| <Website> | getID3 |  |
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| Size: | 75757 |
| Storage flags: | strip |
<?php
getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.mp3.php', __FILE__, true);
getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.ac3.php', __FILE__, true);
getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio.dts.php', __FILE__, true);
class getid3_riff extends getid3_handler {
protected $container = 'riff';
public function Analyze() {
$info = &$this->getid3->info;
$info['riff'] = array('raw'=>array());
$thisfile_riff = &$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'];
$this->fseek($info['avdataoffset']);
$RIFFheader = $this->fread(12);
$offset = $this->ftell();
$RIFFtype = substr($RIFFheader, 0, 4);
$RIFFsize = substr($RIFFheader, 4, 4);
$RIFFsubtype = substr($RIFFheader, 8, 4);
switch ($RIFFtype) {
case 'FORM':
$this->container = 'aiff';
$thisfile_riff['header_size'] = $this->EitherEndian2Int($RIFFsize);
$thisfile_riff[$RIFFsubtype] = $this->ParseRIFF($offset, ($offset + $thisfile_riff['header_size'] - 4));
break;
case 'RIFF':
case 'SDSS':
case 'RMP3':
$this->container = 'riff';
$thisfile_riff['header_size'] = $this->EitherEndian2Int($RIFFsize);
if ($RIFFsubtype == 'RMP3') {
$RIFFsubtype = 'WAVE';
}
if ($RIFFsubtype != 'AMV ') {
$thisfile_riff[$RIFFsubtype] = $this->ParseRIFF($offset, ($offset + $thisfile_riff['header_size'] - 4));
}
if (($info['avdataend'] - $info['filesize']) == 1) {
$info['avdataend'] = $info['filesize'];
}
$nextRIFFoffset = $Original['avdataoffset'] + 8 + $thisfile_riff['header_size'];
while ($nextRIFFoffset < min($info['filesize'], $info['avdataend'])) {
try {
$this->fseek($nextRIFFoffset);
} catch (getid3_exception $e) {
if ($e->getCode() == 10) {
$this->error('AVI extends beyond '.round(PHP_INT_MAX / 1073741824).'GB and PHP filesystem functions cannot read that far, playtime may be wrong');
$this->warning('[avdataend] value may be incorrect, multiple AVIX chunks may be present');
break;
} else {
throw $e;
}
}
$nextRIFFheader = $this->fread(12);
if ($nextRIFFoffset == ($info['avdataend'] - 1)) {
if (substr($nextRIFFheader, 0, 1) == "\x00") {
break;
}
}
$nextRIFFheaderID = substr($nextRIFFheader, 0, 4);
$nextRIFFsize = $this->EitherEndian2Int(substr($nextRIFFheader, 4, 4));
$nextRIFFtype = substr($nextRIFFheader, 8, 4);
$chunkdata = array();
$chunkdata['offset'] = $nextRIFFoffset + 8;
$chunkdata['size'] = $nextRIFFsize;
$nextRIFFoffset = $chunkdata['offset'] + $chunkdata['size'];
switch ($nextRIFFheaderID) {
case 'RIFF':
$chunkdata['chunks'] = $this->ParseRIFF($chunkdata['offset'] + 4, $nextRIFFoffset);
if (!isset($thisfile_riff[$nextRIFFtype])) {
$thisfile_riff[$nextRIFFtype] = array();
}
$thisfile_riff[$nextRIFFtype][] = $chunkdata;
break;
case 'AMV ':
unset($info['riff']);
$info['amv'] = $this->ParseRIFFAMV($chunkdata['offset'] + 4, $nextRIFFoffset);
break;
case 'JUNK':
$thisfile_riff[$nextRIFFheaderID][] = $chunkdata;
break;
case 'IDVX':
$info['divxtag']['comments'] = self::ParseDIVXTAG($this->fread($chunkdata['size']));
break;
default:
if ($info['filesize'] == ($chunkdata['offset'] - 8 + 128)) {
$DIVXTAG = $nextRIFFheader.$this->fread(128 - 12);
if (substr($DIVXTAG, -7) == 'DIVXTAG') {
$this->warning('Found wrongly-structured DIVXTAG at offset '.($this->ftell() - 128).', parsing anyway');
$info['divxtag']['comments'] = self::ParseDIVXTAG($DIVXTAG);
break 2;
}
}
$this->warning('Expecting "RIFF|JUNK|IDVX" at '.$nextRIFFoffset.', found "'.$nextRIFFheaderID.'" ('.getid3_lib::PrintHexBytes($nextRIFFheaderID).') - skipping rest of file');
break 2;
}
}
if ($RIFFsubtype == 'WAVE') {
$thisfile_riff_WAVE = &$thisfile_riff['WAVE'];
}
break;
default:
$this->error('Cannot parse RIFF (this is maybe not a RIFF / WAV / AVI file?) - expecting "FORM|RIFF|SDSS|RMP3" found "'.$RIFFsubtype.'" instead');
return false;
}
$streamindex = 0;
switch ($RIFFsubtype) {
case 'WAVE':
$info['fileformat'] = 'wav';
if (empty($thisfile_audio['bitrate_mode'])) {
$thisfile_audio['bitrate_mode'] = 'cbr';
}
if (empty($thisfile_audio_dataformat)) {
$thisfile_audio_dataformat = 'wav';
}
if (isset($thisfile_riff_WAVE['data'][0]['offset'])) {
$info['avdataoffset'] = $thisfile_riff_WAVE['data'][0]['offset'] + 8;
$info['avdataend'] = $info['avdataoffset'] + $thisfile_riff_WAVE['data'][0]['size'];
}
if (isset($thisfile_riff_WAVE['fmt '][0]['data'])) {
$thisfile_riff_audio[$streamindex] = self::parseWAVEFORMATex($thisfile_riff_WAVE['fmt '][0]['data']);
$thisfile_audio['wformattag'] = $thisfile_riff_audio[$streamindex]['raw']['wFormatTag'];
if (!isset($thisfile_riff_audio[$streamindex]['bitrate']) || ($thisfile_riff_audio[$streamindex]['bitrate'] == 0)) {
$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'];
if (empty($info['playtime_seconds'])) {
$info['playtime_seconds'] = (float) ((($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:
$thisfile_audio['lossless'] = true;
break;
case 0x2000:
$thisfile_audio_dataformat = 'ac3';
break;
default:
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'])) {
$rgadData = &$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));
}
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'])) {
$thisfile_riff_WAVE_bext_0 = &$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'])) {
$thisfile_riff_WAVE_MEXT_0 = &$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'])) {
$thisfile_riff_WAVE_cart_0 = &$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'])) {
$thisfile_riff_WAVE_SNDM_0 = &$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 = self::waveSNDMtagLookup($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($thisfile_riff_WAVE['iXML'][0]['data'])) {
if ($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'];
$info['avdataend'] = $Original['avdataend'];
$thisfile_audio['bitrate'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / $info['playtime_seconds'];
$this->fseek($info['avdataoffset'] - 44);
$RIFFdata = $this->fread(44);
$OrignalRIFFheaderSize = getid3_lib::LittleEndian2Int(substr($RIFFdata, 4, 4)) + 8;
$OrignalRIFFdataSize = getid3_lib::LittleEndian2Int(substr($RIFFdata, 40, 4)) + 44;
if ($OrignalRIFFheaderSize > $OrignalRIFFdataSize) {
$info['avdataend'] -= ($OrignalRIFFheaderSize - $OrignalRIFFdataSize);
$this->fseek($info['avdataend']);
$RIFFdata .= $this->fread($OrignalRIFFheaderSize - $OrignalRIFFdataSize);
}
$RIFFdata = substr($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 ($thisfile_riff_raw['fmt ']['wFormatTag']) {
case 0x0001:
if (!empty($info['ac3'])) {
$thisfile_audio['wformattag'] = 0x2000;
$thisfile_audio['codec'] = self::wFormatTagLookup($thisfile_audio['wformattag']);
$thisfile_audio['lossless'] = false;
$thisfile_audio['bitrate'] = $info['ac3']['bitrate'];
$thisfile_audio['sample_rate'] = $info['ac3']['sample_rate'];
}
if (!empty($info['dts'])) {
$thisfile_audio['wformattag'] = 0x2001;
$thisfile_audio['codec'] = self::wFormatTagLookup($thisfile_audio['wformattag']);
$thisfile_audio['lossless'] = false;
$thisfile_audio['bitrate'] = $info['dts']['bitrate'];
$thisfile_audio['sample_rate'] = $info['dts']['sample_rate'];
}
break;
case 0x08AE:
$thisfile_audio['bitrate_mode'] = 'vbr';
$thisfile_audio_dataformat = 'litewave';
$thisfile_riff['litewave']['raw'] = array();
$riff_litewave = &$thisfile_riff['litewave'];
$riff_litewave_raw = &$riff_litewave['raw'];
$flags = array(
'compression_method' => 1,
'compression_flags' => 1,
'm_dwScale' => 4,
'm_dwBlockSize' => 4,
'm_wQuality' => 2,
'm_wMarkDistance' => 2,
'm_wReserved' => 2,
'm_dwOrgSize' => 4,
'm_bFactExists' => 2,
'm_dwRiffChunkSize' => 4,
);
$litewave_offset = 18;
foreach ($flags as $flag => $length) {
$riff_litewave_raw[$flag] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], $litewave_offset, $length));
$litewave_offset += $length;
}
$riff_litewave['quality_factor'] = $riff_litewave_raw['m_wQuality'];
$riff_litewave['flags']['raw_source'] = ($riff_litewave_raw['compression_flags'] & 0x01) ? false : true;
$riff_litewave['flags']['vbr_blocksize'] = ($riff_litewave_raw['compression_flags'] & 0x02) ? false : true;
$riff_litewave['flags']['seekpoints'] = (bool) ($riff_litewave_raw['compression_flags'] & 0x04);
$thisfile_audio['lossless'] = (($riff_litewave_raw['m_wQuality'] == 100) ? true : false);
$thisfile_audio['encoder_options'] = '-q'.$riff_litewave['quality_factor'];
break;
default:
break;
}
}
if ($info['avdataend'] > $info['filesize']) {
switch (!empty($thisfile_audio_dataformat) ? $thisfile_audio_dataformat : '') {
case 'wavpack':
case 'lpac':
case 'ofr':
case 'ofs':
break;
case 'litewave':
if (($info['avdataend'] - $info['filesize']) == 1) {
} else {
$info['warning'][] = 'Probably truncated file - expecting '.$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)) {
$info['warning'][] = 'File should probably be padded to nearest WORD boundary, but it is not (expecting '.$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 {
$info['warning'][] = 'Probably truncated file - expecting '.$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 ':
$info['fileformat'] = 'avi';
$info['mime_type'] = 'video/avi';
$thisfile_video['bitrate_mode'] = 'vbr';
$thisfile_video['dataformat'] = 'avi';
if (isset($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'])) {
foreach ($thisfile_riff['AVI ']['hdrl']['strl']['indx'] as $streamnumber => $steamdataarray) {
$ahsisd = &$thisfile_riff['AVI ']['hdrl']['strl']['indx'][$streamnumber]['data'];
$thisfile_riff_raw['indx'][$streamnumber]['wLongsPerEntry'] = $this->EitherEndian2Int(substr($ahsisd, 0, 2));
$thisfile_riff_raw['indx'][$streamnumber]['bIndexSubType'] = $this->EitherEndian2Int(substr($ahsisd, 2, 1));
$thisfile_riff_raw['indx'][$streamnumber]['bIndexType'] = $this->EitherEndian2Int(substr($ahsisd, 3, 1));
$thisfile_riff_raw['indx'][$streamnumber]['nEntriesInUse'] = $this->EitherEndian2Int(substr($ahsisd, 4, 4));
$thisfile_riff_raw['indx'][$streamnumber]['dwChunkId'] = substr($ahsisd, 8, 4);
$thisfile_riff_raw['indx'][$streamnumber]['dwReserved'] = $this->EitherEndian2Int(substr($ahsisd, 12, 4));
unset($ahsisd);
}
}
if (isset($thisfile_riff['AVI ']['hdrl']['avih'][$streamindex]['data'])) {
$avihData = $thisfile_riff['AVI ']['hdrl']['avih'][$streamindex]['data'];
$thisfile_riff_raw['avih'] = array();
$thisfile_riff_raw_avih = &$thisfile_riff_raw['avih'];
$thisfile_riff_raw_avih['dwMicroSecPerFrame'] = $this->EitherEndian2Int(substr($avihData, 0, 4));
if ($thisfile_riff_raw_avih['dwMicroSecPerFrame'] == 0) {
$info['error'][] = 'Corrupt RIFF file: avih.dwMicroSecPerFrame == zero';
return false;
}
$flags = array(
'dwMaxBytesPerSec',
'dwPaddingGranularity',
'dwFlags',
'dwTotalFrames',
'dwInitialFrames',
'dwStreams',
'dwSuggestedBufferSize',
'dwWidth',
'dwHeight',
'dwScale',
'dwRate',
'dwStart',
'dwLength',
);
$avih_offset = 4;
foreach ($flags as $flag) {
$thisfile_riff_raw_avih[$flag] = $this->EitherEndian2Int(substr($avihData, $avih_offset, 4));
$avih_offset += 4;
}
$flags = array(
'hasindex' => 0x00000010,
'mustuseindex' => 0x00000020,
'interleaved' => 0x00000100,
'trustcktype' => 0x00000800,
'capturedfile' => 0x00010000,
'copyrighted' => 0x00020010,
);
foreach ($flags as $flag => $value) {
$thisfile_riff_raw_avih['flags'][$flag] = (bool) ($thisfile_riff_raw_avih['dwFlags'] & $value);
}
$thisfile_riff_video[$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'];
$thisfile_riff_raw_strf_strhfccType_streamindex = &$thisfile_riff_raw['strf'][$strhfccType][$streamindex];
switch ($strhfccType) {
case 'auds':
$thisfile_audio['bitrate_mode'] = 'cbr';
$thisfile_audio_dataformat = 'wav';
if (isset($thisfile_riff_audio) && is_array($thisfile_riff_audio)) {
$streamindex = count($thisfile_riff_audio);
}
$thisfile_riff_audio[$streamindex] = self::parseWAVEFORMATex($strfData);
$thisfile_audio['wformattag'] = $thisfile_riff_audio[$streamindex]['raw']['wFormatTag'];
$thisfile_audio['streams'][$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']);
$thisfile_riff_raw['strf'][$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:
$thisfile_audio_dataformat = 'wav';
$thisfile_audio['lossless'] = true;
break;
case 0x0050:
$thisfile_audio_dataformat = 'mp2';
break;
case 0x0055:
$thisfile_audio_dataformat = 'mp3';
break;
case 0x00FF:
$thisfile_audio_dataformat = 'aac';
break;
case 0x0161:
case 0x0162:
case 0x0163:
$thisfile_audio_dataformat = 'wma';
break;
case 0x2000:
$thisfile_audio_dataformat = 'ac3';
break;
case 0x2001:
$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':
$thisfile_riff_raw['strh'][$i] = array();
$thisfile_riff_raw_strh_current = &$thisfile_riff_raw['strh'][$i];
$thisfile_riff_raw_strh_current['fccType'] = substr($strhData, 0, 4);
$thisfile_riff_raw_strh_current['fccHandler'] = substr($strhData, 4, 4);
$thisfile_riff_raw_strh_current['dwFlags'] = $this->EitherEndian2Int(substr($strhData, 8, 4));
$thisfile_riff_raw_strh_current['wPriority'] = $this->EitherEndian2Int(substr($strhData, 12, 2));
$thisfile_riff_raw_strh_current['wLanguage'] = $this->EitherEndian2Int(substr($strhData, 14, 2));
$thisfile_riff_raw_strh_current['dwInitialFrames'] = $this->EitherEndian2Int(substr($strhData, 16, 4));
$thisfile_riff_raw_strh_current['dwScale'] = $this->EitherEndian2Int(substr($strhData, 20, 4));
$thisfile_riff_raw_strh_current['dwRate'] = $this->EitherEndian2Int(substr($strhData, 24, 4));
$thisfile_riff_raw_strh_current['dwStart'] = $this->EitherEndian2Int(substr($strhData, 28, 4));
$thisfile_riff_raw_strh_current['dwLength'] = $this->EitherEndian2Int(substr($strhData, 32, 4));
$thisfile_riff_raw_strh_current['dwSuggestedBufferSize'] = $this->EitherEndian2Int(substr($strhData, 36, 4));
$thisfile_riff_raw_strh_current['dwQuality'] = $this->EitherEndian2Int(substr($strhData, 40, 4));
$thisfile_riff_raw_strh_current['dwSampleSize'] = $this->EitherEndian2Int(substr($strhData, 44, 4));
$thisfile_riff_raw_strh_current['rcFrame'] = $this->EitherEndian2Int(substr($strhData, 48, 4));
$thisfile_riff_video_current['codec'] = self::fourccLookup($thisfile_riff_raw_strh_current['fccHandler']);
$thisfile_video['fourcc'] = $thisfile_riff_raw_strh_current['fccHandler'];
if (!$thisfile_riff_video_current['codec'] && isset($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc']) && self::fourccLookup($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc'])) {
$thisfile_riff_video_current['codec'] = self::fourccLookup($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc']);
$thisfile_video['fourcc'] = $thisfile_riff_raw_strf_strhfccType_streamindex['fourcc'];
}
$thisfile_video['codec'] = $thisfile_riff_video_current['codec'];
$thisfile_video['pixel_aspect_ratio'] = (float) 1;
switch ($thisfile_riff_raw_strh_current['fccHandler']) {
case 'HFYU':
case 'IRAW':
case 'YUY2':
$thisfile_video['lossless'] = true;
break;
default:
$thisfile_video['lossless'] = false;
break;
}
switch ($strhfccType) {
case 'vids':
$thisfile_riff_raw_strf_strhfccType_streamindex = self::ParseBITMAPINFOHEADER(substr($strfData, 0, 40), ($this->container == 'riff'));
$thisfile_video['bits_per_sample'] = $thisfile_riff_raw_strf_strhfccType_streamindex['biBitCount'];
if ($thisfile_riff_video_current['codec'] == 'DV') {
$thisfile_riff_video_current['dv_type'] = 2;
}
break;
case 'iavs':
$thisfile_riff_video_current['dv_type'] = 1;
break;
}
break;
default:
$info['warning'][] = 'Unhandled fccType for stream ('.$i.'): "'.$strhfccType.'"';
break;
}
}
}
if (isset($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc'])) {
$thisfile_video['fourcc'] = $thisfile_riff_raw_strf_strhfccType_streamindex['fourcc'];
if (self::fourccLookup($thisfile_video['fourcc'])) {
$thisfile_riff_video_current['codec'] = self::fourccLookup($thisfile_video['fourcc']);
$thisfile_video['codec'] = $thisfile_riff_video_current['codec'];
}
switch ($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc']) {
case 'HFYU':
case 'IRAW':
case 'YUY2':
$thisfile_video['lossless'] = true;
break;
default:
$thisfile_video['lossless'] = false;
break;
}
}
}
}
}
break;
case 'AMV ':
$info['fileformat'] = 'amv';
$info['mime_type'] = 'video/amv';
$thisfile_video['bitrate_mode'] = 'vbr';
$thisfile_video['dataformat'] = 'mjpeg';
$thisfile_video['codec'] = 'mjpeg';
$thisfile_video['lossless'] = false;
$thisfile_video['bits_per_sample'] = 24;
$thisfile_audio['dataformat'] = 'adpcm';
$thisfile_audio['lossless'] = false;
break;
case 'CDDA':
$info['fileformat'] = 'cda';
unset($info['mime_type']);
$thisfile_audio_dataformat = 'cda';
$info['avdataoffset'] = 44;
if (isset($thisfile_riff['CDDA']['fmt '][0]['data'])) {
$thisfile_riff_CDDA_fmt_0 = &$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'];
$thisfile_audio['lossless'] = true;
$thisfile_audio['sample_rate'] = 44100;
$thisfile_audio['channels'] = 2;
$thisfile_audio['bits_per_sample'] = 16;
$thisfile_audio['bitrate'] = $thisfile_audio['sample_rate'] * $thisfile_audio['channels'] * $thisfile_audio['bits_per_sample'];
$thisfile_audio['bitrate_mode'] = 'cbr';
}
break;
case 'AIFF':
case 'AIFC':
$info['fileformat'] = 'aiff';
$info['mime_type'] = 'audio/x-aiff';
$thisfile_audio['bitrate_mode'] = 'cbr';
$thisfile_audio_dataformat = 'aiff';
$thisfile_audio['lossless'] = true;
if (isset($thisfile_riff[$RIFFsubtype]['SSND'][0]['offset'])) {
$info['avdataoffset'] = $thisfile_riff[$RIFFsubtype]['SSND'][0]['offset'] + 8;
$info['avdataend'] = $info['avdataoffset'] + $thisfile_riff[$RIFFsubtype]['SSND'][0]['size'];
if ($info['avdataend'] > $info['filesize']) {
if (($info['avdataend'] == ($info['filesize'] + 1)) && (($info['filesize'] % 2) == 1)) {
} 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'])) {
$thisfile_riff_RIFFsubtype_COMM_0_data = &$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']) {
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'];
}
}
break;
case '8SVX':
$info['fileformat'] = '8svx';
$info['mime_type'] = 'audio/8svx';
$thisfile_audio['bitrate_mode'] = 'cbr';
$thisfile_audio_dataformat = '8svx';
$thisfile_audio['bits_per_sample'] = 8;
$thisfile_audio['channels'] = 1;
if (isset($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'])) {
$thisfile_riff_RIFFsubtype_VHDR_0 = &$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:
$thisfile_audio['channels'] = 2;
break;
case 2:
case 4:
$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['fileformat'] = 'vcd';
$info['mime_type'] = 'video/mpeg';
if (!empty($thisfile_riff['CDXA']['data'][0]['size'])) {
getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio-video.mpeg.php', __FILE__, true);
$getid3_temp = new getID3();
$getid3_temp->openfile($this->getid3->filename);
$getid3_mpeg = new getid3_mpeg($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';
}
switch ($RIFFsubtype) {
case 'WAVE':
case 'AIFF':
case 'AIFC':
$ID3v2_key_good = 'id3 ';
$ID3v2_keys_bad = array('ID3 ', 'tag ');
foreach ($ID3v2_keys_bad as $ID3v2_key_bad) {
if (isset($thisfile_riff[$RIFFsubtype][$ID3v2_key_bad]) && !array_key_exists($ID3v2_key_good, $thisfile_riff[$RIFFsubtype])) {
$thisfile_riff[$RIFFsubtype][$ID3v2_key_good] = $thisfile_riff[$RIFFsubtype][$ID3v2_key_bad];
$info['warning'][] = 'mapping "'.$ID3v2_key_bad.'" chunk to "'.$ID3v2_key_good.'"';
}
}
if (isset($thisfile_riff[$RIFFsubtype]['id3 '])) {
getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.id3v2.php', __FILE__, true);
$getid3_temp = new getID3();
$getid3_temp->openfile($this->getid3->filename);
$getid3_id3v2 = new getid3_id3v2($getid3_temp);
$getid3_id3v2->StartingOffset = $thisfile_riff[$RIFFsubtype]['id3 '][0]['offset'] + 8;
if ($thisfile_riff[$RIFFsubtype]['id3 '][0]['valid'] = $getid3_id3v2->Analyze()) {
$info['id3v2'] = $getid3_temp->info['id3v2'];
}
unset($getid3_temp, $getid3_id3v2);
}
break;
}
if (isset($thisfile_riff_WAVE['DISP']) && is_array($thisfile_riff_WAVE['DISP'])) {
$thisfile_riff['comments']['title'][] = trim(substr($thisfile_riff_WAVE['DISP'][count($thisfile_riff_WAVE['DISP']) - 1]['data'], 4));
}
if (isset($thisfile_riff_WAVE['INFO']) && is_array($thisfile_riff_WAVE['INFO'])) {
self::parseComments($thisfile_riff_WAVE['INFO'], $thisfile_riff['comments']);
}
if (isset($thisfile_riff['AVI ']['INFO']) && is_array($thisfile_riff['AVI ']['INFO'])) {
self::parseComments($thisfile_riff['AVI ']['INFO'], $thisfile_riff['comments']);
}
if (empty($thisfile_audio['encoder']) && !empty($info['mpeg']['audio']['LAME']['short_version'])) {
$thisfile_audio['encoder'] = $info['mpeg']['audio']['LAME']['short_version'];
}
if (!isset($info['playtime_seconds'])) {
$info['playtime_seconds'] = 0;
}
if (isset($thisfile_riff_raw['strh'][0]['dwLength']) && isset($thisfile_riff_raw['avih']['dwMicroSecPerFrame'])) {
$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':
break;
default:
$thisfile_audio['bits_per_sample'] = $thisfile_riff_raw['fmt ']['wBitsPerSample'];
break;
}
}
if (empty($thisfile_riff_raw)) {
unset($thisfile_riff['raw']);
}
if (empty($thisfile_riff_audio)) {
unset($thisfile_riff['audio']);
}
if (empty($thisfile_riff_video)) {
unset($thisfile_riff['video']);
}
return true;
}
public function ParseRIFFAMV($startoffset, $maxoffset) {
$info = &$this->getid3->info;
$RIFFchunk = false;
try {
$this->fseek($startoffset);
$maxoffset = min($maxoffset, $info['avdataend']);
$AMVheader = $this->fread(284);
if (substr($AMVheader, 0, 8) != 'hdrlamvh') {
throw new Exception('expecting "hdrlamv" at offset '.($startoffset + 0).', found "'.substr($AMVheader, 0, 8).'"');
}
if (substr($AMVheader, 8, 4) != "\x38\x00\x00\x00") {
throw new Exception('expecting "0x38000000" at offset '.($startoffset + 8).', found "'.getid3_lib::PrintHexBytes(substr($AMVheader, 8, 4)).'"');
}
$RIFFchunk = array();
$RIFFchunk['amvh']['us_per_frame'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 12, 4));
$RIFFchunk['amvh']['reserved28'] = substr($AMVheader, 16, 28);
$RIFFchunk['amvh']['resolution_x'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 44, 4));
$RIFFchunk['amvh']['resolution_y'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 48, 4));
$RIFFchunk['amvh']['frame_rate_int'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 52, 4));
$RIFFchunk['amvh']['reserved0'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 56, 4));
$RIFFchunk['amvh']['reserved1'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 60, 4));
$RIFFchunk['amvh']['runtime_sec'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 64, 1));
$RIFFchunk['amvh']['runtime_min'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 65, 1));
$RIFFchunk['amvh']['runtime_hrs'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 66, 2));
$info['video']['frame_rate'] = 1000000 / $RIFFchunk['amvh']['us_per_frame'];
$info['video']['resolution_x'] = $RIFFchunk['amvh']['resolution_x'];
$info['video']['resolution_y'] = $RIFFchunk['amvh']['resolution_y'];
$info['playtime_seconds'] = ($RIFFchunk['amvh']['runtime_hrs'] * 3600) + ($RIFFchunk['amvh']['runtime_min'] * 60) + $RIFFchunk['amvh']['runtime_sec'];
if (substr($AMVheader, 68, 20) != 'LIST'."\x00\x00\x00\x00".'strlstrh'."\x38\x00\x00\x00") {
throw new Exception('expecting "LIST<0x00000000>strlstrh<0x38000000>" at offset '.($startoffset + 68).', found "'.getid3_lib::PrintHexBytes(substr($AMVheader, 68, 20)).'"');
}
if (substr($AMVheader, 144, 8) != 'strf'."\x24\x00\x00\x00") {
throw new Exception('expecting "strf<0x24000000>" at offset '.($startoffset + 144).', found "'.getid3_lib::PrintHexBytes(substr($AMVheader, 144, 8)).'"');
}
if (substr($AMVheader, 188, 20) != 'LIST'."\x00\x00\x00\x00".'strlstrh'."\x30\x00\x00\x00") {
throw new Exception('expecting "LIST<0x00000000>strlstrh<0x30000000>" at offset '.($startoffset + 188).', found "'.getid3_lib::PrintHexBytes(substr($AMVheader, 188, 20)).'"');
}
if (substr($AMVheader, 256, 8) != 'strf'."\x14\x00\x00\x00") {
throw new Exception('expecting "strf<0x14000000>" at offset '.($startoffset + 256).', found "'.getid3_lib::PrintHexBytes(substr($AMVheader, 256, 8)).'"');
}
$RIFFchunk['strf']['wformattag'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 264, 2));
$RIFFchunk['strf']['nchannels'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 266, 2));
$RIFFchunk['strf']['nsamplespersec'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 268, 4));
$RIFFchunk['strf']['navgbytespersec'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 272, 4));
$RIFFchunk['strf']['nblockalign'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 276, 2));
$RIFFchunk['strf']['wbitspersample'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 278, 2));
$RIFFchunk['strf']['cbsize'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 280, 2));
$RIFFchunk['strf']['reserved'] = getid3_lib::LittleEndian2Int(substr($AMVheader, 282, 2));
$info['audio']['lossless'] = false;
$info['audio']['sample_rate'] = $RIFFchunk['strf']['nsamplespersec'];
$info['audio']['channels'] = $RIFFchunk['strf']['nchannels'];
$info['audio']['bits_per_sample'] = $RIFFchunk['strf']['wbitspersample'];
$info['audio']['bitrate'] = $info['audio']['sample_rate'] * $info['audio']['channels'] * $info['audio']['bits_per_sample'];
$info['audio']['bitrate_mode'] = 'cbr';
} catch (getid3_exception $e) {
if ($e->getCode() == 10) {
$this->warning('RIFFAMV parser: '.$e->getMessage());
} else {
throw $e;
}
}
return $RIFFchunk;
}
public function ParseRIFF($startoffset, $maxoffset) {
$info = &$this->getid3->info;
$RIFFchunk = false;
$FoundAllChunksWeNeed = false;
try {
$this->fseek($startoffset);
$maxoffset = min($maxoffset, $info['avdataend']);
while ($this->ftell() < $maxoffset) {
$chunknamesize = $this->fread(8);
$chunkname = str_replace("\x00", '_', substr($chunknamesize, 0, 4));
$chunksize = $this->EitherEndian2Int(substr($chunknamesize, 4, 4));
if (strlen($chunkname) < 4) {
$this->error('Expecting chunk name at offset '.($this->ftell() - 8).' but found nothing. Aborting RIFF parsing.');
break;
}
if (($chunksize == 0) && ($chunkname != 'JUNK')) {
$this->warning('Chunk ('.$chunkname.') size at offset '.($this->ftell() - 4).' is zero. Aborting RIFF parsing.');
break;
}
if (($chunksize % 2) != 0) {
$chunksize++;
}
switch ($chunkname) {
case 'LIST':
$listname = $this->fread(4);
if (preg_match('#^(movi|rec )$#i', $listname)) {
$RIFFchunk[$listname]['offset'] = $this->ftell() - 4;
$RIFFchunk[$listname]['size'] = $chunksize;
if (!$FoundAllChunksWeNeed) {
$WhereWeWere = $this->ftell();
$AudioChunkHeader = $this->fread(12);
$AudioChunkStreamNum = substr($AudioChunkHeader, 0, 2);
$AudioChunkStreamType = substr($AudioChunkHeader, 2, 2);
$AudioChunkSize = getid3_lib::LittleEndian2Int(substr($AudioChunkHeader, 4, 4));
if ($AudioChunkStreamType == 'wb') {
$FirstFourBytes = substr($AudioChunkHeader, 8, 4);
if (preg_match('/^\xFF[\xE2-\xE7\xF2-\xF7\xFA-\xFF][\x00-\xEB]/s', $FirstFourBytes)) {
if (getid3_mp3::MPEGaudioHeaderBytesValid($FirstFourBytes)) {
$getid3_temp = new getID3();
$getid3_temp->openfile($this->getid3->filename);
$getid3_temp->info['avdataoffset'] = $this->ftell() - 4;
$getid3_temp->info['avdataend'] = $this->ftell() + $AudioChunkSize;
$getid3_mp3 = new getid3_mp3($getid3_temp, __CLASS__);
$getid3_mp3->getOnlyMPEGaudioInfo($getid3_temp->info['avdataoffset'], false);
if (isset($getid3_temp->info['mpeg']['audio'])) {
$info['mpeg']['audio'] = $getid3_temp->info['mpeg']['audio'];
$info['audio'] = $getid3_temp->info['audio'];
$info['audio']['dataformat'] = 'mp'.$info['mpeg']['audio']['layer'];
$info['audio']['sample_rate'] = $info['mpeg']['audio']['sample_rate'];
$info['audio']['channels'] = $info['mpeg']['audio']['channels'];
$info['audio']['bitrate'] = $info['mpeg']['audio']['bitrate'];
$info['audio']['bitrate_mode'] = strtolower($info['mpeg']['audio']['bitrate_mode']);
}
unset($getid3_temp, $getid3_mp3);
}
} elseif (strpos($FirstFourBytes, getid3_ac3::syncword) === 0) {
$getid3_temp = new getID3();
$getid3_temp->openfile($this->getid3->filename);
$getid3_temp->info['avdataoffset'] = $this->ftell() - 4;
$getid3_temp->info['avdataend'] = $this->ftell() + $AudioChunkSize;
$getid3_ac3 = new getid3_ac3($getid3_temp);
$getid3_ac3->Analyze();
if (empty($getid3_temp->info['error'])) {
$info['audio'] = $getid3_temp->info['audio'];
$info['ac3'] = $getid3_temp->info['ac3'];
if (!empty($getid3_temp->info['warning'])) {
foreach ($getid3_temp->info['warning'] as $key => $value) {
$info['warning'][] = $value;
}
}
}
unset($getid3_temp, $getid3_ac3);
}
}
$FoundAllChunksWeNeed = true;
$this->fseek($WhereWeWere);
}
$this->fseek($chunksize - 4, SEEK_CUR);
} else {
if (!isset($RIFFchunk[$listname])) {
$RIFFchunk[$listname] = array();
}
$LISTchunkParent = $listname;
$LISTchunkMaxOffset = $this->ftell() - 4 + $chunksize;
if ($parsedChunk = $this->ParseRIFF($this->ftell(), $LISTchunkMaxOffset)) {
$RIFFchunk[$listname] = array_merge_recursive($RIFFchunk[$listname], $parsedChunk);
}
}
break;
default:
if (preg_match('#^[0-9]{2}(wb|pc|dc|db)$#', $chunkname)) {
$this->fseek($chunksize, SEEK_CUR);
break;
}
$thisindex = 0;
if (isset($RIFFchunk[$chunkname]) && is_array($RIFFchunk[$chunkname])) {
$thisindex = count($RIFFchunk[$chunkname]);
}
$RIFFchunk[$chunkname][$thisindex]['offset'] = $this->ftell() - 8;
$RIFFchunk[$chunkname][$thisindex]['size'] = $chunksize;
switch ($chunkname) {
case 'data':
$info['avdataoffset'] = $this->ftell();
$info['avdataend'] = $info['avdataoffset'] + $chunksize;
$testData = $this->fread(36);
if ($testData === '') {
break;
}
if (preg_match('/^\xFF[\xE2-\xE7\xF2-\xF7\xFA-\xFF][\x00-\xEB]/s', substr($testData, 0, 4))) {
if (getid3_mp3::MPEGaudioHeaderBytesValid(substr($testData, 0, 4))) {
$getid3_temp = new getID3();
$getid3_temp->openfile($this->getid3->filename);
$getid3_temp->info['avdataoffset'] = $info['avdataoffset'];
$getid3_temp->info['avdataend'] = $info['avdataend'];
$getid3_mp3 = new getid3_mp3($getid3_temp, __CLASS__);
$getid3_mp3->getOnlyMPEGaudioInfo($info['avdataoffset'], false);
if (empty($getid3_temp->info['error'])) {
$info['audio'] = $getid3_temp->info['audio'];
$info['mpeg'] = $getid3_temp->info['mpeg'];
}
unset($getid3_temp, $getid3_mp3);
}
} elseif (($isRegularAC3 = (substr($testData, 0, 2) == getid3_ac3::syncword)) || substr($testData, 8, 2) == strrev(getid3_ac3::syncword)) {
$getid3_temp = new getID3();
if ($isRegularAC3) {
$getid3_temp->openfile($this->getid3->filename);
$getid3_temp->info['avdataoffset'] = $info['avdataoffset'];
$getid3_temp->info['avdataend'] = $info['avdataend'];
}
$getid3_ac3 = new getid3_ac3($getid3_temp);
if ($isRegularAC3) {
$getid3_ac3->Analyze();
} else {
$ac3_data = '';
for ($i = 0; $i < 28; $i += 2) {
$ac3_data .= substr($testData, 8 + $i + 1, 1);
$ac3_data .= substr($testData, 8 + $i + 0, 1);
}
$getid3_ac3->AnalyzeString($ac3_data);
}
if (empty($getid3_temp->info['error'])) {
$info['audio'] = $getid3_temp->info['audio'];
$info['ac3'] = $getid3_temp->info['ac3'];
if (!empty($getid3_temp->info['warning'])) {
foreach ($getid3_temp->info['warning'] as $newerror) {
$this->warning('getid3_ac3() says: ['.$newerror.']');
}
}
}
unset($getid3_temp, $getid3_ac3);
} elseif (preg_match('/^('.implode('|', array_map('preg_quote', getid3_dts::$syncwords)).')/', $testData)) {
$getid3_temp = new getID3();
$getid3_temp->openfile($this->getid3->filename);
$getid3_temp->info['avdataoffset'] = $info['avdataoffset'];
$getid3_dts = new getid3_dts($getid3_temp);
$getid3_dts->Analyze();
if (empty($getid3_temp->info['error'])) {
$info['audio'] = $getid3_temp->info['audio'];
$info['dts'] = $getid3_temp->info['dts'];
$info['playtime_seconds'] = $getid3_temp->info['playtime_seconds'];
if (!empty($getid3_temp->info['warning'])) {
foreach ($getid3_temp->info['warning'] as $newerror) {
$this->warning('getid3_dts() says: ['.$newerror.']');
}
}
}
unset($getid3_temp, $getid3_dts);
} elseif (substr($testData, 0, 4) == 'wvpk') {
$info['wavpack']['offset'] = $info['avdataoffset'];
$info['wavpack']['size'] = getid3_lib::LittleEndian2Int(substr($testData, 4, 4));
$this->parseWavPackHeader(substr($testData, 8, 28));
} else {
}
$nextoffset = $info['avdataend'];
$this->fseek($nextoffset);
break;
case 'iXML':
case 'bext':
case 'cart':
case 'fmt ':
case 'strh':
case 'strf':
case 'indx':
case 'MEXT':
case 'DISP':
case 'JUNK':
if ($chunksize < 1048576) {
if ($chunksize > 0) {
$RIFFchunk[$chunkname][$thisindex]['data'] = $this->fread($chunksize);
if ($chunkname == 'JUNK') {
if (preg_match('#^([\\x20-\\x7F]+)#', $RIFFchunk[$chunkname][$thisindex]['data'], $matches)) {
$info['riff']['comments']['junk'][] = trim($matches[1]);
}
unset($RIFFchunk[$chunkname][$thisindex]['data']);
}
}
} else {
$this->warning('Chunk "'.$chunkname.'" at offset '.$this->ftell().' is unexpectedly larger than 1MB (claims to be '.number_format($chunksize).' bytes), skipping data');
$this->fseek($chunksize, SEEK_CUR);
}
break;
default:
if (!empty($LISTchunkParent) && (($RIFFchunk[$chunkname][$thisindex]['offset'] + $RIFFchunk[$chunkname][$thisindex]['size']) <= $LISTchunkMaxOffset)) {
$RIFFchunk[$LISTchunkParent][$chunkname][$thisindex]['offset'] = $RIFFchunk[$chunkname][$thisindex]['offset'];
$RIFFchunk[$LISTchunkParent][$chunkname][$thisindex]['size'] = $RIFFchunk[$chunkname][$thisindex]['size'];
unset($RIFFchunk[$chunkname][$thisindex]['offset']);
unset($RIFFchunk[$chunkname][$thisindex]['size']);
if (isset($RIFFchunk[$chunkname][$thisindex]) && empty($RIFFchunk[$chunkname][$thisindex])) {
unset($RIFFchunk[$chunkname][$thisindex]);
}
if (isset($RIFFchunk[$chunkname]) && empty($RIFFchunk[$chunkname])) {
unset($RIFFchunk[$chunkname]);
}
$RIFFchunk[$LISTchunkParent][$chunkname][$thisindex]['data'] = $this->fread($chunksize);
} elseif ($chunksize < 2048) {
$RIFFchunk[$chunkname][$thisindex]['data'] = $this->fread($chunksize);
} else {
$this->fseek($chunksize, SEEK_CUR);
}
break;
}
break;
}
}
} catch (getid3_exception $e) {
if ($e->getCode() == 10) {
$this->warning('RIFF parser: '.$e->getMessage());
} else {
throw $e;
}
}
return $RIFFchunk;
}
public function ParseRIFFdata(&$RIFFdata) {
$info = &$this->getid3->info;
if ($RIFFdata) {
$tempfile = tempnam(GETID3_TEMP_DIR, 'getID3');
$fp_temp = fopen($tempfile, 'wb');
$RIFFdataLength = strlen($RIFFdata);
$NewLengthString = getid3_lib::LittleEndian2String($RIFFdataLength, 4);
for ($i = 0; $i < 4; $i++) {
$RIFFdata[($i + 4)] = $NewLengthString[$i];
}
fwrite($fp_temp, $RIFFdata);
fclose($fp_temp);
$getid3_temp = new getID3();
$getid3_temp->openfile($tempfile);
$getid3_temp->info['filesize'] = $RIFFdataLength;
$getid3_temp->info['filenamepath'] = $info['filenamepath'];
$getid3_temp->info['tags'] = $info['tags'];
$getid3_temp->info['warning'] = $info['warning'];
$getid3_temp->info['error'] = $info['error'];
$getid3_temp->info['comments'] = $info['comments'];
$getid3_temp->info['audio'] = (isset($info['audio']) ? $info['audio'] : array());
$getid3_temp->info['video'] = (isset($info['video']) ? $info['video'] : array());
$getid3_riff = new getid3_riff($getid3_temp);
$getid3_riff->Analyze();
$info['riff'] = $getid3_temp->info['riff'];
$info['warning'] = $getid3_temp->info['warning'];
$info['error'] = $getid3_temp->info['error'];
$info['tags'] = $getid3_temp->info['tags'];
$info['comments'] = $getid3_temp->info['comments'];
unset($getid3_riff, $getid3_temp);
unlink($tempfile);
}
return false;
}
public static function parseComments(&$RIFFinfoArray, &$CommentsTargetArray) {
$RIFFinfoKeyLookup = array(
'IARL'=>'archivallocation',
'IART'=>'artist',
'ICDS'=>'costumedesigner',
'ICMS'=>'commissionedby',
'ICMT'=>'comment',
'ICNT'=>'country',
'ICOP'=>'copyright',
'ICRD'=>'creationdate',
'IDIM'=>'dimensions',
'IDIT'=>'digitizationdate',
'IDPI'=>'resolution',
'IDST'=>'distributor',
'IEDT'=>'editor',
'IENG'=>'engineers',
'IFRM'=>'accountofparts',
'IGNR'=>'genre',
'IKEY'=>'keywords',
'ILGT'=>'lightness',
'ILNG'=>'language',
'IMED'=>'orignalmedium',
'IMUS'=>'composer',
'INAM'=>'title',
'IPDS'=>'productiondesigner',
'IPLT'=>'palette',
'IPRD'=>'product',
'IPRO'=>'producer',
'IPRT'=>'part',
'IRTD'=>'rating',
'ISBJ'=>'subject',
'ISFT'=>'software',
'ISGN'=>'secondarygenre',
'ISHP'=>'sharpness',
'ISRC'=>'sourcesupplier',
'ISRF'=>'digitizationsource',
'ISTD'=>'productionstudio',
'ISTR'=>'starring',
'ITCH'=>'encoded_by',
'IWEB'=>'url',
'IWRI'=>'writer',
'____'=>'comment',
);
foreach ($RIFFinfoKeyLookup as $key => $value) {
if (isset($RIFFinfoArray[$key])) {
foreach ($RIFFinfoArray[$key] as $commentid => $commentdata) {
if (trim($commentdata['data']) != '') {
if (isset($CommentsTargetArray[$value])) {
$CommentsTargetArray[$value][] = trim($commentdata['data']);
} else {
$CommentsTargetArray[$value] = array(trim($commentdata['data']));
}
}
}
}
}
return true;
}
public static function parseWAVEFORMATex($WaveFormatExData) {
$WaveFormatEx['raw'] = array();
$WaveFormatEx_raw = &$WaveFormatEx['raw'];
$WaveFormatEx_raw['wFormatTag'] = substr($WaveFormatExData, 0, 2);
$WaveFormatEx_raw['nChannels'] = substr($WaveFormatExData, 2, 2);
$WaveFormatEx_raw['nSamplesPerSec'] = substr($WaveFormatExData, 4, 4);
$WaveFormatEx_raw['nAvgBytesPerSec'] = substr($WaveFormatExData, 8, 4);
$WaveFormatEx_raw['nBlockAlign'] = substr($WaveFormatExData, 12, 2);
$WaveFormatEx_raw['wBitsPerSample'] = substr($WaveFormatExData, 14, 2);
if (strlen($WaveFormatExData) > 16) {
$WaveFormatEx_raw['cbSize'] = substr($WaveFormatExData, 16, 2);
}
$WaveFormatEx_raw = array_map('getid3_lib::LittleEndian2Int', $WaveFormatEx_raw);
$WaveFormatEx['codec'] = self::wFormatTagLookup($WaveFormatEx_raw['wFormatTag']);
$WaveFormatEx['channels'] = $WaveFormatEx_raw['nChannels'];
$WaveFormatEx['sample_rate'] = $WaveFormatEx_raw['nSamplesPerSec'];
$WaveFormatEx['bitrate'] = $WaveFormatEx_raw['nAvgBytesPerSec'] * 8;
$WaveFormatEx['bits_per_sample'] = $WaveFormatEx_raw['wBitsPerSample'];
return $WaveFormatEx;
}
public function parseWavPackHeader($WavPackChunkData) {
$info = &$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));
}
$thisfile_wavpack['flags'] = array();
$thisfile_wavpack_flags = &$thisfile_wavpack['flags'];
$thisfile_wavpack_flags['mono'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000001);
$thisfile_wavpack_flags['fast_mode'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000002);
$thisfile_wavpack_flags['raw_mode'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000004);
$thisfile_wavpack_flags['calc_noise'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000008);
$thisfile_wavpack_flags['high_quality'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000010);
$thisfile_wavpack_flags['3_byte_samples'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000020);
$thisfile_wavpack_flags['over_20_bits'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000040);
$thisfile_wavpack_flags['use_wvc'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000080);
$thisfile_wavpack_flags['noiseshaping'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000100);
$thisfile_wavpack_flags['very_fast_mode'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000200);
$thisfile_wavpack_flags['new_high_quality'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000400);
$thisfile_wavpack_flags['cancel_extreme'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x000800);
$thisfile_wavpack_flags['cross_decorrelation'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x001000);
$thisfile_wavpack_flags['new_decorrelation'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x002000);
$thisfile_wavpack_flags['joint_stereo'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x004000);
$thisfile_wavpack_flags['extra_decorrelation'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x008000);
$thisfile_wavpack_flags['override_noiseshape'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x010000);
$thisfile_wavpack_flags['override_jointstereo'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x020000);
$thisfile_wavpack_flags['copy_source_filetime'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x040000);
$thisfile_wavpack_flags['create_exe'] = (bool) ($thisfile_wavpack['flags_raw'] & 0x080000);
}
return true;
}
public static function ParseBITMAPINFOHEADER($BITMAPINFOHEADER, $littleEndian=true) {
$parsed['biSize'] = substr($BITMAPINFOHEADER, 0, 4);
$parsed['biWidth'] = substr($BITMAPINFOHEADER, 4, 4);
$parsed['biHeight'] = substr($BITMAPINFOHEADER, 8, 4);
$parsed['biPlanes'] = substr($BITMAPINFOHEADER, 12, 2);
$parsed['biBitCount'] = substr($BITMAPINFOHEADER, 14, 2);
$parsed['biSizeImage'] = substr($BITMAPINFOHEADER, 20, 4);
$parsed['biXPelsPerMeter'] = substr($BITMAPINFOHEADER, 24, 4);
$parsed['biYPelsPerMeter'] = substr($BITMAPINFOHEADER, 28, 4);
$parsed['biClrUsed'] = substr($BITMAPINFOHEADER, 32, 4);
$parsed['biClrImportant'] = substr($BITMAPINFOHEADER, 36, 4);
$parsed = array_map('getid3_lib::'.($littleEndian ? 'Little' : 'Big').'Endian2Int', $parsed);
$parsed['fourcc'] = substr($BITMAPINFOHEADER, 16, 4);
return $parsed;
}
public static function ParseDIVXTAG($DIVXTAG, $raw=false) {
static $DIVXTAGgenre = array(
0 => 'Action',
1 => 'Action/Adventure',
2 => 'Adventure',
3 => 'Adult',
4 => 'Anime',
5 => 'Cartoon',
6 => 'Claymation',
7 => 'Comedy',
8 => 'Commercial',
9 => 'Documentary',
10 => 'Drama',
11 => 'Home Video',
12 => 'Horror',
13 => 'Infomercial',
14 => 'Interactive',
15 => 'Mystery',
16 => 'Music Video',
17 => 'Other',
18 => 'Religion',
19 => 'Sci Fi',
20 => 'Thriller',
21 => 'Western',
),
$DIVXTAGrating = array(
0 => 'Unrated',
1 => 'G',
2 => 'PG',
3 => 'PG-13',
4 => 'R',
5 => 'NC-17',
);
$parsed['title'] = trim(substr($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));
$parsed['genre'] = (isset($DIVXTAGgenre[$parsed['genre_id']]) ? $DIVXTAGgenre[$parsed['genre_id']] : $parsed['genre_id']);
$parsed['rating'] = (isset($DIVXTAGrating[$parsed['rating_id']]) ? $DIVXTAGrating[$parsed['rating_id']] : $parsed['rating_id']);
if (!$raw) {
unset($parsed['genre_id'], $parsed['rating_id']);
foreach ($parsed as $key => $value) {
if (!$value === '') {
unset($parsed['key']);
}
}
}
foreach ($parsed as $tag => $value) {
$parsed[$tag] = array($value);
}
return $parsed;
}
public static function waveSNDMtagLookup($tagshortname) {
$begin = __LINE__;
return getid3_lib::EmbeddedLookup($tagshortname, $begin, __LINE__, __FILE__, 'riff-sndm');
}
public static function wFormatTagLookup($wFormatTag) {
$begin = __LINE__;
return getid3_lib::EmbeddedLookup('0x'.str_pad(strtoupper(dechex($wFormatTag)), 4, '0', STR_PAD_LEFT), $begin, __LINE__, __FILE__, 'riff-wFormatTag');
}
public static function fourccLookup($fourcc) {
$begin = __LINE__;
return getid3_lib::EmbeddedLookup($fourcc, $begin, __LINE__, __FILE__, 'riff-fourcc');
}
private function EitherEndian2Int($byteword, $signed=false) {
if ($this->container == 'riff') {
return getid3_lib::LittleEndian2Int($byteword, $signed);
}
return getid3_lib::BigEndian2Int($byteword, false, $signed);
}
}