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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 07:56:49 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 07:56:49 +0000 |
| commit | a415c29efee45520ae252d2aa28f1083a521cd7b (patch) | |
| tree | f4ade4b6668ecc0765de7e1424f7c1427ad433ff /wp-includes/ID3/module.audio-video.quicktime.php | |
| parent | Initial commit. (diff) | |
| download | wordpress-a415c29efee45520ae252d2aa28f1083a521cd7b.tar.xz wordpress-a415c29efee45520ae252d2aa28f1083a521cd7b.zip | |
Adding upstream version 6.4.3+dfsg1.upstream/6.4.3+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'wp-includes/ID3/module.audio-video.quicktime.php')
| -rw-r--r-- | wp-includes/ID3/module.audio-video.quicktime.php | 3026 |
1 files changed, 3026 insertions, 0 deletions
diff --git a/wp-includes/ID3/module.audio-video.quicktime.php b/wp-includes/ID3/module.audio-video.quicktime.php new file mode 100644 index 0000000..577d3ad --- /dev/null +++ b/wp-includes/ID3/module.audio-video.quicktime.php @@ -0,0 +1,3026 @@ +<?php + +///////////////////////////////////////////////////////////////// +/// getID3() by James Heinrich <info@getid3.org> // +// 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 // +// module for analyzing Quicktime and MP3-in-MP4 files // +// dependencies: module.audio.mp3.php // +// dependencies: module.tag.id3v2.php // +// /// +///////////////////////////////////////////////////////////////// + +if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers + exit; +} +getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.mp3.php', __FILE__, true); +getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.id3v2.php', __FILE__, true); // needed for ISO 639-2 language code lookup + +class getid3_quicktime extends getid3_handler +{ + + /** audio-video.quicktime + * return all parsed data from all atoms if true, otherwise just returned parsed metadata + * + * @var bool + */ + public $ReturnAtomData = false; + + /** audio-video.quicktime + * return all parsed data from all atoms if true, otherwise just returned parsed metadata + * + * @var bool + */ + public $ParseAllPossibleAtoms = false; + + /** + * @return bool + */ + public function Analyze() { + $info = &$this->getid3->info; + + $info['fileformat'] = 'quicktime'; + $info['quicktime']['hinting'] = false; + $info['quicktime']['controller'] = 'standard'; // may be overridden if 'ctyp' atom is present + + $this->fseek($info['avdataoffset']); + + $offset = 0; + $atomcounter = 0; + $atom_data_read_buffer_size = $info['php_memory_limit'] ? round($info['php_memory_limit'] / 4) : $this->getid3->option_fread_buffer_size * 1024; // set read buffer to 25% of PHP memory limit (if one is specified), otherwise use option_fread_buffer_size [default: 32MB] + while ($offset < $info['avdataend']) { + if (!getid3_lib::intValueSupported($offset)) { + $this->error('Unable to parse atom at offset '.$offset.' because beyond '.round(PHP_INT_MAX / 1073741824).'GB limit of PHP filesystem functions'); + break; + } + $this->fseek($offset); + $AtomHeader = $this->fread(8); + + // https://github.com/JamesHeinrich/getID3/issues/382 + // Atom sizes are stored as 32-bit number in most cases, but sometimes (notably for "mdat") + // a 64-bit value is required, in which case the normal 32-bit size field is set to 0x00000001 + // and the 64-bit "real" size value is the next 8 bytes. + $atom_size_extended_bytes = 0; + $atomsize = getid3_lib::BigEndian2Int(substr($AtomHeader, 0, 4)); + $atomname = substr($AtomHeader, 4, 4); + if ($atomsize == 1) { + $atom_size_extended_bytes = 8; + $atomsize = getid3_lib::BigEndian2Int($this->fread($atom_size_extended_bytes)); + } + + if (($offset + $atomsize) > $info['avdataend']) { + $info['quicktime'][$atomname]['name'] = $atomname; + $info['quicktime'][$atomname]['size'] = $atomsize; + $info['quicktime'][$atomname]['offset'] = $offset; + $this->error('Atom at offset '.$offset.' claims to go beyond end-of-file (length: '.$atomsize.' bytes)'); + return false; + } + if ($atomsize == 0) { + // Furthermore, for historical reasons the list of atoms is optionally + // terminated by a 32-bit integer set to 0. If you are writing a program + // to read user data atoms, you should allow for the terminating 0. + $info['quicktime'][$atomname]['name'] = $atomname; + $info['quicktime'][$atomname]['size'] = $atomsize; + $info['quicktime'][$atomname]['offset'] = $offset; + break; + } + $atomHierarchy = array(); + $parsedAtomData = $this->QuicktimeParseAtom($atomname, $atomsize, $this->fread(min($atomsize - $atom_size_extended_bytes, $atom_data_read_buffer_size)), $offset, $atomHierarchy, $this->ParseAllPossibleAtoms); + $parsedAtomData['name'] = $atomname; + $parsedAtomData['size'] = $atomsize; + $parsedAtomData['offset'] = $offset; + if ($atom_size_extended_bytes) { + $parsedAtomData['xsize_bytes'] = $atom_size_extended_bytes; + } + if (in_array($atomname, array('uuid'))) { + @$info['quicktime'][$atomname][] = $parsedAtomData; + } else { + $info['quicktime'][$atomname] = $parsedAtomData; + } + + $offset += $atomsize; + $atomcounter++; + } + + if (!empty($info['avdataend_tmp'])) { + // this value is assigned to a temp value and then erased because + // otherwise any atoms beyond the 'mdat' atom would not get parsed + $info['avdataend'] = $info['avdataend_tmp']; + unset($info['avdataend_tmp']); + } + + if (isset($info['quicktime']['comments']['chapters']) && is_array($info['quicktime']['comments']['chapters']) && (count($info['quicktime']['comments']['chapters']) > 0)) { + $durations = $this->quicktime_time_to_sample_table($info); + for ($i = 0; $i < count($info['quicktime']['comments']['chapters']); $i++) { + $bookmark = array(); + $bookmark['title'] = $info['quicktime']['comments']['chapters'][$i]; + if (isset($durations[$i])) { + $bookmark['duration_sample'] = $durations[$i]['sample_duration']; + if ($i > 0) { + $bookmark['start_sample'] = $info['quicktime']['bookmarks'][($i - 1)]['start_sample'] + $info['quicktime']['bookmarks'][($i - 1)]['duration_sample']; + } else { + $bookmark['start_sample'] = 0; + } + if ($time_scale = $this->quicktime_bookmark_time_scale($info)) { + $bookmark['duration_seconds'] = $bookmark['duration_sample'] / $time_scale; + $bookmark['start_seconds'] = $bookmark['start_sample'] / $time_scale; + } + } + $info['quicktime']['bookmarks'][] = $bookmark; + } + } + + if (isset($info['quicktime']['temp_meta_key_names'])) { + unset($info['quicktime']['temp_meta_key_names']); + } + + if (!empty($info['quicktime']['comments']['location.ISO6709'])) { + // https://en.wikipedia.org/wiki/ISO_6709 + foreach ($info['quicktime']['comments']['location.ISO6709'] as $ISO6709string) { + $ISO6709parsed = array('latitude'=>false, 'longitude'=>false, 'altitude'=>false); + if (preg_match('#^([\\+\\-])([0-9]{2}|[0-9]{4}|[0-9]{6})(\\.[0-9]+)?([\\+\\-])([0-9]{3}|[0-9]{5}|[0-9]{7})(\\.[0-9]+)?(([\\+\\-])([0-9]{3}|[0-9]{5}|[0-9]{7})(\\.[0-9]+)?)?/$#', $ISO6709string, $matches)) { + // phpcs:ignore PHPCompatibility.Lists.AssignmentOrder.Affected + @list($dummy, $lat_sign, $lat_deg, $lat_deg_dec, $lon_sign, $lon_deg, $lon_deg_dec, $dummy, $alt_sign, $alt_deg, $alt_deg_dec) = $matches; + + if (strlen($lat_deg) == 2) { // [+-]DD.D + $ISO6709parsed['latitude'] = (($lat_sign == '-') ? -1 : 1) * floatval(ltrim($lat_deg, '0').$lat_deg_dec); + } elseif (strlen($lat_deg) == 4) { // [+-]DDMM.M + $ISO6709parsed['latitude'] = (($lat_sign == '-') ? -1 : 1) * floatval(ltrim(substr($lat_deg, 0, 2), '0')) + floatval(ltrim(substr($lat_deg, 2, 2), '0').$lat_deg_dec / 60); + } elseif (strlen($lat_deg) == 6) { // [+-]DDMMSS.S + $ISO6709parsed['latitude'] = (($lat_sign == '-') ? -1 : 1) * floatval(ltrim(substr($lat_deg, 0, 2), '0')) + floatval(ltrim(substr($lat_deg, 2, 2), '0') / 60) + floatval(ltrim(substr($lat_deg, 4, 2), '0').$lat_deg_dec / 3600); + } + + if (strlen($lon_deg) == 3) { // [+-]DDD.D + $ISO6709parsed['longitude'] = (($lon_sign == '-') ? -1 : 1) * floatval(ltrim($lon_deg, '0').$lon_deg_dec); + } elseif (strlen($lon_deg) == 5) { // [+-]DDDMM.M + $ISO6709parsed['longitude'] = (($lon_sign == '-') ? -1 : 1) * floatval(ltrim(substr($lon_deg, 0, 2), '0')) + floatval(ltrim(substr($lon_deg, 2, 2), '0').$lon_deg_dec / 60); + } elseif (strlen($lon_deg) == 7) { // [+-]DDDMMSS.S + $ISO6709parsed['longitude'] = (($lon_sign == '-') ? -1 : 1) * floatval(ltrim(substr($lon_deg, 0, 2), '0')) + floatval(ltrim(substr($lon_deg, 2, 2), '0') / 60) + floatval(ltrim(substr($lon_deg, 4, 2), '0').$lon_deg_dec / 3600); + } + + if (strlen($alt_deg) == 3) { // [+-]DDD.D + $ISO6709parsed['altitude'] = (($alt_sign == '-') ? -1 : 1) * floatval(ltrim($alt_deg, '0').$alt_deg_dec); + } elseif (strlen($alt_deg) == 5) { // [+-]DDDMM.M + $ISO6709parsed['altitude'] = (($alt_sign == '-') ? -1 : 1) * floatval(ltrim(substr($alt_deg, 0, 2), '0')) + floatval(ltrim(substr($alt_deg, 2, 2), '0').$alt_deg_dec / 60); + } elseif (strlen($alt_deg) == 7) { // [+-]DDDMMSS.S + $ISO6709parsed['altitude'] = (($alt_sign == '-') ? -1 : 1) * floatval(ltrim(substr($alt_deg, 0, 2), '0')) + floatval(ltrim(substr($alt_deg, 2, 2), '0') / 60) + floatval(ltrim(substr($alt_deg, 4, 2), '0').$alt_deg_dec / 3600); + } + + foreach (array('latitude', 'longitude', 'altitude') as $key) { + if ($ISO6709parsed[$key] !== false) { + $value = (($lat_sign == '-') ? -1 : 1) * floatval($ISO6709parsed[$key]); + if (!isset($info['quicktime']['comments']['gps_'.$key]) || !in_array($value, $info['quicktime']['comments']['gps_'.$key])) { + @$info['quicktime']['comments']['gps_'.$key][] = (($lat_sign == '-') ? -1 : 1) * floatval($ISO6709parsed[$key]); + } + } + } + } + if ($ISO6709parsed['latitude'] === false) { + $this->warning('location.ISO6709 string not parsed correctly: "'.$ISO6709string.'", please submit as a bug'); + } + break; + } + } + + if (!isset($info['bitrate']) && !empty($info['playtime_seconds'])) { + $info['bitrate'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / $info['playtime_seconds']; + } + if (isset($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 / $info['playtime_seconds']; + if ($samples_per_second > 240) { + // has to be audio samples + } else { + $info['video']['frame_rate'] = $samples_per_second; + break; + } + } + } + if ($info['audio']['dataformat'] == 'mp4') { + $info['fileformat'] = 'mp4'; + if (empty($info['video']['resolution_x'])) { + $info['mime_type'] = 'audio/mp4'; + unset($info['video']['dataformat']); + } else { + $info['mime_type'] = 'video/mp4'; + } + } + + if (!$this->ReturnAtomData) { + unset($info['quicktime']['moov']); + } + + if (empty($info['audio']['dataformat']) && !empty($info['quicktime']['audio'])) { + $info['audio']['dataformat'] = 'quicktime'; + } + if (empty($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($atomHierarchy); see https://www.getid3.org/phpBB3/viewtopic.php?t=1717 + array_push($atomHierarchy, $atomname); + $atom_structure = array(); + $atom_structure['hierarchy'] = implode(' ', $atomHierarchy); + $atom_structure['name'] = $atomname; + $atom_structure['size'] = $atomsize; + $atom_structure['offset'] = $baseoffset; + if (substr($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 'moof': // MOvie Fragment box + case 'trak': // TRAcK container atom + case 'traf': // TRAck Fragment box + 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 'nmhd': // Null Media HeaDer 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) { + $newData = array(); + foreach ($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 '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 = $value_array2['sample_count']; + } + } + } + } + if ($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 + $boxsmallsize); + } + } else { + while ($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); + // 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'; + } + $info['quicktime']['comments']['picture'][] = array('image_mime'=>$atom_structure['image_mime'], 'data'=>$atom_structure['data'], 'description'=>'cover'); + 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 ($atomname == 'covr') { + if (!empty($atom_structure['data'])) { + $atom_structure['image_mime'] = 'image/unknown'; // provide default MIME type to ensure array keys exist + if (function_exists('getimagesizefromstring') && ($getimagesize = getimagesizefromstring($atom_structure['data'])) && !empty($getimagesize['mime'])) { + $atom_structure['image_mime'] = $getimagesize['mime']; + } else { + // if getimagesizefromstring is not available, or fails for some reason, fall back to simple detection of common image formats + $ImageFormatSignatures = array( + 'image/jpeg' => "\xFF\xD8\xFF", + 'image/png' => "\x89\x50\x4E\x47\x0D\x0A\x1A\x0A", + 'image/gif' => 'GIF', + ); + foreach ($ImageFormatSignatures as $mime => $image_format_signature) { + if (substr($atom_structure['data'], 0, strlen($image_format_signature)) == $image_format_signature) { + $atom_structure['image_mime'] = $mime; + break; + } + } + } + $info['quicktime']['comments']['picture'][] = array('image_mime'=>$atom_structure['image_mime'], 'data'=>$atom_structure['data'], 'description'=>'cover'); + } else { + $this->warning('Unknown empty "covr" image at offset '.$baseoffset); + } + } + 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; + + } + } + } + } + $this->CopyToAppropriateCommentsSection($atomname, $atom_structure['data'], $atom_structure['name']); + break; + + + case 'play': // auto-PLAY atom + $atom_structure['autoplay'] = (bool) getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); + + $info['quicktime']['autoplay'] = $atom_structure['autoplay']; + break; + + + case 'WLOC': // Window LOCation atom + $atom_structure['location_x'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2)); + $atom_structure['location_y'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2)); + break; + + + case 'LOOP': // LOOPing atom + case 'SelO': // play SELection Only atom + case 'AllF': // play ALL Frames atom + $atom_structure['data'] = getid3_lib::BigEndian2Int($atom_data); + break; + + + case 'name': // + case 'MCPS': // Media Cleaner PRo + case '@PRM': // adobe PReMiere version + case '@PRQ': // adobe PRemiere Quicktime version + $atom_structure['data'] = $atom_data; + break; + + + case 'cmvd': // Compressed MooV Data atom + // Code by ubergeekØubergeek*tv based on information from + // http://developer.apple.com/quicktime/icefloe/dispatch012.html + $atom_structure['unCompressedSize'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); + + $CompressedFileData = substr($atom_data, 4); + if ($UncompressedHeader = @gzuncompress($CompressedFileData)) { + $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($UncompressedHeader, 0, $atomHierarchy, $ParseAllPossibleAtoms); + } else { + $this->warning('Error decompressing compressed MOV atom at offset '.$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 'rdrf': // Reference movie Data ReFerence atom + $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); + $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); + $atom_structure['flags']['internal_data'] = (bool) ($atom_structure['flags_raw'] & 0x000001); + + $atom_structure['reference_type_name'] = substr($atom_data, 4, 4); + $atom_structure['reference_length'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); + switch ($atom_structure['reference_type_name']) { + case 'url ': + $atom_structure['url'] = $this->NoNullString(substr($atom_data, 12)); + break; + + case 'alis': + $atom_structure['file_alias'] = substr($atom_data, 12); + break; + + case 'rsrc': + $atom_structure['resource_alias'] = substr($atom_data, 12); + break; + + default: + $atom_structure['data'] = substr($atom_data, 12); + break; + } + break; + + + case 'rmqu': // Reference Movie QUality atom + $atom_structure['movie_quality'] = getid3_lib::BigEndian2Int($atom_data); + break; + + + case 'rmcs': // Reference Movie Cpu Speed atom + $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); + $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 + $atom_structure['cpu_speed_rating'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); + break; + + + case 'rmvc': // Reference Movie Version Check atom + $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); + $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 + $atom_structure['gestalt_selector'] = substr($atom_data, 4, 4); + $atom_structure['gestalt_value_mask'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); + $atom_structure['gestalt_value'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); + $atom_structure['gestalt_check_type'] = getid3_lib::BigEndian2Int(substr($atom_data, 14, 2)); + break; + + + case 'rmcd': // Reference Movie Component check atom + $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); + $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 + $atom_structure['component_type'] = substr($atom_data, 4, 4); + $atom_structure['component_subtype'] = substr($atom_data, 8, 4); + $atom_structure['component_manufacturer'] = substr($atom_data, 12, 4); + $atom_structure['component_flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); + $atom_structure['component_flags_mask'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 4)); + $atom_structure['component_min_version'] = getid3_lib::BigEndian2Int(substr($atom_data, 24, 4)); + break; + + + case 'rmdr': // Reference Movie Data Rate atom + $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); + $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 + $atom_structure['data_rate'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); + + $atom_structure['data_rate_bps'] = $atom_structure['data_rate'] * 10; + break; + + + case 'rmla': // Reference Movie Language Atom + $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); + $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 + $atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); + + $atom_structure['language'] = $this->QuicktimeLanguageLookup($atom_structure['language_id']); + if (empty($info['comments']['language']) || (!in_array($atom_structure['language'], $info['comments']['language']))) { + $info['comments']['language'][] = $atom_structure['language']; + } + break; + + + case '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']; + + $ptv_lookup = array( + 0 => 'normal', + 1 => 'double', + 2 => 'half', + 3 => 'full', + 4 => 'current' + ); + if (isset($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'); + } + } + + $stsdEntriesDataOffset = 8; + for ($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'][$i]['size'] - 4 - 4 - 6 - 2); + + if (substr($atom_structure['sample_description_table'][$i]['data'], 1, 54) == 'application/octet-stream;type=com.parrot.videometadata') { + // special handling for apparently-malformed (TextMetaDataSampleEntry?) data for some version of Parrot drones + $atom_structure['sample_description_table'][$i]['parrot_frame_metadata']['mime_type'] = substr($atom_structure['sample_description_table'][$i]['data'], 1, 55); + $atom_structure['sample_description_table'][$i]['parrot_frame_metadata']['metadata_version'] = (int) substr($atom_structure['sample_description_table'][$i]['data'], 55, 1); + unset($atom_structure['sample_description_table'][$i]['data']); +$this->warning('incomplete/incorrect handling of "stsd" with Parrot metadata in this version of getID3() ['.$this->getid3->version().']'); + continue; + } + + $atom_structure['sample_description_table'][$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 'hvc1': + 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 '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: + // 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'] = (((int) $atom_structure['sample_description_table'][$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'] = (((int) $atom_structure['sample_description_table'][$i]['video_encoder_name_len'] > 0) ? $atom_structure['sample_description_table'][$i]['video_encoder_name'] : $atom_structure['sample_description_table'][$i]['data_format']); + $info['quicktime']['video']['color_depth'] = $atom_structure['sample_description_table'][$i]['video_pixel_color_depth']; + $info['quicktime']['video']['color_depth_name'] = $atom_structure['sample_description_table'][$i]['video_pixel_color_name']; + + $info['video']['codec'] = $info['quicktime']['video']['codec']; + $info['video']['bits_per_sample'] = $info['quicktime']['video']['color_depth']; + } + $info['video']['lossless'] = false; + $info['video']['pixel_aspect_ratio'] = (float) 1; + break; + } + break; + } + switch (strtolower($atom_structure['sample_description_table'][$i]['data_format'])) { + case 'mp4a': + $info['audio']['dataformat'] = 'mp4'; + $info['quicktime']['audio']['codec'] = 'mp4'; + break; + + case '3ivx': + case '3iv1': + case '3iv2': + $info['video']['dataformat'] = '3ivx'; + break; + + case 'xvid': + $info['video']['dataformat'] = 'xvid'; + break; + + case 'mp4v': + $info['video']['dataformat'] = 'mpeg4'; + break; + + case 'divx': + case 'div1': + case 'div2': + case 'div3': + case 'div4': + case 'div5': + case 'div6': + $info['video']['dataformat'] = 'divx'; + break; + + default: + // do nothing + break; + } + unset($atom_structure['sample_description_table'][$i]['data']); + } + break; + + + case 'stts': // Sample Table Time-to-Sample atom + $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); + $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 + $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); + $sttsEntriesDataOffset = 8; + //$FrameRateCalculatorArray = array(); + $frames_count = 0; + + $max_stts_entries_to_scan = ($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 / $frames_per_second; + //} + //if (($sttsFramesTotal > 0) && ($sttsSecondsTotal > 0)) { + // if (($sttsFramesTotal / $sttsSecondsTotal) > $info['video']['frame_rate']) { + // $info['video']['frame_rate'] = $sttsFramesTotal / $sttsSecondsTotal; + // } + //} + break; + + + case 'stss': // Sample Table Sync Sample (key frames) atom + if ($ParseAllPossibleAtoms) { + $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); + $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 + $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); + $stssEntriesDataOffset = 8; + for ($i = 0; $i < $atom_structure['number_entries']; $i++) { + $atom_structure['time_to_sample_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stssEntriesDataOffset, 4)); + $stssEntriesDataOffset += 4; + } + } + break; + + + case 'stsc': // Sample Table Sample-to-Chunk atom + if ($ParseAllPossibleAtoms) { + $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); + $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 + $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); + $stscEntriesDataOffset = 8; + for ($i = 0; $i < $atom_structure['number_entries']; $i++) { + $atom_structure['sample_to_chunk_table'][$i]['first_chunk'] = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4)); + $stscEntriesDataOffset += 4; + $atom_structure['sample_to_chunk_table'][$i]['samples_per_chunk'] = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4)); + $stscEntriesDataOffset += 4; + $atom_structure['sample_to_chunk_table'][$i]['sample_description'] = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4)); + $stscEntriesDataOffset += 4; + } + } + break; + + + case 'stsz': // Sample Table SiZe atom + if ($ParseAllPossibleAtoms) { + $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); + $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 + $atom_structure['sample_size'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); + $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); + $stszEntriesDataOffset = 12; + if ($atom_structure['sample_size'] == 0) { + for ($i = 0; $i < $atom_structure['number_entries']; $i++) { + $atom_structure['sample_size_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stszEntriesDataOffset, 4)); + $stszEntriesDataOffset += 4; + } + } + } + break; + + + case 'stco': // Sample Table Chunk Offset atom +// if (true) { + if ($ParseAllPossibleAtoms) { + $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); + $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 + $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); + $stcoEntriesDataOffset = 8; + for ($i = 0; $i < $atom_structure['number_entries']; $i++) { + $atom_structure['chunk_offset_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stcoEntriesDataOffset, 4)); + $stcoEntriesDataOffset += 4; + } + } + break; + + + case 'co64': // Chunk Offset 64-bit (version of "stco" that supports > 2GB files) + if ($ParseAllPossibleAtoms) { + $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); + $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 + $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); + $stcoEntriesDataOffset = 8; + for ($i = 0; $i < $atom_structure['number_entries']; $i++) { + $atom_structure['chunk_offset_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stcoEntriesDataOffset, 8)); + $stcoEntriesDataOffset += 8; + } + } + break; + + + case 'dref': // Data REFerence atom + $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); + $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 + $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); + $drefDataOffset = 8; + for ($i = 0; $i < $atom_structure['number_entries']; $i++) { + $atom_structure['data_references'][$i]['size'] = getid3_lib::BigEndian2Int(substr($atom_data, $drefDataOffset, 4)); + $drefDataOffset += 4; + $atom_structure['data_references'][$i]['type'] = substr($atom_data, $drefDataOffset, 4); + $drefDataOffset += 4; + $atom_structure['data_references'][$i]['version'] = getid3_lib::BigEndian2Int(substr($atom_data, $drefDataOffset, 1)); + $drefDataOffset += 1; + $atom_structure['data_references'][$i]['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, $drefDataOffset, 3)); // hardcoded: 0x0000 + $drefDataOffset += 3; + $atom_structure['data_references'][$i]['data'] = substr($atom_data, $drefDataOffset, ($atom_structure['data_references'][$i]['size'] - 4 - 4 - 1 - 3)); + $drefDataOffset += ($atom_structure['data_references'][$i]['size'] - 4 - 4 - 1 - 3); + + $atom_structure['data_references'][$i]['flags']['self_reference'] = (bool) ($atom_structure['data_references'][$i]['flags_raw'] & 0x001); + } + break; + + + case 'gmin': // base Media INformation atom + $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); + $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 + $atom_structure['graphics_mode'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); + $atom_structure['opcolor_red'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2)); + $atom_structure['opcolor_green'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 2)); + $atom_structure['opcolor_blue'] = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2)); + $atom_structure['balance'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 2)); + $atom_structure['reserved'] = getid3_lib::BigEndian2Int(substr($atom_data, 14, 2)); + break; + + + case 'smhd': // Sound Media information HeaDer atom + $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); + $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 + $atom_structure['balance'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); + $atom_structure['reserved'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2)); + break; + + + case 'vmhd': // Video Media information HeaDer atom + $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); + $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); + $atom_structure['graphics_mode'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); + $atom_structure['opcolor_red'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2)); + $atom_structure['opcolor_green'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 2)); + $atom_structure['opcolor_blue'] = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2)); + + $atom_structure['flags']['no_lean_ahead'] = (bool) ($atom_structure['flags_raw'] & 0x001); + break; + + + case 'hdlr': // HanDLeR reference atom + $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); + $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 + $atom_structure['component_type'] = substr($atom_data, 4, 4); + $atom_structure['component_subtype'] = substr($atom_data, 8, 4); + $atom_structure['component_manufacturer'] = substr($atom_data, 12, 4); + $atom_structure['component_flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); + $atom_structure['component_flags_mask'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 4)); + $atom_structure['component_name'] = $this->MaybePascal2String(substr($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']; + } + $info['quicktime']['timestamps_unix']['create'][$atom_structure['hierarchy']] = $atom_structure['creation_time_unix']; + $info['quicktime']['timestamps_unix']['modify'][$atom_structure['hierarchy']] = $atom_structure['modify_time_unix']; + 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']); + $info['quicktime']['timestamps_unix']['modify'][$atom_structure['hierarchy']] = $atom_structure['modification_date_unix']; + break; + + + case 'crgn': // Clipping ReGioN atom + $atom_structure['region_size'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2)); // The Region size, Region boundary box, + $atom_structure['boundary_box'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 8)); // and Clipping region data fields + $atom_structure['clipping_data'] = substr($atom_data, 10); // constitute a QuickDraw region. + break; + + + case 'load': // track LOAD settings atom + $atom_structure['preload_start_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); + $atom_structure['preload_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); + $atom_structure['preload_flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); + $atom_structure['default_hints_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); + + $atom_structure['default_hints']['double_buffer'] = (bool) ($atom_structure['default_hints_raw'] & 0x0020); + $atom_structure['default_hints']['high_quality'] = (bool) ($atom_structure['default_hints_raw'] & 0x0100); + break; + + + case 'tmcd': // TiMe CoDe atom + case 'chap': // CHAPter list atom + case 'sync': // SYNChronization atom + case 'scpt': // tranSCriPT atom + case 'ssrc': // non-primary SouRCe atom + for ($i = 0; $i < strlen($atom_data); $i += 4) { + @$atom_structure['track_id'][] = getid3_lib::BigEndian2Int(substr($atom_data, $i, 4)); + } + break; + + + case 'elst': // Edit LiST atom + $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); + $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 + $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); + for ($i = 0; $i < $atom_structure['number_entries']; $i++ ) { + $atom_structure['edit_list'][$i]['track_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($i * 12) + 0, 4)); + $atom_structure['edit_list'][$i]['media_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($i * 12) + 4, 4)); + $atom_structure['edit_list'][$i]['media_rate'] = getid3_lib::FixedPoint16_16(substr($atom_data, 8 + ($i * 12) + 8, 4)); + } + break; + + + case 'kmat': // compressed MATte atom + $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); + $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 + $atom_structure['matte_data_raw'] = substr($atom_data, 4); + break; + + + case 'ctab': // Color TABle atom + $atom_structure['color_table_seed'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); // hardcoded: 0x00000000 + $atom_structure['color_table_flags'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); // hardcoded: 0x8000 + $atom_structure['color_table_size'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2)) + 1; + for ($colortableentry = 0; $colortableentry < $atom_structure['color_table_size']; $colortableentry++) { + $atom_structure['color_table'][$colortableentry]['alpha'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 0, 2)); + $atom_structure['color_table'][$colortableentry]['red'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 2, 2)); + $atom_structure['color_table'][$colortableentry]['green'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 4, 2)); + $atom_structure['color_table'][$colortableentry]['blue'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + ($colortableentry * 8) + 6, 2)); + } + break; + + + case 'mvhd': // MoVie HeaDer atom + $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); + $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); + $atom_structure['creation_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); + $atom_structure['modify_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); + $atom_structure['time_scale'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); + $atom_structure['duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); + $atom_structure['preferred_rate'] = getid3_lib::FixedPoint16_16(substr($atom_data, 20, 4)); + $atom_structure['preferred_volume'] = getid3_lib::FixedPoint8_8(substr($atom_data, 24, 2)); + $atom_structure['reserved'] = substr($atom_data, 26, 10); + $atom_structure['matrix_a'] = getid3_lib::FixedPoint16_16(substr($atom_data, 36, 4)); + $atom_structure['matrix_b'] = getid3_lib::FixedPoint16_16(substr($atom_data, 40, 4)); + $atom_structure['matrix_u'] = getid3_lib::FixedPoint2_30(substr($atom_data, 44, 4)); + $atom_structure['matrix_c'] = getid3_lib::FixedPoint16_16(substr($atom_data, 48, 4)); + $atom_structure['matrix_d'] = getid3_lib::FixedPoint16_16(substr($atom_data, 52, 4)); + $atom_structure['matrix_v'] = getid3_lib::FixedPoint2_30(substr($atom_data, 56, 4)); + $atom_structure['matrix_x'] = getid3_lib::FixedPoint16_16(substr($atom_data, 60, 4)); + $atom_structure['matrix_y'] = getid3_lib::FixedPoint16_16(substr($atom_data, 64, 4)); + $atom_structure['matrix_w'] = getid3_lib::FixedPoint2_30(substr($atom_data, 68, 4)); + $atom_structure['preview_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 72, 4)); + $atom_structure['preview_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 76, 4)); + $atom_structure['poster_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 80, 4)); + $atom_structure['selection_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 84, 4)); + $atom_structure['selection_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 88, 4)); + $atom_structure['current_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 92, 4)); + $atom_structure['next_track_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 96, 4)); + + if ($atom_structure['time_scale'] == 0) { + $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']); + $info['quicktime']['timestamps_unix']['create'][$atom_structure['hierarchy']] = $atom_structure['creation_time_unix']; + $info['quicktime']['timestamps_unix']['modify'][$atom_structure['hierarchy']] = $atom_structure['modify_time_unix']; + $info['quicktime']['time_scale'] = ((isset($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']); + $info['quicktime']['timestamps_unix']['create'][$atom_structure['hierarchy']] = $atom_structure['creation_time_unix']; + $info['quicktime']['timestamps_unix']['modify'][$atom_structure['hierarchy']] = $atom_structure['modify_time_unix']; + + // 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'] = $matrixRotation; + } + + if ($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']); } + } + break; + + + case 'iods': // Initial Object DeScriptor atom + // http://www.koders.com/c/fid1FAB3E762903DC482D8A246D4A4BF9F28E049594.aspx?s=windows.h + // http://libquicktime.sourcearchive.com/documentation/1.0.2plus-pdebian/iods_8c-source.html + $offset = 0; + $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); + $offset += 1; + $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 3)); + $offset += 3; + $atom_structure['mp4_iod_tag'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); + $offset += 1; + $atom_structure['length'] = $this->quicktime_read_mp4_descr_length($atom_data, $offset); + //$offset already adjusted by quicktime_read_mp4_descr_length() + $atom_structure['object_descriptor_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 2)); + $offset += 2; + $atom_structure['od_profile_level'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); + $offset += 1; + $atom_structure['scene_profile_level'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); + $offset += 1; + $atom_structure['audio_profile_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); + $offset += 1; + $atom_structure['video_profile_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); + $offset += 1; + $atom_structure['graphics_profile_level'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); + $offset += 1; + + $atom_structure['num_iods_tracks'] = ($atom_structure['length'] - 7) / 6; // 6 bytes would only be right if all tracks use 1-byte length fields + for ($i = 0; $i < $atom_structure['num_iods_tracks']; $i++) { + $atom_structure['track'][$i]['ES_ID_IncTag'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); + $offset += 1; + $atom_structure['track'][$i]['length'] = $this->quicktime_read_mp4_descr_length($atom_data, $offset); + //$offset already adjusted by quicktime_read_mp4_descr_length() + $atom_structure['track'][$i]['track_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 4)); + $offset += 4; + } + + $atom_structure['audio_profile_name'] = $this->QuicktimeIODSaudioProfileName($atom_structure['audio_profile_id']); + $atom_structure['video_profile_name'] = $this->QuicktimeIODSvideoProfileName($atom_structure['video_profile_id']); + break; + + case 'ftyp': // FileTYPe (?) atom (for MP4 it seems) + $atom_structure['signature'] = substr($atom_data, 0, 4); + $atom_structure['unknown_1'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); + $atom_structure['fourcc'] = substr($atom_data, 8, 4); + break; + + case 'mdat': // Media DATa atom + // 'mdat' contains the actual data for the audio/video, possibly also subtitles + + /* due to lack of known documentation, this is a kludge implementation. If you know of documentation on how mdat is properly structed, please send it to info@getid3.org */ + + // first, skip any 'wide' padding, and second 'mdat' header (with specified size of zero?) + $mdat_offset = 0; + while (true) { + if (substr($atom_data, $mdat_offset, 8) == "\x00\x00\x00\x08".'wide') { + $mdat_offset += 8; + } elseif (substr($atom_data, $mdat_offset, 8) == "\x00\x00\x00\x00".'mdat') { + $mdat_offset += 8; + } else { + break; + } + } + if (substr($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"); + } + + // 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 + $mdat_offset += 12; + } + } + + if (($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, $this->getid3->info['filesize'], $this->getid3->fp); + $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'] = $info['audio']['bitrate']; + } + } + } + unset($getid3_mp3, $getid3_temp); + $info['avdataend'] = $OldAVDataEnd; + unset($OldAVDataEnd); + + } + + unset($mdat_offset, $chapter_string_length, $chapter_matches); + break; + + case 'ID32': // ID3v2 + getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.id3v2.php', __FILE__, true); + + $getid3_temp = new getID3(); + $getid3_temp->openfile($this->getid3->filename, $this->getid3->info['filesize'], $this->getid3->fp); + $getid3_id3v2 = new getid3_id3v2($getid3_temp); + $getid3_id3v2->StartingOffset = $atom_structure['offset'] + 14; // framelength(4)+framename(4)+flags(4)+??(2) + if ($atom_structure['valid'] = $getid3_id3v2->Analyze()) { + $atom_structure['id3v2'] = $getid3_temp->info['id3v2']; + } else { + $this->warning('ID32 frame at offset '.$atom_structure['offset'].' did not parse'); + } + unset($getid3_temp, $getid3_id3v2); + break; + + case 'free': // FREE space atom + case 'skip': // SKIP atom + case 'wide': // 64-bit expansion placeholder atom + // 'free', 'skip' and 'wide' are just padding, contains no useful data at all + + // When writing QuickTime files, it is sometimes necessary to update an atom's size. + // It is impossible to update a 32-bit atom to a 64-bit atom since the 32-bit atom + // is only 8 bytes in size, and the 64-bit atom requires 16 bytes. Therefore, QuickTime + // puts an 8-byte placeholder atom before any atoms it may have to update the size of. + // In this way, if the atom needs to be converted from a 32-bit to a 64-bit atom, the + // placeholder atom can be overwritten to obtain the necessary 8 extra bytes. + // The placeholder atom has a type of kWideAtomPlaceholderType ( 'wide' ). + break; + + + case 'nsav': // NoSAVe atom + // http://developer.apple.com/technotes/tn/tn2038.html + $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); + break; + + case 'ctyp': // Controller TYPe atom (seen on QTVR) + // http://homepages.slingshot.co.nz/~helmboy/quicktime/formats/qtm-layout.txt + // some controller names are: + // 0x00 + 'std' for linear movie + // 'none' for no controls + $atom_structure['ctyp'] = substr($atom_data, 0, 4); + $info['quicktime']['controller'] = $atom_structure['ctyp']; + switch ($atom_structure['ctyp']) { + case 'qtvr': + $info['video']['dataformat'] = 'quicktimevr'; + break; + } + break; + + case 'pano': // PANOrama track (seen on QTVR) + $atom_structure['pano'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); + break; + + case 'hint': // HINT track + case 'hinf': // + case 'hinv': // + case 'hnti': // + $info['quicktime']['hinting'] = true; + break; + + case 'imgt': // IMaGe Track reference (kQTVRImageTrackRefType) (seen on QTVR) + for ($i = 0; $i < ($atom_structure['size'] - 8); $i += 4) { + $atom_structure['imgt'][] = getid3_lib::BigEndian2Int(substr($atom_data, $i, 4)); + } + break; + + + // Observed-but-not-handled atom types are just listed here to prevent warnings being generated + case 'FXTC': // Something to do with Adobe After Effects (?) + case 'PrmA': + case 'code': + case 'FIEL': // this is NOT "fiel" (Field Ordering) as describe here: http://developer.apple.com/documentation/QuickTime/QTFF/QTFFChap3/chapter_4_section_2.html + case 'tapt': // TrackApertureModeDimensionsAID - http://developer.apple.com/documentation/QuickTime/Reference/QT7-1_Update_Reference/Constants/Constants.html + // tapt seems to be used to compute the video size [https://www.getid3.org/phpBB3/viewtopic.php?t=838] + // * http://lists.apple.com/archives/quicktime-api/2006/Aug/msg00014.html + // * http://handbrake.fr/irclogs/handbrake-dev/handbrake-dev20080128_pg2.html + case 'ctts':// STCompositionOffsetAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html + case 'cslg':// STCompositionShiftLeastGreatestAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html + case 'sdtp':// STSampleDependencyAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html + case 'stps':// STPartialSyncSampleAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html + //$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); + } + } else { + $this->warning('QuickTime atom "©xyz" data does not match expected data pattern at offset '.$baseoffset.'. Please report as getID3() bug.'); + } + break; + + case 'NCDT': + // https://exiftool.org/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 + case 'NCM1': // Nikon Camera preview iMage 1 + case 'NCM2': // Nikon Camera preview iMage 2 + // https://exiftool.org/TagNames/Nikon.html + if (preg_match('/^\xFF\xD8\xFF/', $atom_data)) { + $descriptions = array( + 'NCTH' => 'Nikon Camera Thumbnail Image', + 'NCVW' => 'Nikon Camera Preview Image', + 'NCM1' => 'Nikon Camera Preview Image 1', + 'NCM2' => 'Nikon Camera Preview Image 2', + ); + $atom_structure['data'] = $atom_data; + $atom_structure['image_mime'] = 'image/jpeg'; + $atom_structure['description'] = isset($descriptions[$atomname]) ? $descriptions[$atomname] : '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 - https://exiftool.org/TagNames/Nikon.html#NCTG + getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.nikon-nctg.php', __FILE__, true); + $nikonNCTG = new getid3_tag_nikon_nctg($this->getid3); + + $atom_structure['data'] = $nikonNCTG->parse($atom_data); + break; + case 'NCHD': // Nikon:MakerNoteVersion - https://exiftool.org/TagNames/Nikon.html + $makerNoteVersion = ''; + for ($i = 0, $iMax = strlen($atom_data); $i < $iMax; ++$i) { + if (ord($atom_data[$i]) >= 0x00 && ord($atom_data[$i]) <= 0x1F) { + $makerNoteVersion .= ' '.ord($atom_data[$i]); + } else { + $makerNoteVersion .= $atom_data[$i]; + } + } + $makerNoteVersion = rtrim($makerNoteVersion, "\x00"); + $atom_structure['data'] = array( + 'MakerNoteVersion' => $makerNoteVersion + ); + break; + case 'NCDB': // Nikon - https://exiftool.org/TagNames/Nikon.html + case 'CNCV': // Canon:CompressorVersion - https://exiftool.org/TagNames/Canon.html + $atom_structure['data'] = $atom_data; + 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 + // https://xhelmboyx.tripod.com/formats/qti-layout.txt + + $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); + $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); + $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom(substr($atom_data, 4), $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); + //$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); + break; + + case '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; + + 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); + $atom_structure['key_name'] = (isset($info['quicktime']['temp_meta_key_names'][$metaDATAkey]) ? $info['quicktime']['temp_meta_key_names'][$metaDATAkey] : ''); + $metaDATAkey++; + + if ($atom_structure['key_name'] && $atom_structure['data']) { + @$info['quicktime']['comments'][str_replace('com.apple.quicktime.', '', $atom_structure['key_name'])][] = $atom_structure['data']; + } + break; + + 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 'uuid': // user-defined atom often seen containing XML data, also used for potentially many other purposes, only a few specifically handled by getID3 (e.g. 360fly spatial data) + //Get the UUID ID in first 16 bytes + $uuid_bytes_read = unpack('H8time_low/H4time_mid/H4time_hi/H4clock_seq_hi/H12clock_seq_low', substr($atom_data, 0, 16)); + $atom_structure['uuid_field_id'] = implode('-', $uuid_bytes_read); + + switch ($atom_structure['uuid_field_id']) { // http://fileformats.archiveteam.org/wiki/Boxes/atoms_format#UUID_boxes + + case '0537cdab-9d0c-4431-a72a-fa561f2a113e': // Exif - http://fileformats.archiveteam.org/wiki/Exif + case '2c4c0100-8504-40b9-a03e-562148d6dfeb': // Photoshop Image Resources - http://fileformats.archiveteam.org/wiki/Photoshop_Image_Resources + case '33c7a4d2-b81d-4723-a0ba-f1a3e097ad38': // IPTC-IIM - http://fileformats.archiveteam.org/wiki/IPTC-IIM + case '8974dbce-7be7-4c51-84f9-7148f9882554': // PIFF Track Encryption Box - http://fileformats.archiveteam.org/wiki/Protected_Interoperable_File_Format + case '96a9f1f1-dc98-402d-a7ae-d68e34451809': // GeoJP2 World File Box - http://fileformats.archiveteam.org/wiki/GeoJP2 + case 'a2394f52-5a9b-4f14-a244-6c427c648df4': // PIFF Sample Encryption Box - http://fileformats.archiveteam.org/wiki/Protected_Interoperable_File_Format + case 'b14bf8bd-083d-4b43-a5ae-8cd7d5a6ce03': // GeoJP2 GeoTIFF Box - http://fileformats.archiveteam.org/wiki/GeoJP2 + case 'd08a4f18-10f3-4a82-b6c8-32d8aba183d3': // PIFF Protection System Specific Header Box - http://fileformats.archiveteam.org/wiki/Protected_Interoperable_File_Format + $this->warning('Unhandled (but recognized) "uuid" atom identified by "'.$atom_structure['uuid_field_id'].'" at offset '.$atom_structure['offset'].' ('.strlen($atom_data).' bytes)'); + break; + + case 'be7acfcb-97a9-42e8-9c71-999491e3afac': // XMP data (in XML format) + $atom_structure['xml'] = substr($atom_data, 16, strlen($atom_data) - 16 - 8); // 16 bytes for UUID, 8 bytes header(?) + break; + + case 'efe1589a-bb77-49ef-8095-27759eb1dc6f': // 360fly data + /* 360fly code in this block by Paul Lewis 2019-Oct-31 */ + /* Sensor Timestamps need to be calculated using the recordings base time at ['quicktime']['moov']['subatoms'][0]['creation_time_unix']. */ + $atom_structure['title'] = '360Fly Sensor Data'; + + //Get the UUID HEADER data + $uuid_bytes_read = unpack('vheader_size/vheader_version/vtimescale/vhardware_version/x/x/x/x/x/x/x/x/x/x/x/x/x/x/x/x/', substr($atom_data, 16, 32)); + $atom_structure['uuid_header'] = $uuid_bytes_read; + + $start_byte = 48; + $atom_SENSOR_data = substr($atom_data, $start_byte); + $atom_structure['sensor_data']['data_type'] = array( + 'fusion_count' => 0, // ID 250 + 'fusion_data' => array(), + 'accel_count' => 0, // ID 1 + 'accel_data' => array(), + 'gyro_count' => 0, // ID 2 + 'gyro_data' => array(), + 'magno_count' => 0, // ID 3 + 'magno_data' => array(), + 'gps_count' => 0, // ID 5 + 'gps_data' => array(), + 'rotation_count' => 0, // ID 6 + 'rotation_data' => array(), + 'unknown_count' => 0, // ID ?? + 'unknown_data' => array(), + 'debug_list' => '', // Used to debug variables stored as comma delimited strings + ); + $debug_structure = array(); + $debug_structure['debug_items'] = array(); + // Can start loop here to decode all sensor data in 32 Byte chunks: + foreach (str_split($atom_SENSOR_data, 32) as $sensor_key => $sensor_data) { + // This gets me a data_type code to work out what data is in the next 31 bytes. + $sensor_data_type = substr($sensor_data, 0, 1); + $sensor_data_content = substr($sensor_data, 1); + $uuid_bytes_read = unpack('C*', $sensor_data_type); + $sensor_data_array = array(); + switch ($uuid_bytes_read[1]) { + case 250: + $atom_structure['sensor_data']['data_type']['fusion_count']++; + $uuid_bytes_read = unpack('cmode/Jtimestamp/Gyaw/Gpitch/Groll/x*', $sensor_data_content); + $sensor_data_array['mode'] = $uuid_bytes_read['mode']; + $sensor_data_array['timestamp'] = $uuid_bytes_read['timestamp']; + $sensor_data_array['yaw'] = $uuid_bytes_read['yaw']; + $sensor_data_array['pitch'] = $uuid_bytes_read['pitch']; + $sensor_data_array['roll'] = $uuid_bytes_read['roll']; + array_push($atom_structure['sensor_data']['data_type']['fusion_data'], $sensor_data_array); + break; + case 1: + $atom_structure['sensor_data']['data_type']['accel_count']++; + $uuid_bytes_read = unpack('cmode/Jtimestamp/Gyaw/Gpitch/Groll/x*', $sensor_data_content); + $sensor_data_array['mode'] = $uuid_bytes_read['mode']; + $sensor_data_array['timestamp'] = $uuid_bytes_read['timestamp']; + $sensor_data_array['yaw'] = $uuid_bytes_read['yaw']; + $sensor_data_array['pitch'] = $uuid_bytes_read['pitch']; + $sensor_data_array['roll'] = $uuid_bytes_read['roll']; + array_push($atom_structure['sensor_data']['data_type']['accel_data'], $sensor_data_array); + break; + case 2: + $atom_structure['sensor_data']['data_type']['gyro_count']++; + $uuid_bytes_read = unpack('cmode/Jtimestamp/Gyaw/Gpitch/Groll/x*', $sensor_data_content); + $sensor_data_array['mode'] = $uuid_bytes_read['mode']; + $sensor_data_array['timestamp'] = $uuid_bytes_read['timestamp']; + $sensor_data_array['yaw'] = $uuid_bytes_read['yaw']; + $sensor_data_array['pitch'] = $uuid_bytes_read['pitch']; + $sensor_data_array['roll'] = $uuid_bytes_read['roll']; + array_push($atom_structure['sensor_data']['data_type']['gyro_data'], $sensor_data_array); + break; + case 3: + $atom_structure['sensor_data']['data_type']['magno_count']++; + $uuid_bytes_read = unpack('cmode/Jtimestamp/Gmagx/Gmagy/Gmagz/x*', $sensor_data_content); + $sensor_data_array['mode'] = $uuid_bytes_read['mode']; + $sensor_data_array['timestamp'] = $uuid_bytes_read['timestamp']; + $sensor_data_array['magx'] = $uuid_bytes_read['magx']; + $sensor_data_array['magy'] = $uuid_bytes_read['magy']; + $sensor_data_array['magz'] = $uuid_bytes_read['magz']; + array_push($atom_structure['sensor_data']['data_type']['magno_data'], $sensor_data_array); + break; + case 5: + $atom_structure['sensor_data']['data_type']['gps_count']++; + $uuid_bytes_read = unpack('cmode/Jtimestamp/Glat/Glon/Galt/Gspeed/nbearing/nacc/x*', $sensor_data_content); + $sensor_data_array['mode'] = $uuid_bytes_read['mode']; + $sensor_data_array['timestamp'] = $uuid_bytes_read['timestamp']; + $sensor_data_array['lat'] = $uuid_bytes_read['lat']; + $sensor_data_array['lon'] = $uuid_bytes_read['lon']; + $sensor_data_array['alt'] = $uuid_bytes_read['alt']; + $sensor_data_array['speed'] = $uuid_bytes_read['speed']; + $sensor_data_array['bearing'] = $uuid_bytes_read['bearing']; + $sensor_data_array['acc'] = $uuid_bytes_read['acc']; + array_push($atom_structure['sensor_data']['data_type']['gps_data'], $sensor_data_array); + //array_push($debug_structure['debug_items'], $uuid_bytes_read['timestamp']); + break; + case 6: + $atom_structure['sensor_data']['data_type']['rotation_count']++; + $uuid_bytes_read = unpack('cmode/Jtimestamp/Grotx/Groty/Grotz/x*', $sensor_data_content); + $sensor_data_array['mode'] = $uuid_bytes_read['mode']; + $sensor_data_array['timestamp'] = $uuid_bytes_read['timestamp']; + $sensor_data_array['rotx'] = $uuid_bytes_read['rotx']; + $sensor_data_array['roty'] = $uuid_bytes_read['roty']; + $sensor_data_array['rotz'] = $uuid_bytes_read['rotz']; + array_push($atom_structure['sensor_data']['data_type']['rotation_data'], $sensor_data_array); + break; + default: + $atom_structure['sensor_data']['data_type']['unknown_count']++; + break; + } + } + //if (isset($debug_structure['debug_items']) && count($debug_structure['debug_items']) > 0) { + // $atom_structure['sensor_data']['data_type']['debug_list'] = implode(',', $debug_structure['debug_items']); + //} else { + $atom_structure['sensor_data']['data_type']['debug_list'] = 'No debug items in list!'; + //} + break; + + default: + $this->warning('Unhandled "uuid" atom identified by "'.$atom_structure['uuid_field_id'].'" at offset '.$atom_structure['offset'].' ('.strlen($atom_data).' bytes)'); + } + 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(); + $GPS_this_GPRMC_raw = 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; + $GPS_this_GPRMC['raw'] = $GPS_this_GPRMC_raw; + + $hour = substr($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); + $year = (int) substr($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', 'description'=>'ThumbnailImage'); + } + 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', 'description'=>'PreviewImage'); + } + break; + + case 'cdsc': // timed metadata reference + // A QuickTime movie can contain none, one, or several timed metadata tracks. Timed metadata tracks can refer to multiple tracks. + // Metadata tracks are linked to the tracks they describe using a track-reference of type 'cdsc'. The metadata track holds the 'cdsc' track reference. + $atom_structure['track_number'] = getid3_lib::BigEndian2Int($atom_data); + break; + + +// AVIF-related - https://docs.rs/avif-parse/0.13.2/src/avif_parse/boxes.rs.html + case 'pitm': // Primary ITeM + case 'iloc': // Item LOCation + case 'iinf': // Item INFo + case 'iref': // Image REFerence + case 'iprp': // Image PRoPerties +$this->error('AVIF files not currently supported'); + $atom_structure['data'] = $atom_data; + break; + + case 'tfdt': // Track Fragment base media Decode Time box + case 'tfhd': // Track Fragment HeaDer box + case 'mfhd': // Movie Fragment HeaDer box + case 'trun': // Track fragment RUN box +$this->error('fragmented mp4 files not currently supported'); + $atom_structure['data'] = $atom_data; + break; + + case 'mvex': // MoVie EXtends box + case 'pssh': // Protection System Specific Header box + case 'sidx': // Segment InDeX box + 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) { + $atom_structure = array(); + $subatomoffset = 0; + $subatomcounter = 0; + if ((strlen($atom_data) == 4) && (getid3_lib::BigEndian2Int($atom_data) == 0x00000000)) { + return false; + } + while ($subatomoffset < strlen($atom_data)) { + $subatomsize = getid3_lib::BigEndian2Int(substr($atom_data, $subatomoffset + 0, 4)); + $subatomname = substr($atom_data, $subatomoffset + 4, 4); + $subatomdata = substr($atom_data, $subatomoffset + 8, $subatomsize - 8); + if ($subatomsize == 0) { + // Furthermore, for historical reasons the list of atoms is optionally + // terminated by a 32-bit integer set to 0. If you are writing a program + // to read user data atoms, you should allow for the terminating 0. + if (strlen($atom_data) > 12) { + $subatomoffset += 4; + continue; + } + break; + } + if (strlen($subatomdata) < ($subatomsize - 8)) { + // we don't have enough data to decode the subatom. + // this may be because we are refusing to parse large subatoms, or it may be because this atom had its size set too large + // so we passed in the start of a following atom incorrectly? + break; + } + $atom_structure[$subatomcounter++] = $this->QuicktimeParseAtom($subatomname, $subatomsize, $subatomdata, $baseoffset + $subatomoffset, $atomHierarchy, $ParseAllPossibleAtoms); + $subatomoffset += $subatomsize; + } + + if (empty($atom_structure)) { + return false; + } + + 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; + $length = 0; + do { + $b = ord(substr($data, $offset++, 1)); + $length = ($length << 7) | ($b & 0x7F); + } while (($b & 0x80) && ($num_bytes++ < 4)); + 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 $QuicktimeLanguageLookup = array(); + if (empty($QuicktimeLanguageLookup)) { + $QuicktimeLanguageLookup[0] = 'English'; + $QuicktimeLanguageLookup[1] = 'French'; + $QuicktimeLanguageLookup[2] = 'German'; + $QuicktimeLanguageLookup[3] = 'Italian'; + $QuicktimeLanguageLookup[4] = 'Dutch'; + $QuicktimeLanguageLookup[5] = 'Swedish'; + $QuicktimeLanguageLookup[6] = 'Spanish'; + $QuicktimeLanguageLookup[7] = 'Danish'; + $QuicktimeLanguageLookup[8] = 'Portuguese'; + $QuicktimeLanguageLookup[9] = 'Norwegian'; + $QuicktimeLanguageLookup[10] = 'Hebrew'; + $QuicktimeLanguageLookup[11] = 'Japanese'; + $QuicktimeLanguageLookup[12] = 'Arabic'; + $QuicktimeLanguageLookup[13] = 'Finnish'; + $QuicktimeLanguageLookup[14] = 'Greek'; + $QuicktimeLanguageLookup[15] = 'Icelandic'; + $QuicktimeLanguageLookup[16] = 'Maltese'; + $QuicktimeLanguageLookup[17] = 'Turkish'; + $QuicktimeLanguageLookup[18] = 'Croatian'; + $QuicktimeLanguageLookup[19] = 'Chinese (Traditional)'; + $QuicktimeLanguageLookup[20] = 'Urdu'; + $QuicktimeLanguageLookup[21] = 'Hindi'; + $QuicktimeLanguageLookup[22] = 'Thai'; + $QuicktimeLanguageLookup[23] = 'Korean'; + $QuicktimeLanguageLookup[24] = 'Lithuanian'; + $QuicktimeLanguageLookup[25] = 'Polish'; + $QuicktimeLanguageLookup[26] = 'Hungarian'; + $QuicktimeLanguageLookup[27] = 'Estonian'; + $QuicktimeLanguageLookup[28] = 'Lettish'; + $QuicktimeLanguageLookup[28] = 'Latvian'; + $QuicktimeLanguageLookup[29] = 'Saamisk'; + $QuicktimeLanguageLookup[29] = 'Lappish'; + $QuicktimeLanguageLookup[30] = 'Faeroese'; + $QuicktimeLanguageLookup[31] = 'Farsi'; + $QuicktimeLanguageLookup[31] = 'Persian'; + $QuicktimeLanguageLookup[32] = 'Russian'; + $QuicktimeLanguageLookup[33] = 'Chinese (Simplified)'; + $QuicktimeLanguageLookup[34] = 'Flemish'; + $QuicktimeLanguageLookup[35] = 'Irish'; + $QuicktimeLanguageLookup[36] = 'Albanian'; + $QuicktimeLanguageLookup[37] = 'Romanian'; + $QuicktimeLanguageLookup[38] = 'Czech'; + $QuicktimeLanguageLookup[39] = 'Slovak'; + $QuicktimeLanguageLookup[40] = 'Slovenian'; + $QuicktimeLanguageLookup[41] = 'Yiddish'; + $QuicktimeLanguageLookup[42] = 'Serbian'; + $QuicktimeLanguageLookup[43] = 'Macedonian'; + $QuicktimeLanguageLookup[44] = 'Bulgarian'; + $QuicktimeLanguageLookup[45] = 'Ukrainian'; + $QuicktimeLanguageLookup[46] = 'Byelorussian'; + $QuicktimeLanguageLookup[47] = 'Uzbek'; + $QuicktimeLanguageLookup[48] = 'Kazakh'; + $QuicktimeLanguageLookup[49] = 'Azerbaijani'; + $QuicktimeLanguageLookup[50] = 'AzerbaijanAr'; + $QuicktimeLanguageLookup[51] = 'Armenian'; + $QuicktimeLanguageLookup[52] = 'Georgian'; + $QuicktimeLanguageLookup[53] = 'Moldavian'; + $QuicktimeLanguageLookup[54] = 'Kirghiz'; + $QuicktimeLanguageLookup[55] = 'Tajiki'; + $QuicktimeLanguageLookup[56] = 'Turkmen'; + $QuicktimeLanguageLookup[57] = 'Mongolian'; + $QuicktimeLanguageLookup[58] = 'MongolianCyr'; + $QuicktimeLanguageLookup[59] = 'Pashto'; + $QuicktimeLanguageLookup[60] = 'Kurdish'; + $QuicktimeLanguageLookup[61] = 'Kashmiri'; + $QuicktimeLanguageLookup[62] = 'Sindhi'; + $QuicktimeLanguageLookup[63] = 'Tibetan'; + $QuicktimeLanguageLookup[64] = 'Nepali'; + $QuicktimeLanguageLookup[65] = 'Sanskrit'; + $QuicktimeLanguageLookup[66] = 'Marathi'; + $QuicktimeLanguageLookup[67] = 'Bengali'; + $QuicktimeLanguageLookup[68] = 'Assamese'; + $QuicktimeLanguageLookup[69] = 'Gujarati'; + $QuicktimeLanguageLookup[70] = 'Punjabi'; + $QuicktimeLanguageLookup[71] = 'Oriya'; + $QuicktimeLanguageLookup[72] = 'Malayalam'; + $QuicktimeLanguageLookup[73] = 'Kannada'; + $QuicktimeLanguageLookup[74] = 'Tamil'; + $QuicktimeLanguageLookup[75] = 'Telugu'; + $QuicktimeLanguageLookup[76] = 'Sinhalese'; + $QuicktimeLanguageLookup[77] = 'Burmese'; + $QuicktimeLanguageLookup[78] = 'Khmer'; + $QuicktimeLanguageLookup[79] = 'Lao'; + $QuicktimeLanguageLookup[80] = 'Vietnamese'; + $QuicktimeLanguageLookup[81] = 'Indonesian'; + $QuicktimeLanguageLookup[82] = 'Tagalog'; + $QuicktimeLanguageLookup[83] = 'MalayRoman'; + $QuicktimeLanguageLookup[84] = 'MalayArabic'; + $QuicktimeLanguageLookup[85] = 'Amharic'; + $QuicktimeLanguageLookup[86] = 'Tigrinya'; + $QuicktimeLanguageLookup[87] = 'Galla'; + $QuicktimeLanguageLookup[87] = 'Oromo'; + $QuicktimeLanguageLookup[88] = 'Somali'; + $QuicktimeLanguageLookup[89] = 'Swahili'; + $QuicktimeLanguageLookup[90] = 'Ruanda'; + $QuicktimeLanguageLookup[91] = 'Rundi'; + $QuicktimeLanguageLookup[92] = 'Chewa'; + $QuicktimeLanguageLookup[93] = 'Malagasy'; + $QuicktimeLanguageLookup[94] = 'Esperanto'; + $QuicktimeLanguageLookup[128] = 'Welsh'; + $QuicktimeLanguageLookup[129] = 'Basque'; + $QuicktimeLanguageLookup[130] = 'Catalan'; + $QuicktimeLanguageLookup[131] = 'Latin'; + $QuicktimeLanguageLookup[132] = 'Quechua'; + $QuicktimeLanguageLookup[133] = 'Guarani'; + $QuicktimeLanguageLookup[134] = 'Aymara'; + $QuicktimeLanguageLookup[135] = 'Tatar'; + $QuicktimeLanguageLookup[136] = 'Uighur'; + $QuicktimeLanguageLookup[137] = 'Dzongkha'; + $QuicktimeLanguageLookup[138] = 'JavaneseRom'; + $QuicktimeLanguageLookup[32767] = 'Unspecified'; + } + if (($languageid > 138) && ($languageid < 32767)) { + /* + ISO Language Codes - http://www.loc.gov/standards/iso639-2/php/code_list.php + Because the language codes specified by ISO 639-2/T are three characters long, they must be packed to fit into a 16-bit field. + The packing algorithm must map each of the three characters, which are always lowercase, into a 5-bit integer and then concatenate + these integers into the least significant 15 bits of a 16-bit integer, leaving the 16-bit integer's most significant bit set to zero. + + One algorithm for performing this packing is to treat each ISO character as a 16-bit integer. Subtract 0x60 from the first character + and multiply by 2^10 (0x400), subtract 0x60 from the second character and multiply by 2^5 (0x20), subtract 0x60 from the third character, + and add the three 16-bit values. This will result in a single 16-bit value with the three codes correctly packed into the 15 least + significant bits and the most significant bit set to zero. + */ + $iso_language_id = ''; + $iso_language_id .= chr((($languageid & 0x7C00) >> 10) + 0x60); + $iso_language_id .= chr((($languageid & 0x03E0) >> 5) + 0x60); + $iso_language_id .= chr((($languageid & 0x001F) >> 0) + 0x60); + $QuicktimeLanguageLookup[$languageid] = getid3_id3v2::LanguageLookup($iso_language_id); + } + return (isset($QuicktimeLanguageLookup[$languageid]) ? $QuicktimeLanguageLookup[$languageid] : 'invalid'); + } + + /** + * @param string $codecid + * + * @return string + */ + public function QuicktimeVideoCodecLookup($codecid) { + static $QuicktimeVideoCodecLookup = array(); + if (empty($QuicktimeVideoCodecLookup)) { + $QuicktimeVideoCodecLookup['.SGI'] = 'SGI'; + $QuicktimeVideoCodecLookup['3IV1'] = '3ivx MPEG-4 v1'; + $QuicktimeVideoCodecLookup['3IV2'] = '3ivx MPEG-4 v2'; + $QuicktimeVideoCodecLookup['3IVX'] = '3ivx MPEG-4'; + $QuicktimeVideoCodecLookup['8BPS'] = 'Planar RGB'; + $QuicktimeVideoCodecLookup['avc1'] = 'H.264/MPEG-4 AVC'; + $QuicktimeVideoCodecLookup['avr '] = 'AVR-JPEG'; + $QuicktimeVideoCodecLookup['b16g'] = '16Gray'; + $QuicktimeVideoCodecLookup['b32a'] = '32AlphaGray'; + $QuicktimeVideoCodecLookup['b48r'] = '48RGB'; + $QuicktimeVideoCodecLookup['b64a'] = '64ARGB'; + $QuicktimeVideoCodecLookup['base'] = 'Base'; + $QuicktimeVideoCodecLookup['clou'] = 'Cloud'; + $QuicktimeVideoCodecLookup['cmyk'] = 'CMYK'; + $QuicktimeVideoCodecLookup['cvid'] = 'Cinepak'; + $QuicktimeVideoCodecLookup['dmb1'] = 'OpenDML JPEG'; + $QuicktimeVideoCodecLookup['dvc '] = 'DVC-NTSC'; + $QuicktimeVideoCodecLookup['dvcp'] = 'DVC-PAL'; + $QuicktimeVideoCodecLookup['dvpn'] = 'DVCPro-NTSC'; + $QuicktimeVideoCodecLookup['dvpp'] = 'DVCPro-PAL'; + $QuicktimeVideoCodecLookup['fire'] = 'Fire'; + $QuicktimeVideoCodecLookup['flic'] = 'FLC'; + $QuicktimeVideoCodecLookup['gif '] = 'GIF'; + $QuicktimeVideoCodecLookup['h261'] = 'H261'; + $QuicktimeVideoCodecLookup['h263'] = 'H263'; + $QuicktimeVideoCodecLookup['hvc1'] = 'H.265/HEVC'; + $QuicktimeVideoCodecLookup['IV41'] = 'Indeo4'; + $QuicktimeVideoCodecLookup['jpeg'] = 'JPEG'; + $QuicktimeVideoCodecLookup['kpcd'] = 'PhotoCD'; + $QuicktimeVideoCodecLookup['mjpa'] = 'Motion JPEG-A'; + $QuicktimeVideoCodecLookup['mjpb'] = 'Motion JPEG-B'; + $QuicktimeVideoCodecLookup['msvc'] = 'Microsoft Video1'; + $QuicktimeVideoCodecLookup['myuv'] = 'MPEG YUV420'; + $QuicktimeVideoCodecLookup['path'] = 'Vector'; + $QuicktimeVideoCodecLookup['png '] = 'PNG'; + $QuicktimeVideoCodecLookup['PNTG'] = 'MacPaint'; + $QuicktimeVideoCodecLookup['qdgx'] = 'QuickDrawGX'; + $QuicktimeVideoCodecLookup['qdrw'] = 'QuickDraw'; + $QuicktimeVideoCodecLookup['raw '] = 'RAW'; + $QuicktimeVideoCodecLookup['ripl'] = 'WaterRipple'; + $QuicktimeVideoCodecLookup['rpza'] = 'Video'; + $QuicktimeVideoCodecLookup['smc '] = 'Graphics'; + $QuicktimeVideoCodecLookup['SVQ1'] = 'Sorenson Video 1'; + $QuicktimeVideoCodecLookup['SVQ1'] = 'Sorenson Video 3'; + $QuicktimeVideoCodecLookup['syv9'] = 'Sorenson YUV9'; + $QuicktimeVideoCodecLookup['tga '] = 'Targa'; + $QuicktimeVideoCodecLookup['tiff'] = 'TIFF'; + $QuicktimeVideoCodecLookup['WRAW'] = 'Windows RAW'; + $QuicktimeVideoCodecLookup['WRLE'] = 'BMP'; + $QuicktimeVideoCodecLookup['y420'] = 'YUV420'; + $QuicktimeVideoCodecLookup['yuv2'] = 'ComponentVideo'; + $QuicktimeVideoCodecLookup['yuvs'] = 'ComponentVideoUnsigned'; + $QuicktimeVideoCodecLookup['yuvu'] = 'ComponentVideoSigned'; + } + return (isset($QuicktimeVideoCodecLookup[$codecid]) ? $QuicktimeVideoCodecLookup[$codecid] : ''); + } + + /** + * @param string $codecid + * + * @return mixed|string + */ + public function QuicktimeAudioCodecLookup($codecid) { + static $QuicktimeAudioCodecLookup = array(); + if (empty($QuicktimeAudioCodecLookup)) { + $QuicktimeAudioCodecLookup['.mp3'] = 'Fraunhofer MPEG Layer-III alias'; + $QuicktimeAudioCodecLookup['aac '] = 'ISO/IEC 14496-3 AAC'; + $QuicktimeAudioCodecLookup['agsm'] = 'Apple GSM 10:1'; + $QuicktimeAudioCodecLookup['alac'] = 'Apple Lossless Audio Codec'; + $QuicktimeAudioCodecLookup['alaw'] = 'A-law 2:1'; + $QuicktimeAudioCodecLookup['conv'] = 'Sample Format'; + $QuicktimeAudioCodecLookup['dvca'] = 'DV'; + $QuicktimeAudioCodecLookup['dvi '] = 'DV 4:1'; + $QuicktimeAudioCodecLookup['eqal'] = 'Frequency Equalizer'; + $QuicktimeAudioCodecLookup['fl32'] = '32-bit Floating Point'; + $QuicktimeAudioCodecLookup['fl64'] = '64-bit Floating Point'; + $QuicktimeAudioCodecLookup['ima4'] = 'Interactive Multimedia Association 4:1'; + $QuicktimeAudioCodecLookup['in24'] = '24-bit Integer'; + $QuicktimeAudioCodecLookup['in32'] = '32-bit Integer'; + $QuicktimeAudioCodecLookup['lpc '] = 'LPC 23:1'; + $QuicktimeAudioCodecLookup['MAC3'] = 'Macintosh Audio Compression/Expansion (MACE) 3:1'; + $QuicktimeAudioCodecLookup['MAC6'] = 'Macintosh Audio Compression/Expansion (MACE) 6:1'; + $QuicktimeAudioCodecLookup['mixb'] = '8-bit Mixer'; + $QuicktimeAudioCodecLookup['mixw'] = '16-bit Mixer'; + $QuicktimeAudioCodecLookup['mp4a'] = 'ISO/IEC 14496-3 AAC'; + $QuicktimeAudioCodecLookup['MS'."\x00\x02"] = 'Microsoft ADPCM'; + $QuicktimeAudioCodecLookup['MS'."\x00\x11"] = 'DV IMA'; + $QuicktimeAudioCodecLookup['MS'."\x00\x55"] = 'Fraunhofer MPEG Layer III'; + $QuicktimeAudioCodecLookup['NONE'] = 'No Encoding'; + $QuicktimeAudioCodecLookup['Qclp'] = 'Qualcomm PureVoice'; + $QuicktimeAudioCodecLookup['QDM2'] = 'QDesign Music 2'; + $QuicktimeAudioCodecLookup['QDMC'] = 'QDesign Music 1'; + $QuicktimeAudioCodecLookup['ratb'] = '8-bit Rate'; + $QuicktimeAudioCodecLookup['ratw'] = '16-bit Rate'; + $QuicktimeAudioCodecLookup['raw '] = 'raw PCM'; + $QuicktimeAudioCodecLookup['sour'] = 'Sound Source'; + $QuicktimeAudioCodecLookup['sowt'] = 'signed/two\'s complement (Little Endian)'; + $QuicktimeAudioCodecLookup['str1'] = 'Iomega MPEG layer II'; + $QuicktimeAudioCodecLookup['str2'] = 'Iomega MPEG *layer II'; + $QuicktimeAudioCodecLookup['str3'] = 'Iomega MPEG **layer II'; + $QuicktimeAudioCodecLookup['str4'] = 'Iomega MPEG ***layer II'; + $QuicktimeAudioCodecLookup['twos'] = 'signed/two\'s complement (Big Endian)'; + $QuicktimeAudioCodecLookup['ulaw'] = 'mu-law 2:1'; + } + return (isset($QuicktimeAudioCodecLookup[$codecid]) ? $QuicktimeAudioCodecLookup[$codecid] : ''); + } + + /** + * @param string $compressionid + * + * @return string + */ + public function QuicktimeDCOMLookup($compressionid) { + static $QuicktimeDCOMLookup = array(); + if (empty($QuicktimeDCOMLookup)) { + $QuicktimeDCOMLookup['zlib'] = 'ZLib Deflate'; + $QuicktimeDCOMLookup['adec'] = 'Apple Compression'; + } + return (isset($QuicktimeDCOMLookup[$compressionid]) ? $QuicktimeDCOMLookup[$compressionid] : ''); + } + + /** + * @param int $colordepthid + * + * @return string + */ + public function QuicktimeColorNameLookup($colordepthid) { + static $QuicktimeColorNameLookup = array(); + if (empty($QuicktimeColorNameLookup)) { + $QuicktimeColorNameLookup[1] = '2-color (monochrome)'; + $QuicktimeColorNameLookup[2] = '4-color'; + $QuicktimeColorNameLookup[4] = '16-color'; + $QuicktimeColorNameLookup[8] = '256-color'; + $QuicktimeColorNameLookup[16] = 'thousands (16-bit color)'; + $QuicktimeColorNameLookup[24] = 'millions (24-bit color)'; + $QuicktimeColorNameLookup[32] = 'millions+ (32-bit color)'; + $QuicktimeColorNameLookup[33] = 'black & white'; + $QuicktimeColorNameLookup[34] = '4-gray'; + $QuicktimeColorNameLookup[36] = '16-gray'; + $QuicktimeColorNameLookup[40] = '256-gray'; + } + return (isset($QuicktimeColorNameLookup[$colordepthid]) ? $QuicktimeColorNameLookup[$colordepthid] : 'invalid'); + } + + /** + * @param int $stik + * + * @return string + */ + public function QuicktimeSTIKLookup($stik) { + static $QuicktimeSTIKLookup = array(); + if (empty($QuicktimeSTIKLookup)) { + $QuicktimeSTIKLookup[0] = 'Movie'; + $QuicktimeSTIKLookup[1] = 'Normal'; + $QuicktimeSTIKLookup[2] = 'Audiobook'; + $QuicktimeSTIKLookup[5] = 'Whacked Bookmark'; + $QuicktimeSTIKLookup[6] = 'Music Video'; + $QuicktimeSTIKLookup[9] = 'Short Film'; + $QuicktimeSTIKLookup[10] = 'TV Show'; + $QuicktimeSTIKLookup[11] = 'Booklet'; + $QuicktimeSTIKLookup[14] = 'Ringtone'; + $QuicktimeSTIKLookup[21] = 'Podcast'; + } + return (isset($QuicktimeSTIKLookup[$stik]) ? $QuicktimeSTIKLookup[$stik] : 'invalid'); + } + + /** + * @param int $audio_profile_id + * + * @return string + */ + public function QuicktimeIODSaudioProfileName($audio_profile_id) { + static $QuicktimeIODSaudioProfileNameLookup = array(); + if (empty($QuicktimeIODSaudioProfileNameLookup)) { + $QuicktimeIODSaudioProfileNameLookup = array( + 0x00 => 'ISO Reserved (0x00)', + 0x01 => 'Main Audio Profile @ Level 1', + 0x02 => 'Main Audio Profile @ Level 2', + 0x03 => 'Main Audio Profile @ Level 3', + 0x04 => 'Main Audio Profile @ Level 4', + 0x05 => 'Scalable Audio Profile @ Level 1', + 0x06 => 'Scalable Audio Profile @ Level 2', + 0x07 => 'Scalable Audio Profile @ Level 3', + 0x08 => 'Scalable Audio Profile @ Level 4', + 0x09 => 'Speech Audio Profile @ Level 1', + 0x0A => 'Speech Audio Profile @ Level 2', + 0x0B => 'Synthetic Audio Profile @ Level 1', + 0x0C => 'Synthetic Audio Profile @ Level 2', + 0x0D => 'Synthetic Audio Profile @ Level 3', + 0x0E => 'High Quality Audio Profile @ Level 1', + 0x0F => 'High Quality Audio Profile @ Level 2', + 0x10 => 'High Quality Audio Profile @ Level 3', + 0x11 => 'High Quality Audio Profile @ Level 4', + 0x12 => 'High Quality Audio Profile @ Level 5', + 0x13 => 'High Quality Audio Profile @ Level 6', + 0x14 => 'High Quality Audio Profile @ Level 7', + 0x15 => 'High Quality Audio Profile @ Level 8', + 0x16 => 'Low Delay Audio Profile @ Level 1', + 0x17 => 'Low Delay Audio Profile @ Level 2', + 0x18 => 'Low Delay Audio Profile @ Level 3', + 0x19 => 'Low Delay Audio Profile @ Level 4', + 0x1A => 'Low Delay Audio Profile @ Level 5', + 0x1B => 'Low Delay Audio Profile @ Level 6', + 0x1C => 'Low Delay Audio Profile @ Level 7', + 0x1D => 'Low Delay Audio Profile @ Level 8', + 0x1E => 'Natural Audio Profile @ Level 1', + 0x1F => 'Natural Audio Profile @ Level 2', + 0x20 => 'Natural Audio Profile @ Level 3', + 0x21 => 'Natural Audio Profile @ Level 4', + 0x22 => 'Mobile Audio Internetworking Profile @ Level 1', + 0x23 => 'Mobile Audio Internetworking Profile @ Level 2', + 0x24 => 'Mobile Audio Internetworking Profile @ Level 3', + 0x25 => 'Mobile Audio Internetworking Profile @ Level 4', + 0x26 => 'Mobile Audio Internetworking Profile @ Level 5', + 0x27 => 'Mobile Audio Internetworking Profile @ Level 6', + 0x28 => 'AAC Profile @ Level 1', + 0x29 => 'AAC Profile @ Level 2', + 0x2A => 'AAC Profile @ Level 4', + 0x2B => 'AAC Profile @ Level 5', + 0x2C => 'High Efficiency AAC Profile @ Level 2', + 0x2D => 'High Efficiency AAC Profile @ Level 3', + 0x2E => 'High Efficiency AAC Profile @ Level 4', + 0x2F => 'High Efficiency AAC Profile @ Level 5', + 0xFE => 'Not part of MPEG-4 audio profiles', + 0xFF => 'No audio capability required', + ); + } + return (isset($QuicktimeIODSaudioProfileNameLookup[$audio_profile_id]) ? $QuicktimeIODSaudioProfileNameLookup[$audio_profile_id] : 'ISO Reserved / User Private'); + } + + /** + * @param int $video_profile_id + * + * @return string + */ + public function QuicktimeIODSvideoProfileName($video_profile_id) { + static $QuicktimeIODSvideoProfileNameLookup = array(); + if (empty($QuicktimeIODSvideoProfileNameLookup)) { + $QuicktimeIODSvideoProfileNameLookup = array( + 0x00 => 'Reserved (0x00) Profile', + 0x01 => 'Simple Profile @ Level 1', + 0x02 => 'Simple Profile @ Level 2', + 0x03 => 'Simple Profile @ Level 3', + 0x08 => 'Simple Profile @ Level 0', + 0x10 => 'Simple Scalable Profile @ Level 0', + 0x11 => 'Simple Scalable Profile @ Level 1', + 0x12 => 'Simple Scalable Profile @ Level 2', + 0x15 => 'AVC/H264 Profile', + 0x21 => 'Core Profile @ Level 1', + 0x22 => 'Core Profile @ Level 2', + 0x32 => 'Main Profile @ Level 2', + 0x33 => 'Main Profile @ Level 3', + 0x34 => 'Main Profile @ Level 4', + 0x42 => 'N-bit Profile @ Level 2', + 0x51 => 'Scalable Texture Profile @ Level 1', + 0x61 => 'Simple Face Animation Profile @ Level 1', + 0x62 => 'Simple Face Animation Profile @ Level 2', + 0x63 => 'Simple FBA Profile @ Level 1', + 0x64 => 'Simple FBA Profile @ Level 2', + 0x71 => 'Basic Animated Texture Profile @ Level 1', + 0x72 => 'Basic Animated Texture Profile @ Level 2', + 0x81 => 'Hybrid Profile @ Level 1', + 0x82 => 'Hybrid Profile @ Level 2', + 0x91 => 'Advanced Real Time Simple Profile @ Level 1', + 0x92 => 'Advanced Real Time Simple Profile @ Level 2', + 0x93 => 'Advanced Real Time Simple Profile @ Level 3', + 0x94 => 'Advanced Real Time Simple Profile @ Level 4', + 0xA1 => 'Core Scalable Profile @ Level1', + 0xA2 => 'Core Scalable Profile @ Level2', + 0xA3 => 'Core Scalable Profile @ Level3', + 0xB1 => 'Advanced Coding Efficiency Profile @ Level 1', + 0xB2 => 'Advanced Coding Efficiency Profile @ Level 2', + 0xB3 => 'Advanced Coding Efficiency Profile @ Level 3', + 0xB4 => 'Advanced Coding Efficiency Profile @ Level 4', + 0xC1 => 'Advanced Core Profile @ Level 1', + 0xC2 => 'Advanced Core Profile @ Level 2', + 0xD1 => 'Advanced Scalable Texture @ Level1', + 0xD2 => 'Advanced Scalable Texture @ Level2', + 0xE1 => 'Simple Studio Profile @ Level 1', + 0xE2 => 'Simple Studio Profile @ Level 2', + 0xE3 => 'Simple Studio Profile @ Level 3', + 0xE4 => 'Simple Studio Profile @ Level 4', + 0xE5 => 'Core Studio Profile @ Level 1', + 0xE6 => 'Core Studio Profile @ Level 2', + 0xE7 => 'Core Studio Profile @ Level 3', + 0xE8 => 'Core Studio Profile @ Level 4', + 0xF0 => 'Advanced Simple Profile @ Level 0', + 0xF1 => 'Advanced Simple Profile @ Level 1', + 0xF2 => 'Advanced Simple Profile @ Level 2', + 0xF3 => 'Advanced Simple Profile @ Level 3', + 0xF4 => 'Advanced Simple Profile @ Level 4', + 0xF5 => 'Advanced Simple Profile @ Level 5', + 0xF7 => 'Advanced Simple Profile @ Level 3b', + 0xF8 => 'Fine Granularity Scalable Profile @ Level 0', + 0xF9 => 'Fine Granularity Scalable Profile @ Level 1', + 0xFA => 'Fine Granularity Scalable Profile @ Level 2', + 0xFB => 'Fine Granularity Scalable Profile @ Level 3', + 0xFC => 'Fine Granularity Scalable Profile @ Level 4', + 0xFD => 'Fine Granularity Scalable Profile @ Level 5', + 0xFE => 'Not part of MPEG-4 Visual profiles', + 0xFF => 'No visual capability required', + ); + } + return (isset($QuicktimeIODSvideoProfileNameLookup[$video_profile_id]) ? $QuicktimeIODSvideoProfileNameLookup[$video_profile_id] : 'ISO Reserved Profile'); + } + + /** + * @param int $rtng + * + * @return string + */ + public function QuicktimeContentRatingLookup($rtng) { + static $QuicktimeContentRatingLookup = array(); + if (empty($QuicktimeContentRatingLookup)) { + $QuicktimeContentRatingLookup[0] = 'None'; + $QuicktimeContentRatingLookup[1] = 'Explicit'; + $QuicktimeContentRatingLookup[2] = 'Clean'; + $QuicktimeContentRatingLookup[4] = 'Explicit (old)'; + } + return (isset($QuicktimeContentRatingLookup[$rtng]) ? $QuicktimeContentRatingLookup[$rtng] : 'invalid'); + } + + /** + * @param int $akid + * + * @return string + */ + public function QuicktimeStoreAccountTypeLookup($akid) { + static $QuicktimeStoreAccountTypeLookup = array(); + if (empty($QuicktimeStoreAccountTypeLookup)) { + $QuicktimeStoreAccountTypeLookup[0] = 'iTunes'; + $QuicktimeStoreAccountTypeLookup[1] = 'AOL'; + } + return (isset($QuicktimeStoreAccountTypeLookup[$akid]) ? $QuicktimeStoreAccountTypeLookup[$akid] : 'invalid'); + } + + /** + * @param int $sfid + * + * @return string + */ + public function QuicktimeStoreFrontCodeLookup($sfid) { + static $QuicktimeStoreFrontCodeLookup = array(); + if (empty($QuicktimeStoreFrontCodeLookup)) { + $QuicktimeStoreFrontCodeLookup[143460] = 'Australia'; + $QuicktimeStoreFrontCodeLookup[143445] = 'Austria'; + $QuicktimeStoreFrontCodeLookup[143446] = 'Belgium'; + $QuicktimeStoreFrontCodeLookup[143455] = 'Canada'; + $QuicktimeStoreFrontCodeLookup[143458] = 'Denmark'; + $QuicktimeStoreFrontCodeLookup[143447] = 'Finland'; + $QuicktimeStoreFrontCodeLookup[143442] = 'France'; + $QuicktimeStoreFrontCodeLookup[143443] = 'Germany'; + $QuicktimeStoreFrontCodeLookup[143448] = 'Greece'; + $QuicktimeStoreFrontCodeLookup[143449] = 'Ireland'; + $QuicktimeStoreFrontCodeLookup[143450] = 'Italy'; + $QuicktimeStoreFrontCodeLookup[143462] = 'Japan'; + $QuicktimeStoreFrontCodeLookup[143451] = 'Luxembourg'; + $QuicktimeStoreFrontCodeLookup[143452] = 'Netherlands'; + $QuicktimeStoreFrontCodeLookup[143461] = 'New Zealand'; + $QuicktimeStoreFrontCodeLookup[143457] = 'Norway'; + $QuicktimeStoreFrontCodeLookup[143453] = 'Portugal'; + $QuicktimeStoreFrontCodeLookup[143454] = 'Spain'; + $QuicktimeStoreFrontCodeLookup[143456] = 'Sweden'; + $QuicktimeStoreFrontCodeLookup[143459] = 'Switzerland'; + $QuicktimeStoreFrontCodeLookup[143444] = 'United Kingdom'; + $QuicktimeStoreFrontCodeLookup[143441] = 'United States'; + } + return (isset($QuicktimeStoreFrontCodeLookup[$sfid]) ? $QuicktimeStoreFrontCodeLookup[$sfid] : 'invalid'); + } + + /** + * @param string $keyname + * @param string|array $data + * @param string $boxname + * + * @return bool + */ + public function CopyToAppropriateCommentsSection($keyname, $data, $boxname='') { + static $handyatomtranslatorarray = array(); + if (empty($handyatomtranslatorarray)) { + // http://www.geocities.com/xhelmboyx/quicktime/formats/qtm-layout.txt + // http://www.geocities.com/xhelmboyx/quicktime/formats/mp4-layout.txt + // http://atomicparsley.sourceforge.net/mpeg-4files.html + // https://code.google.com/p/mp4v2/wiki/iTunesMetadata + $handyatomtranslatorarray["\xA9".'alb'] = 'album'; // iTunes 4.0 + $handyatomtranslatorarray["\xA9".'ART'] = 'artist'; + $handyatomtranslatorarray["\xA9".'art'] = 'artist'; // iTunes 4.0 + $handyatomtranslatorarray["\xA9".'aut'] = 'author'; + $handyatomtranslatorarray["\xA9".'cmt'] = 'comment'; // iTunes 4.0 + $handyatomtranslatorarray["\xA9".'com'] = 'comment'; + $handyatomtranslatorarray["\xA9".'cpy'] = 'copyright'; + $handyatomtranslatorarray["\xA9".'day'] = 'creation_date'; // iTunes 4.0 + $handyatomtranslatorarray["\xA9".'dir'] = 'director'; + $handyatomtranslatorarray["\xA9".'ed1'] = 'edit1'; + $handyatomtranslatorarray["\xA9".'ed2'] = 'edit2'; + $handyatomtranslatorarray["\xA9".'ed3'] = 'edit3'; + $handyatomtranslatorarray["\xA9".'ed4'] = 'edit4'; + $handyatomtranslatorarray["\xA9".'ed5'] = 'edit5'; + $handyatomtranslatorarray["\xA9".'ed6'] = 'edit6'; + $handyatomtranslatorarray["\xA9".'ed7'] = 'edit7'; + $handyatomtranslatorarray["\xA9".'ed8'] = 'edit8'; + $handyatomtranslatorarray["\xA9".'ed9'] = 'edit9'; + $handyatomtranslatorarray["\xA9".'enc'] = 'encoded_by'; + $handyatomtranslatorarray["\xA9".'fmt'] = 'format'; + $handyatomtranslatorarray["\xA9".'gen'] = 'genre'; // iTunes 4.0 + $handyatomtranslatorarray["\xA9".'grp'] = 'grouping'; // iTunes 4.2 + $handyatomtranslatorarray["\xA9".'hst'] = 'host_computer'; + $handyatomtranslatorarray["\xA9".'inf'] = 'information'; + $handyatomtranslatorarray["\xA9".'lyr'] = 'lyrics'; // iTunes 5.0 + $handyatomtranslatorarray["\xA9".'mak'] = 'make'; + $handyatomtranslatorarray["\xA9".'mod'] = 'model'; + $handyatomtranslatorarray["\xA9".'nam'] = 'title'; // iTunes 4.0 + $handyatomtranslatorarray["\xA9".'ope'] = 'composer'; + $handyatomtranslatorarray["\xA9".'prd'] = 'producer'; + $handyatomtranslatorarray["\xA9".'PRD'] = 'product'; + $handyatomtranslatorarray["\xA9".'prf'] = 'performers'; + $handyatomtranslatorarray["\xA9".'req'] = 'system_requirements'; + $handyatomtranslatorarray["\xA9".'src'] = 'source_credit'; + $handyatomtranslatorarray["\xA9".'swr'] = 'software'; + $handyatomtranslatorarray["\xA9".'too'] = 'encoding_tool'; // iTunes 4.0 + $handyatomtranslatorarray["\xA9".'trk'] = 'track_number'; + $handyatomtranslatorarray["\xA9".'url'] = 'url'; + $handyatomtranslatorarray["\xA9".'wrn'] = 'warning'; + $handyatomtranslatorarray["\xA9".'wrt'] = 'composer'; + $handyatomtranslatorarray['aART'] = 'album_artist'; + $handyatomtranslatorarray['apID'] = 'purchase_account'; + $handyatomtranslatorarray['catg'] = 'category'; // iTunes 4.9 + $handyatomtranslatorarray['covr'] = 'picture'; // iTunes 4.0 + $handyatomtranslatorarray['cpil'] = 'compilation'; // iTunes 4.0 + $handyatomtranslatorarray['cprt'] = 'copyright'; // iTunes 4.0? + $handyatomtranslatorarray['desc'] = 'description'; // iTunes 5.0 + $handyatomtranslatorarray['disk'] = 'disc_number'; // iTunes 4.0 + $handyatomtranslatorarray['egid'] = 'episode_guid'; // iTunes 4.9 + $handyatomtranslatorarray['gnre'] = 'genre'; // iTunes 4.0 + $handyatomtranslatorarray['hdvd'] = 'hd_video'; // iTunes 4.0 + $handyatomtranslatorarray['ldes'] = 'description_long'; // + $handyatomtranslatorarray['keyw'] = 'keyword'; // iTunes 4.9 + $handyatomtranslatorarray['pcst'] = 'podcast'; // iTunes 4.9 + $handyatomtranslatorarray['pgap'] = 'gapless_playback'; // iTunes 7.0 + $handyatomtranslatorarray['purd'] = 'purchase_date'; // iTunes 6.0.2 + $handyatomtranslatorarray['purl'] = 'podcast_url'; // iTunes 4.9 + $handyatomtranslatorarray['rtng'] = 'rating'; // iTunes 4.0 + $handyatomtranslatorarray['soaa'] = 'sort_album_artist'; // + $handyatomtranslatorarray['soal'] = 'sort_album'; // + $handyatomtranslatorarray['soar'] = 'sort_artist'; // + $handyatomtranslatorarray['soco'] = 'sort_composer'; // + $handyatomtranslatorarray['sonm'] = 'sort_title'; // + $handyatomtranslatorarray['sosn'] = 'sort_show'; // + $handyatomtranslatorarray['stik'] = 'stik'; // iTunes 4.9 + $handyatomtranslatorarray['tmpo'] = 'bpm'; // iTunes 4.0 + $handyatomtranslatorarray['trkn'] = 'track_number'; // iTunes 4.0 + $handyatomtranslatorarray['tven'] = 'tv_episode_id'; // + $handyatomtranslatorarray['tves'] = 'tv_episode'; // iTunes 6.0 + $handyatomtranslatorarray['tvnn'] = 'tv_network_name'; // iTunes 6.0 + $handyatomtranslatorarray['tvsh'] = 'tv_show_name'; // iTunes 6.0 + $handyatomtranslatorarray['tvsn'] = 'tv_season'; // iTunes 6.0 + + // boxnames: + /* + $handyatomtranslatorarray['iTunSMPB'] = 'iTunSMPB'; + $handyatomtranslatorarray['iTunNORM'] = 'iTunNORM'; + $handyatomtranslatorarray['Encoding Params'] = 'Encoding Params'; + $handyatomtranslatorarray['replaygain_track_gain'] = 'replaygain_track_gain'; + $handyatomtranslatorarray['replaygain_track_peak'] = 'replaygain_track_peak'; + $handyatomtranslatorarray['replaygain_track_minmax'] = 'replaygain_track_minmax'; + $handyatomtranslatorarray['MusicIP PUID'] = 'MusicIP PUID'; + $handyatomtranslatorarray['MusicBrainz Artist Id'] = 'MusicBrainz Artist Id'; + $handyatomtranslatorarray['MusicBrainz Album Id'] = 'MusicBrainz Album Id'; + $handyatomtranslatorarray['MusicBrainz Album Artist Id'] = 'MusicBrainz Album Artist Id'; + $handyatomtranslatorarray['MusicBrainz Track Id'] = 'MusicBrainz Track Id'; + $handyatomtranslatorarray['MusicBrainz Disc Id'] = 'MusicBrainz Disc Id'; + + // http://age.hobba.nl/audio/tag_frame_reference.html + $handyatomtranslatorarray['PLAY_COUNTER'] = 'play_counter'; // Foobar2000 - 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; + $comment_key = ''; + if ($boxname && ($boxname != $keyname)) { + $comment_key = (isset($handyatomtranslatorarray[$boxname]) ? $handyatomtranslatorarray[$boxname] : $boxname); + } elseif (isset($handyatomtranslatorarray[$keyname])) { + $comment_key = $handyatomtranslatorarray[$keyname]; + } + if ($comment_key) { + if ($comment_key == 'picture') { + // already copied directly into [comments][picture] elsewhere, do not re-copy here + return true; + } + $gooddata = array($data); + if ($comment_key == 'genre') { + // some other taggers separate multiple genres with semicolon, e.g. "Heavy Metal;Thrash Metal;Metal" + $gooddata = explode(';', $data); + } + foreach ($gooddata as $data) { + if (!empty($info['quicktime']['comments'][$comment_key]) && in_array($data, $info['quicktime']['comments'][$comment_key], true)) { + // avoid duplicate copies of identical data + continue; + } + $info['quicktime']['comments'][$comment_key][] = $data; + } + } + 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 ''; + } + } + // UTF-8 + if (preg_match('/(.*)\x00/', $lstring, $lmatches)) { + $count = strlen($lmatches[1]) + 1; //account for trailing \x00 + return $lmatches[1]; + } + 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 substr($nullterminatedstring, 0, strlen($nullterminatedstring) - 1); + } + 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); + } + + /** + * @param string $pascalstring + * + * @return string + */ + public function MaybePascal2String($pascalstring) { + // Pascal strings have 1 unsigned byte at the beginning saying how many chars (1-255) are in the string + // Check if string actually is in this format or written incorrectly, straight string, or null-terminated string + if (ord(substr($pascalstring, 0, 1)) == (strlen($pascalstring) - 1)) { + return substr($pascalstring, 1); + } elseif (substr($pascalstring, -1, 1) == "\x00") { + // appears to be null-terminated instead of Pascal-style + return substr($pascalstring, 0, -1); + } + return $pascalstring; + } + + + /** + * 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; + if ($key === $tag) { + $result[] = array($key_history, $info); + } else { + if (is_array($value)) { + $this->search_tag_by_key($value, $tag, $key_history, $result); + } + } + } + } + + /** + * @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; + if (($key === $k) && ($value === $v)) { + $result[] = array($key_history, $info); + } else { + if (is_array($value)) { + $this->search_tag_by_pair($value, $k, $v, $key_history, $result); + } + } + } + } + + /** + * @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', $res); + foreach ($res as $value) { + $stbl_res = array(); + $this->search_tag_by_pair($value[1], 'data_format', 'text', $value[0], $stbl_res); + if (count($stbl_res) > 0) { + $stts_res = array(); + $this->search_tag_by_key($value[1], 'time_to_sample_table', $value[0], $stts_res); + if (count($stts_res) > 0) { + return $stts_res[0][1]['time_to_sample_table']; + } + } + } + return array(); + } + + /** + * @param array $info + * + * @return int + */ + public function quicktime_bookmark_time_scale($info) { + $time_scale = ''; + $ts_prefix_len = 0; + $res = array(); + $this->search_tag_by_pair($info['quicktime']['moov'], 'name', 'stbl', 'quicktime/moov', $res); + foreach ($res as $value) { + $stbl_res = array(); + $this->search_tag_by_pair($value[1], 'data_format', 'text', $value[0], $stbl_res); + if (count($stbl_res) > 0) { + $ts_res = array(); + $this->search_tag_by_key($info['quicktime']['moov'], 'time_scale', 'quicktime/moov', $ts_res); + foreach ($ts_res as $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 = $sub_value[1]['time_scale']; + $ts_prefix_len = strlen($prefix); + } + } + } + } + return $time_scale; + } + /* + // END helper functions for m4b audiobook chapters + */ + + +} |