - if (cinfo->upsample->need_context_rows) { - main->pub.process_data = process_data_context_main; - make_funny_pointers(cinfo); /* Create the xbuffer[] lists */ - main->whichptr = 0; /* Read first iMCU row into xbuffer[0] */ - main->context_state = CTX_PREPARE_FOR_IMCU; - main->iMCU_row_ctr = 0; - } else { - /* Simple case with no context needed */ - main->pub.process_data = process_data_simple_main; - } - main->buffer_full = FALSE; /* Mark buffer empty */ - main->rowgroup_ctr = 0; - break; -#ifdef QUANT_2PASS_SUPPORTED - case JBUF_CRANK_DEST: - /* For last pass of 2-pass quantization, just crank the postprocessor */ - main->pub.process_data = process_data_crank_post; - break; -#endif - default: - ERREXIT(cinfo, JERR_BAD_BUFFER_MODE); - break; - } -} - - -/* - * Process some data. - * This handles the simple case where no context is required. - */ - -METHODDEF(void) -process_data_simple_main (j_decompress_ptr cinfo, - JSAMPARRAY output_buf, JDIMENSION *out_row_ctr, - JDIMENSION out_rows_avail) -{ - my_main_ptr main = (my_main_ptr) cinfo->main; - JDIMENSION rowgroups_avail; - - /* Read input data if we haven't filled the main buffer yet */ - if (! main->buffer_full) { - if (! (*cinfo->coef->decompress_data) (cinfo, main->buffer)) - return; /* suspension forced, can do nothing more */ - main->buffer_full = TRUE; /* OK, we have an iMCU row to work with */ - } - - /* There are always min_DCT_scaled_size row groups in an iMCU row. */ - rowgroups_avail = (JDIMENSION) cinfo->min_DCT_scaled_size; - /* Note: at the bottom of the image, we may pass extra garbage row groups - * to the postprocessor. The postprocessor has to check for bottom - * of image anyway (at row resolution), so no point in us doing it too. - */ - - /* Feed the postprocessor */ - (*cinfo->post->post_process_data) (cinfo, main->buffer, - &main->rowgroup_ctr, rowgroups_avail, - output_buf, out_row_ctr, out_rows_avail); - - /* Has postprocessor consumed all the data yet? If so, mark buffer empty */ - if (main->rowgroup_ctr >= rowgroups_avail) { - main->buffer_full = FALSE; - main->rowgroup_ctr = 0; - } -} - - -/* - * Process some data. - * This handles the case where context rows must be provided. - */ - -METHODDEF(void) -process_data_context_main (j_decompress_ptr cinfo, - JSAMPARRAY output_buf, JDIMENSION *out_row_ctr, - JDIMENSION out_rows_avail) -{ - my_main_ptr main = (my_main_ptr) cinfo->main; - - /* Read input data if we haven't filled the main buffer yet */ - if (! main->buffer_full) { - if (! (*cinfo->coef->decompress_data) (cinfo, - main->xbuffer[main->whichptr])) - return; /* suspension forced, can do nothing more */ - main->buffer_full = TRUE; /* OK, we have an iMCU row to work with */ - main->iMCU_row_ctr++; /* count rows received */ - } - - /* Postprocessor typically will not swallow all the input data it is handed - * in one call (due to filling the output buffer first). Must be prepared - * to exit and restart. This switch lets us keep track of how far we got. - * Note that each case falls through to the next on successful completion. - */ - switch (main->context_state) { - case CTX_POSTPONED_ROW: - /* Call postprocessor using previously set pointers for postponed row */ - (*cinfo->post->post_process_data) (cinfo, main->xbuffer[main->whichptr], - &main->rowgroup_ctr, main->rowgroups_avail, - output_buf, out_row_ctr, out_rows_avail); - if (main->rowgroup_ctr < main->rowgroups_avail) - return; /* Need to suspend */ - main->context_state = CTX_PREPARE_FOR_IMCU; - if (*out_row_ctr >= out_rows_avail) - return; /* Postprocessor exactly filled output buf */ - /*FALLTHROUGH*/ - case CTX_PREPARE_FOR_IMCU: - /* Prepare to process first M-1 row groups of this iMCU row */ - main->rowgroup_ctr = 0; - main->rowgroups_avail = (JDIMENSION) (cinfo->min_DCT_scaled_size - 1); - /* Check for bottom of image: if so, tweak pointers to "duplicate" - * the last sample row, and adjust rowgroups_avail to ignore padding rows. - */ - if (main->iMCU_row_ctr == cinfo->total_iMCU_rows) - set_bottom_pointers(cinfo); - main->context_state = CTX_PROCESS_IMCU; - /*FALLTHROUGH*/ - case CTX_PROCESS_IMCU: - /* Call postprocessor using previously set pointers */ - (*cinfo->post->post_process_data) (cinfo, main->xbuffer[main->whichptr], - &main->rowgroup_ctr, main->rowgroups_avail, - output_buf, out_row_ctr, out_rows_avail); - if (main->rowgroup_ctr < main->rowgroups_avail) - return; /* Need to suspend */ - /* After the first iMCU, change wraparound pointers to normal state */ - if (main->iMCU_row_ctr == 1) - set_wraparound_pointers(cinfo); - /* Prepare to load new iMCU row using other xbuffer list */ - main->whichptr ^= 1; /* 0=>1 or 1=>0 */ - main->buffer_full = FALSE; - /* Still need to process last row group of this iMCU row, */ - /* which is saved at index M+1 of the other xbuffer */ - main->rowgroup_ctr = (JDIMENSION) (cinfo->min_DCT_scaled_size + 1); - main->rowgroups_avail = (JDIMENSION) (cinfo->min_DCT_scaled_size + 2); - main->context_state = CTX_POSTPONED_ROW; - } -} - - -/* - * Process some data. - * Final pass of two-pass quantization: just call the postprocessor. - * Source data will be the postprocessor controller's internal buffer. - */ - -#ifdef QUANT_2PASS_SUPPORTED - -METHODDEF(void) -process_data_crank_post (j_decompress_ptr cinfo, - JSAMPARRAY output_buf, JDIMENSION *out_row_ctr, - JDIMENSION out_rows_avail) -{ - (*cinfo->post->post_process_data) (cinfo, (JSAMPIMAGE) NULL, - (JDIMENSION *) NULL, (JDIMENSION) 0, - output_buf, out_row_ctr, out_rows_avail); -} - -#endif /* QUANT_2PASS_SUPPORTED */ - - -/* - * Initialize main buffer controller. - */ - -GLOBAL(void) -jinit_d_main_controller (j_decompress_ptr cinfo, boolean need_full_buffer) -{ - my_main_ptr main; - int ci, rgroup, ngroups; - jpeg_component_info *compptr; - - main = (my_main_ptr) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(my_main_controller)); - cinfo->main = (struct jpeg_d_main_controller *) main; - main->pub.start_pass = start_pass_main; - - if (need_full_buffer) /* shouldn't happen */ - ERREXIT(cinfo, JERR_BAD_BUFFER_MODE); - - /* Allocate the workspace. - * ngroups is the number of row groups we need. - */ - if (cinfo->upsample->need_context_rows) { - if (cinfo->min_DCT_scaled_size < 2) /* unsupported, see comments above */ - ERREXIT(cinfo, JERR_NOTIMPL); - alloc_funny_pointers(cinfo); /* Alloc space for xbuffer[] lists */ - ngroups = cinfo->min_DCT_scaled_size + 2; - } else { - ngroups = cinfo->min_DCT_scaled_size; - } - - for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; - ci++, compptr++) { - rgroup = (compptr->v_samp_factor * compptr->DCT_scaled_size) / - cinfo->min_DCT_scaled_size; /* height of a row group of component */ - main->buffer[ci] = (*cinfo->mem->alloc_sarray) - ((j_common_ptr) cinfo, JPOOL_IMAGE, - compptr->width_in_blocks * compptr->DCT_scaled_size, - (JDIMENSION) (rgroup * ngroups)); - } -} diff --git a/common/jpeg/jdmarker.c b/common/jpeg/jdmarker.c deleted file mode 100644 index f4cca8cc..00000000 --- a/common/jpeg/jdmarker.c +++ /dev/null @@ -1,1360 +0,0 @@ -/* - * jdmarker.c - * - * Copyright (C) 1991-1998, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains routines to decode JPEG datastream markers. - * Most of the complexity arises from our desire to support input - * suspension: if not all of the data for a marker is available, - * we must exit back to the application. On resumption, we reprocess - * the marker. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" - - -typedef enum { /* JPEG marker codes */ - M_SOF0 = 0xc0, - M_SOF1 = 0xc1, - M_SOF2 = 0xc2, - M_SOF3 = 0xc3, - - M_SOF5 = 0xc5, - M_SOF6 = 0xc6, - M_SOF7 = 0xc7, - - M_JPG = 0xc8, - M_SOF9 = 0xc9, - M_SOF10 = 0xca, - M_SOF11 = 0xcb, - - M_SOF13 = 0xcd, - M_SOF14 = 0xce, - M_SOF15 = 0xcf, - - M_DHT = 0xc4, - - M_DAC = 0xcc, - - M_RST0 = 0xd0, - M_RST1 = 0xd1, - M_RST2 = 0xd2, - M_RST3 = 0xd3, - M_RST4 = 0xd4, - M_RST5 = 0xd5, - M_RST6 = 0xd6, - M_RST7 = 0xd7, - - M_SOI = 0xd8, - M_EOI = 0xd9, - M_SOS = 0xda, - M_DQT = 0xdb, - M_DNL = 0xdc, - M_DRI = 0xdd, - M_DHP = 0xde, - M_EXP = 0xdf, - - M_APP0 = 0xe0, - M_APP1 = 0xe1, - M_APP2 = 0xe2, - M_APP3 = 0xe3, - M_APP4 = 0xe4, - M_APP5 = 0xe5, - M_APP6 = 0xe6, - M_APP7 = 0xe7, - M_APP8 = 0xe8, - M_APP9 = 0xe9, - M_APP10 = 0xea, - M_APP11 = 0xeb, - M_APP12 = 0xec, - M_APP13 = 0xed, - M_APP14 = 0xee, - M_APP15 = 0xef, - - M_JPG0 = 0xf0, - M_JPG13 = 0xfd, - M_COM = 0xfe, - - M_TEM = 0x01, - - M_ERROR = 0x100 -} JPEG_MARKER; - - -/* Private state */ - -typedef struct { - struct jpeg_marker_reader pub; /* public fields */ - - /* Application-overridable marker processing methods */ - jpeg_marker_parser_method process_COM; - jpeg_marker_parser_method process_APPn[16]; - - /* Limit on marker data length to save for each marker type */ - unsigned int length_limit_COM; - unsigned int length_limit_APPn[16]; - - /* Status of COM/APPn marker saving */ - jpeg_saved_marker_ptr cur_marker; /* NULL if not processing a marker */ - unsigned int bytes_read; /* data bytes read so far in marker */ - /* Note: cur_marker is not linked into marker_list until it's all read. */ -} my_marker_reader; - -typedef my_marker_reader * my_marker_ptr; - - -/* - * Macros for fetching data from the data source module. - * - * At all times, cinfo->src->next_input_byte and ->bytes_in_buffer reflect - * the current restart point; we update them only when we have reached a - * suitable place to restart if a suspension occurs. - */ - -/* Declare and initialize local copies of input pointer/count */ -#define INPUT_VARS(cinfo) \ - struct jpeg_source_mgr * datasrc = (cinfo)->src; \ - const JOCTET * next_input_byte = datasrc->next_input_byte; \ - size_t bytes_in_buffer = datasrc->bytes_in_buffer - -/* Unload the local copies --- do this only at a restart boundary */ -#define INPUT_SYNC(cinfo) \ - ( datasrc->next_input_byte = next_input_byte, \ - datasrc->bytes_in_buffer = bytes_in_buffer ) - -/* Reload the local copies --- used only in MAKE_BYTE_AVAIL */ -#define INPUT_RELOAD(cinfo) \ - ( next_input_byte = datasrc->next_input_byte, \ - bytes_in_buffer = datasrc->bytes_in_buffer ) - -/* Internal macro for INPUT_BYTE and INPUT_2BYTES: make a byte available. - * Note we do *not* do INPUT_SYNC before calling fill_input_buffer, - * but we must reload the local copies after a successful fill. - */ -#define MAKE_BYTE_AVAIL(cinfo,action) \ - if (bytes_in_buffer == 0) { \ - if (! (*datasrc->fill_input_buffer) (cinfo)) \ - { action; } \ - INPUT_RELOAD(cinfo); \ - } - -/* Read a byte into variable V. - * If must suspend, take the specified action (typically "return FALSE"). - */ -#define INPUT_BYTE(cinfo,V,action) \ - MAKESTMT( MAKE_BYTE_AVAIL(cinfo,action); \ - bytes_in_buffer--; \ - V = GETJOCTET(*next_input_byte++); ) - -/* As above, but read two bytes interpreted as an unsigned 16-bit integer. - * V should be declared unsigned int or perhaps INT32. - */ -#define INPUT_2BYTES(cinfo,V,action) \ - MAKESTMT( MAKE_BYTE_AVAIL(cinfo,action); \ - bytes_in_buffer--; \ - V = ((unsigned int) GETJOCTET(*next_input_byte++)) << 8; \ - MAKE_BYTE_AVAIL(cinfo,action); \ - bytes_in_buffer--; \ - V += GETJOCTET(*next_input_byte++); ) - - -/* - * Routines to process JPEG markers. - * - * Entry condition: JPEG marker itself has been read and its code saved - * in cinfo->unread_marker; input restart point is just after the marker. - * - * Exit: if return TRUE, have read and processed any parameters, and have - * updated the restart point to point after the parameters. - * If return FALSE, was forced to suspend before reaching end of - * marker parameters; restart point has not been moved. Same routine - * will be called again after application supplies more input data. - * - * This approach to suspension assumes that all of a marker's parameters - * can fit into a single input bufferload. This should hold for "normal" - * markers. Some COM/APPn markers might have large parameter segments - * that might not fit. If we are simply dropping such a marker, we use - * skip_input_data to get past it, and thereby put the problem on the - * source manager's shoulders. If we are saving the marker's contents - * into memory, we use a slightly different convention: when forced to - * suspend, the marker processor updates the restart point to the end of - * what it's consumed (ie, the end of the buffer) before returning FALSE. - * On resumption, cinfo->unread_marker still contains the marker code, - * but the data source will point to the next chunk of marker data. - * The marker processor must retain internal state to deal with this. - * - * Note that we don't bother to avoid duplicate trace messages if a - * suspension occurs within marker parameters. Other side effects - * require more care. - */ - - -LOCAL(boolean) -get_soi (j_decompress_ptr cinfo) -/* Process an SOI marker */ -{ - int i; - - TRACEMS(cinfo, 1, JTRC_SOI); - - if (cinfo->marker->saw_SOI) - ERREXIT(cinfo, JERR_SOI_DUPLICATE); - - /* Reset all parameters that are defined to be reset by SOI */ - - for (i = 0; i < NUM_ARITH_TBLS; i++) { - cinfo->arith_dc_L[i] = 0; - cinfo->arith_dc_U[i] = 1; - cinfo->arith_ac_K[i] = 5; - } - cinfo->restart_interval = 0; - - /* Set initial assumptions for colorspace etc */ - - cinfo->jpeg_color_space = JCS_UNKNOWN; - cinfo->CCIR601_sampling = FALSE; /* Assume non-CCIR sampling??? */ - - cinfo->saw_JFIF_marker = FALSE; - cinfo->JFIF_major_version = 1; /* set default JFIF APP0 values */ - cinfo->JFIF_minor_version = 1; - cinfo->density_unit = 0; - cinfo->X_density = 1; - cinfo->Y_density = 1; - cinfo->saw_Adobe_marker = FALSE; - cinfo->Adobe_transform = 0; - - cinfo->marker->saw_SOI = TRUE; - - return TRUE; -} - - -LOCAL(boolean) -get_sof (j_decompress_ptr cinfo, boolean is_prog, boolean is_arith) -/* Process a SOFn marker */ -{ - INT32 length; - int c, ci; - jpeg_component_info * compptr; - INPUT_VARS(cinfo); - - cinfo->progressive_mode = is_prog; - cinfo->arith_code = is_arith; - - INPUT_2BYTES(cinfo, length, return FALSE); - - INPUT_BYTE(cinfo, cinfo->data_precision, return FALSE); - INPUT_2BYTES(cinfo, cinfo->image_height, return FALSE); - INPUT_2BYTES(cinfo, cinfo->image_width, return FALSE); - INPUT_BYTE(cinfo, cinfo->num_components, return FALSE); - - length -= 8; - - TRACEMS4(cinfo, 1, JTRC_SOF, cinfo->unread_marker, - (int) cinfo->image_width, (int) cinfo->image_height, - cinfo->num_components); - - if (cinfo->marker->saw_SOF) - ERREXIT(cinfo, JERR_SOF_DUPLICATE); - - /* We don't support files in which the image height is initially specified */ - /* as 0 and is later redefined by DNL. As long as we have to check that, */ - /* might as well have a general sanity check. */ - if (cinfo->image_height <= 0 || cinfo->image_width <= 0 - || cinfo->num_components <= 0) - ERREXIT(cinfo, JERR_EMPTY_IMAGE); - - if (length != (cinfo->num_components * 3)) - ERREXIT(cinfo, JERR_BAD_LENGTH); - - if (cinfo->comp_info == NULL) /* do only once, even if suspend */ - cinfo->comp_info = (jpeg_component_info *) (*cinfo->mem->alloc_small) - ((j_common_ptr) cinfo, JPOOL_IMAGE, - cinfo->num_components * SIZEOF(jpeg_component_info)); - - for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; - ci++, compptr++) { - compptr->component_index = ci; - INPUT_BYTE(cinfo, compptr->component_id, return FALSE); - INPUT_BYTE(cinfo, c, return FALSE); - compptr->h_samp_factor = (c >> 4) & 15; - compptr->v_samp_factor = (c ) & 15; - INPUT_BYTE(cinfo, compptr->quant_tbl_no, return FALSE); - - TRACEMS4(cinfo, 1, JTRC_SOF_COMPONENT, - compptr->component_id, compptr->h_samp_factor, - compptr->v_samp_factor, compptr->quant_tbl_no); - } - - cinfo->marker->saw_SOF = TRUE; - - INPUT_SYNC(cinfo); - return TRUE; -} - - -LOCAL(boolean) -get_sos (j_decompress_ptr cinfo) -/* Process a SOS marker */ -{ - INT32 length; - int i, ci, n, c, cc; - jpeg_component_info * compptr; - INPUT_VARS(cinfo); - - if (! cinfo->marker->saw_SOF) - ERREXIT(cinfo, JERR_SOS_NO_SOF); - - INPUT_2BYTES(cinfo, length, return FALSE); - - INPUT_BYTE(cinfo, n, return FALSE); /* Number of components */ - - TRACEMS1(cinfo, 1, JTRC_SOS, n); - - if (length != (n * 2 + 6) || n < 1 || n > MAX_COMPS_IN_SCAN) - ERREXIT(cinfo, JERR_BAD_LENGTH); - - cinfo->comps_in_scan = n; - - /* Collect the component-spec parameters */ - - for (i = 0; i < n; i++) { - INPUT_BYTE(cinfo, cc, return FALSE); - INPUT_BYTE(cinfo, c, return FALSE); - - for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; - ci++, compptr++) { - if (cc == compptr->component_id) - goto id_found; - } - - ERREXIT1(cinfo, JERR_BAD_COMPONENT_ID, cc); - - id_found: - - cinfo->cur_comp_info[i] = compptr; - compptr->dc_tbl_no = (c >> 4) & 15; - compptr->ac_tbl_no = (c ) & 15; - - TRACEMS3(cinfo, 1, JTRC_SOS_COMPONENT, cc, - compptr->dc_tbl_no, compptr->ac_tbl_no); - } - - /* Collect the additional scan parameters Ss, Se, Ah/Al. */ - INPUT_BYTE(cinfo, c, return FALSE); - cinfo->Ss = c; - INPUT_BYTE(cinfo, c, return FALSE); - cinfo->Se = c; - INPUT_BYTE(cinfo, c, return FALSE); - cinfo->Ah = (c >> 4) & 15; - cinfo->Al = (c ) & 15; - - TRACEMS4(cinfo, 1, JTRC_SOS_PARAMS, cinfo->Ss, cinfo->Se, - cinfo->Ah, cinfo->Al); - - /* Prepare to scan data & restart markers */ - cinfo->marker->next_restart_num = 0; - - /* Count another SOS marker */ - cinfo->input_scan_number++; - - INPUT_SYNC(cinfo); - return TRUE; -} - - -#ifdef D_ARITH_CODING_SUPPORTED - -LOCAL(boolean) -get_dac (j_decompress_ptr cinfo) -/* Process a DAC marker */ -{ - INT32 length; - int index, val; - INPUT_VARS(cinfo); - - INPUT_2BYTES(cinfo, length, return FALSE); - length -= 2; - - while (length > 0) { - INPUT_BYTE(cinfo, index, return FALSE); - INPUT_BYTE(cinfo, val, return FALSE); - - length -= 2; - - TRACEMS2(cinfo, 1, JTRC_DAC, index, val); - - if (index < 0 || index >= (2*NUM_ARITH_TBLS)) - ERREXIT1(cinfo, JERR_DAC_INDEX, index); - - if (index >= NUM_ARITH_TBLS) { /* define AC table */ - cinfo->arith_ac_K[index-NUM_ARITH_TBLS] = (UINT8) val; - } else { /* define DC table */ - cinfo->arith_dc_L[index] = (UINT8) (val & 0x0F); - cinfo->arith_dc_U[index] = (UINT8) (val >> 4); - if (cinfo->arith_dc_L[index] > cinfo->arith_dc_U[index]) - ERREXIT1(cinfo, JERR_DAC_VALUE, val); - } - } - - if (length != 0) - ERREXIT(cinfo, JERR_BAD_LENGTH); - - INPUT_SYNC(cinfo); - return TRUE; -} - -#else /* ! D_ARITH_CODING_SUPPORTED */ - -#define get_dac(cinfo) skip_variable(cinfo) - -#endif /* D_ARITH_CODING_SUPPORTED */ - - -LOCAL(boolean) -get_dht (j_decompress_ptr cinfo) -/* Process a DHT marker */ -{ - INT32 length; - UINT8 bits[17]; - UINT8 huffval[256]; - int i, index, count; - JHUFF_TBL **htblptr; - INPUT_VARS(cinfo); - - INPUT_2BYTES(cinfo, length, return FALSE); - length -= 2; - - while (length > 16) { - INPUT_BYTE(cinfo, index, return FALSE); - - TRACEMS1(cinfo, 1, JTRC_DHT, index); - - bits[0] = 0; - count = 0; - for (i = 1; i <= 16; i++) { - INPUT_BYTE(cinfo, bits[i], return FALSE); - count += bits[i]; - } - - length -= 1 + 16; - - TRACEMS8(cinfo, 2, JTRC_HUFFBITS, - bits[1], bits[2], bits[3], bits[4], - bits[5], bits[6], bits[7], bits[8]); - TRACEMS8(cinfo, 2, JTRC_HUFFBITS, - bits[9], bits[10], bits[11], bits[12], - bits[13], bits[14], bits[15], bits[16]); - - /* Here we just do minimal validation of the counts to avoid walking - * off the end of our table space. jdhuff.c will check more carefully. - */ - if (count > 256 || ((INT32) count) > length) - ERREXIT(cinfo, JERR_BAD_HUFF_TABLE); - - for (i = 0; i < count; i++) - INPUT_BYTE(cinfo, huffval[i], return FALSE); - - length -= count; - - if (index & 0x10) { /* AC table definition */ - index -= 0x10; - htblptr = &cinfo->ac_huff_tbl_ptrs[index]; - } else { /* DC table definition */ - htblptr = &cinfo->dc_huff_tbl_ptrs[index]; - } - - if (index < 0 || index >= NUM_HUFF_TBLS) - ERREXIT1(cinfo, JERR_DHT_INDEX, index); - - if (*htblptr == NULL) - *htblptr = jpeg_alloc_huff_table((j_common_ptr) cinfo); - - MEMCOPY((*htblptr)->bits, bits, SIZEOF((*htblptr)->bits)); - MEMCOPY((*htblptr)->huffval, huffval, SIZEOF((*htblptr)->huffval)); - } - - if (length != 0) - ERREXIT(cinfo, JERR_BAD_LENGTH); - - INPUT_SYNC(cinfo); - return TRUE; -} - - -LOCAL(boolean) -get_dqt (j_decompress_ptr cinfo) -/* Process a DQT marker */ -{ - INT32 length; - int n, i, prec; - unsigned int tmp; - JQUANT_TBL *quant_ptr; - INPUT_VARS(cinfo); - - INPUT_2BYTES(cinfo, length, return FALSE); - length -= 2; - - while (length > 0) { - INPUT_BYTE(cinfo, n, return FALSE); - prec = n >> 4; - n &= 0x0F; - - TRACEMS2(cinfo, 1, JTRC_DQT, n, prec); - - if (n >= NUM_QUANT_TBLS) - ERREXIT1(cinfo, JERR_DQT_INDEX, n); - - if (cinfo->quant_tbl_ptrs[n] == NULL) - cinfo->quant_tbl_ptrs[n] = jpeg_alloc_quant_table((j_common_ptr) cinfo); - quant_ptr = cinfo->quant_tbl_ptrs[n]; - - for (i = 0; i < DCTSIZE2; i++) { - if (prec) - INPUT_2BYTES(cinfo, tmp, return FALSE); - else - INPUT_BYTE(cinfo, tmp, return FALSE); - /* We convert the zigzag-order table to natural array order. */ - quant_ptr->quantval[jpeg_natural_order[i]] = (UINT16) tmp; - } - - if (cinfo->err->trace_level >= 2) { - for (i = 0; i < DCTSIZE2; i += 8) { - TRACEMS8(cinfo, 2, JTRC_QUANTVALS, - quant_ptr->quantval[i], quant_ptr->quantval[i+1], - quant_ptr->quantval[i+2], quant_ptr->quantval[i+3], - quant_ptr->quantval[i+4], quant_ptr->quantval[i+5], - quant_ptr->quantval[i+6], quant_ptr->quantval[i+7]); - } - } - - length -= DCTSIZE2+1; - if (prec) length -= DCTSIZE2; - } - - if (length != 0) - ERREXIT(cinfo, JERR_BAD_LENGTH); - - INPUT_SYNC(cinfo); - return TRUE; -} - - -LOCAL(boolean) -get_dri (j_decompress_ptr cinfo) -/* Process a DRI marker */ -{ - INT32 length; - unsigned int tmp; - INPUT_VARS(cinfo); - - INPUT_2BYTES(cinfo, length, return FALSE); - - if (length != 4) - ERREXIT(cinfo, JERR_BAD_LENGTH); - - INPUT_2BYTES(cinfo, tmp, return FALSE); - - TRACEMS1(cinfo, 1, JTRC_DRI, tmp); - - cinfo->restart_interval = tmp; - - INPUT_SYNC(cinfo); - return TRUE; -} - - -/* - * Routines for processing APPn and COM markers. - * These are either saved in memory or discarded, per application request. - * APP0 and APP14 are specially checked to see if they are - * JFIF and Adobe markers, respectively. - */ - -#define APP0_DATA_LEN 14 /* Length of interesting data in APP0 */ -#define APP14_DATA_LEN 12 /* Length of interesting data in APP14 */ -#define APPN_DATA_LEN 14 /* Must be the largest of the above!! */ - - -LOCAL(void) -examine_app0 (j_decompress_ptr cinfo, JOCTET FAR * data, - unsigned int datalen, INT32 remaining) -/* Examine first few bytes from an APP0. - * Take appropriate action if it is a JFIF marker. - * datalen is # of bytes at data[], remaining is length of rest of marker data. - */ -{ - INT32 totallen = (INT32) datalen + remaining; - - if (datalen >= APP0_DATA_LEN && - GETJOCTET(data[0]) == 0x4A && - GETJOCTET(data[1]) == 0x46 && - GETJOCTET(data[2]) == 0x49 && - GETJOCTET(data[3]) == 0x46 && - GETJOCTET(data[4]) == 0) { - /* Found JFIF APP0 marker: save info */ - cinfo->saw_JFIF_marker = TRUE; - cinfo->JFIF_major_version = GETJOCTET(data[5]); - cinfo->JFIF_minor_version = GETJOCTET(data[6]); - cinfo->density_unit = GETJOCTET(data[7]); - cinfo->X_density = (GETJOCTET(data[8]) << 8) + GETJOCTET(data[9]); - cinfo->Y_density = (GETJOCTET(data[10]) << 8) + GETJOCTET(data[11]); - /* Check version. - * Major version must be 1, anything else signals an incompatible change. - * (We used to treat this as an error, but now it's a nonfatal warning, - * because some bozo at Hijaak couldn't read the spec.) - * Minor version should be 0..2, but process anyway if newer. - */ - if (cinfo->JFIF_major_version != 1) - WARNMS2(cinfo, JWRN_JFIF_MAJOR, - cinfo->JFIF_major_version, cinfo->JFIF_minor_version); - /* Generate trace messages */ - TRACEMS5(cinfo, 1, JTRC_JFIF, - cinfo->JFIF_major_version, cinfo->JFIF_minor_version, - cinfo->X_density, cinfo->Y_density, cinfo->density_unit); - /* Validate thumbnail dimensions and issue appropriate messages */ - if (GETJOCTET(data[12]) | GETJOCTET(data[13])) - TRACEMS2(cinfo, 1, JTRC_JFIF_THUMBNAIL, - GETJOCTET(data[12]), GETJOCTET(data[13])); - totallen -= APP0_DATA_LEN; - if (totallen != - ((INT32)GETJOCTET(data[12]) * (INT32)GETJOCTET(data[13]) * (INT32) 3)) - TRACEMS1(cinfo, 1, JTRC_JFIF_BADTHUMBNAILSIZE, (int) totallen); - } else if (datalen >= 6 && - GETJOCTET(data[0]) == 0x4A && - GETJOCTET(data[1]) == 0x46 && - GETJOCTET(data[2]) == 0x58 && - GETJOCTET(data[3]) == 0x58 && - GETJOCTET(data[4]) == 0) { - /* Found JFIF "JFXX" extension APP0 marker */ - /* The library doesn't actually do anything with these, - * but we try to produce a helpful trace message. - */ - switch (GETJOCTET(data[5])) { - case 0x10: - TRACEMS1(cinfo, 1, JTRC_THUMB_JPEG, (int) totallen); - break; - case 0x11: - TRACEMS1(cinfo, 1, JTRC_THUMB_PALETTE, (int) totallen); - break; - case 0x13: - TRACEMS1(cinfo, 1, JTRC_THUMB_RGB, (int) totallen); - break; - default: - TRACEMS2(cinfo, 1, JTRC_JFIF_EXTENSION, - GETJOCTET(data[5]), (int) totallen); - break; - } - } else { - /* Start of APP0 does not match "JFIF" or "JFXX", or too short */ - TRACEMS1(cinfo, 1, JTRC_APP0, (int) totallen); - } -} - - -LOCAL(void) -examine_app14 (j_decompress_ptr cinfo, JOCTET FAR * data, - unsigned int datalen, INT32 remaining) -/* Examine first few bytes from an APP14. - * Take appropriate action if it is an Adobe marker. - * datalen is # of bytes at data[], remaining is length of rest of marker data. - */ -{ - unsigned int version, flags0, flags1, transform; - - if (datalen >= APP14_DATA_LEN && - GETJOCTET(data[0]) == 0x41 && - GETJOCTET(data[1]) == 0x64 && - GETJOCTET(data[2]) == 0x6F && - GETJOCTET(data[3]) == 0x62 && - GETJOCTET(data[4]) == 0x65) { - /* Found Adobe APP14 marker */ - version = (GETJOCTET(data[5]) << 8) + GETJOCTET(data[6]); - flags0 = (GETJOCTET(data[7]) << 8) + GETJOCTET(data[8]); - flags1 = (GETJOCTET(data[9]) << 8) + GETJOCTET(data[10]); - transform = GETJOCTET(data[11]); - TRACEMS4(cinfo, 1, JTRC_ADOBE, version, flags0, flags1, transform); - cinfo->saw_Adobe_marker = TRUE; - cinfo->Adobe_transform = (UINT8) transform; - } else { - /* Start of APP14 does not match "Adobe", or too short */ - TRACEMS1(cinfo, 1, JTRC_APP14, (int) (datalen + remaining)); - } -} - - -METHODDEF(boolean) -get_interesting_appn (j_decompress_ptr cinfo) -/* Process an APP0 or APP14 marker without saving it */ -{ - INT32 length; - JOCTET b[APPN_DATA_LEN]; - unsigned int i, numtoread; - INPUT_VARS(cinfo); - - INPUT_2BYTES(cinfo, length, return FALSE); - length -= 2; - - /* get the interesting part of the marker data */ - if (length >= APPN_DATA_LEN) - numtoread = APPN_DATA_LEN; - else if (length > 0) - numtoread = (unsigned int) length; - else - numtoread = 0; - for (i = 0; i < numtoread; i++) - INPUT_BYTE(cinfo, b[i], return FALSE); - length -= numtoread; - - /* process it */ - switch (cinfo->unread_marker) { - case M_APP0: - examine_app0(cinfo, (JOCTET FAR *) b, numtoread, length); - break; - case M_APP14: - examine_app14(cinfo, (JOCTET FAR *) b, numtoread, length); - break; - default: - /* can't get here unless jpeg_save_markers chooses wrong processor */ - ERREXIT1(cinfo, JERR_UNKNOWN_MARKER, cinfo->unread_marker); - break; - } - - /* skip any remaining data -- could be lots */ - INPUT_SYNC(cinfo); - if (length > 0) - (*cinfo->src->skip_input_data) (cinfo, (long) length); - - return TRUE; -} - - -#ifdef SAVE_MARKERS_SUPPORTED - -METHODDEF(boolean) -save_marker (j_decompress_ptr cinfo) -/* Save an APPn or COM marker into the marker list */ -{ - my_marker_ptr marker = (my_marker_ptr) cinfo->marker; - jpeg_saved_marker_ptr cur_marker = marker->cur_marker; - unsigned int bytes_read, data_length; - JOCTET FAR * data; - INT32 length = 0; - INPUT_VARS(cinfo); - - if (cur_marker == NULL) { - /* begin reading a marker */ - INPUT_2BYTES(cinfo, length, return FALSE); - length -= 2; - if (length >= 0) { /* watch out for bogus length word */ - /* figure out how much we want to save */ - unsigned int limit; - if (cinfo->unread_marker == (int) M_COM) - limit = marker->length_limit_COM; - else - limit = marker->length_limit_APPn[cinfo->unread_marker - (int) M_APP0]; - if ((unsigned int) length < limit) - limit = (unsigned int) length; - /* allocate and initialize the marker item */ - cur_marker = (jpeg_saved_marker_ptr) - (*cinfo->mem->alloc_large) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(struct jpeg_marker_struct) + limit); - cur_marker->next = NULL; - cur_marker->marker = (UINT8) cinfo->unread_marker; - cur_marker->original_length = (unsigned int) length; - cur_marker->data_length = limit; - /* data area is just beyond the jpeg_marker_struct */ - data = cur_marker->data = (JOCTET FAR *) (cur_marker + 1); - marker->cur_marker = cur_marker; - marker->bytes_read = 0; - bytes_read = 0; - data_length = limit; - } else { - /* deal with bogus length word */ - bytes_read = data_length = 0; - data = NULL; - } - } else { - /* resume reading a marker */ - bytes_read = marker->bytes_read; - data_length = cur_marker->data_length; - data = cur_marker->data + bytes_read; - } - - while (bytes_read < data_length) { - INPUT_SYNC(cinfo); /* move the restart point to here */ - marker->bytes_read = bytes_read; - /* If there's not at least one byte in buffer, suspend */ - MAKE_BYTE_AVAIL(cinfo, return FALSE); - /* Copy bytes with reasonable rapidity */ - while (bytes_read < data_length && bytes_in_buffer > 0) { - *data++ = *next_input_byte++; - bytes_in_buffer--; - bytes_read++; - } - } - - /* Done reading what we want to read */ - if (cur_marker != NULL) { /* will be NULL if bogus length word */ - /* Add new marker to end of list */ - if (cinfo->marker_list == NULL) { - cinfo->marker_list = cur_marker; - } else { - jpeg_saved_marker_ptr prev = cinfo->marker_list; - while (prev->next != NULL) - prev = prev->next; - prev->next = cur_marker; - } - /* Reset pointer & calc remaining data length */ - data = cur_marker->data; - length = cur_marker->original_length - data_length; - } - /* Reset to initial state for next marker */ - marker->cur_marker = NULL; - - /* Process the marker if interesting; else just make a generic trace msg */ - switch (cinfo->unread_marker) { - case M_APP0: - examine_app0(cinfo, data, data_length, length); - break; - case M_APP14: - examine_app14(cinfo, data, data_length, length); - break; - default: - TRACEMS2(cinfo, 1, JTRC_MISC_MARKER, cinfo->unread_marker, - (int) (data_length + length)); - break; - } - - /* skip any remaining data -- could be lots */ - INPUT_SYNC(cinfo); /* do before skip_input_data */ - if (length > 0) - (*cinfo->src->skip_input_data) (cinfo, (long) length); - - return TRUE; -} - -#endif /* SAVE_MARKERS_SUPPORTED */ - - -METHODDEF(boolean) -skip_variable (j_decompress_ptr cinfo) -/* Skip over an unknown or uninteresting variable-length marker */ -{ - INT32 length; - INPUT_VARS(cinfo); - - INPUT_2BYTES(cinfo, length, return FALSE); - length -= 2; - - TRACEMS2(cinfo, 1, JTRC_MISC_MARKER, cinfo->unread_marker, (int) length); - - INPUT_SYNC(cinfo); /* do before skip_input_data */ - if (length > 0) - (*cinfo->src->skip_input_data) (cinfo, (long) length); - - return TRUE; -} - - -/* - * Find the next JPEG marker, save it in cinfo->unread_marker. - * Returns FALSE if had to suspend before reaching a marker; - * in that case cinfo->unread_marker is unchanged. - * - * Note that the result might not be a valid marker code, - * but it will never be 0 or FF. - */ - -LOCAL(boolean) -next_marker (j_decompress_ptr cinfo) -{ - int c; - INPUT_VARS(cinfo); - - for (;;) { - INPUT_BYTE(cinfo, c, return FALSE); - /* Skip any non-FF bytes. - * This may look a bit inefficient, but it will not occur in a valid file. - * We sync after each discarded byte so that a suspending data source - * can discard the byte from its buffer. - */ - while (c != 0xFF) { - cinfo->marker->discarded_bytes++; - INPUT_SYNC(cinfo); - INPUT_BYTE(cinfo, c, return FALSE); - } - /* This loop swallows any duplicate FF bytes. Extra FFs are legal as - * pad bytes, so don't count them in discarded_bytes. We assume there - * will not be so many consecutive FF bytes as to overflow a suspending - * data source's input buffer. - */ - do { - INPUT_BYTE(cinfo, c, return FALSE); - } while (c == 0xFF); - if (c != 0) - break; /* found a valid marker, exit loop */ - /* Reach here if we found a stuffed-zero data sequence (FF/00). - * Discard it and loop back to try again. - */ - cinfo->marker->discarded_bytes += 2; - INPUT_SYNC(cinfo); - } - - if (cinfo->marker->discarded_bytes != 0) { - WARNMS2(cinfo, JWRN_EXTRANEOUS_DATA, cinfo->marker->discarded_bytes, c); - cinfo->marker->discarded_bytes = 0; - } - - cinfo->unread_marker = c; - - INPUT_SYNC(cinfo); - return TRUE; -} - - -LOCAL(boolean) -first_marker (j_decompress_ptr cinfo) -/* Like next_marker, but used to obtain the initial SOI marker. */ -/* For this marker, we do not allow preceding garbage or fill; otherwise, - * we might well scan an entire input file before realizing it ain't JPEG. - * If an application wants to process non-JFIF files, it must seek to the - * SOI before calling the JPEG library. - */ -{ - int c, c2; - INPUT_VARS(cinfo); - - INPUT_BYTE(cinfo, c, return FALSE); - INPUT_BYTE(cinfo, c2, return FALSE); - if (c != 0xFF || c2 != (int) M_SOI) - ERREXIT2(cinfo, JERR_NO_SOI, c, c2); - - cinfo->unread_marker = c2; - - INPUT_SYNC(cinfo); - return TRUE; -} - - -/* - * Read markers until SOS or EOI. - * - * Returns same codes as are defined for jpeg_consume_input: - * JPEG_SUSPENDED, JPEG_REACHED_SOS, or JPEG_REACHED_EOI. - */ - -METHODDEF(int) -read_markers (j_decompress_ptr cinfo) -{ - /* Outer loop repeats once for each marker. */ - for (;;) { - /* Collect the marker proper, unless we already did. */ - /* NB: first_marker() enforces the requirement that SOI appear first. */ - if (cinfo->unread_marker == 0) { - if (! cinfo->marker->saw_SOI) { - if (! first_marker(cinfo)) - return JPEG_SUSPENDED; - } else { - if (! next_marker(cinfo)) - return JPEG_SUSPENDED; - } - } - /* At this point cinfo->unread_marker contains the marker code and the - * input point is just past the marker proper, but before any parameters. - * A suspension will cause us to return with this state still true. - */ - switch (cinfo->unread_marker) { - case M_SOI: - if (! get_soi(cinfo)) - return JPEG_SUSPENDED; - break; - - case M_SOF0: /* Baseline */ - case M_SOF1: /* Extended sequential, Huffman */ - if (! get_sof(cinfo, FALSE, FALSE)) - return JPEG_SUSPENDED; - break; - - case M_SOF2: /* Progressive, Huffman */ - if (! get_sof(cinfo, TRUE, FALSE)) - return JPEG_SUSPENDED; - break; - - case M_SOF9: /* Extended sequential, arithmetic */ - if (! get_sof(cinfo, FALSE, TRUE)) - return JPEG_SUSPENDED; - break; - - case M_SOF10: /* Progressive, arithmetic */ - if (! get_sof(cinfo, TRUE, TRUE)) - return JPEG_SUSPENDED; - break; - - /* Currently unsupported SOFn types */ - case M_SOF3: /* Lossless, Huffman */ - case M_SOF5: /* Differential sequential, Huffman */ - case M_SOF6: /* Differential progressive, Huffman */ - case M_SOF7: /* Differential lossless, Huffman */ - case M_JPG: /* Reserved for JPEG extensions */ - case M_SOF11: /* Lossless, arithmetic */ - case M_SOF13: /* Differential sequential, arithmetic */ - case M_SOF14: /* Differential progressive, arithmetic */ - case M_SOF15: /* Differential lossless, arithmetic */ - ERREXIT1(cinfo, JERR_SOF_UNSUPPORTED, cinfo->unread_marker); - break; - - case M_SOS: - if (! get_sos(cinfo)) - return JPEG_SUSPENDED; - cinfo->unread_marker = 0; /* processed the marker */ - return JPEG_REACHED_SOS; - - case M_EOI: - TRACEMS(cinfo, 1, JTRC_EOI); - cinfo->unread_marker = 0; /* processed the marker */ - return JPEG_REACHED_EOI; - - case M_DAC: - if (! get_dac(cinfo)) - return JPEG_SUSPENDED; - break; - - case M_DHT: - if (! get_dht(cinfo)) - return JPEG_SUSPENDED; - break; - - case M_DQT: - if (! get_dqt(cinfo)) - return JPEG_SUSPENDED; - break; - - case M_DRI: - if (! get_dri(cinfo)) - return JPEG_SUSPENDED; - break; - - case M_APP0: - case M_APP1: - case M_APP2: - case M_APP3: - case M_APP4: - case M_APP5: - case M_APP6: - case M_APP7: - case M_APP8: - case M_APP9: - case M_APP10: - case M_APP11: - case M_APP12: - case M_APP13: - case M_APP14: - case M_APP15: - if (! (*((my_marker_ptr) cinfo->marker)->process_APPn[ - cinfo->unread_marker - (int) M_APP0]) (cinfo)) - return JPEG_SUSPENDED; - break; - - case M_COM: - if (! (*((my_marker_ptr) cinfo->marker)->process_COM) (cinfo)) - return JPEG_SUSPENDED; - break; - - case M_RST0: /* these are all parameterless */ - case M_RST1: - case M_RST2: - case M_RST3: - case M_RST4: - case M_RST5: - case M_RST6: - case M_RST7: - case M_TEM: - TRACEMS1(cinfo, 1, JTRC_PARMLESS_MARKER, cinfo->unread_marker); - break; - - case M_DNL: /* Ignore DNL ... perhaps the wrong thing */ - if (! skip_variable(cinfo)) - return JPEG_SUSPENDED; - break; - - default: /* must be DHP, EXP, JPGn, or RESn */ - /* For now, we treat the reserved markers as fatal errors since they are - * likely to be used to signal incompatible JPEG Part 3 extensions. - * Once the JPEG 3 version-number marker is well defined, this code - * ought to change! - */ - ERREXIT1(cinfo, JERR_UNKNOWN_MARKER, cinfo->unread_marker); - break; - } - /* Successfully processed marker, so reset state variable */ - cinfo->unread_marker = 0; - } /* end loop */ -} - - -/* - * Read a restart marker, which is expected to appear next in the datastream; - * if the marker is not there, take appropriate recovery action. - * Returns FALSE if suspension is required. - * - * This is called by the entropy decoder after it has read an appropriate - * number of MCUs. cinfo->unread_marker may be nonzero if the entropy decoder - * has already read a marker from the data source. Under normal conditions - * cinfo->unread_marker will be reset to 0 before returning; if not reset, - * it holds a marker which the decoder will be unable to read past. - */ - -METHODDEF(boolean) -read_restart_marker (j_decompress_ptr cinfo) -{ - /* Obtain a marker unless we already did. */ - /* Note that next_marker will complain if it skips any data. */ - if (cinfo->unread_marker == 0) { - if (! next_marker(cinfo)) - return FALSE; - } - - if (cinfo->unread_marker == - ((int) M_RST0 + cinfo->marker->next_restart_num)) { - /* Normal case --- swallow the marker and let entropy decoder continue */ - TRACEMS1(cinfo, 3, JTRC_RST, cinfo->marker->next_restart_num); - cinfo->unread_marker = 0; - } else { - /* Uh-oh, the restart markers have been messed up. */ - /* Let the data source manager determine how to resync. */ - if (! (*cinfo->src->resync_to_restart) (cinfo, - cinfo->marker->next_restart_num)) - return FALSE; - } - - /* Update next-restart state */ - cinfo->marker->next_restart_num = (cinfo->marker->next_restart_num + 1) & 7; - - return TRUE; -} - - -/* - * This is the default resync_to_restart method for data source managers - * to use if they don't have any better approach. Some data source managers - * may be able to back up, or may have additional knowledge about the data - * which permits a more intelligent recovery strategy; such managers would - * presumably supply their own resync method. - * - * read_restart_marker calls resync_to_restart if it finds a marker other than - * the restart marker it was expecting. (This code is *not* used unless - * a nonzero restart interval has been declared.) cinfo->unread_marker is - * the marker code actually found (might be anything, except 0 or FF). - * The desired restart marker number (0..7) is passed as a parameter. - * This routine is supposed to apply whatever error recovery strategy seems - * appropriate in order to position the input stream to the next data segment. - * Note that cinfo->unread_marker is treated as a marker appearing before - * the current data-source input point; usually it should be reset to zero - * before returning. - * Returns FALSE if suspension is required. - * - * This implementation is substantially constrained by wanting to treat the - * input as a data stream; this means we can't back up. Therefore, we have - * only the following actions to work with: - * 1. Simply discard the marker and let the entropy decoder resume at next - * byte of file. - * 2. Read forward until we find another marker, discarding intervening - * data. (In theory we could look ahead within the current bufferload, - * without having to discard data if we don't find the desired marker. - * This idea is not implemented here, in part because it makes behavior - * dependent on buffer size and chance buffer-boundary positions.) - * 3. Leave the marker unread (by failing to zero cinfo->unread_marker). - * This will cause the entropy decoder to process an empty data segment, - * inserting dummy zeroes, and then we will reprocess the marker. - * - * #2 is appropriate if we think the desired marker lies ahead, while #3 is - * appropriate if the found marker is a future restart marker (indicating - * that we have missed the desired restart marker, probably because it got - * corrupted). - * We apply #2 or #3 if the found marker is a restart marker no more than - * two counts behind or ahead of the expected one. We also apply #2 if the - * found marker is not a legal JPEG marker code (it's certainly bogus data). - * If the found marker is a restart marker more than 2 counts away, we do #1 - * (too much risk that the marker is erroneous; with luck we will be able to - * resync at some future point). - * For any valid non-restart JPEG marker, we apply #3. This keeps us from - * overrunning the end of a scan. An implementation limited to single-scan - * files might find it better to apply #2 for markers other than EOI, since - * any other marker would have to be bogus data in that case. - */ - -GLOBAL(boolean) -jpeg_resync_to_restart (j_decompress_ptr cinfo, int desired) -{ - int marker = cinfo->unread_marker; - int action = 1; - - /* Always put up a warning. */ - WARNMS2(cinfo, JWRN_MUST_RESYNC, marker, desired); - - /* Outer loop handles repeated decision after scanning forward. */ - for (;;) { - if (marker < (int) M_SOF0) - action = 2; /* invalid marker */ - else if (marker < (int) M_RST0 || marker > (int) M_RST7) - action = 3; /* valid non-restart marker */ - else { - if (marker == ((int) M_RST0 + ((desired+1) & 7)) || - marker == ((int) M_RST0 + ((desired+2) & 7))) - action = 3; /* one of the next two expected restarts */ - else if (marker == ((int) M_RST0 + ((desired-1) & 7)) || - marker == ((int) M_RST0 + ((desired-2) & 7))) - action = 2; /* a prior restart, so advance */ - else - action = 1; /* desired restart or too far away */ - } - TRACEMS2(cinfo, 4, JTRC_RECOVERY_ACTION, marker, action); - switch (action) { - case 1: - /* Discard marker and let entropy decoder resume processing. */ - cinfo->unread_marker = 0; - return TRUE; - case 2: - /* Scan to the next marker, and repeat the decision loop. */ - if (! next_marker(cinfo)) - return FALSE; - marker = cinfo->unread_marker; - break; - case 3: - /* Return without advancing past this marker. */ - /* Entropy decoder will be forced to process an empty segment. */ - return TRUE; - } - } /* end loop */ -} - - -/* - * Reset marker processing state to begin a fresh datastream. - */ - -METHODDEF(void) -reset_marker_reader (j_decompress_ptr cinfo) -{ - my_marker_ptr marker = (my_marker_ptr) cinfo->marker; - - cinfo->comp_info = NULL; /* until allocated by get_sof */ - cinfo->input_scan_number = 0; /* no SOS seen yet */ - cinfo->unread_marker = 0; /* no pending marker */ - marker->pub.saw_SOI = FALSE; /* set internal state too */ - marker->pub.saw_SOF = FALSE; - marker->pub.discarded_bytes = 0; - marker->cur_marker = NULL; -} - - -/* - * Initialize the marker reader module. - * This is called only once, when the decompression object is created. - */ - -GLOBAL(void) -jinit_marker_reader (j_decompress_ptr cinfo) -{ - my_marker_ptr marker; - int i; - - /* Create subobject in permanent pool */ - marker = (my_marker_ptr) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT, - SIZEOF(my_marker_reader)); - cinfo->marker = (struct jpeg_marker_reader *) marker; - /* Initialize public method pointers */ - marker->pub.reset_marker_reader = reset_marker_reader; - marker->pub.read_markers = read_markers; - marker->pub.read_restart_marker = read_restart_marker; - /* Initialize COM/APPn processing. - * By default, we examine and then discard APP0 and APP14, - * but simply discard COM and all other APPn. - */ - marker->process_COM = skip_variable; - marker->length_limit_COM = 0; - for (i = 0; i < 16; i++) { - marker->process_APPn[i] = skip_variable; - marker->length_limit_APPn[i] = 0; - } - marker->process_APPn[0] = get_interesting_appn; - marker->process_APPn[14] = get_interesting_appn; - /* Reset marker processing state */ - reset_marker_reader(cinfo); -} - - -/* - * Control saving of COM and APPn markers into marker_list. - */ - -#ifdef SAVE_MARKERS_SUPPORTED - -GLOBAL(void) -jpeg_save_markers (j_decompress_ptr cinfo, int marker_code, - unsigned int length_limit) -{ - my_marker_ptr marker = (my_marker_ptr) cinfo->marker; - long maxlength; - jpeg_marker_parser_method processor; - - /* Length limit mustn't be larger than what we can allocate - * (should only be a concern in a 16-bit environment). - */ - maxlength = cinfo->mem->max_alloc_chunk - SIZEOF(struct jpeg_marker_struct); - if (((long) length_limit) > maxlength) - length_limit = (unsigned int) maxlength; - - /* Choose processor routine to use. - * APP0/APP14 have special requirements. - */ - if (length_limit) { - processor = save_marker; - /* If saving APP0/APP14, save at least enough for our internal use. */ - if (marker_code == (int) M_APP0 && length_limit < APP0_DATA_LEN) - length_limit = APP0_DATA_LEN; - else if (marker_code == (int) M_APP14 && length_limit < APP14_DATA_LEN) - length_limit = APP14_DATA_LEN; - } else { - processor = skip_variable; - /* If discarding APP0/APP14, use our regular on-the-fly processor. */ - if (marker_code == (int) M_APP0 || marker_code == (int) M_APP14) - processor = get_interesting_appn; - } - - if (marker_code == (int) M_COM) { - marker->process_COM = processor; - marker->length_limit_COM = length_limit; - } else if (marker_code >= (int) M_APP0 && marker_code <= (int) M_APP15) { - marker->process_APPn[marker_code - (int) M_APP0] = processor; - marker->length_limit_APPn[marker_code - (int) M_APP0] = length_limit; - } else - ERREXIT1(cinfo, JERR_UNKNOWN_MARKER, marker_code); -} - -#endif /* SAVE_MARKERS_SUPPORTED */ - - -/* - * Install a special processing method for COM or APPn markers. - */ - -GLOBAL(void) -jpeg_set_marker_processor (j_decompress_ptr cinfo, int marker_code, - jpeg_marker_parser_method routine) -{ - my_marker_ptr marker = (my_marker_ptr) cinfo->marker; - - if (marker_code == (int) M_COM) - marker->process_COM = routine; - else if (marker_code >= (int) M_APP0 && marker_code <= (int) M_APP15) - marker->process_APPn[marker_code - (int) M_APP0] = routine; - else - ERREXIT1(cinfo, JERR_UNKNOWN_MARKER, marker_code); -} diff --git a/common/jpeg/jdmaster.c b/common/jpeg/jdmaster.c deleted file mode 100644 index 8314b67d..00000000 --- a/common/jpeg/jdmaster.c +++ /dev/null @@ -1,568 +0,0 @@ -/* - * jdmaster.c - * - * Copyright (C) 1991-1997, Thomas G. Lane. - * Copyright (C) 2009, D. R. Commander. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains master control logic for the JPEG decompressor. - * These routines are concerned with selecting the modules to be executed - * and with determining the number of passes and the work to be done in each - * pass. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" - - -/* Private state */ - -typedef struct { - struct jpeg_decomp_master pub; /* public fields */ - - int pass_number; /* # of passes completed */ - - boolean using_merged_upsample; /* TRUE if using merged upsample/cconvert */ - - /* Saved references to initialized quantizer modules, - * in case we need to switch modes. - */ - struct jpeg_color_quantizer * quantizer_1pass; - struct jpeg_color_quantizer * quantizer_2pass; -} my_decomp_master; - -typedef my_decomp_master * my_master_ptr; - - -/* - * Determine whether merged upsample/color conversion should be used. - * CRUCIAL: this must match the actual capabilities of jdmerge.c! - */ - -LOCAL(boolean) -use_merged_upsample (j_decompress_ptr cinfo) -{ -#ifdef UPSAMPLE_MERGING_SUPPORTED - /* Merging is the equivalent of plain box-filter upsampling */ - if (cinfo->do_fancy_upsampling || cinfo->CCIR601_sampling) - return FALSE; - /* jdmerge.c only supports YCC=>RGB color conversion */ - if (cinfo->jpeg_color_space != JCS_YCbCr || cinfo->num_components != 3 || - (cinfo->out_color_space != JCS_RGB && - cinfo->out_color_space != JCS_EXT_RGB && - cinfo->out_color_space != JCS_EXT_RGBX && - cinfo->out_color_space != JCS_EXT_BGR && - cinfo->out_color_space != JCS_EXT_BGRX && - cinfo->out_color_space != JCS_EXT_XBGR && - cinfo->out_color_space != JCS_EXT_XRGB) || - cinfo->out_color_components != rgb_pixelsize[cinfo->out_color_space]) - return FALSE; - /* and it only handles 2h1v or 2h2v sampling ratios */ - if (cinfo->comp_info[0].h_samp_factor != 2 || - cinfo->comp_info[1].h_samp_factor != 1 || - cinfo->comp_info[2].h_samp_factor != 1 || - cinfo->comp_info[0].v_samp_factor > 2 || - cinfo->comp_info[1].v_samp_factor != 1 || - cinfo->comp_info[2].v_samp_factor != 1) - return FALSE; - /* furthermore, it doesn't work if we've scaled the IDCTs differently */ - if (cinfo->comp_info[0].DCT_scaled_size != cinfo->min_DCT_scaled_size || - cinfo->comp_info[1].DCT_scaled_size != cinfo->min_DCT_scaled_size || - cinfo->comp_info[2].DCT_scaled_size != cinfo->min_DCT_scaled_size) - return FALSE; - /* ??? also need to test for upsample-time rescaling, when & if supported */ - return TRUE; /* by golly, it'll work... */ -#else - return FALSE; -#endif -} - - -/* - * Compute output image dimensions and related values. - * NOTE: this is exported for possible use by application. - * Hence it mustn't do anything that can't be done twice. - * Also note that it may be called before the master module is initialized! - */ - -GLOBAL(void) -jpeg_calc_output_dimensions (j_decompress_ptr cinfo) -/* Do computations that are needed before master selection phase */ -{ -#ifdef IDCT_SCALING_SUPPORTED - int ci; - jpeg_component_info *compptr; -#endif - - /* Prevent application from calling me at wrong times */ - if (cinfo->global_state != DSTATE_READY) - ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); - -#ifdef IDCT_SCALING_SUPPORTED - - /* Compute actual output image dimensions and DCT scaling choices. */ - if (cinfo->scale_num * 8 <= cinfo->scale_denom) { - /* Provide 1/8 scaling */ - cinfo->output_width = (JDIMENSION) - jdiv_round_up((long) cinfo->image_width, 8L); - cinfo->output_height = (JDIMENSION) - jdiv_round_up((long) cinfo->image_height, 8L); - cinfo->min_DCT_scaled_size = 1; - } else if (cinfo->scale_num * 4 <= cinfo->scale_denom) { - /* Provide 1/4 scaling */ - cinfo->output_width = (JDIMENSION) - jdiv_round_up((long) cinfo->image_width, 4L); - cinfo->output_height = (JDIMENSION) - jdiv_round_up((long) cinfo->image_height, 4L); - cinfo->min_DCT_scaled_size = 2; - } else if (cinfo->scale_num * 2 <= cinfo->scale_denom) { - /* Provide 1/2 scaling */ - cinfo->output_width = (JDIMENSION) - jdiv_round_up((long) cinfo->image_width, 2L); - cinfo->output_height = (JDIMENSION) - jdiv_round_up((long) cinfo->image_height, 2L); - cinfo->min_DCT_scaled_size = 4; - } else { - /* Provide 1/1 scaling */ - cinfo->output_width = cinfo->image_width; - cinfo->output_height = cinfo->image_height; - cinfo->min_DCT_scaled_size = DCTSIZE; - } - /* In selecting the actual DCT scaling for each component, we try to - * scale up the chroma components via IDCT scaling rather than upsampling. - * This saves time if the upsampler gets to use 1:1 scaling. - * Note this code assumes that the supported DCT scalings are powers of 2. - */ - for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; - ci++, compptr++) { - int ssize = cinfo->min_DCT_scaled_size; - while (ssize < DCTSIZE && - (compptr->h_samp_factor * ssize * 2 <= - cinfo->max_h_samp_factor * cinfo->min_DCT_scaled_size) && - (compptr->v_samp_factor * ssize * 2 <= - cinfo->max_v_samp_factor * cinfo->min_DCT_scaled_size)) { - ssize = ssize * 2; - } - compptr->DCT_scaled_size = ssize; - } - - /* Recompute downsampled dimensions of components; - * application needs to know these if using raw downsampled data. - */ - for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; - ci++, compptr++) { - /* Size in samples, after IDCT scaling */ - compptr->downsampled_width = (JDIMENSION) - jdiv_round_up((long) cinfo->image_width * - (long) (compptr->h_samp_factor * compptr->DCT_scaled_size), - (long) (cinfo->max_h_samp_factor * DCTSIZE)); - compptr->downsampled_height = (JDIMENSION) - jdiv_round_up((long) cinfo->image_height * - (long) (compptr->v_samp_factor * compptr->DCT_scaled_size), - (long) (cinfo->max_v_samp_factor * DCTSIZE)); - } - -#else /* !IDCT_SCALING_SUPPORTED */ - - /* Hardwire it to "no scaling" */ - cinfo->output_width = cinfo->image_width; - cinfo->output_height = cinfo->image_height; - /* jdinput.c has already initialized DCT_scaled_size to DCTSIZE, - * and has computed unscaled downsampled_width and downsampled_height. - */ - -#endif /* IDCT_SCALING_SUPPORTED */ - - /* Report number of components in selected colorspace. */ - /* Probably this should be in the color conversion module... */ - switch (cinfo->out_color_space) { - case JCS_GRAYSCALE: - cinfo->out_color_components = 1; - break; - case JCS_RGB: - case JCS_EXT_RGB: - case JCS_EXT_RGBX: - case JCS_EXT_BGR: - case JCS_EXT_BGRX: - case JCS_EXT_XBGR: - case JCS_EXT_XRGB: - cinfo->out_color_components = rgb_pixelsize[cinfo->out_color_space]; - break; - case JCS_YCbCr: - cinfo->out_color_components = 3; - break; - case JCS_CMYK: - case JCS_YCCK: - cinfo->out_color_components = 4; - break; - default: /* else must be same colorspace as in file */ - cinfo->out_color_components = cinfo->num_components; - break; - } - cinfo->output_components = (cinfo->quantize_colors ? 1 : - cinfo->out_color_components); - - /* See if upsampler will want to emit more than one row at a time */ - if (use_merged_upsample(cinfo)) - cinfo->rec_outbuf_height = cinfo->max_v_samp_factor; - else - cinfo->rec_outbuf_height = 1; -} - - -/* - * Several decompression processes need to range-limit values to the range - * 0..MAXJSAMPLE; the input value may fall somewhat outside this range - * due to noise introduced by quantization, roundoff error, etc. These - * processes are inner loops and need to be as fast as possible. On most - * machines, particularly CPUs with pipelines or instruction prefetch, - * a (subscript-check-less) C table lookup - * x = sample_range_limit[x]; - * is faster than explicit tests - * if (x < 0) x = 0; - * else if (x > MAXJSAMPLE) x = MAXJSAMPLE; - * These processes all use a common table prepared by the routine below. - * - * For most steps we can mathematically guarantee that the initial value - * of x is within MAXJSAMPLE+1 of the legal range, so a table running from - * -(MAXJSAMPLE+1) to 2*MAXJSAMPLE+1 is sufficient. But for the initial - * limiting step (just after the IDCT), a wildly out-of-range value is - * possible if the input data is corrupt. To avoid any chance of indexing - * off the end of memory and getting a bad-pointer trap, we perform the - * post-IDCT limiting thus: - * x = range_limit[x & MASK]; - * where MASK is 2 bits wider than legal sample data, ie 10 bits for 8-bit - * samples. Under normal circumstances this is more than enough range and - * a correct output will be generated; with bogus input data the mask will - * cause wraparound, and we will safely generate a bogus-but-in-range output. - * For the post-IDCT step, we want to convert the data from signed to unsigned - * representation by adding CENTERJSAMPLE at the same time that we limit it. - * So the post-IDCT limiting table ends up looking like this: - * CENTERJSAMPLE,CENTERJSAMPLE+1,...,MAXJSAMPLE, - * MAXJSAMPLE (repeat 2*(MAXJSAMPLE+1)-CENTERJSAMPLE times), - * 0 (repeat 2*(MAXJSAMPLE+1)-CENTERJSAMPLE times), - * 0,1,...,CENTERJSAMPLE-1 - * Negative inputs select values from the upper half of the table after - * masking. - * - * We can save some space by overlapping the start of the post-IDCT table - * with the simpler range limiting table. The post-IDCT table begins at - * sample_range_limit + CENTERJSAMPLE. - * - * Note that the table is allocated in near data space on PCs; it's small - * enough and used often enough to justify this. - */ - -LOCAL(void) -prepare_range_limit_table (j_decompress_ptr cinfo) -/* Allocate and fill in the sample_range_limit table */ -{ - JSAMPLE * table; - int i; - - table = (JSAMPLE *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - (5 * (MAXJSAMPLE+1) + CENTERJSAMPLE) * SIZEOF(JSAMPLE)); - table += (MAXJSAMPLE+1); /* allow negative subscripts of simple table */ - cinfo->sample_range_limit = table; - /* First segment of "simple" table: limit[x] = 0 for x < 0 */ - MEMZERO(table - (MAXJSAMPLE+1), (MAXJSAMPLE+1) * SIZEOF(JSAMPLE)); - /* Main part of "simple" table: limit[x] = x */ - for (i = 0; i <= MAXJSAMPLE; i++) - table[i] = (JSAMPLE) i; - table += CENTERJSAMPLE; /* Point to where post-IDCT table starts */ - /* End of simple table, rest of first half of post-IDCT table */ - for (i = CENTERJSAMPLE; i < 2*(MAXJSAMPLE+1); i++) - table[i] = MAXJSAMPLE; - /* Second half of post-IDCT table */ - MEMZERO(table + (2 * (MAXJSAMPLE+1)), - (2 * (MAXJSAMPLE+1) - CENTERJSAMPLE) * SIZEOF(JSAMPLE)); - MEMCOPY(table + (4 * (MAXJSAMPLE+1) - CENTERJSAMPLE), - cinfo->sample_range_limit, CENTERJSAMPLE * SIZEOF(JSAMPLE)); -} - - -/* - * Master selection of decompression modules. - * This is done once at jpeg_start_decompress time. We determine - * which modules will be used and give them appropriate initialization calls. - * We also initialize the decompressor input side to begin consuming data. - * - * Since jpeg_read_header has finished, we know what is in the SOF - * and (first) SOS markers. We also have all the application parameter - * settings. - */ - -LOCAL(void) -master_selection (j_decompress_ptr cinfo) -{ - my_master_ptr master = (my_master_ptr) cinfo->master; - boolean use_c_buffer; - long samplesperrow; - JDIMENSION jd_samplesperrow; - - /* Initialize dimensions and other stuff */ - jpeg_calc_output_dimensions(cinfo); - prepare_range_limit_table(cinfo); - - /* Width of an output scanline must be representable as JDIMENSION. */ - samplesperrow = (long) cinfo->output_width * (long) cinfo->out_color_components; - jd_samplesperrow = (JDIMENSION) samplesperrow; - if ((long) jd_samplesperrow != samplesperrow) - ERREXIT(cinfo, JERR_WIDTH_OVERFLOW); - - /* Initialize my private state */ - master->pass_number = 0; - master->using_merged_upsample = use_merged_upsample(cinfo); - - /* Color quantizer selection */ - master->quantizer_1pass = NULL; - master->quantizer_2pass = NULL; - /* No mode changes if not using buffered-image mode. */ - if (! cinfo->quantize_colors || ! cinfo->buffered_image) { - cinfo->enable_1pass_quant = FALSE; - cinfo->enable_external_quant = FALSE; - cinfo->enable_2pass_quant = FALSE; - } - if (cinfo->quantize_colors) { - if (cinfo->raw_data_out) - ERREXIT(cinfo, JERR_NOTIMPL); - /* 2-pass quantizer only works in 3-component color space. */ - if (cinfo->out_color_components != 3) { - cinfo->enable_1pass_quant = TRUE; - cinfo->enable_external_quant = FALSE; - cinfo->enable_2pass_quant = FALSE; - cinfo->colormap = NULL; - } else if (cinfo->colormap != NULL) { - cinfo->enable_external_quant = TRUE; - } else if (cinfo->two_pass_quantize) { - cinfo->enable_2pass_quant = TRUE; - } else { - cinfo->enable_1pass_quant = TRUE; - } - - if (cinfo->enable_1pass_quant) { -#ifdef QUANT_1PASS_SUPPORTED - jinit_1pass_quantizer(cinfo); - master->quantizer_1pass = cinfo->cquantize; -#else - ERREXIT(cinfo, JERR_NOT_COMPILED); -#endif - } - - /* We use the 2-pass code to map to external colormaps. */ - if (cinfo->enable_2pass_quant || cinfo->enable_external_quant) { -#ifdef QUANT_2PASS_SUPPORTED - jinit_2pass_quantizer(cinfo); - master->quantizer_2pass = cinfo->cquantize; -#else - ERREXIT(cinfo, JERR_NOT_COMPILED); -#endif - } - /* If both quantizers are initialized, the 2-pass one is left active; - * this is necessary for starting with quantization to an external map. - */ - } - - /* Post-processing: in particular, color conversion first */ - if (! cinfo->raw_data_out) { - if (master->using_merged_upsample) { -#ifdef UPSAMPLE_MERGING_SUPPORTED - jinit_merged_upsampler(cinfo); /* does color conversion too */ -#else - ERREXIT(cinfo, JERR_NOT_COMPILED); -#endif - } else { - jinit_color_deconverter(cinfo); - jinit_upsampler(cinfo); - } - jinit_d_post_controller(cinfo, cinfo->enable_2pass_quant); - } - /* Inverse DCT */ - jinit_inverse_dct(cinfo); - /* Entropy decoding: either Huffman or arithmetic coding. */ - if (cinfo->arith_code) { - ERREXIT(cinfo, JERR_ARITH_NOTIMPL); - } else { - if (cinfo->progressive_mode) { -#ifdef D_PROGRESSIVE_SUPPORTED - jinit_phuff_decoder(cinfo); -#else - ERREXIT(cinfo, JERR_NOT_COMPILED); -#endif - } else - jinit_huff_decoder(cinfo); - } - - /* Initialize principal buffer controllers. */ - use_c_buffer = cinfo->inputctl->has_multiple_scans || cinfo->buffered_image; - jinit_d_coef_controller(cinfo, use_c_buffer); - - if (! cinfo->raw_data_out) - jinit_d_main_controller(cinfo, FALSE /* never need full buffer here */); - - /* We can now tell the memory manager to allocate virtual arrays. */ - (*cinfo->mem->realize_virt_arrays) ((j_common_ptr) cinfo); - - /* Initialize input side of decompressor to consume first scan. */ - (*cinfo->inputctl->start_input_pass) (cinfo); - -#ifdef D_MULTISCAN_FILES_SUPPORTED - /* If jpeg_start_decompress will read the whole file, initialize - * progress monitoring appropriately. The input step is counted - * as one pass. - */ - if (cinfo->progress != NULL && ! cinfo->buffered_image && - cinfo->inputctl->has_multiple_scans) { - int nscans; - /* Estimate number of scans to set pass_limit. */ - if (cinfo->progressive_mode) { - /* Arbitrarily estimate 2 interleaved DC scans + 3 AC scans/component. */ - nscans = 2 + 3 * cinfo->num_components; - } else { - /* For a nonprogressive multiscan file, estimate 1 scan per component. */ - nscans = cinfo->num_components; - } - cinfo->progress->pass_counter = 0L; - cinfo->progress->pass_limit = (long) cinfo->total_iMCU_rows * nscans; - cinfo->progress->completed_passes = 0; - cinfo->progress->total_passes = (cinfo->enable_2pass_quant ? 3 : 2); - /* Count the input pass as done */ - master->pass_number++; - } -#endif /* D_MULTISCAN_FILES_SUPPORTED */ -} - - -/* - * Per-pass setup. - * This is called at the beginning of each output pass. We determine which - * modules will be active during this pass and give them appropriate - * start_pass calls. We also set is_dummy_pass to indicate whether this - * is a "real" output pass or a dummy pass for color quantization. - * (In the latter case, jdapistd.c will crank the pass to completion.) - */ - -METHODDEF(void) -prepare_for_output_pass (j_decompress_ptr cinfo) -{ - my_master_ptr master = (my_master_ptr) cinfo->master; - - if (master->pub.is_dummy_pass) { -#ifdef QUANT_2PASS_SUPPORTED - /* Final pass of 2-pass quantization */ - master->pub.is_dummy_pass = FALSE; - (*cinfo->cquantize->start_pass) (cinfo, FALSE); - (*cinfo->post->start_pass) (cinfo, JBUF_CRANK_DEST); - (*cinfo->main->start_pass) (cinfo, JBUF_CRANK_DEST); -#else - ERREXIT(cinfo, JERR_NOT_COMPILED); -#endif /* QUANT_2PASS_SUPPORTED */ - } else { - if (cinfo->quantize_colors && cinfo->colormap == NULL) { - /* Select new quantization method */ - if (cinfo->two_pass_quantize && cinfo->enable_2pass_quant) { - cinfo->cquantize = master->quantizer_2pass; - master->pub.is_dummy_pass = TRUE; - } else if (cinfo->enable_1pass_quant) { - cinfo->cquantize = master->quantizer_1pass; - } else { - ERREXIT(cinfo, JERR_MODE_CHANGE); - } - } - (*cinfo->idct->start_pass) (cinfo); - (*cinfo->coef->start_output_pass) (cinfo); - if (! cinfo->raw_data_out) { - if (! master->using_merged_upsample) - (*cinfo->cconvert->start_pass) (cinfo); - (*cinfo->upsample->start_pass) (cinfo); - if (cinfo->quantize_colors) - (*cinfo->cquantize->start_pass) (cinfo, master->pub.is_dummy_pass); - (*cinfo->post->start_pass) (cinfo, - (master->pub.is_dummy_pass ? JBUF_SAVE_AND_PASS : JBUF_PASS_THRU)); - (*cinfo->main->start_pass) (cinfo, JBUF_PASS_THRU); - } - } - - /* Set up progress monitor's pass info if present */ - if (cinfo->progress != NULL) { - cinfo->progress->completed_passes = master->pass_number; - cinfo->progress->total_passes = master->pass_number + - (master->pub.is_dummy_pass ? 2 : 1); - /* In buffered-image mode, we assume one more output pass if EOI not - * yet reached, but no more passes if EOI has been reached. - */ - if (cinfo->buffered_image && ! cinfo->inputctl->eoi_reached) { - cinfo->progress->total_passes += (cinfo->enable_2pass_quant ? 2 : 1); - } - } -} - - -/* - * Finish up at end of an output pass. - */ - -METHODDEF(void) -finish_output_pass (j_decompress_ptr cinfo) -{ - my_master_ptr master = (my_master_ptr) cinfo->master; - - if (cinfo->quantize_colors) - (*cinfo->cquantize->finish_pass) (cinfo); - master->pass_number++; -} - - -#ifdef D_MULTISCAN_FILES_SUPPORTED - -/* - * Switch to a new external colormap between output passes. - */ - -GLOBAL(void) -jpeg_new_colormap (j_decompress_ptr cinfo) -{ - my_master_ptr master = (my_master_ptr) cinfo->master; - - /* Prevent application from calling me at wrong times */ - if (cinfo->global_state != DSTATE_BUFIMAGE) - ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); - - if (cinfo->quantize_colors && cinfo->enable_external_quant && - cinfo->colormap != NULL) { - /* Select 2-pass quantizer for external colormap use */ - cinfo->cquantize = master->quantizer_2pass; - /* Notify quantizer of colormap change */ - (*cinfo->cquantize->new_color_map) (cinfo); - master->pub.is_dummy_pass = FALSE; /* just in case */ - } else - ERREXIT(cinfo, JERR_MODE_CHANGE); -} - -#endif /* D_MULTISCAN_FILES_SUPPORTED */ - - -/* - * Initialize master decompression control and select active modules. - * This is performed at the start of jpeg_start_decompress. - */ - -GLOBAL(void) -jinit_master_decompress (j_decompress_ptr cinfo) -{ - my_master_ptr master; - - master = (my_master_ptr) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(my_decomp_master)); - cinfo->master = (struct jpeg_decomp_master *) master; - master->pub.prepare_for_output_pass = prepare_for_output_pass; - master->pub.finish_output_pass = finish_output_pass; - - master->pub.is_dummy_pass = FALSE; - - master_selection(cinfo); -} diff --git a/common/jpeg/jdmerge.c b/common/jpeg/jdmerge.c deleted file mode 100644 index edf061a7..00000000 --- a/common/jpeg/jdmerge.c +++ /dev/null @@ -1,409 +0,0 @@ -/* - * jdmerge.c - * - * Copyright (C) 1994-1996, Thomas G. Lane. - * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB - * Copyright (C) 2009, D. R. Commander. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains code for merged upsampling/color conversion. - * - * This file combines functions from jdsample.c and jdcolor.c; - * read those files first to understand what's going on. - * - * When the chroma components are to be upsampled by simple replication - * (ie, box filtering), we can save some work in color conversion by - * calculating all the output pixels corresponding to a pair of chroma - * samples at one time. In the conversion equations - * R = Y + K1 * Cr - * G = Y + K2 * Cb + K3 * Cr - * B = Y + K4 * Cb - * only the Y term varies among the group of pixels corresponding to a pair - * of chroma samples, so the rest of the terms can be calculated just once. - * At typical sampling ratios, this eliminates half or three-quarters of the - * multiplications needed for color conversion. - * - * This file currently provides implementations for the following cases: - * YCbCr => RGB color conversion only. - * Sampling ratios of 2h1v or 2h2v. - * No scaling needed at upsample time. - * Corner-aligned (non-CCIR601) sampling alignment. - * Other special cases could be added, but in most applications these are - * the only common cases. (For uncommon cases we fall back on the more - * general code in jdsample.c and jdcolor.c.) - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" -#include "jsimd.h" - -#ifdef UPSAMPLE_MERGING_SUPPORTED - - -/* Private subobject */ - -typedef struct { - struct jpeg_upsampler pub; /* public fields */ - - /* Pointer to routine to do actual upsampling/conversion of one row group */ - JMETHOD(void, upmethod, (j_decompress_ptr cinfo, - JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr, - JSAMPARRAY output_buf)); - - /* Private state for YCC->RGB conversion */ - int * Cr_r_tab; /* => table for Cr to R conversion */ - int * Cb_b_tab; /* => table for Cb to B conversion */ - INT32 * Cr_g_tab; /* => table for Cr to G conversion */ - INT32 * Cb_g_tab; /* => table for Cb to G conversion */ - - /* For 2:1 vertical sampling, we produce two output rows at a time. - * We need a "spare" row buffer to hold the second output row if the - * application provides just a one-row buffer; we also use the spare - * to discard the dummy last row if the image height is odd. - */ - JSAMPROW spare_row; - boolean spare_full; /* T if spare buffer is occupied */ - - JDIMENSION out_row_width; /* samples per output row */ - JDIMENSION rows_to_go; /* counts rows remaining in image */ -} my_upsampler; - -typedef my_upsampler * my_upsample_ptr; - -#define SCALEBITS 16 /* speediest right-shift on some machines */ -#define ONE_HALF ((INT32) 1 << (SCALEBITS-1)) -#define FIX(x) ((INT32) ((x) * (1L<<SCALEBITS) + 0.5)) - - -/* - * Initialize tables for YCC->RGB colorspace conversion. - * This is taken directly from jdcolor.c; see that file for more info. - */ - -LOCAL(void) -build_ycc_rgb_table (j_decompress_ptr cinfo) -{ - my_upsample_ptr upsample = (my_upsample_ptr) cinfo->upsample; - int i; - INT32 x; - SHIFT_TEMPS - - upsample->Cr_r_tab = (int *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - (MAXJSAMPLE+1) * SIZEOF(int)); - upsample->Cb_b_tab = (int *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - (MAXJSAMPLE+1) * SIZEOF(int)); - upsample->Cr_g_tab = (INT32 *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - (MAXJSAMPLE+1) * SIZEOF(INT32)); - upsample->Cb_g_tab = (INT32 *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - (MAXJSAMPLE+1) * SIZEOF(INT32)); - - for (i = 0, x = -CENTERJSAMPLE; i <= MAXJSAMPLE; i++, x++) { - /* i is the actual input pixel value, in the range 0..MAXJSAMPLE */ - /* The Cb or Cr value we are thinking of is x = i - CENTERJSAMPLE */ - /* Cr=>R value is nearest int to 1.40200 * x */ - upsample->Cr_r_tab[i] = (int) - RIGHT_SHIFT(FIX(1.40200) * x + ONE_HALF, SCALEBITS); - /* Cb=>B value is nearest int to 1.77200 * x */ - upsample->Cb_b_tab[i] = (int) - RIGHT_SHIFT(FIX(1.77200) * x + ONE_HALF, SCALEBITS); - /* Cr=>G value is scaled-up -0.71414 * x */ - upsample->Cr_g_tab[i] = (- FIX(0.71414)) * x; - /* Cb=>G value is scaled-up -0.34414 * x */ - /* We also add in ONE_HALF so that need not do it in inner loop */ - upsample->Cb_g_tab[i] = (- FIX(0.34414)) * x + ONE_HALF; - } -} - - -/* - * Initialize for an upsampling pass. - */ - -METHODDEF(void) -start_pass_merged_upsample (j_decompress_ptr cinfo) -{ - my_upsample_ptr upsample = (my_upsample_ptr) cinfo->upsample; - - /* Mark the spare buffer empty */ - upsample->spare_full = FALSE; - /* Initialize total-height counter for detecting bottom of image */ - upsample->rows_to_go = cinfo->output_height; -} - - -/* - * Control routine to do upsampling (and color conversion). - * - * The control routine just handles the row buffering considerations. - */ - -METHODDEF(void) -merged_2v_upsample (j_decompress_ptr cinfo, - JSAMPIMAGE input_buf, JDIMENSION *in_row_group_ctr, - JDIMENSION in_row_groups_avail, - JSAMPARRAY output_buf, JDIMENSION *out_row_ctr, - JDIMENSION out_rows_avail) -/* 2:1 vertical sampling case: may need a spare row. */ -{ - my_upsample_ptr upsample = (my_upsample_ptr) cinfo->upsample; - JSAMPROW work_ptrs[2]; - JDIMENSION num_rows; /* number of rows returned to caller */ - - if (upsample->spare_full) { - /* If we have a spare row saved from a previous cycle, just return it. */ - jcopy_sample_rows(& upsample->spare_row, 0, output_buf + *out_row_ctr, 0, - 1, upsample->out_row_width); - num_rows = 1; - upsample->spare_full = FALSE; - } else { - /* Figure number of rows to return to caller. */ - num_rows = 2; - /* Not more than the distance to the end of the image. */ - if (num_rows > upsample->rows_to_go) - num_rows = upsample->rows_to_go; - /* And not more than what the client can accept: */ - out_rows_avail -= *out_row_ctr; - if (num_rows > out_rows_avail) - num_rows = out_rows_avail; - /* Create output pointer array for upsampler. */ - work_ptrs[0] = output_buf[*out_row_ctr]; - if (num_rows > 1) { - work_ptrs[1] = output_buf[*out_row_ctr + 1]; - } else { - work_ptrs[1] = upsample->spare_row; - upsample->spare_full = TRUE; - } - /* Now do the upsampling. */ - (*upsample->upmethod) (cinfo, input_buf, *in_row_group_ctr, work_ptrs); - } - - /* Adjust counts */ - *out_row_ctr += num_rows; - upsample->rows_to_go -= num_rows; - /* When the buffer is emptied, declare this input row group consumed */ - if (! upsample->spare_full) - (*in_row_group_ctr)++; -} - - -METHODDEF(void) -merged_1v_upsample (j_decompress_ptr cinfo, - JSAMPIMAGE input_buf, JDIMENSION *in_row_group_ctr, - JDIMENSION in_row_groups_avail, - JSAMPARRAY output_buf, JDIMENSION *out_row_ctr, - JDIMENSION out_rows_avail) -/* 1:1 vertical sampling case: much easier, never need a spare row. */ -{ - my_upsample_ptr upsample = (my_upsample_ptr) cinfo->upsample; - - /* Just do the upsampling. */ - (*upsample->upmethod) (cinfo, input_buf, *in_row_group_ctr, - output_buf + *out_row_ctr); - /* Adjust counts */ - (*out_row_ctr)++; - (*in_row_group_ctr)++; -} - - -/* - * These are the routines invoked by the control routines to do - * the actual upsampling/conversion. One row group is processed per call. - * - * Note: since we may be writing directly into application-supplied buffers, - * we have to be honest about the output width; we can't assume the buffer - * has been rounded up to an even width. - */ - - -/* - * Upsample and color convert for the case of 2:1 horizontal and 1:1 vertical. - */ - -METHODDEF(void) -h2v1_merged_upsample (j_decompress_ptr cinfo, - JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr, - JSAMPARRAY output_buf) -{ - my_upsample_ptr upsample = (my_upsample_ptr) cinfo->upsample; - register int y, cred, cgreen, cblue; - int cb, cr; - register JSAMPROW outptr; - JSAMPROW inptr0, inptr1, inptr2; - JDIMENSION col; - /* copy these pointers into registers if possible */ - register JSAMPLE * range_limit = cinfo->sample_range_limit; - int * Crrtab = upsample->Cr_r_tab; - int * Cbbtab = upsample->Cb_b_tab; - INT32 * Crgtab = upsample->Cr_g_tab; - INT32 * Cbgtab = upsample->Cb_g_tab; - SHIFT_TEMPS - - inptr0 = input_buf[0][in_row_group_ctr]; - inptr1 = input_buf[1][in_row_group_ctr]; - inptr2 = input_buf[2][in_row_group_ctr]; - outptr = output_buf[0]; - /* Loop for each pair of output pixels */ - for (col = cinfo->output_width >> 1; col > 0; col--) { - /* Do the chroma part of the calculation */ - cb = GETJSAMPLE(*inptr1++); - cr = GETJSAMPLE(*inptr2++); - cred = Crrtab[cr]; - cgreen = (int) RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS); - cblue = Cbbtab[cb]; - /* Fetch 2 Y values and emit 2 pixels */ - y = GETJSAMPLE(*inptr0++); - outptr[rgb_red[cinfo->out_color_space]] = range_limit[y + cred]; - outptr[rgb_green[cinfo->out_color_space]] = range_limit[y + cgreen]; - outptr[rgb_blue[cinfo->out_color_space]] = range_limit[y + cblue]; - outptr += rgb_pixelsize[cinfo->out_color_space]; - y = GETJSAMPLE(*inptr0++); - outptr[rgb_red[cinfo->out_color_space]] = range_limit[y + cred]; - outptr[rgb_green[cinfo->out_color_space]] = range_limit[y + cgreen]; - outptr[rgb_blue[cinfo->out_color_space]] = range_limit[y + cblue]; - outptr += rgb_pixelsize[cinfo->out_color_space]; - } - /* If image width is odd, do the last output column separately */ - if (cinfo->output_width & 1) { - cb = GETJSAMPLE(*inptr1); - cr = GETJSAMPLE(*inptr2); - cred = Crrtab[cr]; - cgreen = (int) RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS); - cblue = Cbbtab[cb]; - y = GETJSAMPLE(*inptr0); - outptr[rgb_red[cinfo->out_color_space]] = range_limit[y + cred]; - outptr[rgb_green[cinfo->out_color_space]] = range_limit[y + cgreen]; - outptr[rgb_blue[cinfo->out_color_space]] = range_limit[y + cblue]; - } -} - - -/* - * Upsample and color convert for the case of 2:1 horizontal and 2:1 vertical. - */ - -METHODDEF(void) -h2v2_merged_upsample (j_decompress_ptr cinfo, - JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr, - JSAMPARRAY output_buf) -{ - my_upsample_ptr upsample = (my_upsample_ptr) cinfo->upsample; - register int y, cred, cgreen, cblue; - int cb, cr; - register JSAMPROW outptr0, outptr1; - JSAMPROW inptr00, inptr01, inptr1, inptr2; - JDIMENSION col; - /* copy these pointers into registers if possible */ - register JSAMPLE * range_limit = cinfo->sample_range_limit; - int * Crrtab = upsample->Cr_r_tab; - int * Cbbtab = upsample->Cb_b_tab; - INT32 * Crgtab = upsample->Cr_g_tab; - INT32 * Cbgtab = upsample->Cb_g_tab; - SHIFT_TEMPS - - inptr00 = input_buf[0][in_row_group_ctr*2]; - inptr01 = input_buf[0][in_row_group_ctr*2 + 1]; - inptr1 = input_buf[1][in_row_group_ctr]; - inptr2 = input_buf[2][in_row_group_ctr]; - outptr0 = output_buf[0]; - outptr1 = output_buf[1]; - /* Loop for each group of output pixels */ - for (col = cinfo->output_width >> 1; col > 0; col--) { - /* Do the chroma part of the calculation */ - cb = GETJSAMPLE(*inptr1++); - cr = GETJSAMPLE(*inptr2++); - cred = Crrtab[cr]; - cgreen = (int) RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS); - cblue = Cbbtab[cb]; - /* Fetch 4 Y values and emit 4 pixels */ - y = GETJSAMPLE(*inptr00++); - outptr0[rgb_red[cinfo->out_color_space]] = range_limit[y + cred]; - outptr0[rgb_green[cinfo->out_color_space]] = range_limit[y + cgreen]; - outptr0[rgb_blue[cinfo->out_color_space]] = range_limit[y + cblue]; - outptr0 += RGB_PIXELSIZE; - y = GETJSAMPLE(*inptr00++); - outptr0[rgb_red[cinfo->out_color_space]] = range_limit[y + cred]; - outptr0[rgb_green[cinfo->out_color_space]] = range_limit[y + cgreen]; - outptr0[rgb_blue[cinfo->out_color_space]] = range_limit[y + cblue]; - outptr0 += RGB_PIXELSIZE; - y = GETJSAMPLE(*inptr01++); - outptr1[rgb_red[cinfo->out_color_space]] = range_limit[y + cred]; - outptr1[rgb_green[cinfo->out_color_space]] = range_limit[y + cgreen]; - outptr1[rgb_blue[cinfo->out_color_space]] = range_limit[y + cblue]; - outptr1 += RGB_PIXELSIZE; - y = GETJSAMPLE(*inptr01++); - outptr1[rgb_red[cinfo->out_color_space]] = range_limit[y + cred]; - outptr1[rgb_green[cinfo->out_color_space]] = range_limit[y + cgreen]; - outptr1[rgb_blue[cinfo->out_color_space]] = range_limit[y + cblue]; - outptr1 += RGB_PIXELSIZE; - } - /* If image width is odd, do the last output column separately */ - if (cinfo->output_width & 1) { - cb = GETJSAMPLE(*inptr1); - cr = GETJSAMPLE(*inptr2); - cred = Crrtab[cr]; - cgreen = (int) RIGHT_SHIFT(Cbgtab[cb] + Crgtab[cr], SCALEBITS); - cblue = Cbbtab[cb]; - y = GETJSAMPLE(*inptr00); - outptr0[rgb_red[cinfo->out_color_space]] = range_limit[y + cred]; - outptr0[rgb_green[cinfo->out_color_space]] = range_limit[y + cgreen]; - outptr0[rgb_blue[cinfo->out_color_space]] = range_limit[y + cblue]; - y = GETJSAMPLE(*inptr01); - outptr1[rgb_red[cinfo->out_color_space]] = range_limit[y + cred]; - outptr1[rgb_green[cinfo->out_color_space]] = range_limit[y + cgreen]; - outptr1[rgb_blue[cinfo->out_color_space]] = range_limit[y + cblue]; - } -} - - -/* - * Module initialization routine for merged upsampling/color conversion. - * - * NB: this is called under the conditions determined by use_merged_upsample() - * in jdmaster.c. That routine MUST correspond to the actual capabilities - * of this module; no safety checks are made here. - */ - -GLOBAL(void) -jinit_merged_upsampler (j_decompress_ptr cinfo) -{ - my_upsample_ptr upsample; - - upsample = (my_upsample_ptr) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(my_upsampler)); - cinfo->upsample = (struct jpeg_upsampler *) upsample; - upsample->pub.start_pass = start_pass_merged_upsample; - upsample->pub.need_context_rows = FALSE; - - upsample->out_row_width = cinfo->output_width * cinfo->out_color_components; - - if (cinfo->max_v_samp_factor == 2) { - upsample->pub.upsample = merged_2v_upsample; - if (jsimd_can_h2v2_merged_upsample()) - upsample->upmethod = jsimd_h2v2_merged_upsample; - else - upsample->upmethod = h2v2_merged_upsample; - /* Allocate a spare row buffer */ - upsample->spare_row = (JSAMPROW) - (*cinfo->mem->alloc_large) ((j_common_ptr) cinfo, JPOOL_IMAGE, - (size_t) (upsample->out_row_width * SIZEOF(JSAMPLE))); - } else { - upsample->pub.upsample = merged_1v_upsample; - if (jsimd_can_h2v1_merged_upsample()) - upsample->upmethod = jsimd_h2v1_merged_upsample; - else - upsample->upmethod = h2v1_merged_upsample; - /* No spare row needed */ - upsample->spare_row = NULL; - } - - build_ycc_rgb_table(cinfo); -} - -#endif /* UPSAMPLE_MERGING_SUPPORTED */ diff --git a/common/jpeg/jdphuff.c b/common/jpeg/jdphuff.c deleted file mode 100644 index 22678099..00000000 --- a/common/jpeg/jdphuff.c +++ /dev/null @@ -1,668 +0,0 @@ -/* - * jdphuff.c - * - * Copyright (C) 1995-1997, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains Huffman entropy decoding routines for progressive JPEG. - * - * Much of the complexity here has to do with supporting input suspension. - * If the data source module demands suspension, we want to be able to back - * up to the start of the current MCU. To do this, we copy state variables - * into local working storage, and update them back to the permanent - * storage only upon successful completion of an MCU. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" -#include "jdhuff.h" /* Declarations shared with jdhuff.c */ - - -#ifdef D_PROGRESSIVE_SUPPORTED - -/* - * Expanded entropy decoder object for progressive Huffman decoding. - * - * The savable_state subrecord contains fields that change within an MCU, - * but must not be updated permanently until we complete the MCU. - */ - -typedef struct { - unsigned int EOBRUN; /* remaining EOBs in EOBRUN */ - int last_dc_val[MAX_COMPS_IN_SCAN]; /* last DC coef for each component */ -} savable_state; - -/* This macro is to work around compilers with missing or broken - * structure assignment. You'll need to fix this code if you have - * such a compiler and you change MAX_COMPS_IN_SCAN. - */ - -#ifndef NO_STRUCT_ASSIGN -#define ASSIGN_STATE(dest,src) ((dest) = (src)) -#else -#if MAX_COMPS_IN_SCAN == 4 -#define ASSIGN_STATE(dest,src) \ - ((dest).EOBRUN = (src).EOBRUN, \ - (dest).last_dc_val[0] = (src).last_dc_val[0], \ - (dest).last_dc_val[1] = (src).last_dc_val[1], \ - (dest).last_dc_val[2] = (src).last_dc_val[2], \ - (dest).last_dc_val[3] = (src).last_dc_val[3]) -#endif -#endif - - -typedef struct { - struct jpeg_entropy_decoder pub; /* public fields */ - - /* These fields are loaded into local variables at start of each MCU. - * In case of suspension, we exit WITHOUT updating them. - */ - bitread_perm_state bitstate; /* Bit buffer at start of MCU */ - savable_state saved; /* Other state at start of MCU */ - - /* These fields are NOT loaded into local working state. */ - unsigned int restarts_to_go; /* MCUs left in this restart interval */ - - /* Pointers to derived tables (these workspaces have image lifespan) */ - d_derived_tbl * derived_tbls[NUM_HUFF_TBLS]; - - d_derived_tbl * ac_derived_tbl; /* active table during an AC scan */ -} phuff_entropy_decoder; - -typedef phuff_entropy_decoder * phuff_entropy_ptr; - -/* Forward declarations */ -METHODDEF(boolean) decode_mcu_DC_first JPP((j_decompress_ptr cinfo, - JBLOCKROW *MCU_data)); -METHODDEF(boolean) decode_mcu_AC_first JPP((j_decompress_ptr cinfo, - JBLOCKROW *MCU_data)); -METHODDEF(boolean) decode_mcu_DC_refine JPP((j_decompress_ptr cinfo, - JBLOCKROW *MCU_data)); -METHODDEF(boolean) decode_mcu_AC_refine JPP((j_decompress_ptr cinfo, - JBLOCKROW *MCU_data)); - - -/* - * Initialize for a Huffman-compressed scan. - */ - -METHODDEF(void) -start_pass_phuff_decoder (j_decompress_ptr cinfo) -{ - phuff_entropy_ptr entropy = (phuff_entropy_ptr) cinfo->entropy; - boolean is_DC_band, bad; - int ci, coefi, tbl; - int *coef_bit_ptr; - jpeg_component_info * compptr; - - is_DC_band = (cinfo->Ss == 0); - - /* Validate scan parameters */ - bad = FALSE; - if (is_DC_band) { - if (cinfo->Se != 0) - bad = TRUE; - } else { - /* need not check Ss/Se < 0 since they came from unsigned bytes */ - if (cinfo->Ss > cinfo->Se || cinfo->Se >= DCTSIZE2) - bad = TRUE; - /* AC scans may have only one component */ - if (cinfo->comps_in_scan != 1) - bad = TRUE; - } - if (cinfo->Ah != 0) { - /* Successive approximation refinement scan: must have Al = Ah-1. */ - if (cinfo->Al != cinfo->Ah-1) - bad = TRUE; - } - if (cinfo->Al > 13) /* need not check for < 0 */ - bad = TRUE; - /* Arguably the maximum Al value should be less than 13 for 8-bit precision, - * but the spec doesn't say so, and we try to be liberal about what we - * accept. Note: large Al values could result in out-of-range DC - * coefficients during early scans, leading to bizarre displays due to - * overflows in the IDCT math. But we won't crash. - */ - if (bad) - ERREXIT4(cinfo, JERR_BAD_PROGRESSION, - cinfo->Ss, cinfo->Se, cinfo->Ah, cinfo->Al); - /* Update progression status, and verify that scan order is legal. - * Note that inter-scan inconsistencies are treated as warnings - * not fatal errors ... not clear if this is right way to behave. - */ - for (ci = 0; ci < cinfo->comps_in_scan; ci++) { - int cindex = cinfo->cur_comp_info[ci]->component_index; - coef_bit_ptr = & cinfo->coef_bits[cindex][0]; - if (!is_DC_band && coef_bit_ptr[0] < 0) /* AC without prior DC scan */ - WARNMS2(cinfo, JWRN_BOGUS_PROGRESSION, cindex, 0); - for (coefi = cinfo->Ss; coefi <= cinfo->Se; coefi++) { - int expected = (coef_bit_ptr[coefi] < 0) ? 0 : coef_bit_ptr[coefi]; - if (cinfo->Ah != expected) - WARNMS2(cinfo, JWRN_BOGUS_PROGRESSION, cindex, coefi); - coef_bit_ptr[coefi] = cinfo->Al; - } - } - - /* Select MCU decoding routine */ - if (cinfo->Ah == 0) { - if (is_DC_band) - entropy->pub.decode_mcu = decode_mcu_DC_first; - else - entropy->pub.decode_mcu = decode_mcu_AC_first; - } else { - if (is_DC_band) - entropy->pub.decode_mcu = decode_mcu_DC_refine; - else - entropy->pub.decode_mcu = decode_mcu_AC_refine; - } - - for (ci = 0; ci < cinfo->comps_in_scan; ci++) { - compptr = cinfo->cur_comp_info[ci]; - /* Make sure requested tables are present, and compute derived tables. - * We may build same derived table more than once, but it's not expensive. - */ - if (is_DC_band) { - if (cinfo->Ah == 0) { /* DC refinement needs no table */ - tbl = compptr->dc_tbl_no; - jpeg_make_d_derived_tbl(cinfo, TRUE, tbl, - & entropy->derived_tbls[tbl]); - } - } else { - tbl = compptr->ac_tbl_no; - jpeg_make_d_derived_tbl(cinfo, FALSE, tbl, - & entropy->derived_tbls[tbl]); - /* remember the single active table */ - entropy->ac_derived_tbl = entropy->derived_tbls[tbl]; - } - /* Initialize DC predictions to 0 */ - entropy->saved.last_dc_val[ci] = 0; - } - - /* Initialize bitread state variables */ - entropy->bitstate.bits_left = 0; - entropy->bitstate.get_buffer = 0; /* unnecessary, but keeps Purify quiet */ - entropy->pub.insufficient_data = FALSE; - - /* Initialize private state variables */ - entropy->saved.EOBRUN = 0; - - /* Initialize restart counter */ - entropy->restarts_to_go = cinfo->restart_interval; -} - - -/* - * Figure F.12: extend sign bit. - * On some machines, a shift and add will be faster than a table lookup. - */ - -#ifdef AVOID_TABLES - -#define HUFF_EXTEND(x,s) ((x) < (1<<((s)-1)) ? (x) + (((-1)<<(s)) + 1) : (x)) - -#else - -#define HUFF_EXTEND(x,s) ((x) < extend_test[s] ? (x) + extend_offset[s] : (x)) - -static const int extend_test[16] = /* entry n is 2**(n-1) */ - { 0, 0x0001, 0x0002, 0x0004, 0x0008, 0x0010, 0x0020, 0x0040, 0x0080, - 0x0100, 0x0200, 0x0400, 0x0800, 0x1000, 0x2000, 0x4000 }; - -static const int extend_offset[16] = /* entry n is (-1 << n) + 1 */ - { 0, ((-1)<<1) + 1, ((-1)<<2) + 1, ((-1)<<3) + 1, ((-1)<<4) + 1, - ((-1)<<5) + 1, ((-1)<<6) + 1, ((-1)<<7) + 1, ((-1)<<8) + 1, - ((-1)<<9) + 1, ((-1)<<10) + 1, ((-1)<<11) + 1, ((-1)<<12) + 1, - ((-1)<<13) + 1, ((-1)<<14) + 1, ((-1)<<15) + 1 }; - -#endif /* AVOID_TABLES */ - - -/* - * Check for a restart marker & resynchronize decoder. - * Returns FALSE if must suspend. - */ - -LOCAL(boolean) -process_restart (j_decompress_ptr cinfo) -{ - phuff_entropy_ptr entropy = (phuff_entropy_ptr) cinfo->entropy; - int ci; - - /* Throw away any unused bits remaining in bit buffer; */ - /* include any full bytes in next_marker's count of discarded bytes */ - cinfo->marker->discarded_bytes += entropy->bitstate.bits_left / 8; - entropy->bitstate.bits_left = 0; - - /* Advance past the RSTn marker */ - if (! (*cinfo->marker->read_restart_marker) (cinfo)) - return FALSE; - - /* Re-initialize DC predictions to 0 */ - for (ci = 0; ci < cinfo->comps_in_scan; ci++) - entropy->saved.last_dc_val[ci] = 0; - /* Re-init EOB run count, too */ - entropy->saved.EOBRUN = 0; - - /* Reset restart counter */ - entropy->restarts_to_go = cinfo->restart_interval; - - /* Reset out-of-data flag, unless read_restart_marker left us smack up - * against a marker. In that case we will end up treating the next data - * segment as empty, and we can avoid producing bogus output pixels by - * leaving the flag set. - */ - if (cinfo->unread_marker == 0) - entropy->pub.insufficient_data = FALSE; - - return TRUE; -} - - -/* - * Huffman MCU decoding. - * Each of these routines decodes and returns one MCU's worth of - * Huffman-compressed coefficients. - * The coefficients are reordered from zigzag order into natural array order, - * but are not dequantized. - * - * The i'th block of the MCU is stored into the block pointed to by - * MCU_data[i]. WE ASSUME THIS AREA IS INITIALLY ZEROED BY THE CALLER. - * - * We return FALSE if data source requested suspension. In that case no - * changes have been made to permanent state. (Exception: some output - * coefficients may already have been assigned. This is harmless for - * spectral selection, since we'll just re-assign them on the next call. - * Successive approximation AC refinement has to be more careful, however.) - */ - -/* - * MCU decoding for DC initial scan (either spectral selection, - * or first pass of successive approximation). - */ - -METHODDEF(boolean) -decode_mcu_DC_first (j_decompress_ptr cinfo, JBLOCKROW *MCU_data) -{ - phuff_entropy_ptr entropy = (phuff_entropy_ptr) cinfo->entropy; - int Al = cinfo->Al; - register int s, r; - int blkn, ci; - JBLOCKROW block; - BITREAD_STATE_VARS; - savable_state state; - d_derived_tbl * tbl; - jpeg_component_info * compptr; - - /* Process restart marker if needed; may have to suspend */ - if (cinfo->restart_interval) { - if (entropy->restarts_to_go == 0) - if (! process_restart(cinfo)) - return FALSE; - } - - /* If we've run out of data, just leave the MCU set to zeroes. - * This way, we return uniform gray for the remainder of the segment. - */ - if (! entropy->pub.insufficient_data) { - - /* Load up working state */ - BITREAD_LOAD_STATE(cinfo,entropy->bitstate); - ASSIGN_STATE(state, entropy->saved); - - /* Outer loop handles each block in the MCU */ - - for (blkn = 0; blkn < cinfo->blocks_in_MCU; blkn++) { - block = MCU_data[blkn]; - ci = cinfo->MCU_membership[blkn]; - compptr = cinfo->cur_comp_info[ci]; - tbl = entropy->derived_tbls[compptr->dc_tbl_no]; - - /* Decode a single block's worth of coefficients */ - - /* Section F.2.2.1: decode the DC coefficient difference */ - HUFF_DECODE(s, br_state, tbl, return FALSE, label1); - if (s) { - CHECK_BIT_BUFFER(br_state, s, return FALSE); - r = GET_BITS(s); - s = HUFF_EXTEND(r, s); - } - - /* Convert DC difference to actual value, update last_dc_val */ - s += state.last_dc_val[ci]; - state.last_dc_val[ci] = s; - /* Scale and output the coefficient (assumes jpeg_natural_order[0]=0) */ - (*block)[0] = (JCOEF) (s << Al); - } - - /* Completed MCU, so update state */ - BITREAD_SAVE_STATE(cinfo,entropy->bitstate); - ASSIGN_STATE(entropy->saved, state); - } - - /* Account for restart interval (no-op if not using restarts) */ - entropy->restarts_to_go--; - - return TRUE; -} - - -/* - * MCU decoding for AC initial scan (either spectral selection, - * or first pass of successive approximation). - */ - -METHODDEF(boolean) -decode_mcu_AC_first (j_decompress_ptr cinfo, JBLOCKROW *MCU_data) -{ - phuff_entropy_ptr entropy = (phuff_entropy_ptr) cinfo->entropy; - int Se = cinfo->Se; - int Al = cinfo->Al; - register int s, k, r; - unsigned int EOBRUN; - JBLOCKROW block; - BITREAD_STATE_VARS; - d_derived_tbl * tbl; - - /* Process restart marker if needed; may have to suspend */ - if (cinfo->restart_interval) { - if (entropy->restarts_to_go == 0) - if (! process_restart(cinfo)) - return FALSE; - } - - /* If we've run out of data, just leave the MCU set to zeroes. - * This way, we return uniform gray for the remainder of the segment. - */ - if (! entropy->pub.insufficient_data) { - - /* Load up working state. - * We can avoid loading/saving bitread state if in an EOB run. - */ - EOBRUN = entropy->saved.EOBRUN; /* only part of saved state we need */ - - /* There is always only one block per MCU */ - - if (EOBRUN > 0) /* if it's a band of zeroes... */ - EOBRUN--; /* ...process it now (we do nothing) */ - else { - BITREAD_LOAD_STATE(cinfo,entropy->bitstate); - block = MCU_data[0]; - tbl = entropy->ac_derived_tbl; - - for (k = cinfo->Ss; k <= Se; k++) { - HUFF_DECODE(s, br_state, tbl, return FALSE, label2); - r = s >> 4; - s &= 15; - if (s) { - k += r; - CHECK_BIT_BUFFER(br_state, s, return FALSE); - r = GET_BITS(s); - s = HUFF_EXTEND(r, s); - /* Scale and output coefficient in natural (dezigzagged) order */ - (*block)[jpeg_natural_order[k]] = (JCOEF) (s << Al); - } else { - if (r == 15) { /* ZRL */ - k += 15; /* skip 15 zeroes in band */ - } else { /* EOBr, run length is 2^r + appended bits */ - EOBRUN = 1 << r; - if (r) { /* EOBr, r > 0 */ - CHECK_BIT_BUFFER(br_state, r, return FALSE); - r = GET_BITS(r); - EOBRUN += r; - } - EOBRUN--; /* this band is processed at this moment */ - break; /* force end-of-band */ - } - } - } - - BITREAD_SAVE_STATE(cinfo,entropy->bitstate); - } - - /* Completed MCU, so update state */ - entropy->saved.EOBRUN = EOBRUN; /* only part of saved state we need */ - } - - /* Account for restart interval (no-op if not using restarts) */ - entropy->restarts_to_go--; - - return TRUE; -} - - -/* - * MCU decoding for DC successive approximation refinement scan. - * Note: we assume such scans can be multi-component, although the spec - * is not very clear on the point. - */ - -METHODDEF(boolean) -decode_mcu_DC_refine (j_decompress_ptr cinfo, JBLOCKROW *MCU_data) -{ - phuff_entropy_ptr entropy = (phuff_entropy_ptr) cinfo->entropy; - int p1 = 1 << cinfo->Al; /* 1 in the bit position being coded */ - int blkn; - JBLOCKROW block; - BITREAD_STATE_VARS; - - /* Process restart marker if needed; may have to suspend */ - if (cinfo->restart_interval) { - if (entropy->restarts_to_go == 0) - if (! process_restart(cinfo)) - return FALSE; - } - - /* Not worth the cycles to check insufficient_data here, - * since we will not change the data anyway if we read zeroes. - */ - - /* Load up working state */ - BITREAD_LOAD_STATE(cinfo,entropy->bitstate); - - /* Outer loop handles each block in the MCU */ - - for (blkn = 0; blkn < cinfo->blocks_in_MCU; blkn++) { - block = MCU_data[blkn]; - - /* Encoded data is simply the next bit of the two's-complement DC value */ - CHECK_BIT_BUFFER(br_state, 1, return FALSE); - if (GET_BITS(1)) - (*block)[0] |= p1; - /* Note: since we use |=, repeating the assignment later is safe */ - } - - /* Completed MCU, so update state */ - BITREAD_SAVE_STATE(cinfo,entropy->bitstate); - - /* Account for restart interval (no-op if not using restarts) */ - entropy->restarts_to_go--; - - return TRUE; -} - - -/* - * MCU decoding for AC successive approximation refinement scan. - */ - -METHODDEF(boolean) -decode_mcu_AC_refine (j_decompress_ptr cinfo, JBLOCKROW *MCU_data) -{ - phuff_entropy_ptr entropy = (phuff_entropy_ptr) cinfo->entropy; - int Se = cinfo->Se; - int p1 = 1 << cinfo->Al; /* 1 in the bit position being coded */ - int m1 = (-1) << cinfo->Al; /* -1 in the bit position being coded */ - register int s, k, r; - unsigned int EOBRUN; - JBLOCKROW block; - JCOEFPTR thiscoef; - BITREAD_STATE_VARS; - d_derived_tbl * tbl; - int num_newnz; - int newnz_pos[DCTSIZE2]; - - /* Process restart marker if needed; may have to suspend */ - if (cinfo->restart_interval) { - if (entropy->restarts_to_go == 0) - if (! process_restart(cinfo)) - return FALSE; - } - - /* If we've run out of data, don't modify the MCU. - */ - if (! entropy->pub.insufficient_data) { - - /* Load up working state */ - BITREAD_LOAD_STATE(cinfo,entropy->bitstate); - EOBRUN = entropy->saved.EOBRUN; /* only part of saved state we need */ - - /* There is always only one block per MCU */ - block = MCU_data[0]; - tbl = entropy->ac_derived_tbl; - - /* If we are forced to suspend, we must undo the assignments to any newly - * nonzero coefficients in the block, because otherwise we'd get confused - * next time about which coefficients were already nonzero. - * But we need not undo addition of bits to already-nonzero coefficients; - * instead, we can test the current bit to see if we already did it. - */ - num_newnz = 0; - - /* initialize coefficient loop counter to start of band */ - k = cinfo->Ss; - - if (EOBRUN == 0) { - for (; k <= Se; k++) { - HUFF_DECODE(s, br_state, tbl, goto undoit, label3); - r = s >> 4; - s &= 15; - if (s) { - if (s != 1) /* size of new coef should always be 1 */ - WARNMS(cinfo, JWRN_HUFF_BAD_CODE); - CHECK_BIT_BUFFER(br_state, 1, goto undoit); - if (GET_BITS(1)) - s = p1; /* newly nonzero coef is positive */ - else - s = m1; /* newly nonzero coef is negative */ - } else { - if (r != 15) { - EOBRUN = 1 << r; /* EOBr, run length is 2^r + appended bits */ - if (r) { - CHECK_BIT_BUFFER(br_state, r, goto undoit); - r = GET_BITS(r); - EOBRUN += r; - } - break; /* rest of block is handled by EOB logic */ - } - /* note s = 0 for processing ZRL */ - } - /* Advance over already-nonzero coefs and r still-zero coefs, - * appending correction bits to the nonzeroes. A correction bit is 1 - * if the absolute value of the coefficient must be increased. - */ - do { - thiscoef = *block + jpeg_natural_order[k]; - if (*thiscoef != 0) { - CHECK_BIT_BUFFER(br_state, 1, goto undoit); - if (GET_BITS(1)) { - if ((*thiscoef & p1) == 0) { /* do nothing if already set it */ - if (*thiscoef >= 0) - *thiscoef += p1; - else - *thiscoef += m1; - } - } - } else { - if (--r < 0) - break; /* reached target zero coefficient */ - } - k++; - } while (k <= Se); - if (s) { - int pos = jpeg_natural_order[k]; - /* Output newly nonzero coefficient */ - (*block)[pos] = (JCOEF) s; - /* Remember its position in case we have to suspend */ - newnz_pos[num_newnz++] = pos; - } - } - } - - if (EOBRUN > 0) { - /* Scan any remaining coefficient positions after the end-of-band - * (the last newly nonzero coefficient, if any). Append a correction - * bit to each already-nonzero coefficient. A correction bit is 1 - * if the absolute value of the coefficient must be increased. - */ - for (; k <= Se; k++) { - thiscoef = *block + jpeg_natural_order[k]; - if (*thiscoef != 0) { - CHECK_BIT_BUFFER(br_state, 1, goto undoit); - if (GET_BITS(1)) { - if ((*thiscoef & p1) == 0) { /* do nothing if already changed it */ - if (*thiscoef >= 0) - *thiscoef += p1; - else - *thiscoef += m1; - } - } - } - } - /* Count one block completed in EOB run */ - EOBRUN--; - } - - /* Completed MCU, so update state */ - BITREAD_SAVE_STATE(cinfo,entropy->bitstate); - entropy->saved.EOBRUN = EOBRUN; /* only part of saved state we need */ - } - - /* Account for restart interval (no-op if not using restarts) */ - entropy->restarts_to_go--; - - return TRUE; - -undoit: - /* Re-zero any output coefficients that we made newly nonzero */ - while (num_newnz > 0) - (*block)[newnz_pos[--num_newnz]] = 0; - - return FALSE; -} - - -/* - * Module initialization routine for progressive Huffman entropy decoding. - */ - -GLOBAL(void) -jinit_phuff_decoder (j_decompress_ptr cinfo) -{ - phuff_entropy_ptr entropy; - int *coef_bit_ptr; - int ci, i; - - entropy = (phuff_entropy_ptr) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(phuff_entropy_decoder)); - cinfo->entropy = (struct jpeg_entropy_decoder *) entropy; - entropy->pub.start_pass = start_pass_phuff_decoder; - - /* Mark derived tables unallocated */ - for (i = 0; i < NUM_HUFF_TBLS; i++) { - entropy->derived_tbls[i] = NULL; - } - - /* Create progression status table */ - cinfo->coef_bits = (int (*)[DCTSIZE2]) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - cinfo->num_components*DCTSIZE2*SIZEOF(int)); - coef_bit_ptr = & cinfo->coef_bits[0][0]; - for (ci = 0; ci < cinfo->num_components; ci++) - for (i = 0; i < DCTSIZE2; i++) - *coef_bit_ptr++ = -1; -} - -#endif /* D_PROGRESSIVE_SUPPORTED */ diff --git a/common/jpeg/jdpostct.c b/common/jpeg/jdpostct.c deleted file mode 100644 index 571563d7..00000000 --- a/common/jpeg/jdpostct.c +++ /dev/null @@ -1,290 +0,0 @@ -/* - * jdpostct.c - * - * Copyright (C) 1994-1996, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains the decompression postprocessing controller. - * This controller manages the upsampling, color conversion, and color - * quantization/reduction steps; specifically, it controls the buffering - * between upsample/color conversion and color quantization/reduction. - * - * If no color quantization/reduction is required, then this module has no - * work to do, and it just hands off to the upsample/color conversion code. - * An integrated upsample/convert/quantize process would replace this module - * entirely. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" - - -/* Private buffer controller object */ - -typedef struct { - struct jpeg_d_post_controller pub; /* public fields */ - - /* Color quantization source buffer: this holds output data from - * the upsample/color conversion step to be passed to the quantizer. - * For two-pass color quantization, we need a full-image buffer; - * for one-pass operation, a strip buffer is sufficient. - */ - jvirt_sarray_ptr whole_image; /* virtual array, or NULL if one-pass */ - JSAMPARRAY buffer; /* strip buffer, or current strip of virtual */ - JDIMENSION strip_height; /* buffer size in rows */ - /* for two-pass mode only: */ - JDIMENSION starting_row; /* row # of first row in current strip */ - JDIMENSION next_row; /* index of next row to fill/empty in strip */ -} my_post_controller; - -typedef my_post_controller * my_post_ptr; - - -/* Forward declarations */ -METHODDEF(void) post_process_1pass - JPP((j_decompress_ptr cinfo, - JSAMPIMAGE input_buf, JDIMENSION *in_row_group_ctr, - JDIMENSION in_row_groups_avail, - JSAMPARRAY output_buf, JDIMENSION *out_row_ctr, - JDIMENSION out_rows_avail)); -#ifdef QUANT_2PASS_SUPPORTED -METHODDEF(void) post_process_prepass - JPP((j_decompress_ptr cinfo, - JSAMPIMAGE input_buf, JDIMENSION *in_row_group_ctr, - JDIMENSION in_row_groups_avail, - JSAMPARRAY output_buf, JDIMENSION *out_row_ctr, - JDIMENSION out_rows_avail)); -METHODDEF(void) post_process_2pass - JPP((j_decompress_ptr cinfo, - JSAMPIMAGE input_buf, JDIMENSION *in_row_group_ctr, - JDIMENSION in_row_groups_avail, - JSAMPARRAY output_buf, JDIMENSION *out_row_ctr, - JDIMENSION out_rows_avail)); -#endif - - -/* - * Initialize for a processing pass. - */ - -METHODDEF(void) -start_pass_dpost (j_decompress_ptr cinfo, J_BUF_MODE pass_mode) -{ - my_post_ptr post = (my_post_ptr) cinfo->post; - - switch (pass_mode) { - case JBUF_PASS_THRU: - if (cinfo->quantize_colors) { - /* Single-pass processing with color quantization. */ - post->pub.post_process_data = post_process_1pass; - /* We could be doing buffered-image output before starting a 2-pass - * color quantization; in that case, jinit_d_post_controller did not - * allocate a strip buffer. Use the virtual-array buffer as workspace. - */ - if (post->buffer == NULL) { - post->buffer = (*cinfo->mem->access_virt_sarray) - ((j_common_ptr) cinfo, post->whole_image, - (JDIMENSION) 0, post->strip_height, TRUE); - } - } else { - /* For single-pass processing without color quantization, - * I have no work to do; just call the upsampler directly. - */ - post->pub.post_process_data = cinfo->upsample->upsample; - } - break; -#ifdef QUANT_2PASS_SUPPORTED - case JBUF_SAVE_AND_PASS: - /* First pass of 2-pass quantization */ - if (post->whole_image == NULL) - ERREXIT(cinfo, JERR_BAD_BUFFER_MODE); - post->pub.post_process_data = post_process_prepass; - break; - case JBUF_CRANK_DEST: - /* Second pass of 2-pass quantization */ - if (post->whole_image == NULL) - ERREXIT(cinfo, JERR_BAD_BUFFER_MODE); - post->pub.post_process_data = post_process_2pass; - break; -#endif /* QUANT_2PASS_SUPPORTED */ - default: - ERREXIT(cinfo, JERR_BAD_BUFFER_MODE); - break; - } - post->starting_row = post->next_row = 0; -} - - -/* - * Process some data in the one-pass (strip buffer) case. - * This is used for color precision reduction as well as one-pass quantization. - */ - -METHODDEF(void) -post_process_1pass (j_decompress_ptr cinfo, - JSAMPIMAGE input_buf, JDIMENSION *in_row_group_ctr, - JDIMENSION in_row_groups_avail, - JSAMPARRAY output_buf, JDIMENSION *out_row_ctr, - JDIMENSION out_rows_avail) -{ - my_post_ptr post = (my_post_ptr) cinfo->post; - JDIMENSION num_rows, max_rows; - - /* Fill the buffer, but not more than what we can dump out in one go. */ - /* Note we rely on the upsampler to detect bottom of image. */ - max_rows = out_rows_avail - *out_row_ctr; - if (max_rows > post->strip_height) - max_rows = post->strip_height; - num_rows = 0; - (*cinfo->upsample->upsample) (cinfo, - input_buf, in_row_group_ctr, in_row_groups_avail, - post->buffer, &num_rows, max_rows); - /* Quantize and emit data. */ - (*cinfo->cquantize->color_quantize) (cinfo, - post->buffer, output_buf + *out_row_ctr, (int) num_rows); - *out_row_ctr += num_rows; -} - - -#ifdef QUANT_2PASS_SUPPORTED - -/* - * Process some data in the first pass of 2-pass quantization. - */ - -METHODDEF(void) -post_process_prepass (j_decompress_ptr cinfo, - JSAMPIMAGE input_buf, JDIMENSION *in_row_group_ctr, - JDIMENSION in_row_groups_avail, - JSAMPARRAY output_buf, JDIMENSION *out_row_ctr, - JDIMENSION out_rows_avail) -{ - my_post_ptr post = (my_post_ptr) cinfo->post; - JDIMENSION old_next_row, num_rows; - - /* Reposition virtual buffer if at start of strip. */ - if (post->next_row == 0) { - post->buffer = (*cinfo->mem->access_virt_sarray) - ((j_common_ptr) cinfo, post->whole_image, - post->starting_row, post->strip_height, TRUE); - } - - /* Upsample some data (up to a strip height's worth). */ - old_next_row = post->next_row; - (*cinfo->upsample->upsample) (cinfo, - input_buf, in_row_group_ctr, in_row_groups_avail, - post->buffer, &post->next_row, post->strip_height); - - /* Allow quantizer to scan new data. No data is emitted, */ - /* but we advance out_row_ctr so outer loop can tell when we're done. */ - if (post->next_row > old_next_row) { - num_rows = post->next_row - old_next_row; - (*cinfo->cquantize->color_quantize) (cinfo, post->buffer + old_next_row, - (JSAMPARRAY) NULL, (int) num_rows); - *out_row_ctr += num_rows; - } - - /* Advance if we filled the strip. */ - if (post->next_row >= post->strip_height) { - post->starting_row += post->strip_height; - post->next_row = 0; - } -} - - -/* - * Process some data in the second pass of 2-pass quantization. - */ - -METHODDEF(void) -post_process_2pass (j_decompress_ptr cinfo, - JSAMPIMAGE input_buf, JDIMENSION *in_row_group_ctr, - JDIMENSION in_row_groups_avail, - JSAMPARRAY output_buf, JDIMENSION *out_row_ctr, - JDIMENSION out_rows_avail) -{ - my_post_ptr post = (my_post_ptr) cinfo->post; - JDIMENSION num_rows, max_rows; - - /* Reposition virtual buffer if at start of strip. */ - if (post->next_row == 0) { - post->buffer = (*cinfo->mem->access_virt_sarray) - ((j_common_ptr) cinfo, post->whole_image, - post->starting_row, post->strip_height, FALSE); - } - - /* Determine number of rows to emit. */ - num_rows = post->strip_height - post->next_row; /* available in strip */ - max_rows = out_rows_avail - *out_row_ctr; /* available in output area */ - if (num_rows > max_rows) - num_rows = max_rows; - /* We have to check bottom of image here, can't depend on upsampler. */ - max_rows = cinfo->output_height - post->starting_row; - if (num_rows > max_rows) - num_rows = max_rows; - - /* Quantize and emit data. */ - (*cinfo->cquantize->color_quantize) (cinfo, - post->buffer + post->next_row, output_buf + *out_row_ctr, - (int) num_rows); - *out_row_ctr += num_rows; - - /* Advance if we filled the strip. */ - post->next_row += num_rows; - if (post->next_row >= post->strip_height) { - post->starting_row += post->strip_height; - post->next_row = 0; - } -} - -#endif /* QUANT_2PASS_SUPPORTED */ - - -/* - * Initialize postprocessing controller. - */ - -GLOBAL(void) -jinit_d_post_controller (j_decompress_ptr cinfo, boolean need_full_buffer) -{ - my_post_ptr post; - - post = (my_post_ptr) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(my_post_controller)); - cinfo->post = (struct jpeg_d_post_controller *) post; - post->pub.start_pass = start_pass_dpost; - post->whole_image = NULL; /* flag for no virtual arrays */ - post->buffer = NULL; /* flag for no strip buffer */ - - /* Create the quantization buffer, if needed */ - if (cinfo->quantize_colors) { - /* The buffer strip height is max_v_samp_factor, which is typically - * an efficient number of rows for upsampling to return. - * (In the presence of output rescaling, we might want to be smarter?) - */ - post->strip_height = (JDIMENSION) cinfo->max_v_samp_factor; - if (need_full_buffer) { - /* Two-pass color quantization: need full-image storage. */ - /* We round up the number of rows to a multiple of the strip height. */ -#ifdef QUANT_2PASS_SUPPORTED - post->whole_image = (*cinfo->mem->request_virt_sarray) - ((j_common_ptr) cinfo, JPOOL_IMAGE, FALSE, - cinfo->output_width * cinfo->out_color_components, - (JDIMENSION) jround_up((long) cinfo->output_height, - (long) post->strip_height), - post->strip_height); -#else - ERREXIT(cinfo, JERR_BAD_BUFFER_MODE); -#endif /* QUANT_2PASS_SUPPORTED */ - } else { - /* One-pass color quantization: just make a strip buffer. */ - post->buffer = (*cinfo->mem->alloc_sarray) - ((j_common_ptr) cinfo, JPOOL_IMAGE, - cinfo->output_width * cinfo->out_color_components, - post->strip_height); - } - } -} diff --git a/common/jpeg/jdsample.c b/common/jpeg/jdsample.c deleted file mode 100644 index 4e0b8b40..00000000 --- a/common/jpeg/jdsample.c +++ /dev/null @@ -1,494 +0,0 @@ -/* - * jdsample.c - * - * Copyright (C) 1991-1996, Thomas G. Lane. - * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains upsampling routines. - * - * Upsampling input data is counted in "row groups". A row group - * is defined to be (v_samp_factor * DCT_scaled_size / min_DCT_scaled_size) - * sample rows of each component. Upsampling will normally produce - * max_v_samp_factor pixel rows from each row group (but this could vary - * if the upsampler is applying a scale factor of its own). - * - * An excellent reference for image resampling is - * Digital Image Warping, George Wolberg, 1990. - * Pub. by IEEE Computer Society Press, Los Alamitos, CA. ISBN 0-8186-8944-7. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" -#include "jsimd.h" - - -/* Pointer to routine to upsample a single component */ -typedef JMETHOD(void, upsample1_ptr, - (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JSAMPARRAY input_data, JSAMPARRAY * output_data_ptr)); - -/* Private subobject */ - -typedef struct { - struct jpeg_upsampler pub; /* public fields */ - - /* Color conversion buffer. When using separate upsampling and color - * conversion steps, this buffer holds one upsampled row group until it - * has been color converted and output. - * Note: we do not allocate any storage for component(s) which are full-size, - * ie do not need rescaling. The corresponding entry of color_buf[] is - * simply set to point to the input data array, thereby avoiding copying. - */ - JSAMPARRAY color_buf[MAX_COMPONENTS]; - - /* Per-component upsampling method pointers */ - upsample1_ptr methods[MAX_COMPONENTS]; - - int next_row_out; /* counts rows emitted from color_buf */ - JDIMENSION rows_to_go; /* counts rows remaining in image */ - - /* Height of an input row group for each component. */ - int rowgroup_height[MAX_COMPONENTS]; - - /* These arrays save pixel expansion factors so that int_expand need not - * recompute them each time. They are unused for other upsampling methods. - */ - UINT8 h_expand[MAX_COMPONENTS]; - UINT8 v_expand[MAX_COMPONENTS]; -} my_upsampler; - -typedef my_upsampler * my_upsample_ptr; - - -/* - * Initialize for an upsampling pass. - */ - -METHODDEF(void) -start_pass_upsample (j_decompress_ptr cinfo) -{ - my_upsample_ptr upsample = (my_upsample_ptr) cinfo->upsample; - - /* Mark the conversion buffer empty */ - upsample->next_row_out = cinfo->max_v_samp_factor; - /* Initialize total-height counter for detecting bottom of image */ - upsample->rows_to_go = cinfo->output_height; -} - - -/* - * Control routine to do upsampling (and color conversion). - * - * In this version we upsample each component independently. - * We upsample one row group into the conversion buffer, then apply - * color conversion a row at a time. - */ - -METHODDEF(void) -sep_upsample (j_decompress_ptr cinfo, - JSAMPIMAGE input_buf, JDIMENSION *in_row_group_ctr, - JDIMENSION in_row_groups_avail, - JSAMPARRAY output_buf, JDIMENSION *out_row_ctr, - JDIMENSION out_rows_avail) -{ - my_upsample_ptr upsample = (my_upsample_ptr) cinfo->upsample; - int ci; - jpeg_component_info * compptr; - JDIMENSION num_rows; - - /* Fill the conversion buffer, if it's empty */ - if (upsample->next_row_out >= cinfo->max_v_samp_factor) { - for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; - ci++, compptr++) { - /* Invoke per-component upsample method. Notice we pass a POINTER - * to color_buf[ci], so that fullsize_upsample can change it. - */ - (*upsample->methods[ci]) (cinfo, compptr, - input_buf[ci] + (*in_row_group_ctr * upsample->rowgroup_height[ci]), - upsample->color_buf + ci); - } - upsample->next_row_out = 0; - } - - /* Color-convert and emit rows */ - - /* How many we have in the buffer: */ - num_rows = (JDIMENSION) (cinfo->max_v_samp_factor - upsample->next_row_out); - /* Not more than the distance to the end of the image. Need this test - * in case the image height is not a multiple of max_v_samp_factor: - */ - if (num_rows > upsample->rows_to_go) - num_rows = upsample->rows_to_go; - /* And not more than what the client can accept: */ - out_rows_avail -= *out_row_ctr; - if (num_rows > out_rows_avail) - num_rows = out_rows_avail; - - (*cinfo->cconvert->color_convert) (cinfo, upsample->color_buf, - (JDIMENSION) upsample->next_row_out, - output_buf + *out_row_ctr, - (int) num_rows); - - /* Adjust counts */ - *out_row_ctr += num_rows; - upsample->rows_to_go -= num_rows; - upsample->next_row_out += num_rows; - /* When the buffer is emptied, declare this input row group consumed */ - if (upsample->next_row_out >= cinfo->max_v_samp_factor) - (*in_row_group_ctr)++; -} - - -/* - * These are the routines invoked by sep_upsample to upsample pixel values - * of a single component. One row group is processed per call. - */ - - -/* - * For full-size components, we just make color_buf[ci] point at the - * input buffer, and thus avoid copying any data. Note that this is - * safe only because sep_upsample doesn't declare the input row group - * "consumed" until we are done color converting and emitting it. - */ - -METHODDEF(void) -fullsize_upsample (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JSAMPARRAY input_data, JSAMPARRAY * output_data_ptr) -{ - *output_data_ptr = input_data; -} - - -/* - * This is a no-op version used for "uninteresting" components. - * These components will not be referenced by color conversion. - */ - -METHODDEF(void) -noop_upsample (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JSAMPARRAY input_data, JSAMPARRAY * output_data_ptr) -{ - *output_data_ptr = NULL; /* safety check */ -} - - -/* - * This version handles any integral sampling ratios. - * This is not used for typical JPEG files, so it need not be fast. - * Nor, for that matter, is it particularly accurate: the algorithm is - * simple replication of the input pixel onto the corresponding output - * pixels. The hi-falutin sampling literature refers to this as a - * "box filter". A box filter tends to introduce visible artifacts, - * so if you are actually going to use 3:1 or 4:1 sampling ratios - * you would be well advised to improve this code. - */ - -METHODDEF(void) -int_upsample (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JSAMPARRAY input_data, JSAMPARRAY * output_data_ptr) -{ - my_upsample_ptr upsample = (my_upsample_ptr) cinfo->upsample; - JSAMPARRAY output_data = *output_data_ptr; - register JSAMPROW inptr, outptr; - register JSAMPLE invalue; - register int h; - JSAMPROW outend; - int h_expand, v_expand; - int inrow, outrow; - - h_expand = upsample->h_expand[compptr->component_index]; - v_expand = upsample->v_expand[compptr->component_index]; - - inrow = outrow = 0; - while (outrow < cinfo->max_v_samp_factor) { - /* Generate one output row with proper horizontal expansion */ - inptr = input_data[inrow]; - outptr = output_data[outrow]; - outend = outptr + cinfo->output_width; - while (outptr < outend) { - invalue = *inptr++; /* don't need GETJSAMPLE() here */ - for (h = h_expand; h > 0; h--) { - *outptr++ = invalue; - } - } - /* Generate any additional output rows by duplicating the first one */ - if (v_expand > 1) { - jcopy_sample_rows(output_data, outrow, output_data, outrow+1, - v_expand-1, cinfo->output_width); - } - inrow++; - outrow += v_expand; - } -} - - -/* - * Fast processing for the common case of 2:1 horizontal and 1:1 vertical. - * It's still a box filter. - */ - -METHODDEF(void) -h2v1_upsample (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JSAMPARRAY input_data, JSAMPARRAY * output_data_ptr) -{ - JSAMPARRAY output_data = *output_data_ptr; - register JSAMPROW inptr, outptr; - register JSAMPLE invalue; - JSAMPROW outend; - int inrow; - - for (inrow = 0; inrow < cinfo->max_v_samp_factor; inrow++) { - inptr = input_data[inrow]; - outptr = output_data[inrow]; - outend = outptr + cinfo->output_width; - while (outptr < outend) { - invalue = *inptr++; /* don't need GETJSAMPLE() here */ - *outptr++ = invalue; - *outptr++ = invalue; - } - } -} - - -/* - * Fast processing for the common case of 2:1 horizontal and 2:1 vertical. - * It's still a box filter. - */ - -METHODDEF(void) -h2v2_upsample (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JSAMPARRAY input_data, JSAMPARRAY * output_data_ptr) -{ - JSAMPARRAY output_data = *output_data_ptr; - register JSAMPROW inptr, outptr; - register JSAMPLE invalue; - JSAMPROW outend; - int inrow, outrow; - - inrow = outrow = 0; - while (outrow < cinfo->max_v_samp_factor) { - inptr = input_data[inrow]; - outptr = output_data[outrow]; - outend = outptr + cinfo->output_width; - while (outptr < outend) { - invalue = *inptr++; /* don't need GETJSAMPLE() here */ - *outptr++ = invalue; - *outptr++ = invalue; - } - jcopy_sample_rows(output_data, outrow, output_data, outrow+1, - 1, cinfo->output_width); - inrow++; - outrow += 2; - } -} - - -/* - * Fancy processing for the common case of 2:1 horizontal and 1:1 vertical. - * - * The upsampling algorithm is linear interpolation between pixel centers, - * also known as a "triangle filter". This is a good compromise between - * speed and visual quality. The centers of the output pixels are 1/4 and 3/4 - * of the way between input pixel centers. - * - * A note about the "bias" calculations: when rounding fractional values to - * integer, we do not want to always round 0.5 up to the next integer. - * If we did that, we'd introduce a noticeable bias towards larger values. - * Instead, this code is arranged so that 0.5 will be rounded up or down at - * alternate pixel locations (a simple ordered dither pattern). - */ - -METHODDEF(void) -h2v1_fancy_upsample (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JSAMPARRAY input_data, JSAMPARRAY * output_data_ptr) -{ - JSAMPARRAY output_data = *output_data_ptr; - register JSAMPROW inptr, outptr; - register int invalue; - register JDIMENSION colctr; - int inrow; - - for (inrow = 0; inrow < cinfo->max_v_samp_factor; inrow++) { - inptr = input_data[inrow]; - outptr = output_data[inrow]; - /* Special case for first column */ - invalue = GETJSAMPLE(*inptr++); - *outptr++ = (JSAMPLE) invalue; - *outptr++ = (JSAMPLE) ((invalue * 3 + GETJSAMPLE(*inptr) + 2) >> 2); - - for (colctr = compptr->downsampled_width - 2; colctr > 0; colctr--) { - /* General case: 3/4 * nearer pixel + 1/4 * further pixel */ - invalue = GETJSAMPLE(*inptr++) * 3; - *outptr++ = (JSAMPLE) ((invalue + GETJSAMPLE(inptr[-2]) + 1) >> 2); - *outptr++ = (JSAMPLE) ((invalue + GETJSAMPLE(*inptr) + 2) >> 2); - } - - /* Special case for last column */ - invalue = GETJSAMPLE(*inptr); - *outptr++ = (JSAMPLE) ((invalue * 3 + GETJSAMPLE(inptr[-1]) + 1) >> 2); - *outptr++ = (JSAMPLE) invalue; - } -} - - -/* - * Fancy processing for the common case of 2:1 horizontal and 2:1 vertical. - * Again a triangle filter; see comments for h2v1 case, above. - * - * It is OK for us to reference the adjacent input rows because we demanded - * context from the main buffer controller (see initialization code). - */ - -METHODDEF(void) -h2v2_fancy_upsample (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JSAMPARRAY input_data, JSAMPARRAY * output_data_ptr) -{ - JSAMPARRAY output_data = *output_data_ptr; - register JSAMPROW inptr0, inptr1, outptr; -#if BITS_IN_JSAMPLE == 8 - register int thiscolsum, lastcolsum, nextcolsum; -#else - register INT32 thiscolsum, lastcolsum, nextcolsum; -#endif - register JDIMENSION colctr; - int inrow, outrow, v; - - inrow = outrow = 0; - while (outrow < cinfo->max_v_samp_factor) { - for (v = 0; v < 2; v++) { - /* inptr0 points to nearest input row, inptr1 points to next nearest */ - inptr0 = input_data[inrow]; - if (v == 0) /* next nearest is row above */ - inptr1 = input_data[inrow-1]; - else /* next nearest is row below */ - inptr1 = input_data[inrow+1]; - outptr = output_data[outrow++]; - - /* Special case for first column */ - thiscolsum = GETJSAMPLE(*inptr0++) * 3 + GETJSAMPLE(*inptr1++); - nextcolsum = GETJSAMPLE(*inptr0++) * 3 + GETJSAMPLE(*inptr1++); - *outptr++ = (JSAMPLE) ((thiscolsum * 4 + 8) >> 4); - *outptr++ = (JSAMPLE) ((thiscolsum * 3 + nextcolsum + 7) >> 4); - lastcolsum = thiscolsum; thiscolsum = nextcolsum; - - for (colctr = compptr->downsampled_width - 2; colctr > 0; colctr--) { - /* General case: 3/4 * nearer pixel + 1/4 * further pixel in each */ - /* dimension, thus 9/16, 3/16, 3/16, 1/16 overall */ - nextcolsum = GETJSAMPLE(*inptr0++) * 3 + GETJSAMPLE(*inptr1++); - *outptr++ = (JSAMPLE) ((thiscolsum * 3 + lastcolsum + 8) >> 4); - *outptr++ = (JSAMPLE) ((thiscolsum * 3 + nextcolsum + 7) >> 4); - lastcolsum = thiscolsum; thiscolsum = nextcolsum; - } - - /* Special case for last column */ - *outptr++ = (JSAMPLE) ((thiscolsum * 3 + lastcolsum + 8) >> 4); - *outptr++ = (JSAMPLE) ((thiscolsum * 4 + 7) >> 4); - } - inrow++; - } -} - - -/* - * Module initialization routine for upsampling. - */ - -GLOBAL(void) -jinit_upsampler (j_decompress_ptr cinfo) -{ - my_upsample_ptr upsample; - int ci; - jpeg_component_info * compptr; - boolean need_buffer, do_fancy; - int h_in_group, v_in_group, h_out_group, v_out_group; - - upsample = (my_upsample_ptr) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(my_upsampler)); - cinfo->upsample = (struct jpeg_upsampler *) upsample; - upsample->pub.start_pass = start_pass_upsample; - upsample->pub.upsample = sep_upsample; - upsample->pub.need_context_rows = FALSE; /* until we find out differently */ - - if (cinfo->CCIR601_sampling) /* this isn't supported */ - ERREXIT(cinfo, JERR_CCIR601_NOTIMPL); - - /* jdmainct.c doesn't support context rows when min_DCT_scaled_size = 1, - * so don't ask for it. - */ - do_fancy = cinfo->do_fancy_upsampling && cinfo->min_DCT_scaled_size > 1; - - /* Verify we can handle the sampling factors, select per-component methods, - * and create storage as needed. - */ - for (ci = 0, compptr = cinfo->comp_info; ci < cinfo->num_components; - ci++, compptr++) { - /* Compute size of an "input group" after IDCT scaling. This many samples - * are to be converted to max_h_samp_factor * max_v_samp_factor pixels. - */ - h_in_group = (compptr->h_samp_factor * compptr->DCT_scaled_size) / - cinfo->min_DCT_scaled_size; - v_in_group = (compptr->v_samp_factor * compptr->DCT_scaled_size) / - cinfo->min_DCT_scaled_size; - h_out_group = cinfo->max_h_samp_factor; - v_out_group = cinfo->max_v_samp_factor; - upsample->rowgroup_height[ci] = v_in_group; /* save for use later */ - need_buffer = TRUE; - if (! compptr->component_needed) { - /* Don't bother to upsample an uninteresting component. */ - upsample->methods[ci] = noop_upsample; - need_buffer = FALSE; - } else if (h_in_group == h_out_group && v_in_group == v_out_group) { - /* Fullsize components can be processed without any work. */ - upsample->methods[ci] = fullsize_upsample; - need_buffer = FALSE; - } else if (h_in_group * 2 == h_out_group && - v_in_group == v_out_group) { - /* Special cases for 2h1v upsampling */ - if (do_fancy && compptr->downsampled_width > 2) { - if (jsimd_can_h2v1_fancy_upsample()) - upsample->methods[ci] = jsimd_h2v1_fancy_upsample; - else - upsample->methods[ci] = h2v1_fancy_upsample; - } else { - if (jsimd_can_h2v1_upsample()) - upsample->methods[ci] = jsimd_h2v1_upsample; - else - upsample->methods[ci] = h2v1_upsample; - } - } else if (h_in_group * 2 == h_out_group && - v_in_group * 2 == v_out_group) { - /* Special cases for 2h2v upsampling */ - if (do_fancy && compptr->downsampled_width > 2) { - if (jsimd_can_h2v2_fancy_upsample()) - upsample->methods[ci] = jsimd_h2v2_fancy_upsample; - else - upsample->methods[ci] = h2v2_fancy_upsample; - upsample->pub.need_context_rows = TRUE; - } else { - if (jsimd_can_h2v2_upsample()) - upsample->methods[ci] = jsimd_h2v2_upsample; - else - upsample->methods[ci] = h2v2_upsample; - } - } else if ((h_out_group % h_in_group) == 0 && - (v_out_group % v_in_group) == 0) { - /* Generic integral-factors upsampling method */ - upsample->methods[ci] = int_upsample; - upsample->h_expand[ci] = (UINT8) (h_out_group / h_in_group); - upsample->v_expand[ci] = (UINT8) (v_out_group / v_in_group); - } else - ERREXIT(cinfo, JERR_FRACT_SAMPLE_NOTIMPL); - if (need_buffer) { - upsample->color_buf[ci] = (*cinfo->mem->alloc_sarray) - ((j_common_ptr) cinfo, JPOOL_IMAGE, - (JDIMENSION) jround_up((long) cinfo->output_width, - (long) cinfo->max_h_samp_factor), - (JDIMENSION) cinfo->max_v_samp_factor); - } - } -} diff --git a/common/jpeg/jdtrans.c b/common/jpeg/jdtrans.c deleted file mode 100644 index 6c0ab715..00000000 --- a/common/jpeg/jdtrans.c +++ /dev/null @@ -1,143 +0,0 @@ -/* - * jdtrans.c - * - * Copyright (C) 1995-1997, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains library routines for transcoding decompression, - * that is, reading raw DCT coefficient arrays from an input JPEG file. - * The routines in jdapimin.c will also be needed by a transcoder. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" - - -/* Forward declarations */ -LOCAL(void) transdecode_master_selection JPP((j_decompress_ptr cinfo)); - - -/* - * Read the coefficient arrays from a JPEG file. - * jpeg_read_header must be completed before calling this. - * - * The entire image is read into a set of virtual coefficient-block arrays, - * one per component. The return value is a pointer to the array of - * virtual-array descriptors. These can be manipulated directly via the - * JPEG memory manager, or handed off to jpeg_write_coefficients(). - * To release the memory occupied by the virtual arrays, call - * jpeg_finish_decompress() when done with the data. - * - * An alternative usage is to simply obtain access to the coefficient arrays - * during a buffered-image-mode decompression operation. This is allowed - * after any jpeg_finish_output() call. The arrays can be accessed until - * jpeg_finish_decompress() is called. (Note that any call to the library - * may reposition the arrays, so don't rely on access_virt_barray() results - * to stay valid across library calls.) - * - * Returns NULL if suspended. This case need be checked only if - * a suspending data source is used. - */ - -GLOBAL(jvirt_barray_ptr *) -jpeg_read_coefficients (j_decompress_ptr cinfo) -{ - if (cinfo->global_state == DSTATE_READY) { - /* First call: initialize active modules */ - transdecode_master_selection(cinfo); - cinfo->global_state = DSTATE_RDCOEFS; - } - if (cinfo->global_state == DSTATE_RDCOEFS) { - /* Absorb whole file into the coef buffer */ - for (;;) { - int retcode; - /* Call progress monitor hook if present */ - if (cinfo->progress != NULL) - (*cinfo->progress->progress_monitor) ((j_common_ptr) cinfo); - /* Absorb some more input */ - retcode = (*cinfo->inputctl->consume_input) (cinfo); - if (retcode == JPEG_SUSPENDED) - return NULL; - if (retcode == JPEG_REACHED_EOI) - break; - /* Advance progress counter if appropriate */ - if (cinfo->progress != NULL && - (retcode == JPEG_ROW_COMPLETED || retcode == JPEG_REACHED_SOS)) { - if (++cinfo->progress->pass_counter >= cinfo->progress->pass_limit) { - /* startup underestimated number of scans; ratchet up one scan */ - cinfo->progress->pass_limit += (long) cinfo->total_iMCU_rows; - } - } - } - /* Set state so that jpeg_finish_decompress does the right thing */ - cinfo->global_state = DSTATE_STOPPING; - } - /* At this point we should be in state DSTATE_STOPPING if being used - * standalone, or in state DSTATE_BUFIMAGE if being invoked to get access - * to the coefficients during a full buffered-image-mode decompression. - */ - if ((cinfo->global_state == DSTATE_STOPPING || - cinfo->global_state == DSTATE_BUFIMAGE) && cinfo->buffered_image) { - return cinfo->coef->coef_arrays; - } - /* Oops, improper usage */ - ERREXIT1(cinfo, JERR_BAD_STATE, cinfo->global_state); - return NULL; /* keep compiler happy */ -} - - -/* - * Master selection of decompression modules for transcoding. - * This substitutes for jdmaster.c's initialization of the full decompressor. - */ - -LOCAL(void) -transdecode_master_selection (j_decompress_ptr cinfo) -{ - /* This is effectively a buffered-image operation. */ - cinfo->buffered_image = TRUE; - - /* Entropy decoding: either Huffman or arithmetic coding. */ - if (cinfo->arith_code) { - ERREXIT(cinfo, JERR_ARITH_NOTIMPL); - } else { - if (cinfo->progressive_mode) { -#ifdef D_PROGRESSIVE_SUPPORTED - jinit_phuff_decoder(cinfo); -#else - ERREXIT(cinfo, JERR_NOT_COMPILED); -#endif - } else - jinit_huff_decoder(cinfo); - } - - /* Always get a full-image coefficient buffer. */ - jinit_d_coef_controller(cinfo, TRUE); - - /* We can now tell the memory manager to allocate virtual arrays. */ - (*cinfo->mem->realize_virt_arrays) ((j_common_ptr) cinfo); - - /* Initialize input side of decompressor to consume first scan. */ - (*cinfo->inputctl->start_input_pass) (cinfo); - - /* Initialize progress monitoring. */ - if (cinfo->progress != NULL) { - int nscans; - /* Estimate number of scans to set pass_limit. */ - if (cinfo->progressive_mode) { - /* Arbitrarily estimate 2 interleaved DC scans + 3 AC scans/component. */ - nscans = 2 + 3 * cinfo->num_components; - } else if (cinfo->inputctl->has_multiple_scans) { - /* For a nonprogressive multiscan file, estimate 1 scan per component. */ - nscans = cinfo->num_components; - } else { - nscans = 1; - } - cinfo->progress->pass_counter = 0L; - cinfo->progress->pass_limit = (long) cinfo->total_iMCU_rows * nscans; - cinfo->progress->completed_passes = 0; - cinfo->progress->total_passes = 1; - } -} diff --git a/common/jpeg/jerror.c b/common/jpeg/jerror.c deleted file mode 100644 index 3da7be86..00000000 --- a/common/jpeg/jerror.c +++ /dev/null @@ -1,252 +0,0 @@ -/* - * jerror.c - * - * Copyright (C) 1991-1998, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains simple error-reporting and trace-message routines. - * These are suitable for Unix-like systems and others where writing to - * stderr is the right thing to do. Many applications will want to replace - * some or all of these routines. - * - * If you define USE_WINDOWS_MESSAGEBOX in jconfig.h or in the makefile, - * you get a Windows-specific hack to display error messages in a dialog box. - * It ain't much, but it beats dropping error messages into the bit bucket, - * which is what happens to output to stderr under most Windows C compilers. - * - * These routines are used by both the compression and decompression code. - */ - -/* this is not a core library module, so it doesn't define JPEG_INTERNALS */ -#include "jinclude.h" -#include "jpeglib.h" -#include "jversion.h" -#include "jerror.h" - -#ifdef USE_WINDOWS_MESSAGEBOX -#include <windows.h> -#endif - -#ifndef EXIT_FAILURE /* define exit() codes if not provided */ -#define EXIT_FAILURE 1 -#endif - - -/* - * Create the message string table. - * We do this from the master message list in jerror.h by re-reading - * jerror.h with a suitable definition for macro JMESSAGE. - * The message table is made an external symbol just in case any applications - * want to refer to it directly. - */ - -#ifdef NEED_SHORT_EXTERNAL_NAMES -#define jpeg_std_message_table jMsgTable -#endif - -#define JMESSAGE(code,string) string , - -const char * const jpeg_std_message_table[] = { -#include "jerror.h" - NULL -}; - - -/* - * Error exit handler: must not return to caller. - * - * Applications may override this if they want to get control back after - * an error. Typically one would longjmp somewhere instead of exiting. - * The setjmp buffer can be made a private field within an expanded error - * handler object. Note that the info needed to generate an error message - * is stored in the error object, so you can generate the message now or - * later, at your convenience. - * You should make sure that the JPEG object is cleaned up (with jpeg_abort - * or jpeg_destroy) at some point. - */ - -METHODDEF(void) -error_exit (j_common_ptr cinfo) -{ - /* Always display the message */ - (*cinfo->err->output_message) (cinfo); - - /* Let the memory manager delete any temp files before we die */ - jpeg_destroy(cinfo); - - exit(EXIT_FAILURE); -} - - -/* - * Actual output of an error or trace message. - * Applications may override this method to send JPEG messages somewhere - * other than stderr. - * - * On Windows, printing to stderr is generally completely useless, - * so we provide optional code to produce an error-dialog popup. - * Most Windows applications will still prefer to override this routine, - * but if they don't, it'll do something at least marginally useful. - * - * NOTE: to use the library in an environment that doesn't support the - * C stdio library, you may have to delete the call to fprintf() entirely, - * not just not use this routine. - */ - -METHODDEF(void) -output_message (j_common_ptr cinfo) -{ - char buffer[JMSG_LENGTH_MAX]; - - /* Create the message */ - (*cinfo->err->format_message) (cinfo, buffer); - -#ifdef USE_WINDOWS_MESSAGEBOX - /* Display it in a message dialog box */ - MessageBox(GetActiveWindow(), buffer, "JPEG Library Error", - MB_OK | MB_ICONERROR); -#else - /* Send it to stderr, adding a newline */ - fprintf(stderr, "%s\n", buffer); -#endif -} - - -/* - * Decide whether to emit a trace or warning message. - * msg_level is one of: - * -1: recoverable corrupt-data warning, may want to abort. - * 0: important advisory messages (always display to user). - * 1: first level of tracing detail. - * 2,3,...: successively more detailed tracing messages. - * An application might override this method if it wanted to abort on warnings - * or change the policy about which messages to display. - */ - -METHODDEF(void) -emit_message (j_common_ptr cinfo, int msg_level) -{ - struct jpeg_error_mgr * err = cinfo->err; - - if (msg_level < 0) { - /* It's a warning message. Since corrupt files may generate many warnings, - * the policy implemented here is to show only the first warning, - * unless trace_level >= 3. - */ - if (err->num_warnings == 0 || err->trace_level >= 3) - (*err->output_message) (cinfo); - /* Always count warnings in num_warnings. */ - err->num_warnings++; - } else { - /* It's a trace message. Show it if trace_level >= msg_level. */ - if (err->trace_level >= msg_level) - (*err->output_message) (cinfo); - } -} - - -/* - * Format a message string for the most recent JPEG error or message. - * The message is stored into buffer, which should be at least JMSG_LENGTH_MAX - * characters. Note that no '\n' character is added to the string. - * Few applications should need to override this method. - */ - -METHODDEF(void) -format_message (j_common_ptr cinfo, char * buffer) -{ - struct jpeg_error_mgr * err = cinfo->err; - int msg_code = err->msg_code; - const char * msgtext = NULL; - const char * msgptr; - char ch; - boolean isstring; - - /* Look up message string in proper table */ - if (msg_code > 0 && msg_code <= err->last_jpeg_message) { - msgtext = err->jpeg_message_table[msg_code]; - } else if (err->addon_message_table != NULL && - msg_code >= err->first_addon_message && - msg_code <= err->last_addon_message) { - msgtext = err->addon_message_table[msg_code - err->first_addon_message]; - } - - /* Defend against bogus message number */ - if (msgtext == NULL) { - err->msg_parm.i[0] = msg_code; - msgtext = err->jpeg_message_table[0]; - } - - /* Check for string parameter, as indicated by %s in the message text */ - isstring = FALSE; - msgptr = msgtext; - while ((ch = *msgptr++) != '\0') { - if (ch == '%') { - if (*msgptr == 's') isstring = TRUE; - break; - } - } - - /* Format the message into the passed buffer */ - if (isstring) - sprintf(buffer, msgtext, err->msg_parm.s); - else - sprintf(buffer, msgtext, - err->msg_parm.i[0], err->msg_parm.i[1], - err->msg_parm.i[2], err->msg_parm.i[3], - err->msg_parm.i[4], err->msg_parm.i[5], - err->msg_parm.i[6], err->msg_parm.i[7]); -} - - -/* - * Reset error state variables at start of a new image. - * This is called during compression startup to reset trace/error - * processing to default state, without losing any application-specific - * method pointers. An application might possibly want to override - * this method if it has additional error processing state. - */ - -METHODDEF(void) -reset_error_mgr (j_common_ptr cinfo) -{ - cinfo->err->num_warnings = 0; - /* trace_level is not reset since it is an application-supplied parameter */ - cinfo->err->msg_code = 0; /* may be useful as a flag for "no error" */ -} - - -/* - * Fill in the standard error-handling methods in a jpeg_error_mgr object. - * Typical call is: - * struct jpeg_compress_struct cinfo; - * struct jpeg_error_mgr err; - * - * cinfo.err = jpeg_std_error(&err); - * after which the application may override some of the methods. - */ - -GLOBAL(struct jpeg_error_mgr *) -jpeg_std_error (struct jpeg_error_mgr * err) -{ - err->error_exit = error_exit; - err->emit_message = emit_message; - err->output_message = output_message; - err->format_message = format_message; - err->reset_error_mgr = reset_error_mgr; - - err->trace_level = 0; /* default = no tracing */ - err->num_warnings = 0; /* no warnings emitted yet */ - err->msg_code = 0; /* may be useful as a flag for "no error" */ - - /* Initialize message table pointers */ - err->jpeg_message_table = jpeg_std_message_table; - err->last_jpeg_message = (int) JMSG_LASTMSGCODE - 1; - - err->addon_message_table = NULL; - err->first_addon_message = 0; /* for safety */ - err->last_addon_message = 0; - - return err; -} diff --git a/common/jpeg/jerror.h b/common/jpeg/jerror.h deleted file mode 100644 index fc2fffea..00000000 --- a/common/jpeg/jerror.h +++ /dev/null @@ -1,291 +0,0 @@ -/* - * jerror.h - * - * Copyright (C) 1994-1997, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file defines the error and message codes for the JPEG library. - * Edit this file to add new codes, or to translate the message strings to - * some other language. - * A set of error-reporting macros are defined too. Some applications using - * the JPEG library may wish to include this file to get the error codes - * and/or the macros. - */ - -/* - * To define the enum list of message codes, include this file without - * defining macro JMESSAGE. To create a message string table, include it - * again with a suitable JMESSAGE definition (see jerror.c for an example). - */ -#ifndef JMESSAGE -#ifndef JERROR_H -/* First time through, define the enum list */ -#define JMAKE_ENUM_LIST -#else -/* Repeated inclusions of this file are no-ops unless JMESSAGE is defined */ -#define JMESSAGE(code,string) -#endif /* JERROR_H */ -#endif /* JMESSAGE */ - -#ifdef JMAKE_ENUM_LIST - -typedef enum { - -#define JMESSAGE(code,string) code , - -#endif /* JMAKE_ENUM_LIST */ - -JMESSAGE(JMSG_NOMESSAGE, "Bogus message code %d") /* Must be first entry! */ - -/* For maintenance convenience, list is alphabetical by message code name */ -JMESSAGE(JERR_ARITH_NOTIMPL, - "Sorry, there are legal restrictions on arithmetic coding") -JMESSAGE(JERR_BAD_ALIGN_TYPE, "ALIGN_TYPE is wrong, please fix") -JMESSAGE(JERR_BAD_ALLOC_CHUNK, "MAX_ALLOC_CHUNK is wrong, please fix") -JMESSAGE(JERR_BAD_BUFFER_MODE, "Bogus buffer control mode") -JMESSAGE(JERR_BAD_COMPONENT_ID, "Invalid component ID %d in SOS") -JMESSAGE(JERR_BAD_DCT_COEF, "DCT coefficient out of range") -JMESSAGE(JERR_BAD_DCTSIZE, "IDCT output block size %d not supported") -JMESSAGE(JERR_BAD_HUFF_TABLE, "Bogus Huffman table definition") -JMESSAGE(JERR_BAD_IN_COLORSPACE, "Bogus input colorspace") -JMESSAGE(JERR_BAD_J_COLORSPACE, "Bogus JPEG colorspace") -JMESSAGE(JERR_BAD_LENGTH, "Bogus marker length") -JMESSAGE(JERR_BAD_LIB_VERSION, - "Wrong JPEG library version: library is %d, caller expects %d") -JMESSAGE(JERR_BAD_MCU_SIZE, "Sampling factors too large for interleaved scan") -JMESSAGE(JERR_BAD_POOL_ID, "Invalid memory pool code %d") -JMESSAGE(JERR_BAD_PRECISION, "Unsupported JPEG data precision %d") -JMESSAGE(JERR_BAD_PROGRESSION, - "Invalid progressive parameters Ss=%d Se=%d Ah=%d Al=%d") -JMESSAGE(JERR_BAD_PROG_SCRIPT, - "Invalid progressive parameters at scan script entry %d") -JMESSAGE(JERR_BAD_SAMPLING, "Bogus sampling factors") -JMESSAGE(JERR_BAD_SCAN_SCRIPT, "Invalid scan script at entry %d") -JMESSAGE(JERR_BAD_STATE, "Improper call to JPEG library in state %d") -JMESSAGE(JERR_BAD_STRUCT_SIZE, - "JPEG parameter struct mismatch: library thinks size is %u, caller expects %u") -JMESSAGE(JERR_BAD_VIRTUAL_ACCESS, "Bogus virtual array access") -JMESSAGE(JERR_BUFFER_SIZE, "Buffer passed to JPEG library is too small") -JMESSAGE(JERR_CANT_SUSPEND, "Suspension not allowed here") -JMESSAGE(JERR_CCIR601_NOTIMPL, "CCIR601 sampling not implemented yet") -JMESSAGE(JERR_COMPONENT_COUNT, "Too many color components: %d, max %d") -JMESSAGE(JERR_CONVERSION_NOTIMPL, "Unsupported color conversion request") -JMESSAGE(JERR_DAC_INDEX, "Bogus DAC index %d") -JMESSAGE(JERR_DAC_VALUE, "Bogus DAC value 0x%x") -JMESSAGE(JERR_DHT_INDEX, "Bogus DHT index %d") -JMESSAGE(JERR_DQT_INDEX, "Bogus DQT index %d") -JMESSAGE(JERR_EMPTY_IMAGE, "Empty JPEG image (DNL not supported)") -JMESSAGE(JERR_EMS_READ, "Read from EMS failed") -JMESSAGE(JERR_EMS_WRITE, "Write to EMS failed") -JMESSAGE(JERR_EOI_EXPECTED, "Didn't expect more than one scan") -JMESSAGE(JERR_FILE_READ, "Input file read error") -JMESSAGE(JERR_FILE_WRITE, "Output file write error --- out of disk space?") -JMESSAGE(JERR_FRACT_SAMPLE_NOTIMPL, "Fractional sampling not implemented yet") -JMESSAGE(JERR_HUFF_CLEN_OVERFLOW, "Huffman code size table overflow") -JMESSAGE(JERR_HUFF_MISSING_CODE, "Missing Huffman code table entry") -JMESSAGE(JERR_IMAGE_TOO_BIG, "Maximum supported image dimension is %u pixels") -JMESSAGE(JERR_INPUT_EMPTY, "Empty input file") -JMESSAGE(JERR_INPUT_EOF, "Premature end of input file") -JMESSAGE(JERR_MISMATCHED_QUANT_TABLE, - "Cannot transcode due to multiple use of quantization table %d") -JMESSAGE(JERR_MISSING_DATA, "Scan script does not transmit all data") -JMESSAGE(JERR_MODE_CHANGE, "Invalid color quantization mode change") -JMESSAGE(JERR_NOTIMPL, "Not implemented yet") -JMESSAGE(JERR_NOT_COMPILED, "Requested feature was omitted at compile time") -JMESSAGE(JERR_NO_BACKING_STORE, "Backing store not supported") -JMESSAGE(JERR_NO_HUFF_TABLE, "Huffman table 0x%02x was not defined") -JMESSAGE(JERR_NO_IMAGE, "JPEG datastream contains no image") -JMESSAGE(JERR_NO_QUANT_TABLE, "Quantization table 0x%02x was not defined") -JMESSAGE(JERR_NO_SOI, "Not a JPEG file: starts with 0x%02x 0x%02x") -JMESSAGE(JERR_OUT_OF_MEMORY, "Insufficient memory (case %d)") -JMESSAGE(JERR_QUANT_COMPONENTS, - "Cannot quantize more than %d color components") -JMESSAGE(JERR_QUANT_FEW_COLORS, "Cannot quantize to fewer than %d colors") -JMESSAGE(JERR_QUANT_MANY_COLORS, "Cannot quantize to more than %d colors") -JMESSAGE(JERR_SOF_DUPLICATE, "Invalid JPEG file structure: two SOF markers") -JMESSAGE(JERR_SOF_NO_SOS, "Invalid JPEG file structure: missing SOS marker") -JMESSAGE(JERR_SOF_UNSUPPORTED, "Unsupported JPEG process: SOF type 0x%02x") -JMESSAGE(JERR_SOI_DUPLICATE, "Invalid JPEG file structure: two SOI markers") -JMESSAGE(JERR_SOS_NO_SOF, "Invalid JPEG file structure: SOS before SOF") -JMESSAGE(JERR_TFILE_CREATE, "Failed to create temporary file %s") -JMESSAGE(JERR_TFILE_READ, "Read failed on temporary file") -JMESSAGE(JERR_TFILE_SEEK, "Seek failed on temporary file") -JMESSAGE(JERR_TFILE_WRITE, - "Write failed on temporary file --- out of disk space?") -JMESSAGE(JERR_TOO_LITTLE_DATA, "Application transferred too few scanlines") -JMESSAGE(JERR_UNKNOWN_MARKER, "Unsupported marker type 0x%02x") -JMESSAGE(JERR_VIRTUAL_BUG, "Virtual array controller messed up") -JMESSAGE(JERR_WIDTH_OVERFLOW, "Image too wide for this implementation") -JMESSAGE(JERR_XMS_READ, "Read from XMS failed") -JMESSAGE(JERR_XMS_WRITE, "Write to XMS failed") -JMESSAGE(JMSG_COPYRIGHT, JCOPYRIGHT) -JMESSAGE(JMSG_VERSION, JVERSION) -JMESSAGE(JTRC_16BIT_TABLES, - "Caution: quantization tables are too coarse for baseline JPEG") -JMESSAGE(JTRC_ADOBE, - "Adobe APP14 marker: version %d, flags 0x%04x 0x%04x, transform %d") -JMESSAGE(JTRC_APP0, "Unknown APP0 marker (not JFIF), length %u") -JMESSAGE(JTRC_APP14, "Unknown APP14 marker (not Adobe), length %u") -JMESSAGE(JTRC_DAC, "Define Arithmetic Table 0x%02x: 0x%02x") -JMESSAGE(JTRC_DHT, "Define Huffman Table 0x%02x") -JMESSAGE(JTRC_DQT, "Define Quantization Table %d precision %d") -JMESSAGE(JTRC_DRI, "Define Restart Interval %u") -JMESSAGE(JTRC_EMS_CLOSE, "Freed EMS handle %u") -JMESSAGE(JTRC_EMS_OPEN, "Obtained EMS handle %u") -JMESSAGE(JTRC_EOI, "End Of Image") -JMESSAGE(JTRC_HUFFBITS, " %3d %3d %3d %3d %3d %3d %3d %3d") -JMESSAGE(JTRC_JFIF, "JFIF APP0 marker: version %d.%02d, density %dx%d %d") -JMESSAGE(JTRC_JFIF_BADTHUMBNAILSIZE, - "Warning: thumbnail image size does not match data length %u") -JMESSAGE(JTRC_JFIF_EXTENSION, - "JFIF extension marker: type 0x%02x, length %u") -JMESSAGE(JTRC_JFIF_THUMBNAIL, " with %d x %d thumbnail image") -JMESSAGE(JTRC_MISC_MARKER, "Miscellaneous marker 0x%02x, length %u") -JMESSAGE(JTRC_PARMLESS_MARKER, "Unexpected marker 0x%02x") -JMESSAGE(JTRC_QUANTVALS, " %4u %4u %4u %4u %4u %4u %4u %4u") -JMESSAGE(JTRC_QUANT_3_NCOLORS, "Quantizing to %d = %d*%d*%d colors") -JMESSAGE(JTRC_QUANT_NCOLORS, "Quantizing to %d colors") -JMESSAGE(JTRC_QUANT_SELECTED, "Selected %d colors for quantization") -JMESSAGE(JTRC_RECOVERY_ACTION, "At marker 0x%02x, recovery action %d") -JMESSAGE(JTRC_RST, "RST%d") -JMESSAGE(JTRC_SMOOTH_NOTIMPL, - "Smoothing not supported with nonstandard sampling ratios") -JMESSAGE(JTRC_SOF, "Start Of Frame 0x%02x: width=%u, height=%u, components=%d") -JMESSAGE(JTRC_SOF_COMPONENT, " Component %d: %dhx%dv q=%d") -JMESSAGE(JTRC_SOI, "Start of Image") -JMESSAGE(JTRC_SOS, "Start Of Scan: %d components") -JMESSAGE(JTRC_SOS_COMPONENT, " Component %d: dc=%d ac=%d") -JMESSAGE(JTRC_SOS_PARAMS, " Ss=%d, Se=%d, Ah=%d, Al=%d") -JMESSAGE(JTRC_TFILE_CLOSE, "Closed temporary file %s") -JMESSAGE(JTRC_TFILE_OPEN, "Opened temporary file %s") -JMESSAGE(JTRC_THUMB_JPEG, - "JFIF extension marker: JPEG-compressed thumbnail image, length %u") -JMESSAGE(JTRC_THUMB_PALETTE, - "JFIF extension marker: palette thumbnail image, length %u") -JMESSAGE(JTRC_THUMB_RGB, - "JFIF extension marker: RGB thumbnail image, length %u") -JMESSAGE(JTRC_UNKNOWN_IDS, - "Unrecognized component IDs %d %d %d, assuming YCbCr") -JMESSAGE(JTRC_XMS_CLOSE, "Freed XMS handle %u") -JMESSAGE(JTRC_XMS_OPEN, "Obtained XMS handle %u") -JMESSAGE(JWRN_ADOBE_XFORM, "Unknown Adobe color transform code %d") -JMESSAGE(JWRN_BOGUS_PROGRESSION, - "Inconsistent progression sequence for component %d coefficient %d") -JMESSAGE(JWRN_EXTRANEOUS_DATA, - "Corrupt JPEG data: %u extraneous bytes before marker 0x%02x") -JMESSAGE(JWRN_HIT_MARKER, "Corrupt JPEG data: premature end of data segment") -JMESSAGE(JWRN_HUFF_BAD_CODE, "Corrupt JPEG data: bad Huffman code") -JMESSAGE(JWRN_JFIF_MAJOR, "Warning: unknown JFIF revision number %d.%02d") -JMESSAGE(JWRN_JPEG_EOF, "Premature end of JPEG file") -JMESSAGE(JWRN_MUST_RESYNC, - "Corrupt JPEG data: found marker 0x%02x instead of RST%d") -JMESSAGE(JWRN_NOT_SEQUENTIAL, "Invalid SOS parameters for sequential JPEG") -JMESSAGE(JWRN_TOO_MUCH_DATA, "Application transferred too many scanlines") - -#ifdef JMAKE_ENUM_LIST - - JMSG_LASTMSGCODE -} J_MESSAGE_CODE; - -#undef JMAKE_ENUM_LIST -#endif /* JMAKE_ENUM_LIST */ - -/* Zap JMESSAGE macro so that future re-inclusions do nothing by default */ -#undef JMESSAGE - - -#ifndef JERROR_H -#define JERROR_H - -/* Macros to simplify using the error and trace message stuff */ -/* The first parameter is either type of cinfo pointer */ - -/* Fatal errors (print message and exit) */ -#define ERREXIT(cinfo,code) \ - ((cinfo)->err->msg_code = (code), \ - (*(cinfo)->err->error_exit) ((j_common_ptr) (cinfo))) -#define ERREXIT1(cinfo,code,p1) \ - ((cinfo)->err->msg_code = (code), \ - (cinfo)->err->msg_parm.i[0] = (p1), \ - (*(cinfo)->err->error_exit) ((j_common_ptr) (cinfo))) -#define ERREXIT2(cinfo,code,p1,p2) \ - ((cinfo)->err->msg_code = (code), \ - (cinfo)->err->msg_parm.i[0] = (p1), \ - (cinfo)->err->msg_parm.i[1] = (p2), \ - (*(cinfo)->err->error_exit) ((j_common_ptr) (cinfo))) -#define ERREXIT3(cinfo,code,p1,p2,p3) \ - ((cinfo)->err->msg_code = (code), \ - (cinfo)->err->msg_parm.i[0] = (p1), \ - (cinfo)->err->msg_parm.i[1] = (p2), \ - (cinfo)->err->msg_parm.i[2] = (p3), \ - (*(cinfo)->err->error_exit) ((j_common_ptr) (cinfo))) -#define ERREXIT4(cinfo,code,p1,p2,p3,p4) \ - ((cinfo)->err->msg_code = (code), \ - (cinfo)->err->msg_parm.i[0] = (p1), \ - (cinfo)->err->msg_parm.i[1] = (p2), \ - (cinfo)->err->msg_parm.i[2] = (p3), \ - (cinfo)->err->msg_parm.i[3] = (p4), \ - (*(cinfo)->err->error_exit) ((j_common_ptr) (cinfo))) -#define ERREXITS(cinfo,code,str) \ - ((cinfo)->err->msg_code = (code), \ - strncpy((cinfo)->err->msg_parm.s, (str), JMSG_STR_PARM_MAX), \ - (*(cinfo)->err->error_exit) ((j_common_ptr) (cinfo))) - -#define MAKESTMT(stuff) do { stuff } while (0) - -/* Nonfatal errors (we can keep going, but the data is probably corrupt) */ -#define WARNMS(cinfo,code) \ - ((cinfo)->err->msg_code = (code), \ - (*(cinfo)->err->emit_message) ((j_common_ptr) (cinfo), -1)) -#define WARNMS1(cinfo,code,p1) \ - ((cinfo)->err->msg_code = (code), \ - (cinfo)->err->msg_parm.i[0] = (p1), \ - (*(cinfo)->err->emit_message) ((j_common_ptr) (cinfo), -1)) -#define WARNMS2(cinfo,code,p1,p2) \ - ((cinfo)->err->msg_code = (code), \ - (cinfo)->err->msg_parm.i[0] = (p1), \ - (cinfo)->err->msg_parm.i[1] = (p2), \ - (*(cinfo)->err->emit_message) ((j_common_ptr) (cinfo), -1)) - -/* Informational/debugging messages */ -#define TRACEMS(cinfo,lvl,code) \ - ((cinfo)->err->msg_code = (code), \ - (*(cinfo)->err->emit_message) ((j_common_ptr) (cinfo), (lvl))) -#define TRACEMS1(cinfo,lvl,code,p1) \ - ((cinfo)->err->msg_code = (code), \ - (cinfo)->err->msg_parm.i[0] = (p1), \ - (*(cinfo)->err->emit_message) ((j_common_ptr) (cinfo), (lvl))) -#define TRACEMS2(cinfo,lvl,code,p1,p2) \ - ((cinfo)->err->msg_code = (code), \ - (cinfo)->err->msg_parm.i[0] = (p1), \ - (cinfo)->err->msg_parm.i[1] = (p2), \ - (*(cinfo)->err->emit_message) ((j_common_ptr) (cinfo), (lvl))) -#define TRACEMS3(cinfo,lvl,code,p1,p2,p3) \ - MAKESTMT(int * _mp = (cinfo)->err->msg_parm.i; \ - _mp[0] = (p1); _mp[1] = (p2); _mp[2] = (p3); \ - (cinfo)->err->msg_code = (code); \ - (*(cinfo)->err->emit_message) ((j_common_ptr) (cinfo), (lvl)); ) -#define TRACEMS4(cinfo,lvl,code,p1,p2,p3,p4) \ - MAKESTMT(int * _mp = (cinfo)->err->msg_parm.i; \ - _mp[0] = (p1); _mp[1] = (p2); _mp[2] = (p3); _mp[3] = (p4); \ - (cinfo)->err->msg_code = (code); \ - (*(cinfo)->err->emit_message) ((j_common_ptr) (cinfo), (lvl)); ) -#define TRACEMS5(cinfo,lvl,code,p1,p2,p3,p4,p5) \ - MAKESTMT(int * _mp = (cinfo)->err->msg_parm.i; \ - _mp[0] = (p1); _mp[1] = (p2); _mp[2] = (p3); _mp[3] = (p4); \ - _mp[4] = (p5); \ - (cinfo)->err->msg_code = (code); \ - (*(cinfo)->err->emit_message) ((j_common_ptr) (cinfo), (lvl)); ) -#define TRACEMS8(cinfo,lvl,code,p1,p2,p3,p4,p5,p6,p7,p8) \ - MAKESTMT(int * _mp = (cinfo)->err->msg_parm.i; \ - _mp[0] = (p1); _mp[1] = (p2); _mp[2] = (p3); _mp[3] = (p4); \ - _mp[4] = (p5); _mp[5] = (p6); _mp[6] = (p7); _mp[7] = (p8); \ - (cinfo)->err->msg_code = (code); \ - (*(cinfo)->err->emit_message) ((j_common_ptr) (cinfo), (lvl)); ) -#define TRACEMSS(cinfo,lvl,code,str) \ - ((cinfo)->err->msg_code = (code), \ - strncpy((cinfo)->err->msg_parm.s, (str), JMSG_STR_PARM_MAX), \ - (*(cinfo)->err->emit_message) ((j_common_ptr) (cinfo), (lvl))) - -#endif /* JERROR_H */ diff --git a/common/jpeg/jfdctflt.c b/common/jpeg/jfdctflt.c deleted file mode 100644 index 79d7a007..00000000 --- a/common/jpeg/jfdctflt.c +++ /dev/null @@ -1,168 +0,0 @@ -/* - * jfdctflt.c - * - * Copyright (C) 1994-1996, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains a floating-point implementation of the - * forward DCT (Discrete Cosine Transform). - * - * This implementation should be more accurate than either of the integer - * DCT implementations. However, it may not give the same results on all - * machines because of differences in roundoff behavior. Speed will depend - * on the hardware's floating point capacity. - * - * A 2-D DCT can be done by 1-D DCT on each row followed by 1-D DCT - * on each column. Direct algorithms are also available, but they are - * much more complex and seem not to be any faster when reduced to code. - * - * This implementation is based on Arai, Agui, and Nakajima's algorithm for - * scaled DCT. Their original paper (Trans. IEICE E-71(11):1095) is in - * Japanese, but the algorithm is described in the Pennebaker & Mitchell - * JPEG textbook (see REFERENCES section in file README). The following code - * is based directly on figure 4-8 in P&M. - * While an 8-point DCT cannot be done in less than 11 multiplies, it is - * possible to arrange the computation so that many of the multiplies are - * simple scalings of the final outputs. These multiplies can then be - * folded into the multiplications or divisions by the JPEG quantization - * table entries. The AA&N method leaves only 5 multiplies and 29 adds - * to be done in the DCT itself. - * The primary disadvantage of this method is that with a fixed-point - * implementation, accuracy is lost due to imprecise representation of the - * scaled quantization values. However, that problem does not arise if - * we use floating point arithmetic. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" -#include "jdct.h" /* Private declarations for DCT subsystem */ - -#ifdef DCT_FLOAT_SUPPORTED - - -/* - * This module is specialized to the case DCTSIZE = 8. - */ - -#if DCTSIZE != 8 - Sorry, this code only copes with 8x8 DCTs. /* deliberate syntax err */ -#endif - - -/* - * Perform the forward DCT on one block of samples. - */ - -GLOBAL(void) -jpeg_fdct_float (FAST_FLOAT * data) -{ - FAST_FLOAT tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7; - FAST_FLOAT tmp10, tmp11, tmp12, tmp13; - FAST_FLOAT z1, z2, z3, z4, z5, z11, z13; - FAST_FLOAT *dataptr; - int ctr; - - /* Pass 1: process rows. */ - - dataptr = data; - for (ctr = DCTSIZE-1; ctr >= 0; ctr--) { - tmp0 = dataptr[0] + dataptr[7]; - tmp7 = dataptr[0] - dataptr[7]; - tmp1 = dataptr[1] + dataptr[6]; - tmp6 = dataptr[1] - dataptr[6]; - tmp2 = dataptr[2] + dataptr[5]; - tmp5 = dataptr[2] - dataptr[5]; - tmp3 = dataptr[3] + dataptr[4]; - tmp4 = dataptr[3] - dataptr[4]; - - /* Even part */ - - tmp10 = tmp0 + tmp3; /* phase 2 */ - tmp13 = tmp0 - tmp3; - tmp11 = tmp1 + tmp2; - tmp12 = tmp1 - tmp2; - - dataptr[0] = tmp10 + tmp11; /* phase 3 */ - dataptr[4] = tmp10 - tmp11; - - z1 = (tmp12 + tmp13) * ((FAST_FLOAT) 0.707106781); /* c4 */ - dataptr[2] = tmp13 + z1; /* phase 5 */ - dataptr[6] = tmp13 - z1; - - /* Odd part */ - - tmp10 = tmp4 + tmp5; /* phase 2 */ - tmp11 = tmp5 + tmp6; - tmp12 = tmp6 + tmp7; - - /* The rotator is modified from fig 4-8 to avoid extra negations. */ - z5 = (tmp10 - tmp12) * ((FAST_FLOAT) 0.382683433); /* c6 */ - z2 = ((FAST_FLOAT) 0.541196100) * tmp10 + z5; /* c2-c6 */ - z4 = ((FAST_FLOAT) 1.306562965) * tmp12 + z5; /* c2+c6 */ - z3 = tmp11 * ((FAST_FLOAT) 0.707106781); /* c4 */ - - z11 = tmp7 + z3; /* phase 5 */ - z13 = tmp7 - z3; - - dataptr[5] = z13 + z2; /* phase 6 */ - dataptr[3] = z13 - z2; - dataptr[1] = z11 + z4; - dataptr[7] = z11 - z4; - - dataptr += DCTSIZE; /* advance pointer to next row */ - } - - /* Pass 2: process columns. */ - - dataptr = data; - for (ctr = DCTSIZE-1; ctr >= 0; ctr--) { - tmp0 = dataptr[DCTSIZE*0] + dataptr[DCTSIZE*7]; - tmp7 = dataptr[DCTSIZE*0] - dataptr[DCTSIZE*7]; - tmp1 = dataptr[DCTSIZE*1] + dataptr[DCTSIZE*6]; - tmp6 = dataptr[DCTSIZE*1] - dataptr[DCTSIZE*6]; - tmp2 = dataptr[DCTSIZE*2] + dataptr[DCTSIZE*5]; - tmp5 = dataptr[DCTSIZE*2] - dataptr[DCTSIZE*5]; - tmp3 = dataptr[DCTSIZE*3] + dataptr[DCTSIZE*4]; - tmp4 = dataptr[DCTSIZE*3] - dataptr[DCTSIZE*4]; - - /* Even part */ - - tmp10 = tmp0 + tmp3; /* phase 2 */ - tmp13 = tmp0 - tmp3; - tmp11 = tmp1 + tmp2; - tmp12 = tmp1 - tmp2; - - dataptr[DCTSIZE*0] = tmp10 + tmp11; /* phase 3 */ - dataptr[DCTSIZE*4] = tmp10 - tmp11; - - z1 = (tmp12 + tmp13) * ((FAST_FLOAT) 0.707106781); /* c4 */ - dataptr[DCTSIZE*2] = tmp13 + z1; /* phase 5 */ - dataptr[DCTSIZE*6] = tmp13 - z1; - - /* Odd part */ - - tmp10 = tmp4 + tmp5; /* phase 2 */ - tmp11 = tmp5 + tmp6; - tmp12 = tmp6 + tmp7; - - /* The rotator is modified from fig 4-8 to avoid extra negations. */ - z5 = (tmp10 - tmp12) * ((FAST_FLOAT) 0.382683433); /* c6 */ - z2 = ((FAST_FLOAT) 0.541196100) * tmp10 + z5; /* c2-c6 */ - z4 = ((FAST_FLOAT) 1.306562965) * tmp12 + z5; /* c2+c6 */ - z3 = tmp11 * ((FAST_FLOAT) 0.707106781); /* c4 */ - - z11 = tmp7 + z3; /* phase 5 */ - z13 = tmp7 - z3; - - dataptr[DCTSIZE*5] = z13 + z2; /* phase 6 */ - dataptr[DCTSIZE*3] = z13 - z2; - dataptr[DCTSIZE*1] = z11 + z4; - dataptr[DCTSIZE*7] = z11 - z4; - - dataptr++; /* advance pointer to next column */ - } -} - -#endif /* DCT_FLOAT_SUPPORTED */ diff --git a/common/jpeg/jfdctfst.c b/common/jpeg/jfdctfst.c deleted file mode 100644 index ccb378a3..00000000 --- a/common/jpeg/jfdctfst.c +++ /dev/null @@ -1,224 +0,0 @@ -/* - * jfdctfst.c - * - * Copyright (C) 1994-1996, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains a fast, not so accurate integer implementation of the - * forward DCT (Discrete Cosine Transform). - * - * A 2-D DCT can be done by 1-D DCT on each row followed by 1-D DCT - * on each column. Direct algorithms are also available, but they are - * much more complex and seem not to be any faster when reduced to code. - * - * This implementation is based on Arai, Agui, and Nakajima's algorithm for - * scaled DCT. Their original paper (Trans. IEICE E-71(11):1095) is in - * Japanese, but the algorithm is described in the Pennebaker & Mitchell - * JPEG textbook (see REFERENCES section in file README). The following code - * is based directly on figure 4-8 in P&M. - * While an 8-point DCT cannot be done in less than 11 multiplies, it is - * possible to arrange the computation so that many of the multiplies are - * simple scalings of the final outputs. These multiplies can then be - * folded into the multiplications or divisions by the JPEG quantization - * table entries. The AA&N method leaves only 5 multiplies and 29 adds - * to be done in the DCT itself. - * The primary disadvantage of this method is that with fixed-point math, - * accuracy is lost due to imprecise representation of the scaled - * quantization values. The smaller the quantization table entry, the less - * precise the scaled value, so this implementation does worse with high- - * quality-setting files than with low-quality ones. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" -#include "jdct.h" /* Private declarations for DCT subsystem */ - -#ifdef DCT_IFAST_SUPPORTED - - -/* - * This module is specialized to the case DCTSIZE = 8. - */ - -#if DCTSIZE != 8 - Sorry, this code only copes with 8x8 DCTs. /* deliberate syntax err */ -#endif - - -/* Scaling decisions are generally the same as in the LL&M algorithm; - * see jfdctint.c for more details. However, we choose to descale - * (right shift) multiplication products as soon as they are formed, - * rather than carrying additional fractional bits into subsequent additions. - * This compromises accuracy slightly, but it lets us save a few shifts. - * More importantly, 16-bit arithmetic is then adequate (for 8-bit samples) - * everywhere except in the multiplications proper; this saves a good deal - * of work on 16-bit-int machines. - * - * Again to save a few shifts, the intermediate results between pass 1 and - * pass 2 are not upscaled, but are represented only to integral precision. - * - * A final compromise is to represent the multiplicative constants to only - * 8 fractional bits, rather than 13. This saves some shifting work on some - * machines, and may also reduce the cost of multiplication (since there - * are fewer one-bits in the constants). - */ - -#define CONST_BITS 8 - - -/* Some C compilers fail to reduce "FIX(constant)" at compile time, thus - * causing a lot of useless floating-point operations at run time. - * To get around this we use the following pre-calculated constants. - * If you change CONST_BITS you may want to add appropriate values. - * (With a reasonable C compiler, you can just rely on the FIX() macro...) - */ - -#if CONST_BITS == 8 -#define FIX_0_382683433 ((INT32) 98) /* FIX(0.382683433) */ -#define FIX_0_541196100 ((INT32) 139) /* FIX(0.541196100) */ -#define FIX_0_707106781 ((INT32) 181) /* FIX(0.707106781) */ -#define FIX_1_306562965 ((INT32) 334) /* FIX(1.306562965) */ -#else -#define FIX_0_382683433 FIX(0.382683433) -#define FIX_0_541196100 FIX(0.541196100) -#define FIX_0_707106781 FIX(0.707106781) -#define FIX_1_306562965 FIX(1.306562965) -#endif - - -/* We can gain a little more speed, with a further compromise in accuracy, - * by omitting the addition in a descaling shift. This yields an incorrectly - * rounded result half the time... - */ - -#ifndef USE_ACCURATE_ROUNDING -#undef DESCALE -#define DESCALE(x,n) RIGHT_SHIFT(x, n) -#endif - - -/* Multiply a DCTELEM variable by an INT32 constant, and immediately - * descale to yield a DCTELEM result. - */ - -#define MULTIPLY(var,const) ((DCTELEM) DESCALE((var) * (const), CONST_BITS)) - - -/* - * Perform the forward DCT on one block of samples. - */ - -GLOBAL(void) -jpeg_fdct_ifast (DCTELEM * data) -{ - DCTELEM tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7; - DCTELEM tmp10, tmp11, tmp12, tmp13; - DCTELEM z1, z2, z3, z4, z5, z11, z13; - DCTELEM *dataptr; - int ctr; - SHIFT_TEMPS - - /* Pass 1: process rows. */ - - dataptr = data; - for (ctr = DCTSIZE-1; ctr >= 0; ctr--) { - tmp0 = dataptr[0] + dataptr[7]; - tmp7 = dataptr[0] - dataptr[7]; - tmp1 = dataptr[1] + dataptr[6]; - tmp6 = dataptr[1] - dataptr[6]; - tmp2 = dataptr[2] + dataptr[5]; - tmp5 = dataptr[2] - dataptr[5]; - tmp3 = dataptr[3] + dataptr[4]; - tmp4 = dataptr[3] - dataptr[4]; - - /* Even part */ - - tmp10 = tmp0 + tmp3; /* phase 2 */ - tmp13 = tmp0 - tmp3; - tmp11 = tmp1 + tmp2; - tmp12 = tmp1 - tmp2; - - dataptr[0] = tmp10 + tmp11; /* phase 3 */ - dataptr[4] = tmp10 - tmp11; - - z1 = MULTIPLY(tmp12 + tmp13, FIX_0_707106781); /* c4 */ - dataptr[2] = tmp13 + z1; /* phase 5 */ - dataptr[6] = tmp13 - z1; - - /* Odd part */ - - tmp10 = tmp4 + tmp5; /* phase 2 */ - tmp11 = tmp5 + tmp6; - tmp12 = tmp6 + tmp7; - - /* The rotator is modified from fig 4-8 to avoid extra negations. */ - z5 = MULTIPLY(tmp10 - tmp12, FIX_0_382683433); /* c6 */ - z2 = MULTIPLY(tmp10, FIX_0_541196100) + z5; /* c2-c6 */ - z4 = MULTIPLY(tmp12, FIX_1_306562965) + z5; /* c2+c6 */ - z3 = MULTIPLY(tmp11, FIX_0_707106781); /* c4 */ - - z11 = tmp7 + z3; /* phase 5 */ - z13 = tmp7 - z3; - - dataptr[5] = z13 + z2; /* phase 6 */ - dataptr[3] = z13 - z2; - dataptr[1] = z11 + z4; - dataptr[7] = z11 - z4; - - dataptr += DCTSIZE; /* advance pointer to next row */ - } - - /* Pass 2: process columns. */ - - dataptr = data; - for (ctr = DCTSIZE-1; ctr >= 0; ctr--) { - tmp0 = dataptr[DCTSIZE*0] + dataptr[DCTSIZE*7]; - tmp7 = dataptr[DCTSIZE*0] - dataptr[DCTSIZE*7]; - tmp1 = dataptr[DCTSIZE*1] + dataptr[DCTSIZE*6]; - tmp6 = dataptr[DCTSIZE*1] - dataptr[DCTSIZE*6]; - tmp2 = dataptr[DCTSIZE*2] + dataptr[DCTSIZE*5]; - tmp5 = dataptr[DCTSIZE*2] - dataptr[DCTSIZE*5]; - tmp3 = dataptr[DCTSIZE*3] + dataptr[DCTSIZE*4]; - tmp4 = dataptr[DCTSIZE*3] - dataptr[DCTSIZE*4]; - - /* Even part */ - - tmp10 = tmp0 + tmp3; /* phase 2 */ - tmp13 = tmp0 - tmp3; - tmp11 = tmp1 + tmp2; - tmp12 = tmp1 - tmp2; - - dataptr[DCTSIZE*0] = tmp10 + tmp11; /* phase 3 */ - dataptr[DCTSIZE*4] = tmp10 - tmp11; - - z1 = MULTIPLY(tmp12 + tmp13, FIX_0_707106781); /* c4 */ - dataptr[DCTSIZE*2] = tmp13 + z1; /* phase 5 */ - dataptr[DCTSIZE*6] = tmp13 - z1; - - /* Odd part */ - - tmp10 = tmp4 + tmp5; /* phase 2 */ - tmp11 = tmp5 + tmp6; - tmp12 = tmp6 + tmp7; - - /* The rotator is modified from fig 4-8 to avoid extra negations. */ - z5 = MULTIPLY(tmp10 - tmp12, FIX_0_382683433); /* c6 */ - z2 = MULTIPLY(tmp10, FIX_0_541196100) + z5; /* c2-c6 */ - z4 = MULTIPLY(tmp12, FIX_1_306562965) + z5; /* c2+c6 */ - z3 = MULTIPLY(tmp11, FIX_0_707106781); /* c4 */ - - z11 = tmp7 + z3; /* phase 5 */ - z13 = tmp7 - z3; - - dataptr[DCTSIZE*5] = z13 + z2; /* phase 6 */ - dataptr[DCTSIZE*3] = z13 - z2; - dataptr[DCTSIZE*1] = z11 + z4; - dataptr[DCTSIZE*7] = z11 - z4; - - dataptr++; /* advance pointer to next column */ - } -} - -#endif /* DCT_IFAST_SUPPORTED */ diff --git a/common/jpeg/jfdctint.c b/common/jpeg/jfdctint.c deleted file mode 100644 index 0a78b64a..00000000 --- a/common/jpeg/jfdctint.c +++ /dev/null @@ -1,283 +0,0 @@ -/* - * jfdctint.c - * - * Copyright (C) 1991-1996, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains a slow-but-accurate integer implementation of the - * forward DCT (Discrete Cosine Transform). - * - * A 2-D DCT can be done by 1-D DCT on each row followed by 1-D DCT - * on each column. Direct algorithms are also available, but they are - * much more complex and seem not to be any faster when reduced to code. - * - * This implementation is based on an algorithm described in - * C. Loeffler, A. Ligtenberg and G. Moschytz, "Practical Fast 1-D DCT - * Algorithms with 11 Multiplications", Proc. Int'l. Conf. on Acoustics, - * Speech, and Signal Processing 1989 (ICASSP '89), pp. 988-991. - * The primary algorithm described there uses 11 multiplies and 29 adds. - * We use their alternate method with 12 multiplies and 32 adds. - * The advantage of this method is that no data path contains more than one - * multiplication; this allows a very simple and accurate implementation in - * scaled fixed-point arithmetic, with a minimal number of shifts. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" -#include "jdct.h" /* Private declarations for DCT subsystem */ - -#ifdef DCT_ISLOW_SUPPORTED - - -/* - * This module is specialized to the case DCTSIZE = 8. - */ - -#if DCTSIZE != 8 - Sorry, this code only copes with 8x8 DCTs. /* deliberate syntax err */ -#endif - - -/* - * The poop on this scaling stuff is as follows: - * - * Each 1-D DCT step produces outputs which are a factor of sqrt(N) - * larger than the true DCT outputs. The final outputs are therefore - * a factor of N larger than desired; since N=8 this can be cured by - * a simple right shift at the end of the algorithm. The advantage of - * this arrangement is that we save two multiplications per 1-D DCT, - * because the y0 and y4 outputs need not be divided by sqrt(N). - * In the IJG code, this factor of 8 is removed by the quantization step - * (in jcdctmgr.c), NOT in this module. - * - * We have to do addition and subtraction of the integer inputs, which - * is no problem, and multiplication by fractional constants, which is - * a problem to do in integer arithmetic. We multiply all the constants - * by CONST_SCALE and convert them to integer constants (thus retaining - * CONST_BITS bits of precision in the constants). After doing a - * multiplication we have to divide the product by CONST_SCALE, with proper - * rounding, to produce the correct output. This division can be done - * cheaply as a right shift of CONST_BITS bits. We postpone shifting - * as long as possible so that partial sums can be added together with - * full fractional precision. - * - * The outputs of the first pass are scaled up by PASS1_BITS bits so that - * they are represented to better-than-integral precision. These outputs - * require BITS_IN_JSAMPLE + PASS1_BITS + 3 bits; this fits in a 16-bit word - * with the recommended scaling. (For 12-bit sample data, the intermediate - * array is INT32 anyway.) - * - * To avoid overflow of the 32-bit intermediate results in pass 2, we must - * have BITS_IN_JSAMPLE + CONST_BITS + PASS1_BITS <= 26. Error analysis - * shows that the values given below are the most effective. - */ - -#if BITS_IN_JSAMPLE == 8 -#define CONST_BITS 13 -#define PASS1_BITS 2 -#else -#define CONST_BITS 13 -#define PASS1_BITS 1 /* lose a little precision to avoid overflow */ -#endif - -/* Some C compilers fail to reduce "FIX(constant)" at compile time, thus - * causing a lot of useless floating-point operations at run time. - * To get around this we use the following pre-calculated constants. - * If you change CONST_BITS you may want to add appropriate values. - * (With a reasonable C compiler, you can just rely on the FIX() macro...) - */ - -#if CONST_BITS == 13 -#define FIX_0_298631336 ((INT32) 2446) /* FIX(0.298631336) */ -#define FIX_0_390180644 ((INT32) 3196) /* FIX(0.390180644) */ -#define FIX_0_541196100 ((INT32) 4433) /* FIX(0.541196100) */ -#define FIX_0_765366865 ((INT32) 6270) /* FIX(0.765366865) */ -#define FIX_0_899976223 ((INT32) 7373) /* FIX(0.899976223) */ -#define FIX_1_175875602 ((INT32) 9633) /* FIX(1.175875602) */ -#define FIX_1_501321110 ((INT32) 12299) /* FIX(1.501321110) */ -#define FIX_1_847759065 ((INT32) 15137) /* FIX(1.847759065) */ -#define FIX_1_961570560 ((INT32) 16069) /* FIX(1.961570560) */ -#define FIX_2_053119869 ((INT32) 16819) /* FIX(2.053119869) */ -#define FIX_2_562915447 ((INT32) 20995) /* FIX(2.562915447) */ -#define FIX_3_072711026 ((INT32) 25172) /* FIX(3.072711026) */ -#else -#define FIX_0_298631336 FIX(0.298631336) -#define FIX_0_390180644 FIX(0.390180644) -#define FIX_0_541196100 FIX(0.541196100) -#define FIX_0_765366865 FIX(0.765366865) -#define FIX_0_899976223 FIX(0.899976223) -#define FIX_1_175875602 FIX(1.175875602) -#define FIX_1_501321110 FIX(1.501321110) -#define FIX_1_847759065 FIX(1.847759065) -#define FIX_1_961570560 FIX(1.961570560) -#define FIX_2_053119869 FIX(2.053119869) -#define FIX_2_562915447 FIX(2.562915447) -#define FIX_3_072711026 FIX(3.072711026) -#endif - - -/* Multiply an INT32 variable by an INT32 constant to yield an INT32 result. - * For 8-bit samples with the recommended scaling, all the variable - * and constant values involved are no more than 16 bits wide, so a - * 16x16->32 bit multiply can be used instead of a full 32x32 multiply. - * For 12-bit samples, a full 32-bit multiplication will be needed. - */ - -#if BITS_IN_JSAMPLE == 8 -#define MULTIPLY(var,const) MULTIPLY16C16(var,const) -#else -#define MULTIPLY(var,const) ((var) * (const)) -#endif - - -/* - * Perform the forward DCT on one block of samples. - */ - -GLOBAL(void) -jpeg_fdct_islow (DCTELEM * data) -{ - INT32 tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7; - INT32 tmp10, tmp11, tmp12, tmp13; - INT32 z1, z2, z3, z4, z5; - DCTELEM *dataptr; - int ctr; - SHIFT_TEMPS - - /* Pass 1: process rows. */ - /* Note results are scaled up by sqrt(8) compared to a true DCT; */ - /* furthermore, we scale the results by 2**PASS1_BITS. */ - - dataptr = data; - for (ctr = DCTSIZE-1; ctr >= 0; ctr--) { - tmp0 = dataptr[0] + dataptr[7]; - tmp7 = dataptr[0] - dataptr[7]; - tmp1 = dataptr[1] + dataptr[6]; - tmp6 = dataptr[1] - dataptr[6]; - tmp2 = dataptr[2] + dataptr[5]; - tmp5 = dataptr[2] - dataptr[5]; - tmp3 = dataptr[3] + dataptr[4]; - tmp4 = dataptr[3] - dataptr[4]; - - /* Even part per LL&M figure 1 --- note that published figure is faulty; - * rotator "sqrt(2)*c1" should be "sqrt(2)*c6". - */ - - tmp10 = tmp0 + tmp3; - tmp13 = tmp0 - tmp3; - tmp11 = tmp1 + tmp2; - tmp12 = tmp1 - tmp2; - - dataptr[0] = (DCTELEM) ((tmp10 + tmp11) << PASS1_BITS); - dataptr[4] = (DCTELEM) ((tmp10 - tmp11) << PASS1_BITS); - - z1 = MULTIPLY(tmp12 + tmp13, FIX_0_541196100); - dataptr[2] = (DCTELEM) DESCALE(z1 + MULTIPLY(tmp13, FIX_0_765366865), - CONST_BITS-PASS1_BITS); - dataptr[6] = (DCTELEM) DESCALE(z1 + MULTIPLY(tmp12, - FIX_1_847759065), - CONST_BITS-PASS1_BITS); - - /* Odd part per figure 8 --- note paper omits factor of sqrt(2). - * cK represents cos(K*pi/16). - * i0..i3 in the paper are tmp4..tmp7 here. - */ - - z1 = tmp4 + tmp7; - z2 = tmp5 + tmp6; - z3 = tmp4 + tmp6; - z4 = tmp5 + tmp7; - z5 = MULTIPLY(z3 + z4, FIX_1_175875602); /* sqrt(2) * c3 */ - - tmp4 = MULTIPLY(tmp4, FIX_0_298631336); /* sqrt(2) * (-c1+c3+c5-c7) */ - tmp5 = MULTIPLY(tmp5, FIX_2_053119869); /* sqrt(2) * ( c1+c3-c5+c7) */ - tmp6 = MULTIPLY(tmp6, FIX_3_072711026); /* sqrt(2) * ( c1+c3+c5-c7) */ - tmp7 = MULTIPLY(tmp7, FIX_1_501321110); /* sqrt(2) * ( c1+c3-c5-c7) */ - z1 = MULTIPLY(z1, - FIX_0_899976223); /* sqrt(2) * (c7-c3) */ - z2 = MULTIPLY(z2, - FIX_2_562915447); /* sqrt(2) * (-c1-c3) */ - z3 = MULTIPLY(z3, - FIX_1_961570560); /* sqrt(2) * (-c3-c5) */ - z4 = MULTIPLY(z4, - FIX_0_390180644); /* sqrt(2) * (c5-c3) */ - - z3 += z5; - z4 += z5; - - dataptr[7] = (DCTELEM) DESCALE(tmp4 + z1 + z3, CONST_BITS-PASS1_BITS); - dataptr[5] = (DCTELEM) DESCALE(tmp5 + z2 + z4, CONST_BITS-PASS1_BITS); - dataptr[3] = (DCTELEM) DESCALE(tmp6 + z2 + z3, CONST_BITS-PASS1_BITS); - dataptr[1] = (DCTELEM) DESCALE(tmp7 + z1 + z4, CONST_BITS-PASS1_BITS); - - dataptr += DCTSIZE; /* advance pointer to next row */ - } - - /* Pass 2: process columns. - * We remove the PASS1_BITS scaling, but leave the results scaled up - * by an overall factor of 8. - */ - - dataptr = data; - for (ctr = DCTSIZE-1; ctr >= 0; ctr--) { - tmp0 = dataptr[DCTSIZE*0] + dataptr[DCTSIZE*7]; - tmp7 = dataptr[DCTSIZE*0] - dataptr[DCTSIZE*7]; - tmp1 = dataptr[DCTSIZE*1] + dataptr[DCTSIZE*6]; - tmp6 = dataptr[DCTSIZE*1] - dataptr[DCTSIZE*6]; - tmp2 = dataptr[DCTSIZE*2] + dataptr[DCTSIZE*5]; - tmp5 = dataptr[DCTSIZE*2] - dataptr[DCTSIZE*5]; - tmp3 = dataptr[DCTSIZE*3] + dataptr[DCTSIZE*4]; - tmp4 = dataptr[DCTSIZE*3] - dataptr[DCTSIZE*4]; - - /* Even part per LL&M figure 1 --- note that published figure is faulty; - * rotator "sqrt(2)*c1" should be "sqrt(2)*c6". - */ - - tmp10 = tmp0 + tmp3; - tmp13 = tmp0 - tmp3; - tmp11 = tmp1 + tmp2; - tmp12 = tmp1 - tmp2; - - dataptr[DCTSIZE*0] = (DCTELEM) DESCALE(tmp10 + tmp11, PASS1_BITS); - dataptr[DCTSIZE*4] = (DCTELEM) DESCALE(tmp10 - tmp11, PASS1_BITS); - - z1 = MULTIPLY(tmp12 + tmp13, FIX_0_541196100); - dataptr[DCTSIZE*2] = (DCTELEM) DESCALE(z1 + MULTIPLY(tmp13, FIX_0_765366865), - CONST_BITS+PASS1_BITS); - dataptr[DCTSIZE*6] = (DCTELEM) DESCALE(z1 + MULTIPLY(tmp12, - FIX_1_847759065), - CONST_BITS+PASS1_BITS); - - /* Odd part per figure 8 --- note paper omits factor of sqrt(2). - * cK represents cos(K*pi/16). - * i0..i3 in the paper are tmp4..tmp7 here. - */ - - z1 = tmp4 + tmp7; - z2 = tmp5 + tmp6; - z3 = tmp4 + tmp6; - z4 = tmp5 + tmp7; - z5 = MULTIPLY(z3 + z4, FIX_1_175875602); /* sqrt(2) * c3 */ - - tmp4 = MULTIPLY(tmp4, FIX_0_298631336); /* sqrt(2) * (-c1+c3+c5-c7) */ - tmp5 = MULTIPLY(tmp5, FIX_2_053119869); /* sqrt(2) * ( c1+c3-c5+c7) */ - tmp6 = MULTIPLY(tmp6, FIX_3_072711026); /* sqrt(2) * ( c1+c3+c5-c7) */ - tmp7 = MULTIPLY(tmp7, FIX_1_501321110); /* sqrt(2) * ( c1+c3-c5-c7) */ - z1 = MULTIPLY(z1, - FIX_0_899976223); /* sqrt(2) * (c7-c3) */ - z2 = MULTIPLY(z2, - FIX_2_562915447); /* sqrt(2) * (-c1-c3) */ - z3 = MULTIPLY(z3, - FIX_1_961570560); /* sqrt(2) * (-c3-c5) */ - z4 = MULTIPLY(z4, - FIX_0_390180644); /* sqrt(2) * (c5-c3) */ - - z3 += z5; - z4 += z5; - - dataptr[DCTSIZE*7] = (DCTELEM) DESCALE(tmp4 + z1 + z3, - CONST_BITS+PASS1_BITS); - dataptr[DCTSIZE*5] = (DCTELEM) DESCALE(tmp5 + z2 + z4, - CONST_BITS+PASS1_BITS); - dataptr[DCTSIZE*3] = (DCTELEM) DESCALE(tmp6 + z2 + z3, - CONST_BITS+PASS1_BITS); - dataptr[DCTSIZE*1] = (DCTELEM) DESCALE(tmp7 + z1 + z4, - CONST_BITS+PASS1_BITS); - - dataptr++; /* advance pointer to next column */ - } -} - -#endif /* DCT_ISLOW_SUPPORTED */ diff --git a/common/jpeg/jidctflt.c b/common/jpeg/jidctflt.c deleted file mode 100644 index 0188ce3d..00000000 --- a/common/jpeg/jidctflt.c +++ /dev/null @@ -1,242 +0,0 @@ -/* - * jidctflt.c - * - * Copyright (C) 1994-1998, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains a floating-point implementation of the - * inverse DCT (Discrete Cosine Transform). In the IJG code, this routine - * must also perform dequantization of the input coefficients. - * - * This implementation should be more accurate than either of the integer - * IDCT implementations. However, it may not give the same results on all - * machines because of differences in roundoff behavior. Speed will depend - * on the hardware's floating point capacity. - * - * A 2-D IDCT can be done by 1-D IDCT on each column followed by 1-D IDCT - * on each row (or vice versa, but it's more convenient to emit a row at - * a time). Direct algorithms are also available, but they are much more - * complex and seem not to be any faster when reduced to code. - * - * This implementation is based on Arai, Agui, and Nakajima's algorithm for - * scaled DCT. Their original paper (Trans. IEICE E-71(11):1095) is in - * Japanese, but the algorithm is described in the Pennebaker & Mitchell - * JPEG textbook (see REFERENCES section in file README). The following code - * is based directly on figure 4-8 in P&M. - * While an 8-point DCT cannot be done in less than 11 multiplies, it is - * possible to arrange the computation so that many of the multiplies are - * simple scalings of the final outputs. These multiplies can then be - * folded into the multiplications or divisions by the JPEG quantization - * table entries. The AA&N method leaves only 5 multiplies and 29 adds - * to be done in the DCT itself. - * The primary disadvantage of this method is that with a fixed-point - * implementation, accuracy is lost due to imprecise representation of the - * scaled quantization values. However, that problem does not arise if - * we use floating point arithmetic. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" -#include "jdct.h" /* Private declarations for DCT subsystem */ - -#ifdef DCT_FLOAT_SUPPORTED - - -/* - * This module is specialized to the case DCTSIZE = 8. - */ - -#if DCTSIZE != 8 - Sorry, this code only copes with 8x8 DCTs. /* deliberate syntax err */ -#endif - - -/* Dequantize a coefficient by multiplying it by the multiplier-table - * entry; produce a float result. - */ - -#define DEQUANTIZE(coef,quantval) (((FAST_FLOAT) (coef)) * (quantval)) - - -/* - * Perform dequantization and inverse DCT on one block of coefficients. - */ - -GLOBAL(void) -jpeg_idct_float (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, - JSAMPARRAY output_buf, JDIMENSION output_col) -{ - FAST_FLOAT tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7; - FAST_FLOAT tmp10, tmp11, tmp12, tmp13; - FAST_FLOAT z5, z10, z11, z12, z13; - JCOEFPTR inptr; - FLOAT_MULT_TYPE * quantptr; - FAST_FLOAT * wsptr; - JSAMPROW outptr; - JSAMPLE *range_limit = IDCT_range_limit(cinfo); - int ctr; - FAST_FLOAT workspace[DCTSIZE2]; /* buffers data between passes */ - SHIFT_TEMPS - - /* Pass 1: process columns from input, store into work array. */ - - inptr = coef_block; - quantptr = (FLOAT_MULT_TYPE *) compptr->dct_table; - wsptr = workspace; - for (ctr = DCTSIZE; ctr > 0; ctr--) { - /* Due to quantization, we will usually find that many of the input - * coefficients are zero, especially the AC terms. We can exploit this - * by short-circuiting the IDCT calculation for any column in which all - * the AC terms are zero. In that case each output is equal to the - * DC coefficient (with scale factor as needed). - * With typical images and quantization tables, half or more of the - * column DCT calculations can be simplified this way. - */ - - if (inptr[DCTSIZE*1] == 0 && inptr[DCTSIZE*2] == 0 && - inptr[DCTSIZE*3] == 0 && inptr[DCTSIZE*4] == 0 && - inptr[DCTSIZE*5] == 0 && inptr[DCTSIZE*6] == 0 && - inptr[DCTSIZE*7] == 0) { - /* AC terms all zero */ - FAST_FLOAT dcval = DEQUANTIZE(inptr[DCTSIZE*0], quantptr[DCTSIZE*0]); - - wsptr[DCTSIZE*0] = dcval; - wsptr[DCTSIZE*1] = dcval; - wsptr[DCTSIZE*2] = dcval; - wsptr[DCTSIZE*3] = dcval; - wsptr[DCTSIZE*4] = dcval; - wsptr[DCTSIZE*5] = dcval; - wsptr[DCTSIZE*6] = dcval; - wsptr[DCTSIZE*7] = dcval; - - inptr++; /* advance pointers to next column */ - quantptr++; - wsptr++; - continue; - } - - /* Even part */ - - tmp0 = DEQUANTIZE(inptr[DCTSIZE*0], quantptr[DCTSIZE*0]); - tmp1 = DEQUANTIZE(inptr[DCTSIZE*2], quantptr[DCTSIZE*2]); - tmp2 = DEQUANTIZE(inptr[DCTSIZE*4], quantptr[DCTSIZE*4]); - tmp3 = DEQUANTIZE(inptr[DCTSIZE*6], quantptr[DCTSIZE*6]); - - tmp10 = tmp0 + tmp2; /* phase 3 */ - tmp11 = tmp0 - tmp2; - - tmp13 = tmp1 + tmp3; /* phases 5-3 */ - tmp12 = (tmp1 - tmp3) * ((FAST_FLOAT) 1.414213562) - tmp13; /* 2*c4 */ - - tmp0 = tmp10 + tmp13; /* phase 2 */ - tmp3 = tmp10 - tmp13; - tmp1 = tmp11 + tmp12; - tmp2 = tmp11 - tmp12; - - /* Odd part */ - - tmp4 = DEQUANTIZE(inptr[DCTSIZE*1], quantptr[DCTSIZE*1]); - tmp5 = DEQUANTIZE(inptr[DCTSIZE*3], quantptr[DCTSIZE*3]); - tmp6 = DEQUANTIZE(inptr[DCTSIZE*5], quantptr[DCTSIZE*5]); - tmp7 = DEQUANTIZE(inptr[DCTSIZE*7], quantptr[DCTSIZE*7]); - - z13 = tmp6 + tmp5; /* phase 6 */ - z10 = tmp6 - tmp5; - z11 = tmp4 + tmp7; - z12 = tmp4 - tmp7; - - tmp7 = z11 + z13; /* phase 5 */ - tmp11 = (z11 - z13) * ((FAST_FLOAT) 1.414213562); /* 2*c4 */ - - z5 = (z10 + z12) * ((FAST_FLOAT) 1.847759065); /* 2*c2 */ - tmp10 = ((FAST_FLOAT) 1.082392200) * z12 - z5; /* 2*(c2-c6) */ - tmp12 = ((FAST_FLOAT) -2.613125930) * z10 + z5; /* -2*(c2+c6) */ - - tmp6 = tmp12 - tmp7; /* phase 2 */ - tmp5 = tmp11 - tmp6; - tmp4 = tmp10 + tmp5; - - wsptr[DCTSIZE*0] = tmp0 + tmp7; - wsptr[DCTSIZE*7] = tmp0 - tmp7; - wsptr[DCTSIZE*1] = tmp1 + tmp6; - wsptr[DCTSIZE*6] = tmp1 - tmp6; - wsptr[DCTSIZE*2] = tmp2 + tmp5; - wsptr[DCTSIZE*5] = tmp2 - tmp5; - wsptr[DCTSIZE*4] = tmp3 + tmp4; - wsptr[DCTSIZE*3] = tmp3 - tmp4; - - inptr++; /* advance pointers to next column */ - quantptr++; - wsptr++; - } - - /* Pass 2: process rows from work array, store into output array. */ - /* Note that we must descale the results by a factor of 8 == 2**3. */ - - wsptr = workspace; - for (ctr = 0; ctr < DCTSIZE; ctr++) { - outptr = output_buf[ctr] + output_col; - /* Rows of zeroes can be exploited in the same way as we did with columns. - * However, the column calculation has created many nonzero AC terms, so - * the simplification applies less often (typically 5% to 10% of the time). - * And testing floats for zero is relatively expensive, so we don't bother. - */ - - /* Even part */ - - tmp10 = wsptr[0] + wsptr[4]; - tmp11 = wsptr[0] - wsptr[4]; - - tmp13 = wsptr[2] + wsptr[6]; - tmp12 = (wsptr[2] - wsptr[6]) * ((FAST_FLOAT) 1.414213562) - tmp13; - - tmp0 = tmp10 + tmp13; - tmp3 = tmp10 - tmp13; - tmp1 = tmp11 + tmp12; - tmp2 = tmp11 - tmp12; - - /* Odd part */ - - z13 = wsptr[5] + wsptr[3]; - z10 = wsptr[5] - wsptr[3]; - z11 = wsptr[1] + wsptr[7]; - z12 = wsptr[1] - wsptr[7]; - - tmp7 = z11 + z13; - tmp11 = (z11 - z13) * ((FAST_FLOAT) 1.414213562); - - z5 = (z10 + z12) * ((FAST_FLOAT) 1.847759065); /* 2*c2 */ - tmp10 = ((FAST_FLOAT) 1.082392200) * z12 - z5; /* 2*(c2-c6) */ - tmp12 = ((FAST_FLOAT) -2.613125930) * z10 + z5; /* -2*(c2+c6) */ - - tmp6 = tmp12 - tmp7; - tmp5 = tmp11 - tmp6; - tmp4 = tmp10 + tmp5; - - /* Final output stage: scale down by a factor of 8 and range-limit */ - - outptr[0] = range_limit[(int) DESCALE((INT32) (tmp0 + tmp7), 3) - & RANGE_MASK]; - outptr[7] = range_limit[(int) DESCALE((INT32) (tmp0 - tmp7), 3) - & RANGE_MASK]; - outptr[1] = range_limit[(int) DESCALE((INT32) (tmp1 + tmp6), 3) - & RANGE_MASK]; - outptr[6] = range_limit[(int) DESCALE((INT32) (tmp1 - tmp6), 3) - & RANGE_MASK]; - outptr[2] = range_limit[(int) DESCALE((INT32) (tmp2 + tmp5), 3) - & RANGE_MASK]; - outptr[5] = range_limit[(int) DESCALE((INT32) (tmp2 - tmp5), 3) - & RANGE_MASK]; - outptr[4] = range_limit[(int) DESCALE((INT32) (tmp3 + tmp4), 3) - & RANGE_MASK]; - outptr[3] = range_limit[(int) DESCALE((INT32) (tmp3 - tmp4), 3) - & RANGE_MASK]; - - wsptr += DCTSIZE; /* advance pointer to next row */ - } -} - -#endif /* DCT_FLOAT_SUPPORTED */ diff --git a/common/jpeg/jidctfst.c b/common/jpeg/jidctfst.c deleted file mode 100644 index dba4216f..00000000 --- a/common/jpeg/jidctfst.c +++ /dev/null @@ -1,368 +0,0 @@ -/* - * jidctfst.c - * - * Copyright (C) 1994-1998, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains a fast, not so accurate integer implementation of the - * inverse DCT (Discrete Cosine Transform). In the IJG code, this routine - * must also perform dequantization of the input coefficients. - * - * A 2-D IDCT can be done by 1-D IDCT on each column followed by 1-D IDCT - * on each row (or vice versa, but it's more convenient to emit a row at - * a time). Direct algorithms are also available, but they are much more - * complex and seem not to be any faster when reduced to code. - * - * This implementation is based on Arai, Agui, and Nakajima's algorithm for - * scaled DCT. Their original paper (Trans. IEICE E-71(11):1095) is in - * Japanese, but the algorithm is described in the Pennebaker & Mitchell - * JPEG textbook (see REFERENCES section in file README). The following code - * is based directly on figure 4-8 in P&M. - * While an 8-point DCT cannot be done in less than 11 multiplies, it is - * possible to arrange the computation so that many of the multiplies are - * simple scalings of the final outputs. These multiplies can then be - * folded into the multiplications or divisions by the JPEG quantization - * table entries. The AA&N method leaves only 5 multiplies and 29 adds - * to be done in the DCT itself. - * The primary disadvantage of this method is that with fixed-point math, - * accuracy is lost due to imprecise representation of the scaled - * quantization values. The smaller the quantization table entry, the less - * precise the scaled value, so this implementation does worse with high- - * quality-setting files than with low-quality ones. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" -#include "jdct.h" /* Private declarations for DCT subsystem */ - -#ifdef DCT_IFAST_SUPPORTED - - -/* - * This module is specialized to the case DCTSIZE = 8. - */ - -#if DCTSIZE != 8 - Sorry, this code only copes with 8x8 DCTs. /* deliberate syntax err */ -#endif - - -/* Scaling decisions are generally the same as in the LL&M algorithm; - * see jidctint.c for more details. However, we choose to descale - * (right shift) multiplication products as soon as they are formed, - * rather than carrying additional fractional bits into subsequent additions. - * This compromises accuracy slightly, but it lets us save a few shifts. - * More importantly, 16-bit arithmetic is then adequate (for 8-bit samples) - * everywhere except in the multiplications proper; this saves a good deal - * of work on 16-bit-int machines. - * - * The dequantized coefficients are not integers because the AA&N scaling - * factors have been incorporated. We represent them scaled up by PASS1_BITS, - * so that the first and second IDCT rounds have the same input scaling. - * For 8-bit JSAMPLEs, we choose IFAST_SCALE_BITS = PASS1_BITS so as to - * avoid a descaling shift; this compromises accuracy rather drastically - * for small quantization table entries, but it saves a lot of shifts. - * For 12-bit JSAMPLEs, there's no hope of using 16x16 multiplies anyway, - * so we use a much larger scaling factor to preserve accuracy. - * - * A final compromise is to represent the multiplicative constants to only - * 8 fractional bits, rather than 13. This saves some shifting work on some - * machines, and may also reduce the cost of multiplication (since there - * are fewer one-bits in the constants). - */ - -#if BITS_IN_JSAMPLE == 8 -#define CONST_BITS 8 -#define PASS1_BITS 2 -#else -#define CONST_BITS 8 -#define PASS1_BITS 1 /* lose a little precision to avoid overflow */ -#endif - -/* Some C compilers fail to reduce "FIX(constant)" at compile time, thus - * causing a lot of useless floating-point operations at run time. - * To get around this we use the following pre-calculated constants. - * If you change CONST_BITS you may want to add appropriate values. - * (With a reasonable C compiler, you can just rely on the FIX() macro...) - */ - -#if CONST_BITS == 8 -#define FIX_1_082392200 ((INT32) 277) /* FIX(1.082392200) */ -#define FIX_1_414213562 ((INT32) 362) /* FIX(1.414213562) */ -#define FIX_1_847759065 ((INT32) 473) /* FIX(1.847759065) */ -#define FIX_2_613125930 ((INT32) 669) /* FIX(2.613125930) */ -#else -#define FIX_1_082392200 FIX(1.082392200) -#define FIX_1_414213562 FIX(1.414213562) -#define FIX_1_847759065 FIX(1.847759065) -#define FIX_2_613125930 FIX(2.613125930) -#endif - - -/* We can gain a little more speed, with a further compromise in accuracy, - * by omitting the addition in a descaling shift. This yields an incorrectly - * rounded result half the time... - */ - -#ifndef USE_ACCURATE_ROUNDING -#undef DESCALE -#define DESCALE(x,n) RIGHT_SHIFT(x, n) -#endif - - -/* Multiply a DCTELEM variable by an INT32 constant, and immediately - * descale to yield a DCTELEM result. - */ - -#define MULTIPLY(var,const) ((DCTELEM) DESCALE((var) * (const), CONST_BITS)) - - -/* Dequantize a coefficient by multiplying it by the multiplier-table - * entry; produce a DCTELEM result. For 8-bit data a 16x16->16 - * multiplication will do. For 12-bit data, the multiplier table is - * declared INT32, so a 32-bit multiply will be used. - */ - -#if BITS_IN_JSAMPLE == 8 -#define DEQUANTIZE(coef,quantval) (((IFAST_MULT_TYPE) (coef)) * (quantval)) -#else -#define DEQUANTIZE(coef,quantval) \ - DESCALE((coef)*(quantval), IFAST_SCALE_BITS-PASS1_BITS) -#endif - - -/* Like DESCALE, but applies to a DCTELEM and produces an int. - * We assume that int right shift is unsigned if INT32 right shift is. - */ - -#ifdef RIGHT_SHIFT_IS_UNSIGNED -#define ISHIFT_TEMPS DCTELEM ishift_temp; -#if BITS_IN_JSAMPLE == 8 -#define DCTELEMBITS 16 /* DCTELEM may be 16 or 32 bits */ -#else -#define DCTELEMBITS 32 /* DCTELEM must be 32 bits */ -#endif -#define IRIGHT_SHIFT(x,shft) \ - ((ishift_temp = (x)) < 0 ? \ - (ishift_temp >> (shft)) | ((~((DCTELEM) 0)) << (DCTELEMBITS-(shft))) : \ - (ishift_temp >> (shft))) -#else -#define ISHIFT_TEMPS -#define IRIGHT_SHIFT(x,shft) ((x) >> (shft)) -#endif - -#ifdef USE_ACCURATE_ROUNDING -#define IDESCALE(x,n) ((int) IRIGHT_SHIFT((x) + (1 << ((n)-1)), n)) -#else -#define IDESCALE(x,n) ((int) IRIGHT_SHIFT(x, n)) -#endif - - -/* - * Perform dequantization and inverse DCT on one block of coefficients. - */ - -GLOBAL(void) -jpeg_idct_ifast (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, - JSAMPARRAY output_buf, JDIMENSION output_col) -{ - DCTELEM tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7; - DCTELEM tmp10, tmp11, tmp12, tmp13; - DCTELEM z5, z10, z11, z12, z13; - JCOEFPTR inptr; - IFAST_MULT_TYPE * quantptr; - int * wsptr; - JSAMPROW outptr; - JSAMPLE *range_limit = IDCT_range_limit(cinfo); - int ctr; - int workspace[DCTSIZE2]; /* buffers data between passes */ - SHIFT_TEMPS /* for DESCALE */ - ISHIFT_TEMPS /* for IDESCALE */ - - /* Pass 1: process columns from input, store into work array. */ - - inptr = coef_block; - quantptr = (IFAST_MULT_TYPE *) compptr->dct_table; - wsptr = workspace; - for (ctr = DCTSIZE; ctr > 0; ctr--) { - /* Due to quantization, we will usually find that many of the input - * coefficients are zero, especially the AC terms. We can exploit this - * by short-circuiting the IDCT calculation for any column in which all - * the AC terms are zero. In that case each output is equal to the - * DC coefficient (with scale factor as needed). - * With typical images and quantization tables, half or more of the - * column DCT calculations can be simplified this way. - */ - - if (inptr[DCTSIZE*1] == 0 && inptr[DCTSIZE*2] == 0 && - inptr[DCTSIZE*3] == 0 && inptr[DCTSIZE*4] == 0 && - inptr[DCTSIZE*5] == 0 && inptr[DCTSIZE*6] == 0 && - inptr[DCTSIZE*7] == 0) { - /* AC terms all zero */ - int dcval = (int) DEQUANTIZE(inptr[DCTSIZE*0], quantptr[DCTSIZE*0]); - - wsptr[DCTSIZE*0] = dcval; - wsptr[DCTSIZE*1] = dcval; - wsptr[DCTSIZE*2] = dcval; - wsptr[DCTSIZE*3] = dcval; - wsptr[DCTSIZE*4] = dcval; - wsptr[DCTSIZE*5] = dcval; - wsptr[DCTSIZE*6] = dcval; - wsptr[DCTSIZE*7] = dcval; - - inptr++; /* advance pointers to next column */ - quantptr++; - wsptr++; - continue; - } - - /* Even part */ - - tmp0 = DEQUANTIZE(inptr[DCTSIZE*0], quantptr[DCTSIZE*0]); - tmp1 = DEQUANTIZE(inptr[DCTSIZE*2], quantptr[DCTSIZE*2]); - tmp2 = DEQUANTIZE(inptr[DCTSIZE*4], quantptr[DCTSIZE*4]); - tmp3 = DEQUANTIZE(inptr[DCTSIZE*6], quantptr[DCTSIZE*6]); - - tmp10 = tmp0 + tmp2; /* phase 3 */ - tmp11 = tmp0 - tmp2; - - tmp13 = tmp1 + tmp3; /* phases 5-3 */ - tmp12 = MULTIPLY(tmp1 - tmp3, FIX_1_414213562) - tmp13; /* 2*c4 */ - - tmp0 = tmp10 + tmp13; /* phase 2 */ - tmp3 = tmp10 - tmp13; - tmp1 = tmp11 + tmp12; - tmp2 = tmp11 - tmp12; - - /* Odd part */ - - tmp4 = DEQUANTIZE(inptr[DCTSIZE*1], quantptr[DCTSIZE*1]); - tmp5 = DEQUANTIZE(inptr[DCTSIZE*3], quantptr[DCTSIZE*3]); - tmp6 = DEQUANTIZE(inptr[DCTSIZE*5], quantptr[DCTSIZE*5]); - tmp7 = DEQUANTIZE(inptr[DCTSIZE*7], quantptr[DCTSIZE*7]); - - z13 = tmp6 + tmp5; /* phase 6 */ - z10 = tmp6 - tmp5; - z11 = tmp4 + tmp7; - z12 = tmp4 - tmp7; - - tmp7 = z11 + z13; /* phase 5 */ - tmp11 = MULTIPLY(z11 - z13, FIX_1_414213562); /* 2*c4 */ - - z5 = MULTIPLY(z10 + z12, FIX_1_847759065); /* 2*c2 */ - tmp10 = MULTIPLY(z12, FIX_1_082392200) - z5; /* 2*(c2-c6) */ - tmp12 = MULTIPLY(z10, - FIX_2_613125930) + z5; /* -2*(c2+c6) */ - - tmp6 = tmp12 - tmp7; /* phase 2 */ - tmp5 = tmp11 - tmp6; - tmp4 = tmp10 + tmp5; - - wsptr[DCTSIZE*0] = (int) (tmp0 + tmp7); - wsptr[DCTSIZE*7] = (int) (tmp0 - tmp7); - wsptr[DCTSIZE*1] = (int) (tmp1 + tmp6); - wsptr[DCTSIZE*6] = (int) (tmp1 - tmp6); - wsptr[DCTSIZE*2] = (int) (tmp2 + tmp5); - wsptr[DCTSIZE*5] = (int) (tmp2 - tmp5); - wsptr[DCTSIZE*4] = (int) (tmp3 + tmp4); - wsptr[DCTSIZE*3] = (int) (tmp3 - tmp4); - - inptr++; /* advance pointers to next column */ - quantptr++; - wsptr++; - } - - /* Pass 2: process rows from work array, store into output array. */ - /* Note that we must descale the results by a factor of 8 == 2**3, */ - /* and also undo the PASS1_BITS scaling. */ - - wsptr = workspace; - for (ctr = 0; ctr < DCTSIZE; ctr++) { - outptr = output_buf[ctr] + output_col; - /* Rows of zeroes can be exploited in the same way as we did with columns. - * However, the column calculation has created many nonzero AC terms, so - * the simplification applies less often (typically 5% to 10% of the time). - * On machines with very fast multiplication, it's possible that the - * test takes more time than it's worth. In that case this section - * may be commented out. - */ - -#ifndef NO_ZERO_ROW_TEST - if (wsptr[1] == 0 && wsptr[2] == 0 && wsptr[3] == 0 && wsptr[4] == 0 && - wsptr[5] == 0 && wsptr[6] == 0 && wsptr[7] == 0) { - /* AC terms all zero */ - JSAMPLE dcval = range_limit[IDESCALE(wsptr[0], PASS1_BITS+3) - & RANGE_MASK]; - - outptr[0] = dcval; - outptr[1] = dcval; - outptr[2] = dcval; - outptr[3] = dcval; - outptr[4] = dcval; - outptr[5] = dcval; - outptr[6] = dcval; - outptr[7] = dcval; - - wsptr += DCTSIZE; /* advance pointer to next row */ - continue; - } -#endif - - /* Even part */ - - tmp10 = ((DCTELEM) wsptr[0] + (DCTELEM) wsptr[4]); - tmp11 = ((DCTELEM) wsptr[0] - (DCTELEM) wsptr[4]); - - tmp13 = ((DCTELEM) wsptr[2] + (DCTELEM) wsptr[6]); - tmp12 = MULTIPLY((DCTELEM) wsptr[2] - (DCTELEM) wsptr[6], FIX_1_414213562) - - tmp13; - - tmp0 = tmp10 + tmp13; - tmp3 = tmp10 - tmp13; - tmp1 = tmp11 + tmp12; - tmp2 = tmp11 - tmp12; - - /* Odd part */ - - z13 = (DCTELEM) wsptr[5] + (DCTELEM) wsptr[3]; - z10 = (DCTELEM) wsptr[5] - (DCTELEM) wsptr[3]; - z11 = (DCTELEM) wsptr[1] + (DCTELEM) wsptr[7]; - z12 = (DCTELEM) wsptr[1] - (DCTELEM) wsptr[7]; - - tmp7 = z11 + z13; /* phase 5 */ - tmp11 = MULTIPLY(z11 - z13, FIX_1_414213562); /* 2*c4 */ - - z5 = MULTIPLY(z10 + z12, FIX_1_847759065); /* 2*c2 */ - tmp10 = MULTIPLY(z12, FIX_1_082392200) - z5; /* 2*(c2-c6) */ - tmp12 = MULTIPLY(z10, - FIX_2_613125930) + z5; /* -2*(c2+c6) */ - - tmp6 = tmp12 - tmp7; /* phase 2 */ - tmp5 = tmp11 - tmp6; - tmp4 = tmp10 + tmp5; - - /* Final output stage: scale down by a factor of 8 and range-limit */ - - outptr[0] = range_limit[IDESCALE(tmp0 + tmp7, PASS1_BITS+3) - & RANGE_MASK]; - outptr[7] = range_limit[IDESCALE(tmp0 - tmp7, PASS1_BITS+3) - & RANGE_MASK]; - outptr[1] = range_limit[IDESCALE(tmp1 + tmp6, PASS1_BITS+3) - & RANGE_MASK]; - outptr[6] = range_limit[IDESCALE(tmp1 - tmp6, PASS1_BITS+3) - & RANGE_MASK]; - outptr[2] = range_limit[IDESCALE(tmp2 + tmp5, PASS1_BITS+3) - & RANGE_MASK]; - outptr[5] = range_limit[IDESCALE(tmp2 - tmp5, PASS1_BITS+3) - & RANGE_MASK]; - outptr[4] = range_limit[IDESCALE(tmp3 + tmp4, PASS1_BITS+3) - & RANGE_MASK]; - outptr[3] = range_limit[IDESCALE(tmp3 - tmp4, PASS1_BITS+3) - & RANGE_MASK]; - - wsptr += DCTSIZE; /* advance pointer to next row */ - } -} - -#endif /* DCT_IFAST_SUPPORTED */ diff --git a/common/jpeg/jidctint.c b/common/jpeg/jidctint.c deleted file mode 100644 index a72b3207..00000000 --- a/common/jpeg/jidctint.c +++ /dev/null @@ -1,389 +0,0 @@ -/* - * jidctint.c - * - * Copyright (C) 1991-1998, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains a slow-but-accurate integer implementation of the - * inverse DCT (Discrete Cosine Transform). In the IJG code, this routine - * must also perform dequantization of the input coefficients. - * - * A 2-D IDCT can be done by 1-D IDCT on each column followed by 1-D IDCT - * on each row (or vice versa, but it's more convenient to emit a row at - * a time). Direct algorithms are also available, but they are much more - * complex and seem not to be any faster when reduced to code. - * - * This implementation is based on an algorithm described in - * C. Loeffler, A. Ligtenberg and G. Moschytz, "Practical Fast 1-D DCT - * Algorithms with 11 Multiplications", Proc. Int'l. Conf. on Acoustics, - * Speech, and Signal Processing 1989 (ICASSP '89), pp. 988-991. - * The primary algorithm described there uses 11 multiplies and 29 adds. - * We use their alternate method with 12 multiplies and 32 adds. - * The advantage of this method is that no data path contains more than one - * multiplication; this allows a very simple and accurate implementation in - * scaled fixed-point arithmetic, with a minimal number of shifts. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" -#include "jdct.h" /* Private declarations for DCT subsystem */ - -#ifdef DCT_ISLOW_SUPPORTED - - -/* - * This module is specialized to the case DCTSIZE = 8. - */ - -#if DCTSIZE != 8 - Sorry, this code only copes with 8x8 DCTs. /* deliberate syntax err */ -#endif - - -/* - * The poop on this scaling stuff is as follows: - * - * Each 1-D IDCT step produces outputs which are a factor of sqrt(N) - * larger than the true IDCT outputs. The final outputs are therefore - * a factor of N larger than desired; since N=8 this can be cured by - * a simple right shift at the end of the algorithm. The advantage of - * this arrangement is that we save two multiplications per 1-D IDCT, - * because the y0 and y4 inputs need not be divided by sqrt(N). - * - * We have to do addition and subtraction of the integer inputs, which - * is no problem, and multiplication by fractional constants, which is - * a problem to do in integer arithmetic. We multiply all the constants - * by CONST_SCALE and convert them to integer constants (thus retaining - * CONST_BITS bits of precision in the constants). After doing a - * multiplication we have to divide the product by CONST_SCALE, with proper - * rounding, to produce the correct output. This division can be done - * cheaply as a right shift of CONST_BITS bits. We postpone shifting - * as long as possible so that partial sums can be added together with - * full fractional precision. - * - * The outputs of the first pass are scaled up by PASS1_BITS bits so that - * they are represented to better-than-integral precision. These outputs - * require BITS_IN_JSAMPLE + PASS1_BITS + 3 bits; this fits in a 16-bit word - * with the recommended scaling. (To scale up 12-bit sample data further, an - * intermediate INT32 array would be needed.) - * - * To avoid overflow of the 32-bit intermediate results in pass 2, we must - * have BITS_IN_JSAMPLE + CONST_BITS + PASS1_BITS <= 26. Error analysis - * shows that the values given below are the most effective. - */ - -#if BITS_IN_JSAMPLE == 8 -#define CONST_BITS 13 -#define PASS1_BITS 2 -#else -#define CONST_BITS 13 -#define PASS1_BITS 1 /* lose a little precision to avoid overflow */ -#endif - -/* Some C compilers fail to reduce "FIX(constant)" at compile time, thus - * causing a lot of useless floating-point operations at run time. - * To get around this we use the following pre-calculated constants. - * If you change CONST_BITS you may want to add appropriate values. - * (With a reasonable C compiler, you can just rely on the FIX() macro...) - */ - -#if CONST_BITS == 13 -#define FIX_0_298631336 ((INT32) 2446) /* FIX(0.298631336) */ -#define FIX_0_390180644 ((INT32) 3196) /* FIX(0.390180644) */ -#define FIX_0_541196100 ((INT32) 4433) /* FIX(0.541196100) */ -#define FIX_0_765366865 ((INT32) 6270) /* FIX(0.765366865) */ -#define FIX_0_899976223 ((INT32) 7373) /* FIX(0.899976223) */ -#define FIX_1_175875602 ((INT32) 9633) /* FIX(1.175875602) */ -#define FIX_1_501321110 ((INT32) 12299) /* FIX(1.501321110) */ -#define FIX_1_847759065 ((INT32) 15137) /* FIX(1.847759065) */ -#define FIX_1_961570560 ((INT32) 16069) /* FIX(1.961570560) */ -#define FIX_2_053119869 ((INT32) 16819) /* FIX(2.053119869) */ -#define FIX_2_562915447 ((INT32) 20995) /* FIX(2.562915447) */ -#define FIX_3_072711026 ((INT32) 25172) /* FIX(3.072711026) */ -#else -#define FIX_0_298631336 FIX(0.298631336) -#define FIX_0_390180644 FIX(0.390180644) -#define FIX_0_541196100 FIX(0.541196100) -#define FIX_0_765366865 FIX(0.765366865) -#define FIX_0_899976223 FIX(0.899976223) -#define FIX_1_175875602 FIX(1.175875602) -#define FIX_1_501321110 FIX(1.501321110) -#define FIX_1_847759065 FIX(1.847759065) -#define FIX_1_961570560 FIX(1.961570560) -#define FIX_2_053119869 FIX(2.053119869) -#define FIX_2_562915447 FIX(2.562915447) -#define FIX_3_072711026 FIX(3.072711026) -#endif - - -/* Multiply an INT32 variable by an INT32 constant to yield an INT32 result. - * For 8-bit samples with the recommended scaling, all the variable - * and constant values involved are no more than 16 bits wide, so a - * 16x16->32 bit multiply can be used instead of a full 32x32 multiply. - * For 12-bit samples, a full 32-bit multiplication will be needed. - */ - -#if BITS_IN_JSAMPLE == 8 -#define MULTIPLY(var,const) MULTIPLY16C16(var,const) -#else -#define MULTIPLY(var,const) ((var) * (const)) -#endif - - -/* Dequantize a coefficient by multiplying it by the multiplier-table - * entry; produce an int result. In this module, both inputs and result - * are 16 bits or less, so either int or short multiply will work. - */ - -#define DEQUANTIZE(coef,quantval) (((ISLOW_MULT_TYPE) (coef)) * (quantval)) - - -/* - * Perform dequantization and inverse DCT on one block of coefficients. - */ - -GLOBAL(void) -jpeg_idct_islow (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, - JSAMPARRAY output_buf, JDIMENSION output_col) -{ - INT32 tmp0, tmp1, tmp2, tmp3; - INT32 tmp10, tmp11, tmp12, tmp13; - INT32 z1, z2, z3, z4, z5; - JCOEFPTR inptr; - ISLOW_MULT_TYPE * quantptr; - int * wsptr; - JSAMPROW outptr; - JSAMPLE *range_limit = IDCT_range_limit(cinfo); - int ctr; - int workspace[DCTSIZE2]; /* buffers data between passes */ - SHIFT_TEMPS - - /* Pass 1: process columns from input, store into work array. */ - /* Note results are scaled up by sqrt(8) compared to a true IDCT; */ - /* furthermore, we scale the results by 2**PASS1_BITS. */ - - inptr = coef_block; - quantptr = (ISLOW_MULT_TYPE *) compptr->dct_table; - wsptr = workspace; - for (ctr = DCTSIZE; ctr > 0; ctr--) { - /* Due to quantization, we will usually find that many of the input - * coefficients are zero, especially the AC terms. We can exploit this - * by short-circuiting the IDCT calculation for any column in which all - * the AC terms are zero. In that case each output is equal to the - * DC coefficient (with scale factor as needed). - * With typical images and quantization tables, half or more of the - * column DCT calculations can be simplified this way. - */ - - if (inptr[DCTSIZE*1] == 0 && inptr[DCTSIZE*2] == 0 && - inptr[DCTSIZE*3] == 0 && inptr[DCTSIZE*4] == 0 && - inptr[DCTSIZE*5] == 0 && inptr[DCTSIZE*6] == 0 && - inptr[DCTSIZE*7] == 0) { - /* AC terms all zero */ - int dcval = DEQUANTIZE(inptr[DCTSIZE*0], quantptr[DCTSIZE*0]) << PASS1_BITS; - - wsptr[DCTSIZE*0] = dcval; - wsptr[DCTSIZE*1] = dcval; - wsptr[DCTSIZE*2] = dcval; - wsptr[DCTSIZE*3] = dcval; - wsptr[DCTSIZE*4] = dcval; - wsptr[DCTSIZE*5] = dcval; - wsptr[DCTSIZE*6] = dcval; - wsptr[DCTSIZE*7] = dcval; - - inptr++; /* advance pointers to next column */ - quantptr++; - wsptr++; - continue; - } - - /* Even part: reverse the even part of the forward DCT. */ - /* The rotator is sqrt(2)*c(-6). */ - - z2 = DEQUANTIZE(inptr[DCTSIZE*2], quantptr[DCTSIZE*2]); - z3 = DEQUANTIZE(inptr[DCTSIZE*6], quantptr[DCTSIZE*6]); - - z1 = MULTIPLY(z2 + z3, FIX_0_541196100); - tmp2 = z1 + MULTIPLY(z3, - FIX_1_847759065); - tmp3 = z1 + MULTIPLY(z2, FIX_0_765366865); - - z2 = DEQUANTIZE(inptr[DCTSIZE*0], quantptr[DCTSIZE*0]); - z3 = DEQUANTIZE(inptr[DCTSIZE*4], quantptr[DCTSIZE*4]); - - tmp0 = (z2 + z3) << CONST_BITS; - tmp1 = (z2 - z3) << CONST_BITS; - - tmp10 = tmp0 + tmp3; - tmp13 = tmp0 - tmp3; - tmp11 = tmp1 + tmp2; - tmp12 = tmp1 - tmp2; - - /* Odd part per figure 8; the matrix is unitary and hence its - * transpose is its inverse. i0..i3 are y7,y5,y3,y1 respectively. - */ - - tmp0 = DEQUANTIZE(inptr[DCTSIZE*7], quantptr[DCTSIZE*7]); - tmp1 = DEQUANTIZE(inptr[DCTSIZE*5], quantptr[DCTSIZE*5]); - tmp2 = DEQUANTIZE(inptr[DCTSIZE*3], quantptr[DCTSIZE*3]); - tmp3 = DEQUANTIZE(inptr[DCTSIZE*1], quantptr[DCTSIZE*1]); - - z1 = tmp0 + tmp3; - z2 = tmp1 + tmp2; - z3 = tmp0 + tmp2; - z4 = tmp1 + tmp3; - z5 = MULTIPLY(z3 + z4, FIX_1_175875602); /* sqrt(2) * c3 */ - - tmp0 = MULTIPLY(tmp0, FIX_0_298631336); /* sqrt(2) * (-c1+c3+c5-c7) */ - tmp1 = MULTIPLY(tmp1, FIX_2_053119869); /* sqrt(2) * ( c1+c3-c5+c7) */ - tmp2 = MULTIPLY(tmp2, FIX_3_072711026); /* sqrt(2) * ( c1+c3+c5-c7) */ - tmp3 = MULTIPLY(tmp3, FIX_1_501321110); /* sqrt(2) * ( c1+c3-c5-c7) */ - z1 = MULTIPLY(z1, - FIX_0_899976223); /* sqrt(2) * (c7-c3) */ - z2 = MULTIPLY(z2, - FIX_2_562915447); /* sqrt(2) * (-c1-c3) */ - z3 = MULTIPLY(z3, - FIX_1_961570560); /* sqrt(2) * (-c3-c5) */ - z4 = MULTIPLY(z4, - FIX_0_390180644); /* sqrt(2) * (c5-c3) */ - - z3 += z5; - z4 += z5; - - tmp0 += z1 + z3; - tmp1 += z2 + z4; - tmp2 += z2 + z3; - tmp3 += z1 + z4; - - /* Final output stage: inputs are tmp10..tmp13, tmp0..tmp3 */ - - wsptr[DCTSIZE*0] = (int) DESCALE(tmp10 + tmp3, CONST_BITS-PASS1_BITS); - wsptr[DCTSIZE*7] = (int) DESCALE(tmp10 - tmp3, CONST_BITS-PASS1_BITS); - wsptr[DCTSIZE*1] = (int) DESCALE(tmp11 + tmp2, CONST_BITS-PASS1_BITS); - wsptr[DCTSIZE*6] = (int) DESCALE(tmp11 - tmp2, CONST_BITS-PASS1_BITS); - wsptr[DCTSIZE*2] = (int) DESCALE(tmp12 + tmp1, CONST_BITS-PASS1_BITS); - wsptr[DCTSIZE*5] = (int) DESCALE(tmp12 - tmp1, CONST_BITS-PASS1_BITS); - wsptr[DCTSIZE*3] = (int) DESCALE(tmp13 + tmp0, CONST_BITS-PASS1_BITS); - wsptr[DCTSIZE*4] = (int) DESCALE(tmp13 - tmp0, CONST_BITS-PASS1_BITS); - - inptr++; /* advance pointers to next column */ - quantptr++; - wsptr++; - } - - /* Pass 2: process rows from work array, store into output array. */ - /* Note that we must descale the results by a factor of 8 == 2**3, */ - /* and also undo the PASS1_BITS scaling. */ - - wsptr = workspace; - for (ctr = 0; ctr < DCTSIZE; ctr++) { - outptr = output_buf[ctr] + output_col; - /* Rows of zeroes can be exploited in the same way as we did with columns. - * However, the column calculation has created many nonzero AC terms, so - * the simplification applies less often (typically 5% to 10% of the time). - * On machines with very fast multiplication, it's possible that the - * test takes more time than it's worth. In that case this section - * may be commented out. - */ - -#ifndef NO_ZERO_ROW_TEST - if (wsptr[1] == 0 && wsptr[2] == 0 && wsptr[3] == 0 && wsptr[4] == 0 && - wsptr[5] == 0 && wsptr[6] == 0 && wsptr[7] == 0) { - /* AC terms all zero */ - JSAMPLE dcval = range_limit[(int) DESCALE((INT32) wsptr[0], PASS1_BITS+3) - & RANGE_MASK]; - - outptr[0] = dcval; - outptr[1] = dcval; - outptr[2] = dcval; - outptr[3] = dcval; - outptr[4] = dcval; - outptr[5] = dcval; - outptr[6] = dcval; - outptr[7] = dcval; - - wsptr += DCTSIZE; /* advance pointer to next row */ - continue; - } -#endif - - /* Even part: reverse the even part of the forward DCT. */ - /* The rotator is sqrt(2)*c(-6). */ - - z2 = (INT32) wsptr[2]; - z3 = (INT32) wsptr[6]; - - z1 = MULTIPLY(z2 + z3, FIX_0_541196100); - tmp2 = z1 + MULTIPLY(z3, - FIX_1_847759065); - tmp3 = z1 + MULTIPLY(z2, FIX_0_765366865); - - tmp0 = ((INT32) wsptr[0] + (INT32) wsptr[4]) << CONST_BITS; - tmp1 = ((INT32) wsptr[0] - (INT32) wsptr[4]) << CONST_BITS; - - tmp10 = tmp0 + tmp3; - tmp13 = tmp0 - tmp3; - tmp11 = tmp1 + tmp2; - tmp12 = tmp1 - tmp2; - - /* Odd part per figure 8; the matrix is unitary and hence its - * transpose is its inverse. i0..i3 are y7,y5,y3,y1 respectively. - */ - - tmp0 = (INT32) wsptr[7]; - tmp1 = (INT32) wsptr[5]; - tmp2 = (INT32) wsptr[3]; - tmp3 = (INT32) wsptr[1]; - - z1 = tmp0 + tmp3; - z2 = tmp1 + tmp2; - z3 = tmp0 + tmp2; - z4 = tmp1 + tmp3; - z5 = MULTIPLY(z3 + z4, FIX_1_175875602); /* sqrt(2) * c3 */ - - tmp0 = MULTIPLY(tmp0, FIX_0_298631336); /* sqrt(2) * (-c1+c3+c5-c7) */ - tmp1 = MULTIPLY(tmp1, FIX_2_053119869); /* sqrt(2) * ( c1+c3-c5+c7) */ - tmp2 = MULTIPLY(tmp2, FIX_3_072711026); /* sqrt(2) * ( c1+c3+c5-c7) */ - tmp3 = MULTIPLY(tmp3, FIX_1_501321110); /* sqrt(2) * ( c1+c3-c5-c7) */ - z1 = MULTIPLY(z1, - FIX_0_899976223); /* sqrt(2) * (c7-c3) */ - z2 = MULTIPLY(z2, - FIX_2_562915447); /* sqrt(2) * (-c1-c3) */ - z3 = MULTIPLY(z3, - FIX_1_961570560); /* sqrt(2) * (-c3-c5) */ - z4 = MULTIPLY(z4, - FIX_0_390180644); /* sqrt(2) * (c5-c3) */ - - z3 += z5; - z4 += z5; - - tmp0 += z1 + z3; - tmp1 += z2 + z4; - tmp2 += z2 + z3; - tmp3 += z1 + z4; - - /* Final output stage: inputs are tmp10..tmp13, tmp0..tmp3 */ - - outptr[0] = range_limit[(int) DESCALE(tmp10 + tmp3, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; - outptr[7] = range_limit[(int) DESCALE(tmp10 - tmp3, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; - outptr[1] = range_limit[(int) DESCALE(tmp11 + tmp2, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; - outptr[6] = range_limit[(int) DESCALE(tmp11 - tmp2, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; - outptr[2] = range_limit[(int) DESCALE(tmp12 + tmp1, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; - outptr[5] = range_limit[(int) DESCALE(tmp12 - tmp1, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; - outptr[3] = range_limit[(int) DESCALE(tmp13 + tmp0, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; - outptr[4] = range_limit[(int) DESCALE(tmp13 - tmp0, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; - - wsptr += DCTSIZE; /* advance pointer to next row */ - } -} - -#endif /* DCT_ISLOW_SUPPORTED */ diff --git a/common/jpeg/jidctred.c b/common/jpeg/jidctred.c deleted file mode 100644 index 421f3c7c..00000000 --- a/common/jpeg/jidctred.c +++ /dev/null @@ -1,398 +0,0 @@ -/* - * jidctred.c - * - * Copyright (C) 1994-1998, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains inverse-DCT routines that produce reduced-size output: - * either 4x4, 2x2, or 1x1 pixels from an 8x8 DCT block. - * - * The implementation is based on the Loeffler, Ligtenberg and Moschytz (LL&M) - * algorithm used in jidctint.c. We simply replace each 8-to-8 1-D IDCT step - * with an 8-to-4 step that produces the four averages of two adjacent outputs - * (or an 8-to-2 step producing two averages of four outputs, for 2x2 output). - * These steps were derived by computing the corresponding values at the end - * of the normal LL&M code, then simplifying as much as possible. - * - * 1x1 is trivial: just take the DC coefficient divided by 8. - * - * See jidctint.c for additional comments. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" -#include "jdct.h" /* Private declarations for DCT subsystem */ - -#ifdef IDCT_SCALING_SUPPORTED - - -/* - * This module is specialized to the case DCTSIZE = 8. - */ - -#if DCTSIZE != 8 - Sorry, this code only copes with 8x8 DCTs. /* deliberate syntax err */ -#endif - - -/* Scaling is the same as in jidctint.c. */ - -#if BITS_IN_JSAMPLE == 8 -#define CONST_BITS 13 -#define PASS1_BITS 2 -#else -#define CONST_BITS 13 -#define PASS1_BITS 1 /* lose a little precision to avoid overflow */ -#endif - -/* Some C compilers fail to reduce "FIX(constant)" at compile time, thus - * causing a lot of useless floating-point operations at run time. - * To get around this we use the following pre-calculated constants. - * If you change CONST_BITS you may want to add appropriate values. - * (With a reasonable C compiler, you can just rely on the FIX() macro...) - */ - -#if CONST_BITS == 13 -#define FIX_0_211164243 ((INT32) 1730) /* FIX(0.211164243) */ -#define FIX_0_509795579 ((INT32) 4176) /* FIX(0.509795579) */ -#define FIX_0_601344887 ((INT32) 4926) /* FIX(0.601344887) */ -#define FIX_0_720959822 ((INT32) 5906) /* FIX(0.720959822) */ -#define FIX_0_765366865 ((INT32) 6270) /* FIX(0.765366865) */ -#define FIX_0_850430095 ((INT32) 6967) /* FIX(0.850430095) */ -#define FIX_0_899976223 ((INT32) 7373) /* FIX(0.899976223) */ -#define FIX_1_061594337 ((INT32) 8697) /* FIX(1.061594337) */ -#define FIX_1_272758580 ((INT32) 10426) /* FIX(1.272758580) */ -#define FIX_1_451774981 ((INT32) 11893) /* FIX(1.451774981) */ -#define FIX_1_847759065 ((INT32) 15137) /* FIX(1.847759065) */ -#define FIX_2_172734803 ((INT32) 17799) /* FIX(2.172734803) */ -#define FIX_2_562915447 ((INT32) 20995) /* FIX(2.562915447) */ -#define FIX_3_624509785 ((INT32) 29692) /* FIX(3.624509785) */ -#else -#define FIX_0_211164243 FIX(0.211164243) -#define FIX_0_509795579 FIX(0.509795579) -#define FIX_0_601344887 FIX(0.601344887) -#define FIX_0_720959822 FIX(0.720959822) -#define FIX_0_765366865 FIX(0.765366865) -#define FIX_0_850430095 FIX(0.850430095) -#define FIX_0_899976223 FIX(0.899976223) -#define FIX_1_061594337 FIX(1.061594337) -#define FIX_1_272758580 FIX(1.272758580) -#define FIX_1_451774981 FIX(1.451774981) -#define FIX_1_847759065 FIX(1.847759065) -#define FIX_2_172734803 FIX(2.172734803) -#define FIX_2_562915447 FIX(2.562915447) -#define FIX_3_624509785 FIX(3.624509785) -#endif - - -/* Multiply an INT32 variable by an INT32 constant to yield an INT32 result. - * For 8-bit samples with the recommended scaling, all the variable - * and constant values involved are no more than 16 bits wide, so a - * 16x16->32 bit multiply can be used instead of a full 32x32 multiply. - * For 12-bit samples, a full 32-bit multiplication will be needed. - */ - -#if BITS_IN_JSAMPLE == 8 -#define MULTIPLY(var,const) MULTIPLY16C16(var,const) -#else -#define MULTIPLY(var,const) ((var) * (const)) -#endif - - -/* Dequantize a coefficient by multiplying it by the multiplier-table - * entry; produce an int result. In this module, both inputs and result - * are 16 bits or less, so either int or short multiply will work. - */ - -#define DEQUANTIZE(coef,quantval) (((ISLOW_MULT_TYPE) (coef)) * (quantval)) - - -/* - * Perform dequantization and inverse DCT on one block of coefficients, - * producing a reduced-size 4x4 output block. - */ - -GLOBAL(void) -jpeg_idct_4x4 (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, - JSAMPARRAY output_buf, JDIMENSION output_col) -{ - INT32 tmp0, tmp2, tmp10, tmp12; - INT32 z1, z2, z3, z4; - JCOEFPTR inptr; - ISLOW_MULT_TYPE * quantptr; - int * wsptr; - JSAMPROW outptr; - JSAMPLE *range_limit = IDCT_range_limit(cinfo); - int ctr; - int workspace[DCTSIZE*4]; /* buffers data between passes */ - SHIFT_TEMPS - - /* Pass 1: process columns from input, store into work array. */ - - inptr = coef_block; - quantptr = (ISLOW_MULT_TYPE *) compptr->dct_table; - wsptr = workspace; - for (ctr = DCTSIZE; ctr > 0; inptr++, quantptr++, wsptr++, ctr--) { - /* Don't bother to process column 4, because second pass won't use it */ - if (ctr == DCTSIZE-4) - continue; - if (inptr[DCTSIZE*1] == 0 && inptr[DCTSIZE*2] == 0 && - inptr[DCTSIZE*3] == 0 && inptr[DCTSIZE*5] == 0 && - inptr[DCTSIZE*6] == 0 && inptr[DCTSIZE*7] == 0) { - /* AC terms all zero; we need not examine term 4 for 4x4 output */ - int dcval = DEQUANTIZE(inptr[DCTSIZE*0], quantptr[DCTSIZE*0]) << PASS1_BITS; - - wsptr[DCTSIZE*0] = dcval; - wsptr[DCTSIZE*1] = dcval; - wsptr[DCTSIZE*2] = dcval; - wsptr[DCTSIZE*3] = dcval; - - continue; - } - - /* Even part */ - - tmp0 = DEQUANTIZE(inptr[DCTSIZE*0], quantptr[DCTSIZE*0]); - tmp0 <<= (CONST_BITS+1); - - z2 = DEQUANTIZE(inptr[DCTSIZE*2], quantptr[DCTSIZE*2]); - z3 = DEQUANTIZE(inptr[DCTSIZE*6], quantptr[DCTSIZE*6]); - - tmp2 = MULTIPLY(z2, FIX_1_847759065) + MULTIPLY(z3, - FIX_0_765366865); - - tmp10 = tmp0 + tmp2; - tmp12 = tmp0 - tmp2; - - /* Odd part */ - - z1 = DEQUANTIZE(inptr[DCTSIZE*7], quantptr[DCTSIZE*7]); - z2 = DEQUANTIZE(inptr[DCTSIZE*5], quantptr[DCTSIZE*5]); - z3 = DEQUANTIZE(inptr[DCTSIZE*3], quantptr[DCTSIZE*3]); - z4 = DEQUANTIZE(inptr[DCTSIZE*1], quantptr[DCTSIZE*1]); - - tmp0 = MULTIPLY(z1, - FIX_0_211164243) /* sqrt(2) * (c3-c1) */ - + MULTIPLY(z2, FIX_1_451774981) /* sqrt(2) * (c3+c7) */ - + MULTIPLY(z3, - FIX_2_172734803) /* sqrt(2) * (-c1-c5) */ - + MULTIPLY(z4, FIX_1_061594337); /* sqrt(2) * (c5+c7) */ - - tmp2 = MULTIPLY(z1, - FIX_0_509795579) /* sqrt(2) * (c7-c5) */ - + MULTIPLY(z2, - FIX_0_601344887) /* sqrt(2) * (c5-c1) */ - + MULTIPLY(z3, FIX_0_899976223) /* sqrt(2) * (c3-c7) */ - + MULTIPLY(z4, FIX_2_562915447); /* sqrt(2) * (c1+c3) */ - - /* Final output stage */ - - wsptr[DCTSIZE*0] = (int) DESCALE(tmp10 + tmp2, CONST_BITS-PASS1_BITS+1); - wsptr[DCTSIZE*3] = (int) DESCALE(tmp10 - tmp2, CONST_BITS-PASS1_BITS+1); - wsptr[DCTSIZE*1] = (int) DESCALE(tmp12 + tmp0, CONST_BITS-PASS1_BITS+1); - wsptr[DCTSIZE*2] = (int) DESCALE(tmp12 - tmp0, CONST_BITS-PASS1_BITS+1); - } - - /* Pass 2: process 4 rows from work array, store into output array. */ - - wsptr = workspace; - for (ctr = 0; ctr < 4; ctr++) { - outptr = output_buf[ctr] + output_col; - /* It's not clear whether a zero row test is worthwhile here ... */ - -#ifndef NO_ZERO_ROW_TEST - if (wsptr[1] == 0 && wsptr[2] == 0 && wsptr[3] == 0 && - wsptr[5] == 0 && wsptr[6] == 0 && wsptr[7] == 0) { - /* AC terms all zero */ - JSAMPLE dcval = range_limit[(int) DESCALE((INT32) wsptr[0], PASS1_BITS+3) - & RANGE_MASK]; - - outptr[0] = dcval; - outptr[1] = dcval; - outptr[2] = dcval; - outptr[3] = dcval; - - wsptr += DCTSIZE; /* advance pointer to next row */ - continue; - } -#endif - - /* Even part */ - - tmp0 = ((INT32) wsptr[0]) << (CONST_BITS+1); - - tmp2 = MULTIPLY((INT32) wsptr[2], FIX_1_847759065) - + MULTIPLY((INT32) wsptr[6], - FIX_0_765366865); - - tmp10 = tmp0 + tmp2; - tmp12 = tmp0 - tmp2; - - /* Odd part */ - - z1 = (INT32) wsptr[7]; - z2 = (INT32) wsptr[5]; - z3 = (INT32) wsptr[3]; - z4 = (INT32) wsptr[1]; - - tmp0 = MULTIPLY(z1, - FIX_0_211164243) /* sqrt(2) * (c3-c1) */ - + MULTIPLY(z2, FIX_1_451774981) /* sqrt(2) * (c3+c7) */ - + MULTIPLY(z3, - FIX_2_172734803) /* sqrt(2) * (-c1-c5) */ - + MULTIPLY(z4, FIX_1_061594337); /* sqrt(2) * (c5+c7) */ - - tmp2 = MULTIPLY(z1, - FIX_0_509795579) /* sqrt(2) * (c7-c5) */ - + MULTIPLY(z2, - FIX_0_601344887) /* sqrt(2) * (c5-c1) */ - + MULTIPLY(z3, FIX_0_899976223) /* sqrt(2) * (c3-c7) */ - + MULTIPLY(z4, FIX_2_562915447); /* sqrt(2) * (c1+c3) */ - - /* Final output stage */ - - outptr[0] = range_limit[(int) DESCALE(tmp10 + tmp2, - CONST_BITS+PASS1_BITS+3+1) - & RANGE_MASK]; - outptr[3] = range_limit[(int) DESCALE(tmp10 - tmp2, - CONST_BITS+PASS1_BITS+3+1) - & RANGE_MASK]; - outptr[1] = range_limit[(int) DESCALE(tmp12 + tmp0, - CONST_BITS+PASS1_BITS+3+1) - & RANGE_MASK]; - outptr[2] = range_limit[(int) DESCALE(tmp12 - tmp0, - CONST_BITS+PASS1_BITS+3+1) - & RANGE_MASK]; - - wsptr += DCTSIZE; /* advance pointer to next row */ - } -} - - -/* - * Perform dequantization and inverse DCT on one block of coefficients, - * producing a reduced-size 2x2 output block. - */ - -GLOBAL(void) -jpeg_idct_2x2 (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, - JSAMPARRAY output_buf, JDIMENSION output_col) -{ - INT32 tmp0, tmp10, z1; - JCOEFPTR inptr; - ISLOW_MULT_TYPE * quantptr; - int * wsptr; - JSAMPROW outptr; - JSAMPLE *range_limit = IDCT_range_limit(cinfo); - int ctr; - int workspace[DCTSIZE*2]; /* buffers data between passes */ - SHIFT_TEMPS - - /* Pass 1: process columns from input, store into work array. */ - - inptr = coef_block; - quantptr = (ISLOW_MULT_TYPE *) compptr->dct_table; - wsptr = workspace; - for (ctr = DCTSIZE; ctr > 0; inptr++, quantptr++, wsptr++, ctr--) { - /* Don't bother to process columns 2,4,6 */ - if (ctr == DCTSIZE-2 || ctr == DCTSIZE-4 || ctr == DCTSIZE-6) - continue; - if (inptr[DCTSIZE*1] == 0 && inptr[DCTSIZE*3] == 0 && - inptr[DCTSIZE*5] == 0 && inptr[DCTSIZE*7] == 0) { - /* AC terms all zero; we need not examine terms 2,4,6 for 2x2 output */ - int dcval = DEQUANTIZE(inptr[DCTSIZE*0], quantptr[DCTSIZE*0]) << PASS1_BITS; - - wsptr[DCTSIZE*0] = dcval; - wsptr[DCTSIZE*1] = dcval; - - continue; - } - - /* Even part */ - - z1 = DEQUANTIZE(inptr[DCTSIZE*0], quantptr[DCTSIZE*0]); - tmp10 = z1 << (CONST_BITS+2); - - /* Odd part */ - - z1 = DEQUANTIZE(inptr[DCTSIZE*7], quantptr[DCTSIZE*7]); - tmp0 = MULTIPLY(z1, - FIX_0_720959822); /* sqrt(2) * (c7-c5+c3-c1) */ - z1 = DEQUANTIZE(inptr[DCTSIZE*5], quantptr[DCTSIZE*5]); - tmp0 += MULTIPLY(z1, FIX_0_850430095); /* sqrt(2) * (-c1+c3+c5+c7) */ - z1 = DEQUANTIZE(inptr[DCTSIZE*3], quantptr[DCTSIZE*3]); - tmp0 += MULTIPLY(z1, - FIX_1_272758580); /* sqrt(2) * (-c1+c3-c5-c7) */ - z1 = DEQUANTIZE(inptr[DCTSIZE*1], quantptr[DCTSIZE*1]); - tmp0 += MULTIPLY(z1, FIX_3_624509785); /* sqrt(2) * (c1+c3+c5+c7) */ - - /* Final output stage */ - - wsptr[DCTSIZE*0] = (int) DESCALE(tmp10 + tmp0, CONST_BITS-PASS1_BITS+2); - wsptr[DCTSIZE*1] = (int) DESCALE(tmp10 - tmp0, CONST_BITS-PASS1_BITS+2); - } - - /* Pass 2: process 2 rows from work array, store into output array. */ - - wsptr = workspace; - for (ctr = 0; ctr < 2; ctr++) { - outptr = output_buf[ctr] + output_col; - /* It's not clear whether a zero row test is worthwhile here ... */ - -#ifndef NO_ZERO_ROW_TEST - if (wsptr[1] == 0 && wsptr[3] == 0 && wsptr[5] == 0 && wsptr[7] == 0) { - /* AC terms all zero */ - JSAMPLE dcval = range_limit[(int) DESCALE((INT32) wsptr[0], PASS1_BITS+3) - & RANGE_MASK]; - - outptr[0] = dcval; - outptr[1] = dcval; - - wsptr += DCTSIZE; /* advance pointer to next row */ - continue; - } -#endif - - /* Even part */ - - tmp10 = ((INT32) wsptr[0]) << (CONST_BITS+2); - - /* Odd part */ - - tmp0 = MULTIPLY((INT32) wsptr[7], - FIX_0_720959822) /* sqrt(2) * (c7-c5+c3-c1) */ - + MULTIPLY((INT32) wsptr[5], FIX_0_850430095) /* sqrt(2) * (-c1+c3+c5+c7) */ - + MULTIPLY((INT32) wsptr[3], - FIX_1_272758580) /* sqrt(2) * (-c1+c3-c5-c7) */ - + MULTIPLY((INT32) wsptr[1], FIX_3_624509785); /* sqrt(2) * (c1+c3+c5+c7) */ - - /* Final output stage */ - - outptr[0] = range_limit[(int) DESCALE(tmp10 + tmp0, - CONST_BITS+PASS1_BITS+3+2) - & RANGE_MASK]; - outptr[1] = range_limit[(int) DESCALE(tmp10 - tmp0, - CONST_BITS+PASS1_BITS+3+2) - & RANGE_MASK]; - - wsptr += DCTSIZE; /* advance pointer to next row */ - } -} - - -/* - * Perform dequantization and inverse DCT on one block of coefficients, - * producing a reduced-size 1x1 output block. - */ - -GLOBAL(void) -jpeg_idct_1x1 (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, - JSAMPARRAY output_buf, JDIMENSION output_col) -{ - int dcval; - ISLOW_MULT_TYPE * quantptr; - JSAMPLE *range_limit = IDCT_range_limit(cinfo); - SHIFT_TEMPS - - /* We hardly need an inverse DCT routine for this: just take the - * average pixel value, which is one-eighth of the DC coefficient. - */ - quantptr = (ISLOW_MULT_TYPE *) compptr->dct_table; - dcval = DEQUANTIZE(coef_block[0], quantptr[0]); - dcval = (int) DESCALE((INT32) dcval, 3); - - output_buf[0][output_col] = range_limit[dcval & RANGE_MASK]; -} - -#endif /* IDCT_SCALING_SUPPORTED */ diff --git a/common/jpeg/jinclude.h b/common/jpeg/jinclude.h deleted file mode 100644 index 0a4f1514..00000000 --- a/common/jpeg/jinclude.h +++ /dev/null @@ -1,91 +0,0 @@ -/* - * jinclude.h - * - * Copyright (C) 1991-1994, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file exists to provide a single place to fix any problems with - * including the wrong system include files. (Common problems are taken - * care of by the standard jconfig symbols, but on really weird systems - * you may have to edit this file.) - * - * NOTE: this file is NOT intended to be included by applications using the - * JPEG library. Most applications need only include jpeglib.h. - */ - - -/* Include auto-config file to find out which system include files we need. */ - -#include "jconfig.h" /* auto configuration options */ -#define JCONFIG_INCLUDED /* so that jpeglib.h doesn't do it again */ - -/* - * We need the NULL macro and size_t typedef. - * On an ANSI-conforming system it is sufficient to include <stddef.h>. - * Otherwise, we get them from <stdlib.h> or <stdio.h>; we may have to - * pull in <sys/types.h> as well. - * Note that the core JPEG library does not require <stdio.h>; - * only the default error handler and data source/destination modules do. - * But we must pull it in because of the references to FILE in jpeglib.h. - * You can remove those references if you want to compile without <stdio.h>. - */ - -#ifdef HAVE_STDDEF_H -#include <stddef.h> -#endif - -#ifdef HAVE_STDLIB_H -#include <stdlib.h> -#endif - -#ifdef NEED_SYS_TYPES_H -#include <sys/types.h> -#endif - -#include <stdio.h> - -/* - * We need memory copying and zeroing functions, plus strncpy(). - * ANSI and System V implementations declare these in <string.h>. - * BSD doesn't have the mem() functions, but it does have bcopy()/bzero(). - * Some systems may declare memset and memcpy in <memory.h>. - * - * NOTE: we assume the size parameters to these functions are of type size_t. - * Change the casts in these macros if not! - */ - -#ifdef NEED_BSD_STRINGS - -#include <strings.h> -#define MEMZERO(target,size) bzero((void *)(target), (size_t)(size)) -#define MEMCOPY(dest,src,size) bcopy((const void *)(src), (void *)(dest), (size_t)(size)) - -#else /* not BSD, assume ANSI/SysV string lib */ - -#include <string.h> -#define MEMZERO(target,size) memset((void *)(target), 0, (size_t)(size)) -#define MEMCOPY(dest,src,size) memcpy((void *)(dest), (const void *)(src), (size_t)(size)) - -#endif - -/* - * In ANSI C, and indeed any rational implementation, size_t is also the - * type returned by sizeof(). However, it seems there are some irrational - * implementations out there, in which sizeof() returns an int even though - * size_t is defined as long or unsigned long. To ensure consistent results - * we always use this SIZEOF() macro in place of using sizeof() directly. - */ - -#define SIZEOF(object) ((size_t) sizeof(object)) - -/* - * The modules that use fread() and fwrite() always invoke them through - * these macros. On some systems you may need to twiddle the argument casts. - * CAUTION: argument order is different from underlying functions! - */ - -#define JFREAD(file,buf,sizeofbuf) \ - ((size_t) fread((void *) (buf), (size_t) 1, (size_t) (sizeofbuf), (file))) -#define JFWRITE(file,buf,sizeofbuf) \ - ((size_t) fwrite((const void *) (buf), (size_t) 1, (size_t) (sizeofbuf), (file))) diff --git a/common/jpeg/jmemmgr.c b/common/jpeg/jmemmgr.c deleted file mode 100644 index 54589521..00000000 --- a/common/jpeg/jmemmgr.c +++ /dev/null @@ -1,1142 +0,0 @@ -/* - * jmemmgr.c - * - * Copyright (C) 1991-1997, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains the JPEG system-independent memory management - * routines. This code is usable across a wide variety of machines; most - * of the system dependencies have been isolated in a separate file. - * The major functions provided here are: - * * pool-based allocation and freeing of memory; - * * policy decisions about how to divide available memory among the - * virtual arrays; - * * control logic for swapping virtual arrays between main memory and - * backing storage. - * The separate system-dependent file provides the actual backing-storage - * access code, and it contains the policy decision about how much total - * main memory to use. - * This file is system-dependent in the sense that some of its functions - * are unnecessary in some systems. For example, if there is enough virtual - * memory so that backing storage will never be used, much of the virtual - * array control logic could be removed. (Of course, if you have that much - * memory then you shouldn't care about a little bit of unused code...) - */ - -#define JPEG_INTERNALS -#define AM_MEMORY_MANAGER /* we define jvirt_Xarray_control structs */ -#include "jinclude.h" -#include "jpeglib.h" -#include "jmemsys.h" /* import the system-dependent declarations */ - -#ifndef NO_GETENV -#ifndef HAVE_STDLIB_H /* <stdlib.h> should declare getenv() */ -extern char * getenv JPP((const char * name)); -#endif -#endif - - -/* - * Some important notes: - * The allocation routines provided here must never return NULL. - * They should exit to error_exit if unsuccessful. - * - * It's not a good idea to try to merge the sarray and barray routines, - * even though they are textually almost the same, because samples are - * usually stored as bytes while coefficients are shorts or ints. Thus, - * in machines where byte pointers have a different representation from - * word pointers, the resulting machine code could not be the same. - */ - - -/* - * Many machines require storage alignment: longs must start on 4-byte - * boundaries, doubles on 8-byte boundaries, etc. On such machines, malloc() - * always returns pointers that are multiples of the worst-case alignment - * requirement, and we had better do so too. - * There isn't any really portable way to determine the worst-case alignment - * requirement. This module assumes that the alignment requirement is - * multiples of ALIGN_SIZE. - * By default, we define ALIGN_SIZE as sizeof(double). This is necessary on some - * workstations (where doubles really do need 8-byte alignment) and will work - * fine on nearly everything. If your machine has lesser alignment needs, - * you can save a few bytes by making ALIGN_SIZE smaller. - * The only place I know of where this will NOT work is certain Macintosh - * 680x0 compilers that define double as a 10-byte IEEE extended float. - * Doing 10-byte alignment is counterproductive because longwords won't be - * aligned well. Put "#define ALIGN_SIZE 4" in jconfig.h if you have - * such a compiler. - */ - -#ifndef ALIGN_SIZE /* so can override from jconfig.h */ -#ifndef WITH_SIMD -#define ALIGN_SIZE SIZEOF(double) -#else -#define ALIGN_SIZE 16 /* Most SIMD implementations require this */ -#endif -#endif - -/* - * We allocate objects from "pools", where each pool is gotten with a single - * request to jpeg_get_small() or jpeg_get_large(). There is no per-object - * overhead within a pool, except for alignment padding. Each pool has a - * header with a link to the next pool of the same class. - * Small and large pool headers are identical except that the latter's - * link pointer must be FAR on 80x86 machines. - */ - -typedef struct small_pool_struct * small_pool_ptr; - -typedef struct small_pool_struct { - small_pool_ptr next; /* next in list of pools */ - size_t bytes_used; /* how many bytes already used within pool */ - size_t bytes_left; /* bytes still available in this pool */ -} small_pool_hdr; - -typedef struct large_pool_struct FAR * large_pool_ptr; - -typedef struct large_pool_struct { - large_pool_ptr next; /* next in list of pools */ - size_t bytes_used; /* how many bytes already used within pool */ - size_t bytes_left; /* bytes still available in this pool */ -} large_pool_hdr; - -/* - * Here is the full definition of a memory manager object. - */ - -typedef struct { - struct jpeg_memory_mgr pub; /* public fields */ - - /* Each pool identifier (lifetime class) names a linked list of pools. */ - small_pool_ptr small_list[JPOOL_NUMPOOLS]; - large_pool_ptr large_list[JPOOL_NUMPOOLS]; - - /* Since we only have one lifetime class of virtual arrays, only one - * linked list is necessary (for each datatype). Note that the virtual - * array control blocks being linked together are actually stored somewhere - * in the small-pool list. - */ - jvirt_sarray_ptr virt_sarray_list; - jvirt_barray_ptr virt_barray_list; - - /* This counts total space obtained from jpeg_get_small/large */ - size_t total_space_allocated; - - /* alloc_sarray and alloc_barray set this value for use by virtual - * array routines. - */ - JDIMENSION last_rowsperchunk; /* from most recent alloc_sarray/barray */ -} my_memory_mgr; - -typedef my_memory_mgr * my_mem_ptr; - - -/* - * The control blocks for virtual arrays. - * Note that these blocks are allocated in the "small" pool area. - * System-dependent info for the associated backing store (if any) is hidden - * inside the backing_store_info struct. - */ - -struct jvirt_sarray_control { - JSAMPARRAY mem_buffer; /* => the in-memory buffer */ - JDIMENSION rows_in_array; /* total virtual array height */ - JDIMENSION samplesperrow; /* width of array (and of memory buffer) */ - JDIMENSION maxaccess; /* max rows accessed by access_virt_sarray */ - JDIMENSION rows_in_mem; /* height of memory buffer */ - JDIMENSION rowsperchunk; /* allocation chunk size in mem_buffer */ - JDIMENSION cur_start_row; /* first logical row # in the buffer */ - JDIMENSION first_undef_row; /* row # of first uninitialized row */ - boolean pre_zero; /* pre-zero mode requested? */ - boolean dirty; /* do current buffer contents need written? */ - boolean b_s_open; /* is backing-store data valid? */ - jvirt_sarray_ptr next; /* link to next virtual sarray control block */ - backing_store_info b_s_info; /* System-dependent control info */ -}; - -struct jvirt_barray_control { - JBLOCKARRAY mem_buffer; /* => the in-memory buffer */ - JDIMENSION rows_in_array; /* total virtual array height */ - JDIMENSION blocksperrow; /* width of array (and of memory buffer) */ - JDIMENSION maxaccess; /* max rows accessed by access_virt_barray */ - JDIMENSION rows_in_mem; /* height of memory buffer */ - JDIMENSION rowsperchunk; /* allocation chunk size in mem_buffer */ - JDIMENSION cur_start_row; /* first logical row # in the buffer */ - JDIMENSION first_undef_row; /* row # of first uninitialized row */ - boolean pre_zero; /* pre-zero mode requested? */ - boolean dirty; /* do current buffer contents need written? */ - boolean b_s_open; /* is backing-store data valid? */ - jvirt_barray_ptr next; /* link to next virtual barray control block */ - backing_store_info b_s_info; /* System-dependent control info */ -}; - - -#ifdef MEM_STATS /* optional extra stuff for statistics */ - -LOCAL(void) -print_mem_stats (j_common_ptr cinfo, int pool_id) -{ - my_mem_ptr mem = (my_mem_ptr) cinfo->mem; - small_pool_ptr shdr_ptr; - large_pool_ptr lhdr_ptr; - - /* Since this is only a debugging stub, we can cheat a little by using - * fprintf directly rather than going through the trace message code. - * This is helpful because message parm array can't handle longs. - */ - fprintf(stderr, "Freeing pool %d, total space = %ld\n", - pool_id, mem->total_space_allocated); - - for (lhdr_ptr = mem->large_list[pool_id]; lhdr_ptr != NULL; - lhdr_ptr = lhdr_ptr->next) { - fprintf(stderr, " Large chunk used %ld\n", - (long) lhdr_ptr->bytes_used); - } - - for (shdr_ptr = mem->small_list[pool_id]; shdr_ptr != NULL; - shdr_ptr = shdr_ptr->next) { - fprintf(stderr, " Small chunk used %ld free %ld\n", - (long) shdr_ptr->bytes_used, - (long) shdr_ptr->bytes_left); - } -} - -#endif /* MEM_STATS */ - - -LOCAL(void) -out_of_memory (j_common_ptr cinfo, int which) -/* Report an out-of-memory error and stop execution */ -/* If we compiled MEM_STATS support, report alloc requests before dying */ -{ -#ifdef MEM_STATS - cinfo->err->trace_level = 2; /* force self_destruct to report stats */ -#endif - ERREXIT1(cinfo, JERR_OUT_OF_MEMORY, which); -} - - -/* - * Allocation of "small" objects. - * - * For these, we use pooled storage. When a new pool must be created, - * we try to get enough space for the current request plus a "slop" factor, - * where the slop will be the amount of leftover space in the new pool. - * The speed vs. space tradeoff is largely determined by the slop values. - * A different slop value is provided for each pool class (lifetime), - * and we also distinguish the first pool of a class from later ones. - * NOTE: the values given work fairly well on both 16- and 32-bit-int - * machines, but may be too small if longs are 64 bits or more. - * - * Since we do not know what alignment malloc() gives us, we have to - * allocate ALIGN_SIZE-1 extra space per pool to have room for alignment - * adjustment. - */ - -static const size_t first_pool_slop[JPOOL_NUMPOOLS] = -{ - 1600, /* first PERMANENT pool */ - 16000 /* first IMAGE pool */ -}; - -static const size_t extra_pool_slop[JPOOL_NUMPOOLS] = -{ - 0, /* additional PERMANENT pools */ - 5000 /* additional IMAGE pools */ -}; - -#define MIN_SLOP 50 /* greater than 0 to avoid futile looping */ - - -METHODDEF(void *) -alloc_small (j_common_ptr cinfo, int pool_id, size_t sizeofobject) -/* Allocate a "small" object */ -{ - my_mem_ptr mem = (my_mem_ptr) cinfo->mem; - small_pool_ptr hdr_ptr, prev_hdr_ptr; - char * data_ptr; - size_t min_request, slop; - - /* - * Round up the requested size to a multiple of ALIGN_SIZE in order - * to assure alignment for the next object allocated in the same pool - * and so that algorithms can straddle outside the proper area up - * to the next alignment. - */ - sizeofobject = jround_up(sizeofobject, ALIGN_SIZE); - - /* Check for unsatisfiable request (do now to ensure no overflow below) */ - if ((SIZEOF(small_pool_hdr) + sizeofobject + ALIGN_SIZE - 1) > MAX_ALLOC_CHUNK) - out_of_memory(cinfo, 1); /* request exceeds malloc's ability */ - - /* See if space is available in any existing pool */ - if (pool_id < 0 || pool_id >= JPOOL_NUMPOOLS) - ERREXIT1(cinfo, JERR_BAD_POOL_ID, pool_id); /* safety check */ - prev_hdr_ptr = NULL; - hdr_ptr = mem->small_list[pool_id]; - while (hdr_ptr != NULL) { - if (hdr_ptr->bytes_left >= sizeofobject) - break; /* found pool with enough space */ - prev_hdr_ptr = hdr_ptr; - hdr_ptr = hdr_ptr->next; - } - - /* Time to make a new pool? */ - if (hdr_ptr == NULL) { - /* min_request is what we need now, slop is what will be leftover */ - min_request = SIZEOF(small_pool_hdr) + sizeofobject + ALIGN_SIZE - 1; - if (prev_hdr_ptr == NULL) /* first pool in class? */ - slop = first_pool_slop[pool_id]; - else - slop = extra_pool_slop[pool_id]; - /* Don't ask for more than MAX_ALLOC_CHUNK */ - if (slop > (size_t) (MAX_ALLOC_CHUNK-min_request)) - slop = (size_t) (MAX_ALLOC_CHUNK-min_request); - /* Try to get space, if fail reduce slop and try again */ - for (;;) { - hdr_ptr = (small_pool_ptr) jpeg_get_small(cinfo, min_request + slop); - if (hdr_ptr != NULL) - break; - slop /= 2; - if (slop < MIN_SLOP) /* give up when it gets real small */ - out_of_memory(cinfo, 2); /* jpeg_get_small failed */ - } - mem->total_space_allocated += min_request + slop; - /* Success, initialize the new pool header and add to end of list */ - hdr_ptr->next = NULL; - hdr_ptr->bytes_used = 0; - hdr_ptr->bytes_left = sizeofobject + slop; - if (prev_hdr_ptr == NULL) /* first pool in class? */ - mem->small_list[pool_id] = hdr_ptr; - else - prev_hdr_ptr->next = hdr_ptr; - } - - /* OK, allocate the object from the current pool */ - data_ptr = (char *) hdr_ptr; /* point to first data byte in pool... */ - data_ptr += SIZEOF(small_pool_hdr); /* ...by skipping the header... */ - if ((size_t)data_ptr % ALIGN_SIZE) /* ...and adjust for alignment */ - data_ptr += ALIGN_SIZE - (size_t)data_ptr % ALIGN_SIZE; - data_ptr += hdr_ptr->bytes_used; /* point to place for object */ - hdr_ptr->bytes_used += sizeofobject; - hdr_ptr->bytes_left -= sizeofobject; - - return (void *) data_ptr; -} - - -/* - * Allocation of "large" objects. - * - * The external semantics of these are the same as "small" objects, - * except that FAR pointers are used on 80x86. However the pool - * management heuristics are quite different. We assume that each - * request is large enough that it may as well be passed directly to - * jpeg_get_large; the pool management just links everything together - * so that we can free it all on demand. - * Note: the major use of "large" objects is in JSAMPARRAY and JBLOCKARRAY - * structures. The routines that create these structures (see below) - * deliberately bunch rows together to ensure a large request size. - */ - -METHODDEF(void FAR *) -alloc_large (j_common_ptr cinfo, int pool_id, size_t sizeofobject) -/* Allocate a "large" object */ -{ - my_mem_ptr mem = (my_mem_ptr) cinfo->mem; - large_pool_ptr hdr_ptr; - char FAR * data_ptr; - - /* - * Round up the requested size to a multiple of ALIGN_SIZE so that - * algorithms can straddle outside the proper area up to the next - * alignment. - */ - sizeofobject = jround_up(sizeofobject, ALIGN_SIZE); - - /* Check for unsatisfiable request (do now to ensure no overflow below) */ - if ((SIZEOF(large_pool_hdr) + sizeofobject + ALIGN_SIZE - 1) > MAX_ALLOC_CHUNK) - out_of_memory(cinfo, 3); /* request exceeds malloc's ability */ - - /* Always make a new pool */ - if (pool_id < 0 || pool_id >= JPOOL_NUMPOOLS) - ERREXIT1(cinfo, JERR_BAD_POOL_ID, pool_id); /* safety check */ - - hdr_ptr = (large_pool_ptr) jpeg_get_large(cinfo, sizeofobject + - SIZEOF(large_pool_hdr) + - ALIGN_SIZE - 1); - if (hdr_ptr == NULL) - out_of_memory(cinfo, 4); /* jpeg_get_large failed */ - mem->total_space_allocated += sizeofobject + SIZEOF(large_pool_hdr) + ALIGN_SIZE - 1; - - /* Success, initialize the new pool header and add to list */ - hdr_ptr->next = mem->large_list[pool_id]; - /* We maintain space counts in each pool header for statistical purposes, - * even though they are not needed for allocation. - */ - hdr_ptr->bytes_used = sizeofobject; - hdr_ptr->bytes_left = 0; - mem->large_list[pool_id] = hdr_ptr; - - data_ptr = (char *) hdr_ptr; /* point to first data byte in pool... */ - data_ptr += SIZEOF(small_pool_hdr); /* ...by skipping the header... */ - if ((size_t)data_ptr % ALIGN_SIZE) /* ...and adjust for alignment */ - data_ptr += ALIGN_SIZE - (size_t)data_ptr % ALIGN_SIZE; - - return (void FAR *) data_ptr; -} - - -/* - * Creation of 2-D sample arrays. - * The pointers are in near heap, the samples themselves in FAR heap. - * - * To minimize allocation overhead and to allow I/O of large contiguous - * blocks, we allocate the sample rows in groups of as many rows as possible - * without exceeding MAX_ALLOC_CHUNK total bytes per allocation request. - * NB: the virtual array control routines, later in this file, know about - * this chunking of rows. The rowsperchunk value is left in the mem manager - * object so that it can be saved away if this sarray is the workspace for - * a virtual array. - * - * Since we are often upsampling with a factor 2, we align the size (not - * the start) to 2 * ALIGN_SIZE so that the upsampling routines don't have - * to be as careful about size. - */ - -METHODDEF(JSAMPARRAY) -alloc_sarray (j_common_ptr cinfo, int pool_id, - JDIMENSION samplesperrow, JDIMENSION numrows) -/* Allocate a 2-D sample array */ -{ - my_mem_ptr mem = (my_mem_ptr) cinfo->mem; - JSAMPARRAY result; - JSAMPROW workspace; - JDIMENSION rowsperchunk, currow, i; - long ltemp; - - /* Make sure each row is properly aligned */ - if ((ALIGN_SIZE % SIZEOF(JSAMPLE)) != 0) - out_of_memory(cinfo, 5); /* safety check */ - samplesperrow = (JDIMENSION)jround_up(samplesperrow, (2 * ALIGN_SIZE) / SIZEOF(JSAMPLE)); - - /* Calculate max # of rows allowed in one allocation chunk */ - ltemp = (MAX_ALLOC_CHUNK-SIZEOF(large_pool_hdr)) / - ((long) samplesperrow * SIZEOF(JSAMPLE)); - if (ltemp <= 0) - ERREXIT(cinfo, JERR_WIDTH_OVERFLOW); - if (ltemp < (long) numrows) - rowsperchunk = (JDIMENSION) ltemp; - else - rowsperchunk = numrows; - mem->last_rowsperchunk = rowsperchunk; - - /* Get space for row pointers (small object) */ - result = (JSAMPARRAY) alloc_small(cinfo, pool_id, - (size_t) (numrows * SIZEOF(JSAMPROW))); - - /* Get the rows themselves (large objects) */ - currow = 0; - while (currow < numrows) { - rowsperchunk = MIN(rowsperchunk, numrows - currow); - workspace = (JSAMPROW) alloc_large(cinfo, pool_id, - (size_t) ((size_t) rowsperchunk * (size_t) samplesperrow - * SIZEOF(JSAMPLE))); - for (i = rowsperchunk; i > 0; i--) { - result[currow++] = workspace; - workspace += samplesperrow; - } - } - - return result; -} - - -/* - * Creation of 2-D coefficient-block arrays. - * This is essentially the same as the code for sample arrays, above. - */ - -METHODDEF(JBLOCKARRAY) -alloc_barray (j_common_ptr cinfo, int pool_id, - JDIMENSION blocksperrow, JDIMENSION numrows) -/* Allocate a 2-D coefficient-block array */ -{ - my_mem_ptr mem = (my_mem_ptr) cinfo->mem; - JBLOCKARRAY result; - JBLOCKROW workspace; - JDIMENSION rowsperchunk, currow, i; - long ltemp; - - /* Make sure each row is properly aligned */ - if ((SIZEOF(JBLOCK) % ALIGN_SIZE) != 0) - out_of_memory(cinfo, 6); /* safety check */ - - /* Calculate max # of rows allowed in one allocation chunk */ - ltemp = (MAX_ALLOC_CHUNK-SIZEOF(large_pool_hdr)) / - ((long) blocksperrow * SIZEOF(JBLOCK)); - if (ltemp <= 0) - ERREXIT(cinfo, JERR_WIDTH_OVERFLOW); - if (ltemp < (long) numrows) - rowsperchunk = (JDIMENSION) ltemp; - else - rowsperchunk = numrows; - mem->last_rowsperchunk = rowsperchunk; - - /* Get space for row pointers (small object) */ - result = (JBLOCKARRAY) alloc_small(cinfo, pool_id, - (size_t) (numrows * SIZEOF(JBLOCKROW))); - - /* Get the rows themselves (large objects) */ - currow = 0; - while (currow < numrows) { - rowsperchunk = MIN(rowsperchunk, numrows - currow); - workspace = (JBLOCKROW) alloc_large(cinfo, pool_id, - (size_t) ((size_t) rowsperchunk * (size_t) blocksperrow - * SIZEOF(JBLOCK))); - for (i = rowsperchunk; i > 0; i--) { - result[currow++] = workspace; - workspace += blocksperrow; - } - } - - return result; -} - - -/* - * About virtual array management: - * - * The above "normal" array routines are only used to allocate strip buffers - * (as wide as the image, but just a few rows high). Full-image-sized buffers - * are handled as "virtual" arrays. The array is still accessed a strip at a - * time, but the memory manager must save the whole array for repeated - * accesses. The intended implementation is that there is a strip buffer in - * memory (as high as is possible given the desired memory limit), plus a - * backing file that holds the rest of the array. - * - * The request_virt_array routines are told the total size of the image and - * the maximum number of rows that will be accessed at once. The in-memory - * buffer must be at least as large as the maxaccess value. - * - * The request routines create control blocks but not the in-memory buffers. - * That is postponed until realize_virt_arrays is called. At that time the - * total amount of space needed is known (approximately, anyway), so free - * memory can be divided up fairly. - * - * The access_virt_array routines are responsible for making a specific strip - * area accessible (after reading or writing the backing file, if necessary). - * Note that the access routines are told whether the caller intends to modify - * the accessed strip; during a read-only pass this saves having to rewrite - * data to disk. The access routines are also responsible for pre-zeroing - * any newly accessed rows, if pre-zeroing was requested. - * - * In current usage, the access requests are usually for nonoverlapping - * strips; that is, successive access start_row numbers differ by exactly - * num_rows = maxaccess. This means we can get good performance with simple - * buffer dump/reload logic, by making the in-memory buffer be a multiple - * of the access height; then there will never be accesses across bufferload - * boundaries. The code will still work with overlapping access requests, - * but it doesn't handle bufferload overlaps very efficiently. - */ - - -METHODDEF(jvirt_sarray_ptr) -request_virt_sarray (j_common_ptr cinfo, int pool_id, boolean pre_zero, - JDIMENSION samplesperrow, JDIMENSION numrows, - JDIMENSION maxaccess) -/* Request a virtual 2-D sample array */ -{ - my_mem_ptr mem = (my_mem_ptr) cinfo->mem; - jvirt_sarray_ptr result; - - /* Only IMAGE-lifetime virtual arrays are currently supported */ - if (pool_id != JPOOL_IMAGE) - ERREXIT1(cinfo, JERR_BAD_POOL_ID, pool_id); /* safety check */ - - /* get control block */ - result = (jvirt_sarray_ptr) alloc_small(cinfo, pool_id, - SIZEOF(struct jvirt_sarray_control)); - - result->mem_buffer = NULL; /* marks array not yet realized */ - result->rows_in_array = numrows; - result->samplesperrow = samplesperrow; - result->maxaccess = maxaccess; - result->pre_zero = pre_zero; - result->b_s_open = FALSE; /* no associated backing-store object */ - result->next = mem->virt_sarray_list; /* add to list of virtual arrays */ - mem->virt_sarray_list = result; - - return result; -} - - -METHODDEF(jvirt_barray_ptr) -request_virt_barray (j_common_ptr cinfo, int pool_id, boolean pre_zero, - JDIMENSION blocksperrow, JDIMENSION numrows, - JDIMENSION maxaccess) -/* Request a virtual 2-D coefficient-block array */ -{ - my_mem_ptr mem = (my_mem_ptr) cinfo->mem; - jvirt_barray_ptr result; - - /* Only IMAGE-lifetime virtual arrays are currently supported */ - if (pool_id != JPOOL_IMAGE) - ERREXIT1(cinfo, JERR_BAD_POOL_ID, pool_id); /* safety check */ - - /* get control block */ - result = (jvirt_barray_ptr) alloc_small(cinfo, pool_id, - SIZEOF(struct jvirt_barray_control)); - - result->mem_buffer = NULL; /* marks array not yet realized */ - result->rows_in_array = numrows; - result->blocksperrow = blocksperrow; - result->maxaccess = maxaccess; - result->pre_zero = pre_zero; - result->b_s_open = FALSE; /* no associated backing-store object */ - result->next = mem->virt_barray_list; /* add to list of virtual arrays */ - mem->virt_barray_list = result; - - return result; -} - - -METHODDEF(void) -realize_virt_arrays (j_common_ptr cinfo) -/* Allocate the in-memory buffers for any unrealized virtual arrays */ -{ - my_mem_ptr mem = (my_mem_ptr) cinfo->mem; - size_t space_per_minheight, maximum_space, avail_mem; - size_t minheights, max_minheights; - jvirt_sarray_ptr sptr; - jvirt_barray_ptr bptr; - - /* Compute the minimum space needed (maxaccess rows in each buffer) - * and the maximum space needed (full image height in each buffer). - * These may be of use to the system-dependent jpeg_mem_available routine. - */ - space_per_minheight = 0; - maximum_space = 0; - for (sptr = mem->virt_sarray_list; sptr != NULL; sptr = sptr->next) { - if (sptr->mem_buffer == NULL) { /* if not realized yet */ - space_per_minheight += (long) sptr->maxaccess * - (long) sptr->samplesperrow * SIZEOF(JSAMPLE); - maximum_space += (long) sptr->rows_in_array * - (long) sptr->samplesperrow * SIZEOF(JSAMPLE); - } - } - for (bptr = mem->virt_barray_list; bptr != NULL; bptr = bptr->next) { - if (bptr->mem_buffer == NULL) { /* if not realized yet */ - space_per_minheight += (long) bptr->maxaccess * - (long) bptr->blocksperrow * SIZEOF(JBLOCK); - maximum_space += (long) bptr->rows_in_array * - (long) bptr->blocksperrow * SIZEOF(JBLOCK); - } - } - - if (space_per_minheight <= 0) - return; /* no unrealized arrays, no work */ - - /* Determine amount of memory to actually use; this is system-dependent. */ - avail_mem = jpeg_mem_available(cinfo, space_per_minheight, maximum_space, - mem->total_space_allocated); - - /* If the maximum space needed is available, make all the buffers full - * height; otherwise parcel it out with the same number of minheights - * in each buffer. - */ - if (avail_mem >= maximum_space) - max_minheights = 1000000000L; - else { - max_minheights = avail_mem / space_per_minheight; - /* If there doesn't seem to be enough space, try to get the minimum - * anyway. This allows a "stub" implementation of jpeg_mem_available(). - */ - if (max_minheights <= 0) - max_minheights = 1; - } - - /* Allocate the in-memory buffers and initialize backing store as needed. */ - - for (sptr = mem->virt_sarray_list; sptr != NULL; sptr = sptr->next) { - if (sptr->mem_buffer == NULL) { /* if not realized yet */ - minheights = ((long) sptr->rows_in_array - 1L) / sptr->maxaccess + 1L; - if (minheights <= max_minheights) { - /* This buffer fits in memory */ - sptr->rows_in_mem = sptr->rows_in_array; - } else { - /* It doesn't fit in memory, create backing store. */ - sptr->rows_in_mem = (JDIMENSION) (max_minheights * sptr->maxaccess); - jpeg_open_backing_store(cinfo, & sptr->b_s_info, - (long) sptr->rows_in_array * - (long) sptr->samplesperrow * - (long) SIZEOF(JSAMPLE)); - sptr->b_s_open = TRUE; - } - sptr->mem_buffer = alloc_sarray(cinfo, JPOOL_IMAGE, - sptr->samplesperrow, sptr->rows_in_mem); - sptr->rowsperchunk = mem->last_rowsperchunk; - sptr->cur_start_row = 0; - sptr->first_undef_row = 0; - sptr->dirty = FALSE; - } - } - - for (bptr = mem->virt_barray_list; bptr != NULL; bptr = bptr->next) { - if (bptr->mem_buffer == NULL) { /* if not realized yet */ - minheights = ((long) bptr->rows_in_array - 1L) / bptr->maxaccess + 1L; - if (minheights <= max_minheights) { - /* This buffer fits in memory */ - bptr->rows_in_mem = bptr->rows_in_array; - } else { - /* It doesn't fit in memory, create backing store. */ - bptr->rows_in_mem = (JDIMENSION) (max_minheights * bptr->maxaccess); - jpeg_open_backing_store(cinfo, & bptr->b_s_info, - (long) bptr->rows_in_array * - (long) bptr->blocksperrow * - (long) SIZEOF(JBLOCK)); - bptr->b_s_open = TRUE; - } - bptr->mem_buffer = alloc_barray(cinfo, JPOOL_IMAGE, - bptr->blocksperrow, bptr->rows_in_mem); - bptr->rowsperchunk = mem->last_rowsperchunk; - bptr->cur_start_row = 0; - bptr->first_undef_row = 0; - bptr->dirty = FALSE; - } - } -} - - -LOCAL(void) -do_sarray_io (j_common_ptr cinfo, jvirt_sarray_ptr ptr, boolean writing) -/* Do backing store read or write of a virtual sample array */ -{ - long bytesperrow, file_offset, byte_count, rows, thisrow, i; - - bytesperrow = (long) ptr->samplesperrow * SIZEOF(JSAMPLE); - file_offset = ptr->cur_start_row * bytesperrow; - /* Loop to read or write each allocation chunk in mem_buffer */ - for (i = 0; i < (long) ptr->rows_in_mem; i += ptr->rowsperchunk) { - /* One chunk, but check for short chunk at end of buffer */ - rows = MIN((long) ptr->rowsperchunk, (long) ptr->rows_in_mem - i); - /* Transfer no more than is currently defined */ - thisrow = (long) ptr->cur_start_row + i; - rows = MIN(rows, (long) ptr->first_undef_row - thisrow); - /* Transfer no more than fits in file */ - rows = MIN(rows, (long) ptr->rows_in_array - thisrow); - if (rows <= 0) /* this chunk might be past end of file! */ - break; - byte_count = rows * bytesperrow; - if (writing) - (*ptr->b_s_info.write_backing_store) (cinfo, & ptr->b_s_info, - (void FAR *) ptr->mem_buffer[i], - file_offset, byte_count); - else - (*ptr->b_s_info.read_backing_store) (cinfo, & ptr->b_s_info, - (void FAR *) ptr->mem_buffer[i], - file_offset, byte_count); - file_offset += byte_count; - } -} - - -LOCAL(void) -do_barray_io (j_common_ptr cinfo, jvirt_barray_ptr ptr, boolean writing) -/* Do backing store read or write of a virtual coefficient-block array */ -{ - long bytesperrow, file_offset, byte_count, rows, thisrow, i; - - bytesperrow = (long) ptr->blocksperrow * SIZEOF(JBLOCK); - file_offset = ptr->cur_start_row * bytesperrow; - /* Loop to read or write each allocation chunk in mem_buffer */ - for (i = 0; i < (long) ptr->rows_in_mem; i += ptr->rowsperchunk) { - /* One chunk, but check for short chunk at end of buffer */ - rows = MIN((long) ptr->rowsperchunk, (long) ptr->rows_in_mem - i); - /* Transfer no more than is currently defined */ - thisrow = (long) ptr->cur_start_row + i; - rows = MIN(rows, (long) ptr->first_undef_row - thisrow); - /* Transfer no more than fits in file */ - rows = MIN(rows, (long) ptr->rows_in_array - thisrow); - if (rows <= 0) /* this chunk might be past end of file! */ - break; - byte_count = rows * bytesperrow; - if (writing) - (*ptr->b_s_info.write_backing_store) (cinfo, & ptr->b_s_info, - (void FAR *) ptr->mem_buffer[i], - file_offset, byte_count); - else - (*ptr->b_s_info.read_backing_store) (cinfo, & ptr->b_s_info, - (void FAR *) ptr->mem_buffer[i], - file_offset, byte_count); - file_offset += byte_count; - } -} - - -METHODDEF(JSAMPARRAY) -access_virt_sarray (j_common_ptr cinfo, jvirt_sarray_ptr ptr, - JDIMENSION start_row, JDIMENSION num_rows, - boolean writable) -/* Access the part of a virtual sample array starting at start_row */ -/* and extending for num_rows rows. writable is true if */ -/* caller intends to modify the accessed area. */ -{ - JDIMENSION end_row = start_row + num_rows; - JDIMENSION undef_row; - - /* debugging check */ - if (end_row > ptr->rows_in_array || num_rows > ptr->maxaccess || - ptr->mem_buffer == NULL) - ERREXIT(cinfo, JERR_BAD_VIRTUAL_ACCESS); - - /* Make the desired part of the virtual array accessible */ - if (start_row < ptr->cur_start_row || - end_row > ptr->cur_start_row+ptr->rows_in_mem) { - if (! ptr->b_s_open) - ERREXIT(cinfo, JERR_VIRTUAL_BUG); - /* Flush old buffer contents if necessary */ - if (ptr->dirty) { - do_sarray_io(cinfo, ptr, TRUE); - ptr->dirty = FALSE; - } - /* Decide what part of virtual array to access. - * Algorithm: if target address > current window, assume forward scan, - * load starting at target address. If target address < current window, - * assume backward scan, load so that target area is top of window. - * Note that when switching from forward write to forward read, will have - * start_row = 0, so the limiting case applies and we load from 0 anyway. - */ - if (start_row > ptr->cur_start_row) { - ptr->cur_start_row = start_row; - } else { - /* use long arithmetic here to avoid overflow & unsigned problems */ - long ltemp; - - ltemp = (long) end_row - (long) ptr->rows_in_mem; - if (ltemp < 0) - ltemp = 0; /* don't fall off front end of file */ - ptr->cur_start_row = (JDIMENSION) ltemp; - } - /* Read in the selected part of the array. - * During the initial write pass, we will do no actual read - * because the selected part is all undefined. - */ - do_sarray_io(cinfo, ptr, FALSE); - } - /* Ensure the accessed part of the array is defined; prezero if needed. - * To improve locality of access, we only prezero the part of the array - * that the caller is about to access, not the entire in-memory array. - */ - if (ptr->first_undef_row < end_row) { - if (ptr->first_undef_row < start_row) { - if (writable) /* writer skipped over a section of array */ - ERREXIT(cinfo, JERR_BAD_VIRTUAL_ACCESS); - undef_row = start_row; /* but reader is allowed to read ahead */ - } else { - undef_row = ptr->first_undef_row; - } - if (writable) - ptr->first_undef_row = end_row; - if (ptr->pre_zero) { - size_t bytesperrow = (size_t) ptr->samplesperrow * SIZEOF(JSAMPLE); - undef_row -= ptr->cur_start_row; /* make indexes relative to buffer */ - end_row -= ptr->cur_start_row; - while (undef_row < end_row) { - jzero_far((void FAR *) ptr->mem_buffer[undef_row], bytesperrow); - undef_row++; - } - } else { - if (! writable) /* reader looking at undefined data */ - ERREXIT(cinfo, JERR_BAD_VIRTUAL_ACCESS); - } - } - /* Flag the buffer dirty if caller will write in it */ - if (writable) - ptr->dirty = TRUE; - /* Return address of proper part of the buffer */ - return ptr->mem_buffer + (start_row - ptr->cur_start_row); -} - - -METHODDEF(JBLOCKARRAY) -access_virt_barray (j_common_ptr cinfo, jvirt_barray_ptr ptr, - JDIMENSION start_row, JDIMENSION num_rows, - boolean writable) -/* Access the part of a virtual block array starting at start_row */ -/* and extending for num_rows rows. writable is true if */ -/* caller intends to modify the accessed area. */ -{ - JDIMENSION end_row = start_row + num_rows; - JDIMENSION undef_row; - - /* debugging check */ - if (end_row > ptr->rows_in_array || num_rows > ptr->maxaccess || - ptr->mem_buffer == NULL) - ERREXIT(cinfo, JERR_BAD_VIRTUAL_ACCESS); - - /* Make the desired part of the virtual array accessible */ - if (start_row < ptr->cur_start_row || - end_row > ptr->cur_start_row+ptr->rows_in_mem) { - if (! ptr->b_s_open) - ERREXIT(cinfo, JERR_VIRTUAL_BUG); - /* Flush old buffer contents if necessary */ - if (ptr->dirty) { - do_barray_io(cinfo, ptr, TRUE); - ptr->dirty = FALSE; - } - /* Decide what part of virtual array to access. - * Algorithm: if target address > current window, assume forward scan, - * load starting at target address. If target address < current window, - * assume backward scan, load so that target area is top of window. - * Note that when switching from forward write to forward read, will have - * start_row = 0, so the limiting case applies and we load from 0 anyway. - */ - if (start_row > ptr->cur_start_row) { - ptr->cur_start_row = start_row; - } else { - /* use long arithmetic here to avoid overflow & unsigned problems */ - long ltemp; - - ltemp = (long) end_row - (long) ptr->rows_in_mem; - if (ltemp < 0) - ltemp = 0; /* don't fall off front end of file */ - ptr->cur_start_row = (JDIMENSION) ltemp; - } - /* Read in the selected part of the array. - * During the initial write pass, we will do no actual read - * because the selected part is all undefined. - */ - do_barray_io(cinfo, ptr, FALSE); - } - /* Ensure the accessed part of the array is defined; prezero if needed. - * To improve locality of access, we only prezero the part of the array - * that the caller is about to access, not the entire in-memory array. - */ - if (ptr->first_undef_row < end_row) { - if (ptr->first_undef_row < start_row) { - if (writable) /* writer skipped over a section of array */ - ERREXIT(cinfo, JERR_BAD_VIRTUAL_ACCESS); - undef_row = start_row; /* but reader is allowed to read ahead */ - } else { - undef_row = ptr->first_undef_row; - } - if (writable) - ptr->first_undef_row = end_row; - if (ptr->pre_zero) { - size_t bytesperrow = (size_t) ptr->blocksperrow * SIZEOF(JBLOCK); - undef_row -= ptr->cur_start_row; /* make indexes relative to buffer */ - end_row -= ptr->cur_start_row; - while (undef_row < end_row) { - jzero_far((void FAR *) ptr->mem_buffer[undef_row], bytesperrow); - undef_row++; - } - } else { - if (! writable) /* reader looking at undefined data */ - ERREXIT(cinfo, JERR_BAD_VIRTUAL_ACCESS); - } - } - /* Flag the buffer dirty if caller will write in it */ - if (writable) - ptr->dirty = TRUE; - /* Return address of proper part of the buffer */ - return ptr->mem_buffer + (start_row - ptr->cur_start_row); -} - - -/* - * Release all objects belonging to a specified pool. - */ - -METHODDEF(void) -free_pool (j_common_ptr cinfo, int pool_id) -{ - my_mem_ptr mem = (my_mem_ptr) cinfo->mem; - small_pool_ptr shdr_ptr; - large_pool_ptr lhdr_ptr; - size_t space_freed; - - if (pool_id < 0 || pool_id >= JPOOL_NUMPOOLS) - ERREXIT1(cinfo, JERR_BAD_POOL_ID, pool_id); /* safety check */ - -#ifdef MEM_STATS - if (cinfo->err->trace_level > 1) - print_mem_stats(cinfo, pool_id); /* print pool's memory usage statistics */ -#endif - - /* If freeing IMAGE pool, close any virtual arrays first */ - if (pool_id == JPOOL_IMAGE) { - jvirt_sarray_ptr sptr; - jvirt_barray_ptr bptr; - - for (sptr = mem->virt_sarray_list; sptr != NULL; sptr = sptr->next) { - if (sptr->b_s_open) { /* there may be no backing store */ - sptr->b_s_open = FALSE; /* prevent recursive close if error */ - (*sptr->b_s_info.close_backing_store) (cinfo, & sptr->b_s_info); - } - } - mem->virt_sarray_list = NULL; - for (bptr = mem->virt_barray_list; bptr != NULL; bptr = bptr->next) { - if (bptr->b_s_open) { /* there may be no backing store */ - bptr->b_s_open = FALSE; /* prevent recursive close if error */ - (*bptr->b_s_info.close_backing_store) (cinfo, & bptr->b_s_info); - } - } - mem->virt_barray_list = NULL; - } - - /* Release large objects */ - lhdr_ptr = mem->large_list[pool_id]; - mem->large_list[pool_id] = NULL; - - while (lhdr_ptr != NULL) { - large_pool_ptr next_lhdr_ptr = lhdr_ptr->next; - space_freed = lhdr_ptr->bytes_used + - lhdr_ptr->bytes_left + - SIZEOF(large_pool_hdr); - jpeg_free_large(cinfo, (void FAR *) lhdr_ptr, space_freed); - mem->total_space_allocated -= space_freed; - lhdr_ptr = next_lhdr_ptr; - } - - /* Release small objects */ - shdr_ptr = mem->small_list[pool_id]; - mem->small_list[pool_id] = NULL; - - while (shdr_ptr != NULL) { - small_pool_ptr next_shdr_ptr = shdr_ptr->next; - space_freed = shdr_ptr->bytes_used + - shdr_ptr->bytes_left + - SIZEOF(small_pool_hdr); - jpeg_free_small(cinfo, (void *) shdr_ptr, space_freed); - mem->total_space_allocated -= space_freed; - shdr_ptr = next_shdr_ptr; - } -} - - -/* - * Close up shop entirely. - * Note that this cannot be called unless cinfo->mem is non-NULL. - */ - -METHODDEF(void) -self_destruct (j_common_ptr cinfo) -{ - int pool; - - /* Close all backing store, release all memory. - * Releasing pools in reverse order might help avoid fragmentation - * with some (brain-damaged) malloc libraries. - */ - for (pool = JPOOL_NUMPOOLS-1; pool >= JPOOL_PERMANENT; pool--) { - free_pool(cinfo, pool); - } - - /* Release the memory manager control block too. */ - jpeg_free_small(cinfo, (void *) cinfo->mem, SIZEOF(my_memory_mgr)); - cinfo->mem = NULL; /* ensures I will be called only once */ - - jpeg_mem_term(cinfo); /* system-dependent cleanup */ -} - - -/* - * Memory manager initialization. - * When this is called, only the error manager pointer is valid in cinfo! - */ - -GLOBAL(void) -jinit_memory_mgr (j_common_ptr cinfo) -{ - my_mem_ptr mem; - long max_to_use; - int pool; - size_t test_mac; - - cinfo->mem = NULL; /* for safety if init fails */ - - /* Check for configuration errors. - * SIZEOF(ALIGN_TYPE) should be a power of 2; otherwise, it probably - * doesn't reflect any real hardware alignment requirement. - * The test is a little tricky: for X>0, X and X-1 have no one-bits - * in common if and only if X is a power of 2, ie has only one one-bit. - * Some compilers may give an "unreachable code" warning here; ignore it. - */ - if ((ALIGN_SIZE & (ALIGN_SIZE-1)) != 0) - ERREXIT(cinfo, JERR_BAD_ALIGN_TYPE); - /* MAX_ALLOC_CHUNK must be representable as type size_t, and must be - * a multiple of ALIGN_SIZE. - * Again, an "unreachable code" warning may be ignored here. - * But a "constant too large" warning means you need to fix MAX_ALLOC_CHUNK. - */ - test_mac = (size_t) MAX_ALLOC_CHUNK; - if ((long) test_mac != MAX_ALLOC_CHUNK || - (MAX_ALLOC_CHUNK % ALIGN_SIZE) != 0) - ERREXIT(cinfo, JERR_BAD_ALLOC_CHUNK); - - max_to_use = jpeg_mem_init(cinfo); /* system-dependent initialization */ - - /* Attempt to allocate memory manager's control block */ - mem = (my_mem_ptr) jpeg_get_small(cinfo, SIZEOF(my_memory_mgr)); - - if (mem == NULL) { - jpeg_mem_term(cinfo); /* system-dependent cleanup */ - ERREXIT1(cinfo, JERR_OUT_OF_MEMORY, 0); - } - - /* OK, fill in the method pointers */ - mem->pub.alloc_small = alloc_small; - mem->pub.alloc_large = alloc_large; - mem->pub.alloc_sarray = alloc_sarray; - mem->pub.alloc_barray = alloc_barray; - mem->pub.request_virt_sarray = request_virt_sarray; - mem->pub.request_virt_barray = request_virt_barray; - mem->pub.realize_virt_arrays = realize_virt_arrays; - mem->pub.access_virt_sarray = access_virt_sarray; - mem->pub.access_virt_barray = access_virt_barray; - mem->pub.free_pool = free_pool; - mem->pub.self_destruct = self_destruct; - - /* Make MAX_ALLOC_CHUNK accessible to other modules */ - mem->pub.max_alloc_chunk = MAX_ALLOC_CHUNK; - - /* Initialize working state */ - mem->pub.max_memory_to_use = max_to_use; - - for (pool = JPOOL_NUMPOOLS-1; pool >= JPOOL_PERMANENT; pool--) { - mem->small_list[pool] = NULL; - mem->large_list[pool] = NULL; - } - mem->virt_sarray_list = NULL; - mem->virt_barray_list = NULL; - - mem->total_space_allocated = SIZEOF(my_memory_mgr); - - /* Declare ourselves open for business */ - cinfo->mem = & mem->pub; - - /* Check for an environment variable JPEGMEM; if found, override the - * default max_memory setting from jpeg_mem_init. Note that the - * surrounding application may again override this value. - * If your system doesn't support getenv(), define NO_GETENV to disable - * this feature. - */ -#ifndef NO_GETENV - { char * memenv; - - if ((memenv = getenv("JPEGMEM")) != NULL) { - char ch = 'x'; - - if (sscanf(memenv, "%ld%c", &max_to_use, &ch) > 0) { - if (ch == 'm' || ch == 'M') - max_to_use *= 1000L; - mem->pub.max_memory_to_use = max_to_use * 1000L; - } - } - } -#endif - -} diff --git a/common/jpeg/jmemnobs.c b/common/jpeg/jmemnobs.c deleted file mode 100644 index 34b18956..00000000 --- a/common/jpeg/jmemnobs.c +++ /dev/null @@ -1,109 +0,0 @@ -/* - * jmemnobs.c - * - * Copyright (C) 1992-1996, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file provides a really simple implementation of the system- - * dependent portion of the JPEG memory manager. This implementation - * assumes that no backing-store files are needed: all required space - * can be obtained from malloc(). - * This is very portable in the sense that it'll compile on almost anything, - * but you'd better have lots of main memory (or virtual memory) if you want - * to process big images. - * Note that the max_memory_to_use option is ignored by this implementation. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" -#include "jmemsys.h" /* import the system-dependent declarations */ - -#ifndef HAVE_STDLIB_H /* <stdlib.h> should declare malloc(),free() */ -extern void * malloc JPP((size_t size)); -extern void free JPP((void *ptr)); -#endif - - -/* - * Memory allocation and freeing are controlled by the regular library - * routines malloc() and free(). - */ - -GLOBAL(void *) -jpeg_get_small (j_common_ptr cinfo, size_t sizeofobject) -{ - return (void *) malloc(sizeofobject); -} - -GLOBAL(void) -jpeg_free_small (j_common_ptr cinfo, void * object, size_t sizeofobject) -{ - free(object); -} - - -/* - * "Large" objects are treated the same as "small" ones. - * NB: although we include FAR keywords in the routine declarations, - * this file won't actually work in 80x86 small/medium model; at least, - * you probably won't be able to process useful-size images in only 64KB. - */ - -GLOBAL(void FAR *) -jpeg_get_large (j_common_ptr cinfo, size_t sizeofobject) -{ - return (void FAR *) malloc(sizeofobject); -} - -GLOBAL(void) -jpeg_free_large (j_common_ptr cinfo, void FAR * object, size_t sizeofobject) -{ - free(object); -} - - -/* - * This routine computes the total memory space available for allocation. - * Here we always say, "we got all you want bud!" - */ - -GLOBAL(size_t) -jpeg_mem_available (j_common_ptr cinfo, size_t min_bytes_needed, - size_t max_bytes_needed, size_t already_allocated) -{ - return max_bytes_needed; -} - - -/* - * Backing store (temporary file) management. - * Since jpeg_mem_available always promised the moon, - * this should never be called and we can just error out. - */ - -GLOBAL(void) -jpeg_open_backing_store (j_common_ptr cinfo, backing_store_ptr info, - long total_bytes_needed) -{ - ERREXIT(cinfo, JERR_NO_BACKING_STORE); -} - - -/* - * These routines take care of any system-dependent initialization and - * cleanup required. Here, there isn't any. - */ - -GLOBAL(long) -jpeg_mem_init (j_common_ptr cinfo) -{ - return 0; /* just set max_memory_to_use to 0 */ -} - -GLOBAL(void) -jpeg_mem_term (j_common_ptr cinfo) -{ - /* no work */ -} diff --git a/common/jpeg/jmemsys.h b/common/jpeg/jmemsys.h deleted file mode 100644 index b1909459..00000000 --- a/common/jpeg/jmemsys.h +++ /dev/null @@ -1,198 +0,0 @@ -/* - * jmemsys.h - * - * Copyright (C) 1992-1997, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This include file defines the interface between the system-independent - * and system-dependent portions of the JPEG memory manager. No other - * modules need include it. (The system-independent portion is jmemmgr.c; - * there are several different versions of the system-dependent portion.) - * - * This file works as-is for the system-dependent memory managers supplied - * in the IJG distribution. You may need to modify it if you write a - * custom memory manager. If system-dependent changes are needed in - * this file, the best method is to #ifdef them based on a configuration - * symbol supplied in jconfig.h, as we have done with USE_MSDOS_MEMMGR - * and USE_MAC_MEMMGR. - */ - - -/* Short forms of external names for systems with brain-damaged linkers. */ - -#ifdef NEED_SHORT_EXTERNAL_NAMES -#define jpeg_get_small jGetSmall -#define jpeg_free_small jFreeSmall -#define jpeg_get_large jGetLarge -#define jpeg_free_large jFreeLarge -#define jpeg_mem_available jMemAvail -#define jpeg_open_backing_store jOpenBackStore -#define jpeg_mem_init jMemInit -#define jpeg_mem_term jMemTerm -#endif /* NEED_SHORT_EXTERNAL_NAMES */ - - -/* - * These two functions are used to allocate and release small chunks of - * memory. (Typically the total amount requested through jpeg_get_small is - * no more than 20K or so; this will be requested in chunks of a few K each.) - * Behavior should be the same as for the standard library functions malloc - * and free; in particular, jpeg_get_small must return NULL on failure. - * On most systems, these ARE malloc and free. jpeg_free_small is passed the - * size of the object being freed, just in case it's needed. - * On an 80x86 machine using small-data memory model, these manage near heap. - */ - -EXTERN(void *) jpeg_get_small JPP((j_common_ptr cinfo, size_t sizeofobject)); -EXTERN(void) jpeg_free_small JPP((j_common_ptr cinfo, void * object, - size_t sizeofobject)); - -/* - * These two functions are used to allocate and release large chunks of - * memory (up to the total free space designated by jpeg_mem_available). - * The interface is the same as above, except that on an 80x86 machine, - * far pointers are used. On most other machines these are identical to - * the jpeg_get/free_small routines; but we keep them separate anyway, - * in case a different allocation strategy is desirable for large chunks. - */ - -EXTERN(void FAR *) jpeg_get_large JPP((j_common_ptr cinfo, - size_t sizeofobject)); -EXTERN(void) jpeg_free_large JPP((j_common_ptr cinfo, void FAR * object, - size_t sizeofobject)); - -/* - * The macro MAX_ALLOC_CHUNK designates the maximum number of bytes that may - * be requested in a single call to jpeg_get_large (and jpeg_get_small for that - * matter, but that case should never come into play). This macro is needed - * to model the 64Kb-segment-size limit of far addressing on 80x86 machines. - * On those machines, we expect that jconfig.h will provide a proper value. - * On machines with 32-bit flat address spaces, any large constant may be used. - * - * NB: jmemmgr.c expects that MAX_ALLOC_CHUNK will be representable as type - * size_t and will be a multiple of sizeof(align_type). - */ - -#ifndef MAX_ALLOC_CHUNK /* may be overridden in jconfig.h */ -#define MAX_ALLOC_CHUNK 1000000000L -#endif - -/* - * This routine computes the total space still available for allocation by - * jpeg_get_large. If more space than this is needed, backing store will be - * used. NOTE: any memory already allocated must not be counted. - * - * There is a minimum space requirement, corresponding to the minimum - * feasible buffer sizes; jmemmgr.c will request that much space even if - * jpeg_mem_available returns zero. The maximum space needed, enough to hold - * all working storage in memory, is also passed in case it is useful. - * Finally, the total space already allocated is passed. If no better - * method is available, cinfo->mem->max_memory_to_use - already_allocated - * is often a suitable calculation. - * - * It is OK for jpeg_mem_available to underestimate the space available - * (that'll just lead to more backing-store access than is really necessary). - * However, an overestimate will lead to failure. Hence it's wise to subtract - * a slop factor from the true available space. 5% should be enough. - * - * On machines with lots of virtual memory, any large constant may be returned. - * Conversely, zero may be returned to always use the minimum amount of memory. - */ - -EXTERN(size_t) jpeg_mem_available JPP((j_common_ptr cinfo, - size_t min_bytes_needed, - size_t max_bytes_needed, - size_t already_allocated)); - - -/* - * This structure holds whatever state is needed to access a single - * backing-store object. The read/write/close method pointers are called - * by jmemmgr.c to manipulate the backing-store object; all other fields - * are private to the system-dependent backing store routines. - */ - -#define TEMP_NAME_LENGTH 64 /* max length of a temporary file's name */ - - -#ifdef USE_MSDOS_MEMMGR /* DOS-specific junk */ - -typedef unsigned short XMSH; /* type of extended-memory handles */ -typedef unsigned short EMSH; /* type of expanded-memory handles */ - -typedef union { - short file_handle; /* DOS file handle if it's a temp file */ - XMSH xms_handle; /* handle if it's a chunk of XMS */ - EMSH ems_handle; /* handle if it's a chunk of EMS */ -} handle_union; - -#endif /* USE_MSDOS_MEMMGR */ - -#ifdef USE_MAC_MEMMGR /* Mac-specific junk */ -#include <Files.h> -#endif /* USE_MAC_MEMMGR */ - - -typedef struct backing_store_struct * backing_store_ptr; - -typedef struct backing_store_struct { - /* Methods for reading/writing/closing this backing-store object */ - JMETHOD(void, read_backing_store, (j_common_ptr cinfo, - backing_store_ptr info, - void FAR * buffer_address, - long file_offset, long byte_count)); - JMETHOD(void, write_backing_store, (j_common_ptr cinfo, - backing_store_ptr info, - void FAR * buffer_address, - long file_offset, long byte_count)); - JMETHOD(void, close_backing_store, (j_common_ptr cinfo, - backing_store_ptr info)); - - /* Private fields for system-dependent backing-store management */ -#ifdef USE_MSDOS_MEMMGR - /* For the MS-DOS manager (jmemdos.c), we need: */ - handle_union handle; /* reference to backing-store storage object */ - char temp_name[TEMP_NAME_LENGTH]; /* name if it's a file */ -#else -#ifdef USE_MAC_MEMMGR - /* For the Mac manager (jmemmac.c), we need: */ - short temp_file; /* file reference number to temp file */ - FSSpec tempSpec; /* the FSSpec for the temp file */ - char temp_name[TEMP_NAME_LENGTH]; /* name if it's a file */ -#else - /* For a typical implementation with temp files, we need: */ - FILE * temp_file; /* stdio reference to temp file */ - char temp_name[TEMP_NAME_LENGTH]; /* name of temp file */ -#endif -#endif -} backing_store_info; - - -/* - * Initial opening of a backing-store object. This must fill in the - * read/write/close pointers in the object. The read/write routines - * may take an error exit if the specified maximum file size is exceeded. - * (If jpeg_mem_available always returns a large value, this routine can - * just take an error exit.) - */ - -EXTERN(void) jpeg_open_backing_store JPP((j_common_ptr cinfo, - backing_store_ptr info, - long total_bytes_needed)); - - -/* - * These routines take care of any system-dependent initialization and - * cleanup required. jpeg_mem_init will be called before anything is - * allocated (and, therefore, nothing in cinfo is of use except the error - * manager pointer). It should return a suitable default value for - * max_memory_to_use; this may subsequently be overridden by the surrounding - * application. (Note that max_memory_to_use is only important if - * jpeg_mem_available chooses to consult it ... no one else will.) - * jpeg_mem_term may assume that all requested memory has been freed and that - * all opened backing-store objects have been closed. - */ - -EXTERN(long) jpeg_mem_init JPP((j_common_ptr cinfo)); -EXTERN(void) jpeg_mem_term JPP((j_common_ptr cinfo)); diff --git a/common/jpeg/jmorecfg.h b/common/jpeg/jmorecfg.h deleted file mode 100644 index 0e7fb720..00000000 --- a/common/jpeg/jmorecfg.h +++ /dev/null @@ -1,370 +0,0 @@ -/* - * jmorecfg.h - * - * Copyright (C) 1991-1997, Thomas G. Lane. - * Copyright (C) 2009, D. R. Commander. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains additional configuration options that customize the - * JPEG software for special applications or support machine-dependent - * optimizations. Most users will not need to touch this file. - */ - - -/* - * Define BITS_IN_JSAMPLE as either - * 8 for 8-bit sample values (the usual setting) - * 12 for 12-bit sample values - * Only 8 and 12 are legal data precisions for lossy JPEG according to the - * JPEG standard, and the IJG code does not support anything else! - * We do not support run-time selection of data precision, sorry. - */ - -#define BITS_IN_JSAMPLE 8 /* use 8 or 12 */ - - -/* - * Maximum number of components (color channels) allowed in JPEG image. - * To meet the letter of the JPEG spec, set this to 255. However, darn - * few applications need more than 4 channels (maybe 5 for CMYK + alpha - * mask). We recommend 10 as a reasonable compromise; use 4 if you are - * really short on memory. (Each allowed component costs a hundred or so - * bytes of storage, whether actually used in an image or not.) - */ - -#define MAX_COMPONENTS 10 /* maximum number of image components */ - - -/* - * Basic data types. - * You may need to change these if you have a machine with unusual data - * type sizes; for example, "char" not 8 bits, "short" not 16 bits, - * or "long" not 32 bits. We don't care whether "int" is 16 or 32 bits, - * but it had better be at least 16. - */ - -/* Representation of a single sample (pixel element value). - * We frequently allocate large arrays of these, so it's important to keep - * them small. But if you have memory to burn and access to char or short - * arrays is very slow on your hardware, you might want to change these. - */ - -#if BITS_IN_JSAMPLE == 8 -/* JSAMPLE should be the smallest type that will hold the values 0..255. - * You can use a signed char by having GETJSAMPLE mask it with 0xFF. - */ - -#ifdef HAVE_UNSIGNED_CHAR - -typedef unsigned char JSAMPLE; -#define GETJSAMPLE(value) ((int) (value)) - -#else /* not HAVE_UNSIGNED_CHAR */ - -typedef char JSAMPLE; -#ifdef __CHAR_UNSIGNED__ -#define GETJSAMPLE(value) ((int) (value)) -#else -#define GETJSAMPLE(value) ((int) (value) & 0xFF) -#endif /* __CHAR_UNSIGNED__ */ - -#endif /* HAVE_UNSIGNED_CHAR */ - -#define MAXJSAMPLE 255 -#define CENTERJSAMPLE 128 - -#endif /* BITS_IN_JSAMPLE == 8 */ - - -#if BITS_IN_JSAMPLE == 12 -/* JSAMPLE should be the smallest type that will hold the values 0..4095. - * On nearly all machines "short" will do nicely. - */ - -typedef short JSAMPLE; -#define GETJSAMPLE(value) ((int) (value)) - -#define MAXJSAMPLE 4095 -#define CENTERJSAMPLE 2048 - -#endif /* BITS_IN_JSAMPLE == 12 */ - - -/* Representation of a DCT frequency coefficient. - * This should be a signed value of at least 16 bits; "short" is usually OK. - * Again, we allocate large arrays of these, but you can change to int - * if you have memory to burn and "short" is really slow. - */ - -typedef short JCOEF; - - -/* Compressed datastreams are represented as arrays of JOCTET. - * These must be EXACTLY 8 bits wide, at least once they are written to - * external storage. Note that when using the stdio data source/destination - * managers, this is also the data type passed to fread/fwrite. - */ - -#ifdef HAVE_UNSIGNED_CHAR - -typedef unsigned char JOCTET; -#define GETJOCTET(value) (value) - -#else /* not HAVE_UNSIGNED_CHAR */ - -typedef char JOCTET; -#ifdef __CHAR_UNSIGNED__ -#define GETJOCTET(value) (value) -#else -#define GETJOCTET(value) ((value) & 0xFF) -#endif /* __CHAR_UNSIGNED__ */ - -#endif /* HAVE_UNSIGNED_CHAR */ - - -/* These typedefs are used for various table entries and so forth. - * They must be at least as wide as specified; but making them too big - * won't cost a huge amount of memory, so we don't provide special - * extraction code like we did for JSAMPLE. (In other words, these - * typedefs live at a different point on the speed/space tradeoff curve.) - */ - -/* UINT8 must hold at least the values 0..255. */ - -#ifdef HAVE_UNSIGNED_CHAR -typedef unsigned char UINT8; -#else /* not HAVE_UNSIGNED_CHAR */ -#ifdef __CHAR_UNSIGNED__ -typedef char UINT8; -#else /* not __CHAR_UNSIGNED__ */ -typedef short UINT8; -#endif /* __CHAR_UNSIGNED__ */ -#endif /* HAVE_UNSIGNED_CHAR */ - -/* UINT16 must hold at least the values 0..65535. */ - -#ifdef HAVE_UNSIGNED_SHORT -typedef unsigned short UINT16; -#else /* not HAVE_UNSIGNED_SHORT */ -typedef unsigned int UINT16; -#endif /* HAVE_UNSIGNED_SHORT */ - -/* INT16 must hold at least the values -32768..32767. */ - -#ifndef XMD_H /* X11/xmd.h correctly defines INT16 */ -typedef short INT16; -#endif - -/* INT32 must hold at least signed 32-bit values. */ - -#ifndef XMD_H /* X11/xmd.h correctly defines INT32 */ -typedef long INT32; -#endif - -/* Datatype used for image dimensions. The JPEG standard only supports - * images up to 64K*64K due to 16-bit fields in SOF markers. Therefore - * "unsigned int" is sufficient on all machines. However, if you need to - * handle larger images and you don't mind deviating from the spec, you - * can change this datatype. - */ - -typedef unsigned int JDIMENSION; - -#define JPEG_MAX_DIMENSION 65500L /* a tad under 64K to prevent overflows */ - - -/* These macros are used in all function definitions and extern declarations. - * You could modify them if you need to change function linkage conventions; - * in particular, you'll need to do that to make the library a Windows DLL. - * Another application is to make all functions global for use with debuggers - * or code profilers that require it. - */ - -/* a function called through method pointers: */ -#define METHODDEF(type) static type -/* a function used only in its module: */ -#define LOCAL(type) static type -/* a function referenced thru EXTERNs: */ -#define GLOBAL(type) type -/* a reference to a GLOBAL function: */ -#define EXTERN(type) extern type - - -/* This macro is used to declare a "method", that is, a function pointer. - * We want to supply prototype parameters if the compiler can cope. - * Note that the arglist parameter must be parenthesized! - * Again, you can customize this if you need special linkage keywords. - */ - -#ifdef HAVE_PROTOTYPES -#define JMETHOD(type,methodname,arglist) type (*methodname) arglist -#else -#define JMETHOD(type,methodname,arglist) type (*methodname) () -#endif - - -/* Here is the pseudo-keyword for declaring pointers that must be "far" - * on 80x86 machines. Most of the specialized coding for 80x86 is handled - * by just saying "FAR *" where such a pointer is needed. In a few places - * explicit coding is needed; see uses of the NEED_FAR_POINTERS symbol. - */ - -#ifdef NEED_FAR_POINTERS -#define FAR far -#else -#define FAR -#endif - - -/* - * On a few systems, type boolean and/or its values FALSE, TRUE may appear - * in standard header files. Or you may have conflicts with application- - * specific header files that you want to include together with these files. - * Defining HAVE_BOOLEAN before including jpeglib.h should make it work. - */ - -#ifndef HAVE_BOOLEAN -typedef int boolean; -#endif -#ifndef FALSE /* in case these macros already exist */ -#define FALSE 0 /* values of boolean */ -#endif -#ifndef TRUE -#define TRUE 1 -#endif - - -/* - * The remaining options affect code selection within the JPEG library, - * but they don't need to be visible to most applications using the library. - * To minimize application namespace pollution, the symbols won't be - * defined unless JPEG_INTERNALS or JPEG_INTERNAL_OPTIONS has been defined. - */ - -#ifdef JPEG_INTERNALS -#define JPEG_INTERNAL_OPTIONS -#endif - -#ifdef JPEG_INTERNAL_OPTIONS - - -/* - * These defines indicate whether to include various optional functions. - * Undefining some of these symbols will produce a smaller but less capable - * library. Note that you can leave certain source files out of the - * compilation/linking process if you've #undef'd the corresponding symbols. - * (You may HAVE to do that if your compiler doesn't like null source files.) - */ - -/* Arithmetic coding is unsupported for legal reasons. Complaints to IBM. */ - -/* Capability options common to encoder and decoder: */ - -#define DCT_ISLOW_SUPPORTED /* slow but accurate integer algorithm */ -#define DCT_IFAST_SUPPORTED /* faster, less accurate integer method */ -#define DCT_FLOAT_SUPPORTED /* floating-point: accurate, fast on fast HW */ - -/* Encoder capability options: */ - -#undef C_ARITH_CODING_SUPPORTED /* Arithmetic coding back end? */ -#define C_MULTISCAN_FILES_SUPPORTED /* Multiple-scan JPEG files? */ -#define C_PROGRESSIVE_SUPPORTED /* Progressive JPEG? (Requires MULTISCAN)*/ -#define ENTROPY_OPT_SUPPORTED /* Optimization of entropy coding parms? */ -/* Note: if you selected 12-bit data precision, it is dangerous to turn off - * ENTROPY_OPT_SUPPORTED. The standard Huffman tables are only good for 8-bit - * precision, so jchuff.c normally uses entropy optimization to compute - * usable tables for higher precision. If you don't want to do optimization, - * you'll have to supply different default Huffman tables. - * The exact same statements apply for progressive JPEG: the default tables - * don't work for progressive mode. (This may get fixed, however.) - */ -#define INPUT_SMOOTHING_SUPPORTED /* Input image smoothing option? */ - -/* Decoder capability options: */ - -#undef D_ARITH_CODING_SUPPORTED /* Arithmetic coding back end? */ -#define D_MULTISCAN_FILES_SUPPORTED /* Multiple-scan JPEG files? */ -#define D_PROGRESSIVE_SUPPORTED /* Progressive JPEG? (Requires MULTISCAN)*/ -#define SAVE_MARKERS_SUPPORTED /* jpeg_save_markers() needed? */ -#define BLOCK_SMOOTHING_SUPPORTED /* Block smoothing? (Progressive only) */ -#define IDCT_SCALING_SUPPORTED /* Output rescaling via IDCT? */ -#undef UPSAMPLE_SCALING_SUPPORTED /* Output rescaling at upsample stage? */ -#define UPSAMPLE_MERGING_SUPPORTED /* Fast path for sloppy upsampling? */ -#define QUANT_1PASS_SUPPORTED /* 1-pass color quantization? */ -#define QUANT_2PASS_SUPPORTED /* 2-pass color quantization? */ - -/* more capability options later, no doubt */ - - -/* - * Ordering of RGB data in scanlines passed to or from the application. - * If your application wants to deal with data in the order B,G,R, just - * change these macros. You can also deal with formats such as R,G,B,X - * (one extra byte per pixel) by changing RGB_PIXELSIZE. Note that changing - * the offsets will also change the order in which colormap data is organized. - * RESTRICTIONS: - * 1. The sample applications cjpeg,djpeg do NOT support modified RGB formats. - * 2. These macros only affect RGB<=>YCbCr color conversion, so they are not - * useful if you are using JPEG color spaces other than YCbCr or grayscale. - * 3. The color quantizer modules will not behave desirably if RGB_PIXELSIZE - * is not 3 (they don't understand about dummy color components!). So you - * can't use color quantization if you change that value. - */ - -#define RGB_RED 0 /* Offset of Red in an RGB scanline element */ -#define RGB_GREEN 1 /* Offset of Green */ -#define RGB_BLUE 2 /* Offset of Blue */ -#define RGB_PIXELSIZE 3 /* JSAMPLEs per RGB scanline element */ - -#define JPEG_NUMCS 12 - -static const int rgb_red[JPEG_NUMCS] = { - -1, -1, RGB_RED, -1, -1, -1, 0, 0, 2, 2, 3, 1 -}; - -static const int rgb_green[JPEG_NUMCS] = { - -1, -1, RGB_GREEN, -1, -1, -1, 1, 1, 1, 1, 2, 2 -}; - -static const int rgb_blue[JPEG_NUMCS] = { - -1, -1, RGB_BLUE, -1, -1, -1, 2, 2, 0, 0, 1, 3 -}; - -static const int rgb_pixelsize[JPEG_NUMCS] = { - -1, -1, RGB_PIXELSIZE, -1, -1, -1, 3, 4, 3, 4, 4, 4 -}; - -/* Definitions for speed-related optimizations. */ - -/* On some machines (notably 68000 series) "int" is 32 bits, but multiplying - * two 16-bit shorts is faster than multiplying two ints. Define MULTIPLIER - * as short on such a machine. MULTIPLIER must be at least 16 bits wide. - */ - -#ifndef MULTIPLIER -#ifndef WITH_SIMD -#define MULTIPLIER int /* type for fastest integer multiply */ -#else -#define MULTIPLIER short /* prefer 16-bit with SIMD for parellelism */ -#endif -#endif - - -/* FAST_FLOAT should be either float or double, whichever is done faster - * by your compiler. (Note that this type is only used in the floating point - * DCT routines, so it only matters if you've defined DCT_FLOAT_SUPPORTED.) - * Typically, float is faster in ANSI C compilers, while double is faster in - * pre-ANSI compilers (because they insist on converting to double anyway). - * The code below therefore chooses float if we have ANSI-style prototypes. - */ - -#ifndef FAST_FLOAT -#ifdef HAVE_PROTOTYPES -#define FAST_FLOAT float -#else -#define FAST_FLOAT double -#endif -#endif - -#endif /* JPEG_INTERNAL_OPTIONS */ diff --git a/common/jpeg/jpegint.h b/common/jpeg/jpegint.h deleted file mode 100644 index 7a31f51c..00000000 --- a/common/jpeg/jpegint.h +++ /dev/null @@ -1,392 +0,0 @@ -/* - * jpegint.h - * - * Copyright (C) 1991-1997, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file provides common declarations for the various JPEG modules. - * These declarations are considered internal to the JPEG library; most - * applications using the library shouldn't need to include this file. - */ - - -/* Declarations for both compression & decompression */ - -typedef enum { /* Operating modes for buffer controllers */ - JBUF_PASS_THRU, /* Plain stripwise operation */ - /* Remaining modes require a full-image buffer to have been created */ - JBUF_SAVE_SOURCE, /* Run source subobject only, save output */ - JBUF_CRANK_DEST, /* Run dest subobject only, using saved data */ - JBUF_SAVE_AND_PASS /* Run both subobjects, save output */ -} J_BUF_MODE; - -/* Values of global_state field (jdapi.c has some dependencies on ordering!) */ -#define CSTATE_START 100 /* after create_compress */ -#define CSTATE_SCANNING 101 /* start_compress done, write_scanlines OK */ -#define CSTATE_RAW_OK 102 /* start_compress done, write_raw_data OK */ -#define CSTATE_WRCOEFS 103 /* jpeg_write_coefficients done */ -#define DSTATE_START 200 /* after create_decompress */ -#define DSTATE_INHEADER 201 /* reading header markers, no SOS yet */ -#define DSTATE_READY 202 /* found SOS, ready for start_decompress */ -#define DSTATE_PRELOAD 203 /* reading multiscan file in start_decompress*/ -#define DSTATE_PRESCAN 204 /* performing dummy pass for 2-pass quant */ -#define DSTATE_SCANNING 205 /* start_decompress done, read_scanlines OK */ -#define DSTATE_RAW_OK 206 /* start_decompress done, read_raw_data OK */ -#define DSTATE_BUFIMAGE 207 /* expecting jpeg_start_output */ -#define DSTATE_BUFPOST 208 /* looking for SOS/EOI in jpeg_finish_output */ -#define DSTATE_RDCOEFS 209 /* reading file in jpeg_read_coefficients */ -#define DSTATE_STOPPING 210 /* looking for EOI in jpeg_finish_decompress */ - - -/* Declarations for compression modules */ - -/* Master control module */ -struct jpeg_comp_master { - JMETHOD(void, prepare_for_pass, (j_compress_ptr cinfo)); - JMETHOD(void, pass_startup, (j_compress_ptr cinfo)); - JMETHOD(void, finish_pass, (j_compress_ptr cinfo)); - - /* State variables made visible to other modules */ - boolean call_pass_startup; /* True if pass_startup must be called */ - boolean is_last_pass; /* True during last pass */ -}; - -/* Main buffer control (downsampled-data buffer) */ -struct jpeg_c_main_controller { - JMETHOD(void, start_pass, (j_compress_ptr cinfo, J_BUF_MODE pass_mode)); - JMETHOD(void, process_data, (j_compress_ptr cinfo, - JSAMPARRAY input_buf, JDIMENSION *in_row_ctr, - JDIMENSION in_rows_avail)); -}; - -/* Compression preprocessing (downsampling input buffer control) */ -struct jpeg_c_prep_controller { - JMETHOD(void, start_pass, (j_compress_ptr cinfo, J_BUF_MODE pass_mode)); - JMETHOD(void, pre_process_data, (j_compress_ptr cinfo, - JSAMPARRAY input_buf, - JDIMENSION *in_row_ctr, - JDIMENSION in_rows_avail, - JSAMPIMAGE output_buf, - JDIMENSION *out_row_group_ctr, - JDIMENSION out_row_groups_avail)); -}; - -/* Coefficient buffer control */ -struct jpeg_c_coef_controller { - JMETHOD(void, start_pass, (j_compress_ptr cinfo, J_BUF_MODE pass_mode)); - JMETHOD(boolean, compress_data, (j_compress_ptr cinfo, - JSAMPIMAGE input_buf)); -}; - -/* Colorspace conversion */ -struct jpeg_color_converter { - JMETHOD(void, start_pass, (j_compress_ptr cinfo)); - JMETHOD(void, color_convert, (j_compress_ptr cinfo, - JSAMPARRAY input_buf, JSAMPIMAGE output_buf, - JDIMENSION output_row, int num_rows)); -}; - -/* Downsampling */ -struct jpeg_downsampler { - JMETHOD(void, start_pass, (j_compress_ptr cinfo)); - JMETHOD(void, downsample, (j_compress_ptr cinfo, - JSAMPIMAGE input_buf, JDIMENSION in_row_index, - JSAMPIMAGE output_buf, - JDIMENSION out_row_group_index)); - - boolean need_context_rows; /* TRUE if need rows above & below */ -}; - -/* Forward DCT (also controls coefficient quantization) */ -struct jpeg_forward_dct { - JMETHOD(void, start_pass, (j_compress_ptr cinfo)); - /* perhaps this should be an array??? */ - JMETHOD(void, forward_DCT, (j_compress_ptr cinfo, - jpeg_component_info * compptr, - JSAMPARRAY sample_data, JBLOCKROW coef_blocks, - JDIMENSION start_row, JDIMENSION start_col, - JDIMENSION num_blocks)); -}; - -/* Entropy encoding */ -struct jpeg_entropy_encoder { - JMETHOD(void, start_pass, (j_compress_ptr cinfo, boolean gather_statistics)); - JMETHOD(boolean, encode_mcu, (j_compress_ptr cinfo, JBLOCKROW *MCU_data)); - JMETHOD(void, finish_pass, (j_compress_ptr cinfo)); -}; - -/* Marker writing */ -struct jpeg_marker_writer { - JMETHOD(void, write_file_header, (j_compress_ptr cinfo)); - JMETHOD(void, write_frame_header, (j_compress_ptr cinfo)); - JMETHOD(void, write_scan_header, (j_compress_ptr cinfo)); - JMETHOD(void, write_file_trailer, (j_compress_ptr cinfo)); - JMETHOD(void, write_tables_only, (j_compress_ptr cinfo)); - /* These routines are exported to allow insertion of extra markers */ - /* Probably only COM and APPn markers should be written this way */ - JMETHOD(void, write_marker_header, (j_compress_ptr cinfo, int marker, - unsigned int datalen)); - JMETHOD(void, write_marker_byte, (j_compress_ptr cinfo, int val)); -}; - - -/* Declarations for decompression modules */ - -/* Master control module */ -struct jpeg_decomp_master { - JMETHOD(void, prepare_for_output_pass, (j_decompress_ptr cinfo)); - JMETHOD(void, finish_output_pass, (j_decompress_ptr cinfo)); - - /* State variables made visible to other modules */ - boolean is_dummy_pass; /* True during 1st pass for 2-pass quant */ -}; - -/* Input control module */ -struct jpeg_input_controller { - JMETHOD(int, consume_input, (j_decompress_ptr cinfo)); - JMETHOD(void, reset_input_controller, (j_decompress_ptr cinfo)); - JMETHOD(void, start_input_pass, (j_decompress_ptr cinfo)); - JMETHOD(void, finish_input_pass, (j_decompress_ptr cinfo)); - - /* State variables made visible to other modules */ - boolean has_multiple_scans; /* True if file has multiple scans */ - boolean eoi_reached; /* True when EOI has been consumed */ -}; - -/* Main buffer control (downsampled-data buffer) */ -struct jpeg_d_main_controller { - JMETHOD(void, start_pass, (j_decompress_ptr cinfo, J_BUF_MODE pass_mode)); - JMETHOD(void, process_data, (j_decompress_ptr cinfo, - JSAMPARRAY output_buf, JDIMENSION *out_row_ctr, - JDIMENSION out_rows_avail)); -}; - -/* Coefficient buffer control */ -struct jpeg_d_coef_controller { - JMETHOD(void, start_input_pass, (j_decompress_ptr cinfo)); - JMETHOD(int, consume_data, (j_decompress_ptr cinfo)); - JMETHOD(void, start_output_pass, (j_decompress_ptr cinfo)); - JMETHOD(int, decompress_data, (j_decompress_ptr cinfo, - JSAMPIMAGE output_buf)); - /* Pointer to array of coefficient virtual arrays, or NULL if none */ - jvirt_barray_ptr *coef_arrays; -}; - -/* Decompression postprocessing (color quantization buffer control) */ -struct jpeg_d_post_controller { - JMETHOD(void, start_pass, (j_decompress_ptr cinfo, J_BUF_MODE pass_mode)); - JMETHOD(void, post_process_data, (j_decompress_ptr cinfo, - JSAMPIMAGE input_buf, - JDIMENSION *in_row_group_ctr, - JDIMENSION in_row_groups_avail, - JSAMPARRAY output_buf, - JDIMENSION *out_row_ctr, - JDIMENSION out_rows_avail)); -}; - -/* Marker reading & parsing */ -struct jpeg_marker_reader { - JMETHOD(void, reset_marker_reader, (j_decompress_ptr cinfo)); - /* Read markers until SOS or EOI. - * Returns same codes as are defined for jpeg_consume_input: - * JPEG_SUSPENDED, JPEG_REACHED_SOS, or JPEG_REACHED_EOI. - */ - JMETHOD(int, read_markers, (j_decompress_ptr cinfo)); - /* Read a restart marker --- exported for use by entropy decoder only */ - jpeg_marker_parser_method read_restart_marker; - - /* State of marker reader --- nominally internal, but applications - * supplying COM or APPn handlers might like to know the state. - */ - boolean saw_SOI; /* found SOI? */ - boolean saw_SOF; /* found SOF? */ - int next_restart_num; /* next restart number expected (0-7) */ - unsigned int discarded_bytes; /* # of bytes skipped looking for a marker */ -}; - -/* Entropy decoding */ -struct jpeg_entropy_decoder { - JMETHOD(void, start_pass, (j_decompress_ptr cinfo)); - JMETHOD(boolean, decode_mcu, (j_decompress_ptr cinfo, - JBLOCKROW *MCU_data)); - - /* This is here to share code between baseline and progressive decoders; */ - /* other modules probably should not use it */ - boolean insufficient_data; /* set TRUE after emitting warning */ -}; - -/* Inverse DCT (also performs dequantization) */ -typedef JMETHOD(void, inverse_DCT_method_ptr, - (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, - JSAMPARRAY output_buf, JDIMENSION output_col)); - -struct jpeg_inverse_dct { - JMETHOD(void, start_pass, (j_decompress_ptr cinfo)); - /* It is useful to allow each component to have a separate IDCT method. */ - inverse_DCT_method_ptr inverse_DCT[MAX_COMPONENTS]; -}; - -/* Upsampling (note that upsampler must also call color converter) */ -struct jpeg_upsampler { - JMETHOD(void, start_pass, (j_decompress_ptr cinfo)); - JMETHOD(void, upsample, (j_decompress_ptr cinfo, - JSAMPIMAGE input_buf, - JDIMENSION *in_row_group_ctr, - JDIMENSION in_row_groups_avail, - JSAMPARRAY output_buf, - JDIMENSION *out_row_ctr, - JDIMENSION out_rows_avail)); - - boolean need_context_rows; /* TRUE if need rows above & below */ -}; - -/* Colorspace conversion */ -struct jpeg_color_deconverter { - JMETHOD(void, start_pass, (j_decompress_ptr cinfo)); - JMETHOD(void, color_convert, (j_decompress_ptr cinfo, - JSAMPIMAGE input_buf, JDIMENSION input_row, - JSAMPARRAY output_buf, int num_rows)); -}; - -/* Color quantization or color precision reduction */ -struct jpeg_color_quantizer { - JMETHOD(void, start_pass, (j_decompress_ptr cinfo, boolean is_pre_scan)); - JMETHOD(void, color_quantize, (j_decompress_ptr cinfo, - JSAMPARRAY input_buf, JSAMPARRAY output_buf, - int num_rows)); - JMETHOD(void, finish_pass, (j_decompress_ptr cinfo)); - JMETHOD(void, new_color_map, (j_decompress_ptr cinfo)); -}; - - -/* Miscellaneous useful macros */ - -#undef MAX -#define MAX(a,b) ((a) > (b) ? (a) : (b)) -#undef MIN -#define MIN(a,b) ((a) < (b) ? (a) : (b)) - - -/* We assume that right shift corresponds to signed division by 2 with - * rounding towards minus infinity. This is correct for typical "arithmetic - * shift" instructions that shift in copies of the sign bit. But some - * C compilers implement >> with an unsigned shift. For these machines you - * must define RIGHT_SHIFT_IS_UNSIGNED. - * RIGHT_SHIFT provides a proper signed right shift of an INT32 quantity. - * It is only applied with constant shift counts. SHIFT_TEMPS must be - * included in the variables of any routine using RIGHT_SHIFT. - */ - -#ifdef RIGHT_SHIFT_IS_UNSIGNED -#define SHIFT_TEMPS INT32 shift_temp; -#define RIGHT_SHIFT(x,shft) \ - ((shift_temp = (x)) < 0 ? \ - (shift_temp >> (shft)) | ((~((INT32) 0)) << (32-(shft))) : \ - (shift_temp >> (shft))) -#else -#define SHIFT_TEMPS -#define RIGHT_SHIFT(x,shft) ((x) >> (shft)) -#endif - - -/* Short forms of external names for systems with brain-damaged linkers. */ - -#ifdef NEED_SHORT_EXTERNAL_NAMES -#define jinit_compress_master jICompress -#define jinit_c_master_control jICMaster -#define jinit_c_main_controller jICMainC -#define jinit_c_prep_controller jICPrepC -#define jinit_c_coef_controller jICCoefC -#define jinit_color_converter jICColor -#define jinit_downsampler jIDownsampler -#define jinit_forward_dct jIFDCT -#define jinit_huff_encoder jIHEncoder -#define jinit_phuff_encoder jIPHEncoder -#define jinit_marker_writer jIMWriter -#define jinit_master_decompress jIDMaster -#define jinit_d_main_controller jIDMainC -#define jinit_d_coef_controller jIDCoefC -#define jinit_d_post_controller jIDPostC -#define jinit_input_controller jIInCtlr -#define jinit_marker_reader jIMReader -#define jinit_huff_decoder jIHDecoder -#define jinit_phuff_decoder jIPHDecoder -#define jinit_inverse_dct jIIDCT -#define jinit_upsampler jIUpsampler -#define jinit_color_deconverter jIDColor -#define jinit_1pass_quantizer jI1Quant -#define jinit_2pass_quantizer jI2Quant -#define jinit_merged_upsampler jIMUpsampler -#define jinit_memory_mgr jIMemMgr -#define jdiv_round_up jDivRound -#define jround_up jRound -#define jcopy_sample_rows jCopySamples -#define jcopy_block_row jCopyBlocks -#define jzero_far jZeroFar -#define jpeg_zigzag_order jZIGTable -#define jpeg_natural_order jZAGTable -#endif /* NEED_SHORT_EXTERNAL_NAMES */ - - -/* Compression module initialization routines */ -EXTERN(void) jinit_compress_master JPP((j_compress_ptr cinfo)); -EXTERN(void) jinit_c_master_control JPP((j_compress_ptr cinfo, - boolean transcode_only)); -EXTERN(void) jinit_c_main_controller JPP((j_compress_ptr cinfo, - boolean need_full_buffer)); -EXTERN(void) jinit_c_prep_controller JPP((j_compress_ptr cinfo, - boolean need_full_buffer)); -EXTERN(void) jinit_c_coef_controller JPP((j_compress_ptr cinfo, - boolean need_full_buffer)); -EXTERN(void) jinit_color_converter JPP((j_compress_ptr cinfo)); -EXTERN(void) jinit_downsampler JPP((j_compress_ptr cinfo)); -EXTERN(void) jinit_forward_dct JPP((j_compress_ptr cinfo)); -EXTERN(void) jinit_huff_encoder JPP((j_compress_ptr cinfo)); -EXTERN(void) jinit_phuff_encoder JPP((j_compress_ptr cinfo)); -EXTERN(void) jinit_marker_writer JPP((j_compress_ptr cinfo)); -/* Decompression module initialization routines */ -EXTERN(void) jinit_master_decompress JPP((j_decompress_ptr cinfo)); -EXTERN(void) jinit_d_main_controller JPP((j_decompress_ptr cinfo, - boolean need_full_buffer)); -EXTERN(void) jinit_d_coef_controller JPP((j_decompress_ptr cinfo, - boolean need_full_buffer)); -EXTERN(void) jinit_d_post_controller JPP((j_decompress_ptr cinfo, - boolean need_full_buffer)); -EXTERN(void) jinit_input_controller JPP((j_decompress_ptr cinfo)); -EXTERN(void) jinit_marker_reader JPP((j_decompress_ptr cinfo)); -EXTERN(void) jinit_huff_decoder JPP((j_decompress_ptr cinfo)); -EXTERN(void) jinit_phuff_decoder JPP((j_decompress_ptr cinfo)); -EXTERN(void) jinit_inverse_dct JPP((j_decompress_ptr cinfo)); -EXTERN(void) jinit_upsampler JPP((j_decompress_ptr cinfo)); -EXTERN(void) jinit_color_deconverter JPP((j_decompress_ptr cinfo)); -EXTERN(void) jinit_1pass_quantizer JPP((j_decompress_ptr cinfo)); -EXTERN(void) jinit_2pass_quantizer JPP((j_decompress_ptr cinfo)); -EXTERN(void) jinit_merged_upsampler JPP((j_decompress_ptr cinfo)); -/* Memory manager initialization */ -EXTERN(void) jinit_memory_mgr JPP((j_common_ptr cinfo)); - -/* Utility routines in jutils.c */ -EXTERN(long) jdiv_round_up JPP((long a, long b)); -EXTERN(size_t) jround_up JPP((size_t a, size_t b)); -EXTERN(void) jcopy_sample_rows JPP((JSAMPARRAY input_array, int source_row, - JSAMPARRAY output_array, int dest_row, - int num_rows, JDIMENSION num_cols)); -EXTERN(void) jcopy_block_row JPP((JBLOCKROW input_row, JBLOCKROW output_row, - JDIMENSION num_blocks)); -EXTERN(void) jzero_far JPP((void FAR * target, size_t bytestozero)); -/* Constant tables in jutils.c */ -#if 0 /* This table is not actually needed in v6a */ -extern const int jpeg_zigzag_order[]; /* natural coef order to zigzag order */ -#endif -extern const int jpeg_natural_order[]; /* zigzag coef order to natural order */ - -/* Suppress undefined-structure complaints if necessary. */ - -#ifdef INCOMPLETE_TYPES_BROKEN -#ifndef AM_MEMORY_MANAGER /* only jmemmgr.c defines these */ -struct jvirt_sarray_control { long dummy; }; -struct jvirt_barray_control { long dummy; }; -#endif -#endif /* INCOMPLETE_TYPES_BROKEN */ diff --git a/common/jpeg/jpeglib.h b/common/jpeg/jpeglib.h deleted file mode 100644 index 7cc8039b..00000000 --- a/common/jpeg/jpeglib.h +++ /dev/null @@ -1,1114 +0,0 @@ -/* - * jpeglib.h - * - * Copyright (C) 1991-1998, Thomas G. Lane. - * Copyright (C) 2009, D. R. Commander. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file defines the application interface for the JPEG library. - * Most applications using the library need only include this file, - * and perhaps jerror.h if they want to know the exact error codes. - */ - -#ifndef JPEGLIB_H -#define JPEGLIB_H - -#ifdef __cplusplus -extern "C" { -#endif - -/* - * First we include the configuration files that record how this - * installation of the JPEG library is set up. jconfig.h can be - * generated automatically for many systems. jmorecfg.h contains - * manual configuration options that most people need not worry about. - */ - -#ifndef JCONFIG_INCLUDED /* in case jinclude.h already did */ -#include "jconfig.h" /* widely used configuration options */ -#endif -#include "jmorecfg.h" /* seldom changed options */ - - -/* Version ID for the JPEG library. - * Might be useful for tests like "#if JPEG_LIB_VERSION >= 60". - */ - -#define JPEG_LIB_VERSION 62 /* Version 6b */ - - -/* Various constants determining the sizes of things. - * All of these are specified by the JPEG standard, so don't change them - * if you want to be compatible. - */ - -#define DCTSIZE 8 /* The basic DCT block is 8x8 samples */ -#define DCTSIZE2 64 /* DCTSIZE squared; # of elements in a block */ -#define NUM_QUANT_TBLS 4 /* Quantization tables are numbered 0..3 */ -#define NUM_HUFF_TBLS 4 /* Huffman tables are numbered 0..3 */ -#define NUM_ARITH_TBLS 16 /* Arith-coding tables are numbered 0..15 */ -#define MAX_COMPS_IN_SCAN 4 /* JPEG limit on # of components in one scan */ -#define MAX_SAMP_FACTOR 4 /* JPEG limit on sampling factors */ -/* Unfortunately, some bozo at Adobe saw no reason to be bound by the standard; - * the PostScript DCT filter can emit files with many more than 10 blocks/MCU. - * If you happen to run across such a file, you can up D_MAX_BLOCKS_IN_MCU - * to handle it. We even let you do this from the jconfig.h file. However, - * we strongly discourage changing C_MAX_BLOCKS_IN_MCU; just because Adobe - * sometimes emits noncompliant files doesn't mean you should too. - */ -#define C_MAX_BLOCKS_IN_MCU 10 /* compressor's limit on blocks per MCU */ -#ifndef D_MAX_BLOCKS_IN_MCU -#define D_MAX_BLOCKS_IN_MCU 10 /* decompressor's limit on blocks per MCU */ -#endif - - -/* Data structures for images (arrays of samples and of DCT coefficients). - * On 80x86 machines, the image arrays are too big for near pointers, - * but the pointer arrays can fit in near memory. - */ - -typedef JSAMPLE FAR *JSAMPROW; /* ptr to one image row of pixel samples. */ -typedef JSAMPROW *JSAMPARRAY; /* ptr to some rows (a 2-D sample array) */ -typedef JSAMPARRAY *JSAMPIMAGE; /* a 3-D sample array: top index is color */ - -typedef JCOEF JBLOCK[DCTSIZE2]; /* one block of coefficients */ -typedef JBLOCK FAR *JBLOCKROW; /* pointer to one row of coefficient blocks */ -typedef JBLOCKROW *JBLOCKARRAY; /* a 2-D array of coefficient blocks */ -typedef JBLOCKARRAY *JBLOCKIMAGE; /* a 3-D array of coefficient blocks */ - -typedef JCOEF FAR *JCOEFPTR; /* useful in a couple of places */ - - -/* Types for JPEG compression parameters and working tables. */ - - -/* DCT coefficient quantization tables. */ - -typedef struct { - /* This array gives the coefficient quantizers in natural array order - * (not the zigzag order in which they are stored in a JPEG DQT marker). - * CAUTION: IJG versions prior to v6a kept this array in zigzag order. - */ - UINT16 quantval[DCTSIZE2]; /* quantization step for each coefficient */ - /* This field is used only during compression. It's initialized FALSE when - * the table is created, and set TRUE when it's been output to the file. - * You could suppress output of a table by setting this to TRUE. - * (See jpeg_suppress_tables for an example.) - */ - boolean sent_table; /* TRUE when table has been output */ -} JQUANT_TBL; - - -/* Huffman coding tables. */ - -typedef struct { - /* These two fields directly represent the contents of a JPEG DHT marker */ - UINT8 bits[17]; /* bits[k] = # of symbols with codes of */ - /* length k bits; bits[0] is unused */ - UINT8 huffval[256]; /* The symbols, in order of incr code length */ - /* This field is used only during compression. It's initialized FALSE when - * the table is created, and set TRUE when it's been output to the file. - * You could suppress output of a table by setting this to TRUE. - * (See jpeg_suppress_tables for an example.) - */ - boolean sent_table; /* TRUE when table has been output */ -} JHUFF_TBL; - - -/* Basic info about one component (color channel). */ - -typedef struct { - /* These values are fixed over the whole image. */ - /* For compression, they must be supplied by parameter setup; */ - /* for decompression, they are read from the SOF marker. */ - int component_id; /* identifier for this component (0..255) */ - int component_index; /* its index in SOF or cinfo->comp_info[] */ - int h_samp_factor; /* horizontal sampling factor (1..4) */ - int v_samp_factor; /* vertical sampling factor (1..4) */ - int quant_tbl_no; /* quantization table selector (0..3) */ - /* These values may vary between scans. */ - /* For compression, they must be supplied by parameter setup; */ - /* for decompression, they are read from the SOS marker. */ - /* The decompressor output side may not use these variables. */ - int dc_tbl_no; /* DC entropy table selector (0..3) */ - int ac_tbl_no; /* AC entropy table selector (0..3) */ - - /* Remaining fields should be treated as private by applications. */ - - /* These values are computed during compression or decompression startup: */ - /* Component's size in DCT blocks. - * Any dummy blocks added to complete an MCU are not counted; therefore - * these values do not depend on whether a scan is interleaved or not. - */ - JDIMENSION width_in_blocks; - JDIMENSION height_in_blocks; - /* Size of a DCT block in samples. Always DCTSIZE for compression. - * For decompression this is the size of the output from one DCT block, - * reflecting any scaling we choose to apply during the IDCT step. - * Values of 1,2,4,8 are likely to be supported. Note that different - * components may receive different IDCT scalings. - */ - int DCT_scaled_size; - /* The downsampled dimensions are the component's actual, unpadded number - * of samples at the main buffer (preprocessing/compression interface), thus - * downsampled_width = ceil(image_width * Hi/Hmax) - * and similarly for height. For decompression, IDCT scaling is included, so - * downsampled_width = ceil(image_width * Hi/Hmax * DCT_scaled_size/DCTSIZE) - */ - JDIMENSION downsampled_width; /* actual width in samples */ - JDIMENSION downsampled_height; /* actual height in samples */ - /* This flag is used only for decompression. In cases where some of the - * components will be ignored (eg grayscale output from YCbCr image), - * we can skip most computations for the unused components. - */ - boolean component_needed; /* do we need the value of this component? */ - - /* These values are computed before starting a scan of the component. */ - /* The decompressor output side may not use these variables. */ - int MCU_width; /* number of blocks per MCU, horizontally */ - int MCU_height; /* number of blocks per MCU, vertically */ - int MCU_blocks; /* MCU_width * MCU_height */ - int MCU_sample_width; /* MCU width in samples, MCU_width*DCT_scaled_size */ - int last_col_width; /* # of non-dummy blocks across in last MCU */ - int last_row_height; /* # of non-dummy blocks down in last MCU */ - - /* Saved quantization table for component; NULL if none yet saved. - * See jdinput.c comments about the need for this information. - * This field is currently used only for decompression. - */ - JQUANT_TBL * quant_table; - - /* Private per-component storage for DCT or IDCT subsystem. */ - void * dct_table; -} jpeg_component_info; - - -/* The script for encoding a multiple-scan file is an array of these: */ - -typedef struct { - int comps_in_scan; /* number of components encoded in this scan */ - int component_index[MAX_COMPS_IN_SCAN]; /* their SOF/comp_info[] indexes */ - int Ss, Se; /* progressive JPEG spectral selection parms */ - int Ah, Al; /* progressive JPEG successive approx. parms */ -} jpeg_scan_info; - -/* The decompressor can save APPn and COM markers in a list of these: */ - -typedef struct jpeg_marker_struct FAR * jpeg_saved_marker_ptr; - -struct jpeg_marker_struct { - jpeg_saved_marker_ptr next; /* next in list, or NULL */ - UINT8 marker; /* marker code: JPEG_COM, or JPEG_APP0+n */ - unsigned int original_length; /* # bytes of data in the file */ - unsigned int data_length; /* # bytes of data saved at data[] */ - JOCTET FAR * data; /* the data contained in the marker */ - /* the marker length word is not counted in data_length or original_length */ -}; - -/* Known color spaces. */ - -#define JCS_EXTENSIONS 1 - -typedef enum { - JCS_UNKNOWN, /* error/unspecified */ - JCS_GRAYSCALE, /* monochrome */ - JCS_RGB, /* red/green/blue as specified by the RGB_RED, RGB_GREEN, - RGB_BLUE, and RGB_PIXELSIZE macros */ - JCS_YCbCr, /* Y/Cb/Cr (also known as YUV) */ - JCS_CMYK, /* C/M/Y/K */ - JCS_YCCK, /* Y/Cb/Cr/K */ - JCS_EXT_RGB, /* red/green/blue */ - JCS_EXT_RGBX, /* red/green/blue/x */ - JCS_EXT_BGR, /* blue/green/red */ - JCS_EXT_BGRX, /* blue/green/red/x */ - JCS_EXT_XBGR, /* x/blue/green/red */ - JCS_EXT_XRGB /* x/red/green/blue */ -} J_COLOR_SPACE; - -/* DCT/IDCT algorithm options. */ - -typedef enum { - JDCT_ISLOW, /* slow but accurate integer algorithm */ - JDCT_IFAST, /* faster, less accurate integer method */ - JDCT_FLOAT /* floating-point: accurate, fast on fast HW */ -} J_DCT_METHOD; - -#ifndef JDCT_DEFAULT /* may be overridden in jconfig.h */ -#define JDCT_DEFAULT JDCT_ISLOW -#endif -#ifndef JDCT_FASTEST /* may be overridden in jconfig.h */ -#define JDCT_FASTEST JDCT_IFAST -#endif - -/* Dithering options for decompression. */ - -typedef enum { - JDITHER_NONE, /* no dithering */ - JDITHER_ORDERED, /* simple ordered dither */ - JDITHER_FS /* Floyd-Steinberg error diffusion dither */ -} J_DITHER_MODE; - - -/* Common fields between JPEG compression and decompression master structs. */ - -#define jpeg_common_fields \ - struct jpeg_error_mgr * err; /* Error handler module */\ - struct jpeg_memory_mgr * mem; /* Memory manager module */\ - struct jpeg_progress_mgr * progress; /* Progress monitor, or NULL if none */\ - void * client_data; /* Available for use by application */\ - boolean is_decompressor; /* So common code can tell which is which */\ - int global_state /* For checking call sequence validity */ - -/* Routines that are to be used by both halves of the library are declared - * to receive a pointer to this structure. There are no actual instances of - * jpeg_common_struct, only of jpeg_compress_struct and jpeg_decompress_struct. - */ -struct jpeg_common_struct { - jpeg_common_fields; /* Fields common to both master struct types */ - /* Additional fields follow in an actual jpeg_compress_struct or - * jpeg_decompress_struct. All three structs must agree on these - * initial fields! (This would be a lot cleaner in C++.) - */ -}; - -typedef struct jpeg_common_struct * j_common_ptr; -typedef struct jpeg_compress_struct * j_compress_ptr; -typedef struct jpeg_decompress_struct * j_decompress_ptr; - - -/* Master record for a compression instance */ - -struct jpeg_compress_struct { - jpeg_common_fields; /* Fields shared with jpeg_decompress_struct */ - - /* Destination for compressed data */ - struct jpeg_destination_mgr * dest; - - /* Description of source image --- these fields must be filled in by - * outer application before starting compression. in_color_space must - * be correct before you can even call jpeg_set_defaults(). - */ - - JDIMENSION image_width; /* input image width */ - JDIMENSION image_height; /* input image height */ - int input_components; /* # of color components in input image */ - J_COLOR_SPACE in_color_space; /* colorspace of input image */ - - double input_gamma; /* image gamma of input image */ - - /* Compression parameters --- these fields must be set before calling - * jpeg_start_compress(). We recommend calling jpeg_set_defaults() to - * initialize everything to reasonable defaults, then changing anything - * the application specifically wants to change. That way you won't get - * burnt when new parameters are added. Also note that there are several - * helper routines to simplify changing parameters. - */ - - int data_precision; /* bits of precision in image data */ - - int num_components; /* # of color components in JPEG image */ - J_COLOR_SPACE jpeg_color_space; /* colorspace of JPEG image */ - - jpeg_component_info * comp_info; - /* comp_info[i] describes component that appears i'th in SOF */ - - JQUANT_TBL * quant_tbl_ptrs[NUM_QUANT_TBLS]; - /* ptrs to coefficient quantization tables, or NULL if not defined */ - - JHUFF_TBL * dc_huff_tbl_ptrs[NUM_HUFF_TBLS]; - JHUFF_TBL * ac_huff_tbl_ptrs[NUM_HUFF_TBLS]; - /* ptrs to Huffman coding tables, or NULL if not defined */ - - UINT8 arith_dc_L[NUM_ARITH_TBLS]; /* L values for DC arith-coding tables */ - UINT8 arith_dc_U[NUM_ARITH_TBLS]; /* U values for DC arith-coding tables */ - UINT8 arith_ac_K[NUM_ARITH_TBLS]; /* Kx values for AC arith-coding tables */ - - int num_scans; /* # of entries in scan_info array */ - const jpeg_scan_info * scan_info; /* script for multi-scan file, or NULL */ - /* The default value of scan_info is NULL, which causes a single-scan - * sequential JPEG file to be emitted. To create a multi-scan file, - * set num_scans and scan_info to point to an array of scan definitions. - */ - - boolean raw_data_in; /* TRUE=caller supplies downsampled data */ - boolean arith_code; /* TRUE=arithmetic coding, FALSE=Huffman */ - boolean optimize_coding; /* TRUE=optimize entropy encoding parms */ - boolean CCIR601_sampling; /* TRUE=first samples are cosited */ - int smoothing_factor; /* 1..100, or 0 for no input smoothing */ - J_DCT_METHOD dct_method; /* DCT algorithm selector */ - - /* The restart interval can be specified in absolute MCUs by setting - * restart_interval, or in MCU rows by setting restart_in_rows - * (in which case the correct restart_interval will be figured - * for each scan). - */ - unsigned int restart_interval; /* MCUs per restart, or 0 for no restart */ - int restart_in_rows; /* if > 0, MCU rows per restart interval */ - - /* Parameters controlling emission of special markers. */ - - boolean write_JFIF_header; /* should a JFIF marker be written? */ - UINT8 JFIF_major_version; /* What to write for the JFIF version number */ - UINT8 JFIF_minor_version; - /* These three values are not used by the JPEG code, merely copied */ - /* into the JFIF APP0 marker. density_unit can be 0 for unknown, */ - /* 1 for dots/inch, or 2 for dots/cm. Note that the pixel aspect */ - /* ratio is defined by X_density/Y_density even when density_unit=0. */ - UINT8 density_unit; /* JFIF code for pixel size units */ - UINT16 X_density; /* Horizontal pixel density */ - UINT16 Y_density; /* Vertical pixel density */ - boolean write_Adobe_marker; /* should an Adobe marker be written? */ - - /* State variable: index of next scanline to be written to - * jpeg_write_scanlines(). Application may use this to control its - * processing loop, e.g., "while (next_scanline < image_height)". - */ - - JDIMENSION next_scanline; /* 0 .. image_height-1 */ - - /* Remaining fields are known throughout compressor, but generally - * should not be touched by a surrounding application. - */ - - /* - * These fields are computed during compression startup - */ - boolean progressive_mode; /* TRUE if scan script uses progressive mode */ - int max_h_samp_factor; /* largest h_samp_factor */ - int max_v_samp_factor; /* largest v_samp_factor */ - - JDIMENSION total_iMCU_rows; /* # of iMCU rows to be input to coef ctlr */ - /* The coefficient controller receives data in units of MCU rows as defined - * for fully interleaved scans (whether the JPEG file is interleaved or not). - * There are v_samp_factor * DCTSIZE sample rows of each component in an - * "iMCU" (interleaved MCU) row. - */ - - /* - * These fields are valid during any one scan. - * They describe the components and MCUs actually appearing in the scan. - */ - int comps_in_scan; /* # of JPEG components in this scan */ - jpeg_component_info * cur_comp_info[MAX_COMPS_IN_SCAN]; - /* *cur_comp_info[i] describes component that appears i'th in SOS */ - - JDIMENSION MCUs_per_row; /* # of MCUs across the image */ - JDIMENSION MCU_rows_in_scan; /* # of MCU rows in the image */ - - int blocks_in_MCU; /* # of DCT blocks per MCU */ - int MCU_membership[C_MAX_BLOCKS_IN_MCU]; - /* MCU_membership[i] is index in cur_comp_info of component owning */ - /* i'th block in an MCU */ - - int Ss, Se, Ah, Al; /* progressive JPEG parameters for scan */ - - /* - * Links to compression subobjects (methods and private variables of modules) - */ - struct jpeg_comp_master * master; - struct jpeg_c_main_controller * main; - struct jpeg_c_prep_controller * prep; - struct jpeg_c_coef_controller * coef; - struct jpeg_marker_writer * marker; - struct jpeg_color_converter * cconvert; - struct jpeg_downsampler * downsample; - struct jpeg_forward_dct * fdct; - struct jpeg_entropy_encoder * entropy; - jpeg_scan_info * script_space; /* workspace for jpeg_simple_progression */ - int script_space_size; -}; - - -/* Master record for a decompression instance */ - -struct jpeg_decompress_struct { - jpeg_common_fields; /* Fields shared with jpeg_compress_struct */ - - /* Source of compressed data */ - struct jpeg_source_mgr * src; - - /* Basic description of image --- filled in by jpeg_read_header(). */ - /* Application may inspect these values to decide how to process image. */ - - JDIMENSION image_width; /* nominal image width (from SOF marker) */ - JDIMENSION image_height; /* nominal image height */ - int num_components; /* # of color components in JPEG image */ - J_COLOR_SPACE jpeg_color_space; /* colorspace of JPEG image */ - - /* Decompression processing parameters --- these fields must be set before - * calling jpeg_start_decompress(). Note that jpeg_read_header() initializes - * them to default values. - */ - - J_COLOR_SPACE out_color_space; /* colorspace for output */ - - unsigned int scale_num, scale_denom; /* fraction by which to scale image */ - - double output_gamma; /* image gamma wanted in output */ - - boolean buffered_image; /* TRUE=multiple output passes */ - boolean raw_data_out; /* TRUE=downsampled data wanted */ - - J_DCT_METHOD dct_method; /* IDCT algorithm selector */ - boolean do_fancy_upsampling; /* TRUE=apply fancy upsampling */ - boolean do_block_smoothing; /* TRUE=apply interblock smoothing */ - - boolean quantize_colors; /* TRUE=colormapped output wanted */ - /* the following are ignored if not quantize_colors: */ - J_DITHER_MODE dither_mode; /* type of color dithering to use */ - boolean two_pass_quantize; /* TRUE=use two-pass color quantization */ - int desired_number_of_colors; /* max # colors to use in created colormap */ - /* these are significant only in buffered-image mode: */ - boolean enable_1pass_quant; /* enable future use of 1-pass quantizer */ - boolean enable_external_quant;/* enable future use of external colormap */ - boolean enable_2pass_quant; /* enable future use of 2-pass quantizer */ - - /* Description of actual output image that will be returned to application. - * These fields are computed by jpeg_start_decompress(). - * You can also use jpeg_calc_output_dimensions() to determine these values - * in advance of calling jpeg_start_decompress(). - */ - - JDIMENSION output_width; /* scaled image width */ - JDIMENSION output_height; /* scaled image height */ - int out_color_components; /* # of color components in out_color_space */ - int output_components; /* # of color components returned */ - /* output_components is 1 (a colormap index) when quantizing colors; - * otherwise it equals out_color_components. - */ - int rec_outbuf_height; /* min recommended height of scanline buffer */ - /* If the buffer passed to jpeg_read_scanlines() is less than this many rows - * high, space and time will be wasted due to unnecessary data copying. - * Usually rec_outbuf_height will be 1 or 2, at most 4. - */ - - /* When quantizing colors, the output colormap is described by these fields. - * The application can supply a colormap by setting colormap non-NULL before - * calling jpeg_start_decompress; otherwise a colormap is created during - * jpeg_start_decompress or jpeg_start_output. - * The map has out_color_components rows and actual_number_of_colors columns. - */ - int actual_number_of_colors; /* number of entries in use */ - JSAMPARRAY colormap; /* The color map as a 2-D pixel array */ - - /* State variables: these variables indicate the progress of decompression. - * The application may examine these but must not modify them. - */ - - /* Row index of next scanline to be read from jpeg_read_scanlines(). - * Application may use this to control its processing loop, e.g., - * "while (output_scanline < output_height)". - */ - JDIMENSION output_scanline; /* 0 .. output_height-1 */ - - /* Current input scan number and number of iMCU rows completed in scan. - * These indicate the progress of the decompressor input side. - */ - int input_scan_number; /* Number of SOS markers seen so far */ - JDIMENSION input_iMCU_row; /* Number of iMCU rows completed */ - - /* The "output scan number" is the notional scan being displayed by the - * output side. The decompressor will not allow output scan/row number - * to get ahead of input scan/row, but it can fall arbitrarily far behind. - */ - int output_scan_number; /* Nominal scan number being displayed */ - JDIMENSION output_iMCU_row; /* Number of iMCU rows read */ - - /* Current progression status. coef_bits[c][i] indicates the precision - * with which component c's DCT coefficient i (in zigzag order) is known. - * It is -1 when no data has yet been received, otherwise it is the point - * transform (shift) value for the most recent scan of the coefficient - * (thus, 0 at completion of the progression). - * This pointer is NULL when reading a non-progressive file. - */ - int (*coef_bits)[DCTSIZE2]; /* -1 or current Al value for each coef */ - - /* Internal JPEG parameters --- the application usually need not look at - * these fields. Note that the decompressor output side may not use - * any parameters that can change between scans. - */ - - /* Quantization and Huffman tables are carried forward across input - * datastreams when processing abbreviated JPEG datastreams. - */ - - JQUANT_TBL * quant_tbl_ptrs[NUM_QUANT_TBLS]; - /* ptrs to coefficient quantization tables, or NULL if not defined */ - - JHUFF_TBL * dc_huff_tbl_ptrs[NUM_HUFF_TBLS]; - JHUFF_TBL * ac_huff_tbl_ptrs[NUM_HUFF_TBLS]; - /* ptrs to Huffman coding tables, or NULL if not defined */ - - /* These parameters are never carried across datastreams, since they - * are given in SOF/SOS markers or defined to be reset by SOI. - */ - - int data_precision; /* bits of precision in image data */ - - jpeg_component_info * comp_info; - /* comp_info[i] describes component that appears i'th in SOF */ - - boolean progressive_mode; /* TRUE if SOFn specifies progressive mode */ - boolean arith_code; /* TRUE=arithmetic coding, FALSE=Huffman */ - - UINT8 arith_dc_L[NUM_ARITH_TBLS]; /* L values for DC arith-coding tables */ - UINT8 arith_dc_U[NUM_ARITH_TBLS]; /* U values for DC arith-coding tables */ - UINT8 arith_ac_K[NUM_ARITH_TBLS]; /* Kx values for AC arith-coding tables */ - - unsigned int restart_interval; /* MCUs per restart interval, or 0 for no restart */ - - /* These fields record data obtained from optional markers recognized by - * the JPEG library. - */ - boolean saw_JFIF_marker; /* TRUE iff a JFIF APP0 marker was found */ - /* Data copied from JFIF marker; only valid if saw_JFIF_marker is TRUE: */ - UINT8 JFIF_major_version; /* JFIF version number */ - UINT8 JFIF_minor_version; - UINT8 density_unit; /* JFIF code for pixel size units */ - UINT16 X_density; /* Horizontal pixel density */ - UINT16 Y_density; /* Vertical pixel density */ - boolean saw_Adobe_marker; /* TRUE iff an Adobe APP14 marker was found */ - UINT8 Adobe_transform; /* Color transform code from Adobe marker */ - - boolean CCIR601_sampling; /* TRUE=first samples are cosited */ - - /* Aside from the specific data retained from APPn markers known to the - * library, the uninterpreted contents of any or all APPn and COM markers - * can be saved in a list for examination by the application. - */ - jpeg_saved_marker_ptr marker_list; /* Head of list of saved markers */ - - /* Remaining fields are known throughout decompressor, but generally - * should not be touched by a surrounding application. - */ - - /* - * These fields are computed during decompression startup - */ - int max_h_samp_factor; /* largest h_samp_factor */ - int max_v_samp_factor; /* largest v_samp_factor */ - - int min_DCT_scaled_size; /* smallest DCT_scaled_size of any component */ - - JDIMENSION total_iMCU_rows; /* # of iMCU rows in image */ - /* The coefficient controller's input and output progress is measured in - * units of "iMCU" (interleaved MCU) rows. These are the same as MCU rows - * in fully interleaved JPEG scans, but are used whether the scan is - * interleaved or not. We define an iMCU row as v_samp_factor DCT block - * rows of each component. Therefore, the IDCT output contains - * v_samp_factor*DCT_scaled_size sample rows of a component per iMCU row. - */ - - JSAMPLE * sample_range_limit; /* table for fast range-limiting */ - - /* - * These fields are valid during any one scan. - * They describe the components and MCUs actually appearing in the scan. - * Note that the decompressor output side must not use these fields. - */ - int comps_in_scan; /* # of JPEG components in this scan */ - jpeg_component_info * cur_comp_info[MAX_COMPS_IN_SCAN]; - /* *cur_comp_info[i] describes component that appears i'th in SOS */ - - JDIMENSION MCUs_per_row; /* # of MCUs across the image */ - JDIMENSION MCU_rows_in_scan; /* # of MCU rows in the image */ - - int blocks_in_MCU; /* # of DCT blocks per MCU */ - int MCU_membership[D_MAX_BLOCKS_IN_MCU]; - /* MCU_membership[i] is index in cur_comp_info of component owning */ - /* i'th block in an MCU */ - - int Ss, Se, Ah, Al; /* progressive JPEG parameters for scan */ - - /* This field is shared between entropy decoder and marker parser. - * It is either zero or the code of a JPEG marker that has been - * read from the data source, but has not yet been processed. - */ - int unread_marker; - - /* - * Links to decompression subobjects (methods, private variables of modules) - */ - struct jpeg_decomp_master * master; - struct jpeg_d_main_controller * main; - struct jpeg_d_coef_controller * coef; - struct jpeg_d_post_controller * post; - struct jpeg_input_controller * inputctl; - struct jpeg_marker_reader * marker; - struct jpeg_entropy_decoder * entropy; - struct jpeg_inverse_dct * idct; - struct jpeg_upsampler * upsample; - struct jpeg_color_deconverter * cconvert; - struct jpeg_color_quantizer * cquantize; -}; - - -/* "Object" declarations for JPEG modules that may be supplied or called - * directly by the surrounding application. - * As with all objects in the JPEG library, these structs only define the - * publicly visible methods and state variables of a module. Additional - * private fields may exist after the public ones. - */ - - -/* Error handler object */ - -struct jpeg_error_mgr { - /* Error exit handler: does not return to caller */ - JMETHOD(void, error_exit, (j_common_ptr cinfo)); - /* Conditionally emit a trace or warning message */ - JMETHOD(void, emit_message, (j_common_ptr cinfo, int msg_level)); - /* Routine that actually outputs a trace or error message */ - JMETHOD(void, output_message, (j_common_ptr cinfo)); - /* Format a message string for the most recent JPEG error or message */ - JMETHOD(void, format_message, (j_common_ptr cinfo, char * buffer)); -#define JMSG_LENGTH_MAX 200 /* recommended size of format_message buffer */ - /* Reset error state variables at start of a new image */ - JMETHOD(void, reset_error_mgr, (j_common_ptr cinfo)); - - /* The message ID code and any parameters are saved here. - * A message can have one string parameter or up to 8 int parameters. - */ - int msg_code; -#define JMSG_STR_PARM_MAX 80 - union { - int i[8]; - char s[JMSG_STR_PARM_MAX]; - } msg_parm; - - /* Standard state variables for error facility */ - - int trace_level; /* max msg_level that will be displayed */ - - /* For recoverable corrupt-data errors, we emit a warning message, - * but keep going unless emit_message chooses to abort. emit_message - * should count warnings in num_warnings. The surrounding application - * can check for bad data by seeing if num_warnings is nonzero at the - * end of processing. - */ - long num_warnings; /* number of corrupt-data warnings */ - - /* These fields point to the table(s) of error message strings. - * An application can change the table pointer to switch to a different - * message list (typically, to change the language in which errors are - * reported). Some applications may wish to add additional error codes - * that will be handled by the JPEG library error mechanism; the second - * table pointer is used for this purpose. - * - * First table includes all errors generated by JPEG library itself. - * Error code 0 is reserved for a "no such error string" message. - */ - const char * const * jpeg_message_table; /* Library errors */ - int last_jpeg_message; /* Table contains strings 0..last_jpeg_message */ - /* Second table can be added by application (see cjpeg/djpeg for example). - * It contains strings numbered first_addon_message..last_addon_message. - */ - const char * const * addon_message_table; /* Non-library errors */ - int first_addon_message; /* code for first string in addon table */ - int last_addon_message; /* code for last string in addon table */ -}; - - -/* Progress monitor object */ - -struct jpeg_progress_mgr { - JMETHOD(void, progress_monitor, (j_common_ptr cinfo)); - - long pass_counter; /* work units completed in this pass */ - long pass_limit; /* total number of work units in this pass */ - int completed_passes; /* passes completed so far */ - int total_passes; /* total number of passes expected */ -}; - - -/* Data destination object for compression */ - -struct jpeg_destination_mgr { - JOCTET * next_output_byte; /* => next byte to write in buffer */ - size_t free_in_buffer; /* # of byte spaces remaining in buffer */ - - JMETHOD(void, init_destination, (j_compress_ptr cinfo)); - JMETHOD(boolean, empty_output_buffer, (j_compress_ptr cinfo)); - JMETHOD(void, term_destination, (j_compress_ptr cinfo)); -}; - - -/* Data source object for decompression */ - -struct jpeg_source_mgr { - const JOCTET * next_input_byte; /* => next byte to read from buffer */ - size_t bytes_in_buffer; /* # of bytes remaining in buffer */ - - JMETHOD(void, init_source, (j_decompress_ptr cinfo)); - JMETHOD(boolean, fill_input_buffer, (j_decompress_ptr cinfo)); - JMETHOD(void, skip_input_data, (j_decompress_ptr cinfo, long num_bytes)); - JMETHOD(boolean, resync_to_restart, (j_decompress_ptr cinfo, int desired)); - JMETHOD(void, term_source, (j_decompress_ptr cinfo)); -}; - - -/* Memory manager object. - * Allocates "small" objects (a few K total), "large" objects (tens of K), - * and "really big" objects (virtual arrays with backing store if needed). - * The memory manager does not allow individual objects to be freed; rather, - * each created object is assigned to a pool, and whole pools can be freed - * at once. This is faster and more convenient than remembering exactly what - * to free, especially where malloc()/free() are not too speedy. - * NB: alloc routines never return NULL. They exit to error_exit if not - * successful. - */ - -#define JPOOL_PERMANENT 0 /* lasts until master record is destroyed */ -#define JPOOL_IMAGE 1 /* lasts until done with image/datastream */ -#define JPOOL_NUMPOOLS 2 - -typedef struct jvirt_sarray_control * jvirt_sarray_ptr; -typedef struct jvirt_barray_control * jvirt_barray_ptr; - - -struct jpeg_memory_mgr { - /* Method pointers */ - JMETHOD(void *, alloc_small, (j_common_ptr cinfo, int pool_id, - size_t sizeofobject)); - JMETHOD(void FAR *, alloc_large, (j_common_ptr cinfo, int pool_id, - size_t sizeofobject)); - JMETHOD(JSAMPARRAY, alloc_sarray, (j_common_ptr cinfo, int pool_id, - JDIMENSION samplesperrow, - JDIMENSION numrows)); - JMETHOD(JBLOCKARRAY, alloc_barray, (j_common_ptr cinfo, int pool_id, - JDIMENSION blocksperrow, - JDIMENSION numrows)); - JMETHOD(jvirt_sarray_ptr, request_virt_sarray, (j_common_ptr cinfo, - int pool_id, - boolean pre_zero, - JDIMENSION samplesperrow, - JDIMENSION numrows, - JDIMENSION maxaccess)); - JMETHOD(jvirt_barray_ptr, request_virt_barray, (j_common_ptr cinfo, - int pool_id, - boolean pre_zero, - JDIMENSION blocksperrow, - JDIMENSION numrows, - JDIMENSION maxaccess)); - JMETHOD(void, realize_virt_arrays, (j_common_ptr cinfo)); - JMETHOD(JSAMPARRAY, access_virt_sarray, (j_common_ptr cinfo, - jvirt_sarray_ptr ptr, - JDIMENSION start_row, - JDIMENSION num_rows, - boolean writable)); - JMETHOD(JBLOCKARRAY, access_virt_barray, (j_common_ptr cinfo, - jvirt_barray_ptr ptr, - JDIMENSION start_row, - JDIMENSION num_rows, - boolean writable)); - JMETHOD(void, free_pool, (j_common_ptr cinfo, int pool_id)); - JMETHOD(void, self_destruct, (j_common_ptr cinfo)); - - /* Limit on memory allocation for this JPEG object. (Note that this is - * merely advisory, not a guaranteed maximum; it only affects the space - * used for virtual-array buffers.) May be changed by outer application - * after creating the JPEG object. - */ - long max_memory_to_use; - - /* Maximum allocation request accepted by alloc_large. */ - long max_alloc_chunk; -}; - - -/* Routine signature for application-supplied marker processing methods. - * Need not pass marker code since it is stored in cinfo->unread_marker. - */ -typedef JMETHOD(boolean, jpeg_marker_parser_method, (j_decompress_ptr cinfo)); - - -/* Declarations for routines called by application. - * The JPP macro hides prototype parameters from compilers that can't cope. - * Note JPP requires double parentheses. - */ - -#ifdef HAVE_PROTOTYPES -#define JPP(arglist) arglist -#else -#define JPP(arglist) () -#endif - - -/* Short forms of external names for systems with brain-damaged linkers. - * We shorten external names to be unique in the first six letters, which - * is good enough for all known systems. - * (If your compiler itself needs names to be unique in less than 15 - * characters, you are out of luck. Get a better compiler.) - */ - -#ifdef NEED_SHORT_EXTERNAL_NAMES -#define jpeg_std_error jStdError -#define jpeg_CreateCompress jCreaCompress -#define jpeg_CreateDecompress jCreaDecompress -#define jpeg_destroy_compress jDestCompress -#define jpeg_destroy_decompress jDestDecompress -#define jpeg_stdio_dest jStdDest -#define jpeg_stdio_src jStdSrc -#define jpeg_set_defaults jSetDefaults -#define jpeg_set_colorspace jSetColorspace -#define jpeg_default_colorspace jDefColorspace -#define jpeg_set_quality jSetQuality -#define jpeg_set_linear_quality jSetLQuality -#define jpeg_add_quant_table jAddQuantTable -#define jpeg_quality_scaling jQualityScaling -#define jpeg_simple_progression jSimProgress -#define jpeg_suppress_tables jSuppressTables -#define jpeg_alloc_quant_table jAlcQTable -#define jpeg_alloc_huff_table jAlcHTable -#define jpeg_start_compress jStrtCompress -#define jpeg_write_scanlines jWrtScanlines -#define jpeg_finish_compress jFinCompress -#define jpeg_write_raw_data jWrtRawData -#define jpeg_write_marker jWrtMarker -#define jpeg_write_m_header jWrtMHeader -#define jpeg_write_m_byte jWrtMByte -#define jpeg_write_tables jWrtTables -#define jpeg_read_header jReadHeader -#define jpeg_start_decompress jStrtDecompress -#define jpeg_read_scanlines jReadScanlines -#define jpeg_finish_decompress jFinDecompress -#define jpeg_read_raw_data jReadRawData -#define jpeg_has_multiple_scans jHasMultScn -#define jpeg_start_output jStrtOutput -#define jpeg_finish_output jFinOutput -#define jpeg_input_complete jInComplete -#define jpeg_new_colormap jNewCMap -#define jpeg_consume_input jConsumeInput -#define jpeg_calc_output_dimensions jCalcDimensions -#define jpeg_save_markers jSaveMarkers -#define jpeg_set_marker_processor jSetMarker -#define jpeg_read_coefficients jReadCoefs -#define jpeg_write_coefficients jWrtCoefs -#define jpeg_copy_critical_parameters jCopyCrit -#define jpeg_abort_compress jAbrtCompress -#define jpeg_abort_decompress jAbrtDecompress -#define jpeg_abort jAbort -#define jpeg_destroy jDestroy -#define jpeg_resync_to_restart jResyncRestart -#endif /* NEED_SHORT_EXTERNAL_NAMES */ - - -/* Default error-management setup */ -EXTERN(struct jpeg_error_mgr *) jpeg_std_error - JPP((struct jpeg_error_mgr * err)); - -/* Initialization of JPEG compression objects. - * jpeg_create_compress() and jpeg_create_decompress() are the exported - * names that applications should call. These expand to calls on - * jpeg_CreateCompress and jpeg_CreateDecompress with additional information - * passed for version mismatch checking. - * NB: you must set up the error-manager BEFORE calling jpeg_create_xxx. - */ -#define jpeg_create_compress(cinfo) \ - jpeg_CreateCompress((cinfo), JPEG_LIB_VERSION, \ - (size_t) sizeof(struct jpeg_compress_struct)) -#define jpeg_create_decompress(cinfo) \ - jpeg_CreateDecompress((cinfo), JPEG_LIB_VERSION, \ - (size_t) sizeof(struct jpeg_decompress_struct)) -EXTERN(void) jpeg_CreateCompress JPP((j_compress_ptr cinfo, - int version, size_t structsize)); -EXTERN(void) jpeg_CreateDecompress JPP((j_decompress_ptr cinfo, - int version, size_t structsize)); -/* Destruction of JPEG compression objects */ -EXTERN(void) jpeg_destroy_compress JPP((j_compress_ptr cinfo)); -EXTERN(void) jpeg_destroy_decompress JPP((j_decompress_ptr cinfo)); - -/* Standard data source and destination managers: stdio streams. */ -/* Caller is responsible for opening the file before and closing after. */ -EXTERN(void) jpeg_stdio_dest JPP((j_compress_ptr cinfo, FILE * outfile)); -EXTERN(void) jpeg_stdio_src JPP((j_decompress_ptr cinfo, FILE * infile)); - -/* Default parameter setup for compression */ -EXTERN(void) jpeg_set_defaults JPP((j_compress_ptr cinfo)); -/* Compression parameter setup aids */ -EXTERN(void) jpeg_set_colorspace JPP((j_compress_ptr cinfo, - J_COLOR_SPACE colorspace)); -EXTERN(void) jpeg_default_colorspace JPP((j_compress_ptr cinfo)); -EXTERN(void) jpeg_set_quality JPP((j_compress_ptr cinfo, int quality, - boolean force_baseline)); -EXTERN(void) jpeg_set_linear_quality JPP((j_compress_ptr cinfo, - int scale_factor, - boolean force_baseline)); -EXTERN(void) jpeg_add_quant_table JPP((j_compress_ptr cinfo, int which_tbl, - const unsigned int *basic_table, - int scale_factor, - boolean force_baseline)); -EXTERN(int) jpeg_quality_scaling JPP((int quality)); -EXTERN(void) jpeg_simple_progression JPP((j_compress_ptr cinfo)); -EXTERN(void) jpeg_suppress_tables JPP((j_compress_ptr cinfo, - boolean suppress)); -EXTERN(JQUANT_TBL *) jpeg_alloc_quant_table JPP((j_common_ptr cinfo)); -EXTERN(JHUFF_TBL *) jpeg_alloc_huff_table JPP((j_common_ptr cinfo)); - -/* Main entry points for compression */ -EXTERN(void) jpeg_start_compress JPP((j_compress_ptr cinfo, - boolean write_all_tables)); -EXTERN(JDIMENSION) jpeg_write_scanlines JPP((j_compress_ptr cinfo, - JSAMPARRAY scanlines, - JDIMENSION num_lines)); -EXTERN(void) jpeg_finish_compress JPP((j_compress_ptr cinfo)); - -/* Replaces jpeg_write_scanlines when writing raw downsampled data. */ -EXTERN(JDIMENSION) jpeg_write_raw_data JPP((j_compress_ptr cinfo, - JSAMPIMAGE data, - JDIMENSION num_lines)); - -/* Write a special marker. See libjpeg.doc concerning safe usage. */ -EXTERN(void) jpeg_write_marker - JPP((j_compress_ptr cinfo, int marker, - const JOCTET * dataptr, unsigned int datalen)); -/* Same, but piecemeal. */ -EXTERN(void) jpeg_write_m_header - JPP((j_compress_ptr cinfo, int marker, unsigned int datalen)); -EXTERN(void) jpeg_write_m_byte - JPP((j_compress_ptr cinfo, int val)); - -/* Alternate compression function: just write an abbreviated table file */ -EXTERN(void) jpeg_write_tables JPP((j_compress_ptr cinfo)); - -/* Decompression startup: read start of JPEG datastream to see what's there */ -EXTERN(int) jpeg_read_header JPP((j_decompress_ptr cinfo, - boolean require_image)); -/* Return value is one of: */ -#define JPEG_SUSPENDED 0 /* Suspended due to lack of input data */ -#define JPEG_HEADER_OK 1 /* Found valid image datastream */ -#define JPEG_HEADER_TABLES_ONLY 2 /* Found valid table-specs-only datastream */ -/* If you pass require_image = TRUE (normal case), you need not check for - * a TABLES_ONLY return code; an abbreviated file will cause an error exit. - * JPEG_SUSPENDED is only possible if you use a data source module that can - * give a suspension return (the stdio source module doesn't). - */ - -/* Main entry points for decompression */ -EXTERN(boolean) jpeg_start_decompress JPP((j_decompress_ptr cinfo)); -EXTERN(JDIMENSION) jpeg_read_scanlines JPP((j_decompress_ptr cinfo, - JSAMPARRAY scanlines, - JDIMENSION max_lines)); -EXTERN(boolean) jpeg_finish_decompress JPP((j_decompress_ptr cinfo)); - -/* Replaces jpeg_read_scanlines when reading raw downsampled data. */ -EXTERN(JDIMENSION) jpeg_read_raw_data JPP((j_decompress_ptr cinfo, - JSAMPIMAGE data, - JDIMENSION max_lines)); - -/* Additional entry points for buffered-image mode. */ -EXTERN(boolean) jpeg_has_multiple_scans JPP((j_decompress_ptr cinfo)); -EXTERN(boolean) jpeg_start_output JPP((j_decompress_ptr cinfo, - int scan_number)); -EXTERN(boolean) jpeg_finish_output JPP((j_decompress_ptr cinfo)); -EXTERN(boolean) jpeg_input_complete JPP((j_decompress_ptr cinfo)); -EXTERN(void) jpeg_new_colormap JPP((j_decompress_ptr cinfo)); -EXTERN(int) jpeg_consume_input JPP((j_decompress_ptr cinfo)); -/* Return value is one of: */ -/* #define JPEG_SUSPENDED 0 Suspended due to lack of input data */ -#define JPEG_REACHED_SOS 1 /* Reached start of new scan */ -#define JPEG_REACHED_EOI 2 /* Reached end of image */ -#define JPEG_ROW_COMPLETED 3 /* Completed one iMCU row */ -#define JPEG_SCAN_COMPLETED 4 /* Completed last iMCU row of a scan */ - -/* Precalculate output dimensions for current decompression parameters. */ -EXTERN(void) jpeg_calc_output_dimensions JPP((j_decompress_ptr cinfo)); - -/* Control saving of COM and APPn markers into marker_list. */ -EXTERN(void) jpeg_save_markers - JPP((j_decompress_ptr cinfo, int marker_code, - unsigned int length_limit)); - -/* Install a special processing method for COM or APPn markers. */ -EXTERN(void) jpeg_set_marker_processor - JPP((j_decompress_ptr cinfo, int marker_code, - jpeg_marker_parser_method routine)); - -/* Read or write raw DCT coefficients --- useful for lossless transcoding. */ -EXTERN(jvirt_barray_ptr *) jpeg_read_coefficients JPP((j_decompress_ptr cinfo)); -EXTERN(void) jpeg_write_coefficients JPP((j_compress_ptr cinfo, - jvirt_barray_ptr * coef_arrays)); -EXTERN(void) jpeg_copy_critical_parameters JPP((j_decompress_ptr srcinfo, - j_compress_ptr dstinfo)); - -/* If you choose to abort compression or decompression before completing - * jpeg_finish_(de)compress, then you need to clean up to release memory, - * temporary files, etc. You can just call jpeg_destroy_(de)compress - * if you're done with the JPEG object, but if you want to clean it up and - * reuse it, call this: - */ -EXTERN(void) jpeg_abort_compress JPP((j_compress_ptr cinfo)); -EXTERN(void) jpeg_abort_decompress JPP((j_decompress_ptr cinfo)); - -/* Generic versions of jpeg_abort and jpeg_destroy that work on either - * flavor of JPEG object. These may be more convenient in some places. - */ -EXTERN(void) jpeg_abort JPP((j_common_ptr cinfo)); -EXTERN(void) jpeg_destroy JPP((j_common_ptr cinfo)); - -/* Default restart-marker-resync procedure for use by data source modules */ -EXTERN(boolean) jpeg_resync_to_restart JPP((j_decompress_ptr cinfo, - int desired)); - - -/* These marker codes are exported since applications and data source modules - * are likely to want to use them. - */ - -#define JPEG_RST0 0xD0 /* RST0 marker code */ -#define JPEG_EOI 0xD9 /* EOI marker code */ -#define JPEG_APP0 0xE0 /* APP0 marker code */ -#define JPEG_COM 0xFE /* COM marker code */ - - -/* If we have a brain-damaged compiler that emits warnings (or worse, errors) - * for structure definitions that are never filled in, keep it quiet by - * supplying dummy definitions for the various substructures. - */ - -#ifdef INCOMPLETE_TYPES_BROKEN -#ifndef JPEG_INTERNALS /* will be defined in jpegint.h */ -struct jvirt_sarray_control { long dummy; }; -struct jvirt_barray_control { long dummy; }; -struct jpeg_comp_master { long dummy; }; -struct jpeg_c_main_controller { long dummy; }; -struct jpeg_c_prep_controller { long dummy; }; -struct jpeg_c_coef_controller { long dummy; }; -struct jpeg_marker_writer { long dummy; }; -struct jpeg_color_converter { long dummy; }; -struct jpeg_downsampler { long dummy; }; -struct jpeg_forward_dct { long dummy; }; -struct jpeg_entropy_encoder { long dummy; }; -struct jpeg_decomp_master { long dummy; }; -struct jpeg_d_main_controller { long dummy; }; -struct jpeg_d_coef_controller { long dummy; }; -struct jpeg_d_post_controller { long dummy; }; -struct jpeg_input_controller { long dummy; }; -struct jpeg_marker_reader { long dummy; }; -struct jpeg_entropy_decoder { long dummy; }; -struct jpeg_inverse_dct { long dummy; }; -struct jpeg_upsampler { long dummy; }; -struct jpeg_color_deconverter { long dummy; }; -struct jpeg_color_quantizer { long dummy; }; -#endif /* JPEG_INTERNALS */ -#endif /* INCOMPLETE_TYPES_BROKEN */ - - -/* - * The JPEG library modules define JPEG_INTERNALS before including this file. - * The internal structure declarations are read only when that is true. - * Applications using the library should not include jpegint.h, but may wish - * to include jerror.h. - */ - -#ifdef JPEG_INTERNALS -#include "jpegint.h" /* fetch private declarations */ -#include "jerror.h" /* fetch error codes too */ -#endif - -#ifdef __cplusplus -} -#endif - -#endif /* JPEGLIB_H */ diff --git a/common/jpeg/jpegtran.c b/common/jpeg/jpegtran.c deleted file mode 100644 index 20ef111b..00000000 --- a/common/jpeg/jpegtran.c +++ /dev/null @@ -1,504 +0,0 @@ -/* - * jpegtran.c - * - * Copyright (C) 1995-1997, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains a command-line user interface for JPEG transcoding. - * It is very similar to cjpeg.c, but provides lossless transcoding between - * different JPEG file formats. It also provides some lossless and sort-of- - * lossless transformations of JPEG data. - */ - -#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */ -#include "transupp.h" /* Support routines for jpegtran */ -#include "jversion.h" /* for version message */ - -#ifdef USE_CCOMMAND /* command-line reader for Macintosh */ -#ifdef __MWERKS__ -#include <SIOUX.h> /* Metrowerks needs this */ -#include <console.h> /* ... and this */ -#endif -#ifdef THINK_C -#include <console.h> /* Think declares it here */ -#endif -#endif - - -/* - * Argument-parsing code. - * The switch parser is designed to be useful with DOS-style command line - * syntax, ie, intermixed switches and file names, where only the switches - * to the left of a given file name affect processing of that file. - * The main program in this file doesn't actually use this capability... - */ - - -static const char * progname; /* program name for error messages */ -static char * outfilename; /* for -outfile switch */ -static JCOPY_OPTION copyoption; /* -copy switch */ -static jpeg_transform_info transformoption; /* image transformation options */ - - -LOCAL(void) -usage (void) -/* complain about bad command line */ -{ - fprintf(stderr, "usage: %s [switches] ", progname); -#ifdef TWO_FILE_COMMANDLINE - fprintf(stderr, "inputfile outputfile\n"); -#else - fprintf(stderr, "[inputfile]\n"); -#endif - - fprintf(stderr, "Switches (names may be abbreviated):\n"); - fprintf(stderr, " -copy none Copy no extra markers from source file\n"); - fprintf(stderr, " -copy comments Copy only comment markers (default)\n"); - fprintf(stderr, " -copy all Copy all extra markers\n"); -#ifdef ENTROPY_OPT_SUPPORTED - fprintf(stderr, " -optimize Optimize Huffman table (smaller file, but slow compression)\n"); -#endif -#ifdef C_PROGRESSIVE_SUPPORTED - fprintf(stderr, " -progressive Create progressive JPEG file\n"); -#endif -#if TRANSFORMS_SUPPORTED - fprintf(stderr, "Switches for modifying the image:\n"); - fprintf(stderr, " -grayscale Reduce to grayscale (omit color data)\n"); - fprintf(stderr, " -flip [horizontal|vertical] Mirror image (left-right or top-bottom)\n"); - fprintf(stderr, " -rotate [90|180|270] Rotate image (degrees clockwise)\n"); - fprintf(stderr, " -transpose Transpose image\n"); - fprintf(stderr, " -transverse Transverse transpose image\n"); - fprintf(stderr, " -trim Drop non-transformable edge blocks\n"); -#endif /* TRANSFORMS_SUPPORTED */ - fprintf(stderr, "Switches for advanced users:\n"); - fprintf(stderr, " -restart N Set restart interval in rows, or in blocks with B\n"); - fprintf(stderr, " -maxmemory N Maximum memory to use (in kbytes)\n"); - fprintf(stderr, " -outfile name Specify name for output file\n"); - fprintf(stderr, " -verbose or -debug Emit debug output\n"); - fprintf(stderr, "Switches for wizards:\n"); -#ifdef C_ARITH_CODING_SUPPORTED - fprintf(stderr, " -arithmetic Use arithmetic coding\n"); -#endif -#ifdef C_MULTISCAN_FILES_SUPPORTED - fprintf(stderr, " -scans file Create multi-scan JPEG per script file\n"); -#endif - exit(EXIT_FAILURE); -} - - -LOCAL(void) -select_transform (JXFORM_CODE transform) -/* Silly little routine to detect multiple transform options, - * which we can't handle. - */ -{ -#if TRANSFORMS_SUPPORTED - if (transformoption.transform == JXFORM_NONE || - transformoption.transform == transform) { - transformoption.transform = transform; - } else { - fprintf(stderr, "%s: can only do one image transformation at a time\n", - progname); - usage(); - } -#else - fprintf(stderr, "%s: sorry, image transformation was not compiled\n", - progname); - exit(EXIT_FAILURE); -#endif -} - - -LOCAL(int) -parse_switches (j_compress_ptr cinfo, int argc, char **argv, - int last_file_arg_seen, boolean for_real) -/* Parse optional switches. - * Returns argv[] index of first file-name argument (== argc if none). - * Any file names with indexes <= last_file_arg_seen are ignored; - * they have presumably been processed in a previous iteration. - * (Pass 0 for last_file_arg_seen on the first or only iteration.) - * for_real is FALSE on the first (dummy) pass; we may skip any expensive - * processing. - */ -{ - int argn; - char * arg; - boolean simple_progressive; - char * scansarg = NULL; /* saves -scans parm if any */ - - /* Set up default JPEG parameters. */ - simple_progressive = FALSE; - outfilename = NULL; - copyoption = JCOPYOPT_DEFAULT; - transformoption.transform = JXFORM_NONE; - transformoption.trim = FALSE; - transformoption.force_grayscale = FALSE; - cinfo->err->trace_level = 0; - - /* Scan command line options, adjust parameters */ - - for (argn = 1; argn < argc; argn++) { - arg = argv[argn]; - if (*arg != '-') { - /* Not a switch, must be a file name argument */ - if (argn <= last_file_arg_seen) { - outfilename = NULL; /* -outfile applies to just one input file */ - continue; /* ignore this name if previously processed */ - } - break; /* else done parsing switches */ - } - arg++; /* advance past switch marker character */ - - if (keymatch(arg, "arithmetic", 1)) { - /* Use arithmetic coding. */ -#ifdef C_ARITH_CODING_SUPPORTED - cinfo->arith_code = TRUE; -#else - fprintf(stderr, "%s: sorry, arithmetic coding not supported\n", - progname); - exit(EXIT_FAILURE); -#endif - - } else if (keymatch(arg, "copy", 1)) { - /* Select which extra markers to copy. */ - if (++argn >= argc) /* advance to next argument */ - usage(); - if (keymatch(argv[argn], "none", 1)) { - copyoption = JCOPYOPT_NONE; - } else if (keymatch(argv[argn], "comments", 1)) { - copyoption = JCOPYOPT_COMMENTS; - } else if (keymatch(argv[argn], "all", 1)) { - copyoption = JCOPYOPT_ALL; - } else - usage(); - - } else if (keymatch(arg, "debug", 1) || keymatch(arg, "verbose", 1)) { - /* Enable debug printouts. */ - /* On first -d, print version identification */ - static boolean printed_version = FALSE; - - if (! printed_version) { - fprintf(stderr, "Independent JPEG Group's JPEGTRAN, version %s\n%s\n", - JVERSION, JCOPYRIGHT); - printed_version = TRUE; - } - cinfo->err->trace_level++; - - } else if (keymatch(arg, "flip", 1)) { - /* Mirror left-right or top-bottom. */ - if (++argn >= argc) /* advance to next argument */ - usage(); - if (keymatch(argv[argn], "horizontal", 1)) - select_transform(JXFORM_FLIP_H); - else if (keymatch(argv[argn], "vertical", 1)) - select_transform(JXFORM_FLIP_V); - else - usage(); - - } else if (keymatch(arg, "grayscale", 1) || keymatch(arg, "greyscale",1)) { - /* Force to grayscale. */ -#if TRANSFORMS_SUPPORTED - transformoption.force_grayscale = TRUE; -#else - select_transform(JXFORM_NONE); /* force an error */ -#endif - - } else if (keymatch(arg, "maxmemory", 3)) { - /* Maximum memory in Kb (or Mb with 'm'). */ - long lval; - char ch = 'x'; - - if (++argn >= argc) /* advance to next argument */ - usage(); - if (sscanf(argv[argn], "%ld%c", &lval, &ch) < 1) - usage(); - if (ch == 'm' || ch == 'M') - lval *= 1000L; - cinfo->mem->max_memory_to_use = lval * 1000L; - - } else if (keymatch(arg, "optimize", 1) || keymatch(arg, "optimise", 1)) { - /* Enable entropy parm optimization. */ -#ifdef ENTROPY_OPT_SUPPORTED - cinfo->optimize_coding = TRUE; -#else - fprintf(stderr, "%s: sorry, entropy optimization was not compiled\n", - progname); - exit(EXIT_FAILURE); -#endif - - } else if (keymatch(arg, "outfile", 4)) { - /* Set output file name. */ - if (++argn >= argc) /* advance to next argument */ - usage(); - outfilename = argv[argn]; /* save it away for later use */ - - } else if (keymatch(arg, "progressive", 1)) { - /* Select simple progressive mode. */ -#ifdef C_PROGRESSIVE_SUPPORTED - simple_progressive = TRUE; - /* We must postpone execution until num_components is known. */ -#else - fprintf(stderr, "%s: sorry, progressive output was not compiled\n", - progname); - exit(EXIT_FAILURE); -#endif - - } else if (keymatch(arg, "restart", 1)) { - /* Restart interval in MCU rows (or in MCUs with 'b'). */ - long lval; - char ch = 'x'; - - if (++argn >= argc) /* advance to next argument */ - usage(); - if (sscanf(argv[argn], "%ld%c", &lval, &ch) < 1) - usage(); - if (lval < 0 || lval > 65535L) - usage(); - if (ch == 'b' || ch == 'B') { - cinfo->restart_interval = (unsigned int) lval; - cinfo->restart_in_rows = 0; /* else prior '-restart n' overrides me */ - } else { - cinfo->restart_in_rows = (int) lval; - /* restart_interval will be computed during startup */ - } - - } else if (keymatch(arg, "rotate", 2)) { - /* Rotate 90, 180, or 270 degrees (measured clockwise). */ - if (++argn >= argc) /* advance to next argument */ - usage(); - if (keymatch(argv[argn], "90", 2)) - select_transform(JXFORM_ROT_90); - else if (keymatch(argv[argn], "180", 3)) - select_transform(JXFORM_ROT_180); - else if (keymatch(argv[argn], "270", 3)) - select_transform(JXFORM_ROT_270); - else - usage(); - - } else if (keymatch(arg, "scans", 1)) { - /* Set scan script. */ -#ifdef C_MULTISCAN_FILES_SUPPORTED - if (++argn >= argc) /* advance to next argument */ - usage(); - scansarg = argv[argn]; - /* We must postpone reading the file in case -progressive appears. */ -#else - fprintf(stderr, "%s: sorry, multi-scan output was not compiled\n", - progname); - exit(EXIT_FAILURE); -#endif - - } else if (keymatch(arg, "transpose", 1)) { - /* Transpose (across UL-to-LR axis). */ - select_transform(JXFORM_TRANSPOSE); - - } else if (keymatch(arg, "transverse", 6)) { - /* Transverse transpose (across UR-to-LL axis). */ - select_transform(JXFORM_TRANSVERSE); - - } else if (keymatch(arg, "trim", 3)) { - /* Trim off any partial edge MCUs that the transform can't handle. */ - transformoption.trim = TRUE; - - } else { - usage(); /* bogus switch */ - } - } - - /* Post-switch-scanning cleanup */ - - if (for_real) { - -#ifdef C_PROGRESSIVE_SUPPORTED - if (simple_progressive) /* process -progressive; -scans can override */ - jpeg_simple_progression(cinfo); -#endif - -#ifdef C_MULTISCAN_FILES_SUPPORTED - if (scansarg != NULL) /* process -scans if it was present */ - if (! read_scan_script(cinfo, scansarg)) - usage(); -#endif - } - - return argn; /* return index of next arg (file name) */ -} - - -/* - * The main program. - */ - -int -main (int argc, char **argv) -{ - struct jpeg_decompress_struct srcinfo; - struct jpeg_compress_struct dstinfo; - struct jpeg_error_mgr jsrcerr, jdsterr; -#ifdef PROGRESS_REPORT - struct cdjpeg_progress_mgr progress; -#endif - jvirt_barray_ptr * src_coef_arrays; - jvirt_barray_ptr * dst_coef_arrays; - int file_index; - FILE * input_file; - FILE * output_file; - - /* On Mac, fetch a command line. */ -#ifdef USE_CCOMMAND - argc = ccommand(&argv); -#endif - - progname = argv[0]; - if (progname == NULL || progname[0] == 0) - progname = "jpegtran"; /* in case C library doesn't provide it */ - - /* Initialize the JPEG decompression object with default error handling. */ - srcinfo.err = jpeg_std_error(&jsrcerr); - jpeg_create_decompress(&srcinfo); - /* Initialize the JPEG compression object with default error handling. */ - dstinfo.err = jpeg_std_error(&jdsterr); - jpeg_create_compress(&dstinfo); - - /* Now safe to enable signal catcher. - * Note: we assume only the decompression object will have virtual arrays. - */ -#ifdef NEED_SIGNAL_CATCHER - enable_signal_catcher((j_common_ptr) &srcinfo); -#endif - - /* Scan command line to find file names. - * It is convenient to use just one switch-parsing routine, but the switch - * values read here are mostly ignored; we will rescan the switches after - * opening the input file. Also note that most of the switches affect the - * destination JPEG object, so we parse into that and then copy over what - * needs to affects the source too. - */ - - file_index = parse_switches(&dstinfo, argc, argv, 0, FALSE); - jsrcerr.trace_level = jdsterr.trace_level; - srcinfo.mem->max_memory_to_use = dstinfo.mem->max_memory_to_use; - -#ifdef TWO_FILE_COMMANDLINE - /* Must have either -outfile switch or explicit output file name */ - if (outfilename == NULL) { - if (file_index != argc-2) { - fprintf(stderr, "%s: must name one input and one output file\n", - progname); - usage(); - } - outfilename = argv[file_index+1]; - } else { - if (file_index != argc-1) { - fprintf(stderr, "%s: must name one input and one output file\n", - progname); - usage(); - } - } -#else - /* Unix style: expect zero or one file name */ - if (file_index < argc-1) { - fprintf(stderr, "%s: only one input file\n", progname); - usage(); - } -#endif /* TWO_FILE_COMMANDLINE */ - - /* Open the input file. */ - if (file_index < argc) { - if ((input_file = fopen(argv[file_index], READ_BINARY)) == NULL) { - fprintf(stderr, "%s: can't open %s\n", progname, argv[file_index]); - exit(EXIT_FAILURE); - } - } else { - /* default input file is stdin */ - input_file = read_stdin(); - } - - /* Open the output file. */ - if (outfilename != NULL) { - if ((output_file = fopen(outfilename, WRITE_BINARY)) == NULL) { - fprintf(stderr, "%s: can't open %s\n", progname, outfilename); - exit(EXIT_FAILURE); - } - } else { - /* default output file is stdout */ - output_file = write_stdout(); - } - -#ifdef PROGRESS_REPORT - start_progress_monitor((j_common_ptr) &dstinfo, &progress); -#endif - - /* Specify data source for decompression */ - jpeg_stdio_src(&srcinfo, input_file); - - /* Enable saving of extra markers that we want to copy */ - jcopy_markers_setup(&srcinfo, copyoption); - - /* Read file header */ - (void) jpeg_read_header(&srcinfo, TRUE); - - /* Any space needed by a transform option must be requested before - * jpeg_read_coefficients so that memory allocation will be done right. - */ -#if TRANSFORMS_SUPPORTED - jtransform_request_workspace(&srcinfo, &transformoption); -#endif - - /* Read source file as DCT coefficients */ - src_coef_arrays = jpeg_read_coefficients(&srcinfo); - - /* Initialize destination compression parameters from source values */ - jpeg_copy_critical_parameters(&srcinfo, &dstinfo); - - /* Adjust destination parameters if required by transform options; - * also find out which set of coefficient arrays will hold the output. - */ -#if TRANSFORMS_SUPPORTED - dst_coef_arrays = jtransform_adjust_parameters(&srcinfo, &dstinfo, - src_coef_arrays, - &transformoption); -#else - dst_coef_arrays = src_coef_arrays; -#endif - - /* Adjust default compression parameters by re-parsing the options */ - file_index = parse_switches(&dstinfo, argc, argv, 0, TRUE); - - /* Specify data destination for compression */ - jpeg_stdio_dest(&dstinfo, output_file); - - /* Start compressor (note no image data is actually written here) */ - jpeg_write_coefficients(&dstinfo, dst_coef_arrays); - - /* Copy to the output file any extra markers that we want to preserve */ - jcopy_markers_execute(&srcinfo, &dstinfo, copyoption); - - /* Execute image transformation, if any */ -#if TRANSFORMS_SUPPORTED - jtransform_execute_transformation(&srcinfo, &dstinfo, - src_coef_arrays, - &transformoption); -#endif - - /* Finish compression and release memory */ - jpeg_finish_compress(&dstinfo); - jpeg_destroy_compress(&dstinfo); - (void) jpeg_finish_decompress(&srcinfo); - jpeg_destroy_decompress(&srcinfo); - - /* Close files, if we opened them */ - if (input_file != stdin) - fclose(input_file); - if (output_file != stdout) - fclose(output_file); - -#ifdef PROGRESS_REPORT - end_progress_monitor((j_common_ptr) &dstinfo); -#endif - - /* All done. */ - exit(jsrcerr.num_warnings + jdsterr.num_warnings ?EXIT_WARNING:EXIT_SUCCESS); - return 0; /* suppress no-return-value warnings */ -} diff --git a/common/jpeg/jpegut.c b/common/jpeg/jpegut.c deleted file mode 100644 index cec0f729..00000000 --- a/common/jpeg/jpegut.c +++ /dev/null @@ -1,387 +0,0 @@ -/* Copyright (C)2004 Landmark Graphics Corporation - * Copyright (C)2005 Sun Microsystems, Inc. - * Copyright (C)2009 D. R. Commander - * - * This library is free software and may be redistributed and/or modified under - * the terms of the wxWindows Library License, Version 3.1 or (at your option) - * any later version. The full license is in the LICENSE.txt file included - * with this distribution. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * wxWindows Library License for more details. - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include "./rrtimer.h" -#include "./turbojpeg.h" - -#define _catch(f) {if((f)==-1) {printf("TJPEG: %s\n", tjGetErrorStr()); bailout();}} - -const char *_subnamel[NUMSUBOPT]={"4:4:4", "4:2:2", "4:2:0", "GRAY"}; -const char *_subnames[NUMSUBOPT]={"444", "422", "420", "GRAY"}; - -int exitstatus=0; -#define bailout() {exitstatus=-1; goto finally;} - -int pixels[9][3]= -{ - {0, 255, 0}, - {255, 0, 255}, - {255, 255, 0}, - {0, 0, 255}, - {0, 255, 255}, - {255, 0, 0}, - {255, 255, 255}, - {0, 0, 0}, - {255, 0, 0} -}; - -void initbuf(unsigned char *buf, int w, int h, int ps, int flags) -{ - int roffset=(flags&TJ_BGR)?2:0, goffset=1, boffset=(flags&TJ_BGR)?0:2, i, - _i, j; - if(flags&TJ_ALPHAFIRST) {roffset++; goffset++; boffset++;} - memset(buf, 0, w*h*ps); - for(_i=0; _i<16; _i++) - { - if(flags&TJ_BOTTOMUP) i=h-_i-1; else i=_i; - for(j=0; j<w; j++) - { - buf[(w*i+j)*ps+roffset]=255; - if(((_i/8)+(j/8))%2==0) - { - buf[(w*i+j)*ps+goffset]=255; - buf[(w*i+j)*ps+boffset]=255; - } - } - } - for(_i=16; _i<h; _i++) - { - if(flags&TJ_BOTTOMUP) i=h-_i-1; else i=_i; - for(j=0; j<w; j++) - { - if(((_i/8)+(j/8))%2!=0) - { - buf[(w*i+j)*ps+roffset]=255; - buf[(w*i+j)*ps+goffset]=255; - } - } - } -} - -void dumpbuf(unsigned char *buf, int w, int h, int ps, int flags) -{ - int roffset=(flags&TJ_BGR)?2:0, goffset=1, boffset=(flags&TJ_BGR)?0:2, i, - j; - for(i=0; i<h; i++) - { - for(j=0; j<w; j++) - { - printf("%.3d/%.3d/%.3d ", buf[(w*i+j)*ps+roffset], - buf[(w*i+j)*ps+roffset], buf[(w*i+j)*ps+roffset]); - } - printf("\n"); - } -} - -int checkbuf(unsigned char *buf, int w, int h, int ps, int subsamp, int flags) -{ - int roffset=(flags&TJ_BGR)?2:0, goffset=1, boffset=(flags&TJ_BGR)?0:2, i, - _i, j; - if(flags&TJ_ALPHAFIRST) {roffset++; goffset++; boffset++;} - if(subsamp==TJ_GRAYSCALE) - { - for(_i=0; _i<16; _i++) - { - if(flags&TJ_BOTTOMUP) i=h-_i-1; else i=_i; - for(j=0; j<w; j++) - { - unsigned char r=buf[(w*i+j)*ps+roffset], - g=buf[(w*i+j)*ps+goffset], - b=buf[(w*i+j)*ps+boffset]; - if(((_i/8)+(j/8))%2==0) - { - if(r<253 || g<253 || b<253) return 0; - } - else - { - if(r<74 || r>78 || g<74 || g>78 || b<74 || b>78) return 0; - } - } - } - for(_i=16; _i<h; _i++) - { - if(flags&TJ_BOTTOMUP) i=h-_i-1; else i=_i; - for(j=0; j<w; j++) - { - unsigned char r=buf[(w*i+j)*ps+roffset], - g=buf[(w*i+j)*ps+goffset], - b=buf[(w*i+j)*ps+boffset]; - if(((_i/8)+(j/8))%2==0) - { - if(r>2 || g>2 || b>2) return 0; - } - else - { - if(r<224 || r>228 || g<224 || g>228 || b<224 || b>228) return 0; - } - } - } - } - else - { - for(_i=0; _i<16; _i++) - { - if(flags&TJ_BOTTOMUP) i=h-_i-1; else i=_i; - for(j=0; j<w; j++) - { - if(buf[(w*i+j)*ps+roffset]<253) return 0; - if(((_i/8)+(j/8))%2==0) - { - if(buf[(w*i+j)*ps+goffset]<253) return 0; - if(buf[(w*i+j)*ps+boffset]<253) return 0; - } - else - { - if(buf[(w*i+j)*ps+goffset]>2) return 0; - if(buf[(w*i+j)*ps+boffset]>2) return 0; - } - } - } - for(_i=16; _i<h; _i++) - { - if(flags&TJ_BOTTOMUP) i=h-_i-1; else i=_i; - for(j=0; j<w; j++) - { - if(buf[(w*i+j)*ps+boffset]>2) return 0; - if(((_i/8)+(j/8))%2==0) - { - if(buf[(w*i+j)*ps+roffset]>2) return 0; - if(buf[(w*i+j)*ps+goffset]>2) return 0; - } - else - { - if(buf[(w*i+j)*ps+roffset]<253) return 0; - if(buf[(w*i+j)*ps+goffset]<253) return 0; - } - } - } - } - return 1; -} - -void writejpeg(unsigned char *jpegbuf, unsigned long jpgbufsize, char *filename) -{ - FILE *outfile=NULL; - if((outfile=fopen(filename, "wb"))==NULL) - { - printf("ERROR: Could not open %s for writing.\n", filename); - bailout(); - } - if(fwrite(jpegbuf, jpgbufsize, 1, outfile)!=1) - { - printf("ERROR: Could not write to %s.\n", filename); - bailout(); - } - - finally: - if(outfile) fclose(outfile); -} - -void gentestjpeg(tjhandle hnd, unsigned char *jpegbuf, unsigned long *size, - int w, int h, int ps, char *basefilename, int subsamp, int qual, int flags) -{ - char tempstr[1024]; unsigned char *bmpbuf=NULL; - const char *pixformat; double t; - - if(flags&TJ_BGR) - { - if(ps==3) pixformat="BGR"; - else {if(flags&TJ_ALPHAFIRST) pixformat="ABGR"; else pixformat="BGRA";} - } - else - { - if(ps==3) pixformat="RGB"; - else {if(flags&TJ_ALPHAFIRST) pixformat="ARGB"; else pixformat="RGBA";} - } - printf("%s %s -> %s Q%d ... ", pixformat, - (flags&TJ_BOTTOMUP)?"Bottom-Up":"Top-Down ", _subnamel[subsamp], qual); - - if((bmpbuf=(unsigned char *)malloc(w*h*ps+1))==NULL) - { - printf("ERROR: Could not allocate buffer\n"); bailout(); - } - initbuf(bmpbuf, w, h, ps, flags); - memset(jpegbuf, 0, TJBUFSIZE(w, h)); - - t=rrtime(); - _catch(tjCompress(hnd, bmpbuf, w, 0, h, ps, jpegbuf, size, subsamp, qual, flags)); - t=rrtime()-t; - - sprintf(tempstr, "%s_enc_%s_%s_%sQ%d.jpg", basefilename, pixformat, - (flags&TJ_BOTTOMUP)? "BU":"TD", _subnames[subsamp], qual); - writejpeg(jpegbuf, *size, tempstr); - printf("Done. %f ms\n Result in %s\n", t*1000., tempstr); - - finally: - if(bmpbuf) free(bmpbuf); -} - -void gentestbmp(tjhandle hnd, unsigned char *jpegbuf, unsigned long jpegsize, - int w, int h, int ps, char *basefilename, int subsamp, int qual, int flags) -{ - unsigned char *bmpbuf=NULL; - const char *pixformat; int _w=0, _h=0; double t; - - if(flags&TJ_BGR) - { - if(ps==3) pixformat="BGR"; - else {if(flags&TJ_ALPHAFIRST) pixformat="ABGR"; else pixformat="BGRA";} - } - else - { - if(ps==3) pixformat="RGB"; - else {if(flags&TJ_ALPHAFIRST) pixformat="ARGB"; else pixformat="RGBA";} - } - printf("JPEG -> %s %s ... ", pixformat, (flags&TJ_BOTTOMUP)?"Bottom-Up":"Top-Down "); - - _catch(tjDecompressHeader(hnd, jpegbuf, jpegsize, &_w, &_h)); - if(_w!=w || _h!=h) - { - printf("Incorrect JPEG header\n"); bailout(); - } - - if((bmpbuf=(unsigned char *)malloc(w*h*ps+1))==NULL) - { - printf("ERROR: Could not allocate buffer\n"); bailout(); - } - memset(bmpbuf, 0, w*ps*h); - - t=rrtime(); - _catch(tjDecompress(hnd, jpegbuf, jpegsize, bmpbuf, w, w*ps, h, ps, flags)); - t=rrtime()-t; - - if(checkbuf(bmpbuf, w, h, ps, subsamp, flags)) printf("Passed."); - else {printf("FAILED!"); dumpbuf(bmpbuf, w, h, ps, flags);} - - printf(" %f ms\n\n", t*1000.); - - finally: - if(bmpbuf) free(bmpbuf); -} - -void dotest(int w, int h, int ps, int subsamp, char *basefilename) -{ - tjhandle hnd=NULL, dhnd=NULL; unsigned char *jpegbuf=NULL; - unsigned long size; - - if((jpegbuf=(unsigned char *)malloc(TJBUFSIZE(w, h))) == NULL) - { - puts("ERROR: Could not allocate buffer."); bailout(); - } - - if((hnd=tjInitCompress())==NULL) - {printf("Error in tjInitCompress():\n%s\n", tjGetErrorStr()); bailout();} - if((dhnd=tjInitDecompress())==NULL) - {printf("Error in tjInitDecompress():\n%s\n", tjGetErrorStr()); bailout();} - - gentestjpeg(hnd, jpegbuf, &size, w, h, ps, basefilename, subsamp, 100, 0); - gentestbmp(dhnd, jpegbuf, size, w, h, ps, basefilename, subsamp, 100, 0); - - gentestjpeg(hnd, jpegbuf, &size, w, h, ps, basefilename, subsamp, 100, TJ_BGR); - gentestbmp(dhnd, jpegbuf, size, w, h, ps, basefilename, subsamp, 100, TJ_BGR); - - gentestjpeg(hnd, jpegbuf, &size, w, h, ps, basefilename, subsamp, 100, TJ_BOTTOMUP); - gentestbmp(dhnd, jpegbuf, size, w, h, ps, basefilename, subsamp, 100, TJ_BOTTOMUP); - - gentestjpeg(hnd, jpegbuf, &size, w, h, ps, basefilename, subsamp, 100, TJ_BGR|TJ_BOTTOMUP); - gentestbmp(dhnd, jpegbuf, size, w, h, ps, basefilename, subsamp, 100, TJ_BGR|TJ_BOTTOMUP); - - if(ps==4) - { - gentestjpeg(hnd, jpegbuf, &size, w, h, ps, basefilename, subsamp, 100, TJ_ALPHAFIRST); - gentestbmp(dhnd, jpegbuf, size, w, h, ps, basefilename, subsamp, 100, TJ_ALPHAFIRST); - - gentestjpeg(hnd, jpegbuf, &size, w, h, ps, basefilename, subsamp, 100, TJ_ALPHAFIRST|TJ_BGR); - gentestbmp(dhnd, jpegbuf, size, w, h, ps, basefilename, subsamp, 100, TJ_ALPHAFIRST|TJ_BGR); - - gentestjpeg(hnd, jpegbuf, &size, w, h, ps, basefilename, subsamp, 100, TJ_ALPHAFIRST|TJ_BOTTOMUP); - gentestbmp(dhnd, jpegbuf, size, w, h, ps, basefilename, subsamp, 100, TJ_ALPHAFIRST|TJ_BOTTOMUP); - - gentestjpeg(hnd, jpegbuf, &size, w, h, ps, basefilename, subsamp, 100, TJ_ALPHAFIRST|TJ_BGR|TJ_BOTTOMUP); - gentestbmp(dhnd, jpegbuf, size, w, h, ps, basefilename, subsamp, 100, TJ_ALPHAFIRST|TJ_BGR|TJ_BOTTOMUP); - } - - finally: - if(hnd) tjDestroy(hnd); - if(dhnd) tjDestroy(dhnd); - - if(jpegbuf) free(jpegbuf); -} - -#define MAXLENGTH 2048 - -void dotest1(void) -{ - int i, j, i2; unsigned char *bmpbuf=NULL, *jpgbuf=NULL; - tjhandle hnd=NULL; unsigned long size; - if((hnd=tjInitCompress())==NULL) - {printf("Error in tjInitCompress():\n%s\n", tjGetErrorStr()); bailout();} - printf("Buffer size regression test\n"); - for(j=1; j<48; j++) - { - for(i=1; i<(j==1?MAXLENGTH:48); i++) - { - if(i%100==0) printf("%.4d x %.4d\b\b\b\b\b\b\b\b\b\b\b", i, j); - if((bmpbuf=(unsigned char *)malloc(i*j*4))==NULL - || (jpgbuf=(unsigned char *)malloc(TJBUFSIZE(i, j)))==NULL) - { - printf("Memory allocation failure\n"); bailout(); - } - memset(bmpbuf, 0, i*j*4); - for(i2=0; i2<i*j; i2++) - { - bmpbuf[i2*4]=pixels[i2%9][2]; - bmpbuf[i2*4+1]=pixels[i2%9][1]; - bmpbuf[i2*2+2]=pixels[i2%9][0]; - } - _catch(tjCompress(hnd, bmpbuf, i, i*4, j, 4, - jpgbuf, &size, TJ_444, 100, TJ_BGR)); - free(bmpbuf); bmpbuf=NULL; free(jpgbuf); jpgbuf=NULL; - - if((bmpbuf=(unsigned char *)malloc(j*i*4))==NULL - || (jpgbuf=(unsigned char *)malloc(TJBUFSIZE(j, i)))==NULL) - { - printf("Memory allocation failure\n"); bailout(); - } - for(i2=0; i2<j*i*4; i2++) - { - if(i2%2==0) bmpbuf[i2]=0xFF; - else bmpbuf[i2]=0; - } - _catch(tjCompress(hnd, bmpbuf, j, j*4, i, 4, - jpgbuf, &size, TJ_444, 100, TJ_BGR)); - free(bmpbuf); bmpbuf=NULL; free(jpgbuf); jpgbuf=NULL; - } - } - printf("Done. \n"); - - finally: - if(bmpbuf) free(bmpbuf); if(jpgbuf) free(jpgbuf); - if(hnd) tjDestroy(hnd); -} - -int main(int argc, char *argv[]) -{ - dotest(35, 41, 3, TJ_444, "test"); - dotest(35, 41, 4, TJ_444, "test"); - dotest(35, 41, 3, TJ_GRAYSCALE, "test"); - dotest(35, 41, 4, TJ_GRAYSCALE, "test"); - dotest1(); - - return exitstatus; -} diff --git a/common/jpeg/jpgtest.cxx b/common/jpeg/jpgtest.cxx deleted file mode 100644 index b1c5e1a0..00000000 --- a/common/jpeg/jpgtest.cxx +++ /dev/null @@ -1,392 +0,0 @@ -/* Copyright (C)2004 Landmark Graphics Corporation - * Copyright (C)2005, 2006 Sun Microsystems, Inc. - * Copyright (C)2009 D. R. Commander - * - * This library is free software and may be redistributed and/or modified under - * the terms of the wxWindows Library License, Version 3.1 or (at your option) - * any later version. The full license is in the LICENSE.txt file included - * with this distribution. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * wxWindows Library License for more details. - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <math.h> -#include "./bmp.h" -#include "./rrutil.h" -#include "./rrtimer.h" -#include "./turbojpeg.h" - -#define _catch(f) {if((f)==-1) {printf("Error in %s:\n%s\n", #f, tjGetErrorStr()); goto bailout;}} - -int forcemmx=0, forcesse=0, forcesse2=0, forcesse3=0, fastupsample=0; -const int _ps[BMPPIXELFORMATS]={3, 4, 3, 4, 4, 4}; -const int _flags[BMPPIXELFORMATS]={0, 0, TJ_BGR, TJ_BGR, - TJ_BGR|TJ_ALPHAFIRST, TJ_ALPHAFIRST}; -const int _rindex[BMPPIXELFORMATS]={0, 0, 2, 2, 3, 1}; -const int _gindex[BMPPIXELFORMATS]={1, 1, 1, 1, 2, 2}; -const int _bindex[BMPPIXELFORMATS]={2, 2, 0, 0, 1, 3}; -const char *_pfname[]={"RGB", "RGBA", "BGR", "BGRA", "ABGR", "ARGB"}; -const char *_subnamel[NUMSUBOPT]={"4:4:4", "4:2:2", "4:2:0", "GRAY"}; -const char *_subnames[NUMSUBOPT]={"444", "422", "420", "GRAY"}; - -void printsigfig(double val, int figs) -{ - char format[80]; - double _l=log10(val); int l; - if(_l<0.) - { - l=(int)fabs(_l); - sprintf(format, "%%%d.%df", figs+l+2, figs+l); - } - else - { - l=(int)_l+1; - if(figs<=l) sprintf(format, "%%.0f"); - else sprintf(format, "%%%d.%df", figs+1, figs-l); - } - printf(format, val); -} - -void dotest(unsigned char *srcbuf, int w, int h, BMPPIXELFORMAT pf, int bu, - int jpegsub, int qual, char *filename, int dotile, int useppm, int quiet) -{ - char tempstr[1024]; - FILE *outfile; tjhandle hnd; - unsigned char **jpegbuf=NULL, *rgbbuf=NULL; - rrtimer timer; double elapsed; - int jpgbufsize=0, i, j, tilesizex, tilesizey, numtilesx, numtilesy, ITER; - unsigned long *comptilesize=NULL; - int flags=(forcemmx?TJ_FORCEMMX:0)|(forcesse?TJ_FORCESSE:0) - |(forcesse2?TJ_FORCESSE2:0)|(forcesse3?TJ_FORCESSE3:0) - |(fastupsample?TJ_FASTUPSAMPLE:0); - int ps=_ps[pf]; - int pitch=w*ps; - - flags |= _flags[pf]; - if(bu) flags |= TJ_BOTTOMUP; - - if((rgbbuf=(unsigned char *)malloc(pitch*h)) == NULL) - { - puts("ERROR: Could not allocate image buffer."); - exit(1); - } - - if(!quiet) printf("\n>>>>> %s (%s) <--> JPEG %s Q%d <<<<<\n", _pfname[pf], - bu?"Bottom-up":"Top-down", _subnamel[jpegsub], qual); - if(dotile) {tilesizex=tilesizey=4;} else {tilesizex=w; tilesizey=h;} - - do - { - tilesizex*=2; if(tilesizex>w) tilesizex=w; - tilesizey*=2; if(tilesizey>h) tilesizey=h; - numtilesx=(w+tilesizex-1)/tilesizex; - numtilesy=(h+tilesizey-1)/tilesizey; - if((comptilesize=(unsigned long *)malloc(sizeof(unsigned long)*numtilesx*numtilesy)) == NULL - || (jpegbuf=(unsigned char **)malloc(sizeof(unsigned char *)*numtilesx*numtilesy)) == NULL) - { - puts("ERROR: Could not allocate image buffers."); - goto bailout; - } - memset(jpegbuf, 0, sizeof(unsigned char *)*numtilesx*numtilesy); - for(i=0; i<numtilesx*numtilesy; i++) - { - if((jpegbuf[i]=(unsigned char *)malloc(TJBUFSIZE(tilesizex, tilesizey))) == NULL) - { - puts("ERROR: Could not allocate image buffers."); - goto bailout; - } - } - - // Compression test - if(quiet) printf("%s\t%s\t%s\t%d\t", _pfname[pf], bu?"BU":"TD", - _subnamel[jpegsub], qual); - for(i=0; i<h; i++) memcpy(&rgbbuf[pitch*i], &srcbuf[w*ps*i], w*ps); - if((hnd=tjInitCompress())==NULL) - { - printf("Error in tjInitCompress():\n%s\n", tjGetErrorStr()); - goto bailout; - } - _catch(tjCompress(hnd, rgbbuf, tilesizex, pitch, tilesizey, ps, - jpegbuf[0], &comptilesize[0], jpegsub, qual, flags)); - ITER=0; - timer.start(); - do - { - jpgbufsize=0; int tilen=0; - for(i=0; i<h; i+=tilesizey) - { - for(j=0; j<w; j+=tilesizex) - { - int tempw=min(tilesizex, w-j), temph=min(tilesizey, h-i); - _catch(tjCompress(hnd, &rgbbuf[pitch*i+j*ps], tempw, pitch, - temph, ps, jpegbuf[tilen], &comptilesize[tilen], jpegsub, qual, - flags)); - jpgbufsize+=comptilesize[tilen]; - tilen++; - } - } - ITER++; - } while((elapsed=timer.elapsed())<5.); - _catch(tjDestroy(hnd)); - if(quiet) - { - if(tilesizex==w && tilesizey==h) printf("Full \t"); - else printf("%-4d %-4d\t", tilesizex, tilesizey); - printsigfig((double)(w*h)/1000000.*(double)ITER/elapsed, 4); - printf("\t"); - printsigfig((double)(w*h*ps)/(double)jpgbufsize, 4); - printf("\t"); - } - else - { - if(tilesizex==w && tilesizey==h) printf("\nFull image\n"); - else printf("\nTile size: %d x %d\n", tilesizex, tilesizey); - printf("C--> Frame rate: %f fps\n", (double)ITER/elapsed); - printf(" Output image size: %d bytes\n", jpgbufsize); - printf(" Compression ratio: %f:1\n", - (double)(w*h*ps)/(double)jpgbufsize); - printf(" Source throughput: %f Megapixels/sec\n", - (double)(w*h)/1000000.*(double)ITER/elapsed); - printf(" Output bit stream: %f Megabits/sec\n", - (double)jpgbufsize*8./1000000.*(double)ITER/elapsed); - } - if(tilesizex==w && tilesizey==h) - { - sprintf(tempstr, "%s_%sQ%d.jpg", filename, _subnames[jpegsub], qual); - if((outfile=fopen(tempstr, "wb"))==NULL) - { - puts("ERROR: Could not open reference image"); - exit(1); - } - if(fwrite(jpegbuf[0], jpgbufsize, 1, outfile)!=1) - { - puts("ERROR: Could not write reference image"); - exit(1); - } - fclose(outfile); - if(!quiet) printf("Reference image written to %s\n", tempstr); - } - - // Decompression test - memset(rgbbuf, 127, pitch*h); // Grey image means decompressor did nothing - if((hnd=tjInitDecompress())==NULL) - { - printf("Error in tjInitDecompress():\n%s\n", tjGetErrorStr()); - goto bailout; - } - _catch(tjDecompress(hnd, jpegbuf[0], jpgbufsize, rgbbuf, tilesizex, pitch, - tilesizey, ps, flags)); - ITER=0; - timer.start(); - do - { - int tilen=0; - for(i=0; i<h; i+=tilesizey) - { - for(j=0; j<w; j+=tilesizex) - { - int tempw=min(tilesizex, w-j), temph=min(tilesizey, h-i); - _catch(tjDecompress(hnd, jpegbuf[tilen], comptilesize[tilen], - &rgbbuf[pitch*i+ps*j], tempw, pitch, temph, ps, flags)); - tilen++; - } - } - ITER++; - } while((elapsed=timer.elapsed())<5.); - _catch(tjDestroy(hnd)); - if(quiet) - { - printsigfig((double)(w*h)/1000000.*(double)ITER/elapsed, 4); - printf("\n"); - } - else - { - printf("D--> Frame rate: %f fps\n", (double)ITER/elapsed); - printf(" Dest. throughput: %f Megapixels/sec\n", - (double)(w*h)/1000000.*(double)ITER/elapsed); - } - if(tilesizex==w && tilesizey==h) - sprintf(tempstr, "%s_%sQ%d_full.%s", filename, _subnames[jpegsub], qual, - useppm?"ppm":"bmp"); - else sprintf(tempstr, "%s_%sQ%d_%dx%d.%s", filename, _subnames[jpegsub], - qual, tilesizex, tilesizey, useppm?"ppm":"bmp"); - if(savebmp(tempstr, rgbbuf, w, h, pf, pitch, bu)==-1) - { - printf("ERROR saving bitmap: %s\n", bmpgeterr()); - goto bailout; - } - sprintf(strrchr(tempstr, '.'), "-err.%s", useppm?"ppm":"bmp"); - if(!quiet) - printf("Computing compression error and saving to %s.\n", tempstr); - if(jpegsub==TJ_GRAYSCALE) - { - for(j=0; j<h; j++) - { - for(i=0; i<w*ps; i+=ps) - { - int y=(int)((double)srcbuf[w*ps*j+i+_rindex[pf]]*0.299 - + (double)srcbuf[w*ps*j+i+_gindex[pf]]*0.587 - + (double)srcbuf[w*ps*j+i+_bindex[pf]]*0.114 + 0.5); - if(y>255) y=255; if(y<0) y=0; - rgbbuf[pitch*j+i+_rindex[pf]]=abs(rgbbuf[pitch*j+i+_rindex[pf]]-y); - rgbbuf[pitch*j+i+_gindex[pf]]=abs(rgbbuf[pitch*j+i+_gindex[pf]]-y); - rgbbuf[pitch*j+i+_bindex[pf]]=abs(rgbbuf[pitch*j+i+_bindex[pf]]-y); - } - } - } - else - { - for(j=0; j<h; j++) for(i=0; i<w*ps; i++) - rgbbuf[pitch*j+i]=abs(rgbbuf[pitch*j+i]-srcbuf[w*ps*j+i]); - } - if(savebmp(tempstr, rgbbuf, w, h, pf, pitch, bu)==-1) - { - printf("ERROR saving bitmap: %s\n", bmpgeterr()); - goto bailout; - } - - // Cleanup - if(jpegbuf) - { - for(i=0; i<numtilesx*numtilesy; i++) - {if(jpegbuf[i]) free(jpegbuf[i]); jpegbuf[i]=NULL;} - free(jpegbuf); jpegbuf=NULL; - } - if(comptilesize) {free(comptilesize); comptilesize=NULL;} - } while(tilesizex<w || tilesizey<h); - - if(rgbbuf) {free(rgbbuf); rgbbuf=NULL;} - return; - - bailout: - if(jpegbuf) - { - for(i=0; i<numtilesx*numtilesy; i++) - {if(jpegbuf[i]) free(jpegbuf[i]); jpegbuf[i]=NULL;} - free(jpegbuf); jpegbuf=NULL; - } - if(comptilesize) {free(comptilesize); comptilesize=NULL;} - if(rgbbuf) {free(rgbbuf); rgbbuf=NULL;} - return; -} - - -int main(int argc, char *argv[]) -{ - unsigned char *bmpbuf=NULL; int w, h, i, useppm=0; - int qual, dotile=0, quiet=0, hiqual=-1; char *temp; - BMPPIXELFORMAT pf=BMP_BGR; - int bu=0; - - printf("\n"); - - if(argc<3) - { - printf("USAGE: %s <Inputfile (BMP|PPM)> <%% Quality>\n\n", argv[0]); - printf(" [-tile]\n"); - printf(" Test performance of the codec when the image is encoded\n"); - printf(" as separate tiles of varying sizes.\n\n"); - printf(" [-forcemmx] [-forcesse] [-forcesse2] [-forcesse3]\n"); - printf(" Force MMX, SSE, or SSE2 code paths in Intel codec\n\n"); - printf(" [-rgb | -bgr | -rgba | -bgra | -abgr | -argb]\n"); - printf(" Test the specified color conversion path in the codec (default: BGR)\n\n"); - printf(" [-fastupsample]\n"); - printf(" Use fast, inaccurate upsampling code to perform 4:2:2 and 4:2:0\n"); - printf(" YUV decoding in libjpeg decompressor\n\n"); - printf(" [-quiet]\n"); - printf(" Output in tabular rather than verbose format\n\n"); - printf(" NOTE: If the quality is specified as a range, i.e. 90-100, a separate\n"); - printf(" test will be performed for all quality values in the range.\n"); - exit(1); - } - if((qual=atoi(argv[2]))<1 || qual>100) - { - puts("ERROR: Quality must be between 1 and 100."); - exit(1); - } - if((temp=strchr(argv[2], '-'))!=NULL && strlen(temp)>1 - && sscanf(&temp[1], "%d", &hiqual)==1 && hiqual>qual && hiqual>=1 - && hiqual<=100) {} - else hiqual=qual; - - if(argc>3) - { - for(i=3; i<argc; i++) - { - if(!stricmp(argv[i], "-tile")) dotile=1; - if(!stricmp(argv[i], "-forcesse3")) - { - printf("Using SSE3 code\n"); - forcesse3=1; - } - if(!stricmp(argv[i], "-forcesse2")) - { - printf("Using SSE2 code\n"); - forcesse2=1; - } - if(!stricmp(argv[i], "-forcesse")) - { - printf("Using SSE code\n"); - forcesse=1; - } - if(!stricmp(argv[i], "-forcemmx")) - { - printf("Using MMX code\n"); - forcemmx=1; - } - if(!stricmp(argv[i], "-fastupsample")) - { - printf("Using fast upsampling code\n"); - fastupsample=1; - } - if(!stricmp(argv[i], "-rgb")) pf=BMP_RGB; - if(!stricmp(argv[i], "-rgba")) pf=BMP_RGBA; - if(!stricmp(argv[i], "-bgr")) pf=BMP_BGR; - if(!stricmp(argv[i], "-bgra")) pf=BMP_BGRA; - if(!stricmp(argv[i], "-abgr")) pf=BMP_ABGR; - if(!stricmp(argv[i], "-argb")) pf=BMP_ARGB; - if(!stricmp(argv[i], "-bottomup")) bu=1; - if(!stricmp(argv[i], "-quiet")) quiet=1; - } - } - - if(loadbmp(argv[1], &bmpbuf, &w, &h, pf, 1, bu)==-1) - { - printf("ERROR loading bitmap: %s\n", bmpgeterr()); exit(1); - } - - temp=strrchr(argv[1], '.'); - if(temp!=NULL) - { - if(!stricmp(temp, ".ppm")) useppm=1; - *temp='\0'; - } - - if(quiet) - { - printf("All performance values in Mpixels/sec\n\n"); - printf("Bitmap\tBitmap\tJPEG\tJPEG\tTile Size\tCompr\tCompr\tDecomp\n"); - printf("Format\tOrder\tFormat\tQual\t X Y \tPerf \tRatio\tPerf\n\n"); - } - - for(i=hiqual; i>=qual; i--) - dotest(bmpbuf, w, h, pf, bu, TJ_GRAYSCALE, i, argv[1], dotile, useppm, quiet); - if(quiet) printf("\n"); - for(i=hiqual; i>=qual; i--) - dotest(bmpbuf, w, h, pf, bu, TJ_420, i, argv[1], dotile, useppm, quiet); - if(quiet) printf("\n"); - for(i=hiqual; i>=qual; i--) - dotest(bmpbuf, w, h, pf, bu, TJ_422, i, argv[1], dotile, useppm, quiet); - if(quiet) printf("\n"); - for(i=hiqual; i>=qual; i--) - dotest(bmpbuf, w, h, pf, bu, TJ_444, i, argv[1], dotile, useppm, quiet); - - if(bmpbuf) free(bmpbuf); - return 0; -} diff --git a/common/jpeg/jquant1.c b/common/jpeg/jquant1.c deleted file mode 100644 index 362bb1eb..00000000 --- a/common/jpeg/jquant1.c +++ /dev/null @@ -1,860 +0,0 @@ -/* - * jquant1.c - * - * Copyright (C) 1991-1996, Thomas G. Lane. - * Copyright (C) 2009, D. R. Commander - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains 1-pass color quantization (color mapping) routines. - * These routines provide mapping to a fixed color map using equally spaced - * color values. Optional Floyd-Steinberg or ordered dithering is available. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" - -#ifdef QUANT_1PASS_SUPPORTED - - -/* - * The main purpose of 1-pass quantization is to provide a fast, if not very - * high quality, colormapped output capability. A 2-pass quantizer usually - * gives better visual quality; however, for quantized grayscale output this - * quantizer is perfectly adequate. Dithering is highly recommended with this - * quantizer, though you can turn it off if you really want to. - * - * In 1-pass quantization the colormap must be chosen in advance of seeing the - * image. We use a map consisting of all combinations of Ncolors[i] color - * values for the i'th component. The Ncolors[] values are chosen so that - * their product, the total number of colors, is no more than that requested. - * (In most cases, the product will be somewhat less.) - * - * Since the colormap is orthogonal, the representative value for each color - * component can be determined without considering the other components; - * then these indexes can be combined into a colormap index by a standard - * N-dimensional-array-subscript calculation. Most of the arithmetic involved - * can be precalculated and stored in the lookup table colorindex[]. - * colorindex[i][j] maps pixel value j in component i to the nearest - * representative value (grid plane) for that component; this index is - * multiplied by the array stride for component i, so that the - * index of the colormap entry closest to a given pixel value is just - * sum( colorindex[component-number][pixel-component-value] ) - * Aside from being fast, this scheme allows for variable spacing between - * representative values with no additional lookup cost. - * - * If gamma correction has been applied in color conversion, it might be wise - * to adjust the color grid spacing so that the representative colors are - * equidistant in linear space. At this writing, gamma correction is not - * implemented by jdcolor, so nothing is done here. - */ - - -/* Declarations for ordered dithering. - * - * We use a standard 16x16 ordered dither array. The basic concept of ordered - * dithering is described in many references, for instance Dale Schumacher's - * chapter II.2 of Graphics Gems II (James Arvo, ed. Academic Press, 1991). - * In place of Schumacher's comparisons against a "threshold" value, we add a - * "dither" value to the input pixel and then round the result to the nearest - * output value. The dither value is equivalent to (0.5 - threshold) times - * the distance between output values. For ordered dithering, we assume that - * the output colors are equally spaced; if not, results will probably be - * worse, since the dither may be too much or too little at a given point. - * - * The normal calculation would be to form pixel value + dither, range-limit - * this to 0..MAXJSAMPLE, and then index into the colorindex table as usual. - * We can skip the separate range-limiting step by extending the colorindex - * table in both directions. - */ - -#define ODITHER_SIZE 16 /* dimension of dither matrix */ -/* NB: if ODITHER_SIZE is not a power of 2, ODITHER_MASK uses will break */ -#define ODITHER_CELLS (ODITHER_SIZE*ODITHER_SIZE) /* # cells in matrix */ -#define ODITHER_MASK (ODITHER_SIZE-1) /* mask for wrapping around counters */ - -typedef int ODITHER_MATRIX[ODITHER_SIZE][ODITHER_SIZE]; -typedef int (*ODITHER_MATRIX_PTR)[ODITHER_SIZE]; - -static const UINT8 base_dither_matrix[ODITHER_SIZE][ODITHER_SIZE] = { - /* Bayer's order-4 dither array. Generated by the code given in - * Stephen Hawley's article "Ordered Dithering" in Graphics Gems I. - * The values in this array must range from 0 to ODITHER_CELLS-1. - */ - { 0,192, 48,240, 12,204, 60,252, 3,195, 51,243, 15,207, 63,255 }, - { 128, 64,176,112,140, 76,188,124,131, 67,179,115,143, 79,191,127 }, - { 32,224, 16,208, 44,236, 28,220, 35,227, 19,211, 47,239, 31,223 }, - { 160, 96,144, 80,172,108,156, 92,163, 99,147, 83,175,111,159, 95 }, - { 8,200, 56,248, 4,196, 52,244, 11,203, 59,251, 7,199, 55,247 }, - { 136, 72,184,120,132, 68,180,116,139, 75,187,123,135, 71,183,119 }, - { 40,232, 24,216, 36,228, 20,212, 43,235, 27,219, 39,231, 23,215 }, - { 168,104,152, 88,164,100,148, 84,171,107,155, 91,167,103,151, 87 }, - { 2,194, 50,242, 14,206, 62,254, 1,193, 49,241, 13,205, 61,253 }, - { 130, 66,178,114,142, 78,190,126,129, 65,177,113,141, 77,189,125 }, - { 34,226, 18,210, 46,238, 30,222, 33,225, 17,209, 45,237, 29,221 }, - { 162, 98,146, 82,174,110,158, 94,161, 97,145, 81,173,109,157, 93 }, - { 10,202, 58,250, 6,198, 54,246, 9,201, 57,249, 5,197, 53,245 }, - { 138, 74,186,122,134, 70,182,118,137, 73,185,121,133, 69,181,117 }, - { 42,234, 26,218, 38,230, 22,214, 41,233, 25,217, 37,229, 21,213 }, - { 170,106,154, 90,166,102,150, 86,169,105,153, 89,165,101,149, 85 } -}; - - -/* Declarations for Floyd-Steinberg dithering. - * - * Errors are accumulated into the array fserrors[], at a resolution of - * 1/16th of a pixel count. The error at a given pixel is propagated - * to its not-yet-processed neighbors using the standard F-S fractions, - * ... (here) 7/16 - * 3/16 5/16 1/16 - * We work left-to-right on even rows, right-to-left on odd rows. - * - * We can get away with a single array (holding one row's worth of errors) - * by using it to store the current row's errors at pixel columns not yet - * processed, but the next row's errors at columns already processed. We - * need only a few extra variables to hold the errors immediately around the - * current column. (If we are lucky, those variables are in registers, but - * even if not, they're probably cheaper to access than array elements are.) - * - * The fserrors[] array is indexed [component#][position]. - * We provide (#columns + 2) entries per component; the extra entry at each - * end saves us from special-casing the first and last pixels. - * - * Note: on a wide image, we might not have enough room in a PC's near data - * segment to hold the error array; so it is allocated with alloc_large. - */ - -#if BITS_IN_JSAMPLE == 8 -typedef INT16 FSERROR; /* 16 bits should be enough */ -typedef int LOCFSERROR; /* use 'int' for calculation temps */ -#else -typedef INT32 FSERROR; /* may need more than 16 bits */ -typedef INT32 LOCFSERROR; /* be sure calculation temps are big enough */ -#endif - -typedef FSERROR FAR *FSERRPTR; /* pointer to error array (in FAR storage!) */ - - -/* Private subobject */ - -#define MAX_Q_COMPS 4 /* max components I can handle */ - -typedef struct { - struct jpeg_color_quantizer pub; /* public fields */ - - /* Initially allocated colormap is saved here */ - JSAMPARRAY sv_colormap; /* The color map as a 2-D pixel array */ - int sv_actual; /* number of entries in use */ - - JSAMPARRAY colorindex; /* Precomputed mapping for speed */ - /* colorindex[i][j] = index of color closest to pixel value j in component i, - * premultiplied as described above. Since colormap indexes must fit into - * JSAMPLEs, the entries of this array will too. - */ - boolean is_padded; /* is the colorindex padded for odither? */ - - int Ncolors[MAX_Q_COMPS]; /* # of values alloced to each component */ - - /* Variables for ordered dithering */ - int row_index; /* cur row's vertical index in dither matrix */ - ODITHER_MATRIX_PTR odither[MAX_Q_COMPS]; /* one dither array per component */ - - /* Variables for Floyd-Steinberg dithering */ - FSERRPTR fserrors[MAX_Q_COMPS]; /* accumulated errors */ - boolean on_odd_row; /* flag to remember which row we are on */ -} my_cquantizer; - -typedef my_cquantizer * my_cquantize_ptr; - - -/* - * Policy-making subroutines for create_colormap and create_colorindex. - * These routines determine the colormap to be used. The rest of the module - * only assumes that the colormap is orthogonal. - * - * * select_ncolors decides how to divvy up the available colors - * among the components. - * * output_value defines the set of representative values for a component. - * * largest_input_value defines the mapping from input values to - * representative values for a component. - * Note that the latter two routines may impose different policies for - * different components, though this is not currently done. - */ - - -LOCAL(int) -select_ncolors (j_decompress_ptr cinfo, int Ncolors[]) -/* Determine allocation of desired colors to components, */ -/* and fill in Ncolors[] array to indicate choice. */ -/* Return value is total number of colors (product of Ncolors[] values). */ -{ - int nc = cinfo->out_color_components; /* number of color components */ - int max_colors = cinfo->desired_number_of_colors; - int total_colors, iroot, i, j; - boolean changed; - long temp; - int RGB_order[3] = { RGB_GREEN, RGB_RED, RGB_BLUE }; - RGB_order[0] = rgb_green[cinfo->out_color_space]; - RGB_order[1] = rgb_red[cinfo->out_color_space]; - RGB_order[2] = rgb_blue[cinfo->out_color_space]; - - /* We can allocate at least the nc'th root of max_colors per component. */ - /* Compute floor(nc'th root of max_colors). */ - iroot = 1; - do { - iroot++; - temp = iroot; /* set temp = iroot ** nc */ - for (i = 1; i < nc; i++) - temp *= iroot; - } while (temp <= (long) max_colors); /* repeat till iroot exceeds root */ - iroot--; /* now iroot = floor(root) */ - - /* Must have at least 2 color values per component */ - if (iroot < 2) - ERREXIT1(cinfo, JERR_QUANT_FEW_COLORS, (int) temp); - - /* Initialize to iroot color values for each component */ - total_colors = 1; - for (i = 0; i < nc; i++) { - Ncolors[i] = iroot; - total_colors *= iroot; - } - /* We may be able to increment the count for one or more components without - * exceeding max_colors, though we know not all can be incremented. - * Sometimes, the first component can be incremented more than once! - * (Example: for 16 colors, we start at 2*2*2, go to 3*2*2, then 4*2*2.) - * In RGB colorspace, try to increment G first, then R, then B. - */ - do { - changed = FALSE; - for (i = 0; i < nc; i++) { - j = (cinfo->out_color_space == JCS_RGB ? RGB_order[i] : i); - /* calculate new total_colors if Ncolors[j] is incremented */ - temp = total_colors / Ncolors[j]; - temp *= Ncolors[j]+1; /* done in long arith to avoid oflo */ - if (temp > (long) max_colors) - break; /* won't fit, done with this pass */ - Ncolors[j]++; /* OK, apply the increment */ - total_colors = (int) temp; - changed = TRUE; - } - } while (changed); - - return total_colors; -} - - -LOCAL(int) -output_value (j_decompress_ptr cinfo, int ci, int j, int maxj) -/* Return j'th output value, where j will range from 0 to maxj */ -/* The output values must fall in 0..MAXJSAMPLE in increasing order */ -{ - /* We always provide values 0 and MAXJSAMPLE for each component; - * any additional values are equally spaced between these limits. - * (Forcing the upper and lower values to the limits ensures that - * dithering can't produce a color outside the selected gamut.) - */ - return (int) (((INT32) j * MAXJSAMPLE + maxj/2) / maxj); -} - - -LOCAL(int) -largest_input_value (j_decompress_ptr cinfo, int ci, int j, int maxj) -/* Return largest input value that should map to j'th output value */ -/* Must have largest(j=0) >= 0, and largest(j=maxj) >= MAXJSAMPLE */ -{ - /* Breakpoints are halfway between values returned by output_value */ - return (int) (((INT32) (2*j + 1) * MAXJSAMPLE + maxj) / (2*maxj)); -} - - -/* - * Create the colormap. - */ - -LOCAL(void) -create_colormap (j_decompress_ptr cinfo) -{ - my_cquantize_ptr cquantize = (my_cquantize_ptr) cinfo->cquantize; - JSAMPARRAY colormap; /* Created colormap */ - int total_colors; /* Number of distinct output colors */ - int i,j,k, nci, blksize, blkdist, ptr, val; - - /* Select number of colors for each component */ - total_colors = select_ncolors(cinfo, cquantize->Ncolors); - - /* Report selected color counts */ - if (cinfo->out_color_components == 3) - TRACEMS4(cinfo, 1, JTRC_QUANT_3_NCOLORS, - total_colors, cquantize->Ncolors[0], - cquantize->Ncolors[1], cquantize->Ncolors[2]); - else - TRACEMS1(cinfo, 1, JTRC_QUANT_NCOLORS, total_colors); - - /* Allocate and fill in the colormap. */ - /* The colors are ordered in the map in standard row-major order, */ - /* i.e. rightmost (highest-indexed) color changes most rapidly. */ - - colormap = (*cinfo->mem->alloc_sarray) - ((j_common_ptr) cinfo, JPOOL_IMAGE, - (JDIMENSION) total_colors, (JDIMENSION) cinfo->out_color_components); - - /* blksize is number of adjacent repeated entries for a component */ - /* blkdist is distance between groups of identical entries for a component */ - blkdist = total_colors; - - for (i = 0; i < cinfo->out_color_components; i++) { - /* fill in colormap entries for i'th color component */ - nci = cquantize->Ncolors[i]; /* # of distinct values for this color */ - blksize = blkdist / nci; - for (j = 0; j < nci; j++) { - /* Compute j'th output value (out of nci) for component */ - val = output_value(cinfo, i, j, nci-1); - /* Fill in all colormap entries that have this value of this component */ - for (ptr = j * blksize; ptr < total_colors; ptr += blkdist) { - /* fill in blksize entries beginning at ptr */ - for (k = 0; k < blksize; k++) - colormap[i][ptr+k] = (JSAMPLE) val; - } - } - blkdist = blksize; /* blksize of this color is blkdist of next */ - } - - /* Save the colormap in private storage, - * where it will survive color quantization mode changes. - */ - cquantize->sv_colormap = colormap; - cquantize->sv_actual = total_colors; -} - - -/* - * Create the color index table. - */ - -LOCAL(void) -create_colorindex (j_decompress_ptr cinfo) -{ - my_cquantize_ptr cquantize = (my_cquantize_ptr) cinfo->cquantize; - JSAMPROW indexptr; - int i,j,k, nci, blksize, val, pad; - - /* For ordered dither, we pad the color index tables by MAXJSAMPLE in - * each direction (input index values can be -MAXJSAMPLE .. 2*MAXJSAMPLE). - * This is not necessary in the other dithering modes. However, we - * flag whether it was done in case user changes dithering mode. - */ - if (cinfo->dither_mode == JDITHER_ORDERED) { - pad = MAXJSAMPLE*2; - cquantize->is_padded = TRUE; - } else { - pad = 0; - cquantize->is_padded = FALSE; - } - - cquantize->colorindex = (*cinfo->mem->alloc_sarray) - ((j_common_ptr) cinfo, JPOOL_IMAGE, - (JDIMENSION) (MAXJSAMPLE+1 + pad), - (JDIMENSION) cinfo->out_color_components); - - /* blksize is number of adjacent repeated entries for a component */ - blksize = cquantize->sv_actual; - - for (i = 0; i < cinfo->out_color_components; i++) { - /* fill in colorindex entries for i'th color component */ - nci = cquantize->Ncolors[i]; /* # of distinct values for this color */ - blksize = blksize / nci; - - /* adjust colorindex pointers to provide padding at negative indexes. */ - if (pad) - cquantize->colorindex[i] += MAXJSAMPLE; - - /* in loop, val = index of current output value, */ - /* and k = largest j that maps to current val */ - indexptr = cquantize->colorindex[i]; - val = 0; - k = largest_input_value(cinfo, i, 0, nci-1); - for (j = 0; j <= MAXJSAMPLE; j++) { - while (j > k) /* advance val if past boundary */ - k = largest_input_value(cinfo, i, ++val, nci-1); - /* premultiply so that no multiplication needed in main processing */ - indexptr[j] = (JSAMPLE) (val * blksize); - } - /* Pad at both ends if necessary */ - if (pad) - for (j = 1; j <= MAXJSAMPLE; j++) { - indexptr[-j] = indexptr[0]; - indexptr[MAXJSAMPLE+j] = indexptr[MAXJSAMPLE]; - } - } -} - - -/* - * Create an ordered-dither array for a component having ncolors - * distinct output values. - */ - -LOCAL(ODITHER_MATRIX_PTR) -make_odither_array (j_decompress_ptr cinfo, int ncolors) -{ - ODITHER_MATRIX_PTR odither; - int j,k; - INT32 num,den; - - odither = (ODITHER_MATRIX_PTR) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(ODITHER_MATRIX)); - /* The inter-value distance for this color is MAXJSAMPLE/(ncolors-1). - * Hence the dither value for the matrix cell with fill order f - * (f=0..N-1) should be (N-1-2*f)/(2*N) * MAXJSAMPLE/(ncolors-1). - * On 16-bit-int machine, be careful to avoid overflow. - */ - den = 2 * ODITHER_CELLS * ((INT32) (ncolors - 1)); - for (j = 0; j < ODITHER_SIZE; j++) { - for (k = 0; k < ODITHER_SIZE; k++) { - num = ((INT32) (ODITHER_CELLS-1 - 2*((int)base_dither_matrix[j][k]))) - * MAXJSAMPLE; - /* Ensure round towards zero despite C's lack of consistency - * about rounding negative values in integer division... - */ - odither[j][k] = (int) (num<0 ? -((-num)/den) : num/den); - } - } - return odither; -} - - -/* - * Create the ordered-dither tables. - * Components having the same number of representative colors may - * share a dither table. - */ - -LOCAL(void) -create_odither_tables (j_decompress_ptr cinfo) -{ - my_cquantize_ptr cquantize = (my_cquantize_ptr) cinfo->cquantize; - ODITHER_MATRIX_PTR odither; - int i, j, nci; - - for (i = 0; i < cinfo->out_color_components; i++) { - nci = cquantize->Ncolors[i]; /* # of distinct values for this color */ - odither = NULL; /* search for matching prior component */ - for (j = 0; j < i; j++) { - if (nci == cquantize->Ncolors[j]) { - odither = cquantize->odither[j]; - break; - } - } - if (odither == NULL) /* need a new table? */ - odither = make_odither_array(cinfo, nci); - cquantize->odither[i] = odither; - } -} - - -/* - * Map some rows of pixels to the output colormapped representation. - */ - -METHODDEF(void) -color_quantize (j_decompress_ptr cinfo, JSAMPARRAY input_buf, - JSAMPARRAY output_buf, int num_rows) -/* General case, no dithering */ -{ - my_cquantize_ptr cquantize = (my_cquantize_ptr) cinfo->cquantize; - JSAMPARRAY colorindex = cquantize->colorindex; - register int pixcode, ci; - register JSAMPROW ptrin, ptrout; - int row; - JDIMENSION col; - JDIMENSION width = cinfo->output_width; - register int nc = cinfo->out_color_components; - - for (row = 0; row < num_rows; row++) { - ptrin = input_buf[row]; - ptrout = output_buf[row]; - for (col = width; col > 0; col--) { - pixcode = 0; - for (ci = 0; ci < nc; ci++) { - pixcode += GETJSAMPLE(colorindex[ci][GETJSAMPLE(*ptrin++)]); - } - *ptrout++ = (JSAMPLE) pixcode; - } - } -} - - -METHODDEF(void) -color_quantize3 (j_decompress_ptr cinfo, JSAMPARRAY input_buf, - JSAMPARRAY output_buf, int num_rows) -/* Fast path for out_color_components==3, no dithering */ -{ - my_cquantize_ptr cquantize = (my_cquantize_ptr) cinfo->cquantize; - register int pixcode; - register JSAMPROW ptrin, ptrout; - JSAMPROW colorindex0 = cquantize->colorindex[0]; - JSAMPROW colorindex1 = cquantize->colorindex[1]; - JSAMPROW colorindex2 = cquantize->colorindex[2]; - int row; - JDIMENSION col; - JDIMENSION width = cinfo->output_width; - - for (row = 0; row < num_rows; row++) { - ptrin = input_buf[row]; - ptrout = output_buf[row]; - for (col = width; col > 0; col--) { - pixcode = GETJSAMPLE(colorindex0[GETJSAMPLE(*ptrin++)]); - pixcode += GETJSAMPLE(colorindex1[GETJSAMPLE(*ptrin++)]); - pixcode += GETJSAMPLE(colorindex2[GETJSAMPLE(*ptrin++)]); - *ptrout++ = (JSAMPLE) pixcode; - } - } -} - - -METHODDEF(void) -quantize_ord_dither (j_decompress_ptr cinfo, JSAMPARRAY input_buf, - JSAMPARRAY output_buf, int num_rows) -/* General case, with ordered dithering */ -{ - my_cquantize_ptr cquantize = (my_cquantize_ptr) cinfo->cquantize; - register JSAMPROW input_ptr; - register JSAMPROW output_ptr; - JSAMPROW colorindex_ci; - int * dither; /* points to active row of dither matrix */ - int row_index, col_index; /* current indexes into dither matrix */ - int nc = cinfo->out_color_components; - int ci; - int row; - JDIMENSION col; - JDIMENSION width = cinfo->output_width; - - for (row = 0; row < num_rows; row++) { - /* Initialize output values to 0 so can process components separately */ - jzero_far((void FAR *) output_buf[row], - (size_t) (width * SIZEOF(JSAMPLE))); - row_index = cquantize->row_index; - for (ci = 0; ci < nc; ci++) { - input_ptr = input_buf[row] + ci; - output_ptr = output_buf[row]; - colorindex_ci = cquantize->colorindex[ci]; - dither = cquantize->odither[ci][row_index]; - col_index = 0; - - for (col = width; col > 0; col--) { - /* Form pixel value + dither, range-limit to 0..MAXJSAMPLE, - * select output value, accumulate into output code for this pixel. - * Range-limiting need not be done explicitly, as we have extended - * the colorindex table to produce the right answers for out-of-range - * inputs. The maximum dither is +- MAXJSAMPLE; this sets the - * required amount of padding. - */ - *output_ptr += colorindex_ci[GETJSAMPLE(*input_ptr)+dither[col_index]]; - input_ptr += nc; - output_ptr++; - col_index = (col_index + 1) & ODITHER_MASK; - } - } - /* Advance row index for next row */ - row_index = (row_index + 1) & ODITHER_MASK; - cquantize->row_index = row_index; - } -} - - -METHODDEF(void) -quantize3_ord_dither (j_decompress_ptr cinfo, JSAMPARRAY input_buf, - JSAMPARRAY output_buf, int num_rows) -/* Fast path for out_color_components==3, with ordered dithering */ -{ - my_cquantize_ptr cquantize = (my_cquantize_ptr) cinfo->cquantize; - register int pixcode; - register JSAMPROW input_ptr; - register JSAMPROW output_ptr; - JSAMPROW colorindex0 = cquantize->colorindex[0]; - JSAMPROW colorindex1 = cquantize->colorindex[1]; - JSAMPROW colorindex2 = cquantize->colorindex[2]; - int * dither0; /* points to active row of dither matrix */ - int * dither1; - int * dither2; - int row_index, col_index; /* current indexes into dither matrix */ - int row; - JDIMENSION col; - JDIMENSION width = cinfo->output_width; - - for (row = 0; row < num_rows; row++) { - row_index = cquantize->row_index; - input_ptr = input_buf[row]; - output_ptr = output_buf[row]; - dither0 = cquantize->odither[0][row_index]; - dither1 = cquantize->odither[1][row_index]; - dither2 = cquantize->odither[2][row_index]; - col_index = 0; - - for (col = width; col > 0; col--) { - pixcode = GETJSAMPLE(colorindex0[GETJSAMPLE(*input_ptr++) + - dither0[col_index]]); - pixcode += GETJSAMPLE(colorindex1[GETJSAMPLE(*input_ptr++) + - dither1[col_index]]); - pixcode += GETJSAMPLE(colorindex2[GETJSAMPLE(*input_ptr++) + - dither2[col_index]]); - *output_ptr++ = (JSAMPLE) pixcode; - col_index = (col_index + 1) & ODITHER_MASK; - } - row_index = (row_index + 1) & ODITHER_MASK; - cquantize->row_index = row_index; - } -} - - -METHODDEF(void) -quantize_fs_dither (j_decompress_ptr cinfo, JSAMPARRAY input_buf, - JSAMPARRAY output_buf, int num_rows) -/* General case, with Floyd-Steinberg dithering */ -{ - my_cquantize_ptr cquantize = (my_cquantize_ptr) cinfo->cquantize; - register LOCFSERROR cur; /* current error or pixel value */ - LOCFSERROR belowerr; /* error for pixel below cur */ - LOCFSERROR bpreverr; /* error for below/prev col */ - LOCFSERROR bnexterr; /* error for below/next col */ - LOCFSERROR delta; - register FSERRPTR errorptr; /* => fserrors[] at column before current */ - register JSAMPROW input_ptr; - register JSAMPROW output_ptr; - JSAMPROW colorindex_ci; - JSAMPROW colormap_ci; - int pixcode; - int nc = cinfo->out_color_components; - int dir; /* 1 for left-to-right, -1 for right-to-left */ - int dirnc; /* dir * nc */ - int ci; - int row; - JDIMENSION col; - JDIMENSION width = cinfo->output_width; - JSAMPLE *range_limit = cinfo->sample_range_limit; - SHIFT_TEMPS - - for (row = 0; row < num_rows; row++) { - /* Initialize output values to 0 so can process components separately */ - jzero_far((void FAR *) output_buf[row], - (size_t) (width * SIZEOF(JSAMPLE))); - for (ci = 0; ci < nc; ci++) { - input_ptr = input_buf[row] + ci; - output_ptr = output_buf[row]; - if (cquantize->on_odd_row) { - /* work right to left in this row */ - input_ptr += (width-1) * nc; /* so point to rightmost pixel */ - output_ptr += width-1; - dir = -1; - dirnc = -nc; - errorptr = cquantize->fserrors[ci] + (width+1); /* => entry after last column */ - } else { - /* work left to right in this row */ - dir = 1; - dirnc = nc; - errorptr = cquantize->fserrors[ci]; /* => entry before first column */ - } - colorindex_ci = cquantize->colorindex[ci]; - colormap_ci = cquantize->sv_colormap[ci]; - /* Preset error values: no error propagated to first pixel from left */ - cur = 0; - /* and no error propagated to row below yet */ - belowerr = bpreverr = 0; - - for (col = width; col > 0; col--) { - /* cur holds the error propagated from the previous pixel on the - * current line. Add the error propagated from the previous line - * to form the complete error correction term for this pixel, and - * round the error term (which is expressed * 16) to an integer. - * RIGHT_SHIFT rounds towards minus infinity, so adding 8 is correct - * for either sign of the error value. - * Note: errorptr points to *previous* column's array entry. - */ - cur = RIGHT_SHIFT(cur + errorptr[dir] + 8, 4); - /* Form pixel value + error, and range-limit to 0..MAXJSAMPLE. - * The maximum error is +- MAXJSAMPLE; this sets the required size - * of the range_limit array. - */ - cur += GETJSAMPLE(*input_ptr); - cur = GETJSAMPLE(range_limit[cur]); - /* Select output value, accumulate into output code for this pixel */ - pixcode = GETJSAMPLE(colorindex_ci[cur]); - *output_ptr += (JSAMPLE) pixcode; - /* Compute actual representation error at this pixel */ - /* Note: we can do this even though we don't have the final */ - /* pixel code, because the colormap is orthogonal. */ - cur -= GETJSAMPLE(colormap_ci[pixcode]); - /* Compute error fractions to be propagated to adjacent pixels. - * Add these into the running sums, and simultaneously shift the - * next-line error sums left by 1 column. - */ - bnexterr = cur; - delta = cur * 2; - cur += delta; /* form error * 3 */ - errorptr[0] = (FSERROR) (bpreverr + cur); - cur += delta; /* form error * 5 */ - bpreverr = belowerr + cur; - belowerr = bnexterr; - cur += delta; /* form error * 7 */ - /* At this point cur contains the 7/16 error value to be propagated - * to the next pixel on the current line, and all the errors for the - * next line have been shifted over. We are therefore ready to move on. - */ - input_ptr += dirnc; /* advance input ptr to next column */ - output_ptr += dir; /* advance output ptr to next column */ - errorptr += dir; /* advance errorptr to current column */ - } - /* Post-loop cleanup: we must unload the final error value into the - * final fserrors[] entry. Note we need not unload belowerr because - * it is for the dummy column before or after the actual array. - */ - errorptr[0] = (FSERROR) bpreverr; /* unload prev err into array */ - } - cquantize->on_odd_row = (cquantize->on_odd_row ? FALSE : TRUE); - } -} - - -/* - * Allocate workspace for Floyd-Steinberg errors. - */ - -LOCAL(void) -alloc_fs_workspace (j_decompress_ptr cinfo) -{ - my_cquantize_ptr cquantize = (my_cquantize_ptr) cinfo->cquantize; - size_t arraysize; - int i; - - arraysize = (size_t) ((cinfo->output_width + 2) * SIZEOF(FSERROR)); - for (i = 0; i < cinfo->out_color_components; i++) { - cquantize->fserrors[i] = (FSERRPTR) - (*cinfo->mem->alloc_large)((j_common_ptr) cinfo, JPOOL_IMAGE, arraysize); - } -} - - -/* - * Initialize for one-pass color quantization. - */ - -METHODDEF(void) -start_pass_1_quant (j_decompress_ptr cinfo, boolean is_pre_scan) -{ - my_cquantize_ptr cquantize = (my_cquantize_ptr) cinfo->cquantize; - size_t arraysize; - int i; - - /* Install my colormap. */ - cinfo->colormap = cquantize->sv_colormap; - cinfo->actual_number_of_colors = cquantize->sv_actual; - - /* Initialize for desired dithering mode. */ - switch (cinfo->dither_mode) { - case JDITHER_NONE: - if (cinfo->out_color_components == 3) - cquantize->pub.color_quantize = color_quantize3; - else - cquantize->pub.color_quantize = color_quantize; - break; - case JDITHER_ORDERED: - if (cinfo->out_color_components == 3) - cquantize->pub.color_quantize = quantize3_ord_dither; - else - cquantize->pub.color_quantize = quantize_ord_dither; - cquantize->row_index = 0; /* initialize state for ordered dither */ - /* If user changed to ordered dither from another mode, - * we must recreate the color index table with padding. - * This will cost extra space, but probably isn't very likely. - */ - if (! cquantize->is_padded) - create_colorindex(cinfo); - /* Create ordered-dither tables if we didn't already. */ - if (cquantize->odither[0] == NULL) - create_odither_tables(cinfo); - break; - case JDITHER_FS: - cquantize->pub.color_quantize = quantize_fs_dither; - cquantize->on_odd_row = FALSE; /* initialize state for F-S dither */ - /* Allocate Floyd-Steinberg workspace if didn't already. */ - if (cquantize->fserrors[0] == NULL) - alloc_fs_workspace(cinfo); - /* Initialize the propagated errors to zero. */ - arraysize = (size_t) ((cinfo->output_width + 2) * SIZEOF(FSERROR)); - for (i = 0; i < cinfo->out_color_components; i++) - jzero_far((void FAR *) cquantize->fserrors[i], arraysize); - break; - default: - ERREXIT(cinfo, JERR_NOT_COMPILED); - break; - } -} - - -/* - * Finish up at the end of the pass. - */ - -METHODDEF(void) -finish_pass_1_quant (j_decompress_ptr cinfo) -{ - /* no work in 1-pass case */ -} - - -/* - * Switch to a new external colormap between output passes. - * Shouldn't get to this module! - */ - -METHODDEF(void) -new_color_map_1_quant (j_decompress_ptr cinfo) -{ - ERREXIT(cinfo, JERR_MODE_CHANGE); -} - - -/* - * Module initialization routine for 1-pass color quantization. - */ - -GLOBAL(void) -jinit_1pass_quantizer (j_decompress_ptr cinfo) -{ - my_cquantize_ptr cquantize; - - cquantize = (my_cquantize_ptr) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(my_cquantizer)); - cinfo->cquantize = (struct jpeg_color_quantizer *) cquantize; - cquantize->pub.start_pass = start_pass_1_quant; - cquantize->pub.finish_pass = finish_pass_1_quant; - cquantize->pub.new_color_map = new_color_map_1_quant; - cquantize->fserrors[0] = NULL; /* Flag FS workspace not allocated */ - cquantize->odither[0] = NULL; /* Also flag odither arrays not allocated */ - - /* Make sure my internal arrays won't overflow */ - if (cinfo->out_color_components > MAX_Q_COMPS) - ERREXIT1(cinfo, JERR_QUANT_COMPONENTS, MAX_Q_COMPS); - /* Make sure colormap indexes can be represented by JSAMPLEs */ - if (cinfo->desired_number_of_colors > (MAXJSAMPLE+1)) - ERREXIT1(cinfo, JERR_QUANT_MANY_COLORS, MAXJSAMPLE+1); - - /* Create the colormap and color index table. */ - create_colormap(cinfo); - create_colorindex(cinfo); - - /* Allocate Floyd-Steinberg workspace now if requested. - * We do this now since it is FAR storage and may affect the memory - * manager's space calculations. If the user changes to FS dither - * mode in a later pass, we will allocate the space then, and will - * possibly overrun the max_memory_to_use setting. - */ - if (cinfo->dither_mode == JDITHER_FS) - alloc_fs_workspace(cinfo); -} - -#endif /* QUANT_1PASS_SUPPORTED */ diff --git a/common/jpeg/jquant2.c b/common/jpeg/jquant2.c deleted file mode 100644 index da964f7d..00000000 --- a/common/jpeg/jquant2.c +++ /dev/null @@ -1,1293 +0,0 @@ -/* - * jquant2.c - * - * Copyright (C) 1991-1996, Thomas G. Lane. - * Copyright (C) 2009, D. R. Commander. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains 2-pass color quantization (color mapping) routines. - * These routines provide selection of a custom color map for an image, - * followed by mapping of the image to that color map, with optional - * Floyd-Steinberg dithering. - * It is also possible to use just the second pass to map to an arbitrary - * externally-given color map. - * - * Note: ordered dithering is not supported, since there isn't any fast - * way to compute intercolor distances; it's unclear that ordered dither's - * fundamental assumptions even hold with an irregularly spaced color map. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" - -#ifdef QUANT_2PASS_SUPPORTED - - -/* - * This module implements the well-known Heckbert paradigm for color - * quantization. Most of the ideas used here can be traced back to - * Heckbert's seminal paper - * Heckbert, Paul. "Color Image Quantization for Frame Buffer Display", - * Proc. SIGGRAPH '82, Computer Graphics v.16 #3 (July 1982), pp 297-304. - * - * In the first pass over the image, we accumulate a histogram showing the - * usage count of each possible color. To keep the histogram to a reasonable - * size, we reduce the precision of the input; typical practice is to retain - * 5 or 6 bits per color, so that 8 or 4 different input values are counted - * in the same histogram cell. - * - * Next, the color-selection step begins with a box representing the whole - * color space, and repeatedly splits the "largest" remaining box until we - * have as many boxes as desired colors. Then the mean color in each - * remaining box becomes one of the possible output colors. - * - * The second pass over the image maps each input pixel to the closest output - * color (optionally after applying a Floyd-Steinberg dithering correction). - * This mapping is logically trivial, but making it go fast enough requires - * considerable care. - * - * Heckbert-style quantizers vary a good deal in their policies for choosing - * the "largest" box and deciding where to cut it. The particular policies - * used here have proved out well in experimental comparisons, but better ones - * may yet be found. - * - * In earlier versions of the IJG code, this module quantized in YCbCr color - * space, processing the raw upsampled data without a color conversion step. - * This allowed the color conversion math to be done only once per colormap - * entry, not once per pixel. However, that optimization precluded other - * useful optimizations (such as merging color conversion with upsampling) - * and it also interfered with desired capabilities such as quantizing to an - * externally-supplied colormap. We have therefore abandoned that approach. - * The present code works in the post-conversion color space, typically RGB. - * - * To improve the visual quality of the results, we actually work in scaled - * RGB space, giving G distances more weight than R, and R in turn more than - * B. To do everything in integer math, we must use integer scale factors. - * The 2/3/1 scale factors used here correspond loosely to the relative - * weights of the colors in the NTSC grayscale equation. - * If you want to use this code to quantize a non-RGB color space, you'll - * probably need to change these scale factors. - */ - -#define R_SCALE 2 /* scale R distances by this much */ -#define G_SCALE 3 /* scale G distances by this much */ -#define B_SCALE 1 /* and B by this much */ - -static const int c_scales[3]={R_SCALE, G_SCALE, B_SCALE}; -#define C0_SCALE c_scales[rgb_red[cinfo->out_color_space]] -#define C1_SCALE c_scales[rgb_green[cinfo->out_color_space]] -#define C2_SCALE c_scales[rgb_blue[cinfo->out_color_space]] - -/* - * First we have the histogram data structure and routines for creating it. - * - * The number of bits of precision can be adjusted by changing these symbols. - * We recommend keeping 6 bits for G and 5 each for R and B. - * If you have plenty of memory and cycles, 6 bits all around gives marginally - * better results; if you are short of memory, 5 bits all around will save - * some space but degrade the results. - * To maintain a fully accurate histogram, we'd need to allocate a "long" - * (preferably unsigned long) for each cell. In practice this is overkill; - * we can get by with 16 bits per cell. Few of the cell counts will overflow, - * and clamping those that do overflow to the maximum value will give close- - * enough results. This reduces the recommended histogram size from 256Kb - * to 128Kb, which is a useful savings on PC-class machines. - * (In the second pass the histogram space is re-used for pixel mapping data; - * in that capacity, each cell must be able to store zero to the number of - * desired colors. 16 bits/cell is plenty for that too.) - * Since the JPEG code is intended to run in small memory model on 80x86 - * machines, we can't just allocate the histogram in one chunk. Instead - * of a true 3-D array, we use a row of pointers to 2-D arrays. Each - * pointer corresponds to a C0 value (typically 2^5 = 32 pointers) and - * each 2-D array has 2^6*2^5 = 2048 or 2^6*2^6 = 4096 entries. Note that - * on 80x86 machines, the pointer row is in near memory but the actual - * arrays are in far memory (same arrangement as we use for image arrays). - */ - -#define MAXNUMCOLORS (MAXJSAMPLE+1) /* maximum size of colormap */ - -/* These will do the right thing for either R,G,B or B,G,R color order, - * but you may not like the results for other color orders. - */ -#define HIST_C0_BITS 5 /* bits of precision in R/B histogram */ -#define HIST_C1_BITS 6 /* bits of precision in G histogram */ -#define HIST_C2_BITS 5 /* bits of precision in B/R histogram */ - -/* Number of elements along histogram axes. */ -#define HIST_C0_ELEMS (1<<HIST_C0_BITS) -#define HIST_C1_ELEMS (1<<HIST_C1_BITS) -#define HIST_C2_ELEMS (1<<HIST_C2_BITS) - -/* These are the amounts to shift an input value to get a histogram index. */ -#define C0_SHIFT (BITS_IN_JSAMPLE-HIST_C0_BITS) -#define C1_SHIFT (BITS_IN_JSAMPLE-HIST_C1_BITS) -#define C2_SHIFT (BITS_IN_JSAMPLE-HIST_C2_BITS) - - -typedef UINT16 histcell; /* histogram cell; prefer an unsigned type */ - -typedef histcell FAR * histptr; /* for pointers to histogram cells */ - -typedef histcell hist1d[HIST_C2_ELEMS]; /* typedefs for the array */ -typedef hist1d FAR * hist2d; /* type for the 2nd-level pointers */ -typedef hist2d * hist3d; /* type for top-level pointer */ - - -/* Declarations for Floyd-Steinberg dithering. - * - * Errors are accumulated into the array fserrors[], at a resolution of - * 1/16th of a pixel count. The error at a given pixel is propagated - * to its not-yet-processed neighbors using the standard F-S fractions, - * ... (here) 7/16 - * 3/16 5/16 1/16 - * We work left-to-right on even rows, right-to-left on odd rows. - * - * We can get away with a single array (holding one row's worth of errors) - * by using it to store the current row's errors at pixel columns not yet - * processed, but the next row's errors at columns already processed. We - * need only a few extra variables to hold the errors immediately around the - * current column. (If we are lucky, those variables are in registers, but - * even if not, they're probably cheaper to access than array elements are.) - * - * The fserrors[] array has (#columns + 2) entries; the extra entry at - * each end saves us from special-casing the first and last pixels. - * Each entry is three values long, one value for each color component. - * - * Note: on a wide image, we might not have enough room in a PC's near data - * segment to hold the error array; so it is allocated with alloc_large. - */ - -#if BITS_IN_JSAMPLE == 8 -typedef INT16 FSERROR; /* 16 bits should be enough */ -typedef int LOCFSERROR; /* use 'int' for calculation temps */ -#else -typedef INT32 FSERROR; /* may need more than 16 bits */ -typedef INT32 LOCFSERROR; /* be sure calculation temps are big enough */ -#endif - -typedef FSERROR FAR *FSERRPTR; /* pointer to error array (in FAR storage!) */ - - -/* Private subobject */ - -typedef struct { - struct jpeg_color_quantizer pub; /* public fields */ - - /* Space for the eventually created colormap is stashed here */ - JSAMPARRAY sv_colormap; /* colormap allocated at init time */ - int desired; /* desired # of colors = size of colormap */ - - /* Variables for accumulating image statistics */ - hist3d histogram; /* pointer to the histogram */ - - boolean needs_zeroed; /* TRUE if next pass must zero histogram */ - - /* Variables for Floyd-Steinberg dithering */ - FSERRPTR fserrors; /* accumulated errors */ - boolean on_odd_row; /* flag to remember which row we are on */ - int * error_limiter; /* table for clamping the applied error */ -} my_cquantizer; - -typedef my_cquantizer * my_cquantize_ptr; - - -/* - * Prescan some rows of pixels. - * In this module the prescan simply updates the histogram, which has been - * initialized to zeroes by start_pass. - * An output_buf parameter is required by the method signature, but no data - * is actually output (in fact the buffer controller is probably passing a - * NULL pointer). - */ - -METHODDEF(void) -prescan_quantize (j_decompress_ptr cinfo, JSAMPARRAY input_buf, - JSAMPARRAY output_buf, int num_rows) -{ - my_cquantize_ptr cquantize = (my_cquantize_ptr) cinfo->cquantize; - register JSAMPROW ptr; - register histptr histp; - register hist3d histogram = cquantize->histogram; - int row; - JDIMENSION col; - JDIMENSION width = cinfo->output_width; - - for (row = 0; row < num_rows; row++) { - ptr = input_buf[row]; - for (col = width; col > 0; col--) { - /* get pixel value and index into the histogram */ - histp = & histogram[GETJSAMPLE(ptr[0]) >> C0_SHIFT] - [GETJSAMPLE(ptr[1]) >> C1_SHIFT] - [GETJSAMPLE(ptr[2]) >> C2_SHIFT]; - /* increment, check for overflow and undo increment if so. */ - if (++(*histp) <= 0) - (*histp)--; - ptr += 3; - } - } -} - - -/* - * Next we have the really interesting routines: selection of a colormap - * given the completed histogram. - * These routines work with a list of "boxes", each representing a rectangular - * subset of the input color space (to histogram precision). - */ - -typedef struct { - /* The bounds of the box (inclusive); expressed as histogram indexes */ - int c0min, c0max; - int c1min, c1max; - int c2min, c2max; - /* The volume (actually 2-norm) of the box */ - INT32 volume; - /* The number of nonzero histogram cells within this box */ - long colorcount; -} box; - -typedef box * boxptr; - - -LOCAL(boxptr) -find_biggest_color_pop (boxptr boxlist, int numboxes) -/* Find the splittable box with the largest color population */ -/* Returns NULL if no splittable boxes remain */ -{ - register boxptr boxp; - register int i; - register long maxc = 0; - boxptr which = NULL; - - for (i = 0, boxp = boxlist; i < numboxes; i++, boxp++) { - if (boxp->colorcount > maxc && boxp->volume > 0) { - which = boxp; - maxc = boxp->colorcount; - } - } - return which; -} - - -LOCAL(boxptr) -find_biggest_volume (boxptr boxlist, int numboxes) -/* Find the splittable box with the largest (scaled) volume */ -/* Returns NULL if no splittable boxes remain */ -{ - register boxptr boxp; - register int i; - register INT32 maxv = 0; - boxptr which = NULL; - - for (i = 0, boxp = boxlist; i < numboxes; i++, boxp++) { - if (boxp->volume > maxv) { - which = boxp; - maxv = boxp->volume; - } - } - return which; -} - - -LOCAL(void) -update_box (j_decompress_ptr cinfo, boxptr boxp) -/* Shrink the min/max bounds of a box to enclose only nonzero elements, */ -/* and recompute its volume and population */ -{ - my_cquantize_ptr cquantize = (my_cquantize_ptr) cinfo->cquantize; - hist3d histogram = cquantize->histogram; - histptr histp; - int c0,c1,c2; - int c0min,c0max,c1min,c1max,c2min,c2max; - INT32 dist0,dist1,dist2; - long ccount; - - c0min = boxp->c0min; c0max = boxp->c0max; - c1min = boxp->c1min; c1max = boxp->c1max; - c2min = boxp->c2min; c2max = boxp->c2max; - - if (c0max > c0min) - for (c0 = c0min; c0 <= c0max; c0++) - for (c1 = c1min; c1 <= c1max; c1++) { - histp = & histogram[c0][c1][c2min]; - for (c2 = c2min; c2 <= c2max; c2++) - if (*histp++ != 0) { - boxp->c0min = c0min = c0; - goto have_c0min; - } - } - have_c0min: - if (c0max > c0min) - for (c0 = c0max; c0 >= c0min; c0--) - for (c1 = c1min; c1 <= c1max; c1++) { - histp = & histogram[c0][c1][c2min]; - for (c2 = c2min; c2 <= c2max; c2++) - if (*histp++ != 0) { - boxp->c0max = c0max = c0; - goto have_c0max; - } - } - have_c0max: - if (c1max > c1min) - for (c1 = c1min; c1 <= c1max; c1++) - for (c0 = c0min; c0 <= c0max; c0++) { - histp = & histogram[c0][c1][c2min]; - for (c2 = c2min; c2 <= c2max; c2++) - if (*histp++ != 0) { - boxp->c1min = c1min = c1; - goto have_c1min; - } - } - have_c1min: - if (c1max > c1min) - for (c1 = c1max; c1 >= c1min; c1--) - for (c0 = c0min; c0 <= c0max; c0++) { - histp = & histogram[c0][c1][c2min]; - for (c2 = c2min; c2 <= c2max; c2++) - if (*histp++ != 0) { - boxp->c1max = c1max = c1; - goto have_c1max; - } - } - have_c1max: - if (c2max > c2min) - for (c2 = c2min; c2 <= c2max; c2++) - for (c0 = c0min; c0 <= c0max; c0++) { - histp = & histogram[c0][c1min][c2]; - for (c1 = c1min; c1 <= c1max; c1++, histp += HIST_C2_ELEMS) - if (*histp != 0) { - boxp->c2min = c2min = c2; - goto have_c2min; - } - } - have_c2min: - if (c2max > c2min) - for (c2 = c2max; c2 >= c2min; c2--) - for (c0 = c0min; c0 <= c0max; c0++) { - histp = & histogram[c0][c1min][c2]; - for (c1 = c1min; c1 <= c1max; c1++, histp += HIST_C2_ELEMS) - if (*histp != 0) { - boxp->c2max = c2max = c2; - goto have_c2max; - } - } - have_c2max: - - /* Update box volume. - * We use 2-norm rather than real volume here; this biases the method - * against making long narrow boxes, and it has the side benefit that - * a box is splittable iff norm > 0. - * Since the differences are expressed in histogram-cell units, - * we have to shift back to JSAMPLE units to get consistent distances; - * after which, we scale according to the selected distance scale factors. - */ - dist0 = ((c0max - c0min) << C0_SHIFT) * C0_SCALE; - dist1 = ((c1max - c1min) << C1_SHIFT) * C1_SCALE; - dist2 = ((c2max - c2min) << C2_SHIFT) * C2_SCALE; - boxp->volume = dist0*dist0 + dist1*dist1 + dist2*dist2; - - /* Now scan remaining volume of box and compute population */ - ccount = 0; - for (c0 = c0min; c0 <= c0max; c0++) - for (c1 = c1min; c1 <= c1max; c1++) { - histp = & histogram[c0][c1][c2min]; - for (c2 = c2min; c2 <= c2max; c2++, histp++) - if (*histp != 0) { - ccount++; - } - } - boxp->colorcount = ccount; -} - - -LOCAL(int) -median_cut (j_decompress_ptr cinfo, boxptr boxlist, int numboxes, - int desired_colors) -/* Repeatedly select and split the largest box until we have enough boxes */ -{ - int n,lb; - int c0,c1,c2,cmax; - register boxptr b1,b2; - - while (numboxes < desired_colors) { - /* Select box to split. - * Current algorithm: by population for first half, then by volume. - */ - if (numboxes*2 <= desired_colors) { - b1 = find_biggest_color_pop(boxlist, numboxes); - } else { - b1 = find_biggest_volume(boxlist, numboxes); - } - if (b1 == NULL) /* no splittable boxes left! */ - break; - b2 = &boxlist[numboxes]; /* where new box will go */ - /* Copy the color bounds to the new box. */ - b2->c0max = b1->c0max; b2->c1max = b1->c1max; b2->c2max = b1->c2max; - b2->c0min = b1->c0min; b2->c1min = b1->c1min; b2->c2min = b1->c2min; - /* Choose which axis to split the box on. - * Current algorithm: longest scaled axis. - * See notes in update_box about scaling distances. - */ - c0 = ((b1->c0max - b1->c0min) << C0_SHIFT) * C0_SCALE; - c1 = ((b1->c1max - b1->c1min) << C1_SHIFT) * C1_SCALE; - c2 = ((b1->c2max - b1->c2min) << C2_SHIFT) * C2_SCALE; - /* We want to break any ties in favor of green, then red, blue last. - * This code does the right thing for R,G,B or B,G,R color orders only. - */ - if (rgb_red[cinfo->out_color_space] == 0) { - cmax = c1; n = 1; - if (c0 > cmax) { cmax = c0; n = 0; } - if (c2 > cmax) { n = 2; } - } - else { - cmax = c1; n = 1; - if (c2 > cmax) { cmax = c2; n = 2; } - if (c0 > cmax) { n = 0; } - } - /* Choose split point along selected axis, and update box bounds. - * Current algorithm: split at halfway point. - * (Since the box has been shrunk to minimum volume, - * any split will produce two nonempty subboxes.) - * Note that lb value is max for lower box, so must be < old max. - */ - switch (n) { - case 0: - lb = (b1->c0max + b1->c0min) / 2; - b1->c0max = lb; - b2->c0min = lb+1; - break; - case 1: - lb = (b1->c1max + b1->c1min) / 2; - b1->c1max = lb; - b2->c1min = lb+1; - break; - case 2: - lb = (b1->c2max + b1->c2min) / 2; - b1->c2max = lb; - b2->c2min = lb+1; - break; - } - /* Update stats for boxes */ - update_box(cinfo, b1); - update_box(cinfo, b2); - numboxes++; - } - return numboxes; -} - - -LOCAL(void) -compute_color (j_decompress_ptr cinfo, boxptr boxp, int icolor) -/* Compute representative color for a box, put it in colormap[icolor] */ -{ - /* Current algorithm: mean weighted by pixels (not colors) */ - /* Note it is important to get the rounding correct! */ - my_cquantize_ptr cquantize = (my_cquantize_ptr) cinfo->cquantize; - hist3d histogram = cquantize->histogram; - histptr histp; - int c0,c1,c2; - int c0min,c0max,c1min,c1max,c2min,c2max; - long count; - long total = 0; - long c0total = 0; - long c1total = 0; - long c2total = 0; - - c0min = boxp->c0min; c0max = boxp->c0max; - c1min = boxp->c1min; c1max = boxp->c1max; - c2min = boxp->c2min; c2max = boxp->c2max; - - for (c0 = c0min; c0 <= c0max; c0++) - for (c1 = c1min; c1 <= c1max; c1++) { - histp = & histogram[c0][c1][c2min]; - for (c2 = c2min; c2 <= c2max; c2++) { - if ((count = *histp++) != 0) { - total += count; - c0total += ((c0 << C0_SHIFT) + ((1<<C0_SHIFT)>>1)) * count; - c1total += ((c1 << C1_SHIFT) + ((1<<C1_SHIFT)>>1)) * count; - c2total += ((c2 << C2_SHIFT) + ((1<<C2_SHIFT)>>1)) * count; - } - } - } - - cinfo->colormap[0][icolor] = (JSAMPLE) ((c0total + (total>>1)) / total); - cinfo->colormap[1][icolor] = (JSAMPLE) ((c1total + (total>>1)) / total); - cinfo->colormap[2][icolor] = (JSAMPLE) ((c2total + (total>>1)) / total); -} - - -LOCAL(void) -select_colors (j_decompress_ptr cinfo, int desired_colors) -/* Master routine for color selection */ -{ - boxptr boxlist; - int numboxes; - int i; - - /* Allocate workspace for box list */ - boxlist = (boxptr) (*cinfo->mem->alloc_small) - ((j_common_ptr) cinfo, JPOOL_IMAGE, desired_colors * SIZEOF(box)); - /* Initialize one box containing whole space */ - numboxes = 1; - boxlist[0].c0min = 0; - boxlist[0].c0max = MAXJSAMPLE >> C0_SHIFT; - boxlist[0].c1min = 0; - boxlist[0].c1max = MAXJSAMPLE >> C1_SHIFT; - boxlist[0].c2min = 0; - boxlist[0].c2max = MAXJSAMPLE >> C2_SHIFT; - /* Shrink it to actually-used volume and set its statistics */ - update_box(cinfo, & boxlist[0]); - /* Perform median-cut to produce final box list */ - numboxes = median_cut(cinfo, boxlist, numboxes, desired_colors); - /* Compute the representative color for each box, fill colormap */ - for (i = 0; i < numboxes; i++) - compute_color(cinfo, & boxlist[i], i); - cinfo->actual_number_of_colors = numboxes; - TRACEMS1(cinfo, 1, JTRC_QUANT_SELECTED, numboxes); -} - - -/* - * These routines are concerned with the time-critical task of mapping input - * colors to the nearest color in the selected colormap. - * - * We re-use the histogram space as an "inverse color map", essentially a - * cache for the results of nearest-color searches. All colors within a - * histogram cell will be mapped to the same colormap entry, namely the one - * closest to the cell's center. This may not be quite the closest entry to - * the actual input color, but it's almost as good. A zero in the cache - * indicates we haven't found the nearest color for that cell yet; the array - * is cleared to zeroes before starting the mapping pass. When we find the - * nearest color for a cell, its colormap index plus one is recorded in the - * cache for future use. The pass2 scanning routines call fill_inverse_cmap - * when they need to use an unfilled entry in the cache. - * - * Our method of efficiently finding nearest colors is based on the "locally - * sorted search" idea described by Heckbert and on the incremental distance - * calculation described by Spencer W. Thomas in chapter III.1 of Graphics - * Gems II (James Arvo, ed. Academic Press, 1991). Thomas points out that - * the distances from a given colormap entry to each cell of the histogram can - * be computed quickly using an incremental method: the differences between - * distances to adjacent cells themselves differ by a constant. This allows a - * fairly fast implementation of the "brute force" approach of computing the - * distance from every colormap entry to every histogram cell. Unfortunately, - * it needs a work array to hold the best-distance-so-far for each histogram - * cell (because the inner loop has to be over cells, not colormap entries). - * The work array elements have to be INT32s, so the work array would need - * 256Kb at our recommended precision. This is not feasible in DOS machines. - * - * To get around these problems, we apply Thomas' method to compute the - * nearest colors for only the cells within a small subbox of the histogram. - * The work array need be only as big as the subbox, so the memory usage - * problem is solved. Furthermore, we need not fill subboxes that are never - * referenced in pass2; many images use only part of the color gamut, so a - * fair amount of work is saved. An additional advantage of this - * approach is that we can apply Heckbert's locality criterion to quickly - * eliminate colormap entries that are far away from the subbox; typically - * three-fourths of the colormap entries are rejected by Heckbert's criterion, - * and we need not compute their distances to individual cells in the subbox. - * The speed of this approach is heavily influenced by the subbox size: too - * small means too much overhead, too big loses because Heckbert's criterion - * can't eliminate as many colormap entries. Empirically the best subbox - * size seems to be about 1/512th of the histogram (1/8th in each direction). - * - * Thomas' article also describes a refined method which is asymptotically - * faster than the brute-force method, but it is also far more complex and - * cannot efficiently be applied to small subboxes. It is therefore not - * useful for programs intended to be portable to DOS machines. On machines - * with plenty of memory, filling the whole histogram in one shot with Thomas' - * refined method might be faster than the present code --- but then again, - * it might not be any faster, and it's certainly more complicated. - */ - - -/* log2(histogram cells in update box) for each axis; this can be adjusted */ -#define BOX_C0_LOG (HIST_C0_BITS-3) -#define BOX_C1_LOG (HIST_C1_BITS-3) -#define BOX_C2_LOG (HIST_C2_BITS-3) - -#define BOX_C0_ELEMS (1<<BOX_C0_LOG) /* # of hist cells in update box */ -#define BOX_C1_ELEMS (1<<BOX_C1_LOG) -#define BOX_C2_ELEMS (1<<BOX_C2_LOG) - -#define BOX_C0_SHIFT (C0_SHIFT + BOX_C0_LOG) -#define BOX_C1_SHIFT (C1_SHIFT + BOX_C1_LOG) -#define BOX_C2_SHIFT (C2_SHIFT + BOX_C2_LOG) - - -/* - * The next three routines implement inverse colormap filling. They could - * all be folded into one big routine, but splitting them up this way saves - * some stack space (the mindist[] and bestdist[] arrays need not coexist) - * and may allow some compilers to produce better code by registerizing more - * inner-loop variables. - */ - -LOCAL(int) -find_nearby_colors (j_decompress_ptr cinfo, int minc0, int minc1, int minc2, - JSAMPLE colorlist[]) -/* Locate the colormap entries close enough to an update box to be candidates - * for the nearest entry to some cell(s) in the update box. The update box - * is specified by the center coordinates of its first cell. The number of - * candidate colormap entries is returned, and their colormap indexes are - * placed in colorlist[]. - * This routine uses Heckbert's "locally sorted search" criterion to select - * the colors that need further consideration. - */ -{ - int numcolors = cinfo->actual_number_of_colors; - int maxc0, maxc1, maxc2; - int centerc0, centerc1, centerc2; - int i, x, ncolors; - INT32 minmaxdist, min_dist, max_dist, tdist; - INT32 mindist[MAXNUMCOLORS]; /* min distance to colormap entry i */ - - /* Compute true coordinates of update box's upper corner and center. - * Actually we compute the coordinates of the center of the upper-corner - * histogram cell, which are the upper bounds of the volume we care about. - * Note that since ">>" rounds down, the "center" values may be closer to - * min than to max; hence comparisons to them must be "<=", not "<". - */ - maxc0 = minc0 + ((1 << BOX_C0_SHIFT) - (1 << C0_SHIFT)); - centerc0 = (minc0 + maxc0) >> 1; - maxc1 = minc1 + ((1 << BOX_C1_SHIFT) - (1 << C1_SHIFT)); - centerc1 = (minc1 + maxc1) >> 1; - maxc2 = minc2 + ((1 << BOX_C2_SHIFT) - (1 << C2_SHIFT)); - centerc2 = (minc2 + maxc2) >> 1; - - /* For each color in colormap, find: - * 1. its minimum squared-distance to any point in the update box - * (zero if color is within update box); - * 2. its maximum squared-distance to any point in the update box. - * Both of these can be found by considering only the corners of the box. - * We save the minimum distance for each color in mindist[]; - * only the smallest maximum distance is of interest. - */ - minmaxdist = 0x7FFFFFFFL; - - for (i = 0; i < numcolors; i++) { - /* We compute the squared-c0-distance term, then add in the other two. */ - x = GETJSAMPLE(cinfo->colormap[0][i]); - if (x < minc0) { - tdist = (x - minc0) * C0_SCALE; - min_dist = tdist*tdist; - tdist = (x - maxc0) * C0_SCALE; - max_dist = tdist*tdist; - } else if (x > maxc0) { - tdist = (x - maxc0) * C0_SCALE; - min_dist = tdist*tdist; - tdist = (x - minc0) * C0_SCALE; - max_dist = tdist*tdist; - } else { - /* within cell range so no contribution to min_dist */ - min_dist = 0; - if (x <= centerc0) { - tdist = (x - maxc0) * C0_SCALE; - max_dist = tdist*tdist; - } else { - tdist = (x - minc0) * C0_SCALE; - max_dist = tdist*tdist; - } - } - - x = GETJSAMPLE(cinfo->colormap[1][i]); - if (x < minc1) { - tdist = (x - minc1) * C1_SCALE; - min_dist += tdist*tdist; - tdist = (x - maxc1) * C1_SCALE; - max_dist += tdist*tdist; - } else if (x > maxc1) { - tdist = (x - maxc1) * C1_SCALE; - min_dist += tdist*tdist; - tdist = (x - minc1) * C1_SCALE; - max_dist += tdist*tdist; - } else { - /* within cell range so no contribution to min_dist */ - if (x <= centerc1) { - tdist = (x - maxc1) * C1_SCALE; - max_dist += tdist*tdist; - } else { - tdist = (x - minc1) * C1_SCALE; - max_dist += tdist*tdist; - } - } - - x = GETJSAMPLE(cinfo->colormap[2][i]); - if (x < minc2) { - tdist = (x - minc2) * C2_SCALE; - min_dist += tdist*tdist; - tdist = (x - maxc2) * C2_SCALE; - max_dist += tdist*tdist; - } else if (x > maxc2) { - tdist = (x - maxc2) * C2_SCALE; - min_dist += tdist*tdist; - tdist = (x - minc2) * C2_SCALE; - max_dist += tdist*tdist; - } else { - /* within cell range so no contribution to min_dist */ - if (x <= centerc2) { - tdist = (x - maxc2) * C2_SCALE; - max_dist += tdist*tdist; - } else { - tdist = (x - minc2) * C2_SCALE; - max_dist += tdist*tdist; - } - } - - mindist[i] = min_dist; /* save away the results */ - if (max_dist < minmaxdist) - minmaxdist = max_dist; - } - - /* Now we know that no cell in the update box is more than minmaxdist - * away from some colormap entry. Therefore, only colors that are - * within minmaxdist of some part of the box need be considered. - */ - ncolors = 0; - for (i = 0; i < numcolors; i++) { - if (mindist[i] <= minmaxdist) - colorlist[ncolors++] = (JSAMPLE) i; - } - return ncolors; -} - - -LOCAL(void) -find_best_colors (j_decompress_ptr cinfo, int minc0, int minc1, int minc2, - int numcolors, JSAMPLE colorlist[], JSAMPLE bestcolor[]) -/* Find the closest colormap entry for each cell in the update box, - * given the list of candidate colors prepared by find_nearby_colors. - * Return the indexes of the closest entries in the bestcolor[] array. - * This routine uses Thomas' incremental distance calculation method to - * find the distance from a colormap entry to successive cells in the box. - */ -{ - int ic0, ic1, ic2; - int i, icolor; - register INT32 * bptr; /* pointer into bestdist[] array */ - JSAMPLE * cptr; /* pointer into bestcolor[] array */ - INT32 dist0, dist1; /* initial distance values */ - register INT32 dist2; /* current distance in inner loop */ - INT32 xx0, xx1; /* distance increments */ - register INT32 xx2; - INT32 inc0, inc1, inc2; /* initial values for increments */ - /* This array holds the distance to the nearest-so-far color for each cell */ - INT32 bestdist[BOX_C0_ELEMS * BOX_C1_ELEMS * BOX_C2_ELEMS]; - - /* Initialize best-distance for each cell of the update box */ - bptr = bestdist; - for (i = BOX_C0_ELEMS*BOX_C1_ELEMS*BOX_C2_ELEMS-1; i >= 0; i--) - *bptr++ = 0x7FFFFFFFL; - - /* For each color selected by find_nearby_colors, - * compute its distance to the center of each cell in the box. - * If that's less than best-so-far, update best distance and color number. - */ - - /* Nominal steps between cell centers ("x" in Thomas article) */ -#define STEP_C0 ((1 << C0_SHIFT) * C0_SCALE) -#define STEP_C1 ((1 << C1_SHIFT) * C1_SCALE) -#define STEP_C2 ((1 << C2_SHIFT) * C2_SCALE) - - for (i = 0; i < numcolors; i++) { - icolor = GETJSAMPLE(colorlist[i]); - /* Compute (square of) distance from minc0/c1/c2 to this color */ - inc0 = (minc0 - GETJSAMPLE(cinfo->colormap[0][icolor])) * C0_SCALE; - dist0 = inc0*inc0; - inc1 = (minc1 - GETJSAMPLE(cinfo->colormap[1][icolor])) * C1_SCALE; - dist0 += inc1*inc1; - inc2 = (minc2 - GETJSAMPLE(cinfo->colormap[2][icolor])) * C2_SCALE; - dist0 += inc2*inc2; - /* Form the initial difference increments */ - inc0 = inc0 * (2 * STEP_C0) + STEP_C0 * STEP_C0; - inc1 = inc1 * (2 * STEP_C1) + STEP_C1 * STEP_C1; - inc2 = inc2 * (2 * STEP_C2) + STEP_C2 * STEP_C2; - /* Now loop over all cells in box, updating distance per Thomas method */ - bptr = bestdist; - cptr = bestcolor; - xx0 = inc0; - for (ic0 = BOX_C0_ELEMS-1; ic0 >= 0; ic0--) { - dist1 = dist0; - xx1 = inc1; - for (ic1 = BOX_C1_ELEMS-1; ic1 >= 0; ic1--) { - dist2 = dist1; - xx2 = inc2; - for (ic2 = BOX_C2_ELEMS-1; ic2 >= 0; ic2--) { - if (dist2 < *bptr) { - *bptr = dist2; - *cptr = (JSAMPLE) icolor; - } - dist2 += xx2; - xx2 += 2 * STEP_C2 * STEP_C2; - bptr++; - cptr++; - } - dist1 += xx1; - xx1 += 2 * STEP_C1 * STEP_C1; - } - dist0 += xx0; - xx0 += 2 * STEP_C0 * STEP_C0; - } - } -} - - -LOCAL(void) -fill_inverse_cmap (j_decompress_ptr cinfo, int c0, int c1, int c2) -/* Fill the inverse-colormap entries in the update box that contains */ -/* histogram cell c0/c1/c2. (Only that one cell MUST be filled, but */ -/* we can fill as many others as we wish.) */ -{ - my_cquantize_ptr cquantize = (my_cquantize_ptr) cinfo->cquantize; - hist3d histogram = cquantize->histogram; - int minc0, minc1, minc2; /* lower left corner of update box */ - int ic0, ic1, ic2; - register JSAMPLE * cptr; /* pointer into bestcolor[] array */ - register histptr cachep; /* pointer into main cache array */ - /* This array lists the candidate colormap indexes. */ - JSAMPLE colorlist[MAXNUMCOLORS]; - int numcolors; /* number of candidate colors */ - /* This array holds the actually closest colormap index for each cell. */ - JSAMPLE bestcolor[BOX_C0_ELEMS * BOX_C1_ELEMS * BOX_C2_ELEMS]; - - /* Convert cell coordinates to update box ID */ - c0 >>= BOX_C0_LOG; - c1 >>= BOX_C1_LOG; - c2 >>= BOX_C2_LOG; - - /* Compute true coordinates of update box's origin corner. - * Actually we compute the coordinates of the center of the corner - * histogram cell, which are the lower bounds of the volume we care about. - */ - minc0 = (c0 << BOX_C0_SHIFT) + ((1 << C0_SHIFT) >> 1); - minc1 = (c1 << BOX_C1_SHIFT) + ((1 << C1_SHIFT) >> 1); - minc2 = (c2 << BOX_C2_SHIFT) + ((1 << C2_SHIFT) >> 1); - - /* Determine which colormap entries are close enough to be candidates - * for the nearest entry to some cell in the update box. - */ - numcolors = find_nearby_colors(cinfo, minc0, minc1, minc2, colorlist); - - /* Determine the actually nearest colors. */ - find_best_colors(cinfo, minc0, minc1, minc2, numcolors, colorlist, - bestcolor); - - /* Save the best color numbers (plus 1) in the main cache array */ - c0 <<= BOX_C0_LOG; /* convert ID back to base cell indexes */ - c1 <<= BOX_C1_LOG; - c2 <<= BOX_C2_LOG; - cptr = bestcolor; - for (ic0 = 0; ic0 < BOX_C0_ELEMS; ic0++) { - for (ic1 = 0; ic1 < BOX_C1_ELEMS; ic1++) { - cachep = & histogram[c0+ic0][c1+ic1][c2]; - for (ic2 = 0; ic2 < BOX_C2_ELEMS; ic2++) { - *cachep++ = (histcell) (GETJSAMPLE(*cptr++) + 1); - } - } - } -} - - -/* - * Map some rows of pixels to the output colormapped representation. - */ - -METHODDEF(void) -pass2_no_dither (j_decompress_ptr cinfo, - JSAMPARRAY input_buf, JSAMPARRAY output_buf, int num_rows) -/* This version performs no dithering */ -{ - my_cquantize_ptr cquantize = (my_cquantize_ptr) cinfo->cquantize; - hist3d histogram = cquantize->histogram; - register JSAMPROW inptr, outptr; - register histptr cachep; - register int c0, c1, c2; - int row; - JDIMENSION col; - JDIMENSION width = cinfo->output_width; - - for (row = 0; row < num_rows; row++) { - inptr = input_buf[row]; - outptr = output_buf[row]; - for (col = width; col > 0; col--) { - /* get pixel value and index into the cache */ - c0 = GETJSAMPLE(*inptr++) >> C0_SHIFT; - c1 = GETJSAMPLE(*inptr++) >> C1_SHIFT; - c2 = GETJSAMPLE(*inptr++) >> C2_SHIFT; - cachep = & histogram[c0][c1][c2]; - /* If we have not seen this color before, find nearest colormap entry */ - /* and update the cache */ - if (*cachep == 0) - fill_inverse_cmap(cinfo, c0,c1,c2); - /* Now emit the colormap index for this cell */ - *outptr++ = (JSAMPLE) (*cachep - 1); - } - } -} - - -METHODDEF(void) -pass2_fs_dither (j_decompress_ptr cinfo, - JSAMPARRAY input_buf, JSAMPARRAY output_buf, int num_rows) -/* This version performs Floyd-Steinberg dithering */ -{ - my_cquantize_ptr cquantize = (my_cquantize_ptr) cinfo->cquantize; - hist3d histogram = cquantize->histogram; - register LOCFSERROR cur0, cur1, cur2; /* current error or pixel value */ - LOCFSERROR belowerr0, belowerr1, belowerr2; /* error for pixel below cur */ - LOCFSERROR bpreverr0, bpreverr1, bpreverr2; /* error for below/prev col */ - register FSERRPTR errorptr; /* => fserrors[] at column before current */ - JSAMPROW inptr; /* => current input pixel */ - JSAMPROW outptr; /* => current output pixel */ - histptr cachep; - int dir; /* +1 or -1 depending on direction */ - int dir3; /* 3*dir, for advancing inptr & errorptr */ - int row; - JDIMENSION col; - JDIMENSION width = cinfo->output_width; - JSAMPLE *range_limit = cinfo->sample_range_limit; - int *error_limit = cquantize->error_limiter; - JSAMPROW colormap0 = cinfo->colormap[0]; - JSAMPROW colormap1 = cinfo->colormap[1]; - JSAMPROW colormap2 = cinfo->colormap[2]; - SHIFT_TEMPS - - for (row = 0; row < num_rows; row++) { - inptr = input_buf[row]; - outptr = output_buf[row]; - if (cquantize->on_odd_row) { - /* work right to left in this row */ - inptr += (width-1) * 3; /* so point to rightmost pixel */ - outptr += width-1; - dir = -1; - dir3 = -3; - errorptr = cquantize->fserrors + (width+1)*3; /* => entry after last column */ - cquantize->on_odd_row = FALSE; /* flip for next time */ - } else { - /* work left to right in this row */ - dir = 1; - dir3 = 3; - errorptr = cquantize->fserrors; /* => entry before first real column */ - cquantize->on_odd_row = TRUE; /* flip for next time */ - } - /* Preset error values: no error propagated to first pixel from left */ - cur0 = cur1 = cur2 = 0; - /* and no error propagated to row below yet */ - belowerr0 = belowerr1 = belowerr2 = 0; - bpreverr0 = bpreverr1 = bpreverr2 = 0; - - for (col = width; col > 0; col--) { - /* curN holds the error propagated from the previous pixel on the - * current line. Add the error propagated from the previous line - * to form the complete error correction term for this pixel, and - * round the error term (which is expressed * 16) to an integer. - * RIGHT_SHIFT rounds towards minus infinity, so adding 8 is correct - * for either sign of the error value. - * Note: errorptr points to *previous* column's array entry. - */ - cur0 = RIGHT_SHIFT(cur0 + errorptr[dir3+0] + 8, 4); - cur1 = RIGHT_SHIFT(cur1 + errorptr[dir3+1] + 8, 4); - cur2 = RIGHT_SHIFT(cur2 + errorptr[dir3+2] + 8, 4); - /* Limit the error using transfer function set by init_error_limit. - * See comments with init_error_limit for rationale. - */ - cur0 = error_limit[cur0]; - cur1 = error_limit[cur1]; - cur2 = error_limit[cur2]; - /* Form pixel value + error, and range-limit to 0..MAXJSAMPLE. - * The maximum error is +- MAXJSAMPLE (or less with error limiting); - * this sets the required size of the range_limit array. - */ - cur0 += GETJSAMPLE(inptr[0]); - cur1 += GETJSAMPLE(inptr[1]); - cur2 += GETJSAMPLE(inptr[2]); - cur0 = GETJSAMPLE(range_limit[cur0]); - cur1 = GETJSAMPLE(range_limit[cur1]); - cur2 = GETJSAMPLE(range_limit[cur2]); - /* Index into the cache with adjusted pixel value */ - cachep = & histogram[cur0>>C0_SHIFT][cur1>>C1_SHIFT][cur2>>C2_SHIFT]; - /* If we have not seen this color before, find nearest colormap */ - /* entry and update the cache */ - if (*cachep == 0) - fill_inverse_cmap(cinfo, cur0>>C0_SHIFT,cur1>>C1_SHIFT,cur2>>C2_SHIFT); - /* Now emit the colormap index for this cell */ - { register int pixcode = *cachep - 1; - *outptr = (JSAMPLE) pixcode; - /* Compute representation error for this pixel */ - cur0 -= GETJSAMPLE(colormap0[pixcode]); - cur1 -= GETJSAMPLE(colormap1[pixcode]); - cur2 -= GETJSAMPLE(colormap2[pixcode]); - } - /* Compute error fractions to be propagated to adjacent pixels. - * Add these into the running sums, and simultaneously shift the - * next-line error sums left by 1 column. - */ - { register LOCFSERROR bnexterr, delta; - - bnexterr = cur0; /* Process component 0 */ - delta = cur0 * 2; - cur0 += delta; /* form error * 3 */ - errorptr[0] = (FSERROR) (bpreverr0 + cur0); - cur0 += delta; /* form error * 5 */ - bpreverr0 = belowerr0 + cur0; - belowerr0 = bnexterr; - cur0 += delta; /* form error * 7 */ - bnexterr = cur1; /* Process component 1 */ - delta = cur1 * 2; - cur1 += delta; /* form error * 3 */ - errorptr[1] = (FSERROR) (bpreverr1 + cur1); - cur1 += delta; /* form error * 5 */ - bpreverr1 = belowerr1 + cur1; - belowerr1 = bnexterr; - cur1 += delta; /* form error * 7 */ - bnexterr = cur2; /* Process component 2 */ - delta = cur2 * 2; - cur2 += delta; /* form error * 3 */ - errorptr[2] = (FSERROR) (bpreverr2 + cur2); - cur2 += delta; /* form error * 5 */ - bpreverr2 = belowerr2 + cur2; - belowerr2 = bnexterr; - cur2 += delta; /* form error * 7 */ - } - /* At this point curN contains the 7/16 error value to be propagated - * to the next pixel on the current line, and all the errors for the - * next line have been shifted over. We are therefore ready to move on. - */ - inptr += dir3; /* Advance pixel pointers to next column */ - outptr += dir; - errorptr += dir3; /* advance errorptr to current column */ - } - /* Post-loop cleanup: we must unload the final error values into the - * final fserrors[] entry. Note we need not unload belowerrN because - * it is for the dummy column before or after the actual array. - */ - errorptr[0] = (FSERROR) bpreverr0; /* unload prev errs into array */ - errorptr[1] = (FSERROR) bpreverr1; - errorptr[2] = (FSERROR) bpreverr2; - } -} - - -/* - * Initialize the error-limiting transfer function (lookup table). - * The raw F-S error computation can potentially compute error values of up to - * +- MAXJSAMPLE. But we want the maximum correction applied to a pixel to be - * much less, otherwise obviously wrong pixels will be created. (Typical - * effects include weird fringes at color-area boundaries, isolated bright - * pixels in a dark area, etc.) The standard advice for avoiding this problem - * is to ensure that the "corners" of the color cube are allocated as output - * colors; then repeated errors in the same direction cannot cause cascading - * error buildup. However, that only prevents the error from getting - * completely out of hand; Aaron Giles reports that error limiting improves - * the results even with corner colors allocated. - * A simple clamping of the error values to about +- MAXJSAMPLE/8 works pretty - * well, but the smoother transfer function used below is even better. Thanks - * to Aaron Giles for this idea. - */ - -LOCAL(void) -init_error_limit (j_decompress_ptr cinfo) -/* Allocate and fill in the error_limiter table */ -{ - my_cquantize_ptr cquantize = (my_cquantize_ptr) cinfo->cquantize; - int * table; - int in, out; - - table = (int *) (*cinfo->mem->alloc_small) - ((j_common_ptr) cinfo, JPOOL_IMAGE, (MAXJSAMPLE*2+1) * SIZEOF(int)); - table += MAXJSAMPLE; /* so can index -MAXJSAMPLE .. +MAXJSAMPLE */ - cquantize->error_limiter = table; - -#define STEPSIZE ((MAXJSAMPLE+1)/16) - /* Map errors 1:1 up to +- MAXJSAMPLE/16 */ - out = 0; - for (in = 0; in < STEPSIZE; in++, out++) { - table[in] = out; table[-in] = -out; - } - /* Map errors 1:2 up to +- 3*MAXJSAMPLE/16 */ - for (; in < STEPSIZE*3; in++, out += (in&1) ? 0 : 1) { - table[in] = out; table[-in] = -out; - } - /* Clamp the rest to final out value (which is (MAXJSAMPLE+1)/8) */ - for (; in <= MAXJSAMPLE; in++) { - table[in] = out; table[-in] = -out; - } -#undef STEPSIZE -} - - -/* - * Finish up at the end of each pass. - */ - -METHODDEF(void) -finish_pass1 (j_decompress_ptr cinfo) -{ - my_cquantize_ptr cquantize = (my_cquantize_ptr) cinfo->cquantize; - - /* Select the representative colors and fill in cinfo->colormap */ - cinfo->colormap = cquantize->sv_colormap; - select_colors(cinfo, cquantize->desired); - /* Force next pass to zero the color index table */ - cquantize->needs_zeroed = TRUE; -} - - -METHODDEF(void) -finish_pass2 (j_decompress_ptr cinfo) -{ - /* no work */ -} - - -/* - * Initialize for each processing pass. - */ - -METHODDEF(void) -start_pass_2_quant (j_decompress_ptr cinfo, boolean is_pre_scan) -{ - my_cquantize_ptr cquantize = (my_cquantize_ptr) cinfo->cquantize; - hist3d histogram = cquantize->histogram; - int i; - - /* Only F-S dithering or no dithering is supported. */ - /* If user asks for ordered dither, give him F-S. */ - if (cinfo->dither_mode != JDITHER_NONE) - cinfo->dither_mode = JDITHER_FS; - - if (is_pre_scan) { - /* Set up method pointers */ - cquantize->pub.color_quantize = prescan_quantize; - cquantize->pub.finish_pass = finish_pass1; - cquantize->needs_zeroed = TRUE; /* Always zero histogram */ - } else { - /* Set up method pointers */ - if (cinfo->dither_mode == JDITHER_FS) - cquantize->pub.color_quantize = pass2_fs_dither; - else - cquantize->pub.color_quantize = pass2_no_dither; - cquantize->pub.finish_pass = finish_pass2; - - /* Make sure color count is acceptable */ - i = cinfo->actual_number_of_colors; - if (i < 1) - ERREXIT1(cinfo, JERR_QUANT_FEW_COLORS, 1); - if (i > MAXNUMCOLORS) - ERREXIT1(cinfo, JERR_QUANT_MANY_COLORS, MAXNUMCOLORS); - - if (cinfo->dither_mode == JDITHER_FS) { - size_t arraysize = (size_t) ((cinfo->output_width + 2) * - (3 * SIZEOF(FSERROR))); - /* Allocate Floyd-Steinberg workspace if we didn't already. */ - if (cquantize->fserrors == NULL) - cquantize->fserrors = (FSERRPTR) (*cinfo->mem->alloc_large) - ((j_common_ptr) cinfo, JPOOL_IMAGE, arraysize); - /* Initialize the propagated errors to zero. */ - jzero_far((void FAR *) cquantize->fserrors, arraysize); - /* Make the error-limit table if we didn't already. */ - if (cquantize->error_limiter == NULL) - init_error_limit(cinfo); - cquantize->on_odd_row = FALSE; - } - - } - /* Zero the histogram or inverse color map, if necessary */ - if (cquantize->needs_zeroed) { - for (i = 0; i < HIST_C0_ELEMS; i++) { - jzero_far((void FAR *) histogram[i], - HIST_C1_ELEMS*HIST_C2_ELEMS * SIZEOF(histcell)); - } - cquantize->needs_zeroed = FALSE; - } -} - - -/* - * Switch to a new external colormap between output passes. - */ - -METHODDEF(void) -new_color_map_2_quant (j_decompress_ptr cinfo) -{ - my_cquantize_ptr cquantize = (my_cquantize_ptr) cinfo->cquantize; - - /* Reset the inverse color map */ - cquantize->needs_zeroed = TRUE; -} - - -/* - * Module initialization routine for 2-pass color quantization. - */ - -GLOBAL(void) -jinit_2pass_quantizer (j_decompress_ptr cinfo) -{ - my_cquantize_ptr cquantize; - int i; - - cquantize = (my_cquantize_ptr) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(my_cquantizer)); - cinfo->cquantize = (struct jpeg_color_quantizer *) cquantize; - cquantize->pub.start_pass = start_pass_2_quant; - cquantize->pub.new_color_map = new_color_map_2_quant; - cquantize->fserrors = NULL; /* flag optional arrays not allocated */ - cquantize->error_limiter = NULL; - - /* Make sure jdmaster didn't give me a case I can't handle */ - if (cinfo->out_color_components != 3) - ERREXIT(cinfo, JERR_NOTIMPL); - - /* Allocate the histogram/inverse colormap storage */ - cquantize->histogram = (hist3d) (*cinfo->mem->alloc_small) - ((j_common_ptr) cinfo, JPOOL_IMAGE, HIST_C0_ELEMS * SIZEOF(hist2d)); - for (i = 0; i < HIST_C0_ELEMS; i++) { - cquantize->histogram[i] = (hist2d) (*cinfo->mem->alloc_large) - ((j_common_ptr) cinfo, JPOOL_IMAGE, - HIST_C1_ELEMS*HIST_C2_ELEMS * SIZEOF(histcell)); - } - cquantize->needs_zeroed = TRUE; /* histogram is garbage now */ - - /* Allocate storage for the completed colormap, if required. - * We do this now since it is FAR storage and may affect - * the memory manager's space calculations. - */ - if (cinfo->enable_2pass_quant) { - /* Make sure color count is acceptable */ - int desired = cinfo->desired_number_of_colors; - /* Lower bound on # of colors ... somewhat arbitrary as long as > 0 */ - if (desired < 8) - ERREXIT1(cinfo, JERR_QUANT_FEW_COLORS, 8); - /* Make sure colormap indexes can be represented by JSAMPLEs */ - if (desired > MAXNUMCOLORS) - ERREXIT1(cinfo, JERR_QUANT_MANY_COLORS, MAXNUMCOLORS); - cquantize->sv_colormap = (*cinfo->mem->alloc_sarray) - ((j_common_ptr) cinfo,JPOOL_IMAGE, (JDIMENSION) desired, (JDIMENSION) 3); - cquantize->desired = desired; - } else - cquantize->sv_colormap = NULL; - - /* Only F-S dithering or no dithering is supported. */ - /* If user asks for ordered dither, give him F-S. */ - if (cinfo->dither_mode != JDITHER_NONE) - cinfo->dither_mode = JDITHER_FS; - - /* Allocate Floyd-Steinberg workspace if necessary. - * This isn't really needed until pass 2, but again it is FAR storage. - * Although we will cope with a later change in dither_mode, - * we do not promise to honor max_memory_to_use if dither_mode changes. - */ - if (cinfo->dither_mode == JDITHER_FS) { - cquantize->fserrors = (FSERRPTR) (*cinfo->mem->alloc_large) - ((j_common_ptr) cinfo, JPOOL_IMAGE, - (size_t) ((cinfo->output_width + 2) * (3 * SIZEOF(FSERROR)))); - /* Might as well create the error-limiting table too. */ - init_error_limit(cinfo); - } -} - -#endif /* QUANT_2PASS_SUPPORTED */ diff --git a/common/jpeg/jsimd.h b/common/jpeg/jsimd.h deleted file mode 100644 index b6637915..00000000 --- a/common/jpeg/jsimd.h +++ /dev/null @@ -1,90 +0,0 @@ -/* - * jsimd.h - * - * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB - * - * Based on the x86 SIMD extension for IJG JPEG library, - * Copyright (C) 1999-2006, MIYASAKA Masaru. - * For conditions of distribution and use, see copyright notice in jsimdext.inc - * - */ - -/* Short forms of external names for systems with brain-damaged linkers. */ - -#ifdef NEED_SHORT_EXTERNAL_NAMES -#define jsimd_can_rgb_ycc jSCanRgbYcc -#define jsimd_can_ycc_rgb jSCanYccRgb -#define jsimd_rgb_ycc_convert jSRgbYccConv -#define jsimd_ycc_rgb_convert jSYccRgbConv -#define jsimd_can_h2v2_downsample jSCanH2V2Down -#define jsimd_can_h2v1_downsample jSCanH2V1Down -#define jsimd_h2v2_downsample jSH2V2Down -#define jsimd_h2v1_downsample jSH2V1Down -#define jsimd_can_h2v2_upsample jSCanH2V2Up -#define jsimd_can_h2v1_upsample jSCanH2V1Up -#define jsimd_h2v2_upsample jSH2V2Up -#define jsimd_h2v1_upsample jSH2V1Up -#define jsimd_can_h2v2_fancy_upsample jSCanH2V2FUp -#define jsimd_can_h2v1_fancy_upsample jSCanH2V1FUp -#define jsimd_h2v2_fancy_upsample jSH2V2FUp -#define jsimd_h2v1_fancy_upsample jSH2V1FUp -#define jsimd_can_h2v2_merged_upsample jSCanH2V2MUp -#define jsimd_can_h2v1_merged_upsample jSCanH2V1MUp -#define jsimd_h2v2_merged_upsample jSH2V2MUp -#define jsimd_h2v1_merged_upsample jSH2V1MUp -#endif /* NEED_SHORT_EXTERNAL_NAMES */ - -EXTERN(int) jsimd_can_rgb_ycc JPP((void)); -EXTERN(int) jsimd_can_ycc_rgb JPP((void)); - -EXTERN(void) jsimd_rgb_ycc_convert - JPP((j_compress_ptr cinfo, - JSAMPARRAY input_buf, JSAMPIMAGE output_buf, - JDIMENSION output_row, int num_rows)); -EXTERN(void) jsimd_ycc_rgb_convert - JPP((j_decompress_ptr cinfo, - JSAMPIMAGE input_buf, JDIMENSION input_row, - JSAMPARRAY output_buf, int num_rows)); - -EXTERN(int) jsimd_can_h2v2_downsample JPP((void)); -EXTERN(int) jsimd_can_h2v1_downsample JPP((void)); - -EXTERN(void) jsimd_h2v2_downsample - JPP((j_compress_ptr cinfo, jpeg_component_info * compptr, - JSAMPARRAY input_data, JSAMPARRAY output_data)); -EXTERN(void) jsimd_h2v1_downsample - JPP((j_compress_ptr cinfo, jpeg_component_info * compptr, - JSAMPARRAY input_data, JSAMPARRAY output_data)); - -EXTERN(int) jsimd_can_h2v2_upsample JPP((void)); -EXTERN(int) jsimd_can_h2v1_upsample JPP((void)); - -EXTERN(void) jsimd_h2v2_upsample - JPP((j_decompress_ptr cinfo, jpeg_component_info * compptr, - JSAMPARRAY input_data, JSAMPARRAY * output_data_ptr)); -EXTERN(void) jsimd_h2v1_upsample - JPP((j_decompress_ptr cinfo, jpeg_component_info * compptr, - JSAMPARRAY input_data, JSAMPARRAY * output_data_ptr)); - -EXTERN(int) jsimd_can_h2v2_fancy_upsample JPP((void)); -EXTERN(int) jsimd_can_h2v1_fancy_upsample JPP((void)); - -EXTERN(void) jsimd_h2v2_fancy_upsample - JPP((j_decompress_ptr cinfo, jpeg_component_info * compptr, - JSAMPARRAY input_data, JSAMPARRAY * output_data_ptr)); -EXTERN(void) jsimd_h2v1_fancy_upsample - JPP((j_decompress_ptr cinfo, jpeg_component_info * compptr, - JSAMPARRAY input_data, JSAMPARRAY * output_data_ptr)); - -EXTERN(int) jsimd_can_h2v2_merged_upsample JPP((void)); -EXTERN(int) jsimd_can_h2v1_merged_upsample JPP((void)); - -EXTERN(void) jsimd_h2v2_merged_upsample - JPP((j_decompress_ptr cinfo, - JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr, - JSAMPARRAY output_buf)); -EXTERN(void) jsimd_h2v1_merged_upsample - JPP((j_decompress_ptr cinfo, - JSAMPIMAGE input_buf, JDIMENSION in_row_group_ctr, - JSAMPARRAY output_buf)); - diff --git a/common/jpeg/jsimd_none.c b/common/jpeg/jsimd_none.c deleted file mode 100644 index 7ff30742..00000000 --- a/common/jpeg/jsimd_none.c +++ /dev/null @@ -1,300 +0,0 @@ -/* - * jsimd_none.c - * - * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB - * Copyright 2009 D. R. Commander - * - * Based on the x86 SIMD extension for IJG JPEG library, - * Copyright (C) 1999-2006, MIYASAKA Masaru. - * For conditions of distribution and use, see copyright notice in jsimdext.inc - * - * This file contains stubs for when there is no SIMD support available. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" -#include "jsimd.h" -#include "jdct.h" -#include "jsimddct.h" - -GLOBAL(int) -jsimd_can_rgb_ycc (void) -{ - return 0; -} - -GLOBAL(int) -jsimd_can_ycc_rgb (void) -{ - return 0; -} - -GLOBAL(void) -jsimd_rgb_ycc_convert (j_compress_ptr cinfo, - JSAMPARRAY input_buf, JSAMPIMAGE output_buf, - JDIMENSION output_row, int num_rows) -{ -} - -GLOBAL(void) -jsimd_ycc_rgb_convert (j_decompress_ptr cinfo, - JSAMPIMAGE input_buf, JDIMENSION input_row, - JSAMPARRAY output_buf, int num_rows) -{ -} - -GLOBAL(int) -jsimd_can_h2v2_downsample (void) -{ - return 0; -} - -GLOBAL(int) -jsimd_can_h2v1_downsample (void) -{ - return 0; -} - -GLOBAL(void) -jsimd_h2v2_downsample (j_compress_ptr cinfo, jpeg_component_info * compptr, - JSAMPARRAY input_data, JSAMPARRAY output_data) -{ -} - -GLOBAL(void) -jsimd_h2v1_downsample (j_compress_ptr cinfo, jpeg_component_info * compptr, - JSAMPARRAY input_data, JSAMPARRAY output_data) -{ -} - -GLOBAL(int) -jsimd_can_h2v2_upsample (void) -{ - return 0; -} - -GLOBAL(int) -jsimd_can_h2v1_upsample (void) -{ - return 0; -} - -GLOBAL(void) -jsimd_h2v2_upsample (j_decompress_ptr cinfo, - jpeg_component_info * compptr, - JSAMPARRAY input_data, - JSAMPARRAY * output_data_ptr) -{ -} - -GLOBAL(void) -jsimd_h2v1_upsample (j_decompress_ptr cinfo, - jpeg_component_info * compptr, - JSAMPARRAY input_data, - JSAMPARRAY * output_data_ptr) -{ -} - -GLOBAL(int) -jsimd_can_h2v2_fancy_upsample (void) -{ - return 0; -} - -GLOBAL(int) -jsimd_can_h2v1_fancy_upsample (void) -{ - return 0; -} - -GLOBAL(void) -jsimd_h2v2_fancy_upsample (j_decompress_ptr cinfo, - jpeg_component_info * compptr, - JSAMPARRAY input_data, - JSAMPARRAY * output_data_ptr) -{ -} - -GLOBAL(void) -jsimd_h2v1_fancy_upsample (j_decompress_ptr cinfo, - jpeg_component_info * compptr, - JSAMPARRAY input_data, - JSAMPARRAY * output_data_ptr) -{ -} - -GLOBAL(int) -jsimd_can_h2v2_merged_upsample (void) -{ - return 0; -} - -GLOBAL(int) -jsimd_can_h2v1_merged_upsample (void) -{ - return 0; -} - -GLOBAL(void) -jsimd_h2v2_merged_upsample (j_decompress_ptr cinfo, - JSAMPIMAGE input_buf, - JDIMENSION in_row_group_ctr, - JSAMPARRAY output_buf) -{ -} - -GLOBAL(void) -jsimd_h2v1_merged_upsample (j_decompress_ptr cinfo, - JSAMPIMAGE input_buf, - JDIMENSION in_row_group_ctr, - JSAMPARRAY output_buf) -{ -} - -GLOBAL(int) -jsimd_can_convsamp (void) -{ - return 0; -} - -GLOBAL(int) -jsimd_can_convsamp_float (void) -{ - return 0; -} - -GLOBAL(void) -jsimd_convsamp (JSAMPARRAY sample_data, JDIMENSION start_col, - DCTELEM * workspace) -{ -} - -GLOBAL(void) -jsimd_convsamp_float (JSAMPARRAY sample_data, JDIMENSION start_col, - FAST_FLOAT * workspace) -{ -} - -GLOBAL(int) -jsimd_can_fdct_islow (void) -{ - return 0; -} - -GLOBAL(int) -jsimd_can_fdct_ifast (void) -{ - return 0; -} - -GLOBAL(int) -jsimd_can_fdct_float (void) -{ - return 0; -} - -GLOBAL(void) -jsimd_fdct_islow (DCTELEM * data) -{ -} - -GLOBAL(void) -jsimd_fdct_ifast (DCTELEM * data) -{ -} - -GLOBAL(void) -jsimd_fdct_float (FAST_FLOAT * data) -{ -} - -GLOBAL(int) -jsimd_can_quantize (void) -{ - return 0; -} - -GLOBAL(int) -jsimd_can_quantize_float (void) -{ - return 0; -} - -GLOBAL(void) -jsimd_quantize (JCOEFPTR coef_block, DCTELEM * divisors, - DCTELEM * workspace) -{ -} - -GLOBAL(void) -jsimd_quantize_float (JCOEFPTR coef_block, FAST_FLOAT * divisors, - FAST_FLOAT * workspace) -{ -} - -GLOBAL(int) -jsimd_can_idct_2x2 (void) -{ - return 0; -} - -GLOBAL(int) -jsimd_can_idct_4x4 (void) -{ - return 0; -} - -GLOBAL(void) -jsimd_idct_2x2 (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, JSAMPARRAY output_buf, - JDIMENSION output_col) -{ -} - -GLOBAL(void) -jsimd_idct_4x4 (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, JSAMPARRAY output_buf, - JDIMENSION output_col) -{ -} - -GLOBAL(int) -jsimd_can_idct_islow (void) -{ - return 0; -} - -GLOBAL(int) -jsimd_can_idct_ifast (void) -{ - return 0; -} - -GLOBAL(int) -jsimd_can_idct_float (void) -{ - return 0; -} - -GLOBAL(void) -jsimd_idct_islow (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, JSAMPARRAY output_buf, - JDIMENSION output_col) -{ -} - -GLOBAL(void) -jsimd_idct_ifast (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, JSAMPARRAY output_buf, - JDIMENSION output_col) -{ -} - -GLOBAL(void) -jsimd_idct_float (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, JSAMPARRAY output_buf, - JDIMENSION output_col) -{ -} - diff --git a/common/jpeg/jsimddct.h b/common/jpeg/jsimddct.h deleted file mode 100644 index a1c74407..00000000 --- a/common/jpeg/jsimddct.h +++ /dev/null @@ -1,102 +0,0 @@ -/* - * jsimddct.h - * - * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB - * - * Based on the x86 SIMD extension for IJG JPEG library, - * Copyright (C) 1999-2006, MIYASAKA Masaru. - * For conditions of distribution and use, see copyright notice in jsimdext.inc - * - */ - -/* Short forms of external names for systems with brain-damaged linkers. */ - -#ifdef NEED_SHORT_EXTERNAL_NAMES -#define jsimd_can_convsamp jSCanConv -#define jsimd_can_convsamp_float jSCanConvF -#define jsimd_convsamp jSConv -#define jsimd_convsamp_float jSConvF -#define jsimd_can_fdct_islow jSCanFDCTIS -#define jsimd_can_fdct_ifast jSCanFDCTIF -#define jsimd_can_fdct_float jSCanFDCTFl -#define jsimd_fdct_islow jSFDCTIS -#define jsimd_fdct_ifast jSFDCTIF -#define jsimd_fdct_float jSFDCTFl -#define jsimd_can_quantize jSCanQuant -#define jsimd_can_quantize_float jSCanQuantF -#define jsimd_quantize jSQuant -#define jsimd_quantize_float jSQuantF -#define jsimd_can_idct_2x2 jSCanIDCT22 -#define jsimd_can_idct_4x4 jSCanIDCT44 -#define jsimd_idct_2x2 jSIDCT22 -#define jsimd_idct_4x4 jSIDCT44 -#define jsimd_can_idct_islow jSCanIDCTIS -#define jsimd_can_idct_ifast jSCanIDCTIF -#define jsimd_can_idct_float jSCanIDCTFl -#define jsimd_idct_islow jSIDCTIS -#define jsimd_idct_ifast jSIDCTIF -#define jsimd_idct_float jSIDCTFl -#endif /* NEED_SHORT_EXTERNAL_NAMES */ - -EXTERN(int) jsimd_can_convsamp JPP((void)); -EXTERN(int) jsimd_can_convsamp_float JPP((void)); - -EXTERN(void) jsimd_convsamp JPP((JSAMPARRAY sample_data, - JDIMENSION start_col, - DCTELEM * workspace)); -EXTERN(void) jsimd_convsamp_float JPP((JSAMPARRAY sample_data, - JDIMENSION start_col, - FAST_FLOAT * workspace)); - -EXTERN(int) jsimd_can_fdct_islow JPP((void)); -EXTERN(int) jsimd_can_fdct_ifast JPP((void)); -EXTERN(int) jsimd_can_fdct_float JPP((void)); - -EXTERN(void) jsimd_fdct_islow JPP((DCTELEM * data)); -EXTERN(void) jsimd_fdct_ifast JPP((DCTELEM * data)); -EXTERN(void) jsimd_fdct_float JPP((FAST_FLOAT * data)); - -EXTERN(int) jsimd_can_quantize JPP((void)); -EXTERN(int) jsimd_can_quantize_float JPP((void)); - -EXTERN(void) jsimd_quantize JPP((JCOEFPTR coef_block, - DCTELEM * divisors, - DCTELEM * workspace)); -EXTERN(void) jsimd_quantize_float JPP((JCOEFPTR coef_block, - FAST_FLOAT * divisors, - FAST_FLOAT * workspace)); - -EXTERN(int) jsimd_can_idct_2x2 JPP((void)); -EXTERN(int) jsimd_can_idct_4x4 JPP((void)); - -EXTERN(void) jsimd_idct_2x2 JPP((j_decompress_ptr cinfo, - jpeg_component_info * compptr, - JCOEFPTR coef_block, - JSAMPARRAY output_buf, - JDIMENSION output_col)); -EXTERN(void) jsimd_idct_4x4 JPP((j_decompress_ptr cinfo, - jpeg_component_info * compptr, - JCOEFPTR coef_block, - JSAMPARRAY output_buf, - JDIMENSION output_col)); - -EXTERN(int) jsimd_can_idct_islow JPP((void)); -EXTERN(int) jsimd_can_idct_ifast JPP((void)); -EXTERN(int) jsimd_can_idct_float JPP((void)); - -EXTERN(void) jsimd_idct_islow JPP((j_decompress_ptr cinfo, - jpeg_component_info * compptr, - JCOEFPTR coef_block, - JSAMPARRAY output_buf, - JDIMENSION output_col)); -EXTERN(void) jsimd_idct_ifast JPP((j_decompress_ptr cinfo, - jpeg_component_info * compptr, - JCOEFPTR coef_block, - JSAMPARRAY output_buf, - JDIMENSION output_col)); -EXTERN(void) jsimd_idct_float JPP((j_decompress_ptr cinfo, - jpeg_component_info * compptr, - JCOEFPTR coef_block, - JSAMPARRAY output_buf, - JDIMENSION output_col)); - diff --git a/common/jpeg/jutils.c b/common/jpeg/jutils.c deleted file mode 100644 index 98b54f5f..00000000 --- a/common/jpeg/jutils.c +++ /dev/null @@ -1,179 +0,0 @@ -/* - * jutils.c - * - * Copyright (C) 1991-1996, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains tables and miscellaneous utility routines needed - * for both compression and decompression. - * Note we prefix all global names with "j" to minimize conflicts with - * a surrounding application. - */ - -#define JPEG_INTERNALS -#include "jinclude.h" -#include "jpeglib.h" - - -/* - * jpeg_zigzag_order[i] is the zigzag-order position of the i'th element - * of a DCT block read in natural order (left to right, top to bottom). - */ - -#if 0 /* This table is not actually needed in v6a */ - -const int jpeg_zigzag_order[DCTSIZE2] = { - 0, 1, 5, 6, 14, 15, 27, 28, - 2, 4, 7, 13, 16, 26, 29, 42, - 3, 8, 12, 17, 25, 30, 41, 43, - 9, 11, 18, 24, 31, 40, 44, 53, - 10, 19, 23, 32, 39, 45, 52, 54, - 20, 22, 33, 38, 46, 51, 55, 60, - 21, 34, 37, 47, 50, 56, 59, 61, - 35, 36, 48, 49, 57, 58, 62, 63 -}; - -#endif - -/* - * jpeg_natural_order[i] is the natural-order position of the i'th element - * of zigzag order. - * - * When reading corrupted data, the Huffman decoders could attempt - * to reference an entry beyond the end of this array (if the decoded - * zero run length reaches past the end of the block). To prevent - * wild stores without adding an inner-loop test, we put some extra - * "63"s after the real entries. This will cause the extra coefficient - * to be stored in location 63 of the block, not somewhere random. - * The worst case would be a run-length of 15, which means we need 16 - * fake entries. - */ - -const int jpeg_natural_order[DCTSIZE2+16] = { - 0, 1, 8, 16, 9, 2, 3, 10, - 17, 24, 32, 25, 18, 11, 4, 5, - 12, 19, 26, 33, 40, 48, 41, 34, - 27, 20, 13, 6, 7, 14, 21, 28, - 35, 42, 49, 56, 57, 50, 43, 36, - 29, 22, 15, 23, 30, 37, 44, 51, - 58, 59, 52, 45, 38, 31, 39, 46, - 53, 60, 61, 54, 47, 55, 62, 63, - 63, 63, 63, 63, 63, 63, 63, 63, /* extra entries for safety in decoder */ - 63, 63, 63, 63, 63, 63, 63, 63 -}; - - -/* - * Arithmetic utilities - */ - -GLOBAL(long) -jdiv_round_up (long a, long b) -/* Compute a/b rounded up to next integer, ie, ceil(a/b) */ -/* Assumes a >= 0, b > 0 */ -{ - return (a + b - 1L) / b; -} - - -GLOBAL(size_t) -jround_up (size_t a, size_t b) -/* Compute a rounded up to next multiple of b, ie, ceil(a/b)*b */ -/* Assumes a >= 0, b > 0 */ -{ - a += b - 1L; - return a - (a % b); -} - - -/* On normal machines we can apply MEMCOPY() and MEMZERO() to sample arrays - * and coefficient-block arrays. This won't work on 80x86 because the arrays - * are FAR and we're assuming a small-pointer memory model. However, some - * DOS compilers provide far-pointer versions of memcpy() and memset() even - * in the small-model libraries. These will be used if USE_FMEM is defined. - * Otherwise, the routines below do it the hard way. (The performance cost - * is not all that great, because these routines aren't very heavily used.) - */ - -#ifndef NEED_FAR_POINTERS /* normal case, same as regular macros */ -#define FMEMCOPY(dest,src,size) MEMCOPY(dest,src,size) -#define FMEMZERO(target,size) MEMZERO(target,size) -#else /* 80x86 case, define if we can */ -#ifdef USE_FMEM -#define FMEMCOPY(dest,src,size) _fmemcpy((void FAR *)(dest), (const void FAR *)(src), (size_t)(size)) -#define FMEMZERO(target,size) _fmemset((void FAR *)(target), 0, (size_t)(size)) -#endif -#endif - - -GLOBAL(void) -jcopy_sample_rows (JSAMPARRAY input_array, int source_row, - JSAMPARRAY output_array, int dest_row, - int num_rows, JDIMENSION num_cols) -/* Copy some rows of samples from one place to another. - * num_rows rows are copied from input_array[source_row++] - * to output_array[dest_row++]; these areas may overlap for duplication. - * The source and destination arrays must be at least as wide as num_cols. - */ -{ - register JSAMPROW inptr, outptr; -#ifdef FMEMCOPY - register size_t count = (size_t) (num_cols * SIZEOF(JSAMPLE)); -#else - register JDIMENSION count; -#endif - register int row; - - input_array += source_row; - output_array += dest_row; - - for (row = num_rows; row > 0; row--) { - inptr = *input_array++; - outptr = *output_array++; -#ifdef FMEMCOPY - FMEMCOPY(outptr, inptr, count); -#else - for (count = num_cols; count > 0; count--) - *outptr++ = *inptr++; /* needn't bother with GETJSAMPLE() here */ -#endif - } -} - - -GLOBAL(void) -jcopy_block_row (JBLOCKROW input_row, JBLOCKROW output_row, - JDIMENSION num_blocks) -/* Copy a row of coefficient blocks from one place to another. */ -{ -#ifdef FMEMCOPY - FMEMCOPY(output_row, input_row, num_blocks * (DCTSIZE2 * SIZEOF(JCOEF))); -#else - register JCOEFPTR inptr, outptr; - register long count; - - inptr = (JCOEFPTR) input_row; - outptr = (JCOEFPTR) output_row; - for (count = (long) num_blocks * DCTSIZE2; count > 0; count--) { - *outptr++ = *inptr++; - } -#endif -} - - -GLOBAL(void) -jzero_far (void FAR * target, size_t bytestozero) -/* Zero out a chunk of FAR memory. */ -/* This might be sample-array data, block-array data, or alloc_large data. */ -{ -#ifdef FMEMZERO - FMEMZERO(target, bytestozero); -#else - register char FAR * ptr = (char FAR *) target; - register size_t count; - - for (count = bytestozero; count > 0; count--) { - *ptr++ = 0; - } -#endif -} diff --git a/common/jpeg/jversion.h b/common/jpeg/jversion.h deleted file mode 100644 index 6472c58d..00000000 --- a/common/jpeg/jversion.h +++ /dev/null @@ -1,14 +0,0 @@ -/* - * jversion.h - * - * Copyright (C) 1991-1998, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains software version identification. - */ - - -#define JVERSION "6b 27-Mar-1998" - -#define JCOPYRIGHT "Copyright (C) 1998, Thomas G. Lane" diff --git a/common/jpeg/rdbmp.c b/common/jpeg/rdbmp.c deleted file mode 100644 index b05fe2ac..00000000 --- a/common/jpeg/rdbmp.c +++ /dev/null @@ -1,439 +0,0 @@ -/* - * rdbmp.c - * - * Copyright (C) 1994-1996, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains routines to read input images in Microsoft "BMP" - * format (MS Windows 3.x, OS/2 1.x, and OS/2 2.x flavors). - * Currently, only 8-bit and 24-bit images are supported, not 1-bit or - * 4-bit (feeding such low-depth images into JPEG would be silly anyway). - * Also, we don't support RLE-compressed files. - * - * These routines may need modification for non-Unix environments or - * specialized applications. As they stand, they assume input from - * an ordinary stdio stream. They further assume that reading begins - * at the start of the file; start_input may need work if the - * user interface has already read some data (e.g., to determine that - * the file is indeed BMP format). - * - * This code contributed by James Arthur Boucher. - */ - -#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */ - -#ifdef BMP_SUPPORTED - - -/* Macros to deal with unsigned chars as efficiently as compiler allows */ - -#ifdef HAVE_UNSIGNED_CHAR -typedef unsigned char U_CHAR; -#define UCH(x) ((int) (x)) -#else /* !HAVE_UNSIGNED_CHAR */ -#ifdef CHAR_IS_UNSIGNED -typedef char U_CHAR; -#define UCH(x) ((int) (x)) -#else -typedef char U_CHAR; -#define UCH(x) ((int) (x) & 0xFF) -#endif -#endif /* HAVE_UNSIGNED_CHAR */ - - -#define ReadOK(file,buffer,len) (JFREAD(file,buffer,len) == ((size_t) (len))) - - -/* Private version of data source object */ - -typedef struct _bmp_source_struct * bmp_source_ptr; - -typedef struct _bmp_source_struct { - struct cjpeg_source_struct pub; /* public fields */ - - j_compress_ptr cinfo; /* back link saves passing separate parm */ - - JSAMPARRAY colormap; /* BMP colormap (converted to my format) */ - - jvirt_sarray_ptr whole_image; /* Needed to reverse row order */ - JDIMENSION source_row; /* Current source row number */ - JDIMENSION row_width; /* Physical width of scanlines in file */ - - int bits_per_pixel; /* remembers 8- or 24-bit format */ -} bmp_source_struct; - - -LOCAL(int) -read_byte (bmp_source_ptr sinfo) -/* Read next byte from BMP file */ -{ - register FILE *infile = sinfo->pub.input_file; - register int c; - - if ((c = getc(infile)) == EOF) - ERREXIT(sinfo->cinfo, JERR_INPUT_EOF); - return c; -} - - -LOCAL(void) -read_colormap (bmp_source_ptr sinfo, int cmaplen, int mapentrysize) -/* Read the colormap from a BMP file */ -{ - int i; - - switch (mapentrysize) { - case 3: - /* BGR format (occurs in OS/2 files) */ - for (i = 0; i < cmaplen; i++) { - sinfo->colormap[2][i] = (JSAMPLE) read_byte(sinfo); - sinfo->colormap[1][i] = (JSAMPLE) read_byte(sinfo); - sinfo->colormap[0][i] = (JSAMPLE) read_byte(sinfo); - } - break; - case 4: - /* BGR0 format (occurs in MS Windows files) */ - for (i = 0; i < cmaplen; i++) { - sinfo->colormap[2][i] = (JSAMPLE) read_byte(sinfo); - sinfo->colormap[1][i] = (JSAMPLE) read_byte(sinfo); - sinfo->colormap[0][i] = (JSAMPLE) read_byte(sinfo); - (void) read_byte(sinfo); - } - break; - default: - ERREXIT(sinfo->cinfo, JERR_BMP_BADCMAP); - break; - } -} - - -/* - * Read one row of pixels. - * The image has been read into the whole_image array, but is otherwise - * unprocessed. We must read it out in top-to-bottom row order, and if - * it is an 8-bit image, we must expand colormapped pixels to 24bit format. - */ - -METHODDEF(JDIMENSION) -get_8bit_row (j_compress_ptr cinfo, cjpeg_source_ptr sinfo) -/* This version is for reading 8-bit colormap indexes */ -{ - bmp_source_ptr source = (bmp_source_ptr) sinfo; - register JSAMPARRAY colormap = source->colormap; - JSAMPARRAY image_ptr; - register int t; - register JSAMPROW inptr, outptr; - register JDIMENSION col; - - /* Fetch next row from virtual array */ - source->source_row--; - image_ptr = (*cinfo->mem->access_virt_sarray) - ((j_common_ptr) cinfo, source->whole_image, - source->source_row, (JDIMENSION) 1, FALSE); - - /* Expand the colormap indexes to real data */ - inptr = image_ptr[0]; - outptr = source->pub.buffer[0]; - for (col = cinfo->image_width; col > 0; col--) { - t = GETJSAMPLE(*inptr++); - *outptr++ = colormap[0][t]; /* can omit GETJSAMPLE() safely */ - *outptr++ = colormap[1][t]; - *outptr++ = colormap[2][t]; - } - - return 1; -} - - -METHODDEF(JDIMENSION) -get_24bit_row (j_compress_ptr cinfo, cjpeg_source_ptr sinfo) -/* This version is for reading 24-bit pixels */ -{ - bmp_source_ptr source = (bmp_source_ptr) sinfo; - JSAMPARRAY image_ptr; - register JSAMPROW inptr, outptr; - register JDIMENSION col; - - /* Fetch next row from virtual array */ - source->source_row--; - image_ptr = (*cinfo->mem->access_virt_sarray) - ((j_common_ptr) cinfo, source->whole_image, - source->source_row, (JDIMENSION) 1, FALSE); - - /* Transfer data. Note source values are in BGR order - * (even though Microsoft's own documents say the opposite). - */ - inptr = image_ptr[0]; - outptr = source->pub.buffer[0]; - for (col = cinfo->image_width; col > 0; col--) { - outptr[2] = *inptr++; /* can omit GETJSAMPLE() safely */ - outptr[1] = *inptr++; - outptr[0] = *inptr++; - outptr += 3; - } - - return 1; -} - - -/* - * This method loads the image into whole_image during the first call on - * get_pixel_rows. The get_pixel_rows pointer is then adjusted to call - * get_8bit_row or get_24bit_row on subsequent calls. - */ - -METHODDEF(JDIMENSION) -preload_image (j_compress_ptr cinfo, cjpeg_source_ptr sinfo) -{ - bmp_source_ptr source = (bmp_source_ptr) sinfo; - register FILE *infile = source->pub.input_file; - register int c; - register JSAMPROW out_ptr; - JSAMPARRAY image_ptr; - JDIMENSION row, col; - cd_progress_ptr progress = (cd_progress_ptr) cinfo->progress; - - /* Read the data into a virtual array in input-file row order. */ - for (row = 0; row < cinfo->image_height; row++) { - if (progress != NULL) { - progress->pub.pass_counter = (long) row; - progress->pub.pass_limit = (long) cinfo->image_height; - (*progress->pub.progress_monitor) ((j_common_ptr) cinfo); - } - image_ptr = (*cinfo->mem->access_virt_sarray) - ((j_common_ptr) cinfo, source->whole_image, - row, (JDIMENSION) 1, TRUE); - out_ptr = image_ptr[0]; - for (col = source->row_width; col > 0; col--) { - /* inline copy of read_byte() for speed */ - if ((c = getc(infile)) == EOF) - ERREXIT(cinfo, JERR_INPUT_EOF); - *out_ptr++ = (JSAMPLE) c; - } - } - if (progress != NULL) - progress->completed_extra_passes++; - - /* Set up to read from the virtual array in top-to-bottom order */ - switch (source->bits_per_pixel) { - case 8: - source->pub.get_pixel_rows = get_8bit_row; - break; - case 24: - source->pub.get_pixel_rows = get_24bit_row; - break; - default: - ERREXIT(cinfo, JERR_BMP_BADDEPTH); - } - source->source_row = cinfo->image_height; - - /* And read the first row */ - return (*source->pub.get_pixel_rows) (cinfo, sinfo); -} - - -/* - * Read the file header; return image size and component count. - */ - -METHODDEF(void) -start_input_bmp (j_compress_ptr cinfo, cjpeg_source_ptr sinfo) -{ - bmp_source_ptr source = (bmp_source_ptr) sinfo; - U_CHAR bmpfileheader[14]; - U_CHAR bmpinfoheader[64]; -#define GET_2B(array,offset) ((unsigned int) UCH(array[offset]) + \ - (((unsigned int) UCH(array[offset+1])) << 8)) -#define GET_4B(array,offset) ((INT32) UCH(array[offset]) + \ - (((INT32) UCH(array[offset+1])) << 8) + \ - (((INT32) UCH(array[offset+2])) << 16) + \ - (((INT32) UCH(array[offset+3])) << 24)) - INT32 bfOffBits; - INT32 headerSize; - INT32 biWidth = 0; /* initialize to avoid compiler warning */ - INT32 biHeight = 0; - unsigned int biPlanes; - INT32 biCompression; - INT32 biXPelsPerMeter,biYPelsPerMeter; - INT32 biClrUsed = 0; - int mapentrysize = 0; /* 0 indicates no colormap */ - INT32 bPad; - JDIMENSION row_width; - - /* Read and verify the bitmap file header */ - if (! ReadOK(source->pub.input_file, bmpfileheader, 14)) - ERREXIT(cinfo, JERR_INPUT_EOF); - if (GET_2B(bmpfileheader,0) != 0x4D42) /* 'BM' */ - ERREXIT(cinfo, JERR_BMP_NOT); - bfOffBits = (INT32) GET_4B(bmpfileheader,10); - /* We ignore the remaining fileheader fields */ - - /* The infoheader might be 12 bytes (OS/2 1.x), 40 bytes (Windows), - * or 64 bytes (OS/2 2.x). Check the first 4 bytes to find out which. - */ - if (! ReadOK(source->pub.input_file, bmpinfoheader, 4)) - ERREXIT(cinfo, JERR_INPUT_EOF); - headerSize = (INT32) GET_4B(bmpinfoheader,0); - if (headerSize < 12 || headerSize > 64) - ERREXIT(cinfo, JERR_BMP_BADHEADER); - if (! ReadOK(source->pub.input_file, bmpinfoheader+4, headerSize-4)) - ERREXIT(cinfo, JERR_INPUT_EOF); - - switch ((int) headerSize) { - case 12: - /* Decode OS/2 1.x header (Microsoft calls this a BITMAPCOREHEADER) */ - biWidth = (INT32) GET_2B(bmpinfoheader,4); - biHeight = (INT32) GET_2B(bmpinfoheader,6); - biPlanes = GET_2B(bmpinfoheader,8); - source->bits_per_pixel = (int) GET_2B(bmpinfoheader,10); - - switch (source->bits_per_pixel) { - case 8: /* colormapped image */ - mapentrysize = 3; /* OS/2 uses RGBTRIPLE colormap */ - TRACEMS2(cinfo, 1, JTRC_BMP_OS2_MAPPED, (int) biWidth, (int) biHeight); - break; - case 24: /* RGB image */ - TRACEMS2(cinfo, 1, JTRC_BMP_OS2, (int) biWidth, (int) biHeight); - break; - default: - ERREXIT(cinfo, JERR_BMP_BADDEPTH); - break; - } - if (biPlanes != 1) - ERREXIT(cinfo, JERR_BMP_BADPLANES); - break; - case 40: - case 64: - /* Decode Windows 3.x header (Microsoft calls this a BITMAPINFOHEADER) */ - /* or OS/2 2.x header, which has additional fields that we ignore */ - biWidth = GET_4B(bmpinfoheader,4); - biHeight = GET_4B(bmpinfoheader,8); - biPlanes = GET_2B(bmpinfoheader,12); - source->bits_per_pixel = (int) GET_2B(bmpinfoheader,14); - biCompression = GET_4B(bmpinfoheader,16); - biXPelsPerMeter = GET_4B(bmpinfoheader,24); - biYPelsPerMeter = GET_4B(bmpinfoheader,28); - biClrUsed = GET_4B(bmpinfoheader,32); - /* biSizeImage, biClrImportant fields are ignored */ - - switch (source->bits_per_pixel) { - case 8: /* colormapped image */ - mapentrysize = 4; /* Windows uses RGBQUAD colormap */ - TRACEMS2(cinfo, 1, JTRC_BMP_MAPPED, (int) biWidth, (int) biHeight); - break; - case 24: /* RGB image */ - TRACEMS2(cinfo, 1, JTRC_BMP, (int) biWidth, (int) biHeight); - break; - default: - ERREXIT(cinfo, JERR_BMP_BADDEPTH); - break; - } - if (biPlanes != 1) - ERREXIT(cinfo, JERR_BMP_BADPLANES); - if (biCompression != 0) - ERREXIT(cinfo, JERR_BMP_COMPRESSED); - - if (biXPelsPerMeter > 0 && biYPelsPerMeter > 0) { - /* Set JFIF density parameters from the BMP data */ - cinfo->X_density = (UINT16) (biXPelsPerMeter/100); /* 100 cm per meter */ - cinfo->Y_density = (UINT16) (biYPelsPerMeter/100); - cinfo->density_unit = 2; /* dots/cm */ - } - break; - default: - ERREXIT(cinfo, JERR_BMP_BADHEADER); - break; - } - - /* Compute distance to bitmap data --- will adjust for colormap below */ - bPad = bfOffBits - (headerSize + 14); - - /* Read the colormap, if any */ - if (mapentrysize > 0) { - if (biClrUsed <= 0) - biClrUsed = 256; /* assume it's 256 */ - else if (biClrUsed > 256) - ERREXIT(cinfo, JERR_BMP_BADCMAP); - /* Allocate space to store the colormap */ - source->colormap = (*cinfo->mem->alloc_sarray) - ((j_common_ptr) cinfo, JPOOL_IMAGE, - (JDIMENSION) biClrUsed, (JDIMENSION) 3); - /* and read it from the file */ - read_colormap(source, (int) biClrUsed, mapentrysize); - /* account for size of colormap */ - bPad -= biClrUsed * mapentrysize; - } - - /* Skip any remaining pad bytes */ - if (bPad < 0) /* incorrect bfOffBits value? */ - ERREXIT(cinfo, JERR_BMP_BADHEADER); - while (--bPad >= 0) { - (void) read_byte(source); - } - - /* Compute row width in file, including padding to 4-byte boundary */ - if (source->bits_per_pixel == 24) - row_width = (JDIMENSION) (biWidth * 3); - else - row_width = (JDIMENSION) biWidth; - while ((row_width & 3) != 0) row_width++; - source->row_width = row_width; - - /* Allocate space for inversion array, prepare for preload pass */ - source->whole_image = (*cinfo->mem->request_virt_sarray) - ((j_common_ptr) cinfo, JPOOL_IMAGE, FALSE, - row_width, (JDIMENSION) biHeight, (JDIMENSION) 1); - source->pub.get_pixel_rows = preload_image; - if (cinfo->progress != NULL) { - cd_progress_ptr progress = (cd_progress_ptr) cinfo->progress; - progress->total_extra_passes++; /* count file input as separate pass */ - } - - /* Allocate one-row buffer for returned data */ - source->pub.buffer = (*cinfo->mem->alloc_sarray) - ((j_common_ptr) cinfo, JPOOL_IMAGE, - (JDIMENSION) (biWidth * 3), (JDIMENSION) 1); - source->pub.buffer_height = 1; - - cinfo->in_color_space = JCS_RGB; - cinfo->input_components = 3; - cinfo->data_precision = 8; - cinfo->image_width = (JDIMENSION) biWidth; - cinfo->image_height = (JDIMENSION) biHeight; -} - - -/* - * Finish up at the end of the file. - */ - -METHODDEF(void) -finish_input_bmp (j_compress_ptr cinfo, cjpeg_source_ptr sinfo) -{ - /* no work */ -} - - -/* - * The module selection routine for BMP format input. - */ - -GLOBAL(cjpeg_source_ptr) -jinit_read_bmp (j_compress_ptr cinfo) -{ - bmp_source_ptr source; - - /* Create module interface object */ - source = (bmp_source_ptr) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(bmp_source_struct)); - source->cinfo = cinfo; /* make back link for subroutines */ - /* Fill in method ptrs, except get_pixel_rows which start_input sets */ - source->pub.start_input = start_input_bmp; - source->pub.finish_input = finish_input_bmp; - - return (cjpeg_source_ptr) source; -} - -#endif /* BMP_SUPPORTED */ diff --git a/common/jpeg/rdcolmap.c b/common/jpeg/rdcolmap.c deleted file mode 100644 index 42b34376..00000000 --- a/common/jpeg/rdcolmap.c +++ /dev/null @@ -1,253 +0,0 @@ -/* - * rdcolmap.c - * - * Copyright (C) 1994-1996, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file implements djpeg's "-map file" switch. It reads a source image - * and constructs a colormap to be supplied to the JPEG decompressor. - * - * Currently, these file formats are supported for the map file: - * GIF: the contents of the GIF's global colormap are used. - * PPM (either text or raw flavor): the entire file is read and - * each unique pixel value is entered in the map. - * Note that reading a large PPM file will be horrendously slow. - * Typically, a PPM-format map file should contain just one pixel - * of each desired color. Such a file can be extracted from an - * ordinary image PPM file with ppmtomap(1). - * - * Rescaling a PPM that has a maxval unequal to MAXJSAMPLE is not - * currently implemented. - */ - -#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */ - -#ifdef QUANT_2PASS_SUPPORTED /* otherwise can't quantize to supplied map */ - -/* Portions of this code are based on the PBMPLUS library, which is: -** -** Copyright (C) 1988 by Jef Poskanzer. -** -** Permission to use, copy, modify, and distribute this software and its -** documentation for any purpose and without fee is hereby granted, provided -** that the above copyright notice appear in all copies and that both that -** copyright notice and this permission notice appear in supporting -** documentation. This software is provided "as is" without express or -** implied warranty. -*/ - - -/* - * Add a (potentially) new color to the color map. - */ - -LOCAL(void) -add_map_entry (j_decompress_ptr cinfo, int R, int G, int B) -{ - JSAMPROW colormap0 = cinfo->colormap[0]; - JSAMPROW colormap1 = cinfo->colormap[1]; - JSAMPROW colormap2 = cinfo->colormap[2]; - int ncolors = cinfo->actual_number_of_colors; - int index; - - /* Check for duplicate color. */ - for (index = 0; index < ncolors; index++) { - if (GETJSAMPLE(colormap0[index]) == R && - GETJSAMPLE(colormap1[index]) == G && - GETJSAMPLE(colormap2[index]) == B) - return; /* color is already in map */ - } - - /* Check for map overflow. */ - if (ncolors >= (MAXJSAMPLE+1)) - ERREXIT1(cinfo, JERR_QUANT_MANY_COLORS, (MAXJSAMPLE+1)); - - /* OK, add color to map. */ - colormap0[ncolors] = (JSAMPLE) R; - colormap1[ncolors] = (JSAMPLE) G; - colormap2[ncolors] = (JSAMPLE) B; - cinfo->actual_number_of_colors++; -} - - -/* - * Extract color map from a GIF file. - */ - -LOCAL(void) -read_gif_map (j_decompress_ptr cinfo, FILE * infile) -{ - int header[13]; - int i, colormaplen; - int R, G, B; - - /* Initial 'G' has already been read by read_color_map */ - /* Read the rest of the GIF header and logical screen descriptor */ - for (i = 1; i < 13; i++) { - if ((header[i] = getc(infile)) == EOF) - ERREXIT(cinfo, JERR_BAD_CMAP_FILE); - } - - /* Verify GIF Header */ - if (header[1] != 'I' || header[2] != 'F') - ERREXIT(cinfo, JERR_BAD_CMAP_FILE); - - /* There must be a global color map. */ - if ((header[10] & 0x80) == 0) - ERREXIT(cinfo, JERR_BAD_CMAP_FILE); - - /* OK, fetch it. */ - colormaplen = 2 << (header[10] & 0x07); - - for (i = 0; i < colormaplen; i++) { - R = getc(infile); - G = getc(infile); - B = getc(infile); - if (R == EOF || G == EOF || B == EOF) - ERREXIT(cinfo, JERR_BAD_CMAP_FILE); - add_map_entry(cinfo, - R << (BITS_IN_JSAMPLE-8), - G << (BITS_IN_JSAMPLE-8), - B << (BITS_IN_JSAMPLE-8)); - } -} - - -/* Support routines for reading PPM */ - - -LOCAL(int) -pbm_getc (FILE * infile) -/* Read next char, skipping over any comments */ -/* A comment/newline sequence is returned as a newline */ -{ - register int ch; - - ch = getc(infile); - if (ch == '#') { - do { - ch = getc(infile); - } while (ch != '\n' && ch != EOF); - } - return ch; -} - - -LOCAL(unsigned int) -read_pbm_integer (j_decompress_ptr cinfo, FILE * infile) -/* Read an unsigned decimal integer from the PPM file */ -/* Swallows one trailing character after the integer */ -/* Note that on a 16-bit-int machine, only values up to 64k can be read. */ -/* This should not be a problem in practice. */ -{ - register int ch; - register unsigned int val; - - /* Skip any leading whitespace */ - do { - ch = pbm_getc(infile); - if (ch == EOF) - ERREXIT(cinfo, JERR_BAD_CMAP_FILE); - } while (ch == ' ' || ch == '\t' || ch == '\n' || ch == '\r'); - - if (ch < '0' || ch > '9') - ERREXIT(cinfo, JERR_BAD_CMAP_FILE); - - val = ch - '0'; - while ((ch = pbm_getc(infile)) >= '0' && ch <= '9') { - val *= 10; - val += ch - '0'; - } - return val; -} - - -/* - * Extract color map from a PPM file. - */ - -LOCAL(void) -read_ppm_map (j_decompress_ptr cinfo, FILE * infile) -{ - int c; - unsigned int w, h, maxval, row, col; - int R, G, B; - - /* Initial 'P' has already been read by read_color_map */ - c = getc(infile); /* save format discriminator for a sec */ - - /* while we fetch the remaining header info */ - w = read_pbm_integer(cinfo, infile); - h = read_pbm_integer(cinfo, infile); - maxval = read_pbm_integer(cinfo, infile); - - if (w <= 0 || h <= 0 || maxval <= 0) /* error check */ - ERREXIT(cinfo, JERR_BAD_CMAP_FILE); - - /* For now, we don't support rescaling from an unusual maxval. */ - if (maxval != (unsigned int) MAXJSAMPLE) - ERREXIT(cinfo, JERR_BAD_CMAP_FILE); - - switch (c) { - case '3': /* it's a text-format PPM file */ - for (row = 0; row < h; row++) { - for (col = 0; col < w; col++) { - R = read_pbm_integer(cinfo, infile); - G = read_pbm_integer(cinfo, infile); - B = read_pbm_integer(cinfo, infile); - add_map_entry(cinfo, R, G, B); - } - } - break; - - case '6': /* it's a raw-format PPM file */ - for (row = 0; row < h; row++) { - for (col = 0; col < w; col++) { - R = getc(infile); - G = getc(infile); - B = getc(infile); - if (R == EOF || G == EOF || B == EOF) - ERREXIT(cinfo, JERR_BAD_CMAP_FILE); - add_map_entry(cinfo, R, G, B); - } - } - break; - - default: - ERREXIT(cinfo, JERR_BAD_CMAP_FILE); - break; - } -} - - -/* - * Main entry point from djpeg.c. - * Input: opened input file (from file name argument on command line). - * Output: colormap and actual_number_of_colors fields are set in cinfo. - */ - -GLOBAL(void) -read_color_map (j_decompress_ptr cinfo, FILE * infile) -{ - /* Allocate space for a color map of maximum supported size. */ - cinfo->colormap = (*cinfo->mem->alloc_sarray) - ((j_common_ptr) cinfo, JPOOL_IMAGE, - (JDIMENSION) (MAXJSAMPLE+1), (JDIMENSION) 3); - cinfo->actual_number_of_colors = 0; /* initialize map to empty */ - - /* Read first byte to determine file format */ - switch (getc(infile)) { - case 'G': - read_gif_map(cinfo, infile); - break; - case 'P': - read_ppm_map(cinfo, infile); - break; - default: - ERREXIT(cinfo, JERR_BAD_CMAP_FILE); - break; - } -} - -#endif /* QUANT_2PASS_SUPPORTED */ diff --git a/common/jpeg/rdgif.c b/common/jpeg/rdgif.c deleted file mode 100644 index b27c1675..00000000 --- a/common/jpeg/rdgif.c +++ /dev/null @@ -1,38 +0,0 @@ -/* - * rdgif.c - * - * Copyright (C) 1991-1997, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains routines to read input images in GIF format. - * - ***************************************************************************** - * NOTE: to avoid entanglements with Unisys' patent on LZW compression, * - * the ability to read GIF files has been removed from the IJG distribution. * - * Sorry about that. * - ***************************************************************************** - * - * We are required to state that - * "The Graphics Interchange Format(c) is the Copyright property of - * CompuServe Incorporated. GIF(sm) is a Service Mark property of - * CompuServe Incorporated." - */ - -#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */ - -#ifdef GIF_SUPPORTED - -/* - * The module selection routine for GIF format input. - */ - -GLOBAL(cjpeg_source_ptr) -jinit_read_gif (j_compress_ptr cinfo) -{ - fprintf(stderr, "GIF input is unsupported for legal reasons. Sorry.\n"); - exit(EXIT_FAILURE); - return NULL; /* keep compiler happy */ -} - -#endif /* GIF_SUPPORTED */ diff --git a/common/jpeg/rdppm.c b/common/jpeg/rdppm.c deleted file mode 100644 index 1df35c1b..00000000 --- a/common/jpeg/rdppm.c +++ /dev/null @@ -1,458 +0,0 @@ -/* - * rdppm.c - * - * Copyright (C) 1991-1997, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains routines to read input images in PPM/PGM format. - * The extended 2-byte-per-sample raw PPM/PGM formats are supported. - * The PBMPLUS library is NOT required to compile this software - * (but it is highly useful as a set of PPM image manipulation programs). - * - * These routines may need modification for non-Unix environments or - * specialized applications. As they stand, they assume input from - * an ordinary stdio stream. They further assume that reading begins - * at the start of the file; start_input may need work if the - * user interface has already read some data (e.g., to determine that - * the file is indeed PPM format). - */ - -#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */ - -#ifdef PPM_SUPPORTED - - -/* Portions of this code are based on the PBMPLUS library, which is: -** -** Copyright (C) 1988 by Jef Poskanzer. -** -** Permission to use, copy, modify, and distribute this software and its -** documentation for any purpose and without fee is hereby granted, provided -** that the above copyright notice appear in all copies and that both that -** copyright notice and this permission notice appear in supporting -** documentation. This software is provided "as is" without express or -** implied warranty. -*/ - - -/* Macros to deal with unsigned chars as efficiently as compiler allows */ - -#ifdef HAVE_UNSIGNED_CHAR -typedef unsigned char U_CHAR; -#define UCH(x) ((int) (x)) -#else /* !HAVE_UNSIGNED_CHAR */ -#ifdef CHAR_IS_UNSIGNED -typedef char U_CHAR; -#define UCH(x) ((int) (x)) -#else -typedef char U_CHAR; -#define UCH(x) ((int) (x) & 0xFF) -#endif -#endif /* HAVE_UNSIGNED_CHAR */ - - -#define ReadOK(file,buffer,len) (JFREAD(file,buffer,len) == ((size_t) (len))) - - -/* - * On most systems, reading individual bytes with getc() is drastically less - * efficient than buffering a row at a time with fread(). On PCs, we must - * allocate the buffer in near data space, because we are assuming small-data - * memory model, wherein fread() can't reach far memory. If you need to - * process very wide images on a PC, you might have to compile in large-memory - * model, or else replace fread() with a getc() loop --- which will be much - * slower. - */ - - -/* Private version of data source object */ - -typedef struct { - struct cjpeg_source_struct pub; /* public fields */ - - U_CHAR *iobuffer; /* non-FAR pointer to I/O buffer */ - JSAMPROW pixrow; /* FAR pointer to same */ - size_t buffer_width; /* width of I/O buffer */ - JSAMPLE *rescale; /* => maxval-remapping array, or NULL */ -} ppm_source_struct; - -typedef ppm_source_struct * ppm_source_ptr; - - -LOCAL(int) -pbm_getc (FILE * infile) -/* Read next char, skipping over any comments */ -/* A comment/newline sequence is returned as a newline */ -{ - register int ch; - - ch = getc(infile); - if (ch == '#') { - do { - ch = getc(infile); - } while (ch != '\n' && ch != EOF); - } - return ch; -} - - -LOCAL(unsigned int) -read_pbm_integer (j_compress_ptr cinfo, FILE * infile) -/* Read an unsigned decimal integer from the PPM file */ -/* Swallows one trailing character after the integer */ -/* Note that on a 16-bit-int machine, only values up to 64k can be read. */ -/* This should not be a problem in practice. */ -{ - register int ch; - register unsigned int val; - - /* Skip any leading whitespace */ - do { - ch = pbm_getc(infile); - if (ch == EOF) - ERREXIT(cinfo, JERR_INPUT_EOF); - } while (ch == ' ' || ch == '\t' || ch == '\n' || ch == '\r'); - - if (ch < '0' || ch > '9') - ERREXIT(cinfo, JERR_PPM_NONNUMERIC); - - val = ch - '0'; - while ((ch = pbm_getc(infile)) >= '0' && ch <= '9') { - val *= 10; - val += ch - '0'; - } - return val; -} - - -/* - * Read one row of pixels. - * - * We provide several different versions depending on input file format. - * In all cases, input is scaled to the size of JSAMPLE. - * - * A really fast path is provided for reading byte/sample raw files with - * maxval = MAXJSAMPLE, which is the normal case for 8-bit data. - */ - - -METHODDEF(JDIMENSION) -get_text_gray_row (j_compress_ptr cinfo, cjpeg_source_ptr sinfo) -/* This version is for reading text-format PGM files with any maxval */ -{ - ppm_source_ptr source = (ppm_source_ptr) sinfo; - FILE * infile = source->pub.input_file; - register JSAMPROW ptr; - register JSAMPLE *rescale = source->rescale; - JDIMENSION col; - - ptr = source->pub.buffer[0]; - for (col = cinfo->image_width; col > 0; col--) { - *ptr++ = rescale[read_pbm_integer(cinfo, infile)]; - } - return 1; -} - - -METHODDEF(JDIMENSION) -get_text_rgb_row (j_compress_ptr cinfo, cjpeg_source_ptr sinfo) -/* This version is for reading text-format PPM files with any maxval */ -{ - ppm_source_ptr source = (ppm_source_ptr) sinfo; - FILE * infile = source->pub.input_file; - register JSAMPROW ptr; - register JSAMPLE *rescale = source->rescale; - JDIMENSION col; - - ptr = source->pub.buffer[0]; - for (col = cinfo->image_width; col > 0; col--) { - *ptr++ = rescale[read_pbm_integer(cinfo, infile)]; - *ptr++ = rescale[read_pbm_integer(cinfo, infile)]; - *ptr++ = rescale[read_pbm_integer(cinfo, infile)]; - } - return 1; -} - - -METHODDEF(JDIMENSION) -get_scaled_gray_row (j_compress_ptr cinfo, cjpeg_source_ptr sinfo) -/* This version is for reading raw-byte-format PGM files with any maxval */ -{ - ppm_source_ptr source = (ppm_source_ptr) sinfo; - register JSAMPROW ptr; - register U_CHAR * bufferptr; - register JSAMPLE *rescale = source->rescale; - JDIMENSION col; - - if (! ReadOK(source->pub.input_file, source->iobuffer, source->buffer_width)) - ERREXIT(cinfo, JERR_INPUT_EOF); - ptr = source->pub.buffer[0]; - bufferptr = source->iobuffer; - for (col = cinfo->image_width; col > 0; col--) { - *ptr++ = rescale[UCH(*bufferptr++)]; - } - return 1; -} - - -METHODDEF(JDIMENSION) -get_scaled_rgb_row (j_compress_ptr cinfo, cjpeg_source_ptr sinfo) -/* This version is for reading raw-byte-format PPM files with any maxval */ -{ - ppm_source_ptr source = (ppm_source_ptr) sinfo; - register JSAMPROW ptr; - register U_CHAR * bufferptr; - register JSAMPLE *rescale = source->rescale; - JDIMENSION col; - - if (! ReadOK(source->pub.input_file, source->iobuffer, source->buffer_width)) - ERREXIT(cinfo, JERR_INPUT_EOF); - ptr = source->pub.buffer[0]; - bufferptr = source->iobuffer; - for (col = cinfo->image_width; col > 0; col--) { - *ptr++ = rescale[UCH(*bufferptr++)]; - *ptr++ = rescale[UCH(*bufferptr++)]; - *ptr++ = rescale[UCH(*bufferptr++)]; - } - return 1; -} - - -METHODDEF(JDIMENSION) -get_raw_row (j_compress_ptr cinfo, cjpeg_source_ptr sinfo) -/* This version is for reading raw-byte-format files with maxval = MAXJSAMPLE. - * In this case we just read right into the JSAMPLE buffer! - * Note that same code works for PPM and PGM files. - */ -{ - ppm_source_ptr source = (ppm_source_ptr) sinfo; - - if (! ReadOK(source->pub.input_file, source->iobuffer, source->buffer_width)) - ERREXIT(cinfo, JERR_INPUT_EOF); - return 1; -} - - -METHODDEF(JDIMENSION) -get_word_gray_row (j_compress_ptr cinfo, cjpeg_source_ptr sinfo) -/* This version is for reading raw-word-format PGM files with any maxval */ -{ - ppm_source_ptr source = (ppm_source_ptr) sinfo; - register JSAMPROW ptr; - register U_CHAR * bufferptr; - register JSAMPLE *rescale = source->rescale; - JDIMENSION col; - - if (! ReadOK(source->pub.input_file, source->iobuffer, source->buffer_width)) - ERREXIT(cinfo, JERR_INPUT_EOF); - ptr = source->pub.buffer[0]; - bufferptr = source->iobuffer; - for (col = cinfo->image_width; col > 0; col--) { - register int temp; - temp = UCH(*bufferptr++); - temp |= UCH(*bufferptr++) << 8; - *ptr++ = rescale[temp]; - } - return 1; -} - - -METHODDEF(JDIMENSION) -get_word_rgb_row (j_compress_ptr cinfo, cjpeg_source_ptr sinfo) -/* This version is for reading raw-word-format PPM files with any maxval */ -{ - ppm_source_ptr source = (ppm_source_ptr) sinfo; - register JSAMPROW ptr; - register U_CHAR * bufferptr; - register JSAMPLE *rescale = source->rescale; - JDIMENSION col; - - if (! ReadOK(source->pub.input_file, source->iobuffer, source->buffer_width)) - ERREXIT(cinfo, JERR_INPUT_EOF); - ptr = source->pub.buffer[0]; - bufferptr = source->iobuffer; - for (col = cinfo->image_width; col > 0; col--) { - register int temp; - temp = UCH(*bufferptr++); - temp |= UCH(*bufferptr++) << 8; - *ptr++ = rescale[temp]; - temp = UCH(*bufferptr++); - temp |= UCH(*bufferptr++) << 8; - *ptr++ = rescale[temp]; - temp = UCH(*bufferptr++); - temp |= UCH(*bufferptr++) << 8; - *ptr++ = rescale[temp]; - } - return 1; -} - - -/* - * Read the file header; return image size and component count. - */ - -METHODDEF(void) -start_input_ppm (j_compress_ptr cinfo, cjpeg_source_ptr sinfo) -{ - ppm_source_ptr source = (ppm_source_ptr) sinfo; - int c; - unsigned int w, h, maxval; - boolean need_iobuffer, use_raw_buffer, need_rescale; - - if (getc(source->pub.input_file) != 'P') - ERREXIT(cinfo, JERR_PPM_NOT); - - c = getc(source->pub.input_file); /* subformat discriminator character */ - - /* detect unsupported variants (ie, PBM) before trying to read header */ - switch (c) { - case '2': /* it's a text-format PGM file */ - case '3': /* it's a text-format PPM file */ - case '5': /* it's a raw-format PGM file */ - case '6': /* it's a raw-format PPM file */ - break; - default: - ERREXIT(cinfo, JERR_PPM_NOT); - break; - } - - /* fetch the remaining header info */ - w = read_pbm_integer(cinfo, source->pub.input_file); - h = read_pbm_integer(cinfo, source->pub.input_file); - maxval = read_pbm_integer(cinfo, source->pub.input_file); - - if (w <= 0 || h <= 0 || maxval <= 0) /* error check */ - ERREXIT(cinfo, JERR_PPM_NOT); - - cinfo->data_precision = BITS_IN_JSAMPLE; /* we always rescale data to this */ - cinfo->image_width = (JDIMENSION) w; - cinfo->image_height = (JDIMENSION) h; - - /* initialize flags to most common settings */ - need_iobuffer = TRUE; /* do we need an I/O buffer? */ - use_raw_buffer = FALSE; /* do we map input buffer onto I/O buffer? */ - need_rescale = TRUE; /* do we need a rescale array? */ - - switch (c) { - case '2': /* it's a text-format PGM file */ - cinfo->input_components = 1; - cinfo->in_color_space = JCS_GRAYSCALE; - TRACEMS2(cinfo, 1, JTRC_PGM_TEXT, w, h); - source->pub.get_pixel_rows = get_text_gray_row; - need_iobuffer = FALSE; - break; - - case '3': /* it's a text-format PPM file */ - cinfo->input_components = 3; - cinfo->in_color_space = JCS_RGB; - TRACEMS2(cinfo, 1, JTRC_PPM_TEXT, w, h); - source->pub.get_pixel_rows = get_text_rgb_row; - need_iobuffer = FALSE; - break; - - case '5': /* it's a raw-format PGM file */ - cinfo->input_components = 1; - cinfo->in_color_space = JCS_GRAYSCALE; - TRACEMS2(cinfo, 1, JTRC_PGM, w, h); - if (maxval > 255) { - source->pub.get_pixel_rows = get_word_gray_row; - } else if (maxval == MAXJSAMPLE && SIZEOF(JSAMPLE) == SIZEOF(U_CHAR)) { - source->pub.get_pixel_rows = get_raw_row; - use_raw_buffer = TRUE; - need_rescale = FALSE; - } else { - source->pub.get_pixel_rows = get_scaled_gray_row; - } - break; - - case '6': /* it's a raw-format PPM file */ - cinfo->input_components = 3; - cinfo->in_color_space = JCS_RGB; - TRACEMS2(cinfo, 1, JTRC_PPM, w, h); - if (maxval > 255) { - source->pub.get_pixel_rows = get_word_rgb_row; - } else if (maxval == MAXJSAMPLE && SIZEOF(JSAMPLE) == SIZEOF(U_CHAR)) { - source->pub.get_pixel_rows = get_raw_row; - use_raw_buffer = TRUE; - need_rescale = FALSE; - } else { - source->pub.get_pixel_rows = get_scaled_rgb_row; - } - break; - } - - /* Allocate space for I/O buffer: 1 or 3 bytes or words/pixel. */ - if (need_iobuffer) { - source->buffer_width = (size_t) w * cinfo->input_components * - ((maxval<=255) ? SIZEOF(U_CHAR) : (2*SIZEOF(U_CHAR))); - source->iobuffer = (U_CHAR *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - source->buffer_width); - } - - /* Create compressor input buffer. */ - if (use_raw_buffer) { - /* For unscaled raw-input case, we can just map it onto the I/O buffer. */ - /* Synthesize a JSAMPARRAY pointer structure */ - /* Cast here implies near->far pointer conversion on PCs */ - source->pixrow = (JSAMPROW) source->iobuffer; - source->pub.buffer = & source->pixrow; - source->pub.buffer_height = 1; - } else { - /* Need to translate anyway, so make a separate sample buffer. */ - source->pub.buffer = (*cinfo->mem->alloc_sarray) - ((j_common_ptr) cinfo, JPOOL_IMAGE, - (JDIMENSION) w * cinfo->input_components, (JDIMENSION) 1); - source->pub.buffer_height = 1; - } - - /* Compute the rescaling array if required. */ - if (need_rescale) { - INT32 val, half_maxval; - - /* On 16-bit-int machines we have to be careful of maxval = 65535 */ - source->rescale = (JSAMPLE *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - (size_t) (((long) maxval + 1L) * SIZEOF(JSAMPLE))); - half_maxval = maxval / 2; - for (val = 0; val <= (INT32) maxval; val++) { - /* The multiplication here must be done in 32 bits to avoid overflow */ - source->rescale[val] = (JSAMPLE) ((val*MAXJSAMPLE + half_maxval)/maxval); - } - } -} - - -/* - * Finish up at the end of the file. - */ - -METHODDEF(void) -finish_input_ppm (j_compress_ptr cinfo, cjpeg_source_ptr sinfo) -{ - /* no work */ -} - - -/* - * The module selection routine for PPM format input. - */ - -GLOBAL(cjpeg_source_ptr) -jinit_read_ppm (j_compress_ptr cinfo) -{ - ppm_source_ptr source; - - /* Create module interface object */ - source = (ppm_source_ptr) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(ppm_source_struct)); - /* Fill in method ptrs, except get_pixel_rows which start_input sets */ - source->pub.start_input = start_input_ppm; - source->pub.finish_input = finish_input_ppm; - - return (cjpeg_source_ptr) source; -} - -#endif /* PPM_SUPPORTED */ diff --git a/common/jpeg/rdswitch.c b/common/jpeg/rdswitch.c deleted file mode 100644 index 4f4bb4f5..00000000 --- a/common/jpeg/rdswitch.c +++ /dev/null @@ -1,332 +0,0 @@ -/* - * rdswitch.c - * - * Copyright (C) 1991-1996, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains routines to process some of cjpeg's more complicated - * command-line switches. Switches processed here are: - * -qtables file Read quantization tables from text file - * -scans file Read scan script from text file - * -qslots N[,N,...] Set component quantization table selectors - * -sample HxV[,HxV,...] Set component sampling factors - */ - -#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */ -#include <ctype.h> /* to declare isdigit(), isspace() */ - - -LOCAL(int) -text_getc (FILE * file) -/* Read next char, skipping over any comments (# to end of line) */ -/* A comment/newline sequence is returned as a newline */ -{ - register int ch; - - ch = getc(file); - if (ch == '#') { - do { - ch = getc(file); - } while (ch != '\n' && ch != EOF); - } - return ch; -} - - -LOCAL(boolean) -read_text_integer (FILE * file, long * result, int * termchar) -/* Read an unsigned decimal integer from a file, store it in result */ -/* Reads one trailing character after the integer; returns it in termchar */ -{ - register int ch; - register long val; - - /* Skip any leading whitespace, detect EOF */ - do { - ch = text_getc(file); - if (ch == EOF) { - *termchar = ch; - return FALSE; - } - } while (isspace(ch)); - - if (! isdigit(ch)) { - *termchar = ch; - return FALSE; - } - - val = ch - '0'; - while ((ch = text_getc(file)) != EOF) { - if (! isdigit(ch)) - break; - val *= 10; - val += ch - '0'; - } - *result = val; - *termchar = ch; - return TRUE; -} - - -GLOBAL(boolean) -read_quant_tables (j_compress_ptr cinfo, char * filename, - int scale_factor, boolean force_baseline) -/* Read a set of quantization tables from the specified file. - * The file is plain ASCII text: decimal numbers with whitespace between. - * Comments preceded by '#' may be included in the file. - * There may be one to NUM_QUANT_TBLS tables in the file, each of 64 values. - * The tables are implicitly numbered 0,1,etc. - * NOTE: does not affect the qslots mapping, which will default to selecting - * table 0 for luminance (or primary) components, 1 for chrominance components. - * You must use -qslots if you want a different component->table mapping. - */ -{ - FILE * fp; - int tblno, i, termchar; - long val; - unsigned int table[DCTSIZE2]; - - if ((fp = fopen(filename, "r")) == NULL) { - fprintf(stderr, "Can't open table file %s\n", filename); - return FALSE; - } - tblno = 0; - - while (read_text_integer(fp, &val, &termchar)) { /* read 1st element of table */ - if (tblno >= NUM_QUANT_TBLS) { - fprintf(stderr, "Too many tables in file %s\n", filename); - fclose(fp); - return FALSE; - } - table[0] = (unsigned int) val; - for (i = 1; i < DCTSIZE2; i++) { - if (! read_text_integer(fp, &val, &termchar)) { - fprintf(stderr, "Invalid table data in file %s\n", filename); - fclose(fp); - return FALSE; - } - table[i] = (unsigned int) val; - } - jpeg_add_quant_table(cinfo, tblno, table, scale_factor, force_baseline); - tblno++; - } - - if (termchar != EOF) { - fprintf(stderr, "Non-numeric data in file %s\n", filename); - fclose(fp); - return FALSE; - } - - fclose(fp); - return TRUE; -} - - -#ifdef C_MULTISCAN_FILES_SUPPORTED - -LOCAL(boolean) -read_scan_integer (FILE * file, long * result, int * termchar) -/* Variant of read_text_integer that always looks for a non-space termchar; - * this simplifies parsing of punctuation in scan scripts. - */ -{ - register int ch; - - if (! read_text_integer(file, result, termchar)) - return FALSE; - ch = *termchar; - while (ch != EOF && isspace(ch)) - ch = text_getc(file); - if (isdigit(ch)) { /* oops, put it back */ - if (ungetc(ch, file) == EOF) - return FALSE; - ch = ' '; - } else { - /* Any separators other than ';' and ':' are ignored; - * this allows user to insert commas, etc, if desired. - */ - if (ch != EOF && ch != ';' && ch != ':') - ch = ' '; - } - *termchar = ch; - return TRUE; -} - - -GLOBAL(boolean) -read_scan_script (j_compress_ptr cinfo, char * filename) -/* Read a scan script from the specified text file. - * Each entry in the file defines one scan to be emitted. - * Entries are separated by semicolons ';'. - * An entry contains one to four component indexes, - * optionally followed by a colon ':' and four progressive-JPEG parameters. - * The component indexes denote which component(s) are to be transmitted - * in the current scan. The first component has index 0. - * Sequential JPEG is used if the progressive-JPEG parameters are omitted. - * The file is free format text: any whitespace may appear between numbers - * and the ':' and ';' punctuation marks. Also, other punctuation (such - * as commas or dashes) can be placed between numbers if desired. - * Comments preceded by '#' may be included in the file. - * Note: we do very little validity checking here; - * jcmaster.c will validate the script parameters. - */ -{ - FILE * fp; - int scanno, ncomps, termchar; - long val; - jpeg_scan_info * scanptr; -#define MAX_SCANS 100 /* quite arbitrary limit */ - jpeg_scan_info scans[MAX_SCANS]; - - if ((fp = fopen(filename, "r")) == NULL) { - fprintf(stderr, "Can't open scan definition file %s\n", filename); - return FALSE; - } - scanptr = scans; - scanno = 0; - - while (read_scan_integer(fp, &val, &termchar)) { - if (scanno >= MAX_SCANS) { - fprintf(stderr, "Too many scans defined in file %s\n", filename); - fclose(fp); - return FALSE; - } - scanptr->component_index[0] = (int) val; - ncomps = 1; - while (termchar == ' ') { - if (ncomps >= MAX_COMPS_IN_SCAN) { - fprintf(stderr, "Too many components in one scan in file %s\n", - filename); - fclose(fp); - return FALSE; - } - if (! read_scan_integer(fp, &val, &termchar)) - goto bogus; - scanptr->component_index[ncomps] = (int) val; - ncomps++; - } - scanptr->comps_in_scan = ncomps; - if (termchar == ':') { - if (! read_scan_integer(fp, &val, &termchar) || termchar != ' ') - goto bogus; - scanptr->Ss = (int) val; - if (! read_scan_integer(fp, &val, &termchar) || termchar != ' ') - goto bogus; - scanptr->Se = (int) val; - if (! read_scan_integer(fp, &val, &termchar) || termchar != ' ') - goto bogus; - scanptr->Ah = (int) val; - if (! read_scan_integer(fp, &val, &termchar)) - goto bogus; - scanptr->Al = (int) val; - } else { - /* set non-progressive parameters */ - scanptr->Ss = 0; - scanptr->Se = DCTSIZE2-1; - scanptr->Ah = 0; - scanptr->Al = 0; - } - if (termchar != ';' && termchar != EOF) { -bogus: - fprintf(stderr, "Invalid scan entry format in file %s\n", filename); - fclose(fp); - return FALSE; - } - scanptr++, scanno++; - } - - if (termchar != EOF) { - fprintf(stderr, "Non-numeric data in file %s\n", filename); - fclose(fp); - return FALSE; - } - - if (scanno > 0) { - /* Stash completed scan list in cinfo structure. - * NOTE: for cjpeg's use, JPOOL_IMAGE is the right lifetime for this data, - * but if you want to compress multiple images you'd want JPOOL_PERMANENT. - */ - scanptr = (jpeg_scan_info *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - scanno * SIZEOF(jpeg_scan_info)); - MEMCOPY(scanptr, scans, scanno * SIZEOF(jpeg_scan_info)); - cinfo->scan_info = scanptr; - cinfo->num_scans = scanno; - } - - fclose(fp); - return TRUE; -} - -#endif /* C_MULTISCAN_FILES_SUPPORTED */ - - -GLOBAL(boolean) -set_quant_slots (j_compress_ptr cinfo, char *arg) -/* Process a quantization-table-selectors parameter string, of the form - * N[,N,...] - * If there are more components than parameters, the last value is replicated. - */ -{ - int val = 0; /* default table # */ - int ci; - char ch; - - for (ci = 0; ci < MAX_COMPONENTS; ci++) { - if (*arg) { - ch = ','; /* if not set by sscanf, will be ',' */ - if (sscanf(arg, "%d%c", &val, &ch) < 1) - return FALSE; - if (ch != ',') /* syntax check */ - return FALSE; - if (val < 0 || val >= NUM_QUANT_TBLS) { - fprintf(stderr, "JPEG quantization tables are numbered 0..%d\n", - NUM_QUANT_TBLS-1); - return FALSE; - } - cinfo->comp_info[ci].quant_tbl_no = val; - while (*arg && *arg++ != ',') /* advance to next segment of arg string */ - ; - } else { - /* reached end of parameter, set remaining components to last table */ - cinfo->comp_info[ci].quant_tbl_no = val; - } - } - return TRUE; -} - - -GLOBAL(boolean) -set_sample_factors (j_compress_ptr cinfo, char *arg) -/* Process a sample-factors parameter string, of the form - * HxV[,HxV,...] - * If there are more components than parameters, "1x1" is assumed for the rest. - */ -{ - int ci, val1, val2; - char ch1, ch2; - - for (ci = 0; ci < MAX_COMPONENTS; ci++) { - if (*arg) { - ch2 = ','; /* if not set by sscanf, will be ',' */ - if (sscanf(arg, "%d%c%d%c", &val1, &ch1, &val2, &ch2) < 3) - return FALSE; - if ((ch1 != 'x' && ch1 != 'X') || ch2 != ',') /* syntax check */ - return FALSE; - if (val1 <= 0 || val1 > 4 || val2 <= 0 || val2 > 4) { - fprintf(stderr, "JPEG sampling factors must be 1..4\n"); - return FALSE; - } - cinfo->comp_info[ci].h_samp_factor = val1; - cinfo->comp_info[ci].v_samp_factor = val2; - while (*arg && *arg++ != ',') /* advance to next segment of arg string */ - ; - } else { - /* reached end of parameter, set remaining components to 1x1 sampling */ - cinfo->comp_info[ci].h_samp_factor = 1; - cinfo->comp_info[ci].v_samp_factor = 1; - } - } - return TRUE; -} diff --git a/common/jpeg/rdtarga.c b/common/jpeg/rdtarga.c deleted file mode 100644 index 4c2cd267..00000000 --- a/common/jpeg/rdtarga.c +++ /dev/null @@ -1,500 +0,0 @@ -/* - * rdtarga.c - * - * Copyright (C) 1991-1996, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains routines to read input images in Targa format. - * - * These routines may need modification for non-Unix environments or - * specialized applications. As they stand, they assume input from - * an ordinary stdio stream. They further assume that reading begins - * at the start of the file; start_input may need work if the - * user interface has already read some data (e.g., to determine that - * the file is indeed Targa format). - * - * Based on code contributed by Lee Daniel Crocker. - */ - -#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */ - -#ifdef TARGA_SUPPORTED - - -/* Macros to deal with unsigned chars as efficiently as compiler allows */ - -#ifdef HAVE_UNSIGNED_CHAR -typedef unsigned char U_CHAR; -#define UCH(x) ((int) (x)) -#else /* !HAVE_UNSIGNED_CHAR */ -#ifdef CHAR_IS_UNSIGNED -typedef char U_CHAR; -#define UCH(x) ((int) (x)) -#else -typedef char U_CHAR; -#define UCH(x) ((int) (x) & 0xFF) -#endif -#endif /* HAVE_UNSIGNED_CHAR */ - - -#define ReadOK(file,buffer,len) (JFREAD(file,buffer,len) == ((size_t) (len))) - - -/* Private version of data source object */ - -typedef struct _tga_source_struct * tga_source_ptr; - -typedef struct _tga_source_struct { - struct cjpeg_source_struct pub; /* public fields */ - - j_compress_ptr cinfo; /* back link saves passing separate parm */ - - JSAMPARRAY colormap; /* Targa colormap (converted to my format) */ - - jvirt_sarray_ptr whole_image; /* Needed if funny input row order */ - JDIMENSION current_row; /* Current logical row number to read */ - - /* Pointer to routine to extract next Targa pixel from input file */ - JMETHOD(void, read_pixel, (tga_source_ptr sinfo)); - - /* Result of read_pixel is delivered here: */ - U_CHAR tga_pixel[4]; - - int pixel_size; /* Bytes per Targa pixel (1 to 4) */ - - /* State info for reading RLE-coded pixels; both counts must be init to 0 */ - int block_count; /* # of pixels remaining in RLE block */ - int dup_pixel_count; /* # of times to duplicate previous pixel */ - - /* This saves the correct pixel-row-expansion method for preload_image */ - JMETHOD(JDIMENSION, get_pixel_rows, (j_compress_ptr cinfo, - cjpeg_source_ptr sinfo)); -} tga_source_struct; - - -/* For expanding 5-bit pixel values to 8-bit with best rounding */ - -static const UINT8 c5to8bits[32] = { - 0, 8, 16, 25, 33, 41, 49, 58, - 66, 74, 82, 90, 99, 107, 115, 123, - 132, 140, 148, 156, 165, 173, 181, 189, - 197, 206, 214, 222, 230, 239, 247, 255 -}; - - - -LOCAL(int) -read_byte (tga_source_ptr sinfo) -/* Read next byte from Targa file */ -{ - register FILE *infile = sinfo->pub.input_file; - register int c; - - if ((c = getc(infile)) == EOF) - ERREXIT(sinfo->cinfo, JERR_INPUT_EOF); - return c; -} - - -LOCAL(void) -read_colormap (tga_source_ptr sinfo, int cmaplen, int mapentrysize) -/* Read the colormap from a Targa file */ -{ - int i; - - /* Presently only handles 24-bit BGR format */ - if (mapentrysize != 24) - ERREXIT(sinfo->cinfo, JERR_TGA_BADCMAP); - - for (i = 0; i < cmaplen; i++) { - sinfo->colormap[2][i] = (JSAMPLE) read_byte(sinfo); - sinfo->colormap[1][i] = (JSAMPLE) read_byte(sinfo); - sinfo->colormap[0][i] = (JSAMPLE) read_byte(sinfo); - } -} - - -/* - * read_pixel methods: get a single pixel from Targa file into tga_pixel[] - */ - -METHODDEF(void) -read_non_rle_pixel (tga_source_ptr sinfo) -/* Read one Targa pixel from the input file; no RLE expansion */ -{ - register FILE *infile = sinfo->pub.input_file; - register int i; - - for (i = 0; i < sinfo->pixel_size; i++) { - sinfo->tga_pixel[i] = (U_CHAR) getc(infile); - } -} - - -METHODDEF(void) -read_rle_pixel (tga_source_ptr sinfo) -/* Read one Targa pixel from the input file, expanding RLE data as needed */ -{ - register FILE *infile = sinfo->pub.input_file; - register int i; - - /* Duplicate previously read pixel? */ - if (sinfo->dup_pixel_count > 0) { - sinfo->dup_pixel_count--; - return; - } - - /* Time to read RLE block header? */ - if (--sinfo->block_count < 0) { /* decrement pixels remaining in block */ - i = read_byte(sinfo); - if (i & 0x80) { /* Start of duplicate-pixel block? */ - sinfo->dup_pixel_count = i & 0x7F; /* number of dups after this one */ - sinfo->block_count = 0; /* then read new block header */ - } else { - sinfo->block_count = i & 0x7F; /* number of pixels after this one */ - } - } - - /* Read next pixel */ - for (i = 0; i < sinfo->pixel_size; i++) { - sinfo->tga_pixel[i] = (U_CHAR) getc(infile); - } -} - - -/* - * Read one row of pixels. - * - * We provide several different versions depending on input file format. - */ - - -METHODDEF(JDIMENSION) -get_8bit_gray_row (j_compress_ptr cinfo, cjpeg_source_ptr sinfo) -/* This version is for reading 8-bit grayscale pixels */ -{ - tga_source_ptr source = (tga_source_ptr) sinfo; - register JSAMPROW ptr; - register JDIMENSION col; - - ptr = source->pub.buffer[0]; - for (col = cinfo->image_width; col > 0; col--) { - (*source->read_pixel) (source); /* Load next pixel into tga_pixel */ - *ptr++ = (JSAMPLE) UCH(source->tga_pixel[0]); - } - return 1; -} - -METHODDEF(JDIMENSION) -get_8bit_row (j_compress_ptr cinfo, cjpeg_source_ptr sinfo) -/* This version is for reading 8-bit colormap indexes */ -{ - tga_source_ptr source = (tga_source_ptr) sinfo; - register int t; - register JSAMPROW ptr; - register JDIMENSION col; - register JSAMPARRAY colormap = source->colormap; - - ptr = source->pub.buffer[0]; - for (col = cinfo->image_width; col > 0; col--) { - (*source->read_pixel) (source); /* Load next pixel into tga_pixel */ - t = UCH(source->tga_pixel[0]); - *ptr++ = colormap[0][t]; - *ptr++ = colormap[1][t]; - *ptr++ = colormap[2][t]; - } - return 1; -} - -METHODDEF(JDIMENSION) -get_16bit_row (j_compress_ptr cinfo, cjpeg_source_ptr sinfo) -/* This version is for reading 16-bit pixels */ -{ - tga_source_ptr source = (tga_source_ptr) sinfo; - register int t; - register JSAMPROW ptr; - register JDIMENSION col; - - ptr = source->pub.buffer[0]; - for (col = cinfo->image_width; col > 0; col--) { - (*source->read_pixel) (source); /* Load next pixel into tga_pixel */ - t = UCH(source->tga_pixel[0]); - t += UCH(source->tga_pixel[1]) << 8; - /* We expand 5 bit data to 8 bit sample width. - * The format of the 16-bit (LSB first) input word is - * xRRRRRGGGGGBBBBB - */ - ptr[2] = (JSAMPLE) c5to8bits[t & 0x1F]; - t >>= 5; - ptr[1] = (JSAMPLE) c5to8bits[t & 0x1F]; - t >>= 5; - ptr[0] = (JSAMPLE) c5to8bits[t & 0x1F]; - ptr += 3; - } - return 1; -} - -METHODDEF(JDIMENSION) -get_24bit_row (j_compress_ptr cinfo, cjpeg_source_ptr sinfo) -/* This version is for reading 24-bit pixels */ -{ - tga_source_ptr source = (tga_source_ptr) sinfo; - register JSAMPROW ptr; - register JDIMENSION col; - - ptr = source->pub.buffer[0]; - for (col = cinfo->image_width; col > 0; col--) { - (*source->read_pixel) (source); /* Load next pixel into tga_pixel */ - *ptr++ = (JSAMPLE) UCH(source->tga_pixel[2]); /* change BGR to RGB order */ - *ptr++ = (JSAMPLE) UCH(source->tga_pixel[1]); - *ptr++ = (JSAMPLE) UCH(source->tga_pixel[0]); - } - return 1; -} - -/* - * Targa also defines a 32-bit pixel format with order B,G,R,A. - * We presently ignore the attribute byte, so the code for reading - * these pixels is identical to the 24-bit routine above. - * This works because the actual pixel length is only known to read_pixel. - */ - -#define get_32bit_row get_24bit_row - - -/* - * This method is for re-reading the input data in standard top-down - * row order. The entire image has already been read into whole_image - * with proper conversion of pixel format, but it's in a funny row order. - */ - -METHODDEF(JDIMENSION) -get_memory_row (j_compress_ptr cinfo, cjpeg_source_ptr sinfo) -{ - tga_source_ptr source = (tga_source_ptr) sinfo; - JDIMENSION source_row; - - /* Compute row of source that maps to current_row of normal order */ - /* For now, assume image is bottom-up and not interlaced. */ - /* NEEDS WORK to support interlaced images! */ - source_row = cinfo->image_height - source->current_row - 1; - - /* Fetch that row from virtual array */ - source->pub.buffer = (*cinfo->mem->access_virt_sarray) - ((j_common_ptr) cinfo, source->whole_image, - source_row, (JDIMENSION) 1, FALSE); - - source->current_row++; - return 1; -} - - -/* - * This method loads the image into whole_image during the first call on - * get_pixel_rows. The get_pixel_rows pointer is then adjusted to call - * get_memory_row on subsequent calls. - */ - -METHODDEF(JDIMENSION) -preload_image (j_compress_ptr cinfo, cjpeg_source_ptr sinfo) -{ - tga_source_ptr source = (tga_source_ptr) sinfo; - JDIMENSION row; - cd_progress_ptr progress = (cd_progress_ptr) cinfo->progress; - - /* Read the data into a virtual array in input-file row order. */ - for (row = 0; row < cinfo->image_height; row++) { - if (progress != NULL) { - progress->pub.pass_counter = (long) row; - progress->pub.pass_limit = (long) cinfo->image_height; - (*progress->pub.progress_monitor) ((j_common_ptr) cinfo); - } - source->pub.buffer = (*cinfo->mem->access_virt_sarray) - ((j_common_ptr) cinfo, source->whole_image, row, (JDIMENSION) 1, TRUE); - (*source->get_pixel_rows) (cinfo, sinfo); - } - if (progress != NULL) - progress->completed_extra_passes++; - - /* Set up to read from the virtual array in unscrambled order */ - source->pub.get_pixel_rows = get_memory_row; - source->current_row = 0; - /* And read the first row */ - return get_memory_row(cinfo, sinfo); -} - - -/* - * Read the file header; return image size and component count. - */ - -METHODDEF(void) -start_input_tga (j_compress_ptr cinfo, cjpeg_source_ptr sinfo) -{ - tga_source_ptr source = (tga_source_ptr) sinfo; - U_CHAR targaheader[18]; - int idlen, cmaptype, subtype, flags, interlace_type, components; - unsigned int width, height, maplen; - boolean is_bottom_up; - -#define GET_2B(offset) ((unsigned int) UCH(targaheader[offset]) + \ - (((unsigned int) UCH(targaheader[offset+1])) << 8)) - - if (! ReadOK(source->pub.input_file, targaheader, 18)) - ERREXIT(cinfo, JERR_INPUT_EOF); - - /* Pretend "15-bit" pixels are 16-bit --- we ignore attribute bit anyway */ - if (targaheader[16] == 15) - targaheader[16] = 16; - - idlen = UCH(targaheader[0]); - cmaptype = UCH(targaheader[1]); - subtype = UCH(targaheader[2]); - maplen = GET_2B(5); - width = GET_2B(12); - height = GET_2B(14); - source->pixel_size = UCH(targaheader[16]) >> 3; - flags = UCH(targaheader[17]); /* Image Descriptor byte */ - - is_bottom_up = ((flags & 0x20) == 0); /* bit 5 set => top-down */ - interlace_type = flags >> 6; /* bits 6/7 are interlace code */ - - if (cmaptype > 1 || /* cmaptype must be 0 or 1 */ - source->pixel_size < 1 || source->pixel_size > 4 || - (UCH(targaheader[16]) & 7) != 0 || /* bits/pixel must be multiple of 8 */ - interlace_type != 0) /* currently don't allow interlaced image */ - ERREXIT(cinfo, JERR_TGA_BADPARMS); - - if (subtype > 8) { - /* It's an RLE-coded file */ - source->read_pixel = read_rle_pixel; - source->block_count = source->dup_pixel_count = 0; - subtype -= 8; - } else { - /* Non-RLE file */ - source->read_pixel = read_non_rle_pixel; - } - - /* Now should have subtype 1, 2, or 3 */ - components = 3; /* until proven different */ - cinfo->in_color_space = JCS_RGB; - - switch (subtype) { - case 1: /* Colormapped image */ - if (source->pixel_size == 1 && cmaptype == 1) - source->get_pixel_rows = get_8bit_row; - else - ERREXIT(cinfo, JERR_TGA_BADPARMS); - TRACEMS2(cinfo, 1, JTRC_TGA_MAPPED, width, height); - break; - case 2: /* RGB image */ - switch (source->pixel_size) { - case 2: - source->get_pixel_rows = get_16bit_row; - break; - case 3: - source->get_pixel_rows = get_24bit_row; - break; - case 4: - source->get_pixel_rows = get_32bit_row; - break; - default: - ERREXIT(cinfo, JERR_TGA_BADPARMS); - break; - } - TRACEMS2(cinfo, 1, JTRC_TGA, width, height); - break; - case 3: /* Grayscale image */ - components = 1; - cinfo->in_color_space = JCS_GRAYSCALE; - if (source->pixel_size == 1) - source->get_pixel_rows = get_8bit_gray_row; - else - ERREXIT(cinfo, JERR_TGA_BADPARMS); - TRACEMS2(cinfo, 1, JTRC_TGA_GRAY, width, height); - break; - default: - ERREXIT(cinfo, JERR_TGA_BADPARMS); - break; - } - - if (is_bottom_up) { - /* Create a virtual array to buffer the upside-down image. */ - source->whole_image = (*cinfo->mem->request_virt_sarray) - ((j_common_ptr) cinfo, JPOOL_IMAGE, FALSE, - (JDIMENSION) width * components, (JDIMENSION) height, (JDIMENSION) 1); - if (cinfo->progress != NULL) { - cd_progress_ptr progress = (cd_progress_ptr) cinfo->progress; - progress->total_extra_passes++; /* count file input as separate pass */ - } - /* source->pub.buffer will point to the virtual array. */ - source->pub.buffer_height = 1; /* in case anyone looks at it */ - source->pub.get_pixel_rows = preload_image; - } else { - /* Don't need a virtual array, but do need a one-row input buffer. */ - source->whole_image = NULL; - source->pub.buffer = (*cinfo->mem->alloc_sarray) - ((j_common_ptr) cinfo, JPOOL_IMAGE, - (JDIMENSION) width * components, (JDIMENSION) 1); - source->pub.buffer_height = 1; - source->pub.get_pixel_rows = source->get_pixel_rows; - } - - while (idlen--) /* Throw away ID field */ - (void) read_byte(source); - - if (maplen > 0) { - if (maplen > 256 || GET_2B(3) != 0) - ERREXIT(cinfo, JERR_TGA_BADCMAP); - /* Allocate space to store the colormap */ - source->colormap = (*cinfo->mem->alloc_sarray) - ((j_common_ptr) cinfo, JPOOL_IMAGE, (JDIMENSION) maplen, (JDIMENSION) 3); - /* and read it from the file */ - read_colormap(source, (int) maplen, UCH(targaheader[7])); - } else { - if (cmaptype) /* but you promised a cmap! */ - ERREXIT(cinfo, JERR_TGA_BADPARMS); - source->colormap = NULL; - } - - cinfo->input_components = components; - cinfo->data_precision = 8; - cinfo->image_width = width; - cinfo->image_height = height; -} - - -/* - * Finish up at the end of the file. - */ - -METHODDEF(void) -finish_input_tga (j_compress_ptr cinfo, cjpeg_source_ptr sinfo) -{ - /* no work */ -} - - -/* - * The module selection routine for Targa format input. - */ - -GLOBAL(cjpeg_source_ptr) -jinit_read_targa (j_compress_ptr cinfo) -{ - tga_source_ptr source; - - /* Create module interface object */ - source = (tga_source_ptr) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(tga_source_struct)); - source->cinfo = cinfo; /* make back link for subroutines */ - /* Fill in method ptrs, except get_pixel_rows which start_input sets */ - source->pub.start_input = start_input_tga; - source->pub.finish_input = finish_input_tga; - - return (cjpeg_source_ptr) source; -} - -#endif /* TARGA_SUPPORTED */ diff --git a/common/jpeg/rrtimer.h b/common/jpeg/rrtimer.h deleted file mode 100644 index 4db5e371..00000000 --- a/common/jpeg/rrtimer.h +++ /dev/null @@ -1,114 +0,0 @@ -/* Copyright (C)2004 Landmark Graphics Corporation - * Copyright (C)2005 Sun Microsystems, Inc. - * - * This library is free software and may be redistributed and/or modified under - * the terms of the wxWindows Library License, Version 3.1 or (at your option) - * any later version. The full license is in the LICENSE.txt file included - * with this distribution. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * wxWindows Library License for more details. - */ - -#ifndef __RRTIMER_H__ -#define __RRTIMER_H__ - -#ifdef __cplusplus - -#ifdef _WIN32 -#include <windows.h> -#else -#include <sys/time.h> -#endif - -class rrtimer -{ - public: - - rrtimer(void) : t1(0.0) - { - #ifdef _WIN32 - highres=false; tick=0.001; - LARGE_INTEGER Frequency; - if(QueryPerformanceFrequency(&Frequency)!=0) - { - tick=(double)1.0/(double)(Frequency.QuadPart); - highres=true; - } - #endif - } - - void start(void) - { - t1=time(); - } - - double time(void) - { - #ifdef _WIN32 - if(highres) - { - LARGE_INTEGER Time; - QueryPerformanceCounter(&Time); - return((double)(Time.QuadPart)*tick); - } - else - return((double)GetTickCount()*tick); - #else - struct timeval __tv; - gettimeofday(&__tv, (struct timezone *)NULL); - return((double)(__tv.tv_sec)+(double)(__tv.tv_usec)*0.000001); - #endif - } - - double elapsed(void) - { - return time()-t1; - } - - private: - - #ifdef _WIN32 - bool highres; double tick; - #endif - double t1; -}; - -#endif // __cplusplus - -#ifdef _WIN32 - -#include <windows.h> - -__inline double rrtime(void) -{ - LARGE_INTEGER Frequency, Time; - if(QueryPerformanceFrequency(&Frequency)!=0) - { - QueryPerformanceCounter(&Time); - return (double)Time.QuadPart/(double)Frequency.QuadPart; - } - else return (double)GetTickCount()*0.001; -} - -#else - -#include <sys/time.h> - -#ifdef sun -#define __inline inline -#endif - -static __inline double rrtime(void) -{ - struct timeval __tv; - gettimeofday(&__tv, (struct timezone *)NULL); - return((double)__tv.tv_sec+(double)__tv.tv_usec*0.000001); -} - -#endif - -#endif - diff --git a/common/jpeg/rrutil.h b/common/jpeg/rrutil.h deleted file mode 100644 index 4b61dbf0..00000000 --- a/common/jpeg/rrutil.h +++ /dev/null @@ -1,82 +0,0 @@ -/* Copyright (C)2004 Landmark Graphics Corporation - * Copyright (C)2005 Sun Microsystems, Inc. - * Copyright (C)2010 D. R. Commander - * - * This library is free software and may be redistributed and/or modified under - * the terms of the wxWindows Library License, Version 3.1 or (at your option) - * any later version. The full license is in the LICENSE.txt file included - * with this distribution. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * wxWindows Library License for more details. - */ - -#ifndef __RRUTIL_H__ -#define __RRUTIL_H__ - -#ifdef _WIN32 - #include <windows.h> - #define sleep(t) Sleep((t)*1000) - #define usleep(t) Sleep((t)/1000) -#else - #include <unistd.h> - #define stricmp strcasecmp - #define strnicmp strncasecmp -#endif - -#ifndef min - #define min(a,b) ((a)<(b)?(a):(b)) -#endif - -#ifndef max - #define max(a,b) ((a)>(b)?(a):(b)) -#endif - -#define pow2(i) (1<<(i)) -#define isPow2(x) (((x)&(x-1))==0) - -#ifdef sgi -#define _SC_NPROCESSORS_CONF _SC_NPROC_CONF -#endif - -#ifdef sun -#define __inline inline -#endif - -static __inline int numprocs(void) -{ - #ifdef _WIN32 - DWORD_PTR ProcAff, SysAff, i; int count=0; - if(!GetProcessAffinityMask(GetCurrentProcess(), &ProcAff, &SysAff)) return(1); - for(i=0; i<sizeof(long*)*8; i++) if(ProcAff&(1LL<<i)) count++; - return(count); - #elif defined (__APPLE__) - return(1); - #else - long count=1; - if((count=sysconf(_SC_NPROCESSORS_CONF))!=-1) return((int)count); - else return(1); - #endif -} - -#define byteswap(i) ( \ - (((i) & 0xff000000) >> 24) | \ - (((i) & 0x00ff0000) >> 8) | \ - (((i) & 0x0000ff00) << 8) | \ - (((i) & 0x000000ff) << 24) ) - -#define byteswap16(i) ( \ - (((i) & 0xff00) >> 8) | \ - (((i) & 0x00ff) << 8) ) - -static __inline int littleendian(void) -{ - unsigned int value=1; - unsigned char *ptr=(unsigned char *)(&value); - if(ptr[0]==1 && ptr[3]==0) return 1; - else return 0; -} - -#endif diff --git a/common/jpeg/simd/CMakeLists.txt b/common/jpeg/simd/CMakeLists.txt deleted file mode 100644 index 826079c0..00000000 --- a/common/jpeg/simd/CMakeLists.txt +++ /dev/null @@ -1,62 +0,0 @@ -if(NOT DEFINED NASM) - set(NASM nasm) -endif() - -if(SIMD_X86_64) - set(NAFLAGS -fwin64 -DWIN64 -D__x86_64__ -I${CMAKE_CURRENT_SOURCE_DIR}/../win/ - -I${CMAKE_CURRENT_SOURCE_DIR}/) -else() - set(NAFLAGS -fwin32 -DWIN32 -I${CMAKE_CURRENT_SOURCE_DIR}/../win/ - -I${CMAKE_CURRENT_SOURCE_DIR}/) -endif() - -if(MSVC) - set(NAFLAGS ${NAFLAGS} -DMSVC) -endif() - -# This only works if building from the command line. There is currently no way -# to set a variable's value based on the build type when using the MSVC IDE. -if(CMAKE_BUILD_TYPE STREQUAL "Debug" - OR CMAKE_BUILD_TYPE STREQUAL "RelWithDebInfo") - set(NAFLAGS ${NAFLAGS} -g) -endif() - -if(SIMD_X86_64) - set(SIMD_BASENAMES jfsseflt-64 jccolss2-64 jdcolss2-64 jcsamss2-64 - jdsamss2-64 jdmerss2-64 jcqnts2i-64 jfss2fst-64 jfss2int-64 jiss2red-64 - jiss2int-64 jiss2fst-64 jcqnts2f-64 jiss2flt-64) - message(STATUS "Building x86_64 SIMD extensions") -else() - set(SIMD_BASENAMES jsimdcpu jccolmmx jdcolmmx jcsammmx jdsammmx jdmermmx - jcqntmmx jfmmxfst jfmmxint jimmxred jimmxint jimmxfst jcqnt3dn jf3dnflt - ji3dnflt jcqntsse jfsseflt jisseflt jccolss2 jdcolss2 jcsamss2 jdsamss2 - jdmerss2 jcqnts2i jfss2fst jfss2int jiss2red jiss2int jiss2fst jcqnts2f - jiss2flt) - message(STATUS "Building i386 SIMD extensions") -endif() - -if(MSVC_IDE) - set(OBJDIR "${CMAKE_CURRENT_BINARY_DIR}/$(OutDir)") -else() - set(OBJDIR ${CMAKE_CURRENT_BINARY_DIR}) -endif() - -foreach(file ${SIMD_BASENAMES}) - set(DEPFILE "") - set(SIMD_SRC ${CMAKE_CURRENT_SOURCE_DIR}/${file}.asm) - if(${file} MATCHES col) - set(DEPFILE ${SIMD_SRC}) - string(REGEX REPLACE "col" "clr" DEPFILE ${DEPFILE}) - endif() - if(${file} MATCHES mer) - set(DEPFILE ${SIMD_SRC}) - string(REGEX REPLACE "mer" "mrg" DEPFILE ${DEPFILE}) - endif() - set(SIMD_OBJ ${OBJDIR}/${file}.obj) - add_custom_command(OUTPUT ${SIMD_OBJ} DEPENDS ${SIMD_SRC} ${DEPFILE} *.inc - COMMAND ${NASM} ${NAFLAGS} ${SIMD_SRC} -o${SIMD_OBJ}) - set(SIMD_OBJS ${SIMD_OBJS} ${SIMD_OBJ}) -endforeach() - -set(SIMD_OBJS ${SIMD_OBJS} PARENT_SCOPE) -add_custom_target(simd DEPENDS ${SIMD_OBJS}) diff --git a/common/jpeg/simd/Makefile.am b/common/jpeg/simd/Makefile.am deleted file mode 100644 index 81c23af8..00000000 --- a/common/jpeg/simd/Makefile.am +++ /dev/null @@ -1,58 +0,0 @@ -noinst_LTLIBRARIES = libsimd.la - -BUILT_SOURCES = jsimdcfg.inc - -EXTRA_DIST = nasm_lt.sh jcclrmmx.asm jcclrss2.asm jdclrmmx.asm jdclrss2.asm \ - jdmrgmmx.asm jdmrgss2.asm jcclrss2-64.asm jdclrss2-64.asm \ - jdmrgss2-64.asm CMakeLists.txt - -if SIMD_X86_64 - -libsimd_la_SOURCES = jsimd_x86_64.c \ - jsimd.h jsimdcfg.inc.h \ - jsimdext.inc jcolsamp.inc jdct.inc \ - jfsseflt-64.asm \ - jccolss2-64.asm jdcolss2-64.asm \ - jcsamss2-64.asm jdsamss2-64.asm jdmerss2-64.asm \ - jcqnts2i-64.asm jfss2fst-64.asm jfss2int-64.asm \ - jiss2red-64.asm jiss2int-64.asm jiss2fst-64.asm \ - jcqnts2f-64.asm jiss2flt-64.asm - -jccolss2-64.lo: jcclrss2-64.asm -jdcolss2-64.lo: jdclrss2-64.asm -jdmerss2-64.lo: jdmrgss2-64.asm -endif - -if SIMD_I386 - -libsimd_la_SOURCES = jsimd_i386.c \ - jsimd.h jsimdcfg.inc.h \ - jsimdext.inc jcolsamp.inc jdct.inc \ - jsimdcpu.asm \ - jccolmmx.asm jdcolmmx.asm \ - jcsammmx.asm jdsammmx.asm jdmermmx.asm \ - jcqntmmx.asm jfmmxfst.asm jfmmxint.asm \ - jimmxred.asm jimmxint.asm jimmxfst.asm \ - jcqnt3dn.asm jf3dnflt.asm ji3dnflt.asm \ - jcqntsse.asm jfsseflt.asm jisseflt.asm \ - jccolss2.asm jdcolss2.asm \ - jcsamss2.asm jdsamss2.asm jdmerss2.asm \ - jcqnts2i.asm jfss2fst.asm jfss2int.asm \ - jiss2red.asm jiss2int.asm jiss2fst.asm \ - jcqnts2f.asm jiss2flt.asm - -jccolmmx.lo: jcclrmmx.asm -jccolss2.lo: jcclrss2.asm -jdcolmmx.lo: jdclrmmx.asm -jdcolss2.lo: jdclrss2.asm -jdmermmx.lo: jdmrgmmx.asm -jdmerss2.lo: jdmrgss2.asm -endif - -AM_CPPFLAGS = -I$(top_srcdir) - -.asm.lo: - $(LIBTOOL) --mode=compile --tag NASM $(srcdir)/nasm_lt.sh $(NASM) $(NAFLAGS) -I$(srcdir) $< -o $@ - -jsimdcfg.inc: $(srcdir)/jsimdcfg.inc.h ../jpeglib.h ../jconfig.h ../jmorecfg.h - $(CPP) -I$(top_builddir) -I$(top_builddir)/simd $(srcdir)/jsimdcfg.inc.h | $(EGREP) "^[\;%]|^\ %" | sed 's%_cpp_protection_%%' | sed 's@% define@%define@g' > $@ diff --git a/common/jpeg/simd/jcclrmmx.asm b/common/jpeg/simd/jcclrmmx.asm deleted file mode 100644 index b6b89121..00000000 --- a/common/jpeg/simd/jcclrmmx.asm +++ /dev/null @@ -1,479 +0,0 @@ -; -; jcclrmmx.asm - colorspace conversion (MMX) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; [TAB8] - -%include "jcolsamp.inc" - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 32 -; -; Convert some rows of samples to the output colorspace. -; -; GLOBAL(void) -; jsimd_rgb_ycc_convert_mmx (JDIMENSION img_width, -; JSAMPARRAY input_buf, JSAMPIMAGE output_buf, -; JDIMENSION output_row, int num_rows); -; - -%define img_width(b) (b)+8 ; JDIMENSION img_width -%define input_buf(b) (b)+12 ; JSAMPARRAY input_buf -%define output_buf(b) (b)+16 ; JSAMPIMAGE output_buf -%define output_row(b) (b)+20 ; JDIMENSION output_row -%define num_rows(b) (b)+24 ; int num_rows - -%define original_ebp ebp+0 -%define wk(i) ebp-(WK_NUM-(i))*SIZEOF_MMWORD ; mmword wk[WK_NUM] -%define WK_NUM 8 -%define gotptr wk(0)-SIZEOF_POINTER ; void * gotptr - - align 16 - global EXTN(jsimd_rgb_ycc_convert_mmx) - -EXTN(jsimd_rgb_ycc_convert_mmx): - push ebp - mov eax,esp ; eax = original ebp - sub esp, byte 4 - and esp, byte (-SIZEOF_MMWORD) ; align to 64 bits - mov [esp],eax - mov ebp,esp ; ebp = aligned ebp - lea esp, [wk(0)] - pushpic eax ; make a room for GOT address - push ebx -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - get_GOT ebx ; get GOT address - movpic POINTER [gotptr], ebx ; save GOT address - - mov ecx, JDIMENSION [img_width(eax)] ; num_cols - test ecx,ecx - jz near .return - - push ecx - - mov esi, JSAMPIMAGE [output_buf(eax)] - mov ecx, JDIMENSION [output_row(eax)] - mov edi, JSAMPARRAY [esi+0*SIZEOF_JSAMPARRAY] - mov ebx, JSAMPARRAY [esi+1*SIZEOF_JSAMPARRAY] - mov edx, JSAMPARRAY [esi+2*SIZEOF_JSAMPARRAY] - lea edi, [edi+ecx*SIZEOF_JSAMPROW] - lea ebx, [ebx+ecx*SIZEOF_JSAMPROW] - lea edx, [edx+ecx*SIZEOF_JSAMPROW] - - pop ecx - - mov esi, JSAMPARRAY [input_buf(eax)] - mov eax, INT [num_rows(eax)] - test eax,eax - jle near .return - alignx 16,7 -.rowloop: - pushpic eax - push edx - push ebx - push edi - push esi - push ecx ; col - - mov esi, JSAMPROW [esi] ; inptr - mov edi, JSAMPROW [edi] ; outptr0 - mov ebx, JSAMPROW [ebx] ; outptr1 - mov edx, JSAMPROW [edx] ; outptr2 - movpic eax, POINTER [gotptr] ; load GOT address (eax) - - cmp ecx, byte SIZEOF_MMWORD - jae short .columnloop - alignx 16,7 - -%if RGB_PIXELSIZE == 3 ; --------------- - -.column_ld1: - push eax - push edx - lea ecx,[ecx+ecx*2] ; imul ecx,RGB_PIXELSIZE - test cl, SIZEOF_BYTE - jz short .column_ld2 - sub ecx, byte SIZEOF_BYTE - xor eax,eax - mov al, BYTE [esi+ecx] -.column_ld2: - test cl, SIZEOF_WORD - jz short .column_ld4 - sub ecx, byte SIZEOF_WORD - xor edx,edx - mov dx, WORD [esi+ecx] - shl eax, WORD_BIT - or eax,edx -.column_ld4: - movd mmA,eax - pop edx - pop eax - test cl, SIZEOF_DWORD - jz short .column_ld8 - sub ecx, byte SIZEOF_DWORD - movd mmG, DWORD [esi+ecx] - psllq mmA, DWORD_BIT - por mmA,mmG -.column_ld8: - test cl, SIZEOF_MMWORD - jz short .column_ld16 - movq mmG,mmA - movq mmA, MMWORD [esi+0*SIZEOF_MMWORD] - mov ecx, SIZEOF_MMWORD - jmp short .rgb_ycc_cnv -.column_ld16: - test cl, 2*SIZEOF_MMWORD - mov ecx, SIZEOF_MMWORD - jz short .rgb_ycc_cnv - movq mmF,mmA - movq mmA, MMWORD [esi+0*SIZEOF_MMWORD] - movq mmG, MMWORD [esi+1*SIZEOF_MMWORD] - jmp short .rgb_ycc_cnv - alignx 16,7 - -.columnloop: - movq mmA, MMWORD [esi+0*SIZEOF_MMWORD] - movq mmG, MMWORD [esi+1*SIZEOF_MMWORD] - movq mmF, MMWORD [esi+2*SIZEOF_MMWORD] - -.rgb_ycc_cnv: - ; mmA=(00 10 20 01 11 21 02 12) - ; mmG=(22 03 13 23 04 14 24 05) - ; mmF=(15 25 06 16 26 07 17 27) - - movq mmD,mmA - psllq mmA,4*BYTE_BIT ; mmA=(-- -- -- -- 00 10 20 01) - psrlq mmD,4*BYTE_BIT ; mmD=(11 21 02 12 -- -- -- --) - - punpckhbw mmA,mmG ; mmA=(00 04 10 14 20 24 01 05) - psllq mmG,4*BYTE_BIT ; mmG=(-- -- -- -- 22 03 13 23) - - punpcklbw mmD,mmF ; mmD=(11 15 21 25 02 06 12 16) - punpckhbw mmG,mmF ; mmG=(22 26 03 07 13 17 23 27) - - movq mmE,mmA - psllq mmA,4*BYTE_BIT ; mmA=(-- -- -- -- 00 04 10 14) - psrlq mmE,4*BYTE_BIT ; mmE=(20 24 01 05 -- -- -- --) - - punpckhbw mmA,mmD ; mmA=(00 02 04 06 10 12 14 16) - psllq mmD,4*BYTE_BIT ; mmD=(-- -- -- -- 11 15 21 25) - - punpcklbw mmE,mmG ; mmE=(20 22 24 26 01 03 05 07) - punpckhbw mmD,mmG ; mmD=(11 13 15 17 21 23 25 27) - - pxor mmH,mmH - - movq mmC,mmA - punpcklbw mmA,mmH ; mmA=(00 02 04 06) - punpckhbw mmC,mmH ; mmC=(10 12 14 16) - - movq mmB,mmE - punpcklbw mmE,mmH ; mmE=(20 22 24 26) - punpckhbw mmB,mmH ; mmB=(01 03 05 07) - - movq mmF,mmD - punpcklbw mmD,mmH ; mmD=(11 13 15 17) - punpckhbw mmF,mmH ; mmF=(21 23 25 27) - -%else ; RGB_PIXELSIZE == 4 ; ----------- - -.column_ld1: - test cl, SIZEOF_MMWORD/8 - jz short .column_ld2 - sub ecx, byte SIZEOF_MMWORD/8 - movd mmA, DWORD [esi+ecx*RGB_PIXELSIZE] -.column_ld2: - test cl, SIZEOF_MMWORD/4 - jz short .column_ld4 - sub ecx, byte SIZEOF_MMWORD/4 - movq mmF,mmA - movq mmA, MMWORD [esi+ecx*RGB_PIXELSIZE] -.column_ld4: - test cl, SIZEOF_MMWORD/2 - mov ecx, SIZEOF_MMWORD - jz short .rgb_ycc_cnv - movq mmD,mmA - movq mmC,mmF - movq mmA, MMWORD [esi+0*SIZEOF_MMWORD] - movq mmF, MMWORD [esi+1*SIZEOF_MMWORD] - jmp short .rgb_ycc_cnv - alignx 16,7 - -.columnloop: - movq mmA, MMWORD [esi+0*SIZEOF_MMWORD] - movq mmF, MMWORD [esi+1*SIZEOF_MMWORD] - movq mmD, MMWORD [esi+2*SIZEOF_MMWORD] - movq mmC, MMWORD [esi+3*SIZEOF_MMWORD] - -.rgb_ycc_cnv: - ; mmA=(00 10 20 30 01 11 21 31) - ; mmF=(02 12 22 32 03 13 23 33) - ; mmD=(04 14 24 34 05 15 25 35) - ; mmC=(06 16 26 36 07 17 27 37) - - movq mmB,mmA - punpcklbw mmA,mmF ; mmA=(00 02 10 12 20 22 30 32) - punpckhbw mmB,mmF ; mmB=(01 03 11 13 21 23 31 33) - - movq mmG,mmD - punpcklbw mmD,mmC ; mmD=(04 06 14 16 24 26 34 36) - punpckhbw mmG,mmC ; mmG=(05 07 15 17 25 27 35 37) - - movq mmE,mmA - punpcklwd mmA,mmD ; mmA=(00 02 04 06 10 12 14 16) - punpckhwd mmE,mmD ; mmE=(20 22 24 26 30 32 34 36) - - movq mmH,mmB - punpcklwd mmB,mmG ; mmB=(01 03 05 07 11 13 15 17) - punpckhwd mmH,mmG ; mmH=(21 23 25 27 31 33 35 37) - - pxor mmF,mmF - - movq mmC,mmA - punpcklbw mmA,mmF ; mmA=(00 02 04 06) - punpckhbw mmC,mmF ; mmC=(10 12 14 16) - - movq mmD,mmB - punpcklbw mmB,mmF ; mmB=(01 03 05 07) - punpckhbw mmD,mmF ; mmD=(11 13 15 17) - - movq mmG,mmE - punpcklbw mmE,mmF ; mmE=(20 22 24 26) - punpckhbw mmG,mmF ; mmG=(30 32 34 36) - - punpcklbw mmF,mmH - punpckhbw mmH,mmH - psrlw mmF,BYTE_BIT ; mmF=(21 23 25 27) - psrlw mmH,BYTE_BIT ; mmH=(31 33 35 37) - -%endif ; RGB_PIXELSIZE ; --------------- - - ; mm0=(R0 R2 R4 R6)=RE, mm2=(G0 G2 G4 G6)=GE, mm4=(B0 B2 B4 B6)=BE - ; mm1=(R1 R3 R5 R7)=RO, mm3=(G1 G3 G5 G7)=GO, mm5=(B1 B3 B5 B7)=BO - - ; (Original) - ; Y = 0.29900 * R + 0.58700 * G + 0.11400 * B - ; Cb = -0.16874 * R - 0.33126 * G + 0.50000 * B + CENTERJSAMPLE - ; Cr = 0.50000 * R - 0.41869 * G - 0.08131 * B + CENTERJSAMPLE - ; - ; (This implementation) - ; Y = 0.29900 * R + 0.33700 * G + 0.11400 * B + 0.25000 * G - ; Cb = -0.16874 * R - 0.33126 * G + 0.50000 * B + CENTERJSAMPLE - ; Cr = 0.50000 * R - 0.41869 * G - 0.08131 * B + CENTERJSAMPLE - - movq MMWORD [wk(0)], mm0 ; wk(0)=RE - movq MMWORD [wk(1)], mm1 ; wk(1)=RO - movq MMWORD [wk(2)], mm4 ; wk(2)=BE - movq MMWORD [wk(3)], mm5 ; wk(3)=BO - - movq mm6,mm1 - punpcklwd mm1,mm3 - punpckhwd mm6,mm3 - movq mm7,mm1 - movq mm4,mm6 - pmaddwd mm1,[GOTOFF(eax,PW_F0299_F0337)] ; mm1=ROL*FIX(0.299)+GOL*FIX(0.337) - pmaddwd mm6,[GOTOFF(eax,PW_F0299_F0337)] ; mm6=ROH*FIX(0.299)+GOH*FIX(0.337) - pmaddwd mm7,[GOTOFF(eax,PW_MF016_MF033)] ; mm7=ROL*-FIX(0.168)+GOL*-FIX(0.331) - pmaddwd mm4,[GOTOFF(eax,PW_MF016_MF033)] ; mm4=ROH*-FIX(0.168)+GOH*-FIX(0.331) - - movq MMWORD [wk(4)], mm1 ; wk(4)=ROL*FIX(0.299)+GOL*FIX(0.337) - movq MMWORD [wk(5)], mm6 ; wk(5)=ROH*FIX(0.299)+GOH*FIX(0.337) - - pxor mm1,mm1 - pxor mm6,mm6 - punpcklwd mm1,mm5 ; mm1=BOL - punpckhwd mm6,mm5 ; mm6=BOH - psrld mm1,1 ; mm1=BOL*FIX(0.500) - psrld mm6,1 ; mm6=BOH*FIX(0.500) - - movq mm5,[GOTOFF(eax,PD_ONEHALFM1_CJ)] ; mm5=[PD_ONEHALFM1_CJ] - - paddd mm7,mm1 - paddd mm4,mm6 - paddd mm7,mm5 - paddd mm4,mm5 - psrld mm7,SCALEBITS ; mm7=CbOL - psrld mm4,SCALEBITS ; mm4=CbOH - packssdw mm7,mm4 ; mm7=CbO - - movq mm1, MMWORD [wk(2)] ; mm1=BE - - movq mm6,mm0 - punpcklwd mm0,mm2 - punpckhwd mm6,mm2 - movq mm5,mm0 - movq mm4,mm6 - pmaddwd mm0,[GOTOFF(eax,PW_F0299_F0337)] ; mm0=REL*FIX(0.299)+GEL*FIX(0.337) - pmaddwd mm6,[GOTOFF(eax,PW_F0299_F0337)] ; mm6=REH*FIX(0.299)+GEH*FIX(0.337) - pmaddwd mm5,[GOTOFF(eax,PW_MF016_MF033)] ; mm5=REL*-FIX(0.168)+GEL*-FIX(0.331) - pmaddwd mm4,[GOTOFF(eax,PW_MF016_MF033)] ; mm4=REH*-FIX(0.168)+GEH*-FIX(0.331) - - movq MMWORD [wk(6)], mm0 ; wk(6)=REL*FIX(0.299)+GEL*FIX(0.337) - movq MMWORD [wk(7)], mm6 ; wk(7)=REH*FIX(0.299)+GEH*FIX(0.337) - - pxor mm0,mm0 - pxor mm6,mm6 - punpcklwd mm0,mm1 ; mm0=BEL - punpckhwd mm6,mm1 ; mm6=BEH - psrld mm0,1 ; mm0=BEL*FIX(0.500) - psrld mm6,1 ; mm6=BEH*FIX(0.500) - - movq mm1,[GOTOFF(eax,PD_ONEHALFM1_CJ)] ; mm1=[PD_ONEHALFM1_CJ] - - paddd mm5,mm0 - paddd mm4,mm6 - paddd mm5,mm1 - paddd mm4,mm1 - psrld mm5,SCALEBITS ; mm5=CbEL - psrld mm4,SCALEBITS ; mm4=CbEH - packssdw mm5,mm4 ; mm5=CbE - - psllw mm7,BYTE_BIT - por mm5,mm7 ; mm5=Cb - movq MMWORD [ebx], mm5 ; Save Cb - - movq mm0, MMWORD [wk(3)] ; mm0=BO - movq mm6, MMWORD [wk(2)] ; mm6=BE - movq mm1, MMWORD [wk(1)] ; mm1=RO - - movq mm4,mm0 - punpcklwd mm0,mm3 - punpckhwd mm4,mm3 - movq mm7,mm0 - movq mm5,mm4 - pmaddwd mm0,[GOTOFF(eax,PW_F0114_F0250)] ; mm0=BOL*FIX(0.114)+GOL*FIX(0.250) - pmaddwd mm4,[GOTOFF(eax,PW_F0114_F0250)] ; mm4=BOH*FIX(0.114)+GOH*FIX(0.250) - pmaddwd mm7,[GOTOFF(eax,PW_MF008_MF041)] ; mm7=BOL*-FIX(0.081)+GOL*-FIX(0.418) - pmaddwd mm5,[GOTOFF(eax,PW_MF008_MF041)] ; mm5=BOH*-FIX(0.081)+GOH*-FIX(0.418) - - movq mm3,[GOTOFF(eax,PD_ONEHALF)] ; mm3=[PD_ONEHALF] - - paddd mm0, MMWORD [wk(4)] - paddd mm4, MMWORD [wk(5)] - paddd mm0,mm3 - paddd mm4,mm3 - psrld mm0,SCALEBITS ; mm0=YOL - psrld mm4,SCALEBITS ; mm4=YOH - packssdw mm0,mm4 ; mm0=YO - - pxor mm3,mm3 - pxor mm4,mm4 - punpcklwd mm3,mm1 ; mm3=ROL - punpckhwd mm4,mm1 ; mm4=ROH - psrld mm3,1 ; mm3=ROL*FIX(0.500) - psrld mm4,1 ; mm4=ROH*FIX(0.500) - - movq mm1,[GOTOFF(eax,PD_ONEHALFM1_CJ)] ; mm1=[PD_ONEHALFM1_CJ] - - paddd mm7,mm3 - paddd mm5,mm4 - paddd mm7,mm1 - paddd mm5,mm1 - psrld mm7,SCALEBITS ; mm7=CrOL - psrld mm5,SCALEBITS ; mm5=CrOH - packssdw mm7,mm5 ; mm7=CrO - - movq mm3, MMWORD [wk(0)] ; mm3=RE - - movq mm4,mm6 - punpcklwd mm6,mm2 - punpckhwd mm4,mm2 - movq mm1,mm6 - movq mm5,mm4 - pmaddwd mm6,[GOTOFF(eax,PW_F0114_F0250)] ; mm6=BEL*FIX(0.114)+GEL*FIX(0.250) - pmaddwd mm4,[GOTOFF(eax,PW_F0114_F0250)] ; mm4=BEH*FIX(0.114)+GEH*FIX(0.250) - pmaddwd mm1,[GOTOFF(eax,PW_MF008_MF041)] ; mm1=BEL*-FIX(0.081)+GEL*-FIX(0.418) - pmaddwd mm5,[GOTOFF(eax,PW_MF008_MF041)] ; mm5=BEH*-FIX(0.081)+GEH*-FIX(0.418) - - movq mm2,[GOTOFF(eax,PD_ONEHALF)] ; mm2=[PD_ONEHALF] - - paddd mm6, MMWORD [wk(6)] - paddd mm4, MMWORD [wk(7)] - paddd mm6,mm2 - paddd mm4,mm2 - psrld mm6,SCALEBITS ; mm6=YEL - psrld mm4,SCALEBITS ; mm4=YEH - packssdw mm6,mm4 ; mm6=YE - - psllw mm0,BYTE_BIT - por mm6,mm0 ; mm6=Y - movq MMWORD [edi], mm6 ; Save Y - - pxor mm2,mm2 - pxor mm4,mm4 - punpcklwd mm2,mm3 ; mm2=REL - punpckhwd mm4,mm3 ; mm4=REH - psrld mm2,1 ; mm2=REL*FIX(0.500) - psrld mm4,1 ; mm4=REH*FIX(0.500) - - movq mm0,[GOTOFF(eax,PD_ONEHALFM1_CJ)] ; mm0=[PD_ONEHALFM1_CJ] - - paddd mm1,mm2 - paddd mm5,mm4 - paddd mm1,mm0 - paddd mm5,mm0 - psrld mm1,SCALEBITS ; mm1=CrEL - psrld mm5,SCALEBITS ; mm5=CrEH - packssdw mm1,mm5 ; mm1=CrE - - psllw mm7,BYTE_BIT - por mm1,mm7 ; mm1=Cr - movq MMWORD [edx], mm1 ; Save Cr - - sub ecx, byte SIZEOF_MMWORD - add esi, byte RGB_PIXELSIZE*SIZEOF_MMWORD ; inptr - add edi, byte SIZEOF_MMWORD ; outptr0 - add ebx, byte SIZEOF_MMWORD ; outptr1 - add edx, byte SIZEOF_MMWORD ; outptr2 - cmp ecx, byte SIZEOF_MMWORD - jae near .columnloop - test ecx,ecx - jnz near .column_ld1 - - pop ecx ; col - pop esi - pop edi - pop ebx - pop edx - poppic eax - - add esi, byte SIZEOF_JSAMPROW ; input_buf - add edi, byte SIZEOF_JSAMPROW - add ebx, byte SIZEOF_JSAMPROW - add edx, byte SIZEOF_JSAMPROW - dec eax ; num_rows - jg near .rowloop - - emms ; empty MMX state - -.return: - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved - pop ebx - mov esp,ebp ; esp <- aligned ebp - pop esp ; esp <- original ebp - pop ebp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jcclrss2-64.asm b/common/jpeg/simd/jcclrss2-64.asm deleted file mode 100644 index 8ca47aa0..00000000 --- a/common/jpeg/simd/jcclrss2-64.asm +++ /dev/null @@ -1,487 +0,0 @@ -; -; jcclrss2-64.asm - colorspace conversion (64-bit SSE2) -; -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; Copyright (C) 2009, D. R. Commander. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; [TAB8] - -%include "jcolsamp.inc" - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 64 -; -; Convert some rows of samples to the output colorspace. -; -; GLOBAL(void) -; jsimd_rgb_ycc_convert_sse2 (JDIMENSION img_width, -; JSAMPARRAY input_buf, JSAMPIMAGE output_buf, -; JDIMENSION output_row, int num_rows); -; - -; r10 = JDIMENSION img_width -; r11 = JSAMPARRAY input_buf -; r12 = JSAMPIMAGE output_buf -; r13 = JDIMENSION output_row -; r14 = int num_rows - -%define wk(i) rbp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM] -%define WK_NUM 8 - - align 16 - - global EXTN(jsimd_rgb_ycc_convert_sse2) - -EXTN(jsimd_rgb_ycc_convert_sse2): - push rbp - mov rax,rsp ; rax = original rbp - sub rsp, byte 4 - and rsp, byte (-SIZEOF_XMMWORD) ; align to 128 bits - mov [rsp],rax - mov rbp,rsp ; rbp = aligned rbp - lea rsp, [wk(0)] - collect_args - push rbx - - mov rcx, r10 - test rcx,rcx - jz near .return - - push rcx - - mov rsi, r12 - mov rcx, r13 - mov rdi, JSAMPARRAY [rsi+0*SIZEOF_JSAMPARRAY] - mov rbx, JSAMPARRAY [rsi+1*SIZEOF_JSAMPARRAY] - mov rdx, JSAMPARRAY [rsi+2*SIZEOF_JSAMPARRAY] - lea rdi, [rdi+rcx*SIZEOF_JSAMPROW] - lea rbx, [rbx+rcx*SIZEOF_JSAMPROW] - lea rdx, [rdx+rcx*SIZEOF_JSAMPROW] - - pop rcx - - mov rsi, r11 - mov eax, r14d - test rax,rax - jle near .return -.rowloop: - push rdx - push rbx - push rdi - push rsi - push rcx ; col - - mov rsi, JSAMPROW [rsi] ; inptr - mov rdi, JSAMPROW [rdi] ; outptr0 - mov rbx, JSAMPROW [rbx] ; outptr1 - mov rdx, JSAMPROW [rdx] ; outptr2 - - cmp rcx, byte SIZEOF_XMMWORD - jae near .columnloop - -%if RGB_PIXELSIZE == 3 ; --------------- - -.column_ld1: - push rax - push rdx - lea rcx,[rcx+rcx*2] ; imul ecx,RGB_PIXELSIZE - test cl, SIZEOF_BYTE - jz short .column_ld2 - sub rcx, byte SIZEOF_BYTE - movzx rax, BYTE [rsi+rcx] -.column_ld2: - test cl, SIZEOF_WORD - jz short .column_ld4 - sub rcx, byte SIZEOF_WORD - movzx rdx, WORD [rsi+rcx] - shl rax, WORD_BIT - or rax,rdx -.column_ld4: - movd xmmA,eax - pop rdx - pop rax - test cl, SIZEOF_DWORD - jz short .column_ld8 - sub rcx, byte SIZEOF_DWORD - movd xmmF, XMM_DWORD [rsi+rcx] - pslldq xmmA, SIZEOF_DWORD - por xmmA,xmmF -.column_ld8: - test cl, SIZEOF_MMWORD - jz short .column_ld16 - sub rcx, byte SIZEOF_MMWORD - movq xmmB, XMM_MMWORD [rsi+rcx] - pslldq xmmA, SIZEOF_MMWORD - por xmmA,xmmB -.column_ld16: - test cl, SIZEOF_XMMWORD - jz short .column_ld32 - movdqa xmmF,xmmA - movdqu xmmA, XMMWORD [rsi+0*SIZEOF_XMMWORD] - mov rcx, SIZEOF_XMMWORD - jmp short .rgb_ycc_cnv -.column_ld32: - test cl, 2*SIZEOF_XMMWORD - mov rcx, SIZEOF_XMMWORD - jz short .rgb_ycc_cnv - movdqa xmmB,xmmA - movdqu xmmA, XMMWORD [rsi+0*SIZEOF_XMMWORD] - movdqu xmmF, XMMWORD [rsi+1*SIZEOF_XMMWORD] - jmp short .rgb_ycc_cnv - -.columnloop: - movdqu xmmA, XMMWORD [rsi+0*SIZEOF_XMMWORD] - movdqu xmmF, XMMWORD [rsi+1*SIZEOF_XMMWORD] - movdqu xmmB, XMMWORD [rsi+2*SIZEOF_XMMWORD] - -.rgb_ycc_cnv: - ; xmmA=(00 10 20 01 11 21 02 12 22 03 13 23 04 14 24 05) - ; xmmF=(15 25 06 16 26 07 17 27 08 18 28 09 19 29 0A 1A) - ; xmmB=(2A 0B 1B 2B 0C 1C 2C 0D 1D 2D 0E 1E 2E 0F 1F 2F) - - movdqa xmmG,xmmA - pslldq xmmA,8 ; xmmA=(-- -- -- -- -- -- -- -- 00 10 20 01 11 21 02 12) - psrldq xmmG,8 ; xmmG=(22 03 13 23 04 14 24 05 -- -- -- -- -- -- -- --) - - punpckhbw xmmA,xmmF ; xmmA=(00 08 10 18 20 28 01 09 11 19 21 29 02 0A 12 1A) - pslldq xmmF,8 ; xmmF=(-- -- -- -- -- -- -- -- 15 25 06 16 26 07 17 27) - - punpcklbw xmmG,xmmB ; xmmG=(22 2A 03 0B 13 1B 23 2B 04 0C 14 1C 24 2C 05 0D) - punpckhbw xmmF,xmmB ; xmmF=(15 1D 25 2D 06 0E 16 1E 26 2E 07 0F 17 1F 27 2F) - - movdqa xmmD,xmmA - pslldq xmmA,8 ; xmmA=(-- -- -- -- -- -- -- -- 00 08 10 18 20 28 01 09) - psrldq xmmD,8 ; xmmD=(11 19 21 29 02 0A 12 1A -- -- -- -- -- -- -- --) - - punpckhbw xmmA,xmmG ; xmmA=(00 04 08 0C 10 14 18 1C 20 24 28 2C 01 05 09 0D) - pslldq xmmG,8 ; xmmG=(-- -- -- -- -- -- -- -- 22 2A 03 0B 13 1B 23 2B) - - punpcklbw xmmD,xmmF ; xmmD=(11 15 19 1D 21 25 29 2D 02 06 0A 0E 12 16 1A 1E) - punpckhbw xmmG,xmmF ; xmmG=(22 26 2A 2E 03 07 0B 0F 13 17 1B 1F 23 27 2B 2F) - - movdqa xmmE,xmmA - pslldq xmmA,8 ; xmmA=(-- -- -- -- -- -- -- -- 00 04 08 0C 10 14 18 1C) - psrldq xmmE,8 ; xmmE=(20 24 28 2C 01 05 09 0D -- -- -- -- -- -- -- --) - - punpckhbw xmmA,xmmD ; xmmA=(00 02 04 06 08 0A 0C 0E 10 12 14 16 18 1A 1C 1E) - pslldq xmmD,8 ; xmmD=(-- -- -- -- -- -- -- -- 11 15 19 1D 21 25 29 2D) - - punpcklbw xmmE,xmmG ; xmmE=(20 22 24 26 28 2A 2C 2E 01 03 05 07 09 0B 0D 0F) - punpckhbw xmmD,xmmG ; xmmD=(11 13 15 17 19 1B 1D 1F 21 23 25 27 29 2B 2D 2F) - - pxor xmmH,xmmH - - movdqa xmmC,xmmA - punpcklbw xmmA,xmmH ; xmmA=(00 02 04 06 08 0A 0C 0E) - punpckhbw xmmC,xmmH ; xmmC=(10 12 14 16 18 1A 1C 1E) - - movdqa xmmB,xmmE - punpcklbw xmmE,xmmH ; xmmE=(20 22 24 26 28 2A 2C 2E) - punpckhbw xmmB,xmmH ; xmmB=(01 03 05 07 09 0B 0D 0F) - - movdqa xmmF,xmmD - punpcklbw xmmD,xmmH ; xmmD=(11 13 15 17 19 1B 1D 1F) - punpckhbw xmmF,xmmH ; xmmF=(21 23 25 27 29 2B 2D 2F) - -%else ; RGB_PIXELSIZE == 4 ; ----------- - -.column_ld1: - test cl, SIZEOF_XMMWORD/16 - jz short .column_ld2 - sub rcx, byte SIZEOF_XMMWORD/16 - movd xmmA, XMM_DWORD [rsi+rcx*RGB_PIXELSIZE] -.column_ld2: - test cl, SIZEOF_XMMWORD/8 - jz short .column_ld4 - sub rcx, byte SIZEOF_XMMWORD/8 - movq xmmE, XMM_MMWORD [rsi+rcx*RGB_PIXELSIZE] - pslldq xmmA, SIZEOF_MMWORD - por xmmA,xmmE -.column_ld4: - test cl, SIZEOF_XMMWORD/4 - jz short .column_ld8 - sub rcx, byte SIZEOF_XMMWORD/4 - movdqa xmmE,xmmA - movdqu xmmA, XMMWORD [rsi+rcx*RGB_PIXELSIZE] -.column_ld8: - test cl, SIZEOF_XMMWORD/2 - mov rcx, SIZEOF_XMMWORD - jz short .rgb_ycc_cnv - movdqa xmmF,xmmA - movdqa xmmH,xmmE - movdqu xmmA, XMMWORD [rsi+0*SIZEOF_XMMWORD] - movdqu xmmE, XMMWORD [rsi+1*SIZEOF_XMMWORD] - jmp short .rgb_ycc_cnv - -.columnloop: - movdqu xmmA, XMMWORD [rsi+0*SIZEOF_XMMWORD] - movdqu xmmE, XMMWORD [rsi+1*SIZEOF_XMMWORD] - movdqu xmmF, XMMWORD [rsi+2*SIZEOF_XMMWORD] - movdqu xmmH, XMMWORD [rsi+3*SIZEOF_XMMWORD] - -.rgb_ycc_cnv: - ; xmmA=(00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33) - ; xmmE=(04 14 24 34 05 15 25 35 06 16 26 36 07 17 27 37) - ; xmmF=(08 18 28 38 09 19 29 39 0A 1A 2A 3A 0B 1B 2B 3B) - ; xmmH=(0C 1C 2C 3C 0D 1D 2D 3D 0E 1E 2E 3E 0F 1F 2F 3F) - - movdqa xmmD,xmmA - punpcklbw xmmA,xmmE ; xmmA=(00 04 10 14 20 24 30 34 01 05 11 15 21 25 31 35) - punpckhbw xmmD,xmmE ; xmmD=(02 06 12 16 22 26 32 36 03 07 13 17 23 27 33 37) - - movdqa xmmC,xmmF - punpcklbw xmmF,xmmH ; xmmF=(08 0C 18 1C 28 2C 38 3C 09 0D 19 1D 29 2D 39 3D) - punpckhbw xmmC,xmmH ; xmmC=(0A 0E 1A 1E 2A 2E 3A 3E 0B 0F 1B 1F 2B 2F 3B 3F) - - movdqa xmmB,xmmA - punpcklwd xmmA,xmmF ; xmmA=(00 04 08 0C 10 14 18 1C 20 24 28 2C 30 34 38 3C) - punpckhwd xmmB,xmmF ; xmmB=(01 05 09 0D 11 15 19 1D 21 25 29 2D 31 35 39 3D) - - movdqa xmmG,xmmD - punpcklwd xmmD,xmmC ; xmmD=(02 06 0A 0E 12 16 1A 1E 22 26 2A 2E 32 36 3A 3E) - punpckhwd xmmG,xmmC ; xmmG=(03 07 0B 0F 13 17 1B 1F 23 27 2B 2F 33 37 3B 3F) - - movdqa xmmE,xmmA - punpcklbw xmmA,xmmD ; xmmA=(00 02 04 06 08 0A 0C 0E 10 12 14 16 18 1A 1C 1E) - punpckhbw xmmE,xmmD ; xmmE=(20 22 24 26 28 2A 2C 2E 30 32 34 36 38 3A 3C 3E) - - movdqa xmmH,xmmB - punpcklbw xmmB,xmmG ; xmmB=(01 03 05 07 09 0B 0D 0F 11 13 15 17 19 1B 1D 1F) - punpckhbw xmmH,xmmG ; xmmH=(21 23 25 27 29 2B 2D 2F 31 33 35 37 39 3B 3D 3F) - - pxor xmmF,xmmF - - movdqa xmmC,xmmA - punpcklbw xmmA,xmmF ; xmmA=(00 02 04 06 08 0A 0C 0E) - punpckhbw xmmC,xmmF ; xmmC=(10 12 14 16 18 1A 1C 1E) - - movdqa xmmD,xmmB - punpcklbw xmmB,xmmF ; xmmB=(01 03 05 07 09 0B 0D 0F) - punpckhbw xmmD,xmmF ; xmmD=(11 13 15 17 19 1B 1D 1F) - - movdqa xmmG,xmmE - punpcklbw xmmE,xmmF ; xmmE=(20 22 24 26 28 2A 2C 2E) - punpckhbw xmmG,xmmF ; xmmG=(30 32 34 36 38 3A 3C 3E) - - punpcklbw xmmF,xmmH - punpckhbw xmmH,xmmH - psrlw xmmF,BYTE_BIT ; xmmF=(21 23 25 27 29 2B 2D 2F) - psrlw xmmH,BYTE_BIT ; xmmH=(31 33 35 37 39 3B 3D 3F) - -%endif ; RGB_PIXELSIZE ; --------------- - - ; xmm0=R(02468ACE)=RE, xmm2=G(02468ACE)=GE, xmm4=B(02468ACE)=BE - ; xmm1=R(13579BDF)=RO, xmm3=G(13579BDF)=GO, xmm5=B(13579BDF)=BO - - ; (Original) - ; Y = 0.29900 * R + 0.58700 * G + 0.11400 * B - ; Cb = -0.16874 * R - 0.33126 * G + 0.50000 * B + CENTERJSAMPLE - ; Cr = 0.50000 * R - 0.41869 * G - 0.08131 * B + CENTERJSAMPLE - ; - ; (This implementation) - ; Y = 0.29900 * R + 0.33700 * G + 0.11400 * B + 0.25000 * G - ; Cb = -0.16874 * R - 0.33126 * G + 0.50000 * B + CENTERJSAMPLE - ; Cr = 0.50000 * R - 0.41869 * G - 0.08131 * B + CENTERJSAMPLE - - movdqa XMMWORD [wk(0)], xmm0 ; wk(0)=RE - movdqa XMMWORD [wk(1)], xmm1 ; wk(1)=RO - movdqa XMMWORD [wk(2)], xmm4 ; wk(2)=BE - movdqa XMMWORD [wk(3)], xmm5 ; wk(3)=BO - - movdqa xmm6,xmm1 - punpcklwd xmm1,xmm3 - punpckhwd xmm6,xmm3 - movdqa xmm7,xmm1 - movdqa xmm4,xmm6 - pmaddwd xmm1,[rel PW_F0299_F0337] ; xmm1=ROL*FIX(0.299)+GOL*FIX(0.337) - pmaddwd xmm6,[rel PW_F0299_F0337] ; xmm6=ROH*FIX(0.299)+GOH*FIX(0.337) - pmaddwd xmm7,[rel PW_MF016_MF033] ; xmm7=ROL*-FIX(0.168)+GOL*-FIX(0.331) - pmaddwd xmm4,[rel PW_MF016_MF033] ; xmm4=ROH*-FIX(0.168)+GOH*-FIX(0.331) - - movdqa XMMWORD [wk(4)], xmm1 ; wk(4)=ROL*FIX(0.299)+GOL*FIX(0.337) - movdqa XMMWORD [wk(5)], xmm6 ; wk(5)=ROH*FIX(0.299)+GOH*FIX(0.337) - - pxor xmm1,xmm1 - pxor xmm6,xmm6 - punpcklwd xmm1,xmm5 ; xmm1=BOL - punpckhwd xmm6,xmm5 ; xmm6=BOH - psrld xmm1,1 ; xmm1=BOL*FIX(0.500) - psrld xmm6,1 ; xmm6=BOH*FIX(0.500) - - movdqa xmm5,[rel PD_ONEHALFM1_CJ] ; xmm5=[PD_ONEHALFM1_CJ] - - paddd xmm7,xmm1 - paddd xmm4,xmm6 - paddd xmm7,xmm5 - paddd xmm4,xmm5 - psrld xmm7,SCALEBITS ; xmm7=CbOL - psrld xmm4,SCALEBITS ; xmm4=CbOH - packssdw xmm7,xmm4 ; xmm7=CbO - - movdqa xmm1, XMMWORD [wk(2)] ; xmm1=BE - - movdqa xmm6,xmm0 - punpcklwd xmm0,xmm2 - punpckhwd xmm6,xmm2 - movdqa xmm5,xmm0 - movdqa xmm4,xmm6 - pmaddwd xmm0,[rel PW_F0299_F0337] ; xmm0=REL*FIX(0.299)+GEL*FIX(0.337) - pmaddwd xmm6,[rel PW_F0299_F0337] ; xmm6=REH*FIX(0.299)+GEH*FIX(0.337) - pmaddwd xmm5,[rel PW_MF016_MF033] ; xmm5=REL*-FIX(0.168)+GEL*-FIX(0.331) - pmaddwd xmm4,[rel PW_MF016_MF033] ; xmm4=REH*-FIX(0.168)+GEH*-FIX(0.331) - - movdqa XMMWORD [wk(6)], xmm0 ; wk(6)=REL*FIX(0.299)+GEL*FIX(0.337) - movdqa XMMWORD [wk(7)], xmm6 ; wk(7)=REH*FIX(0.299)+GEH*FIX(0.337) - - pxor xmm0,xmm0 - pxor xmm6,xmm6 - punpcklwd xmm0,xmm1 ; xmm0=BEL - punpckhwd xmm6,xmm1 ; xmm6=BEH - psrld xmm0,1 ; xmm0=BEL*FIX(0.500) - psrld xmm6,1 ; xmm6=BEH*FIX(0.500) - - movdqa xmm1,[rel PD_ONEHALFM1_CJ] ; xmm1=[PD_ONEHALFM1_CJ] - - paddd xmm5,xmm0 - paddd xmm4,xmm6 - paddd xmm5,xmm1 - paddd xmm4,xmm1 - psrld xmm5,SCALEBITS ; xmm5=CbEL - psrld xmm4,SCALEBITS ; xmm4=CbEH - packssdw xmm5,xmm4 ; xmm5=CbE - - psllw xmm7,BYTE_BIT - por xmm5,xmm7 ; xmm5=Cb - movdqa XMMWORD [rbx], xmm5 ; Save Cb - - movdqa xmm0, XMMWORD [wk(3)] ; xmm0=BO - movdqa xmm6, XMMWORD [wk(2)] ; xmm6=BE - movdqa xmm1, XMMWORD [wk(1)] ; xmm1=RO - - movdqa xmm4,xmm0 - punpcklwd xmm0,xmm3 - punpckhwd xmm4,xmm3 - movdqa xmm7,xmm0 - movdqa xmm5,xmm4 - pmaddwd xmm0,[rel PW_F0114_F0250] ; xmm0=BOL*FIX(0.114)+GOL*FIX(0.250) - pmaddwd xmm4,[rel PW_F0114_F0250] ; xmm4=BOH*FIX(0.114)+GOH*FIX(0.250) - pmaddwd xmm7,[rel PW_MF008_MF041] ; xmm7=BOL*-FIX(0.081)+GOL*-FIX(0.418) - pmaddwd xmm5,[rel PW_MF008_MF041] ; xmm5=BOH*-FIX(0.081)+GOH*-FIX(0.418) - - movdqa xmm3,[rel PD_ONEHALF] ; xmm3=[PD_ONEHALF] - - paddd xmm0, XMMWORD [wk(4)] - paddd xmm4, XMMWORD [wk(5)] - paddd xmm0,xmm3 - paddd xmm4,xmm3 - psrld xmm0,SCALEBITS ; xmm0=YOL - psrld xmm4,SCALEBITS ; xmm4=YOH - packssdw xmm0,xmm4 ; xmm0=YO - - pxor xmm3,xmm3 - pxor xmm4,xmm4 - punpcklwd xmm3,xmm1 ; xmm3=ROL - punpckhwd xmm4,xmm1 ; xmm4=ROH - psrld xmm3,1 ; xmm3=ROL*FIX(0.500) - psrld xmm4,1 ; xmm4=ROH*FIX(0.500) - - movdqa xmm1,[rel PD_ONEHALFM1_CJ] ; xmm1=[PD_ONEHALFM1_CJ] - - paddd xmm7,xmm3 - paddd xmm5,xmm4 - paddd xmm7,xmm1 - paddd xmm5,xmm1 - psrld xmm7,SCALEBITS ; xmm7=CrOL - psrld xmm5,SCALEBITS ; xmm5=CrOH - packssdw xmm7,xmm5 ; xmm7=CrO - - movdqa xmm3, XMMWORD [wk(0)] ; xmm3=RE - - movdqa xmm4,xmm6 - punpcklwd xmm6,xmm2 - punpckhwd xmm4,xmm2 - movdqa xmm1,xmm6 - movdqa xmm5,xmm4 - pmaddwd xmm6,[rel PW_F0114_F0250] ; xmm6=BEL*FIX(0.114)+GEL*FIX(0.250) - pmaddwd xmm4,[rel PW_F0114_F0250] ; xmm4=BEH*FIX(0.114)+GEH*FIX(0.250) - pmaddwd xmm1,[rel PW_MF008_MF041] ; xmm1=BEL*-FIX(0.081)+GEL*-FIX(0.418) - pmaddwd xmm5,[rel PW_MF008_MF041] ; xmm5=BEH*-FIX(0.081)+GEH*-FIX(0.418) - - movdqa xmm2,[rel PD_ONEHALF] ; xmm2=[PD_ONEHALF] - - paddd xmm6, XMMWORD [wk(6)] - paddd xmm4, XMMWORD [wk(7)] - paddd xmm6,xmm2 - paddd xmm4,xmm2 - psrld xmm6,SCALEBITS ; xmm6=YEL - psrld xmm4,SCALEBITS ; xmm4=YEH - packssdw xmm6,xmm4 ; xmm6=YE - - psllw xmm0,BYTE_BIT - por xmm6,xmm0 ; xmm6=Y - movdqa XMMWORD [rdi], xmm6 ; Save Y - - pxor xmm2,xmm2 - pxor xmm4,xmm4 - punpcklwd xmm2,xmm3 ; xmm2=REL - punpckhwd xmm4,xmm3 ; xmm4=REH - psrld xmm2,1 ; xmm2=REL*FIX(0.500) - psrld xmm4,1 ; xmm4=REH*FIX(0.500) - - movdqa xmm0,[rel PD_ONEHALFM1_CJ] ; xmm0=[PD_ONEHALFM1_CJ] - - paddd xmm1,xmm2 - paddd xmm5,xmm4 - paddd xmm1,xmm0 - paddd xmm5,xmm0 - psrld xmm1,SCALEBITS ; xmm1=CrEL - psrld xmm5,SCALEBITS ; xmm5=CrEH - packssdw xmm1,xmm5 ; xmm1=CrE - - psllw xmm7,BYTE_BIT - por xmm1,xmm7 ; xmm1=Cr - movdqa XMMWORD [rdx], xmm1 ; Save Cr - - sub rcx, byte SIZEOF_XMMWORD - add rsi, byte RGB_PIXELSIZE*SIZEOF_XMMWORD ; inptr - add rdi, byte SIZEOF_XMMWORD ; outptr0 - add rbx, byte SIZEOF_XMMWORD ; outptr1 - add rdx, byte SIZEOF_XMMWORD ; outptr2 - cmp rcx, byte SIZEOF_XMMWORD - jae near .columnloop - test rcx,rcx - jnz near .column_ld1 - - pop rcx ; col - pop rsi - pop rdi - pop rbx - pop rdx - - add rsi, byte SIZEOF_JSAMPROW ; input_buf - add rdi, byte SIZEOF_JSAMPROW - add rbx, byte SIZEOF_JSAMPROW - add rdx, byte SIZEOF_JSAMPROW - dec rax ; num_rows - jg near .rowloop - -.return: - pop rbx - uncollect_args - mov rsp,rbp ; rsp <- aligned rbp - pop rsp ; rsp <- original rbp - pop rbp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jcclrss2.asm b/common/jpeg/simd/jcclrss2.asm deleted file mode 100644 index 8def718c..00000000 --- a/common/jpeg/simd/jcclrss2.asm +++ /dev/null @@ -1,505 +0,0 @@ -; -; jcclrss2.asm - colorspace conversion (SSE2) -; -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; [TAB8] - -%include "jcolsamp.inc" - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 32 -; -; Convert some rows of samples to the output colorspace. -; -; GLOBAL(void) -; jsimd_rgb_ycc_convert_sse2 (JDIMENSION img_width, -; JSAMPARRAY input_buf, JSAMPIMAGE output_buf, -; JDIMENSION output_row, int num_rows); -; - -%define img_width(b) (b)+8 ; JDIMENSION img_width -%define input_buf(b) (b)+12 ; JSAMPARRAY input_buf -%define output_buf(b) (b)+16 ; JSAMPIMAGE output_buf -%define output_row(b) (b)+20 ; JDIMENSION output_row -%define num_rows(b) (b)+24 ; int num_rows - -%define original_ebp ebp+0 -%define wk(i) ebp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM] -%define WK_NUM 8 -%define gotptr wk(0)-SIZEOF_POINTER ; void * gotptr - - align 16 - - global EXTN(jsimd_rgb_ycc_convert_sse2) - -EXTN(jsimd_rgb_ycc_convert_sse2): - push ebp - mov eax,esp ; eax = original ebp - sub esp, byte 4 - and esp, byte (-SIZEOF_XMMWORD) ; align to 128 bits - mov [esp],eax - mov ebp,esp ; ebp = aligned ebp - lea esp, [wk(0)] - pushpic eax ; make a room for GOT address - push ebx -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - get_GOT ebx ; get GOT address - movpic POINTER [gotptr], ebx ; save GOT address - - mov ecx, JDIMENSION [img_width(eax)] - test ecx,ecx - jz near .return - - push ecx - - mov esi, JSAMPIMAGE [output_buf(eax)] - mov ecx, JDIMENSION [output_row(eax)] - mov edi, JSAMPARRAY [esi+0*SIZEOF_JSAMPARRAY] - mov ebx, JSAMPARRAY [esi+1*SIZEOF_JSAMPARRAY] - mov edx, JSAMPARRAY [esi+2*SIZEOF_JSAMPARRAY] - lea edi, [edi+ecx*SIZEOF_JSAMPROW] - lea ebx, [ebx+ecx*SIZEOF_JSAMPROW] - lea edx, [edx+ecx*SIZEOF_JSAMPROW] - - pop ecx - - mov esi, JSAMPARRAY [input_buf(eax)] - mov eax, INT [num_rows(eax)] - test eax,eax - jle near .return - alignx 16,7 -.rowloop: - pushpic eax - push edx - push ebx - push edi - push esi - push ecx ; col - - mov esi, JSAMPROW [esi] ; inptr - mov edi, JSAMPROW [edi] ; outptr0 - mov ebx, JSAMPROW [ebx] ; outptr1 - mov edx, JSAMPROW [edx] ; outptr2 - movpic eax, POINTER [gotptr] ; load GOT address (eax) - - cmp ecx, byte SIZEOF_XMMWORD - jae near .columnloop - alignx 16,7 - -%if RGB_PIXELSIZE == 3 ; --------------- - -.column_ld1: - push eax - push edx - lea ecx,[ecx+ecx*2] ; imul ecx,RGB_PIXELSIZE - test cl, SIZEOF_BYTE - jz short .column_ld2 - sub ecx, byte SIZEOF_BYTE - movzx eax, BYTE [esi+ecx] -.column_ld2: - test cl, SIZEOF_WORD - jz short .column_ld4 - sub ecx, byte SIZEOF_WORD - movzx edx, WORD [esi+ecx] - shl eax, WORD_BIT - or eax,edx -.column_ld4: - movd xmmA,eax - pop edx - pop eax - test cl, SIZEOF_DWORD - jz short .column_ld8 - sub ecx, byte SIZEOF_DWORD - movd xmmF, XMM_DWORD [esi+ecx] - pslldq xmmA, SIZEOF_DWORD - por xmmA,xmmF -.column_ld8: - test cl, SIZEOF_MMWORD - jz short .column_ld16 - sub ecx, byte SIZEOF_MMWORD - movq xmmB, XMM_MMWORD [esi+ecx] - pslldq xmmA, SIZEOF_MMWORD - por xmmA,xmmB -.column_ld16: - test cl, SIZEOF_XMMWORD - jz short .column_ld32 - movdqa xmmF,xmmA - movdqu xmmA, XMMWORD [esi+0*SIZEOF_XMMWORD] - mov ecx, SIZEOF_XMMWORD - jmp short .rgb_ycc_cnv -.column_ld32: - test cl, 2*SIZEOF_XMMWORD - mov ecx, SIZEOF_XMMWORD - jz short .rgb_ycc_cnv - movdqa xmmB,xmmA - movdqu xmmA, XMMWORD [esi+0*SIZEOF_XMMWORD] - movdqu xmmF, XMMWORD [esi+1*SIZEOF_XMMWORD] - jmp short .rgb_ycc_cnv - alignx 16,7 - -.columnloop: - movdqu xmmA, XMMWORD [esi+0*SIZEOF_XMMWORD] - movdqu xmmF, XMMWORD [esi+1*SIZEOF_XMMWORD] - movdqu xmmB, XMMWORD [esi+2*SIZEOF_XMMWORD] - -.rgb_ycc_cnv: - ; xmmA=(00 10 20 01 11 21 02 12 22 03 13 23 04 14 24 05) - ; xmmF=(15 25 06 16 26 07 17 27 08 18 28 09 19 29 0A 1A) - ; xmmB=(2A 0B 1B 2B 0C 1C 2C 0D 1D 2D 0E 1E 2E 0F 1F 2F) - - movdqa xmmG,xmmA - pslldq xmmA,8 ; xmmA=(-- -- -- -- -- -- -- -- 00 10 20 01 11 21 02 12) - psrldq xmmG,8 ; xmmG=(22 03 13 23 04 14 24 05 -- -- -- -- -- -- -- --) - - punpckhbw xmmA,xmmF ; xmmA=(00 08 10 18 20 28 01 09 11 19 21 29 02 0A 12 1A) - pslldq xmmF,8 ; xmmF=(-- -- -- -- -- -- -- -- 15 25 06 16 26 07 17 27) - - punpcklbw xmmG,xmmB ; xmmG=(22 2A 03 0B 13 1B 23 2B 04 0C 14 1C 24 2C 05 0D) - punpckhbw xmmF,xmmB ; xmmF=(15 1D 25 2D 06 0E 16 1E 26 2E 07 0F 17 1F 27 2F) - - movdqa xmmD,xmmA - pslldq xmmA,8 ; xmmA=(-- -- -- -- -- -- -- -- 00 08 10 18 20 28 01 09) - psrldq xmmD,8 ; xmmD=(11 19 21 29 02 0A 12 1A -- -- -- -- -- -- -- --) - - punpckhbw xmmA,xmmG ; xmmA=(00 04 08 0C 10 14 18 1C 20 24 28 2C 01 05 09 0D) - pslldq xmmG,8 ; xmmG=(-- -- -- -- -- -- -- -- 22 2A 03 0B 13 1B 23 2B) - - punpcklbw xmmD,xmmF ; xmmD=(11 15 19 1D 21 25 29 2D 02 06 0A 0E 12 16 1A 1E) - punpckhbw xmmG,xmmF ; xmmG=(22 26 2A 2E 03 07 0B 0F 13 17 1B 1F 23 27 2B 2F) - - movdqa xmmE,xmmA - pslldq xmmA,8 ; xmmA=(-- -- -- -- -- -- -- -- 00 04 08 0C 10 14 18 1C) - psrldq xmmE,8 ; xmmE=(20 24 28 2C 01 05 09 0D -- -- -- -- -- -- -- --) - - punpckhbw xmmA,xmmD ; xmmA=(00 02 04 06 08 0A 0C 0E 10 12 14 16 18 1A 1C 1E) - pslldq xmmD,8 ; xmmD=(-- -- -- -- -- -- -- -- 11 15 19 1D 21 25 29 2D) - - punpcklbw xmmE,xmmG ; xmmE=(20 22 24 26 28 2A 2C 2E 01 03 05 07 09 0B 0D 0F) - punpckhbw xmmD,xmmG ; xmmD=(11 13 15 17 19 1B 1D 1F 21 23 25 27 29 2B 2D 2F) - - pxor xmmH,xmmH - - movdqa xmmC,xmmA - punpcklbw xmmA,xmmH ; xmmA=(00 02 04 06 08 0A 0C 0E) - punpckhbw xmmC,xmmH ; xmmC=(10 12 14 16 18 1A 1C 1E) - - movdqa xmmB,xmmE - punpcklbw xmmE,xmmH ; xmmE=(20 22 24 26 28 2A 2C 2E) - punpckhbw xmmB,xmmH ; xmmB=(01 03 05 07 09 0B 0D 0F) - - movdqa xmmF,xmmD - punpcklbw xmmD,xmmH ; xmmD=(11 13 15 17 19 1B 1D 1F) - punpckhbw xmmF,xmmH ; xmmF=(21 23 25 27 29 2B 2D 2F) - -%else ; RGB_PIXELSIZE == 4 ; ----------- - -.column_ld1: - test cl, SIZEOF_XMMWORD/16 - jz short .column_ld2 - sub ecx, byte SIZEOF_XMMWORD/16 - movd xmmA, XMM_DWORD [esi+ecx*RGB_PIXELSIZE] -.column_ld2: - test cl, SIZEOF_XMMWORD/8 - jz short .column_ld4 - sub ecx, byte SIZEOF_XMMWORD/8 - movq xmmE, XMM_MMWORD [esi+ecx*RGB_PIXELSIZE] - pslldq xmmA, SIZEOF_MMWORD - por xmmA,xmmE -.column_ld4: - test cl, SIZEOF_XMMWORD/4 - jz short .column_ld8 - sub ecx, byte SIZEOF_XMMWORD/4 - movdqa xmmE,xmmA - movdqu xmmA, XMMWORD [esi+ecx*RGB_PIXELSIZE] -.column_ld8: - test cl, SIZEOF_XMMWORD/2 - mov ecx, SIZEOF_XMMWORD - jz short .rgb_ycc_cnv - movdqa xmmF,xmmA - movdqa xmmH,xmmE - movdqu xmmA, XMMWORD [esi+0*SIZEOF_XMMWORD] - movdqu xmmE, XMMWORD [esi+1*SIZEOF_XMMWORD] - jmp short .rgb_ycc_cnv - alignx 16,7 - -.columnloop: - movdqu xmmA, XMMWORD [esi+0*SIZEOF_XMMWORD] - movdqu xmmE, XMMWORD [esi+1*SIZEOF_XMMWORD] - movdqu xmmF, XMMWORD [esi+2*SIZEOF_XMMWORD] - movdqu xmmH, XMMWORD [esi+3*SIZEOF_XMMWORD] - -.rgb_ycc_cnv: - ; xmmA=(00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33) - ; xmmE=(04 14 24 34 05 15 25 35 06 16 26 36 07 17 27 37) - ; xmmF=(08 18 28 38 09 19 29 39 0A 1A 2A 3A 0B 1B 2B 3B) - ; xmmH=(0C 1C 2C 3C 0D 1D 2D 3D 0E 1E 2E 3E 0F 1F 2F 3F) - - movdqa xmmD,xmmA - punpcklbw xmmA,xmmE ; xmmA=(00 04 10 14 20 24 30 34 01 05 11 15 21 25 31 35) - punpckhbw xmmD,xmmE ; xmmD=(02 06 12 16 22 26 32 36 03 07 13 17 23 27 33 37) - - movdqa xmmC,xmmF - punpcklbw xmmF,xmmH ; xmmF=(08 0C 18 1C 28 2C 38 3C 09 0D 19 1D 29 2D 39 3D) - punpckhbw xmmC,xmmH ; xmmC=(0A 0E 1A 1E 2A 2E 3A 3E 0B 0F 1B 1F 2B 2F 3B 3F) - - movdqa xmmB,xmmA - punpcklwd xmmA,xmmF ; xmmA=(00 04 08 0C 10 14 18 1C 20 24 28 2C 30 34 38 3C) - punpckhwd xmmB,xmmF ; xmmB=(01 05 09 0D 11 15 19 1D 21 25 29 2D 31 35 39 3D) - - movdqa xmmG,xmmD - punpcklwd xmmD,xmmC ; xmmD=(02 06 0A 0E 12 16 1A 1E 22 26 2A 2E 32 36 3A 3E) - punpckhwd xmmG,xmmC ; xmmG=(03 07 0B 0F 13 17 1B 1F 23 27 2B 2F 33 37 3B 3F) - - movdqa xmmE,xmmA - punpcklbw xmmA,xmmD ; xmmA=(00 02 04 06 08 0A 0C 0E 10 12 14 16 18 1A 1C 1E) - punpckhbw xmmE,xmmD ; xmmE=(20 22 24 26 28 2A 2C 2E 30 32 34 36 38 3A 3C 3E) - - movdqa xmmH,xmmB - punpcklbw xmmB,xmmG ; xmmB=(01 03 05 07 09 0B 0D 0F 11 13 15 17 19 1B 1D 1F) - punpckhbw xmmH,xmmG ; xmmH=(21 23 25 27 29 2B 2D 2F 31 33 35 37 39 3B 3D 3F) - - pxor xmmF,xmmF - - movdqa xmmC,xmmA - punpcklbw xmmA,xmmF ; xmmA=(00 02 04 06 08 0A 0C 0E) - punpckhbw xmmC,xmmF ; xmmC=(10 12 14 16 18 1A 1C 1E) - - movdqa xmmD,xmmB - punpcklbw xmmB,xmmF ; xmmB=(01 03 05 07 09 0B 0D 0F) - punpckhbw xmmD,xmmF ; xmmD=(11 13 15 17 19 1B 1D 1F) - - movdqa xmmG,xmmE - punpcklbw xmmE,xmmF ; xmmE=(20 22 24 26 28 2A 2C 2E) - punpckhbw xmmG,xmmF ; xmmG=(30 32 34 36 38 3A 3C 3E) - - punpcklbw xmmF,xmmH - punpckhbw xmmH,xmmH - psrlw xmmF,BYTE_BIT ; xmmF=(21 23 25 27 29 2B 2D 2F) - psrlw xmmH,BYTE_BIT ; xmmH=(31 33 35 37 39 3B 3D 3F) - -%endif ; RGB_PIXELSIZE ; --------------- - - ; xmm0=R(02468ACE)=RE, xmm2=G(02468ACE)=GE, xmm4=B(02468ACE)=BE - ; xmm1=R(13579BDF)=RO, xmm3=G(13579BDF)=GO, xmm5=B(13579BDF)=BO - - ; (Original) - ; Y = 0.29900 * R + 0.58700 * G + 0.11400 * B - ; Cb = -0.16874 * R - 0.33126 * G + 0.50000 * B + CENTERJSAMPLE - ; Cr = 0.50000 * R - 0.41869 * G - 0.08131 * B + CENTERJSAMPLE - ; - ; (This implementation) - ; Y = 0.29900 * R + 0.33700 * G + 0.11400 * B + 0.25000 * G - ; Cb = -0.16874 * R - 0.33126 * G + 0.50000 * B + CENTERJSAMPLE - ; Cr = 0.50000 * R - 0.41869 * G - 0.08131 * B + CENTERJSAMPLE - - movdqa XMMWORD [wk(0)], xmm0 ; wk(0)=RE - movdqa XMMWORD [wk(1)], xmm1 ; wk(1)=RO - movdqa XMMWORD [wk(2)], xmm4 ; wk(2)=BE - movdqa XMMWORD [wk(3)], xmm5 ; wk(3)=BO - - movdqa xmm6,xmm1 - punpcklwd xmm1,xmm3 - punpckhwd xmm6,xmm3 - movdqa xmm7,xmm1 - movdqa xmm4,xmm6 - pmaddwd xmm1,[GOTOFF(eax,PW_F0299_F0337)] ; xmm1=ROL*FIX(0.299)+GOL*FIX(0.337) - pmaddwd xmm6,[GOTOFF(eax,PW_F0299_F0337)] ; xmm6=ROH*FIX(0.299)+GOH*FIX(0.337) - pmaddwd xmm7,[GOTOFF(eax,PW_MF016_MF033)] ; xmm7=ROL*-FIX(0.168)+GOL*-FIX(0.331) - pmaddwd xmm4,[GOTOFF(eax,PW_MF016_MF033)] ; xmm4=ROH*-FIX(0.168)+GOH*-FIX(0.331) - - movdqa XMMWORD [wk(4)], xmm1 ; wk(4)=ROL*FIX(0.299)+GOL*FIX(0.337) - movdqa XMMWORD [wk(5)], xmm6 ; wk(5)=ROH*FIX(0.299)+GOH*FIX(0.337) - - pxor xmm1,xmm1 - pxor xmm6,xmm6 - punpcklwd xmm1,xmm5 ; xmm1=BOL - punpckhwd xmm6,xmm5 ; xmm6=BOH - psrld xmm1,1 ; xmm1=BOL*FIX(0.500) - psrld xmm6,1 ; xmm6=BOH*FIX(0.500) - - movdqa xmm5,[GOTOFF(eax,PD_ONEHALFM1_CJ)] ; xmm5=[PD_ONEHALFM1_CJ] - - paddd xmm7,xmm1 - paddd xmm4,xmm6 - paddd xmm7,xmm5 - paddd xmm4,xmm5 - psrld xmm7,SCALEBITS ; xmm7=CbOL - psrld xmm4,SCALEBITS ; xmm4=CbOH - packssdw xmm7,xmm4 ; xmm7=CbO - - movdqa xmm1, XMMWORD [wk(2)] ; xmm1=BE - - movdqa xmm6,xmm0 - punpcklwd xmm0,xmm2 - punpckhwd xmm6,xmm2 - movdqa xmm5,xmm0 - movdqa xmm4,xmm6 - pmaddwd xmm0,[GOTOFF(eax,PW_F0299_F0337)] ; xmm0=REL*FIX(0.299)+GEL*FIX(0.337) - pmaddwd xmm6,[GOTOFF(eax,PW_F0299_F0337)] ; xmm6=REH*FIX(0.299)+GEH*FIX(0.337) - pmaddwd xmm5,[GOTOFF(eax,PW_MF016_MF033)] ; xmm5=REL*-FIX(0.168)+GEL*-FIX(0.331) - pmaddwd xmm4,[GOTOFF(eax,PW_MF016_MF033)] ; xmm4=REH*-FIX(0.168)+GEH*-FIX(0.331) - - movdqa XMMWORD [wk(6)], xmm0 ; wk(6)=REL*FIX(0.299)+GEL*FIX(0.337) - movdqa XMMWORD [wk(7)], xmm6 ; wk(7)=REH*FIX(0.299)+GEH*FIX(0.337) - - pxor xmm0,xmm0 - pxor xmm6,xmm6 - punpcklwd xmm0,xmm1 ; xmm0=BEL - punpckhwd xmm6,xmm1 ; xmm6=BEH - psrld xmm0,1 ; xmm0=BEL*FIX(0.500) - psrld xmm6,1 ; xmm6=BEH*FIX(0.500) - - movdqa xmm1,[GOTOFF(eax,PD_ONEHALFM1_CJ)] ; xmm1=[PD_ONEHALFM1_CJ] - - paddd xmm5,xmm0 - paddd xmm4,xmm6 - paddd xmm5,xmm1 - paddd xmm4,xmm1 - psrld xmm5,SCALEBITS ; xmm5=CbEL - psrld xmm4,SCALEBITS ; xmm4=CbEH - packssdw xmm5,xmm4 ; xmm5=CbE - - psllw xmm7,BYTE_BIT - por xmm5,xmm7 ; xmm5=Cb - movdqa XMMWORD [ebx], xmm5 ; Save Cb - - movdqa xmm0, XMMWORD [wk(3)] ; xmm0=BO - movdqa xmm6, XMMWORD [wk(2)] ; xmm6=BE - movdqa xmm1, XMMWORD [wk(1)] ; xmm1=RO - - movdqa xmm4,xmm0 - punpcklwd xmm0,xmm3 - punpckhwd xmm4,xmm3 - movdqa xmm7,xmm0 - movdqa xmm5,xmm4 - pmaddwd xmm0,[GOTOFF(eax,PW_F0114_F0250)] ; xmm0=BOL*FIX(0.114)+GOL*FIX(0.250) - pmaddwd xmm4,[GOTOFF(eax,PW_F0114_F0250)] ; xmm4=BOH*FIX(0.114)+GOH*FIX(0.250) - pmaddwd xmm7,[GOTOFF(eax,PW_MF008_MF041)] ; xmm7=BOL*-FIX(0.081)+GOL*-FIX(0.418) - pmaddwd xmm5,[GOTOFF(eax,PW_MF008_MF041)] ; xmm5=BOH*-FIX(0.081)+GOH*-FIX(0.418) - - movdqa xmm3,[GOTOFF(eax,PD_ONEHALF)] ; xmm3=[PD_ONEHALF] - - paddd xmm0, XMMWORD [wk(4)] - paddd xmm4, XMMWORD [wk(5)] - paddd xmm0,xmm3 - paddd xmm4,xmm3 - psrld xmm0,SCALEBITS ; xmm0=YOL - psrld xmm4,SCALEBITS ; xmm4=YOH - packssdw xmm0,xmm4 ; xmm0=YO - - pxor xmm3,xmm3 - pxor xmm4,xmm4 - punpcklwd xmm3,xmm1 ; xmm3=ROL - punpckhwd xmm4,xmm1 ; xmm4=ROH - psrld xmm3,1 ; xmm3=ROL*FIX(0.500) - psrld xmm4,1 ; xmm4=ROH*FIX(0.500) - - movdqa xmm1,[GOTOFF(eax,PD_ONEHALFM1_CJ)] ; xmm1=[PD_ONEHALFM1_CJ] - - paddd xmm7,xmm3 - paddd xmm5,xmm4 - paddd xmm7,xmm1 - paddd xmm5,xmm1 - psrld xmm7,SCALEBITS ; xmm7=CrOL - psrld xmm5,SCALEBITS ; xmm5=CrOH - packssdw xmm7,xmm5 ; xmm7=CrO - - movdqa xmm3, XMMWORD [wk(0)] ; xmm3=RE - - movdqa xmm4,xmm6 - punpcklwd xmm6,xmm2 - punpckhwd xmm4,xmm2 - movdqa xmm1,xmm6 - movdqa xmm5,xmm4 - pmaddwd xmm6,[GOTOFF(eax,PW_F0114_F0250)] ; xmm6=BEL*FIX(0.114)+GEL*FIX(0.250) - pmaddwd xmm4,[GOTOFF(eax,PW_F0114_F0250)] ; xmm4=BEH*FIX(0.114)+GEH*FIX(0.250) - pmaddwd xmm1,[GOTOFF(eax,PW_MF008_MF041)] ; xmm1=BEL*-FIX(0.081)+GEL*-FIX(0.418) - pmaddwd xmm5,[GOTOFF(eax,PW_MF008_MF041)] ; xmm5=BEH*-FIX(0.081)+GEH*-FIX(0.418) - - movdqa xmm2,[GOTOFF(eax,PD_ONEHALF)] ; xmm2=[PD_ONEHALF] - - paddd xmm6, XMMWORD [wk(6)] - paddd xmm4, XMMWORD [wk(7)] - paddd xmm6,xmm2 - paddd xmm4,xmm2 - psrld xmm6,SCALEBITS ; xmm6=YEL - psrld xmm4,SCALEBITS ; xmm4=YEH - packssdw xmm6,xmm4 ; xmm6=YE - - psllw xmm0,BYTE_BIT - por xmm6,xmm0 ; xmm6=Y - movdqa XMMWORD [edi], xmm6 ; Save Y - - pxor xmm2,xmm2 - pxor xmm4,xmm4 - punpcklwd xmm2,xmm3 ; xmm2=REL - punpckhwd xmm4,xmm3 ; xmm4=REH - psrld xmm2,1 ; xmm2=REL*FIX(0.500) - psrld xmm4,1 ; xmm4=REH*FIX(0.500) - - movdqa xmm0,[GOTOFF(eax,PD_ONEHALFM1_CJ)] ; xmm0=[PD_ONEHALFM1_CJ] - - paddd xmm1,xmm2 - paddd xmm5,xmm4 - paddd xmm1,xmm0 - paddd xmm5,xmm0 - psrld xmm1,SCALEBITS ; xmm1=CrEL - psrld xmm5,SCALEBITS ; xmm5=CrEH - packssdw xmm1,xmm5 ; xmm1=CrE - - psllw xmm7,BYTE_BIT - por xmm1,xmm7 ; xmm1=Cr - movdqa XMMWORD [edx], xmm1 ; Save Cr - - sub ecx, byte SIZEOF_XMMWORD - add esi, byte RGB_PIXELSIZE*SIZEOF_XMMWORD ; inptr - add edi, byte SIZEOF_XMMWORD ; outptr0 - add ebx, byte SIZEOF_XMMWORD ; outptr1 - add edx, byte SIZEOF_XMMWORD ; outptr2 - cmp ecx, byte SIZEOF_XMMWORD - jae near .columnloop - test ecx,ecx - jnz near .column_ld1 - - pop ecx ; col - pop esi - pop edi - pop ebx - pop edx - poppic eax - - add esi, byte SIZEOF_JSAMPROW ; input_buf - add edi, byte SIZEOF_JSAMPROW - add ebx, byte SIZEOF_JSAMPROW - add edx, byte SIZEOF_JSAMPROW - dec eax ; num_rows - jg near .rowloop - -.return: - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved - pop ebx - mov esp,ebp ; esp <- aligned ebp - pop esp ; esp <- original ebp - pop ebp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jccolmmx.asm b/common/jpeg/simd/jccolmmx.asm deleted file mode 100644 index 5e7f3be9..00000000 --- a/common/jpeg/simd/jccolmmx.asm +++ /dev/null @@ -1,120 +0,0 @@ -; -; jccolmmx.asm - colorspace conversion (MMX) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; Copyright 2009 D. R. Commander -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; [TAB8] - -%include "jsimdext.inc" - -; -------------------------------------------------------------------------- - -%define SCALEBITS 16 - -F_0_081 equ 5329 ; FIX(0.08131) -F_0_114 equ 7471 ; FIX(0.11400) -F_0_168 equ 11059 ; FIX(0.16874) -F_0_250 equ 16384 ; FIX(0.25000) -F_0_299 equ 19595 ; FIX(0.29900) -F_0_331 equ 21709 ; FIX(0.33126) -F_0_418 equ 27439 ; FIX(0.41869) -F_0_587 equ 38470 ; FIX(0.58700) -F_0_337 equ (F_0_587 - F_0_250) ; FIX(0.58700) - FIX(0.25000) - -; -------------------------------------------------------------------------- - SECTION SEG_CONST - - alignz 16 - global EXTN(jconst_rgb_ycc_convert_mmx) - -EXTN(jconst_rgb_ycc_convert_mmx): - -PW_F0299_F0337 times 2 dw F_0_299, F_0_337 -PW_F0114_F0250 times 2 dw F_0_114, F_0_250 -PW_MF016_MF033 times 2 dw -F_0_168,-F_0_331 -PW_MF008_MF041 times 2 dw -F_0_081,-F_0_418 -PD_ONEHALFM1_CJ times 2 dd (1 << (SCALEBITS-1)) - 1 + (CENTERJSAMPLE << SCALEBITS) -PD_ONEHALF times 2 dd (1 << (SCALEBITS-1)) - - alignz 16 - -; -------------------------------------------------------------------------- -%include "jcclrmmx.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 0 -%define RGB_GREEN 1 -%define RGB_BLUE 2 -%define RGB_PIXELSIZE 3 -%define jsimd_rgb_ycc_convert_mmx jsimd_extrgb_ycc_convert_mmx -%include "jcclrmmx.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 0 -%define RGB_GREEN 1 -%define RGB_BLUE 2 -%define RGB_PIXELSIZE 4 -%define jsimd_rgb_ycc_convert_mmx jsimd_extrgbx_ycc_convert_mmx -%include "jcclrmmx.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 2 -%define RGB_GREEN 1 -%define RGB_BLUE 0 -%define RGB_PIXELSIZE 3 -%define jsimd_rgb_ycc_convert_mmx jsimd_extbgr_ycc_convert_mmx -%include "jcclrmmx.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 2 -%define RGB_GREEN 1 -%define RGB_BLUE 0 -%define RGB_PIXELSIZE 4 -%define jsimd_rgb_ycc_convert_mmx jsimd_extbgrx_ycc_convert_mmx -%include "jcclrmmx.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 3 -%define RGB_GREEN 2 -%define RGB_BLUE 1 -%define RGB_PIXELSIZE 4 -%define jsimd_rgb_ycc_convert_mmx jsimd_extxbgr_ycc_convert_mmx -%include "jcclrmmx.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 1 -%define RGB_GREEN 2 -%define RGB_BLUE 3 -%define RGB_PIXELSIZE 4 -%define jsimd_rgb_ycc_convert_mmx jsimd_extxrgb_ycc_convert_mmx -%include "jcclrmmx.asm" diff --git a/common/jpeg/simd/jccolss2-64.asm b/common/jpeg/simd/jccolss2-64.asm deleted file mode 100644 index 64ee0ba8..00000000 --- a/common/jpeg/simd/jccolss2-64.asm +++ /dev/null @@ -1,117 +0,0 @@ -; -; jccolss2-64.asm - colorspace conversion (64-bit SSE2) -; -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; Copyright (C) 2009, D. R. Commander. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; [TAB8] - -%include "jsimdext.inc" - -; -------------------------------------------------------------------------- - -%define SCALEBITS 16 - -F_0_081 equ 5329 ; FIX(0.08131) -F_0_114 equ 7471 ; FIX(0.11400) -F_0_168 equ 11059 ; FIX(0.16874) -F_0_250 equ 16384 ; FIX(0.25000) -F_0_299 equ 19595 ; FIX(0.29900) -F_0_331 equ 21709 ; FIX(0.33126) -F_0_418 equ 27439 ; FIX(0.41869) -F_0_587 equ 38470 ; FIX(0.58700) -F_0_337 equ (F_0_587 - F_0_250) ; FIX(0.58700) - FIX(0.25000) - -; -------------------------------------------------------------------------- - SECTION SEG_CONST - - alignz 16 - global EXTN(jconst_rgb_ycc_convert_sse2) - -EXTN(jconst_rgb_ycc_convert_sse2): - -PW_F0299_F0337 times 4 dw F_0_299, F_0_337 -PW_F0114_F0250 times 4 dw F_0_114, F_0_250 -PW_MF016_MF033 times 4 dw -F_0_168,-F_0_331 -PW_MF008_MF041 times 4 dw -F_0_081,-F_0_418 -PD_ONEHALFM1_CJ times 4 dd (1 << (SCALEBITS-1)) - 1 + (CENTERJSAMPLE << SCALEBITS) -PD_ONEHALF times 4 dd (1 << (SCALEBITS-1)) - - alignz 16 - -; -------------------------------------------------------------------------- -%include "jcclrss2-64.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 0 -%define RGB_GREEN 1 -%define RGB_BLUE 2 -%define RGB_PIXELSIZE 3 -%define jsimd_rgb_ycc_convert_sse2 jsimd_extrgb_ycc_convert_sse2 -%include "jcclrss2-64.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 0 -%define RGB_GREEN 1 -%define RGB_BLUE 2 -%define RGB_PIXELSIZE 4 -%define jsimd_rgb_ycc_convert_sse2 jsimd_extrgbx_ycc_convert_sse2 -%include "jcclrss2-64.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 2 -%define RGB_GREEN 1 -%define RGB_BLUE 0 -%define RGB_PIXELSIZE 3 -%define jsimd_rgb_ycc_convert_sse2 jsimd_extbgr_ycc_convert_sse2 -%include "jcclrss2-64.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 2 -%define RGB_GREEN 1 -%define RGB_BLUE 0 -%define RGB_PIXELSIZE 4 -%define jsimd_rgb_ycc_convert_sse2 jsimd_extbgrx_ycc_convert_sse2 -%include "jcclrss2-64.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 3 -%define RGB_GREEN 2 -%define RGB_BLUE 1 -%define RGB_PIXELSIZE 4 -%define jsimd_rgb_ycc_convert_sse2 jsimd_extxbgr_ycc_convert_sse2 -%include "jcclrss2-64.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 1 -%define RGB_GREEN 2 -%define RGB_BLUE 3 -%define RGB_PIXELSIZE 4 -%define jsimd_rgb_ycc_convert_sse2 jsimd_extxrgb_ycc_convert_sse2 -%include "jcclrss2-64.asm" diff --git a/common/jpeg/simd/jccolss2.asm b/common/jpeg/simd/jccolss2.asm deleted file mode 100644 index 8d1f7340..00000000 --- a/common/jpeg/simd/jccolss2.asm +++ /dev/null @@ -1,117 +0,0 @@ -; -; jccolss2.asm - colorspace conversion (SSE2) -; -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; Copyright (C) 2009, D. R. Commander. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; [TAB8] - -%include "jsimdext.inc" - -; -------------------------------------------------------------------------- - -%define SCALEBITS 16 - -F_0_081 equ 5329 ; FIX(0.08131) -F_0_114 equ 7471 ; FIX(0.11400) -F_0_168 equ 11059 ; FIX(0.16874) -F_0_250 equ 16384 ; FIX(0.25000) -F_0_299 equ 19595 ; FIX(0.29900) -F_0_331 equ 21709 ; FIX(0.33126) -F_0_418 equ 27439 ; FIX(0.41869) -F_0_587 equ 38470 ; FIX(0.58700) -F_0_337 equ (F_0_587 - F_0_250) ; FIX(0.58700) - FIX(0.25000) - -; -------------------------------------------------------------------------- - SECTION SEG_CONST - - alignz 16 - global EXTN(jconst_rgb_ycc_convert_sse2) - -EXTN(jconst_rgb_ycc_convert_sse2): - -PW_F0299_F0337 times 4 dw F_0_299, F_0_337 -PW_F0114_F0250 times 4 dw F_0_114, F_0_250 -PW_MF016_MF033 times 4 dw -F_0_168,-F_0_331 -PW_MF008_MF041 times 4 dw -F_0_081,-F_0_418 -PD_ONEHALFM1_CJ times 4 dd (1 << (SCALEBITS-1)) - 1 + (CENTERJSAMPLE << SCALEBITS) -PD_ONEHALF times 4 dd (1 << (SCALEBITS-1)) - - alignz 16 - -; -------------------------------------------------------------------------- -%include "jcclrss2.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 0 -%define RGB_GREEN 1 -%define RGB_BLUE 2 -%define RGB_PIXELSIZE 3 -%define jsimd_rgb_ycc_convert_sse2 jsimd_extrgb_ycc_convert_sse2 -%include "jcclrss2.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 0 -%define RGB_GREEN 1 -%define RGB_BLUE 2 -%define RGB_PIXELSIZE 4 -%define jsimd_rgb_ycc_convert_sse2 jsimd_extrgbx_ycc_convert_sse2 -%include "jcclrss2.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 2 -%define RGB_GREEN 1 -%define RGB_BLUE 0 -%define RGB_PIXELSIZE 3 -%define jsimd_rgb_ycc_convert_sse2 jsimd_extbgr_ycc_convert_sse2 -%include "jcclrss2.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 2 -%define RGB_GREEN 1 -%define RGB_BLUE 0 -%define RGB_PIXELSIZE 4 -%define jsimd_rgb_ycc_convert_sse2 jsimd_extbgrx_ycc_convert_sse2 -%include "jcclrss2.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 3 -%define RGB_GREEN 2 -%define RGB_BLUE 1 -%define RGB_PIXELSIZE 4 -%define jsimd_rgb_ycc_convert_sse2 jsimd_extxbgr_ycc_convert_sse2 -%include "jcclrss2.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 1 -%define RGB_GREEN 2 -%define RGB_BLUE 3 -%define RGB_PIXELSIZE 4 -%define jsimd_rgb_ycc_convert_sse2 jsimd_extxrgb_ycc_convert_sse2 -%include "jcclrss2.asm" diff --git a/common/jpeg/simd/jcolsamp.inc b/common/jpeg/simd/jcolsamp.inc deleted file mode 100644 index 79751b7c..00000000 --- a/common/jpeg/simd/jcolsamp.inc +++ /dev/null @@ -1,105 +0,0 @@ -; -; jcolsamp.inc - private declarations for color conversion & up/downsampling -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; [TAB8] - -; -------------------------------------------------------------------------- - -; pseudo-resisters to make ordering of RGB configurable -; -%if RGB_RED == 0 -%define mmA mm0 -%define mmB mm1 -%define xmmA xmm0 -%define xmmB xmm1 -%elif RGB_GREEN == 0 -%define mmA mm2 -%define mmB mm3 -%define xmmA xmm2 -%define xmmB xmm3 -%elif RGB_BLUE == 0 -%define mmA mm4 -%define mmB mm5 -%define xmmA xmm4 -%define xmmB xmm5 -%else -%define mmA mm6 -%define mmB mm7 -%define xmmA xmm6 -%define xmmB xmm7 -%endif - -%if RGB_RED == 1 -%define mmC mm0 -%define mmD mm1 -%define xmmC xmm0 -%define xmmD xmm1 -%elif RGB_GREEN == 1 -%define mmC mm2 -%define mmD mm3 -%define xmmC xmm2 -%define xmmD xmm3 -%elif RGB_BLUE == 1 -%define mmC mm4 -%define mmD mm5 -%define xmmC xmm4 -%define xmmD xmm5 -%else -%define mmC mm6 -%define mmD mm7 -%define xmmC xmm6 -%define xmmD xmm7 -%endif - -%if RGB_RED == 2 -%define mmE mm0 -%define mmF mm1 -%define xmmE xmm0 -%define xmmF xmm1 -%elif RGB_GREEN == 2 -%define mmE mm2 -%define mmF mm3 -%define xmmE xmm2 -%define xmmF xmm3 -%elif RGB_BLUE == 2 -%define mmE mm4 -%define mmF mm5 -%define xmmE xmm4 -%define xmmF xmm5 -%else -%define mmE mm6 -%define mmF mm7 -%define xmmE xmm6 -%define xmmF xmm7 -%endif - -%if RGB_RED == 3 -%define mmG mm0 -%define mmH mm1 -%define xmmG xmm0 -%define xmmH xmm1 -%elif RGB_GREEN == 3 -%define mmG mm2 -%define mmH mm3 -%define xmmG xmm2 -%define xmmH xmm3 -%elif RGB_BLUE == 3 -%define mmG mm4 -%define mmH mm5 -%define xmmG xmm4 -%define xmmH xmm5 -%else -%define mmG mm6 -%define mmH mm7 -%define xmmG xmm6 -%define xmmH xmm7 -%endif - -; -------------------------------------------------------------------------- diff --git a/common/jpeg/simd/jcqnt3dn.asm b/common/jpeg/simd/jcqnt3dn.asm deleted file mode 100644 index 182c8695..00000000 --- a/common/jpeg/simd/jcqnt3dn.asm +++ /dev/null @@ -1,233 +0,0 @@ -; -; jcqnt3dn.asm - sample data conversion and quantization (3DNow! & MMX) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; [TAB8] - -%include "jsimdext.inc" -%include "jdct.inc" - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 32 -; -; Load data into workspace, applying unsigned->signed conversion -; -; GLOBAL(void) -; jsimd_convsamp_float_3dnow (JSAMPARRAY sample_data, JDIMENSION start_col, -; FAST_FLOAT * workspace); -; - -%define sample_data ebp+8 ; JSAMPARRAY sample_data -%define start_col ebp+12 ; JDIMENSION start_col -%define workspace ebp+16 ; FAST_FLOAT * workspace - - align 16 - global EXTN(jsimd_convsamp_float_3dnow) - -EXTN(jsimd_convsamp_float_3dnow): - push ebp - mov ebp,esp - push ebx -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - pcmpeqw mm7,mm7 - psllw mm7,7 - packsswb mm7,mm7 ; mm7 = PB_CENTERJSAMPLE (0x808080..) - - mov esi, JSAMPARRAY [sample_data] ; (JSAMPROW *) - mov eax, JDIMENSION [start_col] - mov edi, POINTER [workspace] ; (DCTELEM *) - mov ecx, DCTSIZE/2 - alignx 16,7 -.convloop: - mov ebx, JSAMPROW [esi+0*SIZEOF_JSAMPROW] ; (JSAMPLE *) - mov edx, JSAMPROW [esi+1*SIZEOF_JSAMPROW] ; (JSAMPLE *) - - movq mm0, MMWORD [ebx+eax*SIZEOF_JSAMPLE] - movq mm1, MMWORD [edx+eax*SIZEOF_JSAMPLE] - - psubb mm0,mm7 ; mm0=(01234567) - psubb mm1,mm7 ; mm1=(89ABCDEF) - - punpcklbw mm2,mm0 ; mm2=(*0*1*2*3) - punpckhbw mm0,mm0 ; mm0=(*4*5*6*7) - punpcklbw mm3,mm1 ; mm3=(*8*9*A*B) - punpckhbw mm1,mm1 ; mm1=(*C*D*E*F) - - punpcklwd mm4,mm2 ; mm4=(***0***1) - punpckhwd mm2,mm2 ; mm2=(***2***3) - punpcklwd mm5,mm0 ; mm5=(***4***5) - punpckhwd mm0,mm0 ; mm0=(***6***7) - - psrad mm4,(DWORD_BIT-BYTE_BIT) ; mm4=(01) - psrad mm2,(DWORD_BIT-BYTE_BIT) ; mm2=(23) - pi2fd mm4,mm4 - pi2fd mm2,mm2 - psrad mm5,(DWORD_BIT-BYTE_BIT) ; mm5=(45) - psrad mm0,(DWORD_BIT-BYTE_BIT) ; mm0=(67) - pi2fd mm5,mm5 - pi2fd mm0,mm0 - - movq MMWORD [MMBLOCK(0,0,edi,SIZEOF_FAST_FLOAT)], mm4 - movq MMWORD [MMBLOCK(0,1,edi,SIZEOF_FAST_FLOAT)], mm2 - movq MMWORD [MMBLOCK(0,2,edi,SIZEOF_FAST_FLOAT)], mm5 - movq MMWORD [MMBLOCK(0,3,edi,SIZEOF_FAST_FLOAT)], mm0 - - punpcklwd mm6,mm3 ; mm6=(***8***9) - punpckhwd mm3,mm3 ; mm3=(***A***B) - punpcklwd mm4,mm1 ; mm4=(***C***D) - punpckhwd mm1,mm1 ; mm1=(***E***F) - - psrad mm6,(DWORD_BIT-BYTE_BIT) ; mm6=(89) - psrad mm3,(DWORD_BIT-BYTE_BIT) ; mm3=(AB) - pi2fd mm6,mm6 - pi2fd mm3,mm3 - psrad mm4,(DWORD_BIT-BYTE_BIT) ; mm4=(CD) - psrad mm1,(DWORD_BIT-BYTE_BIT) ; mm1=(EF) - pi2fd mm4,mm4 - pi2fd mm1,mm1 - - movq MMWORD [MMBLOCK(1,0,edi,SIZEOF_FAST_FLOAT)], mm6 - movq MMWORD [MMBLOCK(1,1,edi,SIZEOF_FAST_FLOAT)], mm3 - movq MMWORD [MMBLOCK(1,2,edi,SIZEOF_FAST_FLOAT)], mm4 - movq MMWORD [MMBLOCK(1,3,edi,SIZEOF_FAST_FLOAT)], mm1 - - add esi, byte 2*SIZEOF_JSAMPROW - add edi, byte 2*DCTSIZE*SIZEOF_FAST_FLOAT - dec ecx - jnz near .convloop - - femms ; empty MMX/3DNow! state - - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved - pop ebx - pop ebp - ret - - -; -------------------------------------------------------------------------- -; -; Quantize/descale the coefficients, and store into coef_block -; -; GLOBAL(void) -; jsimd_quantize_float_3dnow (JCOEFPTR coef_block, FAST_FLOAT * divisors, -; FAST_FLOAT * workspace); -; - -%define coef_block ebp+8 ; JCOEFPTR coef_block -%define divisors ebp+12 ; FAST_FLOAT * divisors -%define workspace ebp+16 ; FAST_FLOAT * workspace - - align 16 - global EXTN(jsimd_quantize_float_3dnow) - -EXTN(jsimd_quantize_float_3dnow): - push ebp - mov ebp,esp -; push ebx ; unused -; push ecx ; unused -; push edx ; need not be preserved - push esi - push edi - - mov eax, 0x4B400000 ; (float)0x00C00000 (rndint_magic) - movd mm7,eax - punpckldq mm7,mm7 ; mm7={12582912.0F 12582912.0F} - - mov esi, POINTER [workspace] - mov edx, POINTER [divisors] - mov edi, JCOEFPTR [coef_block] - mov eax, DCTSIZE2/16 - alignx 16,7 -.quantloop: - movq mm0, MMWORD [MMBLOCK(0,0,esi,SIZEOF_FAST_FLOAT)] - movq mm1, MMWORD [MMBLOCK(0,1,esi,SIZEOF_FAST_FLOAT)] - pfmul mm0, MMWORD [MMBLOCK(0,0,edx,SIZEOF_FAST_FLOAT)] - pfmul mm1, MMWORD [MMBLOCK(0,1,edx,SIZEOF_FAST_FLOAT)] - movq mm2, MMWORD [MMBLOCK(0,2,esi,SIZEOF_FAST_FLOAT)] - movq mm3, MMWORD [MMBLOCK(0,3,esi,SIZEOF_FAST_FLOAT)] - pfmul mm2, MMWORD [MMBLOCK(0,2,edx,SIZEOF_FAST_FLOAT)] - pfmul mm3, MMWORD [MMBLOCK(0,3,edx,SIZEOF_FAST_FLOAT)] - - pfadd mm0,mm7 ; mm0=(00 ** 01 **) - pfadd mm1,mm7 ; mm1=(02 ** 03 **) - pfadd mm2,mm7 ; mm0=(04 ** 05 **) - pfadd mm3,mm7 ; mm1=(06 ** 07 **) - - movq mm4,mm0 - punpcklwd mm0,mm1 ; mm0=(00 02 ** **) - punpckhwd mm4,mm1 ; mm4=(01 03 ** **) - movq mm5,mm2 - punpcklwd mm2,mm3 ; mm2=(04 06 ** **) - punpckhwd mm5,mm3 ; mm5=(05 07 ** **) - - punpcklwd mm0,mm4 ; mm0=(00 01 02 03) - punpcklwd mm2,mm5 ; mm2=(04 05 06 07) - - movq mm6, MMWORD [MMBLOCK(1,0,esi,SIZEOF_FAST_FLOAT)] - movq mm1, MMWORD [MMBLOCK(1,1,esi,SIZEOF_FAST_FLOAT)] - pfmul mm6, MMWORD [MMBLOCK(1,0,edx,SIZEOF_FAST_FLOAT)] - pfmul mm1, MMWORD [MMBLOCK(1,1,edx,SIZEOF_FAST_FLOAT)] - movq mm3, MMWORD [MMBLOCK(1,2,esi,SIZEOF_FAST_FLOAT)] - movq mm4, MMWORD [MMBLOCK(1,3,esi,SIZEOF_FAST_FLOAT)] - pfmul mm3, MMWORD [MMBLOCK(1,2,edx,SIZEOF_FAST_FLOAT)] - pfmul mm4, MMWORD [MMBLOCK(1,3,edx,SIZEOF_FAST_FLOAT)] - - pfadd mm6,mm7 ; mm0=(10 ** 11 **) - pfadd mm1,mm7 ; mm4=(12 ** 13 **) - pfadd mm3,mm7 ; mm0=(14 ** 15 **) - pfadd mm4,mm7 ; mm4=(16 ** 17 **) - - movq mm5,mm6 - punpcklwd mm6,mm1 ; mm6=(10 12 ** **) - punpckhwd mm5,mm1 ; mm5=(11 13 ** **) - movq mm1,mm3 - punpcklwd mm3,mm4 ; mm3=(14 16 ** **) - punpckhwd mm1,mm4 ; mm1=(15 17 ** **) - - punpcklwd mm6,mm5 ; mm6=(10 11 12 13) - punpcklwd mm3,mm1 ; mm3=(14 15 16 17) - - movq MMWORD [MMBLOCK(0,0,edi,SIZEOF_JCOEF)], mm0 - movq MMWORD [MMBLOCK(0,1,edi,SIZEOF_JCOEF)], mm2 - movq MMWORD [MMBLOCK(1,0,edi,SIZEOF_JCOEF)], mm6 - movq MMWORD [MMBLOCK(1,1,edi,SIZEOF_JCOEF)], mm3 - - add esi, byte 16*SIZEOF_FAST_FLOAT - add edx, byte 16*SIZEOF_FAST_FLOAT - add edi, byte 16*SIZEOF_JCOEF - dec eax - jnz near .quantloop - - femms ; empty MMX/3DNow! state - - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; unused -; pop ebx ; unused - pop ebp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jcqntmmx.asm b/common/jpeg/simd/jcqntmmx.asm deleted file mode 100644 index 08b08b79..00000000 --- a/common/jpeg/simd/jcqntmmx.asm +++ /dev/null @@ -1,274 +0,0 @@ -; -; jcqntmmx.asm - sample data conversion and quantization (MMX) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; [TAB8] - -%include "jsimdext.inc" -%include "jdct.inc" - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 32 -; -; Load data into workspace, applying unsigned->signed conversion -; -; GLOBAL(void) -; jsimd_convsamp_mmx (JSAMPARRAY sample_data, JDIMENSION start_col, -; DCTELEM * workspace); -; - -%define sample_data ebp+8 ; JSAMPARRAY sample_data -%define start_col ebp+12 ; JDIMENSION start_col -%define workspace ebp+16 ; DCTELEM * workspace - - align 16 - global EXTN(jsimd_convsamp_mmx) - -EXTN(jsimd_convsamp_mmx): - push ebp - mov ebp,esp - push ebx -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - pxor mm6,mm6 ; mm6=(all 0's) - pcmpeqw mm7,mm7 - psllw mm7,7 ; mm7={0xFF80 0xFF80 0xFF80 0xFF80} - - mov esi, JSAMPARRAY [sample_data] ; (JSAMPROW *) - mov eax, JDIMENSION [start_col] - mov edi, POINTER [workspace] ; (DCTELEM *) - mov ecx, DCTSIZE/4 - alignx 16,7 -.convloop: - mov ebx, JSAMPROW [esi+0*SIZEOF_JSAMPROW] ; (JSAMPLE *) - mov edx, JSAMPROW [esi+1*SIZEOF_JSAMPROW] ; (JSAMPLE *) - - movq mm0, MMWORD [ebx+eax*SIZEOF_JSAMPLE] ; mm0=(01234567) - movq mm1, MMWORD [edx+eax*SIZEOF_JSAMPLE] ; mm1=(89ABCDEF) - - mov ebx, JSAMPROW [esi+2*SIZEOF_JSAMPROW] ; (JSAMPLE *) - mov edx, JSAMPROW [esi+3*SIZEOF_JSAMPROW] ; (JSAMPLE *) - - movq mm2, MMWORD [ebx+eax*SIZEOF_JSAMPLE] ; mm2=(GHIJKLMN) - movq mm3, MMWORD [edx+eax*SIZEOF_JSAMPLE] ; mm3=(OPQRSTUV) - - movq mm4,mm0 - punpcklbw mm0,mm6 ; mm0=(0123) - punpckhbw mm4,mm6 ; mm4=(4567) - movq mm5,mm1 - punpcklbw mm1,mm6 ; mm1=(89AB) - punpckhbw mm5,mm6 ; mm5=(CDEF) - - paddw mm0,mm7 - paddw mm4,mm7 - paddw mm1,mm7 - paddw mm5,mm7 - - movq MMWORD [MMBLOCK(0,0,edi,SIZEOF_DCTELEM)], mm0 - movq MMWORD [MMBLOCK(0,1,edi,SIZEOF_DCTELEM)], mm4 - movq MMWORD [MMBLOCK(1,0,edi,SIZEOF_DCTELEM)], mm1 - movq MMWORD [MMBLOCK(1,1,edi,SIZEOF_DCTELEM)], mm5 - - movq mm0,mm2 - punpcklbw mm2,mm6 ; mm2=(GHIJ) - punpckhbw mm0,mm6 ; mm0=(KLMN) - movq mm4,mm3 - punpcklbw mm3,mm6 ; mm3=(OPQR) - punpckhbw mm4,mm6 ; mm4=(STUV) - - paddw mm2,mm7 - paddw mm0,mm7 - paddw mm3,mm7 - paddw mm4,mm7 - - movq MMWORD [MMBLOCK(2,0,edi,SIZEOF_DCTELEM)], mm2 - movq MMWORD [MMBLOCK(2,1,edi,SIZEOF_DCTELEM)], mm0 - movq MMWORD [MMBLOCK(3,0,edi,SIZEOF_DCTELEM)], mm3 - movq MMWORD [MMBLOCK(3,1,edi,SIZEOF_DCTELEM)], mm4 - - add esi, byte 4*SIZEOF_JSAMPROW - add edi, byte 4*DCTSIZE*SIZEOF_DCTELEM - dec ecx - jnz short .convloop - - emms ; empty MMX state - - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved - pop ebx - pop ebp - ret - -; -------------------------------------------------------------------------- -; -; Quantize/descale the coefficients, and store into coef_block -; -; This implementation is based on an algorithm described in -; "How to optimize for the Pentium family of microprocessors" -; (http://www.agner.org/assem/). -; -; GLOBAL(void) -; jsimd_quantize_mmx (JCOEFPTR coef_block, DCTELEM * divisors, -; DCTELEM * workspace); -; - -%define RECIPROCAL(m,n,b) MMBLOCK(DCTSIZE*0+(m),(n),(b),SIZEOF_DCTELEM) -%define CORRECTION(m,n,b) MMBLOCK(DCTSIZE*1+(m),(n),(b),SIZEOF_DCTELEM) -%define SCALE(m,n,b) MMBLOCK(DCTSIZE*2+(m),(n),(b),SIZEOF_DCTELEM) -%define SHIFT(m,n,b) MMBLOCK(DCTSIZE*3+(m),(n),(b),SIZEOF_DCTELEM) - -%define coef_block ebp+8 ; JCOEFPTR coef_block -%define divisors ebp+12 ; DCTELEM * divisors -%define workspace ebp+16 ; DCTELEM * workspace - - align 16 - global EXTN(jsimd_quantize_mmx) - -EXTN(jsimd_quantize_mmx): - push ebp - mov ebp,esp -; push ebx ; unused -; push ecx ; unused -; push edx ; need not be preserved - push esi - push edi - - mov esi, POINTER [workspace] - mov edx, POINTER [divisors] - mov edi, JCOEFPTR [coef_block] - mov ah, 2 - alignx 16,7 -.quantloop1: - mov al, DCTSIZE2/8/2 - alignx 16,7 -.quantloop2: - movq mm2, MMWORD [MMBLOCK(0,0,esi,SIZEOF_DCTELEM)] - movq mm3, MMWORD [MMBLOCK(0,1,esi,SIZEOF_DCTELEM)] - - movq mm0,mm2 - movq mm1,mm3 - - psraw mm2,(WORD_BIT-1) ; -1 if value < 0, 0 otherwise - psraw mm3,(WORD_BIT-1) - - pxor mm0,mm2 ; val = -val - pxor mm1,mm3 - psubw mm0,mm2 - psubw mm1,mm3 - - ; - ; MMX is an annoyingly crappy instruction set. It has two - ; misfeatures that are causing problems here: - ; - ; - All multiplications are signed. - ; - ; - The second operand for the shifts is not treated as packed. - ; - ; - ; We work around the first problem by implementing this algorithm: - ; - ; unsigned long unsigned_multiply(unsigned short x, unsigned short y) - ; { - ; enum { SHORT_BIT = 16 }; - ; signed short sx = (signed short) x; - ; signed short sy = (signed short) y; - ; signed long sz; - ; - ; sz = (long) sx * (long) sy; /* signed multiply */ - ; - ; if (sx < 0) sz += (long) sy << SHORT_BIT; - ; if (sy < 0) sz += (long) sx << SHORT_BIT; - ; - ; return (unsigned long) sz; - ; } - ; - ; (note that a negative sx adds _sy_ and vice versa) - ; - ; For the second problem, we replace the shift by a multiplication. - ; Unfortunately that means we have to deal with the signed issue again. - ; - - paddw mm0, MMWORD [CORRECTION(0,0,edx)] ; correction + roundfactor - paddw mm1, MMWORD [CORRECTION(0,1,edx)] - - movq mm4,mm0 ; store current value for later - movq mm5,mm1 - pmulhw mm0, MMWORD [RECIPROCAL(0,0,edx)] ; reciprocal - pmulhw mm1, MMWORD [RECIPROCAL(0,1,edx)] - paddw mm0,mm4 ; reciprocal is always negative (MSB=1), - paddw mm1,mm5 ; so we always need to add the initial value - ; (input value is never negative as we - ; inverted it at the start of this routine) - - ; here it gets a bit tricky as both scale - ; and mm0/mm1 can be negative - movq mm6, MMWORD [SCALE(0,0,edx)] ; scale - movq mm7, MMWORD [SCALE(0,1,edx)] - movq mm4,mm0 - movq mm5,mm1 - pmulhw mm0,mm6 - pmulhw mm1,mm7 - - psraw mm6,(WORD_BIT-1) ; determine if scale is negative - psraw mm7,(WORD_BIT-1) - - pand mm6,mm4 ; and add input if it is - pand mm7,mm5 - paddw mm0,mm6 - paddw mm1,mm7 - - psraw mm4,(WORD_BIT-1) ; then check if negative input - psraw mm5,(WORD_BIT-1) - - pand mm4, MMWORD [SCALE(0,0,edx)] ; and add scale if it is - pand mm5, MMWORD [SCALE(0,1,edx)] - paddw mm0,mm4 - paddw mm1,mm5 - - pxor mm0,mm2 ; val = -val - pxor mm1,mm3 - psubw mm0,mm2 - psubw mm1,mm3 - - movq MMWORD [MMBLOCK(0,0,edi,SIZEOF_DCTELEM)], mm0 - movq MMWORD [MMBLOCK(0,1,edi,SIZEOF_DCTELEM)], mm1 - - add esi, byte 8*SIZEOF_DCTELEM - add edx, byte 8*SIZEOF_DCTELEM - add edi, byte 8*SIZEOF_JCOEF - dec al - jnz near .quantloop2 - dec ah - jnz near .quantloop1 ; to avoid branch misprediction - - emms ; empty MMX state - - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; unused -; pop ebx ; unused - pop ebp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jcqnts2f-64.asm b/common/jpeg/simd/jcqnts2f-64.asm deleted file mode 100644 index d0efa1b9..00000000 --- a/common/jpeg/simd/jcqnts2f-64.asm +++ /dev/null @@ -1,158 +0,0 @@ -; -; jcqnts2f-64.asm - sample data conversion and quantization (64-bit SSE & SSE2) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; Copyright 2009 D. R. Commander -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; [TAB8] - -%include "jsimdext.inc" -%include "jdct.inc" - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 64 -; -; Load data into workspace, applying unsigned->signed conversion -; -; GLOBAL(void) -; jsimd_convsamp_float_sse2 (JSAMPARRAY sample_data, JDIMENSION start_col, -; FAST_FLOAT * workspace); -; - -; r10 = JSAMPARRAY sample_data -; r11 = JDIMENSION start_col -; r12 = FAST_FLOAT * workspace - - align 16 - global EXTN(jsimd_convsamp_float_sse2) - -EXTN(jsimd_convsamp_float_sse2): - push rbp - mov rax,rsp - mov rbp,rsp - collect_args - push rbx - - pcmpeqw xmm7,xmm7 - psllw xmm7,7 - packsswb xmm7,xmm7 ; xmm7 = PB_CENTERJSAMPLE (0x808080..) - - mov rsi, r10 - mov rax, r11 - mov rdi, r12 - mov rcx, DCTSIZE/2 -.convloop: - mov rbx, JSAMPROW [rsi+0*SIZEOF_JSAMPROW] ; (JSAMPLE *) - mov rdx, JSAMPROW [rsi+1*SIZEOF_JSAMPROW] ; (JSAMPLE *) - - movq xmm0, XMM_MMWORD [rbx+rax*SIZEOF_JSAMPLE] - movq xmm1, XMM_MMWORD [rdx+rax*SIZEOF_JSAMPLE] - - psubb xmm0,xmm7 ; xmm0=(01234567) - psubb xmm1,xmm7 ; xmm1=(89ABCDEF) - - punpcklbw xmm0,xmm0 ; xmm0=(*0*1*2*3*4*5*6*7) - punpcklbw xmm1,xmm1 ; xmm1=(*8*9*A*B*C*D*E*F) - - punpcklwd xmm2,xmm0 ; xmm2=(***0***1***2***3) - punpckhwd xmm0,xmm0 ; xmm0=(***4***5***6***7) - punpcklwd xmm3,xmm1 ; xmm3=(***8***9***A***B) - punpckhwd xmm1,xmm1 ; xmm1=(***C***D***E***F) - - psrad xmm2,(DWORD_BIT-BYTE_BIT) ; xmm2=(0123) - psrad xmm0,(DWORD_BIT-BYTE_BIT) ; xmm0=(4567) - cvtdq2ps xmm2,xmm2 ; xmm2=(0123) - cvtdq2ps xmm0,xmm0 ; xmm0=(4567) - psrad xmm3,(DWORD_BIT-BYTE_BIT) ; xmm3=(89AB) - psrad xmm1,(DWORD_BIT-BYTE_BIT) ; xmm1=(CDEF) - cvtdq2ps xmm3,xmm3 ; xmm3=(89AB) - cvtdq2ps xmm1,xmm1 ; xmm1=(CDEF) - - movaps XMMWORD [XMMBLOCK(0,0,rdi,SIZEOF_FAST_FLOAT)], xmm2 - movaps XMMWORD [XMMBLOCK(0,1,rdi,SIZEOF_FAST_FLOAT)], xmm0 - movaps XMMWORD [XMMBLOCK(1,0,rdi,SIZEOF_FAST_FLOAT)], xmm3 - movaps XMMWORD [XMMBLOCK(1,1,rdi,SIZEOF_FAST_FLOAT)], xmm1 - - add rsi, byte 2*SIZEOF_JSAMPROW - add rdi, byte 2*DCTSIZE*SIZEOF_FAST_FLOAT - dec rcx - jnz short .convloop - - pop rbx - uncollect_args - pop rbp - ret - - -; -------------------------------------------------------------------------- -; -; Quantize/descale the coefficients, and store into coef_block -; -; GLOBAL(void) -; jsimd_quantize_float_sse2 (JCOEFPTR coef_block, FAST_FLOAT * divisors, -; FAST_FLOAT * workspace); -; - -; r10 = JCOEFPTR coef_block -; r11 = FAST_FLOAT * divisors -; r12 = FAST_FLOAT * workspace - - align 16 - global EXTN(jsimd_quantize_float_sse2) - -EXTN(jsimd_quantize_float_sse2): - push rbp - mov rax,rsp - mov rbp,rsp - collect_args - - mov rsi, r12 - mov rdx, r11 - mov rdi, r10 - mov rax, DCTSIZE2/16 -.quantloop: - movaps xmm0, XMMWORD [XMMBLOCK(0,0,rsi,SIZEOF_FAST_FLOAT)] - movaps xmm1, XMMWORD [XMMBLOCK(0,1,rsi,SIZEOF_FAST_FLOAT)] - mulps xmm0, XMMWORD [XMMBLOCK(0,0,rdx,SIZEOF_FAST_FLOAT)] - mulps xmm1, XMMWORD [XMMBLOCK(0,1,rdx,SIZEOF_FAST_FLOAT)] - movaps xmm2, XMMWORD [XMMBLOCK(1,0,rsi,SIZEOF_FAST_FLOAT)] - movaps xmm3, XMMWORD [XMMBLOCK(1,1,rsi,SIZEOF_FAST_FLOAT)] - mulps xmm2, XMMWORD [XMMBLOCK(1,0,rdx,SIZEOF_FAST_FLOAT)] - mulps xmm3, XMMWORD [XMMBLOCK(1,1,rdx,SIZEOF_FAST_FLOAT)] - - cvtps2dq xmm0,xmm0 - cvtps2dq xmm1,xmm1 - cvtps2dq xmm2,xmm2 - cvtps2dq xmm3,xmm3 - - packssdw xmm0,xmm1 - packssdw xmm2,xmm3 - - movdqa XMMWORD [XMMBLOCK(0,0,rdi,SIZEOF_JCOEF)], xmm0 - movdqa XMMWORD [XMMBLOCK(1,0,rdi,SIZEOF_JCOEF)], xmm2 - - add rsi, byte 16*SIZEOF_FAST_FLOAT - add rdx, byte 16*SIZEOF_FAST_FLOAT - add rdi, byte 16*SIZEOF_JCOEF - dec rax - jnz short .quantloop - - uncollect_args - pop rbp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jcqnts2f.asm b/common/jpeg/simd/jcqnts2f.asm deleted file mode 100644 index d80ae5dc..00000000 --- a/common/jpeg/simd/jcqnts2f.asm +++ /dev/null @@ -1,171 +0,0 @@ -; -; jcqnts2f.asm - sample data conversion and quantization (SSE & SSE2) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; [TAB8] - -%include "jsimdext.inc" -%include "jdct.inc" - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 32 -; -; Load data into workspace, applying unsigned->signed conversion -; -; GLOBAL(void) -; jsimd_convsamp_float_sse2 (JSAMPARRAY sample_data, JDIMENSION start_col, -; FAST_FLOAT * workspace); -; - -%define sample_data ebp+8 ; JSAMPARRAY sample_data -%define start_col ebp+12 ; JDIMENSION start_col -%define workspace ebp+16 ; FAST_FLOAT * workspace - - align 16 - global EXTN(jsimd_convsamp_float_sse2) - -EXTN(jsimd_convsamp_float_sse2): - push ebp - mov ebp,esp - push ebx -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - pcmpeqw xmm7,xmm7 - psllw xmm7,7 - packsswb xmm7,xmm7 ; xmm7 = PB_CENTERJSAMPLE (0x808080..) - - mov esi, JSAMPARRAY [sample_data] ; (JSAMPROW *) - mov eax, JDIMENSION [start_col] - mov edi, POINTER [workspace] ; (DCTELEM *) - mov ecx, DCTSIZE/2 - alignx 16,7 -.convloop: - mov ebx, JSAMPROW [esi+0*SIZEOF_JSAMPROW] ; (JSAMPLE *) - mov edx, JSAMPROW [esi+1*SIZEOF_JSAMPROW] ; (JSAMPLE *) - - movq xmm0, XMM_MMWORD [ebx+eax*SIZEOF_JSAMPLE] - movq xmm1, XMM_MMWORD [edx+eax*SIZEOF_JSAMPLE] - - psubb xmm0,xmm7 ; xmm0=(01234567) - psubb xmm1,xmm7 ; xmm1=(89ABCDEF) - - punpcklbw xmm0,xmm0 ; xmm0=(*0*1*2*3*4*5*6*7) - punpcklbw xmm1,xmm1 ; xmm1=(*8*9*A*B*C*D*E*F) - - punpcklwd xmm2,xmm0 ; xmm2=(***0***1***2***3) - punpckhwd xmm0,xmm0 ; xmm0=(***4***5***6***7) - punpcklwd xmm3,xmm1 ; xmm3=(***8***9***A***B) - punpckhwd xmm1,xmm1 ; xmm1=(***C***D***E***F) - - psrad xmm2,(DWORD_BIT-BYTE_BIT) ; xmm2=(0123) - psrad xmm0,(DWORD_BIT-BYTE_BIT) ; xmm0=(4567) - cvtdq2ps xmm2,xmm2 ; xmm2=(0123) - cvtdq2ps xmm0,xmm0 ; xmm0=(4567) - psrad xmm3,(DWORD_BIT-BYTE_BIT) ; xmm3=(89AB) - psrad xmm1,(DWORD_BIT-BYTE_BIT) ; xmm1=(CDEF) - cvtdq2ps xmm3,xmm3 ; xmm3=(89AB) - cvtdq2ps xmm1,xmm1 ; xmm1=(CDEF) - - movaps XMMWORD [XMMBLOCK(0,0,edi,SIZEOF_FAST_FLOAT)], xmm2 - movaps XMMWORD [XMMBLOCK(0,1,edi,SIZEOF_FAST_FLOAT)], xmm0 - movaps XMMWORD [XMMBLOCK(1,0,edi,SIZEOF_FAST_FLOAT)], xmm3 - movaps XMMWORD [XMMBLOCK(1,1,edi,SIZEOF_FAST_FLOAT)], xmm1 - - add esi, byte 2*SIZEOF_JSAMPROW - add edi, byte 2*DCTSIZE*SIZEOF_FAST_FLOAT - dec ecx - jnz short .convloop - - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved - pop ebx - pop ebp - ret - - -; -------------------------------------------------------------------------- -; -; Quantize/descale the coefficients, and store into coef_block -; -; GLOBAL(void) -; jsimd_quantize_float_sse2 (JCOEFPTR coef_block, FAST_FLOAT * divisors, -; FAST_FLOAT * workspace); -; - -%define coef_block ebp+8 ; JCOEFPTR coef_block -%define divisors ebp+12 ; FAST_FLOAT * divisors -%define workspace ebp+16 ; FAST_FLOAT * workspace - - align 16 - global EXTN(jsimd_quantize_float_sse2) - -EXTN(jsimd_quantize_float_sse2): - push ebp - mov ebp,esp -; push ebx ; unused -; push ecx ; unused -; push edx ; need not be preserved - push esi - push edi - - mov esi, POINTER [workspace] - mov edx, POINTER [divisors] - mov edi, JCOEFPTR [coef_block] - mov eax, DCTSIZE2/16 - alignx 16,7 -.quantloop: - movaps xmm0, XMMWORD [XMMBLOCK(0,0,esi,SIZEOF_FAST_FLOAT)] - movaps xmm1, XMMWORD [XMMBLOCK(0,1,esi,SIZEOF_FAST_FLOAT)] - mulps xmm0, XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_FAST_FLOAT)] - mulps xmm1, XMMWORD [XMMBLOCK(0,1,edx,SIZEOF_FAST_FLOAT)] - movaps xmm2, XMMWORD [XMMBLOCK(1,0,esi,SIZEOF_FAST_FLOAT)] - movaps xmm3, XMMWORD [XMMBLOCK(1,1,esi,SIZEOF_FAST_FLOAT)] - mulps xmm2, XMMWORD [XMMBLOCK(1,0,edx,SIZEOF_FAST_FLOAT)] - mulps xmm3, XMMWORD [XMMBLOCK(1,1,edx,SIZEOF_FAST_FLOAT)] - - cvtps2dq xmm0,xmm0 - cvtps2dq xmm1,xmm1 - cvtps2dq xmm2,xmm2 - cvtps2dq xmm3,xmm3 - - packssdw xmm0,xmm1 - packssdw xmm2,xmm3 - - movdqa XMMWORD [XMMBLOCK(0,0,edi,SIZEOF_JCOEF)], xmm0 - movdqa XMMWORD [XMMBLOCK(1,0,edi,SIZEOF_JCOEF)], xmm2 - - add esi, byte 16*SIZEOF_FAST_FLOAT - add edx, byte 16*SIZEOF_FAST_FLOAT - add edi, byte 16*SIZEOF_JCOEF - dec eax - jnz short .quantloop - - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; unused -; pop ebx ; unused - pop ebp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jcqnts2i-64.asm b/common/jpeg/simd/jcqnts2i-64.asm deleted file mode 100644 index cc33d59f..00000000 --- a/common/jpeg/simd/jcqnts2i-64.asm +++ /dev/null @@ -1,187 +0,0 @@ -; -; jcqnts2i-64.asm - sample data conversion and quantization (64-bit SSE2) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; Copyright 2009 D. R. Commander -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; [TAB8] - -%include "jsimdext.inc" -%include "jdct.inc" - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 64 -; -; Load data into workspace, applying unsigned->signed conversion -; -; GLOBAL(void) -; jsimd_convsamp_sse2 (JSAMPARRAY sample_data, JDIMENSION start_col, -; DCTELEM * workspace); -; - -; r10 = JSAMPARRAY sample_data -; r11 = JDIMENSION start_col -; r12 = DCTELEM * workspace - - align 16 - global EXTN(jsimd_convsamp_sse2) - -EXTN(jsimd_convsamp_sse2): - push rbp - mov rax,rsp - mov rbp,rsp - collect_args - push rbx - - pxor xmm6,xmm6 ; xmm6=(all 0's) - pcmpeqw xmm7,xmm7 - psllw xmm7,7 ; xmm7={0xFF80 0xFF80 0xFF80 0xFF80 ..} - - mov rsi, r10 - mov rax, r11 - mov rdi, r12 - mov rcx, DCTSIZE/4 -.convloop: - mov rbx, JSAMPROW [rsi+0*SIZEOF_JSAMPROW] ; (JSAMPLE *) - mov rdx, JSAMPROW [rsi+1*SIZEOF_JSAMPROW] ; (JSAMPLE *) - - movq xmm0, XMM_MMWORD [rbx+rax*SIZEOF_JSAMPLE] ; xmm0=(01234567) - movq xmm1, XMM_MMWORD [rdx+rax*SIZEOF_JSAMPLE] ; xmm1=(89ABCDEF) - - mov rbx, JSAMPROW [rsi+2*SIZEOF_JSAMPROW] ; (JSAMPLE *) - mov rdx, JSAMPROW [rsi+3*SIZEOF_JSAMPROW] ; (JSAMPLE *) - - movq xmm2, XMM_MMWORD [rbx+rax*SIZEOF_JSAMPLE] ; xmm2=(GHIJKLMN) - movq xmm3, XMM_MMWORD [rdx+rax*SIZEOF_JSAMPLE] ; xmm3=(OPQRSTUV) - - punpcklbw xmm0,xmm6 ; xmm0=(01234567) - punpcklbw xmm1,xmm6 ; xmm1=(89ABCDEF) - paddw xmm0,xmm7 - paddw xmm1,xmm7 - punpcklbw xmm2,xmm6 ; xmm2=(GHIJKLMN) - punpcklbw xmm3,xmm6 ; xmm3=(OPQRSTUV) - paddw xmm2,xmm7 - paddw xmm3,xmm7 - - movdqa XMMWORD [XMMBLOCK(0,0,rdi,SIZEOF_DCTELEM)], xmm0 - movdqa XMMWORD [XMMBLOCK(1,0,rdi,SIZEOF_DCTELEM)], xmm1 - movdqa XMMWORD [XMMBLOCK(2,0,rdi,SIZEOF_DCTELEM)], xmm2 - movdqa XMMWORD [XMMBLOCK(3,0,rdi,SIZEOF_DCTELEM)], xmm3 - - add rsi, byte 4*SIZEOF_JSAMPROW - add rdi, byte 4*DCTSIZE*SIZEOF_DCTELEM - dec rcx - jnz short .convloop - - pop rbx - uncollect_args - pop rbp - ret - -; -------------------------------------------------------------------------- -; -; Quantize/descale the coefficients, and store into coef_block -; -; This implementation is based on an algorithm described in -; "How to optimize for the Pentium family of microprocessors" -; (http://www.agner.org/assem/). -; -; GLOBAL(void) -; jsimd_quantize_sse2 (JCOEFPTR coef_block, DCTELEM * divisors, -; DCTELEM * workspace); -; - -%define RECIPROCAL(m,n,b) XMMBLOCK(DCTSIZE*0+(m),(n),(b),SIZEOF_DCTELEM) -%define CORRECTION(m,n,b) XMMBLOCK(DCTSIZE*1+(m),(n),(b),SIZEOF_DCTELEM) -%define SCALE(m,n,b) XMMBLOCK(DCTSIZE*2+(m),(n),(b),SIZEOF_DCTELEM) - -; r10 = JCOEFPTR coef_block -; r11 = DCTELEM * divisors -; r12 = DCTELEM * workspace - - align 16 - global EXTN(jsimd_quantize_sse2) - -EXTN(jsimd_quantize_sse2): - push rbp - mov rax,rsp - mov rbp,rsp - collect_args - - mov rsi, r12 - mov rdx, r11 - mov rdi, r10 - mov rax, DCTSIZE2/32 -.quantloop: - movdqa xmm4, XMMWORD [XMMBLOCK(0,0,rsi,SIZEOF_DCTELEM)] - movdqa xmm5, XMMWORD [XMMBLOCK(1,0,rsi,SIZEOF_DCTELEM)] - movdqa xmm6, XMMWORD [XMMBLOCK(2,0,rsi,SIZEOF_DCTELEM)] - movdqa xmm7, XMMWORD [XMMBLOCK(3,0,rsi,SIZEOF_DCTELEM)] - movdqa xmm0,xmm4 - movdqa xmm1,xmm5 - movdqa xmm2,xmm6 - movdqa xmm3,xmm7 - psraw xmm4,(WORD_BIT-1) - psraw xmm5,(WORD_BIT-1) - psraw xmm6,(WORD_BIT-1) - psraw xmm7,(WORD_BIT-1) - pxor xmm0,xmm4 - pxor xmm1,xmm5 - pxor xmm2,xmm6 - pxor xmm3,xmm7 - psubw xmm0,xmm4 ; if (xmm0 < 0) xmm0 = -xmm0; - psubw xmm1,xmm5 ; if (xmm1 < 0) xmm1 = -xmm1; - psubw xmm2,xmm6 ; if (xmm2 < 0) xmm2 = -xmm2; - psubw xmm3,xmm7 ; if (xmm3 < 0) xmm3 = -xmm3; - - paddw xmm0, XMMWORD [CORRECTION(0,0,rdx)] ; correction + roundfactor - paddw xmm1, XMMWORD [CORRECTION(1,0,rdx)] - paddw xmm2, XMMWORD [CORRECTION(2,0,rdx)] - paddw xmm3, XMMWORD [CORRECTION(3,0,rdx)] - pmulhuw xmm0, XMMWORD [RECIPROCAL(0,0,rdx)] ; reciprocal - pmulhuw xmm1, XMMWORD [RECIPROCAL(1,0,rdx)] - pmulhuw xmm2, XMMWORD [RECIPROCAL(2,0,rdx)] - pmulhuw xmm3, XMMWORD [RECIPROCAL(3,0,rdx)] - pmulhuw xmm0, XMMWORD [SCALE(0,0,rdx)] ; scale - pmulhuw xmm1, XMMWORD [SCALE(1,0,rdx)] - pmulhuw xmm2, XMMWORD [SCALE(2,0,rdx)] - pmulhuw xmm3, XMMWORD [SCALE(3,0,rdx)] - - pxor xmm0,xmm4 - pxor xmm1,xmm5 - pxor xmm2,xmm6 - pxor xmm3,xmm7 - psubw xmm0,xmm4 - psubw xmm1,xmm5 - psubw xmm2,xmm6 - psubw xmm3,xmm7 - movdqa XMMWORD [XMMBLOCK(0,0,rdi,SIZEOF_DCTELEM)], xmm0 - movdqa XMMWORD [XMMBLOCK(1,0,rdi,SIZEOF_DCTELEM)], xmm1 - movdqa XMMWORD [XMMBLOCK(2,0,rdi,SIZEOF_DCTELEM)], xmm2 - movdqa XMMWORD [XMMBLOCK(3,0,rdi,SIZEOF_DCTELEM)], xmm3 - - add rsi, byte 32*SIZEOF_DCTELEM - add rdx, byte 32*SIZEOF_DCTELEM - add rdi, byte 32*SIZEOF_JCOEF - dec rax - jnz near .quantloop - - uncollect_args - pop rbp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jcqnts2i.asm b/common/jpeg/simd/jcqnts2i.asm deleted file mode 100644 index 0864d6ed..00000000 --- a/common/jpeg/simd/jcqnts2i.asm +++ /dev/null @@ -1,200 +0,0 @@ -; -; jcqnts2i.asm - sample data conversion and quantization (SSE2) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; [TAB8] - -%include "jsimdext.inc" -%include "jdct.inc" - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 32 -; -; Load data into workspace, applying unsigned->signed conversion -; -; GLOBAL(void) -; jsimd_convsamp_sse2 (JSAMPARRAY sample_data, JDIMENSION start_col, -; DCTELEM * workspace); -; - -%define sample_data ebp+8 ; JSAMPARRAY sample_data -%define start_col ebp+12 ; JDIMENSION start_col -%define workspace ebp+16 ; DCTELEM * workspace - - align 16 - global EXTN(jsimd_convsamp_sse2) - -EXTN(jsimd_convsamp_sse2): - push ebp - mov ebp,esp - push ebx -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - pxor xmm6,xmm6 ; xmm6=(all 0's) - pcmpeqw xmm7,xmm7 - psllw xmm7,7 ; xmm7={0xFF80 0xFF80 0xFF80 0xFF80 ..} - - mov esi, JSAMPARRAY [sample_data] ; (JSAMPROW *) - mov eax, JDIMENSION [start_col] - mov edi, POINTER [workspace] ; (DCTELEM *) - mov ecx, DCTSIZE/4 - alignx 16,7 -.convloop: - mov ebx, JSAMPROW [esi+0*SIZEOF_JSAMPROW] ; (JSAMPLE *) - mov edx, JSAMPROW [esi+1*SIZEOF_JSAMPROW] ; (JSAMPLE *) - - movq xmm0, XMM_MMWORD [ebx+eax*SIZEOF_JSAMPLE] ; xmm0=(01234567) - movq xmm1, XMM_MMWORD [edx+eax*SIZEOF_JSAMPLE] ; xmm1=(89ABCDEF) - - mov ebx, JSAMPROW [esi+2*SIZEOF_JSAMPROW] ; (JSAMPLE *) - mov edx, JSAMPROW [esi+3*SIZEOF_JSAMPROW] ; (JSAMPLE *) - - movq xmm2, XMM_MMWORD [ebx+eax*SIZEOF_JSAMPLE] ; xmm2=(GHIJKLMN) - movq xmm3, XMM_MMWORD [edx+eax*SIZEOF_JSAMPLE] ; xmm3=(OPQRSTUV) - - punpcklbw xmm0,xmm6 ; xmm0=(01234567) - punpcklbw xmm1,xmm6 ; xmm1=(89ABCDEF) - paddw xmm0,xmm7 - paddw xmm1,xmm7 - punpcklbw xmm2,xmm6 ; xmm2=(GHIJKLMN) - punpcklbw xmm3,xmm6 ; xmm3=(OPQRSTUV) - paddw xmm2,xmm7 - paddw xmm3,xmm7 - - movdqa XMMWORD [XMMBLOCK(0,0,edi,SIZEOF_DCTELEM)], xmm0 - movdqa XMMWORD [XMMBLOCK(1,0,edi,SIZEOF_DCTELEM)], xmm1 - movdqa XMMWORD [XMMBLOCK(2,0,edi,SIZEOF_DCTELEM)], xmm2 - movdqa XMMWORD [XMMBLOCK(3,0,edi,SIZEOF_DCTELEM)], xmm3 - - add esi, byte 4*SIZEOF_JSAMPROW - add edi, byte 4*DCTSIZE*SIZEOF_DCTELEM - dec ecx - jnz short .convloop - - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved - pop ebx - pop ebp - ret - -; -------------------------------------------------------------------------- -; -; Quantize/descale the coefficients, and store into coef_block -; -; This implementation is based on an algorithm described in -; "How to optimize for the Pentium family of microprocessors" -; (http://www.agner.org/assem/). -; -; GLOBAL(void) -; jsimd_quantize_sse2 (JCOEFPTR coef_block, DCTELEM * divisors, -; DCTELEM * workspace); -; - -%define RECIPROCAL(m,n,b) XMMBLOCK(DCTSIZE*0+(m),(n),(b),SIZEOF_DCTELEM) -%define CORRECTION(m,n,b) XMMBLOCK(DCTSIZE*1+(m),(n),(b),SIZEOF_DCTELEM) -%define SCALE(m,n,b) XMMBLOCK(DCTSIZE*2+(m),(n),(b),SIZEOF_DCTELEM) - -%define coef_block ebp+8 ; JCOEFPTR coef_block -%define divisors ebp+12 ; DCTELEM * divisors -%define workspace ebp+16 ; DCTELEM * workspace - - align 16 - global EXTN(jsimd_quantize_sse2) - -EXTN(jsimd_quantize_sse2): - push ebp - mov ebp,esp -; push ebx ; unused -; push ecx ; unused -; push edx ; need not be preserved - push esi - push edi - - mov esi, POINTER [workspace] - mov edx, POINTER [divisors] - mov edi, JCOEFPTR [coef_block] - mov eax, DCTSIZE2/32 - alignx 16,7 -.quantloop: - movdqa xmm4, XMMWORD [XMMBLOCK(0,0,esi,SIZEOF_DCTELEM)] - movdqa xmm5, XMMWORD [XMMBLOCK(1,0,esi,SIZEOF_DCTELEM)] - movdqa xmm6, XMMWORD [XMMBLOCK(2,0,esi,SIZEOF_DCTELEM)] - movdqa xmm7, XMMWORD [XMMBLOCK(3,0,esi,SIZEOF_DCTELEM)] - movdqa xmm0,xmm4 - movdqa xmm1,xmm5 - movdqa xmm2,xmm6 - movdqa xmm3,xmm7 - psraw xmm4,(WORD_BIT-1) - psraw xmm5,(WORD_BIT-1) - psraw xmm6,(WORD_BIT-1) - psraw xmm7,(WORD_BIT-1) - pxor xmm0,xmm4 - pxor xmm1,xmm5 - pxor xmm2,xmm6 - pxor xmm3,xmm7 - psubw xmm0,xmm4 ; if (xmm0 < 0) xmm0 = -xmm0; - psubw xmm1,xmm5 ; if (xmm1 < 0) xmm1 = -xmm1; - psubw xmm2,xmm6 ; if (xmm2 < 0) xmm2 = -xmm2; - psubw xmm3,xmm7 ; if (xmm3 < 0) xmm3 = -xmm3; - - paddw xmm0, XMMWORD [CORRECTION(0,0,edx)] ; correction + roundfactor - paddw xmm1, XMMWORD [CORRECTION(1,0,edx)] - paddw xmm2, XMMWORD [CORRECTION(2,0,edx)] - paddw xmm3, XMMWORD [CORRECTION(3,0,edx)] - pmulhuw xmm0, XMMWORD [RECIPROCAL(0,0,edx)] ; reciprocal - pmulhuw xmm1, XMMWORD [RECIPROCAL(1,0,edx)] - pmulhuw xmm2, XMMWORD [RECIPROCAL(2,0,edx)] - pmulhuw xmm3, XMMWORD [RECIPROCAL(3,0,edx)] - pmulhuw xmm0, XMMWORD [SCALE(0,0,edx)] ; scale - pmulhuw xmm1, XMMWORD [SCALE(1,0,edx)] - pmulhuw xmm2, XMMWORD [SCALE(2,0,edx)] - pmulhuw xmm3, XMMWORD [SCALE(3,0,edx)] - - pxor xmm0,xmm4 - pxor xmm1,xmm5 - pxor xmm2,xmm6 - pxor xmm3,xmm7 - psubw xmm0,xmm4 - psubw xmm1,xmm5 - psubw xmm2,xmm6 - psubw xmm3,xmm7 - movdqa XMMWORD [XMMBLOCK(0,0,edi,SIZEOF_DCTELEM)], xmm0 - movdqa XMMWORD [XMMBLOCK(1,0,edi,SIZEOF_DCTELEM)], xmm1 - movdqa XMMWORD [XMMBLOCK(2,0,edi,SIZEOF_DCTELEM)], xmm2 - movdqa XMMWORD [XMMBLOCK(3,0,edi,SIZEOF_DCTELEM)], xmm3 - - add esi, byte 32*SIZEOF_DCTELEM - add edx, byte 32*SIZEOF_DCTELEM - add edi, byte 32*SIZEOF_JCOEF - dec eax - jnz near .quantloop - - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; unused -; pop ebx ; unused - pop ebp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jcqntsse.asm b/common/jpeg/simd/jcqntsse.asm deleted file mode 100644 index 3065eca8..00000000 --- a/common/jpeg/simd/jcqntsse.asm +++ /dev/null @@ -1,211 +0,0 @@ -; -; jcqntsse.asm - sample data conversion and quantization (SSE & MMX) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; [TAB8] - -%include "jsimdext.inc" -%include "jdct.inc" - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 32 -; -; Load data into workspace, applying unsigned->signed conversion -; -; GLOBAL(void) -; jsimd_convsamp_float_sse (JSAMPARRAY sample_data, JDIMENSION start_col, -; FAST_FLOAT * workspace); -; - -%define sample_data ebp+8 ; JSAMPARRAY sample_data -%define start_col ebp+12 ; JDIMENSION start_col -%define workspace ebp+16 ; FAST_FLOAT * workspace - - align 16 - global EXTN(jsimd_convsamp_float_sse) - -EXTN(jsimd_convsamp_float_sse): - push ebp - mov ebp,esp - push ebx -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - pcmpeqw mm7,mm7 - psllw mm7,7 - packsswb mm7,mm7 ; mm7 = PB_CENTERJSAMPLE (0x808080..) - - mov esi, JSAMPARRAY [sample_data] ; (JSAMPROW *) - mov eax, JDIMENSION [start_col] - mov edi, POINTER [workspace] ; (DCTELEM *) - mov ecx, DCTSIZE/2 - alignx 16,7 -.convloop: - mov ebx, JSAMPROW [esi+0*SIZEOF_JSAMPROW] ; (JSAMPLE *) - mov edx, JSAMPROW [esi+1*SIZEOF_JSAMPROW] ; (JSAMPLE *) - - movq mm0, MMWORD [ebx+eax*SIZEOF_JSAMPLE] - movq mm1, MMWORD [edx+eax*SIZEOF_JSAMPLE] - - psubb mm0,mm7 ; mm0=(01234567) - psubb mm1,mm7 ; mm1=(89ABCDEF) - - punpcklbw mm2,mm0 ; mm2=(*0*1*2*3) - punpckhbw mm0,mm0 ; mm0=(*4*5*6*7) - punpcklbw mm3,mm1 ; mm3=(*8*9*A*B) - punpckhbw mm1,mm1 ; mm1=(*C*D*E*F) - - punpcklwd mm4,mm2 ; mm4=(***0***1) - punpckhwd mm2,mm2 ; mm2=(***2***3) - punpcklwd mm5,mm0 ; mm5=(***4***5) - punpckhwd mm0,mm0 ; mm0=(***6***7) - - psrad mm4,(DWORD_BIT-BYTE_BIT) ; mm4=(01) - psrad mm2,(DWORD_BIT-BYTE_BIT) ; mm2=(23) - cvtpi2ps xmm0,mm4 ; xmm0=(01**) - cvtpi2ps xmm1,mm2 ; xmm1=(23**) - psrad mm5,(DWORD_BIT-BYTE_BIT) ; mm5=(45) - psrad mm0,(DWORD_BIT-BYTE_BIT) ; mm0=(67) - cvtpi2ps xmm2,mm5 ; xmm2=(45**) - cvtpi2ps xmm3,mm0 ; xmm3=(67**) - - punpcklwd mm6,mm3 ; mm6=(***8***9) - punpckhwd mm3,mm3 ; mm3=(***A***B) - punpcklwd mm4,mm1 ; mm4=(***C***D) - punpckhwd mm1,mm1 ; mm1=(***E***F) - - psrad mm6,(DWORD_BIT-BYTE_BIT) ; mm6=(89) - psrad mm3,(DWORD_BIT-BYTE_BIT) ; mm3=(AB) - cvtpi2ps xmm4,mm6 ; xmm4=(89**) - cvtpi2ps xmm5,mm3 ; xmm5=(AB**) - psrad mm4,(DWORD_BIT-BYTE_BIT) ; mm4=(CD) - psrad mm1,(DWORD_BIT-BYTE_BIT) ; mm1=(EF) - cvtpi2ps xmm6,mm4 ; xmm6=(CD**) - cvtpi2ps xmm7,mm1 ; xmm7=(EF**) - - movlhps xmm0,xmm1 ; xmm0=(0123) - movlhps xmm2,xmm3 ; xmm2=(4567) - movlhps xmm4,xmm5 ; xmm4=(89AB) - movlhps xmm6,xmm7 ; xmm6=(CDEF) - - movaps XMMWORD [XMMBLOCK(0,0,edi,SIZEOF_FAST_FLOAT)], xmm0 - movaps XMMWORD [XMMBLOCK(0,1,edi,SIZEOF_FAST_FLOAT)], xmm2 - movaps XMMWORD [XMMBLOCK(1,0,edi,SIZEOF_FAST_FLOAT)], xmm4 - movaps XMMWORD [XMMBLOCK(1,1,edi,SIZEOF_FAST_FLOAT)], xmm6 - - add esi, byte 2*SIZEOF_JSAMPROW - add edi, byte 2*DCTSIZE*SIZEOF_FAST_FLOAT - dec ecx - jnz near .convloop - - emms ; empty MMX state - - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved - pop ebx - pop ebp - ret - - -; -------------------------------------------------------------------------- -; -; Quantize/descale the coefficients, and store into coef_block -; -; GLOBAL(void) -; jsimd_quantize_float_sse (JCOEFPTR coef_block, FAST_FLOAT * divisors, -; FAST_FLOAT * workspace); -; - -%define coef_block ebp+8 ; JCOEFPTR coef_block -%define divisors ebp+12 ; FAST_FLOAT * divisors -%define workspace ebp+16 ; FAST_FLOAT * workspace - - align 16 - global EXTN(jsimd_quantize_float_sse) - -EXTN(jsimd_quantize_float_sse): - push ebp - mov ebp,esp -; push ebx ; unused -; push ecx ; unused -; push edx ; need not be preserved - push esi - push edi - - mov esi, POINTER [workspace] - mov edx, POINTER [divisors] - mov edi, JCOEFPTR [coef_block] - mov eax, DCTSIZE2/16 - alignx 16,7 -.quantloop: - movaps xmm0, XMMWORD [XMMBLOCK(0,0,esi,SIZEOF_FAST_FLOAT)] - movaps xmm1, XMMWORD [XMMBLOCK(0,1,esi,SIZEOF_FAST_FLOAT)] - mulps xmm0, XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_FAST_FLOAT)] - mulps xmm1, XMMWORD [XMMBLOCK(0,1,edx,SIZEOF_FAST_FLOAT)] - movaps xmm2, XMMWORD [XMMBLOCK(1,0,esi,SIZEOF_FAST_FLOAT)] - movaps xmm3, XMMWORD [XMMBLOCK(1,1,esi,SIZEOF_FAST_FLOAT)] - mulps xmm2, XMMWORD [XMMBLOCK(1,0,edx,SIZEOF_FAST_FLOAT)] - mulps xmm3, XMMWORD [XMMBLOCK(1,1,edx,SIZEOF_FAST_FLOAT)] - - movhlps xmm4,xmm0 - movhlps xmm5,xmm1 - - cvtps2pi mm0,xmm0 - cvtps2pi mm1,xmm1 - cvtps2pi mm4,xmm4 - cvtps2pi mm5,xmm5 - - movhlps xmm6,xmm2 - movhlps xmm7,xmm3 - - cvtps2pi mm2,xmm2 - cvtps2pi mm3,xmm3 - cvtps2pi mm6,xmm6 - cvtps2pi mm7,xmm7 - - packssdw mm0,mm4 - packssdw mm1,mm5 - packssdw mm2,mm6 - packssdw mm3,mm7 - - movq MMWORD [MMBLOCK(0,0,edi,SIZEOF_JCOEF)], mm0 - movq MMWORD [MMBLOCK(0,1,edi,SIZEOF_JCOEF)], mm1 - movq MMWORD [MMBLOCK(1,0,edi,SIZEOF_JCOEF)], mm2 - movq MMWORD [MMBLOCK(1,1,edi,SIZEOF_JCOEF)], mm3 - - add esi, byte 16*SIZEOF_FAST_FLOAT - add edx, byte 16*SIZEOF_FAST_FLOAT - add edi, byte 16*SIZEOF_JCOEF - dec eax - jnz short .quantloop - - emms ; empty MMX state - - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; unused -; pop ebx ; unused - pop ebp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jcsammmx.asm b/common/jpeg/simd/jcsammmx.asm deleted file mode 100644 index 9e43b2f8..00000000 --- a/common/jpeg/simd/jcsammmx.asm +++ /dev/null @@ -1,324 +0,0 @@ -; -; jcsammmx.asm - downsampling (MMX) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; [TAB8] - -%include "jsimdext.inc" - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 32 -; -; Downsample pixel values of a single component. -; This version handles the common case of 2:1 horizontal and 1:1 vertical, -; without smoothing. -; -; GLOBAL(void) -; jsimd_h2v1_downsample_mmx (JDIMENSION image_width, int max_v_samp_factor, -; JDIMENSION v_samp_factor, JDIMENSION width_blocks, -; JSAMPARRAY input_data, JSAMPARRAY output_data); -; - -%define img_width(b) (b)+8 ; JDIMENSION image_width -%define max_v_samp(b) (b)+12 ; int max_v_samp_factor -%define v_samp(b) (b)+16 ; JDIMENSION v_samp_factor -%define width_blks(b) (b)+20 ; JDIMENSION width_blocks -%define input_data(b) (b)+24 ; JSAMPARRAY input_data -%define output_data(b) (b)+28 ; JSAMPARRAY output_data - - align 16 - global EXTN(jsimd_h2v1_downsample_mmx) - -EXTN(jsimd_h2v1_downsample_mmx): - push ebp - mov ebp,esp -; push ebx ; unused -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - mov ecx, JDIMENSION [width_blks(ebp)] - shl ecx,3 ; imul ecx,DCTSIZE (ecx = output_cols) - jz near .return - - mov edx, JDIMENSION [img_width(ebp)] - - ; -- expand_right_edge - - push ecx - shl ecx,1 ; output_cols * 2 - sub ecx,edx - jle short .expand_end - - mov eax, INT [max_v_samp(ebp)] - test eax,eax - jle short .expand_end - - cld - mov esi, JSAMPARRAY [input_data(ebp)] ; input_data - alignx 16,7 -.expandloop: - push eax - push ecx - - mov edi, JSAMPROW [esi] - add edi,edx - mov al, JSAMPLE [edi-1] - - rep stosb - - pop ecx - pop eax - - add esi, byte SIZEOF_JSAMPROW - dec eax - jg short .expandloop - -.expand_end: - pop ecx ; output_cols - - ; -- h2v1_downsample - - mov eax, JDIMENSION [v_samp(ebp)] ; rowctr - test eax,eax - jle near .return - - mov edx, 0x00010000 ; bias pattern - movd mm7,edx - pcmpeqw mm6,mm6 - punpckldq mm7,mm7 ; mm7={0, 1, 0, 1} - psrlw mm6,BYTE_BIT ; mm6={0xFF 0x00 0xFF 0x00 ..} - - mov esi, JSAMPARRAY [input_data(ebp)] ; input_data - mov edi, JSAMPARRAY [output_data(ebp)] ; output_data - alignx 16,7 -.rowloop: - push ecx - push edi - push esi - - mov esi, JSAMPROW [esi] ; inptr - mov edi, JSAMPROW [edi] ; outptr - alignx 16,7 -.columnloop: - - movq mm0, MMWORD [esi+0*SIZEOF_MMWORD] - movq mm1, MMWORD [esi+1*SIZEOF_MMWORD] - movq mm2,mm0 - movq mm3,mm1 - - pand mm0,mm6 - psrlw mm2,BYTE_BIT - pand mm1,mm6 - psrlw mm3,BYTE_BIT - - paddw mm0,mm2 - paddw mm1,mm3 - paddw mm0,mm7 - paddw mm1,mm7 - psrlw mm0,1 - psrlw mm1,1 - - packuswb mm0,mm1 - - movq MMWORD [edi+0*SIZEOF_MMWORD], mm0 - - add esi, byte 2*SIZEOF_MMWORD ; inptr - add edi, byte 1*SIZEOF_MMWORD ; outptr - sub ecx, byte SIZEOF_MMWORD ; outcol - jnz short .columnloop - - pop esi - pop edi - pop ecx - - add esi, byte SIZEOF_JSAMPROW ; input_data - add edi, byte SIZEOF_JSAMPROW ; output_data - dec eax ; rowctr - jg short .rowloop - - emms ; empty MMX state - -.return: - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved -; pop ebx ; unused - pop ebp - ret - -; -------------------------------------------------------------------------- -; -; Downsample pixel values of a single component. -; This version handles the standard case of 2:1 horizontal and 2:1 vertical, -; without smoothing. -; -; GLOBAL(void) -; jsimd_h2v2_downsample_mmx (JDIMENSION image_width, int max_v_samp_factor, -; JDIMENSION v_samp_factor, JDIMENSION width_blocks, -; JSAMPARRAY input_data, JSAMPARRAY output_data); -; - -%define img_width(b) (b)+8 ; JDIMENSION image_width -%define max_v_samp(b) (b)+12 ; int max_v_samp_factor -%define v_samp(b) (b)+16 ; JDIMENSION v_samp_factor -%define width_blks(b) (b)+20 ; JDIMENSION width_blocks -%define input_data(b) (b)+24 ; JSAMPARRAY input_data -%define output_data(b) (b)+28 ; JSAMPARRAY output_data - - align 16 - global EXTN(jsimd_h2v2_downsample_mmx) - -EXTN(jsimd_h2v2_downsample_mmx): - push ebp - mov ebp,esp -; push ebx ; unused -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - mov ecx, JDIMENSION [width_blks(ebp)] - shl ecx,3 ; imul ecx,DCTSIZE (ecx = output_cols) - jz near .return - - mov edx, JDIMENSION [img_width(ebp)] - - ; -- expand_right_edge - - push ecx - shl ecx,1 ; output_cols * 2 - sub ecx,edx - jle short .expand_end - - mov eax, INT [max_v_samp(ebp)] - test eax,eax - jle short .expand_end - - cld - mov esi, JSAMPARRAY [input_data(ebp)] ; input_data - alignx 16,7 -.expandloop: - push eax - push ecx - - mov edi, JSAMPROW [esi] - add edi,edx - mov al, JSAMPLE [edi-1] - - rep stosb - - pop ecx - pop eax - - add esi, byte SIZEOF_JSAMPROW - dec eax - jg short .expandloop - -.expand_end: - pop ecx ; output_cols - - ; -- h2v2_downsample - - mov eax, JDIMENSION [v_samp(ebp)] ; rowctr - test eax,eax - jle near .return - - mov edx, 0x00020001 ; bias pattern - movd mm7,edx - pcmpeqw mm6,mm6 - punpckldq mm7,mm7 ; mm7={1, 2, 1, 2} - psrlw mm6,BYTE_BIT ; mm6={0xFF 0x00 0xFF 0x00 ..} - - mov esi, JSAMPARRAY [input_data(ebp)] ; input_data - mov edi, JSAMPARRAY [output_data(ebp)] ; output_data - alignx 16,7 -.rowloop: - push ecx - push edi - push esi - - mov edx, JSAMPROW [esi+0*SIZEOF_JSAMPROW] ; inptr0 - mov esi, JSAMPROW [esi+1*SIZEOF_JSAMPROW] ; inptr1 - mov edi, JSAMPROW [edi] ; outptr - alignx 16,7 -.columnloop: - - movq mm0, MMWORD [edx+0*SIZEOF_MMWORD] - movq mm1, MMWORD [esi+0*SIZEOF_MMWORD] - movq mm2, MMWORD [edx+1*SIZEOF_MMWORD] - movq mm3, MMWORD [esi+1*SIZEOF_MMWORD] - - movq mm4,mm0 - movq mm5,mm1 - pand mm0,mm6 - psrlw mm4,BYTE_BIT - pand mm1,mm6 - psrlw mm5,BYTE_BIT - paddw mm0,mm4 - paddw mm1,mm5 - - movq mm4,mm2 - movq mm5,mm3 - pand mm2,mm6 - psrlw mm4,BYTE_BIT - pand mm3,mm6 - psrlw mm5,BYTE_BIT - paddw mm2,mm4 - paddw mm3,mm5 - - paddw mm0,mm1 - paddw mm2,mm3 - paddw mm0,mm7 - paddw mm2,mm7 - psrlw mm0,2 - psrlw mm2,2 - - packuswb mm0,mm2 - - movq MMWORD [edi+0*SIZEOF_MMWORD], mm0 - - add edx, byte 2*SIZEOF_MMWORD ; inptr0 - add esi, byte 2*SIZEOF_MMWORD ; inptr1 - add edi, byte 1*SIZEOF_MMWORD ; outptr - sub ecx, byte SIZEOF_MMWORD ; outcol - jnz near .columnloop - - pop esi - pop edi - pop ecx - - add esi, byte 2*SIZEOF_JSAMPROW ; input_data - add edi, byte 1*SIZEOF_JSAMPROW ; output_data - dec eax ; rowctr - jg near .rowloop - - emms ; empty MMX state - -.return: - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved -; pop ebx ; unused - pop ebp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jcsamss2-64.asm b/common/jpeg/simd/jcsamss2-64.asm deleted file mode 100644 index 6a16dc5f..00000000 --- a/common/jpeg/simd/jcsamss2-64.asm +++ /dev/null @@ -1,330 +0,0 @@ -; -; jcsamss2-64.asm - downsampling (64-bit SSE2) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; Copyright 2009 D. R. Commander -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; [TAB8] - -%include "jsimdext.inc" - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 64 -; -; Downsample pixel values of a single component. -; This version handles the common case of 2:1 horizontal and 1:1 vertical, -; without smoothing. -; -; GLOBAL(void) -; jsimd_h2v1_downsample_sse2 (JDIMENSION image_width, int max_v_samp_factor, -; JDIMENSION v_samp_factor, JDIMENSION width_blocks, -; JSAMPARRAY input_data, JSAMPARRAY output_data); -; - -; r10 = JDIMENSION image_width -; r11 = int max_v_samp_factor -; r12 = JDIMENSION v_samp_factor -; r13 = JDIMENSION width_blocks -; r14 = JSAMPARRAY input_data -; r15 = JSAMPARRAY output_data - - align 16 - global EXTN(jsimd_h2v1_downsample_sse2) - -EXTN(jsimd_h2v1_downsample_sse2): - push rbp - mov rax,rsp - mov rbp,rsp - collect_args - - mov rcx, r13 - shl rcx,3 ; imul rcx,DCTSIZE (rcx = output_cols) - jz near .return - - mov rdx, r10 - - ; -- expand_right_edge - - push rcx - shl rcx,1 ; output_cols * 2 - sub rcx,rdx - jle short .expand_end - - mov rax, r11 - test rax,rax - jle short .expand_end - - cld - mov rsi, r14 ; input_data -.expandloop: - push rax - push rcx - - mov rdi, JSAMPROW [rsi] - add rdi,rdx - mov al, JSAMPLE [rdi-1] - - rep stosb - - pop rcx - pop rax - - add rsi, byte SIZEOF_JSAMPROW - dec rax - jg short .expandloop - -.expand_end: - pop rcx ; output_cols - - ; -- h2v1_downsample - - mov rax, r12 ; rowctr - test eax,eax - jle near .return - - mov rdx, 0x00010000 ; bias pattern - movd xmm7,edx - pcmpeqw xmm6,xmm6 - pshufd xmm7,xmm7,0x00 ; xmm7={0, 1, 0, 1, 0, 1, 0, 1} - psrlw xmm6,BYTE_BIT ; xmm6={0xFF 0x00 0xFF 0x00 ..} - - mov rsi, r14 ; input_data - mov rdi, r15 ; output_data -.rowloop: - push rcx - push rdi - push rsi - - mov rsi, JSAMPROW [rsi] ; inptr - mov rdi, JSAMPROW [rdi] ; outptr - - cmp rcx, byte SIZEOF_XMMWORD - jae short .columnloop - -.columnloop_r8: - movdqa xmm0, XMMWORD [rsi+0*SIZEOF_XMMWORD] - pxor xmm1,xmm1 - mov rcx, SIZEOF_XMMWORD - jmp short .downsample - -.columnloop: - movdqa xmm0, XMMWORD [rsi+0*SIZEOF_XMMWORD] - movdqa xmm1, XMMWORD [rsi+1*SIZEOF_XMMWORD] - -.downsample: - movdqa xmm2,xmm0 - movdqa xmm3,xmm1 - - pand xmm0,xmm6 - psrlw xmm2,BYTE_BIT - pand xmm1,xmm6 - psrlw xmm3,BYTE_BIT - - paddw xmm0,xmm2 - paddw xmm1,xmm3 - paddw xmm0,xmm7 - paddw xmm1,xmm7 - psrlw xmm0,1 - psrlw xmm1,1 - - packuswb xmm0,xmm1 - - movdqa XMMWORD [rdi+0*SIZEOF_XMMWORD], xmm0 - - sub rcx, byte SIZEOF_XMMWORD ; outcol - add rsi, byte 2*SIZEOF_XMMWORD ; inptr - add rdi, byte 1*SIZEOF_XMMWORD ; outptr - cmp rcx, byte SIZEOF_XMMWORD - jae short .columnloop - test rcx,rcx - jnz short .columnloop_r8 - - pop rsi - pop rdi - pop rcx - - add rsi, byte SIZEOF_JSAMPROW ; input_data - add rdi, byte SIZEOF_JSAMPROW ; output_data - dec rax ; rowctr - jg near .rowloop - -.return: - uncollect_args - pop rbp - ret - -; -------------------------------------------------------------------------- -; -; Downsample pixel values of a single component. -; This version handles the standard case of 2:1 horizontal and 2:1 vertical, -; without smoothing. -; -; GLOBAL(void) -; jsimd_h2v2_downsample_sse2 (JDIMENSION image_width, int max_v_samp_factor, -; JDIMENSION v_samp_factor, JDIMENSION width_blocks, -; JSAMPARRAY input_data, JSAMPARRAY output_data); -; - -; r10 = JDIMENSION image_width -; r11 = int max_v_samp_factor -; r12 = JDIMENSION v_samp_factor -; r13 = JDIMENSION width_blocks -; r14 = JSAMPARRAY input_data -; r15 = JSAMPARRAY output_data - - align 16 - global EXTN(jsimd_h2v2_downsample_sse2) - -EXTN(jsimd_h2v2_downsample_sse2): - push rbp - mov rax,rsp - mov rbp,rsp - collect_args - - mov rcx, r13 - shl rcx,3 ; imul rcx,DCTSIZE (rcx = output_cols) - jz near .return - - mov rdx, r10 - - ; -- expand_right_edge - - push rcx - shl rcx,1 ; output_cols * 2 - sub rcx,rdx - jle short .expand_end - - mov rax, r11 - test rax,rax - jle short .expand_end - - cld - mov rsi, r14 ; input_data -.expandloop: - push rax - push rcx - - mov rdi, JSAMPROW [rsi] - add rdi,rdx - mov al, JSAMPLE [rdi-1] - - rep stosb - - pop rcx - pop rax - - add rsi, byte SIZEOF_JSAMPROW - dec rax - jg short .expandloop - -.expand_end: - pop rcx ; output_cols - - ; -- h2v2_downsample - - mov rax, r12 ; rowctr - test rax,rax - jle near .return - - mov rdx, 0x00020001 ; bias pattern - movd xmm7,edx - pcmpeqw xmm6,xmm6 - pshufd xmm7,xmm7,0x00 ; xmm7={1, 2, 1, 2, 1, 2, 1, 2} - psrlw xmm6,BYTE_BIT ; xmm6={0xFF 0x00 0xFF 0x00 ..} - - mov rsi, r14 ; input_data - mov rdi, r15 ; output_data -.rowloop: - push rcx - push rdi - push rsi - - mov rdx, JSAMPROW [rsi+0*SIZEOF_JSAMPROW] ; inptr0 - mov rsi, JSAMPROW [rsi+1*SIZEOF_JSAMPROW] ; inptr1 - mov rdi, JSAMPROW [rdi] ; outptr - - cmp rcx, byte SIZEOF_XMMWORD - jae short .columnloop - -.columnloop_r8: - movdqa xmm0, XMMWORD [rdx+0*SIZEOF_XMMWORD] - movdqa xmm1, XMMWORD [rsi+0*SIZEOF_XMMWORD] - pxor xmm2,xmm2 - pxor xmm3,xmm3 - mov rcx, SIZEOF_XMMWORD - jmp short .downsample - -.columnloop: - movdqa xmm0, XMMWORD [rdx+0*SIZEOF_XMMWORD] - movdqa xmm1, XMMWORD [rsi+0*SIZEOF_XMMWORD] - movdqa xmm2, XMMWORD [rdx+1*SIZEOF_XMMWORD] - movdqa xmm3, XMMWORD [rsi+1*SIZEOF_XMMWORD] - -.downsample: - movdqa xmm4,xmm0 - movdqa xmm5,xmm1 - pand xmm0,xmm6 - psrlw xmm4,BYTE_BIT - pand xmm1,xmm6 - psrlw xmm5,BYTE_BIT - paddw xmm0,xmm4 - paddw xmm1,xmm5 - - movdqa xmm4,xmm2 - movdqa xmm5,xmm3 - pand xmm2,xmm6 - psrlw xmm4,BYTE_BIT - pand xmm3,xmm6 - psrlw xmm5,BYTE_BIT - paddw xmm2,xmm4 - paddw xmm3,xmm5 - - paddw xmm0,xmm1 - paddw xmm2,xmm3 - paddw xmm0,xmm7 - paddw xmm2,xmm7 - psrlw xmm0,2 - psrlw xmm2,2 - - packuswb xmm0,xmm2 - - movdqa XMMWORD [rdi+0*SIZEOF_XMMWORD], xmm0 - - sub rcx, byte SIZEOF_XMMWORD ; outcol - add rdx, byte 2*SIZEOF_XMMWORD ; inptr0 - add rsi, byte 2*SIZEOF_XMMWORD ; inptr1 - add rdi, byte 1*SIZEOF_XMMWORD ; outptr - cmp rcx, byte SIZEOF_XMMWORD - jae near .columnloop - test rcx,rcx - jnz near .columnloop_r8 - - pop rsi - pop rdi - pop rcx - - add rsi, byte 2*SIZEOF_JSAMPROW ; input_data - add rdi, byte 1*SIZEOF_JSAMPROW ; output_data - dec rax ; rowctr - jg near .rowloop - -.return: - uncollect_args - pop rbp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jcsamss2.asm b/common/jpeg/simd/jcsamss2.asm deleted file mode 100644 index 818e911d..00000000 --- a/common/jpeg/simd/jcsamss2.asm +++ /dev/null @@ -1,351 +0,0 @@ -; -; jcsamss2.asm - downsampling (SSE2) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; [TAB8] - -%include "jsimdext.inc" - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 32 -; -; Downsample pixel values of a single component. -; This version handles the common case of 2:1 horizontal and 1:1 vertical, -; without smoothing. -; -; GLOBAL(void) -; jsimd_h2v1_downsample_sse2 (JDIMENSION image_width, int max_v_samp_factor, -; JDIMENSION v_samp_factor, JDIMENSION width_blocks, -; JSAMPARRAY input_data, JSAMPARRAY output_data); -; - -%define img_width(b) (b)+8 ; JDIMENSION image_width -%define max_v_samp(b) (b)+12 ; int max_v_samp_factor -%define v_samp(b) (b)+16 ; JDIMENSION v_samp_factor -%define width_blks(b) (b)+20 ; JDIMENSION width_blocks -%define input_data(b) (b)+24 ; JSAMPARRAY input_data -%define output_data(b) (b)+28 ; JSAMPARRAY output_data - - align 16 - global EXTN(jsimd_h2v1_downsample_sse2) - -EXTN(jsimd_h2v1_downsample_sse2): - push ebp - mov ebp,esp -; push ebx ; unused -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - mov ecx, JDIMENSION [width_blks(ebp)] - shl ecx,3 ; imul ecx,DCTSIZE (ecx = output_cols) - jz near .return - - mov edx, JDIMENSION [img_width(ebp)] - - ; -- expand_right_edge - - push ecx - shl ecx,1 ; output_cols * 2 - sub ecx,edx - jle short .expand_end - - mov eax, INT [max_v_samp(ebp)] - test eax,eax - jle short .expand_end - - cld - mov esi, JSAMPARRAY [input_data(ebp)] ; input_data - alignx 16,7 -.expandloop: - push eax - push ecx - - mov edi, JSAMPROW [esi] - add edi,edx - mov al, JSAMPLE [edi-1] - - rep stosb - - pop ecx - pop eax - - add esi, byte SIZEOF_JSAMPROW - dec eax - jg short .expandloop - -.expand_end: - pop ecx ; output_cols - - ; -- h2v1_downsample - - mov eax, JDIMENSION [v_samp(ebp)] ; rowctr - test eax,eax - jle near .return - - mov edx, 0x00010000 ; bias pattern - movd xmm7,edx - pcmpeqw xmm6,xmm6 - pshufd xmm7,xmm7,0x00 ; xmm7={0, 1, 0, 1, 0, 1, 0, 1} - psrlw xmm6,BYTE_BIT ; xmm6={0xFF 0x00 0xFF 0x00 ..} - - mov esi, JSAMPARRAY [input_data(ebp)] ; input_data - mov edi, JSAMPARRAY [output_data(ebp)] ; output_data - alignx 16,7 -.rowloop: - push ecx - push edi - push esi - - mov esi, JSAMPROW [esi] ; inptr - mov edi, JSAMPROW [edi] ; outptr - - cmp ecx, byte SIZEOF_XMMWORD - jae short .columnloop - alignx 16,7 - -.columnloop_r8: - movdqa xmm0, XMMWORD [esi+0*SIZEOF_XMMWORD] - pxor xmm1,xmm1 - mov ecx, SIZEOF_XMMWORD - jmp short .downsample - alignx 16,7 - -.columnloop: - movdqa xmm0, XMMWORD [esi+0*SIZEOF_XMMWORD] - movdqa xmm1, XMMWORD [esi+1*SIZEOF_XMMWORD] - -.downsample: - movdqa xmm2,xmm0 - movdqa xmm3,xmm1 - - pand xmm0,xmm6 - psrlw xmm2,BYTE_BIT - pand xmm1,xmm6 - psrlw xmm3,BYTE_BIT - - paddw xmm0,xmm2 - paddw xmm1,xmm3 - paddw xmm0,xmm7 - paddw xmm1,xmm7 - psrlw xmm0,1 - psrlw xmm1,1 - - packuswb xmm0,xmm1 - - movdqa XMMWORD [edi+0*SIZEOF_XMMWORD], xmm0 - - sub ecx, byte SIZEOF_XMMWORD ; outcol - add esi, byte 2*SIZEOF_XMMWORD ; inptr - add edi, byte 1*SIZEOF_XMMWORD ; outptr - cmp ecx, byte SIZEOF_XMMWORD - jae short .columnloop - test ecx,ecx - jnz short .columnloop_r8 - - pop esi - pop edi - pop ecx - - add esi, byte SIZEOF_JSAMPROW ; input_data - add edi, byte SIZEOF_JSAMPROW ; output_data - dec eax ; rowctr - jg near .rowloop - -.return: - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved -; pop ebx ; unused - pop ebp - ret - -; -------------------------------------------------------------------------- -; -; Downsample pixel values of a single component. -; This version handles the standard case of 2:1 horizontal and 2:1 vertical, -; without smoothing. -; -; GLOBAL(void) -; jsimd_h2v2_downsample_sse2 (JDIMENSION image_width, int max_v_samp_factor, -; JDIMENSION v_samp_factor, JDIMENSION width_blocks, -; JSAMPARRAY input_data, JSAMPARRAY output_data); -; - -%define img_width(b) (b)+8 ; JDIMENSION image_width -%define max_v_samp(b) (b)+12 ; int max_v_samp_factor -%define v_samp(b) (b)+16 ; JDIMENSION v_samp_factor -%define width_blks(b) (b)+20 ; JDIMENSION width_blocks -%define input_data(b) (b)+24 ; JSAMPARRAY input_data -%define output_data(b) (b)+28 ; JSAMPARRAY output_data - - align 16 - global EXTN(jsimd_h2v2_downsample_sse2) - -EXTN(jsimd_h2v2_downsample_sse2): - push ebp - mov ebp,esp -; push ebx ; unused -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - mov ecx, JDIMENSION [width_blks(ebp)] - shl ecx,3 ; imul ecx,DCTSIZE (ecx = output_cols) - jz near .return - - mov edx, JDIMENSION [img_width(ebp)] - - ; -- expand_right_edge - - push ecx - shl ecx,1 ; output_cols * 2 - sub ecx,edx - jle short .expand_end - - mov eax, INT [max_v_samp(ebp)] - test eax,eax - jle short .expand_end - - cld - mov esi, JSAMPARRAY [input_data(ebp)] ; input_data - alignx 16,7 -.expandloop: - push eax - push ecx - - mov edi, JSAMPROW [esi] - add edi,edx - mov al, JSAMPLE [edi-1] - - rep stosb - - pop ecx - pop eax - - add esi, byte SIZEOF_JSAMPROW - dec eax - jg short .expandloop - -.expand_end: - pop ecx ; output_cols - - ; -- h2v2_downsample - - mov eax, JDIMENSION [v_samp(ebp)] ; rowctr - test eax,eax - jle near .return - - mov edx, 0x00020001 ; bias pattern - movd xmm7,edx - pcmpeqw xmm6,xmm6 - pshufd xmm7,xmm7,0x00 ; xmm7={1, 2, 1, 2, 1, 2, 1, 2} - psrlw xmm6,BYTE_BIT ; xmm6={0xFF 0x00 0xFF 0x00 ..} - - mov esi, JSAMPARRAY [input_data(ebp)] ; input_data - mov edi, JSAMPARRAY [output_data(ebp)] ; output_data - alignx 16,7 -.rowloop: - push ecx - push edi - push esi - - mov edx, JSAMPROW [esi+0*SIZEOF_JSAMPROW] ; inptr0 - mov esi, JSAMPROW [esi+1*SIZEOF_JSAMPROW] ; inptr1 - mov edi, JSAMPROW [edi] ; outptr - - cmp ecx, byte SIZEOF_XMMWORD - jae short .columnloop - alignx 16,7 - -.columnloop_r8: - movdqa xmm0, XMMWORD [edx+0*SIZEOF_XMMWORD] - movdqa xmm1, XMMWORD [esi+0*SIZEOF_XMMWORD] - pxor xmm2,xmm2 - pxor xmm3,xmm3 - mov ecx, SIZEOF_XMMWORD - jmp short .downsample - alignx 16,7 - -.columnloop: - movdqa xmm0, XMMWORD [edx+0*SIZEOF_XMMWORD] - movdqa xmm1, XMMWORD [esi+0*SIZEOF_XMMWORD] - movdqa xmm2, XMMWORD [edx+1*SIZEOF_XMMWORD] - movdqa xmm3, XMMWORD [esi+1*SIZEOF_XMMWORD] - -.downsample: - movdqa xmm4,xmm0 - movdqa xmm5,xmm1 - pand xmm0,xmm6 - psrlw xmm4,BYTE_BIT - pand xmm1,xmm6 - psrlw xmm5,BYTE_BIT - paddw xmm0,xmm4 - paddw xmm1,xmm5 - - movdqa xmm4,xmm2 - movdqa xmm5,xmm3 - pand xmm2,xmm6 - psrlw xmm4,BYTE_BIT - pand xmm3,xmm6 - psrlw xmm5,BYTE_BIT - paddw xmm2,xmm4 - paddw xmm3,xmm5 - - paddw xmm0,xmm1 - paddw xmm2,xmm3 - paddw xmm0,xmm7 - paddw xmm2,xmm7 - psrlw xmm0,2 - psrlw xmm2,2 - - packuswb xmm0,xmm2 - - movdqa XMMWORD [edi+0*SIZEOF_XMMWORD], xmm0 - - sub ecx, byte SIZEOF_XMMWORD ; outcol - add edx, byte 2*SIZEOF_XMMWORD ; inptr0 - add esi, byte 2*SIZEOF_XMMWORD ; inptr1 - add edi, byte 1*SIZEOF_XMMWORD ; outptr - cmp ecx, byte SIZEOF_XMMWORD - jae near .columnloop - test ecx,ecx - jnz near .columnloop_r8 - - pop esi - pop edi - pop ecx - - add esi, byte 2*SIZEOF_JSAMPROW ; input_data - add edi, byte 1*SIZEOF_JSAMPROW ; output_data - dec eax ; rowctr - jg near .rowloop - -.return: - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved -; pop ebx ; unused - pop ebp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jdclrmmx.asm b/common/jpeg/simd/jdclrmmx.asm deleted file mode 100644 index 79772e0c..00000000 --- a/common/jpeg/simd/jdclrmmx.asm +++ /dev/null @@ -1,407 +0,0 @@ -; -; jdclrmmx.asm - colorspace conversion (MMX) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; [TAB8] - -%include "jcolsamp.inc" - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 32 -; -; Convert some rows of samples to the output colorspace. -; -; GLOBAL(void) -; jsimd_ycc_rgb_convert_mmx (JDIMENSION out_width, -; JSAMPIMAGE input_buf, JDIMENSION input_row, -; JSAMPARRAY output_buf, int num_rows) -; - -%define out_width(b) (b)+8 ; JDIMENSION out_width -%define input_buf(b) (b)+12 ; JSAMPIMAGE input_buf -%define input_row(b) (b)+16 ; JDIMENSION input_row -%define output_buf(b) (b)+20 ; JSAMPARRAY output_buf -%define num_rows(b) (b)+24 ; int num_rows - -%define original_ebp ebp+0 -%define wk(i) ebp-(WK_NUM-(i))*SIZEOF_MMWORD ; mmword wk[WK_NUM] -%define WK_NUM 2 -%define gotptr wk(0)-SIZEOF_POINTER ; void * gotptr - - align 16 - global EXTN(jsimd_ycc_rgb_convert_mmx) - -EXTN(jsimd_ycc_rgb_convert_mmx): - push ebp - mov eax,esp ; eax = original ebp - sub esp, byte 4 - and esp, byte (-SIZEOF_MMWORD) ; align to 64 bits - mov [esp],eax - mov ebp,esp ; ebp = aligned ebp - lea esp, [wk(0)] - pushpic eax ; make a room for GOT address - push ebx -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - get_GOT ebx ; get GOT address - movpic POINTER [gotptr], ebx ; save GOT address - - mov ecx, JDIMENSION [out_width(eax)] ; num_cols - test ecx,ecx - jz near .return - - push ecx - - mov edi, JSAMPIMAGE [input_buf(eax)] - mov ecx, JDIMENSION [input_row(eax)] - mov esi, JSAMPARRAY [edi+0*SIZEOF_JSAMPARRAY] - mov ebx, JSAMPARRAY [edi+1*SIZEOF_JSAMPARRAY] - mov edx, JSAMPARRAY [edi+2*SIZEOF_JSAMPARRAY] - lea esi, [esi+ecx*SIZEOF_JSAMPROW] - lea ebx, [ebx+ecx*SIZEOF_JSAMPROW] - lea edx, [edx+ecx*SIZEOF_JSAMPROW] - - pop ecx - - mov edi, JSAMPARRAY [output_buf(eax)] - mov eax, INT [num_rows(eax)] - test eax,eax - jle near .return - alignx 16,7 -.rowloop: - push eax - push edi - push edx - push ebx - push esi - push ecx ; col - - mov esi, JSAMPROW [esi] ; inptr0 - mov ebx, JSAMPROW [ebx] ; inptr1 - mov edx, JSAMPROW [edx] ; inptr2 - mov edi, JSAMPROW [edi] ; outptr - movpic eax, POINTER [gotptr] ; load GOT address (eax) - alignx 16,7 -.columnloop: - - movq mm5, MMWORD [ebx] ; mm5=Cb(01234567) - movq mm1, MMWORD [edx] ; mm1=Cr(01234567) - - pcmpeqw mm4,mm4 - pcmpeqw mm7,mm7 - psrlw mm4,BYTE_BIT - psllw mm7,7 ; mm7={0xFF80 0xFF80 0xFF80 0xFF80} - movq mm0,mm4 ; mm0=mm4={0xFF 0x00 0xFF 0x00 ..} - - pand mm4,mm5 ; mm4=Cb(0246)=CbE - psrlw mm5,BYTE_BIT ; mm5=Cb(1357)=CbO - pand mm0,mm1 ; mm0=Cr(0246)=CrE - psrlw mm1,BYTE_BIT ; mm1=Cr(1357)=CrO - - paddw mm4,mm7 - paddw mm5,mm7 - paddw mm0,mm7 - paddw mm1,mm7 - - ; (Original) - ; R = Y + 1.40200 * Cr - ; G = Y - 0.34414 * Cb - 0.71414 * Cr - ; B = Y + 1.77200 * Cb - ; - ; (This implementation) - ; R = Y + 0.40200 * Cr + Cr - ; G = Y - 0.34414 * Cb + 0.28586 * Cr - Cr - ; B = Y - 0.22800 * Cb + Cb + Cb - - movq mm2,mm4 ; mm2=CbE - movq mm3,mm5 ; mm3=CbO - paddw mm4,mm4 ; mm4=2*CbE - paddw mm5,mm5 ; mm5=2*CbO - movq mm6,mm0 ; mm6=CrE - movq mm7,mm1 ; mm7=CrO - paddw mm0,mm0 ; mm0=2*CrE - paddw mm1,mm1 ; mm1=2*CrO - - pmulhw mm4,[GOTOFF(eax,PW_MF0228)] ; mm4=(2*CbE * -FIX(0.22800)) - pmulhw mm5,[GOTOFF(eax,PW_MF0228)] ; mm5=(2*CbO * -FIX(0.22800)) - pmulhw mm0,[GOTOFF(eax,PW_F0402)] ; mm0=(2*CrE * FIX(0.40200)) - pmulhw mm1,[GOTOFF(eax,PW_F0402)] ; mm1=(2*CrO * FIX(0.40200)) - - paddw mm4,[GOTOFF(eax,PW_ONE)] - paddw mm5,[GOTOFF(eax,PW_ONE)] - psraw mm4,1 ; mm4=(CbE * -FIX(0.22800)) - psraw mm5,1 ; mm5=(CbO * -FIX(0.22800)) - paddw mm0,[GOTOFF(eax,PW_ONE)] - paddw mm1,[GOTOFF(eax,PW_ONE)] - psraw mm0,1 ; mm0=(CrE * FIX(0.40200)) - psraw mm1,1 ; mm1=(CrO * FIX(0.40200)) - - paddw mm4,mm2 - paddw mm5,mm3 - paddw mm4,mm2 ; mm4=(CbE * FIX(1.77200))=(B-Y)E - paddw mm5,mm3 ; mm5=(CbO * FIX(1.77200))=(B-Y)O - paddw mm0,mm6 ; mm0=(CrE * FIX(1.40200))=(R-Y)E - paddw mm1,mm7 ; mm1=(CrO * FIX(1.40200))=(R-Y)O - - movq MMWORD [wk(0)], mm4 ; wk(0)=(B-Y)E - movq MMWORD [wk(1)], mm5 ; wk(1)=(B-Y)O - - movq mm4,mm2 - movq mm5,mm3 - punpcklwd mm2,mm6 - punpckhwd mm4,mm6 - pmaddwd mm2,[GOTOFF(eax,PW_MF0344_F0285)] - pmaddwd mm4,[GOTOFF(eax,PW_MF0344_F0285)] - punpcklwd mm3,mm7 - punpckhwd mm5,mm7 - pmaddwd mm3,[GOTOFF(eax,PW_MF0344_F0285)] - pmaddwd mm5,[GOTOFF(eax,PW_MF0344_F0285)] - - paddd mm2,[GOTOFF(eax,PD_ONEHALF)] - paddd mm4,[GOTOFF(eax,PD_ONEHALF)] - psrad mm2,SCALEBITS - psrad mm4,SCALEBITS - paddd mm3,[GOTOFF(eax,PD_ONEHALF)] - paddd mm5,[GOTOFF(eax,PD_ONEHALF)] - psrad mm3,SCALEBITS - psrad mm5,SCALEBITS - - packssdw mm2,mm4 ; mm2=CbE*-FIX(0.344)+CrE*FIX(0.285) - packssdw mm3,mm5 ; mm3=CbO*-FIX(0.344)+CrO*FIX(0.285) - psubw mm2,mm6 ; mm2=CbE*-FIX(0.344)+CrE*-FIX(0.714)=(G-Y)E - psubw mm3,mm7 ; mm3=CbO*-FIX(0.344)+CrO*-FIX(0.714)=(G-Y)O - - movq mm5, MMWORD [esi] ; mm5=Y(01234567) - - pcmpeqw mm4,mm4 - psrlw mm4,BYTE_BIT ; mm4={0xFF 0x00 0xFF 0x00 ..} - pand mm4,mm5 ; mm4=Y(0246)=YE - psrlw mm5,BYTE_BIT ; mm5=Y(1357)=YO - - paddw mm0,mm4 ; mm0=((R-Y)E+YE)=RE=(R0 R2 R4 R6) - paddw mm1,mm5 ; mm1=((R-Y)O+YO)=RO=(R1 R3 R5 R7) - packuswb mm0,mm0 ; mm0=(R0 R2 R4 R6 ** ** ** **) - packuswb mm1,mm1 ; mm1=(R1 R3 R5 R7 ** ** ** **) - - paddw mm2,mm4 ; mm2=((G-Y)E+YE)=GE=(G0 G2 G4 G6) - paddw mm3,mm5 ; mm3=((G-Y)O+YO)=GO=(G1 G3 G5 G7) - packuswb mm2,mm2 ; mm2=(G0 G2 G4 G6 ** ** ** **) - packuswb mm3,mm3 ; mm3=(G1 G3 G5 G7 ** ** ** **) - - paddw mm4, MMWORD [wk(0)] ; mm4=(YE+(B-Y)E)=BE=(B0 B2 B4 B6) - paddw mm5, MMWORD [wk(1)] ; mm5=(YO+(B-Y)O)=BO=(B1 B3 B5 B7) - packuswb mm4,mm4 ; mm4=(B0 B2 B4 B6 ** ** ** **) - packuswb mm5,mm5 ; mm5=(B1 B3 B5 B7 ** ** ** **) - -%if RGB_PIXELSIZE == 3 ; --------------- - - ; mmA=(00 02 04 06 ** ** ** **), mmB=(01 03 05 07 ** ** ** **) - ; mmC=(10 12 14 16 ** ** ** **), mmD=(11 13 15 17 ** ** ** **) - ; mmE=(20 22 24 26 ** ** ** **), mmF=(21 23 25 27 ** ** ** **) - ; mmG=(** ** ** ** ** ** ** **), mmH=(** ** ** ** ** ** ** **) - - punpcklbw mmA,mmC ; mmA=(00 10 02 12 04 14 06 16) - punpcklbw mmE,mmB ; mmE=(20 01 22 03 24 05 26 07) - punpcklbw mmD,mmF ; mmD=(11 21 13 23 15 25 17 27) - - movq mmG,mmA - movq mmH,mmA - punpcklwd mmA,mmE ; mmA=(00 10 20 01 02 12 22 03) - punpckhwd mmG,mmE ; mmG=(04 14 24 05 06 16 26 07) - - psrlq mmH,2*BYTE_BIT ; mmH=(02 12 04 14 06 16 -- --) - psrlq mmE,2*BYTE_BIT ; mmE=(22 03 24 05 26 07 -- --) - - movq mmC,mmD - movq mmB,mmD - punpcklwd mmD,mmH ; mmD=(11 21 02 12 13 23 04 14) - punpckhwd mmC,mmH ; mmC=(15 25 06 16 17 27 -- --) - - psrlq mmB,2*BYTE_BIT ; mmB=(13 23 15 25 17 27 -- --) - - movq mmF,mmE - punpcklwd mmE,mmB ; mmE=(22 03 13 23 24 05 15 25) - punpckhwd mmF,mmB ; mmF=(26 07 17 27 -- -- -- --) - - punpckldq mmA,mmD ; mmA=(00 10 20 01 11 21 02 12) - punpckldq mmE,mmG ; mmE=(22 03 13 23 04 14 24 05) - punpckldq mmC,mmF ; mmC=(15 25 06 16 26 07 17 27) - - cmp ecx, byte SIZEOF_MMWORD - jb short .column_st16 - - movq MMWORD [edi+0*SIZEOF_MMWORD], mmA - movq MMWORD [edi+1*SIZEOF_MMWORD], mmE - movq MMWORD [edi+2*SIZEOF_MMWORD], mmC - - sub ecx, byte SIZEOF_MMWORD - jz short .nextrow - - add esi, byte SIZEOF_MMWORD ; inptr0 - add ebx, byte SIZEOF_MMWORD ; inptr1 - add edx, byte SIZEOF_MMWORD ; inptr2 - add edi, byte RGB_PIXELSIZE*SIZEOF_MMWORD ; outptr - jmp near .columnloop - alignx 16,7 - -.column_st16: - lea ecx, [ecx+ecx*2] ; imul ecx, RGB_PIXELSIZE - cmp ecx, byte 2*SIZEOF_MMWORD - jb short .column_st8 - movq MMWORD [edi+0*SIZEOF_MMWORD], mmA - movq MMWORD [edi+1*SIZEOF_MMWORD], mmE - movq mmA,mmC - sub ecx, byte 2*SIZEOF_MMWORD - add edi, byte 2*SIZEOF_MMWORD - jmp short .column_st4 -.column_st8: - cmp ecx, byte SIZEOF_MMWORD - jb short .column_st4 - movq MMWORD [edi+0*SIZEOF_MMWORD], mmA - movq mmA,mmE - sub ecx, byte SIZEOF_MMWORD - add edi, byte SIZEOF_MMWORD -.column_st4: - movd eax,mmA - cmp ecx, byte SIZEOF_DWORD - jb short .column_st2 - mov DWORD [edi+0*SIZEOF_DWORD], eax - psrlq mmA,DWORD_BIT - movd eax,mmA - sub ecx, byte SIZEOF_DWORD - add edi, byte SIZEOF_DWORD -.column_st2: - cmp ecx, byte SIZEOF_WORD - jb short .column_st1 - mov WORD [edi+0*SIZEOF_WORD], ax - shr eax,WORD_BIT - sub ecx, byte SIZEOF_WORD - add edi, byte SIZEOF_WORD -.column_st1: - cmp ecx, byte SIZEOF_BYTE - jb short .nextrow - mov BYTE [edi+0*SIZEOF_BYTE], al - -%else ; RGB_PIXELSIZE == 4 ; ----------- - -%ifdef RGBX_FILLER_0XFF - pcmpeqb mm6,mm6 ; mm6=(X0 X2 X4 X6 ** ** ** **) - pcmpeqb mm7,mm7 ; mm7=(X1 X3 X5 X7 ** ** ** **) -%else - pxor mm6,mm6 ; mm6=(X0 X2 X4 X6 ** ** ** **) - pxor mm7,mm7 ; mm7=(X1 X3 X5 X7 ** ** ** **) -%endif - ; mmA=(00 02 04 06 ** ** ** **), mmB=(01 03 05 07 ** ** ** **) - ; mmC=(10 12 14 16 ** ** ** **), mmD=(11 13 15 17 ** ** ** **) - ; mmE=(20 22 24 26 ** ** ** **), mmF=(21 23 25 27 ** ** ** **) - ; mmG=(30 32 34 36 ** ** ** **), mmH=(31 33 35 37 ** ** ** **) - - punpcklbw mmA,mmC ; mmA=(00 10 02 12 04 14 06 16) - punpcklbw mmE,mmG ; mmE=(20 30 22 32 24 34 26 36) - punpcklbw mmB,mmD ; mmB=(01 11 03 13 05 15 07 17) - punpcklbw mmF,mmH ; mmF=(21 31 23 33 25 35 27 37) - - movq mmC,mmA - punpcklwd mmA,mmE ; mmA=(00 10 20 30 02 12 22 32) - punpckhwd mmC,mmE ; mmC=(04 14 24 34 06 16 26 36) - movq mmG,mmB - punpcklwd mmB,mmF ; mmB=(01 11 21 31 03 13 23 33) - punpckhwd mmG,mmF ; mmG=(05 15 25 35 07 17 27 37) - - movq mmD,mmA - punpckldq mmA,mmB ; mmA=(00 10 20 30 01 11 21 31) - punpckhdq mmD,mmB ; mmD=(02 12 22 32 03 13 23 33) - movq mmH,mmC - punpckldq mmC,mmG ; mmC=(04 14 24 34 05 15 25 35) - punpckhdq mmH,mmG ; mmH=(06 16 26 36 07 17 27 37) - - cmp ecx, byte SIZEOF_MMWORD - jb short .column_st16 - - movq MMWORD [edi+0*SIZEOF_MMWORD], mmA - movq MMWORD [edi+1*SIZEOF_MMWORD], mmD - movq MMWORD [edi+2*SIZEOF_MMWORD], mmC - movq MMWORD [edi+3*SIZEOF_MMWORD], mmH - - sub ecx, byte SIZEOF_MMWORD - jz short .nextrow - - add esi, byte SIZEOF_MMWORD ; inptr0 - add ebx, byte SIZEOF_MMWORD ; inptr1 - add edx, byte SIZEOF_MMWORD ; inptr2 - add edi, byte RGB_PIXELSIZE*SIZEOF_MMWORD ; outptr - jmp near .columnloop - alignx 16,7 - -.column_st16: - cmp ecx, byte SIZEOF_MMWORD/2 - jb short .column_st8 - movq MMWORD [edi+0*SIZEOF_MMWORD], mmA - movq MMWORD [edi+1*SIZEOF_MMWORD], mmD - movq mmA,mmC - movq mmD,mmH - sub ecx, byte SIZEOF_MMWORD/2 - add edi, byte 2*SIZEOF_MMWORD -.column_st8: - cmp ecx, byte SIZEOF_MMWORD/4 - jb short .column_st4 - movq MMWORD [edi+0*SIZEOF_MMWORD], mmA - movq mmA,mmD - sub ecx, byte SIZEOF_MMWORD/4 - add edi, byte 1*SIZEOF_MMWORD -.column_st4: - cmp ecx, byte SIZEOF_MMWORD/8 - jb short .nextrow - movd DWORD [edi+0*SIZEOF_DWORD], mmA - -%endif ; RGB_PIXELSIZE ; --------------- - - alignx 16,7 - -.nextrow: - pop ecx - pop esi - pop ebx - pop edx - pop edi - pop eax - - add esi, byte SIZEOF_JSAMPROW - add ebx, byte SIZEOF_JSAMPROW - add edx, byte SIZEOF_JSAMPROW - add edi, byte SIZEOF_JSAMPROW ; output_buf - dec eax ; num_rows - jg near .rowloop - - emms ; empty MMX state - -.return: - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved - pop ebx - mov esp,ebp ; esp <- aligned ebp - pop esp ; esp <- original ebp - pop ebp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jdclrss2-64.asm b/common/jpeg/simd/jdclrss2-64.asm deleted file mode 100644 index 4282bd26..00000000 --- a/common/jpeg/simd/jdclrss2-64.asm +++ /dev/null @@ -1,487 +0,0 @@ -; -; jdclrss2-64.asm - colorspace conversion (64-bit SSE2) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; Copyright 2009 D. R. Commander -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; [TAB8] - -%include "jcolsamp.inc" - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 64 -; -; Convert some rows of samples to the output colorspace. -; -; GLOBAL(void) -; jsimd_ycc_rgb_convert_sse2 (JDIMENSION out_width, -; JSAMPIMAGE input_buf, JDIMENSION input_row, -; JSAMPARRAY output_buf, int num_rows) -; - -; r10 = JDIMENSION out_width -; r11 = JSAMPIMAGE input_buf -; r12 = JDIMENSION input_row -; r13 = JSAMPARRAY output_buf -; r14 = int num_rows - -%define wk(i) rbp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM] -%define WK_NUM 2 - - align 16 - global EXTN(jsimd_ycc_rgb_convert_sse2) - -EXTN(jsimd_ycc_rgb_convert_sse2): - push rbp - mov rax,rsp ; rax = original rbp - sub rsp, byte 4 - and rsp, byte (-SIZEOF_XMMWORD) ; align to 128 bits - mov [rsp],rax - mov rbp,rsp ; rbp = aligned rbp - lea rsp, [wk(0)] - collect_args - push rbx - - mov rcx, r10 ; num_cols - test rcx,rcx - jz near .return - - push rcx - - mov rdi, r11 - mov rcx, r12 - mov rsi, JSAMPARRAY [rdi+0*SIZEOF_JSAMPARRAY] - mov rbx, JSAMPARRAY [rdi+1*SIZEOF_JSAMPARRAY] - mov rdx, JSAMPARRAY [rdi+2*SIZEOF_JSAMPARRAY] - lea rsi, [rsi+rcx*SIZEOF_JSAMPROW] - lea rbx, [rbx+rcx*SIZEOF_JSAMPROW] - lea rdx, [rdx+rcx*SIZEOF_JSAMPROW] - - pop rcx - - mov rdi, r13 - mov eax, r14d - test rax,rax - jle near .return -.rowloop: - push rax - push rdi - push rdx - push rbx - push rsi - push rcx ; col - - mov rsi, JSAMPROW [rsi] ; inptr0 - mov rbx, JSAMPROW [rbx] ; inptr1 - mov rdx, JSAMPROW [rdx] ; inptr2 - mov rdi, JSAMPROW [rdi] ; outptr -.columnloop: - - movdqa xmm5, XMMWORD [rbx] ; xmm5=Cb(0123456789ABCDEF) - movdqa xmm1, XMMWORD [rdx] ; xmm1=Cr(0123456789ABCDEF) - - pcmpeqw xmm4,xmm4 - pcmpeqw xmm7,xmm7 - psrlw xmm4,BYTE_BIT - psllw xmm7,7 ; xmm7={0xFF80 0xFF80 0xFF80 0xFF80 ..} - movdqa xmm0,xmm4 ; xmm0=xmm4={0xFF 0x00 0xFF 0x00 ..} - - pand xmm4,xmm5 ; xmm4=Cb(02468ACE)=CbE - psrlw xmm5,BYTE_BIT ; xmm5=Cb(13579BDF)=CbO - pand xmm0,xmm1 ; xmm0=Cr(02468ACE)=CrE - psrlw xmm1,BYTE_BIT ; xmm1=Cr(13579BDF)=CrO - - paddw xmm4,xmm7 - paddw xmm5,xmm7 - paddw xmm0,xmm7 - paddw xmm1,xmm7 - - ; (Original) - ; R = Y + 1.40200 * Cr - ; G = Y - 0.34414 * Cb - 0.71414 * Cr - ; B = Y + 1.77200 * Cb - ; - ; (This implementation) - ; R = Y + 0.40200 * Cr + Cr - ; G = Y - 0.34414 * Cb + 0.28586 * Cr - Cr - ; B = Y - 0.22800 * Cb + Cb + Cb - - movdqa xmm2,xmm4 ; xmm2=CbE - movdqa xmm3,xmm5 ; xmm3=CbO - paddw xmm4,xmm4 ; xmm4=2*CbE - paddw xmm5,xmm5 ; xmm5=2*CbO - movdqa xmm6,xmm0 ; xmm6=CrE - movdqa xmm7,xmm1 ; xmm7=CrO - paddw xmm0,xmm0 ; xmm0=2*CrE - paddw xmm1,xmm1 ; xmm1=2*CrO - - pmulhw xmm4,[rel PW_MF0228] ; xmm4=(2*CbE * -FIX(0.22800)) - pmulhw xmm5,[rel PW_MF0228] ; xmm5=(2*CbO * -FIX(0.22800)) - pmulhw xmm0,[rel PW_F0402] ; xmm0=(2*CrE * FIX(0.40200)) - pmulhw xmm1,[rel PW_F0402] ; xmm1=(2*CrO * FIX(0.40200)) - - paddw xmm4,[rel PW_ONE] - paddw xmm5,[rel PW_ONE] - psraw xmm4,1 ; xmm4=(CbE * -FIX(0.22800)) - psraw xmm5,1 ; xmm5=(CbO * -FIX(0.22800)) - paddw xmm0,[rel PW_ONE] - paddw xmm1,[rel PW_ONE] - psraw xmm0,1 ; xmm0=(CrE * FIX(0.40200)) - psraw xmm1,1 ; xmm1=(CrO * FIX(0.40200)) - - paddw xmm4,xmm2 - paddw xmm5,xmm3 - paddw xmm4,xmm2 ; xmm4=(CbE * FIX(1.77200))=(B-Y)E - paddw xmm5,xmm3 ; xmm5=(CbO * FIX(1.77200))=(B-Y)O - paddw xmm0,xmm6 ; xmm0=(CrE * FIX(1.40200))=(R-Y)E - paddw xmm1,xmm7 ; xmm1=(CrO * FIX(1.40200))=(R-Y)O - - movdqa XMMWORD [wk(0)], xmm4 ; wk(0)=(B-Y)E - movdqa XMMWORD [wk(1)], xmm5 ; wk(1)=(B-Y)O - - movdqa xmm4,xmm2 - movdqa xmm5,xmm3 - punpcklwd xmm2,xmm6 - punpckhwd xmm4,xmm6 - pmaddwd xmm2,[rel PW_MF0344_F0285] - pmaddwd xmm4,[rel PW_MF0344_F0285] - punpcklwd xmm3,xmm7 - punpckhwd xmm5,xmm7 - pmaddwd xmm3,[rel PW_MF0344_F0285] - pmaddwd xmm5,[rel PW_MF0344_F0285] - - paddd xmm2,[rel PD_ONEHALF] - paddd xmm4,[rel PD_ONEHALF] - psrad xmm2,SCALEBITS - psrad xmm4,SCALEBITS - paddd xmm3,[rel PD_ONEHALF] - paddd xmm5,[rel PD_ONEHALF] - psrad xmm3,SCALEBITS - psrad xmm5,SCALEBITS - - packssdw xmm2,xmm4 ; xmm2=CbE*-FIX(0.344)+CrE*FIX(0.285) - packssdw xmm3,xmm5 ; xmm3=CbO*-FIX(0.344)+CrO*FIX(0.285) - psubw xmm2,xmm6 ; xmm2=CbE*-FIX(0.344)+CrE*-FIX(0.714)=(G-Y)E - psubw xmm3,xmm7 ; xmm3=CbO*-FIX(0.344)+CrO*-FIX(0.714)=(G-Y)O - - movdqa xmm5, XMMWORD [rsi] ; xmm5=Y(0123456789ABCDEF) - - pcmpeqw xmm4,xmm4 - psrlw xmm4,BYTE_BIT ; xmm4={0xFF 0x00 0xFF 0x00 ..} - pand xmm4,xmm5 ; xmm4=Y(02468ACE)=YE - psrlw xmm5,BYTE_BIT ; xmm5=Y(13579BDF)=YO - - paddw xmm0,xmm4 ; xmm0=((R-Y)E+YE)=RE=R(02468ACE) - paddw xmm1,xmm5 ; xmm1=((R-Y)O+YO)=RO=R(13579BDF) - packuswb xmm0,xmm0 ; xmm0=R(02468ACE********) - packuswb xmm1,xmm1 ; xmm1=R(13579BDF********) - - paddw xmm2,xmm4 ; xmm2=((G-Y)E+YE)=GE=G(02468ACE) - paddw xmm3,xmm5 ; xmm3=((G-Y)O+YO)=GO=G(13579BDF) - packuswb xmm2,xmm2 ; xmm2=G(02468ACE********) - packuswb xmm3,xmm3 ; xmm3=G(13579BDF********) - - paddw xmm4, XMMWORD [wk(0)] ; xmm4=(YE+(B-Y)E)=BE=B(02468ACE) - paddw xmm5, XMMWORD [wk(1)] ; xmm5=(YO+(B-Y)O)=BO=B(13579BDF) - packuswb xmm4,xmm4 ; xmm4=B(02468ACE********) - packuswb xmm5,xmm5 ; xmm5=B(13579BDF********) - -%if RGB_PIXELSIZE == 3 ; --------------- - - ; xmmA=(00 02 04 06 08 0A 0C 0E **), xmmB=(01 03 05 07 09 0B 0D 0F **) - ; xmmC=(10 12 14 16 18 1A 1C 1E **), xmmD=(11 13 15 17 19 1B 1D 1F **) - ; xmmE=(20 22 24 26 28 2A 2C 2E **), xmmF=(21 23 25 27 29 2B 2D 2F **) - ; xmmG=(** ** ** ** ** ** ** ** **), xmmH=(** ** ** ** ** ** ** ** **) - - punpcklbw xmmA,xmmC ; xmmA=(00 10 02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E) - punpcklbw xmmE,xmmB ; xmmE=(20 01 22 03 24 05 26 07 28 09 2A 0B 2C 0D 2E 0F) - punpcklbw xmmD,xmmF ; xmmD=(11 21 13 23 15 25 17 27 19 29 1B 2B 1D 2D 1F 2F) - - movdqa xmmG,xmmA - movdqa xmmH,xmmA - punpcklwd xmmA,xmmE ; xmmA=(00 10 20 01 02 12 22 03 04 14 24 05 06 16 26 07) - punpckhwd xmmG,xmmE ; xmmG=(08 18 28 09 0A 1A 2A 0B 0C 1C 2C 0D 0E 1E 2E 0F) - - psrldq xmmH,2 ; xmmH=(02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E -- --) - psrldq xmmE,2 ; xmmE=(22 03 24 05 26 07 28 09 2A 0B 2C 0D 2E 0F -- --) - - movdqa xmmC,xmmD - movdqa xmmB,xmmD - punpcklwd xmmD,xmmH ; xmmD=(11 21 02 12 13 23 04 14 15 25 06 16 17 27 08 18) - punpckhwd xmmC,xmmH ; xmmC=(19 29 0A 1A 1B 2B 0C 1C 1D 2D 0E 1E 1F 2F -- --) - - psrldq xmmB,2 ; xmmB=(13 23 15 25 17 27 19 29 1B 2B 1D 2D 1F 2F -- --) - - movdqa xmmF,xmmE - punpcklwd xmmE,xmmB ; xmmE=(22 03 13 23 24 05 15 25 26 07 17 27 28 09 19 29) - punpckhwd xmmF,xmmB ; xmmF=(2A 0B 1B 2B 2C 0D 1D 2D 2E 0F 1F 2F -- -- -- --) - - pshufd xmmH,xmmA,0x4E; xmmH=(04 14 24 05 06 16 26 07 00 10 20 01 02 12 22 03) - movdqa xmmB,xmmE - punpckldq xmmA,xmmD ; xmmA=(00 10 20 01 11 21 02 12 02 12 22 03 13 23 04 14) - punpckldq xmmE,xmmH ; xmmE=(22 03 13 23 04 14 24 05 24 05 15 25 06 16 26 07) - punpckhdq xmmD,xmmB ; xmmD=(15 25 06 16 26 07 17 27 17 27 08 18 28 09 19 29) - - pshufd xmmH,xmmG,0x4E; xmmH=(0C 1C 2C 0D 0E 1E 2E 0F 08 18 28 09 0A 1A 2A 0B) - movdqa xmmB,xmmF - punpckldq xmmG,xmmC ; xmmG=(08 18 28 09 19 29 0A 1A 0A 1A 2A 0B 1B 2B 0C 1C) - punpckldq xmmF,xmmH ; xmmF=(2A 0B 1B 2B 0C 1C 2C 0D 2C 0D 1D 2D 0E 1E 2E 0F) - punpckhdq xmmC,xmmB ; xmmC=(1D 2D 0E 1E 2E 0F 1F 2F 1F 2F -- -- -- -- -- --) - - punpcklqdq xmmA,xmmE ; xmmA=(00 10 20 01 11 21 02 12 22 03 13 23 04 14 24 05) - punpcklqdq xmmD,xmmG ; xmmD=(15 25 06 16 26 07 17 27 08 18 28 09 19 29 0A 1A) - punpcklqdq xmmF,xmmC ; xmmF=(2A 0B 1B 2B 0C 1C 2C 0D 1D 2D 0E 1E 2E 0F 1F 2F) - - cmp rcx, byte SIZEOF_XMMWORD - jb short .column_st32 - - test rdi, SIZEOF_XMMWORD-1 - jnz short .out1 - ; --(aligned)------------------- - movntdq XMMWORD [rdi+0*SIZEOF_XMMWORD], xmmA - movntdq XMMWORD [rdi+1*SIZEOF_XMMWORD], xmmD - movntdq XMMWORD [rdi+2*SIZEOF_XMMWORD], xmmF - add rdi, byte RGB_PIXELSIZE*SIZEOF_XMMWORD ; outptr - jmp short .out0 -.out1: ; --(unaligned)----------------- - pcmpeqb xmmH,xmmH ; xmmH=(all 1's) - maskmovdqu xmmA,xmmH ; movntdqu XMMWORD [rdi], xmmA - add rdi, byte SIZEOF_XMMWORD ; outptr - maskmovdqu xmmD,xmmH ; movntdqu XMMWORD [rdi], xmmD - add rdi, byte SIZEOF_XMMWORD ; outptr - maskmovdqu xmmF,xmmH ; movntdqu XMMWORD [rdi], xmmF - add rdi, byte SIZEOF_XMMWORD ; outptr -.out0: - sub rcx, byte SIZEOF_XMMWORD - jz near .nextrow - - add rsi, byte SIZEOF_XMMWORD ; inptr0 - add rbx, byte SIZEOF_XMMWORD ; inptr1 - add rdx, byte SIZEOF_XMMWORD ; inptr2 - jmp near .columnloop - -.column_st32: - pcmpeqb xmmH,xmmH ; xmmH=(all 1's) - lea rcx, [rcx+rcx*2] ; imul ecx, RGB_PIXELSIZE - cmp rcx, byte 2*SIZEOF_XMMWORD - jb short .column_st16 - maskmovdqu xmmA,xmmH ; movntdqu XMMWORD [rdi], xmmA - add rdi, byte SIZEOF_XMMWORD ; outptr - maskmovdqu xmmD,xmmH ; movntdqu XMMWORD [rdi], xmmD - add rdi, byte SIZEOF_XMMWORD ; outptr - movdqa xmmA,xmmF - sub rcx, byte 2*SIZEOF_XMMWORD - jmp short .column_st15 -.column_st16: - cmp rcx, byte SIZEOF_XMMWORD - jb short .column_st15 - maskmovdqu xmmA,xmmH ; movntdqu XMMWORD [rdi], xmmA - add rdi, byte SIZEOF_XMMWORD ; outptr - movdqa xmmA,xmmD - sub rcx, byte SIZEOF_XMMWORD -.column_st15: - mov rax,rcx - xor rcx, byte 0x0F - shl rcx, 2 - movd xmmB,ecx - psrlq xmmH,4 - pcmpeqb xmmE,xmmE - psrlq xmmH,xmmB - psrlq xmmE,xmmB - punpcklbw xmmE,xmmH - ; ---------------- - mov rcx,rdi - and rcx, byte SIZEOF_XMMWORD-1 - jz short .adj0 - add rax,rcx - cmp rax, byte SIZEOF_XMMWORD - ja short .adj0 - and rdi, byte (-SIZEOF_XMMWORD) ; align to 16-byte boundary - shl rcx, 3 ; pslldq xmmA,ecx & pslldq xmmE,rcx - movdqa xmmG,xmmA - movdqa xmmC,xmmE - pslldq xmmA, SIZEOF_XMMWORD/2 - pslldq xmmE, SIZEOF_XMMWORD/2 - movd xmmD,ecx - sub rcx, byte (SIZEOF_XMMWORD/2)*BYTE_BIT - jb short .adj1 - movd xmmF,ecx - psllq xmmA,xmmF - psllq xmmE,xmmF - jmp short .adj0 -.adj1: neg ecx - movd xmmF,ecx - psrlq xmmA,xmmF - psrlq xmmE,xmmF - psllq xmmG,xmmD - psllq xmmC,xmmD - por xmmA,xmmG - por xmmE,xmmC -.adj0: ; ---------------- - maskmovdqu xmmA,xmmE ; movntdqu XMMWORD [rdi], xmmA - -%else ; RGB_PIXELSIZE == 4 ; ----------- - -%ifdef RGBX_FILLER_0XFF - pcmpeqb xmm6,xmm6 ; xmm6=XE=X(02468ACE********) - pcmpeqb xmm7,xmm7 ; xmm7=XO=X(13579BDF********) -%else - pxor xmm6,xmm6 ; xmm6=XE=X(02468ACE********) - pxor xmm7,xmm7 ; xmm7=XO=X(13579BDF********) -%endif - ; xmmA=(00 02 04 06 08 0A 0C 0E **), xmmB=(01 03 05 07 09 0B 0D 0F **) - ; xmmC=(10 12 14 16 18 1A 1C 1E **), xmmD=(11 13 15 17 19 1B 1D 1F **) - ; xmmE=(20 22 24 26 28 2A 2C 2E **), xmmF=(21 23 25 27 29 2B 2D 2F **) - ; xmmG=(30 32 34 36 38 3A 3C 3E **), xmmH=(31 33 35 37 39 3B 3D 3F **) - - punpcklbw xmmA,xmmC ; xmmA=(00 10 02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E) - punpcklbw xmmE,xmmG ; xmmE=(20 30 22 32 24 34 26 36 28 38 2A 3A 2C 3C 2E 3E) - punpcklbw xmmB,xmmD ; xmmB=(01 11 03 13 05 15 07 17 09 19 0B 1B 0D 1D 0F 1F) - punpcklbw xmmF,xmmH ; xmmF=(21 31 23 33 25 35 27 37 29 39 2B 3B 2D 3D 2F 3F) - - movdqa xmmC,xmmA - punpcklwd xmmA,xmmE ; xmmA=(00 10 20 30 02 12 22 32 04 14 24 34 06 16 26 36) - punpckhwd xmmC,xmmE ; xmmC=(08 18 28 38 0A 1A 2A 3A 0C 1C 2C 3C 0E 1E 2E 3E) - movdqa xmmG,xmmB - punpcklwd xmmB,xmmF ; xmmB=(01 11 21 31 03 13 23 33 05 15 25 35 07 17 27 37) - punpckhwd xmmG,xmmF ; xmmG=(09 19 29 39 0B 1B 2B 3B 0D 1D 2D 3D 0F 1F 2F 3F) - - movdqa xmmD,xmmA - punpckldq xmmA,xmmB ; xmmA=(00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33) - punpckhdq xmmD,xmmB ; xmmD=(04 14 24 34 05 15 25 35 06 16 26 36 07 17 27 37) - movdqa xmmH,xmmC - punpckldq xmmC,xmmG ; xmmC=(08 18 28 38 09 19 29 39 0A 1A 2A 3A 0B 1B 2B 3B) - punpckhdq xmmH,xmmG ; xmmH=(0C 1C 2C 3C 0D 1D 2D 3D 0E 1E 2E 3E 0F 1F 2F 3F) - - cmp rcx, byte SIZEOF_XMMWORD - jb short .column_st32 - - test rdi, SIZEOF_XMMWORD-1 - jnz short .out1 - ; --(aligned)------------------- - movntdq XMMWORD [rdi+0*SIZEOF_XMMWORD], xmmA - movntdq XMMWORD [rdi+1*SIZEOF_XMMWORD], xmmD - movntdq XMMWORD [rdi+2*SIZEOF_XMMWORD], xmmC - movntdq XMMWORD [rdi+3*SIZEOF_XMMWORD], xmmH - add rdi, byte RGB_PIXELSIZE*SIZEOF_XMMWORD ; outptr - jmp short .out0 -.out1: ; --(unaligned)----------------- - pcmpeqb xmmE,xmmE ; xmmE=(all 1's) - maskmovdqu xmmA,xmmE ; movntdqu XMMWORD [rdi], xmmA - add rdi, byte SIZEOF_XMMWORD ; outptr - maskmovdqu xmmD,xmmE ; movntdqu XMMWORD [rdi], xmmD - add rdi, byte SIZEOF_XMMWORD ; outptr - maskmovdqu xmmC,xmmE ; movntdqu XMMWORD [rdi], xmmC - add rdi, byte SIZEOF_XMMWORD ; outptr - maskmovdqu xmmH,xmmE ; movntdqu XMMWORD [rdi], xmmH - add rdi, byte SIZEOF_XMMWORD ; outptr -.out0: - sub rcx, byte SIZEOF_XMMWORD - jz near .nextrow - - add rsi, byte SIZEOF_XMMWORD ; inptr0 - add rbx, byte SIZEOF_XMMWORD ; inptr1 - add rdx, byte SIZEOF_XMMWORD ; inptr2 - jmp near .columnloop - -.column_st32: - pcmpeqb xmmE,xmmE ; xmmE=(all 1's) - cmp rcx, byte SIZEOF_XMMWORD/2 - jb short .column_st16 - maskmovdqu xmmA,xmmE ; movntdqu XMMWORD [rdi], xmmA - add rdi, byte SIZEOF_XMMWORD ; outptr - maskmovdqu xmmD,xmmE ; movntdqu XMMWORD [rdi], xmmD - add rdi, byte SIZEOF_XMMWORD ; outptr - movdqa xmmA,xmmC - movdqa xmmD,xmmH - sub rcx, byte SIZEOF_XMMWORD/2 -.column_st16: - cmp rcx, byte SIZEOF_XMMWORD/4 - jb short .column_st15 - maskmovdqu xmmA,xmmE ; movntdqu XMMWORD [rdi], xmmA - add rdi, byte SIZEOF_XMMWORD ; outptr - movdqa xmmA,xmmD - sub rcx, byte SIZEOF_XMMWORD/4 -.column_st15: - cmp rcx, byte SIZEOF_XMMWORD/16 - jb near .nextrow - mov rax,rcx - xor rcx, byte 0x03 - inc rcx - shl rcx, 4 - movd xmmF,ecx - psrlq xmmE,xmmF - punpcklbw xmmE,xmmE - ; ---------------- - mov rcx,rdi - and rcx, byte SIZEOF_XMMWORD-1 - jz short .adj0 - lea rax, [rcx+rax*4] ; RGB_PIXELSIZE - cmp rax, byte SIZEOF_XMMWORD - ja short .adj0 - and rdi, byte (-SIZEOF_XMMWORD) ; align to 16-byte boundary - shl rcx, 3 ; pslldq xmmA,ecx & pslldq xmmE,ecx - movdqa xmmB,xmmA - movdqa xmmG,xmmE - pslldq xmmA, SIZEOF_XMMWORD/2 - pslldq xmmE, SIZEOF_XMMWORD/2 - movd xmmC,ecx - sub rcx, byte (SIZEOF_XMMWORD/2)*BYTE_BIT - jb short .adj1 - movd xmmH,ecx - psllq xmmA,xmmH - psllq xmmE,xmmH - jmp short .adj0 -.adj1: neg rcx - movd xmmH,ecx - psrlq xmmA,xmmH - psrlq xmmE,xmmH - psllq xmmB,xmmC - psllq xmmG,xmmC - por xmmA,xmmB - por xmmE,xmmG -.adj0: ; ---------------- - maskmovdqu xmmA,xmmE ; movntdqu XMMWORD [rdi], xmmA - -%endif ; RGB_PIXELSIZE ; --------------- - -.nextrow: - pop rcx - pop rsi - pop rbx - pop rdx - pop rdi - pop rax - - add rsi, byte SIZEOF_JSAMPROW - add rbx, byte SIZEOF_JSAMPROW - add rdx, byte SIZEOF_JSAMPROW - add rdi, byte SIZEOF_JSAMPROW ; output_buf - dec rax ; num_rows - jg near .rowloop - - sfence ; flush the write buffer - -.return: - pop rbx - uncollect_args - mov rsp,rbp ; rsp <- aligned rbp - pop rsp ; rsp <- original rbp - pop rbp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jdclrss2.asm b/common/jpeg/simd/jdclrss2.asm deleted file mode 100644 index 865fa824..00000000 --- a/common/jpeg/simd/jdclrss2.asm +++ /dev/null @@ -1,505 +0,0 @@ -; -; jdclrss2.asm - colorspace conversion (SSE2) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; [TAB8] - -%include "jcolsamp.inc" - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 32 -; -; Convert some rows of samples to the output colorspace. -; -; GLOBAL(void) -; jsimd_ycc_rgb_convert_sse2 (JDIMENSION out_width, -; JSAMPIMAGE input_buf, JDIMENSION input_row, -; JSAMPARRAY output_buf, int num_rows) -; - -%define out_width(b) (b)+8 ; JDIMENSION out_width -%define input_buf(b) (b)+12 ; JSAMPIMAGE input_buf -%define input_row(b) (b)+16 ; JDIMENSION input_row -%define output_buf(b) (b)+20 ; JSAMPARRAY output_buf -%define num_rows(b) (b)+24 ; int num_rows - -%define original_ebp ebp+0 -%define wk(i) ebp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM] -%define WK_NUM 2 -%define gotptr wk(0)-SIZEOF_POINTER ; void * gotptr - - align 16 - global EXTN(jsimd_ycc_rgb_convert_sse2) - -EXTN(jsimd_ycc_rgb_convert_sse2): - push ebp - mov eax,esp ; eax = original ebp - sub esp, byte 4 - and esp, byte (-SIZEOF_XMMWORD) ; align to 128 bits - mov [esp],eax - mov ebp,esp ; ebp = aligned ebp - lea esp, [wk(0)] - pushpic eax ; make a room for GOT address - push ebx -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - get_GOT ebx ; get GOT address - movpic POINTER [gotptr], ebx ; save GOT address - - mov ecx, JDIMENSION [out_width(eax)] ; num_cols - test ecx,ecx - jz near .return - - push ecx - - mov edi, JSAMPIMAGE [input_buf(eax)] - mov ecx, JDIMENSION [input_row(eax)] - mov esi, JSAMPARRAY [edi+0*SIZEOF_JSAMPARRAY] - mov ebx, JSAMPARRAY [edi+1*SIZEOF_JSAMPARRAY] - mov edx, JSAMPARRAY [edi+2*SIZEOF_JSAMPARRAY] - lea esi, [esi+ecx*SIZEOF_JSAMPROW] - lea ebx, [ebx+ecx*SIZEOF_JSAMPROW] - lea edx, [edx+ecx*SIZEOF_JSAMPROW] - - pop ecx - - mov edi, JSAMPARRAY [output_buf(eax)] - mov eax, INT [num_rows(eax)] - test eax,eax - jle near .return - alignx 16,7 -.rowloop: - push eax - push edi - push edx - push ebx - push esi - push ecx ; col - - mov esi, JSAMPROW [esi] ; inptr0 - mov ebx, JSAMPROW [ebx] ; inptr1 - mov edx, JSAMPROW [edx] ; inptr2 - mov edi, JSAMPROW [edi] ; outptr - movpic eax, POINTER [gotptr] ; load GOT address (eax) - alignx 16,7 -.columnloop: - - movdqa xmm5, XMMWORD [ebx] ; xmm5=Cb(0123456789ABCDEF) - movdqa xmm1, XMMWORD [edx] ; xmm1=Cr(0123456789ABCDEF) - - pcmpeqw xmm4,xmm4 - pcmpeqw xmm7,xmm7 - psrlw xmm4,BYTE_BIT - psllw xmm7,7 ; xmm7={0xFF80 0xFF80 0xFF80 0xFF80 ..} - movdqa xmm0,xmm4 ; xmm0=xmm4={0xFF 0x00 0xFF 0x00 ..} - - pand xmm4,xmm5 ; xmm4=Cb(02468ACE)=CbE - psrlw xmm5,BYTE_BIT ; xmm5=Cb(13579BDF)=CbO - pand xmm0,xmm1 ; xmm0=Cr(02468ACE)=CrE - psrlw xmm1,BYTE_BIT ; xmm1=Cr(13579BDF)=CrO - - paddw xmm4,xmm7 - paddw xmm5,xmm7 - paddw xmm0,xmm7 - paddw xmm1,xmm7 - - ; (Original) - ; R = Y + 1.40200 * Cr - ; G = Y - 0.34414 * Cb - 0.71414 * Cr - ; B = Y + 1.77200 * Cb - ; - ; (This implementation) - ; R = Y + 0.40200 * Cr + Cr - ; G = Y - 0.34414 * Cb + 0.28586 * Cr - Cr - ; B = Y - 0.22800 * Cb + Cb + Cb - - movdqa xmm2,xmm4 ; xmm2=CbE - movdqa xmm3,xmm5 ; xmm3=CbO - paddw xmm4,xmm4 ; xmm4=2*CbE - paddw xmm5,xmm5 ; xmm5=2*CbO - movdqa xmm6,xmm0 ; xmm6=CrE - movdqa xmm7,xmm1 ; xmm7=CrO - paddw xmm0,xmm0 ; xmm0=2*CrE - paddw xmm1,xmm1 ; xmm1=2*CrO - - pmulhw xmm4,[GOTOFF(eax,PW_MF0228)] ; xmm4=(2*CbE * -FIX(0.22800)) - pmulhw xmm5,[GOTOFF(eax,PW_MF0228)] ; xmm5=(2*CbO * -FIX(0.22800)) - pmulhw xmm0,[GOTOFF(eax,PW_F0402)] ; xmm0=(2*CrE * FIX(0.40200)) - pmulhw xmm1,[GOTOFF(eax,PW_F0402)] ; xmm1=(2*CrO * FIX(0.40200)) - - paddw xmm4,[GOTOFF(eax,PW_ONE)] - paddw xmm5,[GOTOFF(eax,PW_ONE)] - psraw xmm4,1 ; xmm4=(CbE * -FIX(0.22800)) - psraw xmm5,1 ; xmm5=(CbO * -FIX(0.22800)) - paddw xmm0,[GOTOFF(eax,PW_ONE)] - paddw xmm1,[GOTOFF(eax,PW_ONE)] - psraw xmm0,1 ; xmm0=(CrE * FIX(0.40200)) - psraw xmm1,1 ; xmm1=(CrO * FIX(0.40200)) - - paddw xmm4,xmm2 - paddw xmm5,xmm3 - paddw xmm4,xmm2 ; xmm4=(CbE * FIX(1.77200))=(B-Y)E - paddw xmm5,xmm3 ; xmm5=(CbO * FIX(1.77200))=(B-Y)O - paddw xmm0,xmm6 ; xmm0=(CrE * FIX(1.40200))=(R-Y)E - paddw xmm1,xmm7 ; xmm1=(CrO * FIX(1.40200))=(R-Y)O - - movdqa XMMWORD [wk(0)], xmm4 ; wk(0)=(B-Y)E - movdqa XMMWORD [wk(1)], xmm5 ; wk(1)=(B-Y)O - - movdqa xmm4,xmm2 - movdqa xmm5,xmm3 - punpcklwd xmm2,xmm6 - punpckhwd xmm4,xmm6 - pmaddwd xmm2,[GOTOFF(eax,PW_MF0344_F0285)] - pmaddwd xmm4,[GOTOFF(eax,PW_MF0344_F0285)] - punpcklwd xmm3,xmm7 - punpckhwd xmm5,xmm7 - pmaddwd xmm3,[GOTOFF(eax,PW_MF0344_F0285)] - pmaddwd xmm5,[GOTOFF(eax,PW_MF0344_F0285)] - - paddd xmm2,[GOTOFF(eax,PD_ONEHALF)] - paddd xmm4,[GOTOFF(eax,PD_ONEHALF)] - psrad xmm2,SCALEBITS - psrad xmm4,SCALEBITS - paddd xmm3,[GOTOFF(eax,PD_ONEHALF)] - paddd xmm5,[GOTOFF(eax,PD_ONEHALF)] - psrad xmm3,SCALEBITS - psrad xmm5,SCALEBITS - - packssdw xmm2,xmm4 ; xmm2=CbE*-FIX(0.344)+CrE*FIX(0.285) - packssdw xmm3,xmm5 ; xmm3=CbO*-FIX(0.344)+CrO*FIX(0.285) - psubw xmm2,xmm6 ; xmm2=CbE*-FIX(0.344)+CrE*-FIX(0.714)=(G-Y)E - psubw xmm3,xmm7 ; xmm3=CbO*-FIX(0.344)+CrO*-FIX(0.714)=(G-Y)O - - movdqa xmm5, XMMWORD [esi] ; xmm5=Y(0123456789ABCDEF) - - pcmpeqw xmm4,xmm4 - psrlw xmm4,BYTE_BIT ; xmm4={0xFF 0x00 0xFF 0x00 ..} - pand xmm4,xmm5 ; xmm4=Y(02468ACE)=YE - psrlw xmm5,BYTE_BIT ; xmm5=Y(13579BDF)=YO - - paddw xmm0,xmm4 ; xmm0=((R-Y)E+YE)=RE=R(02468ACE) - paddw xmm1,xmm5 ; xmm1=((R-Y)O+YO)=RO=R(13579BDF) - packuswb xmm0,xmm0 ; xmm0=R(02468ACE********) - packuswb xmm1,xmm1 ; xmm1=R(13579BDF********) - - paddw xmm2,xmm4 ; xmm2=((G-Y)E+YE)=GE=G(02468ACE) - paddw xmm3,xmm5 ; xmm3=((G-Y)O+YO)=GO=G(13579BDF) - packuswb xmm2,xmm2 ; xmm2=G(02468ACE********) - packuswb xmm3,xmm3 ; xmm3=G(13579BDF********) - - paddw xmm4, XMMWORD [wk(0)] ; xmm4=(YE+(B-Y)E)=BE=B(02468ACE) - paddw xmm5, XMMWORD [wk(1)] ; xmm5=(YO+(B-Y)O)=BO=B(13579BDF) - packuswb xmm4,xmm4 ; xmm4=B(02468ACE********) - packuswb xmm5,xmm5 ; xmm5=B(13579BDF********) - -%if RGB_PIXELSIZE == 3 ; --------------- - - ; xmmA=(00 02 04 06 08 0A 0C 0E **), xmmB=(01 03 05 07 09 0B 0D 0F **) - ; xmmC=(10 12 14 16 18 1A 1C 1E **), xmmD=(11 13 15 17 19 1B 1D 1F **) - ; xmmE=(20 22 24 26 28 2A 2C 2E **), xmmF=(21 23 25 27 29 2B 2D 2F **) - ; xmmG=(** ** ** ** ** ** ** ** **), xmmH=(** ** ** ** ** ** ** ** **) - - punpcklbw xmmA,xmmC ; xmmA=(00 10 02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E) - punpcklbw xmmE,xmmB ; xmmE=(20 01 22 03 24 05 26 07 28 09 2A 0B 2C 0D 2E 0F) - punpcklbw xmmD,xmmF ; xmmD=(11 21 13 23 15 25 17 27 19 29 1B 2B 1D 2D 1F 2F) - - movdqa xmmG,xmmA - movdqa xmmH,xmmA - punpcklwd xmmA,xmmE ; xmmA=(00 10 20 01 02 12 22 03 04 14 24 05 06 16 26 07) - punpckhwd xmmG,xmmE ; xmmG=(08 18 28 09 0A 1A 2A 0B 0C 1C 2C 0D 0E 1E 2E 0F) - - psrldq xmmH,2 ; xmmH=(02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E -- --) - psrldq xmmE,2 ; xmmE=(22 03 24 05 26 07 28 09 2A 0B 2C 0D 2E 0F -- --) - - movdqa xmmC,xmmD - movdqa xmmB,xmmD - punpcklwd xmmD,xmmH ; xmmD=(11 21 02 12 13 23 04 14 15 25 06 16 17 27 08 18) - punpckhwd xmmC,xmmH ; xmmC=(19 29 0A 1A 1B 2B 0C 1C 1D 2D 0E 1E 1F 2F -- --) - - psrldq xmmB,2 ; xmmB=(13 23 15 25 17 27 19 29 1B 2B 1D 2D 1F 2F -- --) - - movdqa xmmF,xmmE - punpcklwd xmmE,xmmB ; xmmE=(22 03 13 23 24 05 15 25 26 07 17 27 28 09 19 29) - punpckhwd xmmF,xmmB ; xmmF=(2A 0B 1B 2B 2C 0D 1D 2D 2E 0F 1F 2F -- -- -- --) - - pshufd xmmH,xmmA,0x4E; xmmH=(04 14 24 05 06 16 26 07 00 10 20 01 02 12 22 03) - movdqa xmmB,xmmE - punpckldq xmmA,xmmD ; xmmA=(00 10 20 01 11 21 02 12 02 12 22 03 13 23 04 14) - punpckldq xmmE,xmmH ; xmmE=(22 03 13 23 04 14 24 05 24 05 15 25 06 16 26 07) - punpckhdq xmmD,xmmB ; xmmD=(15 25 06 16 26 07 17 27 17 27 08 18 28 09 19 29) - - pshufd xmmH,xmmG,0x4E; xmmH=(0C 1C 2C 0D 0E 1E 2E 0F 08 18 28 09 0A 1A 2A 0B) - movdqa xmmB,xmmF - punpckldq xmmG,xmmC ; xmmG=(08 18 28 09 19 29 0A 1A 0A 1A 2A 0B 1B 2B 0C 1C) - punpckldq xmmF,xmmH ; xmmF=(2A 0B 1B 2B 0C 1C 2C 0D 2C 0D 1D 2D 0E 1E 2E 0F) - punpckhdq xmmC,xmmB ; xmmC=(1D 2D 0E 1E 2E 0F 1F 2F 1F 2F -- -- -- -- -- --) - - punpcklqdq xmmA,xmmE ; xmmA=(00 10 20 01 11 21 02 12 22 03 13 23 04 14 24 05) - punpcklqdq xmmD,xmmG ; xmmD=(15 25 06 16 26 07 17 27 08 18 28 09 19 29 0A 1A) - punpcklqdq xmmF,xmmC ; xmmF=(2A 0B 1B 2B 0C 1C 2C 0D 1D 2D 0E 1E 2E 0F 1F 2F) - - cmp ecx, byte SIZEOF_XMMWORD - jb short .column_st32 - - test edi, SIZEOF_XMMWORD-1 - jnz short .out1 - ; --(aligned)------------------- - movntdq XMMWORD [edi+0*SIZEOF_XMMWORD], xmmA - movntdq XMMWORD [edi+1*SIZEOF_XMMWORD], xmmD - movntdq XMMWORD [edi+2*SIZEOF_XMMWORD], xmmF - add edi, byte RGB_PIXELSIZE*SIZEOF_XMMWORD ; outptr - jmp short .out0 -.out1: ; --(unaligned)----------------- - pcmpeqb xmmH,xmmH ; xmmH=(all 1's) - maskmovdqu xmmA,xmmH ; movntdqu XMMWORD [edi], xmmA - add edi, byte SIZEOF_XMMWORD ; outptr - maskmovdqu xmmD,xmmH ; movntdqu XMMWORD [edi], xmmD - add edi, byte SIZEOF_XMMWORD ; outptr - maskmovdqu xmmF,xmmH ; movntdqu XMMWORD [edi], xmmF - add edi, byte SIZEOF_XMMWORD ; outptr -.out0: - sub ecx, byte SIZEOF_XMMWORD - jz near .nextrow - - add esi, byte SIZEOF_XMMWORD ; inptr0 - add ebx, byte SIZEOF_XMMWORD ; inptr1 - add edx, byte SIZEOF_XMMWORD ; inptr2 - jmp near .columnloop - alignx 16,7 - -.column_st32: - pcmpeqb xmmH,xmmH ; xmmH=(all 1's) - lea ecx, [ecx+ecx*2] ; imul ecx, RGB_PIXELSIZE - cmp ecx, byte 2*SIZEOF_XMMWORD - jb short .column_st16 - maskmovdqu xmmA,xmmH ; movntdqu XMMWORD [edi], xmmA - add edi, byte SIZEOF_XMMWORD ; outptr - maskmovdqu xmmD,xmmH ; movntdqu XMMWORD [edi], xmmD - add edi, byte SIZEOF_XMMWORD ; outptr - movdqa xmmA,xmmF - sub ecx, byte 2*SIZEOF_XMMWORD - jmp short .column_st15 -.column_st16: - cmp ecx, byte SIZEOF_XMMWORD - jb short .column_st15 - maskmovdqu xmmA,xmmH ; movntdqu XMMWORD [edi], xmmA - add edi, byte SIZEOF_XMMWORD ; outptr - movdqa xmmA,xmmD - sub ecx, byte SIZEOF_XMMWORD -.column_st15: - mov eax,ecx - xor ecx, byte 0x0F - shl ecx, 2 - movd xmmB,ecx - psrlq xmmH,4 - pcmpeqb xmmE,xmmE - psrlq xmmH,xmmB - psrlq xmmE,xmmB - punpcklbw xmmE,xmmH - ; ---------------- - mov ecx,edi - and ecx, byte SIZEOF_XMMWORD-1 - jz short .adj0 - add eax,ecx - cmp eax, byte SIZEOF_XMMWORD - ja short .adj0 - and edi, byte (-SIZEOF_XMMWORD) ; align to 16-byte boundary - shl ecx, 3 ; pslldq xmmA,ecx & pslldq xmmE,ecx - movdqa xmmG,xmmA - movdqa xmmC,xmmE - pslldq xmmA, SIZEOF_XMMWORD/2 - pslldq xmmE, SIZEOF_XMMWORD/2 - movd xmmD,ecx - sub ecx, byte (SIZEOF_XMMWORD/2)*BYTE_BIT - jb short .adj1 - movd xmmF,ecx - psllq xmmA,xmmF - psllq xmmE,xmmF - jmp short .adj0 -.adj1: neg ecx - movd xmmF,ecx - psrlq xmmA,xmmF - psrlq xmmE,xmmF - psllq xmmG,xmmD - psllq xmmC,xmmD - por xmmA,xmmG - por xmmE,xmmC -.adj0: ; ---------------- - maskmovdqu xmmA,xmmE ; movntdqu XMMWORD [edi], xmmA - -%else ; RGB_PIXELSIZE == 4 ; ----------- - -%ifdef RGBX_FILLER_0XFF - pcmpeqb xmm6,xmm6 ; xmm6=XE=X(02468ACE********) - pcmpeqb xmm7,xmm7 ; xmm7=XO=X(13579BDF********) -%else - pxor xmm6,xmm6 ; xmm6=XE=X(02468ACE********) - pxor xmm7,xmm7 ; xmm7=XO=X(13579BDF********) -%endif - ; xmmA=(00 02 04 06 08 0A 0C 0E **), xmmB=(01 03 05 07 09 0B 0D 0F **) - ; xmmC=(10 12 14 16 18 1A 1C 1E **), xmmD=(11 13 15 17 19 1B 1D 1F **) - ; xmmE=(20 22 24 26 28 2A 2C 2E **), xmmF=(21 23 25 27 29 2B 2D 2F **) - ; xmmG=(30 32 34 36 38 3A 3C 3E **), xmmH=(31 33 35 37 39 3B 3D 3F **) - - punpcklbw xmmA,xmmC ; xmmA=(00 10 02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E) - punpcklbw xmmE,xmmG ; xmmE=(20 30 22 32 24 34 26 36 28 38 2A 3A 2C 3C 2E 3E) - punpcklbw xmmB,xmmD ; xmmB=(01 11 03 13 05 15 07 17 09 19 0B 1B 0D 1D 0F 1F) - punpcklbw xmmF,xmmH ; xmmF=(21 31 23 33 25 35 27 37 29 39 2B 3B 2D 3D 2F 3F) - - movdqa xmmC,xmmA - punpcklwd xmmA,xmmE ; xmmA=(00 10 20 30 02 12 22 32 04 14 24 34 06 16 26 36) - punpckhwd xmmC,xmmE ; xmmC=(08 18 28 38 0A 1A 2A 3A 0C 1C 2C 3C 0E 1E 2E 3E) - movdqa xmmG,xmmB - punpcklwd xmmB,xmmF ; xmmB=(01 11 21 31 03 13 23 33 05 15 25 35 07 17 27 37) - punpckhwd xmmG,xmmF ; xmmG=(09 19 29 39 0B 1B 2B 3B 0D 1D 2D 3D 0F 1F 2F 3F) - - movdqa xmmD,xmmA - punpckldq xmmA,xmmB ; xmmA=(00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33) - punpckhdq xmmD,xmmB ; xmmD=(04 14 24 34 05 15 25 35 06 16 26 36 07 17 27 37) - movdqa xmmH,xmmC - punpckldq xmmC,xmmG ; xmmC=(08 18 28 38 09 19 29 39 0A 1A 2A 3A 0B 1B 2B 3B) - punpckhdq xmmH,xmmG ; xmmH=(0C 1C 2C 3C 0D 1D 2D 3D 0E 1E 2E 3E 0F 1F 2F 3F) - - cmp ecx, byte SIZEOF_XMMWORD - jb short .column_st32 - - test edi, SIZEOF_XMMWORD-1 - jnz short .out1 - ; --(aligned)------------------- - movntdq XMMWORD [edi+0*SIZEOF_XMMWORD], xmmA - movntdq XMMWORD [edi+1*SIZEOF_XMMWORD], xmmD - movntdq XMMWORD [edi+2*SIZEOF_XMMWORD], xmmC - movntdq XMMWORD [edi+3*SIZEOF_XMMWORD], xmmH - add edi, byte RGB_PIXELSIZE*SIZEOF_XMMWORD ; outptr - jmp short .out0 -.out1: ; --(unaligned)----------------- - pcmpeqb xmmE,xmmE ; xmmE=(all 1's) - maskmovdqu xmmA,xmmE ; movntdqu XMMWORD [edi], xmmA - add edi, byte SIZEOF_XMMWORD ; outptr - maskmovdqu xmmD,xmmE ; movntdqu XMMWORD [edi], xmmD - add edi, byte SIZEOF_XMMWORD ; outptr - maskmovdqu xmmC,xmmE ; movntdqu XMMWORD [edi], xmmC - add edi, byte SIZEOF_XMMWORD ; outptr - maskmovdqu xmmH,xmmE ; movntdqu XMMWORD [edi], xmmH - add edi, byte SIZEOF_XMMWORD ; outptr -.out0: - sub ecx, byte SIZEOF_XMMWORD - jz near .nextrow - - add esi, byte SIZEOF_XMMWORD ; inptr0 - add ebx, byte SIZEOF_XMMWORD ; inptr1 - add edx, byte SIZEOF_XMMWORD ; inptr2 - jmp near .columnloop - alignx 16,7 - -.column_st32: - pcmpeqb xmmE,xmmE ; xmmE=(all 1's) - cmp ecx, byte SIZEOF_XMMWORD/2 - jb short .column_st16 - maskmovdqu xmmA,xmmE ; movntdqu XMMWORD [edi], xmmA - add edi, byte SIZEOF_XMMWORD ; outptr - maskmovdqu xmmD,xmmE ; movntdqu XMMWORD [edi], xmmD - add edi, byte SIZEOF_XMMWORD ; outptr - movdqa xmmA,xmmC - movdqa xmmD,xmmH - sub ecx, byte SIZEOF_XMMWORD/2 -.column_st16: - cmp ecx, byte SIZEOF_XMMWORD/4 - jb short .column_st15 - maskmovdqu xmmA,xmmE ; movntdqu XMMWORD [edi], xmmA - add edi, byte SIZEOF_XMMWORD ; outptr - movdqa xmmA,xmmD - sub ecx, byte SIZEOF_XMMWORD/4 -.column_st15: - cmp ecx, byte SIZEOF_XMMWORD/16 - jb short .nextrow - mov eax,ecx - xor ecx, byte 0x03 - inc ecx - shl ecx, 4 - movd xmmF,ecx - psrlq xmmE,xmmF - punpcklbw xmmE,xmmE - ; ---------------- - mov ecx,edi - and ecx, byte SIZEOF_XMMWORD-1 - jz short .adj0 - lea eax, [ecx+eax*4] ; RGB_PIXELSIZE - cmp eax, byte SIZEOF_XMMWORD - ja short .adj0 - and edi, byte (-SIZEOF_XMMWORD) ; align to 16-byte boundary - shl ecx, 3 ; pslldq xmmA,ecx & pslldq xmmE,ecx - movdqa xmmB,xmmA - movdqa xmmG,xmmE - pslldq xmmA, SIZEOF_XMMWORD/2 - pslldq xmmE, SIZEOF_XMMWORD/2 - movd xmmC,ecx - sub ecx, byte (SIZEOF_XMMWORD/2)*BYTE_BIT - jb short .adj1 - movd xmmH,ecx - psllq xmmA,xmmH - psllq xmmE,xmmH - jmp short .adj0 -.adj1: neg ecx - movd xmmH,ecx - psrlq xmmA,xmmH - psrlq xmmE,xmmH - psllq xmmB,xmmC - psllq xmmG,xmmC - por xmmA,xmmB - por xmmE,xmmG -.adj0: ; ---------------- - maskmovdqu xmmA,xmmE ; movntdqu XMMWORD [edi], xmmA - -%endif ; RGB_PIXELSIZE ; --------------- - - alignx 16,7 - -.nextrow: - pop ecx - pop esi - pop ebx - pop edx - pop edi - pop eax - - add esi, byte SIZEOF_JSAMPROW - add ebx, byte SIZEOF_JSAMPROW - add edx, byte SIZEOF_JSAMPROW - add edi, byte SIZEOF_JSAMPROW ; output_buf - dec eax ; num_rows - jg near .rowloop - - sfence ; flush the write buffer - -.return: - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved - pop ebx - mov esp,ebp ; esp <- aligned ebp - pop esp ; esp <- original ebp - pop ebp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jdcolmmx.asm b/common/jpeg/simd/jdcolmmx.asm deleted file mode 100644 index 58775e85..00000000 --- a/common/jpeg/simd/jdcolmmx.asm +++ /dev/null @@ -1,117 +0,0 @@ -; -; jdcolmmx.asm - colorspace conversion (MMX) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; Copyright 2009 D. R. Commander -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; [TAB8] - -%include "jsimdext.inc" - -; -------------------------------------------------------------------------- - -%define SCALEBITS 16 - -F_0_344 equ 22554 ; FIX(0.34414) -F_0_714 equ 46802 ; FIX(0.71414) -F_1_402 equ 91881 ; FIX(1.40200) -F_1_772 equ 116130 ; FIX(1.77200) -F_0_402 equ (F_1_402 - 65536) ; FIX(1.40200) - FIX(1) -F_0_285 equ ( 65536 - F_0_714) ; FIX(1) - FIX(0.71414) -F_0_228 equ (131072 - F_1_772) ; FIX(2) - FIX(1.77200) - -; -------------------------------------------------------------------------- - SECTION SEG_CONST - - alignz 16 - global EXTN(jconst_ycc_rgb_convert_mmx) - -EXTN(jconst_ycc_rgb_convert_mmx): - -PW_F0402 times 4 dw F_0_402 -PW_MF0228 times 4 dw -F_0_228 -PW_MF0344_F0285 times 2 dw -F_0_344, F_0_285 -PW_ONE times 4 dw 1 -PD_ONEHALF times 2 dd 1 << (SCALEBITS-1) - - alignz 16 - -; -------------------------------------------------------------------------- -%include "jdclrmmx.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 0 -%define RGB_GREEN 1 -%define RGB_BLUE 2 -%define RGB_PIXELSIZE 3 -%define jsimd_ycc_rgb_convert_mmx jsimd_ycc_extrgb_convert_mmx -%include "jdclrmmx.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 0 -%define RGB_GREEN 1 -%define RGB_BLUE 2 -%define RGB_PIXELSIZE 4 -%define jsimd_ycc_rgb_convert_mmx jsimd_ycc_extrgbx_convert_mmx -%include "jdclrmmx.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 2 -%define RGB_GREEN 1 -%define RGB_BLUE 0 -%define RGB_PIXELSIZE 3 -%define jsimd_ycc_rgb_convert_mmx jsimd_ycc_extbgr_convert_mmx -%include "jdclrmmx.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 2 -%define RGB_GREEN 1 -%define RGB_BLUE 0 -%define RGB_PIXELSIZE 4 -%define jsimd_ycc_rgb_convert_mmx jsimd_ycc_extbgrx_convert_mmx -%include "jdclrmmx.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 3 -%define RGB_GREEN 2 -%define RGB_BLUE 1 -%define RGB_PIXELSIZE 4 -%define jsimd_ycc_rgb_convert_mmx jsimd_ycc_extxbgr_convert_mmx -%include "jdclrmmx.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 1 -%define RGB_GREEN 2 -%define RGB_BLUE 3 -%define RGB_PIXELSIZE 4 -%define jsimd_ycc_rgb_convert_mmx jsimd_ycc_extxrgb_convert_mmx -%include "jdclrmmx.asm" diff --git a/common/jpeg/simd/jdcolss2-64.asm b/common/jpeg/simd/jdcolss2-64.asm deleted file mode 100644 index 2e97d593..00000000 --- a/common/jpeg/simd/jdcolss2-64.asm +++ /dev/null @@ -1,117 +0,0 @@ -; -; jdcolss2-64.asm - colorspace conversion (64-bit SSE2) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; Copyright 2009 D. R. Commander -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; [TAB8] - -%include "jsimdext.inc" - -; -------------------------------------------------------------------------- - -%define SCALEBITS 16 - -F_0_344 equ 22554 ; FIX(0.34414) -F_0_714 equ 46802 ; FIX(0.71414) -F_1_402 equ 91881 ; FIX(1.40200) -F_1_772 equ 116130 ; FIX(1.77200) -F_0_402 equ (F_1_402 - 65536) ; FIX(1.40200) - FIX(1) -F_0_285 equ ( 65536 - F_0_714) ; FIX(1) - FIX(0.71414) -F_0_228 equ (131072 - F_1_772) ; FIX(2) - FIX(1.77200) - -; -------------------------------------------------------------------------- - SECTION SEG_CONST - - alignz 16 - global EXTN(jconst_ycc_rgb_convert_sse2) - -EXTN(jconst_ycc_rgb_convert_sse2): - -PW_F0402 times 8 dw F_0_402 -PW_MF0228 times 8 dw -F_0_228 -PW_MF0344_F0285 times 4 dw -F_0_344, F_0_285 -PW_ONE times 8 dw 1 -PD_ONEHALF times 4 dd 1 << (SCALEBITS-1) - - alignz 16 - -; -------------------------------------------------------------------------- -%include "jdclrss2-64.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 0 -%define RGB_GREEN 1 -%define RGB_BLUE 2 -%define RGB_PIXELSIZE 3 -%define jsimd_ycc_rgb_convert_sse2 jsimd_ycc_extrgb_convert_sse2 -%include "jdclrss2-64.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 0 -%define RGB_GREEN 1 -%define RGB_BLUE 2 -%define RGB_PIXELSIZE 4 -%define jsimd_ycc_rgb_convert_sse2 jsimd_ycc_extrgbx_convert_sse2 -%include "jdclrss2-64.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 2 -%define RGB_GREEN 1 -%define RGB_BLUE 0 -%define RGB_PIXELSIZE 3 -%define jsimd_ycc_rgb_convert_sse2 jsimd_ycc_extbgr_convert_sse2 -%include "jdclrss2-64.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 2 -%define RGB_GREEN 1 -%define RGB_BLUE 0 -%define RGB_PIXELSIZE 4 -%define jsimd_ycc_rgb_convert_sse2 jsimd_ycc_extbgrx_convert_sse2 -%include "jdclrss2-64.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 3 -%define RGB_GREEN 2 -%define RGB_BLUE 1 -%define RGB_PIXELSIZE 4 -%define jsimd_ycc_rgb_convert_sse2 jsimd_ycc_extxbgr_convert_sse2 -%include "jdclrss2-64.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 1 -%define RGB_GREEN 2 -%define RGB_BLUE 3 -%define RGB_PIXELSIZE 4 -%define jsimd_ycc_rgb_convert_sse2 jsimd_ycc_extxrgb_convert_sse2 -%include "jdclrss2-64.asm" diff --git a/common/jpeg/simd/jdcolss2.asm b/common/jpeg/simd/jdcolss2.asm deleted file mode 100644 index 7ae985d6..00000000 --- a/common/jpeg/simd/jdcolss2.asm +++ /dev/null @@ -1,117 +0,0 @@ -; -; jdcolss2.asm - colorspace conversion (SSE2) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; Copyright 2009 D. R. Commander -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; [TAB8] - -%include "jsimdext.inc" - -; -------------------------------------------------------------------------- - -%define SCALEBITS 16 - -F_0_344 equ 22554 ; FIX(0.34414) -F_0_714 equ 46802 ; FIX(0.71414) -F_1_402 equ 91881 ; FIX(1.40200) -F_1_772 equ 116130 ; FIX(1.77200) -F_0_402 equ (F_1_402 - 65536) ; FIX(1.40200) - FIX(1) -F_0_285 equ ( 65536 - F_0_714) ; FIX(1) - FIX(0.71414) -F_0_228 equ (131072 - F_1_772) ; FIX(2) - FIX(1.77200) - -; -------------------------------------------------------------------------- - SECTION SEG_CONST - - alignz 16 - global EXTN(jconst_ycc_rgb_convert_sse2) - -EXTN(jconst_ycc_rgb_convert_sse2): - -PW_F0402 times 8 dw F_0_402 -PW_MF0228 times 8 dw -F_0_228 -PW_MF0344_F0285 times 4 dw -F_0_344, F_0_285 -PW_ONE times 8 dw 1 -PD_ONEHALF times 4 dd 1 << (SCALEBITS-1) - - alignz 16 - -; -------------------------------------------------------------------------- -%include "jdclrss2.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 0 -%define RGB_GREEN 1 -%define RGB_BLUE 2 -%define RGB_PIXELSIZE 3 -%define jsimd_ycc_rgb_convert_sse2 jsimd_ycc_extrgb_convert_sse2 -%include "jdclrss2.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 0 -%define RGB_GREEN 1 -%define RGB_BLUE 2 -%define RGB_PIXELSIZE 4 -%define jsimd_ycc_rgb_convert_sse2 jsimd_ycc_extrgbx_convert_sse2 -%include "jdclrss2.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 2 -%define RGB_GREEN 1 -%define RGB_BLUE 0 -%define RGB_PIXELSIZE 3 -%define jsimd_ycc_rgb_convert_sse2 jsimd_ycc_extbgr_convert_sse2 -%include "jdclrss2.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 2 -%define RGB_GREEN 1 -%define RGB_BLUE 0 -%define RGB_PIXELSIZE 4 -%define jsimd_ycc_rgb_convert_sse2 jsimd_ycc_extbgrx_convert_sse2 -%include "jdclrss2.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 3 -%define RGB_GREEN 2 -%define RGB_BLUE 1 -%define RGB_PIXELSIZE 4 -%define jsimd_ycc_rgb_convert_sse2 jsimd_ycc_extxbgr_convert_sse2 -%include "jdclrss2.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 1 -%define RGB_GREEN 2 -%define RGB_BLUE 3 -%define RGB_PIXELSIZE 4 -%define jsimd_ycc_rgb_convert_sse2 jsimd_ycc_extxrgb_convert_sse2 -%include "jdclrss2.asm" diff --git a/common/jpeg/simd/jdct.inc b/common/jpeg/simd/jdct.inc deleted file mode 100644 index cc627042..00000000 --- a/common/jpeg/simd/jdct.inc +++ /dev/null @@ -1,28 +0,0 @@ -; -; jdct.inc - private declarations for forward & reverse DCT subsystems -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; [TAB8] - -; Each IDCT routine is responsible for range-limiting its results and -; converting them to unsigned form (0..MAXJSAMPLE). The raw outputs could -; be quite far out of range if the input data is corrupt, so a bulletproof -; range-limiting step is required. We use a mask-and-table-lookup method -; to do the combined operations quickly. -; -%define RANGE_MASK (MAXJSAMPLE * 4 + 3) ; 2 bits wider than legal samples - -%define ROW(n,b,s) ((b)+(n)*(s)) -%define COL(n,b,s) ((b)+(n)*(s)*DCTSIZE) - -%define DWBLOCK(m,n,b,s) ((b)+(m)*DCTSIZE*(s)+(n)*SIZEOF_DWORD) -%define MMBLOCK(m,n,b,s) ((b)+(m)*DCTSIZE*(s)+(n)*SIZEOF_MMWORD) -%define XMMBLOCK(m,n,b,s) ((b)+(m)*DCTSIZE*(s)+(n)*SIZEOF_XMMWORD) - -; -------------------------------------------------------------------------- diff --git a/common/jpeg/simd/jdmermmx.asm b/common/jpeg/simd/jdmermmx.asm deleted file mode 100644 index fd587fbc..00000000 --- a/common/jpeg/simd/jdmermmx.asm +++ /dev/null @@ -1,123 +0,0 @@ -; -; jdmermmx.asm - merged upsampling/color conversion (MMX) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; Copyright 2009 D. R. Commander -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; [TAB8] - -%include "jsimdext.inc" - -; -------------------------------------------------------------------------- - -%define SCALEBITS 16 - -F_0_344 equ 22554 ; FIX(0.34414) -F_0_714 equ 46802 ; FIX(0.71414) -F_1_402 equ 91881 ; FIX(1.40200) -F_1_772 equ 116130 ; FIX(1.77200) -F_0_402 equ (F_1_402 - 65536) ; FIX(1.40200) - FIX(1) -F_0_285 equ ( 65536 - F_0_714) ; FIX(1) - FIX(0.71414) -F_0_228 equ (131072 - F_1_772) ; FIX(2) - FIX(1.77200) - -; -------------------------------------------------------------------------- - SECTION SEG_CONST - - alignz 16 - global EXTN(jconst_merged_upsample_mmx) - -EXTN(jconst_merged_upsample_mmx): - -PW_F0402 times 4 dw F_0_402 -PW_MF0228 times 4 dw -F_0_228 -PW_MF0344_F0285 times 2 dw -F_0_344, F_0_285 -PW_ONE times 4 dw 1 -PD_ONEHALF times 2 dd 1 << (SCALEBITS-1) - - alignz 16 - -; -------------------------------------------------------------------------- -%include "jdmrgmmx.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 0 -%define RGB_GREEN 1 -%define RGB_BLUE 2 -%define RGB_PIXELSIZE 3 -%define jsimd_h2v1_merged_upsample_mmx jsimd_h2v1_extrgb_merged_upsample_mmx -%define jsimd_h2v2_merged_upsample_mmx jsimd_h2v2_extrgb_merged_upsample_mmx -%include "jdmrgmmx.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 0 -%define RGB_GREEN 1 -%define RGB_BLUE 2 -%define RGB_PIXELSIZE 4 -%define jsimd_h2v1_merged_upsample_mmx jsimd_h2v1_extrgbx_merged_upsample_mmx -%define jsimd_h2v2_merged_upsample_mmx jsimd_h2v2_extrgbx_merged_upsample_mmx -%include "jdmrgmmx.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 2 -%define RGB_GREEN 1 -%define RGB_BLUE 0 -%define RGB_PIXELSIZE 3 -%define jsimd_h2v1_merged_upsample_mmx jsimd_h2v1_extbgr_merged_upsample_mmx -%define jsimd_h2v2_merged_upsample_mmx jsimd_h2v2_extbgr_merged_upsample_mmx -%include "jdmrgmmx.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 2 -%define RGB_GREEN 1 -%define RGB_BLUE 0 -%define RGB_PIXELSIZE 4 -%define jsimd_h2v1_merged_upsample_mmx jsimd_h2v1_extbgrx_merged_upsample_mmx -%define jsimd_h2v2_merged_upsample_mmx jsimd_h2v2_extbgrx_merged_upsample_mmx -%include "jdmrgmmx.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 3 -%define RGB_GREEN 2 -%define RGB_BLUE 1 -%define RGB_PIXELSIZE 4 -%define jsimd_h2v1_merged_upsample_mmx jsimd_h2v1_extxbgr_merged_upsample_mmx -%define jsimd_h2v2_merged_upsample_mmx jsimd_h2v2_extxbgr_merged_upsample_mmx -%include "jdmrgmmx.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 1 -%define RGB_GREEN 2 -%define RGB_BLUE 3 -%define RGB_PIXELSIZE 4 -%define jsimd_h2v1_merged_upsample_mmx jsimd_h2v1_extxrgb_merged_upsample_mmx -%define jsimd_h2v2_merged_upsample_mmx jsimd_h2v2_extxrgb_merged_upsample_mmx -%include "jdmrgmmx.asm" diff --git a/common/jpeg/simd/jdmerss2-64.asm b/common/jpeg/simd/jdmerss2-64.asm deleted file mode 100644 index 1f0b10fa..00000000 --- a/common/jpeg/simd/jdmerss2-64.asm +++ /dev/null @@ -1,123 +0,0 @@ -; -; jdmerss2-64.asm - merged upsampling/color conversion (64-bit SSE2) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; Copyright 2009 D. R. Commander -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; [TAB8] - -%include "jsimdext.inc" - -; -------------------------------------------------------------------------- - -%define SCALEBITS 16 - -F_0_344 equ 22554 ; FIX(0.34414) -F_0_714 equ 46802 ; FIX(0.71414) -F_1_402 equ 91881 ; FIX(1.40200) -F_1_772 equ 116130 ; FIX(1.77200) -F_0_402 equ (F_1_402 - 65536) ; FIX(1.40200) - FIX(1) -F_0_285 equ ( 65536 - F_0_714) ; FIX(1) - FIX(0.71414) -F_0_228 equ (131072 - F_1_772) ; FIX(2) - FIX(1.77200) - -; -------------------------------------------------------------------------- - SECTION SEG_CONST - - alignz 16 - global EXTN(jconst_merged_upsample_sse2) - -EXTN(jconst_merged_upsample_sse2): - -PW_F0402 times 8 dw F_0_402 -PW_MF0228 times 8 dw -F_0_228 -PW_MF0344_F0285 times 4 dw -F_0_344, F_0_285 -PW_ONE times 8 dw 1 -PD_ONEHALF times 4 dd 1 << (SCALEBITS-1) - - alignz 16 - -; -------------------------------------------------------------------------- -%include "jdmrgss2-64.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 0 -%define RGB_GREEN 1 -%define RGB_BLUE 2 -%define RGB_PIXELSIZE 3 -%define jsimd_h2v1_merged_upsample_sse2 jsimd_h2v1_extrgb_merged_upsample_sse2 -%define jsimd_h2v2_merged_upsample_sse2 jsimd_h2v2_extrgb_merged_upsample_sse2 -%include "jdmrgss2-64.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 0 -%define RGB_GREEN 1 -%define RGB_BLUE 2 -%define RGB_PIXELSIZE 4 -%define jsimd_h2v1_merged_upsample_sse2 jsimd_h2v1_extrgbx_merged_upsample_sse2 -%define jsimd_h2v2_merged_upsample_sse2 jsimd_h2v2_extrgbx_merged_upsample_sse2 -%include "jdmrgss2-64.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 2 -%define RGB_GREEN 1 -%define RGB_BLUE 0 -%define RGB_PIXELSIZE 3 -%define jsimd_h2v1_merged_upsample_sse2 jsimd_h2v1_extbgr_merged_upsample_sse2 -%define jsimd_h2v2_merged_upsample_sse2 jsimd_h2v2_extbgr_merged_upsample_sse2 -%include "jdmrgss2-64.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 2 -%define RGB_GREEN 1 -%define RGB_BLUE 0 -%define RGB_PIXELSIZE 4 -%define jsimd_h2v1_merged_upsample_sse2 jsimd_h2v1_extbgrx_merged_upsample_sse2 -%define jsimd_h2v2_merged_upsample_sse2 jsimd_h2v2_extbgrx_merged_upsample_sse2 -%include "jdmrgss2-64.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 3 -%define RGB_GREEN 2 -%define RGB_BLUE 1 -%define RGB_PIXELSIZE 4 -%define jsimd_h2v1_merged_upsample_sse2 jsimd_h2v1_extxbgr_merged_upsample_sse2 -%define jsimd_h2v2_merged_upsample_sse2 jsimd_h2v2_extxbgr_merged_upsample_sse2 -%include "jdmrgss2-64.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 1 -%define RGB_GREEN 2 -%define RGB_BLUE 3 -%define RGB_PIXELSIZE 4 -%define jsimd_h2v1_merged_upsample_sse2 jsimd_h2v1_extxrgb_merged_upsample_sse2 -%define jsimd_h2v2_merged_upsample_sse2 jsimd_h2v2_extxrgb_merged_upsample_sse2 -%include "jdmrgss2-64.asm" diff --git a/common/jpeg/simd/jdmerss2.asm b/common/jpeg/simd/jdmerss2.asm deleted file mode 100644 index 2294e0d3..00000000 --- a/common/jpeg/simd/jdmerss2.asm +++ /dev/null @@ -1,123 +0,0 @@ -; -; jdmerss2.asm - merged upsampling/color conversion (SSE2) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; Copyright 2009 D. R. Commander -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; [TAB8] - -%include "jsimdext.inc" - -; -------------------------------------------------------------------------- - -%define SCALEBITS 16 - -F_0_344 equ 22554 ; FIX(0.34414) -F_0_714 equ 46802 ; FIX(0.71414) -F_1_402 equ 91881 ; FIX(1.40200) -F_1_772 equ 116130 ; FIX(1.77200) -F_0_402 equ (F_1_402 - 65536) ; FIX(1.40200) - FIX(1) -F_0_285 equ ( 65536 - F_0_714) ; FIX(1) - FIX(0.71414) -F_0_228 equ (131072 - F_1_772) ; FIX(2) - FIX(1.77200) - -; -------------------------------------------------------------------------- - SECTION SEG_CONST - - alignz 16 - global EXTN(jconst_merged_upsample_sse2) - -EXTN(jconst_merged_upsample_sse2): - -PW_F0402 times 8 dw F_0_402 -PW_MF0228 times 8 dw -F_0_228 -PW_MF0344_F0285 times 4 dw -F_0_344, F_0_285 -PW_ONE times 8 dw 1 -PD_ONEHALF times 4 dd 1 << (SCALEBITS-1) - - alignz 16 - -; -------------------------------------------------------------------------- -%include "jdmrgss2.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 0 -%define RGB_GREEN 1 -%define RGB_BLUE 2 -%define RGB_PIXELSIZE 3 -%define jsimd_h2v1_merged_upsample_sse2 jsimd_h2v1_extrgb_merged_upsample_sse2 -%define jsimd_h2v2_merged_upsample_sse2 jsimd_h2v2_extrgb_merged_upsample_sse2 -%include "jdmrgss2.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 0 -%define RGB_GREEN 1 -%define RGB_BLUE 2 -%define RGB_PIXELSIZE 4 -%define jsimd_h2v1_merged_upsample_sse2 jsimd_h2v1_extrgbx_merged_upsample_sse2 -%define jsimd_h2v2_merged_upsample_sse2 jsimd_h2v2_extrgbx_merged_upsample_sse2 -%include "jdmrgss2.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 2 -%define RGB_GREEN 1 -%define RGB_BLUE 0 -%define RGB_PIXELSIZE 3 -%define jsimd_h2v1_merged_upsample_sse2 jsimd_h2v1_extbgr_merged_upsample_sse2 -%define jsimd_h2v2_merged_upsample_sse2 jsimd_h2v2_extbgr_merged_upsample_sse2 -%include "jdmrgss2.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 2 -%define RGB_GREEN 1 -%define RGB_BLUE 0 -%define RGB_PIXELSIZE 4 -%define jsimd_h2v1_merged_upsample_sse2 jsimd_h2v1_extbgrx_merged_upsample_sse2 -%define jsimd_h2v2_merged_upsample_sse2 jsimd_h2v2_extbgrx_merged_upsample_sse2 -%include "jdmrgss2.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 3 -%define RGB_GREEN 2 -%define RGB_BLUE 1 -%define RGB_PIXELSIZE 4 -%define jsimd_h2v1_merged_upsample_sse2 jsimd_h2v1_extxbgr_merged_upsample_sse2 -%define jsimd_h2v2_merged_upsample_sse2 jsimd_h2v2_extxbgr_merged_upsample_sse2 -%include "jdmrgss2.asm" - -%undef RGB_RED -%undef RGB_GREEN -%undef RGB_BLUE -%undef RGB_PIXELSIZE -%define RGB_RED 1 -%define RGB_GREEN 2 -%define RGB_BLUE 3 -%define RGB_PIXELSIZE 4 -%define jsimd_h2v1_merged_upsample_sse2 jsimd_h2v1_extxrgb_merged_upsample_sse2 -%define jsimd_h2v2_merged_upsample_sse2 jsimd_h2v2_extxrgb_merged_upsample_sse2 -%include "jdmrgss2.asm" diff --git a/common/jpeg/simd/jdmrgmmx.asm b/common/jpeg/simd/jdmrgmmx.asm deleted file mode 100644 index b5777a3e..00000000 --- a/common/jpeg/simd/jdmrgmmx.asm +++ /dev/null @@ -1,466 +0,0 @@ -; -; jdmrgmmx.asm - merged upsampling/color conversion (MMX) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; [TAB8] - -%include "jcolsamp.inc" - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 32 -; -; Upsample and color convert for the case of 2:1 horizontal and 1:1 vertical. -; -; GLOBAL(void) -; jsimd_h2v1_merged_upsample_mmx (JDIMENSION output_width, -; JSAMPIMAGE input_buf, -; JDIMENSION in_row_group_ctr, -; JSAMPARRAY output_buf); -; - -%define output_width(b) (b)+8 ; JDIMENSION output_width -%define input_buf(b) (b)+12 ; JSAMPIMAGE input_buf -%define in_row_group_ctr(b) (b)+16 ; JDIMENSION in_row_group_ctr -%define output_buf(b) (b)+20 ; JSAMPARRAY output_buf - -%define original_ebp ebp+0 -%define wk(i) ebp-(WK_NUM-(i))*SIZEOF_MMWORD ; mmword wk[WK_NUM] -%define WK_NUM 3 -%define gotptr wk(0)-SIZEOF_POINTER ; void * gotptr - - align 16 - global EXTN(jsimd_h2v1_merged_upsample_mmx) - -EXTN(jsimd_h2v1_merged_upsample_mmx): - push ebp - mov eax,esp ; eax = original ebp - sub esp, byte 4 - and esp, byte (-SIZEOF_MMWORD) ; align to 64 bits - mov [esp],eax - mov ebp,esp ; ebp = aligned ebp - lea esp, [wk(0)] - pushpic eax ; make a room for GOT address - push ebx -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - get_GOT ebx ; get GOT address - movpic POINTER [gotptr], ebx ; save GOT address - - mov ecx, JDIMENSION [output_width(eax)] ; col - test ecx,ecx - jz near .return - - push ecx - - mov edi, JSAMPIMAGE [input_buf(eax)] - mov ecx, JDIMENSION [in_row_group_ctr(eax)] - mov esi, JSAMPARRAY [edi+0*SIZEOF_JSAMPARRAY] - mov ebx, JSAMPARRAY [edi+1*SIZEOF_JSAMPARRAY] - mov edx, JSAMPARRAY [edi+2*SIZEOF_JSAMPARRAY] - mov edi, JSAMPARRAY [output_buf(eax)] - mov esi, JSAMPROW [esi+ecx*SIZEOF_JSAMPROW] ; inptr0 - mov ebx, JSAMPROW [ebx+ecx*SIZEOF_JSAMPROW] ; inptr1 - mov edx, JSAMPROW [edx+ecx*SIZEOF_JSAMPROW] ; inptr2 - mov edi, JSAMPROW [edi] ; outptr - - pop ecx ; col - - alignx 16,7 -.columnloop: - movpic eax, POINTER [gotptr] ; load GOT address (eax) - - movq mm6, MMWORD [ebx] ; mm6=Cb(01234567) - movq mm7, MMWORD [edx] ; mm7=Cr(01234567) - - pxor mm1,mm1 ; mm1=(all 0's) - pcmpeqw mm3,mm3 - psllw mm3,7 ; mm3={0xFF80 0xFF80 0xFF80 0xFF80} - - movq mm4,mm6 - punpckhbw mm6,mm1 ; mm6=Cb(4567)=CbH - punpcklbw mm4,mm1 ; mm4=Cb(0123)=CbL - movq mm0,mm7 - punpckhbw mm7,mm1 ; mm7=Cr(4567)=CrH - punpcklbw mm0,mm1 ; mm0=Cr(0123)=CrL - - paddw mm6,mm3 - paddw mm4,mm3 - paddw mm7,mm3 - paddw mm0,mm3 - - ; (Original) - ; R = Y + 1.40200 * Cr - ; G = Y - 0.34414 * Cb - 0.71414 * Cr - ; B = Y + 1.77200 * Cb - ; - ; (This implementation) - ; R = Y + 0.40200 * Cr + Cr - ; G = Y - 0.34414 * Cb + 0.28586 * Cr - Cr - ; B = Y - 0.22800 * Cb + Cb + Cb - - movq mm5,mm6 ; mm5=CbH - movq mm2,mm4 ; mm2=CbL - paddw mm6,mm6 ; mm6=2*CbH - paddw mm4,mm4 ; mm4=2*CbL - movq mm1,mm7 ; mm1=CrH - movq mm3,mm0 ; mm3=CrL - paddw mm7,mm7 ; mm7=2*CrH - paddw mm0,mm0 ; mm0=2*CrL - - pmulhw mm6,[GOTOFF(eax,PW_MF0228)] ; mm6=(2*CbH * -FIX(0.22800)) - pmulhw mm4,[GOTOFF(eax,PW_MF0228)] ; mm4=(2*CbL * -FIX(0.22800)) - pmulhw mm7,[GOTOFF(eax,PW_F0402)] ; mm7=(2*CrH * FIX(0.40200)) - pmulhw mm0,[GOTOFF(eax,PW_F0402)] ; mm0=(2*CrL * FIX(0.40200)) - - paddw mm6,[GOTOFF(eax,PW_ONE)] - paddw mm4,[GOTOFF(eax,PW_ONE)] - psraw mm6,1 ; mm6=(CbH * -FIX(0.22800)) - psraw mm4,1 ; mm4=(CbL * -FIX(0.22800)) - paddw mm7,[GOTOFF(eax,PW_ONE)] - paddw mm0,[GOTOFF(eax,PW_ONE)] - psraw mm7,1 ; mm7=(CrH * FIX(0.40200)) - psraw mm0,1 ; mm0=(CrL * FIX(0.40200)) - - paddw mm6,mm5 - paddw mm4,mm2 - paddw mm6,mm5 ; mm6=(CbH * FIX(1.77200))=(B-Y)H - paddw mm4,mm2 ; mm4=(CbL * FIX(1.77200))=(B-Y)L - paddw mm7,mm1 ; mm7=(CrH * FIX(1.40200))=(R-Y)H - paddw mm0,mm3 ; mm0=(CrL * FIX(1.40200))=(R-Y)L - - movq MMWORD [wk(0)], mm6 ; wk(0)=(B-Y)H - movq MMWORD [wk(1)], mm7 ; wk(1)=(R-Y)H - - movq mm6,mm5 - movq mm7,mm2 - punpcklwd mm5,mm1 - punpckhwd mm6,mm1 - pmaddwd mm5,[GOTOFF(eax,PW_MF0344_F0285)] - pmaddwd mm6,[GOTOFF(eax,PW_MF0344_F0285)] - punpcklwd mm2,mm3 - punpckhwd mm7,mm3 - pmaddwd mm2,[GOTOFF(eax,PW_MF0344_F0285)] - pmaddwd mm7,[GOTOFF(eax,PW_MF0344_F0285)] - - paddd mm5,[GOTOFF(eax,PD_ONEHALF)] - paddd mm6,[GOTOFF(eax,PD_ONEHALF)] - psrad mm5,SCALEBITS - psrad mm6,SCALEBITS - paddd mm2,[GOTOFF(eax,PD_ONEHALF)] - paddd mm7,[GOTOFF(eax,PD_ONEHALF)] - psrad mm2,SCALEBITS - psrad mm7,SCALEBITS - - packssdw mm5,mm6 ; mm5=CbH*-FIX(0.344)+CrH*FIX(0.285) - packssdw mm2,mm7 ; mm2=CbL*-FIX(0.344)+CrL*FIX(0.285) - psubw mm5,mm1 ; mm5=CbH*-FIX(0.344)+CrH*-FIX(0.714)=(G-Y)H - psubw mm2,mm3 ; mm2=CbL*-FIX(0.344)+CrL*-FIX(0.714)=(G-Y)L - - movq MMWORD [wk(2)], mm5 ; wk(2)=(G-Y)H - - mov al,2 ; Yctr - jmp short .Yloop_1st - alignx 16,7 - -.Yloop_2nd: - movq mm0, MMWORD [wk(1)] ; mm0=(R-Y)H - movq mm2, MMWORD [wk(2)] ; mm2=(G-Y)H - movq mm4, MMWORD [wk(0)] ; mm4=(B-Y)H - alignx 16,7 - -.Yloop_1st: - movq mm7, MMWORD [esi] ; mm7=Y(01234567) - - pcmpeqw mm6,mm6 - psrlw mm6,BYTE_BIT ; mm6={0xFF 0x00 0xFF 0x00 ..} - pand mm6,mm7 ; mm6=Y(0246)=YE - psrlw mm7,BYTE_BIT ; mm7=Y(1357)=YO - - movq mm1,mm0 ; mm1=mm0=(R-Y)(L/H) - movq mm3,mm2 ; mm3=mm2=(G-Y)(L/H) - movq mm5,mm4 ; mm5=mm4=(B-Y)(L/H) - - paddw mm0,mm6 ; mm0=((R-Y)+YE)=RE=(R0 R2 R4 R6) - paddw mm1,mm7 ; mm1=((R-Y)+YO)=RO=(R1 R3 R5 R7) - packuswb mm0,mm0 ; mm0=(R0 R2 R4 R6 ** ** ** **) - packuswb mm1,mm1 ; mm1=(R1 R3 R5 R7 ** ** ** **) - - paddw mm2,mm6 ; mm2=((G-Y)+YE)=GE=(G0 G2 G4 G6) - paddw mm3,mm7 ; mm3=((G-Y)+YO)=GO=(G1 G3 G5 G7) - packuswb mm2,mm2 ; mm2=(G0 G2 G4 G6 ** ** ** **) - packuswb mm3,mm3 ; mm3=(G1 G3 G5 G7 ** ** ** **) - - paddw mm4,mm6 ; mm4=((B-Y)+YE)=BE=(B0 B2 B4 B6) - paddw mm5,mm7 ; mm5=((B-Y)+YO)=BO=(B1 B3 B5 B7) - packuswb mm4,mm4 ; mm4=(B0 B2 B4 B6 ** ** ** **) - packuswb mm5,mm5 ; mm5=(B1 B3 B5 B7 ** ** ** **) - -%if RGB_PIXELSIZE == 3 ; --------------- - - ; mmA=(00 02 04 06 ** ** ** **), mmB=(01 03 05 07 ** ** ** **) - ; mmC=(10 12 14 16 ** ** ** **), mmD=(11 13 15 17 ** ** ** **) - ; mmE=(20 22 24 26 ** ** ** **), mmF=(21 23 25 27 ** ** ** **) - ; mmG=(** ** ** ** ** ** ** **), mmH=(** ** ** ** ** ** ** **) - - punpcklbw mmA,mmC ; mmA=(00 10 02 12 04 14 06 16) - punpcklbw mmE,mmB ; mmE=(20 01 22 03 24 05 26 07) - punpcklbw mmD,mmF ; mmD=(11 21 13 23 15 25 17 27) - - movq mmG,mmA - movq mmH,mmA - punpcklwd mmA,mmE ; mmA=(00 10 20 01 02 12 22 03) - punpckhwd mmG,mmE ; mmG=(04 14 24 05 06 16 26 07) - - psrlq mmH,2*BYTE_BIT ; mmH=(02 12 04 14 06 16 -- --) - psrlq mmE,2*BYTE_BIT ; mmE=(22 03 24 05 26 07 -- --) - - movq mmC,mmD - movq mmB,mmD - punpcklwd mmD,mmH ; mmD=(11 21 02 12 13 23 04 14) - punpckhwd mmC,mmH ; mmC=(15 25 06 16 17 27 -- --) - - psrlq mmB,2*BYTE_BIT ; mmB=(13 23 15 25 17 27 -- --) - - movq mmF,mmE - punpcklwd mmE,mmB ; mmE=(22 03 13 23 24 05 15 25) - punpckhwd mmF,mmB ; mmF=(26 07 17 27 -- -- -- --) - - punpckldq mmA,mmD ; mmA=(00 10 20 01 11 21 02 12) - punpckldq mmE,mmG ; mmE=(22 03 13 23 04 14 24 05) - punpckldq mmC,mmF ; mmC=(15 25 06 16 26 07 17 27) - - cmp ecx, byte SIZEOF_MMWORD - jb short .column_st16 - - movq MMWORD [edi+0*SIZEOF_MMWORD], mmA - movq MMWORD [edi+1*SIZEOF_MMWORD], mmE - movq MMWORD [edi+2*SIZEOF_MMWORD], mmC - - sub ecx, byte SIZEOF_MMWORD - jz near .endcolumn - - add edi, byte RGB_PIXELSIZE*SIZEOF_MMWORD ; outptr - add esi, byte SIZEOF_MMWORD ; inptr0 - dec al ; Yctr - jnz near .Yloop_2nd - - add ebx, byte SIZEOF_MMWORD ; inptr1 - add edx, byte SIZEOF_MMWORD ; inptr2 - jmp near .columnloop - alignx 16,7 - -.column_st16: - lea ecx, [ecx+ecx*2] ; imul ecx, RGB_PIXELSIZE - cmp ecx, byte 2*SIZEOF_MMWORD - jb short .column_st8 - movq MMWORD [edi+0*SIZEOF_MMWORD], mmA - movq MMWORD [edi+1*SIZEOF_MMWORD], mmE - movq mmA,mmC - sub ecx, byte 2*SIZEOF_MMWORD - add edi, byte 2*SIZEOF_MMWORD - jmp short .column_st4 -.column_st8: - cmp ecx, byte SIZEOF_MMWORD - jb short .column_st4 - movq MMWORD [edi+0*SIZEOF_MMWORD], mmA - movq mmA,mmE - sub ecx, byte SIZEOF_MMWORD - add edi, byte SIZEOF_MMWORD -.column_st4: - movd eax,mmA - cmp ecx, byte SIZEOF_DWORD - jb short .column_st2 - mov DWORD [edi+0*SIZEOF_DWORD], eax - psrlq mmA,DWORD_BIT - movd eax,mmA - sub ecx, byte SIZEOF_DWORD - add edi, byte SIZEOF_DWORD -.column_st2: - cmp ecx, byte SIZEOF_WORD - jb short .column_st1 - mov WORD [edi+0*SIZEOF_WORD], ax - shr eax,WORD_BIT - sub ecx, byte SIZEOF_WORD - add edi, byte SIZEOF_WORD -.column_st1: - cmp ecx, byte SIZEOF_BYTE - jb short .endcolumn - mov BYTE [edi+0*SIZEOF_BYTE], al - -%else ; RGB_PIXELSIZE == 4 ; ----------- - -%ifdef RGBX_FILLER_0XFF - pcmpeqb mm6,mm6 ; mm6=(X0 X2 X4 X6 ** ** ** **) - pcmpeqb mm7,mm7 ; mm7=(X1 X3 X5 X7 ** ** ** **) -%else - pxor mm6,mm6 ; mm6=(X0 X2 X4 X6 ** ** ** **) - pxor mm7,mm7 ; mm7=(X1 X3 X5 X7 ** ** ** **) -%endif - ; mmA=(00 02 04 06 ** ** ** **), mmB=(01 03 05 07 ** ** ** **) - ; mmC=(10 12 14 16 ** ** ** **), mmD=(11 13 15 17 ** ** ** **) - ; mmE=(20 22 24 26 ** ** ** **), mmF=(21 23 25 27 ** ** ** **) - ; mmG=(30 32 34 36 ** ** ** **), mmH=(31 33 35 37 ** ** ** **) - - punpcklbw mmA,mmC ; mmA=(00 10 02 12 04 14 06 16) - punpcklbw mmE,mmG ; mmE=(20 30 22 32 24 34 26 36) - punpcklbw mmB,mmD ; mmB=(01 11 03 13 05 15 07 17) - punpcklbw mmF,mmH ; mmF=(21 31 23 33 25 35 27 37) - - movq mmC,mmA - punpcklwd mmA,mmE ; mmA=(00 10 20 30 02 12 22 32) - punpckhwd mmC,mmE ; mmC=(04 14 24 34 06 16 26 36) - movq mmG,mmB - punpcklwd mmB,mmF ; mmB=(01 11 21 31 03 13 23 33) - punpckhwd mmG,mmF ; mmG=(05 15 25 35 07 17 27 37) - - movq mmD,mmA - punpckldq mmA,mmB ; mmA=(00 10 20 30 01 11 21 31) - punpckhdq mmD,mmB ; mmD=(02 12 22 32 03 13 23 33) - movq mmH,mmC - punpckldq mmC,mmG ; mmC=(04 14 24 34 05 15 25 35) - punpckhdq mmH,mmG ; mmH=(06 16 26 36 07 17 27 37) - - cmp ecx, byte SIZEOF_MMWORD - jb short .column_st16 - - movq MMWORD [edi+0*SIZEOF_MMWORD], mmA - movq MMWORD [edi+1*SIZEOF_MMWORD], mmD - movq MMWORD [edi+2*SIZEOF_MMWORD], mmC - movq MMWORD [edi+3*SIZEOF_MMWORD], mmH - - sub ecx, byte SIZEOF_MMWORD - jz short .endcolumn - - add edi, byte RGB_PIXELSIZE*SIZEOF_MMWORD ; outptr - add esi, byte SIZEOF_MMWORD ; inptr0 - dec al ; Yctr - jnz near .Yloop_2nd - - add ebx, byte SIZEOF_MMWORD ; inptr1 - add edx, byte SIZEOF_MMWORD ; inptr2 - jmp near .columnloop - alignx 16,7 - -.column_st16: - cmp ecx, byte SIZEOF_MMWORD/2 - jb short .column_st8 - movq MMWORD [edi+0*SIZEOF_MMWORD], mmA - movq MMWORD [edi+1*SIZEOF_MMWORD], mmD - movq mmA,mmC - movq mmD,mmH - sub ecx, byte SIZEOF_MMWORD/2 - add edi, byte 2*SIZEOF_MMWORD -.column_st8: - cmp ecx, byte SIZEOF_MMWORD/4 - jb short .column_st4 - movq MMWORD [edi+0*SIZEOF_MMWORD], mmA - movq mmA,mmD - sub ecx, byte SIZEOF_MMWORD/4 - add edi, byte 1*SIZEOF_MMWORD -.column_st4: - cmp ecx, byte SIZEOF_MMWORD/8 - jb short .endcolumn - movd DWORD [edi+0*SIZEOF_DWORD], mmA - -%endif ; RGB_PIXELSIZE ; --------------- - -.endcolumn: - emms ; empty MMX state - -.return: - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved - pop ebx - mov esp,ebp ; esp <- aligned ebp - pop esp ; esp <- original ebp - pop ebp - ret - -; -------------------------------------------------------------------------- -; -; Upsample and color convert for the case of 2:1 horizontal and 2:1 vertical. -; -; GLOBAL(void) -; jsimd_h2v2_merged_upsample_mmx (JDIMENSION output_width, -; JSAMPIMAGE input_buf, -; JDIMENSION in_row_group_ctr, -; JSAMPARRAY output_buf); -; - -%define output_width(b) (b)+8 ; JDIMENSION output_width -%define input_buf(b) (b)+12 ; JSAMPIMAGE input_buf -%define in_row_group_ctr(b) (b)+16 ; JDIMENSION in_row_group_ctr -%define output_buf(b) (b)+20 ; JSAMPARRAY output_buf - - align 16 - global EXTN(jsimd_h2v2_merged_upsample_mmx) - -EXTN(jsimd_h2v2_merged_upsample_mmx): - push ebp - mov ebp,esp - push ebx -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - mov eax, JDIMENSION [output_width(ebp)] - - mov edi, JSAMPIMAGE [input_buf(ebp)] - mov ecx, JDIMENSION [in_row_group_ctr(ebp)] - mov esi, JSAMPARRAY [edi+0*SIZEOF_JSAMPARRAY] - mov ebx, JSAMPARRAY [edi+1*SIZEOF_JSAMPARRAY] - mov edx, JSAMPARRAY [edi+2*SIZEOF_JSAMPARRAY] - mov edi, JSAMPARRAY [output_buf(ebp)] - lea esi, [esi+ecx*SIZEOF_JSAMPROW] - - push edx ; inptr2 - push ebx ; inptr1 - push esi ; inptr00 - mov ebx,esp - - push edi ; output_buf (outptr0) - push ecx ; in_row_group_ctr - push ebx ; input_buf - push eax ; output_width - - call near EXTN(jsimd_h2v1_merged_upsample_mmx) - - add esi, byte SIZEOF_JSAMPROW ; inptr01 - add edi, byte SIZEOF_JSAMPROW ; outptr1 - mov POINTER [ebx+0*SIZEOF_POINTER], esi - mov POINTER [ebx-1*SIZEOF_POINTER], edi - - call near EXTN(jsimd_h2v1_merged_upsample_mmx) - - add esp, byte 7*SIZEOF_DWORD - - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved - pop ebx - pop ebp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jdmrgss2-64.asm b/common/jpeg/simd/jdmrgss2-64.asm deleted file mode 100644 index 121bb82b..00000000 --- a/common/jpeg/simd/jdmrgss2-64.asm +++ /dev/null @@ -1,584 +0,0 @@ -; -; jdmrgss2-64.asm - merged upsampling/color conversion (64-bit SSE2) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; Copyright 2009 D. R. Commander -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ for -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; [TAB8] - -%include "jcolsamp.inc" - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 64 -; -; Upsample and color convert for the case of 2:1 horizontal and 1:1 vertical. -; -; GLOBAL(void) -; jsimd_h2v1_merged_upsample_sse2 (JDIMENSION output_width, -; JSAMPIMAGE input_buf, -; JDIMENSION in_row_group_ctr, -; JSAMPARRAY output_buf); -; - -; r10 = JDIMENSION output_width -; r11 = JSAMPIMAGE input_buf -; r12 = JDIMENSION in_row_group_ctr -; r13 = JSAMPARRAY output_buf - -%define wk(i) rbp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM] -%define WK_NUM 3 - - align 16 - global EXTN(jsimd_h2v1_merged_upsample_sse2) - -EXTN(jsimd_h2v1_merged_upsample_sse2): - push rbp - mov rax,rsp ; rax = original rbp - sub rsp, byte 4 - and rsp, byte (-SIZEOF_XMMWORD) ; align to 128 bits - mov [rsp],rax - mov rbp,rsp ; rbp = aligned rbp - lea rsp, [wk(0)] - collect_args - push rbx - - mov rcx, r10 ; col - test rcx,rcx - jz near .return - - push rcx - - mov rdi, r11 - mov rcx, r12 - mov rsi, JSAMPARRAY [rdi+0*SIZEOF_JSAMPARRAY] - mov rbx, JSAMPARRAY [rdi+1*SIZEOF_JSAMPARRAY] - mov rdx, JSAMPARRAY [rdi+2*SIZEOF_JSAMPARRAY] - mov rdi, r13 - mov rsi, JSAMPROW [rsi+rcx*SIZEOF_JSAMPROW] ; inptr0 - mov rbx, JSAMPROW [rbx+rcx*SIZEOF_JSAMPROW] ; inptr1 - mov rdx, JSAMPROW [rdx+rcx*SIZEOF_JSAMPROW] ; inptr2 - mov rdi, JSAMPROW [rdi] ; outptr - - pop rcx ; col - -.columnloop: - - movdqa xmm6, XMMWORD [rbx] ; xmm6=Cb(0123456789ABCDEF) - movdqa xmm7, XMMWORD [rdx] ; xmm7=Cr(0123456789ABCDEF) - - pxor xmm1,xmm1 ; xmm1=(all 0's) - pcmpeqw xmm3,xmm3 - psllw xmm3,7 ; xmm3={0xFF80 0xFF80 0xFF80 0xFF80 ..} - - movdqa xmm4,xmm6 - punpckhbw xmm6,xmm1 ; xmm6=Cb(89ABCDEF)=CbH - punpcklbw xmm4,xmm1 ; xmm4=Cb(01234567)=CbL - movdqa xmm0,xmm7 - punpckhbw xmm7,xmm1 ; xmm7=Cr(89ABCDEF)=CrH - punpcklbw xmm0,xmm1 ; xmm0=Cr(01234567)=CrL - - paddw xmm6,xmm3 - paddw xmm4,xmm3 - paddw xmm7,xmm3 - paddw xmm0,xmm3 - - ; (Original) - ; R = Y + 1.40200 * Cr - ; G = Y - 0.34414 * Cb - 0.71414 * Cr - ; B = Y + 1.77200 * Cb - ; - ; (This implementation) - ; R = Y + 0.40200 * Cr + Cr - ; G = Y - 0.34414 * Cb + 0.28586 * Cr - Cr - ; B = Y - 0.22800 * Cb + Cb + Cb - - movdqa xmm5,xmm6 ; xmm5=CbH - movdqa xmm2,xmm4 ; xmm2=CbL - paddw xmm6,xmm6 ; xmm6=2*CbH - paddw xmm4,xmm4 ; xmm4=2*CbL - movdqa xmm1,xmm7 ; xmm1=CrH - movdqa xmm3,xmm0 ; xmm3=CrL - paddw xmm7,xmm7 ; xmm7=2*CrH - paddw xmm0,xmm0 ; xmm0=2*CrL - - pmulhw xmm6,[rel PW_MF0228] ; xmm6=(2*CbH * -FIX(0.22800)) - pmulhw xmm4,[rel PW_MF0228] ; xmm4=(2*CbL * -FIX(0.22800)) - pmulhw xmm7,[rel PW_F0402] ; xmm7=(2*CrH * FIX(0.40200)) - pmulhw xmm0,[rel PW_F0402] ; xmm0=(2*CrL * FIX(0.40200)) - - paddw xmm6,[rel PW_ONE] - paddw xmm4,[rel PW_ONE] - psraw xmm6,1 ; xmm6=(CbH * -FIX(0.22800)) - psraw xmm4,1 ; xmm4=(CbL * -FIX(0.22800)) - paddw xmm7,[rel PW_ONE] - paddw xmm0,[rel PW_ONE] - psraw xmm7,1 ; xmm7=(CrH * FIX(0.40200)) - psraw xmm0,1 ; xmm0=(CrL * FIX(0.40200)) - - paddw xmm6,xmm5 - paddw xmm4,xmm2 - paddw xmm6,xmm5 ; xmm6=(CbH * FIX(1.77200))=(B-Y)H - paddw xmm4,xmm2 ; xmm4=(CbL * FIX(1.77200))=(B-Y)L - paddw xmm7,xmm1 ; xmm7=(CrH * FIX(1.40200))=(R-Y)H - paddw xmm0,xmm3 ; xmm0=(CrL * FIX(1.40200))=(R-Y)L - - movdqa XMMWORD [wk(0)], xmm6 ; wk(0)=(B-Y)H - movdqa XMMWORD [wk(1)], xmm7 ; wk(1)=(R-Y)H - - movdqa xmm6,xmm5 - movdqa xmm7,xmm2 - punpcklwd xmm5,xmm1 - punpckhwd xmm6,xmm1 - pmaddwd xmm5,[rel PW_MF0344_F0285] - pmaddwd xmm6,[rel PW_MF0344_F0285] - punpcklwd xmm2,xmm3 - punpckhwd xmm7,xmm3 - pmaddwd xmm2,[rel PW_MF0344_F0285] - pmaddwd xmm7,[rel PW_MF0344_F0285] - - paddd xmm5,[rel PD_ONEHALF] - paddd xmm6,[rel PD_ONEHALF] - psrad xmm5,SCALEBITS - psrad xmm6,SCALEBITS - paddd xmm2,[rel PD_ONEHALF] - paddd xmm7,[rel PD_ONEHALF] - psrad xmm2,SCALEBITS - psrad xmm7,SCALEBITS - - packssdw xmm5,xmm6 ; xmm5=CbH*-FIX(0.344)+CrH*FIX(0.285) - packssdw xmm2,xmm7 ; xmm2=CbL*-FIX(0.344)+CrL*FIX(0.285) - psubw xmm5,xmm1 ; xmm5=CbH*-FIX(0.344)+CrH*-FIX(0.714)=(G-Y)H - psubw xmm2,xmm3 ; xmm2=CbL*-FIX(0.344)+CrL*-FIX(0.714)=(G-Y)L - - movdqa XMMWORD [wk(2)], xmm5 ; wk(2)=(G-Y)H - - mov al,2 ; Yctr - jmp short .Yloop_1st - -.Yloop_2nd: - movdqa xmm0, XMMWORD [wk(1)] ; xmm0=(R-Y)H - movdqa xmm2, XMMWORD [wk(2)] ; xmm2=(G-Y)H - movdqa xmm4, XMMWORD [wk(0)] ; xmm4=(B-Y)H - -.Yloop_1st: - movdqa xmm7, XMMWORD [rsi] ; xmm7=Y(0123456789ABCDEF) - - pcmpeqw xmm6,xmm6 - psrlw xmm6,BYTE_BIT ; xmm6={0xFF 0x00 0xFF 0x00 ..} - pand xmm6,xmm7 ; xmm6=Y(02468ACE)=YE - psrlw xmm7,BYTE_BIT ; xmm7=Y(13579BDF)=YO - - movdqa xmm1,xmm0 ; xmm1=xmm0=(R-Y)(L/H) - movdqa xmm3,xmm2 ; xmm3=xmm2=(G-Y)(L/H) - movdqa xmm5,xmm4 ; xmm5=xmm4=(B-Y)(L/H) - - paddw xmm0,xmm6 ; xmm0=((R-Y)+YE)=RE=R(02468ACE) - paddw xmm1,xmm7 ; xmm1=((R-Y)+YO)=RO=R(13579BDF) - packuswb xmm0,xmm0 ; xmm0=R(02468ACE********) - packuswb xmm1,xmm1 ; xmm1=R(13579BDF********) - - paddw xmm2,xmm6 ; xmm2=((G-Y)+YE)=GE=G(02468ACE) - paddw xmm3,xmm7 ; xmm3=((G-Y)+YO)=GO=G(13579BDF) - packuswb xmm2,xmm2 ; xmm2=G(02468ACE********) - packuswb xmm3,xmm3 ; xmm3=G(13579BDF********) - - paddw xmm4,xmm6 ; xmm4=((B-Y)+YE)=BE=B(02468ACE) - paddw xmm5,xmm7 ; xmm5=((B-Y)+YO)=BO=B(13579BDF) - packuswb xmm4,xmm4 ; xmm4=B(02468ACE********) - packuswb xmm5,xmm5 ; xmm5=B(13579BDF********) - -%if RGB_PIXELSIZE == 3 ; --------------- - - ; xmmA=(00 02 04 06 08 0A 0C 0E **), xmmB=(01 03 05 07 09 0B 0D 0F **) - ; xmmC=(10 12 14 16 18 1A 1C 1E **), xmmD=(11 13 15 17 19 1B 1D 1F **) - ; xmmE=(20 22 24 26 28 2A 2C 2E **), xmmF=(21 23 25 27 29 2B 2D 2F **) - ; xmmG=(** ** ** ** ** ** ** ** **), xmmH=(** ** ** ** ** ** ** ** **) - - punpcklbw xmmA,xmmC ; xmmA=(00 10 02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E) - punpcklbw xmmE,xmmB ; xmmE=(20 01 22 03 24 05 26 07 28 09 2A 0B 2C 0D 2E 0F) - punpcklbw xmmD,xmmF ; xmmD=(11 21 13 23 15 25 17 27 19 29 1B 2B 1D 2D 1F 2F) - - movdqa xmmG,xmmA - movdqa xmmH,xmmA - punpcklwd xmmA,xmmE ; xmmA=(00 10 20 01 02 12 22 03 04 14 24 05 06 16 26 07) - punpckhwd xmmG,xmmE ; xmmG=(08 18 28 09 0A 1A 2A 0B 0C 1C 2C 0D 0E 1E 2E 0F) - - psrldq xmmH,2 ; xmmH=(02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E -- --) - psrldq xmmE,2 ; xmmE=(22 03 24 05 26 07 28 09 2A 0B 2C 0D 2E 0F -- --) - - movdqa xmmC,xmmD - movdqa xmmB,xmmD - punpcklwd xmmD,xmmH ; xmmD=(11 21 02 12 13 23 04 14 15 25 06 16 17 27 08 18) - punpckhwd xmmC,xmmH ; xmmC=(19 29 0A 1A 1B 2B 0C 1C 1D 2D 0E 1E 1F 2F -- --) - - psrldq xmmB,2 ; xmmB=(13 23 15 25 17 27 19 29 1B 2B 1D 2D 1F 2F -- --) - - movdqa xmmF,xmmE - punpcklwd xmmE,xmmB ; xmmE=(22 03 13 23 24 05 15 25 26 07 17 27 28 09 19 29) - punpckhwd xmmF,xmmB ; xmmF=(2A 0B 1B 2B 2C 0D 1D 2D 2E 0F 1F 2F -- -- -- --) - - pshufd xmmH,xmmA,0x4E; xmmH=(04 14 24 05 06 16 26 07 00 10 20 01 02 12 22 03) - movdqa xmmB,xmmE - punpckldq xmmA,xmmD ; xmmA=(00 10 20 01 11 21 02 12 02 12 22 03 13 23 04 14) - punpckldq xmmE,xmmH ; xmmE=(22 03 13 23 04 14 24 05 24 05 15 25 06 16 26 07) - punpckhdq xmmD,xmmB ; xmmD=(15 25 06 16 26 07 17 27 17 27 08 18 28 09 19 29) - - pshufd xmmH,xmmG,0x4E; xmmH=(0C 1C 2C 0D 0E 1E 2E 0F 08 18 28 09 0A 1A 2A 0B) - movdqa xmmB,xmmF - punpckldq xmmG,xmmC ; xmmG=(08 18 28 09 19 29 0A 1A 0A 1A 2A 0B 1B 2B 0C 1C) - punpckldq xmmF,xmmH ; xmmF=(2A 0B 1B 2B 0C 1C 2C 0D 2C 0D 1D 2D 0E 1E 2E 0F) - punpckhdq xmmC,xmmB ; xmmC=(1D 2D 0E 1E 2E 0F 1F 2F 1F 2F -- -- -- -- -- --) - - punpcklqdq xmmA,xmmE ; xmmA=(00 10 20 01 11 21 02 12 22 03 13 23 04 14 24 05) - punpcklqdq xmmD,xmmG ; xmmD=(15 25 06 16 26 07 17 27 08 18 28 09 19 29 0A 1A) - punpcklqdq xmmF,xmmC ; xmmF=(2A 0B 1B 2B 0C 1C 2C 0D 1D 2D 0E 1E 2E 0F 1F 2F) - - cmp rcx, byte SIZEOF_XMMWORD - jb short .column_st32 - - test rdi, SIZEOF_XMMWORD-1 - jnz short .out1 - ; --(aligned)------------------- - movntdq XMMWORD [rdi+0*SIZEOF_XMMWORD], xmmA - movntdq XMMWORD [rdi+1*SIZEOF_XMMWORD], xmmD - movntdq XMMWORD [rdi+2*SIZEOF_XMMWORD], xmmF - add rdi, byte RGB_PIXELSIZE*SIZEOF_XMMWORD ; outptr - jmp short .out0 -.out1: ; --(unaligned)----------------- - pcmpeqb xmmH,xmmH ; xmmH=(all 1's) - maskmovdqu xmmA,xmmH ; movntdqu XMMWORD [rdi], xmmA - add rdi, byte SIZEOF_XMMWORD ; outptr - maskmovdqu xmmD,xmmH ; movntdqu XMMWORD [rdi], xmmD - add rdi, byte SIZEOF_XMMWORD ; outptr - maskmovdqu xmmF,xmmH ; movntdqu XMMWORD [rdi], xmmF - add rdi, byte SIZEOF_XMMWORD ; outptr -.out0: - sub rcx, byte SIZEOF_XMMWORD - jz near .endcolumn - - add rsi, byte SIZEOF_XMMWORD ; inptr0 - dec al ; Yctr - jnz near .Yloop_2nd - - add rbx, byte SIZEOF_XMMWORD ; inptr1 - add rdx, byte SIZEOF_XMMWORD ; inptr2 - jmp near .columnloop - -.column_st32: - pcmpeqb xmmH,xmmH ; xmmH=(all 1's) - lea rcx, [rcx+rcx*2] ; imul ecx, RGB_PIXELSIZE - cmp rcx, byte 2*SIZEOF_XMMWORD - jb short .column_st16 - maskmovdqu xmmA,xmmH ; movntdqu XMMWORD [rdi], xmmA - add rdi, byte SIZEOF_XMMWORD ; outptr - maskmovdqu xmmD,xmmH ; movntdqu XMMWORD [rdi], xmmD - add rdi, byte SIZEOF_XMMWORD ; outptr - movdqa xmmA,xmmF - sub rcx, byte 2*SIZEOF_XMMWORD - jmp short .column_st15 -.column_st16: - cmp rcx, byte SIZEOF_XMMWORD - jb short .column_st15 - maskmovdqu xmmA,xmmH ; movntdqu XMMWORD [rdi], xmmA - add rdi, byte SIZEOF_XMMWORD ; outptr - movdqa xmmA,xmmD - sub rcx, byte SIZEOF_XMMWORD -.column_st15: - mov rax,rcx - xor rcx, byte 0x0F - shl rcx, 2 - movd xmmB,ecx - psrlq xmmH,4 - pcmpeqb xmmE,xmmE - psrlq xmmH,xmmB - psrlq xmmE,xmmB - punpcklbw xmmE,xmmH - ; ---------------- - mov rcx,rdi - and rcx, byte SIZEOF_XMMWORD-1 - jz short .adj0 - add rax,rcx - cmp rax, byte SIZEOF_XMMWORD - ja short .adj0 - and rdi, byte (-SIZEOF_XMMWORD) ; align to 16-byte boundary - shl rcx, 3 ; pslldq xmmA,ecx & pslldq xmmE,ecx - movdqa xmmG,xmmA - movdqa xmmC,xmmE - pslldq xmmA, SIZEOF_XMMWORD/2 - pslldq xmmE, SIZEOF_XMMWORD/2 - movd xmmD,ecx - sub rcx, byte (SIZEOF_XMMWORD/2)*BYTE_BIT - jb short .adj1 - movd xmmF,ecx - psllq xmmA,xmmF - psllq xmmE,xmmF - jmp short .adj0 -.adj1: neg rcx - movd xmmF,ecx - psrlq xmmA,xmmF - psrlq xmmE,xmmF - psllq xmmG,xmmD - psllq xmmC,xmmD - por xmmA,xmmG - por xmmE,xmmC -.adj0: ; ---------------- - maskmovdqu xmmA,xmmE ; movntdqu XMMWORD [edi], xmmA - -%else ; RGB_PIXELSIZE == 4 ; ----------- - -%ifdef RGBX_FILLER_0XFF - pcmpeqb xmm6,xmm6 ; xmm6=XE=X(02468ACE********) - pcmpeqb xmm7,xmm7 ; xmm7=XO=X(13579BDF********) -%else - pxor xmm6,xmm6 ; xmm6=XE=X(02468ACE********) - pxor xmm7,xmm7 ; xmm7=XO=X(13579BDF********) -%endif - ; xmmA=(00 02 04 06 08 0A 0C 0E **), xmmB=(01 03 05 07 09 0B 0D 0F **) - ; xmmC=(10 12 14 16 18 1A 1C 1E **), xmmD=(11 13 15 17 19 1B 1D 1F **) - ; xmmE=(20 22 24 26 28 2A 2C 2E **), xmmF=(21 23 25 27 29 2B 2D 2F **) - ; xmmG=(30 32 34 36 38 3A 3C 3E **), xmmH=(31 33 35 37 39 3B 3D 3F **) - - punpcklbw xmmA,xmmC ; xmmA=(00 10 02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E) - punpcklbw xmmE,xmmG ; xmmE=(20 30 22 32 24 34 26 36 28 38 2A 3A 2C 3C 2E 3E) - punpcklbw xmmB,xmmD ; xmmB=(01 11 03 13 05 15 07 17 09 19 0B 1B 0D 1D 0F 1F) - punpcklbw xmmF,xmmH ; xmmF=(21 31 23 33 25 35 27 37 29 39 2B 3B 2D 3D 2F 3F) - - movdqa xmmC,xmmA - punpcklwd xmmA,xmmE ; xmmA=(00 10 20 30 02 12 22 32 04 14 24 34 06 16 26 36) - punpckhwd xmmC,xmmE ; xmmC=(08 18 28 38 0A 1A 2A 3A 0C 1C 2C 3C 0E 1E 2E 3E) - movdqa xmmG,xmmB - punpcklwd xmmB,xmmF ; xmmB=(01 11 21 31 03 13 23 33 05 15 25 35 07 17 27 37) - punpckhwd xmmG,xmmF ; xmmG=(09 19 29 39 0B 1B 2B 3B 0D 1D 2D 3D 0F 1F 2F 3F) - - movdqa xmmD,xmmA - punpckldq xmmA,xmmB ; xmmA=(00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33) - punpckhdq xmmD,xmmB ; xmmD=(04 14 24 34 05 15 25 35 06 16 26 36 07 17 27 37) - movdqa xmmH,xmmC - punpckldq xmmC,xmmG ; xmmC=(08 18 28 38 09 19 29 39 0A 1A 2A 3A 0B 1B 2B 3B) - punpckhdq xmmH,xmmG ; xmmH=(0C 1C 2C 3C 0D 1D 2D 3D 0E 1E 2E 3E 0F 1F 2F 3F) - - cmp rcx, byte SIZEOF_XMMWORD - jb short .column_st32 - - test rdi, SIZEOF_XMMWORD-1 - jnz short .out1 - ; --(aligned)------------------- - movntdq XMMWORD [rdi+0*SIZEOF_XMMWORD], xmmA - movntdq XMMWORD [rdi+1*SIZEOF_XMMWORD], xmmD - movntdq XMMWORD [rdi+2*SIZEOF_XMMWORD], xmmC - movntdq XMMWORD [rdi+3*SIZEOF_XMMWORD], xmmH - add rdi, byte RGB_PIXELSIZE*SIZEOF_XMMWORD ; outptr - jmp short .out0 -.out1: ; --(unaligned)----------------- - pcmpeqb xmmE,xmmE ; xmmE=(all 1's) - maskmovdqu xmmA,xmmE ; movntdqu XMMWORD [rdi], xmmA - add rdi, byte SIZEOF_XMMWORD ; outptr - maskmovdqu xmmD,xmmE ; movntdqu XMMWORD [rdi], xmmD - add rdi, byte SIZEOF_XMMWORD ; outptr - maskmovdqu xmmC,xmmE ; movntdqu XMMWORD [rdi], xmmC - add rdi, byte SIZEOF_XMMWORD ; outptr - maskmovdqu xmmH,xmmE ; movntdqu XMMWORD [rdi], xmmH - add rdi, byte SIZEOF_XMMWORD ; outptr -.out0: - sub rcx, byte SIZEOF_XMMWORD - jz near .endcolumn - - add rsi, byte SIZEOF_XMMWORD ; inptr0 - dec al ; Yctr - jnz near .Yloop_2nd - - add rbx, byte SIZEOF_XMMWORD ; inptr1 - add rdx, byte SIZEOF_XMMWORD ; inptr2 - jmp near .columnloop - -.column_st32: - pcmpeqb xmmE,xmmE ; xmmE=(all 1's) - cmp rcx, byte SIZEOF_XMMWORD/2 - jb short .column_st16 - maskmovdqu xmmA,xmmE ; movntdqu XMMWORD [rdi], xmmA - add rdi, byte SIZEOF_XMMWORD ; outptr - maskmovdqu xmmD,xmmE ; movntdqu XMMWORD [rdi], xmmD - add rdi, byte SIZEOF_XMMWORD ; outptr - movdqa xmmA,xmmC - movdqa xmmD,xmmH - sub rcx, byte SIZEOF_XMMWORD/2 -.column_st16: - cmp rcx, byte SIZEOF_XMMWORD/4 - jb short .column_st15 - maskmovdqu xmmA,xmmE ; movntdqu XMMWORD [edi], xmmA - add rdi, byte SIZEOF_XMMWORD ; outptr - movdqa xmmA,xmmD - sub rcx, byte SIZEOF_XMMWORD/4 -.column_st15: - cmp rcx, byte SIZEOF_XMMWORD/16 - jb near .endcolumn - mov rax,rcx - xor rcx, byte 0x03 - inc rcx - shl rcx, 4 - movd xmmF,ecx - psrlq xmmE,xmmF - punpcklbw xmmE,xmmE - ; ---------------- - mov rcx,rdi - and rcx, byte SIZEOF_XMMWORD-1 - jz short .adj0 - lea rax, [rcx+rax*4] ; RGB_PIXELSIZE - cmp rax, byte SIZEOF_XMMWORD - ja short .adj0 - and rdi, byte (-SIZEOF_XMMWORD) ; align to 16-byte boundary - shl rcx, 3 ; pslldq xmmA,ecx & pslldq xmmE,ecx - movdqa xmmB,xmmA - movdqa xmmG,xmmE - pslldq xmmA, SIZEOF_XMMWORD/2 - pslldq xmmE, SIZEOF_XMMWORD/2 - movd xmmC,ecx - sub rcx, byte (SIZEOF_XMMWORD/2)*BYTE_BIT - jb short .adj1 - movd xmmH,ecx - psllq xmmA,xmmH - psllq xmmE,xmmH - jmp short .adj0 -.adj1: neg rcx - movd xmmH,ecx - psrlq xmmA,xmmH - psrlq xmmE,xmmH - psllq xmmB,xmmC - psllq xmmG,xmmC - por xmmA,xmmB - por xmmE,xmmG -.adj0: ; ---------------- - maskmovdqu xmmA,xmmE ; movntdqu XMMWORD [edi], xmmA - -%endif ; RGB_PIXELSIZE ; --------------- - -.endcolumn: - sfence ; flush the write buffer - -.return: - pop rbx - uncollect_args - mov rsp,rbp ; rsp <- aligned rbp - pop rsp ; rsp <- original rbp - pop rbp - ret - -; -------------------------------------------------------------------------- -; -; Upsample and color convert for the case of 2:1 horizontal and 2:1 vertical. -; -; GLOBAL(void) -; jsimd_h2v2_merged_upsample_sse2 (JDIMENSION output_width, -; JSAMPIMAGE input_buf, -; JDIMENSION in_row_group_ctr, -; JSAMPARRAY output_buf); -; - -; r10 = JDIMENSION output_width -; r11 = JSAMPIMAGE input_buf -; r12 = JDIMENSION in_row_group_ctr -; r13 = JSAMPARRAY output_buf - - align 16 - global EXTN(jsimd_h2v2_merged_upsample_sse2) - -EXTN(jsimd_h2v2_merged_upsample_sse2): - push rbp - mov rax,rsp - mov rbp,rsp - collect_args - push rbx - - mov rax, r10 - - mov rdi, r11 - mov rcx, r12 - mov rsi, JSAMPARRAY [rdi+0*SIZEOF_JSAMPARRAY] - mov rbx, JSAMPARRAY [rdi+1*SIZEOF_JSAMPARRAY] - mov rdx, JSAMPARRAY [rdi+2*SIZEOF_JSAMPARRAY] - mov rdi, r13 - lea rsi, [rsi+rcx*SIZEOF_JSAMPROW] - - push rdx ; inptr2 - push rbx ; inptr1 - push rsi ; inptr00 - mov rbx,rsp - - push rdi - push rcx - push rax - - %ifdef WIN64 - mov r8, rcx - mov r9, rdi - mov rcx, rax - mov rdx, rbx - %else - mov rdx, rcx - mov rcx, rdi - mov rdi, rax - mov rsi, rbx - %endif - - call EXTN(jsimd_h2v1_merged_upsample_sse2) - - pop rax - pop rcx - pop rdi - pop rsi - pop rbx - pop rdx - - add rdi, byte SIZEOF_JSAMPROW ; outptr1 - add rsi, byte SIZEOF_JSAMPROW ; inptr01 - - push rdx ; inptr2 - push rbx ; inptr1 - push rsi ; inptr00 - mov rbx,rsp - - push rdi - push rcx - push rax - - %ifdef WIN64 - mov r8, rcx - mov r9, rdi - mov rcx, rax - mov rdx, rbx - %else - mov rdx, rcx - mov rcx, rdi - mov rdi, rax - mov rsi, rbx - %endif - - call EXTN(jsimd_h2v1_merged_upsample_sse2) - - pop rax - pop rcx - pop rdi - pop rsi - pop rbx - pop rdx - - pop rbx - uncollect_args - pop rbp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jdmrgss2.asm b/common/jpeg/simd/jdmrgss2.asm deleted file mode 100644 index 99b7eb9f..00000000 --- a/common/jpeg/simd/jdmrgss2.asm +++ /dev/null @@ -1,564 +0,0 @@ -; -; jdmrgss2.asm - merged upsampling/color conversion (SSE2) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; [TAB8] - -%include "jcolsamp.inc" - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 32 -; -; Upsample and color convert for the case of 2:1 horizontal and 1:1 vertical. -; -; GLOBAL(void) -; jsimd_h2v1_merged_upsample_sse2 (JDIMENSION output_width, -; JSAMPIMAGE input_buf, -; JDIMENSION in_row_group_ctr, -; JSAMPARRAY output_buf); -; - -%define output_width(b) (b)+8 ; JDIMENSION output_width -%define input_buf(b) (b)+12 ; JSAMPIMAGE input_buf -%define in_row_group_ctr(b) (b)+16 ; JDIMENSION in_row_group_ctr -%define output_buf(b) (b)+20 ; JSAMPARRAY output_buf - -%define original_ebp ebp+0 -%define wk(i) ebp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM] -%define WK_NUM 3 -%define gotptr wk(0)-SIZEOF_POINTER ; void * gotptr - - align 16 - global EXTN(jsimd_h2v1_merged_upsample_sse2) - -EXTN(jsimd_h2v1_merged_upsample_sse2): - push ebp - mov eax,esp ; eax = original ebp - sub esp, byte 4 - and esp, byte (-SIZEOF_XMMWORD) ; align to 128 bits - mov [esp],eax - mov ebp,esp ; ebp = aligned ebp - lea esp, [wk(0)] - pushpic eax ; make a room for GOT address - push ebx -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - get_GOT ebx ; get GOT address - movpic POINTER [gotptr], ebx ; save GOT address - - mov ecx, JDIMENSION [output_width(eax)] ; col - test ecx,ecx - jz near .return - - push ecx - - mov edi, JSAMPIMAGE [input_buf(eax)] - mov ecx, JDIMENSION [in_row_group_ctr(eax)] - mov esi, JSAMPARRAY [edi+0*SIZEOF_JSAMPARRAY] - mov ebx, JSAMPARRAY [edi+1*SIZEOF_JSAMPARRAY] - mov edx, JSAMPARRAY [edi+2*SIZEOF_JSAMPARRAY] - mov edi, JSAMPARRAY [output_buf(eax)] - mov esi, JSAMPROW [esi+ecx*SIZEOF_JSAMPROW] ; inptr0 - mov ebx, JSAMPROW [ebx+ecx*SIZEOF_JSAMPROW] ; inptr1 - mov edx, JSAMPROW [edx+ecx*SIZEOF_JSAMPROW] ; inptr2 - mov edi, JSAMPROW [edi] ; outptr - - pop ecx ; col - - alignx 16,7 -.columnloop: - movpic eax, POINTER [gotptr] ; load GOT address (eax) - - movdqa xmm6, XMMWORD [ebx] ; xmm6=Cb(0123456789ABCDEF) - movdqa xmm7, XMMWORD [edx] ; xmm7=Cr(0123456789ABCDEF) - - pxor xmm1,xmm1 ; xmm1=(all 0's) - pcmpeqw xmm3,xmm3 - psllw xmm3,7 ; xmm3={0xFF80 0xFF80 0xFF80 0xFF80 ..} - - movdqa xmm4,xmm6 - punpckhbw xmm6,xmm1 ; xmm6=Cb(89ABCDEF)=CbH - punpcklbw xmm4,xmm1 ; xmm4=Cb(01234567)=CbL - movdqa xmm0,xmm7 - punpckhbw xmm7,xmm1 ; xmm7=Cr(89ABCDEF)=CrH - punpcklbw xmm0,xmm1 ; xmm0=Cr(01234567)=CrL - - paddw xmm6,xmm3 - paddw xmm4,xmm3 - paddw xmm7,xmm3 - paddw xmm0,xmm3 - - ; (Original) - ; R = Y + 1.40200 * Cr - ; G = Y - 0.34414 * Cb - 0.71414 * Cr - ; B = Y + 1.77200 * Cb - ; - ; (This implementation) - ; R = Y + 0.40200 * Cr + Cr - ; G = Y - 0.34414 * Cb + 0.28586 * Cr - Cr - ; B = Y - 0.22800 * Cb + Cb + Cb - - movdqa xmm5,xmm6 ; xmm5=CbH - movdqa xmm2,xmm4 ; xmm2=CbL - paddw xmm6,xmm6 ; xmm6=2*CbH - paddw xmm4,xmm4 ; xmm4=2*CbL - movdqa xmm1,xmm7 ; xmm1=CrH - movdqa xmm3,xmm0 ; xmm3=CrL - paddw xmm7,xmm7 ; xmm7=2*CrH - paddw xmm0,xmm0 ; xmm0=2*CrL - - pmulhw xmm6,[GOTOFF(eax,PW_MF0228)] ; xmm6=(2*CbH * -FIX(0.22800)) - pmulhw xmm4,[GOTOFF(eax,PW_MF0228)] ; xmm4=(2*CbL * -FIX(0.22800)) - pmulhw xmm7,[GOTOFF(eax,PW_F0402)] ; xmm7=(2*CrH * FIX(0.40200)) - pmulhw xmm0,[GOTOFF(eax,PW_F0402)] ; xmm0=(2*CrL * FIX(0.40200)) - - paddw xmm6,[GOTOFF(eax,PW_ONE)] - paddw xmm4,[GOTOFF(eax,PW_ONE)] - psraw xmm6,1 ; xmm6=(CbH * -FIX(0.22800)) - psraw xmm4,1 ; xmm4=(CbL * -FIX(0.22800)) - paddw xmm7,[GOTOFF(eax,PW_ONE)] - paddw xmm0,[GOTOFF(eax,PW_ONE)] - psraw xmm7,1 ; xmm7=(CrH * FIX(0.40200)) - psraw xmm0,1 ; xmm0=(CrL * FIX(0.40200)) - - paddw xmm6,xmm5 - paddw xmm4,xmm2 - paddw xmm6,xmm5 ; xmm6=(CbH * FIX(1.77200))=(B-Y)H - paddw xmm4,xmm2 ; xmm4=(CbL * FIX(1.77200))=(B-Y)L - paddw xmm7,xmm1 ; xmm7=(CrH * FIX(1.40200))=(R-Y)H - paddw xmm0,xmm3 ; xmm0=(CrL * FIX(1.40200))=(R-Y)L - - movdqa XMMWORD [wk(0)], xmm6 ; wk(0)=(B-Y)H - movdqa XMMWORD [wk(1)], xmm7 ; wk(1)=(R-Y)H - - movdqa xmm6,xmm5 - movdqa xmm7,xmm2 - punpcklwd xmm5,xmm1 - punpckhwd xmm6,xmm1 - pmaddwd xmm5,[GOTOFF(eax,PW_MF0344_F0285)] - pmaddwd xmm6,[GOTOFF(eax,PW_MF0344_F0285)] - punpcklwd xmm2,xmm3 - punpckhwd xmm7,xmm3 - pmaddwd xmm2,[GOTOFF(eax,PW_MF0344_F0285)] - pmaddwd xmm7,[GOTOFF(eax,PW_MF0344_F0285)] - - paddd xmm5,[GOTOFF(eax,PD_ONEHALF)] - paddd xmm6,[GOTOFF(eax,PD_ONEHALF)] - psrad xmm5,SCALEBITS - psrad xmm6,SCALEBITS - paddd xmm2,[GOTOFF(eax,PD_ONEHALF)] - paddd xmm7,[GOTOFF(eax,PD_ONEHALF)] - psrad xmm2,SCALEBITS - psrad xmm7,SCALEBITS - - packssdw xmm5,xmm6 ; xmm5=CbH*-FIX(0.344)+CrH*FIX(0.285) - packssdw xmm2,xmm7 ; xmm2=CbL*-FIX(0.344)+CrL*FIX(0.285) - psubw xmm5,xmm1 ; xmm5=CbH*-FIX(0.344)+CrH*-FIX(0.714)=(G-Y)H - psubw xmm2,xmm3 ; xmm2=CbL*-FIX(0.344)+CrL*-FIX(0.714)=(G-Y)L - - movdqa XMMWORD [wk(2)], xmm5 ; wk(2)=(G-Y)H - - mov al,2 ; Yctr - jmp short .Yloop_1st - alignx 16,7 - -.Yloop_2nd: - movdqa xmm0, XMMWORD [wk(1)] ; xmm0=(R-Y)H - movdqa xmm2, XMMWORD [wk(2)] ; xmm2=(G-Y)H - movdqa xmm4, XMMWORD [wk(0)] ; xmm4=(B-Y)H - alignx 16,7 - -.Yloop_1st: - movdqa xmm7, XMMWORD [esi] ; xmm7=Y(0123456789ABCDEF) - - pcmpeqw xmm6,xmm6 - psrlw xmm6,BYTE_BIT ; xmm6={0xFF 0x00 0xFF 0x00 ..} - pand xmm6,xmm7 ; xmm6=Y(02468ACE)=YE - psrlw xmm7,BYTE_BIT ; xmm7=Y(13579BDF)=YO - - movdqa xmm1,xmm0 ; xmm1=xmm0=(R-Y)(L/H) - movdqa xmm3,xmm2 ; xmm3=xmm2=(G-Y)(L/H) - movdqa xmm5,xmm4 ; xmm5=xmm4=(B-Y)(L/H) - - paddw xmm0,xmm6 ; xmm0=((R-Y)+YE)=RE=R(02468ACE) - paddw xmm1,xmm7 ; xmm1=((R-Y)+YO)=RO=R(13579BDF) - packuswb xmm0,xmm0 ; xmm0=R(02468ACE********) - packuswb xmm1,xmm1 ; xmm1=R(13579BDF********) - - paddw xmm2,xmm6 ; xmm2=((G-Y)+YE)=GE=G(02468ACE) - paddw xmm3,xmm7 ; xmm3=((G-Y)+YO)=GO=G(13579BDF) - packuswb xmm2,xmm2 ; xmm2=G(02468ACE********) - packuswb xmm3,xmm3 ; xmm3=G(13579BDF********) - - paddw xmm4,xmm6 ; xmm4=((B-Y)+YE)=BE=B(02468ACE) - paddw xmm5,xmm7 ; xmm5=((B-Y)+YO)=BO=B(13579BDF) - packuswb xmm4,xmm4 ; xmm4=B(02468ACE********) - packuswb xmm5,xmm5 ; xmm5=B(13579BDF********) - -%if RGB_PIXELSIZE == 3 ; --------------- - - ; xmmA=(00 02 04 06 08 0A 0C 0E **), xmmB=(01 03 05 07 09 0B 0D 0F **) - ; xmmC=(10 12 14 16 18 1A 1C 1E **), xmmD=(11 13 15 17 19 1B 1D 1F **) - ; xmmE=(20 22 24 26 28 2A 2C 2E **), xmmF=(21 23 25 27 29 2B 2D 2F **) - ; xmmG=(** ** ** ** ** ** ** ** **), xmmH=(** ** ** ** ** ** ** ** **) - - punpcklbw xmmA,xmmC ; xmmA=(00 10 02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E) - punpcklbw xmmE,xmmB ; xmmE=(20 01 22 03 24 05 26 07 28 09 2A 0B 2C 0D 2E 0F) - punpcklbw xmmD,xmmF ; xmmD=(11 21 13 23 15 25 17 27 19 29 1B 2B 1D 2D 1F 2F) - - movdqa xmmG,xmmA - movdqa xmmH,xmmA - punpcklwd xmmA,xmmE ; xmmA=(00 10 20 01 02 12 22 03 04 14 24 05 06 16 26 07) - punpckhwd xmmG,xmmE ; xmmG=(08 18 28 09 0A 1A 2A 0B 0C 1C 2C 0D 0E 1E 2E 0F) - - psrldq xmmH,2 ; xmmH=(02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E -- --) - psrldq xmmE,2 ; xmmE=(22 03 24 05 26 07 28 09 2A 0B 2C 0D 2E 0F -- --) - - movdqa xmmC,xmmD - movdqa xmmB,xmmD - punpcklwd xmmD,xmmH ; xmmD=(11 21 02 12 13 23 04 14 15 25 06 16 17 27 08 18) - punpckhwd xmmC,xmmH ; xmmC=(19 29 0A 1A 1B 2B 0C 1C 1D 2D 0E 1E 1F 2F -- --) - - psrldq xmmB,2 ; xmmB=(13 23 15 25 17 27 19 29 1B 2B 1D 2D 1F 2F -- --) - - movdqa xmmF,xmmE - punpcklwd xmmE,xmmB ; xmmE=(22 03 13 23 24 05 15 25 26 07 17 27 28 09 19 29) - punpckhwd xmmF,xmmB ; xmmF=(2A 0B 1B 2B 2C 0D 1D 2D 2E 0F 1F 2F -- -- -- --) - - pshufd xmmH,xmmA,0x4E; xmmH=(04 14 24 05 06 16 26 07 00 10 20 01 02 12 22 03) - movdqa xmmB,xmmE - punpckldq xmmA,xmmD ; xmmA=(00 10 20 01 11 21 02 12 02 12 22 03 13 23 04 14) - punpckldq xmmE,xmmH ; xmmE=(22 03 13 23 04 14 24 05 24 05 15 25 06 16 26 07) - punpckhdq xmmD,xmmB ; xmmD=(15 25 06 16 26 07 17 27 17 27 08 18 28 09 19 29) - - pshufd xmmH,xmmG,0x4E; xmmH=(0C 1C 2C 0D 0E 1E 2E 0F 08 18 28 09 0A 1A 2A 0B) - movdqa xmmB,xmmF - punpckldq xmmG,xmmC ; xmmG=(08 18 28 09 19 29 0A 1A 0A 1A 2A 0B 1B 2B 0C 1C) - punpckldq xmmF,xmmH ; xmmF=(2A 0B 1B 2B 0C 1C 2C 0D 2C 0D 1D 2D 0E 1E 2E 0F) - punpckhdq xmmC,xmmB ; xmmC=(1D 2D 0E 1E 2E 0F 1F 2F 1F 2F -- -- -- -- -- --) - - punpcklqdq xmmA,xmmE ; xmmA=(00 10 20 01 11 21 02 12 22 03 13 23 04 14 24 05) - punpcklqdq xmmD,xmmG ; xmmD=(15 25 06 16 26 07 17 27 08 18 28 09 19 29 0A 1A) - punpcklqdq xmmF,xmmC ; xmmF=(2A 0B 1B 2B 0C 1C 2C 0D 1D 2D 0E 1E 2E 0F 1F 2F) - - cmp ecx, byte SIZEOF_XMMWORD - jb short .column_st32 - - test edi, SIZEOF_XMMWORD-1 - jnz short .out1 - ; --(aligned)------------------- - movntdq XMMWORD [edi+0*SIZEOF_XMMWORD], xmmA - movntdq XMMWORD [edi+1*SIZEOF_XMMWORD], xmmD - movntdq XMMWORD [edi+2*SIZEOF_XMMWORD], xmmF - add edi, byte RGB_PIXELSIZE*SIZEOF_XMMWORD ; outptr - jmp short .out0 -.out1: ; --(unaligned)----------------- - pcmpeqb xmmH,xmmH ; xmmH=(all 1's) - maskmovdqu xmmA,xmmH ; movntdqu XMMWORD [edi], xmmA - add edi, byte SIZEOF_XMMWORD ; outptr - maskmovdqu xmmD,xmmH ; movntdqu XMMWORD [edi], xmmD - add edi, byte SIZEOF_XMMWORD ; outptr - maskmovdqu xmmF,xmmH ; movntdqu XMMWORD [edi], xmmF - add edi, byte SIZEOF_XMMWORD ; outptr -.out0: - sub ecx, byte SIZEOF_XMMWORD - jz near .endcolumn - - add esi, byte SIZEOF_XMMWORD ; inptr0 - dec al ; Yctr - jnz near .Yloop_2nd - - add ebx, byte SIZEOF_XMMWORD ; inptr1 - add edx, byte SIZEOF_XMMWORD ; inptr2 - jmp near .columnloop - alignx 16,7 - -.column_st32: - pcmpeqb xmmH,xmmH ; xmmH=(all 1's) - lea ecx, [ecx+ecx*2] ; imul ecx, RGB_PIXELSIZE - cmp ecx, byte 2*SIZEOF_XMMWORD - jb short .column_st16 - maskmovdqu xmmA,xmmH ; movntdqu XMMWORD [edi], xmmA - add edi, byte SIZEOF_XMMWORD ; outptr - maskmovdqu xmmD,xmmH ; movntdqu XMMWORD [edi], xmmD - add edi, byte SIZEOF_XMMWORD ; outptr - movdqa xmmA,xmmF - sub ecx, byte 2*SIZEOF_XMMWORD - jmp short .column_st15 -.column_st16: - cmp ecx, byte SIZEOF_XMMWORD - jb short .column_st15 - maskmovdqu xmmA,xmmH ; movntdqu XMMWORD [edi], xmmA - add edi, byte SIZEOF_XMMWORD ; outptr - movdqa xmmA,xmmD - sub ecx, byte SIZEOF_XMMWORD -.column_st15: - mov eax,ecx - xor ecx, byte 0x0F - shl ecx, 2 - movd xmmB,ecx - psrlq xmmH,4 - pcmpeqb xmmE,xmmE - psrlq xmmH,xmmB - psrlq xmmE,xmmB - punpcklbw xmmE,xmmH - ; ---------------- - mov ecx,edi - and ecx, byte SIZEOF_XMMWORD-1 - jz short .adj0 - add eax,ecx - cmp eax, byte SIZEOF_XMMWORD - ja short .adj0 - and edi, byte (-SIZEOF_XMMWORD) ; align to 16-byte boundary - shl ecx, 3 ; pslldq xmmA,ecx & pslldq xmmE,ecx - movdqa xmmG,xmmA - movdqa xmmC,xmmE - pslldq xmmA, SIZEOF_XMMWORD/2 - pslldq xmmE, SIZEOF_XMMWORD/2 - movd xmmD,ecx - sub ecx, byte (SIZEOF_XMMWORD/2)*BYTE_BIT - jb short .adj1 - movd xmmF,ecx - psllq xmmA,xmmF - psllq xmmE,xmmF - jmp short .adj0 -.adj1: neg ecx - movd xmmF,ecx - psrlq xmmA,xmmF - psrlq xmmE,xmmF - psllq xmmG,xmmD - psllq xmmC,xmmD - por xmmA,xmmG - por xmmE,xmmC -.adj0: ; ---------------- - maskmovdqu xmmA,xmmE ; movntdqu XMMWORD [edi], xmmA - -%else ; RGB_PIXELSIZE == 4 ; ----------- - -%ifdef RGBX_FILLER_0XFF - pcmpeqb xmm6,xmm6 ; xmm6=XE=X(02468ACE********) - pcmpeqb xmm7,xmm7 ; xmm7=XO=X(13579BDF********) -%else - pxor xmm6,xmm6 ; xmm6=XE=X(02468ACE********) - pxor xmm7,xmm7 ; xmm7=XO=X(13579BDF********) -%endif - ; xmmA=(00 02 04 06 08 0A 0C 0E **), xmmB=(01 03 05 07 09 0B 0D 0F **) - ; xmmC=(10 12 14 16 18 1A 1C 1E **), xmmD=(11 13 15 17 19 1B 1D 1F **) - ; xmmE=(20 22 24 26 28 2A 2C 2E **), xmmF=(21 23 25 27 29 2B 2D 2F **) - ; xmmG=(30 32 34 36 38 3A 3C 3E **), xmmH=(31 33 35 37 39 3B 3D 3F **) - - punpcklbw xmmA,xmmC ; xmmA=(00 10 02 12 04 14 06 16 08 18 0A 1A 0C 1C 0E 1E) - punpcklbw xmmE,xmmG ; xmmE=(20 30 22 32 24 34 26 36 28 38 2A 3A 2C 3C 2E 3E) - punpcklbw xmmB,xmmD ; xmmB=(01 11 03 13 05 15 07 17 09 19 0B 1B 0D 1D 0F 1F) - punpcklbw xmmF,xmmH ; xmmF=(21 31 23 33 25 35 27 37 29 39 2B 3B 2D 3D 2F 3F) - - movdqa xmmC,xmmA - punpcklwd xmmA,xmmE ; xmmA=(00 10 20 30 02 12 22 32 04 14 24 34 06 16 26 36) - punpckhwd xmmC,xmmE ; xmmC=(08 18 28 38 0A 1A 2A 3A 0C 1C 2C 3C 0E 1E 2E 3E) - movdqa xmmG,xmmB - punpcklwd xmmB,xmmF ; xmmB=(01 11 21 31 03 13 23 33 05 15 25 35 07 17 27 37) - punpckhwd xmmG,xmmF ; xmmG=(09 19 29 39 0B 1B 2B 3B 0D 1D 2D 3D 0F 1F 2F 3F) - - movdqa xmmD,xmmA - punpckldq xmmA,xmmB ; xmmA=(00 10 20 30 01 11 21 31 02 12 22 32 03 13 23 33) - punpckhdq xmmD,xmmB ; xmmD=(04 14 24 34 05 15 25 35 06 16 26 36 07 17 27 37) - movdqa xmmH,xmmC - punpckldq xmmC,xmmG ; xmmC=(08 18 28 38 09 19 29 39 0A 1A 2A 3A 0B 1B 2B 3B) - punpckhdq xmmH,xmmG ; xmmH=(0C 1C 2C 3C 0D 1D 2D 3D 0E 1E 2E 3E 0F 1F 2F 3F) - - cmp ecx, byte SIZEOF_XMMWORD - jb short .column_st32 - - test edi, SIZEOF_XMMWORD-1 - jnz short .out1 - ; --(aligned)------------------- - movntdq XMMWORD [edi+0*SIZEOF_XMMWORD], xmmA - movntdq XMMWORD [edi+1*SIZEOF_XMMWORD], xmmD - movntdq XMMWORD [edi+2*SIZEOF_XMMWORD], xmmC - movntdq XMMWORD [edi+3*SIZEOF_XMMWORD], xmmH - add edi, byte RGB_PIXELSIZE*SIZEOF_XMMWORD ; outptr - jmp short .out0 -.out1: ; --(unaligned)----------------- - pcmpeqb xmmE,xmmE ; xmmE=(all 1's) - maskmovdqu xmmA,xmmE ; movntdqu XMMWORD [edi], xmmA - add edi, byte SIZEOF_XMMWORD ; outptr - maskmovdqu xmmD,xmmE ; movntdqu XMMWORD [edi], xmmD - add edi, byte SIZEOF_XMMWORD ; outptr - maskmovdqu xmmC,xmmE ; movntdqu XMMWORD [edi], xmmC - add edi, byte SIZEOF_XMMWORD ; outptr - maskmovdqu xmmH,xmmE ; movntdqu XMMWORD [edi], xmmH - add edi, byte SIZEOF_XMMWORD ; outptr -.out0: - sub ecx, byte SIZEOF_XMMWORD - jz near .endcolumn - - add esi, byte SIZEOF_XMMWORD ; inptr0 - dec al ; Yctr - jnz near .Yloop_2nd - - add ebx, byte SIZEOF_XMMWORD ; inptr1 - add edx, byte SIZEOF_XMMWORD ; inptr2 - jmp near .columnloop - alignx 16,7 - -.column_st32: - pcmpeqb xmmE,xmmE ; xmmE=(all 1's) - cmp ecx, byte SIZEOF_XMMWORD/2 - jb short .column_st16 - maskmovdqu xmmA,xmmE ; movntdqu XMMWORD [edi], xmmA - add edi, byte SIZEOF_XMMWORD ; outptr - maskmovdqu xmmD,xmmE ; movntdqu XMMWORD [edi], xmmD - add edi, byte SIZEOF_XMMWORD ; outptr - movdqa xmmA,xmmC - movdqa xmmD,xmmH - sub ecx, byte SIZEOF_XMMWORD/2 -.column_st16: - cmp ecx, byte SIZEOF_XMMWORD/4 - jb short .column_st15 - maskmovdqu xmmA,xmmE ; movntdqu XMMWORD [edi], xmmA - add edi, byte SIZEOF_XMMWORD ; outptr - movdqa xmmA,xmmD - sub ecx, byte SIZEOF_XMMWORD/4 -.column_st15: - cmp ecx, byte SIZEOF_XMMWORD/16 - jb short .endcolumn - mov eax,ecx - xor ecx, byte 0x03 - inc ecx - shl ecx, 4 - movd xmmF,ecx - psrlq xmmE,xmmF - punpcklbw xmmE,xmmE - ; ---------------- - mov ecx,edi - and ecx, byte SIZEOF_XMMWORD-1 - jz short .adj0 - lea eax, [ecx+eax*4] ; RGB_PIXELSIZE - cmp eax, byte SIZEOF_XMMWORD - ja short .adj0 - and edi, byte (-SIZEOF_XMMWORD) ; align to 16-byte boundary - shl ecx, 3 ; pslldq xmmA,ecx & pslldq xmmE,ecx - movdqa xmmB,xmmA - movdqa xmmG,xmmE - pslldq xmmA, SIZEOF_XMMWORD/2 - pslldq xmmE, SIZEOF_XMMWORD/2 - movd xmmC,ecx - sub ecx, byte (SIZEOF_XMMWORD/2)*BYTE_BIT - jb short .adj1 - movd xmmH,ecx - psllq xmmA,xmmH - psllq xmmE,xmmH - jmp short .adj0 -.adj1: neg ecx - movd xmmH,ecx - psrlq xmmA,xmmH - psrlq xmmE,xmmH - psllq xmmB,xmmC - psllq xmmG,xmmC - por xmmA,xmmB - por xmmE,xmmG -.adj0: ; ---------------- - maskmovdqu xmmA,xmmE ; movntdqu XMMWORD [edi], xmmA - -%endif ; RGB_PIXELSIZE ; --------------- - -.endcolumn: - sfence ; flush the write buffer - -.return: - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved - pop ebx - mov esp,ebp ; esp <- aligned ebp - pop esp ; esp <- original ebp - pop ebp - ret - -; -------------------------------------------------------------------------- -; -; Upsample and color convert for the case of 2:1 horizontal and 2:1 vertical. -; -; GLOBAL(void) -; jsimd_h2v2_merged_upsample_sse2 (JDIMENSION output_width, -; JSAMPIMAGE input_buf, -; JDIMENSION in_row_group_ctr, -; JSAMPARRAY output_buf); -; - -%define output_width(b) (b)+8 ; JDIMENSION output_width -%define input_buf(b) (b)+12 ; JSAMPIMAGE input_buf -%define in_row_group_ctr(b) (b)+16 ; JDIMENSION in_row_group_ctr -%define output_buf(b) (b)+20 ; JSAMPARRAY output_buf - - align 16 - global EXTN(jsimd_h2v2_merged_upsample_sse2) - -EXTN(jsimd_h2v2_merged_upsample_sse2): - push ebp - mov ebp,esp - push ebx -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - mov eax, POINTER [output_width(ebp)] - - mov edi, JSAMPIMAGE [input_buf(ebp)] - mov ecx, JDIMENSION [in_row_group_ctr(ebp)] - mov esi, JSAMPARRAY [edi+0*SIZEOF_JSAMPARRAY] - mov ebx, JSAMPARRAY [edi+1*SIZEOF_JSAMPARRAY] - mov edx, JSAMPARRAY [edi+2*SIZEOF_JSAMPARRAY] - mov edi, JSAMPARRAY [output_buf(ebp)] - lea esi, [esi+ecx*SIZEOF_JSAMPROW] - - push edx ; inptr2 - push ebx ; inptr1 - push esi ; inptr00 - mov ebx,esp - - push edi ; output_buf (outptr0) - push ecx ; in_row_group_ctr - push ebx ; input_buf - push eax ; output_width - - call near EXTN(jsimd_h2v1_merged_upsample_sse2) - - add esi, byte SIZEOF_JSAMPROW ; inptr01 - add edi, byte SIZEOF_JSAMPROW ; outptr1 - mov POINTER [ebx+0*SIZEOF_POINTER], esi - mov POINTER [ebx-1*SIZEOF_POINTER], edi - - call near EXTN(jsimd_h2v1_merged_upsample_sse2) - - add esp, byte 7*SIZEOF_DWORD - - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved - pop ebx - pop ebp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jdsammmx.asm b/common/jpeg/simd/jdsammmx.asm deleted file mode 100644 index c09e5b96..00000000 --- a/common/jpeg/simd/jdsammmx.asm +++ /dev/null @@ -1,737 +0,0 @@ -; -; jdsammmx.asm - upsampling (MMX) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; [TAB8] - -%include "jsimdext.inc" - -; -------------------------------------------------------------------------- - SECTION SEG_CONST - - alignz 16 - global EXTN(jconst_fancy_upsample_mmx) - -EXTN(jconst_fancy_upsample_mmx): - -PW_ONE times 4 dw 1 -PW_TWO times 4 dw 2 -PW_THREE times 4 dw 3 -PW_SEVEN times 4 dw 7 -PW_EIGHT times 4 dw 8 - - alignz 16 - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 32 -; -; Fancy processing for the common case of 2:1 horizontal and 1:1 vertical. -; -; The upsampling algorithm is linear interpolation between pixel centers, -; also known as a "triangle filter". This is a good compromise between -; speed and visual quality. The centers of the output pixels are 1/4 and 3/4 -; of the way between input pixel centers. -; -; GLOBAL(void) -; jsimd_h2v1_fancy_upsample_mmx (int max_v_samp_factor, -; JDIMENSION downsampled_width, -; JSAMPARRAY input_data, -; JSAMPARRAY * output_data_ptr); -; - -%define max_v_samp(b) (b)+8 ; int max_v_samp_factor -%define downsamp_width(b) (b)+12 ; JDIMENSION downsampled_width -%define input_data(b) (b)+16 ; JSAMPARRAY input_data -%define output_data_ptr(b) (b)+20 ; JSAMPARRAY * output_data_ptr - - align 16 - global EXTN(jsimd_h2v1_fancy_upsample_mmx) - -EXTN(jsimd_h2v1_fancy_upsample_mmx): - push ebp - mov ebp,esp - pushpic ebx -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - get_GOT ebx ; get GOT address - - mov eax, JDIMENSION [downsamp_width(ebp)] ; colctr - test eax,eax - jz near .return - - mov ecx, INT [max_v_samp(ebp)] ; rowctr - test ecx,ecx - jz near .return - - mov esi, JSAMPARRAY [input_data(ebp)] ; input_data - mov edi, POINTER [output_data_ptr(ebp)] - mov edi, JSAMPARRAY [edi] ; output_data - alignx 16,7 -.rowloop: - push eax ; colctr - push edi - push esi - - mov esi, JSAMPROW [esi] ; inptr - mov edi, JSAMPROW [edi] ; outptr - - test eax, SIZEOF_MMWORD-1 - jz short .skip - mov dl, JSAMPLE [esi+(eax-1)*SIZEOF_JSAMPLE] - mov JSAMPLE [esi+eax*SIZEOF_JSAMPLE], dl ; insert a dummy sample -.skip: - pxor mm0,mm0 ; mm0=(all 0's) - pcmpeqb mm7,mm7 - psrlq mm7,(SIZEOF_MMWORD-1)*BYTE_BIT - pand mm7, MMWORD [esi+0*SIZEOF_MMWORD] - - add eax, byte SIZEOF_MMWORD-1 - and eax, byte -SIZEOF_MMWORD - cmp eax, byte SIZEOF_MMWORD - ja short .columnloop - alignx 16,7 - -.columnloop_last: - pcmpeqb mm6,mm6 - psllq mm6,(SIZEOF_MMWORD-1)*BYTE_BIT - pand mm6, MMWORD [esi+0*SIZEOF_MMWORD] - jmp short .upsample - alignx 16,7 - -.columnloop: - movq mm6, MMWORD [esi+1*SIZEOF_MMWORD] - psllq mm6,(SIZEOF_MMWORD-1)*BYTE_BIT - -.upsample: - movq mm1, MMWORD [esi+0*SIZEOF_MMWORD] - movq mm2,mm1 - movq mm3,mm1 ; mm1=( 0 1 2 3 4 5 6 7) - psllq mm2,BYTE_BIT ; mm2=( - 0 1 2 3 4 5 6) - psrlq mm3,BYTE_BIT ; mm3=( 1 2 3 4 5 6 7 -) - - por mm2,mm7 ; mm2=(-1 0 1 2 3 4 5 6) - por mm3,mm6 ; mm3=( 1 2 3 4 5 6 7 8) - - movq mm7,mm1 - psrlq mm7,(SIZEOF_MMWORD-1)*BYTE_BIT ; mm7=( 7 - - - - - - -) - - movq mm4,mm1 - punpcklbw mm1,mm0 ; mm1=( 0 1 2 3) - punpckhbw mm4,mm0 ; mm4=( 4 5 6 7) - movq mm5,mm2 - punpcklbw mm2,mm0 ; mm2=(-1 0 1 2) - punpckhbw mm5,mm0 ; mm5=( 3 4 5 6) - movq mm6,mm3 - punpcklbw mm3,mm0 ; mm3=( 1 2 3 4) - punpckhbw mm6,mm0 ; mm6=( 5 6 7 8) - - pmullw mm1,[GOTOFF(ebx,PW_THREE)] - pmullw mm4,[GOTOFF(ebx,PW_THREE)] - paddw mm2,[GOTOFF(ebx,PW_ONE)] - paddw mm5,[GOTOFF(ebx,PW_ONE)] - paddw mm3,[GOTOFF(ebx,PW_TWO)] - paddw mm6,[GOTOFF(ebx,PW_TWO)] - - paddw mm2,mm1 - paddw mm5,mm4 - psrlw mm2,2 ; mm2=OutLE=( 0 2 4 6) - psrlw mm5,2 ; mm5=OutHE=( 8 10 12 14) - paddw mm3,mm1 - paddw mm6,mm4 - psrlw mm3,2 ; mm3=OutLO=( 1 3 5 7) - psrlw mm6,2 ; mm6=OutHO=( 9 11 13 15) - - psllw mm3,BYTE_BIT - psllw mm6,BYTE_BIT - por mm2,mm3 ; mm2=OutL=( 0 1 2 3 4 5 6 7) - por mm5,mm6 ; mm5=OutH=( 8 9 10 11 12 13 14 15) - - movq MMWORD [edi+0*SIZEOF_MMWORD], mm2 - movq MMWORD [edi+1*SIZEOF_MMWORD], mm5 - - sub eax, byte SIZEOF_MMWORD - add esi, byte 1*SIZEOF_MMWORD ; inptr - add edi, byte 2*SIZEOF_MMWORD ; outptr - cmp eax, byte SIZEOF_MMWORD - ja near .columnloop - test eax,eax - jnz near .columnloop_last - - pop esi - pop edi - pop eax - - add esi, byte SIZEOF_JSAMPROW ; input_data - add edi, byte SIZEOF_JSAMPROW ; output_data - dec ecx ; rowctr - jg near .rowloop - - emms ; empty MMX state - -.return: - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved - poppic ebx - pop ebp - ret - -; -------------------------------------------------------------------------- -; -; Fancy processing for the common case of 2:1 horizontal and 2:1 vertical. -; Again a triangle filter; see comments for h2v1 case, above. -; -; GLOBAL(void) -; jsimd_h2v2_fancy_upsample_mmx (int max_v_samp_factor, -; JDIMENSION downsampled_width, -; JSAMPARRAY input_data, -; JSAMPARRAY * output_data_ptr); -; - -%define max_v_samp(b) (b)+8 ; int max_v_samp_factor -%define downsamp_width(b) (b)+12 ; JDIMENSION downsampled_width -%define input_data(b) (b)+16 ; JSAMPARRAY input_data -%define output_data_ptr(b) (b)+20 ; JSAMPARRAY * output_data_ptr - -%define original_ebp ebp+0 -%define wk(i) ebp-(WK_NUM-(i))*SIZEOF_MMWORD ; mmword wk[WK_NUM] -%define WK_NUM 4 -%define gotptr wk(0)-SIZEOF_POINTER ; void * gotptr - - align 16 - global EXTN(jsimd_h2v2_fancy_upsample_mmx) - -EXTN(jsimd_h2v2_fancy_upsample_mmx): - push ebp - mov eax,esp ; eax = original ebp - sub esp, byte 4 - and esp, byte (-SIZEOF_MMWORD) ; align to 64 bits - mov [esp],eax - mov ebp,esp ; ebp = aligned ebp - lea esp, [wk(0)] - pushpic eax ; make a room for GOT address - push ebx -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - get_GOT ebx ; get GOT address - movpic POINTER [gotptr], ebx ; save GOT address - - mov edx,eax ; edx = original ebp - mov eax, JDIMENSION [downsamp_width(edx)] ; colctr - test eax,eax - jz near .return - - mov ecx, INT [max_v_samp(edx)] ; rowctr - test ecx,ecx - jz near .return - - mov esi, JSAMPARRAY [input_data(edx)] ; input_data - mov edi, POINTER [output_data_ptr(edx)] - mov edi, JSAMPARRAY [edi] ; output_data - alignx 16,7 -.rowloop: - push eax ; colctr - push ecx - push edi - push esi - - mov ecx, JSAMPROW [esi-1*SIZEOF_JSAMPROW] ; inptr1(above) - mov ebx, JSAMPROW [esi+0*SIZEOF_JSAMPROW] ; inptr0 - mov esi, JSAMPROW [esi+1*SIZEOF_JSAMPROW] ; inptr1(below) - mov edx, JSAMPROW [edi+0*SIZEOF_JSAMPROW] ; outptr0 - mov edi, JSAMPROW [edi+1*SIZEOF_JSAMPROW] ; outptr1 - - test eax, SIZEOF_MMWORD-1 - jz short .skip - push edx - mov dl, JSAMPLE [ecx+(eax-1)*SIZEOF_JSAMPLE] - mov JSAMPLE [ecx+eax*SIZEOF_JSAMPLE], dl - mov dl, JSAMPLE [ebx+(eax-1)*SIZEOF_JSAMPLE] - mov JSAMPLE [ebx+eax*SIZEOF_JSAMPLE], dl - mov dl, JSAMPLE [esi+(eax-1)*SIZEOF_JSAMPLE] - mov JSAMPLE [esi+eax*SIZEOF_JSAMPLE], dl ; insert a dummy sample - pop edx -.skip: - ; -- process the first column block - - movq mm0, MMWORD [ebx+0*SIZEOF_MMWORD] ; mm0=row[ 0][0] - movq mm1, MMWORD [ecx+0*SIZEOF_MMWORD] ; mm1=row[-1][0] - movq mm2, MMWORD [esi+0*SIZEOF_MMWORD] ; mm2=row[+1][0] - - pushpic ebx - movpic ebx, POINTER [gotptr] ; load GOT address - - pxor mm3,mm3 ; mm3=(all 0's) - movq mm4,mm0 - punpcklbw mm0,mm3 ; mm0=row[ 0][0]( 0 1 2 3) - punpckhbw mm4,mm3 ; mm4=row[ 0][0]( 4 5 6 7) - movq mm5,mm1 - punpcklbw mm1,mm3 ; mm1=row[-1][0]( 0 1 2 3) - punpckhbw mm5,mm3 ; mm5=row[-1][0]( 4 5 6 7) - movq mm6,mm2 - punpcklbw mm2,mm3 ; mm2=row[+1][0]( 0 1 2 3) - punpckhbw mm6,mm3 ; mm6=row[+1][0]( 4 5 6 7) - - pmullw mm0,[GOTOFF(ebx,PW_THREE)] - pmullw mm4,[GOTOFF(ebx,PW_THREE)] - - pcmpeqb mm7,mm7 - psrlq mm7,(SIZEOF_MMWORD-2)*BYTE_BIT - - paddw mm1,mm0 ; mm1=Int0L=( 0 1 2 3) - paddw mm5,mm4 ; mm5=Int0H=( 4 5 6 7) - paddw mm2,mm0 ; mm2=Int1L=( 0 1 2 3) - paddw mm6,mm4 ; mm6=Int1H=( 4 5 6 7) - - movq MMWORD [edx+0*SIZEOF_MMWORD], mm1 ; temporarily save - movq MMWORD [edx+1*SIZEOF_MMWORD], mm5 ; the intermediate data - movq MMWORD [edi+0*SIZEOF_MMWORD], mm2 - movq MMWORD [edi+1*SIZEOF_MMWORD], mm6 - - pand mm1,mm7 ; mm1=( 0 - - -) - pand mm2,mm7 ; mm2=( 0 - - -) - - movq MMWORD [wk(0)], mm1 - movq MMWORD [wk(1)], mm2 - - poppic ebx - - add eax, byte SIZEOF_MMWORD-1 - and eax, byte -SIZEOF_MMWORD - cmp eax, byte SIZEOF_MMWORD - ja short .columnloop - alignx 16,7 - -.columnloop_last: - ; -- process the last column block - - pushpic ebx - movpic ebx, POINTER [gotptr] ; load GOT address - - pcmpeqb mm1,mm1 - psllq mm1,(SIZEOF_MMWORD-2)*BYTE_BIT - movq mm2,mm1 - - pand mm1, MMWORD [edx+1*SIZEOF_MMWORD] ; mm1=( - - - 7) - pand mm2, MMWORD [edi+1*SIZEOF_MMWORD] ; mm2=( - - - 7) - - movq MMWORD [wk(2)], mm1 - movq MMWORD [wk(3)], mm2 - - jmp short .upsample - alignx 16,7 - -.columnloop: - ; -- process the next column block - - movq mm0, MMWORD [ebx+1*SIZEOF_MMWORD] ; mm0=row[ 0][1] - movq mm1, MMWORD [ecx+1*SIZEOF_MMWORD] ; mm1=row[-1][1] - movq mm2, MMWORD [esi+1*SIZEOF_MMWORD] ; mm2=row[+1][1] - - pushpic ebx - movpic ebx, POINTER [gotptr] ; load GOT address - - pxor mm3,mm3 ; mm3=(all 0's) - movq mm4,mm0 - punpcklbw mm0,mm3 ; mm0=row[ 0][1]( 0 1 2 3) - punpckhbw mm4,mm3 ; mm4=row[ 0][1]( 4 5 6 7) - movq mm5,mm1 - punpcklbw mm1,mm3 ; mm1=row[-1][1]( 0 1 2 3) - punpckhbw mm5,mm3 ; mm5=row[-1][1]( 4 5 6 7) - movq mm6,mm2 - punpcklbw mm2,mm3 ; mm2=row[+1][1]( 0 1 2 3) - punpckhbw mm6,mm3 ; mm6=row[+1][1]( 4 5 6 7) - - pmullw mm0,[GOTOFF(ebx,PW_THREE)] - pmullw mm4,[GOTOFF(ebx,PW_THREE)] - - paddw mm1,mm0 ; mm1=Int0L=( 0 1 2 3) - paddw mm5,mm4 ; mm5=Int0H=( 4 5 6 7) - paddw mm2,mm0 ; mm2=Int1L=( 0 1 2 3) - paddw mm6,mm4 ; mm6=Int1H=( 4 5 6 7) - - movq MMWORD [edx+2*SIZEOF_MMWORD], mm1 ; temporarily save - movq MMWORD [edx+3*SIZEOF_MMWORD], mm5 ; the intermediate data - movq MMWORD [edi+2*SIZEOF_MMWORD], mm2 - movq MMWORD [edi+3*SIZEOF_MMWORD], mm6 - - psllq mm1,(SIZEOF_MMWORD-2)*BYTE_BIT ; mm1=( - - - 0) - psllq mm2,(SIZEOF_MMWORD-2)*BYTE_BIT ; mm2=( - - - 0) - - movq MMWORD [wk(2)], mm1 - movq MMWORD [wk(3)], mm2 - -.upsample: - ; -- process the upper row - - movq mm7, MMWORD [edx+0*SIZEOF_MMWORD] ; mm7=Int0L=( 0 1 2 3) - movq mm3, MMWORD [edx+1*SIZEOF_MMWORD] ; mm3=Int0H=( 4 5 6 7) - - movq mm0,mm7 - movq mm4,mm3 - psrlq mm0,2*BYTE_BIT ; mm0=( 1 2 3 -) - psllq mm4,(SIZEOF_MMWORD-2)*BYTE_BIT ; mm4=( - - - 4) - movq mm5,mm7 - movq mm6,mm3 - psrlq mm5,(SIZEOF_MMWORD-2)*BYTE_BIT ; mm5=( 3 - - -) - psllq mm6,2*BYTE_BIT ; mm6=( - 4 5 6) - - por mm0,mm4 ; mm0=( 1 2 3 4) - por mm5,mm6 ; mm5=( 3 4 5 6) - - movq mm1,mm7 - movq mm2,mm3 - psllq mm1,2*BYTE_BIT ; mm1=( - 0 1 2) - psrlq mm2,2*BYTE_BIT ; mm2=( 5 6 7 -) - movq mm4,mm3 - psrlq mm4,(SIZEOF_MMWORD-2)*BYTE_BIT ; mm4=( 7 - - -) - - por mm1, MMWORD [wk(0)] ; mm1=(-1 0 1 2) - por mm2, MMWORD [wk(2)] ; mm2=( 5 6 7 8) - - movq MMWORD [wk(0)], mm4 - - pmullw mm7,[GOTOFF(ebx,PW_THREE)] - pmullw mm3,[GOTOFF(ebx,PW_THREE)] - paddw mm1,[GOTOFF(ebx,PW_EIGHT)] - paddw mm5,[GOTOFF(ebx,PW_EIGHT)] - paddw mm0,[GOTOFF(ebx,PW_SEVEN)] - paddw mm2,[GOTOFF(ebx,PW_SEVEN)] - - paddw mm1,mm7 - paddw mm5,mm3 - psrlw mm1,4 ; mm1=Out0LE=( 0 2 4 6) - psrlw mm5,4 ; mm5=Out0HE=( 8 10 12 14) - paddw mm0,mm7 - paddw mm2,mm3 - psrlw mm0,4 ; mm0=Out0LO=( 1 3 5 7) - psrlw mm2,4 ; mm2=Out0HO=( 9 11 13 15) - - psllw mm0,BYTE_BIT - psllw mm2,BYTE_BIT - por mm1,mm0 ; mm1=Out0L=( 0 1 2 3 4 5 6 7) - por mm5,mm2 ; mm5=Out0H=( 8 9 10 11 12 13 14 15) - - movq MMWORD [edx+0*SIZEOF_MMWORD], mm1 - movq MMWORD [edx+1*SIZEOF_MMWORD], mm5 - - ; -- process the lower row - - movq mm6, MMWORD [edi+0*SIZEOF_MMWORD] ; mm6=Int1L=( 0 1 2 3) - movq mm4, MMWORD [edi+1*SIZEOF_MMWORD] ; mm4=Int1H=( 4 5 6 7) - - movq mm7,mm6 - movq mm3,mm4 - psrlq mm7,2*BYTE_BIT ; mm7=( 1 2 3 -) - psllq mm3,(SIZEOF_MMWORD-2)*BYTE_BIT ; mm3=( - - - 4) - movq mm0,mm6 - movq mm2,mm4 - psrlq mm0,(SIZEOF_MMWORD-2)*BYTE_BIT ; mm0=( 3 - - -) - psllq mm2,2*BYTE_BIT ; mm2=( - 4 5 6) - - por mm7,mm3 ; mm7=( 1 2 3 4) - por mm0,mm2 ; mm0=( 3 4 5 6) - - movq mm1,mm6 - movq mm5,mm4 - psllq mm1,2*BYTE_BIT ; mm1=( - 0 1 2) - psrlq mm5,2*BYTE_BIT ; mm5=( 5 6 7 -) - movq mm3,mm4 - psrlq mm3,(SIZEOF_MMWORD-2)*BYTE_BIT ; mm3=( 7 - - -) - - por mm1, MMWORD [wk(1)] ; mm1=(-1 0 1 2) - por mm5, MMWORD [wk(3)] ; mm5=( 5 6 7 8) - - movq MMWORD [wk(1)], mm3 - - pmullw mm6,[GOTOFF(ebx,PW_THREE)] - pmullw mm4,[GOTOFF(ebx,PW_THREE)] - paddw mm1,[GOTOFF(ebx,PW_EIGHT)] - paddw mm0,[GOTOFF(ebx,PW_EIGHT)] - paddw mm7,[GOTOFF(ebx,PW_SEVEN)] - paddw mm5,[GOTOFF(ebx,PW_SEVEN)] - - paddw mm1,mm6 - paddw mm0,mm4 - psrlw mm1,4 ; mm1=Out1LE=( 0 2 4 6) - psrlw mm0,4 ; mm0=Out1HE=( 8 10 12 14) - paddw mm7,mm6 - paddw mm5,mm4 - psrlw mm7,4 ; mm7=Out1LO=( 1 3 5 7) - psrlw mm5,4 ; mm5=Out1HO=( 9 11 13 15) - - psllw mm7,BYTE_BIT - psllw mm5,BYTE_BIT - por mm1,mm7 ; mm1=Out1L=( 0 1 2 3 4 5 6 7) - por mm0,mm5 ; mm0=Out1H=( 8 9 10 11 12 13 14 15) - - movq MMWORD [edi+0*SIZEOF_MMWORD], mm1 - movq MMWORD [edi+1*SIZEOF_MMWORD], mm0 - - poppic ebx - - sub eax, byte SIZEOF_MMWORD - add ecx, byte 1*SIZEOF_MMWORD ; inptr1(above) - add ebx, byte 1*SIZEOF_MMWORD ; inptr0 - add esi, byte 1*SIZEOF_MMWORD ; inptr1(below) - add edx, byte 2*SIZEOF_MMWORD ; outptr0 - add edi, byte 2*SIZEOF_MMWORD ; outptr1 - cmp eax, byte SIZEOF_MMWORD - ja near .columnloop - test eax,eax - jnz near .columnloop_last - - pop esi - pop edi - pop ecx - pop eax - - add esi, byte 1*SIZEOF_JSAMPROW ; input_data - add edi, byte 2*SIZEOF_JSAMPROW ; output_data - sub ecx, byte 2 ; rowctr - jg near .rowloop - - emms ; empty MMX state - -.return: - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved - pop ebx - mov esp,ebp ; esp <- aligned ebp - pop esp ; esp <- original ebp - pop ebp - ret - -; -------------------------------------------------------------------------- -; -; Fast processing for the common case of 2:1 horizontal and 1:1 vertical. -; It's still a box filter. -; -; GLOBAL(void) -; jsimd_h2v1_upsample_mmx (int max_v_samp_factor, -; JDIMENSION output_width, -; JSAMPARRAY input_data, -; JSAMPARRAY * output_data_ptr); -; - -%define max_v_samp(b) (b)+8 ; int max_v_samp_factor -%define output_width(b) (b)+12 ; JDIMENSION output_width -%define input_data(b) (b)+16 ; JSAMPARRAY input_data -%define output_data_ptr(b) (b)+20 ; JSAMPARRAY * output_data_ptr - - align 16 - global EXTN(jsimd_h2v1_upsample_mmx) - -EXTN(jsimd_h2v1_upsample_mmx): - push ebp - mov ebp,esp -; push ebx ; unused -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - mov edx, JDIMENSION [output_width(ebp)] - add edx, byte (2*SIZEOF_MMWORD)-1 - and edx, byte -(2*SIZEOF_MMWORD) - jz short .return - - mov ecx, INT [max_v_samp(ebp)] ; rowctr - test ecx,ecx - jz short .return - - mov esi, JSAMPARRAY [input_data(ebp)] ; input_data - mov edi, POINTER [output_data_ptr(ebp)] - mov edi, JSAMPARRAY [edi] ; output_data - alignx 16,7 -.rowloop: - push edi - push esi - - mov esi, JSAMPROW [esi] ; inptr - mov edi, JSAMPROW [edi] ; outptr - mov eax,edx ; colctr - alignx 16,7 -.columnloop: - - movq mm0, MMWORD [esi+0*SIZEOF_MMWORD] - - movq mm1,mm0 - punpcklbw mm0,mm0 - punpckhbw mm1,mm1 - - movq MMWORD [edi+0*SIZEOF_MMWORD], mm0 - movq MMWORD [edi+1*SIZEOF_MMWORD], mm1 - - sub eax, byte 2*SIZEOF_MMWORD - jz short .nextrow - - movq mm2, MMWORD [esi+1*SIZEOF_MMWORD] - - movq mm3,mm2 - punpcklbw mm2,mm2 - punpckhbw mm3,mm3 - - movq MMWORD [edi+2*SIZEOF_MMWORD], mm2 - movq MMWORD [edi+3*SIZEOF_MMWORD], mm3 - - sub eax, byte 2*SIZEOF_MMWORD - jz short .nextrow - - add esi, byte 2*SIZEOF_MMWORD ; inptr - add edi, byte 4*SIZEOF_MMWORD ; outptr - jmp short .columnloop - alignx 16,7 - -.nextrow: - pop esi - pop edi - - add esi, byte SIZEOF_JSAMPROW ; input_data - add edi, byte SIZEOF_JSAMPROW ; output_data - dec ecx ; rowctr - jg short .rowloop - - emms ; empty MMX state - -.return: - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved -; pop ebx ; unused - pop ebp - ret - -; -------------------------------------------------------------------------- -; -; Fast processing for the common case of 2:1 horizontal and 2:1 vertical. -; It's still a box filter. -; -; GLOBAL(void) -; jsimd_h2v2_upsample_mmx (int max_v_samp_factor, -; JDIMENSION output_width, -; JSAMPARRAY input_data, -; JSAMPARRAY * output_data_ptr); -; - -%define max_v_samp(b) (b)+8 ; int max_v_samp_factor -%define output_width(b) (b)+12 ; JDIMENSION output_width -%define input_data(b) (b)+16 ; JSAMPARRAY input_data -%define output_data_ptr(b) (b)+20 ; JSAMPARRAY * output_data_ptr - - align 16 - global EXTN(jsimd_h2v2_upsample_mmx) - -EXTN(jsimd_h2v2_upsample_mmx): - push ebp - mov ebp,esp - push ebx -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - mov edx, JDIMENSION [output_width(ebp)] - add edx, byte (2*SIZEOF_MMWORD)-1 - and edx, byte -(2*SIZEOF_MMWORD) - jz near .return - - mov ecx, INT [max_v_samp(ebp)] ; rowctr - test ecx,ecx - jz short .return - - mov esi, JSAMPARRAY [input_data(ebp)] ; input_data - mov edi, POINTER [output_data_ptr(ebp)] - mov edi, JSAMPARRAY [edi] ; output_data - alignx 16,7 -.rowloop: - push edi - push esi - - mov esi, JSAMPROW [esi] ; inptr - mov ebx, JSAMPROW [edi+0*SIZEOF_JSAMPROW] ; outptr0 - mov edi, JSAMPROW [edi+1*SIZEOF_JSAMPROW] ; outptr1 - mov eax,edx ; colctr - alignx 16,7 -.columnloop: - - movq mm0, MMWORD [esi+0*SIZEOF_MMWORD] - - movq mm1,mm0 - punpcklbw mm0,mm0 - punpckhbw mm1,mm1 - - movq MMWORD [ebx+0*SIZEOF_MMWORD], mm0 - movq MMWORD [ebx+1*SIZEOF_MMWORD], mm1 - movq MMWORD [edi+0*SIZEOF_MMWORD], mm0 - movq MMWORD [edi+1*SIZEOF_MMWORD], mm1 - - sub eax, byte 2*SIZEOF_MMWORD - jz short .nextrow - - movq mm2, MMWORD [esi+1*SIZEOF_MMWORD] - - movq mm3,mm2 - punpcklbw mm2,mm2 - punpckhbw mm3,mm3 - - movq MMWORD [ebx+2*SIZEOF_MMWORD], mm2 - movq MMWORD [ebx+3*SIZEOF_MMWORD], mm3 - movq MMWORD [edi+2*SIZEOF_MMWORD], mm2 - movq MMWORD [edi+3*SIZEOF_MMWORD], mm3 - - sub eax, byte 2*SIZEOF_MMWORD - jz short .nextrow - - add esi, byte 2*SIZEOF_MMWORD ; inptr - add ebx, byte 4*SIZEOF_MMWORD ; outptr0 - add edi, byte 4*SIZEOF_MMWORD ; outptr1 - jmp short .columnloop - alignx 16,7 - -.nextrow: - pop esi - pop edi - - add esi, byte 1*SIZEOF_JSAMPROW ; input_data - add edi, byte 2*SIZEOF_JSAMPROW ; output_data - sub ecx, byte 2 ; rowctr - jg short .rowloop - - emms ; empty MMX state - -.return: - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved - pop ebx - pop ebp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jdsamss2-64.asm b/common/jpeg/simd/jdsamss2-64.asm deleted file mode 100644 index f36c1562..00000000 --- a/common/jpeg/simd/jdsamss2-64.asm +++ /dev/null @@ -1,671 +0,0 @@ -; -; jdsamss2-64.asm - upsampling (64-bit SSE2) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; Copyright 2009 D. R. Commander -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; [TAB8] - -%include "jsimdext.inc" - -; -------------------------------------------------------------------------- - SECTION SEG_CONST - - alignz 16 - global EXTN(jconst_fancy_upsample_sse2) - -EXTN(jconst_fancy_upsample_sse2): - -PW_ONE times 8 dw 1 -PW_TWO times 8 dw 2 -PW_THREE times 8 dw 3 -PW_SEVEN times 8 dw 7 -PW_EIGHT times 8 dw 8 - - alignz 16 - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 64 -; -; Fancy processing for the common case of 2:1 horizontal and 1:1 vertical. -; -; The upsampling algorithm is linear interpolation between pixel centers, -; also known as a "triangle filter". This is a good compromise between -; speed and visual quality. The centers of the output pixels are 1/4 and 3/4 -; of the way between input pixel centers. -; -; GLOBAL(void) -; jsimd_h2v1_fancy_upsample_sse2 (int max_v_samp_factor, -; JDIMENSION downsampled_width, -; JSAMPARRAY input_data, -; JSAMPARRAY * output_data_ptr); -; - -; r10 = int max_v_samp_factor -; r11 = JDIMENSION downsampled_width -; r12 = JSAMPARRAY input_data -; r13 = JSAMPARRAY * output_data_ptr - - align 16 - global EXTN(jsimd_h2v1_fancy_upsample_sse2) - -EXTN(jsimd_h2v1_fancy_upsample_sse2): - push rbp - mov rax,rsp - mov rbp,rsp - collect_args - - mov rax, r11 ; colctr - test rax,rax - jz near .return - - mov rcx, r10 ; rowctr - test rcx,rcx - jz near .return - - mov rsi, r12 ; input_data - mov rdi, r13 - mov rdi, JSAMPARRAY [rdi] ; output_data -.rowloop: - push rax ; colctr - push rdi - push rsi - - mov rsi, JSAMPROW [rsi] ; inptr - mov rdi, JSAMPROW [rdi] ; outptr - - test rax, SIZEOF_XMMWORD-1 - jz short .skip - mov dl, JSAMPLE [rsi+(rax-1)*SIZEOF_JSAMPLE] - mov JSAMPLE [rsi+rax*SIZEOF_JSAMPLE], dl ; insert a dummy sample -.skip: - pxor xmm0,xmm0 ; xmm0=(all 0's) - pcmpeqb xmm7,xmm7 - psrldq xmm7,(SIZEOF_XMMWORD-1) - pand xmm7, XMMWORD [rsi+0*SIZEOF_XMMWORD] - - add rax, byte SIZEOF_XMMWORD-1 - and rax, byte -SIZEOF_XMMWORD - cmp rax, byte SIZEOF_XMMWORD - ja short .columnloop - -.columnloop_last: - pcmpeqb xmm6,xmm6 - pslldq xmm6,(SIZEOF_XMMWORD-1) - pand xmm6, XMMWORD [rsi+0*SIZEOF_XMMWORD] - jmp short .upsample - -.columnloop: - movdqa xmm6, XMMWORD [rsi+1*SIZEOF_XMMWORD] - pslldq xmm6,(SIZEOF_XMMWORD-1) - -.upsample: - movdqa xmm1, XMMWORD [rsi+0*SIZEOF_XMMWORD] - movdqa xmm2,xmm1 - movdqa xmm3,xmm1 ; xmm1=( 0 1 2 ... 13 14 15) - pslldq xmm2,1 ; xmm2=(-- 0 1 ... 12 13 14) - psrldq xmm3,1 ; xmm3=( 1 2 3 ... 14 15 --) - - por xmm2,xmm7 ; xmm2=(-1 0 1 ... 12 13 14) - por xmm3,xmm6 ; xmm3=( 1 2 3 ... 14 15 16) - - movdqa xmm7,xmm1 - psrldq xmm7,(SIZEOF_XMMWORD-1) ; xmm7=(15 -- -- ... -- -- --) - - movdqa xmm4,xmm1 - punpcklbw xmm1,xmm0 ; xmm1=( 0 1 2 3 4 5 6 7) - punpckhbw xmm4,xmm0 ; xmm4=( 8 9 10 11 12 13 14 15) - movdqa xmm5,xmm2 - punpcklbw xmm2,xmm0 ; xmm2=(-1 0 1 2 3 4 5 6) - punpckhbw xmm5,xmm0 ; xmm5=( 7 8 9 10 11 12 13 14) - movdqa xmm6,xmm3 - punpcklbw xmm3,xmm0 ; xmm3=( 1 2 3 4 5 6 7 8) - punpckhbw xmm6,xmm0 ; xmm6=( 9 10 11 12 13 14 15 16) - - pmullw xmm1,[rel PW_THREE] - pmullw xmm4,[rel PW_THREE] - paddw xmm2,[rel PW_ONE] - paddw xmm5,[rel PW_ONE] - paddw xmm3,[rel PW_TWO] - paddw xmm6,[rel PW_TWO] - - paddw xmm2,xmm1 - paddw xmm5,xmm4 - psrlw xmm2,2 ; xmm2=OutLE=( 0 2 4 6 8 10 12 14) - psrlw xmm5,2 ; xmm5=OutHE=(16 18 20 22 24 26 28 30) - paddw xmm3,xmm1 - paddw xmm6,xmm4 - psrlw xmm3,2 ; xmm3=OutLO=( 1 3 5 7 9 11 13 15) - psrlw xmm6,2 ; xmm6=OutHO=(17 19 21 23 25 27 29 31) - - psllw xmm3,BYTE_BIT - psllw xmm6,BYTE_BIT - por xmm2,xmm3 ; xmm2=OutL=( 0 1 2 ... 13 14 15) - por xmm5,xmm6 ; xmm5=OutH=(16 17 18 ... 29 30 31) - - movdqa XMMWORD [rdi+0*SIZEOF_XMMWORD], xmm2 - movdqa XMMWORD [rdi+1*SIZEOF_XMMWORD], xmm5 - - sub rax, byte SIZEOF_XMMWORD - add rsi, byte 1*SIZEOF_XMMWORD ; inptr - add rdi, byte 2*SIZEOF_XMMWORD ; outptr - cmp rax, byte SIZEOF_XMMWORD - ja near .columnloop - test eax,eax - jnz near .columnloop_last - - pop rsi - pop rdi - pop rax - - add rsi, byte SIZEOF_JSAMPROW ; input_data - add rdi, byte SIZEOF_JSAMPROW ; output_data - dec rcx ; rowctr - jg near .rowloop - -.return: - uncollect_args - pop rbp - ret - -; -------------------------------------------------------------------------- -; -; Fancy processing for the common case of 2:1 horizontal and 2:1 vertical. -; Again a triangle filter; see comments for h2v1 case, above. -; -; GLOBAL(void) -; jsimd_h2v2_fancy_upsample_sse2 (int max_v_samp_factor, -; JDIMENSION downsampled_width, -; JSAMPARRAY input_data, -; JSAMPARRAY * output_data_ptr); -; - -; r10 = int max_v_samp_factor -; r11 = JDIMENSION downsampled_width -; r12 = JSAMPARRAY input_data -; r13 = JSAMPARRAY * output_data_ptr - -%define wk(i) rbp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM] -%define WK_NUM 4 - - align 16 - global EXTN(jsimd_h2v2_fancy_upsample_sse2) - -EXTN(jsimd_h2v2_fancy_upsample_sse2): - push rbp - mov rax,rsp ; rax = original rbp - sub rsp, byte 4 - and rsp, byte (-SIZEOF_XMMWORD) ; align to 128 bits - mov [rsp],rax - mov rbp,rsp ; rbp = aligned rbp - lea rsp, [wk(0)] - collect_args - push rbx - - mov rax, r11 ; colctr - test rax,rax - jz near .return - - mov rcx, r10 ; rowctr - test rcx,rcx - jz near .return - - mov rsi, r12 ; input_data - mov rdi, r13 - mov rdi, JSAMPARRAY [rdi] ; output_data -.rowloop: - push rax ; colctr - push rcx - push rdi - push rsi - - mov rcx, JSAMPROW [rsi-1*SIZEOF_JSAMPROW] ; inptr1(above) - mov rbx, JSAMPROW [rsi+0*SIZEOF_JSAMPROW] ; inptr0 - mov rsi, JSAMPROW [rsi+1*SIZEOF_JSAMPROW] ; inptr1(below) - mov rdx, JSAMPROW [rdi+0*SIZEOF_JSAMPROW] ; outptr0 - mov rdi, JSAMPROW [rdi+1*SIZEOF_JSAMPROW] ; outptr1 - - test rax, SIZEOF_XMMWORD-1 - jz short .skip - push rdx - mov dl, JSAMPLE [rcx+(rax-1)*SIZEOF_JSAMPLE] - mov JSAMPLE [rcx+rax*SIZEOF_JSAMPLE], dl - mov dl, JSAMPLE [rbx+(rax-1)*SIZEOF_JSAMPLE] - mov JSAMPLE [rbx+rax*SIZEOF_JSAMPLE], dl - mov dl, JSAMPLE [rsi+(rax-1)*SIZEOF_JSAMPLE] - mov JSAMPLE [rsi+rax*SIZEOF_JSAMPLE], dl ; insert a dummy sample - pop rdx -.skip: - ; -- process the first column block - - movdqa xmm0, XMMWORD [rbx+0*SIZEOF_XMMWORD] ; xmm0=row[ 0][0] - movdqa xmm1, XMMWORD [rcx+0*SIZEOF_XMMWORD] ; xmm1=row[-1][0] - movdqa xmm2, XMMWORD [rsi+0*SIZEOF_XMMWORD] ; xmm2=row[+1][0] - - pxor xmm3,xmm3 ; xmm3=(all 0's) - movdqa xmm4,xmm0 - punpcklbw xmm0,xmm3 ; xmm0=row[ 0]( 0 1 2 3 4 5 6 7) - punpckhbw xmm4,xmm3 ; xmm4=row[ 0]( 8 9 10 11 12 13 14 15) - movdqa xmm5,xmm1 - punpcklbw xmm1,xmm3 ; xmm1=row[-1]( 0 1 2 3 4 5 6 7) - punpckhbw xmm5,xmm3 ; xmm5=row[-1]( 8 9 10 11 12 13 14 15) - movdqa xmm6,xmm2 - punpcklbw xmm2,xmm3 ; xmm2=row[+1]( 0 1 2 3 4 5 6 7) - punpckhbw xmm6,xmm3 ; xmm6=row[+1]( 8 9 10 11 12 13 14 15) - - pmullw xmm0,[rel PW_THREE] - pmullw xmm4,[rel PW_THREE] - - pcmpeqb xmm7,xmm7 - psrldq xmm7,(SIZEOF_XMMWORD-2) - - paddw xmm1,xmm0 ; xmm1=Int0L=( 0 1 2 3 4 5 6 7) - paddw xmm5,xmm4 ; xmm5=Int0H=( 8 9 10 11 12 13 14 15) - paddw xmm2,xmm0 ; xmm2=Int1L=( 0 1 2 3 4 5 6 7) - paddw xmm6,xmm4 ; xmm6=Int1H=( 8 9 10 11 12 13 14 15) - - movdqa XMMWORD [rdx+0*SIZEOF_XMMWORD], xmm1 ; temporarily save - movdqa XMMWORD [rdx+1*SIZEOF_XMMWORD], xmm5 ; the intermediate data - movdqa XMMWORD [rdi+0*SIZEOF_XMMWORD], xmm2 - movdqa XMMWORD [rdi+1*SIZEOF_XMMWORD], xmm6 - - pand xmm1,xmm7 ; xmm1=( 0 -- -- -- -- -- -- --) - pand xmm2,xmm7 ; xmm2=( 0 -- -- -- -- -- -- --) - - movdqa XMMWORD [wk(0)], xmm1 - movdqa XMMWORD [wk(1)], xmm2 - - add rax, byte SIZEOF_XMMWORD-1 - and rax, byte -SIZEOF_XMMWORD - cmp rax, byte SIZEOF_XMMWORD - ja short .columnloop - -.columnloop_last: - ; -- process the last column block - - pcmpeqb xmm1,xmm1 - pslldq xmm1,(SIZEOF_XMMWORD-2) - movdqa xmm2,xmm1 - - pand xmm1, XMMWORD [rdx+1*SIZEOF_XMMWORD] - pand xmm2, XMMWORD [rdi+1*SIZEOF_XMMWORD] - - movdqa XMMWORD [wk(2)], xmm1 ; xmm1=(-- -- -- -- -- -- -- 15) - movdqa XMMWORD [wk(3)], xmm2 ; xmm2=(-- -- -- -- -- -- -- 15) - - jmp near .upsample - -.columnloop: - ; -- process the next column block - - movdqa xmm0, XMMWORD [rbx+1*SIZEOF_XMMWORD] ; xmm0=row[ 0][1] - movdqa xmm1, XMMWORD [rcx+1*SIZEOF_XMMWORD] ; xmm1=row[-1][1] - movdqa xmm2, XMMWORD [rsi+1*SIZEOF_XMMWORD] ; xmm2=row[+1][1] - - pxor xmm3,xmm3 ; xmm3=(all 0's) - movdqa xmm4,xmm0 - punpcklbw xmm0,xmm3 ; xmm0=row[ 0]( 0 1 2 3 4 5 6 7) - punpckhbw xmm4,xmm3 ; xmm4=row[ 0]( 8 9 10 11 12 13 14 15) - movdqa xmm5,xmm1 - punpcklbw xmm1,xmm3 ; xmm1=row[-1]( 0 1 2 3 4 5 6 7) - punpckhbw xmm5,xmm3 ; xmm5=row[-1]( 8 9 10 11 12 13 14 15) - movdqa xmm6,xmm2 - punpcklbw xmm2,xmm3 ; xmm2=row[+1]( 0 1 2 3 4 5 6 7) - punpckhbw xmm6,xmm3 ; xmm6=row[+1]( 8 9 10 11 12 13 14 15) - - pmullw xmm0,[rel PW_THREE] - pmullw xmm4,[rel PW_THREE] - - paddw xmm1,xmm0 ; xmm1=Int0L=( 0 1 2 3 4 5 6 7) - paddw xmm5,xmm4 ; xmm5=Int0H=( 8 9 10 11 12 13 14 15) - paddw xmm2,xmm0 ; xmm2=Int1L=( 0 1 2 3 4 5 6 7) - paddw xmm6,xmm4 ; xmm6=Int1H=( 8 9 10 11 12 13 14 15) - - movdqa XMMWORD [rdx+2*SIZEOF_XMMWORD], xmm1 ; temporarily save - movdqa XMMWORD [rdx+3*SIZEOF_XMMWORD], xmm5 ; the intermediate data - movdqa XMMWORD [rdi+2*SIZEOF_XMMWORD], xmm2 - movdqa XMMWORD [rdi+3*SIZEOF_XMMWORD], xmm6 - - pslldq xmm1,(SIZEOF_XMMWORD-2) ; xmm1=(-- -- -- -- -- -- -- 0) - pslldq xmm2,(SIZEOF_XMMWORD-2) ; xmm2=(-- -- -- -- -- -- -- 0) - - movdqa XMMWORD [wk(2)], xmm1 - movdqa XMMWORD [wk(3)], xmm2 - -.upsample: - ; -- process the upper row - - movdqa xmm7, XMMWORD [rdx+0*SIZEOF_XMMWORD] - movdqa xmm3, XMMWORD [rdx+1*SIZEOF_XMMWORD] - - movdqa xmm0,xmm7 ; xmm7=Int0L=( 0 1 2 3 4 5 6 7) - movdqa xmm4,xmm3 ; xmm3=Int0H=( 8 9 10 11 12 13 14 15) - psrldq xmm0,2 ; xmm0=( 1 2 3 4 5 6 7 --) - pslldq xmm4,(SIZEOF_XMMWORD-2) ; xmm4=(-- -- -- -- -- -- -- 8) - movdqa xmm5,xmm7 - movdqa xmm6,xmm3 - psrldq xmm5,(SIZEOF_XMMWORD-2) ; xmm5=( 7 -- -- -- -- -- -- --) - pslldq xmm6,2 ; xmm6=(-- 8 9 10 11 12 13 14) - - por xmm0,xmm4 ; xmm0=( 1 2 3 4 5 6 7 8) - por xmm5,xmm6 ; xmm5=( 7 8 9 10 11 12 13 14) - - movdqa xmm1,xmm7 - movdqa xmm2,xmm3 - pslldq xmm1,2 ; xmm1=(-- 0 1 2 3 4 5 6) - psrldq xmm2,2 ; xmm2=( 9 10 11 12 13 14 15 --) - movdqa xmm4,xmm3 - psrldq xmm4,(SIZEOF_XMMWORD-2) ; xmm4=(15 -- -- -- -- -- -- --) - - por xmm1, XMMWORD [wk(0)] ; xmm1=(-1 0 1 2 3 4 5 6) - por xmm2, XMMWORD [wk(2)] ; xmm2=( 9 10 11 12 13 14 15 16) - - movdqa XMMWORD [wk(0)], xmm4 - - pmullw xmm7,[rel PW_THREE] - pmullw xmm3,[rel PW_THREE] - paddw xmm1,[rel PW_EIGHT] - paddw xmm5,[rel PW_EIGHT] - paddw xmm0,[rel PW_SEVEN] - paddw xmm2,[rel PW_SEVEN] - - paddw xmm1,xmm7 - paddw xmm5,xmm3 - psrlw xmm1,4 ; xmm1=Out0LE=( 0 2 4 6 8 10 12 14) - psrlw xmm5,4 ; xmm5=Out0HE=(16 18 20 22 24 26 28 30) - paddw xmm0,xmm7 - paddw xmm2,xmm3 - psrlw xmm0,4 ; xmm0=Out0LO=( 1 3 5 7 9 11 13 15) - psrlw xmm2,4 ; xmm2=Out0HO=(17 19 21 23 25 27 29 31) - - psllw xmm0,BYTE_BIT - psllw xmm2,BYTE_BIT - por xmm1,xmm0 ; xmm1=Out0L=( 0 1 2 ... 13 14 15) - por xmm5,xmm2 ; xmm5=Out0H=(16 17 18 ... 29 30 31) - - movdqa XMMWORD [rdx+0*SIZEOF_XMMWORD], xmm1 - movdqa XMMWORD [rdx+1*SIZEOF_XMMWORD], xmm5 - - ; -- process the lower row - - movdqa xmm6, XMMWORD [rdi+0*SIZEOF_XMMWORD] - movdqa xmm4, XMMWORD [rdi+1*SIZEOF_XMMWORD] - - movdqa xmm7,xmm6 ; xmm6=Int1L=( 0 1 2 3 4 5 6 7) - movdqa xmm3,xmm4 ; xmm4=Int1H=( 8 9 10 11 12 13 14 15) - psrldq xmm7,2 ; xmm7=( 1 2 3 4 5 6 7 --) - pslldq xmm3,(SIZEOF_XMMWORD-2) ; xmm3=(-- -- -- -- -- -- -- 8) - movdqa xmm0,xmm6 - movdqa xmm2,xmm4 - psrldq xmm0,(SIZEOF_XMMWORD-2) ; xmm0=( 7 -- -- -- -- -- -- --) - pslldq xmm2,2 ; xmm2=(-- 8 9 10 11 12 13 14) - - por xmm7,xmm3 ; xmm7=( 1 2 3 4 5 6 7 8) - por xmm0,xmm2 ; xmm0=( 7 8 9 10 11 12 13 14) - - movdqa xmm1,xmm6 - movdqa xmm5,xmm4 - pslldq xmm1,2 ; xmm1=(-- 0 1 2 3 4 5 6) - psrldq xmm5,2 ; xmm5=( 9 10 11 12 13 14 15 --) - movdqa xmm3,xmm4 - psrldq xmm3,(SIZEOF_XMMWORD-2) ; xmm3=(15 -- -- -- -- -- -- --) - - por xmm1, XMMWORD [wk(1)] ; xmm1=(-1 0 1 2 3 4 5 6) - por xmm5, XMMWORD [wk(3)] ; xmm5=( 9 10 11 12 13 14 15 16) - - movdqa XMMWORD [wk(1)], xmm3 - - pmullw xmm6,[rel PW_THREE] - pmullw xmm4,[rel PW_THREE] - paddw xmm1,[rel PW_EIGHT] - paddw xmm0,[rel PW_EIGHT] - paddw xmm7,[rel PW_SEVEN] - paddw xmm5,[rel PW_SEVEN] - - paddw xmm1,xmm6 - paddw xmm0,xmm4 - psrlw xmm1,4 ; xmm1=Out1LE=( 0 2 4 6 8 10 12 14) - psrlw xmm0,4 ; xmm0=Out1HE=(16 18 20 22 24 26 28 30) - paddw xmm7,xmm6 - paddw xmm5,xmm4 - psrlw xmm7,4 ; xmm7=Out1LO=( 1 3 5 7 9 11 13 15) - psrlw xmm5,4 ; xmm5=Out1HO=(17 19 21 23 25 27 29 31) - - psllw xmm7,BYTE_BIT - psllw xmm5,BYTE_BIT - por xmm1,xmm7 ; xmm1=Out1L=( 0 1 2 ... 13 14 15) - por xmm0,xmm5 ; xmm0=Out1H=(16 17 18 ... 29 30 31) - - movdqa XMMWORD [rdi+0*SIZEOF_XMMWORD], xmm1 - movdqa XMMWORD [rdi+1*SIZEOF_XMMWORD], xmm0 - - sub rax, byte SIZEOF_XMMWORD - add rcx, byte 1*SIZEOF_XMMWORD ; inptr1(above) - add rbx, byte 1*SIZEOF_XMMWORD ; inptr0 - add rsi, byte 1*SIZEOF_XMMWORD ; inptr1(below) - add rdx, byte 2*SIZEOF_XMMWORD ; outptr0 - add rdi, byte 2*SIZEOF_XMMWORD ; outptr1 - cmp rax, byte SIZEOF_XMMWORD - ja near .columnloop - test rax,rax - jnz near .columnloop_last - - pop rsi - pop rdi - pop rcx - pop rax - - add rsi, byte 1*SIZEOF_JSAMPROW ; input_data - add rdi, byte 2*SIZEOF_JSAMPROW ; output_data - sub rcx, byte 2 ; rowctr - jg near .rowloop - -.return: - pop rbx - uncollect_args - mov rsp,rbp ; rsp <- aligned rbp - pop rsp ; rsp <- original rbp - pop rbp - ret - -; -------------------------------------------------------------------------- -; -; Fast processing for the common case of 2:1 horizontal and 1:1 vertical. -; It's still a box filter. -; -; GLOBAL(void) -; jsimd_h2v1_upsample_sse2 (int max_v_samp_factor, -; JDIMENSION output_width, -; JSAMPARRAY input_data, -; JSAMPARRAY * output_data_ptr); -; - -; r10 = int max_v_samp_factor -; r11 = JDIMENSION output_width -; r12 = JSAMPARRAY input_data -; r13 = JSAMPARRAY * output_data_ptr - - align 16 - global EXTN(jsimd_h2v1_upsample_sse2) - -EXTN(jsimd_h2v1_upsample_sse2): - push rbp - mov rax,rsp - mov rbp,rsp - collect_args - - mov rdx, r11 - add rdx, byte (2*SIZEOF_XMMWORD)-1 - and rdx, byte -(2*SIZEOF_XMMWORD) - jz near .return - - mov rcx, r10 ; rowctr - test rcx,rcx - jz short .return - - mov rsi, r12 ; input_data - mov rdi, r13 - mov rdi, JSAMPARRAY [rdi] ; output_data -.rowloop: - push rdi - push rsi - - mov rsi, JSAMPROW [rsi] ; inptr - mov rdi, JSAMPROW [rdi] ; outptr - mov rax,rdx ; colctr -.columnloop: - - movdqa xmm0, XMMWORD [rsi+0*SIZEOF_XMMWORD] - - movdqa xmm1,xmm0 - punpcklbw xmm0,xmm0 - punpckhbw xmm1,xmm1 - - movdqa XMMWORD [rdi+0*SIZEOF_XMMWORD], xmm0 - movdqa XMMWORD [rdi+1*SIZEOF_XMMWORD], xmm1 - - sub rax, byte 2*SIZEOF_XMMWORD - jz short .nextrow - - movdqa xmm2, XMMWORD [rsi+1*SIZEOF_XMMWORD] - - movdqa xmm3,xmm2 - punpcklbw xmm2,xmm2 - punpckhbw xmm3,xmm3 - - movdqa XMMWORD [rdi+2*SIZEOF_XMMWORD], xmm2 - movdqa XMMWORD [rdi+3*SIZEOF_XMMWORD], xmm3 - - sub rax, byte 2*SIZEOF_XMMWORD - jz short .nextrow - - add rsi, byte 2*SIZEOF_XMMWORD ; inptr - add rdi, byte 4*SIZEOF_XMMWORD ; outptr - jmp short .columnloop - -.nextrow: - pop rsi - pop rdi - - add rsi, byte SIZEOF_JSAMPROW ; input_data - add rdi, byte SIZEOF_JSAMPROW ; output_data - dec rcx ; rowctr - jg short .rowloop - -.return: - uncollect_args - pop rbp - ret - -; -------------------------------------------------------------------------- -; -; Fast processing for the common case of 2:1 horizontal and 2:1 vertical. -; It's still a box filter. -; -; GLOBAL(void) -; jsimd_h2v2_upsample_sse2 (nt max_v_samp_factor, -; JDIMENSION output_width, -; JSAMPARRAY input_data, -; JSAMPARRAY * output_data_ptr); -; - -; r10 = int max_v_samp_factor -; r11 = JDIMENSION output_width -; r12 = JSAMPARRAY input_data -; r13 = JSAMPARRAY * output_data_ptr - - align 16 - global EXTN(jsimd_h2v2_upsample_sse2) - -EXTN(jsimd_h2v2_upsample_sse2): - push rbp - mov rax,rsp - mov rbp,rsp - collect_args - push rbx - - mov rdx, r11 - add rdx, byte (2*SIZEOF_XMMWORD)-1 - and rdx, byte -(2*SIZEOF_XMMWORD) - jz near .return - - mov rcx, r10 ; rowctr - test rcx,rcx - jz near .return - - mov rsi, r12 ; input_data - mov rdi, r13 - mov rdi, JSAMPARRAY [rdi] ; output_data -.rowloop: - push rdi - push rsi - - mov rsi, JSAMPROW [rsi] ; inptr - mov rbx, JSAMPROW [rdi+0*SIZEOF_JSAMPROW] ; outptr0 - mov rdi, JSAMPROW [rdi+1*SIZEOF_JSAMPROW] ; outptr1 - mov rax,rdx ; colctr -.columnloop: - - movdqa xmm0, XMMWORD [rsi+0*SIZEOF_XMMWORD] - - movdqa xmm1,xmm0 - punpcklbw xmm0,xmm0 - punpckhbw xmm1,xmm1 - - movdqa XMMWORD [rbx+0*SIZEOF_XMMWORD], xmm0 - movdqa XMMWORD [rbx+1*SIZEOF_XMMWORD], xmm1 - movdqa XMMWORD [rdi+0*SIZEOF_XMMWORD], xmm0 - movdqa XMMWORD [rdi+1*SIZEOF_XMMWORD], xmm1 - - sub rax, byte 2*SIZEOF_XMMWORD - jz short .nextrow - - movdqa xmm2, XMMWORD [rsi+1*SIZEOF_XMMWORD] - - movdqa xmm3,xmm2 - punpcklbw xmm2,xmm2 - punpckhbw xmm3,xmm3 - - movdqa XMMWORD [rbx+2*SIZEOF_XMMWORD], xmm2 - movdqa XMMWORD [rbx+3*SIZEOF_XMMWORD], xmm3 - movdqa XMMWORD [rdi+2*SIZEOF_XMMWORD], xmm2 - movdqa XMMWORD [rdi+3*SIZEOF_XMMWORD], xmm3 - - sub rax, byte 2*SIZEOF_XMMWORD - jz short .nextrow - - add rsi, byte 2*SIZEOF_XMMWORD ; inptr - add rbx, byte 4*SIZEOF_XMMWORD ; outptr0 - add rdi, byte 4*SIZEOF_XMMWORD ; outptr1 - jmp short .columnloop - -.nextrow: - pop rsi - pop rdi - - add rsi, byte 1*SIZEOF_JSAMPROW ; input_data - add rdi, byte 2*SIZEOF_JSAMPROW ; output_data - sub rcx, byte 2 ; rowctr - jg near .rowloop - -.return: - pop rbx - uncollect_args - pop rbp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jdsamss2.asm b/common/jpeg/simd/jdsamss2.asm deleted file mode 100644 index b5c863b4..00000000 --- a/common/jpeg/simd/jdsamss2.asm +++ /dev/null @@ -1,729 +0,0 @@ -; -; jdsamss2.asm - upsampling (SSE2) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; [TAB8] - -%include "jsimdext.inc" - -; -------------------------------------------------------------------------- - SECTION SEG_CONST - - alignz 16 - global EXTN(jconst_fancy_upsample_sse2) - -EXTN(jconst_fancy_upsample_sse2): - -PW_ONE times 8 dw 1 -PW_TWO times 8 dw 2 -PW_THREE times 8 dw 3 -PW_SEVEN times 8 dw 7 -PW_EIGHT times 8 dw 8 - - alignz 16 - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 32 -; -; Fancy processing for the common case of 2:1 horizontal and 1:1 vertical. -; -; The upsampling algorithm is linear interpolation between pixel centers, -; also known as a "triangle filter". This is a good compromise between -; speed and visual quality. The centers of the output pixels are 1/4 and 3/4 -; of the way between input pixel centers. -; -; GLOBAL(void) -; jsimd_h2v1_fancy_upsample_sse2 (int max_v_samp_factor, -; JDIMENSION downsampled_width, -; JSAMPARRAY input_data, -; JSAMPARRAY * output_data_ptr); -; - -%define max_v_samp(b) (b)+8 ; int max_v_samp_factor -%define downsamp_width(b) (b)+12 ; JDIMENSION downsampled_width -%define input_data(b) (b)+16 ; JSAMPARRAY input_data -%define output_data_ptr(b) (b)+20 ; JSAMPARRAY * output_data_ptr - - align 16 - global EXTN(jsimd_h2v1_fancy_upsample_sse2) - -EXTN(jsimd_h2v1_fancy_upsample_sse2): - push ebp - mov ebp,esp - pushpic ebx -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - get_GOT ebx ; get GOT address - - mov eax, JDIMENSION [downsamp_width(ebp)] ; colctr - test eax,eax - jz near .return - - mov ecx, INT [max_v_samp(ebp)] ; rowctr - test ecx,ecx - jz near .return - - mov esi, JSAMPARRAY [input_data(ebp)] ; input_data - mov edi, POINTER [output_data_ptr(ebp)] - mov edi, JSAMPARRAY [edi] ; output_data - alignx 16,7 -.rowloop: - push eax ; colctr - push edi - push esi - - mov esi, JSAMPROW [esi] ; inptr - mov edi, JSAMPROW [edi] ; outptr - - test eax, SIZEOF_XMMWORD-1 - jz short .skip - mov dl, JSAMPLE [esi+(eax-1)*SIZEOF_JSAMPLE] - mov JSAMPLE [esi+eax*SIZEOF_JSAMPLE], dl ; insert a dummy sample -.skip: - pxor xmm0,xmm0 ; xmm0=(all 0's) - pcmpeqb xmm7,xmm7 - psrldq xmm7,(SIZEOF_XMMWORD-1) - pand xmm7, XMMWORD [esi+0*SIZEOF_XMMWORD] - - add eax, byte SIZEOF_XMMWORD-1 - and eax, byte -SIZEOF_XMMWORD - cmp eax, byte SIZEOF_XMMWORD - ja short .columnloop - alignx 16,7 - -.columnloop_last: - pcmpeqb xmm6,xmm6 - pslldq xmm6,(SIZEOF_XMMWORD-1) - pand xmm6, XMMWORD [esi+0*SIZEOF_XMMWORD] - jmp short .upsample - alignx 16,7 - -.columnloop: - movdqa xmm6, XMMWORD [esi+1*SIZEOF_XMMWORD] - pslldq xmm6,(SIZEOF_XMMWORD-1) - -.upsample: - movdqa xmm1, XMMWORD [esi+0*SIZEOF_XMMWORD] - movdqa xmm2,xmm1 - movdqa xmm3,xmm1 ; xmm1=( 0 1 2 ... 13 14 15) - pslldq xmm2,1 ; xmm2=(-- 0 1 ... 12 13 14) - psrldq xmm3,1 ; xmm3=( 1 2 3 ... 14 15 --) - - por xmm2,xmm7 ; xmm2=(-1 0 1 ... 12 13 14) - por xmm3,xmm6 ; xmm3=( 1 2 3 ... 14 15 16) - - movdqa xmm7,xmm1 - psrldq xmm7,(SIZEOF_XMMWORD-1) ; xmm7=(15 -- -- ... -- -- --) - - movdqa xmm4,xmm1 - punpcklbw xmm1,xmm0 ; xmm1=( 0 1 2 3 4 5 6 7) - punpckhbw xmm4,xmm0 ; xmm4=( 8 9 10 11 12 13 14 15) - movdqa xmm5,xmm2 - punpcklbw xmm2,xmm0 ; xmm2=(-1 0 1 2 3 4 5 6) - punpckhbw xmm5,xmm0 ; xmm5=( 7 8 9 10 11 12 13 14) - movdqa xmm6,xmm3 - punpcklbw xmm3,xmm0 ; xmm3=( 1 2 3 4 5 6 7 8) - punpckhbw xmm6,xmm0 ; xmm6=( 9 10 11 12 13 14 15 16) - - pmullw xmm1,[GOTOFF(ebx,PW_THREE)] - pmullw xmm4,[GOTOFF(ebx,PW_THREE)] - paddw xmm2,[GOTOFF(ebx,PW_ONE)] - paddw xmm5,[GOTOFF(ebx,PW_ONE)] - paddw xmm3,[GOTOFF(ebx,PW_TWO)] - paddw xmm6,[GOTOFF(ebx,PW_TWO)] - - paddw xmm2,xmm1 - paddw xmm5,xmm4 - psrlw xmm2,2 ; xmm2=OutLE=( 0 2 4 6 8 10 12 14) - psrlw xmm5,2 ; xmm5=OutHE=(16 18 20 22 24 26 28 30) - paddw xmm3,xmm1 - paddw xmm6,xmm4 - psrlw xmm3,2 ; xmm3=OutLO=( 1 3 5 7 9 11 13 15) - psrlw xmm6,2 ; xmm6=OutHO=(17 19 21 23 25 27 29 31) - - psllw xmm3,BYTE_BIT - psllw xmm6,BYTE_BIT - por xmm2,xmm3 ; xmm2=OutL=( 0 1 2 ... 13 14 15) - por xmm5,xmm6 ; xmm5=OutH=(16 17 18 ... 29 30 31) - - movdqa XMMWORD [edi+0*SIZEOF_XMMWORD], xmm2 - movdqa XMMWORD [edi+1*SIZEOF_XMMWORD], xmm5 - - sub eax, byte SIZEOF_XMMWORD - add esi, byte 1*SIZEOF_XMMWORD ; inptr - add edi, byte 2*SIZEOF_XMMWORD ; outptr - cmp eax, byte SIZEOF_XMMWORD - ja near .columnloop - test eax,eax - jnz near .columnloop_last - - pop esi - pop edi - pop eax - - add esi, byte SIZEOF_JSAMPROW ; input_data - add edi, byte SIZEOF_JSAMPROW ; output_data - dec ecx ; rowctr - jg near .rowloop - -.return: - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved - poppic ebx - pop ebp - ret - -; -------------------------------------------------------------------------- -; -; Fancy processing for the common case of 2:1 horizontal and 2:1 vertical. -; Again a triangle filter; see comments for h2v1 case, above. -; -; GLOBAL(void) -; jsimd_h2v2_fancy_upsample_sse2 (int max_v_samp_factor, -; JDIMENSION downsampled_width, -; JSAMPARRAY input_data, -; JSAMPARRAY * output_data_ptr); -; - -%define max_v_samp(b) (b)+8 ; int max_v_samp_factor -%define downsamp_width(b) (b)+12 ; JDIMENSION downsampled_width -%define input_data(b) (b)+16 ; JSAMPARRAY input_data -%define output_data_ptr(b) (b)+20 ; JSAMPARRAY * output_data_ptr - -%define original_ebp ebp+0 -%define wk(i) ebp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM] -%define WK_NUM 4 -%define gotptr wk(0)-SIZEOF_POINTER ; void * gotptr - - align 16 - global EXTN(jsimd_h2v2_fancy_upsample_sse2) - -EXTN(jsimd_h2v2_fancy_upsample_sse2): - push ebp - mov eax,esp ; eax = original ebp - sub esp, byte 4 - and esp, byte (-SIZEOF_XMMWORD) ; align to 128 bits - mov [esp],eax - mov ebp,esp ; ebp = aligned ebp - lea esp, [wk(0)] - pushpic eax ; make a room for GOT address - push ebx -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - get_GOT ebx ; get GOT address - movpic POINTER [gotptr], ebx ; save GOT address - - mov edx,eax ; edx = original ebp - mov eax, JDIMENSION [downsamp_width(edx)] ; colctr - test eax,eax - jz near .return - - mov ecx, INT [max_v_samp(edx)] ; rowctr - test ecx,ecx - jz near .return - - mov esi, JSAMPARRAY [input_data(edx)] ; input_data - mov edi, POINTER [output_data_ptr(edx)] - mov edi, JSAMPARRAY [edi] ; output_data - alignx 16,7 -.rowloop: - push eax ; colctr - push ecx - push edi - push esi - - mov ecx, JSAMPROW [esi-1*SIZEOF_JSAMPROW] ; inptr1(above) - mov ebx, JSAMPROW [esi+0*SIZEOF_JSAMPROW] ; inptr0 - mov esi, JSAMPROW [esi+1*SIZEOF_JSAMPROW] ; inptr1(below) - mov edx, JSAMPROW [edi+0*SIZEOF_JSAMPROW] ; outptr0 - mov edi, JSAMPROW [edi+1*SIZEOF_JSAMPROW] ; outptr1 - - test eax, SIZEOF_XMMWORD-1 - jz short .skip - push edx - mov dl, JSAMPLE [ecx+(eax-1)*SIZEOF_JSAMPLE] - mov JSAMPLE [ecx+eax*SIZEOF_JSAMPLE], dl - mov dl, JSAMPLE [ebx+(eax-1)*SIZEOF_JSAMPLE] - mov JSAMPLE [ebx+eax*SIZEOF_JSAMPLE], dl - mov dl, JSAMPLE [esi+(eax-1)*SIZEOF_JSAMPLE] - mov JSAMPLE [esi+eax*SIZEOF_JSAMPLE], dl ; insert a dummy sample - pop edx -.skip: - ; -- process the first column block - - movdqa xmm0, XMMWORD [ebx+0*SIZEOF_XMMWORD] ; xmm0=row[ 0][0] - movdqa xmm1, XMMWORD [ecx+0*SIZEOF_XMMWORD] ; xmm1=row[-1][0] - movdqa xmm2, XMMWORD [esi+0*SIZEOF_XMMWORD] ; xmm2=row[+1][0] - - pushpic ebx - movpic ebx, POINTER [gotptr] ; load GOT address - - pxor xmm3,xmm3 ; xmm3=(all 0's) - movdqa xmm4,xmm0 - punpcklbw xmm0,xmm3 ; xmm0=row[ 0]( 0 1 2 3 4 5 6 7) - punpckhbw xmm4,xmm3 ; xmm4=row[ 0]( 8 9 10 11 12 13 14 15) - movdqa xmm5,xmm1 - punpcklbw xmm1,xmm3 ; xmm1=row[-1]( 0 1 2 3 4 5 6 7) - punpckhbw xmm5,xmm3 ; xmm5=row[-1]( 8 9 10 11 12 13 14 15) - movdqa xmm6,xmm2 - punpcklbw xmm2,xmm3 ; xmm2=row[+1]( 0 1 2 3 4 5 6 7) - punpckhbw xmm6,xmm3 ; xmm6=row[+1]( 8 9 10 11 12 13 14 15) - - pmullw xmm0,[GOTOFF(ebx,PW_THREE)] - pmullw xmm4,[GOTOFF(ebx,PW_THREE)] - - pcmpeqb xmm7,xmm7 - psrldq xmm7,(SIZEOF_XMMWORD-2) - - paddw xmm1,xmm0 ; xmm1=Int0L=( 0 1 2 3 4 5 6 7) - paddw xmm5,xmm4 ; xmm5=Int0H=( 8 9 10 11 12 13 14 15) - paddw xmm2,xmm0 ; xmm2=Int1L=( 0 1 2 3 4 5 6 7) - paddw xmm6,xmm4 ; xmm6=Int1H=( 8 9 10 11 12 13 14 15) - - movdqa XMMWORD [edx+0*SIZEOF_XMMWORD], xmm1 ; temporarily save - movdqa XMMWORD [edx+1*SIZEOF_XMMWORD], xmm5 ; the intermediate data - movdqa XMMWORD [edi+0*SIZEOF_XMMWORD], xmm2 - movdqa XMMWORD [edi+1*SIZEOF_XMMWORD], xmm6 - - pand xmm1,xmm7 ; xmm1=( 0 -- -- -- -- -- -- --) - pand xmm2,xmm7 ; xmm2=( 0 -- -- -- -- -- -- --) - - movdqa XMMWORD [wk(0)], xmm1 - movdqa XMMWORD [wk(1)], xmm2 - - poppic ebx - - add eax, byte SIZEOF_XMMWORD-1 - and eax, byte -SIZEOF_XMMWORD - cmp eax, byte SIZEOF_XMMWORD - ja short .columnloop - alignx 16,7 - -.columnloop_last: - ; -- process the last column block - - pushpic ebx - movpic ebx, POINTER [gotptr] ; load GOT address - - pcmpeqb xmm1,xmm1 - pslldq xmm1,(SIZEOF_XMMWORD-2) - movdqa xmm2,xmm1 - - pand xmm1, XMMWORD [edx+1*SIZEOF_XMMWORD] - pand xmm2, XMMWORD [edi+1*SIZEOF_XMMWORD] - - movdqa XMMWORD [wk(2)], xmm1 ; xmm1=(-- -- -- -- -- -- -- 15) - movdqa XMMWORD [wk(3)], xmm2 ; xmm2=(-- -- -- -- -- -- -- 15) - - jmp near .upsample - alignx 16,7 - -.columnloop: - ; -- process the next column block - - movdqa xmm0, XMMWORD [ebx+1*SIZEOF_XMMWORD] ; xmm0=row[ 0][1] - movdqa xmm1, XMMWORD [ecx+1*SIZEOF_XMMWORD] ; xmm1=row[-1][1] - movdqa xmm2, XMMWORD [esi+1*SIZEOF_XMMWORD] ; xmm2=row[+1][1] - - pushpic ebx - movpic ebx, POINTER [gotptr] ; load GOT address - - pxor xmm3,xmm3 ; xmm3=(all 0's) - movdqa xmm4,xmm0 - punpcklbw xmm0,xmm3 ; xmm0=row[ 0]( 0 1 2 3 4 5 6 7) - punpckhbw xmm4,xmm3 ; xmm4=row[ 0]( 8 9 10 11 12 13 14 15) - movdqa xmm5,xmm1 - punpcklbw xmm1,xmm3 ; xmm1=row[-1]( 0 1 2 3 4 5 6 7) - punpckhbw xmm5,xmm3 ; xmm5=row[-1]( 8 9 10 11 12 13 14 15) - movdqa xmm6,xmm2 - punpcklbw xmm2,xmm3 ; xmm2=row[+1]( 0 1 2 3 4 5 6 7) - punpckhbw xmm6,xmm3 ; xmm6=row[+1]( 8 9 10 11 12 13 14 15) - - pmullw xmm0,[GOTOFF(ebx,PW_THREE)] - pmullw xmm4,[GOTOFF(ebx,PW_THREE)] - - paddw xmm1,xmm0 ; xmm1=Int0L=( 0 1 2 3 4 5 6 7) - paddw xmm5,xmm4 ; xmm5=Int0H=( 8 9 10 11 12 13 14 15) - paddw xmm2,xmm0 ; xmm2=Int1L=( 0 1 2 3 4 5 6 7) - paddw xmm6,xmm4 ; xmm6=Int1H=( 8 9 10 11 12 13 14 15) - - movdqa XMMWORD [edx+2*SIZEOF_XMMWORD], xmm1 ; temporarily save - movdqa XMMWORD [edx+3*SIZEOF_XMMWORD], xmm5 ; the intermediate data - movdqa XMMWORD [edi+2*SIZEOF_XMMWORD], xmm2 - movdqa XMMWORD [edi+3*SIZEOF_XMMWORD], xmm6 - - pslldq xmm1,(SIZEOF_XMMWORD-2) ; xmm1=(-- -- -- -- -- -- -- 0) - pslldq xmm2,(SIZEOF_XMMWORD-2) ; xmm2=(-- -- -- -- -- -- -- 0) - - movdqa XMMWORD [wk(2)], xmm1 - movdqa XMMWORD [wk(3)], xmm2 - -.upsample: - ; -- process the upper row - - movdqa xmm7, XMMWORD [edx+0*SIZEOF_XMMWORD] - movdqa xmm3, XMMWORD [edx+1*SIZEOF_XMMWORD] - - movdqa xmm0,xmm7 ; xmm7=Int0L=( 0 1 2 3 4 5 6 7) - movdqa xmm4,xmm3 ; xmm3=Int0H=( 8 9 10 11 12 13 14 15) - psrldq xmm0,2 ; xmm0=( 1 2 3 4 5 6 7 --) - pslldq xmm4,(SIZEOF_XMMWORD-2) ; xmm4=(-- -- -- -- -- -- -- 8) - movdqa xmm5,xmm7 - movdqa xmm6,xmm3 - psrldq xmm5,(SIZEOF_XMMWORD-2) ; xmm5=( 7 -- -- -- -- -- -- --) - pslldq xmm6,2 ; xmm6=(-- 8 9 10 11 12 13 14) - - por xmm0,xmm4 ; xmm0=( 1 2 3 4 5 6 7 8) - por xmm5,xmm6 ; xmm5=( 7 8 9 10 11 12 13 14) - - movdqa xmm1,xmm7 - movdqa xmm2,xmm3 - pslldq xmm1,2 ; xmm1=(-- 0 1 2 3 4 5 6) - psrldq xmm2,2 ; xmm2=( 9 10 11 12 13 14 15 --) - movdqa xmm4,xmm3 - psrldq xmm4,(SIZEOF_XMMWORD-2) ; xmm4=(15 -- -- -- -- -- -- --) - - por xmm1, XMMWORD [wk(0)] ; xmm1=(-1 0 1 2 3 4 5 6) - por xmm2, XMMWORD [wk(2)] ; xmm2=( 9 10 11 12 13 14 15 16) - - movdqa XMMWORD [wk(0)], xmm4 - - pmullw xmm7,[GOTOFF(ebx,PW_THREE)] - pmullw xmm3,[GOTOFF(ebx,PW_THREE)] - paddw xmm1,[GOTOFF(ebx,PW_EIGHT)] - paddw xmm5,[GOTOFF(ebx,PW_EIGHT)] - paddw xmm0,[GOTOFF(ebx,PW_SEVEN)] - paddw xmm2,[GOTOFF(ebx,PW_SEVEN)] - - paddw xmm1,xmm7 - paddw xmm5,xmm3 - psrlw xmm1,4 ; xmm1=Out0LE=( 0 2 4 6 8 10 12 14) - psrlw xmm5,4 ; xmm5=Out0HE=(16 18 20 22 24 26 28 30) - paddw xmm0,xmm7 - paddw xmm2,xmm3 - psrlw xmm0,4 ; xmm0=Out0LO=( 1 3 5 7 9 11 13 15) - psrlw xmm2,4 ; xmm2=Out0HO=(17 19 21 23 25 27 29 31) - - psllw xmm0,BYTE_BIT - psllw xmm2,BYTE_BIT - por xmm1,xmm0 ; xmm1=Out0L=( 0 1 2 ... 13 14 15) - por xmm5,xmm2 ; xmm5=Out0H=(16 17 18 ... 29 30 31) - - movdqa XMMWORD [edx+0*SIZEOF_XMMWORD], xmm1 - movdqa XMMWORD [edx+1*SIZEOF_XMMWORD], xmm5 - - ; -- process the lower row - - movdqa xmm6, XMMWORD [edi+0*SIZEOF_XMMWORD] - movdqa xmm4, XMMWORD [edi+1*SIZEOF_XMMWORD] - - movdqa xmm7,xmm6 ; xmm6=Int1L=( 0 1 2 3 4 5 6 7) - movdqa xmm3,xmm4 ; xmm4=Int1H=( 8 9 10 11 12 13 14 15) - psrldq xmm7,2 ; xmm7=( 1 2 3 4 5 6 7 --) - pslldq xmm3,(SIZEOF_XMMWORD-2) ; xmm3=(-- -- -- -- -- -- -- 8) - movdqa xmm0,xmm6 - movdqa xmm2,xmm4 - psrldq xmm0,(SIZEOF_XMMWORD-2) ; xmm0=( 7 -- -- -- -- -- -- --) - pslldq xmm2,2 ; xmm2=(-- 8 9 10 11 12 13 14) - - por xmm7,xmm3 ; xmm7=( 1 2 3 4 5 6 7 8) - por xmm0,xmm2 ; xmm0=( 7 8 9 10 11 12 13 14) - - movdqa xmm1,xmm6 - movdqa xmm5,xmm4 - pslldq xmm1,2 ; xmm1=(-- 0 1 2 3 4 5 6) - psrldq xmm5,2 ; xmm5=( 9 10 11 12 13 14 15 --) - movdqa xmm3,xmm4 - psrldq xmm3,(SIZEOF_XMMWORD-2) ; xmm3=(15 -- -- -- -- -- -- --) - - por xmm1, XMMWORD [wk(1)] ; xmm1=(-1 0 1 2 3 4 5 6) - por xmm5, XMMWORD [wk(3)] ; xmm5=( 9 10 11 12 13 14 15 16) - - movdqa XMMWORD [wk(1)], xmm3 - - pmullw xmm6,[GOTOFF(ebx,PW_THREE)] - pmullw xmm4,[GOTOFF(ebx,PW_THREE)] - paddw xmm1,[GOTOFF(ebx,PW_EIGHT)] - paddw xmm0,[GOTOFF(ebx,PW_EIGHT)] - paddw xmm7,[GOTOFF(ebx,PW_SEVEN)] - paddw xmm5,[GOTOFF(ebx,PW_SEVEN)] - - paddw xmm1,xmm6 - paddw xmm0,xmm4 - psrlw xmm1,4 ; xmm1=Out1LE=( 0 2 4 6 8 10 12 14) - psrlw xmm0,4 ; xmm0=Out1HE=(16 18 20 22 24 26 28 30) - paddw xmm7,xmm6 - paddw xmm5,xmm4 - psrlw xmm7,4 ; xmm7=Out1LO=( 1 3 5 7 9 11 13 15) - psrlw xmm5,4 ; xmm5=Out1HO=(17 19 21 23 25 27 29 31) - - psllw xmm7,BYTE_BIT - psllw xmm5,BYTE_BIT - por xmm1,xmm7 ; xmm1=Out1L=( 0 1 2 ... 13 14 15) - por xmm0,xmm5 ; xmm0=Out1H=(16 17 18 ... 29 30 31) - - movdqa XMMWORD [edi+0*SIZEOF_XMMWORD], xmm1 - movdqa XMMWORD [edi+1*SIZEOF_XMMWORD], xmm0 - - poppic ebx - - sub eax, byte SIZEOF_XMMWORD - add ecx, byte 1*SIZEOF_XMMWORD ; inptr1(above) - add ebx, byte 1*SIZEOF_XMMWORD ; inptr0 - add esi, byte 1*SIZEOF_XMMWORD ; inptr1(below) - add edx, byte 2*SIZEOF_XMMWORD ; outptr0 - add edi, byte 2*SIZEOF_XMMWORD ; outptr1 - cmp eax, byte SIZEOF_XMMWORD - ja near .columnloop - test eax,eax - jnz near .columnloop_last - - pop esi - pop edi - pop ecx - pop eax - - add esi, byte 1*SIZEOF_JSAMPROW ; input_data - add edi, byte 2*SIZEOF_JSAMPROW ; output_data - sub ecx, byte 2 ; rowctr - jg near .rowloop - -.return: - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved - pop ebx - mov esp,ebp ; esp <- aligned ebp - pop esp ; esp <- original ebp - pop ebp - ret - -; -------------------------------------------------------------------------- -; -; Fast processing for the common case of 2:1 horizontal and 1:1 vertical. -; It's still a box filter. -; -; GLOBAL(void) -; jsimd_h2v1_upsample_sse2 (int max_v_samp_factor, -; JDIMENSION output_width, -; JSAMPARRAY input_data, -; JSAMPARRAY * output_data_ptr); -; - -%define max_v_samp(b) (b)+8 ; int max_v_samp_factor -%define output_width(b) (b)+12 ; JDIMENSION output_width -%define input_data(b) (b)+16 ; JSAMPARRAY input_data -%define output_data_ptr(b) (b)+20 ; JSAMPARRAY * output_data_ptr - - align 16 - global EXTN(jsimd_h2v1_upsample_sse2) - -EXTN(jsimd_h2v1_upsample_sse2): - push ebp - mov ebp,esp -; push ebx ; unused -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - mov edx, JDIMENSION [output_width(ebp)] - add edx, byte (2*SIZEOF_XMMWORD)-1 - and edx, byte -(2*SIZEOF_XMMWORD) - jz short .return - - mov ecx, INT [max_v_samp(ebp)] ; rowctr - test ecx,ecx - jz short .return - - mov esi, JSAMPARRAY [input_data(ebp)] ; input_data - mov edi, POINTER [output_data_ptr(ebp)] - mov edi, JSAMPARRAY [edi] ; output_data - alignx 16,7 -.rowloop: - push edi - push esi - - mov esi, JSAMPROW [esi] ; inptr - mov edi, JSAMPROW [edi] ; outptr - mov eax,edx ; colctr - alignx 16,7 -.columnloop: - - movdqa xmm0, XMMWORD [esi+0*SIZEOF_XMMWORD] - - movdqa xmm1,xmm0 - punpcklbw xmm0,xmm0 - punpckhbw xmm1,xmm1 - - movdqa XMMWORD [edi+0*SIZEOF_XMMWORD], xmm0 - movdqa XMMWORD [edi+1*SIZEOF_XMMWORD], xmm1 - - sub eax, byte 2*SIZEOF_XMMWORD - jz short .nextrow - - movdqa xmm2, XMMWORD [esi+1*SIZEOF_XMMWORD] - - movdqa xmm3,xmm2 - punpcklbw xmm2,xmm2 - punpckhbw xmm3,xmm3 - - movdqa XMMWORD [edi+2*SIZEOF_XMMWORD], xmm2 - movdqa XMMWORD [edi+3*SIZEOF_XMMWORD], xmm3 - - sub eax, byte 2*SIZEOF_XMMWORD - jz short .nextrow - - add esi, byte 2*SIZEOF_XMMWORD ; inptr - add edi, byte 4*SIZEOF_XMMWORD ; outptr - jmp short .columnloop - alignx 16,7 - -.nextrow: - pop esi - pop edi - - add esi, byte SIZEOF_JSAMPROW ; input_data - add edi, byte SIZEOF_JSAMPROW ; output_data - dec ecx ; rowctr - jg short .rowloop - -.return: - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved -; pop ebx ; unused - pop ebp - ret - -; -------------------------------------------------------------------------- -; -; Fast processing for the common case of 2:1 horizontal and 2:1 vertical. -; It's still a box filter. -; -; GLOBAL(void) -; jsimd_h2v2_upsample_sse2 (nt max_v_samp_factor, -; JDIMENSION output_width, -; JSAMPARRAY input_data, -; JSAMPARRAY * output_data_ptr); -; - -%define max_v_samp(b) (b)+8 ; int max_v_samp_factor -%define output_width(b) (b)+12 ; JDIMENSION output_width -%define input_data(b) (b)+16 ; JSAMPARRAY input_data -%define output_data_ptr(b) (b)+20 ; JSAMPARRAY * output_data_ptr - - align 16 - global EXTN(jsimd_h2v2_upsample_sse2) - -EXTN(jsimd_h2v2_upsample_sse2): - push ebp - mov ebp,esp - push ebx -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - mov edx, JDIMENSION [output_width(ebp)] - add edx, byte (2*SIZEOF_XMMWORD)-1 - and edx, byte -(2*SIZEOF_XMMWORD) - jz near .return - - mov ecx, INT [max_v_samp(ebp)] ; rowctr - test ecx,ecx - jz near .return - - mov esi, JSAMPARRAY [input_data(ebp)] ; input_data - mov edi, POINTER [output_data_ptr(ebp)] - mov edi, JSAMPARRAY [edi] ; output_data - alignx 16,7 -.rowloop: - push edi - push esi - - mov esi, JSAMPROW [esi] ; inptr - mov ebx, JSAMPROW [edi+0*SIZEOF_JSAMPROW] ; outptr0 - mov edi, JSAMPROW [edi+1*SIZEOF_JSAMPROW] ; outptr1 - mov eax,edx ; colctr - alignx 16,7 -.columnloop: - - movdqa xmm0, XMMWORD [esi+0*SIZEOF_XMMWORD] - - movdqa xmm1,xmm0 - punpcklbw xmm0,xmm0 - punpckhbw xmm1,xmm1 - - movdqa XMMWORD [ebx+0*SIZEOF_XMMWORD], xmm0 - movdqa XMMWORD [ebx+1*SIZEOF_XMMWORD], xmm1 - movdqa XMMWORD [edi+0*SIZEOF_XMMWORD], xmm0 - movdqa XMMWORD [edi+1*SIZEOF_XMMWORD], xmm1 - - sub eax, byte 2*SIZEOF_XMMWORD - jz short .nextrow - - movdqa xmm2, XMMWORD [esi+1*SIZEOF_XMMWORD] - - movdqa xmm3,xmm2 - punpcklbw xmm2,xmm2 - punpckhbw xmm3,xmm3 - - movdqa XMMWORD [ebx+2*SIZEOF_XMMWORD], xmm2 - movdqa XMMWORD [ebx+3*SIZEOF_XMMWORD], xmm3 - movdqa XMMWORD [edi+2*SIZEOF_XMMWORD], xmm2 - movdqa XMMWORD [edi+3*SIZEOF_XMMWORD], xmm3 - - sub eax, byte 2*SIZEOF_XMMWORD - jz short .nextrow - - add esi, byte 2*SIZEOF_XMMWORD ; inptr - add ebx, byte 4*SIZEOF_XMMWORD ; outptr0 - add edi, byte 4*SIZEOF_XMMWORD ; outptr1 - jmp short .columnloop - alignx 16,7 - -.nextrow: - pop esi - pop edi - - add esi, byte 1*SIZEOF_JSAMPROW ; input_data - add edi, byte 2*SIZEOF_JSAMPROW ; output_data - sub ecx, byte 2 ; rowctr - jg short .rowloop - -.return: - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved - pop ebx - pop ebp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jf3dnflt.asm b/common/jpeg/simd/jf3dnflt.asm deleted file mode 100644 index 542672dc..00000000 --- a/common/jpeg/simd/jf3dnflt.asm +++ /dev/null @@ -1,320 +0,0 @@ -; -; jf3dnflt.asm - floating-point FDCT (3DNow!) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; This file contains a floating-point implementation of the forward DCT -; (Discrete Cosine Transform). The following code is based directly on -; the IJG's original jfdctflt.c; see the jfdctflt.c for more details. -; -; [TAB8] - -%include "jsimdext.inc" -%include "jdct.inc" - -; -------------------------------------------------------------------------- - SECTION SEG_CONST - - alignz 16 - global EXTN(jconst_fdct_float_3dnow) - -EXTN(jconst_fdct_float_3dnow): - -PD_0_382 times 2 dd 0.382683432365089771728460 -PD_0_707 times 2 dd 0.707106781186547524400844 -PD_0_541 times 2 dd 0.541196100146196984399723 -PD_1_306 times 2 dd 1.306562964876376527856643 - - alignz 16 - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 32 -; -; Perform the forward DCT on one block of samples. -; -; GLOBAL(void) -; jsimd_fdct_float_3dnow (FAST_FLOAT * data) -; - -%define data(b) (b)+8 ; FAST_FLOAT * data - -%define original_ebp ebp+0 -%define wk(i) ebp-(WK_NUM-(i))*SIZEOF_MMWORD ; mmword wk[WK_NUM] -%define WK_NUM 2 - - align 16 - global EXTN(jsimd_fdct_float_3dnow) - -EXTN(jsimd_fdct_float_3dnow): - push ebp - mov eax,esp ; eax = original ebp - sub esp, byte 4 - and esp, byte (-SIZEOF_MMWORD) ; align to 64 bits - mov [esp],eax - mov ebp,esp ; ebp = aligned ebp - lea esp, [wk(0)] - pushpic ebx -; push ecx ; need not be preserved -; push edx ; need not be preserved -; push esi ; unused -; push edi ; unused - - get_GOT ebx ; get GOT address - - ; ---- Pass 1: process rows. - - mov edx, POINTER [data(eax)] ; (FAST_FLOAT *) - mov ecx, DCTSIZE/2 - alignx 16,7 -.rowloop: - - movq mm0, MMWORD [MMBLOCK(0,0,edx,SIZEOF_FAST_FLOAT)] - movq mm1, MMWORD [MMBLOCK(1,0,edx,SIZEOF_FAST_FLOAT)] - movq mm2, MMWORD [MMBLOCK(0,3,edx,SIZEOF_FAST_FLOAT)] - movq mm3, MMWORD [MMBLOCK(1,3,edx,SIZEOF_FAST_FLOAT)] - - ; mm0=(00 01), mm1=(10 11), mm2=(06 07), mm3=(16 17) - - movq mm4,mm0 ; transpose coefficients - punpckldq mm0,mm1 ; mm0=(00 10)=data0 - punpckhdq mm4,mm1 ; mm4=(01 11)=data1 - movq mm5,mm2 ; transpose coefficients - punpckldq mm2,mm3 ; mm2=(06 16)=data6 - punpckhdq mm5,mm3 ; mm5=(07 17)=data7 - - movq mm6,mm4 - movq mm7,mm0 - pfsub mm4,mm2 ; mm4=data1-data6=tmp6 - pfsub mm0,mm5 ; mm0=data0-data7=tmp7 - pfadd mm6,mm2 ; mm6=data1+data6=tmp1 - pfadd mm7,mm5 ; mm7=data0+data7=tmp0 - - movq mm1, MMWORD [MMBLOCK(0,1,edx,SIZEOF_FAST_FLOAT)] - movq mm3, MMWORD [MMBLOCK(1,1,edx,SIZEOF_FAST_FLOAT)] - movq mm2, MMWORD [MMBLOCK(0,2,edx,SIZEOF_FAST_FLOAT)] - movq mm5, MMWORD [MMBLOCK(1,2,edx,SIZEOF_FAST_FLOAT)] - - ; mm1=(02 03), mm3=(12 13), mm2=(04 05), mm5=(14 15) - - movq MMWORD [wk(0)], mm4 ; wk(0)=tmp6 - movq MMWORD [wk(1)], mm0 ; wk(1)=tmp7 - - movq mm4,mm1 ; transpose coefficients - punpckldq mm1,mm3 ; mm1=(02 12)=data2 - punpckhdq mm4,mm3 ; mm4=(03 13)=data3 - movq mm0,mm2 ; transpose coefficients - punpckldq mm2,mm5 ; mm2=(04 14)=data4 - punpckhdq mm0,mm5 ; mm0=(05 15)=data5 - - movq mm3,mm4 - movq mm5,mm1 - pfadd mm4,mm2 ; mm4=data3+data4=tmp3 - pfadd mm1,mm0 ; mm1=data2+data5=tmp2 - pfsub mm3,mm2 ; mm3=data3-data4=tmp4 - pfsub mm5,mm0 ; mm5=data2-data5=tmp5 - - ; -- Even part - - movq mm2,mm7 - movq mm0,mm6 - pfsub mm7,mm4 ; mm7=tmp13 - pfsub mm6,mm1 ; mm6=tmp12 - pfadd mm2,mm4 ; mm2=tmp10 - pfadd mm0,mm1 ; mm0=tmp11 - - pfadd mm6,mm7 - pfmul mm6,[GOTOFF(ebx,PD_0_707)] ; mm6=z1 - - movq mm4,mm2 - movq mm1,mm7 - pfsub mm2,mm0 ; mm2=data4 - pfsub mm7,mm6 ; mm7=data6 - pfadd mm4,mm0 ; mm4=data0 - pfadd mm1,mm6 ; mm1=data2 - - movq MMWORD [MMBLOCK(0,2,edx,SIZEOF_FAST_FLOAT)], mm2 - movq MMWORD [MMBLOCK(0,3,edx,SIZEOF_FAST_FLOAT)], mm7 - movq MMWORD [MMBLOCK(0,0,edx,SIZEOF_FAST_FLOAT)], mm4 - movq MMWORD [MMBLOCK(0,1,edx,SIZEOF_FAST_FLOAT)], mm1 - - ; -- Odd part - - movq mm0, MMWORD [wk(0)] ; mm0=tmp6 - movq mm6, MMWORD [wk(1)] ; mm6=tmp7 - - pfadd mm3,mm5 ; mm3=tmp10 - pfadd mm5,mm0 ; mm5=tmp11 - pfadd mm0,mm6 ; mm0=tmp12, mm6=tmp7 - - pfmul mm5,[GOTOFF(ebx,PD_0_707)] ; mm5=z3 - - movq mm2,mm3 ; mm2=tmp10 - pfsub mm3,mm0 - pfmul mm3,[GOTOFF(ebx,PD_0_382)] ; mm3=z5 - pfmul mm2,[GOTOFF(ebx,PD_0_541)] ; mm2=MULTIPLY(tmp10,FIX_0_54119610) - pfmul mm0,[GOTOFF(ebx,PD_1_306)] ; mm0=MULTIPLY(tmp12,FIX_1_30656296) - pfadd mm2,mm3 ; mm2=z2 - pfadd mm0,mm3 ; mm0=z4 - - movq mm7,mm6 - pfsub mm6,mm5 ; mm6=z13 - pfadd mm7,mm5 ; mm7=z11 - - movq mm4,mm6 - movq mm1,mm7 - pfsub mm6,mm2 ; mm6=data3 - pfsub mm7,mm0 ; mm7=data7 - pfadd mm4,mm2 ; mm4=data5 - pfadd mm1,mm0 ; mm1=data1 - - movq MMWORD [MMBLOCK(1,1,edx,SIZEOF_FAST_FLOAT)], mm6 - movq MMWORD [MMBLOCK(1,3,edx,SIZEOF_FAST_FLOAT)], mm7 - movq MMWORD [MMBLOCK(1,2,edx,SIZEOF_FAST_FLOAT)], mm4 - movq MMWORD [MMBLOCK(1,0,edx,SIZEOF_FAST_FLOAT)], mm1 - - add edx, byte 2*DCTSIZE*SIZEOF_FAST_FLOAT - dec ecx - jnz near .rowloop - - ; ---- Pass 2: process columns. - - mov edx, POINTER [data(eax)] ; (FAST_FLOAT *) - mov ecx, DCTSIZE/2 - alignx 16,7 -.columnloop: - - movq mm0, MMWORD [MMBLOCK(0,0,edx,SIZEOF_FAST_FLOAT)] - movq mm1, MMWORD [MMBLOCK(1,0,edx,SIZEOF_FAST_FLOAT)] - movq mm2, MMWORD [MMBLOCK(6,0,edx,SIZEOF_FAST_FLOAT)] - movq mm3, MMWORD [MMBLOCK(7,0,edx,SIZEOF_FAST_FLOAT)] - - ; mm0=(00 10), mm1=(01 11), mm2=(60 70), mm3=(61 71) - - movq mm4,mm0 ; transpose coefficients - punpckldq mm0,mm1 ; mm0=(00 01)=data0 - punpckhdq mm4,mm1 ; mm4=(10 11)=data1 - movq mm5,mm2 ; transpose coefficients - punpckldq mm2,mm3 ; mm2=(60 61)=data6 - punpckhdq mm5,mm3 ; mm5=(70 71)=data7 - - movq mm6,mm4 - movq mm7,mm0 - pfsub mm4,mm2 ; mm4=data1-data6=tmp6 - pfsub mm0,mm5 ; mm0=data0-data7=tmp7 - pfadd mm6,mm2 ; mm6=data1+data6=tmp1 - pfadd mm7,mm5 ; mm7=data0+data7=tmp0 - - movq mm1, MMWORD [MMBLOCK(2,0,edx,SIZEOF_FAST_FLOAT)] - movq mm3, MMWORD [MMBLOCK(3,0,edx,SIZEOF_FAST_FLOAT)] - movq mm2, MMWORD [MMBLOCK(4,0,edx,SIZEOF_FAST_FLOAT)] - movq mm5, MMWORD [MMBLOCK(5,0,edx,SIZEOF_FAST_FLOAT)] - - ; mm1=(20 30), mm3=(21 31), mm2=(40 50), mm5=(41 51) - - movq MMWORD [wk(0)], mm4 ; wk(0)=tmp6 - movq MMWORD [wk(1)], mm0 ; wk(1)=tmp7 - - movq mm4,mm1 ; transpose coefficients - punpckldq mm1,mm3 ; mm1=(20 21)=data2 - punpckhdq mm4,mm3 ; mm4=(30 31)=data3 - movq mm0,mm2 ; transpose coefficients - punpckldq mm2,mm5 ; mm2=(40 41)=data4 - punpckhdq mm0,mm5 ; mm0=(50 51)=data5 - - movq mm3,mm4 - movq mm5,mm1 - pfadd mm4,mm2 ; mm4=data3+data4=tmp3 - pfadd mm1,mm0 ; mm1=data2+data5=tmp2 - pfsub mm3,mm2 ; mm3=data3-data4=tmp4 - pfsub mm5,mm0 ; mm5=data2-data5=tmp5 - - ; -- Even part - - movq mm2,mm7 - movq mm0,mm6 - pfsub mm7,mm4 ; mm7=tmp13 - pfsub mm6,mm1 ; mm6=tmp12 - pfadd mm2,mm4 ; mm2=tmp10 - pfadd mm0,mm1 ; mm0=tmp11 - - pfadd mm6,mm7 - pfmul mm6,[GOTOFF(ebx,PD_0_707)] ; mm6=z1 - - movq mm4,mm2 - movq mm1,mm7 - pfsub mm2,mm0 ; mm2=data4 - pfsub mm7,mm6 ; mm7=data6 - pfadd mm4,mm0 ; mm4=data0 - pfadd mm1,mm6 ; mm1=data2 - - movq MMWORD [MMBLOCK(4,0,edx,SIZEOF_FAST_FLOAT)], mm2 - movq MMWORD [MMBLOCK(6,0,edx,SIZEOF_FAST_FLOAT)], mm7 - movq MMWORD [MMBLOCK(0,0,edx,SIZEOF_FAST_FLOAT)], mm4 - movq MMWORD [MMBLOCK(2,0,edx,SIZEOF_FAST_FLOAT)], mm1 - - ; -- Odd part - - movq mm0, MMWORD [wk(0)] ; mm0=tmp6 - movq mm6, MMWORD [wk(1)] ; mm6=tmp7 - - pfadd mm3,mm5 ; mm3=tmp10 - pfadd mm5,mm0 ; mm5=tmp11 - pfadd mm0,mm6 ; mm0=tmp12, mm6=tmp7 - - pfmul mm5,[GOTOFF(ebx,PD_0_707)] ; mm5=z3 - - movq mm2,mm3 ; mm2=tmp10 - pfsub mm3,mm0 - pfmul mm3,[GOTOFF(ebx,PD_0_382)] ; mm3=z5 - pfmul mm2,[GOTOFF(ebx,PD_0_541)] ; mm2=MULTIPLY(tmp10,FIX_0_54119610) - pfmul mm0,[GOTOFF(ebx,PD_1_306)] ; mm0=MULTIPLY(tmp12,FIX_1_30656296) - pfadd mm2,mm3 ; mm2=z2 - pfadd mm0,mm3 ; mm0=z4 - - movq mm7,mm6 - pfsub mm6,mm5 ; mm6=z13 - pfadd mm7,mm5 ; mm7=z11 - - movq mm4,mm6 - movq mm1,mm7 - pfsub mm6,mm2 ; mm6=data3 - pfsub mm7,mm0 ; mm7=data7 - pfadd mm4,mm2 ; mm4=data5 - pfadd mm1,mm0 ; mm1=data1 - - movq MMWORD [MMBLOCK(3,0,edx,SIZEOF_FAST_FLOAT)], mm6 - movq MMWORD [MMBLOCK(7,0,edx,SIZEOF_FAST_FLOAT)], mm7 - movq MMWORD [MMBLOCK(5,0,edx,SIZEOF_FAST_FLOAT)], mm4 - movq MMWORD [MMBLOCK(1,0,edx,SIZEOF_FAST_FLOAT)], mm1 - - add edx, byte 2*SIZEOF_FAST_FLOAT - dec ecx - jnz near .columnloop - - femms ; empty MMX/3DNow! state - -; pop edi ; unused -; pop esi ; unused -; pop edx ; need not be preserved -; pop ecx ; need not be preserved - poppic ebx - mov esp,ebp ; esp <- aligned ebp - pop esp ; esp <- original ebp - pop ebp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jfmmxfst.asm b/common/jpeg/simd/jfmmxfst.asm deleted file mode 100644 index 0647242a..00000000 --- a/common/jpeg/simd/jfmmxfst.asm +++ /dev/null @@ -1,397 +0,0 @@ -; -; jfmmxfst.asm - fast integer FDCT (MMX) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; This file contains a fast, not so accurate integer implementation of -; the forward DCT (Discrete Cosine Transform). The following code is -; based directly on the IJG's original jfdctfst.c; see the jfdctfst.c -; for more details. -; -; [TAB8] - -%include "jsimdext.inc" -%include "jdct.inc" - -; -------------------------------------------------------------------------- - -%define CONST_BITS 8 ; 14 is also OK. - -%if CONST_BITS == 8 -F_0_382 equ 98 ; FIX(0.382683433) -F_0_541 equ 139 ; FIX(0.541196100) -F_0_707 equ 181 ; FIX(0.707106781) -F_1_306 equ 334 ; FIX(1.306562965) -%else -; NASM cannot do compile-time arithmetic on floating-point constants. -%define DESCALE(x,n) (((x)+(1<<((n)-1)))>>(n)) -F_0_382 equ DESCALE( 410903207,30-CONST_BITS) ; FIX(0.382683433) -F_0_541 equ DESCALE( 581104887,30-CONST_BITS) ; FIX(0.541196100) -F_0_707 equ DESCALE( 759250124,30-CONST_BITS) ; FIX(0.707106781) -F_1_306 equ DESCALE(1402911301,30-CONST_BITS) ; FIX(1.306562965) -%endif - -; -------------------------------------------------------------------------- - SECTION SEG_CONST - -; PRE_MULTIPLY_SCALE_BITS <= 2 (to avoid overflow) -; CONST_BITS + CONST_SHIFT + PRE_MULTIPLY_SCALE_BITS == 16 (for pmulhw) - -%define PRE_MULTIPLY_SCALE_BITS 2 -%define CONST_SHIFT (16 - PRE_MULTIPLY_SCALE_BITS - CONST_BITS) - - alignz 16 - global EXTN(jconst_fdct_ifast_mmx) - -EXTN(jconst_fdct_ifast_mmx): - -PW_F0707 times 4 dw F_0_707 << CONST_SHIFT -PW_F0382 times 4 dw F_0_382 << CONST_SHIFT -PW_F0541 times 4 dw F_0_541 << CONST_SHIFT -PW_F1306 times 4 dw F_1_306 << CONST_SHIFT - - alignz 16 - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 32 -; -; Perform the forward DCT on one block of samples. -; -; GLOBAL(void) -; jsimd_fdct_ifast_mmx (DCTELEM * data) -; - -%define data(b) (b)+8 ; DCTELEM * data - -%define original_ebp ebp+0 -%define wk(i) ebp-(WK_NUM-(i))*SIZEOF_MMWORD ; mmword wk[WK_NUM] -%define WK_NUM 2 - - align 16 - global EXTN(jsimd_fdct_ifast_mmx) - -EXTN(jsimd_fdct_ifast_mmx): - push ebp - mov eax,esp ; eax = original ebp - sub esp, byte 4 - and esp, byte (-SIZEOF_MMWORD) ; align to 64 bits - mov [esp],eax - mov ebp,esp ; ebp = aligned ebp - lea esp, [wk(0)] - pushpic ebx -; push ecx ; need not be preserved -; push edx ; need not be preserved -; push esi ; unused -; push edi ; unused - - get_GOT ebx ; get GOT address - - ; ---- Pass 1: process rows. - - mov edx, POINTER [data(eax)] ; (DCTELEM *) - mov ecx, DCTSIZE/4 - alignx 16,7 -.rowloop: - - movq mm0, MMWORD [MMBLOCK(2,0,edx,SIZEOF_DCTELEM)] - movq mm1, MMWORD [MMBLOCK(3,0,edx,SIZEOF_DCTELEM)] - movq mm2, MMWORD [MMBLOCK(2,1,edx,SIZEOF_DCTELEM)] - movq mm3, MMWORD [MMBLOCK(3,1,edx,SIZEOF_DCTELEM)] - - ; mm0=(20 21 22 23), mm2=(24 25 26 27) - ; mm1=(30 31 32 33), mm3=(34 35 36 37) - - movq mm4,mm0 ; transpose coefficients(phase 1) - punpcklwd mm0,mm1 ; mm0=(20 30 21 31) - punpckhwd mm4,mm1 ; mm4=(22 32 23 33) - movq mm5,mm2 ; transpose coefficients(phase 1) - punpcklwd mm2,mm3 ; mm2=(24 34 25 35) - punpckhwd mm5,mm3 ; mm5=(26 36 27 37) - - movq mm6, MMWORD [MMBLOCK(0,0,edx,SIZEOF_DCTELEM)] - movq mm7, MMWORD [MMBLOCK(1,0,edx,SIZEOF_DCTELEM)] - movq mm1, MMWORD [MMBLOCK(0,1,edx,SIZEOF_DCTELEM)] - movq mm3, MMWORD [MMBLOCK(1,1,edx,SIZEOF_DCTELEM)] - - ; mm6=(00 01 02 03), mm1=(04 05 06 07) - ; mm7=(10 11 12 13), mm3=(14 15 16 17) - - movq MMWORD [wk(0)], mm4 ; wk(0)=(22 32 23 33) - movq MMWORD [wk(1)], mm2 ; wk(1)=(24 34 25 35) - - movq mm4,mm6 ; transpose coefficients(phase 1) - punpcklwd mm6,mm7 ; mm6=(00 10 01 11) - punpckhwd mm4,mm7 ; mm4=(02 12 03 13) - movq mm2,mm1 ; transpose coefficients(phase 1) - punpcklwd mm1,mm3 ; mm1=(04 14 05 15) - punpckhwd mm2,mm3 ; mm2=(06 16 07 17) - - movq mm7,mm6 ; transpose coefficients(phase 2) - punpckldq mm6,mm0 ; mm6=(00 10 20 30)=data0 - punpckhdq mm7,mm0 ; mm7=(01 11 21 31)=data1 - movq mm3,mm2 ; transpose coefficients(phase 2) - punpckldq mm2,mm5 ; mm2=(06 16 26 36)=data6 - punpckhdq mm3,mm5 ; mm3=(07 17 27 37)=data7 - - movq mm0,mm7 - movq mm5,mm6 - psubw mm7,mm2 ; mm7=data1-data6=tmp6 - psubw mm6,mm3 ; mm6=data0-data7=tmp7 - paddw mm0,mm2 ; mm0=data1+data6=tmp1 - paddw mm5,mm3 ; mm5=data0+data7=tmp0 - - movq mm2, MMWORD [wk(0)] ; mm2=(22 32 23 33) - movq mm3, MMWORD [wk(1)] ; mm3=(24 34 25 35) - movq MMWORD [wk(0)], mm7 ; wk(0)=tmp6 - movq MMWORD [wk(1)], mm6 ; wk(1)=tmp7 - - movq mm7,mm4 ; transpose coefficients(phase 2) - punpckldq mm4,mm2 ; mm4=(02 12 22 32)=data2 - punpckhdq mm7,mm2 ; mm7=(03 13 23 33)=data3 - movq mm6,mm1 ; transpose coefficients(phase 2) - punpckldq mm1,mm3 ; mm1=(04 14 24 34)=data4 - punpckhdq mm6,mm3 ; mm6=(05 15 25 35)=data5 - - movq mm2,mm7 - movq mm3,mm4 - paddw mm7,mm1 ; mm7=data3+data4=tmp3 - paddw mm4,mm6 ; mm4=data2+data5=tmp2 - psubw mm2,mm1 ; mm2=data3-data4=tmp4 - psubw mm3,mm6 ; mm3=data2-data5=tmp5 - - ; -- Even part - - movq mm1,mm5 - movq mm6,mm0 - psubw mm5,mm7 ; mm5=tmp13 - psubw mm0,mm4 ; mm0=tmp12 - paddw mm1,mm7 ; mm1=tmp10 - paddw mm6,mm4 ; mm6=tmp11 - - paddw mm0,mm5 - psllw mm0,PRE_MULTIPLY_SCALE_BITS - pmulhw mm0,[GOTOFF(ebx,PW_F0707)] ; mm0=z1 - - movq mm7,mm1 - movq mm4,mm5 - psubw mm1,mm6 ; mm1=data4 - psubw mm5,mm0 ; mm5=data6 - paddw mm7,mm6 ; mm7=data0 - paddw mm4,mm0 ; mm4=data2 - - movq MMWORD [MMBLOCK(0,1,edx,SIZEOF_DCTELEM)], mm1 - movq MMWORD [MMBLOCK(2,1,edx,SIZEOF_DCTELEM)], mm5 - movq MMWORD [MMBLOCK(0,0,edx,SIZEOF_DCTELEM)], mm7 - movq MMWORD [MMBLOCK(2,0,edx,SIZEOF_DCTELEM)], mm4 - - ; -- Odd part - - movq mm6, MMWORD [wk(0)] ; mm6=tmp6 - movq mm0, MMWORD [wk(1)] ; mm0=tmp7 - - paddw mm2,mm3 ; mm2=tmp10 - paddw mm3,mm6 ; mm3=tmp11 - paddw mm6,mm0 ; mm6=tmp12, mm0=tmp7 - - psllw mm2,PRE_MULTIPLY_SCALE_BITS - psllw mm6,PRE_MULTIPLY_SCALE_BITS - - psllw mm3,PRE_MULTIPLY_SCALE_BITS - pmulhw mm3,[GOTOFF(ebx,PW_F0707)] ; mm3=z3 - - movq mm1,mm2 ; mm1=tmp10 - psubw mm2,mm6 - pmulhw mm2,[GOTOFF(ebx,PW_F0382)] ; mm2=z5 - pmulhw mm1,[GOTOFF(ebx,PW_F0541)] ; mm1=MULTIPLY(tmp10,FIX_0_54119610) - pmulhw mm6,[GOTOFF(ebx,PW_F1306)] ; mm6=MULTIPLY(tmp12,FIX_1_30656296) - paddw mm1,mm2 ; mm1=z2 - paddw mm6,mm2 ; mm6=z4 - - movq mm5,mm0 - psubw mm0,mm3 ; mm0=z13 - paddw mm5,mm3 ; mm5=z11 - - movq mm7,mm0 - movq mm4,mm5 - psubw mm0,mm1 ; mm0=data3 - psubw mm5,mm6 ; mm5=data7 - paddw mm7,mm1 ; mm7=data5 - paddw mm4,mm6 ; mm4=data1 - - movq MMWORD [MMBLOCK(3,0,edx,SIZEOF_DCTELEM)], mm0 - movq MMWORD [MMBLOCK(3,1,edx,SIZEOF_DCTELEM)], mm5 - movq MMWORD [MMBLOCK(1,1,edx,SIZEOF_DCTELEM)], mm7 - movq MMWORD [MMBLOCK(1,0,edx,SIZEOF_DCTELEM)], mm4 - - add edx, byte 4*DCTSIZE*SIZEOF_DCTELEM - dec ecx - jnz near .rowloop - - ; ---- Pass 2: process columns. - - mov edx, POINTER [data(eax)] ; (DCTELEM *) - mov ecx, DCTSIZE/4 - alignx 16,7 -.columnloop: - - movq mm0, MMWORD [MMBLOCK(2,0,edx,SIZEOF_DCTELEM)] - movq mm1, MMWORD [MMBLOCK(3,0,edx,SIZEOF_DCTELEM)] - movq mm2, MMWORD [MMBLOCK(6,0,edx,SIZEOF_DCTELEM)] - movq mm3, MMWORD [MMBLOCK(7,0,edx,SIZEOF_DCTELEM)] - - ; mm0=(02 12 22 32), mm2=(42 52 62 72) - ; mm1=(03 13 23 33), mm3=(43 53 63 73) - - movq mm4,mm0 ; transpose coefficients(phase 1) - punpcklwd mm0,mm1 ; mm0=(02 03 12 13) - punpckhwd mm4,mm1 ; mm4=(22 23 32 33) - movq mm5,mm2 ; transpose coefficients(phase 1) - punpcklwd mm2,mm3 ; mm2=(42 43 52 53) - punpckhwd mm5,mm3 ; mm5=(62 63 72 73) - - movq mm6, MMWORD [MMBLOCK(0,0,edx,SIZEOF_DCTELEM)] - movq mm7, MMWORD [MMBLOCK(1,0,edx,SIZEOF_DCTELEM)] - movq mm1, MMWORD [MMBLOCK(4,0,edx,SIZEOF_DCTELEM)] - movq mm3, MMWORD [MMBLOCK(5,0,edx,SIZEOF_DCTELEM)] - - ; mm6=(00 10 20 30), mm1=(40 50 60 70) - ; mm7=(01 11 21 31), mm3=(41 51 61 71) - - movq MMWORD [wk(0)], mm4 ; wk(0)=(22 23 32 33) - movq MMWORD [wk(1)], mm2 ; wk(1)=(42 43 52 53) - - movq mm4,mm6 ; transpose coefficients(phase 1) - punpcklwd mm6,mm7 ; mm6=(00 01 10 11) - punpckhwd mm4,mm7 ; mm4=(20 21 30 31) - movq mm2,mm1 ; transpose coefficients(phase 1) - punpcklwd mm1,mm3 ; mm1=(40 41 50 51) - punpckhwd mm2,mm3 ; mm2=(60 61 70 71) - - movq mm7,mm6 ; transpose coefficients(phase 2) - punpckldq mm6,mm0 ; mm6=(00 01 02 03)=data0 - punpckhdq mm7,mm0 ; mm7=(10 11 12 13)=data1 - movq mm3,mm2 ; transpose coefficients(phase 2) - punpckldq mm2,mm5 ; mm2=(60 61 62 63)=data6 - punpckhdq mm3,mm5 ; mm3=(70 71 72 73)=data7 - - movq mm0,mm7 - movq mm5,mm6 - psubw mm7,mm2 ; mm7=data1-data6=tmp6 - psubw mm6,mm3 ; mm6=data0-data7=tmp7 - paddw mm0,mm2 ; mm0=data1+data6=tmp1 - paddw mm5,mm3 ; mm5=data0+data7=tmp0 - - movq mm2, MMWORD [wk(0)] ; mm2=(22 23 32 33) - movq mm3, MMWORD [wk(1)] ; mm3=(42 43 52 53) - movq MMWORD [wk(0)], mm7 ; wk(0)=tmp6 - movq MMWORD [wk(1)], mm6 ; wk(1)=tmp7 - - movq mm7,mm4 ; transpose coefficients(phase 2) - punpckldq mm4,mm2 ; mm4=(20 21 22 23)=data2 - punpckhdq mm7,mm2 ; mm7=(30 31 32 33)=data3 - movq mm6,mm1 ; transpose coefficients(phase 2) - punpckldq mm1,mm3 ; mm1=(40 41 42 43)=data4 - punpckhdq mm6,mm3 ; mm6=(50 51 52 53)=data5 - - movq mm2,mm7 - movq mm3,mm4 - paddw mm7,mm1 ; mm7=data3+data4=tmp3 - paddw mm4,mm6 ; mm4=data2+data5=tmp2 - psubw mm2,mm1 ; mm2=data3-data4=tmp4 - psubw mm3,mm6 ; mm3=data2-data5=tmp5 - - ; -- Even part - - movq mm1,mm5 - movq mm6,mm0 - psubw mm5,mm7 ; mm5=tmp13 - psubw mm0,mm4 ; mm0=tmp12 - paddw mm1,mm7 ; mm1=tmp10 - paddw mm6,mm4 ; mm6=tmp11 - - paddw mm0,mm5 - psllw mm0,PRE_MULTIPLY_SCALE_BITS - pmulhw mm0,[GOTOFF(ebx,PW_F0707)] ; mm0=z1 - - movq mm7,mm1 - movq mm4,mm5 - psubw mm1,mm6 ; mm1=data4 - psubw mm5,mm0 ; mm5=data6 - paddw mm7,mm6 ; mm7=data0 - paddw mm4,mm0 ; mm4=data2 - - movq MMWORD [MMBLOCK(4,0,edx,SIZEOF_DCTELEM)], mm1 - movq MMWORD [MMBLOCK(6,0,edx,SIZEOF_DCTELEM)], mm5 - movq MMWORD [MMBLOCK(0,0,edx,SIZEOF_DCTELEM)], mm7 - movq MMWORD [MMBLOCK(2,0,edx,SIZEOF_DCTELEM)], mm4 - - ; -- Odd part - - movq mm6, MMWORD [wk(0)] ; mm6=tmp6 - movq mm0, MMWORD [wk(1)] ; mm0=tmp7 - - paddw mm2,mm3 ; mm2=tmp10 - paddw mm3,mm6 ; mm3=tmp11 - paddw mm6,mm0 ; mm6=tmp12, mm0=tmp7 - - psllw mm2,PRE_MULTIPLY_SCALE_BITS - psllw mm6,PRE_MULTIPLY_SCALE_BITS - - psllw mm3,PRE_MULTIPLY_SCALE_BITS - pmulhw mm3,[GOTOFF(ebx,PW_F0707)] ; mm3=z3 - - movq mm1,mm2 ; mm1=tmp10 - psubw mm2,mm6 - pmulhw mm2,[GOTOFF(ebx,PW_F0382)] ; mm2=z5 - pmulhw mm1,[GOTOFF(ebx,PW_F0541)] ; mm1=MULTIPLY(tmp10,FIX_0_54119610) - pmulhw mm6,[GOTOFF(ebx,PW_F1306)] ; mm6=MULTIPLY(tmp12,FIX_1_30656296) - paddw mm1,mm2 ; mm1=z2 - paddw mm6,mm2 ; mm6=z4 - - movq mm5,mm0 - psubw mm0,mm3 ; mm0=z13 - paddw mm5,mm3 ; mm5=z11 - - movq mm7,mm0 - movq mm4,mm5 - psubw mm0,mm1 ; mm0=data3 - psubw mm5,mm6 ; mm5=data7 - paddw mm7,mm1 ; mm7=data5 - paddw mm4,mm6 ; mm4=data1 - - movq MMWORD [MMBLOCK(3,0,edx,SIZEOF_DCTELEM)], mm0 - movq MMWORD [MMBLOCK(7,0,edx,SIZEOF_DCTELEM)], mm5 - movq MMWORD [MMBLOCK(5,0,edx,SIZEOF_DCTELEM)], mm7 - movq MMWORD [MMBLOCK(1,0,edx,SIZEOF_DCTELEM)], mm4 - - add edx, byte 4*SIZEOF_DCTELEM - dec ecx - jnz near .columnloop - - emms ; empty MMX state - -; pop edi ; unused -; pop esi ; unused -; pop edx ; need not be preserved -; pop ecx ; need not be preserved - poppic ebx - mov esp,ebp ; esp <- aligned ebp - pop esp ; esp <- original ebp - pop ebp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jfmmxint.asm b/common/jpeg/simd/jfmmxint.asm deleted file mode 100644 index a7e73f73..00000000 --- a/common/jpeg/simd/jfmmxint.asm +++ /dev/null @@ -1,622 +0,0 @@ -; -; jfmmxint.asm - accurate integer FDCT (MMX) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; This file contains a slow-but-accurate integer implementation of the -; forward DCT (Discrete Cosine Transform). The following code is based -; directly on the IJG's original jfdctint.c; see the jfdctint.c for -; more details. -; -; [TAB8] - -%include "jsimdext.inc" -%include "jdct.inc" - -; -------------------------------------------------------------------------- - -%define CONST_BITS 13 -%define PASS1_BITS 2 - -%define DESCALE_P1 (CONST_BITS-PASS1_BITS) -%define DESCALE_P2 (CONST_BITS+PASS1_BITS) - -%if CONST_BITS == 13 -F_0_298 equ 2446 ; FIX(0.298631336) -F_0_390 equ 3196 ; FIX(0.390180644) -F_0_541 equ 4433 ; FIX(0.541196100) -F_0_765 equ 6270 ; FIX(0.765366865) -F_0_899 equ 7373 ; FIX(0.899976223) -F_1_175 equ 9633 ; FIX(1.175875602) -F_1_501 equ 12299 ; FIX(1.501321110) -F_1_847 equ 15137 ; FIX(1.847759065) -F_1_961 equ 16069 ; FIX(1.961570560) -F_2_053 equ 16819 ; FIX(2.053119869) -F_2_562 equ 20995 ; FIX(2.562915447) -F_3_072 equ 25172 ; FIX(3.072711026) -%else -; NASM cannot do compile-time arithmetic on floating-point constants. -%define DESCALE(x,n) (((x)+(1<<((n)-1)))>>(n)) -F_0_298 equ DESCALE( 320652955,30-CONST_BITS) ; FIX(0.298631336) -F_0_390 equ DESCALE( 418953276,30-CONST_BITS) ; FIX(0.390180644) -F_0_541 equ DESCALE( 581104887,30-CONST_BITS) ; FIX(0.541196100) -F_0_765 equ DESCALE( 821806413,30-CONST_BITS) ; FIX(0.765366865) -F_0_899 equ DESCALE( 966342111,30-CONST_BITS) ; FIX(0.899976223) -F_1_175 equ DESCALE(1262586813,30-CONST_BITS) ; FIX(1.175875602) -F_1_501 equ DESCALE(1612031267,30-CONST_BITS) ; FIX(1.501321110) -F_1_847 equ DESCALE(1984016188,30-CONST_BITS) ; FIX(1.847759065) -F_1_961 equ DESCALE(2106220350,30-CONST_BITS) ; FIX(1.961570560) -F_2_053 equ DESCALE(2204520673,30-CONST_BITS) ; FIX(2.053119869) -F_2_562 equ DESCALE(2751909506,30-CONST_BITS) ; FIX(2.562915447) -F_3_072 equ DESCALE(3299298341,30-CONST_BITS) ; FIX(3.072711026) -%endif - -; -------------------------------------------------------------------------- - SECTION SEG_CONST - - alignz 16 - global EXTN(jconst_fdct_islow_mmx) - -EXTN(jconst_fdct_islow_mmx): - -PW_F130_F054 times 2 dw (F_0_541+F_0_765), F_0_541 -PW_F054_MF130 times 2 dw F_0_541, (F_0_541-F_1_847) -PW_MF078_F117 times 2 dw (F_1_175-F_1_961), F_1_175 -PW_F117_F078 times 2 dw F_1_175, (F_1_175-F_0_390) -PW_MF060_MF089 times 2 dw (F_0_298-F_0_899),-F_0_899 -PW_MF089_F060 times 2 dw -F_0_899, (F_1_501-F_0_899) -PW_MF050_MF256 times 2 dw (F_2_053-F_2_562),-F_2_562 -PW_MF256_F050 times 2 dw -F_2_562, (F_3_072-F_2_562) -PD_DESCALE_P1 times 2 dd 1 << (DESCALE_P1-1) -PD_DESCALE_P2 times 2 dd 1 << (DESCALE_P2-1) -PW_DESCALE_P2X times 4 dw 1 << (PASS1_BITS-1) - - alignz 16 - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 32 -; -; Perform the forward DCT on one block of samples. -; -; GLOBAL(void) -; jsimd_fdct_islow_mmx (DCTELEM * data) -; - -%define data(b) (b)+8 ; DCTELEM * data - -%define original_ebp ebp+0 -%define wk(i) ebp-(WK_NUM-(i))*SIZEOF_MMWORD ; mmword wk[WK_NUM] -%define WK_NUM 2 - - align 16 - global EXTN(jsimd_fdct_islow_mmx) - -EXTN(jsimd_fdct_islow_mmx): - push ebp - mov eax,esp ; eax = original ebp - sub esp, byte 4 - and esp, byte (-SIZEOF_MMWORD) ; align to 64 bits - mov [esp],eax - mov ebp,esp ; ebp = aligned ebp - lea esp, [wk(0)] - pushpic ebx -; push ecx ; need not be preserved -; push edx ; need not be preserved -; push esi ; unused -; push edi ; unused - - get_GOT ebx ; get GOT address - - ; ---- Pass 1: process rows. - - mov edx, POINTER [data(eax)] ; (DCTELEM *) - mov ecx, DCTSIZE/4 - alignx 16,7 -.rowloop: - - movq mm0, MMWORD [MMBLOCK(2,0,edx,SIZEOF_DCTELEM)] - movq mm1, MMWORD [MMBLOCK(3,0,edx,SIZEOF_DCTELEM)] - movq mm2, MMWORD [MMBLOCK(2,1,edx,SIZEOF_DCTELEM)] - movq mm3, MMWORD [MMBLOCK(3,1,edx,SIZEOF_DCTELEM)] - - ; mm0=(20 21 22 23), mm2=(24 25 26 27) - ; mm1=(30 31 32 33), mm3=(34 35 36 37) - - movq mm4,mm0 ; transpose coefficients(phase 1) - punpcklwd mm0,mm1 ; mm0=(20 30 21 31) - punpckhwd mm4,mm1 ; mm4=(22 32 23 33) - movq mm5,mm2 ; transpose coefficients(phase 1) - punpcklwd mm2,mm3 ; mm2=(24 34 25 35) - punpckhwd mm5,mm3 ; mm5=(26 36 27 37) - - movq mm6, MMWORD [MMBLOCK(0,0,edx,SIZEOF_DCTELEM)] - movq mm7, MMWORD [MMBLOCK(1,0,edx,SIZEOF_DCTELEM)] - movq mm1, MMWORD [MMBLOCK(0,1,edx,SIZEOF_DCTELEM)] - movq mm3, MMWORD [MMBLOCK(1,1,edx,SIZEOF_DCTELEM)] - - ; mm6=(00 01 02 03), mm1=(04 05 06 07) - ; mm7=(10 11 12 13), mm3=(14 15 16 17) - - movq MMWORD [wk(0)], mm4 ; wk(0)=(22 32 23 33) - movq MMWORD [wk(1)], mm2 ; wk(1)=(24 34 25 35) - - movq mm4,mm6 ; transpose coefficients(phase 1) - punpcklwd mm6,mm7 ; mm6=(00 10 01 11) - punpckhwd mm4,mm7 ; mm4=(02 12 03 13) - movq mm2,mm1 ; transpose coefficients(phase 1) - punpcklwd mm1,mm3 ; mm1=(04 14 05 15) - punpckhwd mm2,mm3 ; mm2=(06 16 07 17) - - movq mm7,mm6 ; transpose coefficients(phase 2) - punpckldq mm6,mm0 ; mm6=(00 10 20 30)=data0 - punpckhdq mm7,mm0 ; mm7=(01 11 21 31)=data1 - movq mm3,mm2 ; transpose coefficients(phase 2) - punpckldq mm2,mm5 ; mm2=(06 16 26 36)=data6 - punpckhdq mm3,mm5 ; mm3=(07 17 27 37)=data7 - - movq mm0,mm7 - movq mm5,mm6 - psubw mm7,mm2 ; mm7=data1-data6=tmp6 - psubw mm6,mm3 ; mm6=data0-data7=tmp7 - paddw mm0,mm2 ; mm0=data1+data6=tmp1 - paddw mm5,mm3 ; mm5=data0+data7=tmp0 - - movq mm2, MMWORD [wk(0)] ; mm2=(22 32 23 33) - movq mm3, MMWORD [wk(1)] ; mm3=(24 34 25 35) - movq MMWORD [wk(0)], mm7 ; wk(0)=tmp6 - movq MMWORD [wk(1)], mm6 ; wk(1)=tmp7 - - movq mm7,mm4 ; transpose coefficients(phase 2) - punpckldq mm4,mm2 ; mm4=(02 12 22 32)=data2 - punpckhdq mm7,mm2 ; mm7=(03 13 23 33)=data3 - movq mm6,mm1 ; transpose coefficients(phase 2) - punpckldq mm1,mm3 ; mm1=(04 14 24 34)=data4 - punpckhdq mm6,mm3 ; mm6=(05 15 25 35)=data5 - - movq mm2,mm7 - movq mm3,mm4 - paddw mm7,mm1 ; mm7=data3+data4=tmp3 - paddw mm4,mm6 ; mm4=data2+data5=tmp2 - psubw mm2,mm1 ; mm2=data3-data4=tmp4 - psubw mm3,mm6 ; mm3=data2-data5=tmp5 - - ; -- Even part - - movq mm1,mm5 - movq mm6,mm0 - paddw mm5,mm7 ; mm5=tmp10 - paddw mm0,mm4 ; mm0=tmp11 - psubw mm1,mm7 ; mm1=tmp13 - psubw mm6,mm4 ; mm6=tmp12 - - movq mm7,mm5 - paddw mm5,mm0 ; mm5=tmp10+tmp11 - psubw mm7,mm0 ; mm7=tmp10-tmp11 - - psllw mm5,PASS1_BITS ; mm5=data0 - psllw mm7,PASS1_BITS ; mm7=data4 - - movq MMWORD [MMBLOCK(0,0,edx,SIZEOF_DCTELEM)], mm5 - movq MMWORD [MMBLOCK(0,1,edx,SIZEOF_DCTELEM)], mm7 - - ; (Original) - ; z1 = (tmp12 + tmp13) * 0.541196100; - ; data2 = z1 + tmp13 * 0.765366865; - ; data6 = z1 + tmp12 * -1.847759065; - ; - ; (This implementation) - ; data2 = tmp13 * (0.541196100 + 0.765366865) + tmp12 * 0.541196100; - ; data6 = tmp13 * 0.541196100 + tmp12 * (0.541196100 - 1.847759065); - - movq mm4,mm1 ; mm1=tmp13 - movq mm0,mm1 - punpcklwd mm4,mm6 ; mm6=tmp12 - punpckhwd mm0,mm6 - movq mm1,mm4 - movq mm6,mm0 - pmaddwd mm4,[GOTOFF(ebx,PW_F130_F054)] ; mm4=data2L - pmaddwd mm0,[GOTOFF(ebx,PW_F130_F054)] ; mm0=data2H - pmaddwd mm1,[GOTOFF(ebx,PW_F054_MF130)] ; mm1=data6L - pmaddwd mm6,[GOTOFF(ebx,PW_F054_MF130)] ; mm6=data6H - - paddd mm4,[GOTOFF(ebx,PD_DESCALE_P1)] - paddd mm0,[GOTOFF(ebx,PD_DESCALE_P1)] - psrad mm4,DESCALE_P1 - psrad mm0,DESCALE_P1 - paddd mm1,[GOTOFF(ebx,PD_DESCALE_P1)] - paddd mm6,[GOTOFF(ebx,PD_DESCALE_P1)] - psrad mm1,DESCALE_P1 - psrad mm6,DESCALE_P1 - - packssdw mm4,mm0 ; mm4=data2 - packssdw mm1,mm6 ; mm1=data6 - - movq MMWORD [MMBLOCK(2,0,edx,SIZEOF_DCTELEM)], mm4 - movq MMWORD [MMBLOCK(2,1,edx,SIZEOF_DCTELEM)], mm1 - - ; -- Odd part - - movq mm5, MMWORD [wk(0)] ; mm5=tmp6 - movq mm7, MMWORD [wk(1)] ; mm7=tmp7 - - movq mm0,mm2 ; mm2=tmp4 - movq mm6,mm3 ; mm3=tmp5 - paddw mm0,mm5 ; mm0=z3 - paddw mm6,mm7 ; mm6=z4 - - ; (Original) - ; z5 = (z3 + z4) * 1.175875602; - ; z3 = z3 * -1.961570560; z4 = z4 * -0.390180644; - ; z3 += z5; z4 += z5; - ; - ; (This implementation) - ; z3 = z3 * (1.175875602 - 1.961570560) + z4 * 1.175875602; - ; z4 = z3 * 1.175875602 + z4 * (1.175875602 - 0.390180644); - - movq mm4,mm0 - movq mm1,mm0 - punpcklwd mm4,mm6 - punpckhwd mm1,mm6 - movq mm0,mm4 - movq mm6,mm1 - pmaddwd mm4,[GOTOFF(ebx,PW_MF078_F117)] ; mm4=z3L - pmaddwd mm1,[GOTOFF(ebx,PW_MF078_F117)] ; mm1=z3H - pmaddwd mm0,[GOTOFF(ebx,PW_F117_F078)] ; mm0=z4L - pmaddwd mm6,[GOTOFF(ebx,PW_F117_F078)] ; mm6=z4H - - movq MMWORD [wk(0)], mm4 ; wk(0)=z3L - movq MMWORD [wk(1)], mm1 ; wk(1)=z3H - - ; (Original) - ; z1 = tmp4 + tmp7; z2 = tmp5 + tmp6; - ; tmp4 = tmp4 * 0.298631336; tmp5 = tmp5 * 2.053119869; - ; tmp6 = tmp6 * 3.072711026; tmp7 = tmp7 * 1.501321110; - ; z1 = z1 * -0.899976223; z2 = z2 * -2.562915447; - ; data7 = tmp4 + z1 + z3; data5 = tmp5 + z2 + z4; - ; data3 = tmp6 + z2 + z3; data1 = tmp7 + z1 + z4; - ; - ; (This implementation) - ; tmp4 = tmp4 * (0.298631336 - 0.899976223) + tmp7 * -0.899976223; - ; tmp5 = tmp5 * (2.053119869 - 2.562915447) + tmp6 * -2.562915447; - ; tmp6 = tmp5 * -2.562915447 + tmp6 * (3.072711026 - 2.562915447); - ; tmp7 = tmp4 * -0.899976223 + tmp7 * (1.501321110 - 0.899976223); - ; data7 = tmp4 + z3; data5 = tmp5 + z4; - ; data3 = tmp6 + z3; data1 = tmp7 + z4; - - movq mm4,mm2 - movq mm1,mm2 - punpcklwd mm4,mm7 - punpckhwd mm1,mm7 - movq mm2,mm4 - movq mm7,mm1 - pmaddwd mm4,[GOTOFF(ebx,PW_MF060_MF089)] ; mm4=tmp4L - pmaddwd mm1,[GOTOFF(ebx,PW_MF060_MF089)] ; mm1=tmp4H - pmaddwd mm2,[GOTOFF(ebx,PW_MF089_F060)] ; mm2=tmp7L - pmaddwd mm7,[GOTOFF(ebx,PW_MF089_F060)] ; mm7=tmp7H - - paddd mm4, MMWORD [wk(0)] ; mm4=data7L - paddd mm1, MMWORD [wk(1)] ; mm1=data7H - paddd mm2,mm0 ; mm2=data1L - paddd mm7,mm6 ; mm7=data1H - - paddd mm4,[GOTOFF(ebx,PD_DESCALE_P1)] - paddd mm1,[GOTOFF(ebx,PD_DESCALE_P1)] - psrad mm4,DESCALE_P1 - psrad mm1,DESCALE_P1 - paddd mm2,[GOTOFF(ebx,PD_DESCALE_P1)] - paddd mm7,[GOTOFF(ebx,PD_DESCALE_P1)] - psrad mm2,DESCALE_P1 - psrad mm7,DESCALE_P1 - - packssdw mm4,mm1 ; mm4=data7 - packssdw mm2,mm7 ; mm2=data1 - - movq MMWORD [MMBLOCK(3,1,edx,SIZEOF_DCTELEM)], mm4 - movq MMWORD [MMBLOCK(1,0,edx,SIZEOF_DCTELEM)], mm2 - - movq mm1,mm3 - movq mm7,mm3 - punpcklwd mm1,mm5 - punpckhwd mm7,mm5 - movq mm3,mm1 - movq mm5,mm7 - pmaddwd mm1,[GOTOFF(ebx,PW_MF050_MF256)] ; mm1=tmp5L - pmaddwd mm7,[GOTOFF(ebx,PW_MF050_MF256)] ; mm7=tmp5H - pmaddwd mm3,[GOTOFF(ebx,PW_MF256_F050)] ; mm3=tmp6L - pmaddwd mm5,[GOTOFF(ebx,PW_MF256_F050)] ; mm5=tmp6H - - paddd mm1,mm0 ; mm1=data5L - paddd mm7,mm6 ; mm7=data5H - paddd mm3, MMWORD [wk(0)] ; mm3=data3L - paddd mm5, MMWORD [wk(1)] ; mm5=data3H - - paddd mm1,[GOTOFF(ebx,PD_DESCALE_P1)] - paddd mm7,[GOTOFF(ebx,PD_DESCALE_P1)] - psrad mm1,DESCALE_P1 - psrad mm7,DESCALE_P1 - paddd mm3,[GOTOFF(ebx,PD_DESCALE_P1)] - paddd mm5,[GOTOFF(ebx,PD_DESCALE_P1)] - psrad mm3,DESCALE_P1 - psrad mm5,DESCALE_P1 - - packssdw mm1,mm7 ; mm1=data5 - packssdw mm3,mm5 ; mm3=data3 - - movq MMWORD [MMBLOCK(1,1,edx,SIZEOF_DCTELEM)], mm1 - movq MMWORD [MMBLOCK(3,0,edx,SIZEOF_DCTELEM)], mm3 - - add edx, byte 4*DCTSIZE*SIZEOF_DCTELEM - dec ecx - jnz near .rowloop - - ; ---- Pass 2: process columns. - - mov edx, POINTER [data(eax)] ; (DCTELEM *) - mov ecx, DCTSIZE/4 - alignx 16,7 -.columnloop: - - movq mm0, MMWORD [MMBLOCK(2,0,edx,SIZEOF_DCTELEM)] - movq mm1, MMWORD [MMBLOCK(3,0,edx,SIZEOF_DCTELEM)] - movq mm2, MMWORD [MMBLOCK(6,0,edx,SIZEOF_DCTELEM)] - movq mm3, MMWORD [MMBLOCK(7,0,edx,SIZEOF_DCTELEM)] - - ; mm0=(02 12 22 32), mm2=(42 52 62 72) - ; mm1=(03 13 23 33), mm3=(43 53 63 73) - - movq mm4,mm0 ; transpose coefficients(phase 1) - punpcklwd mm0,mm1 ; mm0=(02 03 12 13) - punpckhwd mm4,mm1 ; mm4=(22 23 32 33) - movq mm5,mm2 ; transpose coefficients(phase 1) - punpcklwd mm2,mm3 ; mm2=(42 43 52 53) - punpckhwd mm5,mm3 ; mm5=(62 63 72 73) - - movq mm6, MMWORD [MMBLOCK(0,0,edx,SIZEOF_DCTELEM)] - movq mm7, MMWORD [MMBLOCK(1,0,edx,SIZEOF_DCTELEM)] - movq mm1, MMWORD [MMBLOCK(4,0,edx,SIZEOF_DCTELEM)] - movq mm3, MMWORD [MMBLOCK(5,0,edx,SIZEOF_DCTELEM)] - - ; mm6=(00 10 20 30), mm1=(40 50 60 70) - ; mm7=(01 11 21 31), mm3=(41 51 61 71) - - movq MMWORD [wk(0)], mm4 ; wk(0)=(22 23 32 33) - movq MMWORD [wk(1)], mm2 ; wk(1)=(42 43 52 53) - - movq mm4,mm6 ; transpose coefficients(phase 1) - punpcklwd mm6,mm7 ; mm6=(00 01 10 11) - punpckhwd mm4,mm7 ; mm4=(20 21 30 31) - movq mm2,mm1 ; transpose coefficients(phase 1) - punpcklwd mm1,mm3 ; mm1=(40 41 50 51) - punpckhwd mm2,mm3 ; mm2=(60 61 70 71) - - movq mm7,mm6 ; transpose coefficients(phase 2) - punpckldq mm6,mm0 ; mm6=(00 01 02 03)=data0 - punpckhdq mm7,mm0 ; mm7=(10 11 12 13)=data1 - movq mm3,mm2 ; transpose coefficients(phase 2) - punpckldq mm2,mm5 ; mm2=(60 61 62 63)=data6 - punpckhdq mm3,mm5 ; mm3=(70 71 72 73)=data7 - - movq mm0,mm7 - movq mm5,mm6 - psubw mm7,mm2 ; mm7=data1-data6=tmp6 - psubw mm6,mm3 ; mm6=data0-data7=tmp7 - paddw mm0,mm2 ; mm0=data1+data6=tmp1 - paddw mm5,mm3 ; mm5=data0+data7=tmp0 - - movq mm2, MMWORD [wk(0)] ; mm2=(22 23 32 33) - movq mm3, MMWORD [wk(1)] ; mm3=(42 43 52 53) - movq MMWORD [wk(0)], mm7 ; wk(0)=tmp6 - movq MMWORD [wk(1)], mm6 ; wk(1)=tmp7 - - movq mm7,mm4 ; transpose coefficients(phase 2) - punpckldq mm4,mm2 ; mm4=(20 21 22 23)=data2 - punpckhdq mm7,mm2 ; mm7=(30 31 32 33)=data3 - movq mm6,mm1 ; transpose coefficients(phase 2) - punpckldq mm1,mm3 ; mm1=(40 41 42 43)=data4 - punpckhdq mm6,mm3 ; mm6=(50 51 52 53)=data5 - - movq mm2,mm7 - movq mm3,mm4 - paddw mm7,mm1 ; mm7=data3+data4=tmp3 - paddw mm4,mm6 ; mm4=data2+data5=tmp2 - psubw mm2,mm1 ; mm2=data3-data4=tmp4 - psubw mm3,mm6 ; mm3=data2-data5=tmp5 - - ; -- Even part - - movq mm1,mm5 - movq mm6,mm0 - paddw mm5,mm7 ; mm5=tmp10 - paddw mm0,mm4 ; mm0=tmp11 - psubw mm1,mm7 ; mm1=tmp13 - psubw mm6,mm4 ; mm6=tmp12 - - movq mm7,mm5 - paddw mm5,mm0 ; mm5=tmp10+tmp11 - psubw mm7,mm0 ; mm7=tmp10-tmp11 - - paddw mm5,[GOTOFF(ebx,PW_DESCALE_P2X)] - paddw mm7,[GOTOFF(ebx,PW_DESCALE_P2X)] - psraw mm5,PASS1_BITS ; mm5=data0 - psraw mm7,PASS1_BITS ; mm7=data4 - - movq MMWORD [MMBLOCK(0,0,edx,SIZEOF_DCTELEM)], mm5 - movq MMWORD [MMBLOCK(4,0,edx,SIZEOF_DCTELEM)], mm7 - - ; (Original) - ; z1 = (tmp12 + tmp13) * 0.541196100; - ; data2 = z1 + tmp13 * 0.765366865; - ; data6 = z1 + tmp12 * -1.847759065; - ; - ; (This implementation) - ; data2 = tmp13 * (0.541196100 + 0.765366865) + tmp12 * 0.541196100; - ; data6 = tmp13 * 0.541196100 + tmp12 * (0.541196100 - 1.847759065); - - movq mm4,mm1 ; mm1=tmp13 - movq mm0,mm1 - punpcklwd mm4,mm6 ; mm6=tmp12 - punpckhwd mm0,mm6 - movq mm1,mm4 - movq mm6,mm0 - pmaddwd mm4,[GOTOFF(ebx,PW_F130_F054)] ; mm4=data2L - pmaddwd mm0,[GOTOFF(ebx,PW_F130_F054)] ; mm0=data2H - pmaddwd mm1,[GOTOFF(ebx,PW_F054_MF130)] ; mm1=data6L - pmaddwd mm6,[GOTOFF(ebx,PW_F054_MF130)] ; mm6=data6H - - paddd mm4,[GOTOFF(ebx,PD_DESCALE_P2)] - paddd mm0,[GOTOFF(ebx,PD_DESCALE_P2)] - psrad mm4,DESCALE_P2 - psrad mm0,DESCALE_P2 - paddd mm1,[GOTOFF(ebx,PD_DESCALE_P2)] - paddd mm6,[GOTOFF(ebx,PD_DESCALE_P2)] - psrad mm1,DESCALE_P2 - psrad mm6,DESCALE_P2 - - packssdw mm4,mm0 ; mm4=data2 - packssdw mm1,mm6 ; mm1=data6 - - movq MMWORD [MMBLOCK(2,0,edx,SIZEOF_DCTELEM)], mm4 - movq MMWORD [MMBLOCK(6,0,edx,SIZEOF_DCTELEM)], mm1 - - ; -- Odd part - - movq mm5, MMWORD [wk(0)] ; mm5=tmp6 - movq mm7, MMWORD [wk(1)] ; mm7=tmp7 - - movq mm0,mm2 ; mm2=tmp4 - movq mm6,mm3 ; mm3=tmp5 - paddw mm0,mm5 ; mm0=z3 - paddw mm6,mm7 ; mm6=z4 - - ; (Original) - ; z5 = (z3 + z4) * 1.175875602; - ; z3 = z3 * -1.961570560; z4 = z4 * -0.390180644; - ; z3 += z5; z4 += z5; - ; - ; (This implementation) - ; z3 = z3 * (1.175875602 - 1.961570560) + z4 * 1.175875602; - ; z4 = z3 * 1.175875602 + z4 * (1.175875602 - 0.390180644); - - movq mm4,mm0 - movq mm1,mm0 - punpcklwd mm4,mm6 - punpckhwd mm1,mm6 - movq mm0,mm4 - movq mm6,mm1 - pmaddwd mm4,[GOTOFF(ebx,PW_MF078_F117)] ; mm4=z3L - pmaddwd mm1,[GOTOFF(ebx,PW_MF078_F117)] ; mm1=z3H - pmaddwd mm0,[GOTOFF(ebx,PW_F117_F078)] ; mm0=z4L - pmaddwd mm6,[GOTOFF(ebx,PW_F117_F078)] ; mm6=z4H - - movq MMWORD [wk(0)], mm4 ; wk(0)=z3L - movq MMWORD [wk(1)], mm1 ; wk(1)=z3H - - ; (Original) - ; z1 = tmp4 + tmp7; z2 = tmp5 + tmp6; - ; tmp4 = tmp4 * 0.298631336; tmp5 = tmp5 * 2.053119869; - ; tmp6 = tmp6 * 3.072711026; tmp7 = tmp7 * 1.501321110; - ; z1 = z1 * -0.899976223; z2 = z2 * -2.562915447; - ; data7 = tmp4 + z1 + z3; data5 = tmp5 + z2 + z4; - ; data3 = tmp6 + z2 + z3; data1 = tmp7 + z1 + z4; - ; - ; (This implementation) - ; tmp4 = tmp4 * (0.298631336 - 0.899976223) + tmp7 * -0.899976223; - ; tmp5 = tmp5 * (2.053119869 - 2.562915447) + tmp6 * -2.562915447; - ; tmp6 = tmp5 * -2.562915447 + tmp6 * (3.072711026 - 2.562915447); - ; tmp7 = tmp4 * -0.899976223 + tmp7 * (1.501321110 - 0.899976223); - ; data7 = tmp4 + z3; data5 = tmp5 + z4; - ; data3 = tmp6 + z3; data1 = tmp7 + z4; - - movq mm4,mm2 - movq mm1,mm2 - punpcklwd mm4,mm7 - punpckhwd mm1,mm7 - movq mm2,mm4 - movq mm7,mm1 - pmaddwd mm4,[GOTOFF(ebx,PW_MF060_MF089)] ; mm4=tmp4L - pmaddwd mm1,[GOTOFF(ebx,PW_MF060_MF089)] ; mm1=tmp4H - pmaddwd mm2,[GOTOFF(ebx,PW_MF089_F060)] ; mm2=tmp7L - pmaddwd mm7,[GOTOFF(ebx,PW_MF089_F060)] ; mm7=tmp7H - - paddd mm4, MMWORD [wk(0)] ; mm4=data7L - paddd mm1, MMWORD [wk(1)] ; mm1=data7H - paddd mm2,mm0 ; mm2=data1L - paddd mm7,mm6 ; mm7=data1H - - paddd mm4,[GOTOFF(ebx,PD_DESCALE_P2)] - paddd mm1,[GOTOFF(ebx,PD_DESCALE_P2)] - psrad mm4,DESCALE_P2 - psrad mm1,DESCALE_P2 - paddd mm2,[GOTOFF(ebx,PD_DESCALE_P2)] - paddd mm7,[GOTOFF(ebx,PD_DESCALE_P2)] - psrad mm2,DESCALE_P2 - psrad mm7,DESCALE_P2 - - packssdw mm4,mm1 ; mm4=data7 - packssdw mm2,mm7 ; mm2=data1 - - movq MMWORD [MMBLOCK(7,0,edx,SIZEOF_DCTELEM)], mm4 - movq MMWORD [MMBLOCK(1,0,edx,SIZEOF_DCTELEM)], mm2 - - movq mm1,mm3 - movq mm7,mm3 - punpcklwd mm1,mm5 - punpckhwd mm7,mm5 - movq mm3,mm1 - movq mm5,mm7 - pmaddwd mm1,[GOTOFF(ebx,PW_MF050_MF256)] ; mm1=tmp5L - pmaddwd mm7,[GOTOFF(ebx,PW_MF050_MF256)] ; mm7=tmp5H - pmaddwd mm3,[GOTOFF(ebx,PW_MF256_F050)] ; mm3=tmp6L - pmaddwd mm5,[GOTOFF(ebx,PW_MF256_F050)] ; mm5=tmp6H - - paddd mm1,mm0 ; mm1=data5L - paddd mm7,mm6 ; mm7=data5H - paddd mm3, MMWORD [wk(0)] ; mm3=data3L - paddd mm5, MMWORD [wk(1)] ; mm5=data3H - - paddd mm1,[GOTOFF(ebx,PD_DESCALE_P2)] - paddd mm7,[GOTOFF(ebx,PD_DESCALE_P2)] - psrad mm1,DESCALE_P2 - psrad mm7,DESCALE_P2 - paddd mm3,[GOTOFF(ebx,PD_DESCALE_P2)] - paddd mm5,[GOTOFF(ebx,PD_DESCALE_P2)] - psrad mm3,DESCALE_P2 - psrad mm5,DESCALE_P2 - - packssdw mm1,mm7 ; mm1=data5 - packssdw mm3,mm5 ; mm3=data3 - - movq MMWORD [MMBLOCK(5,0,edx,SIZEOF_DCTELEM)], mm1 - movq MMWORD [MMBLOCK(3,0,edx,SIZEOF_DCTELEM)], mm3 - - add edx, byte 4*SIZEOF_DCTELEM - dec ecx - jnz near .columnloop - - emms ; empty MMX state - -; pop edi ; unused -; pop esi ; unused -; pop edx ; need not be preserved -; pop ecx ; need not be preserved - poppic ebx - mov esp,ebp ; esp <- aligned ebp - pop esp ; esp <- original ebp - pop ebp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jfss2fst-64.asm b/common/jpeg/simd/jfss2fst-64.asm deleted file mode 100644 index 6953caf3..00000000 --- a/common/jpeg/simd/jfss2fst-64.asm +++ /dev/null @@ -1,392 +0,0 @@ -; -; jfss2fst-64.asm - fast integer FDCT (64-bit SSE2) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; Copyright 2009 D. R. Commander -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; This file contains a fast, not so accurate integer implementation of -; the forward DCT (Discrete Cosine Transform). The following code is -; based directly on the IJG's original jfdctfst.c; see the jfdctfst.c -; for more details. -; -; [TAB8] - -%include "jsimdext.inc" -%include "jdct.inc" - -; -------------------------------------------------------------------------- - -%define CONST_BITS 8 ; 14 is also OK. - -%if CONST_BITS == 8 -F_0_382 equ 98 ; FIX(0.382683433) -F_0_541 equ 139 ; FIX(0.541196100) -F_0_707 equ 181 ; FIX(0.707106781) -F_1_306 equ 334 ; FIX(1.306562965) -%else -; NASM cannot do compile-time arithmetic on floating-point constants. -%define DESCALE(x,n) (((x)+(1<<((n)-1)))>>(n)) -F_0_382 equ DESCALE( 410903207,30-CONST_BITS) ; FIX(0.382683433) -F_0_541 equ DESCALE( 581104887,30-CONST_BITS) ; FIX(0.541196100) -F_0_707 equ DESCALE( 759250124,30-CONST_BITS) ; FIX(0.707106781) -F_1_306 equ DESCALE(1402911301,30-CONST_BITS) ; FIX(1.306562965) -%endif - -; -------------------------------------------------------------------------- - SECTION SEG_CONST - -; PRE_MULTIPLY_SCALE_BITS <= 2 (to avoid overflow) -; CONST_BITS + CONST_SHIFT + PRE_MULTIPLY_SCALE_BITS == 16 (for pmulhw) - -%define PRE_MULTIPLY_SCALE_BITS 2 -%define CONST_SHIFT (16 - PRE_MULTIPLY_SCALE_BITS - CONST_BITS) - - alignz 16 - global EXTN(jconst_fdct_ifast_sse2) - -EXTN(jconst_fdct_ifast_sse2): - -PW_F0707 times 8 dw F_0_707 << CONST_SHIFT -PW_F0382 times 8 dw F_0_382 << CONST_SHIFT -PW_F0541 times 8 dw F_0_541 << CONST_SHIFT -PW_F1306 times 8 dw F_1_306 << CONST_SHIFT - - alignz 16 - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 64 -; -; Perform the forward DCT on one block of samples. -; -; GLOBAL(void) -; jsimd_fdct_ifast_sse2 (DCTELEM * data) -; - -; r10 = DCTELEM * data - -%define wk(i) rbp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM] -%define WK_NUM 2 - - align 16 - global EXTN(jsimd_fdct_ifast_sse2) - -EXTN(jsimd_fdct_ifast_sse2): - push rbp - mov rax,rsp ; rax = original rbp - sub rsp, byte 4 - and rsp, byte (-SIZEOF_XMMWORD) ; align to 128 bits - mov [rsp],rax - mov rbp,rsp ; rbp = aligned rbp - lea rsp, [wk(0)] - collect_args - - ; ---- Pass 1: process rows. - - mov rdx, r10 ; (DCTELEM *) - - movdqa xmm0, XMMWORD [XMMBLOCK(0,0,rdx,SIZEOF_DCTELEM)] - movdqa xmm1, XMMWORD [XMMBLOCK(1,0,rdx,SIZEOF_DCTELEM)] - movdqa xmm2, XMMWORD [XMMBLOCK(2,0,rdx,SIZEOF_DCTELEM)] - movdqa xmm3, XMMWORD [XMMBLOCK(3,0,rdx,SIZEOF_DCTELEM)] - - ; xmm0=(00 01 02 03 04 05 06 07), xmm2=(20 21 22 23 24 25 26 27) - ; xmm1=(10 11 12 13 14 15 16 17), xmm3=(30 31 32 33 34 35 36 37) - - movdqa xmm4,xmm0 ; transpose coefficients(phase 1) - punpcklwd xmm0,xmm1 ; xmm0=(00 10 01 11 02 12 03 13) - punpckhwd xmm4,xmm1 ; xmm4=(04 14 05 15 06 16 07 17) - movdqa xmm5,xmm2 ; transpose coefficients(phase 1) - punpcklwd xmm2,xmm3 ; xmm2=(20 30 21 31 22 32 23 33) - punpckhwd xmm5,xmm3 ; xmm5=(24 34 25 35 26 36 27 37) - - movdqa xmm6, XMMWORD [XMMBLOCK(4,0,rdx,SIZEOF_DCTELEM)] - movdqa xmm7, XMMWORD [XMMBLOCK(5,0,rdx,SIZEOF_DCTELEM)] - movdqa xmm1, XMMWORD [XMMBLOCK(6,0,rdx,SIZEOF_DCTELEM)] - movdqa xmm3, XMMWORD [XMMBLOCK(7,0,rdx,SIZEOF_DCTELEM)] - - ; xmm6=( 4 12 20 28 36 44 52 60), xmm1=( 6 14 22 30 38 46 54 62) - ; xmm7=( 5 13 21 29 37 45 53 61), xmm3=( 7 15 23 31 39 47 55 63) - - movdqa XMMWORD [wk(0)], xmm2 ; wk(0)=(20 30 21 31 22 32 23 33) - movdqa XMMWORD [wk(1)], xmm5 ; wk(1)=(24 34 25 35 26 36 27 37) - - movdqa xmm2,xmm6 ; transpose coefficients(phase 1) - punpcklwd xmm6,xmm7 ; xmm6=(40 50 41 51 42 52 43 53) - punpckhwd xmm2,xmm7 ; xmm2=(44 54 45 55 46 56 47 57) - movdqa xmm5,xmm1 ; transpose coefficients(phase 1) - punpcklwd xmm1,xmm3 ; xmm1=(60 70 61 71 62 72 63 73) - punpckhwd xmm5,xmm3 ; xmm5=(64 74 65 75 66 76 67 77) - - movdqa xmm7,xmm6 ; transpose coefficients(phase 2) - punpckldq xmm6,xmm1 ; xmm6=(40 50 60 70 41 51 61 71) - punpckhdq xmm7,xmm1 ; xmm7=(42 52 62 72 43 53 63 73) - movdqa xmm3,xmm2 ; transpose coefficients(phase 2) - punpckldq xmm2,xmm5 ; xmm2=(44 54 64 74 45 55 65 75) - punpckhdq xmm3,xmm5 ; xmm3=(46 56 66 76 47 57 67 77) - - movdqa xmm1, XMMWORD [wk(0)] ; xmm1=(20 30 21 31 22 32 23 33) - movdqa xmm5, XMMWORD [wk(1)] ; xmm5=(24 34 25 35 26 36 27 37) - movdqa XMMWORD [wk(0)], xmm7 ; wk(0)=(42 52 62 72 43 53 63 73) - movdqa XMMWORD [wk(1)], xmm2 ; wk(1)=(44 54 64 74 45 55 65 75) - - movdqa xmm7,xmm0 ; transpose coefficients(phase 2) - punpckldq xmm0,xmm1 ; xmm0=(00 10 20 30 01 11 21 31) - punpckhdq xmm7,xmm1 ; xmm7=(02 12 22 32 03 13 23 33) - movdqa xmm2,xmm4 ; transpose coefficients(phase 2) - punpckldq xmm4,xmm5 ; xmm4=(04 14 24 34 05 15 25 35) - punpckhdq xmm2,xmm5 ; xmm2=(06 16 26 36 07 17 27 37) - - movdqa xmm1,xmm0 ; transpose coefficients(phase 3) - punpcklqdq xmm0,xmm6 ; xmm0=(00 10 20 30 40 50 60 70)=data0 - punpckhqdq xmm1,xmm6 ; xmm1=(01 11 21 31 41 51 61 71)=data1 - movdqa xmm5,xmm2 ; transpose coefficients(phase 3) - punpcklqdq xmm2,xmm3 ; xmm2=(06 16 26 36 46 56 66 76)=data6 - punpckhqdq xmm5,xmm3 ; xmm5=(07 17 27 37 47 57 67 77)=data7 - - movdqa xmm6,xmm1 - movdqa xmm3,xmm0 - psubw xmm1,xmm2 ; xmm1=data1-data6=tmp6 - psubw xmm0,xmm5 ; xmm0=data0-data7=tmp7 - paddw xmm6,xmm2 ; xmm6=data1+data6=tmp1 - paddw xmm3,xmm5 ; xmm3=data0+data7=tmp0 - - movdqa xmm2, XMMWORD [wk(0)] ; xmm2=(42 52 62 72 43 53 63 73) - movdqa xmm5, XMMWORD [wk(1)] ; xmm5=(44 54 64 74 45 55 65 75) - movdqa XMMWORD [wk(0)], xmm1 ; wk(0)=tmp6 - movdqa XMMWORD [wk(1)], xmm0 ; wk(1)=tmp7 - - movdqa xmm1,xmm7 ; transpose coefficients(phase 3) - punpcklqdq xmm7,xmm2 ; xmm7=(02 12 22 32 42 52 62 72)=data2 - punpckhqdq xmm1,xmm2 ; xmm1=(03 13 23 33 43 53 63 73)=data3 - movdqa xmm0,xmm4 ; transpose coefficients(phase 3) - punpcklqdq xmm4,xmm5 ; xmm4=(04 14 24 34 44 54 64 74)=data4 - punpckhqdq xmm0,xmm5 ; xmm0=(05 15 25 35 45 55 65 75)=data5 - - movdqa xmm2,xmm1 - movdqa xmm5,xmm7 - paddw xmm1,xmm4 ; xmm1=data3+data4=tmp3 - paddw xmm7,xmm0 ; xmm7=data2+data5=tmp2 - psubw xmm2,xmm4 ; xmm2=data3-data4=tmp4 - psubw xmm5,xmm0 ; xmm5=data2-data5=tmp5 - - ; -- Even part - - movdqa xmm4,xmm3 - movdqa xmm0,xmm6 - psubw xmm3,xmm1 ; xmm3=tmp13 - psubw xmm6,xmm7 ; xmm6=tmp12 - paddw xmm4,xmm1 ; xmm4=tmp10 - paddw xmm0,xmm7 ; xmm0=tmp11 - - paddw xmm6,xmm3 - psllw xmm6,PRE_MULTIPLY_SCALE_BITS - pmulhw xmm6,[rel PW_F0707] ; xmm6=z1 - - movdqa xmm1,xmm4 - movdqa xmm7,xmm3 - psubw xmm4,xmm0 ; xmm4=data4 - psubw xmm3,xmm6 ; xmm3=data6 - paddw xmm1,xmm0 ; xmm1=data0 - paddw xmm7,xmm6 ; xmm7=data2 - - movdqa xmm0, XMMWORD [wk(0)] ; xmm0=tmp6 - movdqa xmm6, XMMWORD [wk(1)] ; xmm6=tmp7 - movdqa XMMWORD [wk(0)], xmm4 ; wk(0)=data4 - movdqa XMMWORD [wk(1)], xmm3 ; wk(1)=data6 - - ; -- Odd part - - paddw xmm2,xmm5 ; xmm2=tmp10 - paddw xmm5,xmm0 ; xmm5=tmp11 - paddw xmm0,xmm6 ; xmm0=tmp12, xmm6=tmp7 - - psllw xmm2,PRE_MULTIPLY_SCALE_BITS - psllw xmm0,PRE_MULTIPLY_SCALE_BITS - - psllw xmm5,PRE_MULTIPLY_SCALE_BITS - pmulhw xmm5,[rel PW_F0707] ; xmm5=z3 - - movdqa xmm4,xmm2 ; xmm4=tmp10 - psubw xmm2,xmm0 - pmulhw xmm2,[rel PW_F0382] ; xmm2=z5 - pmulhw xmm4,[rel PW_F0541] ; xmm4=MULTIPLY(tmp10,FIX_0_541196) - pmulhw xmm0,[rel PW_F1306] ; xmm0=MULTIPLY(tmp12,FIX_1_306562) - paddw xmm4,xmm2 ; xmm4=z2 - paddw xmm0,xmm2 ; xmm0=z4 - - movdqa xmm3,xmm6 - psubw xmm6,xmm5 ; xmm6=z13 - paddw xmm3,xmm5 ; xmm3=z11 - - movdqa xmm2,xmm6 - movdqa xmm5,xmm3 - psubw xmm6,xmm4 ; xmm6=data3 - psubw xmm3,xmm0 ; xmm3=data7 - paddw xmm2,xmm4 ; xmm2=data5 - paddw xmm5,xmm0 ; xmm5=data1 - - ; ---- Pass 2: process columns. - - ; xmm1=(00 10 20 30 40 50 60 70), xmm7=(02 12 22 32 42 52 62 72) - ; xmm5=(01 11 21 31 41 51 61 71), xmm6=(03 13 23 33 43 53 63 73) - - movdqa xmm4,xmm1 ; transpose coefficients(phase 1) - punpcklwd xmm1,xmm5 ; xmm1=(00 01 10 11 20 21 30 31) - punpckhwd xmm4,xmm5 ; xmm4=(40 41 50 51 60 61 70 71) - movdqa xmm0,xmm7 ; transpose coefficients(phase 1) - punpcklwd xmm7,xmm6 ; xmm7=(02 03 12 13 22 23 32 33) - punpckhwd xmm0,xmm6 ; xmm0=(42 43 52 53 62 63 72 73) - - movdqa xmm5, XMMWORD [wk(0)] ; xmm5=col4 - movdqa xmm6, XMMWORD [wk(1)] ; xmm6=col6 - - ; xmm5=(04 14 24 34 44 54 64 74), xmm6=(06 16 26 36 46 56 66 76) - ; xmm2=(05 15 25 35 45 55 65 75), xmm3=(07 17 27 37 47 57 67 77) - - movdqa XMMWORD [wk(0)], xmm7 ; wk(0)=(02 03 12 13 22 23 32 33) - movdqa XMMWORD [wk(1)], xmm0 ; wk(1)=(42 43 52 53 62 63 72 73) - - movdqa xmm7,xmm5 ; transpose coefficients(phase 1) - punpcklwd xmm5,xmm2 ; xmm5=(04 05 14 15 24 25 34 35) - punpckhwd xmm7,xmm2 ; xmm7=(44 45 54 55 64 65 74 75) - movdqa xmm0,xmm6 ; transpose coefficients(phase 1) - punpcklwd xmm6,xmm3 ; xmm6=(06 07 16 17 26 27 36 37) - punpckhwd xmm0,xmm3 ; xmm0=(46 47 56 57 66 67 76 77) - - movdqa xmm2,xmm5 ; transpose coefficients(phase 2) - punpckldq xmm5,xmm6 ; xmm5=(04 05 06 07 14 15 16 17) - punpckhdq xmm2,xmm6 ; xmm2=(24 25 26 27 34 35 36 37) - movdqa xmm3,xmm7 ; transpose coefficients(phase 2) - punpckldq xmm7,xmm0 ; xmm7=(44 45 46 47 54 55 56 57) - punpckhdq xmm3,xmm0 ; xmm3=(64 65 66 67 74 75 76 77) - - movdqa xmm6, XMMWORD [wk(0)] ; xmm6=(02 03 12 13 22 23 32 33) - movdqa xmm0, XMMWORD [wk(1)] ; xmm0=(42 43 52 53 62 63 72 73) - movdqa XMMWORD [wk(0)], xmm2 ; wk(0)=(24 25 26 27 34 35 36 37) - movdqa XMMWORD [wk(1)], xmm7 ; wk(1)=(44 45 46 47 54 55 56 57) - - movdqa xmm2,xmm1 ; transpose coefficients(phase 2) - punpckldq xmm1,xmm6 ; xmm1=(00 01 02 03 10 11 12 13) - punpckhdq xmm2,xmm6 ; xmm2=(20 21 22 23 30 31 32 33) - movdqa xmm7,xmm4 ; transpose coefficients(phase 2) - punpckldq xmm4,xmm0 ; xmm4=(40 41 42 43 50 51 52 53) - punpckhdq xmm7,xmm0 ; xmm7=(60 61 62 63 70 71 72 73) - - movdqa xmm6,xmm1 ; transpose coefficients(phase 3) - punpcklqdq xmm1,xmm5 ; xmm1=(00 01 02 03 04 05 06 07)=data0 - punpckhqdq xmm6,xmm5 ; xmm6=(10 11 12 13 14 15 16 17)=data1 - movdqa xmm0,xmm7 ; transpose coefficients(phase 3) - punpcklqdq xmm7,xmm3 ; xmm7=(60 61 62 63 64 65 66 67)=data6 - punpckhqdq xmm0,xmm3 ; xmm0=(70 71 72 73 74 75 76 77)=data7 - - movdqa xmm5,xmm6 - movdqa xmm3,xmm1 - psubw xmm6,xmm7 ; xmm6=data1-data6=tmp6 - psubw xmm1,xmm0 ; xmm1=data0-data7=tmp7 - paddw xmm5,xmm7 ; xmm5=data1+data6=tmp1 - paddw xmm3,xmm0 ; xmm3=data0+data7=tmp0 - - movdqa xmm7, XMMWORD [wk(0)] ; xmm7=(24 25 26 27 34 35 36 37) - movdqa xmm0, XMMWORD [wk(1)] ; xmm0=(44 45 46 47 54 55 56 57) - movdqa XMMWORD [wk(0)], xmm6 ; wk(0)=tmp6 - movdqa XMMWORD [wk(1)], xmm1 ; wk(1)=tmp7 - - movdqa xmm6,xmm2 ; transpose coefficients(phase 3) - punpcklqdq xmm2,xmm7 ; xmm2=(20 21 22 23 24 25 26 27)=data2 - punpckhqdq xmm6,xmm7 ; xmm6=(30 31 32 33 34 35 36 37)=data3 - movdqa xmm1,xmm4 ; transpose coefficients(phase 3) - punpcklqdq xmm4,xmm0 ; xmm4=(40 41 42 43 44 45 46 47)=data4 - punpckhqdq xmm1,xmm0 ; xmm1=(50 51 52 53 54 55 56 57)=data5 - - movdqa xmm7,xmm6 - movdqa xmm0,xmm2 - paddw xmm6,xmm4 ; xmm6=data3+data4=tmp3 - paddw xmm2,xmm1 ; xmm2=data2+data5=tmp2 - psubw xmm7,xmm4 ; xmm7=data3-data4=tmp4 - psubw xmm0,xmm1 ; xmm0=data2-data5=tmp5 - - ; -- Even part - - movdqa xmm4,xmm3 - movdqa xmm1,xmm5 - psubw xmm3,xmm6 ; xmm3=tmp13 - psubw xmm5,xmm2 ; xmm5=tmp12 - paddw xmm4,xmm6 ; xmm4=tmp10 - paddw xmm1,xmm2 ; xmm1=tmp11 - - paddw xmm5,xmm3 - psllw xmm5,PRE_MULTIPLY_SCALE_BITS - pmulhw xmm5,[rel PW_F0707] ; xmm5=z1 - - movdqa xmm6,xmm4 - movdqa xmm2,xmm3 - psubw xmm4,xmm1 ; xmm4=data4 - psubw xmm3,xmm5 ; xmm3=data6 - paddw xmm6,xmm1 ; xmm6=data0 - paddw xmm2,xmm5 ; xmm2=data2 - - movdqa XMMWORD [XMMBLOCK(4,0,rdx,SIZEOF_DCTELEM)], xmm4 - movdqa XMMWORD [XMMBLOCK(6,0,rdx,SIZEOF_DCTELEM)], xmm3 - movdqa XMMWORD [XMMBLOCK(0,0,rdx,SIZEOF_DCTELEM)], xmm6 - movdqa XMMWORD [XMMBLOCK(2,0,rdx,SIZEOF_DCTELEM)], xmm2 - - ; -- Odd part - - movdqa xmm1, XMMWORD [wk(0)] ; xmm1=tmp6 - movdqa xmm5, XMMWORD [wk(1)] ; xmm5=tmp7 - - paddw xmm7,xmm0 ; xmm7=tmp10 - paddw xmm0,xmm1 ; xmm0=tmp11 - paddw xmm1,xmm5 ; xmm1=tmp12, xmm5=tmp7 - - psllw xmm7,PRE_MULTIPLY_SCALE_BITS - psllw xmm1,PRE_MULTIPLY_SCALE_BITS - - psllw xmm0,PRE_MULTIPLY_SCALE_BITS - pmulhw xmm0,[rel PW_F0707] ; xmm0=z3 - - movdqa xmm4,xmm7 ; xmm4=tmp10 - psubw xmm7,xmm1 - pmulhw xmm7,[rel PW_F0382] ; xmm7=z5 - pmulhw xmm4,[rel PW_F0541] ; xmm4=MULTIPLY(tmp10,FIX_0_541196) - pmulhw xmm1,[rel PW_F1306] ; xmm1=MULTIPLY(tmp12,FIX_1_306562) - paddw xmm4,xmm7 ; xmm4=z2 - paddw xmm1,xmm7 ; xmm1=z4 - - movdqa xmm3,xmm5 - psubw xmm5,xmm0 ; xmm5=z13 - paddw xmm3,xmm0 ; xmm3=z11 - - movdqa xmm6,xmm5 - movdqa xmm2,xmm3 - psubw xmm5,xmm4 ; xmm5=data3 - psubw xmm3,xmm1 ; xmm3=data7 - paddw xmm6,xmm4 ; xmm6=data5 - paddw xmm2,xmm1 ; xmm2=data1 - - movdqa XMMWORD [XMMBLOCK(3,0,rdx,SIZEOF_DCTELEM)], xmm5 - movdqa XMMWORD [XMMBLOCK(7,0,rdx,SIZEOF_DCTELEM)], xmm3 - movdqa XMMWORD [XMMBLOCK(5,0,rdx,SIZEOF_DCTELEM)], xmm6 - movdqa XMMWORD [XMMBLOCK(1,0,rdx,SIZEOF_DCTELEM)], xmm2 - - uncollect_args - mov rsp,rbp ; rsp <- aligned rbp - pop rsp ; rsp <- original rbp - pop rbp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jfss2fst.asm b/common/jpeg/simd/jfss2fst.asm deleted file mode 100644 index 73fc9e51..00000000 --- a/common/jpeg/simd/jfss2fst.asm +++ /dev/null @@ -1,404 +0,0 @@ -; -; jfss2fst.asm - fast integer FDCT (SSE2) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; This file contains a fast, not so accurate integer implementation of -; the forward DCT (Discrete Cosine Transform). The following code is -; based directly on the IJG's original jfdctfst.c; see the jfdctfst.c -; for more details. -; -; [TAB8] - -%include "jsimdext.inc" -%include "jdct.inc" - -; -------------------------------------------------------------------------- - -%define CONST_BITS 8 ; 14 is also OK. - -%if CONST_BITS == 8 -F_0_382 equ 98 ; FIX(0.382683433) -F_0_541 equ 139 ; FIX(0.541196100) -F_0_707 equ 181 ; FIX(0.707106781) -F_1_306 equ 334 ; FIX(1.306562965) -%else -; NASM cannot do compile-time arithmetic on floating-point constants. -%define DESCALE(x,n) (((x)+(1<<((n)-1)))>>(n)) -F_0_382 equ DESCALE( 410903207,30-CONST_BITS) ; FIX(0.382683433) -F_0_541 equ DESCALE( 581104887,30-CONST_BITS) ; FIX(0.541196100) -F_0_707 equ DESCALE( 759250124,30-CONST_BITS) ; FIX(0.707106781) -F_1_306 equ DESCALE(1402911301,30-CONST_BITS) ; FIX(1.306562965) -%endif - -; -------------------------------------------------------------------------- - SECTION SEG_CONST - -; PRE_MULTIPLY_SCALE_BITS <= 2 (to avoid overflow) -; CONST_BITS + CONST_SHIFT + PRE_MULTIPLY_SCALE_BITS == 16 (for pmulhw) - -%define PRE_MULTIPLY_SCALE_BITS 2 -%define CONST_SHIFT (16 - PRE_MULTIPLY_SCALE_BITS - CONST_BITS) - - alignz 16 - global EXTN(jconst_fdct_ifast_sse2) - -EXTN(jconst_fdct_ifast_sse2): - -PW_F0707 times 8 dw F_0_707 << CONST_SHIFT -PW_F0382 times 8 dw F_0_382 << CONST_SHIFT -PW_F0541 times 8 dw F_0_541 << CONST_SHIFT -PW_F1306 times 8 dw F_1_306 << CONST_SHIFT - - alignz 16 - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 32 -; -; Perform the forward DCT on one block of samples. -; -; GLOBAL(void) -; jsimd_fdct_ifast_sse2 (DCTELEM * data) -; - -%define data(b) (b)+8 ; DCTELEM * data - -%define original_ebp ebp+0 -%define wk(i) ebp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM] -%define WK_NUM 2 - - align 16 - global EXTN(jsimd_fdct_ifast_sse2) - -EXTN(jsimd_fdct_ifast_sse2): - push ebp - mov eax,esp ; eax = original ebp - sub esp, byte 4 - and esp, byte (-SIZEOF_XMMWORD) ; align to 128 bits - mov [esp],eax - mov ebp,esp ; ebp = aligned ebp - lea esp, [wk(0)] - pushpic ebx -; push ecx ; unused -; push edx ; need not be preserved -; push esi ; unused -; push edi ; unused - - get_GOT ebx ; get GOT address - - ; ---- Pass 1: process rows. - - mov edx, POINTER [data(eax)] ; (DCTELEM *) - - movdqa xmm0, XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_DCTELEM)] - movdqa xmm1, XMMWORD [XMMBLOCK(1,0,edx,SIZEOF_DCTELEM)] - movdqa xmm2, XMMWORD [XMMBLOCK(2,0,edx,SIZEOF_DCTELEM)] - movdqa xmm3, XMMWORD [XMMBLOCK(3,0,edx,SIZEOF_DCTELEM)] - - ; xmm0=(00 01 02 03 04 05 06 07), xmm2=(20 21 22 23 24 25 26 27) - ; xmm1=(10 11 12 13 14 15 16 17), xmm3=(30 31 32 33 34 35 36 37) - - movdqa xmm4,xmm0 ; transpose coefficients(phase 1) - punpcklwd xmm0,xmm1 ; xmm0=(00 10 01 11 02 12 03 13) - punpckhwd xmm4,xmm1 ; xmm4=(04 14 05 15 06 16 07 17) - movdqa xmm5,xmm2 ; transpose coefficients(phase 1) - punpcklwd xmm2,xmm3 ; xmm2=(20 30 21 31 22 32 23 33) - punpckhwd xmm5,xmm3 ; xmm5=(24 34 25 35 26 36 27 37) - - movdqa xmm6, XMMWORD [XMMBLOCK(4,0,edx,SIZEOF_DCTELEM)] - movdqa xmm7, XMMWORD [XMMBLOCK(5,0,edx,SIZEOF_DCTELEM)] - movdqa xmm1, XMMWORD [XMMBLOCK(6,0,edx,SIZEOF_DCTELEM)] - movdqa xmm3, XMMWORD [XMMBLOCK(7,0,edx,SIZEOF_DCTELEM)] - - ; xmm6=( 4 12 20 28 36 44 52 60), xmm1=( 6 14 22 30 38 46 54 62) - ; xmm7=( 5 13 21 29 37 45 53 61), xmm3=( 7 15 23 31 39 47 55 63) - - movdqa XMMWORD [wk(0)], xmm2 ; wk(0)=(20 30 21 31 22 32 23 33) - movdqa XMMWORD [wk(1)], xmm5 ; wk(1)=(24 34 25 35 26 36 27 37) - - movdqa xmm2,xmm6 ; transpose coefficients(phase 1) - punpcklwd xmm6,xmm7 ; xmm6=(40 50 41 51 42 52 43 53) - punpckhwd xmm2,xmm7 ; xmm2=(44 54 45 55 46 56 47 57) - movdqa xmm5,xmm1 ; transpose coefficients(phase 1) - punpcklwd xmm1,xmm3 ; xmm1=(60 70 61 71 62 72 63 73) - punpckhwd xmm5,xmm3 ; xmm5=(64 74 65 75 66 76 67 77) - - movdqa xmm7,xmm6 ; transpose coefficients(phase 2) - punpckldq xmm6,xmm1 ; xmm6=(40 50 60 70 41 51 61 71) - punpckhdq xmm7,xmm1 ; xmm7=(42 52 62 72 43 53 63 73) - movdqa xmm3,xmm2 ; transpose coefficients(phase 2) - punpckldq xmm2,xmm5 ; xmm2=(44 54 64 74 45 55 65 75) - punpckhdq xmm3,xmm5 ; xmm3=(46 56 66 76 47 57 67 77) - - movdqa xmm1, XMMWORD [wk(0)] ; xmm1=(20 30 21 31 22 32 23 33) - movdqa xmm5, XMMWORD [wk(1)] ; xmm5=(24 34 25 35 26 36 27 37) - movdqa XMMWORD [wk(0)], xmm7 ; wk(0)=(42 52 62 72 43 53 63 73) - movdqa XMMWORD [wk(1)], xmm2 ; wk(1)=(44 54 64 74 45 55 65 75) - - movdqa xmm7,xmm0 ; transpose coefficients(phase 2) - punpckldq xmm0,xmm1 ; xmm0=(00 10 20 30 01 11 21 31) - punpckhdq xmm7,xmm1 ; xmm7=(02 12 22 32 03 13 23 33) - movdqa xmm2,xmm4 ; transpose coefficients(phase 2) - punpckldq xmm4,xmm5 ; xmm4=(04 14 24 34 05 15 25 35) - punpckhdq xmm2,xmm5 ; xmm2=(06 16 26 36 07 17 27 37) - - movdqa xmm1,xmm0 ; transpose coefficients(phase 3) - punpcklqdq xmm0,xmm6 ; xmm0=(00 10 20 30 40 50 60 70)=data0 - punpckhqdq xmm1,xmm6 ; xmm1=(01 11 21 31 41 51 61 71)=data1 - movdqa xmm5,xmm2 ; transpose coefficients(phase 3) - punpcklqdq xmm2,xmm3 ; xmm2=(06 16 26 36 46 56 66 76)=data6 - punpckhqdq xmm5,xmm3 ; xmm5=(07 17 27 37 47 57 67 77)=data7 - - movdqa xmm6,xmm1 - movdqa xmm3,xmm0 - psubw xmm1,xmm2 ; xmm1=data1-data6=tmp6 - psubw xmm0,xmm5 ; xmm0=data0-data7=tmp7 - paddw xmm6,xmm2 ; xmm6=data1+data6=tmp1 - paddw xmm3,xmm5 ; xmm3=data0+data7=tmp0 - - movdqa xmm2, XMMWORD [wk(0)] ; xmm2=(42 52 62 72 43 53 63 73) - movdqa xmm5, XMMWORD [wk(1)] ; xmm5=(44 54 64 74 45 55 65 75) - movdqa XMMWORD [wk(0)], xmm1 ; wk(0)=tmp6 - movdqa XMMWORD [wk(1)], xmm0 ; wk(1)=tmp7 - - movdqa xmm1,xmm7 ; transpose coefficients(phase 3) - punpcklqdq xmm7,xmm2 ; xmm7=(02 12 22 32 42 52 62 72)=data2 - punpckhqdq xmm1,xmm2 ; xmm1=(03 13 23 33 43 53 63 73)=data3 - movdqa xmm0,xmm4 ; transpose coefficients(phase 3) - punpcklqdq xmm4,xmm5 ; xmm4=(04 14 24 34 44 54 64 74)=data4 - punpckhqdq xmm0,xmm5 ; xmm0=(05 15 25 35 45 55 65 75)=data5 - - movdqa xmm2,xmm1 - movdqa xmm5,xmm7 - paddw xmm1,xmm4 ; xmm1=data3+data4=tmp3 - paddw xmm7,xmm0 ; xmm7=data2+data5=tmp2 - psubw xmm2,xmm4 ; xmm2=data3-data4=tmp4 - psubw xmm5,xmm0 ; xmm5=data2-data5=tmp5 - - ; -- Even part - - movdqa xmm4,xmm3 - movdqa xmm0,xmm6 - psubw xmm3,xmm1 ; xmm3=tmp13 - psubw xmm6,xmm7 ; xmm6=tmp12 - paddw xmm4,xmm1 ; xmm4=tmp10 - paddw xmm0,xmm7 ; xmm0=tmp11 - - paddw xmm6,xmm3 - psllw xmm6,PRE_MULTIPLY_SCALE_BITS - pmulhw xmm6,[GOTOFF(ebx,PW_F0707)] ; xmm6=z1 - - movdqa xmm1,xmm4 - movdqa xmm7,xmm3 - psubw xmm4,xmm0 ; xmm4=data4 - psubw xmm3,xmm6 ; xmm3=data6 - paddw xmm1,xmm0 ; xmm1=data0 - paddw xmm7,xmm6 ; xmm7=data2 - - movdqa xmm0, XMMWORD [wk(0)] ; xmm0=tmp6 - movdqa xmm6, XMMWORD [wk(1)] ; xmm6=tmp7 - movdqa XMMWORD [wk(0)], xmm4 ; wk(0)=data4 - movdqa XMMWORD [wk(1)], xmm3 ; wk(1)=data6 - - ; -- Odd part - - paddw xmm2,xmm5 ; xmm2=tmp10 - paddw xmm5,xmm0 ; xmm5=tmp11 - paddw xmm0,xmm6 ; xmm0=tmp12, xmm6=tmp7 - - psllw xmm2,PRE_MULTIPLY_SCALE_BITS - psllw xmm0,PRE_MULTIPLY_SCALE_BITS - - psllw xmm5,PRE_MULTIPLY_SCALE_BITS - pmulhw xmm5,[GOTOFF(ebx,PW_F0707)] ; xmm5=z3 - - movdqa xmm4,xmm2 ; xmm4=tmp10 - psubw xmm2,xmm0 - pmulhw xmm2,[GOTOFF(ebx,PW_F0382)] ; xmm2=z5 - pmulhw xmm4,[GOTOFF(ebx,PW_F0541)] ; xmm4=MULTIPLY(tmp10,FIX_0_541196) - pmulhw xmm0,[GOTOFF(ebx,PW_F1306)] ; xmm0=MULTIPLY(tmp12,FIX_1_306562) - paddw xmm4,xmm2 ; xmm4=z2 - paddw xmm0,xmm2 ; xmm0=z4 - - movdqa xmm3,xmm6 - psubw xmm6,xmm5 ; xmm6=z13 - paddw xmm3,xmm5 ; xmm3=z11 - - movdqa xmm2,xmm6 - movdqa xmm5,xmm3 - psubw xmm6,xmm4 ; xmm6=data3 - psubw xmm3,xmm0 ; xmm3=data7 - paddw xmm2,xmm4 ; xmm2=data5 - paddw xmm5,xmm0 ; xmm5=data1 - - ; ---- Pass 2: process columns. - -; mov edx, POINTER [data(eax)] ; (DCTELEM *) - - ; xmm1=(00 10 20 30 40 50 60 70), xmm7=(02 12 22 32 42 52 62 72) - ; xmm5=(01 11 21 31 41 51 61 71), xmm6=(03 13 23 33 43 53 63 73) - - movdqa xmm4,xmm1 ; transpose coefficients(phase 1) - punpcklwd xmm1,xmm5 ; xmm1=(00 01 10 11 20 21 30 31) - punpckhwd xmm4,xmm5 ; xmm4=(40 41 50 51 60 61 70 71) - movdqa xmm0,xmm7 ; transpose coefficients(phase 1) - punpcklwd xmm7,xmm6 ; xmm7=(02 03 12 13 22 23 32 33) - punpckhwd xmm0,xmm6 ; xmm0=(42 43 52 53 62 63 72 73) - - movdqa xmm5, XMMWORD [wk(0)] ; xmm5=col4 - movdqa xmm6, XMMWORD [wk(1)] ; xmm6=col6 - - ; xmm5=(04 14 24 34 44 54 64 74), xmm6=(06 16 26 36 46 56 66 76) - ; xmm2=(05 15 25 35 45 55 65 75), xmm3=(07 17 27 37 47 57 67 77) - - movdqa XMMWORD [wk(0)], xmm7 ; wk(0)=(02 03 12 13 22 23 32 33) - movdqa XMMWORD [wk(1)], xmm0 ; wk(1)=(42 43 52 53 62 63 72 73) - - movdqa xmm7,xmm5 ; transpose coefficients(phase 1) - punpcklwd xmm5,xmm2 ; xmm5=(04 05 14 15 24 25 34 35) - punpckhwd xmm7,xmm2 ; xmm7=(44 45 54 55 64 65 74 75) - movdqa xmm0,xmm6 ; transpose coefficients(phase 1) - punpcklwd xmm6,xmm3 ; xmm6=(06 07 16 17 26 27 36 37) - punpckhwd xmm0,xmm3 ; xmm0=(46 47 56 57 66 67 76 77) - - movdqa xmm2,xmm5 ; transpose coefficients(phase 2) - punpckldq xmm5,xmm6 ; xmm5=(04 05 06 07 14 15 16 17) - punpckhdq xmm2,xmm6 ; xmm2=(24 25 26 27 34 35 36 37) - movdqa xmm3,xmm7 ; transpose coefficients(phase 2) - punpckldq xmm7,xmm0 ; xmm7=(44 45 46 47 54 55 56 57) - punpckhdq xmm3,xmm0 ; xmm3=(64 65 66 67 74 75 76 77) - - movdqa xmm6, XMMWORD [wk(0)] ; xmm6=(02 03 12 13 22 23 32 33) - movdqa xmm0, XMMWORD [wk(1)] ; xmm0=(42 43 52 53 62 63 72 73) - movdqa XMMWORD [wk(0)], xmm2 ; wk(0)=(24 25 26 27 34 35 36 37) - movdqa XMMWORD [wk(1)], xmm7 ; wk(1)=(44 45 46 47 54 55 56 57) - - movdqa xmm2,xmm1 ; transpose coefficients(phase 2) - punpckldq xmm1,xmm6 ; xmm1=(00 01 02 03 10 11 12 13) - punpckhdq xmm2,xmm6 ; xmm2=(20 21 22 23 30 31 32 33) - movdqa xmm7,xmm4 ; transpose coefficients(phase 2) - punpckldq xmm4,xmm0 ; xmm4=(40 41 42 43 50 51 52 53) - punpckhdq xmm7,xmm0 ; xmm7=(60 61 62 63 70 71 72 73) - - movdqa xmm6,xmm1 ; transpose coefficients(phase 3) - punpcklqdq xmm1,xmm5 ; xmm1=(00 01 02 03 04 05 06 07)=data0 - punpckhqdq xmm6,xmm5 ; xmm6=(10 11 12 13 14 15 16 17)=data1 - movdqa xmm0,xmm7 ; transpose coefficients(phase 3) - punpcklqdq xmm7,xmm3 ; xmm7=(60 61 62 63 64 65 66 67)=data6 - punpckhqdq xmm0,xmm3 ; xmm0=(70 71 72 73 74 75 76 77)=data7 - - movdqa xmm5,xmm6 - movdqa xmm3,xmm1 - psubw xmm6,xmm7 ; xmm6=data1-data6=tmp6 - psubw xmm1,xmm0 ; xmm1=data0-data7=tmp7 - paddw xmm5,xmm7 ; xmm5=data1+data6=tmp1 - paddw xmm3,xmm0 ; xmm3=data0+data7=tmp0 - - movdqa xmm7, XMMWORD [wk(0)] ; xmm7=(24 25 26 27 34 35 36 37) - movdqa xmm0, XMMWORD [wk(1)] ; xmm0=(44 45 46 47 54 55 56 57) - movdqa XMMWORD [wk(0)], xmm6 ; wk(0)=tmp6 - movdqa XMMWORD [wk(1)], xmm1 ; wk(1)=tmp7 - - movdqa xmm6,xmm2 ; transpose coefficients(phase 3) - punpcklqdq xmm2,xmm7 ; xmm2=(20 21 22 23 24 25 26 27)=data2 - punpckhqdq xmm6,xmm7 ; xmm6=(30 31 32 33 34 35 36 37)=data3 - movdqa xmm1,xmm4 ; transpose coefficients(phase 3) - punpcklqdq xmm4,xmm0 ; xmm4=(40 41 42 43 44 45 46 47)=data4 - punpckhqdq xmm1,xmm0 ; xmm1=(50 51 52 53 54 55 56 57)=data5 - - movdqa xmm7,xmm6 - movdqa xmm0,xmm2 - paddw xmm6,xmm4 ; xmm6=data3+data4=tmp3 - paddw xmm2,xmm1 ; xmm2=data2+data5=tmp2 - psubw xmm7,xmm4 ; xmm7=data3-data4=tmp4 - psubw xmm0,xmm1 ; xmm0=data2-data5=tmp5 - - ; -- Even part - - movdqa xmm4,xmm3 - movdqa xmm1,xmm5 - psubw xmm3,xmm6 ; xmm3=tmp13 - psubw xmm5,xmm2 ; xmm5=tmp12 - paddw xmm4,xmm6 ; xmm4=tmp10 - paddw xmm1,xmm2 ; xmm1=tmp11 - - paddw xmm5,xmm3 - psllw xmm5,PRE_MULTIPLY_SCALE_BITS - pmulhw xmm5,[GOTOFF(ebx,PW_F0707)] ; xmm5=z1 - - movdqa xmm6,xmm4 - movdqa xmm2,xmm3 - psubw xmm4,xmm1 ; xmm4=data4 - psubw xmm3,xmm5 ; xmm3=data6 - paddw xmm6,xmm1 ; xmm6=data0 - paddw xmm2,xmm5 ; xmm2=data2 - - movdqa XMMWORD [XMMBLOCK(4,0,edx,SIZEOF_DCTELEM)], xmm4 - movdqa XMMWORD [XMMBLOCK(6,0,edx,SIZEOF_DCTELEM)], xmm3 - movdqa XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_DCTELEM)], xmm6 - movdqa XMMWORD [XMMBLOCK(2,0,edx,SIZEOF_DCTELEM)], xmm2 - - ; -- Odd part - - movdqa xmm1, XMMWORD [wk(0)] ; xmm1=tmp6 - movdqa xmm5, XMMWORD [wk(1)] ; xmm5=tmp7 - - paddw xmm7,xmm0 ; xmm7=tmp10 - paddw xmm0,xmm1 ; xmm0=tmp11 - paddw xmm1,xmm5 ; xmm1=tmp12, xmm5=tmp7 - - psllw xmm7,PRE_MULTIPLY_SCALE_BITS - psllw xmm1,PRE_MULTIPLY_SCALE_BITS - - psllw xmm0,PRE_MULTIPLY_SCALE_BITS - pmulhw xmm0,[GOTOFF(ebx,PW_F0707)] ; xmm0=z3 - - movdqa xmm4,xmm7 ; xmm4=tmp10 - psubw xmm7,xmm1 - pmulhw xmm7,[GOTOFF(ebx,PW_F0382)] ; xmm7=z5 - pmulhw xmm4,[GOTOFF(ebx,PW_F0541)] ; xmm4=MULTIPLY(tmp10,FIX_0_541196) - pmulhw xmm1,[GOTOFF(ebx,PW_F1306)] ; xmm1=MULTIPLY(tmp12,FIX_1_306562) - paddw xmm4,xmm7 ; xmm4=z2 - paddw xmm1,xmm7 ; xmm1=z4 - - movdqa xmm3,xmm5 - psubw xmm5,xmm0 ; xmm5=z13 - paddw xmm3,xmm0 ; xmm3=z11 - - movdqa xmm6,xmm5 - movdqa xmm2,xmm3 - psubw xmm5,xmm4 ; xmm5=data3 - psubw xmm3,xmm1 ; xmm3=data7 - paddw xmm6,xmm4 ; xmm6=data5 - paddw xmm2,xmm1 ; xmm2=data1 - - movdqa XMMWORD [XMMBLOCK(3,0,edx,SIZEOF_DCTELEM)], xmm5 - movdqa XMMWORD [XMMBLOCK(7,0,edx,SIZEOF_DCTELEM)], xmm3 - movdqa XMMWORD [XMMBLOCK(5,0,edx,SIZEOF_DCTELEM)], xmm6 - movdqa XMMWORD [XMMBLOCK(1,0,edx,SIZEOF_DCTELEM)], xmm2 - -; pop edi ; unused -; pop esi ; unused -; pop edx ; need not be preserved -; pop ecx ; unused - poppic ebx - mov esp,ebp ; esp <- aligned ebp - pop esp ; esp <- original ebp - pop ebp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jfss2int-64.asm b/common/jpeg/simd/jfss2int-64.asm deleted file mode 100644 index bd1bd45a..00000000 --- a/common/jpeg/simd/jfss2int-64.asm +++ /dev/null @@ -1,622 +0,0 @@ -; -; jfss2int-64.asm - accurate integer FDCT (64-bit SSE2) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; Copyright 2009 D. R. Commander -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; This file contains a slow-but-accurate integer implementation of the -; forward DCT (Discrete Cosine Transform). The following code is based -; directly on the IJG's original jfdctint.c; see the jfdctint.c for -; more details. -; -; [TAB8] - -%include "jsimdext.inc" -%include "jdct.inc" - -; -------------------------------------------------------------------------- - -%define CONST_BITS 13 -%define PASS1_BITS 2 - -%define DESCALE_P1 (CONST_BITS-PASS1_BITS) -%define DESCALE_P2 (CONST_BITS+PASS1_BITS) - -%if CONST_BITS == 13 -F_0_298 equ 2446 ; FIX(0.298631336) -F_0_390 equ 3196 ; FIX(0.390180644) -F_0_541 equ 4433 ; FIX(0.541196100) -F_0_765 equ 6270 ; FIX(0.765366865) -F_0_899 equ 7373 ; FIX(0.899976223) -F_1_175 equ 9633 ; FIX(1.175875602) -F_1_501 equ 12299 ; FIX(1.501321110) -F_1_847 equ 15137 ; FIX(1.847759065) -F_1_961 equ 16069 ; FIX(1.961570560) -F_2_053 equ 16819 ; FIX(2.053119869) -F_2_562 equ 20995 ; FIX(2.562915447) -F_3_072 equ 25172 ; FIX(3.072711026) -%else -; NASM cannot do compile-time arithmetic on floating-point constants. -%define DESCALE(x,n) (((x)+(1<<((n)-1)))>>(n)) -F_0_298 equ DESCALE( 320652955,30-CONST_BITS) ; FIX(0.298631336) -F_0_390 equ DESCALE( 418953276,30-CONST_BITS) ; FIX(0.390180644) -F_0_541 equ DESCALE( 581104887,30-CONST_BITS) ; FIX(0.541196100) -F_0_765 equ DESCALE( 821806413,30-CONST_BITS) ; FIX(0.765366865) -F_0_899 equ DESCALE( 966342111,30-CONST_BITS) ; FIX(0.899976223) -F_1_175 equ DESCALE(1262586813,30-CONST_BITS) ; FIX(1.175875602) -F_1_501 equ DESCALE(1612031267,30-CONST_BITS) ; FIX(1.501321110) -F_1_847 equ DESCALE(1984016188,30-CONST_BITS) ; FIX(1.847759065) -F_1_961 equ DESCALE(2106220350,30-CONST_BITS) ; FIX(1.961570560) -F_2_053 equ DESCALE(2204520673,30-CONST_BITS) ; FIX(2.053119869) -F_2_562 equ DESCALE(2751909506,30-CONST_BITS) ; FIX(2.562915447) -F_3_072 equ DESCALE(3299298341,30-CONST_BITS) ; FIX(3.072711026) -%endif - -; -------------------------------------------------------------------------- - SECTION SEG_CONST - - alignz 16 - global EXTN(jconst_fdct_islow_sse2) - -EXTN(jconst_fdct_islow_sse2): - -PW_F130_F054 times 4 dw (F_0_541+F_0_765), F_0_541 -PW_F054_MF130 times 4 dw F_0_541, (F_0_541-F_1_847) -PW_MF078_F117 times 4 dw (F_1_175-F_1_961), F_1_175 -PW_F117_F078 times 4 dw F_1_175, (F_1_175-F_0_390) -PW_MF060_MF089 times 4 dw (F_0_298-F_0_899),-F_0_899 -PW_MF089_F060 times 4 dw -F_0_899, (F_1_501-F_0_899) -PW_MF050_MF256 times 4 dw (F_2_053-F_2_562),-F_2_562 -PW_MF256_F050 times 4 dw -F_2_562, (F_3_072-F_2_562) -PD_DESCALE_P1 times 4 dd 1 << (DESCALE_P1-1) -PD_DESCALE_P2 times 4 dd 1 << (DESCALE_P2-1) -PW_DESCALE_P2X times 8 dw 1 << (PASS1_BITS-1) - - alignz 16 - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 64 -; -; Perform the forward DCT on one block of samples. -; -; GLOBAL(void) -; jsimd_fdct_islow_sse2 (DCTELEM * data) -; - -; r10 = DCTELEM * data - -%define wk(i) rbp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM] -%define WK_NUM 6 - - align 16 - global EXTN(jsimd_fdct_islow_sse2) - -EXTN(jsimd_fdct_islow_sse2): - push rbp - mov rax,rsp ; rax = original rbp - sub rsp, byte 4 - and rsp, byte (-SIZEOF_XMMWORD) ; align to 128 bits - mov [rsp],rax - mov rbp,rsp ; rbp = aligned rbp - lea rsp, [wk(0)] - collect_args - - ; ---- Pass 1: process rows. - - mov rdx, r10 ; (DCTELEM *) - - movdqa xmm0, XMMWORD [XMMBLOCK(0,0,rdx,SIZEOF_DCTELEM)] - movdqa xmm1, XMMWORD [XMMBLOCK(1,0,rdx,SIZEOF_DCTELEM)] - movdqa xmm2, XMMWORD [XMMBLOCK(2,0,rdx,SIZEOF_DCTELEM)] - movdqa xmm3, XMMWORD [XMMBLOCK(3,0,rdx,SIZEOF_DCTELEM)] - - ; xmm0=(00 01 02 03 04 05 06 07), xmm2=(20 21 22 23 24 25 26 27) - ; xmm1=(10 11 12 13 14 15 16 17), xmm3=(30 31 32 33 34 35 36 37) - - movdqa xmm4,xmm0 ; transpose coefficients(phase 1) - punpcklwd xmm0,xmm1 ; xmm0=(00 10 01 11 02 12 03 13) - punpckhwd xmm4,xmm1 ; xmm4=(04 14 05 15 06 16 07 17) - movdqa xmm5,xmm2 ; transpose coefficients(phase 1) - punpcklwd xmm2,xmm3 ; xmm2=(20 30 21 31 22 32 23 33) - punpckhwd xmm5,xmm3 ; xmm5=(24 34 25 35 26 36 27 37) - - movdqa xmm6, XMMWORD [XMMBLOCK(4,0,rdx,SIZEOF_DCTELEM)] - movdqa xmm7, XMMWORD [XMMBLOCK(5,0,rdx,SIZEOF_DCTELEM)] - movdqa xmm1, XMMWORD [XMMBLOCK(6,0,rdx,SIZEOF_DCTELEM)] - movdqa xmm3, XMMWORD [XMMBLOCK(7,0,rdx,SIZEOF_DCTELEM)] - - ; xmm6=( 4 12 20 28 36 44 52 60), xmm1=( 6 14 22 30 38 46 54 62) - ; xmm7=( 5 13 21 29 37 45 53 61), xmm3=( 7 15 23 31 39 47 55 63) - - movdqa XMMWORD [wk(0)], xmm2 ; wk(0)=(20 30 21 31 22 32 23 33) - movdqa XMMWORD [wk(1)], xmm5 ; wk(1)=(24 34 25 35 26 36 27 37) - - movdqa xmm2,xmm6 ; transpose coefficients(phase 1) - punpcklwd xmm6,xmm7 ; xmm6=(40 50 41 51 42 52 43 53) - punpckhwd xmm2,xmm7 ; xmm2=(44 54 45 55 46 56 47 57) - movdqa xmm5,xmm1 ; transpose coefficients(phase 1) - punpcklwd xmm1,xmm3 ; xmm1=(60 70 61 71 62 72 63 73) - punpckhwd xmm5,xmm3 ; xmm5=(64 74 65 75 66 76 67 77) - - movdqa xmm7,xmm6 ; transpose coefficients(phase 2) - punpckldq xmm6,xmm1 ; xmm6=(40 50 60 70 41 51 61 71) - punpckhdq xmm7,xmm1 ; xmm7=(42 52 62 72 43 53 63 73) - movdqa xmm3,xmm2 ; transpose coefficients(phase 2) - punpckldq xmm2,xmm5 ; xmm2=(44 54 64 74 45 55 65 75) - punpckhdq xmm3,xmm5 ; xmm3=(46 56 66 76 47 57 67 77) - - movdqa xmm1, XMMWORD [wk(0)] ; xmm1=(20 30 21 31 22 32 23 33) - movdqa xmm5, XMMWORD [wk(1)] ; xmm5=(24 34 25 35 26 36 27 37) - movdqa XMMWORD [wk(2)], xmm7 ; wk(2)=(42 52 62 72 43 53 63 73) - movdqa XMMWORD [wk(3)], xmm2 ; wk(3)=(44 54 64 74 45 55 65 75) - - movdqa xmm7,xmm0 ; transpose coefficients(phase 2) - punpckldq xmm0,xmm1 ; xmm0=(00 10 20 30 01 11 21 31) - punpckhdq xmm7,xmm1 ; xmm7=(02 12 22 32 03 13 23 33) - movdqa xmm2,xmm4 ; transpose coefficients(phase 2) - punpckldq xmm4,xmm5 ; xmm4=(04 14 24 34 05 15 25 35) - punpckhdq xmm2,xmm5 ; xmm2=(06 16 26 36 07 17 27 37) - - movdqa xmm1,xmm0 ; transpose coefficients(phase 3) - punpcklqdq xmm0,xmm6 ; xmm0=(00 10 20 30 40 50 60 70)=data0 - punpckhqdq xmm1,xmm6 ; xmm1=(01 11 21 31 41 51 61 71)=data1 - movdqa xmm5,xmm2 ; transpose coefficients(phase 3) - punpcklqdq xmm2,xmm3 ; xmm2=(06 16 26 36 46 56 66 76)=data6 - punpckhqdq xmm5,xmm3 ; xmm5=(07 17 27 37 47 57 67 77)=data7 - - movdqa xmm6,xmm1 - movdqa xmm3,xmm0 - psubw xmm1,xmm2 ; xmm1=data1-data6=tmp6 - psubw xmm0,xmm5 ; xmm0=data0-data7=tmp7 - paddw xmm6,xmm2 ; xmm6=data1+data6=tmp1 - paddw xmm3,xmm5 ; xmm3=data0+data7=tmp0 - - movdqa xmm2, XMMWORD [wk(2)] ; xmm2=(42 52 62 72 43 53 63 73) - movdqa xmm5, XMMWORD [wk(3)] ; xmm5=(44 54 64 74 45 55 65 75) - movdqa XMMWORD [wk(0)], xmm1 ; wk(0)=tmp6 - movdqa XMMWORD [wk(1)], xmm0 ; wk(1)=tmp7 - - movdqa xmm1,xmm7 ; transpose coefficients(phase 3) - punpcklqdq xmm7,xmm2 ; xmm7=(02 12 22 32 42 52 62 72)=data2 - punpckhqdq xmm1,xmm2 ; xmm1=(03 13 23 33 43 53 63 73)=data3 - movdqa xmm0,xmm4 ; transpose coefficients(phase 3) - punpcklqdq xmm4,xmm5 ; xmm4=(04 14 24 34 44 54 64 74)=data4 - punpckhqdq xmm0,xmm5 ; xmm0=(05 15 25 35 45 55 65 75)=data5 - - movdqa xmm2,xmm1 - movdqa xmm5,xmm7 - paddw xmm1,xmm4 ; xmm1=data3+data4=tmp3 - paddw xmm7,xmm0 ; xmm7=data2+data5=tmp2 - psubw xmm2,xmm4 ; xmm2=data3-data4=tmp4 - psubw xmm5,xmm0 ; xmm5=data2-data5=tmp5 - - ; -- Even part - - movdqa xmm4,xmm3 - movdqa xmm0,xmm6 - paddw xmm3,xmm1 ; xmm3=tmp10 - paddw xmm6,xmm7 ; xmm6=tmp11 - psubw xmm4,xmm1 ; xmm4=tmp13 - psubw xmm0,xmm7 ; xmm0=tmp12 - - movdqa xmm1,xmm3 - paddw xmm3,xmm6 ; xmm3=tmp10+tmp11 - psubw xmm1,xmm6 ; xmm1=tmp10-tmp11 - - psllw xmm3,PASS1_BITS ; xmm3=data0 - psllw xmm1,PASS1_BITS ; xmm1=data4 - - movdqa XMMWORD [wk(2)], xmm3 ; wk(2)=data0 - movdqa XMMWORD [wk(3)], xmm1 ; wk(3)=data4 - - ; (Original) - ; z1 = (tmp12 + tmp13) * 0.541196100; - ; data2 = z1 + tmp13 * 0.765366865; - ; data6 = z1 + tmp12 * -1.847759065; - ; - ; (This implementation) - ; data2 = tmp13 * (0.541196100 + 0.765366865) + tmp12 * 0.541196100; - ; data6 = tmp13 * 0.541196100 + tmp12 * (0.541196100 - 1.847759065); - - movdqa xmm7,xmm4 ; xmm4=tmp13 - movdqa xmm6,xmm4 - punpcklwd xmm7,xmm0 ; xmm0=tmp12 - punpckhwd xmm6,xmm0 - movdqa xmm4,xmm7 - movdqa xmm0,xmm6 - pmaddwd xmm7,[rel PW_F130_F054] ; xmm7=data2L - pmaddwd xmm6,[rel PW_F130_F054] ; xmm6=data2H - pmaddwd xmm4,[rel PW_F054_MF130] ; xmm4=data6L - pmaddwd xmm0,[rel PW_F054_MF130] ; xmm0=data6H - - paddd xmm7,[rel PD_DESCALE_P1] - paddd xmm6,[rel PD_DESCALE_P1] - psrad xmm7,DESCALE_P1 - psrad xmm6,DESCALE_P1 - paddd xmm4,[rel PD_DESCALE_P1] - paddd xmm0,[rel PD_DESCALE_P1] - psrad xmm4,DESCALE_P1 - psrad xmm0,DESCALE_P1 - - packssdw xmm7,xmm6 ; xmm7=data2 - packssdw xmm4,xmm0 ; xmm4=data6 - - movdqa XMMWORD [wk(4)], xmm7 ; wk(4)=data2 - movdqa XMMWORD [wk(5)], xmm4 ; wk(5)=data6 - - ; -- Odd part - - movdqa xmm3, XMMWORD [wk(0)] ; xmm3=tmp6 - movdqa xmm1, XMMWORD [wk(1)] ; xmm1=tmp7 - - movdqa xmm6,xmm2 ; xmm2=tmp4 - movdqa xmm0,xmm5 ; xmm5=tmp5 - paddw xmm6,xmm3 ; xmm6=z3 - paddw xmm0,xmm1 ; xmm0=z4 - - ; (Original) - ; z5 = (z3 + z4) * 1.175875602; - ; z3 = z3 * -1.961570560; z4 = z4 * -0.390180644; - ; z3 += z5; z4 += z5; - ; - ; (This implementation) - ; z3 = z3 * (1.175875602 - 1.961570560) + z4 * 1.175875602; - ; z4 = z3 * 1.175875602 + z4 * (1.175875602 - 0.390180644); - - movdqa xmm7,xmm6 - movdqa xmm4,xmm6 - punpcklwd xmm7,xmm0 - punpckhwd xmm4,xmm0 - movdqa xmm6,xmm7 - movdqa xmm0,xmm4 - pmaddwd xmm7,[rel PW_MF078_F117] ; xmm7=z3L - pmaddwd xmm4,[rel PW_MF078_F117] ; xmm4=z3H - pmaddwd xmm6,[rel PW_F117_F078] ; xmm6=z4L - pmaddwd xmm0,[rel PW_F117_F078] ; xmm0=z4H - - movdqa XMMWORD [wk(0)], xmm7 ; wk(0)=z3L - movdqa XMMWORD [wk(1)], xmm4 ; wk(1)=z3H - - ; (Original) - ; z1 = tmp4 + tmp7; z2 = tmp5 + tmp6; - ; tmp4 = tmp4 * 0.298631336; tmp5 = tmp5 * 2.053119869; - ; tmp6 = tmp6 * 3.072711026; tmp7 = tmp7 * 1.501321110; - ; z1 = z1 * -0.899976223; z2 = z2 * -2.562915447; - ; data7 = tmp4 + z1 + z3; data5 = tmp5 + z2 + z4; - ; data3 = tmp6 + z2 + z3; data1 = tmp7 + z1 + z4; - ; - ; (This implementation) - ; tmp4 = tmp4 * (0.298631336 - 0.899976223) + tmp7 * -0.899976223; - ; tmp5 = tmp5 * (2.053119869 - 2.562915447) + tmp6 * -2.562915447; - ; tmp6 = tmp5 * -2.562915447 + tmp6 * (3.072711026 - 2.562915447); - ; tmp7 = tmp4 * -0.899976223 + tmp7 * (1.501321110 - 0.899976223); - ; data7 = tmp4 + z3; data5 = tmp5 + z4; - ; data3 = tmp6 + z3; data1 = tmp7 + z4; - - movdqa xmm7,xmm2 - movdqa xmm4,xmm2 - punpcklwd xmm7,xmm1 - punpckhwd xmm4,xmm1 - movdqa xmm2,xmm7 - movdqa xmm1,xmm4 - pmaddwd xmm7,[rel PW_MF060_MF089] ; xmm7=tmp4L - pmaddwd xmm4,[rel PW_MF060_MF089] ; xmm4=tmp4H - pmaddwd xmm2,[rel PW_MF089_F060] ; xmm2=tmp7L - pmaddwd xmm1,[rel PW_MF089_F060] ; xmm1=tmp7H - - paddd xmm7, XMMWORD [wk(0)] ; xmm7=data7L - paddd xmm4, XMMWORD [wk(1)] ; xmm4=data7H - paddd xmm2,xmm6 ; xmm2=data1L - paddd xmm1,xmm0 ; xmm1=data1H - - paddd xmm7,[rel PD_DESCALE_P1] - paddd xmm4,[rel PD_DESCALE_P1] - psrad xmm7,DESCALE_P1 - psrad xmm4,DESCALE_P1 - paddd xmm2,[rel PD_DESCALE_P1] - paddd xmm1,[rel PD_DESCALE_P1] - psrad xmm2,DESCALE_P1 - psrad xmm1,DESCALE_P1 - - packssdw xmm7,xmm4 ; xmm7=data7 - packssdw xmm2,xmm1 ; xmm2=data1 - - movdqa xmm4,xmm5 - movdqa xmm1,xmm5 - punpcklwd xmm4,xmm3 - punpckhwd xmm1,xmm3 - movdqa xmm5,xmm4 - movdqa xmm3,xmm1 - pmaddwd xmm4,[rel PW_MF050_MF256] ; xmm4=tmp5L - pmaddwd xmm1,[rel PW_MF050_MF256] ; xmm1=tmp5H - pmaddwd xmm5,[rel PW_MF256_F050] ; xmm5=tmp6L - pmaddwd xmm3,[rel PW_MF256_F050] ; xmm3=tmp6H - - paddd xmm4,xmm6 ; xmm4=data5L - paddd xmm1,xmm0 ; xmm1=data5H - paddd xmm5, XMMWORD [wk(0)] ; xmm5=data3L - paddd xmm3, XMMWORD [wk(1)] ; xmm3=data3H - - paddd xmm4,[rel PD_DESCALE_P1] - paddd xmm1,[rel PD_DESCALE_P1] - psrad xmm4,DESCALE_P1 - psrad xmm1,DESCALE_P1 - paddd xmm5,[rel PD_DESCALE_P1] - paddd xmm3,[rel PD_DESCALE_P1] - psrad xmm5,DESCALE_P1 - psrad xmm3,DESCALE_P1 - - packssdw xmm4,xmm1 ; xmm4=data5 - packssdw xmm5,xmm3 ; xmm5=data3 - - ; ---- Pass 2: process columns. - - movdqa xmm6, XMMWORD [wk(2)] ; xmm6=col0 - movdqa xmm0, XMMWORD [wk(4)] ; xmm0=col2 - - ; xmm6=(00 10 20 30 40 50 60 70), xmm0=(02 12 22 32 42 52 62 72) - ; xmm2=(01 11 21 31 41 51 61 71), xmm5=(03 13 23 33 43 53 63 73) - - movdqa xmm1,xmm6 ; transpose coefficients(phase 1) - punpcklwd xmm6,xmm2 ; xmm6=(00 01 10 11 20 21 30 31) - punpckhwd xmm1,xmm2 ; xmm1=(40 41 50 51 60 61 70 71) - movdqa xmm3,xmm0 ; transpose coefficients(phase 1) - punpcklwd xmm0,xmm5 ; xmm0=(02 03 12 13 22 23 32 33) - punpckhwd xmm3,xmm5 ; xmm3=(42 43 52 53 62 63 72 73) - - movdqa xmm2, XMMWORD [wk(3)] ; xmm2=col4 - movdqa xmm5, XMMWORD [wk(5)] ; xmm5=col6 - - ; xmm2=(04 14 24 34 44 54 64 74), xmm5=(06 16 26 36 46 56 66 76) - ; xmm4=(05 15 25 35 45 55 65 75), xmm7=(07 17 27 37 47 57 67 77) - - movdqa XMMWORD [wk(0)], xmm0 ; wk(0)=(02 03 12 13 22 23 32 33) - movdqa XMMWORD [wk(1)], xmm3 ; wk(1)=(42 43 52 53 62 63 72 73) - - movdqa xmm0,xmm2 ; transpose coefficients(phase 1) - punpcklwd xmm2,xmm4 ; xmm2=(04 05 14 15 24 25 34 35) - punpckhwd xmm0,xmm4 ; xmm0=(44 45 54 55 64 65 74 75) - movdqa xmm3,xmm5 ; transpose coefficients(phase 1) - punpcklwd xmm5,xmm7 ; xmm5=(06 07 16 17 26 27 36 37) - punpckhwd xmm3,xmm7 ; xmm3=(46 47 56 57 66 67 76 77) - - movdqa xmm4,xmm2 ; transpose coefficients(phase 2) - punpckldq xmm2,xmm5 ; xmm2=(04 05 06 07 14 15 16 17) - punpckhdq xmm4,xmm5 ; xmm4=(24 25 26 27 34 35 36 37) - movdqa xmm7,xmm0 ; transpose coefficients(phase 2) - punpckldq xmm0,xmm3 ; xmm0=(44 45 46 47 54 55 56 57) - punpckhdq xmm7,xmm3 ; xmm7=(64 65 66 67 74 75 76 77) - - movdqa xmm5, XMMWORD [wk(0)] ; xmm5=(02 03 12 13 22 23 32 33) - movdqa xmm3, XMMWORD [wk(1)] ; xmm3=(42 43 52 53 62 63 72 73) - movdqa XMMWORD [wk(2)], xmm4 ; wk(2)=(24 25 26 27 34 35 36 37) - movdqa XMMWORD [wk(3)], xmm0 ; wk(3)=(44 45 46 47 54 55 56 57) - - movdqa xmm4,xmm6 ; transpose coefficients(phase 2) - punpckldq xmm6,xmm5 ; xmm6=(00 01 02 03 10 11 12 13) - punpckhdq xmm4,xmm5 ; xmm4=(20 21 22 23 30 31 32 33) - movdqa xmm0,xmm1 ; transpose coefficients(phase 2) - punpckldq xmm1,xmm3 ; xmm1=(40 41 42 43 50 51 52 53) - punpckhdq xmm0,xmm3 ; xmm0=(60 61 62 63 70 71 72 73) - - movdqa xmm5,xmm6 ; transpose coefficients(phase 3) - punpcklqdq xmm6,xmm2 ; xmm6=(00 01 02 03 04 05 06 07)=data0 - punpckhqdq xmm5,xmm2 ; xmm5=(10 11 12 13 14 15 16 17)=data1 - movdqa xmm3,xmm0 ; transpose coefficients(phase 3) - punpcklqdq xmm0,xmm7 ; xmm0=(60 61 62 63 64 65 66 67)=data6 - punpckhqdq xmm3,xmm7 ; xmm3=(70 71 72 73 74 75 76 77)=data7 - - movdqa xmm2,xmm5 - movdqa xmm7,xmm6 - psubw xmm5,xmm0 ; xmm5=data1-data6=tmp6 - psubw xmm6,xmm3 ; xmm6=data0-data7=tmp7 - paddw xmm2,xmm0 ; xmm2=data1+data6=tmp1 - paddw xmm7,xmm3 ; xmm7=data0+data7=tmp0 - - movdqa xmm0, XMMWORD [wk(2)] ; xmm0=(24 25 26 27 34 35 36 37) - movdqa xmm3, XMMWORD [wk(3)] ; xmm3=(44 45 46 47 54 55 56 57) - movdqa XMMWORD [wk(0)], xmm5 ; wk(0)=tmp6 - movdqa XMMWORD [wk(1)], xmm6 ; wk(1)=tmp7 - - movdqa xmm5,xmm4 ; transpose coefficients(phase 3) - punpcklqdq xmm4,xmm0 ; xmm4=(20 21 22 23 24 25 26 27)=data2 - punpckhqdq xmm5,xmm0 ; xmm5=(30 31 32 33 34 35 36 37)=data3 - movdqa xmm6,xmm1 ; transpose coefficients(phase 3) - punpcklqdq xmm1,xmm3 ; xmm1=(40 41 42 43 44 45 46 47)=data4 - punpckhqdq xmm6,xmm3 ; xmm6=(50 51 52 53 54 55 56 57)=data5 - - movdqa xmm0,xmm5 - movdqa xmm3,xmm4 - paddw xmm5,xmm1 ; xmm5=data3+data4=tmp3 - paddw xmm4,xmm6 ; xmm4=data2+data5=tmp2 - psubw xmm0,xmm1 ; xmm0=data3-data4=tmp4 - psubw xmm3,xmm6 ; xmm3=data2-data5=tmp5 - - ; -- Even part - - movdqa xmm1,xmm7 - movdqa xmm6,xmm2 - paddw xmm7,xmm5 ; xmm7=tmp10 - paddw xmm2,xmm4 ; xmm2=tmp11 - psubw xmm1,xmm5 ; xmm1=tmp13 - psubw xmm6,xmm4 ; xmm6=tmp12 - - movdqa xmm5,xmm7 - paddw xmm7,xmm2 ; xmm7=tmp10+tmp11 - psubw xmm5,xmm2 ; xmm5=tmp10-tmp11 - - paddw xmm7,[rel PW_DESCALE_P2X] - paddw xmm5,[rel PW_DESCALE_P2X] - psraw xmm7,PASS1_BITS ; xmm7=data0 - psraw xmm5,PASS1_BITS ; xmm5=data4 - - movdqa XMMWORD [XMMBLOCK(0,0,rdx,SIZEOF_DCTELEM)], xmm7 - movdqa XMMWORD [XMMBLOCK(4,0,rdx,SIZEOF_DCTELEM)], xmm5 - - ; (Original) - ; z1 = (tmp12 + tmp13) * 0.541196100; - ; data2 = z1 + tmp13 * 0.765366865; - ; data6 = z1 + tmp12 * -1.847759065; - ; - ; (This implementation) - ; data2 = tmp13 * (0.541196100 + 0.765366865) + tmp12 * 0.541196100; - ; data6 = tmp13 * 0.541196100 + tmp12 * (0.541196100 - 1.847759065); - - movdqa xmm4,xmm1 ; xmm1=tmp13 - movdqa xmm2,xmm1 - punpcklwd xmm4,xmm6 ; xmm6=tmp12 - punpckhwd xmm2,xmm6 - movdqa xmm1,xmm4 - movdqa xmm6,xmm2 - pmaddwd xmm4,[rel PW_F130_F054] ; xmm4=data2L - pmaddwd xmm2,[rel PW_F130_F054] ; xmm2=data2H - pmaddwd xmm1,[rel PW_F054_MF130] ; xmm1=data6L - pmaddwd xmm6,[rel PW_F054_MF130] ; xmm6=data6H - - paddd xmm4,[rel PD_DESCALE_P2] - paddd xmm2,[rel PD_DESCALE_P2] - psrad xmm4,DESCALE_P2 - psrad xmm2,DESCALE_P2 - paddd xmm1,[rel PD_DESCALE_P2] - paddd xmm6,[rel PD_DESCALE_P2] - psrad xmm1,DESCALE_P2 - psrad xmm6,DESCALE_P2 - - packssdw xmm4,xmm2 ; xmm4=data2 - packssdw xmm1,xmm6 ; xmm1=data6 - - movdqa XMMWORD [XMMBLOCK(2,0,rdx,SIZEOF_DCTELEM)], xmm4 - movdqa XMMWORD [XMMBLOCK(6,0,rdx,SIZEOF_DCTELEM)], xmm1 - - ; -- Odd part - - movdqa xmm7, XMMWORD [wk(0)] ; xmm7=tmp6 - movdqa xmm5, XMMWORD [wk(1)] ; xmm5=tmp7 - - movdqa xmm2,xmm0 ; xmm0=tmp4 - movdqa xmm6,xmm3 ; xmm3=tmp5 - paddw xmm2,xmm7 ; xmm2=z3 - paddw xmm6,xmm5 ; xmm6=z4 - - ; (Original) - ; z5 = (z3 + z4) * 1.175875602; - ; z3 = z3 * -1.961570560; z4 = z4 * -0.390180644; - ; z3 += z5; z4 += z5; - ; - ; (This implementation) - ; z3 = z3 * (1.175875602 - 1.961570560) + z4 * 1.175875602; - ; z4 = z3 * 1.175875602 + z4 * (1.175875602 - 0.390180644); - - movdqa xmm4,xmm2 - movdqa xmm1,xmm2 - punpcklwd xmm4,xmm6 - punpckhwd xmm1,xmm6 - movdqa xmm2,xmm4 - movdqa xmm6,xmm1 - pmaddwd xmm4,[rel PW_MF078_F117] ; xmm4=z3L - pmaddwd xmm1,[rel PW_MF078_F117] ; xmm1=z3H - pmaddwd xmm2,[rel PW_F117_F078] ; xmm2=z4L - pmaddwd xmm6,[rel PW_F117_F078] ; xmm6=z4H - - movdqa XMMWORD [wk(0)], xmm4 ; wk(0)=z3L - movdqa XMMWORD [wk(1)], xmm1 ; wk(1)=z3H - - ; (Original) - ; z1 = tmp4 + tmp7; z2 = tmp5 + tmp6; - ; tmp4 = tmp4 * 0.298631336; tmp5 = tmp5 * 2.053119869; - ; tmp6 = tmp6 * 3.072711026; tmp7 = tmp7 * 1.501321110; - ; z1 = z1 * -0.899976223; z2 = z2 * -2.562915447; - ; data7 = tmp4 + z1 + z3; data5 = tmp5 + z2 + z4; - ; data3 = tmp6 + z2 + z3; data1 = tmp7 + z1 + z4; - ; - ; (This implementation) - ; tmp4 = tmp4 * (0.298631336 - 0.899976223) + tmp7 * -0.899976223; - ; tmp5 = tmp5 * (2.053119869 - 2.562915447) + tmp6 * -2.562915447; - ; tmp6 = tmp5 * -2.562915447 + tmp6 * (3.072711026 - 2.562915447); - ; tmp7 = tmp4 * -0.899976223 + tmp7 * (1.501321110 - 0.899976223); - ; data7 = tmp4 + z3; data5 = tmp5 + z4; - ; data3 = tmp6 + z3; data1 = tmp7 + z4; - - movdqa xmm4,xmm0 - movdqa xmm1,xmm0 - punpcklwd xmm4,xmm5 - punpckhwd xmm1,xmm5 - movdqa xmm0,xmm4 - movdqa xmm5,xmm1 - pmaddwd xmm4,[rel PW_MF060_MF089] ; xmm4=tmp4L - pmaddwd xmm1,[rel PW_MF060_MF089] ; xmm1=tmp4H - pmaddwd xmm0,[rel PW_MF089_F060] ; xmm0=tmp7L - pmaddwd xmm5,[rel PW_MF089_F060] ; xmm5=tmp7H - - paddd xmm4, XMMWORD [wk(0)] ; xmm4=data7L - paddd xmm1, XMMWORD [wk(1)] ; xmm1=data7H - paddd xmm0,xmm2 ; xmm0=data1L - paddd xmm5,xmm6 ; xmm5=data1H - - paddd xmm4,[rel PD_DESCALE_P2] - paddd xmm1,[rel PD_DESCALE_P2] - psrad xmm4,DESCALE_P2 - psrad xmm1,DESCALE_P2 - paddd xmm0,[rel PD_DESCALE_P2] - paddd xmm5,[rel PD_DESCALE_P2] - psrad xmm0,DESCALE_P2 - psrad xmm5,DESCALE_P2 - - packssdw xmm4,xmm1 ; xmm4=data7 - packssdw xmm0,xmm5 ; xmm0=data1 - - movdqa XMMWORD [XMMBLOCK(7,0,rdx,SIZEOF_DCTELEM)], xmm4 - movdqa XMMWORD [XMMBLOCK(1,0,rdx,SIZEOF_DCTELEM)], xmm0 - - movdqa xmm1,xmm3 - movdqa xmm5,xmm3 - punpcklwd xmm1,xmm7 - punpckhwd xmm5,xmm7 - movdqa xmm3,xmm1 - movdqa xmm7,xmm5 - pmaddwd xmm1,[rel PW_MF050_MF256] ; xmm1=tmp5L - pmaddwd xmm5,[rel PW_MF050_MF256] ; xmm5=tmp5H - pmaddwd xmm3,[rel PW_MF256_F050] ; xmm3=tmp6L - pmaddwd xmm7,[rel PW_MF256_F050] ; xmm7=tmp6H - - paddd xmm1,xmm2 ; xmm1=data5L - paddd xmm5,xmm6 ; xmm5=data5H - paddd xmm3, XMMWORD [wk(0)] ; xmm3=data3L - paddd xmm7, XMMWORD [wk(1)] ; xmm7=data3H - - paddd xmm1,[rel PD_DESCALE_P2] - paddd xmm5,[rel PD_DESCALE_P2] - psrad xmm1,DESCALE_P2 - psrad xmm5,DESCALE_P2 - paddd xmm3,[rel PD_DESCALE_P2] - paddd xmm7,[rel PD_DESCALE_P2] - psrad xmm3,DESCALE_P2 - psrad xmm7,DESCALE_P2 - - packssdw xmm1,xmm5 ; xmm1=data5 - packssdw xmm3,xmm7 ; xmm3=data3 - - movdqa XMMWORD [XMMBLOCK(5,0,rdx,SIZEOF_DCTELEM)], xmm1 - movdqa XMMWORD [XMMBLOCK(3,0,rdx,SIZEOF_DCTELEM)], xmm3 - - uncollect_args - mov rsp,rbp ; rsp <- aligned rbp - pop rsp ; rsp <- original rbp - pop rbp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jfss2int.asm b/common/jpeg/simd/jfss2int.asm deleted file mode 100644 index 5e3f2aaa..00000000 --- a/common/jpeg/simd/jfss2int.asm +++ /dev/null @@ -1,634 +0,0 @@ -; -; jfss2int.asm - accurate integer FDCT (SSE2) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; This file contains a slow-but-accurate integer implementation of the -; forward DCT (Discrete Cosine Transform). The following code is based -; directly on the IJG's original jfdctint.c; see the jfdctint.c for -; more details. -; -; [TAB8] - -%include "jsimdext.inc" -%include "jdct.inc" - -; -------------------------------------------------------------------------- - -%define CONST_BITS 13 -%define PASS1_BITS 2 - -%define DESCALE_P1 (CONST_BITS-PASS1_BITS) -%define DESCALE_P2 (CONST_BITS+PASS1_BITS) - -%if CONST_BITS == 13 -F_0_298 equ 2446 ; FIX(0.298631336) -F_0_390 equ 3196 ; FIX(0.390180644) -F_0_541 equ 4433 ; FIX(0.541196100) -F_0_765 equ 6270 ; FIX(0.765366865) -F_0_899 equ 7373 ; FIX(0.899976223) -F_1_175 equ 9633 ; FIX(1.175875602) -F_1_501 equ 12299 ; FIX(1.501321110) -F_1_847 equ 15137 ; FIX(1.847759065) -F_1_961 equ 16069 ; FIX(1.961570560) -F_2_053 equ 16819 ; FIX(2.053119869) -F_2_562 equ 20995 ; FIX(2.562915447) -F_3_072 equ 25172 ; FIX(3.072711026) -%else -; NASM cannot do compile-time arithmetic on floating-point constants. -%define DESCALE(x,n) (((x)+(1<<((n)-1)))>>(n)) -F_0_298 equ DESCALE( 320652955,30-CONST_BITS) ; FIX(0.298631336) -F_0_390 equ DESCALE( 418953276,30-CONST_BITS) ; FIX(0.390180644) -F_0_541 equ DESCALE( 581104887,30-CONST_BITS) ; FIX(0.541196100) -F_0_765 equ DESCALE( 821806413,30-CONST_BITS) ; FIX(0.765366865) -F_0_899 equ DESCALE( 966342111,30-CONST_BITS) ; FIX(0.899976223) -F_1_175 equ DESCALE(1262586813,30-CONST_BITS) ; FIX(1.175875602) -F_1_501 equ DESCALE(1612031267,30-CONST_BITS) ; FIX(1.501321110) -F_1_847 equ DESCALE(1984016188,30-CONST_BITS) ; FIX(1.847759065) -F_1_961 equ DESCALE(2106220350,30-CONST_BITS) ; FIX(1.961570560) -F_2_053 equ DESCALE(2204520673,30-CONST_BITS) ; FIX(2.053119869) -F_2_562 equ DESCALE(2751909506,30-CONST_BITS) ; FIX(2.562915447) -F_3_072 equ DESCALE(3299298341,30-CONST_BITS) ; FIX(3.072711026) -%endif - -; -------------------------------------------------------------------------- - SECTION SEG_CONST - - alignz 16 - global EXTN(jconst_fdct_islow_sse2) - -EXTN(jconst_fdct_islow_sse2): - -PW_F130_F054 times 4 dw (F_0_541+F_0_765), F_0_541 -PW_F054_MF130 times 4 dw F_0_541, (F_0_541-F_1_847) -PW_MF078_F117 times 4 dw (F_1_175-F_1_961), F_1_175 -PW_F117_F078 times 4 dw F_1_175, (F_1_175-F_0_390) -PW_MF060_MF089 times 4 dw (F_0_298-F_0_899),-F_0_899 -PW_MF089_F060 times 4 dw -F_0_899, (F_1_501-F_0_899) -PW_MF050_MF256 times 4 dw (F_2_053-F_2_562),-F_2_562 -PW_MF256_F050 times 4 dw -F_2_562, (F_3_072-F_2_562) -PD_DESCALE_P1 times 4 dd 1 << (DESCALE_P1-1) -PD_DESCALE_P2 times 4 dd 1 << (DESCALE_P2-1) -PW_DESCALE_P2X times 8 dw 1 << (PASS1_BITS-1) - - alignz 16 - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 32 -; -; Perform the forward DCT on one block of samples. -; -; GLOBAL(void) -; jsimd_fdct_islow_sse2 (DCTELEM * data) -; - -%define data(b) (b)+8 ; DCTELEM * data - -%define original_ebp ebp+0 -%define wk(i) ebp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM] -%define WK_NUM 6 - - align 16 - global EXTN(jsimd_fdct_islow_sse2) - -EXTN(jsimd_fdct_islow_sse2): - push ebp - mov eax,esp ; eax = original ebp - sub esp, byte 4 - and esp, byte (-SIZEOF_XMMWORD) ; align to 128 bits - mov [esp],eax - mov ebp,esp ; ebp = aligned ebp - lea esp, [wk(0)] - pushpic ebx -; push ecx ; unused -; push edx ; need not be preserved -; push esi ; unused -; push edi ; unused - - get_GOT ebx ; get GOT address - - ; ---- Pass 1: process rows. - - mov edx, POINTER [data(eax)] ; (DCTELEM *) - - movdqa xmm0, XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_DCTELEM)] - movdqa xmm1, XMMWORD [XMMBLOCK(1,0,edx,SIZEOF_DCTELEM)] - movdqa xmm2, XMMWORD [XMMBLOCK(2,0,edx,SIZEOF_DCTELEM)] - movdqa xmm3, XMMWORD [XMMBLOCK(3,0,edx,SIZEOF_DCTELEM)] - - ; xmm0=(00 01 02 03 04 05 06 07), xmm2=(20 21 22 23 24 25 26 27) - ; xmm1=(10 11 12 13 14 15 16 17), xmm3=(30 31 32 33 34 35 36 37) - - movdqa xmm4,xmm0 ; transpose coefficients(phase 1) - punpcklwd xmm0,xmm1 ; xmm0=(00 10 01 11 02 12 03 13) - punpckhwd xmm4,xmm1 ; xmm4=(04 14 05 15 06 16 07 17) - movdqa xmm5,xmm2 ; transpose coefficients(phase 1) - punpcklwd xmm2,xmm3 ; xmm2=(20 30 21 31 22 32 23 33) - punpckhwd xmm5,xmm3 ; xmm5=(24 34 25 35 26 36 27 37) - - movdqa xmm6, XMMWORD [XMMBLOCK(4,0,edx,SIZEOF_DCTELEM)] - movdqa xmm7, XMMWORD [XMMBLOCK(5,0,edx,SIZEOF_DCTELEM)] - movdqa xmm1, XMMWORD [XMMBLOCK(6,0,edx,SIZEOF_DCTELEM)] - movdqa xmm3, XMMWORD [XMMBLOCK(7,0,edx,SIZEOF_DCTELEM)] - - ; xmm6=( 4 12 20 28 36 44 52 60), xmm1=( 6 14 22 30 38 46 54 62) - ; xmm7=( 5 13 21 29 37 45 53 61), xmm3=( 7 15 23 31 39 47 55 63) - - movdqa XMMWORD [wk(0)], xmm2 ; wk(0)=(20 30 21 31 22 32 23 33) - movdqa XMMWORD [wk(1)], xmm5 ; wk(1)=(24 34 25 35 26 36 27 37) - - movdqa xmm2,xmm6 ; transpose coefficients(phase 1) - punpcklwd xmm6,xmm7 ; xmm6=(40 50 41 51 42 52 43 53) - punpckhwd xmm2,xmm7 ; xmm2=(44 54 45 55 46 56 47 57) - movdqa xmm5,xmm1 ; transpose coefficients(phase 1) - punpcklwd xmm1,xmm3 ; xmm1=(60 70 61 71 62 72 63 73) - punpckhwd xmm5,xmm3 ; xmm5=(64 74 65 75 66 76 67 77) - - movdqa xmm7,xmm6 ; transpose coefficients(phase 2) - punpckldq xmm6,xmm1 ; xmm6=(40 50 60 70 41 51 61 71) - punpckhdq xmm7,xmm1 ; xmm7=(42 52 62 72 43 53 63 73) - movdqa xmm3,xmm2 ; transpose coefficients(phase 2) - punpckldq xmm2,xmm5 ; xmm2=(44 54 64 74 45 55 65 75) - punpckhdq xmm3,xmm5 ; xmm3=(46 56 66 76 47 57 67 77) - - movdqa xmm1, XMMWORD [wk(0)] ; xmm1=(20 30 21 31 22 32 23 33) - movdqa xmm5, XMMWORD [wk(1)] ; xmm5=(24 34 25 35 26 36 27 37) - movdqa XMMWORD [wk(2)], xmm7 ; wk(2)=(42 52 62 72 43 53 63 73) - movdqa XMMWORD [wk(3)], xmm2 ; wk(3)=(44 54 64 74 45 55 65 75) - - movdqa xmm7,xmm0 ; transpose coefficients(phase 2) - punpckldq xmm0,xmm1 ; xmm0=(00 10 20 30 01 11 21 31) - punpckhdq xmm7,xmm1 ; xmm7=(02 12 22 32 03 13 23 33) - movdqa xmm2,xmm4 ; transpose coefficients(phase 2) - punpckldq xmm4,xmm5 ; xmm4=(04 14 24 34 05 15 25 35) - punpckhdq xmm2,xmm5 ; xmm2=(06 16 26 36 07 17 27 37) - - movdqa xmm1,xmm0 ; transpose coefficients(phase 3) - punpcklqdq xmm0,xmm6 ; xmm0=(00 10 20 30 40 50 60 70)=data0 - punpckhqdq xmm1,xmm6 ; xmm1=(01 11 21 31 41 51 61 71)=data1 - movdqa xmm5,xmm2 ; transpose coefficients(phase 3) - punpcklqdq xmm2,xmm3 ; xmm2=(06 16 26 36 46 56 66 76)=data6 - punpckhqdq xmm5,xmm3 ; xmm5=(07 17 27 37 47 57 67 77)=data7 - - movdqa xmm6,xmm1 - movdqa xmm3,xmm0 - psubw xmm1,xmm2 ; xmm1=data1-data6=tmp6 - psubw xmm0,xmm5 ; xmm0=data0-data7=tmp7 - paddw xmm6,xmm2 ; xmm6=data1+data6=tmp1 - paddw xmm3,xmm5 ; xmm3=data0+data7=tmp0 - - movdqa xmm2, XMMWORD [wk(2)] ; xmm2=(42 52 62 72 43 53 63 73) - movdqa xmm5, XMMWORD [wk(3)] ; xmm5=(44 54 64 74 45 55 65 75) - movdqa XMMWORD [wk(0)], xmm1 ; wk(0)=tmp6 - movdqa XMMWORD [wk(1)], xmm0 ; wk(1)=tmp7 - - movdqa xmm1,xmm7 ; transpose coefficients(phase 3) - punpcklqdq xmm7,xmm2 ; xmm7=(02 12 22 32 42 52 62 72)=data2 - punpckhqdq xmm1,xmm2 ; xmm1=(03 13 23 33 43 53 63 73)=data3 - movdqa xmm0,xmm4 ; transpose coefficients(phase 3) - punpcklqdq xmm4,xmm5 ; xmm4=(04 14 24 34 44 54 64 74)=data4 - punpckhqdq xmm0,xmm5 ; xmm0=(05 15 25 35 45 55 65 75)=data5 - - movdqa xmm2,xmm1 - movdqa xmm5,xmm7 - paddw xmm1,xmm4 ; xmm1=data3+data4=tmp3 - paddw xmm7,xmm0 ; xmm7=data2+data5=tmp2 - psubw xmm2,xmm4 ; xmm2=data3-data4=tmp4 - psubw xmm5,xmm0 ; xmm5=data2-data5=tmp5 - - ; -- Even part - - movdqa xmm4,xmm3 - movdqa xmm0,xmm6 - paddw xmm3,xmm1 ; xmm3=tmp10 - paddw xmm6,xmm7 ; xmm6=tmp11 - psubw xmm4,xmm1 ; xmm4=tmp13 - psubw xmm0,xmm7 ; xmm0=tmp12 - - movdqa xmm1,xmm3 - paddw xmm3,xmm6 ; xmm3=tmp10+tmp11 - psubw xmm1,xmm6 ; xmm1=tmp10-tmp11 - - psllw xmm3,PASS1_BITS ; xmm3=data0 - psllw xmm1,PASS1_BITS ; xmm1=data4 - - movdqa XMMWORD [wk(2)], xmm3 ; wk(2)=data0 - movdqa XMMWORD [wk(3)], xmm1 ; wk(3)=data4 - - ; (Original) - ; z1 = (tmp12 + tmp13) * 0.541196100; - ; data2 = z1 + tmp13 * 0.765366865; - ; data6 = z1 + tmp12 * -1.847759065; - ; - ; (This implementation) - ; data2 = tmp13 * (0.541196100 + 0.765366865) + tmp12 * 0.541196100; - ; data6 = tmp13 * 0.541196100 + tmp12 * (0.541196100 - 1.847759065); - - movdqa xmm7,xmm4 ; xmm4=tmp13 - movdqa xmm6,xmm4 - punpcklwd xmm7,xmm0 ; xmm0=tmp12 - punpckhwd xmm6,xmm0 - movdqa xmm4,xmm7 - movdqa xmm0,xmm6 - pmaddwd xmm7,[GOTOFF(ebx,PW_F130_F054)] ; xmm7=data2L - pmaddwd xmm6,[GOTOFF(ebx,PW_F130_F054)] ; xmm6=data2H - pmaddwd xmm4,[GOTOFF(ebx,PW_F054_MF130)] ; xmm4=data6L - pmaddwd xmm0,[GOTOFF(ebx,PW_F054_MF130)] ; xmm0=data6H - - paddd xmm7,[GOTOFF(ebx,PD_DESCALE_P1)] - paddd xmm6,[GOTOFF(ebx,PD_DESCALE_P1)] - psrad xmm7,DESCALE_P1 - psrad xmm6,DESCALE_P1 - paddd xmm4,[GOTOFF(ebx,PD_DESCALE_P1)] - paddd xmm0,[GOTOFF(ebx,PD_DESCALE_P1)] - psrad xmm4,DESCALE_P1 - psrad xmm0,DESCALE_P1 - - packssdw xmm7,xmm6 ; xmm7=data2 - packssdw xmm4,xmm0 ; xmm4=data6 - - movdqa XMMWORD [wk(4)], xmm7 ; wk(4)=data2 - movdqa XMMWORD [wk(5)], xmm4 ; wk(5)=data6 - - ; -- Odd part - - movdqa xmm3, XMMWORD [wk(0)] ; xmm3=tmp6 - movdqa xmm1, XMMWORD [wk(1)] ; xmm1=tmp7 - - movdqa xmm6,xmm2 ; xmm2=tmp4 - movdqa xmm0,xmm5 ; xmm5=tmp5 - paddw xmm6,xmm3 ; xmm6=z3 - paddw xmm0,xmm1 ; xmm0=z4 - - ; (Original) - ; z5 = (z3 + z4) * 1.175875602; - ; z3 = z3 * -1.961570560; z4 = z4 * -0.390180644; - ; z3 += z5; z4 += z5; - ; - ; (This implementation) - ; z3 = z3 * (1.175875602 - 1.961570560) + z4 * 1.175875602; - ; z4 = z3 * 1.175875602 + z4 * (1.175875602 - 0.390180644); - - movdqa xmm7,xmm6 - movdqa xmm4,xmm6 - punpcklwd xmm7,xmm0 - punpckhwd xmm4,xmm0 - movdqa xmm6,xmm7 - movdqa xmm0,xmm4 - pmaddwd xmm7,[GOTOFF(ebx,PW_MF078_F117)] ; xmm7=z3L - pmaddwd xmm4,[GOTOFF(ebx,PW_MF078_F117)] ; xmm4=z3H - pmaddwd xmm6,[GOTOFF(ebx,PW_F117_F078)] ; xmm6=z4L - pmaddwd xmm0,[GOTOFF(ebx,PW_F117_F078)] ; xmm0=z4H - - movdqa XMMWORD [wk(0)], xmm7 ; wk(0)=z3L - movdqa XMMWORD [wk(1)], xmm4 ; wk(1)=z3H - - ; (Original) - ; z1 = tmp4 + tmp7; z2 = tmp5 + tmp6; - ; tmp4 = tmp4 * 0.298631336; tmp5 = tmp5 * 2.053119869; - ; tmp6 = tmp6 * 3.072711026; tmp7 = tmp7 * 1.501321110; - ; z1 = z1 * -0.899976223; z2 = z2 * -2.562915447; - ; data7 = tmp4 + z1 + z3; data5 = tmp5 + z2 + z4; - ; data3 = tmp6 + z2 + z3; data1 = tmp7 + z1 + z4; - ; - ; (This implementation) - ; tmp4 = tmp4 * (0.298631336 - 0.899976223) + tmp7 * -0.899976223; - ; tmp5 = tmp5 * (2.053119869 - 2.562915447) + tmp6 * -2.562915447; - ; tmp6 = tmp5 * -2.562915447 + tmp6 * (3.072711026 - 2.562915447); - ; tmp7 = tmp4 * -0.899976223 + tmp7 * (1.501321110 - 0.899976223); - ; data7 = tmp4 + z3; data5 = tmp5 + z4; - ; data3 = tmp6 + z3; data1 = tmp7 + z4; - - movdqa xmm7,xmm2 - movdqa xmm4,xmm2 - punpcklwd xmm7,xmm1 - punpckhwd xmm4,xmm1 - movdqa xmm2,xmm7 - movdqa xmm1,xmm4 - pmaddwd xmm7,[GOTOFF(ebx,PW_MF060_MF089)] ; xmm7=tmp4L - pmaddwd xmm4,[GOTOFF(ebx,PW_MF060_MF089)] ; xmm4=tmp4H - pmaddwd xmm2,[GOTOFF(ebx,PW_MF089_F060)] ; xmm2=tmp7L - pmaddwd xmm1,[GOTOFF(ebx,PW_MF089_F060)] ; xmm1=tmp7H - - paddd xmm7, XMMWORD [wk(0)] ; xmm7=data7L - paddd xmm4, XMMWORD [wk(1)] ; xmm4=data7H - paddd xmm2,xmm6 ; xmm2=data1L - paddd xmm1,xmm0 ; xmm1=data1H - - paddd xmm7,[GOTOFF(ebx,PD_DESCALE_P1)] - paddd xmm4,[GOTOFF(ebx,PD_DESCALE_P1)] - psrad xmm7,DESCALE_P1 - psrad xmm4,DESCALE_P1 - paddd xmm2,[GOTOFF(ebx,PD_DESCALE_P1)] - paddd xmm1,[GOTOFF(ebx,PD_DESCALE_P1)] - psrad xmm2,DESCALE_P1 - psrad xmm1,DESCALE_P1 - - packssdw xmm7,xmm4 ; xmm7=data7 - packssdw xmm2,xmm1 ; xmm2=data1 - - movdqa xmm4,xmm5 - movdqa xmm1,xmm5 - punpcklwd xmm4,xmm3 - punpckhwd xmm1,xmm3 - movdqa xmm5,xmm4 - movdqa xmm3,xmm1 - pmaddwd xmm4,[GOTOFF(ebx,PW_MF050_MF256)] ; xmm4=tmp5L - pmaddwd xmm1,[GOTOFF(ebx,PW_MF050_MF256)] ; xmm1=tmp5H - pmaddwd xmm5,[GOTOFF(ebx,PW_MF256_F050)] ; xmm5=tmp6L - pmaddwd xmm3,[GOTOFF(ebx,PW_MF256_F050)] ; xmm3=tmp6H - - paddd xmm4,xmm6 ; xmm4=data5L - paddd xmm1,xmm0 ; xmm1=data5H - paddd xmm5, XMMWORD [wk(0)] ; xmm5=data3L - paddd xmm3, XMMWORD [wk(1)] ; xmm3=data3H - - paddd xmm4,[GOTOFF(ebx,PD_DESCALE_P1)] - paddd xmm1,[GOTOFF(ebx,PD_DESCALE_P1)] - psrad xmm4,DESCALE_P1 - psrad xmm1,DESCALE_P1 - paddd xmm5,[GOTOFF(ebx,PD_DESCALE_P1)] - paddd xmm3,[GOTOFF(ebx,PD_DESCALE_P1)] - psrad xmm5,DESCALE_P1 - psrad xmm3,DESCALE_P1 - - packssdw xmm4,xmm1 ; xmm4=data5 - packssdw xmm5,xmm3 ; xmm5=data3 - - ; ---- Pass 2: process columns. - -; mov edx, POINTER [data(eax)] ; (DCTELEM *) - - movdqa xmm6, XMMWORD [wk(2)] ; xmm6=col0 - movdqa xmm0, XMMWORD [wk(4)] ; xmm0=col2 - - ; xmm6=(00 10 20 30 40 50 60 70), xmm0=(02 12 22 32 42 52 62 72) - ; xmm2=(01 11 21 31 41 51 61 71), xmm5=(03 13 23 33 43 53 63 73) - - movdqa xmm1,xmm6 ; transpose coefficients(phase 1) - punpcklwd xmm6,xmm2 ; xmm6=(00 01 10 11 20 21 30 31) - punpckhwd xmm1,xmm2 ; xmm1=(40 41 50 51 60 61 70 71) - movdqa xmm3,xmm0 ; transpose coefficients(phase 1) - punpcklwd xmm0,xmm5 ; xmm0=(02 03 12 13 22 23 32 33) - punpckhwd xmm3,xmm5 ; xmm3=(42 43 52 53 62 63 72 73) - - movdqa xmm2, XMMWORD [wk(3)] ; xmm2=col4 - movdqa xmm5, XMMWORD [wk(5)] ; xmm5=col6 - - ; xmm2=(04 14 24 34 44 54 64 74), xmm5=(06 16 26 36 46 56 66 76) - ; xmm4=(05 15 25 35 45 55 65 75), xmm7=(07 17 27 37 47 57 67 77) - - movdqa XMMWORD [wk(0)], xmm0 ; wk(0)=(02 03 12 13 22 23 32 33) - movdqa XMMWORD [wk(1)], xmm3 ; wk(1)=(42 43 52 53 62 63 72 73) - - movdqa xmm0,xmm2 ; transpose coefficients(phase 1) - punpcklwd xmm2,xmm4 ; xmm2=(04 05 14 15 24 25 34 35) - punpckhwd xmm0,xmm4 ; xmm0=(44 45 54 55 64 65 74 75) - movdqa xmm3,xmm5 ; transpose coefficients(phase 1) - punpcklwd xmm5,xmm7 ; xmm5=(06 07 16 17 26 27 36 37) - punpckhwd xmm3,xmm7 ; xmm3=(46 47 56 57 66 67 76 77) - - movdqa xmm4,xmm2 ; transpose coefficients(phase 2) - punpckldq xmm2,xmm5 ; xmm2=(04 05 06 07 14 15 16 17) - punpckhdq xmm4,xmm5 ; xmm4=(24 25 26 27 34 35 36 37) - movdqa xmm7,xmm0 ; transpose coefficients(phase 2) - punpckldq xmm0,xmm3 ; xmm0=(44 45 46 47 54 55 56 57) - punpckhdq xmm7,xmm3 ; xmm7=(64 65 66 67 74 75 76 77) - - movdqa xmm5, XMMWORD [wk(0)] ; xmm5=(02 03 12 13 22 23 32 33) - movdqa xmm3, XMMWORD [wk(1)] ; xmm3=(42 43 52 53 62 63 72 73) - movdqa XMMWORD [wk(2)], xmm4 ; wk(2)=(24 25 26 27 34 35 36 37) - movdqa XMMWORD [wk(3)], xmm0 ; wk(3)=(44 45 46 47 54 55 56 57) - - movdqa xmm4,xmm6 ; transpose coefficients(phase 2) - punpckldq xmm6,xmm5 ; xmm6=(00 01 02 03 10 11 12 13) - punpckhdq xmm4,xmm5 ; xmm4=(20 21 22 23 30 31 32 33) - movdqa xmm0,xmm1 ; transpose coefficients(phase 2) - punpckldq xmm1,xmm3 ; xmm1=(40 41 42 43 50 51 52 53) - punpckhdq xmm0,xmm3 ; xmm0=(60 61 62 63 70 71 72 73) - - movdqa xmm5,xmm6 ; transpose coefficients(phase 3) - punpcklqdq xmm6,xmm2 ; xmm6=(00 01 02 03 04 05 06 07)=data0 - punpckhqdq xmm5,xmm2 ; xmm5=(10 11 12 13 14 15 16 17)=data1 - movdqa xmm3,xmm0 ; transpose coefficients(phase 3) - punpcklqdq xmm0,xmm7 ; xmm0=(60 61 62 63 64 65 66 67)=data6 - punpckhqdq xmm3,xmm7 ; xmm3=(70 71 72 73 74 75 76 77)=data7 - - movdqa xmm2,xmm5 - movdqa xmm7,xmm6 - psubw xmm5,xmm0 ; xmm5=data1-data6=tmp6 - psubw xmm6,xmm3 ; xmm6=data0-data7=tmp7 - paddw xmm2,xmm0 ; xmm2=data1+data6=tmp1 - paddw xmm7,xmm3 ; xmm7=data0+data7=tmp0 - - movdqa xmm0, XMMWORD [wk(2)] ; xmm0=(24 25 26 27 34 35 36 37) - movdqa xmm3, XMMWORD [wk(3)] ; xmm3=(44 45 46 47 54 55 56 57) - movdqa XMMWORD [wk(0)], xmm5 ; wk(0)=tmp6 - movdqa XMMWORD [wk(1)], xmm6 ; wk(1)=tmp7 - - movdqa xmm5,xmm4 ; transpose coefficients(phase 3) - punpcklqdq xmm4,xmm0 ; xmm4=(20 21 22 23 24 25 26 27)=data2 - punpckhqdq xmm5,xmm0 ; xmm5=(30 31 32 33 34 35 36 37)=data3 - movdqa xmm6,xmm1 ; transpose coefficients(phase 3) - punpcklqdq xmm1,xmm3 ; xmm1=(40 41 42 43 44 45 46 47)=data4 - punpckhqdq xmm6,xmm3 ; xmm6=(50 51 52 53 54 55 56 57)=data5 - - movdqa xmm0,xmm5 - movdqa xmm3,xmm4 - paddw xmm5,xmm1 ; xmm5=data3+data4=tmp3 - paddw xmm4,xmm6 ; xmm4=data2+data5=tmp2 - psubw xmm0,xmm1 ; xmm0=data3-data4=tmp4 - psubw xmm3,xmm6 ; xmm3=data2-data5=tmp5 - - ; -- Even part - - movdqa xmm1,xmm7 - movdqa xmm6,xmm2 - paddw xmm7,xmm5 ; xmm7=tmp10 - paddw xmm2,xmm4 ; xmm2=tmp11 - psubw xmm1,xmm5 ; xmm1=tmp13 - psubw xmm6,xmm4 ; xmm6=tmp12 - - movdqa xmm5,xmm7 - paddw xmm7,xmm2 ; xmm7=tmp10+tmp11 - psubw xmm5,xmm2 ; xmm5=tmp10-tmp11 - - paddw xmm7,[GOTOFF(ebx,PW_DESCALE_P2X)] - paddw xmm5,[GOTOFF(ebx,PW_DESCALE_P2X)] - psraw xmm7,PASS1_BITS ; xmm7=data0 - psraw xmm5,PASS1_BITS ; xmm5=data4 - - movdqa XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_DCTELEM)], xmm7 - movdqa XMMWORD [XMMBLOCK(4,0,edx,SIZEOF_DCTELEM)], xmm5 - - ; (Original) - ; z1 = (tmp12 + tmp13) * 0.541196100; - ; data2 = z1 + tmp13 * 0.765366865; - ; data6 = z1 + tmp12 * -1.847759065; - ; - ; (This implementation) - ; data2 = tmp13 * (0.541196100 + 0.765366865) + tmp12 * 0.541196100; - ; data6 = tmp13 * 0.541196100 + tmp12 * (0.541196100 - 1.847759065); - - movdqa xmm4,xmm1 ; xmm1=tmp13 - movdqa xmm2,xmm1 - punpcklwd xmm4,xmm6 ; xmm6=tmp12 - punpckhwd xmm2,xmm6 - movdqa xmm1,xmm4 - movdqa xmm6,xmm2 - pmaddwd xmm4,[GOTOFF(ebx,PW_F130_F054)] ; xmm4=data2L - pmaddwd xmm2,[GOTOFF(ebx,PW_F130_F054)] ; xmm2=data2H - pmaddwd xmm1,[GOTOFF(ebx,PW_F054_MF130)] ; xmm1=data6L - pmaddwd xmm6,[GOTOFF(ebx,PW_F054_MF130)] ; xmm6=data6H - - paddd xmm4,[GOTOFF(ebx,PD_DESCALE_P2)] - paddd xmm2,[GOTOFF(ebx,PD_DESCALE_P2)] - psrad xmm4,DESCALE_P2 - psrad xmm2,DESCALE_P2 - paddd xmm1,[GOTOFF(ebx,PD_DESCALE_P2)] - paddd xmm6,[GOTOFF(ebx,PD_DESCALE_P2)] - psrad xmm1,DESCALE_P2 - psrad xmm6,DESCALE_P2 - - packssdw xmm4,xmm2 ; xmm4=data2 - packssdw xmm1,xmm6 ; xmm1=data6 - - movdqa XMMWORD [XMMBLOCK(2,0,edx,SIZEOF_DCTELEM)], xmm4 - movdqa XMMWORD [XMMBLOCK(6,0,edx,SIZEOF_DCTELEM)], xmm1 - - ; -- Odd part - - movdqa xmm7, XMMWORD [wk(0)] ; xmm7=tmp6 - movdqa xmm5, XMMWORD [wk(1)] ; xmm5=tmp7 - - movdqa xmm2,xmm0 ; xmm0=tmp4 - movdqa xmm6,xmm3 ; xmm3=tmp5 - paddw xmm2,xmm7 ; xmm2=z3 - paddw xmm6,xmm5 ; xmm6=z4 - - ; (Original) - ; z5 = (z3 + z4) * 1.175875602; - ; z3 = z3 * -1.961570560; z4 = z4 * -0.390180644; - ; z3 += z5; z4 += z5; - ; - ; (This implementation) - ; z3 = z3 * (1.175875602 - 1.961570560) + z4 * 1.175875602; - ; z4 = z3 * 1.175875602 + z4 * (1.175875602 - 0.390180644); - - movdqa xmm4,xmm2 - movdqa xmm1,xmm2 - punpcklwd xmm4,xmm6 - punpckhwd xmm1,xmm6 - movdqa xmm2,xmm4 - movdqa xmm6,xmm1 - pmaddwd xmm4,[GOTOFF(ebx,PW_MF078_F117)] ; xmm4=z3L - pmaddwd xmm1,[GOTOFF(ebx,PW_MF078_F117)] ; xmm1=z3H - pmaddwd xmm2,[GOTOFF(ebx,PW_F117_F078)] ; xmm2=z4L - pmaddwd xmm6,[GOTOFF(ebx,PW_F117_F078)] ; xmm6=z4H - - movdqa XMMWORD [wk(0)], xmm4 ; wk(0)=z3L - movdqa XMMWORD [wk(1)], xmm1 ; wk(1)=z3H - - ; (Original) - ; z1 = tmp4 + tmp7; z2 = tmp5 + tmp6; - ; tmp4 = tmp4 * 0.298631336; tmp5 = tmp5 * 2.053119869; - ; tmp6 = tmp6 * 3.072711026; tmp7 = tmp7 * 1.501321110; - ; z1 = z1 * -0.899976223; z2 = z2 * -2.562915447; - ; data7 = tmp4 + z1 + z3; data5 = tmp5 + z2 + z4; - ; data3 = tmp6 + z2 + z3; data1 = tmp7 + z1 + z4; - ; - ; (This implementation) - ; tmp4 = tmp4 * (0.298631336 - 0.899976223) + tmp7 * -0.899976223; - ; tmp5 = tmp5 * (2.053119869 - 2.562915447) + tmp6 * -2.562915447; - ; tmp6 = tmp5 * -2.562915447 + tmp6 * (3.072711026 - 2.562915447); - ; tmp7 = tmp4 * -0.899976223 + tmp7 * (1.501321110 - 0.899976223); - ; data7 = tmp4 + z3; data5 = tmp5 + z4; - ; data3 = tmp6 + z3; data1 = tmp7 + z4; - - movdqa xmm4,xmm0 - movdqa xmm1,xmm0 - punpcklwd xmm4,xmm5 - punpckhwd xmm1,xmm5 - movdqa xmm0,xmm4 - movdqa xmm5,xmm1 - pmaddwd xmm4,[GOTOFF(ebx,PW_MF060_MF089)] ; xmm4=tmp4L - pmaddwd xmm1,[GOTOFF(ebx,PW_MF060_MF089)] ; xmm1=tmp4H - pmaddwd xmm0,[GOTOFF(ebx,PW_MF089_F060)] ; xmm0=tmp7L - pmaddwd xmm5,[GOTOFF(ebx,PW_MF089_F060)] ; xmm5=tmp7H - - paddd xmm4, XMMWORD [wk(0)] ; xmm4=data7L - paddd xmm1, XMMWORD [wk(1)] ; xmm1=data7H - paddd xmm0,xmm2 ; xmm0=data1L - paddd xmm5,xmm6 ; xmm5=data1H - - paddd xmm4,[GOTOFF(ebx,PD_DESCALE_P2)] - paddd xmm1,[GOTOFF(ebx,PD_DESCALE_P2)] - psrad xmm4,DESCALE_P2 - psrad xmm1,DESCALE_P2 - paddd xmm0,[GOTOFF(ebx,PD_DESCALE_P2)] - paddd xmm5,[GOTOFF(ebx,PD_DESCALE_P2)] - psrad xmm0,DESCALE_P2 - psrad xmm5,DESCALE_P2 - - packssdw xmm4,xmm1 ; xmm4=data7 - packssdw xmm0,xmm5 ; xmm0=data1 - - movdqa XMMWORD [XMMBLOCK(7,0,edx,SIZEOF_DCTELEM)], xmm4 - movdqa XMMWORD [XMMBLOCK(1,0,edx,SIZEOF_DCTELEM)], xmm0 - - movdqa xmm1,xmm3 - movdqa xmm5,xmm3 - punpcklwd xmm1,xmm7 - punpckhwd xmm5,xmm7 - movdqa xmm3,xmm1 - movdqa xmm7,xmm5 - pmaddwd xmm1,[GOTOFF(ebx,PW_MF050_MF256)] ; xmm1=tmp5L - pmaddwd xmm5,[GOTOFF(ebx,PW_MF050_MF256)] ; xmm5=tmp5H - pmaddwd xmm3,[GOTOFF(ebx,PW_MF256_F050)] ; xmm3=tmp6L - pmaddwd xmm7,[GOTOFF(ebx,PW_MF256_F050)] ; xmm7=tmp6H - - paddd xmm1,xmm2 ; xmm1=data5L - paddd xmm5,xmm6 ; xmm5=data5H - paddd xmm3, XMMWORD [wk(0)] ; xmm3=data3L - paddd xmm7, XMMWORD [wk(1)] ; xmm7=data3H - - paddd xmm1,[GOTOFF(ebx,PD_DESCALE_P2)] - paddd xmm5,[GOTOFF(ebx,PD_DESCALE_P2)] - psrad xmm1,DESCALE_P2 - psrad xmm5,DESCALE_P2 - paddd xmm3,[GOTOFF(ebx,PD_DESCALE_P2)] - paddd xmm7,[GOTOFF(ebx,PD_DESCALE_P2)] - psrad xmm3,DESCALE_P2 - psrad xmm7,DESCALE_P2 - - packssdw xmm1,xmm5 ; xmm1=data5 - packssdw xmm3,xmm7 ; xmm3=data3 - - movdqa XMMWORD [XMMBLOCK(5,0,edx,SIZEOF_DCTELEM)], xmm1 - movdqa XMMWORD [XMMBLOCK(3,0,edx,SIZEOF_DCTELEM)], xmm3 - -; pop edi ; unused -; pop esi ; unused -; pop edx ; need not be preserved -; pop ecx ; unused - poppic ebx - mov esp,ebp ; esp <- aligned ebp - pop esp ; esp <- original ebp - pop ebp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jfsseflt-64.asm b/common/jpeg/simd/jfsseflt-64.asm deleted file mode 100644 index 07245d2d..00000000 --- a/common/jpeg/simd/jfsseflt-64.asm +++ /dev/null @@ -1,358 +0,0 @@ -; -; jfsseflt-64.asm - floating-point FDCT (64-bit SSE) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; Copyright 2009 D. R. Commander -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; This file contains a floating-point implementation of the forward DCT -; (Discrete Cosine Transform). The following code is based directly on -; the IJG's original jfdctflt.c; see the jfdctflt.c for more details. -; -; [TAB8] - -%include "jsimdext.inc" -%include "jdct.inc" - -; -------------------------------------------------------------------------- - -%macro unpcklps2 2 ; %1=(0 1 2 3) / %2=(4 5 6 7) => %1=(0 1 4 5) - shufps %1,%2,0x44 -%endmacro - -%macro unpckhps2 2 ; %1=(0 1 2 3) / %2=(4 5 6 7) => %1=(2 3 6 7) - shufps %1,%2,0xEE -%endmacro - -; -------------------------------------------------------------------------- - SECTION SEG_CONST - - alignz 16 - global EXTN(jconst_fdct_float_sse) - -EXTN(jconst_fdct_float_sse): - -PD_0_382 times 4 dd 0.382683432365089771728460 -PD_0_707 times 4 dd 0.707106781186547524400844 -PD_0_541 times 4 dd 0.541196100146196984399723 -PD_1_306 times 4 dd 1.306562964876376527856643 - - alignz 16 - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 64 -; -; Perform the forward DCT on one block of samples. -; -; GLOBAL(void) -; jsimd_fdct_float_sse (FAST_FLOAT * data) -; - -; r10 = FAST_FLOAT * data - -%define wk(i) rbp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM] -%define WK_NUM 2 - - align 16 - global EXTN(jsimd_fdct_float_sse) - -EXTN(jsimd_fdct_float_sse): - push rbp - mov rax,rsp ; rax = original rbp - sub rsp, byte 4 - and rsp, byte (-SIZEOF_XMMWORD) ; align to 128 bits - mov [rsp],rax - mov rbp,rsp ; rbp = aligned rbp - lea rsp, [wk(0)] - collect_args - - ; ---- Pass 1: process rows. - - mov rdx, r10 ; (FAST_FLOAT *) - mov rcx, DCTSIZE/4 -.rowloop: - - movaps xmm0, XMMWORD [XMMBLOCK(2,0,rdx,SIZEOF_FAST_FLOAT)] - movaps xmm1, XMMWORD [XMMBLOCK(3,0,rdx,SIZEOF_FAST_FLOAT)] - movaps xmm2, XMMWORD [XMMBLOCK(2,1,rdx,SIZEOF_FAST_FLOAT)] - movaps xmm3, XMMWORD [XMMBLOCK(3,1,rdx,SIZEOF_FAST_FLOAT)] - - ; xmm0=(20 21 22 23), xmm2=(24 25 26 27) - ; xmm1=(30 31 32 33), xmm3=(34 35 36 37) - - movaps xmm4,xmm0 ; transpose coefficients(phase 1) - unpcklps xmm0,xmm1 ; xmm0=(20 30 21 31) - unpckhps xmm4,xmm1 ; xmm4=(22 32 23 33) - movaps xmm5,xmm2 ; transpose coefficients(phase 1) - unpcklps xmm2,xmm3 ; xmm2=(24 34 25 35) - unpckhps xmm5,xmm3 ; xmm5=(26 36 27 37) - - movaps xmm6, XMMWORD [XMMBLOCK(0,0,rdx,SIZEOF_FAST_FLOAT)] - movaps xmm7, XMMWORD [XMMBLOCK(1,0,rdx,SIZEOF_FAST_FLOAT)] - movaps xmm1, XMMWORD [XMMBLOCK(0,1,rdx,SIZEOF_FAST_FLOAT)] - movaps xmm3, XMMWORD [XMMBLOCK(1,1,rdx,SIZEOF_FAST_FLOAT)] - - ; xmm6=(00 01 02 03), xmm1=(04 05 06 07) - ; xmm7=(10 11 12 13), xmm3=(14 15 16 17) - - movaps XMMWORD [wk(0)], xmm4 ; wk(0)=(22 32 23 33) - movaps XMMWORD [wk(1)], xmm2 ; wk(1)=(24 34 25 35) - - movaps xmm4,xmm6 ; transpose coefficients(phase 1) - unpcklps xmm6,xmm7 ; xmm6=(00 10 01 11) - unpckhps xmm4,xmm7 ; xmm4=(02 12 03 13) - movaps xmm2,xmm1 ; transpose coefficients(phase 1) - unpcklps xmm1,xmm3 ; xmm1=(04 14 05 15) - unpckhps xmm2,xmm3 ; xmm2=(06 16 07 17) - - movaps xmm7,xmm6 ; transpose coefficients(phase 2) - unpcklps2 xmm6,xmm0 ; xmm6=(00 10 20 30)=data0 - unpckhps2 xmm7,xmm0 ; xmm7=(01 11 21 31)=data1 - movaps xmm3,xmm2 ; transpose coefficients(phase 2) - unpcklps2 xmm2,xmm5 ; xmm2=(06 16 26 36)=data6 - unpckhps2 xmm3,xmm5 ; xmm3=(07 17 27 37)=data7 - - movaps xmm0,xmm7 - movaps xmm5,xmm6 - subps xmm7,xmm2 ; xmm7=data1-data6=tmp6 - subps xmm6,xmm3 ; xmm6=data0-data7=tmp7 - addps xmm0,xmm2 ; xmm0=data1+data6=tmp1 - addps xmm5,xmm3 ; xmm5=data0+data7=tmp0 - - movaps xmm2, XMMWORD [wk(0)] ; xmm2=(22 32 23 33) - movaps xmm3, XMMWORD [wk(1)] ; xmm3=(24 34 25 35) - movaps XMMWORD [wk(0)], xmm7 ; wk(0)=tmp6 - movaps XMMWORD [wk(1)], xmm6 ; wk(1)=tmp7 - - movaps xmm7,xmm4 ; transpose coefficients(phase 2) - unpcklps2 xmm4,xmm2 ; xmm4=(02 12 22 32)=data2 - unpckhps2 xmm7,xmm2 ; xmm7=(03 13 23 33)=data3 - movaps xmm6,xmm1 ; transpose coefficients(phase 2) - unpcklps2 xmm1,xmm3 ; xmm1=(04 14 24 34)=data4 - unpckhps2 xmm6,xmm3 ; xmm6=(05 15 25 35)=data5 - - movaps xmm2,xmm7 - movaps xmm3,xmm4 - addps xmm7,xmm1 ; xmm7=data3+data4=tmp3 - addps xmm4,xmm6 ; xmm4=data2+data5=tmp2 - subps xmm2,xmm1 ; xmm2=data3-data4=tmp4 - subps xmm3,xmm6 ; xmm3=data2-data5=tmp5 - - ; -- Even part - - movaps xmm1,xmm5 - movaps xmm6,xmm0 - subps xmm5,xmm7 ; xmm5=tmp13 - subps xmm0,xmm4 ; xmm0=tmp12 - addps xmm1,xmm7 ; xmm1=tmp10 - addps xmm6,xmm4 ; xmm6=tmp11 - - addps xmm0,xmm5 - mulps xmm0,[rel PD_0_707] ; xmm0=z1 - - movaps xmm7,xmm1 - movaps xmm4,xmm5 - subps xmm1,xmm6 ; xmm1=data4 - subps xmm5,xmm0 ; xmm5=data6 - addps xmm7,xmm6 ; xmm7=data0 - addps xmm4,xmm0 ; xmm4=data2 - - movaps XMMWORD [XMMBLOCK(0,1,rdx,SIZEOF_FAST_FLOAT)], xmm1 - movaps XMMWORD [XMMBLOCK(2,1,rdx,SIZEOF_FAST_FLOAT)], xmm5 - movaps XMMWORD [XMMBLOCK(0,0,rdx,SIZEOF_FAST_FLOAT)], xmm7 - movaps XMMWORD [XMMBLOCK(2,0,rdx,SIZEOF_FAST_FLOAT)], xmm4 - - ; -- Odd part - - movaps xmm6, XMMWORD [wk(0)] ; xmm6=tmp6 - movaps xmm0, XMMWORD [wk(1)] ; xmm0=tmp7 - - addps xmm2,xmm3 ; xmm2=tmp10 - addps xmm3,xmm6 ; xmm3=tmp11 - addps xmm6,xmm0 ; xmm6=tmp12, xmm0=tmp7 - - mulps xmm3,[rel PD_0_707] ; xmm3=z3 - - movaps xmm1,xmm2 ; xmm1=tmp10 - subps xmm2,xmm6 - mulps xmm2,[rel PD_0_382] ; xmm2=z5 - mulps xmm1,[rel PD_0_541] ; xmm1=MULTIPLY(tmp10,FIX_0_541196) - mulps xmm6,[rel PD_1_306] ; xmm6=MULTIPLY(tmp12,FIX_1_306562) - addps xmm1,xmm2 ; xmm1=z2 - addps xmm6,xmm2 ; xmm6=z4 - - movaps xmm5,xmm0 - subps xmm0,xmm3 ; xmm0=z13 - addps xmm5,xmm3 ; xmm5=z11 - - movaps xmm7,xmm0 - movaps xmm4,xmm5 - subps xmm0,xmm1 ; xmm0=data3 - subps xmm5,xmm6 ; xmm5=data7 - addps xmm7,xmm1 ; xmm7=data5 - addps xmm4,xmm6 ; xmm4=data1 - - movaps XMMWORD [XMMBLOCK(3,0,rdx,SIZEOF_FAST_FLOAT)], xmm0 - movaps XMMWORD [XMMBLOCK(3,1,rdx,SIZEOF_FAST_FLOAT)], xmm5 - movaps XMMWORD [XMMBLOCK(1,1,rdx,SIZEOF_FAST_FLOAT)], xmm7 - movaps XMMWORD [XMMBLOCK(1,0,rdx,SIZEOF_FAST_FLOAT)], xmm4 - - add rdx, 4*DCTSIZE*SIZEOF_FAST_FLOAT - dec rcx - jnz near .rowloop - - ; ---- Pass 2: process columns. - - mov rdx, r10 ; (FAST_FLOAT *) - mov rcx, DCTSIZE/4 -.columnloop: - - movaps xmm0, XMMWORD [XMMBLOCK(2,0,rdx,SIZEOF_FAST_FLOAT)] - movaps xmm1, XMMWORD [XMMBLOCK(3,0,rdx,SIZEOF_FAST_FLOAT)] - movaps xmm2, XMMWORD [XMMBLOCK(6,0,rdx,SIZEOF_FAST_FLOAT)] - movaps xmm3, XMMWORD [XMMBLOCK(7,0,rdx,SIZEOF_FAST_FLOAT)] - - ; xmm0=(02 12 22 32), xmm2=(42 52 62 72) - ; xmm1=(03 13 23 33), xmm3=(43 53 63 73) - - movaps xmm4,xmm0 ; transpose coefficients(phase 1) - unpcklps xmm0,xmm1 ; xmm0=(02 03 12 13) - unpckhps xmm4,xmm1 ; xmm4=(22 23 32 33) - movaps xmm5,xmm2 ; transpose coefficients(phase 1) - unpcklps xmm2,xmm3 ; xmm2=(42 43 52 53) - unpckhps xmm5,xmm3 ; xmm5=(62 63 72 73) - - movaps xmm6, XMMWORD [XMMBLOCK(0,0,rdx,SIZEOF_FAST_FLOAT)] - movaps xmm7, XMMWORD [XMMBLOCK(1,0,rdx,SIZEOF_FAST_FLOAT)] - movaps xmm1, XMMWORD [XMMBLOCK(4,0,rdx,SIZEOF_FAST_FLOAT)] - movaps xmm3, XMMWORD [XMMBLOCK(5,0,rdx,SIZEOF_FAST_FLOAT)] - - ; xmm6=(00 10 20 30), xmm1=(40 50 60 70) - ; xmm7=(01 11 21 31), xmm3=(41 51 61 71) - - movaps XMMWORD [wk(0)], xmm4 ; wk(0)=(22 23 32 33) - movaps XMMWORD [wk(1)], xmm2 ; wk(1)=(42 43 52 53) - - movaps xmm4,xmm6 ; transpose coefficients(phase 1) - unpcklps xmm6,xmm7 ; xmm6=(00 01 10 11) - unpckhps xmm4,xmm7 ; xmm4=(20 21 30 31) - movaps xmm2,xmm1 ; transpose coefficients(phase 1) - unpcklps xmm1,xmm3 ; xmm1=(40 41 50 51) - unpckhps xmm2,xmm3 ; xmm2=(60 61 70 71) - - movaps xmm7,xmm6 ; transpose coefficients(phase 2) - unpcklps2 xmm6,xmm0 ; xmm6=(00 01 02 03)=data0 - unpckhps2 xmm7,xmm0 ; xmm7=(10 11 12 13)=data1 - movaps xmm3,xmm2 ; transpose coefficients(phase 2) - unpcklps2 xmm2,xmm5 ; xmm2=(60 61 62 63)=data6 - unpckhps2 xmm3,xmm5 ; xmm3=(70 71 72 73)=data7 - - movaps xmm0,xmm7 - movaps xmm5,xmm6 - subps xmm7,xmm2 ; xmm7=data1-data6=tmp6 - subps xmm6,xmm3 ; xmm6=data0-data7=tmp7 - addps xmm0,xmm2 ; xmm0=data1+data6=tmp1 - addps xmm5,xmm3 ; xmm5=data0+data7=tmp0 - - movaps xmm2, XMMWORD [wk(0)] ; xmm2=(22 23 32 33) - movaps xmm3, XMMWORD [wk(1)] ; xmm3=(42 43 52 53) - movaps XMMWORD [wk(0)], xmm7 ; wk(0)=tmp6 - movaps XMMWORD [wk(1)], xmm6 ; wk(1)=tmp7 - - movaps xmm7,xmm4 ; transpose coefficients(phase 2) - unpcklps2 xmm4,xmm2 ; xmm4=(20 21 22 23)=data2 - unpckhps2 xmm7,xmm2 ; xmm7=(30 31 32 33)=data3 - movaps xmm6,xmm1 ; transpose coefficients(phase 2) - unpcklps2 xmm1,xmm3 ; xmm1=(40 41 42 43)=data4 - unpckhps2 xmm6,xmm3 ; xmm6=(50 51 52 53)=data5 - - movaps xmm2,xmm7 - movaps xmm3,xmm4 - addps xmm7,xmm1 ; xmm7=data3+data4=tmp3 - addps xmm4,xmm6 ; xmm4=data2+data5=tmp2 - subps xmm2,xmm1 ; xmm2=data3-data4=tmp4 - subps xmm3,xmm6 ; xmm3=data2-data5=tmp5 - - ; -- Even part - - movaps xmm1,xmm5 - movaps xmm6,xmm0 - subps xmm5,xmm7 ; xmm5=tmp13 - subps xmm0,xmm4 ; xmm0=tmp12 - addps xmm1,xmm7 ; xmm1=tmp10 - addps xmm6,xmm4 ; xmm6=tmp11 - - addps xmm0,xmm5 - mulps xmm0,[rel PD_0_707] ; xmm0=z1 - - movaps xmm7,xmm1 - movaps xmm4,xmm5 - subps xmm1,xmm6 ; xmm1=data4 - subps xmm5,xmm0 ; xmm5=data6 - addps xmm7,xmm6 ; xmm7=data0 - addps xmm4,xmm0 ; xmm4=data2 - - movaps XMMWORD [XMMBLOCK(4,0,rdx,SIZEOF_FAST_FLOAT)], xmm1 - movaps XMMWORD [XMMBLOCK(6,0,rdx,SIZEOF_FAST_FLOAT)], xmm5 - movaps XMMWORD [XMMBLOCK(0,0,rdx,SIZEOF_FAST_FLOAT)], xmm7 - movaps XMMWORD [XMMBLOCK(2,0,rdx,SIZEOF_FAST_FLOAT)], xmm4 - - ; -- Odd part - - movaps xmm6, XMMWORD [wk(0)] ; xmm6=tmp6 - movaps xmm0, XMMWORD [wk(1)] ; xmm0=tmp7 - - addps xmm2,xmm3 ; xmm2=tmp10 - addps xmm3,xmm6 ; xmm3=tmp11 - addps xmm6,xmm0 ; xmm6=tmp12, xmm0=tmp7 - - mulps xmm3,[rel PD_0_707] ; xmm3=z3 - - movaps xmm1,xmm2 ; xmm1=tmp10 - subps xmm2,xmm6 - mulps xmm2,[rel PD_0_382] ; xmm2=z5 - mulps xmm1,[rel PD_0_541] ; xmm1=MULTIPLY(tmp10,FIX_0_541196) - mulps xmm6,[rel PD_1_306] ; xmm6=MULTIPLY(tmp12,FIX_1_306562) - addps xmm1,xmm2 ; xmm1=z2 - addps xmm6,xmm2 ; xmm6=z4 - - movaps xmm5,xmm0 - subps xmm0,xmm3 ; xmm0=z13 - addps xmm5,xmm3 ; xmm5=z11 - - movaps xmm7,xmm0 - movaps xmm4,xmm5 - subps xmm0,xmm1 ; xmm0=data3 - subps xmm5,xmm6 ; xmm5=data7 - addps xmm7,xmm1 ; xmm7=data5 - addps xmm4,xmm6 ; xmm4=data1 - - movaps XMMWORD [XMMBLOCK(3,0,rdx,SIZEOF_FAST_FLOAT)], xmm0 - movaps XMMWORD [XMMBLOCK(7,0,rdx,SIZEOF_FAST_FLOAT)], xmm5 - movaps XMMWORD [XMMBLOCK(5,0,rdx,SIZEOF_FAST_FLOAT)], xmm7 - movaps XMMWORD [XMMBLOCK(1,0,rdx,SIZEOF_FAST_FLOAT)], xmm4 - - add rdx, byte 4*SIZEOF_FAST_FLOAT - dec rcx - jnz near .columnloop - - uncollect_args - mov rsp,rbp ; rsp <- aligned rbp - pop rsp ; rsp <- original rbp - pop rbp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jfsseflt.asm b/common/jpeg/simd/jfsseflt.asm deleted file mode 100644 index bc54cccd..00000000 --- a/common/jpeg/simd/jfsseflt.asm +++ /dev/null @@ -1,370 +0,0 @@ -; -; jfsseflt.asm - floating-point FDCT (SSE) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; This file contains a floating-point implementation of the forward DCT -; (Discrete Cosine Transform). The following code is based directly on -; the IJG's original jfdctflt.c; see the jfdctflt.c for more details. -; -; [TAB8] - -%include "jsimdext.inc" -%include "jdct.inc" - -; -------------------------------------------------------------------------- - -%macro unpcklps2 2 ; %1=(0 1 2 3) / %2=(4 5 6 7) => %1=(0 1 4 5) - shufps %1,%2,0x44 -%endmacro - -%macro unpckhps2 2 ; %1=(0 1 2 3) / %2=(4 5 6 7) => %1=(2 3 6 7) - shufps %1,%2,0xEE -%endmacro - -; -------------------------------------------------------------------------- - SECTION SEG_CONST - - alignz 16 - global EXTN(jconst_fdct_float_sse) - -EXTN(jconst_fdct_float_sse): - -PD_0_382 times 4 dd 0.382683432365089771728460 -PD_0_707 times 4 dd 0.707106781186547524400844 -PD_0_541 times 4 dd 0.541196100146196984399723 -PD_1_306 times 4 dd 1.306562964876376527856643 - - alignz 16 - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 32 -; -; Perform the forward DCT on one block of samples. -; -; GLOBAL(void) -; jsimd_fdct_float_sse (FAST_FLOAT * data) -; - -%define data(b) (b)+8 ; FAST_FLOAT * data - -%define original_ebp ebp+0 -%define wk(i) ebp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM] -%define WK_NUM 2 - - align 16 - global EXTN(jsimd_fdct_float_sse) - -EXTN(jsimd_fdct_float_sse): - push ebp - mov eax,esp ; eax = original ebp - sub esp, byte 4 - and esp, byte (-SIZEOF_XMMWORD) ; align to 128 bits - mov [esp],eax - mov ebp,esp ; ebp = aligned ebp - lea esp, [wk(0)] - pushpic ebx -; push ecx ; need not be preserved -; push edx ; need not be preserved -; push esi ; unused -; push edi ; unused - - get_GOT ebx ; get GOT address - - ; ---- Pass 1: process rows. - - mov edx, POINTER [data(eax)] ; (FAST_FLOAT *) - mov ecx, DCTSIZE/4 - alignx 16,7 -.rowloop: - - movaps xmm0, XMMWORD [XMMBLOCK(2,0,edx,SIZEOF_FAST_FLOAT)] - movaps xmm1, XMMWORD [XMMBLOCK(3,0,edx,SIZEOF_FAST_FLOAT)] - movaps xmm2, XMMWORD [XMMBLOCK(2,1,edx,SIZEOF_FAST_FLOAT)] - movaps xmm3, XMMWORD [XMMBLOCK(3,1,edx,SIZEOF_FAST_FLOAT)] - - ; xmm0=(20 21 22 23), xmm2=(24 25 26 27) - ; xmm1=(30 31 32 33), xmm3=(34 35 36 37) - - movaps xmm4,xmm0 ; transpose coefficients(phase 1) - unpcklps xmm0,xmm1 ; xmm0=(20 30 21 31) - unpckhps xmm4,xmm1 ; xmm4=(22 32 23 33) - movaps xmm5,xmm2 ; transpose coefficients(phase 1) - unpcklps xmm2,xmm3 ; xmm2=(24 34 25 35) - unpckhps xmm5,xmm3 ; xmm5=(26 36 27 37) - - movaps xmm6, XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_FAST_FLOAT)] - movaps xmm7, XMMWORD [XMMBLOCK(1,0,edx,SIZEOF_FAST_FLOAT)] - movaps xmm1, XMMWORD [XMMBLOCK(0,1,edx,SIZEOF_FAST_FLOAT)] - movaps xmm3, XMMWORD [XMMBLOCK(1,1,edx,SIZEOF_FAST_FLOAT)] - - ; xmm6=(00 01 02 03), xmm1=(04 05 06 07) - ; xmm7=(10 11 12 13), xmm3=(14 15 16 17) - - movaps XMMWORD [wk(0)], xmm4 ; wk(0)=(22 32 23 33) - movaps XMMWORD [wk(1)], xmm2 ; wk(1)=(24 34 25 35) - - movaps xmm4,xmm6 ; transpose coefficients(phase 1) - unpcklps xmm6,xmm7 ; xmm6=(00 10 01 11) - unpckhps xmm4,xmm7 ; xmm4=(02 12 03 13) - movaps xmm2,xmm1 ; transpose coefficients(phase 1) - unpcklps xmm1,xmm3 ; xmm1=(04 14 05 15) - unpckhps xmm2,xmm3 ; xmm2=(06 16 07 17) - - movaps xmm7,xmm6 ; transpose coefficients(phase 2) - unpcklps2 xmm6,xmm0 ; xmm6=(00 10 20 30)=data0 - unpckhps2 xmm7,xmm0 ; xmm7=(01 11 21 31)=data1 - movaps xmm3,xmm2 ; transpose coefficients(phase 2) - unpcklps2 xmm2,xmm5 ; xmm2=(06 16 26 36)=data6 - unpckhps2 xmm3,xmm5 ; xmm3=(07 17 27 37)=data7 - - movaps xmm0,xmm7 - movaps xmm5,xmm6 - subps xmm7,xmm2 ; xmm7=data1-data6=tmp6 - subps xmm6,xmm3 ; xmm6=data0-data7=tmp7 - addps xmm0,xmm2 ; xmm0=data1+data6=tmp1 - addps xmm5,xmm3 ; xmm5=data0+data7=tmp0 - - movaps xmm2, XMMWORD [wk(0)] ; xmm2=(22 32 23 33) - movaps xmm3, XMMWORD [wk(1)] ; xmm3=(24 34 25 35) - movaps XMMWORD [wk(0)], xmm7 ; wk(0)=tmp6 - movaps XMMWORD [wk(1)], xmm6 ; wk(1)=tmp7 - - movaps xmm7,xmm4 ; transpose coefficients(phase 2) - unpcklps2 xmm4,xmm2 ; xmm4=(02 12 22 32)=data2 - unpckhps2 xmm7,xmm2 ; xmm7=(03 13 23 33)=data3 - movaps xmm6,xmm1 ; transpose coefficients(phase 2) - unpcklps2 xmm1,xmm3 ; xmm1=(04 14 24 34)=data4 - unpckhps2 xmm6,xmm3 ; xmm6=(05 15 25 35)=data5 - - movaps xmm2,xmm7 - movaps xmm3,xmm4 - addps xmm7,xmm1 ; xmm7=data3+data4=tmp3 - addps xmm4,xmm6 ; xmm4=data2+data5=tmp2 - subps xmm2,xmm1 ; xmm2=data3-data4=tmp4 - subps xmm3,xmm6 ; xmm3=data2-data5=tmp5 - - ; -- Even part - - movaps xmm1,xmm5 - movaps xmm6,xmm0 - subps xmm5,xmm7 ; xmm5=tmp13 - subps xmm0,xmm4 ; xmm0=tmp12 - addps xmm1,xmm7 ; xmm1=tmp10 - addps xmm6,xmm4 ; xmm6=tmp11 - - addps xmm0,xmm5 - mulps xmm0,[GOTOFF(ebx,PD_0_707)] ; xmm0=z1 - - movaps xmm7,xmm1 - movaps xmm4,xmm5 - subps xmm1,xmm6 ; xmm1=data4 - subps xmm5,xmm0 ; xmm5=data6 - addps xmm7,xmm6 ; xmm7=data0 - addps xmm4,xmm0 ; xmm4=data2 - - movaps XMMWORD [XMMBLOCK(0,1,edx,SIZEOF_FAST_FLOAT)], xmm1 - movaps XMMWORD [XMMBLOCK(2,1,edx,SIZEOF_FAST_FLOAT)], xmm5 - movaps XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_FAST_FLOAT)], xmm7 - movaps XMMWORD [XMMBLOCK(2,0,edx,SIZEOF_FAST_FLOAT)], xmm4 - - ; -- Odd part - - movaps xmm6, XMMWORD [wk(0)] ; xmm6=tmp6 - movaps xmm0, XMMWORD [wk(1)] ; xmm0=tmp7 - - addps xmm2,xmm3 ; xmm2=tmp10 - addps xmm3,xmm6 ; xmm3=tmp11 - addps xmm6,xmm0 ; xmm6=tmp12, xmm0=tmp7 - - mulps xmm3,[GOTOFF(ebx,PD_0_707)] ; xmm3=z3 - - movaps xmm1,xmm2 ; xmm1=tmp10 - subps xmm2,xmm6 - mulps xmm2,[GOTOFF(ebx,PD_0_382)] ; xmm2=z5 - mulps xmm1,[GOTOFF(ebx,PD_0_541)] ; xmm1=MULTIPLY(tmp10,FIX_0_541196) - mulps xmm6,[GOTOFF(ebx,PD_1_306)] ; xmm6=MULTIPLY(tmp12,FIX_1_306562) - addps xmm1,xmm2 ; xmm1=z2 - addps xmm6,xmm2 ; xmm6=z4 - - movaps xmm5,xmm0 - subps xmm0,xmm3 ; xmm0=z13 - addps xmm5,xmm3 ; xmm5=z11 - - movaps xmm7,xmm0 - movaps xmm4,xmm5 - subps xmm0,xmm1 ; xmm0=data3 - subps xmm5,xmm6 ; xmm5=data7 - addps xmm7,xmm1 ; xmm7=data5 - addps xmm4,xmm6 ; xmm4=data1 - - movaps XMMWORD [XMMBLOCK(3,0,edx,SIZEOF_FAST_FLOAT)], xmm0 - movaps XMMWORD [XMMBLOCK(3,1,edx,SIZEOF_FAST_FLOAT)], xmm5 - movaps XMMWORD [XMMBLOCK(1,1,edx,SIZEOF_FAST_FLOAT)], xmm7 - movaps XMMWORD [XMMBLOCK(1,0,edx,SIZEOF_FAST_FLOAT)], xmm4 - - add edx, 4*DCTSIZE*SIZEOF_FAST_FLOAT - dec ecx - jnz near .rowloop - - ; ---- Pass 2: process columns. - - mov edx, POINTER [data(eax)] ; (FAST_FLOAT *) - mov ecx, DCTSIZE/4 - alignx 16,7 -.columnloop: - - movaps xmm0, XMMWORD [XMMBLOCK(2,0,edx,SIZEOF_FAST_FLOAT)] - movaps xmm1, XMMWORD [XMMBLOCK(3,0,edx,SIZEOF_FAST_FLOAT)] - movaps xmm2, XMMWORD [XMMBLOCK(6,0,edx,SIZEOF_FAST_FLOAT)] - movaps xmm3, XMMWORD [XMMBLOCK(7,0,edx,SIZEOF_FAST_FLOAT)] - - ; xmm0=(02 12 22 32), xmm2=(42 52 62 72) - ; xmm1=(03 13 23 33), xmm3=(43 53 63 73) - - movaps xmm4,xmm0 ; transpose coefficients(phase 1) - unpcklps xmm0,xmm1 ; xmm0=(02 03 12 13) - unpckhps xmm4,xmm1 ; xmm4=(22 23 32 33) - movaps xmm5,xmm2 ; transpose coefficients(phase 1) - unpcklps xmm2,xmm3 ; xmm2=(42 43 52 53) - unpckhps xmm5,xmm3 ; xmm5=(62 63 72 73) - - movaps xmm6, XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_FAST_FLOAT)] - movaps xmm7, XMMWORD [XMMBLOCK(1,0,edx,SIZEOF_FAST_FLOAT)] - movaps xmm1, XMMWORD [XMMBLOCK(4,0,edx,SIZEOF_FAST_FLOAT)] - movaps xmm3, XMMWORD [XMMBLOCK(5,0,edx,SIZEOF_FAST_FLOAT)] - - ; xmm6=(00 10 20 30), xmm1=(40 50 60 70) - ; xmm7=(01 11 21 31), xmm3=(41 51 61 71) - - movaps XMMWORD [wk(0)], xmm4 ; wk(0)=(22 23 32 33) - movaps XMMWORD [wk(1)], xmm2 ; wk(1)=(42 43 52 53) - - movaps xmm4,xmm6 ; transpose coefficients(phase 1) - unpcklps xmm6,xmm7 ; xmm6=(00 01 10 11) - unpckhps xmm4,xmm7 ; xmm4=(20 21 30 31) - movaps xmm2,xmm1 ; transpose coefficients(phase 1) - unpcklps xmm1,xmm3 ; xmm1=(40 41 50 51) - unpckhps xmm2,xmm3 ; xmm2=(60 61 70 71) - - movaps xmm7,xmm6 ; transpose coefficients(phase 2) - unpcklps2 xmm6,xmm0 ; xmm6=(00 01 02 03)=data0 - unpckhps2 xmm7,xmm0 ; xmm7=(10 11 12 13)=data1 - movaps xmm3,xmm2 ; transpose coefficients(phase 2) - unpcklps2 xmm2,xmm5 ; xmm2=(60 61 62 63)=data6 - unpckhps2 xmm3,xmm5 ; xmm3=(70 71 72 73)=data7 - - movaps xmm0,xmm7 - movaps xmm5,xmm6 - subps xmm7,xmm2 ; xmm7=data1-data6=tmp6 - subps xmm6,xmm3 ; xmm6=data0-data7=tmp7 - addps xmm0,xmm2 ; xmm0=data1+data6=tmp1 - addps xmm5,xmm3 ; xmm5=data0+data7=tmp0 - - movaps xmm2, XMMWORD [wk(0)] ; xmm2=(22 23 32 33) - movaps xmm3, XMMWORD [wk(1)] ; xmm3=(42 43 52 53) - movaps XMMWORD [wk(0)], xmm7 ; wk(0)=tmp6 - movaps XMMWORD [wk(1)], xmm6 ; wk(1)=tmp7 - - movaps xmm7,xmm4 ; transpose coefficients(phase 2) - unpcklps2 xmm4,xmm2 ; xmm4=(20 21 22 23)=data2 - unpckhps2 xmm7,xmm2 ; xmm7=(30 31 32 33)=data3 - movaps xmm6,xmm1 ; transpose coefficients(phase 2) - unpcklps2 xmm1,xmm3 ; xmm1=(40 41 42 43)=data4 - unpckhps2 xmm6,xmm3 ; xmm6=(50 51 52 53)=data5 - - movaps xmm2,xmm7 - movaps xmm3,xmm4 - addps xmm7,xmm1 ; xmm7=data3+data4=tmp3 - addps xmm4,xmm6 ; xmm4=data2+data5=tmp2 - subps xmm2,xmm1 ; xmm2=data3-data4=tmp4 - subps xmm3,xmm6 ; xmm3=data2-data5=tmp5 - - ; -- Even part - - movaps xmm1,xmm5 - movaps xmm6,xmm0 - subps xmm5,xmm7 ; xmm5=tmp13 - subps xmm0,xmm4 ; xmm0=tmp12 - addps xmm1,xmm7 ; xmm1=tmp10 - addps xmm6,xmm4 ; xmm6=tmp11 - - addps xmm0,xmm5 - mulps xmm0,[GOTOFF(ebx,PD_0_707)] ; xmm0=z1 - - movaps xmm7,xmm1 - movaps xmm4,xmm5 - subps xmm1,xmm6 ; xmm1=data4 - subps xmm5,xmm0 ; xmm5=data6 - addps xmm7,xmm6 ; xmm7=data0 - addps xmm4,xmm0 ; xmm4=data2 - - movaps XMMWORD [XMMBLOCK(4,0,edx,SIZEOF_FAST_FLOAT)], xmm1 - movaps XMMWORD [XMMBLOCK(6,0,edx,SIZEOF_FAST_FLOAT)], xmm5 - movaps XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_FAST_FLOAT)], xmm7 - movaps XMMWORD [XMMBLOCK(2,0,edx,SIZEOF_FAST_FLOAT)], xmm4 - - ; -- Odd part - - movaps xmm6, XMMWORD [wk(0)] ; xmm6=tmp6 - movaps xmm0, XMMWORD [wk(1)] ; xmm0=tmp7 - - addps xmm2,xmm3 ; xmm2=tmp10 - addps xmm3,xmm6 ; xmm3=tmp11 - addps xmm6,xmm0 ; xmm6=tmp12, xmm0=tmp7 - - mulps xmm3,[GOTOFF(ebx,PD_0_707)] ; xmm3=z3 - - movaps xmm1,xmm2 ; xmm1=tmp10 - subps xmm2,xmm6 - mulps xmm2,[GOTOFF(ebx,PD_0_382)] ; xmm2=z5 - mulps xmm1,[GOTOFF(ebx,PD_0_541)] ; xmm1=MULTIPLY(tmp10,FIX_0_541196) - mulps xmm6,[GOTOFF(ebx,PD_1_306)] ; xmm6=MULTIPLY(tmp12,FIX_1_306562) - addps xmm1,xmm2 ; xmm1=z2 - addps xmm6,xmm2 ; xmm6=z4 - - movaps xmm5,xmm0 - subps xmm0,xmm3 ; xmm0=z13 - addps xmm5,xmm3 ; xmm5=z11 - - movaps xmm7,xmm0 - movaps xmm4,xmm5 - subps xmm0,xmm1 ; xmm0=data3 - subps xmm5,xmm6 ; xmm5=data7 - addps xmm7,xmm1 ; xmm7=data5 - addps xmm4,xmm6 ; xmm4=data1 - - movaps XMMWORD [XMMBLOCK(3,0,edx,SIZEOF_FAST_FLOAT)], xmm0 - movaps XMMWORD [XMMBLOCK(7,0,edx,SIZEOF_FAST_FLOAT)], xmm5 - movaps XMMWORD [XMMBLOCK(5,0,edx,SIZEOF_FAST_FLOAT)], xmm7 - movaps XMMWORD [XMMBLOCK(1,0,edx,SIZEOF_FAST_FLOAT)], xmm4 - - add edx, byte 4*SIZEOF_FAST_FLOAT - dec ecx - jnz near .columnloop - -; pop edi ; unused -; pop esi ; unused -; pop edx ; need not be preserved -; pop ecx ; need not be preserved - poppic ebx - mov esp,ebp ; esp <- aligned ebp - pop esp ; esp <- original ebp - pop ebp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/ji3dnflt.asm b/common/jpeg/simd/ji3dnflt.asm deleted file mode 100644 index dc2076f4..00000000 --- a/common/jpeg/simd/ji3dnflt.asm +++ /dev/null @@ -1,452 +0,0 @@ -; -; ji3dnflt.asm - floating-point IDCT (3DNow! & MMX) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; This file contains a floating-point implementation of the inverse DCT -; (Discrete Cosine Transform). The following code is based directly on -; the IJG's original jidctflt.c; see the jidctflt.c for more details. -; -; [TAB8] - -%include "jsimdext.inc" -%include "jdct.inc" - -; -------------------------------------------------------------------------- - SECTION SEG_CONST - - alignz 16 - global EXTN(jconst_idct_float_3dnow) - -EXTN(jconst_idct_float_3dnow): - -PD_1_414 times 2 dd 1.414213562373095048801689 -PD_1_847 times 2 dd 1.847759065022573512256366 -PD_1_082 times 2 dd 1.082392200292393968799446 -PD_2_613 times 2 dd 2.613125929752753055713286 -PD_RNDINT_MAGIC times 2 dd 100663296.0 ; (float)(0x00C00000 << 3) -PB_CENTERJSAMP times 8 db CENTERJSAMPLE - - alignz 16 - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 32 -; -; Perform dequantization and inverse DCT on one block of coefficients. -; -; GLOBAL(void) -; jsimd_idct_float_3dnow (void * dct_table, JCOEFPTR coef_block, -; JSAMPARRAY output_buf, JDIMENSION output_col) -; - -%define dct_table(b) (b)+8 ; void * dct_table -%define coef_block(b) (b)+12 ; JCOEFPTR coef_block -%define output_buf(b) (b)+16 ; JSAMPARRAY output_buf -%define output_col(b) (b)+20 ; JDIMENSION output_col - -%define original_ebp ebp+0 -%define wk(i) ebp-(WK_NUM-(i))*SIZEOF_MMWORD ; mmword wk[WK_NUM] -%define WK_NUM 2 -%define workspace wk(0)-DCTSIZE2*SIZEOF_FAST_FLOAT - ; FAST_FLOAT workspace[DCTSIZE2] - - align 16 - global EXTN(jsimd_idct_float_3dnow) - -EXTN(jsimd_idct_float_3dnow): - push ebp - mov eax,esp ; eax = original ebp - sub esp, byte 4 - and esp, byte (-SIZEOF_MMWORD) ; align to 64 bits - mov [esp],eax - mov ebp,esp ; ebp = aligned ebp - lea esp, [workspace] - push ebx -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - get_GOT ebx ; get GOT address - - ; ---- Pass 1: process columns from input, store into work array. - -; mov eax, [original_ebp] - mov edx, POINTER [dct_table(eax)] ; quantptr - mov esi, JCOEFPTR [coef_block(eax)] ; inptr - lea edi, [workspace] ; FAST_FLOAT * wsptr - mov ecx, DCTSIZE/2 ; ctr - alignx 16,7 -.columnloop: -%ifndef NO_ZERO_COLUMN_TEST_FLOAT_3DNOW - mov eax, DWORD [DWBLOCK(1,0,esi,SIZEOF_JCOEF)] - or eax, DWORD [DWBLOCK(2,0,esi,SIZEOF_JCOEF)] - jnz short .columnDCT - - pushpic ebx ; save GOT address - mov ebx, DWORD [DWBLOCK(3,0,esi,SIZEOF_JCOEF)] - mov eax, DWORD [DWBLOCK(4,0,esi,SIZEOF_JCOEF)] - or ebx, DWORD [DWBLOCK(5,0,esi,SIZEOF_JCOEF)] - or eax, DWORD [DWBLOCK(6,0,esi,SIZEOF_JCOEF)] - or ebx, DWORD [DWBLOCK(7,0,esi,SIZEOF_JCOEF)] - or eax,ebx - poppic ebx ; restore GOT address - jnz short .columnDCT - - ; -- AC terms all zero - - movd mm0, DWORD [DWBLOCK(0,0,esi,SIZEOF_JCOEF)] - - punpcklwd mm0,mm0 - psrad mm0,(DWORD_BIT-WORD_BIT) - pi2fd mm0,mm0 - - pfmul mm0, MMWORD [MMBLOCK(0,0,edx,SIZEOF_FLOAT_MULT_TYPE)] - - movq mm1,mm0 - punpckldq mm0,mm0 - punpckhdq mm1,mm1 - - movq MMWORD [MMBLOCK(0,0,edi,SIZEOF_FAST_FLOAT)], mm0 - movq MMWORD [MMBLOCK(0,1,edi,SIZEOF_FAST_FLOAT)], mm0 - movq MMWORD [MMBLOCK(0,2,edi,SIZEOF_FAST_FLOAT)], mm0 - movq MMWORD [MMBLOCK(0,3,edi,SIZEOF_FAST_FLOAT)], mm0 - movq MMWORD [MMBLOCK(1,0,edi,SIZEOF_FAST_FLOAT)], mm1 - movq MMWORD [MMBLOCK(1,1,edi,SIZEOF_FAST_FLOAT)], mm1 - movq MMWORD [MMBLOCK(1,2,edi,SIZEOF_FAST_FLOAT)], mm1 - movq MMWORD [MMBLOCK(1,3,edi,SIZEOF_FAST_FLOAT)], mm1 - jmp near .nextcolumn - alignx 16,7 -%endif -.columnDCT: - - ; -- Even part - - movd mm0, DWORD [DWBLOCK(0,0,esi,SIZEOF_JCOEF)] - movd mm1, DWORD [DWBLOCK(2,0,esi,SIZEOF_JCOEF)] - movd mm2, DWORD [DWBLOCK(4,0,esi,SIZEOF_JCOEF)] - movd mm3, DWORD [DWBLOCK(6,0,esi,SIZEOF_JCOEF)] - - punpcklwd mm0,mm0 - punpcklwd mm1,mm1 - psrad mm0,(DWORD_BIT-WORD_BIT) - psrad mm1,(DWORD_BIT-WORD_BIT) - pi2fd mm0,mm0 - pi2fd mm1,mm1 - - pfmul mm0, MMWORD [MMBLOCK(0,0,edx,SIZEOF_FLOAT_MULT_TYPE)] - pfmul mm1, MMWORD [MMBLOCK(2,0,edx,SIZEOF_FLOAT_MULT_TYPE)] - - punpcklwd mm2,mm2 - punpcklwd mm3,mm3 - psrad mm2,(DWORD_BIT-WORD_BIT) - psrad mm3,(DWORD_BIT-WORD_BIT) - pi2fd mm2,mm2 - pi2fd mm3,mm3 - - pfmul mm2, MMWORD [MMBLOCK(4,0,edx,SIZEOF_FLOAT_MULT_TYPE)] - pfmul mm3, MMWORD [MMBLOCK(6,0,edx,SIZEOF_FLOAT_MULT_TYPE)] - - movq mm4,mm0 - movq mm5,mm1 - pfsub mm0,mm2 ; mm0=tmp11 - pfsub mm1,mm3 - pfadd mm4,mm2 ; mm4=tmp10 - pfadd mm5,mm3 ; mm5=tmp13 - - pfmul mm1,[GOTOFF(ebx,PD_1_414)] - pfsub mm1,mm5 ; mm1=tmp12 - - movq mm6,mm4 - movq mm7,mm0 - pfsub mm4,mm5 ; mm4=tmp3 - pfsub mm0,mm1 ; mm0=tmp2 - pfadd mm6,mm5 ; mm6=tmp0 - pfadd mm7,mm1 ; mm7=tmp1 - - movq MMWORD [wk(1)], mm4 ; tmp3 - movq MMWORD [wk(0)], mm0 ; tmp2 - - ; -- Odd part - - movd mm2, DWORD [DWBLOCK(1,0,esi,SIZEOF_JCOEF)] - movd mm3, DWORD [DWBLOCK(3,0,esi,SIZEOF_JCOEF)] - movd mm5, DWORD [DWBLOCK(5,0,esi,SIZEOF_JCOEF)] - movd mm1, DWORD [DWBLOCK(7,0,esi,SIZEOF_JCOEF)] - - punpcklwd mm2,mm2 - punpcklwd mm3,mm3 - psrad mm2,(DWORD_BIT-WORD_BIT) - psrad mm3,(DWORD_BIT-WORD_BIT) - pi2fd mm2,mm2 - pi2fd mm3,mm3 - - pfmul mm2, MMWORD [MMBLOCK(1,0,edx,SIZEOF_FLOAT_MULT_TYPE)] - pfmul mm3, MMWORD [MMBLOCK(3,0,edx,SIZEOF_FLOAT_MULT_TYPE)] - - punpcklwd mm5,mm5 - punpcklwd mm1,mm1 - psrad mm5,(DWORD_BIT-WORD_BIT) - psrad mm1,(DWORD_BIT-WORD_BIT) - pi2fd mm5,mm5 - pi2fd mm1,mm1 - - pfmul mm5, MMWORD [MMBLOCK(5,0,edx,SIZEOF_FLOAT_MULT_TYPE)] - pfmul mm1, MMWORD [MMBLOCK(7,0,edx,SIZEOF_FLOAT_MULT_TYPE)] - - movq mm4,mm2 - movq mm0,mm5 - pfadd mm2,mm1 ; mm2=z11 - pfadd mm5,mm3 ; mm5=z13 - pfsub mm4,mm1 ; mm4=z12 - pfsub mm0,mm3 ; mm0=z10 - - movq mm1,mm2 - pfsub mm2,mm5 - pfadd mm1,mm5 ; mm1=tmp7 - - pfmul mm2,[GOTOFF(ebx,PD_1_414)] ; mm2=tmp11 - - movq mm3,mm0 - pfadd mm0,mm4 - pfmul mm0,[GOTOFF(ebx,PD_1_847)] ; mm0=z5 - pfmul mm3,[GOTOFF(ebx,PD_2_613)] ; mm3=(z10 * 2.613125930) - pfmul mm4,[GOTOFF(ebx,PD_1_082)] ; mm4=(z12 * 1.082392200) - pfsubr mm3,mm0 ; mm3=tmp12 - pfsub mm4,mm0 ; mm4=tmp10 - - ; -- Final output stage - - pfsub mm3,mm1 ; mm3=tmp6 - movq mm5,mm6 - movq mm0,mm7 - pfadd mm6,mm1 ; mm6=data0=(00 01) - pfadd mm7,mm3 ; mm7=data1=(10 11) - pfsub mm5,mm1 ; mm5=data7=(70 71) - pfsub mm0,mm3 ; mm0=data6=(60 61) - pfsub mm2,mm3 ; mm2=tmp5 - - movq mm1,mm6 ; transpose coefficients - punpckldq mm6,mm7 ; mm6=(00 10) - punpckhdq mm1,mm7 ; mm1=(01 11) - movq mm3,mm0 ; transpose coefficients - punpckldq mm0,mm5 ; mm0=(60 70) - punpckhdq mm3,mm5 ; mm3=(61 71) - - movq MMWORD [MMBLOCK(0,0,edi,SIZEOF_FAST_FLOAT)], mm6 - movq MMWORD [MMBLOCK(1,0,edi,SIZEOF_FAST_FLOAT)], mm1 - movq MMWORD [MMBLOCK(0,3,edi,SIZEOF_FAST_FLOAT)], mm0 - movq MMWORD [MMBLOCK(1,3,edi,SIZEOF_FAST_FLOAT)], mm3 - - movq mm7, MMWORD [wk(0)] ; mm7=tmp2 - movq mm5, MMWORD [wk(1)] ; mm5=tmp3 - - pfadd mm4,mm2 ; mm4=tmp4 - movq mm6,mm7 - movq mm1,mm5 - pfadd mm7,mm2 ; mm7=data2=(20 21) - pfadd mm5,mm4 ; mm5=data4=(40 41) - pfsub mm6,mm2 ; mm6=data5=(50 51) - pfsub mm1,mm4 ; mm1=data3=(30 31) - - movq mm0,mm7 ; transpose coefficients - punpckldq mm7,mm1 ; mm7=(20 30) - punpckhdq mm0,mm1 ; mm0=(21 31) - movq mm3,mm5 ; transpose coefficients - punpckldq mm5,mm6 ; mm5=(40 50) - punpckhdq mm3,mm6 ; mm3=(41 51) - - movq MMWORD [MMBLOCK(0,1,edi,SIZEOF_FAST_FLOAT)], mm7 - movq MMWORD [MMBLOCK(1,1,edi,SIZEOF_FAST_FLOAT)], mm0 - movq MMWORD [MMBLOCK(0,2,edi,SIZEOF_FAST_FLOAT)], mm5 - movq MMWORD [MMBLOCK(1,2,edi,SIZEOF_FAST_FLOAT)], mm3 - -.nextcolumn: - add esi, byte 2*SIZEOF_JCOEF ; coef_block - add edx, byte 2*SIZEOF_FLOAT_MULT_TYPE ; quantptr - add edi, byte 2*DCTSIZE*SIZEOF_FAST_FLOAT ; wsptr - dec ecx ; ctr - jnz near .columnloop - - ; -- Prefetch the next coefficient block - - prefetch [esi + (DCTSIZE2-8)*SIZEOF_JCOEF + 0*32] - prefetch [esi + (DCTSIZE2-8)*SIZEOF_JCOEF + 1*32] - prefetch [esi + (DCTSIZE2-8)*SIZEOF_JCOEF + 2*32] - prefetch [esi + (DCTSIZE2-8)*SIZEOF_JCOEF + 3*32] - - ; ---- Pass 2: process rows from work array, store into output array. - - mov eax, [original_ebp] - lea esi, [workspace] ; FAST_FLOAT * wsptr - mov edi, JSAMPARRAY [output_buf(eax)] ; (JSAMPROW *) - mov eax, JDIMENSION [output_col(eax)] - mov ecx, DCTSIZE/2 ; ctr - alignx 16,7 -.rowloop: - - ; -- Even part - - movq mm0, MMWORD [MMBLOCK(0,0,esi,SIZEOF_FAST_FLOAT)] - movq mm1, MMWORD [MMBLOCK(2,0,esi,SIZEOF_FAST_FLOAT)] - movq mm2, MMWORD [MMBLOCK(4,0,esi,SIZEOF_FAST_FLOAT)] - movq mm3, MMWORD [MMBLOCK(6,0,esi,SIZEOF_FAST_FLOAT)] - - movq mm4,mm0 - movq mm5,mm1 - pfsub mm0,mm2 ; mm0=tmp11 - pfsub mm1,mm3 - pfadd mm4,mm2 ; mm4=tmp10 - pfadd mm5,mm3 ; mm5=tmp13 - - pfmul mm1,[GOTOFF(ebx,PD_1_414)] - pfsub mm1,mm5 ; mm1=tmp12 - - movq mm6,mm4 - movq mm7,mm0 - pfsub mm4,mm5 ; mm4=tmp3 - pfsub mm0,mm1 ; mm0=tmp2 - pfadd mm6,mm5 ; mm6=tmp0 - pfadd mm7,mm1 ; mm7=tmp1 - - movq MMWORD [wk(1)], mm4 ; tmp3 - movq MMWORD [wk(0)], mm0 ; tmp2 - - ; -- Odd part - - movq mm2, MMWORD [MMBLOCK(1,0,esi,SIZEOF_FAST_FLOAT)] - movq mm3, MMWORD [MMBLOCK(3,0,esi,SIZEOF_FAST_FLOAT)] - movq mm5, MMWORD [MMBLOCK(5,0,esi,SIZEOF_FAST_FLOAT)] - movq mm1, MMWORD [MMBLOCK(7,0,esi,SIZEOF_FAST_FLOAT)] - - movq mm4,mm2 - movq mm0,mm5 - pfadd mm2,mm1 ; mm2=z11 - pfadd mm5,mm3 ; mm5=z13 - pfsub mm4,mm1 ; mm4=z12 - pfsub mm0,mm3 ; mm0=z10 - - movq mm1,mm2 - pfsub mm2,mm5 - pfadd mm1,mm5 ; mm1=tmp7 - - pfmul mm2,[GOTOFF(ebx,PD_1_414)] ; mm2=tmp11 - - movq mm3,mm0 - pfadd mm0,mm4 - pfmul mm0,[GOTOFF(ebx,PD_1_847)] ; mm0=z5 - pfmul mm3,[GOTOFF(ebx,PD_2_613)] ; mm3=(z10 * 2.613125930) - pfmul mm4,[GOTOFF(ebx,PD_1_082)] ; mm4=(z12 * 1.082392200) - pfsubr mm3,mm0 ; mm3=tmp12 - pfsub mm4,mm0 ; mm4=tmp10 - - ; -- Final output stage - - pfsub mm3,mm1 ; mm3=tmp6 - movq mm5,mm6 - movq mm0,mm7 - pfadd mm6,mm1 ; mm6=data0=(00 10) - pfadd mm7,mm3 ; mm7=data1=(01 11) - pfsub mm5,mm1 ; mm5=data7=(07 17) - pfsub mm0,mm3 ; mm0=data6=(06 16) - pfsub mm2,mm3 ; mm2=tmp5 - - movq mm1,[GOTOFF(ebx,PD_RNDINT_MAGIC)] ; mm1=[PD_RNDINT_MAGIC] - pcmpeqd mm3,mm3 - psrld mm3,WORD_BIT ; mm3={0xFFFF 0x0000 0xFFFF 0x0000} - - pfadd mm6,mm1 ; mm6=roundint(data0/8)=(00 ** 10 **) - pfadd mm7,mm1 ; mm7=roundint(data1/8)=(01 ** 11 **) - pfadd mm0,mm1 ; mm0=roundint(data6/8)=(06 ** 16 **) - pfadd mm5,mm1 ; mm5=roundint(data7/8)=(07 ** 17 **) - - pand mm6,mm3 ; mm6=(00 -- 10 --) - pslld mm7,WORD_BIT ; mm7=(-- 01 -- 11) - pand mm0,mm3 ; mm0=(06 -- 16 --) - pslld mm5,WORD_BIT ; mm5=(-- 07 -- 17) - por mm6,mm7 ; mm6=(00 01 10 11) - por mm0,mm5 ; mm0=(06 07 16 17) - - movq mm1, MMWORD [wk(0)] ; mm1=tmp2 - movq mm3, MMWORD [wk(1)] ; mm3=tmp3 - - pfadd mm4,mm2 ; mm4=tmp4 - movq mm7,mm1 - movq mm5,mm3 - pfadd mm1,mm2 ; mm1=data2=(02 12) - pfadd mm3,mm4 ; mm3=data4=(04 14) - pfsub mm7,mm2 ; mm7=data5=(05 15) - pfsub mm5,mm4 ; mm5=data3=(03 13) - - movq mm2,[GOTOFF(ebx,PD_RNDINT_MAGIC)] ; mm2=[PD_RNDINT_MAGIC] - pcmpeqd mm4,mm4 - psrld mm4,WORD_BIT ; mm4={0xFFFF 0x0000 0xFFFF 0x0000} - - pfadd mm3,mm2 ; mm3=roundint(data4/8)=(04 ** 14 **) - pfadd mm7,mm2 ; mm7=roundint(data5/8)=(05 ** 15 **) - pfadd mm1,mm2 ; mm1=roundint(data2/8)=(02 ** 12 **) - pfadd mm5,mm2 ; mm5=roundint(data3/8)=(03 ** 13 **) - - pand mm3,mm4 ; mm3=(04 -- 14 --) - pslld mm7,WORD_BIT ; mm7=(-- 05 -- 15) - pand mm1,mm4 ; mm1=(02 -- 12 --) - pslld mm5,WORD_BIT ; mm5=(-- 03 -- 13) - por mm3,mm7 ; mm3=(04 05 14 15) - por mm1,mm5 ; mm1=(02 03 12 13) - - movq mm2,[GOTOFF(ebx,PB_CENTERJSAMP)] ; mm2=[PB_CENTERJSAMP] - - packsswb mm6,mm3 ; mm6=(00 01 10 11 04 05 14 15) - packsswb mm1,mm0 ; mm1=(02 03 12 13 06 07 16 17) - paddb mm6,mm2 - paddb mm1,mm2 - - movq mm4,mm6 ; transpose coefficients(phase 2) - punpcklwd mm6,mm1 ; mm6=(00 01 02 03 10 11 12 13) - punpckhwd mm4,mm1 ; mm4=(04 05 06 07 14 15 16 17) - - movq mm7,mm6 ; transpose coefficients(phase 3) - punpckldq mm6,mm4 ; mm6=(00 01 02 03 04 05 06 07) - punpckhdq mm7,mm4 ; mm7=(10 11 12 13 14 15 16 17) - - pushpic ebx ; save GOT address - - mov edx, JSAMPROW [edi+0*SIZEOF_JSAMPROW] - mov ebx, JSAMPROW [edi+1*SIZEOF_JSAMPROW] - movq MMWORD [edx+eax*SIZEOF_JSAMPLE], mm6 - movq MMWORD [ebx+eax*SIZEOF_JSAMPLE], mm7 - - poppic ebx ; restore GOT address - - add esi, byte 2*SIZEOF_FAST_FLOAT ; wsptr - add edi, byte 2*SIZEOF_JSAMPROW - dec ecx ; ctr - jnz near .rowloop - - femms ; empty MMX/3DNow! state - - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved - pop ebx - mov esp,ebp ; esp <- aligned ebp - pop esp ; esp <- original ebp - pop ebp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jimmxfst.asm b/common/jpeg/simd/jimmxfst.asm deleted file mode 100644 index 3b055727..00000000 --- a/common/jpeg/simd/jimmxfst.asm +++ /dev/null @@ -1,500 +0,0 @@ -; -; jimmxfst.asm - fast integer IDCT (MMX) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; This file contains a fast, not so accurate integer implementation of -; the inverse DCT (Discrete Cosine Transform). The following code is -; based directly on the IJG's original jidctfst.c; see the jidctfst.c -; for more details. -; -; [TAB8] - -%include "jsimdext.inc" -%include "jdct.inc" - -; -------------------------------------------------------------------------- - -%define CONST_BITS 8 ; 14 is also OK. -%define PASS1_BITS 2 - -%if IFAST_SCALE_BITS != PASS1_BITS -%error "'IFAST_SCALE_BITS' must be equal to 'PASS1_BITS'." -%endif - -%if CONST_BITS == 8 -F_1_082 equ 277 ; FIX(1.082392200) -F_1_414 equ 362 ; FIX(1.414213562) -F_1_847 equ 473 ; FIX(1.847759065) -F_2_613 equ 669 ; FIX(2.613125930) -F_1_613 equ (F_2_613 - 256) ; FIX(2.613125930) - FIX(1) -%else -; NASM cannot do compile-time arithmetic on floating-point constants. -%define DESCALE(x,n) (((x)+(1<<((n)-1)))>>(n)) -F_1_082 equ DESCALE(1162209775,30-CONST_BITS) ; FIX(1.082392200) -F_1_414 equ DESCALE(1518500249,30-CONST_BITS) ; FIX(1.414213562) -F_1_847 equ DESCALE(1984016188,30-CONST_BITS) ; FIX(1.847759065) -F_2_613 equ DESCALE(2805822602,30-CONST_BITS) ; FIX(2.613125930) -F_1_613 equ (F_2_613 - (1 << CONST_BITS)) ; FIX(2.613125930) - FIX(1) -%endif - -; -------------------------------------------------------------------------- - SECTION SEG_CONST - -; PRE_MULTIPLY_SCALE_BITS <= 2 (to avoid overflow) -; CONST_BITS + CONST_SHIFT + PRE_MULTIPLY_SCALE_BITS == 16 (for pmulhw) - -%define PRE_MULTIPLY_SCALE_BITS 2 -%define CONST_SHIFT (16 - PRE_MULTIPLY_SCALE_BITS - CONST_BITS) - - alignz 16 - global EXTN(jconst_idct_ifast_mmx) - -EXTN(jconst_idct_ifast_mmx): - -PW_F1414 times 4 dw F_1_414 << CONST_SHIFT -PW_F1847 times 4 dw F_1_847 << CONST_SHIFT -PW_MF1613 times 4 dw -F_1_613 << CONST_SHIFT -PW_F1082 times 4 dw F_1_082 << CONST_SHIFT -PB_CENTERJSAMP times 8 db CENTERJSAMPLE - - alignz 16 - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 32 -; -; Perform dequantization and inverse DCT on one block of coefficients. -; -; GLOBAL(void) -; jsimd_idct_ifast_mmx (void * dct_table, JCOEFPTR coef_block, -; JSAMPARRAY output_buf, JDIMENSION output_col) -; - -%define dct_table(b) (b)+8 ; jpeg_component_info * compptr -%define coef_block(b) (b)+12 ; JCOEFPTR coef_block -%define output_buf(b) (b)+16 ; JSAMPARRAY output_buf -%define output_col(b) (b)+20 ; JDIMENSION output_col - -%define original_ebp ebp+0 -%define wk(i) ebp-(WK_NUM-(i))*SIZEOF_MMWORD ; mmword wk[WK_NUM] -%define WK_NUM 2 -%define workspace wk(0)-DCTSIZE2*SIZEOF_JCOEF - ; JCOEF workspace[DCTSIZE2] - - align 16 - global EXTN(jsimd_idct_ifast_mmx) - -EXTN(jsimd_idct_ifast_mmx): - push ebp - mov eax,esp ; eax = original ebp - sub esp, byte 4 - and esp, byte (-SIZEOF_MMWORD) ; align to 64 bits - mov [esp],eax - mov ebp,esp ; ebp = aligned ebp - lea esp, [workspace] - push ebx -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - get_GOT ebx ; get GOT address - - ; ---- Pass 1: process columns from input, store into work array. - -; mov eax, [original_ebp] - mov edx, POINTER [dct_table(eax)] ; quantptr - mov esi, JCOEFPTR [coef_block(eax)] ; inptr - lea edi, [workspace] ; JCOEF * wsptr - mov ecx, DCTSIZE/4 ; ctr - alignx 16,7 -.columnloop: -%ifndef NO_ZERO_COLUMN_TEST_IFAST_MMX - mov eax, DWORD [DWBLOCK(1,0,esi,SIZEOF_JCOEF)] - or eax, DWORD [DWBLOCK(2,0,esi,SIZEOF_JCOEF)] - jnz short .columnDCT - - movq mm0, MMWORD [MMBLOCK(1,0,esi,SIZEOF_JCOEF)] - movq mm1, MMWORD [MMBLOCK(2,0,esi,SIZEOF_JCOEF)] - por mm0, MMWORD [MMBLOCK(3,0,esi,SIZEOF_JCOEF)] - por mm1, MMWORD [MMBLOCK(4,0,esi,SIZEOF_JCOEF)] - por mm0, MMWORD [MMBLOCK(5,0,esi,SIZEOF_JCOEF)] - por mm1, MMWORD [MMBLOCK(6,0,esi,SIZEOF_JCOEF)] - por mm0, MMWORD [MMBLOCK(7,0,esi,SIZEOF_JCOEF)] - por mm1,mm0 - packsswb mm1,mm1 - movd eax,mm1 - test eax,eax - jnz short .columnDCT - - ; -- AC terms all zero - - movq mm0, MMWORD [MMBLOCK(0,0,esi,SIZEOF_JCOEF)] - pmullw mm0, MMWORD [MMBLOCK(0,0,edx,SIZEOF_IFAST_MULT_TYPE)] - - movq mm2,mm0 ; mm0=in0=(00 01 02 03) - punpcklwd mm0,mm0 ; mm0=(00 00 01 01) - punpckhwd mm2,mm2 ; mm2=(02 02 03 03) - - movq mm1,mm0 - punpckldq mm0,mm0 ; mm0=(00 00 00 00) - punpckhdq mm1,mm1 ; mm1=(01 01 01 01) - movq mm3,mm2 - punpckldq mm2,mm2 ; mm2=(02 02 02 02) - punpckhdq mm3,mm3 ; mm3=(03 03 03 03) - - movq MMWORD [MMBLOCK(0,0,edi,SIZEOF_JCOEF)], mm0 - movq MMWORD [MMBLOCK(0,1,edi,SIZEOF_JCOEF)], mm0 - movq MMWORD [MMBLOCK(1,0,edi,SIZEOF_JCOEF)], mm1 - movq MMWORD [MMBLOCK(1,1,edi,SIZEOF_JCOEF)], mm1 - movq MMWORD [MMBLOCK(2,0,edi,SIZEOF_JCOEF)], mm2 - movq MMWORD [MMBLOCK(2,1,edi,SIZEOF_JCOEF)], mm2 - movq MMWORD [MMBLOCK(3,0,edi,SIZEOF_JCOEF)], mm3 - movq MMWORD [MMBLOCK(3,1,edi,SIZEOF_JCOEF)], mm3 - jmp near .nextcolumn - alignx 16,7 -%endif -.columnDCT: - - ; -- Even part - - movq mm0, MMWORD [MMBLOCK(0,0,esi,SIZEOF_JCOEF)] - movq mm1, MMWORD [MMBLOCK(2,0,esi,SIZEOF_JCOEF)] - pmullw mm0, MMWORD [MMBLOCK(0,0,edx,SIZEOF_IFAST_MULT_TYPE)] - pmullw mm1, MMWORD [MMBLOCK(2,0,edx,SIZEOF_IFAST_MULT_TYPE)] - movq mm2, MMWORD [MMBLOCK(4,0,esi,SIZEOF_JCOEF)] - movq mm3, MMWORD [MMBLOCK(6,0,esi,SIZEOF_JCOEF)] - pmullw mm2, MMWORD [MMBLOCK(4,0,edx,SIZEOF_IFAST_MULT_TYPE)] - pmullw mm3, MMWORD [MMBLOCK(6,0,edx,SIZEOF_IFAST_MULT_TYPE)] - - movq mm4,mm0 - movq mm5,mm1 - psubw mm0,mm2 ; mm0=tmp11 - psubw mm1,mm3 - paddw mm4,mm2 ; mm4=tmp10 - paddw mm5,mm3 ; mm5=tmp13 - - psllw mm1,PRE_MULTIPLY_SCALE_BITS - pmulhw mm1,[GOTOFF(ebx,PW_F1414)] - psubw mm1,mm5 ; mm1=tmp12 - - movq mm6,mm4 - movq mm7,mm0 - psubw mm4,mm5 ; mm4=tmp3 - psubw mm0,mm1 ; mm0=tmp2 - paddw mm6,mm5 ; mm6=tmp0 - paddw mm7,mm1 ; mm7=tmp1 - - movq MMWORD [wk(1)], mm4 ; wk(1)=tmp3 - movq MMWORD [wk(0)], mm0 ; wk(0)=tmp2 - - ; -- Odd part - - movq mm2, MMWORD [MMBLOCK(1,0,esi,SIZEOF_JCOEF)] - movq mm3, MMWORD [MMBLOCK(3,0,esi,SIZEOF_JCOEF)] - pmullw mm2, MMWORD [MMBLOCK(1,0,edx,SIZEOF_IFAST_MULT_TYPE)] - pmullw mm3, MMWORD [MMBLOCK(3,0,edx,SIZEOF_IFAST_MULT_TYPE)] - movq mm5, MMWORD [MMBLOCK(5,0,esi,SIZEOF_JCOEF)] - movq mm1, MMWORD [MMBLOCK(7,0,esi,SIZEOF_JCOEF)] - pmullw mm5, MMWORD [MMBLOCK(5,0,edx,SIZEOF_IFAST_MULT_TYPE)] - pmullw mm1, MMWORD [MMBLOCK(7,0,edx,SIZEOF_IFAST_MULT_TYPE)] - - movq mm4,mm2 - movq mm0,mm5 - psubw mm2,mm1 ; mm2=z12 - psubw mm5,mm3 ; mm5=z10 - paddw mm4,mm1 ; mm4=z11 - paddw mm0,mm3 ; mm0=z13 - - movq mm1,mm5 ; mm1=z10(unscaled) - psllw mm2,PRE_MULTIPLY_SCALE_BITS - psllw mm5,PRE_MULTIPLY_SCALE_BITS - - movq mm3,mm4 - psubw mm4,mm0 - paddw mm3,mm0 ; mm3=tmp7 - - psllw mm4,PRE_MULTIPLY_SCALE_BITS - pmulhw mm4,[GOTOFF(ebx,PW_F1414)] ; mm4=tmp11 - - ; To avoid overflow... - ; - ; (Original) - ; tmp12 = -2.613125930 * z10 + z5; - ; - ; (This implementation) - ; tmp12 = (-1.613125930 - 1) * z10 + z5; - ; = -1.613125930 * z10 - z10 + z5; - - movq mm0,mm5 - paddw mm5,mm2 - pmulhw mm5,[GOTOFF(ebx,PW_F1847)] ; mm5=z5 - pmulhw mm0,[GOTOFF(ebx,PW_MF1613)] - pmulhw mm2,[GOTOFF(ebx,PW_F1082)] - psubw mm0,mm1 - psubw mm2,mm5 ; mm2=tmp10 - paddw mm0,mm5 ; mm0=tmp12 - - ; -- Final output stage - - psubw mm0,mm3 ; mm0=tmp6 - movq mm1,mm6 - movq mm5,mm7 - paddw mm6,mm3 ; mm6=data0=(00 01 02 03) - paddw mm7,mm0 ; mm7=data1=(10 11 12 13) - psubw mm1,mm3 ; mm1=data7=(70 71 72 73) - psubw mm5,mm0 ; mm5=data6=(60 61 62 63) - psubw mm4,mm0 ; mm4=tmp5 - - movq mm3,mm6 ; transpose coefficients(phase 1) - punpcklwd mm6,mm7 ; mm6=(00 10 01 11) - punpckhwd mm3,mm7 ; mm3=(02 12 03 13) - movq mm0,mm5 ; transpose coefficients(phase 1) - punpcklwd mm5,mm1 ; mm5=(60 70 61 71) - punpckhwd mm0,mm1 ; mm0=(62 72 63 73) - - movq mm7, MMWORD [wk(0)] ; mm7=tmp2 - movq mm1, MMWORD [wk(1)] ; mm1=tmp3 - - movq MMWORD [wk(0)], mm5 ; wk(0)=(60 70 61 71) - movq MMWORD [wk(1)], mm0 ; wk(1)=(62 72 63 73) - - paddw mm2,mm4 ; mm2=tmp4 - movq mm5,mm7 - movq mm0,mm1 - paddw mm7,mm4 ; mm7=data2=(20 21 22 23) - paddw mm1,mm2 ; mm1=data4=(40 41 42 43) - psubw mm5,mm4 ; mm5=data5=(50 51 52 53) - psubw mm0,mm2 ; mm0=data3=(30 31 32 33) - - movq mm4,mm7 ; transpose coefficients(phase 1) - punpcklwd mm7,mm0 ; mm7=(20 30 21 31) - punpckhwd mm4,mm0 ; mm4=(22 32 23 33) - movq mm2,mm1 ; transpose coefficients(phase 1) - punpcklwd mm1,mm5 ; mm1=(40 50 41 51) - punpckhwd mm2,mm5 ; mm2=(42 52 43 53) - - movq mm0,mm6 ; transpose coefficients(phase 2) - punpckldq mm6,mm7 ; mm6=(00 10 20 30) - punpckhdq mm0,mm7 ; mm0=(01 11 21 31) - movq mm5,mm3 ; transpose coefficients(phase 2) - punpckldq mm3,mm4 ; mm3=(02 12 22 32) - punpckhdq mm5,mm4 ; mm5=(03 13 23 33) - - movq mm7, MMWORD [wk(0)] ; mm7=(60 70 61 71) - movq mm4, MMWORD [wk(1)] ; mm4=(62 72 63 73) - - movq MMWORD [MMBLOCK(0,0,edi,SIZEOF_JCOEF)], mm6 - movq MMWORD [MMBLOCK(1,0,edi,SIZEOF_JCOEF)], mm0 - movq MMWORD [MMBLOCK(2,0,edi,SIZEOF_JCOEF)], mm3 - movq MMWORD [MMBLOCK(3,0,edi,SIZEOF_JCOEF)], mm5 - - movq mm6,mm1 ; transpose coefficients(phase 2) - punpckldq mm1,mm7 ; mm1=(40 50 60 70) - punpckhdq mm6,mm7 ; mm6=(41 51 61 71) - movq mm0,mm2 ; transpose coefficients(phase 2) - punpckldq mm2,mm4 ; mm2=(42 52 62 72) - punpckhdq mm0,mm4 ; mm0=(43 53 63 73) - - movq MMWORD [MMBLOCK(0,1,edi,SIZEOF_JCOEF)], mm1 - movq MMWORD [MMBLOCK(1,1,edi,SIZEOF_JCOEF)], mm6 - movq MMWORD [MMBLOCK(2,1,edi,SIZEOF_JCOEF)], mm2 - movq MMWORD [MMBLOCK(3,1,edi,SIZEOF_JCOEF)], mm0 - -.nextcolumn: - add esi, byte 4*SIZEOF_JCOEF ; coef_block - add edx, byte 4*SIZEOF_IFAST_MULT_TYPE ; quantptr - add edi, byte 4*DCTSIZE*SIZEOF_JCOEF ; wsptr - dec ecx ; ctr - jnz near .columnloop - - ; ---- Pass 2: process rows from work array, store into output array. - - mov eax, [original_ebp] - lea esi, [workspace] ; JCOEF * wsptr - mov edi, JSAMPARRAY [output_buf(eax)] ; (JSAMPROW *) - mov eax, JDIMENSION [output_col(eax)] - mov ecx, DCTSIZE/4 ; ctr - alignx 16,7 -.rowloop: - - ; -- Even part - - movq mm0, MMWORD [MMBLOCK(0,0,esi,SIZEOF_JCOEF)] - movq mm1, MMWORD [MMBLOCK(2,0,esi,SIZEOF_JCOEF)] - movq mm2, MMWORD [MMBLOCK(4,0,esi,SIZEOF_JCOEF)] - movq mm3, MMWORD [MMBLOCK(6,0,esi,SIZEOF_JCOEF)] - - movq mm4,mm0 - movq mm5,mm1 - psubw mm0,mm2 ; mm0=tmp11 - psubw mm1,mm3 - paddw mm4,mm2 ; mm4=tmp10 - paddw mm5,mm3 ; mm5=tmp13 - - psllw mm1,PRE_MULTIPLY_SCALE_BITS - pmulhw mm1,[GOTOFF(ebx,PW_F1414)] - psubw mm1,mm5 ; mm1=tmp12 - - movq mm6,mm4 - movq mm7,mm0 - psubw mm4,mm5 ; mm4=tmp3 - psubw mm0,mm1 ; mm0=tmp2 - paddw mm6,mm5 ; mm6=tmp0 - paddw mm7,mm1 ; mm7=tmp1 - - movq MMWORD [wk(1)], mm4 ; wk(1)=tmp3 - movq MMWORD [wk(0)], mm0 ; wk(0)=tmp2 - - ; -- Odd part - - movq mm2, MMWORD [MMBLOCK(1,0,esi,SIZEOF_JCOEF)] - movq mm3, MMWORD [MMBLOCK(3,0,esi,SIZEOF_JCOEF)] - movq mm5, MMWORD [MMBLOCK(5,0,esi,SIZEOF_JCOEF)] - movq mm1, MMWORD [MMBLOCK(7,0,esi,SIZEOF_JCOEF)] - - movq mm4,mm2 - movq mm0,mm5 - psubw mm2,mm1 ; mm2=z12 - psubw mm5,mm3 ; mm5=z10 - paddw mm4,mm1 ; mm4=z11 - paddw mm0,mm3 ; mm0=z13 - - movq mm1,mm5 ; mm1=z10(unscaled) - psllw mm2,PRE_MULTIPLY_SCALE_BITS - psllw mm5,PRE_MULTIPLY_SCALE_BITS - - movq mm3,mm4 - psubw mm4,mm0 - paddw mm3,mm0 ; mm3=tmp7 - - psllw mm4,PRE_MULTIPLY_SCALE_BITS - pmulhw mm4,[GOTOFF(ebx,PW_F1414)] ; mm4=tmp11 - - ; To avoid overflow... - ; - ; (Original) - ; tmp12 = -2.613125930 * z10 + z5; - ; - ; (This implementation) - ; tmp12 = (-1.613125930 - 1) * z10 + z5; - ; = -1.613125930 * z10 - z10 + z5; - - movq mm0,mm5 - paddw mm5,mm2 - pmulhw mm5,[GOTOFF(ebx,PW_F1847)] ; mm5=z5 - pmulhw mm0,[GOTOFF(ebx,PW_MF1613)] - pmulhw mm2,[GOTOFF(ebx,PW_F1082)] - psubw mm0,mm1 - psubw mm2,mm5 ; mm2=tmp10 - paddw mm0,mm5 ; mm0=tmp12 - - ; -- Final output stage - - psubw mm0,mm3 ; mm0=tmp6 - movq mm1,mm6 - movq mm5,mm7 - paddw mm6,mm3 ; mm6=data0=(00 10 20 30) - paddw mm7,mm0 ; mm7=data1=(01 11 21 31) - psraw mm6,(PASS1_BITS+3) ; descale - psraw mm7,(PASS1_BITS+3) ; descale - psubw mm1,mm3 ; mm1=data7=(07 17 27 37) - psubw mm5,mm0 ; mm5=data6=(06 16 26 36) - psraw mm1,(PASS1_BITS+3) ; descale - psraw mm5,(PASS1_BITS+3) ; descale - psubw mm4,mm0 ; mm4=tmp5 - - packsswb mm6,mm5 ; mm6=(00 10 20 30 06 16 26 36) - packsswb mm7,mm1 ; mm7=(01 11 21 31 07 17 27 37) - - movq mm3, MMWORD [wk(0)] ; mm3=tmp2 - movq mm0, MMWORD [wk(1)] ; mm0=tmp3 - - paddw mm2,mm4 ; mm2=tmp4 - movq mm5,mm3 - movq mm1,mm0 - paddw mm3,mm4 ; mm3=data2=(02 12 22 32) - paddw mm0,mm2 ; mm0=data4=(04 14 24 34) - psraw mm3,(PASS1_BITS+3) ; descale - psraw mm0,(PASS1_BITS+3) ; descale - psubw mm5,mm4 ; mm5=data5=(05 15 25 35) - psubw mm1,mm2 ; mm1=data3=(03 13 23 33) - psraw mm5,(PASS1_BITS+3) ; descale - psraw mm1,(PASS1_BITS+3) ; descale - - movq mm4,[GOTOFF(ebx,PB_CENTERJSAMP)] ; mm4=[PB_CENTERJSAMP] - - packsswb mm3,mm0 ; mm3=(02 12 22 32 04 14 24 34) - packsswb mm1,mm5 ; mm1=(03 13 23 33 05 15 25 35) - - paddb mm6,mm4 - paddb mm7,mm4 - paddb mm3,mm4 - paddb mm1,mm4 - - movq mm2,mm6 ; transpose coefficients(phase 1) - punpcklbw mm6,mm7 ; mm6=(00 01 10 11 20 21 30 31) - punpckhbw mm2,mm7 ; mm2=(06 07 16 17 26 27 36 37) - movq mm0,mm3 ; transpose coefficients(phase 1) - punpcklbw mm3,mm1 ; mm3=(02 03 12 13 22 23 32 33) - punpckhbw mm0,mm1 ; mm0=(04 05 14 15 24 25 34 35) - - movq mm5,mm6 ; transpose coefficients(phase 2) - punpcklwd mm6,mm3 ; mm6=(00 01 02 03 10 11 12 13) - punpckhwd mm5,mm3 ; mm5=(20 21 22 23 30 31 32 33) - movq mm4,mm0 ; transpose coefficients(phase 2) - punpcklwd mm0,mm2 ; mm0=(04 05 06 07 14 15 16 17) - punpckhwd mm4,mm2 ; mm4=(24 25 26 27 34 35 36 37) - - movq mm7,mm6 ; transpose coefficients(phase 3) - punpckldq mm6,mm0 ; mm6=(00 01 02 03 04 05 06 07) - punpckhdq mm7,mm0 ; mm7=(10 11 12 13 14 15 16 17) - movq mm1,mm5 ; transpose coefficients(phase 3) - punpckldq mm5,mm4 ; mm5=(20 21 22 23 24 25 26 27) - punpckhdq mm1,mm4 ; mm1=(30 31 32 33 34 35 36 37) - - pushpic ebx ; save GOT address - - mov edx, JSAMPROW [edi+0*SIZEOF_JSAMPROW] - mov ebx, JSAMPROW [edi+1*SIZEOF_JSAMPROW] - movq MMWORD [edx+eax*SIZEOF_JSAMPLE], mm6 - movq MMWORD [ebx+eax*SIZEOF_JSAMPLE], mm7 - mov edx, JSAMPROW [edi+2*SIZEOF_JSAMPROW] - mov ebx, JSAMPROW [edi+3*SIZEOF_JSAMPROW] - movq MMWORD [edx+eax*SIZEOF_JSAMPLE], mm5 - movq MMWORD [ebx+eax*SIZEOF_JSAMPLE], mm1 - - poppic ebx ; restore GOT address - - add esi, byte 4*SIZEOF_JCOEF ; wsptr - add edi, byte 4*SIZEOF_JSAMPROW - dec ecx ; ctr - jnz near .rowloop - - emms ; empty MMX state - - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved - pop ebx - mov esp,ebp ; esp <- aligned ebp - pop esp ; esp <- original ebp - pop ebp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jimmxint.asm b/common/jpeg/simd/jimmxint.asm deleted file mode 100644 index 7b52fae3..00000000 --- a/common/jpeg/simd/jimmxint.asm +++ /dev/null @@ -1,852 +0,0 @@ -; -; jimmxint.asm - accurate integer IDCT (MMX) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; This file contains a slow-but-accurate integer implementation of the -; inverse DCT (Discrete Cosine Transform). The following code is based -; directly on the IJG's original jidctint.c; see the jidctint.c for -; more details. -; -; [TAB8] - -%include "jsimdext.inc" -%include "jdct.inc" - -; -------------------------------------------------------------------------- - -%define CONST_BITS 13 -%define PASS1_BITS 2 - -%define DESCALE_P1 (CONST_BITS-PASS1_BITS) -%define DESCALE_P2 (CONST_BITS+PASS1_BITS+3) - -%if CONST_BITS == 13 -F_0_298 equ 2446 ; FIX(0.298631336) -F_0_390 equ 3196 ; FIX(0.390180644) -F_0_541 equ 4433 ; FIX(0.541196100) -F_0_765 equ 6270 ; FIX(0.765366865) -F_0_899 equ 7373 ; FIX(0.899976223) -F_1_175 equ 9633 ; FIX(1.175875602) -F_1_501 equ 12299 ; FIX(1.501321110) -F_1_847 equ 15137 ; FIX(1.847759065) -F_1_961 equ 16069 ; FIX(1.961570560) -F_2_053 equ 16819 ; FIX(2.053119869) -F_2_562 equ 20995 ; FIX(2.562915447) -F_3_072 equ 25172 ; FIX(3.072711026) -%else -; NASM cannot do compile-time arithmetic on floating-point constants. -%define DESCALE(x,n) (((x)+(1<<((n)-1)))>>(n)) -F_0_298 equ DESCALE( 320652955,30-CONST_BITS) ; FIX(0.298631336) -F_0_390 equ DESCALE( 418953276,30-CONST_BITS) ; FIX(0.390180644) -F_0_541 equ DESCALE( 581104887,30-CONST_BITS) ; FIX(0.541196100) -F_0_765 equ DESCALE( 821806413,30-CONST_BITS) ; FIX(0.765366865) -F_0_899 equ DESCALE( 966342111,30-CONST_BITS) ; FIX(0.899976223) -F_1_175 equ DESCALE(1262586813,30-CONST_BITS) ; FIX(1.175875602) -F_1_501 equ DESCALE(1612031267,30-CONST_BITS) ; FIX(1.501321110) -F_1_847 equ DESCALE(1984016188,30-CONST_BITS) ; FIX(1.847759065) -F_1_961 equ DESCALE(2106220350,30-CONST_BITS) ; FIX(1.961570560) -F_2_053 equ DESCALE(2204520673,30-CONST_BITS) ; FIX(2.053119869) -F_2_562 equ DESCALE(2751909506,30-CONST_BITS) ; FIX(2.562915447) -F_3_072 equ DESCALE(3299298341,30-CONST_BITS) ; FIX(3.072711026) -%endif - -; -------------------------------------------------------------------------- - SECTION SEG_CONST - - alignz 16 - global EXTN(jconst_idct_islow_mmx) - -EXTN(jconst_idct_islow_mmx): - -PW_F130_F054 times 2 dw (F_0_541+F_0_765), F_0_541 -PW_F054_MF130 times 2 dw F_0_541, (F_0_541-F_1_847) -PW_MF078_F117 times 2 dw (F_1_175-F_1_961), F_1_175 -PW_F117_F078 times 2 dw F_1_175, (F_1_175-F_0_390) -PW_MF060_MF089 times 2 dw (F_0_298-F_0_899),-F_0_899 -PW_MF089_F060 times 2 dw -F_0_899, (F_1_501-F_0_899) -PW_MF050_MF256 times 2 dw (F_2_053-F_2_562),-F_2_562 -PW_MF256_F050 times 2 dw -F_2_562, (F_3_072-F_2_562) -PD_DESCALE_P1 times 2 dd 1 << (DESCALE_P1-1) -PD_DESCALE_P2 times 2 dd 1 << (DESCALE_P2-1) -PB_CENTERJSAMP times 8 db CENTERJSAMPLE - - alignz 16 - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 32 -; -; Perform dequantization and inverse DCT on one block of coefficients. -; -; GLOBAL(void) -; jsimd_idct_islow_mmx (void * dct_table, JCOEFPTR coef_block, -; JSAMPARRAY output_buf, JDIMENSION output_col) -; - -%define dct_table(b) (b)+8 ; jpeg_component_info * compptr -%define coef_block(b) (b)+12 ; JCOEFPTR coef_block -%define output_buf(b) (b)+16 ; JSAMPARRAY output_buf -%define output_col(b) (b)+20 ; JDIMENSION output_col - -%define original_ebp ebp+0 -%define wk(i) ebp-(WK_NUM-(i))*SIZEOF_MMWORD ; mmword wk[WK_NUM] -%define WK_NUM 12 -%define workspace wk(0)-DCTSIZE2*SIZEOF_JCOEF - ; JCOEF workspace[DCTSIZE2] - - align 16 - global EXTN(jsimd_idct_islow_mmx) - -EXTN(jsimd_idct_islow_mmx): - push ebp - mov eax,esp ; eax = original ebp - sub esp, byte 4 - and esp, byte (-SIZEOF_MMWORD) ; align to 64 bits - mov [esp],eax - mov ebp,esp ; ebp = aligned ebp - lea esp, [workspace] - push ebx -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - get_GOT ebx ; get GOT address - - ; ---- Pass 1: process columns from input, store into work array. - -; mov eax, [original_ebp] - mov edx, POINTER [dct_table(eax)] ; quantptr - mov esi, JCOEFPTR [coef_block(eax)] ; inptr - lea edi, [workspace] ; JCOEF * wsptr - mov ecx, DCTSIZE/4 ; ctr - alignx 16,7 -.columnloop: -%ifndef NO_ZERO_COLUMN_TEST_ISLOW_MMX - mov eax, DWORD [DWBLOCK(1,0,esi,SIZEOF_JCOEF)] - or eax, DWORD [DWBLOCK(2,0,esi,SIZEOF_JCOEF)] - jnz short .columnDCT - - movq mm0, MMWORD [MMBLOCK(1,0,esi,SIZEOF_JCOEF)] - movq mm1, MMWORD [MMBLOCK(2,0,esi,SIZEOF_JCOEF)] - por mm0, MMWORD [MMBLOCK(3,0,esi,SIZEOF_JCOEF)] - por mm1, MMWORD [MMBLOCK(4,0,esi,SIZEOF_JCOEF)] - por mm0, MMWORD [MMBLOCK(5,0,esi,SIZEOF_JCOEF)] - por mm1, MMWORD [MMBLOCK(6,0,esi,SIZEOF_JCOEF)] - por mm0, MMWORD [MMBLOCK(7,0,esi,SIZEOF_JCOEF)] - por mm1,mm0 - packsswb mm1,mm1 - movd eax,mm1 - test eax,eax - jnz short .columnDCT - - ; -- AC terms all zero - - movq mm0, MMWORD [MMBLOCK(0,0,esi,SIZEOF_JCOEF)] - pmullw mm0, MMWORD [MMBLOCK(0,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - - psllw mm0,PASS1_BITS - - movq mm2,mm0 ; mm0=in0=(00 01 02 03) - punpcklwd mm0,mm0 ; mm0=(00 00 01 01) - punpckhwd mm2,mm2 ; mm2=(02 02 03 03) - - movq mm1,mm0 - punpckldq mm0,mm0 ; mm0=(00 00 00 00) - punpckhdq mm1,mm1 ; mm1=(01 01 01 01) - movq mm3,mm2 - punpckldq mm2,mm2 ; mm2=(02 02 02 02) - punpckhdq mm3,mm3 ; mm3=(03 03 03 03) - - movq MMWORD [MMBLOCK(0,0,edi,SIZEOF_JCOEF)], mm0 - movq MMWORD [MMBLOCK(0,1,edi,SIZEOF_JCOEF)], mm0 - movq MMWORD [MMBLOCK(1,0,edi,SIZEOF_JCOEF)], mm1 - movq MMWORD [MMBLOCK(1,1,edi,SIZEOF_JCOEF)], mm1 - movq MMWORD [MMBLOCK(2,0,edi,SIZEOF_JCOEF)], mm2 - movq MMWORD [MMBLOCK(2,1,edi,SIZEOF_JCOEF)], mm2 - movq MMWORD [MMBLOCK(3,0,edi,SIZEOF_JCOEF)], mm3 - movq MMWORD [MMBLOCK(3,1,edi,SIZEOF_JCOEF)], mm3 - jmp near .nextcolumn - alignx 16,7 -%endif -.columnDCT: - - ; -- Even part - - movq mm0, MMWORD [MMBLOCK(0,0,esi,SIZEOF_JCOEF)] - movq mm1, MMWORD [MMBLOCK(2,0,esi,SIZEOF_JCOEF)] - pmullw mm0, MMWORD [MMBLOCK(0,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - pmullw mm1, MMWORD [MMBLOCK(2,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - movq mm2, MMWORD [MMBLOCK(4,0,esi,SIZEOF_JCOEF)] - movq mm3, MMWORD [MMBLOCK(6,0,esi,SIZEOF_JCOEF)] - pmullw mm2, MMWORD [MMBLOCK(4,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - pmullw mm3, MMWORD [MMBLOCK(6,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - - ; (Original) - ; z1 = (z2 + z3) * 0.541196100; - ; tmp2 = z1 + z3 * -1.847759065; - ; tmp3 = z1 + z2 * 0.765366865; - ; - ; (This implementation) - ; tmp2 = z2 * 0.541196100 + z3 * (0.541196100 - 1.847759065); - ; tmp3 = z2 * (0.541196100 + 0.765366865) + z3 * 0.541196100; - - movq mm4,mm1 ; mm1=in2=z2 - movq mm5,mm1 - punpcklwd mm4,mm3 ; mm3=in6=z3 - punpckhwd mm5,mm3 - movq mm1,mm4 - movq mm3,mm5 - pmaddwd mm4,[GOTOFF(ebx,PW_F130_F054)] ; mm4=tmp3L - pmaddwd mm5,[GOTOFF(ebx,PW_F130_F054)] ; mm5=tmp3H - pmaddwd mm1,[GOTOFF(ebx,PW_F054_MF130)] ; mm1=tmp2L - pmaddwd mm3,[GOTOFF(ebx,PW_F054_MF130)] ; mm3=tmp2H - - movq mm6,mm0 - paddw mm0,mm2 ; mm0=in0+in4 - psubw mm6,mm2 ; mm6=in0-in4 - - pxor mm7,mm7 - pxor mm2,mm2 - punpcklwd mm7,mm0 ; mm7=tmp0L - punpckhwd mm2,mm0 ; mm2=tmp0H - psrad mm7,(16-CONST_BITS) ; psrad mm7,16 & pslld mm7,CONST_BITS - psrad mm2,(16-CONST_BITS) ; psrad mm2,16 & pslld mm2,CONST_BITS - - movq mm0,mm7 - paddd mm7,mm4 ; mm7=tmp10L - psubd mm0,mm4 ; mm0=tmp13L - movq mm4,mm2 - paddd mm2,mm5 ; mm2=tmp10H - psubd mm4,mm5 ; mm4=tmp13H - - movq MMWORD [wk(0)], mm7 ; wk(0)=tmp10L - movq MMWORD [wk(1)], mm2 ; wk(1)=tmp10H - movq MMWORD [wk(2)], mm0 ; wk(2)=tmp13L - movq MMWORD [wk(3)], mm4 ; wk(3)=tmp13H - - pxor mm5,mm5 - pxor mm7,mm7 - punpcklwd mm5,mm6 ; mm5=tmp1L - punpckhwd mm7,mm6 ; mm7=tmp1H - psrad mm5,(16-CONST_BITS) ; psrad mm5,16 & pslld mm5,CONST_BITS - psrad mm7,(16-CONST_BITS) ; psrad mm7,16 & pslld mm7,CONST_BITS - - movq mm2,mm5 - paddd mm5,mm1 ; mm5=tmp11L - psubd mm2,mm1 ; mm2=tmp12L - movq mm0,mm7 - paddd mm7,mm3 ; mm7=tmp11H - psubd mm0,mm3 ; mm0=tmp12H - - movq MMWORD [wk(4)], mm5 ; wk(4)=tmp11L - movq MMWORD [wk(5)], mm7 ; wk(5)=tmp11H - movq MMWORD [wk(6)], mm2 ; wk(6)=tmp12L - movq MMWORD [wk(7)], mm0 ; wk(7)=tmp12H - - ; -- Odd part - - movq mm4, MMWORD [MMBLOCK(1,0,esi,SIZEOF_JCOEF)] - movq mm6, MMWORD [MMBLOCK(3,0,esi,SIZEOF_JCOEF)] - pmullw mm4, MMWORD [MMBLOCK(1,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - pmullw mm6, MMWORD [MMBLOCK(3,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - movq mm1, MMWORD [MMBLOCK(5,0,esi,SIZEOF_JCOEF)] - movq mm3, MMWORD [MMBLOCK(7,0,esi,SIZEOF_JCOEF)] - pmullw mm1, MMWORD [MMBLOCK(5,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - pmullw mm3, MMWORD [MMBLOCK(7,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - - movq mm5,mm6 - movq mm7,mm4 - paddw mm5,mm3 ; mm5=z3 - paddw mm7,mm1 ; mm7=z4 - - ; (Original) - ; z5 = (z3 + z4) * 1.175875602; - ; z3 = z3 * -1.961570560; z4 = z4 * -0.390180644; - ; z3 += z5; z4 += z5; - ; - ; (This implementation) - ; z3 = z3 * (1.175875602 - 1.961570560) + z4 * 1.175875602; - ; z4 = z3 * 1.175875602 + z4 * (1.175875602 - 0.390180644); - - movq mm2,mm5 - movq mm0,mm5 - punpcklwd mm2,mm7 - punpckhwd mm0,mm7 - movq mm5,mm2 - movq mm7,mm0 - pmaddwd mm2,[GOTOFF(ebx,PW_MF078_F117)] ; mm2=z3L - pmaddwd mm0,[GOTOFF(ebx,PW_MF078_F117)] ; mm0=z3H - pmaddwd mm5,[GOTOFF(ebx,PW_F117_F078)] ; mm5=z4L - pmaddwd mm7,[GOTOFF(ebx,PW_F117_F078)] ; mm7=z4H - - movq MMWORD [wk(10)], mm2 ; wk(10)=z3L - movq MMWORD [wk(11)], mm0 ; wk(11)=z3H - - ; (Original) - ; z1 = tmp0 + tmp3; z2 = tmp1 + tmp2; - ; tmp0 = tmp0 * 0.298631336; tmp1 = tmp1 * 2.053119869; - ; tmp2 = tmp2 * 3.072711026; tmp3 = tmp3 * 1.501321110; - ; z1 = z1 * -0.899976223; z2 = z2 * -2.562915447; - ; tmp0 += z1 + z3; tmp1 += z2 + z4; - ; tmp2 += z2 + z3; tmp3 += z1 + z4; - ; - ; (This implementation) - ; tmp0 = tmp0 * (0.298631336 - 0.899976223) + tmp3 * -0.899976223; - ; tmp1 = tmp1 * (2.053119869 - 2.562915447) + tmp2 * -2.562915447; - ; tmp2 = tmp1 * -2.562915447 + tmp2 * (3.072711026 - 2.562915447); - ; tmp3 = tmp0 * -0.899976223 + tmp3 * (1.501321110 - 0.899976223); - ; tmp0 += z3; tmp1 += z4; - ; tmp2 += z3; tmp3 += z4; - - movq mm2,mm3 - movq mm0,mm3 - punpcklwd mm2,mm4 - punpckhwd mm0,mm4 - movq mm3,mm2 - movq mm4,mm0 - pmaddwd mm2,[GOTOFF(ebx,PW_MF060_MF089)] ; mm2=tmp0L - pmaddwd mm0,[GOTOFF(ebx,PW_MF060_MF089)] ; mm0=tmp0H - pmaddwd mm3,[GOTOFF(ebx,PW_MF089_F060)] ; mm3=tmp3L - pmaddwd mm4,[GOTOFF(ebx,PW_MF089_F060)] ; mm4=tmp3H - - paddd mm2, MMWORD [wk(10)] ; mm2=tmp0L - paddd mm0, MMWORD [wk(11)] ; mm0=tmp0H - paddd mm3,mm5 ; mm3=tmp3L - paddd mm4,mm7 ; mm4=tmp3H - - movq MMWORD [wk(8)], mm2 ; wk(8)=tmp0L - movq MMWORD [wk(9)], mm0 ; wk(9)=tmp0H - - movq mm2,mm1 - movq mm0,mm1 - punpcklwd mm2,mm6 - punpckhwd mm0,mm6 - movq mm1,mm2 - movq mm6,mm0 - pmaddwd mm2,[GOTOFF(ebx,PW_MF050_MF256)] ; mm2=tmp1L - pmaddwd mm0,[GOTOFF(ebx,PW_MF050_MF256)] ; mm0=tmp1H - pmaddwd mm1,[GOTOFF(ebx,PW_MF256_F050)] ; mm1=tmp2L - pmaddwd mm6,[GOTOFF(ebx,PW_MF256_F050)] ; mm6=tmp2H - - paddd mm2,mm5 ; mm2=tmp1L - paddd mm0,mm7 ; mm0=tmp1H - paddd mm1, MMWORD [wk(10)] ; mm1=tmp2L - paddd mm6, MMWORD [wk(11)] ; mm6=tmp2H - - movq MMWORD [wk(10)], mm2 ; wk(10)=tmp1L - movq MMWORD [wk(11)], mm0 ; wk(11)=tmp1H - - ; -- Final output stage - - movq mm5, MMWORD [wk(0)] ; mm5=tmp10L - movq mm7, MMWORD [wk(1)] ; mm7=tmp10H - - movq mm2,mm5 - movq mm0,mm7 - paddd mm5,mm3 ; mm5=data0L - paddd mm7,mm4 ; mm7=data0H - psubd mm2,mm3 ; mm2=data7L - psubd mm0,mm4 ; mm0=data7H - - movq mm3,[GOTOFF(ebx,PD_DESCALE_P1)] ; mm3=[PD_DESCALE_P1] - - paddd mm5,mm3 - paddd mm7,mm3 - psrad mm5,DESCALE_P1 - psrad mm7,DESCALE_P1 - paddd mm2,mm3 - paddd mm0,mm3 - psrad mm2,DESCALE_P1 - psrad mm0,DESCALE_P1 - - packssdw mm5,mm7 ; mm5=data0=(00 01 02 03) - packssdw mm2,mm0 ; mm2=data7=(70 71 72 73) - - movq mm4, MMWORD [wk(4)] ; mm4=tmp11L - movq mm3, MMWORD [wk(5)] ; mm3=tmp11H - - movq mm7,mm4 - movq mm0,mm3 - paddd mm4,mm1 ; mm4=data1L - paddd mm3,mm6 ; mm3=data1H - psubd mm7,mm1 ; mm7=data6L - psubd mm0,mm6 ; mm0=data6H - - movq mm1,[GOTOFF(ebx,PD_DESCALE_P1)] ; mm1=[PD_DESCALE_P1] - - paddd mm4,mm1 - paddd mm3,mm1 - psrad mm4,DESCALE_P1 - psrad mm3,DESCALE_P1 - paddd mm7,mm1 - paddd mm0,mm1 - psrad mm7,DESCALE_P1 - psrad mm0,DESCALE_P1 - - packssdw mm4,mm3 ; mm4=data1=(10 11 12 13) - packssdw mm7,mm0 ; mm7=data6=(60 61 62 63) - - movq mm6,mm5 ; transpose coefficients(phase 1) - punpcklwd mm5,mm4 ; mm5=(00 10 01 11) - punpckhwd mm6,mm4 ; mm6=(02 12 03 13) - movq mm1,mm7 ; transpose coefficients(phase 1) - punpcklwd mm7,mm2 ; mm7=(60 70 61 71) - punpckhwd mm1,mm2 ; mm1=(62 72 63 73) - - movq mm3, MMWORD [wk(6)] ; mm3=tmp12L - movq mm0, MMWORD [wk(7)] ; mm0=tmp12H - movq mm4, MMWORD [wk(10)] ; mm4=tmp1L - movq mm2, MMWORD [wk(11)] ; mm2=tmp1H - - movq MMWORD [wk(0)], mm5 ; wk(0)=(00 10 01 11) - movq MMWORD [wk(1)], mm6 ; wk(1)=(02 12 03 13) - movq MMWORD [wk(4)], mm7 ; wk(4)=(60 70 61 71) - movq MMWORD [wk(5)], mm1 ; wk(5)=(62 72 63 73) - - movq mm5,mm3 - movq mm6,mm0 - paddd mm3,mm4 ; mm3=data2L - paddd mm0,mm2 ; mm0=data2H - psubd mm5,mm4 ; mm5=data5L - psubd mm6,mm2 ; mm6=data5H - - movq mm7,[GOTOFF(ebx,PD_DESCALE_P1)] ; mm7=[PD_DESCALE_P1] - - paddd mm3,mm7 - paddd mm0,mm7 - psrad mm3,DESCALE_P1 - psrad mm0,DESCALE_P1 - paddd mm5,mm7 - paddd mm6,mm7 - psrad mm5,DESCALE_P1 - psrad mm6,DESCALE_P1 - - packssdw mm3,mm0 ; mm3=data2=(20 21 22 23) - packssdw mm5,mm6 ; mm5=data5=(50 51 52 53) - - movq mm1, MMWORD [wk(2)] ; mm1=tmp13L - movq mm4, MMWORD [wk(3)] ; mm4=tmp13H - movq mm2, MMWORD [wk(8)] ; mm2=tmp0L - movq mm7, MMWORD [wk(9)] ; mm7=tmp0H - - movq mm0,mm1 - movq mm6,mm4 - paddd mm1,mm2 ; mm1=data3L - paddd mm4,mm7 ; mm4=data3H - psubd mm0,mm2 ; mm0=data4L - psubd mm6,mm7 ; mm6=data4H - - movq mm2,[GOTOFF(ebx,PD_DESCALE_P1)] ; mm2=[PD_DESCALE_P1] - - paddd mm1,mm2 - paddd mm4,mm2 - psrad mm1,DESCALE_P1 - psrad mm4,DESCALE_P1 - paddd mm0,mm2 - paddd mm6,mm2 - psrad mm0,DESCALE_P1 - psrad mm6,DESCALE_P1 - - packssdw mm1,mm4 ; mm1=data3=(30 31 32 33) - packssdw mm0,mm6 ; mm0=data4=(40 41 42 43) - - movq mm7, MMWORD [wk(0)] ; mm7=(00 10 01 11) - movq mm2, MMWORD [wk(1)] ; mm2=(02 12 03 13) - - movq mm4,mm3 ; transpose coefficients(phase 1) - punpcklwd mm3,mm1 ; mm3=(20 30 21 31) - punpckhwd mm4,mm1 ; mm4=(22 32 23 33) - movq mm6,mm0 ; transpose coefficients(phase 1) - punpcklwd mm0,mm5 ; mm0=(40 50 41 51) - punpckhwd mm6,mm5 ; mm6=(42 52 43 53) - - movq mm1,mm7 ; transpose coefficients(phase 2) - punpckldq mm7,mm3 ; mm7=(00 10 20 30) - punpckhdq mm1,mm3 ; mm1=(01 11 21 31) - movq mm5,mm2 ; transpose coefficients(phase 2) - punpckldq mm2,mm4 ; mm2=(02 12 22 32) - punpckhdq mm5,mm4 ; mm5=(03 13 23 33) - - movq mm3, MMWORD [wk(4)] ; mm3=(60 70 61 71) - movq mm4, MMWORD [wk(5)] ; mm4=(62 72 63 73) - - movq MMWORD [MMBLOCK(0,0,edi,SIZEOF_JCOEF)], mm7 - movq MMWORD [MMBLOCK(1,0,edi,SIZEOF_JCOEF)], mm1 - movq MMWORD [MMBLOCK(2,0,edi,SIZEOF_JCOEF)], mm2 - movq MMWORD [MMBLOCK(3,0,edi,SIZEOF_JCOEF)], mm5 - - movq mm7,mm0 ; transpose coefficients(phase 2) - punpckldq mm0,mm3 ; mm0=(40 50 60 70) - punpckhdq mm7,mm3 ; mm7=(41 51 61 71) - movq mm1,mm6 ; transpose coefficients(phase 2) - punpckldq mm6,mm4 ; mm6=(42 52 62 72) - punpckhdq mm1,mm4 ; mm1=(43 53 63 73) - - movq MMWORD [MMBLOCK(0,1,edi,SIZEOF_JCOEF)], mm0 - movq MMWORD [MMBLOCK(1,1,edi,SIZEOF_JCOEF)], mm7 - movq MMWORD [MMBLOCK(2,1,edi,SIZEOF_JCOEF)], mm6 - movq MMWORD [MMBLOCK(3,1,edi,SIZEOF_JCOEF)], mm1 - -.nextcolumn: - add esi, byte 4*SIZEOF_JCOEF ; coef_block - add edx, byte 4*SIZEOF_ISLOW_MULT_TYPE ; quantptr - add edi, byte 4*DCTSIZE*SIZEOF_JCOEF ; wsptr - dec ecx ; ctr - jnz near .columnloop - - ; ---- Pass 2: process rows from work array, store into output array. - - mov eax, [original_ebp] - lea esi, [workspace] ; JCOEF * wsptr - mov edi, JSAMPARRAY [output_buf(eax)] ; (JSAMPROW *) - mov eax, JDIMENSION [output_col(eax)] - mov ecx, DCTSIZE/4 ; ctr - alignx 16,7 -.rowloop: - - ; -- Even part - - movq mm0, MMWORD [MMBLOCK(0,0,esi,SIZEOF_JCOEF)] - movq mm1, MMWORD [MMBLOCK(2,0,esi,SIZEOF_JCOEF)] - movq mm2, MMWORD [MMBLOCK(4,0,esi,SIZEOF_JCOEF)] - movq mm3, MMWORD [MMBLOCK(6,0,esi,SIZEOF_JCOEF)] - - ; (Original) - ; z1 = (z2 + z3) * 0.541196100; - ; tmp2 = z1 + z3 * -1.847759065; - ; tmp3 = z1 + z2 * 0.765366865; - ; - ; (This implementation) - ; tmp2 = z2 * 0.541196100 + z3 * (0.541196100 - 1.847759065); - ; tmp3 = z2 * (0.541196100 + 0.765366865) + z3 * 0.541196100; - - movq mm4,mm1 ; mm1=in2=z2 - movq mm5,mm1 - punpcklwd mm4,mm3 ; mm3=in6=z3 - punpckhwd mm5,mm3 - movq mm1,mm4 - movq mm3,mm5 - pmaddwd mm4,[GOTOFF(ebx,PW_F130_F054)] ; mm4=tmp3L - pmaddwd mm5,[GOTOFF(ebx,PW_F130_F054)] ; mm5=tmp3H - pmaddwd mm1,[GOTOFF(ebx,PW_F054_MF130)] ; mm1=tmp2L - pmaddwd mm3,[GOTOFF(ebx,PW_F054_MF130)] ; mm3=tmp2H - - movq mm6,mm0 - paddw mm0,mm2 ; mm0=in0+in4 - psubw mm6,mm2 ; mm6=in0-in4 - - pxor mm7,mm7 - pxor mm2,mm2 - punpcklwd mm7,mm0 ; mm7=tmp0L - punpckhwd mm2,mm0 ; mm2=tmp0H - psrad mm7,(16-CONST_BITS) ; psrad mm7,16 & pslld mm7,CONST_BITS - psrad mm2,(16-CONST_BITS) ; psrad mm2,16 & pslld mm2,CONST_BITS - - movq mm0,mm7 - paddd mm7,mm4 ; mm7=tmp10L - psubd mm0,mm4 ; mm0=tmp13L - movq mm4,mm2 - paddd mm2,mm5 ; mm2=tmp10H - psubd mm4,mm5 ; mm4=tmp13H - - movq MMWORD [wk(0)], mm7 ; wk(0)=tmp10L - movq MMWORD [wk(1)], mm2 ; wk(1)=tmp10H - movq MMWORD [wk(2)], mm0 ; wk(2)=tmp13L - movq MMWORD [wk(3)], mm4 ; wk(3)=tmp13H - - pxor mm5,mm5 - pxor mm7,mm7 - punpcklwd mm5,mm6 ; mm5=tmp1L - punpckhwd mm7,mm6 ; mm7=tmp1H - psrad mm5,(16-CONST_BITS) ; psrad mm5,16 & pslld mm5,CONST_BITS - psrad mm7,(16-CONST_BITS) ; psrad mm7,16 & pslld mm7,CONST_BITS - - movq mm2,mm5 - paddd mm5,mm1 ; mm5=tmp11L - psubd mm2,mm1 ; mm2=tmp12L - movq mm0,mm7 - paddd mm7,mm3 ; mm7=tmp11H - psubd mm0,mm3 ; mm0=tmp12H - - movq MMWORD [wk(4)], mm5 ; wk(4)=tmp11L - movq MMWORD [wk(5)], mm7 ; wk(5)=tmp11H - movq MMWORD [wk(6)], mm2 ; wk(6)=tmp12L - movq MMWORD [wk(7)], mm0 ; wk(7)=tmp12H - - ; -- Odd part - - movq mm4, MMWORD [MMBLOCK(1,0,esi,SIZEOF_JCOEF)] - movq mm6, MMWORD [MMBLOCK(3,0,esi,SIZEOF_JCOEF)] - movq mm1, MMWORD [MMBLOCK(5,0,esi,SIZEOF_JCOEF)] - movq mm3, MMWORD [MMBLOCK(7,0,esi,SIZEOF_JCOEF)] - - movq mm5,mm6 - movq mm7,mm4 - paddw mm5,mm3 ; mm5=z3 - paddw mm7,mm1 ; mm7=z4 - - ; (Original) - ; z5 = (z3 + z4) * 1.175875602; - ; z3 = z3 * -1.961570560; z4 = z4 * -0.390180644; - ; z3 += z5; z4 += z5; - ; - ; (This implementation) - ; z3 = z3 * (1.175875602 - 1.961570560) + z4 * 1.175875602; - ; z4 = z3 * 1.175875602 + z4 * (1.175875602 - 0.390180644); - - movq mm2,mm5 - movq mm0,mm5 - punpcklwd mm2,mm7 - punpckhwd mm0,mm7 - movq mm5,mm2 - movq mm7,mm0 - pmaddwd mm2,[GOTOFF(ebx,PW_MF078_F117)] ; mm2=z3L - pmaddwd mm0,[GOTOFF(ebx,PW_MF078_F117)] ; mm0=z3H - pmaddwd mm5,[GOTOFF(ebx,PW_F117_F078)] ; mm5=z4L - pmaddwd mm7,[GOTOFF(ebx,PW_F117_F078)] ; mm7=z4H - - movq MMWORD [wk(10)], mm2 ; wk(10)=z3L - movq MMWORD [wk(11)], mm0 ; wk(11)=z3H - - ; (Original) - ; z1 = tmp0 + tmp3; z2 = tmp1 + tmp2; - ; tmp0 = tmp0 * 0.298631336; tmp1 = tmp1 * 2.053119869; - ; tmp2 = tmp2 * 3.072711026; tmp3 = tmp3 * 1.501321110; - ; z1 = z1 * -0.899976223; z2 = z2 * -2.562915447; - ; tmp0 += z1 + z3; tmp1 += z2 + z4; - ; tmp2 += z2 + z3; tmp3 += z1 + z4; - ; - ; (This implementation) - ; tmp0 = tmp0 * (0.298631336 - 0.899976223) + tmp3 * -0.899976223; - ; tmp1 = tmp1 * (2.053119869 - 2.562915447) + tmp2 * -2.562915447; - ; tmp2 = tmp1 * -2.562915447 + tmp2 * (3.072711026 - 2.562915447); - ; tmp3 = tmp0 * -0.899976223 + tmp3 * (1.501321110 - 0.899976223); - ; tmp0 += z3; tmp1 += z4; - ; tmp2 += z3; tmp3 += z4; - - movq mm2,mm3 - movq mm0,mm3 - punpcklwd mm2,mm4 - punpckhwd mm0,mm4 - movq mm3,mm2 - movq mm4,mm0 - pmaddwd mm2,[GOTOFF(ebx,PW_MF060_MF089)] ; mm2=tmp0L - pmaddwd mm0,[GOTOFF(ebx,PW_MF060_MF089)] ; mm0=tmp0H - pmaddwd mm3,[GOTOFF(ebx,PW_MF089_F060)] ; mm3=tmp3L - pmaddwd mm4,[GOTOFF(ebx,PW_MF089_F060)] ; mm4=tmp3H - - paddd mm2, MMWORD [wk(10)] ; mm2=tmp0L - paddd mm0, MMWORD [wk(11)] ; mm0=tmp0H - paddd mm3,mm5 ; mm3=tmp3L - paddd mm4,mm7 ; mm4=tmp3H - - movq MMWORD [wk(8)], mm2 ; wk(8)=tmp0L - movq MMWORD [wk(9)], mm0 ; wk(9)=tmp0H - - movq mm2,mm1 - movq mm0,mm1 - punpcklwd mm2,mm6 - punpckhwd mm0,mm6 - movq mm1,mm2 - movq mm6,mm0 - pmaddwd mm2,[GOTOFF(ebx,PW_MF050_MF256)] ; mm2=tmp1L - pmaddwd mm0,[GOTOFF(ebx,PW_MF050_MF256)] ; mm0=tmp1H - pmaddwd mm1,[GOTOFF(ebx,PW_MF256_F050)] ; mm1=tmp2L - pmaddwd mm6,[GOTOFF(ebx,PW_MF256_F050)] ; mm6=tmp2H - - paddd mm2,mm5 ; mm2=tmp1L - paddd mm0,mm7 ; mm0=tmp1H - paddd mm1, MMWORD [wk(10)] ; mm1=tmp2L - paddd mm6, MMWORD [wk(11)] ; mm6=tmp2H - - movq MMWORD [wk(10)], mm2 ; wk(10)=tmp1L - movq MMWORD [wk(11)], mm0 ; wk(11)=tmp1H - - ; -- Final output stage - - movq mm5, MMWORD [wk(0)] ; mm5=tmp10L - movq mm7, MMWORD [wk(1)] ; mm7=tmp10H - - movq mm2,mm5 - movq mm0,mm7 - paddd mm5,mm3 ; mm5=data0L - paddd mm7,mm4 ; mm7=data0H - psubd mm2,mm3 ; mm2=data7L - psubd mm0,mm4 ; mm0=data7H - - movq mm3,[GOTOFF(ebx,PD_DESCALE_P2)] ; mm3=[PD_DESCALE_P2] - - paddd mm5,mm3 - paddd mm7,mm3 - psrad mm5,DESCALE_P2 - psrad mm7,DESCALE_P2 - paddd mm2,mm3 - paddd mm0,mm3 - psrad mm2,DESCALE_P2 - psrad mm0,DESCALE_P2 - - packssdw mm5,mm7 ; mm5=data0=(00 10 20 30) - packssdw mm2,mm0 ; mm2=data7=(07 17 27 37) - - movq mm4, MMWORD [wk(4)] ; mm4=tmp11L - movq mm3, MMWORD [wk(5)] ; mm3=tmp11H - - movq mm7,mm4 - movq mm0,mm3 - paddd mm4,mm1 ; mm4=data1L - paddd mm3,mm6 ; mm3=data1H - psubd mm7,mm1 ; mm7=data6L - psubd mm0,mm6 ; mm0=data6H - - movq mm1,[GOTOFF(ebx,PD_DESCALE_P2)] ; mm1=[PD_DESCALE_P2] - - paddd mm4,mm1 - paddd mm3,mm1 - psrad mm4,DESCALE_P2 - psrad mm3,DESCALE_P2 - paddd mm7,mm1 - paddd mm0,mm1 - psrad mm7,DESCALE_P2 - psrad mm0,DESCALE_P2 - - packssdw mm4,mm3 ; mm4=data1=(01 11 21 31) - packssdw mm7,mm0 ; mm7=data6=(06 16 26 36) - - packsswb mm5,mm7 ; mm5=(00 10 20 30 06 16 26 36) - packsswb mm4,mm2 ; mm4=(01 11 21 31 07 17 27 37) - - movq mm6, MMWORD [wk(6)] ; mm6=tmp12L - movq mm1, MMWORD [wk(7)] ; mm1=tmp12H - movq mm3, MMWORD [wk(10)] ; mm3=tmp1L - movq mm0, MMWORD [wk(11)] ; mm0=tmp1H - - movq MMWORD [wk(0)], mm5 ; wk(0)=(00 10 20 30 06 16 26 36) - movq MMWORD [wk(1)], mm4 ; wk(1)=(01 11 21 31 07 17 27 37) - - movq mm7,mm6 - movq mm2,mm1 - paddd mm6,mm3 ; mm6=data2L - paddd mm1,mm0 ; mm1=data2H - psubd mm7,mm3 ; mm7=data5L - psubd mm2,mm0 ; mm2=data5H - - movq mm5,[GOTOFF(ebx,PD_DESCALE_P2)] ; mm5=[PD_DESCALE_P2] - - paddd mm6,mm5 - paddd mm1,mm5 - psrad mm6,DESCALE_P2 - psrad mm1,DESCALE_P2 - paddd mm7,mm5 - paddd mm2,mm5 - psrad mm7,DESCALE_P2 - psrad mm2,DESCALE_P2 - - packssdw mm6,mm1 ; mm6=data2=(02 12 22 32) - packssdw mm7,mm2 ; mm7=data5=(05 15 25 35) - - movq mm4, MMWORD [wk(2)] ; mm4=tmp13L - movq mm3, MMWORD [wk(3)] ; mm3=tmp13H - movq mm0, MMWORD [wk(8)] ; mm0=tmp0L - movq mm5, MMWORD [wk(9)] ; mm5=tmp0H - - movq mm1,mm4 - movq mm2,mm3 - paddd mm4,mm0 ; mm4=data3L - paddd mm3,mm5 ; mm3=data3H - psubd mm1,mm0 ; mm1=data4L - psubd mm2,mm5 ; mm2=data4H - - movq mm0,[GOTOFF(ebx,PD_DESCALE_P2)] ; mm0=[PD_DESCALE_P2] - - paddd mm4,mm0 - paddd mm3,mm0 - psrad mm4,DESCALE_P2 - psrad mm3,DESCALE_P2 - paddd mm1,mm0 - paddd mm2,mm0 - psrad mm1,DESCALE_P2 - psrad mm2,DESCALE_P2 - - movq mm5,[GOTOFF(ebx,PB_CENTERJSAMP)] ; mm5=[PB_CENTERJSAMP] - - packssdw mm4,mm3 ; mm4=data3=(03 13 23 33) - packssdw mm1,mm2 ; mm1=data4=(04 14 24 34) - - movq mm0, MMWORD [wk(0)] ; mm0=(00 10 20 30 06 16 26 36) - movq mm3, MMWORD [wk(1)] ; mm3=(01 11 21 31 07 17 27 37) - - packsswb mm6,mm1 ; mm6=(02 12 22 32 04 14 24 34) - packsswb mm4,mm7 ; mm4=(03 13 23 33 05 15 25 35) - - paddb mm0,mm5 - paddb mm3,mm5 - paddb mm6,mm5 - paddb mm4,mm5 - - movq mm2,mm0 ; transpose coefficients(phase 1) - punpcklbw mm0,mm3 ; mm0=(00 01 10 11 20 21 30 31) - punpckhbw mm2,mm3 ; mm2=(06 07 16 17 26 27 36 37) - movq mm1,mm6 ; transpose coefficients(phase 1) - punpcklbw mm6,mm4 ; mm6=(02 03 12 13 22 23 32 33) - punpckhbw mm1,mm4 ; mm1=(04 05 14 15 24 25 34 35) - - movq mm7,mm0 ; transpose coefficients(phase 2) - punpcklwd mm0,mm6 ; mm0=(00 01 02 03 10 11 12 13) - punpckhwd mm7,mm6 ; mm7=(20 21 22 23 30 31 32 33) - movq mm5,mm1 ; transpose coefficients(phase 2) - punpcklwd mm1,mm2 ; mm1=(04 05 06 07 14 15 16 17) - punpckhwd mm5,mm2 ; mm5=(24 25 26 27 34 35 36 37) - - movq mm3,mm0 ; transpose coefficients(phase 3) - punpckldq mm0,mm1 ; mm0=(00 01 02 03 04 05 06 07) - punpckhdq mm3,mm1 ; mm3=(10 11 12 13 14 15 16 17) - movq mm4,mm7 ; transpose coefficients(phase 3) - punpckldq mm7,mm5 ; mm7=(20 21 22 23 24 25 26 27) - punpckhdq mm4,mm5 ; mm4=(30 31 32 33 34 35 36 37) - - pushpic ebx ; save GOT address - - mov edx, JSAMPROW [edi+0*SIZEOF_JSAMPROW] - mov ebx, JSAMPROW [edi+1*SIZEOF_JSAMPROW] - movq MMWORD [edx+eax*SIZEOF_JSAMPLE], mm0 - movq MMWORD [ebx+eax*SIZEOF_JSAMPLE], mm3 - mov edx, JSAMPROW [edi+2*SIZEOF_JSAMPROW] - mov ebx, JSAMPROW [edi+3*SIZEOF_JSAMPROW] - movq MMWORD [edx+eax*SIZEOF_JSAMPLE], mm7 - movq MMWORD [ebx+eax*SIZEOF_JSAMPLE], mm4 - - poppic ebx ; restore GOT address - - add esi, byte 4*SIZEOF_JCOEF ; wsptr - add edi, byte 4*SIZEOF_JSAMPROW - dec ecx ; ctr - jnz near .rowloop - - emms ; empty MMX state - - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved - pop ebx - mov esp,ebp ; esp <- aligned ebp - pop esp ; esp <- original ebp - pop ebp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jimmxred.asm b/common/jpeg/simd/jimmxred.asm deleted file mode 100644 index a2b7103d..00000000 --- a/common/jpeg/simd/jimmxred.asm +++ /dev/null @@ -1,706 +0,0 @@ -; -; jimmxred.asm - reduced-size IDCT (MMX) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; This file contains inverse-DCT routines that produce reduced-size -; output: either 4x4 or 2x2 pixels from an 8x8 DCT block. -; The following code is based directly on the IJG's original jidctred.c; -; see the jidctred.c for more details. -; -; [TAB8] - -%include "jsimdext.inc" -%include "jdct.inc" - -; -------------------------------------------------------------------------- - -%define CONST_BITS 13 -%define PASS1_BITS 2 - -%define DESCALE_P1_4 (CONST_BITS-PASS1_BITS+1) -%define DESCALE_P2_4 (CONST_BITS+PASS1_BITS+3+1) -%define DESCALE_P1_2 (CONST_BITS-PASS1_BITS+2) -%define DESCALE_P2_2 (CONST_BITS+PASS1_BITS+3+2) - -%if CONST_BITS == 13 -F_0_211 equ 1730 ; FIX(0.211164243) -F_0_509 equ 4176 ; FIX(0.509795579) -F_0_601 equ 4926 ; FIX(0.601344887) -F_0_720 equ 5906 ; FIX(0.720959822) -F_0_765 equ 6270 ; FIX(0.765366865) -F_0_850 equ 6967 ; FIX(0.850430095) -F_0_899 equ 7373 ; FIX(0.899976223) -F_1_061 equ 8697 ; FIX(1.061594337) -F_1_272 equ 10426 ; FIX(1.272758580) -F_1_451 equ 11893 ; FIX(1.451774981) -F_1_847 equ 15137 ; FIX(1.847759065) -F_2_172 equ 17799 ; FIX(2.172734803) -F_2_562 equ 20995 ; FIX(2.562915447) -F_3_624 equ 29692 ; FIX(3.624509785) -%else -; NASM cannot do compile-time arithmetic on floating-point constants. -%define DESCALE(x,n) (((x)+(1<<((n)-1)))>>(n)) -F_0_211 equ DESCALE( 226735879,30-CONST_BITS) ; FIX(0.211164243) -F_0_509 equ DESCALE( 547388834,30-CONST_BITS) ; FIX(0.509795579) -F_0_601 equ DESCALE( 645689155,30-CONST_BITS) ; FIX(0.601344887) -F_0_720 equ DESCALE( 774124714,30-CONST_BITS) ; FIX(0.720959822) -F_0_765 equ DESCALE( 821806413,30-CONST_BITS) ; FIX(0.765366865) -F_0_850 equ DESCALE( 913142361,30-CONST_BITS) ; FIX(0.850430095) -F_0_899 equ DESCALE( 966342111,30-CONST_BITS) ; FIX(0.899976223) -F_1_061 equ DESCALE(1139878239,30-CONST_BITS) ; FIX(1.061594337) -F_1_272 equ DESCALE(1366614119,30-CONST_BITS) ; FIX(1.272758580) -F_1_451 equ DESCALE(1558831516,30-CONST_BITS) ; FIX(1.451774981) -F_1_847 equ DESCALE(1984016188,30-CONST_BITS) ; FIX(1.847759065) -F_2_172 equ DESCALE(2332956230,30-CONST_BITS) ; FIX(2.172734803) -F_2_562 equ DESCALE(2751909506,30-CONST_BITS) ; FIX(2.562915447) -F_3_624 equ DESCALE(3891787747,30-CONST_BITS) ; FIX(3.624509785) -%endif - -; -------------------------------------------------------------------------- - SECTION SEG_CONST - - alignz 16 - global EXTN(jconst_idct_red_mmx) - -EXTN(jconst_idct_red_mmx): - -PW_F184_MF076 times 2 dw F_1_847,-F_0_765 -PW_F256_F089 times 2 dw F_2_562, F_0_899 -PW_F106_MF217 times 2 dw F_1_061,-F_2_172 -PW_MF060_MF050 times 2 dw -F_0_601,-F_0_509 -PW_F145_MF021 times 2 dw F_1_451,-F_0_211 -PW_F362_MF127 times 2 dw F_3_624,-F_1_272 -PW_F085_MF072 times 2 dw F_0_850,-F_0_720 -PD_DESCALE_P1_4 times 2 dd 1 << (DESCALE_P1_4-1) -PD_DESCALE_P2_4 times 2 dd 1 << (DESCALE_P2_4-1) -PD_DESCALE_P1_2 times 2 dd 1 << (DESCALE_P1_2-1) -PD_DESCALE_P2_2 times 2 dd 1 << (DESCALE_P2_2-1) -PB_CENTERJSAMP times 8 db CENTERJSAMPLE - - alignz 16 - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 32 -; -; Perform dequantization and inverse DCT on one block of coefficients, -; producing a reduced-size 4x4 output block. -; -; GLOBAL(void) -; jsimd_idct_4x4_mmx (void * dct_table, JCOEFPTR coef_block, -; JSAMPARRAY output_buf, JDIMENSION output_col) -; - -%define dct_table(b) (b)+8 ; void * dct_table -%define coef_block(b) (b)+12 ; JCOEFPTR coef_block -%define output_buf(b) (b)+16 ; JSAMPARRAY output_buf -%define output_col(b) (b)+20 ; JDIMENSION output_col - -%define original_ebp ebp+0 -%define wk(i) ebp-(WK_NUM-(i))*SIZEOF_MMWORD ; mmword wk[WK_NUM] -%define WK_NUM 2 -%define workspace wk(0)-DCTSIZE2*SIZEOF_JCOEF - ; JCOEF workspace[DCTSIZE2] - - align 16 - global EXTN(jsimd_idct_4x4_mmx) - -EXTN(jsimd_idct_4x4_mmx): - push ebp - mov eax,esp ; eax = original ebp - sub esp, byte 4 - and esp, byte (-SIZEOF_MMWORD) ; align to 64 bits - mov [esp],eax - mov ebp,esp ; ebp = aligned ebp - lea esp, [workspace] - pushpic ebx -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - get_GOT ebx ; get GOT address - - ; ---- Pass 1: process columns from input, store into work array. - -; mov eax, [original_ebp] - mov edx, POINTER [dct_table(eax)] ; quantptr - mov esi, JCOEFPTR [coef_block(eax)] ; inptr - lea edi, [workspace] ; JCOEF * wsptr - mov ecx, DCTSIZE/4 ; ctr - alignx 16,7 -.columnloop: -%ifndef NO_ZERO_COLUMN_TEST_4X4_MMX - mov eax, DWORD [DWBLOCK(1,0,esi,SIZEOF_JCOEF)] - or eax, DWORD [DWBLOCK(2,0,esi,SIZEOF_JCOEF)] - jnz short .columnDCT - - movq mm0, MMWORD [MMBLOCK(1,0,esi,SIZEOF_JCOEF)] - movq mm1, MMWORD [MMBLOCK(2,0,esi,SIZEOF_JCOEF)] - por mm0, MMWORD [MMBLOCK(3,0,esi,SIZEOF_JCOEF)] - por mm1, MMWORD [MMBLOCK(5,0,esi,SIZEOF_JCOEF)] - por mm0, MMWORD [MMBLOCK(6,0,esi,SIZEOF_JCOEF)] - por mm1, MMWORD [MMBLOCK(7,0,esi,SIZEOF_JCOEF)] - por mm0,mm1 - packsswb mm0,mm0 - movd eax,mm0 - test eax,eax - jnz short .columnDCT - - ; -- AC terms all zero - - movq mm0, MMWORD [MMBLOCK(0,0,esi,SIZEOF_JCOEF)] - pmullw mm0, MMWORD [MMBLOCK(0,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - - psllw mm0,PASS1_BITS - - movq mm2,mm0 ; mm0=in0=(00 01 02 03) - punpcklwd mm0,mm0 ; mm0=(00 00 01 01) - punpckhwd mm2,mm2 ; mm2=(02 02 03 03) - - movq mm1,mm0 - punpckldq mm0,mm0 ; mm0=(00 00 00 00) - punpckhdq mm1,mm1 ; mm1=(01 01 01 01) - movq mm3,mm2 - punpckldq mm2,mm2 ; mm2=(02 02 02 02) - punpckhdq mm3,mm3 ; mm3=(03 03 03 03) - - movq MMWORD [MMBLOCK(0,0,edi,SIZEOF_JCOEF)], mm0 - movq MMWORD [MMBLOCK(1,0,edi,SIZEOF_JCOEF)], mm1 - movq MMWORD [MMBLOCK(2,0,edi,SIZEOF_JCOEF)], mm2 - movq MMWORD [MMBLOCK(3,0,edi,SIZEOF_JCOEF)], mm3 - jmp near .nextcolumn - alignx 16,7 -%endif -.columnDCT: - - ; -- Odd part - - movq mm0, MMWORD [MMBLOCK(1,0,esi,SIZEOF_JCOEF)] - movq mm1, MMWORD [MMBLOCK(3,0,esi,SIZEOF_JCOEF)] - pmullw mm0, MMWORD [MMBLOCK(1,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - pmullw mm1, MMWORD [MMBLOCK(3,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - movq mm2, MMWORD [MMBLOCK(5,0,esi,SIZEOF_JCOEF)] - movq mm3, MMWORD [MMBLOCK(7,0,esi,SIZEOF_JCOEF)] - pmullw mm2, MMWORD [MMBLOCK(5,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - pmullw mm3, MMWORD [MMBLOCK(7,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - - movq mm4,mm0 - movq mm5,mm0 - punpcklwd mm4,mm1 - punpckhwd mm5,mm1 - movq mm0,mm4 - movq mm1,mm5 - pmaddwd mm4,[GOTOFF(ebx,PW_F256_F089)] ; mm4=(tmp2L) - pmaddwd mm5,[GOTOFF(ebx,PW_F256_F089)] ; mm5=(tmp2H) - pmaddwd mm0,[GOTOFF(ebx,PW_F106_MF217)] ; mm0=(tmp0L) - pmaddwd mm1,[GOTOFF(ebx,PW_F106_MF217)] ; mm1=(tmp0H) - - movq mm6,mm2 - movq mm7,mm2 - punpcklwd mm6,mm3 - punpckhwd mm7,mm3 - movq mm2,mm6 - movq mm3,mm7 - pmaddwd mm6,[GOTOFF(ebx,PW_MF060_MF050)] ; mm6=(tmp2L) - pmaddwd mm7,[GOTOFF(ebx,PW_MF060_MF050)] ; mm7=(tmp2H) - pmaddwd mm2,[GOTOFF(ebx,PW_F145_MF021)] ; mm2=(tmp0L) - pmaddwd mm3,[GOTOFF(ebx,PW_F145_MF021)] ; mm3=(tmp0H) - - paddd mm6,mm4 ; mm6=tmp2L - paddd mm7,mm5 ; mm7=tmp2H - paddd mm2,mm0 ; mm2=tmp0L - paddd mm3,mm1 ; mm3=tmp0H - - movq MMWORD [wk(0)], mm2 ; wk(0)=tmp0L - movq MMWORD [wk(1)], mm3 ; wk(1)=tmp0H - - ; -- Even part - - movq mm4, MMWORD [MMBLOCK(0,0,esi,SIZEOF_JCOEF)] - movq mm5, MMWORD [MMBLOCK(2,0,esi,SIZEOF_JCOEF)] - movq mm0, MMWORD [MMBLOCK(6,0,esi,SIZEOF_JCOEF)] - pmullw mm4, MMWORD [MMBLOCK(0,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - pmullw mm5, MMWORD [MMBLOCK(2,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - pmullw mm0, MMWORD [MMBLOCK(6,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - - pxor mm1,mm1 - pxor mm2,mm2 - punpcklwd mm1,mm4 ; mm1=tmp0L - punpckhwd mm2,mm4 ; mm2=tmp0H - psrad mm1,(16-CONST_BITS-1) ; psrad mm1,16 & pslld mm1,CONST_BITS+1 - psrad mm2,(16-CONST_BITS-1) ; psrad mm2,16 & pslld mm2,CONST_BITS+1 - - movq mm3,mm5 ; mm5=in2=z2 - punpcklwd mm5,mm0 ; mm0=in6=z3 - punpckhwd mm3,mm0 - pmaddwd mm5,[GOTOFF(ebx,PW_F184_MF076)] ; mm5=tmp2L - pmaddwd mm3,[GOTOFF(ebx,PW_F184_MF076)] ; mm3=tmp2H - - movq mm4,mm1 - movq mm0,mm2 - paddd mm1,mm5 ; mm1=tmp10L - paddd mm2,mm3 ; mm2=tmp10H - psubd mm4,mm5 ; mm4=tmp12L - psubd mm0,mm3 ; mm0=tmp12H - - ; -- Final output stage - - movq mm5,mm1 - movq mm3,mm2 - paddd mm1,mm6 ; mm1=data0L - paddd mm2,mm7 ; mm2=data0H - psubd mm5,mm6 ; mm5=data3L - psubd mm3,mm7 ; mm3=data3H - - movq mm6,[GOTOFF(ebx,PD_DESCALE_P1_4)] ; mm6=[PD_DESCALE_P1_4] - - paddd mm1,mm6 - paddd mm2,mm6 - psrad mm1,DESCALE_P1_4 - psrad mm2,DESCALE_P1_4 - paddd mm5,mm6 - paddd mm3,mm6 - psrad mm5,DESCALE_P1_4 - psrad mm3,DESCALE_P1_4 - - packssdw mm1,mm2 ; mm1=data0=(00 01 02 03) - packssdw mm5,mm3 ; mm5=data3=(30 31 32 33) - - movq mm7, MMWORD [wk(0)] ; mm7=tmp0L - movq mm6, MMWORD [wk(1)] ; mm6=tmp0H - - movq mm2,mm4 - movq mm3,mm0 - paddd mm4,mm7 ; mm4=data1L - paddd mm0,mm6 ; mm0=data1H - psubd mm2,mm7 ; mm2=data2L - psubd mm3,mm6 ; mm3=data2H - - movq mm7,[GOTOFF(ebx,PD_DESCALE_P1_4)] ; mm7=[PD_DESCALE_P1_4] - - paddd mm4,mm7 - paddd mm0,mm7 - psrad mm4,DESCALE_P1_4 - psrad mm0,DESCALE_P1_4 - paddd mm2,mm7 - paddd mm3,mm7 - psrad mm2,DESCALE_P1_4 - psrad mm3,DESCALE_P1_4 - - packssdw mm4,mm0 ; mm4=data1=(10 11 12 13) - packssdw mm2,mm3 ; mm2=data2=(20 21 22 23) - - movq mm6,mm1 ; transpose coefficients(phase 1) - punpcklwd mm1,mm4 ; mm1=(00 10 01 11) - punpckhwd mm6,mm4 ; mm6=(02 12 03 13) - movq mm7,mm2 ; transpose coefficients(phase 1) - punpcklwd mm2,mm5 ; mm2=(20 30 21 31) - punpckhwd mm7,mm5 ; mm7=(22 32 23 33) - - movq mm0,mm1 ; transpose coefficients(phase 2) - punpckldq mm1,mm2 ; mm1=(00 10 20 30) - punpckhdq mm0,mm2 ; mm0=(01 11 21 31) - movq mm3,mm6 ; transpose coefficients(phase 2) - punpckldq mm6,mm7 ; mm6=(02 12 22 32) - punpckhdq mm3,mm7 ; mm3=(03 13 23 33) - - movq MMWORD [MMBLOCK(0,0,edi,SIZEOF_JCOEF)], mm1 - movq MMWORD [MMBLOCK(1,0,edi,SIZEOF_JCOEF)], mm0 - movq MMWORD [MMBLOCK(2,0,edi,SIZEOF_JCOEF)], mm6 - movq MMWORD [MMBLOCK(3,0,edi,SIZEOF_JCOEF)], mm3 - -.nextcolumn: - add esi, byte 4*SIZEOF_JCOEF ; coef_block - add edx, byte 4*SIZEOF_ISLOW_MULT_TYPE ; quantptr - add edi, byte 4*DCTSIZE*SIZEOF_JCOEF ; wsptr - dec ecx ; ctr - jnz near .columnloop - - ; ---- Pass 2: process rows from work array, store into output array. - - mov eax, [original_ebp] - lea esi, [workspace] ; JCOEF * wsptr - mov edi, JSAMPARRAY [output_buf(eax)] ; (JSAMPROW *) - mov eax, JDIMENSION [output_col(eax)] - - ; -- Odd part - - movq mm0, MMWORD [MMBLOCK(1,0,esi,SIZEOF_JCOEF)] - movq mm1, MMWORD [MMBLOCK(3,0,esi,SIZEOF_JCOEF)] - movq mm2, MMWORD [MMBLOCK(5,0,esi,SIZEOF_JCOEF)] - movq mm3, MMWORD [MMBLOCK(7,0,esi,SIZEOF_JCOEF)] - - movq mm4,mm0 - movq mm5,mm0 - punpcklwd mm4,mm1 - punpckhwd mm5,mm1 - movq mm0,mm4 - movq mm1,mm5 - pmaddwd mm4,[GOTOFF(ebx,PW_F256_F089)] ; mm4=(tmp2L) - pmaddwd mm5,[GOTOFF(ebx,PW_F256_F089)] ; mm5=(tmp2H) - pmaddwd mm0,[GOTOFF(ebx,PW_F106_MF217)] ; mm0=(tmp0L) - pmaddwd mm1,[GOTOFF(ebx,PW_F106_MF217)] ; mm1=(tmp0H) - - movq mm6,mm2 - movq mm7,mm2 - punpcklwd mm6,mm3 - punpckhwd mm7,mm3 - movq mm2,mm6 - movq mm3,mm7 - pmaddwd mm6,[GOTOFF(ebx,PW_MF060_MF050)] ; mm6=(tmp2L) - pmaddwd mm7,[GOTOFF(ebx,PW_MF060_MF050)] ; mm7=(tmp2H) - pmaddwd mm2,[GOTOFF(ebx,PW_F145_MF021)] ; mm2=(tmp0L) - pmaddwd mm3,[GOTOFF(ebx,PW_F145_MF021)] ; mm3=(tmp0H) - - paddd mm6,mm4 ; mm6=tmp2L - paddd mm7,mm5 ; mm7=tmp2H - paddd mm2,mm0 ; mm2=tmp0L - paddd mm3,mm1 ; mm3=tmp0H - - movq MMWORD [wk(0)], mm2 ; wk(0)=tmp0L - movq MMWORD [wk(1)], mm3 ; wk(1)=tmp0H - - ; -- Even part - - movq mm4, MMWORD [MMBLOCK(0,0,esi,SIZEOF_JCOEF)] - movq mm5, MMWORD [MMBLOCK(2,0,esi,SIZEOF_JCOEF)] - movq mm0, MMWORD [MMBLOCK(6,0,esi,SIZEOF_JCOEF)] - - pxor mm1,mm1 - pxor mm2,mm2 - punpcklwd mm1,mm4 ; mm1=tmp0L - punpckhwd mm2,mm4 ; mm2=tmp0H - psrad mm1,(16-CONST_BITS-1) ; psrad mm1,16 & pslld mm1,CONST_BITS+1 - psrad mm2,(16-CONST_BITS-1) ; psrad mm2,16 & pslld mm2,CONST_BITS+1 - - movq mm3,mm5 ; mm5=in2=z2 - punpcklwd mm5,mm0 ; mm0=in6=z3 - punpckhwd mm3,mm0 - pmaddwd mm5,[GOTOFF(ebx,PW_F184_MF076)] ; mm5=tmp2L - pmaddwd mm3,[GOTOFF(ebx,PW_F184_MF076)] ; mm3=tmp2H - - movq mm4,mm1 - movq mm0,mm2 - paddd mm1,mm5 ; mm1=tmp10L - paddd mm2,mm3 ; mm2=tmp10H - psubd mm4,mm5 ; mm4=tmp12L - psubd mm0,mm3 ; mm0=tmp12H - - ; -- Final output stage - - movq mm5,mm1 - movq mm3,mm2 - paddd mm1,mm6 ; mm1=data0L - paddd mm2,mm7 ; mm2=data0H - psubd mm5,mm6 ; mm5=data3L - psubd mm3,mm7 ; mm3=data3H - - movq mm6,[GOTOFF(ebx,PD_DESCALE_P2_4)] ; mm6=[PD_DESCALE_P2_4] - - paddd mm1,mm6 - paddd mm2,mm6 - psrad mm1,DESCALE_P2_4 - psrad mm2,DESCALE_P2_4 - paddd mm5,mm6 - paddd mm3,mm6 - psrad mm5,DESCALE_P2_4 - psrad mm3,DESCALE_P2_4 - - packssdw mm1,mm2 ; mm1=data0=(00 10 20 30) - packssdw mm5,mm3 ; mm5=data3=(03 13 23 33) - - movq mm7, MMWORD [wk(0)] ; mm7=tmp0L - movq mm6, MMWORD [wk(1)] ; mm6=tmp0H - - movq mm2,mm4 - movq mm3,mm0 - paddd mm4,mm7 ; mm4=data1L - paddd mm0,mm6 ; mm0=data1H - psubd mm2,mm7 ; mm2=data2L - psubd mm3,mm6 ; mm3=data2H - - movq mm7,[GOTOFF(ebx,PD_DESCALE_P2_4)] ; mm7=[PD_DESCALE_P2_4] - - paddd mm4,mm7 - paddd mm0,mm7 - psrad mm4,DESCALE_P2_4 - psrad mm0,DESCALE_P2_4 - paddd mm2,mm7 - paddd mm3,mm7 - psrad mm2,DESCALE_P2_4 - psrad mm3,DESCALE_P2_4 - - packssdw mm4,mm0 ; mm4=data1=(01 11 21 31) - packssdw mm2,mm3 ; mm2=data2=(02 12 22 32) - - movq mm6,[GOTOFF(ebx,PB_CENTERJSAMP)] ; mm6=[PB_CENTERJSAMP] - - packsswb mm1,mm2 ; mm1=(00 10 20 30 02 12 22 32) - packsswb mm4,mm5 ; mm4=(01 11 21 31 03 13 23 33) - paddb mm1,mm6 - paddb mm4,mm6 - - movq mm7,mm1 ; transpose coefficients(phase 1) - punpcklbw mm1,mm4 ; mm1=(00 01 10 11 20 21 30 31) - punpckhbw mm7,mm4 ; mm7=(02 03 12 13 22 23 32 33) - - movq mm0,mm1 ; transpose coefficients(phase 2) - punpcklwd mm1,mm7 ; mm1=(00 01 02 03 10 11 12 13) - punpckhwd mm0,mm7 ; mm0=(20 21 22 23 30 31 32 33) - - mov edx, JSAMPROW [edi+0*SIZEOF_JSAMPROW] - mov esi, JSAMPROW [edi+2*SIZEOF_JSAMPROW] - movd DWORD [edx+eax*SIZEOF_JSAMPLE], mm1 - movd DWORD [esi+eax*SIZEOF_JSAMPLE], mm0 - - psrlq mm1,4*BYTE_BIT - psrlq mm0,4*BYTE_BIT - - mov edx, JSAMPROW [edi+1*SIZEOF_JSAMPROW] - mov esi, JSAMPROW [edi+3*SIZEOF_JSAMPROW] - movd DWORD [edx+eax*SIZEOF_JSAMPLE], mm1 - movd DWORD [esi+eax*SIZEOF_JSAMPLE], mm0 - - emms ; empty MMX state - - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved - poppic ebx - mov esp,ebp ; esp <- aligned ebp - pop esp ; esp <- original ebp - pop ebp - ret - - -; -------------------------------------------------------------------------- -; -; Perform dequantization and inverse DCT on one block of coefficients, -; producing a reduced-size 2x2 output block. -; -; GLOBAL(void) -; jsimd_idct_2x2_mmx (void * dct_table, JCOEFPTR coef_block, -; JSAMPARRAY output_buf, JDIMENSION output_col) -; - -%define dct_table(b) (b)+8 ; void * dct_table -%define coef_block(b) (b)+12 ; JCOEFPTR coef_block -%define output_buf(b) (b)+16 ; JSAMPARRAY output_buf -%define output_col(b) (b)+20 ; JDIMENSION output_col - - align 16 - global EXTN(jsimd_idct_2x2_mmx) - -EXTN(jsimd_idct_2x2_mmx): - push ebp - mov ebp,esp - push ebx -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - get_GOT ebx ; get GOT address - - ; ---- Pass 1: process columns from input. - - mov edx, POINTER [dct_table(ebp)] ; quantptr - mov esi, JCOEFPTR [coef_block(ebp)] ; inptr - - ; | input: | result: | - ; | 00 01 ** 03 ** 05 ** 07 | | - ; | 10 11 ** 13 ** 15 ** 17 | | - ; | ** ** ** ** ** ** ** ** | | - ; | 30 31 ** 33 ** 35 ** 37 | A0 A1 A3 A5 A7 | - ; | ** ** ** ** ** ** ** ** | B0 B1 B3 B5 B7 | - ; | 50 51 ** 53 ** 55 ** 57 | | - ; | ** ** ** ** ** ** ** ** | | - ; | 70 71 ** 73 ** 75 ** 77 | | - - ; -- Odd part - - movq mm0, MMWORD [MMBLOCK(1,0,esi,SIZEOF_JCOEF)] - movq mm1, MMWORD [MMBLOCK(3,0,esi,SIZEOF_JCOEF)] - pmullw mm0, MMWORD [MMBLOCK(1,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - pmullw mm1, MMWORD [MMBLOCK(3,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - movq mm2, MMWORD [MMBLOCK(5,0,esi,SIZEOF_JCOEF)] - movq mm3, MMWORD [MMBLOCK(7,0,esi,SIZEOF_JCOEF)] - pmullw mm2, MMWORD [MMBLOCK(5,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - pmullw mm3, MMWORD [MMBLOCK(7,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - - ; mm0=(10 11 ** 13), mm1=(30 31 ** 33) - ; mm2=(50 51 ** 53), mm3=(70 71 ** 73) - - pcmpeqd mm7,mm7 - pslld mm7,WORD_BIT ; mm7={0x0000 0xFFFF 0x0000 0xFFFF} - - movq mm4,mm0 ; mm4=(10 11 ** 13) - movq mm5,mm2 ; mm5=(50 51 ** 53) - punpcklwd mm4,mm1 ; mm4=(10 30 11 31) - punpcklwd mm5,mm3 ; mm5=(50 70 51 71) - pmaddwd mm4,[GOTOFF(ebx,PW_F362_MF127)] - pmaddwd mm5,[GOTOFF(ebx,PW_F085_MF072)] - - psrld mm0,WORD_BIT ; mm0=(11 -- 13 --) - pand mm1,mm7 ; mm1=(-- 31 -- 33) - psrld mm2,WORD_BIT ; mm2=(51 -- 53 --) - pand mm3,mm7 ; mm3=(-- 71 -- 73) - por mm0,mm1 ; mm0=(11 31 13 33) - por mm2,mm3 ; mm2=(51 71 53 73) - pmaddwd mm0,[GOTOFF(ebx,PW_F362_MF127)] - pmaddwd mm2,[GOTOFF(ebx,PW_F085_MF072)] - - paddd mm4,mm5 ; mm4=tmp0[col0 col1] - - movq mm6, MMWORD [MMBLOCK(1,1,esi,SIZEOF_JCOEF)] - movq mm1, MMWORD [MMBLOCK(3,1,esi,SIZEOF_JCOEF)] - pmullw mm6, MMWORD [MMBLOCK(1,1,edx,SIZEOF_ISLOW_MULT_TYPE)] - pmullw mm1, MMWORD [MMBLOCK(3,1,edx,SIZEOF_ISLOW_MULT_TYPE)] - movq mm3, MMWORD [MMBLOCK(5,1,esi,SIZEOF_JCOEF)] - movq mm5, MMWORD [MMBLOCK(7,1,esi,SIZEOF_JCOEF)] - pmullw mm3, MMWORD [MMBLOCK(5,1,edx,SIZEOF_ISLOW_MULT_TYPE)] - pmullw mm5, MMWORD [MMBLOCK(7,1,edx,SIZEOF_ISLOW_MULT_TYPE)] - - ; mm6=(** 15 ** 17), mm1=(** 35 ** 37) - ; mm3=(** 55 ** 57), mm5=(** 75 ** 77) - - psrld mm6,WORD_BIT ; mm6=(15 -- 17 --) - pand mm1,mm7 ; mm1=(-- 35 -- 37) - psrld mm3,WORD_BIT ; mm3=(55 -- 57 --) - pand mm5,mm7 ; mm5=(-- 75 -- 77) - por mm6,mm1 ; mm6=(15 35 17 37) - por mm3,mm5 ; mm3=(55 75 57 77) - pmaddwd mm6,[GOTOFF(ebx,PW_F362_MF127)] - pmaddwd mm3,[GOTOFF(ebx,PW_F085_MF072)] - - paddd mm0,mm2 ; mm0=tmp0[col1 col3] - paddd mm6,mm3 ; mm6=tmp0[col5 col7] - - ; -- Even part - - movq mm1, MMWORD [MMBLOCK(0,0,esi,SIZEOF_JCOEF)] - movq mm5, MMWORD [MMBLOCK(0,1,esi,SIZEOF_JCOEF)] - pmullw mm1, MMWORD [MMBLOCK(0,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - pmullw mm5, MMWORD [MMBLOCK(0,1,edx,SIZEOF_ISLOW_MULT_TYPE)] - - ; mm1=(00 01 ** 03), mm5=(** 05 ** 07) - - movq mm2,mm1 ; mm2=(00 01 ** 03) - pslld mm1,WORD_BIT ; mm1=(-- 00 -- **) - psrad mm1,(WORD_BIT-CONST_BITS-2) ; mm1=tmp10[col0 ****] - - pand mm2,mm7 ; mm2=(-- 01 -- 03) - pand mm5,mm7 ; mm5=(-- 05 -- 07) - psrad mm2,(WORD_BIT-CONST_BITS-2) ; mm2=tmp10[col1 col3] - psrad mm5,(WORD_BIT-CONST_BITS-2) ; mm5=tmp10[col5 col7] - - ; -- Final output stage - - movq mm3,mm1 - paddd mm1,mm4 ; mm1=data0[col0 ****]=(A0 **) - psubd mm3,mm4 ; mm3=data1[col0 ****]=(B0 **) - punpckldq mm1,mm3 ; mm1=(A0 B0) - - movq mm7,[GOTOFF(ebx,PD_DESCALE_P1_2)] ; mm7=[PD_DESCALE_P1_2] - - movq mm4,mm2 - movq mm3,mm5 - paddd mm2,mm0 ; mm2=data0[col1 col3]=(A1 A3) - paddd mm5,mm6 ; mm5=data0[col5 col7]=(A5 A7) - psubd mm4,mm0 ; mm4=data1[col1 col3]=(B1 B3) - psubd mm3,mm6 ; mm3=data1[col5 col7]=(B5 B7) - - paddd mm1,mm7 - psrad mm1,DESCALE_P1_2 - - paddd mm2,mm7 - paddd mm5,mm7 - psrad mm2,DESCALE_P1_2 - psrad mm5,DESCALE_P1_2 - paddd mm4,mm7 - paddd mm3,mm7 - psrad mm4,DESCALE_P1_2 - psrad mm3,DESCALE_P1_2 - - ; ---- Pass 2: process rows, store into output array. - - mov edi, JSAMPARRAY [output_buf(ebp)] ; (JSAMPROW *) - mov eax, JDIMENSION [output_col(ebp)] - - ; | input:| result:| - ; | A0 B0 | | - ; | A1 B1 | C0 C1 | - ; | A3 B3 | D0 D1 | - ; | A5 B5 | | - ; | A7 B7 | | - - ; -- Odd part - - packssdw mm2,mm4 ; mm2=(A1 A3 B1 B3) - packssdw mm5,mm3 ; mm5=(A5 A7 B5 B7) - pmaddwd mm2,[GOTOFF(ebx,PW_F362_MF127)] - pmaddwd mm5,[GOTOFF(ebx,PW_F085_MF072)] - - paddd mm2,mm5 ; mm2=tmp0[row0 row1] - - ; -- Even part - - pslld mm1,(CONST_BITS+2) ; mm1=tmp10[row0 row1] - - ; -- Final output stage - - movq mm0,[GOTOFF(ebx,PD_DESCALE_P2_2)] ; mm0=[PD_DESCALE_P2_2] - - movq mm6,mm1 - paddd mm1,mm2 ; mm1=data0[row0 row1]=(C0 C1) - psubd mm6,mm2 ; mm6=data1[row0 row1]=(D0 D1) - - paddd mm1,mm0 - paddd mm6,mm0 - psrad mm1,DESCALE_P2_2 - psrad mm6,DESCALE_P2_2 - - movq mm7,mm1 ; transpose coefficients - punpckldq mm1,mm6 ; mm1=(C0 D0) - punpckhdq mm7,mm6 ; mm7=(C1 D1) - - packssdw mm1,mm7 ; mm1=(C0 D0 C1 D1) - packsswb mm1,mm1 ; mm1=(C0 D0 C1 D1 C0 D0 C1 D1) - paddb mm1,[GOTOFF(ebx,PB_CENTERJSAMP)] - - movd ecx,mm1 - movd ebx,mm1 ; ebx=(C0 D0 C1 D1) - shr ecx,2*BYTE_BIT ; ecx=(C1 D1 -- --) - - mov edx, JSAMPROW [edi+0*SIZEOF_JSAMPROW] - mov esi, JSAMPROW [edi+1*SIZEOF_JSAMPROW] - mov WORD [edx+eax*SIZEOF_JSAMPLE], bx - mov WORD [esi+eax*SIZEOF_JSAMPLE], cx - - emms ; empty MMX state - - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved - pop ebx - pop ebp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jiss2flt-64.asm b/common/jpeg/simd/jiss2flt-64.asm deleted file mode 100644 index 6e7e6d42..00000000 --- a/common/jpeg/simd/jiss2flt-64.asm +++ /dev/null @@ -1,483 +0,0 @@ -; -; jiss2flt-64.asm - floating-point IDCT (64-bit SSE & SSE2) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; Copyright 2009 D. R. Commander -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; This file contains a floating-point implementation of the inverse DCT -; (Discrete Cosine Transform). The following code is based directly on -; the IJG's original jidctflt.c; see the jidctflt.c for more details. -; -; [TAB8] - -%include "jsimdext.inc" -%include "jdct.inc" - -; -------------------------------------------------------------------------- - -%macro unpcklps2 2 ; %1=(0 1 2 3) / %2=(4 5 6 7) => %1=(0 1 4 5) - shufps %1,%2,0x44 -%endmacro - -%macro unpckhps2 2 ; %1=(0 1 2 3) / %2=(4 5 6 7) => %1=(2 3 6 7) - shufps %1,%2,0xEE -%endmacro - -; -------------------------------------------------------------------------- - SECTION SEG_CONST - - alignz 16 - global EXTN(jconst_idct_float_sse2) - -EXTN(jconst_idct_float_sse2): - -PD_1_414 times 4 dd 1.414213562373095048801689 -PD_1_847 times 4 dd 1.847759065022573512256366 -PD_1_082 times 4 dd 1.082392200292393968799446 -PD_M2_613 times 4 dd -2.613125929752753055713286 -PD_RNDINT_MAGIC times 4 dd 100663296.0 ; (float)(0x00C00000 << 3) -PB_CENTERJSAMP times 16 db CENTERJSAMPLE - - alignz 16 - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 64 -; -; Perform dequantization and inverse DCT on one block of coefficients. -; -; GLOBAL(void) -; jsimd_idct_float_sse2 (void * dct_table, JCOEFPTR coef_block, -; JSAMPARRAY output_buf, JDIMENSION output_col) -; - -; r10 = void * dct_table -; r11 = JCOEFPTR coef_block -; r12 = JSAMPARRAY output_buf -; r13 = JDIMENSION output_col - -%define original_rbp rbp+0 -%define wk(i) rbp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM] -%define WK_NUM 2 -%define workspace wk(0)-DCTSIZE2*SIZEOF_FAST_FLOAT - ; FAST_FLOAT workspace[DCTSIZE2] - - align 16 - global EXTN(jsimd_idct_float_sse2) - -EXTN(jsimd_idct_float_sse2): - push rbp - mov rax,rsp ; rax = original rbp - sub rsp, byte 4 - and rsp, byte (-SIZEOF_XMMWORD) ; align to 128 bits - mov [rsp],rax - mov rbp,rsp ; rbp = aligned rbp - lea rsp, [workspace] - collect_args - push rbx - - ; ---- Pass 1: process columns from input, store into work array. - - mov rdx, r10 ; quantptr - mov rsi, r11 ; inptr - lea rdi, [workspace] ; FAST_FLOAT * wsptr - mov rcx, DCTSIZE/4 ; ctr -.columnloop: -%ifndef NO_ZERO_COLUMN_TEST_FLOAT_SSE - mov eax, DWORD [DWBLOCK(1,0,rsi,SIZEOF_JCOEF)] - or eax, DWORD [DWBLOCK(2,0,rsi,SIZEOF_JCOEF)] - jnz near .columnDCT - - movq xmm1, XMM_MMWORD [MMBLOCK(1,0,rsi,SIZEOF_JCOEF)] - movq xmm2, XMM_MMWORD [MMBLOCK(2,0,rsi,SIZEOF_JCOEF)] - movq xmm3, XMM_MMWORD [MMBLOCK(3,0,rsi,SIZEOF_JCOEF)] - movq xmm4, XMM_MMWORD [MMBLOCK(4,0,rsi,SIZEOF_JCOEF)] - movq xmm5, XMM_MMWORD [MMBLOCK(5,0,rsi,SIZEOF_JCOEF)] - movq xmm6, XMM_MMWORD [MMBLOCK(6,0,rsi,SIZEOF_JCOEF)] - movq xmm7, XMM_MMWORD [MMBLOCK(7,0,rsi,SIZEOF_JCOEF)] - por xmm1,xmm2 - por xmm3,xmm4 - por xmm5,xmm6 - por xmm1,xmm3 - por xmm5,xmm7 - por xmm1,xmm5 - packsswb xmm1,xmm1 - movd eax,xmm1 - test rax,rax - jnz short .columnDCT - - ; -- AC terms all zero - - movq xmm0, XMM_MMWORD [MMBLOCK(0,0,rsi,SIZEOF_JCOEF)] - - punpcklwd xmm0,xmm0 ; xmm0=(00 00 01 01 02 02 03 03) - psrad xmm0,(DWORD_BIT-WORD_BIT) ; xmm0=in0=(00 01 02 03) - cvtdq2ps xmm0,xmm0 ; xmm0=in0=(00 01 02 03) - - mulps xmm0, XMMWORD [XMMBLOCK(0,0,rdx,SIZEOF_FLOAT_MULT_TYPE)] - - movaps xmm1,xmm0 - movaps xmm2,xmm0 - movaps xmm3,xmm0 - - shufps xmm0,xmm0,0x00 ; xmm0=(00 00 00 00) - shufps xmm1,xmm1,0x55 ; xmm1=(01 01 01 01) - shufps xmm2,xmm2,0xAA ; xmm2=(02 02 02 02) - shufps xmm3,xmm3,0xFF ; xmm3=(03 03 03 03) - - movaps XMMWORD [XMMBLOCK(0,0,rdi,SIZEOF_FAST_FLOAT)], xmm0 - movaps XMMWORD [XMMBLOCK(0,1,rdi,SIZEOF_FAST_FLOAT)], xmm0 - movaps XMMWORD [XMMBLOCK(1,0,rdi,SIZEOF_FAST_FLOAT)], xmm1 - movaps XMMWORD [XMMBLOCK(1,1,rdi,SIZEOF_FAST_FLOAT)], xmm1 - movaps XMMWORD [XMMBLOCK(2,0,rdi,SIZEOF_FAST_FLOAT)], xmm2 - movaps XMMWORD [XMMBLOCK(2,1,rdi,SIZEOF_FAST_FLOAT)], xmm2 - movaps XMMWORD [XMMBLOCK(3,0,rdi,SIZEOF_FAST_FLOAT)], xmm3 - movaps XMMWORD [XMMBLOCK(3,1,rdi,SIZEOF_FAST_FLOAT)], xmm3 - jmp near .nextcolumn -%endif -.columnDCT: - - ; -- Even part - - movq xmm0, XMM_MMWORD [MMBLOCK(0,0,rsi,SIZEOF_JCOEF)] - movq xmm1, XMM_MMWORD [MMBLOCK(2,0,rsi,SIZEOF_JCOEF)] - movq xmm2, XMM_MMWORD [MMBLOCK(4,0,rsi,SIZEOF_JCOEF)] - movq xmm3, XMM_MMWORD [MMBLOCK(6,0,rsi,SIZEOF_JCOEF)] - - punpcklwd xmm0,xmm0 ; xmm0=(00 00 01 01 02 02 03 03) - punpcklwd xmm1,xmm1 ; xmm1=(20 20 21 21 22 22 23 23) - psrad xmm0,(DWORD_BIT-WORD_BIT) ; xmm0=in0=(00 01 02 03) - psrad xmm1,(DWORD_BIT-WORD_BIT) ; xmm1=in2=(20 21 22 23) - cvtdq2ps xmm0,xmm0 ; xmm0=in0=(00 01 02 03) - cvtdq2ps xmm1,xmm1 ; xmm1=in2=(20 21 22 23) - - punpcklwd xmm2,xmm2 ; xmm2=(40 40 41 41 42 42 43 43) - punpcklwd xmm3,xmm3 ; xmm3=(60 60 61 61 62 62 63 63) - psrad xmm2,(DWORD_BIT-WORD_BIT) ; xmm2=in4=(40 41 42 43) - psrad xmm3,(DWORD_BIT-WORD_BIT) ; xmm3=in6=(60 61 62 63) - cvtdq2ps xmm2,xmm2 ; xmm2=in4=(40 41 42 43) - cvtdq2ps xmm3,xmm3 ; xmm3=in6=(60 61 62 63) - - mulps xmm0, XMMWORD [XMMBLOCK(0,0,rdx,SIZEOF_FLOAT_MULT_TYPE)] - mulps xmm1, XMMWORD [XMMBLOCK(2,0,rdx,SIZEOF_FLOAT_MULT_TYPE)] - mulps xmm2, XMMWORD [XMMBLOCK(4,0,rdx,SIZEOF_FLOAT_MULT_TYPE)] - mulps xmm3, XMMWORD [XMMBLOCK(6,0,rdx,SIZEOF_FLOAT_MULT_TYPE)] - - movaps xmm4,xmm0 - movaps xmm5,xmm1 - subps xmm0,xmm2 ; xmm0=tmp11 - subps xmm1,xmm3 - addps xmm4,xmm2 ; xmm4=tmp10 - addps xmm5,xmm3 ; xmm5=tmp13 - - mulps xmm1,[rel PD_1_414] - subps xmm1,xmm5 ; xmm1=tmp12 - - movaps xmm6,xmm4 - movaps xmm7,xmm0 - subps xmm4,xmm5 ; xmm4=tmp3 - subps xmm0,xmm1 ; xmm0=tmp2 - addps xmm6,xmm5 ; xmm6=tmp0 - addps xmm7,xmm1 ; xmm7=tmp1 - - movaps XMMWORD [wk(1)], xmm4 ; tmp3 - movaps XMMWORD [wk(0)], xmm0 ; tmp2 - - ; -- Odd part - - movq xmm2, XMM_MMWORD [MMBLOCK(1,0,rsi,SIZEOF_JCOEF)] - movq xmm3, XMM_MMWORD [MMBLOCK(3,0,rsi,SIZEOF_JCOEF)] - movq xmm5, XMM_MMWORD [MMBLOCK(5,0,rsi,SIZEOF_JCOEF)] - movq xmm1, XMM_MMWORD [MMBLOCK(7,0,rsi,SIZEOF_JCOEF)] - - punpcklwd xmm2,xmm2 ; xmm2=(10 10 11 11 12 12 13 13) - punpcklwd xmm3,xmm3 ; xmm3=(30 30 31 31 32 32 33 33) - psrad xmm2,(DWORD_BIT-WORD_BIT) ; xmm2=in1=(10 11 12 13) - psrad xmm3,(DWORD_BIT-WORD_BIT) ; xmm3=in3=(30 31 32 33) - cvtdq2ps xmm2,xmm2 ; xmm2=in1=(10 11 12 13) - cvtdq2ps xmm3,xmm3 ; xmm3=in3=(30 31 32 33) - - punpcklwd xmm5,xmm5 ; xmm5=(50 50 51 51 52 52 53 53) - punpcklwd xmm1,xmm1 ; xmm1=(70 70 71 71 72 72 73 73) - psrad xmm5,(DWORD_BIT-WORD_BIT) ; xmm5=in5=(50 51 52 53) - psrad xmm1,(DWORD_BIT-WORD_BIT) ; xmm1=in7=(70 71 72 73) - cvtdq2ps xmm5,xmm5 ; xmm5=in5=(50 51 52 53) - cvtdq2ps xmm1,xmm1 ; xmm1=in7=(70 71 72 73) - - mulps xmm2, XMMWORD [XMMBLOCK(1,0,rdx,SIZEOF_FLOAT_MULT_TYPE)] - mulps xmm3, XMMWORD [XMMBLOCK(3,0,rdx,SIZEOF_FLOAT_MULT_TYPE)] - mulps xmm5, XMMWORD [XMMBLOCK(5,0,rdx,SIZEOF_FLOAT_MULT_TYPE)] - mulps xmm1, XMMWORD [XMMBLOCK(7,0,rdx,SIZEOF_FLOAT_MULT_TYPE)] - - movaps xmm4,xmm2 - movaps xmm0,xmm5 - addps xmm2,xmm1 ; xmm2=z11 - addps xmm5,xmm3 ; xmm5=z13 - subps xmm4,xmm1 ; xmm4=z12 - subps xmm0,xmm3 ; xmm0=z10 - - movaps xmm1,xmm2 - subps xmm2,xmm5 - addps xmm1,xmm5 ; xmm1=tmp7 - - mulps xmm2,[rel PD_1_414] ; xmm2=tmp11 - - movaps xmm3,xmm0 - addps xmm0,xmm4 - mulps xmm0,[rel PD_1_847] ; xmm0=z5 - mulps xmm3,[rel PD_M2_613] ; xmm3=(z10 * -2.613125930) - mulps xmm4,[rel PD_1_082] ; xmm4=(z12 * 1.082392200) - addps xmm3,xmm0 ; xmm3=tmp12 - subps xmm4,xmm0 ; xmm4=tmp10 - - ; -- Final output stage - - subps xmm3,xmm1 ; xmm3=tmp6 - movaps xmm5,xmm6 - movaps xmm0,xmm7 - addps xmm6,xmm1 ; xmm6=data0=(00 01 02 03) - addps xmm7,xmm3 ; xmm7=data1=(10 11 12 13) - subps xmm5,xmm1 ; xmm5=data7=(70 71 72 73) - subps xmm0,xmm3 ; xmm0=data6=(60 61 62 63) - subps xmm2,xmm3 ; xmm2=tmp5 - - movaps xmm1,xmm6 ; transpose coefficients(phase 1) - unpcklps xmm6,xmm7 ; xmm6=(00 10 01 11) - unpckhps xmm1,xmm7 ; xmm1=(02 12 03 13) - movaps xmm3,xmm0 ; transpose coefficients(phase 1) - unpcklps xmm0,xmm5 ; xmm0=(60 70 61 71) - unpckhps xmm3,xmm5 ; xmm3=(62 72 63 73) - - movaps xmm7, XMMWORD [wk(0)] ; xmm7=tmp2 - movaps xmm5, XMMWORD [wk(1)] ; xmm5=tmp3 - - movaps XMMWORD [wk(0)], xmm0 ; wk(0)=(60 70 61 71) - movaps XMMWORD [wk(1)], xmm3 ; wk(1)=(62 72 63 73) - - addps xmm4,xmm2 ; xmm4=tmp4 - movaps xmm0,xmm7 - movaps xmm3,xmm5 - addps xmm7,xmm2 ; xmm7=data2=(20 21 22 23) - addps xmm5,xmm4 ; xmm5=data4=(40 41 42 43) - subps xmm0,xmm2 ; xmm0=data5=(50 51 52 53) - subps xmm3,xmm4 ; xmm3=data3=(30 31 32 33) - - movaps xmm2,xmm7 ; transpose coefficients(phase 1) - unpcklps xmm7,xmm3 ; xmm7=(20 30 21 31) - unpckhps xmm2,xmm3 ; xmm2=(22 32 23 33) - movaps xmm4,xmm5 ; transpose coefficients(phase 1) - unpcklps xmm5,xmm0 ; xmm5=(40 50 41 51) - unpckhps xmm4,xmm0 ; xmm4=(42 52 43 53) - - movaps xmm3,xmm6 ; transpose coefficients(phase 2) - unpcklps2 xmm6,xmm7 ; xmm6=(00 10 20 30) - unpckhps2 xmm3,xmm7 ; xmm3=(01 11 21 31) - movaps xmm0,xmm1 ; transpose coefficients(phase 2) - unpcklps2 xmm1,xmm2 ; xmm1=(02 12 22 32) - unpckhps2 xmm0,xmm2 ; xmm0=(03 13 23 33) - - movaps xmm7, XMMWORD [wk(0)] ; xmm7=(60 70 61 71) - movaps xmm2, XMMWORD [wk(1)] ; xmm2=(62 72 63 73) - - movaps XMMWORD [XMMBLOCK(0,0,rdi,SIZEOF_FAST_FLOAT)], xmm6 - movaps XMMWORD [XMMBLOCK(1,0,rdi,SIZEOF_FAST_FLOAT)], xmm3 - movaps XMMWORD [XMMBLOCK(2,0,rdi,SIZEOF_FAST_FLOAT)], xmm1 - movaps XMMWORD [XMMBLOCK(3,0,rdi,SIZEOF_FAST_FLOAT)], xmm0 - - movaps xmm6,xmm5 ; transpose coefficients(phase 2) - unpcklps2 xmm5,xmm7 ; xmm5=(40 50 60 70) - unpckhps2 xmm6,xmm7 ; xmm6=(41 51 61 71) - movaps xmm3,xmm4 ; transpose coefficients(phase 2) - unpcklps2 xmm4,xmm2 ; xmm4=(42 52 62 72) - unpckhps2 xmm3,xmm2 ; xmm3=(43 53 63 73) - - movaps XMMWORD [XMMBLOCK(0,1,rdi,SIZEOF_FAST_FLOAT)], xmm5 - movaps XMMWORD [XMMBLOCK(1,1,rdi,SIZEOF_FAST_FLOAT)], xmm6 - movaps XMMWORD [XMMBLOCK(2,1,rdi,SIZEOF_FAST_FLOAT)], xmm4 - movaps XMMWORD [XMMBLOCK(3,1,rdi,SIZEOF_FAST_FLOAT)], xmm3 - -.nextcolumn: - add rsi, byte 4*SIZEOF_JCOEF ; coef_block - add rdx, byte 4*SIZEOF_FLOAT_MULT_TYPE ; quantptr - add rdi, 4*DCTSIZE*SIZEOF_FAST_FLOAT ; wsptr - dec rcx ; ctr - jnz near .columnloop - - ; -- Prefetch the next coefficient block - - prefetchnta [rsi + (DCTSIZE2-8)*SIZEOF_JCOEF + 0*32] - prefetchnta [rsi + (DCTSIZE2-8)*SIZEOF_JCOEF + 1*32] - prefetchnta [rsi + (DCTSIZE2-8)*SIZEOF_JCOEF + 2*32] - prefetchnta [rsi + (DCTSIZE2-8)*SIZEOF_JCOEF + 3*32] - - ; ---- Pass 2: process rows from work array, store into output array. - - mov rax, [original_rbp] - lea rsi, [workspace] ; FAST_FLOAT * wsptr - mov rdi, r12 ; (JSAMPROW *) - mov rax, r13 - mov rcx, DCTSIZE/4 ; ctr -.rowloop: - - ; -- Even part - - movaps xmm0, XMMWORD [XMMBLOCK(0,0,rsi,SIZEOF_FAST_FLOAT)] - movaps xmm1, XMMWORD [XMMBLOCK(2,0,rsi,SIZEOF_FAST_FLOAT)] - movaps xmm2, XMMWORD [XMMBLOCK(4,0,rsi,SIZEOF_FAST_FLOAT)] - movaps xmm3, XMMWORD [XMMBLOCK(6,0,rsi,SIZEOF_FAST_FLOAT)] - - movaps xmm4,xmm0 - movaps xmm5,xmm1 - subps xmm0,xmm2 ; xmm0=tmp11 - subps xmm1,xmm3 - addps xmm4,xmm2 ; xmm4=tmp10 - addps xmm5,xmm3 ; xmm5=tmp13 - - mulps xmm1,[rel PD_1_414] - subps xmm1,xmm5 ; xmm1=tmp12 - - movaps xmm6,xmm4 - movaps xmm7,xmm0 - subps xmm4,xmm5 ; xmm4=tmp3 - subps xmm0,xmm1 ; xmm0=tmp2 - addps xmm6,xmm5 ; xmm6=tmp0 - addps xmm7,xmm1 ; xmm7=tmp1 - - movaps XMMWORD [wk(1)], xmm4 ; tmp3 - movaps XMMWORD [wk(0)], xmm0 ; tmp2 - - ; -- Odd part - - movaps xmm2, XMMWORD [XMMBLOCK(1,0,rsi,SIZEOF_FAST_FLOAT)] - movaps xmm3, XMMWORD [XMMBLOCK(3,0,rsi,SIZEOF_FAST_FLOAT)] - movaps xmm5, XMMWORD [XMMBLOCK(5,0,rsi,SIZEOF_FAST_FLOAT)] - movaps xmm1, XMMWORD [XMMBLOCK(7,0,rsi,SIZEOF_FAST_FLOAT)] - - movaps xmm4,xmm2 - movaps xmm0,xmm5 - addps xmm2,xmm1 ; xmm2=z11 - addps xmm5,xmm3 ; xmm5=z13 - subps xmm4,xmm1 ; xmm4=z12 - subps xmm0,xmm3 ; xmm0=z10 - - movaps xmm1,xmm2 - subps xmm2,xmm5 - addps xmm1,xmm5 ; xmm1=tmp7 - - mulps xmm2,[rel PD_1_414] ; xmm2=tmp11 - - movaps xmm3,xmm0 - addps xmm0,xmm4 - mulps xmm0,[rel PD_1_847] ; xmm0=z5 - mulps xmm3,[rel PD_M2_613] ; xmm3=(z10 * -2.613125930) - mulps xmm4,[rel PD_1_082] ; xmm4=(z12 * 1.082392200) - addps xmm3,xmm0 ; xmm3=tmp12 - subps xmm4,xmm0 ; xmm4=tmp10 - - ; -- Final output stage - - subps xmm3,xmm1 ; xmm3=tmp6 - movaps xmm5,xmm6 - movaps xmm0,xmm7 - addps xmm6,xmm1 ; xmm6=data0=(00 10 20 30) - addps xmm7,xmm3 ; xmm7=data1=(01 11 21 31) - subps xmm5,xmm1 ; xmm5=data7=(07 17 27 37) - subps xmm0,xmm3 ; xmm0=data6=(06 16 26 36) - subps xmm2,xmm3 ; xmm2=tmp5 - - movaps xmm1,[rel PD_RNDINT_MAGIC] ; xmm1=[rel PD_RNDINT_MAGIC] - pcmpeqd xmm3,xmm3 - psrld xmm3,WORD_BIT ; xmm3={0xFFFF 0x0000 0xFFFF 0x0000 ..} - - addps xmm6,xmm1 ; xmm6=roundint(data0/8)=(00 ** 10 ** 20 ** 30 **) - addps xmm7,xmm1 ; xmm7=roundint(data1/8)=(01 ** 11 ** 21 ** 31 **) - addps xmm0,xmm1 ; xmm0=roundint(data6/8)=(06 ** 16 ** 26 ** 36 **) - addps xmm5,xmm1 ; xmm5=roundint(data7/8)=(07 ** 17 ** 27 ** 37 **) - - pand xmm6,xmm3 ; xmm6=(00 -- 10 -- 20 -- 30 --) - pslld xmm7,WORD_BIT ; xmm7=(-- 01 -- 11 -- 21 -- 31) - pand xmm0,xmm3 ; xmm0=(06 -- 16 -- 26 -- 36 --) - pslld xmm5,WORD_BIT ; xmm5=(-- 07 -- 17 -- 27 -- 37) - por xmm6,xmm7 ; xmm6=(00 01 10 11 20 21 30 31) - por xmm0,xmm5 ; xmm0=(06 07 16 17 26 27 36 37) - - movaps xmm1, XMMWORD [wk(0)] ; xmm1=tmp2 - movaps xmm3, XMMWORD [wk(1)] ; xmm3=tmp3 - - addps xmm4,xmm2 ; xmm4=tmp4 - movaps xmm7,xmm1 - movaps xmm5,xmm3 - addps xmm1,xmm2 ; xmm1=data2=(02 12 22 32) - addps xmm3,xmm4 ; xmm3=data4=(04 14 24 34) - subps xmm7,xmm2 ; xmm7=data5=(05 15 25 35) - subps xmm5,xmm4 ; xmm5=data3=(03 13 23 33) - - movaps xmm2,[rel PD_RNDINT_MAGIC] ; xmm2=[rel PD_RNDINT_MAGIC] - pcmpeqd xmm4,xmm4 - psrld xmm4,WORD_BIT ; xmm4={0xFFFF 0x0000 0xFFFF 0x0000 ..} - - addps xmm3,xmm2 ; xmm3=roundint(data4/8)=(04 ** 14 ** 24 ** 34 **) - addps xmm7,xmm2 ; xmm7=roundint(data5/8)=(05 ** 15 ** 25 ** 35 **) - addps xmm1,xmm2 ; xmm1=roundint(data2/8)=(02 ** 12 ** 22 ** 32 **) - addps xmm5,xmm2 ; xmm5=roundint(data3/8)=(03 ** 13 ** 23 ** 33 **) - - pand xmm3,xmm4 ; xmm3=(04 -- 14 -- 24 -- 34 --) - pslld xmm7,WORD_BIT ; xmm7=(-- 05 -- 15 -- 25 -- 35) - pand xmm1,xmm4 ; xmm1=(02 -- 12 -- 22 -- 32 --) - pslld xmm5,WORD_BIT ; xmm5=(-- 03 -- 13 -- 23 -- 33) - por xmm3,xmm7 ; xmm3=(04 05 14 15 24 25 34 35) - por xmm1,xmm5 ; xmm1=(02 03 12 13 22 23 32 33) - - movdqa xmm2,[rel PB_CENTERJSAMP] ; xmm2=[rel PB_CENTERJSAMP] - - packsswb xmm6,xmm3 ; xmm6=(00 01 10 11 20 21 30 31 04 05 14 15 24 25 34 35) - packsswb xmm1,xmm0 ; xmm1=(02 03 12 13 22 23 32 33 06 07 16 17 26 27 36 37) - paddb xmm6,xmm2 - paddb xmm1,xmm2 - - movdqa xmm4,xmm6 ; transpose coefficients(phase 2) - punpcklwd xmm6,xmm1 ; xmm6=(00 01 02 03 10 11 12 13 20 21 22 23 30 31 32 33) - punpckhwd xmm4,xmm1 ; xmm4=(04 05 06 07 14 15 16 17 24 25 26 27 34 35 36 37) - - movdqa xmm7,xmm6 ; transpose coefficients(phase 3) - punpckldq xmm6,xmm4 ; xmm6=(00 01 02 03 04 05 06 07 10 11 12 13 14 15 16 17) - punpckhdq xmm7,xmm4 ; xmm7=(20 21 22 23 24 25 26 27 30 31 32 33 34 35 36 37) - - pshufd xmm5,xmm6,0x4E ; xmm5=(10 11 12 13 14 15 16 17 00 01 02 03 04 05 06 07) - pshufd xmm3,xmm7,0x4E ; xmm3=(30 31 32 33 34 35 36 37 20 21 22 23 24 25 26 27) - - mov rdx, JSAMPROW [rdi+0*SIZEOF_JSAMPROW] - mov rbx, JSAMPROW [rdi+2*SIZEOF_JSAMPROW] - movq XMM_MMWORD [rdx+rax*SIZEOF_JSAMPLE], xmm6 - movq XMM_MMWORD [rbx+rax*SIZEOF_JSAMPLE], xmm7 - mov rdx, JSAMPROW [rdi+1*SIZEOF_JSAMPROW] - mov rbx, JSAMPROW [rdi+3*SIZEOF_JSAMPROW] - movq XMM_MMWORD [rdx+rax*SIZEOF_JSAMPLE], xmm5 - movq XMM_MMWORD [rbx+rax*SIZEOF_JSAMPLE], xmm3 - - add rsi, byte 4*SIZEOF_FAST_FLOAT ; wsptr - add rdi, byte 4*SIZEOF_JSAMPROW - dec rcx ; ctr - jnz near .rowloop - - pop rbx - uncollect_args - mov rsp,rbp ; rsp <- aligned rbp - pop rsp ; rsp <- original rbp - pop rbp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jiss2flt.asm b/common/jpeg/simd/jiss2flt.asm deleted file mode 100644 index 17bc3633..00000000 --- a/common/jpeg/simd/jiss2flt.asm +++ /dev/null @@ -1,498 +0,0 @@ -; -; jiss2flt.asm - floating-point IDCT (SSE & SSE2) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; This file contains a floating-point implementation of the inverse DCT -; (Discrete Cosine Transform). The following code is based directly on -; the IJG's original jidctflt.c; see the jidctflt.c for more details. -; -; [TAB8] - -%include "jsimdext.inc" -%include "jdct.inc" - -; -------------------------------------------------------------------------- - -%macro unpcklps2 2 ; %1=(0 1 2 3) / %2=(4 5 6 7) => %1=(0 1 4 5) - shufps %1,%2,0x44 -%endmacro - -%macro unpckhps2 2 ; %1=(0 1 2 3) / %2=(4 5 6 7) => %1=(2 3 6 7) - shufps %1,%2,0xEE -%endmacro - -; -------------------------------------------------------------------------- - SECTION SEG_CONST - - alignz 16 - global EXTN(jconst_idct_float_sse2) - -EXTN(jconst_idct_float_sse2): - -PD_1_414 times 4 dd 1.414213562373095048801689 -PD_1_847 times 4 dd 1.847759065022573512256366 -PD_1_082 times 4 dd 1.082392200292393968799446 -PD_M2_613 times 4 dd -2.613125929752753055713286 -PD_RNDINT_MAGIC times 4 dd 100663296.0 ; (float)(0x00C00000 << 3) -PB_CENTERJSAMP times 16 db CENTERJSAMPLE - - alignz 16 - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 32 -; -; Perform dequantization and inverse DCT on one block of coefficients. -; -; GLOBAL(void) -; jsimd_idct_float_sse2 (void * dct_table, JCOEFPTR coef_block, -; JSAMPARRAY output_buf, JDIMENSION output_col) -; - -%define dct_table(b) (b)+8 ; void * dct_table -%define coef_block(b) (b)+12 ; JCOEFPTR coef_block -%define output_buf(b) (b)+16 ; JSAMPARRAY output_buf -%define output_col(b) (b)+20 ; JDIMENSION output_col - -%define original_ebp ebp+0 -%define wk(i) ebp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM] -%define WK_NUM 2 -%define workspace wk(0)-DCTSIZE2*SIZEOF_FAST_FLOAT - ; FAST_FLOAT workspace[DCTSIZE2] - - align 16 - global EXTN(jsimd_idct_float_sse2) - -EXTN(jsimd_idct_float_sse2): - push ebp - mov eax,esp ; eax = original ebp - sub esp, byte 4 - and esp, byte (-SIZEOF_XMMWORD) ; align to 128 bits - mov [esp],eax - mov ebp,esp ; ebp = aligned ebp - lea esp, [workspace] - push ebx -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - get_GOT ebx ; get GOT address - - ; ---- Pass 1: process columns from input, store into work array. - -; mov eax, [original_ebp] - mov edx, POINTER [dct_table(eax)] ; quantptr - mov esi, JCOEFPTR [coef_block(eax)] ; inptr - lea edi, [workspace] ; FAST_FLOAT * wsptr - mov ecx, DCTSIZE/4 ; ctr - alignx 16,7 -.columnloop: -%ifndef NO_ZERO_COLUMN_TEST_FLOAT_SSE - mov eax, DWORD [DWBLOCK(1,0,esi,SIZEOF_JCOEF)] - or eax, DWORD [DWBLOCK(2,0,esi,SIZEOF_JCOEF)] - jnz near .columnDCT - - movq xmm1, XMM_MMWORD [MMBLOCK(1,0,esi,SIZEOF_JCOEF)] - movq xmm2, XMM_MMWORD [MMBLOCK(2,0,esi,SIZEOF_JCOEF)] - movq xmm3, XMM_MMWORD [MMBLOCK(3,0,esi,SIZEOF_JCOEF)] - movq xmm4, XMM_MMWORD [MMBLOCK(4,0,esi,SIZEOF_JCOEF)] - movq xmm5, XMM_MMWORD [MMBLOCK(5,0,esi,SIZEOF_JCOEF)] - movq xmm6, XMM_MMWORD [MMBLOCK(6,0,esi,SIZEOF_JCOEF)] - movq xmm7, XMM_MMWORD [MMBLOCK(7,0,esi,SIZEOF_JCOEF)] - por xmm1,xmm2 - por xmm3,xmm4 - por xmm5,xmm6 - por xmm1,xmm3 - por xmm5,xmm7 - por xmm1,xmm5 - packsswb xmm1,xmm1 - movd eax,xmm1 - test eax,eax - jnz short .columnDCT - - ; -- AC terms all zero - - movq xmm0, XMM_MMWORD [MMBLOCK(0,0,esi,SIZEOF_JCOEF)] - - punpcklwd xmm0,xmm0 ; xmm0=(00 00 01 01 02 02 03 03) - psrad xmm0,(DWORD_BIT-WORD_BIT) ; xmm0=in0=(00 01 02 03) - cvtdq2ps xmm0,xmm0 ; xmm0=in0=(00 01 02 03) - - mulps xmm0, XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_FLOAT_MULT_TYPE)] - - movaps xmm1,xmm0 - movaps xmm2,xmm0 - movaps xmm3,xmm0 - - shufps xmm0,xmm0,0x00 ; xmm0=(00 00 00 00) - shufps xmm1,xmm1,0x55 ; xmm1=(01 01 01 01) - shufps xmm2,xmm2,0xAA ; xmm2=(02 02 02 02) - shufps xmm3,xmm3,0xFF ; xmm3=(03 03 03 03) - - movaps XMMWORD [XMMBLOCK(0,0,edi,SIZEOF_FAST_FLOAT)], xmm0 - movaps XMMWORD [XMMBLOCK(0,1,edi,SIZEOF_FAST_FLOAT)], xmm0 - movaps XMMWORD [XMMBLOCK(1,0,edi,SIZEOF_FAST_FLOAT)], xmm1 - movaps XMMWORD [XMMBLOCK(1,1,edi,SIZEOF_FAST_FLOAT)], xmm1 - movaps XMMWORD [XMMBLOCK(2,0,edi,SIZEOF_FAST_FLOAT)], xmm2 - movaps XMMWORD [XMMBLOCK(2,1,edi,SIZEOF_FAST_FLOAT)], xmm2 - movaps XMMWORD [XMMBLOCK(3,0,edi,SIZEOF_FAST_FLOAT)], xmm3 - movaps XMMWORD [XMMBLOCK(3,1,edi,SIZEOF_FAST_FLOAT)], xmm3 - jmp near .nextcolumn - alignx 16,7 -%endif -.columnDCT: - - ; -- Even part - - movq xmm0, XMM_MMWORD [MMBLOCK(0,0,esi,SIZEOF_JCOEF)] - movq xmm1, XMM_MMWORD [MMBLOCK(2,0,esi,SIZEOF_JCOEF)] - movq xmm2, XMM_MMWORD [MMBLOCK(4,0,esi,SIZEOF_JCOEF)] - movq xmm3, XMM_MMWORD [MMBLOCK(6,0,esi,SIZEOF_JCOEF)] - - punpcklwd xmm0,xmm0 ; xmm0=(00 00 01 01 02 02 03 03) - punpcklwd xmm1,xmm1 ; xmm1=(20 20 21 21 22 22 23 23) - psrad xmm0,(DWORD_BIT-WORD_BIT) ; xmm0=in0=(00 01 02 03) - psrad xmm1,(DWORD_BIT-WORD_BIT) ; xmm1=in2=(20 21 22 23) - cvtdq2ps xmm0,xmm0 ; xmm0=in0=(00 01 02 03) - cvtdq2ps xmm1,xmm1 ; xmm1=in2=(20 21 22 23) - - punpcklwd xmm2,xmm2 ; xmm2=(40 40 41 41 42 42 43 43) - punpcklwd xmm3,xmm3 ; xmm3=(60 60 61 61 62 62 63 63) - psrad xmm2,(DWORD_BIT-WORD_BIT) ; xmm2=in4=(40 41 42 43) - psrad xmm3,(DWORD_BIT-WORD_BIT) ; xmm3=in6=(60 61 62 63) - cvtdq2ps xmm2,xmm2 ; xmm2=in4=(40 41 42 43) - cvtdq2ps xmm3,xmm3 ; xmm3=in6=(60 61 62 63) - - mulps xmm0, XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_FLOAT_MULT_TYPE)] - mulps xmm1, XMMWORD [XMMBLOCK(2,0,edx,SIZEOF_FLOAT_MULT_TYPE)] - mulps xmm2, XMMWORD [XMMBLOCK(4,0,edx,SIZEOF_FLOAT_MULT_TYPE)] - mulps xmm3, XMMWORD [XMMBLOCK(6,0,edx,SIZEOF_FLOAT_MULT_TYPE)] - - movaps xmm4,xmm0 - movaps xmm5,xmm1 - subps xmm0,xmm2 ; xmm0=tmp11 - subps xmm1,xmm3 - addps xmm4,xmm2 ; xmm4=tmp10 - addps xmm5,xmm3 ; xmm5=tmp13 - - mulps xmm1,[GOTOFF(ebx,PD_1_414)] - subps xmm1,xmm5 ; xmm1=tmp12 - - movaps xmm6,xmm4 - movaps xmm7,xmm0 - subps xmm4,xmm5 ; xmm4=tmp3 - subps xmm0,xmm1 ; xmm0=tmp2 - addps xmm6,xmm5 ; xmm6=tmp0 - addps xmm7,xmm1 ; xmm7=tmp1 - - movaps XMMWORD [wk(1)], xmm4 ; tmp3 - movaps XMMWORD [wk(0)], xmm0 ; tmp2 - - ; -- Odd part - - movq xmm2, XMM_MMWORD [MMBLOCK(1,0,esi,SIZEOF_JCOEF)] - movq xmm3, XMM_MMWORD [MMBLOCK(3,0,esi,SIZEOF_JCOEF)] - movq xmm5, XMM_MMWORD [MMBLOCK(5,0,esi,SIZEOF_JCOEF)] - movq xmm1, XMM_MMWORD [MMBLOCK(7,0,esi,SIZEOF_JCOEF)] - - punpcklwd xmm2,xmm2 ; xmm2=(10 10 11 11 12 12 13 13) - punpcklwd xmm3,xmm3 ; xmm3=(30 30 31 31 32 32 33 33) - psrad xmm2,(DWORD_BIT-WORD_BIT) ; xmm2=in1=(10 11 12 13) - psrad xmm3,(DWORD_BIT-WORD_BIT) ; xmm3=in3=(30 31 32 33) - cvtdq2ps xmm2,xmm2 ; xmm2=in1=(10 11 12 13) - cvtdq2ps xmm3,xmm3 ; xmm3=in3=(30 31 32 33) - - punpcklwd xmm5,xmm5 ; xmm5=(50 50 51 51 52 52 53 53) - punpcklwd xmm1,xmm1 ; xmm1=(70 70 71 71 72 72 73 73) - psrad xmm5,(DWORD_BIT-WORD_BIT) ; xmm5=in5=(50 51 52 53) - psrad xmm1,(DWORD_BIT-WORD_BIT) ; xmm1=in7=(70 71 72 73) - cvtdq2ps xmm5,xmm5 ; xmm5=in5=(50 51 52 53) - cvtdq2ps xmm1,xmm1 ; xmm1=in7=(70 71 72 73) - - mulps xmm2, XMMWORD [XMMBLOCK(1,0,edx,SIZEOF_FLOAT_MULT_TYPE)] - mulps xmm3, XMMWORD [XMMBLOCK(3,0,edx,SIZEOF_FLOAT_MULT_TYPE)] - mulps xmm5, XMMWORD [XMMBLOCK(5,0,edx,SIZEOF_FLOAT_MULT_TYPE)] - mulps xmm1, XMMWORD [XMMBLOCK(7,0,edx,SIZEOF_FLOAT_MULT_TYPE)] - - movaps xmm4,xmm2 - movaps xmm0,xmm5 - addps xmm2,xmm1 ; xmm2=z11 - addps xmm5,xmm3 ; xmm5=z13 - subps xmm4,xmm1 ; xmm4=z12 - subps xmm0,xmm3 ; xmm0=z10 - - movaps xmm1,xmm2 - subps xmm2,xmm5 - addps xmm1,xmm5 ; xmm1=tmp7 - - mulps xmm2,[GOTOFF(ebx,PD_1_414)] ; xmm2=tmp11 - - movaps xmm3,xmm0 - addps xmm0,xmm4 - mulps xmm0,[GOTOFF(ebx,PD_1_847)] ; xmm0=z5 - mulps xmm3,[GOTOFF(ebx,PD_M2_613)] ; xmm3=(z10 * -2.613125930) - mulps xmm4,[GOTOFF(ebx,PD_1_082)] ; xmm4=(z12 * 1.082392200) - addps xmm3,xmm0 ; xmm3=tmp12 - subps xmm4,xmm0 ; xmm4=tmp10 - - ; -- Final output stage - - subps xmm3,xmm1 ; xmm3=tmp6 - movaps xmm5,xmm6 - movaps xmm0,xmm7 - addps xmm6,xmm1 ; xmm6=data0=(00 01 02 03) - addps xmm7,xmm3 ; xmm7=data1=(10 11 12 13) - subps xmm5,xmm1 ; xmm5=data7=(70 71 72 73) - subps xmm0,xmm3 ; xmm0=data6=(60 61 62 63) - subps xmm2,xmm3 ; xmm2=tmp5 - - movaps xmm1,xmm6 ; transpose coefficients(phase 1) - unpcklps xmm6,xmm7 ; xmm6=(00 10 01 11) - unpckhps xmm1,xmm7 ; xmm1=(02 12 03 13) - movaps xmm3,xmm0 ; transpose coefficients(phase 1) - unpcklps xmm0,xmm5 ; xmm0=(60 70 61 71) - unpckhps xmm3,xmm5 ; xmm3=(62 72 63 73) - - movaps xmm7, XMMWORD [wk(0)] ; xmm7=tmp2 - movaps xmm5, XMMWORD [wk(1)] ; xmm5=tmp3 - - movaps XMMWORD [wk(0)], xmm0 ; wk(0)=(60 70 61 71) - movaps XMMWORD [wk(1)], xmm3 ; wk(1)=(62 72 63 73) - - addps xmm4,xmm2 ; xmm4=tmp4 - movaps xmm0,xmm7 - movaps xmm3,xmm5 - addps xmm7,xmm2 ; xmm7=data2=(20 21 22 23) - addps xmm5,xmm4 ; xmm5=data4=(40 41 42 43) - subps xmm0,xmm2 ; xmm0=data5=(50 51 52 53) - subps xmm3,xmm4 ; xmm3=data3=(30 31 32 33) - - movaps xmm2,xmm7 ; transpose coefficients(phase 1) - unpcklps xmm7,xmm3 ; xmm7=(20 30 21 31) - unpckhps xmm2,xmm3 ; xmm2=(22 32 23 33) - movaps xmm4,xmm5 ; transpose coefficients(phase 1) - unpcklps xmm5,xmm0 ; xmm5=(40 50 41 51) - unpckhps xmm4,xmm0 ; xmm4=(42 52 43 53) - - movaps xmm3,xmm6 ; transpose coefficients(phase 2) - unpcklps2 xmm6,xmm7 ; xmm6=(00 10 20 30) - unpckhps2 xmm3,xmm7 ; xmm3=(01 11 21 31) - movaps xmm0,xmm1 ; transpose coefficients(phase 2) - unpcklps2 xmm1,xmm2 ; xmm1=(02 12 22 32) - unpckhps2 xmm0,xmm2 ; xmm0=(03 13 23 33) - - movaps xmm7, XMMWORD [wk(0)] ; xmm7=(60 70 61 71) - movaps xmm2, XMMWORD [wk(1)] ; xmm2=(62 72 63 73) - - movaps XMMWORD [XMMBLOCK(0,0,edi,SIZEOF_FAST_FLOAT)], xmm6 - movaps XMMWORD [XMMBLOCK(1,0,edi,SIZEOF_FAST_FLOAT)], xmm3 - movaps XMMWORD [XMMBLOCK(2,0,edi,SIZEOF_FAST_FLOAT)], xmm1 - movaps XMMWORD [XMMBLOCK(3,0,edi,SIZEOF_FAST_FLOAT)], xmm0 - - movaps xmm6,xmm5 ; transpose coefficients(phase 2) - unpcklps2 xmm5,xmm7 ; xmm5=(40 50 60 70) - unpckhps2 xmm6,xmm7 ; xmm6=(41 51 61 71) - movaps xmm3,xmm4 ; transpose coefficients(phase 2) - unpcklps2 xmm4,xmm2 ; xmm4=(42 52 62 72) - unpckhps2 xmm3,xmm2 ; xmm3=(43 53 63 73) - - movaps XMMWORD [XMMBLOCK(0,1,edi,SIZEOF_FAST_FLOAT)], xmm5 - movaps XMMWORD [XMMBLOCK(1,1,edi,SIZEOF_FAST_FLOAT)], xmm6 - movaps XMMWORD [XMMBLOCK(2,1,edi,SIZEOF_FAST_FLOAT)], xmm4 - movaps XMMWORD [XMMBLOCK(3,1,edi,SIZEOF_FAST_FLOAT)], xmm3 - -.nextcolumn: - add esi, byte 4*SIZEOF_JCOEF ; coef_block - add edx, byte 4*SIZEOF_FLOAT_MULT_TYPE ; quantptr - add edi, 4*DCTSIZE*SIZEOF_FAST_FLOAT ; wsptr - dec ecx ; ctr - jnz near .columnloop - - ; -- Prefetch the next coefficient block - - prefetchnta [esi + (DCTSIZE2-8)*SIZEOF_JCOEF + 0*32] - prefetchnta [esi + (DCTSIZE2-8)*SIZEOF_JCOEF + 1*32] - prefetchnta [esi + (DCTSIZE2-8)*SIZEOF_JCOEF + 2*32] - prefetchnta [esi + (DCTSIZE2-8)*SIZEOF_JCOEF + 3*32] - - ; ---- Pass 2: process rows from work array, store into output array. - - mov eax, [original_ebp] - lea esi, [workspace] ; FAST_FLOAT * wsptr - mov edi, JSAMPARRAY [output_buf(eax)] ; (JSAMPROW *) - mov eax, JDIMENSION [output_col(eax)] - mov ecx, DCTSIZE/4 ; ctr - alignx 16,7 -.rowloop: - - ; -- Even part - - movaps xmm0, XMMWORD [XMMBLOCK(0,0,esi,SIZEOF_FAST_FLOAT)] - movaps xmm1, XMMWORD [XMMBLOCK(2,0,esi,SIZEOF_FAST_FLOAT)] - movaps xmm2, XMMWORD [XMMBLOCK(4,0,esi,SIZEOF_FAST_FLOAT)] - movaps xmm3, XMMWORD [XMMBLOCK(6,0,esi,SIZEOF_FAST_FLOAT)] - - movaps xmm4,xmm0 - movaps xmm5,xmm1 - subps xmm0,xmm2 ; xmm0=tmp11 - subps xmm1,xmm3 - addps xmm4,xmm2 ; xmm4=tmp10 - addps xmm5,xmm3 ; xmm5=tmp13 - - mulps xmm1,[GOTOFF(ebx,PD_1_414)] - subps xmm1,xmm5 ; xmm1=tmp12 - - movaps xmm6,xmm4 - movaps xmm7,xmm0 - subps xmm4,xmm5 ; xmm4=tmp3 - subps xmm0,xmm1 ; xmm0=tmp2 - addps xmm6,xmm5 ; xmm6=tmp0 - addps xmm7,xmm1 ; xmm7=tmp1 - - movaps XMMWORD [wk(1)], xmm4 ; tmp3 - movaps XMMWORD [wk(0)], xmm0 ; tmp2 - - ; -- Odd part - - movaps xmm2, XMMWORD [XMMBLOCK(1,0,esi,SIZEOF_FAST_FLOAT)] - movaps xmm3, XMMWORD [XMMBLOCK(3,0,esi,SIZEOF_FAST_FLOAT)] - movaps xmm5, XMMWORD [XMMBLOCK(5,0,esi,SIZEOF_FAST_FLOAT)] - movaps xmm1, XMMWORD [XMMBLOCK(7,0,esi,SIZEOF_FAST_FLOAT)] - - movaps xmm4,xmm2 - movaps xmm0,xmm5 - addps xmm2,xmm1 ; xmm2=z11 - addps xmm5,xmm3 ; xmm5=z13 - subps xmm4,xmm1 ; xmm4=z12 - subps xmm0,xmm3 ; xmm0=z10 - - movaps xmm1,xmm2 - subps xmm2,xmm5 - addps xmm1,xmm5 ; xmm1=tmp7 - - mulps xmm2,[GOTOFF(ebx,PD_1_414)] ; xmm2=tmp11 - - movaps xmm3,xmm0 - addps xmm0,xmm4 - mulps xmm0,[GOTOFF(ebx,PD_1_847)] ; xmm0=z5 - mulps xmm3,[GOTOFF(ebx,PD_M2_613)] ; xmm3=(z10 * -2.613125930) - mulps xmm4,[GOTOFF(ebx,PD_1_082)] ; xmm4=(z12 * 1.082392200) - addps xmm3,xmm0 ; xmm3=tmp12 - subps xmm4,xmm0 ; xmm4=tmp10 - - ; -- Final output stage - - subps xmm3,xmm1 ; xmm3=tmp6 - movaps xmm5,xmm6 - movaps xmm0,xmm7 - addps xmm6,xmm1 ; xmm6=data0=(00 10 20 30) - addps xmm7,xmm3 ; xmm7=data1=(01 11 21 31) - subps xmm5,xmm1 ; xmm5=data7=(07 17 27 37) - subps xmm0,xmm3 ; xmm0=data6=(06 16 26 36) - subps xmm2,xmm3 ; xmm2=tmp5 - - movaps xmm1,[GOTOFF(ebx,PD_RNDINT_MAGIC)] ; xmm1=[PD_RNDINT_MAGIC] - pcmpeqd xmm3,xmm3 - psrld xmm3,WORD_BIT ; xmm3={0xFFFF 0x0000 0xFFFF 0x0000 ..} - - addps xmm6,xmm1 ; xmm6=roundint(data0/8)=(00 ** 10 ** 20 ** 30 **) - addps xmm7,xmm1 ; xmm7=roundint(data1/8)=(01 ** 11 ** 21 ** 31 **) - addps xmm0,xmm1 ; xmm0=roundint(data6/8)=(06 ** 16 ** 26 ** 36 **) - addps xmm5,xmm1 ; xmm5=roundint(data7/8)=(07 ** 17 ** 27 ** 37 **) - - pand xmm6,xmm3 ; xmm6=(00 -- 10 -- 20 -- 30 --) - pslld xmm7,WORD_BIT ; xmm7=(-- 01 -- 11 -- 21 -- 31) - pand xmm0,xmm3 ; xmm0=(06 -- 16 -- 26 -- 36 --) - pslld xmm5,WORD_BIT ; xmm5=(-- 07 -- 17 -- 27 -- 37) - por xmm6,xmm7 ; xmm6=(00 01 10 11 20 21 30 31) - por xmm0,xmm5 ; xmm0=(06 07 16 17 26 27 36 37) - - movaps xmm1, XMMWORD [wk(0)] ; xmm1=tmp2 - movaps xmm3, XMMWORD [wk(1)] ; xmm3=tmp3 - - addps xmm4,xmm2 ; xmm4=tmp4 - movaps xmm7,xmm1 - movaps xmm5,xmm3 - addps xmm1,xmm2 ; xmm1=data2=(02 12 22 32) - addps xmm3,xmm4 ; xmm3=data4=(04 14 24 34) - subps xmm7,xmm2 ; xmm7=data5=(05 15 25 35) - subps xmm5,xmm4 ; xmm5=data3=(03 13 23 33) - - movaps xmm2,[GOTOFF(ebx,PD_RNDINT_MAGIC)] ; xmm2=[PD_RNDINT_MAGIC] - pcmpeqd xmm4,xmm4 - psrld xmm4,WORD_BIT ; xmm4={0xFFFF 0x0000 0xFFFF 0x0000 ..} - - addps xmm3,xmm2 ; xmm3=roundint(data4/8)=(04 ** 14 ** 24 ** 34 **) - addps xmm7,xmm2 ; xmm7=roundint(data5/8)=(05 ** 15 ** 25 ** 35 **) - addps xmm1,xmm2 ; xmm1=roundint(data2/8)=(02 ** 12 ** 22 ** 32 **) - addps xmm5,xmm2 ; xmm5=roundint(data3/8)=(03 ** 13 ** 23 ** 33 **) - - pand xmm3,xmm4 ; xmm3=(04 -- 14 -- 24 -- 34 --) - pslld xmm7,WORD_BIT ; xmm7=(-- 05 -- 15 -- 25 -- 35) - pand xmm1,xmm4 ; xmm1=(02 -- 12 -- 22 -- 32 --) - pslld xmm5,WORD_BIT ; xmm5=(-- 03 -- 13 -- 23 -- 33) - por xmm3,xmm7 ; xmm3=(04 05 14 15 24 25 34 35) - por xmm1,xmm5 ; xmm1=(02 03 12 13 22 23 32 33) - - movdqa xmm2,[GOTOFF(ebx,PB_CENTERJSAMP)] ; xmm2=[PB_CENTERJSAMP] - - packsswb xmm6,xmm3 ; xmm6=(00 01 10 11 20 21 30 31 04 05 14 15 24 25 34 35) - packsswb xmm1,xmm0 ; xmm1=(02 03 12 13 22 23 32 33 06 07 16 17 26 27 36 37) - paddb xmm6,xmm2 - paddb xmm1,xmm2 - - movdqa xmm4,xmm6 ; transpose coefficients(phase 2) - punpcklwd xmm6,xmm1 ; xmm6=(00 01 02 03 10 11 12 13 20 21 22 23 30 31 32 33) - punpckhwd xmm4,xmm1 ; xmm4=(04 05 06 07 14 15 16 17 24 25 26 27 34 35 36 37) - - movdqa xmm7,xmm6 ; transpose coefficients(phase 3) - punpckldq xmm6,xmm4 ; xmm6=(00 01 02 03 04 05 06 07 10 11 12 13 14 15 16 17) - punpckhdq xmm7,xmm4 ; xmm7=(20 21 22 23 24 25 26 27 30 31 32 33 34 35 36 37) - - pshufd xmm5,xmm6,0x4E ; xmm5=(10 11 12 13 14 15 16 17 00 01 02 03 04 05 06 07) - pshufd xmm3,xmm7,0x4E ; xmm3=(30 31 32 33 34 35 36 37 20 21 22 23 24 25 26 27) - - pushpic ebx ; save GOT address - - mov edx, JSAMPROW [edi+0*SIZEOF_JSAMPROW] - mov ebx, JSAMPROW [edi+2*SIZEOF_JSAMPROW] - movq XMM_MMWORD [edx+eax*SIZEOF_JSAMPLE], xmm6 - movq XMM_MMWORD [ebx+eax*SIZEOF_JSAMPLE], xmm7 - mov edx, JSAMPROW [edi+1*SIZEOF_JSAMPROW] - mov ebx, JSAMPROW [edi+3*SIZEOF_JSAMPROW] - movq XMM_MMWORD [edx+eax*SIZEOF_JSAMPLE], xmm5 - movq XMM_MMWORD [ebx+eax*SIZEOF_JSAMPLE], xmm3 - - poppic ebx ; restore GOT address - - add esi, byte 4*SIZEOF_FAST_FLOAT ; wsptr - add edi, byte 4*SIZEOF_JSAMPROW - dec ecx ; ctr - jnz near .rowloop - - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved - pop ebx - mov esp,ebp ; esp <- aligned ebp - pop esp ; esp <- original ebp - pop ebp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jiss2fst-64.asm b/common/jpeg/simd/jiss2fst-64.asm deleted file mode 100644 index 08875058..00000000 --- a/common/jpeg/simd/jiss2fst-64.asm +++ /dev/null @@ -1,492 +0,0 @@ -; -; jiss2fst-64.asm - fast integer IDCT (64-bit SSE2) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; Copyright 2009 D. R. Commander -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/projecpt/showfiles.php?group_id=6208 -; -; This file contains a fast, not so accurate integer implementation of -; the inverse DCT (Discrete Cosine Transform). The following code is -; based directly on the IJG's original jidctfst.c; see the jidctfst.c -; for more details. -; -; [TAB8] - -%include "jsimdext.inc" -%include "jdct.inc" - -; -------------------------------------------------------------------------- - -%define CONST_BITS 8 ; 14 is also OK. -%define PASS1_BITS 2 - -%if IFAST_SCALE_BITS != PASS1_BITS -%error "'IFAST_SCALE_BITS' must be equal to 'PASS1_BITS'." -%endif - -%if CONST_BITS == 8 -F_1_082 equ 277 ; FIX(1.082392200) -F_1_414 equ 362 ; FIX(1.414213562) -F_1_847 equ 473 ; FIX(1.847759065) -F_2_613 equ 669 ; FIX(2.613125930) -F_1_613 equ (F_2_613 - 256) ; FIX(2.613125930) - FIX(1) -%else -; NASM cannot do compile-time arithmetic on floating-point constants. -%define DESCALE(x,n) (((x)+(1<<((n)-1)))>>(n)) -F_1_082 equ DESCALE(1162209775,30-CONST_BITS) ; FIX(1.082392200) -F_1_414 equ DESCALE(1518500249,30-CONST_BITS) ; FIX(1.414213562) -F_1_847 equ DESCALE(1984016188,30-CONST_BITS) ; FIX(1.847759065) -F_2_613 equ DESCALE(2805822602,30-CONST_BITS) ; FIX(2.613125930) -F_1_613 equ (F_2_613 - (1 << CONST_BITS)) ; FIX(2.613125930) - FIX(1) -%endif - -; -------------------------------------------------------------------------- - SECTION SEG_CONST - -; PRE_MULTIPLY_SCALE_BITS <= 2 (to avoid overflow) -; CONST_BITS + CONST_SHIFT + PRE_MULTIPLY_SCALE_BITS == 16 (for pmulhw) - -%define PRE_MULTIPLY_SCALE_BITS 2 -%define CONST_SHIFT (16 - PRE_MULTIPLY_SCALE_BITS - CONST_BITS) - - alignz 16 - global EXTN(jconst_idct_ifast_sse2) - -EXTN(jconst_idct_ifast_sse2): - -PW_F1414 times 8 dw F_1_414 << CONST_SHIFT -PW_F1847 times 8 dw F_1_847 << CONST_SHIFT -PW_MF1613 times 8 dw -F_1_613 << CONST_SHIFT -PW_F1082 times 8 dw F_1_082 << CONST_SHIFT -PB_CENTERJSAMP times 16 db CENTERJSAMPLE - - alignz 16 - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 64 -; -; Perform dequantization and inverse DCT on one block of coefficients. -; -; GLOBAL(void) -; jsimd_idct_ifast_sse2 (void * dct_table, JCOEFPTR coef_block, -; JSAMPARRAY output_buf, JDIMENSION output_col) -; - -; r10 = jpeg_component_info * compptr -; r11 = JCOEFPTR coef_block -; r12 = JSAMPARRAY output_buf -; r13 = JDIMENSION output_col - -%define original_rbp rbp+0 -%define wk(i) rbp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM] -%define WK_NUM 2 - - align 16 - global EXTN(jsimd_idct_ifast_sse2) - -EXTN(jsimd_idct_ifast_sse2): - push rbp - mov rax,rsp ; rax = original rbp - sub rsp, byte 4 - and rsp, byte (-SIZEOF_XMMWORD) ; align to 128 bits - mov [rsp],rax - mov rbp,rsp ; rbp = aligned rbp - lea rsp, [wk(0)] - collect_args - - ; ---- Pass 1: process columns from input. - - mov rdx, r10 ; quantptr - mov rsi, r11 ; inptr - -%ifndef NO_ZERO_COLUMN_TEST_IFAST_SSE2 - mov eax, DWORD [DWBLOCK(1,0,rsi,SIZEOF_JCOEF)] - or eax, DWORD [DWBLOCK(2,0,rsi,SIZEOF_JCOEF)] - jnz near .columnDCT - - movdqa xmm0, XMMWORD [XMMBLOCK(1,0,rsi,SIZEOF_JCOEF)] - movdqa xmm1, XMMWORD [XMMBLOCK(2,0,rsi,SIZEOF_JCOEF)] - por xmm0, XMMWORD [XMMBLOCK(3,0,rsi,SIZEOF_JCOEF)] - por xmm1, XMMWORD [XMMBLOCK(4,0,rsi,SIZEOF_JCOEF)] - por xmm0, XMMWORD [XMMBLOCK(5,0,rsi,SIZEOF_JCOEF)] - por xmm1, XMMWORD [XMMBLOCK(6,0,rsi,SIZEOF_JCOEF)] - por xmm0, XMMWORD [XMMBLOCK(7,0,rsi,SIZEOF_JCOEF)] - por xmm1,xmm0 - packsswb xmm1,xmm1 - packsswb xmm1,xmm1 - movd eax,xmm1 - test rax,rax - jnz short .columnDCT - - ; -- AC terms all zero - - movdqa xmm0, XMMWORD [XMMBLOCK(0,0,rsi,SIZEOF_JCOEF)] - pmullw xmm0, XMMWORD [XMMBLOCK(0,0,rdx,SIZEOF_ISLOW_MULT_TYPE)] - - movdqa xmm7,xmm0 ; xmm0=in0=(00 01 02 03 04 05 06 07) - punpcklwd xmm0,xmm0 ; xmm0=(00 00 01 01 02 02 03 03) - punpckhwd xmm7,xmm7 ; xmm7=(04 04 05 05 06 06 07 07) - - pshufd xmm6,xmm0,0x00 ; xmm6=col0=(00 00 00 00 00 00 00 00) - pshufd xmm2,xmm0,0x55 ; xmm2=col1=(01 01 01 01 01 01 01 01) - pshufd xmm5,xmm0,0xAA ; xmm5=col2=(02 02 02 02 02 02 02 02) - pshufd xmm0,xmm0,0xFF ; xmm0=col3=(03 03 03 03 03 03 03 03) - pshufd xmm1,xmm7,0x00 ; xmm1=col4=(04 04 04 04 04 04 04 04) - pshufd xmm4,xmm7,0x55 ; xmm4=col5=(05 05 05 05 05 05 05 05) - pshufd xmm3,xmm7,0xAA ; xmm3=col6=(06 06 06 06 06 06 06 06) - pshufd xmm7,xmm7,0xFF ; xmm7=col7=(07 07 07 07 07 07 07 07) - - movdqa XMMWORD [wk(0)], xmm2 ; wk(0)=col1 - movdqa XMMWORD [wk(1)], xmm0 ; wk(1)=col3 - jmp near .column_end -%endif -.columnDCT: - - ; -- Even part - - movdqa xmm0, XMMWORD [XMMBLOCK(0,0,rsi,SIZEOF_JCOEF)] - movdqa xmm1, XMMWORD [XMMBLOCK(2,0,rsi,SIZEOF_JCOEF)] - pmullw xmm0, XMMWORD [XMMBLOCK(0,0,rdx,SIZEOF_IFAST_MULT_TYPE)] - pmullw xmm1, XMMWORD [XMMBLOCK(2,0,rdx,SIZEOF_IFAST_MULT_TYPE)] - movdqa xmm2, XMMWORD [XMMBLOCK(4,0,rsi,SIZEOF_JCOEF)] - movdqa xmm3, XMMWORD [XMMBLOCK(6,0,rsi,SIZEOF_JCOEF)] - pmullw xmm2, XMMWORD [XMMBLOCK(4,0,rdx,SIZEOF_IFAST_MULT_TYPE)] - pmullw xmm3, XMMWORD [XMMBLOCK(6,0,rdx,SIZEOF_IFAST_MULT_TYPE)] - - movdqa xmm4,xmm0 - movdqa xmm5,xmm1 - psubw xmm0,xmm2 ; xmm0=tmp11 - psubw xmm1,xmm3 - paddw xmm4,xmm2 ; xmm4=tmp10 - paddw xmm5,xmm3 ; xmm5=tmp13 - - psllw xmm1,PRE_MULTIPLY_SCALE_BITS - pmulhw xmm1,[rel PW_F1414] - psubw xmm1,xmm5 ; xmm1=tmp12 - - movdqa xmm6,xmm4 - movdqa xmm7,xmm0 - psubw xmm4,xmm5 ; xmm4=tmp3 - psubw xmm0,xmm1 ; xmm0=tmp2 - paddw xmm6,xmm5 ; xmm6=tmp0 - paddw xmm7,xmm1 ; xmm7=tmp1 - - movdqa XMMWORD [wk(1)], xmm4 ; wk(1)=tmp3 - movdqa XMMWORD [wk(0)], xmm0 ; wk(0)=tmp2 - - ; -- Odd part - - movdqa xmm2, XMMWORD [XMMBLOCK(1,0,rsi,SIZEOF_JCOEF)] - movdqa xmm3, XMMWORD [XMMBLOCK(3,0,rsi,SIZEOF_JCOEF)] - pmullw xmm2, XMMWORD [XMMBLOCK(1,0,rdx,SIZEOF_IFAST_MULT_TYPE)] - pmullw xmm3, XMMWORD [XMMBLOCK(3,0,rdx,SIZEOF_IFAST_MULT_TYPE)] - movdqa xmm5, XMMWORD [XMMBLOCK(5,0,rsi,SIZEOF_JCOEF)] - movdqa xmm1, XMMWORD [XMMBLOCK(7,0,rsi,SIZEOF_JCOEF)] - pmullw xmm5, XMMWORD [XMMBLOCK(5,0,rdx,SIZEOF_IFAST_MULT_TYPE)] - pmullw xmm1, XMMWORD [XMMBLOCK(7,0,rdx,SIZEOF_IFAST_MULT_TYPE)] - - movdqa xmm4,xmm2 - movdqa xmm0,xmm5 - psubw xmm2,xmm1 ; xmm2=z12 - psubw xmm5,xmm3 ; xmm5=z10 - paddw xmm4,xmm1 ; xmm4=z11 - paddw xmm0,xmm3 ; xmm0=z13 - - movdqa xmm1,xmm5 ; xmm1=z10(unscaled) - psllw xmm2,PRE_MULTIPLY_SCALE_BITS - psllw xmm5,PRE_MULTIPLY_SCALE_BITS - - movdqa xmm3,xmm4 - psubw xmm4,xmm0 - paddw xmm3,xmm0 ; xmm3=tmp7 - - psllw xmm4,PRE_MULTIPLY_SCALE_BITS - pmulhw xmm4,[rel PW_F1414] ; xmm4=tmp11 - - ; To avoid overflow... - ; - ; (Original) - ; tmp12 = -2.613125930 * z10 + z5; - ; - ; (This implementation) - ; tmp12 = (-1.613125930 - 1) * z10 + z5; - ; = -1.613125930 * z10 - z10 + z5; - - movdqa xmm0,xmm5 - paddw xmm5,xmm2 - pmulhw xmm5,[rel PW_F1847] ; xmm5=z5 - pmulhw xmm0,[rel PW_MF1613] - pmulhw xmm2,[rel PW_F1082] - psubw xmm0,xmm1 - psubw xmm2,xmm5 ; xmm2=tmp10 - paddw xmm0,xmm5 ; xmm0=tmp12 - - ; -- Final output stage - - psubw xmm0,xmm3 ; xmm0=tmp6 - movdqa xmm1,xmm6 - movdqa xmm5,xmm7 - paddw xmm6,xmm3 ; xmm6=data0=(00 01 02 03 04 05 06 07) - paddw xmm7,xmm0 ; xmm7=data1=(10 11 12 13 14 15 16 17) - psubw xmm1,xmm3 ; xmm1=data7=(70 71 72 73 74 75 76 77) - psubw xmm5,xmm0 ; xmm5=data6=(60 61 62 63 64 65 66 67) - psubw xmm4,xmm0 ; xmm4=tmp5 - - movdqa xmm3,xmm6 ; transpose coefficients(phase 1) - punpcklwd xmm6,xmm7 ; xmm6=(00 10 01 11 02 12 03 13) - punpckhwd xmm3,xmm7 ; xmm3=(04 14 05 15 06 16 07 17) - movdqa xmm0,xmm5 ; transpose coefficients(phase 1) - punpcklwd xmm5,xmm1 ; xmm5=(60 70 61 71 62 72 63 73) - punpckhwd xmm0,xmm1 ; xmm0=(64 74 65 75 66 76 67 77) - - movdqa xmm7, XMMWORD [wk(0)] ; xmm7=tmp2 - movdqa xmm1, XMMWORD [wk(1)] ; xmm1=tmp3 - - movdqa XMMWORD [wk(0)], xmm5 ; wk(0)=(60 70 61 71 62 72 63 73) - movdqa XMMWORD [wk(1)], xmm0 ; wk(1)=(64 74 65 75 66 76 67 77) - - paddw xmm2,xmm4 ; xmm2=tmp4 - movdqa xmm5,xmm7 - movdqa xmm0,xmm1 - paddw xmm7,xmm4 ; xmm7=data2=(20 21 22 23 24 25 26 27) - paddw xmm1,xmm2 ; xmm1=data4=(40 41 42 43 44 45 46 47) - psubw xmm5,xmm4 ; xmm5=data5=(50 51 52 53 54 55 56 57) - psubw xmm0,xmm2 ; xmm0=data3=(30 31 32 33 34 35 36 37) - - movdqa xmm4,xmm7 ; transpose coefficients(phase 1) - punpcklwd xmm7,xmm0 ; xmm7=(20 30 21 31 22 32 23 33) - punpckhwd xmm4,xmm0 ; xmm4=(24 34 25 35 26 36 27 37) - movdqa xmm2,xmm1 ; transpose coefficients(phase 1) - punpcklwd xmm1,xmm5 ; xmm1=(40 50 41 51 42 52 43 53) - punpckhwd xmm2,xmm5 ; xmm2=(44 54 45 55 46 56 47 57) - - movdqa xmm0,xmm3 ; transpose coefficients(phase 2) - punpckldq xmm3,xmm4 ; xmm3=(04 14 24 34 05 15 25 35) - punpckhdq xmm0,xmm4 ; xmm0=(06 16 26 36 07 17 27 37) - movdqa xmm5,xmm6 ; transpose coefficients(phase 2) - punpckldq xmm6,xmm7 ; xmm6=(00 10 20 30 01 11 21 31) - punpckhdq xmm5,xmm7 ; xmm5=(02 12 22 32 03 13 23 33) - - movdqa xmm4, XMMWORD [wk(0)] ; xmm4=(60 70 61 71 62 72 63 73) - movdqa xmm7, XMMWORD [wk(1)] ; xmm7=(64 74 65 75 66 76 67 77) - - movdqa XMMWORD [wk(0)], xmm3 ; wk(0)=(04 14 24 34 05 15 25 35) - movdqa XMMWORD [wk(1)], xmm0 ; wk(1)=(06 16 26 36 07 17 27 37) - - movdqa xmm3,xmm1 ; transpose coefficients(phase 2) - punpckldq xmm1,xmm4 ; xmm1=(40 50 60 70 41 51 61 71) - punpckhdq xmm3,xmm4 ; xmm3=(42 52 62 72 43 53 63 73) - movdqa xmm0,xmm2 ; transpose coefficients(phase 2) - punpckldq xmm2,xmm7 ; xmm2=(44 54 64 74 45 55 65 75) - punpckhdq xmm0,xmm7 ; xmm0=(46 56 66 76 47 57 67 77) - - movdqa xmm4,xmm6 ; transpose coefficients(phase 3) - punpcklqdq xmm6,xmm1 ; xmm6=col0=(00 10 20 30 40 50 60 70) - punpckhqdq xmm4,xmm1 ; xmm4=col1=(01 11 21 31 41 51 61 71) - movdqa xmm7,xmm5 ; transpose coefficients(phase 3) - punpcklqdq xmm5,xmm3 ; xmm5=col2=(02 12 22 32 42 52 62 72) - punpckhqdq xmm7,xmm3 ; xmm7=col3=(03 13 23 33 43 53 63 73) - - movdqa xmm1, XMMWORD [wk(0)] ; xmm1=(04 14 24 34 05 15 25 35) - movdqa xmm3, XMMWORD [wk(1)] ; xmm3=(06 16 26 36 07 17 27 37) - - movdqa XMMWORD [wk(0)], xmm4 ; wk(0)=col1 - movdqa XMMWORD [wk(1)], xmm7 ; wk(1)=col3 - - movdqa xmm4,xmm1 ; transpose coefficients(phase 3) - punpcklqdq xmm1,xmm2 ; xmm1=col4=(04 14 24 34 44 54 64 74) - punpckhqdq xmm4,xmm2 ; xmm4=col5=(05 15 25 35 45 55 65 75) - movdqa xmm7,xmm3 ; transpose coefficients(phase 3) - punpcklqdq xmm3,xmm0 ; xmm3=col6=(06 16 26 36 46 56 66 76) - punpckhqdq xmm7,xmm0 ; xmm7=col7=(07 17 27 37 47 57 67 77) -.column_end: - - ; -- Prefetch the next coefficient block - - prefetchnta [rsi + DCTSIZE2*SIZEOF_JCOEF + 0*32] - prefetchnta [rsi + DCTSIZE2*SIZEOF_JCOEF + 1*32] - prefetchnta [rsi + DCTSIZE2*SIZEOF_JCOEF + 2*32] - prefetchnta [rsi + DCTSIZE2*SIZEOF_JCOEF + 3*32] - - ; ---- Pass 2: process rows from work array, store into output array. - - mov rax, [original_rbp] - mov rdi, r12 ; (JSAMPROW *) - mov rax, r13 - - ; -- Even part - - ; xmm6=col0, xmm5=col2, xmm1=col4, xmm3=col6 - - movdqa xmm2,xmm6 - movdqa xmm0,xmm5 - psubw xmm6,xmm1 ; xmm6=tmp11 - psubw xmm5,xmm3 - paddw xmm2,xmm1 ; xmm2=tmp10 - paddw xmm0,xmm3 ; xmm0=tmp13 - - psllw xmm5,PRE_MULTIPLY_SCALE_BITS - pmulhw xmm5,[rel PW_F1414] - psubw xmm5,xmm0 ; xmm5=tmp12 - - movdqa xmm1,xmm2 - movdqa xmm3,xmm6 - psubw xmm2,xmm0 ; xmm2=tmp3 - psubw xmm6,xmm5 ; xmm6=tmp2 - paddw xmm1,xmm0 ; xmm1=tmp0 - paddw xmm3,xmm5 ; xmm3=tmp1 - - movdqa xmm0, XMMWORD [wk(0)] ; xmm0=col1 - movdqa xmm5, XMMWORD [wk(1)] ; xmm5=col3 - - movdqa XMMWORD [wk(0)], xmm2 ; wk(0)=tmp3 - movdqa XMMWORD [wk(1)], xmm6 ; wk(1)=tmp2 - - ; -- Odd part - - ; xmm0=col1, xmm5=col3, xmm4=col5, xmm7=col7 - - movdqa xmm2,xmm0 - movdqa xmm6,xmm4 - psubw xmm0,xmm7 ; xmm0=z12 - psubw xmm4,xmm5 ; xmm4=z10 - paddw xmm2,xmm7 ; xmm2=z11 - paddw xmm6,xmm5 ; xmm6=z13 - - movdqa xmm7,xmm4 ; xmm7=z10(unscaled) - psllw xmm0,PRE_MULTIPLY_SCALE_BITS - psllw xmm4,PRE_MULTIPLY_SCALE_BITS - - movdqa xmm5,xmm2 - psubw xmm2,xmm6 - paddw xmm5,xmm6 ; xmm5=tmp7 - - psllw xmm2,PRE_MULTIPLY_SCALE_BITS - pmulhw xmm2,[rel PW_F1414] ; xmm2=tmp11 - - ; To avoid overflow... - ; - ; (Original) - ; tmp12 = -2.613125930 * z10 + z5; - ; - ; (This implementation) - ; tmp12 = (-1.613125930 - 1) * z10 + z5; - ; = -1.613125930 * z10 - z10 + z5; - - movdqa xmm6,xmm4 - paddw xmm4,xmm0 - pmulhw xmm4,[rel PW_F1847] ; xmm4=z5 - pmulhw xmm6,[rel PW_MF1613] - pmulhw xmm0,[rel PW_F1082] - psubw xmm6,xmm7 - psubw xmm0,xmm4 ; xmm0=tmp10 - paddw xmm6,xmm4 ; xmm6=tmp12 - - ; -- Final output stage - - psubw xmm6,xmm5 ; xmm6=tmp6 - movdqa xmm7,xmm1 - movdqa xmm4,xmm3 - paddw xmm1,xmm5 ; xmm1=data0=(00 10 20 30 40 50 60 70) - paddw xmm3,xmm6 ; xmm3=data1=(01 11 21 31 41 51 61 71) - psraw xmm1,(PASS1_BITS+3) ; descale - psraw xmm3,(PASS1_BITS+3) ; descale - psubw xmm7,xmm5 ; xmm7=data7=(07 17 27 37 47 57 67 77) - psubw xmm4,xmm6 ; xmm4=data6=(06 16 26 36 46 56 66 76) - psraw xmm7,(PASS1_BITS+3) ; descale - psraw xmm4,(PASS1_BITS+3) ; descale - psubw xmm2,xmm6 ; xmm2=tmp5 - - packsswb xmm1,xmm4 ; xmm1=(00 10 20 30 40 50 60 70 06 16 26 36 46 56 66 76) - packsswb xmm3,xmm7 ; xmm3=(01 11 21 31 41 51 61 71 07 17 27 37 47 57 67 77) - - movdqa xmm5, XMMWORD [wk(1)] ; xmm5=tmp2 - movdqa xmm6, XMMWORD [wk(0)] ; xmm6=tmp3 - - paddw xmm0,xmm2 ; xmm0=tmp4 - movdqa xmm4,xmm5 - movdqa xmm7,xmm6 - paddw xmm5,xmm2 ; xmm5=data2=(02 12 22 32 42 52 62 72) - paddw xmm6,xmm0 ; xmm6=data4=(04 14 24 34 44 54 64 74) - psraw xmm5,(PASS1_BITS+3) ; descale - psraw xmm6,(PASS1_BITS+3) ; descale - psubw xmm4,xmm2 ; xmm4=data5=(05 15 25 35 45 55 65 75) - psubw xmm7,xmm0 ; xmm7=data3=(03 13 23 33 43 53 63 73) - psraw xmm4,(PASS1_BITS+3) ; descale - psraw xmm7,(PASS1_BITS+3) ; descale - - movdqa xmm2,[rel PB_CENTERJSAMP] ; xmm2=[rel PB_CENTERJSAMP] - - packsswb xmm5,xmm6 ; xmm5=(02 12 22 32 42 52 62 72 04 14 24 34 44 54 64 74) - packsswb xmm7,xmm4 ; xmm7=(03 13 23 33 43 53 63 73 05 15 25 35 45 55 65 75) - - paddb xmm1,xmm2 - paddb xmm3,xmm2 - paddb xmm5,xmm2 - paddb xmm7,xmm2 - - movdqa xmm0,xmm1 ; transpose coefficients(phase 1) - punpcklbw xmm1,xmm3 ; xmm1=(00 01 10 11 20 21 30 31 40 41 50 51 60 61 70 71) - punpckhbw xmm0,xmm3 ; xmm0=(06 07 16 17 26 27 36 37 46 47 56 57 66 67 76 77) - movdqa xmm6,xmm5 ; transpose coefficients(phase 1) - punpcklbw xmm5,xmm7 ; xmm5=(02 03 12 13 22 23 32 33 42 43 52 53 62 63 72 73) - punpckhbw xmm6,xmm7 ; xmm6=(04 05 14 15 24 25 34 35 44 45 54 55 64 65 74 75) - - movdqa xmm4,xmm1 ; transpose coefficients(phase 2) - punpcklwd xmm1,xmm5 ; xmm1=(00 01 02 03 10 11 12 13 20 21 22 23 30 31 32 33) - punpckhwd xmm4,xmm5 ; xmm4=(40 41 42 43 50 51 52 53 60 61 62 63 70 71 72 73) - movdqa xmm2,xmm6 ; transpose coefficients(phase 2) - punpcklwd xmm6,xmm0 ; xmm6=(04 05 06 07 14 15 16 17 24 25 26 27 34 35 36 37) - punpckhwd xmm2,xmm0 ; xmm2=(44 45 46 47 54 55 56 57 64 65 66 67 74 75 76 77) - - movdqa xmm3,xmm1 ; transpose coefficients(phase 3) - punpckldq xmm1,xmm6 ; xmm1=(00 01 02 03 04 05 06 07 10 11 12 13 14 15 16 17) - punpckhdq xmm3,xmm6 ; xmm3=(20 21 22 23 24 25 26 27 30 31 32 33 34 35 36 37) - movdqa xmm7,xmm4 ; transpose coefficients(phase 3) - punpckldq xmm4,xmm2 ; xmm4=(40 41 42 43 44 45 46 47 50 51 52 53 54 55 56 57) - punpckhdq xmm7,xmm2 ; xmm7=(60 61 62 63 64 65 66 67 70 71 72 73 74 75 76 77) - - pshufd xmm5,xmm1,0x4E ; xmm5=(10 11 12 13 14 15 16 17 00 01 02 03 04 05 06 07) - pshufd xmm0,xmm3,0x4E ; xmm0=(30 31 32 33 34 35 36 37 20 21 22 23 24 25 26 27) - pshufd xmm6,xmm4,0x4E ; xmm6=(50 51 52 53 54 55 56 57 40 41 42 43 44 45 46 47) - pshufd xmm2,xmm7,0x4E ; xmm2=(70 71 72 73 74 75 76 77 60 61 62 63 64 65 66 67) - - mov rdx, JSAMPROW [rdi+0*SIZEOF_JSAMPROW] - mov rsi, JSAMPROW [rdi+2*SIZEOF_JSAMPROW] - movq XMM_MMWORD [rdx+rax*SIZEOF_JSAMPLE], xmm1 - movq XMM_MMWORD [rsi+rax*SIZEOF_JSAMPLE], xmm3 - mov rdx, JSAMPROW [rdi+4*SIZEOF_JSAMPROW] - mov rsi, JSAMPROW [rdi+6*SIZEOF_JSAMPROW] - movq XMM_MMWORD [rdx+rax*SIZEOF_JSAMPLE], xmm4 - movq XMM_MMWORD [rsi+rax*SIZEOF_JSAMPLE], xmm7 - - mov rdx, JSAMPROW [rdi+1*SIZEOF_JSAMPROW] - mov rsi, JSAMPROW [rdi+3*SIZEOF_JSAMPROW] - movq XMM_MMWORD [rdx+rax*SIZEOF_JSAMPLE], xmm5 - movq XMM_MMWORD [rsi+rax*SIZEOF_JSAMPLE], xmm0 - mov rdx, JSAMPROW [rdi+5*SIZEOF_JSAMPROW] - mov rsi, JSAMPROW [rdi+7*SIZEOF_JSAMPROW] - movq XMM_MMWORD [rdx+rax*SIZEOF_JSAMPLE], xmm6 - movq XMM_MMWORD [rsi+rax*SIZEOF_JSAMPLE], xmm2 - - uncollect_args - mov rsp,rbp ; rsp <- aligned rbp - pop rsp ; rsp <- original rbp - pop rbp - ret - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jiss2fst.asm b/common/jpeg/simd/jiss2fst.asm deleted file mode 100644 index b53664d7..00000000 --- a/common/jpeg/simd/jiss2fst.asm +++ /dev/null @@ -1,502 +0,0 @@ -; -; jiss2fst.asm - fast integer IDCT (SSE2) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; This file contains a fast, not so accurate integer implementation of -; the inverse DCT (Discrete Cosine Transform). The following code is -; based directly on the IJG's original jidctfst.c; see the jidctfst.c -; for more details. -; -; [TAB8] - -%include "jsimdext.inc" -%include "jdct.inc" - -; -------------------------------------------------------------------------- - -%define CONST_BITS 8 ; 14 is also OK. -%define PASS1_BITS 2 - -%if IFAST_SCALE_BITS != PASS1_BITS -%error "'IFAST_SCALE_BITS' must be equal to 'PASS1_BITS'." -%endif - -%if CONST_BITS == 8 -F_1_082 equ 277 ; FIX(1.082392200) -F_1_414 equ 362 ; FIX(1.414213562) -F_1_847 equ 473 ; FIX(1.847759065) -F_2_613 equ 669 ; FIX(2.613125930) -F_1_613 equ (F_2_613 - 256) ; FIX(2.613125930) - FIX(1) -%else -; NASM cannot do compile-time arithmetic on floating-point constants. -%define DESCALE(x,n) (((x)+(1<<((n)-1)))>>(n)) -F_1_082 equ DESCALE(1162209775,30-CONST_BITS) ; FIX(1.082392200) -F_1_414 equ DESCALE(1518500249,30-CONST_BITS) ; FIX(1.414213562) -F_1_847 equ DESCALE(1984016188,30-CONST_BITS) ; FIX(1.847759065) -F_2_613 equ DESCALE(2805822602,30-CONST_BITS) ; FIX(2.613125930) -F_1_613 equ (F_2_613 - (1 << CONST_BITS)) ; FIX(2.613125930) - FIX(1) -%endif - -; -------------------------------------------------------------------------- - SECTION SEG_CONST - -; PRE_MULTIPLY_SCALE_BITS <= 2 (to avoid overflow) -; CONST_BITS + CONST_SHIFT + PRE_MULTIPLY_SCALE_BITS == 16 (for pmulhw) - -%define PRE_MULTIPLY_SCALE_BITS 2 -%define CONST_SHIFT (16 - PRE_MULTIPLY_SCALE_BITS - CONST_BITS) - - alignz 16 - global EXTN(jconst_idct_ifast_sse2) - -EXTN(jconst_idct_ifast_sse2): - -PW_F1414 times 8 dw F_1_414 << CONST_SHIFT -PW_F1847 times 8 dw F_1_847 << CONST_SHIFT -PW_MF1613 times 8 dw -F_1_613 << CONST_SHIFT -PW_F1082 times 8 dw F_1_082 << CONST_SHIFT -PB_CENTERJSAMP times 16 db CENTERJSAMPLE - - alignz 16 - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 32 -; -; Perform dequantization and inverse DCT on one block of coefficients. -; -; GLOBAL(void) -; jsimd_idct_ifast_sse2 (void * dct_table, JCOEFPTR coef_block, -; JSAMPARRAY output_buf, JDIMENSION output_col) -; - -%define dct_table(b) (b)+8 ; jpeg_component_info * compptr -%define coef_block(b) (b)+12 ; JCOEFPTR coef_block -%define output_buf(b) (b)+16 ; JSAMPARRAY output_buf -%define output_col(b) (b)+20 ; JDIMENSION output_col - -%define original_ebp ebp+0 -%define wk(i) ebp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM] -%define WK_NUM 2 - - align 16 - global EXTN(jsimd_idct_ifast_sse2) - -EXTN(jsimd_idct_ifast_sse2): - push ebp - mov eax,esp ; eax = original ebp - sub esp, byte 4 - and esp, byte (-SIZEOF_XMMWORD) ; align to 128 bits - mov [esp],eax - mov ebp,esp ; ebp = aligned ebp - lea esp, [wk(0)] - pushpic ebx -; push ecx ; unused -; push edx ; need not be preserved - push esi - push edi - - get_GOT ebx ; get GOT address - - ; ---- Pass 1: process columns from input. - -; mov eax, [original_ebp] - mov edx, POINTER [dct_table(eax)] ; quantptr - mov esi, JCOEFPTR [coef_block(eax)] ; inptr - -%ifndef NO_ZERO_COLUMN_TEST_IFAST_SSE2 - mov eax, DWORD [DWBLOCK(1,0,esi,SIZEOF_JCOEF)] - or eax, DWORD [DWBLOCK(2,0,esi,SIZEOF_JCOEF)] - jnz near .columnDCT - - movdqa xmm0, XMMWORD [XMMBLOCK(1,0,esi,SIZEOF_JCOEF)] - movdqa xmm1, XMMWORD [XMMBLOCK(2,0,esi,SIZEOF_JCOEF)] - por xmm0, XMMWORD [XMMBLOCK(3,0,esi,SIZEOF_JCOEF)] - por xmm1, XMMWORD [XMMBLOCK(4,0,esi,SIZEOF_JCOEF)] - por xmm0, XMMWORD [XMMBLOCK(5,0,esi,SIZEOF_JCOEF)] - por xmm1, XMMWORD [XMMBLOCK(6,0,esi,SIZEOF_JCOEF)] - por xmm0, XMMWORD [XMMBLOCK(7,0,esi,SIZEOF_JCOEF)] - por xmm1,xmm0 - packsswb xmm1,xmm1 - packsswb xmm1,xmm1 - movd eax,xmm1 - test eax,eax - jnz short .columnDCT - - ; -- AC terms all zero - - movdqa xmm0, XMMWORD [XMMBLOCK(0,0,esi,SIZEOF_JCOEF)] - pmullw xmm0, XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - - movdqa xmm7,xmm0 ; xmm0=in0=(00 01 02 03 04 05 06 07) - punpcklwd xmm0,xmm0 ; xmm0=(00 00 01 01 02 02 03 03) - punpckhwd xmm7,xmm7 ; xmm7=(04 04 05 05 06 06 07 07) - - pshufd xmm6,xmm0,0x00 ; xmm6=col0=(00 00 00 00 00 00 00 00) - pshufd xmm2,xmm0,0x55 ; xmm2=col1=(01 01 01 01 01 01 01 01) - pshufd xmm5,xmm0,0xAA ; xmm5=col2=(02 02 02 02 02 02 02 02) - pshufd xmm0,xmm0,0xFF ; xmm0=col3=(03 03 03 03 03 03 03 03) - pshufd xmm1,xmm7,0x00 ; xmm1=col4=(04 04 04 04 04 04 04 04) - pshufd xmm4,xmm7,0x55 ; xmm4=col5=(05 05 05 05 05 05 05 05) - pshufd xmm3,xmm7,0xAA ; xmm3=col6=(06 06 06 06 06 06 06 06) - pshufd xmm7,xmm7,0xFF ; xmm7=col7=(07 07 07 07 07 07 07 07) - - movdqa XMMWORD [wk(0)], xmm2 ; wk(0)=col1 - movdqa XMMWORD [wk(1)], xmm0 ; wk(1)=col3 - jmp near .column_end - alignx 16,7 -%endif -.columnDCT: - - ; -- Even part - - movdqa xmm0, XMMWORD [XMMBLOCK(0,0,esi,SIZEOF_JCOEF)] - movdqa xmm1, XMMWORD [XMMBLOCK(2,0,esi,SIZEOF_JCOEF)] - pmullw xmm0, XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_IFAST_MULT_TYPE)] - pmullw xmm1, XMMWORD [XMMBLOCK(2,0,edx,SIZEOF_IFAST_MULT_TYPE)] - movdqa xmm2, XMMWORD [XMMBLOCK(4,0,esi,SIZEOF_JCOEF)] - movdqa xmm3, XMMWORD [XMMBLOCK(6,0,esi,SIZEOF_JCOEF)] - pmullw xmm2, XMMWORD [XMMBLOCK(4,0,edx,SIZEOF_IFAST_MULT_TYPE)] - pmullw xmm3, XMMWORD [XMMBLOCK(6,0,edx,SIZEOF_IFAST_MULT_TYPE)] - - movdqa xmm4,xmm0 - movdqa xmm5,xmm1 - psubw xmm0,xmm2 ; xmm0=tmp11 - psubw xmm1,xmm3 - paddw xmm4,xmm2 ; xmm4=tmp10 - paddw xmm5,xmm3 ; xmm5=tmp13 - - psllw xmm1,PRE_MULTIPLY_SCALE_BITS - pmulhw xmm1,[GOTOFF(ebx,PW_F1414)] - psubw xmm1,xmm5 ; xmm1=tmp12 - - movdqa xmm6,xmm4 - movdqa xmm7,xmm0 - psubw xmm4,xmm5 ; xmm4=tmp3 - psubw xmm0,xmm1 ; xmm0=tmp2 - paddw xmm6,xmm5 ; xmm6=tmp0 - paddw xmm7,xmm1 ; xmm7=tmp1 - - movdqa XMMWORD [wk(1)], xmm4 ; wk(1)=tmp3 - movdqa XMMWORD [wk(0)], xmm0 ; wk(0)=tmp2 - - ; -- Odd part - - movdqa xmm2, XMMWORD [XMMBLOCK(1,0,esi,SIZEOF_JCOEF)] - movdqa xmm3, XMMWORD [XMMBLOCK(3,0,esi,SIZEOF_JCOEF)] - pmullw xmm2, XMMWORD [XMMBLOCK(1,0,edx,SIZEOF_IFAST_MULT_TYPE)] - pmullw xmm3, XMMWORD [XMMBLOCK(3,0,edx,SIZEOF_IFAST_MULT_TYPE)] - movdqa xmm5, XMMWORD [XMMBLOCK(5,0,esi,SIZEOF_JCOEF)] - movdqa xmm1, XMMWORD [XMMBLOCK(7,0,esi,SIZEOF_JCOEF)] - pmullw xmm5, XMMWORD [XMMBLOCK(5,0,edx,SIZEOF_IFAST_MULT_TYPE)] - pmullw xmm1, XMMWORD [XMMBLOCK(7,0,edx,SIZEOF_IFAST_MULT_TYPE)] - - movdqa xmm4,xmm2 - movdqa xmm0,xmm5 - psubw xmm2,xmm1 ; xmm2=z12 - psubw xmm5,xmm3 ; xmm5=z10 - paddw xmm4,xmm1 ; xmm4=z11 - paddw xmm0,xmm3 ; xmm0=z13 - - movdqa xmm1,xmm5 ; xmm1=z10(unscaled) - psllw xmm2,PRE_MULTIPLY_SCALE_BITS - psllw xmm5,PRE_MULTIPLY_SCALE_BITS - - movdqa xmm3,xmm4 - psubw xmm4,xmm0 - paddw xmm3,xmm0 ; xmm3=tmp7 - - psllw xmm4,PRE_MULTIPLY_SCALE_BITS - pmulhw xmm4,[GOTOFF(ebx,PW_F1414)] ; xmm4=tmp11 - - ; To avoid overflow... - ; - ; (Original) - ; tmp12 = -2.613125930 * z10 + z5; - ; - ; (This implementation) - ; tmp12 = (-1.613125930 - 1) * z10 + z5; - ; = -1.613125930 * z10 - z10 + z5; - - movdqa xmm0,xmm5 - paddw xmm5,xmm2 - pmulhw xmm5,[GOTOFF(ebx,PW_F1847)] ; xmm5=z5 - pmulhw xmm0,[GOTOFF(ebx,PW_MF1613)] - pmulhw xmm2,[GOTOFF(ebx,PW_F1082)] - psubw xmm0,xmm1 - psubw xmm2,xmm5 ; xmm2=tmp10 - paddw xmm0,xmm5 ; xmm0=tmp12 - - ; -- Final output stage - - psubw xmm0,xmm3 ; xmm0=tmp6 - movdqa xmm1,xmm6 - movdqa xmm5,xmm7 - paddw xmm6,xmm3 ; xmm6=data0=(00 01 02 03 04 05 06 07) - paddw xmm7,xmm0 ; xmm7=data1=(10 11 12 13 14 15 16 17) - psubw xmm1,xmm3 ; xmm1=data7=(70 71 72 73 74 75 76 77) - psubw xmm5,xmm0 ; xmm5=data6=(60 61 62 63 64 65 66 67) - psubw xmm4,xmm0 ; xmm4=tmp5 - - movdqa xmm3,xmm6 ; transpose coefficients(phase 1) - punpcklwd xmm6,xmm7 ; xmm6=(00 10 01 11 02 12 03 13) - punpckhwd xmm3,xmm7 ; xmm3=(04 14 05 15 06 16 07 17) - movdqa xmm0,xmm5 ; transpose coefficients(phase 1) - punpcklwd xmm5,xmm1 ; xmm5=(60 70 61 71 62 72 63 73) - punpckhwd xmm0,xmm1 ; xmm0=(64 74 65 75 66 76 67 77) - - movdqa xmm7, XMMWORD [wk(0)] ; xmm7=tmp2 - movdqa xmm1, XMMWORD [wk(1)] ; xmm1=tmp3 - - movdqa XMMWORD [wk(0)], xmm5 ; wk(0)=(60 70 61 71 62 72 63 73) - movdqa XMMWORD [wk(1)], xmm0 ; wk(1)=(64 74 65 75 66 76 67 77) - - paddw xmm2,xmm4 ; xmm2=tmp4 - movdqa xmm5,xmm7 - movdqa xmm0,xmm1 - paddw xmm7,xmm4 ; xmm7=data2=(20 21 22 23 24 25 26 27) - paddw xmm1,xmm2 ; xmm1=data4=(40 41 42 43 44 45 46 47) - psubw xmm5,xmm4 ; xmm5=data5=(50 51 52 53 54 55 56 57) - psubw xmm0,xmm2 ; xmm0=data3=(30 31 32 33 34 35 36 37) - - movdqa xmm4,xmm7 ; transpose coefficients(phase 1) - punpcklwd xmm7,xmm0 ; xmm7=(20 30 21 31 22 32 23 33) - punpckhwd xmm4,xmm0 ; xmm4=(24 34 25 35 26 36 27 37) - movdqa xmm2,xmm1 ; transpose coefficients(phase 1) - punpcklwd xmm1,xmm5 ; xmm1=(40 50 41 51 42 52 43 53) - punpckhwd xmm2,xmm5 ; xmm2=(44 54 45 55 46 56 47 57) - - movdqa xmm0,xmm3 ; transpose coefficients(phase 2) - punpckldq xmm3,xmm4 ; xmm3=(04 14 24 34 05 15 25 35) - punpckhdq xmm0,xmm4 ; xmm0=(06 16 26 36 07 17 27 37) - movdqa xmm5,xmm6 ; transpose coefficients(phase 2) - punpckldq xmm6,xmm7 ; xmm6=(00 10 20 30 01 11 21 31) - punpckhdq xmm5,xmm7 ; xmm5=(02 12 22 32 03 13 23 33) - - movdqa xmm4, XMMWORD [wk(0)] ; xmm4=(60 70 61 71 62 72 63 73) - movdqa xmm7, XMMWORD [wk(1)] ; xmm7=(64 74 65 75 66 76 67 77) - - movdqa XMMWORD [wk(0)], xmm3 ; wk(0)=(04 14 24 34 05 15 25 35) - movdqa XMMWORD [wk(1)], xmm0 ; wk(1)=(06 16 26 36 07 17 27 37) - - movdqa xmm3,xmm1 ; transpose coefficients(phase 2) - punpckldq xmm1,xmm4 ; xmm1=(40 50 60 70 41 51 61 71) - punpckhdq xmm3,xmm4 ; xmm3=(42 52 62 72 43 53 63 73) - movdqa xmm0,xmm2 ; transpose coefficients(phase 2) - punpckldq xmm2,xmm7 ; xmm2=(44 54 64 74 45 55 65 75) - punpckhdq xmm0,xmm7 ; xmm0=(46 56 66 76 47 57 67 77) - - movdqa xmm4,xmm6 ; transpose coefficients(phase 3) - punpcklqdq xmm6,xmm1 ; xmm6=col0=(00 10 20 30 40 50 60 70) - punpckhqdq xmm4,xmm1 ; xmm4=col1=(01 11 21 31 41 51 61 71) - movdqa xmm7,xmm5 ; transpose coefficients(phase 3) - punpcklqdq xmm5,xmm3 ; xmm5=col2=(02 12 22 32 42 52 62 72) - punpckhqdq xmm7,xmm3 ; xmm7=col3=(03 13 23 33 43 53 63 73) - - movdqa xmm1, XMMWORD [wk(0)] ; xmm1=(04 14 24 34 05 15 25 35) - movdqa xmm3, XMMWORD [wk(1)] ; xmm3=(06 16 26 36 07 17 27 37) - - movdqa XMMWORD [wk(0)], xmm4 ; wk(0)=col1 - movdqa XMMWORD [wk(1)], xmm7 ; wk(1)=col3 - - movdqa xmm4,xmm1 ; transpose coefficients(phase 3) - punpcklqdq xmm1,xmm2 ; xmm1=col4=(04 14 24 34 44 54 64 74) - punpckhqdq xmm4,xmm2 ; xmm4=col5=(05 15 25 35 45 55 65 75) - movdqa xmm7,xmm3 ; transpose coefficients(phase 3) - punpcklqdq xmm3,xmm0 ; xmm3=col6=(06 16 26 36 46 56 66 76) - punpckhqdq xmm7,xmm0 ; xmm7=col7=(07 17 27 37 47 57 67 77) -.column_end: - - ; -- Prefetch the next coefficient block - - prefetchnta [esi + DCTSIZE2*SIZEOF_JCOEF + 0*32] - prefetchnta [esi + DCTSIZE2*SIZEOF_JCOEF + 1*32] - prefetchnta [esi + DCTSIZE2*SIZEOF_JCOEF + 2*32] - prefetchnta [esi + DCTSIZE2*SIZEOF_JCOEF + 3*32] - - ; ---- Pass 2: process rows from work array, store into output array. - - mov eax, [original_ebp] - mov edi, JSAMPARRAY [output_buf(eax)] ; (JSAMPROW *) - mov eax, JDIMENSION [output_col(eax)] - - ; -- Even part - - ; xmm6=col0, xmm5=col2, xmm1=col4, xmm3=col6 - - movdqa xmm2,xmm6 - movdqa xmm0,xmm5 - psubw xmm6,xmm1 ; xmm6=tmp11 - psubw xmm5,xmm3 - paddw xmm2,xmm1 ; xmm2=tmp10 - paddw xmm0,xmm3 ; xmm0=tmp13 - - psllw xmm5,PRE_MULTIPLY_SCALE_BITS - pmulhw xmm5,[GOTOFF(ebx,PW_F1414)] - psubw xmm5,xmm0 ; xmm5=tmp12 - - movdqa xmm1,xmm2 - movdqa xmm3,xmm6 - psubw xmm2,xmm0 ; xmm2=tmp3 - psubw xmm6,xmm5 ; xmm6=tmp2 - paddw xmm1,xmm0 ; xmm1=tmp0 - paddw xmm3,xmm5 ; xmm3=tmp1 - - movdqa xmm0, XMMWORD [wk(0)] ; xmm0=col1 - movdqa xmm5, XMMWORD [wk(1)] ; xmm5=col3 - - movdqa XMMWORD [wk(0)], xmm2 ; wk(0)=tmp3 - movdqa XMMWORD [wk(1)], xmm6 ; wk(1)=tmp2 - - ; -- Odd part - - ; xmm0=col1, xmm5=col3, xmm4=col5, xmm7=col7 - - movdqa xmm2,xmm0 - movdqa xmm6,xmm4 - psubw xmm0,xmm7 ; xmm0=z12 - psubw xmm4,xmm5 ; xmm4=z10 - paddw xmm2,xmm7 ; xmm2=z11 - paddw xmm6,xmm5 ; xmm6=z13 - - movdqa xmm7,xmm4 ; xmm7=z10(unscaled) - psllw xmm0,PRE_MULTIPLY_SCALE_BITS - psllw xmm4,PRE_MULTIPLY_SCALE_BITS - - movdqa xmm5,xmm2 - psubw xmm2,xmm6 - paddw xmm5,xmm6 ; xmm5=tmp7 - - psllw xmm2,PRE_MULTIPLY_SCALE_BITS - pmulhw xmm2,[GOTOFF(ebx,PW_F1414)] ; xmm2=tmp11 - - ; To avoid overflow... - ; - ; (Original) - ; tmp12 = -2.613125930 * z10 + z5; - ; - ; (This implementation) - ; tmp12 = (-1.613125930 - 1) * z10 + z5; - ; = -1.613125930 * z10 - z10 + z5; - - movdqa xmm6,xmm4 - paddw xmm4,xmm0 - pmulhw xmm4,[GOTOFF(ebx,PW_F1847)] ; xmm4=z5 - pmulhw xmm6,[GOTOFF(ebx,PW_MF1613)] - pmulhw xmm0,[GOTOFF(ebx,PW_F1082)] - psubw xmm6,xmm7 - psubw xmm0,xmm4 ; xmm0=tmp10 - paddw xmm6,xmm4 ; xmm6=tmp12 - - ; -- Final output stage - - psubw xmm6,xmm5 ; xmm6=tmp6 - movdqa xmm7,xmm1 - movdqa xmm4,xmm3 - paddw xmm1,xmm5 ; xmm1=data0=(00 10 20 30 40 50 60 70) - paddw xmm3,xmm6 ; xmm3=data1=(01 11 21 31 41 51 61 71) - psraw xmm1,(PASS1_BITS+3) ; descale - psraw xmm3,(PASS1_BITS+3) ; descale - psubw xmm7,xmm5 ; xmm7=data7=(07 17 27 37 47 57 67 77) - psubw xmm4,xmm6 ; xmm4=data6=(06 16 26 36 46 56 66 76) - psraw xmm7,(PASS1_BITS+3) ; descale - psraw xmm4,(PASS1_BITS+3) ; descale - psubw xmm2,xmm6 ; xmm2=tmp5 - - packsswb xmm1,xmm4 ; xmm1=(00 10 20 30 40 50 60 70 06 16 26 36 46 56 66 76) - packsswb xmm3,xmm7 ; xmm3=(01 11 21 31 41 51 61 71 07 17 27 37 47 57 67 77) - - movdqa xmm5, XMMWORD [wk(1)] ; xmm5=tmp2 - movdqa xmm6, XMMWORD [wk(0)] ; xmm6=tmp3 - - paddw xmm0,xmm2 ; xmm0=tmp4 - movdqa xmm4,xmm5 - movdqa xmm7,xmm6 - paddw xmm5,xmm2 ; xmm5=data2=(02 12 22 32 42 52 62 72) - paddw xmm6,xmm0 ; xmm6=data4=(04 14 24 34 44 54 64 74) - psraw xmm5,(PASS1_BITS+3) ; descale - psraw xmm6,(PASS1_BITS+3) ; descale - psubw xmm4,xmm2 ; xmm4=data5=(05 15 25 35 45 55 65 75) - psubw xmm7,xmm0 ; xmm7=data3=(03 13 23 33 43 53 63 73) - psraw xmm4,(PASS1_BITS+3) ; descale - psraw xmm7,(PASS1_BITS+3) ; descale - - movdqa xmm2,[GOTOFF(ebx,PB_CENTERJSAMP)] ; xmm2=[PB_CENTERJSAMP] - - packsswb xmm5,xmm6 ; xmm5=(02 12 22 32 42 52 62 72 04 14 24 34 44 54 64 74) - packsswb xmm7,xmm4 ; xmm7=(03 13 23 33 43 53 63 73 05 15 25 35 45 55 65 75) - - paddb xmm1,xmm2 - paddb xmm3,xmm2 - paddb xmm5,xmm2 - paddb xmm7,xmm2 - - movdqa xmm0,xmm1 ; transpose coefficients(phase 1) - punpcklbw xmm1,xmm3 ; xmm1=(00 01 10 11 20 21 30 31 40 41 50 51 60 61 70 71) - punpckhbw xmm0,xmm3 ; xmm0=(06 07 16 17 26 27 36 37 46 47 56 57 66 67 76 77) - movdqa xmm6,xmm5 ; transpose coefficients(phase 1) - punpcklbw xmm5,xmm7 ; xmm5=(02 03 12 13 22 23 32 33 42 43 52 53 62 63 72 73) - punpckhbw xmm6,xmm7 ; xmm6=(04 05 14 15 24 25 34 35 44 45 54 55 64 65 74 75) - - movdqa xmm4,xmm1 ; transpose coefficients(phase 2) - punpcklwd xmm1,xmm5 ; xmm1=(00 01 02 03 10 11 12 13 20 21 22 23 30 31 32 33) - punpckhwd xmm4,xmm5 ; xmm4=(40 41 42 43 50 51 52 53 60 61 62 63 70 71 72 73) - movdqa xmm2,xmm6 ; transpose coefficients(phase 2) - punpcklwd xmm6,xmm0 ; xmm6=(04 05 06 07 14 15 16 17 24 25 26 27 34 35 36 37) - punpckhwd xmm2,xmm0 ; xmm2=(44 45 46 47 54 55 56 57 64 65 66 67 74 75 76 77) - - movdqa xmm3,xmm1 ; transpose coefficients(phase 3) - punpckldq xmm1,xmm6 ; xmm1=(00 01 02 03 04 05 06 07 10 11 12 13 14 15 16 17) - punpckhdq xmm3,xmm6 ; xmm3=(20 21 22 23 24 25 26 27 30 31 32 33 34 35 36 37) - movdqa xmm7,xmm4 ; transpose coefficients(phase 3) - punpckldq xmm4,xmm2 ; xmm4=(40 41 42 43 44 45 46 47 50 51 52 53 54 55 56 57) - punpckhdq xmm7,xmm2 ; xmm7=(60 61 62 63 64 65 66 67 70 71 72 73 74 75 76 77) - - pshufd xmm5,xmm1,0x4E ; xmm5=(10 11 12 13 14 15 16 17 00 01 02 03 04 05 06 07) - pshufd xmm0,xmm3,0x4E ; xmm0=(30 31 32 33 34 35 36 37 20 21 22 23 24 25 26 27) - pshufd xmm6,xmm4,0x4E ; xmm6=(50 51 52 53 54 55 56 57 40 41 42 43 44 45 46 47) - pshufd xmm2,xmm7,0x4E ; xmm2=(70 71 72 73 74 75 76 77 60 61 62 63 64 65 66 67) - - mov edx, JSAMPROW [edi+0*SIZEOF_JSAMPROW] - mov esi, JSAMPROW [edi+2*SIZEOF_JSAMPROW] - movq XMM_MMWORD [edx+eax*SIZEOF_JSAMPLE], xmm1 - movq XMM_MMWORD [esi+eax*SIZEOF_JSAMPLE], xmm3 - mov edx, JSAMPROW [edi+4*SIZEOF_JSAMPROW] - mov esi, JSAMPROW [edi+6*SIZEOF_JSAMPROW] - movq XMM_MMWORD [edx+eax*SIZEOF_JSAMPLE], xmm4 - movq XMM_MMWORD [esi+eax*SIZEOF_JSAMPLE], xmm7 - - mov edx, JSAMPROW [edi+1*SIZEOF_JSAMPROW] - mov esi, JSAMPROW [edi+3*SIZEOF_JSAMPROW] - movq XMM_MMWORD [edx+eax*SIZEOF_JSAMPLE], xmm5 - movq XMM_MMWORD [esi+eax*SIZEOF_JSAMPLE], xmm0 - mov edx, JSAMPROW [edi+5*SIZEOF_JSAMPROW] - mov esi, JSAMPROW [edi+7*SIZEOF_JSAMPROW] - movq XMM_MMWORD [edx+eax*SIZEOF_JSAMPLE], xmm6 - movq XMM_MMWORD [esi+eax*SIZEOF_JSAMPLE], xmm2 - - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; unused - poppic ebx - mov esp,ebp ; esp <- aligned ebp - pop esp ; esp <- original ebp - pop ebp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jiss2int-64.asm b/common/jpeg/simd/jiss2int-64.asm deleted file mode 100644 index 13764d6a..00000000 --- a/common/jpeg/simd/jiss2int-64.asm +++ /dev/null @@ -1,848 +0,0 @@ -; -; jiss2int-64.asm - accurate integer IDCT (64-bit SSE2) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; Copyright 2009 D. R. Commander -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; This file contains a slow-but-accurate integer implementation of the -; inverse DCT (Discrete Cosine Transform). The following code is based -; directly on the IJG's original jidctint.c; see the jidctint.c for -; more details. -; -; [TAB8] - -%include "jsimdext.inc" -%include "jdct.inc" - -; -------------------------------------------------------------------------- - -%define CONST_BITS 13 -%define PASS1_BITS 2 - -%define DESCALE_P1 (CONST_BITS-PASS1_BITS) -%define DESCALE_P2 (CONST_BITS+PASS1_BITS+3) - -%if CONST_BITS == 13 -F_0_298 equ 2446 ; FIX(0.298631336) -F_0_390 equ 3196 ; FIX(0.390180644) -F_0_541 equ 4433 ; FIX(0.541196100) -F_0_765 equ 6270 ; FIX(0.765366865) -F_0_899 equ 7373 ; FIX(0.899976223) -F_1_175 equ 9633 ; FIX(1.175875602) -F_1_501 equ 12299 ; FIX(1.501321110) -F_1_847 equ 15137 ; FIX(1.847759065) -F_1_961 equ 16069 ; FIX(1.961570560) -F_2_053 equ 16819 ; FIX(2.053119869) -F_2_562 equ 20995 ; FIX(2.562915447) -F_3_072 equ 25172 ; FIX(3.072711026) -%else -; NASM cannot do compile-time arithmetic on floating-point constants. -%define DESCALE(x,n) (((x)+(1<<((n)-1)))>>(n)) -F_0_298 equ DESCALE( 320652955,30-CONST_BITS) ; FIX(0.298631336) -F_0_390 equ DESCALE( 418953276,30-CONST_BITS) ; FIX(0.390180644) -F_0_541 equ DESCALE( 581104887,30-CONST_BITS) ; FIX(0.541196100) -F_0_765 equ DESCALE( 821806413,30-CONST_BITS) ; FIX(0.765366865) -F_0_899 equ DESCALE( 966342111,30-CONST_BITS) ; FIX(0.899976223) -F_1_175 equ DESCALE(1262586813,30-CONST_BITS) ; FIX(1.175875602) -F_1_501 equ DESCALE(1612031267,30-CONST_BITS) ; FIX(1.501321110) -F_1_847 equ DESCALE(1984016188,30-CONST_BITS) ; FIX(1.847759065) -F_1_961 equ DESCALE(2106220350,30-CONST_BITS) ; FIX(1.961570560) -F_2_053 equ DESCALE(2204520673,30-CONST_BITS) ; FIX(2.053119869) -F_2_562 equ DESCALE(2751909506,30-CONST_BITS) ; FIX(2.562915447) -F_3_072 equ DESCALE(3299298341,30-CONST_BITS) ; FIX(3.072711026) -%endif - -; -------------------------------------------------------------------------- - SECTION SEG_CONST - - alignz 16 - global EXTN(jconst_idct_islow_sse2) - -EXTN(jconst_idct_islow_sse2): - -PW_F130_F054 times 4 dw (F_0_541+F_0_765), F_0_541 -PW_F054_MF130 times 4 dw F_0_541, (F_0_541-F_1_847) -PW_MF078_F117 times 4 dw (F_1_175-F_1_961), F_1_175 -PW_F117_F078 times 4 dw F_1_175, (F_1_175-F_0_390) -PW_MF060_MF089 times 4 dw (F_0_298-F_0_899),-F_0_899 -PW_MF089_F060 times 4 dw -F_0_899, (F_1_501-F_0_899) -PW_MF050_MF256 times 4 dw (F_2_053-F_2_562),-F_2_562 -PW_MF256_F050 times 4 dw -F_2_562, (F_3_072-F_2_562) -PD_DESCALE_P1 times 4 dd 1 << (DESCALE_P1-1) -PD_DESCALE_P2 times 4 dd 1 << (DESCALE_P2-1) -PB_CENTERJSAMP times 16 db CENTERJSAMPLE - - alignz 16 - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 64 -; -; Perform dequantization and inverse DCT on one block of coefficients. -; -; GLOBAL(void) -; jsimd_idct_islow_sse2 (void * dct_table, JCOEFPTR coef_block, -; JSAMPARRAY output_buf, JDIMENSION output_col) -; - -; r10 = jpeg_component_info * compptr -; r11 = JCOEFPTR coef_block -; r12 = JSAMPARRAY output_buf -; r13 = JDIMENSION output_col - -%define original_rbp rbp+0 -%define wk(i) rbp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM] -%define WK_NUM 12 - - align 16 - global EXTN(jsimd_idct_islow_sse2) - -EXTN(jsimd_idct_islow_sse2): - push rbp - mov rax,rsp ; rax = original rbp - sub rsp, byte 4 - and rsp, byte (-SIZEOF_XMMWORD) ; align to 128 bits - mov [rsp],rax - mov rbp,rsp ; rbp = aligned rbp - lea rsp, [wk(0)] - collect_args - - ; ---- Pass 1: process columns from input. - - mov rdx, r10 ; quantptr - mov rsi, r11 ; inptr - -%ifndef NO_ZERO_COLUMN_TEST_ISLOW_SSE2 - mov eax, DWORD [DWBLOCK(1,0,rsi,SIZEOF_JCOEF)] - or eax, DWORD [DWBLOCK(2,0,rsi,SIZEOF_JCOEF)] - jnz near .columnDCT - - movdqa xmm0, XMMWORD [XMMBLOCK(1,0,rsi,SIZEOF_JCOEF)] - movdqa xmm1, XMMWORD [XMMBLOCK(2,0,rsi,SIZEOF_JCOEF)] - por xmm0, XMMWORD [XMMBLOCK(3,0,rsi,SIZEOF_JCOEF)] - por xmm1, XMMWORD [XMMBLOCK(4,0,rsi,SIZEOF_JCOEF)] - por xmm0, XMMWORD [XMMBLOCK(5,0,rsi,SIZEOF_JCOEF)] - por xmm1, XMMWORD [XMMBLOCK(6,0,rsi,SIZEOF_JCOEF)] - por xmm0, XMMWORD [XMMBLOCK(7,0,rsi,SIZEOF_JCOEF)] - por xmm1,xmm0 - packsswb xmm1,xmm1 - packsswb xmm1,xmm1 - movd eax,xmm1 - test rax,rax - jnz short .columnDCT - - ; -- AC terms all zero - - movdqa xmm5, XMMWORD [XMMBLOCK(0,0,rsi,SIZEOF_JCOEF)] - pmullw xmm5, XMMWORD [XMMBLOCK(0,0,rdx,SIZEOF_ISLOW_MULT_TYPE)] - - psllw xmm5,PASS1_BITS - - movdqa xmm4,xmm5 ; xmm5=in0=(00 01 02 03 04 05 06 07) - punpcklwd xmm5,xmm5 ; xmm5=(00 00 01 01 02 02 03 03) - punpckhwd xmm4,xmm4 ; xmm4=(04 04 05 05 06 06 07 07) - - pshufd xmm7,xmm5,0x00 ; xmm7=col0=(00 00 00 00 00 00 00 00) - pshufd xmm6,xmm5,0x55 ; xmm6=col1=(01 01 01 01 01 01 01 01) - pshufd xmm1,xmm5,0xAA ; xmm1=col2=(02 02 02 02 02 02 02 02) - pshufd xmm5,xmm5,0xFF ; xmm5=col3=(03 03 03 03 03 03 03 03) - pshufd xmm0,xmm4,0x00 ; xmm0=col4=(04 04 04 04 04 04 04 04) - pshufd xmm3,xmm4,0x55 ; xmm3=col5=(05 05 05 05 05 05 05 05) - pshufd xmm2,xmm4,0xAA ; xmm2=col6=(06 06 06 06 06 06 06 06) - pshufd xmm4,xmm4,0xFF ; xmm4=col7=(07 07 07 07 07 07 07 07) - - movdqa XMMWORD [wk(8)], xmm6 ; wk(8)=col1 - movdqa XMMWORD [wk(9)], xmm5 ; wk(9)=col3 - movdqa XMMWORD [wk(10)], xmm3 ; wk(10)=col5 - movdqa XMMWORD [wk(11)], xmm4 ; wk(11)=col7 - jmp near .column_end -%endif -.columnDCT: - - ; -- Even part - - movdqa xmm0, XMMWORD [XMMBLOCK(0,0,rsi,SIZEOF_JCOEF)] - movdqa xmm1, XMMWORD [XMMBLOCK(2,0,rsi,SIZEOF_JCOEF)] - pmullw xmm0, XMMWORD [XMMBLOCK(0,0,rdx,SIZEOF_ISLOW_MULT_TYPE)] - pmullw xmm1, XMMWORD [XMMBLOCK(2,0,rdx,SIZEOF_ISLOW_MULT_TYPE)] - movdqa xmm2, XMMWORD [XMMBLOCK(4,0,rsi,SIZEOF_JCOEF)] - movdqa xmm3, XMMWORD [XMMBLOCK(6,0,rsi,SIZEOF_JCOEF)] - pmullw xmm2, XMMWORD [XMMBLOCK(4,0,rdx,SIZEOF_ISLOW_MULT_TYPE)] - pmullw xmm3, XMMWORD [XMMBLOCK(6,0,rdx,SIZEOF_ISLOW_MULT_TYPE)] - - ; (Original) - ; z1 = (z2 + z3) * 0.541196100; - ; tmp2 = z1 + z3 * -1.847759065; - ; tmp3 = z1 + z2 * 0.765366865; - ; - ; (This implementation) - ; tmp2 = z2 * 0.541196100 + z3 * (0.541196100 - 1.847759065); - ; tmp3 = z2 * (0.541196100 + 0.765366865) + z3 * 0.541196100; - - movdqa xmm4,xmm1 ; xmm1=in2=z2 - movdqa xmm5,xmm1 - punpcklwd xmm4,xmm3 ; xmm3=in6=z3 - punpckhwd xmm5,xmm3 - movdqa xmm1,xmm4 - movdqa xmm3,xmm5 - pmaddwd xmm4,[rel PW_F130_F054] ; xmm4=tmp3L - pmaddwd xmm5,[rel PW_F130_F054] ; xmm5=tmp3H - pmaddwd xmm1,[rel PW_F054_MF130] ; xmm1=tmp2L - pmaddwd xmm3,[rel PW_F054_MF130] ; xmm3=tmp2H - - movdqa xmm6,xmm0 - paddw xmm0,xmm2 ; xmm0=in0+in4 - psubw xmm6,xmm2 ; xmm6=in0-in4 - - pxor xmm7,xmm7 - pxor xmm2,xmm2 - punpcklwd xmm7,xmm0 ; xmm7=tmp0L - punpckhwd xmm2,xmm0 ; xmm2=tmp0H - psrad xmm7,(16-CONST_BITS) ; psrad xmm7,16 & pslld xmm7,CONST_BITS - psrad xmm2,(16-CONST_BITS) ; psrad xmm2,16 & pslld xmm2,CONST_BITS - - movdqa xmm0,xmm7 - paddd xmm7,xmm4 ; xmm7=tmp10L - psubd xmm0,xmm4 ; xmm0=tmp13L - movdqa xmm4,xmm2 - paddd xmm2,xmm5 ; xmm2=tmp10H - psubd xmm4,xmm5 ; xmm4=tmp13H - - movdqa XMMWORD [wk(0)], xmm7 ; wk(0)=tmp10L - movdqa XMMWORD [wk(1)], xmm2 ; wk(1)=tmp10H - movdqa XMMWORD [wk(2)], xmm0 ; wk(2)=tmp13L - movdqa XMMWORD [wk(3)], xmm4 ; wk(3)=tmp13H - - pxor xmm5,xmm5 - pxor xmm7,xmm7 - punpcklwd xmm5,xmm6 ; xmm5=tmp1L - punpckhwd xmm7,xmm6 ; xmm7=tmp1H - psrad xmm5,(16-CONST_BITS) ; psrad xmm5,16 & pslld xmm5,CONST_BITS - psrad xmm7,(16-CONST_BITS) ; psrad xmm7,16 & pslld xmm7,CONST_BITS - - movdqa xmm2,xmm5 - paddd xmm5,xmm1 ; xmm5=tmp11L - psubd xmm2,xmm1 ; xmm2=tmp12L - movdqa xmm0,xmm7 - paddd xmm7,xmm3 ; xmm7=tmp11H - psubd xmm0,xmm3 ; xmm0=tmp12H - - movdqa XMMWORD [wk(4)], xmm5 ; wk(4)=tmp11L - movdqa XMMWORD [wk(5)], xmm7 ; wk(5)=tmp11H - movdqa XMMWORD [wk(6)], xmm2 ; wk(6)=tmp12L - movdqa XMMWORD [wk(7)], xmm0 ; wk(7)=tmp12H - - ; -- Odd part - - movdqa xmm4, XMMWORD [XMMBLOCK(1,0,rsi,SIZEOF_JCOEF)] - movdqa xmm6, XMMWORD [XMMBLOCK(3,0,rsi,SIZEOF_JCOEF)] - pmullw xmm4, XMMWORD [XMMBLOCK(1,0,rdx,SIZEOF_ISLOW_MULT_TYPE)] - pmullw xmm6, XMMWORD [XMMBLOCK(3,0,rdx,SIZEOF_ISLOW_MULT_TYPE)] - movdqa xmm1, XMMWORD [XMMBLOCK(5,0,rsi,SIZEOF_JCOEF)] - movdqa xmm3, XMMWORD [XMMBLOCK(7,0,rsi,SIZEOF_JCOEF)] - pmullw xmm1, XMMWORD [XMMBLOCK(5,0,rdx,SIZEOF_ISLOW_MULT_TYPE)] - pmullw xmm3, XMMWORD [XMMBLOCK(7,0,rdx,SIZEOF_ISLOW_MULT_TYPE)] - - movdqa xmm5,xmm6 - movdqa xmm7,xmm4 - paddw xmm5,xmm3 ; xmm5=z3 - paddw xmm7,xmm1 ; xmm7=z4 - - ; (Original) - ; z5 = (z3 + z4) * 1.175875602; - ; z3 = z3 * -1.961570560; z4 = z4 * -0.390180644; - ; z3 += z5; z4 += z5; - ; - ; (This implementation) - ; z3 = z3 * (1.175875602 - 1.961570560) + z4 * 1.175875602; - ; z4 = z3 * 1.175875602 + z4 * (1.175875602 - 0.390180644); - - movdqa xmm2,xmm5 - movdqa xmm0,xmm5 - punpcklwd xmm2,xmm7 - punpckhwd xmm0,xmm7 - movdqa xmm5,xmm2 - movdqa xmm7,xmm0 - pmaddwd xmm2,[rel PW_MF078_F117] ; xmm2=z3L - pmaddwd xmm0,[rel PW_MF078_F117] ; xmm0=z3H - pmaddwd xmm5,[rel PW_F117_F078] ; xmm5=z4L - pmaddwd xmm7,[rel PW_F117_F078] ; xmm7=z4H - - movdqa XMMWORD [wk(10)], xmm2 ; wk(10)=z3L - movdqa XMMWORD [wk(11)], xmm0 ; wk(11)=z3H - - ; (Original) - ; z1 = tmp0 + tmp3; z2 = tmp1 + tmp2; - ; tmp0 = tmp0 * 0.298631336; tmp1 = tmp1 * 2.053119869; - ; tmp2 = tmp2 * 3.072711026; tmp3 = tmp3 * 1.501321110; - ; z1 = z1 * -0.899976223; z2 = z2 * -2.562915447; - ; tmp0 += z1 + z3; tmp1 += z2 + z4; - ; tmp2 += z2 + z3; tmp3 += z1 + z4; - ; - ; (This implementation) - ; tmp0 = tmp0 * (0.298631336 - 0.899976223) + tmp3 * -0.899976223; - ; tmp1 = tmp1 * (2.053119869 - 2.562915447) + tmp2 * -2.562915447; - ; tmp2 = tmp1 * -2.562915447 + tmp2 * (3.072711026 - 2.562915447); - ; tmp3 = tmp0 * -0.899976223 + tmp3 * (1.501321110 - 0.899976223); - ; tmp0 += z3; tmp1 += z4; - ; tmp2 += z3; tmp3 += z4; - - movdqa xmm2,xmm3 - movdqa xmm0,xmm3 - punpcklwd xmm2,xmm4 - punpckhwd xmm0,xmm4 - movdqa xmm3,xmm2 - movdqa xmm4,xmm0 - pmaddwd xmm2,[rel PW_MF060_MF089] ; xmm2=tmp0L - pmaddwd xmm0,[rel PW_MF060_MF089] ; xmm0=tmp0H - pmaddwd xmm3,[rel PW_MF089_F060] ; xmm3=tmp3L - pmaddwd xmm4,[rel PW_MF089_F060] ; xmm4=tmp3H - - paddd xmm2, XMMWORD [wk(10)] ; xmm2=tmp0L - paddd xmm0, XMMWORD [wk(11)] ; xmm0=tmp0H - paddd xmm3,xmm5 ; xmm3=tmp3L - paddd xmm4,xmm7 ; xmm4=tmp3H - - movdqa XMMWORD [wk(8)], xmm2 ; wk(8)=tmp0L - movdqa XMMWORD [wk(9)], xmm0 ; wk(9)=tmp0H - - movdqa xmm2,xmm1 - movdqa xmm0,xmm1 - punpcklwd xmm2,xmm6 - punpckhwd xmm0,xmm6 - movdqa xmm1,xmm2 - movdqa xmm6,xmm0 - pmaddwd xmm2,[rel PW_MF050_MF256] ; xmm2=tmp1L - pmaddwd xmm0,[rel PW_MF050_MF256] ; xmm0=tmp1H - pmaddwd xmm1,[rel PW_MF256_F050] ; xmm1=tmp2L - pmaddwd xmm6,[rel PW_MF256_F050] ; xmm6=tmp2H - - paddd xmm2,xmm5 ; xmm2=tmp1L - paddd xmm0,xmm7 ; xmm0=tmp1H - paddd xmm1, XMMWORD [wk(10)] ; xmm1=tmp2L - paddd xmm6, XMMWORD [wk(11)] ; xmm6=tmp2H - - movdqa XMMWORD [wk(10)], xmm2 ; wk(10)=tmp1L - movdqa XMMWORD [wk(11)], xmm0 ; wk(11)=tmp1H - - ; -- Final output stage - - movdqa xmm5, XMMWORD [wk(0)] ; xmm5=tmp10L - movdqa xmm7, XMMWORD [wk(1)] ; xmm7=tmp10H - - movdqa xmm2,xmm5 - movdqa xmm0,xmm7 - paddd xmm5,xmm3 ; xmm5=data0L - paddd xmm7,xmm4 ; xmm7=data0H - psubd xmm2,xmm3 ; xmm2=data7L - psubd xmm0,xmm4 ; xmm0=data7H - - movdqa xmm3,[rel PD_DESCALE_P1] ; xmm3=[rel PD_DESCALE_P1] - - paddd xmm5,xmm3 - paddd xmm7,xmm3 - psrad xmm5,DESCALE_P1 - psrad xmm7,DESCALE_P1 - paddd xmm2,xmm3 - paddd xmm0,xmm3 - psrad xmm2,DESCALE_P1 - psrad xmm0,DESCALE_P1 - - packssdw xmm5,xmm7 ; xmm5=data0=(00 01 02 03 04 05 06 07) - packssdw xmm2,xmm0 ; xmm2=data7=(70 71 72 73 74 75 76 77) - - movdqa xmm4, XMMWORD [wk(4)] ; xmm4=tmp11L - movdqa xmm3, XMMWORD [wk(5)] ; xmm3=tmp11H - - movdqa xmm7,xmm4 - movdqa xmm0,xmm3 - paddd xmm4,xmm1 ; xmm4=data1L - paddd xmm3,xmm6 ; xmm3=data1H - psubd xmm7,xmm1 ; xmm7=data6L - psubd xmm0,xmm6 ; xmm0=data6H - - movdqa xmm1,[rel PD_DESCALE_P1] ; xmm1=[rel PD_DESCALE_P1] - - paddd xmm4,xmm1 - paddd xmm3,xmm1 - psrad xmm4,DESCALE_P1 - psrad xmm3,DESCALE_P1 - paddd xmm7,xmm1 - paddd xmm0,xmm1 - psrad xmm7,DESCALE_P1 - psrad xmm0,DESCALE_P1 - - packssdw xmm4,xmm3 ; xmm4=data1=(10 11 12 13 14 15 16 17) - packssdw xmm7,xmm0 ; xmm7=data6=(60 61 62 63 64 65 66 67) - - movdqa xmm6,xmm5 ; transpose coefficients(phase 1) - punpcklwd xmm5,xmm4 ; xmm5=(00 10 01 11 02 12 03 13) - punpckhwd xmm6,xmm4 ; xmm6=(04 14 05 15 06 16 07 17) - movdqa xmm1,xmm7 ; transpose coefficients(phase 1) - punpcklwd xmm7,xmm2 ; xmm7=(60 70 61 71 62 72 63 73) - punpckhwd xmm1,xmm2 ; xmm1=(64 74 65 75 66 76 67 77) - - movdqa xmm3, XMMWORD [wk(6)] ; xmm3=tmp12L - movdqa xmm0, XMMWORD [wk(7)] ; xmm0=tmp12H - movdqa xmm4, XMMWORD [wk(10)] ; xmm4=tmp1L - movdqa xmm2, XMMWORD [wk(11)] ; xmm2=tmp1H - - movdqa XMMWORD [wk(0)], xmm5 ; wk(0)=(00 10 01 11 02 12 03 13) - movdqa XMMWORD [wk(1)], xmm6 ; wk(1)=(04 14 05 15 06 16 07 17) - movdqa XMMWORD [wk(4)], xmm7 ; wk(4)=(60 70 61 71 62 72 63 73) - movdqa XMMWORD [wk(5)], xmm1 ; wk(5)=(64 74 65 75 66 76 67 77) - - movdqa xmm5,xmm3 - movdqa xmm6,xmm0 - paddd xmm3,xmm4 ; xmm3=data2L - paddd xmm0,xmm2 ; xmm0=data2H - psubd xmm5,xmm4 ; xmm5=data5L - psubd xmm6,xmm2 ; xmm6=data5H - - movdqa xmm7,[rel PD_DESCALE_P1] ; xmm7=[rel PD_DESCALE_P1] - - paddd xmm3,xmm7 - paddd xmm0,xmm7 - psrad xmm3,DESCALE_P1 - psrad xmm0,DESCALE_P1 - paddd xmm5,xmm7 - paddd xmm6,xmm7 - psrad xmm5,DESCALE_P1 - psrad xmm6,DESCALE_P1 - - packssdw xmm3,xmm0 ; xmm3=data2=(20 21 22 23 24 25 26 27) - packssdw xmm5,xmm6 ; xmm5=data5=(50 51 52 53 54 55 56 57) - - movdqa xmm1, XMMWORD [wk(2)] ; xmm1=tmp13L - movdqa xmm4, XMMWORD [wk(3)] ; xmm4=tmp13H - movdqa xmm2, XMMWORD [wk(8)] ; xmm2=tmp0L - movdqa xmm7, XMMWORD [wk(9)] ; xmm7=tmp0H - - movdqa xmm0,xmm1 - movdqa xmm6,xmm4 - paddd xmm1,xmm2 ; xmm1=data3L - paddd xmm4,xmm7 ; xmm4=data3H - psubd xmm0,xmm2 ; xmm0=data4L - psubd xmm6,xmm7 ; xmm6=data4H - - movdqa xmm2,[rel PD_DESCALE_P1] ; xmm2=[rel PD_DESCALE_P1] - - paddd xmm1,xmm2 - paddd xmm4,xmm2 - psrad xmm1,DESCALE_P1 - psrad xmm4,DESCALE_P1 - paddd xmm0,xmm2 - paddd xmm6,xmm2 - psrad xmm0,DESCALE_P1 - psrad xmm6,DESCALE_P1 - - packssdw xmm1,xmm4 ; xmm1=data3=(30 31 32 33 34 35 36 37) - packssdw xmm0,xmm6 ; xmm0=data4=(40 41 42 43 44 45 46 47) - - movdqa xmm7, XMMWORD [wk(0)] ; xmm7=(00 10 01 11 02 12 03 13) - movdqa xmm2, XMMWORD [wk(1)] ; xmm2=(04 14 05 15 06 16 07 17) - - movdqa xmm4,xmm3 ; transpose coefficients(phase 1) - punpcklwd xmm3,xmm1 ; xmm3=(20 30 21 31 22 32 23 33) - punpckhwd xmm4,xmm1 ; xmm4=(24 34 25 35 26 36 27 37) - movdqa xmm6,xmm0 ; transpose coefficients(phase 1) - punpcklwd xmm0,xmm5 ; xmm0=(40 50 41 51 42 52 43 53) - punpckhwd xmm6,xmm5 ; xmm6=(44 54 45 55 46 56 47 57) - - movdqa xmm1,xmm7 ; transpose coefficients(phase 2) - punpckldq xmm7,xmm3 ; xmm7=(00 10 20 30 01 11 21 31) - punpckhdq xmm1,xmm3 ; xmm1=(02 12 22 32 03 13 23 33) - movdqa xmm5,xmm2 ; transpose coefficients(phase 2) - punpckldq xmm2,xmm4 ; xmm2=(04 14 24 34 05 15 25 35) - punpckhdq xmm5,xmm4 ; xmm5=(06 16 26 36 07 17 27 37) - - movdqa xmm3, XMMWORD [wk(4)] ; xmm3=(60 70 61 71 62 72 63 73) - movdqa xmm4, XMMWORD [wk(5)] ; xmm4=(64 74 65 75 66 76 67 77) - - movdqa XMMWORD [wk(6)], xmm2 ; wk(6)=(04 14 24 34 05 15 25 35) - movdqa XMMWORD [wk(7)], xmm5 ; wk(7)=(06 16 26 36 07 17 27 37) - - movdqa xmm2,xmm0 ; transpose coefficients(phase 2) - punpckldq xmm0,xmm3 ; xmm0=(40 50 60 70 41 51 61 71) - punpckhdq xmm2,xmm3 ; xmm2=(42 52 62 72 43 53 63 73) - movdqa xmm5,xmm6 ; transpose coefficients(phase 2) - punpckldq xmm6,xmm4 ; xmm6=(44 54 64 74 45 55 65 75) - punpckhdq xmm5,xmm4 ; xmm5=(46 56 66 76 47 57 67 77) - - movdqa xmm3,xmm7 ; transpose coefficients(phase 3) - punpcklqdq xmm7,xmm0 ; xmm7=col0=(00 10 20 30 40 50 60 70) - punpckhqdq xmm3,xmm0 ; xmm3=col1=(01 11 21 31 41 51 61 71) - movdqa xmm4,xmm1 ; transpose coefficients(phase 3) - punpcklqdq xmm1,xmm2 ; xmm1=col2=(02 12 22 32 42 52 62 72) - punpckhqdq xmm4,xmm2 ; xmm4=col3=(03 13 23 33 43 53 63 73) - - movdqa xmm0, XMMWORD [wk(6)] ; xmm0=(04 14 24 34 05 15 25 35) - movdqa xmm2, XMMWORD [wk(7)] ; xmm2=(06 16 26 36 07 17 27 37) - - movdqa XMMWORD [wk(8)], xmm3 ; wk(8)=col1 - movdqa XMMWORD [wk(9)], xmm4 ; wk(9)=col3 - - movdqa xmm3,xmm0 ; transpose coefficients(phase 3) - punpcklqdq xmm0,xmm6 ; xmm0=col4=(04 14 24 34 44 54 64 74) - punpckhqdq xmm3,xmm6 ; xmm3=col5=(05 15 25 35 45 55 65 75) - movdqa xmm4,xmm2 ; transpose coefficients(phase 3) - punpcklqdq xmm2,xmm5 ; xmm2=col6=(06 16 26 36 46 56 66 76) - punpckhqdq xmm4,xmm5 ; xmm4=col7=(07 17 27 37 47 57 67 77) - - movdqa XMMWORD [wk(10)], xmm3 ; wk(10)=col5 - movdqa XMMWORD [wk(11)], xmm4 ; wk(11)=col7 -.column_end: - - ; -- Prefetch the next coefficient block - - prefetchnta [rsi + DCTSIZE2*SIZEOF_JCOEF + 0*32] - prefetchnta [rsi + DCTSIZE2*SIZEOF_JCOEF + 1*32] - prefetchnta [rsi + DCTSIZE2*SIZEOF_JCOEF + 2*32] - prefetchnta [rsi + DCTSIZE2*SIZEOF_JCOEF + 3*32] - - ; ---- Pass 2: process rows from work array, store into output array. - - mov rax, [original_rbp] - mov rdi, r12 ; (JSAMPROW *) - mov rax, r13 - - ; -- Even part - - ; xmm7=col0, xmm1=col2, xmm0=col4, xmm2=col6 - - ; (Original) - ; z1 = (z2 + z3) * 0.541196100; - ; tmp2 = z1 + z3 * -1.847759065; - ; tmp3 = z1 + z2 * 0.765366865; - ; - ; (This implementation) - ; tmp2 = z2 * 0.541196100 + z3 * (0.541196100 - 1.847759065); - ; tmp3 = z2 * (0.541196100 + 0.765366865) + z3 * 0.541196100; - - movdqa xmm6,xmm1 ; xmm1=in2=z2 - movdqa xmm5,xmm1 - punpcklwd xmm6,xmm2 ; xmm2=in6=z3 - punpckhwd xmm5,xmm2 - movdqa xmm1,xmm6 - movdqa xmm2,xmm5 - pmaddwd xmm6,[rel PW_F130_F054] ; xmm6=tmp3L - pmaddwd xmm5,[rel PW_F130_F054] ; xmm5=tmp3H - pmaddwd xmm1,[rel PW_F054_MF130] ; xmm1=tmp2L - pmaddwd xmm2,[rel PW_F054_MF130] ; xmm2=tmp2H - - movdqa xmm3,xmm7 - paddw xmm7,xmm0 ; xmm7=in0+in4 - psubw xmm3,xmm0 ; xmm3=in0-in4 - - pxor xmm4,xmm4 - pxor xmm0,xmm0 - punpcklwd xmm4,xmm7 ; xmm4=tmp0L - punpckhwd xmm0,xmm7 ; xmm0=tmp0H - psrad xmm4,(16-CONST_BITS) ; psrad xmm4,16 & pslld xmm4,CONST_BITS - psrad xmm0,(16-CONST_BITS) ; psrad xmm0,16 & pslld xmm0,CONST_BITS - - movdqa xmm7,xmm4 - paddd xmm4,xmm6 ; xmm4=tmp10L - psubd xmm7,xmm6 ; xmm7=tmp13L - movdqa xmm6,xmm0 - paddd xmm0,xmm5 ; xmm0=tmp10H - psubd xmm6,xmm5 ; xmm6=tmp13H - - movdqa XMMWORD [wk(0)], xmm4 ; wk(0)=tmp10L - movdqa XMMWORD [wk(1)], xmm0 ; wk(1)=tmp10H - movdqa XMMWORD [wk(2)], xmm7 ; wk(2)=tmp13L - movdqa XMMWORD [wk(3)], xmm6 ; wk(3)=tmp13H - - pxor xmm5,xmm5 - pxor xmm4,xmm4 - punpcklwd xmm5,xmm3 ; xmm5=tmp1L - punpckhwd xmm4,xmm3 ; xmm4=tmp1H - psrad xmm5,(16-CONST_BITS) ; psrad xmm5,16 & pslld xmm5,CONST_BITS - psrad xmm4,(16-CONST_BITS) ; psrad xmm4,16 & pslld xmm4,CONST_BITS - - movdqa xmm0,xmm5 - paddd xmm5,xmm1 ; xmm5=tmp11L - psubd xmm0,xmm1 ; xmm0=tmp12L - movdqa xmm7,xmm4 - paddd xmm4,xmm2 ; xmm4=tmp11H - psubd xmm7,xmm2 ; xmm7=tmp12H - - movdqa XMMWORD [wk(4)], xmm5 ; wk(4)=tmp11L - movdqa XMMWORD [wk(5)], xmm4 ; wk(5)=tmp11H - movdqa XMMWORD [wk(6)], xmm0 ; wk(6)=tmp12L - movdqa XMMWORD [wk(7)], xmm7 ; wk(7)=tmp12H - - ; -- Odd part - - movdqa xmm6, XMMWORD [wk(9)] ; xmm6=col3 - movdqa xmm3, XMMWORD [wk(8)] ; xmm3=col1 - movdqa xmm1, XMMWORD [wk(11)] ; xmm1=col7 - movdqa xmm2, XMMWORD [wk(10)] ; xmm2=col5 - - movdqa xmm5,xmm6 - movdqa xmm4,xmm3 - paddw xmm5,xmm1 ; xmm5=z3 - paddw xmm4,xmm2 ; xmm4=z4 - - ; (Original) - ; z5 = (z3 + z4) * 1.175875602; - ; z3 = z3 * -1.961570560; z4 = z4 * -0.390180644; - ; z3 += z5; z4 += z5; - ; - ; (This implementation) - ; z3 = z3 * (1.175875602 - 1.961570560) + z4 * 1.175875602; - ; z4 = z3 * 1.175875602 + z4 * (1.175875602 - 0.390180644); - - movdqa xmm0,xmm5 - movdqa xmm7,xmm5 - punpcklwd xmm0,xmm4 - punpckhwd xmm7,xmm4 - movdqa xmm5,xmm0 - movdqa xmm4,xmm7 - pmaddwd xmm0,[rel PW_MF078_F117] ; xmm0=z3L - pmaddwd xmm7,[rel PW_MF078_F117] ; xmm7=z3H - pmaddwd xmm5,[rel PW_F117_F078] ; xmm5=z4L - pmaddwd xmm4,[rel PW_F117_F078] ; xmm4=z4H - - movdqa XMMWORD [wk(10)], xmm0 ; wk(10)=z3L - movdqa XMMWORD [wk(11)], xmm7 ; wk(11)=z3H - - ; (Original) - ; z1 = tmp0 + tmp3; z2 = tmp1 + tmp2; - ; tmp0 = tmp0 * 0.298631336; tmp1 = tmp1 * 2.053119869; - ; tmp2 = tmp2 * 3.072711026; tmp3 = tmp3 * 1.501321110; - ; z1 = z1 * -0.899976223; z2 = z2 * -2.562915447; - ; tmp0 += z1 + z3; tmp1 += z2 + z4; - ; tmp2 += z2 + z3; tmp3 += z1 + z4; - ; - ; (This implementation) - ; tmp0 = tmp0 * (0.298631336 - 0.899976223) + tmp3 * -0.899976223; - ; tmp1 = tmp1 * (2.053119869 - 2.562915447) + tmp2 * -2.562915447; - ; tmp2 = tmp1 * -2.562915447 + tmp2 * (3.072711026 - 2.562915447); - ; tmp3 = tmp0 * -0.899976223 + tmp3 * (1.501321110 - 0.899976223); - ; tmp0 += z3; tmp1 += z4; - ; tmp2 += z3; tmp3 += z4; - - movdqa xmm0,xmm1 - movdqa xmm7,xmm1 - punpcklwd xmm0,xmm3 - punpckhwd xmm7,xmm3 - movdqa xmm1,xmm0 - movdqa xmm3,xmm7 - pmaddwd xmm0,[rel PW_MF060_MF089] ; xmm0=tmp0L - pmaddwd xmm7,[rel PW_MF060_MF089] ; xmm7=tmp0H - pmaddwd xmm1,[rel PW_MF089_F060] ; xmm1=tmp3L - pmaddwd xmm3,[rel PW_MF089_F060] ; xmm3=tmp3H - - paddd xmm0, XMMWORD [wk(10)] ; xmm0=tmp0L - paddd xmm7, XMMWORD [wk(11)] ; xmm7=tmp0H - paddd xmm1,xmm5 ; xmm1=tmp3L - paddd xmm3,xmm4 ; xmm3=tmp3H - - movdqa XMMWORD [wk(8)], xmm0 ; wk(8)=tmp0L - movdqa XMMWORD [wk(9)], xmm7 ; wk(9)=tmp0H - - movdqa xmm0,xmm2 - movdqa xmm7,xmm2 - punpcklwd xmm0,xmm6 - punpckhwd xmm7,xmm6 - movdqa xmm2,xmm0 - movdqa xmm6,xmm7 - pmaddwd xmm0,[rel PW_MF050_MF256] ; xmm0=tmp1L - pmaddwd xmm7,[rel PW_MF050_MF256] ; xmm7=tmp1H - pmaddwd xmm2,[rel PW_MF256_F050] ; xmm2=tmp2L - pmaddwd xmm6,[rel PW_MF256_F050] ; xmm6=tmp2H - - paddd xmm0,xmm5 ; xmm0=tmp1L - paddd xmm7,xmm4 ; xmm7=tmp1H - paddd xmm2, XMMWORD [wk(10)] ; xmm2=tmp2L - paddd xmm6, XMMWORD [wk(11)] ; xmm6=tmp2H - - movdqa XMMWORD [wk(10)], xmm0 ; wk(10)=tmp1L - movdqa XMMWORD [wk(11)], xmm7 ; wk(11)=tmp1H - - ; -- Final output stage - - movdqa xmm5, XMMWORD [wk(0)] ; xmm5=tmp10L - movdqa xmm4, XMMWORD [wk(1)] ; xmm4=tmp10H - - movdqa xmm0,xmm5 - movdqa xmm7,xmm4 - paddd xmm5,xmm1 ; xmm5=data0L - paddd xmm4,xmm3 ; xmm4=data0H - psubd xmm0,xmm1 ; xmm0=data7L - psubd xmm7,xmm3 ; xmm7=data7H - - movdqa xmm1,[rel PD_DESCALE_P2] ; xmm1=[rel PD_DESCALE_P2] - - paddd xmm5,xmm1 - paddd xmm4,xmm1 - psrad xmm5,DESCALE_P2 - psrad xmm4,DESCALE_P2 - paddd xmm0,xmm1 - paddd xmm7,xmm1 - psrad xmm0,DESCALE_P2 - psrad xmm7,DESCALE_P2 - - packssdw xmm5,xmm4 ; xmm5=data0=(00 10 20 30 40 50 60 70) - packssdw xmm0,xmm7 ; xmm0=data7=(07 17 27 37 47 57 67 77) - - movdqa xmm3, XMMWORD [wk(4)] ; xmm3=tmp11L - movdqa xmm1, XMMWORD [wk(5)] ; xmm1=tmp11H - - movdqa xmm4,xmm3 - movdqa xmm7,xmm1 - paddd xmm3,xmm2 ; xmm3=data1L - paddd xmm1,xmm6 ; xmm1=data1H - psubd xmm4,xmm2 ; xmm4=data6L - psubd xmm7,xmm6 ; xmm7=data6H - - movdqa xmm2,[rel PD_DESCALE_P2] ; xmm2=[rel PD_DESCALE_P2] - - paddd xmm3,xmm2 - paddd xmm1,xmm2 - psrad xmm3,DESCALE_P2 - psrad xmm1,DESCALE_P2 - paddd xmm4,xmm2 - paddd xmm7,xmm2 - psrad xmm4,DESCALE_P2 - psrad xmm7,DESCALE_P2 - - packssdw xmm3,xmm1 ; xmm3=data1=(01 11 21 31 41 51 61 71) - packssdw xmm4,xmm7 ; xmm4=data6=(06 16 26 36 46 56 66 76) - - packsswb xmm5,xmm4 ; xmm5=(00 10 20 30 40 50 60 70 06 16 26 36 46 56 66 76) - packsswb xmm3,xmm0 ; xmm3=(01 11 21 31 41 51 61 71 07 17 27 37 47 57 67 77) - - movdqa xmm6, XMMWORD [wk(6)] ; xmm6=tmp12L - movdqa xmm2, XMMWORD [wk(7)] ; xmm2=tmp12H - movdqa xmm1, XMMWORD [wk(10)] ; xmm1=tmp1L - movdqa xmm7, XMMWORD [wk(11)] ; xmm7=tmp1H - - movdqa XMMWORD [wk(0)], xmm5 ; wk(0)=(00 10 20 30 40 50 60 70 06 16 26 36 46 56 66 76) - movdqa XMMWORD [wk(1)], xmm3 ; wk(1)=(01 11 21 31 41 51 61 71 07 17 27 37 47 57 67 77) - - movdqa xmm4,xmm6 - movdqa xmm0,xmm2 - paddd xmm6,xmm1 ; xmm6=data2L - paddd xmm2,xmm7 ; xmm2=data2H - psubd xmm4,xmm1 ; xmm4=data5L - psubd xmm0,xmm7 ; xmm0=data5H - - movdqa xmm5,[rel PD_DESCALE_P2] ; xmm5=[rel PD_DESCALE_P2] - - paddd xmm6,xmm5 - paddd xmm2,xmm5 - psrad xmm6,DESCALE_P2 - psrad xmm2,DESCALE_P2 - paddd xmm4,xmm5 - paddd xmm0,xmm5 - psrad xmm4,DESCALE_P2 - psrad xmm0,DESCALE_P2 - - packssdw xmm6,xmm2 ; xmm6=data2=(02 12 22 32 42 52 62 72) - packssdw xmm4,xmm0 ; xmm4=data5=(05 15 25 35 45 55 65 75) - - movdqa xmm3, XMMWORD [wk(2)] ; xmm3=tmp13L - movdqa xmm1, XMMWORD [wk(3)] ; xmm1=tmp13H - movdqa xmm7, XMMWORD [wk(8)] ; xmm7=tmp0L - movdqa xmm5, XMMWORD [wk(9)] ; xmm5=tmp0H - - movdqa xmm2,xmm3 - movdqa xmm0,xmm1 - paddd xmm3,xmm7 ; xmm3=data3L - paddd xmm1,xmm5 ; xmm1=data3H - psubd xmm2,xmm7 ; xmm2=data4L - psubd xmm0,xmm5 ; xmm0=data4H - - movdqa xmm7,[rel PD_DESCALE_P2] ; xmm7=[rel PD_DESCALE_P2] - - paddd xmm3,xmm7 - paddd xmm1,xmm7 - psrad xmm3,DESCALE_P2 - psrad xmm1,DESCALE_P2 - paddd xmm2,xmm7 - paddd xmm0,xmm7 - psrad xmm2,DESCALE_P2 - psrad xmm0,DESCALE_P2 - - movdqa xmm5,[rel PB_CENTERJSAMP] ; xmm5=[rel PB_CENTERJSAMP] - - packssdw xmm3,xmm1 ; xmm3=data3=(03 13 23 33 43 53 63 73) - packssdw xmm2,xmm0 ; xmm2=data4=(04 14 24 34 44 54 64 74) - - movdqa xmm7, XMMWORD [wk(0)] ; xmm7=(00 10 20 30 40 50 60 70 06 16 26 36 46 56 66 76) - movdqa xmm1, XMMWORD [wk(1)] ; xmm1=(01 11 21 31 41 51 61 71 07 17 27 37 47 57 67 77) - - packsswb xmm6,xmm2 ; xmm6=(02 12 22 32 42 52 62 72 04 14 24 34 44 54 64 74) - packsswb xmm3,xmm4 ; xmm3=(03 13 23 33 43 53 63 73 05 15 25 35 45 55 65 75) - - paddb xmm7,xmm5 - paddb xmm1,xmm5 - paddb xmm6,xmm5 - paddb xmm3,xmm5 - - movdqa xmm0,xmm7 ; transpose coefficients(phase 1) - punpcklbw xmm7,xmm1 ; xmm7=(00 01 10 11 20 21 30 31 40 41 50 51 60 61 70 71) - punpckhbw xmm0,xmm1 ; xmm0=(06 07 16 17 26 27 36 37 46 47 56 57 66 67 76 77) - movdqa xmm2,xmm6 ; transpose coefficients(phase 1) - punpcklbw xmm6,xmm3 ; xmm6=(02 03 12 13 22 23 32 33 42 43 52 53 62 63 72 73) - punpckhbw xmm2,xmm3 ; xmm2=(04 05 14 15 24 25 34 35 44 45 54 55 64 65 74 75) - - movdqa xmm4,xmm7 ; transpose coefficients(phase 2) - punpcklwd xmm7,xmm6 ; xmm7=(00 01 02 03 10 11 12 13 20 21 22 23 30 31 32 33) - punpckhwd xmm4,xmm6 ; xmm4=(40 41 42 43 50 51 52 53 60 61 62 63 70 71 72 73) - movdqa xmm5,xmm2 ; transpose coefficients(phase 2) - punpcklwd xmm2,xmm0 ; xmm2=(04 05 06 07 14 15 16 17 24 25 26 27 34 35 36 37) - punpckhwd xmm5,xmm0 ; xmm5=(44 45 46 47 54 55 56 57 64 65 66 67 74 75 76 77) - - movdqa xmm1,xmm7 ; transpose coefficients(phase 3) - punpckldq xmm7,xmm2 ; xmm7=(00 01 02 03 04 05 06 07 10 11 12 13 14 15 16 17) - punpckhdq xmm1,xmm2 ; xmm1=(20 21 22 23 24 25 26 27 30 31 32 33 34 35 36 37) - movdqa xmm3,xmm4 ; transpose coefficients(phase 3) - punpckldq xmm4,xmm5 ; xmm4=(40 41 42 43 44 45 46 47 50 51 52 53 54 55 56 57) - punpckhdq xmm3,xmm5 ; xmm3=(60 61 62 63 64 65 66 67 70 71 72 73 74 75 76 77) - - pshufd xmm6,xmm7,0x4E ; xmm6=(10 11 12 13 14 15 16 17 00 01 02 03 04 05 06 07) - pshufd xmm0,xmm1,0x4E ; xmm0=(30 31 32 33 34 35 36 37 20 21 22 23 24 25 26 27) - pshufd xmm2,xmm4,0x4E ; xmm2=(50 51 52 53 54 55 56 57 40 41 42 43 44 45 46 47) - pshufd xmm5,xmm3,0x4E ; xmm5=(70 71 72 73 74 75 76 77 60 61 62 63 64 65 66 67) - - mov rdx, JSAMPROW [rdi+0*SIZEOF_JSAMPROW] - mov rsi, JSAMPROW [rdi+2*SIZEOF_JSAMPROW] - movq XMM_MMWORD [rdx+rax*SIZEOF_JSAMPLE], xmm7 - movq XMM_MMWORD [rsi+rax*SIZEOF_JSAMPLE], xmm1 - mov rdx, JSAMPROW [rdi+4*SIZEOF_JSAMPROW] - mov rsi, JSAMPROW [rdi+6*SIZEOF_JSAMPROW] - movq XMM_MMWORD [rdx+rax*SIZEOF_JSAMPLE], xmm4 - movq XMM_MMWORD [rsi+rax*SIZEOF_JSAMPLE], xmm3 - - mov rdx, JSAMPROW [rdi+1*SIZEOF_JSAMPROW] - mov rsi, JSAMPROW [rdi+3*SIZEOF_JSAMPROW] - movq XMM_MMWORD [rdx+rax*SIZEOF_JSAMPLE], xmm6 - movq XMM_MMWORD [rsi+rax*SIZEOF_JSAMPLE], xmm0 - mov rdx, JSAMPROW [rdi+5*SIZEOF_JSAMPROW] - mov rsi, JSAMPROW [rdi+7*SIZEOF_JSAMPROW] - movq XMM_MMWORD [rdx+rax*SIZEOF_JSAMPLE], xmm2 - movq XMM_MMWORD [rsi+rax*SIZEOF_JSAMPLE], xmm5 - - uncollect_args - mov rsp,rbp ; rsp <- aligned rbp - pop rsp ; rsp <- original rbp - pop rbp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jiss2int.asm b/common/jpeg/simd/jiss2int.asm deleted file mode 100644 index adf39fb3..00000000 --- a/common/jpeg/simd/jiss2int.asm +++ /dev/null @@ -1,859 +0,0 @@ -; -; jiss2int.asm - accurate integer IDCT (SSE2) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; This file contains a slow-but-accurate integer implementation of the -; inverse DCT (Discrete Cosine Transform). The following code is based -; directly on the IJG's original jidctint.c; see the jidctint.c for -; more details. -; -; [TAB8] - -%include "jsimdext.inc" -%include "jdct.inc" - -; -------------------------------------------------------------------------- - -%define CONST_BITS 13 -%define PASS1_BITS 2 - -%define DESCALE_P1 (CONST_BITS-PASS1_BITS) -%define DESCALE_P2 (CONST_BITS+PASS1_BITS+3) - -%if CONST_BITS == 13 -F_0_298 equ 2446 ; FIX(0.298631336) -F_0_390 equ 3196 ; FIX(0.390180644) -F_0_541 equ 4433 ; FIX(0.541196100) -F_0_765 equ 6270 ; FIX(0.765366865) -F_0_899 equ 7373 ; FIX(0.899976223) -F_1_175 equ 9633 ; FIX(1.175875602) -F_1_501 equ 12299 ; FIX(1.501321110) -F_1_847 equ 15137 ; FIX(1.847759065) -F_1_961 equ 16069 ; FIX(1.961570560) -F_2_053 equ 16819 ; FIX(2.053119869) -F_2_562 equ 20995 ; FIX(2.562915447) -F_3_072 equ 25172 ; FIX(3.072711026) -%else -; NASM cannot do compile-time arithmetic on floating-point constants. -%define DESCALE(x,n) (((x)+(1<<((n)-1)))>>(n)) -F_0_298 equ DESCALE( 320652955,30-CONST_BITS) ; FIX(0.298631336) -F_0_390 equ DESCALE( 418953276,30-CONST_BITS) ; FIX(0.390180644) -F_0_541 equ DESCALE( 581104887,30-CONST_BITS) ; FIX(0.541196100) -F_0_765 equ DESCALE( 821806413,30-CONST_BITS) ; FIX(0.765366865) -F_0_899 equ DESCALE( 966342111,30-CONST_BITS) ; FIX(0.899976223) -F_1_175 equ DESCALE(1262586813,30-CONST_BITS) ; FIX(1.175875602) -F_1_501 equ DESCALE(1612031267,30-CONST_BITS) ; FIX(1.501321110) -F_1_847 equ DESCALE(1984016188,30-CONST_BITS) ; FIX(1.847759065) -F_1_961 equ DESCALE(2106220350,30-CONST_BITS) ; FIX(1.961570560) -F_2_053 equ DESCALE(2204520673,30-CONST_BITS) ; FIX(2.053119869) -F_2_562 equ DESCALE(2751909506,30-CONST_BITS) ; FIX(2.562915447) -F_3_072 equ DESCALE(3299298341,30-CONST_BITS) ; FIX(3.072711026) -%endif - -; -------------------------------------------------------------------------- - SECTION SEG_CONST - - alignz 16 - global EXTN(jconst_idct_islow_sse2) - -EXTN(jconst_idct_islow_sse2): - -PW_F130_F054 times 4 dw (F_0_541+F_0_765), F_0_541 -PW_F054_MF130 times 4 dw F_0_541, (F_0_541-F_1_847) -PW_MF078_F117 times 4 dw (F_1_175-F_1_961), F_1_175 -PW_F117_F078 times 4 dw F_1_175, (F_1_175-F_0_390) -PW_MF060_MF089 times 4 dw (F_0_298-F_0_899),-F_0_899 -PW_MF089_F060 times 4 dw -F_0_899, (F_1_501-F_0_899) -PW_MF050_MF256 times 4 dw (F_2_053-F_2_562),-F_2_562 -PW_MF256_F050 times 4 dw -F_2_562, (F_3_072-F_2_562) -PD_DESCALE_P1 times 4 dd 1 << (DESCALE_P1-1) -PD_DESCALE_P2 times 4 dd 1 << (DESCALE_P2-1) -PB_CENTERJSAMP times 16 db CENTERJSAMPLE - - alignz 16 - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 32 -; -; Perform dequantization and inverse DCT on one block of coefficients. -; -; GLOBAL(void) -; jsimd_idct_islow_sse2 (void * dct_table, JCOEFPTR coef_block, -; JSAMPARRAY output_buf, JDIMENSION output_col) -; - -%define dct_table(b) (b)+8 ; jpeg_component_info * compptr -%define coef_block(b) (b)+12 ; JCOEFPTR coef_block -%define output_buf(b) (b)+16 ; JSAMPARRAY output_buf -%define output_col(b) (b)+20 ; JDIMENSION output_col - -%define original_ebp ebp+0 -%define wk(i) ebp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM] -%define WK_NUM 12 - - align 16 - global EXTN(jsimd_idct_islow_sse2) - -EXTN(jsimd_idct_islow_sse2): - push ebp - mov eax,esp ; eax = original ebp - sub esp, byte 4 - and esp, byte (-SIZEOF_XMMWORD) ; align to 128 bits - mov [esp],eax - mov ebp,esp ; ebp = aligned ebp - lea esp, [wk(0)] - pushpic ebx -; push ecx ; unused -; push edx ; need not be preserved - push esi - push edi - - get_GOT ebx ; get GOT address - - ; ---- Pass 1: process columns from input. - -; mov eax, [original_ebp] - mov edx, POINTER [dct_table(eax)] ; quantptr - mov esi, JCOEFPTR [coef_block(eax)] ; inptr - -%ifndef NO_ZERO_COLUMN_TEST_ISLOW_SSE2 - mov eax, DWORD [DWBLOCK(1,0,esi,SIZEOF_JCOEF)] - or eax, DWORD [DWBLOCK(2,0,esi,SIZEOF_JCOEF)] - jnz near .columnDCT - - movdqa xmm0, XMMWORD [XMMBLOCK(1,0,esi,SIZEOF_JCOEF)] - movdqa xmm1, XMMWORD [XMMBLOCK(2,0,esi,SIZEOF_JCOEF)] - por xmm0, XMMWORD [XMMBLOCK(3,0,esi,SIZEOF_JCOEF)] - por xmm1, XMMWORD [XMMBLOCK(4,0,esi,SIZEOF_JCOEF)] - por xmm0, XMMWORD [XMMBLOCK(5,0,esi,SIZEOF_JCOEF)] - por xmm1, XMMWORD [XMMBLOCK(6,0,esi,SIZEOF_JCOEF)] - por xmm0, XMMWORD [XMMBLOCK(7,0,esi,SIZEOF_JCOEF)] - por xmm1,xmm0 - packsswb xmm1,xmm1 - packsswb xmm1,xmm1 - movd eax,xmm1 - test eax,eax - jnz short .columnDCT - - ; -- AC terms all zero - - movdqa xmm5, XMMWORD [XMMBLOCK(0,0,esi,SIZEOF_JCOEF)] - pmullw xmm5, XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - - psllw xmm5,PASS1_BITS - - movdqa xmm4,xmm5 ; xmm5=in0=(00 01 02 03 04 05 06 07) - punpcklwd xmm5,xmm5 ; xmm5=(00 00 01 01 02 02 03 03) - punpckhwd xmm4,xmm4 ; xmm4=(04 04 05 05 06 06 07 07) - - pshufd xmm7,xmm5,0x00 ; xmm7=col0=(00 00 00 00 00 00 00 00) - pshufd xmm6,xmm5,0x55 ; xmm6=col1=(01 01 01 01 01 01 01 01) - pshufd xmm1,xmm5,0xAA ; xmm1=col2=(02 02 02 02 02 02 02 02) - pshufd xmm5,xmm5,0xFF ; xmm5=col3=(03 03 03 03 03 03 03 03) - pshufd xmm0,xmm4,0x00 ; xmm0=col4=(04 04 04 04 04 04 04 04) - pshufd xmm3,xmm4,0x55 ; xmm3=col5=(05 05 05 05 05 05 05 05) - pshufd xmm2,xmm4,0xAA ; xmm2=col6=(06 06 06 06 06 06 06 06) - pshufd xmm4,xmm4,0xFF ; xmm4=col7=(07 07 07 07 07 07 07 07) - - movdqa XMMWORD [wk(8)], xmm6 ; wk(8)=col1 - movdqa XMMWORD [wk(9)], xmm5 ; wk(9)=col3 - movdqa XMMWORD [wk(10)], xmm3 ; wk(10)=col5 - movdqa XMMWORD [wk(11)], xmm4 ; wk(11)=col7 - jmp near .column_end - alignx 16,7 -%endif -.columnDCT: - - ; -- Even part - - movdqa xmm0, XMMWORD [XMMBLOCK(0,0,esi,SIZEOF_JCOEF)] - movdqa xmm1, XMMWORD [XMMBLOCK(2,0,esi,SIZEOF_JCOEF)] - pmullw xmm0, XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - pmullw xmm1, XMMWORD [XMMBLOCK(2,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - movdqa xmm2, XMMWORD [XMMBLOCK(4,0,esi,SIZEOF_JCOEF)] - movdqa xmm3, XMMWORD [XMMBLOCK(6,0,esi,SIZEOF_JCOEF)] - pmullw xmm2, XMMWORD [XMMBLOCK(4,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - pmullw xmm3, XMMWORD [XMMBLOCK(6,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - - ; (Original) - ; z1 = (z2 + z3) * 0.541196100; - ; tmp2 = z1 + z3 * -1.847759065; - ; tmp3 = z1 + z2 * 0.765366865; - ; - ; (This implementation) - ; tmp2 = z2 * 0.541196100 + z3 * (0.541196100 - 1.847759065); - ; tmp3 = z2 * (0.541196100 + 0.765366865) + z3 * 0.541196100; - - movdqa xmm4,xmm1 ; xmm1=in2=z2 - movdqa xmm5,xmm1 - punpcklwd xmm4,xmm3 ; xmm3=in6=z3 - punpckhwd xmm5,xmm3 - movdqa xmm1,xmm4 - movdqa xmm3,xmm5 - pmaddwd xmm4,[GOTOFF(ebx,PW_F130_F054)] ; xmm4=tmp3L - pmaddwd xmm5,[GOTOFF(ebx,PW_F130_F054)] ; xmm5=tmp3H - pmaddwd xmm1,[GOTOFF(ebx,PW_F054_MF130)] ; xmm1=tmp2L - pmaddwd xmm3,[GOTOFF(ebx,PW_F054_MF130)] ; xmm3=tmp2H - - movdqa xmm6,xmm0 - paddw xmm0,xmm2 ; xmm0=in0+in4 - psubw xmm6,xmm2 ; xmm6=in0-in4 - - pxor xmm7,xmm7 - pxor xmm2,xmm2 - punpcklwd xmm7,xmm0 ; xmm7=tmp0L - punpckhwd xmm2,xmm0 ; xmm2=tmp0H - psrad xmm7,(16-CONST_BITS) ; psrad xmm7,16 & pslld xmm7,CONST_BITS - psrad xmm2,(16-CONST_BITS) ; psrad xmm2,16 & pslld xmm2,CONST_BITS - - movdqa xmm0,xmm7 - paddd xmm7,xmm4 ; xmm7=tmp10L - psubd xmm0,xmm4 ; xmm0=tmp13L - movdqa xmm4,xmm2 - paddd xmm2,xmm5 ; xmm2=tmp10H - psubd xmm4,xmm5 ; xmm4=tmp13H - - movdqa XMMWORD [wk(0)], xmm7 ; wk(0)=tmp10L - movdqa XMMWORD [wk(1)], xmm2 ; wk(1)=tmp10H - movdqa XMMWORD [wk(2)], xmm0 ; wk(2)=tmp13L - movdqa XMMWORD [wk(3)], xmm4 ; wk(3)=tmp13H - - pxor xmm5,xmm5 - pxor xmm7,xmm7 - punpcklwd xmm5,xmm6 ; xmm5=tmp1L - punpckhwd xmm7,xmm6 ; xmm7=tmp1H - psrad xmm5,(16-CONST_BITS) ; psrad xmm5,16 & pslld xmm5,CONST_BITS - psrad xmm7,(16-CONST_BITS) ; psrad xmm7,16 & pslld xmm7,CONST_BITS - - movdqa xmm2,xmm5 - paddd xmm5,xmm1 ; xmm5=tmp11L - psubd xmm2,xmm1 ; xmm2=tmp12L - movdqa xmm0,xmm7 - paddd xmm7,xmm3 ; xmm7=tmp11H - psubd xmm0,xmm3 ; xmm0=tmp12H - - movdqa XMMWORD [wk(4)], xmm5 ; wk(4)=tmp11L - movdqa XMMWORD [wk(5)], xmm7 ; wk(5)=tmp11H - movdqa XMMWORD [wk(6)], xmm2 ; wk(6)=tmp12L - movdqa XMMWORD [wk(7)], xmm0 ; wk(7)=tmp12H - - ; -- Odd part - - movdqa xmm4, XMMWORD [XMMBLOCK(1,0,esi,SIZEOF_JCOEF)] - movdqa xmm6, XMMWORD [XMMBLOCK(3,0,esi,SIZEOF_JCOEF)] - pmullw xmm4, XMMWORD [XMMBLOCK(1,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - pmullw xmm6, XMMWORD [XMMBLOCK(3,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - movdqa xmm1, XMMWORD [XMMBLOCK(5,0,esi,SIZEOF_JCOEF)] - movdqa xmm3, XMMWORD [XMMBLOCK(7,0,esi,SIZEOF_JCOEF)] - pmullw xmm1, XMMWORD [XMMBLOCK(5,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - pmullw xmm3, XMMWORD [XMMBLOCK(7,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - - movdqa xmm5,xmm6 - movdqa xmm7,xmm4 - paddw xmm5,xmm3 ; xmm5=z3 - paddw xmm7,xmm1 ; xmm7=z4 - - ; (Original) - ; z5 = (z3 + z4) * 1.175875602; - ; z3 = z3 * -1.961570560; z4 = z4 * -0.390180644; - ; z3 += z5; z4 += z5; - ; - ; (This implementation) - ; z3 = z3 * (1.175875602 - 1.961570560) + z4 * 1.175875602; - ; z4 = z3 * 1.175875602 + z4 * (1.175875602 - 0.390180644); - - movdqa xmm2,xmm5 - movdqa xmm0,xmm5 - punpcklwd xmm2,xmm7 - punpckhwd xmm0,xmm7 - movdqa xmm5,xmm2 - movdqa xmm7,xmm0 - pmaddwd xmm2,[GOTOFF(ebx,PW_MF078_F117)] ; xmm2=z3L - pmaddwd xmm0,[GOTOFF(ebx,PW_MF078_F117)] ; xmm0=z3H - pmaddwd xmm5,[GOTOFF(ebx,PW_F117_F078)] ; xmm5=z4L - pmaddwd xmm7,[GOTOFF(ebx,PW_F117_F078)] ; xmm7=z4H - - movdqa XMMWORD [wk(10)], xmm2 ; wk(10)=z3L - movdqa XMMWORD [wk(11)], xmm0 ; wk(11)=z3H - - ; (Original) - ; z1 = tmp0 + tmp3; z2 = tmp1 + tmp2; - ; tmp0 = tmp0 * 0.298631336; tmp1 = tmp1 * 2.053119869; - ; tmp2 = tmp2 * 3.072711026; tmp3 = tmp3 * 1.501321110; - ; z1 = z1 * -0.899976223; z2 = z2 * -2.562915447; - ; tmp0 += z1 + z3; tmp1 += z2 + z4; - ; tmp2 += z2 + z3; tmp3 += z1 + z4; - ; - ; (This implementation) - ; tmp0 = tmp0 * (0.298631336 - 0.899976223) + tmp3 * -0.899976223; - ; tmp1 = tmp1 * (2.053119869 - 2.562915447) + tmp2 * -2.562915447; - ; tmp2 = tmp1 * -2.562915447 + tmp2 * (3.072711026 - 2.562915447); - ; tmp3 = tmp0 * -0.899976223 + tmp3 * (1.501321110 - 0.899976223); - ; tmp0 += z3; tmp1 += z4; - ; tmp2 += z3; tmp3 += z4; - - movdqa xmm2,xmm3 - movdqa xmm0,xmm3 - punpcklwd xmm2,xmm4 - punpckhwd xmm0,xmm4 - movdqa xmm3,xmm2 - movdqa xmm4,xmm0 - pmaddwd xmm2,[GOTOFF(ebx,PW_MF060_MF089)] ; xmm2=tmp0L - pmaddwd xmm0,[GOTOFF(ebx,PW_MF060_MF089)] ; xmm0=tmp0H - pmaddwd xmm3,[GOTOFF(ebx,PW_MF089_F060)] ; xmm3=tmp3L - pmaddwd xmm4,[GOTOFF(ebx,PW_MF089_F060)] ; xmm4=tmp3H - - paddd xmm2, XMMWORD [wk(10)] ; xmm2=tmp0L - paddd xmm0, XMMWORD [wk(11)] ; xmm0=tmp0H - paddd xmm3,xmm5 ; xmm3=tmp3L - paddd xmm4,xmm7 ; xmm4=tmp3H - - movdqa XMMWORD [wk(8)], xmm2 ; wk(8)=tmp0L - movdqa XMMWORD [wk(9)], xmm0 ; wk(9)=tmp0H - - movdqa xmm2,xmm1 - movdqa xmm0,xmm1 - punpcklwd xmm2,xmm6 - punpckhwd xmm0,xmm6 - movdqa xmm1,xmm2 - movdqa xmm6,xmm0 - pmaddwd xmm2,[GOTOFF(ebx,PW_MF050_MF256)] ; xmm2=tmp1L - pmaddwd xmm0,[GOTOFF(ebx,PW_MF050_MF256)] ; xmm0=tmp1H - pmaddwd xmm1,[GOTOFF(ebx,PW_MF256_F050)] ; xmm1=tmp2L - pmaddwd xmm6,[GOTOFF(ebx,PW_MF256_F050)] ; xmm6=tmp2H - - paddd xmm2,xmm5 ; xmm2=tmp1L - paddd xmm0,xmm7 ; xmm0=tmp1H - paddd xmm1, XMMWORD [wk(10)] ; xmm1=tmp2L - paddd xmm6, XMMWORD [wk(11)] ; xmm6=tmp2H - - movdqa XMMWORD [wk(10)], xmm2 ; wk(10)=tmp1L - movdqa XMMWORD [wk(11)], xmm0 ; wk(11)=tmp1H - - ; -- Final output stage - - movdqa xmm5, XMMWORD [wk(0)] ; xmm5=tmp10L - movdqa xmm7, XMMWORD [wk(1)] ; xmm7=tmp10H - - movdqa xmm2,xmm5 - movdqa xmm0,xmm7 - paddd xmm5,xmm3 ; xmm5=data0L - paddd xmm7,xmm4 ; xmm7=data0H - psubd xmm2,xmm3 ; xmm2=data7L - psubd xmm0,xmm4 ; xmm0=data7H - - movdqa xmm3,[GOTOFF(ebx,PD_DESCALE_P1)] ; xmm3=[PD_DESCALE_P1] - - paddd xmm5,xmm3 - paddd xmm7,xmm3 - psrad xmm5,DESCALE_P1 - psrad xmm7,DESCALE_P1 - paddd xmm2,xmm3 - paddd xmm0,xmm3 - psrad xmm2,DESCALE_P1 - psrad xmm0,DESCALE_P1 - - packssdw xmm5,xmm7 ; xmm5=data0=(00 01 02 03 04 05 06 07) - packssdw xmm2,xmm0 ; xmm2=data7=(70 71 72 73 74 75 76 77) - - movdqa xmm4, XMMWORD [wk(4)] ; xmm4=tmp11L - movdqa xmm3, XMMWORD [wk(5)] ; xmm3=tmp11H - - movdqa xmm7,xmm4 - movdqa xmm0,xmm3 - paddd xmm4,xmm1 ; xmm4=data1L - paddd xmm3,xmm6 ; xmm3=data1H - psubd xmm7,xmm1 ; xmm7=data6L - psubd xmm0,xmm6 ; xmm0=data6H - - movdqa xmm1,[GOTOFF(ebx,PD_DESCALE_P1)] ; xmm1=[PD_DESCALE_P1] - - paddd xmm4,xmm1 - paddd xmm3,xmm1 - psrad xmm4,DESCALE_P1 - psrad xmm3,DESCALE_P1 - paddd xmm7,xmm1 - paddd xmm0,xmm1 - psrad xmm7,DESCALE_P1 - psrad xmm0,DESCALE_P1 - - packssdw xmm4,xmm3 ; xmm4=data1=(10 11 12 13 14 15 16 17) - packssdw xmm7,xmm0 ; xmm7=data6=(60 61 62 63 64 65 66 67) - - movdqa xmm6,xmm5 ; transpose coefficients(phase 1) - punpcklwd xmm5,xmm4 ; xmm5=(00 10 01 11 02 12 03 13) - punpckhwd xmm6,xmm4 ; xmm6=(04 14 05 15 06 16 07 17) - movdqa xmm1,xmm7 ; transpose coefficients(phase 1) - punpcklwd xmm7,xmm2 ; xmm7=(60 70 61 71 62 72 63 73) - punpckhwd xmm1,xmm2 ; xmm1=(64 74 65 75 66 76 67 77) - - movdqa xmm3, XMMWORD [wk(6)] ; xmm3=tmp12L - movdqa xmm0, XMMWORD [wk(7)] ; xmm0=tmp12H - movdqa xmm4, XMMWORD [wk(10)] ; xmm4=tmp1L - movdqa xmm2, XMMWORD [wk(11)] ; xmm2=tmp1H - - movdqa XMMWORD [wk(0)], xmm5 ; wk(0)=(00 10 01 11 02 12 03 13) - movdqa XMMWORD [wk(1)], xmm6 ; wk(1)=(04 14 05 15 06 16 07 17) - movdqa XMMWORD [wk(4)], xmm7 ; wk(4)=(60 70 61 71 62 72 63 73) - movdqa XMMWORD [wk(5)], xmm1 ; wk(5)=(64 74 65 75 66 76 67 77) - - movdqa xmm5,xmm3 - movdqa xmm6,xmm0 - paddd xmm3,xmm4 ; xmm3=data2L - paddd xmm0,xmm2 ; xmm0=data2H - psubd xmm5,xmm4 ; xmm5=data5L - psubd xmm6,xmm2 ; xmm6=data5H - - movdqa xmm7,[GOTOFF(ebx,PD_DESCALE_P1)] ; xmm7=[PD_DESCALE_P1] - - paddd xmm3,xmm7 - paddd xmm0,xmm7 - psrad xmm3,DESCALE_P1 - psrad xmm0,DESCALE_P1 - paddd xmm5,xmm7 - paddd xmm6,xmm7 - psrad xmm5,DESCALE_P1 - psrad xmm6,DESCALE_P1 - - packssdw xmm3,xmm0 ; xmm3=data2=(20 21 22 23 24 25 26 27) - packssdw xmm5,xmm6 ; xmm5=data5=(50 51 52 53 54 55 56 57) - - movdqa xmm1, XMMWORD [wk(2)] ; xmm1=tmp13L - movdqa xmm4, XMMWORD [wk(3)] ; xmm4=tmp13H - movdqa xmm2, XMMWORD [wk(8)] ; xmm2=tmp0L - movdqa xmm7, XMMWORD [wk(9)] ; xmm7=tmp0H - - movdqa xmm0,xmm1 - movdqa xmm6,xmm4 - paddd xmm1,xmm2 ; xmm1=data3L - paddd xmm4,xmm7 ; xmm4=data3H - psubd xmm0,xmm2 ; xmm0=data4L - psubd xmm6,xmm7 ; xmm6=data4H - - movdqa xmm2,[GOTOFF(ebx,PD_DESCALE_P1)] ; xmm2=[PD_DESCALE_P1] - - paddd xmm1,xmm2 - paddd xmm4,xmm2 - psrad xmm1,DESCALE_P1 - psrad xmm4,DESCALE_P1 - paddd xmm0,xmm2 - paddd xmm6,xmm2 - psrad xmm0,DESCALE_P1 - psrad xmm6,DESCALE_P1 - - packssdw xmm1,xmm4 ; xmm1=data3=(30 31 32 33 34 35 36 37) - packssdw xmm0,xmm6 ; xmm0=data4=(40 41 42 43 44 45 46 47) - - movdqa xmm7, XMMWORD [wk(0)] ; xmm7=(00 10 01 11 02 12 03 13) - movdqa xmm2, XMMWORD [wk(1)] ; xmm2=(04 14 05 15 06 16 07 17) - - movdqa xmm4,xmm3 ; transpose coefficients(phase 1) - punpcklwd xmm3,xmm1 ; xmm3=(20 30 21 31 22 32 23 33) - punpckhwd xmm4,xmm1 ; xmm4=(24 34 25 35 26 36 27 37) - movdqa xmm6,xmm0 ; transpose coefficients(phase 1) - punpcklwd xmm0,xmm5 ; xmm0=(40 50 41 51 42 52 43 53) - punpckhwd xmm6,xmm5 ; xmm6=(44 54 45 55 46 56 47 57) - - movdqa xmm1,xmm7 ; transpose coefficients(phase 2) - punpckldq xmm7,xmm3 ; xmm7=(00 10 20 30 01 11 21 31) - punpckhdq xmm1,xmm3 ; xmm1=(02 12 22 32 03 13 23 33) - movdqa xmm5,xmm2 ; transpose coefficients(phase 2) - punpckldq xmm2,xmm4 ; xmm2=(04 14 24 34 05 15 25 35) - punpckhdq xmm5,xmm4 ; xmm5=(06 16 26 36 07 17 27 37) - - movdqa xmm3, XMMWORD [wk(4)] ; xmm3=(60 70 61 71 62 72 63 73) - movdqa xmm4, XMMWORD [wk(5)] ; xmm4=(64 74 65 75 66 76 67 77) - - movdqa XMMWORD [wk(6)], xmm2 ; wk(6)=(04 14 24 34 05 15 25 35) - movdqa XMMWORD [wk(7)], xmm5 ; wk(7)=(06 16 26 36 07 17 27 37) - - movdqa xmm2,xmm0 ; transpose coefficients(phase 2) - punpckldq xmm0,xmm3 ; xmm0=(40 50 60 70 41 51 61 71) - punpckhdq xmm2,xmm3 ; xmm2=(42 52 62 72 43 53 63 73) - movdqa xmm5,xmm6 ; transpose coefficients(phase 2) - punpckldq xmm6,xmm4 ; xmm6=(44 54 64 74 45 55 65 75) - punpckhdq xmm5,xmm4 ; xmm5=(46 56 66 76 47 57 67 77) - - movdqa xmm3,xmm7 ; transpose coefficients(phase 3) - punpcklqdq xmm7,xmm0 ; xmm7=col0=(00 10 20 30 40 50 60 70) - punpckhqdq xmm3,xmm0 ; xmm3=col1=(01 11 21 31 41 51 61 71) - movdqa xmm4,xmm1 ; transpose coefficients(phase 3) - punpcklqdq xmm1,xmm2 ; xmm1=col2=(02 12 22 32 42 52 62 72) - punpckhqdq xmm4,xmm2 ; xmm4=col3=(03 13 23 33 43 53 63 73) - - movdqa xmm0, XMMWORD [wk(6)] ; xmm0=(04 14 24 34 05 15 25 35) - movdqa xmm2, XMMWORD [wk(7)] ; xmm2=(06 16 26 36 07 17 27 37) - - movdqa XMMWORD [wk(8)], xmm3 ; wk(8)=col1 - movdqa XMMWORD [wk(9)], xmm4 ; wk(9)=col3 - - movdqa xmm3,xmm0 ; transpose coefficients(phase 3) - punpcklqdq xmm0,xmm6 ; xmm0=col4=(04 14 24 34 44 54 64 74) - punpckhqdq xmm3,xmm6 ; xmm3=col5=(05 15 25 35 45 55 65 75) - movdqa xmm4,xmm2 ; transpose coefficients(phase 3) - punpcklqdq xmm2,xmm5 ; xmm2=col6=(06 16 26 36 46 56 66 76) - punpckhqdq xmm4,xmm5 ; xmm4=col7=(07 17 27 37 47 57 67 77) - - movdqa XMMWORD [wk(10)], xmm3 ; wk(10)=col5 - movdqa XMMWORD [wk(11)], xmm4 ; wk(11)=col7 -.column_end: - - ; -- Prefetch the next coefficient block - - prefetchnta [esi + DCTSIZE2*SIZEOF_JCOEF + 0*32] - prefetchnta [esi + DCTSIZE2*SIZEOF_JCOEF + 1*32] - prefetchnta [esi + DCTSIZE2*SIZEOF_JCOEF + 2*32] - prefetchnta [esi + DCTSIZE2*SIZEOF_JCOEF + 3*32] - - ; ---- Pass 2: process rows from work array, store into output array. - - mov eax, [original_ebp] - mov edi, JSAMPARRAY [output_buf(eax)] ; (JSAMPROW *) - mov eax, JDIMENSION [output_col(eax)] - - ; -- Even part - - ; xmm7=col0, xmm1=col2, xmm0=col4, xmm2=col6 - - ; (Original) - ; z1 = (z2 + z3) * 0.541196100; - ; tmp2 = z1 + z3 * -1.847759065; - ; tmp3 = z1 + z2 * 0.765366865; - ; - ; (This implementation) - ; tmp2 = z2 * 0.541196100 + z3 * (0.541196100 - 1.847759065); - ; tmp3 = z2 * (0.541196100 + 0.765366865) + z3 * 0.541196100; - - movdqa xmm6,xmm1 ; xmm1=in2=z2 - movdqa xmm5,xmm1 - punpcklwd xmm6,xmm2 ; xmm2=in6=z3 - punpckhwd xmm5,xmm2 - movdqa xmm1,xmm6 - movdqa xmm2,xmm5 - pmaddwd xmm6,[GOTOFF(ebx,PW_F130_F054)] ; xmm6=tmp3L - pmaddwd xmm5,[GOTOFF(ebx,PW_F130_F054)] ; xmm5=tmp3H - pmaddwd xmm1,[GOTOFF(ebx,PW_F054_MF130)] ; xmm1=tmp2L - pmaddwd xmm2,[GOTOFF(ebx,PW_F054_MF130)] ; xmm2=tmp2H - - movdqa xmm3,xmm7 - paddw xmm7,xmm0 ; xmm7=in0+in4 - psubw xmm3,xmm0 ; xmm3=in0-in4 - - pxor xmm4,xmm4 - pxor xmm0,xmm0 - punpcklwd xmm4,xmm7 ; xmm4=tmp0L - punpckhwd xmm0,xmm7 ; xmm0=tmp0H - psrad xmm4,(16-CONST_BITS) ; psrad xmm4,16 & pslld xmm4,CONST_BITS - psrad xmm0,(16-CONST_BITS) ; psrad xmm0,16 & pslld xmm0,CONST_BITS - - movdqa xmm7,xmm4 - paddd xmm4,xmm6 ; xmm4=tmp10L - psubd xmm7,xmm6 ; xmm7=tmp13L - movdqa xmm6,xmm0 - paddd xmm0,xmm5 ; xmm0=tmp10H - psubd xmm6,xmm5 ; xmm6=tmp13H - - movdqa XMMWORD [wk(0)], xmm4 ; wk(0)=tmp10L - movdqa XMMWORD [wk(1)], xmm0 ; wk(1)=tmp10H - movdqa XMMWORD [wk(2)], xmm7 ; wk(2)=tmp13L - movdqa XMMWORD [wk(3)], xmm6 ; wk(3)=tmp13H - - pxor xmm5,xmm5 - pxor xmm4,xmm4 - punpcklwd xmm5,xmm3 ; xmm5=tmp1L - punpckhwd xmm4,xmm3 ; xmm4=tmp1H - psrad xmm5,(16-CONST_BITS) ; psrad xmm5,16 & pslld xmm5,CONST_BITS - psrad xmm4,(16-CONST_BITS) ; psrad xmm4,16 & pslld xmm4,CONST_BITS - - movdqa xmm0,xmm5 - paddd xmm5,xmm1 ; xmm5=tmp11L - psubd xmm0,xmm1 ; xmm0=tmp12L - movdqa xmm7,xmm4 - paddd xmm4,xmm2 ; xmm4=tmp11H - psubd xmm7,xmm2 ; xmm7=tmp12H - - movdqa XMMWORD [wk(4)], xmm5 ; wk(4)=tmp11L - movdqa XMMWORD [wk(5)], xmm4 ; wk(5)=tmp11H - movdqa XMMWORD [wk(6)], xmm0 ; wk(6)=tmp12L - movdqa XMMWORD [wk(7)], xmm7 ; wk(7)=tmp12H - - ; -- Odd part - - movdqa xmm6, XMMWORD [wk(9)] ; xmm6=col3 - movdqa xmm3, XMMWORD [wk(8)] ; xmm3=col1 - movdqa xmm1, XMMWORD [wk(11)] ; xmm1=col7 - movdqa xmm2, XMMWORD [wk(10)] ; xmm2=col5 - - movdqa xmm5,xmm6 - movdqa xmm4,xmm3 - paddw xmm5,xmm1 ; xmm5=z3 - paddw xmm4,xmm2 ; xmm4=z4 - - ; (Original) - ; z5 = (z3 + z4) * 1.175875602; - ; z3 = z3 * -1.961570560; z4 = z4 * -0.390180644; - ; z3 += z5; z4 += z5; - ; - ; (This implementation) - ; z3 = z3 * (1.175875602 - 1.961570560) + z4 * 1.175875602; - ; z4 = z3 * 1.175875602 + z4 * (1.175875602 - 0.390180644); - - movdqa xmm0,xmm5 - movdqa xmm7,xmm5 - punpcklwd xmm0,xmm4 - punpckhwd xmm7,xmm4 - movdqa xmm5,xmm0 - movdqa xmm4,xmm7 - pmaddwd xmm0,[GOTOFF(ebx,PW_MF078_F117)] ; xmm0=z3L - pmaddwd xmm7,[GOTOFF(ebx,PW_MF078_F117)] ; xmm7=z3H - pmaddwd xmm5,[GOTOFF(ebx,PW_F117_F078)] ; xmm5=z4L - pmaddwd xmm4,[GOTOFF(ebx,PW_F117_F078)] ; xmm4=z4H - - movdqa XMMWORD [wk(10)], xmm0 ; wk(10)=z3L - movdqa XMMWORD [wk(11)], xmm7 ; wk(11)=z3H - - ; (Original) - ; z1 = tmp0 + tmp3; z2 = tmp1 + tmp2; - ; tmp0 = tmp0 * 0.298631336; tmp1 = tmp1 * 2.053119869; - ; tmp2 = tmp2 * 3.072711026; tmp3 = tmp3 * 1.501321110; - ; z1 = z1 * -0.899976223; z2 = z2 * -2.562915447; - ; tmp0 += z1 + z3; tmp1 += z2 + z4; - ; tmp2 += z2 + z3; tmp3 += z1 + z4; - ; - ; (This implementation) - ; tmp0 = tmp0 * (0.298631336 - 0.899976223) + tmp3 * -0.899976223; - ; tmp1 = tmp1 * (2.053119869 - 2.562915447) + tmp2 * -2.562915447; - ; tmp2 = tmp1 * -2.562915447 + tmp2 * (3.072711026 - 2.562915447); - ; tmp3 = tmp0 * -0.899976223 + tmp3 * (1.501321110 - 0.899976223); - ; tmp0 += z3; tmp1 += z4; - ; tmp2 += z3; tmp3 += z4; - - movdqa xmm0,xmm1 - movdqa xmm7,xmm1 - punpcklwd xmm0,xmm3 - punpckhwd xmm7,xmm3 - movdqa xmm1,xmm0 - movdqa xmm3,xmm7 - pmaddwd xmm0,[GOTOFF(ebx,PW_MF060_MF089)] ; xmm0=tmp0L - pmaddwd xmm7,[GOTOFF(ebx,PW_MF060_MF089)] ; xmm7=tmp0H - pmaddwd xmm1,[GOTOFF(ebx,PW_MF089_F060)] ; xmm1=tmp3L - pmaddwd xmm3,[GOTOFF(ebx,PW_MF089_F060)] ; xmm3=tmp3H - - paddd xmm0, XMMWORD [wk(10)] ; xmm0=tmp0L - paddd xmm7, XMMWORD [wk(11)] ; xmm7=tmp0H - paddd xmm1,xmm5 ; xmm1=tmp3L - paddd xmm3,xmm4 ; xmm3=tmp3H - - movdqa XMMWORD [wk(8)], xmm0 ; wk(8)=tmp0L - movdqa XMMWORD [wk(9)], xmm7 ; wk(9)=tmp0H - - movdqa xmm0,xmm2 - movdqa xmm7,xmm2 - punpcklwd xmm0,xmm6 - punpckhwd xmm7,xmm6 - movdqa xmm2,xmm0 - movdqa xmm6,xmm7 - pmaddwd xmm0,[GOTOFF(ebx,PW_MF050_MF256)] ; xmm0=tmp1L - pmaddwd xmm7,[GOTOFF(ebx,PW_MF050_MF256)] ; xmm7=tmp1H - pmaddwd xmm2,[GOTOFF(ebx,PW_MF256_F050)] ; xmm2=tmp2L - pmaddwd xmm6,[GOTOFF(ebx,PW_MF256_F050)] ; xmm6=tmp2H - - paddd xmm0,xmm5 ; xmm0=tmp1L - paddd xmm7,xmm4 ; xmm7=tmp1H - paddd xmm2, XMMWORD [wk(10)] ; xmm2=tmp2L - paddd xmm6, XMMWORD [wk(11)] ; xmm6=tmp2H - - movdqa XMMWORD [wk(10)], xmm0 ; wk(10)=tmp1L - movdqa XMMWORD [wk(11)], xmm7 ; wk(11)=tmp1H - - ; -- Final output stage - - movdqa xmm5, XMMWORD [wk(0)] ; xmm5=tmp10L - movdqa xmm4, XMMWORD [wk(1)] ; xmm4=tmp10H - - movdqa xmm0,xmm5 - movdqa xmm7,xmm4 - paddd xmm5,xmm1 ; xmm5=data0L - paddd xmm4,xmm3 ; xmm4=data0H - psubd xmm0,xmm1 ; xmm0=data7L - psubd xmm7,xmm3 ; xmm7=data7H - - movdqa xmm1,[GOTOFF(ebx,PD_DESCALE_P2)] ; xmm1=[PD_DESCALE_P2] - - paddd xmm5,xmm1 - paddd xmm4,xmm1 - psrad xmm5,DESCALE_P2 - psrad xmm4,DESCALE_P2 - paddd xmm0,xmm1 - paddd xmm7,xmm1 - psrad xmm0,DESCALE_P2 - psrad xmm7,DESCALE_P2 - - packssdw xmm5,xmm4 ; xmm5=data0=(00 10 20 30 40 50 60 70) - packssdw xmm0,xmm7 ; xmm0=data7=(07 17 27 37 47 57 67 77) - - movdqa xmm3, XMMWORD [wk(4)] ; xmm3=tmp11L - movdqa xmm1, XMMWORD [wk(5)] ; xmm1=tmp11H - - movdqa xmm4,xmm3 - movdqa xmm7,xmm1 - paddd xmm3,xmm2 ; xmm3=data1L - paddd xmm1,xmm6 ; xmm1=data1H - psubd xmm4,xmm2 ; xmm4=data6L - psubd xmm7,xmm6 ; xmm7=data6H - - movdqa xmm2,[GOTOFF(ebx,PD_DESCALE_P2)] ; xmm2=[PD_DESCALE_P2] - - paddd xmm3,xmm2 - paddd xmm1,xmm2 - psrad xmm3,DESCALE_P2 - psrad xmm1,DESCALE_P2 - paddd xmm4,xmm2 - paddd xmm7,xmm2 - psrad xmm4,DESCALE_P2 - psrad xmm7,DESCALE_P2 - - packssdw xmm3,xmm1 ; xmm3=data1=(01 11 21 31 41 51 61 71) - packssdw xmm4,xmm7 ; xmm4=data6=(06 16 26 36 46 56 66 76) - - packsswb xmm5,xmm4 ; xmm5=(00 10 20 30 40 50 60 70 06 16 26 36 46 56 66 76) - packsswb xmm3,xmm0 ; xmm3=(01 11 21 31 41 51 61 71 07 17 27 37 47 57 67 77) - - movdqa xmm6, XMMWORD [wk(6)] ; xmm6=tmp12L - movdqa xmm2, XMMWORD [wk(7)] ; xmm2=tmp12H - movdqa xmm1, XMMWORD [wk(10)] ; xmm1=tmp1L - movdqa xmm7, XMMWORD [wk(11)] ; xmm7=tmp1H - - movdqa XMMWORD [wk(0)], xmm5 ; wk(0)=(00 10 20 30 40 50 60 70 06 16 26 36 46 56 66 76) - movdqa XMMWORD [wk(1)], xmm3 ; wk(1)=(01 11 21 31 41 51 61 71 07 17 27 37 47 57 67 77) - - movdqa xmm4,xmm6 - movdqa xmm0,xmm2 - paddd xmm6,xmm1 ; xmm6=data2L - paddd xmm2,xmm7 ; xmm2=data2H - psubd xmm4,xmm1 ; xmm4=data5L - psubd xmm0,xmm7 ; xmm0=data5H - - movdqa xmm5,[GOTOFF(ebx,PD_DESCALE_P2)] ; xmm5=[PD_DESCALE_P2] - - paddd xmm6,xmm5 - paddd xmm2,xmm5 - psrad xmm6,DESCALE_P2 - psrad xmm2,DESCALE_P2 - paddd xmm4,xmm5 - paddd xmm0,xmm5 - psrad xmm4,DESCALE_P2 - psrad xmm0,DESCALE_P2 - - packssdw xmm6,xmm2 ; xmm6=data2=(02 12 22 32 42 52 62 72) - packssdw xmm4,xmm0 ; xmm4=data5=(05 15 25 35 45 55 65 75) - - movdqa xmm3, XMMWORD [wk(2)] ; xmm3=tmp13L - movdqa xmm1, XMMWORD [wk(3)] ; xmm1=tmp13H - movdqa xmm7, XMMWORD [wk(8)] ; xmm7=tmp0L - movdqa xmm5, XMMWORD [wk(9)] ; xmm5=tmp0H - - movdqa xmm2,xmm3 - movdqa xmm0,xmm1 - paddd xmm3,xmm7 ; xmm3=data3L - paddd xmm1,xmm5 ; xmm1=data3H - psubd xmm2,xmm7 ; xmm2=data4L - psubd xmm0,xmm5 ; xmm0=data4H - - movdqa xmm7,[GOTOFF(ebx,PD_DESCALE_P2)] ; xmm7=[PD_DESCALE_P2] - - paddd xmm3,xmm7 - paddd xmm1,xmm7 - psrad xmm3,DESCALE_P2 - psrad xmm1,DESCALE_P2 - paddd xmm2,xmm7 - paddd xmm0,xmm7 - psrad xmm2,DESCALE_P2 - psrad xmm0,DESCALE_P2 - - movdqa xmm5,[GOTOFF(ebx,PB_CENTERJSAMP)] ; xmm5=[PB_CENTERJSAMP] - - packssdw xmm3,xmm1 ; xmm3=data3=(03 13 23 33 43 53 63 73) - packssdw xmm2,xmm0 ; xmm2=data4=(04 14 24 34 44 54 64 74) - - movdqa xmm7, XMMWORD [wk(0)] ; xmm7=(00 10 20 30 40 50 60 70 06 16 26 36 46 56 66 76) - movdqa xmm1, XMMWORD [wk(1)] ; xmm1=(01 11 21 31 41 51 61 71 07 17 27 37 47 57 67 77) - - packsswb xmm6,xmm2 ; xmm6=(02 12 22 32 42 52 62 72 04 14 24 34 44 54 64 74) - packsswb xmm3,xmm4 ; xmm3=(03 13 23 33 43 53 63 73 05 15 25 35 45 55 65 75) - - paddb xmm7,xmm5 - paddb xmm1,xmm5 - paddb xmm6,xmm5 - paddb xmm3,xmm5 - - movdqa xmm0,xmm7 ; transpose coefficients(phase 1) - punpcklbw xmm7,xmm1 ; xmm7=(00 01 10 11 20 21 30 31 40 41 50 51 60 61 70 71) - punpckhbw xmm0,xmm1 ; xmm0=(06 07 16 17 26 27 36 37 46 47 56 57 66 67 76 77) - movdqa xmm2,xmm6 ; transpose coefficients(phase 1) - punpcklbw xmm6,xmm3 ; xmm6=(02 03 12 13 22 23 32 33 42 43 52 53 62 63 72 73) - punpckhbw xmm2,xmm3 ; xmm2=(04 05 14 15 24 25 34 35 44 45 54 55 64 65 74 75) - - movdqa xmm4,xmm7 ; transpose coefficients(phase 2) - punpcklwd xmm7,xmm6 ; xmm7=(00 01 02 03 10 11 12 13 20 21 22 23 30 31 32 33) - punpckhwd xmm4,xmm6 ; xmm4=(40 41 42 43 50 51 52 53 60 61 62 63 70 71 72 73) - movdqa xmm5,xmm2 ; transpose coefficients(phase 2) - punpcklwd xmm2,xmm0 ; xmm2=(04 05 06 07 14 15 16 17 24 25 26 27 34 35 36 37) - punpckhwd xmm5,xmm0 ; xmm5=(44 45 46 47 54 55 56 57 64 65 66 67 74 75 76 77) - - movdqa xmm1,xmm7 ; transpose coefficients(phase 3) - punpckldq xmm7,xmm2 ; xmm7=(00 01 02 03 04 05 06 07 10 11 12 13 14 15 16 17) - punpckhdq xmm1,xmm2 ; xmm1=(20 21 22 23 24 25 26 27 30 31 32 33 34 35 36 37) - movdqa xmm3,xmm4 ; transpose coefficients(phase 3) - punpckldq xmm4,xmm5 ; xmm4=(40 41 42 43 44 45 46 47 50 51 52 53 54 55 56 57) - punpckhdq xmm3,xmm5 ; xmm3=(60 61 62 63 64 65 66 67 70 71 72 73 74 75 76 77) - - pshufd xmm6,xmm7,0x4E ; xmm6=(10 11 12 13 14 15 16 17 00 01 02 03 04 05 06 07) - pshufd xmm0,xmm1,0x4E ; xmm0=(30 31 32 33 34 35 36 37 20 21 22 23 24 25 26 27) - pshufd xmm2,xmm4,0x4E ; xmm2=(50 51 52 53 54 55 56 57 40 41 42 43 44 45 46 47) - pshufd xmm5,xmm3,0x4E ; xmm5=(70 71 72 73 74 75 76 77 60 61 62 63 64 65 66 67) - - mov edx, JSAMPROW [edi+0*SIZEOF_JSAMPROW] - mov esi, JSAMPROW [edi+2*SIZEOF_JSAMPROW] - movq XMM_MMWORD [edx+eax*SIZEOF_JSAMPLE], xmm7 - movq XMM_MMWORD [esi+eax*SIZEOF_JSAMPLE], xmm1 - mov edx, JSAMPROW [edi+4*SIZEOF_JSAMPROW] - mov esi, JSAMPROW [edi+6*SIZEOF_JSAMPROW] - movq XMM_MMWORD [edx+eax*SIZEOF_JSAMPLE], xmm4 - movq XMM_MMWORD [esi+eax*SIZEOF_JSAMPLE], xmm3 - - mov edx, JSAMPROW [edi+1*SIZEOF_JSAMPROW] - mov esi, JSAMPROW [edi+3*SIZEOF_JSAMPROW] - movq XMM_MMWORD [edx+eax*SIZEOF_JSAMPLE], xmm6 - movq XMM_MMWORD [esi+eax*SIZEOF_JSAMPLE], xmm0 - mov edx, JSAMPROW [edi+5*SIZEOF_JSAMPROW] - mov esi, JSAMPROW [edi+7*SIZEOF_JSAMPROW] - movq XMM_MMWORD [edx+eax*SIZEOF_JSAMPLE], xmm2 - movq XMM_MMWORD [esi+eax*SIZEOF_JSAMPLE], xmm5 - - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; unused - poppic ebx - mov esp,ebp ; esp <- aligned ebp - pop esp ; esp <- original ebp - pop ebp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jiss2red-64.asm b/common/jpeg/simd/jiss2red-64.asm deleted file mode 100644 index 6807f17c..00000000 --- a/common/jpeg/simd/jiss2red-64.asm +++ /dev/null @@ -1,576 +0,0 @@ -; -; jiss2red-64.asm - reduced-size IDCT (64-bit SSE2) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; Copyright 2009 D. R. Commander -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; This file contains inverse-DCT routines that produce reduced-size -; output: either 4x4 or 2x2 pixels from an 8x8 DCT block. -; The following code is based directly on the IJG's original jidctred.c; -; see the jidctred.c for more details. -; -; [TAB8] - -%include "jsimdext.inc" -%include "jdct.inc" - -; -------------------------------------------------------------------------- - -%define CONST_BITS 13 -%define PASS1_BITS 2 - -%define DESCALE_P1_4 (CONST_BITS-PASS1_BITS+1) -%define DESCALE_P2_4 (CONST_BITS+PASS1_BITS+3+1) -%define DESCALE_P1_2 (CONST_BITS-PASS1_BITS+2) -%define DESCALE_P2_2 (CONST_BITS+PASS1_BITS+3+2) - -%if CONST_BITS == 13 -F_0_211 equ 1730 ; FIX(0.211164243) -F_0_509 equ 4176 ; FIX(0.509795579) -F_0_601 equ 4926 ; FIX(0.601344887) -F_0_720 equ 5906 ; FIX(0.720959822) -F_0_765 equ 6270 ; FIX(0.765366865) -F_0_850 equ 6967 ; FIX(0.850430095) -F_0_899 equ 7373 ; FIX(0.899976223) -F_1_061 equ 8697 ; FIX(1.061594337) -F_1_272 equ 10426 ; FIX(1.272758580) -F_1_451 equ 11893 ; FIX(1.451774981) -F_1_847 equ 15137 ; FIX(1.847759065) -F_2_172 equ 17799 ; FIX(2.172734803) -F_2_562 equ 20995 ; FIX(2.562915447) -F_3_624 equ 29692 ; FIX(3.624509785) -%else -; NASM cannot do compile-time arithmetic on floating-point constants. -%define DESCALE(x,n) (((x)+(1<<((n)-1)))>>(n)) -F_0_211 equ DESCALE( 226735879,30-CONST_BITS) ; FIX(0.211164243) -F_0_509 equ DESCALE( 547388834,30-CONST_BITS) ; FIX(0.509795579) -F_0_601 equ DESCALE( 645689155,30-CONST_BITS) ; FIX(0.601344887) -F_0_720 equ DESCALE( 774124714,30-CONST_BITS) ; FIX(0.720959822) -F_0_765 equ DESCALE( 821806413,30-CONST_BITS) ; FIX(0.765366865) -F_0_850 equ DESCALE( 913142361,30-CONST_BITS) ; FIX(0.850430095) -F_0_899 equ DESCALE( 966342111,30-CONST_BITS) ; FIX(0.899976223) -F_1_061 equ DESCALE(1139878239,30-CONST_BITS) ; FIX(1.061594337) -F_1_272 equ DESCALE(1366614119,30-CONST_BITS) ; FIX(1.272758580) -F_1_451 equ DESCALE(1558831516,30-CONST_BITS) ; FIX(1.451774981) -F_1_847 equ DESCALE(1984016188,30-CONST_BITS) ; FIX(1.847759065) -F_2_172 equ DESCALE(2332956230,30-CONST_BITS) ; FIX(2.172734803) -F_2_562 equ DESCALE(2751909506,30-CONST_BITS) ; FIX(2.562915447) -F_3_624 equ DESCALE(3891787747,30-CONST_BITS) ; FIX(3.624509785) -%endif - -; -------------------------------------------------------------------------- - SECTION SEG_CONST - - alignz 16 - global EXTN(jconst_idct_red_sse2) - -EXTN(jconst_idct_red_sse2): - -PW_F184_MF076 times 4 dw F_1_847,-F_0_765 -PW_F256_F089 times 4 dw F_2_562, F_0_899 -PW_F106_MF217 times 4 dw F_1_061,-F_2_172 -PW_MF060_MF050 times 4 dw -F_0_601,-F_0_509 -PW_F145_MF021 times 4 dw F_1_451,-F_0_211 -PW_F362_MF127 times 4 dw F_3_624,-F_1_272 -PW_F085_MF072 times 4 dw F_0_850,-F_0_720 -PD_DESCALE_P1_4 times 4 dd 1 << (DESCALE_P1_4-1) -PD_DESCALE_P2_4 times 4 dd 1 << (DESCALE_P2_4-1) -PD_DESCALE_P1_2 times 4 dd 1 << (DESCALE_P1_2-1) -PD_DESCALE_P2_2 times 4 dd 1 << (DESCALE_P2_2-1) -PB_CENTERJSAMP times 16 db CENTERJSAMPLE - - alignz 16 - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 64 -; -; Perform dequantization and inverse DCT on one block of coefficients, -; producing a reduced-size 4x4 output block. -; -; GLOBAL(void) -; jsimd_idct_4x4_sse2 (void * dct_table, JCOEFPTR coef_block, -; JSAMPARRAY output_buf, JDIMENSION output_col) -; - -; r10 = void * dct_table -; r11 = JCOEFPTR coef_block -; r12 = JSAMPARRAY output_buf -; r13 = JDIMENSION output_col - -%define original_rbp rbp+0 -%define wk(i) rbp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM] -%define WK_NUM 2 - - align 16 - global EXTN(jsimd_idct_4x4_sse2) - -EXTN(jsimd_idct_4x4_sse2): - push rbp - mov rax,rsp ; rax = original rbp - sub rsp, byte 4 - and rsp, byte (-SIZEOF_XMMWORD) ; align to 128 bits - mov [rsp],rax - mov rbp,rsp ; rbp = aligned rbp - lea rsp, [wk(0)] - collect_args - - ; ---- Pass 1: process columns from input. - - mov rdx, r10 ; quantptr - mov rsi, r11 ; inptr - -%ifndef NO_ZERO_COLUMN_TEST_4X4_SSE2 - mov eax, DWORD [DWBLOCK(1,0,rsi,SIZEOF_JCOEF)] - or eax, DWORD [DWBLOCK(2,0,rsi,SIZEOF_JCOEF)] - jnz short .columnDCT - - movdqa xmm0, XMMWORD [XMMBLOCK(1,0,rsi,SIZEOF_JCOEF)] - movdqa xmm1, XMMWORD [XMMBLOCK(2,0,rsi,SIZEOF_JCOEF)] - por xmm0, XMMWORD [XMMBLOCK(3,0,rsi,SIZEOF_JCOEF)] - por xmm1, XMMWORD [XMMBLOCK(5,0,rsi,SIZEOF_JCOEF)] - por xmm0, XMMWORD [XMMBLOCK(6,0,rsi,SIZEOF_JCOEF)] - por xmm1, XMMWORD [XMMBLOCK(7,0,rsi,SIZEOF_JCOEF)] - por xmm0,xmm1 - packsswb xmm0,xmm0 - packsswb xmm0,xmm0 - movd eax,xmm0 - test rax,rax - jnz short .columnDCT - - ; -- AC terms all zero - - movdqa xmm0, XMMWORD [XMMBLOCK(0,0,rsi,SIZEOF_JCOEF)] - pmullw xmm0, XMMWORD [XMMBLOCK(0,0,rdx,SIZEOF_ISLOW_MULT_TYPE)] - - psllw xmm0,PASS1_BITS - - movdqa xmm3,xmm0 ; xmm0=in0=(00 01 02 03 04 05 06 07) - punpcklwd xmm0,xmm0 ; xmm0=(00 00 01 01 02 02 03 03) - punpckhwd xmm3,xmm3 ; xmm3=(04 04 05 05 06 06 07 07) - - pshufd xmm1,xmm0,0x50 ; xmm1=[col0 col1]=(00 00 00 00 01 01 01 01) - pshufd xmm0,xmm0,0xFA ; xmm0=[col2 col3]=(02 02 02 02 03 03 03 03) - pshufd xmm6,xmm3,0x50 ; xmm6=[col4 col5]=(04 04 04 04 05 05 05 05) - pshufd xmm3,xmm3,0xFA ; xmm3=[col6 col7]=(06 06 06 06 07 07 07 07) - - jmp near .column_end -%endif -.columnDCT: - - ; -- Odd part - - movdqa xmm0, XMMWORD [XMMBLOCK(1,0,rsi,SIZEOF_JCOEF)] - movdqa xmm1, XMMWORD [XMMBLOCK(3,0,rsi,SIZEOF_JCOEF)] - pmullw xmm0, XMMWORD [XMMBLOCK(1,0,rdx,SIZEOF_ISLOW_MULT_TYPE)] - pmullw xmm1, XMMWORD [XMMBLOCK(3,0,rdx,SIZEOF_ISLOW_MULT_TYPE)] - movdqa xmm2, XMMWORD [XMMBLOCK(5,0,rsi,SIZEOF_JCOEF)] - movdqa xmm3, XMMWORD [XMMBLOCK(7,0,rsi,SIZEOF_JCOEF)] - pmullw xmm2, XMMWORD [XMMBLOCK(5,0,rdx,SIZEOF_ISLOW_MULT_TYPE)] - pmullw xmm3, XMMWORD [XMMBLOCK(7,0,rdx,SIZEOF_ISLOW_MULT_TYPE)] - - movdqa xmm4,xmm0 - movdqa xmm5,xmm0 - punpcklwd xmm4,xmm1 - punpckhwd xmm5,xmm1 - movdqa xmm0,xmm4 - movdqa xmm1,xmm5 - pmaddwd xmm4,[rel PW_F256_F089] ; xmm4=(tmp2L) - pmaddwd xmm5,[rel PW_F256_F089] ; xmm5=(tmp2H) - pmaddwd xmm0,[rel PW_F106_MF217] ; xmm0=(tmp0L) - pmaddwd xmm1,[rel PW_F106_MF217] ; xmm1=(tmp0H) - - movdqa xmm6,xmm2 - movdqa xmm7,xmm2 - punpcklwd xmm6,xmm3 - punpckhwd xmm7,xmm3 - movdqa xmm2,xmm6 - movdqa xmm3,xmm7 - pmaddwd xmm6,[rel PW_MF060_MF050] ; xmm6=(tmp2L) - pmaddwd xmm7,[rel PW_MF060_MF050] ; xmm7=(tmp2H) - pmaddwd xmm2,[rel PW_F145_MF021] ; xmm2=(tmp0L) - pmaddwd xmm3,[rel PW_F145_MF021] ; xmm3=(tmp0H) - - paddd xmm6,xmm4 ; xmm6=tmp2L - paddd xmm7,xmm5 ; xmm7=tmp2H - paddd xmm2,xmm0 ; xmm2=tmp0L - paddd xmm3,xmm1 ; xmm3=tmp0H - - movdqa XMMWORD [wk(0)], xmm2 ; wk(0)=tmp0L - movdqa XMMWORD [wk(1)], xmm3 ; wk(1)=tmp0H - - ; -- Even part - - movdqa xmm4, XMMWORD [XMMBLOCK(0,0,rsi,SIZEOF_JCOEF)] - movdqa xmm5, XMMWORD [XMMBLOCK(2,0,rsi,SIZEOF_JCOEF)] - movdqa xmm0, XMMWORD [XMMBLOCK(6,0,rsi,SIZEOF_JCOEF)] - pmullw xmm4, XMMWORD [XMMBLOCK(0,0,rdx,SIZEOF_ISLOW_MULT_TYPE)] - pmullw xmm5, XMMWORD [XMMBLOCK(2,0,rdx,SIZEOF_ISLOW_MULT_TYPE)] - pmullw xmm0, XMMWORD [XMMBLOCK(6,0,rdx,SIZEOF_ISLOW_MULT_TYPE)] - - pxor xmm1,xmm1 - pxor xmm2,xmm2 - punpcklwd xmm1,xmm4 ; xmm1=tmp0L - punpckhwd xmm2,xmm4 ; xmm2=tmp0H - psrad xmm1,(16-CONST_BITS-1) ; psrad xmm1,16 & pslld xmm1,CONST_BITS+1 - psrad xmm2,(16-CONST_BITS-1) ; psrad xmm2,16 & pslld xmm2,CONST_BITS+1 - - movdqa xmm3,xmm5 ; xmm5=in2=z2 - punpcklwd xmm5,xmm0 ; xmm0=in6=z3 - punpckhwd xmm3,xmm0 - pmaddwd xmm5,[rel PW_F184_MF076] ; xmm5=tmp2L - pmaddwd xmm3,[rel PW_F184_MF076] ; xmm3=tmp2H - - movdqa xmm4,xmm1 - movdqa xmm0,xmm2 - paddd xmm1,xmm5 ; xmm1=tmp10L - paddd xmm2,xmm3 ; xmm2=tmp10H - psubd xmm4,xmm5 ; xmm4=tmp12L - psubd xmm0,xmm3 ; xmm0=tmp12H - - ; -- Final output stage - - movdqa xmm5,xmm1 - movdqa xmm3,xmm2 - paddd xmm1,xmm6 ; xmm1=data0L - paddd xmm2,xmm7 ; xmm2=data0H - psubd xmm5,xmm6 ; xmm5=data3L - psubd xmm3,xmm7 ; xmm3=data3H - - movdqa xmm6,[rel PD_DESCALE_P1_4] ; xmm6=[rel PD_DESCALE_P1_4] - - paddd xmm1,xmm6 - paddd xmm2,xmm6 - psrad xmm1,DESCALE_P1_4 - psrad xmm2,DESCALE_P1_4 - paddd xmm5,xmm6 - paddd xmm3,xmm6 - psrad xmm5,DESCALE_P1_4 - psrad xmm3,DESCALE_P1_4 - - packssdw xmm1,xmm2 ; xmm1=data0=(00 01 02 03 04 05 06 07) - packssdw xmm5,xmm3 ; xmm5=data3=(30 31 32 33 34 35 36 37) - - movdqa xmm7, XMMWORD [wk(0)] ; xmm7=tmp0L - movdqa xmm6, XMMWORD [wk(1)] ; xmm6=tmp0H - - movdqa xmm2,xmm4 - movdqa xmm3,xmm0 - paddd xmm4,xmm7 ; xmm4=data1L - paddd xmm0,xmm6 ; xmm0=data1H - psubd xmm2,xmm7 ; xmm2=data2L - psubd xmm3,xmm6 ; xmm3=data2H - - movdqa xmm7,[rel PD_DESCALE_P1_4] ; xmm7=[rel PD_DESCALE_P1_4] - - paddd xmm4,xmm7 - paddd xmm0,xmm7 - psrad xmm4,DESCALE_P1_4 - psrad xmm0,DESCALE_P1_4 - paddd xmm2,xmm7 - paddd xmm3,xmm7 - psrad xmm2,DESCALE_P1_4 - psrad xmm3,DESCALE_P1_4 - - packssdw xmm4,xmm0 ; xmm4=data1=(10 11 12 13 14 15 16 17) - packssdw xmm2,xmm3 ; xmm2=data2=(20 21 22 23 24 25 26 27) - - movdqa xmm6,xmm1 ; transpose coefficients(phase 1) - punpcklwd xmm1,xmm4 ; xmm1=(00 10 01 11 02 12 03 13) - punpckhwd xmm6,xmm4 ; xmm6=(04 14 05 15 06 16 07 17) - movdqa xmm7,xmm2 ; transpose coefficients(phase 1) - punpcklwd xmm2,xmm5 ; xmm2=(20 30 21 31 22 32 23 33) - punpckhwd xmm7,xmm5 ; xmm7=(24 34 25 35 26 36 27 37) - - movdqa xmm0,xmm1 ; transpose coefficients(phase 2) - punpckldq xmm1,xmm2 ; xmm1=[col0 col1]=(00 10 20 30 01 11 21 31) - punpckhdq xmm0,xmm2 ; xmm0=[col2 col3]=(02 12 22 32 03 13 23 33) - movdqa xmm3,xmm6 ; transpose coefficients(phase 2) - punpckldq xmm6,xmm7 ; xmm6=[col4 col5]=(04 14 24 34 05 15 25 35) - punpckhdq xmm3,xmm7 ; xmm3=[col6 col7]=(06 16 26 36 07 17 27 37) -.column_end: - - ; -- Prefetch the next coefficient block - - prefetchnta [rsi + DCTSIZE2*SIZEOF_JCOEF + 0*32] - prefetchnta [rsi + DCTSIZE2*SIZEOF_JCOEF + 1*32] - prefetchnta [rsi + DCTSIZE2*SIZEOF_JCOEF + 2*32] - prefetchnta [rsi + DCTSIZE2*SIZEOF_JCOEF + 3*32] - - ; ---- Pass 2: process rows, store into output array. - - mov rax, [original_rbp] - mov rdi, r12 ; (JSAMPROW *) - mov rax, r13 - - ; -- Even part - - pxor xmm4,xmm4 - punpcklwd xmm4,xmm1 ; xmm4=tmp0 - psrad xmm4,(16-CONST_BITS-1) ; psrad xmm4,16 & pslld xmm4,CONST_BITS+1 - - ; -- Odd part - - punpckhwd xmm1,xmm0 - punpckhwd xmm6,xmm3 - movdqa xmm5,xmm1 - movdqa xmm2,xmm6 - pmaddwd xmm1,[rel PW_F256_F089] ; xmm1=(tmp2) - pmaddwd xmm6,[rel PW_MF060_MF050] ; xmm6=(tmp2) - pmaddwd xmm5,[rel PW_F106_MF217] ; xmm5=(tmp0) - pmaddwd xmm2,[rel PW_F145_MF021] ; xmm2=(tmp0) - - paddd xmm6,xmm1 ; xmm6=tmp2 - paddd xmm2,xmm5 ; xmm2=tmp0 - - ; -- Even part - - punpcklwd xmm0,xmm3 - pmaddwd xmm0,[rel PW_F184_MF076] ; xmm0=tmp2 - - movdqa xmm7,xmm4 - paddd xmm4,xmm0 ; xmm4=tmp10 - psubd xmm7,xmm0 ; xmm7=tmp12 - - ; -- Final output stage - - movdqa xmm1,[rel PD_DESCALE_P2_4] ; xmm1=[rel PD_DESCALE_P2_4] - - movdqa xmm5,xmm4 - movdqa xmm3,xmm7 - paddd xmm4,xmm6 ; xmm4=data0=(00 10 20 30) - paddd xmm7,xmm2 ; xmm7=data1=(01 11 21 31) - psubd xmm5,xmm6 ; xmm5=data3=(03 13 23 33) - psubd xmm3,xmm2 ; xmm3=data2=(02 12 22 32) - - paddd xmm4,xmm1 - paddd xmm7,xmm1 - psrad xmm4,DESCALE_P2_4 - psrad xmm7,DESCALE_P2_4 - paddd xmm5,xmm1 - paddd xmm3,xmm1 - psrad xmm5,DESCALE_P2_4 - psrad xmm3,DESCALE_P2_4 - - packssdw xmm4,xmm3 ; xmm4=(00 10 20 30 02 12 22 32) - packssdw xmm7,xmm5 ; xmm7=(01 11 21 31 03 13 23 33) - - movdqa xmm0,xmm4 ; transpose coefficients(phase 1) - punpcklwd xmm4,xmm7 ; xmm4=(00 01 10 11 20 21 30 31) - punpckhwd xmm0,xmm7 ; xmm0=(02 03 12 13 22 23 32 33) - - movdqa xmm6,xmm4 ; transpose coefficients(phase 2) - punpckldq xmm4,xmm0 ; xmm4=(00 01 02 03 10 11 12 13) - punpckhdq xmm6,xmm0 ; xmm6=(20 21 22 23 30 31 32 33) - - packsswb xmm4,xmm6 ; xmm4=(00 01 02 03 10 11 12 13 20 ..) - paddb xmm4,[rel PB_CENTERJSAMP] - - pshufd xmm2,xmm4,0x39 ; xmm2=(10 11 12 13 20 21 22 23 30 ..) - pshufd xmm1,xmm4,0x4E ; xmm1=(20 21 22 23 30 31 32 33 00 ..) - pshufd xmm3,xmm4,0x93 ; xmm3=(30 31 32 33 00 01 02 03 10 ..) - - mov rdx, JSAMPROW [rdi+0*SIZEOF_JSAMPROW] - mov rsi, JSAMPROW [rdi+1*SIZEOF_JSAMPROW] - movd XMM_DWORD [rdx+rax*SIZEOF_JSAMPLE], xmm4 - movd XMM_DWORD [rsi+rax*SIZEOF_JSAMPLE], xmm2 - mov rdx, JSAMPROW [rdi+2*SIZEOF_JSAMPROW] - mov rsi, JSAMPROW [rdi+3*SIZEOF_JSAMPROW] - movd XMM_DWORD [rdx+rax*SIZEOF_JSAMPLE], xmm1 - movd XMM_DWORD [rsi+rax*SIZEOF_JSAMPLE], xmm3 - - uncollect_args - mov rsp,rbp ; rsp <- aligned rbp - pop rsp ; rsp <- original rbp - pop rbp - ret - - -; -------------------------------------------------------------------------- -; -; Perform dequantization and inverse DCT on one block of coefficients, -; producing a reduced-size 2x2 output block. -; -; GLOBAL(void) -; jsimd_idct_2x2_sse2 (void * dct_table, JCOEFPTR coef_block, -; JSAMPARRAY output_buf, JDIMENSION output_col) -; - -; r10 = void * dct_table -; r11 = JCOEFPTR coef_block -; r12 = JSAMPARRAY output_buf -; r13 = JDIMENSION output_col - - align 16 - global EXTN(jsimd_idct_2x2_sse2) - -EXTN(jsimd_idct_2x2_sse2): - push rbp - mov rax,rsp - mov rbp,rsp - collect_args - push rbx - - ; ---- Pass 1: process columns from input. - - mov rdx, r10 ; quantptr - mov rsi, r11 ; inptr - - ; | input: | result: | - ; | 00 01 ** 03 ** 05 ** 07 | | - ; | 10 11 ** 13 ** 15 ** 17 | | - ; | ** ** ** ** ** ** ** ** | | - ; | 30 31 ** 33 ** 35 ** 37 | A0 A1 A3 A5 A7 | - ; | ** ** ** ** ** ** ** ** | B0 B1 B3 B5 B7 | - ; | 50 51 ** 53 ** 55 ** 57 | | - ; | ** ** ** ** ** ** ** ** | | - ; | 70 71 ** 73 ** 75 ** 77 | | - - ; -- Odd part - - movdqa xmm0, XMMWORD [XMMBLOCK(1,0,rsi,SIZEOF_JCOEF)] - movdqa xmm1, XMMWORD [XMMBLOCK(3,0,rsi,SIZEOF_JCOEF)] - pmullw xmm0, XMMWORD [XMMBLOCK(1,0,rdx,SIZEOF_ISLOW_MULT_TYPE)] - pmullw xmm1, XMMWORD [XMMBLOCK(3,0,rdx,SIZEOF_ISLOW_MULT_TYPE)] - movdqa xmm2, XMMWORD [XMMBLOCK(5,0,rsi,SIZEOF_JCOEF)] - movdqa xmm3, XMMWORD [XMMBLOCK(7,0,rsi,SIZEOF_JCOEF)] - pmullw xmm2, XMMWORD [XMMBLOCK(5,0,rdx,SIZEOF_ISLOW_MULT_TYPE)] - pmullw xmm3, XMMWORD [XMMBLOCK(7,0,rdx,SIZEOF_ISLOW_MULT_TYPE)] - - ; xmm0=(10 11 ** 13 ** 15 ** 17), xmm1=(30 31 ** 33 ** 35 ** 37) - ; xmm2=(50 51 ** 53 ** 55 ** 57), xmm3=(70 71 ** 73 ** 75 ** 77) - - pcmpeqd xmm7,xmm7 - pslld xmm7,WORD_BIT ; xmm7={0x0000 0xFFFF 0x0000 0xFFFF ..} - - movdqa xmm4,xmm0 ; xmm4=(10 11 ** 13 ** 15 ** 17) - movdqa xmm5,xmm2 ; xmm5=(50 51 ** 53 ** 55 ** 57) - punpcklwd xmm4,xmm1 ; xmm4=(10 30 11 31 ** ** 13 33) - punpcklwd xmm5,xmm3 ; xmm5=(50 70 51 71 ** ** 53 73) - pmaddwd xmm4,[rel PW_F362_MF127] - pmaddwd xmm5,[rel PW_F085_MF072] - - psrld xmm0,WORD_BIT ; xmm0=(11 -- 13 -- 15 -- 17 --) - pand xmm1,xmm7 ; xmm1=(-- 31 -- 33 -- 35 -- 37) - psrld xmm2,WORD_BIT ; xmm2=(51 -- 53 -- 55 -- 57 --) - pand xmm3,xmm7 ; xmm3=(-- 71 -- 73 -- 75 -- 77) - por xmm0,xmm1 ; xmm0=(11 31 13 33 15 35 17 37) - por xmm2,xmm3 ; xmm2=(51 71 53 73 55 75 57 77) - pmaddwd xmm0,[rel PW_F362_MF127] - pmaddwd xmm2,[rel PW_F085_MF072] - - paddd xmm4,xmm5 ; xmm4=tmp0[col0 col1 **** col3] - paddd xmm0,xmm2 ; xmm0=tmp0[col1 col3 col5 col7] - - ; -- Even part - - movdqa xmm6, XMMWORD [XMMBLOCK(0,0,rsi,SIZEOF_JCOEF)] - pmullw xmm6, XMMWORD [XMMBLOCK(0,0,rdx,SIZEOF_ISLOW_MULT_TYPE)] - - ; xmm6=(00 01 ** 03 ** 05 ** 07) - - movdqa xmm1,xmm6 ; xmm1=(00 01 ** 03 ** 05 ** 07) - pslld xmm6,WORD_BIT ; xmm6=(-- 00 -- ** -- ** -- **) - pand xmm1,xmm7 ; xmm1=(-- 01 -- 03 -- 05 -- 07) - psrad xmm6,(WORD_BIT-CONST_BITS-2) ; xmm6=tmp10[col0 **** **** ****] - psrad xmm1,(WORD_BIT-CONST_BITS-2) ; xmm1=tmp10[col1 col3 col5 col7] - - ; -- Final output stage - - movdqa xmm3,xmm6 - movdqa xmm5,xmm1 - paddd xmm6,xmm4 ; xmm6=data0[col0 **** **** ****]=(A0 ** ** **) - paddd xmm1,xmm0 ; xmm1=data0[col1 col3 col5 col7]=(A1 A3 A5 A7) - psubd xmm3,xmm4 ; xmm3=data1[col0 **** **** ****]=(B0 ** ** **) - psubd xmm5,xmm0 ; xmm5=data1[col1 col3 col5 col7]=(B1 B3 B5 B7) - - movdqa xmm2,[rel PD_DESCALE_P1_2] ; xmm2=[rel PD_DESCALE_P1_2] - - punpckldq xmm6,xmm3 ; xmm6=(A0 B0 ** **) - - movdqa xmm7,xmm1 - punpcklqdq xmm1,xmm5 ; xmm1=(A1 A3 B1 B3) - punpckhqdq xmm7,xmm5 ; xmm7=(A5 A7 B5 B7) - - paddd xmm6,xmm2 - psrad xmm6,DESCALE_P1_2 - - paddd xmm1,xmm2 - paddd xmm7,xmm2 - psrad xmm1,DESCALE_P1_2 - psrad xmm7,DESCALE_P1_2 - - ; -- Prefetch the next coefficient block - - prefetchnta [rsi + DCTSIZE2*SIZEOF_JCOEF + 0*32] - prefetchnta [rsi + DCTSIZE2*SIZEOF_JCOEF + 1*32] - prefetchnta [rsi + DCTSIZE2*SIZEOF_JCOEF + 2*32] - prefetchnta [rsi + DCTSIZE2*SIZEOF_JCOEF + 3*32] - - ; ---- Pass 2: process rows, store into output array. - - mov rdi, r12 ; (JSAMPROW *) - mov rax, r13 - - ; | input:| result:| - ; | A0 B0 | | - ; | A1 B1 | C0 C1 | - ; | A3 B3 | D0 D1 | - ; | A5 B5 | | - ; | A7 B7 | | - - ; -- Odd part - - packssdw xmm1,xmm1 ; xmm1=(A1 A3 B1 B3 A1 A3 B1 B3) - packssdw xmm7,xmm7 ; xmm7=(A5 A7 B5 B7 A5 A7 B5 B7) - pmaddwd xmm1,[rel PW_F362_MF127] - pmaddwd xmm7,[rel PW_F085_MF072] - - paddd xmm1,xmm7 ; xmm1=tmp0[row0 row1 row0 row1] - - ; -- Even part - - pslld xmm6,(CONST_BITS+2) ; xmm6=tmp10[row0 row1 **** ****] - - ; -- Final output stage - - movdqa xmm4,xmm6 - paddd xmm6,xmm1 ; xmm6=data0[row0 row1 **** ****]=(C0 C1 ** **) - psubd xmm4,xmm1 ; xmm4=data1[row0 row1 **** ****]=(D0 D1 ** **) - - punpckldq xmm6,xmm4 ; xmm6=(C0 D0 C1 D1) - - paddd xmm6,[rel PD_DESCALE_P2_2] - psrad xmm6,DESCALE_P2_2 - - packssdw xmm6,xmm6 ; xmm6=(C0 D0 C1 D1 C0 D0 C1 D1) - packsswb xmm6,xmm6 ; xmm6=(C0 D0 C1 D1 C0 D0 C1 D1 ..) - paddb xmm6,[rel PB_CENTERJSAMP] - - pextrw ebx,xmm6,0x00 ; ebx=(C0 D0 -- --) - pextrw ecx,xmm6,0x01 ; ecx=(C1 D1 -- --) - - mov rdx, JSAMPROW [rdi+0*SIZEOF_JSAMPROW] - mov rsi, JSAMPROW [rdi+1*SIZEOF_JSAMPROW] - mov WORD [rdx+rax*SIZEOF_JSAMPLE], bx - mov WORD [rsi+rax*SIZEOF_JSAMPLE], cx - - pop rbx - uncollect_args - pop rbp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jiss2red.asm b/common/jpeg/simd/jiss2red.asm deleted file mode 100644 index 238c61d0..00000000 --- a/common/jpeg/simd/jiss2red.asm +++ /dev/null @@ -1,594 +0,0 @@ -; -; jiss2red.asm - reduced-size IDCT (SSE2) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; This file contains inverse-DCT routines that produce reduced-size -; output: either 4x4 or 2x2 pixels from an 8x8 DCT block. -; The following code is based directly on the IJG's original jidctred.c; -; see the jidctred.c for more details. -; -; [TAB8] - -%include "jsimdext.inc" -%include "jdct.inc" - -; -------------------------------------------------------------------------- - -%define CONST_BITS 13 -%define PASS1_BITS 2 - -%define DESCALE_P1_4 (CONST_BITS-PASS1_BITS+1) -%define DESCALE_P2_4 (CONST_BITS+PASS1_BITS+3+1) -%define DESCALE_P1_2 (CONST_BITS-PASS1_BITS+2) -%define DESCALE_P2_2 (CONST_BITS+PASS1_BITS+3+2) - -%if CONST_BITS == 13 -F_0_211 equ 1730 ; FIX(0.211164243) -F_0_509 equ 4176 ; FIX(0.509795579) -F_0_601 equ 4926 ; FIX(0.601344887) -F_0_720 equ 5906 ; FIX(0.720959822) -F_0_765 equ 6270 ; FIX(0.765366865) -F_0_850 equ 6967 ; FIX(0.850430095) -F_0_899 equ 7373 ; FIX(0.899976223) -F_1_061 equ 8697 ; FIX(1.061594337) -F_1_272 equ 10426 ; FIX(1.272758580) -F_1_451 equ 11893 ; FIX(1.451774981) -F_1_847 equ 15137 ; FIX(1.847759065) -F_2_172 equ 17799 ; FIX(2.172734803) -F_2_562 equ 20995 ; FIX(2.562915447) -F_3_624 equ 29692 ; FIX(3.624509785) -%else -; NASM cannot do compile-time arithmetic on floating-point constants. -%define DESCALE(x,n) (((x)+(1<<((n)-1)))>>(n)) -F_0_211 equ DESCALE( 226735879,30-CONST_BITS) ; FIX(0.211164243) -F_0_509 equ DESCALE( 547388834,30-CONST_BITS) ; FIX(0.509795579) -F_0_601 equ DESCALE( 645689155,30-CONST_BITS) ; FIX(0.601344887) -F_0_720 equ DESCALE( 774124714,30-CONST_BITS) ; FIX(0.720959822) -F_0_765 equ DESCALE( 821806413,30-CONST_BITS) ; FIX(0.765366865) -F_0_850 equ DESCALE( 913142361,30-CONST_BITS) ; FIX(0.850430095) -F_0_899 equ DESCALE( 966342111,30-CONST_BITS) ; FIX(0.899976223) -F_1_061 equ DESCALE(1139878239,30-CONST_BITS) ; FIX(1.061594337) -F_1_272 equ DESCALE(1366614119,30-CONST_BITS) ; FIX(1.272758580) -F_1_451 equ DESCALE(1558831516,30-CONST_BITS) ; FIX(1.451774981) -F_1_847 equ DESCALE(1984016188,30-CONST_BITS) ; FIX(1.847759065) -F_2_172 equ DESCALE(2332956230,30-CONST_BITS) ; FIX(2.172734803) -F_2_562 equ DESCALE(2751909506,30-CONST_BITS) ; FIX(2.562915447) -F_3_624 equ DESCALE(3891787747,30-CONST_BITS) ; FIX(3.624509785) -%endif - -; -------------------------------------------------------------------------- - SECTION SEG_CONST - - alignz 16 - global EXTN(jconst_idct_red_sse2) - -EXTN(jconst_idct_red_sse2): - -PW_F184_MF076 times 4 dw F_1_847,-F_0_765 -PW_F256_F089 times 4 dw F_2_562, F_0_899 -PW_F106_MF217 times 4 dw F_1_061,-F_2_172 -PW_MF060_MF050 times 4 dw -F_0_601,-F_0_509 -PW_F145_MF021 times 4 dw F_1_451,-F_0_211 -PW_F362_MF127 times 4 dw F_3_624,-F_1_272 -PW_F085_MF072 times 4 dw F_0_850,-F_0_720 -PD_DESCALE_P1_4 times 4 dd 1 << (DESCALE_P1_4-1) -PD_DESCALE_P2_4 times 4 dd 1 << (DESCALE_P2_4-1) -PD_DESCALE_P1_2 times 4 dd 1 << (DESCALE_P1_2-1) -PD_DESCALE_P2_2 times 4 dd 1 << (DESCALE_P2_2-1) -PB_CENTERJSAMP times 16 db CENTERJSAMPLE - - alignz 16 - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 32 -; -; Perform dequantization and inverse DCT on one block of coefficients, -; producing a reduced-size 4x4 output block. -; -; GLOBAL(void) -; jsimd_idct_4x4_sse2 (void * dct_table, JCOEFPTR coef_block, -; JSAMPARRAY output_buf, JDIMENSION output_col) -; - -%define dct_table(b) (b)+8 ; void * dct_table -%define coef_block(b) (b)+12 ; JCOEFPTR coef_block -%define output_buf(b) (b)+16 ; JSAMPARRAY output_buf -%define output_col(b) (b)+20 ; JDIMENSION output_col - -%define original_ebp ebp+0 -%define wk(i) ebp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM] -%define WK_NUM 2 - - align 16 - global EXTN(jsimd_idct_4x4_sse2) - -EXTN(jsimd_idct_4x4_sse2): - push ebp - mov eax,esp ; eax = original ebp - sub esp, byte 4 - and esp, byte (-SIZEOF_XMMWORD) ; align to 128 bits - mov [esp],eax - mov ebp,esp ; ebp = aligned ebp - lea esp, [wk(0)] - pushpic ebx -; push ecx ; unused -; push edx ; need not be preserved - push esi - push edi - - get_GOT ebx ; get GOT address - - ; ---- Pass 1: process columns from input. - -; mov eax, [original_ebp] - mov edx, POINTER [dct_table(eax)] ; quantptr - mov esi, JCOEFPTR [coef_block(eax)] ; inptr - -%ifndef NO_ZERO_COLUMN_TEST_4X4_SSE2 - mov eax, DWORD [DWBLOCK(1,0,esi,SIZEOF_JCOEF)] - or eax, DWORD [DWBLOCK(2,0,esi,SIZEOF_JCOEF)] - jnz short .columnDCT - - movdqa xmm0, XMMWORD [XMMBLOCK(1,0,esi,SIZEOF_JCOEF)] - movdqa xmm1, XMMWORD [XMMBLOCK(2,0,esi,SIZEOF_JCOEF)] - por xmm0, XMMWORD [XMMBLOCK(3,0,esi,SIZEOF_JCOEF)] - por xmm1, XMMWORD [XMMBLOCK(5,0,esi,SIZEOF_JCOEF)] - por xmm0, XMMWORD [XMMBLOCK(6,0,esi,SIZEOF_JCOEF)] - por xmm1, XMMWORD [XMMBLOCK(7,0,esi,SIZEOF_JCOEF)] - por xmm0,xmm1 - packsswb xmm0,xmm0 - packsswb xmm0,xmm0 - movd eax,xmm0 - test eax,eax - jnz short .columnDCT - - ; -- AC terms all zero - - movdqa xmm0, XMMWORD [XMMBLOCK(0,0,esi,SIZEOF_JCOEF)] - pmullw xmm0, XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - - psllw xmm0,PASS1_BITS - - movdqa xmm3,xmm0 ; xmm0=in0=(00 01 02 03 04 05 06 07) - punpcklwd xmm0,xmm0 ; xmm0=(00 00 01 01 02 02 03 03) - punpckhwd xmm3,xmm3 ; xmm3=(04 04 05 05 06 06 07 07) - - pshufd xmm1,xmm0,0x50 ; xmm1=[col0 col1]=(00 00 00 00 01 01 01 01) - pshufd xmm0,xmm0,0xFA ; xmm0=[col2 col3]=(02 02 02 02 03 03 03 03) - pshufd xmm6,xmm3,0x50 ; xmm6=[col4 col5]=(04 04 04 04 05 05 05 05) - pshufd xmm3,xmm3,0xFA ; xmm3=[col6 col7]=(06 06 06 06 07 07 07 07) - - jmp near .column_end - alignx 16,7 -%endif -.columnDCT: - - ; -- Odd part - - movdqa xmm0, XMMWORD [XMMBLOCK(1,0,esi,SIZEOF_JCOEF)] - movdqa xmm1, XMMWORD [XMMBLOCK(3,0,esi,SIZEOF_JCOEF)] - pmullw xmm0, XMMWORD [XMMBLOCK(1,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - pmullw xmm1, XMMWORD [XMMBLOCK(3,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - movdqa xmm2, XMMWORD [XMMBLOCK(5,0,esi,SIZEOF_JCOEF)] - movdqa xmm3, XMMWORD [XMMBLOCK(7,0,esi,SIZEOF_JCOEF)] - pmullw xmm2, XMMWORD [XMMBLOCK(5,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - pmullw xmm3, XMMWORD [XMMBLOCK(7,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - - movdqa xmm4,xmm0 - movdqa xmm5,xmm0 - punpcklwd xmm4,xmm1 - punpckhwd xmm5,xmm1 - movdqa xmm0,xmm4 - movdqa xmm1,xmm5 - pmaddwd xmm4,[GOTOFF(ebx,PW_F256_F089)] ; xmm4=(tmp2L) - pmaddwd xmm5,[GOTOFF(ebx,PW_F256_F089)] ; xmm5=(tmp2H) - pmaddwd xmm0,[GOTOFF(ebx,PW_F106_MF217)] ; xmm0=(tmp0L) - pmaddwd xmm1,[GOTOFF(ebx,PW_F106_MF217)] ; xmm1=(tmp0H) - - movdqa xmm6,xmm2 - movdqa xmm7,xmm2 - punpcklwd xmm6,xmm3 - punpckhwd xmm7,xmm3 - movdqa xmm2,xmm6 - movdqa xmm3,xmm7 - pmaddwd xmm6,[GOTOFF(ebx,PW_MF060_MF050)] ; xmm6=(tmp2L) - pmaddwd xmm7,[GOTOFF(ebx,PW_MF060_MF050)] ; xmm7=(tmp2H) - pmaddwd xmm2,[GOTOFF(ebx,PW_F145_MF021)] ; xmm2=(tmp0L) - pmaddwd xmm3,[GOTOFF(ebx,PW_F145_MF021)] ; xmm3=(tmp0H) - - paddd xmm6,xmm4 ; xmm6=tmp2L - paddd xmm7,xmm5 ; xmm7=tmp2H - paddd xmm2,xmm0 ; xmm2=tmp0L - paddd xmm3,xmm1 ; xmm3=tmp0H - - movdqa XMMWORD [wk(0)], xmm2 ; wk(0)=tmp0L - movdqa XMMWORD [wk(1)], xmm3 ; wk(1)=tmp0H - - ; -- Even part - - movdqa xmm4, XMMWORD [XMMBLOCK(0,0,esi,SIZEOF_JCOEF)] - movdqa xmm5, XMMWORD [XMMBLOCK(2,0,esi,SIZEOF_JCOEF)] - movdqa xmm0, XMMWORD [XMMBLOCK(6,0,esi,SIZEOF_JCOEF)] - pmullw xmm4, XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - pmullw xmm5, XMMWORD [XMMBLOCK(2,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - pmullw xmm0, XMMWORD [XMMBLOCK(6,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - - pxor xmm1,xmm1 - pxor xmm2,xmm2 - punpcklwd xmm1,xmm4 ; xmm1=tmp0L - punpckhwd xmm2,xmm4 ; xmm2=tmp0H - psrad xmm1,(16-CONST_BITS-1) ; psrad xmm1,16 & pslld xmm1,CONST_BITS+1 - psrad xmm2,(16-CONST_BITS-1) ; psrad xmm2,16 & pslld xmm2,CONST_BITS+1 - - movdqa xmm3,xmm5 ; xmm5=in2=z2 - punpcklwd xmm5,xmm0 ; xmm0=in6=z3 - punpckhwd xmm3,xmm0 - pmaddwd xmm5,[GOTOFF(ebx,PW_F184_MF076)] ; xmm5=tmp2L - pmaddwd xmm3,[GOTOFF(ebx,PW_F184_MF076)] ; xmm3=tmp2H - - movdqa xmm4,xmm1 - movdqa xmm0,xmm2 - paddd xmm1,xmm5 ; xmm1=tmp10L - paddd xmm2,xmm3 ; xmm2=tmp10H - psubd xmm4,xmm5 ; xmm4=tmp12L - psubd xmm0,xmm3 ; xmm0=tmp12H - - ; -- Final output stage - - movdqa xmm5,xmm1 - movdqa xmm3,xmm2 - paddd xmm1,xmm6 ; xmm1=data0L - paddd xmm2,xmm7 ; xmm2=data0H - psubd xmm5,xmm6 ; xmm5=data3L - psubd xmm3,xmm7 ; xmm3=data3H - - movdqa xmm6,[GOTOFF(ebx,PD_DESCALE_P1_4)] ; xmm6=[PD_DESCALE_P1_4] - - paddd xmm1,xmm6 - paddd xmm2,xmm6 - psrad xmm1,DESCALE_P1_4 - psrad xmm2,DESCALE_P1_4 - paddd xmm5,xmm6 - paddd xmm3,xmm6 - psrad xmm5,DESCALE_P1_4 - psrad xmm3,DESCALE_P1_4 - - packssdw xmm1,xmm2 ; xmm1=data0=(00 01 02 03 04 05 06 07) - packssdw xmm5,xmm3 ; xmm5=data3=(30 31 32 33 34 35 36 37) - - movdqa xmm7, XMMWORD [wk(0)] ; xmm7=tmp0L - movdqa xmm6, XMMWORD [wk(1)] ; xmm6=tmp0H - - movdqa xmm2,xmm4 - movdqa xmm3,xmm0 - paddd xmm4,xmm7 ; xmm4=data1L - paddd xmm0,xmm6 ; xmm0=data1H - psubd xmm2,xmm7 ; xmm2=data2L - psubd xmm3,xmm6 ; xmm3=data2H - - movdqa xmm7,[GOTOFF(ebx,PD_DESCALE_P1_4)] ; xmm7=[PD_DESCALE_P1_4] - - paddd xmm4,xmm7 - paddd xmm0,xmm7 - psrad xmm4,DESCALE_P1_4 - psrad xmm0,DESCALE_P1_4 - paddd xmm2,xmm7 - paddd xmm3,xmm7 - psrad xmm2,DESCALE_P1_4 - psrad xmm3,DESCALE_P1_4 - - packssdw xmm4,xmm0 ; xmm4=data1=(10 11 12 13 14 15 16 17) - packssdw xmm2,xmm3 ; xmm2=data2=(20 21 22 23 24 25 26 27) - - movdqa xmm6,xmm1 ; transpose coefficients(phase 1) - punpcklwd xmm1,xmm4 ; xmm1=(00 10 01 11 02 12 03 13) - punpckhwd xmm6,xmm4 ; xmm6=(04 14 05 15 06 16 07 17) - movdqa xmm7,xmm2 ; transpose coefficients(phase 1) - punpcklwd xmm2,xmm5 ; xmm2=(20 30 21 31 22 32 23 33) - punpckhwd xmm7,xmm5 ; xmm7=(24 34 25 35 26 36 27 37) - - movdqa xmm0,xmm1 ; transpose coefficients(phase 2) - punpckldq xmm1,xmm2 ; xmm1=[col0 col1]=(00 10 20 30 01 11 21 31) - punpckhdq xmm0,xmm2 ; xmm0=[col2 col3]=(02 12 22 32 03 13 23 33) - movdqa xmm3,xmm6 ; transpose coefficients(phase 2) - punpckldq xmm6,xmm7 ; xmm6=[col4 col5]=(04 14 24 34 05 15 25 35) - punpckhdq xmm3,xmm7 ; xmm3=[col6 col7]=(06 16 26 36 07 17 27 37) -.column_end: - - ; -- Prefetch the next coefficient block - - prefetchnta [esi + DCTSIZE2*SIZEOF_JCOEF + 0*32] - prefetchnta [esi + DCTSIZE2*SIZEOF_JCOEF + 1*32] - prefetchnta [esi + DCTSIZE2*SIZEOF_JCOEF + 2*32] - prefetchnta [esi + DCTSIZE2*SIZEOF_JCOEF + 3*32] - - ; ---- Pass 2: process rows, store into output array. - - mov eax, [original_ebp] - mov edi, JSAMPARRAY [output_buf(eax)] ; (JSAMPROW *) - mov eax, JDIMENSION [output_col(eax)] - - ; -- Even part - - pxor xmm4,xmm4 - punpcklwd xmm4,xmm1 ; xmm4=tmp0 - psrad xmm4,(16-CONST_BITS-1) ; psrad xmm4,16 & pslld xmm4,CONST_BITS+1 - - ; -- Odd part - - punpckhwd xmm1,xmm0 - punpckhwd xmm6,xmm3 - movdqa xmm5,xmm1 - movdqa xmm2,xmm6 - pmaddwd xmm1,[GOTOFF(ebx,PW_F256_F089)] ; xmm1=(tmp2) - pmaddwd xmm6,[GOTOFF(ebx,PW_MF060_MF050)] ; xmm6=(tmp2) - pmaddwd xmm5,[GOTOFF(ebx,PW_F106_MF217)] ; xmm5=(tmp0) - pmaddwd xmm2,[GOTOFF(ebx,PW_F145_MF021)] ; xmm2=(tmp0) - - paddd xmm6,xmm1 ; xmm6=tmp2 - paddd xmm2,xmm5 ; xmm2=tmp0 - - ; -- Even part - - punpcklwd xmm0,xmm3 - pmaddwd xmm0,[GOTOFF(ebx,PW_F184_MF076)] ; xmm0=tmp2 - - movdqa xmm7,xmm4 - paddd xmm4,xmm0 ; xmm4=tmp10 - psubd xmm7,xmm0 ; xmm7=tmp12 - - ; -- Final output stage - - movdqa xmm1,[GOTOFF(ebx,PD_DESCALE_P2_4)] ; xmm1=[PD_DESCALE_P2_4] - - movdqa xmm5,xmm4 - movdqa xmm3,xmm7 - paddd xmm4,xmm6 ; xmm4=data0=(00 10 20 30) - paddd xmm7,xmm2 ; xmm7=data1=(01 11 21 31) - psubd xmm5,xmm6 ; xmm5=data3=(03 13 23 33) - psubd xmm3,xmm2 ; xmm3=data2=(02 12 22 32) - - paddd xmm4,xmm1 - paddd xmm7,xmm1 - psrad xmm4,DESCALE_P2_4 - psrad xmm7,DESCALE_P2_4 - paddd xmm5,xmm1 - paddd xmm3,xmm1 - psrad xmm5,DESCALE_P2_4 - psrad xmm3,DESCALE_P2_4 - - packssdw xmm4,xmm3 ; xmm4=(00 10 20 30 02 12 22 32) - packssdw xmm7,xmm5 ; xmm7=(01 11 21 31 03 13 23 33) - - movdqa xmm0,xmm4 ; transpose coefficients(phase 1) - punpcklwd xmm4,xmm7 ; xmm4=(00 01 10 11 20 21 30 31) - punpckhwd xmm0,xmm7 ; xmm0=(02 03 12 13 22 23 32 33) - - movdqa xmm6,xmm4 ; transpose coefficients(phase 2) - punpckldq xmm4,xmm0 ; xmm4=(00 01 02 03 10 11 12 13) - punpckhdq xmm6,xmm0 ; xmm6=(20 21 22 23 30 31 32 33) - - packsswb xmm4,xmm6 ; xmm4=(00 01 02 03 10 11 12 13 20 ..) - paddb xmm4,[GOTOFF(ebx,PB_CENTERJSAMP)] - - pshufd xmm2,xmm4,0x39 ; xmm2=(10 11 12 13 20 21 22 23 30 ..) - pshufd xmm1,xmm4,0x4E ; xmm1=(20 21 22 23 30 31 32 33 00 ..) - pshufd xmm3,xmm4,0x93 ; xmm3=(30 31 32 33 00 01 02 03 10 ..) - - mov edx, JSAMPROW [edi+0*SIZEOF_JSAMPROW] - mov esi, JSAMPROW [edi+1*SIZEOF_JSAMPROW] - movd XMM_DWORD [edx+eax*SIZEOF_JSAMPLE], xmm4 - movd XMM_DWORD [esi+eax*SIZEOF_JSAMPLE], xmm2 - mov edx, JSAMPROW [edi+2*SIZEOF_JSAMPROW] - mov esi, JSAMPROW [edi+3*SIZEOF_JSAMPROW] - movd XMM_DWORD [edx+eax*SIZEOF_JSAMPLE], xmm1 - movd XMM_DWORD [esi+eax*SIZEOF_JSAMPLE], xmm3 - - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; unused - poppic ebx - mov esp,ebp ; esp <- aligned ebp - pop esp ; esp <- original ebp - pop ebp - ret - - -; -------------------------------------------------------------------------- -; -; Perform dequantization and inverse DCT on one block of coefficients, -; producing a reduced-size 2x2 output block. -; -; GLOBAL(void) -; jsimd_idct_2x2_sse2 (void * dct_table, JCOEFPTR coef_block, -; JSAMPARRAY output_buf, JDIMENSION output_col) -; - -%define dct_table(b) (b)+8 ; void * dct_table -%define coef_block(b) (b)+12 ; JCOEFPTR coef_block -%define output_buf(b) (b)+16 ; JSAMPARRAY output_buf -%define output_col(b) (b)+20 ; JDIMENSION output_col - - align 16 - global EXTN(jsimd_idct_2x2_sse2) - -EXTN(jsimd_idct_2x2_sse2): - push ebp - mov ebp,esp - push ebx -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - get_GOT ebx ; get GOT address - - ; ---- Pass 1: process columns from input. - - mov edx, POINTER [dct_table(ebp)] ; quantptr - mov esi, JCOEFPTR [coef_block(ebp)] ; inptr - - ; | input: | result: | - ; | 00 01 ** 03 ** 05 ** 07 | | - ; | 10 11 ** 13 ** 15 ** 17 | | - ; | ** ** ** ** ** ** ** ** | | - ; | 30 31 ** 33 ** 35 ** 37 | A0 A1 A3 A5 A7 | - ; | ** ** ** ** ** ** ** ** | B0 B1 B3 B5 B7 | - ; | 50 51 ** 53 ** 55 ** 57 | | - ; | ** ** ** ** ** ** ** ** | | - ; | 70 71 ** 73 ** 75 ** 77 | | - - ; -- Odd part - - movdqa xmm0, XMMWORD [XMMBLOCK(1,0,esi,SIZEOF_JCOEF)] - movdqa xmm1, XMMWORD [XMMBLOCK(3,0,esi,SIZEOF_JCOEF)] - pmullw xmm0, XMMWORD [XMMBLOCK(1,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - pmullw xmm1, XMMWORD [XMMBLOCK(3,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - movdqa xmm2, XMMWORD [XMMBLOCK(5,0,esi,SIZEOF_JCOEF)] - movdqa xmm3, XMMWORD [XMMBLOCK(7,0,esi,SIZEOF_JCOEF)] - pmullw xmm2, XMMWORD [XMMBLOCK(5,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - pmullw xmm3, XMMWORD [XMMBLOCK(7,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - - ; xmm0=(10 11 ** 13 ** 15 ** 17), xmm1=(30 31 ** 33 ** 35 ** 37) - ; xmm2=(50 51 ** 53 ** 55 ** 57), xmm3=(70 71 ** 73 ** 75 ** 77) - - pcmpeqd xmm7,xmm7 - pslld xmm7,WORD_BIT ; xmm7={0x0000 0xFFFF 0x0000 0xFFFF ..} - - movdqa xmm4,xmm0 ; xmm4=(10 11 ** 13 ** 15 ** 17) - movdqa xmm5,xmm2 ; xmm5=(50 51 ** 53 ** 55 ** 57) - punpcklwd xmm4,xmm1 ; xmm4=(10 30 11 31 ** ** 13 33) - punpcklwd xmm5,xmm3 ; xmm5=(50 70 51 71 ** ** 53 73) - pmaddwd xmm4,[GOTOFF(ebx,PW_F362_MF127)] - pmaddwd xmm5,[GOTOFF(ebx,PW_F085_MF072)] - - psrld xmm0,WORD_BIT ; xmm0=(11 -- 13 -- 15 -- 17 --) - pand xmm1,xmm7 ; xmm1=(-- 31 -- 33 -- 35 -- 37) - psrld xmm2,WORD_BIT ; xmm2=(51 -- 53 -- 55 -- 57 --) - pand xmm3,xmm7 ; xmm3=(-- 71 -- 73 -- 75 -- 77) - por xmm0,xmm1 ; xmm0=(11 31 13 33 15 35 17 37) - por xmm2,xmm3 ; xmm2=(51 71 53 73 55 75 57 77) - pmaddwd xmm0,[GOTOFF(ebx,PW_F362_MF127)] - pmaddwd xmm2,[GOTOFF(ebx,PW_F085_MF072)] - - paddd xmm4,xmm5 ; xmm4=tmp0[col0 col1 **** col3] - paddd xmm0,xmm2 ; xmm0=tmp0[col1 col3 col5 col7] - - ; -- Even part - - movdqa xmm6, XMMWORD [XMMBLOCK(0,0,esi,SIZEOF_JCOEF)] - pmullw xmm6, XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_ISLOW_MULT_TYPE)] - - ; xmm6=(00 01 ** 03 ** 05 ** 07) - - movdqa xmm1,xmm6 ; xmm1=(00 01 ** 03 ** 05 ** 07) - pslld xmm6,WORD_BIT ; xmm6=(-- 00 -- ** -- ** -- **) - pand xmm1,xmm7 ; xmm1=(-- 01 -- 03 -- 05 -- 07) - psrad xmm6,(WORD_BIT-CONST_BITS-2) ; xmm6=tmp10[col0 **** **** ****] - psrad xmm1,(WORD_BIT-CONST_BITS-2) ; xmm1=tmp10[col1 col3 col5 col7] - - ; -- Final output stage - - movdqa xmm3,xmm6 - movdqa xmm5,xmm1 - paddd xmm6,xmm4 ; xmm6=data0[col0 **** **** ****]=(A0 ** ** **) - paddd xmm1,xmm0 ; xmm1=data0[col1 col3 col5 col7]=(A1 A3 A5 A7) - psubd xmm3,xmm4 ; xmm3=data1[col0 **** **** ****]=(B0 ** ** **) - psubd xmm5,xmm0 ; xmm5=data1[col1 col3 col5 col7]=(B1 B3 B5 B7) - - movdqa xmm2,[GOTOFF(ebx,PD_DESCALE_P1_2)] ; xmm2=[PD_DESCALE_P1_2] - - punpckldq xmm6,xmm3 ; xmm6=(A0 B0 ** **) - - movdqa xmm7,xmm1 - punpcklqdq xmm1,xmm5 ; xmm1=(A1 A3 B1 B3) - punpckhqdq xmm7,xmm5 ; xmm7=(A5 A7 B5 B7) - - paddd xmm6,xmm2 - psrad xmm6,DESCALE_P1_2 - - paddd xmm1,xmm2 - paddd xmm7,xmm2 - psrad xmm1,DESCALE_P1_2 - psrad xmm7,DESCALE_P1_2 - - ; -- Prefetch the next coefficient block - - prefetchnta [esi + DCTSIZE2*SIZEOF_JCOEF + 0*32] - prefetchnta [esi + DCTSIZE2*SIZEOF_JCOEF + 1*32] - prefetchnta [esi + DCTSIZE2*SIZEOF_JCOEF + 2*32] - prefetchnta [esi + DCTSIZE2*SIZEOF_JCOEF + 3*32] - - ; ---- Pass 2: process rows, store into output array. - - mov edi, JSAMPARRAY [output_buf(ebp)] ; (JSAMPROW *) - mov eax, JDIMENSION [output_col(ebp)] - - ; | input:| result:| - ; | A0 B0 | | - ; | A1 B1 | C0 C1 | - ; | A3 B3 | D0 D1 | - ; | A5 B5 | | - ; | A7 B7 | | - - ; -- Odd part - - packssdw xmm1,xmm1 ; xmm1=(A1 A3 B1 B3 A1 A3 B1 B3) - packssdw xmm7,xmm7 ; xmm7=(A5 A7 B5 B7 A5 A7 B5 B7) - pmaddwd xmm1,[GOTOFF(ebx,PW_F362_MF127)] - pmaddwd xmm7,[GOTOFF(ebx,PW_F085_MF072)] - - paddd xmm1,xmm7 ; xmm1=tmp0[row0 row1 row0 row1] - - ; -- Even part - - pslld xmm6,(CONST_BITS+2) ; xmm6=tmp10[row0 row1 **** ****] - - ; -- Final output stage - - movdqa xmm4,xmm6 - paddd xmm6,xmm1 ; xmm6=data0[row0 row1 **** ****]=(C0 C1 ** **) - psubd xmm4,xmm1 ; xmm4=data1[row0 row1 **** ****]=(D0 D1 ** **) - - punpckldq xmm6,xmm4 ; xmm6=(C0 D0 C1 D1) - - paddd xmm6,[GOTOFF(ebx,PD_DESCALE_P2_2)] - psrad xmm6,DESCALE_P2_2 - - packssdw xmm6,xmm6 ; xmm6=(C0 D0 C1 D1 C0 D0 C1 D1) - packsswb xmm6,xmm6 ; xmm6=(C0 D0 C1 D1 C0 D0 C1 D1 ..) - paddb xmm6,[GOTOFF(ebx,PB_CENTERJSAMP)] - - pextrw ebx,xmm6,0x00 ; ebx=(C0 D0 -- --) - pextrw ecx,xmm6,0x01 ; ecx=(C1 D1 -- --) - - mov edx, JSAMPROW [edi+0*SIZEOF_JSAMPROW] - mov esi, JSAMPROW [edi+1*SIZEOF_JSAMPROW] - mov WORD [edx+eax*SIZEOF_JSAMPLE], bx - mov WORD [esi+eax*SIZEOF_JSAMPLE], cx - - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved - pop ebx - pop ebp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jisseflt.asm b/common/jpeg/simd/jisseflt.asm deleted file mode 100644 index d6147c12..00000000 --- a/common/jpeg/simd/jisseflt.asm +++ /dev/null @@ -1,572 +0,0 @@ -; -; jisseflt.asm - floating-point IDCT (SSE & MMX) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; This file contains a floating-point implementation of the inverse DCT -; (Discrete Cosine Transform). The following code is based directly on -; the IJG's original jidctflt.c; see the jidctflt.c for more details. -; -; [TAB8] - -%include "jsimdext.inc" -%include "jdct.inc" - -; -------------------------------------------------------------------------- - -%macro unpcklps2 2 ; %1=(0 1 2 3) / %2=(4 5 6 7) => %1=(0 1 4 5) - shufps %1,%2,0x44 -%endmacro - -%macro unpckhps2 2 ; %1=(0 1 2 3) / %2=(4 5 6 7) => %1=(2 3 6 7) - shufps %1,%2,0xEE -%endmacro - -; -------------------------------------------------------------------------- - SECTION SEG_CONST - - alignz 16 - global EXTN(jconst_idct_float_sse) - -EXTN(jconst_idct_float_sse): - -PD_1_414 times 4 dd 1.414213562373095048801689 -PD_1_847 times 4 dd 1.847759065022573512256366 -PD_1_082 times 4 dd 1.082392200292393968799446 -PD_M2_613 times 4 dd -2.613125929752753055713286 -PD_0_125 times 4 dd 0.125 ; 1/8 -PB_CENTERJSAMP times 8 db CENTERJSAMPLE - - alignz 16 - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 32 -; -; Perform dequantization and inverse DCT on one block of coefficients. -; -; GLOBAL(void) -; jsimd_idct_float_sse (void * dct_table, JCOEFPTR coef_block, -; JSAMPARRAY output_buf, JDIMENSION output_col) -; - -%define dct_table(b) (b)+8 ; void * dct_table -%define coef_block(b) (b)+12 ; JCOEFPTR coef_block -%define output_buf(b) (b)+16 ; JSAMPARRAY output_buf -%define output_col(b) (b)+20 ; JDIMENSION output_col - -%define original_ebp ebp+0 -%define wk(i) ebp-(WK_NUM-(i))*SIZEOF_XMMWORD ; xmmword wk[WK_NUM] -%define WK_NUM 2 -%define workspace wk(0)-DCTSIZE2*SIZEOF_FAST_FLOAT - ; FAST_FLOAT workspace[DCTSIZE2] - - align 16 - global EXTN(jsimd_idct_float_sse) - -EXTN(jsimd_idct_float_sse): - push ebp - mov eax,esp ; eax = original ebp - sub esp, byte 4 - and esp, byte (-SIZEOF_XMMWORD) ; align to 128 bits - mov [esp],eax - mov ebp,esp ; ebp = aligned ebp - lea esp, [workspace] - push ebx -; push ecx ; need not be preserved -; push edx ; need not be preserved - push esi - push edi - - get_GOT ebx ; get GOT address - - ; ---- Pass 1: process columns from input, store into work array. - -; mov eax, [original_ebp] - mov edx, POINTER [dct_table(eax)] ; quantptr - mov esi, JCOEFPTR [coef_block(eax)] ; inptr - lea edi, [workspace] ; FAST_FLOAT * wsptr - mov ecx, DCTSIZE/4 ; ctr - alignx 16,7 -.columnloop: -%ifndef NO_ZERO_COLUMN_TEST_FLOAT_SSE - mov eax, DWORD [DWBLOCK(1,0,esi,SIZEOF_JCOEF)] - or eax, DWORD [DWBLOCK(2,0,esi,SIZEOF_JCOEF)] - jnz near .columnDCT - - movq mm0, MMWORD [MMBLOCK(1,0,esi,SIZEOF_JCOEF)] - movq mm1, MMWORD [MMBLOCK(2,0,esi,SIZEOF_JCOEF)] - por mm0, MMWORD [MMBLOCK(3,0,esi,SIZEOF_JCOEF)] - por mm1, MMWORD [MMBLOCK(4,0,esi,SIZEOF_JCOEF)] - por mm0, MMWORD [MMBLOCK(5,0,esi,SIZEOF_JCOEF)] - por mm1, MMWORD [MMBLOCK(6,0,esi,SIZEOF_JCOEF)] - por mm0, MMWORD [MMBLOCK(7,0,esi,SIZEOF_JCOEF)] - por mm1,mm0 - packsswb mm1,mm1 - movd eax,mm1 - test eax,eax - jnz short .columnDCT - - ; -- AC terms all zero - - movq mm0, MMWORD [MMBLOCK(0,0,esi,SIZEOF_JCOEF)] - - punpckhwd mm1,mm0 ; mm1=(** 02 ** 03) - punpcklwd mm0,mm0 ; mm0=(00 00 01 01) - psrad mm1,(DWORD_BIT-WORD_BIT) ; mm1=in0H=(02 03) - psrad mm0,(DWORD_BIT-WORD_BIT) ; mm0=in0L=(00 01) - cvtpi2ps xmm3,mm1 ; xmm3=(02 03 ** **) - cvtpi2ps xmm0,mm0 ; xmm0=(00 01 ** **) - movlhps xmm0,xmm3 ; xmm0=in0=(00 01 02 03) - - mulps xmm0, XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_FLOAT_MULT_TYPE)] - - movaps xmm1,xmm0 - movaps xmm2,xmm0 - movaps xmm3,xmm0 - - shufps xmm0,xmm0,0x00 ; xmm0=(00 00 00 00) - shufps xmm1,xmm1,0x55 ; xmm1=(01 01 01 01) - shufps xmm2,xmm2,0xAA ; xmm2=(02 02 02 02) - shufps xmm3,xmm3,0xFF ; xmm3=(03 03 03 03) - - movaps XMMWORD [XMMBLOCK(0,0,edi,SIZEOF_FAST_FLOAT)], xmm0 - movaps XMMWORD [XMMBLOCK(0,1,edi,SIZEOF_FAST_FLOAT)], xmm0 - movaps XMMWORD [XMMBLOCK(1,0,edi,SIZEOF_FAST_FLOAT)], xmm1 - movaps XMMWORD [XMMBLOCK(1,1,edi,SIZEOF_FAST_FLOAT)], xmm1 - movaps XMMWORD [XMMBLOCK(2,0,edi,SIZEOF_FAST_FLOAT)], xmm2 - movaps XMMWORD [XMMBLOCK(2,1,edi,SIZEOF_FAST_FLOAT)], xmm2 - movaps XMMWORD [XMMBLOCK(3,0,edi,SIZEOF_FAST_FLOAT)], xmm3 - movaps XMMWORD [XMMBLOCK(3,1,edi,SIZEOF_FAST_FLOAT)], xmm3 - jmp near .nextcolumn - alignx 16,7 -%endif -.columnDCT: - - ; -- Even part - - movq mm0, MMWORD [MMBLOCK(0,0,esi,SIZEOF_JCOEF)] - movq mm1, MMWORD [MMBLOCK(2,0,esi,SIZEOF_JCOEF)] - movq mm2, MMWORD [MMBLOCK(4,0,esi,SIZEOF_JCOEF)] - movq mm3, MMWORD [MMBLOCK(6,0,esi,SIZEOF_JCOEF)] - - punpckhwd mm4,mm0 ; mm4=(** 02 ** 03) - punpcklwd mm0,mm0 ; mm0=(00 00 01 01) - punpckhwd mm5,mm1 ; mm5=(** 22 ** 23) - punpcklwd mm1,mm1 ; mm1=(20 20 21 21) - - psrad mm4,(DWORD_BIT-WORD_BIT) ; mm4=in0H=(02 03) - psrad mm0,(DWORD_BIT-WORD_BIT) ; mm0=in0L=(00 01) - cvtpi2ps xmm4,mm4 ; xmm4=(02 03 ** **) - cvtpi2ps xmm0,mm0 ; xmm0=(00 01 ** **) - psrad mm5,(DWORD_BIT-WORD_BIT) ; mm5=in2H=(22 23) - psrad mm1,(DWORD_BIT-WORD_BIT) ; mm1=in2L=(20 21) - cvtpi2ps xmm5,mm5 ; xmm5=(22 23 ** **) - cvtpi2ps xmm1,mm1 ; xmm1=(20 21 ** **) - - punpckhwd mm6,mm2 ; mm6=(** 42 ** 43) - punpcklwd mm2,mm2 ; mm2=(40 40 41 41) - punpckhwd mm7,mm3 ; mm7=(** 62 ** 63) - punpcklwd mm3,mm3 ; mm3=(60 60 61 61) - - psrad mm6,(DWORD_BIT-WORD_BIT) ; mm6=in4H=(42 43) - psrad mm2,(DWORD_BIT-WORD_BIT) ; mm2=in4L=(40 41) - cvtpi2ps xmm6,mm6 ; xmm6=(42 43 ** **) - cvtpi2ps xmm2,mm2 ; xmm2=(40 41 ** **) - psrad mm7,(DWORD_BIT-WORD_BIT) ; mm7=in6H=(62 63) - psrad mm3,(DWORD_BIT-WORD_BIT) ; mm3=in6L=(60 61) - cvtpi2ps xmm7,mm7 ; xmm7=(62 63 ** **) - cvtpi2ps xmm3,mm3 ; xmm3=(60 61 ** **) - - movlhps xmm0,xmm4 ; xmm0=in0=(00 01 02 03) - movlhps xmm1,xmm5 ; xmm1=in2=(20 21 22 23) - mulps xmm0, XMMWORD [XMMBLOCK(0,0,edx,SIZEOF_FLOAT_MULT_TYPE)] - mulps xmm1, XMMWORD [XMMBLOCK(2,0,edx,SIZEOF_FLOAT_MULT_TYPE)] - - movlhps xmm2,xmm6 ; xmm2=in4=(40 41 42 43) - movlhps xmm3,xmm7 ; xmm3=in6=(60 61 62 63) - mulps xmm2, XMMWORD [XMMBLOCK(4,0,edx,SIZEOF_FLOAT_MULT_TYPE)] - mulps xmm3, XMMWORD [XMMBLOCK(6,0,edx,SIZEOF_FLOAT_MULT_TYPE)] - - movaps xmm4,xmm0 - movaps xmm5,xmm1 - subps xmm0,xmm2 ; xmm0=tmp11 - subps xmm1,xmm3 - addps xmm4,xmm2 ; xmm4=tmp10 - addps xmm5,xmm3 ; xmm5=tmp13 - - mulps xmm1,[GOTOFF(ebx,PD_1_414)] - subps xmm1,xmm5 ; xmm1=tmp12 - - movaps xmm6,xmm4 - movaps xmm7,xmm0 - subps xmm4,xmm5 ; xmm4=tmp3 - subps xmm0,xmm1 ; xmm0=tmp2 - addps xmm6,xmm5 ; xmm6=tmp0 - addps xmm7,xmm1 ; xmm7=tmp1 - - movaps XMMWORD [wk(1)], xmm4 ; tmp3 - movaps XMMWORD [wk(0)], xmm0 ; tmp2 - - ; -- Odd part - - movq mm4, MMWORD [MMBLOCK(1,0,esi,SIZEOF_JCOEF)] - movq mm0, MMWORD [MMBLOCK(3,0,esi,SIZEOF_JCOEF)] - movq mm5, MMWORD [MMBLOCK(5,0,esi,SIZEOF_JCOEF)] - movq mm1, MMWORD [MMBLOCK(7,0,esi,SIZEOF_JCOEF)] - - punpckhwd mm6,mm4 ; mm6=(** 12 ** 13) - punpcklwd mm4,mm4 ; mm4=(10 10 11 11) - punpckhwd mm2,mm0 ; mm2=(** 32 ** 33) - punpcklwd mm0,mm0 ; mm0=(30 30 31 31) - - psrad mm6,(DWORD_BIT-WORD_BIT) ; mm6=in1H=(12 13) - psrad mm4,(DWORD_BIT-WORD_BIT) ; mm4=in1L=(10 11) - cvtpi2ps xmm4,mm6 ; xmm4=(12 13 ** **) - cvtpi2ps xmm2,mm4 ; xmm2=(10 11 ** **) - psrad mm2,(DWORD_BIT-WORD_BIT) ; mm2=in3H=(32 33) - psrad mm0,(DWORD_BIT-WORD_BIT) ; mm0=in3L=(30 31) - cvtpi2ps xmm0,mm2 ; xmm0=(32 33 ** **) - cvtpi2ps xmm3,mm0 ; xmm3=(30 31 ** **) - - punpckhwd mm7,mm5 ; mm7=(** 52 ** 53) - punpcklwd mm5,mm5 ; mm5=(50 50 51 51) - punpckhwd mm3,mm1 ; mm3=(** 72 ** 73) - punpcklwd mm1,mm1 ; mm1=(70 70 71 71) - - movlhps xmm2,xmm4 ; xmm2=in1=(10 11 12 13) - movlhps xmm3,xmm0 ; xmm3=in3=(30 31 32 33) - - psrad mm7,(DWORD_BIT-WORD_BIT) ; mm7=in5H=(52 53) - psrad mm5,(DWORD_BIT-WORD_BIT) ; mm5=in5L=(50 51) - cvtpi2ps xmm4,mm7 ; xmm4=(52 53 ** **) - cvtpi2ps xmm5,mm5 ; xmm5=(50 51 ** **) - psrad mm3,(DWORD_BIT-WORD_BIT) ; mm3=in7H=(72 73) - psrad mm1,(DWORD_BIT-WORD_BIT) ; mm1=in7L=(70 71) - cvtpi2ps xmm0,mm3 ; xmm0=(72 73 ** **) - cvtpi2ps xmm1,mm1 ; xmm1=(70 71 ** **) - - mulps xmm2, XMMWORD [XMMBLOCK(1,0,edx,SIZEOF_FLOAT_MULT_TYPE)] - mulps xmm3, XMMWORD [XMMBLOCK(3,0,edx,SIZEOF_FLOAT_MULT_TYPE)] - - movlhps xmm5,xmm4 ; xmm5=in5=(50 51 52 53) - movlhps xmm1,xmm0 ; xmm1=in7=(70 71 72 73) - mulps xmm5, XMMWORD [XMMBLOCK(5,0,edx,SIZEOF_FLOAT_MULT_TYPE)] - mulps xmm1, XMMWORD [XMMBLOCK(7,0,edx,SIZEOF_FLOAT_MULT_TYPE)] - - movaps xmm4,xmm2 - movaps xmm0,xmm5 - addps xmm2,xmm1 ; xmm2=z11 - addps xmm5,xmm3 ; xmm5=z13 - subps xmm4,xmm1 ; xmm4=z12 - subps xmm0,xmm3 ; xmm0=z10 - - movaps xmm1,xmm2 - subps xmm2,xmm5 - addps xmm1,xmm5 ; xmm1=tmp7 - - mulps xmm2,[GOTOFF(ebx,PD_1_414)] ; xmm2=tmp11 - - movaps xmm3,xmm0 - addps xmm0,xmm4 - mulps xmm0,[GOTOFF(ebx,PD_1_847)] ; xmm0=z5 - mulps xmm3,[GOTOFF(ebx,PD_M2_613)] ; xmm3=(z10 * -2.613125930) - mulps xmm4,[GOTOFF(ebx,PD_1_082)] ; xmm4=(z12 * 1.082392200) - addps xmm3,xmm0 ; xmm3=tmp12 - subps xmm4,xmm0 ; xmm4=tmp10 - - ; -- Final output stage - - subps xmm3,xmm1 ; xmm3=tmp6 - movaps xmm5,xmm6 - movaps xmm0,xmm7 - addps xmm6,xmm1 ; xmm6=data0=(00 01 02 03) - addps xmm7,xmm3 ; xmm7=data1=(10 11 12 13) - subps xmm5,xmm1 ; xmm5=data7=(70 71 72 73) - subps xmm0,xmm3 ; xmm0=data6=(60 61 62 63) - subps xmm2,xmm3 ; xmm2=tmp5 - - movaps xmm1,xmm6 ; transpose coefficients(phase 1) - unpcklps xmm6,xmm7 ; xmm6=(00 10 01 11) - unpckhps xmm1,xmm7 ; xmm1=(02 12 03 13) - movaps xmm3,xmm0 ; transpose coefficients(phase 1) - unpcklps xmm0,xmm5 ; xmm0=(60 70 61 71) - unpckhps xmm3,xmm5 ; xmm3=(62 72 63 73) - - movaps xmm7, XMMWORD [wk(0)] ; xmm7=tmp2 - movaps xmm5, XMMWORD [wk(1)] ; xmm5=tmp3 - - movaps XMMWORD [wk(0)], xmm0 ; wk(0)=(60 70 61 71) - movaps XMMWORD [wk(1)], xmm3 ; wk(1)=(62 72 63 73) - - addps xmm4,xmm2 ; xmm4=tmp4 - movaps xmm0,xmm7 - movaps xmm3,xmm5 - addps xmm7,xmm2 ; xmm7=data2=(20 21 22 23) - addps xmm5,xmm4 ; xmm5=data4=(40 41 42 43) - subps xmm0,xmm2 ; xmm0=data5=(50 51 52 53) - subps xmm3,xmm4 ; xmm3=data3=(30 31 32 33) - - movaps xmm2,xmm7 ; transpose coefficients(phase 1) - unpcklps xmm7,xmm3 ; xmm7=(20 30 21 31) - unpckhps xmm2,xmm3 ; xmm2=(22 32 23 33) - movaps xmm4,xmm5 ; transpose coefficients(phase 1) - unpcklps xmm5,xmm0 ; xmm5=(40 50 41 51) - unpckhps xmm4,xmm0 ; xmm4=(42 52 43 53) - - movaps xmm3,xmm6 ; transpose coefficients(phase 2) - unpcklps2 xmm6,xmm7 ; xmm6=(00 10 20 30) - unpckhps2 xmm3,xmm7 ; xmm3=(01 11 21 31) - movaps xmm0,xmm1 ; transpose coefficients(phase 2) - unpcklps2 xmm1,xmm2 ; xmm1=(02 12 22 32) - unpckhps2 xmm0,xmm2 ; xmm0=(03 13 23 33) - - movaps xmm7, XMMWORD [wk(0)] ; xmm7=(60 70 61 71) - movaps xmm2, XMMWORD [wk(1)] ; xmm2=(62 72 63 73) - - movaps XMMWORD [XMMBLOCK(0,0,edi,SIZEOF_FAST_FLOAT)], xmm6 - movaps XMMWORD [XMMBLOCK(1,0,edi,SIZEOF_FAST_FLOAT)], xmm3 - movaps XMMWORD [XMMBLOCK(2,0,edi,SIZEOF_FAST_FLOAT)], xmm1 - movaps XMMWORD [XMMBLOCK(3,0,edi,SIZEOF_FAST_FLOAT)], xmm0 - - movaps xmm6,xmm5 ; transpose coefficients(phase 2) - unpcklps2 xmm5,xmm7 ; xmm5=(40 50 60 70) - unpckhps2 xmm6,xmm7 ; xmm6=(41 51 61 71) - movaps xmm3,xmm4 ; transpose coefficients(phase 2) - unpcklps2 xmm4,xmm2 ; xmm4=(42 52 62 72) - unpckhps2 xmm3,xmm2 ; xmm3=(43 53 63 73) - - movaps XMMWORD [XMMBLOCK(0,1,edi,SIZEOF_FAST_FLOAT)], xmm5 - movaps XMMWORD [XMMBLOCK(1,1,edi,SIZEOF_FAST_FLOAT)], xmm6 - movaps XMMWORD [XMMBLOCK(2,1,edi,SIZEOF_FAST_FLOAT)], xmm4 - movaps XMMWORD [XMMBLOCK(3,1,edi,SIZEOF_FAST_FLOAT)], xmm3 - -.nextcolumn: - add esi, byte 4*SIZEOF_JCOEF ; coef_block - add edx, byte 4*SIZEOF_FLOAT_MULT_TYPE ; quantptr - add edi, 4*DCTSIZE*SIZEOF_FAST_FLOAT ; wsptr - dec ecx ; ctr - jnz near .columnloop - - ; -- Prefetch the next coefficient block - - prefetchnta [esi + (DCTSIZE2-8)*SIZEOF_JCOEF + 0*32] - prefetchnta [esi + (DCTSIZE2-8)*SIZEOF_JCOEF + 1*32] - prefetchnta [esi + (DCTSIZE2-8)*SIZEOF_JCOEF + 2*32] - prefetchnta [esi + (DCTSIZE2-8)*SIZEOF_JCOEF + 3*32] - - ; ---- Pass 2: process rows from work array, store into output array. - - mov eax, [original_ebp] - lea esi, [workspace] ; FAST_FLOAT * wsptr - mov edi, JSAMPARRAY [output_buf(eax)] ; (JSAMPROW *) - mov eax, JDIMENSION [output_col(eax)] - mov ecx, DCTSIZE/4 ; ctr - alignx 16,7 -.rowloop: - - ; -- Even part - - movaps xmm0, XMMWORD [XMMBLOCK(0,0,esi,SIZEOF_FAST_FLOAT)] - movaps xmm1, XMMWORD [XMMBLOCK(2,0,esi,SIZEOF_FAST_FLOAT)] - movaps xmm2, XMMWORD [XMMBLOCK(4,0,esi,SIZEOF_FAST_FLOAT)] - movaps xmm3, XMMWORD [XMMBLOCK(6,0,esi,SIZEOF_FAST_FLOAT)] - - movaps xmm4,xmm0 - movaps xmm5,xmm1 - subps xmm0,xmm2 ; xmm0=tmp11 - subps xmm1,xmm3 - addps xmm4,xmm2 ; xmm4=tmp10 - addps xmm5,xmm3 ; xmm5=tmp13 - - mulps xmm1,[GOTOFF(ebx,PD_1_414)] - subps xmm1,xmm5 ; xmm1=tmp12 - - movaps xmm6,xmm4 - movaps xmm7,xmm0 - subps xmm4,xmm5 ; xmm4=tmp3 - subps xmm0,xmm1 ; xmm0=tmp2 - addps xmm6,xmm5 ; xmm6=tmp0 - addps xmm7,xmm1 ; xmm7=tmp1 - - movaps XMMWORD [wk(1)], xmm4 ; tmp3 - movaps XMMWORD [wk(0)], xmm0 ; tmp2 - - ; -- Odd part - - movaps xmm2, XMMWORD [XMMBLOCK(1,0,esi,SIZEOF_FAST_FLOAT)] - movaps xmm3, XMMWORD [XMMBLOCK(3,0,esi,SIZEOF_FAST_FLOAT)] - movaps xmm5, XMMWORD [XMMBLOCK(5,0,esi,SIZEOF_FAST_FLOAT)] - movaps xmm1, XMMWORD [XMMBLOCK(7,0,esi,SIZEOF_FAST_FLOAT)] - - movaps xmm4,xmm2 - movaps xmm0,xmm5 - addps xmm2,xmm1 ; xmm2=z11 - addps xmm5,xmm3 ; xmm5=z13 - subps xmm4,xmm1 ; xmm4=z12 - subps xmm0,xmm3 ; xmm0=z10 - - movaps xmm1,xmm2 - subps xmm2,xmm5 - addps xmm1,xmm5 ; xmm1=tmp7 - - mulps xmm2,[GOTOFF(ebx,PD_1_414)] ; xmm2=tmp11 - - movaps xmm3,xmm0 - addps xmm0,xmm4 - mulps xmm0,[GOTOFF(ebx,PD_1_847)] ; xmm0=z5 - mulps xmm3,[GOTOFF(ebx,PD_M2_613)] ; xmm3=(z10 * -2.613125930) - mulps xmm4,[GOTOFF(ebx,PD_1_082)] ; xmm4=(z12 * 1.082392200) - addps xmm3,xmm0 ; xmm3=tmp12 - subps xmm4,xmm0 ; xmm4=tmp10 - - ; -- Final output stage - - subps xmm3,xmm1 ; xmm3=tmp6 - movaps xmm5,xmm6 - movaps xmm0,xmm7 - addps xmm6,xmm1 ; xmm6=data0=(00 10 20 30) - addps xmm7,xmm3 ; xmm7=data1=(01 11 21 31) - subps xmm5,xmm1 ; xmm5=data7=(07 17 27 37) - subps xmm0,xmm3 ; xmm0=data6=(06 16 26 36) - subps xmm2,xmm3 ; xmm2=tmp5 - - movaps xmm1,[GOTOFF(ebx,PD_0_125)] ; xmm1=[PD_0_125] - - mulps xmm6,xmm1 ; descale(1/8) - mulps xmm7,xmm1 ; descale(1/8) - mulps xmm5,xmm1 ; descale(1/8) - mulps xmm0,xmm1 ; descale(1/8) - - movhlps xmm3,xmm6 - movhlps xmm1,xmm7 - cvtps2pi mm0,xmm6 ; round to int32, mm0=data0L=(00 10) - cvtps2pi mm1,xmm7 ; round to int32, mm1=data1L=(01 11) - cvtps2pi mm2,xmm3 ; round to int32, mm2=data0H=(20 30) - cvtps2pi mm3,xmm1 ; round to int32, mm3=data1H=(21 31) - packssdw mm0,mm2 ; mm0=data0=(00 10 20 30) - packssdw mm1,mm3 ; mm1=data1=(01 11 21 31) - - movhlps xmm6,xmm5 - movhlps xmm7,xmm0 - cvtps2pi mm4,xmm5 ; round to int32, mm4=data7L=(07 17) - cvtps2pi mm5,xmm0 ; round to int32, mm5=data6L=(06 16) - cvtps2pi mm6,xmm6 ; round to int32, mm6=data7H=(27 37) - cvtps2pi mm7,xmm7 ; round to int32, mm7=data6H=(26 36) - packssdw mm4,mm6 ; mm4=data7=(07 17 27 37) - packssdw mm5,mm7 ; mm5=data6=(06 16 26 36) - - packsswb mm0,mm5 ; mm0=(00 10 20 30 06 16 26 36) - packsswb mm1,mm4 ; mm1=(01 11 21 31 07 17 27 37) - - movaps xmm3, XMMWORD [wk(0)] ; xmm3=tmp2 - movaps xmm1, XMMWORD [wk(1)] ; xmm1=tmp3 - - movaps xmm6,[GOTOFF(ebx,PD_0_125)] ; xmm6=[PD_0_125] - - addps xmm4,xmm2 ; xmm4=tmp4 - movaps xmm5,xmm3 - movaps xmm0,xmm1 - addps xmm3,xmm2 ; xmm3=data2=(02 12 22 32) - addps xmm1,xmm4 ; xmm1=data4=(04 14 24 34) - subps xmm5,xmm2 ; xmm5=data5=(05 15 25 35) - subps xmm0,xmm4 ; xmm0=data3=(03 13 23 33) - - mulps xmm3,xmm6 ; descale(1/8) - mulps xmm1,xmm6 ; descale(1/8) - mulps xmm5,xmm6 ; descale(1/8) - mulps xmm0,xmm6 ; descale(1/8) - - movhlps xmm7,xmm3 - movhlps xmm2,xmm1 - cvtps2pi mm2,xmm3 ; round to int32, mm2=data2L=(02 12) - cvtps2pi mm3,xmm1 ; round to int32, mm3=data4L=(04 14) - cvtps2pi mm6,xmm7 ; round to int32, mm6=data2H=(22 32) - cvtps2pi mm7,xmm2 ; round to int32, mm7=data4H=(24 34) - packssdw mm2,mm6 ; mm2=data2=(02 12 22 32) - packssdw mm3,mm7 ; mm3=data4=(04 14 24 34) - - movhlps xmm4,xmm5 - movhlps xmm6,xmm0 - cvtps2pi mm5,xmm5 ; round to int32, mm5=data5L=(05 15) - cvtps2pi mm4,xmm0 ; round to int32, mm4=data3L=(03 13) - cvtps2pi mm6,xmm4 ; round to int32, mm6=data5H=(25 35) - cvtps2pi mm7,xmm6 ; round to int32, mm7=data3H=(23 33) - packssdw mm5,mm6 ; mm5=data5=(05 15 25 35) - packssdw mm4,mm7 ; mm4=data3=(03 13 23 33) - - movq mm6,[GOTOFF(ebx,PB_CENTERJSAMP)] ; mm6=[PB_CENTERJSAMP] - - packsswb mm2,mm3 ; mm2=(02 12 22 32 04 14 24 34) - packsswb mm4,mm5 ; mm4=(03 13 23 33 05 15 25 35) - - paddb mm0,mm6 - paddb mm1,mm6 - paddb mm2,mm6 - paddb mm4,mm6 - - movq mm7,mm0 ; transpose coefficients(phase 1) - punpcklbw mm0,mm1 ; mm0=(00 01 10 11 20 21 30 31) - punpckhbw mm7,mm1 ; mm7=(06 07 16 17 26 27 36 37) - movq mm3,mm2 ; transpose coefficients(phase 1) - punpcklbw mm2,mm4 ; mm2=(02 03 12 13 22 23 32 33) - punpckhbw mm3,mm4 ; mm3=(04 05 14 15 24 25 34 35) - - movq mm5,mm0 ; transpose coefficients(phase 2) - punpcklwd mm0,mm2 ; mm0=(00 01 02 03 10 11 12 13) - punpckhwd mm5,mm2 ; mm5=(20 21 22 23 30 31 32 33) - movq mm6,mm3 ; transpose coefficients(phase 2) - punpcklwd mm3,mm7 ; mm3=(04 05 06 07 14 15 16 17) - punpckhwd mm6,mm7 ; mm6=(24 25 26 27 34 35 36 37) - - movq mm1,mm0 ; transpose coefficients(phase 3) - punpckldq mm0,mm3 ; mm0=(00 01 02 03 04 05 06 07) - punpckhdq mm1,mm3 ; mm1=(10 11 12 13 14 15 16 17) - movq mm4,mm5 ; transpose coefficients(phase 3) - punpckldq mm5,mm6 ; mm5=(20 21 22 23 24 25 26 27) - punpckhdq mm4,mm6 ; mm4=(30 31 32 33 34 35 36 37) - - pushpic ebx ; save GOT address - - mov edx, JSAMPROW [edi+0*SIZEOF_JSAMPROW] - mov ebx, JSAMPROW [edi+1*SIZEOF_JSAMPROW] - movq MMWORD [edx+eax*SIZEOF_JSAMPLE], mm0 - movq MMWORD [ebx+eax*SIZEOF_JSAMPLE], mm1 - mov edx, JSAMPROW [edi+2*SIZEOF_JSAMPROW] - mov ebx, JSAMPROW [edi+3*SIZEOF_JSAMPROW] - movq MMWORD [edx+eax*SIZEOF_JSAMPLE], mm5 - movq MMWORD [ebx+eax*SIZEOF_JSAMPLE], mm4 - - poppic ebx ; restore GOT address - - add esi, byte 4*SIZEOF_FAST_FLOAT ; wsptr - add edi, byte 4*SIZEOF_JSAMPROW - dec ecx ; ctr - jnz near .rowloop - - emms ; empty MMX state - - pop edi - pop esi -; pop edx ; need not be preserved -; pop ecx ; need not be preserved - pop ebx - mov esp,ebp ; esp <- aligned ebp - pop esp ; esp <- original ebp - pop ebp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jsimd.h b/common/jpeg/simd/jsimd.h deleted file mode 100644 index 89ac1b75..00000000 --- a/common/jpeg/simd/jsimd.h +++ /dev/null @@ -1,504 +0,0 @@ -/* - * simd/jsimd.h - * - * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB - * - * Based on the x86 SIMD extension for IJG JPEG library, - * Copyright (C) 1999-2006, MIYASAKA Masaru. - * For conditions of distribution and use, see copyright notice in jsimdext.inc - * - */ - -/* Bitmask for supported acceleration methods */ - -#define JSIMD_NONE 0x00 -#define JSIMD_MMX 0x01 -#define JSIMD_3DNOW 0x02 -#define JSIMD_SSE 0x04 -#define JSIMD_SSE2 0x08 - -/* Short forms of external names for systems with brain-damaged linkers. */ - -#ifdef NEED_SHORT_EXTERNAL_NAMES -#define jpeg_simd_cpu_support jSiCpuSupport -#define jsimd_rgb_ycc_convert_mmx jSRGBYCCM -#define jsimd_extrgb_ycc_convert_mmx jSEXTRGBYCCM -#define jsimd_extrgbx_ycc_convert_mmx jSEXTRGBXYCCM -#define jsimd_extbgr_ycc_convert_mmx jSEXTBGRYCCM -#define jsimd_extbgrx_ycc_convert_mmx jSEXTBGRXYCCM -#define jsimd_extxbgr_ycc_convert_mmx jSEXTXBGRYCCM -#define jsimd_extxrgb_ycc_convert_mmx jSEXTXRGBYCCM -#define jsimd_ycc_rgb_convert_mmx jSYCCRGBM -#define jsimd_ycc_extrgb_convert_mmx jSYCCEXTRGBM -#define jsimd_ycc_extrgbx_convert_mmx jSYCCEXTRGBXM -#define jsimd_ycc_extbgr_convert_mmx jSYCCEXTBGRM -#define jsimd_ycc_extbgrx_convert_mmx jSYCCEXTBGRXM -#define jsimd_ycc_extxbgr_convert_mmx jSYCCEXTXBGRM -#define jsimd_ycc_extxrgb_convert_mmx jSYCCEXTXRGBM -#define jconst_rgb_ycc_convert_sse2 jSCRGBYCCS2 -#define jsimd_rgb_ycc_convert_sse2 jSRGBYCCS2 -#define jsimd_extrgb_ycc_convert_sse2 jSEXTRGBYCCS2 -#define jsimd_extrgbx_ycc_convert_sse2 jSEXTRGBXYCCS2 -#define jsimd_extbgr_ycc_convert_sse2 jSEXTBGRYCCS2 -#define jsimd_extbgrx_ycc_convert_sse2 jSEXTBGRXYCCS2 -#define jsimd_extxbgr_ycc_convert_sse2 jSEXTXBGRYCCS2 -#define jsimd_extxrgb_ycc_convert_sse2 jSEXTXRGBYCCS2 -#define jconst_ycc_rgb_convert_sse2 jSCYCCRGBS2 -#define jsimd_ycc_rgb_convert_sse2 jSYCCRGBS2 -#define jsimd_ycc_extrgb_convert_sse2 jSYCCEXTRGBS2 -#define jsimd_ycc_extrgbx_convert_sse2 jSYCCEXTRGBXS2 -#define jsimd_ycc_extbgr_convert_sse2 jSYCCEXTBGRS2 -#define jsimd_ycc_extbgrx_convert_sse2 jSYCCEXTBGRXS2 -#define jsimd_ycc_extxbgr_convert_sse2 jSYCCEXTXBGRS2 -#define jsimd_ycc_extxrgb_convert_sse2 jSYCCEXTXRGBS2 -#define jsimd_h2v2_downsample_mmx jSDnH2V2M -#define jsimd_h2v1_downsample_mmx jSDnH2V1M -#define jsimd_h2v2_downsample_sse2 jSDnH2V2S2 -#define jsimd_h2v1_downsample_sse2 jSDnH2V1S2 -#define jsimd_h2v2_upsample_mmx jSUpH2V2M -#define jsimd_h2v1_upsample_mmx jSUpH2V1M -#define jsimd_h2v2_fancy_upsample_mmx jSFUpH2V2M -#define jsimd_h2v1_fancy_upsample_mmx jSFUpH2V1M -#define jsimd_h2v2_merged_upsample_mmx jSMUpH2V2M -#define jsimd_h2v2_extrgb_merged_upsample_mmx jSMUpH2V2EXTRGBM -#define jsimd_h2v2_extrgbx_merged_upsample_mmx jSMUpH2V2EXTRGBXM -#define jsimd_h2v2_extbgr_merged_upsample_mmx jSMUpH2V2EXTBGRM -#define jsimd_h2v2_extbgrx_merged_upsample_mmx jSMUpH2V2EXTBGRXM -#define jsimd_h2v2_extxbgr_merged_upsample_mmx jSMUpH2V2EXTXBGRM -#define jsimd_h2v2_extxrgb_merged_upsample_mmx jSMUpH2V2EXTXRGBM -#define jsimd_h2v1_merged_upsample_mmx jSMUpH2V1M -#define jsimd_h2v1_extrgb_merged_upsample_mmx jSMUpH2V1EXTRGBM -#define jsimd_h2v1_extrgbx_merged_upsample_mmx jSMUpH2V1EXTRGBXM -#define jsimd_h2v1_extbgr_merged_upsample_mmx jSMUpH2V1EXTBGRM -#define jsimd_h2v1_extbgrx_merged_upsample_mmx jSMUpH2V1EXTBGRXM -#define jsimd_h2v1_extxbgr_merged_upsample_mmx jSMUpH2V1EXTXBGRM -#define jsimd_h2v1_extxrgb_merged_upsample_mmx jSMUpH2V1EXTXRGBM -#define jsimd_h2v2_upsample_sse2 jSUpH2V2S2 -#define jsimd_h2v1_upsample_sse2 jSUpH2V1S2 -#define jconst_fancy_upsample_sse2 jSCFUpS2 -#define jsimd_h2v2_fancy_upsample_sse2 jSFUpH2V2S2 -#define jsimd_h2v1_fancy_upsample_sse2 jSFUpH2V1S2 -#define jconst_merged_upsample_sse2 jSCMUpS2 -#define jsimd_h2v2_merged_upsample_sse2 jSMUpH2V2S2 -#define jsimd_h2v2_extrgb_merged_upsample_sse2 jSMUpH2V2EXTRGBS2 -#define jsimd_h2v2_extrgbx_merged_upsample_sse2 jSMUpH2V2EXTRGBXS2 -#define jsimd_h2v2_extbgr_merged_upsample_sse2 jSMUpH2V2EXTBGRS2 -#define jsimd_h2v2_extbgrx_merged_upsample_sse2 jSMUpH2V2EXTBGRXS2 -#define jsimd_h2v2_extxbgr_merged_upsample_sse2 jSMUpH2V2EXTXBGRS2 -#define jsimd_h2v2_extxrgb_merged_upsample_sse2 jSMUpH2V2EXTXRGBS2 -#define jsimd_h2v1_merged_upsample_sse2 jSMUpH2V1S2 -#define jsimd_h2v1_extrgb_merged_upsample_sse2 jSMUpH2V1EXTRGBS2 -#define jsimd_h2v1_extrgbx_merged_upsample_sse2 jSMUpH2V1EXTRGBXS2 -#define jsimd_h2v1_extbgr_merged_upsample_sse2 jSMUpH2V1EXTBGRS2 -#define jsimd_h2v1_extbgrx_merged_upsample_sse2 jSMUpH2V1EXTBGRXS2 -#define jsimd_h2v1_extxbgr_merged_upsample_sse2 jSMUpH2V1EXTXBGRS2 -#define jsimd_h2v1_extxrgb_merged_upsample_sse2 jSMUpH2V1EXTXRGBS2 -#define jsimd_convsamp_mmx jSConvM -#define jsimd_convsamp_sse2 jSConvS2 -#define jsimd_convsamp_float_3dnow jSConvF3D -#define jsimd_convsamp_float_sse jSConvFS -#define jsimd_convsamp_float_sse2 jSConvFS2 -#define jsimd_fdct_islow_mmx jSFDMIS -#define jsimd_fdct_ifast_mmx jSFDMIF -#define jconst_fdct_islow_sse2 jSCFDS2IS -#define jsimd_fdct_islow_sse2 jSFDS2IS -#define jconst_fdct_ifast_sse2 jSCFDS2IF -#define jsimd_fdct_ifast_sse2 jSFDS2IF -#define jsimd_fdct_float_3dnow jSFD3DF -#define jconst_fdct_float_sse jSCFDSF -#define jsimd_fdct_float_sse jSFDSF -#define jsimd_quantize_mmx jSQuantM -#define jsimd_quantize_sse2 jSQuantS2 -#define jsimd_quantize_float_3dnow jSQuantF3D -#define jsimd_quantize_float_sse jSQuantFS -#define jsimd_quantize_float_sse2 jSQuantFS2 -#define jsimd_idct_2x2_mmx jSIDM22 -#define jsimd_idct_4x4_mmx jSIDM44 -#define jconst_idct_red_sse2 jSCIDS2R -#define jsimd_idct_2x2_sse2 jSIDS222 -#define jsimd_idct_4x4_sse2 jSIDS244 -#define jsimd_idct_islow_mmx jSIDMIS -#define jsimd_idct_ifast_mmx jSIDMIF -#define jconst_idct_islow_sse2 jSCIDS2IS -#define jsimd_idct_islow_sse2 jSIDS2IS -#define jconst_idct_ifast_sse2 jSCIDS2IF -#define jsimd_idct_ifast_sse2 jSIDS2IF -#define jsimd_idct_float_3dnow jSID3DF -#define jconst_fdct_float_sse jSCIDSF -#define jsimd_idct_float_sse jSIDSF -#define jconst_fdct_float_sse2 jSCIDS2F -#define jsimd_idct_float_sse2 jSIDS2F -#endif /* NEED_SHORT_EXTERNAL_NAMES */ - -/* SIMD Ext: retrieve SIMD/CPU information */ -EXTERN(unsigned int) jpeg_simd_cpu_support JPP((void)); - -/* SIMD Color Space Conversion */ -EXTERN(void) jsimd_rgb_ycc_convert_mmx - JPP((JDIMENSION img_width, - JSAMPARRAY input_buf, JSAMPIMAGE output_buf, - JDIMENSION output_row, int num_rows)); -EXTERN(void) jsimd_extrgb_ycc_convert_mmx - JPP((JDIMENSION img_width, - JSAMPARRAY input_buf, JSAMPIMAGE output_buf, - JDIMENSION output_row, int num_rows)); -EXTERN(void) jsimd_extrgbx_ycc_convert_mmx - JPP((JDIMENSION img_width, - JSAMPARRAY input_buf, JSAMPIMAGE output_buf, - JDIMENSION output_row, int num_rows)); -EXTERN(void) jsimd_extbgr_ycc_convert_mmx - JPP((JDIMENSION img_width, - JSAMPARRAY input_buf, JSAMPIMAGE output_buf, - JDIMENSION output_row, int num_rows)); -EXTERN(void) jsimd_extbgrx_ycc_convert_mmx - JPP((JDIMENSION img_width, - JSAMPARRAY input_buf, JSAMPIMAGE output_buf, - JDIMENSION output_row, int num_rows)); -EXTERN(void) jsimd_extxbgr_ycc_convert_mmx - JPP((JDIMENSION img_width, - JSAMPARRAY input_buf, JSAMPIMAGE output_buf, - JDIMENSION output_row, int num_rows)); -EXTERN(void) jsimd_extxrgb_ycc_convert_mmx - JPP((JDIMENSION img_width, - JSAMPARRAY input_buf, JSAMPIMAGE output_buf, - JDIMENSION output_row, int num_rows)); - -EXTERN(void) jsimd_ycc_rgb_convert_mmx - JPP((JDIMENSION out_width, - JSAMPIMAGE input_buf, JDIMENSION input_row, - JSAMPARRAY output_buf, int num_rows)); -EXTERN(void) jsimd_ycc_extrgb_convert_mmx - JPP((JDIMENSION out_width, - JSAMPIMAGE input_buf, JDIMENSION input_row, - JSAMPARRAY output_buf, int num_rows)); -EXTERN(void) jsimd_ycc_extrgbx_convert_mmx - JPP((JDIMENSION out_width, - JSAMPIMAGE input_buf, JDIMENSION input_row, - JSAMPARRAY output_buf, int num_rows)); -EXTERN(void) jsimd_ycc_extbgr_convert_mmx - JPP((JDIMENSION out_width, - JSAMPIMAGE input_buf, JDIMENSION input_row, - JSAMPARRAY output_buf, int num_rows)); -EXTERN(void) jsimd_ycc_extbgrx_convert_mmx - JPP((JDIMENSION out_width, - JSAMPIMAGE input_buf, JDIMENSION input_row, - JSAMPARRAY output_buf, int num_rows)); -EXTERN(void) jsimd_ycc_extxbgr_convert_mmx - JPP((JDIMENSION out_width, - JSAMPIMAGE input_buf, JDIMENSION input_row, - JSAMPARRAY output_buf, int num_rows)); -EXTERN(void) jsimd_ycc_extxrgb_convert_mmx - JPP((JDIMENSION out_width, - JSAMPIMAGE input_buf, JDIMENSION input_row, - JSAMPARRAY output_buf, int num_rows)); - -extern const int jconst_rgb_ycc_convert_sse2[]; -EXTERN(void) jsimd_rgb_ycc_convert_sse2 - JPP((JDIMENSION img_width, - JSAMPARRAY input_buf, JSAMPIMAGE output_buf, - JDIMENSION output_row, int num_rows)); -EXTERN(void) jsimd_extrgb_ycc_convert_sse2 - JPP((JDIMENSION img_width, - JSAMPARRAY input_buf, JSAMPIMAGE output_buf, - JDIMENSION output_row, int num_rows)); -EXTERN(void) jsimd_extrgbx_ycc_convert_sse2 - JPP((JDIMENSION img_width, - JSAMPARRAY input_buf, JSAMPIMAGE output_buf, - JDIMENSION output_row, int num_rows)); -EXTERN(void) jsimd_extbgr_ycc_convert_sse2 - JPP((JDIMENSION img_width, - JSAMPARRAY input_buf, JSAMPIMAGE output_buf, - JDIMENSION output_row, int num_rows)); -EXTERN(void) jsimd_extbgrx_ycc_convert_sse2 - JPP((JDIMENSION img_width, - JSAMPARRAY input_buf, JSAMPIMAGE output_buf, - JDIMENSION output_row, int num_rows)); -EXTERN(void) jsimd_extxbgr_ycc_convert_sse2 - JPP((JDIMENSION img_width, - JSAMPARRAY input_buf, JSAMPIMAGE output_buf, - JDIMENSION output_row, int num_rows)); -EXTERN(void) jsimd_extxrgb_ycc_convert_sse2 - JPP((JDIMENSION img_width, - JSAMPARRAY input_buf, JSAMPIMAGE output_buf, - JDIMENSION output_row, int num_rows)); - -extern const int jconst_ycc_rgb_convert_sse2[]; -EXTERN(void) jsimd_ycc_rgb_convert_sse2 - JPP((JDIMENSION out_width, - JSAMPIMAGE input_buf, JDIMENSION input_row, - JSAMPARRAY output_buf, int num_rows)); -EXTERN(void) jsimd_ycc_extrgb_convert_sse2 - JPP((JDIMENSION out_width, - JSAMPIMAGE input_buf, JDIMENSION input_row, - JSAMPARRAY output_buf, int num_rows)); -EXTERN(void) jsimd_ycc_extrgbx_convert_sse2 - JPP((JDIMENSION out_width, - JSAMPIMAGE input_buf, JDIMENSION input_row, - JSAMPARRAY output_buf, int num_rows)); -EXTERN(void) jsimd_ycc_extbgr_convert_sse2 - JPP((JDIMENSION out_width, - JSAMPIMAGE input_buf, JDIMENSION input_row, - JSAMPARRAY output_buf, int num_rows)); -EXTERN(void) jsimd_ycc_extbgrx_convert_sse2 - JPP((JDIMENSION out_width, - JSAMPIMAGE input_buf, JDIMENSION input_row, - JSAMPARRAY output_buf, int num_rows)); -EXTERN(void) jsimd_ycc_extxbgr_convert_sse2 - JPP((JDIMENSION out_width, - JSAMPIMAGE input_buf, JDIMENSION input_row, - JSAMPARRAY output_buf, int num_rows)); -EXTERN(void) jsimd_ycc_extxrgb_convert_sse2 - JPP((JDIMENSION out_width, - JSAMPIMAGE input_buf, JDIMENSION input_row, - JSAMPARRAY output_buf, int num_rows)); - -/* SIMD Downsample */ -EXTERN(void) jsimd_h2v2_downsample_mmx - JPP((JDIMENSION image_width, int max_v_samp_factor, - JDIMENSION v_samp_factor, JDIMENSION width_blocks, - JSAMPARRAY input_data, JSAMPARRAY output_data)); -EXTERN(void) jsimd_h2v1_downsample_mmx - JPP((JDIMENSION image_width, int max_v_samp_factor, - JDIMENSION v_samp_factor, JDIMENSION width_blocks, - JSAMPARRAY input_data, JSAMPARRAY output_data)); - -EXTERN(void) jsimd_h2v2_downsample_sse2 - JPP((JDIMENSION image_width, int max_v_samp_factor, - JDIMENSION v_samp_factor, JDIMENSION width_blocks, - JSAMPARRAY input_data, JSAMPARRAY output_data)); -EXTERN(void) jsimd_h2v1_downsample_sse2 - JPP((JDIMENSION image_width, int max_v_samp_factor, - JDIMENSION v_samp_factor, JDIMENSION width_blocks, - JSAMPARRAY input_data, JSAMPARRAY output_data)); - -/* SIMD Upsample */ -EXTERN(void) jsimd_h2v2_upsample_mmx - JPP((int max_v_samp_factor, JDIMENSION output_width, - JSAMPARRAY input_data, JSAMPARRAY * output_data_ptr)); -EXTERN(void) jsimd_h2v1_upsample_mmx - JPP((int max_v_samp_factor, JDIMENSION output_width, - JSAMPARRAY input_data, JSAMPARRAY * output_data_ptr)); - -EXTERN(void) jsimd_h2v2_fancy_upsample_mmx - JPP((int max_v_samp_factor, JDIMENSION downsampled_width, - JSAMPARRAY input_data, JSAMPARRAY * output_data_ptr)); -EXTERN(void) jsimd_h2v1_fancy_upsample_mmx - JPP((int max_v_samp_factor, JDIMENSION downsampled_width, - JSAMPARRAY input_data, JSAMPARRAY * output_data_ptr)); - -EXTERN(void) jsimd_h2v2_merged_upsample_mmx - JPP((JDIMENSION output_width, JSAMPIMAGE input_buf, - JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf)); -EXTERN(void) jsimd_h2v2_extrgb_merged_upsample_mmx - JPP((JDIMENSION output_width, JSAMPIMAGE input_buf, - JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf)); -EXTERN(void) jsimd_h2v2_extrgbx_merged_upsample_mmx - JPP((JDIMENSION output_width, JSAMPIMAGE input_buf, - JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf)); -EXTERN(void) jsimd_h2v2_extbgr_merged_upsample_mmx - JPP((JDIMENSION output_width, JSAMPIMAGE input_buf, - JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf)); -EXTERN(void) jsimd_h2v2_extbgrx_merged_upsample_mmx - JPP((JDIMENSION output_width, JSAMPIMAGE input_buf, - JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf)); -EXTERN(void) jsimd_h2v2_extxbgr_merged_upsample_mmx - JPP((JDIMENSION output_width, JSAMPIMAGE input_buf, - JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf)); -EXTERN(void) jsimd_h2v2_extxrgb_merged_upsample_mmx - JPP((JDIMENSION output_width, JSAMPIMAGE input_buf, - JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf)); -EXTERN(void) jsimd_h2v1_merged_upsample_mmx - JPP((JDIMENSION output_width, JSAMPIMAGE input_buf, - JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf)); -EXTERN(void) jsimd_h2v1_extrgb_merged_upsample_mmx - JPP((JDIMENSION output_width, JSAMPIMAGE input_buf, - JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf)); -EXTERN(void) jsimd_h2v1_extrgbx_merged_upsample_mmx - JPP((JDIMENSION output_width, JSAMPIMAGE input_buf, - JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf)); -EXTERN(void) jsimd_h2v1_extbgr_merged_upsample_mmx - JPP((JDIMENSION output_width, JSAMPIMAGE input_buf, - JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf)); -EXTERN(void) jsimd_h2v1_extbgrx_merged_upsample_mmx - JPP((JDIMENSION output_width, JSAMPIMAGE input_buf, - JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf)); -EXTERN(void) jsimd_h2v1_extxbgr_merged_upsample_mmx - JPP((JDIMENSION output_width, JSAMPIMAGE input_buf, - JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf)); -EXTERN(void) jsimd_h2v1_extxrgb_merged_upsample_mmx - JPP((JDIMENSION output_width, JSAMPIMAGE input_buf, - JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf)); - -EXTERN(void) jsimd_h2v2_upsample_sse2 - JPP((int max_v_samp_factor, JDIMENSION output_width, - JSAMPARRAY input_data, JSAMPARRAY * output_data_ptr)); -EXTERN(void) jsimd_h2v1_upsample_sse2 - JPP((int max_v_samp_factor, JDIMENSION output_width, - JSAMPARRAY input_data, JSAMPARRAY * output_data_ptr)); - -extern const int jconst_fancy_upsample_sse2[]; -EXTERN(void) jsimd_h2v2_fancy_upsample_sse2 - JPP((int max_v_samp_factor, JDIMENSION downsampled_width, - JSAMPARRAY input_data, JSAMPARRAY * output_data_ptr)); -EXTERN(void) jsimd_h2v1_fancy_upsample_sse2 - JPP((int max_v_samp_factor, JDIMENSION downsampled_width, - JSAMPARRAY input_data, JSAMPARRAY * output_data_ptr)); - -extern const int jconst_merged_upsample_sse2[]; -EXTERN(void) jsimd_h2v2_merged_upsample_sse2 - JPP((JDIMENSION output_width, JSAMPIMAGE input_buf, - JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf)); -EXTERN(void) jsimd_h2v2_extrgb_merged_upsample_sse2 - JPP((JDIMENSION output_width, JSAMPIMAGE input_buf, - JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf)); -EXTERN(void) jsimd_h2v2_extrgbx_merged_upsample_sse2 - JPP((JDIMENSION output_width, JSAMPIMAGE input_buf, - JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf)); -EXTERN(void) jsimd_h2v2_extbgr_merged_upsample_sse2 - JPP((JDIMENSION output_width, JSAMPIMAGE input_buf, - JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf)); -EXTERN(void) jsimd_h2v2_extbgrx_merged_upsample_sse2 - JPP((JDIMENSION output_width, JSAMPIMAGE input_buf, - JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf)); -EXTERN(void) jsimd_h2v2_extxbgr_merged_upsample_sse2 - JPP((JDIMENSION output_width, JSAMPIMAGE input_buf, - JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf)); -EXTERN(void) jsimd_h2v2_extxrgb_merged_upsample_sse2 - JPP((JDIMENSION output_width, JSAMPIMAGE input_buf, - JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf)); -EXTERN(void) jsimd_h2v1_merged_upsample_sse2 - JPP((JDIMENSION output_width, JSAMPIMAGE input_buf, - JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf)); -EXTERN(void) jsimd_h2v1_extrgb_merged_upsample_sse2 - JPP((JDIMENSION output_width, JSAMPIMAGE input_buf, - JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf)); -EXTERN(void) jsimd_h2v1_extrgbx_merged_upsample_sse2 - JPP((JDIMENSION output_width, JSAMPIMAGE input_buf, - JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf)); -EXTERN(void) jsimd_h2v1_extbgr_merged_upsample_sse2 - JPP((JDIMENSION output_width, JSAMPIMAGE input_buf, - JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf)); -EXTERN(void) jsimd_h2v1_extbgrx_merged_upsample_sse2 - JPP((JDIMENSION output_width, JSAMPIMAGE input_buf, - JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf)); -EXTERN(void) jsimd_h2v1_extxbgr_merged_upsample_sse2 - JPP((JDIMENSION output_width, JSAMPIMAGE input_buf, - JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf)); -EXTERN(void) jsimd_h2v1_extxrgb_merged_upsample_sse2 - JPP((JDIMENSION output_width, JSAMPIMAGE input_buf, - JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf)); - -/* SIMD Sample Conversion */ -EXTERN(void) jsimd_convsamp_mmx JPP((JSAMPARRAY sample_data, - JDIMENSION start_col, - DCTELEM * workspace)); - -EXTERN(void) jsimd_convsamp_sse2 JPP((JSAMPARRAY sample_data, - JDIMENSION start_col, - DCTELEM * workspace)); - -EXTERN(void) jsimd_convsamp_float_3dnow JPP((JSAMPARRAY sample_data, - JDIMENSION start_col, - FAST_FLOAT * workspace)); - -EXTERN(void) jsimd_convsamp_float_sse JPP((JSAMPARRAY sample_data, - JDIMENSION start_col, - FAST_FLOAT * workspace)); - -EXTERN(void) jsimd_convsamp_float_sse2 JPP((JSAMPARRAY sample_data, - JDIMENSION start_col, - FAST_FLOAT * workspace)); - -/* SIMD Forward DCT */ -EXTERN(void) jsimd_fdct_islow_mmx JPP((DCTELEM * data)); -EXTERN(void) jsimd_fdct_ifast_mmx JPP((DCTELEM * data)); - -extern const int jconst_fdct_ifast_sse2[]; -EXTERN(void) jsimd_fdct_islow_sse2 JPP((DCTELEM * data)); -extern const int jconst_fdct_islow_sse2[]; -EXTERN(void) jsimd_fdct_ifast_sse2 JPP((DCTELEM * data)); - -EXTERN(void) jsimd_fdct_float_3dnow JPP((FAST_FLOAT * data)); - -extern const int jconst_fdct_float_sse[]; -EXTERN(void) jsimd_fdct_float_sse JPP((FAST_FLOAT * data)); - -/* SIMD Quantization */ -EXTERN(void) jsimd_quantize_mmx JPP((JCOEFPTR coef_block, - DCTELEM * divisors, - DCTELEM * workspace)); - -EXTERN(void) jsimd_quantize_sse2 JPP((JCOEFPTR coef_block, - DCTELEM * divisors, - DCTELEM * workspace)); - -EXTERN(void) jsimd_quantize_float_3dnow JPP((JCOEFPTR coef_block, - FAST_FLOAT * divisors, - FAST_FLOAT * workspace)); - -EXTERN(void) jsimd_quantize_float_sse JPP((JCOEFPTR coef_block, - FAST_FLOAT * divisors, - FAST_FLOAT * workspace)); - -EXTERN(void) jsimd_quantize_float_sse2 JPP((JCOEFPTR coef_block, - FAST_FLOAT * divisors, - FAST_FLOAT * workspace)); - -/* SIMD Reduced Inverse DCT */ -EXTERN(void) jsimd_idct_2x2_mmx JPP((void * dct_table, - JCOEFPTR coef_block, - JSAMPARRAY output_buf, - JDIMENSION output_col)); -EXTERN(void) jsimd_idct_4x4_mmx JPP((void * dct_table, - JCOEFPTR coef_block, - JSAMPARRAY output_buf, - JDIMENSION output_col)); - -extern const int jconst_idct_red_sse2[]; -EXTERN(void) jsimd_idct_2x2_sse2 JPP((void * dct_table, - JCOEFPTR coef_block, - JSAMPARRAY output_buf, - JDIMENSION output_col)); -EXTERN(void) jsimd_idct_4x4_sse2 JPP((void * dct_table, - JCOEFPTR coef_block, - JSAMPARRAY output_buf, - JDIMENSION output_col)); - -/* SIMD Inverse DCT */ -EXTERN(void) jsimd_idct_islow_mmx JPP((void * dct_table, - JCOEFPTR coef_block, - JSAMPARRAY output_buf, - JDIMENSION output_col)); -EXTERN(void) jsimd_idct_ifast_mmx JPP((void * dct_table, - JCOEFPTR coef_block, - JSAMPARRAY output_buf, - JDIMENSION output_col)); - -extern const int jconst_idct_islow_sse2[]; -EXTERN(void) jsimd_idct_islow_sse2 JPP((void * dct_table, - JCOEFPTR coef_block, - JSAMPARRAY output_buf, - JDIMENSION output_col)); -extern const int jconst_idct_ifast_sse2[]; -EXTERN(void) jsimd_idct_ifast_sse2 JPP((void * dct_table, - JCOEFPTR coef_block, - JSAMPARRAY output_buf, - JDIMENSION output_col)); - -EXTERN(void) jsimd_idct_float_3dnow JPP((void * dct_table, - JCOEFPTR coef_block, - JSAMPARRAY output_buf, - JDIMENSION output_col)); - -extern const int jconst_idct_float_sse[]; -EXTERN(void) jsimd_idct_float_sse JPP((void * dct_table, - JCOEFPTR coef_block, - JSAMPARRAY output_buf, - JDIMENSION output_col)); - -extern const int jconst_idct_float_sse2[]; -EXTERN(void) jsimd_idct_float_sse2 JPP((void * dct_table, - JCOEFPTR coef_block, - JSAMPARRAY output_buf, - JDIMENSION output_col)); - diff --git a/common/jpeg/simd/jsimd_i386.c b/common/jpeg/simd/jsimd_i386.c deleted file mode 100644 index d9bb7743..00000000 --- a/common/jpeg/simd/jsimd_i386.c +++ /dev/null @@ -1,957 +0,0 @@ -/* - * jsimd_i386.c - * - * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB - * Copyright 2009 D. R. Commander - * - * Based on the x86 SIMD extension for IJG JPEG library, - * Copyright (C) 1999-2006, MIYASAKA Masaru. - * For conditions of distribution and use, see copyright notice in jsimdext.inc - * - * This file contains the interface between the "normal" portions - * of the library and the SIMD implementations when running on a - * 32-bit x86 architecture. - */ - -#define JPEG_INTERNALS -#include "../jinclude.h" -#include "../jpeglib.h" -#include "../jsimd.h" -#include "../jdct.h" -#include "../jsimddct.h" -#include "jsimd.h" - -/* - * In the PIC cases, we have no guarantee that constants will keep - * their alignment. This macro allows us to verify it at runtime. - */ -#define IS_ALIGNED(ptr, order) (((unsigned)ptr & ((1 << order) - 1)) == 0) - -#define IS_ALIGNED_SSE(ptr) (IS_ALIGNED(ptr, 4)) /* 16 byte alignment */ - -static unsigned int simd_support = ~0; - -/* - * Check what SIMD accelerations are supported. - * - * FIXME: This code is racy under a multi-threaded environment. - */ -LOCAL(void) -init_simd (void) -{ - char *env = NULL; - - if (simd_support != ~0) - return; - - simd_support = jpeg_simd_cpu_support(); - - /* Force different settings through environment variables */ - env = getenv("JSIMD_FORCEMMX"); - if ((env != NULL) && (strcmp(env, "1") == 0)) - simd_support &= JSIMD_MMX; - env = getenv("JSIMD_FORCE3DNOW"); - if ((env != NULL) && (strcmp(env, "1") == 0)) - simd_support &= JSIMD_3DNOW|JSIMD_MMX; - env = getenv("JSIMD_FORCESSE"); - if ((env != NULL) && (strcmp(env, "1") == 0)) - simd_support &= JSIMD_SSE|JSIMD_MMX; - env = getenv("JSIMD_FORCESSE2"); - if ((env != NULL) && (strcmp(env, "1") == 0)) - simd_support &= JSIMD_SSE2; -} - -GLOBAL(int) -jsimd_can_rgb_ycc (void) -{ - init_simd(); - - /* The code is optimised for these values only */ - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - if ((RGB_PIXELSIZE != 3) && (RGB_PIXELSIZE != 4)) - return 0; - - if ((simd_support & JSIMD_SSE2) && - IS_ALIGNED_SSE(jconst_rgb_ycc_convert_sse2)) - return 1; - if (simd_support & JSIMD_MMX) - return 1; - - return 0; -} - -GLOBAL(int) -jsimd_can_ycc_rgb (void) -{ - init_simd(); - - /* The code is optimised for these values only */ - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - if ((RGB_PIXELSIZE != 3) && (RGB_PIXELSIZE != 4)) - return 0; - - if ((simd_support & JSIMD_SSE2) && - IS_ALIGNED_SSE(jconst_ycc_rgb_convert_sse2)) - return 1; - if (simd_support & JSIMD_MMX) - return 1; - - return 0; -} - -GLOBAL(void) -jsimd_rgb_ycc_convert (j_compress_ptr cinfo, - JSAMPARRAY input_buf, JSAMPIMAGE output_buf, - JDIMENSION output_row, int num_rows) -{ - void (*sse2fct)(JDIMENSION, JSAMPARRAY, JSAMPIMAGE, JDIMENSION, int); - void (*mmxfct)(JDIMENSION, JSAMPARRAY, JSAMPIMAGE, JDIMENSION, int); - - switch(cinfo->in_color_space) - { - case JCS_EXT_RGB: - sse2fct=jsimd_extrgb_ycc_convert_sse2; - mmxfct=jsimd_extrgb_ycc_convert_mmx; - break; - case JCS_EXT_RGBX: - sse2fct=jsimd_extrgbx_ycc_convert_sse2; - mmxfct=jsimd_extrgbx_ycc_convert_mmx; - break; - case JCS_EXT_BGR: - sse2fct=jsimd_extbgr_ycc_convert_sse2; - mmxfct=jsimd_extbgr_ycc_convert_mmx; - break; - case JCS_EXT_BGRX: - sse2fct=jsimd_extbgrx_ycc_convert_sse2; - mmxfct=jsimd_extbgrx_ycc_convert_mmx; - break; - case JCS_EXT_XBGR: - sse2fct=jsimd_extxbgr_ycc_convert_sse2; - mmxfct=jsimd_extxbgr_ycc_convert_mmx; - break; - case JCS_EXT_XRGB: - sse2fct=jsimd_extxrgb_ycc_convert_sse2; - mmxfct=jsimd_extxrgb_ycc_convert_mmx; - break; - default: - sse2fct=jsimd_rgb_ycc_convert_sse2; - mmxfct=jsimd_rgb_ycc_convert_mmx; - break; - } - - if ((simd_support & JSIMD_SSE2) && - IS_ALIGNED_SSE(jconst_rgb_ycc_convert_sse2)) - sse2fct(cinfo->image_width, input_buf, - output_buf, output_row, num_rows); - else if (simd_support & JSIMD_MMX) - mmxfct(cinfo->image_width, input_buf, - output_buf, output_row, num_rows); -} - -GLOBAL(void) -jsimd_ycc_rgb_convert (j_decompress_ptr cinfo, - JSAMPIMAGE input_buf, JDIMENSION input_row, - JSAMPARRAY output_buf, int num_rows) -{ - void (*sse2fct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY, int); - void (*mmxfct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY, int); - - switch(cinfo->out_color_space) - { - case JCS_EXT_RGB: - sse2fct=jsimd_ycc_extrgb_convert_sse2; - mmxfct=jsimd_ycc_extrgb_convert_mmx; - break; - case JCS_EXT_RGBX: - sse2fct=jsimd_ycc_extrgbx_convert_sse2; - mmxfct=jsimd_ycc_extrgbx_convert_mmx; - break; - case JCS_EXT_BGR: - sse2fct=jsimd_ycc_extbgr_convert_sse2; - mmxfct=jsimd_ycc_extbgr_convert_mmx; - break; - case JCS_EXT_BGRX: - sse2fct=jsimd_ycc_extbgrx_convert_sse2; - mmxfct=jsimd_ycc_extbgrx_convert_mmx; - break; - case JCS_EXT_XBGR: - sse2fct=jsimd_ycc_extxbgr_convert_sse2; - mmxfct=jsimd_ycc_extxbgr_convert_mmx; - break; - case JCS_EXT_XRGB: - sse2fct=jsimd_ycc_extxrgb_convert_sse2; - mmxfct=jsimd_ycc_extxrgb_convert_mmx; - break; - default: - sse2fct=jsimd_ycc_rgb_convert_sse2; - mmxfct=jsimd_ycc_rgb_convert_mmx; - break; - } - - if ((simd_support & JSIMD_SSE2) && - IS_ALIGNED_SSE(jconst_ycc_rgb_convert_sse2)) - sse2fct(cinfo->output_width, input_buf, - input_row, output_buf, num_rows); - else if (simd_support & JSIMD_MMX) - mmxfct(cinfo->output_width, input_buf, - input_row, output_buf, num_rows); -} - -GLOBAL(int) -jsimd_can_h2v2_downsample (void) -{ - init_simd(); - - /* The code is optimised for these values only */ - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - - if (simd_support & JSIMD_SSE2) - return 1; - if (simd_support & JSIMD_MMX) - return 1; - - return 0; -} - -GLOBAL(int) -jsimd_can_h2v1_downsample (void) -{ - init_simd(); - - /* The code is optimised for these values only */ - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - - if (simd_support & JSIMD_SSE2) - return 1; - if (simd_support & JSIMD_MMX) - return 1; - - return 0; -} - -GLOBAL(void) -jsimd_h2v2_downsample (j_compress_ptr cinfo, jpeg_component_info * compptr, - JSAMPARRAY input_data, JSAMPARRAY output_data) -{ - if (simd_support & JSIMD_SSE2) - jsimd_h2v2_downsample_sse2(cinfo->image_width, cinfo->max_v_samp_factor, - compptr->v_samp_factor, compptr->width_in_blocks, - input_data, output_data); - else if (simd_support & JSIMD_MMX) - jsimd_h2v2_downsample_mmx(cinfo->image_width, cinfo->max_v_samp_factor, - compptr->v_samp_factor, compptr->width_in_blocks, - input_data, output_data); -} - -GLOBAL(void) -jsimd_h2v1_downsample (j_compress_ptr cinfo, jpeg_component_info * compptr, - JSAMPARRAY input_data, JSAMPARRAY output_data) -{ - if (simd_support & JSIMD_SSE2) - jsimd_h2v1_downsample_sse2(cinfo->image_width, cinfo->max_v_samp_factor, - compptr->v_samp_factor, compptr->width_in_blocks, - input_data, output_data); - else if (simd_support & JSIMD_MMX) - jsimd_h2v1_downsample_mmx(cinfo->image_width, cinfo->max_v_samp_factor, - compptr->v_samp_factor, compptr->width_in_blocks, - input_data, output_data); -} - -GLOBAL(int) -jsimd_can_h2v2_upsample (void) -{ - init_simd(); - - /* The code is optimised for these values only */ - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - - if (simd_support & JSIMD_SSE2) - return 1; - if (simd_support & JSIMD_MMX) - return 1; - - return 0; -} - -GLOBAL(int) -jsimd_can_h2v1_upsample (void) -{ - init_simd(); - - /* The code is optimised for these values only */ - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - - if (simd_support & JSIMD_SSE2) - return 1; - if (simd_support & JSIMD_MMX) - return 1; - - return 0; -} - -GLOBAL(void) -jsimd_h2v2_upsample (j_decompress_ptr cinfo, - jpeg_component_info * compptr, - JSAMPARRAY input_data, - JSAMPARRAY * output_data_ptr) -{ - if (simd_support & JSIMD_SSE2) - jsimd_h2v2_upsample_sse2(cinfo->max_v_samp_factor, - cinfo->output_width, input_data, output_data_ptr); - else if (simd_support & JSIMD_MMX) - jsimd_h2v2_upsample_mmx(cinfo->max_v_samp_factor, - cinfo->output_width, input_data, output_data_ptr); -} - -GLOBAL(void) -jsimd_h2v1_upsample (j_decompress_ptr cinfo, - jpeg_component_info * compptr, - JSAMPARRAY input_data, - JSAMPARRAY * output_data_ptr) -{ - if (simd_support & JSIMD_SSE2) - jsimd_h2v1_upsample_sse2(cinfo->max_v_samp_factor, - cinfo->output_width, input_data, output_data_ptr); - else if (simd_support & JSIMD_MMX) - jsimd_h2v1_upsample_mmx(cinfo->max_v_samp_factor, - cinfo->output_width, input_data, output_data_ptr); -} - -GLOBAL(int) -jsimd_can_h2v2_fancy_upsample (void) -{ - init_simd(); - - /* The code is optimised for these values only */ - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - - if ((simd_support & JSIMD_SSE2) && - IS_ALIGNED_SSE(jconst_fancy_upsample_sse2)) - return 1; - if (simd_support & JSIMD_MMX) - return 1; - - return 0; -} - -GLOBAL(int) -jsimd_can_h2v1_fancy_upsample (void) -{ - init_simd(); - - /* The code is optimised for these values only */ - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - - if ((simd_support & JSIMD_SSE2) && - IS_ALIGNED_SSE(jconst_fancy_upsample_sse2)) - return 1; - if (simd_support & JSIMD_MMX) - return 1; - - return 0; -} - -GLOBAL(void) -jsimd_h2v2_fancy_upsample (j_decompress_ptr cinfo, - jpeg_component_info * compptr, - JSAMPARRAY input_data, - JSAMPARRAY * output_data_ptr) -{ - if ((simd_support & JSIMD_SSE2) && - IS_ALIGNED_SSE(jconst_fancy_upsample_sse2)) - jsimd_h2v2_fancy_upsample_sse2(cinfo->max_v_samp_factor, - compptr->downsampled_width, input_data, output_data_ptr); - else if (simd_support & JSIMD_MMX) - jsimd_h2v2_fancy_upsample_mmx(cinfo->max_v_samp_factor, - compptr->downsampled_width, input_data, output_data_ptr); -} - -GLOBAL(void) -jsimd_h2v1_fancy_upsample (j_decompress_ptr cinfo, - jpeg_component_info * compptr, - JSAMPARRAY input_data, - JSAMPARRAY * output_data_ptr) -{ - if ((simd_support & JSIMD_SSE2) && - IS_ALIGNED_SSE(jconst_fancy_upsample_sse2)) - jsimd_h2v1_fancy_upsample_sse2(cinfo->max_v_samp_factor, - compptr->downsampled_width, input_data, output_data_ptr); - else if (simd_support & JSIMD_MMX) - jsimd_h2v1_fancy_upsample_mmx(cinfo->max_v_samp_factor, - compptr->downsampled_width, input_data, output_data_ptr); -} - -GLOBAL(int) -jsimd_can_h2v2_merged_upsample (void) -{ - init_simd(); - - /* The code is optimised for these values only */ - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - - if ((simd_support & JSIMD_SSE2) && - IS_ALIGNED_SSE(jconst_merged_upsample_sse2)) - return 1; - if (simd_support & JSIMD_MMX) - return 1; - - return 0; -} - -GLOBAL(int) -jsimd_can_h2v1_merged_upsample (void) -{ - init_simd(); - - /* The code is optimised for these values only */ - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - - if ((simd_support & JSIMD_SSE2) && - IS_ALIGNED_SSE(jconst_merged_upsample_sse2)) - return 1; - if (simd_support & JSIMD_MMX) - return 1; - - return 0; -} - -GLOBAL(void) -jsimd_h2v2_merged_upsample (j_decompress_ptr cinfo, - JSAMPIMAGE input_buf, - JDIMENSION in_row_group_ctr, - JSAMPARRAY output_buf) -{ - void (*sse2fct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY); - void (*mmxfct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY); - - switch(cinfo->out_color_space) - { - case JCS_EXT_RGB: - sse2fct=jsimd_h2v2_extrgb_merged_upsample_sse2; - mmxfct=jsimd_h2v2_extrgb_merged_upsample_mmx; - break; - case JCS_EXT_RGBX: - sse2fct=jsimd_h2v2_extrgbx_merged_upsample_sse2; - mmxfct=jsimd_h2v2_extrgbx_merged_upsample_mmx; - break; - case JCS_EXT_BGR: - sse2fct=jsimd_h2v2_extbgr_merged_upsample_sse2; - mmxfct=jsimd_h2v2_extbgr_merged_upsample_mmx; - break; - case JCS_EXT_BGRX: - sse2fct=jsimd_h2v2_extbgrx_merged_upsample_sse2; - mmxfct=jsimd_h2v2_extbgrx_merged_upsample_mmx; - break; - case JCS_EXT_XBGR: - sse2fct=jsimd_h2v2_extxbgr_merged_upsample_sse2; - mmxfct=jsimd_h2v2_extxbgr_merged_upsample_mmx; - break; - case JCS_EXT_XRGB: - sse2fct=jsimd_h2v2_extxrgb_merged_upsample_sse2; - mmxfct=jsimd_h2v2_extxrgb_merged_upsample_mmx; - break; - default: - sse2fct=jsimd_h2v2_merged_upsample_sse2; - mmxfct=jsimd_h2v2_merged_upsample_mmx; - break; - } - - if ((simd_support & JSIMD_SSE2) && - IS_ALIGNED_SSE(jconst_merged_upsample_sse2)) - sse2fct(cinfo->output_width, input_buf, - in_row_group_ctr, output_buf); - else if (simd_support & JSIMD_MMX) - mmxfct(cinfo->output_width, input_buf, - in_row_group_ctr, output_buf); -} - -GLOBAL(void) -jsimd_h2v1_merged_upsample (j_decompress_ptr cinfo, - JSAMPIMAGE input_buf, - JDIMENSION in_row_group_ctr, - JSAMPARRAY output_buf) -{ - void (*sse2fct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY); - void (*mmxfct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY); - - switch(cinfo->out_color_space) - { - case JCS_EXT_RGB: - sse2fct=jsimd_h2v1_extrgb_merged_upsample_sse2; - mmxfct=jsimd_h2v1_extrgb_merged_upsample_mmx; - break; - case JCS_EXT_RGBX: - sse2fct=jsimd_h2v1_extrgbx_merged_upsample_sse2; - mmxfct=jsimd_h2v1_extrgbx_merged_upsample_mmx; - break; - case JCS_EXT_BGR: - sse2fct=jsimd_h2v1_extbgr_merged_upsample_sse2; - mmxfct=jsimd_h2v1_extbgr_merged_upsample_mmx; - break; - case JCS_EXT_BGRX: - sse2fct=jsimd_h2v1_extbgrx_merged_upsample_sse2; - mmxfct=jsimd_h2v1_extbgrx_merged_upsample_mmx; - break; - case JCS_EXT_XBGR: - sse2fct=jsimd_h2v1_extxbgr_merged_upsample_sse2; - mmxfct=jsimd_h2v1_extxbgr_merged_upsample_mmx; - break; - case JCS_EXT_XRGB: - sse2fct=jsimd_h2v1_extxrgb_merged_upsample_sse2; - mmxfct=jsimd_h2v1_extxrgb_merged_upsample_mmx; - break; - default: - sse2fct=jsimd_h2v1_merged_upsample_sse2; - mmxfct=jsimd_h2v1_merged_upsample_mmx; - break; - } - - if ((simd_support & JSIMD_SSE2) && - IS_ALIGNED_SSE(jconst_merged_upsample_sse2)) - sse2fct(cinfo->output_width, input_buf, - in_row_group_ctr, output_buf); - else if (simd_support & JSIMD_MMX) - mmxfct(cinfo->output_width, input_buf, - in_row_group_ctr, output_buf); -} - -GLOBAL(int) -jsimd_can_convsamp (void) -{ - init_simd(); - - /* The code is optimised for these values only */ - if (DCTSIZE != 8) - return 0; - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - if (sizeof(DCTELEM) != 2) - return 0; - - if (simd_support & JSIMD_SSE2) - return 1; - if (simd_support & JSIMD_MMX) - return 1; - - return 0; -} - -GLOBAL(int) -jsimd_can_convsamp_float (void) -{ - init_simd(); - - /* The code is optimised for these values only */ - if (DCTSIZE != 8) - return 0; - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - if (sizeof(FAST_FLOAT) != 4) - return 0; - - if (simd_support & JSIMD_SSE2) - return 1; - if (simd_support & JSIMD_SSE) - return 1; - if (simd_support & JSIMD_3DNOW) - return 1; - - return 0; -} - -GLOBAL(void) -jsimd_convsamp (JSAMPARRAY sample_data, JDIMENSION start_col, - DCTELEM * workspace) -{ - if (simd_support & JSIMD_SSE2) - jsimd_convsamp_sse2(sample_data, start_col, workspace); - else if (simd_support & JSIMD_MMX) - jsimd_convsamp_mmx(sample_data, start_col, workspace); -} - -GLOBAL(void) -jsimd_convsamp_float (JSAMPARRAY sample_data, JDIMENSION start_col, - FAST_FLOAT * workspace) -{ - if (simd_support & JSIMD_SSE2) - jsimd_convsamp_float_sse2(sample_data, start_col, workspace); - else if (simd_support & JSIMD_SSE) - jsimd_convsamp_float_sse(sample_data, start_col, workspace); - else if (simd_support & JSIMD_3DNOW) - jsimd_convsamp_float_3dnow(sample_data, start_col, workspace); -} - -GLOBAL(int) -jsimd_can_fdct_islow (void) -{ - init_simd(); - - /* The code is optimised for these values only */ - if (DCTSIZE != 8) - return 0; - if (sizeof(DCTELEM) != 2) - return 0; - - if ((simd_support & JSIMD_SSE2) && IS_ALIGNED_SSE(jconst_fdct_islow_sse2)) - return 1; - if (simd_support & JSIMD_MMX) - return 1; - - return 0; -} - -GLOBAL(int) -jsimd_can_fdct_ifast (void) -{ - init_simd(); - - /* The code is optimised for these values only */ - if (DCTSIZE != 8) - return 0; - if (sizeof(DCTELEM) != 2) - return 0; - - if ((simd_support & JSIMD_SSE2) && IS_ALIGNED_SSE(jconst_fdct_ifast_sse2)) - return 1; - if (simd_support & JSIMD_MMX) - return 1; - - return 0; -} - -GLOBAL(int) -jsimd_can_fdct_float (void) -{ - init_simd(); - - /* The code is optimised for these values only */ - if (DCTSIZE != 8) - return 0; - if (sizeof(FAST_FLOAT) != 4) - return 0; - - if ((simd_support & JSIMD_SSE) && IS_ALIGNED_SSE(jconst_fdct_float_sse)) - return 1; - if (simd_support & JSIMD_3DNOW) - return 1; - - return 0; -} - -GLOBAL(void) -jsimd_fdct_islow (DCTELEM * data) -{ - if ((simd_support & JSIMD_SSE2) && IS_ALIGNED_SSE(jconst_fdct_islow_sse2)) - jsimd_fdct_islow_sse2(data); - else if (simd_support & JSIMD_MMX) - jsimd_fdct_islow_mmx(data); -} - -GLOBAL(void) -jsimd_fdct_ifast (DCTELEM * data) -{ - if ((simd_support & JSIMD_SSE2) && IS_ALIGNED_SSE(jconst_fdct_islow_sse2)) - jsimd_fdct_ifast_sse2(data); - else if (simd_support & JSIMD_MMX) - jsimd_fdct_ifast_mmx(data); -} - -GLOBAL(void) -jsimd_fdct_float (FAST_FLOAT * data) -{ - if ((simd_support & JSIMD_SSE) && IS_ALIGNED_SSE(jconst_fdct_float_sse)) - jsimd_fdct_float_sse(data); - else if (simd_support & JSIMD_3DNOW) - jsimd_fdct_float_3dnow(data); -} - -GLOBAL(int) -jsimd_can_quantize (void) -{ - init_simd(); - - /* The code is optimised for these values only */ - if (DCTSIZE != 8) - return 0; - if (sizeof(JCOEF) != 2) - return 0; - if (sizeof(DCTELEM) != 2) - return 0; - - if (simd_support & JSIMD_SSE2) - return 1; - if (simd_support & JSIMD_MMX) - return 1; - - return 0; -} - -GLOBAL(int) -jsimd_can_quantize_float (void) -{ - init_simd(); - - /* The code is optimised for these values only */ - if (DCTSIZE != 8) - return 0; - if (sizeof(JCOEF) != 2) - return 0; - if (sizeof(FAST_FLOAT) != 4) - return 0; - - if (simd_support & JSIMD_SSE2) - return 1; - if (simd_support & JSIMD_SSE) - return 1; - if (simd_support & JSIMD_3DNOW) - return 1; - - return 0; -} - -GLOBAL(void) -jsimd_quantize (JCOEFPTR coef_block, DCTELEM * divisors, - DCTELEM * workspace) -{ - if (simd_support & JSIMD_SSE2) - jsimd_quantize_sse2(coef_block, divisors, workspace); - else if (simd_support & JSIMD_MMX) - jsimd_quantize_mmx(coef_block, divisors, workspace); -} - -GLOBAL(void) -jsimd_quantize_float (JCOEFPTR coef_block, FAST_FLOAT * divisors, - FAST_FLOAT * workspace) -{ - if (simd_support & JSIMD_SSE2) - jsimd_quantize_float_sse2(coef_block, divisors, workspace); - else if (simd_support & JSIMD_SSE) - jsimd_quantize_float_sse(coef_block, divisors, workspace); - else if (simd_support & JSIMD_3DNOW) - jsimd_quantize_float_3dnow(coef_block, divisors, workspace); -} - -GLOBAL(int) -jsimd_can_idct_2x2 (void) -{ - init_simd(); - - /* The code is optimised for these values only */ - if (DCTSIZE != 8) - return 0; - if (sizeof(JCOEF) != 2) - return 0; - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - if (sizeof(ISLOW_MULT_TYPE) != 2) - return 0; - - if ((simd_support & JSIMD_SSE2) && IS_ALIGNED_SSE(jconst_idct_red_sse2)) - return 1; - if (simd_support & JSIMD_MMX) - return 1; - - return 0; -} - -GLOBAL(int) -jsimd_can_idct_4x4 (void) -{ - init_simd(); - - /* The code is optimised for these values only */ - if (DCTSIZE != 8) - return 0; - if (sizeof(JCOEF) != 2) - return 0; - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - if (sizeof(ISLOW_MULT_TYPE) != 2) - return 0; - - if ((simd_support & JSIMD_SSE2) && IS_ALIGNED_SSE(jconst_idct_red_sse2)) - return 1; - if (simd_support & JSIMD_MMX) - return 1; - - return 0; -} - -GLOBAL(void) -jsimd_idct_2x2 (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, JSAMPARRAY output_buf, - JDIMENSION output_col) -{ - if ((simd_support & JSIMD_SSE2) && IS_ALIGNED_SSE(jconst_idct_red_sse2)) - jsimd_idct_2x2_sse2(compptr->dct_table, coef_block, output_buf, output_col); - else if (simd_support & JSIMD_MMX) - jsimd_idct_2x2_mmx(compptr->dct_table, coef_block, output_buf, output_col); -} - -GLOBAL(void) -jsimd_idct_4x4 (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, JSAMPARRAY output_buf, - JDIMENSION output_col) -{ - if ((simd_support & JSIMD_SSE2) && IS_ALIGNED_SSE(jconst_idct_red_sse2)) - jsimd_idct_4x4_sse2(compptr->dct_table, coef_block, output_buf, output_col); - else if (simd_support & JSIMD_MMX) - jsimd_idct_4x4_mmx(compptr->dct_table, coef_block, output_buf, output_col); -} - -GLOBAL(int) -jsimd_can_idct_islow (void) -{ - init_simd(); - - /* The code is optimised for these values only */ - if (DCTSIZE != 8) - return 0; - if (sizeof(JCOEF) != 2) - return 0; - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - if (sizeof(ISLOW_MULT_TYPE) != 2) - return 0; - - if ((simd_support & JSIMD_SSE2) && IS_ALIGNED_SSE(jconst_idct_islow_sse2)) - return 1; - if (simd_support & JSIMD_MMX) - return 1; - - return 0; -} - -GLOBAL(int) -jsimd_can_idct_ifast (void) -{ - init_simd(); - - /* The code is optimised for these values only */ - if (DCTSIZE != 8) - return 0; - if (sizeof(JCOEF) != 2) - return 0; - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - if (sizeof(IFAST_MULT_TYPE) != 2) - return 0; - if (IFAST_SCALE_BITS != 2) - return 0; - - if ((simd_support & JSIMD_SSE2) && IS_ALIGNED_SSE(jconst_idct_ifast_sse2)) - return 1; - if (simd_support & JSIMD_MMX) - return 1; - - return 0; -} - -GLOBAL(int) -jsimd_can_idct_float (void) -{ - init_simd(); - - if (DCTSIZE != 8) - return 0; - if (sizeof(JCOEF) != 2) - return 0; - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - if (sizeof(FAST_FLOAT) != 4) - return 0; - if (sizeof(FLOAT_MULT_TYPE) != 4) - return 0; - - if ((simd_support & JSIMD_SSE2) && IS_ALIGNED_SSE(jconst_idct_float_sse2)) - return 1; - if ((simd_support & JSIMD_SSE) && IS_ALIGNED_SSE(jconst_idct_float_sse)) - return 1; - if (simd_support & JSIMD_3DNOW) - return 1; - - return 0; -} - -GLOBAL(void) -jsimd_idct_islow (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, JSAMPARRAY output_buf, - JDIMENSION output_col) -{ - if ((simd_support & JSIMD_SSE2) && IS_ALIGNED_SSE(jconst_idct_islow_sse2)) - jsimd_idct_islow_sse2(compptr->dct_table, coef_block, output_buf, output_col); - else if (simd_support & JSIMD_MMX) - jsimd_idct_islow_mmx(compptr->dct_table, coef_block, output_buf, output_col); -} - -GLOBAL(void) -jsimd_idct_ifast (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, JSAMPARRAY output_buf, - JDIMENSION output_col) -{ - if ((simd_support & JSIMD_SSE2) && IS_ALIGNED_SSE(jconst_idct_ifast_sse2)) - jsimd_idct_ifast_sse2(compptr->dct_table, coef_block, output_buf, output_col); - else if (simd_support & JSIMD_MMX) - jsimd_idct_ifast_mmx(compptr->dct_table, coef_block, output_buf, output_col); -} - -GLOBAL(void) -jsimd_idct_float (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, JSAMPARRAY output_buf, - JDIMENSION output_col) -{ - if ((simd_support & JSIMD_SSE2) && IS_ALIGNED_SSE(jconst_idct_float_sse2)) - jsimd_idct_float_sse2(compptr->dct_table, coef_block, - output_buf, output_col); - else if ((simd_support & JSIMD_SSE) && IS_ALIGNED_SSE(jconst_idct_float_sse)) - jsimd_idct_float_sse(compptr->dct_table, coef_block, - output_buf, output_col); - else if (simd_support & JSIMD_3DNOW) - jsimd_idct_float_3dnow(compptr->dct_table, coef_block, - output_buf, output_col); -} - diff --git a/common/jpeg/simd/jsimd_x86_64.c b/common/jpeg/simd/jsimd_x86_64.c deleted file mode 100644 index 7659249e..00000000 --- a/common/jpeg/simd/jsimd_x86_64.c +++ /dev/null @@ -1,681 +0,0 @@ -/* - * jsimd_x86_64.c - * - * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB - * Copyright 2009 D. R. Commander - * - * Based on the x86 SIMD extension for IJG JPEG library, - * Copyright (C) 1999-2006, MIYASAKA Masaru. - * For conditions of distribution and use, see copyright notice in jsimdext.inc - * - * This file contains the interface between the "normal" portions - * of the library and the SIMD implementations when running on a - * x86_64 architecture. - */ - -#define JPEG_INTERNALS -#include "../jinclude.h" -#include "../jpeglib.h" -#include "../jsimd.h" -#include "../jdct.h" -#include "../jsimddct.h" -#include "jsimd.h" - -/* - * In the PIC cases, we have no guarantee that constants will keep - * their alignment. This macro allows us to verify it at runtime. - */ -#define IS_ALIGNED(ptr, order) (((size_t)ptr & ((1 << order) - 1)) == 0) - -#define IS_ALIGNED_SSE(ptr) (IS_ALIGNED(ptr, 4)) /* 16 byte alignment */ - -GLOBAL(int) -jsimd_can_rgb_ycc (void) -{ - /* The code is optimised for these values only */ - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - if ((RGB_PIXELSIZE != 3) && (RGB_PIXELSIZE != 4)) - return 0; - - if (!IS_ALIGNED_SSE(jconst_rgb_ycc_convert_sse2)) - return 0; - - return 1; -} - -GLOBAL(int) -jsimd_can_ycc_rgb (void) -{ - /* The code is optimised for these values only */ - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - if ((RGB_PIXELSIZE != 3) && (RGB_PIXELSIZE != 4)) - return 0; - - if (!IS_ALIGNED_SSE(jconst_ycc_rgb_convert_sse2)) - return 0; - - return 1; -} - -GLOBAL(void) -jsimd_rgb_ycc_convert (j_compress_ptr cinfo, - JSAMPARRAY input_buf, JSAMPIMAGE output_buf, - JDIMENSION output_row, int num_rows) -{ - void (*sse2fct)(JDIMENSION, JSAMPARRAY, JSAMPIMAGE, JDIMENSION, int); - - switch(cinfo->in_color_space) - { - case JCS_EXT_RGB: - sse2fct=jsimd_extrgb_ycc_convert_sse2; - break; - case JCS_EXT_RGBX: - sse2fct=jsimd_extrgbx_ycc_convert_sse2; - break; - case JCS_EXT_BGR: - sse2fct=jsimd_extbgr_ycc_convert_sse2; - break; - case JCS_EXT_BGRX: - sse2fct=jsimd_extbgrx_ycc_convert_sse2; - break; - case JCS_EXT_XBGR: - sse2fct=jsimd_extxbgr_ycc_convert_sse2; - break; - case JCS_EXT_XRGB: - sse2fct=jsimd_extxrgb_ycc_convert_sse2; - break; - default: - sse2fct=jsimd_rgb_ycc_convert_sse2; - break; - } - - sse2fct(cinfo->image_width, input_buf, output_buf, output_row, num_rows); -} - -GLOBAL(void) -jsimd_ycc_rgb_convert (j_decompress_ptr cinfo, - JSAMPIMAGE input_buf, JDIMENSION input_row, - JSAMPARRAY output_buf, int num_rows) -{ - void (*sse2fct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY, int); - - switch(cinfo->out_color_space) - { - case JCS_EXT_RGB: - sse2fct=jsimd_ycc_extrgb_convert_sse2; - break; - case JCS_EXT_RGBX: - sse2fct=jsimd_ycc_extrgbx_convert_sse2; - break; - case JCS_EXT_BGR: - sse2fct=jsimd_ycc_extbgr_convert_sse2; - break; - case JCS_EXT_BGRX: - sse2fct=jsimd_ycc_extbgrx_convert_sse2; - break; - case JCS_EXT_XBGR: - sse2fct=jsimd_ycc_extxbgr_convert_sse2; - break; - case JCS_EXT_XRGB: - sse2fct=jsimd_ycc_extxrgb_convert_sse2; - break; - default: - sse2fct=jsimd_ycc_rgb_convert_sse2; - break; - } - - sse2fct(cinfo->output_width, input_buf, input_row, output_buf, num_rows); -} - -GLOBAL(int) -jsimd_can_h2v2_downsample (void) -{ - /* The code is optimised for these values only */ - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - - return 1; -} - -GLOBAL(int) -jsimd_can_h2v1_downsample (void) -{ - /* The code is optimised for these values only */ - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - - return 1; -} - -GLOBAL(void) -jsimd_h2v2_downsample (j_compress_ptr cinfo, jpeg_component_info * compptr, - JSAMPARRAY input_data, JSAMPARRAY output_data) -{ - jsimd_h2v2_downsample_sse2(cinfo->image_width, - cinfo->max_v_samp_factor, - compptr->v_samp_factor, - compptr->width_in_blocks, - input_data, output_data); -} - -GLOBAL(void) -jsimd_h2v1_downsample (j_compress_ptr cinfo, jpeg_component_info * compptr, - JSAMPARRAY input_data, JSAMPARRAY output_data) -{ - jsimd_h2v1_downsample_sse2(cinfo->image_width, - cinfo->max_v_samp_factor, - compptr->v_samp_factor, - compptr->width_in_blocks, - input_data, output_data); -} - -GLOBAL(int) -jsimd_can_h2v2_upsample (void) -{ - /* The code is optimised for these values only */ - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - - return 1; -} - -GLOBAL(int) -jsimd_can_h2v1_upsample (void) -{ - /* The code is optimised for these values only */ - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - - return 1; -} - -GLOBAL(void) -jsimd_h2v2_upsample (j_decompress_ptr cinfo, - jpeg_component_info * compptr, - JSAMPARRAY input_data, - JSAMPARRAY * output_data_ptr) -{ - jsimd_h2v2_upsample_sse2(cinfo->max_v_samp_factor, - cinfo->output_width, - input_data, output_data_ptr); -} - -GLOBAL(void) -jsimd_h2v1_upsample (j_decompress_ptr cinfo, - jpeg_component_info * compptr, - JSAMPARRAY input_data, - JSAMPARRAY * output_data_ptr) -{ - jsimd_h2v1_upsample_sse2(cinfo->max_v_samp_factor, - cinfo->output_width, - input_data, output_data_ptr); -} - -GLOBAL(int) -jsimd_can_h2v2_fancy_upsample (void) -{ - /* The code is optimised for these values only */ - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - - if (!IS_ALIGNED_SSE(jconst_fancy_upsample_sse2)) - return 0; - - return 1; -} - -GLOBAL(int) -jsimd_can_h2v1_fancy_upsample (void) -{ - /* The code is optimised for these values only */ - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - - if (!IS_ALIGNED_SSE(jconst_fancy_upsample_sse2)) - return 0; - - return 1; -} - -GLOBAL(void) -jsimd_h2v2_fancy_upsample (j_decompress_ptr cinfo, - jpeg_component_info * compptr, - JSAMPARRAY input_data, - JSAMPARRAY * output_data_ptr) -{ - jsimd_h2v2_fancy_upsample_sse2(cinfo->max_v_samp_factor, - compptr->downsampled_width, - input_data, output_data_ptr); -} - -GLOBAL(void) -jsimd_h2v1_fancy_upsample (j_decompress_ptr cinfo, - jpeg_component_info * compptr, - JSAMPARRAY input_data, - JSAMPARRAY * output_data_ptr) -{ - jsimd_h2v1_fancy_upsample_sse2(cinfo->max_v_samp_factor, - compptr->downsampled_width, - input_data, output_data_ptr); -} - -GLOBAL(int) -jsimd_can_h2v2_merged_upsample (void) -{ - /* The code is optimised for these values only */ - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - - if (!IS_ALIGNED_SSE(jconst_merged_upsample_sse2)) - return 0; - - return 1; -} - -GLOBAL(int) -jsimd_can_h2v1_merged_upsample (void) -{ - /* The code is optimised for these values only */ - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - - if (!IS_ALIGNED_SSE(jconst_merged_upsample_sse2)) - return 0; - - return 1; -} - -GLOBAL(void) -jsimd_h2v2_merged_upsample (j_decompress_ptr cinfo, - JSAMPIMAGE input_buf, - JDIMENSION in_row_group_ctr, - JSAMPARRAY output_buf) -{ - void (*sse2fct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY); - - switch(cinfo->out_color_space) - { - case JCS_EXT_RGB: - sse2fct=jsimd_h2v2_extrgb_merged_upsample_sse2; - break; - case JCS_EXT_RGBX: - sse2fct=jsimd_h2v2_extrgbx_merged_upsample_sse2; - break; - case JCS_EXT_BGR: - sse2fct=jsimd_h2v2_extbgr_merged_upsample_sse2; - break; - case JCS_EXT_BGRX: - sse2fct=jsimd_h2v2_extbgrx_merged_upsample_sse2; - break; - case JCS_EXT_XBGR: - sse2fct=jsimd_h2v2_extxbgr_merged_upsample_sse2; - break; - case JCS_EXT_XRGB: - sse2fct=jsimd_h2v2_extxrgb_merged_upsample_sse2; - break; - default: - sse2fct=jsimd_h2v2_merged_upsample_sse2; - break; - } - - sse2fct(cinfo->output_width, input_buf, in_row_group_ctr, output_buf); -} - -GLOBAL(void) -jsimd_h2v1_merged_upsample (j_decompress_ptr cinfo, - JSAMPIMAGE input_buf, - JDIMENSION in_row_group_ctr, - JSAMPARRAY output_buf) -{ - void (*sse2fct)(JDIMENSION, JSAMPIMAGE, JDIMENSION, JSAMPARRAY); - - switch(cinfo->out_color_space) - { - case JCS_EXT_RGB: - sse2fct=jsimd_h2v1_extrgb_merged_upsample_sse2; - break; - case JCS_EXT_RGBX: - sse2fct=jsimd_h2v1_extrgbx_merged_upsample_sse2; - break; - case JCS_EXT_BGR: - sse2fct=jsimd_h2v1_extbgr_merged_upsample_sse2; - break; - case JCS_EXT_BGRX: - sse2fct=jsimd_h2v1_extbgrx_merged_upsample_sse2; - break; - case JCS_EXT_XBGR: - sse2fct=jsimd_h2v1_extxbgr_merged_upsample_sse2; - break; - case JCS_EXT_XRGB: - sse2fct=jsimd_h2v1_extxrgb_merged_upsample_sse2; - break; - default: - sse2fct=jsimd_h2v1_merged_upsample_sse2; - break; - } - - sse2fct(cinfo->output_width, input_buf, in_row_group_ctr, output_buf); -} - -GLOBAL(int) -jsimd_can_convsamp (void) -{ - /* The code is optimised for these values only */ - if (DCTSIZE != 8) - return 0; - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - if (sizeof(DCTELEM) != 2) - return 0; - - return 1; -} - -GLOBAL(int) -jsimd_can_convsamp_float (void) -{ - /* The code is optimised for these values only */ - if (DCTSIZE != 8) - return 0; - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - if (sizeof(FAST_FLOAT) != 4) - return 0; - - return 1; -} - -GLOBAL(void) -jsimd_convsamp (JSAMPARRAY sample_data, JDIMENSION start_col, - DCTELEM * workspace) -{ - jsimd_convsamp_sse2(sample_data, start_col, workspace); -} - -GLOBAL(void) -jsimd_convsamp_float (JSAMPARRAY sample_data, JDIMENSION start_col, - FAST_FLOAT * workspace) -{ - jsimd_convsamp_float_sse2(sample_data, start_col, workspace); -} - -GLOBAL(int) -jsimd_can_fdct_islow (void) -{ - /* The code is optimised for these values only */ - if (DCTSIZE != 8) - return 0; - if (sizeof(DCTELEM) != 2) - return 0; - - if (!IS_ALIGNED_SSE(jconst_fdct_islow_sse2)) - return 0; - - return 1; -} - -GLOBAL(int) -jsimd_can_fdct_ifast (void) -{ - /* The code is optimised for these values only */ - if (DCTSIZE != 8) - return 0; - if (sizeof(DCTELEM) != 2) - return 0; - - if (!IS_ALIGNED_SSE(jconst_fdct_ifast_sse2)) - return 0; - - return 1; -} - -GLOBAL(int) -jsimd_can_fdct_float (void) -{ - /* The code is optimised for these values only */ - if (DCTSIZE != 8) - return 0; - if (sizeof(FAST_FLOAT) != 4) - return 0; - - if (!IS_ALIGNED_SSE(jconst_fdct_float_sse)) - return 0; - - return 1; -} - -GLOBAL(void) -jsimd_fdct_islow (DCTELEM * data) -{ - jsimd_fdct_islow_sse2(data); -} - -GLOBAL(void) -jsimd_fdct_ifast (DCTELEM * data) -{ - jsimd_fdct_ifast_sse2(data); -} - -GLOBAL(void) -jsimd_fdct_float (FAST_FLOAT * data) -{ - jsimd_fdct_float_sse(data); -} - -GLOBAL(int) -jsimd_can_quantize (void) -{ - /* The code is optimised for these values only */ - if (DCTSIZE != 8) - return 0; - if (sizeof(JCOEF) != 2) - return 0; - if (sizeof(DCTELEM) != 2) - return 0; - - return 1; -} - -GLOBAL(int) -jsimd_can_quantize_float (void) -{ - /* The code is optimised for these values only */ - if (DCTSIZE != 8) - return 0; - if (sizeof(JCOEF) != 2) - return 0; - if (sizeof(FAST_FLOAT) != 4) - return 0; - - return 1; -} - -GLOBAL(void) -jsimd_quantize (JCOEFPTR coef_block, DCTELEM * divisors, - DCTELEM * workspace) -{ - jsimd_quantize_sse2(coef_block, divisors, workspace); -} - -GLOBAL(void) -jsimd_quantize_float (JCOEFPTR coef_block, FAST_FLOAT * divisors, - FAST_FLOAT * workspace) -{ - jsimd_quantize_float_sse2(coef_block, divisors, workspace); -} - -GLOBAL(int) -jsimd_can_idct_2x2 (void) -{ - /* The code is optimised for these values only */ - if (DCTSIZE != 8) - return 0; - if (sizeof(JCOEF) != 2) - return 0; - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - if (sizeof(ISLOW_MULT_TYPE) != 2) - return 0; - - if (!IS_ALIGNED_SSE(jconst_idct_red_sse2)) - return 0; - - return 1; -} - -GLOBAL(int) -jsimd_can_idct_4x4 (void) -{ - /* The code is optimised for these values only */ - if (DCTSIZE != 8) - return 0; - if (sizeof(JCOEF) != 2) - return 0; - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - if (sizeof(ISLOW_MULT_TYPE) != 2) - return 0; - - if (!IS_ALIGNED_SSE(jconst_idct_red_sse2)) - return 0; - - return 1; -} - -GLOBAL(void) -jsimd_idct_2x2 (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, JSAMPARRAY output_buf, - JDIMENSION output_col) -{ - jsimd_idct_2x2_sse2(compptr->dct_table, coef_block, output_buf, output_col); -} - -GLOBAL(void) -jsimd_idct_4x4 (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, JSAMPARRAY output_buf, - JDIMENSION output_col) -{ - jsimd_idct_4x4_sse2(compptr->dct_table, coef_block, output_buf, output_col); -} - -GLOBAL(int) -jsimd_can_idct_islow (void) -{ - /* The code is optimised for these values only */ - if (DCTSIZE != 8) - return 0; - if (sizeof(JCOEF) != 2) - return 0; - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - if (sizeof(ISLOW_MULT_TYPE) != 2) - return 0; - - if (!IS_ALIGNED_SSE(jconst_idct_islow_sse2)) - return 0; - - return 1; -} - -GLOBAL(int) -jsimd_can_idct_ifast (void) -{ - /* The code is optimised for these values only */ - if (DCTSIZE != 8) - return 0; - if (sizeof(JCOEF) != 2) - return 0; - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - if (sizeof(IFAST_MULT_TYPE) != 2) - return 0; - if (IFAST_SCALE_BITS != 2) - return 0; - - if (!IS_ALIGNED_SSE(jconst_idct_ifast_sse2)) - return 0; - - return 1; -} - -GLOBAL(int) -jsimd_can_idct_float (void) -{ - if (DCTSIZE != 8) - return 0; - if (sizeof(JCOEF) != 2) - return 0; - if (BITS_IN_JSAMPLE != 8) - return 0; - if (sizeof(JDIMENSION) != 4) - return 0; - if (sizeof(FAST_FLOAT) != 4) - return 0; - if (sizeof(FLOAT_MULT_TYPE) != 4) - return 0; - - if (!IS_ALIGNED_SSE(jconst_idct_float_sse2)) - return 0; - - return 1; -} - -GLOBAL(void) -jsimd_idct_islow (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, JSAMPARRAY output_buf, - JDIMENSION output_col) -{ - jsimd_idct_islow_sse2(compptr->dct_table, coef_block, output_buf, output_col); -} - -GLOBAL(void) -jsimd_idct_ifast (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, JSAMPARRAY output_buf, - JDIMENSION output_col) -{ - jsimd_idct_ifast_sse2(compptr->dct_table, coef_block, output_buf, output_col); -} - -GLOBAL(void) -jsimd_idct_float (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, JSAMPARRAY output_buf, - JDIMENSION output_col) -{ - jsimd_idct_float_sse2(compptr->dct_table, coef_block, - output_buf, output_col); -} - diff --git a/common/jpeg/simd/jsimdcfg.inc.h b/common/jpeg/simd/jsimdcfg.inc.h deleted file mode 100644 index 4876038b..00000000 --- a/common/jpeg/simd/jsimdcfg.inc.h +++ /dev/null @@ -1,168 +0,0 @@ -// This file generates the include file for the assembly -// implementations by abusing the C preprocessor. -// -// Note: Some things are manually defined as they need to -// be mapped to NASM types. - -; -; Automatically generated include file from jsimdcfg.inc.h -; - -#define JPEG_INTERNALS - -#include "../jpeglib.h" -#include "../jconfig.h" -#include "../jmorecfg.h" -#include "jsimd.h" - -#define define(var) %define _cpp_protection_##var -#define definev(var) %define _cpp_protection_##var var - -; -; -- jpeglib.h -; - -definev(DCTSIZE) -definev(DCTSIZE2) - -; -; -- jmorecfg.h -; - -definev(RGB_RED) -definev(RGB_GREEN) -definev(RGB_BLUE) - -definev(RGB_PIXELSIZE) - -; Representation of a single sample (pixel element value). -; On this SIMD implementation, this must be 'unsigned char'. -; - -%define JSAMPLE byte ; unsigned char -%define SIZEOF_JSAMPLE SIZEOF_BYTE ; sizeof(JSAMPLE) - -definev(CENTERJSAMPLE) - -; Representation of a DCT frequency coefficient. -; On this SIMD implementation, this must be 'short'. -; -%define JCOEF word ; short -%define SIZEOF_JCOEF SIZEOF_WORD ; sizeof(JCOEF) - -; Datatype used for image dimensions. -; On this SIMD implementation, this must be 'unsigned int'. -; -%define JDIMENSION dword ; unsigned int -%define SIZEOF_JDIMENSION SIZEOF_DWORD ; sizeof(JDIMENSION) - -%define JSAMPROW POINTER ; JSAMPLE FAR * (jpeglib.h) -%define JSAMPARRAY POINTER ; JSAMPROW * (jpeglib.h) -%define JSAMPIMAGE POINTER ; JSAMPARRAY * (jpeglib.h) -%define JCOEFPTR POINTER ; JCOEF FAR * (jpeglib.h) -%define SIZEOF_JSAMPROW SIZEOF_POINTER ; sizeof(JSAMPROW) -%define SIZEOF_JSAMPARRAY SIZEOF_POINTER ; sizeof(JSAMPARRAY) -%define SIZEOF_JSAMPIMAGE SIZEOF_POINTER ; sizeof(JSAMPIMAGE) -%define SIZEOF_JCOEFPTR SIZEOF_POINTER ; sizeof(JCOEFPTR) - -; -; -- jdct.h -; - -; A forward DCT routine is given a pointer to a work area of type DCTELEM[]; -; the DCT is to be performed in-place in that buffer. -; To maximize parallelism, Type DCTELEM is changed to short (originally, int). -; -%define DCTELEM word ; short -%define SIZEOF_DCTELEM SIZEOF_WORD ; sizeof(DCTELEM) - -%define FAST_FLOAT FP32 ; float -%define SIZEOF_FAST_FLOAT SIZEOF_FP32 ; sizeof(FAST_FLOAT) - -; To maximize parallelism, Type MULTIPLIER is changed to short. -; -%define ISLOW_MULT_TYPE word ; must be short -%define SIZEOF_ISLOW_MULT_TYPE SIZEOF_WORD ; sizeof(ISLOW_MULT_TYPE) - -%define IFAST_MULT_TYPE word ; must be short -%define SIZEOF_IFAST_MULT_TYPE SIZEOF_WORD ; sizeof(IFAST_MULT_TYPE) -%define IFAST_SCALE_BITS 2 ; fractional bits in scale factors - -%define FLOAT_MULT_TYPE FP32 ; must be float -%define SIZEOF_FLOAT_MULT_TYPE SIZEOF_FP32 ; sizeof(FLOAT_MULT_TYPE) - -; -; -- jsimd.h -; - -definev(JSIMD_NONE) -definev(JSIMD_MMX) -definev(JSIMD_3DNOW) -definev(JSIMD_SSE) -definev(JSIMD_SSE2) - -; Short forms of external names for systems with brain-damaged linkers. -; -#ifdef NEED_SHORT_EXTERNAL_NAMES -definev(jpeg_simd_cpu_support) -definev(jsimd_rgb_ycc_convert_mmx) -definev(jsimd_ycc_rgb_convert_mmx) -definev(jconst_rgb_ycc_convert_sse2) -definev(jsimd_rgb_ycc_convert_sse2) -definev(jconst_ycc_rgb_convert_sse2) -definev(jsimd_ycc_rgb_convert_sse2) -definev(jsimd_h2v2_downsample_mmx) -definev(jsimd_h2v1_downsample_mmx) -definev(jsimd_h2v2_downsample_sse2) -definev(jsimd_h2v1_downsample_sse2) -definev(jsimd_h2v2_upsample_mmx) -definev(jsimd_h2v1_upsample_mmx) -definev(jsimd_h2v1_fancy_upsample_mmx) -definev(jsimd_h2v2_fancy_upsample_mmx) -definev(jsimd_h2v1_merged_upsample_mmx) -definev(jsimd_h2v2_merged_upsample_mmx) -definev(jsimd_h2v2_upsample_sse2) -definev(jsimd_h2v1_upsample_sse2) -definev(jconst_fancy_upsample_sse2) -definev(jsimd_h2v1_fancy_upsample_sse2) -definev(jsimd_h2v2_fancy_upsample_sse2) -definev(jconst_merged_upsample_sse2) -definev(jsimd_h2v1_merged_upsample_sse2) -definev(jsimd_h2v2_merged_upsample_sse2) -definev(jsimd_convsamp_mmx) -definev(jsimd_convsamp_sse2) -definev(jsimd_convsamp_float_3dnow) -definev(jsimd_convsamp_float_sse) -definev(jsimd_convsamp_float_sse2) -definev(jsimd_fdct_islow_mmx) -definev(jsimd_fdct_ifast_mmx) -definev(jconst_fdct_islow_sse2) -definev(jsimd_fdct_islow_sse2) -definev(jconst_fdct_ifast_sse2) -definev(jsimd_fdct_ifast_sse2) -definev(jsimd_fdct_float_3dnow) -definev(jconst_fdct_float_sse) -definev(jsimd_fdct_float_sse) -definev(jsimd_quantize_mmx) -definev(jsimd_quantize_sse2) -definev(jsimd_quantize_float_3dnow) -definev(jsimd_quantize_float_sse) -definev(jsimd_quantize_float_sse2) -definev(jsimd_idct_2x2_mmx) -definev(jsimd_idct_4x4_mmx) -definev(jconst_idct_red_sse2) -definev(jsimd_idct_2x2_sse2) -definev(jsimd_idct_4x4_sse2) -definev(jsimd_idct_islow_mmx) -definev(jsimd_idct_ifast_mmx) -definev(jconst_idct_islow_sse2) -definev(jsimd_idct_islow_sse2) -definev(jconst_idct_ifast_sse2) -definev(jsimd_idct_ifast_sse2) -definev(jsimd_idct_float_3dnow) -definev(jconst_idct_float_sse) -definev(jsimd_idct_float_sse) -definev(jconst_idct_float_sse2) -definev(jsimd_idct_float_sse2) -#endif /* NEED_SHORT_EXTERNAL_NAMES */ - diff --git a/common/jpeg/simd/jsimdcpu.asm b/common/jpeg/simd/jsimdcpu.asm deleted file mode 100644 index bdbcc231..00000000 --- a/common/jpeg/simd/jsimdcpu.asm +++ /dev/null @@ -1,105 +0,0 @@ -; -; jsimdcpu.asm - SIMD instruction support check -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; [TAB8] - -%include "jsimdext.inc" - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 32 -; -; Check if the CPU supports SIMD instructions -; -; GLOBAL(unsigned int) -; jpeg_simd_cpu_support (void) -; - - align 16 - global EXTN(jpeg_simd_cpu_support) - -EXTN(jpeg_simd_cpu_support): - push ebx -; push ecx ; need not be preserved -; push edx ; need not be preserved -; push esi ; unused - push edi - - xor edi,edi ; simd support flag - - pushfd - pop eax - mov edx,eax - xor eax, 1<<21 ; flip ID bit in EFLAGS - push eax - popfd - pushfd - pop eax - xor eax,edx - jz short .return ; CPUID is not supported - - ; Check for MMX instruction support - xor eax,eax - cpuid - test eax,eax - jz short .return - - xor eax,eax - inc eax - cpuid - mov eax,edx ; eax = Standard feature flags - - test eax, 1<<23 ; bit23:MMX - jz short .no_mmx - or edi, byte JSIMD_MMX -.no_mmx: - test eax, 1<<25 ; bit25:SSE - jz short .no_sse - or edi, byte JSIMD_SSE -.no_sse: - test eax, 1<<26 ; bit26:SSE2 - jz short .no_sse2 - or edi, byte JSIMD_SSE2 -.no_sse2: - - ; Check for 3DNow! instruction support - mov eax, 0x80000000 - cpuid - cmp eax, 0x80000000 - jbe short .return - - mov eax, 0x80000001 - cpuid - mov eax,edx ; eax = Extended feature flags - - test eax, 1<<31 ; bit31:3DNow!(vendor independent) - jz short .no_3dnow - or edi, byte JSIMD_3DNOW -.no_3dnow: - -.return: - mov eax,edi - - pop edi -; pop esi ; unused -; pop edx ; need not be preserved -; pop ecx ; need not be preserved - pop ebx - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 diff --git a/common/jpeg/simd/jsimdext.inc b/common/jpeg/simd/jsimdext.inc deleted file mode 100644 index 4ea3d17c..00000000 --- a/common/jpeg/simd/jsimdext.inc +++ /dev/null @@ -1,372 +0,0 @@ -; -; jsimdext.inc - common declarations -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; Copyright 2010 D. R. Commander -; -; Based on -; x86 SIMD extension for IJG JPEG library - version 1.02 -; -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; -; This software is provided 'as-is', without any express or implied -; warranty. In no event will the authors be held liable for any damages -; arising from the use of this software. -; -; Permission is granted to anyone to use this software for any purpose, -; including commercial applications, and to alter it and redistribute it -; freely, subject to the following restrictions: -; -; 1. The origin of this software must not be misrepresented; you must not -; claim that you wrote the original software. If you use this software -; in a product, an acknowledgment in the product documentation would be -; appreciated but is not required. -; 2. Altered source versions must be plainly marked as such, and must not be -; misrepresented as being the original software. -; 3. This notice may not be removed or altered from any source distribution. -; -; [TAB8] - -; ========================================================================== -; System-dependent configurations - -%ifdef WIN32 ; ----(nasm -fwin32 -DWIN32 ...)-------- -; * Microsoft Visual C++ -; * MinGW (Minimalist GNU for Windows) -; * CygWin -; * LCC-Win32 - -; -- segment definition -- -; -%define SEG_TEXT .text align=16 public use32 class=CODE -%define SEG_CONST .rdata align=16 public use32 class=CONST - -%elifdef WIN64 ; ----(nasm -fwin64 -DWIN64 ...)-------- -; * Microsoft Visual C++ - -; -- segment definition -- -; -%define SEG_TEXT .text align=16 public use64 class=CODE -%define SEG_CONST .rdata align=16 public use64 class=CONST -%ifdef MSVC -%define EXTN(name) name ; foo() -> foo -%endif - -%elifdef OBJ32 ; ----(nasm -fobj -DOBJ32 ...)---------- -; * Borland C++ (Win32) - -; -- segment definition -- -; -%define SEG_TEXT .text align=16 public use32 class=CODE -%define SEG_CONST .data align=16 public use32 class=DATA - -%elifdef ELF ; ----(nasm -felf[64] -DELF ...)------------ -; * Linux -; * *BSD family Unix using elf format -; * Unix System V, including Solaris x86, UnixWare and SCO Unix - -; mark stack as non-executable -section .note.GNU-stack noalloc noexec nowrite progbits - -; -- segment definition -- -; -%ifdef __x86_64__ -%define SEG_TEXT .text progbits align=16 -%define SEG_CONST .rodata progbits align=16 -%else -%define SEG_TEXT .text progbits alloc exec nowrite align=16 -%define SEG_CONST .rodata progbits alloc noexec nowrite align=16 -%endif - -; To make the code position-independent, append -DPIC to the commandline -; -%define GOT_SYMBOL _GLOBAL_OFFSET_TABLE_ ; ELF supports PIC -%define EXTN(name) name ; foo() -> foo - -%elifdef AOUT ; ----(nasm -faoutb/aout -DAOUT ...)---- -; * Older Linux using a.out format (nasm -f aout -DAOUT ...) -; * *BSD family Unix using a.out format (nasm -f aoutb -DAOUT ...) - -; -- segment definition -- -; -%define SEG_TEXT .text -%define SEG_CONST .data - -; To make the code position-independent, append -DPIC to the commandline -; -%define GOT_SYMBOL __GLOBAL_OFFSET_TABLE_ ; BSD-style a.out supports PIC - -%elifdef MACHO ; ----(nasm -fmacho -DMACHO ...)-------- -; * NeXTstep/OpenStep/Rhapsody/Darwin/MacOS X (Mach-O format) - -; -- segment definition -- -; -%define SEG_TEXT .text ;align=16 ; nasm doesn't accept align=16. why? -%define SEG_CONST .rodata align=16 - -; The generation of position-independent code (PIC) is the default on Darwin. -; -%define PIC -%define GOT_SYMBOL _MACHO_PIC_ ; Mach-O style code-relative addressing - -%else ; ----(Other case)---------------------- - -; -- segment definition -- -; -%define SEG_TEXT .text -%define SEG_CONST .data - -%endif ; ---------------------------------------------- - -; ========================================================================== - -; -------------------------------------------------------------------------- -; Common types -; -%ifdef __x86_64__ -%define POINTER qword ; general pointer type -%define SIZEOF_POINTER SIZEOF_QWORD ; sizeof(POINTER) -%define POINTER_BIT QWORD_BIT ; sizeof(POINTER)*BYTE_BIT -%else -%define POINTER dword ; general pointer type -%define SIZEOF_POINTER SIZEOF_DWORD ; sizeof(POINTER) -%define POINTER_BIT DWORD_BIT ; sizeof(POINTER)*BYTE_BIT -%endif - -%define INT dword ; signed integer type -%define SIZEOF_INT SIZEOF_DWORD ; sizeof(INT) -%define INT_BIT DWORD_BIT ; sizeof(INT)*BYTE_BIT - -%define FP32 dword ; IEEE754 single -%define SIZEOF_FP32 SIZEOF_DWORD ; sizeof(FP32) -%define FP32_BIT DWORD_BIT ; sizeof(FP32)*BYTE_BIT - -%define MMWORD qword ; int64 (MMX register) -%define SIZEOF_MMWORD SIZEOF_QWORD ; sizeof(MMWORD) -%define MMWORD_BIT QWORD_BIT ; sizeof(MMWORD)*BYTE_BIT - -; NASM is buggy and doesn't properly handle operand sizes for SSE -; instructions, so for now we have to define XMMWORD as blank. -%define XMMWORD ; int128 (SSE register) -%define SIZEOF_XMMWORD SIZEOF_OWORD ; sizeof(XMMWORD) -%define XMMWORD_BIT OWORD_BIT ; sizeof(XMMWORD)*BYTE_BIT - -; Similar hacks for when we load a dword or MMWORD into an xmm# register -%define XMM_DWORD -%define XMM_MMWORD - -%define SIZEOF_BYTE 1 ; sizeof(BYTE) -%define SIZEOF_WORD 2 ; sizeof(WORD) -%define SIZEOF_DWORD 4 ; sizeof(DWORD) -%define SIZEOF_QWORD 8 ; sizeof(QWORD) -%define SIZEOF_OWORD 16 ; sizeof(OWORD) - -%define BYTE_BIT 8 ; CHAR_BIT in C -%define WORD_BIT 16 ; sizeof(WORD)*BYTE_BIT -%define DWORD_BIT 32 ; sizeof(DWORD)*BYTE_BIT -%define QWORD_BIT 64 ; sizeof(QWORD)*BYTE_BIT -%define OWORD_BIT 128 ; sizeof(OWORD)*BYTE_BIT - -; -------------------------------------------------------------------------- -; External Symbol Name -; -%ifndef EXTN -%define EXTN(name) _ %+ name ; foo() -> _foo -%endif - -; -------------------------------------------------------------------------- -; Macros for position-independent code (PIC) support -; -%ifndef GOT_SYMBOL -%undef PIC -%endif - -%ifdef PIC ; ------------------------------------------- - -%ifidn GOT_SYMBOL,_MACHO_PIC_ ; -------------------- - -; At present, nasm doesn't seem to support PIC generation for Mach-O. -; The PIC support code below is a little tricky. - - SECTION SEG_CONST -const_base: - -%define GOTOFF(got,sym) (got) + (sym) - const_base - -%imacro get_GOT 1 - ; NOTE: this macro destroys ecx resister. - call %%geteip - add ecx, byte (%%ref - $) - jmp short %%adjust -%%geteip: - mov ecx, POINTER [esp] - ret -%%adjust: - push ebp - xor ebp,ebp ; ebp = 0 -%ifidni %1,ebx ; (%1 == ebx) - ; db 0x8D,0x9C + jmp near const_base = - ; lea ebx, [ecx+ebp*8+(const_base-%%ref)] ; 8D,9C,E9,(offset32) - db 0x8D,0x9C ; 8D,9C - jmp near const_base ; E9,(const_base-%%ref) -%%ref: -%else ; (%1 != ebx) - ; db 0x8D,0x8C + jmp near const_base = - ; lea ecx, [ecx+ebp*8+(const_base-%%ref)] ; 8D,8C,E9,(offset32) - db 0x8D,0x8C ; 8D,8C - jmp near const_base ; E9,(const_base-%%ref) -%%ref: mov %1, ecx -%endif ; (%1 == ebx) - pop ebp -%endmacro - -%else ; GOT_SYMBOL != _MACHO_PIC_ ---------------- - -%define GOTOFF(got,sym) (got) + (sym) wrt ..gotoff - -%imacro get_GOT 1 - extern GOT_SYMBOL - call %%geteip - add %1, GOT_SYMBOL + $$ - $ wrt ..gotpc - jmp short %%done -%%geteip: - mov %1, POINTER [esp] - ret -%%done: -%endmacro - -%endif ; GOT_SYMBOL == _MACHO_PIC_ ---------------- - -%imacro pushpic 1.nolist - push %1 -%endmacro -%imacro poppic 1.nolist - pop %1 -%endmacro -%imacro movpic 2.nolist - mov %1,%2 -%endmacro - -%else ; !PIC ----------------------------------------- - -%define GOTOFF(got,sym) (sym) - -%imacro get_GOT 1.nolist -%endmacro -%imacro pushpic 1.nolist -%endmacro -%imacro poppic 1.nolist -%endmacro -%imacro movpic 2.nolist -%endmacro - -%endif ; PIC ----------------------------------------- - -; -------------------------------------------------------------------------- -; Align the next instruction on {2,4,8,16,..}-byte boundary. -; ".balign n,,m" in GNU as -; -%define MSKLE(x,y) (~(((y) & 0xFFFF) - ((x) & 0xFFFF)) >> 16) -%define FILLB(b,n) (($$-(b)) & ((n)-1)) - -%imacro alignx 1-2.nolist 0xFFFF -%%bs: times MSKLE(FILLB(%%bs,%1),%2) & MSKLE(16,FILLB($,%1)) & FILLB($,%1) \ - db 0x90 ; nop - times MSKLE(FILLB(%%bs,%1),%2) & FILLB($,%1)/9 \ - db 0x8D,0x9C,0x23,0x00,0x00,0x00,0x00 ; lea ebx,[ebx+0x00000000] - times MSKLE(FILLB(%%bs,%1),%2) & FILLB($,%1)/7 \ - db 0x8D,0xAC,0x25,0x00,0x00,0x00,0x00 ; lea ebp,[ebp+0x00000000] - times MSKLE(FILLB(%%bs,%1),%2) & FILLB($,%1)/6 \ - db 0x8D,0xAD,0x00,0x00,0x00,0x00 ; lea ebp,[ebp+0x00000000] - times MSKLE(FILLB(%%bs,%1),%2) & FILLB($,%1)/4 \ - db 0x8D,0x6C,0x25,0x00 ; lea ebp,[ebp+0x00] - times MSKLE(FILLB(%%bs,%1),%2) & FILLB($,%1)/3 \ - db 0x8D,0x6D,0x00 ; lea ebp,[ebp+0x00] - times MSKLE(FILLB(%%bs,%1),%2) & FILLB($,%1)/2 \ - db 0x8B,0xED ; mov ebp,ebp - times MSKLE(FILLB(%%bs,%1),%2) & FILLB($,%1)/1 \ - db 0x90 ; nop -%endmacro - -; Align the next data on {2,4,8,16,..}-byte boundary. -; -%imacro alignz 1.nolist - align %1, db 0 ; filling zeros -%endmacro - -%ifdef __x86_64__ - -%ifdef WIN64 - -%imacro collect_args 0 - push r10 - push r11 - push r12 - push r13 - push r14 - push r15 - mov r10, rcx - mov r11, rdx - mov r12, r8 - mov r13, r9 - mov r14, [rax+48] - mov r15, [rax+56] - push rsi - push rdi - sub rsp, SIZEOF_XMMWORD - movlpd XMMWORD [rsp], xmm6 - sub rsp, SIZEOF_XMMWORD - movlpd XMMWORD [rsp], xmm7 -%endmacro - -%imacro uncollect_args 0 - movlpd xmm7, XMMWORD [rsp] - add rsp, SIZEOF_XMMWORD - movlpd xmm6, XMMWORD [rsp] - add rsp, SIZEOF_XMMWORD - pop rdi - pop rsi - pop r15 - pop r14 - pop r13 - pop r12 - pop r11 - pop r10 -%endmacro - -%else - -%imacro collect_args 0 - push r10 - push r11 - push r12 - push r13 - push r14 - push r15 - mov r10, rdi - mov r11, rsi - mov r12, rdx - mov r13, rcx - mov r14, r8 - mov r15, r9 -%endmacro - -%imacro uncollect_args 0 - pop r15 - pop r14 - pop r13 - pop r12 - pop r11 - pop r10 -%endmacro - -%endif - -%endif - -; -------------------------------------------------------------------------- -; Defines picked up from the C headers -; -%include "jsimdcfg.inc" - -; -------------------------------------------------------------------------- diff --git a/common/jpeg/simd/nasm_lt.sh b/common/jpeg/simd/nasm_lt.sh deleted file mode 100755 index 6cd73294..00000000 --- a/common/jpeg/simd/nasm_lt.sh +++ /dev/null @@ -1,57 +0,0 @@ -#! /bin/sh -command="" -infile="" -o_opt=no -pic=no -while [ $# -gt 0 ]; do - case "$1" in - -DPIC|-fPIC|-fpic|-Kpic|-KPIC) - if [ "$pic" != "yes" ] ; then - command="$command -DPIC" - pic=yes - fi - ;; - -f|-fbin|-faout|-faoutb|-fcoff|-felf|-felf64|-fas86| \ - -fobj|-fwin32|-fwin64|-frdf|-fieee|-fmacho|-fmacho64) - # it's a file format specifier for nasm. - command="$command $1" - ;; - -f*) - # maybe a code-generation flag for gcc. - ;; - -[Ii]*) - incdir=`echo "$1" | sed 's/^-[Ii]//'` - if [ "x$incdir" = x -a "x$2" != x ] ; then - case "$2" in - -*) ;; - *) incdir="$2"; shift;; - esac - fi - if [ "x$incdir" != x ] ; then - # In the case of NASM, the trailing slash is necessary. - incdir=`echo "$incdir" | sed 's%/*$%/%'` - command="$command -I$incdir" - fi - ;; - -o*) - o_opt=yes - command="$command $1" - ;; - *.asm) - infile=$1 - command="$command $1" - ;; - *) - command="$command $1" - ;; - esac - shift -done -if [ "$o_opt" != yes ] ; then - # By default, NASM creates an output file - # in the same directory as the input file. - outfile="-o `echo $infile | sed -e 's%^.*/%%' -e 's%\.[^.]*$%%'`.o" - command="$command $outfile" -fi -echo $command -exec $command diff --git a/common/jpeg/testimg.bmp b/common/jpeg/testimg.bmp Binary files differdeleted file mode 100644 index 8603d154..00000000 --- a/common/jpeg/testimg.bmp +++ /dev/null diff --git a/common/jpeg/testimgflt-nosimd.jpg b/common/jpeg/testimgflt-nosimd.jpg Binary files differdeleted file mode 100644 index 462f39b2..00000000 --- a/common/jpeg/testimgflt-nosimd.jpg +++ /dev/null diff --git a/common/jpeg/testimgflt.jpg b/common/jpeg/testimgflt.jpg Binary files differdeleted file mode 100644 index 832f4ccb..00000000 --- a/common/jpeg/testimgflt.jpg +++ /dev/null diff --git a/common/jpeg/testimgflt.ppm b/common/jpeg/testimgflt.ppm deleted file mode 100644 index 78945b66..00000000 --- a/common/jpeg/testimgflt.ppm +++ /dev/null @@ -1,4 +0,0 @@ -P6 -227 149 -255 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\ No newline at end of file diff --git a/common/jpeg/transupp.c b/common/jpeg/transupp.c deleted file mode 100644 index e5ec5642..00000000 --- a/common/jpeg/transupp.c +++ /dev/null @@ -1,928 +0,0 @@ -/* - * transupp.c - * - * Copyright (C) 1997, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains image transformation routines and other utility code - * used by the jpegtran sample application. These are NOT part of the core - * JPEG library. But we keep these routines separate from jpegtran.c to - * ease the task of maintaining jpegtran-like programs that have other user - * interfaces. - */ - -/* Although this file really shouldn't have access to the library internals, - * it's helpful to let it call jround_up() and jcopy_block_row(). - */ -#define JPEG_INTERNALS - -#include "jinclude.h" -#include "jpeglib.h" -#include "transupp.h" /* My own external interface */ - - -#if TRANSFORMS_SUPPORTED - -/* - * Lossless image transformation routines. These routines work on DCT - * coefficient arrays and thus do not require any lossy decompression - * or recompression of the image. - * Thanks to Guido Vollbeding for the initial design and code of this feature. - * - * Horizontal flipping is done in-place, using a single top-to-bottom - * pass through the virtual source array. It will thus be much the - * fastest option for images larger than main memory. - * - * The other routines require a set of destination virtual arrays, so they - * need twice as much memory as jpegtran normally does. The destination - * arrays are always written in normal scan order (top to bottom) because - * the virtual array manager expects this. The source arrays will be scanned - * in the corresponding order, which means multiple passes through the source - * arrays for most of the transforms. That could result in much thrashing - * if the image is larger than main memory. - * - * Some notes about the operating environment of the individual transform - * routines: - * 1. Both the source and destination virtual arrays are allocated from the - * source JPEG object, and therefore should be manipulated by calling the - * source's memory manager. - * 2. The destination's component count should be used. It may be smaller - * than the source's when forcing to grayscale. - * 3. Likewise the destination's sampling factors should be used. When - * forcing to grayscale the destination's sampling factors will be all 1, - * and we may as well take that as the effective iMCU size. - * 4. When "trim" is in effect, the destination's dimensions will be the - * trimmed values but the source's will be untrimmed. - * 5. All the routines assume that the source and destination buffers are - * padded out to a full iMCU boundary. This is true, although for the - * source buffer it is an undocumented property of jdcoefct.c. - * Notes 2,3,4 boil down to this: generally we should use the destination's - * dimensions and ignore the source's. - */ - - -LOCAL(void) -do_flip_h (j_decompress_ptr srcinfo, j_compress_ptr dstinfo, - jvirt_barray_ptr *src_coef_arrays) -/* Horizontal flip; done in-place, so no separate dest array is required */ -{ - JDIMENSION MCU_cols, comp_width, blk_x, blk_y; - int ci, k, offset_y; - JBLOCKARRAY buffer; - JCOEFPTR ptr1, ptr2; - JCOEF temp1, temp2; - jpeg_component_info *compptr; - - /* Horizontal mirroring of DCT blocks is accomplished by swapping - * pairs of blocks in-place. Within a DCT block, we perform horizontal - * mirroring by changing the signs of odd-numbered columns. - * Partial iMCUs at the right edge are left untouched. - */ - MCU_cols = dstinfo->image_width / (dstinfo->max_h_samp_factor * DCTSIZE); - - for (ci = 0; ci < dstinfo->num_components; ci++) { - compptr = dstinfo->comp_info + ci; - comp_width = MCU_cols * compptr->h_samp_factor; - for (blk_y = 0; blk_y < compptr->height_in_blocks; - blk_y += compptr->v_samp_factor) { - buffer = (*srcinfo->mem->access_virt_barray) - ((j_common_ptr) srcinfo, src_coef_arrays[ci], blk_y, - (JDIMENSION) compptr->v_samp_factor, TRUE); - for (offset_y = 0; offset_y < compptr->v_samp_factor; offset_y++) { - for (blk_x = 0; blk_x * 2 < comp_width; blk_x++) { - ptr1 = buffer[offset_y][blk_x]; - ptr2 = buffer[offset_y][comp_width - blk_x - 1]; - /* this unrolled loop doesn't need to know which row it's on... */ - for (k = 0; k < DCTSIZE2; k += 2) { - temp1 = *ptr1; /* swap even column */ - temp2 = *ptr2; - *ptr1++ = temp2; - *ptr2++ = temp1; - temp1 = *ptr1; /* swap odd column with sign change */ - temp2 = *ptr2; - *ptr1++ = -temp2; - *ptr2++ = -temp1; - } - } - } - } - } -} - - -LOCAL(void) -do_flip_v (j_decompress_ptr srcinfo, j_compress_ptr dstinfo, - jvirt_barray_ptr *src_coef_arrays, - jvirt_barray_ptr *dst_coef_arrays) -/* Vertical flip */ -{ - JDIMENSION MCU_rows, comp_height, dst_blk_x, dst_blk_y; - int ci, i, j, offset_y; - JBLOCKARRAY src_buffer, dst_buffer; - JBLOCKROW src_row_ptr, dst_row_ptr; - JCOEFPTR src_ptr, dst_ptr; - jpeg_component_info *compptr; - - /* We output into a separate array because we can't touch different - * rows of the source virtual array simultaneously. Otherwise, this - * is a pretty straightforward analog of horizontal flip. - * Within a DCT block, vertical mirroring is done by changing the signs - * of odd-numbered rows. - * Partial iMCUs at the bottom edge are copied verbatim. - */ - MCU_rows = dstinfo->image_height / (dstinfo->max_v_samp_factor * DCTSIZE); - - for (ci = 0; ci < dstinfo->num_components; ci++) { - compptr = dstinfo->comp_info + ci; - comp_height = MCU_rows * compptr->v_samp_factor; - for (dst_blk_y = 0; dst_blk_y < compptr->height_in_blocks; - dst_blk_y += compptr->v_samp_factor) { - dst_buffer = (*srcinfo->mem->access_virt_barray) - ((j_common_ptr) srcinfo, dst_coef_arrays[ci], dst_blk_y, - (JDIMENSION) compptr->v_samp_factor, TRUE); - if (dst_blk_y < comp_height) { - /* Row is within the mirrorable area. */ - src_buffer = (*srcinfo->mem->access_virt_barray) - ((j_common_ptr) srcinfo, src_coef_arrays[ci], - comp_height - dst_blk_y - (JDIMENSION) compptr->v_samp_factor, - (JDIMENSION) compptr->v_samp_factor, FALSE); - } else { - /* Bottom-edge blocks will be copied verbatim. */ - src_buffer = (*srcinfo->mem->access_virt_barray) - ((j_common_ptr) srcinfo, src_coef_arrays[ci], dst_blk_y, - (JDIMENSION) compptr->v_samp_factor, FALSE); - } - for (offset_y = 0; offset_y < compptr->v_samp_factor; offset_y++) { - if (dst_blk_y < comp_height) { - /* Row is within the mirrorable area. */ - dst_row_ptr = dst_buffer[offset_y]; - src_row_ptr = src_buffer[compptr->v_samp_factor - offset_y - 1]; - for (dst_blk_x = 0; dst_blk_x < compptr->width_in_blocks; - dst_blk_x++) { - dst_ptr = dst_row_ptr[dst_blk_x]; - src_ptr = src_row_ptr[dst_blk_x]; - for (i = 0; i < DCTSIZE; i += 2) { - /* copy even row */ - for (j = 0; j < DCTSIZE; j++) - *dst_ptr++ = *src_ptr++; - /* copy odd row with sign change */ - for (j = 0; j < DCTSIZE; j++) - *dst_ptr++ = - *src_ptr++; - } - } - } else { - /* Just copy row verbatim. */ - jcopy_block_row(src_buffer[offset_y], dst_buffer[offset_y], - compptr->width_in_blocks); - } - } - } - } -} - - -LOCAL(void) -do_transpose (j_decompress_ptr srcinfo, j_compress_ptr dstinfo, - jvirt_barray_ptr *src_coef_arrays, - jvirt_barray_ptr *dst_coef_arrays) -/* Transpose source into destination */ -{ - JDIMENSION dst_blk_x, dst_blk_y; - int ci, i, j, offset_x, offset_y; - JBLOCKARRAY src_buffer, dst_buffer; - JCOEFPTR src_ptr, dst_ptr; - jpeg_component_info *compptr; - - /* Transposing pixels within a block just requires transposing the - * DCT coefficients. - * Partial iMCUs at the edges require no special treatment; we simply - * process all the available DCT blocks for every component. - */ - for (ci = 0; ci < dstinfo->num_components; ci++) { - compptr = dstinfo->comp_info + ci; - for (dst_blk_y = 0; dst_blk_y < compptr->height_in_blocks; - dst_blk_y += compptr->v_samp_factor) { - dst_buffer = (*srcinfo->mem->access_virt_barray) - ((j_common_ptr) srcinfo, dst_coef_arrays[ci], dst_blk_y, - (JDIMENSION) compptr->v_samp_factor, TRUE); - for (offset_y = 0; offset_y < compptr->v_samp_factor; offset_y++) { - for (dst_blk_x = 0; dst_blk_x < compptr->width_in_blocks; - dst_blk_x += compptr->h_samp_factor) { - src_buffer = (*srcinfo->mem->access_virt_barray) - ((j_common_ptr) srcinfo, src_coef_arrays[ci], dst_blk_x, - (JDIMENSION) compptr->h_samp_factor, FALSE); - for (offset_x = 0; offset_x < compptr->h_samp_factor; offset_x++) { - src_ptr = src_buffer[offset_x][dst_blk_y + offset_y]; - dst_ptr = dst_buffer[offset_y][dst_blk_x + offset_x]; - for (i = 0; i < DCTSIZE; i++) - for (j = 0; j < DCTSIZE; j++) - dst_ptr[j*DCTSIZE+i] = src_ptr[i*DCTSIZE+j]; - } - } - } - } - } -} - - -LOCAL(void) -do_rot_90 (j_decompress_ptr srcinfo, j_compress_ptr dstinfo, - jvirt_barray_ptr *src_coef_arrays, - jvirt_barray_ptr *dst_coef_arrays) -/* 90 degree rotation is equivalent to - * 1. Transposing the image; - * 2. Horizontal mirroring. - * These two steps are merged into a single processing routine. - */ -{ - JDIMENSION MCU_cols, comp_width, dst_blk_x, dst_blk_y; - int ci, i, j, offset_x, offset_y; - JBLOCKARRAY src_buffer, dst_buffer; - JCOEFPTR src_ptr, dst_ptr; - jpeg_component_info *compptr; - - /* Because of the horizontal mirror step, we can't process partial iMCUs - * at the (output) right edge properly. They just get transposed and - * not mirrored. - */ - MCU_cols = dstinfo->image_width / (dstinfo->max_h_samp_factor * DCTSIZE); - - for (ci = 0; ci < dstinfo->num_components; ci++) { - compptr = dstinfo->comp_info + ci; - comp_width = MCU_cols * compptr->h_samp_factor; - for (dst_blk_y = 0; dst_blk_y < compptr->height_in_blocks; - dst_blk_y += compptr->v_samp_factor) { - dst_buffer = (*srcinfo->mem->access_virt_barray) - ((j_common_ptr) srcinfo, dst_coef_arrays[ci], dst_blk_y, - (JDIMENSION) compptr->v_samp_factor, TRUE); - for (offset_y = 0; offset_y < compptr->v_samp_factor; offset_y++) { - for (dst_blk_x = 0; dst_blk_x < compptr->width_in_blocks; - dst_blk_x += compptr->h_samp_factor) { - src_buffer = (*srcinfo->mem->access_virt_barray) - ((j_common_ptr) srcinfo, src_coef_arrays[ci], dst_blk_x, - (JDIMENSION) compptr->h_samp_factor, FALSE); - for (offset_x = 0; offset_x < compptr->h_samp_factor; offset_x++) { - src_ptr = src_buffer[offset_x][dst_blk_y + offset_y]; - if (dst_blk_x < comp_width) { - /* Block is within the mirrorable area. */ - dst_ptr = dst_buffer[offset_y] - [comp_width - dst_blk_x - offset_x - 1]; - for (i = 0; i < DCTSIZE; i++) { - for (j = 0; j < DCTSIZE; j++) - dst_ptr[j*DCTSIZE+i] = src_ptr[i*DCTSIZE+j]; - i++; - for (j = 0; j < DCTSIZE; j++) - dst_ptr[j*DCTSIZE+i] = -src_ptr[i*DCTSIZE+j]; - } - } else { - /* Edge blocks are transposed but not mirrored. */ - dst_ptr = dst_buffer[offset_y][dst_blk_x + offset_x]; - for (i = 0; i < DCTSIZE; i++) - for (j = 0; j < DCTSIZE; j++) - dst_ptr[j*DCTSIZE+i] = src_ptr[i*DCTSIZE+j]; - } - } - } - } - } - } -} - - -LOCAL(void) -do_rot_270 (j_decompress_ptr srcinfo, j_compress_ptr dstinfo, - jvirt_barray_ptr *src_coef_arrays, - jvirt_barray_ptr *dst_coef_arrays) -/* 270 degree rotation is equivalent to - * 1. Horizontal mirroring; - * 2. Transposing the image. - * These two steps are merged into a single processing routine. - */ -{ - JDIMENSION MCU_rows, comp_height, dst_blk_x, dst_blk_y; - int ci, i, j, offset_x, offset_y; - JBLOCKARRAY src_buffer, dst_buffer; - JCOEFPTR src_ptr, dst_ptr; - jpeg_component_info *compptr; - - /* Because of the horizontal mirror step, we can't process partial iMCUs - * at the (output) bottom edge properly. They just get transposed and - * not mirrored. - */ - MCU_rows = dstinfo->image_height / (dstinfo->max_v_samp_factor * DCTSIZE); - - for (ci = 0; ci < dstinfo->num_components; ci++) { - compptr = dstinfo->comp_info + ci; - comp_height = MCU_rows * compptr->v_samp_factor; - for (dst_blk_y = 0; dst_blk_y < compptr->height_in_blocks; - dst_blk_y += compptr->v_samp_factor) { - dst_buffer = (*srcinfo->mem->access_virt_barray) - ((j_common_ptr) srcinfo, dst_coef_arrays[ci], dst_blk_y, - (JDIMENSION) compptr->v_samp_factor, TRUE); - for (offset_y = 0; offset_y < compptr->v_samp_factor; offset_y++) { - for (dst_blk_x = 0; dst_blk_x < compptr->width_in_blocks; - dst_blk_x += compptr->h_samp_factor) { - src_buffer = (*srcinfo->mem->access_virt_barray) - ((j_common_ptr) srcinfo, src_coef_arrays[ci], dst_blk_x, - (JDIMENSION) compptr->h_samp_factor, FALSE); - for (offset_x = 0; offset_x < compptr->h_samp_factor; offset_x++) { - dst_ptr = dst_buffer[offset_y][dst_blk_x + offset_x]; - if (dst_blk_y < comp_height) { - /* Block is within the mirrorable area. */ - src_ptr = src_buffer[offset_x] - [comp_height - dst_blk_y - offset_y - 1]; - for (i = 0; i < DCTSIZE; i++) { - for (j = 0; j < DCTSIZE; j++) { - dst_ptr[j*DCTSIZE+i] = src_ptr[i*DCTSIZE+j]; - j++; - dst_ptr[j*DCTSIZE+i] = -src_ptr[i*DCTSIZE+j]; - } - } - } else { - /* Edge blocks are transposed but not mirrored. */ - src_ptr = src_buffer[offset_x][dst_blk_y + offset_y]; - for (i = 0; i < DCTSIZE; i++) - for (j = 0; j < DCTSIZE; j++) - dst_ptr[j*DCTSIZE+i] = src_ptr[i*DCTSIZE+j]; - } - } - } - } - } - } -} - - -LOCAL(void) -do_rot_180 (j_decompress_ptr srcinfo, j_compress_ptr dstinfo, - jvirt_barray_ptr *src_coef_arrays, - jvirt_barray_ptr *dst_coef_arrays) -/* 180 degree rotation is equivalent to - * 1. Vertical mirroring; - * 2. Horizontal mirroring. - * These two steps are merged into a single processing routine. - */ -{ - JDIMENSION MCU_cols, MCU_rows, comp_width, comp_height, dst_blk_x, dst_blk_y; - int ci, i, j, offset_y; - JBLOCKARRAY src_buffer, dst_buffer; - JBLOCKROW src_row_ptr, dst_row_ptr; - JCOEFPTR src_ptr, dst_ptr; - jpeg_component_info *compptr; - - MCU_cols = dstinfo->image_width / (dstinfo->max_h_samp_factor * DCTSIZE); - MCU_rows = dstinfo->image_height / (dstinfo->max_v_samp_factor * DCTSIZE); - - for (ci = 0; ci < dstinfo->num_components; ci++) { - compptr = dstinfo->comp_info + ci; - comp_width = MCU_cols * compptr->h_samp_factor; - comp_height = MCU_rows * compptr->v_samp_factor; - for (dst_blk_y = 0; dst_blk_y < compptr->height_in_blocks; - dst_blk_y += compptr->v_samp_factor) { - dst_buffer = (*srcinfo->mem->access_virt_barray) - ((j_common_ptr) srcinfo, dst_coef_arrays[ci], dst_blk_y, - (JDIMENSION) compptr->v_samp_factor, TRUE); - if (dst_blk_y < comp_height) { - /* Row is within the vertically mirrorable area. */ - src_buffer = (*srcinfo->mem->access_virt_barray) - ((j_common_ptr) srcinfo, src_coef_arrays[ci], - comp_height - dst_blk_y - (JDIMENSION) compptr->v_samp_factor, - (JDIMENSION) compptr->v_samp_factor, FALSE); - } else { - /* Bottom-edge rows are only mirrored horizontally. */ - src_buffer = (*srcinfo->mem->access_virt_barray) - ((j_common_ptr) srcinfo, src_coef_arrays[ci], dst_blk_y, - (JDIMENSION) compptr->v_samp_factor, FALSE); - } - for (offset_y = 0; offset_y < compptr->v_samp_factor; offset_y++) { - if (dst_blk_y < comp_height) { - /* Row is within the mirrorable area. */ - dst_row_ptr = dst_buffer[offset_y]; - src_row_ptr = src_buffer[compptr->v_samp_factor - offset_y - 1]; - /* Process the blocks that can be mirrored both ways. */ - for (dst_blk_x = 0; dst_blk_x < comp_width; dst_blk_x++) { - dst_ptr = dst_row_ptr[dst_blk_x]; - src_ptr = src_row_ptr[comp_width - dst_blk_x - 1]; - for (i = 0; i < DCTSIZE; i += 2) { - /* For even row, negate every odd column. */ - for (j = 0; j < DCTSIZE; j += 2) { - *dst_ptr++ = *src_ptr++; - *dst_ptr++ = - *src_ptr++; - } - /* For odd row, negate every even column. */ - for (j = 0; j < DCTSIZE; j += 2) { - *dst_ptr++ = - *src_ptr++; - *dst_ptr++ = *src_ptr++; - } - } - } - /* Any remaining right-edge blocks are only mirrored vertically. */ - for (; dst_blk_x < compptr->width_in_blocks; dst_blk_x++) { - dst_ptr = dst_row_ptr[dst_blk_x]; - src_ptr = src_row_ptr[dst_blk_x]; - for (i = 0; i < DCTSIZE; i += 2) { - for (j = 0; j < DCTSIZE; j++) - *dst_ptr++ = *src_ptr++; - for (j = 0; j < DCTSIZE; j++) - *dst_ptr++ = - *src_ptr++; - } - } - } else { - /* Remaining rows are just mirrored horizontally. */ - dst_row_ptr = dst_buffer[offset_y]; - src_row_ptr = src_buffer[offset_y]; - /* Process the blocks that can be mirrored. */ - for (dst_blk_x = 0; dst_blk_x < comp_width; dst_blk_x++) { - dst_ptr = dst_row_ptr[dst_blk_x]; - src_ptr = src_row_ptr[comp_width - dst_blk_x - 1]; - for (i = 0; i < DCTSIZE2; i += 2) { - *dst_ptr++ = *src_ptr++; - *dst_ptr++ = - *src_ptr++; - } - } - /* Any remaining right-edge blocks are only copied. */ - for (; dst_blk_x < compptr->width_in_blocks; dst_blk_x++) { - dst_ptr = dst_row_ptr[dst_blk_x]; - src_ptr = src_row_ptr[dst_blk_x]; - for (i = 0; i < DCTSIZE2; i++) - *dst_ptr++ = *src_ptr++; - } - } - } - } - } -} - - -LOCAL(void) -do_transverse (j_decompress_ptr srcinfo, j_compress_ptr dstinfo, - jvirt_barray_ptr *src_coef_arrays, - jvirt_barray_ptr *dst_coef_arrays) -/* Transverse transpose is equivalent to - * 1. 180 degree rotation; - * 2. Transposition; - * or - * 1. Horizontal mirroring; - * 2. Transposition; - * 3. Horizontal mirroring. - * These steps are merged into a single processing routine. - */ -{ - JDIMENSION MCU_cols, MCU_rows, comp_width, comp_height, dst_blk_x, dst_blk_y; - int ci, i, j, offset_x, offset_y; - JBLOCKARRAY src_buffer, dst_buffer; - JCOEFPTR src_ptr, dst_ptr; - jpeg_component_info *compptr; - - MCU_cols = dstinfo->image_width / (dstinfo->max_h_samp_factor * DCTSIZE); - MCU_rows = dstinfo->image_height / (dstinfo->max_v_samp_factor * DCTSIZE); - - for (ci = 0; ci < dstinfo->num_components; ci++) { - compptr = dstinfo->comp_info + ci; - comp_width = MCU_cols * compptr->h_samp_factor; - comp_height = MCU_rows * compptr->v_samp_factor; - for (dst_blk_y = 0; dst_blk_y < compptr->height_in_blocks; - dst_blk_y += compptr->v_samp_factor) { - dst_buffer = (*srcinfo->mem->access_virt_barray) - ((j_common_ptr) srcinfo, dst_coef_arrays[ci], dst_blk_y, - (JDIMENSION) compptr->v_samp_factor, TRUE); - for (offset_y = 0; offset_y < compptr->v_samp_factor; offset_y++) { - for (dst_blk_x = 0; dst_blk_x < compptr->width_in_blocks; - dst_blk_x += compptr->h_samp_factor) { - src_buffer = (*srcinfo->mem->access_virt_barray) - ((j_common_ptr) srcinfo, src_coef_arrays[ci], dst_blk_x, - (JDIMENSION) compptr->h_samp_factor, FALSE); - for (offset_x = 0; offset_x < compptr->h_samp_factor; offset_x++) { - if (dst_blk_y < comp_height) { - src_ptr = src_buffer[offset_x] - [comp_height - dst_blk_y - offset_y - 1]; - if (dst_blk_x < comp_width) { - /* Block is within the mirrorable area. */ - dst_ptr = dst_buffer[offset_y] - [comp_width - dst_blk_x - offset_x - 1]; - for (i = 0; i < DCTSIZE; i++) { - for (j = 0; j < DCTSIZE; j++) { - dst_ptr[j*DCTSIZE+i] = src_ptr[i*DCTSIZE+j]; - j++; - dst_ptr[j*DCTSIZE+i] = -src_ptr[i*DCTSIZE+j]; - } - i++; - for (j = 0; j < DCTSIZE; j++) { - dst_ptr[j*DCTSIZE+i] = -src_ptr[i*DCTSIZE+j]; - j++; - dst_ptr[j*DCTSIZE+i] = src_ptr[i*DCTSIZE+j]; - } - } - } else { - /* Right-edge blocks are mirrored in y only */ - dst_ptr = dst_buffer[offset_y][dst_blk_x + offset_x]; - for (i = 0; i < DCTSIZE; i++) { - for (j = 0; j < DCTSIZE; j++) { - dst_ptr[j*DCTSIZE+i] = src_ptr[i*DCTSIZE+j]; - j++; - dst_ptr[j*DCTSIZE+i] = -src_ptr[i*DCTSIZE+j]; - } - } - } - } else { - src_ptr = src_buffer[offset_x][dst_blk_y + offset_y]; - if (dst_blk_x < comp_width) { - /* Bottom-edge blocks are mirrored in x only */ - dst_ptr = dst_buffer[offset_y] - [comp_width - dst_blk_x - offset_x - 1]; - for (i = 0; i < DCTSIZE; i++) { - for (j = 0; j < DCTSIZE; j++) - dst_ptr[j*DCTSIZE+i] = src_ptr[i*DCTSIZE+j]; - i++; - for (j = 0; j < DCTSIZE; j++) - dst_ptr[j*DCTSIZE+i] = -src_ptr[i*DCTSIZE+j]; - } - } else { - /* At lower right corner, just transpose, no mirroring */ - dst_ptr = dst_buffer[offset_y][dst_blk_x + offset_x]; - for (i = 0; i < DCTSIZE; i++) - for (j = 0; j < DCTSIZE; j++) - dst_ptr[j*DCTSIZE+i] = src_ptr[i*DCTSIZE+j]; - } - } - } - } - } - } - } -} - - -/* Request any required workspace. - * - * We allocate the workspace virtual arrays from the source decompression - * object, so that all the arrays (both the original data and the workspace) - * will be taken into account while making memory management decisions. - * Hence, this routine must be called after jpeg_read_header (which reads - * the image dimensions) and before jpeg_read_coefficients (which realizes - * the source's virtual arrays). - */ - -GLOBAL(void) -jtransform_request_workspace (j_decompress_ptr srcinfo, - jpeg_transform_info *info) -{ - jvirt_barray_ptr *coef_arrays = NULL; - jpeg_component_info *compptr; - int ci; - - if (info->force_grayscale && - srcinfo->jpeg_color_space == JCS_YCbCr && - srcinfo->num_components == 3) { - /* We'll only process the first component */ - info->num_components = 1; - } else { - /* Process all the components */ - info->num_components = srcinfo->num_components; - } - - switch (info->transform) { - case JXFORM_NONE: - case JXFORM_FLIP_H: - /* Don't need a workspace array */ - break; - case JXFORM_FLIP_V: - case JXFORM_ROT_180: - /* Need workspace arrays having same dimensions as source image. - * Note that we allocate arrays padded out to the next iMCU boundary, - * so that transform routines need not worry about missing edge blocks. - */ - coef_arrays = (jvirt_barray_ptr *) - (*srcinfo->mem->alloc_small) ((j_common_ptr) srcinfo, JPOOL_IMAGE, - SIZEOF(jvirt_barray_ptr) * info->num_components); - for (ci = 0; ci < info->num_components; ci++) { - compptr = srcinfo->comp_info + ci; - coef_arrays[ci] = (*srcinfo->mem->request_virt_barray) - ((j_common_ptr) srcinfo, JPOOL_IMAGE, FALSE, - (JDIMENSION) jround_up((long) compptr->width_in_blocks, - (long) compptr->h_samp_factor), - (JDIMENSION) jround_up((long) compptr->height_in_blocks, - (long) compptr->v_samp_factor), - (JDIMENSION) compptr->v_samp_factor); - } - break; - case JXFORM_TRANSPOSE: - case JXFORM_TRANSVERSE: - case JXFORM_ROT_90: - case JXFORM_ROT_270: - /* Need workspace arrays having transposed dimensions. - * Note that we allocate arrays padded out to the next iMCU boundary, - * so that transform routines need not worry about missing edge blocks. - */ - coef_arrays = (jvirt_barray_ptr *) - (*srcinfo->mem->alloc_small) ((j_common_ptr) srcinfo, JPOOL_IMAGE, - SIZEOF(jvirt_barray_ptr) * info->num_components); - for (ci = 0; ci < info->num_components; ci++) { - compptr = srcinfo->comp_info + ci; - coef_arrays[ci] = (*srcinfo->mem->request_virt_barray) - ((j_common_ptr) srcinfo, JPOOL_IMAGE, FALSE, - (JDIMENSION) jround_up((long) compptr->height_in_blocks, - (long) compptr->v_samp_factor), - (JDIMENSION) jround_up((long) compptr->width_in_blocks, - (long) compptr->h_samp_factor), - (JDIMENSION) compptr->h_samp_factor); - } - break; - } - info->workspace_coef_arrays = coef_arrays; -} - - -/* Transpose destination image parameters */ - -LOCAL(void) -transpose_critical_parameters (j_compress_ptr dstinfo) -{ - int tblno, i, j, ci, itemp; - jpeg_component_info *compptr; - JQUANT_TBL *qtblptr; - JDIMENSION dtemp; - UINT16 qtemp; - - /* Transpose basic image dimensions */ - dtemp = dstinfo->image_width; - dstinfo->image_width = dstinfo->image_height; - dstinfo->image_height = dtemp; - - /* Transpose sampling factors */ - for (ci = 0; ci < dstinfo->num_components; ci++) { - compptr = dstinfo->comp_info + ci; - itemp = compptr->h_samp_factor; - compptr->h_samp_factor = compptr->v_samp_factor; - compptr->v_samp_factor = itemp; - } - - /* Transpose quantization tables */ - for (tblno = 0; tblno < NUM_QUANT_TBLS; tblno++) { - qtblptr = dstinfo->quant_tbl_ptrs[tblno]; - if (qtblptr != NULL) { - for (i = 0; i < DCTSIZE; i++) { - for (j = 0; j < i; j++) { - qtemp = qtblptr->quantval[i*DCTSIZE+j]; - qtblptr->quantval[i*DCTSIZE+j] = qtblptr->quantval[j*DCTSIZE+i]; - qtblptr->quantval[j*DCTSIZE+i] = qtemp; - } - } - } - } -} - - -/* Trim off any partial iMCUs on the indicated destination edge */ - -LOCAL(void) -trim_right_edge (j_compress_ptr dstinfo) -{ - int ci, max_h_samp_factor; - JDIMENSION MCU_cols; - - /* We have to compute max_h_samp_factor ourselves, - * because it hasn't been set yet in the destination - * (and we don't want to use the source's value). - */ - max_h_samp_factor = 1; - for (ci = 0; ci < dstinfo->num_components; ci++) { - int h_samp_factor = dstinfo->comp_info[ci].h_samp_factor; - max_h_samp_factor = MAX(max_h_samp_factor, h_samp_factor); - } - MCU_cols = dstinfo->image_width / (max_h_samp_factor * DCTSIZE); - if (MCU_cols > 0) /* can't trim to 0 pixels */ - dstinfo->image_width = MCU_cols * (max_h_samp_factor * DCTSIZE); -} - -LOCAL(void) -trim_bottom_edge (j_compress_ptr dstinfo) -{ - int ci, max_v_samp_factor; - JDIMENSION MCU_rows; - - /* We have to compute max_v_samp_factor ourselves, - * because it hasn't been set yet in the destination - * (and we don't want to use the source's value). - */ - max_v_samp_factor = 1; - for (ci = 0; ci < dstinfo->num_components; ci++) { - int v_samp_factor = dstinfo->comp_info[ci].v_samp_factor; - max_v_samp_factor = MAX(max_v_samp_factor, v_samp_factor); - } - MCU_rows = dstinfo->image_height / (max_v_samp_factor * DCTSIZE); - if (MCU_rows > 0) /* can't trim to 0 pixels */ - dstinfo->image_height = MCU_rows * (max_v_samp_factor * DCTSIZE); -} - - -/* Adjust output image parameters as needed. - * - * This must be called after jpeg_copy_critical_parameters() - * and before jpeg_write_coefficients(). - * - * The return value is the set of virtual coefficient arrays to be written - * (either the ones allocated by jtransform_request_workspace, or the - * original source data arrays). The caller will need to pass this value - * to jpeg_write_coefficients(). - */ - -GLOBAL(jvirt_barray_ptr *) -jtransform_adjust_parameters (j_decompress_ptr srcinfo, - j_compress_ptr dstinfo, - jvirt_barray_ptr *src_coef_arrays, - jpeg_transform_info *info) -{ - /* If force-to-grayscale is requested, adjust destination parameters */ - if (info->force_grayscale) { - /* We use jpeg_set_colorspace to make sure subsidiary settings get fixed - * properly. Among other things, the target h_samp_factor & v_samp_factor - * will get set to 1, which typically won't match the source. - * In fact we do this even if the source is already grayscale; that - * provides an easy way of coercing a grayscale JPEG with funny sampling - * factors to the customary 1,1. (Some decoders fail on other factors.) - */ - if ((dstinfo->jpeg_color_space == JCS_YCbCr && - dstinfo->num_components == 3) || - (dstinfo->jpeg_color_space == JCS_GRAYSCALE && - dstinfo->num_components == 1)) { - /* We have to preserve the source's quantization table number. */ - int sv_quant_tbl_no = dstinfo->comp_info[0].quant_tbl_no; - jpeg_set_colorspace(dstinfo, JCS_GRAYSCALE); - dstinfo->comp_info[0].quant_tbl_no = sv_quant_tbl_no; - } else { - /* Sorry, can't do it */ - ERREXIT(dstinfo, JERR_CONVERSION_NOTIMPL); - } - } - - /* Correct the destination's image dimensions etc if necessary */ - switch (info->transform) { - case JXFORM_NONE: - /* Nothing to do */ - break; - case JXFORM_FLIP_H: - if (info->trim) - trim_right_edge(dstinfo); - break; - case JXFORM_FLIP_V: - if (info->trim) - trim_bottom_edge(dstinfo); - break; - case JXFORM_TRANSPOSE: - transpose_critical_parameters(dstinfo); - /* transpose does NOT have to trim anything */ - break; - case JXFORM_TRANSVERSE: - transpose_critical_parameters(dstinfo); - if (info->trim) { - trim_right_edge(dstinfo); - trim_bottom_edge(dstinfo); - } - break; - case JXFORM_ROT_90: - transpose_critical_parameters(dstinfo); - if (info->trim) - trim_right_edge(dstinfo); - break; - case JXFORM_ROT_180: - if (info->trim) { - trim_right_edge(dstinfo); - trim_bottom_edge(dstinfo); - } - break; - case JXFORM_ROT_270: - transpose_critical_parameters(dstinfo); - if (info->trim) - trim_bottom_edge(dstinfo); - break; - } - - /* Return the appropriate output data set */ - if (info->workspace_coef_arrays != NULL) - return info->workspace_coef_arrays; - return src_coef_arrays; -} - - -/* Execute the actual transformation, if any. - * - * This must be called *after* jpeg_write_coefficients, because it depends - * on jpeg_write_coefficients to have computed subsidiary values such as - * the per-component width and height fields in the destination object. - * - * Note that some transformations will modify the source data arrays! - */ - -GLOBAL(void) -jtransform_execute_transformation (j_decompress_ptr srcinfo, - j_compress_ptr dstinfo, - jvirt_barray_ptr *src_coef_arrays, - jpeg_transform_info *info) -{ - jvirt_barray_ptr *dst_coef_arrays = info->workspace_coef_arrays; - - switch (info->transform) { - case JXFORM_NONE: - break; - case JXFORM_FLIP_H: - do_flip_h(srcinfo, dstinfo, src_coef_arrays); - break; - case JXFORM_FLIP_V: - do_flip_v(srcinfo, dstinfo, src_coef_arrays, dst_coef_arrays); - break; - case JXFORM_TRANSPOSE: - do_transpose(srcinfo, dstinfo, src_coef_arrays, dst_coef_arrays); - break; - case JXFORM_TRANSVERSE: - do_transverse(srcinfo, dstinfo, src_coef_arrays, dst_coef_arrays); - break; - case JXFORM_ROT_90: - do_rot_90(srcinfo, dstinfo, src_coef_arrays, dst_coef_arrays); - break; - case JXFORM_ROT_180: - do_rot_180(srcinfo, dstinfo, src_coef_arrays, dst_coef_arrays); - break; - case JXFORM_ROT_270: - do_rot_270(srcinfo, dstinfo, src_coef_arrays, dst_coef_arrays); - break; - } -} - -#endif /* TRANSFORMS_SUPPORTED */ - - -/* Setup decompression object to save desired markers in memory. - * This must be called before jpeg_read_header() to have the desired effect. - */ - -GLOBAL(void) -jcopy_markers_setup (j_decompress_ptr srcinfo, JCOPY_OPTION option) -{ -#ifdef SAVE_MARKERS_SUPPORTED - int m; - - /* Save comments except under NONE option */ - if (option != JCOPYOPT_NONE) { - jpeg_save_markers(srcinfo, JPEG_COM, 0xFFFF); - } - /* Save all types of APPn markers iff ALL option */ - if (option == JCOPYOPT_ALL) { - for (m = 0; m < 16; m++) - jpeg_save_markers(srcinfo, JPEG_APP0 + m, 0xFFFF); - } -#endif /* SAVE_MARKERS_SUPPORTED */ -} - -/* Copy markers saved in the given source object to the destination object. - * This should be called just after jpeg_start_compress() or - * jpeg_write_coefficients(). - * Note that those routines will have written the SOI, and also the - * JFIF APP0 or Adobe APP14 markers if selected. - */ - -GLOBAL(void) -jcopy_markers_execute (j_decompress_ptr srcinfo, j_compress_ptr dstinfo, - JCOPY_OPTION option) -{ - jpeg_saved_marker_ptr marker; - - /* In the current implementation, we don't actually need to examine the - * option flag here; we just copy everything that got saved. - * But to avoid confusion, we do not output JFIF and Adobe APP14 markers - * if the encoder library already wrote one. - */ - for (marker = srcinfo->marker_list; marker != NULL; marker = marker->next) { - if (dstinfo->write_JFIF_header && - marker->marker == JPEG_APP0 && - marker->data_length >= 5 && - GETJOCTET(marker->data[0]) == 0x4A && - GETJOCTET(marker->data[1]) == 0x46 && - GETJOCTET(marker->data[2]) == 0x49 && - GETJOCTET(marker->data[3]) == 0x46 && - GETJOCTET(marker->data[4]) == 0) - continue; /* reject duplicate JFIF */ - if (dstinfo->write_Adobe_marker && - marker->marker == JPEG_APP0+14 && - marker->data_length >= 5 && - GETJOCTET(marker->data[0]) == 0x41 && - GETJOCTET(marker->data[1]) == 0x64 && - GETJOCTET(marker->data[2]) == 0x6F && - GETJOCTET(marker->data[3]) == 0x62 && - GETJOCTET(marker->data[4]) == 0x65) - continue; /* reject duplicate Adobe */ -#ifdef NEED_FAR_POINTERS - /* We could use jpeg_write_marker if the data weren't FAR... */ - { - unsigned int i; - jpeg_write_m_header(dstinfo, marker->marker, marker->data_length); - for (i = 0; i < marker->data_length; i++) - jpeg_write_m_byte(dstinfo, marker->data[i]); - } -#else - jpeg_write_marker(dstinfo, marker->marker, - marker->data, marker->data_length); -#endif - } -} diff --git a/common/jpeg/transupp.h b/common/jpeg/transupp.h deleted file mode 100644 index 5c2d32af..00000000 --- a/common/jpeg/transupp.h +++ /dev/null @@ -1,135 +0,0 @@ -/* - * transupp.h - * - * Copyright (C) 1997, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains declarations for image transformation routines and - * other utility code used by the jpegtran sample application. These are - * NOT part of the core JPEG library. But we keep these routines separate - * from jpegtran.c to ease the task of maintaining jpegtran-like programs - * that have other user interfaces. - * - * NOTE: all the routines declared here have very specific requirements - * about when they are to be executed during the reading and writing of the - * source and destination files. See the comments in transupp.c, or see - * jpegtran.c for an example of correct usage. - */ - -/* If you happen not to want the image transform support, disable it here */ -#ifndef TRANSFORMS_SUPPORTED -#define TRANSFORMS_SUPPORTED 1 /* 0 disables transform code */ -#endif - -/* Short forms of external names for systems with brain-damaged linkers. */ - -#ifdef NEED_SHORT_EXTERNAL_NAMES -#define jtransform_request_workspace jTrRequest -#define jtransform_adjust_parameters jTrAdjust -#define jtransform_execute_transformation jTrExec -#define jcopy_markers_setup jCMrkSetup -#define jcopy_markers_execute jCMrkExec -#endif /* NEED_SHORT_EXTERNAL_NAMES */ - - -/* - * Codes for supported types of image transformations. - */ - -typedef enum { - JXFORM_NONE, /* no transformation */ - JXFORM_FLIP_H, /* horizontal flip */ - JXFORM_FLIP_V, /* vertical flip */ - JXFORM_TRANSPOSE, /* transpose across UL-to-LR axis */ - JXFORM_TRANSVERSE, /* transpose across UR-to-LL axis */ - JXFORM_ROT_90, /* 90-degree clockwise rotation */ - JXFORM_ROT_180, /* 180-degree rotation */ - JXFORM_ROT_270 /* 270-degree clockwise (or 90 ccw) */ -} JXFORM_CODE; - -/* - * Although rotating and flipping data expressed as DCT coefficients is not - * hard, there is an asymmetry in the JPEG format specification for images - * whose dimensions aren't multiples of the iMCU size. The right and bottom - * image edges are padded out to the next iMCU boundary with junk data; but - * no padding is possible at the top and left edges. If we were to flip - * the whole image including the pad data, then pad garbage would become - * visible at the top and/or left, and real pixels would disappear into the - * pad margins --- perhaps permanently, since encoders & decoders may not - * bother to preserve DCT blocks that appear to be completely outside the - * nominal image area. So, we have to exclude any partial iMCUs from the - * basic transformation. - * - * Transpose is the only transformation that can handle partial iMCUs at the - * right and bottom edges completely cleanly. flip_h can flip partial iMCUs - * at the bottom, but leaves any partial iMCUs at the right edge untouched. - * Similarly flip_v leaves any partial iMCUs at the bottom edge untouched. - * The other transforms are defined as combinations of these basic transforms - * and process edge blocks in a way that preserves the equivalence. - * - * The "trim" option causes untransformable partial iMCUs to be dropped; - * this is not strictly lossless, but it usually gives the best-looking - * result for odd-size images. Note that when this option is active, - * the expected mathematical equivalences between the transforms may not hold. - * (For example, -rot 270 -trim trims only the bottom edge, but -rot 90 -trim - * followed by -rot 180 -trim trims both edges.) - * - * We also offer a "force to grayscale" option, which simply discards the - * chrominance channels of a YCbCr image. This is lossless in the sense that - * the luminance channel is preserved exactly. It's not the same kind of - * thing as the rotate/flip transformations, but it's convenient to handle it - * as part of this package, mainly because the transformation routines have to - * be aware of the option to know how many components to work on. - */ - -typedef struct { - /* Options: set by caller */ - JXFORM_CODE transform; /* image transform operator */ - boolean trim; /* if TRUE, trim partial MCUs as needed */ - boolean force_grayscale; /* if TRUE, convert color image to grayscale */ - - /* Internal workspace: caller should not touch these */ - int num_components; /* # of components in workspace */ - jvirt_barray_ptr * workspace_coef_arrays; /* workspace for transformations */ -} jpeg_transform_info; - - -#if TRANSFORMS_SUPPORTED - -/* Request any required workspace */ -EXTERN(void) jtransform_request_workspace - JPP((j_decompress_ptr srcinfo, jpeg_transform_info *info)); -/* Adjust output image parameters */ -EXTERN(jvirt_barray_ptr *) jtransform_adjust_parameters - JPP((j_decompress_ptr srcinfo, j_compress_ptr dstinfo, - jvirt_barray_ptr *src_coef_arrays, - jpeg_transform_info *info)); -/* Execute the actual transformation, if any */ -EXTERN(void) jtransform_execute_transformation - JPP((j_decompress_ptr srcinfo, j_compress_ptr dstinfo, - jvirt_barray_ptr *src_coef_arrays, - jpeg_transform_info *info)); - -#endif /* TRANSFORMS_SUPPORTED */ - - -/* - * Support for copying optional markers from source to destination file. - */ - -typedef enum { - JCOPYOPT_NONE, /* copy no optional markers */ - JCOPYOPT_COMMENTS, /* copy only comment (COM) markers */ - JCOPYOPT_ALL /* copy all optional markers */ -} JCOPY_OPTION; - -#define JCOPYOPT_DEFAULT JCOPYOPT_COMMENTS /* recommended default */ - -/* Setup decompression object to save desired markers in memory */ -EXTERN(void) jcopy_markers_setup - JPP((j_decompress_ptr srcinfo, JCOPY_OPTION option)); -/* Copy markers saved in the given source object to the destination object */ -EXTERN(void) jcopy_markers_execute - JPP((j_decompress_ptr srcinfo, j_compress_ptr dstinfo, - JCOPY_OPTION option)); diff --git a/common/jpeg/turbojpeg.h b/common/jpeg/turbojpeg.h deleted file mode 100644 index c8458e83..00000000 --- a/common/jpeg/turbojpeg.h +++ /dev/null @@ -1,226 +0,0 @@ -/* Copyright (C)2004 Landmark Graphics Corporation - * Copyright (C)2005, 2006 Sun Microsystems, Inc. - * Copyright (C)2009 D. R. Commander - * - * This library is free software and may be redistributed and/or modified under - * the terms of the wxWindows Library License, Version 3.1 or (at your option) - * any later version. The full license is in the LICENSE.txt file included - * with this distribution. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * wxWindows Library License for more details. - */ - -#if (defined(_MSC_VER) || defined(__CYGWIN__) || defined(__MINGW32__)) && defined(_WIN32) && defined(DLLDEFINE) -#define DLLEXPORT __declspec(dllexport) -#else -#define DLLEXPORT -#endif - -#define DLLCALL - -/* Subsampling */ -#define NUMSUBOPT 4 - -enum {TJ_444=0, TJ_422, TJ_420, TJ_GRAYSCALE}; -#define TJ_411 TJ_420 /* for backward compatibility with VirtualGL <= 2.1.x, - TurboVNC <= 0.6, and TurboJPEG/IPP */ - -/* Flags */ -#define TJ_BGR 1 - /* The components of each pixel in the source/destination bitmap are stored - in B,G,R order, not R,G,B */ -#define TJ_BOTTOMUP 2 - /* The source/destination bitmap is stored in bottom-up (Windows, OpenGL) - order, not top-down (X11) order */ -#define TJ_FORCEMMX 8 - /* Turn off CPU auto-detection and force TurboJPEG to use MMX code - (IPP and 32-bit libjpeg-turbo versions only) */ -#define TJ_FORCESSE 16 - /* Turn off CPU auto-detection and force TurboJPEG to use SSE code - (32-bit IPP and 32-bit libjpeg-turbo versions only) */ -#define TJ_FORCESSE2 32 - /* Turn off CPU auto-detection and force TurboJPEG to use SSE2 code - (32-bit IPP and 32-bit libjpeg-turbo versions only) */ -#define TJ_ALPHAFIRST 64 - /* If the source/destination bitmap is 32 bpp, assume that each pixel is - ARGB/XRGB (or ABGR/XBGR if TJ_BGR is also specified) */ -#define TJ_FORCESSE3 128 - /* Turn off CPU auto-detection and force TurboJPEG to use SSE3 code - (64-bit IPP version only) */ -#define TJ_FASTUPSAMPLE 256 - /* Use fast, inaccurate 4:2:2 and 4:2:0 YUV upsampling routines - (libjpeg version only) */ -typedef void* tjhandle; - -#define TJPAD(p) (((p)+3)&(~3)) -#ifndef max - #define max(a,b) ((a)>(b)?(a):(b)) -#endif - -#ifdef __cplusplus -extern "C" { -#endif - -/* API follows */ - - -/* - tjhandle tjInitCompress(void) - - Creates a new JPEG compressor instance, allocates memory for the structures, - and returns a handle to the instance. Most applications will only - need to call this once at the beginning of the program or once for each - concurrent thread. Don't try to create a new instance every time you - compress an image, because this will cause performance to suffer. - - RETURNS: NULL on error -*/ -DLLEXPORT tjhandle DLLCALL tjInitCompress(void); - - -/* - int tjCompress(tjhandle j, - unsigned char *srcbuf, int width, int pitch, int height, int pixelsize, - unsigned char *dstbuf, unsigned long *size, - int jpegsubsamp, int jpegqual, int flags) - - [INPUT] j = instance handle previously returned from a call to - tjInitCompress() - [INPUT] srcbuf = pointer to user-allocated image buffer containing pixels in - RGB(A) or BGR(A) form - [INPUT] width = width (in pixels) of the source image - [INPUT] pitch = bytes per line of the source image (width*pixelsize if the - bitmap is unpadded, else TJPAD(width*pixelsize) if each line of the bitmap - is padded to the nearest 32-bit boundary, such as is the case for Windows - bitmaps. You can also be clever and use this parameter to skip lines, etc., - as long as the pitch is greater than 0.) - [INPUT] height = height (in pixels) of the source image - [INPUT] pixelsize = size (in bytes) of each pixel in the source image - RGBA and BGRA: 4, RGB and BGR: 3 - [INPUT] dstbuf = pointer to user-allocated image buffer which will receive - the JPEG image. Use the macro TJBUFSIZE(width, height) to determine - the appropriate size for this buffer based on the image width and height. - [OUTPUT] size = pointer to unsigned long which receives the size (in bytes) - of the compressed image - [INPUT] jpegsubsamp = Specifies either 4:2:0, 4:2:2, or 4:4:4 subsampling. - When the image is converted from the RGB to YCbCr colorspace as part of the - JPEG compression process, every other Cb and Cr (chrominance) pixel can be - discarded to produce a smaller image with little perceptible loss of - image clarity (the human eye is more sensitive to small changes in - brightness than small changes in color.) - - TJ_420: 4:2:0 subsampling. Discards every other Cb, Cr pixel in both - horizontal and vertical directions. - TJ_422: 4:2:2 subsampling. Discards every other Cb, Cr pixel only in - the horizontal direction. - TJ_444: no subsampling. - TJ_GRAYSCALE: Generate grayscale JPEG image - - [INPUT] jpegqual = JPEG quality (an integer between 0 and 100 inclusive.) - [INPUT] flags = the bitwise OR of one or more of the flags described in the - "Flags" section above. - - RETURNS: 0 on success, -1 on error -*/ -DLLEXPORT int DLLCALL tjCompress(tjhandle j, - unsigned char *srcbuf, int width, int pitch, int height, int pixelsize, - unsigned char *dstbuf, unsigned long *size, - int jpegsubsamp, int jpegqual, int flags); - -DLLEXPORT unsigned long DLLCALL TJBUFSIZE(int width, int height); - -/* - tjhandle tjInitDecompress(void) - - Creates a new JPEG decompressor instance, allocates memory for the - structures, and returns a handle to the instance. Most applications will - only need to call this once at the beginning of the program or once for each - concurrent thread. Don't try to create a new instance every time you - decompress an image, because this will cause performance to suffer. - - RETURNS: NULL on error -*/ -DLLEXPORT tjhandle DLLCALL tjInitDecompress(void); - - -/* - int tjDecompressHeader(tjhandle j, - unsigned char *srcbuf, unsigned long size, - int *width, int *height) - - [INPUT] j = instance handle previously returned from a call to - tjInitDecompress() - [INPUT] srcbuf = pointer to a user-allocated buffer containing the JPEG image - to decompress - [INPUT] size = size of the JPEG image buffer (in bytes) - [OUTPUT] width = width (in pixels) of the JPEG image - [OUTPUT] height = height (in pixels) of the JPEG image - - RETURNS: 0 on success, -1 on error -*/ -DLLEXPORT int DLLCALL tjDecompressHeader(tjhandle j, - unsigned char *srcbuf, unsigned long size, - int *width, int *height); - - -/* - int tjDecompress(tjhandle j, - unsigned char *srcbuf, unsigned long size, - unsigned char *dstbuf, int width, int pitch, int height, int pixelsize, - int flags) - - [INPUT] j = instance handle previously returned from a call to - tjInitDecompress() - [INPUT] srcbuf = pointer to a user-allocated buffer containing the JPEG image - to decompress - [INPUT] size = size of the JPEG image buffer (in bytes) - [INPUT] dstbuf = pointer to user-allocated image buffer which will receive - the bitmap image. This buffer should normally be pitch*height - bytes in size, although this pointer may also be used to decompress into - a specific region of a larger buffer. - [INPUT] width = width (in pixels) of the destination image - [INPUT] pitch = bytes per line of the destination image (width*pixelsize if the - bitmap is unpadded, else TJPAD(width*pixelsize) if each line of the bitmap - is padded to the nearest 32-bit boundary, such as is the case for Windows - bitmaps. You can also be clever and use this parameter to skip lines, etc., - as long as the pitch is greater than 0.) - [INPUT] height = height (in pixels) of the destination image - [INPUT] pixelsize = size (in bytes) of each pixel in the destination image - RGBA/RGBx and BGRA/BGRx: 4, RGB and BGR: 3 - [INPUT] flags = the bitwise OR of one or more of the flags described in the - "Flags" section above. - - RETURNS: 0 on success, -1 on error -*/ -DLLEXPORT int DLLCALL tjDecompress(tjhandle j, - unsigned char *srcbuf, unsigned long size, - unsigned char *dstbuf, int width, int pitch, int height, int pixelsize, - int flags); - - -/* - int tjDestroy(tjhandle h) - - Frees structures associated with a compression or decompression instance - - [INPUT] h = instance handle (returned from a previous call to - tjInitCompress() or tjInitDecompress() - - RETURNS: 0 on success, -1 on error -*/ -DLLEXPORT int DLLCALL tjDestroy(tjhandle h); - - -/* - char *tjGetErrorStr(void) - - Returns a descriptive error message explaining why the last command failed -*/ -DLLEXPORT char* DLLCALL tjGetErrorStr(void); - -#ifdef __cplusplus -} -#endif diff --git a/common/jpeg/turbojpegl.c b/common/jpeg/turbojpegl.c deleted file mode 100644 index eeaedd17..00000000 --- a/common/jpeg/turbojpegl.c +++ /dev/null @@ -1,364 +0,0 @@ -/* Copyright (C)2004 Landmark Graphics Corporation - * Copyright (C)2005 Sun Microsystems, Inc. - * Copyright (C)2009 D. R. Commander - * - * This library is free software and may be redistributed and/or modified under - * the terms of the wxWindows Library License, Version 3.1 or (at your option) - * any later version. The full license is in the LICENSE.txt file included - * with this distribution. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * wxWindows Library License for more details. - */ - -// This implements a JPEG compressor/decompressor using the libjpeg API - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <jpeglib.h> -#include <jerror.h> -#include <setjmp.h> -#include "./turbojpeg.h" - - -// Error handling - -static char lasterror[JMSG_LENGTH_MAX]="No error"; - -typedef struct _error_mgr -{ - struct jpeg_error_mgr pub; - jmp_buf jb; -} error_mgr; - -static void my_error_exit(j_common_ptr cinfo) -{ - error_mgr *myerr = (error_mgr *)cinfo->err; - (*cinfo->err->output_message)(cinfo); - longjmp(myerr->jb, 1); -} - -static void my_output_message(j_common_ptr cinfo) -{ - (*cinfo->err->format_message)(cinfo, lasterror); -} - - -// Global structures, macros, etc. - -typedef struct _jpgstruct -{ - struct jpeg_compress_struct cinfo; - struct jpeg_decompress_struct dinfo; - struct jpeg_destination_mgr jdms; - struct jpeg_source_mgr jsms; - error_mgr jerr; - int initc, initd; -} jpgstruct; - -static const int hsampfactor[NUMSUBOPT]={1, 2, 2, 1}; -static const int vsampfactor[NUMSUBOPT]={1, 1, 2, 1}; - -#define _throw(c) {sprintf(lasterror, "%s", c); return -1;} -#define _catch(f) {if((f)==-1) return -1;} -#define checkhandle(h) jpgstruct *j=(jpgstruct *)h; \ - if(!j) _throw("Invalid handle"); - - -// CO - -static boolean empty_output_buffer(struct jpeg_compress_struct *cinfo) -{ - ERREXIT(cinfo, JERR_BUFFER_SIZE); - return TRUE; -} - -static void destination_noop(struct jpeg_compress_struct *cinfo) -{ -} - -DLLEXPORT tjhandle DLLCALL tjInitCompress(void) -{ - jpgstruct *j=NULL; - if((j=(jpgstruct *)malloc(sizeof(jpgstruct)))==NULL) - {sprintf(lasterror, "Memory allocation failure"); return NULL;} - memset(j, 0, sizeof(jpgstruct)); - j->cinfo.err=jpeg_std_error(&j->jerr.pub); - j->jerr.pub.error_exit=my_error_exit; - j->jerr.pub.output_message=my_output_message; - - if(setjmp(j->jerr.jb)) - { // this will execute if LIBJPEG has an error - if(j) free(j); return NULL; - } - - jpeg_create_compress(&j->cinfo); - j->cinfo.dest=&j->jdms; - j->jdms.init_destination=destination_noop; - j->jdms.empty_output_buffer=empty_output_buffer; - j->jdms.term_destination=destination_noop; - - j->initc=1; - return (tjhandle)j; -} - -DLLEXPORT unsigned long DLLCALL TJBUFSIZE(int width, int height) -{ - // This allows enough room in case the image doesn't compress - return ((width+15)&(~15)) * ((height+15)&(~15)) * 6 + 2048; -} - -DLLEXPORT int DLLCALL tjCompress(tjhandle h, - unsigned char *srcbuf, int width, int pitch, int height, int ps, - unsigned char *dstbuf, unsigned long *size, - int jpegsub, int qual, int flags) -{ - int i; JSAMPROW *row_pointer=NULL; - - checkhandle(h); - - if(srcbuf==NULL || width<=0 || pitch<0 || height<=0 - || dstbuf==NULL || size==NULL - || jpegsub<0 || jpegsub>=NUMSUBOPT || qual<0 || qual>100) - _throw("Invalid argument in tjCompress()"); - if(ps!=3 && ps!=4) _throw("This compressor can only take 24-bit or 32-bit RGB input"); - if(!j->initc) _throw("Instance has not been initialized for compression"); - - if(pitch==0) pitch=width*ps; - - j->cinfo.image_width = width; - j->cinfo.image_height = height; - j->cinfo.input_components = ps; - - #if JCS_EXTENSIONS==1 - j->cinfo.in_color_space = JCS_EXT_RGB; - if(ps==3 && (flags&TJ_BGR)) - j->cinfo.in_color_space = JCS_EXT_BGR; - else if(ps==4 && !(flags&TJ_BGR) && !(flags&TJ_ALPHAFIRST)) - j->cinfo.in_color_space = JCS_EXT_RGBX; - else if(ps==4 && (flags&TJ_BGR) && !(flags&TJ_ALPHAFIRST)) - j->cinfo.in_color_space = JCS_EXT_BGRX; - else if(ps==4 && (flags&TJ_BGR) && (flags&TJ_ALPHAFIRST)) - j->cinfo.in_color_space = JCS_EXT_XBGR; - else if(ps==4 && !(flags&TJ_BGR) && (flags&TJ_ALPHAFIRST)) - j->cinfo.in_color_space = JCS_EXT_XRGB; - #else - #error "TurboJPEG requires JPEG colorspace extensions" - #endif - - if(flags&TJ_FORCEMMX) putenv("JSIMD_FORCEMMX=1"); - else if(flags&TJ_FORCESSE) putenv("JSIMD_FORCESSE=1"); - else if(flags&TJ_FORCESSE2) putenv("JSIMD_FORCESSE2=1"); - - if(setjmp(j->jerr.jb)) - { // this will execute if LIBJPEG has an error - if(row_pointer) free(row_pointer); - return -1; - } - - jpeg_set_defaults(&j->cinfo); - - jpeg_set_quality(&j->cinfo, qual, TRUE); - if(jpegsub==TJ_GRAYSCALE) - jpeg_set_colorspace(&j->cinfo, JCS_GRAYSCALE); - else - jpeg_set_colorspace(&j->cinfo, JCS_YCbCr); - if(qual>=96) j->cinfo.dct_method=JDCT_ISLOW; - else j->cinfo.dct_method=JDCT_FASTEST; - - j->cinfo.comp_info[0].h_samp_factor=hsampfactor[jpegsub]; - j->cinfo.comp_info[1].h_samp_factor=1; - j->cinfo.comp_info[2].h_samp_factor=1; - j->cinfo.comp_info[0].v_samp_factor=vsampfactor[jpegsub]; - j->cinfo.comp_info[1].v_samp_factor=1; - j->cinfo.comp_info[2].v_samp_factor=1; - - j->jdms.next_output_byte = dstbuf; - j->jdms.free_in_buffer = TJBUFSIZE(j->cinfo.image_width, j->cinfo.image_height); - - if((row_pointer=(JSAMPROW *)malloc(sizeof(JSAMPROW)*height))==NULL) - _throw("Memory allocation failed in tjInitCompress()"); - for(i=0; i<height; i++) - { - if(flags&TJ_BOTTOMUP) row_pointer[i]= &srcbuf[(height-i-1)*pitch]; - else row_pointer[i]= &srcbuf[i*pitch]; - } - jpeg_start_compress(&j->cinfo, TRUE); - while(j->cinfo.next_scanline<j->cinfo.image_height) - { - jpeg_write_scanlines(&j->cinfo, &row_pointer[j->cinfo.next_scanline], - j->cinfo.image_height-j->cinfo.next_scanline); - } - jpeg_finish_compress(&j->cinfo); - *size=TJBUFSIZE(j->cinfo.image_width, j->cinfo.image_height) - -(unsigned long)(j->jdms.free_in_buffer); - - if(row_pointer) free(row_pointer); - return 0; -} - - -// DEC - -static boolean fill_input_buffer (struct jpeg_decompress_struct *dinfo) -{ - ERREXIT(dinfo, JERR_BUFFER_SIZE); - return TRUE; -} - -static void skip_input_data (struct jpeg_decompress_struct *dinfo, long num_bytes) -{ - dinfo->src->next_input_byte += (size_t) num_bytes; - dinfo->src->bytes_in_buffer -= (size_t) num_bytes; -} - -static void source_noop (struct jpeg_decompress_struct *dinfo) -{ -} - -DLLEXPORT tjhandle DLLCALL tjInitDecompress(void) -{ - jpgstruct *j; - if((j=(jpgstruct *)malloc(sizeof(jpgstruct)))==NULL) - {sprintf(lasterror, "Memory allocation failure"); return NULL;} - memset(j, 0, sizeof(jpgstruct)); - j->dinfo.err=jpeg_std_error(&j->jerr.pub); - j->jerr.pub.error_exit=my_error_exit; - j->jerr.pub.output_message=my_output_message; - - if(setjmp(j->jerr.jb)) - { // this will execute if LIBJPEG has an error - free(j); return NULL; - } - - jpeg_create_decompress(&j->dinfo); - j->dinfo.src=&j->jsms; - j->jsms.init_source=source_noop; - j->jsms.fill_input_buffer = fill_input_buffer; - j->jsms.skip_input_data = skip_input_data; - j->jsms.resync_to_restart = jpeg_resync_to_restart; - j->jsms.term_source = source_noop; - - j->initd=1; - return (tjhandle)j; -} - - -DLLEXPORT int DLLCALL tjDecompressHeader(tjhandle h, - unsigned char *srcbuf, unsigned long size, - int *width, int *height) -{ - checkhandle(h); - - if(srcbuf==NULL || size<=0 || width==NULL || height==NULL) - _throw("Invalid argument in tjDecompressHeader()"); - if(!j->initd) _throw("Instance has not been initialized for decompression"); - - if(setjmp(j->jerr.jb)) - { // this will execute if LIBJPEG has an error - return -1; - } - - j->jsms.bytes_in_buffer = size; - j->jsms.next_input_byte = srcbuf; - - jpeg_read_header(&j->dinfo, TRUE); - - *width=j->dinfo.image_width; *height=j->dinfo.image_height; - - jpeg_abort_decompress(&j->dinfo); - - if(*width<1 || *height<1) _throw("Invalid data returned in header"); - return 0; -} - - -DLLEXPORT int DLLCALL tjDecompress(tjhandle h, - unsigned char *srcbuf, unsigned long size, - unsigned char *dstbuf, int width, int pitch, int height, int ps, - int flags) -{ - int i; JSAMPROW *row_pointer=NULL; - - checkhandle(h); - - if(srcbuf==NULL || size<=0 - || dstbuf==NULL || width<=0 || pitch<0 || height<=0) - _throw("Invalid argument in tjDecompress()"); - if(ps!=3 && ps!=4) _throw("This compressor can only take 24-bit or 32-bit RGB input"); - if(!j->initd) _throw("Instance has not been initialized for decompression"); - - if(pitch==0) pitch=width*ps; - - if(flags&TJ_FORCEMMX) putenv("JSIMD_FORCEMMX=1"); - else if(flags&TJ_FORCESSE) putenv("JSIMD_FORCESSE=1"); - else if(flags&TJ_FORCESSE2) putenv("JSIMD_FORCESSE2=1"); - - if(setjmp(j->jerr.jb)) - { // this will execute if LIBJPEG has an error - if(row_pointer) free(row_pointer); - return -1; - } - - j->jsms.bytes_in_buffer = size; - j->jsms.next_input_byte = srcbuf; - - jpeg_read_header(&j->dinfo, TRUE); - - if((row_pointer=(JSAMPROW *)malloc(sizeof(JSAMPROW)*height))==NULL) - _throw("Memory allocation failed in tjInitDecompress()"); - for(i=0; i<height; i++) - { - if(flags&TJ_BOTTOMUP) row_pointer[i]= &dstbuf[(height-i-1)*pitch]; - else row_pointer[i]= &dstbuf[i*pitch]; - } - - #if JCS_EXTENSIONS==1 - j->dinfo.out_color_space = JCS_EXT_RGB; - if(ps==3 && (flags&TJ_BGR)) - j->dinfo.out_color_space = JCS_EXT_BGR; - else if(ps==4 && !(flags&TJ_BGR) && !(flags&TJ_ALPHAFIRST)) - j->dinfo.out_color_space = JCS_EXT_RGBX; - else if(ps==4 && (flags&TJ_BGR) && !(flags&TJ_ALPHAFIRST)) - j->dinfo.out_color_space = JCS_EXT_BGRX; - else if(ps==4 && (flags&TJ_BGR) && (flags&TJ_ALPHAFIRST)) - j->dinfo.out_color_space = JCS_EXT_XBGR; - else if(ps==4 && !(flags&TJ_BGR) && (flags&TJ_ALPHAFIRST)) - j->dinfo.out_color_space = JCS_EXT_XRGB; - #else - #error "TurboJPEG requires JPEG colorspace extensions" - #endif - if(flags&TJ_FASTUPSAMPLE) j->dinfo.do_fancy_upsampling=FALSE; - - jpeg_start_decompress(&j->dinfo); - while(j->dinfo.output_scanline<j->dinfo.output_height) - { - jpeg_read_scanlines(&j->dinfo, &row_pointer[j->dinfo.output_scanline], - j->dinfo.output_height-j->dinfo.output_scanline); - } - jpeg_finish_decompress(&j->dinfo); - - if(row_pointer) free(row_pointer); - return 0; -} - - -// General - -DLLEXPORT char* DLLCALL tjGetErrorStr(void) -{ - return lasterror; -} - -DLLEXPORT int DLLCALL tjDestroy(tjhandle h) -{ - checkhandle(h); - if(setjmp(j->jerr.jb)) return -1; - if(j->initc) jpeg_destroy_compress(&j->cinfo); - if(j->initd) jpeg_destroy_decompress(&j->dinfo); - free(j); - return 0; -} diff --git a/common/jpeg/win/jconfig.h b/common/jpeg/win/jconfig.h deleted file mode 100644 index 9cf6f102..00000000 --- a/common/jpeg/win/jconfig.h +++ /dev/null @@ -1,30 +0,0 @@ -/* jconfig.vc --- jconfig.h for Microsoft Visual C++ on Windows 95 or NT. */ -/* see jconfig.doc for explanations */ - -#define HAVE_PROTOTYPES -#define HAVE_UNSIGNED_CHAR -#define HAVE_UNSIGNED_SHORT -/* #define void char */ -/* #define const */ -#undef CHAR_IS_UNSIGNED -#define HAVE_STDDEF_H -#define HAVE_STDLIB_H -#undef NEED_BSD_STRINGS -#undef NEED_SYS_TYPES_H -#undef NEED_FAR_POINTERS /* we presume a 32-bit flat memory model */ -#undef NEED_SHORT_EXTERNAL_NAMES -#undef INCOMPLETE_TYPES_BROKEN - -/* Define "boolean" as unsigned char, not int, per Windows custom */ -#ifndef __RPCNDR_H__ /* don't conflict if rpcndr.h already read */ -typedef unsigned char boolean; -#endif -#define HAVE_BOOLEAN /* prevent jmorecfg.h from redefining it */ - -#define inline __inline - -#ifdef JPEG_INTERNALS - -#undef RIGHT_SHIFT_IS_UNSIGNED - -#endif /* JPEG_INTERNALS */ diff --git a/common/jpeg/win/jsimdcfg.inc b/common/jpeg/win/jsimdcfg.inc deleted file mode 100644 index 68e22e86..00000000 --- a/common/jpeg/win/jsimdcfg.inc +++ /dev/null @@ -1,69 +0,0 @@ -; -; Automatically generated include file from jsimdcfg.inc.h -; -; -; -- jpeglib.h -; -%define DCTSIZE 8 -%define DCTSIZE2 64 -; -; -- jmorecfg.h -; -%define RGB_RED 0 -%define RGB_GREEN 1 -%define RGB_BLUE 2 -%define RGB_PIXELSIZE 3 -; Representation of a single sample (pixel element value). -; On this SIMD implementation, this must be 'unsigned char'. -; -%define JSAMPLE byte ; unsigned char -%define SIZEOF_JSAMPLE SIZEOF_BYTE ; sizeof(JSAMPLE) -%define CENTERJSAMPLE 128 -; Representation of a DCT frequency coefficient. -; On this SIMD implementation, this must be 'short'. -; -%define JCOEF word ; short -%define SIZEOF_JCOEF SIZEOF_WORD ; sizeof(JCOEF) -; Datatype used for image dimensions. -; On this SIMD implementation, this must be 'unsigned int'. -; -%define JDIMENSION dword ; unsigned int -%define SIZEOF_JDIMENSION SIZEOF_DWORD ; sizeof(JDIMENSION) -%define JSAMPROW POINTER ; JSAMPLE * (jpeglib.h) -%define JSAMPARRAY POINTER ; JSAMPROW * (jpeglib.h) -%define JSAMPIMAGE POINTER ; JSAMPARRAY * (jpeglib.h) -%define JCOEFPTR POINTER ; JCOEF * (jpeglib.h) -%define SIZEOF_JSAMPROW SIZEOF_POINTER ; sizeof(JSAMPROW) -%define SIZEOF_JSAMPARRAY SIZEOF_POINTER ; sizeof(JSAMPARRAY) -%define SIZEOF_JSAMPIMAGE SIZEOF_POINTER ; sizeof(JSAMPIMAGE) -%define SIZEOF_JCOEFPTR SIZEOF_POINTER ; sizeof(JCOEFPTR) -; -; -- jdct.h -; -; A forward DCT routine is given a pointer to a work area of type DCTELEM[]; -; the DCT is to be performed in-place in that buffer. -; To maximize parallelism, Type DCTELEM is changed to short (originally, int). -; -%define DCTELEM word ; short -%define SIZEOF_DCTELEM SIZEOF_WORD ; sizeof(DCTELEM) -%define float FP32 ; float -%define SIZEOF_FAST_FLOAT SIZEOF_FP32 ; sizeof(float) -; To maximize parallelism, Type short is changed to short. -; -%define ISLOW_MULT_TYPE word ; must be short -%define SIZEOF_ISLOW_MULT_TYPE SIZEOF_WORD ; sizeof(ISLOW_MULT_TYPE) -%define IFAST_MULT_TYPE word ; must be short -%define SIZEOF_IFAST_MULT_TYPE SIZEOF_WORD ; sizeof(IFAST_MULT_TYPE) -%define IFAST_SCALE_BITS 2 ; fractional bits in scale factors -%define FLOAT_MULT_TYPE FP32 ; must be float -%define SIZEOF_FLOAT_MULT_TYPE SIZEOF_FP32 ; sizeof(FLOAT_MULT_TYPE) -; -; -- jsimd.h -; -%define JSIMD_NONE 0x00 -%define JSIMD_MMX 0x01 -%define JSIMD_3DNOW 0x02 -%define JSIMD_SSE 0x04 -%define JSIMD_SSE2 0x08 -; Short forms of external names for systems with brain-damaged linkers. -; diff --git a/common/jpeg/wrbmp.c b/common/jpeg/wrbmp.c deleted file mode 100644 index 3283b0f1..00000000 --- a/common/jpeg/wrbmp.c +++ /dev/null @@ -1,442 +0,0 @@ -/* - * wrbmp.c - * - * Copyright (C) 1994-1996, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains routines to write output images in Microsoft "BMP" - * format (MS Windows 3.x and OS/2 1.x flavors). - * Either 8-bit colormapped or 24-bit full-color format can be written. - * No compression is supported. - * - * These routines may need modification for non-Unix environments or - * specialized applications. As they stand, they assume output to - * an ordinary stdio stream. - * - * This code contributed by James Arthur Boucher. - */ - -#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */ - -#ifdef BMP_SUPPORTED - - -/* - * To support 12-bit JPEG data, we'd have to scale output down to 8 bits. - * This is not yet implemented. - */ - -#if BITS_IN_JSAMPLE != 8 - Sorry, this code only copes with 8-bit JSAMPLEs. /* deliberate syntax err */ -#endif - -/* - * Since BMP stores scanlines bottom-to-top, we have to invert the image - * from JPEG's top-to-bottom order. To do this, we save the outgoing data - * in a virtual array during put_pixel_row calls, then actually emit the - * BMP file during finish_output. The virtual array contains one JSAMPLE per - * pixel if the output is grayscale or colormapped, three if it is full color. - */ - -/* Private version of data destination object */ - -typedef struct { - struct djpeg_dest_struct pub; /* public fields */ - - boolean is_os2; /* saves the OS2 format request flag */ - - jvirt_sarray_ptr whole_image; /* needed to reverse row order */ - JDIMENSION data_width; /* JSAMPLEs per row */ - JDIMENSION row_width; /* physical width of one row in the BMP file */ - int pad_bytes; /* number of padding bytes needed per row */ - JDIMENSION cur_output_row; /* next row# to write to virtual array */ -} bmp_dest_struct; - -typedef bmp_dest_struct * bmp_dest_ptr; - - -/* Forward declarations */ -LOCAL(void) write_colormap - JPP((j_decompress_ptr cinfo, bmp_dest_ptr dest, - int map_colors, int map_entry_size)); - - -/* - * Write some pixel data. - * In this module rows_supplied will always be 1. - */ - -METHODDEF(void) -put_pixel_rows (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo, - JDIMENSION rows_supplied) -/* This version is for writing 24-bit pixels */ -{ - bmp_dest_ptr dest = (bmp_dest_ptr) dinfo; - JSAMPARRAY image_ptr; - register JSAMPROW inptr, outptr; - register JDIMENSION col; - int pad; - - /* Access next row in virtual array */ - image_ptr = (*cinfo->mem->access_virt_sarray) - ((j_common_ptr) cinfo, dest->whole_image, - dest->cur_output_row, (JDIMENSION) 1, TRUE); - dest->cur_output_row++; - - /* Transfer data. Note destination values must be in BGR order - * (even though Microsoft's own documents say the opposite). - */ - inptr = dest->pub.buffer[0]; - outptr = image_ptr[0]; - for (col = cinfo->output_width; col > 0; col--) { - outptr[2] = *inptr++; /* can omit GETJSAMPLE() safely */ - outptr[1] = *inptr++; - outptr[0] = *inptr++; - outptr += 3; - } - - /* Zero out the pad bytes. */ - pad = dest->pad_bytes; - while (--pad >= 0) - *outptr++ = 0; -} - -METHODDEF(void) -put_gray_rows (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo, - JDIMENSION rows_supplied) -/* This version is for grayscale OR quantized color output */ -{ - bmp_dest_ptr dest = (bmp_dest_ptr) dinfo; - JSAMPARRAY image_ptr; - register JSAMPROW inptr, outptr; - register JDIMENSION col; - int pad; - - /* Access next row in virtual array */ - image_ptr = (*cinfo->mem->access_virt_sarray) - ((j_common_ptr) cinfo, dest->whole_image, - dest->cur_output_row, (JDIMENSION) 1, TRUE); - dest->cur_output_row++; - - /* Transfer data. */ - inptr = dest->pub.buffer[0]; - outptr = image_ptr[0]; - for (col = cinfo->output_width; col > 0; col--) { - *outptr++ = *inptr++; /* can omit GETJSAMPLE() safely */ - } - - /* Zero out the pad bytes. */ - pad = dest->pad_bytes; - while (--pad >= 0) - *outptr++ = 0; -} - - -/* - * Startup: normally writes the file header. - * In this module we may as well postpone everything until finish_output. - */ - -METHODDEF(void) -start_output_bmp (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo) -{ - /* no work here */ -} - - -/* - * Finish up at the end of the file. - * - * Here is where we really output the BMP file. - * - * First, routines to write the Windows and OS/2 variants of the file header. - */ - -LOCAL(void) -write_bmp_header (j_decompress_ptr cinfo, bmp_dest_ptr dest) -/* Write a Windows-style BMP file header, including colormap if needed */ -{ - char bmpfileheader[14]; - char bmpinfoheader[40]; -#define PUT_2B(array,offset,value) \ - (array[offset] = (char) ((value) & 0xFF), \ - array[offset+1] = (char) (((value) >> 8) & 0xFF)) -#define PUT_4B(array,offset,value) \ - (array[offset] = (char) ((value) & 0xFF), \ - array[offset+1] = (char) (((value) >> 8) & 0xFF), \ - array[offset+2] = (char) (((value) >> 16) & 0xFF), \ - array[offset+3] = (char) (((value) >> 24) & 0xFF)) - INT32 headersize, bfSize; - int bits_per_pixel, cmap_entries; - - /* Compute colormap size and total file size */ - if (cinfo->out_color_space == JCS_RGB) { - if (cinfo->quantize_colors) { - /* Colormapped RGB */ - bits_per_pixel = 8; - cmap_entries = 256; - } else { - /* Unquantized, full color RGB */ - bits_per_pixel = 24; - cmap_entries = 0; - } - } else { - /* Grayscale output. We need to fake a 256-entry colormap. */ - bits_per_pixel = 8; - cmap_entries = 256; - } - /* File size */ - headersize = 14 + 40 + cmap_entries * 4; /* Header and colormap */ - bfSize = headersize + (INT32) dest->row_width * (INT32) cinfo->output_height; - - /* Set unused fields of header to 0 */ - MEMZERO(bmpfileheader, SIZEOF(bmpfileheader)); - MEMZERO(bmpinfoheader, SIZEOF(bmpinfoheader)); - - /* Fill the file header */ - bmpfileheader[0] = 0x42; /* first 2 bytes are ASCII 'B', 'M' */ - bmpfileheader[1] = 0x4D; - PUT_4B(bmpfileheader, 2, bfSize); /* bfSize */ - /* we leave bfReserved1 & bfReserved2 = 0 */ - PUT_4B(bmpfileheader, 10, headersize); /* bfOffBits */ - - /* Fill the info header (Microsoft calls this a BITMAPINFOHEADER) */ - PUT_2B(bmpinfoheader, 0, 40); /* biSize */ - PUT_4B(bmpinfoheader, 4, cinfo->output_width); /* biWidth */ - PUT_4B(bmpinfoheader, 8, cinfo->output_height); /* biHeight */ - PUT_2B(bmpinfoheader, 12, 1); /* biPlanes - must be 1 */ - PUT_2B(bmpinfoheader, 14, bits_per_pixel); /* biBitCount */ - /* we leave biCompression = 0, for none */ - /* we leave biSizeImage = 0; this is correct for uncompressed data */ - if (cinfo->density_unit == 2) { /* if have density in dots/cm, then */ - PUT_4B(bmpinfoheader, 24, (INT32) (cinfo->X_density*100)); /* XPels/M */ - PUT_4B(bmpinfoheader, 28, (INT32) (cinfo->Y_density*100)); /* XPels/M */ - } - PUT_2B(bmpinfoheader, 32, cmap_entries); /* biClrUsed */ - /* we leave biClrImportant = 0 */ - - if (JFWRITE(dest->pub.output_file, bmpfileheader, 14) != (size_t) 14) - ERREXIT(cinfo, JERR_FILE_WRITE); - if (JFWRITE(dest->pub.output_file, bmpinfoheader, 40) != (size_t) 40) - ERREXIT(cinfo, JERR_FILE_WRITE); - - if (cmap_entries > 0) - write_colormap(cinfo, dest, cmap_entries, 4); -} - - -LOCAL(void) -write_os2_header (j_decompress_ptr cinfo, bmp_dest_ptr dest) -/* Write an OS2-style BMP file header, including colormap if needed */ -{ - char bmpfileheader[14]; - char bmpcoreheader[12]; - INT32 headersize, bfSize; - int bits_per_pixel, cmap_entries; - - /* Compute colormap size and total file size */ - if (cinfo->out_color_space == JCS_RGB) { - if (cinfo->quantize_colors) { - /* Colormapped RGB */ - bits_per_pixel = 8; - cmap_entries = 256; - } else { - /* Unquantized, full color RGB */ - bits_per_pixel = 24; - cmap_entries = 0; - } - } else { - /* Grayscale output. We need to fake a 256-entry colormap. */ - bits_per_pixel = 8; - cmap_entries = 256; - } - /* File size */ - headersize = 14 + 12 + cmap_entries * 3; /* Header and colormap */ - bfSize = headersize + (INT32) dest->row_width * (INT32) cinfo->output_height; - - /* Set unused fields of header to 0 */ - MEMZERO(bmpfileheader, SIZEOF(bmpfileheader)); - MEMZERO(bmpcoreheader, SIZEOF(bmpcoreheader)); - - /* Fill the file header */ - bmpfileheader[0] = 0x42; /* first 2 bytes are ASCII 'B', 'M' */ - bmpfileheader[1] = 0x4D; - PUT_4B(bmpfileheader, 2, bfSize); /* bfSize */ - /* we leave bfReserved1 & bfReserved2 = 0 */ - PUT_4B(bmpfileheader, 10, headersize); /* bfOffBits */ - - /* Fill the info header (Microsoft calls this a BITMAPCOREHEADER) */ - PUT_2B(bmpcoreheader, 0, 12); /* bcSize */ - PUT_2B(bmpcoreheader, 4, cinfo->output_width); /* bcWidth */ - PUT_2B(bmpcoreheader, 6, cinfo->output_height); /* bcHeight */ - PUT_2B(bmpcoreheader, 8, 1); /* bcPlanes - must be 1 */ - PUT_2B(bmpcoreheader, 10, bits_per_pixel); /* bcBitCount */ - - if (JFWRITE(dest->pub.output_file, bmpfileheader, 14) != (size_t) 14) - ERREXIT(cinfo, JERR_FILE_WRITE); - if (JFWRITE(dest->pub.output_file, bmpcoreheader, 12) != (size_t) 12) - ERREXIT(cinfo, JERR_FILE_WRITE); - - if (cmap_entries > 0) - write_colormap(cinfo, dest, cmap_entries, 3); -} - - -/* - * Write the colormap. - * Windows uses BGR0 map entries; OS/2 uses BGR entries. - */ - -LOCAL(void) -write_colormap (j_decompress_ptr cinfo, bmp_dest_ptr dest, - int map_colors, int map_entry_size) -{ - JSAMPARRAY colormap = cinfo->colormap; - int num_colors = cinfo->actual_number_of_colors; - FILE * outfile = dest->pub.output_file; - int i; - - if (colormap != NULL) { - if (cinfo->out_color_components == 3) { - /* Normal case with RGB colormap */ - for (i = 0; i < num_colors; i++) { - putc(GETJSAMPLE(colormap[2][i]), outfile); - putc(GETJSAMPLE(colormap[1][i]), outfile); - putc(GETJSAMPLE(colormap[0][i]), outfile); - if (map_entry_size == 4) - putc(0, outfile); - } - } else { - /* Grayscale colormap (only happens with grayscale quantization) */ - for (i = 0; i < num_colors; i++) { - putc(GETJSAMPLE(colormap[0][i]), outfile); - putc(GETJSAMPLE(colormap[0][i]), outfile); - putc(GETJSAMPLE(colormap[0][i]), outfile); - if (map_entry_size == 4) - putc(0, outfile); - } - } - } else { - /* If no colormap, must be grayscale data. Generate a linear "map". */ - for (i = 0; i < 256; i++) { - putc(i, outfile); - putc(i, outfile); - putc(i, outfile); - if (map_entry_size == 4) - putc(0, outfile); - } - } - /* Pad colormap with zeros to ensure specified number of colormap entries */ - if (i > map_colors) - ERREXIT1(cinfo, JERR_TOO_MANY_COLORS, i); - for (; i < map_colors; i++) { - putc(0, outfile); - putc(0, outfile); - putc(0, outfile); - if (map_entry_size == 4) - putc(0, outfile); - } -} - - -METHODDEF(void) -finish_output_bmp (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo) -{ - bmp_dest_ptr dest = (bmp_dest_ptr) dinfo; - register FILE * outfile = dest->pub.output_file; - JSAMPARRAY image_ptr; - register JSAMPROW data_ptr; - JDIMENSION row; - register JDIMENSION col; - cd_progress_ptr progress = (cd_progress_ptr) cinfo->progress; - - /* Write the header and colormap */ - if (dest->is_os2) - write_os2_header(cinfo, dest); - else - write_bmp_header(cinfo, dest); - - /* Write the file body from our virtual array */ - for (row = cinfo->output_height; row > 0; row--) { - if (progress != NULL) { - progress->pub.pass_counter = (long) (cinfo->output_height - row); - progress->pub.pass_limit = (long) cinfo->output_height; - (*progress->pub.progress_monitor) ((j_common_ptr) cinfo); - } - image_ptr = (*cinfo->mem->access_virt_sarray) - ((j_common_ptr) cinfo, dest->whole_image, row-1, (JDIMENSION) 1, FALSE); - data_ptr = image_ptr[0]; - for (col = dest->row_width; col > 0; col--) { - putc(GETJSAMPLE(*data_ptr), outfile); - data_ptr++; - } - } - if (progress != NULL) - progress->completed_extra_passes++; - - /* Make sure we wrote the output file OK */ - fflush(outfile); - if (ferror(outfile)) - ERREXIT(cinfo, JERR_FILE_WRITE); -} - - -/* - * The module selection routine for BMP format output. - */ - -GLOBAL(djpeg_dest_ptr) -jinit_write_bmp (j_decompress_ptr cinfo, boolean is_os2) -{ - bmp_dest_ptr dest; - JDIMENSION row_width; - - /* Create module interface object, fill in method pointers */ - dest = (bmp_dest_ptr) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(bmp_dest_struct)); - dest->pub.start_output = start_output_bmp; - dest->pub.finish_output = finish_output_bmp; - dest->is_os2 = is_os2; - - if (cinfo->out_color_space == JCS_GRAYSCALE) { - dest->pub.put_pixel_rows = put_gray_rows; - } else if (cinfo->out_color_space == JCS_RGB) { - if (cinfo->quantize_colors) - dest->pub.put_pixel_rows = put_gray_rows; - else - dest->pub.put_pixel_rows = put_pixel_rows; - } else { - ERREXIT(cinfo, JERR_BMP_COLORSPACE); - } - - /* Calculate output image dimensions so we can allocate space */ - jpeg_calc_output_dimensions(cinfo); - - /* Determine width of rows in the BMP file (padded to 4-byte boundary). */ - row_width = cinfo->output_width * cinfo->output_components; - dest->data_width = row_width; - while ((row_width & 3) != 0) row_width++; - dest->row_width = row_width; - dest->pad_bytes = (int) (row_width - dest->data_width); - - /* Allocate space for inversion array, prepare for write pass */ - dest->whole_image = (*cinfo->mem->request_virt_sarray) - ((j_common_ptr) cinfo, JPOOL_IMAGE, FALSE, - row_width, cinfo->output_height, (JDIMENSION) 1); - dest->cur_output_row = 0; - if (cinfo->progress != NULL) { - cd_progress_ptr progress = (cd_progress_ptr) cinfo->progress; - progress->total_extra_passes++; /* count file input as separate pass */ - } - - /* Create decompressor output buffer. */ - dest->pub.buffer = (*cinfo->mem->alloc_sarray) - ((j_common_ptr) cinfo, JPOOL_IMAGE, row_width, (JDIMENSION) 1); - dest->pub.buffer_height = 1; - - return (djpeg_dest_ptr) dest; -} - -#endif /* BMP_SUPPORTED */ diff --git a/common/jpeg/wrgif.c b/common/jpeg/wrgif.c deleted file mode 100644 index 5fe83283..00000000 --- a/common/jpeg/wrgif.c +++ /dev/null @@ -1,399 +0,0 @@ -/* - * wrgif.c - * - * Copyright (C) 1991-1997, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains routines to write output images in GIF format. - * - ************************************************************************** - * NOTE: to avoid entanglements with Unisys' patent on LZW compression, * - * this code has been modified to output "uncompressed GIF" files. * - * There is no trace of the LZW algorithm in this file. * - ************************************************************************** - * - * These routines may need modification for non-Unix environments or - * specialized applications. As they stand, they assume output to - * an ordinary stdio stream. - */ - -/* - * This code is loosely based on ppmtogif from the PBMPLUS distribution - * of Feb. 1991. That file contains the following copyright notice: - * Based on GIFENCODE by David Rowley <mgardi@watdscu.waterloo.edu>. - * Lempel-Ziv compression based on "compress" by Spencer W. Thomas et al. - * Copyright (C) 1989 by Jef Poskanzer. - * Permission to use, copy, modify, and distribute this software and its - * documentation for any purpose and without fee is hereby granted, provided - * that the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation. This software is provided "as is" without express or - * implied warranty. - * - * We are also required to state that - * "The Graphics Interchange Format(c) is the Copyright property of - * CompuServe Incorporated. GIF(sm) is a Service Mark property of - * CompuServe Incorporated." - */ - -#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */ - -#ifdef GIF_SUPPORTED - - -/* Private version of data destination object */ - -typedef struct { - struct djpeg_dest_struct pub; /* public fields */ - - j_decompress_ptr cinfo; /* back link saves passing separate parm */ - - /* State for packing variable-width codes into a bitstream */ - int n_bits; /* current number of bits/code */ - int maxcode; /* maximum code, given n_bits */ - INT32 cur_accum; /* holds bits not yet output */ - int cur_bits; /* # of bits in cur_accum */ - - /* State for GIF code assignment */ - int ClearCode; /* clear code (doesn't change) */ - int EOFCode; /* EOF code (ditto) */ - int code_counter; /* counts output symbols */ - - /* GIF data packet construction buffer */ - int bytesinpkt; /* # of bytes in current packet */ - char packetbuf[256]; /* workspace for accumulating packet */ - -} gif_dest_struct; - -typedef gif_dest_struct * gif_dest_ptr; - -/* Largest value that will fit in N bits */ -#define MAXCODE(n_bits) ((1 << (n_bits)) - 1) - - -/* - * Routines to package finished data bytes into GIF data blocks. - * A data block consists of a count byte (1..255) and that many data bytes. - */ - -LOCAL(void) -flush_packet (gif_dest_ptr dinfo) -/* flush any accumulated data */ -{ - if (dinfo->bytesinpkt > 0) { /* never write zero-length packet */ - dinfo->packetbuf[0] = (char) dinfo->bytesinpkt++; - if (JFWRITE(dinfo->pub.output_file, dinfo->packetbuf, dinfo->bytesinpkt) - != (size_t) dinfo->bytesinpkt) - ERREXIT(dinfo->cinfo, JERR_FILE_WRITE); - dinfo->bytesinpkt = 0; - } -} - - -/* Add a character to current packet; flush to disk if necessary */ -#define CHAR_OUT(dinfo,c) \ - { (dinfo)->packetbuf[++(dinfo)->bytesinpkt] = (char) (c); \ - if ((dinfo)->bytesinpkt >= 255) \ - flush_packet(dinfo); \ - } - - -/* Routine to convert variable-width codes into a byte stream */ - -LOCAL(void) -output (gif_dest_ptr dinfo, int code) -/* Emit a code of n_bits bits */ -/* Uses cur_accum and cur_bits to reblock into 8-bit bytes */ -{ - dinfo->cur_accum |= ((INT32) code) << dinfo->cur_bits; - dinfo->cur_bits += dinfo->n_bits; - - while (dinfo->cur_bits >= 8) { - CHAR_OUT(dinfo, dinfo->cur_accum & 0xFF); - dinfo->cur_accum >>= 8; - dinfo->cur_bits -= 8; - } -} - - -/* The pseudo-compression algorithm. - * - * In this module we simply output each pixel value as a separate symbol; - * thus, no compression occurs. In fact, there is expansion of one bit per - * pixel, because we use a symbol width one bit wider than the pixel width. - * - * GIF ordinarily uses variable-width symbols, and the decoder will expect - * to ratchet up the symbol width after a fixed number of symbols. - * To simplify the logic and keep the expansion penalty down, we emit a - * GIF Clear code to reset the decoder just before the width would ratchet up. - * Thus, all the symbols in the output file will have the same bit width. - * Note that emitting the Clear codes at the right times is a mere matter of - * counting output symbols and is in no way dependent on the LZW patent. - * - * With a small basic pixel width (low color count), Clear codes will be - * needed very frequently, causing the file to expand even more. So this - * simplistic approach wouldn't work too well on bilevel images, for example. - * But for output of JPEG conversions the pixel width will usually be 8 bits - * (129 to 256 colors), so the overhead added by Clear symbols is only about - * one symbol in every 256. - */ - -LOCAL(void) -compress_init (gif_dest_ptr dinfo, int i_bits) -/* Initialize pseudo-compressor */ -{ - /* init all the state variables */ - dinfo->n_bits = i_bits; - dinfo->maxcode = MAXCODE(dinfo->n_bits); - dinfo->ClearCode = (1 << (i_bits - 1)); - dinfo->EOFCode = dinfo->ClearCode + 1; - dinfo->code_counter = dinfo->ClearCode + 2; - /* init output buffering vars */ - dinfo->bytesinpkt = 0; - dinfo->cur_accum = 0; - dinfo->cur_bits = 0; - /* GIF specifies an initial Clear code */ - output(dinfo, dinfo->ClearCode); -} - - -LOCAL(void) -compress_pixel (gif_dest_ptr dinfo, int c) -/* Accept and "compress" one pixel value. - * The given value must be less than n_bits wide. - */ -{ - /* Output the given pixel value as a symbol. */ - output(dinfo, c); - /* Issue Clear codes often enough to keep the reader from ratcheting up - * its symbol size. - */ - if (dinfo->code_counter < dinfo->maxcode) { - dinfo->code_counter++; - } else { - output(dinfo, dinfo->ClearCode); - dinfo->code_counter = dinfo->ClearCode + 2; /* reset the counter */ - } -} - - -LOCAL(void) -compress_term (gif_dest_ptr dinfo) -/* Clean up at end */ -{ - /* Send an EOF code */ - output(dinfo, dinfo->EOFCode); - /* Flush the bit-packing buffer */ - if (dinfo->cur_bits > 0) { - CHAR_OUT(dinfo, dinfo->cur_accum & 0xFF); - } - /* Flush the packet buffer */ - flush_packet(dinfo); -} - - -/* GIF header construction */ - - -LOCAL(void) -put_word (gif_dest_ptr dinfo, unsigned int w) -/* Emit a 16-bit word, LSB first */ -{ - putc(w & 0xFF, dinfo->pub.output_file); - putc((w >> 8) & 0xFF, dinfo->pub.output_file); -} - - -LOCAL(void) -put_3bytes (gif_dest_ptr dinfo, int val) -/* Emit 3 copies of same byte value --- handy subr for colormap construction */ -{ - putc(val, dinfo->pub.output_file); - putc(val, dinfo->pub.output_file); - putc(val, dinfo->pub.output_file); -} - - -LOCAL(void) -emit_header (gif_dest_ptr dinfo, int num_colors, JSAMPARRAY colormap) -/* Output the GIF file header, including color map */ -/* If colormap==NULL, synthesize a gray-scale colormap */ -{ - int BitsPerPixel, ColorMapSize, InitCodeSize, FlagByte; - int cshift = dinfo->cinfo->data_precision - 8; - int i; - - if (num_colors > 256) - ERREXIT1(dinfo->cinfo, JERR_TOO_MANY_COLORS, num_colors); - /* Compute bits/pixel and related values */ - BitsPerPixel = 1; - while (num_colors > (1 << BitsPerPixel)) - BitsPerPixel++; - ColorMapSize = 1 << BitsPerPixel; - if (BitsPerPixel <= 1) - InitCodeSize = 2; - else - InitCodeSize = BitsPerPixel; - /* - * Write the GIF header. - * Note that we generate a plain GIF87 header for maximum compatibility. - */ - putc('G', dinfo->pub.output_file); - putc('I', dinfo->pub.output_file); - putc('F', dinfo->pub.output_file); - putc('8', dinfo->pub.output_file); - putc('7', dinfo->pub.output_file); - putc('a', dinfo->pub.output_file); - /* Write the Logical Screen Descriptor */ - put_word(dinfo, (unsigned int) dinfo->cinfo->output_width); - put_word(dinfo, (unsigned int) dinfo->cinfo->output_height); - FlagByte = 0x80; /* Yes, there is a global color table */ - FlagByte |= (BitsPerPixel-1) << 4; /* color resolution */ - FlagByte |= (BitsPerPixel-1); /* size of global color table */ - putc(FlagByte, dinfo->pub.output_file); - putc(0, dinfo->pub.output_file); /* Background color index */ - putc(0, dinfo->pub.output_file); /* Reserved (aspect ratio in GIF89) */ - /* Write the Global Color Map */ - /* If the color map is more than 8 bits precision, */ - /* we reduce it to 8 bits by shifting */ - for (i=0; i < ColorMapSize; i++) { - if (i < num_colors) { - if (colormap != NULL) { - if (dinfo->cinfo->out_color_space == JCS_RGB) { - /* Normal case: RGB color map */ - putc(GETJSAMPLE(colormap[0][i]) >> cshift, dinfo->pub.output_file); - putc(GETJSAMPLE(colormap[1][i]) >> cshift, dinfo->pub.output_file); - putc(GETJSAMPLE(colormap[2][i]) >> cshift, dinfo->pub.output_file); - } else { - /* Grayscale "color map": possible if quantizing grayscale image */ - put_3bytes(dinfo, GETJSAMPLE(colormap[0][i]) >> cshift); - } - } else { - /* Create a gray-scale map of num_colors values, range 0..255 */ - put_3bytes(dinfo, (i * 255 + (num_colors-1)/2) / (num_colors-1)); - } - } else { - /* fill out the map to a power of 2 */ - put_3bytes(dinfo, 0); - } - } - /* Write image separator and Image Descriptor */ - putc(',', dinfo->pub.output_file); /* separator */ - put_word(dinfo, 0); /* left/top offset */ - put_word(dinfo, 0); - put_word(dinfo, (unsigned int) dinfo->cinfo->output_width); /* image size */ - put_word(dinfo, (unsigned int) dinfo->cinfo->output_height); - /* flag byte: not interlaced, no local color map */ - putc(0x00, dinfo->pub.output_file); - /* Write Initial Code Size byte */ - putc(InitCodeSize, dinfo->pub.output_file); - - /* Initialize for "compression" of image data */ - compress_init(dinfo, InitCodeSize+1); -} - - -/* - * Startup: write the file header. - */ - -METHODDEF(void) -start_output_gif (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo) -{ - gif_dest_ptr dest = (gif_dest_ptr) dinfo; - - if (cinfo->quantize_colors) - emit_header(dest, cinfo->actual_number_of_colors, cinfo->colormap); - else - emit_header(dest, 256, (JSAMPARRAY) NULL); -} - - -/* - * Write some pixel data. - * In this module rows_supplied will always be 1. - */ - -METHODDEF(void) -put_pixel_rows (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo, - JDIMENSION rows_supplied) -{ - gif_dest_ptr dest = (gif_dest_ptr) dinfo; - register JSAMPROW ptr; - register JDIMENSION col; - - ptr = dest->pub.buffer[0]; - for (col = cinfo->output_width; col > 0; col--) { - compress_pixel(dest, GETJSAMPLE(*ptr++)); - } -} - - -/* - * Finish up at the end of the file. - */ - -METHODDEF(void) -finish_output_gif (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo) -{ - gif_dest_ptr dest = (gif_dest_ptr) dinfo; - - /* Flush "compression" mechanism */ - compress_term(dest); - /* Write a zero-length data block to end the series */ - putc(0, dest->pub.output_file); - /* Write the GIF terminator mark */ - putc(';', dest->pub.output_file); - /* Make sure we wrote the output file OK */ - fflush(dest->pub.output_file); - if (ferror(dest->pub.output_file)) - ERREXIT(cinfo, JERR_FILE_WRITE); -} - - -/* - * The module selection routine for GIF format output. - */ - -GLOBAL(djpeg_dest_ptr) -jinit_write_gif (j_decompress_ptr cinfo) -{ - gif_dest_ptr dest; - - /* Create module interface object, fill in method pointers */ - dest = (gif_dest_ptr) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(gif_dest_struct)); - dest->cinfo = cinfo; /* make back link for subroutines */ - dest->pub.start_output = start_output_gif; - dest->pub.put_pixel_rows = put_pixel_rows; - dest->pub.finish_output = finish_output_gif; - - if (cinfo->out_color_space != JCS_GRAYSCALE && - cinfo->out_color_space != JCS_RGB) - ERREXIT(cinfo, JERR_GIF_COLORSPACE); - - /* Force quantization if color or if > 8 bits input */ - if (cinfo->out_color_space != JCS_GRAYSCALE || cinfo->data_precision > 8) { - /* Force quantization to at most 256 colors */ - cinfo->quantize_colors = TRUE; - if (cinfo->desired_number_of_colors > 256) - cinfo->desired_number_of_colors = 256; - } - - /* Calculate output image dimensions so we can allocate space */ - jpeg_calc_output_dimensions(cinfo); - - if (cinfo->output_components != 1) /* safety check: just one component? */ - ERREXIT(cinfo, JERR_GIF_BUG); - - /* Create decompressor output buffer. */ - dest->pub.buffer = (*cinfo->mem->alloc_sarray) - ((j_common_ptr) cinfo, JPOOL_IMAGE, cinfo->output_width, (JDIMENSION) 1); - dest->pub.buffer_height = 1; - - return (djpeg_dest_ptr) dest; -} - -#endif /* GIF_SUPPORTED */ diff --git a/common/jpeg/wrppm.c b/common/jpeg/wrppm.c deleted file mode 100644 index 6c6d9088..00000000 --- a/common/jpeg/wrppm.c +++ /dev/null @@ -1,268 +0,0 @@ -/* - * wrppm.c - * - * Copyright (C) 1991-1996, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains routines to write output images in PPM/PGM format. - * The extended 2-byte-per-sample raw PPM/PGM formats are supported. - * The PBMPLUS library is NOT required to compile this software - * (but it is highly useful as a set of PPM image manipulation programs). - * - * These routines may need modification for non-Unix environments or - * specialized applications. As they stand, they assume output to - * an ordinary stdio stream. - */ - -#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */ - -#ifdef PPM_SUPPORTED - - -/* - * For 12-bit JPEG data, we either downscale the values to 8 bits - * (to write standard byte-per-sample PPM/PGM files), or output - * nonstandard word-per-sample PPM/PGM files. Downscaling is done - * if PPM_NORAWWORD is defined (this can be done in the Makefile - * or in jconfig.h). - * (When the core library supports data precision reduction, a cleaner - * implementation will be to ask for that instead.) - */ - -#if BITS_IN_JSAMPLE == 8 -#define PUTPPMSAMPLE(ptr,v) *ptr++ = (char) (v) -#define BYTESPERSAMPLE 1 -#define PPM_MAXVAL 255 -#else -#ifdef PPM_NORAWWORD -#define PUTPPMSAMPLE(ptr,v) *ptr++ = (char) ((v) >> (BITS_IN_JSAMPLE-8)) -#define BYTESPERSAMPLE 1 -#define PPM_MAXVAL 255 -#else -/* The word-per-sample format always puts the LSB first. */ -#define PUTPPMSAMPLE(ptr,v) \ - { register int val_ = v; \ - *ptr++ = (char) (val_ & 0xFF); \ - *ptr++ = (char) ((val_ >> 8) & 0xFF); \ - } -#define BYTESPERSAMPLE 2 -#define PPM_MAXVAL ((1<<BITS_IN_JSAMPLE)-1) -#endif -#endif - - -/* - * When JSAMPLE is the same size as char, we can just fwrite() the - * decompressed data to the PPM or PGM file. On PCs, in order to make this - * work the output buffer must be allocated in near data space, because we are - * assuming small-data memory model wherein fwrite() can't reach far memory. - * If you need to process very wide images on a PC, you might have to compile - * in large-memory model, or else replace fwrite() with a putc() loop --- - * which will be much slower. - */ - - -/* Private version of data destination object */ - -typedef struct { - struct djpeg_dest_struct pub; /* public fields */ - - /* Usually these two pointers point to the same place: */ - char *iobuffer; /* fwrite's I/O buffer */ - JSAMPROW pixrow; /* decompressor output buffer */ - size_t buffer_width; /* width of I/O buffer */ - JDIMENSION samples_per_row; /* JSAMPLEs per output row */ -} ppm_dest_struct; - -typedef ppm_dest_struct * ppm_dest_ptr; - - -/* - * Write some pixel data. - * In this module rows_supplied will always be 1. - * - * put_pixel_rows handles the "normal" 8-bit case where the decompressor - * output buffer is physically the same as the fwrite buffer. - */ - -METHODDEF(void) -put_pixel_rows (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo, - JDIMENSION rows_supplied) -{ - ppm_dest_ptr dest = (ppm_dest_ptr) dinfo; - - (void) JFWRITE(dest->pub.output_file, dest->iobuffer, dest->buffer_width); -} - - -/* - * This code is used when we have to copy the data and apply a pixel - * format translation. Typically this only happens in 12-bit mode. - */ - -METHODDEF(void) -copy_pixel_rows (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo, - JDIMENSION rows_supplied) -{ - ppm_dest_ptr dest = (ppm_dest_ptr) dinfo; - register char * bufferptr; - register JSAMPROW ptr; - register JDIMENSION col; - - ptr = dest->pub.buffer[0]; - bufferptr = dest->iobuffer; - for (col = dest->samples_per_row; col > 0; col--) { - PUTPPMSAMPLE(bufferptr, GETJSAMPLE(*ptr++)); - } - (void) JFWRITE(dest->pub.output_file, dest->iobuffer, dest->buffer_width); -} - - -/* - * Write some pixel data when color quantization is in effect. - * We have to demap the color index values to straight data. - */ - -METHODDEF(void) -put_demapped_rgb (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo, - JDIMENSION rows_supplied) -{ - ppm_dest_ptr dest = (ppm_dest_ptr) dinfo; - register char * bufferptr; - register int pixval; - register JSAMPROW ptr; - register JSAMPROW color_map0 = cinfo->colormap[0]; - register JSAMPROW color_map1 = cinfo->colormap[1]; - register JSAMPROW color_map2 = cinfo->colormap[2]; - register JDIMENSION col; - - ptr = dest->pub.buffer[0]; - bufferptr = dest->iobuffer; - for (col = cinfo->output_width; col > 0; col--) { - pixval = GETJSAMPLE(*ptr++); - PUTPPMSAMPLE(bufferptr, GETJSAMPLE(color_map0[pixval])); - PUTPPMSAMPLE(bufferptr, GETJSAMPLE(color_map1[pixval])); - PUTPPMSAMPLE(bufferptr, GETJSAMPLE(color_map2[pixval])); - } - (void) JFWRITE(dest->pub.output_file, dest->iobuffer, dest->buffer_width); -} - - -METHODDEF(void) -put_demapped_gray (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo, - JDIMENSION rows_supplied) -{ - ppm_dest_ptr dest = (ppm_dest_ptr) dinfo; - register char * bufferptr; - register JSAMPROW ptr; - register JSAMPROW color_map = cinfo->colormap[0]; - register JDIMENSION col; - - ptr = dest->pub.buffer[0]; - bufferptr = dest->iobuffer; - for (col = cinfo->output_width; col > 0; col--) { - PUTPPMSAMPLE(bufferptr, GETJSAMPLE(color_map[GETJSAMPLE(*ptr++)])); - } - (void) JFWRITE(dest->pub.output_file, dest->iobuffer, dest->buffer_width); -} - - -/* - * Startup: write the file header. - */ - -METHODDEF(void) -start_output_ppm (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo) -{ - ppm_dest_ptr dest = (ppm_dest_ptr) dinfo; - - /* Emit file header */ - switch (cinfo->out_color_space) { - case JCS_GRAYSCALE: - /* emit header for raw PGM format */ - fprintf(dest->pub.output_file, "P5\n%ld %ld\n%d\n", - (long) cinfo->output_width, (long) cinfo->output_height, - PPM_MAXVAL); - break; - case JCS_RGB: - /* emit header for raw PPM format */ - fprintf(dest->pub.output_file, "P6\n%ld %ld\n%d\n", - (long) cinfo->output_width, (long) cinfo->output_height, - PPM_MAXVAL); - break; - default: - ERREXIT(cinfo, JERR_PPM_COLORSPACE); - } -} - - -/* - * Finish up at the end of the file. - */ - -METHODDEF(void) -finish_output_ppm (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo) -{ - /* Make sure we wrote the output file OK */ - fflush(dinfo->output_file); - if (ferror(dinfo->output_file)) - ERREXIT(cinfo, JERR_FILE_WRITE); -} - - -/* - * The module selection routine for PPM format output. - */ - -GLOBAL(djpeg_dest_ptr) -jinit_write_ppm (j_decompress_ptr cinfo) -{ - ppm_dest_ptr dest; - - /* Create module interface object, fill in method pointers */ - dest = (ppm_dest_ptr) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(ppm_dest_struct)); - dest->pub.start_output = start_output_ppm; - dest->pub.finish_output = finish_output_ppm; - - /* Calculate output image dimensions so we can allocate space */ - jpeg_calc_output_dimensions(cinfo); - - /* Create physical I/O buffer. Note we make this near on a PC. */ - dest->samples_per_row = cinfo->output_width * cinfo->out_color_components; - dest->buffer_width = dest->samples_per_row * (BYTESPERSAMPLE * SIZEOF(char)); - dest->iobuffer = (char *) (*cinfo->mem->alloc_small) - ((j_common_ptr) cinfo, JPOOL_IMAGE, dest->buffer_width); - - if (cinfo->quantize_colors || BITS_IN_JSAMPLE != 8 || - SIZEOF(JSAMPLE) != SIZEOF(char)) { - /* When quantizing, we need an output buffer for colormap indexes - * that's separate from the physical I/O buffer. We also need a - * separate buffer if pixel format translation must take place. - */ - dest->pub.buffer = (*cinfo->mem->alloc_sarray) - ((j_common_ptr) cinfo, JPOOL_IMAGE, - cinfo->output_width * cinfo->output_components, (JDIMENSION) 1); - dest->pub.buffer_height = 1; - if (! cinfo->quantize_colors) - dest->pub.put_pixel_rows = copy_pixel_rows; - else if (cinfo->out_color_space == JCS_GRAYSCALE) - dest->pub.put_pixel_rows = put_demapped_gray; - else - dest->pub.put_pixel_rows = put_demapped_rgb; - } else { - /* We will fwrite() directly from decompressor output buffer. */ - /* Synthesize a JSAMPARRAY pointer structure */ - /* Cast here implies near->far pointer conversion on PCs */ - dest->pixrow = (JSAMPROW) dest->iobuffer; - dest->pub.buffer = & dest->pixrow; - dest->pub.buffer_height = 1; - dest->pub.put_pixel_rows = put_pixel_rows; - } - - return (djpeg_dest_ptr) dest; -} - -#endif /* PPM_SUPPORTED */ diff --git a/common/jpeg/wrtarga.c b/common/jpeg/wrtarga.c deleted file mode 100644 index cf104d2d..00000000 --- a/common/jpeg/wrtarga.c +++ /dev/null @@ -1,253 +0,0 @@ -/* - * wrtarga.c - * - * Copyright (C) 1991-1996, Thomas G. Lane. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. - * - * This file contains routines to write output images in Targa format. - * - * These routines may need modification for non-Unix environments or - * specialized applications. As they stand, they assume output to - * an ordinary stdio stream. - * - * Based on code contributed by Lee Daniel Crocker. - */ - -#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */ - -#ifdef TARGA_SUPPORTED - - -/* - * To support 12-bit JPEG data, we'd have to scale output down to 8 bits. - * This is not yet implemented. - */ - -#if BITS_IN_JSAMPLE != 8 - Sorry, this code only copes with 8-bit JSAMPLEs. /* deliberate syntax err */ -#endif - -/* - * The output buffer needs to be writable by fwrite(). On PCs, we must - * allocate the buffer in near data space, because we are assuming small-data - * memory model, wherein fwrite() can't reach far memory. If you need to - * process very wide images on a PC, you might have to compile in large-memory - * model, or else replace fwrite() with a putc() loop --- which will be much - * slower. - */ - - -/* Private version of data destination object */ - -typedef struct { - struct djpeg_dest_struct pub; /* public fields */ - - char *iobuffer; /* physical I/O buffer */ - JDIMENSION buffer_width; /* width of one row */ -} tga_dest_struct; - -typedef tga_dest_struct * tga_dest_ptr; - - -LOCAL(void) -write_header (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo, int num_colors) -/* Create and write a Targa header */ -{ - char targaheader[18]; - - /* Set unused fields of header to 0 */ - MEMZERO(targaheader, SIZEOF(targaheader)); - - if (num_colors > 0) { - targaheader[1] = 1; /* color map type 1 */ - targaheader[5] = (char) (num_colors & 0xFF); - targaheader[6] = (char) (num_colors >> 8); - targaheader[7] = 24; /* 24 bits per cmap entry */ - } - - targaheader[12] = (char) (cinfo->output_width & 0xFF); - targaheader[13] = (char) (cinfo->output_width >> 8); - targaheader[14] = (char) (cinfo->output_height & 0xFF); - targaheader[15] = (char) (cinfo->output_height >> 8); - targaheader[17] = 0x20; /* Top-down, non-interlaced */ - - if (cinfo->out_color_space == JCS_GRAYSCALE) { - targaheader[2] = 3; /* image type = uncompressed gray-scale */ - targaheader[16] = 8; /* bits per pixel */ - } else { /* must be RGB */ - if (num_colors > 0) { - targaheader[2] = 1; /* image type = colormapped RGB */ - targaheader[16] = 8; - } else { - targaheader[2] = 2; /* image type = uncompressed RGB */ - targaheader[16] = 24; - } - } - - if (JFWRITE(dinfo->output_file, targaheader, 18) != (size_t) 18) - ERREXIT(cinfo, JERR_FILE_WRITE); -} - - -/* - * Write some pixel data. - * In this module rows_supplied will always be 1. - */ - -METHODDEF(void) -put_pixel_rows (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo, - JDIMENSION rows_supplied) -/* used for unquantized full-color output */ -{ - tga_dest_ptr dest = (tga_dest_ptr) dinfo; - register JSAMPROW inptr; - register char * outptr; - register JDIMENSION col; - - inptr = dest->pub.buffer[0]; - outptr = dest->iobuffer; - for (col = cinfo->output_width; col > 0; col--) { - outptr[0] = (char) GETJSAMPLE(inptr[2]); /* RGB to BGR order */ - outptr[1] = (char) GETJSAMPLE(inptr[1]); - outptr[2] = (char) GETJSAMPLE(inptr[0]); - inptr += 3, outptr += 3; - } - (void) JFWRITE(dest->pub.output_file, dest->iobuffer, dest->buffer_width); -} - -METHODDEF(void) -put_gray_rows (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo, - JDIMENSION rows_supplied) -/* used for grayscale OR quantized color output */ -{ - tga_dest_ptr dest = (tga_dest_ptr) dinfo; - register JSAMPROW inptr; - register char * outptr; - register JDIMENSION col; - - inptr = dest->pub.buffer[0]; - outptr = dest->iobuffer; - for (col = cinfo->output_width; col > 0; col--) { - *outptr++ = (char) GETJSAMPLE(*inptr++); - } - (void) JFWRITE(dest->pub.output_file, dest->iobuffer, dest->buffer_width); -} - - -/* - * Write some demapped pixel data when color quantization is in effect. - * For Targa, this is only applied to grayscale data. - */ - -METHODDEF(void) -put_demapped_gray (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo, - JDIMENSION rows_supplied) -{ - tga_dest_ptr dest = (tga_dest_ptr) dinfo; - register JSAMPROW inptr; - register char * outptr; - register JSAMPROW color_map0 = cinfo->colormap[0]; - register JDIMENSION col; - - inptr = dest->pub.buffer[0]; - outptr = dest->iobuffer; - for (col = cinfo->output_width; col > 0; col--) { - *outptr++ = (char) GETJSAMPLE(color_map0[GETJSAMPLE(*inptr++)]); - } - (void) JFWRITE(dest->pub.output_file, dest->iobuffer, dest->buffer_width); -} - - -/* - * Startup: write the file header. - */ - -METHODDEF(void) -start_output_tga (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo) -{ - tga_dest_ptr dest = (tga_dest_ptr) dinfo; - int num_colors, i; - FILE *outfile; - - if (cinfo->out_color_space == JCS_GRAYSCALE) { - /* Targa doesn't have a mapped grayscale format, so we will */ - /* demap quantized gray output. Never emit a colormap. */ - write_header(cinfo, dinfo, 0); - if (cinfo->quantize_colors) - dest->pub.put_pixel_rows = put_demapped_gray; - else - dest->pub.put_pixel_rows = put_gray_rows; - } else if (cinfo->out_color_space == JCS_RGB) { - if (cinfo->quantize_colors) { - /* We only support 8-bit colormap indexes, so only 256 colors */ - num_colors = cinfo->actual_number_of_colors; - if (num_colors > 256) - ERREXIT1(cinfo, JERR_TOO_MANY_COLORS, num_colors); - write_header(cinfo, dinfo, num_colors); - /* Write the colormap. Note Targa uses BGR byte order */ - outfile = dest->pub.output_file; - for (i = 0; i < num_colors; i++) { - putc(GETJSAMPLE(cinfo->colormap[2][i]), outfile); - putc(GETJSAMPLE(cinfo->colormap[1][i]), outfile); - putc(GETJSAMPLE(cinfo->colormap[0][i]), outfile); - } - dest->pub.put_pixel_rows = put_gray_rows; - } else { - write_header(cinfo, dinfo, 0); - dest->pub.put_pixel_rows = put_pixel_rows; - } - } else { - ERREXIT(cinfo, JERR_TGA_COLORSPACE); - } -} - - -/* - * Finish up at the end of the file. - */ - -METHODDEF(void) -finish_output_tga (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo) -{ - /* Make sure we wrote the output file OK */ - fflush(dinfo->output_file); - if (ferror(dinfo->output_file)) - ERREXIT(cinfo, JERR_FILE_WRITE); -} - - -/* - * The module selection routine for Targa format output. - */ - -GLOBAL(djpeg_dest_ptr) -jinit_write_targa (j_decompress_ptr cinfo) -{ - tga_dest_ptr dest; - - /* Create module interface object, fill in method pointers */ - dest = (tga_dest_ptr) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - SIZEOF(tga_dest_struct)); - dest->pub.start_output = start_output_tga; - dest->pub.finish_output = finish_output_tga; - - /* Calculate output image dimensions so we can allocate space */ - jpeg_calc_output_dimensions(cinfo); - - /* Create I/O buffer. Note we make this near on a PC. */ - dest->buffer_width = cinfo->output_width * cinfo->output_components; - dest->iobuffer = (char *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - (size_t) (dest->buffer_width * SIZEOF(char))); - - /* Create decompressor output buffer. */ - dest->pub.buffer = (*cinfo->mem->alloc_sarray) - ((j_common_ptr) cinfo, JPOOL_IMAGE, dest->buffer_width, (JDIMENSION) 1); - dest->pub.buffer_height = 1; - - return (djpeg_dest_ptr) dest; -} - -#endif /* TARGA_SUPPORTED */ diff --git a/common/rfb/CMakeLists.txt b/common/rfb/CMakeLists.txt index b76e86a4..ca723fe8 100644 --- a/common/rfb/CMakeLists.txt +++ b/common/rfb/CMakeLists.txt @@ -1,5 +1,4 @@ -include_directories(${CMAKE_SOURCE_DIR}/common ${CMAKE_SOURCE_DIR}/win - ${CMAKE_SOURCE_DIR}/common/jpeg ${CMAKE_SOURCE_DIR}/common/jpeg/win) +include_directories(${CMAKE_SOURCE_DIR}/common ${CMAKE_SOURCE_DIR}/win) set(RFB_SOURCES Blacklist.cxx diff --git a/common/rfb/Makefile.am b/common/rfb/Makefile.am index 1894871e..ec2ca1a7 100644 --- a/common/rfb/Makefile.am +++ b/common/rfb/Makefile.am @@ -62,11 +62,6 @@ librfb_la_SOURCES += UnixPasswordValidator.cxx UnixPasswordValidator.h pam.c pam librfb_la_LIBADD += $(PAM_LIBS) endif -if INCLUDED_JPEG -librfb_la_CPPFLAGS += -I$(top_srcdir)/common/jpeg -I$(top_builddir)/common/jpeg -librfb_la_LIBADD += $(top_builddir)/common/jpeg/libjpeg.la -endif - if BUILD_WIN librfb_la_SOURCES += WinPasswdValidator.h WinPasswdValidator.cxx endif diff --git a/configure.ac b/configure.ac index 278e47bd..defe262f 100644 --- a/configure.ac +++ b/configure.ac @@ -10,7 +10,7 @@ BUILD=`date +%Y%m%d` AC_CONFIG_AUX_DIR([.]) AM_INIT_AUTOMAKE([-Wall foreign dist-bzip2]) -AC_CONFIG_SUBDIRS([common/jpeg common/zlib]) +AC_CONFIG_SUBDIRS([common/zlib]) AC_CONFIG_HEADERS([config.h]) @@ -195,16 +195,7 @@ AM_CONDITIONAL([INCLUDED_ZLIB], [ test "x$INCLUDED_ZLIB" = xyes ]) AC_CONFIG_SUBDIRS([zlib]) dnl Check for libjpeg library -INCLUDED_JPEG=yes -AC_ARG_WITH([system-jpeg], - AS_HELP_STRING([--with-system-jpeg], - [use libjpeg which is distributed with the O/S]), - [AC_SEARCH_LIBS([jpeg_destroy_compress], [jpeg], - [INCLUDED_JPEG=no], [])], - []) - -AM_CONDITIONAL([INCLUDED_JPEG], [ test "x$INCLUDED_JPEG" = xyes ]) -AC_CONFIG_SUBDIRS([jpeg]) +AC_SEARCH_LIBS([jpeg_destroy_compress], [jpeg]) AC_CHECK_FUNCS([vsnprintf snprintf strcasecmp strncasecmp]) diff --git a/unix/README b/unix/README index 933ecd5c..8b293646 100644 --- a/unix/README +++ b/unix/README @@ -61,11 +61,6 @@ autoconf, automake, libtool and gettext and run following command before This should first build some libraries - rdr, network, Xregion, rfb and tx - followed by the vncviewer, vncconfig and vncpasswd applications. -The default is to build an optimized version of libjpeg included with the -TigerVNC source and link these applications against it. To instead link -against the version of libjpeg provided by the operating system, pass an -argument of "--with-system-jpeg" to configure. - The default is to link against the version of zlib provided by the operating system. If you wish instead to build a static version of zlib and link against it, pass an argument of "--with-included-zlib" to configure. |
