mirror of
https://github.com/Poniverse/Pony.fm.git
synced 2024-11-23 13:37:59 +01:00
429 lines
16 KiB
PHP
429 lines
16 KiB
PHP
|
<?php
|
||
|
|
/////////////////////////////////////////////////////////////////
|
||
|
|
/// getID3() by James Heinrich <info@getid3.org> //
|
||
|
|
// available at http://getid3.sourceforge.net //
|
||
|
|
// or http://www.getid3.org //
|
||
|
|
/////////////////////////////////////////////////////////////////
|
||
|
|
// See readme.txt for more details //
|
||
|
|
/////////////////////////////////////////////////////////////////
|
||
|
|
// //
|
||
|
|
// module.audio.optimfrog.php //
|
||
|
|
// module for analyzing OptimFROG audio files //
|
||
|
|
// dependencies: module.audio.riff.php //
|
||
|
|
// ///
|
||
|
|
/////////////////////////////////////////////////////////////////
|
||
|
|
|
||
|
|
getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.audio-video.riff.php', __FILE__, true);
|
||
|
|
|
||
|
|
class getid3_optimfrog extends getid3_handler
|
||
|
|
{
|
||
|
|
|
||
|
|
function Analyze() {
|
||
|
|
$info = &$this->getid3->info;
|
||
|
|
|
||
|
|
$info['fileformat'] = 'ofr';
|
||
|
|
$info['audio']['dataformat'] = 'ofr';
|
||
|
|
$info['audio']['bitrate_mode'] = 'vbr';
|
||
|
|
$info['audio']['lossless'] = true;
|
||
|
|
|
||
|
|
fseek($this->getid3->fp, $info['avdataoffset'], SEEK_SET);
|
||
|
|
$OFRheader = fread($this->getid3->fp, 8);
|
||
|
|
if (substr($OFRheader, 0, 5) == '*RIFF') {
|
||
|
|
|
||
|
|
return $this->ParseOptimFROGheader42();
|
||
|
|
|
||
|
|
} elseif (substr($OFRheader, 0, 3) == 'OFR') {
|
||
|
|
|
||
|
|
return $this->ParseOptimFROGheader45();
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
$info['error'][] = 'Expecting "*RIFF" or "OFR " at offset '.$info['avdataoffset'].', found "'.getid3_lib::PrintHexBytes($OFRheader).'"';
|
||
|
|
unset($info['fileformat']);
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
function ParseOptimFROGheader42() {
|
||
|
|
// for fileformat of v4.21 and older
|
||
|
|
|
||
|
|
$info = &$this->getid3->info;
|
||
|
|
fseek($this->getid3->fp, $info['avdataoffset'], SEEK_SET);
|
||
|
|
$OptimFROGheaderData = fread($this->getid3->fp, 45);
|
||
|
|
$info['avdataoffset'] = 45;
|
||
|
|
|
||
|
|
$OptimFROGencoderVersion_raw = getid3_lib::LittleEndian2Int(substr($OptimFROGheaderData, 0, 1));
|
||
|
|
$OptimFROGencoderVersion_major = floor($OptimFROGencoderVersion_raw / 10);
|
||
|
|
$OptimFROGencoderVersion_minor = $OptimFROGencoderVersion_raw - ($OptimFROGencoderVersion_major * 10);
|
||
|
|
$RIFFdata = substr($OptimFROGheaderData, 1, 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_temp = new getID3();
|
||
|
|
$getid3_temp->openfile($this->getid3->filename);
|
||
|
|
$getid3_temp->info['avdataoffset'] = $info['avdataoffset'];
|
||
|
|
$getid3_temp->info['avdataend'] = $info['avdataend'];
|
||
|
|
$getid3_riff = new getid3_riff($getid3_temp);
|
||
|
|
$getid3_riff->ParseRIFFdata($RIFFdata);
|
||
|
|
$info['riff'] = $getid3_temp->info['riff'];
|
||
|
|
|
||
|
|
$info['audio']['encoder'] = 'OptimFROG '.$OptimFROGencoderVersion_major.'.'.$OptimFROGencoderVersion_minor;
|
||
|
|
$info['audio']['channels'] = $info['riff']['audio'][0]['channels'];
|
||
|
|
$info['audio']['sample_rate'] = $info['riff']['audio'][0]['sample_rate'];
|
||
|
|
$info['audio']['bits_per_sample'] = $info['riff']['audio'][0]['bits_per_sample'];
|
||
|
|
$info['playtime_seconds'] = $OrignalRIFFdataSize / ($info['audio']['channels'] * $info['audio']['sample_rate'] * ($info['audio']['bits_per_sample'] / 8));
|
||
|
|
$info['audio']['bitrate'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / $info['playtime_seconds'];
|
||
|
|
|
||
|
|
unset($getid3_riff, $getid3_temp, $RIFFdata);
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
function ParseOptimFROGheader45() {
|
||
|
|
// for fileformat of v4.50a and higher
|
||
|
|
|
||
|
|
$info = &$this->getid3->info;
|
||
|
|
$RIFFdata = '';
|
||
|
|
fseek($this->getid3->fp, $info['avdataoffset'], SEEK_SET);
|
||
|
|
while (!feof($this->getid3->fp) && (ftell($this->getid3->fp) < $info['avdataend'])) {
|
||
|
|
$BlockOffset = ftell($this->getid3->fp);
|
||
|
|
$BlockData = fread($this->getid3->fp, 8);
|
||
|
|
$offset = 8;
|
||
|
|
$BlockName = substr($BlockData, 0, 4);
|
||
|
|
$BlockSize = getid3_lib::LittleEndian2Int(substr($BlockData, 4, 4));
|
||
|
|
|
||
|
|
if ($BlockName == 'OFRX') {
|
||
|
|
$BlockName = 'OFR ';
|
||
|
|
}
|
||
|
|
if (!isset($info['ofr'][$BlockName])) {
|
||
|
|
$info['ofr'][$BlockName] = array();
|
||
|
|
}
|
||
|
|
$thisfile_ofr_thisblock = &$info['ofr'][$BlockName];
|
||
|
|
|
||
|
|
switch ($BlockName) {
|
||
|
|
case 'OFR ':
|
||
|
|
|
||
|
|
// shortcut
|
||
|
|
$thisfile_ofr_thisblock['offset'] = $BlockOffset;
|
||
|
|
$thisfile_ofr_thisblock['size'] = $BlockSize;
|
||
|
|
|
||
|
|
$info['audio']['encoder'] = 'OptimFROG 4.50 alpha';
|
||
|
|
switch ($BlockSize) {
|
||
|
|
case 12:
|
||
|
|
case 15:
|
||
|
|
// good
|
||
|
|
break;
|
||
|
|
|
||
|
|
default:
|
||
|
|
$info['warning'][] = '"'.$BlockName.'" contains more data than expected (expected 12 or 15 bytes, found '.$BlockSize.' bytes)';
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
$BlockData .= fread($this->getid3->fp, $BlockSize);
|
||
|
|
|
||
|
|
$thisfile_ofr_thisblock['total_samples'] = getid3_lib::LittleEndian2Int(substr($BlockData, $offset, 6));
|
||
|
|
$offset += 6;
|
||
|
|
$thisfile_ofr_thisblock['raw']['sample_type'] = getid3_lib::LittleEndian2Int(substr($BlockData, $offset, 1));
|
||
|
|
$thisfile_ofr_thisblock['sample_type'] = $this->OptimFROGsampleTypeLookup($thisfile_ofr_thisblock['raw']['sample_type']);
|
||
|
|
$offset += 1;
|
||
|
|
$thisfile_ofr_thisblock['channel_config'] = getid3_lib::LittleEndian2Int(substr($BlockData, $offset, 1));
|
||
|
|
$thisfile_ofr_thisblock['channels'] = $thisfile_ofr_thisblock['channel_config'];
|
||
|
|
$offset += 1;
|
||
|
|
$thisfile_ofr_thisblock['sample_rate'] = getid3_lib::LittleEndian2Int(substr($BlockData, $offset, 4));
|
||
|
|
$offset += 4;
|
||
|
|
|
||
|
|
if ($BlockSize > 12) {
|
||
|
|
|
||
|
|
// OFR 4.504b or higher
|
||
|
|
$thisfile_ofr_thisblock['channels'] = $this->OptimFROGchannelConfigNumChannelsLookup($thisfile_ofr_thisblock['channel_config']);
|
||
|
|
$thisfile_ofr_thisblock['raw']['encoder_id'] = getid3_lib::LittleEndian2Int(substr($BlockData, $offset, 2));
|
||
|
|
$thisfile_ofr_thisblock['encoder'] = $this->OptimFROGencoderNameLookup($thisfile_ofr_thisblock['raw']['encoder_id']);
|
||
|
|
$offset += 2;
|
||
|
|
$thisfile_ofr_thisblock['raw']['compression'] = getid3_lib::LittleEndian2Int(substr($BlockData, $offset, 1));
|
||
|
|
$thisfile_ofr_thisblock['compression'] = $this->OptimFROGcompressionLookup($thisfile_ofr_thisblock['raw']['compression']);
|
||
|
|
$thisfile_ofr_thisblock['speedup'] = $this->OptimFROGspeedupLookup($thisfile_ofr_thisblock['raw']['compression']);
|
||
|
|
$offset += 1;
|
||
|
|
|
||
|
|
$info['audio']['encoder'] = 'OptimFROG '.$thisfile_ofr_thisblock['encoder'];
|
||
|
|
$info['audio']['encoder_options'] = '--mode '.$thisfile_ofr_thisblock['compression'];
|
||
|
|
|
||
|
|
if ((($thisfile_ofr_thisblock['raw']['encoder_id'] & 0xF0) >> 4) == 7) { // v4.507
|
||
|
|
if (strtolower(getid3_lib::fileextension($info['filename'])) == 'ofs') {
|
||
|
|
// OptimFROG DualStream format is lossy, but as of v4.507 there is no way to tell the difference
|
||
|
|
// between lossless and lossy other than the file extension.
|
||
|
|
$info['audio']['dataformat'] = 'ofs';
|
||
|
|
$info['audio']['lossless'] = true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
$info['audio']['channels'] = $thisfile_ofr_thisblock['channels'];
|
||
|
|
$info['audio']['sample_rate'] = $thisfile_ofr_thisblock['sample_rate'];
|
||
|
|
$info['audio']['bits_per_sample'] = $this->OptimFROGbitsPerSampleTypeLookup($thisfile_ofr_thisblock['raw']['sample_type']);
|
||
|
|
break;
|
||
|
|
|
||
|
|
|
||
|
|
case 'COMP':
|
||
|
|
// unlike other block types, there CAN be multiple COMP blocks
|
||
|
|
|
||
|
|
$COMPdata['offset'] = $BlockOffset;
|
||
|
|
$COMPdata['size'] = $BlockSize;
|
||
|
|
|
||
|
|
if ($info['avdataoffset'] == 0) {
|
||
|
|
$info['avdataoffset'] = $BlockOffset;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Only interested in first 14 bytes (only first 12 needed for v4.50 alpha), not actual audio data
|
||
|
|
$BlockData .= fread($this->getid3->fp, 14);
|
||
|
|
fseek($this->getid3->fp, $BlockSize - 14, SEEK_CUR);
|
||
|
|
|
||
|
|
$COMPdata['crc_32'] = getid3_lib::LittleEndian2Int(substr($BlockData, $offset, 4));
|
||
|
|
$offset += 4;
|
||
|
|
$COMPdata['sample_count'] = getid3_lib::LittleEndian2Int(substr($BlockData, $offset, 4));
|
||
|
|
$offset += 4;
|
||
|
|
$COMPdata['raw']['sample_type'] = getid3_lib::LittleEndian2Int(substr($BlockData, $offset, 1));
|
||
|
|
$COMPdata['sample_type'] = $this->OptimFROGsampleTypeLookup($COMPdata['raw']['sample_type']);
|
||
|
|
$offset += 1;
|
||
|
|
$COMPdata['raw']['channel_configuration'] = getid3_lib::LittleEndian2Int(substr($BlockData, $offset, 1));
|
||
|
|
$COMPdata['channel_configuration'] = $this->OptimFROGchannelConfigurationLookup($COMPdata['raw']['channel_configuration']);
|
||
|
|
$offset += 1;
|
||
|
|
$COMPdata['raw']['algorithm_id'] = getid3_lib::LittleEndian2Int(substr($BlockData, $offset, 2));
|
||
|
|
//$COMPdata['algorithm'] = OptimFROGalgorithmNameLookup($COMPdata['raw']['algorithm_id']);
|
||
|
|
$offset += 2;
|
||
|
|
|
||
|
|
if ($info['ofr']['OFR ']['size'] > 12) {
|
||
|
|
|
||
|
|
// OFR 4.504b or higher
|
||
|
|
$COMPdata['raw']['encoder_id'] = getid3_lib::LittleEndian2Int(substr($BlockData, $offset, 2));
|
||
|
|
$COMPdata['encoder'] = $this->OptimFROGencoderNameLookup($COMPdata['raw']['encoder_id']);
|
||
|
|
$offset += 2;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($COMPdata['crc_32'] == 0x454E4F4E) {
|
||
|
|
// ASCII value of 'NONE' - placeholder value in v4.50a
|
||
|
|
$COMPdata['crc_32'] = false;
|
||
|
|
}
|
||
|
|
|
||
|
|
$thisfile_ofr_thisblock[] = $COMPdata;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'HEAD':
|
||
|
|
$thisfile_ofr_thisblock['offset'] = $BlockOffset;
|
||
|
|
$thisfile_ofr_thisblock['size'] = $BlockSize;
|
||
|
|
|
||
|
|
$RIFFdata .= fread($this->getid3->fp, $BlockSize);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'TAIL':
|
||
|
|
$thisfile_ofr_thisblock['offset'] = $BlockOffset;
|
||
|
|
$thisfile_ofr_thisblock['size'] = $BlockSize;
|
||
|
|
|
||
|
|
if ($BlockSize > 0) {
|
||
|
|
$RIFFdata .= fread($this->getid3->fp, $BlockSize);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case 'RECV':
|
||
|
|
// block contains no useful meta data - simply note and skip
|
||
|
|
|
||
|
|
$thisfile_ofr_thisblock['offset'] = $BlockOffset;
|
||
|
|
$thisfile_ofr_thisblock['size'] = $BlockSize;
|
||
|
|
|
||
|
|
fseek($this->getid3->fp, $BlockSize, SEEK_CUR);
|
||
|
|
break;
|
||
|
|
|
||
|
|
|
||
|
|
case 'APET':
|
||
|
|
// APEtag v2
|
||
|
|
|
||
|
|
$thisfile_ofr_thisblock['offset'] = $BlockOffset;
|
||
|
|
$thisfile_ofr_thisblock['size'] = $BlockSize;
|
||
|
|
$info['warning'][] = 'APEtag processing inside OptimFROG not supported in this version ('.$this->getid3->version().') of getID3()';
|
||
|
|
|
||
|
|
fseek($this->getid3->fp, $BlockSize, SEEK_CUR);
|
||
|
|
break;
|
||
|
|
|
||
|
|
|
||
|
|
case 'MD5 ':
|
||
|
|
// APEtag v2
|
||
|
|
|
||
|
|
$thisfile_ofr_thisblock['offset'] = $BlockOffset;
|
||
|
|
$thisfile_ofr_thisblock['size'] = $BlockSize;
|
||
|
|
|
||
|
|
if ($BlockSize == 16) {
|
||
|
|
|
||
|
|
$thisfile_ofr_thisblock['md5_binary'] = fread($this->getid3->fp, $BlockSize);
|
||
|
|
$thisfile_ofr_thisblock['md5_string'] = getid3_lib::PrintHexBytes($thisfile_ofr_thisblock['md5_binary'], true, false, false);
|
||
|
|
$info['md5_data_source'] = $thisfile_ofr_thisblock['md5_string'];
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
$info['warning'][] = 'Expecting block size of 16 in "MD5 " chunk, found '.$BlockSize.' instead';
|
||
|
|
fseek($this->getid3->fp, $BlockSize, SEEK_CUR);
|
||
|
|
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
|
||
|
|
default:
|
||
|
|
$thisfile_ofr_thisblock['offset'] = $BlockOffset;
|
||
|
|
$thisfile_ofr_thisblock['size'] = $BlockSize;
|
||
|
|
|
||
|
|
$info['warning'][] = 'Unhandled OptimFROG block type "'.$BlockName.'" at offset '.$thisfile_ofr_thisblock['offset'];
|
||
|
|
fseek($this->getid3->fp, $BlockSize, SEEK_CUR);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (isset($info['ofr']['TAIL']['offset'])) {
|
||
|
|
$info['avdataend'] = $info['ofr']['TAIL']['offset'];
|
||
|
|
}
|
||
|
|
|
||
|
|
$info['playtime_seconds'] = (float) $info['ofr']['OFR ']['total_samples'] / ($info['audio']['channels'] * $info['audio']['sample_rate']);
|
||
|
|
$info['audio']['bitrate'] = (($info['avdataend'] - $info['avdataoffset']) * 8) / $info['playtime_seconds'];
|
||
|
|
|
||
|
|
// 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_temp = new getID3();
|
||
|
|
$getid3_temp->openfile($this->getid3->filename);
|
||
|
|
$getid3_temp->info['avdataoffset'] = $info['avdataoffset'];
|
||
|
|
$getid3_temp->info['avdataend'] = $info['avdataend'];
|
||
|
|
$getid3_riff = new getid3_riff($getid3_temp);
|
||
|
|
$getid3_riff->ParseRIFFdata($RIFFdata);
|
||
|
|
$info['riff'] = $getid3_temp->info['riff'];
|
||
|
|
|
||
|
|
unset($getid3_riff, $getid3_temp, $RIFFdata);
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
static function OptimFROGsampleTypeLookup($SampleType) {
|
||
|
|
static $OptimFROGsampleTypeLookup = array(
|
||
|
|
0 => 'unsigned int (8-bit)',
|
||
|
|
1 => 'signed int (8-bit)',
|
||
|
|
2 => 'unsigned int (16-bit)',
|
||
|
|
3 => 'signed int (16-bit)',
|
||
|
|
4 => 'unsigned int (24-bit)',
|
||
|
|
5 => 'signed int (24-bit)',
|
||
|
|
6 => 'unsigned int (32-bit)',
|
||
|
|
7 => 'signed int (32-bit)',
|
||
|
|
8 => 'float 0.24 (32-bit)',
|
||
|
|
9 => 'float 16.8 (32-bit)',
|
||
|
|
10 => 'float 24.0 (32-bit)'
|
||
|
|
);
|
||
|
|
return (isset($OptimFROGsampleTypeLookup[$SampleType]) ? $OptimFROGsampleTypeLookup[$SampleType] : false);
|
||
|
|
}
|
||
|
|
|
||
|
|
static function OptimFROGbitsPerSampleTypeLookup($SampleType) {
|
||
|
|
static $OptimFROGbitsPerSampleTypeLookup = array(
|
||
|
|
0 => 8,
|
||
|
|
1 => 8,
|
||
|
|
2 => 16,
|
||
|
|
3 => 16,
|
||
|
|
4 => 24,
|
||
|
|
5 => 24,
|
||
|
|
6 => 32,
|
||
|
|
7 => 32,
|
||
|
|
8 => 32,
|
||
|
|
9 => 32,
|
||
|
|
10 => 32
|
||
|
|
);
|
||
|
|
return (isset($OptimFROGbitsPerSampleTypeLookup[$SampleType]) ? $OptimFROGbitsPerSampleTypeLookup[$SampleType] : false);
|
||
|
|
}
|
||
|
|
|
||
|
|
static function OptimFROGchannelConfigurationLookup($ChannelConfiguration) {
|
||
|
|
static $OptimFROGchannelConfigurationLookup = array(
|
||
|
|
0 => 'mono',
|
||
|
|
1 => 'stereo'
|
||
|
|
);
|
||
|
|
return (isset($OptimFROGchannelConfigurationLookup[$ChannelConfiguration]) ? $OptimFROGchannelConfigurationLookup[$ChannelConfiguration] : false);
|
||
|
|
}
|
||
|
|
|
||
|
|
static function OptimFROGchannelConfigNumChannelsLookup($ChannelConfiguration) {
|
||
|
|
static $OptimFROGchannelConfigNumChannelsLookup = array(
|
||
|
|
0 => 1,
|
||
|
|
1 => 2
|
||
|
|
);
|
||
|
|
return (isset($OptimFROGchannelConfigNumChannelsLookup[$ChannelConfiguration]) ? $OptimFROGchannelConfigNumChannelsLookup[$ChannelConfiguration] : false);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
// static function OptimFROGalgorithmNameLookup($AlgorithID) {
|
||
|
|
// static $OptimFROGalgorithmNameLookup = array();
|
||
|
|
// return (isset($OptimFROGalgorithmNameLookup[$AlgorithID]) ? $OptimFROGalgorithmNameLookup[$AlgorithID] : false);
|
||
|
|
// }
|
||
|
|
|
||
|
|
|
||
|
|
static function OptimFROGencoderNameLookup($EncoderID) {
|
||
|
|
// version = (encoderID >> 4) + 4500
|
||
|
|
// system = encoderID & 0xF
|
||
|
|
|
||
|
|
$EncoderVersion = number_format(((($EncoderID & 0xF0) >> 4) + 4500) / 1000, 3);
|
||
|
|
$EncoderSystemID = ($EncoderID & 0x0F);
|
||
|
|
|
||
|
|
static $OptimFROGencoderSystemLookup = array(
|
||
|
|
0x00 => 'Windows console',
|
||
|
|
0x01 => 'Linux console',
|
||
|
|
0x0F => 'unknown'
|
||
|
|
);
|
||
|
|
return $EncoderVersion.' ('.(isset($OptimFROGencoderSystemLookup[$EncoderSystemID]) ? $OptimFROGencoderSystemLookup[$EncoderSystemID] : 'undefined encoder type (0x'.dechex($EncoderSystemID).')').')';
|
||
|
|
}
|
||
|
|
|
||
|
|
static function OptimFROGcompressionLookup($CompressionID) {
|
||
|
|
// mode = compression >> 3
|
||
|
|
// speedup = compression & 0x07
|
||
|
|
|
||
|
|
$CompressionModeID = ($CompressionID & 0xF8) >> 3;
|
||
|
|
//$CompressionSpeedupID = ($CompressionID & 0x07);
|
||
|
|
|
||
|
|
static $OptimFROGencoderModeLookup = array(
|
||
|
|
0x00 => 'fast',
|
||
|
|
0x01 => 'normal',
|
||
|
|
0x02 => 'high',
|
||
|
|
0x03 => 'extra', // extranew (some versions)
|
||
|
|
0x04 => 'best', // bestnew (some versions)
|
||
|
|
0x05 => 'ultra',
|
||
|
|
0x06 => 'insane',
|
||
|
|
0x07 => 'highnew',
|
||
|
|
0x08 => 'extranew',
|
||
|
|
0x09 => 'bestnew'
|
||
|
|
);
|
||
|
|
return (isset($OptimFROGencoderModeLookup[$CompressionModeID]) ? $OptimFROGencoderModeLookup[$CompressionModeID] : 'undefined mode (0x'.str_pad(dechex($CompressionModeID), 2, '0', STR_PAD_LEFT).')');
|
||
|
|
}
|
||
|
|
|
||
|
|
static function OptimFROGspeedupLookup($CompressionID) {
|
||
|
|
// mode = compression >> 3
|
||
|
|
// speedup = compression & 0x07
|
||
|
|
|
||
|
|
//$CompressionModeID = ($CompressionID & 0xF8) >> 3;
|
||
|
|
$CompressionSpeedupID = ($CompressionID & 0x07);
|
||
|
|
|
||
|
|
static $OptimFROGencoderSpeedupLookup = array(
|
||
|
|
0x00 => '1x',
|
||
|
|
0x01 => '2x',
|
||
|
|
0x02 => '4x'
|
||
|
|
);
|
||
|
|
return (isset($OptimFROGencoderSpeedupLookup[$CompressionSpeedupID]) ? $OptimFROGencoderSpeedupLookup[$CompressionSpeedupID] : 'undefined mode (0x'.dechex($CompressionSpeedupID));
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
?>
|