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Size: | 58002 |
Storage flags: | strip |
<?php
define('EBML_ID_CHAPTERS', 0x0043A770);
define('EBML_ID_SEEKHEAD', 0x014D9B74);
define('EBML_ID_TAGS', 0x0254C367);
define('EBML_ID_INFO', 0x0549A966);
define('EBML_ID_TRACKS', 0x0654AE6B);
define('EBML_ID_SEGMENT', 0x08538067);
define('EBML_ID_ATTACHMENTS', 0x0941A469);
define('EBML_ID_EBML', 0x0A45DFA3);
define('EBML_ID_CUES', 0x0C53BB6B);
define('EBML_ID_CLUSTER', 0x0F43B675);
define('EBML_ID_LANGUAGE', 0x02B59C);
define('EBML_ID_TRACKTIMECODESCALE', 0x03314F);
define('EBML_ID_DEFAULTDURATION', 0x03E383);
define('EBML_ID_CODECNAME', 0x058688);
define('EBML_ID_CODECDOWNLOADURL', 0x06B240);
define('EBML_ID_TIMECODESCALE', 0x0AD7B1);
define('EBML_ID_COLOURSPACE', 0x0EB524);
define('EBML_ID_GAMMAVALUE', 0x0FB523);
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', 0x0254);
define('EBML_ID_CONTENTCOMPSETTINGS', 0x0255);
define('EBML_ID_DOCTYPE', 0x0282);
define('EBML_ID_DOCTYPEREADVERSION', 0x0285);
define('EBML_ID_EBMLVERSION', 0x0286);
define('EBML_ID_DOCTYPEVERSION', 0x0287);
define('EBML_ID_EBMLMAXIDLENGTH', 0x02F2);
define('EBML_ID_EBMLMAXSIZELENGTH', 0x02F3);
define('EBML_ID_EBMLREADVERSION', 0x02F7);
define('EBML_ID_CHAPLANGUAGE', 0x037C);
define('EBML_ID_CHAPCOUNTRY', 0x037E);
define('EBML_ID_SEGMENTFAMILY', 0x0444);
define('EBML_ID_DATEUTC', 0x0461);
define('EBML_ID_TAGLANGUAGE', 0x047A);
define('EBML_ID_TAGDEFAULT', 0x0484);
define('EBML_ID_TAGBINARY', 0x0485);
define('EBML_ID_TAGSTRING', 0x0487);
define('EBML_ID_DURATION', 0x0489);
define('EBML_ID_CHAPPROCESSPRIVATE', 0x050D);
define('EBML_ID_CHAPTERFLAGENABLED', 0x0598);
define('EBML_ID_TAGNAME', 0x05A3);
define('EBML_ID_EDITIONENTRY', 0x05B9);
define('EBML_ID_EDITIONUID', 0x05BC);
define('EBML_ID_EDITIONFLAGHIDDEN', 0x05BD);
define('EBML_ID_EDITIONFLAGDEFAULT', 0x05DB);
define('EBML_ID_EDITIONFLAGORDERED', 0x05DD);
define('EBML_ID_FILEDATA', 0x065C);
define('EBML_ID_FILEMIMETYPE', 0x0660);
define('EBML_ID_FILENAME', 0x066E);
define('EBML_ID_FILEREFERRAL', 0x0675);
define('EBML_ID_FILEDESCRIPTION', 0x067E);
define('EBML_ID_FILEUID', 0x06AE);
define('EBML_ID_CONTENTENCALGO', 0x07E1);
define('EBML_ID_CONTENTENCKEYID', 0x07E2);
define('EBML_ID_CONTENTSIGNATURE', 0x07E3);
define('EBML_ID_CONTENTSIGKEYID', 0x07E4);
define('EBML_ID_CONTENTSIGALGO', 0x07E5);
define('EBML_ID_CONTENTSIGHASHALGO', 0x07E6);
define('EBML_ID_MUXINGAPP', 0x0D80);
define('EBML_ID_SEEK', 0x0DBB);
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', 0x00);
define('EBML_ID_TRACKTYPE', 0x03);
define('EBML_ID_CHAPSTRING', 0x05);
define('EBML_ID_CODECID', 0x06);
define('EBML_ID_FLAGDEFAULT', 0x08);
define('EBML_ID_CHAPTERTRACKNUMBER', 0x09);
define('EBML_ID_CLUSTERSLICES', 0x0E);
define('EBML_ID_CHAPTERTRACK', 0x0F);
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) {
$info['error'][] = 'EBML parser: '.$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'][] = $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'] = $trackarray['SamplingFrequency'] * $trackarray['Channels'] * $trackarray['BitDepth'];
break;
case 'A_AC3':
case 'A_DTS':
case 'A_MPEG/L3':
case 'A_MPEG/L2':
case 'A_FLAC':
getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.'.($track_info['dataformat'] == 'mp2' ? 'mp3' : $track_info['dataformat']).'.php', __FILE__, true);
if (!isset($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);
}
$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'];
}
$class = 'getid3_'.($track_info['dataformat'] == 'mp2' ? 'mp3' : $track_info['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 $key => $value) {
$track_info[$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 $key => $value) {
$track_info[$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 $key => $value) {
if ($key != 'raw') {
$track_info[$key] = $value;
}
}
$info['matroska']['track_codec_parsed'][$trackarray['TrackNumber']] = $parsed;
break;
default:
$this->warning('Unhandled audio type "'.(isset($trackarray['CodecID']) ? $trackarray['CodecID'] : '').'"');
}
$info['audio']['streams'][] = $track_info;
break;
}
}
if (!empty($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']);
}
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__, $element_data);
}
unset($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__, $sub_seek_entry); }
}
if ($seek_entry['target_id'] != EBML_ID_CLUSTER || !self::$hide_clusters) {
$info['matroska']['seek'][] = $seek_entry;
}
break;
default:
$this->unhandledElement('seekhead', __LINE__, $seek_entry);
}
}
break;
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_TRACKNUMBER:
case EBML_ID_TRACKUID:
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__, $sub_subelement);
}
}
break;
case EBML_ID_AUDIO:
while ($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__, $sub_subelement);
}
}
break;
case EBML_ID_CONTENTENCODINGS:
while ($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__, $sub_sub_sub_subelement);
}
}
break;
case EBML_ID_CONTENTENCRYPTION:
while ($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;
default:
$this->unhandledElement('track.contentencodings.contentencoding', __LINE__, $sub_sub_subelement);
}
}
break;
default:
$this->unhandledElement('track.contentencodings', __LINE__, $sub_subelement);
}
}
break;
default:
$this->unhandledElement('track', __LINE__, $subelement);
}
}
$info['matroska']['tracks']['tracks'][] = $track_entry;
break;
default:
$this->unhandledElement('tracks', __LINE__, $track_entry);
}
}
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);
}
}
$info_entry[$subelement['id_name']] = $chaptertranslate_entry;
break;
default:
$this->unhandledElement('info', __LINE__, $subelement);
}
}
$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);
}
}
$cuepoint_entry[$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);
}
}
$cues_entry[] = $cuepoint_entry;
break;
default:
$this->unhandledElement('cues', __LINE__, $subelement);
}
}
$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::BigEndian2Int($sub_sub_subelement['data']);
break;
default:
$this->unhandledElement('tags.tag.targets', __LINE__, $sub_sub_subelement);
}
}
$tag_entry[$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);
}
}
$tags_entry[] = $tag_entry;
break;
default:
$this->unhandledElement('tags', __LINE__, $subelement);
}
}
$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);
}
}
$info['matroska']['attachments'][] = $attachedfile_entry;
break;
default:
$this->unhandledElement('attachments', __LINE__, $subelement);
}
}
break;
case EBML_ID_CHAPTERS:
while ($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);
}
}
$chapteratom_entry[$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);
}
}
$chapteratom_entry[$sub_sub_subelement['id_name']][] = $chapterdisplay_entry;
break;
default:
$this->unhandledElement('chapters.editionentry.chapteratom', __LINE__, $sub_sub_subelement);
}
}
$editionentry_entry[$sub_subelement['id_name']][] = $chapteratom_entry;
break;
default:
$this->unhandledElement('chapters.editionentry', __LINE__, $sub_subelement);
}
}
$info['matroska']['chapters'][] = $editionentry_entry;
break;
default:
$this->unhandledElement('chapters', __LINE__, $subelement);
}
}
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);
}
}
$cluster_entry[$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);
}
}
$cluster_entry[$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);
}
$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;
default:
$this->unhandledElement('root', __LINE__, $top_element);
}
}
}
private function EnsureBufferHasEnoughData($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 (0x08 & $first_byte_int) {
$length = 5;
} elseif (0x04 & $first_byte_int) {
$length = 6;
} elseif (0x02 & $first_byte_int) {
$length = 7;
} elseif (0x01 & $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);
}
}
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'] & 0x08) >> 3);
$block_data['flags']['lacing'] = (($block_data['flags_raw'] & 0x06) >> 1);
if ($block_type == EBML_ID_CLUSTERSIMPLEBLOCK) {
$block_data['flags']['discardable'] = (($block_data['flags_raw'] & 0x01));
}
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 ($block_data['flags']['lacing'] != 0x02) {
for ($i = 1; $i < $block_data['lace_frames']; $i ++) {
if ($block_data['flags']['lacing'] == 0x03) {
$block_data['lace_frames_size'][$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'] == 0x01) {
$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 & 0x0F);
} elseif (0x08 & $first_byte_int) {
$EBMLstring[0] = chr($first_byte_int & 0x07);
} elseif (0x04 & $first_byte_int) {
$EBMLstring[0] = chr($first_byte_int & 0x03);
} elseif (0x02 & $first_byte_int) {
$EBMLstring[0] = chr($first_byte_int & 0x01);
} elseif (0x01 & $first_byte_int) {
$EBMLstring[0] = chr($first_byte_int & 0x00);
}
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[0x00] = 'no lacing';
$BlockLacingType[0x01] = 'Xiph lacing';
$BlockLacingType[0x02] = 'fixed-size lacing';
$BlockLacingType[0x03] = 'EBML lacing';
}
return (isset($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_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($streams)
{
foreach (array_reverse($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;
}
}