96 lines
2.8 KiB
PHP
96 lines
2.8 KiB
PHP
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<?php
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/////////////////////////////////////////////////////////////////
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/// getID3() by James Heinrich <info@getid3.org> //
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// available at http://getid3.sourceforge.net //
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// or http://www.getid3.org //
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/////////////////////////////////////////////////////////////////
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// //
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// /demo/demo.joinmp3.php - part of getID3() //
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// Sample script for splicing two or more MP3s together into //
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// one file. Does not attempt to fix VBR header frames. //
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// See readme.txt for more details //
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// ///
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/////////////////////////////////////////////////////////////////
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// sample usage:
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// $FilenameOut = 'combined.mp3';
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// $FilenamesIn[] = 'file1.mp3';
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// $FilenamesIn[] = 'file2.mp3';
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// $FilenamesIn[] = 'file3.mp3';
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//
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// if (CombineMultipleMP3sTo($FilenameOut, $FilenamesIn)) {
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// echo 'Successfully copied '.implode(' + ', $FilenamesIn).' to '.$FilenameOut;
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// } else {
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// echo 'Failed to copy '.implode(' + ', $FilenamesIn).' to '.$FilenameOut;
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// }
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function CombineMultipleMP3sTo($FilenameOut, $FilenamesIn) {
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foreach ($FilenamesIn as $nextinputfilename) {
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if (!is_readable($nextinputfilename)) {
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echo 'Cannot read "'.$nextinputfilename.'"<BR>';
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return false;
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}
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}
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if (!is_writeable($FilenameOut)) {
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echo 'Cannot write "'.$FilenameOut.'"<BR>';
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return false;
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}
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require_once('../getid3/getid3.php');
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if ($fp_output = @fopen($FilenameOut, 'wb')) {
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// Initialize getID3 engine
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$getID3 = new getID3;
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foreach ($FilenamesIn as $nextinputfilename) {
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$CurrentFileInfo = $getID3->analyze($nextinputfilename);
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if ($CurrentFileInfo['fileformat'] == 'mp3') {
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if ($fp_source = @fopen($nextinputfilename, 'rb')) {
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$CurrentOutputPosition = ftell($fp_output);
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// copy audio data from first file
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fseek($fp_source, $CurrentFileInfo['avdataoffset'], SEEK_SET);
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while (!feof($fp_source) && (ftell($fp_source) < $CurrentFileInfo['avdataend'])) {
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fwrite($fp_output, fread($fp_source, 32768));
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}
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fclose($fp_source);
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// trim post-audio data (if any) copied from first file that we don't need or want
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$EndOfFileOffset = $CurrentOutputPosition + ($CurrentFileInfo['avdataend'] - $CurrentFileInfo['avdataoffset']);
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fseek($fp_output, $EndOfFileOffset, SEEK_SET);
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ftruncate($fp_output, $EndOfFileOffset);
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} else {
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echo 'failed to open '.$nextinputfilename.' for reading';
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fclose($fp_output);
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return false;
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}
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} else {
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echo $nextinputfilename.' is not MP3 format';
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fclose($fp_output);
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return false;
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}
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}
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} else {
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echo 'failed to open '.$FilenameOut.' for writing';
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return false;
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}
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fclose($fp_output);
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return true;
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}
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?>
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