blob: db2420039efed6e51ed9bad83a14c075b53dafb0 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
#ifndef __IRIXDMJPEGCOMPRESSOR_H__
#define __IRIXDMJPEGCOMPRESSOR_H__
#include <sys/types.h>
#include <rdr/types.h>
#include <rfb/PixelFormat.h>
#include <rfb/JpegCompressor.h>
#include <rfb/IrixDMIC_RawToJpeg.h>
namespace rfb {
//
// A C++ class for performing JPEG compression.
// This implementation uses IRIX Digital Media libraries.
//
class IrixDMJpegCompressor : public JpegCompressor
{
public:
IrixDMJpegCompressor();
virtual ~IrixDMJpegCompressor();
// Check if the object has been created successfully.
bool isValid() const { return m_ic.isValid(); }
// Set JPEG quality level (0..100).
virtual void setQuality(int level);
// Actually compress the image.
virtual void compress(const rdr::U32 *buf, const PixelFormat *fmt,
int w, int h, int stride);
// Access results of the compression.
virtual size_t getDataLength() { return m_compressedLength; }
virtual const char *getDataPtr() { return m_compressedData; }
protected:
// Update image size and make sure that our buffer pools will
// allocate properly-sized buffers.
bool updateImageSize(int w, int h);
protected:
static const int DEFAULT_QUALITY;
int m_quality;
IrixDMIC_RawToJpeg m_ic;
int m_width;
int m_height;
DMbufferpool m_srcPool;
DMbufferpool m_dstPool;
int m_bufferSize;
char *m_compressedData;
size_t m_compressedLength;
};
}
#endif // __IRIXDMJPEGCOMPRESSOR_H__
|