diff options
Diffstat (limited to 'getid3/module.audio-video.riff.php')
| -rw-r--r-- | getid3/module.audio-video.riff.php | 2110 |
1 files changed, 2110 insertions, 0 deletions
diff --git a/getid3/module.audio-video.riff.php b/getid3/module.audio-video.riff.php new file mode 100644 index 0000000..a5174ad --- /dev/null +++ b/getid3/module.audio-video.riff.php @@ -0,0 +1,2110 @@ +<?php +///////////////////////////////////////////////////////////////// +/// getID3() by James Heinrich <info@getid3.org> // +// available at http://getid3.sourceforge.net // +// or http://www.getid3.org // +///////////////////////////////////////////////////////////////// +// 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 (optional) // +// module.audio.dts.php (optional) // +// /// +///////////////////////////////////////////////////////////////// + +getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.mp3.php', __FILE__, true); + +class getid3_riff +{ + + function getid3_riff(&$fd, &$ThisFileInfo) { + + // initialize these values to an empty array, otherwise they default to NULL + // and you can't append array values to a NULL value + $ThisFileInfo['riff'] = array('raw'=>array()); + + // Shortcuts + $thisfile_riff = &$ThisFileInfo['riff']; + $thisfile_riff_raw = &$thisfile_riff['raw']; + $thisfile_audio = &$ThisFileInfo['audio']; + $thisfile_video = &$ThisFileInfo['video']; + $thisfile_avdataoffset = &$ThisFileInfo['avdataoffset']; + $thisfile_avdataend = &$ThisFileInfo['avdataend']; + $thisfile_audio_dataformat = &$thisfile_audio['dataformat']; + $thisfile_riff_audio = &$thisfile_riff['audio']; + $thisfile_riff_video = &$thisfile_riff['video']; + + + $Original['avdataoffset'] = $thisfile_avdataoffset; + $Original['avdataend'] = $thisfile_avdataend; + + fseek($fd, $thisfile_avdataoffset, SEEK_SET); + $RIFFheader = fread($fd, 12); + $RIFFsubtype = substr($RIFFheader, 8, 4); + switch (substr($RIFFheader, 0, 4)) { + case 'FORM': + $ThisFileInfo['fileformat'] = 'aiff'; + $RIFFheaderSize = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($RIFFheader, 4, 4)); + $thisfile_riff[$RIFFsubtype] = getid3_riff::ParseRIFF($fd, $thisfile_avdataoffset + 12, $thisfile_avdataoffset + $RIFFheaderSize, $ThisFileInfo); + $thisfile_riff['header_size'] = $RIFFheaderSize; + break; + + case 'RIFF': + case 'SDSS': // SDSS is identical to RIFF, just renamed. Used by SmartSound QuickTracks (www.smartsound.com) + case 'RMP3': // RMP3 is identical to RIFF, just renamed. Used by [unknown program] when creating RIFF-MP3s + if ($RIFFsubtype == 'RMP3') { + // RMP3 is identical to WAVE, just renamed. Used by [unknown program] when creating RIFF-MP3s + $RIFFsubtype = 'WAVE'; + } + + $ThisFileInfo['fileformat'] = 'riff'; + $RIFFheaderSize = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($RIFFheader, 4, 4)); + $thisfile_riff['header_size'] = $RIFFheaderSize; + $thisfile_riff[$RIFFsubtype] = getid3_riff::ParseRIFF($fd, $thisfile_avdataoffset + 12, $thisfile_avdataoffset + $RIFFheaderSize, $ThisFileInfo); + + fseek($fd, $thisfile_avdataoffset + $RIFFheaderSize); + $nextRIFFheader = fread($fd, 20); + if (substr($nextRIFFheader, 8, 4) == 'RIFF') { + $nextRIFFsize = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($nextRIFFheader, 12, 4)); + $nextRIFFtype = substr($nextRIFFheader, 16, 4).'<br>'; + $thisfile_riff[$nextRIFFtype]['offset'] = ftell($fd) - 4; + $thisfile_riff[$nextRIFFtype]['size'] = $nextRIFFsize; + $ThisFileInfo['avdataend'] = $thisfile_riff[$nextRIFFtype]['offset'] + $thisfile_riff[$nextRIFFtype]['size']; + $ThisFileInfo['error'][] = 'AVI extends beyond 2GB and PHP filesystem functions cannot read that far, playtime is probably wrong'; + $ThisFileInfo['warning'][] = '[avdataend] value may be incorrect, multiple AVIX chunks may be present'; + $thisfile_riff[$nextRIFFtype] = getid3_riff::ParseRIFF($fd, $thisfile_riff[$nextRIFFtype]['offset'] + 4, $thisfile_riff[$nextRIFFtype]['offset'] + $thisfile_riff[$nextRIFFtype]['size'], $ThisFileInfo); + } + if ($RIFFsubtype == 'WAVE') { + $thisfile_riff_WAVE = &$thisfile_riff['WAVE']; + } + break; + + default: + $ThisFileInfo['error'][] = 'Cannot parse RIFF (this is maybe not a RIFF / WAV / AVI file?) - expecting "FORM|RIFF|SDSS|RMP3" found "'.$RIFFsubtype.'" instead'; + unset($ThisFileInfo['fileformat']); + return false; + break; + } + + $streamindex = 0; + switch ($RIFFsubtype) { + case 'WAVE': + if (empty($thisfile_audio['bitrate_mode'])) { + $thisfile_audio['bitrate_mode'] = 'cbr'; + } + if (empty($thisfile_audio_dataformat)) { + $thisfile_audio_dataformat = 'wav'; + } + + if (isset($thisfile_riff_WAVE['data'][0]['offset'])) { + $thisfile_avdataoffset = $thisfile_riff_WAVE['data'][0]['offset'] + 8; + $thisfile_avdataend = $thisfile_avdataoffset + $thisfile_riff_WAVE['data'][0]['size']; + } + if (isset($thisfile_riff_WAVE['fmt '][0]['data'])) { + + $thisfile_riff_audio[$streamindex] = getid3_riff::RIFFparseWAVEFORMATex($thisfile_riff_WAVE['fmt '][0]['data']); + $thisfile_audio['wformattag'] = $thisfile_riff_audio[$streamindex]['raw']['wFormatTag']; + if (@$thisfile_riff_audio[$streamindex]['bitrate'] == 0) { + $ThisFileInfo['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') { + $ThisFileInfo['warning'][] = 'Audio codec = '.$thisfile_audio['codec']; + } + $thisfile_audio['bitrate'] = $thisfile_riff_audio[$streamindex]['bitrate']; + + $ThisFileInfo['playtime_seconds'] = (float) ((($thisfile_avdataend - $thisfile_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)); + $thisfile_riff_raw_rgad['nRadioRgAdjust'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($rgadData, 4, 2)); + $thisfile_riff_raw_rgad['nAudiophileRgAdjust'] = getid3_riff::EitherEndian2Int($ThisFileInfo, 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'])) { + $thisfile_riff_raw['fact']['NumberOfSamples'] = getid3_riff::EitherEndian2Int($ThisFileInfo, 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'])) { + // $ThisFileInfo['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)); + $thisfile_riff_WAVE_bext_0['reserved'] = getid3_lib::LittleEndian2Int(substr($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))); + + $thisfile_riff_WAVE_bext_0['origin_date_unix'] = gmmktime( + substr($thisfile_riff_WAVE_bext_0['origin_time'], 0, 2), + substr($thisfile_riff_WAVE_bext_0['origin_time'], 3, 2), + substr($thisfile_riff_WAVE_bext_0['origin_time'], 6, 2), + substr($thisfile_riff_WAVE_bext_0['origin_date'], 5, 2), + substr($thisfile_riff_WAVE_bext_0['origin_date'], 8, 2), + substr($thisfile_riff_WAVE_bext_0['origin_date'], 0, 4)); + + $thisfile_riff['comments']['author'][] = $thisfile_riff_WAVE_bext_0['author']; + $thisfile_riff['comments']['title'][] = $thisfile_riff_WAVE_bext_0['title']; + } + + if (isset($thisfile_riff_WAVE['MEXT'][0]['data'])) { + // shortcut + $thisfile_riff_WAVE_MEXT_0 = &$thisfile_riff_WAVE['MEXT'][0]; + + $thisfile_riff_WAVE_MEXT_0['raw']['sound_information'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_MEXT_0['data'], 0, 2)); + $thisfile_riff_WAVE_MEXT_0['flags']['homogenous'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['sound_information'] & 0x0001); + if ($thisfile_riff_WAVE_MEXT_0['flags']['homogenous']) { + $thisfile_riff_WAVE_MEXT_0['flags']['padding'] = ($thisfile_riff_WAVE_MEXT_0['raw']['sound_information'] & 0x0002) ? false : true; + $thisfile_riff_WAVE_MEXT_0['flags']['22_or_44'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['sound_information'] & 0x0004); + $thisfile_riff_WAVE_MEXT_0['flags']['free_format'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['sound_information'] & 0x0008); + + $thisfile_riff_WAVE_MEXT_0['nominal_frame_size'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_MEXT_0['data'], 2, 2)); + } + $thisfile_riff_WAVE_MEXT_0['anciliary_data_length'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_MEXT_0['data'], 6, 2)); + $thisfile_riff_WAVE_MEXT_0['raw']['anciliary_data_def'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_MEXT_0['data'], 8, 2)); + $thisfile_riff_WAVE_MEXT_0['flags']['anciliary_data_left'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['anciliary_data_def'] & 0x0001); + $thisfile_riff_WAVE_MEXT_0['flags']['anciliary_data_free'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['anciliary_data_def'] & 0x0002); + $thisfile_riff_WAVE_MEXT_0['flags']['anciliary_data_right'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['anciliary_data_def'] & 0x0004); + } + + if (isset($thisfile_riff_WAVE['cart'][0]['data'])) { + // shortcut + $thisfile_riff_WAVE_cart_0 = &$thisfile_riff_WAVE['cart'][0]; + + $thisfile_riff_WAVE_cart_0['version'] = substr($thisfile_riff_WAVE_cart_0['data'], 0, 4); + $thisfile_riff_WAVE_cart_0['title'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 4, 64)); + $thisfile_riff_WAVE_cart_0['artist'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 68, 64)); + $thisfile_riff_WAVE_cart_0['cut_id'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 132, 64)); + $thisfile_riff_WAVE_cart_0['client_id'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 196, 64)); + $thisfile_riff_WAVE_cart_0['category'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 260, 64)); + $thisfile_riff_WAVE_cart_0['classification'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 324, 64)); + $thisfile_riff_WAVE_cart_0['out_cue'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 388, 64)); + $thisfile_riff_WAVE_cart_0['start_date'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 452, 10)); + $thisfile_riff_WAVE_cart_0['start_time'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 462, 8)); + $thisfile_riff_WAVE_cart_0['end_date'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 470, 10)); + $thisfile_riff_WAVE_cart_0['end_time'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 480, 8)); + $thisfile_riff_WAVE_cart_0['producer_app_id'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 488, 64)); + $thisfile_riff_WAVE_cart_0['producer_app_version'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 552, 64)); + $thisfile_riff_WAVE_cart_0['user_defined_text'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 616, 64)); + $thisfile_riff_WAVE_cart_0['zero_db_reference'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_cart_0['data'], 680, 4), true); + for ($i = 0; $i < 8; $i++) { + $thisfile_riff_WAVE_cart_0['post_time'][$i]['usage_fourcc'] = substr($thisfile_riff_WAVE_cart_0['data'], 684 + ($i * 8), 4); + $thisfile_riff_WAVE_cart_0['post_time'][$i]['timer_value'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_cart_0['data'], 684 + ($i * 8) + 4, 4)); + } + $thisfile_riff_WAVE_cart_0['url'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 748, 1024)); + $thisfile_riff_WAVE_cart_0['tag_text'] = explode("\r\n", trim(substr($thisfile_riff_WAVE_cart_0['data'], 1772))); + + $thisfile_riff['comments']['artist'][] = $thisfile_riff_WAVE_cart_0['artist']; + $thisfile_riff['comments']['title'][] = $thisfile_riff_WAVE_cart_0['title']; + } + + if (!isset($thisfile_audio['bitrate']) && isset($thisfile_riff_audio[$streamindex]['bitrate'])) { + $thisfile_audio['bitrate'] = $thisfile_riff_audio[$streamindex]['bitrate']; + $ThisFileInfo['playtime_seconds'] = (float) ((($thisfile_avdataend - $thisfile_avdataoffset) * 8) / $thisfile_audio['bitrate']); + } + + if (!empty($ThisFileInfo['wavpack'])) { + $thisfile_audio_dataformat = 'wavpack'; + $thisfile_audio['bitrate_mode'] = 'vbr'; + $thisfile_audio['encoder'] = 'WavPack v'.$ThisFileInfo['wavpack']['version']; + + // Reset to the way it was - RIFF parsing will have messed this up + $thisfile_avdataend = $Original['avdataend']; + $thisfile_audio['bitrate'] = (($thisfile_avdataend - $thisfile_avdataoffset) * 8) / $ThisFileInfo['playtime_seconds']; + + fseek($fd, $thisfile_avdataoffset - 44, SEEK_SET); + $RIFFdata = fread($fd, 44); + $OrignalRIFFheaderSize = getid3_lib::LittleEndian2Int(substr($RIFFdata, 4, 4)) + 8; + $OrignalRIFFdataSize = getid3_lib::LittleEndian2Int(substr($RIFFdata, 40, 4)) + 44; + + if ($OrignalRIFFheaderSize > $OrignalRIFFdataSize) { + $thisfile_avdataend -= ($OrignalRIFFheaderSize - $OrignalRIFFdataSize); + fseek($fd, $thisfile_avdataend, SEEK_SET); + $RIFFdata .= fread($fd, $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::ParseRIFFdata($RIFFdata, $ThisFileInfo); + } + + if (isset($thisfile_riff_raw['fmt ']['wFormatTag'])) { + switch ($thisfile_riff_raw['fmt ']['wFormatTag']) { + 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(); + $thisfile_riff_litewave = &$thisfile_riff['litewave']; + $thisfile_riff_litewave_raw = &$thisfile_riff_litewave['raw']; + + $thisfile_riff_litewave_raw['compression_method'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], 18, 1)); + $thisfile_riff_litewave_raw['compression_flags'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], 19, 1)); + $thisfile_riff_litewave_raw['m_dwScale'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], 20, 4)); + $thisfile_riff_litewave_raw['m_dwBlockSize'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], 24, 4)); + $thisfile_riff_litewave_raw['m_wQuality'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], 28, 2)); + $thisfile_riff_litewave_raw['m_wMarkDistance'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], 30, 2)); + $thisfile_riff_litewave_raw['m_wReserved'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], 32, 2)); + $thisfile_riff_litewave_raw['m_dwOrgSize'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], 34, 4)); + $thisfile_riff_litewave_raw['m_bFactExists'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], 38, 2)); + $thisfile_riff_litewave_raw['m_dwRiffChunkSize'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], 40, 4)); + + //$thisfile_riff_litewave['quality_factor'] = intval(round((2000 - $thisfile_riff_litewave_raw['m_dwScale']) / 20)); + $thisfile_riff_litewave['quality_factor'] = $thisfile_riff_litewave_raw['m_wQuality']; + + $thisfile_riff_litewave['flags']['raw_source'] = ($thisfile_riff_litewave_raw['compression_flags'] & 0x01) ? false : true; + $thisfile_riff_litewave['flags']['vbr_blocksize'] = ($thisfile_riff_litewave_raw['compression_flags'] & 0x02) ? false : true; + $thisfile_riff_litewave['flags']['seekpoints'] = (bool) ($thisfile_riff_litewave_raw['compression_flags'] & 0x04); + + $thisfile_audio['lossless'] = (($thisfile_riff_litewave_raw['m_wQuality'] == 100) ? true : false); + $thisfile_audio['encoder_options'] = '-q'.$thisfile_riff_litewave['quality_factor']; + break; + + default: + break; + } + } + if ($thisfile_avdataend > $ThisFileInfo['filesize']) { + switch (@$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 (($thisfile_avdataend - $ThisFileInfo['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 + $ThisFileInfo['warning'][] = 'Probably truncated file - expecting '.$thisfile_riff[$RIFFsubtype]['data'][0]['size'].' bytes of data, only found '.($ThisFileInfo['filesize'] - $thisfile_avdataoffset).' (short by '.($thisfile_riff[$RIFFsubtype]['data'][0]['size'] - ($ThisFileInfo['filesize'] - $thisfile_avdataoffset)).' bytes)'; + $thisfile_avdataend = $ThisFileInfo['filesize']; + } + break; + + default: + if ((($thisfile_avdataend - $ThisFileInfo['filesize']) == 1) && (($thisfile_riff[$RIFFsubtype]['data'][0]['size'] % 2) == 0) && ((($ThisFileInfo['filesize'] - $thisfile_avdataoffset) % 2) == 1)) { + // output file appears to be incorrectly *not* padded to nearest WORD boundary + // Output less severe warning + $ThisFileInfo['warning'][] = 'File should probably be padded to nearest WORD boundary, but it is not (expecting '.$thisfile_riff[$RIFFsubtype]['data'][0]['size'].' bytes of data, only found '.($ThisFileInfo['filesize'] - $thisfile_avdataoffset).' therefore short by '.($thisfile_riff[$RIFFsubtype]['data'][0]['size'] - ($ThisFileInfo['filesize'] - $thisfile_avdataoffset)).' bytes)'; + $thisfile_avdataend = $ThisFileInfo['filesize']; + break; + } + // Short by more than one byte, throw warning + $ThisFileInfo['warning'][] = 'Probably truncated file - expecting '.$thisfile_riff[$RIFFsubtype]['data'][0]['size'].' bytes of data, only found '.($ThisFileInfo['filesize'] - $thisfile_avdataoffset).' (short by '.($thisfile_riff[$RIFFsubtype]['data'][0]['size'] - ($ThisFileInfo['filesize'] - $thisfile_avdataoffset)).' bytes)'; + $thisfile_avdataend = $ThisFileInfo['filesize']; + break; + } + } + if (!empty($ThisFileInfo['mpeg']['audio']['LAME']['audio_bytes'])) { + if ((($thisfile_avdataend - $thisfile_avdataoffset) - $ThisFileInfo['mpeg']['audio']['LAME']['audio_bytes']) == 1) { + $thisfile_avdataend--; + $ThisFileInfo['warning'][] = 'Extra null byte at end of MP3 data assumed to be RIFF padding and therefore ignored'; + } + } + if (@$thisfile_audio_dataformat == 'ac3') { + unset($thisfile_audio['bits_per_sample']); + if (!empty($ThisFileInfo['ac3']['bitrate']) && ($ThisFileInfo['ac3']['bitrate'] != $thisfile_audio['bitrate'])) { + $thisfile_audio['bitrate'] = $ThisFileInfo['ac3']['bitrate']; + } + } + break; + + case 'AVI ': + $thisfile_video['bitrate_mode'] = 'vbr'; // maybe not, but probably + $thisfile_video['dataformat'] = 'avi'; + $ThisFileInfo['mime_type'] = 'video/avi'; + + if (isset($thisfile_riff[$RIFFsubtype]['movi']['offset'])) { + $thisfile_avdataoffset = $thisfile_riff[$RIFFsubtype]['movi']['offset'] + 8; + $thisfile_avdataend = $thisfile_avdataoffset + $thisfile_riff[$RIFFsubtype]['movi']['size']; + if ($thisfile_avdataend > $ThisFileInfo['filesize']) { + $ThisFileInfo['warning'][] = 'Probably truncated file - expecting '.$thisfile_riff[$RIFFsubtype]['movi']['size'].' bytes of data, only found '.($ThisFileInfo['filesize'] - $thisfile_avdataoffset).' (short by '.($thisfile_riff[$RIFFsubtype]['movi']['size'] - ($ThisFileInfo['filesize'] - $thisfile_avdataoffset)).' bytes)'; + $thisfile_avdataend = $ThisFileInfo['filesize']; + } + } + + if (isset($thisfile_riff['AVI ']['hdrl']['strl']['indx'])) { + //$bIndexType = array( + // 0x00 => 'AVI_INDEX_OF_INDEXES', + // 0x01 => 'AVI_INDEX_OF_CHUNKS', + // 0x80 => 'AVI_INDEX_IS_DATA', + //); + //$bIndexSubtype = array( + // 0x01 => array( + // 0x01 => 'AVI_INDEX_2FIELD', + // ), + //); + foreach ($thisfile_riff['AVI ']['hdrl']['strl']['indx'] as $streamnumber => $steamdataarray) { + $thisfile_riff_avi_hdrl_strl_indx_stream_data = &$thisfile_riff['AVI ']['hdrl']['strl']['indx'][$streamnumber]['data']; + + $thisfile_riff_raw['indx'][$streamnumber]['wLongsPerEntry'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($thisfile_riff_avi_hdrl_strl_indx_stream_data, 0, 2)); + $thisfile_riff_raw['indx'][$streamnumber]['bIndexSubType'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($thisfile_riff_avi_hdrl_strl_indx_stream_data, 2, 1)); + $thisfile_riff_raw['indx'][$streamnumber]['bIndexType'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($thisfile_riff_avi_hdrl_strl_indx_stream_data, 3, 1)); + $thisfile_riff_raw['indx'][$streamnumber]['nEntriesInUse'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($thisfile_riff_avi_hdrl_strl_indx_stream_data, 4, 4)); + $thisfile_riff_raw['indx'][$streamnumber]['dwChunkId'] = substr($thisfile_riff_avi_hdrl_strl_indx_stream_data, 8, 4); + $thisfile_riff_raw['indx'][$streamnumber]['dwReserved'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($thisfile_riff_avi_hdrl_strl_indx_stream_data, 12, 4)); + + //$thisfile_riff_raw['indx'][$streamnumber]['bIndexType_name'] = @$bIndexType[$thisfile_riff_raw['indx'][$streamnumber]['bIndexType']]; + //$thisfile_riff_raw['indx'][$streamnumber]['bIndexSubType_name'] = @$bIndexSubtype[$thisfile_riff_raw['indx'][$streamnumber]['bIndexType']][$thisfile_riff_raw['indx'][$streamnumber]['bIndexSubType']]; + + unset($thisfile_riff_avi_hdrl_strl_indx_stream_data); + } + } + if (isset($thisfile_riff['AVI ']['hdrl']['avih'][$streamindex]['data'])) { + $avihData = $thisfile_riff['AVI ']['hdrl']['avih'][$streamindex]['data']; + + // shortcut + $thisfile_riff_raw['avih'] = array(); + $thisfile_riff_raw_avih = &$thisfile_riff_raw['avih']; + + $thisfile_riff_raw_avih['dwMicroSecPerFrame'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($avihData, 0, 4)); // frame display rate (or 0L) + if ($thisfile_riff_raw_avih['dwMicroSecPerFrame'] == 0) { + $ThisFileInfo['error'][] = 'Corrupt RIFF file: avih.dwMicroSecPerFrame == zero'; + return false; + } + $thisfile_riff_raw_avih['dwMaxBytesPerSec'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($avihData, 4, 4)); // max. transfer rate + $thisfile_riff_raw_avih['dwPaddingGranularity'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($avihData, 8, 4)); // pad to multiples of this size; normally 2K. + $thisfile_riff_raw_avih['dwFlags'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($avihData, 12, 4)); // the ever-present flags + $thisfile_riff_raw_avih['dwTotalFrames'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($avihData, 16, 4)); // # frames in file + $thisfile_riff_raw_avih['dwInitialFrames'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($avihData, 20, 4)); + $thisfile_riff_raw_avih['dwStreams'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($avihData, 24, 4)); + $thisfile_riff_raw_avih['dwSuggestedBufferSize'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($avihData, 28, 4)); + $thisfile_riff_raw_avih['dwWidth'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($avihData, 32, 4)); + $thisfile_riff_raw_avih['dwHeight'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($avihData, 36, 4)); + $thisfile_riff_raw_avih['dwScale'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($avihData, 40, 4)); + $thisfile_riff_raw_avih['dwRate'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($avihData, 44, 4)); + $thisfile_riff_raw_avih['dwStart'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($avihData, 48, 4)); + $thisfile_riff_raw_avih['dwLength'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($avihData, 52, 4)); + + $thisfile_riff_raw_avih['flags']['hasindex'] = (bool) ($thisfile_riff_raw_avih['dwFlags'] & 0x00000010); + $thisfile_riff_raw_avih['flags']['mustuseindex'] = (bool) ($thisfile_riff_raw_avih['dwFlags'] & 0x00000020); + $thisfile_riff_raw_avih['flags']['interleaved'] = (bool) ($thisfile_riff_raw_avih['dwFlags'] & 0x00000100); + $thisfile_riff_raw_avih['flags']['trustcktype'] = (bool) ($thisfile_riff_raw_avih['dwFlags'] & 0x00000800); + $thisfile_riff_raw_avih['flags']['capturedfile'] = (bool) ($thisfile_riff_raw_avih['dwFlags'] & 0x00010000); + $thisfile_riff_raw_avih['flags']['copyrighted'] = (bool) ($thisfile_riff_raw_avih['dwFlags'] & 0x00020010); + + // shortcut + $thisfile_riff_video[$streamindex] = array(); + $thisfile_riff_video_current = &$thisfile_riff_video[$streamindex]; + + if ($thisfile_riff_raw_avih['dwWidth'] > 0) { + $thisfile_riff_video_current['frame_width'] = $thisfile_riff_raw_avih['dwWidth']; + $thisfile_video['resolution_x'] = $thisfile_riff_video_current['frame_width']; + } + if ($thisfile_riff_raw_avih['dwHeight'] > 0) { + $thisfile_riff_video_current['frame_height'] = $thisfile_riff_raw_avih['dwHeight']; + $thisfile_video['resolution_y'] = $thisfile_riff_video_current['frame_height']; + } + if ($thisfile_riff_raw_avih['dwTotalFrames'] > 0) { + $thisfile_riff_video_current['total_frames'] = $thisfile_riff_raw_avih['dwTotalFrames']; + $thisfile_video['total_frames'] = $thisfile_riff_video_current['total_frames']; + } + + $thisfile_riff_video_current['frame_rate'] = round(1000000 / $thisfile_riff_raw_avih['dwMicroSecPerFrame'], 3); + $thisfile_video['frame_rate'] = $thisfile_riff_video_current['frame_rate']; + } + if (isset($thisfile_riff['AVI ']['hdrl']['strl']['strh'][0]['data'])) { + if (is_array($thisfile_riff['AVI ']['hdrl']['strl']['strh'])) { + for ($i = 0; $i < count($thisfile_riff['AVI ']['hdrl']['strl']['strh']); $i++) { + if (isset($thisfile_riff['AVI ']['hdrl']['strl']['strh'][$i]['data'])) { + $strhData = $thisfile_riff['AVI ']['hdrl']['strl']['strh'][$i]['data']; + $strhfccType = substr($strhData, 0, 4); + + if (isset($thisfile_riff['AVI ']['hdrl']['strl']['strf'][$i]['data'])) { + $strfData = $thisfile_riff['AVI ']['hdrl']['strl']['strf'][$i]['data']; + + // shortcut + $thisfile_riff_raw_strf_strhfccType_streamindex = &$thisfile_riff_raw['strf'][$strhfccType][$streamindex]; + + switch ($strhfccType) { + case 'auds': + $thisfile_audio['bitrate_mode'] = 'cbr'; + $thisfile_audio_dataformat = 'wav'; + if (isset($thisfile_riff_audio) && is_array($thisfile_riff_audio)) { + $streamindex = count($thisfile_riff_audio); + } + + $thisfile_riff_audio[$streamindex] = getid3_riff::RIFFparseWAVEFORMATex($strfData); + $thisfile_audio['wformattag'] = $thisfile_riff_audio[$streamindex]['raw']['wFormatTag']; + + // shortcut + $thisfile_audio['streams'][$streamindex] = $thisfile_riff_audio[$streamindex]; + $thisfile_audio_streams_currentstream = &$thisfile_audio['streams'][$streamindex]; + + if ($thisfile_audio_streams_currentstream['bits_per_sample'] == 0) { + unset($thisfile_audio_streams_currentstream['bits_per_sample']); + } + $thisfile_audio_streams_currentstream['wformattag'] = $thisfile_audio_streams_currentstream['raw']['wFormatTag']; + unset($thisfile_audio_streams_currentstream['raw']); + + // shortcut + $thisfile_riff_raw['strf'][$strhfccType][$streamindex] = $thisfile_riff_audio[$streamindex]['raw']; + + unset($thisfile_riff_audio[$streamindex]['raw']); + $thisfile_audio = getid3_lib::array_merge_noclobber($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); + $thisfile_riff_raw_strh_current['dwFlags'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strhData, 8, 4)); // Contains AVITF_* flags + $thisfile_riff_raw_strh_current['wPriority'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strhData, 12, 2)); + $thisfile_riff_raw_strh_current['wLanguage'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strhData, 14, 2)); + $thisfile_riff_raw_strh_current['dwInitialFrames'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strhData, 16, 4)); + $thisfile_riff_raw_strh_current['dwScale'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strhData, 20, 4)); + $thisfile_riff_raw_strh_current['dwRate'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strhData, 24, 4)); + $thisfile_riff_raw_strh_current['dwStart'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strhData, 28, 4)); + $thisfile_riff_raw_strh_current['dwLength'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strhData, 32, 4)); + $thisfile_riff_raw_strh_current['dwSuggestedBufferSize'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strhData, 36, 4)); + $thisfile_riff_raw_strh_current['dwQuality'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strhData, 40, 4)); + $thisfile_riff_raw_strh_current['dwSampleSize'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strhData, 44, 4)); + $thisfile_riff_raw_strh_current['rcFrame'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strhData, 48, 4)); + + $thisfile_riff_video_current['codec'] = getid3_riff::RIFFfourccLookup($thisfile_riff_raw_strh_current['fccHandler']); + $thisfile_video['fourcc'] = $thisfile_riff_raw_strh_current['fccHandler']; + if (!$thisfile_riff_video_current['codec'] && isset($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc']) && getid3_riff::RIFFfourccLookup($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc'])) { + $thisfile_riff_video_current['codec'] = getid3_riff::RIFFfourccLookup($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc']); + $thisfile_video['fourcc'] = $thisfile_riff_raw_strf_strhfccType_streamindex['fourcc']; + } + $thisfile_video['codec'] = $thisfile_riff_video_current['codec']; + $thisfile_video['pixel_aspect_ratio'] = (float) 1; + switch ($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': + $thisfile_riff_raw_strf_strhfccType_streamindex = getid3_riff::ParseBITMAPINFOHEADER(substr($strfData, 0, 40), ($ThisFileInfo['fileformat'] == 'riff')); + //$thisfile_riff_raw_strf_strhfccType_streamindex['biSize'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strfData, 0, 4)); // number of bytes required by the BITMAPINFOHEADER structure + //$thisfile_riff_raw_strf_strhfccType_streamindex['biWidth'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strfData, 4, 4)); // width of the bitmap in pixels + //$thisfile_riff_raw_strf_strhfccType_streamindex['biHeight'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strfData, 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 + //$thisfile_riff_raw_strf_strhfccType_streamindex['biPlanes'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strfData, 12, 2)); // number of color planes on the target device. In most cases this value must be set to 1 + //$thisfile_riff_raw_strf_strhfccType_streamindex['biBitCount'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strfData, 14, 2)); // Specifies the number of bits per pixels + //$thisfile_riff_raw_strf_strhfccType_streamindex['fourcc'] = substr($strfData, 16, 4); // + //$thisfile_riff_raw_strf_strhfccType_streamindex['biSizeImage'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strfData, 20, 4)); // size of the bitmap data section of the image (the actual pixel data, excluding BITMAPINFOHEADER and RGBQUAD structures) + //$thisfile_riff_raw_strf_strhfccType_streamindex['biXPelsPerMeter'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strfData, 24, 4)); // horizontal resolution, in pixels per metre, of the target device + //$thisfile_riff_raw_strf_strhfccType_streamindex['biYPelsPerMeter'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strfData, 28, 4)); // vertical resolution, in pixels per metre, of the target device + //$thisfile_riff_raw_strf_strhfccType_streamindex['biClrUsed'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strfData, 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 + //$thisfile_riff_raw_strf_strhfccType_streamindex['biClrImportant'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strfData, 36, 4)); // number of color indices that are considered important for displaying the bitmap. If this value is zero, all colors are important + + $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: + $ThisFileInfo['warning'][] = 'Unhandled fccType for stream ('.$i.'): "'.$strhfccType.'"'; + break; + + } + } + } + + if (isset($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc']) && getid3_riff::RIFFfourccLookup($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc'])) { + + $thisfile_riff_video_current['codec'] = getid3_riff::RIFFfourccLookup($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc']); + $thisfile_video['codec'] = $thisfile_riff_video_current['codec']; + $thisfile_video['fourcc'] = $thisfile_riff_raw_strf_strhfccType_streamindex['fourcc']; + + switch ($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 'CDDA': + $thisfile_audio['bitrate_mode'] = 'cbr'; + $thisfile_audio_dataformat = 'cda'; + $thisfile_audio['lossless'] = true; + unset($ThisFileInfo['mime_type']); + + $thisfile_avdataoffset = 44; + + if (isset($thisfile_riff['CDDA']['fmt '][0]['data'])) { + // shortcut + $thisfile_riff_CDDA_fmt_0 = &$thisfile_riff['CDDA']['fmt '][0]; + + $thisfile_riff_CDDA_fmt_0['unknown1'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($thisfile_riff_CDDA_fmt_0['data'], 0, 2)); + $thisfile_riff_CDDA_fmt_0['track_num'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($thisfile_riff_CDDA_fmt_0['data'], 2, 2)); + $thisfile_riff_CDDA_fmt_0['disc_id'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($thisfile_riff_CDDA_fmt_0['data'], 4, 4)); + $thisfile_riff_CDDA_fmt_0['start_offset_frame'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($thisfile_riff_CDDA_fmt_0['data'], 8, 4)); + $thisfile_riff_CDDA_fmt_0['playtime_frames'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($thisfile_riff_CDDA_fmt_0['data'], 12, 4)); + $thisfile_riff_CDDA_fmt_0['unknown6'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($thisfile_riff_CDDA_fmt_0['data'], 16, 4)); + $thisfile_riff_CDDA_fmt_0['unknown7'] = getid3_riff::EitherEndian2Int($ThisFileInfo, 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; + $ThisFileInfo['comments']['track'] = $thisfile_riff_CDDA_fmt_0['track_num']; + $ThisFileInfo['playtime_seconds'] = $thisfile_riff_CDDA_fmt_0['playtime_seconds']; + + // hardcoded data for CD-audio + $thisfile_audio['sample_rate'] = 44100; + $thisfile_audio['channels'] = 2; + $thisfile_audio['bits_per_sample'] = 16; + $thisfile_audio['bitrate'] = $thisfile_audio['sample_rate'] * $thisfile_audio['channels'] * $thisfile_audio['bits_per_sample']; + $thisfile_audio['bitrate_mode'] = 'cbr'; + } + break; + + + case 'AIFF': + case 'AIFC': + $thisfile_audio['bitrate_mode'] = 'cbr'; + $thisfile_audio_dataformat = 'aiff'; + $thisfile_audio['lossless'] = true; + $ThisFileInfo['mime_type'] = 'audio/x-aiff'; + + if (isset($thisfile_riff[$RIFFsubtype]['SSND'][0]['offset'])) { + $thisfile_avdataoffset = $thisfile_riff[$RIFFsubtype]['SSND'][0]['offset'] + 8; + $thisfile_avdataend = $thisfile_avdataoffset + $thisfile_riff[$RIFFsubtype]['SSND'][0]['size']; + if ($thisfile_avdataend > $ThisFileInfo['filesize']) { + if (($thisfile_avdataend == ($ThisFileInfo['filesize'] + 1)) && (($ThisFileInfo['filesize'] % 2) == 1)) { + // structures rounded to 2-byte boundary, but dumb encoders + // forget to pad end of file to make this actually work + } else { + $ThisFileInfo['warning'][] = 'Probable truncated AIFF file: expecting '.$thisfile_riff[$RIFFsubtype]['SSND'][0]['size'].' bytes of audio data, only '.($ThisFileInfo['filesize'] - $thisfile_avdataoffset).' bytes found'; + } + $thisfile_avdataend = $ThisFileInfo['filesize']; + } + } + + if (isset($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) { + $ThisFileInfo['error'][] = 'Corrupted AIFF file: sample_rate == zero'; + return false; + } + $ThisFileInfo['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++) { + $ThisFileInfo['comments_raw'][$i]['timestamp'] = getid3_lib::BigEndian2Int(substr($thisfile_riff[$RIFFsubtype]['COMT'][0]['data'], $offset, 4), false); + $offset += 4; + $ThisFileInfo['comments_raw'][$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; + $ThisFileInfo['comments_raw'][$i]['comment'] = substr($thisfile_riff[$RIFFsubtype]['COMT'][0]['data'], $offset, $CommentLength); + $offset += $CommentLength; + + $ThisFileInfo['comments_raw'][$i]['timestamp_unix'] = getid3_lib::DateMac2Unix($ThisFileInfo['comments_raw'][$i]['timestamp']); + $thisfile_riff['comments']['comment'][] = $ThisFileInfo['comments_raw'][$i]['comment']; + } + } + + $CommentsChunkNames = array('NAME'=>'title', 'author'=>'artist', '(c) '=>'copyright', 'ANNO'=>'comment'); + foreach ($CommentsChunkNames as $key => $value) { + if (isset($thisfile_riff[$RIFFsubtype][$key][0]['data'])) { + $thisfile_riff['comments'][$value][] = $thisfile_riff[$RIFFsubtype][$key][0]['data']; + } + } + break; + + case '8SVX': + $thisfile_audio['bitrate_mode'] = 'cbr'; + $thisfile_audio_dataformat = '8svx'; + $thisfile_audio['bits_per_sample'] = 8; + $thisfile_audio['channels'] = 1; // overridden below, if need be + $ThisFileInfo['mime_type'] = 'audio/x-aiff'; + + if (isset($thisfile_riff[$RIFFsubtype]['BODY'][0]['offset'])) { + $thisfile_avdataoffset = $thisfile_riff[$RIFFsubtype]['BODY'][0]['offset'] + 8; + $thisfile_avdataend = $thisfile_avdataoffset + $thisfile_riff[$RIFFsubtype]['BODY'][0]['size']; + if ($thisfile_avdataend > $ThisFileInfo['filesize']) { + $ThisFileInfo['warning'][] = 'Probable truncated AIFF file: expecting '.$thisfile_riff[$RIFFsubtype]['BODY'][0]['size'].' bytes of audio data, only '.($ThisFileInfo['filesize'] - $thisfile_avdataoffset).' bytes found'; + } + } + + if (isset($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: + $ThisFileInfo['warning'][] = 'Unexpected sCompression value in 8SVX.VHDR chunk - expecting 0 or 1, found "'.sCompression.'"'; + break; + } + } + + if (isset($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: + $ThisFileInfo['warning'][] = 'Unexpected value in 8SVX.CHAN chunk - expecting 2 or 4 or 6, found "'.$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'])) { + $ThisFileInfo['playtime_seconds'] = ($thisfile_avdataend - $thisfile_avdataoffset) / ($thisfile_audio['bitrate'] / 8); + } + break; + + + case 'CDXA': + $ThisFileInfo['mime_type'] = 'video/mpeg'; + if (!empty($thisfile_riff['CDXA']['data'][0]['size'])) { + $GETID3_ERRORARRAY = &$ThisFileInfo['warning']; + if (getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio-video.mpeg.php', __FILE__, false)) { + $dummy = $ThisFileInfo; + $dummy['error'] = array(); + $mpeg_scanner = new getid3_mpeg($fd, $dummy); + if (empty($dummy['error'])) { + $ThisFileInfo['audio'] = $dummy['audio']; + $ThisFileInfo['video'] = $dummy['video']; + $ThisFileInfo['mpeg'] = $dummy['mpeg']; + $ThisFileInfo['warning'] = $dummy['warning']; + } + unset($mpeg_scanner); + } + } + break; + + + default: + $ThisFileInfo['error'][] = 'Unknown RIFF type: expecting one of (WAVE|RMP3|AVI |CDDA|AIFF|AIFC|8SVX|CDXA), found "'.$RIFFsubtype.'" instead'; + unset($ThisFileInfo['fileformat']); + break; + } + + if (@$thisfile_riff_raw['fmt ']['wFormatTag'] == 1) { + // http://www.mega-nerd.com/erikd/Blog/Windiots/dts.html + fseek($fd, $ThisFileInfo['avdataoffset'], SEEK_SET); + $FirstFourBytes = fread($fd, 4); + if (preg_match('/^\xFF\x1F\x00\xE8/s', $FirstFourBytes)) { + // DTSWAV + $thisfile_audio_dataformat = 'dts'; + } elseif (preg_match('/^\x7F\xFF\x80\x01/s', $FirstFourBytes)) { + // DTS, but this probably shouldn't happen + $thisfile_audio_dataformat = 'dts'; + } + } + + + if (isset($thisfile_riff_WAVE['DISP']) && is_array($thisfile_riff_WAVE['DISP'])) { + $thisfile_riff['comments']['title'][] = trim(substr($thisfile_riff_WAVE['DISP'][count($thisfile_riff_WAVE['DISP']) - 1]['data'], 4)); + } + if (isset($thisfile_riff_WAVE['INFO']) && is_array($thisfile_riff_WAVE['INFO'])) { + $this->RIFFcommentsParse($thisfile_riff_WAVE['INFO'], $thisfile_riff['comments']); + } + + if (empty($thisfile_audio['encoder']) && !empty($ThisFileInfo['mpeg']['audio']['LAME']['short_version'])) { + $thisfile_audio['encoder'] = $ThisFileInfo['mpeg']['audio']['LAME']['short_version']; + } + + if (!isset($ThisFileInfo['playtime_seconds'])) { + $ThisFileInfo['playtime_seconds'] = 0; + } + if (isset($thisfile_riff_raw['avih']['dwTotalFrames']) && isset($thisfile_riff_raw['avih']['dwMicroSecPerFrame'])) { + $ThisFileInfo['playtime_seconds'] = $thisfile_riff_raw['avih']['dwTotalFrames'] * ($thisfile_riff_raw['avih']['dwMicroSecPerFrame'] / 1000000); + } + + if ($ThisFileInfo['playtime_seconds'] > 0) { + if (isset($thisfile_riff_audio) && isset($thisfile_riff_video)) { + + if (!isset($ThisFileInfo['bitrate'])) { + $ThisFileInfo['bitrate'] = ((($thisfile_avdataend - $thisfile_avdataoffset) / $ThisFileInfo['playtime_seconds']) * 8); + } + + } elseif (isset($thisfile_riff_audio) && !isset($thisfile_riff_video)) { + + if (!isset($thisfile_audio['bitrate'])) { + $thisfile_audio['bitrate'] = ((($thisfile_avdataend - $thisfile_avdataoffset) / $ThisFileInfo['playtime_seconds']) * 8); + } + + } elseif (!isset($thisfile_riff_audio) && isset($thisfile_riff_video)) { + + if (!isset($thisfile_video['bitrate'])) { + $thisfile_video['bitrate'] = ((($thisfile_avdataend - $thisfile_avdataoffset) / $ThisFileInfo['playtime_seconds']) * 8); + } + + } + } + + + if (isset($thisfile_riff_video) && isset($thisfile_audio['bitrate']) && ($thisfile_audio['bitrate'] > 0) && ($ThisFileInfo['playtime_seconds'] > 0)) { + + $ThisFileInfo['bitrate'] = ((($thisfile_avdataend - $thisfile_avdataoffset) / $ThisFileInfo['playtime_seconds']) * 8); + $thisfile_audio['bitrate'] = 0; + $thisfile_video['bitrate'] = $ThisFileInfo['bitrate']; + foreach ($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($thisfile_audio['bitrate']); + } + } + + if (isset($ThisFileInfo['mpeg']['audio'])) { + $thisfile_audio_dataformat = 'mp'.$ThisFileInfo['mpeg']['audio']['layer']; + $thisfile_audio['sample_rate'] = $ThisFileInfo['mpeg']['audio']['sample_rate']; + $thisfile_audio['channels'] = $ThisFileInfo['mpeg']['audio']['channels']; + $thisfile_audio['bitrate'] = $ThisFileInfo['mpeg']['audio']['bitrate']; + $thisfile_audio['bitrate_mode'] = strtolower($ThisFileInfo['mpeg']['audio']['bitrate_mode']); + if (!empty($ThisFileInfo['mpeg']['audio']['codec'])) { + $thisfile_audio['codec'] = $ThisFileInfo['mpeg']['audio']['codec'].' '.$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']; + } + } + } + $thisfile_audio['encoder_options'] = getid3_mp3::GuessEncoderOptions($ThisFileInfo); + } + + + 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($thisfile_riff['video']); + } + + return true; + } + + + function RIFFcommentsParse(&$RIFFinfoArray, &$CommentsTargetArray) { + $RIFFinfoKeyLookup = array( + 'IARL'=>'archivallocation', + 'IART'=>'artist', + 'ICDS'=>'costumedesigner', + 'ICMS'=>'commissionedby', + 'ICMT'=>'comment', + 'ICNT'=>'country', + 'ICOP'=>'copyright', + 'ICRD'=>'creationdate', + 'IDIM'=>'dimensions', + 'IDIT'=>'digitizationdate', + 'IDPI'=>'resolution', + 'IDST'=>'distributor', + 'IEDT'=>'editor', + 'IENG'=>'engineers', + 'IFRM'=>'accountofparts', + 'IGNR'=>'genre', + 'IKEY'=>'keywords', + 'ILGT'=>'lightness', + 'ILNG'=>'language', + 'IMED'=>'orignalmedium', + 'IMUS'=>'composer', + 'INAM'=>'title', + 'IPDS'=>'productiondesigner', + 'IPLT'=>'palette', + 'IPRD'=>'product', + 'IPRO'=>'producer', + 'IPRT'=>'part', + 'IRTD'=>'rating', + 'ISBJ'=>'subject', + 'ISFT'=>'software', + 'ISGN'=>'secondarygenre', + 'ISHP'=>'sharpness', + 'ISRC'=>'sourcesupplier', + 'ISRF'=>'digitizationsource', + 'ISTD'=>'productionstudio', + 'ISTR'=>'starring', + 'ITCH'=>'encoded_by', + 'IWEB'=>'url', + 'IWRI'=>'writer' + ); + foreach ($RIFFinfoKeyLookup as $key => $value) { + if (isset($RIFFinfoArray[$key])) { + foreach ($RIFFinfoArray[$key] as $commentid => $commentdata) { + if (trim($commentdata['data']) != '') { + @$CommentsTargetArray[$value][] = trim($commentdata['data']); + } + } + } + } + return true; + } + + function ParseRIFF(&$fd, $startoffset, $maxoffset, &$ThisFileInfo) { + $maxoffset = min($maxoffset, $ThisFileInfo['avdataend']); + + $RIFFchunk = false; + $FoundAllChunksWeNeed = false; + + if (($startoffset < 0) || ($startoffset >= pow(2, 31))) { + $ThisFileInfo['warning'][] = 'Unable to ParseRIFF() at '.$startoffset.' because beyond 2GB limit of PHP filesystem functions'; + return false; + } + fseek($fd, $startoffset, SEEK_SET); + + while (ftell($fd) < $maxoffset) { + $chunkname = fread($fd, 4); + if (strlen($chunkname) < 4) { + $ThisFileInfo['error'][] = 'Expecting chunk name at offset '.(ftell($fd) - 4).' but found nothing. Aborting RIFF parsing.'; + break; + } + + $chunksize = getid3_riff::EitherEndian2Int($ThisFileInfo, fread($fd, 4)); + if ($chunksize == 0) { + $ThisFileInfo['warning'][] = 'Chunk size at offset '.(ftell($fd) - 4).' is zero. Aborting RIFF parsing.'; + continue; + } + if (($chunksize % 2) != 0) { + // all structures are packed on word boundaries + $chunksize++; + } + + switch ($chunkname) { + case 'LIST': + $listname = fread($fd, 4); + if (eregi('^(movi|rec )$', $listname)) { + $RIFFchunk[$listname]['offset'] = ftell($fd) - 4; + $RIFFchunk[$listname]['size'] = $chunksize; + + if ($FoundAllChunksWeNeed) { + + // skip over + + } else { + + $WhereWeWere = ftell($fd); + $AudioChunkHeader = fread($fd, 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)) { + $dummy = $ThisFileInfo; + $dummy['avdataoffset'] = ftell($fd) - 4; + $dummy['avdataend'] = ftell($fd) + $AudioChunkSize; + getid3_mp3::getOnlyMPEGaudioInfo($fd, $dummy, $dummy['avdataoffset'], false); + if (isset($dummy['mpeg']['audio'])) { + $ThisFileInfo = $dummy; + $ThisFileInfo['audio']['dataformat'] = 'mp'.$ThisFileInfo['mpeg']['audio']['layer']; + $ThisFileInfo['audio']['sample_rate'] = $ThisFileInfo['mpeg']['audio']['sample_rate']; + $ThisFileInfo['audio']['channels'] = $ThisFileInfo['mpeg']['audio']['channels']; + $ThisFileInfo['audio']['bitrate'] = $ThisFileInfo['mpeg']['audio']['bitrate']; + $ThisFileInfo['bitrate'] = $ThisFileInfo['audio']['bitrate']; + $ThisFileInfo['audio']['bitrate_mode'] = strtolower($ThisFileInfo['mpeg']['audio']['bitrate_mode']); + } + unset($dummy); + } + + } elseif (preg_match('/^\x0B\x77/s', $FirstFourBytes)) { + + // AC3 + $GETID3_ERRORARRAY = &$ThisFileInfo['warning']; + if (getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.ac3.php', __FILE__, false)) { + + $dummy = $ThisFileInfo; + $dummy['avdataoffset'] = ftell($fd) - 4; + $dummy['avdataend'] = ftell($fd) + $AudioChunkSize; + $dummy['error'] = array(); + $ac3_tag = new getid3_ac3($fd, $dummy); + if (empty($dummy['error'])) { + $ThisFileInfo['audio'] = $dummy['audio']; + $ThisFileInfo['ac3'] = $dummy['ac3']; + $ThisFileInfo['warning'] = $dummy['warning']; + } + unset($ac3_tag); + + } + + } + + } + + $FoundAllChunksWeNeed = true; + fseek($fd, $WhereWeWere, SEEK_SET); + + } + fseek($fd, $chunksize - 4, SEEK_CUR); + + //} elseif (ereg('^[0-9]{2}(wb|pc|dc|db)$', $listname)) { + // + // // data chunk, ignore + // + } else { + + if (!isset($RIFFchunk[$listname])) { + $RIFFchunk[$listname] = array(); + } + $LISTchunkParent = $listname; + $LISTchunkMaxOffset = ftell($fd) - 4 + $chunksize; + if ($parsedChunk = getid3_riff::ParseRIFF($fd, ftell($fd), ftell($fd) + $chunksize - 4, $ThisFileInfo)) { + $RIFFchunk[$listname] = array_merge_recursive($RIFFchunk[$listname], $parsedChunk); + } + + } + break; + + default: + if (eregi('^[0-9]{2}(wb|pc|dc|db)$', $chunkname)) { + $nextoffset = ftell($fd) + $chunksize; + if (($nextoffset < 0) || ($nextoffset >= pow(2, 31))) { + $ThisFileInfo['warning'][] = 'Unable to parse chunk at offset '.$nextoffset.' because beyond 2GB limit of PHP filesystem functions'; + break 2; + } + fseek($fd, $nextoffset, SEEK_SET); + break; + } + $thisindex = 0; + if (isset($RIFFchunk[$chunkname]) && is_array($RIFFchunk[$chunkname])) { + $thisindex = count($RIFFchunk[$chunkname]); + } + $RIFFchunk[$chunkname][$thisindex]['offset'] = ftell($fd) - 8; + $RIFFchunk[$chunkname][$thisindex]['size'] = $chunksize; + switch ($chunkname) { + case 'data': + $ThisFileInfo['avdataoffset'] = ftell($fd); + $ThisFileInfo['avdataend'] = $ThisFileInfo['avdataoffset'] + $chunksize; + + $RIFFdataChunkContentsTest = fread($fd, 36); + + if ((strlen($RIFFdataChunkContentsTest) > 0) && preg_match('/^\xFF[\xE2-\xE7\xF2-\xF7\xFA-\xFF][\x00-\xEB]/s', substr($RIFFdataChunkContentsTest, 0, 4))) { + + // Probably is MP3 data + if (getid3_mp3::MPEGaudioHeaderBytesValid(substr($RIFFdataChunkContentsTest, 0, 4))) { + + // copy info array + $dummy = $ThisFileInfo; + + getid3_mp3::getOnlyMPEGaudioInfo($fd, $dummy, $RIFFchunk[$chunkname][$thisindex]['offset'], false); + + // use dummy array unless error + if (empty($dummy['error'])) { + $ThisFileInfo = $dummy; + } + } + + } elseif ((strlen($RIFFdataChunkContentsTest) > 0) && (substr($RIFFdataChunkContentsTest, 0, 2) == "\x0B\x77")) { + + // This is probably AC-3 data + $GETID3_ERRORARRAY = &$ThisFileInfo['warning']; + if (getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.ac3.php', __FILE__, false)) { + + $dummy = $ThisFileInfo; + $dummy['avdataoffset'] = $RIFFchunk[$chunkname][$thisindex]['offset']; + $dummy['avdataend'] = $dummy['avdataoffset'] + $RIFFchunk[$chunkname][$thisindex]['size']; + $dummy['error'] = array(); + + $ac3_tag = new getid3_ac3($fd, $dummy); + if (empty($dummy['error'])) { + $ThisFileInfo['audio'] = $dummy['audio']; + $ThisFileInfo['ac3'] = $dummy['ac3']; + $ThisFileInfo['warning'] = $dummy['warning']; + } + unset($ac3_tag); + + } + + } elseif ((strlen($RIFFdataChunkContentsTest) > 0) && (substr($RIFFdataChunkContentsTest, 8, 2) == "\x77\x0B")) { + + // Dolby Digital WAV + // AC-3 content, but not encoded in same format as normal AC-3 file + // For one thing, byte order is swapped + + $GETID3_ERRORARRAY = &$ThisFileInfo['warning']; + if (getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.ac3.php', __FILE__, false)) { + + // ok to use tmpfile here - only 56 bytes + if ($fd_temp = tmpfile()) { + + for ($i = 0; $i < 28; $i += 2) { + // swap byte order + fwrite($fd_temp, substr($RIFFdataChunkContentsTest, 8 + $i + 1, 1)); + fwrite($fd_temp, substr($RIFFdataChunkContentsTest, 8 + $i + 0, 1)); + } + + $dummy = $ThisFileInfo; + $dummy['avdataoffset'] = 0; + $dummy['avdataend'] = 20; + $dummy['error'] = array(); + $ac3_tag = new getid3_ac3($fd_temp, $dummy); + fclose($fd_temp); + if (empty($dummy['error'])) { + $ThisFileInfo['audio'] = $dummy['audio']; + $ThisFileInfo['ac3'] = $dummy['ac3']; + $ThisFileInfo['warning'] = $dummy['warning']; + } else { + $ThisFileInfo['error'][] = 'Errors parsing DolbyDigital WAV: '.explode(';', $dummy['error']); + } + unset($ac3_tag); + + } else { + + $ThisFileInfo['error'][] = 'Could not create temporary file to analyze DolbyDigital WAV'; + + } + + } + + } elseif ((strlen($RIFFdataChunkContentsTest) > 0) && (substr($RIFFdataChunkContentsTest, 0, 4) == 'wvpk')) { + + // This is WavPack data + $ThisFileInfo['wavpack']['offset'] = $RIFFchunk[$chunkname][$thisindex]['offset']; + $ThisFileInfo['wavpack']['size'] = getid3_lib::LittleEndian2Int(substr($RIFFdataChunkContentsTest, 4, 4)); + getid3_riff::RIFFparseWavPackHeader(substr($RIFFdataChunkContentsTest, 8, 28), $ThisFileInfo); + + } else { + + // This is some other kind of data (quite possibly just PCM) + // do nothing special, just skip it + + } + $nextoffset = $RIFFchunk[$chunkname][$thisindex]['offset'] + 8 + $chunksize; + if (($nextoffset < 0) || ($nextoffset >= pow(2, 31))) { + $ThisFileInfo['warning'][] = 'Unable to parse chunk at offset '.$nextoffset.' because beyond 2GB limit of PHP filesystem functions'; + break 3; + } + fseek($fd, $RIFFchunk[$chunkname][$thisindex]['offset'] + 8 + $chunksize, SEEK_SET); + break; + + case 'bext': + case 'cart': + case 'fmt ': + case 'strh': + case 'strf': + case 'indx': + case 'MEXT': + case 'DISP': + // always read data in + $RIFFchunk[$chunkname][$thisindex]['data'] = fread($fd, $chunksize); + break; + + default: + if (!ereg('^[0-9]{2}(wb|pc|dc|db)$', $chunkname) && !empty($LISTchunkParent) && (($RIFFchunk[$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 (isset($RIFFchunk[$chunkname]) && empty($RIFFchunk[$chunkname])) { + unset($RIFFchunk[$chunkname]); + } + $RIFFchunk[$LISTchunkParent][$chunkname][$thisindex]['data'] = fread($fd, $chunksize); + } elseif ($chunksize < 2048) { + // only read data in if smaller than 2kB + $RIFFchunk[$chunkname][$thisindex]['data'] = fread($fd, $chunksize); + } else { + $nextoffset = ftell($fd) + $chunksize; + if (($nextoffset < 0) || ($nextoffset >= pow(2, 31))) { + $ThisFileInfo['warning'][] = 'Unable to parse chunk at offset '.$nextoffset.' because beyond 2GB limit of PHP filesystem functions'; + break 3; + } + fseek($fd, $nextoffset, SEEK_SET); + } + break; + } + break; + + } + + } + + return $RIFFchunk; + } + + + function ParseRIFFdata(&$RIFFdata, &$ThisFileInfo) { + if ($RIFFdata) { + + $tempfile = tempnam('*', '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); + + $fp_temp = fopen($tempfile, "rb"); + $dummy = array('filesize'=>$RIFFdataLength, 'filenamepath'=>$ThisFileInfo['filenamepath'], 'tags'=>$ThisFileInfo['tags'], 'avdataoffset'=>0, 'avdataend'=>$RIFFdataLength, 'warning'=>$ThisFileInfo['warning'], 'error'=>$ThisFileInfo['error'], 'comments'=>$ThisFileInfo['comments'], 'audio'=>(isset($ThisFileInfo['audio']) ? $ThisFileInfo['audio'] : array()), 'video'=>(isset($ThisFileInfo['video']) ? $ThisFileInfo['video'] : array())); + $riff = new getid3_riff($fp_temp, $dummy); + $ThisFileInfo['riff'] = $dummy['riff']; + $ThisFileInfo['warning'] = $dummy['warning']; + $ThisFileInfo['error'] = $dummy['error']; + $ThisFileInfo['tags'] = $dummy['tags']; + $ThisFileInfo['comments'] = $dummy['comments']; + unset($riff); + fclose($fp_temp); + unlink($tempfile); + return true; + } + return false; + } + + + function RIFFparseWAVEFORMATex($WaveFormatExData) { + // shortcut + $WaveFormatEx['raw'] = array(); + $WaveFormatEx_raw = &$WaveFormatEx['raw']; + + $WaveFormatEx_raw['wFormatTag'] = getid3_lib::LittleEndian2Int(substr($WaveFormatExData, 0, 2)); + $WaveFormatEx_raw['nChannels'] = getid3_lib::LittleEndian2Int(substr($WaveFormatExData, 2, 2)); + $WaveFormatEx_raw['nSamplesPerSec'] = getid3_lib::LittleEndian2Int(substr($WaveFormatExData, 4, 4)); + $WaveFormatEx_raw['nAvgBytesPerSec'] = getid3_lib::LittleEndian2Int(substr($WaveFormatExData, 8, 4)); + $WaveFormatEx_raw['nBlockAlign'] = getid3_lib::LittleEndian2Int(substr($WaveFormatExData, 12, 2)); + $WaveFormatEx_raw['wBitsPerSample'] = getid3_lib::LittleEndian2Int(substr($WaveFormatExData, 14, 2)); + if (strlen($WaveFormatExData) > 16) { + $WaveFormatEx_raw['cbSize'] = getid3_lib::LittleEndian2Int(substr($WaveFormatExData, 16, 2)); + } + + $WaveFormatEx['codec'] = getid3_riff::RIFFwFormatTagLookup($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 $WaveFormatEx; + } + + + function RIFFparseWavPackHeader($WavPackChunkData, &$ThisFileInfo) { + // 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 + $ThisFileInfo['wavpack'] = array(); + $thisfile_wavpack = &$ThisFileInfo['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; + } + + function ParseBITMAPINFOHEADER($BITMAPINFOHEADER, $littleEndian=true) { + // yes it's ugly to instantiate a getid3_lib object here, suggested alternative please? + $getid3_lib = new getid3_lib(); + $functionname = ($littleEndian ? 'LittleEndian2Int' : 'BigEndian2Int'); + $parsed['biSize'] = $getid3_lib->$functionname(substr($BITMAPINFOHEADER, 0, 4)); // number of bytes required by the BITMAPINFOHEADER structure + $parsed['biWidth'] = $getid3_lib->$functionname(substr($BITMAPINFOHEADER, 4, 4)); // width of the bitmap in pixels + $parsed['biHeight'] = $getid3_lib->$functionname(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'] = $getid3_lib->$functionname(substr($BITMAPINFOHEADER, 12, 2)); // number of color planes on the target device. In most cases this value must be set to 1 + $parsed['biBitCount'] = $getid3_lib->$functionname(substr($BITMAPINFOHEADER, 14, 2)); // Specifies the number of bits per pixels + $parsed['fourcc'] = substr($BITMAPINFOHEADER, 16, 4); // compression identifier + $parsed['biSizeImage'] = $getid3_lib->$functionname(substr($BITMAPINFOHEADER, 20, 4)); // size of the bitmap data section of the image (the actual pixel data, excluding BITMAPINFOHEADER and RGBQUAD structures) + $parsed['biXPelsPerMeter'] = $getid3_lib->$functionname(substr($BITMAPINFOHEADER, 24, 4)); // horizontal resolution, in pixels per metre, of the target device + $parsed['biYPelsPerMeter'] = $getid3_lib->$functionname(substr($BITMAPINFOHEADER, 28, 4)); // vertical resolution, in pixels per metre, of the target device + $parsed['biClrUsed'] = $getid3_lib->$functionname(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'] = $getid3_lib->$functionname(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
+ return $parsed; + }
+ + function RIFFwFormatTagLookup($wFormatTag) { + + $begin = __LINE__; + + /** This is not a comment! + + 0x0000 Microsoft Unknown Wave Format + 0x0001 Pulse Code Modulation (PCM) + 0x0002 Microsoft ADPCM + 0x0003 IEEE Float + 0x0004 Compaq Computer VSELP + 0x0005 IBM CVSD + 0x0006 Microsoft A-Law + 0x0007 Microsoft mu-Law + 0x0008 Microsoft DTS + 0x0010 OKI ADPCM + 0x0011 Intel DVI/IMA ADPCM + 0x0012 Videologic MediaSpace ADPCM + 0x0013 Sierra Semiconductor ADPCM + 0x0014 Antex Electronics G.723 ADPCM + 0x0015 DSP Solutions DigiSTD + 0x0016 DSP Solutions DigiFIX + 0x0017 Dialogic OKI ADPCM + 0x0018 MediaVision ADPCM + 0x0019 Hewlett-Packard CU + 0x0020 Yamaha ADPCM + 0x0021 Speech Compression Sonarc + 0x0022 DSP Group TrueSpeech + 0x0023 Echo Speech EchoSC1 + 0x0024 Audiofile AF36 + 0x0025 Audio Processing Technology APTX + 0x0026 AudioFile AF10 + 0x0027 Prosody 1612 + 0x0028 LRC + 0x0030 Dolby AC2 + 0x0031 Microsoft GSM 6.10 + 0x0032 MSNAudio + 0x0033 Antex Electronics ADPCME + 0x0034 Control Resources VQLPC + 0x0035 DSP Solutions DigiREAL + 0x0036 DSP Solutions DigiADPCM + 0x0037 Control Resources CR10 + 0x0038 Natural MicroSystems VBXADPCM + 0x0039 Crystal Semiconductor IMA ADPCM + 0x003A EchoSC3 + 0x003B Rockwell ADPCM + 0x003C Rockwell Digit LK + 0x003D Xebec + 0x0040 Antex Electronics G.721 ADPCM + 0x0041 G.728 CELP + 0x0042 MSG723 + 0x0050 MPEG Layer-2 or Layer-1 + 0x0052 RT24 + 0x0053 PAC + 0x0055 MPEG Layer-3 + 0x0059 Lucent G.723 + 0x0060 Cirrus + 0x0061 ESPCM + 0x0062 Voxware + 0x0063 Canopus Atrac + 0x0064 G.726 ADPCM + 0x0065 G.722 ADPCM + 0x0066 DSAT + 0x0067 DSAT Display + 0x0069 Voxware Byte Aligned + 0x0070 Voxware AC8 + 0x0071 Voxware AC10 + 0x0072 Voxware AC16 + 0x0073 Voxware AC20 + 0x0074 Voxware MetaVoice + 0x0075 Voxware MetaSound + 0x0076 Voxware RT29HW + 0x0077 Voxware VR12 + 0x0078 Voxware VR18 + 0x0079 Voxware TQ40 + 0x0080 Softsound + 0x0081 Voxware TQ60 + 0x0082 MSRT24 + 0x0083 G.729A + 0x0084 MVI MV12 + 0x0085 DF G.726 + 0x0086 DF GSM610 + 0x0088 ISIAudio + 0x0089 Onlive + 0x0091 SBC24 + 0x0092 Dolby AC3 SPDIF + 0x0093 MediaSonic G.723 + 0x0094 Aculab PLC Prosody 8kbps + 0x0097 ZyXEL ADPCM + 0x0098 Philips LPCBB + 0x0099 Packed + 0x00FF AAC + 0x0100 Rhetorex ADPCM + 0x0101 IBM mu-law + 0x0102 IBM A-law + 0x0103 IBM AVC Adaptive Differential Pulse Code Modulation (ADPCM) + 0x0111 Vivo G.723 + 0x0112 Vivo Siren + 0x0123 Digital G.723 + 0x0125 Sanyo LD ADPCM + 0x0130 Sipro Lab Telecom ACELP NET + 0x0131 Sipro Lab Telecom ACELP 4800 + 0x0132 Sipro Lab Telecom ACELP 8V3 + 0x0133 Sipro Lab Telecom G.729 + 0x0134 Sipro Lab Telecom G.729A + 0x0135 Sipro Lab Telecom Kelvin + 0x0140 Windows Media Video V8 + 0x0150 Qualcomm PureVoice + 0x0151 Qualcomm HalfRate + 0x0155 Ring Zero Systems TUB GSM + 0x0160 Microsoft Audio 1 + 0x0161 Windows Media Audio V7 / V8 / V9 + 0x0162 Windows Media Audio Professional V9 + 0x0163 Windows Media Audio Lossless V9 + 0x0200 Creative Labs ADPCM + 0x0202 Creative Labs Fastspeech8 + 0x0203 Creative Labs Fastspeech10 + 0x0210 UHER Informatic GmbH ADPCM + 0x0220 Quarterdeck + 0x0230 I-link Worldwide VC + 0x0240 Aureal RAW Sport + 0x0250 Interactive Products HSX + 0x0251 Interactive Products RPELP + 0x0260 Consistent Software CS2 + 0x0270 Sony SCX + 0x0300 Fujitsu FM Towns Snd + 0x0400 BTV Digital + 0x0401 Intel Music Coder + 0x0450 QDesign Music + 0x0680 VME VMPCM + 0x0681 AT&T Labs TPC + 0x08AE ClearJump LiteWave + 0x1000 Olivetti GSM + 0x1001 Olivetti ADPCM + 0x1002 Olivetti CELP + 0x1003 Olivetti SBC + 0x1004 Olivetti OPR + 0x1100 Lernout & Hauspie Codec (0x1100) + 0x1101 Lernout & Hauspie CELP Codec (0x1101) + 0x1102 Lernout & Hauspie SBC Codec (0x1102) + 0x1103 Lernout & Hauspie SBC Codec (0x1103) + 0x1104 Lernout & Hauspie SBC Codec (0x1104) + 0x1400 Norris + 0x1401 AT&T ISIAudio + 0x1500 Soundspace Music Compression + 0x181C VoxWare RT24 Speech + 0x1FC4 NCT Soft ALF2CD (www.nctsoft.com) + 0x2000 Dolby AC3 + 0x2001 Dolby DTS + 0x2002 WAVE_FORMAT_14_4 + 0x2003 WAVE_FORMAT_28_8 + 0x2004 WAVE_FORMAT_COOK + 0x2005 WAVE_FORMAT_DNET + 0x674F Ogg Vorbis 1 + 0x6750 Ogg Vorbis 2 + 0x6751 Ogg Vorbis 3 + 0x676F Ogg Vorbis 1+ + 0x6770 Ogg Vorbis 2+ + 0x6771 Ogg Vorbis 3+ + 0x7A21 GSM-AMR (CBR, no SID) + 0x7A22 GSM-AMR (VBR, including SID) + 0xFFFE WAVE_FORMAT_EXTENSIBLE + 0xFFFF WAVE_FORMAT_DEVELOPMENT + + */ + + return getid3_lib::EmbeddedLookup('0x'.str_pad(strtoupper(dechex($wFormatTag)), 4, '0', STR_PAD_LEFT), $begin, __LINE__, __FILE__, 'riff-wFormatTag'); + + } + + + function RIFFfourccLookup($fourcc) { + + $begin = __LINE__; + + /** This is not a comment! + + swot http://developer.apple.com/qa/snd/snd07.html + ____ No Codec (____) + _BIT BI_BITFIELDS (Raw RGB) + _JPG JPEG compressed + _PNG PNG compressed W3C/ISO/IEC (RFC-2083) + _RAW Full Frames (Uncompressed) + _RGB Raw RGB Bitmap + _RL4 RLE 4bpp RGB + _RL8 RLE 8bpp RGB + 3IV1 3ivx MPEG-4 v1 + 3IV2 3ivx MPEG-4 v2 + 3IVX 3ivx MPEG-4 + AASC Autodesk Animator + ABYR Kensington ?ABYR? + AEMI Array Microsystems VideoONE MPEG1-I Capture + AFLC Autodesk Animator FLC + AFLI Autodesk Animator FLI + AMPG Array Microsystems VideoONE MPEG + ANIM Intel RDX (ANIM) + AP41 AngelPotion Definitive + ASV1 Asus Video v1 + ASV2 Asus Video v2 + ASVX Asus Video 2.0 (audio) + AUR2 AuraVision Aura 2 Codec - YUV 4:2:2 + AURA AuraVision Aura 1 Codec - YUV 4:1:1 + AVDJ Independent JPEG Group\'s codec (AVDJ) + AVRN Independent JPEG Group\'s codec (AVRN) + AYUV 4:4:4 YUV (AYUV) + AZPR Quicktime Apple Video (AZPR) + BGR Raw RGB32 + BLZ0 Blizzard DivX MPEG-4 + BTVC Conexant Composite Video + BINK RAD Game Tools Bink Video + BT20 Conexant Prosumer Video + BTCV Conexant Composite Video Codec + BW10 Data Translation Broadway MPEG Capture + CC12 Intel YUV12 + CDVC Canopus DV + CFCC Digital Processing Systems DPS Perception + CGDI Microsoft Office 97 Camcorder Video + CHAM Winnov Caviara Champagne + CJPG Creative WebCam JPEG + CLJR Cirrus Logic YUV 4:1:1 + CMYK Common Data Format in Printing (Colorgraph) + CPLA Weitek 4:2:0 YUV Planar + CRAM Microsoft Video 1 (CRAM) + cvid Radius Cinepak + CVID Radius Cinepak + CWLT Microsoft Color WLT DIB + CYUV Creative Labs YUV + CYUY ATI YUV + D261 H.261 + D263 H.263 + DIB Device Independent Bitmap + DIV1 FFmpeg OpenDivX + DIV2 Microsoft MPEG-4 v1/v2 + DIV3 DivX ;-) MPEG-4 v3.x Low-Motion + DIV4 DivX ;-) MPEG-4 v3.x Fast-Motion + DIV5 DivX MPEG-4 v5.x + DIV6 DivX ;-) (MS MPEG-4 v3.x) + DIVX DivX MPEG-4 v4 (OpenDivX / Project Mayo) + divx DivX MPEG-4 + DMB1 Matrox Rainbow Runner hardware MJPEG + DMB2 Paradigm MJPEG + DSVD ?DSVD? + DUCK Duck TrueMotion 1.0 + DPS0 DPS/Leitch Reality Motion JPEG + DPSC DPS/Leitch PAR Motion JPEG + DV25 Matrox DVCPRO codec + DV50 Matrox DVCPRO50 codec + DVC IEC 61834 and SMPTE 314M (DVC/DV Video) + DVCP IEC 61834 and SMPTE 314M (DVC/DV Video) + DVHD IEC Standard DV 1125 lines @ 30fps / 1250 lines @ 25fps + DVMA Darim Vision DVMPEG (dummy for MPEG compressor) (www.darvision.com) + DVSL IEC Standard DV compressed in SD (SDL) + DVAN ?DVAN? + DVE2 InSoft DVE-2 Videoconferencing + dvsd IEC 61834 and SMPTE 314M DVC/DV Video + DVSD IEC 61834 and SMPTE 314M DVC/DV Video + DVX1 Lucent DVX1000SP Video Decoder + DVX2 Lucent DVX2000S Video Decoder + DVX3 Lucent DVX3000S Video Decoder + DX50 DivX v5 + DXT1 Microsoft DirectX Compressed Texture (DXT1) + DXT2 Microsoft DirectX Compressed Texture (DXT2) + DXT3 Microsoft DirectX Compressed Texture (DXT3) + DXT4 Microsoft DirectX Compressed Texture (DXT4) + DXT5 Microsoft DirectX Compressed Texture (DXT5) + DXTC Microsoft DirectX Compressed Texture (DXTC) + DXTn Microsoft DirectX Compressed Texture (DXTn) + EM2V Etymonix MPEG-2 I-frame (www.etymonix.com) + EKQ0 Elsa ?EKQ0? + ELK0 Elsa ?ELK0? + ESCP Eidos Escape + ETV1 eTreppid Video ETV1 + ETV2 eTreppid Video ETV2 + ETVC eTreppid Video ETVC + FLIC Autodesk FLI/FLC Animation + FRWT Darim Vision Forward Motion JPEG (www.darvision.com) + FRWU Darim Vision Forward Uncompressed (www.darvision.com) + FLJP D-Vision Field Encoded Motion JPEG + FRWA SoftLab-Nsk Forward Motion JPEG w/ alpha channel + FRWD SoftLab-Nsk Forward Motion JPEG + FVF1 Iterated Systems Fractal Video Frame + GLZW Motion LZW (gabest@freemail.hu) + GPEG Motion JPEG (gabest@freemail.hu) + GWLT Microsoft Greyscale WLT DIB + H260 Intel ITU H.260 Videoconferencing + H261 Intel ITU H.261 Videoconferencing + H262 Intel ITU H.262 Videoconferencing + H263 Intel ITU H.263 Videoconferencing + H264 Intel ITU H.264 Videoconferencing + H265 Intel ITU H.265 Videoconferencing + H266 Intel ITU H.266 Videoconferencing + H267 Intel ITU H.267 Videoconferencing + H268 Intel ITU H.268 Videoconferencing + H269 Intel ITU H.269 Videoconferencing + HFYU Huffman Lossless Codec + HMCR Rendition Motion Compensation Format (HMCR) + HMRR Rendition Motion Compensation Format (HMRR) + I263 FFmpeg I263 decoder + IF09 Indeo YVU9 ("YVU9 with additional delta-frame info after the U plane") + IUYV Interlaced version of UYVY (www.leadtools.com) + IY41 Interlaced version of Y41P (www.leadtools.com) + IYU1 12 bit format used in mode 2 of the IEEE 1394 Digital Camera 1.04 spec IEEE standard + IYU2 24 bit format used in mode 2 of the IEEE 1394 Digital Camera 1.04 spec IEEE standard + IYUV Planar YUV format (8-bpp Y plane, followed by 8-bpp 2×2 U and V planes) + i263 Intel ITU H.263 Videoconferencing (i263) + I420 Intel Indeo 4 + IAN Intel Indeo 4 (RDX) + ICLB InSoft CellB Videoconferencing + IGOR Power DVD + IJPG Intergraph JPEG + ILVC Intel Layered Video + ILVR ITU-T H.263+ + IPDV I-O Data Device Giga AVI DV Codec + IR21 Intel Indeo 2.1 + IRAW Intel YUV Uncompressed + IV30 Intel Indeo 3.0 + IV31 Intel Indeo 3.1 + IV32 Ligos Indeo 3.2 + IV33 Ligos Indeo 3.3 + IV34 Ligos Indeo 3.4 + IV35 Ligos Indeo 3.5 + IV36 Ligos Indeo 3.6 + IV37 Ligos Indeo 3.7 + IV38 Ligos Indeo 3.8 + IV39 Ligos Indeo 3.9 + IV40 Ligos Indeo Interactive 4.0 + IV41 Ligos Indeo Interactive 4.1 + IV42 Ligos Indeo Interactive 4.2 + IV43 Ligos Indeo Interactive 4.3 + IV44 Ligos Indeo Interactive 4.4 + IV45 Ligos Indeo Interactive 4.5 + IV46 Ligos Indeo Interactive 4.6 + IV47 Ligos Indeo Interactive 4.7 + IV48 Ligos Indeo Interactive 4.8 + IV49 Ligos Indeo Interactive 4.9 + IV50 Ligos Indeo Interactive 5.0 + JBYR Kensington ?JBYR? + JPEG Still Image JPEG DIB + JPGL Pegasus Lossless Motion JPEG + KMVC Team17 Software Karl Morton\'s Video Codec + LSVM Vianet Lighting Strike Vmail (Streaming) (www.vianet.com) + LEAD LEAD Video Codec + Ljpg LEAD MJPEG Codec + MDVD Alex MicroDVD Video (hacked MS MPEG-4) (www.tiasoft.de) + MJPA Morgan Motion JPEG (MJPA) (www.morgan-multimedia.com) + MJPB Morgan Motion JPEG (MJPB) (www.morgan-multimedia.com) + MMES Matrox MPEG-2 I-frame + MP2v Microsoft S-Mpeg 4 version 1 (MP2v) + MP42 Microsoft S-Mpeg 4 version 2 (MP42) + MP43 Microsoft S-Mpeg 4 version 3 (MP43) + MP4S Microsoft S-Mpeg 4 version 3 (MP4S) + MP4V FFmpeg MPEG-4 + MPG1 FFmpeg MPEG 1/2 + MPG2 FFmpeg MPEG 1/2 + MPG3 FFmpeg DivX ;-) (MS MPEG-4 v3) + MPG4 Microsoft MPEG-4 + MPGI Sigma Designs MPEG + MPNG PNG images decoder + MSS1 Microsoft Windows Screen Video + MSZH LCL (Lossless Codec Library) (www.geocities.co.jp/Playtown-Denei/2837/LRC.htm) + M261 Microsoft H.261 + M263 Microsoft H.263 + M4S2 Microsoft Fully Compliant MPEG-4 v2 simple profile (M4S2) + m4s2 Microsoft Fully Compliant MPEG-4 v2 simple profile (m4s2) + MC12 ATI Motion Compensation Format (MC12) + MCAM ATI Motion Compensation Format (MCAM) + MJ2C Morgan Multimedia Motion JPEG2000 + mJPG IBM Motion JPEG w/ Huffman Tables + MJPG Microsoft Motion JPEG DIB + MP42 Microsoft MPEG-4 (low-motion) + MP43 Microsoft MPEG-4 (fast-motion) + MP4S Microsoft MPEG-4 (MP4S) + mp4s Microsoft MPEG-4 (mp4s) + MPEG Chromatic Research MPEG-1 Video I-Frame + MPG4 Microsoft MPEG-4 Video High Speed Compressor + MPGI Sigma Designs MPEG + MRCA FAST Multimedia Martin Regen Codec + MRLE Microsoft Run Length Encoding + MSVC Microsoft Video 1 + MTX1 Matrox ?MTX1? + MTX2 Matrox ?MTX2? + MTX3 Matrox ?MTX3? + MTX4 Matrox ?MTX4? + MTX5 Matrox ?MTX5? + MTX6 Matrox ?MTX6? + MTX7 Matrox ?MTX7? + MTX8 Matrox ?MTX8? + MTX9 Matrox ?MTX9? + MV12 Motion Pixels Codec (old) + MWV1 Aware Motion Wavelets + nAVI SMR Codec (hack of Microsoft MPEG-4) (IRC #shadowrealm) + NT00 NewTek LightWave HDTV YUV w/ Alpha (www.newtek.com) + NUV1 NuppelVideo + NTN1 Nogatech Video Compression 1 + NVS0 nVidia GeForce Texture (NVS0) + NVS1 nVidia GeForce Texture (NVS1) + NVS2 nVidia GeForce Texture (NVS2) + NVS3 nVidia GeForce Texture (NVS3) + NVS4 nVidia GeForce Texture (NVS4) + NVS5 nVidia GeForce Texture (NVS5) + NVT0 nVidia GeForce Texture (NVT0) + NVT1 nVidia GeForce Texture (NVT1) + NVT2 nVidia GeForce Texture (NVT2) + NVT3 nVidia GeForce Texture (NVT3) + NVT4 nVidia GeForce Texture (NVT4) + NVT5 nVidia GeForce Texture (NVT5) + PIXL MiroXL, Pinnacle PCTV + PDVC I-O Data Device Digital Video Capture DV codec + PGVV Radius Video Vision + PHMO IBM Photomotion + PIM1 MPEG Realtime (Pinnacle Cards) + PIM2 Pegasus Imaging ?PIM2? + PIMJ Pegasus Imaging Lossless JPEG + PVEZ Horizons Technology PowerEZ + PVMM PacketVideo Corporation MPEG-4 + PVW2 Pegasus Imaging Wavelet Compression + Q1.0 Q-Team\'s QPEG 1.0 (www.q-team.de) + Q1.1 Q-Team\'s QPEG 1.1 (www.q-team.de) + QPEG Q-Team QPEG 1.0 + qpeq Q-Team QPEG 1.1 + RGB Raw BGR32 + RGBA Raw RGB w/ Alpha + RMP4 REALmagic MPEG-4 (unauthorized XVID copy) (www.sigmadesigns.com) + ROQV Id RoQ File Video Decoder + RPZA Quicktime Apple Video (RPZA) + RUD0 Rududu video codec (http://rududu.ifrance.com/rududu/) + RV10 RealVideo 1.0 (aka RealVideo 5.0) + RV13 RealVideo 1.0 (RV13) + RV20 RealVideo G2 + RV30 RealVideo 8 + RV40 RealVideo 9 + RGBT Raw RGB w/ Transparency + RLE Microsoft Run Length Encoder + RLE4 Run Length Encoded (4bpp, 16-color) + RLE8 Run Length Encoded (8bpp, 256-color) + RT21 Intel Indeo RealTime Video 2.1 + rv20 RealVideo G2 + rv30 RealVideo 8 + RVX Intel RDX (RVX ) + SMC Apple Graphics (SMC ) + SP54 Logitech Sunplus Sp54 Codec for Mustek GSmart Mini 2 + SPIG Radius Spigot + SVQ3 Sorenson Video 3 (Apple Quicktime 5) + s422 Tekram VideoCap C210 YUV 4:2:2 + SDCC Sun Communication Digital Camera Codec + SFMC CrystalNet Surface Fitting Method + SMSC Radius SMSC + SMSD Radius SMSD + smsv WorldConnect Wavelet Video + SPIG Radius Spigot + SPLC Splash Studios ACM Audio Codec (www.splashstudios.net) + SQZ2 Microsoft VXTreme Video Codec V2 + STVA ST Microelectronics CMOS Imager Data (Bayer) + STVB ST Microelectronics CMOS Imager Data (Nudged Bayer) + STVC ST Microelectronics CMOS Imager Data (Bunched) + STVX ST Microelectronics CMOS Imager Data (Extended CODEC Data Format) + STVY ST Microelectronics CMOS Imager Data (Extended CODEC Data Format with Correction Data) + SV10 Sorenson Video R1 + SVQ1 Sorenson Video + T420 Toshiba YUV 4:2:0 + TM2A Duck TrueMotion Archiver 2.0 (www.duck.com) + TVJP Pinnacle/Truevision Targa 2000 board (TVJP) + TVMJ Pinnacle/Truevision Targa 2000 board (TVMJ) + TY0N Tecomac Low-Bit Rate Codec (www.tecomac.com) + TY2C Trident Decompression Driver + TLMS TeraLogic Motion Intraframe Codec (TLMS) + TLST TeraLogic Motion Intraframe Codec (TLST) + TM20 Duck TrueMotion 2.0 + TM2X Duck TrueMotion 2X + TMIC TeraLogic Motion Intraframe Codec (TMIC) + TMOT Horizons Technology TrueMotion S + tmot Horizons TrueMotion Video Compression + TR20 Duck TrueMotion RealTime 2.0 + TSCC TechSmith Screen Capture Codec + TV10 Tecomac Low-Bit Rate Codec + TY2N Trident ?TY2N? + U263 UB Video H.263/H.263+/H.263++ Decoder + UMP4 UB Video MPEG 4 (www.ubvideo.com) + UYNV Nvidia UYVY packed 4:2:2 + UYVP Evans & Sutherland YCbCr 4:2:2 extended precision + UCOD eMajix.com ClearVideo + ULTI IBM Ultimotion + UYVY UYVY packed 4:2:2 + V261 Lucent VX2000S + VIFP VFAPI Reader Codec (www.yks.ne.jp/~hori/) + VIV1 FFmpeg H263+ decoder + VIV2 Vivo H.263 + VQC2 Vector-quantised codec 2 (research) http://eprints.ecs.soton.ac.uk/archive/00001310/01/VTC97-js.pdf) + VTLP Alaris VideoGramPiX + VYU9 ATI YUV (VYU9) + VYUY ATI YUV (VYUY) + V261 Lucent VX2000S + V422 Vitec Multimedia 24-bit YUV 4:2:2 Format + V655 Vitec Multimedia 16-bit YUV 4:2:2 Format + VCR1 ATI Video Codec 1 + VCR2 ATI Video Codec 2 + VCR3 ATI VCR 3.0 + VCR4 ATI VCR 4.0 + VCR5 ATI VCR 5.0 + VCR6 ATI VCR 6.0 + VCR7 ATI VCR 7.0 + VCR8 ATI VCR 8.0 + VCR9 ATI VCR 9.0 + VDCT Vitec Multimedia Video Maker Pro DIB + VDOM VDOnet VDOWave + VDOW VDOnet VDOLive (H.263) + VDTZ Darim Vison VideoTizer YUV + VGPX Alaris VideoGramPiX + VIDS Vitec Multimedia YUV 4:2:2 CCIR 601 for V422 + VIVO Vivo H.263 v2.00 + vivo Vivo H.263 + VIXL Miro/Pinnacle Video XL + VLV1 VideoLogic/PURE Digital Videologic Capture + VP30 On2 VP3.0 + VP31 On2 VP3.1 + VX1K Lucent VX1000S Video Codec + VX2K Lucent VX2000S Video Codec + VXSP Lucent VX1000SP Video Codec + WBVC Winbond W9960 + WHAM Microsoft Video 1 (WHAM) + WINX Winnov Software Compression + WJPG AverMedia Winbond JPEG + WMV1 Windows Media Video V7 + WMV2 Windows Media Video V8 + WMV3 Windows Media Video V9 + WNV1 Winnov Hardware Compression + XYZP Extended PAL format XYZ palette (www.riff.org) + x263 Xirlink H.263 + XLV0 NetXL Video Decoder + XMPG Xing MPEG (I-Frame only) + XVID XviD MPEG-4 (www.xvid.org) + XXAN ?XXAN? + YU92 Intel YUV (YU92) + YUNV Nvidia Uncompressed YUV 4:2:2 + YUVP Extended PAL format YUV palette (www.riff.org) + Y211 YUV 2:1:1 Packed + Y411 YUV 4:1:1 Packed + Y41B Weitek YUV 4:1:1 Planar + Y41P Brooktree PC1 YUV 4:1:1 Packed + Y41T Brooktree PC1 YUV 4:1:1 with transparency + Y42B Weitek YUV 4:2:2 Planar + Y42T Brooktree UYUV 4:2:2 with transparency + Y422 ADS Technologies Copy of UYVY used in Pyro WebCam firewire camera + Y800 Simple, single Y plane for monochrome images + Y8 Grayscale video + YC12 Intel YUV 12 codec + YUV8 Winnov Caviar YUV8 + YUV9 Intel YUV9 + YUY2 Uncompressed YUV 4:2:2 + YUYV Canopus YUV + YV12 YVU12 Planar + YVU9 Intel YVU9 Planar (8-bpp Y plane, followed by 8-bpp 4x4 U and V planes) + YVYU YVYU 4:2:2 Packed + ZLIB Lossless Codec Library zlib compression (www.geocities.co.jp/Playtown-Denei/2837/LRC.htm) + ZPEG Metheus Video Zipper + + */ + + return getid3_lib::EmbeddedLookup($fourcc, $begin, __LINE__, __FILE__, 'riff-fourcc'); + } + + + function EitherEndian2Int(&$ThisFileInfo, $byteword, $signed=false) { + if ($ThisFileInfo['fileformat'] == 'riff') { + return getid3_lib::LittleEndian2Int($byteword, $signed); + } + return getid3_lib::BigEndian2Int($byteword, false, $signed); + } + +} + +?>
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