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Public Member Functions
getid3_riff Class Reference
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Public Member Functions

 getid3_riff (&$fd, &$ThisFileInfo)
 RIFFcommentsParse (&$RIFFinfoArray, &$CommentsTargetArray)
 ParseRIFF (&$fd, $startoffset, $maxoffset, &$ThisFileInfo)
 ParseRIFFdata (&$RIFFdata, &$ThisFileInfo)
 RIFFparseWAVEFORMATex ($WaveFormatExData)
 RIFFparseWavPackHeader ($WavPackChunkData, &$ThisFileInfo)
 RIFFwFormatTagLookup ($wFormatTag)
 RIFFfourccLookup ($fourcc)
 EitherEndian2Int (&$ThisFileInfo, $byteword, $signed=false)

Detailed Description

Definition at line 21 of file module.audio-video.riff.php.

Member Function Documentation

getid3_riff::EitherEndian2Int ( &  $ThisFileInfo,
  $byteword,
  $signed = false 
)

Definition at line 1986 of file module.audio-video.riff.php.

References getid3_lib\BigEndian2Int(), and getid3_lib\LittleEndian2Int().

Referenced by getid3_riff(), and ParseRIFF().

{
if ($ThisFileInfo['fileformat'] == 'riff') {
return getid3_lib::LittleEndian2Int($byteword, $signed);
}
return getid3_lib::BigEndian2Int($byteword, false, $signed);
}

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getid3_riff::getid3_riff ( &  $fd,
&  $ThisFileInfo 
)

Definition at line 24 of file module.audio-video.riff.php.

References getid3_lib\array_merge_noclobber(), getid3_lib\BigEndian2Float(), getid3_lib\BigEndian2Int(), getid3_lib\Bin2Dec(), getid3_lib\CastAsInt(), getid3_lib\DateMac2Unix(), getid3_lib\Dec2Bin(), EitherEndian2Int(), getid3_lib\FixedPoint16_16(), getid3_mp3\GuessEncoderOptions(), getid3_lib\IncludeDependency(), getid3_lib\LittleEndian2Float(), getid3_lib\LittleEndian2Int(), ParseRIFF(), ParseRIFFdata(), getid3_lib\RGADadjustmentLookup(), getid3_lib\RGADnameLookup(), getid3_lib\RGADoriginatorLookup(), RIFFcommentsParse(), RIFFfourccLookup(), and RIFFparseWAVEFORMATex().

Referenced by ParseRIFFdata().

{
// 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));
$thisfile_riff[$RIFFsubtype] = getid3_riff::ParseRIFF($fd, $thisfile_avdataoffset + 12, $thisfile_avdataoffset + $RIFFheaderSize, $ThisFileInfo);
$thisfile_riff['header_size'] = $RIFFheaderSize;
if ($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']['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':
$thisfile_riff_raw_strf_strhfccType_streamindex['biSize'] = getid3_riff::EitherEndian2Int($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'];
}
}
}
break;
default:
$ThisFileInfo['error'][] = 'Unknown RIFF type: expecting one of (WAVE|RMP3|AVI |CDDA|AIFF|AIFC|8SVX|CDXA), found "'.$RIFFsubtype.'" instead';
unset($ThisFileInfo['fileformat']);
break;
}
if (isset($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;
}

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getid3_riff::ParseRIFF ( &  $fd,
  $startoffset,
  $maxoffset,
&  $ThisFileInfo 
)

Definition at line 1062 of file module.audio-video.riff.php.

References EitherEndian2Int(), getid3_mp3\getOnlyMPEGaudioInfo(), getid3_lib\IncludeDependency(), getid3_lib\LittleEndian2Int(), getid3_mp3\MPEGaudioHeaderBytesValid(), and RIFFparseWavPackHeader().

Referenced by getid3_riff(), and getid3_wavpack\getid3_wavpack().

{
$maxoffset = min($maxoffset, $ThisFileInfo['avdataend']);
$RIFFchunk = false;
fseek($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) {
$ThisFileInfo['error'][] = 'Chunk size at offset '.(ftell($fd) - 4).' is zero. Aborting RIFF parsing.';
break;
}
if (($chunksize % 2) != 0) {
// all structures are packed on word boundaries
$chunksize++;
}
switch ($chunkname) {
case 'LIST':
$listname = fread($fd, 4);
switch ($listname) {
case 'movi':
case 'rec ':
$RIFFchunk[$listname]['offset'] = ftell($fd) - 4;
$RIFFchunk[$listname]['size'] = $chunksize;
static $ParsedAudioStream = false;
if ($ParsedAudioStream) {
// 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']);
}
}
} 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'];
}
}
}
}
$ParsedAudioStream = true;
fseek($fd, $WhereWeWere, SEEK_SET);
}
fseek($fd, $chunksize - 4, SEEK_CUR);
break;
default:
if (!isset($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;
}
break;
default:
$thisindex = 0;
if (isset($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($RIFFdataChunkContentsTest, 0, 4))) {
getid3_mp3::getOnlyMPEGaudioInfo($fd, $ThisFileInfo, $RIFFchunk[$chunkname][$thisindex]['offset'], false);
}
} elseif ((strlen($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'] = $dummy['warning'];
}
}
} elseif ((strlen($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']);
}
} 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), $ThisFileInfo);
} else {
// This is some other kind of data (quite possibly just PCM)
// do nothing special, just skip it
}
fseek($fd, $RIFFchunk[$chunkname][$thisindex]['offset'] + 8 + $chunksize, SEEK_SET);
break;
case 'bext':
case 'cart':
case 'fmt ':
case 'MEXT':
case 'DISP':
// always read data in
$RIFFchunk[$chunkname][$thisindex]['data'] = fread($fd, $chunksize);
break;
default:
if (!empty($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, $chunksize);
} else {
fseek($fd, $chunksize, SEEK_CUR);
}
break;
}
break;
}
}
return $RIFFchunk;
}

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getid3_riff::ParseRIFFdata ( &  $RIFFdata,
&  $ThisFileInfo 
)

Definition at line 1310 of file module.audio-video.riff.php.

References getid3_riff(), and getid3_lib\LittleEndian2String().

Referenced by getid3_riff(), getid3_wavpack\getid3_wavpack(), getid3_optimfrog\ParseOptimFROGheader42(), and getid3_optimfrog\ParseOptimFROGheader45().

{
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'] = $dummy['comments'];
fclose($fp_temp);
unlink($tempfile);
return true;
}
return false;
}

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getid3_riff::RIFFcommentsParse ( &  $RIFFinfoArray,
&  $CommentsTargetArray 
)

Definition at line 1008 of file module.audio-video.riff.php.

Referenced by getid3_riff(), and getid3_wavpack\getid3_wavpack().

{
$RIFFinfoKeyLookup = array(
'IARL'=>'archivallocation',
'IART'=>'artist',
'ICDS'=>'costumedesigner',
'ICMS'=>'commissionedby',
'ICMT'=>'comment',
'ICNT'=>'country',
'ICOP'=>'copyright',
'ICRD'=>'creationdate',
'IDIM'=>'dimensions',
'IDIT'=>'digitizationdate',
'IDPI'=>'resolution',
'IDST'=>'distributor',
'IEDT'=>'editor',
'IENG'=>'engineers',
'IFRM'=>'accountofparts',
'IGNR'=>'genre',
'IKEY'=>'keywords',
'ILGT'=>'lightness',
'ILNG'=>'language',
'IMED'=>'orignalmedium',
'IMUS'=>'composer',
'INAM'=>'title',
'IPDS'=>'productiondesigner',
'IPLT'=>'palette',
'IPRD'=>'product',
'IPRO'=>'producer',
'IPRT'=>'part',
'IRTD'=>'rating',
'ISBJ'=>'subject',
'ISFT'=>'software',
'ISGN'=>'secondarygenre',
'ISHP'=>'sharpness',
'ISRC'=>'sourcesupplier',
'ISRF'=>'digitizationsource',
'ISTD'=>'productionstudio',
'ISTR'=>'starring',
'ITCH'=>'encoded_by',
'IWEB'=>'url',
'IWRI'=>'writer'
);
foreach ($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;
}

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getid3_riff::RIFFfourccLookup (   $fourcc)

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

Definition at line 1595 of file module.audio-video.riff.php.

References getid3_lib\EmbeddedLookup().

Referenced by getid3_asf\getid3_asf(), getid3_real\getid3_real(), and getid3_riff().

{
$begin = __LINE__;
return getid3_lib::EmbeddedLookup($fourcc, $begin, __LINE__, __FILE__, 'riff-fourcc');
}

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getid3_riff::RIFFparseWAVEFORMATex (   $WaveFormatExData)

Definition at line 1339 of file module.audio-video.riff.php.

References getid3_lib\LittleEndian2Int(), and RIFFwFormatTagLookup().

Referenced by getid3_asf\getid3_asf(), getid3_riff(), and getid3_shorten\getid3_shorten().

{
// 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;
}

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getid3_riff::RIFFparseWavPackHeader (   $WavPackChunkData,
&  $ThisFileInfo 
)

Definition at line 1364 of file module.audio-video.riff.php.

References getid3_lib\LittleEndian2Int().

Referenced by ParseRIFF().

{
// 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;
}

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getid3_riff::RIFFwFormatTagLookup (   $wFormatTag)

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

Definition at line 1424 of file module.audio-video.riff.php.

References getid3_lib\EmbeddedLookup().

Referenced by RIFFparseWAVEFORMATex().

{
$begin = __LINE__;
return getid3_lib::EmbeddedLookup('0x'.str_pad(strtoupper(dechex($wFormatTag)), 4, '0', STR_PAD_LEFT), $begin, __LINE__, __FILE__, 'riff-wFormatTag');
}

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The documentation for this class was generated from the following file: