diff options
Diffstat (limited to 'getid3/module.audio-video.quicktime.php')
| -rw-r--r-- | getid3/module.audio-video.quicktime.php | 1382 |
1 files changed, 1382 insertions, 0 deletions
diff --git a/getid3/module.audio-video.quicktime.php b/getid3/module.audio-video.quicktime.php new file mode 100644 index 0000000..681daf7 --- /dev/null +++ b/getid3/module.audio-video.quicktime.php @@ -0,0 +1,1382 @@ +<?php +///////////////////////////////////////////////////////////////// +/// getID3() by James Heinrich <info@getid3.org> // +// available at http://getid3.sourceforge.net // +// or http://www.getid3.org // +///////////////////////////////////////////////////////////////// +// 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 // +// /// +///////////////////////////////////////////////////////////////// + +getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.mp3.php', __FILE__, true); + +class getid3_quicktime +{ + + function getid3_quicktime(&$fd, &$ThisFileInfo, $ReturnAtomData=true, $ParseAllPossibleAtoms=false) { + + $ThisFileInfo['fileformat'] = 'quicktime'; + $ThisFileInfo['quicktime']['hinting'] = false; + + fseek($fd, $ThisFileInfo['avdataoffset'], SEEK_SET); + + $offset = 0; + $atomcounter = 0; + + while ($offset < $ThisFileInfo['avdataend']) { + if ($offset >= pow(2, 31)) { + $ThisFileInfo['error'][] = 'Unable to parse atom at offset '.$offset.' because beyond 2GB limit of PHP filesystem functions'; + break; + } + fseek($fd, $offset, SEEK_SET); + $AtomHeader = fread($fd, 8); + + $atomsize = getid3_lib::BigEndian2Int(substr($AtomHeader, 0, 4)); + $atomname = substr($AtomHeader, 4, 4); + + // 64-bit MOV patch by jlegateØktnc*com + if ($atomsize == 1) { + $atomsize = getid3_lib::BigEndian2Int(fread($fd, 8)); + } + + $ThisFileInfo['quicktime'][$atomname]['name'] = $atomname; + $ThisFileInfo['quicktime'][$atomname]['size'] = $atomsize; + $ThisFileInfo['quicktime'][$atomname]['offset'] = $offset; + + if (($offset + $atomsize) > $ThisFileInfo['avdataend']) { + $ThisFileInfo['error'][] = 'Atom at offset '.$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. + break; + } + switch ($atomname) { + case 'mdat': // Media DATa atom + // 'mdat' contains the actual data for the audio/video + if (($atomsize > 8) && (!isset($ThisFileInfo['avdataend_tmp']) || ($ThisFileInfo['quicktime'][$atomname]['size'] > ($ThisFileInfo['avdataend_tmp'] - $ThisFileInfo['avdataoffset'])))) { + + $ThisFileInfo['avdataoffset'] = $ThisFileInfo['quicktime'][$atomname]['offset'] + 8; + $OldAVDataEnd = $ThisFileInfo['avdataend']; + $ThisFileInfo['avdataend'] = $ThisFileInfo['quicktime'][$atomname]['offset'] + $ThisFileInfo['quicktime'][$atomname]['size']; + + if (getid3_mp3::MPEGaudioHeaderValid(getid3_mp3::MPEGaudioHeaderDecode(fread($fd, 4)))) { + getid3_mp3::getOnlyMPEGaudioInfo($fd, $ThisFileInfo, $ThisFileInfo['avdataoffset'], false); + if (isset($ThisFileInfo['mpeg']['audio'])) { + $ThisFileInfo['audio']['dataformat'] = 'mp3'; + $ThisFileInfo['audio']['codec'] = (!empty($ThisFileInfo['mpeg']['audio']['encoder']) ? $ThisFileInfo['mpeg']['audio']['encoder'] : (!empty($ThisFileInfo['mpeg']['audio']['codec']) ? $ThisFileInfo['mpeg']['audio']['codec'] : (!empty($ThisFileInfo['mpeg']['audio']['LAME']) ? 'LAME' :'mp3'))); + $ThisFileInfo['audio']['sample_rate'] = $ThisFileInfo['mpeg']['audio']['sample_rate']; + $ThisFileInfo['audio']['channels'] = $ThisFileInfo['mpeg']['audio']['channels']; + $ThisFileInfo['audio']['bitrate'] = $ThisFileInfo['mpeg']['audio']['bitrate']; + $ThisFileInfo['audio']['bitrate_mode'] = strtolower($ThisFileInfo['mpeg']['audio']['bitrate_mode']); + $ThisFileInfo['bitrate'] = $ThisFileInfo['audio']['bitrate']; + } + } + $ThisFileInfo['avdataend'] = $OldAVDataEnd; + unset($OldAVDataEnd); + + } + 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 + break; + + default: + $atomHierarchy = array(); + $ThisFileInfo['quicktime'][$atomname] = $this->QuicktimeParseAtom($atomname, $atomsize, fread($fd, $atomsize), $ThisFileInfo, $offset, $atomHierarchy, $ParseAllPossibleAtoms); + break; + } + + $offset += $atomsize; + $atomcounter++; + } + + if (!empty($ThisFileInfo['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 + $ThisFileInfo['avdataend'] = $ThisFileInfo['avdataend_tmp']; + unset($ThisFileInfo['avdataend_tmp']); + } + + if (!isset($ThisFileInfo['bitrate']) && isset($ThisFileInfo['playtime_seconds'])) { + $ThisFileInfo['bitrate'] = (($ThisFileInfo['avdataend'] - $ThisFileInfo['avdataoffset']) * 8) / $ThisFileInfo['playtime_seconds']; + } + if (isset($ThisFileInfo['bitrate']) && !isset($ThisFileInfo['audio']['bitrate']) && !isset($ThisFileInfo['quicktime']['video'])) { + $ThisFileInfo['audio']['bitrate'] = $ThisFileInfo['bitrate']; + } + if (@$ThisFileInfo['playtime_seconds'] && !isset($ThisFileInfo['video']['frame_rate']) && !empty($ThisFileInfo['quicktime']['stts_framecount'])) { + foreach ($ThisFileInfo['quicktime']['stts_framecount'] as $key => $samples_count) { + $samples_per_second = $samples_count / $ThisFileInfo['playtime_seconds']; + if ($samples_per_second > 240) { + // has to be audio samples + } else { + $ThisFileInfo['video']['frame_rate'] = $samples_per_second; + break; + } + } + } + if (($ThisFileInfo['audio']['dataformat'] == 'mp4') && empty($ThisFileInfo['video']['resolution_x'])) { + $ThisFileInfo['fileformat'] = 'mp4'; + $ThisFileInfo['mime_type'] = 'audio/mp4'; + unset($ThisFileInfo['video']['dataformat']); + } + + if (!$ReturnAtomData) { + unset($ThisFileInfo['quicktime']['moov']); + } + + if (empty($ThisFileInfo['audio']['dataformat']) && !empty($ThisFileInfo['quicktime']['audio'])) { + $ThisFileInfo['audio']['dataformat'] = 'quicktime'; + } + if (empty($ThisFileInfo['video']['dataformat']) && !empty($ThisFileInfo['quicktime']['video'])) { + $ThisFileInfo['video']['dataformat'] = 'quicktime'; + } + + return true; + } + + function QuicktimeParseAtom($atomname, $atomsize, $atomdata, &$ThisFileInfo, $baseoffset, &$atomHierarchy, $ParseAllPossibleAtoms) { + // http://developer.apple.com/techpubs/quicktime/qtdevdocs/APIREF/INDEX/atomalphaindex.htm + + array_push($atomHierarchy, $atomname); + $atomstructure['hierarchy'] = implode(' ', $atomHierarchy); + $atomstructure['name'] = $atomname; + $atomstructure['size'] = $atomsize; + $atomstructure['offset'] = $baseoffset; + + switch ($atomname) { + case 'moov': // MOVie container atom + case 'trak': // TRAcK container atom + case 'clip': // CLIPping container atom + case 'matt': // track MATTe container atom + case 'edts': // EDiTS container atom + case 'tref': // Track REFerence container atom + case 'mdia': // MeDIA container atom + case 'minf': // Media INFormation container atom + case 'dinf': // Data INFormation container atom + case 'udta': // User DaTA container atom + case 'cmov': // Compressed MOVie container atom + case 'rmra': // Reference Movie Record Atom + case 'rmda': // Reference Movie Descriptor Atom + case 'gmhd': // Generic Media info HeaDer atom (seen on QTVR) + $atomstructure['subatoms'] = $this->QuicktimeParseContainerAtom($atomdata, $ThisFileInfo, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); + break; + + case 'stbl': // Sample TaBLe container atom + $atomstructure['subatoms'] = $this->QuicktimeParseContainerAtom($atomdata, $ThisFileInfo, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); + $isVideo = false; + $framerate = 0; + $framecount = 0; + foreach ($atomstructure['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'])) { + $framerate = round($ThisFileInfo['quicktime']['time_scale'] / $value_array2['sample_duration'], 3); + $framecount = $value_array2['sample_count']; + } + } + } + } + if ($isVideo && $framerate) { + $ThisFileInfo['quicktime']['video']['frame_rate'] = $framerate; + $ThisFileInfo['video']['frame_rate'] = $ThisFileInfo['quicktime']['video']['frame_rate']; + } + if ($isVideo && $framecount) { + $ThisFileInfo['quicktime']['video']['frame_count'] = $framecount; + } + break; + + + case '©cpy': + case '©day': + case '©dir': + case '©ed1': + case '©ed2': + case '©ed3': + case '©ed4': + case '©ed5': + case '©ed6': + case '©ed7': + case '©ed8': + case '©ed9': + case '©fmt': + case '©inf': + case '©prd': + case '©prf': + case '©req': + case '©src': + case '©wrt': + case '©nam': + case '©cmt': + case '©wrn': + case '©hst': + case '©mak': + case '©mod': + case '©PRD': + case '©swr': + case '©aut': + case '©ART': + case '©trk': + case '©alb': + case '©com': + case '©gen': + case '©ope': + case '©url': + case '©enc': + $atomstructure['data_length'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 2)); + $atomstructure['language_id'] = getid3_lib::BigEndian2Int(substr($atomdata, 2, 2)); + $atomstructure['data'] = substr($atomdata, 4); + + $atomstructure['language'] = $this->QuicktimeLanguageLookup($atomstructure['language_id']); + if (empty($ThisFileInfo['comments']['language']) || (!in_array($atomstructure['language'], $ThisFileInfo['comments']['language']))) { + $ThisFileInfo['comments']['language'][] = $atomstructure['language']; + } + $this->CopyToAppropriateCommentsSection($atomname, $atomstructure['data'], $ThisFileInfo); + break; + + + case 'play': // auto-PLAY atom + $atomstructure['autoplay'] = (bool) getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); + + $ThisFileInfo['quicktime']['autoplay'] = $atomstructure['autoplay']; + break; + + + case 'WLOC': // Window LOCation atom + $atomstructure['location_x'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 2)); + $atomstructure['location_y'] = getid3_lib::BigEndian2Int(substr($atomdata, 2, 2)); + break; + + + case 'LOOP': // LOOPing atom + case 'SelO': // play SELection Only atom + case 'AllF': // play ALL Frames atom + $atomstructure['data'] = getid3_lib::BigEndian2Int($atomdata); + break; + + + case 'name': // + case 'MCPS': // Media Cleaner PRo + case '@PRM': // adobe PReMiere version + case '@PRQ': // adobe PRemiere Quicktime version + $atomstructure['data'] = $atomdata; + break; + + + case 'cmvd': // Compressed MooV Data atom + // Code by ubergeekØubergeek*tv based on information from + // http://developer.apple.com/quicktime/icefloe/dispatch012.html + $atomstructure['unCompressedSize'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 4)); + + $CompressedFileData = substr($atomdata, 4); + if ($UncompressedHeader = @gzuncompress($CompressedFileData)) { + $atomstructure['subatoms'] = $this->QuicktimeParseContainerAtom($UncompressedHeader, $ThisFileInfo, 0, $atomHierarchy, $ParseAllPossibleAtoms); + } else { + $ThisFileInfo['warning'][] = 'Error decompressing compressed MOV atom at offset '.$atomstructure['offset']; + } + break; + + + case 'dcom': // Data COMpression atom + $atomstructure['compression_id'] = $atomdata; + $atomstructure['compression_text'] = $this->QuicktimeDCOMLookup($atomdata); + break; + + + case 'rdrf': // Reference movie Data ReFerence atom + $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); + $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); + $atomstructure['flags']['internal_data'] = (bool) ($atomstructure['flags_raw'] & 0x000001); + + $atomstructure['reference_type_name'] = substr($atomdata, 4, 4); + $atomstructure['reference_length'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 4)); + switch ($atomstructure['reference_type_name']) { + case 'url ': + $atomstructure['url'] = $this->NoNullString(substr($atomdata, 12)); + break; + + case 'alis': + $atomstructure['file_alias'] = substr($atomdata, 12); + break; + + case 'rsrc': + $atomstructure['resource_alias'] = substr($atomdata, 12); + break; + + default: + $atomstructure['data'] = substr($atomdata, 12); + break; + } + break; + + + case 'rmqu': // Reference Movie QUality atom + $atomstructure['movie_quality'] = getid3_lib::BigEndian2Int($atomdata); + break; + + + case 'rmcs': // Reference Movie Cpu Speed atom + $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); + $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 + $atomstructure['cpu_speed_rating'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2)); + break; + + + case 'rmvc': // Reference Movie Version Check atom + $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); + $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 + $atomstructure['gestalt_selector'] = substr($atomdata, 4, 4); + $atomstructure['gestalt_value_mask'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 4)); + $atomstructure['gestalt_value'] = getid3_lib::BigEndian2Int(substr($atomdata, 12, 4)); + $atomstructure['gestalt_check_type'] = getid3_lib::BigEndian2Int(substr($atomdata, 14, 2)); + break; + + + case 'rmcd': // Reference Movie Component check atom + $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); + $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 + $atomstructure['component_type'] = substr($atomdata, 4, 4); + $atomstructure['component_subtype'] = substr($atomdata, 8, 4); + $atomstructure['component_manufacturer'] = substr($atomdata, 12, 4); + $atomstructure['component_flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 16, 4)); + $atomstructure['component_flags_mask'] = getid3_lib::BigEndian2Int(substr($atomdata, 20, 4)); + $atomstructure['component_min_version'] = getid3_lib::BigEndian2Int(substr($atomdata, 24, 4)); + break; + + + case 'rmdr': // Reference Movie Data Rate atom + $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); + $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 + $atomstructure['data_rate'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); + + $atomstructure['data_rate_bps'] = $atomstructure['data_rate'] * 10; + break; + + + case 'rmla': // Reference Movie Language Atom + $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); + $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 + $atomstructure['language_id'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2)); + + $atomstructure['language'] = $this->QuicktimeLanguageLookup($atomstructure['language_id']); + if (empty($ThisFileInfo['comments']['language']) || (!in_array($atomstructure['language'], $ThisFileInfo['comments']['language']))) { + $ThisFileInfo['comments']['language'][] = $atomstructure['language']; + } + break; + + + case 'rmla': // Reference Movie Language Atom + $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); + $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 + $atomstructure['track_id'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2)); + break; + + + case 'ptv ': // Print To Video - defines a movie's full screen mode + // http://developer.apple.com/documentation/QuickTime/APIREF/SOURCESIV/at_ptv-_pg.htm + $atomstructure['display_size_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 2)); + $atomstructure['reserved_1'] = getid3_lib::BigEndian2Int(substr($atomdata, 2, 2)); // hardcoded: 0x0000 + $atomstructure['reserved_2'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2)); // hardcoded: 0x0000 + $atomstructure['slide_show_flag'] = getid3_lib::BigEndian2Int(substr($atomdata, 6, 1)); + $atomstructure['play_on_open_flag'] = getid3_lib::BigEndian2Int(substr($atomdata, 7, 1)); + + $atomstructure['flags']['play_on_open'] = (bool) $atomstructure['play_on_open_flag']; + $atomstructure['flags']['slide_show'] = (bool) $atomstructure['slide_show_flag']; + + $ptv_lookup[0] = 'normal'; + $ptv_lookup[1] = 'double'; + $ptv_lookup[2] = 'half'; + $ptv_lookup[3] = 'full'; + $ptv_lookup[4] = 'current'; + if (isset($ptv_lookup[$atomstructure['display_size_raw']])) { + $atomstructure['display_size'] = $ptv_lookup[$atomstructure['display_size_raw']]; + } else { + $ThisFileInfo['warning'][] = 'unknown "ptv " display constant ('.$atomstructure['display_size_raw'].')'; + } + break; + + + case 'stsd': // Sample Table Sample Description atom + $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); + $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 + $atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); + $stsdEntriesDataOffset = 8; + for ($i = 0; $i < $atomstructure['number_entries']; $i++) { + $atomstructure['sample_description_table'][$i]['size'] = getid3_lib::BigEndian2Int(substr($atomdata, $stsdEntriesDataOffset, 4)); + $stsdEntriesDataOffset += 4; + $atomstructure['sample_description_table'][$i]['data_format'] = substr($atomdata, $stsdEntriesDataOffset, 4); + $stsdEntriesDataOffset += 4; + $atomstructure['sample_description_table'][$i]['reserved'] = getid3_lib::BigEndian2Int(substr($atomdata, $stsdEntriesDataOffset, 6)); + $stsdEntriesDataOffset += 6; + $atomstructure['sample_description_table'][$i]['reference_index'] = getid3_lib::BigEndian2Int(substr($atomdata, $stsdEntriesDataOffset, 2)); + $stsdEntriesDataOffset += 2; + $atomstructure['sample_description_table'][$i]['data'] = substr($atomdata, $stsdEntriesDataOffset, ($atomstructure['sample_description_table'][$i]['size'] - 4 - 4 - 6 - 2)); + $stsdEntriesDataOffset += ($atomstructure['sample_description_table'][$i]['size'] - 4 - 4 - 6 - 2); + + $atomstructure['sample_description_table'][$i]['encoder_version'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 0, 2)); + $atomstructure['sample_description_table'][$i]['encoder_revision'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 2, 2)); + $atomstructure['sample_description_table'][$i]['encoder_vendor'] = substr($atomstructure['sample_description_table'][$i]['data'], 4, 4); + + switch ($atomstructure['sample_description_table'][$i]['encoder_vendor']) { + + case "\x00\x00\x00\x00": + // audio atom + $atomstructure['sample_description_table'][$i]['audio_channels'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 8, 2)); + $atomstructure['sample_description_table'][$i]['audio_bit_depth'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 10, 2)); + $atomstructure['sample_description_table'][$i]['audio_compression_id'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 12, 2)); + $atomstructure['sample_description_table'][$i]['audio_packet_size'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 14, 2)); + $atomstructure['sample_description_table'][$i]['audio_sample_rate'] = getid3_lib::FixedPoint16_16(substr($atomstructure['sample_description_table'][$i]['data'], 16, 4)); + + switch ($atomstructure['sample_description_table'][$i]['data_format']) { + case 'avc1': + case 'mp4v': + $ThisFileInfo['fileformat'] = 'mp4'; + $ThisFileInfo['video']['fourcc'] = $atomstructure['sample_description_table'][$i]['data_format']; + $ThisFileInfo['warning'][] = 'This version ('.GETID3_VERSION.') of getID3() does not fully support MPEG-4 audio/video streams'; + break; + + case 'qtvr': + $ThisFileInfo['video']['dataformat'] = 'quicktimevr'; + break; + + case 'mp4a': + default: + $ThisFileInfo['quicktime']['audio']['codec'] = $this->QuicktimeAudioCodecLookup($atomstructure['sample_description_table'][$i]['data_format']); + $ThisFileInfo['quicktime']['audio']['sample_rate'] = $atomstructure['sample_description_table'][$i]['audio_sample_rate']; + $ThisFileInfo['quicktime']['audio']['channels'] = $atomstructure['sample_description_table'][$i]['audio_channels']; + $ThisFileInfo['quicktime']['audio']['bit_depth'] = $atomstructure['sample_description_table'][$i]['audio_bit_depth']; + $ThisFileInfo['audio']['codec'] = $ThisFileInfo['quicktime']['audio']['codec']; + $ThisFileInfo['audio']['sample_rate'] = $ThisFileInfo['quicktime']['audio']['sample_rate']; + $ThisFileInfo['audio']['channels'] = $ThisFileInfo['quicktime']['audio']['channels']; + $ThisFileInfo['audio']['bits_per_sample'] = $ThisFileInfo['quicktime']['audio']['bit_depth']; + switch ($atomstructure['sample_description_table'][$i]['data_format']) { + case 'raw ': // PCM + case 'alac': // Apple Lossless Audio Codec + $ThisFileInfo['audio']['lossless'] = true; + break; + default: + $ThisFileInfo['audio']['lossless'] = false; + break; + } + break; + } + break; + + default: + switch ($atomstructure['sample_description_table'][$i]['data_format']) { + case 'mp4s': + $ThisFileInfo['fileformat'] = 'mp4'; + break; + + default: + // video atom + $atomstructure['sample_description_table'][$i]['video_temporal_quality'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 8, 4)); + $atomstructure['sample_description_table'][$i]['video_spatial_quality'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 12, 4)); + $atomstructure['sample_description_table'][$i]['video_frame_width'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 16, 2)); + $atomstructure['sample_description_table'][$i]['video_frame_height'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 18, 2)); + $atomstructure['sample_description_table'][$i]['video_resolution_x'] = getid3_lib::FixedPoint16_16(substr($atomstructure['sample_description_table'][$i]['data'], 20, 4)); + $atomstructure['sample_description_table'][$i]['video_resolution_y'] = getid3_lib::FixedPoint16_16(substr($atomstructure['sample_description_table'][$i]['data'], 24, 4)); + $atomstructure['sample_description_table'][$i]['video_data_size'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 28, 4)); + $atomstructure['sample_description_table'][$i]['video_frame_count'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 32, 2)); + $atomstructure['sample_description_table'][$i]['video_encoder_name_len'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 34, 1)); + $atomstructure['sample_description_table'][$i]['video_encoder_name'] = substr($atomstructure['sample_description_table'][$i]['data'], 35, $atomstructure['sample_description_table'][$i]['video_encoder_name_len']); + $atomstructure['sample_description_table'][$i]['video_pixel_color_depth'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 66, 2)); + $atomstructure['sample_description_table'][$i]['video_color_table_id'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 68, 2)); + + $atomstructure['sample_description_table'][$i]['video_pixel_color_type'] = (($atomstructure['sample_description_table'][$i]['video_pixel_color_depth'] > 32) ? 'grayscale' : 'color'); + $atomstructure['sample_description_table'][$i]['video_pixel_color_name'] = $this->QuicktimeColorNameLookup($atomstructure['sample_description_table'][$i]['video_pixel_color_depth']); + + if ($atomstructure['sample_description_table'][$i]['video_pixel_color_name'] != 'invalid') { + $ThisFileInfo['quicktime']['video']['codec_fourcc'] = $atomstructure['sample_description_table'][$i]['data_format']; + $ThisFileInfo['quicktime']['video']['codec_fourcc_lookup'] = $this->QuicktimeVideoCodecLookup($atomstructure['sample_description_table'][$i]['data_format']); + $ThisFileInfo['quicktime']['video']['codec'] = $atomstructure['sample_description_table'][$i]['video_encoder_name']; + $ThisFileInfo['quicktime']['video']['color_depth'] = $atomstructure['sample_description_table'][$i]['video_pixel_color_depth']; + $ThisFileInfo['quicktime']['video']['color_depth_name'] = $atomstructure['sample_description_table'][$i]['video_pixel_color_name']; + + $ThisFileInfo['video']['codec'] = $ThisFileInfo['quicktime']['video']['codec']; + $ThisFileInfo['video']['bits_per_sample'] = $ThisFileInfo['quicktime']['video']['color_depth']; + } + $ThisFileInfo['video']['lossless'] = false; + $ThisFileInfo['video']['pixel_aspect_ratio'] = (float) 1; + break; + } + break; + } + switch (strtolower($atomstructure['sample_description_table'][$i]['data_format'])) { + case 'mp4a': + $ThisFileInfo['audio']['dataformat'] = 'mp4'; + $ThisFileInfo['quicktime']['audio']['codec'] = 'mp4'; + break; + + case '3ivx': + case '3iv1': + case '3iv2': + $ThisFileInfo['video']['dataformat'] = '3ivx'; + break; + + case 'xvid': + $ThisFileInfo['video']['dataformat'] = 'xvid'; + break; + + case 'mp4v': + $ThisFileInfo['video']['dataformat'] = 'mpeg4'; + break; + + case 'divx': + case 'div1': + case 'div2': + case 'div3': + case 'div4': + case 'div5': + case 'div6': + $TDIVXileInfo['video']['dataformat'] = 'divx'; + break; + + default: + // do nothing + break; + } + unset($atomstructure['sample_description_table'][$i]['data']); + } + break; + + + case 'stts': // Sample Table Time-to-Sample atom + $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); + $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 + $atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); + $sttsEntriesDataOffset = 8; + //$FrameRateCalculatorArray = array(); + $frames_count = 0; + for ($i = 0; $i < $atomstructure['number_entries']; $i++) { + $atomstructure['time_to_sample_table'][$i]['sample_count'] = getid3_lib::BigEndian2Int(substr($atomdata, $sttsEntriesDataOffset, 4)); + $sttsEntriesDataOffset += 4; + $atomstructure['time_to_sample_table'][$i]['sample_duration'] = getid3_lib::BigEndian2Int(substr($atomdata, $sttsEntriesDataOffset, 4)); + $sttsEntriesDataOffset += 4; + + $frames_count += $atomstructure['time_to_sample_table'][$i]['sample_count']; + + // THIS SECTION REPLACED WITH CODE IN "stbl" ATOM + //if (!empty($ThisFileInfo['quicktime']['time_scale']) && (@$atomstructure['time_to_sample_table'][$i]['sample_duration'] > 0)) { + // $stts_new_framerate = $ThisFileInfo['quicktime']['time_scale'] / $atomstructure['time_to_sample_table'][$i]['sample_duration']; + // if ($stts_new_framerate <= 60) { + // // some atoms have durations of "1" giving a very large framerate, which probably is not right + // $ThisFileInfo['video']['frame_rate'] = max(@$ThisFileInfo['video']['frame_rate'], $stts_new_framerate); + // } + //} + // + //@$FrameRateCalculatorArray[($ThisFileInfo['quicktime']['time_scale'] / $atomstructure['time_to_sample_table'][$i]['sample_duration'])] += $atomstructure['time_to_sample_table'][$i]['sample_count']; + } + $ThisFileInfo['quicktime']['stts_framecount'][] = $frames_count; + //$sttsFramesTotal = 0; + //$sttsSecondsTotal = 0; + //foreach ($FrameRateCalculatorArray as $frames_per_second => $frame_count) { + // if (($frames_per_second > 60) || ($frames_per_second < 1)) { + // // not video FPS information, probably audio information + // $sttsFramesTotal = 0; + // $sttsSecondsTotal = 0; + // break; + // } + // $sttsFramesTotal += $frame_count; + // $sttsSecondsTotal += $frame_count / $frames_per_second; + //} + //if (($sttsFramesTotal > 0) && ($sttsSecondsTotal > 0)) { + // if (($sttsFramesTotal / $sttsSecondsTotal) > @$ThisFileInfo['video']['frame_rate']) { + // $ThisFileInfo['video']['frame_rate'] = $sttsFramesTotal / $sttsSecondsTotal; + // } + //} + break; + + + case 'stss': // Sample Table Sync Sample (key frames) atom + if ($ParseAllPossibleAtoms) { + $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); + $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 + $atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); + $stssEntriesDataOffset = 8; + for ($i = 0; $i < $atomstructure['number_entries']; $i++) { + $atomstructure['time_to_sample_table'][$i] = getid3_lib::BigEndian2Int(substr($atomdata, $stssEntriesDataOffset, 4)); + $stssEntriesDataOffset += 4; + } + } + break; + + + case 'stsc': // Sample Table Sample-to-Chunk atom + if ($ParseAllPossibleAtoms) { + $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); + $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 + $atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); + $stscEntriesDataOffset = 8; + for ($i = 0; $i < $atomstructure['number_entries']; $i++) { + $atomstructure['sample_to_chunk_table'][$i]['first_chunk'] = getid3_lib::BigEndian2Int(substr($atomdata, $stscEntriesDataOffset, 4)); + $stscEntriesDataOffset += 4; + $atomstructure['sample_to_chunk_table'][$i]['samples_per_chunk'] = getid3_lib::BigEndian2Int(substr($atomdata, $stscEntriesDataOffset, 4)); + $stscEntriesDataOffset += 4; + $atomstructure['sample_to_chunk_table'][$i]['sample_description'] = getid3_lib::BigEndian2Int(substr($atomdata, $stscEntriesDataOffset, 4)); + $stscEntriesDataOffset += 4; + } + } + break; + + + case 'stsz': // Sample Table SiZe atom + if ($ParseAllPossibleAtoms) { + $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); + $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 + $atomstructure['sample_size'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); + $atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 4)); + $stszEntriesDataOffset = 12; + if ($atomstructure['sample_size'] == 0) { + for ($i = 0; $i < $atomstructure['number_entries']; $i++) { + $atomstructure['sample_size_table'][$i] = getid3_lib::BigEndian2Int(substr($atomdata, $stszEntriesDataOffset, 4)); + $stszEntriesDataOffset += 4; + } + } + } + break; + + + case 'stco': // Sample Table Chunk Offset atom + if ($ParseAllPossibleAtoms) { + $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); + $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 + $atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); + $stcoEntriesDataOffset = 8; + for ($i = 0; $i < $atomstructure['number_entries']; $i++) { + $atomstructure['chunk_offset_table'][$i] = getid3_lib::BigEndian2Int(substr($atomdata, $stcoEntriesDataOffset, 4)); + $stcoEntriesDataOffset += 4; + } + } + break; + + + case 'co64': // Chunk Offset 64-bit (version of "stco" that supports > 2GB files) + if ($ParseAllPossibleAtoms) { + $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); + $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 + $atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); + $stcoEntriesDataOffset = 8; + for ($i = 0; $i < $atomstructure['number_entries']; $i++) { + $atomstructure['chunk_offset_table'][$i] = getid3_lib::BigEndian2Int(substr($atomdata, $stcoEntriesDataOffset, 8)); + $stcoEntriesDataOffset += 8; + } + } + break; + + + case 'dref': // Data REFerence atom + $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); + $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 + $atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); + $drefDataOffset = 8; + for ($i = 0; $i < $atomstructure['number_entries']; $i++) { + $atomstructure['data_references'][$i]['size'] = getid3_lib::BigEndian2Int(substr($atomdata, $drefDataOffset, 4)); + $drefDataOffset += 4; + $atomstructure['data_references'][$i]['type'] = substr($atomdata, $drefDataOffset, 4); + $drefDataOffset += 4; + $atomstructure['data_references'][$i]['version'] = getid3_lib::BigEndian2Int(substr($atomdata, $drefDataOffset, 1)); + $drefDataOffset += 1; + $atomstructure['data_references'][$i]['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, $drefDataOffset, 3)); // hardcoded: 0x0000 + $drefDataOffset += 3; + $atomstructure['data_references'][$i]['data'] = substr($atomdata, $drefDataOffset, ($atomstructure['data_references'][$i]['size'] - 4 - 4 - 1 - 3)); + $drefDataOffset += ($atomstructure['data_references'][$i]['size'] - 4 - 4 - 1 - 3); + + $atomstructure['data_references'][$i]['flags']['self_reference'] = (bool) ($atomstructure['data_references'][$i]['flags_raw'] & 0x001); + } + break; + + + case 'gmin': // base Media INformation atom + $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); + $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 + $atomstructure['graphics_mode'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2)); + $atomstructure['opcolor_red'] = getid3_lib::BigEndian2Int(substr($atomdata, 6, 2)); + $atomstructure['opcolor_green'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 2)); + $atomstructure['opcolor_blue'] = getid3_lib::BigEndian2Int(substr($atomdata, 10, 2)); + $atomstructure['balance'] = getid3_lib::BigEndian2Int(substr($atomdata, 12, 2)); + $atomstructure['reserved'] = getid3_lib::BigEndian2Int(substr($atomdata, 14, 2)); + break; + + + case 'smhd': // Sound Media information HeaDer atom + $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); + $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 + $atomstructure['balance'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2)); + $atomstructure['reserved'] = getid3_lib::BigEndian2Int(substr($atomdata, 6, 2)); + break; + + + case 'vmhd': // Video Media information HeaDer atom + $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); + $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); + $atomstructure['graphics_mode'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2)); + $atomstructure['opcolor_red'] = getid3_lib::BigEndian2Int(substr($atomdata, 6, 2)); + $atomstructure['opcolor_green'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 2)); + $atomstructure['opcolor_blue'] = getid3_lib::BigEndian2Int(substr($atomdata, 10, 2)); + + $atomstructure['flags']['no_lean_ahead'] = (bool) ($atomstructure['flags_raw'] & 0x001); + break; + + + case 'hdlr': // HanDLeR reference atom + $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); + $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 + $atomstructure['component_type'] = substr($atomdata, 4, 4); + $atomstructure['component_subtype'] = substr($atomdata, 8, 4); + $atomstructure['component_manufacturer'] = substr($atomdata, 12, 4); + $atomstructure['component_flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 16, 4)); + $atomstructure['component_flags_mask'] = getid3_lib::BigEndian2Int(substr($atomdata, 20, 4)); + $atomstructure['component_name'] = $this->Pascal2String(substr($atomdata, 24)); + + if (($atomstructure['component_subtype'] == 'STpn') && ($atomstructure['component_manufacturer'] == 'zzzz')) { + $ThisFileInfo['video']['dataformat'] = 'quicktimevr'; + } + break; + + + case 'mdhd': // MeDia HeaDer atom + $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); + $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 + $atomstructure['creation_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); + $atomstructure['modify_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 4)); + $atomstructure['time_scale'] = getid3_lib::BigEndian2Int(substr($atomdata, 12, 4)); + $atomstructure['duration'] = getid3_lib::BigEndian2Int(substr($atomdata, 16, 4)); + $atomstructure['language_id'] = getid3_lib::BigEndian2Int(substr($atomdata, 20, 2)); + $atomstructure['quality'] = getid3_lib::BigEndian2Int(substr($atomdata, 22, 2)); + + if ($atomstructure['time_scale'] == 0) { + $ThisFileInfo['error'][] = 'Corrupt Quicktime file: mdhd.time_scale == zero'; + return false; + } + $ThisFileInfo['quicktime']['time_scale'] = max(@$ThisFileInfo['quicktime']['time_scale'], $atomstructure['time_scale']); + + $atomstructure['creation_time_unix'] = getid3_lib::DateMac2Unix($atomstructure['creation_time']); + $atomstructure['modify_time_unix'] = getid3_lib::DateMac2Unix($atomstructure['modify_time']); + $atomstructure['playtime_seconds'] = $atomstructure['duration'] / $atomstructure['time_scale']; + $atomstructure['language'] = $this->QuicktimeLanguageLookup($atomstructure['language_id']); + if (empty($ThisFileInfo['comments']['language']) || (!in_array($atomstructure['language'], $ThisFileInfo['comments']['language']))) { + $ThisFileInfo['comments']['language'][] = $atomstructure['language']; + } + break; + + + case 'pnot': // Preview atom + $atomstructure['modification_date'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 4)); // "standard Macintosh format" + $atomstructure['version_number'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2)); // hardcoded: 0x00 + $atomstructure['atom_type'] = substr($atomdata, 6, 4); // usually: 'PICT' + $atomstructure['atom_index'] = getid3_lib::BigEndian2Int(substr($atomdata, 10, 2)); // usually: 0x01 + + $atomstructure['modification_date_unix'] = getid3_lib::DateMac2Unix($atomstructure['modification_date']); + break; + + + case 'crgn': // Clipping ReGioN atom + $atomstructure['region_size'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 2)); // The Region size, Region boundary box, + $atomstructure['boundary_box'] = getid3_lib::BigEndian2Int(substr($atomdata, 2, 8)); // and Clipping region data fields + $atomstructure['clipping_data'] = substr($atomdata, 10); // constitute a QuickDraw region. + break; + + + case 'load': // track LOAD settings atom + $atomstructure['preload_start_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 4)); + $atomstructure['preload_duration'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); + $atomstructure['preload_flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 4)); + $atomstructure['default_hints_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 12, 4)); + + $atomstructure['default_hints']['double_buffer'] = (bool) ($atomstructure['default_hints_raw'] & 0x0020); + $atomstructure['default_hints']['high_quality'] = (bool) ($atomstructure['default_hints_raw'] & 0x0100); + break; + + + case 'tmcd': // TiMe CoDe atom + case 'chap': // CHAPter list atom + case 'sync': // SYNChronization atom + case 'scpt': // tranSCriPT atom + case 'ssrc': // non-primary SouRCe atom + for ($i = 0; $i < (strlen($atomdata) % 4); $i++) { + $atomstructure['track_id'][$i] = getid3_lib::BigEndian2Int(substr($atomdata, $i * 4, 4)); + } + break; + + + case 'elst': // Edit LiST atom + $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); + $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 + $atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); + for ($i = 0; $i < $atomstructure['number_entries']; $i++ ) { + $atomstructure['edit_list'][$i]['track_duration'] = getid3_lib::BigEndian2Int(substr($atomdata, 8 + ($i * 12) + 0, 4)); + $atomstructure['edit_list'][$i]['media_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 8 + ($i * 12) + 4, 4)); + $atomstructure['edit_list'][$i]['media_rate'] = getid3_lib::FixedPoint16_16(substr($atomdata, 8 + ($i * 12) + 8, 4)); + } + break; + + + case 'kmat': // compressed MATte atom + $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); + $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 + $atomstructure['matte_data_raw'] = substr($atomdata, 4); + break; + + + case 'ctab': // Color TABle atom + $atomstructure['color_table_seed'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 4)); // hardcoded: 0x00000000 + $atomstructure['color_table_flags'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2)); // hardcoded: 0x8000 + $atomstructure['color_table_size'] = getid3_lib::BigEndian2Int(substr($atomdata, 6, 2)) + 1; + for ($colortableentry = 0; $colortableentry < $atomstructure['color_table_size']; $colortableentry++) { + $atomstructure['color_table'][$colortableentry]['alpha'] = getid3_lib::BigEndian2Int(substr($atomdata, 8 + ($colortableentry * 8) + 0, 2)); + $atomstructure['color_table'][$colortableentry]['red'] = getid3_lib::BigEndian2Int(substr($atomdata, 8 + ($colortableentry * 8) + 2, 2)); + $atomstructure['color_table'][$colortableentry]['green'] = getid3_lib::BigEndian2Int(substr($atomdata, 8 + ($colortableentry * 8) + 4, 2)); + $atomstructure['color_table'][$colortableentry]['blue'] = getid3_lib::BigEndian2Int(substr($atomdata, 8 + ($colortableentry * 8) + 6, 2)); + } + break; + + + case 'mvhd': // MoVie HeaDer atom + $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); + $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); + $atomstructure['creation_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); + $atomstructure['modify_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 4)); + $atomstructure['time_scale'] = getid3_lib::BigEndian2Int(substr($atomdata, 12, 4)); + $atomstructure['duration'] = getid3_lib::BigEndian2Int(substr($atomdata, 16, 4)); + $atomstructure['preferred_rate'] = getid3_lib::FixedPoint16_16(substr($atomdata, 20, 4)); + $atomstructure['preferred_volume'] = getid3_lib::FixedPoint8_8(substr($atomdata, 24, 2)); + $atomstructure['reserved'] = substr($atomdata, 26, 10); + $atomstructure['matrix_a'] = getid3_lib::FixedPoint16_16(substr($atomdata, 36, 4)); + $atomstructure['matrix_b'] = getid3_lib::FixedPoint16_16(substr($atomdata, 40, 4)); + $atomstructure['matrix_u'] = getid3_lib::FixedPoint2_30(substr($atomdata, 44, 4)); + $atomstructure['matrix_c'] = getid3_lib::FixedPoint16_16(substr($atomdata, 48, 4)); + $atomstructure['matrix_d'] = getid3_lib::FixedPoint16_16(substr($atomdata, 52, 4)); + $atomstructure['matrix_v'] = getid3_lib::FixedPoint2_30(substr($atomdata, 56, 4)); + $atomstructure['matrix_x'] = getid3_lib::FixedPoint16_16(substr($atomdata, 60, 4)); + $atomstructure['matrix_y'] = getid3_lib::FixedPoint16_16(substr($atomdata, 64, 4)); + $atomstructure['matrix_w'] = getid3_lib::FixedPoint2_30(substr($atomdata, 68, 4)); + $atomstructure['preview_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 72, 4)); + $atomstructure['preview_duration'] = getid3_lib::BigEndian2Int(substr($atomdata, 76, 4)); + $atomstructure['poster_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 80, 4)); + $atomstructure['selection_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 84, 4)); + $atomstructure['selection_duration'] = getid3_lib::BigEndian2Int(substr($atomdata, 88, 4)); + $atomstructure['current_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 92, 4)); + $atomstructure['next_track_id'] = getid3_lib::BigEndian2Int(substr($atomdata, 96, 4)); + + if ($atomstructure['time_scale'] == 0) { + $ThisFileInfo['error'][] = 'Corrupt Quicktime file: mvhd.time_scale == zero'; + return false; + } + $atomstructure['creation_time_unix'] = getid3_lib::DateMac2Unix($atomstructure['creation_time']); + $atomstructure['modify_time_unix'] = getid3_lib::DateMac2Unix($atomstructure['modify_time']); + $ThisFileInfo['quicktime']['time_scale'] = max(@$ThisFileInfo['quicktime']['time_scale'], $atomstructure['time_scale']); + $ThisFileInfo['quicktime']['display_scale'] = $atomstructure['matrix_a']; + $ThisFileInfo['playtime_seconds'] = $atomstructure['duration'] / $atomstructure['time_scale']; + break; + + + case 'tkhd': // TracK HeaDer atom + $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); + $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); + $atomstructure['creation_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); + $atomstructure['modify_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 4)); + $atomstructure['trackid'] = getid3_lib::BigEndian2Int(substr($atomdata, 12, 4)); + $atomstructure['reserved1'] = getid3_lib::BigEndian2Int(substr($atomdata, 16, 4)); + $atomstructure['duration'] = getid3_lib::BigEndian2Int(substr($atomdata, 20, 4)); + $atomstructure['reserved2'] = getid3_lib::BigEndian2Int(substr($atomdata, 24, 8)); + $atomstructure['layer'] = getid3_lib::BigEndian2Int(substr($atomdata, 32, 2)); + $atomstructure['alternate_group'] = getid3_lib::BigEndian2Int(substr($atomdata, 34, 2)); + $atomstructure['volume'] = getid3_lib::FixedPoint8_8(substr($atomdata, 36, 2)); + $atomstructure['reserved3'] = getid3_lib::BigEndian2Int(substr($atomdata, 38, 2)); + $atomstructure['matrix_a'] = getid3_lib::FixedPoint16_16(substr($atomdata, 40, 4)); + $atomstructure['matrix_b'] = getid3_lib::FixedPoint16_16(substr($atomdata, 44, 4)); + $atomstructure['matrix_u'] = getid3_lib::FixedPoint16_16(substr($atomdata, 48, 4)); + $atomstructure['matrix_c'] = getid3_lib::FixedPoint16_16(substr($atomdata, 52, 4)); + $atomstructure['matrix_d'] = getid3_lib::FixedPoint16_16(substr($atomdata, 56, 4)); + $atomstructure['matrix_v'] = getid3_lib::FixedPoint16_16(substr($atomdata, 60, 4)); + $atomstructure['matrix_x'] = getid3_lib::FixedPoint2_30(substr($atomdata, 64, 4)); + $atomstructure['matrix_y'] = getid3_lib::FixedPoint2_30(substr($atomdata, 68, 4)); + $atomstructure['matrix_w'] = getid3_lib::FixedPoint2_30(substr($atomdata, 72, 4)); + $atomstructure['width'] = getid3_lib::FixedPoint16_16(substr($atomdata, 76, 4)); + $atomstructure['height'] = getid3_lib::FixedPoint16_16(substr($atomdata, 80, 4)); + + $atomstructure['flags']['enabled'] = (bool) ($atomstructure['flags_raw'] & 0x0001); + $atomstructure['flags']['in_movie'] = (bool) ($atomstructure['flags_raw'] & 0x0002); + $atomstructure['flags']['in_preview'] = (bool) ($atomstructure['flags_raw'] & 0x0004); + $atomstructure['flags']['in_poster'] = (bool) ($atomstructure['flags_raw'] & 0x0008); + $atomstructure['creation_time_unix'] = getid3_lib::DateMac2Unix($atomstructure['creation_time']); + $atomstructure['modify_time_unix'] = getid3_lib::DateMac2Unix($atomstructure['modify_time']); + + if (!isset($ThisFileInfo['video']['resolution_x']) || !isset($ThisFileInfo['video']['resolution_y'])) { + $ThisFileInfo['video']['resolution_x'] = $atomstructure['width']; + $ThisFileInfo['video']['resolution_y'] = $atomstructure['height']; + } + if ($atomstructure['flags']['enabled'] == 1) { + $ThisFileInfo['video']['resolution_x'] = max($ThisFileInfo['video']['resolution_x'], $atomstructure['width']); + $ThisFileInfo['video']['resolution_y'] = max($ThisFileInfo['video']['resolution_y'], $atomstructure['height']); + } + if (!empty($ThisFileInfo['video']['resolution_x']) && !empty($ThisFileInfo['video']['resolution_y'])) { + $ThisFileInfo['quicktime']['video']['resolution_x'] = $ThisFileInfo['video']['resolution_x']; + $ThisFileInfo['quicktime']['video']['resolution_y'] = $ThisFileInfo['video']['resolution_y']; + } else { + unset($ThisFileInfo['video']['resolution_x']); + unset($ThisFileInfo['video']['resolution_y']); + unset($ThisFileInfo['quicktime']['video']); + } + break; + + + case 'meta': // METAdata atom + // http://www.geocities.com/xhelmboyx/quicktime/formats/qti-layout.txt + $NextTagPosition = strpos($atomdata, '©'); + while ($NextTagPosition < strlen($atomdata)) { + $metaItemSize = getid3_lib::BigEndian2Int(substr($atomdata, $NextTagPosition - 4, 4)) - 4; + if ($metaItemSize == -4) { + break; + } + $metaItemRaw = substr($atomdata, $NextTagPosition, $metaItemSize); + $metaItemKey = substr($metaItemRaw, 0, 4); + $metaItemData = substr($metaItemRaw, 20); + $NextTagPosition += $metaItemSize + 4; + + $this->CopyToAppropriateCommentsSection($metaItemKey, $metaItemData, $ThisFileInfo); + } + break; + + case 'ftyp': // FileTYPe (?) atom (for MP4 it seems) + $atomstructure['signature'] = substr($atomdata, 0, 4); + $atomstructure['unknown_1'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); + $atomstructure['fourcc'] = substr($atomdata, 8, 4); + break; + + case 'mdat': // Media DATa atom + case 'free': // FREE space atom + case 'skip': // SKIP atom + case 'wide': // 64-bit expansion placeholder atom + // 'mdat' data is too big to deal with, contains no useful metadata + // 'free', 'skip' and 'wide' are just padding, contains no useful data at all + + // When writing QuickTime files, it is sometimes necessary to update an atom's size. + // It is impossible to update a 32-bit atom to a 64-bit atom since the 32-bit atom + // is only 8 bytes in size, and the 64-bit atom requires 16 bytes. Therefore, QuickTime + // puts an 8-byte placeholder atom before any atoms it may have to update the size of. + // In this way, if the atom needs to be converted from a 32-bit to a 64-bit atom, the + // placeholder atom can be overwritten to obtain the necessary 8 extra bytes. + // The placeholder atom has a type of kWideAtomPlaceholderType ( 'wide' ). + break; + + + case 'nsav': // NoSAVe atom + // http://developer.apple.com/technotes/tn/tn2038.html + $atomstructure['data'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 4)); + break; + + case 'ctyp': // Controller TYPe atom (seen on QTVR) + // http://homepages.slingshot.co.nz/~helmboy/quicktime/formats/qtm-layout.txt + // some controller names are: + // 0x00 + 'std' for linear movie + // 'none' for no controls + $atomstructure['ctyp'] = substr($atomdata, 0, 4); + switch ($atomstructure['ctyp']) { + case 'qtvr': + $ThisFileInfo['video']['dataformat'] = 'quicktimevr'; + break; + } + break; + + case 'pano': // PANOrama track (seen on QTVR) + $atomstructure['pano'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 4)); + break; + + case 'hint': // HINT track + case 'hinf': // + case 'hinv': // + case 'hnti': // + $ThisFileInfo['quicktime']['hinting'] = true; + break; + + case 'imgt': // IMaGe Track reference (kQTVRImageTrackRefType) (seen on QTVR) + for ($i = 0; $i < ($atomstructure['size'] - 8); $i += 4) { + $atomstructure['imgt'][] = getid3_lib::BigEndian2Int(substr($atomdata, $i, 4)); + } + break; + + case 'FXTC': // Something to do with Adobe After Effects (?) + case 'PrmA': + case 'code': + case 'FIEL': // this is NOT "fiel" (Field Ordering) as describe here: http://developer.apple.com/documentation/QuickTime/QTFF/QTFFChap3/chapter_4_section_2.html + // Observed-but-not-handled atom types are just listed here + // to prevent warnings being generated + $atomstructure['data'] = $atomdata; + break; + + default: + $ThisFileInfo['warning'][] = 'Unknown QuickTime atom type: "'.$atomname.'" at offset '.$baseoffset; + $atomstructure['data'] = $atomdata; + break; + } + array_pop($atomHierarchy); + return $atomstructure; + } + + function QuicktimeParseContainerAtom($atomdata, &$ThisFileInfo, $baseoffset, &$atomHierarchy, $ParseAllPossibleAtoms) { + $atomstructure = false; + $subatomoffset = 0; + $subatomcounter = 0; + if ((strlen($atomdata) == 4) && (getid3_lib::BigEndian2Int($atomdata) == 0x00000000)) { + return false; + } + while ($subatomoffset < strlen($atomdata)) { + $subatomsize = getid3_lib::BigEndian2Int(substr($atomdata, $subatomoffset + 0, 4)); + $subatomname = substr($atomdata, $subatomoffset + 4, 4); + $subatomdata = substr($atomdata, $subatomoffset + 8, $subatomsize - 8); + if ($subatomsize == 0) { + // Furthermore, for historical reasons the list of atoms is optionally + // terminated by a 32-bit integer set to 0. If you are writing a program + // to read user data atoms, you should allow for the terminating 0. + return $atomstructure; + } + + $atomstructure[$subatomcounter] = $this->QuicktimeParseAtom($subatomname, $subatomsize, $subatomdata, $ThisFileInfo, $baseoffset + $subatomoffset, $atomHierarchy, $ParseAllPossibleAtoms); + + $subatomoffset += $subatomsize; + $subatomcounter++; + } + return $atomstructure; + } + + + function QuicktimeLanguageLookup($languageid) { + 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'; + $QuicktimeLanguageLookup[138] = 'JavaneseRom'; + } + return (isset($QuicktimeLanguageLookup[$languageid]) ? $QuicktimeLanguageLookup[$languageid] : 'invalid'); + } + + function QuicktimeVideoCodecLookup($codecid) { + static $QuicktimeVideoCodecLookup = array(); + if (empty($QuicktimeVideoCodecLookup)) { + $QuicktimeVideoCodecLookup['3IVX'] = '3ivx MPEG-4'; + $QuicktimeVideoCodecLookup['3IV1'] = '3ivx MPEG-4 v1'; + $QuicktimeVideoCodecLookup['3IV2'] = '3ivx MPEG-4 v2'; + $QuicktimeVideoCodecLookup['avr '] = 'AVR-JPEG'; + $QuicktimeVideoCodecLookup['base'] = 'Base'; + $QuicktimeVideoCodecLookup['WRLE'] = 'BMP'; + $QuicktimeVideoCodecLookup['cvid'] = 'Cinepak'; + $QuicktimeVideoCodecLookup['clou'] = 'Cloud'; + $QuicktimeVideoCodecLookup['cmyk'] = 'CMYK'; + $QuicktimeVideoCodecLookup['yuv2'] = 'ComponentVideo'; + $QuicktimeVideoCodecLookup['yuvu'] = 'ComponentVideoSigned'; + $QuicktimeVideoCodecLookup['yuvs'] = 'ComponentVideoUnsigned'; + $QuicktimeVideoCodecLookup['dvc '] = 'DVC-NTSC'; + $QuicktimeVideoCodecLookup['dvcp'] = 'DVC-PAL'; + $QuicktimeVideoCodecLookup['dvpn'] = 'DVCPro-NTSC'; + $QuicktimeVideoCodecLookup['dvpp'] = 'DVCPro-PAL'; + $QuicktimeVideoCodecLookup['fire'] = 'Fire'; + $QuicktimeVideoCodecLookup['flic'] = 'FLC'; + $QuicktimeVideoCodecLookup['b48r'] = '48RGB'; + $QuicktimeVideoCodecLookup['gif '] = 'GIF'; + $QuicktimeVideoCodecLookup['smc '] = 'Graphics'; + $QuicktimeVideoCodecLookup['h261'] = 'H261'; + $QuicktimeVideoCodecLookup['h263'] = 'H263'; + $QuicktimeVideoCodecLookup['IV41'] = 'Indeo4'; + $QuicktimeVideoCodecLookup['jpeg'] = 'JPEG'; + $QuicktimeVideoCodecLookup['PNTG'] = 'MacPaint'; + $QuicktimeVideoCodecLookup['msvc'] = 'Microsoft Video1'; + $QuicktimeVideoCodecLookup['mjpa'] = 'Motion JPEG-A'; + $QuicktimeVideoCodecLookup['mjpb'] = 'Motion JPEG-B'; + $QuicktimeVideoCodecLookup['myuv'] = 'MPEG YUV420'; + $QuicktimeVideoCodecLookup['dmb1'] = 'OpenDML JPEG'; + $QuicktimeVideoCodecLookup['kpcd'] = 'PhotoCD'; + $QuicktimeVideoCodecLookup['8BPS'] = 'Planar RGB'; + $QuicktimeVideoCodecLookup['png '] = 'PNG'; + $QuicktimeVideoCodecLookup['qdrw'] = 'QuickDraw'; + $QuicktimeVideoCodecLookup['qdgx'] = 'QuickDrawGX'; + $QuicktimeVideoCodecLookup['raw '] = 'RAW'; + $QuicktimeVideoCodecLookup['.SGI'] = 'SGI'; + $QuicktimeVideoCodecLookup['b16g'] = '16Gray'; + $QuicktimeVideoCodecLookup['b64a'] = '64ARGB'; + $QuicktimeVideoCodecLookup['SVQ1'] = 'Sorenson Video 1'; + $QuicktimeVideoCodecLookup['SVQ1'] = 'Sorenson Video 3'; + $QuicktimeVideoCodecLookup['syv9'] = 'Sorenson YUV9'; + $QuicktimeVideoCodecLookup['tga '] = 'Targa'; + $QuicktimeVideoCodecLookup['b32a'] = '32AlphaGray'; + $QuicktimeVideoCodecLookup['tiff'] = 'TIFF'; + $QuicktimeVideoCodecLookup['path'] = 'Vector'; + $QuicktimeVideoCodecLookup['rpza'] = 'Video'; + $QuicktimeVideoCodecLookup['ripl'] = 'WaterRipple'; + $QuicktimeVideoCodecLookup['WRAW'] = 'Windows RAW'; + $QuicktimeVideoCodecLookup['y420'] = 'YUV420'; + } + return (isset($QuicktimeVideoCodecLookup[$codecid]) ? $QuicktimeVideoCodecLookup[$codecid] : ''); + } + + 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] : ''); + } + + function QuicktimeDCOMLookup($compressionid) { + static $QuicktimeDCOMLookup = array(); + if (empty($QuicktimeDCOMLookup)) { + $QuicktimeDCOMLookup['zlib'] = 'ZLib Deflate'; + $QuicktimeDCOMLookup['adec'] = 'Apple Compression'; + } + return (isset($QuicktimeDCOMLookup[$compressionid]) ? $QuicktimeDCOMLookup[$compressionid] : ''); + } + + 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'); + } + + function CopyToAppropriateCommentsSection($keyname, $data, &$ThisFileInfo) { + static $handyatomtranslatorarray = array(); + if (empty($handyatomtranslatorarray)) { + $handyatomtranslatorarray['©cpy'] = 'copyright'; + $handyatomtranslatorarray['©day'] = 'creation_date'; + $handyatomtranslatorarray['©dir'] = 'director'; + $handyatomtranslatorarray['©ed1'] = 'edit1'; + $handyatomtranslatorarray['©ed2'] = 'edit2'; + $handyatomtranslatorarray['©ed3'] = 'edit3'; + $handyatomtranslatorarray['©ed4'] = 'edit4'; + $handyatomtranslatorarray['©ed5'] = 'edit5'; + $handyatomtranslatorarray['©ed6'] = 'edit6'; + $handyatomtranslatorarray['©ed7'] = 'edit7'; + $handyatomtranslatorarray['©ed8'] = 'edit8'; + $handyatomtranslatorarray['©ed9'] = 'edit9'; + $handyatomtranslatorarray['©fmt'] = 'format'; + $handyatomtranslatorarray['©inf'] = 'information'; + $handyatomtranslatorarray['©prd'] = 'producer'; + $handyatomtranslatorarray['©prf'] = 'performers'; + $handyatomtranslatorarray['©req'] = 'system_requirements'; + $handyatomtranslatorarray['©src'] = 'source_credit'; + $handyatomtranslatorarray['©wrt'] = 'writer'; + + // http://www.geocities.com/xhelmboyx/quicktime/formats/qtm-layout.txt + $handyatomtranslatorarray['©nam'] = 'title'; + $handyatomtranslatorarray['©cmt'] = 'comment'; + $handyatomtranslatorarray['©wrn'] = 'warning'; + $handyatomtranslatorarray['©hst'] = 'host_computer'; + $handyatomtranslatorarray['©mak'] = 'make'; + $handyatomtranslatorarray['©mod'] = 'model'; + $handyatomtranslatorarray['©PRD'] = 'product'; + $handyatomtranslatorarray['©swr'] = 'software'; + $handyatomtranslatorarray['©aut'] = 'author'; + $handyatomtranslatorarray['©ART'] = 'artist'; + $handyatomtranslatorarray['©trk'] = 'track'; + $handyatomtranslatorarray['©alb'] = 'album'; + $handyatomtranslatorarray['©com'] = 'comment'; + $handyatomtranslatorarray['©gen'] = 'genre'; + $handyatomtranslatorarray['©ope'] = 'composer'; + $handyatomtranslatorarray['©url'] = 'url'; + $handyatomtranslatorarray['©enc'] = 'encoder'; + } + if (isset($handyatomtranslatorarray[$keyname])) { + $ThisFileInfo['quicktime']['comments'][$handyatomtranslatorarray[$keyname]][] = $data; + } + + return true; + } + + function NoNullString($nullterminatedstring) { + // remove the single null terminator on null terminated strings + if (substr($nullterminatedstring, strlen($nullterminatedstring) - 1, 1) === "\x00") { + return substr($nullterminatedstring, 0, strlen($nullterminatedstring) - 1); + } + return $nullterminatedstring; + } + + function Pascal2String($pascalstring) { + // Pascal strings have 1 unsigned byte at the beginning saying how many chars (1-255) are in the string + return substr($pascalstring, 1); + } + +} + +?>
\ No newline at end of file |