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
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at http://getid3.sourceforge.net //
// or http://www.getid3.org //
/////////////////////////////////////////////////////////////////
// //
// /demo/demo.joinmp3.php - part of getID3() //
// Sample script for splicing two or more MP3s together into //
// one file. Does not attempt to fix VBR header frames. //
// See readme.txt for more details //
// ///
/////////////////////////////////////////////////////////////////
// sample usage:
// $FilenameOut = 'combined.mp3';
// $FilenamesIn[] = 'file1.mp3';
// $FilenamesIn[] = 'file2.mp3';
// $FilenamesIn[] = 'file3.mp3';
//
// if (CombineMultipleMP3sTo($FilenameOut, $FilenamesIn)) {
// echo 'Successfully copied '.implode(' + ', $FilenamesIn).' to '.$FilenameOut;
// } else {
// echo 'Failed to copy '.implode(' + ', $FilenamesIn).' to '.$FilenameOut;
// }
function CombineMultipleMP3sTo($FilenameOut, $FilenamesIn) {
foreach ($FilenamesIn as $nextinputfilename) {
if (!is_readable($nextinputfilename)) {
echo 'Cannot read "'.$nextinputfilename.'"<BR>';
return false;
}
}
if (!is_writeable($FilenameOut)) {
echo 'Cannot write "'.$FilenameOut.'"<BR>';
return false;
}
require_once('../getid3/getid3.php');
if ($fp_output = @fopen($FilenameOut, 'wb')) {
// Initialize getID3 engine
$getID3 = new getID3;
foreach ($FilenamesIn as $nextinputfilename) {
$CurrentFileInfo = $getID3->analyze($nextinputfilename);
if ($CurrentFileInfo['fileformat'] == 'mp3') {
if ($fp_source = @fopen($nextinputfilename, 'rb')) {
$CurrentOutputPosition = ftell($fp_output);
// copy audio data from first file
fseek($fp_source, $CurrentFileInfo['avdataoffset'], SEEK_SET);
while (!feof($fp_source) && (ftell($fp_source) < $CurrentFileInfo['avdataend'])) {
fwrite($fp_output, fread($fp_source, 32768));
}
fclose($fp_source);
// trim post-audio data (if any) copied from first file that we don't need or want
$EndOfFileOffset = $CurrentOutputPosition + ($CurrentFileInfo['avdataend'] - $CurrentFileInfo['avdataoffset']);
fseek($fp_output, $EndOfFileOffset, SEEK_SET);
ftruncate($fp_output, $EndOfFileOffset);
} else {
echo 'failed to open '.$nextinputfilename.' for reading';
fclose($fp_output);
return false;
}
} else {
echo $nextinputfilename.' is not MP3 format';
fclose($fp_output);
return false;
}
}
} else {
echo 'failed to open '.$FilenameOut.' for writing';
return false;
}
fclose($fp_output);
return true;
}
?>
|
