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-rw-r--r--getid3/module.audio.optimfrog.php408
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diff --git a/getid3/module.audio.optimfrog.php b/getid3/module.audio.optimfrog.php
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--- a/getid3/module.audio.optimfrog.php
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@@ -1,408 +0,0 @@
-<?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
-{
-
- function getid3_optimfrog(&$fd, &$ThisFileInfo) {
- $ThisFileInfo['fileformat'] = 'ofr';
- $ThisFileInfo['audio']['dataformat'] = 'ofr';
- $ThisFileInfo['audio']['bitrate_mode'] = 'vbr';
- $ThisFileInfo['audio']['lossless'] = true;
-
- fseek($fd, $ThisFileInfo['avdataoffset'], SEEK_SET);
- $OFRheader = fread($fd, 8);
- if (substr($OFRheader, 0, 5) == '*RIFF') {
-
- return $this->ParseOptimFROGheader42($fd, $ThisFileInfo);
-
- } elseif (substr($OFRheader, 0, 3) == 'OFR') {
-
- return $this->ParseOptimFROGheader45($fd, $ThisFileInfo);
-
- }
-
- $ThisFileInfo['error'][] = 'Expecting "*RIFF" or "OFR " at offset '.$ThisFileInfo['avdataoffset'].', found "'.$OFRheader.'"';
- unset($ThisFileInfo['fileformat']);
- return false;
- }
-
-
- function ParseOptimFROGheader42(&$fd, &$ThisFileInfo) {
- // for fileformat of v4.21 and older
-
- fseek($fd, $ThisFileInfo['avdataoffset'], SEEK_SET);
- $OptimFROGheaderData = fread($fd, 45);
- $ThisFileInfo['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) {
- $ThisFileInfo['avdataend'] -= ($OrignalRIFFheaderSize - $OrignalRIFFdataSize);
- fseek($fd, $ThisFileInfo['avdataend'], SEEK_SET);
- $RIFFdata .= fread($fd, $OrignalRIFFheaderSize - $OrignalRIFFdataSize);
- }
-
- // move the data chunk after all other chunks (if any)
- // so that the RIFF parser doesn't see EOF when trying
- // to skip over the data chunk
- $RIFFdata = substr($RIFFdata, 0, 36).substr($RIFFdata, 44).substr($RIFFdata, 36, 8);
- getid3_riff::ParseRIFFdata($RIFFdata, $ThisFileInfo);
-
- $ThisFileInfo['audio']['encoder'] = 'OptimFROG '.$OptimFROGencoderVersion_major.'.'.$OptimFROGencoderVersion_minor;
- $ThisFileInfo['audio']['channels'] = $ThisFileInfo['riff']['audio'][0]['channels'];
- $ThisFileInfo['audio']['sample_rate'] = $ThisFileInfo['riff']['audio'][0]['sample_rate'];
- $ThisFileInfo['audio']['bits_per_sample'] = $ThisFileInfo['riff']['audio'][0]['bits_per_sample'];
- $ThisFileInfo['playtime_seconds'] = $OrignalRIFFdataSize / ($ThisFileInfo['audio']['channels'] * $ThisFileInfo['audio']['sample_rate'] * ($ThisFileInfo['audio']['bits_per_sample'] / 8));
- $ThisFileInfo['audio']['bitrate'] = (($ThisFileInfo['avdataend'] - $ThisFileInfo['avdataoffset']) * 8) / $ThisFileInfo['playtime_seconds'];
-
- return true;
- }
-
-
- function ParseOptimFROGheader45(&$fd, &$ThisFileInfo) {
- // for fileformat of v4.50a and higher
-
- $RIFFdata = '';
- fseek($fd, $ThisFileInfo['avdataoffset'], SEEK_SET);
- while (!feof($fd) && (ftell($fd) < $ThisFileInfo['avdataend'])) {
- $BlockOffset = ftell($fd);
- $BlockData = fread($fd, 8);
- $offset = 8;
- $BlockName = substr($BlockData, 0, 4);
- $BlockSize = getid3_lib::LittleEndian2Int(substr($BlockData, 4, 4));
-
- if ($BlockName == 'OFRX') {
- $BlockName = 'OFR ';
- }
- if (!isset($ThisFileInfo['ofr'][$BlockName])) {
- $ThisFileInfo['ofr'][$BlockName] = array();
- }
- $thisfile_ofr_thisblock = &$ThisFileInfo['ofr'][$BlockName];
-
- switch ($BlockName) {
- case 'OFR ':
-
- // shortcut
- $thisfile_ofr_thisblock['offset'] = $BlockOffset;
- $thisfile_ofr_thisblock['size'] = $BlockSize;
-
- $ThisFileInfo['audio']['encoder'] = 'OptimFROG 4.50 alpha';
- switch ($BlockSize) {
- case 12:
- case 15:
- // good
- break;
-
- default:
- $ThisFileInfo['warning'][] = '"'.$BlockName.'" contains more data than expected (expected 12 or 15 bytes, found '.$BlockSize.' bytes)';
- break;
- }
- $BlockData .= fread($fd, $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;
-
- $ThisFileInfo['audio']['encoder'] = 'OptimFROG '.$thisfile_ofr_thisblock['encoder'];
- $ThisFileInfo['audio']['encoder_options'] = '--mode '.$thisfile_ofr_thisblock['compression'];
-
- if ((($thisfile_ofr_thisblock['raw']['encoder_id'] & 0xF0) >> 4) == 7) { // v4.507
- if (strtolower(getid3_lib::fileextension($ThisFileInfo['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.
- $ThisFileInfo['audio']['dataformat'] = 'ofs';
- $ThisFileInfo['audio']['lossless'] = true;
- }
- }
-
- }
-
- $ThisFileInfo['audio']['channels'] = $thisfile_ofr_thisblock['channels'];
- $ThisFileInfo['audio']['sample_rate'] = $thisfile_ofr_thisblock['sample_rate'];
- $ThisFileInfo['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'] = $BlockSize;
-
- if ($ThisFileInfo['avdataoffset'] == 0) {
- $ThisFileInfo['avdataoffset'] = $BlockOffset;
- }
-
- // Only interested in first 14 bytes (only first 12 needed for v4.50 alpha), not actual audio data
- $BlockData .= fread($fd, 14);
- fseek($fd, $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']);
- $offset += 2;
-
- if ($ThisFileInfo['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;
-
- $RIFFdata .= fread($fd, $BlockSize);
- break;
-
- case 'TAIL':
- $thisfile_ofr_thisblock['offset'] = $BlockOffset;
- $thisfile_ofr_thisblock['size'] = $BlockSize;
-
- if ($BlockSize > 0) {
- $RIFFdata .= fread($fd, $BlockSize);
- }
- break;
-
- case 'RECV':
- // block contains no useful meta data - simply note and skip
-
- $thisfile_ofr_thisblock['offset'] = $BlockOffset;
- $thisfile_ofr_thisblock['size'] = $BlockSize;
-
- fseek($fd, $BlockSize, SEEK_CUR);
- break;
-
-
- case 'APET':
- // APEtag v2
-
- $thisfile_ofr_thisblock['offset'] = $BlockOffset;
- $thisfile_ofr_thisblock['size'] = $BlockSize;
- $ThisFileInfo['warning'][] = 'APEtag processing inside OptimFROG not supported in this version ('.GETID3_VERSION.') of getID3()';
-
- fseek($fd, $BlockSize, SEEK_CUR);
- break;
-
-
- case 'MD5 ':
- // APEtag v2
-
- $thisfile_ofr_thisblock['offset'] = $BlockOffset;
- $thisfile_ofr_thisblock['size'] = $BlockSize;
-
- if ($BlockSize == 16) {
-
- $thisfile_ofr_thisblock['md5_binary'] = fread($fd, $BlockSize);
- $thisfile_ofr_thisblock['md5_string'] = getid3_lib::PrintHexBytes($thisfile_ofr_thisblock['md5_binary'], true, false, false);
- $ThisFileInfo['md5_data_source'] = $thisfile_ofr_thisblock['md5_string'];
-
- } else {
-
- $ThisFileInfo['warning'][] = 'Expecting block size of 16 in "MD5 " chunk, found '.$BlockSize.' instead';
- fseek($fd, $BlockSize, SEEK_CUR);
-
- }
- break;
-
-
- default:
- $thisfile_ofr_thisblock['offset'] = $BlockOffset;
- $thisfile_ofr_thisblock['size'] = $BlockSize;
-
- $ThisFileInfo['warning'][] = 'Unhandled OptimFROG block type "'.$BlockName.'" at offset '.$thisfile_ofr_thisblock['offset'];
- fseek($fd, $BlockSize, SEEK_CUR);
- break;
- }
- }
- if (isset($ThisFileInfo['ofr']['TAIL']['offset'])) {
- $ThisFileInfo['avdataend'] = $ThisFileInfo['ofr']['TAIL']['offset'];
- }
-
- $ThisFileInfo['playtime_seconds'] = (float) $ThisFileInfo['ofr']['OFR ']['total_samples'] / ($ThisFileInfo['audio']['channels'] * $ThisFileInfo['audio']['sample_rate']);
- $ThisFileInfo['audio']['bitrate'] = (($ThisFileInfo['avdataend'] - $ThisFileInfo['avdataoffset']) * 8) / $ThisFileInfo['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_riff::ParseRIFFdata($RIFFdata, $ThisFileInfo);
-
- return true;
- }
-
-
- function OptimFROGsampleTypeLookup($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);
- }
-
- 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);
- }
-
- function OptimFROGchannelConfigurationLookup($ChannelConfiguration) {
- static $OptimFROGchannelConfigurationLookup = array(
- 0 => 'mono',
- 1 => 'stereo'
- );
- return (isset($OptimFROGchannelConfigurationLookup[$ChannelConfiguration]) ? $OptimFROGchannelConfigurationLookup[$ChannelConfiguration] : false);
- }
-
- function OptimFROGchannelConfigNumChannelsLookup($ChannelConfiguration) {
- static $OptimFROGchannelConfigNumChannelsLookup = array(
- 0 => 1,
- 1 => 2
- );
- return (isset($OptimFROGchannelConfigNumChannelsLookup[$ChannelConfiguration]) ? $OptimFROGchannelConfigNumChannelsLookup[$ChannelConfiguration] : false);
- }
-
-
-
- // function OptimFROGalgorithmNameLookup($AlgorithID) {
- // static $OptimFROGalgorithmNameLookup = array();
- // return (isset($OptimFROGalgorithmNameLookup[$AlgorithID]) ? $OptimFROGalgorithmNameLookup[$AlgorithID] : false);
- // }
-
-
- 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($EncoderSystemID).')').')';
- }
-
- function OptimFROGcompressionLookup($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($CompressionModeID), 2, '0', STR_PAD_LEFT).')');
- }
-
- function OptimFROGspeedupLookup($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));
- }
-
-}
-
-
-?> \ No newline at end of file
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-14 16:41:53 +0000