public function Analyze() { $getid3 = $this->getid3; $getid3->include_module('audio-video.riff'); $getid3->info['wavpack'] = array(); $info_wavpack =& $getid3->info['wavpack']; fseek($getid3->fp, $getid3->info['avdataoffset'], SEEK_SET); while (true) { $wavpack_header = fread($getid3->fp, 32); if (ftell($getid3->fp) >= $getid3->info['avdataend']) { break; } elseif (feof($getid3->fp)) { break; } elseif (@$info_wavpack_blockheader['total_samples'] > 0 && @$info_wavpack_blockheader['block_samples'] > 0 && (!isset($info_wavpack['riff_trailer_size']) || $info_wavpack['riff_trailer_size'] <= 0) && (@$info_wavpack['config_flags']['md5_checksum'] === false || !empty($getid3->info['md5_data_source']))) { break; } $block_header_offset = ftell($getid3->fp) - 32; $block_header_magic = substr($wavpack_header, 0, 4); $block_header_size = getid3_lib::LittleEndian2Int(substr($wavpack_header, 4, 4)); if ($block_header_magic != 'wvpk') { throw new getid3_exception('Expecting "wvpk" at offset ' . $block_header_offset . ', found "' . $block_header_magic . '"'); } if (@$info_wavpack_blockheader['block_samples'] <= 0 || @$info_wavpack_blockheader['total_samples'] <= 0) { // Also, it is possible that the first block might not have // any samples (block_samples == 0) and in this case you should skip blocks // until you find one with samples because the other information (like // total_samples) are not guaranteed to be correct until (block_samples > 0) // Finally, I have defined a format for files in which the length is not known // (for example when raw files are created using pipes). In these cases // total_samples will be -1 and you must seek to the final block to determine // the total number of samples. $getid3->info['audio']['dataformat'] = 'wavpack'; $getid3->info['fileformat'] = 'wavpack'; $getid3->info['audio']['lossless'] = true; $getid3->info['audio']['bitrate_mode'] = 'vbr'; $info_wavpack['blockheader']['offset'] = $block_header_offset; $info_wavpack['blockheader']['magic'] = $block_header_magic; $info_wavpack['blockheader']['size'] = $block_header_size; $info_wavpack_blockheader =& $info_wavpack['blockheader']; if ($info_wavpack_blockheader['size'] >= 0x100000) { throw new getid3_exception('Expecting WavPack block size less than "0x100000", found "' . $info_wavpack_blockheader['size'] . '" at offset ' . $info_wavpack_blockheader['offset']); } $info_wavpack_blockheader['minor_version'] = ord($wavpack_header[8]); $info_wavpack_blockheader['major_version'] = ord($wavpack_header[9]); if ($info_wavpack_blockheader['major_version'] != 4 || $info_wavpack_blockheader['minor_version'] < 4 && $info_wavpack_blockheader['minor_version'] > 16) { throw new getid3_exception('Expecting WavPack version between "4.2" and "4.16", found version "' . $info_wavpack_blockheader['major_version'] . '.' . $info_wavpack_blockheader['minor_version'] . '" at offset ' . $info_wavpack_blockheader['offset']); } $info_wavpack_blockheader['track_number'] = ord($wavpack_header[10]); // unused $info_wavpack_blockheader['index_number'] = ord($wavpack_header[11]); // unused getid3_lib::ReadSequence('LittleEndian2Int', $info_wavpack_blockheader, $wavpack_header, 12, array('total_samples' => 4, 'block_index' => 4, 'block_samples' => 4, 'flags_raw' => 4, 'crc' => 4)); $info_wavpack_blockheader['flags']['bytes_per_sample'] = 1 + ($info_wavpack_blockheader['flags_raw'] & 0x3); $info_wavpack_blockheader['flags']['mono'] = (bool) ($info_wavpack_blockheader['flags_raw'] & 0x4); $info_wavpack_blockheader['flags']['hybrid'] = (bool) ($info_wavpack_blockheader['flags_raw'] & 0x8); $info_wavpack_blockheader['flags']['joint_stereo'] = (bool) ($info_wavpack_blockheader['flags_raw'] & 0x10); $info_wavpack_blockheader['flags']['cross_decorrelation'] = (bool) ($info_wavpack_blockheader['flags_raw'] & 0x20); $info_wavpack_blockheader['flags']['hybrid_noiseshape'] = (bool) ($info_wavpack_blockheader['flags_raw'] & 0x40); $info_wavpack_blockheader['flags']['ieee_32bit_float'] = (bool) ($info_wavpack_blockheader['flags_raw'] & 0x80); $info_wavpack_blockheader['flags']['int_32bit'] = (bool) ($info_wavpack_blockheader['flags_raw'] & 0x100); $info_wavpack_blockheader['flags']['hybrid_bitrate_noise'] = (bool) ($info_wavpack_blockheader['flags_raw'] & 0x200); $info_wavpack_blockheader['flags']['hybrid_balance_noise'] = (bool) ($info_wavpack_blockheader['flags_raw'] & 0x400); $info_wavpack_blockheader['flags']['multichannel_initial'] = (bool) ($info_wavpack_blockheader['flags_raw'] & 0x800); $info_wavpack_blockheader['flags']['multichannel_final'] = (bool) ($info_wavpack_blockheader['flags_raw'] & 0x1000); $getid3->info['audio']['lossless'] = !$info_wavpack_blockheader['flags']['hybrid']; } while (!feof($getid3->fp) && ftell($getid3->fp) < $block_header_offset + $block_header_size + 8) { $metablock = array('offset' => ftell($getid3->fp)); $metablockheader = fread($getid3->fp, 2); if (feof($getid3->fp)) { break; } $metablock['id'] = ord($metablockheader[0]); $metablock['function_id'] = $metablock['id'] & 0x3f; $metablock['function_name'] = $this->WavPackMetablockNameLookup($metablock['function_id']); // The 0x20 bit in the id of the meta subblocks (which is defined as // ID_OPTIONAL_DATA) is a permanent part of the id. The idea is that // if a decoder encounters an id that it does not know about, it uses // that "ID_OPTIONAL_DATA" flag to determine what to do. If it is set // then the decoder simply ignores the metadata, but if it is zero // then the decoder should quit because it means that an understanding // of the metadata is required to correctly decode the audio. $metablock['non_decoder'] = (bool) ($metablock['id'] & 0x20); $metablock['padded_data'] = (bool) ($metablock['id'] & 0x40); $metablock['large_block'] = (bool) ($metablock['id'] & 0x80); if ($metablock['large_block']) { $metablockheader .= fread($getid3->fp, 2); } $metablock['size'] = getid3_lib::LittleEndian2Int(substr($metablockheader, 1)) * 2; // size is stored in words $metablock['data'] = null; if ($metablock['size'] > 0) { switch ($metablock['function_id']) { case 0x21: // ID_RIFF_HEADER // ID_RIFF_HEADER case 0x22: // ID_RIFF_TRAILER // ID_RIFF_TRAILER case 0x23: // ID_REPLAY_GAIN // ID_REPLAY_GAIN case 0x24: // ID_CUESHEET // ID_CUESHEET case 0x25: // ID_CONFIG_BLOCK // ID_CONFIG_BLOCK case 0x26: // ID_MD5_CHECKSUM $metablock['data'] = fread($getid3->fp, $metablock['size']); if ($metablock['padded_data']) { // padded to the nearest even byte $metablock['size']--; $metablock['data'] = substr($metablock['data'], 0, -1); } break; case 0x0: // ID_DUMMY // ID_DUMMY case 0x1: // ID_ENCODER_INFO // ID_ENCODER_INFO case 0x2: // ID_DECORR_TERMS // ID_DECORR_TERMS case 0x3: // ID_DECORR_WEIGHTS // ID_DECORR_WEIGHTS case 0x4: // ID_DECORR_SAMPLES // ID_DECORR_SAMPLES case 0x5: // ID_ENTROPY_VARS // ID_ENTROPY_VARS case 0x6: // ID_HYBRID_PROFILE // ID_HYBRID_PROFILE case 0x7: // ID_SHAPING_WEIGHTS // 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($getid3->fp, $metablock['offset'] + ($metablock['large_block'] ? 4 : 2) + $metablock['size'], SEEK_SET); break; default: $getid3->warning('Unexpected metablock type "0x' . str_pad(dechex($metablock['function_id']), 2, '0', STR_PAD_LEFT) . '" at offset ' . $metablock['offset']); fseek($getid3->fp, $metablock['offset'] + ($metablock['large_block'] ? 4 : 2) + $metablock['size'], SEEK_SET); break; } switch ($metablock['function_id']) { case 0x21: // ID_RIFF_HEADER $original_wav_filesize = getid3_lib::LittleEndian2Int(substr($metablock['data'], 4, 4)); // Clone getid3 $clone = clone $getid3; // Analyze clone by string $riff = new getid3_riff($clone); $riff->AnalyzeString($metablock['data']); // Import from clone and destroy $metablock['riff'] = $clone->info['riff']; $getid3->warnings($clone->warnings()); unset($clone); // Save RIFF header - we may need it later for RIFF footer parsing $this->riff_header = $metablock['data']; $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']; $getid3->info['audio']['sample_rate'] = $metablock['riff']['raw']['fmt ']['nSamplesPerSec']; $getid3->info['playtime_seconds'] = $info_wavpack_blockheader['total_samples'] / $getid3->info['audio']['sample_rate']; // Safe RIFF header in case there's a RIFF footer later $metablock_riff_header = $metablock['data']; break; case 0x22: // ID_RIFF_TRAILER $metablock_riff_footer = $metablock_riff_header . $metablock['data']; $start_offset = $metablock['offset'] + ($metablock['large_block'] ? 4 : 2); $ftell_old = ftell($getid3->fp); // Clone getid3 $clone = clone $getid3; // Call public method that really should be private $riff = new getid3_riff($clone); $metablock['riff'] = $riff->ParseRIFF($start_offset, $start_offset + $metablock['size']); unset($clone); fseek($getid3->fp, $ftell_old, SEEK_SET); if (!empty($metablock['riff']['INFO'])) { getid3_riff::RIFFCommentsParse($metablock['riff']['INFO'], $metablock['comments']); $getid3->info['tags']['riff'] = $metablock['comments']; } break; case 0x23: // ID_REPLAY_GAIN $getid3->warning('WavPack "Replay Gain" contents not yet handled by getID3() in metablock at offset ' . $metablock['offset']); break; case 0x24: // ID_CUESHEET $getid3->warning('WavPack "Cuesheet" contents not yet handled by getID3() in metablock at offset ' . $metablock['offset']); break; case 0x25: // ID_CONFIG_BLOCK $metablock['flags_raw'] = getid3_lib::LittleEndian2Int(substr($metablock['data'], 0, 3)); $metablock['flags']['adobe_mode'] = (bool) ($metablock['flags_raw'] & 0x1); // "adobe" mode for 32-bit floats $metablock['flags']['fast_flag'] = (bool) ($metablock['flags_raw'] & 0x2); // fast mode $metablock['flags']['very_fast_flag'] = (bool) ($metablock['flags_raw'] & 0x4); // double fast $metablock['flags']['high_flag'] = (bool) ($metablock['flags_raw'] & 0x8); // high quality mode $metablock['flags']['very_high_flag'] = (bool) ($metablock['flags_raw'] & 0x10); // double high (not used yet) $metablock['flags']['bitrate_kbps'] = (bool) ($metablock['flags_raw'] & 0x20); // bitrate is kbps, not bits / sample $metablock['flags']['auto_shaping'] = (bool) ($metablock['flags_raw'] & 0x40); // automatic noise shaping $metablock['flags']['shape_override'] = (bool) ($metablock['flags_raw'] & 0x80); // shaping mode specified $metablock['flags']['joint_override'] = (bool) ($metablock['flags_raw'] & 0x100); // joint-stereo mode specified $metablock['flags']['copy_time'] = (bool) ($metablock['flags_raw'] & 0x200); // copy file-time from source $metablock['flags']['create_exe'] = (bool) ($metablock['flags_raw'] & 0x400); // create executable $metablock['flags']['create_wvc'] = (bool) ($metablock['flags_raw'] & 0x800); // create correction file $metablock['flags']['optimize_wvc'] = (bool) ($metablock['flags_raw'] & 0x1000); // maximize bybrid compression $metablock['flags']['quality_mode'] = (bool) ($metablock['flags_raw'] & 0x2000); // psychoacoustic quality mode $metablock['flags']['raw_flag'] = (bool) ($metablock['flags_raw'] & 0x4000); // raw mode (not implemented yet) $metablock['flags']['calc_noise'] = (bool) ($metablock['flags_raw'] & 0x8000); // calc noise in hybrid mode $metablock['flags']['lossy_mode'] = (bool) ($metablock['flags_raw'] & 0x10000); // obsolete (for information) $metablock['flags']['extra_mode'] = (bool) ($metablock['flags_raw'] & 0x20000); // extra processing mode $metablock['flags']['skip_wvx'] = (bool) ($metablock['flags_raw'] & 0x40000); // no wvx stream w/ floats & big ints $metablock['flags']['md5_checksum'] = (bool) ($metablock['flags_raw'] & 0x80000); // compute & store MD5 signature $metablock['flags']['quiet_mode'] = (bool) ($metablock['flags_raw'] & 0x100000); // don't report progress % $info_wavpack['config_flags'] = $metablock['flags']; $getid3->info['audio']['encoder_options'] = trim(($info_wavpack_blockheader['flags']['hybrid'] ? ' -b???' : '') . ($metablock['flags']['adobe_mode'] ? ' -a' : '') . ($metablock['flags']['optimize_wvc'] ? ' -cc' : '') . ($metablock['flags']['create_exe'] ? ' -e' : '') . ($metablock['flags']['fast_flag'] ? ' -f' : '') . ($metablock['flags']['joint_override'] ? ' -j?' : '') . ($metablock['flags']['high_flag'] ? ' -h' : '') . ($metablock['flags']['md5_checksum'] ? ' -m' : '') . ($metablock['flags']['calc_noise'] ? ' -n' : '') . ($metablock['flags']['shape_override'] ? ' -s?' : '') . ($metablock['flags']['extra_mode'] ? ' -x?' : '')); if (!$getid3->info['audio']['encoder_options']) { unset($getid3->info['audio']['encoder_options']); } break; case 0x26: // ID_MD5_CHECKSUM if (strlen($metablock['data']) == 16) { $getid3->info['md5_data_source'] = strtolower(getid3_lib::PrintHexBytes($metablock['data'], true, false, false)); } else { $getid3->warning('Expecting 16 bytes of WavPack "MD5 Checksum" in metablock at offset ' . $metablock['offset'] . ', but found ' . strlen($metablock['data']) . ' bytes'); } break; case 0x0: // ID_DUMMY // ID_DUMMY case 0x1: // ID_ENCODER_INFO // ID_ENCODER_INFO case 0x2: // ID_DECORR_TERMS // ID_DECORR_TERMS case 0x3: // ID_DECORR_WEIGHTS // ID_DECORR_WEIGHTS case 0x4: // ID_DECORR_SAMPLES // ID_DECORR_SAMPLES case 0x5: // ID_ENTROPY_VARS // ID_ENTROPY_VARS case 0x6: // ID_HYBRID_PROFILE // ID_HYBRID_PROFILE case 0x7: // ID_SHAPING_WEIGHTS // 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 unset($metablock); break; } } if (!empty($metablock)) { $info_wavpack['metablocks'][] = $metablock; } } } $getid3->info['audio']['encoder'] = 'WavPack v' . $info_wavpack_blockheader['major_version'] . '.' . str_pad($info_wavpack_blockheader['minor_version'], 2, '0', STR_PAD_LEFT); $getid3->info['audio']['bits_per_sample'] = $info_wavpack_blockheader['flags']['bytes_per_sample'] * 8; $getid3->info['audio']['channels'] = $info_wavpack_blockheader['flags']['mono'] ? 1 : 2; if (@$getid3->info['playtime_seconds']) { $getid3->info['audio']['bitrate'] = ($getid3->info['avdataend'] - $getid3->info['avdataoffset']) * 8 / $getid3->info['playtime_seconds']; } else { $getid3->info['audio']['dataformat'] = 'wvc'; } return true; }
public function Analyze() { $getid3 = $this->getid3; $getid3->info['riff']['raw'] = array(); $info_riff =& $getid3->info['riff']; $info_riff_raw =& $info_riff['raw']; $info_audio =& $getid3->info['audio']; $info_video =& $getid3->info['video']; $info_avdataoffset =& $getid3->info['avdataoffset']; $info_avdataend =& $getid3->info['avdataend']; $info_audio_dataformat =& $info_audio['dataformat']; $info_riff_audio =& $info_riff['audio']; $info_riff_video =& $info_riff['video']; $original['avdataend'] = $info_avdataend; $this->fseek($info_avdataoffset, SEEK_SET); $riff_header = $this->fread(12); $riff_sub_type = substr($riff_header, 8, 4); switch (substr($riff_header, 0, 4)) { case 'FORM': $getid3->info['fileformat'] = 'aiff'; $this->endian_function = 'BigEndian2Int'; $riff_header_size = getid3_lib::BigEndian2Int(substr($riff_header, 4, 4)); $info_riff[$riff_sub_type] = $this->ParseRIFF($info_avdataoffset + 12, $info_avdataoffset + $riff_header_size); $info_riff['header_size'] = $riff_header_size; break; case 'RIFF': case 'SDSS': // SDSS is identical to RIFF, just renamed. Used by SmartSound QuickTracks (www.smartsound.com) // SDSS is identical to RIFF, just renamed. Used by SmartSound QuickTracks (www.smartsound.com) case 'RMP3': // RMP3 is identical to RIFF, just renamed. Used by [unknown program] when creating RIFF-MP3s if ($riff_sub_type == 'RMP3') { $riff_sub_type = 'WAVE'; } $getid3->info['fileformat'] = 'riff'; $this->endian_function = 'LittleEndian2Int'; $riff_header_size = getid3_lib::LittleEndian2Int(substr($riff_header, 4, 4)); $info_riff[$riff_sub_type] = $this->ParseRIFF($info_avdataoffset + 12, $info_avdataoffset + $riff_header_size); $info_riff['header_size'] = $riff_header_size; if ($riff_sub_type == 'WAVE') { $info_riff_wave =& $info_riff['WAVE']; } break; default: throw new getid3_exception('Cannot parse RIFF (this is maybe not a RIFF / WAV / AVI file?) - expecting "FORM|RIFF|SDSS|RMP3" found "' . $riff_sub_type . '" instead'); } $endian_function = $this->endian_function; $stream_index = 0; switch ($riff_sub_type) { case 'WAVE': if (empty($info_audio['bitrate_mode'])) { $info_audio['bitrate_mode'] = 'cbr'; } if (empty($info_audio_dataformat)) { $info_audio_dataformat = 'wav'; } if (isset($info_riff_wave['data'][0]['offset'])) { $info_avdataoffset = $info_riff_wave['data'][0]['offset'] + 8; $info_avdataend = $info_avdataoffset + $info_riff_wave['data'][0]['size']; } if (isset($info_riff_wave['fmt '][0]['data'])) { $info_riff_audio[$stream_index] = getid3_riff::RIFFparseWAVEFORMATex($info_riff_wave['fmt '][0]['data']); $info_audio['wformattag'] = $info_riff_audio[$stream_index]['raw']['wFormatTag']; $info_riff_raw['fmt '] = $info_riff_audio[$stream_index]['raw']; unset($info_riff_audio[$stream_index]['raw']); $info_audio['streams'][$stream_index] = $info_riff_audio[$stream_index]; $info_audio = getid3_riff::array_merge_noclobber($info_audio, $info_riff_audio[$stream_index]); if (substr($info_audio['codec'], 0, strlen('unknown: 0x')) == 'unknown: 0x') { $getid3->warning('Audio codec = ' . $info_audio['codec']); } $info_audio['bitrate'] = $info_riff_audio[$stream_index]['bitrate']; $getid3->info['playtime_seconds'] = (double) (($info_avdataend - $info_avdataoffset) * 8 / $info_audio['bitrate']); $info_audio['lossless'] = false; if (isset($info_riff_wave['data'][0]['offset']) && isset($info_riff_raw['fmt ']['wFormatTag'])) { switch ($info_riff_raw['fmt ']['wFormatTag']) { case 0x1: // PCM $info_audio['lossless'] = true; break; case 0x2000: // AC-3 $info_audio_dataformat = 'ac3'; break; default: // do nothing break; } } $info_audio['streams'][$stream_index]['wformattag'] = $info_audio['wformattag']; $info_audio['streams'][$stream_index]['bitrate_mode'] = $info_audio['bitrate_mode']; $info_audio['streams'][$stream_index]['lossless'] = $info_audio['lossless']; $info_audio['streams'][$stream_index]['dataformat'] = $info_audio_dataformat; } if (isset($info_riff_wave['rgad'][0]['data'])) { // shortcuts $rgadData =& $info_riff_wave['rgad'][0]['data']; $info_riff_raw['rgad'] = array('track' => array(), 'album' => array()); $info_riff_raw_rgad =& $info_riff_raw['rgad']; $info_riff_raw_rgad_track =& $info_riff_raw_rgad['track']; $info_riff_raw_rgad_album =& $info_riff_raw_rgad['album']; $info_riff_raw_rgad['fPeakAmplitude'] = getid3_riff::BigEndian2Float(strrev(substr($rgadData, 0, 4))); // LittleEndian2Float() $info_riff_raw_rgad['nRadioRgAdjust'] = getid3_lib::$endian_function(substr($rgadData, 4, 2)); $info_riff_raw_rgad['nAudiophileRgAdjust'] = getid3_lib::$endian_function(substr($rgadData, 6, 2)); $n_track_rg_adjust_bit_string = str_pad(decbin($info_riff_raw_rgad['nRadioRgAdjust']), 16, '0', STR_PAD_LEFT); $n_album_rg_adjust_bit_string = str_pad(decbin($info_riff_raw_rgad['nAudiophileRgAdjust']), 16, '0', STR_PAD_LEFT); $info_riff_raw_rgad_track['name'] = bindec(substr($n_track_rg_adjust_bit_string, 0, 3)); $info_riff_raw_rgad_track['originator'] = bindec(substr($n_track_rg_adjust_bit_string, 3, 3)); $info_riff_raw_rgad_track['signbit'] = bindec($n_track_rg_adjust_bit_string[6]); $info_riff_raw_rgad_track['adjustment'] = bindec(substr($n_track_rg_adjust_bit_string, 7, 9)); $info_riff_raw_rgad_album['name'] = bindec(substr($n_album_rg_adjust_bit_string, 0, 3)); $info_riff_raw_rgad_album['originator'] = bindec(substr($n_album_rg_adjust_bit_string, 3, 3)); $info_riff_raw_rgad_album['signbit'] = bindec($n_album_rg_adjust_bit_string[6]); $info_riff_raw_rgad_album['adjustment'] = bindec(substr($n_album_rg_adjust_bit_string, 7, 9)); $info_riff['rgad']['peakamplitude'] = $info_riff_raw_rgad['fPeakAmplitude']; if ($info_riff_raw_rgad_track['name'] != 0 && $info_riff_raw_rgad_track['originator'] != 0) { $info_riff['rgad']['track']['name'] = getid3_lib_replaygain::NameLookup($info_riff_raw_rgad_track['name']); $info_riff['rgad']['track']['originator'] = getid3_lib_replaygain::OriginatorLookup($info_riff_raw_rgad_track['originator']); $info_riff['rgad']['track']['adjustment'] = getid3_lib_replaygain::AdjustmentLookup($info_riff_raw_rgad_track['adjustment'], $info_riff_raw_rgad_track['signbit']); } if ($info_riff_raw_rgad_album['name'] != 0 && $info_riff_raw_rgad_album['originator'] != 0) { $info_riff['rgad']['album']['name'] = getid3_lib_replaygain::NameLookup($info_riff_raw_rgad_album['name']); $info_riff['rgad']['album']['originator'] = getid3_lib_replaygain::OriginatorLookup($info_riff_raw_rgad_album['originator']); $info_riff['rgad']['album']['adjustment'] = getid3_lib_replaygain::AdjustmentLookup($info_riff_raw_rgad_album['adjustment'], $info_riff_raw_rgad_album['signbit']); } } if (isset($info_riff_wave['fact'][0]['data'])) { $info_riff_raw['fact']['NumberOfSamples'] = getid3_lib::$endian_function(substr($info_riff_wave['fact'][0]['data'], 0, 4)); // This should be a good way of calculating exact playtime, but some sample files have had incorrect number of samples, so cannot use this method // if (!empty($info_riff_raw['fmt ']['nSamplesPerSec'])) { // $getid3->info['playtime_seconds'] = (float)$info_riff_raw['fact']['NumberOfSamples'] / $info_riff_raw['fmt ']['nSamplesPerSec']; // } } if (!empty($info_riff_raw['fmt ']['nAvgBytesPerSec'])) { $info_audio['bitrate'] = (int) $info_riff_raw['fmt ']['nAvgBytesPerSec'] * 8; } if (isset($info_riff_wave['bext'][0]['data'])) { $info_riff_wave_bext_0 =& $info_riff_wave['bext'][0]; getid3_lib::ReadSequence('LittleEndian2Int', $info_riff_wave_bext_0, $info_riff_wave_bext_0['data'], 0, array('title' => -256, 'author' => -32, 'reference' => -32, 'origin_date' => -10, 'origin_time' => -8, 'time_reference' => 8, 'bwf_version' => 1, 'reserved' => 254)); foreach (array('title', 'author', 'reference') as $key) { $info_riff_wave_bext_0[$key] = trim($info_riff_wave_bext_0[$key]); } $info_riff_wave_bext_0['coding_history'] = explode("\r\n", trim(substr($info_riff_wave_bext_0['data'], 601))); $info_riff_wave_bext_0['origin_date_unix'] = gmmktime(substr($info_riff_wave_bext_0['origin_time'], 0, 2), substr($info_riff_wave_bext_0['origin_time'], 3, 2), substr($info_riff_wave_bext_0['origin_time'], 6, 2), substr($info_riff_wave_bext_0['origin_date'], 5, 2), substr($info_riff_wave_bext_0['origin_date'], 8, 2), substr($info_riff_wave_bext_0['origin_date'], 0, 4)); $info_riff['comments']['author'][] = $info_riff_wave_bext_0['author']; $info_riff['comments']['title'][] = $info_riff_wave_bext_0['title']; } if (isset($info_riff_wave['MEXT'][0]['data'])) { $info_riff_wave_mext_0 =& $info_riff_wave['MEXT'][0]; $info_riff_wave_mext_0['raw']['sound_information'] = getid3_lib::LittleEndian2Int(substr($info_riff_wave_mext_0['data'], 0, 2)); $info_riff_wave_mext_0['flags']['homogenous'] = (bool) ($info_riff_wave_mext_0['raw']['sound_information'] & 0x1); if ($info_riff_wave_mext_0['flags']['homogenous']) { $info_riff_wave_mext_0['flags']['padding'] = $info_riff_wave_mext_0['raw']['sound_information'] & 0x2 ? false : true; $info_riff_wave_mext_0['flags']['22_or_44'] = (bool) ($info_riff_wave_mext_0['raw']['sound_information'] & 0x4); $info_riff_wave_mext_0['flags']['free_format'] = (bool) ($info_riff_wave_mext_0['raw']['sound_information'] & 0x8); $info_riff_wave_mext_0['nominal_frame_size'] = getid3_lib::LittleEndian2Int(substr($info_riff_wave_mext_0['data'], 2, 2)); } $info_riff_wave_mext_0['anciliary_data_length'] = getid3_lib::LittleEndian2Int(substr($info_riff_wave_mext_0['data'], 6, 2)); $info_riff_wave_mext_0['raw']['anciliary_data_def'] = getid3_lib::LittleEndian2Int(substr($info_riff_wave_mext_0['data'], 8, 2)); $info_riff_wave_mext_0['flags']['anciliary_data_left'] = (bool) ($info_riff_wave_mext_0['raw']['anciliary_data_def'] & 0x1); $info_riff_wave_mext_0['flags']['anciliary_data_free'] = (bool) ($info_riff_wave_mext_0['raw']['anciliary_data_def'] & 0x2); $info_riff_wave_mext_0['flags']['anciliary_data_right'] = (bool) ($info_riff_wave_mext_0['raw']['anciliary_data_def'] & 0x4); } if (isset($info_riff_wave['cart'][0]['data'])) { $info_riff_wave_cart_0 =& $info_riff_wave['cart'][0]; getid3_lib::ReadSequence('LittleEndian2Int', $info_riff_wave_cart_0, $info_riff_wave_cart_0['data'], 0, array('version' => -4, 'title' => -64, 'artist' => -64, 'cut_id' => -64, 'client_id' => -64, 'category' => -64, 'classification' => -64, 'out_cue' => -64, 'start_date' => -10, 'start_time' => -8, 'end_date' => -10, 'end_time' => -8, 'producer_app_id' => -64, 'producer_app_version' => -64, 'user_defined_text' => -64)); foreach (array('artist', 'cut_id', 'client_id', 'category', 'classification', 'out_cue', 'start_date', 'start_time', 'end_date', 'end_time', 'producer_app_id', 'producer_app_version', 'user_defined_text') as $key) { $info_riff_wave_cart_0[$key] = trim($info_riff_wave_cart_0[$key]); } $info_riff_wave_cart_0['zero_db_reference'] = getid3_lib::LittleEndian2Int(substr($info_riff_wave_cart_0['data'], 680, 4), true); for ($i = 0; $i < 8; $i++) { $info_riff_wave_cart_0['post_time'][$i]['usage_fourcc'] = substr($info_riff_wave_cart_0['data'], 684 + $i * 8, 4); $info_riff_wave_cart_0['post_time'][$i]['timer_value'] = getid3_lib::LittleEndian2Int(substr($info_riff_wave_cart_0['data'], 684 + $i * 8 + 4, 4)); } $info_riff_wave_cart_0['url'] = trim(substr($info_riff_wave_cart_0['data'], 748, 1024)); $info_riff_wave_cart_0['tag_text'] = explode("\r\n", trim(substr($info_riff_wave_cart_0['data'], 1772))); $info_riff['comments']['artist'][] = $info_riff_wave_cart_0['artist']; $info_riff['comments']['title'][] = $info_riff_wave_cart_0['title']; } if (!isset($info_audio['bitrate']) && isset($info_riff_audio[$stream_index]['bitrate'])) { $info_audio['bitrate'] = $info_riff_audio[$stream_index]['bitrate']; $getid3->info['playtime_seconds'] = (double) (($info_avdataend - $info_avdataoffset) * 8 / $info_audio['bitrate']); } if (@$getid3->info['wavpack']) { if (!$this->data_string_flag) { $info_audio_dataformat = 'wavpack'; $info_audio['bitrate_mode'] = 'vbr'; $info_audio['encoder'] = 'WavPack v' . $getid3->info['wavpack']['version']; // Reset to the way it was - RIFF parsing will have messed this up $info_avdataend = $original['avdataend']; $info_audio['bitrate'] = ($info_avdataend - $info_avdataoffset) * 8 / $getid3->info['playtime_seconds']; $this->fseek($info_avdataoffset - 44, SEEK_SET); $riff_data = $this->fread(44); $orignal_riff_header_size = getid3_lib::LittleEndian2Int(substr($riff_data, 4, 4)) + 8; $orignal_riff_data_size = getid3_lib::LittleEndian2Int(substr($riff_data, 40, 4)) + 44; if ($orignal_riff_header_size > $orignal_riff_data_size) { $info_avdataend -= $orignal_riff_header_size - $orignal_riff_data_size; $this->fseek($info_avdataend, SEEK_SET); $riff_data .= $this->fread($orignal_riff_header_size - $orignal_riff_data_size); } // 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 $riff_data = substr($riff_data, 0, 36) . substr($riff_data, 44) . substr($riff_data, 36, 8); // Save audio info key $saved_info_audio = $info_audio; // Analyze riff_data $this->AnalyzeString($riff_data); // Restore info key $info_audio = $saved_info_audio; } } if (isset($info_riff_raw['fmt ']['wFormatTag'])) { switch ($info_riff_raw['fmt ']['wFormatTag']) { case 0x8ae: // ClearJump LiteWave $info_audio['bitrate_mode'] = 'vbr'; $info_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; $info_riff['litewave']['raw'] = array(); $info_riff_litewave =& $info_riff['litewave']; $info_riff_litewave_raw =& $info_riff_litewave['raw']; getid3_lib::ReadSequence('LittleEndian2Int', $info_riff_litewave_raw, $info_riff_wave['fmt '][0]['data'], 18, array('compression_method' => 1, 'compression_flags' => 1, 'm_dwScale' => 4, 'm_dwBlockSize' => 4, 'm_wQuality' => 2, 'm_wMarkDistance' => 2, 'm_wReserved' => 2, 'm_dwOrgSize' => 4, 'm_bFactExists' => 2, 'm_dwRiffChunkSize' => 4)); //$info_riff_litewave['quality_factor'] = intval(round((2000 - $info_riff_litewave_raw['m_dwScale']) / 20)); $info_riff_litewave['quality_factor'] = $info_riff_litewave_raw['m_wQuality']; $info_riff_litewave['flags']['raw_source'] = $info_riff_litewave_raw['compression_flags'] & 0x1 ? false : true; $info_riff_litewave['flags']['vbr_blocksize'] = $info_riff_litewave_raw['compression_flags'] & 0x2 ? false : true; $info_riff_litewave['flags']['seekpoints'] = (bool) ($info_riff_litewave_raw['compression_flags'] & 0x4); $info_audio['lossless'] = $info_riff_litewave_raw['m_wQuality'] == 100 ? true : false; $info_audio['encoder_options'] = '-q' . $info_riff_litewave['quality_factor']; break; } } if ($info_avdataend > $getid3->info['filesize']) { switch (@$info_audio_dataformat) { case 'wavpack': // WavPack // WavPack case 'lpac': // LPAC // LPAC case 'ofr': // OptimFROG // OptimFROG case 'ofs': // OptimFROG DualStream // lossless compressed audio formats that keep original RIFF headers - skip warning break; case 'litewave': if ($info_avdataend - $getid3->info['filesize'] == 1) { // LiteWave appears to incorrectly *not* pad actual output file // to nearest WORD boundary so may appear to be short by one // byte, in which case - skip warning } else { // Short by more than one byte, throw warning $getid3->warning('Probably truncated file - expecting ' . $info_riff[$riff_sub_type]['data'][0]['size'] . ' bytes of data, only found ' . ($getid3->info['filesize'] - $info_avdataoffset) . ' (short by ' . ($info_riff[$riff_sub_type]['data'][0]['size'] - ($getid3->info['filesize'] - $info_avdataoffset)) . ' bytes)'); } break; default: if ($info_avdataend - $getid3->info['filesize'] == 1 && $info_riff[$riff_sub_type]['data'][0]['size'] % 2 == 0 && ($getid3->info['filesize'] - $info_avdataoffset) % 2 == 1) { // output file appears to be incorrectly *not* padded to nearest WORD boundary // Output less severe warning $getid3->warning('File should probably be padded to nearest WORD boundary, but it is not (expecting ' . $info_riff[$riff_sub_type]['data'][0]['size'] . ' bytes of data, only found ' . ($getid3->info['filesize'] - $info_avdataoffset) . ' therefore short by ' . ($info_riff[$riff_sub_type]['data'][0]['size'] - ($getid3->info['filesize'] - $info_avdataoffset)) . ' bytes)'); $info_avdataend = $getid3->info['filesize']; break; } // Short by more than one byte, throw warning $getid3->warning('Probably truncated file - expecting ' . $info_riff[$riff_sub_type]['data'][0]['size'] . ' bytes of data, only found ' . ($getid3->info['filesize'] - $info_avdataoffset) . ' (short by ' . ($info_riff[$riff_sub_type]['data'][0]['size'] - ($getid3->info['filesize'] - $info_avdataoffset)) . ' bytes)'); $info_avdataend = $getid3->info['filesize']; break; } } if (!empty($getid3->info['mpeg']['audio']['LAME']['audio_bytes'])) { if ($info_avdataend - $info_avdataoffset - $getid3->info['mpeg']['audio']['LAME']['audio_bytes'] == 1) { $info_avdataend--; $getid3->warning('Extra null byte at end of MP3 data assumed to be RIFF padding and therefore ignored'); } } if (@$info_audio_dataformat == 'ac3') { unset($info_audio['bits_per_sample']); if (!empty($getid3->info['ac3']['bitrate']) && $getid3->info['ac3']['bitrate'] != $info_audio['bitrate']) { $info_audio['bitrate'] = $getid3->info['ac3']['bitrate']; } } break; case 'AVI ': $info_video['bitrate_mode'] = 'vbr'; // maybe not, but probably $info_video['dataformat'] = 'avi'; $getid3->info['mime_type'] = 'video/avi'; if (isset($info_riff[$riff_sub_type]['movi']['offset'])) { $info_avdataoffset = $info_riff[$riff_sub_type]['movi']['offset'] + 8; $info_avdataend = $info_avdataoffset + $info_riff[$riff_sub_type]['movi']['size']; if ($info_avdataend > $getid3->info['filesize']) { $getid3->warning('Probably truncated file - expecting ' . $info_riff[$riff_sub_type]['movi']['size'] . ' bytes of data, only found ' . ($getid3->info['filesize'] - $info_avdataoffset) . ' (short by ' . ($info_riff[$riff_sub_type]['movi']['size'] - ($getid3->info['filesize'] - $info_avdataoffset)) . ' bytes)'); $info_avdataend = $getid3->info['filesize']; } } if (isset($info_riff['AVI ']['hdrl']['avih'][$stream_index]['data'])) { $avihData = $info_riff['AVI ']['hdrl']['avih'][$stream_index]['data']; $info_riff_raw['avih'] = array(); $info_riff_raw_avih =& $info_riff_raw['avih']; getid3_lib::ReadSequence($this->endian_function, $info_riff_raw_avih, $avihData, 0, array('dwMicroSecPerFrame' => 4, 'dwMaxBytesPerSec' => 4, 'dwPaddingGranularity' => 4, 'dwFlags' => 4, 'dwTotalFrames' => 4, 'dwInitialFrames' => 4, 'dwStreams' => 4, 'dwSuggestedBufferSize' => 4, 'dwWidth' => 4, 'dwHeight' => 4, 'dwScale' => 4, 'dwRate' => 4, 'dwStart' => 4, 'dwLength' => 4)); $info_riff_raw_avih['flags']['hasindex'] = (bool) ($info_riff_raw_avih['dwFlags'] & 0x10); $info_riff_raw_avih['flags']['mustuseindex'] = (bool) ($info_riff_raw_avih['dwFlags'] & 0x20); $info_riff_raw_avih['flags']['interleaved'] = (bool) ($info_riff_raw_avih['dwFlags'] & 0x100); $info_riff_raw_avih['flags']['trustcktype'] = (bool) ($info_riff_raw_avih['dwFlags'] & 0x800); $info_riff_raw_avih['flags']['capturedfile'] = (bool) ($info_riff_raw_avih['dwFlags'] & 0x10000); $info_riff_raw_avih['flags']['copyrighted'] = (bool) ($info_riff_raw_avih['dwFlags'] & 0x20010); $info_riff_video[$stream_index] = array(); $info_riff_video_current =& $info_riff_video[$stream_index]; if ($info_riff_raw_avih['dwWidth'] > 0) { $info_riff_video_current['frame_width'] = $info_riff_raw_avih['dwWidth']; $info_video['resolution_x'] = $info_riff_video_current['frame_width']; } if ($info_riff_raw_avih['dwHeight'] > 0) { $info_riff_video_current['frame_height'] = $info_riff_raw_avih['dwHeight']; $info_video['resolution_y'] = $info_riff_video_current['frame_height']; } if ($info_riff_raw_avih['dwTotalFrames'] > 0) { $info_riff_video_current['total_frames'] = $info_riff_raw_avih['dwTotalFrames']; $info_video['total_frames'] = $info_riff_video_current['total_frames']; } $info_riff_video_current['frame_rate'] = round(1000000 / $info_riff_raw_avih['dwMicroSecPerFrame'], 3); $info_video['frame_rate'] = $info_riff_video_current['frame_rate']; } if (isset($info_riff['AVI ']['hdrl']['strl']['strh'][0]['data'])) { if (is_array($info_riff['AVI ']['hdrl']['strl']['strh'])) { for ($i = 0; $i < count($info_riff['AVI ']['hdrl']['strl']['strh']); $i++) { if (isset($info_riff['AVI ']['hdrl']['strl']['strh'][$i]['data'])) { $strh_data = $info_riff['AVI ']['hdrl']['strl']['strh'][$i]['data']; $strh_fcc_type = substr($strh_data, 0, 4); if (isset($info_riff['AVI ']['hdrl']['strl']['strf'][$i]['data'])) { $strf_data = $info_riff['AVI ']['hdrl']['strl']['strf'][$i]['data']; // shortcut $info_riff_raw_strf_strh_fcc_type_stream_index =& $info_riff_raw['strf'][$strh_fcc_type][$stream_index]; switch ($strh_fcc_type) { case 'auds': $info_audio['bitrate_mode'] = 'cbr'; $info_audio_dataformat = 'wav'; if (isset($info_riff_audio) && is_array($info_riff_audio)) { $stream_index = count($info_riff_audio); } $info_riff_audio[$stream_index] = getid3_riff::RIFFparseWAVEFORMATex($strf_data); $info_audio['wformattag'] = $info_riff_audio[$stream_index]['raw']['wFormatTag']; // shortcut $info_audio['streams'][$stream_index] = $info_riff_audio[$stream_index]; $info_audio_streams_currentstream =& $info_audio['streams'][$stream_index]; if (@$info_audio_streams_currentstream['bits_per_sample'] === 0) { unset($info_audio_streams_currentstream['bits_per_sample']); } $info_audio_streams_currentstream['wformattag'] = $info_audio_streams_currentstream['raw']['wFormatTag']; unset($info_audio_streams_currentstream['raw']); // shortcut $info_riff_raw['strf'][$strh_fcc_type][$stream_index] = $info_riff_audio[$stream_index]['raw']; unset($info_riff_audio[$stream_index]['raw']); $info_audio = getid3_riff::array_merge_noclobber($info_audio, $info_riff_audio[$stream_index]); $info_audio['lossless'] = false; switch ($info_riff_raw_strf_strh_fcc_type_stream_index['wFormatTag']) { case 0x1: // PCM $info_audio_dataformat = 'wav'; $info_audio['lossless'] = true; break; case 0x50: // MPEG Layer 2 or Layer 1 $info_audio_dataformat = 'mp2'; // Assume Layer-2 break; case 0x55: // MPEG Layer 3 $info_audio_dataformat = 'mp3'; break; case 0xff: // AAC $info_audio_dataformat = 'aac'; break; case 0x161: // Windows Media v7 / v8 / v9 // Windows Media v7 / v8 / v9 case 0x162: // Windows Media Professional v9 // Windows Media Professional v9 case 0x163: // Windows Media Lossess v9 $info_audio_dataformat = 'wma'; break; case 0x2000: // AC-3 $info_audio_dataformat = 'ac3'; break; case 0x2001: // DTS $info_audio_dataformat = 'dts'; break; default: $info_audio_dataformat = 'wav'; break; } $info_audio_streams_currentstream['dataformat'] = $info_audio_dataformat; $info_audio_streams_currentstream['lossless'] = $info_audio['lossless']; $info_audio_streams_currentstream['bitrate_mode'] = $info_audio['bitrate_mode']; break; case 'iavs': case 'vids': // shortcut $info_riff_raw['strh'][$i] = array(); $info_riff_raw_strh_current =& $info_riff_raw['strh'][$i]; getid3_lib::ReadSequence($this->endian_function, $info_riff_raw_strh_current, $strh_data, 0, array('fccType' => -4, 'fccHandler' => -4, 'dwFlags' => 4, 'wPriority' => 2, 'wLanguage' => 2, 'dwInitialFrames' => 4, 'dwScale' => 4, 'dwRate' => 4, 'dwStart' => 4, 'dwLength' => 4, 'dwSuggestedBufferSize' => 4, 'dwQuality' => 4, 'dwSampleSize' => 4, 'rcFrame' => 4)); $info_riff_video_current['codec'] = getid3_riff::RIFFfourccLookup($info_riff_raw_strh_current['fccHandler']); $info_video['fourcc'] = $info_riff_raw_strh_current['fccHandler']; if (!$info_riff_video_current['codec'] && isset($info_riff_raw_strf_strh_fcc_type_stream_index['fourcc']) && getid3_riff::RIFFfourccLookup($info_riff_raw_strf_strh_fcc_type_stream_index['fourcc'])) { $info_riff_video_current['codec'] = getid3_riff::RIFFfourccLookup($info_riff_raw_strf_strh_fcc_type_stream_index['fourcc']); $info_video['fourcc'] = $info_riff_raw_strf_strh_fcc_type_stream_index['fourcc']; } $info_video['codec'] = $info_riff_video_current['codec']; $info_video['pixel_aspect_ratio'] = (double) 1; switch ($info_riff_raw_strh_current['fccHandler']) { case 'HFYU': // Huffman Lossless Codec // Huffman Lossless Codec case 'IRAW': // Intel YUV Uncompressed // Intel YUV Uncompressed case 'YUY2': // Uncompressed YUV 4:2:2 $info_video['lossless'] = true; break; default: $info_video['lossless'] = false; break; } switch ($strh_fcc_type) { case 'vids': getid3_lib::ReadSequence($this->endian_function, $info_riff_raw_strf_strh_fcc_type_stream_index, $strf_data, 0, array('biSize' => 4, 'biWidth' => 4, 'biHeight' => 4, 'biPlanes' => 2, 'biBitCount' => 2, 'fourcc' => -4, 'biSizeImage' => 4, 'biXPelsPerMeter' => 4, 'biYPelsPerMeter' => 4, 'biClrUsed' => 4, 'biClrImportant' => 4)); $info_video['bits_per_sample'] = $info_riff_raw_strf_strh_fcc_type_stream_index['biBitCount']; if ($info_riff_video_current['codec'] == 'DV') { $info_riff_video_current['dv_type'] = 2; } break; case 'iavs': $info_riff_video_current['dv_type'] = 1; break; } break; default: $getid3->warning('Unhandled fccType for stream (' . $i . '): "' . $strh_fcc_type . '"'); break; } } } if (isset($info_riff_raw_strf_strh_fcc_type_stream_index['fourcc']) && getid3_riff::RIFFfourccLookup($info_riff_raw_strf_strh_fcc_type_stream_index['fourcc'])) { $info_riff_video_current['codec'] = getid3_riff::RIFFfourccLookup($info_riff_raw_strf_strh_fcc_type_stream_index['fourcc']); $info_video['codec'] = $info_riff_video_current['codec']; $info_video['fourcc'] = $info_riff_raw_strf_strh_fcc_type_stream_index['fourcc']; switch ($info_riff_raw_strf_strh_fcc_type_stream_index['fourcc']) { case 'HFYU': // Huffman Lossless Codec // Huffman Lossless Codec case 'IRAW': // Intel YUV Uncompressed // Intel YUV Uncompressed case 'YUY2': // Uncompressed YUV 4:2:2 $info_video['lossless'] = true; $info_video['bits_per_sample'] = 24; break; default: $info_video['lossless'] = false; $info_video['bits_per_sample'] = 24; break; } } } } } break; case 'CDDA': $info_audio['bitrate_mode'] = 'cbr'; $info_audio_dataformat = 'cda'; $info_audio['lossless'] = true; unset($getid3->info['mime_type']); $info_avdataoffset = 44; if (isset($info_riff['CDDA']['fmt '][0]['data'])) { $info_riff_cdda_fmt_0 =& $info_riff['CDDA']['fmt '][0]; getid3_lib::ReadSequence($this->endian_function, $info_riff_cdda_fmt_0, $info_riff_cdda_fmt_0['data'], 0, array('unknown1' => 2, 'track_num' => 2, 'disc_id' => 4, 'start_offset_frame' => 4, 'playtime_frames' => 4, 'unknown6' => 4, 'unknown7' => 4)); $info_riff_cdda_fmt_0['start_offset_seconds'] = (double) $info_riff_cdda_fmt_0['start_offset_frame'] / 75; $info_riff_cdda_fmt_0['playtime_seconds'] = (double) $info_riff_cdda_fmt_0['playtime_frames'] / 75; $getid3->info['comments']['track'] = $info_riff_cdda_fmt_0['track_num']; $getid3->info['playtime_seconds'] = $info_riff_cdda_fmt_0['playtime_seconds']; // hardcoded data for CD-audio $info_audio['sample_rate'] = 44100; $info_audio['channels'] = 2; $info_audio['bits_per_sample'] = 16; $info_audio['bitrate'] = $info_audio['sample_rate'] * $info_audio['channels'] * $info_audio['bits_per_sample']; $info_audio['bitrate_mode'] = 'cbr'; } break; case 'AIFF': case 'AIFC': $info_audio['bitrate_mode'] = 'cbr'; $info_audio_dataformat = 'aiff'; $info_audio['lossless'] = true; $getid3->info['mime_type'] = 'audio/x-aiff'; if (isset($info_riff[$riff_sub_type]['SSND'][0]['offset'])) { $info_avdataoffset = $info_riff[$riff_sub_type]['SSND'][0]['offset'] + 8; $info_avdataend = $info_avdataoffset + $info_riff[$riff_sub_type]['SSND'][0]['size']; if ($info_avdataend > $getid3->info['filesize']) { if ($info_avdataend == $getid3->info['filesize'] + 1 && $getid3->info['filesize'] % 2 == 1) { // structures rounded to 2-byte boundary, but dumb encoders // forget to pad end of file to make this actually work } else { $getid3->warning('Probable truncated AIFF file: expecting ' . $info_riff[$riff_sub_type]['SSND'][0]['size'] . ' bytes of audio data, only ' . ($getid3->info['filesize'] - $info_avdataoffset) . ' bytes found'); } $info_avdataend = $getid3->info['filesize']; } } if (isset($info_riff[$riff_sub_type]['COMM'][0]['data'])) { // shortcut $info_riff_RIFFsubtype_COMM_0_data =& $info_riff[$riff_sub_type]['COMM'][0]['data']; $info_riff_audio['channels'] = getid3_lib::BigEndianSyncSafe2Int(substr($info_riff_RIFFsubtype_COMM_0_data, 0, 2)); $info_riff_audio['total_samples'] = getid3_lib::BigEndian2Int(substr($info_riff_RIFFsubtype_COMM_0_data, 2, 4)); $info_riff_audio['bits_per_sample'] = getid3_lib::BigEndianSyncSafe2Int(substr($info_riff_RIFFsubtype_COMM_0_data, 6, 2)); $info_riff_audio['sample_rate'] = (int) getid3_riff::BigEndian2Float(substr($info_riff_RIFFsubtype_COMM_0_data, 8, 10)); if ($info_riff[$riff_sub_type]['COMM'][0]['size'] > 18) { $info_riff_audio['codec_fourcc'] = substr($info_riff_RIFFsubtype_COMM_0_data, 18, 4); $codec_name_size = getid3_lib::BigEndian2Int(substr($info_riff_RIFFsubtype_COMM_0_data, 22, 1)); $info_riff_audio['codec_name'] = substr($info_riff_RIFFsubtype_COMM_0_data, 23, $codec_name_size); switch ($info_riff_audio['codec_name']) { case 'NONE': $info_audio['codec'] = 'Pulse Code Modulation (PCM)'; $info_audio['lossless'] = true; break; case '': switch ($info_riff_audio['codec_fourcc']) { // http://developer.apple.com/qa/snd/snd07.html case 'sowt': $info_riff_audio['codec_name'] = 'Two\'s Compliment Little-Endian PCM'; $info_audio['lossless'] = true; break; case 'twos': $info_riff_audio['codec_name'] = 'Two\'s Compliment Big-Endian PCM'; $info_audio['lossless'] = true; break; default: break; } break; default: $info_audio['codec'] = $info_riff_audio['codec_name']; $info_audio['lossless'] = false; break; } } $info_audio['channels'] = $info_riff_audio['channels']; if ($info_riff_audio['bits_per_sample'] > 0) { $info_audio['bits_per_sample'] = $info_riff_audio['bits_per_sample']; } $info_audio['sample_rate'] = $info_riff_audio['sample_rate']; $getid3->info['playtime_seconds'] = $info_riff_audio['total_samples'] / $info_audio['sample_rate']; } if (isset($info_riff[$riff_sub_type]['COMT'])) { $comment_count = getid3_lib::BigEndian2Int(substr($info_riff[$riff_sub_type]['COMT'][0]['data'], 0, 2)); $offset = 2; for ($i = 0; $i < $comment_count; $i++) { $getid3->info['comments_raw'][$i]['timestamp'] = getid3_lib::BigEndian2Int(substr($info_riff[$riff_sub_type]['COMT'][0]['data'], $offset, 4)); $offset += 4; $getid3->info['comments_raw'][$i]['marker_id'] = getid3_lib::BigEndianSyncSafe2Int(substr($info_riff[$riff_sub_type]['COMT'][0]['data'], $offset, 2)); $offset += 2; $comment_length = getid3_lib::BigEndian2Int(substr($info_riff[$riff_sub_type]['COMT'][0]['data'], $offset, 2)); $offset += 2; $getid3->info['comments_raw'][$i]['comment'] = substr($info_riff[$riff_sub_type]['COMT'][0]['data'], $offset, $comment_length); $offset += $comment_length; $getid3->info['comments_raw'][$i]['timestamp_unix'] = getid3_riff::DateMac2Unix($getid3->info['comments_raw'][$i]['timestamp']); $info_riff['comments']['comment'][] = $getid3->info['comments_raw'][$i]['comment']; } } foreach (array('NAME' => 'title', 'author' => 'artist', '(c) ' => 'copyright', 'ANNO' => 'comment') as $key => $value) { if (isset($info_riff[$riff_sub_type][$key][0]['data'])) { $info_riff['comments'][$value][] = $info_riff[$riff_sub_type][$key][0]['data']; } } break; case '8SVX': $info_audio['bitrate_mode'] = 'cbr'; $info_audio_dataformat = '8svx'; $info_audio['bits_per_sample'] = 8; $info_audio['channels'] = 1; // overridden below, if need be $getid3->info['mime_type'] = 'audio/x-aiff'; if (isset($info_riff[$riff_sub_type]['BODY'][0]['offset'])) { $info_avdataoffset = $info_riff[$riff_sub_type]['BODY'][0]['offset'] + 8; $info_avdataend = $info_avdataoffset + $info_riff[$riff_sub_type]['BODY'][0]['size']; if ($info_avdataend > $getid3->info['filesize']) { $getid3->warning('Probable truncated AIFF file: expecting ' . $info_riff[$riff_sub_type]['BODY'][0]['size'] . ' bytes of audio data, only ' . ($getid3->info['filesize'] - $info_avdataoffset) . ' bytes found'); } } if (isset($info_riff[$riff_sub_type]['VHDR'][0]['offset'])) { // shortcut $info_riff_riff_sub_type_vhdr_0 =& $info_riff[$riff_sub_type]['VHDR'][0]; getid3_lib::ReadSequence('BigEndian2Int', $info_riff_riff_sub_type_vhdr_0, $info_riff_riff_sub_type_vhdr_0['data'], 0, array('oneShotHiSamples' => 4, 'repeatHiSamples' => 4, 'samplesPerHiCycle' => 4, 'samplesPerSec' => 2, 'ctOctave' => 1, 'sCompression' => 1, 'Volume' => -4)); $info_riff_riff_sub_type_vhdr_0['Volume'] = getid3_riff::FixedPoint16_16($info_riff_riff_sub_type_vhdr_0['Volume']); $info_audio['sample_rate'] = $info_riff_riff_sub_type_vhdr_0['samplesPerSec']; switch ($info_riff_riff_sub_type_vhdr_0['sCompression']) { case 0: $info_audio['codec'] = 'Pulse Code Modulation (PCM)'; $info_audio['lossless'] = true; $actual_bits_per_sample = 8; break; case 1: $info_audio['codec'] = 'Fibonacci-delta encoding'; $info_audio['lossless'] = false; $actual_bits_per_sample = 4; break; default: $getid3->warning('Unexpected sCompression value in 8SVX.VHDR chunk - expecting 0 or 1, found "' . sCompression . '"'); break; } } if (isset($info_riff[$riff_sub_type]['CHAN'][0]['data'])) { $ChannelsIndex = getid3_lib::BigEndian2Int(substr($info_riff[$riff_sub_type]['CHAN'][0]['data'], 0, 4)); switch ($ChannelsIndex) { case 6: // Stereo $info_audio['channels'] = 2; break; case 2: // Left channel only // Left channel only case 4: // Right channel only $info_audio['channels'] = 1; break; default: $getid3->warning('Unexpected value in 8SVX.CHAN chunk - expecting 2 or 4 or 6, found "' . $ChannelsIndex . '"'); break; } } foreach (array('NAME' => 'title', 'author' => 'artist', '(c) ' => 'copyright', 'ANNO' => 'comment') as $key => $value) { if (isset($info_riff[$riff_sub_type][$key][0]['data'])) { $info_riff['comments'][$value][] = $info_riff[$riff_sub_type][$key][0]['data']; } } $info_audio['bitrate'] = $info_audio['sample_rate'] * $actual_bits_per_sample * $info_audio['channels']; if (!empty($info_audio['bitrate'])) { $getid3->info['playtime_seconds'] = ($info_avdataend - $info_avdataoffset) / ($info_audio['bitrate'] / 8); } break; case 'CDXA': $getid3->info['mime_type'] = 'video/mpeg'; if (!empty($info_riff['CDXA']['data'][0]['size'])) { $GETID3_ERRORARRAY =& $getid3->info['warning']; if (!$getid3->include_module_optional('audio-video.mpeg')) { $getid3->warning('MPEG skipped because mpeg module is missing.'); } else { // Clone getid3 - messing with offsets - better safe than sorry $clone = clone $getid3; // Analyse $mpeg = new getid3_mpeg($clone); $mpeg->Analyze(); // Import from clone and destroy $getid3->info['audio'] = $clone->info['audio']; $getid3->info['video'] = $clone->info['video']; $getid3->info['mpeg'] = $clone->info['mpeg']; $getid3->info['warning'] = $clone->info['warning']; unset($clone); } } break; default: throw new getid3_exception('Unknown RIFF type: expecting one of (WAVE|RMP3|AVI |CDDA|AIFF|AIFC|8SVX|CDXA), found "' . $riff_sub_type . '" instead'); } if (@$info_riff_raw['fmt ']['wFormatTag'] == 1) { // http://www.mega-nerd.com/erikd/Blog/Windiots/dts.html $this->fseek($getid3->info['avdataoffset'], SEEK_SET); $bytes4 = $this->fread(4); // DTSWAV if (preg_match('/^\\xFF\\x1F\\x00\\xE8/s', $bytes4)) { $info_audio_dataformat = 'dts'; } elseif (preg_match('/^\\x7F\\xFF\\x80\\x01/s', $bytes4)) { $info_audio_dataformat = 'dts'; } } if (@is_array($info_riff_wave['DISP'])) { $info_riff['comments']['title'][] = trim(substr($info_riff_wave['DISP'][count($info_riff_wave['DISP']) - 1]['data'], 4)); } if (@is_array($info_riff_wave['INFO'])) { getid3_riff::RIFFCommentsParse($info_riff_wave['INFO'], $info_riff['comments']); } if (isset($info_riff_wave['INFO']) && is_array($info_riff_wave['INFO'])) { foreach (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') as $key => $value) { if (isset($info_riff_wave['INFO'][$key])) { foreach ($info_riff_wave['INFO'][$key] as $comment_id => $comment_data) { if (trim($comment_data['data']) != '') { $info_riff['comments'][$value][] = trim($comment_data['data']); } } } } } if (empty($info_audio['encoder']) && !empty($getid3->info['mpeg']['audio']['LAME']['short_version'])) { $info_audio['encoder'] = $getid3->info['mpeg']['audio']['LAME']['short_version']; } if (!isset($getid3->info['playtime_seconds'])) { $getid3->info['playtime_seconds'] = 0; } if (isset($info_riff_raw['avih']['dwTotalFrames']) && isset($info_riff_raw['avih']['dwMicroSecPerFrame'])) { $getid3->info['playtime_seconds'] = $info_riff_raw['avih']['dwTotalFrames'] * ($info_riff_raw['avih']['dwMicroSecPerFrame'] / 1000000); } if ($getid3->info['playtime_seconds'] > 0) { if (isset($info_riff_audio) && isset($info_riff_video)) { if (!isset($getid3->info['bitrate'])) { $getid3->info['bitrate'] = ($info_avdataend - $info_avdataoffset) / $getid3->info['playtime_seconds'] * 8; } } elseif (isset($info_riff_audio) && !isset($info_riff_video)) { if (!isset($info_audio['bitrate'])) { $info_audio['bitrate'] = ($info_avdataend - $info_avdataoffset) / $getid3->info['playtime_seconds'] * 8; } } elseif (!isset($info_riff_audio) && isset($info_riff_video)) { if (!isset($info_video['bitrate'])) { $info_video['bitrate'] = ($info_avdataend - $info_avdataoffset) / $getid3->info['playtime_seconds'] * 8; } } } if (isset($info_riff_video) && isset($info_audio['bitrate']) && $info_audio['bitrate'] > 0 && $getid3->info['playtime_seconds'] > 0) { $getid3->info['bitrate'] = ($info_avdataend - $info_avdataoffset) / $getid3->info['playtime_seconds'] * 8; $info_audio['bitrate'] = 0; $info_video['bitrate'] = $getid3->info['bitrate']; foreach ($info_riff_audio as $channelnumber => $audioinfoarray) { $info_video['bitrate'] -= $audioinfoarray['bitrate']; $info_audio['bitrate'] += $audioinfoarray['bitrate']; } if ($info_video['bitrate'] <= 0) { unset($info_video['bitrate']); } if ($info_audio['bitrate'] <= 0) { unset($info_audio['bitrate']); } } if (isset($getid3->info['mpeg']['audio'])) { $info_audio_dataformat = 'mp' . $getid3->info['mpeg']['audio']['layer']; $info_audio['sample_rate'] = $getid3->info['mpeg']['audio']['sample_rate']; $info_audio['channels'] = $getid3->info['mpeg']['audio']['channels']; $info_audio['bitrate'] = $getid3->info['mpeg']['audio']['bitrate']; $info_audio['bitrate_mode'] = strtolower($getid3->info['mpeg']['audio']['bitrate_mode']); if (!empty($getid3->info['mpeg']['audio']['codec'])) { $info_audio['codec'] = $getid3->info['mpeg']['audio']['codec'] . ' ' . $info_audio['codec']; } if (!empty($info_audio['streams'])) { foreach ($info_audio['streams'] as $streamnumber => $streamdata) { if ($streamdata['dataformat'] == $info_audio_dataformat) { $info_audio['streams'][$streamnumber]['sample_rate'] = $info_audio['sample_rate']; $info_audio['streams'][$streamnumber]['channels'] = $info_audio['channels']; $info_audio['streams'][$streamnumber]['bitrate'] = $info_audio['bitrate']; $info_audio['streams'][$streamnumber]['bitrate_mode'] = $info_audio['bitrate_mode']; $info_audio['streams'][$streamnumber]['codec'] = $info_audio['codec']; } } } $info_audio['encoder_options'] = getid3_mp3::GuessEncoderOptions($getid3->info); } if (!empty($info_riff_raw['fmt ']['wBitsPerSample']) && $info_riff_raw['fmt ']['wBitsPerSample'] > 0) { switch ($info_audio_dataformat) { case 'ac3': // ignore bits_per_sample break; default: $info_audio['bits_per_sample'] = $info_riff_raw['fmt ']['wBitsPerSample']; break; } } if (empty($info_riff_raw)) { unset($info_riff['raw']); } if (empty($info_riff_audio)) { unset($info_riff['audio']); } if (empty($info_riff_video)) { unset($info_riff['video']); } if (empty($info_audio_dataformat)) { unset($info_audio['dataformat']); } if (empty($getid3->info['audio'])) { unset($getid3->info['audio']); } if (empty($info_video)) { unset($getid3->info['video']); } return true; }