// // available at http://getid3.sourceforge.net /// ///////////////////////////////////////////////////////////////// // // // getid3.quicktime.php - part of getID3() // // See getid3.readme.txt for more details // // // ///////////////////////////////////////////////////////////////// function getQuicktimeHeaderFilepointer(&$fd, &$ThisFileInfo) { $ThisFileInfo['fileformat'] = 'quicktime'; $ThisFileInfo['audio']['dataformat'] = 'quicktime'; $ThisFileInfo['video']['dataformat'] = 'quicktime'; fseek($fd, $ThisFileInfo['avdataoffset'], SEEK_SET); $offset = 0; $atomcounter = 0; while ($offset < $ThisFileInfo['avdataend']) { fseek($fd, $offset, SEEK_SET); $AtomHeader = fread($fd, 8); $atomsize = BigEndian2Int(substr($AtomHeader, 0, 4)); $atomname = substr($AtomHeader, 4, 4); $ThisFileInfo['quicktime']["$atomname"]['name'] = $atomname; $ThisFileInfo['quicktime']["$atomname"]['size'] = $atomsize; $ThisFileInfo['quicktime']["$atomname"]['offset'] = $offset; if (($offset + $atomsize) > $ThisFileInfo['avdataend']) { $ThisFileInfo['error'] .= "\n".'Atom at offset '.$offset.' claims to go beyond end-of-file (length: '.$atomsize.' bytes)'; return false; } switch ($atomname) { case 'mdat': // Media DATa atom // 'mdat' contains the actual data for the audio/video if (!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']; require_once(GETID3_INCLUDEPATH.'getid3.mp3.php'); if (MPEGaudioHeaderValid(MPEGaudioHeaderDecode(fread($fd, 4)))) { getOnlyMPEGaudioInfo($fd, $ThisFileInfo, $ThisFileInfo['avdataoffset'], false); if (isset($ThisFileInfo['mpeg']['audio'])) { $ThisFileInfo['audio']['dataformat'] = 'mp3'; $ThisFileInfo['audio']['sample_rate'] = $ThisFileInfo['mpeg']['audio']['sample_rate']; $ThisFileInfo['audio']['channels'] = $ThisFileInfo['mpeg']['audio']['channels']; $ThisFileInfo['audio']['bitrate'] = $ThisFileInfo['mpeg']['audio']['bitrate'] * 1000; $ThisFileInfo['audio']['bitrate_mode'] = strtolower($ThisFileInfo['mpeg']['audio']['bitratemode']); $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"] = QuicktimeParseAtom($atomname, $atomsize, fread($fd, $atomsize), $ThisFileInfo, $offset, $atomHierarchy); 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']); } // Quicktime tags have highest priority if (isset($ThisFileInfo['quicktime']['comments'])) { CopyFormatCommentsToRootComments($ThisFileInfo['quicktime']['comments'], $ThisFileInfo, true, true, true); // add tag to array of tags $ThisFileInfo['tags'][] = 'quicktime'; } if (!isset($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'] = $ThisFileInfo['bitrate']; } return true; } function QuicktimeParseAtom($atomname, $atomsize, $atomdata, &$ThisFileInfo, $baseoffset, &$atomHierarchy) { // 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 'stbl': // Sample TaBLe container atom case 'cmov': // Compressed MOVie container atom case 'rmra': // Reference Movie Record Atom case 'rmda': // Reference Movie Descriptor Atom $atomstructure['subatoms'] = QuicktimeParseContainerAtom($atomdata, $ThisFileInfo, $baseoffset + 8, $atomHierarchy); break; case '妾py': case '妻ay': case '妻ir': case '委d1': case '委d2': case '委d3': case '委d4': case '委d5': case '委d6': case '委d7': case '委d8': case '委d9': case '妹mt': case '姆nf': case '妳rd': case '妳rf': case '姅eq': case '孟rc': case '定rt': case '姊am': case '妾mt': case '定rn': case '姑st': case '姓ak': case '姓od': case '周RD': case '孟wr': case '奄ut': case '呸RT': case '孤rk': case '奄lb': case '妾om': case '妮en': case '妯pe': case '季rl': case '委nc': $atomstructure['data_length'] = BigEndian2Int(substr($atomdata, 0, 2)); $atomstructure['language_id'] = BigEndian2Int(substr($atomdata, 2, 2)); $atomstructure['data'] = substr($atomdata, 4); $atomstructure['language'] = QuicktimeLanguageLookup($atomstructure['language_id']); $handyatomtranslatorarray['妾py'] = 'copyright'; $handyatomtranslatorarray['妻ay'] = 'creation_date'; $handyatomtranslatorarray['妻ir'] = 'director'; $handyatomtranslatorarray['委d1'] = 'edit1'; $handyatomtranslatorarray['委d2'] = 'edit2'; $handyatomtranslatorarray['委d3'] = 'edit3'; $handyatomtranslatorarray['委d4'] = 'edit4'; $handyatomtranslatorarray['委d5'] = 'edit5'; $handyatomtranslatorarray['委d6'] = 'edit6'; $handyatomtranslatorarray['委d7'] = 'edit7'; $handyatomtranslatorarray['委d8'] = 'edit8'; $handyatomtranslatorarray['委d9'] = 'edit9'; $handyatomtranslatorarray['妹mt'] = 'format'; $handyatomtranslatorarray['姆nf'] = 'information'; $handyatomtranslatorarray['妳rd'] = 'producer'; $handyatomtranslatorarray['妳rf'] = 'performers'; $handyatomtranslatorarray['姅eq'] = 'system_requirements'; $handyatomtranslatorarray['孟rc'] = 'source_credit'; $handyatomtranslatorarray['定rt'] = 'writer'; // http://www.geocities.com/xhelmboyx/quicktime/formats/qtm-layout.txt $handyatomtranslatorarray['姊am'] = 'title'; $handyatomtranslatorarray['妾mt'] = 'comment'; $handyatomtranslatorarray['定rn'] = 'warning'; $handyatomtranslatorarray['姑st'] = 'host_computer'; $handyatomtranslatorarray['姓ak'] = 'make'; $handyatomtranslatorarray['姓od'] = 'model'; $handyatomtranslatorarray['周RD'] = 'product'; $handyatomtranslatorarray['孟wr'] = 'software'; $handyatomtranslatorarray['奄ut'] = 'author'; $handyatomtranslatorarray['呸RT'] = 'artist'; $handyatomtranslatorarray['孤rk'] = 'track'; $handyatomtranslatorarray['奄lb'] = 'album'; $handyatomtranslatorarray['妾om'] = 'comment'; $handyatomtranslatorarray['妮en'] = 'genre'; $handyatomtranslatorarray['妯pe'] = 'composer'; $handyatomtranslatorarray['季rl'] = 'url'; $handyatomtranslatorarray['委nc'] = 'encoder'; if (isset($handyatomtranslatorarray["$atomname"])) { $ThisFileInfo['quicktime']['comments'][$handyatomtranslatorarray["$atomname"]][] = $atomstructure['data']; } break; case 'play': // auto-PLAY atom $atomstructure['autoplay'] = (bool) BigEndian2Int(substr($atomdata, 0, 1)); $ThisFileInfo['quicktime']['autoplay'] = $atomstructure['autoplay']; break; case 'WLOC': // Window LOCation atom $atomstructure['location_x'] = BigEndian2Int(substr($atomdata, 0, 2)); $atomstructure['location_y'] = BigEndian2Int(substr($atomdata, 2, 2)); break; case 'LOOP': // LOOPing atom case 'SelO': // play SELection Only atom case 'AllF': // play ALL Frames atom $atomstructure['data'] = BigEndian2Int($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 $ThisFileInfo['warning'] .= "\n".'Compressed Quicktime MOOV Data atoms ("cmvd") not supported'; break; case 'dcom': // Data COMpression atom $atomstructure['compression_id'] = $atomdata; $atomstructure['compression_text'] = QuicktimeDCOMLookup($atomdata); break; case 'rdrf': // Reference movie Data ReFerence atom $atomstructure['version'] = BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = BigEndian2Int(substr($atomdata, 1, 3)); $atomstructure['flags']['internal_data'] = (bool) ($atomstructure['flags_raw'] & 0x000001); $atomstructure['reference_type_name'] = substr($atomdata, 4, 4); $atomstructure['reference_length'] = BigEndian2Int(substr($atomdata, 8, 4)); switch ($atomstructure['reference_type_name']) { case 'url ': $atomstructure['url'] = NoNullString(substr($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 $atomstructure['movie_quality'] = BigEndian2Int($atomdata); break; case 'rmcs': // Reference Movie Cpu Speed atom $atomstructure['version'] = BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x000 $atomstructure['cpu_speed_rating'] = BigEndian2Int(substr($atomdata, 4, 2)); break; case 'rmvc': // Reference Movie Version Check atom $atomstructure['version'] = BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x000 $atomstructure['gestalt_selector'] = substr($atomdata, 4, 4); $atomstructure['gestalt_value_mask'] = BigEndian2Int(substr($atomdata, 8, 4)); $atomstructure['gestalt_value'] = BigEndian2Int(substr($atomdata, 12, 4)); $atomstructure['gestalt_check_type'] = BigEndian2Int(substr($atomdata, 14, 2)); break; case 'rmcd': // Reference Movie Component check atom $atomstructure['version'] = BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x000 $atomstructure['component_type'] = substr($atomdata, 4, 4); $atomstructure['component_subtype'] = substr($atomdata, 8, 4); $atomstructure['component_manufacturer'] = substr($atomdata, 12, 4); $atomstructure['component_flags_raw'] = BigEndian2Int(substr($atomdata, 16, 4)); $atomstructure['component_flags_mask'] = BigEndian2Int(substr($atomdata, 20, 4)); $atomstructure['component_min_version'] = BigEndian2Int(substr($atomdata, 24, 4)); break; case 'rmdr': // Reference Movie Data Rate atom $atomstructure['version'] = BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x000 $atomstructure['data_rate'] = BigEndian2Int(substr($atomdata, 4, 4)); $atomstructure['data_rate_bps'] = $atomstructure['data_rate'] * 10; break; case 'rmla': // Reference Movie Language Atom $atomstructure['version'] = BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x000 $atomstructure['language_id'] = BigEndian2Int(substr($atomdata, 4, 2)); $atomstructure['language'] = QuicktimeLanguageLookup($atomstructure['language_id']); break; case 'rmla': // Reference Movie Language Atom $atomstructure['version'] = BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x000 $atomstructure['track_id'] = BigEndian2Int(substr($atomdata, 4, 2)); break; case 'stsd': // Sample Table Sample Description atom $atomstructure['version'] = BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x000 $atomstructure['number_entries'] = BigEndian2Int(substr($atomdata, 4, 4)); $stsdEntriesDataOffset = 8; for ($i = 0; $i < $atomstructure['number_entries']; $i++) { $atomstructure['sample_description_table'][$i]['size'] = 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'] = BigEndian2Int(substr($atomdata, $stsdEntriesDataOffset, 6)); $stsdEntriesDataOffset += 6; $atomstructure['sample_description_table'][$i]['reference_index'] = 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'] = BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 0, 2)); $atomstructure['sample_description_table'][$i]['encoder_revision'] = 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); if ($atomstructure['sample_description_table'][$i]['encoder_vendor'] == chr(0).chr(0).chr(0).chr(0)) { // audio atom $atomstructure['sample_description_table'][$i]['audio_channels'] = BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 8, 2)); $atomstructure['sample_description_table'][$i]['audio_bit_depth'] = BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 10, 2)); $atomstructure['sample_description_table'][$i]['audio_compression_id'] = BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 12, 2)); $atomstructure['sample_description_table'][$i]['audio_packet_size'] = BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 14, 2)); $atomstructure['sample_description_table'][$i]['audio_sample_rate'] = FixedPoint16_16(substr($atomstructure['sample_description_table'][$i]['data'], 16, 4)); $ThisFileInfo['quicktime']['audio']['codec'] = QuicktimeAudioCodecLookup($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']; } else { // video atom $atomstructure['sample_description_table'][$i]['video_temporal_quality'] = BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 8, 4)); $atomstructure['sample_description_table'][$i]['video_spatial_quality'] = BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 12, 4)); $atomstructure['sample_description_table'][$i]['video_frame_width'] = BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 16, 2)); $atomstructure['sample_description_table'][$i]['video_frame_height'] = BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 18, 2)); $atomstructure['sample_description_table'][$i]['video_resolution_x'] = FixedPoint16_16(substr($atomstructure['sample_description_table'][$i]['data'], 20, 4)); $atomstructure['sample_description_table'][$i]['video_resolution_y'] = FixedPoint16_16(substr($atomstructure['sample_description_table'][$i]['data'], 24, 4)); $atomstructure['sample_description_table'][$i]['video_data_size'] = BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 28, 4)); $atomstructure['sample_description_table'][$i]['video_frame_count'] = BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 32, 2)); $atomstructure['sample_description_table'][$i]['video_encoder_name_len'] = 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'] = BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 66, 2)); $atomstructure['sample_description_table'][$i]['video_color_table_id'] = 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'] = QuicktimeColorNameLookup($atomstructure['sample_description_table'][$i]['video_pixel_color_depth']); if ($atomstructure['sample_description_table'][$i]['video_pixel_color_name'] != 'invalid') { //$ThisFileInfo['quicktime']['video']['codec'] = QuicktimeVideoCodecLookup($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'] = $ThisFileInfo['quicktime']['video']['codec']; } } switch ($atomstructure['sample_description_table'][$i]['data_format']) { case 'mp4a': $ThisFileInfo['fileformat'] = 'mp4'; $ThisFileInfo['mime_type'] = 'audio/mp4'; unset($ThisFileInfo['video']['dataformat']); break; default: // do nothing break; } unset($atomstructure['sample_description_table'][$i]['data']); } break; case 'stts': // Sample Table Time-to-Sample atom $atomstructure['version'] = BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x000 $atomstructure['number_entries'] = BigEndian2Int(substr($atomdata, 4, 4)); $sttsEntriesDataOffset = 8; for ($i = 0; $i < $atomstructure['number_entries']; $i++) { $atomstructure['time_to_sample_table'][$i]['sample_count'] = BigEndian2Int(substr($atomdata, $sttsEntriesDataOffset, 4)); $sttsEntriesDataOffset += 4; $atomstructure['time_to_sample_table'][$i]['sample_duration'] = BigEndian2Int(substr($atomdata, $sttsEntriesDataOffset, 4)); $sttsEntriesDataOffset += 4; } break; case 'stss': // Sample Table Sync Sample (key frames) atom $atomstructure['version'] = BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x000 $atomstructure['number_entries'] = BigEndian2Int(substr($atomdata, 4, 4)); $stssEntriesDataOffset = 8; for ($i = 0; $i < $atomstructure['number_entries']; $i++) { $atomstructure['time_to_sample_table'][$i] = BigEndian2Int(substr($atomdata, $stssEntriesDataOffset, 4)); $stssEntriesDataOffset += 4; } break; case 'stsc': // Sample Table Sample-to-Chunk atom $atomstructure['version'] = BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x000 $atomstructure['number_entries'] = BigEndian2Int(substr($atomdata, 4, 4)); $stscEntriesDataOffset = 8; for ($i = 0; $i < $atomstructure['number_entries']; $i++) { $atomstructure['sample_to_chunk_table'][$i]['first_chunk'] = BigEndian2Int(substr($atomdata, $stscEntriesDataOffset, 4)); $stscEntriesDataOffset += 4; $atomstructure['sample_to_chunk_table'][$i]['samples_per_chunk'] = BigEndian2Int(substr($atomdata, $stscEntriesDataOffset, 4)); $stscEntriesDataOffset += 4; $atomstructure['sample_to_chunk_table'][$i]['sample_description'] = BigEndian2Int(substr($atomdata, $stscEntriesDataOffset, 4)); $stscEntriesDataOffset += 4; } break; case 'stsz': // Sample Table SiZe atom $atomstructure['version'] = BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x000 $atomstructure['sample_size'] = BigEndian2Int(substr($atomdata, 4, 4)); $atomstructure['number_entries'] = BigEndian2Int(substr($atomdata, 8, 4)); $stszEntriesDataOffset = 12; if ($atomstructure['sample_size'] == 0) { for ($i = 0; $i < $atomstructure['number_entries']; $i++) { $atomstructure['sample_size_table'][$i] = BigEndian2Int(substr($atomdata, $stszEntriesDataOffset, 4)); $stszEntriesDataOffset += 4; } } break; case 'stco': // Sample Table Chunk Offset atom $atomstructure['version'] = BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x000 $atomstructure['number_entries'] = BigEndian2Int(substr($atomdata, 4, 4)); $stcoEntriesDataOffset = 8; for ($i = 0; $i < $atomstructure['number_entries']; $i++) { $atomstructure['chunk_offset_table'][$i] = BigEndian2Int(substr($atomdata, $stcoEntriesDataOffset, 4)); $stcoEntriesDataOffset += 4; } break; case 'dref': // Data REFerence atom $atomstructure['version'] = BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x000 $atomstructure['number_entries'] = BigEndian2Int(substr($atomdata, 4, 4)); $drefDataOffset = 8; for ($i = 0; $i < $atomstructure['number_entries']; $i++) { $atomstructure['data_references'][$i]['size'] = BigEndian2Int(substr($atomdata, $drefDataOffset, 4)); $drefDataOffset += 4; $atomstructure['data_references'][$i]['type'] = substr($atomdata, $drefDataOffset, 4); $drefDataOffset += 4; $atomstructure['data_references'][$i]['version'] = BigEndian2Int(substr($atomdata, $drefDataOffset, 1)); $drefDataOffset += 1; $atomstructure['data_references'][$i]['flags_raw'] = BigEndian2Int(substr($atomdata, $drefDataOffset, 3)); // hardcoded: 0x000 $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 $atomstructure['version'] = BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x000 $atomstructure['graphics_mode'] = BigEndian2Int(substr($atomdata, 4, 2)); $atomstructure['opcolor_red'] = BigEndian2Int(substr($atomdata, 6, 2)); $atomstructure['opcolor_green'] = BigEndian2Int(substr($atomdata, 8, 2)); $atomstructure['opcolor_blue'] = BigEndian2Int(substr($atomdata, 10, 2)); $atomstructure['balance'] = BigEndian2Int(substr($atomdata, 12, 2)); $atomstructure['reserved'] = BigEndian2Int(substr($atomdata, 14, 2)); break; case 'smhd': // Sound Media information HeaDer atom $atomstructure['version'] = BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x000 $atomstructure['balance'] = BigEndian2Int(substr($atomdata, 4, 2)); $atomstructure['reserved'] = BigEndian2Int(substr($atomdata, 6, 2)); break; case 'vmhd': // Video Media information HeaDer atom $atomstructure['version'] = BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = BigEndian2Int(substr($atomdata, 1, 3)); $atomstructure['graphics_mode'] = BigEndian2Int(substr($atomdata, 4, 2)); $atomstructure['opcolor_red'] = BigEndian2Int(substr($atomdata, 6, 2)); $atomstructure['opcolor_green'] = BigEndian2Int(substr($atomdata, 8, 2)); $atomstructure['opcolor_blue'] = BigEndian2Int(substr($atomdata, 10, 2)); $atomstructure['flags']['no_lean_ahead'] = (bool) ($atomstructure['flags_raw'] & 0x001); break; case 'hdlr': // HanDLeR reference atom $atomstructure['version'] = BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x000 $atomstructure['component_type'] = substr($atomdata, 4, 4); $atomstructure['component_subtype'] = substr($atomdata, 8, 4); $atomstructure['component_manufacturer'] = substr($atomdata, 12, 4); $atomstructure['component_flags_raw'] = BigEndian2Int(substr($atomdata, 16, 4)); $atomstructure['component_flags_mask'] = BigEndian2Int(substr($atomdata, 20, 4)); $atomstructure['component_name'] = Pascal2String(substr($atomdata, 24)); break; case 'mdhd': // MeDia HeaDer atom $atomstructure['version'] = BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x000 $atomstructure['creation_time'] = BigEndian2Int(substr($atomdata, 4, 4)); $atomstructure['modify_time'] = BigEndian2Int(substr($atomdata, 8, 4)); $atomstructure['time_scale'] = BigEndian2Int(substr($atomdata, 12, 4)); $atomstructure['duration'] = BigEndian2Int(substr($atomdata, 16, 4)); $atomstructure['language_id'] = BigEndian2Int(substr($atomdata, 20, 2)); $atomstructure['quality'] = BigEndian2Int(substr($atomdata, 22, 2)); if ($atomstructure['time_scale'] == 0) { $ThisFileInfo['error'] .= "\n".'Corrupt Quicktime file: mdhd.time_scale == zero'; return false; } $atomstructure['creation_time_unix'] = DateMac2Unix($atomstructure['creation_time']); $atomstructure['modify_time_unix'] = DateMac2Unix($atomstructure['modify_time']); $atomstructure['playtime_seconds'] = $atomstructure['duration'] / $atomstructure['time_scale']; $atomstructure['language'] = QuicktimeLanguageLookup($atomstructure['language_id']); break; case 'pnot': // Preview atom $atomstructure['modification_date'] = BigEndian2Int(substr($atomdata, 0, 4)); // "standard Macintosh format" $atomstructure['version_number'] = BigEndian2Int(substr($atomdata, 4, 2)); // hardcoded: 0x00 $atomstructure['atom_type'] = substr($atomdata, 6, 4); // usually: 'PICT' $atomstructure['atom_index'] = BigEndian2Int(substr($atomdata, 10, 2)); // usually: 0x01 $atomstructure['modification_date_unix'] = DateMac2Unix($atomstructure['modification_date']); break; case 'crgn': // Clipping ReGioN atom $atomstructure['region_size'] = BigEndian2Int(substr($atomdata, 0, 2)); // The Region size, Region boundary box, $atomstructure['boundary_box'] = BigEndian2Int(substr($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 $atomstructure['preload_start_time'] = BigEndian2Int(substr($atomdata, 0, 4)); $atomstructure['preload_duration'] = BigEndian2Int(substr($atomdata, 4, 4)); $atomstructure['preload_flags_raw'] = BigEndian2Int(substr($atomdata, 8, 4)); $atomstructure['default_hints_raw'] = BigEndian2Int(substr($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] = BigEndian2Int(substr($atomdata, $i * 4, 4)); } break; case 'elst': // Edit LiST atom $atomstructure['version'] = BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x000 $atomstructure['number_entries'] = BigEndian2Int(substr($atomdata, 4, 4)); for ($i = 0; $i < $atomstructure['number_entries']; $i++ ) { $atomstructure['edit_list'][$i]['track_duration'] = BigEndian2Int(substr($atomdata, 8 + ($i * 12) + 0, 4)); $atomstructure['edit_list'][$i]['media_time'] = BigEndian2Int(substr($atomdata, 8 + ($i * 12) + 4, 4)); $atomstructure['edit_list'][$i]['media_rate'] = BigEndian2Int(substr($atomdata, 8 + ($i * 12) + 8, 4)); } break; case 'kmat': // compressed MATte atom $atomstructure['version'] = BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x000 $atomstructure['matte_data_raw'] = substr($atomdata, 4); break; case 'ctab': // Color TABle atom $atomstructure['color_table_seed'] = BigEndian2Int(substr($atomdata, 0, 4)); // hardcoded: 0x00000000 $atomstructure['color_table_flags'] = BigEndian2Int(substr($atomdata, 4, 2)); // hardcoded: 0x8000 $atomstructure['color_table_size'] = BigEndian2Int(substr($atomdata, 6, 2)) + 1; for ($colortableentry = 0; $colortableentry < $atomstructure['color_table_size']; $colortableentry++) { $atomstructure['color_table'][$colortableentry]['alpha'] = BigEndian2Int(substr($atomdata, 8 + ($colortableentry * 8) + 0, 2)); $atomstructure['color_table'][$colortableentry]['red'] = BigEndian2Int(substr($atomdata, 8 + ($colortableentry * 8) + 2, 2)); $atomstructure['color_table'][$colortableentry]['green'] = BigEndian2Int(substr($atomdata, 8 + ($colortableentry * 8) + 4, 2)); $atomstructure['color_table'][$colortableentry]['blue'] = BigEndian2Int(substr($atomdata, 8 + ($colortableentry * 8) + 6, 2)); } break; case 'mvhd': // MoVie HeaDer atom $atomstructure['version'] = BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = BigEndian2Int(substr($atomdata, 1, 3)); $atomstructure['creation_time'] = BigEndian2Int(substr($atomdata, 4, 4)); $atomstructure['modify_time'] = BigEndian2Int(substr($atomdata, 8, 4)); $atomstructure['time_scale'] = BigEndian2Int(substr($atomdata, 12, 4)); $atomstructure['duration'] = BigEndian2Int(substr($atomdata, 16, 4)); $atomstructure['preferred_rate'] = FixedPoint16_16(substr($atomdata, 20, 4)); $atomstructure['preferred_volume'] = FixedPoint8_8(substr($atomdata, 24, 2)); $atomstructure['reserved'] = substr($atomdata, 26, 10); $atomstructure['matrix_a'] = FixedPoint16_16(substr($atomdata, 36, 4)); $atomstructure['matrix_b'] = FixedPoint16_16(substr($atomdata, 40, 4)); $atomstructure['matrix_u'] = FixedPoint16_16(substr($atomdata, 44, 4)); $atomstructure['matrix_c'] = FixedPoint16_16(substr($atomdata, 48, 4)); $atomstructure['matrix_v'] = FixedPoint16_16(substr($atomdata, 52, 4)); $atomstructure['matrix_d'] = FixedPoint16_16(substr($atomdata, 56, 4)); $atomstructure['matrix_x'] = FixedPoint2_30(substr($atomdata, 60, 4)); $atomstructure['matrix_y'] = FixedPoint2_30(substr($atomdata, 64, 4)); $atomstructure['matrix_w'] = FixedPoint2_30(substr($atomdata, 68, 4)); $atomstructure['preview_time'] = BigEndian2Int(substr($atomdata, 72, 4)); $atomstructure['preview_duration'] = BigEndian2Int(substr($atomdata, 76, 4)); $atomstructure['poster_time'] = BigEndian2Int(substr($atomdata, 80, 4)); $atomstructure['selection_time'] = BigEndian2Int(substr($atomdata, 84, 4)); $atomstructure['selection_duration'] = BigEndian2Int(substr($atomdata, 88, 4)); $atomstructure['current_time'] = BigEndian2Int(substr($atomdata, 92, 4)); $atomstructure['next_track_id'] = BigEndian2Int(substr($atomdata, 96, 4)); if ($atomstructure['time_scale'] == 0) { $ThisFileInfo['error'] .= "\n".'Corrupt Quicktime file: mvhd.time_scale == zero'; return false; } $atomstructure['creation_time_unix'] = DateMac2Unix($atomstructure['creation_time']); $atomstructure['modify_time_unix'] = DateMac2Unix($atomstructure['modify_time']); $ThisFileInfo['quicktime']['time_scale'] = $atomstructure['time_scale']; $ThisFileInfo['playtime_seconds'] = $atomstructure['duration'] / $atomstructure['time_scale']; break; case 'tkhd': // TracK HeaDer atom $atomstructure['version'] = BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = BigEndian2Int(substr($atomdata, 1, 3)); $atomstructure['creation_time'] = BigEndian2Int(substr($atomdata, 4, 4)); $atomstructure['modify_time'] = BigEndian2Int(substr($atomdata, 8, 4)); $atomstructure['trackid'] = BigEndian2Int(substr($atomdata, 12, 4)); $atomstructure['reserved1'] = BigEndian2Int(substr($atomdata, 16, 4)); $atomstructure['duration'] = BigEndian2Int(substr($atomdata, 20, 4)); $atomstructure['reserved2'] = BigEndian2Int(substr($atomdata, 24, 8)); $atomstructure['layer'] = BigEndian2Int(substr($atomdata, 32, 2)); $atomstructure['alternate_group'] = BigEndian2Int(substr($atomdata, 34, 2)); $atomstructure['volume'] = FixedPoint8_8(substr($atomdata, 36, 2)); $atomstructure['reserved3'] = BigEndian2Int(substr($atomdata, 38, 2)); $atomstructure['matrix_a'] = FixedPoint16_16(substr($atomdata, 40, 4)); $atomstructure['matrix_b'] = FixedPoint16_16(substr($atomdata, 44, 4)); $atomstructure['matrix_u'] = FixedPoint16_16(substr($atomdata, 48, 4)); $atomstructure['matrix_c'] = FixedPoint16_16(substr($atomdata, 52, 4)); $atomstructure['matrix_v'] = FixedPoint16_16(substr($atomdata, 56, 4)); $atomstructure['matrix_d'] = FixedPoint16_16(substr($atomdata, 60, 4)); $atomstructure['matrix_x'] = FixedPoint2_30(substr($atomdata, 64, 4)); $atomstructure['matrix_y'] = FixedPoint2_30(substr($atomdata, 68, 4)); $atomstructure['matrix_w'] = FixedPoint2_30(substr($atomdata, 72, 4)); $atomstructure['width'] = FixedPoint16_16(substr($atomdata, 76, 4)); $atomstructure['height'] = FixedPoint16_16(substr($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); $atomstructure['creation_time_unix'] = DateMac2Unix($atomstructure['creation_time']); $atomstructure['modify_time_unix'] = DateMac2Unix($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']; } $ThisFileInfo['video']['resolution_x'] = max($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 '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; default: $ThisFileInfo['warning'] .= "\n".'Unknown QuickTime atom type: "'.$atomname.'" at offset '.$baseoffset; $atomstructure['data'] = $atomdata; break; } array_pop($atomHierarchy); return $atomstructure; } function QuicktimeParseContainerAtom($atomdata, &$ThisFileInfo, $baseoffset, &$atomHierarchy) { $atomstructure = false; $subatomoffset = 0; $subatomcounter = 0; if ((strlen($atomdata) == 4) && (BigEndian2Int($atomdata) == 0x00000000)) { return false; } while ($subatomoffset < strlen($atomdata)) { $subatomsize = BigEndian2Int(substr($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] = QuicktimeParseAtom($subatomname, $subatomsize, $subatomdata, $ThisFileInfo, $baseoffset + $subatomoffset, $atomHierarchy); $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['rle '] = 'RLE-Animation'; $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['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'.chr(0x00).chr(0x02)] = 'Microsoft ADPCM'; $QuicktimeAudioCodecLookup['MS'.chr(0x00).chr(0x11)] = 'DV IMA'; $QuicktimeAudioCodecLookup['MS'.chr(0x00).chr(0x55)] = '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'); } ?>