2246 lines
116 KiB
PHP
2246 lines
116 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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// also https://github.com/JamesHeinrich/getID3 //
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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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// dependencies: module.tag.id3v2.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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getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.id3v2.php', __FILE__, true); // needed for ISO 639-2 language code lookup
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class getid3_quicktime extends getid3_handler
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{
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public $ReturnAtomData = true;
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public $ParseAllPossibleAtoms = false;
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public function Analyze() {
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$info = &$this->getid3->info;
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$info['fileformat'] = 'quicktime';
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$info['quicktime']['hinting'] = false;
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$info['quicktime']['controller'] = 'standard'; // may be overridden if 'ctyp' atom is present
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$this->fseek($info['avdataoffset']);
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$offset = 0;
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$atomcounter = 0;
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while ($offset < $info['avdataend']) {
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if (!getid3_lib::intValueSupported($offset)) {
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$info['error'][] = 'Unable to parse atom at offset '.$offset.' because beyond '.round(PHP_INT_MAX / 1073741824).'GB limit of PHP filesystem functions';
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break;
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}
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$this->fseek($offset);
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$AtomHeader = $this->fread(8);
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$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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$atomsize = getid3_lib::BigEndian2Int($this->fread(8));
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}
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$info['quicktime'][$atomname]['name'] = $atomname;
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$info['quicktime'][$atomname]['size'] = $atomsize;
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$info['quicktime'][$atomname]['offset'] = $offset;
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if (($offset + $atomsize) > $info['avdataend']) {
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$info['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 ($atomsize == 0) {
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// Furthermore, for historical reasons the list of atoms is optionally
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// terminated by a 32-bit integer set to 0. If you are writing a program
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// to read user data atoms, you should allow for the terminating 0.
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break;
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}
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$atomHierarchy = array();
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$info['quicktime'][$atomname] = $this->QuicktimeParseAtom($atomname, $atomsize, $this->fread(min($atomsize, round($this->getid3->memory_limit / 2))), $offset, $atomHierarchy, $this->ParseAllPossibleAtoms);
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$offset += $atomsize;
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$atomcounter++;
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}
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if (!empty($info['avdataend_tmp'])) {
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// this value is assigned to a temp value and then erased because
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// otherwise any atoms beyond the 'mdat' atom would not get parsed
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$info['avdataend'] = $info['avdataend_tmp'];
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unset($info['avdataend_tmp']);
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}
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if (!isset($info['bitrate']) && isset($info['playtime_seconds'])) {
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$info['bitrate'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / $info['playtime_seconds'];
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}
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if (isset($info['bitrate']) && !isset($info['audio']['bitrate']) && !isset($info['quicktime']['video'])) {
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$info['audio']['bitrate'] = $info['bitrate'];
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}
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if (!empty($info['playtime_seconds']) && !isset($info['video']['frame_rate']) && !empty($info['quicktime']['stts_framecount'])) {
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foreach ($info['quicktime']['stts_framecount'] as $key => $samples_count) {
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$samples_per_second = $samples_count / $info['playtime_seconds'];
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if ($samples_per_second > 240) {
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// has to be audio samples
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} else {
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$info['video']['frame_rate'] = $samples_per_second;
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break;
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}
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}
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}
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if (($info['audio']['dataformat'] == 'mp4') && empty($info['video']['resolution_x'])) {
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$info['fileformat'] = 'mp4';
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$info['mime_type'] = 'audio/mp4';
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unset($info['video']['dataformat']);
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}
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if (!$this->ReturnAtomData) {
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unset($info['quicktime']['moov']);
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}
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if (empty($info['audio']['dataformat']) && !empty($info['quicktime']['audio'])) {
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$info['audio']['dataformat'] = 'quicktime';
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}
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if (empty($info['video']['dataformat']) && !empty($info['quicktime']['video'])) {
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$info['video']['dataformat'] = 'quicktime';
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}
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return true;
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}
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public function QuicktimeParseAtom($atomname, $atomsize, $atom_data, $baseoffset, &$atomHierarchy, $ParseAllPossibleAtoms) {
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// http://developer.apple.com/techpubs/quicktime/qtdevdocs/APIREF/INDEX/atomalphaindex.htm
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$info = &$this->getid3->info;
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$atom_parent = end($atomHierarchy); // not array_pop($atomHierarchy); see http://www.getid3.org/phpBB3/viewtopic.php?t=1717
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array_push($atomHierarchy, $atomname);
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$atom_structure['hierarchy'] = implode(' ', $atomHierarchy);
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$atom_structure['name'] = $atomname;
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$atom_structure['size'] = $atomsize;
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$atom_structure['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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$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);
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break;
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case 'ilst': // Item LiST container atom
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if ($atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms)) {
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// some "ilst" atoms contain data atoms that have a numeric name, and the data is far more accessible if the returned array is compacted
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$allnumericnames = true;
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foreach ($atom_structure['subatoms'] as $subatomarray) {
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if (!is_integer($subatomarray['name']) || (count($subatomarray['subatoms']) != 1)) {
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$allnumericnames = false;
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break;
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}
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}
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if ($allnumericnames) {
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$newData = array();
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foreach ($atom_structure['subatoms'] as $subatomarray) {
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foreach ($subatomarray['subatoms'] as $newData_subatomarray) {
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unset($newData_subatomarray['hierarchy'], $newData_subatomarray['name']);
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$newData[$subatomarray['name']] = $newData_subatomarray;
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break;
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}
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}
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$atom_structure['data'] = $newData;
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unset($atom_structure['subatoms']);
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}
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}
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break;
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case "\x00\x00\x00\x01":
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case "\x00\x00\x00\x02":
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case "\x00\x00\x00\x03":
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case "\x00\x00\x00\x04":
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case "\x00\x00\x00\x05":
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$atomname = getid3_lib::BigEndian2Int($atomname);
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$atom_structure['name'] = $atomname;
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$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);
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break;
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case 'stbl': // Sample TaBLe container atom
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$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $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 ($atom_structure['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($value_array2['sample_duration']) && ($value_array2['sample_duration'] > 0)) {
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$framerate = round($info['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 && $framerate) {
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$info['quicktime']['video']['frame_rate'] = $framerate;
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$info['video']['frame_rate'] = $info['quicktime']['video']['frame_rate'];
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}
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if ($isVideo && $framecount) {
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$info['quicktime']['video']['frame_count'] = $framecount;
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}
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break;
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case 'aART': // Album ARTist
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case 'catg': // CaTeGory
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case 'covr': // COVeR artwork
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case 'cpil': // ComPILation
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case 'cprt': // CoPyRighT
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case 'desc': // DESCription
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case 'disk': // DISK number
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case 'egid': // Episode Global ID
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case 'gnre': // GeNRE
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case 'keyw': // KEYWord
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case 'ldes':
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case 'pcst': // PodCaST
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case 'pgap': // GAPless Playback
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case 'purd': // PURchase Date
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case 'purl': // Podcast URL
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case 'rati':
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case 'rndu':
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case 'rpdu':
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case 'rtng': // RaTiNG
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case 'stik':
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case 'tmpo': // TeMPO (BPM)
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case 'trkn': // TRacK Number
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case 'tves': // TV EpiSode
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case 'tvnn': // TV Network Name
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case 'tvsh': // TV SHow Name
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case 'tvsn': // TV SeasoN
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case 'akID': // iTunes store account type
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case 'apID':
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case 'atID':
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case 'cmID':
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case 'cnID':
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case 'geID':
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case 'plID':
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case 'sfID': // iTunes store country
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case "\xA9".'alb': // ALBum
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case "\xA9".'art': // ARTist
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case "\xA9".'ART':
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case "\xA9".'aut':
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case "\xA9".'cmt': // CoMmenT
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case "\xA9".'com': // COMposer
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case "\xA9".'cpy':
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case "\xA9".'day': // content created year
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case "\xA9".'dir':
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case "\xA9".'ed1':
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case "\xA9".'ed2':
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case "\xA9".'ed3':
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case "\xA9".'ed4':
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case "\xA9".'ed5':
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case "\xA9".'ed6':
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case "\xA9".'ed7':
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case "\xA9".'ed8':
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case "\xA9".'ed9':
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case "\xA9".'enc':
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case "\xA9".'fmt':
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case "\xA9".'gen': // GENre
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case "\xA9".'grp': // GRouPing
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case "\xA9".'hst':
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case "\xA9".'inf':
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case "\xA9".'lyr': // LYRics
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case "\xA9".'mak':
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case "\xA9".'mod':
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case "\xA9".'nam': // full NAMe
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case "\xA9".'ope':
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case "\xA9".'PRD':
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case "\xA9".'prd':
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case "\xA9".'prf':
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case "\xA9".'req':
|
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case "\xA9".'src':
|
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case "\xA9".'swr':
|
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case "\xA9".'too': // encoder
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case "\xA9".'trk': // TRacK
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case "\xA9".'url':
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case "\xA9".'wrn':
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case "\xA9".'wrt': // WRiTer
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case '----': // itunes specific
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if ($atom_parent == 'udta') {
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// User data atom handler
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$atom_structure['data_length'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2));
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$atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2));
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$atom_structure['data'] = substr($atom_data, 4);
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||
|
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$atom_structure['language'] = $this->QuicktimeLanguageLookup($atom_structure['language_id']);
|
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if (empty($info['comments']['language']) || (!in_array($atom_structure['language'], $info['comments']['language']))) {
|
||
$info['comments']['language'][] = $atom_structure['language'];
|
||
}
|
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} else {
|
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// Apple item list box atom handler
|
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$atomoffset = 0;
|
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if (substr($atom_data, 2, 2) == "\x10\xB5") {
|
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// not sure what it means, but observed on iPhone4 data.
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// Each $atom_data has 2 bytes of datasize, plus 0x10B5, then data
|
||
while ($atomoffset < strlen($atom_data)) {
|
||
$boxsmallsize = getid3_lib::BigEndian2Int(substr($atom_data, $atomoffset, 2));
|
||
$boxsmalltype = substr($atom_data, $atomoffset + 2, 2);
|
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$boxsmalldata = substr($atom_data, $atomoffset + 4, $boxsmallsize);
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if ($boxsmallsize <= 1) {
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$info['warning'][] = 'Invalid QuickTime atom smallbox size "'.$boxsmallsize.'" in atom "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $atomname).'" at offset: '.($atom_structure['offset'] + $atomoffset);
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$atom_structure['data'] = null;
|
||
$atomoffset = strlen($atom_data);
|
||
break;
|
||
}
|
||
switch ($boxsmalltype) {
|
||
case "\x10\xB5":
|
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$atom_structure['data'] = $boxsmalldata;
|
||
break;
|
||
default:
|
||
$info['warning'][] = 'Unknown QuickTime smallbox type: "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $boxsmalltype).'" ('.trim(getid3_lib::PrintHexBytes($boxsmalltype)).') at offset '.$baseoffset;
|
||
$atom_structure['data'] = $atom_data;
|
||
break;
|
||
}
|
||
$atomoffset += (4 + $boxsmallsize);
|
||
}
|
||
} else {
|
||
while ($atomoffset < strlen($atom_data)) {
|
||
$boxsize = getid3_lib::BigEndian2Int(substr($atom_data, $atomoffset, 4));
|
||
$boxtype = substr($atom_data, $atomoffset + 4, 4);
|
||
$boxdata = substr($atom_data, $atomoffset + 8, $boxsize - 8);
|
||
if ($boxsize <= 1) {
|
||
$info['warning'][] = 'Invalid QuickTime atom box size "'.$boxsize.'" in atom "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $atomname).'" at offset: '.($atom_structure['offset'] + $atomoffset);
|
||
$atom_structure['data'] = null;
|
||
$atomoffset = strlen($atom_data);
|
||
break;
|
||
}
|
||
$atomoffset += $boxsize;
|
||
|
||
switch ($boxtype) {
|
||
case 'mean':
|
||
case 'name':
|
||
$atom_structure[$boxtype] = substr($boxdata, 4);
|
||
break;
|
||
|
||
case 'data':
|
||
$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($boxdata, 0, 1));
|
||
$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($boxdata, 1, 3));
|
||
switch ($atom_structure['flags_raw']) {
|
||
case 0: // data flag
|
||
case 21: // tmpo/cpil flag
|
||
switch ($atomname) {
|
||
case 'cpil':
|
||
case 'pcst':
|
||
case 'pgap':
|
||
$atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1));
|
||
break;
|
||
|
||
case 'tmpo':
|
||
$atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 2));
|
||
break;
|
||
|
||
case 'disk':
|
||
case 'trkn':
|
||
$num = getid3_lib::BigEndian2Int(substr($boxdata, 10, 2));
|
||
$num_total = getid3_lib::BigEndian2Int(substr($boxdata, 12, 2));
|
||
$atom_structure['data'] = empty($num) ? '' : $num;
|
||
$atom_structure['data'] .= empty($num_total) ? '' : '/'.$num_total;
|
||
break;
|
||
|
||
case 'gnre':
|
||
$GenreID = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4));
|
||
$atom_structure['data'] = getid3_id3v1::LookupGenreName($GenreID - 1);
|
||
break;
|
||
|
||
case 'rtng':
|
||
$atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1));
|
||
$atom_structure['data'] = $this->QuicktimeContentRatingLookup($atom_structure[$atomname]);
|
||
break;
|
||
|
||
case 'stik':
|
||
$atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1));
|
||
$atom_structure['data'] = $this->QuicktimeSTIKLookup($atom_structure[$atomname]);
|
||
break;
|
||
|
||
case 'sfID':
|
||
$atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4));
|
||
$atom_structure['data'] = $this->QuicktimeStoreFrontCodeLookup($atom_structure[$atomname]);
|
||
break;
|
||
|
||
case 'egid':
|
||
case 'purl':
|
||
$atom_structure['data'] = substr($boxdata, 8);
|
||
break;
|
||
|
||
default:
|
||
$atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4));
|
||
}
|
||
break;
|
||
|
||
case 1: // text flag
|
||
case 13: // image flag
|
||
default:
|
||
$atom_structure['data'] = substr($boxdata, 8);
|
||
if ($atomname == 'covr') {
|
||
// not a foolproof check, but better than nothing
|
||
if (preg_match('#^\xFF\xD8\xFF#', $atom_structure['data'])) {
|
||
$atom_structure['image_mime'] = 'image/jpeg';
|
||
} elseif (preg_match('#^\x89\x50\x4E\x47\x0D\x0A\x1A\x0A#', $atom_structure['data'])) {
|
||
$atom_structure['image_mime'] = 'image/png';
|
||
} elseif (preg_match('#^GIF#', $atom_structure['data'])) {
|
||
$atom_structure['image_mime'] = 'image/gif';
|
||
}
|
||
}
|
||
break;
|
||
|
||
}
|
||
break;
|
||
|
||
default:
|
||
$info['warning'][] = 'Unknown QuickTime box type: "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $boxtype).'" ('.trim(getid3_lib::PrintHexBytes($boxtype)).') at offset '.$baseoffset;
|
||
$atom_structure['data'] = $atom_data;
|
||
|
||
}
|
||
}
|
||
}
|
||
}
|
||
$this->CopyToAppropriateCommentsSection($atomname, $atom_structure['data'], $atom_structure['name']);
|
||
break;
|
||
|
||
|
||
case 'play': // auto-PLAY atom
|
||
$atom_structure['autoplay'] = (bool) getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
|
||
|
||
$info['quicktime']['autoplay'] = $atom_structure['autoplay'];
|
||
break;
|
||
|
||
|
||
case 'WLOC': // Window LOCation atom
|
||
$atom_structure['location_x'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2));
|
||
$atom_structure['location_y'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2));
|
||
break;
|
||
|
||
|
||
case 'LOOP': // LOOPing atom
|
||
case 'SelO': // play SELection Only atom
|
||
case 'AllF': // play ALL Frames atom
|
||
$atom_structure['data'] = getid3_lib::BigEndian2Int($atom_data);
|
||
break;
|
||
|
||
|
||
case 'name': //
|
||
case 'MCPS': // Media Cleaner PRo
|
||
case '@PRM': // adobe PReMiere version
|
||
case '@PRQ': // adobe PRemiere Quicktime version
|
||
$atom_structure['data'] = $atom_data;
|
||
break;
|
||
|
||
|
||
case 'cmvd': // Compressed MooV Data atom
|
||
// Code by ubergeekØubergeek*tv based on information from
|
||
// http://developer.apple.com/quicktime/icefloe/dispatch012.html
|
||
$atom_structure['unCompressedSize'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4));
|
||
|
||
$CompressedFileData = substr($atom_data, 4);
|
||
if ($UncompressedHeader = @gzuncompress($CompressedFileData)) {
|
||
$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($UncompressedHeader, 0, $atomHierarchy, $ParseAllPossibleAtoms);
|
||
} else {
|
||
$info['warning'][] = 'Error decompressing compressed MOV atom at offset '.$atom_structure['offset'];
|
||
}
|
||
break;
|
||
|
||
|
||
case 'dcom': // Data COMpression atom
|
||
$atom_structure['compression_id'] = $atom_data;
|
||
$atom_structure['compression_text'] = $this->QuicktimeDCOMLookup($atom_data);
|
||
break;
|
||
|
||
|
||
case 'rdrf': // Reference movie Data ReFerence atom
|
||
$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
|
||
$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3));
|
||
$atom_structure['flags']['internal_data'] = (bool) ($atom_structure['flags_raw'] & 0x000001);
|
||
|
||
$atom_structure['reference_type_name'] = substr($atom_data, 4, 4);
|
||
$atom_structure['reference_length'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4));
|
||
switch ($atom_structure['reference_type_name']) {
|
||
case 'url ':
|
||
$atom_structure['url'] = $this->NoNullString(substr($atom_data, 12));
|
||
break;
|
||
|
||
case 'alis':
|
||
$atom_structure['file_alias'] = substr($atom_data, 12);
|
||
break;
|
||
|
||
case 'rsrc':
|
||
$atom_structure['resource_alias'] = substr($atom_data, 12);
|
||
break;
|
||
|
||
default:
|
||
$atom_structure['data'] = substr($atom_data, 12);
|
||
break;
|
||
}
|
||
break;
|
||
|
||
|
||
case 'rmqu': // Reference Movie QUality atom
|
||
$atom_structure['movie_quality'] = getid3_lib::BigEndian2Int($atom_data);
|
||
break;
|
||
|
||
|
||
case 'rmcs': // Reference Movie Cpu Speed atom
|
||
$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
|
||
$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
|
||
$atom_structure['cpu_speed_rating'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2));
|
||
break;
|
||
|
||
|
||
case 'rmvc': // Reference Movie Version Check atom
|
||
$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
|
||
$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
|
||
$atom_structure['gestalt_selector'] = substr($atom_data, 4, 4);
|
||
$atom_structure['gestalt_value_mask'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4));
|
||
$atom_structure['gestalt_value'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4));
|
||
$atom_structure['gestalt_check_type'] = getid3_lib::BigEndian2Int(substr($atom_data, 14, 2));
|
||
break;
|
||
|
||
|
||
case 'rmcd': // Reference Movie Component check atom
|
||
$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
|
||
$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
|
||
$atom_structure['component_type'] = substr($atom_data, 4, 4);
|
||
$atom_structure['component_subtype'] = substr($atom_data, 8, 4);
|
||
$atom_structure['component_manufacturer'] = substr($atom_data, 12, 4);
|
||
$atom_structure['component_flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4));
|
||
$atom_structure['component_flags_mask'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 4));
|
||
$atom_structure['component_min_version'] = getid3_lib::BigEndian2Int(substr($atom_data, 24, 4));
|
||
break;
|
||
|
||
|
||
case 'rmdr': // Reference Movie Data Rate atom
|
||
$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
|
||
$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
|
||
$atom_structure['data_rate'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4));
|
||
|
||
$atom_structure['data_rate_bps'] = $atom_structure['data_rate'] * 10;
|
||
break;
|
||
|
||
|
||
case 'rmla': // Reference Movie Language Atom
|
||
$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
|
||
$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
|
||
$atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2));
|
||
|
||
$atom_structure['language'] = $this->QuicktimeLanguageLookup($atom_structure['language_id']);
|
||
if (empty($info['comments']['language']) || (!in_array($atom_structure['language'], $info['comments']['language']))) {
|
||
$info['comments']['language'][] = $atom_structure['language'];
|
||
}
|
||
break;
|
||
|
||
|
||
case 'rmla': // Reference Movie Language Atom
|
||
$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
|
||
$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
|
||
$atom_structure['track_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2));
|
||
break;
|
||
|
||
|
||
case 'ptv ': // Print To Video - defines a movie's full screen mode
|
||
// http://developer.apple.com/documentation/QuickTime/APIREF/SOURCESIV/at_ptv-_pg.htm
|
||
$atom_structure['display_size_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2));
|
||
$atom_structure['reserved_1'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2)); // hardcoded: 0x0000
|
||
$atom_structure['reserved_2'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); // hardcoded: 0x0000
|
||
$atom_structure['slide_show_flag'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 1));
|
||
$atom_structure['play_on_open_flag'] = getid3_lib::BigEndian2Int(substr($atom_data, 7, 1));
|
||
|
||
$atom_structure['flags']['play_on_open'] = (bool) $atom_structure['play_on_open_flag'];
|
||
$atom_structure['flags']['slide_show'] = (bool) $atom_structure['slide_show_flag'];
|
||
|
||
$ptv_lookup[0] = 'normal';
|
||
$ptv_lookup[1] = 'double';
|
||
$ptv_lookup[2] = 'half';
|
||
$ptv_lookup[3] = 'full';
|
||
$ptv_lookup[4] = 'current';
|
||
if (isset($ptv_lookup[$atom_structure['display_size_raw']])) {
|
||
$atom_structure['display_size'] = $ptv_lookup[$atom_structure['display_size_raw']];
|
||
} else {
|
||
$info['warning'][] = 'unknown "ptv " display constant ('.$atom_structure['display_size_raw'].')';
|
||
}
|
||
break;
|
||
|
||
|
||
case 'stsd': // Sample Table Sample Description atom
|
||
$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
|
||
$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
|
||
$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4));
|
||
$stsdEntriesDataOffset = 8;
|
||
for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
|
||
$atom_structure['sample_description_table'][$i]['size'] = getid3_lib::BigEndian2Int(substr($atom_data, $stsdEntriesDataOffset, 4));
|
||
$stsdEntriesDataOffset += 4;
|
||
$atom_structure['sample_description_table'][$i]['data_format'] = substr($atom_data, $stsdEntriesDataOffset, 4);
|
||
$stsdEntriesDataOffset += 4;
|
||
$atom_structure['sample_description_table'][$i]['reserved'] = getid3_lib::BigEndian2Int(substr($atom_data, $stsdEntriesDataOffset, 6));
|
||
$stsdEntriesDataOffset += 6;
|
||
$atom_structure['sample_description_table'][$i]['reference_index'] = getid3_lib::BigEndian2Int(substr($atom_data, $stsdEntriesDataOffset, 2));
|
||
$stsdEntriesDataOffset += 2;
|
||
$atom_structure['sample_description_table'][$i]['data'] = substr($atom_data, $stsdEntriesDataOffset, ($atom_structure['sample_description_table'][$i]['size'] - 4 - 4 - 6 - 2));
|
||
$stsdEntriesDataOffset += ($atom_structure['sample_description_table'][$i]['size'] - 4 - 4 - 6 - 2);
|
||
|
||
$atom_structure['sample_description_table'][$i]['encoder_version'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 0, 2));
|
||
$atom_structure['sample_description_table'][$i]['encoder_revision'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 2, 2));
|
||
$atom_structure['sample_description_table'][$i]['encoder_vendor'] = substr($atom_structure['sample_description_table'][$i]['data'], 4, 4);
|
||
|
||
switch ($atom_structure['sample_description_table'][$i]['encoder_vendor']) {
|
||
|
||
case "\x00\x00\x00\x00":
|
||
// audio tracks
|
||
$atom_structure['sample_description_table'][$i]['audio_channels'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 8, 2));
|
||
$atom_structure['sample_description_table'][$i]['audio_bit_depth'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 10, 2));
|
||
$atom_structure['sample_description_table'][$i]['audio_compression_id'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 12, 2));
|
||
$atom_structure['sample_description_table'][$i]['audio_packet_size'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 14, 2));
|
||
$atom_structure['sample_description_table'][$i]['audio_sample_rate'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 16, 4));
|
||
|
||
// video tracks
|
||
// http://developer.apple.com/library/mac/#documentation/QuickTime/QTFF/QTFFChap3/qtff3.html
|
||
$atom_structure['sample_description_table'][$i]['temporal_quality'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 8, 4));
|
||
$atom_structure['sample_description_table'][$i]['spatial_quality'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 12, 4));
|
||
$atom_structure['sample_description_table'][$i]['width'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 16, 2));
|
||
$atom_structure['sample_description_table'][$i]['height'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 18, 2));
|
||
$atom_structure['sample_description_table'][$i]['resolution_x'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 24, 4));
|
||
$atom_structure['sample_description_table'][$i]['resolution_y'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 28, 4));
|
||
$atom_structure['sample_description_table'][$i]['data_size'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 32, 4));
|
||
$atom_structure['sample_description_table'][$i]['frame_count'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 36, 2));
|
||
$atom_structure['sample_description_table'][$i]['compressor_name'] = substr($atom_structure['sample_description_table'][$i]['data'], 38, 4);
|
||
$atom_structure['sample_description_table'][$i]['pixel_depth'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 42, 2));
|
||
$atom_structure['sample_description_table'][$i]['color_table_id'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 44, 2));
|
||
|
||
switch ($atom_structure['sample_description_table'][$i]['data_format']) {
|
||
case '2vuY':
|
||
case 'avc1':
|
||
case 'cvid':
|
||
case 'dvc ':
|
||
case 'dvcp':
|
||
case 'gif ':
|
||
case 'h263':
|
||
case 'jpeg':
|
||
case 'kpcd':
|
||
case 'mjpa':
|
||
case 'mjpb':
|
||
case 'mp4v':
|
||
case 'png ':
|
||
case 'raw ':
|
||
case 'rle ':
|
||
case 'rpza':
|
||
case 'smc ':
|
||
case 'SVQ1':
|
||
case 'SVQ3':
|
||
case 'tiff':
|
||
case 'v210':
|
||
case 'v216':
|
||
case 'v308':
|
||
case 'v408':
|
||
case 'v410':
|
||
case 'yuv2':
|
||
$info['fileformat'] = 'mp4';
|
||
$info['video']['fourcc'] = $atom_structure['sample_description_table'][$i]['data_format'];
|
||
// http://www.getid3.org/phpBB3/viewtopic.php?t=1550
|
||
//if ((!empty($atom_structure['sample_description_table'][$i]['width']) && !empty($atom_structure['sample_description_table'][$i]['width'])) && (empty($info['video']['resolution_x']) || empty($info['video']['resolution_y']) || (number_format($info['video']['resolution_x'], 6) != number_format(round($info['video']['resolution_x']), 6)) || (number_format($info['video']['resolution_y'], 6) != number_format(round($info['video']['resolution_y']), 6)))) { // ugly check for floating point numbers
|
||
if (!empty($atom_structure['sample_description_table'][$i]['width']) && !empty($atom_structure['sample_description_table'][$i]['height'])) {
|
||
// assume that values stored here are more important than values stored in [tkhd] atom
|
||
$info['video']['resolution_x'] = $atom_structure['sample_description_table'][$i]['width'];
|
||
$info['video']['resolution_y'] = $atom_structure['sample_description_table'][$i]['height'];
|
||
$info['quicktime']['video']['resolution_x'] = $info['video']['resolution_x'];
|
||
$info['quicktime']['video']['resolution_y'] = $info['video']['resolution_y'];
|
||
}
|
||
break;
|
||
|
||
case 'qtvr':
|
||
$info['video']['dataformat'] = 'quicktimevr';
|
||
break;
|
||
|
||
case 'mp4a':
|
||
default:
|
||
$info['quicktime']['audio']['codec'] = $this->QuicktimeAudioCodecLookup($atom_structure['sample_description_table'][$i]['data_format']);
|
||
$info['quicktime']['audio']['sample_rate'] = $atom_structure['sample_description_table'][$i]['audio_sample_rate'];
|
||
$info['quicktime']['audio']['channels'] = $atom_structure['sample_description_table'][$i]['audio_channels'];
|
||
$info['quicktime']['audio']['bit_depth'] = $atom_structure['sample_description_table'][$i]['audio_bit_depth'];
|
||
$info['audio']['codec'] = $info['quicktime']['audio']['codec'];
|
||
$info['audio']['sample_rate'] = $info['quicktime']['audio']['sample_rate'];
|
||
$info['audio']['channels'] = $info['quicktime']['audio']['channels'];
|
||
$info['audio']['bits_per_sample'] = $info['quicktime']['audio']['bit_depth'];
|
||
switch ($atom_structure['sample_description_table'][$i]['data_format']) {
|
||
case 'raw ': // PCM
|
||
case 'alac': // Apple Lossless Audio Codec
|
||
$info['audio']['lossless'] = true;
|
||
break;
|
||
default:
|
||
$info['audio']['lossless'] = false;
|
||
break;
|
||
}
|
||
break;
|
||
}
|
||
break;
|
||
|
||
default:
|
||
switch ($atom_structure['sample_description_table'][$i]['data_format']) {
|
||
case 'mp4s':
|
||
$info['fileformat'] = 'mp4';
|
||
break;
|
||
|
||
default:
|
||
// video atom
|
||
$atom_structure['sample_description_table'][$i]['video_temporal_quality'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 8, 4));
|
||
$atom_structure['sample_description_table'][$i]['video_spatial_quality'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 12, 4));
|
||
$atom_structure['sample_description_table'][$i]['video_frame_width'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 16, 2));
|
||
$atom_structure['sample_description_table'][$i]['video_frame_height'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 18, 2));
|
||
$atom_structure['sample_description_table'][$i]['video_resolution_x'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 20, 4));
|
||
$atom_structure['sample_description_table'][$i]['video_resolution_y'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 24, 4));
|
||
$atom_structure['sample_description_table'][$i]['video_data_size'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 28, 4));
|
||
$atom_structure['sample_description_table'][$i]['video_frame_count'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 32, 2));
|
||
$atom_structure['sample_description_table'][$i]['video_encoder_name_len'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 34, 1));
|
||
$atom_structure['sample_description_table'][$i]['video_encoder_name'] = substr($atom_structure['sample_description_table'][$i]['data'], 35, $atom_structure['sample_description_table'][$i]['video_encoder_name_len']);
|
||
$atom_structure['sample_description_table'][$i]['video_pixel_color_depth'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 66, 2));
|
||
$atom_structure['sample_description_table'][$i]['video_color_table_id'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 68, 2));
|
||
|
||
$atom_structure['sample_description_table'][$i]['video_pixel_color_type'] = (($atom_structure['sample_description_table'][$i]['video_pixel_color_depth'] > 32) ? 'grayscale' : 'color');
|
||
$atom_structure['sample_description_table'][$i]['video_pixel_color_name'] = $this->QuicktimeColorNameLookup($atom_structure['sample_description_table'][$i]['video_pixel_color_depth']);
|
||
|
||
if ($atom_structure['sample_description_table'][$i]['video_pixel_color_name'] != 'invalid') {
|
||
$info['quicktime']['video']['codec_fourcc'] = $atom_structure['sample_description_table'][$i]['data_format'];
|
||
$info['quicktime']['video']['codec_fourcc_lookup'] = $this->QuicktimeVideoCodecLookup($atom_structure['sample_description_table'][$i]['data_format']);
|
||
$info['quicktime']['video']['codec'] = (($atom_structure['sample_description_table'][$i]['video_encoder_name_len'] > 0) ? $atom_structure['sample_description_table'][$i]['video_encoder_name'] : $atom_structure['sample_description_table'][$i]['data_format']);
|
||
$info['quicktime']['video']['color_depth'] = $atom_structure['sample_description_table'][$i]['video_pixel_color_depth'];
|
||
$info['quicktime']['video']['color_depth_name'] = $atom_structure['sample_description_table'][$i]['video_pixel_color_name'];
|
||
|
||
$info['video']['codec'] = $info['quicktime']['video']['codec'];
|
||
$info['video']['bits_per_sample'] = $info['quicktime']['video']['color_depth'];
|
||
}
|
||
$info['video']['lossless'] = false;
|
||
$info['video']['pixel_aspect_ratio'] = (float) 1;
|
||
break;
|
||
}
|
||
break;
|
||
}
|
||
switch (strtolower($atom_structure['sample_description_table'][$i]['data_format'])) {
|
||
case 'mp4a':
|
||
$info['audio']['dataformat'] = 'mp4';
|
||
$info['quicktime']['audio']['codec'] = 'mp4';
|
||
break;
|
||
|
||
case '3ivx':
|
||
case '3iv1':
|
||
case '3iv2':
|
||
$info['video']['dataformat'] = '3ivx';
|
||
break;
|
||
|
||
case 'xvid':
|
||
$info['video']['dataformat'] = 'xvid';
|
||
break;
|
||
|
||
case 'mp4v':
|
||
$info['video']['dataformat'] = 'mpeg4';
|
||
break;
|
||
|
||
case 'divx':
|
||
case 'div1':
|
||
case 'div2':
|
||
case 'div3':
|
||
case 'div4':
|
||
case 'div5':
|
||
case 'div6':
|
||
$info['video']['dataformat'] = 'divx';
|
||
break;
|
||
|
||
default:
|
||
// do nothing
|
||
break;
|
||
}
|
||
unset($atom_structure['sample_description_table'][$i]['data']);
|
||
}
|
||
break;
|
||
|
||
|
||
case 'stts': // Sample Table Time-to-Sample atom
|
||
$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
|
||
$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
|
||
$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4));
|
||
$sttsEntriesDataOffset = 8;
|
||
//$FrameRateCalculatorArray = array();
|
||
$frames_count = 0;
|
||
|
||
$max_stts_entries_to_scan = min(floor($this->getid3->memory_limit / 10000), $atom_structure['number_entries']);
|
||
if ($max_stts_entries_to_scan < $atom_structure['number_entries']) {
|
||
$info['warning'][] = 'QuickTime atom "stts" has '.$atom_structure['number_entries'].' but only scanning the first '.$max_stts_entries_to_scan.' entries due to limited PHP memory available ('.floor($this->getid3->memory_limit / 1048576).'MB).';
|
||
}
|
||
for ($i = 0; $i < $max_stts_entries_to_scan; $i++) {
|
||
$atom_structure['time_to_sample_table'][$i]['sample_count'] = getid3_lib::BigEndian2Int(substr($atom_data, $sttsEntriesDataOffset, 4));
|
||
$sttsEntriesDataOffset += 4;
|
||
$atom_structure['time_to_sample_table'][$i]['sample_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, $sttsEntriesDataOffset, 4));
|
||
$sttsEntriesDataOffset += 4;
|
||
|
||
$frames_count += $atom_structure['time_to_sample_table'][$i]['sample_count'];
|
||
|
||
// THIS SECTION REPLACED WITH CODE IN "stbl" ATOM
|
||
//if (!empty($info['quicktime']['time_scale']) && ($atom_structure['time_to_sample_table'][$i]['sample_duration'] > 0)) {
|
||
// $stts_new_framerate = $info['quicktime']['time_scale'] / $atom_structure['time_to_sample_table'][$i]['sample_duration'];
|
||
// if ($stts_new_framerate <= 60) {
|
||
// // some atoms have durations of "1" giving a very large framerate, which probably is not right
|
||
// $info['video']['frame_rate'] = max($info['video']['frame_rate'], $stts_new_framerate);
|
||
// }
|
||
//}
|
||
//
|
||
//$FrameRateCalculatorArray[($info['quicktime']['time_scale'] / $atom_structure['time_to_sample_table'][$i]['sample_duration'])] += $atom_structure['time_to_sample_table'][$i]['sample_count'];
|
||
}
|
||
$info['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) > $info['video']['frame_rate']) {
|
||
// $info['video']['frame_rate'] = $sttsFramesTotal / $sttsSecondsTotal;
|
||
// }
|
||
//}
|
||
break;
|
||
|
||
|
||
case 'stss': // Sample Table Sync Sample (key frames) atom
|
||
if ($ParseAllPossibleAtoms) {
|
||
$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
|
||
$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
|
||
$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4));
|
||
$stssEntriesDataOffset = 8;
|
||
for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
|
||
$atom_structure['time_to_sample_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stssEntriesDataOffset, 4));
|
||
$stssEntriesDataOffset += 4;
|
||
}
|
||
}
|
||
break;
|
||
|
||
|
||
case 'stsc': // Sample Table Sample-to-Chunk atom
|
||
if ($ParseAllPossibleAtoms) {
|
||
$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
|
||
$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
|
||
$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4));
|
||
$stscEntriesDataOffset = 8;
|
||
for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
|
||
$atom_structure['sample_to_chunk_table'][$i]['first_chunk'] = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4));
|
||
$stscEntriesDataOffset += 4;
|
||
$atom_structure['sample_to_chunk_table'][$i]['samples_per_chunk'] = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4));
|
||
$stscEntriesDataOffset += 4;
|
||
$atom_structure['sample_to_chunk_table'][$i]['sample_description'] = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4));
|
||
$stscEntriesDataOffset += 4;
|
||
}
|
||
}
|
||
break;
|
||
|
||
|
||
case 'stsz': // Sample Table SiZe atom
|
||
if ($ParseAllPossibleAtoms) {
|
||
$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
|
||
$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
|
||
$atom_structure['sample_size'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4));
|
||
$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4));
|
||
$stszEntriesDataOffset = 12;
|
||
if ($atom_structure['sample_size'] == 0) {
|
||
for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
|
||
$atom_structure['sample_size_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stszEntriesDataOffset, 4));
|
||
$stszEntriesDataOffset += 4;
|
||
}
|
||
}
|
||
}
|
||
break;
|
||
|
||
|
||
case 'stco': // Sample Table Chunk Offset atom
|
||
if ($ParseAllPossibleAtoms) {
|
||
$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
|
||
$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
|
||
$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4));
|
||
$stcoEntriesDataOffset = 8;
|
||
for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
|
||
$atom_structure['chunk_offset_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stcoEntriesDataOffset, 4));
|
||
$stcoEntriesDataOffset += 4;
|
||
}
|
||
}
|
||
break;
|
||
|
||
|
||
case 'co64': // Chunk Offset 64-bit (version of "stco" that supports > 2GB files)
|
||
if ($ParseAllPossibleAtoms) {
|
||
$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
|
||
$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
|
||
$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4));
|
||
$stcoEntriesDataOffset = 8;
|
||
for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
|
||
$atom_structure['chunk_offset_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stcoEntriesDataOffset, 8));
|
||
$stcoEntriesDataOffset += 8;
|
||
}
|
||
}
|
||
break;
|
||
|
||
|
||
case 'dref': // Data REFerence atom
|
||
$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
|
||
$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
|
||
$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4));
|
||
$drefDataOffset = 8;
|
||
for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
|
||
$atom_structure['data_references'][$i]['size'] = getid3_lib::BigEndian2Int(substr($atom_data, $drefDataOffset, 4));
|
||
$drefDataOffset += 4;
|
||
$atom_structure['data_references'][$i]['type'] = substr($atom_data, $drefDataOffset, 4);
|
||
$drefDataOffset += 4;
|
||
$atom_structure['data_references'][$i]['version'] = getid3_lib::BigEndian2Int(substr($atom_data, $drefDataOffset, 1));
|
||
$drefDataOffset += 1;
|
||
$atom_structure['data_references'][$i]['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, $drefDataOffset, 3)); // hardcoded: 0x0000
|
||
$drefDataOffset += 3;
|
||
$atom_structure['data_references'][$i]['data'] = substr($atom_data, $drefDataOffset, ($atom_structure['data_references'][$i]['size'] - 4 - 4 - 1 - 3));
|
||
$drefDataOffset += ($atom_structure['data_references'][$i]['size'] - 4 - 4 - 1 - 3);
|
||
|
||
$atom_structure['data_references'][$i]['flags']['self_reference'] = (bool) ($atom_structure['data_references'][$i]['flags_raw'] & 0x001);
|
||
}
|
||
break;
|
||
|
||
|
||
case 'gmin': // base Media INformation atom
|
||
$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
|
||
$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
|
||
$atom_structure['graphics_mode'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2));
|
||
$atom_structure['opcolor_red'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2));
|
||
$atom_structure['opcolor_green'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 2));
|
||
$atom_structure['opcolor_blue'] = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2));
|
||
$atom_structure['balance'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 2));
|
||
$atom_structure['reserved'] = getid3_lib::BigEndian2Int(substr($atom_data, 14, 2));
|
||
break;
|
||
|
||
|
||
case 'smhd': // Sound Media information HeaDer atom
|
||
$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
|
||
$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
|
||
$atom_structure['balance'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2));
|
||
$atom_structure['reserved'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2));
|
||
break;
|
||
|
||
|
||
case 'vmhd': // Video Media information HeaDer atom
|
||
$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
|
||
$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3));
|
||
$atom_structure['graphics_mode'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2));
|
||
$atom_structure['opcolor_red'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2));
|
||
$atom_structure['opcolor_green'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 2));
|
||
$atom_structure['opcolor_blue'] = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2));
|
||
|
||
$atom_structure['flags']['no_lean_ahead'] = (bool) ($atom_structure['flags_raw'] & 0x001);
|
||
break;
|
||
|
||
|
||
case 'hdlr': // HanDLeR reference atom
|
||
$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
|
||
$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
|
||
$atom_structure['component_type'] = substr($atom_data, 4, 4);
|
||
$atom_structure['component_subtype'] = substr($atom_data, 8, 4);
|
||
$atom_structure['component_manufacturer'] = substr($atom_data, 12, 4);
|
||
$atom_structure['component_flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4));
|
||
$atom_structure['component_flags_mask'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 4));
|
||
$atom_structure['component_name'] = $this->Pascal2String(substr($atom_data, 24));
|
||
|
||
if (($atom_structure['component_subtype'] == 'STpn') && ($atom_structure['component_manufacturer'] == 'zzzz')) {
|
||
$info['video']['dataformat'] = 'quicktimevr';
|
||
}
|
||
break;
|
||
|
||
|
||
case 'mdhd': // MeDia HeaDer atom
|
||
$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
|
||
$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
|
||
$atom_structure['creation_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4));
|
||
$atom_structure['modify_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4));
|
||
$atom_structure['time_scale'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4));
|
||
$atom_structure['duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4));
|
||
$atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 2));
|
||
$atom_structure['quality'] = getid3_lib::BigEndian2Int(substr($atom_data, 22, 2));
|
||
|
||
if ($atom_structure['time_scale'] == 0) {
|
||
$info['error'][] = 'Corrupt Quicktime file: mdhd.time_scale == zero';
|
||
return false;
|
||
}
|
||
$info['quicktime']['time_scale'] = (isset($info['quicktime']['time_scale']) ? max($info['quicktime']['time_scale'], $atom_structure['time_scale']) : $atom_structure['time_scale']);
|
||
|
||
$atom_structure['creation_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['creation_time']);
|
||
$atom_structure['modify_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['modify_time']);
|
||
$atom_structure['playtime_seconds'] = $atom_structure['duration'] / $atom_structure['time_scale'];
|
||
$atom_structure['language'] = $this->QuicktimeLanguageLookup($atom_structure['language_id']);
|
||
if (empty($info['comments']['language']) || (!in_array($atom_structure['language'], $info['comments']['language']))) {
|
||
$info['comments']['language'][] = $atom_structure['language'];
|
||
}
|
||
break;
|
||
|
||
|
||
case 'pnot': // Preview atom
|
||
$atom_structure['modification_date'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); // "standard Macintosh format"
|
||
$atom_structure['version_number'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); // hardcoded: 0x00
|
||
$atom_structure['atom_type'] = substr($atom_data, 6, 4); // usually: 'PICT'
|
||
$atom_structure['atom_index'] = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2)); // usually: 0x01
|
||
|
||
$atom_structure['modification_date_unix'] = getid3_lib::DateMac2Unix($atom_structure['modification_date']);
|
||
break;
|
||
|
||
|
||
case 'crgn': // Clipping ReGioN atom
|
||
$atom_structure['region_size'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2)); // The Region size, Region boundary box,
|
||
$atom_structure['boundary_box'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 8)); // and Clipping region data fields
|
||
$atom_structure['clipping_data'] = substr($atom_data, 10); // constitute a QuickDraw region.
|
||
break;
|
||
|
||
|
||
case 'load': // track LOAD settings atom
|
||
$atom_structure['preload_start_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4));
|
||
$atom_structure['preload_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4));
|
||
$atom_structure['preload_flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4));
|
||
$atom_structure['default_hints_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4));
|
||
|
||
$atom_structure['default_hints']['double_buffer'] = (bool) ($atom_structure['default_hints_raw'] & 0x0020);
|
||
$atom_structure['default_hints']['high_quality'] = (bool) ($atom_structure['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; $i < strlen($atom_data); $i += 4) {
|
||
@$atom_structure['track_id'][] = getid3_lib::BigEndian2Int(substr($atom_data, $i, 4));
|
||
}
|
||
break;
|
||
|
||
|
||
case 'elst': // Edit LiST atom
|
||
$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
|
||
$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
|
||
$atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4));
|
||
for ($i = 0; $i < $atom_structure['number_entries']; $i++ ) {
|
||
$atom_structure['edit_list'][$i]['track_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($i * 12) + 0, 4));
|
||
$atom_structure['edit_list'][$i]['media_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($i * 12) + 4, 4));
|
||
$atom_structure['edit_list'][$i]['media_rate'] = getid3_lib::FixedPoint16_16(substr($atom_data, 8 + ($i * 12) + 8, 4));
|
||
}
|
||
break;
|
||
|
||
|
||
case 'kmat': // compressed MATte atom
|
||
$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
|
||
$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000
|
||
$atom_structure['matte_data_raw'] = substr($atom_data, 4);
|
||
break;
|
||
|
||
|
||
case 'ctab': // Color TABle atom
|
||
$atom_structure['color_table_seed'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); // hardcoded: 0x00000000
|
||
$atom_structure['color_table_flags'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); // hardcoded: 0x8000
|
||
$atom_structure['color_table_size'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2)) + 1;
|
||
for ($colortableentry = 0; $colortableentry < $atom_structure['color_table_size']; $colortableentry++) {
|
||
$atom_structure['color_table'][$colortableentry]['alpha'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 0, 2));
|
||
$atom_structure['color_table'][$colortableentry]['red'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 2, 2));
|
||
$atom_structure['color_table'][$colortableentry]['green'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 4, 2));
|
||
$atom_structure['color_table'][$colortableentry]['blue'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 6, 2));
|
||
}
|
||
break;
|
||
|
||
|
||
case 'mvhd': // MoVie HeaDer atom
|
||
$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
|
||
$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3));
|
||
$atom_structure['creation_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4));
|
||
$atom_structure['modify_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4));
|
||
$atom_structure['time_scale'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4));
|
||
$atom_structure['duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4));
|
||
$atom_structure['preferred_rate'] = getid3_lib::FixedPoint16_16(substr($atom_data, 20, 4));
|
||
$atom_structure['preferred_volume'] = getid3_lib::FixedPoint8_8(substr($atom_data, 24, 2));
|
||
$atom_structure['reserved'] = substr($atom_data, 26, 10);
|
||
$atom_structure['matrix_a'] = getid3_lib::FixedPoint16_16(substr($atom_data, 36, 4));
|
||
$atom_structure['matrix_b'] = getid3_lib::FixedPoint16_16(substr($atom_data, 40, 4));
|
||
$atom_structure['matrix_u'] = getid3_lib::FixedPoint2_30(substr($atom_data, 44, 4));
|
||
$atom_structure['matrix_c'] = getid3_lib::FixedPoint16_16(substr($atom_data, 48, 4));
|
||
$atom_structure['matrix_d'] = getid3_lib::FixedPoint16_16(substr($atom_data, 52, 4));
|
||
$atom_structure['matrix_v'] = getid3_lib::FixedPoint2_30(substr($atom_data, 56, 4));
|
||
$atom_structure['matrix_x'] = getid3_lib::FixedPoint16_16(substr($atom_data, 60, 4));
|
||
$atom_structure['matrix_y'] = getid3_lib::FixedPoint16_16(substr($atom_data, 64, 4));
|
||
$atom_structure['matrix_w'] = getid3_lib::FixedPoint2_30(substr($atom_data, 68, 4));
|
||
$atom_structure['preview_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 72, 4));
|
||
$atom_structure['preview_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 76, 4));
|
||
$atom_structure['poster_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 80, 4));
|
||
$atom_structure['selection_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 84, 4));
|
||
$atom_structure['selection_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 88, 4));
|
||
$atom_structure['current_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 92, 4));
|
||
$atom_structure['next_track_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 96, 4));
|
||
|
||
if ($atom_structure['time_scale'] == 0) {
|
||
$info['error'][] = 'Corrupt Quicktime file: mvhd.time_scale == zero';
|
||
return false;
|
||
}
|
||
$atom_structure['creation_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['creation_time']);
|
||
$atom_structure['modify_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['modify_time']);
|
||
$info['quicktime']['time_scale'] = (isset($info['quicktime']['time_scale']) ? max($info['quicktime']['time_scale'], $atom_structure['time_scale']) : $atom_structure['time_scale']);
|
||
$info['quicktime']['display_scale'] = $atom_structure['matrix_a'];
|
||
$info['playtime_seconds'] = $atom_structure['duration'] / $atom_structure['time_scale'];
|
||
break;
|
||
|
||
|
||
case 'tkhd': // TracK HeaDer atom
|
||
$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
|
||
$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3));
|
||
$atom_structure['creation_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4));
|
||
$atom_structure['modify_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4));
|
||
$atom_structure['trackid'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4));
|
||
$atom_structure['reserved1'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4));
|
||
$atom_structure['duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 4));
|
||
$atom_structure['reserved2'] = getid3_lib::BigEndian2Int(substr($atom_data, 24, 8));
|
||
$atom_structure['layer'] = getid3_lib::BigEndian2Int(substr($atom_data, 32, 2));
|
||
$atom_structure['alternate_group'] = getid3_lib::BigEndian2Int(substr($atom_data, 34, 2));
|
||
$atom_structure['volume'] = getid3_lib::FixedPoint8_8(substr($atom_data, 36, 2));
|
||
$atom_structure['reserved3'] = getid3_lib::BigEndian2Int(substr($atom_data, 38, 2));
|
||
// http://developer.apple.com/library/mac/#documentation/QuickTime/RM/MovieBasics/MTEditing/K-Chapter/11MatrixFunctions.html
|
||
// http://developer.apple.com/library/mac/#documentation/QuickTime/qtff/QTFFChap4/qtff4.html#//apple_ref/doc/uid/TP40000939-CH206-18737
|
||
$atom_structure['matrix_a'] = getid3_lib::FixedPoint16_16(substr($atom_data, 40, 4));
|
||
$atom_structure['matrix_b'] = getid3_lib::FixedPoint16_16(substr($atom_data, 44, 4));
|
||
$atom_structure['matrix_u'] = getid3_lib::FixedPoint2_30(substr($atom_data, 48, 4));
|
||
$atom_structure['matrix_c'] = getid3_lib::FixedPoint16_16(substr($atom_data, 52, 4));
|
||
$atom_structure['matrix_d'] = getid3_lib::FixedPoint16_16(substr($atom_data, 56, 4));
|
||
$atom_structure['matrix_v'] = getid3_lib::FixedPoint2_30(substr($atom_data, 60, 4));
|
||
$atom_structure['matrix_x'] = getid3_lib::FixedPoint16_16(substr($atom_data, 64, 4));
|
||
$atom_structure['matrix_y'] = getid3_lib::FixedPoint16_16(substr($atom_data, 68, 4));
|
||
$atom_structure['matrix_w'] = getid3_lib::FixedPoint2_30(substr($atom_data, 72, 4));
|
||
$atom_structure['width'] = getid3_lib::FixedPoint16_16(substr($atom_data, 76, 4));
|
||
$atom_structure['height'] = getid3_lib::FixedPoint16_16(substr($atom_data, 80, 4));
|
||
$atom_structure['flags']['enabled'] = (bool) ($atom_structure['flags_raw'] & 0x0001);
|
||
$atom_structure['flags']['in_movie'] = (bool) ($atom_structure['flags_raw'] & 0x0002);
|
||
$atom_structure['flags']['in_preview'] = (bool) ($atom_structure['flags_raw'] & 0x0004);
|
||
$atom_structure['flags']['in_poster'] = (bool) ($atom_structure['flags_raw'] & 0x0008);
|
||
$atom_structure['creation_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['creation_time']);
|
||
$atom_structure['modify_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['modify_time']);
|
||
|
||
if ($atom_structure['flags']['enabled'] == 1) {
|
||
if (!isset($info['video']['resolution_x']) || !isset($info['video']['resolution_y'])) {
|
||
$info['video']['resolution_x'] = $atom_structure['width'];
|
||
$info['video']['resolution_y'] = $atom_structure['height'];
|
||
}
|
||
$info['video']['resolution_x'] = max($info['video']['resolution_x'], $atom_structure['width']);
|
||
$info['video']['resolution_y'] = max($info['video']['resolution_y'], $atom_structure['height']);
|
||
$info['quicktime']['video']['resolution_x'] = $info['video']['resolution_x'];
|
||
$info['quicktime']['video']['resolution_y'] = $info['video']['resolution_y'];
|
||
} else {
|
||
// see: http://www.getid3.org/phpBB3/viewtopic.php?t=1295
|
||
//if (isset($info['video']['resolution_x'])) { unset($info['video']['resolution_x']); }
|
||
//if (isset($info['video']['resolution_y'])) { unset($info['video']['resolution_y']); }
|
||
//if (isset($info['quicktime']['video'])) { unset($info['quicktime']['video']); }
|
||
}
|
||
break;
|
||
|
||
|
||
case 'iods': // Initial Object DeScriptor atom
|
||
// http://www.koders.com/c/fid1FAB3E762903DC482D8A246D4A4BF9F28E049594.aspx?s=windows.h
|
||
// http://libquicktime.sourcearchive.com/documentation/1.0.2plus-pdebian/iods_8c-source.html
|
||
$offset = 0;
|
||
$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1));
|
||
$offset += 1;
|
||
$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 3));
|
||
$offset += 3;
|
||
$atom_structure['mp4_iod_tag'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1));
|
||
$offset += 1;
|
||
$atom_structure['length'] = $this->quicktime_read_mp4_descr_length($atom_data, $offset);
|
||
//$offset already adjusted by quicktime_read_mp4_descr_length()
|
||
$atom_structure['object_descriptor_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 2));
|
||
$offset += 2;
|
||
$atom_structure['od_profile_level'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1));
|
||
$offset += 1;
|
||
$atom_structure['scene_profile_level'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1));
|
||
$offset += 1;
|
||
$atom_structure['audio_profile_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1));
|
||
$offset += 1;
|
||
$atom_structure['video_profile_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1));
|
||
$offset += 1;
|
||
$atom_structure['graphics_profile_level'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1));
|
||
$offset += 1;
|
||
|
||
$atom_structure['num_iods_tracks'] = ($atom_structure['length'] - 7) / 6; // 6 bytes would only be right if all tracks use 1-byte length fields
|
||
for ($i = 0; $i < $atom_structure['num_iods_tracks']; $i++) {
|
||
$atom_structure['track'][$i]['ES_ID_IncTag'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1));
|
||
$offset += 1;
|
||
$atom_structure['track'][$i]['length'] = $this->quicktime_read_mp4_descr_length($atom_data, $offset);
|
||
//$offset already adjusted by quicktime_read_mp4_descr_length()
|
||
$atom_structure['track'][$i]['track_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 4));
|
||
$offset += 4;
|
||
}
|
||
|
||
$atom_structure['audio_profile_name'] = $this->QuicktimeIODSaudioProfileName($atom_structure['audio_profile_id']);
|
||
$atom_structure['video_profile_name'] = $this->QuicktimeIODSvideoProfileName($atom_structure['video_profile_id']);
|
||
break;
|
||
|
||
case 'ftyp': // FileTYPe (?) atom (for MP4 it seems)
|
||
$atom_structure['signature'] = substr($atom_data, 0, 4);
|
||
$atom_structure['unknown_1'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4));
|
||
$atom_structure['fourcc'] = substr($atom_data, 8, 4);
|
||
break;
|
||
|
||
case 'mdat': // Media DATa atom
|
||
// 'mdat' contains the actual data for the audio/video, possibly also subtitles
|
||
|
||
/* due to lack of known documentation, this is a kludge implementation. If you know of documentation on how mdat is properly structed, please send it to info@getid3.org */
|
||
|
||
// first, skip any 'wide' padding, and second 'mdat' header (with specified size of zero?)
|
||
$mdat_offset = 0;
|
||
while (true) {
|
||
if (substr($atom_data, $mdat_offset, 8) == "\x00\x00\x00\x08".'wide') {
|
||
$mdat_offset += 8;
|
||
} elseif (substr($atom_data, $mdat_offset, 8) == "\x00\x00\x00\x00".'mdat') {
|
||
$mdat_offset += 8;
|
||
} else {
|
||
break;
|
||
}
|
||
}
|
||
|
||
// check to see if it looks like chapter titles, in the form of unterminated strings with a leading 16-bit size field
|
||
while (($chapter_string_length = getid3_lib::BigEndian2Int(substr($atom_data, $mdat_offset, 2)))
|
||
&& ($chapter_string_length < 1000)
|
||
&& ($chapter_string_length <= (strlen($atom_data) - $mdat_offset - 2))
|
||
&& preg_match('#^[\x20-\xFF]+$#', substr($atom_data, $mdat_offset + 2, $chapter_string_length), $chapter_matches)) {
|
||
$mdat_offset += (2 + $chapter_string_length);
|
||
@$info['quicktime']['comments']['chapters'][] = $chapter_matches[0];
|
||
}
|
||
|
||
|
||
|
||
if (($atomsize > 8) && (!isset($info['avdataend_tmp']) || ($info['quicktime'][$atomname]['size'] > ($info['avdataend_tmp'] - $info['avdataoffset'])))) {
|
||
|
||
$info['avdataoffset'] = $atom_structure['offset'] + 8; // $info['quicktime'][$atomname]['offset'] + 8;
|
||
$OldAVDataEnd = $info['avdataend'];
|
||
$info['avdataend'] = $atom_structure['offset'] + $atom_structure['size']; // $info['quicktime'][$atomname]['offset'] + $info['quicktime'][$atomname]['size'];
|
||
|
||
$getid3_temp = new getID3();
|
||
$getid3_temp->openfile($this->getid3->filename);
|
||
$getid3_temp->info['avdataoffset'] = $info['avdataoffset'];
|
||
$getid3_temp->info['avdataend'] = $info['avdataend'];
|
||
$getid3_mp3 = new getid3_mp3($getid3_temp);
|
||
if ($getid3_mp3->MPEGaudioHeaderValid($getid3_mp3->MPEGaudioHeaderDecode($this->fread(4)))) {
|
||
$getid3_mp3->getOnlyMPEGaudioInfo($getid3_temp->info['avdataoffset'], false);
|
||
if (!empty($getid3_temp->info['warning'])) {
|
||
foreach ($getid3_temp->info['warning'] as $value) {
|
||
$info['warning'][] = $value;
|
||
}
|
||
}
|
||
if (!empty($getid3_temp->info['mpeg'])) {
|
||
$info['mpeg'] = $getid3_temp->info['mpeg'];
|
||
if (isset($info['mpeg']['audio'])) {
|
||
$info['audio']['dataformat'] = 'mp3';
|
||
$info['audio']['codec'] = (!empty($info['mpeg']['audio']['encoder']) ? $info['mpeg']['audio']['encoder'] : (!empty($info['mpeg']['audio']['codec']) ? $info['mpeg']['audio']['codec'] : (!empty($info['mpeg']['audio']['LAME']) ? 'LAME' :'mp3')));
|
||
$info['audio']['sample_rate'] = $info['mpeg']['audio']['sample_rate'];
|
||
$info['audio']['channels'] = $info['mpeg']['audio']['channels'];
|
||
$info['audio']['bitrate'] = $info['mpeg']['audio']['bitrate'];
|
||
$info['audio']['bitrate_mode'] = strtolower($info['mpeg']['audio']['bitrate_mode']);
|
||
$info['bitrate'] = $info['audio']['bitrate'];
|
||
}
|
||
}
|
||
}
|
||
unset($getid3_mp3, $getid3_temp);
|
||
$info['avdataend'] = $OldAVDataEnd;
|
||
unset($OldAVDataEnd);
|
||
|
||
}
|
||
|
||
unset($mdat_offset, $chapter_string_length, $chapter_matches);
|
||
break;
|
||
|
||
case 'free': // FREE space atom
|
||
case 'skip': // SKIP atom
|
||
case 'wide': // 64-bit expansion placeholder atom
|
||
// '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
|
||
$atom_structure['data'] = getid3_lib::BigEndian2Int(substr($atom_data, 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
|
||
$atom_structure['ctyp'] = substr($atom_data, 0, 4);
|
||
$info['quicktime']['controller'] = $atom_structure['ctyp'];
|
||
switch ($atom_structure['ctyp']) {
|
||
case 'qtvr':
|
||
$info['video']['dataformat'] = 'quicktimevr';
|
||
break;
|
||
}
|
||
break;
|
||
|
||
case 'pano': // PANOrama track (seen on QTVR)
|
||
$atom_structure['pano'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4));
|
||
break;
|
||
|
||
case 'hint': // HINT track
|
||
case 'hinf': //
|
||
case 'hinv': //
|
||
case 'hnti': //
|
||
$info['quicktime']['hinting'] = true;
|
||
break;
|
||
|
||
case 'imgt': // IMaGe Track reference (kQTVRImageTrackRefType) (seen on QTVR)
|
||
for ($i = 0; $i < ($atom_structure['size'] - 8); $i += 4) {
|
||
$atom_structure['imgt'][] = getid3_lib::BigEndian2Int(substr($atom_data, $i, 4));
|
||
}
|
||
break;
|
||
|
||
|
||
// Observed-but-not-handled atom types are just listed here to prevent warnings being generated
|
||
case 'FXTC': // Something to do with Adobe After Effects (?)
|
||
case 'PrmA':
|
||
case 'code':
|
||
case 'FIEL': // this is NOT "fiel" (Field Ordering) as describe here: http://developer.apple.com/documentation/QuickTime/QTFF/QTFFChap3/chapter_4_section_2.html
|
||
case 'tapt': // TrackApertureModeDimensionsAID - http://developer.apple.com/documentation/QuickTime/Reference/QT7-1_Update_Reference/Constants/Constants.html
|
||
// tapt seems to be used to compute the video size [http://www.getid3.org/phpBB3/viewtopic.php?t=838]
|
||
// * http://lists.apple.com/archives/quicktime-api/2006/Aug/msg00014.html
|
||
// * http://handbrake.fr/irclogs/handbrake-dev/handbrake-dev20080128_pg2.html
|
||
case 'ctts':// STCompositionOffsetAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html
|
||
case 'cslg':// STCompositionShiftLeastGreatestAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html
|
||
case 'sdtp':// STSampleDependencyAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html
|
||
case 'stps':// STPartialSyncSampleAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html
|
||
//$atom_structure['data'] = $atom_data;
|
||
break;
|
||
|
||
case "\xA9".'xyz': // GPS latitude+longitude+altitude
|
||
$atom_structure['data'] = $atom_data;
|
||
if (preg_match('#([\\+\\-][0-9\\.]+)([\\+\\-][0-9\\.]+)([\\+\\-][0-9\\.]+)?/$#i', $atom_data, $matches)) {
|
||
@list($all, $latitude, $longitude, $altitude) = $matches;
|
||
$info['quicktime']['comments']['gps_latitude'][] = floatval($latitude);
|
||
$info['quicktime']['comments']['gps_longitude'][] = floatval($longitude);
|
||
if (!empty($altitude)) {
|
||
$info['quicktime']['comments']['gps_altitude'][] = floatval($altitude);
|
||
}
|
||
} else {
|
||
$info['warning'][] = 'QuickTime atom "©xyz" data does not match expected data pattern at offset '.$baseoffset.'. Please report as getID3() bug.';
|
||
}
|
||
break;
|
||
|
||
case 'NCDT':
|
||
// http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html
|
||
// Nikon-specific QuickTime tags found in the NCDT atom of MOV videos from some Nikon cameras such as the Coolpix S8000 and D5100
|
||
$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 4, $atomHierarchy, $ParseAllPossibleAtoms);
|
||
break;
|
||
case 'NCTH': // Nikon Camera THumbnail image
|
||
case 'NCVW': // Nikon Camera preVieW image
|
||
// http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html
|
||
if (preg_match('/^\xFF\xD8\xFF/', $atom_data)) {
|
||
$atom_structure['data'] = $atom_data;
|
||
$atom_structure['image_mime'] = 'image/jpeg';
|
||
$atom_structure['description'] = (($atomname == 'NCTH') ? 'Nikon Camera Thumbnail Image' : (($atomname == 'NCVW') ? 'Nikon Camera Preview Image' : 'Nikon preview image'));
|
||
$info['quicktime']['comments']['picture'][] = array('image_mime'=>$atom_structure['image_mime'], 'data'=>$atom_data, 'description'=>$atom_structure['description']);
|
||
}
|
||
break;
|
||
case 'NCTG': // Nikon - http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html#NCTG
|
||
$atom_structure['data'] = $this->QuicktimeParseNikonNCTG($atom_data);
|
||
break;
|
||
case 'NCHD': // Nikon:MakerNoteVersion - http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html
|
||
case 'NCDB': // Nikon - http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html
|
||
case 'CNCV': // Canon:CompressorVersion - http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Canon.html
|
||
$atom_structure['data'] = $atom_data;
|
||
break;
|
||
|
||
case "\x00\x00\x00\x00":
|
||
case 'meta': // METAdata atom
|
||
// some kind of metacontainer, may contain a big data dump such as:
|
||
// mdta keys mdtacom.apple.quicktime.make (mdtacom.apple.quicktime.creationdate ,mdtacom.apple.quicktime.location.ISO6709 $mdtacom.apple.quicktime.software !mdtacom.apple.quicktime.model ilst data DEApple 0 (data DE2011-05-11T17:54:04+0200 2 *data DE+52.4936+013.3897+040.247/ data DE4.3.1 data DEiPhone 4
|
||
// http://www.geocities.com/xhelmboyx/quicktime/formats/qti-layout.txt
|
||
|
||
$atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
|
||
$atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3));
|
||
$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom(substr($atom_data, 4), $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);
|
||
//$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);
|
||
break;
|
||
|
||
case 'data': // metaDATA atom
|
||
// seems to be 2 bytes language code (ASCII), 2 bytes unknown (set to 0x10B5 in sample I have), remainder is useful data
|
||
$atom_structure['language'] = substr($atom_data, 4 + 0, 2);
|
||
$atom_structure['unknown'] = getid3_lib::BigEndian2Int(substr($atom_data, 4 + 2, 2));
|
||
$atom_structure['data'] = substr($atom_data, 4 + 4);
|
||
break;
|
||
|
||
default:
|
||
$info['warning'][] = 'Unknown QuickTime atom type: "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $atomname).'" ('.trim(getid3_lib::PrintHexBytes($atomname)).') at offset '.$baseoffset;
|
||
$atom_structure['data'] = $atom_data;
|
||
break;
|
||
}
|
||
array_pop($atomHierarchy);
|
||
return $atom_structure;
|
||
}
|
||
|
||
public function QuicktimeParseContainerAtom($atom_data, $baseoffset, &$atomHierarchy, $ParseAllPossibleAtoms) {
|
||
//echo 'QuicktimeParseContainerAtom('.substr($atom_data, 4, 4).') @ '.$baseoffset.'<br><br>';
|
||
$atom_structure = false;
|
||
$subatomoffset = 0;
|
||
$subatomcounter = 0;
|
||
if ((strlen($atom_data) == 4) && (getid3_lib::BigEndian2Int($atom_data) == 0x00000000)) {
|
||
return false;
|
||
}
|
||
while ($subatomoffset < strlen($atom_data)) {
|
||
$subatomsize = getid3_lib::BigEndian2Int(substr($atom_data, $subatomoffset + 0, 4));
|
||
$subatomname = substr($atom_data, $subatomoffset + 4, 4);
|
||
$subatomdata = substr($atom_data, $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 $atom_structure;
|
||
}
|
||
|
||
$atom_structure[$subatomcounter] = $this->QuicktimeParseAtom($subatomname, $subatomsize, $subatomdata, $baseoffset + $subatomoffset, $atomHierarchy, $ParseAllPossibleAtoms);
|
||
|
||
$subatomoffset += $subatomsize;
|
||
$subatomcounter++;
|
||
}
|
||
return $atom_structure;
|
||
}
|
||
|
||
|
||
public function quicktime_read_mp4_descr_length($data, &$offset) {
|
||
// http://libquicktime.sourcearchive.com/documentation/2:1.0.2plus-pdebian-2build1/esds_8c-source.html
|
||
$num_bytes = 0;
|
||
$length = 0;
|
||
do {
|
||
$b = ord(substr($data, $offset++, 1));
|
||
$length = ($length << 7) | ($b & 0x7F);
|
||
} while (($b & 0x80) && ($num_bytes++ < 4));
|
||
return $length;
|
||
}
|
||
|
||
|
||
public function QuicktimeLanguageLookup($languageid) {
|
||
// http://developer.apple.com/library/mac/#documentation/QuickTime/QTFF/QTFFChap4/qtff4.html#//apple_ref/doc/uid/TP40000939-CH206-34353
|
||
static $QuicktimeLanguageLookup = array();
|
||
if (empty($QuicktimeLanguageLookup)) {
|
||
$QuicktimeLanguageLookup[0] = 'English';
|
||
$QuicktimeLanguageLookup[1] = 'French';
|
||
$QuicktimeLanguageLookup[2] = 'German';
|
||
$QuicktimeLanguageLookup[3] = 'Italian';
|
||
$QuicktimeLanguageLookup[4] = 'Dutch';
|
||
$QuicktimeLanguageLookup[5] = 'Swedish';
|
||
$QuicktimeLanguageLookup[6] = 'Spanish';
|
||
$QuicktimeLanguageLookup[7] = 'Danish';
|
||
$QuicktimeLanguageLookup[8] = 'Portuguese';
|
||
$QuicktimeLanguageLookup[9] = 'Norwegian';
|
||
$QuicktimeLanguageLookup[10] = 'Hebrew';
|
||
$QuicktimeLanguageLookup[11] = 'Japanese';
|
||
$QuicktimeLanguageLookup[12] = 'Arabic';
|
||
$QuicktimeLanguageLookup[13] = 'Finnish';
|
||
$QuicktimeLanguageLookup[14] = 'Greek';
|
||
$QuicktimeLanguageLookup[15] = 'Icelandic';
|
||
$QuicktimeLanguageLookup[16] = 'Maltese';
|
||
$QuicktimeLanguageLookup[17] = 'Turkish';
|
||
$QuicktimeLanguageLookup[18] = 'Croatian';
|
||
$QuicktimeLanguageLookup[19] = 'Chinese (Traditional)';
|
||
$QuicktimeLanguageLookup[20] = 'Urdu';
|
||
$QuicktimeLanguageLookup[21] = 'Hindi';
|
||
$QuicktimeLanguageLookup[22] = 'Thai';
|
||
$QuicktimeLanguageLookup[23] = 'Korean';
|
||
$QuicktimeLanguageLookup[24] = 'Lithuanian';
|
||
$QuicktimeLanguageLookup[25] = 'Polish';
|
||
$QuicktimeLanguageLookup[26] = 'Hungarian';
|
||
$QuicktimeLanguageLookup[27] = 'Estonian';
|
||
$QuicktimeLanguageLookup[28] = 'Lettish';
|
||
$QuicktimeLanguageLookup[28] = 'Latvian';
|
||
$QuicktimeLanguageLookup[29] = 'Saamisk';
|
||
$QuicktimeLanguageLookup[29] = 'Lappish';
|
||
$QuicktimeLanguageLookup[30] = 'Faeroese';
|
||
$QuicktimeLanguageLookup[31] = 'Farsi';
|
||
$QuicktimeLanguageLookup[31] = 'Persian';
|
||
$QuicktimeLanguageLookup[32] = 'Russian';
|
||
$QuicktimeLanguageLookup[33] = 'Chinese (Simplified)';
|
||
$QuicktimeLanguageLookup[34] = 'Flemish';
|
||
$QuicktimeLanguageLookup[35] = 'Irish';
|
||
$QuicktimeLanguageLookup[36] = 'Albanian';
|
||
$QuicktimeLanguageLookup[37] = 'Romanian';
|
||
$QuicktimeLanguageLookup[38] = 'Czech';
|
||
$QuicktimeLanguageLookup[39] = 'Slovak';
|
||
$QuicktimeLanguageLookup[40] = 'Slovenian';
|
||
$QuicktimeLanguageLookup[41] = 'Yiddish';
|
||
$QuicktimeLanguageLookup[42] = 'Serbian';
|
||
$QuicktimeLanguageLookup[43] = 'Macedonian';
|
||
$QuicktimeLanguageLookup[44] = 'Bulgarian';
|
||
$QuicktimeLanguageLookup[45] = 'Ukrainian';
|
||
$QuicktimeLanguageLookup[46] = 'Byelorussian';
|
||
$QuicktimeLanguageLookup[47] = 'Uzbek';
|
||
$QuicktimeLanguageLookup[48] = 'Kazakh';
|
||
$QuicktimeLanguageLookup[49] = 'Azerbaijani';
|
||
$QuicktimeLanguageLookup[50] = 'AzerbaijanAr';
|
||
$QuicktimeLanguageLookup[51] = 'Armenian';
|
||
$QuicktimeLanguageLookup[52] = 'Georgian';
|
||
$QuicktimeLanguageLookup[53] = 'Moldavian';
|
||
$QuicktimeLanguageLookup[54] = 'Kirghiz';
|
||
$QuicktimeLanguageLookup[55] = 'Tajiki';
|
||
$QuicktimeLanguageLookup[56] = 'Turkmen';
|
||
$QuicktimeLanguageLookup[57] = 'Mongolian';
|
||
$QuicktimeLanguageLookup[58] = 'MongolianCyr';
|
||
$QuicktimeLanguageLookup[59] = 'Pashto';
|
||
$QuicktimeLanguageLookup[60] = 'Kurdish';
|
||
$QuicktimeLanguageLookup[61] = 'Kashmiri';
|
||
$QuicktimeLanguageLookup[62] = 'Sindhi';
|
||
$QuicktimeLanguageLookup[63] = 'Tibetan';
|
||
$QuicktimeLanguageLookup[64] = 'Nepali';
|
||
$QuicktimeLanguageLookup[65] = 'Sanskrit';
|
||
$QuicktimeLanguageLookup[66] = 'Marathi';
|
||
$QuicktimeLanguageLookup[67] = 'Bengali';
|
||
$QuicktimeLanguageLookup[68] = 'Assamese';
|
||
$QuicktimeLanguageLookup[69] = 'Gujarati';
|
||
$QuicktimeLanguageLookup[70] = 'Punjabi';
|
||
$QuicktimeLanguageLookup[71] = 'Oriya';
|
||
$QuicktimeLanguageLookup[72] = 'Malayalam';
|
||
$QuicktimeLanguageLookup[73] = 'Kannada';
|
||
$QuicktimeLanguageLookup[74] = 'Tamil';
|
||
$QuicktimeLanguageLookup[75] = 'Telugu';
|
||
$QuicktimeLanguageLookup[76] = 'Sinhalese';
|
||
$QuicktimeLanguageLookup[77] = 'Burmese';
|
||
$QuicktimeLanguageLookup[78] = 'Khmer';
|
||
$QuicktimeLanguageLookup[79] = 'Lao';
|
||
$QuicktimeLanguageLookup[80] = 'Vietnamese';
|
||
$QuicktimeLanguageLookup[81] = 'Indonesian';
|
||
$QuicktimeLanguageLookup[82] = 'Tagalog';
|
||
$QuicktimeLanguageLookup[83] = 'MalayRoman';
|
||
$QuicktimeLanguageLookup[84] = 'MalayArabic';
|
||
$QuicktimeLanguageLookup[85] = 'Amharic';
|
||
$QuicktimeLanguageLookup[86] = 'Tigrinya';
|
||
$QuicktimeLanguageLookup[87] = 'Galla';
|
||
$QuicktimeLanguageLookup[87] = 'Oromo';
|
||
$QuicktimeLanguageLookup[88] = 'Somali';
|
||
$QuicktimeLanguageLookup[89] = 'Swahili';
|
||
$QuicktimeLanguageLookup[90] = 'Ruanda';
|
||
$QuicktimeLanguageLookup[91] = 'Rundi';
|
||
$QuicktimeLanguageLookup[92] = 'Chewa';
|
||
$QuicktimeLanguageLookup[93] = 'Malagasy';
|
||
$QuicktimeLanguageLookup[94] = 'Esperanto';
|
||
$QuicktimeLanguageLookup[128] = 'Welsh';
|
||
$QuicktimeLanguageLookup[129] = 'Basque';
|
||
$QuicktimeLanguageLookup[130] = 'Catalan';
|
||
$QuicktimeLanguageLookup[131] = 'Latin';
|
||
$QuicktimeLanguageLookup[132] = 'Quechua';
|
||
$QuicktimeLanguageLookup[133] = 'Guarani';
|
||
$QuicktimeLanguageLookup[134] = 'Aymara';
|
||
$QuicktimeLanguageLookup[135] = 'Tatar';
|
||
$QuicktimeLanguageLookup[136] = 'Uighur';
|
||
$QuicktimeLanguageLookup[137] = 'Dzongkha';
|
||
$QuicktimeLanguageLookup[138] = 'JavaneseRom';
|
||
$QuicktimeLanguageLookup[32767] = 'Unspecified';
|
||
}
|
||
if (($languageid > 138) && ($languageid < 32767)) {
|
||
/*
|
||
ISO Language Codes - http://www.loc.gov/standards/iso639-2/php/code_list.php
|
||
Because the language codes specified by ISO 639-2/T are three characters long, they must be packed to fit into a 16-bit field.
|
||
The packing algorithm must map each of the three characters, which are always lowercase, into a 5-bit integer and then concatenate
|
||
these integers into the least significant 15 bits of a 16-bit integer, leaving the 16-bit integer's most significant bit set to zero.
|
||
|
||
One algorithm for performing this packing is to treat each ISO character as a 16-bit integer. Subtract 0x60 from the first character
|
||
and multiply by 2^10 (0x400), subtract 0x60 from the second character and multiply by 2^5 (0x20), subtract 0x60 from the third character,
|
||
and add the three 16-bit values. This will result in a single 16-bit value with the three codes correctly packed into the 15 least
|
||
significant bits and the most significant bit set to zero.
|
||
*/
|
||
$iso_language_id = '';
|
||
$iso_language_id .= chr((($languageid & 0x7C00) >> 10) + 0x60);
|
||
$iso_language_id .= chr((($languageid & 0x03E0) >> 5) + 0x60);
|
||
$iso_language_id .= chr((($languageid & 0x001F) >> 0) + 0x60);
|
||
$QuicktimeLanguageLookup[$languageid] = getid3_id3v2::LanguageLookup($iso_language_id);
|
||
}
|
||
return (isset($QuicktimeLanguageLookup[$languageid]) ? $QuicktimeLanguageLookup[$languageid] : 'invalid');
|
||
}
|
||
|
||
public function QuicktimeVideoCodecLookup($codecid) {
|
||
static $QuicktimeVideoCodecLookup = array();
|
||
if (empty($QuicktimeVideoCodecLookup)) {
|
||
$QuicktimeVideoCodecLookup['.SGI'] = 'SGI';
|
||
$QuicktimeVideoCodecLookup['3IV1'] = '3ivx MPEG-4 v1';
|
||
$QuicktimeVideoCodecLookup['3IV2'] = '3ivx MPEG-4 v2';
|
||
$QuicktimeVideoCodecLookup['3IVX'] = '3ivx MPEG-4';
|
||
$QuicktimeVideoCodecLookup['8BPS'] = 'Planar RGB';
|
||
$QuicktimeVideoCodecLookup['avc1'] = 'H.264/MPEG-4 AVC';
|
||
$QuicktimeVideoCodecLookup['avr '] = 'AVR-JPEG';
|
||
$QuicktimeVideoCodecLookup['b16g'] = '16Gray';
|
||
$QuicktimeVideoCodecLookup['b32a'] = '32AlphaGray';
|
||
$QuicktimeVideoCodecLookup['b48r'] = '48RGB';
|
||
$QuicktimeVideoCodecLookup['b64a'] = '64ARGB';
|
||
$QuicktimeVideoCodecLookup['base'] = 'Base';
|
||
$QuicktimeVideoCodecLookup['clou'] = 'Cloud';
|
||
$QuicktimeVideoCodecLookup['cmyk'] = 'CMYK';
|
||
$QuicktimeVideoCodecLookup['cvid'] = 'Cinepak';
|
||
$QuicktimeVideoCodecLookup['dmb1'] = 'OpenDML JPEG';
|
||
$QuicktimeVideoCodecLookup['dvc '] = 'DVC-NTSC';
|
||
$QuicktimeVideoCodecLookup['dvcp'] = 'DVC-PAL';
|
||
$QuicktimeVideoCodecLookup['dvpn'] = 'DVCPro-NTSC';
|
||
$QuicktimeVideoCodecLookup['dvpp'] = 'DVCPro-PAL';
|
||
$QuicktimeVideoCodecLookup['fire'] = 'Fire';
|
||
$QuicktimeVideoCodecLookup['flic'] = 'FLC';
|
||
$QuicktimeVideoCodecLookup['gif '] = 'GIF';
|
||
$QuicktimeVideoCodecLookup['h261'] = 'H261';
|
||
$QuicktimeVideoCodecLookup['h263'] = 'H263';
|
||
$QuicktimeVideoCodecLookup['IV41'] = 'Indeo4';
|
||
$QuicktimeVideoCodecLookup['jpeg'] = 'JPEG';
|
||
$QuicktimeVideoCodecLookup['kpcd'] = 'PhotoCD';
|
||
$QuicktimeVideoCodecLookup['mjpa'] = 'Motion JPEG-A';
|
||
$QuicktimeVideoCodecLookup['mjpb'] = 'Motion JPEG-B';
|
||
$QuicktimeVideoCodecLookup['msvc'] = 'Microsoft Video1';
|
||
$QuicktimeVideoCodecLookup['myuv'] = 'MPEG YUV420';
|
||
$QuicktimeVideoCodecLookup['path'] = 'Vector';
|
||
$QuicktimeVideoCodecLookup['png '] = 'PNG';
|
||
$QuicktimeVideoCodecLookup['PNTG'] = 'MacPaint';
|
||
$QuicktimeVideoCodecLookup['qdgx'] = 'QuickDrawGX';
|
||
$QuicktimeVideoCodecLookup['qdrw'] = 'QuickDraw';
|
||
$QuicktimeVideoCodecLookup['raw '] = 'RAW';
|
||
$QuicktimeVideoCodecLookup['ripl'] = 'WaterRipple';
|
||
$QuicktimeVideoCodecLookup['rpza'] = 'Video';
|
||
$QuicktimeVideoCodecLookup['smc '] = 'Graphics';
|
||
$QuicktimeVideoCodecLookup['SVQ1'] = 'Sorenson Video 1';
|
||
$QuicktimeVideoCodecLookup['SVQ1'] = 'Sorenson Video 3';
|
||
$QuicktimeVideoCodecLookup['syv9'] = 'Sorenson YUV9';
|
||
$QuicktimeVideoCodecLookup['tga '] = 'Targa';
|
||
$QuicktimeVideoCodecLookup['tiff'] = 'TIFF';
|
||
$QuicktimeVideoCodecLookup['WRAW'] = 'Windows RAW';
|
||
$QuicktimeVideoCodecLookup['WRLE'] = 'BMP';
|
||
$QuicktimeVideoCodecLookup['y420'] = 'YUV420';
|
||
$QuicktimeVideoCodecLookup['yuv2'] = 'ComponentVideo';
|
||
$QuicktimeVideoCodecLookup['yuvs'] = 'ComponentVideoUnsigned';
|
||
$QuicktimeVideoCodecLookup['yuvu'] = 'ComponentVideoSigned';
|
||
}
|
||
return (isset($QuicktimeVideoCodecLookup[$codecid]) ? $QuicktimeVideoCodecLookup[$codecid] : '');
|
||
}
|
||
|
||
public function QuicktimeAudioCodecLookup($codecid) {
|
||
static $QuicktimeAudioCodecLookup = array();
|
||
if (empty($QuicktimeAudioCodecLookup)) {
|
||
$QuicktimeAudioCodecLookup['.mp3'] = 'Fraunhofer MPEG Layer-III alias';
|
||
$QuicktimeAudioCodecLookup['aac '] = 'ISO/IEC 14496-3 AAC';
|
||
$QuicktimeAudioCodecLookup['agsm'] = 'Apple GSM 10:1';
|
||
$QuicktimeAudioCodecLookup['alac'] = 'Apple Lossless Audio Codec';
|
||
$QuicktimeAudioCodecLookup['alaw'] = 'A-law 2:1';
|
||
$QuicktimeAudioCodecLookup['conv'] = 'Sample Format';
|
||
$QuicktimeAudioCodecLookup['dvca'] = 'DV';
|
||
$QuicktimeAudioCodecLookup['dvi '] = 'DV 4:1';
|
||
$QuicktimeAudioCodecLookup['eqal'] = 'Frequency Equalizer';
|
||
$QuicktimeAudioCodecLookup['fl32'] = '32-bit Floating Point';
|
||
$QuicktimeAudioCodecLookup['fl64'] = '64-bit Floating Point';
|
||
$QuicktimeAudioCodecLookup['ima4'] = 'Interactive Multimedia Association 4:1';
|
||
$QuicktimeAudioCodecLookup['in24'] = '24-bit Integer';
|
||
$QuicktimeAudioCodecLookup['in32'] = '32-bit Integer';
|
||
$QuicktimeAudioCodecLookup['lpc '] = 'LPC 23:1';
|
||
$QuicktimeAudioCodecLookup['MAC3'] = 'Macintosh Audio Compression/Expansion (MACE) 3:1';
|
||
$QuicktimeAudioCodecLookup['MAC6'] = 'Macintosh Audio Compression/Expansion (MACE) 6:1';
|
||
$QuicktimeAudioCodecLookup['mixb'] = '8-bit Mixer';
|
||
$QuicktimeAudioCodecLookup['mixw'] = '16-bit Mixer';
|
||
$QuicktimeAudioCodecLookup['mp4a'] = 'ISO/IEC 14496-3 AAC';
|
||
$QuicktimeAudioCodecLookup['MS'."\x00\x02"] = 'Microsoft ADPCM';
|
||
$QuicktimeAudioCodecLookup['MS'."\x00\x11"] = 'DV IMA';
|
||
$QuicktimeAudioCodecLookup['MS'."\x00\x55"] = 'Fraunhofer MPEG Layer III';
|
||
$QuicktimeAudioCodecLookup['NONE'] = 'No Encoding';
|
||
$QuicktimeAudioCodecLookup['Qclp'] = 'Qualcomm PureVoice';
|
||
$QuicktimeAudioCodecLookup['QDM2'] = 'QDesign Music 2';
|
||
$QuicktimeAudioCodecLookup['QDMC'] = 'QDesign Music 1';
|
||
$QuicktimeAudioCodecLookup['ratb'] = '8-bit Rate';
|
||
$QuicktimeAudioCodecLookup['ratw'] = '16-bit Rate';
|
||
$QuicktimeAudioCodecLookup['raw '] = 'raw PCM';
|
||
$QuicktimeAudioCodecLookup['sour'] = 'Sound Source';
|
||
$QuicktimeAudioCodecLookup['sowt'] = 'signed/two\'s complement (Little Endian)';
|
||
$QuicktimeAudioCodecLookup['str1'] = 'Iomega MPEG layer II';
|
||
$QuicktimeAudioCodecLookup['str2'] = 'Iomega MPEG *layer II';
|
||
$QuicktimeAudioCodecLookup['str3'] = 'Iomega MPEG **layer II';
|
||
$QuicktimeAudioCodecLookup['str4'] = 'Iomega MPEG ***layer II';
|
||
$QuicktimeAudioCodecLookup['twos'] = 'signed/two\'s complement (Big Endian)';
|
||
$QuicktimeAudioCodecLookup['ulaw'] = 'mu-law 2:1';
|
||
}
|
||
return (isset($QuicktimeAudioCodecLookup[$codecid]) ? $QuicktimeAudioCodecLookup[$codecid] : '');
|
||
}
|
||
|
||
public function QuicktimeDCOMLookup($compressionid) {
|
||
static $QuicktimeDCOMLookup = array();
|
||
if (empty($QuicktimeDCOMLookup)) {
|
||
$QuicktimeDCOMLookup['zlib'] = 'ZLib Deflate';
|
||
$QuicktimeDCOMLookup['adec'] = 'Apple Compression';
|
||
}
|
||
return (isset($QuicktimeDCOMLookup[$compressionid]) ? $QuicktimeDCOMLookup[$compressionid] : '');
|
||
}
|
||
|
||
public function QuicktimeColorNameLookup($colordepthid) {
|
||
static $QuicktimeColorNameLookup = array();
|
||
if (empty($QuicktimeColorNameLookup)) {
|
||
$QuicktimeColorNameLookup[1] = '2-color (monochrome)';
|
||
$QuicktimeColorNameLookup[2] = '4-color';
|
||
$QuicktimeColorNameLookup[4] = '16-color';
|
||
$QuicktimeColorNameLookup[8] = '256-color';
|
||
$QuicktimeColorNameLookup[16] = 'thousands (16-bit color)';
|
||
$QuicktimeColorNameLookup[24] = 'millions (24-bit color)';
|
||
$QuicktimeColorNameLookup[32] = 'millions+ (32-bit color)';
|
||
$QuicktimeColorNameLookup[33] = 'black & white';
|
||
$QuicktimeColorNameLookup[34] = '4-gray';
|
||
$QuicktimeColorNameLookup[36] = '16-gray';
|
||
$QuicktimeColorNameLookup[40] = '256-gray';
|
||
}
|
||
return (isset($QuicktimeColorNameLookup[$colordepthid]) ? $QuicktimeColorNameLookup[$colordepthid] : 'invalid');
|
||
}
|
||
|
||
public function QuicktimeSTIKLookup($stik) {
|
||
static $QuicktimeSTIKLookup = array();
|
||
if (empty($QuicktimeSTIKLookup)) {
|
||
$QuicktimeSTIKLookup[0] = 'Movie';
|
||
$QuicktimeSTIKLookup[1] = 'Normal';
|
||
$QuicktimeSTIKLookup[2] = 'Audiobook';
|
||
$QuicktimeSTIKLookup[5] = 'Whacked Bookmark';
|
||
$QuicktimeSTIKLookup[6] = 'Music Video';
|
||
$QuicktimeSTIKLookup[9] = 'Short Film';
|
||
$QuicktimeSTIKLookup[10] = 'TV Show';
|
||
$QuicktimeSTIKLookup[11] = 'Booklet';
|
||
$QuicktimeSTIKLookup[14] = 'Ringtone';
|
||
$QuicktimeSTIKLookup[21] = 'Podcast';
|
||
}
|
||
return (isset($QuicktimeSTIKLookup[$stik]) ? $QuicktimeSTIKLookup[$stik] : 'invalid');
|
||
}
|
||
|
||
public function QuicktimeIODSaudioProfileName($audio_profile_id) {
|
||
static $QuicktimeIODSaudioProfileNameLookup = array();
|
||
if (empty($QuicktimeIODSaudioProfileNameLookup)) {
|
||
$QuicktimeIODSaudioProfileNameLookup = array(
|
||
0x00 => 'ISO Reserved (0x00)',
|
||
0x01 => 'Main Audio Profile @ Level 1',
|
||
0x02 => 'Main Audio Profile @ Level 2',
|
||
0x03 => 'Main Audio Profile @ Level 3',
|
||
0x04 => 'Main Audio Profile @ Level 4',
|
||
0x05 => 'Scalable Audio Profile @ Level 1',
|
||
0x06 => 'Scalable Audio Profile @ Level 2',
|
||
0x07 => 'Scalable Audio Profile @ Level 3',
|
||
0x08 => 'Scalable Audio Profile @ Level 4',
|
||
0x09 => 'Speech Audio Profile @ Level 1',
|
||
0x0A => 'Speech Audio Profile @ Level 2',
|
||
0x0B => 'Synthetic Audio Profile @ Level 1',
|
||
0x0C => 'Synthetic Audio Profile @ Level 2',
|
||
0x0D => 'Synthetic Audio Profile @ Level 3',
|
||
0x0E => 'High Quality Audio Profile @ Level 1',
|
||
0x0F => 'High Quality Audio Profile @ Level 2',
|
||
0x10 => 'High Quality Audio Profile @ Level 3',
|
||
0x11 => 'High Quality Audio Profile @ Level 4',
|
||
0x12 => 'High Quality Audio Profile @ Level 5',
|
||
0x13 => 'High Quality Audio Profile @ Level 6',
|
||
0x14 => 'High Quality Audio Profile @ Level 7',
|
||
0x15 => 'High Quality Audio Profile @ Level 8',
|
||
0x16 => 'Low Delay Audio Profile @ Level 1',
|
||
0x17 => 'Low Delay Audio Profile @ Level 2',
|
||
0x18 => 'Low Delay Audio Profile @ Level 3',
|
||
0x19 => 'Low Delay Audio Profile @ Level 4',
|
||
0x1A => 'Low Delay Audio Profile @ Level 5',
|
||
0x1B => 'Low Delay Audio Profile @ Level 6',
|
||
0x1C => 'Low Delay Audio Profile @ Level 7',
|
||
0x1D => 'Low Delay Audio Profile @ Level 8',
|
||
0x1E => 'Natural Audio Profile @ Level 1',
|
||
0x1F => 'Natural Audio Profile @ Level 2',
|
||
0x20 => 'Natural Audio Profile @ Level 3',
|
||
0x21 => 'Natural Audio Profile @ Level 4',
|
||
0x22 => 'Mobile Audio Internetworking Profile @ Level 1',
|
||
0x23 => 'Mobile Audio Internetworking Profile @ Level 2',
|
||
0x24 => 'Mobile Audio Internetworking Profile @ Level 3',
|
||
0x25 => 'Mobile Audio Internetworking Profile @ Level 4',
|
||
0x26 => 'Mobile Audio Internetworking Profile @ Level 5',
|
||
0x27 => 'Mobile Audio Internetworking Profile @ Level 6',
|
||
0x28 => 'AAC Profile @ Level 1',
|
||
0x29 => 'AAC Profile @ Level 2',
|
||
0x2A => 'AAC Profile @ Level 4',
|
||
0x2B => 'AAC Profile @ Level 5',
|
||
0x2C => 'High Efficiency AAC Profile @ Level 2',
|
||
0x2D => 'High Efficiency AAC Profile @ Level 3',
|
||
0x2E => 'High Efficiency AAC Profile @ Level 4',
|
||
0x2F => 'High Efficiency AAC Profile @ Level 5',
|
||
0xFE => 'Not part of MPEG-4 audio profiles',
|
||
0xFF => 'No audio capability required',
|
||
);
|
||
}
|
||
return (isset($QuicktimeIODSaudioProfileNameLookup[$audio_profile_id]) ? $QuicktimeIODSaudioProfileNameLookup[$audio_profile_id] : 'ISO Reserved / User Private');
|
||
}
|
||
|
||
|
||
public function QuicktimeIODSvideoProfileName($video_profile_id) {
|
||
static $QuicktimeIODSvideoProfileNameLookup = array();
|
||
if (empty($QuicktimeIODSvideoProfileNameLookup)) {
|
||
$QuicktimeIODSvideoProfileNameLookup = array(
|
||
0x00 => 'Reserved (0x00) Profile',
|
||
0x01 => 'Simple Profile @ Level 1',
|
||
0x02 => 'Simple Profile @ Level 2',
|
||
0x03 => 'Simple Profile @ Level 3',
|
||
0x08 => 'Simple Profile @ Level 0',
|
||
0x10 => 'Simple Scalable Profile @ Level 0',
|
||
0x11 => 'Simple Scalable Profile @ Level 1',
|
||
0x12 => 'Simple Scalable Profile @ Level 2',
|
||
0x15 => 'AVC/H264 Profile',
|
||
0x21 => 'Core Profile @ Level 1',
|
||
0x22 => 'Core Profile @ Level 2',
|
||
0x32 => 'Main Profile @ Level 2',
|
||
0x33 => 'Main Profile @ Level 3',
|
||
0x34 => 'Main Profile @ Level 4',
|
||
0x42 => 'N-bit Profile @ Level 2',
|
||
0x51 => 'Scalable Texture Profile @ Level 1',
|
||
0x61 => 'Simple Face Animation Profile @ Level 1',
|
||
0x62 => 'Simple Face Animation Profile @ Level 2',
|
||
0x63 => 'Simple FBA Profile @ Level 1',
|
||
0x64 => 'Simple FBA Profile @ Level 2',
|
||
0x71 => 'Basic Animated Texture Profile @ Level 1',
|
||
0x72 => 'Basic Animated Texture Profile @ Level 2',
|
||
0x81 => 'Hybrid Profile @ Level 1',
|
||
0x82 => 'Hybrid Profile @ Level 2',
|
||
0x91 => 'Advanced Real Time Simple Profile @ Level 1',
|
||
0x92 => 'Advanced Real Time Simple Profile @ Level 2',
|
||
0x93 => 'Advanced Real Time Simple Profile @ Level 3',
|
||
0x94 => 'Advanced Real Time Simple Profile @ Level 4',
|
||
0xA1 => 'Core Scalable Profile @ Level1',
|
||
0xA2 => 'Core Scalable Profile @ Level2',
|
||
0xA3 => 'Core Scalable Profile @ Level3',
|
||
0xB1 => 'Advanced Coding Efficiency Profile @ Level 1',
|
||
0xB2 => 'Advanced Coding Efficiency Profile @ Level 2',
|
||
0xB3 => 'Advanced Coding Efficiency Profile @ Level 3',
|
||
0xB4 => 'Advanced Coding Efficiency Profile @ Level 4',
|
||
0xC1 => 'Advanced Core Profile @ Level 1',
|
||
0xC2 => 'Advanced Core Profile @ Level 2',
|
||
0xD1 => 'Advanced Scalable Texture @ Level1',
|
||
0xD2 => 'Advanced Scalable Texture @ Level2',
|
||
0xE1 => 'Simple Studio Profile @ Level 1',
|
||
0xE2 => 'Simple Studio Profile @ Level 2',
|
||
0xE3 => 'Simple Studio Profile @ Level 3',
|
||
0xE4 => 'Simple Studio Profile @ Level 4',
|
||
0xE5 => 'Core Studio Profile @ Level 1',
|
||
0xE6 => 'Core Studio Profile @ Level 2',
|
||
0xE7 => 'Core Studio Profile @ Level 3',
|
||
0xE8 => 'Core Studio Profile @ Level 4',
|
||
0xF0 => 'Advanced Simple Profile @ Level 0',
|
||
0xF1 => 'Advanced Simple Profile @ Level 1',
|
||
0xF2 => 'Advanced Simple Profile @ Level 2',
|
||
0xF3 => 'Advanced Simple Profile @ Level 3',
|
||
0xF4 => 'Advanced Simple Profile @ Level 4',
|
||
0xF5 => 'Advanced Simple Profile @ Level 5',
|
||
0xF7 => 'Advanced Simple Profile @ Level 3b',
|
||
0xF8 => 'Fine Granularity Scalable Profile @ Level 0',
|
||
0xF9 => 'Fine Granularity Scalable Profile @ Level 1',
|
||
0xFA => 'Fine Granularity Scalable Profile @ Level 2',
|
||
0xFB => 'Fine Granularity Scalable Profile @ Level 3',
|
||
0xFC => 'Fine Granularity Scalable Profile @ Level 4',
|
||
0xFD => 'Fine Granularity Scalable Profile @ Level 5',
|
||
0xFE => 'Not part of MPEG-4 Visual profiles',
|
||
0xFF => 'No visual capability required',
|
||
);
|
||
}
|
||
return (isset($QuicktimeIODSvideoProfileNameLookup[$video_profile_id]) ? $QuicktimeIODSvideoProfileNameLookup[$video_profile_id] : 'ISO Reserved Profile');
|
||
}
|
||
|
||
|
||
public function QuicktimeContentRatingLookup($rtng) {
|
||
static $QuicktimeContentRatingLookup = array();
|
||
if (empty($QuicktimeContentRatingLookup)) {
|
||
$QuicktimeContentRatingLookup[0] = 'None';
|
||
$QuicktimeContentRatingLookup[2] = 'Clean';
|
||
$QuicktimeContentRatingLookup[4] = 'Explicit';
|
||
}
|
||
return (isset($QuicktimeContentRatingLookup[$rtng]) ? $QuicktimeContentRatingLookup[$rtng] : 'invalid');
|
||
}
|
||
|
||
public function QuicktimeStoreAccountTypeLookup($akid) {
|
||
static $QuicktimeStoreAccountTypeLookup = array();
|
||
if (empty($QuicktimeStoreAccountTypeLookup)) {
|
||
$QuicktimeStoreAccountTypeLookup[0] = 'iTunes';
|
||
$QuicktimeStoreAccountTypeLookup[1] = 'AOL';
|
||
}
|
||
return (isset($QuicktimeStoreAccountTypeLookup[$akid]) ? $QuicktimeStoreAccountTypeLookup[$akid] : 'invalid');
|
||
}
|
||
|
||
public function QuicktimeStoreFrontCodeLookup($sfid) {
|
||
static $QuicktimeStoreFrontCodeLookup = array();
|
||
if (empty($QuicktimeStoreFrontCodeLookup)) {
|
||
$QuicktimeStoreFrontCodeLookup[143460] = 'Australia';
|
||
$QuicktimeStoreFrontCodeLookup[143445] = 'Austria';
|
||
$QuicktimeStoreFrontCodeLookup[143446] = 'Belgium';
|
||
$QuicktimeStoreFrontCodeLookup[143455] = 'Canada';
|
||
$QuicktimeStoreFrontCodeLookup[143458] = 'Denmark';
|
||
$QuicktimeStoreFrontCodeLookup[143447] = 'Finland';
|
||
$QuicktimeStoreFrontCodeLookup[143442] = 'France';
|
||
$QuicktimeStoreFrontCodeLookup[143443] = 'Germany';
|
||
$QuicktimeStoreFrontCodeLookup[143448] = 'Greece';
|
||
$QuicktimeStoreFrontCodeLookup[143449] = 'Ireland';
|
||
$QuicktimeStoreFrontCodeLookup[143450] = 'Italy';
|
||
$QuicktimeStoreFrontCodeLookup[143462] = 'Japan';
|
||
$QuicktimeStoreFrontCodeLookup[143451] = 'Luxembourg';
|
||
$QuicktimeStoreFrontCodeLookup[143452] = 'Netherlands';
|
||
$QuicktimeStoreFrontCodeLookup[143461] = 'New Zealand';
|
||
$QuicktimeStoreFrontCodeLookup[143457] = 'Norway';
|
||
$QuicktimeStoreFrontCodeLookup[143453] = 'Portugal';
|
||
$QuicktimeStoreFrontCodeLookup[143454] = 'Spain';
|
||
$QuicktimeStoreFrontCodeLookup[143456] = 'Sweden';
|
||
$QuicktimeStoreFrontCodeLookup[143459] = 'Switzerland';
|
||
$QuicktimeStoreFrontCodeLookup[143444] = 'United Kingdom';
|
||
$QuicktimeStoreFrontCodeLookup[143441] = 'United States';
|
||
}
|
||
return (isset($QuicktimeStoreFrontCodeLookup[$sfid]) ? $QuicktimeStoreFrontCodeLookup[$sfid] : 'invalid');
|
||
}
|
||
|
||
public function QuicktimeParseNikonNCTG($atom_data) {
|
||
// http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html#NCTG
|
||
// Nikon-specific QuickTime tags found in the NCDT atom of MOV videos from some Nikon cameras such as the Coolpix S8000 and D5100
|
||
// Data is stored as records of:
|
||
// * 4 bytes record type
|
||
// * 2 bytes size of data field type:
|
||
// 0x0001 = flag (size field *= 1-byte)
|
||
// 0x0002 = char (size field *= 1-byte)
|
||
// 0x0003 = DWORD+ (size field *= 2-byte), values are stored CDAB
|
||
// 0x0004 = QWORD+ (size field *= 4-byte), values are stored EFGHABCD
|
||
// 0x0005 = float (size field *= 8-byte), values are stored aaaabbbb where value is aaaa/bbbb; possibly multiple sets of values appended together
|
||
// 0x0007 = bytes (size field *= 1-byte), values are stored as ??????
|
||
// 0x0008 = ????? (size field *= 2-byte), values are stored as ??????
|
||
// * 2 bytes data size field
|
||
// * ? bytes data (string data may be null-padded; datestamp fields are in the format "2011:05:25 20:24:15")
|
||
// all integers are stored BigEndian
|
||
|
||
$NCTGtagName = array(
|
||
0x00000001 => 'Make',
|
||
0x00000002 => 'Model',
|
||
0x00000003 => 'Software',
|
||
0x00000011 => 'CreateDate',
|
||
0x00000012 => 'DateTimeOriginal',
|
||
0x00000013 => 'FrameCount',
|
||
0x00000016 => 'FrameRate',
|
||
0x00000022 => 'FrameWidth',
|
||
0x00000023 => 'FrameHeight',
|
||
0x00000032 => 'AudioChannels',
|
||
0x00000033 => 'AudioBitsPerSample',
|
||
0x00000034 => 'AudioSampleRate',
|
||
0x02000001 => 'MakerNoteVersion',
|
||
0x02000005 => 'WhiteBalance',
|
||
0x0200000b => 'WhiteBalanceFineTune',
|
||
0x0200001e => 'ColorSpace',
|
||
0x02000023 => 'PictureControlData',
|
||
0x02000024 => 'WorldTime',
|
||
0x02000032 => 'UnknownInfo',
|
||
0x02000083 => 'LensType',
|
||
0x02000084 => 'Lens',
|
||
);
|
||
|
||
$offset = 0;
|
||
$datalength = strlen($atom_data);
|
||
$parsed = array();
|
||
while ($offset < $datalength) {
|
||
//echo getid3_lib::PrintHexBytes(substr($atom_data, $offset, 4)).'<br>';
|
||
$record_type = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 4)); $offset += 4;
|
||
$data_size_type = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 2)); $offset += 2;
|
||
$data_size = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 2)); $offset += 2;
|
||
switch ($data_size_type) {
|
||
case 0x0001: // 0x0001 = flag (size field *= 1-byte)
|
||
$data = getid3_lib::BigEndian2Int(substr($atom_data, $offset, $data_size * 1));
|
||
$offset += ($data_size * 1);
|
||
break;
|
||
case 0x0002: // 0x0002 = char (size field *= 1-byte)
|
||
$data = substr($atom_data, $offset, $data_size * 1);
|
||
$offset += ($data_size * 1);
|
||
$data = rtrim($data, "\x00");
|
||
break;
|
||
case 0x0003: // 0x0003 = DWORD+ (size field *= 2-byte), values are stored CDAB
|
||
$data = '';
|
||
for ($i = $data_size - 1; $i >= 0; $i--) {
|
||
$data .= substr($atom_data, $offset + ($i * 2), 2);
|
||
}
|
||
$data = getid3_lib::BigEndian2Int($data);
|
||
$offset += ($data_size * 2);
|
||
break;
|
||
case 0x0004: // 0x0004 = QWORD+ (size field *= 4-byte), values are stored EFGHABCD
|
||
$data = '';
|
||
for ($i = $data_size - 1; $i >= 0; $i--) {
|
||
$data .= substr($atom_data, $offset + ($i * 4), 4);
|
||
}
|
||
$data = getid3_lib::BigEndian2Int($data);
|
||
$offset += ($data_size * 4);
|
||
break;
|
||
case 0x0005: // 0x0005 = float (size field *= 8-byte), values are stored aaaabbbb where value is aaaa/bbbb; possibly multiple sets of values appended together
|
||
$data = array();
|
||
for ($i = 0; $i < $data_size; $i++) {
|
||
$numerator = getid3_lib::BigEndian2Int(substr($atom_data, $offset + ($i * 8) + 0, 4));
|
||
$denomninator = getid3_lib::BigEndian2Int(substr($atom_data, $offset + ($i * 8) + 4, 4));
|
||
if ($denomninator == 0) {
|
||
$data[$i] = false;
|
||
} else {
|
||
$data[$i] = (double) $numerator / $denomninator;
|
||
}
|
||
}
|
||
$offset += (8 * $data_size);
|
||
if (count($data) == 1) {
|
||
$data = $data[0];
|
||
}
|
||
break;
|
||
case 0x0007: // 0x0007 = bytes (size field *= 1-byte), values are stored as ??????
|
||
$data = substr($atom_data, $offset, $data_size * 1);
|
||
$offset += ($data_size * 1);
|
||
break;
|
||
case 0x0008: // 0x0008 = ????? (size field *= 2-byte), values are stored as ??????
|
||
$data = substr($atom_data, $offset, $data_size * 2);
|
||
$offset += ($data_size * 2);
|
||
break;
|
||
default:
|
||
echo 'QuicktimeParseNikonNCTG()::unknown $data_size_type: '.$data_size_type.'<br>';
|
||
break 2;
|
||
}
|
||
|
||
switch ($record_type) {
|
||
case 0x00000011: // CreateDate
|
||
case 0x00000012: // DateTimeOriginal
|
||
$data = strtotime($data);
|
||
break;
|
||
case 0x0200001e: // ColorSpace
|
||
switch ($data) {
|
||
case 1:
|
||
$data = 'sRGB';
|
||
break;
|
||
case 2:
|
||
$data = 'Adobe RGB';
|
||
break;
|
||
}
|
||
break;
|
||
case 0x02000023: // PictureControlData
|
||
$PictureControlAdjust = array(0=>'default', 1=>'quick', 2=>'full');
|
||
$FilterEffect = array(0x80=>'off', 0x81=>'yellow', 0x82=>'orange', 0x83=>'red', 0x84=>'green', 0xff=>'n/a');
|
||
$ToningEffect = array(0x80=>'b&w', 0x81=>'sepia', 0x82=>'cyanotype', 0x83=>'red', 0x84=>'yellow', 0x85=>'green', 0x86=>'blue-green', 0x87=>'blue', 0x88=>'purple-blue', 0x89=>'red-purple', 0xff=>'n/a');
|
||
$data = array(
|
||
'PictureControlVersion' => substr($data, 0, 4),
|
||
'PictureControlName' => rtrim(substr($data, 4, 20), "\x00"),
|
||
'PictureControlBase' => rtrim(substr($data, 24, 20), "\x00"),
|
||
//'?' => substr($data, 44, 4),
|
||
'PictureControlAdjust' => $PictureControlAdjust[ord(substr($data, 48, 1))],
|
||
'PictureControlQuickAdjust' => ord(substr($data, 49, 1)),
|
||
'Sharpness' => ord(substr($data, 50, 1)),
|
||
'Contrast' => ord(substr($data, 51, 1)),
|
||
'Brightness' => ord(substr($data, 52, 1)),
|
||
'Saturation' => ord(substr($data, 53, 1)),
|
||
'HueAdjustment' => ord(substr($data, 54, 1)),
|
||
'FilterEffect' => $FilterEffect[ord(substr($data, 55, 1))],
|
||
'ToningEffect' => $ToningEffect[ord(substr($data, 56, 1))],
|
||
'ToningSaturation' => ord(substr($data, 57, 1)),
|
||
);
|
||
break;
|
||
case 0x02000024: // WorldTime
|
||
// http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html#WorldTime
|
||
// timezone is stored as offset from GMT in minutes
|
||
$timezone = getid3_lib::BigEndian2Int(substr($data, 0, 2));
|
||
if ($timezone & 0x8000) {
|
||
$timezone = 0 - (0x10000 - $timezone);
|
||
}
|
||
$timezone /= 60;
|
||
|
||
$dst = (bool) getid3_lib::BigEndian2Int(substr($data, 2, 1));
|
||
switch (getid3_lib::BigEndian2Int(substr($data, 3, 1))) {
|
||
case 2:
|
||
$datedisplayformat = 'D/M/Y'; break;
|
||
case 1:
|
||
$datedisplayformat = 'M/D/Y'; break;
|
||
case 0:
|
||
default:
|
||
$datedisplayformat = 'Y/M/D'; break;
|
||
}
|
||
|
||
$data = array('timezone'=>floatval($timezone), 'dst'=>$dst, 'display'=>$datedisplayformat);
|
||
break;
|
||
case 0x02000083: // LensType
|
||
$data = array(
|
||
//'_' => $data,
|
||
'mf' => (bool) ($data & 0x01),
|
||
'd' => (bool) ($data & 0x02),
|
||
'g' => (bool) ($data & 0x04),
|
||
'vr' => (bool) ($data & 0x08),
|
||
);
|
||
break;
|
||
}
|
||
$tag_name = (isset($NCTGtagName[$record_type]) ? $NCTGtagName[$record_type] : '0x'.str_pad(dechex($record_type), 8, '0', STR_PAD_LEFT));
|
||
$parsed[$tag_name] = $data;
|
||
}
|
||
return $parsed;
|
||
}
|
||
|
||
|
||
public function CopyToAppropriateCommentsSection($keyname, $data, $boxname='') {
|
||
static $handyatomtranslatorarray = array();
|
||
if (empty($handyatomtranslatorarray)) {
|
||
$handyatomtranslatorarray["\xA9".'cpy'] = 'copyright';
|
||
$handyatomtranslatorarray["\xA9".'day'] = 'creation_date'; // iTunes 4.0
|
||
$handyatomtranslatorarray["\xA9".'dir'] = 'director';
|
||
$handyatomtranslatorarray["\xA9".'ed1'] = 'edit1';
|
||
$handyatomtranslatorarray["\xA9".'ed2'] = 'edit2';
|
||
$handyatomtranslatorarray["\xA9".'ed3'] = 'edit3';
|
||
$handyatomtranslatorarray["\xA9".'ed4'] = 'edit4';
|
||
$handyatomtranslatorarray["\xA9".'ed5'] = 'edit5';
|
||
$handyatomtranslatorarray["\xA9".'ed6'] = 'edit6';
|
||
$handyatomtranslatorarray["\xA9".'ed7'] = 'edit7';
|
||
$handyatomtranslatorarray["\xA9".'ed8'] = 'edit8';
|
||
$handyatomtranslatorarray["\xA9".'ed9'] = 'edit9';
|
||
$handyatomtranslatorarray["\xA9".'fmt'] = 'format';
|
||
$handyatomtranslatorarray["\xA9".'inf'] = 'information';
|
||
$handyatomtranslatorarray["\xA9".'prd'] = 'producer';
|
||
$handyatomtranslatorarray["\xA9".'prf'] = 'performers';
|
||
$handyatomtranslatorarray["\xA9".'req'] = 'system_requirements';
|
||
$handyatomtranslatorarray["\xA9".'src'] = 'source_credit';
|
||
$handyatomtranslatorarray["\xA9".'wrt'] = 'writer';
|
||
|
||
// http://www.geocities.com/xhelmboyx/quicktime/formats/qtm-layout.txt
|
||
$handyatomtranslatorarray["\xA9".'nam'] = 'title'; // iTunes 4.0
|
||
$handyatomtranslatorarray["\xA9".'cmt'] = 'comment'; // iTunes 4.0
|
||
$handyatomtranslatorarray["\xA9".'wrn'] = 'warning';
|
||
$handyatomtranslatorarray["\xA9".'hst'] = 'host_computer';
|
||
$handyatomtranslatorarray["\xA9".'mak'] = 'make';
|
||
$handyatomtranslatorarray["\xA9".'mod'] = 'model';
|
||
$handyatomtranslatorarray["\xA9".'PRD'] = 'product';
|
||
$handyatomtranslatorarray["\xA9".'swr'] = 'software';
|
||
$handyatomtranslatorarray["\xA9".'aut'] = 'author';
|
||
$handyatomtranslatorarray["\xA9".'ART'] = 'artist';
|
||
$handyatomtranslatorarray["\xA9".'trk'] = 'track';
|
||
$handyatomtranslatorarray["\xA9".'alb'] = 'album'; // iTunes 4.0
|
||
$handyatomtranslatorarray["\xA9".'com'] = 'comment';
|
||
$handyatomtranslatorarray["\xA9".'gen'] = 'genre'; // iTunes 4.0
|
||
$handyatomtranslatorarray["\xA9".'ope'] = 'composer';
|
||
$handyatomtranslatorarray["\xA9".'url'] = 'url';
|
||
$handyatomtranslatorarray["\xA9".'enc'] = 'encoder';
|
||
|
||
// http://atomicparsley.sourceforge.net/mpeg-4files.html
|
||
$handyatomtranslatorarray["\xA9".'art'] = 'artist'; // iTunes 4.0
|
||
$handyatomtranslatorarray['aART'] = 'album_artist';
|
||
$handyatomtranslatorarray['trkn'] = 'track_number'; // iTunes 4.0
|
||
$handyatomtranslatorarray['disk'] = 'disc_number'; // iTunes 4.0
|
||
$handyatomtranslatorarray['gnre'] = 'genre'; // iTunes 4.0
|
||
$handyatomtranslatorarray["\xA9".'too'] = 'encoder'; // iTunes 4.0
|
||
$handyatomtranslatorarray['tmpo'] = 'bpm'; // iTunes 4.0
|
||
$handyatomtranslatorarray['cprt'] = 'copyright'; // iTunes 4.0?
|
||
$handyatomtranslatorarray['cpil'] = 'compilation'; // iTunes 4.0
|
||
$handyatomtranslatorarray['covr'] = 'picture'; // iTunes 4.0
|
||
$handyatomtranslatorarray['rtng'] = 'rating'; // iTunes 4.0
|
||
$handyatomtranslatorarray["\xA9".'grp'] = 'grouping'; // iTunes 4.2
|
||
$handyatomtranslatorarray['stik'] = 'stik'; // iTunes 4.9
|
||
$handyatomtranslatorarray['pcst'] = 'podcast'; // iTunes 4.9
|
||
$handyatomtranslatorarray['catg'] = 'category'; // iTunes 4.9
|
||
$handyatomtranslatorarray['keyw'] = 'keyword'; // iTunes 4.9
|
||
$handyatomtranslatorarray['purl'] = 'podcast_url'; // iTunes 4.9
|
||
$handyatomtranslatorarray['egid'] = 'episode_guid'; // iTunes 4.9
|
||
$handyatomtranslatorarray['desc'] = 'description'; // iTunes 5.0
|
||
$handyatomtranslatorarray["\xA9".'lyr'] = 'lyrics'; // iTunes 5.0
|
||
$handyatomtranslatorarray['tvnn'] = 'tv_network_name'; // iTunes 6.0
|
||
$handyatomtranslatorarray['tvsh'] = 'tv_show_name'; // iTunes 6.0
|
||
$handyatomtranslatorarray['tvsn'] = 'tv_season'; // iTunes 6.0
|
||
$handyatomtranslatorarray['tves'] = 'tv_episode'; // iTunes 6.0
|
||
$handyatomtranslatorarray['purd'] = 'purchase_date'; // iTunes 6.0.2
|
||
$handyatomtranslatorarray['pgap'] = 'gapless_playback'; // iTunes 7.0
|
||
|
||
// http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt
|
||
|
||
|
||
|
||
// boxnames:
|
||
/*
|
||
$handyatomtranslatorarray['iTunSMPB'] = 'iTunSMPB';
|
||
$handyatomtranslatorarray['iTunNORM'] = 'iTunNORM';
|
||
$handyatomtranslatorarray['Encoding Params'] = 'Encoding Params';
|
||
$handyatomtranslatorarray['replaygain_track_gain'] = 'replaygain_track_gain';
|
||
$handyatomtranslatorarray['replaygain_track_peak'] = 'replaygain_track_peak';
|
||
$handyatomtranslatorarray['replaygain_track_minmax'] = 'replaygain_track_minmax';
|
||
$handyatomtranslatorarray['MusicIP PUID'] = 'MusicIP PUID';
|
||
$handyatomtranslatorarray['MusicBrainz Artist Id'] = 'MusicBrainz Artist Id';
|
||
$handyatomtranslatorarray['MusicBrainz Album Id'] = 'MusicBrainz Album Id';
|
||
$handyatomtranslatorarray['MusicBrainz Album Artist Id'] = 'MusicBrainz Album Artist Id';
|
||
$handyatomtranslatorarray['MusicBrainz Track Id'] = 'MusicBrainz Track Id';
|
||
$handyatomtranslatorarray['MusicBrainz Disc Id'] = 'MusicBrainz Disc Id';
|
||
|
||
// http://age.hobba.nl/audio/tag_frame_reference.html
|
||
$handyatomtranslatorarray['PLAY_COUNTER'] = 'play_counter'; // Foobar2000 - http://www.getid3.org/phpBB3/viewtopic.php?t=1355
|
||
$handyatomtranslatorarray['MEDIATYPE'] = 'mediatype'; // Foobar2000 - http://www.getid3.org/phpBB3/viewtopic.php?t=1355
|
||
*/
|
||
}
|
||
$info = &$this->getid3->info;
|
||
$comment_key = '';
|
||
if ($boxname && ($boxname != $keyname)) {
|
||
$comment_key = (isset($handyatomtranslatorarray[$boxname]) ? $handyatomtranslatorarray[$boxname] : $boxname);
|
||
} elseif (isset($handyatomtranslatorarray[$keyname])) {
|
||
$comment_key = $handyatomtranslatorarray[$keyname];
|
||
}
|
||
if ($comment_key) {
|
||
if ($comment_key == 'picture') {
|
||
if (!is_array($data)) {
|
||
$image_mime = '';
|
||
if (preg_match('#^\x89\x50\x4E\x47\x0D\x0A\x1A\x0A#', $data)) {
|
||
$image_mime = 'image/png';
|
||
} elseif (preg_match('#^\xFF\xD8\xFF#', $data)) {
|
||
$image_mime = 'image/jpeg';
|
||
} elseif (preg_match('#^GIF#', $data)) {
|
||
$image_mime = 'image/gif';
|
||
} elseif (preg_match('#^BM#', $data)) {
|
||
$image_mime = 'image/bmp';
|
||
}
|
||
$data = array('data'=>$data, 'image_mime'=>$image_mime);
|
||
}
|
||
}
|
||
$info['quicktime']['comments'][$comment_key][] = $data;
|
||
}
|
||
return true;
|
||
}
|
||
|
||
public function NoNullString($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 $nullterminatedstring;
|
||
}
|
||
|
||
public function Pascal2String($pascalstring) {
|
||
// Pascal strings have 1 unsigned byte at the beginning saying how many chars (1-255) are in the string
|
||
return substr($pascalstring, 1);
|
||
}
|
||
|
||
} |