/Vendor/getid3/module.audio-video.riff.php
PHP | 2586 lines | 1541 code | 270 blank | 775 comment | 292 complexity | ee82540f026662197f7003474fd92de2 MD5 | raw file
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- <?php
- /////////////////////////////////////////////////////////////////
- /// getID3() by James Heinrich <info@getid3.org> //
- // available at http://getid3.sourceforge.net //
- // or http://www.getid3.org //
- // also https://github.com/JamesHeinrich/getID3 //
- /////////////////////////////////////////////////////////////////
- // See readme.txt for more details //
- /////////////////////////////////////////////////////////////////
- // //
- // module.audio-video.riff.php //
- // module for analyzing RIFF files //
- // multiple formats supported by this module: //
- // Wave, AVI, AIFF/AIFC, (MP3,AC3)/RIFF, Wavpack v3, 8SVX //
- // dependencies: module.audio.mp3.php //
- // module.audio.ac3.php //
- // module.audio.dts.php //
- // ///
- /////////////////////////////////////////////////////////////////
- /**
- * @todo Parse AC-3/DTS audio inside WAVE correctly
- * @todo Rewrite RIFF parser totally
- */
- getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.mp3.php', __FILE__, true);
- getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.ac3.php', __FILE__, true);
- getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.dts.php', __FILE__, true);
- class getid3_riff extends getid3_handler {
- protected $container = 'riff'; // default
- public function Analyze() {
- $info = &$this->getid3->info;
- // initialize these values to an empty array, otherwise they default to NULL
- // and you can't append array values to a NULL value
- $info['riff'] = array('raw'=>array());
- // Shortcuts
- $thisfile_riff = &$info['riff'];
- $thisfile_riff_raw = &$thisfile_riff['raw'];
- $thisfile_audio = &$info['audio'];
- $thisfile_video = &$info['video'];
- $thisfile_audio_dataformat = &$thisfile_audio['dataformat'];
- $thisfile_riff_audio = &$thisfile_riff['audio'];
- $thisfile_riff_video = &$thisfile_riff['video'];
- $Original['avdataoffset'] = $info['avdataoffset'];
- $Original['avdataend'] = $info['avdataend'];
- $this->fseek($info['avdataoffset']);
- $RIFFheader = $this->fread(12);
- $offset = $this->ftell();
- $RIFFtype = substr($RIFFheader, 0, 4);
- $RIFFsize = substr($RIFFheader, 4, 4);
- $RIFFsubtype = substr($RIFFheader, 8, 4);
- switch ($RIFFtype) {
- case 'FORM': // AIFF, AIFC
- //$info['fileformat'] = 'aiff';
- $this->container = 'aiff';
- $thisfile_riff['header_size'] = $this->EitherEndian2Int($RIFFsize);
- $thisfile_riff[$RIFFsubtype] = $this->ParseRIFF($offset, ($offset + $thisfile_riff['header_size'] - 4));
- break;
- case 'RIFF': // AVI, WAV, etc
- case 'SDSS': // SDSS is identical to RIFF, just renamed. Used by SmartSound QuickTracks (www.smartsound.com)
- case 'RMP3': // RMP3 is identical to RIFF, just renamed. Used by [unknown program] when creating RIFF-MP3s
- //$info['fileformat'] = 'riff';
- $this->container = 'riff';
- $thisfile_riff['header_size'] = $this->EitherEndian2Int($RIFFsize);
- if ($RIFFsubtype == 'RMP3') {
- // RMP3 is identical to WAVE, just renamed. Used by [unknown program] when creating RIFF-MP3s
- $RIFFsubtype = 'WAVE';
- }
- if ($RIFFsubtype != 'AMV ') {
- // AMV files are RIFF-AVI files with parts of the spec deliberately broken, such as chunk size fields hardcoded to zero (because players known in hardware that these fields are always a certain size
- // Handled separately in ParseRIFFAMV()
- $thisfile_riff[$RIFFsubtype] = $this->ParseRIFF($offset, ($offset + $thisfile_riff['header_size'] - 4));
- }
- if (($info['avdataend'] - $info['filesize']) == 1) {
- // LiteWave appears to incorrectly *not* pad actual output file
- // to nearest WORD boundary so may appear to be short by one
- // byte, in which case - skip warning
- $info['avdataend'] = $info['filesize'];
- }
- $nextRIFFoffset = $Original['avdataoffset'] + 8 + $thisfile_riff['header_size']; // 8 = "RIFF" + 32-bit offset
- while ($nextRIFFoffset < min($info['filesize'], $info['avdataend'])) {
- try {
- $this->fseek($nextRIFFoffset);
- } catch (getid3_exception $e) {
- if ($e->getCode() == 10) {
- //$this->warning('RIFF parser: '.$e->getMessage());
- $this->error('AVI extends beyond '.round(PHP_INT_MAX / 1073741824).'GB and PHP filesystem functions cannot read that far, playtime may be wrong');
- $this->warning('[avdataend] value may be incorrect, multiple AVIX chunks may be present');
- break;
- } else {
- throw $e;
- }
- }
- $nextRIFFheader = $this->fread(12);
- if ($nextRIFFoffset == ($info['avdataend'] - 1)) {
- if (substr($nextRIFFheader, 0, 1) == "\x00") {
- // RIFF padded to WORD boundary, we're actually already at the end
- break;
- }
- }
- $nextRIFFheaderID = substr($nextRIFFheader, 0, 4);
- $nextRIFFsize = $this->EitherEndian2Int(substr($nextRIFFheader, 4, 4));
- $nextRIFFtype = substr($nextRIFFheader, 8, 4);
- $chunkdata = array();
- $chunkdata['offset'] = $nextRIFFoffset + 8;
- $chunkdata['size'] = $nextRIFFsize;
- $nextRIFFoffset = $chunkdata['offset'] + $chunkdata['size'];
- switch ($nextRIFFheaderID) {
- case 'RIFF':
- $chunkdata['chunks'] = $this->ParseRIFF($chunkdata['offset'] + 4, $nextRIFFoffset);
- if (!isset($thisfile_riff[$nextRIFFtype])) {
- $thisfile_riff[$nextRIFFtype] = array();
- }
- $thisfile_riff[$nextRIFFtype][] = $chunkdata;
- break;
- case 'AMV ':
- unset($info['riff']);
- $info['amv'] = $this->ParseRIFFAMV($chunkdata['offset'] + 4, $nextRIFFoffset);
- break;
- case 'JUNK':
- // ignore
- $thisfile_riff[$nextRIFFheaderID][] = $chunkdata;
- break;
- case 'IDVX':
- $info['divxtag']['comments'] = self::ParseDIVXTAG($this->fread($chunkdata['size']));
- break;
- default:
- if ($info['filesize'] == ($chunkdata['offset'] - 8 + 128)) {
- $DIVXTAG = $nextRIFFheader.$this->fread(128 - 12);
- if (substr($DIVXTAG, -7) == 'DIVXTAG') {
- // DIVXTAG is supposed to be inside an IDVX chunk in a LIST chunk, but some bad encoders just slap it on the end of a file
- $this->warning('Found wrongly-structured DIVXTAG at offset '.($this->ftell() - 128).', parsing anyway');
- $info['divxtag']['comments'] = self::ParseDIVXTAG($DIVXTAG);
- break 2;
- }
- }
- $this->warning('Expecting "RIFF|JUNK|IDVX" at '.$nextRIFFoffset.', found "'.$nextRIFFheaderID.'" ('.getid3_lib::PrintHexBytes($nextRIFFheaderID).') - skipping rest of file');
- break 2;
- }
- }
- if ($RIFFsubtype == 'WAVE') {
- $thisfile_riff_WAVE = &$thisfile_riff['WAVE'];
- }
- break;
- default:
- $this->error('Cannot parse RIFF (this is maybe not a RIFF / WAV / AVI file?) - expecting "FORM|RIFF|SDSS|RMP3" found "'.$RIFFsubtype.'" instead');
- //unset($info['fileformat']);
- return false;
- }
- $streamindex = 0;
- switch ($RIFFsubtype) {
- // http://en.wikipedia.org/wiki/Wav
- case 'WAVE':
- $info['fileformat'] = 'wav';
- if (empty($thisfile_audio['bitrate_mode'])) {
- $thisfile_audio['bitrate_mode'] = 'cbr';
- }
- if (empty($thisfile_audio_dataformat)) {
- $thisfile_audio_dataformat = 'wav';
- }
- if (isset($thisfile_riff_WAVE['data'][0]['offset'])) {
- $info['avdataoffset'] = $thisfile_riff_WAVE['data'][0]['offset'] + 8;
- $info['avdataend'] = $info['avdataoffset'] + $thisfile_riff_WAVE['data'][0]['size'];
- }
- if (isset($thisfile_riff_WAVE['fmt '][0]['data'])) {
- $thisfile_riff_audio[$streamindex] = self::parseWAVEFORMATex($thisfile_riff_WAVE['fmt '][0]['data']);
- $thisfile_audio['wformattag'] = $thisfile_riff_audio[$streamindex]['raw']['wFormatTag'];
- if (!isset($thisfile_riff_audio[$streamindex]['bitrate']) || ($thisfile_riff_audio[$streamindex]['bitrate'] == 0)) {
- $info['error'][] = 'Corrupt RIFF file: bitrate_audio == zero';
- return false;
- }
- $thisfile_riff_raw['fmt '] = $thisfile_riff_audio[$streamindex]['raw'];
- unset($thisfile_riff_audio[$streamindex]['raw']);
- $thisfile_audio['streams'][$streamindex] = $thisfile_riff_audio[$streamindex];
- $thisfile_audio = getid3_lib::array_merge_noclobber($thisfile_audio, $thisfile_riff_audio[$streamindex]);
- if (substr($thisfile_audio['codec'], 0, strlen('unknown: 0x')) == 'unknown: 0x') {
- $info['warning'][] = 'Audio codec = '.$thisfile_audio['codec'];
- }
- $thisfile_audio['bitrate'] = $thisfile_riff_audio[$streamindex]['bitrate'];
- if (empty($info['playtime_seconds'])) { // may already be set (e.g. DTS-WAV)
- $info['playtime_seconds'] = (float) ((($info['avdataend'] - $info['avdataoffset']) * 8) / $thisfile_audio['bitrate']);
- }
- $thisfile_audio['lossless'] = false;
- if (isset($thisfile_riff_WAVE['data'][0]['offset']) && isset($thisfile_riff_raw['fmt ']['wFormatTag'])) {
- switch ($thisfile_riff_raw['fmt ']['wFormatTag']) {
- case 0x0001: // PCM
- $thisfile_audio['lossless'] = true;
- break;
- case 0x2000: // AC-3
- $thisfile_audio_dataformat = 'ac3';
- break;
- default:
- // do nothing
- break;
- }
- }
- $thisfile_audio['streams'][$streamindex]['wformattag'] = $thisfile_audio['wformattag'];
- $thisfile_audio['streams'][$streamindex]['bitrate_mode'] = $thisfile_audio['bitrate_mode'];
- $thisfile_audio['streams'][$streamindex]['lossless'] = $thisfile_audio['lossless'];
- $thisfile_audio['streams'][$streamindex]['dataformat'] = $thisfile_audio_dataformat;
- }
- if (isset($thisfile_riff_WAVE['rgad'][0]['data'])) {
- // shortcuts
- $rgadData = &$thisfile_riff_WAVE['rgad'][0]['data'];
- $thisfile_riff_raw['rgad'] = array('track'=>array(), 'album'=>array());
- $thisfile_riff_raw_rgad = &$thisfile_riff_raw['rgad'];
- $thisfile_riff_raw_rgad_track = &$thisfile_riff_raw_rgad['track'];
- $thisfile_riff_raw_rgad_album = &$thisfile_riff_raw_rgad['album'];
- $thisfile_riff_raw_rgad['fPeakAmplitude'] = getid3_lib::LittleEndian2Float(substr($rgadData, 0, 4));
- $thisfile_riff_raw_rgad['nRadioRgAdjust'] = $this->EitherEndian2Int(substr($rgadData, 4, 2));
- $thisfile_riff_raw_rgad['nAudiophileRgAdjust'] = $this->EitherEndian2Int(substr($rgadData, 6, 2));
- $nRadioRgAdjustBitstring = str_pad(getid3_lib::Dec2Bin($thisfile_riff_raw_rgad['nRadioRgAdjust']), 16, '0', STR_PAD_LEFT);
- $nAudiophileRgAdjustBitstring = str_pad(getid3_lib::Dec2Bin($thisfile_riff_raw_rgad['nAudiophileRgAdjust']), 16, '0', STR_PAD_LEFT);
- $thisfile_riff_raw_rgad_track['name'] = getid3_lib::Bin2Dec(substr($nRadioRgAdjustBitstring, 0, 3));
- $thisfile_riff_raw_rgad_track['originator'] = getid3_lib::Bin2Dec(substr($nRadioRgAdjustBitstring, 3, 3));
- $thisfile_riff_raw_rgad_track['signbit'] = getid3_lib::Bin2Dec(substr($nRadioRgAdjustBitstring, 6, 1));
- $thisfile_riff_raw_rgad_track['adjustment'] = getid3_lib::Bin2Dec(substr($nRadioRgAdjustBitstring, 7, 9));
- $thisfile_riff_raw_rgad_album['name'] = getid3_lib::Bin2Dec(substr($nAudiophileRgAdjustBitstring, 0, 3));
- $thisfile_riff_raw_rgad_album['originator'] = getid3_lib::Bin2Dec(substr($nAudiophileRgAdjustBitstring, 3, 3));
- $thisfile_riff_raw_rgad_album['signbit'] = getid3_lib::Bin2Dec(substr($nAudiophileRgAdjustBitstring, 6, 1));
- $thisfile_riff_raw_rgad_album['adjustment'] = getid3_lib::Bin2Dec(substr($nAudiophileRgAdjustBitstring, 7, 9));
- $thisfile_riff['rgad']['peakamplitude'] = $thisfile_riff_raw_rgad['fPeakAmplitude'];
- if (($thisfile_riff_raw_rgad_track['name'] != 0) && ($thisfile_riff_raw_rgad_track['originator'] != 0)) {
- $thisfile_riff['rgad']['track']['name'] = getid3_lib::RGADnameLookup($thisfile_riff_raw_rgad_track['name']);
- $thisfile_riff['rgad']['track']['originator'] = getid3_lib::RGADoriginatorLookup($thisfile_riff_raw_rgad_track['originator']);
- $thisfile_riff['rgad']['track']['adjustment'] = getid3_lib::RGADadjustmentLookup($thisfile_riff_raw_rgad_track['adjustment'], $thisfile_riff_raw_rgad_track['signbit']);
- }
- if (($thisfile_riff_raw_rgad_album['name'] != 0) && ($thisfile_riff_raw_rgad_album['originator'] != 0)) {
- $thisfile_riff['rgad']['album']['name'] = getid3_lib::RGADnameLookup($thisfile_riff_raw_rgad_album['name']);
- $thisfile_riff['rgad']['album']['originator'] = getid3_lib::RGADoriginatorLookup($thisfile_riff_raw_rgad_album['originator']);
- $thisfile_riff['rgad']['album']['adjustment'] = getid3_lib::RGADadjustmentLookup($thisfile_riff_raw_rgad_album['adjustment'], $thisfile_riff_raw_rgad_album['signbit']);
- }
- }
- if (isset($thisfile_riff_WAVE['fact'][0]['data'])) {
- $thisfile_riff_raw['fact']['NumberOfSamples'] = $this->EitherEndian2Int(substr($thisfile_riff_WAVE['fact'][0]['data'], 0, 4));
- // This should be a good way of calculating exact playtime,
- // but some sample files have had incorrect number of samples,
- // so cannot use this method
- // if (!empty($thisfile_riff_raw['fmt ']['nSamplesPerSec'])) {
- // $info['playtime_seconds'] = (float) $thisfile_riff_raw['fact']['NumberOfSamples'] / $thisfile_riff_raw['fmt ']['nSamplesPerSec'];
- // }
- }
- if (!empty($thisfile_riff_raw['fmt ']['nAvgBytesPerSec'])) {
- $thisfile_audio['bitrate'] = getid3_lib::CastAsInt($thisfile_riff_raw['fmt ']['nAvgBytesPerSec'] * 8);
- }
- if (isset($thisfile_riff_WAVE['bext'][0]['data'])) {
- // shortcut
- $thisfile_riff_WAVE_bext_0 = &$thisfile_riff_WAVE['bext'][0];
- $thisfile_riff_WAVE_bext_0['title'] = trim(substr($thisfile_riff_WAVE_bext_0['data'], 0, 256));
- $thisfile_riff_WAVE_bext_0['author'] = trim(substr($thisfile_riff_WAVE_bext_0['data'], 256, 32));
- $thisfile_riff_WAVE_bext_0['reference'] = trim(substr($thisfile_riff_WAVE_bext_0['data'], 288, 32));
- $thisfile_riff_WAVE_bext_0['origin_date'] = substr($thisfile_riff_WAVE_bext_0['data'], 320, 10);
- $thisfile_riff_WAVE_bext_0['origin_time'] = substr($thisfile_riff_WAVE_bext_0['data'], 330, 8);
- $thisfile_riff_WAVE_bext_0['time_reference'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_bext_0['data'], 338, 8));
- $thisfile_riff_WAVE_bext_0['bwf_version'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_bext_0['data'], 346, 1));
- $thisfile_riff_WAVE_bext_0['reserved'] = substr($thisfile_riff_WAVE_bext_0['data'], 347, 254);
- $thisfile_riff_WAVE_bext_0['coding_history'] = explode("\r\n", trim(substr($thisfile_riff_WAVE_bext_0['data'], 601)));
- if (preg_match('#^([0-9]{4}).([0-9]{2}).([0-9]{2})$#', $thisfile_riff_WAVE_bext_0['origin_date'], $matches_bext_date)) {
- if (preg_match('#^([0-9]{2}).([0-9]{2}).([0-9]{2})$#', $thisfile_riff_WAVE_bext_0['origin_time'], $matches_bext_time)) {
- list($dummy, $bext_timestamp['year'], $bext_timestamp['month'], $bext_timestamp['day']) = $matches_bext_date;
- list($dummy, $bext_timestamp['hour'], $bext_timestamp['minute'], $bext_timestamp['second']) = $matches_bext_time;
- $thisfile_riff_WAVE_bext_0['origin_date_unix'] = gmmktime($bext_timestamp['hour'], $bext_timestamp['minute'], $bext_timestamp['second'], $bext_timestamp['month'], $bext_timestamp['day'], $bext_timestamp['year']);
- } else {
- $info['warning'][] = 'RIFF.WAVE.BEXT.origin_time is invalid';
- }
- } else {
- $info['warning'][] = 'RIFF.WAVE.BEXT.origin_date is invalid';
- }
- $thisfile_riff['comments']['author'][] = $thisfile_riff_WAVE_bext_0['author'];
- $thisfile_riff['comments']['title'][] = $thisfile_riff_WAVE_bext_0['title'];
- }
- if (isset($thisfile_riff_WAVE['MEXT'][0]['data'])) {
- // shortcut
- $thisfile_riff_WAVE_MEXT_0 = &$thisfile_riff_WAVE['MEXT'][0];
- $thisfile_riff_WAVE_MEXT_0['raw']['sound_information'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_MEXT_0['data'], 0, 2));
- $thisfile_riff_WAVE_MEXT_0['flags']['homogenous'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['sound_information'] & 0x0001);
- if ($thisfile_riff_WAVE_MEXT_0['flags']['homogenous']) {
- $thisfile_riff_WAVE_MEXT_0['flags']['padding'] = ($thisfile_riff_WAVE_MEXT_0['raw']['sound_information'] & 0x0002) ? false : true;
- $thisfile_riff_WAVE_MEXT_0['flags']['22_or_44'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['sound_information'] & 0x0004);
- $thisfile_riff_WAVE_MEXT_0['flags']['free_format'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['sound_information'] & 0x0008);
- $thisfile_riff_WAVE_MEXT_0['nominal_frame_size'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_MEXT_0['data'], 2, 2));
- }
- $thisfile_riff_WAVE_MEXT_0['anciliary_data_length'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_MEXT_0['data'], 6, 2));
- $thisfile_riff_WAVE_MEXT_0['raw']['anciliary_data_def'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_MEXT_0['data'], 8, 2));
- $thisfile_riff_WAVE_MEXT_0['flags']['anciliary_data_left'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['anciliary_data_def'] & 0x0001);
- $thisfile_riff_WAVE_MEXT_0['flags']['anciliary_data_free'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['anciliary_data_def'] & 0x0002);
- $thisfile_riff_WAVE_MEXT_0['flags']['anciliary_data_right'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['anciliary_data_def'] & 0x0004);
- }
- if (isset($thisfile_riff_WAVE['cart'][0]['data'])) {
- // shortcut
- $thisfile_riff_WAVE_cart_0 = &$thisfile_riff_WAVE['cart'][0];
- $thisfile_riff_WAVE_cart_0['version'] = substr($thisfile_riff_WAVE_cart_0['data'], 0, 4);
- $thisfile_riff_WAVE_cart_0['title'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 4, 64));
- $thisfile_riff_WAVE_cart_0['artist'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 68, 64));
- $thisfile_riff_WAVE_cart_0['cut_id'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 132, 64));
- $thisfile_riff_WAVE_cart_0['client_id'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 196, 64));
- $thisfile_riff_WAVE_cart_0['category'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 260, 64));
- $thisfile_riff_WAVE_cart_0['classification'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 324, 64));
- $thisfile_riff_WAVE_cart_0['out_cue'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 388, 64));
- $thisfile_riff_WAVE_cart_0['start_date'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 452, 10));
- $thisfile_riff_WAVE_cart_0['start_time'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 462, 8));
- $thisfile_riff_WAVE_cart_0['end_date'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 470, 10));
- $thisfile_riff_WAVE_cart_0['end_time'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 480, 8));
- $thisfile_riff_WAVE_cart_0['producer_app_id'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 488, 64));
- $thisfile_riff_WAVE_cart_0['producer_app_version'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 552, 64));
- $thisfile_riff_WAVE_cart_0['user_defined_text'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 616, 64));
- $thisfile_riff_WAVE_cart_0['zero_db_reference'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_cart_0['data'], 680, 4), true);
- for ($i = 0; $i < 8; $i++) {
- $thisfile_riff_WAVE_cart_0['post_time'][$i]['usage_fourcc'] = substr($thisfile_riff_WAVE_cart_0['data'], 684 + ($i * 8), 4);
- $thisfile_riff_WAVE_cart_0['post_time'][$i]['timer_value'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_cart_0['data'], 684 + ($i * 8) + 4, 4));
- }
- $thisfile_riff_WAVE_cart_0['url'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 748, 1024));
- $thisfile_riff_WAVE_cart_0['tag_text'] = explode("\r\n", trim(substr($thisfile_riff_WAVE_cart_0['data'], 1772)));
- $thisfile_riff['comments']['artist'][] = $thisfile_riff_WAVE_cart_0['artist'];
- $thisfile_riff['comments']['title'][] = $thisfile_riff_WAVE_cart_0['title'];
- }
- if (isset($thisfile_riff_WAVE['SNDM'][0]['data'])) {
- // SoundMiner metadata
- // shortcuts
- $thisfile_riff_WAVE_SNDM_0 = &$thisfile_riff_WAVE['SNDM'][0];
- $thisfile_riff_WAVE_SNDM_0_data = &$thisfile_riff_WAVE_SNDM_0['data'];
- $SNDM_startoffset = 0;
- $SNDM_endoffset = $thisfile_riff_WAVE_SNDM_0['size'];
- while ($SNDM_startoffset < $SNDM_endoffset) {
- $SNDM_thisTagOffset = 0;
- $SNDM_thisTagSize = getid3_lib::BigEndian2Int(substr($thisfile_riff_WAVE_SNDM_0_data, $SNDM_startoffset + $SNDM_thisTagOffset, 4));
- $SNDM_thisTagOffset += 4;
- $SNDM_thisTagKey = substr($thisfile_riff_WAVE_SNDM_0_data, $SNDM_startoffset + $SNDM_thisTagOffset, 4);
- $SNDM_thisTagOffset += 4;
- $SNDM_thisTagDataSize = getid3_lib::BigEndian2Int(substr($thisfile_riff_WAVE_SNDM_0_data, $SNDM_startoffset + $SNDM_thisTagOffset, 2));
- $SNDM_thisTagOffset += 2;
- $SNDM_thisTagDataFlags = getid3_lib::BigEndian2Int(substr($thisfile_riff_WAVE_SNDM_0_data, $SNDM_startoffset + $SNDM_thisTagOffset, 2));
- $SNDM_thisTagOffset += 2;
- $SNDM_thisTagDataText = substr($thisfile_riff_WAVE_SNDM_0_data, $SNDM_startoffset + $SNDM_thisTagOffset, $SNDM_thisTagDataSize);
- $SNDM_thisTagOffset += $SNDM_thisTagDataSize;
- if ($SNDM_thisTagSize != (4 + 4 + 2 + 2 + $SNDM_thisTagDataSize)) {
- $info['warning'][] = 'RIFF.WAVE.SNDM.data contains tag not expected length (expected: '.$SNDM_thisTagSize.', found: '.(4 + 4 + 2 + 2 + $SNDM_thisTagDataSize).') at offset '.$SNDM_startoffset.' (file offset '.($thisfile_riff_WAVE_SNDM_0['offset'] + $SNDM_startoffset).')';
- break;
- } elseif ($SNDM_thisTagSize <= 0) {
- $info['warning'][] = 'RIFF.WAVE.SNDM.data contains zero-size tag at offset '.$SNDM_startoffset.' (file offset '.($thisfile_riff_WAVE_SNDM_0['offset'] + $SNDM_startoffset).')';
- break;
- }
- $SNDM_startoffset += $SNDM_thisTagSize;
- $thisfile_riff_WAVE_SNDM_0['parsed_raw'][$SNDM_thisTagKey] = $SNDM_thisTagDataText;
- if ($parsedkey = self::waveSNDMtagLookup($SNDM_thisTagKey)) {
- $thisfile_riff_WAVE_SNDM_0['parsed'][$parsedkey] = $SNDM_thisTagDataText;
- } else {
- $info['warning'][] = 'RIFF.WAVE.SNDM contains unknown tag "'.$SNDM_thisTagKey.'" at offset '.$SNDM_startoffset.' (file offset '.($thisfile_riff_WAVE_SNDM_0['offset'] + $SNDM_startoffset).')';
- }
- }
- $tagmapping = array(
- 'tracktitle'=>'title',
- 'category' =>'genre',
- 'cdtitle' =>'album',
- 'tracktitle'=>'title',
- );
- foreach ($tagmapping as $fromkey => $tokey) {
- if (isset($thisfile_riff_WAVE_SNDM_0['parsed'][$fromkey])) {
- $thisfile_riff['comments'][$tokey][] = $thisfile_riff_WAVE_SNDM_0['parsed'][$fromkey];
- }
- }
- }
- if (isset($thisfile_riff_WAVE['iXML'][0]['data'])) {
- // requires functions simplexml_load_string and get_object_vars
- if ($parsedXML = getid3_lib::XML2array($thisfile_riff_WAVE['iXML'][0]['data'])) {
- $thisfile_riff_WAVE['iXML'][0]['parsed'] = $parsedXML;
- if (isset($parsedXML['SPEED']['MASTER_SPEED'])) {
- @list($numerator, $denominator) = explode('/', $parsedXML['SPEED']['MASTER_SPEED']);
- $thisfile_riff_WAVE['iXML'][0]['master_speed'] = $numerator / ($denominator ? $denominator : 1000);
- }
- if (isset($parsedXML['SPEED']['TIMECODE_RATE'])) {
- @list($numerator, $denominator) = explode('/', $parsedXML['SPEED']['TIMECODE_RATE']);
- $thisfile_riff_WAVE['iXML'][0]['timecode_rate'] = $numerator / ($denominator ? $denominator : 1000);
- }
- if (isset($parsedXML['SPEED']['TIMESTAMP_SAMPLES_SINCE_MIDNIGHT_LO']) && !empty($parsedXML['SPEED']['TIMESTAMP_SAMPLE_RATE']) && !empty($thisfile_riff_WAVE['iXML'][0]['timecode_rate'])) {
- $samples_since_midnight = floatval(ltrim($parsedXML['SPEED']['TIMESTAMP_SAMPLES_SINCE_MIDNIGHT_HI'].$parsedXML['SPEED']['TIMESTAMP_SAMPLES_SINCE_MIDNIGHT_LO'], '0'));
- $thisfile_riff_WAVE['iXML'][0]['timecode_seconds'] = $samples_since_midnight / $parsedXML['SPEED']['TIMESTAMP_SAMPLE_RATE'];
- $h = floor( $thisfile_riff_WAVE['iXML'][0]['timecode_seconds'] / 3600);
- $m = floor(($thisfile_riff_WAVE['iXML'][0]['timecode_seconds'] - ($h * 3600)) / 60);
- $s = floor( $thisfile_riff_WAVE['iXML'][0]['timecode_seconds'] - ($h * 3600) - ($m * 60));
- $f = ($thisfile_riff_WAVE['iXML'][0]['timecode_seconds'] - ($h * 3600) - ($m * 60) - $s) * $thisfile_riff_WAVE['iXML'][0]['timecode_rate'];
- $thisfile_riff_WAVE['iXML'][0]['timecode_string'] = sprintf('%02d:%02d:%02d:%05.2f', $h, $m, $s, $f);
- $thisfile_riff_WAVE['iXML'][0]['timecode_string_round'] = sprintf('%02d:%02d:%02d:%02d', $h, $m, $s, round($f));
- }
- unset($parsedXML);
- }
- }
- if (!isset($thisfile_audio['bitrate']) && isset($thisfile_riff_audio[$streamindex]['bitrate'])) {
- $thisfile_audio['bitrate'] = $thisfile_riff_audio[$streamindex]['bitrate'];
- $info['playtime_seconds'] = (float) ((($info['avdataend'] - $info['avdataoffset']) * 8) / $thisfile_audio['bitrate']);
- }
- if (!empty($info['wavpack'])) {
- $thisfile_audio_dataformat = 'wavpack';
- $thisfile_audio['bitrate_mode'] = 'vbr';
- $thisfile_audio['encoder'] = 'WavPack v'.$info['wavpack']['version'];
- // Reset to the way it was - RIFF parsing will have messed this up
- $info['avdataend'] = $Original['avdataend'];
- $thisfile_audio['bitrate'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / $info['playtime_seconds'];
- $this->fseek($info['avdataoffset'] - 44);
- $RIFFdata = $this->fread(44);
- $OrignalRIFFheaderSize = getid3_lib::LittleEndian2Int(substr($RIFFdata, 4, 4)) + 8;
- $OrignalRIFFdataSize = getid3_lib::LittleEndian2Int(substr($RIFFdata, 40, 4)) + 44;
- if ($OrignalRIFFheaderSize > $OrignalRIFFdataSize) {
- $info['avdataend'] -= ($OrignalRIFFheaderSize - $OrignalRIFFdataSize);
- $this->fseek($info['avdataend']);
- $RIFFdata .= $this->fread($OrignalRIFFheaderSize - $OrignalRIFFdataSize);
- }
- // move the data chunk after all other chunks (if any)
- // so that the RIFF parser doesn't see EOF when trying
- // to skip over the data chunk
- $RIFFdata = substr($RIFFdata, 0, 36).substr($RIFFdata, 44).substr($RIFFdata, 36, 8);
- $getid3_riff = new getid3_riff($this->getid3);
- $getid3_riff->ParseRIFFdata($RIFFdata);
- unset($getid3_riff);
- }
- if (isset($thisfile_riff_raw['fmt ']['wFormatTag'])) {
- switch ($thisfile_riff_raw['fmt ']['wFormatTag']) {
- case 0x0001: // PCM
- if (!empty($info['ac3'])) {
- // Dolby Digital WAV files masquerade as PCM-WAV, but they're not
- $thisfile_audio['wformattag'] = 0x2000;
- $thisfile_audio['codec'] = self::wFormatTagLookup($thisfile_audio['wformattag']);
- $thisfile_audio['lossless'] = false;
- $thisfile_audio['bitrate'] = $info['ac3']['bitrate'];
- $thisfile_audio['sample_rate'] = $info['ac3']['sample_rate'];
- }
- if (!empty($info['dts'])) {
- // Dolby DTS files masquerade as PCM-WAV, but they're not
- $thisfile_audio['wformattag'] = 0x2001;
- $thisfile_audio['codec'] = self::wFormatTagLookup($thisfile_audio['wformattag']);
- $thisfile_audio['lossless'] = false;
- $thisfile_audio['bitrate'] = $info['dts']['bitrate'];
- $thisfile_audio['sample_rate'] = $info['dts']['sample_rate'];
- }
- break;
- case 0x08AE: // ClearJump LiteWave
- $thisfile_audio['bitrate_mode'] = 'vbr';
- $thisfile_audio_dataformat = 'litewave';
- //typedef struct tagSLwFormat {
- // WORD m_wCompFormat; // low byte defines compression method, high byte is compression flags
- // DWORD m_dwScale; // scale factor for lossy compression
- // DWORD m_dwBlockSize; // number of samples in encoded blocks
- // WORD m_wQuality; // alias for the scale factor
- // WORD m_wMarkDistance; // distance between marks in bytes
- // WORD m_wReserved;
- //
- // //following paramters are ignored if CF_FILESRC is not set
- // DWORD m_dwOrgSize; // original file size in bytes
- // WORD m_bFactExists; // indicates if 'fact' chunk exists in the original file
- // DWORD m_dwRiffChunkSize; // riff chunk size in the original file
- //
- // PCMWAVEFORMAT m_OrgWf; // original wave format
- // }SLwFormat, *PSLwFormat;
- // shortcut
- $thisfile_riff['litewave']['raw'] = array();
- $riff_litewave = &$thisfile_riff['litewave'];
- $riff_litewave_raw = &$riff_litewave['raw'];
- $flags = array(
- 'compression_method' => 1,
- 'compression_flags' => 1,
- 'm_dwScale' => 4,
- 'm_dwBlockSize' => 4,
- 'm_wQuality' => 2,
- 'm_wMarkDistance' => 2,
- 'm_wReserved' => 2,
- 'm_dwOrgSize' => 4,
- 'm_bFactExists' => 2,
- 'm_dwRiffChunkSize' => 4,
- );
- $litewave_offset = 18;
- foreach ($flags as $flag => $length) {
- $riff_litewave_raw[$flag] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], $litewave_offset, $length));
- $litewave_offset += $length;
- }
- //$riff_litewave['quality_factor'] = intval(round((2000 - $riff_litewave_raw['m_dwScale']) / 20));
- $riff_litewave['quality_factor'] = $riff_litewave_raw['m_wQuality'];
- $riff_litewave['flags']['raw_source'] = ($riff_litewave_raw['compression_flags'] & 0x01) ? false : true;
- $riff_litewave['flags']['vbr_blocksize'] = ($riff_litewave_raw['compression_flags'] & 0x02) ? false : true;
- $riff_litewave['flags']['seekpoints'] = (bool) ($riff_litewave_raw['compression_flags'] & 0x04);
- $thisfile_audio['lossless'] = (($riff_litewave_raw['m_wQuality'] == 100) ? true : false);
- $thisfile_audio['encoder_options'] = '-q'.$riff_litewave['quality_factor'];
- break;
- default:
- break;
- }
- }
- if ($info['avdataend'] > $info['filesize']) {
- switch (!empty($thisfile_audio_dataformat) ? $thisfile_audio_dataformat : '') {
- case 'wavpack': // WavPack
- case 'lpac': // LPAC
- case 'ofr': // OptimFROG
- case 'ofs': // OptimFROG DualStream
- // lossless compressed audio formats that keep original RIFF headers - skip warning
- break;
- case 'litewave':
- if (($info['avdataend'] - $info['filesize']) == 1) {
- // LiteWave appears to incorrectly *not* pad actual output file
- // to nearest WORD boundary so may appear to be short by one
- // byte, in which case - skip warning
- } else {
- // Short by more than one byte, throw warning
- $info['warning'][] = 'Probably truncated file - expecting '.$thisfile_riff[$RIFFsubtype]['data'][0]['size'].' bytes of data, only found '.($info['filesize'] - $info['avdataoffset']).' (short by '.($thisfile_riff[$RIFFsubtype]['data'][0]['size'] - ($info['filesize'] - $info['avdataoffset'])).' bytes)';
- $info['avdataend'] = $info['filesize'];
- }
- break;
- default:
- if ((($info['avdataend'] - $info['filesize']) == 1) && (($thisfile_riff[$RIFFsubtype]['data'][0]['size'] % 2) == 0) && ((($info['filesize'] - $info['avdataoffset']) % 2) == 1)) {
- // output file appears to be incorrectly *not* padded to nearest WORD boundary
- // Output less severe warning
- $info['warning'][] = 'File should probably be padded to nearest WORD boundary, but it is not (expecting '.$thisfile_riff[$RIFFsubtype]['data'][0]['size'].' bytes of data, only found '.($info['filesize'] - $info['avdataoffset']).' therefore short by '.($thisfile_riff[$RIFFsubtype]['data'][0]['size'] - ($info['filesize'] - $info['avdataoffset'])).' bytes)';
- $info['avdataend'] = $info['filesize'];
- } else {
- // Short by more than one byte, throw warning
- $info['warning'][] = 'Probably truncated file - expecting '.$thisfile_riff[$RIFFsubtype]['data'][0]['size'].' bytes of data, only found '.($info['filesize'] - $info['avdataoffset']).' (short by '.($thisfile_riff[$RIFFsubtype]['data'][0]['size'] - ($info['filesize'] - $info['avdataoffset'])).' bytes)';
- $info['avdataend'] = $info['filesize'];
- }
- break;
- }
- }
- if (!empty($info['mpeg']['audio']['LAME']['audio_bytes'])) {
- if ((($info['avdataend'] - $info['avdataoffset']) - $info['mpeg']['audio']['LAME']['audio_bytes']) == 1) {
- $info['avdataend']--;
- $info['warning'][] = 'Extra null byte at end of MP3 data assumed to be RIFF padding and therefore ignored';
- }
- }
- if (isset($thisfile_audio_dataformat) && ($thisfile_audio_dataformat == 'ac3')) {
- unset($thisfile_audio['bits_per_sample']);
- if (!empty($info['ac3']['bitrate']) && ($info['ac3']['bitrate'] != $thisfile_audio['bitrate'])) {
- $thisfile_audio['bitrate'] = $info['ac3']['bitrate'];
- }
- }
- break;
- // http://en.wikipedia.org/wiki/Audio_Video_Interleave
- case 'AVI ':
- $info['fileformat'] = 'avi';
- $info['mime_type'] = 'video/avi';
- $thisfile_video['bitrate_mode'] = 'vbr'; // maybe not, but probably
- $thisfile_video['dataformat'] = 'avi';
- if (isset($thisfile_riff[$RIFFsubtype]['movi']['offset'])) {
- $info['avdataoffset'] = $thisfile_riff[$RIFFsubtype]['movi']['offset'] + 8;
- if (isset($thisfile_riff['AVIX'])) {
- $info['avdataend'] = $thisfile_riff['AVIX'][(count($thisfile_riff['AVIX']) - 1)]['chunks']['movi']['offset'] + $thisfile_riff['AVIX'][(count($thisfile_riff['AVIX']) - 1)]['chunks']['movi']['size'];
- } else {
- $info['avdataend'] = $thisfile_riff['AVI ']['movi']['offset'] + $thisfile_riff['AVI ']['movi']['size'];
- }
- if ($info['avdataend'] > $info['filesize']) {
- $info['warning'][] = 'Probably truncated file - expecting '.($info['avdataend'] - $info['avdataoffset']).' bytes of data, only found '.($info['filesize'] - $info['avdataoffset']).' (short by '.($info['avdataend'] - $info['filesize']).' bytes)';
- $info['avdataend'] = $info['filesize'];
- }
- }
- if (isset($thisfile_riff['AVI ']['hdrl']['strl']['indx'])) {
- //$bIndexType = array(
- // 0x00 => 'AVI_INDEX_OF_INDEXES',
- // 0x01 => 'AVI_INDEX_OF_CHUNKS',
- // 0x80 => 'AVI_INDEX_IS_DATA',
- //);
- //$bIndexSubtype = array(
- // 0x01 => array(
- // 0x01 => 'AVI_INDEX_2FIELD',
- // ),
- //);
- foreach ($thisfile_riff['AVI ']['hdrl']['strl']['indx'] as $streamnumber => $steamdataarray) {
- $ahsisd = &$thisfile_riff['AVI ']['hdrl']['strl']['indx'][$streamnumber]['data'];
- $thisfile_riff_raw['indx'][$streamnumber]['wLongsPerEntry'] = $this->EitherEndian2Int(substr($ahsisd, 0, 2));
- $thisfile_riff_raw['indx'][$streamnumber]['bIndexSubType'] = $this->EitherEndian2Int(substr($ahsisd, 2, 1));
- $thisfile_riff_raw['indx'][$streamnumber]['bIndexType'] = $this->EitherEndian2Int(substr($ahsisd, 3, 1));
- $thisfile_riff_raw['indx'][$streamnumber]['nEntriesInUse'] = $this->EitherEndian2Int(substr($ahsisd, 4, 4));
- $thisfile_riff_raw['indx'][$streamnumber]['dwChunkId'] = substr($ahsisd, 8, 4);
- $thisfile_riff_raw['indx'][$streamnumber]['dwReserved'] = $this->EitherEndian2Int(substr($ahsisd, 12, 4));
- //$thisfile_riff_raw['indx'][$streamnumber]['bIndexType_name'] = $bIndexType[$thisfile_riff_raw['indx'][$streamnumber]['bIndexType']];
- //$thisfile_riff_raw['indx'][$streamnumber]['bIndexSubType_name'] = $bIndexSubtype[$thisfile_riff_raw['indx'][$streamnumber]['bIndexType']][$thisfile_riff_raw['indx'][$streamnumber]['bIndexSubType']];
- unset($ahsisd);
- }
- }
- if (isset($thisfile_riff['AVI ']['hdrl']['avih'][$streamindex]['data'])) {
- $avihData = $thisfile_riff['AVI ']['hdrl']['avih'][$streamindex]['data'];
- // shortcut
- $thisfile_riff_raw['avih'] = array();
- $thisfile_riff_raw_avih = &$thisfile_riff_raw['avih'];
- $thisfile_riff_raw_avih['dwMicroSecPerFrame'] = $this->EitherEndian2Int(substr($avihData, 0, 4)); // frame display rate (or 0L)
- if ($thisfile_riff_raw_avih['dwMicroSecPerFrame'] == 0) {
- $info['error'][] = 'Corrupt RIFF file: avih.dwMicroSecPerFrame == zero';
- return false;
- }
- $flags = array(
- 'dwMaxBytesPerSec', // max. transfer rate
- 'dwPaddingGranularity', // pad to multiples of this size; normally 2K.
- 'dwFlags', // the ever-present flags
- 'dwTotalFrames', // # frames in file
- 'dwInitialFrames', //
- 'dwStreams', //
- 'dwSuggestedBufferSize', //
- 'dwWidth', //
- 'dwHeight', //
- 'dwScale', //
- 'dwRate', //
- 'dwStart', //
- 'dwLength', //
- );
- $avih_offset = 4;
- foreach ($flags as $flag) {
- $thisfile_riff_raw_avih[$flag] = $this->EitherEndian2Int(substr($avihData, $avih_offset, 4));
- $avih_offset += 4;
- }
- $flags = array(
- 'hasindex' => 0x00000010,
- 'mustuseindex' => 0x00000020,
- 'interleaved' => 0x00000100,
- 'trustcktype' => 0x00000800,
- 'capturedfile' => 0x00010000,
- 'copyrighted' => 0x00020010,
- );
- foreach ($flags as $flag => $value) {
- $thisfile_riff_raw_avih['flags'][$flag] = (bool) ($thisfile_riff_raw_avih['dwFlags'] & $value);
- }
- // shortcut
- $thisfile_riff_video[$streamindex] = array();
- $thisfile_riff_video_current = &$thisfile_riff_video[$streamindex];
- if ($thisfile_riff_raw_avih['dwWidth'] > 0) {
- $thisfile_riff_video_current['frame_width'] = $thisfile_riff_raw_avih['dwWidth'];
- $thisfile_video['resolution_x'] = $thisfile_riff_video_current['frame_width'];
- }
- if ($thisfile_riff_raw_avih['dwHeight'] > 0) {
- $thisfile_riff_video_current['frame_height'] = $thisfile_riff_raw_avih['dwHeight'];
- $thisfile_video['resolution_y'] = $thisfile_riff_video_current['frame_height'];
- }
- if ($thisfile_riff_raw_avih['dwTotalFrames'] > 0) {
- $thisfile_riff_video_current['total_frames'] = $thisfile_riff_raw_avih['dwTotalFrames'];
- $thisfile_video['total_frames'] = $thisfile_riff_video_current['total_frames'];
- }
- $thisfile_riff_video_current['frame_rate'] = round(1000000 / $thisfile_riff_raw_avih['dwMicroSecPerFrame'], 3);
- $thisfile_video['frame_rate'] = $thisfile_riff_video_current['frame_rate'];
- }
- if (isset($thisfile_riff['AVI ']['hdrl']['strl']['strh'][0]['data'])) {
- if (is_array($thisfile_riff['AVI ']['hdrl']['strl']['strh'])) {
- for ($i = 0; $i < count($thisfile_riff['AVI ']['hdrl']['strl']['strh']); $i++) {
- if (isset($thisfile_riff['AVI ']['hdrl']['strl']['strh'][$i]['data'])) {
- $strhData = $thisfile_riff['AVI ']['hdrl']['strl']['strh'][$i]['data'];
- $strhfccType = substr($strhData, 0, 4);
- if (isset($thisfile_riff['AVI ']['hdrl']['strl']['strf'][$i]['data'])) {
- $strfData = $thisfile_riff['AVI ']['hdrl']['strl']['strf'][$i]['data'];
- // shortcut
- $thisfile_riff_raw_strf_strhfccType_streamindex = &$thisfile_riff_raw['strf'][$strhfccType][$streamindex];
- switch ($strhfccType) {
- case 'auds':
- $thisfile_audio['bitrate_mode'] = 'cbr';
- $thisfile_audio_dataformat = 'wav';
- if (isset($thisfile_riff_audio) && is_array($thisfile_riff_audio)) {
- $streamindex = count($thisfile_riff_audio);
- }
- $thisfile_riff_audio[$streamindex] = self::parseWAVEFORMATex($strfData);
- $thisfile_audio['wformattag'] = $thisfile_riff_audio[$streamindex]['raw']['wFormatTag'];
- // shortcut
- $thisfile_audio['streams'][$streamindex] = $thisfile_riff_audio[$streamindex];
- $thisfile_audio_streams_currentstream = &$thisfile_audio['streams'][$streamindex];
- if ($thisfile_audio_streams_currentstream['bits_per_sample'] == 0) {
- unset($thisfile_audio_streams_currentstream['bits_per_sample']);
- }
- $thisfile_audio_streams_currentstream['wformattag'] = $thisfile_audio_streams_currentstream['raw']['wFormatTag'];
- unset($thisfile_audio_streams_currentstream['raw']);
- // shortcut
- $thisfile_riff_raw['strf'][$strhfccType][$streamindex] = $thisfile_riff_audio[$streamindex]['raw'];
- unset($thisfile_riff_audio[$streamindex]['raw']);
- $thisfile_audio = getid3_lib::array_merge_noclobber($thisfile_audio, $thisfile_riff_audio[$streamindex]);
- $thisfile_audio['lossless'] = false;
- switch ($thisfile_riff_raw_strf_strhfccType_streamindex['wFormatTag']) {
- case 0x0001: // PCM
- $thisfile_audio_dataformat = 'wav';
- $thisfile_audio['lossless'] = true;
- break;
- case 0x0050: // MPEG Layer 2 or Layer 1
- $thisfile_audio_dataformat = 'mp2'; // Assume Layer-2
- break;
- case 0x0055: // MPEG Layer 3
- $thisfile_audio_dataformat = 'mp3';
- break;
- case 0x00FF: // AAC
- $thisfile_audio_dataformat = 'aac';
- break;
- case 0x0161: // Windows Media v7 / v8 / v9
- case 0x0162: // Windows Media Professional v9
- case 0x0163: // Windows Media Lossess v9
- $thisfile_audio_dataformat = 'wma';
- break;
- case 0x2000: // AC-3
- $thisfile_audio_dataformat = 'ac3';
- break;
- case 0x2001: // DTS
- $thisfile_audio_dataformat = 'dts';
- break;
- default:
- $thisfile_audio_dataformat = 'wav';
- break;
- }
- $thisfile_audio_streams_currentstream['dataformat'] = $thisfile_audio_dataformat;
- $thisfile_audio_streams_currentstream['lossless'] = $thisfile_audio['lossless'];
- $thisfile_audio_streams_currentstream['bitrate_mode'] = $thisfile_audio['bitrate_mode'];
- break;
- case 'iavs':
- case 'vids':
- // shortcut
- $thisfile_riff_raw['strh'][$i] = array();
- $thisfile_riff_raw_strh_current = &$thisfile_riff_raw['strh'][$i];
- $thisfile_riff_raw_strh_current['fccType'] = substr($strhData, 0, 4); // same as $strhfccType;
- $thisfile_riff_raw_strh_current['fccHandler'] = substr($strhData, 4, 4);
- $thisfile_riff_raw_strh_current['dwFlags'] = $this->EitherEndian2Int(substr($strhData, 8, 4)); // Contains AVITF_* flags
- $thisfile_riff_raw_strh_current['wPriority'] = $this->EitherEndian2Int(substr($strhData, 12, 2));
- $thisfile_riff_raw_strh_current['wLanguage'] = $this->EitherEndian2Int(substr($strhData, 14, 2));
- $thisfile_riff_raw_strh_current['dwInitialFrames'] = $this->EitherEndian2Int(substr($strhData, 16, 4));
- $thisfile_riff_raw_strh_current['dwScale'] = $this->EitherEndian2Int(substr($strhData, 20, 4));
- $thisfile_riff_raw_strh_current['dwRate'] = $this->EitherEndian2Int(substr($strhData, 24, 4));
- $thisfile_riff_raw_strh_current['dwStart'] = $this->EitherEndian2Int(substr($strhData, 28, 4));
- $thisfile_riff_raw_strh_current['dwLength'] = $this->EitherEndian2Int(substr($strhData, 32, 4));
- $thisfile_riff_raw_strh_current['dwSuggestedBufferSize'] = $this->EitherEndian2Int(substr($strhData, 36, 4));
- $thisfile_riff_raw_strh_current['dwQuality'] = $this->EitherEndian2Int(substr($strhData, 40, 4));
- $thisfile_riff_raw_strh_current['dwSampleSize'] = $this->EitherEndian2Int(substr($strhData, 44, 4));
- $thisfile_riff_raw_strh_current['rcFrame'] = $this->EitherEndian2Int(substr($strhData, 48, 4));
- $thisfile_riff_video_current['codec'] = self::fourccLookup($thisfile_riff_raw_strh_current['fccHandler']);
- $thisfile_video['fourcc'] = $thisfile_riff_raw_strh_current['fccHandler'];
- if (!$thisfile_riff_video_current['codec'] && isset($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc']) && self::fourccLookup($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc'])) {
- $thisfile_riff_video_current['codec'] = self::fourccLookup($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc']);
- $thisfile_video['fourcc'] = $thisfile_riff_raw_strf_strhfccType_streamindex['fourcc'];
- }
- $thisfile_video['codec'] = $thisfile_riff_video_current['codec'];
- $thisfile_video['pixel_aspect_ratio'] = (float) 1;
- switch ($thisfile_riff_raw_strh_current['fccHandler']) {
- case 'HFYU': // Huffman Lossless Codec
- case 'IRAW': // Intel YUV Uncompressed
- case 'YUY2': // Uncompressed YUV 4:2:2
- $thisfile_video['lossless'] = true;
- break;
- default:
- $thisfile_video['lossless'] = false;
- break;
- }
- switch ($strhfccType) {
- case 'vids':
- $thisfile_riff_raw_strf_strhfccType_streamindex = self::ParseBITMAPINFOHEADER(substr($strfData, 0, 40), ($this->container == 'riff'));
- $thisfile_video['bits_per_sample'] = $thisfile_riff_raw_strf_strhfccType_streamindex['biBitCount'];
- if ($thisfile_riff_video_current['codec'] == 'DV') {
- $thisfile_riff_video_current['dv_type'] = 2;
- }
- break;
- case 'iavs':
- $thisfile_riff_video_current['dv_type'] = 1;
- break;
- }
- break;
- default:
- $info['warning'][] = 'Unhandled fccType for stream ('.$i.'): "'.$strhfccType.'"';
- break;
- }
- }
- }
- if (isset($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc'])) {
- $thisfile_video['fourcc'] = $thisfile_riff_raw_strf_strhfccType_streamindex['fourcc'];
- if (self::fourccLookup($thisfile_video['fourcc'])) {
- $thisfile_riff_video_current['codec'] = self::fourccLookup($thisfile_video['fourcc']);
- $thisfile_video['codec'] = $thisfile_riff_video_current['codec'];
- }
- switch ($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc']) {
- case 'HFYU': // Huffman Lossless Codec
- case 'IRAW': // Intel YUV Uncompressed
- case 'YUY2': // Uncompressed YUV 4:2:2
- $thisfile_video['lossless'] = true;
- //$thisfile_video['bits_per_sample'] = 24;
- break;
- default:
- $thisfile_video['lossless'] = false;
- //$thisfile_video['bits_per_sample'] = 24;
- break;
- }
- }
- }
- }
- }
- break;
- case 'AMV ':
- $info['fileformat'] = 'amv';
- $info['mime_type'] = 'video/amv';
- $thisfile_video['bitrate_mode'] = 'vbr'; // it's MJPEG, presumably contant-quality encoding, thereby VBR
- $thisfile_video['dataformat'] = 'mjpeg';
- $thisfile_video['codec'] = 'mjpeg';
- $thisfile_video['lossless'] = false;
- $thisfile_video['bits_per_sample'] = 24;
- $thisfile_audio['dataformat'] = 'adpcm';
- $thisfile_audio['lossless'] = false;
- break;
- // http://en.wikipedia.org/wiki/CD-DA
- case 'CDDA':
- $info['fileformat'] = 'cda';
- unset($info['mime_type']);
- $thisfile_audio_dataformat = 'cda';
- $info['avdataoffset'] = 44;
- if (isset($thisfile_riff['CDDA']['fmt '][0]['data'])) {
- // shortcut
- $thisfile_riff_CDDA_fmt_0 = &$thisfile_riff['CDDA']['fmt '][0];
- $thisfile_riff_CDDA_fmt_0['unknown1'] = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'], 0, 2));
- $thisfile_riff_CDDA_fmt_0['track_num'] = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'], 2, 2));
- $thisfile_riff_CDDA_fmt_0['disc_id'] = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'], 4, 4));
- …
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