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PHP getid3_riff::ParseRIFFdata方法代码示例

本文整理汇总了PHP中getid3_riff::ParseRIFFdata方法的典型用法代码示例。如果您正苦于以下问题:PHP getid3_riff::ParseRIFFdata方法的具体用法?PHP getid3_riff::ParseRIFFdata怎么用?PHP getid3_riff::ParseRIFFdata使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在getid3_riff的用法示例。


在下文中一共展示了getid3_riff::ParseRIFFdata方法的4个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的PHP代码示例。

示例1: getid3_riff


//.........这里部分代码省略.........
                 for ($i = 0; $i < 8; $i++) {
                     $thisfile_riff_WAVE_cart_0['post_time'][$i]['usage_fourcc'] = substr($thisfile_riff_WAVE_cart_0['data'], 684 + $i * 8, 4);
                     $thisfile_riff_WAVE_cart_0['post_time'][$i]['timer_value'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_cart_0['data'], 684 + $i * 8 + 4, 4));
                 }
                 $thisfile_riff_WAVE_cart_0['url'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 748, 1024));
                 $thisfile_riff_WAVE_cart_0['tag_text'] = explode("\r\n", trim(substr($thisfile_riff_WAVE_cart_0['data'], 1772)));
                 $thisfile_riff['comments']['artist'][] = $thisfile_riff_WAVE_cart_0['artist'];
                 $thisfile_riff['comments']['title'][] = $thisfile_riff_WAVE_cart_0['title'];
             }
             if (!isset($thisfile_audio['bitrate']) && isset($thisfile_riff_audio[$streamindex]['bitrate'])) {
                 $thisfile_audio['bitrate'] = $thisfile_riff_audio[$streamindex]['bitrate'];
                 $ThisFileInfo['playtime_seconds'] = (double) (($thisfile_avdataend - $thisfile_avdataoffset) * 8 / $thisfile_audio['bitrate']);
             }
             if (!empty($ThisFileInfo['wavpack'])) {
                 $thisfile_audio_dataformat = 'wavpack';
                 $thisfile_audio['bitrate_mode'] = 'vbr';
                 $thisfile_audio['encoder'] = 'WavPack v' . $ThisFileInfo['wavpack']['version'];
                 // Reset to the way it was - RIFF parsing will have messed this up
                 $thisfile_avdataend = $Original['avdataend'];
                 $thisfile_audio['bitrate'] = ($thisfile_avdataend - $thisfile_avdataoffset) * 8 / $ThisFileInfo['playtime_seconds'];
                 fseek($fd, $thisfile_avdataoffset - 44, SEEK_SET);
                 $RIFFdata = fread($fd, 44);
                 $OrignalRIFFheaderSize = getid3_lib::LittleEndian2Int(substr($RIFFdata, 4, 4)) + 8;
                 $OrignalRIFFdataSize = getid3_lib::LittleEndian2Int(substr($RIFFdata, 40, 4)) + 44;
                 if ($OrignalRIFFheaderSize > $OrignalRIFFdataSize) {
                     $thisfile_avdataend -= $OrignalRIFFheaderSize - $OrignalRIFFdataSize;
                     fseek($fd, $thisfile_avdataend, SEEK_SET);
                     $RIFFdata .= fread($fd, $OrignalRIFFheaderSize - $OrignalRIFFdataSize);
                 }
                 // move the data chunk after all other chunks (if any)
                 // so that the RIFF parser doesn't see EOF when trying
                 // to skip over the data chunk
                 $RIFFdata = substr($RIFFdata, 0, 36) . substr($RIFFdata, 44) . substr($RIFFdata, 36, 8);
                 getid3_riff::ParseRIFFdata($RIFFdata, $ThisFileInfo);
             }
             if (isset($thisfile_riff_raw['fmt ']['wFormatTag'])) {
                 switch ($thisfile_riff_raw['fmt ']['wFormatTag']) {
                     case 0x8ae:
                         // ClearJump LiteWave
                         $thisfile_audio['bitrate_mode'] = 'vbr';
                         $thisfile_audio_dataformat = 'litewave';
                         //typedef struct tagSLwFormat {
                         //  WORD    m_wCompFormat;     // low byte defines compression method, high byte is compression flags
                         //  DWORD   m_dwScale;         // scale factor for lossy compression
                         //  DWORD   m_dwBlockSize;     // number of samples in encoded blocks
                         //  WORD    m_wQuality;        // alias for the scale factor
                         //  WORD    m_wMarkDistance;   // distance between marks in bytes
                         //  WORD    m_wReserved;
                         //
                         //  //following paramters are ignored if CF_FILESRC is not set
                         //  DWORD   m_dwOrgSize;       // original file size in bytes
                         //  WORD    m_bFactExists;     // indicates if 'fact' chunk exists in the original file
                         //  DWORD   m_dwRiffChunkSize; // riff chunk size in the original file
                         //
                         //  PCMWAVEFORMAT m_OrgWf;     // original wave format
                         // }SLwFormat, *PSLwFormat;
                         // shortcut
                         $thisfile_riff['litewave']['raw'] = array();
                         $thisfile_riff_litewave =& $thisfile_riff['litewave'];
                         $thisfile_riff_litewave_raw =& $thisfile_riff_litewave['raw'];
                         $thisfile_riff_litewave_raw['compression_method'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], 18, 1));
                         $thisfile_riff_litewave_raw['compression_flags'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], 19, 1));
                         $thisfile_riff_litewave_raw['m_dwScale'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], 20, 4));
                         $thisfile_riff_litewave_raw['m_dwBlockSize'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], 24, 4));
                         $thisfile_riff_litewave_raw['m_wQuality'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], 28, 2));
                         $thisfile_riff_litewave_raw['m_wMarkDistance'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], 30, 2));
开发者ID:ioanok,项目名称:symfoxid,代码行数:67,代码来源:module.audio-video.riff.php

示例2: Analyze


//.........这里部分代码省略.........
                         $s = floor($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'];
                 $info['playtime_seconds'] = (double) (($info['avdataend'] - $info['avdataoffset']) * 8 / $thisfile_audio['bitrate']);
             }
             if (!empty($info['wavpack'])) {
                 $thisfile_audio_dataformat = 'wavpack';
                 $thisfile_audio['bitrate_mode'] = 'vbr';
                 $thisfile_audio['encoder'] = 'WavPack v' . $info['wavpack']['version'];
                 // Reset to the way it was - RIFF parsing will have messed this up
                 $info['avdataend'] = $Original['avdataend'];
                 $thisfile_audio['bitrate'] = ($info['avdataend'] - $info['avdataoffset']) * 8 / $info['playtime_seconds'];
                 $this->fseek($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);
                 }
                 // move the data chunk after all other chunks (if any)
                 // so that the RIFF parser doesn't see EOF when trying
                 // to skip over the data chunk
                 $RIFFdata = substr($RIFFdata, 0, 36) . substr($RIFFdata, 44) . substr($RIFFdata, 36, 8);
                 $getid3_riff = new getid3_riff($this->getid3);
                 $getid3_riff->ParseRIFFdata($RIFFdata);
                 unset($getid3_riff);
             }
             if (isset($thisfile_riff_raw['fmt ']['wFormatTag'])) {
                 switch ($thisfile_riff_raw['fmt ']['wFormatTag']) {
                     case 0x1:
                         // PCM
                         if (!empty($info['ac3'])) {
                             // Dolby Digital WAV files masquerade as PCM-WAV, but they're not
                             $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'])) {
                             // Dolby DTS files masquerade as PCM-WAV, but they're not
                             $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 0x8ae:
                         // ClearJump LiteWave
                         $thisfile_audio['bitrate_mode'] = 'vbr';
                         $thisfile_audio_dataformat = 'litewave';
                         //typedef struct tagSLwFormat {
                         //  WORD    m_wCompFormat;     // low byte defines compression method, high byte is compression flags
                         //  DWORD   m_dwScale;         // scale factor for lossy compression
                         //  DWORD   m_dwBlockSize;     // number of samples in encoded blocks
                         //  WORD    m_wQuality;        // alias for the scale factor
开发者ID:harrisonsmith,项目名称:active-progression,代码行数:67,代码来源:module.audio-video.riff.php

示例3: Analyze


//.........这里部分代码省略.........
                     // ID_SHAPING_WEIGHTS
                     case 0x8:
                         // ID_FLOAT_INFO
                     // ID_FLOAT_INFO
                     case 0x9:
                         // ID_INT32_INFO
                     // ID_INT32_INFO
                     case 0xa:
                         // ID_WV_BITSTREAM
                     // ID_WV_BITSTREAM
                     case 0xb:
                         // ID_WVC_BITSTREAM
                     // ID_WVC_BITSTREAM
                     case 0xc:
                         // ID_WVX_BITSTREAM
                     // ID_WVX_BITSTREAM
                     case 0xd:
                         // ID_CHANNEL_INFO
                         fseek($this->getid3->fp, $metablock['offset'] + ($metablock['large_block'] ? 4 : 2) + $metablock['size'], SEEK_SET);
                         break;
                     default:
                         $info['warning'][] = 'Unexpected metablock type "0x' . str_pad(dechex($metablock['function_id']), 2, '0', STR_PAD_LEFT) . '" at offset ' . $metablock['offset'];
                         fseek($this->getid3->fp, $metablock['offset'] + ($metablock['large_block'] ? 4 : 2) + $metablock['size'], SEEK_SET);
                         break;
                 }
                 switch ($metablock['function_id']) {
                     case 0x21:
                         // ID_RIFF_HEADER
                         getid3_lib::IncludeDependency(GETID3_INCLUDEPATH . 'module.audio-video.riff.php', __FILE__, true);
                         $original_wav_filesize = getid3_lib::LittleEndian2Int(substr($metablock['data'], 4, 4));
                         $getid3_temp = new getID3();
                         $getid3_temp->openfile($this->getid3->filename);
                         $getid3_riff = new getid3_riff($getid3_temp);
                         $getid3_riff->ParseRIFFdata($metablock['data']);
                         $metablock['riff'] = $getid3_temp->info['riff'];
                         $info['audio']['sample_rate'] = $getid3_temp->info['riff']['raw']['fmt ']['nSamplesPerSec'];
                         unset($getid3_riff, $getid3_temp);
                         $metablock['riff']['original_filesize'] = $original_wav_filesize;
                         $info['wavpack']['riff_trailer_size'] = $original_wav_filesize - $metablock['riff']['WAVE']['data'][0]['size'] - $metablock['riff']['header_size'];
                         $info['playtime_seconds'] = $info['wavpack']['blockheader']['total_samples'] / $info['audio']['sample_rate'];
                         // Safe RIFF header in case there's a RIFF footer later
                         $metablockRIFFheader = $metablock['data'];
                         break;
                     case 0x22:
                         // ID_RIFF_TRAILER
                         $metablockRIFFfooter = $metablockRIFFheader . $metablock['data'];
                         getid3_lib::IncludeDependency(GETID3_INCLUDEPATH . 'module.audio-video.riff.php', __FILE__, true);
                         $startoffset = $metablock['offset'] + ($metablock['large_block'] ? 4 : 2);
                         $getid3_temp = new getID3();
                         $getid3_temp->openfile($this->getid3->filename);
                         $getid3_temp->info['avdataend'] = $info['avdataend'];
                         $getid3_temp->info['fileformat'] = 'riff';
                         $getid3_riff = new getid3_riff($getid3_temp);
                         $metablock['riff'] = $getid3_riff->ParseRIFF($startoffset, $startoffset + $metablock['size']);
                         if (!empty($metablock['riff']['INFO'])) {
                             $getid3_riff->RIFFcommentsParse($metablock['riff']['INFO'], $metablock['comments']);
                             $info['tags']['riff'] = $metablock['comments'];
                         }
                         unset($getid3_temp, $getid3_riff);
                         break;
                     case 0x23:
                         // ID_REPLAY_GAIN
                         $info['warning'][] = 'WavPack "Replay Gain" contents not yet handled by getID3() in metablock at offset ' . $metablock['offset'];
                         break;
                     case 0x24:
                         // ID_CUESHEET
开发者ID:ricofreak,项目名称:omekaArchiveProject,代码行数:67,代码来源:module.audio.wavpack.php

示例4: ParseOptimFROGheader45


//.........这里部分代码省略.........
                         }
                     }
                 }
                 $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'] = (double) $ThisFileInfo['ofr']['OFR ']['total_samples'] / ($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;
 }
开发者ID:erico-deh,项目名称:ocPortal,代码行数:101,代码来源:module.audio.optimfrog.php


注:本文中的getid3_riff::ParseRIFFdata方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。