70 lines
2.3 KiB
PHP
70 lines
2.3 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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// See readme.txt for more details //
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/////////////////////////////////////////////////////////////////
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// //
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// module.audio.bink.php //
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// module for analyzing Bink or Smacker audio-video files //
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// dependencies: NONE //
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// ///
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/////////////////////////////////////////////////////////////////
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class getid3_bink
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{
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function getid3_bink(&$fd, &$ThisFileInfo) {
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$ThisFileInfo['error'][] = 'Bink / Smacker files not properly processed by this version of getID3()';
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fseek($fd, $ThisFileInfo['avdataoffset'], SEEK_SET);
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$fileTypeID = fread($fd, 3);
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switch ($fileTypeID) {
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case 'BIK':
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return $this->ParseBink($fd, $ThisFileInfo);
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break;
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case 'SMK':
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return $this->ParseSmacker($fd, $ThisFileInfo);
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break;
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default:
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$ThisFileInfo['error'][] = 'Expecting "BIK" or "SMK" at offset '.$ThisFileInfo['avdataoffset'].', found "'.$fileTypeID.'"';
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return false;
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break;
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}
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return true;
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}
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function ParseBink(&$fd, &$ThisFileInfo) {
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$ThisFileInfo['fileformat'] = 'bink';
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$ThisFileInfo['video']['dataformat'] = 'bink';
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$fileData = 'BIK'.fread($fd, 13);
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$ThisFileInfo['bink']['data_size'] = getid3_lib::LittleEndian2Int(substr($fileData, 4, 4));
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$ThisFileInfo['bink']['frame_count'] = getid3_lib::LittleEndian2Int(substr($fileData, 8, 2));
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if (($ThisFileInfo['avdataend'] - $ThisFileInfo['avdataoffset']) != ($ThisFileInfo['bink']['data_size'] + 8)) {
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$ThisFileInfo['error'][] = 'Probably truncated file: expecting '.$ThisFileInfo['bink']['data_size'].' bytes, found '.($ThisFileInfo['avdataend'] - $ThisFileInfo['avdataoffset']);
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}
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return true;
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}
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function ParseSmacker(&$fd, &$ThisFileInfo) {
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$ThisFileInfo['fileformat'] = 'smacker';
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$ThisFileInfo['video']['dataformat'] = 'smacker';
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return false;
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}
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}
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?>
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