1382 lines
71 KiB
PHP
1382 lines
71 KiB
PHP
<?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-video.quicktime.php //
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// module for analyzing Quicktime and MP3-in-MP4 files //
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// dependencies: module.audio.mp3.php //
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// ///
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/////////////////////////////////////////////////////////////////
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getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.mp3.php', __FILE__, true);
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class getid3_quicktime
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{
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function getid3_quicktime(&$fd, &$ThisFileInfo, $ReturnAtomData=true, $ParseAllPossibleAtoms=false) {
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$ThisFileInfo['fileformat'] = 'quicktime';
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$ThisFileInfo['quicktime']['hinting'] = false;
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fseek($fd, $ThisFileInfo['avdataoffset'], SEEK_SET);
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$offset = 0;
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$atomcounter = 0;
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while ($offset < $ThisFileInfo['avdataend']) {
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if ($offset >= pow(2, 31)) {
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$ThisFileInfo['error'][] = 'Unable to parse atom at offset '.$offset.' because beyond 2GB limit of PHP filesystem functions';
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break;
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}
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fseek($fd, $offset, SEEK_SET);
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$AtomHeader = fread($fd, 8);
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$atomsize = getid3_lib::BigEndian2Int(substr($AtomHeader, 0, 4));
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$atomname = substr($AtomHeader, 4, 4);
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// 64-bit MOV patch by jlegateØktnc*com
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if ($atomsize == 1) {
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$atomsize = getid3_lib::BigEndian2Int(fread($fd, 8));
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}
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$ThisFileInfo['quicktime'][$atomname]['name'] = $atomname;
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$ThisFileInfo['quicktime'][$atomname]['size'] = $atomsize;
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$ThisFileInfo['quicktime'][$atomname]['offset'] = $offset;
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if (($offset + $atomsize) > $ThisFileInfo['avdataend']) {
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$ThisFileInfo['error'][] = 'Atom at offset '.$offset.' claims to go beyond end-of-file (length: '.$atomsize.' bytes)';
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return false;
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}
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if ($atomsize == 0) {
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// Furthermore, for historical reasons the list of atoms is optionally
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// terminated by a 32-bit integer set to 0. If you are writing a program
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// to read user data atoms, you should allow for the terminating 0.
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break;
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}
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switch ($atomname) {
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case 'mdat': // Media DATa atom
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// 'mdat' contains the actual data for the audio/video
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if (($atomsize > 8) && (!isset($ThisFileInfo['avdataend_tmp']) || ($ThisFileInfo['quicktime'][$atomname]['size'] > ($ThisFileInfo['avdataend_tmp'] - $ThisFileInfo['avdataoffset'])))) {
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$ThisFileInfo['avdataoffset'] = $ThisFileInfo['quicktime'][$atomname]['offset'] + 8;
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$OldAVDataEnd = $ThisFileInfo['avdataend'];
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$ThisFileInfo['avdataend'] = $ThisFileInfo['quicktime'][$atomname]['offset'] + $ThisFileInfo['quicktime'][$atomname]['size'];
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if (getid3_mp3::MPEGaudioHeaderValid(getid3_mp3::MPEGaudioHeaderDecode(fread($fd, 4)))) {
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getid3_mp3::getOnlyMPEGaudioInfo($fd, $ThisFileInfo, $ThisFileInfo['avdataoffset'], false);
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if (isset($ThisFileInfo['mpeg']['audio'])) {
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$ThisFileInfo['audio']['dataformat'] = 'mp3';
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$ThisFileInfo['audio']['codec'] = (!empty($ThisFileInfo['mpeg']['audio']['encoder']) ? $ThisFileInfo['mpeg']['audio']['encoder'] : (!empty($ThisFileInfo['mpeg']['audio']['codec']) ? $ThisFileInfo['mpeg']['audio']['codec'] : (!empty($ThisFileInfo['mpeg']['audio']['LAME']) ? 'LAME' :'mp3')));
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$ThisFileInfo['audio']['sample_rate'] = $ThisFileInfo['mpeg']['audio']['sample_rate'];
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$ThisFileInfo['audio']['channels'] = $ThisFileInfo['mpeg']['audio']['channels'];
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$ThisFileInfo['audio']['bitrate'] = $ThisFileInfo['mpeg']['audio']['bitrate'];
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$ThisFileInfo['audio']['bitrate_mode'] = strtolower($ThisFileInfo['mpeg']['audio']['bitrate_mode']);
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$ThisFileInfo['bitrate'] = $ThisFileInfo['audio']['bitrate'];
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}
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}
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$ThisFileInfo['avdataend'] = $OldAVDataEnd;
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unset($OldAVDataEnd);
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}
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break;
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case 'free': // FREE space atom
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case 'skip': // SKIP atom
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case 'wide': // 64-bit expansion placeholder atom
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// 'free', 'skip' and 'wide' are just padding, contains no useful data at all
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break;
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default:
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$atomHierarchy = array();
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$ThisFileInfo['quicktime'][$atomname] = $this->QuicktimeParseAtom($atomname, $atomsize, fread($fd, $atomsize), $ThisFileInfo, $offset, $atomHierarchy, $ParseAllPossibleAtoms);
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break;
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}
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$offset += $atomsize;
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$atomcounter++;
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}
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if (!empty($ThisFileInfo['avdataend_tmp'])) {
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// this value is assigned to a temp value and then erased because
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// otherwise any atoms beyond the 'mdat' atom would not get parsed
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$ThisFileInfo['avdataend'] = $ThisFileInfo['avdataend_tmp'];
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unset($ThisFileInfo['avdataend_tmp']);
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}
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if (!isset($ThisFileInfo['bitrate']) && isset($ThisFileInfo['playtime_seconds'])) {
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$ThisFileInfo['bitrate'] = (($ThisFileInfo['avdataend'] - $ThisFileInfo['avdataoffset']) * 8) / $ThisFileInfo['playtime_seconds'];
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}
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if (isset($ThisFileInfo['bitrate']) && !isset($ThisFileInfo['audio']['bitrate']) && !isset($ThisFileInfo['quicktime']['video'])) {
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$ThisFileInfo['audio']['bitrate'] = $ThisFileInfo['bitrate'];
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}
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if (@$ThisFileInfo['playtime_seconds'] && !isset($ThisFileInfo['video']['frame_rate']) && !empty($ThisFileInfo['quicktime']['stts_framecount'])) {
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foreach ($ThisFileInfo['quicktime']['stts_framecount'] as $key => $samples_count) {
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$samples_per_second = $samples_count / $ThisFileInfo['playtime_seconds'];
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if ($samples_per_second > 240) {
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// has to be audio samples
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} else {
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$ThisFileInfo['video']['frame_rate'] = $samples_per_second;
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break;
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}
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}
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}
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if (($ThisFileInfo['audio']['dataformat'] == 'mp4') && empty($ThisFileInfo['video']['resolution_x'])) {
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$ThisFileInfo['fileformat'] = 'mp4';
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$ThisFileInfo['mime_type'] = 'audio/mp4';
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unset($ThisFileInfo['video']['dataformat']);
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}
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if (!$ReturnAtomData) {
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unset($ThisFileInfo['quicktime']['moov']);
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}
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if (empty($ThisFileInfo['audio']['dataformat']) && !empty($ThisFileInfo['quicktime']['audio'])) {
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$ThisFileInfo['audio']['dataformat'] = 'quicktime';
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}
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if (empty($ThisFileInfo['video']['dataformat']) && !empty($ThisFileInfo['quicktime']['video'])) {
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$ThisFileInfo['video']['dataformat'] = 'quicktime';
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}
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return true;
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}
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function QuicktimeParseAtom($atomname, $atomsize, $atomdata, &$ThisFileInfo, $baseoffset, &$atomHierarchy, $ParseAllPossibleAtoms) {
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// http://developer.apple.com/techpubs/quicktime/qtdevdocs/APIREF/INDEX/atomalphaindex.htm
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array_push($atomHierarchy, $atomname);
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$atomstructure['hierarchy'] = implode(' ', $atomHierarchy);
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$atomstructure['name'] = $atomname;
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$atomstructure['size'] = $atomsize;
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$atomstructure['offset'] = $baseoffset;
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switch ($atomname) {
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case 'moov': // MOVie container atom
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case 'trak': // TRAcK container atom
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case 'clip': // CLIPping container atom
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case 'matt': // track MATTe container atom
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case 'edts': // EDiTS container atom
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case 'tref': // Track REFerence container atom
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case 'mdia': // MeDIA container atom
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case 'minf': // Media INFormation container atom
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case 'dinf': // Data INFormation container atom
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case 'udta': // User DaTA container atom
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case 'cmov': // Compressed MOVie container atom
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case 'rmra': // Reference Movie Record Atom
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case 'rmda': // Reference Movie Descriptor Atom
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case 'gmhd': // Generic Media info HeaDer atom (seen on QTVR)
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$atomstructure['subatoms'] = $this->QuicktimeParseContainerAtom($atomdata, $ThisFileInfo, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);
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break;
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case 'stbl': // Sample TaBLe container atom
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$atomstructure['subatoms'] = $this->QuicktimeParseContainerAtom($atomdata, $ThisFileInfo, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);
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$isVideo = false;
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$framerate = 0;
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$framecount = 0;
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foreach ($atomstructure['subatoms'] as $key => $value_array) {
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if (isset($value_array['sample_description_table'])) {
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foreach ($value_array['sample_description_table'] as $key2 => $value_array2) {
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if (isset($value_array2['data_format'])) {
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switch ($value_array2['data_format']) {
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case 'avc1':
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case 'mp4v':
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// video data
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$isVideo = true;
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break;
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case 'mp4a':
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// audio data
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break;
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}
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}
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}
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} elseif (isset($value_array['time_to_sample_table'])) {
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foreach ($value_array['time_to_sample_table'] as $key2 => $value_array2) {
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if (isset($value_array2['sample_count']) && isset($value_array2['sample_duration'])) {
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$framerate = round($ThisFileInfo['quicktime']['time_scale'] / $value_array2['sample_duration'], 3);
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$framecount = $value_array2['sample_count'];
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}
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}
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}
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}
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if ($isVideo && $framerate) {
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$ThisFileInfo['quicktime']['video']['frame_rate'] = $framerate;
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$ThisFileInfo['video']['frame_rate'] = $ThisFileInfo['quicktime']['video']['frame_rate'];
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}
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if ($isVideo && $framecount) {
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$ThisFileInfo['quicktime']['video']['frame_count'] = $framecount;
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}
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break;
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case '©cpy':
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case '©day':
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case '©dir':
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case '©ed1':
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case '©ed2':
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case '©ed3':
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case '©ed4':
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case '©ed5':
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case '©ed6':
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case '©ed7':
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case '©ed8':
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case '©ed9':
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case '©fmt':
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case '©inf':
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case '©prd':
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case '©prf':
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case '©req':
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case '©src':
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case '©wrt':
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case '©nam':
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case '©cmt':
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case '©wrn':
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case '©hst':
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case '©mak':
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case '©mod':
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case '©PRD':
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case '©swr':
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case '©aut':
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case '©ART':
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case '©trk':
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case '©alb':
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case '©com':
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case '©gen':
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case '©ope':
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case '©url':
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case '©enc':
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$atomstructure['data_length'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 2));
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$atomstructure['language_id'] = getid3_lib::BigEndian2Int(substr($atomdata, 2, 2));
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$atomstructure['data'] = substr($atomdata, 4);
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$atomstructure['language'] = $this->QuicktimeLanguageLookup($atomstructure['language_id']);
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if (empty($ThisFileInfo['comments']['language']) || (!in_array($atomstructure['language'], $ThisFileInfo['comments']['language']))) {
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$ThisFileInfo['comments']['language'][] = $atomstructure['language'];
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}
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$this->CopyToAppropriateCommentsSection($atomname, $atomstructure['data'], $ThisFileInfo);
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break;
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case 'play': // auto-PLAY atom
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$atomstructure['autoplay'] = (bool) getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
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$ThisFileInfo['quicktime']['autoplay'] = $atomstructure['autoplay'];
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break;
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case 'WLOC': // Window LOCation atom
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$atomstructure['location_x'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 2));
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$atomstructure['location_y'] = getid3_lib::BigEndian2Int(substr($atomdata, 2, 2));
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break;
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case 'LOOP': // LOOPing atom
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case 'SelO': // play SELection Only atom
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case 'AllF': // play ALL Frames atom
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$atomstructure['data'] = getid3_lib::BigEndian2Int($atomdata);
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break;
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case 'name': //
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case 'MCPS': // Media Cleaner PRo
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case '@PRM': // adobe PReMiere version
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case '@PRQ': // adobe PRemiere Quicktime version
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$atomstructure['data'] = $atomdata;
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break;
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case 'cmvd': // Compressed MooV Data atom
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// Code by ubergeekØubergeek*tv based on information from
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// http://developer.apple.com/quicktime/icefloe/dispatch012.html
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$atomstructure['unCompressedSize'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 4));
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$CompressedFileData = substr($atomdata, 4);
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if ($UncompressedHeader = @gzuncompress($CompressedFileData)) {
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$atomstructure['subatoms'] = $this->QuicktimeParseContainerAtom($UncompressedHeader, $ThisFileInfo, 0, $atomHierarchy, $ParseAllPossibleAtoms);
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} else {
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$ThisFileInfo['warning'][] = 'Error decompressing compressed MOV atom at offset '.$atomstructure['offset'];
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}
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break;
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case 'dcom': // Data COMpression atom
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$atomstructure['compression_id'] = $atomdata;
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$atomstructure['compression_text'] = $this->QuicktimeDCOMLookup($atomdata);
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break;
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case 'rdrf': // Reference movie Data ReFerence atom
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$atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
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$atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3));
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$atomstructure['flags']['internal_data'] = (bool) ($atomstructure['flags_raw'] & 0x000001);
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$atomstructure['reference_type_name'] = substr($atomdata, 4, 4);
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$atomstructure['reference_length'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 4));
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switch ($atomstructure['reference_type_name']) {
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case 'url ':
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$atomstructure['url'] = $this->NoNullString(substr($atomdata, 12));
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break;
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case 'alis':
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$atomstructure['file_alias'] = substr($atomdata, 12);
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break;
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case 'rsrc':
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$atomstructure['resource_alias'] = substr($atomdata, 12);
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break;
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default:
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$atomstructure['data'] = substr($atomdata, 12);
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break;
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}
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break;
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case 'rmqu': // Reference Movie QUality atom
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$atomstructure['movie_quality'] = getid3_lib::BigEndian2Int($atomdata);
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break;
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case 'rmcs': // Reference Movie Cpu Speed atom
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$atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
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$atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000
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$atomstructure['cpu_speed_rating'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2));
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break;
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case 'rmvc': // Reference Movie Version Check atom
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$atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
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$atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000
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$atomstructure['gestalt_selector'] = substr($atomdata, 4, 4);
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$atomstructure['gestalt_value_mask'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 4));
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$atomstructure['gestalt_value'] = getid3_lib::BigEndian2Int(substr($atomdata, 12, 4));
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$atomstructure['gestalt_check_type'] = getid3_lib::BigEndian2Int(substr($atomdata, 14, 2));
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break;
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case 'rmcd': // Reference Movie Component check atom
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$atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
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$atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000
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$atomstructure['component_type'] = substr($atomdata, 4, 4);
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$atomstructure['component_subtype'] = substr($atomdata, 8, 4);
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$atomstructure['component_manufacturer'] = substr($atomdata, 12, 4);
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$atomstructure['component_flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 16, 4));
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$atomstructure['component_flags_mask'] = getid3_lib::BigEndian2Int(substr($atomdata, 20, 4));
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$atomstructure['component_min_version'] = getid3_lib::BigEndian2Int(substr($atomdata, 24, 4));
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break;
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case 'rmdr': // Reference Movie Data Rate atom
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$atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
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$atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000
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$atomstructure['data_rate'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4));
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$atomstructure['data_rate_bps'] = $atomstructure['data_rate'] * 10;
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break;
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case 'rmla': // Reference Movie Language Atom
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$atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
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$atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000
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$atomstructure['language_id'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2));
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$atomstructure['language'] = $this->QuicktimeLanguageLookup($atomstructure['language_id']);
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if (empty($ThisFileInfo['comments']['language']) || (!in_array($atomstructure['language'], $ThisFileInfo['comments']['language']))) {
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$ThisFileInfo['comments']['language'][] = $atomstructure['language'];
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}
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break;
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case 'rmla': // Reference Movie Language Atom
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$atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
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$atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000
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$atomstructure['track_id'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2));
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break;
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case 'ptv ': // Print To Video - defines a movie's full screen mode
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// http://developer.apple.com/documentation/QuickTime/APIREF/SOURCESIV/at_ptv-_pg.htm
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$atomstructure['display_size_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 2));
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$atomstructure['reserved_1'] = getid3_lib::BigEndian2Int(substr($atomdata, 2, 2)); // hardcoded: 0x0000
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$atomstructure['reserved_2'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2)); // hardcoded: 0x0000
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$atomstructure['slide_show_flag'] = getid3_lib::BigEndian2Int(substr($atomdata, 6, 1));
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$atomstructure['play_on_open_flag'] = getid3_lib::BigEndian2Int(substr($atomdata, 7, 1));
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$atomstructure['flags']['play_on_open'] = (bool) $atomstructure['play_on_open_flag'];
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$atomstructure['flags']['slide_show'] = (bool) $atomstructure['slide_show_flag'];
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$ptv_lookup[0] = 'normal';
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$ptv_lookup[1] = 'double';
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$ptv_lookup[2] = 'half';
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$ptv_lookup[3] = 'full';
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$ptv_lookup[4] = 'current';
|
|
if (isset($ptv_lookup[$atomstructure['display_size_raw']])) {
|
|
$atomstructure['display_size'] = $ptv_lookup[$atomstructure['display_size_raw']];
|
|
} else {
|
|
$ThisFileInfo['warning'][] = 'unknown "ptv " display constant ('.$atomstructure['display_size_raw'].')';
|
|
}
|
|
break;
|
|
|
|
|
|
case 'stsd': // Sample Table Sample Description atom
|
|
$atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
|
|
$atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000
|
|
$atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4));
|
|
$stsdEntriesDataOffset = 8;
|
|
for ($i = 0; $i < $atomstructure['number_entries']; $i++) {
|
|
$atomstructure['sample_description_table'][$i]['size'] = getid3_lib::BigEndian2Int(substr($atomdata, $stsdEntriesDataOffset, 4));
|
|
$stsdEntriesDataOffset += 4;
|
|
$atomstructure['sample_description_table'][$i]['data_format'] = substr($atomdata, $stsdEntriesDataOffset, 4);
|
|
$stsdEntriesDataOffset += 4;
|
|
$atomstructure['sample_description_table'][$i]['reserved'] = getid3_lib::BigEndian2Int(substr($atomdata, $stsdEntriesDataOffset, 6));
|
|
$stsdEntriesDataOffset += 6;
|
|
$atomstructure['sample_description_table'][$i]['reference_index'] = getid3_lib::BigEndian2Int(substr($atomdata, $stsdEntriesDataOffset, 2));
|
|
$stsdEntriesDataOffset += 2;
|
|
$atomstructure['sample_description_table'][$i]['data'] = substr($atomdata, $stsdEntriesDataOffset, ($atomstructure['sample_description_table'][$i]['size'] - 4 - 4 - 6 - 2));
|
|
$stsdEntriesDataOffset += ($atomstructure['sample_description_table'][$i]['size'] - 4 - 4 - 6 - 2);
|
|
|
|
$atomstructure['sample_description_table'][$i]['encoder_version'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 0, 2));
|
|
$atomstructure['sample_description_table'][$i]['encoder_revision'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 2, 2));
|
|
$atomstructure['sample_description_table'][$i]['encoder_vendor'] = substr($atomstructure['sample_description_table'][$i]['data'], 4, 4);
|
|
|
|
switch ($atomstructure['sample_description_table'][$i]['encoder_vendor']) {
|
|
|
|
case "\x00\x00\x00\x00":
|
|
// audio atom
|
|
$atomstructure['sample_description_table'][$i]['audio_channels'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 8, 2));
|
|
$atomstructure['sample_description_table'][$i]['audio_bit_depth'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 10, 2));
|
|
$atomstructure['sample_description_table'][$i]['audio_compression_id'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 12, 2));
|
|
$atomstructure['sample_description_table'][$i]['audio_packet_size'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 14, 2));
|
|
$atomstructure['sample_description_table'][$i]['audio_sample_rate'] = getid3_lib::FixedPoint16_16(substr($atomstructure['sample_description_table'][$i]['data'], 16, 4));
|
|
|
|
switch ($atomstructure['sample_description_table'][$i]['data_format']) {
|
|
case 'avc1':
|
|
case 'mp4v':
|
|
$ThisFileInfo['fileformat'] = 'mp4';
|
|
$ThisFileInfo['video']['fourcc'] = $atomstructure['sample_description_table'][$i]['data_format'];
|
|
$ThisFileInfo['warning'][] = 'This version ('.GETID3_VERSION.') of getID3() does not fully support MPEG-4 audio/video streams';
|
|
break;
|
|
|
|
case 'qtvr':
|
|
$ThisFileInfo['video']['dataformat'] = 'quicktimevr';
|
|
break;
|
|
|
|
case 'mp4a':
|
|
default:
|
|
$ThisFileInfo['quicktime']['audio']['codec'] = $this->QuicktimeAudioCodecLookup($atomstructure['sample_description_table'][$i]['data_format']);
|
|
$ThisFileInfo['quicktime']['audio']['sample_rate'] = $atomstructure['sample_description_table'][$i]['audio_sample_rate'];
|
|
$ThisFileInfo['quicktime']['audio']['channels'] = $atomstructure['sample_description_table'][$i]['audio_channels'];
|
|
$ThisFileInfo['quicktime']['audio']['bit_depth'] = $atomstructure['sample_description_table'][$i]['audio_bit_depth'];
|
|
$ThisFileInfo['audio']['codec'] = $ThisFileInfo['quicktime']['audio']['codec'];
|
|
$ThisFileInfo['audio']['sample_rate'] = $ThisFileInfo['quicktime']['audio']['sample_rate'];
|
|
$ThisFileInfo['audio']['channels'] = $ThisFileInfo['quicktime']['audio']['channels'];
|
|
$ThisFileInfo['audio']['bits_per_sample'] = $ThisFileInfo['quicktime']['audio']['bit_depth'];
|
|
switch ($atomstructure['sample_description_table'][$i]['data_format']) {
|
|
case 'raw ': // PCM
|
|
case 'alac': // Apple Lossless Audio Codec
|
|
$ThisFileInfo['audio']['lossless'] = true;
|
|
break;
|
|
default:
|
|
$ThisFileInfo['audio']['lossless'] = false;
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
switch ($atomstructure['sample_description_table'][$i]['data_format']) {
|
|
case 'mp4s':
|
|
$ThisFileInfo['fileformat'] = 'mp4';
|
|
break;
|
|
|
|
default:
|
|
// video atom
|
|
$atomstructure['sample_description_table'][$i]['video_temporal_quality'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 8, 4));
|
|
$atomstructure['sample_description_table'][$i]['video_spatial_quality'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 12, 4));
|
|
$atomstructure['sample_description_table'][$i]['video_frame_width'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 16, 2));
|
|
$atomstructure['sample_description_table'][$i]['video_frame_height'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 18, 2));
|
|
$atomstructure['sample_description_table'][$i]['video_resolution_x'] = getid3_lib::FixedPoint16_16(substr($atomstructure['sample_description_table'][$i]['data'], 20, 4));
|
|
$atomstructure['sample_description_table'][$i]['video_resolution_y'] = getid3_lib::FixedPoint16_16(substr($atomstructure['sample_description_table'][$i]['data'], 24, 4));
|
|
$atomstructure['sample_description_table'][$i]['video_data_size'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 28, 4));
|
|
$atomstructure['sample_description_table'][$i]['video_frame_count'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 32, 2));
|
|
$atomstructure['sample_description_table'][$i]['video_encoder_name_len'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 34, 1));
|
|
$atomstructure['sample_description_table'][$i]['video_encoder_name'] = substr($atomstructure['sample_description_table'][$i]['data'], 35, $atomstructure['sample_description_table'][$i]['video_encoder_name_len']);
|
|
$atomstructure['sample_description_table'][$i]['video_pixel_color_depth'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 66, 2));
|
|
$atomstructure['sample_description_table'][$i]['video_color_table_id'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 68, 2));
|
|
|
|
$atomstructure['sample_description_table'][$i]['video_pixel_color_type'] = (($atomstructure['sample_description_table'][$i]['video_pixel_color_depth'] > 32) ? 'grayscale' : 'color');
|
|
$atomstructure['sample_description_table'][$i]['video_pixel_color_name'] = $this->QuicktimeColorNameLookup($atomstructure['sample_description_table'][$i]['video_pixel_color_depth']);
|
|
|
|
if ($atomstructure['sample_description_table'][$i]['video_pixel_color_name'] != 'invalid') {
|
|
$ThisFileInfo['quicktime']['video']['codec_fourcc'] = $atomstructure['sample_description_table'][$i]['data_format'];
|
|
$ThisFileInfo['quicktime']['video']['codec_fourcc_lookup'] = $this->QuicktimeVideoCodecLookup($atomstructure['sample_description_table'][$i]['data_format']);
|
|
$ThisFileInfo['quicktime']['video']['codec'] = $atomstructure['sample_description_table'][$i]['video_encoder_name'];
|
|
$ThisFileInfo['quicktime']['video']['color_depth'] = $atomstructure['sample_description_table'][$i]['video_pixel_color_depth'];
|
|
$ThisFileInfo['quicktime']['video']['color_depth_name'] = $atomstructure['sample_description_table'][$i]['video_pixel_color_name'];
|
|
|
|
$ThisFileInfo['video']['codec'] = $ThisFileInfo['quicktime']['video']['codec'];
|
|
$ThisFileInfo['video']['bits_per_sample'] = $ThisFileInfo['quicktime']['video']['color_depth'];
|
|
}
|
|
$ThisFileInfo['video']['lossless'] = false;
|
|
$ThisFileInfo['video']['pixel_aspect_ratio'] = (float) 1;
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
switch (strtolower($atomstructure['sample_description_table'][$i]['data_format'])) {
|
|
case 'mp4a':
|
|
$ThisFileInfo['audio']['dataformat'] = 'mp4';
|
|
$ThisFileInfo['quicktime']['audio']['codec'] = 'mp4';
|
|
break;
|
|
|
|
case '3ivx':
|
|
case '3iv1':
|
|
case '3iv2':
|
|
$ThisFileInfo['video']['dataformat'] = '3ivx';
|
|
break;
|
|
|
|
case 'xvid':
|
|
$ThisFileInfo['video']['dataformat'] = 'xvid';
|
|
break;
|
|
|
|
case 'mp4v':
|
|
$ThisFileInfo['video']['dataformat'] = 'mpeg4';
|
|
break;
|
|
|
|
case 'divx':
|
|
case 'div1':
|
|
case 'div2':
|
|
case 'div3':
|
|
case 'div4':
|
|
case 'div5':
|
|
case 'div6':
|
|
$TDIVXileInfo['video']['dataformat'] = 'divx';
|
|
break;
|
|
|
|
default:
|
|
// do nothing
|
|
break;
|
|
}
|
|
unset($atomstructure['sample_description_table'][$i]['data']);
|
|
}
|
|
break;
|
|
|
|
|
|
case 'stts': // Sample Table Time-to-Sample atom
|
|
$atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
|
|
$atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000
|
|
$atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4));
|
|
$sttsEntriesDataOffset = 8;
|
|
//$FrameRateCalculatorArray = array();
|
|
$frames_count = 0;
|
|
for ($i = 0; $i < $atomstructure['number_entries']; $i++) {
|
|
$atomstructure['time_to_sample_table'][$i]['sample_count'] = getid3_lib::BigEndian2Int(substr($atomdata, $sttsEntriesDataOffset, 4));
|
|
$sttsEntriesDataOffset += 4;
|
|
$atomstructure['time_to_sample_table'][$i]['sample_duration'] = getid3_lib::BigEndian2Int(substr($atomdata, $sttsEntriesDataOffset, 4));
|
|
$sttsEntriesDataOffset += 4;
|
|
|
|
$frames_count += $atomstructure['time_to_sample_table'][$i]['sample_count'];
|
|
|
|
// THIS SECTION REPLACED WITH CODE IN "stbl" ATOM
|
|
//if (!empty($ThisFileInfo['quicktime']['time_scale']) && (@$atomstructure['time_to_sample_table'][$i]['sample_duration'] > 0)) {
|
|
// $stts_new_framerate = $ThisFileInfo['quicktime']['time_scale'] / $atomstructure['time_to_sample_table'][$i]['sample_duration'];
|
|
// if ($stts_new_framerate <= 60) {
|
|
// // some atoms have durations of "1" giving a very large framerate, which probably is not right
|
|
// $ThisFileInfo['video']['frame_rate'] = max(@$ThisFileInfo['video']['frame_rate'], $stts_new_framerate);
|
|
// }
|
|
//}
|
|
//
|
|
//@$FrameRateCalculatorArray[($ThisFileInfo['quicktime']['time_scale'] / $atomstructure['time_to_sample_table'][$i]['sample_duration'])] += $atomstructure['time_to_sample_table'][$i]['sample_count'];
|
|
}
|
|
$ThisFileInfo['quicktime']['stts_framecount'][] = $frames_count;
|
|
//$sttsFramesTotal = 0;
|
|
//$sttsSecondsTotal = 0;
|
|
//foreach ($FrameRateCalculatorArray as $frames_per_second => $frame_count) {
|
|
// if (($frames_per_second > 60) || ($frames_per_second < 1)) {
|
|
// // not video FPS information, probably audio information
|
|
// $sttsFramesTotal = 0;
|
|
// $sttsSecondsTotal = 0;
|
|
// break;
|
|
// }
|
|
// $sttsFramesTotal += $frame_count;
|
|
// $sttsSecondsTotal += $frame_count / $frames_per_second;
|
|
//}
|
|
//if (($sttsFramesTotal > 0) && ($sttsSecondsTotal > 0)) {
|
|
// if (($sttsFramesTotal / $sttsSecondsTotal) > @$ThisFileInfo['video']['frame_rate']) {
|
|
// $ThisFileInfo['video']['frame_rate'] = $sttsFramesTotal / $sttsSecondsTotal;
|
|
// }
|
|
//}
|
|
break;
|
|
|
|
|
|
case 'stss': // Sample Table Sync Sample (key frames) atom
|
|
if ($ParseAllPossibleAtoms) {
|
|
$atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
|
|
$atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000
|
|
$atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4));
|
|
$stssEntriesDataOffset = 8;
|
|
for ($i = 0; $i < $atomstructure['number_entries']; $i++) {
|
|
$atomstructure['time_to_sample_table'][$i] = getid3_lib::BigEndian2Int(substr($atomdata, $stssEntriesDataOffset, 4));
|
|
$stssEntriesDataOffset += 4;
|
|
}
|
|
}
|
|
break;
|
|
|
|
|
|
case 'stsc': // Sample Table Sample-to-Chunk atom
|
|
if ($ParseAllPossibleAtoms) {
|
|
$atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
|
|
$atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000
|
|
$atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4));
|
|
$stscEntriesDataOffset = 8;
|
|
for ($i = 0; $i < $atomstructure['number_entries']; $i++) {
|
|
$atomstructure['sample_to_chunk_table'][$i]['first_chunk'] = getid3_lib::BigEndian2Int(substr($atomdata, $stscEntriesDataOffset, 4));
|
|
$stscEntriesDataOffset += 4;
|
|
$atomstructure['sample_to_chunk_table'][$i]['samples_per_chunk'] = getid3_lib::BigEndian2Int(substr($atomdata, $stscEntriesDataOffset, 4));
|
|
$stscEntriesDataOffset += 4;
|
|
$atomstructure['sample_to_chunk_table'][$i]['sample_description'] = getid3_lib::BigEndian2Int(substr($atomdata, $stscEntriesDataOffset, 4));
|
|
$stscEntriesDataOffset += 4;
|
|
}
|
|
}
|
|
break;
|
|
|
|
|
|
case 'stsz': // Sample Table SiZe atom
|
|
if ($ParseAllPossibleAtoms) {
|
|
$atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
|
|
$atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000
|
|
$atomstructure['sample_size'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4));
|
|
$atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 4));
|
|
$stszEntriesDataOffset = 12;
|
|
if ($atomstructure['sample_size'] == 0) {
|
|
for ($i = 0; $i < $atomstructure['number_entries']; $i++) {
|
|
$atomstructure['sample_size_table'][$i] = getid3_lib::BigEndian2Int(substr($atomdata, $stszEntriesDataOffset, 4));
|
|
$stszEntriesDataOffset += 4;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
|
|
case 'stco': // Sample Table Chunk Offset atom
|
|
if ($ParseAllPossibleAtoms) {
|
|
$atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
|
|
$atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000
|
|
$atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4));
|
|
$stcoEntriesDataOffset = 8;
|
|
for ($i = 0; $i < $atomstructure['number_entries']; $i++) {
|
|
$atomstructure['chunk_offset_table'][$i] = getid3_lib::BigEndian2Int(substr($atomdata, $stcoEntriesDataOffset, 4));
|
|
$stcoEntriesDataOffset += 4;
|
|
}
|
|
}
|
|
break;
|
|
|
|
|
|
case 'co64': // Chunk Offset 64-bit (version of "stco" that supports > 2GB files)
|
|
if ($ParseAllPossibleAtoms) {
|
|
$atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
|
|
$atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000
|
|
$atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4));
|
|
$stcoEntriesDataOffset = 8;
|
|
for ($i = 0; $i < $atomstructure['number_entries']; $i++) {
|
|
$atomstructure['chunk_offset_table'][$i] = getid3_lib::BigEndian2Int(substr($atomdata, $stcoEntriesDataOffset, 8));
|
|
$stcoEntriesDataOffset += 8;
|
|
}
|
|
}
|
|
break;
|
|
|
|
|
|
case 'dref': // Data REFerence atom
|
|
$atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
|
|
$atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000
|
|
$atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4));
|
|
$drefDataOffset = 8;
|
|
for ($i = 0; $i < $atomstructure['number_entries']; $i++) {
|
|
$atomstructure['data_references'][$i]['size'] = getid3_lib::BigEndian2Int(substr($atomdata, $drefDataOffset, 4));
|
|
$drefDataOffset += 4;
|
|
$atomstructure['data_references'][$i]['type'] = substr($atomdata, $drefDataOffset, 4);
|
|
$drefDataOffset += 4;
|
|
$atomstructure['data_references'][$i]['version'] = getid3_lib::BigEndian2Int(substr($atomdata, $drefDataOffset, 1));
|
|
$drefDataOffset += 1;
|
|
$atomstructure['data_references'][$i]['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, $drefDataOffset, 3)); // hardcoded: 0x0000
|
|
$drefDataOffset += 3;
|
|
$atomstructure['data_references'][$i]['data'] = substr($atomdata, $drefDataOffset, ($atomstructure['data_references'][$i]['size'] - 4 - 4 - 1 - 3));
|
|
$drefDataOffset += ($atomstructure['data_references'][$i]['size'] - 4 - 4 - 1 - 3);
|
|
|
|
$atomstructure['data_references'][$i]['flags']['self_reference'] = (bool) ($atomstructure['data_references'][$i]['flags_raw'] & 0x001);
|
|
}
|
|
break;
|
|
|
|
|
|
case 'gmin': // base Media INformation atom
|
|
$atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
|
|
$atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000
|
|
$atomstructure['graphics_mode'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2));
|
|
$atomstructure['opcolor_red'] = getid3_lib::BigEndian2Int(substr($atomdata, 6, 2));
|
|
$atomstructure['opcolor_green'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 2));
|
|
$atomstructure['opcolor_blue'] = getid3_lib::BigEndian2Int(substr($atomdata, 10, 2));
|
|
$atomstructure['balance'] = getid3_lib::BigEndian2Int(substr($atomdata, 12, 2));
|
|
$atomstructure['reserved'] = getid3_lib::BigEndian2Int(substr($atomdata, 14, 2));
|
|
break;
|
|
|
|
|
|
case 'smhd': // Sound Media information HeaDer atom
|
|
$atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
|
|
$atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000
|
|
$atomstructure['balance'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2));
|
|
$atomstructure['reserved'] = getid3_lib::BigEndian2Int(substr($atomdata, 6, 2));
|
|
break;
|
|
|
|
|
|
case 'vmhd': // Video Media information HeaDer atom
|
|
$atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
|
|
$atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3));
|
|
$atomstructure['graphics_mode'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2));
|
|
$atomstructure['opcolor_red'] = getid3_lib::BigEndian2Int(substr($atomdata, 6, 2));
|
|
$atomstructure['opcolor_green'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 2));
|
|
$atomstructure['opcolor_blue'] = getid3_lib::BigEndian2Int(substr($atomdata, 10, 2));
|
|
|
|
$atomstructure['flags']['no_lean_ahead'] = (bool) ($atomstructure['flags_raw'] & 0x001);
|
|
break;
|
|
|
|
|
|
case 'hdlr': // HanDLeR reference atom
|
|
$atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
|
|
$atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000
|
|
$atomstructure['component_type'] = substr($atomdata, 4, 4);
|
|
$atomstructure['component_subtype'] = substr($atomdata, 8, 4);
|
|
$atomstructure['component_manufacturer'] = substr($atomdata, 12, 4);
|
|
$atomstructure['component_flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 16, 4));
|
|
$atomstructure['component_flags_mask'] = getid3_lib::BigEndian2Int(substr($atomdata, 20, 4));
|
|
$atomstructure['component_name'] = $this->Pascal2String(substr($atomdata, 24));
|
|
|
|
if (($atomstructure['component_subtype'] == 'STpn') && ($atomstructure['component_manufacturer'] == 'zzzz')) {
|
|
$ThisFileInfo['video']['dataformat'] = 'quicktimevr';
|
|
}
|
|
break;
|
|
|
|
|
|
case 'mdhd': // MeDia HeaDer atom
|
|
$atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
|
|
$atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000
|
|
$atomstructure['creation_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4));
|
|
$atomstructure['modify_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 4));
|
|
$atomstructure['time_scale'] = getid3_lib::BigEndian2Int(substr($atomdata, 12, 4));
|
|
$atomstructure['duration'] = getid3_lib::BigEndian2Int(substr($atomdata, 16, 4));
|
|
$atomstructure['language_id'] = getid3_lib::BigEndian2Int(substr($atomdata, 20, 2));
|
|
$atomstructure['quality'] = getid3_lib::BigEndian2Int(substr($atomdata, 22, 2));
|
|
|
|
if ($atomstructure['time_scale'] == 0) {
|
|
$ThisFileInfo['error'][] = 'Corrupt Quicktime file: mdhd.time_scale == zero';
|
|
return false;
|
|
}
|
|
$ThisFileInfo['quicktime']['time_scale'] = max(@$ThisFileInfo['quicktime']['time_scale'], $atomstructure['time_scale']);
|
|
|
|
$atomstructure['creation_time_unix'] = getid3_lib::DateMac2Unix($atomstructure['creation_time']);
|
|
$atomstructure['modify_time_unix'] = getid3_lib::DateMac2Unix($atomstructure['modify_time']);
|
|
$atomstructure['playtime_seconds'] = $atomstructure['duration'] / $atomstructure['time_scale'];
|
|
$atomstructure['language'] = $this->QuicktimeLanguageLookup($atomstructure['language_id']);
|
|
if (empty($ThisFileInfo['comments']['language']) || (!in_array($atomstructure['language'], $ThisFileInfo['comments']['language']))) {
|
|
$ThisFileInfo['comments']['language'][] = $atomstructure['language'];
|
|
}
|
|
break;
|
|
|
|
|
|
case 'pnot': // Preview atom
|
|
$atomstructure['modification_date'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 4)); // "standard Macintosh format"
|
|
$atomstructure['version_number'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2)); // hardcoded: 0x00
|
|
$atomstructure['atom_type'] = substr($atomdata, 6, 4); // usually: 'PICT'
|
|
$atomstructure['atom_index'] = getid3_lib::BigEndian2Int(substr($atomdata, 10, 2)); // usually: 0x01
|
|
|
|
$atomstructure['modification_date_unix'] = getid3_lib::DateMac2Unix($atomstructure['modification_date']);
|
|
break;
|
|
|
|
|
|
case 'crgn': // Clipping ReGioN atom
|
|
$atomstructure['region_size'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 2)); // The Region size, Region boundary box,
|
|
$atomstructure['boundary_box'] = getid3_lib::BigEndian2Int(substr($atomdata, 2, 8)); // and Clipping region data fields
|
|
$atomstructure['clipping_data'] = substr($atomdata, 10); // constitute a QuickDraw region.
|
|
break;
|
|
|
|
|
|
case 'load': // track LOAD settings atom
|
|
$atomstructure['preload_start_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 4));
|
|
$atomstructure['preload_duration'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4));
|
|
$atomstructure['preload_flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 4));
|
|
$atomstructure['default_hints_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 12, 4));
|
|
|
|
$atomstructure['default_hints']['double_buffer'] = (bool) ($atomstructure['default_hints_raw'] & 0x0020);
|
|
$atomstructure['default_hints']['high_quality'] = (bool) ($atomstructure['default_hints_raw'] & 0x0100);
|
|
break;
|
|
|
|
|
|
case 'tmcd': // TiMe CoDe atom
|
|
case 'chap': // CHAPter list atom
|
|
case 'sync': // SYNChronization atom
|
|
case 'scpt': // tranSCriPT atom
|
|
case 'ssrc': // non-primary SouRCe atom
|
|
for ($i = 0; $i < (strlen($atomdata) % 4); $i++) {
|
|
$atomstructure['track_id'][$i] = getid3_lib::BigEndian2Int(substr($atomdata, $i * 4, 4));
|
|
}
|
|
break;
|
|
|
|
|
|
case 'elst': // Edit LiST atom
|
|
$atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
|
|
$atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000
|
|
$atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4));
|
|
for ($i = 0; $i < $atomstructure['number_entries']; $i++ ) {
|
|
$atomstructure['edit_list'][$i]['track_duration'] = getid3_lib::BigEndian2Int(substr($atomdata, 8 + ($i * 12) + 0, 4));
|
|
$atomstructure['edit_list'][$i]['media_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 8 + ($i * 12) + 4, 4));
|
|
$atomstructure['edit_list'][$i]['media_rate'] = getid3_lib::FixedPoint16_16(substr($atomdata, 8 + ($i * 12) + 8, 4));
|
|
}
|
|
break;
|
|
|
|
|
|
case 'kmat': // compressed MATte atom
|
|
$atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
|
|
$atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000
|
|
$atomstructure['matte_data_raw'] = substr($atomdata, 4);
|
|
break;
|
|
|
|
|
|
case 'ctab': // Color TABle atom
|
|
$atomstructure['color_table_seed'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 4)); // hardcoded: 0x00000000
|
|
$atomstructure['color_table_flags'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2)); // hardcoded: 0x8000
|
|
$atomstructure['color_table_size'] = getid3_lib::BigEndian2Int(substr($atomdata, 6, 2)) + 1;
|
|
for ($colortableentry = 0; $colortableentry < $atomstructure['color_table_size']; $colortableentry++) {
|
|
$atomstructure['color_table'][$colortableentry]['alpha'] = getid3_lib::BigEndian2Int(substr($atomdata, 8 + ($colortableentry * 8) + 0, 2));
|
|
$atomstructure['color_table'][$colortableentry]['red'] = getid3_lib::BigEndian2Int(substr($atomdata, 8 + ($colortableentry * 8) + 2, 2));
|
|
$atomstructure['color_table'][$colortableentry]['green'] = getid3_lib::BigEndian2Int(substr($atomdata, 8 + ($colortableentry * 8) + 4, 2));
|
|
$atomstructure['color_table'][$colortableentry]['blue'] = getid3_lib::BigEndian2Int(substr($atomdata, 8 + ($colortableentry * 8) + 6, 2));
|
|
}
|
|
break;
|
|
|
|
|
|
case 'mvhd': // MoVie HeaDer atom
|
|
$atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
|
|
$atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3));
|
|
$atomstructure['creation_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4));
|
|
$atomstructure['modify_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 4));
|
|
$atomstructure['time_scale'] = getid3_lib::BigEndian2Int(substr($atomdata, 12, 4));
|
|
$atomstructure['duration'] = getid3_lib::BigEndian2Int(substr($atomdata, 16, 4));
|
|
$atomstructure['preferred_rate'] = getid3_lib::FixedPoint16_16(substr($atomdata, 20, 4));
|
|
$atomstructure['preferred_volume'] = getid3_lib::FixedPoint8_8(substr($atomdata, 24, 2));
|
|
$atomstructure['reserved'] = substr($atomdata, 26, 10);
|
|
$atomstructure['matrix_a'] = getid3_lib::FixedPoint16_16(substr($atomdata, 36, 4));
|
|
$atomstructure['matrix_b'] = getid3_lib::FixedPoint16_16(substr($atomdata, 40, 4));
|
|
$atomstructure['matrix_u'] = getid3_lib::FixedPoint2_30(substr($atomdata, 44, 4));
|
|
$atomstructure['matrix_c'] = getid3_lib::FixedPoint16_16(substr($atomdata, 48, 4));
|
|
$atomstructure['matrix_d'] = getid3_lib::FixedPoint16_16(substr($atomdata, 52, 4));
|
|
$atomstructure['matrix_v'] = getid3_lib::FixedPoint2_30(substr($atomdata, 56, 4));
|
|
$atomstructure['matrix_x'] = getid3_lib::FixedPoint16_16(substr($atomdata, 60, 4));
|
|
$atomstructure['matrix_y'] = getid3_lib::FixedPoint16_16(substr($atomdata, 64, 4));
|
|
$atomstructure['matrix_w'] = getid3_lib::FixedPoint2_30(substr($atomdata, 68, 4));
|
|
$atomstructure['preview_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 72, 4));
|
|
$atomstructure['preview_duration'] = getid3_lib::BigEndian2Int(substr($atomdata, 76, 4));
|
|
$atomstructure['poster_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 80, 4));
|
|
$atomstructure['selection_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 84, 4));
|
|
$atomstructure['selection_duration'] = getid3_lib::BigEndian2Int(substr($atomdata, 88, 4));
|
|
$atomstructure['current_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 92, 4));
|
|
$atomstructure['next_track_id'] = getid3_lib::BigEndian2Int(substr($atomdata, 96, 4));
|
|
|
|
if ($atomstructure['time_scale'] == 0) {
|
|
$ThisFileInfo['error'][] = 'Corrupt Quicktime file: mvhd.time_scale == zero';
|
|
return false;
|
|
}
|
|
$atomstructure['creation_time_unix'] = getid3_lib::DateMac2Unix($atomstructure['creation_time']);
|
|
$atomstructure['modify_time_unix'] = getid3_lib::DateMac2Unix($atomstructure['modify_time']);
|
|
$ThisFileInfo['quicktime']['time_scale'] = max(@$ThisFileInfo['quicktime']['time_scale'], $atomstructure['time_scale']);
|
|
$ThisFileInfo['quicktime']['display_scale'] = $atomstructure['matrix_a'];
|
|
$ThisFileInfo['playtime_seconds'] = $atomstructure['duration'] / $atomstructure['time_scale'];
|
|
break;
|
|
|
|
|
|
case 'tkhd': // TracK HeaDer atom
|
|
$atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1));
|
|
$atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3));
|
|
$atomstructure['creation_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4));
|
|
$atomstructure['modify_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 4));
|
|
$atomstructure['trackid'] = getid3_lib::BigEndian2Int(substr($atomdata, 12, 4));
|
|
$atomstructure['reserved1'] = getid3_lib::BigEndian2Int(substr($atomdata, 16, 4));
|
|
$atomstructure['duration'] = getid3_lib::BigEndian2Int(substr($atomdata, 20, 4));
|
|
$atomstructure['reserved2'] = getid3_lib::BigEndian2Int(substr($atomdata, 24, 8));
|
|
$atomstructure['layer'] = getid3_lib::BigEndian2Int(substr($atomdata, 32, 2));
|
|
$atomstructure['alternate_group'] = getid3_lib::BigEndian2Int(substr($atomdata, 34, 2));
|
|
$atomstructure['volume'] = getid3_lib::FixedPoint8_8(substr($atomdata, 36, 2));
|
|
$atomstructure['reserved3'] = getid3_lib::BigEndian2Int(substr($atomdata, 38, 2));
|
|
$atomstructure['matrix_a'] = getid3_lib::FixedPoint16_16(substr($atomdata, 40, 4));
|
|
$atomstructure['matrix_b'] = getid3_lib::FixedPoint16_16(substr($atomdata, 44, 4));
|
|
$atomstructure['matrix_u'] = getid3_lib::FixedPoint16_16(substr($atomdata, 48, 4));
|
|
$atomstructure['matrix_c'] = getid3_lib::FixedPoint16_16(substr($atomdata, 52, 4));
|
|
$atomstructure['matrix_d'] = getid3_lib::FixedPoint16_16(substr($atomdata, 56, 4));
|
|
$atomstructure['matrix_v'] = getid3_lib::FixedPoint16_16(substr($atomdata, 60, 4));
|
|
$atomstructure['matrix_x'] = getid3_lib::FixedPoint2_30(substr($atomdata, 64, 4));
|
|
$atomstructure['matrix_y'] = getid3_lib::FixedPoint2_30(substr($atomdata, 68, 4));
|
|
$atomstructure['matrix_w'] = getid3_lib::FixedPoint2_30(substr($atomdata, 72, 4));
|
|
$atomstructure['width'] = getid3_lib::FixedPoint16_16(substr($atomdata, 76, 4));
|
|
$atomstructure['height'] = getid3_lib::FixedPoint16_16(substr($atomdata, 80, 4));
|
|
|
|
$atomstructure['flags']['enabled'] = (bool) ($atomstructure['flags_raw'] & 0x0001);
|
|
$atomstructure['flags']['in_movie'] = (bool) ($atomstructure['flags_raw'] & 0x0002);
|
|
$atomstructure['flags']['in_preview'] = (bool) ($atomstructure['flags_raw'] & 0x0004);
|
|
$atomstructure['flags']['in_poster'] = (bool) ($atomstructure['flags_raw'] & 0x0008);
|
|
$atomstructure['creation_time_unix'] = getid3_lib::DateMac2Unix($atomstructure['creation_time']);
|
|
$atomstructure['modify_time_unix'] = getid3_lib::DateMac2Unix($atomstructure['modify_time']);
|
|
|
|
if (!isset($ThisFileInfo['video']['resolution_x']) || !isset($ThisFileInfo['video']['resolution_y'])) {
|
|
$ThisFileInfo['video']['resolution_x'] = $atomstructure['width'];
|
|
$ThisFileInfo['video']['resolution_y'] = $atomstructure['height'];
|
|
}
|
|
if ($atomstructure['flags']['enabled'] == 1) {
|
|
$ThisFileInfo['video']['resolution_x'] = max($ThisFileInfo['video']['resolution_x'], $atomstructure['width']);
|
|
$ThisFileInfo['video']['resolution_y'] = max($ThisFileInfo['video']['resolution_y'], $atomstructure['height']);
|
|
}
|
|
if (!empty($ThisFileInfo['video']['resolution_x']) && !empty($ThisFileInfo['video']['resolution_y'])) {
|
|
$ThisFileInfo['quicktime']['video']['resolution_x'] = $ThisFileInfo['video']['resolution_x'];
|
|
$ThisFileInfo['quicktime']['video']['resolution_y'] = $ThisFileInfo['video']['resolution_y'];
|
|
} else {
|
|
unset($ThisFileInfo['video']['resolution_x']);
|
|
unset($ThisFileInfo['video']['resolution_y']);
|
|
unset($ThisFileInfo['quicktime']['video']);
|
|
}
|
|
break;
|
|
|
|
|
|
case 'meta': // METAdata atom
|
|
// http://www.geocities.com/xhelmboyx/quicktime/formats/qti-layout.txt
|
|
$NextTagPosition = strpos($atomdata, '©');
|
|
while ($NextTagPosition < strlen($atomdata)) {
|
|
$metaItemSize = getid3_lib::BigEndian2Int(substr($atomdata, $NextTagPosition - 4, 4)) - 4;
|
|
if ($metaItemSize == -4) {
|
|
break;
|
|
}
|
|
$metaItemRaw = substr($atomdata, $NextTagPosition, $metaItemSize);
|
|
$metaItemKey = substr($metaItemRaw, 0, 4);
|
|
$metaItemData = substr($metaItemRaw, 20);
|
|
$NextTagPosition += $metaItemSize + 4;
|
|
|
|
$this->CopyToAppropriateCommentsSection($metaItemKey, $metaItemData, $ThisFileInfo);
|
|
}
|
|
break;
|
|
|
|
case 'ftyp': // FileTYPe (?) atom (for MP4 it seems)
|
|
$atomstructure['signature'] = substr($atomdata, 0, 4);
|
|
$atomstructure['unknown_1'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4));
|
|
$atomstructure['fourcc'] = substr($atomdata, 8, 4);
|
|
break;
|
|
|
|
case 'mdat': // Media DATa atom
|
|
case 'free': // FREE space atom
|
|
case 'skip': // SKIP atom
|
|
case 'wide': // 64-bit expansion placeholder atom
|
|
// 'mdat' data is too big to deal with, contains no useful metadata
|
|
// 'free', 'skip' and 'wide' are just padding, contains no useful data at all
|
|
|
|
// When writing QuickTime files, it is sometimes necessary to update an atom's size.
|
|
// It is impossible to update a 32-bit atom to a 64-bit atom since the 32-bit atom
|
|
// is only 8 bytes in size, and the 64-bit atom requires 16 bytes. Therefore, QuickTime
|
|
// puts an 8-byte placeholder atom before any atoms it may have to update the size of.
|
|
// In this way, if the atom needs to be converted from a 32-bit to a 64-bit atom, the
|
|
// placeholder atom can be overwritten to obtain the necessary 8 extra bytes.
|
|
// The placeholder atom has a type of kWideAtomPlaceholderType ( 'wide' ).
|
|
break;
|
|
|
|
|
|
case 'nsav': // NoSAVe atom
|
|
// http://developer.apple.com/technotes/tn/tn2038.html
|
|
$atomstructure['data'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 4));
|
|
break;
|
|
|
|
case 'ctyp': // Controller TYPe atom (seen on QTVR)
|
|
// http://homepages.slingshot.co.nz/~helmboy/quicktime/formats/qtm-layout.txt
|
|
// some controller names are:
|
|
// 0x00 + 'std' for linear movie
|
|
// 'none' for no controls
|
|
$atomstructure['ctyp'] = substr($atomdata, 0, 4);
|
|
switch ($atomstructure['ctyp']) {
|
|
case 'qtvr':
|
|
$ThisFileInfo['video']['dataformat'] = 'quicktimevr';
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case 'pano': // PANOrama track (seen on QTVR)
|
|
$atomstructure['pano'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 4));
|
|
break;
|
|
|
|
case 'hint': // HINT track
|
|
case 'hinf': //
|
|
case 'hinv': //
|
|
case 'hnti': //
|
|
$ThisFileInfo['quicktime']['hinting'] = true;
|
|
break;
|
|
|
|
case 'imgt': // IMaGe Track reference (kQTVRImageTrackRefType) (seen on QTVR)
|
|
for ($i = 0; $i < ($atomstructure['size'] - 8); $i += 4) {
|
|
$atomstructure['imgt'][] = getid3_lib::BigEndian2Int(substr($atomdata, $i, 4));
|
|
}
|
|
break;
|
|
|
|
case 'FXTC': // Something to do with Adobe After Effects (?)
|
|
case 'PrmA':
|
|
case 'code':
|
|
case 'FIEL': // this is NOT "fiel" (Field Ordering) as describe here: http://developer.apple.com/documentation/QuickTime/QTFF/QTFFChap3/chapter_4_section_2.html
|
|
// Observed-but-not-handled atom types are just listed here
|
|
// to prevent warnings being generated
|
|
$atomstructure['data'] = $atomdata;
|
|
break;
|
|
|
|
default:
|
|
$ThisFileInfo['warning'][] = 'Unknown QuickTime atom type: "'.$atomname.'" at offset '.$baseoffset;
|
|
$atomstructure['data'] = $atomdata;
|
|
break;
|
|
}
|
|
array_pop($atomHierarchy);
|
|
return $atomstructure;
|
|
}
|
|
|
|
function QuicktimeParseContainerAtom($atomdata, &$ThisFileInfo, $baseoffset, &$atomHierarchy, $ParseAllPossibleAtoms) {
|
|
$atomstructure = false;
|
|
$subatomoffset = 0;
|
|
$subatomcounter = 0;
|
|
if ((strlen($atomdata) == 4) && (getid3_lib::BigEndian2Int($atomdata) == 0x00000000)) {
|
|
return false;
|
|
}
|
|
while ($subatomoffset < strlen($atomdata)) {
|
|
$subatomsize = getid3_lib::BigEndian2Int(substr($atomdata, $subatomoffset + 0, 4));
|
|
$subatomname = substr($atomdata, $subatomoffset + 4, 4);
|
|
$subatomdata = substr($atomdata, $subatomoffset + 8, $subatomsize - 8);
|
|
if ($subatomsize == 0) {
|
|
// Furthermore, for historical reasons the list of atoms is optionally
|
|
// terminated by a 32-bit integer set to 0. If you are writing a program
|
|
// to read user data atoms, you should allow for the terminating 0.
|
|
return $atomstructure;
|
|
}
|
|
|
|
$atomstructure[$subatomcounter] = $this->QuicktimeParseAtom($subatomname, $subatomsize, $subatomdata, $ThisFileInfo, $baseoffset + $subatomoffset, $atomHierarchy, $ParseAllPossibleAtoms);
|
|
|
|
$subatomoffset += $subatomsize;
|
|
$subatomcounter++;
|
|
}
|
|
return $atomstructure;
|
|
}
|
|
|
|
|
|
function QuicktimeLanguageLookup($languageid) {
|
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static $QuicktimeLanguageLookup = array();
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if (empty($QuicktimeLanguageLookup)) {
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$QuicktimeLanguageLookup[0] = 'English';
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$QuicktimeLanguageLookup[1] = 'French';
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$QuicktimeLanguageLookup[2] = 'German';
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$QuicktimeLanguageLookup[3] = 'Italian';
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$QuicktimeLanguageLookup[4] = 'Dutch';
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$QuicktimeLanguageLookup[5] = 'Swedish';
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$QuicktimeLanguageLookup[6] = 'Spanish';
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$QuicktimeLanguageLookup[7] = 'Danish';
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$QuicktimeLanguageLookup[8] = 'Portuguese';
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$QuicktimeLanguageLookup[9] = 'Norwegian';
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$QuicktimeLanguageLookup[10] = 'Hebrew';
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$QuicktimeLanguageLookup[11] = 'Japanese';
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$QuicktimeLanguageLookup[12] = 'Arabic';
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$QuicktimeLanguageLookup[13] = 'Finnish';
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$QuicktimeLanguageLookup[14] = 'Greek';
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$QuicktimeLanguageLookup[15] = 'Icelandic';
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$QuicktimeLanguageLookup[16] = 'Maltese';
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$QuicktimeLanguageLookup[17] = 'Turkish';
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$QuicktimeLanguageLookup[18] = 'Croatian';
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$QuicktimeLanguageLookup[19] = 'Chinese (Traditional)';
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$QuicktimeLanguageLookup[20] = 'Urdu';
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$QuicktimeLanguageLookup[21] = 'Hindi';
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$QuicktimeLanguageLookup[22] = 'Thai';
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$QuicktimeLanguageLookup[23] = 'Korean';
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$QuicktimeLanguageLookup[24] = 'Lithuanian';
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$QuicktimeLanguageLookup[25] = 'Polish';
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$QuicktimeLanguageLookup[26] = 'Hungarian';
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$QuicktimeLanguageLookup[27] = 'Estonian';
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$QuicktimeLanguageLookup[28] = 'Lettish';
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$QuicktimeLanguageLookup[28] = 'Latvian';
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$QuicktimeLanguageLookup[29] = 'Saamisk';
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$QuicktimeLanguageLookup[29] = 'Lappish';
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$QuicktimeLanguageLookup[30] = 'Faeroese';
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$QuicktimeLanguageLookup[31] = 'Farsi';
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$QuicktimeLanguageLookup[31] = 'Persian';
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$QuicktimeLanguageLookup[32] = 'Russian';
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$QuicktimeLanguageLookup[33] = 'Chinese (Simplified)';
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$QuicktimeLanguageLookup[34] = 'Flemish';
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$QuicktimeLanguageLookup[35] = 'Irish';
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$QuicktimeLanguageLookup[36] = 'Albanian';
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$QuicktimeLanguageLookup[37] = 'Romanian';
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$QuicktimeLanguageLookup[38] = 'Czech';
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$QuicktimeLanguageLookup[39] = 'Slovak';
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$QuicktimeLanguageLookup[40] = 'Slovenian';
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$QuicktimeLanguageLookup[41] = 'Yiddish';
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$QuicktimeLanguageLookup[42] = 'Serbian';
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$QuicktimeLanguageLookup[43] = 'Macedonian';
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$QuicktimeLanguageLookup[44] = 'Bulgarian';
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$QuicktimeLanguageLookup[45] = 'Ukrainian';
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$QuicktimeLanguageLookup[46] = 'Byelorussian';
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$QuicktimeLanguageLookup[47] = 'Uzbek';
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$QuicktimeLanguageLookup[48] = 'Kazakh';
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$QuicktimeLanguageLookup[49] = 'Azerbaijani';
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$QuicktimeLanguageLookup[50] = 'AzerbaijanAr';
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$QuicktimeLanguageLookup[51] = 'Armenian';
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$QuicktimeLanguageLookup[52] = 'Georgian';
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$QuicktimeLanguageLookup[53] = 'Moldavian';
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$QuicktimeLanguageLookup[54] = 'Kirghiz';
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$QuicktimeLanguageLookup[55] = 'Tajiki';
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$QuicktimeLanguageLookup[56] = 'Turkmen';
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$QuicktimeLanguageLookup[57] = 'Mongolian';
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$QuicktimeLanguageLookup[58] = 'MongolianCyr';
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$QuicktimeLanguageLookup[59] = 'Pashto';
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$QuicktimeLanguageLookup[60] = 'Kurdish';
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$QuicktimeLanguageLookup[61] = 'Kashmiri';
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$QuicktimeLanguageLookup[62] = 'Sindhi';
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$QuicktimeLanguageLookup[63] = 'Tibetan';
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$QuicktimeLanguageLookup[64] = 'Nepali';
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$QuicktimeLanguageLookup[65] = 'Sanskrit';
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$QuicktimeLanguageLookup[66] = 'Marathi';
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$QuicktimeLanguageLookup[67] = 'Bengali';
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$QuicktimeLanguageLookup[68] = 'Assamese';
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$QuicktimeLanguageLookup[69] = 'Gujarati';
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$QuicktimeLanguageLookup[70] = 'Punjabi';
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$QuicktimeLanguageLookup[71] = 'Oriya';
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$QuicktimeLanguageLookup[72] = 'Malayalam';
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$QuicktimeLanguageLookup[73] = 'Kannada';
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$QuicktimeLanguageLookup[74] = 'Tamil';
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$QuicktimeLanguageLookup[75] = 'Telugu';
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$QuicktimeLanguageLookup[76] = 'Sinhalese';
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$QuicktimeLanguageLookup[77] = 'Burmese';
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$QuicktimeLanguageLookup[78] = 'Khmer';
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$QuicktimeLanguageLookup[79] = 'Lao';
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$QuicktimeLanguageLookup[80] = 'Vietnamese';
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$QuicktimeLanguageLookup[81] = 'Indonesian';
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$QuicktimeLanguageLookup[82] = 'Tagalog';
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$QuicktimeLanguageLookup[83] = 'MalayRoman';
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$QuicktimeLanguageLookup[84] = 'MalayArabic';
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$QuicktimeLanguageLookup[85] = 'Amharic';
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$QuicktimeLanguageLookup[86] = 'Tigrinya';
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$QuicktimeLanguageLookup[87] = 'Galla';
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$QuicktimeLanguageLookup[87] = 'Oromo';
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$QuicktimeLanguageLookup[88] = 'Somali';
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$QuicktimeLanguageLookup[89] = 'Swahili';
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$QuicktimeLanguageLookup[90] = 'Ruanda';
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$QuicktimeLanguageLookup[91] = 'Rundi';
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$QuicktimeLanguageLookup[92] = 'Chewa';
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$QuicktimeLanguageLookup[93] = 'Malagasy';
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$QuicktimeLanguageLookup[94] = 'Esperanto';
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$QuicktimeLanguageLookup[128] = 'Welsh';
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$QuicktimeLanguageLookup[129] = 'Basque';
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$QuicktimeLanguageLookup[130] = 'Catalan';
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$QuicktimeLanguageLookup[131] = 'Latin';
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$QuicktimeLanguageLookup[132] = 'Quechua';
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$QuicktimeLanguageLookup[133] = 'Guarani';
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$QuicktimeLanguageLookup[134] = 'Aymara';
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$QuicktimeLanguageLookup[135] = 'Tatar';
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$QuicktimeLanguageLookup[136] = 'Uighur';
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$QuicktimeLanguageLookup[137] = 'Dzongkha';
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$QuicktimeLanguageLookup[138] = 'JavaneseRom';
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}
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return (isset($QuicktimeLanguageLookup[$languageid]) ? $QuicktimeLanguageLookup[$languageid] : 'invalid');
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}
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function QuicktimeVideoCodecLookup($codecid) {
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static $QuicktimeVideoCodecLookup = array();
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if (empty($QuicktimeVideoCodecLookup)) {
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$QuicktimeVideoCodecLookup['3IVX'] = '3ivx MPEG-4';
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$QuicktimeVideoCodecLookup['3IV1'] = '3ivx MPEG-4 v1';
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$QuicktimeVideoCodecLookup['3IV2'] = '3ivx MPEG-4 v2';
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$QuicktimeVideoCodecLookup['avr '] = 'AVR-JPEG';
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$QuicktimeVideoCodecLookup['base'] = 'Base';
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$QuicktimeVideoCodecLookup['WRLE'] = 'BMP';
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$QuicktimeVideoCodecLookup['cvid'] = 'Cinepak';
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$QuicktimeVideoCodecLookup['clou'] = 'Cloud';
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$QuicktimeVideoCodecLookup['cmyk'] = 'CMYK';
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$QuicktimeVideoCodecLookup['yuv2'] = 'ComponentVideo';
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$QuicktimeVideoCodecLookup['yuvu'] = 'ComponentVideoSigned';
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$QuicktimeVideoCodecLookup['yuvs'] = 'ComponentVideoUnsigned';
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$QuicktimeVideoCodecLookup['dvc '] = 'DVC-NTSC';
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$QuicktimeVideoCodecLookup['dvcp'] = 'DVC-PAL';
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$QuicktimeVideoCodecLookup['dvpn'] = 'DVCPro-NTSC';
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$QuicktimeVideoCodecLookup['dvpp'] = 'DVCPro-PAL';
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$QuicktimeVideoCodecLookup['fire'] = 'Fire';
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$QuicktimeVideoCodecLookup['flic'] = 'FLC';
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$QuicktimeVideoCodecLookup['b48r'] = '48RGB';
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$QuicktimeVideoCodecLookup['gif '] = 'GIF';
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$QuicktimeVideoCodecLookup['smc '] = 'Graphics';
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$QuicktimeVideoCodecLookup['h261'] = 'H261';
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$QuicktimeVideoCodecLookup['h263'] = 'H263';
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$QuicktimeVideoCodecLookup['IV41'] = 'Indeo4';
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$QuicktimeVideoCodecLookup['jpeg'] = 'JPEG';
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$QuicktimeVideoCodecLookup['PNTG'] = 'MacPaint';
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$QuicktimeVideoCodecLookup['msvc'] = 'Microsoft Video1';
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$QuicktimeVideoCodecLookup['mjpa'] = 'Motion JPEG-A';
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$QuicktimeVideoCodecLookup['mjpb'] = 'Motion JPEG-B';
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$QuicktimeVideoCodecLookup['myuv'] = 'MPEG YUV420';
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$QuicktimeVideoCodecLookup['dmb1'] = 'OpenDML JPEG';
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$QuicktimeVideoCodecLookup['kpcd'] = 'PhotoCD';
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$QuicktimeVideoCodecLookup['8BPS'] = 'Planar RGB';
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$QuicktimeVideoCodecLookup['png '] = 'PNG';
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$QuicktimeVideoCodecLookup['qdrw'] = 'QuickDraw';
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$QuicktimeVideoCodecLookup['qdgx'] = 'QuickDrawGX';
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$QuicktimeVideoCodecLookup['raw '] = 'RAW';
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$QuicktimeVideoCodecLookup['.SGI'] = 'SGI';
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$QuicktimeVideoCodecLookup['b16g'] = '16Gray';
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$QuicktimeVideoCodecLookup['b64a'] = '64ARGB';
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$QuicktimeVideoCodecLookup['SVQ1'] = 'Sorenson Video 1';
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$QuicktimeVideoCodecLookup['SVQ1'] = 'Sorenson Video 3';
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$QuicktimeVideoCodecLookup['syv9'] = 'Sorenson YUV9';
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$QuicktimeVideoCodecLookup['tga '] = 'Targa';
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$QuicktimeVideoCodecLookup['b32a'] = '32AlphaGray';
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$QuicktimeVideoCodecLookup['tiff'] = 'TIFF';
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$QuicktimeVideoCodecLookup['path'] = 'Vector';
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$QuicktimeVideoCodecLookup['rpza'] = 'Video';
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$QuicktimeVideoCodecLookup['ripl'] = 'WaterRipple';
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$QuicktimeVideoCodecLookup['WRAW'] = 'Windows RAW';
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$QuicktimeVideoCodecLookup['y420'] = 'YUV420';
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}
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return (isset($QuicktimeVideoCodecLookup[$codecid]) ? $QuicktimeVideoCodecLookup[$codecid] : '');
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}
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function QuicktimeAudioCodecLookup($codecid) {
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static $QuicktimeAudioCodecLookup = array();
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if (empty($QuicktimeAudioCodecLookup)) {
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$QuicktimeAudioCodecLookup['.mp3'] = 'Fraunhofer MPEG Layer-III alias';
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$QuicktimeAudioCodecLookup['aac '] = 'ISO/IEC 14496-3 AAC';
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$QuicktimeAudioCodecLookup['agsm'] = 'Apple GSM 10:1';
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$QuicktimeAudioCodecLookup['alac'] = 'Apple Lossless Audio Codec';
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$QuicktimeAudioCodecLookup['alaw'] = 'A-law 2:1';
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$QuicktimeAudioCodecLookup['conv'] = 'Sample Format';
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$QuicktimeAudioCodecLookup['dvca'] = 'DV';
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$QuicktimeAudioCodecLookup['dvi '] = 'DV 4:1';
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$QuicktimeAudioCodecLookup['eqal'] = 'Frequency Equalizer';
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$QuicktimeAudioCodecLookup['fl32'] = '32-bit Floating Point';
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$QuicktimeAudioCodecLookup['fl64'] = '64-bit Floating Point';
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$QuicktimeAudioCodecLookup['ima4'] = 'Interactive Multimedia Association 4:1';
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$QuicktimeAudioCodecLookup['in24'] = '24-bit Integer';
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$QuicktimeAudioCodecLookup['in32'] = '32-bit Integer';
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$QuicktimeAudioCodecLookup['lpc '] = 'LPC 23:1';
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$QuicktimeAudioCodecLookup['MAC3'] = 'Macintosh Audio Compression/Expansion (MACE) 3:1';
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$QuicktimeAudioCodecLookup['MAC6'] = 'Macintosh Audio Compression/Expansion (MACE) 6:1';
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$QuicktimeAudioCodecLookup['mixb'] = '8-bit Mixer';
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$QuicktimeAudioCodecLookup['mixw'] = '16-bit Mixer';
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$QuicktimeAudioCodecLookup['mp4a'] = 'ISO/IEC 14496-3 AAC';
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$QuicktimeAudioCodecLookup['MS'."\x00\x02"] = 'Microsoft ADPCM';
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$QuicktimeAudioCodecLookup['MS'."\x00\x11"] = 'DV IMA';
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$QuicktimeAudioCodecLookup['MS'."\x00\x55"] = 'Fraunhofer MPEG Layer III';
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$QuicktimeAudioCodecLookup['NONE'] = 'No Encoding';
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$QuicktimeAudioCodecLookup['Qclp'] = 'Qualcomm PureVoice';
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$QuicktimeAudioCodecLookup['QDM2'] = 'QDesign Music 2';
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$QuicktimeAudioCodecLookup['QDMC'] = 'QDesign Music 1';
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$QuicktimeAudioCodecLookup['ratb'] = '8-bit Rate';
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$QuicktimeAudioCodecLookup['ratw'] = '16-bit Rate';
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$QuicktimeAudioCodecLookup['raw '] = 'raw PCM';
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$QuicktimeAudioCodecLookup['sour'] = 'Sound Source';
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$QuicktimeAudioCodecLookup['sowt'] = 'signed/two\'s complement (Little Endian)';
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$QuicktimeAudioCodecLookup['str1'] = 'Iomega MPEG layer II';
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$QuicktimeAudioCodecLookup['str2'] = 'Iomega MPEG *layer II';
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$QuicktimeAudioCodecLookup['str3'] = 'Iomega MPEG **layer II';
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$QuicktimeAudioCodecLookup['str4'] = 'Iomega MPEG ***layer II';
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$QuicktimeAudioCodecLookup['twos'] = 'signed/two\'s complement (Big Endian)';
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|
$QuicktimeAudioCodecLookup['ulaw'] = 'mu-law 2:1';
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|
}
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return (isset($QuicktimeAudioCodecLookup[$codecid]) ? $QuicktimeAudioCodecLookup[$codecid] : '');
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}
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function QuicktimeDCOMLookup($compressionid) {
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static $QuicktimeDCOMLookup = array();
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if (empty($QuicktimeDCOMLookup)) {
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$QuicktimeDCOMLookup['zlib'] = 'ZLib Deflate';
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$QuicktimeDCOMLookup['adec'] = 'Apple Compression';
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}
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return (isset($QuicktimeDCOMLookup[$compressionid]) ? $QuicktimeDCOMLookup[$compressionid] : '');
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}
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function QuicktimeColorNameLookup($colordepthid) {
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static $QuicktimeColorNameLookup = array();
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if (empty($QuicktimeColorNameLookup)) {
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$QuicktimeColorNameLookup[1] = '2-color (monochrome)';
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$QuicktimeColorNameLookup[2] = '4-color';
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$QuicktimeColorNameLookup[4] = '16-color';
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$QuicktimeColorNameLookup[8] = '256-color';
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$QuicktimeColorNameLookup[16] = 'thousands (16-bit color)';
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$QuicktimeColorNameLookup[24] = 'millions (24-bit color)';
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$QuicktimeColorNameLookup[32] = 'millions+ (32-bit color)';
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$QuicktimeColorNameLookup[33] = 'black & white';
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$QuicktimeColorNameLookup[34] = '4-gray';
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$QuicktimeColorNameLookup[36] = '16-gray';
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$QuicktimeColorNameLookup[40] = '256-gray';
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}
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return (isset($QuicktimeColorNameLookup[$colordepthid]) ? $QuicktimeColorNameLookup[$colordepthid] : 'invalid');
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}
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function CopyToAppropriateCommentsSection($keyname, $data, &$ThisFileInfo) {
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static $handyatomtranslatorarray = array();
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if (empty($handyatomtranslatorarray)) {
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$handyatomtranslatorarray['©cpy'] = 'copyright';
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|
$handyatomtranslatorarray['©day'] = 'creation_date';
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|
$handyatomtranslatorarray['©dir'] = 'director';
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|
$handyatomtranslatorarray['©ed1'] = 'edit1';
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|
$handyatomtranslatorarray['©ed2'] = 'edit2';
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|
$handyatomtranslatorarray['©ed3'] = 'edit3';
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|
$handyatomtranslatorarray['©ed4'] = 'edit4';
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|
$handyatomtranslatorarray['©ed5'] = 'edit5';
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|
$handyatomtranslatorarray['©ed6'] = 'edit6';
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|
$handyatomtranslatorarray['©ed7'] = 'edit7';
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|
$handyatomtranslatorarray['©ed8'] = 'edit8';
|
|
$handyatomtranslatorarray['©ed9'] = 'edit9';
|
|
$handyatomtranslatorarray['©fmt'] = 'format';
|
|
$handyatomtranslatorarray['©inf'] = 'information';
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|
$handyatomtranslatorarray['©prd'] = 'producer';
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|
$handyatomtranslatorarray['©prf'] = 'performers';
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|
$handyatomtranslatorarray['©req'] = 'system_requirements';
|
|
$handyatomtranslatorarray['©src'] = 'source_credit';
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|
$handyatomtranslatorarray['©wrt'] = 'writer';
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|
|
// http://www.geocities.com/xhelmboyx/quicktime/formats/qtm-layout.txt
|
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$handyatomtranslatorarray['©nam'] = 'title';
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|
$handyatomtranslatorarray['©cmt'] = 'comment';
|
|
$handyatomtranslatorarray['©wrn'] = 'warning';
|
|
$handyatomtranslatorarray['©hst'] = 'host_computer';
|
|
$handyatomtranslatorarray['©mak'] = 'make';
|
|
$handyatomtranslatorarray['©mod'] = 'model';
|
|
$handyatomtranslatorarray['©PRD'] = 'product';
|
|
$handyatomtranslatorarray['©swr'] = 'software';
|
|
$handyatomtranslatorarray['©aut'] = 'author';
|
|
$handyatomtranslatorarray['©ART'] = 'artist';
|
|
$handyatomtranslatorarray['©trk'] = 'track';
|
|
$handyatomtranslatorarray['©alb'] = 'album';
|
|
$handyatomtranslatorarray['©com'] = 'comment';
|
|
$handyatomtranslatorarray['©gen'] = 'genre';
|
|
$handyatomtranslatorarray['©ope'] = 'composer';
|
|
$handyatomtranslatorarray['©url'] = 'url';
|
|
$handyatomtranslatorarray['©enc'] = 'encoder';
|
|
}
|
|
if (isset($handyatomtranslatorarray[$keyname])) {
|
|
$ThisFileInfo['quicktime']['comments'][$handyatomtranslatorarray[$keyname]][] = $data;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
function NoNullString($nullterminatedstring) {
|
|
// remove the single null terminator on null terminated strings
|
|
if (substr($nullterminatedstring, strlen($nullterminatedstring) - 1, 1) === "\x00") {
|
|
return substr($nullterminatedstring, 0, strlen($nullterminatedstring) - 1);
|
|
}
|
|
return $nullterminatedstring;
|
|
}
|
|
|
|
function Pascal2String($pascalstring) {
|
|
// Pascal strings have 1 unsigned byte at the beginning saying how many chars (1-255) are in the string
|
|
return substr($pascalstring, 1);
|
|
}
|
|
|
|
}
|
|
|
|
?>
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