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<?php if (!defined('GETID3_INCLUDEPATH')) { exit; } define('EBML_ID_CHAPTERS', 0x43a770); define('EBML_ID_SEEKHEAD', 0x14d9b74); define('EBML_ID_TAGS', 0x254c367); define('EBML_ID_INFO', 0x549a966); define('EBML_ID_TRACKS', 0x654ae6b); define('EBML_ID_SEGMENT', 0x8538067); define('EBML_ID_ATTACHMENTS', 0x941a469); define('EBML_ID_EBML', 0xa45dfa3); define('EBML_ID_CUES', 0xc53bb6b); define('EBML_ID_CLUSTER', 0xf43b675); define('EBML_ID_LANGUAGE', 0x2b59c); define('EBML_ID_TRACKTIMECODESCALE', 0x3314f); define('EBML_ID_DEFAULTDURATION', 0x3e383); define('EBML_ID_CODECNAME', 0x58688); define('EBML_ID_CODECDOWNLOADURL', 0x6b240); define('EBML_ID_TIMECODESCALE', 0xad7b1); define('EBML_ID_COLOURSPACE', 0xeb524); define('EBML_ID_GAMMAVALUE', 0xfb523); define('EBML_ID_CODECSETTINGS', 0x1a9697); define('EBML_ID_CODECINFOURL', 0x1b4040); define('EBML_ID_PREVFILENAME', 0x1c83ab); define('EBML_ID_PREVUID', 0x1cb923); define('EBML_ID_NEXTFILENAME', 0x1e83bb); define('EBML_ID_NEXTUID', 0x1eb923); define('EBML_ID_CONTENTCOMPALGO', 0x254); define('EBML_ID_CONTENTCOMPSETTINGS', 0x255); define('EBML_ID_DOCTYPE', 0x282); define('EBML_ID_DOCTYPEREADVERSION', 0x285); define('EBML_ID_EBMLVERSION', 0x286); define('EBML_ID_DOCTYPEVERSION', 0x287); define('EBML_ID_EBMLMAXIDLENGTH', 0x2f2); define('EBML_ID_EBMLMAXSIZELENGTH', 0x2f3); define('EBML_ID_EBMLREADVERSION', 0x2f7); define('EBML_ID_CHAPLANGUAGE', 0x37c); define('EBML_ID_CHAPCOUNTRY', 0x37e); define('EBML_ID_SEGMENTFAMILY', 0x444); define('EBML_ID_DATEUTC', 0x461); define('EBML_ID_TAGLANGUAGE', 0x47a); define('EBML_ID_TAGDEFAULT', 0x484); define('EBML_ID_TAGBINARY', 0x485); define('EBML_ID_TAGSTRING', 0x487); define('EBML_ID_DURATION', 0x489); define('EBML_ID_CHAPPROCESSPRIVATE', 0x50d); define('EBML_ID_CHAPTERFLAGENABLED', 0x598); define('EBML_ID_TAGNAME', 0x5a3); define('EBML_ID_EDITIONENTRY', 0x5b9); define('EBML_ID_EDITIONUID', 0x5bc); define('EBML_ID_EDITIONFLAGHIDDEN', 0x5bd); define('EBML_ID_EDITIONFLAGDEFAULT', 0x5db); define('EBML_ID_EDITIONFLAGORDERED', 0x5dd); define('EBML_ID_FILEDATA', 0x65c); define('EBML_ID_FILEMIMETYPE', 0x660); define('EBML_ID_FILENAME', 0x66e); define('EBML_ID_FILEREFERRAL', 0x675); define('EBML_ID_FILEDESCRIPTION', 0x67e); define('EBML_ID_FILEUID', 0x6ae); define('EBML_ID_CONTENTENCALGO', 0x7e1); define('EBML_ID_CONTENTENCKEYID', 0x7e2); define('EBML_ID_CONTENTSIGNATURE', 0x7e3); define('EBML_ID_CONTENTSIGKEYID', 0x7e4); define('EBML_ID_CONTENTSIGALGO', 0x7e5); define('EBML_ID_CONTENTSIGHASHALGO', 0x7e6); define('EBML_ID_MUXINGAPP', 0xd80); define('EBML_ID_SEEK', 0xdbb); define('EBML_ID_CONTENTENCODINGORDER', 0x1031); define('EBML_ID_CONTENTENCODINGSCOPE', 0x1032); define('EBML_ID_CONTENTENCODINGTYPE', 0x1033); define('EBML_ID_CONTENTCOMPRESSION', 0x1034); define('EBML_ID_CONTENTENCRYPTION', 0x1035); define('EBML_ID_CUEREFNUMBER', 0x135f); define('EBML_ID_NAME', 0x136e); define('EBML_ID_CUEBLOCKNUMBER', 0x1378); define('EBML_ID_TRACKOFFSET', 0x137f); define('EBML_ID_SEEKID', 0x13ab); define('EBML_ID_SEEKPOSITION', 0x13ac); define('EBML_ID_STEREOMODE', 0x13b8); define('EBML_ID_OLDSTEREOMODE', 0x13b9); define('EBML_ID_PIXELCROPBOTTOM', 0x14aa); define('EBML_ID_DISPLAYWIDTH', 0x14b0); define('EBML_ID_DISPLAYUNIT', 0x14b2); define('EBML_ID_ASPECTRATIOTYPE', 0x14b3); define('EBML_ID_DISPLAYHEIGHT', 0x14ba); define('EBML_ID_PIXELCROPTOP', 0x14bb); define('EBML_ID_PIXELCROPLEFT', 0x14cc); define('EBML_ID_PIXELCROPRIGHT', 0x14dd); define('EBML_ID_FLAGFORCED', 0x15aa); define('EBML_ID_MAXBLOCKADDITIONID', 0x15ee); define('EBML_ID_WRITINGAPP', 0x1741); define('EBML_ID_CLUSTERSILENTTRACKS', 0x1854); define('EBML_ID_CLUSTERSILENTTRACKNUMBER', 0x18d7); define('EBML_ID_ATTACHEDFILE', 0x21a7); define('EBML_ID_CONTENTENCODING', 0x2240); define('EBML_ID_BITDEPTH', 0x2264); define('EBML_ID_CODECPRIVATE', 0x23a2); define('EBML_ID_TARGETS', 0x23c0); define('EBML_ID_CHAPTERPHYSICALEQUIV', 0x23c3); define('EBML_ID_TAGCHAPTERUID', 0x23c4); define('EBML_ID_TAGTRACKUID', 0x23c5); define('EBML_ID_TAGATTACHMENTUID', 0x23c6); define('EBML_ID_TAGEDITIONUID', 0x23c9); define('EBML_ID_TARGETTYPE', 0x23ca); define('EBML_ID_TRACKTRANSLATE', 0x2624); define('EBML_ID_TRACKTRANSLATETRACKID', 0x26a5); define('EBML_ID_TRACKTRANSLATECODEC', 0x26bf); define('EBML_ID_TRACKTRANSLATEEDITIONUID', 0x26fc); define('EBML_ID_SIMPLETAG', 0x27c8); define('EBML_ID_TARGETTYPEVALUE', 0x28ca); define('EBML_ID_CHAPPROCESSCOMMAND', 0x2911); define('EBML_ID_CHAPPROCESSTIME', 0x2922); define('EBML_ID_CHAPTERTRANSLATE', 0x2924); define('EBML_ID_CHAPPROCESSDATA', 0x2933); define('EBML_ID_CHAPPROCESS', 0x2944); define('EBML_ID_CHAPPROCESSCODECID', 0x2955); define('EBML_ID_CHAPTERTRANSLATEID', 0x29a5); define('EBML_ID_CHAPTERTRANSLATECODEC', 0x29bf); define('EBML_ID_CHAPTERTRANSLATEEDITIONUID', 0x29fc); define('EBML_ID_CONTENTENCODINGS', 0x2d80); define('EBML_ID_MINCACHE', 0x2de7); define('EBML_ID_MAXCACHE', 0x2df8); define('EBML_ID_CHAPTERSEGMENTUID', 0x2e67); define('EBML_ID_CHAPTERSEGMENTEDITIONUID', 0x2ebc); define('EBML_ID_TRACKOVERLAY', 0x2fab); define('EBML_ID_TAG', 0x3373); define('EBML_ID_SEGMENTFILENAME', 0x3384); define('EBML_ID_SEGMENTUID', 0x33a4); define('EBML_ID_CHAPTERUID', 0x33c4); define('EBML_ID_TRACKUID', 0x33c5); define('EBML_ID_ATTACHMENTLINK', 0x3446); define('EBML_ID_CLUSTERBLOCKADDITIONS', 0x35a1); define('EBML_ID_CHANNELPOSITIONS', 0x347b); define('EBML_ID_OUTPUTSAMPLINGFREQUENCY', 0x38b5); define('EBML_ID_TITLE', 0x3ba9); define('EBML_ID_CHAPTERDISPLAY', 0x0); define('EBML_ID_TRACKTYPE', 0x3); define('EBML_ID_CHAPSTRING', 0x5); define('EBML_ID_CODECID', 0x6); define('EBML_ID_FLAGDEFAULT', 0x8); define('EBML_ID_CHAPTERTRACKNUMBER', 0x9); define('EBML_ID_CLUSTERSLICES', 0xe); define('EBML_ID_CHAPTERTRACK', 0xf); define('EBML_ID_CHAPTERTIMESTART', 0x11); define('EBML_ID_CHAPTERTIMEEND', 0x12); define('EBML_ID_CUEREFTIME', 0x16); define('EBML_ID_CUEREFCLUSTER', 0x17); define('EBML_ID_CHAPTERFLAGHIDDEN', 0x18); define('EBML_ID_FLAGINTERLACED', 0x1a); define('EBML_ID_CLUSTERBLOCKDURATION', 0x1b); define('EBML_ID_FLAGLACING', 0x1c); define('EBML_ID_CHANNELS', 0x1f); define('EBML_ID_CLUSTERBLOCKGROUP', 0x20); define('EBML_ID_CLUSTERBLOCK', 0x21); define('EBML_ID_CLUSTERBLOCKVIRTUAL', 0x22); define('EBML_ID_CLUSTERSIMPLEBLOCK', 0x23); define('EBML_ID_CLUSTERCODECSTATE', 0x24); define('EBML_ID_CLUSTERBLOCKADDITIONAL', 0x25); define('EBML_ID_CLUSTERBLOCKMORE', 0x26); define('EBML_ID_CLUSTERPOSITION', 0x27); define('EBML_ID_CODECDECODEALL', 0x2a); define('EBML_ID_CLUSTERPREVSIZE', 0x2b); define('EBML_ID_TRACKENTRY', 0x2e); define('EBML_ID_CLUSTERENCRYPTEDBLOCK', 0x2f); define('EBML_ID_PIXELWIDTH', 0x30); define('EBML_ID_CUETIME', 0x33); define('EBML_ID_SAMPLINGFREQUENCY', 0x35); define('EBML_ID_CHAPTERATOM', 0x36); define('EBML_ID_CUETRACKPOSITIONS', 0x37); define('EBML_ID_FLAGENABLED', 0x39); define('EBML_ID_PIXELHEIGHT', 0x3a); define('EBML_ID_CUEPOINT', 0x3b); define('EBML_ID_CRC32', 0x3f); define('EBML_ID_CLUSTERBLOCKADDITIONID', 0x4b); define('EBML_ID_CLUSTERLACENUMBER', 0x4c); define('EBML_ID_CLUSTERFRAMENUMBER', 0x4d); define('EBML_ID_CLUSTERDELAY', 0x4e); define('EBML_ID_CLUSTERDURATION', 0x4f); define('EBML_ID_TRACKNUMBER', 0x57); define('EBML_ID_CUEREFERENCE', 0x5b); define('EBML_ID_VIDEO', 0x60); define('EBML_ID_AUDIO', 0x61); define('EBML_ID_CLUSTERTIMESLICE', 0x68); define('EBML_ID_CUECODECSTATE', 0x6a); define('EBML_ID_CUEREFCODECSTATE', 0x6b); define('EBML_ID_VOID', 0x6c); define('EBML_ID_CLUSTERTIMECODE', 0x67); define('EBML_ID_CLUSTERBLOCKADDID', 0x6e); define('EBML_ID_CUECLUSTERPOSITION', 0x71); define('EBML_ID_CUETRACK', 0x77); define('EBML_ID_CLUSTERREFERENCEPRIORITY', 0x7a); define('EBML_ID_CLUSTERREFERENCEBLOCK', 0x7b); define('EBML_ID_CLUSTERREFERENCEVIRTUAL', 0x7d); class getid3_matroska extends getid3_handler { public static $hide_clusters = true; public static $parse_whole_file = false; private $EBMLbuffer = ''; private $EBMLbuffer_offset = 0; private $EBMLbuffer_length = 0; private $current_offset = 0; private $unuseful_elements = array(EBML_ID_CRC32, EBML_ID_VOID); public function Analyze() { $info =& $this->getid3->info; try { $this->parseEBML($info); } catch (Exception $e) { $this->error('EBML parser: ' . $e->getMessage()); } if (isset($info['matroska']['info']) && is_array($info['matroska']['info'])) { foreach ($info['matroska']['info'] as $key => $infoarray) { if (isset($infoarray['Duration'])) { $info['playtime_seconds'] = $infoarray['Duration'] * ((isset($infoarray['TimecodeScale']) ? $infoarray['TimecodeScale'] : 1000000) / 1000000000); break; } } } if (isset($info['matroska']['tags']) && is_array($info['matroska']['tags'])) { foreach ($info['matroska']['tags'] as $key => $infoarray) { $this->ExtractCommentsSimpleTag($infoarray); } } if (isset($info['matroska']['tracks']['tracks']) && is_array($info['matroska']['tracks']['tracks'])) { foreach ($info['matroska']['tracks']['tracks'] as $key => $trackarray) { $track_info = array(); $track_info['dataformat'] = self::CodecIDtoCommonName($trackarray['CodecID']); $track_info['default'] = isset($trackarray['FlagDefault']) ? $trackarray['FlagDefault'] : true; if (isset($trackarray['Name'])) { $track_info['name'] = $trackarray['Name']; } switch ($trackarray['TrackType']) { case 1: $track_info['resolution_x'] = $trackarray['PixelWidth']; $track_info['resolution_y'] = $trackarray['PixelHeight']; $track_info['display_unit'] = self::displayUnit(isset($trackarray['DisplayUnit']) ? $trackarray['DisplayUnit'] : 0); $track_info['display_x'] = isset($trackarray['DisplayWidth']) ? $trackarray['DisplayWidth'] : $trackarray['PixelWidth']; $track_info['display_y'] = isset($trackarray['DisplayHeight']) ? $trackarray['DisplayHeight'] : $trackarray['PixelHeight']; if (isset($trackarray['PixelCropBottom'])) { $track_info['crop_bottom'] = $trackarray['PixelCropBottom']; } if (isset($trackarray['PixelCropTop'])) { $track_info['crop_top'] = $trackarray['PixelCropTop']; } if (isset($trackarray['PixelCropLeft'])) { $track_info['crop_left'] = $trackarray['PixelCropLeft']; } if (isset($trackarray['PixelCropRight'])) { $track_info['crop_right'] = $trackarray['PixelCropRight']; } if (isset($trackarray['DefaultDuration'])) { $track_info['frame_rate'] = round(1000000000 / $trackarray['DefaultDuration'], 3); } if (isset($trackarray['CodecName'])) { $track_info['codec'] = $trackarray['CodecName']; } switch ($trackarray['CodecID']) { case 'V_MS/VFW/FOURCC': getid3_lib::IncludeDependency(GETID3_INCLUDEPATH . 'module.audio-video.riff.php', __FILE__, true); $parsed = getid3_riff::ParseBITMAPINFOHEADER($trackarray['CodecPrivate']); $track_info['codec'] = getid3_riff::fourccLookup($parsed['fourcc']); $info['matroska']['track_codec_parsed'][$trackarray['TrackNumber']] = $parsed; break; } $info['video']['streams'][$trackarray['TrackUID']] = $track_info; break; case 2: $track_info['sample_rate'] = isset($trackarray['SamplingFrequency']) ? $trackarray['SamplingFrequency'] : 8000.0; $track_info['channels'] = isset($trackarray['Channels']) ? $trackarray['Channels'] : 1; $track_info['language'] = isset($trackarray['Language']) ? $trackarray['Language'] : 'eng'; if (isset($trackarray['BitDepth'])) { $track_info['bits_per_sample'] = $trackarray['BitDepth']; } if (isset($trackarray['CodecName'])) { $track_info['codec'] = $trackarray['CodecName']; } switch ($trackarray['CodecID']) { case 'A_PCM/INT/LIT': case 'A_PCM/INT/BIG': $track_info['bitrate'] = $track_info['sample_rate'] * $track_info['channels'] * $trackarray['BitDepth']; break; case 'A_AC3': case 'A_EAC3': case 'A_DTS': case 'A_MPEG/L3': case 'A_MPEG/L2': case 'A_FLAC': $module_dataformat = $track_info['dataformat'] == 'mp2' ? 'mp3' : ($track_info['dataformat'] == 'eac3' ? 'ac3' : $track_info['dataformat']); getid3_lib::IncludeDependency(GETID3_INCLUDEPATH . 'module.audio.' . $module_dataformat . '.php', __FILE__, true); if (!isset($info['matroska']['track_data_offsets'][$trackarray['TrackNumber']])) { $this->warning('Unable to parse audio data [' . basename(__FILE__) . ':' . __LINE__ . '] because $info[matroska][track_data_offsets][' . $trackarray['TrackNumber'] . '] not set'); break; } $getid3_temp = new getID3(); if ($track_info['dataformat'] != 'flac') { $getid3_temp->openfile($this->getid3->filename, $this->getid3->info['filesize'], $this->getid3->fp); } $getid3_temp->info['avdataoffset'] = $info['matroska']['track_data_offsets'][$trackarray['TrackNumber']]['offset']; if ($track_info['dataformat'][0] == 'm' || $track_info['dataformat'] == 'flac') { $getid3_temp->info['avdataend'] = $info['matroska']['track_data_offsets'][$trackarray['TrackNumber']]['offset'] + $info['matroska']['track_data_offsets'][$trackarray['TrackNumber']]['length']; } $class = 'getid3_' . $module_dataformat; $header_data_key = $track_info['dataformat'][0] == 'm' ? 'mpeg' : $track_info['dataformat']; $getid3_audio = new $class($getid3_temp, __CLASS__); if ($track_info['dataformat'] == 'flac') { $getid3_audio->AnalyzeString($trackarray['CodecPrivate']); } else { $getid3_audio->Analyze(); } if (!empty($getid3_temp->info[$header_data_key])) { $info['matroska']['track_codec_parsed'][$trackarray['TrackNumber']] = $getid3_temp->info[$header_data_key]; if (isset($getid3_temp->info['audio']) && is_array($getid3_temp->info['audio'])) { foreach ($getid3_temp->info['audio'] as $sub_key => $value) { $track_info[$sub_key] = $value; } } } else { $this->warning('Unable to parse audio data [' . basename(__FILE__) . ':' . __LINE__ . '] because ' . $class . '::Analyze() failed at offset ' . $getid3_temp->info['avdataoffset']); } if (!empty($getid3_temp->info['error'])) { foreach ($getid3_temp->info['error'] as $newerror) { $this->warning($class . '() says: [' . $newerror . ']'); } } if (!empty($getid3_temp->info['warning'])) { foreach ($getid3_temp->info['warning'] as $newerror) { $this->warning($class . '() says: [' . $newerror . ']'); } } unset($getid3_temp, $getid3_audio); break; case 'A_AAC': case 'A_AAC/MPEG2/LC': case 'A_AAC/MPEG2/LC/SBR': case 'A_AAC/MPEG4/LC': case 'A_AAC/MPEG4/LC/SBR': $this->warning($trackarray['CodecID'] . ' audio data contains no header, audio/video bitrates can\'t be calculated'); break; case 'A_VORBIS': if (!isset($trackarray['CodecPrivate'])) { $this->warning('Unable to parse audio data [' . basename(__FILE__) . ':' . __LINE__ . '] because CodecPrivate data not set'); break; } $vorbis_offset = strpos($trackarray['CodecPrivate'], 'vorbis', 1); if ($vorbis_offset === false) { $this->warning('Unable to parse audio data [' . basename(__FILE__) . ':' . __LINE__ . '] because CodecPrivate data does not contain "vorbis" keyword'); break; } $vorbis_offset -= 1; getid3_lib::IncludeDependency(GETID3_INCLUDEPATH . 'module.audio.ogg.php', __FILE__, true); $getid3_temp = new getID3(); $getid3_ogg = new getid3_ogg($getid3_temp); $oggpageinfo['page_seqno'] = 0; $getid3_ogg->ParseVorbisPageHeader($trackarray['CodecPrivate'], $vorbis_offset, $oggpageinfo); if (!empty($getid3_temp->info['ogg'])) { $info['matroska']['track_codec_parsed'][$trackarray['TrackNumber']] = $getid3_temp->info['ogg']; if (isset($getid3_temp->info['audio']) && is_array($getid3_temp->info['audio'])) { foreach ($getid3_temp->info['audio'] as $sub_key => $value) { $track_info[$sub_key] = $value; } } } if (!empty($getid3_temp->info['error'])) { foreach ($getid3_temp->info['error'] as $newerror) { $this->warning('getid3_ogg() says: [' . $newerror . ']'); } } if (!empty($getid3_temp->info['warning'])) { foreach ($getid3_temp->info['warning'] as $newerror) { $this->warning('getid3_ogg() says: [' . $newerror . ']'); } } if (!empty($getid3_temp->info['ogg']['bitrate_nominal'])) { $track_info['bitrate'] = $getid3_temp->info['ogg']['bitrate_nominal']; } unset($getid3_temp, $getid3_ogg, $oggpageinfo, $vorbis_offset); break; case 'A_MS/ACM': getid3_lib::IncludeDependency(GETID3_INCLUDEPATH . 'module.audio-video.riff.php', __FILE__, true); $parsed = getid3_riff::parseWAVEFORMATex($trackarray['CodecPrivate']); foreach ($parsed as $sub_key => $value) { if ($sub_key != 'raw') { $track_info[$sub_key] = $value; } } $info['matroska']['track_codec_parsed'][$trackarray['TrackNumber']] = $parsed; break; default: $this->warning('Unhandled audio type "' . (isset($trackarray['CodecID']) ? $trackarray['CodecID'] : '') . '"'); break; } $info['audio']['streams'][$trackarray['TrackUID']] = $track_info; break; } } if (!empty($info['video']['streams'])) { $info['video'] = self::getDefaultStreamInfo($info['video']['streams']); } if (!empty($info['audio']['streams'])) { $info['audio'] = self::getDefaultStreamInfo($info['audio']['streams']); } } if (isset($info['matroska']['attachments']) && $this->getid3->option_save_attachments !== getID3::ATTACHMENTS_NONE) { foreach ($info['matroska']['attachments'] as $i => $entry) { if (strpos($entry['FileMimeType'], 'image/') === 0 && !empty($entry['FileData'])) { $info['matroska']['comments']['picture'][] = array('data' => $entry['FileData'], 'image_mime' => $entry['FileMimeType'], 'filename' => $entry['FileName']); } } } if (!empty($info['video']['streams'])) { $info['mime_type'] = $info['matroska']['doctype'] == 'webm' ? 'video/webm' : 'video/x-matroska'; } elseif (!empty($info['audio']['streams'])) { $info['mime_type'] = $info['matroska']['doctype'] == 'webm' ? 'audio/webm' : 'audio/x-matroska'; } elseif (isset($info['mime_type'])) { unset($info['mime_type']); } if (!empty($info['matroska']['tags'])) { $_STATISTICS_byTrackUID = array(); foreach ($info['matroska']['tags'] as $key1 => $value1) { if (!empty($value1['Targets']['TagTrackUID'][0]) && !empty($value1['SimpleTag'])) { foreach ($value1['SimpleTag'] as $key2 => $value2) { if (!empty($value2['TagName']) && isset($value2['TagString'])) { $_STATISTICS_byTrackUID[$value1['Targets']['TagTrackUID'][0]][$value2['TagName']] = $value2['TagString']; } } } } foreach (array('audio', 'video') as $avtype) { if (!empty($info[$avtype]['streams'])) { foreach ($info[$avtype]['streams'] as $trackUID => $trackdata) { if (!isset($trackdata['bitrate']) && !empty($_STATISTICS_byTrackUID[$trackUID]['BPS'])) { $info[$avtype]['streams'][$trackUID]['bitrate'] = (int) $_STATISTICS_byTrackUID[$trackUID]['BPS']; @($info[$avtype]['bitrate'] += $info[$avtype]['streams'][$trackUID]['bitrate']); } } } } } return true; } private function parseEBML(&$info) { $this->current_offset = $info['avdataoffset']; while ($this->getEBMLelement($top_element, $info['avdataend'])) { switch ($top_element['id']) { case EBML_ID_EBML: $info['matroska']['header']['offset'] = $top_element['offset']; $info['matroska']['header']['length'] = $top_element['length']; while ($this->getEBMLelement($element_data, $top_element['end'], true)) { switch ($element_data['id']) { case EBML_ID_EBMLVERSION: case EBML_ID_EBMLREADVERSION: case EBML_ID_EBMLMAXIDLENGTH: case EBML_ID_EBMLMAXSIZELENGTH: case EBML_ID_DOCTYPEVERSION: case EBML_ID_DOCTYPEREADVERSION: $element_data['data'] = getid3_lib::BigEndian2Int($element_data['data']); break; case EBML_ID_DOCTYPE: $element_data['data'] = getid3_lib::trimNullByte($element_data['data']); $info['matroska']['doctype'] = $element_data['data']; $info['fileformat'] = $element_data['data']; break; default: $this->unhandledElement('header', __LINE__, $element_data); break; } unset($element_data['offset'], $element_data['end']); $info['matroska']['header']['elements'][] = $element_data; } break; case EBML_ID_SEGMENT: $info['matroska']['segment'][0]['offset'] = $top_element['offset']; $info['matroska']['segment'][0]['length'] = $top_element['length']; while ($this->getEBMLelement($element_data, $top_element['end'])) { if ($element_data['id'] != EBML_ID_CLUSTER || !self::$hide_clusters) { $info['matroska']['segments'][] = $element_data; } switch ($element_data['id']) { case EBML_ID_SEEKHEAD: while ($this->getEBMLelement($seek_entry, $element_data['end'])) { switch ($seek_entry['id']) { case EBML_ID_SEEK: while ($this->getEBMLelement($sub_seek_entry, $seek_entry['end'], true)) { switch ($sub_seek_entry['id']) { case EBML_ID_SEEKID: $seek_entry['target_id'] = self::EBML2Int($sub_seek_entry['data']); $seek_entry['target_name'] = self::EBMLidName($seek_entry['target_id']); break; case EBML_ID_SEEKPOSITION: $seek_entry['target_offset'] = $element_data['offset'] + getid3_lib::BigEndian2Int($sub_seek_entry['data']); break; default: $this->unhandledElement('seekhead.seek', __LINE__, $sub_seek_entry); } break; } if (!isset($seek_entry['target_id'])) { $this->warning('seek_entry[target_id] unexpectedly not set at ' . $seek_entry['offset']); break; } if ($seek_entry['target_id'] != EBML_ID_CLUSTER || !self::$hide_clusters) { $info['matroska']['seek'][] = $seek_entry; } break; default: $this->unhandledElement('seekhead', __LINE__, $seek_entry); break; } } break; case EBML_ID_TRACKS: $info['matroska']['tracks'] = $element_data; while ($this->getEBMLelement($track_entry, $element_data['end'])) { switch ($track_entry['id']) { case EBML_ID_TRACKENTRY: while ($this->getEBMLelement($subelement, $track_entry['end'], array(EBML_ID_VIDEO, EBML_ID_AUDIO, EBML_ID_CONTENTENCODINGS, EBML_ID_CODECPRIVATE))) { switch ($subelement['id']) { case EBML_ID_TRACKUID: $track_entry[$subelement['id_name']] = getid3_lib::PrintHexBytes($subelement['data'], true, false); break; case EBML_ID_TRACKNUMBER: case EBML_ID_TRACKTYPE: case EBML_ID_MINCACHE: case EBML_ID_MAXCACHE: case EBML_ID_MAXBLOCKADDITIONID: case EBML_ID_DEFAULTDURATION: $track_entry[$subelement['id_name']] = getid3_lib::BigEndian2Int($subelement['data']); break; case EBML_ID_TRACKTIMECODESCALE: $track_entry[$subelement['id_name']] = getid3_lib::BigEndian2Float($subelement['data']); break; case EBML_ID_CODECID: case EBML_ID_LANGUAGE: case EBML_ID_NAME: case EBML_ID_CODECNAME: $track_entry[$subelement['id_name']] = getid3_lib::trimNullByte($subelement['data']); break; case EBML_ID_CODECPRIVATE: $track_entry[$subelement['id_name']] = $this->readEBMLelementData($subelement['length'], true); break; case EBML_ID_FLAGENABLED: case EBML_ID_FLAGDEFAULT: case EBML_ID_FLAGFORCED: case EBML_ID_FLAGLACING: case EBML_ID_CODECDECODEALL: $track_entry[$subelement['id_name']] = (bool) getid3_lib::BigEndian2Int($subelement['data']); break; case EBML_ID_VIDEO: while ($this->getEBMLelement($sub_subelement, $subelement['end'], true)) { switch ($sub_subelement['id']) { case EBML_ID_PIXELWIDTH: case EBML_ID_PIXELHEIGHT: case EBML_ID_PIXELCROPBOTTOM: case EBML_ID_PIXELCROPTOP: case EBML_ID_PIXELCROPLEFT: case EBML_ID_PIXELCROPRIGHT: case EBML_ID_DISPLAYWIDTH: case EBML_ID_DISPLAYHEIGHT: case EBML_ID_DISPLAYUNIT: case EBML_ID_ASPECTRATIOTYPE: case EBML_ID_STEREOMODE: case EBML_ID_OLDSTEREOMODE: $track_entry[$sub_subelement['id_name']] = getid3_lib::BigEndian2Int($sub_subelement['data']); break; case EBML_ID_FLAGINTERLACED: $track_entry[$sub_subelement['id_name']] = (bool) getid3_lib::BigEndian2Int($sub_subelement['data']); break; case EBML_ID_GAMMAVALUE: $track_entry[$sub_subelement['id_name']] = getid3_lib::BigEndian2Float($sub_subelement['data']); break; case EBML_ID_COLOURSPACE: $track_entry[$sub_subelement['id_name']] = getid3_lib::trimNullByte($sub_subelement['data']); break; default: $this->unhandledElement('track.video', __LINE__, $sub_subelement); break; } } break; case EBML_ID_AUDIO: while ($this->getEBMLelement($sub_subelement, $subelement['end'], true)) { switch ($sub_subelement['id']) { case EBML_ID_CHANNELS: case EBML_ID_BITDEPTH: $track_entry[$sub_subelement['id_name']] = getid3_lib::BigEndian2Int($sub_subelement['data']); break; case EBML_ID_SAMPLINGFREQUENCY: case EBML_ID_OUTPUTSAMPLINGFREQUENCY: $track_entry[$sub_subelement['id_name']] = getid3_lib::BigEndian2Float($sub_subelement['data']); break; case EBML_ID_CHANNELPOSITIONS: $track_entry[$sub_subelement['id_name']] = getid3_lib::trimNullByte($sub_subelement['data']); break; default: $this->unhandledElement('track.audio', __LINE__, $sub_subelement); break; } } break; case EBML_ID_CONTENTENCODINGS: while ($this->getEBMLelement($sub_subelement, $subelement['end'])) { switch ($sub_subelement['id']) { case EBML_ID_CONTENTENCODING: while ($this->getEBMLelement($sub_sub_subelement, $sub_subelement['end'], array(EBML_ID_CONTENTCOMPRESSION, EBML_ID_CONTENTENCRYPTION))) { switch ($sub_sub_subelement['id']) { case EBML_ID_CONTENTENCODINGORDER: case EBML_ID_CONTENTENCODINGSCOPE: case EBML_ID_CONTENTENCODINGTYPE: $track_entry[$sub_subelement['id_name']][$sub_sub_subelement['id_name']] = getid3_lib::BigEndian2Int($sub_sub_subelement['data']); break; case EBML_ID_CONTENTCOMPRESSION: while ($this->getEBMLelement($sub_sub_sub_subelement, $sub_sub_subelement['end'], true)) { switch ($sub_sub_sub_subelement['id']) { case EBML_ID_CONTENTCOMPALGO: $track_entry[$sub_subelement['id_name']][$sub_sub_subelement['id_name']][$sub_sub_sub_subelement['id_name']] = getid3_lib::BigEndian2Int($sub_sub_sub_subelement['data']); break; case EBML_ID_CONTENTCOMPSETTINGS: $track_entry[$sub_subelement['id_name']][$sub_sub_subelement['id_name']][$sub_sub_sub_subelement['id_name']] = $sub_sub_sub_subelement['data']; break; default: $this->unhandledElement('track.contentencodings.contentencoding.contentcompression', __LINE__, $sub_sub_sub_subelement); break; } } break; case EBML_ID_CONTENTENCRYPTION: while ($this->getEBMLelement($sub_sub_sub_subelement, $sub_sub_subelement['end'], true)) { switch ($sub_sub_sub_subelement['id']) { case EBML_ID_CONTENTENCALGO: case EBML_ID_CONTENTSIGALGO: case EBML_ID_CONTENTSIGHASHALGO: $track_entry[$sub_subelement['id_name']][$sub_sub_subelement['id_name']][$sub_sub_sub_subelement['id_name']] = getid3_lib::BigEndian2Int($sub_sub_sub_subelement['data']); break; case EBML_ID_CONTENTENCKEYID: case EBML_ID_CONTENTSIGNATURE: case EBML_ID_CONTENTSIGKEYID: $track_entry[$sub_subelement['id_name']][$sub_sub_subelement['id_name']][$sub_sub_sub_subelement['id_name']] = $sub_sub_sub_subelement['data']; break; default: $this->unhandledElement('track.contentencodings.contentencoding.contentcompression', __LINE__, $sub_sub_sub_subelement); break; } } break; default: $this->unhandledElement('track.contentencodings.contentencoding', __LINE__, $sub_sub_subelement); break; } } break; default: $this->unhandledElement('track.contentencodings', __LINE__, $sub_subelement); break; } } break; default: $this->unhandledElement('track', __LINE__, $subelement); break; } } $info['matroska']['tracks']['tracks'][] = $track_entry; break; default: $this->unhandledElement('tracks', __LINE__, $track_entry); break; } } break; case EBML_ID_INFO: $info_entry = array(); while ($this->getEBMLelement($subelement, $element_data['end'], true)) { switch ($subelement['id']) { case EBML_ID_TIMECODESCALE: $info_entry[$subelement['id_name']] = getid3_lib::BigEndian2Int($subelement['data']); break; case EBML_ID_DURATION: $info_entry[$subelement['id_name']] = getid3_lib::BigEndian2Float($subelement['data']); break; case EBML_ID_DATEUTC: $info_entry[$subelement['id_name']] = getid3_lib::BigEndian2Int($subelement['data']); $info_entry[$subelement['id_name'] . '_unix'] = self::EBMLdate2unix($info_entry[$subelement['id_name']]); break; case EBML_ID_SEGMENTUID: case EBML_ID_PREVUID: case EBML_ID_NEXTUID: $info_entry[$subelement['id_name']] = getid3_lib::trimNullByte($subelement['data']); break; case EBML_ID_SEGMENTFAMILY: $info_entry[$subelement['id_name']][] = getid3_lib::trimNullByte($subelement['data']); break; case EBML_ID_SEGMENTFILENAME: case EBML_ID_PREVFILENAME: case EBML_ID_NEXTFILENAME: case EBML_ID_TITLE: case EBML_ID_MUXINGAPP: case EBML_ID_WRITINGAPP: $info_entry[$subelement['id_name']] = getid3_lib::trimNullByte($subelement['data']); $info['matroska']['comments'][strtolower($subelement['id_name'])][] = $info_entry[$subelement['id_name']]; break; case EBML_ID_CHAPTERTRANSLATE: $chaptertranslate_entry = array(); while ($this->getEBMLelement($sub_subelement, $subelement['end'], true)) { switch ($sub_subelement['id']) { case EBML_ID_CHAPTERTRANSLATEEDITIONUID: $chaptertranslate_entry[$sub_subelement['id_name']][] = getid3_lib::BigEndian2Int($sub_subelement['data']); break; case EBML_ID_CHAPTERTRANSLATECODEC: $chaptertranslate_entry[$sub_subelement['id_name']] = getid3_lib::BigEndian2Int($sub_subelement['data']); break; case EBML_ID_CHAPTERTRANSLATEID: $chaptertranslate_entry[$sub_subelement['id_name']] = getid3_lib::trimNullByte($sub_subelement['data']); break; default: $this->unhandledElement('info.chaptertranslate', __LINE__, $sub_subelement); break; } } $info_entry[$subelement['id_name']] = $chaptertranslate_entry; break; default: $this->unhandledElement('info', __LINE__, $subelement); break; } } $info['matroska']['info'][] = $info_entry; break; case EBML_ID_CUES: if (self::$hide_clusters) { $this->current_offset = $element_data['end']; break; } $cues_entry = array(); while ($this->getEBMLelement($subelement, $element_data['end'])) { switch ($subelement['id']) { case EBML_ID_CUEPOINT: $cuepoint_entry = array(); while ($this->getEBMLelement($sub_subelement, $subelement['end'], array(EBML_ID_CUETRACKPOSITIONS))) { switch ($sub_subelement['id']) { case EBML_ID_CUETRACKPOSITIONS: $cuetrackpositions_entry = array(); while ($this->getEBMLelement($sub_sub_subelement, $sub_subelement['end'], true)) { switch ($sub_sub_subelement['id']) { case EBML_ID_CUETRACK: case EBML_ID_CUECLUSTERPOSITION: case EBML_ID_CUEBLOCKNUMBER: case EBML_ID_CUECODECSTATE: $cuetrackpositions_entry[$sub_sub_subelement['id_name']] = getid3_lib::BigEndian2Int($sub_sub_subelement['data']); break; default: $this->unhandledElement('cues.cuepoint.cuetrackpositions', __LINE__, $sub_sub_subelement); break; } } $cuepoint_entry[$sub_subelement['id_name']][] = $cuetrackpositions_entry; break; case EBML_ID_CUETIME: $cuepoint_entry[$sub_subelement['id_name']] = getid3_lib::BigEndian2Int($sub_subelement['data']); break; default: $this->unhandledElement('cues.cuepoint', __LINE__, $sub_subelement); break; } } $cues_entry[] = $cuepoint_entry; break; default: $this->unhandledElement('cues', __LINE__, $subelement); break; } } $info['matroska']['cues'] = $cues_entry; break; case EBML_ID_TAGS: $tags_entry = array(); while ($this->getEBMLelement($subelement, $element_data['end'], false)) { switch ($subelement['id']) { case EBML_ID_TAG: $tag_entry = array(); while ($this->getEBMLelement($sub_subelement, $subelement['end'], false)) { switch ($sub_subelement['id']) { case EBML_ID_TARGETS: $targets_entry = array(); while ($this->getEBMLelement($sub_sub_subelement, $sub_subelement['end'], true)) { switch ($sub_sub_subelement['id']) { case EBML_ID_TARGETTYPEVALUE: $targets_entry[$sub_sub_subelement['id_name']] = getid3_lib::BigEndian2Int($sub_sub_subelement['data']); $targets_entry[strtolower($sub_sub_subelement['id_name']) . '_long'] = self::TargetTypeValue($targets_entry[$sub_sub_subelement['id_name']]); break; case EBML_ID_TARGETTYPE: $targets_entry[$sub_sub_subelement['id_name']] = $sub_sub_subelement['data']; break; case EBML_ID_TAGTRACKUID: case EBML_ID_TAGEDITIONUID: case EBML_ID_TAGCHAPTERUID: case EBML_ID_TAGATTACHMENTUID: $targets_entry[$sub_sub_subelement['id_name']][] = getid3_lib::PrintHexBytes($sub_sub_subelement['data'], true, false); break; default: $this->unhandledElement('tags.tag.targets', __LINE__, $sub_sub_subelement); break; } } $tag_entry[$sub_subelement['id_name']] = $targets_entry; break; case EBML_ID_SIMPLETAG: $tag_entry[$sub_subelement['id_name']][] = $this->HandleEMBLSimpleTag($sub_subelement['end']); break; default: $this->unhandledElement('tags.tag', __LINE__, $sub_subelement); break; } } $tags_entry[] = $tag_entry; break; default: $this->unhandledElement('tags', __LINE__, $subelement); break; } } $info['matroska']['tags'] = $tags_entry; break; case EBML_ID_ATTACHMENTS: while ($this->getEBMLelement($subelement, $element_data['end'])) { switch ($subelement['id']) { case EBML_ID_ATTACHEDFILE: $attachedfile_entry = array(); while ($this->getEBMLelement($sub_subelement, $subelement['end'], array(EBML_ID_FILEDATA))) { switch ($sub_subelement['id']) { case EBML_ID_FILEDESCRIPTION: case EBML_ID_FILENAME: case EBML_ID_FILEMIMETYPE: $attachedfile_entry[$sub_subelement['id_name']] = $sub_subelement['data']; break; case EBML_ID_FILEDATA: $attachedfile_entry['data_offset'] = $this->current_offset; $attachedfile_entry['data_length'] = $sub_subelement['length']; $attachedfile_entry[$sub_subelement['id_name']] = $this->saveAttachment($attachedfile_entry['FileName'], $attachedfile_entry['data_offset'], $attachedfile_entry['data_length']); $this->current_offset = $sub_subelement['end']; break; case EBML_ID_FILEUID: $attachedfile_entry[$sub_subelement['id_name']] = getid3_lib::BigEndian2Int($sub_subelement['data']); break; default: $this->unhandledElement('attachments.attachedfile', __LINE__, $sub_subelement); break; } } $info['matroska']['attachments'][] = $attachedfile_entry; break; default: $this->unhandledElement('attachments', __LINE__, $subelement); break; } } break; case EBML_ID_CHAPTERS: while ($this->getEBMLelement($subelement, $element_data['end'])) { switch ($subelement['id']) { case EBML_ID_EDITIONENTRY: $editionentry_entry = array(); while ($this->getEBMLelement($sub_subelement, $subelement['end'], array(EBML_ID_CHAPTERATOM))) { switch ($sub_subelement['id']) { case EBML_ID_EDITIONUID: $editionentry_entry[$sub_subelement['id_name']] = getid3_lib::BigEndian2Int($sub_subelement['data']); break; case EBML_ID_EDITIONFLAGHIDDEN: case EBML_ID_EDITIONFLAGDEFAULT: case EBML_ID_EDITIONFLAGORDERED: $editionentry_entry[$sub_subelement['id_name']] = (bool) getid3_lib::BigEndian2Int($sub_subelement['data']); break; case EBML_ID_CHAPTERATOM: $chapteratom_entry = array(); while ($this->getEBMLelement($sub_sub_subelement, $sub_subelement['end'], array(EBML_ID_CHAPTERTRACK, EBML_ID_CHAPTERDISPLAY))) { switch ($sub_sub_subelement['id']) { case EBML_ID_CHAPTERSEGMENTUID: case EBML_ID_CHAPTERSEGMENTEDITIONUID: $chapteratom_entry[$sub_sub_subelement['id_name']] = $sub_sub_subelement['data']; break; case EBML_ID_CHAPTERFLAGENABLED: case EBML_ID_CHAPTERFLAGHIDDEN: $chapteratom_entry[$sub_sub_subelement['id_name']] = (bool) getid3_lib::BigEndian2Int($sub_sub_subelement['data']); break; case EBML_ID_CHAPTERUID: case EBML_ID_CHAPTERTIMESTART: case EBML_ID_CHAPTERTIMEEND: $chapteratom_entry[$sub_sub_subelement['id_name']] = getid3_lib::BigEndian2Int($sub_sub_subelement['data']); break; case EBML_ID_CHAPTERTRACK: $chaptertrack_entry = array(); while ($this->getEBMLelement($sub_sub_sub_subelement, $sub_sub_subelement['end'], true)) { switch ($sub_sub_sub_subelement['id']) { case EBML_ID_CHAPTERTRACKNUMBER: $chaptertrack_entry[$sub_sub_sub_subelement['id_name']] = getid3_lib::BigEndian2Int($sub_sub_sub_subelement['data']); break; default: $this->unhandledElement('chapters.editionentry.chapteratom.chaptertrack', __LINE__, $sub_sub_sub_subelement); break; } } $chapteratom_entry[$sub_sub_subelement['id_name']][] = $chaptertrack_entry; break; case EBML_ID_CHAPTERDISPLAY: $chapterdisplay_entry = array(); while ($this->getEBMLelement($sub_sub_sub_subelement, $sub_sub_subelement['end'], true)) { switch ($sub_sub_sub_subelement['id']) { case EBML_ID_CHAPSTRING: case EBML_ID_CHAPLANGUAGE: case EBML_ID_CHAPCOUNTRY: $chapterdisplay_entry[$sub_sub_sub_subelement['id_name']] = $sub_sub_sub_subelement['data']; break; default: $this->unhandledElement('chapters.editionentry.chapteratom.chapterdisplay', __LINE__, $sub_sub_sub_subelement); break; } } $chapteratom_entry[$sub_sub_subelement['id_name']][] = $chapterdisplay_entry; break; default: $this->unhandledElement('chapters.editionentry.chapteratom', __LINE__, $sub_sub_subelement); break; } } $editionentry_entry[$sub_subelement['id_name']][] = $chapteratom_entry; break; default: $this->unhandledElement('chapters.editionentry', __LINE__, $sub_subelement); break; } } $info['matroska']['chapters'][] = $editionentry_entry; break; default: $this->unhandledElement('chapters', __LINE__, $subelement); break; } } break; case EBML_ID_CLUSTER: $cluster_entry = array(); while ($this->getEBMLelement($subelement, $element_data['end'], array(EBML_ID_CLUSTERSILENTTRACKS, EBML_ID_CLUSTERBLOCKGROUP, EBML_ID_CLUSTERSIMPLEBLOCK))) { switch ($subelement['id']) { case EBML_ID_CLUSTERTIMECODE: case EBML_ID_CLUSTERPOSITION: case EBML_ID_CLUSTERPREVSIZE: $cluster_entry[$subelement['id_name']] = getid3_lib::BigEndian2Int($subelement['data']); break; case EBML_ID_CLUSTERSILENTTRACKS: $cluster_silent_tracks = array(); while ($this->getEBMLelement($sub_subelement, $subelement['end'], true)) { switch ($sub_subelement['id']) { case EBML_ID_CLUSTERSILENTTRACKNUMBER: $cluster_silent_tracks[] = getid3_lib::BigEndian2Int($sub_subelement['data']); break; default: $this->unhandledElement('cluster.silenttracks', __LINE__, $sub_subelement); break; } } $cluster_entry[$subelement['id_name']][] = $cluster_silent_tracks; break; case EBML_ID_CLUSTERBLOCKGROUP: $cluster_block_group = array('offset' => $this->current_offset); while ($this->getEBMLelement($sub_subelement, $subelement['end'], array(EBML_ID_CLUSTERBLOCK))) { switch ($sub_subelement['id']) { case EBML_ID_CLUSTERBLOCK: $cluster_block_group[$sub_subelement['id_name']] = $this->HandleEMBLClusterBlock($sub_subelement, EBML_ID_CLUSTERBLOCK, $info); break; case EBML_ID_CLUSTERREFERENCEPRIORITY: case EBML_ID_CLUSTERBLOCKDURATION: $cluster_block_group[$sub_subelement['id_name']] = getid3_lib::BigEndian2Int($sub_subelement['data']); break; case EBML_ID_CLUSTERREFERENCEBLOCK: $cluster_block_group[$sub_subelement['id_name']][] = getid3_lib::BigEndian2Int($sub_subelement['data'], false, true); break; case EBML_ID_CLUSTERCODECSTATE: $cluster_block_group[$sub_subelement['id_name']] = getid3_lib::trimNullByte($sub_subelement['data']); break; default: $this->unhandledElement('clusters.blockgroup', __LINE__, $sub_subelement); break; } } $cluster_entry[$subelement['id_name']][] = $cluster_block_group; break; case EBML_ID_CLUSTERSIMPLEBLOCK: $cluster_entry[$subelement['id_name']][] = $this->HandleEMBLClusterBlock($subelement, EBML_ID_CLUSTERSIMPLEBLOCK, $info); break; default: $this->unhandledElement('cluster', __LINE__, $subelement); break; } $this->current_offset = $subelement['end']; } if (!self::$hide_clusters) { $info['matroska']['cluster'][] = $cluster_entry; } if (!self::$parse_whole_file) { if (isset($info['matroska']['info']) && is_array($info['matroska']['info'])) { if (isset($info['matroska']['tracks']['tracks']) && is_array($info['matroska']['tracks']['tracks'])) { if (count($info['matroska']['track_data_offsets']) == count($info['matroska']['tracks']['tracks'])) { return; } } } } break; default: $this->unhandledElement('segment', __LINE__, $element_data); break; } } break; default: $this->unhandledElement('root', __LINE__, $top_element); break; } } } private function EnsureBufferHasEnoughData($min_data = 1024) { if ($this->current_offset - $this->EBMLbuffer_offset >= $this->EBMLbuffer_length - $min_data) { $read_bytes = max($min_data, $this->getid3->fread_buffer_size()); try { $this->fseek($this->current_offset); $this->EBMLbuffer_offset = $this->current_offset; $this->EBMLbuffer = $this->fread($read_bytes); $this->EBMLbuffer_length = strlen($this->EBMLbuffer); } catch (getid3_exception $e) { $this->warning('EBML parser: ' . $e->getMessage()); return false; } if ($this->EBMLbuffer_length == 0 && $this->feof()) { return $this->error('EBML parser: ran out of file at offset ' . $this->current_offset); } } return true; } private function readEBMLint() { $actual_offset = $this->current_offset - $this->EBMLbuffer_offset; $first_byte_int = ord($this->EBMLbuffer[$actual_offset]); if (0x80 & $first_byte_int) { $length = 1; } elseif (0x40 & $first_byte_int) { $length = 2; } elseif (0x20 & $first_byte_int) { $length = 3; } elseif (0x10 & $first_byte_int) { $length = 4; } elseif (0x8 & $first_byte_int) { $length = 5; } elseif (0x4 & $first_byte_int) { $length = 6; } elseif (0x2 & $first_byte_int) { $length = 7; } elseif (0x1 & $first_byte_int) { $length = 8; } else { throw new Exception('invalid EBML integer (leading 0x00) at ' . $this->current_offset); } $int_value = self::EBML2Int(substr($this->EBMLbuffer, $actual_offset, $length)); $this->current_offset += $length; return $int_value; } private function readEBMLelementData($length, $check_buffer = false) { if ($check_buffer && !$this->EnsureBufferHasEnoughData($length)) { return false; } $data = substr($this->EBMLbuffer, $this->current_offset - $this->EBMLbuffer_offset, $length); $this->current_offset += $length; return $data; } private function getEBMLelement(&$element, $parent_end, $get_data = false) { if ($this->current_offset >= $parent_end) { return false; } if (!$this->EnsureBufferHasEnoughData()) { $this->current_offset = PHP_INT_MAX; return false; } $element = array(); $element['offset'] = $this->current_offset; $element['id'] = $this->readEBMLint(); $element['id_name'] = self::EBMLidName($element['id']); $element['length'] = $this->readEBMLint(); $element['end'] = $this->current_offset + $element['length']; $dont_parse = in_array($element['id'], $this->unuseful_elements) || $element['id_name'] == dechex($element['id']); if (($get_data === true || is_array($get_data) && !in_array($element['id'], $get_data)) && !$dont_parse) { $element['data'] = $this->readEBMLelementData($element['length'], $element); } return true; } private function unhandledElement($type, $line, $element) { if (!in_array($element['id'], $this->unuseful_elements)) { $this->warning('Unhandled ' . $type . ' element [' . basename(__FILE__) . ':' . $line . '] (' . $element['id'] . '::' . $element['id_name'] . ' [' . $element['length'] . ' bytes]) at ' . $element['offset']); } if (!isset($element['data'])) { $this->current_offset = $element['end']; } } private function ExtractCommentsSimpleTag($SimpleTagArray) { if (!empty($SimpleTagArray['SimpleTag'])) { foreach ($SimpleTagArray['SimpleTag'] as $SimpleTagKey => $SimpleTagData) { if (!empty($SimpleTagData['TagName']) && !empty($SimpleTagData['TagString'])) { $this->getid3->info['matroska']['comments'][strtolower($SimpleTagData['TagName'])][] = $SimpleTagData['TagString']; } if (!empty($SimpleTagData['SimpleTag'])) { $this->ExtractCommentsSimpleTag($SimpleTagData); } } } return true; } private function HandleEMBLSimpleTag($parent_end) { $simpletag_entry = array(); while ($this->getEBMLelement($element, $parent_end, array(EBML_ID_SIMPLETAG))) { switch ($element['id']) { case EBML_ID_TAGNAME: case EBML_ID_TAGLANGUAGE: case EBML_ID_TAGSTRING: case EBML_ID_TAGBINARY: $simpletag_entry[$element['id_name']] = $element['data']; break; case EBML_ID_SIMPLETAG: $simpletag_entry[$element['id_name']][] = $this->HandleEMBLSimpleTag($element['end']); break; case EBML_ID_TAGDEFAULT: $simpletag_entry[$element['id_name']] = (bool) getid3_lib::BigEndian2Int($element['data']); break; default: $this->unhandledElement('tag.simpletag', __LINE__, $element); break; } } return $simpletag_entry; } private function HandleEMBLClusterBlock($element, $block_type, &$info) { $block_data = array(); $block_data['tracknumber'] = $this->readEBMLint(); $block_data['timecode'] = getid3_lib::BigEndian2Int($this->readEBMLelementData(2), false, true); $block_data['flags_raw'] = getid3_lib::BigEndian2Int($this->readEBMLelementData(1)); if ($block_type == EBML_ID_CLUSTERSIMPLEBLOCK) { $block_data['flags']['keyframe'] = ($block_data['flags_raw'] & 0x80) >> 7; } else { } $block_data['flags']['invisible'] = (bool) (($block_data['flags_raw'] & 0x8) >> 3); $block_data['flags']['lacing'] = ($block_data['flags_raw'] & 0x6) >> 1; if ($block_type == EBML_ID_CLUSTERSIMPLEBLOCK) { $block_data['flags']['discardable'] = $block_data['flags_raw'] & 0x1; } else { } $block_data['flags']['lacing_type'] = self::BlockLacingType($block_data['flags']['lacing']); if ($block_data['flags']['lacing'] > 0) { $block_data['lace_frames'] = getid3_lib::BigEndian2Int($this->readEBMLelementData(1)) + 1; if ($block_data['flags']['lacing'] != 0x2) { for ($i = 1; $i < $block_data['lace_frames']; $i++) { if ($block_data['flags']['lacing'] == 0x3) { $block_data['lace_frames_size'][$i] = $this->readEBMLint(); } else { $block_data['lace_frames_size'][$i] = 0; do { $size = getid3_lib::BigEndian2Int($this->readEBMLelementData(1)); $block_data['lace_frames_size'][$i] += $size; } while ($size == 255); } } if ($block_data['flags']['lacing'] == 0x1) { $block_data['lace_frames_size'][] = $element['end'] - $this->current_offset - array_sum($block_data['lace_frames_size']); } } } if (!isset($info['matroska']['track_data_offsets'][$block_data['tracknumber']])) { $info['matroska']['track_data_offsets'][$block_data['tracknumber']]['offset'] = $this->current_offset; $info['matroska']['track_data_offsets'][$block_data['tracknumber']]['length'] = $element['end'] - $this->current_offset; } $this->current_offset = $element['end']; return $block_data; } private static function EBML2Int($EBMLstring) { $first_byte_int = ord($EBMLstring[0]); if (0x80 & $first_byte_int) { $EBMLstring[0] = chr($first_byte_int & 0x7f); } elseif (0x40 & $first_byte_int) { $EBMLstring[0] = chr($first_byte_int & 0x3f); } elseif (0x20 & $first_byte_int) { $EBMLstring[0] = chr($first_byte_int & 0x1f); } elseif (0x10 & $first_byte_int) { $EBMLstring[0] = chr($first_byte_int & 0xf); } elseif (0x8 & $first_byte_int) { $EBMLstring[0] = chr($first_byte_int & 0x7); } elseif (0x4 & $first_byte_int) { $EBMLstring[0] = chr($first_byte_int & 0x3); } elseif (0x2 & $first_byte_int) { $EBMLstring[0] = chr($first_byte_int & 0x1); } elseif (0x1 & $first_byte_int) { $EBMLstring[0] = chr($first_byte_int & 0x0); } return getid3_lib::BigEndian2Int($EBMLstring); } private static function EBMLdate2unix($EBMLdatestamp) { return round($EBMLdatestamp / 1000000000 + 978307200); } public static function TargetTypeValue($target_type) { static $TargetTypeValue = array(); if (empty($TargetTypeValue)) { $TargetTypeValue[10] = 'A: ~ V:shot'; $TargetTypeValue[20] = 'A:subtrack/part/movement ~ V:scene'; $TargetTypeValue[30] = 'A:track/song ~ V:chapter'; $TargetTypeValue[40] = 'A:part/session ~ V:part/session'; $TargetTypeValue[50] = 'A:album/opera/concert ~ V:movie/episode/concert'; $TargetTypeValue[60] = 'A:edition/issue/volume/opus ~ V:season/sequel/volume'; $TargetTypeValue[70] = 'A:collection ~ V:collection'; } return isset($TargetTypeValue[$target_type]) ? $TargetTypeValue[$target_type] : $target_type; } public static function BlockLacingType($lacingtype) { static $BlockLacingType = array(); if (empty($BlockLacingType)) { $BlockLacingType[0x0] = 'no lacing'; $BlockLacingType[0x1] = 'Xiph lacing'; $BlockLacingType[0x2] = 'fixed-size lacing'; $BlockLacingType[0x3] = 'EBML lacing'; } return isset($BlockLacingType[$lacingtype]) ? $BlockLacingType[$lacingtype] : $lacingtype; } public static function CodecIDtoCommonName($codecid) { static $CodecIDlist = array(); if (empty($CodecIDlist)) { $CodecIDlist['A_AAC'] = 'aac'; $CodecIDlist['A_AAC/MPEG2/LC'] = 'aac'; $CodecIDlist['A_AC3'] = 'ac3'; $CodecIDlist['A_EAC3'] = 'eac3'; $CodecIDlist['A_DTS'] = 'dts'; $CodecIDlist['A_FLAC'] = 'flac'; $CodecIDlist['A_MPEG/L1'] = 'mp1'; $CodecIDlist['A_MPEG/L2'] = 'mp2'; $CodecIDlist['A_MPEG/L3'] = 'mp3'; $CodecIDlist['A_PCM/INT/LIT'] = 'pcm'; $CodecIDlist['A_PCM/INT/BIG'] = 'pcm'; $CodecIDlist['A_QUICKTIME/QDMC'] = 'quicktime'; $CodecIDlist['A_QUICKTIME/QDM2'] = 'quicktime'; $CodecIDlist['A_VORBIS'] = 'vorbis'; $CodecIDlist['V_MPEG1'] = 'mpeg'; $CodecIDlist['V_THEORA'] = 'theora'; $CodecIDlist['V_REAL/RV40'] = 'real'; $CodecIDlist['V_REAL/RV10'] = 'real'; $CodecIDlist['V_REAL/RV20'] = 'real'; $CodecIDlist['V_REAL/RV30'] = 'real'; $CodecIDlist['V_QUICKTIME'] = 'quicktime'; $CodecIDlist['V_MPEG4/ISO/AP'] = 'mpeg4'; $CodecIDlist['V_MPEG4/ISO/ASP'] = 'mpeg4'; $CodecIDlist['V_MPEG4/ISO/AVC'] = 'h264'; $CodecIDlist['V_MPEG4/ISO/SP'] = 'mpeg4'; $CodecIDlist['V_VP8'] = 'vp8'; $CodecIDlist['V_MS/VFW/FOURCC'] = 'vcm'; $CodecIDlist['A_MS/ACM'] = 'acm'; } return isset($CodecIDlist[$codecid]) ? $CodecIDlist[$codecid] : $codecid; } private static function EBMLidName($value) { static $EBMLidList = array(); if (empty($EBMLidList)) { $EBMLidList[EBML_ID_ASPECTRATIOTYPE] = 'AspectRatioType'; $EBMLidList[EBML_ID_ATTACHEDFILE] = 'AttachedFile'; $EBMLidList[EBML_ID_ATTACHMENTLINK] = 'AttachmentLink'; $EBMLidList[EBML_ID_ATTACHMENTS] = 'Attachments'; $EBMLidList[EBML_ID_AUDIO] = 'Audio'; $EBMLidList[EBML_ID_BITDEPTH] = 'BitDepth'; $EBMLidList[EBML_ID_CHANNELPOSITIONS] = 'ChannelPositions'; $EBMLidList[EBML_ID_CHANNELS] = 'Channels'; $EBMLidList[EBML_ID_CHAPCOUNTRY] = 'ChapCountry'; $EBMLidList[EBML_ID_CHAPLANGUAGE] = 'ChapLanguage'; $EBMLidList[EBML_ID_CHAPPROCESS] = 'ChapProcess'; $EBMLidList[EBML_ID_CHAPPROCESSCODECID] = 'ChapProcessCodecID'; $EBMLidList[EBML_ID_CHAPPROCESSCOMMAND] = 'ChapProcessCommand'; $EBMLidList[EBML_ID_CHAPPROCESSDATA] = 'ChapProcessData'; $EBMLidList[EBML_ID_CHAPPROCESSPRIVATE] = 'ChapProcessPrivate'; $EBMLidList[EBML_ID_CHAPPROCESSTIME] = 'ChapProcessTime'; $EBMLidList[EBML_ID_CHAPSTRING] = 'ChapString'; $EBMLidList[EBML_ID_CHAPTERATOM] = 'ChapterAtom'; $EBMLidList[EBML_ID_CHAPTERDISPLAY] = 'ChapterDisplay'; $EBMLidList[EBML_ID_CHAPTERFLAGENABLED] = 'ChapterFlagEnabled'; $EBMLidList[EBML_ID_CHAPTERFLAGHIDDEN] = 'ChapterFlagHidden'; $EBMLidList[EBML_ID_CHAPTERPHYSICALEQUIV] = 'ChapterPhysicalEquiv'; $EBMLidList[EBML_ID_CHAPTERS] = 'Chapters'; $EBMLidList[EBML_ID_CHAPTERSEGMENTEDITIONUID] = 'ChapterSegmentEditionUID'; $EBMLidList[EBML_ID_CHAPTERSEGMENTUID] = 'ChapterSegmentUID'; $EBMLidList[EBML_ID_CHAPTERTIMEEND] = 'ChapterTimeEnd'; $EBMLidList[EBML_ID_CHAPTERTIMESTART] = 'ChapterTimeStart'; $EBMLidList[EBML_ID_CHAPTERTRACK] = 'ChapterTrack'; $EBMLidList[EBML_ID_CHAPTERTRACKNUMBER] = 'ChapterTrackNumber'; $EBMLidList[EBML_ID_CHAPTERTRANSLATE] = 'ChapterTranslate'; $EBMLidList[EBML_ID_CHAPTERTRANSLATECODEC] = 'ChapterTranslateCodec'; $EBMLidList[EBML_ID_CHAPTERTRANSLATEEDITIONUID] = 'ChapterTranslateEditionUID'; $EBMLidList[EBML_ID_CHAPTERTRANSLATEID] = 'ChapterTranslateID'; $EBMLidList[EBML_ID_CHAPTERUID] = 'ChapterUID'; $EBMLidList[EBML_ID_CLUSTER] = 'Cluster'; $EBMLidList[EBML_ID_CLUSTERBLOCK] = 'ClusterBlock'; $EBMLidList[EBML_ID_CLUSTERBLOCKADDID] = 'ClusterBlockAddID'; $EBMLidList[EBML_ID_CLUSTERBLOCKADDITIONAL] = 'ClusterBlockAdditional'; $EBMLidList[EBML_ID_CLUSTERBLOCKADDITIONID] = 'ClusterBlockAdditionID'; $EBMLidList[EBML_ID_CLUSTERBLOCKADDITIONS] = 'ClusterBlockAdditions'; $EBMLidList[EBML_ID_CLUSTERBLOCKDURATION] = 'ClusterBlockDuration'; $EBMLidList[EBML_ID_CLUSTERBLOCKGROUP] = 'ClusterBlockGroup'; $EBMLidList[EBML_ID_CLUSTERBLOCKMORE] = 'ClusterBlockMore'; $EBMLidList[EBML_ID_CLUSTERBLOCKVIRTUAL] = 'ClusterBlockVirtual'; $EBMLidList[EBML_ID_CLUSTERCODECSTATE] = 'ClusterCodecState'; $EBMLidList[EBML_ID_CLUSTERDELAY] = 'ClusterDelay'; $EBMLidList[EBML_ID_CLUSTERDURATION] = 'ClusterDuration'; $EBMLidList[EBML_ID_CLUSTERENCRYPTEDBLOCK] = 'ClusterEncryptedBlock'; $EBMLidList[EBML_ID_CLUSTERFRAMENUMBER] = 'ClusterFrameNumber'; $EBMLidList[EBML_ID_CLUSTERLACENUMBER] = 'ClusterLaceNumber'; $EBMLidList[EBML_ID_CLUSTERPOSITION] = 'ClusterPosition'; $EBMLidList[EBML_ID_CLUSTERPREVSIZE] = 'ClusterPrevSize'; $EBMLidList[EBML_ID_CLUSTERREFERENCEBLOCK] = 'ClusterReferenceBlock'; $EBMLidList[EBML_ID_CLUSTERREFERENCEPRIORITY] = 'ClusterReferencePriority'; $EBMLidList[EBML_ID_CLUSTERREFERENCEVIRTUAL] = 'ClusterReferenceVirtual'; $EBMLidList[EBML_ID_CLUSTERSILENTTRACKNUMBER] = 'ClusterSilentTrackNumber'; $EBMLidList[EBML_ID_CLUSTERSILENTTRACKS] = 'ClusterSilentTracks'; $EBMLidList[EBML_ID_CLUSTERSIMPLEBLOCK] = 'ClusterSimpleBlock'; $EBMLidList[EBML_ID_CLUSTERTIMECODE] = 'ClusterTimecode'; $EBMLidList[EBML_ID_CLUSTERTIMESLICE] = 'ClusterTimeSlice'; $EBMLidList[EBML_ID_CODECDECODEALL] = 'CodecDecodeAll'; $EBMLidList[EBML_ID_CODECDOWNLOADURL] = 'CodecDownloadURL'; $EBMLidList[EBML_ID_CODECID] = 'CodecID'; $EBMLidList[EBML_ID_CODECINFOURL] = 'CodecInfoURL'; $EBMLidList[EBML_ID_CODECNAME] = 'CodecName'; $EBMLidList[EBML_ID_CODECPRIVATE] = 'CodecPrivate'; $EBMLidList[EBML_ID_CODECSETTINGS] = 'CodecSettings'; $EBMLidList[EBML_ID_COLOURSPACE] = 'ColourSpace'; $EBMLidList[EBML_ID_CONTENTCOMPALGO] = 'ContentCompAlgo'; $EBMLidList[EBML_ID_CONTENTCOMPRESSION] = 'ContentCompression'; $EBMLidList[EBML_ID_CONTENTCOMPSETTINGS] = 'ContentCompSettings'; $EBMLidList[EBML_ID_CONTENTENCALGO] = 'ContentEncAlgo'; $EBMLidList[EBML_ID_CONTENTENCKEYID] = 'ContentEncKeyID'; $EBMLidList[EBML_ID_CONTENTENCODING] = 'ContentEncoding'; $EBMLidList[EBML_ID_CONTENTENCODINGORDER] = 'ContentEncodingOrder'; $EBMLidList[EBML_ID_CONTENTENCODINGS] = 'ContentEncodings'; $EBMLidList[EBML_ID_CONTENTENCODINGSCOPE] = 'ContentEncodingScope'; $EBMLidList[EBML_ID_CONTENTENCODINGTYPE] = 'ContentEncodingType'; $EBMLidList[EBML_ID_CONTENTENCRYPTION] = 'ContentEncryption'; $EBMLidList[EBML_ID_CONTENTSIGALGO] = 'ContentSigAlgo'; $EBMLidList[EBML_ID_CONTENTSIGHASHALGO] = 'ContentSigHashAlgo'; $EBMLidList[EBML_ID_CONTENTSIGKEYID] = 'ContentSigKeyID'; $EBMLidList[EBML_ID_CONTENTSIGNATURE] = 'ContentSignature'; $EBMLidList[EBML_ID_CRC32] = 'CRC32'; $EBMLidList[EBML_ID_CUEBLOCKNUMBER] = 'CueBlockNumber'; $EBMLidList[EBML_ID_CUECLUSTERPOSITION] = 'CueClusterPosition'; $EBMLidList[EBML_ID_CUECODECSTATE] = 'CueCodecState'; $EBMLidList[EBML_ID_CUEPOINT] = 'CuePoint'; $EBMLidList[EBML_ID_CUEREFCLUSTER] = 'CueRefCluster'; $EBMLidList[EBML_ID_CUEREFCODECSTATE] = 'CueRefCodecState'; $EBMLidList[EBML_ID_CUEREFERENCE] = 'CueReference'; $EBMLidList[EBML_ID_CUEREFNUMBER] = 'CueRefNumber'; $EBMLidList[EBML_ID_CUEREFTIME] = 'CueRefTime'; $EBMLidList[EBML_ID_CUES] = 'Cues'; $EBMLidList[EBML_ID_CUETIME] = 'CueTime'; $EBMLidList[EBML_ID_CUETRACK] = 'CueTrack'; $EBMLidList[EBML_ID_CUETRACKPOSITIONS] = 'CueTrackPositions'; $EBMLidList[EBML_ID_DATEUTC] = 'DateUTC'; $EBMLidList[EBML_ID_DEFAULTDURATION] = 'DefaultDuration'; $EBMLidList[EBML_ID_DISPLAYHEIGHT] = 'DisplayHeight'; $EBMLidList[EBML_ID_DISPLAYUNIT] = 'DisplayUnit'; $EBMLidList[EBML_ID_DISPLAYWIDTH] = 'DisplayWidth'; $EBMLidList[EBML_ID_DOCTYPE] = 'DocType'; $EBMLidList[EBML_ID_DOCTYPEREADVERSION] = 'DocTypeReadVersion'; $EBMLidList[EBML_ID_DOCTYPEVERSION] = 'DocTypeVersion'; $EBMLidList[EBML_ID_DURATION] = 'Duration'; $EBMLidList[EBML_ID_EBML] = 'EBML'; $EBMLidList[EBML_ID_EBMLMAXIDLENGTH] = 'EBMLMaxIDLength'; $EBMLidList[EBML_ID_EBMLMAXSIZELENGTH] = 'EBMLMaxSizeLength'; $EBMLidList[EBML_ID_EBMLREADVERSION] = 'EBMLReadVersion'; $EBMLidList[EBML_ID_EBMLVERSION] = 'EBMLVersion'; $EBMLidList[EBML_ID_EDITIONENTRY] = 'EditionEntry'; $EBMLidList[EBML_ID_EDITIONFLAGDEFAULT] = 'EditionFlagDefault'; $EBMLidList[EBML_ID_EDITIONFLAGHIDDEN] = 'EditionFlagHidden'; $EBMLidList[EBML_ID_EDITIONFLAGORDERED] = 'EditionFlagOrdered'; $EBMLidList[EBML_ID_EDITIONUID] = 'EditionUID'; $EBMLidList[EBML_ID_FILEDATA] = 'FileData'; $EBMLidList[EBML_ID_FILEDESCRIPTION] = 'FileDescription'; $EBMLidList[EBML_ID_FILEMIMETYPE] = 'FileMimeType'; $EBMLidList[EBML_ID_FILENAME] = 'FileName'; $EBMLidList[EBML_ID_FILEREFERRAL] = 'FileReferral'; $EBMLidList[EBML_ID_FILEUID] = 'FileUID'; $EBMLidList[EBML_ID_FLAGDEFAULT] = 'FlagDefault'; $EBMLidList[EBML_ID_FLAGENABLED] = 'FlagEnabled'; $EBMLidList[EBML_ID_FLAGFORCED] = 'FlagForced'; $EBMLidList[EBML_ID_FLAGINTERLACED] = 'FlagInterlaced'; $EBMLidList[EBML_ID_FLAGLACING] = 'FlagLacing'; $EBMLidList[EBML_ID_GAMMAVALUE] = 'GammaValue'; $EBMLidList[EBML_ID_INFO] = 'Info'; $EBMLidList[EBML_ID_LANGUAGE] = 'Language'; $EBMLidList[EBML_ID_MAXBLOCKADDITIONID] = 'MaxBlockAdditionID'; $EBMLidList[EBML_ID_MAXCACHE] = 'MaxCache'; $EBMLidList[EBML_ID_MINCACHE] = 'MinCache'; $EBMLidList[EBML_ID_MUXINGAPP] = 'MuxingApp'; $EBMLidList[EBML_ID_NAME] = 'Name'; $EBMLidList[EBML_ID_NEXTFILENAME] = 'NextFilename'; $EBMLidList[EBML_ID_NEXTUID] = 'NextUID'; $EBMLidList[EBML_ID_OUTPUTSAMPLINGFREQUENCY] = 'OutputSamplingFrequency'; $EBMLidList[EBML_ID_PIXELCROPBOTTOM] = 'PixelCropBottom'; $EBMLidList[EBML_ID_PIXELCROPLEFT] = 'PixelCropLeft'; $EBMLidList[EBML_ID_PIXELCROPRIGHT] = 'PixelCropRight'; $EBMLidList[EBML_ID_PIXELCROPTOP] = 'PixelCropTop'; $EBMLidList[EBML_ID_PIXELHEIGHT] = 'PixelHeight'; $EBMLidList[EBML_ID_PIXELWIDTH] = 'PixelWidth'; $EBMLidList[EBML_ID_PREVFILENAME] = 'PrevFilename'; $EBMLidList[EBML_ID_PREVUID] = 'PrevUID'; $EBMLidList[EBML_ID_SAMPLINGFREQUENCY] = 'SamplingFrequency'; $EBMLidList[EBML_ID_SEEK] = 'Seek'; $EBMLidList[EBML_ID_SEEKHEAD] = 'SeekHead'; $EBMLidList[EBML_ID_SEEKID] = 'SeekID'; $EBMLidList[EBML_ID_SEEKPOSITION] = 'SeekPosition'; $EBMLidList[EBML_ID_SEGMENT] = 'Segment'; $EBMLidList[EBML_ID_SEGMENTFAMILY] = 'SegmentFamily'; $EBMLidList[EBML_ID_SEGMENTFILENAME] = 'SegmentFilename'; $EBMLidList[EBML_ID_SEGMENTUID] = 'SegmentUID'; $EBMLidList[EBML_ID_SIMPLETAG] = 'SimpleTag'; $EBMLidList[EBML_ID_CLUSTERSLICES] = 'ClusterSlices'; $EBMLidList[EBML_ID_STEREOMODE] = 'StereoMode'; $EBMLidList[EBML_ID_OLDSTEREOMODE] = 'OldStereoMode'; $EBMLidList[EBML_ID_TAG] = 'Tag'; $EBMLidList[EBML_ID_TAGATTACHMENTUID] = 'TagAttachmentUID'; $EBMLidList[EBML_ID_TAGBINARY] = 'TagBinary'; $EBMLidList[EBML_ID_TAGCHAPTERUID] = 'TagChapterUID'; $EBMLidList[EBML_ID_TAGDEFAULT] = 'TagDefault'; $EBMLidList[EBML_ID_TAGEDITIONUID] = 'TagEditionUID'; $EBMLidList[EBML_ID_TAGLANGUAGE] = 'TagLanguage'; $EBMLidList[EBML_ID_TAGNAME] = 'TagName'; $EBMLidList[EBML_ID_TAGTRACKUID] = 'TagTrackUID'; $EBMLidList[EBML_ID_TAGS] = 'Tags'; $EBMLidList[EBML_ID_TAGSTRING] = 'TagString'; $EBMLidList[EBML_ID_TARGETS] = 'Targets'; $EBMLidList[EBML_ID_TARGETTYPE] = 'TargetType'; $EBMLidList[EBML_ID_TARGETTYPEVALUE] = 'TargetTypeValue'; $EBMLidList[EBML_ID_TIMECODESCALE] = 'TimecodeScale'; $EBMLidList[EBML_ID_TITLE] = 'Title'; $EBMLidList[EBML_ID_TRACKENTRY] = 'TrackEntry'; $EBMLidList[EBML_ID_TRACKNUMBER] = 'TrackNumber'; $EBMLidList[EBML_ID_TRACKOFFSET] = 'TrackOffset'; $EBMLidList[EBML_ID_TRACKOVERLAY] = 'TrackOverlay'; $EBMLidList[EBML_ID_TRACKS] = 'Tracks'; $EBMLidList[EBML_ID_TRACKTIMECODESCALE] = 'TrackTimecodeScale'; $EBMLidList[EBML_ID_TRACKTRANSLATE] = 'TrackTranslate'; $EBMLidList[EBML_ID_TRACKTRANSLATECODEC] = 'TrackTranslateCodec'; $EBMLidList[EBML_ID_TRACKTRANSLATEEDITIONUID] = 'TrackTranslateEditionUID'; $EBMLidList[EBML_ID_TRACKTRANSLATETRACKID] = 'TrackTranslateTrackID'; $EBMLidList[EBML_ID_TRACKTYPE] = 'TrackType'; $EBMLidList[EBML_ID_TRACKUID] = 'TrackUID'; $EBMLidList[EBML_ID_VIDEO] = 'Video'; $EBMLidList[EBML_ID_VOID] = 'Void'; $EBMLidList[EBML_ID_WRITINGAPP] = 'WritingApp'; } return isset($EBMLidList[$value]) ? $EBMLidList[$value] : dechex($value); } public static function displayUnit($value) { static $units = array(0 => 'pixels', 1 => 'centimeters', 2 => 'inches', 3 => 'Display Aspect Ratio'); return isset($units[$value]) ? $units[$value] : 'unknown'; } private static function getDefaultStreamInfo($streams) { $stream = array(); foreach (array_reverse($streams) as $stream) { if ($stream['default']) { break; } } $unset = array('default', 'name'); foreach ($unset as $u) { if (isset($stream[$u])) { unset($stream[$u]); } } $info = $stream; $info['streams'] = $streams; return $info; } }