/** * @return bool */ 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'] = $info['avdataend']; fseek($this->getid3->fp, $info['avdataoffset'], SEEK_SET); $RIFFheader = fread($this->getid3->fp, 12); $RIFFsubtype = substr($RIFFheader, 8, 4); switch (substr($RIFFheader, 0, 4)) { case 'FORM': $info['fileformat'] = 'aiff'; $thisfile_riff['header_size'] = $this->EitherEndian2Int(substr($RIFFheader, 4, 4)); $thisfile_riff[$RIFFsubtype] = $this->ParseRIFF($info['avdataoffset'] + 12, $info['avdataoffset'] + $thisfile_riff['header_size']); break; case 'RIFF': // AVI, WAV, etc // AVI, WAV, etc case 'SDSS': // SDSS is identical to RIFF, just renamed. Used by SmartSound QuickTracks (www.smartsound.com) // 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'; $thisfile_riff['header_size'] = $this->EitherEndian2Int(substr($RIFFheader, 4, 4)); if ($RIFFsubtype == 'RMP3') { // RMP3 is identical to WAVE, just renamed. Used by [unknown program] when creating RIFF-MP3s $RIFFsubtype = 'WAVE'; } $thisfile_riff[$RIFFsubtype] = $this->ParseRIFF($info['avdataoffset'] + 12, $info['avdataoffset'] + $thisfile_riff['header_size']); if ($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'], $info['avdataend'])) { if (!Helper::intValueSupported($nextRIFFoffset + 1024)) { $info['error'][] = 'AVI extends beyond ' . round(PHP_INT_MAX / 1073741824) . 'GB and PHP filesystem functions cannot read that far, playtime is probably wrong'; $info['warning'][] = '[avdataend] value may be incorrect, multiple AVIX chunks may be present'; break; } else { fseek($this->getid3->fp, $nextRIFFoffset, SEEK_SET); $nextRIFFheader = fread($this->getid3->fp, 12); if ($nextRIFFoffset == $info['avdataend'] - 1) { if (substr($nextRIFFheader, 0, 1) == "") { // 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': $info['avdataend'] = $nextRIFFoffset; if (!Helper::intValueSupported($info['avdataend'])) { $info['error'][] = 'AVI extends beyond ' . round(PHP_INT_MAX / 1073741824) . 'GB and PHP filesystem functions cannot read that far, playtime is probably wrong'; $info['warning'][] = '[avdataend] value may be incorrect, multiple AVIX chunks may be present'; } $chunkdata['chunks'] = $this->ParseRIFF($chunkdata['offset'] + 4, $chunkdata['offset'] + $chunkdata['size']); if (!isset($thisfile_riff[$nextRIFFtype])) { $thisfile_riff[$nextRIFFtype] = array(); } $thisfile_riff[$nextRIFFtype][] = $chunkdata; break; case 'JUNK': // ignore $thisfile_riff[$nextRIFFheaderID][] = $chunkdata; break; default: if ($info['filesize'] == $chunkdata['offset'] - 8 + 128) { $DIVXTAG = $nextRIFFheader . fread($this->getid3->fp, 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 $info['warning'][] = 'Found wrongly-structured DIVXTAG at offset ' . (ftell($this->getid3->fp) - 128 + 12) . ', parsing anyway'; $thisfile_riff['DIVXTAG'] = $this->ParseDIVXTAG($DIVXTAG); foreach ($thisfile_riff['DIVXTAG'] as $key => $value) { if ($value && !preg_match('#_id$#', $key)) { $thisfile_riff['comments'][$key][] = $value; } } break 2; } } $info['warning'][] = 'expecting "RIFF" or "JUNK" at ' . $nextRIFFoffset . ', found ' . Helper::PrintHexBytes(substr($nextRIFFheader, 0, 4)) . ' - skipping rest of file'; break 2; } } } if ($RIFFsubtype == 'WAVE') { $thisfile_riff_WAVE =& $thisfile_riff['WAVE']; } break; default: $info['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; break; } $streamindex = 0; switch ($RIFFsubtype) { case 'WAVE': 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::RIFFparseWAVEFORMATex($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]; $thisfile_audio = Helper::array_merge_noclobber($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']; $info['playtime_seconds'] = (double) (($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 0x1: // 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']; $thisfile_riff_raw_rgad['fPeakAmplitude'] = Helper::LittleEndian2Float(substr($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)); $nRadioRgAdjustBitstring = str_pad(Helper::Dec2Bin($thisfile_riff_raw_rgad['nRadioRgAdjust']), 16, '0', STR_PAD_LEFT); $nAudiophileRgAdjustBitstring = str_pad(Helper::Dec2Bin($thisfile_riff_raw_rgad['nAudiophileRgAdjust']), 16, '0', STR_PAD_LEFT); $thisfile_riff_raw_rgad_track['name'] = Helper::Bin2Dec(substr($nRadioRgAdjustBitstring, 0, 3)); $thisfile_riff_raw_rgad_track['originator'] = Helper::Bin2Dec(substr($nRadioRgAdjustBitstring, 3, 3)); $thisfile_riff_raw_rgad_track['signbit'] = Helper::Bin2Dec(substr($nRadioRgAdjustBitstring, 6, 1)); $thisfile_riff_raw_rgad_track['adjustment'] = Helper::Bin2Dec(substr($nRadioRgAdjustBitstring, 7, 9)); $thisfile_riff_raw_rgad_album['name'] = Helper::Bin2Dec(substr($nAudiophileRgAdjustBitstring, 0, 3)); $thisfile_riff_raw_rgad_album['originator'] = Helper::Bin2Dec(substr($nAudiophileRgAdjustBitstring, 3, 3)); $thisfile_riff_raw_rgad_album['signbit'] = Helper::Bin2Dec(substr($nAudiophileRgAdjustBitstring, 6, 1)); $thisfile_riff_raw_rgad_album['adjustment'] = Helper::Bin2Dec(substr($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) { $thisfile_riff['rgad']['track']['name'] = Helper::RGADnameLookup($thisfile_riff_raw_rgad_track['name']); $thisfile_riff['rgad']['track']['originator'] = Helper::RGADoriginatorLookup($thisfile_riff_raw_rgad_track['originator']); $thisfile_riff['rgad']['track']['adjustment'] = Helper::RGADadjustmentLookup($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) { $thisfile_riff['rgad']['album']['name'] = Helper::RGADnameLookup($thisfile_riff_raw_rgad_album['name']); $thisfile_riff['rgad']['album']['originator'] = Helper::RGADoriginatorLookup($thisfile_riff_raw_rgad_album['originator']); $thisfile_riff['rgad']['album']['adjustment'] = Helper::RGADadjustmentLookup($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'])) { $thisfile_audio['bitrate'] = Helper::CastAsInt($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); $thisfile_riff_WAVE_bext_0['time_reference'] = Helper::LittleEndian2Int(substr($thisfile_riff_WAVE_bext_0['data'], 338, 8)); $thisfile_riff_WAVE_bext_0['bwf_version'] = Helper::LittleEndian2Int(substr($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]; $thisfile_riff_WAVE_MEXT_0['raw']['sound_information'] = Helper::LittleEndian2Int(substr($thisfile_riff_WAVE_MEXT_0['data'], 0, 2)); $thisfile_riff_WAVE_MEXT_0['flags']['homogenous'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['sound_information'] & 0x1); if ($thisfile_riff_WAVE_MEXT_0['flags']['homogenous']) { $thisfile_riff_WAVE_MEXT_0['flags']['padding'] = $thisfile_riff_WAVE_MEXT_0['raw']['sound_information'] & 0x2 ? false : true; $thisfile_riff_WAVE_MEXT_0['flags']['22_or_44'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['sound_information'] & 0x4); $thisfile_riff_WAVE_MEXT_0['flags']['free_format'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['sound_information'] & 0x8); $thisfile_riff_WAVE_MEXT_0['nominal_frame_size'] = Helper::LittleEndian2Int(substr($thisfile_riff_WAVE_MEXT_0['data'], 2, 2)); } $thisfile_riff_WAVE_MEXT_0['anciliary_data_length'] = Helper::LittleEndian2Int(substr($thisfile_riff_WAVE_MEXT_0['data'], 6, 2)); $thisfile_riff_WAVE_MEXT_0['raw']['anciliary_data_def'] = Helper::LittleEndian2Int(substr($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'] & 0x1); $thisfile_riff_WAVE_MEXT_0['flags']['anciliary_data_free'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['anciliary_data_def'] & 0x2); $thisfile_riff_WAVE_MEXT_0['flags']['anciliary_data_right'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['anciliary_data_def'] & 0x4); } 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)); $thisfile_riff_WAVE_cart_0['zero_db_reference'] = Helper::LittleEndian2Int(substr($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'] = Helper::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; $SNDM_thisTagSize = Helper::BigEndian2Int(substr($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; $SNDM_thisTagDataSize = Helper::BigEndian2Int(substr($thisfile_riff_WAVE_SNDM_0_data, $SNDM_startoffset + $SNDM_thisTagOffset, 2)); $SNDM_thisTagOffset += 2; $SNDM_thisTagDataFlags = Helper::BigEndian2Int(substr($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 = $this->RIFFwaveSNDMtagLookup($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 = Helper::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']; $info['playtime_seconds'] = (double) (($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 / $info['playtime_seconds']; fseek($this->getid3->fp, $info['avdataoffset'] - 44, SEEK_SET); $RIFFdata = fread($this->getid3->fp, 44); $OrignalRIFFheaderSize = Helper::LittleEndian2Int(substr($RIFFdata, 4, 4)) + 8; $OrignalRIFFdataSize = Helper::LittleEndian2Int(substr($RIFFdata, 40, 4)) + 44; if ($OrignalRIFFheaderSize > $OrignalRIFFdataSize) { $info['avdataend'] -= $OrignalRIFFheaderSize - $OrignalRIFFdataSize; fseek($this->getid3->fp, $info['avdataend'], SEEK_SET); $RIFFdata .= fread($this->getid3->fp, $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); $getid3_riff = new self($this->getid3); $getid3_riff->ParseRIFFdata($RIFFdata); unset($getid3_riff); } if (isset($thisfile_riff_raw['fmt ']['wFormatTag'])) { switch ($thisfile_riff_raw['fmt ']['wFormatTag']) { case 0x1: // PCM if (!empty($info['ac3'])) { // Dolby Digital WAV files masquerade as PCM-WAV, but they're not $thisfile_audio['wformattag'] = 0x2000; $thisfile_audio['codec'] = $this->RIFFwFormatTagLookup($thisfile_audio['wformattag']); $thisfile_audio['lossless'] = false; $thisfile_audio['bitrate'] = $info['ac3']['bitrate']; $thisfile_audio['sample_rate'] = $info['ac3']['sample_rate']; } break; case 0x8ae: // 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(); $thisfile_riff_litewave =& $thisfile_riff['litewave']; $thisfile_riff_litewave_raw =& $thisfile_riff_litewave['raw']; $thisfile_riff_litewave_raw['compression_method'] = Helper::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], 18, 1)); $thisfile_riff_litewave_raw['compression_flags'] = Helper::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], 19, 1)); $thisfile_riff_litewave_raw['m_dwScale'] = Helper::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], 20, 4)); $thisfile_riff_litewave_raw['m_dwBlockSize'] = Helper::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], 24, 4)); $thisfile_riff_litewave_raw['m_wQuality'] = Helper::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], 28, 2)); $thisfile_riff_litewave_raw['m_wMarkDistance'] = Helper::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], 30, 2)); $thisfile_riff_litewave_raw['m_wReserved'] = Helper::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], 32, 2)); $thisfile_riff_litewave_raw['m_dwOrgSize'] = Helper::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], 34, 4)); $thisfile_riff_litewave_raw['m_bFactExists'] = Helper::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], 38, 2)); $thisfile_riff_litewave_raw['m_dwRiffChunkSize'] = Helper::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], 40, 4)); //$thisfile_riff_litewave['quality_factor'] = intval(round((2000 - $thisfile_riff_litewave_raw['m_dwScale']) / 20)); $thisfile_riff_litewave['quality_factor'] = $thisfile_riff_litewave_raw['m_wQuality']; $thisfile_riff_litewave['flags']['raw_source'] = $thisfile_riff_litewave_raw['compression_flags'] & 0x1 ? false : true; $thisfile_riff_litewave['flags']['vbr_blocksize'] = $thisfile_riff_litewave_raw['compression_flags'] & 0x2 ? false : true; $thisfile_riff_litewave['flags']['seekpoints'] = (bool) ($thisfile_riff_litewave_raw['compression_flags'] & 0x4); $thisfile_audio['lossless'] = $thisfile_riff_litewave_raw['m_wQuality'] == 100 ? true : false; $thisfile_audio['encoder_options'] = '-q' . $thisfile_riff_litewave['quality_factor']; break; default: break; } } if ($info['avdataend'] > $info['filesize']) { switch (!empty($thisfile_audio_dataformat) ? $thisfile_audio_dataformat : '') { case 'wavpack': // WavPack // WavPack case 'lpac': // LPAC // LPAC case 'ofr': // OptimFROG // OptimFROG case 'ofs': // OptimFROG DualStream // lossless compressed audio formats that keep original RIFF headers - skip warning break; case 'litewave': if ($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; case 'AVI ': $thisfile_video['bitrate_mode'] = 'vbr'; // maybe not, but probably $thisfile_video['dataformat'] = 'avi'; $info['mime_type'] = 'video/avi'; if (isset($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) { $thisfile_riff_avi_hdrl_strl_indx_stream_data =& $thisfile_riff['AVI ']['hdrl']['strl']['indx'][$streamnumber]['data']; $thisfile_riff_raw['indx'][$streamnumber]['wLongsPerEntry'] = $this->EitherEndian2Int(substr($thisfile_riff_avi_hdrl_strl_indx_stream_data, 0, 2)); $thisfile_riff_raw['indx'][$streamnumber]['bIndexSubType'] = $this->EitherEndian2Int(substr($thisfile_riff_avi_hdrl_strl_indx_stream_data, 2, 1)); $thisfile_riff_raw['indx'][$streamnumber]['bIndexType'] = $this->EitherEndian2Int(substr($thisfile_riff_avi_hdrl_strl_indx_stream_data, 3, 1)); $thisfile_riff_raw['indx'][$streamnumber]['nEntriesInUse'] = $this->EitherEndian2Int(substr($thisfile_riff_avi_hdrl_strl_indx_stream_data, 4, 4)); $thisfile_riff_raw['indx'][$streamnumber]['dwChunkId'] = substr($thisfile_riff_avi_hdrl_strl_indx_stream_data, 8, 4); $thisfile_riff_raw['indx'][$streamnumber]['dwReserved'] = $this->EitherEndian2Int(substr($thisfile_riff_avi_hdrl_strl_indx_stream_data, 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'][$streamnumber]['bIndexSubType']]; unset($thisfile_riff_avi_hdrl_strl_indx_stream_data); } } 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; } $thisfile_riff_raw_avih['dwMaxBytesPerSec'] = $this->EitherEndian2Int(substr($avihData, 4, 4)); // max. transfer rate $thisfile_riff_raw_avih['dwPaddingGranularity'] = $this->EitherEndian2Int(substr($avihData, 8, 4)); // pad to multiples of this size; normally 2K. $thisfile_riff_raw_avih['dwFlags'] = $this->EitherEndian2Int(substr($avihData, 12, 4)); // the ever-present flags $thisfile_riff_raw_avih['dwTotalFrames'] = $this->EitherEndian2Int(substr($avihData, 16, 4)); // # frames in file $thisfile_riff_raw_avih['dwInitialFrames'] = $this->EitherEndian2Int(substr($avihData, 20, 4)); $thisfile_riff_raw_avih['dwStreams'] = $this->EitherEndian2Int(substr($avihData, 24, 4)); $thisfile_riff_raw_avih['dwSuggestedBufferSize'] = $this->EitherEndian2Int(substr($avihData, 28, 4)); $thisfile_riff_raw_avih['dwWidth'] = $this->EitherEndian2Int(substr($avihData, 32, 4)); $thisfile_riff_raw_avih['dwHeight'] = $this->EitherEndian2Int(substr($avihData, 36, 4)); $thisfile_riff_raw_avih['dwScale'] = $this->EitherEndian2Int(substr($avihData, 40, 4)); $thisfile_riff_raw_avih['dwRate'] = $this->EitherEndian2Int(substr($avihData, 44, 4)); $thisfile_riff_raw_avih['dwStart'] = $this->EitherEndian2Int(substr($avihData, 48, 4)); $thisfile_riff_raw_avih['dwLength'] = $this->EitherEndian2Int(substr($avihData, 52, 4)); $thisfile_riff_raw_avih['flags']['hasindex'] = (bool) ($thisfile_riff_raw_avih['dwFlags'] & 0x10); $thisfile_riff_raw_avih['flags']['mustuseindex'] = (bool) ($thisfile_riff_raw_avih['dwFlags'] & 0x20); $thisfile_riff_raw_avih['flags']['interleaved'] = (bool) ($thisfile_riff_raw_avih['dwFlags'] & 0x100); $thisfile_riff_raw_avih['flags']['trustcktype'] = (bool) ($thisfile_riff_raw_avih['dwFlags'] & 0x800); $thisfile_riff_raw_avih['flags']['capturedfile'] = (bool) ($thisfile_riff_raw_avih['dwFlags'] & 0x10000); $thisfile_riff_raw_avih['flags']['copyrighted'] = (bool) ($thisfile_riff_raw_avih['dwFlags'] & 0x20010); // 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::RIFFparseWAVEFORMATex($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']); $thisfile_audio = Helper::array_merge_noclobber($thisfile_audio, $thisfile_riff_audio[$streamindex]); $thisfile_audio['lossless'] = false; switch ($thisfile_riff_raw_strf_strhfccType_streamindex['wFormatTag']) { case 0x1: // PCM $thisfile_audio_dataformat = 'wav'; $thisfile_audio['lossless'] = true; break; case 0x50: // MPEG Layer 2 or Layer 1 $thisfile_audio_dataformat = 'mp2'; // Assume Layer-2 break; case 0x55: // MPEG Layer 3 $thisfile_audio_dataformat = 'mp3'; break; case 0xff: // AAC $thisfile_audio_dataformat = 'aac'; break; case 0x161: // Windows Media v7 / v8 / v9 // Windows Media v7 / v8 / v9 case 0x162: // Windows Media Professional v9 // Windows Media Professional v9 case 0x163: // 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)); $thisfile_riff_video_current['codec'] = self::RIFFfourccLookup($thisfile_riff_raw_strh_current['fccHandler']); $thisfile_video['fourcc'] = $thisfile_riff_raw_strh_current['fccHandler']; if (!$thisfile_riff_video_current['codec'] && isset($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc']) && self::RIFFfourccLookup($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc'])) { $thisfile_riff_video_current['codec'] = self::RIFFfourccLookup($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']; $thisfile_video['pixel_aspect_ratio'] = (double) 1; switch ($thisfile_riff_raw_strh_current['fccHandler']) { case 'HFYU': // Huffman Lossless Codec // Huffman Lossless Codec case 'IRAW': // Intel YUV Uncompressed // 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), $info['fileformat'] == 'riff'); //echo '<pre>'.print_r($thisfile_riff_raw_strf_strhfccType_streamindex, true).'</pre>'; $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'] = $thisfile_riff_raw_strf_strhfccType_streamindex['fourcc']; if (self::RIFFfourccLookup($thisfile_video['fourcc'])) { $thisfile_riff_video_current['codec'] = self::RIFFfourccLookup($thisfile_video['fourcc']); $thisfile_video['codec'] = $thisfile_riff_video_current['codec']; } switch ($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc']) { case 'HFYU': // Huffman Lossless Codec // Huffman Lossless Codec case 'IRAW': // Intel YUV Uncompressed // 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 'CDDA': $thisfile_audio['bitrate_mode'] = 'cbr'; $thisfile_audio_dataformat = 'cda'; $thisfile_audio['lossless'] = true; unset($info['mime_type']); $info['avdataoffset'] = 44; if (isset($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)); $thisfile_riff_CDDA_fmt_0['start_offset_frame'] = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'], 8, 4)); $thisfile_riff_CDDA_fmt_0['playtime_frames'] = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'], 12, 4)); $thisfile_riff_CDDA_fmt_0['unknown6'] = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'], 16, 4)); $thisfile_riff_CDDA_fmt_0['unknown7'] = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'], 20, 4)); $thisfile_riff_CDDA_fmt_0['start_offset_seconds'] = (double) $thisfile_riff_CDDA_fmt_0['start_offset_frame'] / 75; $thisfile_riff_CDDA_fmt_0['playtime_seconds'] = (double) $thisfile_riff_CDDA_fmt_0['playtime_frames'] / 75; $info['comments']['track'] = $thisfile_riff_CDDA_fmt_0['track_num']; $info['playtime_seconds'] = $thisfile_riff_CDDA_fmt_0['playtime_seconds']; // hardcoded data for CD-audio $thisfile_audio['sample_rate'] = 44100; $thisfile_audio['channels'] = 2; $thisfile_audio['bits_per_sample'] = 16; $thisfile_audio['bitrate'] = $thisfile_audio['sample_rate'] * $thisfile_audio['channels'] * $thisfile_audio['bits_per_sample']; $thisfile_audio['bitrate_mode'] = 'cbr'; } break; case 'AIFF': case 'AIFC': $thisfile_audio['bitrate_mode'] = 'cbr'; $thisfile_audio_dataformat = 'aiff'; $thisfile_audio['lossless'] = true; $info['mime_type'] = 'audio/x-aiff'; if (isset($thisfile_riff[$RIFFsubtype]['SSND'][0]['offset'])) { $info['avdataoffset'] = $thisfile_riff[$RIFFsubtype]['SSND'][0]['offset'] + 8; $info['avdataend'] = $info['avdataoffset'] + $thisfile_riff[$RIFFsubtype]['SSND'][0]['size']; if ($info['avdataend'] > $info['filesize']) { if ($info['avdataend'] == $info['filesize'] + 1 && $info['filesize'] % 2 == 1) { // structures rounded to 2-byte boundary, but dumb encoders // forget to pad end of file to make this actually work } else { $info['warning'][] = 'Probable truncated AIFF file: expecting ' . $thisfile_riff[$RIFFsubtype]['SSND'][0]['size'] . ' bytes of audio data, only ' . ($info['filesize'] - $info['avdataoffset']) . ' bytes found'; } $info['avdataend'] = $info['filesize']; } } if (isset($thisfile_riff[$RIFFsubtype]['COMM'][0]['data'])) { // shortcut $thisfile_riff_RIFFsubtype_COMM_0_data =& $thisfile_riff[$RIFFsubtype]['COMM'][0]['data']; $thisfile_riff_audio['channels'] = Helper::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_COMM_0_data, 0, 2), true); $thisfile_riff_audio['total_samples'] = Helper::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_COMM_0_data, 2, 4), false); $thisfile_riff_audio['bits_per_sample'] = Helper::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_COMM_0_data, 6, 2), true); $thisfile_riff_audio['sample_rate'] = (int) Helper::BigEndian2Float(substr($thisfile_riff_RIFFsubtype_COMM_0_data, 8, 10)); if ($thisfile_riff[$RIFFsubtype]['COMM'][0]['size'] > 18) { $thisfile_riff_audio['codec_fourcc'] = substr($thisfile_riff_RIFFsubtype_COMM_0_data, 18, 4); $CodecNameSize = Helper::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_COMM_0_data, 22, 1), false); $thisfile_riff_audio['codec_name'] = substr($thisfile_riff_RIFFsubtype_COMM_0_data, 23, $CodecNameSize); switch ($thisfile_riff_audio['codec_name']) { case 'NONE': $thisfile_audio['codec'] = 'Pulse Code Modulation (PCM)'; $thisfile_audio['lossless'] = true; break; case '': switch ($thisfile_riff_audio['codec_fourcc']) { // http://developer.apple.com/qa/snd/snd07.html case 'sowt': $thisfile_riff_audio['codec_name'] = 'Two\'s Compliment Little-Endian PCM'; $thisfile_audio['lossless'] = true; break; case 'twos': $thisfile_riff_audio['codec_name'] = 'Two\'s Compliment Big-Endian PCM'; $thisfile_audio['lossless'] = true; break; default: break; } break; default: $thisfile_audio['codec'] = $thisfile_riff_audio['codec_name']; $thisfile_audio['lossless'] = false; break; } } $thisfile_audio['channels'] = $thisfile_riff_audio['channels']; if ($thisfile_riff_audio['bits_per_sample'] > 0) { $thisfile_audio['bits_per_sample'] = $thisfile_riff_audio['bits_per_sample']; } $thisfile_audio['sample_rate'] = $thisfile_riff_audio['sample_rate']; if ($thisfile_audio['sample_rate'] == 0) { $info['error'][] = 'Corrupted AIFF file: sample_rate == zero'; return false; } $info['playtime_seconds'] = $thisfile_riff_audio['total_samples'] / $thisfile_audio['sample_rate']; } if (isset($thisfile_riff[$RIFFsubtype]['COMT'])) { $offset = 0; $CommentCount = Helper::BigEndian2Int(substr($thisfile_riff[$RIFFsubtype]['COMT'][0]['data'], $offset, 2), false); $offset += 2; for ($i = 0; $i < $CommentCount; ++$i) { $info['comments_raw'][$i]['timestamp'] = Helper::BigEndian2Int(substr($thisfile_riff[$RIFFsubtype]['COMT'][0]['data'], $offset, 4), false); $offset += 4; $info['comments_raw'][$i]['marker_id'] = Helper::BigEndian2Int(substr($thisfile_riff[$RIFFsubtype]['COMT'][0]['data'], $offset, 2), true); $offset += 2; $CommentLength = Helper::BigEndian2Int(substr($thisfile_riff[$RIFFsubtype]['COMT'][0]['data'], $offset, 2), false); $offset += 2; $info['comments_raw'][$i]['comment'] = substr($thisfile_riff[$RIFFsubtype]['COMT'][0]['data'], $offset, $CommentLength); $offset += $CommentLength; $info['comments_raw'][$i]['timestamp_unix'] = Helper::DateMac2Unix($info['comments_raw'][$i]['timestamp']); $thisfile_riff['comments']['comment'][] = $info['comments_raw'][$i]['comment']; } } $CommentsChunkNames = array('NAME' => 'title', 'author' => 'artist', '(c) ' => 'copyright', 'ANNO' => 'comment'); foreach ($CommentsChunkNames as $key => $value) { if (isset($thisfile_riff[$RIFFsubtype][$key][0]['data'])) { $thisfile_riff['comments'][$value][] = $thisfile_riff[$RIFFsubtype][$key][0]['data']; } } break; case '8SVX': $thisfile_audio['bitrate_mode'] = 'cbr'; $thisfile_audio_dataformat = '8svx'; $thisfile_audio['bits_per_sample'] = 8; $thisfile_audio['channels'] = 1; // overridden below, if need be $info['mime_type'] = 'audio/x-aiff'; if (isset($thisfile_riff[$RIFFsubtype]['BODY'][0]['offset'])) { $info['avdataoffset'] = $thisfile_riff[$RIFFsubtype]['BODY'][0]['offset'] + 8; $info['avdataend'] = $info['avdataoffset'] + $thisfile_riff[$RIFFsubtype]['BODY'][0]['size']; if ($info['avdataend'] > $info['filesize']) { $info['warning'][] = 'Probable truncated AIFF file: expecting ' . $thisfile_riff[$RIFFsubtype]['BODY'][0]['size'] . ' bytes of audio data, only ' . ($info['filesize'] - $info['avdataoffset']) . ' bytes found'; } } if (isset($thisfile_riff[$RIFFsubtype]['VHDR'][0]['offset'])) { // shortcut $thisfile_riff_RIFFsubtype_VHDR_0 =& $thisfile_riff[$RIFFsubtype]['VHDR'][0]; $thisfile_riff_RIFFsubtype_VHDR_0['oneShotHiSamples'] = Helper::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 0, 4)); $thisfile_riff_RIFFsubtype_VHDR_0['repeatHiSamples'] = Helper::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 4, 4)); $thisfile_riff_RIFFsubtype_VHDR_0['samplesPerHiCycle'] = Helper::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 8, 4)); $thisfile_riff_RIFFsubtype_VHDR_0['samplesPerSec'] = Helper::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 12, 2)); $thisfile_riff_RIFFsubtype_VHDR_0['ctOctave'] = Helper::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 14, 1)); $thisfile_riff_RIFFsubtype_VHDR_0['sCompression'] = Helper::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 15, 1)); $thisfile_riff_RIFFsubtype_VHDR_0['Volume'] = Helper::FixedPoint16_16(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 16, 4)); $thisfile_audio['sample_rate'] = $thisfile_riff_RIFFsubtype_VHDR_0['samplesPerSec']; switch ($thisfile_riff_RIFFsubtype_VHDR_0['sCompression']) { case 0: $thisfile_audio['codec'] = 'Pulse Code Modulation (PCM)'; $thisfile_audio['lossless'] = true; $ActualBitsPerSample = 8; break; case 1: $thisfile_audio['codec'] = 'Fibonacci-delta encoding'; $thisfile_audio['lossless'] = false; $ActualBitsPerSample = 4; break; default: $info['warning'][] = 'Unexpected sCompression value in 8SVX.VHDR chunk - expecting 0 or 1, found "' . sCompression . '"'; break; } } if (isset($thisfile_riff[$RIFFsubtype]['CHAN'][0]['data'])) { $ChannelsIndex = Helper::BigEndian2Int(substr($thisfile_riff[$RIFFsubtype]['CHAN'][0]['data'], 0, 4)); switch ($ChannelsIndex) { case 6: // Stereo $thisfile_audio['channels'] = 2; break; case 2: // Left channel only // Left channel only case 4: // Right channel only $thisfile_audio['channels'] = 1; break; default: $info['warning'][] = 'Unexpected value in 8SVX.CHAN chunk - expecting 2 or 4 or 6, found "' . $ChannelsIndex . '"'; break; } } $CommentsChunkNames = array('NAME' => 'title', 'author' => 'artist', '(c) ' => 'copyright', 'ANNO' => 'comment'); foreach ($CommentsChunkNames as $key => $value) { if (isset($thisfile_riff[$RIFFsubtype][$key][0]['data'])) { $thisfile_riff['comments'][$value][] = $thisfile_riff[$RIFFsubtype][$key][0]['data']; } } $thisfile_audio['bitrate'] = $thisfile_audio['sample_rate'] * $ActualBitsPerSample * $thisfile_audio['channels']; if (!empty($thisfile_audio['bitrate'])) { $info['playtime_seconds'] = ($info['avdataend'] - $info['avdataoffset']) / ($thisfile_audio['bitrate'] / 8); } break; case 'CDXA': $info['mime_type'] = 'video/mpeg'; if (!empty($thisfile_riff['CDXA']['data'][0]['size'])) { if (class_exists('GetId3\\Module\\AudioVideo\\Mpeg')) { $getid3_temp = new GetId3Core(); $getid3_temp->openfile($this->getid3->filename); $getid3_mpeg = new Mpeg($getid3_temp); $getid3_mpeg->analyze(); if (empty($getid3_temp->info['error'])) { $info['audio'] = $getid3_temp->info['audio']; $info['video'] = $getid3_temp->info['video']; $info['mpeg'] = $getid3_temp->info['mpeg']; $info['warning'] = $getid3_temp->info['warning']; } unset($getid3_temp, $getid3_mpeg); } } break; default: $info['error'][] = 'Unknown RIFF type: expecting one of (WAVE|RMP3|AVI |CDDA|AIFF|AIFC|8SVX|CDXA), found "' . $RIFFsubtype . '" instead'; unset($info['fileformat']); break; } switch ($RIFFsubtype) { case 'WAVE': case 'AIFF': case 'AIFC': if (isset($thisfile_riff[$RIFFsubtype]['ID3 ']) && !array_key_exists('id3 ', $thisfile_riff[$RIFFsubtype])) { $info['warning'][] = 'mapping "ID3 " chunk to "id3 "'; } if (isset($thisfile_riff[$RIFFsubtype]['tag ']) && !array_key_exists('id3 ', $thisfile_riff[$RIFFsubtype])) { $info['warning'][] = 'mapping "tag " chunk to "id3 "'; } if (isset($thisfile_riff[$RIFFsubtype]['id3 '])) { $getid3_temp = new GetId3Core(); $getid3_temp->openfile($this->getid3->filename); $getid3_id3v2 = new Id3v2($getid3_temp); $getid3_id3v2->StartingOffset = $thisfile_riff[$RIFFsubtype]['id3 '][0]['offset'] + 8; if ($thisfile_riff[$RIFFsubtype]['id3 '][0]['valid'] = $getid3_id3v2->analyze()) { $info['id3v2'] = $getid3_temp->info['id3v2']; } unset($getid3_temp, $getid3_id3v2); } break; } if (isset($thisfile_riff_raw['fmt ']['wFormatTag']) && $thisfile_riff_raw['fmt ']['wFormatTag'] == 1) { // http://www.mega-nerd.com/erikd/Blog/Windiots/dts.html fseek($this->getid3->fp, $info['avdataoffset'], SEEK_SET); $FirstFourBytes = fread($this->getid3->fp, 4); if (preg_match('/^\\xFF\\x1F\\x00\\xE8/s', $FirstFourBytes)) { // DTSWAV $thisfile_audio_dataformat = 'dts'; } elseif (preg_match('/^\\x7F\\xFF\\x80\\x01/s', $FirstFourBytes)) { // DTS, but this probably shouldn't happen $thisfile_audio_dataformat = 'dts'; } } if (isset($thisfile_riff_WAVE['DISP']) && is_array($thisfile_riff_WAVE['DISP'])) { $thisfile_riff['comments']['title'][] = trim(substr($thisfile_riff_WAVE['DISP'][count($thisfile_riff_WAVE['DISP']) - 1]['data'], 4)); } if (isset($thisfile_riff_WAVE['INFO']) && is_array($thisfile_riff_WAVE['INFO'])) { $this->RIFFcommentsParse($thisfile_riff_WAVE['INFO'], $thisfile_riff['comments']); } if (isset($thisfile_riff['AVI ']['INFO']) && is_array($thisfile_riff['AVI ']['INFO'])) { $this->RIFFcommentsParse($thisfile_riff['AVI ']['INFO'], $thisfile_riff['comments']); } if (empty($thisfile_audio['encoder']) && !empty($info['mpeg']['audio']['LAME']['short_version'])) { $thisfile_audio['encoder'] = $info['mpeg']['audio']['LAME']['short_version']; } if (!isset($info['playtime_seconds'])) { $info['playtime_seconds'] = 0; } if (isset($thisfile_riff_raw['strh'][0]['dwLength']) && isset($thisfile_riff_raw['avih']['dwMicroSecPerFrame'])) { // needed for >2GB AVIs where 'avih' chunk only lists number of frames in that chunk, not entire movie $info['playtime_seconds'] = $thisfile_riff_raw['strh'][0]['dwLength'] * ($thisfile_riff_raw['avih']['dwMicroSecPerFrame'] / 1000000); } elseif (isset($thisfile_riff_raw['avih']['dwTotalFrames']) && isset($thisfile_riff_raw['avih']['dwMicroSecPerFrame'])) { $info['playtime_seconds'] = $thisfile_riff_raw['avih']['dwTotalFrames'] * ($thisfile_riff_raw['avih']['dwMicroSecPerFrame'] / 1000000); } if ($info['playtime_seconds'] > 0) { if (isset($thisfile_riff_audio) && isset($thisfile_riff_video)) { if (!isset($info['bitrate'])) { $info['bitrate'] = ($info['avdataend'] - $info['avdataoffset']) / $info['playtime_seconds'] * 8; } } elseif (isset($thisfile_riff_audio) && !isset($thisfile_riff_video)) { if (!isset($thisfile_audio['bitrate'])) { $thisfile_audio['bitrate'] = ($info['avdataend'] - $info['avdataoffset']) / $info['playtime_seconds'] * 8; } } elseif (!isset($thisfile_riff_audio) && isset($thisfile_riff_video)) { if (!isset($thisfile_video['bitrate'])) { $thisfile_video['bitrate'] = ($info['avdataend'] - $info['avdataoffset']) / $info['playtime_seconds'] * 8; } } } if (isset($thisfile_riff_video) && isset($thisfile_audio['bitrate']) && $thisfile_audio['bitrate'] > 0 && $info['playtime_seconds'] > 0) { $info['bitrate'] = ($info['avdataend'] - $info['avdataoffset']) / $info['playtime_seconds'] * 8; $thisfile_audio['bitrate'] = 0; $thisfile_video['bitrate'] = $info['bitrate']; foreach ($thisfile_riff_audio as $channelnumber => $audioinfoarray) { $thisfile_video['bitrate'] -= $audioinfoarray['bitrate']; $thisfile_audio['bitrate'] += $audioinfoarray['bitrate']; } if ($thisfile_video['bitrate'] <= 0) { unset($thisfile_video['bitrate']); } if ($thisfile_audio['bitrate'] <= 0) { unset($thisfile_audio['bitrate']); } } if (isset($info['mpeg']['audio'])) { $thisfile_audio_dataformat = 'mp' . $info['mpeg']['audio']['layer']; $thisfile_audio['sample_rate'] = $info['mpeg']['audio']['sample_rate']; $thisfile_audio['channels'] = $info['mpeg']['audio']['channels']; $thisfile_audio['bitrate'] = $info['mpeg']['audio']['bitrate']; $thisfile_audio['bitrate_mode'] = strtolower($info['mpeg']['audio']['bitrate_mode']); if (!empty($info['mpeg']['audio']['codec'])) { $thisfile_audio['codec'] = $info['mpeg']['audio']['codec'] . ' ' . $thisfile_audio['codec']; } if (!empty($thisfile_audio['streams'])) { foreach ($thisfile_audio['streams'] as $streamnumber => $streamdata) { if ($streamdata['dataformat'] == $thisfile_audio_dataformat) { $thisfile_audio['streams'][$streamnumber]['sample_rate'] = $thisfile_audio['sample_rate']; $thisfile_audio['streams'][$streamnumber]['channels'] = $thisfile_audio['channels']; $thisfile_audio['streams'][$streamnumber]['bitrate'] = $thisfile_audio['bitrate']; $thisfile_audio['streams'][$streamnumber]['bitrate_mode'] = $thisfile_audio['bitrate_mode']; $thisfile_audio['streams'][$streamnumber]['codec'] = $thisfile_audio['codec']; } } } $getid3_mp3 = new Mp3($this->getid3); $thisfile_audio['encoder_options'] = $getid3_mp3->GuessEncoderOptions(); unset($getid3_mp3); } if (!empty($thisfile_riff_raw['fmt ']['wBitsPerSample']) && $thisfile_riff_raw['fmt ']['wBitsPerSample'] > 0) { switch ($thisfile_audio_dataformat) { case 'ac3': // ignore bits_per_sample break; default: $thisfile_audio['bits_per_sample'] = $thisfile_riff_raw['fmt ']['wBitsPerSample']; break; } } if (empty($thisfile_riff_raw)) { unset($thisfile_riff['raw']); } if (empty($thisfile_riff_audio)) { unset($thisfile_riff['audio']); } if (empty($thisfile_riff_video)) { unset($thisfile_riff['video']); } return true; }