// // available at https://github.com/JamesHeinrich/getID3 // // or https://www.getid3.org // // or http://getid3.sourceforge.net // // 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 // // /// ///////////////////////////////////////////////////////////////// if (!defined('GETID3_INCLUDEPATH')) { // prevent path-exposing attacks that access modules directly on public webservers exit; } 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']; $thisfile_riff_WAVE = array(); $Original = array(); $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)) { $this->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]; $thisfile_audio = (array) getid3_lib::array_merge_noclobber($thisfile_audio, $thisfile_riff_audio[$streamindex]); if (substr($thisfile_audio['codec'], 0, strlen('unknown: 0x')) == 'unknown: 0x') { $this->warning('Audio codec = '.$thisfile_audio['codec']); } $thisfile_audio['bitrate'] = $thisfile_riff_audio[$streamindex]['bitrate']; if (empty($info['playtime_seconds'])) { // may already be set (e.g. DTS-WAV) $info['playtime_seconds'] = (float)getid3_lib::SafeDiv(($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]; $thisfile_riff_WAVE_bext_0['title'] = substr($thisfile_riff_WAVE_bext_0['data'], 0, 256); $thisfile_riff_WAVE_bext_0['author'] = substr($thisfile_riff_WAVE_bext_0['data'], 256, 32); $thisfile_riff_WAVE_bext_0['reference'] = substr($thisfile_riff_WAVE_bext_0['data'], 288, 32); foreach (array('title','author','reference') as $bext_key) { // Some software (notably Logic Pro) may not blank existing data before writing a null-terminated string to the offsets // assigned for text fields, resulting in a null-terminated string (or possibly just a single null) followed by garbage // Keep only string as far as first null byte, discard rest of fixed-width data // https://github.com/JamesHeinrich/getID3/issues/263 $null_terminator_offset = strpos($thisfile_riff_WAVE_bext_0[$bext_key], "\x00"); $thisfile_riff_WAVE_bext_0[$bext_key] = substr($thisfile_riff_WAVE_bext_0[$bext_key], 0, $null_terminator_offset); } $thisfile_riff_WAVE_bext_0['origin_date'] = substr($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)) { $bext_timestamp = array(); list($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 { $this->warning('RIFF.WAVE.BEXT.origin_time is invalid'); } } else { $this->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))); $thisfile_riff['comments']['tag_text'][] = substr($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)) { $this->warning('RIFF.WAVE.SNDM.data contains tag not expected length (expected: '.$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) { $this->warning('RIFF.WAVE.SNDM.data contains zero-size tag at offset '.$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 { $this->warning('RIFF.WAVE.SNDM contains unknown tag "'.$SNDM_thisTagKey.'" at offset '.$SNDM_startoffset.' (file offset '.($thisfile_riff_WAVE_SNDM_0['offset'] + $SNDM_startoffset).')'); } } $tagmapping = array( 'tracktitle'=>'title', 'category' =>'genre', 'cdtitle' =>'album', ); foreach ($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'] = (int) $numerator / ($denominator ? $denominator : 1000); } if (isset($parsedXML['SPEED']['TIMECODE_RATE'])) { @list($numerator, $denominator) = explode('/', $parsedXML['SPEED']['TIMECODE_RATE']); $thisfile_riff_WAVE['iXML'][0]['timecode_rate'] = (int) $numerator / ($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')); $timestamp_sample_rate = (is_array($parsedXML['SPEED']['TIMESTAMP_SAMPLE_RATE']) ? max($parsedXML['SPEED']['TIMESTAMP_SAMPLE_RATE']) : $parsedXML['SPEED']['TIMESTAMP_SAMPLE_RATE']); // XML could possibly contain more than one TIMESTAMP_SAMPLE_RATE tag, returning as array instead of integer [why? does it make sense? perhaps doesn't matter but getID3 needs to deal with it] - see https://github.com/JamesHeinrich/getID3/issues/105 $thisfile_riff_WAVE['iXML'][0]['timecode_seconds'] = $samples_since_midnight / $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($samples_since_midnight, $timestamp_sample_rate, $h, $m, $s, $f); } unset($parsedXML); } } if (isset($thisfile_riff_WAVE['guan'][0]['data'])) { // shortcut $thisfile_riff_WAVE_guan_0 = &$thisfile_riff_WAVE['guan'][0]; if (!empty($thisfile_riff_WAVE_guan_0['data']) && (substr($thisfile_riff_WAVE_guan_0['data'], 0, 14) == 'GUANO|Version:')) { $thisfile_riff['guano'] = array(); foreach (explode("\n", $thisfile_riff_WAVE_guan_0['data']) as $line) { if ($line) { @list($key, $value) = explode(':', $line, 2); if (substr($value, 0, 3) == '[{"') { if ($decoded = @json_decode($value, true)) { if (!empty($decoded) && (count($decoded) == 1)) { $value = $decoded[0]; } else { $value = $decoded; } } } $thisfile_riff['guano'] = array_merge_recursive($thisfile_riff['guano'], getid3_lib::CreateDeepArray($key, '|', $value)); } } // https://www.wildlifeacoustics.com/SCHEMA/GUANO.html foreach ($thisfile_riff['guano'] as $key => $value) { switch ($key) { case 'Loc Position': if (preg_match('#^([\\+\\-]?[0-9]+\\.[0-9]+) ([\\+\\-]?[0-9]+\\.[0-9]+)$#', $value, $matches)) { list($dummy, $latitude, $longitude) = $matches; $thisfile_riff['comments']['gps_latitude'][0] = floatval($latitude); $thisfile_riff['comments']['gps_longitude'][0] = floatval($longitude); $thisfile_riff['guano'][$key] = floatval($latitude).' '.floatval($longitude); } break; case 'Loc Elevation': // Elevation/altitude above mean sea level in meters $thisfile_riff['comments']['gps_altitude'][0] = floatval($value); $thisfile_riff['guano'][$key] = (float) $value; break; case 'Filter HP': // High-pass filter frequency in kHz case 'Filter LP': // Low-pass filter frequency in kHz case 'Humidity': // Relative humidity as a percentage case 'Length': // Recording length in seconds case 'Loc Accuracy': // Estimated Position Error in meters case 'Temperature Ext': // External temperature in degrees Celsius outside the recorder's housing case 'Temperature Int': // Internal temperature in degrees Celsius inside the recorder's housing $thisfile_riff['guano'][$key] = (float) $value; break; case 'Samplerate': // Recording sample rate, Hz case 'TE': // Time-expansion factor. If not specified, then 1 (no time-expansion a.k.a. direct-recording) is assumed. $thisfile_riff['guano'][$key] = (int) $value; break; } } } else { $this->warning('RIFF.guan data not in expected format'); } } if (!isset($thisfile_audio['bitrate']) && isset($thisfile_riff_audio[$streamindex]['bitrate'])) { $thisfile_audio['bitrate'] = $thisfile_riff_audio[$streamindex]['bitrate']; $info['playtime_seconds'] = (float)getid3_lib::SafeDiv((($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']; $thisfile_audio['bitrate'] = getid3_lib::SafeDiv(($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'] > $info['filesize']) { switch ($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 $this->warning('Probably truncated file - expecting '.$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 $this->warning('File should probably be padded to nearest WORD boundary, but it is not (expecting '.$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 $this->warning('Probably truncated file - expecting '.$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']--; $this->warning('Extra null byte at end of MP3 data assumed to be RIFF padding and therefore ignored'); } } if ($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'; $thisfile_riff_video_current = array(); if (isset($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']) { $this->warning('Probably truncated file - expecting '.($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) { $this->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) { // @phpstan-ignore-line $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) { // @phpstan-ignore-line $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) { // @phpstan-ignore-line $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'])) { $thisfile_riff_raw_strf_strhfccType_streamindex = null; for ($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']; if (!isset($thisfile_riff_raw['strf'][$strhfccType][$streamindex])) { $thisfile_riff_raw['strf'][$strhfccType][$streamindex] = null; } // 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: $this->warning('Unhandled fccType for stream ('.$i.'): "'.$strhfccType.'"'); break; } } } if (isset($thisfile_riff_raw_strf_strhfccType_streamindex) && 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)); $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'] = (float) $thisfile_riff_CDDA_fmt_0['start_offset_frame'] / 75; $thisfile_riff_CDDA_fmt_0['playtime_seconds'] = (float) $thisfile_riff_CDDA_fmt_0['playtime_frames'] / 75; $info['comments']['track_number'] = $thisfile_riff_CDDA_fmt_0['track_num']; $info['playtime_seconds'] = $thisfile_riff_CDDA_fmt_0['playtime_seconds']; // hardcoded data for CD-audio $thisfile_audio['lossless'] = true; $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; // http://en.wikipedia.org/wiki/AIFF case 'AIFF': case 'AIFC': $info['fileformat'] = 'aiff'; $info['mime_type'] = 'audio/x-aiff'; $thisfile_audio['bitrate_mode'] = 'cbr'; $thisfile_audio_dataformat = 'aiff'; $thisfile_audio['lossless'] = true; if (isset($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 { $this->warning('Probable truncated AIFF file: expecting '.$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']; $thisfile_riff_audio['channels'] = getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_COMM_0_data, 0, 2), true); $thisfile_riff_audio['total_samples'] = getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_COMM_0_data, 2, 4), false); $thisfile_riff_audio['bits_per_sample'] = getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_COMM_0_data, 6, 2), true); $thisfile_riff_audio['sample_rate'] = (int) getid3_lib::BigEndian2Float(substr($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); $CodecNameSize = getid3_lib::BigEndian2Int(substr($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) { $this->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; $CommentCount = getid3_lib::BigEndian2Int(substr($thisfile_riff[$RIFFsubtype]['COMT'][0]['data'], $offset, 2), false); $offset += 2; for ($i = 0; $i < $CommentCount; $i++) { $info['comments_raw'][$i]['timestamp'] = getid3_lib::BigEndian2Int(substr($thisfile_riff[$RIFFsubtype]['COMT'][0]['data'], $offset, 4), false); $offset += 4; $info['comments_raw'][$i]['marker_id'] = getid3_lib::BigEndian2Int(substr($thisfile_riff[$RIFFsubtype]['COMT'][0]['data'], $offset, 2), true); $offset += 2; $CommentLength = getid3_lib::BigEndian2Int(substr($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'] = getid3_lib::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][$key][0]['data']; } } /* if (isset($thisfile_riff[$RIFFsubtype]['ID3 '])) { getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.id3v2.php', __FILE__, true); $getid3_temp = new getID3(); $getid3_temp->openfile($this->getid3->filename, $this->getid3->info['filesize'], $this->getid3->fp); $getid3_id3v2 = new getid3_id3v2($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; // http://en.wikipedia.org/wiki/8SVX case '8SVX': $info['fileformat'] = '8svx'; $info['mime_type'] = 'audio/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 $ActualBitsPerSample = 0; if (isset($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']) { $this->warning('Probable truncated AIFF file: expecting '.$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]; $thisfile_riff_RIFFsubtype_VHDR_0['oneShotHiSamples'] = getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 0, 4)); $thisfile_riff_RIFFsubtype_VHDR_0['repeatHiSamples'] = getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 4, 4)); $thisfile_riff_RIFFsubtype_VHDR_0['samplesPerHiCycle'] = getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 8, 4)); $thisfile_riff_RIFFsubtype_VHDR_0['samplesPerSec'] = getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 12, 2)); $thisfile_riff_RIFFsubtype_VHDR_0['ctOctave'] = getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 14, 1)); $thisfile_riff_RIFFsubtype_VHDR_0['sCompression'] = getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 15, 1)); $thisfile_riff_RIFFsubtype_VHDR_0['Volume'] = getid3_lib::FixedPoint16_16(substr($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: $this->warning('Unexpected sCompression value in 8SVX.VHDR chunk - expecting 0 or 1, found "'.$thisfile_riff_RIFFsubtype_VHDR_0['sCompression'].'"'); break; } } if (isset($thisfile_riff[$RIFFsubtype]['CHAN'][0]['data'])) { $ChannelsIndex = getid3_lib::BigEndian2Int(substr($thisfile_riff[$RIFFsubtype]['CHAN'][0]['data'], 0, 4)); switch ($ChannelsIndex) { case 6: // Stereo $thisfile_audio['channels'] = 2; break; case 2: // Left channel only case 4: // Right channel only $thisfile_audio['channels'] = 1; break; default: $this->warning('Unexpected value in 8SVX.CHAN chunk - expecting 2 or 4 or 6, found "'.$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['fileformat'] = 'vcd'; // Asume Video CD $info['mime_type'] = 'video/mpeg'; if (!empty($thisfile_riff['CDXA']['data'][0]['size'])) { getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio-video.mpeg.php', __FILE__, true); $getid3_temp = new getID3(); $getid3_temp->openfile($this->getid3->filename, $this->getid3->info['filesize'], $this->getid3->fp); $getid3_mpeg = new getid3_mpeg($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; case 'WEBP': // https://developers.google.com/speed/webp/docs/riff_container // https://tools.ietf.org/html/rfc6386 // https://chromium.googlesource.com/webm/libwebp/+/master/doc/webp-lossless-bitstream-spec.txt $info['fileformat'] = 'webp'; $info['mime_type'] = 'image/webp'; if (!empty($thisfile_riff['WEBP']['VP8 '][0]['size'])) { $old_offset = $this->ftell(); $this->fseek($thisfile_riff['WEBP']['VP8 '][0]['offset'] + 8); // 4 bytes "VP8 " + 4 bytes chunk size $WEBP_VP8_header = $this->fread(10); $this->fseek($old_offset); if (substr($WEBP_VP8_header, 3, 3) == "\x9D\x01\x2A") { $thisfile_riff['WEBP']['VP8 '][0]['keyframe'] = !(getid3_lib::LittleEndian2Int(substr($WEBP_VP8_header, 0, 3)) & 0x800000); $thisfile_riff['WEBP']['VP8 '][0]['version'] = (getid3_lib::LittleEndian2Int(substr($WEBP_VP8_header, 0, 3)) & 0x700000) >> 20; $thisfile_riff['WEBP']['VP8 '][0]['show_frame'] = (getid3_lib::LittleEndian2Int(substr($WEBP_VP8_header, 0, 3)) & 0x080000); $thisfile_riff['WEBP']['VP8 '][0]['data_bytes'] = (getid3_lib::LittleEndian2Int(substr($WEBP_VP8_header, 0, 3)) & 0x07FFFF) >> 0; $thisfile_riff['WEBP']['VP8 '][0]['scale_x'] = (getid3_lib::LittleEndian2Int(substr($WEBP_VP8_header, 6, 2)) & 0xC000) >> 14; $thisfile_riff['WEBP']['VP8 '][0]['width'] = (getid3_lib::LittleEndian2Int(substr($WEBP_VP8_header, 6, 2)) & 0x3FFF); $thisfile_riff['WEBP']['VP8 '][0]['scale_y'] = (getid3_lib::LittleEndian2Int(substr($WEBP_VP8_header, 8, 2)) & 0xC000) >> 14; $thisfile_riff['WEBP']['VP8 '][0]['height'] = (getid3_lib::LittleEndian2Int(substr($WEBP_VP8_header, 8, 2)) & 0x3FFF); $info['video']['resolution_x'] = $thisfile_riff['WEBP']['VP8 '][0]['width']; $info['video']['resolution_y'] = $thisfile_riff['WEBP']['VP8 '][0]['height']; } else { $this->error('Expecting 9D 01 2A at offset '.($thisfile_riff['WEBP']['VP8 '][0]['offset'] + 8 + 3).', found "'.getid3_lib::PrintHexBytes(substr($WEBP_VP8_header, 3, 3)).'"'); } } if (!empty($thisfile_riff['WEBP']['VP8L'][0]['size'])) { $old_offset = $this->ftell(); $this->fseek($thisfile_riff['WEBP']['VP8L'][0]['offset'] + 8); // 4 bytes "VP8L" + 4 bytes chunk size $WEBP_VP8L_header = $this->fread(10); $this->fseek($old_offset); if (substr($WEBP_VP8L_header, 0, 1) == "\x2F") { $width_height_flags = getid3_lib::LittleEndian2Bin(substr($WEBP_VP8L_header, 1, 4)); $thisfile_riff['WEBP']['VP8L'][0]['width'] = bindec(substr($width_height_flags, 18, 14)) + 1; $thisfile_riff['WEBP']['VP8L'][0]['height'] = bindec(substr($width_height_flags, 4, 14)) + 1; $thisfile_riff['WEBP']['VP8L'][0]['alpha_is_used'] = (bool) bindec(substr($width_height_flags, 3, 1)); $thisfile_riff['WEBP']['VP8L'][0]['version'] = bindec(substr($width_height_flags, 0, 3)); $info['video']['resolution_x'] = $thisfile_riff['WEBP']['VP8L'][0]['width']; $info['video']['resolution_y'] = $thisfile_riff['WEBP']['VP8L'][0]['height']; } else { $this->error('Expecting 2F at offset '.($thisfile_riff['WEBP']['VP8L'][0]['offset'] + 8).', found "'.getid3_lib::PrintHexBytes(substr($WEBP_VP8L_header, 0, 1)).'"'); } } break; default: $this->error('Unknown RIFF type: expecting one of (WAVE|RMP3|AVI |CDDA|AIFF|AIFC|8SVX|CDXA|WEBP), found "'.$RIFFsubtype.'" instead'); //unset($info['fileformat']); } switch ($RIFFsubtype) { case 'WAVE': case 'AIFF': case 'AIFC': $ID3v2_key_good = 'id3 '; $ID3v2_keys_bad = array('ID3 ', 'tag '); foreach ($ID3v2_keys_bad as $ID3v2_key_bad) { if (isset($thisfile_riff[$RIFFsubtype][$ID3v2_key_bad]) && !array_key_exists($ID3v2_key_good, $thisfile_riff[$RIFFsubtype])) { $thisfile_riff[$RIFFsubtype][$ID3v2_key_good] = $thisfile_riff[$RIFFsubtype][$ID3v2_key_bad]; $this->warning('mapping "'.$ID3v2_key_bad.'" chunk to "'.$ID3v2_key_good.'"'); } } if (isset($thisfile_riff[$RIFFsubtype]['id3 '])) { getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.id3v2.php', __FILE__, true); $getid3_temp = new getID3(); $getid3_temp->openfile($this->getid3->filename, $this->getid3->info['filesize'], $this->getid3->fp); $getid3_id3v2 = new getid3_id3v2($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_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($thisfile_riff_WAVE['INFO'])) { self::parseComments($thisfile_riff_WAVE['INFO'], $thisfile_riff['comments']); } if (isset($thisfile_riff['AVI ']['INFO']) && is_array($thisfile_riff['AVI ']['INFO'])) { self::parseComments($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'])) { // @phpstan-ignore-line // 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'])) { // @phpstan-ignore-line $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']; } } } $getid3_mp3 = new getid3_mp3($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($thisfile_riff['video']); } return true; } public function ParseRIFFAMV($startoffset, $maxoffset) { // 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 // https://code.google.com/p/amv-codec-tools/wiki/AmvDocumentation //typedef struct _amvmainheader { //FOURCC fcc; // 'amvh' //DWORD cb; //DWORD dwMicroSecPerFrame; //BYTE reserve[28]; //DWORD dwWidth; //DWORD dwHeight; //DWORD dwSpeed; //DWORD reserve0; //DWORD reserve1; //BYTE bTimeSec; //BYTE bTimeMin; //WORD wTimeHour; //} AMVMAINHEADER; $info = &$this->getid3->info; $RIFFchunk = false; try { $this->fseek($startoffset); $maxoffset = min($maxoffset, $info['avdataend']); $AMVheader = $this->fread(284); if (substr($AMVheader, 0, 8) != 'hdrlamvh') { throw new Exception('expecting "hdrlamv" at offset '.($startoffset + 0).', found "'.substr($AMVheader, 0, 8).'"'); } if (substr($AMVheader, 8, 4) != "\x38\x00\x00\x00") { // "amvh" chunk size, hardcoded to 0x38 = 56 bytes throw new Exception('expecting "0x38000000" at offset '.($startoffset + 8).', found "'.getid3_lib::PrintHexBytes(substr($AMVheader, 8, 4)).'"'); } $RIFFchunk = array(); $RIFFchunk['amvh']['us_per_frame'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 12, 4)); $RIFFchunk['amvh']['reserved28'] = substr($AMVheader, 16, 28); // null? reserved? $RIFFchunk['amvh']['resolution_x'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 44, 4)); $RIFFchunk['amvh']['resolution_y'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 48, 4)); $RIFFchunk['amvh']['frame_rate_int'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 52, 4)); $RIFFchunk['amvh']['reserved0'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 56, 4)); // 1? reserved? $RIFFchunk['amvh']['reserved1'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 60, 4)); // 0? reserved? $RIFFchunk['amvh']['runtime_sec'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 64, 1)); $RIFFchunk['amvh']['runtime_min'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 65, 1)); $RIFFchunk['amvh']['runtime_hrs'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 66, 2)); $info['video']['frame_rate'] = 1000000 / $RIFFchunk['amvh']['us_per_frame']; $info['video']['resolution_x'] = $RIFFchunk['amvh']['resolution_x']; $info['video']['resolution_y'] = $RIFFchunk['amvh']['resolution_y']; $info['playtime_seconds'] = ($RIFFchunk['amvh']['runtime_hrs'] * 3600) + ($RIFFchunk['amvh']['runtime_min'] * 60) + $RIFFchunk['amvh']['runtime_sec']; // the rest is all hardcoded(?) and does not appear to be useful until you get to audio info at offset 256, even then everything is probably hardcoded if (substr($AMVheader, 68, 20) != 'LIST'."\x00\x00\x00\x00".'strlstrh'."\x38\x00\x00\x00") { throw new Exception('expecting "LIST<0x00000000>strlstrh<0x38000000>" at offset '.($startoffset + 68).', found "'.getid3_lib::PrintHexBytes(substr($AMVheader, 68, 20)).'"'); } // followed by 56 bytes of null: substr($AMVheader, 88, 56) -> 144 if (substr($AMVheader, 144, 8) != 'strf'."\x24\x00\x00\x00") { throw new Exception('expecting "strf<0x24000000>" at offset '.($startoffset + 144).', found "'.getid3_lib::PrintHexBytes(substr($AMVheader, 144, 8)).'"'); } // followed by 36 bytes of null: substr($AMVheader, 144, 36) -> 180 if (substr($AMVheader, 188, 20) != 'LIST'."\x00\x00\x00\x00".'strlstrh'."\x30\x00\x00\x00") { throw new Exception('expecting "LIST<0x00000000>strlstrh<0x30000000>" at offset '.($startoffset + 188).', found "'.getid3_lib::PrintHexBytes(substr($AMVheader, 188, 20)).'"'); } // followed by 48 bytes of null: substr($AMVheader, 208, 48) -> 256 if (substr($AMVheader, 256, 8) != 'strf'."\x14\x00\x00\x00") { throw new Exception('expecting "strf<0x14000000>" at offset '.($startoffset + 256).', found "'.getid3_lib::PrintHexBytes(substr($AMVheader, 256, 8)).'"'); } // followed by 20 bytes of a modified WAVEFORMATEX: // typedef struct { // WORD wFormatTag; //(Fixme: this is equal to PCM's 0x01 format code) // WORD nChannels; //(Fixme: this is always 1) // DWORD nSamplesPerSec; //(Fixme: for all known sample files this is equal to 22050) // DWORD nAvgBytesPerSec; //(Fixme: for all known sample files this is equal to 44100) // WORD nBlockAlign; //(Fixme: this seems to be 2 in AMV files, is this correct ?) // WORD wBitsPerSample; //(Fixme: this seems to be 16 in AMV files instead of the expected 4) // WORD cbSize; //(Fixme: this seems to be 0 in AMV files) // WORD reserved; // } WAVEFORMATEX; $RIFFchunk['strf']['wformattag'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 264, 2)); $RIFFchunk['strf']['nchannels'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 266, 2)); $RIFFchunk['strf']['nsamplespersec'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 268, 4)); $RIFFchunk['strf']['navgbytespersec'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 272, 4)); $RIFFchunk['strf']['nblockalign'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 276, 2)); $RIFFchunk['strf']['wbitspersample'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 278, 2)); $RIFFchunk['strf']['cbsize'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 280, 2)); $RIFFchunk['strf']['reserved'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 282, 2)); $info['audio']['lossless'] = false; $info['audio']['sample_rate'] = $RIFFchunk['strf']['nsamplespersec']; $info['audio']['channels'] = $RIFFchunk['strf']['nchannels']; $info['audio']['bits_per_sample'] = $RIFFchunk['strf']['wbitspersample']; $info['audio']['bitrate'] = $info['audio']['sample_rate'] * $info['audio']['channels'] * $info['audio']['bits_per_sample']; $info['audio']['bitrate_mode'] = 'cbr'; } catch (getid3_exception $e) { if ($e->getCode() == 10) { $this->warning('RIFFAMV parser: '.$e->getMessage()); } else { throw $e; } } return $RIFFchunk; } public function ParseRIFF($startoffset, $maxoffset) { $info = &$this->getid3->info; $RIFFchunk = array(); $FoundAllChunksWeNeed = false; $LISTchunkParent = null; $LISTchunkMaxOffset = null; $AC3syncwordBytes = pack('n', getid3_ac3::syncword); // 0x0B77 -> "\x0B\x77" try { $this->fseek($startoffset); $maxoffset = min($maxoffset, $info['avdataend']); while ($this->ftell() < $maxoffset) { $chunknamesize = $this->fread(8); //$chunkname = substr($chunknamesize, 0, 4); $chunkname = str_replace("\x00", '_', substr($chunknamesize, 0, 4)); // note: chunk names of 4 null bytes do appear to be legal (has been observed inside INFO and PRMI chunks, for example), but makes traversing array keys more difficult $chunksize = $this->EitherEndian2Int(substr($chunknamesize, 4, 4)); //if (strlen(trim($chunkname, "\x00")) < 4) { if (strlen($chunkname) < 4) { $this->error('Expecting chunk name at offset '.($this->ftell() - 8).' but found nothing. Aborting RIFF parsing.'); break; } if (($chunksize == 0) && ($chunkname != 'JUNK')) { $this->warning('Chunk ('.$chunkname.') size at offset '.($this->ftell() - 4).' is zero. Aborting RIFF parsing.'); break; } if (($chunksize % 2) != 0) { // all structures are packed on word boundaries $chunksize++; } switch ($chunkname) { case 'LIST': $listname = $this->fread(4); if (preg_match('#^(movi|rec )$#i', $listname)) { $RIFFchunk[$listname]['offset'] = $this->ftell() - 4; $RIFFchunk[$listname]['size'] = $chunksize; if (!$FoundAllChunksWeNeed) { $WhereWeWere = $this->ftell(); $AudioChunkHeader = $this->fread(12); $AudioChunkStreamNum = substr($AudioChunkHeader, 0, 2); $AudioChunkStreamType = substr($AudioChunkHeader, 2, 2); $AudioChunkSize = getid3_lib::LittleEndian2Int(substr($AudioChunkHeader, 4, 4)); if ($AudioChunkStreamType == 'wb') { $FirstFourBytes = substr($AudioChunkHeader, 8, 4); if (preg_match('/^\xFF[\xE2-\xE7\xF2-\xF7\xFA-\xFF][\x00-\xEB]/s', $FirstFourBytes)) { // MP3 if (getid3_mp3::MPEGaudioHeaderBytesValid($FirstFourBytes)) { $getid3_temp = new getID3(); $getid3_temp->openfile($this->getid3->filename, $this->getid3->info['filesize'], $this->getid3->fp); $getid3_temp->info['avdataoffset'] = $this->ftell() - 4; $getid3_temp->info['avdataend'] = $this->ftell() + $AudioChunkSize; $getid3_mp3 = new getid3_mp3($getid3_temp, __CLASS__); $getid3_mp3->getOnlyMPEGaudioInfo($getid3_temp->info['avdataoffset'], false); if (isset($getid3_temp->info['mpeg']['audio'])) { $info['mpeg']['audio'] = $getid3_temp->info['mpeg']['audio']; $info['audio'] = $getid3_temp->info['audio']; $info['audio']['dataformat'] = 'mp'.$info['mpeg']['audio']['layer']; $info['audio']['sample_rate'] = $info['mpeg']['audio']['sample_rate']; $info['audio']['channels'] = $info['mpeg']['audio']['channels']; $info['audio']['bitrate'] = $info['mpeg']['audio']['bitrate']; $info['audio']['bitrate_mode'] = strtolower($info['mpeg']['audio']['bitrate_mode']); //$info['bitrate'] = $info['audio']['bitrate']; } unset($getid3_temp, $getid3_mp3); } } elseif (strpos($FirstFourBytes, $AC3syncwordBytes) === 0) { // AC3 $getid3_temp = new getID3(); $getid3_temp->openfile($this->getid3->filename, $this->getid3->info['filesize'], $this->getid3->fp); $getid3_temp->info['avdataoffset'] = $this->ftell() - 4; $getid3_temp->info['avdataend'] = $this->ftell() + $AudioChunkSize; $getid3_ac3 = new getid3_ac3($getid3_temp); $getid3_ac3->Analyze(); if (empty($getid3_temp->info['error'])) { $info['audio'] = $getid3_temp->info['audio']; $info['ac3'] = $getid3_temp->info['ac3']; if (!empty($getid3_temp->info['warning'])) { foreach ($getid3_temp->info['warning'] as $key => $value) { $this->warning($value); } } } unset($getid3_temp, $getid3_ac3); } } $FoundAllChunksWeNeed = true; $this->fseek($WhereWeWere); } $this->fseek($chunksize - 4, SEEK_CUR); } else { if (!isset($RIFFchunk[$listname])) { $RIFFchunk[$listname] = array(); } $LISTchunkParent = $listname; $LISTchunkMaxOffset = $this->ftell() - 4 + $chunksize; if ($parsedChunk = $this->ParseRIFF($this->ftell(), $LISTchunkMaxOffset)) { $RIFFchunk[$listname] = array_merge_recursive($RIFFchunk[$listname], $parsedChunk); } } break; default: if (preg_match('#^[0-9]{2}(wb|pc|dc|db)$#', $chunkname)) { $this->fseek($chunksize, SEEK_CUR); break; } $thisindex = 0; if (isset($RIFFchunk[$chunkname]) && is_array($RIFFchunk[$chunkname])) { $thisindex = count($RIFFchunk[$chunkname]); } $RIFFchunk[$chunkname][$thisindex]['offset'] = $this->ftell() - 8; $RIFFchunk[$chunkname][$thisindex]['size'] = $chunksize; switch ($chunkname) { case 'data': $info['avdataoffset'] = $this->ftell(); $info['avdataend'] = $info['avdataoffset'] + $chunksize; $testData = $this->fread(36); if ($testData === '') { break; } if (preg_match('/^\xFF[\xE2-\xE7\xF2-\xF7\xFA-\xFF][\x00-\xEB]/s', substr($testData, 0, 4))) { // Probably is MP3 data if (getid3_mp3::MPEGaudioHeaderBytesValid(substr($testData, 0, 4))) { $getid3_temp = new getID3(); $getid3_temp->openfile($this->getid3->filename, $this->getid3->info['filesize'], $this->getid3->fp); $getid3_temp->info['avdataoffset'] = $info['avdataoffset']; $getid3_temp->info['avdataend'] = $info['avdataend']; $getid3_mp3 = new getid3_mp3($getid3_temp, __CLASS__); $getid3_mp3->getOnlyMPEGaudioInfo($info['avdataoffset'], false); if (empty($getid3_temp->info['error'])) { $info['audio'] = $getid3_temp->info['audio']; $info['mpeg'] = $getid3_temp->info['mpeg']; } unset($getid3_temp, $getid3_mp3); } } elseif (($isRegularAC3 = (substr($testData, 0, 2) == $AC3syncwordBytes)) || substr($testData, 8, 2) == strrev($AC3syncwordBytes)) { // This is probably AC-3 data $getid3_temp = new getID3(); if ($isRegularAC3) { $getid3_temp->openfile($this->getid3->filename, $this->getid3->info['filesize'], $this->getid3->fp); $getid3_temp->info['avdataoffset'] = $info['avdataoffset']; $getid3_temp->info['avdataend'] = $info['avdataend']; } $getid3_ac3 = new getid3_ac3($getid3_temp); if ($isRegularAC3) { $getid3_ac3->Analyze(); } else { // Dolby Digital WAV // AC-3 content, but not encoded in same format as normal AC-3 file // For one thing, byte order is swapped $ac3_data = ''; for ($i = 0; $i < 28; $i += 2) { $ac3_data .= substr($testData, 8 + $i + 1, 1); $ac3_data .= substr($testData, 8 + $i + 0, 1); } $getid3_ac3->getid3->info['avdataoffset'] = 0; $getid3_ac3->getid3->info['avdataend'] = strlen($ac3_data); $getid3_ac3->AnalyzeString($ac3_data); } if (empty($getid3_temp->info['error'])) { $info['audio'] = $getid3_temp->info['audio']; $info['ac3'] = $getid3_temp->info['ac3']; if (!empty($getid3_temp->info['warning'])) { foreach ($getid3_temp->info['warning'] as $newerror) { $this->warning('getid3_ac3() says: ['.$newerror.']'); } } } unset($getid3_temp, $getid3_ac3); } elseif (preg_match('/^('.implode('|', array_map('preg_quote', getid3_dts::$syncwords)).')/', $testData)) { // This is probably DTS data $getid3_temp = new getID3(); $getid3_temp->openfile($this->getid3->filename, $this->getid3->info['filesize'], $this->getid3->fp); $getid3_temp->info['avdataoffset'] = $info['avdataoffset']; $getid3_dts = new getid3_dts($getid3_temp); $getid3_dts->Analyze(); if (empty($getid3_temp->info['error'])) { $info['audio'] = $getid3_temp->info['audio']; $info['dts'] = $getid3_temp->info['dts']; $info['playtime_seconds'] = $getid3_temp->info['playtime_seconds']; // may not match RIFF calculations since DTS-WAV often used 14/16 bit-word packing if (!empty($getid3_temp->info['warning'])) { foreach ($getid3_temp->info['warning'] as $newerror) { $this->warning('getid3_dts() says: ['.$newerror.']'); } } } unset($getid3_temp, $getid3_dts); } elseif (substr($testData, 0, 4) == 'wvpk') { // This is WavPack data $info['wavpack']['offset'] = $info['avdataoffset']; $info['wavpack']['size'] = getid3_lib::LittleEndian2Int(substr($testData, 4, 4)); $this->parseWavPackHeader(substr($testData, 8, 28)); } else { // This is some other kind of data (quite possibly just PCM) // do nothing special, just skip it } $nextoffset = $info['avdataend']; $this->fseek($nextoffset); break; case 'iXML': case 'bext': case 'cart': case 'fmt ': case 'strh': case 'strf': case 'indx': case 'MEXT': case 'DISP': case 'wamd': case 'guan': // always read data in case 'JUNK': // should be: never read data in // but some programs write their version strings in a JUNK chunk (e.g. VirtualDub, AVIdemux, etc) if ($chunksize < 1048576) { if ($chunksize > 0) { $RIFFchunk[$chunkname][$thisindex]['data'] = $this->fread($chunksize); if ($chunkname == 'JUNK') { if (preg_match('#^([\\x20-\\x7F]+)#', $RIFFchunk[$chunkname][$thisindex]['data'], $matches)) { // only keep text characters [chr(32)-chr(127)] $info['riff']['comments']['junk'][] = trim($matches[1]); } // but if nothing there, ignore // remove the key in either case unset($RIFFchunk[$chunkname][$thisindex]['data']); } } } else { $this->warning('Chunk "'.$chunkname.'" at offset '.$this->ftell().' is unexpectedly larger than 1MB (claims to be '.number_format($chunksize).' bytes), skipping data'); $this->fseek($chunksize, SEEK_CUR); } break; //case 'IDVX': // $info['divxtag']['comments'] = self::ParseDIVXTAG($this->fread($chunksize)); // break; case 'scot': // https://cmsdk.com/node-js/adding-scot-chunk-to-wav-file.html $RIFFchunk[$chunkname][$thisindex]['data'] = $this->fread($chunksize); $RIFFchunk[$chunkname][$thisindex]['parsed']['alter'] = substr($RIFFchunk[$chunkname][$thisindex]['data'], 0, 1); $RIFFchunk[$chunkname][$thisindex]['parsed']['attrib'] = substr($RIFFchunk[$chunkname][$thisindex]['data'], 1, 1); $RIFFchunk[$chunkname][$thisindex]['parsed']['artnum'] = getid3_lib::LittleEndian2Int(substr($RIFFchunk[$chunkname][$thisindex]['data'], 2, 2)); $RIFFchunk[$chunkname][$thisindex]['parsed']['title'] = substr($RIFFchunk[$chunkname][$thisindex]['data'], 4, 43); // "name" in other documentation $RIFFchunk[$chunkname][$thisindex]['parsed']['copy'] = substr($RIFFchunk[$chunkname][$thisindex]['data'], 47, 4); $RIFFchunk[$chunkname][$thisindex]['parsed']['padd'] = substr($RIFFchunk[$chunkname][$thisindex]['data'], 51, 1); $RIFFchunk[$chunkname][$thisindex]['parsed']['asclen'] = substr($RIFFchunk[$chunkname][$thisindex]['data'], 52, 5); $RIFFchunk[$chunkname][$thisindex]['parsed']['startseconds'] = getid3_lib::LittleEndian2Int(substr($RIFFchunk[$chunkname][$thisindex]['data'], 57, 2)); $RIFFchunk[$chunkname][$thisindex]['parsed']['starthundredths'] = getid3_lib::LittleEndian2Int(substr($RIFFchunk[$chunkname][$thisindex]['data'], 59, 2)); $RIFFchunk[$chunkname][$thisindex]['parsed']['endseconds'] = getid3_lib::LittleEndian2Int(substr($RIFFchunk[$chunkname][$thisindex]['data'], 61, 2)); $RIFFchunk[$chunkname][$thisindex]['parsed']['endhundreths'] = getid3_lib::LittleEndian2Int(substr($RIFFchunk[$chunkname][$thisindex]['data'], 63, 2)); $RIFFchunk[$chunkname][$thisindex]['parsed']['sdate'] = substr($RIFFchunk[$chunkname][$thisindex]['data'], 65, 6); $RIFFchunk[$chunkname][$thisindex]['parsed']['kdate'] = substr($RIFFchunk[$chunkname][$thisindex]['data'], 71, 6); $RIFFchunk[$chunkname][$thisindex]['parsed']['start_hr'] = substr($RIFFchunk[$chunkname][$thisindex]['data'], 77, 1); $RIFFchunk[$chunkname][$thisindex]['parsed']['kill_hr'] = substr($RIFFchunk[$chunkname][$thisindex]['data'], 78, 1); $RIFFchunk[$chunkname][$thisindex]['parsed']['digital'] = substr($RIFFchunk[$chunkname][$thisindex]['data'], 79, 1); $RIFFchunk[$chunkname][$thisindex]['parsed']['sample_rate'] = getid3_lib::LittleEndian2Int(substr($RIFFchunk[$chunkname][$thisindex]['data'], 80, 2)); $RIFFchunk[$chunkname][$thisindex]['parsed']['stereo'] = substr($RIFFchunk[$chunkname][$thisindex]['data'], 82, 1); $RIFFchunk[$chunkname][$thisindex]['parsed']['compress'] = substr($RIFFchunk[$chunkname][$thisindex]['data'], 83, 1); $RIFFchunk[$chunkname][$thisindex]['parsed']['eomstrt'] = getid3_lib::LittleEndian2Int(substr($RIFFchunk[$chunkname][$thisindex]['data'], 84, 4)); $RIFFchunk[$chunkname][$thisindex]['parsed']['eomlen'] = getid3_lib::LittleEndian2Int(substr($RIFFchunk[$chunkname][$thisindex]['data'], 88, 2)); $RIFFchunk[$chunkname][$thisindex]['parsed']['attrib2'] = getid3_lib::LittleEndian2Int(substr($RIFFchunk[$chunkname][$thisindex]['data'], 90, 4)); $RIFFchunk[$chunkname][$thisindex]['parsed']['future1'] = substr($RIFFchunk[$chunkname][$thisindex]['data'], 94, 12); $RIFFchunk[$chunkname][$thisindex]['parsed']['catfontcolor'] = getid3_lib::LittleEndian2Int(substr($RIFFchunk[$chunkname][$thisindex]['data'], 106, 4)); $RIFFchunk[$chunkname][$thisindex]['parsed']['catcolor'] = getid3_lib::LittleEndian2Int(substr($RIFFchunk[$chunkname][$thisindex]['data'], 110, 4)); $RIFFchunk[$chunkname][$thisindex]['parsed']['segeompos'] = getid3_lib::LittleEndian2Int(substr($RIFFchunk[$chunkname][$thisindex]['data'], 114, 4)); $RIFFchunk[$chunkname][$thisindex]['parsed']['vt_startsecs'] = getid3_lib::LittleEndian2Int(substr($RIFFchunk[$chunkname][$thisindex]['data'], 118, 2)); $RIFFchunk[$chunkname][$thisindex]['parsed']['vt_starthunds'] = getid3_lib::LittleEndian2Int(substr($RIFFchunk[$chunkname][$thisindex]['data'], 120, 2)); $RIFFchunk[$chunkname][$thisindex]['parsed']['priorcat'] = substr($RIFFchunk[$chunkname][$thisindex]['data'], 122, 3); $RIFFchunk[$chunkname][$thisindex]['parsed']['priorcopy'] = substr($RIFFchunk[$chunkname][$thisindex]['data'], 125, 4); $RIFFchunk[$chunkname][$thisindex]['parsed']['priorpadd'] = substr($RIFFchunk[$chunkname][$thisindex]['data'], 129, 1); $RIFFchunk[$chunkname][$thisindex]['parsed']['postcat'] = substr($RIFFchunk[$chunkname][$thisindex]['data'], 130, 3); $RIFFchunk[$chunkname][$thisindex]['parsed']['postcopy'] = substr($RIFFchunk[$chunkname][$thisindex]['data'], 133, 4); $RIFFchunk[$chunkname][$thisindex]['parsed']['postpadd'] = substr($RIFFchunk[$chunkname][$thisindex]['data'], 137, 1); $RIFFchunk[$chunkname][$thisindex]['parsed']['hrcanplay'] = substr($RIFFchunk[$chunkname][$thisindex]['data'], 138, 21); $RIFFchunk[$chunkname][$thisindex]['parsed']['future2'] = substr($RIFFchunk[$chunkname][$thisindex]['data'], 159, 108); $RIFFchunk[$chunkname][$thisindex]['parsed']['artist'] = substr($RIFFchunk[$chunkname][$thisindex]['data'], 267, 34); $RIFFchunk[$chunkname][$thisindex]['parsed']['comment'] = substr($RIFFchunk[$chunkname][$thisindex]['data'], 301, 34); // "trivia" in other documentation $RIFFchunk[$chunkname][$thisindex]['parsed']['intro'] = substr($RIFFchunk[$chunkname][$thisindex]['data'], 335, 2); $RIFFchunk[$chunkname][$thisindex]['parsed']['end'] = substr($RIFFchunk[$chunkname][$thisindex]['data'], 337, 1); $RIFFchunk[$chunkname][$thisindex]['parsed']['year'] = substr($RIFFchunk[$chunkname][$thisindex]['data'], 338, 4); $RIFFchunk[$chunkname][$thisindex]['parsed']['obsolete2'] = substr($RIFFchunk[$chunkname][$thisindex]['data'], 342, 1); $RIFFchunk[$chunkname][$thisindex]['parsed']['rec_hr'] = substr($RIFFchunk[$chunkname][$thisindex]['data'], 343, 1); $RIFFchunk[$chunkname][$thisindex]['parsed']['rdate'] = substr($RIFFchunk[$chunkname][$thisindex]['data'], 344, 6); $RIFFchunk[$chunkname][$thisindex]['parsed']['mpeg_bitrate'] = getid3_lib::LittleEndian2Int(substr($RIFFchunk[$chunkname][$thisindex]['data'], 350, 2)); $RIFFchunk[$chunkname][$thisindex]['parsed']['pitch'] = getid3_lib::LittleEndian2Int(substr($RIFFchunk[$chunkname][$thisindex]['data'], 352, 2)); $RIFFchunk[$chunkname][$thisindex]['parsed']['playlevel'] = getid3_lib::LittleEndian2Int(substr($RIFFchunk[$chunkname][$thisindex]['data'], 354, 2)); $RIFFchunk[$chunkname][$thisindex]['parsed']['lenvalid'] = substr($RIFFchunk[$chunkname][$thisindex]['data'], 356, 1); $RIFFchunk[$chunkname][$thisindex]['parsed']['filelength'] = getid3_lib::LittleEndian2Int(substr($RIFFchunk[$chunkname][$thisindex]['data'], 357, 4)); $RIFFchunk[$chunkname][$thisindex]['parsed']['newplaylevel'] = getid3_lib::LittleEndian2Int(substr($RIFFchunk[$chunkname][$thisindex]['data'], 361, 2)); $RIFFchunk[$chunkname][$thisindex]['parsed']['chopsize'] = getid3_lib::LittleEndian2Int(substr($RIFFchunk[$chunkname][$thisindex]['data'], 363, 4)); $RIFFchunk[$chunkname][$thisindex]['parsed']['vteomovr'] = getid3_lib::LittleEndian2Int(substr($RIFFchunk[$chunkname][$thisindex]['data'], 367, 4)); $RIFFchunk[$chunkname][$thisindex]['parsed']['desiredlen'] = getid3_lib::LittleEndian2Int(substr($RIFFchunk[$chunkname][$thisindex]['data'], 371, 4)); $RIFFchunk[$chunkname][$thisindex]['parsed']['triggers'] = getid3_lib::LittleEndian2Int(substr($RIFFchunk[$chunkname][$thisindex]['data'], 375, 4)); $RIFFchunk[$chunkname][$thisindex]['parsed']['fillout'] = substr($RIFFchunk[$chunkname][$thisindex]['data'], 379, 33); foreach (array('title', 'artist', 'comment') as $key) { if (trim($RIFFchunk[$chunkname][$thisindex]['parsed'][$key])) { $info['riff']['comments'][$key] = array($RIFFchunk[$chunkname][$thisindex]['parsed'][$key]); } } if ($RIFFchunk[$chunkname][$thisindex]['parsed']['filelength'] && !empty($info['filesize']) && ($RIFFchunk[$chunkname][$thisindex]['parsed']['filelength'] != $info['filesize'])) { $this->warning('RIFF.WAVE.scot.filelength ('.$RIFFchunk[$chunkname][$thisindex]['parsed']['filelength'].') different from actual filesize ('.$info['filesize'].')'); } break; default: if (!empty($LISTchunkParent) && isset($LISTchunkMaxOffset) && (($RIFFchunk[$chunkname][$thisindex]['offset'] + $RIFFchunk[$chunkname][$thisindex]['size']) <= $LISTchunkMaxOffset)) { $RIFFchunk[$LISTchunkParent][$chunkname][$thisindex]['offset'] = $RIFFchunk[$chunkname][$thisindex]['offset']; $RIFFchunk[$LISTchunkParent][$chunkname][$thisindex]['size'] = $RIFFchunk[$chunkname][$thisindex]['size']; unset($RIFFchunk[$chunkname][$thisindex]['offset']); unset($RIFFchunk[$chunkname][$thisindex]['size']); if (isset($RIFFchunk[$chunkname][$thisindex]) && empty($RIFFchunk[$chunkname][$thisindex])) { unset($RIFFchunk[$chunkname][$thisindex]); } if (count($RIFFchunk[$chunkname]) === 0) { unset($RIFFchunk[$chunkname]); } $RIFFchunk[$LISTchunkParent][$chunkname][$thisindex]['data'] = $this->fread($chunksize); } elseif ($chunksize < 2048) { // only read data in if smaller than 2kB $RIFFchunk[$chunkname][$thisindex]['data'] = $this->fread($chunksize); } else { $this->fseek($chunksize, SEEK_CUR); } break; } break; } } } catch (getid3_exception $e) { if ($e->getCode() == 10) { $this->warning('RIFF parser: '.$e->getMessage()); } else { throw $e; } } return !empty($RIFFchunk) ? $RIFFchunk : false; } public function ParseRIFFdata(&$RIFFdata) { $info = &$this->getid3->info; if ($RIFFdata) { $tempfile = tempnam(GETID3_TEMP_DIR, 'getID3'); $fp_temp = fopen($tempfile, 'wb'); $RIFFdataLength = strlen($RIFFdata); $NewLengthString = getid3_lib::LittleEndian2String($RIFFdataLength, 4); for ($i = 0; $i < 4; $i++) { $RIFFdata[($i + 4)] = $NewLengthString[$i]; } fwrite($fp_temp, $RIFFdata); fclose($fp_temp); $getid3_temp = new getID3(); $getid3_temp->openfile($tempfile); $getid3_temp->info['filesize'] = $RIFFdataLength; $getid3_temp->info['filenamepath'] = $info['filenamepath']; $getid3_temp->info['tags'] = $info['tags']; $getid3_temp->info['warning'] = $info['warning']; $getid3_temp->info['error'] = $info['error']; $getid3_temp->info['comments'] = $info['comments']; $getid3_temp->info['audio'] = (isset($info['audio']) ? $info['audio'] : array()); $getid3_temp->info['video'] = (isset($info['video']) ? $info['video'] : array()); $getid3_riff = new getid3_riff($getid3_temp); $getid3_riff->Analyze(); $info['riff'] = $getid3_temp->info['riff']; $info['warning'] = $getid3_temp->info['warning']; $info['error'] = $getid3_temp->info['error']; $info['tags'] = $getid3_temp->info['tags']; $info['comments'] = $getid3_temp->info['comments']; unset($getid3_riff, $getid3_temp); unlink($tempfile); } return false; } public static function parseComments(&$RIFFinfoArray, &$CommentsTargetArray) { $RIFFinfoKeyLookup = array( 'IARL'=>'archivallocation', 'IART'=>'artist', 'ICDS'=>'costumedesigner', 'ICMS'=>'commissionedby', 'ICMT'=>'comment', 'ICNT'=>'country', 'ICOP'=>'copyright', 'ICRD'=>'creationdate', 'IDIM'=>'dimensions', 'IDIT'=>'digitizationdate', 'IDPI'=>'resolution', 'IDST'=>'distributor', 'IEDT'=>'editor', 'IENG'=>'engineers', 'IFRM'=>'accountofparts', 'IGNR'=>'genre', 'IKEY'=>'keywords', 'ILGT'=>'lightness', 'ILNG'=>'language', 'IMED'=>'orignalmedium', 'IMUS'=>'composer', 'INAM'=>'title', 'IPDS'=>'productiondesigner', 'IPLT'=>'palette', 'IPRD'=>'product', 'IPRO'=>'producer', 'IPRT'=>'part', 'IRTD'=>'rating', 'ISBJ'=>'subject', 'ISFT'=>'software', 'ISGN'=>'secondarygenre', 'ISHP'=>'sharpness', 'ISRC'=>'sourcesupplier', 'ISRF'=>'digitizationsource', 'ISTD'=>'productionstudio', 'ISTR'=>'starring', 'ITCH'=>'encoded_by', 'IWEB'=>'url', 'IWRI'=>'writer', '____'=>'comment', ); foreach ($RIFFinfoKeyLookup as $key => $value) { if (isset($RIFFinfoArray[$key])) { foreach ($RIFFinfoArray[$key] as $commentid => $commentdata) { if (!empty($commentdata['data']) && trim($commentdata['data']) != '') { if (isset($CommentsTargetArray[$value])) { $CommentsTargetArray[$value][] = trim($commentdata['data']); } else { $CommentsTargetArray[$value] = array(trim($commentdata['data'])); } } } } } return true; } public static function parseWAVEFORMATex($WaveFormatExData) { // shortcut $WaveFormatEx = array(); $WaveFormatEx['raw'] = array(); $WaveFormatEx_raw = &$WaveFormatEx['raw']; $WaveFormatEx_raw['wFormatTag'] = substr($WaveFormatExData, 0, 2); $WaveFormatEx_raw['nChannels'] = substr($WaveFormatExData, 2, 2); $WaveFormatEx_raw['nSamplesPerSec'] = substr($WaveFormatExData, 4, 4); $WaveFormatEx_raw['nAvgBytesPerSec'] = substr($WaveFormatExData, 8, 4); $WaveFormatEx_raw['nBlockAlign'] = substr($WaveFormatExData, 12, 2); $WaveFormatEx_raw['wBitsPerSample'] = substr($WaveFormatExData, 14, 2); if (strlen($WaveFormatExData) > 16) { $WaveFormatEx_raw['cbSize'] = substr($WaveFormatExData, 16, 2); } $WaveFormatEx_raw = array_map('getid3_lib::LittleEndian2Int', $WaveFormatEx_raw); $WaveFormatEx['codec'] = self::wFormatTagLookup($WaveFormatEx_raw['wFormatTag']); $WaveFormatEx['channels'] = $WaveFormatEx_raw['nChannels']; $WaveFormatEx['sample_rate'] = $WaveFormatEx_raw['nSamplesPerSec']; $WaveFormatEx['bitrate'] = $WaveFormatEx_raw['nAvgBytesPerSec'] * 8; $WaveFormatEx['bits_per_sample'] = $WaveFormatEx_raw['wBitsPerSample']; return $WaveFormatEx; } public function parseWavPackHeader($WavPackChunkData) { // typedef struct { // char ckID [4]; // long ckSize; // short version; // short bits; // added for version 2.00 // short flags, shift; // added for version 3.00 // long total_samples, crc, crc2; // char extension [4], extra_bc, extras [3]; // } WavpackHeader; // shortcut $info = &$this->getid3->info; $info['wavpack'] = array(); $thisfile_wavpack = &$info['wavpack']; $thisfile_wavpack['version'] = getid3_lib::LittleEndian2Int(substr($WavPackChunkData, 0, 2)); if ($thisfile_wavpack['version'] >= 2) { $thisfile_wavpack['bits'] = getid3_lib::LittleEndian2Int(substr($WavPackChunkData, 2, 2)); } if ($thisfile_wavpack['version'] >= 3) { $thisfile_wavpack['flags_raw'] = getid3_lib::LittleEndian2Int(substr($WavPackChunkData, 4, 2)); $thisfile_wavpack['shift'] = getid3_lib::LittleEndian2Int(substr($WavPackChunkData, 6, 2)); $thisfile_wavpack['total_samples'] = getid3_lib::LittleEndian2Int(substr($WavPackChunkData, 8, 4)); $thisfile_wavpack['crc1'] = getid3_lib::LittleEndian2Int(substr($WavPackChunkData, 12, 4)); $thisfile_wavpack['crc2'] = getid3_lib::LittleEndian2Int(substr($WavPackChunkData, 16, 4)); $thisfile_wavpack['extension'] = substr($WavPackChunkData, 20, 4); $thisfile_wavpack['extra_bc'] = getid3_lib::LittleEndian2Int(substr($WavPackChunkData, 24, 1)); for ($i = 0; $i <= 2; $i++) { $thisfile_wavpack['extras'][] = getid3_lib::LittleEndian2Int(substr($WavPackChunkData, 25 + $i, 1)); } // shortcut $thisfile_wavpack['flags'] = array(); $thisfile_wavpack_flags = &$thisfile_wavpack['flags']; $thisfile_wavpack_flags['mono'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000001); $thisfile_wavpack_flags['fast_mode'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000002); $thisfile_wavpack_flags['raw_mode'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000004); $thisfile_wavpack_flags['calc_noise'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000008); $thisfile_wavpack_flags['high_quality'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000010); $thisfile_wavpack_flags['3_byte_samples'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000020); $thisfile_wavpack_flags['over_20_bits'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000040); $thisfile_wavpack_flags['use_wvc'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000080); $thisfile_wavpack_flags['noiseshaping'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000100); $thisfile_wavpack_flags['very_fast_mode'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000200); $thisfile_wavpack_flags['new_high_quality'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000400); $thisfile_wavpack_flags['cancel_extreme'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000800); $thisfile_wavpack_flags['cross_decorrelation'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x001000); $thisfile_wavpack_flags['new_decorrelation'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x002000); $thisfile_wavpack_flags['joint_stereo'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x004000); $thisfile_wavpack_flags['extra_decorrelation'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x008000); $thisfile_wavpack_flags['override_noiseshape'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x010000); $thisfile_wavpack_flags['override_jointstereo'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x020000); $thisfile_wavpack_flags['copy_source_filetime'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x040000); $thisfile_wavpack_flags['create_exe'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x080000); } return true; } public static function ParseBITMAPINFOHEADER($BITMAPINFOHEADER, $littleEndian=true) { $parsed = array(); $parsed['biSize'] = substr($BITMAPINFOHEADER, 0, 4); // number of bytes required by the BITMAPINFOHEADER structure $parsed['biWidth'] = substr($BITMAPINFOHEADER, 4, 4); // width of the bitmap in pixels $parsed['biHeight'] = substr($BITMAPINFOHEADER, 8, 4); // height of the bitmap in pixels. If biHeight is positive, the bitmap is a 'bottom-up' DIB and its origin is the lower left corner. If biHeight is negative, the bitmap is a 'top-down' DIB and its origin is the upper left corner $parsed['biPlanes'] = substr($BITMAPINFOHEADER, 12, 2); // number of color planes on the target device. In most cases this value must be set to 1 $parsed['biBitCount'] = substr($BITMAPINFOHEADER, 14, 2); // Specifies the number of bits per pixels $parsed['biSizeImage'] = substr($BITMAPINFOHEADER, 20, 4); // size of the bitmap data section of the image (the actual pixel data, excluding BITMAPINFOHEADER and RGBQUAD structures) $parsed['biXPelsPerMeter'] = substr($BITMAPINFOHEADER, 24, 4); // horizontal resolution, in pixels per metre, of the target device $parsed['biYPelsPerMeter'] = substr($BITMAPINFOHEADER, 28, 4); // vertical resolution, in pixels per metre, of the target device $parsed['biClrUsed'] = substr($BITMAPINFOHEADER, 32, 4); // actual number of color indices in the color table used by the bitmap. If this value is zero, the bitmap uses the maximum number of colors corresponding to the value of the biBitCount member for the compression mode specified by biCompression $parsed['biClrImportant'] = substr($BITMAPINFOHEADER, 36, 4); // number of color indices that are considered important for displaying the bitmap. If this value is zero, all colors are important $parsed = array_map('getid3_lib::'.($littleEndian ? 'Little' : 'Big').'Endian2Int', $parsed); $parsed['fourcc'] = substr($BITMAPINFOHEADER, 16, 4); // compression identifier return $parsed; } public static function ParseDIVXTAG($DIVXTAG, $raw=false) { // structure from "IDivX" source, Form1.frm, by "Greg Frazier of Daemonic Software Group", email: gfrazier@icestorm.net, web: http://dsg.cjb.net/ // source available at http://files.divx-digest.com/download/c663efe7ef8ad2e90bf4af4d3ea6188a/on0SWN2r/edit/IDivX.zip // 'Byte Layout: '1111111111111111 // '32 for Movie - 1 '1111111111111111 // '28 for Author - 6 '6666666666666666 // '4 for year - 2 '6666666666662222 // '3 for genre - 3 '7777777777777777 // '48 for Comments - 7 '7777777777777777 // '1 for Rating - 4 '7777777777777777 // '5 for Future Additions - 0 '333400000DIVXTAG // '128 bytes total static $DIVXTAGgenre = array( 0 => 'Action', 1 => 'Action/Adventure', 2 => 'Adventure', 3 => 'Adult', 4 => 'Anime', 5 => 'Cartoon', 6 => 'Claymation', 7 => 'Comedy', 8 => 'Commercial', 9 => 'Documentary', 10 => 'Drama', 11 => 'Home Video', 12 => 'Horror', 13 => 'Infomercial', 14 => 'Interactive', 15 => 'Mystery', 16 => 'Music Video', 17 => 'Other', 18 => 'Religion', 19 => 'Sci Fi', 20 => 'Thriller', 21 => 'Western', ), $DIVXTAGrating = array( 0 => 'Unrated', 1 => 'G', 2 => 'PG', 3 => 'PG-13', 4 => 'R', 5 => 'NC-17', ); $parsed = array(); $parsed['title'] = trim(substr($DIVXTAG, 0, 32)); $parsed['artist'] = trim(substr($DIVXTAG, 32, 28)); $parsed['year'] = intval(trim(substr($DIVXTAG, 60, 4))); $parsed['comment'] = trim(substr($DIVXTAG, 64, 48)); $parsed['genre_id'] = intval(trim(substr($DIVXTAG, 112, 3))); $parsed['rating_id'] = ord(substr($DIVXTAG, 115, 1)); //$parsed['padding'] = substr($DIVXTAG, 116, 5); // 5-byte null //$parsed['magic'] = substr($DIVXTAG, 121, 7); // "DIVXTAG" $parsed['genre'] = (isset($DIVXTAGgenre[$parsed['genre_id']]) ? $DIVXTAGgenre[$parsed['genre_id']] : $parsed['genre_id']); $parsed['rating'] = (isset($DIVXTAGrating[$parsed['rating_id']]) ? $DIVXTAGrating[$parsed['rating_id']] : $parsed['rating_id']); if (!$raw) { unset($parsed['genre_id'], $parsed['rating_id']); foreach ($parsed as $key => $value) { if (empty($value)) { unset($parsed[$key]); } } } foreach ($parsed as $tag => $value) { $parsed[$tag] = array($value); } return $parsed; } public static function waveSNDMtagLookup($tagshortname) { $begin = __LINE__; return getid3_lib::EmbeddedLookup($tagshortname, $begin, __LINE__, __FILE__, 'riff-sndm'); } public static function wFormatTagLookup($wFormatTag) { $begin = __LINE__; return getid3_lib::EmbeddedLookup('0x'.str_pad(strtoupper(dechex($wFormatTag)), 4, '0', STR_PAD_LEFT), $begin, __LINE__, __FILE__, 'riff-wFormatTag'); } public static function fourccLookup($fourcc) { $begin = __LINE__; return getid3_lib::EmbeddedLookup($fourcc, $begin, __LINE__, __FILE__, 'riff-fourcc'); } private function EitherEndian2Int($byteword, $signed=false) { if ($this->container == 'riff') { return getid3_lib::LittleEndian2Int($byteword, $signed); } return getid3_lib::BigEndian2Int($byteword, false, $signed); } }