<?php
+
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
-// available at http://getid3.sourceforge.net //
-// or http://www.getid3.org //
-// also https://github.com/JamesHeinrich/getID3 //
-/////////////////////////////////////////////////////////////////
-// See readme.txt for more details //
+// available at https://github.com/JamesHeinrich/getID3 //
+// or https://www.getid3.org //
+// or http://getid3.sourceforge.net //
+// see readme.txt for more details //
/////////////////////////////////////////////////////////////////
// //
// module.audio-video.quicktime.php //
public $ReturnAtomData = true;
public $ParseAllPossibleAtoms = false;
+ /**
+ * @return bool
+ */
public function Analyze() {
$info = &$this->getid3->info;
if (isset($info['bitrate']) && !isset($info['audio']['bitrate']) && !isset($info['quicktime']['video'])) {
$info['audio']['bitrate'] = $info['bitrate'];
}
+ if (!empty($info['bitrate']) && !empty($info['audio']['bitrate']) && empty($info['video']['bitrate']) && !empty($info['video']['frame_rate']) && !empty($info['video']['resolution_x']) && ($info['bitrate'] > $info['audio']['bitrate'])) {
+ $info['video']['bitrate'] = $info['bitrate'] - $info['audio']['bitrate'];
+ }
if (!empty($info['playtime_seconds']) && !isset($info['video']['frame_rate']) && !empty($info['quicktime']['stts_framecount'])) {
foreach ($info['quicktime']['stts_framecount'] as $key => $samples_count) {
$samples_per_second = $samples_count / $info['playtime_seconds'];
if (empty($info['video']['dataformat']) && !empty($info['quicktime']['video'])) {
$info['video']['dataformat'] = 'quicktime';
}
+ if (isset($info['video']) && ($info['mime_type'] == 'audio/mp4') && empty($info['video']['resolution_x']) && empty($info['video']['resolution_y'])) {
+ unset($info['video']);
+ }
return true;
}
+ /**
+ * @param string $atomname
+ * @param int $atomsize
+ * @param string $atom_data
+ * @param int $baseoffset
+ * @param array $atomHierarchy
+ * @param bool $ParseAllPossibleAtoms
+ *
+ * @return array|false
+ */
public function QuicktimeParseAtom($atomname, $atomsize, $atom_data, $baseoffset, &$atomHierarchy, $ParseAllPossibleAtoms) {
// http://developer.apple.com/techpubs/quicktime/qtdevdocs/APIREF/INDEX/atomalphaindex.htm
// https://code.google.com/p/mp4v2/wiki/iTunesMetadata
$info = &$this->getid3->info;
- $atom_parent = end($atomHierarchy); // not array_pop($atomHierarchy); see http://www.getid3.org/phpBB3/viewtopic.php?t=1717
+ $atom_parent = end($atomHierarchy); // not array_pop($atomHierarchy); see https://www.getid3.org/phpBB3/viewtopic.php?t=1717
array_push($atomHierarchy, $atomname);
$atom_structure['hierarchy'] = implode(' ', $atomHierarchy);
$atom_structure['name'] = $atomname;
$atom_structure['size'] = $atomsize;
$atom_structure['offset'] = $baseoffset;
- switch ($atomname) {
- case 'moov': // MOVie container atom
- case 'trak': // TRAcK container atom
- case 'clip': // CLIPping container atom
- case 'matt': // track MATTe container atom
- case 'edts': // EDiTS container atom
- case 'tref': // Track REFerence container atom
- case 'mdia': // MeDIA container atom
- case 'minf': // Media INFormation container atom
- case 'dinf': // Data INFormation container atom
- case 'udta': // User DaTA container atom
- case 'cmov': // Compressed MOVie container atom
- case 'rmra': // Reference Movie Record Atom
- case 'rmda': // Reference Movie Descriptor Atom
- case 'gmhd': // Generic Media info HeaDer atom (seen on QTVR)
- $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);
- break;
+ if (substr($atomname, 0, 3) == "\x00\x00\x00") {
+ // https://github.com/JamesHeinrich/getID3/issues/139
+ $atomname = getid3_lib::BigEndian2Int($atomname);
+ $atom_structure['name'] = $atomname;
+ $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);
+ } else {
+ switch ($atomname) {
+ case 'moov': // MOVie container atom
+ case 'trak': // TRAcK container atom
+ case 'clip': // CLIPping container atom
+ case 'matt': // track MATTe container atom
+ case 'edts': // EDiTS container atom
+ case 'tref': // Track REFerence container atom
+ case 'mdia': // MeDIA container atom
+ case 'minf': // Media INFormation container atom
+ case 'dinf': // Data INFormation container atom
+ case 'udta': // User DaTA container atom
+ case 'cmov': // Compressed MOVie container atom
+ case 'rmra': // Reference Movie Record Atom
+ case 'rmda': // Reference Movie Descriptor Atom
+ case 'gmhd': // Generic Media info HeaDer atom (seen on QTVR)
+ $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);
+ break;
- case 'ilst': // Item LiST container atom
- if ($atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms)) {
- // some "ilst" atoms contain data atoms that have a numeric name, and the data is far more accessible if the returned array is compacted
- $allnumericnames = true;
- foreach ($atom_structure['subatoms'] as $subatomarray) {
- if (!is_integer($subatomarray['name']) || (count($subatomarray['subatoms']) != 1)) {
- $allnumericnames = false;
- break;
- }
- }
- if ($allnumericnames) {
- $newData = array();
+ case 'ilst': // Item LiST container atom
+ if ($atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms)) {
+ // some "ilst" atoms contain data atoms that have a numeric name, and the data is far more accessible if the returned array is compacted
+ $allnumericnames = true;
foreach ($atom_structure['subatoms'] as $subatomarray) {
- foreach ($subatomarray['subatoms'] as $newData_subatomarray) {
- unset($newData_subatomarray['hierarchy'], $newData_subatomarray['name']);
- $newData[$subatomarray['name']] = $newData_subatomarray;
+ if (!is_integer($subatomarray['name']) || (count($subatomarray['subatoms']) != 1)) {
+ $allnumericnames = false;
break;
}
}
- $atom_structure['data'] = $newData;
- unset($atom_structure['subatoms']);
+ if ($allnumericnames) {
+ $newData = array();
+ foreach ($atom_structure['subatoms'] as $subatomarray) {
+ foreach ($subatomarray['subatoms'] as $newData_subatomarray) {
+ unset($newData_subatomarray['hierarchy'], $newData_subatomarray['name']);
+ $newData[$subatomarray['name']] = $newData_subatomarray;
+ break;
+ }
+ }
+ $atom_structure['data'] = $newData;
+ unset($atom_structure['subatoms']);
+ }
}
- }
- break;
-
- case "\x00\x00\x00\x01":
- case "\x00\x00\x00\x02":
- case "\x00\x00\x00\x03":
- case "\x00\x00\x00\x04":
- case "\x00\x00\x00\x05":
- $atomname = getid3_lib::BigEndian2Int($atomname);
- $atom_structure['name'] = $atomname;
- $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);
- break;
+ break;
- case 'stbl': // Sample TaBLe container atom
- $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);
- $isVideo = false;
- $framerate = 0;
- $framecount = 0;
- foreach ($atom_structure['subatoms'] as $key => $value_array) {
- if (isset($value_array['sample_description_table'])) {
- foreach ($value_array['sample_description_table'] as $key2 => $value_array2) {
- if (isset($value_array2['data_format'])) {
- switch ($value_array2['data_format']) {
- case 'avc1':
- case 'mp4v':
- // video data
- $isVideo = true;
- break;
- case 'mp4a':
- // audio data
- break;
+ case 'stbl': // Sample TaBLe container atom
+ $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);
+ $isVideo = false;
+ $framerate = 0;
+ $framecount = 0;
+ foreach ($atom_structure['subatoms'] as $key => $value_array) {
+ if (isset($value_array['sample_description_table'])) {
+ foreach ($value_array['sample_description_table'] as $key2 => $value_array2) {
+ if (isset($value_array2['data_format'])) {
+ switch ($value_array2['data_format']) {
+ case 'avc1':
+ case 'mp4v':
+ // video data
+ $isVideo = true;
+ break;
+ case 'mp4a':
+ // audio data
+ break;
+ }
}
}
- }
- } elseif (isset($value_array['time_to_sample_table'])) {
- foreach ($value_array['time_to_sample_table'] as $key2 => $value_array2) {
- if (isset($value_array2['sample_count']) && isset($value_array2['sample_duration']) && ($value_array2['sample_duration'] > 0)) {
- $framerate = round($info['quicktime']['time_scale'] / $value_array2['sample_duration'], 3);
- $framecount = $value_array2['sample_count'];
+ } elseif (isset($value_array['time_to_sample_table'])) {
+ foreach ($value_array['time_to_sample_table'] as $key2 => $value_array2) {
+ if (isset($value_array2['sample_count']) && isset($value_array2['sample_duration']) && ($value_array2['sample_duration'] > 0)) {
+ $framerate = round($info['quicktime']['time_scale'] / $value_array2['sample_duration'], 3);
+ $framecount = $value_array2['sample_count'];
+ }
}
}
}
- }
- if ($isVideo && $framerate) {
- $info['quicktime']['video']['frame_rate'] = $framerate;
- $info['video']['frame_rate'] = $info['quicktime']['video']['frame_rate'];
- }
- if ($isVideo && $framecount) {
- $info['quicktime']['video']['frame_count'] = $framecount;
- }
- break;
-
+ if ($isVideo && $framerate) {
+ $info['quicktime']['video']['frame_rate'] = $framerate;
+ $info['video']['frame_rate'] = $info['quicktime']['video']['frame_rate'];
+ }
+ if ($isVideo && $framecount) {
+ $info['quicktime']['video']['frame_count'] = $framecount;
+ }
+ break;
- case "\xA9".'alb': // ALBum
- case "\xA9".'ART': //
- case "\xA9".'art': // ARTist
- case "\xA9".'aut': //
- case "\xA9".'cmt': // CoMmenT
- case "\xA9".'com': // COMposer
- case "\xA9".'cpy': //
- case "\xA9".'day': // content created year
- case "\xA9".'dir': //
- case "\xA9".'ed1': //
- case "\xA9".'ed2': //
- case "\xA9".'ed3': //
- case "\xA9".'ed4': //
- case "\xA9".'ed5': //
- case "\xA9".'ed6': //
- case "\xA9".'ed7': //
- case "\xA9".'ed8': //
- case "\xA9".'ed9': //
- case "\xA9".'enc': //
- case "\xA9".'fmt': //
- case "\xA9".'gen': // GENre
- case "\xA9".'grp': // GRouPing
- case "\xA9".'hst': //
- case "\xA9".'inf': //
- case "\xA9".'lyr': // LYRics
- case "\xA9".'mak': //
- case "\xA9".'mod': //
- case "\xA9".'nam': // full NAMe
- case "\xA9".'ope': //
- case "\xA9".'PRD': //
- case "\xA9".'prf': //
- case "\xA9".'req': //
- case "\xA9".'src': //
- case "\xA9".'swr': //
- case "\xA9".'too': // encoder
- case "\xA9".'trk': // TRacK
- case "\xA9".'url': //
- case "\xA9".'wrn': //
- case "\xA9".'wrt': // WRiTer
- case '----': // itunes specific
- case 'aART': // Album ARTist
- case 'akID': // iTunes store account type
- case 'apID': // Purchase Account
- case 'atID': //
- case 'catg': // CaTeGory
- case 'cmID': //
- case 'cnID': //
- case 'covr': // COVeR artwork
- case 'cpil': // ComPILation
- case 'cprt': // CoPyRighT
- case 'desc': // DESCription
- case 'disk': // DISK number
- case 'egid': // Episode Global ID
- case 'geID': //
- case 'gnre': // GeNRE
- case 'hdvd': // HD ViDeo
- case 'keyw': // KEYWord
- case 'ldes': // Long DEScription
- case 'pcst': // PodCaST
- case 'pgap': // GAPless Playback
- case 'plID': //
- case 'purd': // PURchase Date
- case 'purl': // Podcast URL
- case 'rati': //
- case 'rndu': //
- case 'rpdu': //
- case 'rtng': // RaTiNG
- case 'sfID': // iTunes store country
- case 'soaa': // SOrt Album Artist
- case 'soal': // SOrt ALbum
- case 'soar': // SOrt ARtist
- case 'soco': // SOrt COmposer
- case 'sonm': // SOrt NaMe
- case 'sosn': // SOrt Show Name
- case 'stik': //
- case 'tmpo': // TeMPO (BPM)
- case 'trkn': // TRacK Number
- case 'tven': // tvEpisodeID
- case 'tves': // TV EpiSode
- case 'tvnn': // TV Network Name
- case 'tvsh': // TV SHow Name
- case 'tvsn': // TV SeasoN
- if ($atom_parent == 'udta') {
- // User data atom handler
- $atom_structure['data_length'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2));
- $atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2));
- $atom_structure['data'] = substr($atom_data, 4);
- $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'];
- }
- } else {
- // Apple item list box atom handler
- $atomoffset = 0;
- if (substr($atom_data, 2, 2) == "\x10\xB5") {
- // not sure what it means, but observed on iPhone4 data.
- // 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);
- $boxsmalldata = substr($atom_data, $atomoffset + 4, $boxsmallsize);
- if ($boxsmallsize <= 1) {
- $this->warning('Invalid QuickTime atom smallbox size "'.$boxsmallsize.'" in atom "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $atomname).'" at offset: '.($atom_structure['offset'] + $atomoffset));
- $atom_structure['data'] = null;
- $atomoffset = strlen($atom_data);
- break;
- }
- switch ($boxsmalltype) {
- case "\x10\xB5":
- $atom_structure['data'] = $boxsmalldata;
- break;
- default:
- $this->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);
+ case "\xA9".'alb': // ALBum
+ case "\xA9".'ART': //
+ case "\xA9".'art': // ARTist
+ case "\xA9".'aut': //
+ case "\xA9".'cmt': // CoMmenT
+ case "\xA9".'com': // COMposer
+ case "\xA9".'cpy': //
+ case "\xA9".'day': // content created year
+ case "\xA9".'dir': //
+ case "\xA9".'ed1': //
+ case "\xA9".'ed2': //
+ case "\xA9".'ed3': //
+ case "\xA9".'ed4': //
+ case "\xA9".'ed5': //
+ case "\xA9".'ed6': //
+ case "\xA9".'ed7': //
+ case "\xA9".'ed8': //
+ case "\xA9".'ed9': //
+ case "\xA9".'enc': //
+ case "\xA9".'fmt': //
+ case "\xA9".'gen': // GENre
+ case "\xA9".'grp': // GRouPing
+ case "\xA9".'hst': //
+ case "\xA9".'inf': //
+ case "\xA9".'lyr': // LYRics
+ case "\xA9".'mak': //
+ case "\xA9".'mod': //
+ case "\xA9".'nam': // full NAMe
+ case "\xA9".'ope': //
+ case "\xA9".'PRD': //
+ case "\xA9".'prf': //
+ case "\xA9".'req': //
+ case "\xA9".'src': //
+ case "\xA9".'swr': //
+ case "\xA9".'too': // encoder
+ case "\xA9".'trk': // TRacK
+ case "\xA9".'url': //
+ case "\xA9".'wrn': //
+ case "\xA9".'wrt': // WRiTer
+ case '----': // itunes specific
+ case 'aART': // Album ARTist
+ case 'akID': // iTunes store account type
+ case 'apID': // Purchase Account
+ case 'atID': //
+ case 'catg': // CaTeGory
+ case 'cmID': //
+ case 'cnID': //
+ case 'covr': // COVeR artwork
+ case 'cpil': // ComPILation
+ case 'cprt': // CoPyRighT
+ case 'desc': // DESCription
+ case 'disk': // DISK number
+ case 'egid': // Episode Global ID
+ case 'geID': //
+ case 'gnre': // GeNRE
+ case 'hdvd': // HD ViDeo
+ case 'keyw': // KEYWord
+ case 'ldes': // Long DEScription
+ case 'pcst': // PodCaST
+ case 'pgap': // GAPless Playback
+ case 'plID': //
+ case 'purd': // PURchase Date
+ case 'purl': // Podcast URL
+ case 'rati': //
+ case 'rndu': //
+ case 'rpdu': //
+ case 'rtng': // RaTiNG
+ case 'sfID': // iTunes store country
+ case 'soaa': // SOrt Album Artist
+ case 'soal': // SOrt ALbum
+ case 'soar': // SOrt ARtist
+ case 'soco': // SOrt COmposer
+ case 'sonm': // SOrt NaMe
+ case 'sosn': // SOrt Show Name
+ case 'stik': //
+ case 'tmpo': // TeMPO (BPM)
+ case 'trkn': // TRacK Number
+ case 'tven': // tvEpisodeID
+ case 'tves': // TV EpiSode
+ case 'tvnn': // TV Network Name
+ case 'tvsh': // TV SHow Name
+ case 'tvsn': // TV SeasoN
+ if ($atom_parent == 'udta') {
+ // User data atom handler
+ $atom_structure['data_length'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2));
+ $atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2));
+ $atom_structure['data'] = substr($atom_data, 4);
+
+ $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'][] = $atom_structure['language'];
}
} else {
- while ($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) {
- $this->warning('Invalid QuickTime atom box size "'.$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;
+ // Apple item list box atom handler
+ $atomoffset = 0;
+ if (substr($atom_data, 2, 2) == "\x10\xB5") {
+ // not sure what it means, but observed on iPhone4 data.
+ // 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);
+ $boxsmalldata = substr($atom_data, $atomoffset + 4, $boxsmallsize);
+ if ($boxsmallsize <= 1) {
+ $this->warning('Invalid QuickTime atom smallbox size "'.$boxsmallsize.'" in atom "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $atomname).'" at offset: '.($atom_structure['offset'] + $atomoffset));
+ $atom_structure['data'] = null;
+ $atomoffset = strlen($atom_data);
+ break;
+ }
+ switch ($boxsmalltype) {
+ case "\x10\xB5":
+ $atom_structure['data'] = $boxsmalldata;
+ break;
+ default:
+ $this->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);
}
- $atomoffset += $boxsize;
-
- switch ($boxtype) {
- case 'mean':
- case 'name':
- $atom_structure[$boxtype] = substr($boxdata, 4);
+ } else {
+ while ($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) {
+ $this->warning('Invalid QuickTime atom box size "'.$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 'hdvd':
- case 'pcst':
- case 'pgap':
- // 8-bit integer (boolean)
- $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1));
- break;
-
- case 'tmpo':
- // 16-bit integer
- $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 2));
- break;
-
- case 'disk':
- case 'trkn':
- // binary
- $num = getid3_lib::BigEndian2Int(substr($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':
- // enum
- $GenreID = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4));
- $atom_structure['data'] = getid3_id3v1::LookupGenreName($GenreID - 1);
- break;
-
- case 'rtng':
- // 8-bit integer
- $atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1));
- $atom_structure['data'] = $this->QuicktimeContentRatingLookup($atom_structure[$atomname]);
- break;
-
- case 'stik':
- // 8-bit integer (enum)
- $atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1));
- $atom_structure['data'] = $this->QuicktimeSTIKLookup($atom_structure[$atomname]);
- break;
-
- case 'sfID':
- // 32-bit integer
- $atom_structure[$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;
-
- case 'plID':
- // 64-bit integer
- $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 8));
- break;
-
- case 'covr':
- $atom_structure['data'] = substr($boxdata, 8);
+ 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 'hdvd':
+ case 'pcst':
+ case 'pgap':
+ // 8-bit integer (boolean)
+ $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1));
+ break;
+
+ case 'tmpo':
+ // 16-bit integer
+ $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 2));
+ break;
+
+ case 'disk':
+ case 'trkn':
+ // binary
+ $num = getid3_lib::BigEndian2Int(substr($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':
+ // enum
+ $GenreID = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4));
+ $atom_structure['data'] = getid3_id3v1::LookupGenreName($GenreID - 1);
+ break;
+
+ case 'rtng':
+ // 8-bit integer
+ $atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1));
+ $atom_structure['data'] = $this->QuicktimeContentRatingLookup($atom_structure[$atomname]);
+ break;
+
+ case 'stik':
+ // 8-bit integer (enum)
+ $atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1));
+ $atom_structure['data'] = $this->QuicktimeSTIKLookup($atom_structure[$atomname]);
+ break;
+
+ case 'sfID':
+ // 32-bit integer
+ $atom_structure[$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;
+
+ case 'plID':
+ // 64-bit integer
+ $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 8));
+ break;
+
+ case 'covr':
+ $atom_structure['data'] = substr($boxdata, 8);
+ // 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;
+
+ case 'atID':
+ case 'cnID':
+ case 'geID':
+ case 'tves':
+ case 'tvsn':
+ default:
+ // 32-bit integer
+ $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($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('#^GIF#', $atom_structure['data'])) {
$atom_structure['image_mime'] = 'image/gif';
}
- break;
-
- case 'atID':
- case 'cnID':
- case 'geID':
- case 'tves':
- case 'tvsn':
- default:
- // 32-bit integer
- $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($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;
- }
- break;
+ }
+ break;
- default:
- $this->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;
+ default:
+ $this->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;
+ $this->CopyToAppropriateCommentsSection($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));
+ case 'play': // auto-PLAY atom
+ $atom_structure['autoplay'] = (bool) getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
- $info['quicktime']['autoplay'] = $atom_structure['autoplay'];
- break;
+ $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 '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 '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 '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));
+ 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 {
- $this->warning('Error decompressing compressed MOV atom at offset '.$atom_structure['offset']);
- }
- break;
+ $CompressedFileData = substr($atom_data, 4);
+ if ($UncompressedHeader = @gzuncompress($CompressedFileData)) {
+ $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($UncompressedHeader, 0, $atomHierarchy, $ParseAllPossibleAtoms);
+ } else {
+ $this->warning('Error decompressing compressed MOV atom at offset '.$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 '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);
+ 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;
+ $atom_structure['reference_type_name'] = substr($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 'alis':
+ $atom_structure['file_alias'] = substr($atom_data, 12);
+ break;
- case 'rsrc':
- $atom_structure['resource_alias'] = substr($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;
+ 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 '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 '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 '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 '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));
+ 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;
+ $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));
+ 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;
+ $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 {
+ $this->warning('unknown "ptv " display constant ('.$atom_structure['display_size_raw'].')');
+ }
+ 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 {
- $this->warning('unknown "ptv " display constant ('.$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));
+ // see: https://github.com/JamesHeinrich/getID3/issues/111
+ // Some corrupt files have been known to have high bits set in the number_entries field
+ // This field shouldn't really need to be 32-bits, values stores are likely in the range 1-100000
+ // Workaround: mask off the upper byte and throw a warning if it's nonzero
+ if ($atom_structure['number_entries'] > 0x000FFFFF) {
+ if ($atom_structure['number_entries'] > 0x00FFFFFF) {
+ $this->warning('"stsd" atom contains improbably large number_entries (0x'.getid3_lib::PrintHexBytes(substr($atom_data, 4, 4), true, false).' = '.$atom_structure['number_entries'].'), probably in error. Ignoring upper byte and interpreting this as 0x'.getid3_lib::PrintHexBytes(substr($atom_data, 5, 3), true, false).' = '.($atom_structure['number_entries'] & 0x00FFFFFF));
+ $atom_structure['number_entries'] = ($atom_structure['number_entries'] & 0x00FFFFFF);
+ } else {
+ $this->warning('"stsd" atom contains improbably large number_entries (0x'.getid3_lib::PrintHexBytes(substr($atom_data, 4, 4), true, false).' = '.$atom_structure['number_entries'].'), probably in error. Please report this to info@getid3.org referencing bug report #111');
+ }
+ }
- 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;
+ $stsdEntriesDataOffset = 8;
+ for ($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'];
+ if ($this->QuicktimeVideoCodecLookup($info['video']['fourcc'])) {
+ $info['video']['fourcc_lookup'] = $this->QuicktimeVideoCodecLookup($info['video']['fourcc']);
+ }
+
+ // https://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 '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;
+ 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
+ case 'sowt': // signed/two's complement (Little Endian)
+ case 'twos': // signed/two's complement (Big Endian)
+ case 'in24': // 24-bit Integer
+ case 'in32': // 32-bit Integer
+ case 'fl32': // 32-bit Floating Point
+ case 'fl64': // 64-bit Floating Point
+ $info['audio']['lossless'] = $info['quicktime']['audio']['lossless'] = true;
+ $info['audio']['bitrate'] = $info['quicktime']['audio']['bitrate'] = $info['audio']['channels'] * $info['audio']['bits_per_sample'] * $info['audio']['sample_rate'];
+ break;
+ default:
+ $info['audio']['lossless'] = false;
+ break;
+ }
+ break;
+ }
+ break;
- default:
- switch ($atom_structure['sample_description_table'][$i]['data_format']) {
- case 'mp4s':
- $info['fileformat'] = 'mp4';
- break;
+ default:
+ switch ($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;
+ 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 '3ivx':
+ case '3iv1':
+ case '3iv2':
+ $info['video']['dataformat'] = '3ivx';
+ break;
- case 'xvid':
- $info['video']['dataformat'] = 'xvid';
- break;
+ case 'xvid':
+ $info['video']['dataformat'] = 'xvid';
+ break;
- case 'mp4v':
- $info['video']['dataformat'] = 'mpeg4';
- 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;
+ case 'divx':
+ case 'div1':
+ case 'div2':
+ case 'div3':
+ case 'div4':
+ case 'div5':
+ case 'div6':
+ $info['video']['dataformat'] = 'divx';
+ break;
- default:
- // do nothing
- break;
+ default:
+ // do nothing
+ break;
+ }
+ unset($atom_structure['sample_description_table'][$i]['data']);
}
- unset($atom_structure['sample_description_table'][$i]['data']);
- }
- break;
+ 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;
+ 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;
- $max_stts_entries_to_scan = ($info['php_memory_limit'] ? min(floor($this->getid3->memory_limit / 10000), $atom_structure['number_entries']) : $atom_structure['number_entries']);
- if ($max_stts_entries_to_scan < $atom_structure['number_entries']) {
- $this->warning('QuickTime atom "stts" has '.$atom_structure['number_entries'].' but only scanning the first '.$max_stts_entries_to_scan.' entries due to limited PHP memory available ('.floor($atom_structure['number_entries'] / 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);
+ $max_stts_entries_to_scan = ($info['php_memory_limit'] ? min(floor($this->getid3->memory_limit / 10000), $atom_structure['number_entries']) : $atom_structure['number_entries']);
+ if ($max_stts_entries_to_scan < $atom_structure['number_entries']) {
+ $this->warning('QuickTime atom "stts" has '.$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 / $frames_per_second;
//}
- //
- //$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 / $sttsSecondsTotal;
- // }
- //}
- break;
+ //if (($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));
- $stssEntriesDataOffset += 4;
+ case 'stss': // Sample Table Sync Sample (key frames) atom
+ if ($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));
+ $stssEntriesDataOffset += 4;
+ }
}
- }
- break;
+ break;
- case 'stsc': // Sample Table Sample-to-Chunk atom
- if ($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));
- $stscEntriesDataOffset += 4;
+ case 'stsc': // Sample Table Sample-to-Chunk atom
+ if ($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));
+ $stscEntriesDataOffset += 4;
+ }
}
- }
- break;
+ break;
- case 'stsz': // Sample Table SiZe atom
- if ($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) {
+ 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++) {
- $atom_structure['sample_size_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stszEntriesDataOffset, 4));
- $stszEntriesDataOffset += 4;
+ $atom_structure['chunk_offset_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stcoEntriesDataOffset, 4));
+ $stcoEntriesDataOffset += 4;
}
}
- }
- break;
+ break;
- case 'stco': // Sample Table Chunk Offset atom
- if ($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));
- $stcoEntriesDataOffset += 4;
+ case 'co64': // Chunk Offset 64-bit (version of "stco" that supports > 2GB files)
+ if ($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));
+ $stcoEntriesDataOffset += 8;
+ }
}
- }
- break;
+ break;
- case 'co64': // Chunk Offset 64-bit (version of "stco" that supports > 2GB files)
- if ($ParseAllPossibleAtoms) {
+ 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));
- $stcoEntriesDataOffset = 8;
+ $drefDataOffset = 8;
for ($i = 0; $i < $atom_structure['number_entries']; $i++) {
- $atom_structure['chunk_offset_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stcoEntriesDataOffset, 8));
- $stcoEntriesDataOffset += 8;
+ $atom_structure['data_references'][$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;
+ 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 '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 '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 '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 '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) {
+ $this->error('Corrupt Quicktime file: mdhd.time_scale == zero');
+ return false;
+ }
+ $info['quicktime']['time_scale'] = ((isset($info['quicktime']['time_scale']) && ($info['quicktime']['time_scale'] < 1000)) ? max($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 '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) {
- $this->error('Corrupt Quicktime file: mdhd.time_scale == zero');
- return false;
- }
- $info['quicktime']['time_scale'] = ((isset($info['quicktime']['time_scale']) && ($info['quicktime']['time_scale'] < 1000)) ? max($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 '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 '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 '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, $i, 4));
+ }
+ break;
- case 'tmcd': // TiMe CoDe atom
- case 'chap': // CHAPter list atom
- case 'sync': // SYNChronization atom
- case 'scpt': // tranSCriPT atom
- case 'ssrc': // non-primary SouRCe atom
- for ($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 '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 '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 '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) {
+ $this->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']) && ($info['quicktime']['time_scale'] < 1000)) ? max($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 '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) {
- $this->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']) && ($info['quicktime']['time_scale'] < 1000)) ? max($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']);
+
+ // https://www.getid3.org/phpBB3/viewtopic.php?t=1908
+ // attempt to compute rotation from matrix values
+ // 2017-Dec-28: uncertain if 90/270 are correctly oriented; values returned by FixedPoint16_16 should perhaps be -1 instead of 65535(?)
+ $matrixRotation = 0;
+ switch ($atom_structure['matrix_a'].':'.$atom_structure['matrix_b'].':'.$atom_structure['matrix_c'].':'.$atom_structure['matrix_d']) {
+ case '1:0:0:1': $matrixRotation = 0; break;
+ case '0:1:65535:0': $matrixRotation = 90; break;
+ case '65535:0:0:65535': $matrixRotation = 180; break;
+ case '0:65535:1:0': $matrixRotation = 270; break;
+ default: break;
+ }
+ // https://www.getid3.org/phpBB3/viewtopic.php?t=2468
+ // The rotation matrix can appear in the Quicktime file multiple times, at least once for each track,
+ // and it's possible that only the video track (or, in theory, one of the video tracks) is flagged as
+ // rotated while the other tracks (e.g. audio) is tagged as rotation=0 (behavior noted on iPhone 8 Plus)
+ // The correct solution would be to check if the TrackID associated with the rotation matrix is indeed
+ // a video track (or the main video track) and only set the rotation then, but since information about
+ // what track is what is not trivially there to be examined, the lazy solution is to set the rotation
+ // if it is found to be nonzero, on the assumption that tracks that don't need it will have rotation set
+ // to zero (and be effectively ignored) and the video track will have rotation set correctly, which will
+ // either be zero and automatically correct, or nonzero and be set correctly.
+ if (!isset($info['video']['rotate']) || (($info['video']['rotate'] == 0) && ($matrixRotation > 0))) {
+ $info['quicktime']['video']['rotate'] = $info['video']['rotate'] = $matrixRotation;
+ }
- 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'] = $atom_structure['height'];
+ if ($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'] = $info['video']['resolution_y'];
+ } else {
+ // see: https://www.getid3.org/phpBB3/viewtopic.php?t=1295
+ //if (isset($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']); }
}
- $info['video']['resolution_x'] = max($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;
+ 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));
+ 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;
- $atom_structure['track'][$i]['length'] = $this->quicktime_read_mp4_descr_length($atom_data, $offset);
+ $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($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()
- $atom_structure['track'][$i]['track_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 4));
- $offset += 4;
- }
+ $atom_structure['object_descriptor_id'] = getid3_lib::BigEndian2Int(substr($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['audio_profile_name'] = $this->QuicktimeIODSaudioProfileName($atom_structure['audio_profile_id']);
- $atom_structure['video_profile_name'] = $this->QuicktimeIODSvideoProfileName($atom_structure['video_profile_id']);
- break;
+ $atom_structure['num_iods_tracks'] = ($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;
+ }
- 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;
+ $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 'mdat': // Media DATa atom
- // 'mdat' contains the actual data for the audio/video, possibly also subtitles
+ 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;
-/* 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 */
+ case 'mdat': // Media DATa atom
+ // 'mdat' contains the actual data for the audio/video, possibly also subtitles
- // 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') {
- $mdat_offset += 8;
- } else {
- break;
- }
- }
+ /* due to lack of known documentation, this is a kludge implementation. If you know of documentation on how mdat is properly structed, please send it to info@getid3.org */
- // check to see if it looks like chapter titles, in the form of unterminated strings with a leading 16-bit size field
- while (($mdat_offset < (strlen($atom_data) - 8))
- && ($chapter_string_length = getid3_lib::BigEndian2Int(substr($atom_data, $mdat_offset, 2)))
- && ($chapter_string_length < 1000)
- && ($chapter_string_length <= (strlen($atom_data) - $mdat_offset - 2))
- && preg_match('#^([\x00-\xFF]{2})([\x20-\xFF]+)$#', substr($atom_data, $mdat_offset, $chapter_string_length + 2), $chapter_matches)) {
- list($dummy, $chapter_string_length_hex, $chapter_string) = $chapter_matches;
- $mdat_offset += (2 + $chapter_string_length);
- @$info['quicktime']['comments']['chapters'][] = $chapter_string;
-
- // "encd" atom specifies encoding. In theory could be anything, almost always UTF-8, but may be UTF-16 with BOM (not currently handled)
- if (substr($atom_data, $mdat_offset, 12) == "\x00\x00\x00\x0C\x65\x6E\x63\x64\x00\x00\x01\x00") { // UTF-8
- $mdat_offset += 12;
+ // 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') {
+ $mdat_offset += 8;
+ } else {
+ break;
}
- }
-
-
- if (($atomsize > 8) && (!isset($info['avdataend_tmp']) || ($info['quicktime'][$atomname]['size'] > ($info['avdataend_tmp'] - $info['avdataoffset'])))) {
+ }
+ if (substr($atom_data, $mdat_offset, 4) == 'GPRO') {
+ $GOPRO_chunk_length = getid3_lib::LittleEndian2Int(substr($atom_data, $mdat_offset + 4, 4));
+ $GOPRO_offset = 8;
+ $atom_structure['GPRO']['raw'] = substr($atom_data, $mdat_offset + 8, $GOPRO_chunk_length - 8);
+ $atom_structure['GPRO']['firmware'] = substr($atom_structure['GPRO']['raw'], 0, 15);
+ $atom_structure['GPRO']['unknown1'] = substr($atom_structure['GPRO']['raw'], 15, 16);
+ $atom_structure['GPRO']['unknown2'] = substr($atom_structure['GPRO']['raw'], 31, 32);
+ $atom_structure['GPRO']['unknown3'] = substr($atom_structure['GPRO']['raw'], 63, 16);
+ $atom_structure['GPRO']['camera'] = substr($atom_structure['GPRO']['raw'], 79, 32);
+ $info['quicktime']['camera']['model'] = rtrim($atom_structure['GPRO']['camera'], "\x00");
+ }
- $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'];
+ // check to see if it looks like chapter titles, in the form of unterminated strings with a leading 16-bit size field
+ while (($mdat_offset < (strlen($atom_data) - 8))
+ && ($chapter_string_length = getid3_lib::BigEndian2Int(substr($atom_data, $mdat_offset, 2)))
+ && ($chapter_string_length < 1000)
+ && ($chapter_string_length <= (strlen($atom_data) - $mdat_offset - 2))
+ && preg_match('#^([\x00-\xFF]{2})([\x20-\xFF]+)$#', substr($atom_data, $mdat_offset, $chapter_string_length + 2), $chapter_matches)) {
+ list($dummy, $chapter_string_length_hex, $chapter_string) = $chapter_matches;
+ $mdat_offset += (2 + $chapter_string_length);
+ @$info['quicktime']['comments']['chapters'][] = $chapter_string;
+
+ // "encd" atom specifies encoding. In theory could be anything, almost always UTF-8, but may be UTF-16 with BOM (not currently handled)
+ if (substr($atom_data, $mdat_offset, 12) == "\x00\x00\x00\x0C\x65\x6E\x63\x64\x00\x00\x01\x00") { // UTF-8
+ $mdat_offset += 12;
+ }
+ }
- $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) {
- $this->warning($value);
+ 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) {
+ $this->warning($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'] = $info['audio']['bitrate'];
+ if (!empty($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($getid3_mp3, $getid3_temp);
+ $info['avdataend'] = $OldAVDataEnd;
+ unset($OldAVDataEnd);
- }
+ }
- unset($mdat_offset, $chapter_string_length, $chapter_matches);
- break;
+ unset($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 '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 '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 '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 '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 '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, $i, 4));
- }
- break;
+ case 'imgt': // IMaGe Track reference (kQTVRImageTrackRefType) (seen on QTVR)
+ for ($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'] = $atom_data;
- break;
+ // Observed-but-not-handled atom types are just listed here to prevent warnings being generated
+ case 'FXTC': // Something to do with Adobe After Effects (?)
+ case 'PrmA':
+ case 'code':
+ case 'FIEL': // this is NOT "fiel" (Field Ordering) as describe here: http://developer.apple.com/documentation/QuickTime/QTFF/QTFFChap3/chapter_4_section_2.html
+ case 'tapt': // TrackApertureModeDimensionsAID - http://developer.apple.com/documentation/QuickTime/Reference/QT7-1_Update_Reference/Constants/Constants.html
+ // tapt seems to be used to compute the video size [https://www.getid3.org/phpBB3/viewtopic.php?t=838]
+ // * http://lists.apple.com/archives/quicktime-api/2006/Aug/msg00014.html
+ // * http://handbrake.fr/irclogs/handbrake-dev/handbrake-dev20080128_pg2.html
+ case 'ctts':// STCompositionOffsetAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html
+ case 'cslg':// STCompositionShiftLeastGreatestAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html
+ case 'sdtp':// STSampleDependencyAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html
+ case 'stps':// STPartialSyncSampleAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html
+ //$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);
+ 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 {
+ $this->warning('QuickTime atom "©xyz" data does not match expected data pattern at offset '.$baseoffset.'. Please report as getID3() bug.');
}
- } else {
- $this->warning('QuickTime atom "©xyz" data does not match expected data pattern at offset '.$baseoffset.'. Please report as getID3() bug.');
- }
- break;
+ 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)) {
+ 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;
- $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;
+ break;
- case "\x00\x00\x00\x00":
- // some kind of metacontainer, may contain a big data dump such as:
- // mdta keys \005 mdtacom.apple.quicktime.make (mdtacom.apple.quicktime.creationdate ,mdtacom.apple.quicktime.location.ISO6709 $mdtacom.apple.quicktime.software !mdtacom.apple.quicktime.model ilst \01D \001 \015data \001DE\010Apple 0 \002 (data \001DE\0102011-05-11T17:54:04+0200 2 \003 *data \001DE\010+52.4936+013.3897+040.247/ \01D \004 \015data \001DE\0104.3.1 \005 \018data \001DE\010iPhone 4
- // http://www.geocities.com/xhelmboyx/quicktime/formats/qti-layout.txt
+ case "\x00\x00\x00\x00":
+ // some kind of metacontainer, may contain a big data dump such as:
+ // mdta keys \005 mdtacom.apple.quicktime.make (mdtacom.apple.quicktime.creationdate ,mdtacom.apple.quicktime.location.ISO6709 $mdtacom.apple.quicktime.software !mdtacom.apple.quicktime.model ilst \01D \001 \015data \001DE\010Apple 0 \002 (data \001DE\0102011-05-11T17:54:04+0200 2 \003 *data \001DE\010+52.4936+013.3897+040.247/ \01D \004 \015data \001DE\0104.3.1 \005 \018data \001DE\010iPhone 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;
+ $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($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 'meta': // METAdata atom
- // https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/Metadata/Metadata.html
+ case 'meta': // METAdata atom
+ // https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/Metadata/Metadata.html
- $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
- $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3));
- $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);
- break;
+ $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
+ $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3));
+ $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms);
+ break;
- case 'data': // metaDATA atom
- static $metaDATAkey = 1; // real ugly, but so is the QuickTime structure that stores keys and values in different multinested locations that are hard to relate to each other
- // 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);
- $atom_structure['key_name'] = @$info['quicktime']['temp_meta_key_names'][$metaDATAkey++];
+ case 'data': // metaDATA atom
+ static $metaDATAkey = 1; // real ugly, but so is the QuickTime structure that stores keys and values in different multinested locations that are hard to relate to each other
+ // 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);
+ $atom_structure['key_name'] = @$info['quicktime']['temp_meta_key_names'][$metaDATAkey++];
- if ($atom_structure['key_name'] && $atom_structure['data']) {
- @$info['quicktime']['comments'][str_replace('com.apple.quicktime.', '', $atom_structure['key_name'])][] = $atom_structure['data'];
- }
- break;
+ if ($atom_structure['key_name'] && $atom_structure['data']) {
+ @$info['quicktime']['comments'][str_replace('com.apple.quicktime.', '', $atom_structure['key_name'])][] = $atom_structure['data'];
+ }
+ break;
- case 'keys': // KEYS that may be present in the metadata atom.
- // https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/Metadata/Metadata.html#//apple_ref/doc/uid/TP40000939-CH1-SW21
- // The metadata item keys atom holds a list of the metadata keys that may be present in the metadata atom.
- // This list is indexed starting with 1; 0 is a reserved index value. The metadata item keys atom is a full atom with an atom type of "keys".
- $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
- $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3));
- $atom_structure['entry_count'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4));
- $keys_atom_offset = 8;
- for ($i = 1; $i <= $atom_structure['entry_count']; $i++) {
- $atom_structure['keys'][$i]['key_size'] = getid3_lib::BigEndian2Int(substr($atom_data, $keys_atom_offset + 0, 4));
- $atom_structure['keys'][$i]['key_namespace'] = substr($atom_data, $keys_atom_offset + 4, 4);
- $atom_structure['keys'][$i]['key_value'] = substr($atom_data, $keys_atom_offset + 8, $atom_structure['keys'][$i]['key_size'] - 8);
- $keys_atom_offset += $atom_structure['keys'][$i]['key_size']; // key_size includes the 4+4 bytes for key_size and key_namespace
-
- $info['quicktime']['temp_meta_key_names'][$i] = $atom_structure['keys'][$i]['key_value'];
- }
- break;
+ case 'keys': // KEYS that may be present in the metadata atom.
+ // https://developer.apple.com/library/mac/documentation/QuickTime/QTFF/Metadata/Metadata.html#//apple_ref/doc/uid/TP40000939-CH1-SW21
+ // The metadata item keys atom holds a list of the metadata keys that may be present in the metadata atom.
+ // This list is indexed starting with 1; 0 is a reserved index value. The metadata item keys atom is a full atom with an atom type of "keys".
+ $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1));
+ $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3));
+ $atom_structure['entry_count'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4));
+ $keys_atom_offset = 8;
+ for ($i = 1; $i <= $atom_structure['entry_count']; $i++) {
+ $atom_structure['keys'][$i]['key_size'] = getid3_lib::BigEndian2Int(substr($atom_data, $keys_atom_offset + 0, 4));
+ $atom_structure['keys'][$i]['key_namespace'] = substr($atom_data, $keys_atom_offset + 4, 4);
+ $atom_structure['keys'][$i]['key_value'] = substr($atom_data, $keys_atom_offset + 8, $atom_structure['keys'][$i]['key_size'] - 8);
+ $keys_atom_offset += $atom_structure['keys'][$i]['key_size']; // key_size includes the 4+4 bytes for key_size and key_namespace
+
+ $info['quicktime']['temp_meta_key_names'][$i] = $atom_structure['keys'][$i]['key_value'];
+ }
+ break;
- default:
- $this->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;
+ case 'gps ':
+ // https://dashcamtalk.com/forum/threads/script-to-extract-gps-data-from-novatek-mp4.20808/page-2#post-291730
+ // The 'gps ' contains simple look up table made up of 8byte rows, that point to the 'free' atoms that contains the actual GPS data.
+ // The first row is version/metadata/notsure, I skip that.
+ // The following rows consist of 4byte address (absolute) and 4byte size (0x1000), these point to the GPS data in the file.
+
+ $GPS_rowsize = 8; // 4 bytes for offset, 4 bytes for size
+ if (strlen($atom_data) > 0) {
+ if ((strlen($atom_data) % $GPS_rowsize) == 0) {
+ $atom_structure['gps_toc'] = array();
+ foreach (str_split($atom_data, $GPS_rowsize) as $counter => $datapair) {
+ $atom_structure['gps_toc'][] = unpack('Noffset/Nsize', substr($atom_data, $counter * $GPS_rowsize, $GPS_rowsize));
+ }
+
+ $atom_structure['gps_entries'] = array();
+ $previous_offset = $this->ftell();
+ foreach ($atom_structure['gps_toc'] as $key => $gps_pointer) {
+ if ($key == 0) {
+ // "The first row is version/metadata/notsure, I skip that."
+ continue;
+ }
+ $this->fseek($gps_pointer['offset']);
+ $GPS_free_data = $this->fread($gps_pointer['size']);
+
+ /*
+ // 2017-05-10: I see some of the data, notably the Hour-Minute-Second, but cannot reconcile the rest of the data. However, the NMEA "GPRMC" line is there and relatively easy to parse, so I'm using that instead
+
+ // https://dashcamtalk.com/forum/threads/script-to-extract-gps-data-from-novatek-mp4.20808/page-2#post-291730
+ // The structure of the GPS data atom (the 'free' atoms mentioned above) is following:
+ // hour,minute,second,year,month,day,active,latitude_b,longitude_b,unknown2,latitude,longitude,speed = struct.unpack_from('<IIIIIIssssfff',data, 48)
+ // For those unfamiliar with python struct:
+ // I = int
+ // s = is string (size 1, in this case)
+ // f = float
+
+ //$atom_structure['gps_entries'][$key] = unpack('Vhour/Vminute/Vsecond/Vyear/Vmonth/Vday/Vactive/Vlatitude_b/Vlongitude_b/Vunknown2/flatitude/flongitude/fspeed', substr($GPS_free_data, 48));
+ */
+
+ // $GPRMC,081836,A,3751.65,S,14507.36,E,000.0,360.0,130998,011.3,E*62
+ // $GPRMC,183731,A,3907.482,N,12102.436,W,000.0,360.0,080301,015.5,E*67
+ // $GPRMC,002454,A,3553.5295,N,13938.6570,E,0.0,43.1,180700,7.1,W,A*3F
+ // $GPRMC,094347.000,A,5342.0061,N,00737.9908,W,0.01,156.75,140217,,,A*7D
+ if (preg_match('#\\$GPRMC,([0-9\\.]*),([AV]),([0-9\\.]*),([NS]),([0-9\\.]*),([EW]),([0-9\\.]*),([0-9\\.]*),([0-9]*),([0-9\\.]*),([EW]?)(,[A])?(\\*[0-9A-F]{2})#', $GPS_free_data, $matches)) {
+ $GPS_this_GPRMC = array();
+ list(
+ $GPS_this_GPRMC['raw']['gprmc'],
+ $GPS_this_GPRMC['raw']['timestamp'],
+ $GPS_this_GPRMC['raw']['status'],
+ $GPS_this_GPRMC['raw']['latitude'],
+ $GPS_this_GPRMC['raw']['latitude_direction'],
+ $GPS_this_GPRMC['raw']['longitude'],
+ $GPS_this_GPRMC['raw']['longitude_direction'],
+ $GPS_this_GPRMC['raw']['knots'],
+ $GPS_this_GPRMC['raw']['angle'],
+ $GPS_this_GPRMC['raw']['datestamp'],
+ $GPS_this_GPRMC['raw']['variation'],
+ $GPS_this_GPRMC['raw']['variation_direction'],
+ $dummy,
+ $GPS_this_GPRMC['raw']['checksum'],
+ ) = $matches;
+
+ $hour = substr($GPS_this_GPRMC['raw']['timestamp'], 0, 2);
+ $minute = substr($GPS_this_GPRMC['raw']['timestamp'], 2, 2);
+ $second = substr($GPS_this_GPRMC['raw']['timestamp'], 4, 2);
+ $ms = substr($GPS_this_GPRMC['raw']['timestamp'], 6); // may contain decimal seconds
+ $day = substr($GPS_this_GPRMC['raw']['datestamp'], 0, 2);
+ $month = substr($GPS_this_GPRMC['raw']['datestamp'], 2, 2);
+ $year = substr($GPS_this_GPRMC['raw']['datestamp'], 4, 2);
+ $year += (($year > 90) ? 1900 : 2000); // complete lack of foresight: datestamps are stored with 2-digit years, take best guess
+ $GPS_this_GPRMC['timestamp'] = $year.'-'.$month.'-'.$day.' '.$hour.':'.$minute.':'.$second.$ms;
+
+ $GPS_this_GPRMC['active'] = ($GPS_this_GPRMC['raw']['status'] == 'A'); // A=Active,V=Void
+
+ foreach (array('latitude','longitude') as $latlon) {
+ preg_match('#^([0-9]{1,3})([0-9]{2}\\.[0-9]+)$#', $GPS_this_GPRMC['raw'][$latlon], $matches);
+ list($dummy, $deg, $min) = $matches;
+ $GPS_this_GPRMC[$latlon] = $deg + ($min / 60);
+ }
+ $GPS_this_GPRMC['latitude'] *= (($GPS_this_GPRMC['raw']['latitude_direction'] == 'S') ? -1 : 1);
+ $GPS_this_GPRMC['longitude'] *= (($GPS_this_GPRMC['raw']['longitude_direction'] == 'W') ? -1 : 1);
+
+ $GPS_this_GPRMC['heading'] = $GPS_this_GPRMC['raw']['angle'];
+ $GPS_this_GPRMC['speed_knot'] = $GPS_this_GPRMC['raw']['knots'];
+ $GPS_this_GPRMC['speed_kmh'] = $GPS_this_GPRMC['raw']['knots'] * 1.852;
+ if ($GPS_this_GPRMC['raw']['variation']) {
+ $GPS_this_GPRMC['variation'] = $GPS_this_GPRMC['raw']['variation'];
+ $GPS_this_GPRMC['variation'] *= (($GPS_this_GPRMC['raw']['variation_direction'] == 'W') ? -1 : 1);
+ }
+
+ $atom_structure['gps_entries'][$key] = $GPS_this_GPRMC;
+
+ @$info['quicktime']['gps_track'][$GPS_this_GPRMC['timestamp']] = array(
+ 'latitude' => (float) $GPS_this_GPRMC['latitude'],
+ 'longitude' => (float) $GPS_this_GPRMC['longitude'],
+ 'speed_kmh' => (float) $GPS_this_GPRMC['speed_kmh'],
+ 'heading' => (float) $GPS_this_GPRMC['heading'],
+ );
+
+ } else {
+ $this->warning('Unhandled GPS format in "free" atom at offset '.$gps_pointer['offset']);
+ }
+ }
+ $this->fseek($previous_offset);
+
+ } else {
+ $this->warning('QuickTime atom "'.$atomname.'" is not mod-8 bytes long ('.$atomsize.' bytes) at offset '.$baseoffset);
+ }
+ } else {
+ $this->warning('QuickTime atom "'.$atomname.'" is zero bytes long at offset '.$baseoffset);
+ }
+ break;
+
+ case 'loci':// 3GP location (El Loco)
+ $loffset = 0;
+ $info['quicktime']['comments']['gps_flags'] = array( getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)));
+ $info['quicktime']['comments']['gps_lang'] = array( getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)));
+ $info['quicktime']['comments']['gps_location'] = array( $this->LociString(substr($atom_data, 6), $loffset));
+ $loci_data = substr($atom_data, 6 + $loffset);
+ $info['quicktime']['comments']['gps_role'] = array( getid3_lib::BigEndian2Int(substr($loci_data, 0, 1)));
+ $info['quicktime']['comments']['gps_longitude'] = array(getid3_lib::FixedPoint16_16(substr($loci_data, 1, 4)));
+ $info['quicktime']['comments']['gps_latitude'] = array(getid3_lib::FixedPoint16_16(substr($loci_data, 5, 4)));
+ $info['quicktime']['comments']['gps_altitude'] = array(getid3_lib::FixedPoint16_16(substr($loci_data, 9, 4)));
+ $info['quicktime']['comments']['gps_body'] = array( $this->LociString(substr($loci_data, 13 ), $loffset));
+ $info['quicktime']['comments']['gps_notes'] = array( $this->LociString(substr($loci_data, 13 + $loffset), $loffset));
+ break;
+
+ case 'chpl': // CHaPter List
+ // https://www.adobe.com/content/dam/Adobe/en/devnet/flv/pdfs/video_file_format_spec_v10.pdf
+ $chpl_version = getid3_lib::BigEndian2Int(substr($atom_data, 4, 1)); // Expected to be 0
+ $chpl_flags = getid3_lib::BigEndian2Int(substr($atom_data, 5, 3)); // Reserved, set to 0
+ $chpl_count = getid3_lib::BigEndian2Int(substr($atom_data, 8, 1));
+ $chpl_offset = 9;
+ for ($i = 0; $i < $chpl_count; $i++) {
+ if (($chpl_offset + 9) >= strlen($atom_data)) {
+ $this->warning('QuickTime chapter '.$i.' extends beyond end of "chpl" atom');
+ break;
+ }
+ $info['quicktime']['chapters'][$i]['timestamp'] = getid3_lib::BigEndian2Int(substr($atom_data, $chpl_offset, 8)) / 10000000; // timestamps are stored as 100-nanosecond units
+ $chpl_offset += 8;
+ $chpl_title_size = getid3_lib::BigEndian2Int(substr($atom_data, $chpl_offset, 1));
+ $chpl_offset += 1;
+ $info['quicktime']['chapters'][$i]['title'] = substr($atom_data, $chpl_offset, $chpl_title_size);
+ $chpl_offset += $chpl_title_size;
+ }
+ break;
+
+ case 'FIRM': // FIRMware version(?), seen on GoPro Hero4
+ $info['quicktime']['camera']['firmware'] = $atom_data;
+ break;
+
+ case 'CAME': // FIRMware version(?), seen on GoPro Hero4
+ $info['quicktime']['camera']['serial_hash'] = unpack('H*', $atom_data);
+ break;
+
+ case 'dscp':
+ case 'rcif':
+ // https://www.getid3.org/phpBB3/viewtopic.php?t=1908
+ if (substr($atom_data, 0, 7) == "\x00\x00\x00\x00\x55\xC4".'{') {
+ if ($json_decoded = @json_decode(rtrim(substr($atom_data, 6), "\x00"), true)) {
+ $info['quicktime']['camera'][$atomname] = $json_decoded;
+ if (($atomname == 'rcif') && isset($info['quicktime']['camera']['rcif']['wxcamera']['rotate'])) {
+ $info['video']['rotate'] = $info['quicktime']['video']['rotate'] = $info['quicktime']['camera']['rcif']['wxcamera']['rotate'];
+ }
+ } else {
+ $this->warning('Failed to JSON decode atom "'.$atomname.'"');
+ $atom_structure['data'] = $atom_data;
+ }
+ unset($json_decoded);
+ } else {
+ $this->warning('Expecting 55 C4 7B at start of atom "'.$atomname.'", found '.getid3_lib::PrintHexBytes(substr($atom_data, 4, 3)).' instead');
+ $atom_structure['data'] = $atom_data;
+ }
+ break;
+
+ case 'frea':
+ // https://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Kodak.html#frea
+ // may contain "scra" (PreviewImage) and/or "thma" (ThumbnailImage)
+ $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 4, $atomHierarchy, $ParseAllPossibleAtoms);
+ break;
+ case 'tima': // subatom to "frea"
+ // no idea what this does, the one sample file I've seen has a value of 0x00000027
+ $atom_structure['data'] = $atom_data;
+ break;
+ case 'ver ': // subatom to "frea"
+ // some kind of version number, the one sample file I've seen has a value of "3.00.073"
+ $atom_structure['data'] = $atom_data;
+ break;
+ case 'thma': // subatom to "frea" -- "ThumbnailImage"
+ // https://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Kodak.html#frea
+ if (strlen($atom_data) > 0) {
+ $info['quicktime']['comments']['picture'][] = array('data'=>$atom_data, 'image_mime'=>'image/jpeg');
+ }
+ break;
+ case 'scra': // subatom to "frea" -- "PreviewImage"
+ // https://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Kodak.html#frea
+ // but the only sample file I've seen has no useful data here
+ if (strlen($atom_data) > 0) {
+ $info['quicktime']['comments']['picture'][] = array('data'=>$atom_data, 'image_mime'=>'image/jpeg');
+ }
+ break;
+
+
+ default:
+ $this->warning('Unknown QuickTime atom type: "'.preg_replace('#[^a-zA-Z0-9 _\\-]#', '?', $atomname).'" ('.trim(getid3_lib::PrintHexBytes($atomname)).'), '.$atomsize.' bytes at offset '.$baseoffset);
+ $atom_structure['data'] = $atom_data;
+ break;
+ }
}
array_pop($atomHierarchy);
return $atom_structure;
}
+ /**
+ * @param string $atom_data
+ * @param int $baseoffset
+ * @param array $atomHierarchy
+ * @param bool $ParseAllPossibleAtoms
+ *
+ * @return array|false
+ */
public function QuicktimeParseContainerAtom($atom_data, $baseoffset, &$atomHierarchy, $ParseAllPossibleAtoms) {
-//echo 'QuicktimeParseContainerAtom('.substr($atom_data, 4, 4).') @ '.$baseoffset.'<br><br>';
$atom_structure = false;
$subatomoffset = 0;
$subatomcounter = 0;
}
return $atom_structure;
}
-
- $atom_structure[$subatomcounter] = $this->QuicktimeParseAtom($subatomname, $subatomsize, $subatomdata, $baseoffset + $subatomoffset, $atomHierarchy, $ParseAllPossibleAtoms);
-
+ $atom_structure[$subatomcounter++] = $this->QuicktimeParseAtom($subatomname, $subatomsize, $subatomdata, $baseoffset + $subatomoffset, $atomHierarchy, $ParseAllPossibleAtoms);
$subatomoffset += $subatomsize;
- $subatomcounter++;
}
return $atom_structure;
}
-
+ /**
+ * @param string $data
+ * @param int $offset
+ *
+ * @return int
+ */
public function quicktime_read_mp4_descr_length($data, &$offset) {
// http://libquicktime.sourcearchive.com/documentation/2:1.0.2plus-pdebian-2build1/esds_8c-source.html
$num_bytes = 0;
return $length;
}
-
+ /**
+ * @param int $languageid
+ *
+ * @return string
+ */
public function QuicktimeLanguageLookup($languageid) {
// http://developer.apple.com/library/mac/#documentation/QuickTime/QTFF/QTFFChap4/qtff4.html#//apple_ref/doc/uid/TP40000939-CH206-34353
static $QuicktimeLanguageLookup = array();
return (isset($QuicktimeLanguageLookup[$languageid]) ? $QuicktimeLanguageLookup[$languageid] : 'invalid');
}
+ /**
+ * @param string $codecid
+ *
+ * @return string
+ */
public function QuicktimeVideoCodecLookup($codecid) {
static $QuicktimeVideoCodecLookup = array();
if (empty($QuicktimeVideoCodecLookup)) {
return (isset($QuicktimeVideoCodecLookup[$codecid]) ? $QuicktimeVideoCodecLookup[$codecid] : '');
}
+ /**
+ * @param string $codecid
+ *
+ * @return mixed|string
+ */
public function QuicktimeAudioCodecLookup($codecid) {
static $QuicktimeAudioCodecLookup = array();
if (empty($QuicktimeAudioCodecLookup)) {
return (isset($QuicktimeAudioCodecLookup[$codecid]) ? $QuicktimeAudioCodecLookup[$codecid] : '');
}
+ /**
+ * @param string $compressionid
+ *
+ * @return string
+ */
public function QuicktimeDCOMLookup($compressionid) {
static $QuicktimeDCOMLookup = array();
if (empty($QuicktimeDCOMLookup)) {
return (isset($QuicktimeDCOMLookup[$compressionid]) ? $QuicktimeDCOMLookup[$compressionid] : '');
}
+ /**
+ * @param int $colordepthid
+ *
+ * @return string
+ */
public function QuicktimeColorNameLookup($colordepthid) {
static $QuicktimeColorNameLookup = array();
if (empty($QuicktimeColorNameLookup)) {
return (isset($QuicktimeColorNameLookup[$colordepthid]) ? $QuicktimeColorNameLookup[$colordepthid] : 'invalid');
}
+ /**
+ * @param int $stik
+ *
+ * @return string
+ */
public function QuicktimeSTIKLookup($stik) {
static $QuicktimeSTIKLookup = array();
if (empty($QuicktimeSTIKLookup)) {
return (isset($QuicktimeSTIKLookup[$stik]) ? $QuicktimeSTIKLookup[$stik] : 'invalid');
}
+ /**
+ * @param int $audio_profile_id
+ *
+ * @return string
+ */
public function QuicktimeIODSaudioProfileName($audio_profile_id) {
static $QuicktimeIODSaudioProfileNameLookup = array();
if (empty($QuicktimeIODSaudioProfileNameLookup)) {
return (isset($QuicktimeIODSaudioProfileNameLookup[$audio_profile_id]) ? $QuicktimeIODSaudioProfileNameLookup[$audio_profile_id] : 'ISO Reserved / User Private');
}
-
+ /**
+ * @param int $video_profile_id
+ *
+ * @return string
+ */
public function QuicktimeIODSvideoProfileName($video_profile_id) {
static $QuicktimeIODSvideoProfileNameLookup = array();
if (empty($QuicktimeIODSvideoProfileNameLookup)) {
return (isset($QuicktimeIODSvideoProfileNameLookup[$video_profile_id]) ? $QuicktimeIODSvideoProfileNameLookup[$video_profile_id] : 'ISO Reserved Profile');
}
-
+ /**
+ * @param int $rtng
+ *
+ * @return string
+ */
public function QuicktimeContentRatingLookup($rtng) {
static $QuicktimeContentRatingLookup = array();
if (empty($QuicktimeContentRatingLookup)) {
return (isset($QuicktimeContentRatingLookup[$rtng]) ? $QuicktimeContentRatingLookup[$rtng] : 'invalid');
}
+ /**
+ * @param int $akid
+ *
+ * @return string
+ */
public function QuicktimeStoreAccountTypeLookup($akid) {
static $QuicktimeStoreAccountTypeLookup = array();
if (empty($QuicktimeStoreAccountTypeLookup)) {
return (isset($QuicktimeStoreAccountTypeLookup[$akid]) ? $QuicktimeStoreAccountTypeLookup[$akid] : 'invalid');
}
+ /**
+ * @param int $sfid
+ *
+ * @return string
+ */
public function QuicktimeStoreFrontCodeLookup($sfid) {
static $QuicktimeStoreFrontCodeLookup = array();
if (empty($QuicktimeStoreFrontCodeLookup)) {
return (isset($QuicktimeStoreFrontCodeLookup[$sfid]) ? $QuicktimeStoreFrontCodeLookup[$sfid] : 'invalid');
}
+ /**
+ * @param string $atom_data
+ *
+ * @return array
+ */
public function QuicktimeParseNikonNCTG($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
);
$offset = 0;
+ $data = null;
$datalength = strlen($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;
$offset += ($data_size * 2);
break;
default:
-echo 'QuicktimeParseNikonNCTG()::unknown $data_size_type: '.$data_size_type.'<br>';
+ echo 'QuicktimeParseNikonNCTG()::unknown $data_size_type: '.$data_size_type.'<br>';
break 2;
}
return $parsed;
}
-
+ /**
+ * @param string $keyname
+ * @param string|array $data
+ * @param string $boxname
+ *
+ * @return bool
+ */
public function CopyToAppropriateCommentsSection($keyname, $data, $boxname='') {
static $handyatomtranslatorarray = array();
if (empty($handyatomtranslatorarray)) {
$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
+ $handyatomtranslatorarray['PLAY_COUNTER'] = 'play_counter'; // Foobar2000 - https://www.getid3.org/phpBB3/viewtopic.php?t=1355
+ $handyatomtranslatorarray['MEDIATYPE'] = 'mediatype'; // Foobar2000 - https://www.getid3.org/phpBB3/viewtopic.php?t=1355
*/
}
$info = &$this->getid3->info;
return true;
}
+ /**
+ * @param string $lstring
+ * @param int $count
+ *
+ * @return string
+ */
+ public function LociString($lstring, &$count) {
+ // Loci strings are UTF-8 or UTF-16 and null (x00/x0000) terminated. UTF-16 has a BOM
+ // Also need to return the number of bytes the string occupied so additional fields can be extracted
+ $len = strlen($lstring);
+ if ($len == 0) {
+ $count = 0;
+ return '';
+ }
+ if ($lstring[0] == "\x00") {
+ $count = 1;
+ return '';
+ }
+ //check for BOM
+ if ($len > 2 && (($lstring[0] == "\xFE" && $lstring[1] == "\xFF") || ($lstring[0] == "\xFF" && $lstring[1] == "\xFE"))) {
+ //UTF-16
+ if (preg_match('/(.*)\x00/', $lstring, $lmatches)){
+ $count = strlen($lmatches[1]) * 2 + 2; //account for 2 byte characters and trailing \x0000
+ return getid3_lib::iconv_fallback_utf16_utf8($lmatches[1]);
+ } else {
+ return '';
+ }
+ } else {
+ //UTF-8
+ if (preg_match('/(.*)\x00/', $lstring, $lmatches)){
+ $count = strlen($lmatches[1]) + 1; //account for trailing \x00
+ return $lmatches[1];
+ }else {
+ return '';
+ }
+
+ }
+ }
+
+ /**
+ * @param string $nullterminatedstring
+ *
+ * @return string
+ */
public function NoNullString($nullterminatedstring) {
// remove the single null terminator on null terminated strings
if (substr($nullterminatedstring, strlen($nullterminatedstring) - 1, 1) === "\x00") {
return $nullterminatedstring;
}
+ /**
+ * @param string $pascalstring
+ *
+ * @return string
+ */
public function Pascal2String($pascalstring) {
// Pascal strings have 1 unsigned byte at the beginning saying how many chars (1-255) are in the string
return substr($pascalstring, 1);
}
- /*
- // helper functions for m4b audiobook chapters
- // code by Steffen Hartmann 2015-Nov-08
- */
+ /**
+ * Helper functions for m4b audiobook chapters
+ * code by Steffen Hartmann 2015-Nov-08.
+ *
+ * @param array $info
+ * @param string $tag
+ * @param string $history
+ * @param array $result
+ */
public function search_tag_by_key($info, $tag, $history, &$result) {
foreach ($info as $key => $value) {
$key_history = $history.'/'.$key;
}
}
+ /**
+ * @param array $info
+ * @param string $k
+ * @param string $v
+ * @param string $history
+ * @param array $result
+ */
public function search_tag_by_pair($info, $k, $v, $history, &$result) {
foreach ($info as $key => $value) {
$key_history = $history.'/'.$key;
}
}
+ /**
+ * @param array $info
+ *
+ * @return array
+ */
public function quicktime_time_to_sample_table($info) {
$res = array();
$this->search_tag_by_pair($info['quicktime']['moov'], 'name', 'stbl', 'quicktime/moov', $res);
return array();
}
- function quicktime_bookmark_time_scale($info) {
+ /**
+ * @param array $info
+ *
+ * @return int
+ */
+ public function quicktime_bookmark_time_scale($info) {
$time_scale = '';
$ts_prefix_len = 0;
$res = array();
if (count($stbl_res) > 0) {
$ts_res = array();
$this->search_tag_by_key($info['quicktime']['moov'], 'time_scale', 'quicktime/moov', $ts_res);
- foreach ($ts_res as $value) {
- $prefix = substr($value[0], 0, -12);
+ foreach ($ts_res as $sub_value) {
+ $prefix = substr($sub_value[0], 0, -12);
if ((substr($stbl_res[0][0], 0, strlen($prefix)) === $prefix) && ($ts_prefix_len < strlen($prefix))) {
- $time_scale = $value[1]['time_scale'];
+ $time_scale = $sub_value[1]['time_scale'];
$ts_prefix_len = strlen($prefix);
}
}
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