function MPEGaudioHeaderBytesValid($head4, $allowBitrate15 = false) { return getid3_mp3::MPEGaudioHeaderValid(getid3_mp3::MPEGaudioHeaderDecode($head4), false, $allowBitrate15); }
public function QuicktimeParseAtom($atomname, $atomsize, $atom_data, $baseoffset, &$atomHierarchy, $ParseAllPossibleAtoms) { // http://developer.apple.com/techpubs/quicktime/qtdevdocs/APIREF/INDEX/atomalphaindex.htm $info =& $this->getid3->info; $atom_parent = end($atomHierarchy); // not array_pop($atomHierarchy); see http://www.getid3.org/phpBB3/viewtopic.php?t=1717 array_push($atomHierarchy, $atomname); $atom_structure['hierarchy'] = implode(' ', $atomHierarchy); $atom_structure['name'] = $atomname; $atom_structure['size'] = $atomsize; $atom_structure['offset'] = $baseoffset; switch ($atomname) { case 'moov': // MOVie container atom // MOVie container atom case 'trak': // TRAcK container atom // TRAcK container atom case 'clip': // CLIPping container atom // CLIPping container atom case 'matt': // track MATTe container atom // track MATTe container atom case 'edts': // EDiTS container atom // EDiTS container atom case 'tref': // Track REFerence container atom // Track REFerence container atom case 'mdia': // MeDIA container atom // MeDIA container atom case 'minf': // Media INFormation container atom // Media INFormation container atom case 'dinf': // Data INFormation container atom // Data INFormation container atom case 'udta': // User DaTA container atom // User DaTA container atom case 'cmov': // Compressed MOVie container atom // Compressed MOVie container atom case 'rmra': // Reference Movie Record Atom // Reference Movie Record Atom case 'rmda': // Reference Movie Descriptor Atom // Reference Movie Descriptor Atom case 'gmhd': // Generic Media info HeaDer atom (seen on QTVR) $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); break; case 'ilst': // Item LiST container atom if ($atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms)) { // some "ilst" atoms contain data atoms that have a numeric name, and the data is far more accessible if the returned array is compacted $allnumericnames = true; foreach ($atom_structure['subatoms'] as $subatomarray) { if (!is_integer($subatomarray['name']) || count($subatomarray['subatoms']) != 1) { $allnumericnames = false; break; } } if ($allnumericnames) { $newData = array(); foreach ($atom_structure['subatoms'] as $subatomarray) { foreach ($subatomarray['subatoms'] as $newData_subatomarray) { unset($newData_subatomarray['hierarchy'], $newData_subatomarray['name']); $newData[$subatomarray['name']] = $newData_subatomarray; break; } } $atom_structure['data'] = $newData; unset($atom_structure['subatoms']); } } break; case "": case "": case "": case "": case "": $atomname = getid3_lib::BigEndian2Int($atomname); $atom_structure['name'] = $atomname; $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); break; case 'stbl': // Sample TaBLe container atom $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); $isVideo = false; $framerate = 0; $framecount = 0; foreach ($atom_structure['subatoms'] as $key => $value_array) { if (isset($value_array['sample_description_table'])) { foreach ($value_array['sample_description_table'] as $key2 => $value_array2) { if (isset($value_array2['data_format'])) { switch ($value_array2['data_format']) { case 'avc1': case 'mp4v': // video data $isVideo = true; break; case 'mp4a': // audio data break; } } } } elseif (isset($value_array['time_to_sample_table'])) { foreach ($value_array['time_to_sample_table'] as $key2 => $value_array2) { if (isset($value_array2['sample_count']) && isset($value_array2['sample_duration']) && $value_array2['sample_duration'] > 0) { $framerate = round($info['quicktime']['time_scale'] / $value_array2['sample_duration'], 3); $framecount = $value_array2['sample_count']; } } } } if ($isVideo && $framerate) { $info['quicktime']['video']['frame_rate'] = $framerate; $info['video']['frame_rate'] = $info['quicktime']['video']['frame_rate']; } if ($isVideo && $framecount) { $info['quicktime']['video']['frame_count'] = $framecount; } break; case 'aART': // Album ARTist // Album ARTist case 'catg': // CaTeGory // CaTeGory case 'covr': // COVeR artwork // COVeR artwork case 'cpil': // ComPILation // ComPILation case 'cprt': // CoPyRighT // CoPyRighT case 'desc': // DESCription // DESCription case 'disk': // DISK number // DISK number case 'egid': // Episode Global ID // Episode Global ID case 'gnre': // GeNRE // GeNRE case 'keyw': // KEYWord // KEYWord case 'ldes': case 'pcst': // PodCaST // PodCaST case 'pgap': // GAPless Playback // GAPless Playback case 'purd': // PURchase Date // PURchase Date case 'purl': // Podcast URL // Podcast URL case 'rati': case 'rndu': case 'rpdu': case 'rtng': // RaTiNG // RaTiNG case 'stik': case 'tmpo': // TeMPO (BPM) // TeMPO (BPM) case 'trkn': // TRacK Number // TRacK Number case 'tves': // TV EpiSode // TV EpiSode case 'tvnn': // TV Network Name // TV Network Name case 'tvsh': // TV SHow Name // TV SHow Name case 'tvsn': // TV SeasoN // TV SeasoN case 'akID': // iTunes store account type // iTunes store account type case 'apID': case 'atID': case 'cmID': case 'cnID': case 'geID': case 'plID': case 'sfID': // iTunes store country // iTunes store country case "©" . 'alb': // ALBum // ALBum case "©" . 'art': // ARTist // ARTist case "©" . 'ART': case "©" . 'aut': case "©" . 'cmt': // CoMmenT // CoMmenT case "©" . 'com': // COMposer // COMposer case "©" . 'cpy': case "©" . 'day': // content created year // content created year case "©" . 'dir': case "©" . 'ed1': case "©" . 'ed2': case "©" . 'ed3': case "©" . 'ed4': case "©" . 'ed5': case "©" . 'ed6': case "©" . 'ed7': case "©" . 'ed8': case "©" . 'ed9': case "©" . 'enc': case "©" . 'fmt': case "©" . 'gen': // GENre // GENre case "©" . 'grp': // GRouPing // GRouPing case "©" . 'hst': case "©" . 'inf': case "©" . 'lyr': // LYRics // LYRics case "©" . 'mak': case "©" . 'mod': case "©" . 'nam': // full NAMe // full NAMe case "©" . 'ope': case "©" . 'PRD': case "©" . 'prd': case "©" . 'prf': case "©" . 'req': case "©" . 'src': case "©" . 'swr': case "©" . 'too': // encoder // encoder case "©" . 'trk': // TRacK // TRacK case "©" . 'url': case "©" . 'wrn': case "©" . 'wrt': // WRiTer // WRiTer case '----': // itunes specific if ($atom_parent == 'udta') { // User data atom handler $atom_structure['data_length'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2)); $atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2)); $atom_structure['data'] = substr($atom_data, 4); $atom_structure['language'] = $this->QuicktimeLanguageLookup($atom_structure['language_id']); if (empty($info['comments']['language']) || !in_array($atom_structure['language'], $info['comments']['language'])) { $info['comments']['language'][] = $atom_structure['language']; } } else { // Apple item list box atom handler $atomoffset = 0; if (substr($atom_data, 2, 2) == "µ") { // not sure what it means, but observed on iPhone4 data. // Each $atom_data has 2 bytes of datasize, plus 0x10B5, then data while ($atomoffset < strlen($atom_data)) { $boxsmallsize = getid3_lib::BigEndian2Int(substr($atom_data, $atomoffset, 2)); $boxsmalltype = substr($atom_data, $atomoffset + 2, 2); $boxsmalldata = substr($atom_data, $atomoffset + 4, $boxsmallsize); if ($boxsmallsize <= 1) { $info['warning'][] = 'Invalid QuickTime atom smallbox size "' . $boxsmallsize . '" in atom "' . $atomname . '" at offset: ' . ($atom_structure['offset'] + $atomoffset); $atom_structure['data'] = null; $atomoffset = strlen($atom_data); break; } switch ($boxsmalltype) { case "µ": $atom_structure['data'] = $boxsmalldata; break; default: $info['warning'][] = 'Unknown QuickTime smallbox type: "' . getid3_lib::PrintHexBytes($boxsmalltype) . '" at offset ' . $baseoffset; $atom_structure['data'] = $atom_data; break; } $atomoffset += 4 + $boxsmallsize; } } else { while ($atomoffset < strlen($atom_data)) { $boxsize = getid3_lib::BigEndian2Int(substr($atom_data, $atomoffset, 4)); $boxtype = substr($atom_data, $atomoffset + 4, 4); $boxdata = substr($atom_data, $atomoffset + 8, $boxsize - 8); if ($boxsize <= 1) { $info['warning'][] = 'Invalid QuickTime atom box size "' . $boxsize . '" in atom "' . $atomname . '" at offset: ' . ($atom_structure['offset'] + $atomoffset); $atom_structure['data'] = null; $atomoffset = strlen($atom_data); break; } $atomoffset += $boxsize; switch ($boxtype) { case 'mean': case 'name': $atom_structure[$boxtype] = substr($boxdata, 4); break; case 'data': $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($boxdata, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($boxdata, 1, 3)); switch ($atom_structure['flags_raw']) { case 0: // data flag // data flag case 21: // tmpo/cpil flag switch ($atomname) { case 'cpil': case 'pcst': case 'pgap': $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1)); break; case 'tmpo': $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 2)); break; case 'disk': case 'trkn': $num = getid3_lib::BigEndian2Int(substr($boxdata, 10, 2)); $num_total = getid3_lib::BigEndian2Int(substr($boxdata, 12, 2)); $atom_structure['data'] = empty($num) ? '' : $num; $atom_structure['data'] .= empty($num_total) ? '' : '/' . $num_total; break; case 'gnre': $GenreID = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4)); $atom_structure['data'] = getid3_id3v1::LookupGenreName($GenreID - 1); break; case 'rtng': $atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1)); $atom_structure['data'] = $this->QuicktimeContentRatingLookup($atom_structure[$atomname]); break; case 'stik': $atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1)); $atom_structure['data'] = $this->QuicktimeSTIKLookup($atom_structure[$atomname]); break; case 'sfID': $atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4)); $atom_structure['data'] = $this->QuicktimeStoreFrontCodeLookup($atom_structure[$atomname]); break; case 'egid': case 'purl': $atom_structure['data'] = substr($boxdata, 8); break; default: $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4)); } break; case 1: // text flag // text flag case 13: // image flag // image flag default: $atom_structure['data'] = substr($boxdata, 8); if ($atomname == 'covr') { // not a foolproof check, but better than nothing if (preg_match('#^\\xFF\\xD8\\xFF#', $atom_structure['data'])) { $atom_structure['image_mime'] = 'image/jpeg'; } elseif (preg_match('#^\\x89\\x50\\x4E\\x47\\x0D\\x0A\\x1A\\x0A#', $atom_structure['data'])) { $atom_structure['image_mime'] = 'image/png'; } elseif (preg_match('#^GIF#', $atom_structure['data'])) { $atom_structure['image_mime'] = 'image/gif'; } } break; } break; default: $info['warning'][] = 'Unknown QuickTime box type: "' . getid3_lib::PrintHexBytes($boxtype) . '" at offset ' . $baseoffset; $atom_structure['data'] = $atom_data; } } } } $this->CopyToAppropriateCommentsSection($atomname, $atom_structure['data'], $atom_structure['name']); break; case 'play': // auto-PLAY atom $atom_structure['autoplay'] = (bool) getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $info['quicktime']['autoplay'] = $atom_structure['autoplay']; break; case 'WLOC': // Window LOCation atom $atom_structure['location_x'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2)); $atom_structure['location_y'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2)); break; case 'LOOP': // LOOPing atom // LOOPing atom case 'SelO': // play SELection Only atom // play SELection Only atom case 'AllF': // play ALL Frames atom $atom_structure['data'] = getid3_lib::BigEndian2Int($atom_data); break; case 'name': // // case 'MCPS': // Media Cleaner PRo // Media Cleaner PRo case '@PRM': // adobe PReMiere version // adobe PReMiere version case '@PRQ': // adobe PRemiere Quicktime version $atom_structure['data'] = $atom_data; break; case 'cmvd': // Compressed MooV Data atom // Code by ubergeekØubergeek*tv based on information from // http://developer.apple.com/quicktime/icefloe/dispatch012.html $atom_structure['unCompressedSize'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); $CompressedFileData = substr($atom_data, 4); if ($UncompressedHeader = @gzuncompress($CompressedFileData)) { $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($UncompressedHeader, 0, $atomHierarchy, $ParseAllPossibleAtoms); } else { $info['warning'][] = 'Error decompressing compressed MOV atom at offset ' . $atom_structure['offset']; } break; case 'dcom': // Data COMpression atom $atom_structure['compression_id'] = $atom_data; $atom_structure['compression_text'] = $this->QuicktimeDCOMLookup($atom_data); break; case 'rdrf': // Reference movie Data ReFerence atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); $atom_structure['flags']['internal_data'] = (bool) ($atom_structure['flags_raw'] & 0x1); $atom_structure['reference_type_name'] = substr($atom_data, 4, 4); $atom_structure['reference_length'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); switch ($atom_structure['reference_type_name']) { case 'url ': $atom_structure['url'] = $this->NoNullString(substr($atom_data, 12)); break; case 'alis': $atom_structure['file_alias'] = substr($atom_data, 12); break; case 'rsrc': $atom_structure['resource_alias'] = substr($atom_data, 12); break; default: $atom_structure['data'] = substr($atom_data, 12); break; } break; case 'rmqu': // Reference Movie QUality atom $atom_structure['movie_quality'] = getid3_lib::BigEndian2Int($atom_data); break; case 'rmcs': // Reference Movie Cpu Speed atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['cpu_speed_rating'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); break; case 'rmvc': // Reference Movie Version Check atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['gestalt_selector'] = substr($atom_data, 4, 4); $atom_structure['gestalt_value_mask'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); $atom_structure['gestalt_value'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); $atom_structure['gestalt_check_type'] = getid3_lib::BigEndian2Int(substr($atom_data, 14, 2)); break; case 'rmcd': // Reference Movie Component check atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['component_type'] = substr($atom_data, 4, 4); $atom_structure['component_subtype'] = substr($atom_data, 8, 4); $atom_structure['component_manufacturer'] = substr($atom_data, 12, 4); $atom_structure['component_flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); $atom_structure['component_flags_mask'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 4)); $atom_structure['component_min_version'] = getid3_lib::BigEndian2Int(substr($atom_data, 24, 4)); break; case 'rmdr': // Reference Movie Data Rate atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['data_rate'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $atom_structure['data_rate_bps'] = $atom_structure['data_rate'] * 10; break; case 'rmla': // Reference Movie Language Atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); $atom_structure['language'] = $this->QuicktimeLanguageLookup($atom_structure['language_id']); if (empty($info['comments']['language']) || !in_array($atom_structure['language'], $info['comments']['language'])) { $info['comments']['language'][] = $atom_structure['language']; } break; case 'rmla': // Reference Movie Language Atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['track_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); break; case 'ptv ': // Print To Video - defines a movie's full screen mode // http://developer.apple.com/documentation/QuickTime/APIREF/SOURCESIV/at_ptv-_pg.htm $atom_structure['display_size_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2)); $atom_structure['reserved_1'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2)); // hardcoded: 0x0000 $atom_structure['reserved_2'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); // hardcoded: 0x0000 $atom_structure['slide_show_flag'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 1)); $atom_structure['play_on_open_flag'] = getid3_lib::BigEndian2Int(substr($atom_data, 7, 1)); $atom_structure['flags']['play_on_open'] = (bool) $atom_structure['play_on_open_flag']; $atom_structure['flags']['slide_show'] = (bool) $atom_structure['slide_show_flag']; $ptv_lookup[0] = 'normal'; $ptv_lookup[1] = 'double'; $ptv_lookup[2] = 'half'; $ptv_lookup[3] = 'full'; $ptv_lookup[4] = 'current'; if (isset($ptv_lookup[$atom_structure['display_size_raw']])) { $atom_structure['display_size'] = $ptv_lookup[$atom_structure['display_size_raw']]; } else { $info['warning'][] = 'unknown "ptv " display constant (' . $atom_structure['display_size_raw'] . ')'; } break; case 'stsd': // Sample Table Sample Description atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $stsdEntriesDataOffset = 8; for ($i = 0; $i < $atom_structure['number_entries']; $i++) { $atom_structure['sample_description_table'][$i]['size'] = getid3_lib::BigEndian2Int(substr($atom_data, $stsdEntriesDataOffset, 4)); $stsdEntriesDataOffset += 4; $atom_structure['sample_description_table'][$i]['data_format'] = substr($atom_data, $stsdEntriesDataOffset, 4); $stsdEntriesDataOffset += 4; $atom_structure['sample_description_table'][$i]['reserved'] = getid3_lib::BigEndian2Int(substr($atom_data, $stsdEntriesDataOffset, 6)); $stsdEntriesDataOffset += 6; $atom_structure['sample_description_table'][$i]['reference_index'] = getid3_lib::BigEndian2Int(substr($atom_data, $stsdEntriesDataOffset, 2)); $stsdEntriesDataOffset += 2; $atom_structure['sample_description_table'][$i]['data'] = substr($atom_data, $stsdEntriesDataOffset, $atom_structure['sample_description_table'][$i]['size'] - 4 - 4 - 6 - 2); $stsdEntriesDataOffset += $atom_structure['sample_description_table'][$i]['size'] - 4 - 4 - 6 - 2; $atom_structure['sample_description_table'][$i]['encoder_version'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 0, 2)); $atom_structure['sample_description_table'][$i]['encoder_revision'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 2, 2)); $atom_structure['sample_description_table'][$i]['encoder_vendor'] = substr($atom_structure['sample_description_table'][$i]['data'], 4, 4); switch ($atom_structure['sample_description_table'][$i]['encoder_vendor']) { case "": // audio tracks $atom_structure['sample_description_table'][$i]['audio_channels'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 8, 2)); $atom_structure['sample_description_table'][$i]['audio_bit_depth'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 10, 2)); $atom_structure['sample_description_table'][$i]['audio_compression_id'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 12, 2)); $atom_structure['sample_description_table'][$i]['audio_packet_size'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 14, 2)); $atom_structure['sample_description_table'][$i]['audio_sample_rate'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 16, 4)); // video tracks // http://developer.apple.com/library/mac/#documentation/QuickTime/QTFF/QTFFChap3/qtff3.html $atom_structure['sample_description_table'][$i]['temporal_quality'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 8, 4)); $atom_structure['sample_description_table'][$i]['spatial_quality'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 12, 4)); $atom_structure['sample_description_table'][$i]['width'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 16, 2)); $atom_structure['sample_description_table'][$i]['height'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 18, 2)); $atom_structure['sample_description_table'][$i]['resolution_x'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 24, 4)); $atom_structure['sample_description_table'][$i]['resolution_y'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 28, 4)); $atom_structure['sample_description_table'][$i]['data_size'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 32, 4)); $atom_structure['sample_description_table'][$i]['frame_count'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 36, 2)); $atom_structure['sample_description_table'][$i]['compressor_name'] = substr($atom_structure['sample_description_table'][$i]['data'], 38, 4); $atom_structure['sample_description_table'][$i]['pixel_depth'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 42, 2)); $atom_structure['sample_description_table'][$i]['color_table_id'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 44, 2)); switch ($atom_structure['sample_description_table'][$i]['data_format']) { case '2vuY': case 'avc1': case 'cvid': case 'dvc ': case 'dvcp': case 'gif ': case 'h263': case 'jpeg': case 'kpcd': case 'mjpa': case 'mjpb': case 'mp4v': case 'png ': case 'raw ': case 'rle ': case 'rpza': case 'smc ': case 'SVQ1': case 'SVQ3': case 'tiff': case 'v210': case 'v216': case 'v308': case 'v408': case 'v410': case 'yuv2': $info['fileformat'] = 'mp4'; $info['video']['fourcc'] = $atom_structure['sample_description_table'][$i]['data_format']; // http://www.getid3.org/phpBB3/viewtopic.php?t=1550 //if ((!empty($atom_structure['sample_description_table'][$i]['width']) && !empty($atom_structure['sample_description_table'][$i]['width'])) && (empty($info['video']['resolution_x']) || empty($info['video']['resolution_y']) || (number_format($info['video']['resolution_x'], 6) != number_format(round($info['video']['resolution_x']), 6)) || (number_format($info['video']['resolution_y'], 6) != number_format(round($info['video']['resolution_y']), 6)))) { // ugly check for floating point numbers if (!empty($atom_structure['sample_description_table'][$i]['width']) && !empty($atom_structure['sample_description_table'][$i]['height'])) { // assume that values stored here are more important than values stored in [tkhd] atom $info['video']['resolution_x'] = $atom_structure['sample_description_table'][$i]['width']; $info['video']['resolution_y'] = $atom_structure['sample_description_table'][$i]['height']; $info['quicktime']['video']['resolution_x'] = $info['video']['resolution_x']; $info['quicktime']['video']['resolution_y'] = $info['video']['resolution_y']; } break; case 'qtvr': $info['video']['dataformat'] = 'quicktimevr'; break; case 'mp4a': default: $info['quicktime']['audio']['codec'] = $this->QuicktimeAudioCodecLookup($atom_structure['sample_description_table'][$i]['data_format']); $info['quicktime']['audio']['sample_rate'] = $atom_structure['sample_description_table'][$i]['audio_sample_rate']; $info['quicktime']['audio']['channels'] = $atom_structure['sample_description_table'][$i]['audio_channels']; $info['quicktime']['audio']['bit_depth'] = $atom_structure['sample_description_table'][$i]['audio_bit_depth']; $info['audio']['codec'] = $info['quicktime']['audio']['codec']; $info['audio']['sample_rate'] = $info['quicktime']['audio']['sample_rate']; $info['audio']['channels'] = $info['quicktime']['audio']['channels']; $info['audio']['bits_per_sample'] = $info['quicktime']['audio']['bit_depth']; switch ($atom_structure['sample_description_table'][$i]['data_format']) { case 'raw ': // PCM // PCM case 'alac': // Apple Lossless Audio Codec $info['audio']['lossless'] = true; break; default: $info['audio']['lossless'] = false; break; } break; } break; default: switch ($atom_structure['sample_description_table'][$i]['data_format']) { case 'mp4s': $info['fileformat'] = 'mp4'; break; default: // video atom $atom_structure['sample_description_table'][$i]['video_temporal_quality'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 8, 4)); $atom_structure['sample_description_table'][$i]['video_spatial_quality'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 12, 4)); $atom_structure['sample_description_table'][$i]['video_frame_width'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 16, 2)); $atom_structure['sample_description_table'][$i]['video_frame_height'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 18, 2)); $atom_structure['sample_description_table'][$i]['video_resolution_x'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 20, 4)); $atom_structure['sample_description_table'][$i]['video_resolution_y'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 24, 4)); $atom_structure['sample_description_table'][$i]['video_data_size'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 28, 4)); $atom_structure['sample_description_table'][$i]['video_frame_count'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 32, 2)); $atom_structure['sample_description_table'][$i]['video_encoder_name_len'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 34, 1)); $atom_structure['sample_description_table'][$i]['video_encoder_name'] = substr($atom_structure['sample_description_table'][$i]['data'], 35, $atom_structure['sample_description_table'][$i]['video_encoder_name_len']); $atom_structure['sample_description_table'][$i]['video_pixel_color_depth'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 66, 2)); $atom_structure['sample_description_table'][$i]['video_color_table_id'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 68, 2)); $atom_structure['sample_description_table'][$i]['video_pixel_color_type'] = $atom_structure['sample_description_table'][$i]['video_pixel_color_depth'] > 32 ? 'grayscale' : 'color'; $atom_structure['sample_description_table'][$i]['video_pixel_color_name'] = $this->QuicktimeColorNameLookup($atom_structure['sample_description_table'][$i]['video_pixel_color_depth']); if ($atom_structure['sample_description_table'][$i]['video_pixel_color_name'] != 'invalid') { $info['quicktime']['video']['codec_fourcc'] = $atom_structure['sample_description_table'][$i]['data_format']; $info['quicktime']['video']['codec_fourcc_lookup'] = $this->QuicktimeVideoCodecLookup($atom_structure['sample_description_table'][$i]['data_format']); $info['quicktime']['video']['codec'] = $atom_structure['sample_description_table'][$i]['video_encoder_name_len'] > 0 ? $atom_structure['sample_description_table'][$i]['video_encoder_name'] : $atom_structure['sample_description_table'][$i]['data_format']; $info['quicktime']['video']['color_depth'] = $atom_structure['sample_description_table'][$i]['video_pixel_color_depth']; $info['quicktime']['video']['color_depth_name'] = $atom_structure['sample_description_table'][$i]['video_pixel_color_name']; $info['video']['codec'] = $info['quicktime']['video']['codec']; $info['video']['bits_per_sample'] = $info['quicktime']['video']['color_depth']; } $info['video']['lossless'] = false; $info['video']['pixel_aspect_ratio'] = (double) 1; break; } break; } switch (strtolower($atom_structure['sample_description_table'][$i]['data_format'])) { case 'mp4a': $info['audio']['dataformat'] = 'mp4'; $info['quicktime']['audio']['codec'] = 'mp4'; break; case '3ivx': case '3iv1': case '3iv2': $info['video']['dataformat'] = '3ivx'; break; case 'xvid': $info['video']['dataformat'] = 'xvid'; break; case 'mp4v': $info['video']['dataformat'] = 'mpeg4'; break; case 'divx': case 'div1': case 'div2': case 'div3': case 'div4': case 'div5': case 'div6': $info['video']['dataformat'] = 'divx'; break; default: // do nothing break; } unset($atom_structure['sample_description_table'][$i]['data']); } break; case 'stts': // Sample Table Time-to-Sample atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $sttsEntriesDataOffset = 8; //$FrameRateCalculatorArray = array(); $frames_count = 0; for ($i = 0; $i < $atom_structure['number_entries']; $i++) { $atom_structure['time_to_sample_table'][$i]['sample_count'] = getid3_lib::BigEndian2Int(substr($atom_data, $sttsEntriesDataOffset, 4)); $sttsEntriesDataOffset += 4; $atom_structure['time_to_sample_table'][$i]['sample_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, $sttsEntriesDataOffset, 4)); $sttsEntriesDataOffset += 4; $frames_count += $atom_structure['time_to_sample_table'][$i]['sample_count']; // THIS SECTION REPLACED WITH CODE IN "stbl" ATOM //if (!empty($info['quicktime']['time_scale']) && ($atom_structure['time_to_sample_table'][$i]['sample_duration'] > 0)) { // $stts_new_framerate = $info['quicktime']['time_scale'] / $atom_structure['time_to_sample_table'][$i]['sample_duration']; // if ($stts_new_framerate <= 60) { // // some atoms have durations of "1" giving a very large framerate, which probably is not right // $info['video']['frame_rate'] = max($info['video']['frame_rate'], $stts_new_framerate); // } //} // //$FrameRateCalculatorArray[($info['quicktime']['time_scale'] / $atom_structure['time_to_sample_table'][$i]['sample_duration'])] += $atom_structure['time_to_sample_table'][$i]['sample_count']; } $info['quicktime']['stts_framecount'][] = $frames_count; //$sttsFramesTotal = 0; //$sttsSecondsTotal = 0; //foreach ($FrameRateCalculatorArray as $frames_per_second => $frame_count) { // if (($frames_per_second > 60) || ($frames_per_second < 1)) { // // not video FPS information, probably audio information // $sttsFramesTotal = 0; // $sttsSecondsTotal = 0; // break; // } // $sttsFramesTotal += $frame_count; // $sttsSecondsTotal += $frame_count / $frames_per_second; //} //if (($sttsFramesTotal > 0) && ($sttsSecondsTotal > 0)) { // if (($sttsFramesTotal / $sttsSecondsTotal) > $info['video']['frame_rate']) { // $info['video']['frame_rate'] = $sttsFramesTotal / $sttsSecondsTotal; // } //} break; case 'stss': // Sample Table Sync Sample (key frames) atom if ($ParseAllPossibleAtoms) { $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $stssEntriesDataOffset = 8; for ($i = 0; $i < $atom_structure['number_entries']; $i++) { $atom_structure['time_to_sample_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stssEntriesDataOffset, 4)); $stssEntriesDataOffset += 4; } } break; case 'stsc': // Sample Table Sample-to-Chunk atom if ($ParseAllPossibleAtoms) { $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $stscEntriesDataOffset = 8; for ($i = 0; $i < $atom_structure['number_entries']; $i++) { $atom_structure['sample_to_chunk_table'][$i]['first_chunk'] = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4)); $stscEntriesDataOffset += 4; $atom_structure['sample_to_chunk_table'][$i]['samples_per_chunk'] = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4)); $stscEntriesDataOffset += 4; $atom_structure['sample_to_chunk_table'][$i]['sample_description'] = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4)); $stscEntriesDataOffset += 4; } } break; case 'stsz': // Sample Table SiZe atom if ($ParseAllPossibleAtoms) { $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['sample_size'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); $stszEntriesDataOffset = 12; if ($atom_structure['sample_size'] == 0) { for ($i = 0; $i < $atom_structure['number_entries']; $i++) { $atom_structure['sample_size_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stszEntriesDataOffset, 4)); $stszEntriesDataOffset += 4; } } } break; case 'stco': // Sample Table Chunk Offset atom if ($ParseAllPossibleAtoms) { $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $stcoEntriesDataOffset = 8; for ($i = 0; $i < $atom_structure['number_entries']; $i++) { $atom_structure['chunk_offset_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stcoEntriesDataOffset, 4)); $stcoEntriesDataOffset += 4; } } break; case 'co64': // Chunk Offset 64-bit (version of "stco" that supports > 2GB files) if ($ParseAllPossibleAtoms) { $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $stcoEntriesDataOffset = 8; for ($i = 0; $i < $atom_structure['number_entries']; $i++) { $atom_structure['chunk_offset_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stcoEntriesDataOffset, 8)); $stcoEntriesDataOffset += 8; } } break; case 'dref': // Data REFerence atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $drefDataOffset = 8; for ($i = 0; $i < $atom_structure['number_entries']; $i++) { $atom_structure['data_references'][$i]['size'] = getid3_lib::BigEndian2Int(substr($atom_data, $drefDataOffset, 4)); $drefDataOffset += 4; $atom_structure['data_references'][$i]['type'] = substr($atom_data, $drefDataOffset, 4); $drefDataOffset += 4; $atom_structure['data_references'][$i]['version'] = getid3_lib::BigEndian2Int(substr($atom_data, $drefDataOffset, 1)); $drefDataOffset += 1; $atom_structure['data_references'][$i]['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, $drefDataOffset, 3)); // hardcoded: 0x0000 $drefDataOffset += 3; $atom_structure['data_references'][$i]['data'] = substr($atom_data, $drefDataOffset, $atom_structure['data_references'][$i]['size'] - 4 - 4 - 1 - 3); $drefDataOffset += $atom_structure['data_references'][$i]['size'] - 4 - 4 - 1 - 3; $atom_structure['data_references'][$i]['flags']['self_reference'] = (bool) ($atom_structure['data_references'][$i]['flags_raw'] & 0x1); } break; case 'gmin': // base Media INformation atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['graphics_mode'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); $atom_structure['opcolor_red'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2)); $atom_structure['opcolor_green'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 2)); $atom_structure['opcolor_blue'] = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2)); $atom_structure['balance'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 2)); $atom_structure['reserved'] = getid3_lib::BigEndian2Int(substr($atom_data, 14, 2)); break; case 'smhd': // Sound Media information HeaDer atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['balance'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); $atom_structure['reserved'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2)); break; case 'vmhd': // Video Media information HeaDer atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); $atom_structure['graphics_mode'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); $atom_structure['opcolor_red'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2)); $atom_structure['opcolor_green'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 2)); $atom_structure['opcolor_blue'] = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2)); $atom_structure['flags']['no_lean_ahead'] = (bool) ($atom_structure['flags_raw'] & 0x1); break; case 'hdlr': // HanDLeR reference atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['component_type'] = substr($atom_data, 4, 4); $atom_structure['component_subtype'] = substr($atom_data, 8, 4); $atom_structure['component_manufacturer'] = substr($atom_data, 12, 4); $atom_structure['component_flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); $atom_structure['component_flags_mask'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 4)); $atom_structure['component_name'] = $this->Pascal2String(substr($atom_data, 24)); if ($atom_structure['component_subtype'] == 'STpn' && $atom_structure['component_manufacturer'] == 'zzzz') { $info['video']['dataformat'] = 'quicktimevr'; } break; case 'mdhd': // MeDia HeaDer atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['creation_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $atom_structure['modify_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); $atom_structure['time_scale'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); $atom_structure['duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); $atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 2)); $atom_structure['quality'] = getid3_lib::BigEndian2Int(substr($atom_data, 22, 2)); if ($atom_structure['time_scale'] == 0) { $info['error'][] = 'Corrupt Quicktime file: mdhd.time_scale == zero'; return false; } $info['quicktime']['time_scale'] = isset($info['quicktime']['time_scale']) ? max($info['quicktime']['time_scale'], $atom_structure['time_scale']) : $atom_structure['time_scale']; $atom_structure['creation_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['creation_time']); $atom_structure['modify_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['modify_time']); $atom_structure['playtime_seconds'] = $atom_structure['duration'] / $atom_structure['time_scale']; $atom_structure['language'] = $this->QuicktimeLanguageLookup($atom_structure['language_id']); if (empty($info['comments']['language']) || !in_array($atom_structure['language'], $info['comments']['language'])) { $info['comments']['language'][] = $atom_structure['language']; } break; case 'pnot': // Preview atom $atom_structure['modification_date'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); // "standard Macintosh format" $atom_structure['version_number'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); // hardcoded: 0x00 $atom_structure['atom_type'] = substr($atom_data, 6, 4); // usually: 'PICT' $atom_structure['atom_index'] = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2)); // usually: 0x01 $atom_structure['modification_date_unix'] = getid3_lib::DateMac2Unix($atom_structure['modification_date']); break; case 'crgn': // Clipping ReGioN atom $atom_structure['region_size'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2)); // The Region size, Region boundary box, $atom_structure['boundary_box'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 8)); // and Clipping region data fields $atom_structure['clipping_data'] = substr($atom_data, 10); // constitute a QuickDraw region. break; case 'load': // track LOAD settings atom $atom_structure['preload_start_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); $atom_structure['preload_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $atom_structure['preload_flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); $atom_structure['default_hints_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); $atom_structure['default_hints']['double_buffer'] = (bool) ($atom_structure['default_hints_raw'] & 0x20); $atom_structure['default_hints']['high_quality'] = (bool) ($atom_structure['default_hints_raw'] & 0x100); break; case 'tmcd': // TiMe CoDe atom // TiMe CoDe atom case 'chap': // CHAPter list atom // CHAPter list atom case 'sync': // SYNChronization atom // SYNChronization atom case 'scpt': // tranSCriPT atom // tranSCriPT atom case 'ssrc': // non-primary SouRCe atom for ($i = 0; $i < strlen($atom_data); $i += 4) { @($atom_structure['track_id'][] = getid3_lib::BigEndian2Int(substr($atom_data, $i, 4))); } break; case 'elst': // Edit LiST atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); for ($i = 0; $i < $atom_structure['number_entries']; $i++) { $atom_structure['edit_list'][$i]['track_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + $i * 12 + 0, 4)); $atom_structure['edit_list'][$i]['media_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + $i * 12 + 4, 4)); $atom_structure['edit_list'][$i]['media_rate'] = getid3_lib::FixedPoint16_16(substr($atom_data, 8 + $i * 12 + 8, 4)); } break; case 'kmat': // compressed MATte atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['matte_data_raw'] = substr($atom_data, 4); break; case 'ctab': // Color TABle atom $atom_structure['color_table_seed'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); // hardcoded: 0x00000000 $atom_structure['color_table_flags'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); // hardcoded: 0x8000 $atom_structure['color_table_size'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2)) + 1; for ($colortableentry = 0; $colortableentry < $atom_structure['color_table_size']; $colortableentry++) { $atom_structure['color_table'][$colortableentry]['alpha'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + $colortableentry * 8 + 0, 2)); $atom_structure['color_table'][$colortableentry]['red'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + $colortableentry * 8 + 2, 2)); $atom_structure['color_table'][$colortableentry]['green'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + $colortableentry * 8 + 4, 2)); $atom_structure['color_table'][$colortableentry]['blue'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + $colortableentry * 8 + 6, 2)); } break; case 'mvhd': // MoVie HeaDer atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); $atom_structure['creation_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $atom_structure['modify_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); $atom_structure['time_scale'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); $atom_structure['duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); $atom_structure['preferred_rate'] = getid3_lib::FixedPoint16_16(substr($atom_data, 20, 4)); $atom_structure['preferred_volume'] = getid3_lib::FixedPoint8_8(substr($atom_data, 24, 2)); $atom_structure['reserved'] = substr($atom_data, 26, 10); $atom_structure['matrix_a'] = getid3_lib::FixedPoint16_16(substr($atom_data, 36, 4)); $atom_structure['matrix_b'] = getid3_lib::FixedPoint16_16(substr($atom_data, 40, 4)); $atom_structure['matrix_u'] = getid3_lib::FixedPoint2_30(substr($atom_data, 44, 4)); $atom_structure['matrix_c'] = getid3_lib::FixedPoint16_16(substr($atom_data, 48, 4)); $atom_structure['matrix_d'] = getid3_lib::FixedPoint16_16(substr($atom_data, 52, 4)); $atom_structure['matrix_v'] = getid3_lib::FixedPoint2_30(substr($atom_data, 56, 4)); $atom_structure['matrix_x'] = getid3_lib::FixedPoint16_16(substr($atom_data, 60, 4)); $atom_structure['matrix_y'] = getid3_lib::FixedPoint16_16(substr($atom_data, 64, 4)); $atom_structure['matrix_w'] = getid3_lib::FixedPoint2_30(substr($atom_data, 68, 4)); $atom_structure['preview_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 72, 4)); $atom_structure['preview_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 76, 4)); $atom_structure['poster_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 80, 4)); $atom_structure['selection_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 84, 4)); $atom_structure['selection_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 88, 4)); $atom_structure['current_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 92, 4)); $atom_structure['next_track_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 96, 4)); if ($atom_structure['time_scale'] == 0) { $info['error'][] = 'Corrupt Quicktime file: mvhd.time_scale == zero'; return false; } $atom_structure['creation_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['creation_time']); $atom_structure['modify_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['modify_time']); $info['quicktime']['time_scale'] = isset($info['quicktime']['time_scale']) ? max($info['quicktime']['time_scale'], $atom_structure['time_scale']) : $atom_structure['time_scale']; $info['quicktime']['display_scale'] = $atom_structure['matrix_a']; $info['playtime_seconds'] = $atom_structure['duration'] / $atom_structure['time_scale']; break; case 'tkhd': // TracK HeaDer atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); $atom_structure['creation_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $atom_structure['modify_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); $atom_structure['trackid'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); $atom_structure['reserved1'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); $atom_structure['duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 4)); $atom_structure['reserved2'] = getid3_lib::BigEndian2Int(substr($atom_data, 24, 8)); $atom_structure['layer'] = getid3_lib::BigEndian2Int(substr($atom_data, 32, 2)); $atom_structure['alternate_group'] = getid3_lib::BigEndian2Int(substr($atom_data, 34, 2)); $atom_structure['volume'] = getid3_lib::FixedPoint8_8(substr($atom_data, 36, 2)); $atom_structure['reserved3'] = getid3_lib::BigEndian2Int(substr($atom_data, 38, 2)); // http://developer.apple.com/library/mac/#documentation/QuickTime/RM/MovieBasics/MTEditing/K-Chapter/11MatrixFunctions.html // http://developer.apple.com/library/mac/#documentation/QuickTime/qtff/QTFFChap4/qtff4.html#//apple_ref/doc/uid/TP40000939-CH206-18737 $atom_structure['matrix_a'] = getid3_lib::FixedPoint16_16(substr($atom_data, 40, 4)); $atom_structure['matrix_b'] = getid3_lib::FixedPoint16_16(substr($atom_data, 44, 4)); $atom_structure['matrix_u'] = getid3_lib::FixedPoint2_30(substr($atom_data, 48, 4)); $atom_structure['matrix_c'] = getid3_lib::FixedPoint16_16(substr($atom_data, 52, 4)); $atom_structure['matrix_d'] = getid3_lib::FixedPoint16_16(substr($atom_data, 56, 4)); $atom_structure['matrix_v'] = getid3_lib::FixedPoint2_30(substr($atom_data, 60, 4)); $atom_structure['matrix_x'] = getid3_lib::FixedPoint16_16(substr($atom_data, 64, 4)); $atom_structure['matrix_y'] = getid3_lib::FixedPoint16_16(substr($atom_data, 68, 4)); $atom_structure['matrix_w'] = getid3_lib::FixedPoint2_30(substr($atom_data, 72, 4)); $atom_structure['width'] = getid3_lib::FixedPoint16_16(substr($atom_data, 76, 4)); $atom_structure['height'] = getid3_lib::FixedPoint16_16(substr($atom_data, 80, 4)); $atom_structure['flags']['enabled'] = (bool) ($atom_structure['flags_raw'] & 0x1); $atom_structure['flags']['in_movie'] = (bool) ($atom_structure['flags_raw'] & 0x2); $atom_structure['flags']['in_preview'] = (bool) ($atom_structure['flags_raw'] & 0x4); $atom_structure['flags']['in_poster'] = (bool) ($atom_structure['flags_raw'] & 0x8); $atom_structure['creation_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['creation_time']); $atom_structure['modify_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['modify_time']); if ($atom_structure['flags']['enabled'] == 1) { if (!isset($info['video']['resolution_x']) || !isset($info['video']['resolution_y'])) { $info['video']['resolution_x'] = $atom_structure['width']; $info['video']['resolution_y'] = $atom_structure['height']; } $info['video']['resolution_x'] = max($info['video']['resolution_x'], $atom_structure['width']); $info['video']['resolution_y'] = max($info['video']['resolution_y'], $atom_structure['height']); $info['quicktime']['video']['resolution_x'] = $info['video']['resolution_x']; $info['quicktime']['video']['resolution_y'] = $info['video']['resolution_y']; } else { // see: http://www.getid3.org/phpBB3/viewtopic.php?t=1295 //if (isset($info['video']['resolution_x'])) { unset($info['video']['resolution_x']); } //if (isset($info['video']['resolution_y'])) { unset($info['video']['resolution_y']); } //if (isset($info['quicktime']['video'])) { unset($info['quicktime']['video']); } } break; case 'iods': // Initial Object DeScriptor atom // http://www.koders.com/c/fid1FAB3E762903DC482D8A246D4A4BF9F28E049594.aspx?s=windows.h // http://libquicktime.sourcearchive.com/documentation/1.0.2plus-pdebian/iods_8c-source.html $offset = 0; $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); $offset += 1; $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 3)); $offset += 3; $atom_structure['mp4_iod_tag'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); $offset += 1; $atom_structure['length'] = $this->quicktime_read_mp4_descr_length($atom_data, $offset); //$offset already adjusted by quicktime_read_mp4_descr_length() $atom_structure['object_descriptor_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 2)); $offset += 2; $atom_structure['od_profile_level'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); $offset += 1; $atom_structure['scene_profile_level'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); $offset += 1; $atom_structure['audio_profile_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); $offset += 1; $atom_structure['video_profile_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); $offset += 1; $atom_structure['graphics_profile_level'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); $offset += 1; $atom_structure['num_iods_tracks'] = ($atom_structure['length'] - 7) / 6; // 6 bytes would only be right if all tracks use 1-byte length fields for ($i = 0; $i < $atom_structure['num_iods_tracks']; $i++) { $atom_structure['track'][$i]['ES_ID_IncTag'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); $offset += 1; $atom_structure['track'][$i]['length'] = $this->quicktime_read_mp4_descr_length($atom_data, $offset); //$offset already adjusted by quicktime_read_mp4_descr_length() $atom_structure['track'][$i]['track_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 4)); $offset += 4; } $atom_structure['audio_profile_name'] = $this->QuicktimeIODSaudioProfileName($atom_structure['audio_profile_id']); $atom_structure['video_profile_name'] = $this->QuicktimeIODSvideoProfileName($atom_structure['video_profile_id']); break; case 'ftyp': // FileTYPe (?) atom (for MP4 it seems) $atom_structure['signature'] = substr($atom_data, 0, 4); $atom_structure['unknown_1'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $atom_structure['fourcc'] = substr($atom_data, 8, 4); break; case 'mdat': // Media DATa atom // 'mdat' contains the actual data for the audio/video, possibly also subtitles /* due to lack of known documentation, this is a kludge implementation. If you know of documentation on how mdat is properly structed, please send it to info@getid3.org */ // first, skip any 'wide' padding, and second 'mdat' header (with specified size of zero?) $mdat_offset = 0; while (true) { if (substr($atom_data, $mdat_offset, 8) == "" . 'wide') { $mdat_offset += 8; } elseif (substr($atom_data, $mdat_offset, 8) == "" . 'mdat') { $mdat_offset += 8; } else { break; } } // check to see if it looks like chapter titles, in the form of unterminated strings with a leading 16-bit size field while (($chapter_string_length = getid3_lib::BigEndian2Int(substr($atom_data, $mdat_offset, 2))) && $chapter_string_length < 1000 && $chapter_string_length <= strlen($atom_data) - $mdat_offset - 2 && preg_match('#^[\\x20-\\xFF]+$#', substr($atom_data, $mdat_offset + 2, $chapter_string_length), $chapter_matches)) { $mdat_offset += 2 + $chapter_string_length; @($info['quicktime']['comments']['chapters'][] = $chapter_matches[0]); } if ($atomsize > 8 && (!isset($info['avdataend_tmp']) || $info['quicktime'][$atomname]['size'] > $info['avdataend_tmp'] - $info['avdataoffset'])) { $info['avdataoffset'] = $atom_structure['offset'] + 8; // $info['quicktime'][$atomname]['offset'] + 8; $OldAVDataEnd = $info['avdataend']; $info['avdataend'] = $atom_structure['offset'] + $atom_structure['size']; // $info['quicktime'][$atomname]['offset'] + $info['quicktime'][$atomname]['size']; $getid3_temp = new getID3(); $getid3_temp->openfile($this->getid3->filename); $getid3_temp->info['avdataoffset'] = $info['avdataoffset']; $getid3_temp->info['avdataend'] = $info['avdataend']; $getid3_mp3 = new getid3_mp3($getid3_temp); if ($getid3_mp3->MPEGaudioHeaderValid($getid3_mp3->MPEGaudioHeaderDecode($this->fread(4)))) { $getid3_mp3->getOnlyMPEGaudioInfo($getid3_temp->info['avdataoffset'], false); if (!empty($getid3_temp->info['warning'])) { foreach ($getid3_temp->info['warning'] as $value) { $info['warning'][] = $value; } } if (!empty($getid3_temp->info['mpeg'])) { $info['mpeg'] = $getid3_temp->info['mpeg']; if (isset($info['mpeg']['audio'])) { $info['audio']['dataformat'] = 'mp3'; $info['audio']['codec'] = !empty($info['mpeg']['audio']['encoder']) ? $info['mpeg']['audio']['encoder'] : (!empty($info['mpeg']['audio']['codec']) ? $info['mpeg']['audio']['codec'] : (!empty($info['mpeg']['audio']['LAME']) ? 'LAME' : 'mp3')); $info['audio']['sample_rate'] = $info['mpeg']['audio']['sample_rate']; $info['audio']['channels'] = $info['mpeg']['audio']['channels']; $info['audio']['bitrate'] = $info['mpeg']['audio']['bitrate']; $info['audio']['bitrate_mode'] = strtolower($info['mpeg']['audio']['bitrate_mode']); $info['bitrate'] = $info['audio']['bitrate']; } } } unset($getid3_mp3, $getid3_temp); $info['avdataend'] = $OldAVDataEnd; unset($OldAVDataEnd); } unset($mdat_offset, $chapter_string_length, $chapter_matches); break; case 'free': // FREE space atom // FREE space atom case 'skip': // SKIP atom // SKIP atom case 'wide': // 64-bit expansion placeholder atom // 'free', 'skip' and 'wide' are just padding, contains no useful data at all // When writing QuickTime files, it is sometimes necessary to update an atom's size. // It is impossible to update a 32-bit atom to a 64-bit atom since the 32-bit atom // is only 8 bytes in size, and the 64-bit atom requires 16 bytes. Therefore, QuickTime // puts an 8-byte placeholder atom before any atoms it may have to update the size of. // In this way, if the atom needs to be converted from a 32-bit to a 64-bit atom, the // placeholder atom can be overwritten to obtain the necessary 8 extra bytes. // The placeholder atom has a type of kWideAtomPlaceholderType ( 'wide' ). break; case 'nsav': // NoSAVe atom // http://developer.apple.com/technotes/tn/tn2038.html $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); break; case 'ctyp': // Controller TYPe atom (seen on QTVR) // http://homepages.slingshot.co.nz/~helmboy/quicktime/formats/qtm-layout.txt // some controller names are: // 0x00 + 'std' for linear movie // 'none' for no controls $atom_structure['ctyp'] = substr($atom_data, 0, 4); $info['quicktime']['controller'] = $atom_structure['ctyp']; switch ($atom_structure['ctyp']) { case 'qtvr': $info['video']['dataformat'] = 'quicktimevr'; break; } break; case 'pano': // PANOrama track (seen on QTVR) $atom_structure['pano'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); break; case 'hint': // HINT track // HINT track case 'hinf': // // case 'hinv': // // case 'hnti': // $info['quicktime']['hinting'] = true; break; case 'imgt': // IMaGe Track reference (kQTVRImageTrackRefType) (seen on QTVR) for ($i = 0; $i < $atom_structure['size'] - 8; $i += 4) { $atom_structure['imgt'][] = getid3_lib::BigEndian2Int(substr($atom_data, $i, 4)); } break; // Observed-but-not-handled atom types are just listed here to prevent warnings being generated // Observed-but-not-handled atom types are just listed here to prevent warnings being generated case 'FXTC': // Something to do with Adobe After Effects (?) // 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 // this is NOT "fiel" (Field Ordering) as describe here: http://developer.apple.com/documentation/QuickTime/QTFF/QTFFChap3/chapter_4_section_2.html case 'tapt': // TrackApertureModeDimensionsAID - http://developer.apple.com/documentation/QuickTime/Reference/QT7-1_Update_Reference/Constants/Constants.html // tapt seems to be used to compute the video size [http://www.getid3.org/phpBB3/viewtopic.php?t=838] // * http://lists.apple.com/archives/quicktime-api/2006/Aug/msg00014.html // * http://handbrake.fr/irclogs/handbrake-dev/handbrake-dev20080128_pg2.html // TrackApertureModeDimensionsAID - http://developer.apple.com/documentation/QuickTime/Reference/QT7-1_Update_Reference/Constants/Constants.html // tapt seems to be used to compute the video size [http://www.getid3.org/phpBB3/viewtopic.php?t=838] // * http://lists.apple.com/archives/quicktime-api/2006/Aug/msg00014.html // * http://handbrake.fr/irclogs/handbrake-dev/handbrake-dev20080128_pg2.html case 'ctts': // STCompositionOffsetAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html // STCompositionOffsetAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html case 'cslg': // STCompositionShiftLeastGreatestAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html // STCompositionShiftLeastGreatestAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html case 'sdtp': // STSampleDependencyAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html // STSampleDependencyAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html case 'stps': // STPartialSyncSampleAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html //$atom_structure['data'] = $atom_data; break; case "©" . 'xyz': // GPS latitude+longitude+altitude $atom_structure['data'] = $atom_data; if (preg_match('#([\\+\\-][0-9\\.]+)([\\+\\-][0-9\\.]+)([\\+\\-][0-9\\.]+)?/$#i', $atom_data, $matches)) { @(list($all, $latitude, $longitude, $altitude) = $matches); $info['quicktime']['comments']['gps_latitude'][] = floatval($latitude); $info['quicktime']['comments']['gps_longitude'][] = floatval($longitude); if (!empty($altitude)) { $info['quicktime']['comments']['gps_altitude'][] = floatval($altitude); } } else { $info['warning'][] = 'QuickTime atom "©xyz" data does not match expected data pattern at offset ' . $baseoffset . '. Please report as getID3() bug.'; } break; case 'NCDT': // http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html // Nikon-specific QuickTime tags found in the NCDT atom of MOV videos from some Nikon cameras such as the Coolpix S8000 and D5100 $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 4, $atomHierarchy, $ParseAllPossibleAtoms); break; case 'NCTH': // Nikon Camera THumbnail image // Nikon Camera THumbnail image case 'NCVW': // Nikon Camera preVieW image // http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html if (preg_match('/^\\xFF\\xD8\\xFF/', $atom_data)) { $atom_structure['data'] = $atom_data; $atom_structure['image_mime'] = 'image/jpeg'; $atom_structure['description'] = $atomname == 'NCTH' ? 'Nikon Camera Thumbnail Image' : ($atomname == 'NCVW' ? 'Nikon Camera Preview Image' : 'Nikon preview image'); $info['quicktime']['comments']['picture'][] = array('image_mime' => $atom_structure['image_mime'], 'data' => $atom_data, 'description' => $atom_structure['description']); } break; case 'NCTG': // Nikon - http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html#NCTG $atom_structure['data'] = $this->QuicktimeParseNikonNCTG($atom_data); break; case 'NCHD': // Nikon:MakerNoteVersion - http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html // Nikon:MakerNoteVersion - http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html case 'NCDB': // Nikon - http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html // Nikon - http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html case 'CNCV': // Canon:CompressorVersion - http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Canon.html $atom_structure['data'] = $atom_data; break; case "": case 'meta': // METAdata atom // some kind of metacontainer, may contain a big data dump such as: // mdta keys mdtacom.apple.quicktime.make (mdtacom.apple.quicktime.creationdate ,mdtacom.apple.quicktime.location.ISO6709 $mdtacom.apple.quicktime.software !mdtacom.apple.quicktime.model ilst data DEApple 0 (data DE2011-05-11T17:54:04+0200 2 *data DE+52.4936+013.3897+040.247/ data DE4.3.1 data DEiPhone 4 // http://www.geocities.com/xhelmboyx/quicktime/formats/qti-layout.txt $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom(substr($atom_data, 4), $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); //$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); break; case 'data': // metaDATA atom // seems to be 2 bytes language code (ASCII), 2 bytes unknown (set to 0x10B5 in sample I have), remainder is useful data $atom_structure['language'] = substr($atom_data, 4 + 0, 2); $atom_structure['unknown'] = getid3_lib::BigEndian2Int(substr($atom_data, 4 + 2, 2)); $atom_structure['data'] = substr($atom_data, 4 + 4); break; default: $info['warning'][] = 'Unknown QuickTime atom type: "' . $atomname . '" (' . trim(getid3_lib::PrintHexBytes($atomname)) . ') at offset ' . $baseoffset; $atom_structure['data'] = $atom_data; break; } array_pop($atomHierarchy); return $atom_structure; }
public function Analyze() { $getid3 = $this->getid3; $info =& $getid3->info; $getid3->include_module('audio.mp3'); $info['quicktime'] = array(); $info_quicktime =& $info['quicktime']; $info['fileformat'] = 'quicktime'; $info_quicktime['hinting'] = false; fseek($getid3->fp, $info['avdataoffset'], SEEK_SET); $offset = $atom_counter = 0; while ($offset < $info['avdataend']) { fseek($getid3->fp, $offset, SEEK_SET); $atom_header = fread($getid3->fp, 8); $atom_size = getid3_lib::BigEndian2Int(substr($atom_header, 0, 4)); $atom_name = substr($atom_header, 4, 4); $info_quicktime[$atom_name]['name'] = $atom_name; $info_quicktime[$atom_name]['size'] = $atom_size; $info_quicktime[$atom_name]['offset'] = $offset; if ($offset + $atom_size > $info['avdataend']) { throw new getid3_exception('Atom at offset ' . $offset . ' claims to go beyond end-of-file (length: ' . $atom_size . ' bytes)'); } if ($atom_size == 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 ($atom_name) { case 'mdat': // Media DATa atom // 'mdat' contains the actual data for the audio/video if ($atom_size > 8 && (!isset($info['avdataend_tmp']) || $info_quicktime[$atom_name]['size'] > $info['avdataend_tmp'] - $info['avdataoffset'])) { $info['avdataoffset'] = $info_quicktime[$atom_name]['offset'] + 8; $old_av_data_end = $info['avdataend']; $info['avdataend'] = $info_quicktime[$atom_name]['offset'] + $info_quicktime[$atom_name]['size']; //// MP3 if (!$getid3->include_module_optional('audio.mp3')) { $getid3->warning('MP3 skipped because mpeg module is missing.'); } else { // Clone getid3 - messing with offsets - better safe than sorry $clone = clone $getid3; if (getid3_mp3::MPEGaudioHeaderValid(getid3_mp3::MPEGaudioHeaderDecode(fread($clone->fp, 4)))) { $mp3 = new getid3_mp3($clone); $mp3->AnalyzeMPEGaudioInfo(); // Import from clone and destroy if (isset($clone->info['mpeg']['audio'])) { $info['mpeg']['audio'] = $clone->info['mpeg']['audio']; $info['audio']['dataformat'] = 'mp3'; $info['audio']['codec'] = !empty($info['mpeg']['audio']['encoder']) ? $info['mpeg']['audio']['encoder'] : (!empty($info['mpeg']['audio']['codec']) ? $info['mpeg']['audio']['codec'] : (!empty($info['mpeg']['audio']['LAME']) ? 'LAME' : 'mp3')); $info['audio']['sample_rate'] = $info['mpeg']['audio']['sample_rate']; $info['audio']['channels'] = $info['mpeg']['audio']['channels']; $info['audio']['bitrate'] = $info['mpeg']['audio']['bitrate']; $info['audio']['bitrate_mode'] = strtolower($info['mpeg']['audio']['bitrate_mode']); $info['bitrate'] = $info['audio']['bitrate']; $getid3->warning($clone->warnings()); unset($clone); } } } $info['avdataend'] = $old_av_data_end; unset($old_av_data_end); } break; case 'free': // FREE space atom // FREE space atom case 'skip': // SKIP atom // SKIP atom case 'wide': // 64-bit expansion placeholder atom // 'free', 'skip' and 'wide' are just padding, contains no useful data at all break; default: $atom_hierarchy = array(); $info_quicktime[$atom_name] = $this->QuicktimeParseAtom($atom_name, $atom_size, fread($getid3->fp, $atom_size), $offset, $atom_hierarchy); break; } $offset += $atom_size; $atom_counter++; } if (!empty($info['avdataend_tmp'])) { // this value is assigned to a temp value and then erased because // otherwise any atoms beyond the 'mdat' atom would not get parsed $info['avdataend'] = $info['avdataend_tmp']; unset($info['avdataend_tmp']); } if (!isset($info['bitrate']) && isset($info['playtime_seconds'])) { $info['bitrate'] = ($info['avdataend'] - $info['avdataoffset']) * 8 / $info['playtime_seconds']; } if (isset($info['bitrate']) && !isset($info['audio']['bitrate']) && !isset($info_quicktime['video'])) { $info['audio']['bitrate'] = $info['bitrate']; } if (@$info['audio']['dataformat'] == 'mp4' && empty($info['video']['resolution_x'])) { $info['fileformat'] = 'mp4'; $info['mime_type'] = 'audio/mp4'; unset($info['video']['dataformat']); } if (!$getid3->option_extra_info) { unset($info_quicktime['moov']); } if (empty($info['audio']['dataformat']) && !empty($info_quicktime['audio'])) { $info['audio']['dataformat'] = 'quicktime'; } if (empty($info['video']['dataformat']) && !empty($info_quicktime['video'])) { $info['video']['dataformat'] = 'quicktime'; } return true; }
function getid3_quicktime(&$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 jlegate�ktnc*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 // FREE space atom case 'skip': // SKIP atom // 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 Analyze() { $info =& $this->getid3->info; $info['fileformat'] = 'quicktime'; $info['quicktime']['hinting'] = false; $info['quicktime']['controller'] = 'standard'; // may be overridden if 'ctyp' atom is present fseek($this->getid3->fp, $info['avdataoffset'], SEEK_SET); $offset = 0; $atomcounter = 0; while ($offset < $info['avdataend']) { if (!getid3_lib::intValueSupported($offset)) { $info['error'][] = 'Unable to parse atom at offset ' . $offset . ' because beyond ' . round(PHP_INT_MAX / 1073741824) . 'GB limit of PHP filesystem functions'; break; } fseek($this->getid3->fp, $offset, SEEK_SET); $AtomHeader = fread($this->getid3->fp, 8); $atomsize = getid3_lib::BigEndian2Int(substr($AtomHeader, 0, 4)); $atomname = substr($AtomHeader, 4, 4); // 64-bit MOV patch by jlegateØktnc*com if ($atomsize == 1) { $atomsize = getid3_lib::BigEndian2Int(fread($this->getid3->fp, 8)); } $info['quicktime'][$atomname]['name'] = $atomname; $info['quicktime'][$atomname]['size'] = $atomsize; $info['quicktime'][$atomname]['offset'] = $offset; if ($offset + $atomsize > $info['avdataend']) { $info['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($info['avdataend_tmp']) || $info['quicktime'][$atomname]['size'] > $info['avdataend_tmp'] - $info['avdataoffset'])) { $info['avdataoffset'] = $info['quicktime'][$atomname]['offset'] + 8; $OldAVDataEnd = $info['avdataend']; $info['avdataend'] = $info['quicktime'][$atomname]['offset'] + $info['quicktime'][$atomname]['size']; $getid3_temp = new getID3(); $getid3_temp->openfile($this->getid3->filename); $getid3_temp->info['avdataoffset'] = $info['avdataoffset']; $getid3_temp->info['avdataend'] = $info['avdataend']; $getid3_mp3 = new getid3_mp3($getid3_temp); if ($getid3_mp3->MPEGaudioHeaderValid($getid3_mp3->MPEGaudioHeaderDecode(fread($this->getid3->fp, 4)))) { $getid3_mp3->getOnlyMPEGaudioInfo($getid3_temp->info['avdataoffset'], false); if (!empty($getid3_temp->info['warning'])) { foreach ($getid3_temp->info['warning'] as $value) { $info['warning'][] = $value; } } if (!empty($getid3_temp->info['mpeg'])) { $info['mpeg'] = $getid3_temp->info['mpeg']; if (isset($info['mpeg']['audio'])) { $info['audio']['dataformat'] = 'mp3'; $info['audio']['codec'] = !empty($info['mpeg']['audio']['encoder']) ? $info['mpeg']['audio']['encoder'] : (!empty($info['mpeg']['audio']['codec']) ? $info['mpeg']['audio']['codec'] : (!empty($info['mpeg']['audio']['LAME']) ? 'LAME' : 'mp3')); $info['audio']['sample_rate'] = $info['mpeg']['audio']['sample_rate']; $info['audio']['channels'] = $info['mpeg']['audio']['channels']; $info['audio']['bitrate'] = $info['mpeg']['audio']['bitrate']; $info['audio']['bitrate_mode'] = strtolower($info['mpeg']['audio']['bitrate_mode']); $info['bitrate'] = $info['audio']['bitrate']; } } } unset($getid3_mp3, $getid3_temp); $info['avdataend'] = $OldAVDataEnd; unset($OldAVDataEnd); } break; case 'free': // FREE space atom // FREE space atom case 'skip': // SKIP atom // 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(); $info['quicktime'][$atomname] = $this->QuicktimeParseAtom($atomname, $atomsize, fread($this->getid3->fp, $atomsize), $offset, $atomHierarchy, $this->ParseAllPossibleAtoms); break; } $offset += $atomsize; $atomcounter++; } if (!empty($info['avdataend_tmp'])) { // this value is assigned to a temp value and then erased because // otherwise any atoms beyond the 'mdat' atom would not get parsed $info['avdataend'] = $info['avdataend_tmp']; unset($info['avdataend_tmp']); } if (!isset($info['bitrate']) && isset($info['playtime_seconds'])) { $info['bitrate'] = ($info['avdataend'] - $info['avdataoffset']) * 8 / $info['playtime_seconds']; } if (isset($info['bitrate']) && !isset($info['audio']['bitrate']) && !isset($info['quicktime']['video'])) { $info['audio']['bitrate'] = $info['bitrate']; } if (!empty($info['playtime_seconds']) && !isset($info['video']['frame_rate']) && !empty($info['quicktime']['stts_framecount'])) { foreach ($info['quicktime']['stts_framecount'] as $key => $samples_count) { $samples_per_second = $samples_count / $info['playtime_seconds']; if ($samples_per_second > 240) { // has to be audio samples } else { $info['video']['frame_rate'] = $samples_per_second; break; } } } if ($info['audio']['dataformat'] == 'mp4' && empty($info['video']['resolution_x'])) { $info['fileformat'] = 'mp4'; $info['mime_type'] = 'audio/mp4'; unset($info['video']['dataformat']); } if (!$this->ReturnAtomData) { unset($info['quicktime']['moov']); } if (empty($info['audio']['dataformat']) && !empty($info['quicktime']['audio'])) { $info['audio']['dataformat'] = 'quicktime'; } if (empty($info['video']['dataformat']) && !empty($info['quicktime']['video'])) { $info['video']['dataformat'] = 'quicktime'; } return true; }