<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <[email protected]> //
// 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 extends getid3_handler
{
function Analyze() {
$info = &$this->getid3->info;
// initialize these values to an empty array, otherwise they default to NULL
// and you can't append array values to a NULL value
$info['riff'] = array('raw'=>array());
// Shortcuts
$thisfile_riff = &$info['riff'];
$thisfile_riff_raw = &$thisfile_riff['raw'];
$thisfile_audio = &$info['audio'];
$thisfile_video = &$info['video'];
$thisfile_audio_dataformat = &$thisfile_audio['dataformat'];
$thisfile_riff_audio = &$thisfile_riff['audio'];
$thisfile_riff_video = &$thisfile_riff['video'];
$Original['avdataoffset'] = $info['avdataoffset'];
$Original['avdataend'] = $info['avdataend'];
fseek($this->getid3->fp, $info['avdataoffset'], SEEK_SET);
$RIFFheader = fread($this->getid3->fp, 12);
$RIFFsubtype = substr($RIFFheader, 8, 4);
switch (substr($RIFFheader, 0, 4)) {
case 'FORM':
$info['fileformat'] = 'aiff';
$thisfile_riff['header_size'] = $this->EitherEndian2Int(substr($RIFFheader, 4, 4));
$thisfile_riff[$RIFFsubtype] = $this->ParseRIFF($info['avdataoffset'] + 12, $info['avdataoffset'] + $thisfile_riff['header_size']);
break;
case 'RIFF': // AVI, WAV, etc
case 'SDSS': // SDSS is identical to RIFF, just renamed. Used by SmartSound QuickTracks (www.smartsound.com)
case 'RMP3': // RMP3 is identical to RIFF, just renamed. Used by [unknown program] when creating RIFF-MP3s
$info['fileformat'] = 'riff';
$thisfile_riff['header_size'] = $this->EitherEndian2Int(substr($RIFFheader, 4, 4));
if ($RIFFsubtype == 'RMP3') {
// RMP3 is identical to WAVE, just renamed. Used by [unknown program] when creating RIFF-MP3s
$RIFFsubtype = 'WAVE';
}
$thisfile_riff[$RIFFsubtype] = $this->ParseRIFF($info['avdataoffset'] + 12, $info['avdataoffset'] + $thisfile_riff['header_size']);
if (($info['avdataend'] - $info['filesize']) == 1) {
// LiteWave appears to incorrectly *not* pad actual output file
// to nearest WORD boundary so may appear to be short by one
// byte, in which case - skip warning
$info['avdataend'] = $info['filesize'];
}
$nextRIFFoffset = $Original['avdataoffset'] + 8 + $thisfile_riff['header_size']; // 8 = "RIFF" + 32-bit offset
while ($nextRIFFoffset < min($info['filesize'], $info['avdataend'])) {
if (!getid3_lib::intValueSupported($nextRIFFoffset + 1024)) {
$info['error'][] = 'AVI extends beyond '.round(PHP_INT_MAX / 1073741824).'GB and PHP filesystem functions cannot read that far, playtime is probably wrong';
$info['warning'][] = '[avdataend] value may be incorrect, multiple AVIX chunks may be present';
break;
} else {
fseek($this->getid3->fp, $nextRIFFoffset, SEEK_SET);
$nextRIFFheader = fread($this->getid3->fp, 12);
if ($nextRIFFoffset == ($info['avdataend'] - 1)) {
if (substr($nextRIFFheader, 0, 1) == "\x00") {
// RIFF padded to WORD boundary, we're actually already at the end
break;
}
}
$nextRIFFheaderID = substr($nextRIFFheader, 0, 4);
$nextRIFFsize = $this->EitherEndian2Int(substr($nextRIFFheader, 4, 4));
$nextRIFFtype = substr($nextRIFFheader, 8, 4);
$chunkdata = array();
$chunkdata['offset'] = $nextRIFFoffset + 8;
$chunkdata['size'] = $nextRIFFsize;
$nextRIFFoffset = $chunkdata['offset'] + $chunkdata['size'];
switch ($nextRIFFheaderID) {
case 'RIFF':
$info['avdataend'] = $nextRIFFoffset;
if (!getid3_lib::intValueSupported($info['avdataend'])) {
$info['error'][] = 'AVI extends beyond '.round(PHP_INT_MAX / 1073741824).'GB and PHP filesystem functions cannot read that far, playtime is probably wrong';
$info['warning'][] = '[avdataend] value may be incorrect, multiple AVIX chunks may be present';
}
$chunkdata['chunks'] = $this->ParseRIFF($chunkdata['offset'] + 4, $chunkdata['offset'] + $chunkdata['size']);
if (!isset($thisfile_riff[$nextRIFFtype])) {
$thisfile_riff[$nextRIFFtype] = array();
}
$thisfile_riff[$nextRIFFtype][] = $chunkdata;
break;
case 'JUNK':
// ignore
$thisfile_riff[$nextRIFFheaderID][] = $chunkdata;
break;
default:
if ($info['filesize'] == ($chunkdata['offset'] - 8 + 128)) {
$DIVXTAG = $nextRIFFheader.fread($this->getid3->fp, 128 - 12);
if (substr($DIVXTAG, -7) == 'DIVXTAG') {
// DIVXTAG is supposed to be inside an IDVX chunk in a LIST chunk, but some bad encoders just slap it on the end of a file
$info['warning'][] = 'Found wrongly-structured DIVXTAG at offset '.(ftell($this->getid3->fp) - 128 + 12).', parsing anyway';
$thisfile_riff['DIVXTAG'] = $this->ParseDIVXTAG($DIVXTAG);
foreach ($thisfile_riff['DIVXTAG'] as $key => $value) {
if ($value && !preg_match('#_id$#', $key)) {
$thisfile_riff['comments'][$key][] = $value;
}
}
break 2;
}
}
$info['warning'][] = 'expecting "RIFF" or "JUNK" at '.$nextRIFFoffset.', found '.getid3_lib::PrintHexBytes(substr($nextRIFFheader, 0, 4)).' - skipping rest of file';
break 2;
}
}
}
if ($RIFFsubtype == 'WAVE') {
$thisfile_riff_WAVE = &$thisfile_riff['WAVE'];
}
break;
default:
$info['error'][] = 'Cannot parse RIFF (this is maybe not a RIFF / WAV / AVI file?) - expecting "FORM|RIFF|SDSS|RMP3" found "'.$RIFFsubtype.'" instead';
unset($info['fileformat']);
return false;
break;
}
$streamindex = 0;
switch ($RIFFsubtype) {
case 'WAVE':
if (empty($thisfile_audio['bitrate_mode'])) {
$thisfile_audio['bitrate_mode'] = 'cbr';
}
if (empty($thisfile_audio_dataformat)) {
$thisfile_audio_dataformat = 'wav';
}
if (isset($thisfile_riff_WAVE['data'][0]['offset'])) {
$info['avdataoffset'] = $thisfile_riff_WAVE['data'][0]['offset'] + 8;
$info['avdataend'] = $info['avdataoffset'] + $thisfile_riff_WAVE['data'][0]['size'];
}
if (isset($thisfile_riff_WAVE['fmt '][0]['data'])) {
$thisfile_riff_audio[$streamindex] = getid3_riff::RIFFparseWAVEFORMATex($thisfile_riff_WAVE['fmt '][0]['data']);
$thisfile_audio['wformattag'] = $thisfile_riff_audio[$streamindex]['raw']['wFormatTag'];
if (!isset($thisfile_riff_audio[$streamindex]['bitrate']) || ($thisfile_riff_audio[$streamindex]['bitrate'] == 0)) {
$info['error'][] = 'Corrupt RIFF file: bitrate_audio == zero';
return false;
}
$thisfile_riff_raw['fmt '] = $thisfile_riff_audio[$streamindex]['raw'];
unset($thisfile_riff_audio[$streamindex]['raw']);
$thisfile_audio['streams'][$streamindex] = $thisfile_riff_audio[$streamindex];
$thisfile_audio = getid3_lib::array_merge_noclobber($thisfile_audio, $thisfile_riff_audio[$streamindex]);
if (substr($thisfile_audio['codec'], 0, strlen('unknown: 0x')) == 'unknown: 0x') {
$info['warning'][] = 'Audio codec = '.$thisfile_audio['codec'];
}
$thisfile_audio['bitrate'] = $thisfile_riff_audio[$streamindex]['bitrate'];
$info['playtime_seconds'] = (float) ((($info['avdataend'] - $info['avdataoffset']) * 8) / $thisfile_audio['bitrate']);
$thisfile_audio['lossless'] = false;
if (isset($thisfile_riff_WAVE['data'][0]['offset']) && isset($thisfile_riff_raw['fmt ']['wFormatTag'])) {
switch ($thisfile_riff_raw['fmt ']['wFormatTag']) {
case 0x0001: // PCM
$thisfile_audio['lossless'] = true;
break;
case 0x2000: // AC-3
$thisfile_audio_dataformat = 'ac3';
break;
default:
// do nothing
break;
}
}
$thisfile_audio['streams'][$streamindex]['wformattag'] = $thisfile_audio['wformattag'];
$thisfile_audio['streams'][$streamindex]['bitrate_mode'] = $thisfile_audio['bitrate_mode'];
$thisfile_audio['streams'][$streamindex]['lossless'] = $thisfile_audio['lossless'];
$thisfile_audio['streams'][$streamindex]['dataformat'] = $thisfile_audio_dataformat;
}
if (isset($thisfile_riff_WAVE['rgad'][0]['data'])) {
// shortcuts
$rgadData = &$thisfile_riff_WAVE['rgad'][0]['data'];
$thisfile_riff_raw['rgad'] = array('track'=>array(), 'album'=>array());
$thisfile_riff_raw_rgad = &$thisfile_riff_raw['rgad'];
$thisfile_riff_raw_rgad_track = &$thisfile_riff_raw_rgad['track'];
$thisfile_riff_raw_rgad_album = &$thisfile_riff_raw_rgad['album'];
$thisfile_riff_raw_rgad['fPeakAmplitude'] = getid3_lib::LittleEndian2Float(substr($rgadData, 0, 4));
$thisfile_riff_raw_rgad['nRadioRgAdjust'] = $this->EitherEndian2Int(substr($rgadData, 4, 2));
$thisfile_riff_raw_rgad['nAudiophileRgAdjust'] = $this->EitherEndian2Int(substr($rgadData, 6, 2));
$nRadioRgAdjustBitstring = str_pad(getid3_lib::Dec2Bin($thisfile_riff_raw_rgad['nRadioRgAdjust']), 16, '0', STR_PAD_LEFT);
$nAudiophileRgAdjustBitstring = str_pad(getid3_lib::Dec2Bin($thisfile_riff_raw_rgad['nAudiophileRgAdjust']), 16, '0', STR_PAD_LEFT);
$thisfile_riff_raw_rgad_track['name'] = getid3_lib::Bin2Dec(substr($nRadioRgAdjustBitstring, 0, 3));
$thisfile_riff_raw_rgad_track['originator'] = getid3_lib::Bin2Dec(substr($nRadioRgAdjustBitstring, 3, 3));
$thisfile_riff_raw_rgad_track['signbit'] = getid3_lib::Bin2Dec(substr($nRadioRgAdjustBitstring, 6, 1));
$thisfile_riff_raw_rgad_track['adjustment'] = getid3_lib::Bin2Dec(substr($nRadioRgAdjustBitstring, 7, 9));
$thisfile_riff_raw_rgad_album['name'] = getid3_lib::Bin2Dec(substr($nAudiophileRgAdjustBitstring, 0, 3));
$thisfile_riff_raw_rgad_album['originator'] = getid3_lib::Bin2Dec(substr($nAudiophileRgAdjustBitstring, 3, 3));
$thisfile_riff_raw_rgad_album['signbit'] = getid3_lib::Bin2Dec(substr($nAudiophileRgAdjustBitstring, 6, 1));
$thisfile_riff_raw_rgad_album['adjustment'] = getid3_lib::Bin2Dec(substr($nAudiophileRgAdjustBitstring, 7, 9));
$thisfile_riff['rgad']['peakamplitude'] = $thisfile_riff_raw_rgad['fPeakAmplitude'];
if (($thisfile_riff_raw_rgad_track['name'] != 0) && ($thisfile_riff_raw_rgad_track['originator'] != 0)) {
$thisfile_riff['rgad']['track']['name'] = getid3_lib::RGADnameLookup($thisfile_riff_raw_rgad_track['name']);
$thisfile_riff['rgad']['track']['originator'] = getid3_lib::RGADoriginatorLookup($thisfile_riff_raw_rgad_track['originator']);
$thisfile_riff['rgad']['track']['adjustment'] = getid3_lib::RGADadjustmentLookup($thisfile_riff_raw_rgad_track['adjustment'], $thisfile_riff_raw_rgad_track['signbit']);
}
if (($thisfile_riff_raw_rgad_album['name'] != 0) && ($thisfile_riff_raw_rgad_album['originator'] != 0)) {
$thisfile_riff['rgad']['album']['name'] = getid3_lib::RGADnameLookup($thisfile_riff_raw_rgad_album['name']);
$thisfile_riff['rgad']['album']['originator'] = getid3_lib::RGADoriginatorLookup($thisfile_riff_raw_rgad_album['originator']);
$thisfile_riff['rgad']['album']['adjustment'] = getid3_lib::RGADadjustmentLookup($thisfile_riff_raw_rgad_album['adjustment'], $thisfile_riff_raw_rgad_album['signbit']);
}
}
if (isset($thisfile_riff_WAVE['fact'][0]['data'])) {
$thisfile_riff_raw['fact']['NumberOfSamples'] = $this->EitherEndian2Int(substr($thisfile_riff_WAVE['fact'][0]['data'], 0, 4));
// This should be a good way of calculating exact playtime,
// but some sample files have had incorrect number of samples,
// so cannot use this method
// if (!empty($thisfile_riff_raw['fmt ']['nSamplesPerSec'])) {
// $info['playtime_seconds'] = (float) $thisfile_riff_raw['fact']['NumberOfSamples'] / $thisfile_riff_raw['fmt ']['nSamplesPerSec'];
// }
}
if (!empty($thisfile_riff_raw['fmt ']['nAvgBytesPerSec'])) {
$thisfile_audio['bitrate'] = getid3_lib::CastAsInt($thisfile_riff_raw['fmt ']['nAvgBytesPerSec'] * 8);
}
if (isset($thisfile_riff_WAVE['bext'][0]['data'])) {
// shortcut
$thisfile_riff_WAVE_bext_0 = &$thisfile_riff_WAVE['bext'][0];
$thisfile_riff_WAVE_bext_0['title'] = trim(substr($thisfile_riff_WAVE_bext_0['data'], 0, 256));
$thisfile_riff_WAVE_bext_0['author'] = trim(substr($thisfile_riff_WAVE_bext_0['data'], 256, 32));
$thisfile_riff_WAVE_bext_0['reference'] = trim(substr($thisfile_riff_WAVE_bext_0['data'], 288, 32));
$thisfile_riff_WAVE_bext_0['origin_date'] = substr($thisfile_riff_WAVE_bext_0['data'], 320, 10);
$thisfile_riff_WAVE_bext_0['origin_time'] = substr($thisfile_riff_WAVE_bext_0['data'], 330, 8);
$thisfile_riff_WAVE_bext_0['time_reference'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_bext_0['data'], 338, 8));
$thisfile_riff_WAVE_bext_0['bwf_version'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_bext_0['data'], 346, 1));
$thisfile_riff_WAVE_bext_0['reserved'] = substr($thisfile_riff_WAVE_bext_0['data'], 347, 254);
$thisfile_riff_WAVE_bext_0['coding_history'] = explode("\r\n", trim(substr($thisfile_riff_WAVE_bext_0['data'], 601)));
if (preg_match('#^([0-9]{4}).([0-9]{2}).([0-9]{2})$#', $thisfile_riff_WAVE_bext_0['origin_date'], $matches_bext_date)) {
if (preg_match('#^([0-9]{2}).([0-9]{2}).([0-9]{2})$#', $thisfile_riff_WAVE_bext_0['origin_time'], $matches_bext_time)) {
list($dummy, $bext_timestamp['year'], $bext_timestamp['month'], $bext_timestamp['day']) = $matches_bext_date;
list($dummy, $bext_timestamp['hour'], $bext_timestamp['minute'], $bext_timestamp['second']) = $matches_bext_time;
$thisfile_riff_WAVE_bext_0['origin_date_unix'] = gmmktime($bext_timestamp['hour'], $bext_timestamp['minute'], $bext_timestamp['second'], $bext_timestamp['month'], $bext_timestamp['day'], $bext_timestamp['year']);
} else {
$info['warning'][] = 'RIFF.WAVE.BEXT.origin_time is invalid';
}
} else {
$info['warning'][] = 'RIFF.WAVE.BEXT.origin_date is invalid';
}
$thisfile_riff['comments']['author'][] = $thisfile_riff_WAVE_bext_0['author'];
$thisfile_riff['comments']['title'][] = $thisfile_riff_WAVE_bext_0['title'];
}
if (isset($thisfile_riff_WAVE['MEXT'][0]['data'])) {
// shortcut
$thisfile_riff_WAVE_MEXT_0 = &$thisfile_riff_WAVE['MEXT'][0];
$thisfile_riff_WAVE_MEXT_0['raw']['sound_information'] = getid3_lib::LittleEndian2Int(substr($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_riff_WAVE['SNDM'][0]['data'])) {
// SoundMiner metadata
// shortcuts
$thisfile_riff_WAVE_SNDM_0 = &$thisfile_riff_WAVE['SNDM'][0];
$thisfile_riff_WAVE_SNDM_0_data = &$thisfile_riff_WAVE_SNDM_0['data'];
$SNDM_startoffset = 0;
$SNDM_endoffset = $thisfile_riff_WAVE_SNDM_0['size'];
while ($SNDM_startoffset < $SNDM_endoffset) {
$SNDM_thisTagOffset = 0;
$SNDM_thisTagSize = getid3_lib::BigEndian2Int(substr($thisfile_riff_WAVE_SNDM_0_data, $SNDM_startoffset + $SNDM_thisTagOffset, 4));
$SNDM_thisTagOffset += 4;
$SNDM_thisTagKey = substr($thisfile_riff_WAVE_SNDM_0_data, $SNDM_startoffset + $SNDM_thisTagOffset, 4);
$SNDM_thisTagOffset += 4;
$SNDM_thisTagDataSize = getid3_lib::BigEndian2Int(substr($thisfile_riff_WAVE_SNDM_0_data, $SNDM_startoffset + $SNDM_thisTagOffset, 2));
$SNDM_thisTagOffset += 2;
$SNDM_thisTagDataFlags = getid3_lib::BigEndian2Int(substr($thisfile_riff_WAVE_SNDM_0_data, $SNDM_startoffset + $SNDM_thisTagOffset, 2));
$SNDM_thisTagOffset += 2;
$SNDM_thisTagDataText = substr($thisfile_riff_WAVE_SNDM_0_data, $SNDM_startoffset + $SNDM_thisTagOffset, $SNDM_thisTagDataSize);
$SNDM_thisTagOffset += $SNDM_thisTagDataSize;
if ($SNDM_thisTagSize != (4 + 4 + 2 + 2 + $SNDM_thisTagDataSize)) {
$info['warning'][] = 'RIFF.WAVE.SNDM.data contains tag not expected length (expected: '.$SNDM_thisTagSize.', found: '.(4 + 4 + 2 + 2 + $SNDM_thisTagDataSize).') at offset '.$SNDM_startoffset.' (file offset '.($thisfile_riff_WAVE_SNDM_0['offset'] + $SNDM_startoffset).')';
break;
} elseif ($SNDM_thisTagSize <= 0) {
$info['warning'][] = 'RIFF.WAVE.SNDM.data contains zero-size tag at offset '.$SNDM_startoffset.' (file offset '.($thisfile_riff_WAVE_SNDM_0['offset'] + $SNDM_startoffset).')';
break;
}
$SNDM_startoffset += $SNDM_thisTagSize;
$thisfile_riff_WAVE_SNDM_0['parsed_raw'][$SNDM_thisTagKey] = $SNDM_thisTagDataText;
if ($parsedkey = $this->RIFFwaveSNDMtagLookup($SNDM_thisTagKey)) {
$thisfile_riff_WAVE_SNDM_0['parsed'][$parsedkey] = $SNDM_thisTagDataText;
} else {
$info['warning'][] = 'RIFF.WAVE.SNDM contains unknown tag "'.$SNDM_thisTagKey.'" at offset '.$SNDM_startoffset.' (file offset '.($thisfile_riff_WAVE_SNDM_0['offset'] + $SNDM_startoffset).')';
}
}
$tagmapping = array(
'tracktitle'=>'title',
'category' =>'genre',
'cdtitle' =>'album',
'tracktitle'=>'title',
);
foreach ($tagmapping as $fromkey => $tokey) {
if (isset($thisfile_riff_WAVE_SNDM_0['parsed'][$fromkey])) {
$thisfile_riff['comments'][$tokey][] = $thisfile_riff_WAVE_SNDM_0['parsed'][$fromkey];
}
}
}
if (isset($thisfile_riff_WAVE['iXML'][0]['data'])) {
// requires functions simplexml_load_string and get_object_vars
if ($parsedXML = getid3_lib::XML2array($thisfile_riff_WAVE['iXML'][0]['data'])) {
$thisfile_riff_WAVE['iXML'][0]['parsed'] = $parsedXML;
if (isset($parsedXML['SPEED']['MASTER_SPEED'])) {
@list($numerator, $denominator) = explode('/', $parsedXML['SPEED']['MASTER_SPEED']);
$thisfile_riff_WAVE['iXML'][0]['master_speed'] = $numerator / ($denominator ? $denominator : 1000);
}
if (isset($parsedXML['SPEED']['TIMECODE_RATE'])) {
@list($numerator, $denominator) = explode('/', $parsedXML['SPEED']['TIMECODE_RATE']);
$thisfile_riff_WAVE['iXML'][0]['timecode_rate'] = $numerator / ($denominator ? $denominator : 1000);
}
if (isset($parsedXML['SPEED']['TIMESTAMP_SAMPLES_SINCE_MIDNIGHT_LO']) && !empty($parsedXML['SPEED']['TIMESTAMP_SAMPLE_RATE']) && !empty($thisfile_riff_WAVE['iXML'][0]['timecode_rate'])) {
$samples_since_midnight = floatval(ltrim($parsedXML['SPEED']['TIMESTAMP_SAMPLES_SINCE_MIDNIGHT_HI'].$parsedXML['SPEED']['TIMESTAMP_SAMPLES_SINCE_MIDNIGHT_LO'], '0'));
$thisfile_riff_WAVE['iXML'][0]['timecode_seconds'] = $samples_since_midnight / $parsedXML['SPEED']['TIMESTAMP_SAMPLE_RATE'];
$h = floor( $thisfile_riff_WAVE['iXML'][0]['timecode_seconds'] / 3600);
$m = floor(($thisfile_riff_WAVE['iXML'][0]['timecode_seconds'] - ($h * 3600)) / 60);
$s = floor( $thisfile_riff_WAVE['iXML'][0]['timecode_seconds'] - ($h * 3600) - ($m * 60));
$f = ($thisfile_riff_WAVE['iXML'][0]['timecode_seconds'] - ($h * 3600) - ($m * 60) - $s) * $thisfile_riff_WAVE['iXML'][0]['timecode_rate'];
$thisfile_riff_WAVE['iXML'][0]['timecode_string'] = sprintf('%02d:%02d:%02d:%05.2f', $h, $m, $s, $f);
$thisfile_riff_WAVE['iXML'][0]['timecode_string_round'] = sprintf('%02d:%02d:%02d:%02d', $h, $m, $s, round($f));
}
unset($parsedXML);
}
}
if (!isset($thisfile_audio['bitrate']) && isset($thisfile_riff_audio[$streamindex]['bitrate'])) {
$thisfile_audio['bitrate'] = $thisfile_riff_audio[$streamindex]['bitrate'];
$info['playtime_seconds'] = (float) ((($info['avdataend'] - $info['avdataoffset']) * 8) / $thisfile_audio['bitrate']);
}
if (!empty($info['wavpack'])) {
$thisfile_audio_dataformat = 'wavpack';
$thisfile_audio['bitrate_mode'] = 'vbr';
$thisfile_audio['encoder'] = 'WavPack v'.$info['wavpack']['version'];
// Reset to the way it was - RIFF parsing will have messed this up
$info['avdataend'] = $Original['avdataend'];
$thisfile_audio['bitrate'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / $info['playtime_seconds'];
fseek($this->getid3->fp, $info['avdataoffset'] - 44, SEEK_SET);
$RIFFdata = fread($this->getid3->fp, 44);
$OrignalRIFFheaderSize = getid3_lib::LittleEndian2Int(substr($RIFFdata, 4, 4)) + 8;
$OrignalRIFFdataSize = getid3_lib::LittleEndian2Int(substr($RIFFdata, 40, 4)) + 44;
if ($OrignalRIFFheaderSize > $OrignalRIFFdataSize) {
$info['avdataend'] -= ($OrignalRIFFheaderSize - $OrignalRIFFdataSize);
fseek($this->getid3->fp, $info['avdataend'], SEEK_SET);
$RIFFdata .= fread($this->getid3->fp, $OrignalRIFFheaderSize - $OrignalRIFFdataSize);
}
// move the data chunk after all other chunks (if any)
// so that the RIFF parser doesn't see EOF when trying
// to skip over the data chunk
$RIFFdata = substr($RIFFdata, 0, 36).substr($RIFFdata, 44).substr($RIFFdata, 36, 8);
$getid3_riff = new getid3_riff($this->getid3);
$getid3_riff->ParseRIFFdata($RIFFdata);
unset($getid3_riff);
}
if (isset($thisfile_riff_raw['fmt ']['wFormatTag'])) {
switch ($thisfile_riff_raw['fmt ']['wFormatTag']) {
case 0x0001: // PCM
if (!empty($info['ac3'])) {
// Dolby Digital WAV files masquerade as PCM-WAV, but they're not
$thisfile_audio['wformattag'] = 0x2000;
$thisfile_audio['codec'] = $this->RIFFwFormatTagLookup($thisfile_audio['wformattag']);
$thisfile_audio['lossless'] = false;
$thisfile_audio['bitrate'] = $info['ac3']['bitrate'];
$thisfile_audio['sample_rate'] = $info['ac3']['sample_rate'];
}
break;
case 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 ($info['avdataend'] > $info['filesize']) {
switch (!empty($thisfile_audio_dataformat) ? $thisfile_audio_dataformat : '') {
case 'wavpack': // WavPack
case 'lpac': // LPAC
case 'ofr': // OptimFROG
case 'ofs': // OptimFROG DualStream
// lossless compressed audio formats that keep original RIFF headers - skip warning
break;
case 'litewave':
if (($info['avdataend'] - $info['filesize']) == 1) {
// LiteWave appears to incorrectly *not* pad actual output file
// to nearest WORD boundary so may appear to be short by one
// byte, in which case - skip warning
} else {
// Short by more than one byte, throw warning
$info['warning'][] = 'Probably truncated file - expecting '.$thisfile_riff[$RIFFsubtype]['data'][0]['size'].' bytes of data, only found '.($info['filesize'] - $info['avdataoffset']).' (short by '.($thisfile_riff[$RIFFsubtype]['data'][0]['size'] - ($info['filesize'] - $info['avdataoffset'])).' bytes)';
$info['avdataend'] = $info['filesize'];
}
break;
default:
if ((($info['avdataend'] - $info['filesize']) == 1) && (($thisfile_riff[$RIFFsubtype]['data'][0]['size'] % 2) == 0) && ((($info['filesize'] - $info['avdataoffset']) % 2) == 1)) {
// output file appears to be incorrectly *not* padded to nearest WORD boundary
// Output less severe warning
$info['warning'][] = 'File should probably be padded to nearest WORD boundary, but it is not (expecting '.$thisfile_riff[$RIFFsubtype]['data'][0]['size'].' bytes of data, only found '.($info['filesize'] - $info['avdataoffset']).' therefore short by '.($thisfile_riff[$RIFFsubtype]['data'][0]['size'] - ($info['filesize'] - $info['avdataoffset'])).' bytes)';
$info['avdataend'] = $info['filesize'];
} else {
// Short by more than one byte, throw warning
$info['warning'][] = 'Probably truncated file - expecting '.$thisfile_riff[$RIFFsubtype]['data'][0]['size'].' bytes of data, only found '.($info['filesize'] - $info['avdataoffset']).' (short by '.($thisfile_riff[$RIFFsubtype]['data'][0]['size'] - ($info['filesize'] - $info['avdataoffset'])).' bytes)';
$info['avdataend'] = $info['filesize'];
}
break;
}
}
if (!empty($info['mpeg']['audio']['LAME']['audio_bytes'])) {
if ((($info['avdataend'] - $info['avdataoffset']) - $info['mpeg']['audio']['LAME']['audio_bytes']) == 1) {
$info['avdataend']--;
$info['warning'][] = 'Extra null byte at end of MP3 data assumed to be RIFF padding and therefore ignored';
}
}
if (isset($thisfile_audio_dataformat) && ($thisfile_audio_dataformat == 'ac3')) {
unset($thisfile_audio['bits_per_sample']);
if (!empty($info['ac3']['bitrate']) && ($info['ac3']['bitrate'] != $thisfile_audio['bitrate'])) {
$thisfile_audio['bitrate'] = $info['ac3']['bitrate'];
}
}
break;
case 'AVI ':
$thisfile_video['bitrate_mode'] = 'vbr'; // maybe not, but probably
$thisfile_video['dataformat'] = 'avi';
$info['mime_type'] = 'video/avi';
if (isset($thisfile_riff[$RIFFsubtype]['movi']['offset'])) {
$info['avdataoffset'] = $thisfile_riff[$RIFFsubtype]['movi']['offset'] + 8;
if (isset($thisfile_riff['AVIX'])) {
$info['avdataend'] = $thisfile_riff['AVIX'][(count($thisfile_riff['AVIX']) - 1)]['chunks']['movi']['offset'] + $thisfile_riff['AVIX'][(count($thisfile_riff['AVIX']) - 1)]['chunks']['movi']['size'];
} else {
$info['avdataend'] = $thisfile_riff['AVI ']['movi']['offset'] + $thisfile_riff['AVI ']['movi']['size'];
}
if ($info['avdataend'] > $info['filesize']) {
$info['warning'][] = 'Probably truncated file - expecting '.($info['avdataend'] - $info['avdataoffset']).' bytes of data, only found '.($info['filesize'] - $info['avdataoffset']).' (short by '.($info['avdataend'] - $info['filesize']).' bytes)';
$info['avdataend'] = $info['filesize'];
}
}
if (isset($thisfile_riff['AVI ']['hdrl']['strl']['indx'])) {
//$bIndexType = array(
// 0x00 => 'AVI_INDEX_OF_INDEXES',
// 0x01 => 'AVI_INDEX_OF_CHUNKS',
// 0x80 => 'AVI_INDEX_IS_DATA',
//);
//$bIndexSubtype = array(
// 0x01 => array(
// 0x01 => 'AVI_INDEX_2FIELD',
// ),
//);
foreach ($thisfile_riff['AVI ']['hdrl']['strl']['indx'] as $streamnumber => $steamdataarray) {
$thisfile_riff_avi_hdrl_strl_indx_stream_data = &$thisfile_riff['AVI ']['hdrl']['strl']['indx'][$streamnumber]['data'];
$thisfile_riff_raw['indx'][$streamnumber]['wLongsPerEntry'] = $this->EitherEndian2Int(substr($thisfile_riff_avi_hdrl_strl_indx_stream_data, 0, 2));
$thisfile_riff_raw['indx'][$streamnumber]['bIndexSubType'] = $this->EitherEndian2Int(substr($thisfile_riff_avi_hdrl_strl_indx_stream_data, 2, 1));
$thisfile_riff_raw['indx'][$streamnumber]['bIndexType'] = $this->EitherEndian2Int(substr($thisfile_riff_avi_hdrl_strl_indx_stream_data, 3, 1));
$thisfile_riff_raw['indx'][$streamnumber]['nEntriesInUse'] = $this->EitherEndian2Int(substr($thisfile_riff_avi_hdrl_strl_indx_stream_data, 4, 4));
$thisfile_riff_raw['indx'][$streamnumber]['dwChunkId'] = substr($thisfile_riff_avi_hdrl_strl_indx_stream_data, 8, 4);
$thisfile_riff_raw['indx'][$streamnumber]['dwReserved'] = $this->EitherEndian2Int(substr($thisfile_riff_avi_hdrl_strl_indx_stream_data, 12, 4));
//$thisfile_riff_raw['indx'][$streamnumber]['bIndexType_name'] = $bIndexType[$thisfile_riff_raw['indx'][$streamnumber]['bIndexType']];
//$thisfile_riff_raw['indx'][$streamnumber]['bIndexSubType_name'] = $bIndexSubtype[$thisfile_riff_raw['indx'][$streamnumber]['bIndexType']][$thisfile_riff_raw['indx'][$streamnumber]['bIndexSubType']];
unset($thisfile_riff_avi_hdrl_strl_indx_stream_data);
}
}
if (isset($thisfile_riff['AVI ']['hdrl']['avih'][$streamindex]['data'])) {
$avihData = $thisfile_riff['AVI ']['hdrl']['avih'][$streamindex]['data'];
// shortcut
$thisfile_riff_raw['avih'] = array();
$thisfile_riff_raw_avih = &$thisfile_riff_raw['avih'];
$thisfile_riff_raw_avih['dwMicroSecPerFrame'] = $this->EitherEndian2Int(substr($avihData, 0, 4)); // frame display rate (or 0L)
if ($thisfile_riff_raw_avih['dwMicroSecPerFrame'] == 0) {
$info['error'][] = 'Corrupt RIFF file: avih.dwMicroSecPerFrame == zero';
return false;
}
$thisfile_riff_raw_avih['dwMaxBytesPerSec'] = $this->EitherEndian2Int(substr($avihData, 4, 4)); // max. transfer rate
$thisfile_riff_raw_avih['dwPaddingGranularity'] = $this->EitherEndian2Int(substr($avihData, 8, 4)); // pad to multiples of this size; normally 2K.
$thisfile_riff_raw_avih['dwFlags'] = $this->EitherEndian2Int(substr($avihData, 12, 4)); // the ever-present flags
$thisfile_riff_raw_avih['dwTotalFrames'] = $this->EitherEndian2Int(substr($avihData, 16, 4)); // # frames in file
$thisfile_riff_raw_avih['dwInitialFrames'] = $this->EitherEndian2Int(substr($avihData, 20, 4));
$thisfile_riff_raw_avih['dwStreams'] = $this->EitherEndian2Int(substr($avihData, 24, 4));
$thisfile_riff_raw_avih['dwSuggestedBufferSize'] = $this->EitherEndian2Int(substr($avihData, 28, 4));
$thisfile_riff_raw_avih['dwWidth'] = $this->EitherEndian2Int(substr($avihData, 32, 4));
$thisfile_riff_raw_avih['dwHeight'] = $this->EitherEndian2Int(substr($avihData, 36, 4));
$thisfile_riff_raw_avih['dwScale'] = $this->EitherEndian2Int(substr($avihData, 40, 4));
$thisfile_riff_raw_avih['dwRate'] = $this->EitherEndian2Int(substr($avihData, 44, 4));
$thisfile_riff_raw_avih['dwStart'] = $this->EitherEndian2Int(substr($avihData, 48, 4));
$thisfile_riff_raw_avih['dwLength'] = $this->EitherEndian2Int(substr($avihData, 52, 4));
$thisfile_riff_raw_avih['flags']['hasindex'] = (bool) ($thisfile_riff_raw_avih['dwFlags'] & 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'] = $this->EitherEndian2Int(substr($strhData, 8, 4)); // Contains AVITF_* flags
$thisfile_riff_raw_strh_current['wPriority'] = $this->EitherEndian2Int(substr($strhData, 12, 2));
$thisfile_riff_raw_strh_current['wLanguage'] = $this->EitherEndian2Int(substr($strhData, 14, 2));
$thisfile_riff_raw_strh_current['dwInitialFrames'] = $this->EitherEndian2Int(substr($strhData, 16, 4));
$thisfile_riff_raw_strh_current['dwScale'] = $this->EitherEndian2Int(substr($strhData, 20, 4));
$thisfile_riff_raw_strh_current['dwRate'] = $this->EitherEndian2Int(substr($strhData, 24, 4));
$thisfile_riff_raw_strh_current['dwStart'] = $this->EitherEndian2Int(substr($strhData, 28, 4));
$thisfile_riff_raw_strh_current['dwLength'] = $this->EitherEndian2Int(substr($strhData, 32, 4));
$thisfile_riff_raw_strh_current['dwSuggestedBufferSize'] = $this->EitherEndian2Int(substr($strhData, 36, 4));
$thisfile_riff_raw_strh_current['dwQuality'] = $this->EitherEndian2Int(substr($strhData, 40, 4));
$thisfile_riff_raw_strh_current['dwSampleSize'] = $this->EitherEndian2Int(substr($strhData, 44, 4));
$thisfile_riff_raw_strh_current['rcFrame'] = $this->EitherEndian2Int(substr($strhData, 48, 4));
$thisfile_riff_video_current['codec'] = getid3_riff::RIFFfourccLookup($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), ($info['fileformat'] == 'riff'));
//echo '<pre>'.print_r($thisfile_riff_raw_strf_strhfccType_streamindex, true).'</pre>';
$thisfile_video['bits_per_sample'] = $thisfile_riff_raw_strf_strhfccType_streamindex['biBitCount'];
if ($thisfile_riff_video_current['codec'] == 'DV') {
$thisfile_riff_video_current['dv_type'] = 2;
}
break;
case 'iavs':
$thisfile_riff_video_current['dv_type'] = 1;
break;
}
break;
default:
$info['warning'][] = 'Unhandled fccType for stream ('.$i.'): "'.$strhfccType.'"';
break;
}
}
}
if (isset($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc'])) {
$thisfile_video['fourcc'] = $thisfile_riff_raw_strf_strhfccType_streamindex['fourcc'];
if (getid3_riff::RIFFfourccLookup($thisfile_video['fourcc'])) {
$thisfile_riff_video_current['codec'] = getid3_riff::RIFFfourccLookup($thisfile_video['fourcc']);
$thisfile_video['codec'] = $thisfile_riff_video_current['codec'];
}
switch ($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc']) {
case 'HFYU': // Huffman Lossless Codec
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';
$thisfile_audio['lossless'] = true;
unset($info['mime_type']);
$info['avdataoffset'] = 44;
if (isset($thisfile_riff['CDDA']['fmt '][0]['data'])) {
// shortcut
$thisfile_riff_CDDA_fmt_0 = &$thisfile_riff['CDDA']['fmt '][0];
$thisfile_riff_CDDA_fmt_0['unknown1'] = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'], 0, 2));
$thisfile_riff_CDDA_fmt_0['track_num'] = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'], 2, 2));
$thisfile_riff_CDDA_fmt_0['disc_id'] = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'], 4, 4));
$thisfile_riff_CDDA_fmt_0['start_offset_frame'] = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'], 8, 4));
$thisfile_riff_CDDA_fmt_0['playtime_frames'] = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'], 12, 4));
$thisfile_riff_CDDA_fmt_0['unknown6'] = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'], 16, 4));
$thisfile_riff_CDDA_fmt_0['unknown7'] = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'], 20, 4));
$thisfile_riff_CDDA_fmt_0['start_offset_seconds'] = (float) $thisfile_riff_CDDA_fmt_0['start_offset_frame'] / 75;
$thisfile_riff_CDDA_fmt_0['playtime_seconds'] = (float) $thisfile_riff_CDDA_fmt_0['playtime_frames'] / 75;
$info['comments']['track'] = $thisfile_riff_CDDA_fmt_0['track_num'];
$info['playtime_seconds'] = $thisfile_riff_CDDA_fmt_0['playtime_seconds'];
// hardcoded data for CD-audio
$thisfile_audio['sample_rate'] = 44100;
$thisfile_audio['channels'] = 2;
$thisfile_audio['bits_per_sample'] = 16;
$thisfile_audio['bitrate'] = $thisfile_audio['sample_rate'] * $thisfile_audio['channels'] * $thisfile_audio['bits_per_sample'];
$thisfile_audio['bitrate_mode'] = 'cbr';
}
break;
case 'AIFF':
case 'AIFC':
$thisfile_audio['bitrate_mode'] = 'cbr';
$thisfile_audio_dataformat = 'aiff';
$thisfile_audio['lossless'] = true;
$info['mime_type'] = 'audio/x-aiff';
if (isset($thisfile_riff[$RIFFsubtype]['SSND'][0]['offset'])) {
$info['avdataoffset'] = $thisfile_riff[$RIFFsubtype]['SSND'][0]['offset'] + 8;
$info['avdataend'] = $info['avdataoffset'] + $thisfile_riff[$RIFFsubtype]['SSND'][0]['size'];
if ($info['avdataend'] > $info['filesize']) {
if (($info['avdataend'] == ($info['filesize'] + 1)) && (($info['filesize'] % 2) == 1)) {
// structures rounded to 2-byte boundary, but dumb encoders
// forget to pad end of file to make this actually work
} else {
$info['warning'][] = 'Probable truncated AIFF file: expecting '.$thisfile_riff[$RIFFsubtype]['SSND'][0]['size'].' bytes of audio data, only '.($info['filesize'] - $info['avdataoffset']).' bytes found';
}
$info['avdataend'] = $info['filesize'];
}
}
if (isset($thisfile_riff[$RIFFsubtype]['COMM'][0]['data'])) {
// shortcut
$thisfile_riff_RIFFsubtype_COMM_0_data = &$thisfile_riff[$RIFFsubtype]['COMM'][0]['data'];
$thisfile_riff_audio['channels'] = getid3_lib::BigEndian2Int(substr($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) {
$info['error'][] = 'Corrupted AIFF file: sample_rate == zero';
return false;
}
$info['playtime_seconds'] = $thisfile_riff_audio['total_samples'] / $thisfile_audio['sample_rate'];
}
if (isset($thisfile_riff[$RIFFsubtype]['COMT'])) {
$offset = 0;
$CommentCount = getid3_lib::BigEndian2Int(substr($thisfile_riff[$RIFFsubtype]['COMT'][0]['data'], $offset, 2), false);
$offset += 2;
for ($i = 0; $i < $CommentCount; $i++) {
$info['comments_raw'][$i]['timestamp'] = getid3_lib::BigEndian2Int(substr($thisfile_riff[$RIFFsubtype]['COMT'][0]['data'], $offset, 4), false);
$offset += 4;
$info['comments_raw'][$i]['marker_id'] = getid3_lib::BigEndian2Int(substr($thisfile_riff[$RIFFsubtype]['COMT'][0]['data'], $offset, 2), true);
$offset += 2;
$CommentLength = getid3_lib::BigEndian2Int(substr($thisfile_riff[$RIFFsubtype]['COMT'][0]['data'], $offset, 2), false);
$offset += 2;
$info['comments_raw'][$i]['comment'] = substr($thisfile_riff[$RIFFsubtype]['COMT'][0]['data'], $offset, $CommentLength);
$offset += $CommentLength;
$info['comments_raw'][$i]['timestamp_unix'] = getid3_lib::DateMac2Unix($info['comments_raw'][$i]['timestamp']);
$thisfile_riff['comments']['comment'][] = $info['comments_raw'][$i]['comment'];
}
}
$CommentsChunkNames = array('NAME'=>'title', 'author'=>'artist', '(c) '=>'copyright', 'ANNO'=>'comment');
foreach ($CommentsChunkNames as $key => $value) {
if (isset($thisfile_riff[$RIFFsubtype][$key][0]['data'])) {
$thisfile_riff['comments'][$value][] = $thisfile_riff[$RIFFsubtype][$key][0]['data'];
}
}
if (isset($thisfile_riff[$RIFFsubtype]['ID3 '])) {
getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.id3v2.php', __FILE__, true);
$getid3_temp = new getID3();
$getid3_temp->openfile($this->getid3->filename);
$getid3_id3v2 = new getid3_id3v2($getid3_temp);
$getid3_id3v2->StartingOffset = $thisfile_riff[$RIFFsubtype]['ID3 '][0]['offset'] + 8;
if ($thisfile_riff[$RIFFsubtype]['ID3 '][0]['valid'] = $getid3_id3v2->Analyze()) {
$info['id3v2'] = $getid3_temp->info['id3v2'];
}
unset($getid3_temp, $getid3_id3v2);
}
break;
case '8SVX':
$thisfile_audio['bitrate_mode'] = 'cbr';
$thisfile_audio_dataformat = '8svx';
$thisfile_audio['bits_per_sample'] = 8;
$thisfile_audio['channels'] = 1; // overridden below, if need be
$info['mime_type'] = 'audio/x-aiff';
if (isset($thisfile_riff[$RIFFsubtype]['BODY'][0]['offset'])) {
$info['avdataoffset'] = $thisfile_riff[$RIFFsubtype]['BODY'][0]['offset'] + 8;
$info['avdataend'] = $info['avdataoffset'] + $thisfile_riff[$RIFFsubtype]['BODY'][0]['size'];
if ($info['avdataend'] > $info['filesize']) {
$info['warning'][] = 'Probable truncated AIFF file: expecting '.$thisfile_riff[$RIFFsubtype]['BODY'][0]['size'].' bytes of audio data, only '.($info['filesize'] - $info['avdataoffset']).' bytes found';
}
}
if (isset($thisfile_riff[$RIFFsubtype]['VHDR'][0]['offset'])) {
// shortcut
$thisfile_riff_RIFFsubtype_VHDR_0 = &$thisfile_riff[$RIFFsubtype]['VHDR'][0];
$thisfile_riff_RIFFsubtype_VHDR_0['oneShotHiSamples'] = getid3_lib::BigEndian2Int(substr($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:
$info['warning'][] = 'Unexpected sCompression value in 8SVX.VHDR chunk - expecting 0 or 1, found "'.sCompression.'"';
break;
}
}
if (isset($thisfile_riff[$RIFFsubtype]['CHAN'][0]['data'])) {
$ChannelsIndex = getid3_lib::BigEndian2Int(substr($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:
$info['warning'][] = 'Unexpected value in 8SVX.CHAN chunk - expecting 2 or 4 or 6, found "'.$ChannelsIndex.'"';
break;
}
}
$CommentsChunkNames = array('NAME'=>'title', 'author'=>'artist', '(c) '=>'copyright', 'ANNO'=>'comment');
foreach ($CommentsChunkNames as $key => $value) {
if (isset($thisfile_riff[$RIFFsubtype][$key][0]['data'])) {
$thisfile_riff['comments'][$value][] = $thisfile_riff[$RIFFsubtype][$key][0]['data'];
}
}
$thisfile_audio['bitrate'] = $thisfile_audio['sample_rate'] * $ActualBitsPerSample * $thisfile_audio['channels'];
if (!empty($thisfile_audio['bitrate'])) {
$info['playtime_seconds'] = ($info['avdataend'] - $info['avdataoffset']) / ($thisfile_audio['bitrate'] / 8);
}
break;
case 'CDXA':
$info['mime_type'] = 'video/mpeg';
if (!empty($thisfile_riff['CDXA']['data'][0]['size'])) {
if (getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio-video.mpeg.php', __FILE__, false)) {
$getid3_temp = new getID3();
$getid3_temp->openfile($this->getid3->filename);
$getid3_mpeg = new getid3_mpeg($getid3_temp);
$getid3_mpeg->Analyze();
if (empty($getid3_temp->info['error'])) {
$info['audio'] = $getid3_temp->info['audio'];
$info['video'] = $getid3_temp->info['video'];
$info['mpeg'] = $getid3_temp->info['mpeg'];
$info['warning'] = $getid3_temp->info['warning'];
}
unset($getid3_temp, $getid3_mpeg);
}
}
break;
default:
$info['error'][] = 'Unknown RIFF type: expecting one of (WAVE|RMP3|AVI |CDDA|AIFF|AIFC|8SVX|CDXA), found "'.$RIFFsubtype.'" instead';
unset($info['fileformat']);
break;
}
if (isset($thisfile_riff_raw['fmt ']['wFormatTag']) && ($thisfile_riff_raw['fmt ']['wFormatTag'] == 1)) {
// http://www.mega-nerd.com/erikd/Blog/Windiots/dts.html
fseek($this->getid3->fp, $info['avdataoffset'], SEEK_SET);
$FirstFourBytes = fread($this->getid3->fp, 4);
if (preg_match('/^\xFF\x1F\x00\xE8/s', $FirstFourBytes)) {
// DTSWAV
$thisfile_audio_dataformat = 'dts';
} elseif (preg_match('/^\x7F\xFF\x80\x01/s', $FirstFourBytes)) {
// DTS, but this probably shouldn't happen
$thisfile_audio_dataformat = 'dts';
}
}
if (isset($thisfile_riff_WAVE['DISP']) && is_array($thisfile_riff_WAVE['DISP'])) {
$thisfile_riff['comments']['title'][] = trim(substr($thisfile_riff_WAVE['DISP'][count($thisfile_riff_WAVE['DISP']) - 1]['data'], 4));
}
if (isset($thisfile_riff_WAVE['INFO']) && is_array($thisfile_riff_WAVE['INFO'])) {
$this->RIFFcommentsParse($thisfile_riff_WAVE['INFO'], $thisfile_riff['comments']);
}
if (isset($thisfile_riff['AVI ']['INFO']) && is_array($thisfile_riff['AVI ']['INFO'])) {
$this->RIFFcommentsParse($thisfile_riff['AVI ']['INFO'], $thisfile_riff['comments']);
}
if (empty($thisfile_audio['encoder']) && !empty($info['mpeg']['audio']['LAME']['short_version'])) {
$thisfile_audio['encoder'] = $info['mpeg']['audio']['LAME']['short_version'];
}
if (!isset($info['playtime_seconds'])) {
$info['playtime_seconds'] = 0;
}
if (isset($thisfile_riff_raw['strh'][0]['dwLength']) && isset($thisfile_riff_raw['avih']['dwMicroSecPerFrame'])) {
// needed for >2GB AVIs where 'avih' chunk only lists number of frames in that chunk, not entire movie
$info['playtime_seconds'] = $thisfile_riff_raw['strh'][0]['dwLength'] * ($thisfile_riff_raw['avih']['dwMicroSecPerFrame'] / 1000000);
} elseif (isset($thisfile_riff_raw['avih']['dwTotalFrames']) && isset($thisfile_riff_raw['avih']['dwMicroSecPerFrame'])) {
$info['playtime_seconds'] = $thisfile_riff_raw['avih']['dwTotalFrames'] * ($thisfile_riff_raw['avih']['dwMicroSecPerFrame'] / 1000000);
}
if ($info['playtime_seconds'] > 0) {
if (isset($thisfile_riff_audio) && isset($thisfile_riff_video)) {
if (!isset($info['bitrate'])) {
$info['bitrate'] = ((($info['avdataend'] - $info['avdataoffset']) / $info['playtime_seconds']) * 8);
}
} elseif (isset($thisfile_riff_audio) && !isset($thisfile_riff_video)) {
if (!isset($thisfile_audio['bitrate'])) {
$thisfile_audio['bitrate'] = ((($info['avdataend'] - $info['avdataoffset']) / $info['playtime_seconds']) * 8);
}
} elseif (!isset($thisfile_riff_audio) && isset($thisfile_riff_video)) {
if (!isset($thisfile_video['bitrate'])) {
$thisfile_video['bitrate'] = ((($info['avdataend'] - $info['avdataoffset']) / $info['playtime_seconds']) * 8);
}
}
}
if (isset($thisfile_riff_video) && isset($thisfile_audio['bitrate']) && ($thisfile_audio['bitrate'] > 0) && ($info['playtime_seconds'] > 0)) {
$info['bitrate'] = ((($info['avdataend'] - $info['avdataoffset']) / $info['playtime_seconds']) * 8);
$thisfile_audio['bitrate'] = 0;
$thisfile_video['bitrate'] = $info['bitrate'];
foreach ($thisfile_riff_audio as $channelnumber => $audioinfoarray) {
$thisfile_video['bitrate'] -= $audioinfoarray['bitrate'];
$thisfile_audio['bitrate'] += $audioinfoarray['bitrate'];
}
if ($thisfile_video['bitrate'] <= 0) {
unset($thisfile_video['bitrate']);
}
if ($thisfile_audio['bitrate'] <= 0) {
unset($thisfile_audio['bitrate']);
}
}
if (isset($info['mpeg']['audio'])) {
$thisfile_audio_dataformat = 'mp'.$info['mpeg']['audio']['layer'];
$thisfile_audio['sample_rate'] = $info['mpeg']['audio']['sample_rate'];
$thisfile_audio['channels'] = $info['mpeg']['audio']['channels'];
$thisfile_audio['bitrate'] = $info['mpeg']['audio']['bitrate'];
$thisfile_audio['bitrate_mode'] = strtolower($info['mpeg']['audio']['bitrate_mode']);
if (!empty($info['mpeg']['audio']['codec'])) {
$thisfile_audio['codec'] = $info['mpeg']['audio']['codec'].' '.$thisfile_audio['codec'];
}
if (!empty($thisfile_audio['streams'])) {
foreach ($thisfile_audio['streams'] as $streamnumber => $streamdata) {
if ($streamdata['dataformat'] == $thisfile_audio_dataformat) {
$thisfile_audio['streams'][$streamnumber]['sample_rate'] = $thisfile_audio['sample_rate'];
$thisfile_audio['streams'][$streamnumber]['channels'] = $thisfile_audio['channels'];
$thisfile_audio['streams'][$streamnumber]['bitrate'] = $thisfile_audio['bitrate'];
$thisfile_audio['streams'][$streamnumber]['bitrate_mode'] = $thisfile_audio['bitrate_mode'];
$thisfile_audio['streams'][$streamnumber]['codec'] = $thisfile_audio['codec'];
}
}
}
$getid3_mp3 = new getid3_mp3($this->getid3);
$thisfile_audio['encoder_options'] = $getid3_mp3->GuessEncoderOptions();
unset($getid3_mp3);
}
if (!empty($thisfile_riff_raw['fmt ']['wBitsPerSample']) && ($thisfile_riff_raw['fmt ']['wBitsPerSample'] > 0)) {
switch ($thisfile_audio_dataformat) {
case 'ac3':
// ignore bits_per_sample
break;
default:
$thisfile_audio['bits_per_sample'] = $thisfile_riff_raw['fmt ']['wBitsPerSample'];
break;
}
}
if (empty($thisfile_riff_raw)) {
unset($thisfile_riff['raw']);
}
if (empty($thisfile_riff_audio)) {
unset($thisfile_riff['audio']);
}
if (empty($thisfile_riff_video)) {
unset($thisfile_riff['video']);
}
return true;
}
static function RIFFcommentsParse(&$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']) != '') {
if (isset($CommentsTargetArray[$value])) {
$CommentsTargetArray[$value][] = trim($commentdata['data']);
} else {
$CommentsTargetArray[$value] = array(trim($commentdata['data']));
}
}
}
}
}
return true;
}
function ParseRIFF($startoffset, $maxoffset) {
$info = &$this->getid3->info;
$maxoffset = min($maxoffset, $info['avdataend']);
$RIFFchunk = false;
$FoundAllChunksWeNeed = false;
if (($startoffset < 0) || !getid3_lib::intValueSupported($startoffset)) {
$info['warning'][] = 'Unable to ParseRIFF() at '.$startoffset.' because beyond '.round(PHP_INT_MAX / 1073741824).'GB limit of PHP filesystem functions';
return false;
}
$max_usable_offset = min(PHP_INT_MAX - 1024, $maxoffset);
if ($maxoffset > $max_usable_offset) {
$info['warning'][] = 'ParseRIFF() may return incomplete data for chunk starting at '.$startoffset.' because beyond it extends to '.$maxoffset.', which is beyond the '.round(PHP_INT_MAX / 1073741824).'GB limit of PHP filesystem functions';
}
fseek($this->getid3->fp, $startoffset, SEEK_SET);
while (ftell($this->getid3->fp) < $max_usable_offset) {
$chunknamesize = fread($this->getid3->fp, 8);
$chunkname = substr($chunknamesize, 0, 4);
$chunksize = $this->EitherEndian2Int(substr($chunknamesize, 4, 4));
if (strlen($chunkname) < 4) {
$info['error'][] = 'Expecting chunk name at offset '.(ftell($this->getid3->fp) - 4).' but found nothing. Aborting RIFF parsing.';
break;
}
if ($chunksize == 0) {
if ($chunkname == 'JUNK') {
// we'll allow zero-size JUNK frames
} else {
$info['warning'][] = 'Chunk size at offset '.(ftell($this->getid3->fp) - 4).' is zero. Aborting RIFF parsing.';
break;
}
}
if (($chunksize % 2) != 0) {
// all structures are packed on word boundaries
$chunksize++;
}
switch ($chunkname) {
case 'LIST':
$listname = fread($this->getid3->fp, 4);
if (preg_match('#^(movi|rec )$#i', $listname)) {
$RIFFchunk[$listname]['offset'] = ftell($this->getid3->fp) - 4;
$RIFFchunk[$listname]['size'] = $chunksize;
if ($FoundAllChunksWeNeed) {
// skip over
} else {
$WhereWeWere = ftell($this->getid3->fp);
$AudioChunkHeader = fread($this->getid3->fp, 12);
$AudioChunkStreamNum = substr($AudioChunkHeader, 0, 2);
$AudioChunkStreamType = substr($AudioChunkHeader, 2, 2);
$AudioChunkSize = getid3_lib::LittleEndian2Int(substr($AudioChunkHeader, 4, 4));
if ($AudioChunkStreamType == 'wb') {
$FirstFourBytes = substr($AudioChunkHeader, 8, 4);
if (preg_match('/^\xFF[\xE2-\xE7\xF2-\xF7\xFA-\xFF][\x00-\xEB]/s', $FirstFourBytes)) {
// MP3
if (getid3_mp3::MPEGaudioHeaderBytesValid($FirstFourBytes)) {
$getid3_temp = new getID3();
$getid3_temp->openfile($this->getid3->filename);
$getid3_temp->info['avdataoffset'] = ftell($this->getid3->fp) - 4;
$getid3_temp->info['avdataend'] = ftell($this->getid3->fp) + $AudioChunkSize;
$getid3_mp3 = new getid3_mp3($getid3_temp);
$getid3_mp3->getOnlyMPEGaudioInfo($getid3_temp->info['avdataoffset'], false);
if (isset($getid3_temp->info['mpeg']['audio'])) {
$info['mpeg']['audio'] = $getid3_temp->info['mpeg']['audio'];
$info['audio'] = $getid3_temp->info['audio'];
$info['audio']['dataformat'] = 'mp'.$info['mpeg']['audio']['layer'];
$info['audio']['sample_rate'] = $info['mpeg']['audio']['sample_rate'];
$info['audio']['channels'] = $info['mpeg']['audio']['channels'];
$info['audio']['bitrate'] = $info['mpeg']['audio']['bitrate'];
$info['audio']['bitrate_mode'] = strtolower($info['mpeg']['audio']['bitrate_mode']);
//$info['bitrate'] = $info['audio']['bitrate'];
}
unset($getid3_temp, $getid3_mp3);
}
} elseif (preg_match('/^\x0B\x77/s', $FirstFourBytes)) {
// AC3
if (getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.ac3.php', __FILE__, false)) {
$getid3_temp = new getID3();
$getid3_temp->openfile($this->getid3->filename);
$getid3_temp->info['avdataoffset'] = ftell($this->getid3->fp) - 4;
$getid3_temp->info['avdataend'] = ftell($this->getid3->fp) + $AudioChunkSize;
$getid3_ac3 = new getid3_ac3($getid3_temp);
$getid3_ac3->Analyze();
if (empty($getid3_temp->info['error'])) {
$info['audio'] = $getid3_temp->info['audio'];
$info['ac3'] = $getid3_temp->info['ac3'];
if (!empty($getid3_temp->info['warning'])) {
foreach ($getid3_temp->info['warning'] as $key => $value) {
$info['warning'][] = $value;
}
}
}
unset($getid3_temp, $getid3_ac3);
}
}
}
$FoundAllChunksWeNeed = true;
fseek($this->getid3->fp, $WhereWeWere, SEEK_SET);
}
fseek($this->getid3->fp, $chunksize - 4, SEEK_CUR);
//} elseif (preg_match('#^[0-9]{2}(wb|pc|dc|db)$#i', $listname)) {
//
// // data chunk, ignore
//
} else {
if (!isset($RIFFchunk[$listname])) {
$RIFFchunk[$listname] = array();
}
$LISTchunkParent = $listname;
$LISTchunkMaxOffset = ftell($this->getid3->fp) - 4 + $chunksize;
if ($parsedChunk = $this->ParseRIFF(ftell($this->getid3->fp), ftell($this->getid3->fp) + $chunksize - 4)) {
$RIFFchunk[$listname] = array_merge_recursive($RIFFchunk[$listname], $parsedChunk);
}
}
break;
default:
if (preg_match('#^[0-9]{2}(wb|pc|dc|db)$#', $chunkname)) {
$nextoffset = ftell($this->getid3->fp) + $chunksize;
if (($nextoffset < 0) || !getid3_lib::intValueSupported($nextoffset)) {
$info['warning'][] = 'Unable to parse chunk at offset '.$nextoffset.' because beyond '.round(PHP_INT_MAX / 1073741824).'GB limit of PHP filesystem functions';
break 2;
}
fseek($this->getid3->fp, $nextoffset, SEEK_SET);
break;
}
$thisindex = 0;
if (isset($RIFFchunk[$chunkname]) && is_array($RIFFchunk[$chunkname])) {
$thisindex = count($RIFFchunk[$chunkname]);
}
$RIFFchunk[$chunkname][$thisindex]['offset'] = ftell($this->getid3->fp) - 8;
$RIFFchunk[$chunkname][$thisindex]['size'] = $chunksize;
switch ($chunkname) {
case 'data':
$info['avdataoffset'] = ftell($this->getid3->fp);
$info['avdataend'] = $info['avdataoffset'] + $chunksize;
$RIFFdataChunkContentsTest = fread($this->getid3->fp, 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_temp = new getID3();
$getid3_temp->openfile($this->getid3->filename);
$getid3_temp->info['avdataoffset'] = $RIFFchunk[$chunkname][$thisindex]['offset'];
$getid3_temp->info['avdataend'] = $RIFFchunk[$chunkname][$thisindex]['offset'] + $RIFFchunk[$chunkname][$thisindex]['size'];
$getid3_mp3 = new getid3_mp3($getid3_temp);
$getid3_mp3->getOnlyMPEGaudioInfo($RIFFchunk[$chunkname][$thisindex]['offset'], false);
if (empty($getid3_temp->info['error'])) {
$info['mpeg'] = $getid3_temp->info['mpeg'];
$info['audio'] = $getid3_temp->info['audio'];
}
unset($getid3_temp, $getid3_mp3);
}
} elseif ((strlen($RIFFdataChunkContentsTest) > 0) && (substr($RIFFdataChunkContentsTest, 0, 2) == "\x0B\x77")) {
// This is probably AC-3 data
if (getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.ac3.php', __FILE__, false)) {
$getid3_temp = new getID3();
$getid3_temp->openfile($this->getid3->filename);
$getid3_temp->info['avdataoffset'] = $RIFFchunk[$chunkname][$thisindex]['offset'];
$getid3_temp->info['avdataend'] = $RIFFchunk[$chunkname][$thisindex]['offset'] + $RIFFchunk[$chunkname][$thisindex]['size'];
$getid3_ac3 = new getid3_ac3($getid3_temp);
$getid3_ac3->Analyze();
if (empty($getid3_temp->info['error'])) {
$info['audio'] = $getid3_temp->info['audio'];
$info['ac3'] = $getid3_temp->info['ac3'];
$info['warning'] = $getid3_temp->info['warning'];
}
unset($getid3_temp, $getid3_ac3);
}
} elseif ((strlen($RIFFdataChunkContentsTest) > 0) && (substr($RIFFdataChunkContentsTest, 8, 2) == "\x77\x0B")) {
// Dolby Digital WAV
// AC-3 content, but not encoded in same format as normal AC-3 file
// For one thing, byte order is swapped
if (getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.ac3.php', __FILE__, false)) {
// ok to use tmpfile here - only 56 bytes
if ($RIFFtempfilename = tempnam(GETID3_TEMP_DIR, 'id3')) {
if ($fd_temp = fopen($RIFFtempfilename, 'wb')) {
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 + $i + 0, 1));
}
fclose($fd_temp);
$getid3_temp = new getID3();
$getid3_temp->openfile($RIFFtempfilename);
$getid3_temp->info['avdataend'] = 20;
$getid3_ac3 = new getid3_ac3($getid3_temp);
$getid3_ac3->Analyze();
if (empty($getid3_temp->info['error'])) {
$info['audio'] = $getid3_temp->info['audio'];
$info['ac3'] = $getid3_temp->info['ac3'];
$info['warning'] = $getid3_temp->info['warning'];
} else {
$info['error'][] = 'Error parsing Dolby Digital WAV (AC3-in-RIFF): '.implode(';', $getid3_temp->info['error']);
}
unset($getid3_ac3, $getid3_temp);
} else {
$info['error'][] = 'Error parsing Dolby Digital WAV (AC3-in-RIFF): failed to write temp file';
}
unlink($RIFFtempfilename);
} else {
$info['error'][] = 'Error parsing Dolby Digital WAV (AC3-in-RIFF): failed to write temp file';
}
}
} elseif ((strlen($RIFFdataChunkContentsTest) > 0) && (substr($RIFFdataChunkContentsTest, 0, 4) == 'wvpk')) {
// This is WavPack data
$info['wavpack']['offset'] = $RIFFchunk[$chunkname][$thisindex]['offset'];
$info['wavpack']['size'] = getid3_lib::LittleEndian2Int(substr($RIFFdataChunkContentsTest, 4, 4));
$this->RIFFparseWavPackHeader(substr($RIFFdataChunkContentsTest, 8, 28));
} 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) || !getid3_lib::intValueSupported($nextoffset)) {
$info['warning'][] = 'Unable to parse chunk at offset '.$nextoffset.' because beyond '.round(PHP_INT_MAX / 1073741824).'GB limit of PHP filesystem functions';
break 3;
}
fseek($this->getid3->fp, $RIFFchunk[$chunkname][$thisindex]['offset'] + 8 + $chunksize, SEEK_SET);
break;
case 'iXML':
case 'bext':
case 'cart':
case 'fmt ':
case 'strh':
case 'strf':
case 'indx':
case 'MEXT':
case 'DISP':
// always read data in
case 'JUNK':
// should be: never read data in
// but some programs write their version strings in a JUNK chunk (e.g. VirtualDub, AVIdemux, etc)
if ($chunksize < 1048576) {
if ($chunksize > 0) {
$RIFFchunk[$chunkname][$thisindex]['data'] = fread($this->getid3->fp, $chunksize);
if ($chunkname == 'JUNK') {
if (preg_match('#^([\\x20-\\x7F]+)#', $RIFFchunk[$chunkname][$thisindex]['data'], $matches)) {
// only keep text characters [chr(32)-chr(127)]
$info['riff']['comments']['junk'][] = trim($matches[1]);
}
// but if nothing there, ignore
// remove the key in either case
unset($RIFFchunk[$chunkname][$thisindex]['data']);
}
}
} else {
$info['warning'][] = 'chunk "'.$chunkname.'" at offset '.ftell($this->getid3->fp).' is unexpectedly larger than 1MB (claims to be '.number_format($chunksize).' bytes), skipping data';
$nextoffset = ftell($this->getid3->fp) + $chunksize;
if (($nextoffset < 0) || !getid3_lib::intValueSupported($nextoffset)) {
$info['warning'][] = 'Unable to parse chunk at offset '.$nextoffset.' because beyond '.round(PHP_INT_MAX / 1073741824).'GB limit of PHP filesystem functions';
break 3;
}
fseek($this->getid3->fp, $nextoffset, SEEK_SET);
}
break;
default:
if (!preg_match('#^[0-9]{2}(wb|pc|dc|db)$#', $chunkname) && !empty($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($this->getid3->fp, $chunksize);
//} elseif (in_array($chunkname, array('ID3 ')) || (($chunksize > 0) && ($chunksize < 2048))) {
} elseif (($chunksize > 0) && ($chunksize < 2048)) {
// only read data in if smaller than 2kB
$RIFFchunk[$chunkname][$thisindex]['data'] = fread($this->getid3->fp, $chunksize);
} else {
$nextoffset = ftell($this->getid3->fp) + $chunksize;
if (($nextoffset < 0) || !getid3_lib::intValueSupported($nextoffset)) {
$info['warning'][] = 'Unable to parse chunk at offset '.$nextoffset.' because beyond '.round(PHP_INT_MAX / 1073741824).'GB limit of PHP filesystem functions';
break 3;
}
fseek($this->getid3->fp, $nextoffset, SEEK_SET);
}
break;
}
break;
}
}
return $RIFFchunk;
}
function ParseRIFFdata(&$RIFFdata) {
$info = &$this->getid3->info;
if ($RIFFdata) {
$tempfile = tempnam(GETID3_TEMP_DIR, 'getID3');
$fp_temp = fopen($tempfile, 'wb');
$RIFFdataLength = strlen($RIFFdata);
$NewLengthString = getid3_lib::LittleEndian2String($RIFFdataLength, 4);
for ($i = 0; $i < 4; $i++) {
$RIFFdata{$i + 4} = $NewLengthString{$i};
}
fwrite($fp_temp, $RIFFdata);
fclose($fp_temp);
$getid3_temp = new getID3();
$getid3_temp->openfile($tempfile);
$getid3_temp->info['filesize'] = $RIFFdataLength;
$getid3_temp->info['filenamepath'] = $info['filenamepath'];
$getid3_temp->info['tags'] = $info['tags'];
$getid3_temp->info['warning'] = $info['warning'];
$getid3_temp->info['error'] = $info['error'];
$getid3_temp->info['comments'] = $info['comments'];
$getid3_temp->info['audio'] = (isset($info['audio']) ? $info['audio'] : array());
$getid3_temp->info['video'] = (isset($info['video']) ? $info['video'] : array());
$getid3_riff = new getid3_riff($getid3_temp);
$getid3_riff->Analyze();
$info['riff'] = $getid3_temp->info['riff'];
$info['warning'] = $getid3_temp->info['warning'];
$info['error'] = $getid3_temp->info['error'];
$info['tags'] = $getid3_temp->info['tags'];
$info['comments'] = $getid3_temp->info['comments'];
unset($getid3_riff, $getid3_temp);
unlink($tempfile);
}
return false;
}
public static function 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) {
// typedef struct {
// char ckID [4];
// long ckSize;
// short version;
// short bits; // added for version 2.00
// short flags, shift; // added for version 3.00
// long total_samples, crc, crc2;
// char extension [4], extra_bc, extras [3];
// } WavpackHeader;
// shortcut
$info = &$this->getid3->info;
$info['wavpack'] = array();
$thisfile_wavpack = &$info['wavpack'];
$thisfile_wavpack['version'] = getid3_lib::LittleEndian2Int(substr($WavPackChunkData, 0, 2));
if ($thisfile_wavpack['version'] >= 2) {
$thisfile_wavpack['bits'] = getid3_lib::LittleEndian2Int(substr($WavPackChunkData, 2, 2));
}
if ($thisfile_wavpack['version'] >= 3) {
$thisfile_wavpack['flags_raw'] = getid3_lib::LittleEndian2Int(substr($WavPackChunkData, 4, 2));
$thisfile_wavpack['shift'] = getid3_lib::LittleEndian2Int(substr($WavPackChunkData, 6, 2));
$thisfile_wavpack['total_samples'] = getid3_lib::LittleEndian2Int(substr($WavPackChunkData, 8, 4));
$thisfile_wavpack['crc1'] = getid3_lib::LittleEndian2Int(substr($WavPackChunkData, 12, 4));
$thisfile_wavpack['crc2'] = getid3_lib::LittleEndian2Int(substr($WavPackChunkData, 16, 4));
$thisfile_wavpack['extension'] = substr($WavPackChunkData, 20, 4);
$thisfile_wavpack['extra_bc'] = getid3_lib::LittleEndian2Int(substr($WavPackChunkData, 24, 1));
for ($i = 0; $i <= 2; $i++) {
$thisfile_wavpack['extras'][] = getid3_lib::LittleEndian2Int(substr($WavPackChunkData, 25 + $i, 1));
}
// shortcut
$thisfile_wavpack['flags'] = array();
$thisfile_wavpack_flags = &$thisfile_wavpack['flags'];
$thisfile_wavpack_flags['mono'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000001);
$thisfile_wavpack_flags['fast_mode'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000002);
$thisfile_wavpack_flags['raw_mode'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000004);
$thisfile_wavpack_flags['calc_noise'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000008);
$thisfile_wavpack_flags['high_quality'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000010);
$thisfile_wavpack_flags['3_byte_samples'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000020);
$thisfile_wavpack_flags['over_20_bits'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000040);
$thisfile_wavpack_flags['use_wvc'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000080);
$thisfile_wavpack_flags['noiseshaping'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000100);
$thisfile_wavpack_flags['very_fast_mode'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000200);
$thisfile_wavpack_flags['new_high_quality'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000400);
$thisfile_wavpack_flags['cancel_extreme'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000800);
$thisfile_wavpack_flags['cross_decorrelation'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x001000);
$thisfile_wavpack_flags['new_decorrelation'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x002000);
$thisfile_wavpack_flags['joint_stereo'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x004000);
$thisfile_wavpack_flags['extra_decorrelation'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x008000);
$thisfile_wavpack_flags['override_noiseshape'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x010000);
$thisfile_wavpack_flags['override_jointstereo'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x020000);
$thisfile_wavpack_flags['copy_source_filetime'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x040000);
$thisfile_wavpack_flags['create_exe'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x080000);
}
return true;
}
public static function ParseBITMAPINFOHEADER($BITMAPINFOHEADER, $littleEndian=true) {
$functionname = ($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 $parsed;
}
static function ParseDIVXTAG($DIVXTAG) {
// structure from "IDivX" source, Form1.frm, by "Greg Frazier of Daemonic Software Group", email: [email protected], web: http://dsg.cjb.net/
// source available at http://files.divx-digest.com/download/c663efe7ef8ad2e90bf4af4d3ea6188a/on0SWN2r/edit/IDivX.zip
// 'Byte Layout: '1111111111111111
// '32 for Movie - 1 '1111111111111111
// '28 for Author - 6 '6666666666666666
// '4 for year - 2 '6666666666662222
// '3 for genre - 3 '7777777777777777
// '48 for Comments - 7 '7777777777777777
// '1 for Rating - 4 '7777777777777777
// '5 for Future Additions - 0 '333400000DIVXTAG
// '128 bytes total
static $DIVXTAGgenre = array(
0 => 'Action',
1 => 'Action/Adventure',
2 => 'Adventure',
3 => 'Adult',
4 => 'Anime',
5 => 'Cartoon',
6 => 'Claymation',
7 => 'Comedy',
8 => 'Commercial',
9 => 'Documentary',
10 => 'Drama',
11 => 'Home Video',
12 => 'Horror',
13 => 'Infomercial',
14 => 'Interactive',
15 => 'Mystery',
16 => 'Music Video',
17 => 'Other',
18 => 'Religion',
19 => 'Sci Fi',
20 => 'Thriller',
21 => 'Western',
);
static $DIVXTAGrating = array(
0=>'Unrated',
1=>'G',
2=>'PG',
3=>'PG-13',
4=>'R',
5=>'NC-17'
);
$parsed['title'] = trim(substr($DIVXTAG, 0, 32));
$parsed['artist'] = trim(substr($DIVXTAG, 32, 28));
$parsed['year'] = intval(trim(substr($DIVXTAG, 60, 4)));
$parsed['comment'] = trim(substr($DIVXTAG, 64, 48));
$parsed['genre_id'] = intval(trim(substr($DIVXTAG, 112, 3)));
$parsed['rating_id'] = ord(substr($DIVXTAG, 115, 1));
//$parsed['padding'] = substr($DIVXTAG, 116, 5); // 5-byte null
//$parsed['magic'] = substr($DIVXTAG, 121, 7); // "DIVXTAG"
$parsed['genre'] = (isset($DIVXTAGgenre[$parsed['genre_id']]) ? $DIVXTAGgenre[$parsed['genre_id']] : $parsed['genre_id']);
$parsed['rating'] = (isset($DIVXTAGrating[$parsed['rating_id']]) ? $DIVXTAGrating[$parsed['rating_id']] : $parsed['rating_id']);
return $parsed;
}
static function RIFFwaveSNDMtagLookup($tagshortname) {
$begin = __LINE__;
/** This is not a comment!
©kwd keywords
©BPM bpm
©trt tracktitle
©des description
©gen category
©fin featuredinstrument
©LID longid
©bex bwdescription
©pub publisher
©cdt cdtitle
©alb library
©com composer
*/
return getid3_lib::EmbeddedLookup($tagshortname, $begin, __LINE__, __FILE__, 'riff-sndm');
}
static function RIFFwFormatTagLookup($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), $begin, __LINE__, __FILE__, 'riff-wFormatTag');
}
public static function RIFFfourccLookup($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
FLV1 Sorenson Spark
FLV4 On2 TrueMotion VP6
FRWT Darim Vision Forward Motion JPEG (www.darvision.com)
FRWU Darim Vision Forward Uncompressed (www.darvision.com)
FLJP D-Vision Field Encoded Motion JPEG
FPS1 FRAPS v1
FRWA SoftLab-Nsk Forward Motion JPEG w/ alpha channel
FRWD SoftLab-Nsk Forward Motion JPEG
FVF1 Iterated Systems Fractal Video Frame
GLZW Motion LZW ([email protected])
GPEG Motion JPEG ([email protected])
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 2Ч2 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
VP6F On2 TrueMotion VP6
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, $begin, __LINE__, __FILE__, 'riff-fourcc');
}
function EitherEndian2Int($byteword, $signed=false) {
if ($this->getid3->info['fileformat'] == 'riff') {
return getid3_lib::LittleEndian2Int($byteword, $signed);
}
return getid3_lib::BigEndian2Int($byteword, false, $signed);
}
}
?>