diff options
Diffstat (limited to 'srcs/wordpress/wp-includes/ID3/module.audio-video.riff.php')
| -rw-r--r-- | srcs/wordpress/wp-includes/ID3/module.audio-video.riff.php | 2788 |
1 files changed, 2788 insertions, 0 deletions
diff --git a/srcs/wordpress/wp-includes/ID3/module.audio-video.riff.php b/srcs/wordpress/wp-includes/ID3/module.audio-video.riff.php new file mode 100644 index 0000000..276f131 --- /dev/null +++ b/srcs/wordpress/wp-includes/ID3/module.audio-video.riff.php @@ -0,0 +1,2788 @@ +<?php + +///////////////////////////////////////////////////////////////// +/// getID3() by James Heinrich <info@getid3.org> // +// 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 // +// /// +///////////////////////////////////////////////////////////////// + +/** +* @todo Parse AC-3/DTS audio inside WAVE correctly +* @todo Rewrite RIFF parser totally +*/ + +getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.mp3.php', __FILE__, true); +getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.ac3.php', __FILE__, true); +getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.dts.php', __FILE__, true); + +class getid3_riff extends getid3_handler +{ + protected $container = 'riff'; // default + + /** + * @return bool + * + * @throws getid3_exception + */ + 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['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]; + + $thisfile_audio = getid3_lib::array_merge_noclobber($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) + $info['playtime_seconds'] = (float) ((($info['avdataend'] - $info['avdataoffset']) * 8) / $thisfile_audio['bitrate']); + } + + $thisfile_audio['lossless'] = false; + if (isset($thisfile_riff_WAVE['data'][0]['offset']) && isset($thisfile_riff_raw['fmt ']['wFormatTag'])) { + switch ($thisfile_riff_raw['fmt ']['wFormatTag']) { + + case 0x0001: // PCM + $thisfile_audio['lossless'] = true; + break; + + case 0x2000: // AC-3 + $thisfile_audio_dataformat = 'ac3'; + break; + + default: + // do nothing + break; + + } + } + $thisfile_audio['streams'][$streamindex]['wformattag'] = $thisfile_audio['wformattag']; + $thisfile_audio['streams'][$streamindex]['bitrate_mode'] = $thisfile_audio['bitrate_mode']; + $thisfile_audio['streams'][$streamindex]['lossless'] = $thisfile_audio['lossless']; + $thisfile_audio['streams'][$streamindex]['dataformat'] = $thisfile_audio_dataformat; + } + + if (isset($thisfile_riff_WAVE['rgad'][0]['data'])) { + + // shortcuts + $rgadData = &$thisfile_riff_WAVE['rgad'][0]['data']; + $thisfile_riff_raw['rgad'] = array('track'=>array(), 'album'=>array()); + $thisfile_riff_raw_rgad = &$thisfile_riff_raw['rgad']; + $thisfile_riff_raw_rgad_track = &$thisfile_riff_raw_rgad['track']; + $thisfile_riff_raw_rgad_album = &$thisfile_riff_raw_rgad['album']; + + $thisfile_riff_raw_rgad['fPeakAmplitude'] = getid3_lib::LittleEndian2Float(substr($rgadData, 0, 4)); + $thisfile_riff_raw_rgad['nRadioRgAdjust'] = $this->EitherEndian2Int(substr($rgadData, 4, 2)); + $thisfile_riff_raw_rgad['nAudiophileRgAdjust'] = $this->EitherEndian2Int(substr($rgadData, 6, 2)); + + $nRadioRgAdjustBitstring = str_pad(getid3_lib::Dec2Bin($thisfile_riff_raw_rgad['nRadioRgAdjust']), 16, '0', STR_PAD_LEFT); + $nAudiophileRgAdjustBitstring = str_pad(getid3_lib::Dec2Bin($thisfile_riff_raw_rgad['nAudiophileRgAdjust']), 16, '0', STR_PAD_LEFT); + $thisfile_riff_raw_rgad_track['name'] = getid3_lib::Bin2Dec(substr($nRadioRgAdjustBitstring, 0, 3)); + $thisfile_riff_raw_rgad_track['originator'] = getid3_lib::Bin2Dec(substr($nRadioRgAdjustBitstring, 3, 3)); + $thisfile_riff_raw_rgad_track['signbit'] = getid3_lib::Bin2Dec(substr($nRadioRgAdjustBitstring, 6, 1)); + $thisfile_riff_raw_rgad_track['adjustment'] = getid3_lib::Bin2Dec(substr($nRadioRgAdjustBitstring, 7, 9)); + $thisfile_riff_raw_rgad_album['name'] = getid3_lib::Bin2Dec(substr($nAudiophileRgAdjustBitstring, 0, 3)); + $thisfile_riff_raw_rgad_album['originator'] = getid3_lib::Bin2Dec(substr($nAudiophileRgAdjustBitstring, 3, 3)); + $thisfile_riff_raw_rgad_album['signbit'] = getid3_lib::Bin2Dec(substr($nAudiophileRgAdjustBitstring, 6, 1)); + $thisfile_riff_raw_rgad_album['adjustment'] = getid3_lib::Bin2Dec(substr($nAudiophileRgAdjustBitstring, 7, 9)); + + $thisfile_riff['rgad']['peakamplitude'] = $thisfile_riff_raw_rgad['fPeakAmplitude']; + if (($thisfile_riff_raw_rgad_track['name'] != 0) && ($thisfile_riff_raw_rgad_track['originator'] != 0)) { + $thisfile_riff['rgad']['track']['name'] = getid3_lib::RGADnameLookup($thisfile_riff_raw_rgad_track['name']); + $thisfile_riff['rgad']['track']['originator'] = getid3_lib::RGADoriginatorLookup($thisfile_riff_raw_rgad_track['originator']); + $thisfile_riff['rgad']['track']['adjustment'] = getid3_lib::RGADadjustmentLookup($thisfile_riff_raw_rgad_track['adjustment'], $thisfile_riff_raw_rgad_track['signbit']); + } + if (($thisfile_riff_raw_rgad_album['name'] != 0) && ($thisfile_riff_raw_rgad_album['originator'] != 0)) { + $thisfile_riff['rgad']['album']['name'] = getid3_lib::RGADnameLookup($thisfile_riff_raw_rgad_album['name']); + $thisfile_riff['rgad']['album']['originator'] = getid3_lib::RGADoriginatorLookup($thisfile_riff_raw_rgad_album['originator']); + $thisfile_riff['rgad']['album']['adjustment'] = getid3_lib::RGADadjustmentLookup($thisfile_riff_raw_rgad_album['adjustment'], $thisfile_riff_raw_rgad_album['signbit']); + } + } + + if (isset($thisfile_riff_WAVE['fact'][0]['data'])) { + $thisfile_riff_raw['fact']['NumberOfSamples'] = $this->EitherEndian2Int(substr($thisfile_riff_WAVE['fact'][0]['data'], 0, 4)); + + // This should be a good way of calculating exact playtime, + // but some sample files have had incorrect number of samples, + // so cannot use this method + + // if (!empty($thisfile_riff_raw['fmt ']['nSamplesPerSec'])) { + // $info['playtime_seconds'] = (float) $thisfile_riff_raw['fact']['NumberOfSamples'] / $thisfile_riff_raw['fmt ']['nSamplesPerSec']; + // } + } + if (!empty($thisfile_riff_raw['fmt ']['nAvgBytesPerSec'])) { + $thisfile_audio['bitrate'] = getid3_lib::CastAsInt($thisfile_riff_raw['fmt ']['nAvgBytesPerSec'] * 8); + } + + if (isset($thisfile_riff_WAVE['bext'][0]['data'])) { + // shortcut + $thisfile_riff_WAVE_bext_0 = &$thisfile_riff_WAVE['bext'][0]; + + $thisfile_riff_WAVE_bext_0['title'] = trim(substr($thisfile_riff_WAVE_bext_0['data'], 0, 256)); + $thisfile_riff_WAVE_bext_0['author'] = trim(substr($thisfile_riff_WAVE_bext_0['data'], 256, 32)); + $thisfile_riff_WAVE_bext_0['reference'] = trim(substr($thisfile_riff_WAVE_bext_0['data'], 288, 32)); + $thisfile_riff_WAVE_bext_0['origin_date'] = substr($thisfile_riff_WAVE_bext_0['data'], 320, 10); + $thisfile_riff_WAVE_bext_0['origin_time'] = substr($thisfile_riff_WAVE_bext_0['data'], 330, 8); + $thisfile_riff_WAVE_bext_0['time_reference'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_bext_0['data'], 338, 8)); + $thisfile_riff_WAVE_bext_0['bwf_version'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_bext_0['data'], 346, 1)); + $thisfile_riff_WAVE_bext_0['reserved'] = substr($thisfile_riff_WAVE_bext_0['data'], 347, 254); + $thisfile_riff_WAVE_bext_0['coding_history'] = explode("\r\n", trim(substr($thisfile_riff_WAVE_bext_0['data'], 601))); + if (preg_match('#^([0-9]{4}).([0-9]{2}).([0-9]{2})$#', $thisfile_riff_WAVE_bext_0['origin_date'], $matches_bext_date)) { + if (preg_match('#^([0-9]{2}).([0-9]{2}).([0-9]{2})$#', $thisfile_riff_WAVE_bext_0['origin_time'], $matches_bext_time)) { + list($dummy, $bext_timestamp['year'], $bext_timestamp['month'], $bext_timestamp['day']) = $matches_bext_date; + list($dummy, $bext_timestamp['hour'], $bext_timestamp['minute'], $bext_timestamp['second']) = $matches_bext_time; + $thisfile_riff_WAVE_bext_0['origin_date_unix'] = gmmktime($bext_timestamp['hour'], $bext_timestamp['minute'], $bext_timestamp['second'], $bext_timestamp['month'], $bext_timestamp['day'], $bext_timestamp['year']); + } else { + $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'] = $numerator / ($denominator ? $denominator : 1000); + } + if (isset($parsedXML['SPEED']['TIMECODE_RATE'])) { + @list($numerator, $denominator) = explode('/', $parsedXML['SPEED']['TIMECODE_RATE']); + $thisfile_riff_WAVE['iXML'][0]['timecode_rate'] = $numerator / ($denominator ? $denominator : 1000); + } + if (isset($parsedXML['SPEED']['TIMESTAMP_SAMPLES_SINCE_MIDNIGHT_LO']) && !empty($parsedXML['SPEED']['TIMESTAMP_SAMPLE_RATE']) && !empty($thisfile_riff_WAVE['iXML'][0]['timecode_rate'])) { + $samples_since_midnight = floatval(ltrim($parsedXML['SPEED']['TIMESTAMP_SAMPLES_SINCE_MIDNIGHT_HI'].$parsedXML['SPEED']['TIMESTAMP_SAMPLES_SINCE_MIDNIGHT_LO'], '0')); + $timestamp_sample_rate = (is_array($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($thisfile_audio['bitrate']) && isset($thisfile_riff_audio[$streamindex]['bitrate'])) { + $thisfile_audio['bitrate'] = $thisfile_riff_audio[$streamindex]['bitrate']; + $info['playtime_seconds'] = (float) ((($info['avdataend'] - $info['avdataoffset']) * 8) / $thisfile_audio['bitrate']); + } + + if (!empty($info['wavpack'])) { + $thisfile_audio_dataformat = 'wavpack'; + $thisfile_audio['bitrate_mode'] = 'vbr'; + $thisfile_audio['encoder'] = 'WavPack v'.$info['wavpack']['version']; + + // Reset to the way it was - RIFF parsing will have messed this up + $info['avdataend'] = $Original['avdataend']; + $thisfile_audio['bitrate'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / $info['playtime_seconds']; + + $this->fseek($info['avdataoffset'] - 44); + $RIFFdata = $this->fread(44); + $OrignalRIFFheaderSize = getid3_lib::LittleEndian2Int(substr($RIFFdata, 4, 4)) + 8; + $OrignalRIFFdataSize = getid3_lib::LittleEndian2Int(substr($RIFFdata, 40, 4)) + 44; + + if ($OrignalRIFFheaderSize > $OrignalRIFFdataSize) { + $info['avdataend'] -= ($OrignalRIFFheaderSize - $OrignalRIFFdataSize); + $this->fseek($info['avdataend']); + $RIFFdata .= $this->fread($OrignalRIFFheaderSize - $OrignalRIFFdataSize); + } + + // move the data chunk after all other chunks (if any) + // so that the RIFF parser doesn't see EOF when trying + // to skip over the data chunk + $RIFFdata = substr($RIFFdata, 0, 36).substr($RIFFdata, 44).substr($RIFFdata, 36, 8); + $getid3_riff = new getid3_riff($this->getid3); + $getid3_riff->ParseRIFFdata($RIFFdata); + unset($getid3_riff); + } + + if (isset($thisfile_riff_raw['fmt ']['wFormatTag'])) { + switch ($thisfile_riff_raw['fmt ']['wFormatTag']) { + case 0x0001: // PCM + if (!empty($info['ac3'])) { + // Dolby Digital WAV files masquerade as PCM-WAV, but they're not + $thisfile_audio['wformattag'] = 0x2000; + $thisfile_audio['codec'] = self::wFormatTagLookup($thisfile_audio['wformattag']); + $thisfile_audio['lossless'] = false; + $thisfile_audio['bitrate'] = $info['ac3']['bitrate']; + $thisfile_audio['sample_rate'] = $info['ac3']['sample_rate']; + } + if (!empty($info['dts'])) { + // Dolby DTS files masquerade as PCM-WAV, but they're not + $thisfile_audio['wformattag'] = 0x2001; + $thisfile_audio['codec'] = self::wFormatTagLookup($thisfile_audio['wformattag']); + $thisfile_audio['lossless'] = false; + $thisfile_audio['bitrate'] = $info['dts']['bitrate']; + $thisfile_audio['sample_rate'] = $info['dts']['sample_rate']; + } + break; + case 0x08AE: // ClearJump LiteWave + $thisfile_audio['bitrate_mode'] = 'vbr'; + $thisfile_audio_dataformat = 'litewave'; + + //typedef struct tagSLwFormat { + // WORD m_wCompFormat; // low byte defines compression method, high byte is compression flags + // DWORD m_dwScale; // scale factor for lossy compression + // DWORD m_dwBlockSize; // number of samples in encoded blocks + // WORD m_wQuality; // alias for the scale factor + // WORD m_wMarkDistance; // distance between marks in bytes + // WORD m_wReserved; + // + // //following paramters are ignored if CF_FILESRC is not set + // DWORD m_dwOrgSize; // original file size in bytes + // WORD m_bFactExists; // indicates if 'fact' chunk exists in the original file + // DWORD m_dwRiffChunkSize; // riff chunk size in the original file + // + // PCMWAVEFORMAT m_OrgWf; // original wave format + // }SLwFormat, *PSLwFormat; + + // shortcut + $thisfile_riff['litewave']['raw'] = array(); + $riff_litewave = &$thisfile_riff['litewave']; + $riff_litewave_raw = &$riff_litewave['raw']; + + $flags = array( + 'compression_method' => 1, + 'compression_flags' => 1, + 'm_dwScale' => 4, + 'm_dwBlockSize' => 4, + 'm_wQuality' => 2, + 'm_wMarkDistance' => 2, + 'm_wReserved' => 2, + 'm_dwOrgSize' => 4, + 'm_bFactExists' => 2, + 'm_dwRiffChunkSize' => 4, + ); + $litewave_offset = 18; + foreach ($flags as $flag => $length) { + $riff_litewave_raw[$flag] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], $litewave_offset, $length)); + $litewave_offset += $length; + } + + //$riff_litewave['quality_factor'] = intval(round((2000 - $riff_litewave_raw['m_dwScale']) / 20)); + $riff_litewave['quality_factor'] = $riff_litewave_raw['m_wQuality']; + + $riff_litewave['flags']['raw_source'] = ($riff_litewave_raw['compression_flags'] & 0x01) ? false : true; + $riff_litewave['flags']['vbr_blocksize'] = ($riff_litewave_raw['compression_flags'] & 0x02) ? false : true; + $riff_litewave['flags']['seekpoints'] = (bool) ($riff_litewave_raw['compression_flags'] & 0x04); + + $thisfile_audio['lossless'] = (($riff_litewave_raw['m_wQuality'] == 100) ? true : false); + $thisfile_audio['encoder_options'] = '-q'.$riff_litewave['quality_factor']; + break; + + default: + break; + } + } + if ($info['avdataend'] > $info['filesize']) { + switch (!empty($thisfile_audio_dataformat) ? $thisfile_audio_dataformat : '') { + case 'wavpack': // WavPack + case 'lpac': // LPAC + case 'ofr': // OptimFROG + case 'ofs': // OptimFROG DualStream + // lossless compressed audio formats that keep original RIFF headers - skip warning + break; + + case 'litewave': + if (($info['avdataend'] - $info['filesize']) == 1) { + // LiteWave appears to incorrectly *not* pad actual output file + // to nearest WORD boundary so may appear to be short by one + // byte, in which case - skip warning + } else { + // Short by more than one byte, throw warning + $this->warning('Probably truncated file - expecting '.$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']--; + $this->warning('Extra null byte at end of MP3 data assumed to be RIFF padding and therefore ignored'); + } + } + if (isset($thisfile_audio_dataformat) && ($thisfile_audio_dataformat == 'ac3')) { + unset($thisfile_audio['bits_per_sample']); + if (!empty($info['ac3']['bitrate']) && ($info['ac3']['bitrate'] != $thisfile_audio['bitrate'])) { + $thisfile_audio['bitrate'] = $info['ac3']['bitrate']; + } + } + break; + + // http://en.wikipedia.org/wiki/Audio_Video_Interleave + case 'AVI ': + $info['fileformat'] = 'avi'; + $info['mime_type'] = 'video/avi'; + + $thisfile_video['bitrate_mode'] = 'vbr'; // maybe not, but probably + $thisfile_video['dataformat'] = 'avi'; + + $thisfile_riff_video_current = array(); + + if (isset($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(); + /** @var array $thisfile_riff_video_current */ + $thisfile_riff_video_current = &$thisfile_riff_video[$streamindex]; + + if ($thisfile_riff_raw_avih['dwWidth'] > 0) { + $thisfile_riff_video_current['frame_width'] = $thisfile_riff_raw_avih['dwWidth']; + $thisfile_video['resolution_x'] = $thisfile_riff_video_current['frame_width']; + } + if ($thisfile_riff_raw_avih['dwHeight'] > 0) { + $thisfile_riff_video_current['frame_height'] = $thisfile_riff_raw_avih['dwHeight']; + $thisfile_video['resolution_y'] = $thisfile_riff_video_current['frame_height']; + } + if ($thisfile_riff_raw_avih['dwTotalFrames'] > 0) { + $thisfile_riff_video_current['total_frames'] = $thisfile_riff_raw_avih['dwTotalFrames']; + $thisfile_video['total_frames'] = $thisfile_riff_video_current['total_frames']; + } + + $thisfile_riff_video_current['frame_rate'] = round(1000000 / $thisfile_riff_raw_avih['dwMicroSecPerFrame'], 3); + $thisfile_video['frame_rate'] = $thisfile_riff_video_current['frame_rate']; + } + if (isset($thisfile_riff['AVI ']['hdrl']['strl']['strh'][0]['data'])) { + if (is_array($thisfile_riff['AVI ']['hdrl']['strl']['strh'])) { + for ($i = 0; $i < count($thisfile_riff['AVI ']['hdrl']['strl']['strh']); $i++) { + if (isset($thisfile_riff['AVI ']['hdrl']['strl']['strh'][$i]['data'])) { + $strhData = $thisfile_riff['AVI ']['hdrl']['strl']['strh'][$i]['data']; |