function getid3_riff(&$fd, &$ThisFileInfo) { // initialize these values to an empty array, otherwise they default to NULL // and you can't append array values to a NULL value $ThisFileInfo['riff'] = array('raw' => array()); // Shortcuts $thisfile_riff =& $ThisFileInfo['riff']; $thisfile_riff_raw =& $thisfile_riff['raw']; $thisfile_audio =& $ThisFileInfo['audio']; $thisfile_video =& $ThisFileInfo['video']; $thisfile_avdataoffset =& $ThisFileInfo['avdataoffset']; $thisfile_avdataend =& $ThisFileInfo['avdataend']; $thisfile_audio_dataformat =& $thisfile_audio['dataformat']; $thisfile_riff_audio =& $thisfile_riff['audio']; $thisfile_riff_video =& $thisfile_riff['video']; $Original['avdataoffset'] = $thisfile_avdataoffset; $Original['avdataend'] = $thisfile_avdataend; fseek($fd, $thisfile_avdataoffset, SEEK_SET); $RIFFheader = fread($fd, 12); $RIFFsubtype = substr($RIFFheader, 8, 4); switch (substr($RIFFheader, 0, 4)) { case 'FORM': $ThisFileInfo['fileformat'] = 'aiff'; $RIFFheaderSize = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($RIFFheader, 4, 4)); $thisfile_riff[$RIFFsubtype] = getid3_riff::ParseRIFF($fd, $thisfile_avdataoffset + 12, $thisfile_avdataoffset + $RIFFheaderSize, $ThisFileInfo); $thisfile_riff['header_size'] = $RIFFheaderSize; break; case 'RIFF': case 'SDSS': // SDSS is identical to RIFF, just renamed. Used by SmartSound QuickTracks (www.smartsound.com) // SDSS is identical to RIFF, just renamed. Used by SmartSound QuickTracks (www.smartsound.com) case 'RMP3': // RMP3 is identical to RIFF, just renamed. Used by [unknown program] when creating RIFF-MP3s if ($RIFFsubtype == 'RMP3') { // RMP3 is identical to WAVE, just renamed. Used by [unknown program] when creating RIFF-MP3s $RIFFsubtype = 'WAVE'; } $ThisFileInfo['fileformat'] = 'riff'; $RIFFheaderSize = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($RIFFheader, 4, 4)); $thisfile_riff[$RIFFsubtype] = getid3_riff::ParseRIFF($fd, $thisfile_avdataoffset + 12, $thisfile_avdataoffset + $RIFFheaderSize, $ThisFileInfo); $thisfile_riff['header_size'] = $RIFFheaderSize; if ($RIFFsubtype == 'WAVE') { $thisfile_riff_WAVE =& $thisfile_riff['WAVE']; } break; default: $ThisFileInfo['error'][] = 'Cannot parse RIFF (this is maybe not a RIFF / WAV / AVI file?) - expecting "FORM|RIFF|SDSS|RMP3" found "' . $RIFFsubtype . '" instead'; unset($ThisFileInfo['fileformat']); return false; break; } $streamindex = 0; switch ($RIFFsubtype) { case 'WAVE': if (empty($thisfile_audio['bitrate_mode'])) { $thisfile_audio['bitrate_mode'] = 'cbr'; } if (empty($thisfile_audio_dataformat)) { $thisfile_audio_dataformat = 'wav'; } if (isset($thisfile_riff_WAVE['data'][0]['offset'])) { $thisfile_avdataoffset = $thisfile_riff_WAVE['data'][0]['offset'] + 8; $thisfile_avdataend = $thisfile_avdataoffset + $thisfile_riff_WAVE['data'][0]['size']; } if (isset($thisfile_riff_WAVE['fmt '][0]['data'])) { $thisfile_riff_audio[$streamindex] = getid3_riff::RIFFparseWAVEFORMATex($thisfile_riff_WAVE['fmt '][0]['data']); $thisfile_audio['wformattag'] = $thisfile_riff_audio[$streamindex]['raw']['wFormatTag']; if (@$thisfile_riff_audio[$streamindex]['bitrate'] == 0) { $ThisFileInfo['error'][] = 'Corrupt RIFF file: bitrate_audio == zero'; return false; } $thisfile_riff_raw['fmt '] = $thisfile_riff_audio[$streamindex]['raw']; unset($thisfile_riff_audio[$streamindex]['raw']); $thisfile_audio['streams'][$streamindex] = $thisfile_riff_audio[$streamindex]; $thisfile_audio = getid3_lib::array_merge_noclobber($thisfile_audio, $thisfile_riff_audio[$streamindex]); if (substr($thisfile_audio['codec'], 0, strlen('unknown: 0x')) == 'unknown: 0x') { $ThisFileInfo['warning'][] = 'Audio codec = ' . $thisfile_audio['codec']; } $thisfile_audio['bitrate'] = $thisfile_riff_audio[$streamindex]['bitrate']; $ThisFileInfo['playtime_seconds'] = (double) (($thisfile_avdataend - $thisfile_avdataoffset) * 8 / $thisfile_audio['bitrate']); $thisfile_audio['lossless'] = false; if (isset($thisfile_riff_WAVE['data'][0]['offset']) && isset($thisfile_riff_raw['fmt ']['wFormatTag'])) { switch ($thisfile_riff_raw['fmt ']['wFormatTag']) { case 0x1: // PCM $thisfile_audio['lossless'] = true; break; case 0x2000: // AC-3 $thisfile_audio_dataformat = 'ac3'; break; default: // do nothing break; } } $thisfile_audio['streams'][$streamindex]['wformattag'] = $thisfile_audio['wformattag']; $thisfile_audio['streams'][$streamindex]['bitrate_mode'] = $thisfile_audio['bitrate_mode']; $thisfile_audio['streams'][$streamindex]['lossless'] = $thisfile_audio['lossless']; $thisfile_audio['streams'][$streamindex]['dataformat'] = $thisfile_audio_dataformat; } if (isset($thisfile_riff_WAVE['rgad'][0]['data'])) { // shortcuts $rgadData =& $thisfile_riff_WAVE['rgad'][0]['data']; $thisfile_riff_raw['rgad'] = array('track' => array(), 'album' => array()); $thisfile_riff_raw_rgad =& $thisfile_riff_raw['rgad']; $thisfile_riff_raw_rgad_track =& $thisfile_riff_raw_rgad['track']; $thisfile_riff_raw_rgad_album =& $thisfile_riff_raw_rgad['album']; $thisfile_riff_raw_rgad['fPeakAmplitude'] = getid3_lib::LittleEndian2Float(substr($rgadData, 0, 4)); $thisfile_riff_raw_rgad['nRadioRgAdjust'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($rgadData, 4, 2)); $thisfile_riff_raw_rgad['nAudiophileRgAdjust'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($rgadData, 6, 2)); $nRadioRgAdjustBitstring = str_pad(getid3_lib::Dec2Bin($thisfile_riff_raw_rgad['nRadioRgAdjust']), 16, '0', STR_PAD_LEFT); $nAudiophileRgAdjustBitstring = str_pad(getid3_lib::Dec2Bin($thisfile_riff_raw_rgad['nAudiophileRgAdjust']), 16, '0', STR_PAD_LEFT); $thisfile_riff_raw_rgad_track['name'] = getid3_lib::Bin2Dec(substr($nRadioRgAdjustBitstring, 0, 3)); $thisfile_riff_raw_rgad_track['originator'] = getid3_lib::Bin2Dec(substr($nRadioRgAdjustBitstring, 3, 3)); $thisfile_riff_raw_rgad_track['signbit'] = getid3_lib::Bin2Dec(substr($nRadioRgAdjustBitstring, 6, 1)); $thisfile_riff_raw_rgad_track['adjustment'] = getid3_lib::Bin2Dec(substr($nRadioRgAdjustBitstring, 7, 9)); $thisfile_riff_raw_rgad_album['name'] = getid3_lib::Bin2Dec(substr($nAudiophileRgAdjustBitstring, 0, 3)); $thisfile_riff_raw_rgad_album['originator'] = getid3_lib::Bin2Dec(substr($nAudiophileRgAdjustBitstring, 3, 3)); $thisfile_riff_raw_rgad_album['signbit'] = getid3_lib::Bin2Dec(substr($nAudiophileRgAdjustBitstring, 6, 1)); $thisfile_riff_raw_rgad_album['adjustment'] = getid3_lib::Bin2Dec(substr($nAudiophileRgAdjustBitstring, 7, 9)); $thisfile_riff['rgad']['peakamplitude'] = $thisfile_riff_raw_rgad['fPeakAmplitude']; if ($thisfile_riff_raw_rgad_track['name'] != 0 && $thisfile_riff_raw_rgad_track['originator'] != 0) { $thisfile_riff['rgad']['track']['name'] = getid3_lib::RGADnameLookup($thisfile_riff_raw_rgad_track['name']); $thisfile_riff['rgad']['track']['originator'] = getid3_lib::RGADoriginatorLookup($thisfile_riff_raw_rgad_track['originator']); $thisfile_riff['rgad']['track']['adjustment'] = getid3_lib::RGADadjustmentLookup($thisfile_riff_raw_rgad_track['adjustment'], $thisfile_riff_raw_rgad_track['signbit']); } if ($thisfile_riff_raw_rgad_album['name'] != 0 && $thisfile_riff_raw_rgad_album['originator'] != 0) { $thisfile_riff['rgad']['album']['name'] = getid3_lib::RGADnameLookup($thisfile_riff_raw_rgad_album['name']); $thisfile_riff['rgad']['album']['originator'] = getid3_lib::RGADoriginatorLookup($thisfile_riff_raw_rgad_album['originator']); $thisfile_riff['rgad']['album']['adjustment'] = getid3_lib::RGADadjustmentLookup($thisfile_riff_raw_rgad_album['adjustment'], $thisfile_riff_raw_rgad_album['signbit']); } } if (isset($thisfile_riff_WAVE['fact'][0]['data'])) { $thisfile_riff_raw['fact']['NumberOfSamples'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($thisfile_riff_WAVE['fact'][0]['data'], 0, 4)); // This should be a good way of calculating exact playtime, // but some sample files have had incorrect number of samples, // so cannot use this method // if (!empty($thisfile_riff_raw['fmt ']['nSamplesPerSec'])) { // $ThisFileInfo['playtime_seconds'] = (float) $thisfile_riff_raw['fact']['NumberOfSamples'] / $thisfile_riff_raw['fmt ']['nSamplesPerSec']; // } } if (!empty($thisfile_riff_raw['fmt ']['nAvgBytesPerSec'])) { $thisfile_audio['bitrate'] = getid3_lib::CastAsInt($thisfile_riff_raw['fmt ']['nAvgBytesPerSec'] * 8); } if (isset($thisfile_riff_WAVE['bext'][0]['data'])) { // shortcut $thisfile_riff_WAVE_bext_0 =& $thisfile_riff_WAVE['bext'][0]; $thisfile_riff_WAVE_bext_0['title'] = trim(substr($thisfile_riff_WAVE_bext_0['data'], 0, 256)); $thisfile_riff_WAVE_bext_0['author'] = trim(substr($thisfile_riff_WAVE_bext_0['data'], 256, 32)); $thisfile_riff_WAVE_bext_0['reference'] = trim(substr($thisfile_riff_WAVE_bext_0['data'], 288, 32)); $thisfile_riff_WAVE_bext_0['origin_date'] = substr($thisfile_riff_WAVE_bext_0['data'], 320, 10); $thisfile_riff_WAVE_bext_0['origin_time'] = substr($thisfile_riff_WAVE_bext_0['data'], 330, 8); $thisfile_riff_WAVE_bext_0['time_reference'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_bext_0['data'], 338, 8)); $thisfile_riff_WAVE_bext_0['bwf_version'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_bext_0['data'], 346, 1)); $thisfile_riff_WAVE_bext_0['reserved'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_bext_0['data'], 347, 254)); $thisfile_riff_WAVE_bext_0['coding_history'] = explode("\r\n", trim(substr($thisfile_riff_WAVE_bext_0['data'], 601))); $thisfile_riff_WAVE_bext_0['origin_date_unix'] = gmmktime(substr($thisfile_riff_WAVE_bext_0['origin_time'], 0, 2), substr($thisfile_riff_WAVE_bext_0['origin_time'], 3, 2), substr($thisfile_riff_WAVE_bext_0['origin_time'], 6, 2), substr($thisfile_riff_WAVE_bext_0['origin_date'], 5, 2), substr($thisfile_riff_WAVE_bext_0['origin_date'], 8, 2), substr($thisfile_riff_WAVE_bext_0['origin_date'], 0, 4)); $thisfile_riff['comments']['author'][] = $thisfile_riff_WAVE_bext_0['author']; $thisfile_riff['comments']['title'][] = $thisfile_riff_WAVE_bext_0['title']; } if (isset($thisfile_riff_WAVE['MEXT'][0]['data'])) { // shortcut $thisfile_riff_WAVE_MEXT_0 =& $thisfile_riff_WAVE['MEXT'][0]; $thisfile_riff_WAVE_MEXT_0['raw']['sound_information'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_MEXT_0['data'], 0, 2)); $thisfile_riff_WAVE_MEXT_0['flags']['homogenous'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['sound_information'] & 0x1); if ($thisfile_riff_WAVE_MEXT_0['flags']['homogenous']) { $thisfile_riff_WAVE_MEXT_0['flags']['padding'] = $thisfile_riff_WAVE_MEXT_0['raw']['sound_information'] & 0x2 ? false : true; $thisfile_riff_WAVE_MEXT_0['flags']['22_or_44'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['sound_information'] & 0x4); $thisfile_riff_WAVE_MEXT_0['flags']['free_format'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['sound_information'] & 0x8); $thisfile_riff_WAVE_MEXT_0['nominal_frame_size'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_MEXT_0['data'], 2, 2)); } $thisfile_riff_WAVE_MEXT_0['anciliary_data_length'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_MEXT_0['data'], 6, 2)); $thisfile_riff_WAVE_MEXT_0['raw']['anciliary_data_def'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_MEXT_0['data'], 8, 2)); $thisfile_riff_WAVE_MEXT_0['flags']['anciliary_data_left'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['anciliary_data_def'] & 0x1); $thisfile_riff_WAVE_MEXT_0['flags']['anciliary_data_free'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['anciliary_data_def'] & 0x2); $thisfile_riff_WAVE_MEXT_0['flags']['anciliary_data_right'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['anciliary_data_def'] & 0x4); } if (isset($thisfile_riff_WAVE['cart'][0]['data'])) { // shortcut $thisfile_riff_WAVE_cart_0 =& $thisfile_riff_WAVE['cart'][0]; $thisfile_riff_WAVE_cart_0['version'] = substr($thisfile_riff_WAVE_cart_0['data'], 0, 4); $thisfile_riff_WAVE_cart_0['title'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 4, 64)); $thisfile_riff_WAVE_cart_0['artist'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 68, 64)); $thisfile_riff_WAVE_cart_0['cut_id'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 132, 64)); $thisfile_riff_WAVE_cart_0['client_id'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 196, 64)); $thisfile_riff_WAVE_cart_0['category'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 260, 64)); $thisfile_riff_WAVE_cart_0['classification'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 324, 64)); $thisfile_riff_WAVE_cart_0['out_cue'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 388, 64)); $thisfile_riff_WAVE_cart_0['start_date'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 452, 10)); $thisfile_riff_WAVE_cart_0['start_time'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 462, 8)); $thisfile_riff_WAVE_cart_0['end_date'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 470, 10)); $thisfile_riff_WAVE_cart_0['end_time'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 480, 8)); $thisfile_riff_WAVE_cart_0['producer_app_id'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 488, 64)); $thisfile_riff_WAVE_cart_0['producer_app_version'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 552, 64)); $thisfile_riff_WAVE_cart_0['user_defined_text'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 616, 64)); $thisfile_riff_WAVE_cart_0['zero_db_reference'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_cart_0['data'], 680, 4), true); for ($i = 0; $i < 8; $i++) { $thisfile_riff_WAVE_cart_0['post_time'][$i]['usage_fourcc'] = substr($thisfile_riff_WAVE_cart_0['data'], 684 + $i * 8, 4); $thisfile_riff_WAVE_cart_0['post_time'][$i]['timer_value'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_cart_0['data'], 684 + $i * 8 + 4, 4)); } $thisfile_riff_WAVE_cart_0['url'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 748, 1024)); $thisfile_riff_WAVE_cart_0['tag_text'] = explode("\r\n", trim(substr($thisfile_riff_WAVE_cart_0['data'], 1772))); $thisfile_riff['comments']['artist'][] = $thisfile_riff_WAVE_cart_0['artist']; $thisfile_riff['comments']['title'][] = $thisfile_riff_WAVE_cart_0['title']; } if (!isset($thisfile_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)); $thisfile_riff_litewave_raw['m_wReserved'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], 32, 2)); $thisfile_riff_litewave_raw['m_dwOrgSize'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], 34, 4)); $thisfile_riff_litewave_raw['m_bFactExists'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], 38, 2)); $thisfile_riff_litewave_raw['m_dwRiffChunkSize'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], 40, 4)); //$thisfile_riff_litewave['quality_factor'] = intval(round((2000 - $thisfile_riff_litewave_raw['m_dwScale']) / 20)); $thisfile_riff_litewave['quality_factor'] = $thisfile_riff_litewave_raw['m_wQuality']; $thisfile_riff_litewave['flags']['raw_source'] = $thisfile_riff_litewave_raw['compression_flags'] & 0x1 ? false : true; $thisfile_riff_litewave['flags']['vbr_blocksize'] = $thisfile_riff_litewave_raw['compression_flags'] & 0x2 ? false : true; $thisfile_riff_litewave['flags']['seekpoints'] = (bool) ($thisfile_riff_litewave_raw['compression_flags'] & 0x4); $thisfile_audio['lossless'] = $thisfile_riff_litewave_raw['m_wQuality'] == 100 ? true : false; $thisfile_audio['encoder_options'] = '-q' . $thisfile_riff_litewave['quality_factor']; break; default: break; } } if ($thisfile_avdataend > $ThisFileInfo['filesize']) { switch (@$thisfile_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 ($thisfile_avdataend - $ThisFileInfo['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 $ThisFileInfo['warning'][] = 'Probably truncated file - expecting ' . $thisfile_riff[$RIFFsubtype]['data'][0]['size'] . ' bytes of data, only found ' . ($ThisFileInfo['filesize'] - $thisfile_avdataoffset) . ' (short by ' . ($thisfile_riff[$RIFFsubtype]['data'][0]['size'] - ($ThisFileInfo['filesize'] - $thisfile_avdataoffset)) . ' bytes)'; $thisfile_avdataend = $ThisFileInfo['filesize']; } break; default: if ($thisfile_avdataend - $ThisFileInfo['filesize'] == 1 && $thisfile_riff[$RIFFsubtype]['data'][0]['size'] % 2 == 0 && ($ThisFileInfo['filesize'] - $thisfile_avdataoffset) % 2 == 1) { // output file appears to be incorrectly *not* padded to nearest WORD boundary // Output less severe warning $ThisFileInfo['warning'][] = 'File should probably be padded to nearest WORD boundary, but it is not (expecting ' . $thisfile_riff[$RIFFsubtype]['data'][0]['size'] . ' bytes of data, only found ' . ($ThisFileInfo['filesize'] - $thisfile_avdataoffset) . ' therefore short by ' . ($thisfile_riff[$RIFFsubtype]['data'][0]['size'] - ($ThisFileInfo['filesize'] - $thisfile_avdataoffset)) . ' bytes)'; $thisfile_avdataend = $ThisFileInfo['filesize']; break; } // Short by more than one byte, throw warning $ThisFileInfo['warning'][] = 'Probably truncated file - expecting ' . $thisfile_riff[$RIFFsubtype]['data'][0]['size'] . ' bytes of data, only found ' . ($ThisFileInfo['filesize'] - $thisfile_avdataoffset) . ' (short by ' . ($thisfile_riff[$RIFFsubtype]['data'][0]['size'] - ($ThisFileInfo['filesize'] - $thisfile_avdataoffset)) . ' bytes)'; $thisfile_avdataend = $ThisFileInfo['filesize']; break; } } if (!empty($ThisFileInfo['mpeg']['audio']['LAME']['audio_bytes'])) { if ($thisfile_avdataend - $thisfile_avdataoffset - $ThisFileInfo['mpeg']['audio']['LAME']['audio_bytes'] == 1) { $thisfile_avdataend--; $ThisFileInfo['warning'][] = 'Extra null byte at end of MP3 data assumed to be RIFF padding and therefore ignored'; } } if (@$thisfile_audio_dataformat == 'ac3') { unset($thisfile_audio['bits_per_sample']); if (!empty($ThisFileInfo['ac3']['bitrate']) && $ThisFileInfo['ac3']['bitrate'] != $thisfile_audio['bitrate']) { $thisfile_audio['bitrate'] = $ThisFileInfo['ac3']['bitrate']; } } break; case 'AVI ': $thisfile_video['bitrate_mode'] = 'vbr'; // maybe not, but probably $thisfile_video['dataformat'] = 'avi'; $ThisFileInfo['mime_type'] = 'video/avi'; if (isset($thisfile_riff[$RIFFsubtype]['movi']['offset'])) { $thisfile_avdataoffset = $thisfile_riff[$RIFFsubtype]['movi']['offset'] + 8; $thisfile_avdataend = $thisfile_avdataoffset + $thisfile_riff[$RIFFsubtype]['movi']['size']; if ($thisfile_avdataend > $ThisFileInfo['filesize']) { $ThisFileInfo['warning'][] = 'Probably truncated file - expecting ' . $thisfile_riff[$RIFFsubtype]['movi']['size'] . ' bytes of data, only found ' . ($ThisFileInfo['filesize'] - $thisfile_avdataoffset) . ' (short by ' . ($thisfile_riff[$RIFFsubtype]['movi']['size'] - ($ThisFileInfo['filesize'] - $thisfile_avdataoffset)) . ' bytes)'; $thisfile_avdataend = $ThisFileInfo['filesize']; } } if (isset($thisfile_riff['AVI ']['hdrl']['avih'][$streamindex]['data'])) { $avihData = $thisfile_riff['AVI ']['hdrl']['avih'][$streamindex]['data']; // shortcut $thisfile_riff_raw['avih'] = array(); $thisfile_riff_raw_avih =& $thisfile_riff_raw['avih']; $thisfile_riff_raw_avih['dwMicroSecPerFrame'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($avihData, 0, 4)); // frame display rate (or 0L) if ($thisfile_riff_raw_avih['dwMicroSecPerFrame'] == 0) { $ThisFileInfo['error'][] = 'Corrupt RIFF file: avih.dwMicroSecPerFrame == zero'; return false; } $thisfile_riff_raw_avih['dwMaxBytesPerSec'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($avihData, 4, 4)); // max. transfer rate $thisfile_riff_raw_avih['dwPaddingGranularity'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($avihData, 8, 4)); // pad to multiples of this size; normally 2K. $thisfile_riff_raw_avih['dwFlags'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($avihData, 12, 4)); // the ever-present flags $thisfile_riff_raw_avih['dwTotalFrames'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($avihData, 16, 4)); // # frames in file $thisfile_riff_raw_avih['dwInitialFrames'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($avihData, 20, 4)); $thisfile_riff_raw_avih['dwStreams'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($avihData, 24, 4)); $thisfile_riff_raw_avih['dwSuggestedBufferSize'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($avihData, 28, 4)); $thisfile_riff_raw_avih['dwWidth'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($avihData, 32, 4)); $thisfile_riff_raw_avih['dwHeight'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($avihData, 36, 4)); $thisfile_riff_raw_avih['dwScale'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($avihData, 40, 4)); $thisfile_riff_raw_avih['dwRate'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($avihData, 44, 4)); $thisfile_riff_raw_avih['dwStart'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($avihData, 48, 4)); $thisfile_riff_raw_avih['dwLength'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($avihData, 52, 4)); $thisfile_riff_raw_avih['flags']['hasindex'] = (bool) ($thisfile_riff_raw_avih['dwFlags'] & 0x10); $thisfile_riff_raw_avih['flags']['mustuseindex'] = (bool) ($thisfile_riff_raw_avih['dwFlags'] & 0x20); $thisfile_riff_raw_avih['flags']['interleaved'] = (bool) ($thisfile_riff_raw_avih['dwFlags'] & 0x100); $thisfile_riff_raw_avih['flags']['trustcktype'] = (bool) ($thisfile_riff_raw_avih['dwFlags'] & 0x800); $thisfile_riff_raw_avih['flags']['capturedfile'] = (bool) ($thisfile_riff_raw_avih['dwFlags'] & 0x10000); $thisfile_riff_raw_avih['flags']['copyrighted'] = (bool) ($thisfile_riff_raw_avih['dwFlags'] & 0x20010); // shortcut $thisfile_riff_video[$streamindex] = array(); $thisfile_riff_video_current =& $thisfile_riff_video[$streamindex]; if ($thisfile_riff_raw_avih['dwWidth'] > 0) { $thisfile_riff_video_current['frame_width'] = $thisfile_riff_raw_avih['dwWidth']; $thisfile_video['resolution_x'] = $thisfile_riff_video_current['frame_width']; } if ($thisfile_riff_raw_avih['dwHeight'] > 0) { $thisfile_riff_video_current['frame_height'] = $thisfile_riff_raw_avih['dwHeight']; $thisfile_video['resolution_y'] = $thisfile_riff_video_current['frame_height']; } if ($thisfile_riff_raw_avih['dwTotalFrames'] > 0) { $thisfile_riff_video_current['total_frames'] = $thisfile_riff_raw_avih['dwTotalFrames']; $thisfile_video['total_frames'] = $thisfile_riff_video_current['total_frames']; } $thisfile_riff_video_current['frame_rate'] = round(1000000 / $thisfile_riff_raw_avih['dwMicroSecPerFrame'], 3); $thisfile_video['frame_rate'] = $thisfile_riff_video_current['frame_rate']; } if (isset($thisfile_riff['AVI ']['hdrl']['strl']['strh'][0]['data'])) { if (is_array($thisfile_riff['AVI ']['hdrl']['strl']['strh'])) { for ($i = 0; $i < count($thisfile_riff['AVI ']['hdrl']['strl']['strh']); $i++) { if (isset($thisfile_riff['AVI ']['hdrl']['strl']['strh'][$i]['data'])) { $strhData = $thisfile_riff['AVI ']['hdrl']['strl']['strh'][$i]['data']; $strhfccType = substr($strhData, 0, 4); if (isset($thisfile_riff['AVI ']['hdrl']['strl']['strf'][$i]['data'])) { $strfData = $thisfile_riff['AVI ']['hdrl']['strl']['strf'][$i]['data']; // shortcut $thisfile_riff_raw_strf_strhfccType_streamindex =& $thisfile_riff_raw['strf'][$strhfccType][$streamindex]; switch ($strhfccType) { case 'auds': $thisfile_audio['bitrate_mode'] = 'cbr'; $thisfile_audio_dataformat = 'wav'; if (isset($thisfile_riff_audio) && is_array($thisfile_riff_audio)) { $streamindex = count($thisfile_riff_audio); } $thisfile_riff_audio[$streamindex] = getid3_riff::RIFFparseWAVEFORMATex($strfData); $thisfile_audio['wformattag'] = $thisfile_riff_audio[$streamindex]['raw']['wFormatTag']; // shortcut $thisfile_audio['streams'][$streamindex] = $thisfile_riff_audio[$streamindex]; $thisfile_audio_streams_currentstream =& $thisfile_audio['streams'][$streamindex]; if ($thisfile_audio_streams_currentstream['bits_per_sample'] == 0) { unset($thisfile_audio_streams_currentstream['bits_per_sample']); } $thisfile_audio_streams_currentstream['wformattag'] = $thisfile_audio_streams_currentstream['raw']['wFormatTag']; unset($thisfile_audio_streams_currentstream['raw']); // shortcut $thisfile_riff_raw['strf'][$strhfccType][$streamindex] = $thisfile_riff_audio[$streamindex]['raw']; unset($thisfile_riff_audio[$streamindex]['raw']); $thisfile_audio = getid3_lib::array_merge_noclobber($thisfile_audio, $thisfile_riff_audio[$streamindex]); $thisfile_audio['lossless'] = false; switch ($thisfile_riff_raw_strf_strhfccType_streamindex['wFormatTag']) { case 0x1: // PCM $thisfile_audio_dataformat = 'wav'; $thisfile_audio['lossless'] = true; break; case 0x50: // MPEG Layer 2 or Layer 1 $thisfile_audio_dataformat = 'mp2'; // Assume Layer-2 break; case 0x55: // MPEG Layer 3 $thisfile_audio_dataformat = 'mp3'; break; case 0xff: // AAC $thisfile_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 $thisfile_audio_dataformat = 'wma'; break; case 0x2000: // AC-3 $thisfile_audio_dataformat = 'ac3'; break; case 0x2001: // DTS $thisfile_audio_dataformat = 'dts'; break; default: $thisfile_audio_dataformat = 'wav'; break; } $thisfile_audio_streams_currentstream['dataformat'] = $thisfile_audio_dataformat; $thisfile_audio_streams_currentstream['lossless'] = $thisfile_audio['lossless']; $thisfile_audio_streams_currentstream['bitrate_mode'] = $thisfile_audio['bitrate_mode']; break; case 'iavs': case 'vids': // shortcut $thisfile_riff_raw['strh'][$i] = array(); $thisfile_riff_raw_strh_current =& $thisfile_riff_raw['strh'][$i]; $thisfile_riff_raw_strh_current['fccType'] = substr($strhData, 0, 4); // same as $strhfccType; $thisfile_riff_raw_strh_current['fccHandler'] = substr($strhData, 4, 4); $thisfile_riff_raw_strh_current['dwFlags'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strhData, 8, 4)); // Contains AVITF_* flags $thisfile_riff_raw_strh_current['wPriority'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strhData, 12, 2)); $thisfile_riff_raw_strh_current['wLanguage'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strhData, 14, 2)); $thisfile_riff_raw_strh_current['dwInitialFrames'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strhData, 16, 4)); $thisfile_riff_raw_strh_current['dwScale'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strhData, 20, 4)); $thisfile_riff_raw_strh_current['dwRate'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strhData, 24, 4)); $thisfile_riff_raw_strh_current['dwStart'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strhData, 28, 4)); $thisfile_riff_raw_strh_current['dwLength'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strhData, 32, 4)); $thisfile_riff_raw_strh_current['dwSuggestedBufferSize'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strhData, 36, 4)); $thisfile_riff_raw_strh_current['dwQuality'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strhData, 40, 4)); $thisfile_riff_raw_strh_current['dwSampleSize'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strhData, 44, 4)); $thisfile_riff_raw_strh_current['rcFrame'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strhData, 48, 4)); $thisfile_riff_video_current['codec'] = getid3_riff::RIFFfourccLookup($thisfile_riff_raw_strh_current['fccHandler']); $thisfile_video['fourcc'] = $thisfile_riff_raw_strh_current['fccHandler']; if (!$thisfile_riff_video_current['codec'] && isset($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc']) && getid3_riff::RIFFfourccLookup($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc'])) { $thisfile_riff_video_current['codec'] = getid3_riff::RIFFfourccLookup($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc']); $thisfile_video['fourcc'] = $thisfile_riff_raw_strf_strhfccType_streamindex['fourcc']; } $thisfile_video['codec'] = $thisfile_riff_video_current['codec']; $thisfile_video['pixel_aspect_ratio'] = (double) 1; switch ($thisfile_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 $thisfile_video['lossless'] = true; break; default: $thisfile_video['lossless'] = false; break; } switch ($strhfccType) { case 'vids': $thisfile_riff_raw_strf_strhfccType_streamindex['biSize'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strfData, 0, 4)); // number of bytes required by the BITMAPINFOHEADER structure $thisfile_riff_raw_strf_strhfccType_streamindex['biWidth'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strfData, 4, 4)); // width of the bitmap in pixels $thisfile_riff_raw_strf_strhfccType_streamindex['biHeight'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strfData, 8, 4)); // height of the bitmap in pixels. If biHeight is positive, the bitmap is a 'bottom-up' DIB and its origin is the lower left corner. If biHeight is negative, the bitmap is a 'top-down' DIB and its origin is the upper left corner $thisfile_riff_raw_strf_strhfccType_streamindex['biPlanes'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strfData, 12, 2)); // number of color planes on the target device. In most cases this value must be set to 1 $thisfile_riff_raw_strf_strhfccType_streamindex['biBitCount'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strfData, 14, 2)); // Specifies the number of bits per pixels $thisfile_riff_raw_strf_strhfccType_streamindex['fourcc'] = substr($strfData, 16, 4); // $thisfile_riff_raw_strf_strhfccType_streamindex['biSizeImage'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strfData, 20, 4)); // size of the bitmap data section of the image (the actual pixel data, excluding BITMAPINFOHEADER and RGBQUAD structures) $thisfile_riff_raw_strf_strhfccType_streamindex['biXPelsPerMeter'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strfData, 24, 4)); // horizontal resolution, in pixels per metre, of the target device $thisfile_riff_raw_strf_strhfccType_streamindex['biYPelsPerMeter'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strfData, 28, 4)); // vertical resolution, in pixels per metre, of the target device $thisfile_riff_raw_strf_strhfccType_streamindex['biClrUsed'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strfData, 32, 4)); // actual number of color indices in the color table used by the bitmap. If this value is zero, the bitmap uses the maximum number of colors corresponding to the value of the biBitCount member for the compression mode specified by biCompression $thisfile_riff_raw_strf_strhfccType_streamindex['biClrImportant'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($strfData, 36, 4)); // number of color indices that are considered important for displaying the bitmap. If this value is zero, all colors are important $thisfile_video['bits_per_sample'] = $thisfile_riff_raw_strf_strhfccType_streamindex['biBitCount']; if ($thisfile_riff_video_current['codec'] == 'DV') { $thisfile_riff_video_current['dv_type'] = 2; } break; case 'iavs': $thisfile_riff_video_current['dv_type'] = 1; break; } break; default: $ThisFileInfo['warning'][] = 'Unhandled fccType for stream (' . $i . '): "' . $strhfccType . '"'; break; } } } if (isset($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc']) && getid3_riff::RIFFfourccLookup($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc'])) { $thisfile_riff_video_current['codec'] = getid3_riff::RIFFfourccLookup($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc']); $thisfile_video['codec'] = $thisfile_riff_video_current['codec']; $thisfile_video['fourcc'] = $thisfile_riff_raw_strf_strhfccType_streamindex['fourcc']; switch ($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc']) { case 'HFYU': // Huffman Lossless Codec // Huffman Lossless Codec case 'IRAW': // Intel YUV Uncompressed // Intel YUV Uncompressed case 'YUY2': // Uncompressed YUV 4:2:2 $thisfile_video['lossless'] = true; $thisfile_video['bits_per_sample'] = 24; break; default: $thisfile_video['lossless'] = false; $thisfile_video['bits_per_sample'] = 24; break; } } } } } break; case 'CDDA': $thisfile_audio['bitrate_mode'] = 'cbr'; $thisfile_audio_dataformat = 'cda'; $thisfile_audio['lossless'] = true; unset($ThisFileInfo['mime_type']); $thisfile_avdataoffset = 44; if (isset($thisfile_riff['CDDA']['fmt '][0]['data'])) { // shortcut $thisfile_riff_CDDA_fmt_0 =& $thisfile_riff['CDDA']['fmt '][0]; $thisfile_riff_CDDA_fmt_0['unknown1'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($thisfile_riff_CDDA_fmt_0['data'], 0, 2)); $thisfile_riff_CDDA_fmt_0['track_num'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($thisfile_riff_CDDA_fmt_0['data'], 2, 2)); $thisfile_riff_CDDA_fmt_0['disc_id'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($thisfile_riff_CDDA_fmt_0['data'], 4, 4)); $thisfile_riff_CDDA_fmt_0['start_offset_frame'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($thisfile_riff_CDDA_fmt_0['data'], 8, 4)); $thisfile_riff_CDDA_fmt_0['playtime_frames'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($thisfile_riff_CDDA_fmt_0['data'], 12, 4)); $thisfile_riff_CDDA_fmt_0['unknown6'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($thisfile_riff_CDDA_fmt_0['data'], 16, 4)); $thisfile_riff_CDDA_fmt_0['unknown7'] = getid3_riff::EitherEndian2Int($ThisFileInfo, substr($thisfile_riff_CDDA_fmt_0['data'], 20, 4)); $thisfile_riff_CDDA_fmt_0['start_offset_seconds'] = (double) $thisfile_riff_CDDA_fmt_0['start_offset_frame'] / 75; $thisfile_riff_CDDA_fmt_0['playtime_seconds'] = (double) $thisfile_riff_CDDA_fmt_0['playtime_frames'] / 75; $ThisFileInfo['comments']['track'] = $thisfile_riff_CDDA_fmt_0['track_num']; $ThisFileInfo['playtime_seconds'] = $thisfile_riff_CDDA_fmt_0['playtime_seconds']; // hardcoded data for CD-audio $thisfile_audio['sample_rate'] = 44100; $thisfile_audio['channels'] = 2; $thisfile_audio['bits_per_sample'] = 16; $thisfile_audio['bitrate'] = $thisfile_audio['sample_rate'] * $thisfile_audio['channels'] * $thisfile_audio['bits_per_sample']; $thisfile_audio['bitrate_mode'] = 'cbr'; } break; case 'AIFF': case 'AIFC': $thisfile_audio['bitrate_mode'] = 'cbr'; $thisfile_audio_dataformat = 'aiff'; $thisfile_audio['lossless'] = true; $ThisFileInfo['mime_type'] = 'audio/x-aiff'; if (isset($thisfile_riff[$RIFFsubtype]['SSND'][0]['offset'])) { $thisfile_avdataoffset = $thisfile_riff[$RIFFsubtype]['SSND'][0]['offset'] + 8; $thisfile_avdataend = $thisfile_avdataoffset + $thisfile_riff[$RIFFsubtype]['SSND'][0]['size']; if ($thisfile_avdataend > $ThisFileInfo['filesize']) { if ($thisfile_avdataend == $ThisFileInfo['filesize'] + 1 && $ThisFileInfo['filesize'] % 2 == 1) { // structures rounded to 2-byte boundary, but dumb encoders // forget to pad end of file to make this actually work } else { $ThisFileInfo['warning'][] = 'Probable truncated AIFF file: expecting ' . $thisfile_riff[$RIFFsubtype]['SSND'][0]['size'] . ' bytes of audio data, only ' . ($ThisFileInfo['filesize'] - $thisfile_avdataoffset) . ' bytes found'; } $thisfile_avdataend = $ThisFileInfo['filesize']; } } if (isset($thisfile_riff[$RIFFsubtype]['COMM'][0]['data'])) { // shortcut $thisfile_riff_RIFFsubtype_COMM_0_data =& $thisfile_riff[$RIFFsubtype]['COMM'][0]['data']; $thisfile_riff_audio['channels'] = getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_COMM_0_data, 0, 2), true); $thisfile_riff_audio['total_samples'] = getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_COMM_0_data, 2, 4), false); $thisfile_riff_audio['bits_per_sample'] = getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_COMM_0_data, 6, 2), true); $thisfile_riff_audio['sample_rate'] = (int) getid3_lib::BigEndian2Float(substr($thisfile_riff_RIFFsubtype_COMM_0_data, 8, 10)); if ($thisfile_riff[$RIFFsubtype]['COMM'][0]['size'] > 18) { $thisfile_riff_audio['codec_fourcc'] = substr($thisfile_riff_RIFFsubtype_COMM_0_data, 18, 4); $CodecNameSize = getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_COMM_0_data, 22, 1), false); $thisfile_riff_audio['codec_name'] = substr($thisfile_riff_RIFFsubtype_COMM_0_data, 23, $CodecNameSize); switch ($thisfile_riff_audio['codec_name']) { case 'NONE': $thisfile_audio['codec'] = 'Pulse Code Modulation (PCM)'; $thisfile_audio['lossless'] = true; break; case '': switch ($thisfile_riff_audio['codec_fourcc']) { // http://developer.apple.com/qa/snd/snd07.html case 'sowt': $thisfile_riff_audio['codec_name'] = 'Two\'s Compliment Little-Endian PCM'; $thisfile_audio['lossless'] = true; break; case 'twos': $thisfile_riff_audio['codec_name'] = 'Two\'s Compliment Big-Endian PCM'; $thisfile_audio['lossless'] = true; break; default: break; } break; default: $thisfile_audio['codec'] = $thisfile_riff_audio['codec_name']; $thisfile_audio['lossless'] = false; break; } } $thisfile_audio['channels'] = $thisfile_riff_audio['channels']; if ($thisfile_riff_audio['bits_per_sample'] > 0) { $thisfile_audio['bits_per_sample'] = $thisfile_riff_audio['bits_per_sample']; } $thisfile_audio['sample_rate'] = $thisfile_riff_audio['sample_rate']; if ($thisfile_audio['sample_rate'] == 0) { $ThisFileInfo['error'][] = 'Corrupted AIFF file: sample_rate == zero'; return false; } $ThisFileInfo['playtime_seconds'] = $thisfile_riff_audio['total_samples'] / $thisfile_audio['sample_rate']; } if (isset($thisfile_riff[$RIFFsubtype]['COMT'])) { $offset = 0; $CommentCount = getid3_lib::BigEndian2Int(substr($thisfile_riff[$RIFFsubtype]['COMT'][0]['data'], $offset, 2), false); $offset += 2; for ($i = 0; $i < $CommentCount; $i++) { $ThisFileInfo['comments_raw'][$i]['timestamp'] = getid3_lib::BigEndian2Int(substr($thisfile_riff[$RIFFsubtype]['COMT'][0]['data'], $offset, 4), false); $offset += 4; $ThisFileInfo['comments_raw'][$i]['marker_id'] = getid3_lib::BigEndian2Int(substr($thisfile_riff[$RIFFsubtype]['COMT'][0]['data'], $offset, 2), true); $offset += 2; $CommentLength = getid3_lib::BigEndian2Int(substr($thisfile_riff[$RIFFsubtype]['COMT'][0]['data'], $offset, 2), false); $offset += 2; $ThisFileInfo['comments_raw'][$i]['comment'] = substr($thisfile_riff[$RIFFsubtype]['COMT'][0]['data'], $offset, $CommentLength); $offset += $CommentLength; $ThisFileInfo['comments_raw'][$i]['timestamp_unix'] = getid3_lib::DateMac2Unix($ThisFileInfo['comments_raw'][$i]['timestamp']); $thisfile_riff['comments']['comment'][] = $ThisFileInfo['comments_raw'][$i]['comment']; } } $CommentsChunkNames = array('NAME' => 'title', 'author' => 'artist', '(c) ' => 'copyright', 'ANNO' => 'comment'); foreach ($CommentsChunkNames as $key => $value) { if (isset($thisfile_riff[$RIFFsubtype][$key][0]['data'])) { $thisfile_riff['comments'][$value][] = $thisfile_riff[$RIFFsubtype][$key][0]['data']; } } break; case '8SVX': $thisfile_audio['bitrate_mode'] = 'cbr'; $thisfile_audio_dataformat = '8svx'; $thisfile_audio['bits_per_sample'] = 8; $thisfile_audio['channels'] = 1; // overridden below, if need be $ThisFileInfo['mime_type'] = 'audio/x-aiff'; if (isset($thisfile_riff[$RIFFsubtype]['BODY'][0]['offset'])) { $thisfile_avdataoffset = $thisfile_riff[$RIFFsubtype]['BODY'][0]['offset'] + 8; $thisfile_avdataend = $thisfile_avdataoffset + $thisfile_riff[$RIFFsubtype]['BODY'][0]['size']; if ($thisfile_avdataend > $ThisFileInfo['filesize']) { $ThisFileInfo['warning'][] = 'Probable truncated AIFF file: expecting ' . $thisfile_riff[$RIFFsubtype]['BODY'][0]['size'] . ' bytes of audio data, only ' . ($ThisFileInfo['filesize'] - $thisfile_avdataoffset) . ' bytes found'; } } if (isset($thisfile_riff[$RIFFsubtype]['VHDR'][0]['offset'])) { // shortcut $thisfile_riff_RIFFsubtype_VHDR_0 =& $thisfile_riff[$RIFFsubtype]['VHDR'][0]; $thisfile_riff_RIFFsubtype_VHDR_0['oneShotHiSamples'] = getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 0, 4)); $thisfile_riff_RIFFsubtype_VHDR_0['repeatHiSamples'] = getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 4, 4)); $thisfile_riff_RIFFsubtype_VHDR_0['samplesPerHiCycle'] = getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 8, 4)); $thisfile_riff_RIFFsubtype_VHDR_0['samplesPerSec'] = getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 12, 2)); $thisfile_riff_RIFFsubtype_VHDR_0['ctOctave'] = getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 14, 1)); $thisfile_riff_RIFFsubtype_VHDR_0['sCompression'] = getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 15, 1)); $thisfile_riff_RIFFsubtype_VHDR_0['Volume'] = getid3_lib::FixedPoint16_16(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 16, 4)); $thisfile_audio['sample_rate'] = $thisfile_riff_RIFFsubtype_VHDR_0['samplesPerSec']; switch ($thisfile_riff_RIFFsubtype_VHDR_0['sCompression']) { case 0: $thisfile_audio['codec'] = 'Pulse Code Modulation (PCM)'; $thisfile_audio['lossless'] = true; $ActualBitsPerSample = 8; break; case 1: $thisfile_audio['codec'] = 'Fibonacci-delta encoding'; $thisfile_audio['lossless'] = false; $ActualBitsPerSample = 4; break; default: $ThisFileInfo['warning'][] = 'Unexpected sCompression value in 8SVX.VHDR chunk - expecting 0 or 1, found "' . sCompression . '"'; break; } } if (isset($thisfile_riff[$RIFFsubtype]['CHAN'][0]['data'])) { $ChannelsIndex = getid3_lib::BigEndian2Int(substr($thisfile_riff[$RIFFsubtype]['CHAN'][0]['data'], 0, 4)); switch ($ChannelsIndex) { case 6: // Stereo $thisfile_audio['channels'] = 2; break; case 2: // Left channel only // Left channel only case 4: // Right channel only $thisfile_audio['channels'] = 1; break; default: $ThisFileInfo['warning'][] = 'Unexpected value in 8SVX.CHAN chunk - expecting 2 or 4 or 6, found "' . $ChannelsIndex . '"'; break; } } $CommentsChunkNames = array('NAME' => 'title', 'author' => 'artist', '(c) ' => 'copyright', 'ANNO' => 'comment'); foreach ($CommentsChunkNames as $key => $value) { if (isset($thisfile_riff[$RIFFsubtype][$key][0]['data'])) { $thisfile_riff['comments'][$value][] = $thisfile_riff[$RIFFsubtype][$key][0]['data']; } } $thisfile_audio['bitrate'] = $thisfile_audio['sample_rate'] * $ActualBitsPerSample * $thisfile_audio['channels']; if (!empty($thisfile_audio['bitrate'])) { $ThisFileInfo['playtime_seconds'] = ($thisfile_avdataend - $thisfile_avdataoffset) / ($thisfile_audio['bitrate'] / 8); } break; case 'CDXA': $ThisFileInfo['mime_type'] = 'video/mpeg'; if (!empty($thisfile_riff['CDXA']['data'][0]['size'])) { $GETID3_ERRORARRAY =& $ThisFileInfo['warning']; if (getid3_lib::IncludeDependency(GETID3_INCLUDEPATH . 'module.audio-video.mpeg.php', __FILE__, false)) { $dummy = $ThisFileInfo; $dummy['error'] = array(); $mpeg_scanner = new getid3_mpeg($fd, $dummy); if (empty($dummy['error'])) { $ThisFileInfo['audio'] = $dummy['audio']; $ThisFileInfo['video'] = $dummy['video']; $ThisFileInfo['mpeg'] = $dummy['mpeg']; $ThisFileInfo['warning'] = $dummy['warning']; } } } break; default: $ThisFileInfo['error'][] = 'Unknown RIFF type: expecting one of (WAVE|RMP3|AVI |CDDA|AIFF|AIFC|8SVX|CDXA), found "' . $RIFFsubtype . '" instead'; unset($ThisFileInfo['fileformat']); break; } if (isset($thisfile_riff_WAVE['DISP']) && is_array($thisfile_riff_WAVE['DISP'])) { $thisfile_riff['comments']['title'][] = trim(substr($thisfile_riff_WAVE['DISP'][count($thisfile_riff_WAVE['DISP']) - 1]['data'], 4)); } if (isset($thisfile_riff_WAVE['INFO']) && is_array($thisfile_riff_WAVE['INFO'])) { $this->RIFFcommentsParse($thisfile_riff_WAVE['INFO'], $thisfile_riff['comments']); } if (empty($thisfile_audio['encoder']) && !empty($ThisFileInfo['mpeg']['audio']['LAME']['short_version'])) { $thisfile_audio['encoder'] = $ThisFileInfo['mpeg']['audio']['LAME']['short_version']; } if (!isset($ThisFileInfo['playtime_seconds'])) { $ThisFileInfo['playtime_seconds'] = 0; } if (isset($thisfile_riff_raw['avih']['dwTotalFrames']) && isset($thisfile_riff_raw['avih']['dwMicroSecPerFrame'])) { $ThisFileInfo['playtime_seconds'] = $thisfile_riff_raw['avih']['dwTotalFrames'] * ($thisfile_riff_raw['avih']['dwMicroSecPerFrame'] / 1000000); } if ($ThisFileInfo['playtime_seconds'] > 0) { if (isset($thisfile_riff_audio) && isset($thisfile_riff_video)) { if (!isset($ThisFileInfo['bitrate'])) { $ThisFileInfo['bitrate'] = ($thisfile_avdataend - $thisfile_avdataoffset) / $ThisFileInfo['playtime_seconds'] * 8; } } elseif (isset($thisfile_riff_audio) && !isset($thisfile_riff_video)) { if (!isset($thisfile_audio['bitrate'])) { $thisfile_audio['bitrate'] = ($thisfile_avdataend - $thisfile_avdataoffset) / $ThisFileInfo['playtime_seconds'] * 8; } } elseif (!isset($thisfile_riff_audio) && isset($thisfile_riff_video)) { if (!isset($thisfile_video['bitrate'])) { $thisfile_video['bitrate'] = ($thisfile_avdataend - $thisfile_avdataoffset) / $ThisFileInfo['playtime_seconds'] * 8; } } } if (isset($thisfile_riff_video) && isset($thisfile_audio['bitrate']) && $thisfile_audio['bitrate'] > 0 && $ThisFileInfo['playtime_seconds'] > 0) { $ThisFileInfo['bitrate'] = ($thisfile_avdataend - $thisfile_avdataoffset) / $ThisFileInfo['playtime_seconds'] * 8; $thisfile_audio['bitrate'] = 0; $thisfile_video['bitrate'] = $ThisFileInfo['bitrate']; foreach ($thisfile_riff_audio as $channelnumber => $audioinfoarray) { $thisfile_video['bitrate'] -= $audioinfoarray['bitrate']; $thisfile_audio['bitrate'] += $audioinfoarray['bitrate']; } if ($thisfile_video['bitrate'] <= 0) { unset($thisfile_video['bitrate']); } if ($thisfile_audio['bitrate'] <= 0) { unset($thisfile_audio['bitrate']); } } if (isset($ThisFileInfo['mpeg']['audio'])) { $thisfile_audio_dataformat = 'mp' . $ThisFileInfo['mpeg']['audio']['layer']; $thisfile_audio['sample_rate'] = $ThisFileInfo['mpeg']['audio']['sample_rate']; $thisfile_audio['channels'] = $ThisFileInfo['mpeg']['audio']['channels']; $thisfile_audio['bitrate'] = $ThisFileInfo['mpeg']['audio']['bitrate']; $thisfile_audio['bitrate_mode'] = strtolower($ThisFileInfo['mpeg']['audio']['bitrate_mode']); if (!empty($ThisFileInfo['mpeg']['audio']['codec'])) { $thisfile_audio['codec'] = $ThisFileInfo['mpeg']['audio']['codec'] . ' ' . $thisfile_audio['codec']; } if (!empty($thisfile_audio['streams'])) { foreach ($thisfile_audio['streams'] as $streamnumber => $streamdata) { if ($streamdata['dataformat'] == $thisfile_audio_dataformat) { $thisfile_audio['streams'][$streamnumber]['sample_rate'] = $thisfile_audio['sample_rate']; $thisfile_audio['streams'][$streamnumber]['channels'] = $thisfile_audio['channels']; $thisfile_audio['streams'][$streamnumber]['bitrate'] = $thisfile_audio['bitrate']; $thisfile_audio['streams'][$streamnumber]['bitrate_mode'] = $thisfile_audio['bitrate_mode']; $thisfile_audio['streams'][$streamnumber]['codec'] = $thisfile_audio['codec']; } } } $thisfile_audio['encoder_options'] = getid3_mp3::GuessEncoderOptions($ThisFileInfo); } if (!empty($thisfile_riff_raw['fmt ']['wBitsPerSample']) && $thisfile_riff_raw['fmt ']['wBitsPerSample'] > 0) { switch ($thisfile_audio_dataformat) { case 'ac3': // ignore bits_per_sample break; default: $thisfile_audio['bits_per_sample'] = $thisfile_riff_raw['fmt ']['wBitsPerSample']; break; } } if (empty($thisfile_riff_raw)) { unset($thisfile_riff['raw']); } if (empty($thisfile_riff_audio)) { unset($thisfile_riff['audio']); } if (empty($thisfile_riff_video)) { unset($thisfile_riff['video']); } return true; }
public function Analyze() { $info =& $this->getid3->info; // initialize these values to an empty array, otherwise they default to NULL // and you can't append array values to a NULL value $info['riff'] = array('raw' => array()); // Shortcuts $thisfile_riff =& $info['riff']; $thisfile_riff_raw =& $thisfile_riff['raw']; $thisfile_audio =& $info['audio']; $thisfile_video =& $info['video']; $thisfile_audio_dataformat =& $thisfile_audio['dataformat']; $thisfile_riff_audio =& $thisfile_riff['audio']; $thisfile_riff_video =& $thisfile_riff['video']; $Original['avdataoffset'] = $info['avdataoffset']; $Original['avdataend'] = $info['avdataend']; $this->fseek($info['avdataoffset']); $RIFFheader = $this->fread(12); $offset = $this->ftell(); $RIFFtype = substr($RIFFheader, 0, 4); $RIFFsize = substr($RIFFheader, 4, 4); $RIFFsubtype = substr($RIFFheader, 8, 4); switch ($RIFFtype) { case 'FORM': // AIFF, AIFC //$info['fileformat'] = 'aiff'; $this->container = 'aiff'; $thisfile_riff['header_size'] = $this->EitherEndian2Int($RIFFsize); $thisfile_riff[$RIFFsubtype] = $this->ParseRIFF($offset, $offset + $thisfile_riff['header_size'] - 4); break; case 'RIFF': // AVI, WAV, etc // AVI, WAV, etc case 'SDSS': // SDSS is identical to RIFF, just renamed. Used by SmartSound QuickTracks (www.smartsound.com) // SDSS is identical to RIFF, just renamed. Used by SmartSound QuickTracks (www.smartsound.com) case 'RMP3': // RMP3 is identical to RIFF, just renamed. Used by [unknown program] when creating RIFF-MP3s //$info['fileformat'] = 'riff'; $this->container = 'riff'; $thisfile_riff['header_size'] = $this->EitherEndian2Int($RIFFsize); if ($RIFFsubtype == 'RMP3') { // RMP3 is identical to WAVE, just renamed. Used by [unknown program] when creating RIFF-MP3s $RIFFsubtype = 'WAVE'; } if ($RIFFsubtype != 'AMV ') { // AMV files are RIFF-AVI files with parts of the spec deliberately broken, such as chunk size fields hardcoded to zero (because players known in hardware that these fields are always a certain size // Handled separately in ParseRIFFAMV() $thisfile_riff[$RIFFsubtype] = $this->ParseRIFF($offset, $offset + $thisfile_riff['header_size'] - 4); } if ($info['avdataend'] - $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 $info['avdataend'] = $info['filesize']; } $nextRIFFoffset = $Original['avdataoffset'] + 8 + $thisfile_riff['header_size']; // 8 = "RIFF" + 32-bit offset while ($nextRIFFoffset < min($info['filesize'], $info['avdataend'])) { try { $this->fseek($nextRIFFoffset); } catch (getid3_exception $e) { if ($e->getCode() == 10) { //$this->warning('RIFF parser: '.$e->getMessage()); $this->error('AVI extends beyond ' . round(PHP_INT_MAX / 1073741824) . 'GB and PHP filesystem functions cannot read that far, playtime may be wrong'); $this->warning('[avdataend] value may be incorrect, multiple AVIX chunks may be present'); break; } else { throw $e; } } $nextRIFFheader = $this->fread(12); if ($nextRIFFoffset == $info['avdataend'] - 1) { if (substr($nextRIFFheader, 0, 1) == "") { // RIFF padded to WORD boundary, we're actually already at the end break; } } $nextRIFFheaderID = substr($nextRIFFheader, 0, 4); $nextRIFFsize = $this->EitherEndian2Int(substr($nextRIFFheader, 4, 4)); $nextRIFFtype = substr($nextRIFFheader, 8, 4); $chunkdata = array(); $chunkdata['offset'] = $nextRIFFoffset + 8; $chunkdata['size'] = $nextRIFFsize; $nextRIFFoffset = $chunkdata['offset'] + $chunkdata['size']; switch ($nextRIFFheaderID) { case 'RIFF': $chunkdata['chunks'] = $this->ParseRIFF($chunkdata['offset'] + 4, $nextRIFFoffset); if (!isset($thisfile_riff[$nextRIFFtype])) { $thisfile_riff[$nextRIFFtype] = array(); } $thisfile_riff[$nextRIFFtype][] = $chunkdata; break; case 'AMV ': unset($info['riff']); $info['amv'] = $this->ParseRIFFAMV($chunkdata['offset'] + 4, $nextRIFFoffset); break; case 'JUNK': // ignore $thisfile_riff[$nextRIFFheaderID][] = $chunkdata; break; case 'IDVX': $info['divxtag']['comments'] = self::ParseDIVXTAG($this->fread($chunkdata['size'])); break; default: if ($info['filesize'] == $chunkdata['offset'] - 8 + 128) { $DIVXTAG = $nextRIFFheader . $this->fread(128 - 12); if (substr($DIVXTAG, -7) == 'DIVXTAG') { // DIVXTAG is supposed to be inside an IDVX chunk in a LIST chunk, but some bad encoders just slap it on the end of a file $this->warning('Found wrongly-structured DIVXTAG at offset ' . ($this->ftell() - 128) . ', parsing anyway'); $info['divxtag']['comments'] = self::ParseDIVXTAG($DIVXTAG); break 2; } } $this->warning('Expecting "RIFF|JUNK|IDVX" at ' . $nextRIFFoffset . ', found "' . $nextRIFFheaderID . '" (' . getid3_lib::PrintHexBytes($nextRIFFheaderID) . ') - skipping rest of file'); break 2; } } if ($RIFFsubtype == 'WAVE') { $thisfile_riff_WAVE =& $thisfile_riff['WAVE']; } break; default: $this->error('Cannot parse RIFF (this is maybe not a RIFF / WAV / AVI file?) - expecting "FORM|RIFF|SDSS|RMP3" found "' . $RIFFsubtype . '" instead'); //unset($info['fileformat']); return false; } $streamindex = 0; switch ($RIFFsubtype) { // http://en.wikipedia.org/wiki/Wav case 'WAVE': $info['fileformat'] = 'wav'; if (empty($thisfile_audio['bitrate_mode'])) { $thisfile_audio['bitrate_mode'] = 'cbr'; } if (empty($thisfile_audio_dataformat)) { $thisfile_audio_dataformat = 'wav'; } if (isset($thisfile_riff_WAVE['data'][0]['offset'])) { $info['avdataoffset'] = $thisfile_riff_WAVE['data'][0]['offset'] + 8; $info['avdataend'] = $info['avdataoffset'] + $thisfile_riff_WAVE['data'][0]['size']; } if (isset($thisfile_riff_WAVE['fmt '][0]['data'])) { $thisfile_riff_audio[$streamindex] = self::parseWAVEFORMATex($thisfile_riff_WAVE['fmt '][0]['data']); $thisfile_audio['wformattag'] = $thisfile_riff_audio[$streamindex]['raw']['wFormatTag']; if (!isset($thisfile_riff_audio[$streamindex]['bitrate']) || $thisfile_riff_audio[$streamindex]['bitrate'] == 0) { $info['error'][] = 'Corrupt RIFF file: bitrate_audio == zero'; return false; } $thisfile_riff_raw['fmt '] = $thisfile_riff_audio[$streamindex]['raw']; unset($thisfile_riff_audio[$streamindex]['raw']); $thisfile_audio['streams'][$streamindex] = $thisfile_riff_audio[$streamindex]; $thisfile_audio = getid3_lib::array_merge_noclobber($thisfile_audio, $thisfile_riff_audio[$streamindex]); if (substr($thisfile_audio['codec'], 0, strlen('unknown: 0x')) == 'unknown: 0x') { $info['warning'][] = 'Audio codec = ' . $thisfile_audio['codec']; } $thisfile_audio['bitrate'] = $thisfile_riff_audio[$streamindex]['bitrate']; if (empty($info['playtime_seconds'])) { // may already be set (e.g. DTS-WAV) $info['playtime_seconds'] = (double) (($info['avdataend'] - $info['avdataoffset']) * 8 / $thisfile_audio['bitrate']); } $thisfile_audio['lossless'] = false; if (isset($thisfile_riff_WAVE['data'][0]['offset']) && isset($thisfile_riff_raw['fmt ']['wFormatTag'])) { switch ($thisfile_riff_raw['fmt ']['wFormatTag']) { case 0x1: // PCM $thisfile_audio['lossless'] = true; break; case 0x2000: // AC-3 $thisfile_audio_dataformat = 'ac3'; break; default: // do nothing break; } } $thisfile_audio['streams'][$streamindex]['wformattag'] = $thisfile_audio['wformattag']; $thisfile_audio['streams'][$streamindex]['bitrate_mode'] = $thisfile_audio['bitrate_mode']; $thisfile_audio['streams'][$streamindex]['lossless'] = $thisfile_audio['lossless']; $thisfile_audio['streams'][$streamindex]['dataformat'] = $thisfile_audio_dataformat; } if (isset($thisfile_riff_WAVE['rgad'][0]['data'])) { // shortcuts $rgadData =& $thisfile_riff_WAVE['rgad'][0]['data']; $thisfile_riff_raw['rgad'] = array('track' => array(), 'album' => array()); $thisfile_riff_raw_rgad =& $thisfile_riff_raw['rgad']; $thisfile_riff_raw_rgad_track =& $thisfile_riff_raw_rgad['track']; $thisfile_riff_raw_rgad_album =& $thisfile_riff_raw_rgad['album']; $thisfile_riff_raw_rgad['fPeakAmplitude'] = getid3_lib::LittleEndian2Float(substr($rgadData, 0, 4)); $thisfile_riff_raw_rgad['nRadioRgAdjust'] = $this->EitherEndian2Int(substr($rgadData, 4, 2)); $thisfile_riff_raw_rgad['nAudiophileRgAdjust'] = $this->EitherEndian2Int(substr($rgadData, 6, 2)); $nRadioRgAdjustBitstring = str_pad(getid3_lib::Dec2Bin($thisfile_riff_raw_rgad['nRadioRgAdjust']), 16, '0', STR_PAD_LEFT); $nAudiophileRgAdjustBitstring = str_pad(getid3_lib::Dec2Bin($thisfile_riff_raw_rgad['nAudiophileRgAdjust']), 16, '0', STR_PAD_LEFT); $thisfile_riff_raw_rgad_track['name'] = getid3_lib::Bin2Dec(substr($nRadioRgAdjustBitstring, 0, 3)); $thisfile_riff_raw_rgad_track['originator'] = getid3_lib::Bin2Dec(substr($nRadioRgAdjustBitstring, 3, 3)); $thisfile_riff_raw_rgad_track['signbit'] = getid3_lib::Bin2Dec(substr($nRadioRgAdjustBitstring, 6, 1)); $thisfile_riff_raw_rgad_track['adjustment'] = getid3_lib::Bin2Dec(substr($nRadioRgAdjustBitstring, 7, 9)); $thisfile_riff_raw_rgad_album['name'] = getid3_lib::Bin2Dec(substr($nAudiophileRgAdjustBitstring, 0, 3)); $thisfile_riff_raw_rgad_album['originator'] = getid3_lib::Bin2Dec(substr($nAudiophileRgAdjustBitstring, 3, 3)); $thisfile_riff_raw_rgad_album['signbit'] = getid3_lib::Bin2Dec(substr($nAudiophileRgAdjustBitstring, 6, 1)); $thisfile_riff_raw_rgad_album['adjustment'] = getid3_lib::Bin2Dec(substr($nAudiophileRgAdjustBitstring, 7, 9)); $thisfile_riff['rgad']['peakamplitude'] = $thisfile_riff_raw_rgad['fPeakAmplitude']; if ($thisfile_riff_raw_rgad_track['name'] != 0 && $thisfile_riff_raw_rgad_track['originator'] != 0) { $thisfile_riff['rgad']['track']['name'] = getid3_lib::RGADnameLookup($thisfile_riff_raw_rgad_track['name']); $thisfile_riff['rgad']['track']['originator'] = getid3_lib::RGADoriginatorLookup($thisfile_riff_raw_rgad_track['originator']); $thisfile_riff['rgad']['track']['adjustment'] = getid3_lib::RGADadjustmentLookup($thisfile_riff_raw_rgad_track['adjustment'], $thisfile_riff_raw_rgad_track['signbit']); } if ($thisfile_riff_raw_rgad_album['name'] != 0 && $thisfile_riff_raw_rgad_album['originator'] != 0) { $thisfile_riff['rgad']['album']['name'] = getid3_lib::RGADnameLookup($thisfile_riff_raw_rgad_album['name']); $thisfile_riff['rgad']['album']['originator'] = getid3_lib::RGADoriginatorLookup($thisfile_riff_raw_rgad_album['originator']); $thisfile_riff['rgad']['album']['adjustment'] = getid3_lib::RGADadjustmentLookup($thisfile_riff_raw_rgad_album['adjustment'], $thisfile_riff_raw_rgad_album['signbit']); } } if (isset($thisfile_riff_WAVE['fact'][0]['data'])) { $thisfile_riff_raw['fact']['NumberOfSamples'] = $this->EitherEndian2Int(substr($thisfile_riff_WAVE['fact'][0]['data'], 0, 4)); // 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($thisfile_riff_raw['fmt ']['nSamplesPerSec'])) { // $info['playtime_seconds'] = (float) $thisfile_riff_raw['fact']['NumberOfSamples'] / $thisfile_riff_raw['fmt ']['nSamplesPerSec']; // } } if (!empty($thisfile_riff_raw['fmt ']['nAvgBytesPerSec'])) { $thisfile_audio['bitrate'] = getid3_lib::CastAsInt($thisfile_riff_raw['fmt ']['nAvgBytesPerSec'] * 8); } if (isset($thisfile_riff_WAVE['bext'][0]['data'])) { // shortcut $thisfile_riff_WAVE_bext_0 =& $thisfile_riff_WAVE['bext'][0]; $thisfile_riff_WAVE_bext_0['title'] = trim(substr($thisfile_riff_WAVE_bext_0['data'], 0, 256)); $thisfile_riff_WAVE_bext_0['author'] = trim(substr($thisfile_riff_WAVE_bext_0['data'], 256, 32)); $thisfile_riff_WAVE_bext_0['reference'] = trim(substr($thisfile_riff_WAVE_bext_0['data'], 288, 32)); $thisfile_riff_WAVE_bext_0['origin_date'] = substr($thisfile_riff_WAVE_bext_0['data'], 320, 10); $thisfile_riff_WAVE_bext_0['origin_time'] = substr($thisfile_riff_WAVE_bext_0['data'], 330, 8); $thisfile_riff_WAVE_bext_0['time_reference'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_bext_0['data'], 338, 8)); $thisfile_riff_WAVE_bext_0['bwf_version'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_bext_0['data'], 346, 1)); $thisfile_riff_WAVE_bext_0['reserved'] = substr($thisfile_riff_WAVE_bext_0['data'], 347, 254); $thisfile_riff_WAVE_bext_0['coding_history'] = explode("\r\n", trim(substr($thisfile_riff_WAVE_bext_0['data'], 601))); if (preg_match('#^([0-9]{4}).([0-9]{2}).([0-9]{2})$#', $thisfile_riff_WAVE_bext_0['origin_date'], $matches_bext_date)) { if (preg_match('#^([0-9]{2}).([0-9]{2}).([0-9]{2})$#', $thisfile_riff_WAVE_bext_0['origin_time'], $matches_bext_time)) { list($dummy, $bext_timestamp['year'], $bext_timestamp['month'], $bext_timestamp['day']) = $matches_bext_date; list($dummy, $bext_timestamp['hour'], $bext_timestamp['minute'], $bext_timestamp['second']) = $matches_bext_time; $thisfile_riff_WAVE_bext_0['origin_date_unix'] = gmmktime($bext_timestamp['hour'], $bext_timestamp['minute'], $bext_timestamp['second'], $bext_timestamp['month'], $bext_timestamp['day'], $bext_timestamp['year']); } else { $info['warning'][] = 'RIFF.WAVE.BEXT.origin_time is invalid'; } } else { $info['warning'][] = 'RIFF.WAVE.BEXT.origin_date is invalid'; } $thisfile_riff['comments']['author'][] = $thisfile_riff_WAVE_bext_0['author']; $thisfile_riff['comments']['title'][] = $thisfile_riff_WAVE_bext_0['title']; } if (isset($thisfile_riff_WAVE['MEXT'][0]['data'])) { // shortcut $thisfile_riff_WAVE_MEXT_0 =& $thisfile_riff_WAVE['MEXT'][0]; $thisfile_riff_WAVE_MEXT_0['raw']['sound_information'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_MEXT_0['data'], 0, 2)); $thisfile_riff_WAVE_MEXT_0['flags']['homogenous'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['sound_information'] & 0x1); if ($thisfile_riff_WAVE_MEXT_0['flags']['homogenous']) { $thisfile_riff_WAVE_MEXT_0['flags']['padding'] = $thisfile_riff_WAVE_MEXT_0['raw']['sound_information'] & 0x2 ? false : true; $thisfile_riff_WAVE_MEXT_0['flags']['22_or_44'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['sound_information'] & 0x4); $thisfile_riff_WAVE_MEXT_0['flags']['free_format'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['sound_information'] & 0x8); $thisfile_riff_WAVE_MEXT_0['nominal_frame_size'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_MEXT_0['data'], 2, 2)); } $thisfile_riff_WAVE_MEXT_0['anciliary_data_length'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_MEXT_0['data'], 6, 2)); $thisfile_riff_WAVE_MEXT_0['raw']['anciliary_data_def'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_MEXT_0['data'], 8, 2)); $thisfile_riff_WAVE_MEXT_0['flags']['anciliary_data_left'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['anciliary_data_def'] & 0x1); $thisfile_riff_WAVE_MEXT_0['flags']['anciliary_data_free'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['anciliary_data_def'] & 0x2); $thisfile_riff_WAVE_MEXT_0['flags']['anciliary_data_right'] = (bool) ($thisfile_riff_WAVE_MEXT_0['raw']['anciliary_data_def'] & 0x4); } if (isset($thisfile_riff_WAVE['cart'][0]['data'])) { // shortcut $thisfile_riff_WAVE_cart_0 =& $thisfile_riff_WAVE['cart'][0]; $thisfile_riff_WAVE_cart_0['version'] = substr($thisfile_riff_WAVE_cart_0['data'], 0, 4); $thisfile_riff_WAVE_cart_0['title'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 4, 64)); $thisfile_riff_WAVE_cart_0['artist'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 68, 64)); $thisfile_riff_WAVE_cart_0['cut_id'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 132, 64)); $thisfile_riff_WAVE_cart_0['client_id'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 196, 64)); $thisfile_riff_WAVE_cart_0['category'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 260, 64)); $thisfile_riff_WAVE_cart_0['classification'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 324, 64)); $thisfile_riff_WAVE_cart_0['out_cue'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 388, 64)); $thisfile_riff_WAVE_cart_0['start_date'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 452, 10)); $thisfile_riff_WAVE_cart_0['start_time'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 462, 8)); $thisfile_riff_WAVE_cart_0['end_date'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 470, 10)); $thisfile_riff_WAVE_cart_0['end_time'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 480, 8)); $thisfile_riff_WAVE_cart_0['producer_app_id'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 488, 64)); $thisfile_riff_WAVE_cart_0['producer_app_version'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 552, 64)); $thisfile_riff_WAVE_cart_0['user_defined_text'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 616, 64)); $thisfile_riff_WAVE_cart_0['zero_db_reference'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_cart_0['data'], 680, 4), true); for ($i = 0; $i < 8; $i++) { $thisfile_riff_WAVE_cart_0['post_time'][$i]['usage_fourcc'] = substr($thisfile_riff_WAVE_cart_0['data'], 684 + $i * 8, 4); $thisfile_riff_WAVE_cart_0['post_time'][$i]['timer_value'] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE_cart_0['data'], 684 + $i * 8 + 4, 4)); } $thisfile_riff_WAVE_cart_0['url'] = trim(substr($thisfile_riff_WAVE_cart_0['data'], 748, 1024)); $thisfile_riff_WAVE_cart_0['tag_text'] = explode("\r\n", trim(substr($thisfile_riff_WAVE_cart_0['data'], 1772))); $thisfile_riff['comments']['artist'][] = $thisfile_riff_WAVE_cart_0['artist']; $thisfile_riff['comments']['title'][] = $thisfile_riff_WAVE_cart_0['title']; } if (isset($thisfile_riff_WAVE['SNDM'][0]['data'])) { // SoundMiner metadata // shortcuts $thisfile_riff_WAVE_SNDM_0 =& $thisfile_riff_WAVE['SNDM'][0]; $thisfile_riff_WAVE_SNDM_0_data =& $thisfile_riff_WAVE_SNDM_0['data']; $SNDM_startoffset = 0; $SNDM_endoffset = $thisfile_riff_WAVE_SNDM_0['size']; while ($SNDM_startoffset < $SNDM_endoffset) { $SNDM_thisTagOffset = 0; $SNDM_thisTagSize = getid3_lib::BigEndian2Int(substr($thisfile_riff_WAVE_SNDM_0_data, $SNDM_startoffset + $SNDM_thisTagOffset, 4)); $SNDM_thisTagOffset += 4; $SNDM_thisTagKey = substr($thisfile_riff_WAVE_SNDM_0_data, $SNDM_startoffset + $SNDM_thisTagOffset, 4); $SNDM_thisTagOffset += 4; $SNDM_thisTagDataSize = getid3_lib::BigEndian2Int(substr($thisfile_riff_WAVE_SNDM_0_data, $SNDM_startoffset + $SNDM_thisTagOffset, 2)); $SNDM_thisTagOffset += 2; $SNDM_thisTagDataFlags = getid3_lib::BigEndian2Int(substr($thisfile_riff_WAVE_SNDM_0_data, $SNDM_startoffset + $SNDM_thisTagOffset, 2)); $SNDM_thisTagOffset += 2; $SNDM_thisTagDataText = substr($thisfile_riff_WAVE_SNDM_0_data, $SNDM_startoffset + $SNDM_thisTagOffset, $SNDM_thisTagDataSize); $SNDM_thisTagOffset += $SNDM_thisTagDataSize; if ($SNDM_thisTagSize != 4 + 4 + 2 + 2 + $SNDM_thisTagDataSize) { $info['warning'][] = 'RIFF.WAVE.SNDM.data contains tag not expected length (expected: ' . $SNDM_thisTagSize . ', found: ' . (4 + 4 + 2 + 2 + $SNDM_thisTagDataSize) . ') at offset ' . $SNDM_startoffset . ' (file offset ' . ($thisfile_riff_WAVE_SNDM_0['offset'] + $SNDM_startoffset) . ')'; break; } elseif ($SNDM_thisTagSize <= 0) { $info['warning'][] = 'RIFF.WAVE.SNDM.data contains zero-size tag at offset ' . $SNDM_startoffset . ' (file offset ' . ($thisfile_riff_WAVE_SNDM_0['offset'] + $SNDM_startoffset) . ')'; break; } $SNDM_startoffset += $SNDM_thisTagSize; $thisfile_riff_WAVE_SNDM_0['parsed_raw'][$SNDM_thisTagKey] = $SNDM_thisTagDataText; if ($parsedkey = self::waveSNDMtagLookup($SNDM_thisTagKey)) { $thisfile_riff_WAVE_SNDM_0['parsed'][$parsedkey] = $SNDM_thisTagDataText; } else { $info['warning'][] = 'RIFF.WAVE.SNDM contains unknown tag "' . $SNDM_thisTagKey . '" at offset ' . $SNDM_startoffset . ' (file offset ' . ($thisfile_riff_WAVE_SNDM_0['offset'] + $SNDM_startoffset) . ')'; } } $tagmapping = array('tracktitle' => 'title', 'category' => 'genre', 'cdtitle' => 'album', 'tracktitle' => 'title'); foreach ($tagmapping as $fromkey => $tokey) { if (isset($thisfile_riff_WAVE_SNDM_0['parsed'][$fromkey])) { $thisfile_riff['comments'][$tokey][] = $thisfile_riff_WAVE_SNDM_0['parsed'][$fromkey]; } } } if (isset($thisfile_riff_WAVE['iXML'][0]['data'])) { // requires functions simplexml_load_string and get_object_vars if ($parsedXML = getid3_lib::XML2array($thisfile_riff_WAVE['iXML'][0]['data'])) { $thisfile_riff_WAVE['iXML'][0]['parsed'] = $parsedXML; if (isset($parsedXML['SPEED']['MASTER_SPEED'])) { @(list($numerator, $denominator) = explode('/', $parsedXML['SPEED']['MASTER_SPEED'])); $thisfile_riff_WAVE['iXML'][0]['master_speed'] = $numerator / ($denominator ? $denominator : 1000); } if (isset($parsedXML['SPEED']['TIMECODE_RATE'])) { @(list($numerator, $denominator) = explode('/', $parsedXML['SPEED']['TIMECODE_RATE'])); $thisfile_riff_WAVE['iXML'][0]['timecode_rate'] = $numerator / ($denominator ? $denominator : 1000); } if (isset($parsedXML['SPEED']['TIMESTAMP_SAMPLES_SINCE_MIDNIGHT_LO']) && !empty($parsedXML['SPEED']['TIMESTAMP_SAMPLE_RATE']) && !empty($thisfile_riff_WAVE['iXML'][0]['timecode_rate'])) { $samples_since_midnight = floatval(ltrim($parsedXML['SPEED']['TIMESTAMP_SAMPLES_SINCE_MIDNIGHT_HI'] . $parsedXML['SPEED']['TIMESTAMP_SAMPLES_SINCE_MIDNIGHT_LO'], '0')); $thisfile_riff_WAVE['iXML'][0]['timecode_seconds'] = $samples_since_midnight / $parsedXML['SPEED']['TIMESTAMP_SAMPLE_RATE']; $h = floor($thisfile_riff_WAVE['iXML'][0]['timecode_seconds'] / 3600); $m = floor(($thisfile_riff_WAVE['iXML'][0]['timecode_seconds'] - $h * 3600) / 60); $s = floor($thisfile_riff_WAVE['iXML'][0]['timecode_seconds'] - $h * 3600 - $m * 60); $f = ($thisfile_riff_WAVE['iXML'][0]['timecode_seconds'] - $h * 3600 - $m * 60 - $s) * $thisfile_riff_WAVE['iXML'][0]['timecode_rate']; $thisfile_riff_WAVE['iXML'][0]['timecode_string'] = sprintf('%02d:%02d:%02d:%05.2f', $h, $m, $s, $f); $thisfile_riff_WAVE['iXML'][0]['timecode_string_round'] = sprintf('%02d:%02d:%02d:%02d', $h, $m, $s, round($f)); } unset($parsedXML); } } if (!isset($thisfile_audio['bitrate']) && isset($thisfile_riff_audio[$streamindex]['bitrate'])) { $thisfile_audio['bitrate'] = $thisfile_riff_audio[$streamindex]['bitrate']; $info['playtime_seconds'] = (double) (($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 // 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(); $riff_litewave =& $thisfile_riff['litewave']; $riff_litewave_raw =& $riff_litewave['raw']; $flags = array('compression_method' => 1, 'compression_flags' => 1, 'm_dwScale' => 4, 'm_dwBlockSize' => 4, 'm_wQuality' => 2, 'm_wMarkDistance' => 2, 'm_wReserved' => 2, 'm_dwOrgSize' => 4, 'm_bFactExists' => 2, 'm_dwRiffChunkSize' => 4); $litewave_offset = 18; foreach ($flags as $flag => $length) { $riff_litewave_raw[$flag] = getid3_lib::LittleEndian2Int(substr($thisfile_riff_WAVE['fmt '][0]['data'], $litewave_offset, $length)); $litewave_offset += $length; } //$riff_litewave['quality_factor'] = intval(round((2000 - $riff_litewave_raw['m_dwScale']) / 20)); $riff_litewave['quality_factor'] = $riff_litewave_raw['m_wQuality']; $riff_litewave['flags']['raw_source'] = $riff_litewave_raw['compression_flags'] & 0x1 ? false : true; $riff_litewave['flags']['vbr_blocksize'] = $riff_litewave_raw['compression_flags'] & 0x2 ? false : true; $riff_litewave['flags']['seekpoints'] = (bool) ($riff_litewave_raw['compression_flags'] & 0x4); $thisfile_audio['lossless'] = $riff_litewave_raw['m_wQuality'] == 100 ? true : false; $thisfile_audio['encoder_options'] = '-q' . $riff_litewave['quality_factor']; break; default: break; } } if ($info['avdataend'] > $info['filesize']) { switch (!empty($thisfile_audio_dataformat) ? $thisfile_audio_dataformat : '') { case 'wavpack': // WavPack // WavPack case 'lpac': // LPAC // LPAC case 'ofr': // OptimFROG // OptimFROG case 'ofs': // OptimFROG DualStream // lossless compressed audio formats that keep original RIFF headers - skip warning break; case 'litewave': if ($info['avdataend'] - $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 $info['warning'][] = 'Probably truncated file - expecting ' . $thisfile_riff[$RIFFsubtype]['data'][0]['size'] . ' bytes of data, only found ' . ($info['filesize'] - $info['avdataoffset']) . ' (short by ' . ($thisfile_riff[$RIFFsubtype]['data'][0]['size'] - ($info['filesize'] - $info['avdataoffset'])) . ' bytes)'; $info['avdataend'] = $info['filesize']; } break; default: if ($info['avdataend'] - $info['filesize'] == 1 && $thisfile_riff[$RIFFsubtype]['data'][0]['size'] % 2 == 0 && ($info['filesize'] - $info['avdataoffset']) % 2 == 1) { // output file appears to be incorrectly *not* padded to nearest WORD boundary // Output less severe warning $info['warning'][] = 'File should probably be padded to nearest WORD boundary, but it is not (expecting ' . $thisfile_riff[$RIFFsubtype]['data'][0]['size'] . ' bytes of data, only found ' . ($info['filesize'] - $info['avdataoffset']) . ' therefore short by ' . ($thisfile_riff[$RIFFsubtype]['data'][0]['size'] - ($info['filesize'] - $info['avdataoffset'])) . ' bytes)'; $info['avdataend'] = $info['filesize']; } else { // Short by more than one byte, throw warning $info['warning'][] = 'Probably truncated file - expecting ' . $thisfile_riff[$RIFFsubtype]['data'][0]['size'] . ' bytes of data, only found ' . ($info['filesize'] - $info['avdataoffset']) . ' (short by ' . ($thisfile_riff[$RIFFsubtype]['data'][0]['size'] - ($info['filesize'] - $info['avdataoffset'])) . ' bytes)'; $info['avdataend'] = $info['filesize']; } break; } } if (!empty($info['mpeg']['audio']['LAME']['audio_bytes'])) { if ($info['avdataend'] - $info['avdataoffset'] - $info['mpeg']['audio']['LAME']['audio_bytes'] == 1) { $info['avdataend']--; $info['warning'][] = 'Extra null byte at end of MP3 data assumed to be RIFF padding and therefore ignored'; } } if (isset($thisfile_audio_dataformat) && $thisfile_audio_dataformat == 'ac3') { unset($thisfile_audio['bits_per_sample']); if (!empty($info['ac3']['bitrate']) && $info['ac3']['bitrate'] != $thisfile_audio['bitrate']) { $thisfile_audio['bitrate'] = $info['ac3']['bitrate']; } } break; // http://en.wikipedia.org/wiki/Audio_Video_Interleave // http://en.wikipedia.org/wiki/Audio_Video_Interleave case 'AVI ': $info['fileformat'] = 'avi'; $info['mime_type'] = 'video/avi'; $thisfile_video['bitrate_mode'] = 'vbr'; // maybe not, but probably $thisfile_video['dataformat'] = 'avi'; if (isset($thisfile_riff[$RIFFsubtype]['movi']['offset'])) { $info['avdataoffset'] = $thisfile_riff[$RIFFsubtype]['movi']['offset'] + 8; if (isset($thisfile_riff['AVIX'])) { $info['avdataend'] = $thisfile_riff['AVIX'][count($thisfile_riff['AVIX']) - 1]['chunks']['movi']['offset'] + $thisfile_riff['AVIX'][count($thisfile_riff['AVIX']) - 1]['chunks']['movi']['size']; } else { $info['avdataend'] = $thisfile_riff['AVI ']['movi']['offset'] + $thisfile_riff['AVI ']['movi']['size']; } if ($info['avdataend'] > $info['filesize']) { $info['warning'][] = 'Probably truncated file - expecting ' . ($info['avdataend'] - $info['avdataoffset']) . ' bytes of data, only found ' . ($info['filesize'] - $info['avdataoffset']) . ' (short by ' . ($info['avdataend'] - $info['filesize']) . ' bytes)'; $info['avdataend'] = $info['filesize']; } } if (isset($thisfile_riff['AVI ']['hdrl']['strl']['indx'])) { //$bIndexType = array( // 0x00 => 'AVI_INDEX_OF_INDEXES', // 0x01 => 'AVI_INDEX_OF_CHUNKS', // 0x80 => 'AVI_INDEX_IS_DATA', //); //$bIndexSubtype = array( // 0x01 => array( // 0x01 => 'AVI_INDEX_2FIELD', // ), //); foreach ($thisfile_riff['AVI ']['hdrl']['strl']['indx'] as $streamnumber => $steamdataarray) { $ahsisd =& $thisfile_riff['AVI ']['hdrl']['strl']['indx'][$streamnumber]['data']; $thisfile_riff_raw['indx'][$streamnumber]['wLongsPerEntry'] = $this->EitherEndian2Int(substr($ahsisd, 0, 2)); $thisfile_riff_raw['indx'][$streamnumber]['bIndexSubType'] = $this->EitherEndian2Int(substr($ahsisd, 2, 1)); $thisfile_riff_raw['indx'][$streamnumber]['bIndexType'] = $this->EitherEndian2Int(substr($ahsisd, 3, 1)); $thisfile_riff_raw['indx'][$streamnumber]['nEntriesInUse'] = $this->EitherEndian2Int(substr($ahsisd, 4, 4)); $thisfile_riff_raw['indx'][$streamnumber]['dwChunkId'] = substr($ahsisd, 8, 4); $thisfile_riff_raw['indx'][$streamnumber]['dwReserved'] = $this->EitherEndian2Int(substr($ahsisd, 12, 4)); //$thisfile_riff_raw['indx'][$streamnumber]['bIndexType_name'] = $bIndexType[$thisfile_riff_raw['indx'][$streamnumber]['bIndexType']]; //$thisfile_riff_raw['indx'][$streamnumber]['bIndexSubType_name'] = $bIndexSubtype[$thisfile_riff_raw['indx'][$streamnumber]['bIndexType']][$thisfile_riff_raw['indx'][$streamnumber]['bIndexSubType']]; unset($ahsisd); } } if (isset($thisfile_riff['AVI ']['hdrl']['avih'][$streamindex]['data'])) { $avihData = $thisfile_riff['AVI ']['hdrl']['avih'][$streamindex]['data']; // shortcut $thisfile_riff_raw['avih'] = array(); $thisfile_riff_raw_avih =& $thisfile_riff_raw['avih']; $thisfile_riff_raw_avih['dwMicroSecPerFrame'] = $this->EitherEndian2Int(substr($avihData, 0, 4)); // frame display rate (or 0L) if ($thisfile_riff_raw_avih['dwMicroSecPerFrame'] == 0) { $info['error'][] = 'Corrupt RIFF file: avih.dwMicroSecPerFrame == zero'; return false; } $flags = array('dwMaxBytesPerSec', 'dwPaddingGranularity', 'dwFlags', 'dwTotalFrames', 'dwInitialFrames', 'dwStreams', 'dwSuggestedBufferSize', 'dwWidth', 'dwHeight', 'dwScale', 'dwRate', 'dwStart', 'dwLength'); $avih_offset = 4; foreach ($flags as $flag) { $thisfile_riff_raw_avih[$flag] = $this->EitherEndian2Int(substr($avihData, $avih_offset, 4)); $avih_offset += 4; } $flags = array('hasindex' => 0x10, 'mustuseindex' => 0x20, 'interleaved' => 0x100, 'trustcktype' => 0x800, 'capturedfile' => 0x10000, 'copyrighted' => 0x20010); foreach ($flags as $flag => $value) { $thisfile_riff_raw_avih['flags'][$flag] = (bool) ($thisfile_riff_raw_avih['dwFlags'] & $value); } // shortcut $thisfile_riff_video[$streamindex] = array(); $thisfile_riff_video_current =& $thisfile_riff_video[$streamindex]; if ($thisfile_riff_raw_avih['dwWidth'] > 0) { $thisfile_riff_video_current['frame_width'] = $thisfile_riff_raw_avih['dwWidth']; $thisfile_video['resolution_x'] = $thisfile_riff_video_current['frame_width']; } if ($thisfile_riff_raw_avih['dwHeight'] > 0) { $thisfile_riff_video_current['frame_height'] = $thisfile_riff_raw_avih['dwHeight']; $thisfile_video['resolution_y'] = $thisfile_riff_video_current['frame_height']; } if ($thisfile_riff_raw_avih['dwTotalFrames'] > 0) { $thisfile_riff_video_current['total_frames'] = $thisfile_riff_raw_avih['dwTotalFrames']; $thisfile_video['total_frames'] = $thisfile_riff_video_current['total_frames']; } $thisfile_riff_video_current['frame_rate'] = round(1000000 / $thisfile_riff_raw_avih['dwMicroSecPerFrame'], 3); $thisfile_video['frame_rate'] = $thisfile_riff_video_current['frame_rate']; } if (isset($thisfile_riff['AVI ']['hdrl']['strl']['strh'][0]['data'])) { if (is_array($thisfile_riff['AVI ']['hdrl']['strl']['strh'])) { for ($i = 0; $i < count($thisfile_riff['AVI ']['hdrl']['strl']['strh']); $i++) { if (isset($thisfile_riff['AVI ']['hdrl']['strl']['strh'][$i]['data'])) { $strhData = $thisfile_riff['AVI ']['hdrl']['strl']['strh'][$i]['data']; $strhfccType = substr($strhData, 0, 4); if (isset($thisfile_riff['AVI ']['hdrl']['strl']['strf'][$i]['data'])) { $strfData = $thisfile_riff['AVI ']['hdrl']['strl']['strf'][$i]['data']; // shortcut $thisfile_riff_raw_strf_strhfccType_streamindex =& $thisfile_riff_raw['strf'][$strhfccType][$streamindex]; switch ($strhfccType) { case 'auds': $thisfile_audio['bitrate_mode'] = 'cbr'; $thisfile_audio_dataformat = 'wav'; if (isset($thisfile_riff_audio) && is_array($thisfile_riff_audio)) { $streamindex = count($thisfile_riff_audio); } $thisfile_riff_audio[$streamindex] = self::parseWAVEFORMATex($strfData); $thisfile_audio['wformattag'] = $thisfile_riff_audio[$streamindex]['raw']['wFormatTag']; // shortcut $thisfile_audio['streams'][$streamindex] = $thisfile_riff_audio[$streamindex]; $thisfile_audio_streams_currentstream =& $thisfile_audio['streams'][$streamindex]; if ($thisfile_audio_streams_currentstream['bits_per_sample'] == 0) { unset($thisfile_audio_streams_currentstream['bits_per_sample']); } $thisfile_audio_streams_currentstream['wformattag'] = $thisfile_audio_streams_currentstream['raw']['wFormatTag']; unset($thisfile_audio_streams_currentstream['raw']); // shortcut $thisfile_riff_raw['strf'][$strhfccType][$streamindex] = $thisfile_riff_audio[$streamindex]['raw']; unset($thisfile_riff_audio[$streamindex]['raw']); $thisfile_audio = getid3_lib::array_merge_noclobber($thisfile_audio, $thisfile_riff_audio[$streamindex]); $thisfile_audio['lossless'] = false; switch ($thisfile_riff_raw_strf_strhfccType_streamindex['wFormatTag']) { case 0x1: // PCM $thisfile_audio_dataformat = 'wav'; $thisfile_audio['lossless'] = true; break; case 0x50: // MPEG Layer 2 or Layer 1 $thisfile_audio_dataformat = 'mp2'; // Assume Layer-2 break; case 0x55: // MPEG Layer 3 $thisfile_audio_dataformat = 'mp3'; break; case 0xff: // AAC $thisfile_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 $thisfile_audio_dataformat = 'wma'; break; case 0x2000: // AC-3 $thisfile_audio_dataformat = 'ac3'; break; case 0x2001: // DTS $thisfile_audio_dataformat = 'dts'; break; default: $thisfile_audio_dataformat = 'wav'; break; } $thisfile_audio_streams_currentstream['dataformat'] = $thisfile_audio_dataformat; $thisfile_audio_streams_currentstream['lossless'] = $thisfile_audio['lossless']; $thisfile_audio_streams_currentstream['bitrate_mode'] = $thisfile_audio['bitrate_mode']; break; case 'iavs': case 'vids': // shortcut $thisfile_riff_raw['strh'][$i] = array(); $thisfile_riff_raw_strh_current =& $thisfile_riff_raw['strh'][$i]; $thisfile_riff_raw_strh_current['fccType'] = substr($strhData, 0, 4); // same as $strhfccType; $thisfile_riff_raw_strh_current['fccHandler'] = substr($strhData, 4, 4); $thisfile_riff_raw_strh_current['dwFlags'] = $this->EitherEndian2Int(substr($strhData, 8, 4)); // Contains AVITF_* flags $thisfile_riff_raw_strh_current['wPriority'] = $this->EitherEndian2Int(substr($strhData, 12, 2)); $thisfile_riff_raw_strh_current['wLanguage'] = $this->EitherEndian2Int(substr($strhData, 14, 2)); $thisfile_riff_raw_strh_current['dwInitialFrames'] = $this->EitherEndian2Int(substr($strhData, 16, 4)); $thisfile_riff_raw_strh_current['dwScale'] = $this->EitherEndian2Int(substr($strhData, 20, 4)); $thisfile_riff_raw_strh_current['dwRate'] = $this->EitherEndian2Int(substr($strhData, 24, 4)); $thisfile_riff_raw_strh_current['dwStart'] = $this->EitherEndian2Int(substr($strhData, 28, 4)); $thisfile_riff_raw_strh_current['dwLength'] = $this->EitherEndian2Int(substr($strhData, 32, 4)); $thisfile_riff_raw_strh_current['dwSuggestedBufferSize'] = $this->EitherEndian2Int(substr($strhData, 36, 4)); $thisfile_riff_raw_strh_current['dwQuality'] = $this->EitherEndian2Int(substr($strhData, 40, 4)); $thisfile_riff_raw_strh_current['dwSampleSize'] = $this->EitherEndian2Int(substr($strhData, 44, 4)); $thisfile_riff_raw_strh_current['rcFrame'] = $this->EitherEndian2Int(substr($strhData, 48, 4)); $thisfile_riff_video_current['codec'] = self::fourccLookup($thisfile_riff_raw_strh_current['fccHandler']); $thisfile_video['fourcc'] = $thisfile_riff_raw_strh_current['fccHandler']; if (!$thisfile_riff_video_current['codec'] && isset($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc']) && self::fourccLookup($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc'])) { $thisfile_riff_video_current['codec'] = self::fourccLookup($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc']); $thisfile_video['fourcc'] = $thisfile_riff_raw_strf_strhfccType_streamindex['fourcc']; } $thisfile_video['codec'] = $thisfile_riff_video_current['codec']; $thisfile_video['pixel_aspect_ratio'] = (double) 1; switch ($thisfile_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 $thisfile_video['lossless'] = true; break; default: $thisfile_video['lossless'] = false; break; } switch ($strhfccType) { case 'vids': $thisfile_riff_raw_strf_strhfccType_streamindex = self::ParseBITMAPINFOHEADER(substr($strfData, 0, 40), $this->container == 'riff'); $thisfile_video['bits_per_sample'] = $thisfile_riff_raw_strf_strhfccType_streamindex['biBitCount']; if ($thisfile_riff_video_current['codec'] == 'DV') { $thisfile_riff_video_current['dv_type'] = 2; } break; case 'iavs': $thisfile_riff_video_current['dv_type'] = 1; break; } break; default: $info['warning'][] = 'Unhandled fccType for stream (' . $i . '): "' . $strhfccType . '"'; break; } } } if (isset($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc'])) { $thisfile_video['fourcc'] = $thisfile_riff_raw_strf_strhfccType_streamindex['fourcc']; if (self::fourccLookup($thisfile_video['fourcc'])) { $thisfile_riff_video_current['codec'] = self::fourccLookup($thisfile_video['fourcc']); $thisfile_video['codec'] = $thisfile_riff_video_current['codec']; } switch ($thisfile_riff_raw_strf_strhfccType_streamindex['fourcc']) { case 'HFYU': // Huffman Lossless Codec // Huffman Lossless Codec case 'IRAW': // Intel YUV Uncompressed // Intel YUV Uncompressed case 'YUY2': // Uncompressed YUV 4:2:2 $thisfile_video['lossless'] = true; //$thisfile_video['bits_per_sample'] = 24; break; default: $thisfile_video['lossless'] = false; //$thisfile_video['bits_per_sample'] = 24; break; } } } } } break; case 'AMV ': $info['fileformat'] = 'amv'; $info['mime_type'] = 'video/amv'; $thisfile_video['bitrate_mode'] = 'vbr'; // it's MJPEG, presumably contant-quality encoding, thereby VBR $thisfile_video['dataformat'] = 'mjpeg'; $thisfile_video['codec'] = 'mjpeg'; $thisfile_video['lossless'] = false; $thisfile_video['bits_per_sample'] = 24; $thisfile_audio['dataformat'] = 'adpcm'; $thisfile_audio['lossless'] = false; break; // http://en.wikipedia.org/wiki/CD-DA // http://en.wikipedia.org/wiki/CD-DA case 'CDDA': $info['fileformat'] = 'cda'; unset($info['mime_type']); $thisfile_audio_dataformat = 'cda'; $info['avdataoffset'] = 44; if (isset($thisfile_riff['CDDA']['fmt '][0]['data'])) { // shortcut $thisfile_riff_CDDA_fmt_0 =& $thisfile_riff['CDDA']['fmt '][0]; $thisfile_riff_CDDA_fmt_0['unknown1'] = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'], 0, 2)); $thisfile_riff_CDDA_fmt_0['track_num'] = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'], 2, 2)); $thisfile_riff_CDDA_fmt_0['disc_id'] = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'], 4, 4)); $thisfile_riff_CDDA_fmt_0['start_offset_frame'] = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'], 8, 4)); $thisfile_riff_CDDA_fmt_0['playtime_frames'] = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'], 12, 4)); $thisfile_riff_CDDA_fmt_0['unknown6'] = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'], 16, 4)); $thisfile_riff_CDDA_fmt_0['unknown7'] = $this->EitherEndian2Int(substr($thisfile_riff_CDDA_fmt_0['data'], 20, 4)); $thisfile_riff_CDDA_fmt_0['start_offset_seconds'] = (double) $thisfile_riff_CDDA_fmt_0['start_offset_frame'] / 75; $thisfile_riff_CDDA_fmt_0['playtime_seconds'] = (double) $thisfile_riff_CDDA_fmt_0['playtime_frames'] / 75; $info['comments']['track'] = $thisfile_riff_CDDA_fmt_0['track_num']; $info['playtime_seconds'] = $thisfile_riff_CDDA_fmt_0['playtime_seconds']; // hardcoded data for CD-audio $thisfile_audio['lossless'] = true; $thisfile_audio['sample_rate'] = 44100; $thisfile_audio['channels'] = 2; $thisfile_audio['bits_per_sample'] = 16; $thisfile_audio['bitrate'] = $thisfile_audio['sample_rate'] * $thisfile_audio['channels'] * $thisfile_audio['bits_per_sample']; $thisfile_audio['bitrate_mode'] = 'cbr'; } break; // http://en.wikipedia.org/wiki/AIFF // http://en.wikipedia.org/wiki/AIFF case 'AIFF': case 'AIFC': $info['fileformat'] = 'aiff'; $info['mime_type'] = 'audio/x-aiff'; $thisfile_audio['bitrate_mode'] = 'cbr'; $thisfile_audio_dataformat = 'aiff'; $thisfile_audio['lossless'] = true; if (isset($thisfile_riff[$RIFFsubtype]['SSND'][0]['offset'])) { $info['avdataoffset'] = $thisfile_riff[$RIFFsubtype]['SSND'][0]['offset'] + 8; $info['avdataend'] = $info['avdataoffset'] + $thisfile_riff[$RIFFsubtype]['SSND'][0]['size']; if ($info['avdataend'] > $info['filesize']) { if ($info['avdataend'] == $info['filesize'] + 1 && $info['filesize'] % 2 == 1) { // structures rounded to 2-byte boundary, but dumb encoders // forget to pad end of file to make this actually work } else { $info['warning'][] = 'Probable truncated AIFF file: expecting ' . $thisfile_riff[$RIFFsubtype]['SSND'][0]['size'] . ' bytes of audio data, only ' . ($info['filesize'] - $info['avdataoffset']) . ' bytes found'; } $info['avdataend'] = $info['filesize']; } } if (isset($thisfile_riff[$RIFFsubtype]['COMM'][0]['data'])) { // shortcut $thisfile_riff_RIFFsubtype_COMM_0_data =& $thisfile_riff[$RIFFsubtype]['COMM'][0]['data']; $thisfile_riff_audio['channels'] = getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_COMM_0_data, 0, 2), true); $thisfile_riff_audio['total_samples'] = getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_COMM_0_data, 2, 4), false); $thisfile_riff_audio['bits_per_sample'] = getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_COMM_0_data, 6, 2), true); $thisfile_riff_audio['sample_rate'] = (int) getid3_lib::BigEndian2Float(substr($thisfile_riff_RIFFsubtype_COMM_0_data, 8, 10)); if ($thisfile_riff[$RIFFsubtype]['COMM'][0]['size'] > 18) { $thisfile_riff_audio['codec_fourcc'] = substr($thisfile_riff_RIFFsubtype_COMM_0_data, 18, 4); $CodecNameSize = getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_COMM_0_data, 22, 1), false); $thisfile_riff_audio['codec_name'] = substr($thisfile_riff_RIFFsubtype_COMM_0_data, 23, $CodecNameSize); switch ($thisfile_riff_audio['codec_name']) { case 'NONE': $thisfile_audio['codec'] = 'Pulse Code Modulation (PCM)'; $thisfile_audio['lossless'] = true; break; case '': switch ($thisfile_riff_audio['codec_fourcc']) { // http://developer.apple.com/qa/snd/snd07.html case 'sowt': $thisfile_riff_audio['codec_name'] = 'Two\'s Compliment Little-Endian PCM'; $thisfile_audio['lossless'] = true; break; case 'twos': $thisfile_riff_audio['codec_name'] = 'Two\'s Compliment Big-Endian PCM'; $thisfile_audio['lossless'] = true; break; default: break; } break; default: $thisfile_audio['codec'] = $thisfile_riff_audio['codec_name']; $thisfile_audio['lossless'] = false; break; } } $thisfile_audio['channels'] = $thisfile_riff_audio['channels']; if ($thisfile_riff_audio['bits_per_sample'] > 0) { $thisfile_audio['bits_per_sample'] = $thisfile_riff_audio['bits_per_sample']; } $thisfile_audio['sample_rate'] = $thisfile_riff_audio['sample_rate']; if ($thisfile_audio['sample_rate'] == 0) { $info['error'][] = 'Corrupted AIFF file: sample_rate == zero'; return false; } $info['playtime_seconds'] = $thisfile_riff_audio['total_samples'] / $thisfile_audio['sample_rate']; } if (isset($thisfile_riff[$RIFFsubtype]['COMT'])) { $offset = 0; $CommentCount = getid3_lib::BigEndian2Int(substr($thisfile_riff[$RIFFsubtype]['COMT'][0]['data'], $offset, 2), false); $offset += 2; for ($i = 0; $i < $CommentCount; $i++) { $info['comments_raw'][$i]['timestamp'] = getid3_lib::BigEndian2Int(substr($thisfile_riff[$RIFFsubtype]['COMT'][0]['data'], $offset, 4), false); $offset += 4; $info['comments_raw'][$i]['marker_id'] = getid3_lib::BigEndian2Int(substr($thisfile_riff[$RIFFsubtype]['COMT'][0]['data'], $offset, 2), true); $offset += 2; $CommentLength = getid3_lib::BigEndian2Int(substr($thisfile_riff[$RIFFsubtype]['COMT'][0]['data'], $offset, 2), false); $offset += 2; $info['comments_raw'][$i]['comment'] = substr($thisfile_riff[$RIFFsubtype]['COMT'][0]['data'], $offset, $CommentLength); $offset += $CommentLength; $info['comments_raw'][$i]['timestamp_unix'] = getid3_lib::DateMac2Unix($info['comments_raw'][$i]['timestamp']); $thisfile_riff['comments']['comment'][] = $info['comments_raw'][$i]['comment']; } } $CommentsChunkNames = array('NAME' => 'title', 'author' => 'artist', '(c) ' => 'copyright', 'ANNO' => 'comment'); foreach ($CommentsChunkNames as $key => $value) { if (isset($thisfile_riff[$RIFFsubtype][$key][0]['data'])) { $thisfile_riff['comments'][$value][] = $thisfile_riff[$RIFFsubtype][$key][0]['data']; } } /* if (isset($thisfile_riff[$RIFFsubtype]['ID3 '])) { getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.id3v2.php', __FILE__, true); $getid3_temp = new getID3(); $getid3_temp->openfile($this->getid3->filename); $getid3_id3v2 = new getid3_id3v2($getid3_temp); $getid3_id3v2->StartingOffset = $thisfile_riff[$RIFFsubtype]['ID3 '][0]['offset'] + 8; if ($thisfile_riff[$RIFFsubtype]['ID3 '][0]['valid'] = $getid3_id3v2->Analyze()) { $info['id3v2'] = $getid3_temp->info['id3v2']; } unset($getid3_temp, $getid3_id3v2); } */ break; // http://en.wikipedia.org/wiki/8SVX // http://en.wikipedia.org/wiki/8SVX case '8SVX': $info['fileformat'] = '8svx'; $info['mime_type'] = 'audio/8svx'; $thisfile_audio['bitrate_mode'] = 'cbr'; $thisfile_audio_dataformat = '8svx'; $thisfile_audio['bits_per_sample'] = 8; $thisfile_audio['channels'] = 1; // overridden below, if need be if (isset($thisfile_riff[$RIFFsubtype]['BODY'][0]['offset'])) { $info['avdataoffset'] = $thisfile_riff[$RIFFsubtype]['BODY'][0]['offset'] + 8; $info['avdataend'] = $info['avdataoffset'] + $thisfile_riff[$RIFFsubtype]['BODY'][0]['size']; if ($info['avdataend'] > $info['filesize']) { $info['warning'][] = 'Probable truncated AIFF file: expecting ' . $thisfile_riff[$RIFFsubtype]['BODY'][0]['size'] . ' bytes of audio data, only ' . ($info['filesize'] - $info['avdataoffset']) . ' bytes found'; } } if (isset($thisfile_riff[$RIFFsubtype]['VHDR'][0]['offset'])) { // shortcut $thisfile_riff_RIFFsubtype_VHDR_0 =& $thisfile_riff[$RIFFsubtype]['VHDR'][0]; $thisfile_riff_RIFFsubtype_VHDR_0['oneShotHiSamples'] = getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 0, 4)); $thisfile_riff_RIFFsubtype_VHDR_0['repeatHiSamples'] = getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 4, 4)); $thisfile_riff_RIFFsubtype_VHDR_0['samplesPerHiCycle'] = getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 8, 4)); $thisfile_riff_RIFFsubtype_VHDR_0['samplesPerSec'] = getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 12, 2)); $thisfile_riff_RIFFsubtype_VHDR_0['ctOctave'] = getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 14, 1)); $thisfile_riff_RIFFsubtype_VHDR_0['sCompression'] = getid3_lib::BigEndian2Int(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 15, 1)); $thisfile_riff_RIFFsubtype_VHDR_0['Volume'] = getid3_lib::FixedPoint16_16(substr($thisfile_riff_RIFFsubtype_VHDR_0['data'], 16, 4)); $thisfile_audio['sample_rate'] = $thisfile_riff_RIFFsubtype_VHDR_0['samplesPerSec']; switch ($thisfile_riff_RIFFsubtype_VHDR_0['sCompression']) { case 0: $thisfile_audio['codec'] = 'Pulse Code Modulation (PCM)'; $thisfile_audio['lossless'] = true; $ActualBitsPerSample = 8; break; case 1: $thisfile_audio['codec'] = 'Fibonacci-delta encoding'; $thisfile_audio['lossless'] = false; $ActualBitsPerSample = 4; break; default: $info['warning'][] = 'Unexpected sCompression value in 8SVX.VHDR chunk - expecting 0 or 1, found "' . sCompression . '"'; break; } } if (isset($thisfile_riff[$RIFFsubtype]['CHAN'][0]['data'])) { $ChannelsIndex = getid3_lib::BigEndian2Int(substr($thisfile_riff[$RIFFsubtype]['CHAN'][0]['data'], 0, 4)); switch ($ChannelsIndex) { case 6: // Stereo $thisfile_audio['channels'] = 2; break; case 2: // Left channel only // Left channel only case 4: // Right channel only $thisfile_audio['channels'] = 1; break; default: $info['warning'][] = 'Unexpected value in 8SVX.CHAN chunk - expecting 2 or 4 or 6, found "' . $ChannelsIndex . '"'; break; } } $CommentsChunkNames = array('NAME' => 'title', 'author' => 'artist', '(c) ' => 'copyright', 'ANNO' => 'comment'); foreach ($CommentsChunkNames as $key => $value) { if (isset($thisfile_riff[$RIFFsubtype][$key][0]['data'])) { $thisfile_riff['comments'][$value][] = $thisfile_riff[$RIFFsubtype][$key][0]['data']; } } $thisfile_audio['bitrate'] = $thisfile_audio['sample_rate'] * $ActualBitsPerSample * $thisfile_audio['channels']; if (!empty($thisfile_audio['bitrate'])) { $info['playtime_seconds'] = ($info['avdataend'] - $info['avdataoffset']) / ($thisfile_audio['bitrate'] / 8); } break; case 'CDXA': $info['fileformat'] = 'vcd'; // Asume Video CD $info['mime_type'] = 'video/mpeg'; if (!empty($thisfile_riff['CDXA']['data'][0]['size'])) { getid3_lib::IncludeDependency(GETID3_INCLUDEPATH . 'module.audio-video.mpeg.php', __FILE__, true); $getid3_temp = new getID3(); $getid3_temp->openfile($this->getid3->filename); $getid3_mpeg = new getid3_mpeg($getid3_temp); $getid3_mpeg->Analyze(); if (empty($getid3_temp->info['error'])) { $info['audio'] = $getid3_temp->info['audio']; $info['video'] = $getid3_temp->info['video']; $info['mpeg'] = $getid3_temp->info['mpeg']; $info['warning'] = $getid3_temp->info['warning']; } unset($getid3_temp, $getid3_mpeg); } break; default: $info['error'][] = 'Unknown RIFF type: expecting one of (WAVE|RMP3|AVI |CDDA|AIFF|AIFC|8SVX|CDXA), found "' . $RIFFsubtype . '" instead'; //unset($info['fileformat']); } switch ($RIFFsubtype) { case 'WAVE': case 'AIFF': case 'AIFC': $ID3v2_key_good = 'id3 '; $ID3v2_keys_bad = array('ID3 ', 'tag '); foreach ($ID3v2_keys_bad as $ID3v2_key_bad) { if (isset($thisfile_riff[$RIFFsubtype][$ID3v2_key_bad]) && !array_key_exists($ID3v2_key_good, $thisfile_riff[$RIFFsubtype])) { $thisfile_riff[$RIFFsubtype][$ID3v2_key_good] = $thisfile_riff[$RIFFsubtype][$ID3v2_key_bad]; $info['warning'][] = 'mapping "' . $ID3v2_key_bad . '" chunk to "' . $ID3v2_key_good . '"'; } } if (isset($thisfile_riff[$RIFFsubtype]['id3 '])) { getid3_lib::IncludeDependency(GETID3_INCLUDEPATH . 'module.tag.id3v2.php', __FILE__, true); $getid3_temp = new getID3(); $getid3_temp->openfile($this->getid3->filename); $getid3_id3v2 = new getid3_id3v2($getid3_temp); $getid3_id3v2->StartingOffset = $thisfile_riff[$RIFFsubtype]['id3 '][0]['offset'] + 8; if ($thisfile_riff[$RIFFsubtype]['id3 '][0]['valid'] = $getid3_id3v2->Analyze()) { $info['id3v2'] = $getid3_temp->info['id3v2']; } unset($getid3_temp, $getid3_id3v2); } break; } if (isset($thisfile_riff_WAVE['DISP']) && is_array($thisfile_riff_WAVE['DISP'])) { $thisfile_riff['comments']['title'][] = trim(substr($thisfile_riff_WAVE['DISP'][count($thisfile_riff_WAVE['DISP']) - 1]['data'], 4)); } if (isset($thisfile_riff_WAVE['INFO']) && is_array($thisfile_riff_WAVE['INFO'])) { self::parseComments($thisfile_riff_WAVE['INFO'], $thisfile_riff['comments']); } if (isset($thisfile_riff['AVI ']['INFO']) && is_array($thisfile_riff['AVI ']['INFO'])) { self::parseComments($thisfile_riff['AVI ']['INFO'], $thisfile_riff['comments']); } if (empty($thisfile_audio['encoder']) && !empty($info['mpeg']['audio']['LAME']['short_version'])) { $thisfile_audio['encoder'] = $info['mpeg']['audio']['LAME']['short_version']; } if (!isset($info['playtime_seconds'])) { $info['playtime_seconds'] = 0; } if (isset($thisfile_riff_raw['strh'][0]['dwLength']) && isset($thisfile_riff_raw['avih']['dwMicroSecPerFrame'])) { // needed for >2GB AVIs where 'avih' chunk only lists number of frames in that chunk, not entire movie $info['playtime_seconds'] = $thisfile_riff_raw['strh'][0]['dwLength'] * ($thisfile_riff_raw['avih']['dwMicroSecPerFrame'] / 1000000); } elseif (isset($thisfile_riff_raw['avih']['dwTotalFrames']) && isset($thisfile_riff_raw['avih']['dwMicroSecPerFrame'])) { $info['playtime_seconds'] = $thisfile_riff_raw['avih']['dwTotalFrames'] * ($thisfile_riff_raw['avih']['dwMicroSecPerFrame'] / 1000000); } if ($info['playtime_seconds'] > 0) { if (isset($thisfile_riff_audio) && isset($thisfile_riff_video)) { if (!isset($info['bitrate'])) { $info['bitrate'] = ($info['avdataend'] - $info['avdataoffset']) / $info['playtime_seconds'] * 8; } } elseif (isset($thisfile_riff_audio) && !isset($thisfile_riff_video)) { if (!isset($thisfile_audio['bitrate'])) { $thisfile_audio['bitrate'] = ($info['avdataend'] - $info['avdataoffset']) / $info['playtime_seconds'] * 8; } } elseif (!isset($thisfile_riff_audio) && isset($thisfile_riff_video)) { if (!isset($thisfile_video['bitrate'])) { $thisfile_video['bitrate'] = ($info['avdataend'] - $info['avdataoffset']) / $info['playtime_seconds'] * 8; } } } if (isset($thisfile_riff_video) && isset($thisfile_audio['bitrate']) && $thisfile_audio['bitrate'] > 0 && $info['playtime_seconds'] > 0) { $info['bitrate'] = ($info['avdataend'] - $info['avdataoffset']) / $info['playtime_seconds'] * 8; $thisfile_audio['bitrate'] = 0; $thisfile_video['bitrate'] = $info['bitrate']; foreach ($thisfile_riff_audio as $channelnumber => $audioinfoarray) { $thisfile_video['bitrate'] -= $audioinfoarray['bitrate']; $thisfile_audio['bitrate'] += $audioinfoarray['bitrate']; } if ($thisfile_video['bitrate'] <= 0) { unset($thisfile_video['bitrate']); } if ($thisfile_audio['bitrate'] <= 0) { unset($thisfile_audio['bitrate']); } } if (isset($info['mpeg']['audio'])) { $thisfile_audio_dataformat = 'mp' . $info['mpeg']['audio']['layer']; $thisfile_audio['sample_rate'] = $info['mpeg']['audio']['sample_rate']; $thisfile_audio['channels'] = $info['mpeg']['audio']['channels']; $thisfile_audio['bitrate'] = $info['mpeg']['audio']['bitrate']; $thisfile_audio['bitrate_mode'] = strtolower($info['mpeg']['audio']['bitrate_mode']); if (!empty($info['mpeg']['audio']['codec'])) { $thisfile_audio['codec'] = $info['mpeg']['audio']['codec'] . ' ' . $thisfile_audio['codec']; } if (!empty($thisfile_audio['streams'])) { foreach ($thisfile_audio['streams'] as $streamnumber => $streamdata) { if ($streamdata['dataformat'] == $thisfile_audio_dataformat) { $thisfile_audio['streams'][$streamnumber]['sample_rate'] = $thisfile_audio['sample_rate']; $thisfile_audio['streams'][$streamnumber]['channels'] = $thisfile_audio['channels']; $thisfile_audio['streams'][$streamnumber]['bitrate'] = $thisfile_audio['bitrate']; $thisfile_audio['streams'][$streamnumber]['bitrate_mode'] = $thisfile_audio['bitrate_mode']; $thisfile_audio['streams'][$streamnumber]['codec'] = $thisfile_audio['codec']; } } } $getid3_mp3 = new getid3_mp3($this->getid3); $thisfile_audio['encoder_options'] = $getid3_mp3->GuessEncoderOptions(); unset($getid3_mp3); } if (!empty($thisfile_riff_raw['fmt ']['wBitsPerSample']) && $thisfile_riff_raw['fmt ']['wBitsPerSample'] > 0) { switch ($thisfile_audio_dataformat) { case 'ac3': // ignore bits_per_sample break; default: $thisfile_audio['bits_per_sample'] = $thisfile_riff_raw['fmt ']['wBitsPerSample']; break; } } if (empty($thisfile_riff_raw)) { unset($thisfile_riff['raw']); } if (empty($thisfile_riff_audio)) { unset($thisfile_riff['audio']); } if (empty($thisfile_riff_video)) { unset($thisfile_riff['video']); } return true; }
function QuicktimeParseAtom($atomname, $atomsize, $atomdata, &$ThisFileInfo, $baseoffset, &$atomHierarchy, $ParseAllPossibleAtoms) { // http://developer.apple.com/techpubs/quicktime/qtdevdocs/APIREF/INDEX/atomalphaindex.htm array_push($atomHierarchy, $atomname); $atomstructure['hierarchy'] = implode(' ', $atomHierarchy); $atomstructure['name'] = $atomname; $atomstructure['size'] = $atomsize; $atomstructure['offset'] = $baseoffset; switch ($atomname) { case 'moov': // MOVie container atom // MOVie container atom case 'trak': // TRAcK container atom // TRAcK container atom case 'clip': // CLIPping container atom // CLIPping container atom case 'matt': // track MATTe container atom // track MATTe container atom case 'edts': // EDiTS container atom // EDiTS container atom case 'tref': // Track REFerence container atom // Track REFerence container atom case 'mdia': // MeDIA container atom // MeDIA container atom case 'minf': // Media INFormation container atom // Media INFormation container atom case 'dinf': // Data INFormation container atom // Data INFormation container atom case 'udta': // User DaTA container atom // User DaTA container atom case 'cmov': // Compressed MOVie container atom // Compressed MOVie container atom case 'rmra': // Reference Movie Record Atom // Reference Movie Record Atom case 'rmda': // Reference Movie Descriptor Atom // Reference Movie Descriptor Atom case 'gmhd': // Generic Media info HeaDer atom (seen on QTVR) $atomstructure['subatoms'] = $this->QuicktimeParseContainerAtom($atomdata, $ThisFileInfo, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); break; case 'stbl': // Sample TaBLe container atom $atomstructure['subatoms'] = $this->QuicktimeParseContainerAtom($atomdata, $ThisFileInfo, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); $isVideo = false; $framerate = 0; $framecount = 0; foreach ($atomstructure['subatoms'] as $key => $value_array) { if (isset($value_array['sample_description_table'])) { foreach ($value_array['sample_description_table'] as $key2 => $value_array2) { if (isset($value_array2['data_format'])) { switch ($value_array2['data_format']) { case 'avc1': case 'mp4v': // video data $isVideo = true; break; case 'mp4a': // audio data break; } } } } elseif (isset($value_array['time_to_sample_table'])) { foreach ($value_array['time_to_sample_table'] as $key2 => $value_array2) { if (isset($value_array2['sample_count']) && isset($value_array2['sample_duration'])) { $framerate = round($ThisFileInfo['quicktime']['time_scale'] / $value_array2['sample_duration'], 3); $framecount = $value_array2['sample_count']; } } } } if ($isVideo && $framerate) { $ThisFileInfo['quicktime']['video']['frame_rate'] = $framerate; $ThisFileInfo['video']['frame_rate'] = $ThisFileInfo['quicktime']['video']['frame_rate']; } if ($isVideo && $framecount) { $ThisFileInfo['quicktime']['video']['frame_count'] = $framecount; } break; case '�cpy': case '�day': case '�dir': case '�ed1': case '�ed2': case '�ed3': case '�ed4': case '�ed5': case '�ed6': case '�ed7': case '�ed8': case '�ed9': case '�fmt': case '�inf': case '�prd': case '�prf': case '�req': case '�src': case '�wrt': case '�nam': case '�cmt': case '�wrn': case '�hst': case '�mak': case '�mod': case '�PRD': case '�swr': case '�aut': case '�ART': case '�trk': case '�alb': case '�com': case '�gen': case '�ope': case '�url': case '�enc': $atomstructure['data_length'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 2)); $atomstructure['language_id'] = getid3_lib::BigEndian2Int(substr($atomdata, 2, 2)); $atomstructure['data'] = substr($atomdata, 4); $atomstructure['language'] = $this->QuicktimeLanguageLookup($atomstructure['language_id']); if (empty($ThisFileInfo['comments']['language']) || !in_array($atomstructure['language'], $ThisFileInfo['comments']['language'])) { $ThisFileInfo['comments']['language'][] = $atomstructure['language']; } $this->CopyToAppropriateCommentsSection($atomname, $atomstructure['data'], $ThisFileInfo); break; case 'play': // auto-PLAY atom $atomstructure['autoplay'] = (bool) getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); $ThisFileInfo['quicktime']['autoplay'] = $atomstructure['autoplay']; break; case 'WLOC': // Window LOCation atom $atomstructure['location_x'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 2)); $atomstructure['location_y'] = getid3_lib::BigEndian2Int(substr($atomdata, 2, 2)); break; case 'LOOP': // LOOPing atom // LOOPing atom case 'SelO': // play SELection Only atom // play SELection Only atom case 'AllF': // play ALL Frames atom $atomstructure['data'] = getid3_lib::BigEndian2Int($atomdata); break; case 'name': // // case 'MCPS': // Media Cleaner PRo // Media Cleaner PRo case '@PRM': // adobe PReMiere version // adobe PReMiere version case '@PRQ': // adobe PRemiere Quicktime version $atomstructure['data'] = $atomdata; break; case 'cmvd': // Compressed MooV Data atom // Code by ubergeek�ubergeek*tv based on information from // http://developer.apple.com/quicktime/icefloe/dispatch012.html $atomstructure['unCompressedSize'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 4)); $CompressedFileData = substr($atomdata, 4); if ($UncompressedHeader = @gzuncompress($CompressedFileData)) { $atomstructure['subatoms'] = $this->QuicktimeParseContainerAtom($UncompressedHeader, $ThisFileInfo, 0, $atomHierarchy, $ParseAllPossibleAtoms); } else { $ThisFileInfo['warning'][] = 'Error decompressing compressed MOV atom at offset ' . $atomstructure['offset']; } break; case 'dcom': // Data COMpression atom $atomstructure['compression_id'] = $atomdata; $atomstructure['compression_text'] = $this->QuicktimeDCOMLookup($atomdata); break; case 'rdrf': // Reference movie Data ReFerence atom $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); $atomstructure['flags']['internal_data'] = (bool) ($atomstructure['flags_raw'] & 0x1); $atomstructure['reference_type_name'] = substr($atomdata, 4, 4); $atomstructure['reference_length'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 4)); switch ($atomstructure['reference_type_name']) { case 'url ': $atomstructure['url'] = $this->NoNullString(substr($atomdata, 12)); break; case 'alis': $atomstructure['file_alias'] = substr($atomdata, 12); break; case 'rsrc': $atomstructure['resource_alias'] = substr($atomdata, 12); break; default: $atomstructure['data'] = substr($atomdata, 12); break; } break; case 'rmqu': // Reference Movie QUality atom $atomstructure['movie_quality'] = getid3_lib::BigEndian2Int($atomdata); break; case 'rmcs': // Reference Movie Cpu Speed atom $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 $atomstructure['cpu_speed_rating'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2)); break; case 'rmvc': // Reference Movie Version Check atom $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 $atomstructure['gestalt_selector'] = substr($atomdata, 4, 4); $atomstructure['gestalt_value_mask'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 4)); $atomstructure['gestalt_value'] = getid3_lib::BigEndian2Int(substr($atomdata, 12, 4)); $atomstructure['gestalt_check_type'] = getid3_lib::BigEndian2Int(substr($atomdata, 14, 2)); break; case 'rmcd': // Reference Movie Component check atom $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 $atomstructure['component_type'] = substr($atomdata, 4, 4); $atomstructure['component_subtype'] = substr($atomdata, 8, 4); $atomstructure['component_manufacturer'] = substr($atomdata, 12, 4); $atomstructure['component_flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 16, 4)); $atomstructure['component_flags_mask'] = getid3_lib::BigEndian2Int(substr($atomdata, 20, 4)); $atomstructure['component_min_version'] = getid3_lib::BigEndian2Int(substr($atomdata, 24, 4)); break; case 'rmdr': // Reference Movie Data Rate atom $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 $atomstructure['data_rate'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); $atomstructure['data_rate_bps'] = $atomstructure['data_rate'] * 10; break; case 'rmla': // Reference Movie Language Atom $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 $atomstructure['language_id'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2)); $atomstructure['language'] = $this->QuicktimeLanguageLookup($atomstructure['language_id']); if (empty($ThisFileInfo['comments']['language']) || !in_array($atomstructure['language'], $ThisFileInfo['comments']['language'])) { $ThisFileInfo['comments']['language'][] = $atomstructure['language']; } break; case 'rmla': // Reference Movie Language Atom $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 $atomstructure['track_id'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2)); break; case 'ptv ': // Print To Video - defines a movie's full screen mode // http://developer.apple.com/documentation/QuickTime/APIREF/SOURCESIV/at_ptv-_pg.htm $atomstructure['display_size_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 2)); $atomstructure['reserved_1'] = getid3_lib::BigEndian2Int(substr($atomdata, 2, 2)); // hardcoded: 0x0000 $atomstructure['reserved_2'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2)); // hardcoded: 0x0000 $atomstructure['slide_show_flag'] = getid3_lib::BigEndian2Int(substr($atomdata, 6, 1)); $atomstructure['play_on_open_flag'] = getid3_lib::BigEndian2Int(substr($atomdata, 7, 1)); $atomstructure['flags']['play_on_open'] = (bool) $atomstructure['play_on_open_flag']; $atomstructure['flags']['slide_show'] = (bool) $atomstructure['slide_show_flag']; $ptv_lookup[0] = 'normal'; $ptv_lookup[1] = 'double'; $ptv_lookup[2] = 'half'; $ptv_lookup[3] = 'full'; $ptv_lookup[4] = 'current'; if (isset($ptv_lookup[$atomstructure['display_size_raw']])) { $atomstructure['display_size'] = $ptv_lookup[$atomstructure['display_size_raw']]; } else { $ThisFileInfo['warning'][] = 'unknown "ptv " display constant (' . $atomstructure['display_size_raw'] . ')'; } break; case 'stsd': // Sample Table Sample Description atom $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 $atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); $stsdEntriesDataOffset = 8; for ($i = 0; $i < $atomstructure['number_entries']; $i++) { $atomstructure['sample_description_table'][$i]['size'] = getid3_lib::BigEndian2Int(substr($atomdata, $stsdEntriesDataOffset, 4)); $stsdEntriesDataOffset += 4; $atomstructure['sample_description_table'][$i]['data_format'] = substr($atomdata, $stsdEntriesDataOffset, 4); $stsdEntriesDataOffset += 4; $atomstructure['sample_description_table'][$i]['reserved'] = getid3_lib::BigEndian2Int(substr($atomdata, $stsdEntriesDataOffset, 6)); $stsdEntriesDataOffset += 6; $atomstructure['sample_description_table'][$i]['reference_index'] = getid3_lib::BigEndian2Int(substr($atomdata, $stsdEntriesDataOffset, 2)); $stsdEntriesDataOffset += 2; $atomstructure['sample_description_table'][$i]['data'] = substr($atomdata, $stsdEntriesDataOffset, $atomstructure['sample_description_table'][$i]['size'] - 4 - 4 - 6 - 2); $stsdEntriesDataOffset += $atomstructure['sample_description_table'][$i]['size'] - 4 - 4 - 6 - 2; $atomstructure['sample_description_table'][$i]['encoder_version'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 0, 2)); $atomstructure['sample_description_table'][$i]['encoder_revision'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 2, 2)); $atomstructure['sample_description_table'][$i]['encoder_vendor'] = substr($atomstructure['sample_description_table'][$i]['data'], 4, 4); switch ($atomstructure['sample_description_table'][$i]['encoder_vendor']) { case "": // audio atom $atomstructure['sample_description_table'][$i]['audio_channels'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 8, 2)); $atomstructure['sample_description_table'][$i]['audio_bit_depth'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 10, 2)); $atomstructure['sample_description_table'][$i]['audio_compression_id'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 12, 2)); $atomstructure['sample_description_table'][$i]['audio_packet_size'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 14, 2)); $atomstructure['sample_description_table'][$i]['audio_sample_rate'] = getid3_lib::FixedPoint16_16(substr($atomstructure['sample_description_table'][$i]['data'], 16, 4)); switch ($atomstructure['sample_description_table'][$i]['data_format']) { case 'avc1': case 'mp4v': $ThisFileInfo['fileformat'] = 'mp4'; $ThisFileInfo['video']['fourcc'] = $atomstructure['sample_description_table'][$i]['data_format']; $ThisFileInfo['warning'][] = 'This version (' . GETID3_VERSION . ') of getID3() does not fully support MPEG-4 audio/video streams'; break; case 'qtvr': $ThisFileInfo['video']['dataformat'] = 'quicktimevr'; break; case 'mp4a': default: $ThisFileInfo['quicktime']['audio']['codec'] = $this->QuicktimeAudioCodecLookup($atomstructure['sample_description_table'][$i]['data_format']); $ThisFileInfo['quicktime']['audio']['sample_rate'] = $atomstructure['sample_description_table'][$i]['audio_sample_rate']; $ThisFileInfo['quicktime']['audio']['channels'] = $atomstructure['sample_description_table'][$i]['audio_channels']; $ThisFileInfo['quicktime']['audio']['bit_depth'] = $atomstructure['sample_description_table'][$i]['audio_bit_depth']; $ThisFileInfo['audio']['codec'] = $ThisFileInfo['quicktime']['audio']['codec']; $ThisFileInfo['audio']['sample_rate'] = $ThisFileInfo['quicktime']['audio']['sample_rate']; $ThisFileInfo['audio']['channels'] = $ThisFileInfo['quicktime']['audio']['channels']; $ThisFileInfo['audio']['bits_per_sample'] = $ThisFileInfo['quicktime']['audio']['bit_depth']; switch ($atomstructure['sample_description_table'][$i]['data_format']) { case 'raw ': // PCM // PCM case 'alac': // Apple Lossless Audio Codec $ThisFileInfo['audio']['lossless'] = true; break; default: $ThisFileInfo['audio']['lossless'] = false; break; } break; } break; default: switch ($atomstructure['sample_description_table'][$i]['data_format']) { case 'mp4s': $ThisFileInfo['fileformat'] = 'mp4'; break; default: // video atom $atomstructure['sample_description_table'][$i]['video_temporal_quality'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 8, 4)); $atomstructure['sample_description_table'][$i]['video_spatial_quality'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 12, 4)); $atomstructure['sample_description_table'][$i]['video_frame_width'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 16, 2)); $atomstructure['sample_description_table'][$i]['video_frame_height'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 18, 2)); $atomstructure['sample_description_table'][$i]['video_resolution_x'] = getid3_lib::FixedPoint16_16(substr($atomstructure['sample_description_table'][$i]['data'], 20, 4)); $atomstructure['sample_description_table'][$i]['video_resolution_y'] = getid3_lib::FixedPoint16_16(substr($atomstructure['sample_description_table'][$i]['data'], 24, 4)); $atomstructure['sample_description_table'][$i]['video_data_size'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 28, 4)); $atomstructure['sample_description_table'][$i]['video_frame_count'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 32, 2)); $atomstructure['sample_description_table'][$i]['video_encoder_name_len'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 34, 1)); $atomstructure['sample_description_table'][$i]['video_encoder_name'] = substr($atomstructure['sample_description_table'][$i]['data'], 35, $atomstructure['sample_description_table'][$i]['video_encoder_name_len']); $atomstructure['sample_description_table'][$i]['video_pixel_color_depth'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 66, 2)); $atomstructure['sample_description_table'][$i]['video_color_table_id'] = getid3_lib::BigEndian2Int(substr($atomstructure['sample_description_table'][$i]['data'], 68, 2)); $atomstructure['sample_description_table'][$i]['video_pixel_color_type'] = $atomstructure['sample_description_table'][$i]['video_pixel_color_depth'] > 32 ? 'grayscale' : 'color'; $atomstructure['sample_description_table'][$i]['video_pixel_color_name'] = $this->QuicktimeColorNameLookup($atomstructure['sample_description_table'][$i]['video_pixel_color_depth']); if ($atomstructure['sample_description_table'][$i]['video_pixel_color_name'] != 'invalid') { $ThisFileInfo['quicktime']['video']['codec_fourcc'] = $atomstructure['sample_description_table'][$i]['data_format']; $ThisFileInfo['quicktime']['video']['codec_fourcc_lookup'] = $this->QuicktimeVideoCodecLookup($atomstructure['sample_description_table'][$i]['data_format']); $ThisFileInfo['quicktime']['video']['codec'] = $atomstructure['sample_description_table'][$i]['video_encoder_name']; $ThisFileInfo['quicktime']['video']['color_depth'] = $atomstructure['sample_description_table'][$i]['video_pixel_color_depth']; $ThisFileInfo['quicktime']['video']['color_depth_name'] = $atomstructure['sample_description_table'][$i]['video_pixel_color_name']; $ThisFileInfo['video']['codec'] = $ThisFileInfo['quicktime']['video']['codec']; $ThisFileInfo['video']['bits_per_sample'] = $ThisFileInfo['quicktime']['video']['color_depth']; } $ThisFileInfo['video']['lossless'] = false; $ThisFileInfo['video']['pixel_aspect_ratio'] = (double) 1; break; } break; } switch (strtolower($atomstructure['sample_description_table'][$i]['data_format'])) { case 'mp4a': $ThisFileInfo['audio']['dataformat'] = 'mp4'; $ThisFileInfo['quicktime']['audio']['codec'] = 'mp4'; break; case '3ivx': case '3iv1': case '3iv2': $ThisFileInfo['video']['dataformat'] = '3ivx'; break; case 'xvid': $ThisFileInfo['video']['dataformat'] = 'xvid'; break; case 'mp4v': $ThisFileInfo['video']['dataformat'] = 'mpeg4'; break; case 'divx': case 'div1': case 'div2': case 'div3': case 'div4': case 'div5': case 'div6': $TDIVXileInfo['video']['dataformat'] = 'divx'; break; default: // do nothing break; } unset($atomstructure['sample_description_table'][$i]['data']); } break; case 'stts': // Sample Table Time-to-Sample atom $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 $atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); $sttsEntriesDataOffset = 8; //$FrameRateCalculatorArray = array(); $frames_count = 0; for ($i = 0; $i < $atomstructure['number_entries']; $i++) { $atomstructure['time_to_sample_table'][$i]['sample_count'] = getid3_lib::BigEndian2Int(substr($atomdata, $sttsEntriesDataOffset, 4)); $sttsEntriesDataOffset += 4; $atomstructure['time_to_sample_table'][$i]['sample_duration'] = getid3_lib::BigEndian2Int(substr($atomdata, $sttsEntriesDataOffset, 4)); $sttsEntriesDataOffset += 4; $frames_count += $atomstructure['time_to_sample_table'][$i]['sample_count']; // THIS SECTION REPLACED WITH CODE IN "stbl" ATOM //if (!empty($ThisFileInfo['quicktime']['time_scale']) && (@$atomstructure['time_to_sample_table'][$i]['sample_duration'] > 0)) { // $stts_new_framerate = $ThisFileInfo['quicktime']['time_scale'] / $atomstructure['time_to_sample_table'][$i]['sample_duration']; // if ($stts_new_framerate <= 60) { // // some atoms have durations of "1" giving a very large framerate, which probably is not right // $ThisFileInfo['video']['frame_rate'] = max(@$ThisFileInfo['video']['frame_rate'], $stts_new_framerate); // } //} // //@$FrameRateCalculatorArray[($ThisFileInfo['quicktime']['time_scale'] / $atomstructure['time_to_sample_table'][$i]['sample_duration'])] += $atomstructure['time_to_sample_table'][$i]['sample_count']; } $ThisFileInfo['quicktime']['stts_framecount'][] = $frames_count; //$sttsFramesTotal = 0; //$sttsSecondsTotal = 0; //foreach ($FrameRateCalculatorArray as $frames_per_second => $frame_count) { // if (($frames_per_second > 60) || ($frames_per_second < 1)) { // // not video FPS information, probably audio information // $sttsFramesTotal = 0; // $sttsSecondsTotal = 0; // break; // } // $sttsFramesTotal += $frame_count; // $sttsSecondsTotal += $frame_count / $frames_per_second; //} //if (($sttsFramesTotal > 0) && ($sttsSecondsTotal > 0)) { // if (($sttsFramesTotal / $sttsSecondsTotal) > @$ThisFileInfo['video']['frame_rate']) { // $ThisFileInfo['video']['frame_rate'] = $sttsFramesTotal / $sttsSecondsTotal; // } //} break; case 'stss': // Sample Table Sync Sample (key frames) atom if ($ParseAllPossibleAtoms) { $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 $atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); $stssEntriesDataOffset = 8; for ($i = 0; $i < $atomstructure['number_entries']; $i++) { $atomstructure['time_to_sample_table'][$i] = getid3_lib::BigEndian2Int(substr($atomdata, $stssEntriesDataOffset, 4)); $stssEntriesDataOffset += 4; } } break; case 'stsc': // Sample Table Sample-to-Chunk atom if ($ParseAllPossibleAtoms) { $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 $atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); $stscEntriesDataOffset = 8; for ($i = 0; $i < $atomstructure['number_entries']; $i++) { $atomstructure['sample_to_chunk_table'][$i]['first_chunk'] = getid3_lib::BigEndian2Int(substr($atomdata, $stscEntriesDataOffset, 4)); $stscEntriesDataOffset += 4; $atomstructure['sample_to_chunk_table'][$i]['samples_per_chunk'] = getid3_lib::BigEndian2Int(substr($atomdata, $stscEntriesDataOffset, 4)); $stscEntriesDataOffset += 4; $atomstructure['sample_to_chunk_table'][$i]['sample_description'] = getid3_lib::BigEndian2Int(substr($atomdata, $stscEntriesDataOffset, 4)); $stscEntriesDataOffset += 4; } } break; case 'stsz': // Sample Table SiZe atom if ($ParseAllPossibleAtoms) { $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 $atomstructure['sample_size'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); $atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 4)); $stszEntriesDataOffset = 12; if ($atomstructure['sample_size'] == 0) { for ($i = 0; $i < $atomstructure['number_entries']; $i++) { $atomstructure['sample_size_table'][$i] = getid3_lib::BigEndian2Int(substr($atomdata, $stszEntriesDataOffset, 4)); $stszEntriesDataOffset += 4; } } } break; case 'stco': // Sample Table Chunk Offset atom if ($ParseAllPossibleAtoms) { $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 $atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); $stcoEntriesDataOffset = 8; for ($i = 0; $i < $atomstructure['number_entries']; $i++) { $atomstructure['chunk_offset_table'][$i] = getid3_lib::BigEndian2Int(substr($atomdata, $stcoEntriesDataOffset, 4)); $stcoEntriesDataOffset += 4; } } break; case 'co64': // Chunk Offset 64-bit (version of "stco" that supports > 2GB files) if ($ParseAllPossibleAtoms) { $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 $atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); $stcoEntriesDataOffset = 8; for ($i = 0; $i < $atomstructure['number_entries']; $i++) { $atomstructure['chunk_offset_table'][$i] = getid3_lib::BigEndian2Int(substr($atomdata, $stcoEntriesDataOffset, 8)); $stcoEntriesDataOffset += 8; } } break; case 'dref': // Data REFerence atom $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 $atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); $drefDataOffset = 8; for ($i = 0; $i < $atomstructure['number_entries']; $i++) { $atomstructure['data_references'][$i]['size'] = getid3_lib::BigEndian2Int(substr($atomdata, $drefDataOffset, 4)); $drefDataOffset += 4; $atomstructure['data_references'][$i]['type'] = substr($atomdata, $drefDataOffset, 4); $drefDataOffset += 4; $atomstructure['data_references'][$i]['version'] = getid3_lib::BigEndian2Int(substr($atomdata, $drefDataOffset, 1)); $drefDataOffset += 1; $atomstructure['data_references'][$i]['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, $drefDataOffset, 3)); // hardcoded: 0x0000 $drefDataOffset += 3; $atomstructure['data_references'][$i]['data'] = substr($atomdata, $drefDataOffset, $atomstructure['data_references'][$i]['size'] - 4 - 4 - 1 - 3); $drefDataOffset += $atomstructure['data_references'][$i]['size'] - 4 - 4 - 1 - 3; $atomstructure['data_references'][$i]['flags']['self_reference'] = (bool) ($atomstructure['data_references'][$i]['flags_raw'] & 0x1); } break; case 'gmin': // base Media INformation atom $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 $atomstructure['graphics_mode'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2)); $atomstructure['opcolor_red'] = getid3_lib::BigEndian2Int(substr($atomdata, 6, 2)); $atomstructure['opcolor_green'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 2)); $atomstructure['opcolor_blue'] = getid3_lib::BigEndian2Int(substr($atomdata, 10, 2)); $atomstructure['balance'] = getid3_lib::BigEndian2Int(substr($atomdata, 12, 2)); $atomstructure['reserved'] = getid3_lib::BigEndian2Int(substr($atomdata, 14, 2)); break; case 'smhd': // Sound Media information HeaDer atom $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 $atomstructure['balance'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2)); $atomstructure['reserved'] = getid3_lib::BigEndian2Int(substr($atomdata, 6, 2)); break; case 'vmhd': // Video Media information HeaDer atom $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); $atomstructure['graphics_mode'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2)); $atomstructure['opcolor_red'] = getid3_lib::BigEndian2Int(substr($atomdata, 6, 2)); $atomstructure['opcolor_green'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 2)); $atomstructure['opcolor_blue'] = getid3_lib::BigEndian2Int(substr($atomdata, 10, 2)); $atomstructure['flags']['no_lean_ahead'] = (bool) ($atomstructure['flags_raw'] & 0x1); break; case 'hdlr': // HanDLeR reference atom $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 $atomstructure['component_type'] = substr($atomdata, 4, 4); $atomstructure['component_subtype'] = substr($atomdata, 8, 4); $atomstructure['component_manufacturer'] = substr($atomdata, 12, 4); $atomstructure['component_flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 16, 4)); $atomstructure['component_flags_mask'] = getid3_lib::BigEndian2Int(substr($atomdata, 20, 4)); $atomstructure['component_name'] = $this->Pascal2String(substr($atomdata, 24)); if ($atomstructure['component_subtype'] == 'STpn' && $atomstructure['component_manufacturer'] == 'zzzz') { $ThisFileInfo['video']['dataformat'] = 'quicktimevr'; } break; case 'mdhd': // MeDia HeaDer atom $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 $atomstructure['creation_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); $atomstructure['modify_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 4)); $atomstructure['time_scale'] = getid3_lib::BigEndian2Int(substr($atomdata, 12, 4)); $atomstructure['duration'] = getid3_lib::BigEndian2Int(substr($atomdata, 16, 4)); $atomstructure['language_id'] = getid3_lib::BigEndian2Int(substr($atomdata, 20, 2)); $atomstructure['quality'] = getid3_lib::BigEndian2Int(substr($atomdata, 22, 2)); if ($atomstructure['time_scale'] == 0) { $ThisFileInfo['error'][] = 'Corrupt Quicktime file: mdhd.time_scale == zero'; return false; } $ThisFileInfo['quicktime']['time_scale'] = max(@$ThisFileInfo['quicktime']['time_scale'], $atomstructure['time_scale']); $atomstructure['creation_time_unix'] = getid3_lib::DateMac2Unix($atomstructure['creation_time']); $atomstructure['modify_time_unix'] = getid3_lib::DateMac2Unix($atomstructure['modify_time']); $atomstructure['playtime_seconds'] = $atomstructure['duration'] / $atomstructure['time_scale']; $atomstructure['language'] = $this->QuicktimeLanguageLookup($atomstructure['language_id']); if (empty($ThisFileInfo['comments']['language']) || !in_array($atomstructure['language'], $ThisFileInfo['comments']['language'])) { $ThisFileInfo['comments']['language'][] = $atomstructure['language']; } break; case 'pnot': // Preview atom $atomstructure['modification_date'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 4)); // "standard Macintosh format" $atomstructure['version_number'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2)); // hardcoded: 0x00 $atomstructure['atom_type'] = substr($atomdata, 6, 4); // usually: 'PICT' $atomstructure['atom_index'] = getid3_lib::BigEndian2Int(substr($atomdata, 10, 2)); // usually: 0x01 $atomstructure['modification_date_unix'] = getid3_lib::DateMac2Unix($atomstructure['modification_date']); break; case 'crgn': // Clipping ReGioN atom $atomstructure['region_size'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 2)); // The Region size, Region boundary box, $atomstructure['boundary_box'] = getid3_lib::BigEndian2Int(substr($atomdata, 2, 8)); // and Clipping region data fields $atomstructure['clipping_data'] = substr($atomdata, 10); // constitute a QuickDraw region. break; case 'load': // track LOAD settings atom $atomstructure['preload_start_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 4)); $atomstructure['preload_duration'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); $atomstructure['preload_flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 4)); $atomstructure['default_hints_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 12, 4)); $atomstructure['default_hints']['double_buffer'] = (bool) ($atomstructure['default_hints_raw'] & 0x20); $atomstructure['default_hints']['high_quality'] = (bool) ($atomstructure['default_hints_raw'] & 0x100); break; case 'tmcd': // TiMe CoDe atom // TiMe CoDe atom case 'chap': // CHAPter list atom // CHAPter list atom case 'sync': // SYNChronization atom // SYNChronization atom case 'scpt': // tranSCriPT atom // tranSCriPT atom case 'ssrc': // non-primary SouRCe atom for ($i = 0; $i < strlen($atomdata) % 4; $i++) { $atomstructure['track_id'][$i] = getid3_lib::BigEndian2Int(substr($atomdata, $i * 4, 4)); } break; case 'elst': // Edit LiST atom $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 $atomstructure['number_entries'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); for ($i = 0; $i < $atomstructure['number_entries']; $i++) { $atomstructure['edit_list'][$i]['track_duration'] = getid3_lib::BigEndian2Int(substr($atomdata, 8 + $i * 12 + 0, 4)); $atomstructure['edit_list'][$i]['media_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 8 + $i * 12 + 4, 4)); $atomstructure['edit_list'][$i]['media_rate'] = getid3_lib::FixedPoint16_16(substr($atomdata, 8 + $i * 12 + 8, 4)); } break; case 'kmat': // compressed MATte atom $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); // hardcoded: 0x0000 $atomstructure['matte_data_raw'] = substr($atomdata, 4); break; case 'ctab': // Color TABle atom $atomstructure['color_table_seed'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 4)); // hardcoded: 0x00000000 $atomstructure['color_table_flags'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 2)); // hardcoded: 0x8000 $atomstructure['color_table_size'] = getid3_lib::BigEndian2Int(substr($atomdata, 6, 2)) + 1; for ($colortableentry = 0; $colortableentry < $atomstructure['color_table_size']; $colortableentry++) { $atomstructure['color_table'][$colortableentry]['alpha'] = getid3_lib::BigEndian2Int(substr($atomdata, 8 + $colortableentry * 8 + 0, 2)); $atomstructure['color_table'][$colortableentry]['red'] = getid3_lib::BigEndian2Int(substr($atomdata, 8 + $colortableentry * 8 + 2, 2)); $atomstructure['color_table'][$colortableentry]['green'] = getid3_lib::BigEndian2Int(substr($atomdata, 8 + $colortableentry * 8 + 4, 2)); $atomstructure['color_table'][$colortableentry]['blue'] = getid3_lib::BigEndian2Int(substr($atomdata, 8 + $colortableentry * 8 + 6, 2)); } break; case 'mvhd': // MoVie HeaDer atom $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); $atomstructure['creation_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); $atomstructure['modify_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 4)); $atomstructure['time_scale'] = getid3_lib::BigEndian2Int(substr($atomdata, 12, 4)); $atomstructure['duration'] = getid3_lib::BigEndian2Int(substr($atomdata, 16, 4)); $atomstructure['preferred_rate'] = getid3_lib::FixedPoint16_16(substr($atomdata, 20, 4)); $atomstructure['preferred_volume'] = getid3_lib::FixedPoint8_8(substr($atomdata, 24, 2)); $atomstructure['reserved'] = substr($atomdata, 26, 10); $atomstructure['matrix_a'] = getid3_lib::FixedPoint16_16(substr($atomdata, 36, 4)); $atomstructure['matrix_b'] = getid3_lib::FixedPoint16_16(substr($atomdata, 40, 4)); $atomstructure['matrix_u'] = getid3_lib::FixedPoint2_30(substr($atomdata, 44, 4)); $atomstructure['matrix_c'] = getid3_lib::FixedPoint16_16(substr($atomdata, 48, 4)); $atomstructure['matrix_d'] = getid3_lib::FixedPoint16_16(substr($atomdata, 52, 4)); $atomstructure['matrix_v'] = getid3_lib::FixedPoint2_30(substr($atomdata, 56, 4)); $atomstructure['matrix_x'] = getid3_lib::FixedPoint16_16(substr($atomdata, 60, 4)); $atomstructure['matrix_y'] = getid3_lib::FixedPoint16_16(substr($atomdata, 64, 4)); $atomstructure['matrix_w'] = getid3_lib::FixedPoint2_30(substr($atomdata, 68, 4)); $atomstructure['preview_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 72, 4)); $atomstructure['preview_duration'] = getid3_lib::BigEndian2Int(substr($atomdata, 76, 4)); $atomstructure['poster_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 80, 4)); $atomstructure['selection_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 84, 4)); $atomstructure['selection_duration'] = getid3_lib::BigEndian2Int(substr($atomdata, 88, 4)); $atomstructure['current_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 92, 4)); $atomstructure['next_track_id'] = getid3_lib::BigEndian2Int(substr($atomdata, 96, 4)); if ($atomstructure['time_scale'] == 0) { $ThisFileInfo['error'][] = 'Corrupt Quicktime file: mvhd.time_scale == zero'; return false; } $atomstructure['creation_time_unix'] = getid3_lib::DateMac2Unix($atomstructure['creation_time']); $atomstructure['modify_time_unix'] = getid3_lib::DateMac2Unix($atomstructure['modify_time']); $ThisFileInfo['quicktime']['time_scale'] = max(@$ThisFileInfo['quicktime']['time_scale'], $atomstructure['time_scale']); $ThisFileInfo['quicktime']['display_scale'] = $atomstructure['matrix_a']; $ThisFileInfo['playtime_seconds'] = $atomstructure['duration'] / $atomstructure['time_scale']; break; case 'tkhd': // TracK HeaDer atom $atomstructure['version'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 1)); $atomstructure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atomdata, 1, 3)); $atomstructure['creation_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); $atomstructure['modify_time'] = getid3_lib::BigEndian2Int(substr($atomdata, 8, 4)); $atomstructure['trackid'] = getid3_lib::BigEndian2Int(substr($atomdata, 12, 4)); $atomstructure['reserved1'] = getid3_lib::BigEndian2Int(substr($atomdata, 16, 4)); $atomstructure['duration'] = getid3_lib::BigEndian2Int(substr($atomdata, 20, 4)); $atomstructure['reserved2'] = getid3_lib::BigEndian2Int(substr($atomdata, 24, 8)); $atomstructure['layer'] = getid3_lib::BigEndian2Int(substr($atomdata, 32, 2)); $atomstructure['alternate_group'] = getid3_lib::BigEndian2Int(substr($atomdata, 34, 2)); $atomstructure['volume'] = getid3_lib::FixedPoint8_8(substr($atomdata, 36, 2)); $atomstructure['reserved3'] = getid3_lib::BigEndian2Int(substr($atomdata, 38, 2)); $atomstructure['matrix_a'] = getid3_lib::FixedPoint16_16(substr($atomdata, 40, 4)); $atomstructure['matrix_b'] = getid3_lib::FixedPoint16_16(substr($atomdata, 44, 4)); $atomstructure['matrix_u'] = getid3_lib::FixedPoint16_16(substr($atomdata, 48, 4)); $atomstructure['matrix_c'] = getid3_lib::FixedPoint16_16(substr($atomdata, 52, 4)); $atomstructure['matrix_d'] = getid3_lib::FixedPoint16_16(substr($atomdata, 56, 4)); $atomstructure['matrix_v'] = getid3_lib::FixedPoint16_16(substr($atomdata, 60, 4)); $atomstructure['matrix_x'] = getid3_lib::FixedPoint2_30(substr($atomdata, 64, 4)); $atomstructure['matrix_y'] = getid3_lib::FixedPoint2_30(substr($atomdata, 68, 4)); $atomstructure['matrix_w'] = getid3_lib::FixedPoint2_30(substr($atomdata, 72, 4)); $atomstructure['width'] = getid3_lib::FixedPoint16_16(substr($atomdata, 76, 4)); $atomstructure['height'] = getid3_lib::FixedPoint16_16(substr($atomdata, 80, 4)); $atomstructure['flags']['enabled'] = (bool) ($atomstructure['flags_raw'] & 0x1); $atomstructure['flags']['in_movie'] = (bool) ($atomstructure['flags_raw'] & 0x2); $atomstructure['flags']['in_preview'] = (bool) ($atomstructure['flags_raw'] & 0x4); $atomstructure['flags']['in_poster'] = (bool) ($atomstructure['flags_raw'] & 0x8); $atomstructure['creation_time_unix'] = getid3_lib::DateMac2Unix($atomstructure['creation_time']); $atomstructure['modify_time_unix'] = getid3_lib::DateMac2Unix($atomstructure['modify_time']); if (!isset($ThisFileInfo['video']['resolution_x']) || !isset($ThisFileInfo['video']['resolution_y'])) { $ThisFileInfo['video']['resolution_x'] = $atomstructure['width']; $ThisFileInfo['video']['resolution_y'] = $atomstructure['height']; } if ($atomstructure['flags']['enabled'] == 1) { $ThisFileInfo['video']['resolution_x'] = max($ThisFileInfo['video']['resolution_x'], $atomstructure['width']); $ThisFileInfo['video']['resolution_y'] = max($ThisFileInfo['video']['resolution_y'], $atomstructure['height']); } if (!empty($ThisFileInfo['video']['resolution_x']) && !empty($ThisFileInfo['video']['resolution_y'])) { $ThisFileInfo['quicktime']['video']['resolution_x'] = $ThisFileInfo['video']['resolution_x']; $ThisFileInfo['quicktime']['video']['resolution_y'] = $ThisFileInfo['video']['resolution_y']; } else { unset($ThisFileInfo['video']['resolution_x']); unset($ThisFileInfo['video']['resolution_y']); unset($ThisFileInfo['quicktime']['video']); } break; case 'meta': // METAdata atom // http://www.geocities.com/xhelmboyx/quicktime/formats/qti-layout.txt $NextTagPosition = strpos($atomdata, '�'); while ($NextTagPosition < strlen($atomdata)) { $metaItemSize = getid3_lib::BigEndian2Int(substr($atomdata, $NextTagPosition - 4, 4)) - 4; if ($metaItemSize == -4) { break; } $metaItemRaw = substr($atomdata, $NextTagPosition, $metaItemSize); $metaItemKey = substr($metaItemRaw, 0, 4); $metaItemData = substr($metaItemRaw, 20); $NextTagPosition += $metaItemSize + 4; $this->CopyToAppropriateCommentsSection($metaItemKey, $metaItemData, $ThisFileInfo); } break; case 'ftyp': // FileTYPe (?) atom (for MP4 it seems) $atomstructure['signature'] = substr($atomdata, 0, 4); $atomstructure['unknown_1'] = getid3_lib::BigEndian2Int(substr($atomdata, 4, 4)); $atomstructure['fourcc'] = substr($atomdata, 8, 4); break; case 'mdat': // Media DATa atom // Media DATa atom case 'free': // FREE space atom // FREE space atom case 'skip': // SKIP atom // SKIP atom case 'wide': // 64-bit expansion placeholder atom // 'mdat' data is too big to deal with, contains no useful metadata // 'free', 'skip' and 'wide' are just padding, contains no useful data at all // When writing QuickTime files, it is sometimes necessary to update an atom's size. // It is impossible to update a 32-bit atom to a 64-bit atom since the 32-bit atom // is only 8 bytes in size, and the 64-bit atom requires 16 bytes. Therefore, QuickTime // puts an 8-byte placeholder atom before any atoms it may have to update the size of. // In this way, if the atom needs to be converted from a 32-bit to a 64-bit atom, the // placeholder atom can be overwritten to obtain the necessary 8 extra bytes. // The placeholder atom has a type of kWideAtomPlaceholderType ( 'wide' ). break; case 'nsav': // NoSAVe atom // http://developer.apple.com/technotes/tn/tn2038.html $atomstructure['data'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 4)); break; case 'ctyp': // Controller TYPe atom (seen on QTVR) // http://homepages.slingshot.co.nz/~helmboy/quicktime/formats/qtm-layout.txt // some controller names are: // 0x00 + 'std' for linear movie // 'none' for no controls $atomstructure['ctyp'] = substr($atomdata, 0, 4); switch ($atomstructure['ctyp']) { case 'qtvr': $ThisFileInfo['video']['dataformat'] = 'quicktimevr'; break; } break; case 'pano': // PANOrama track (seen on QTVR) $atomstructure['pano'] = getid3_lib::BigEndian2Int(substr($atomdata, 0, 4)); break; case 'hint': // HINT track // HINT track case 'hinf': // // case 'hinv': // // case 'hnti': // $ThisFileInfo['quicktime']['hinting'] = true; break; case 'imgt': // IMaGe Track reference (kQTVRImageTrackRefType) (seen on QTVR) for ($i = 0; $i < $atomstructure['size'] - 8; $i += 4) { $atomstructure['imgt'][] = getid3_lib::BigEndian2Int(substr($atomdata, $i, 4)); } break; case 'FXTC': // Something to do with Adobe After Effects (?) // Something to do with Adobe After Effects (?) case 'PrmA': case 'code': case 'FIEL': // this is NOT "fiel" (Field Ordering) as describe here: http://developer.apple.com/documentation/QuickTime/QTFF/QTFFChap3/chapter_4_section_2.html // Observed-but-not-handled atom types are just listed here // to prevent warnings being generated $atomstructure['data'] = $atomdata; break; default: $ThisFileInfo['warning'][] = 'Unknown QuickTime atom type: "' . $atomname . '" at offset ' . $baseoffset; $atomstructure['data'] = $atomdata; break; } array_pop($atomHierarchy); return $atomstructure; }
public function QuicktimeParseAtom($atomname, $atomsize, $atom_data, $baseoffset, &$atomHierarchy, $ParseAllPossibleAtoms) { // http://developer.apple.com/techpubs/quicktime/qtdevdocs/APIREF/INDEX/atomalphaindex.htm $info =& $this->getid3->info; $atom_parent = end($atomHierarchy); // not array_pop($atomHierarchy); see http://www.getid3.org/phpBB3/viewtopic.php?t=1717 array_push($atomHierarchy, $atomname); $atom_structure['hierarchy'] = implode(' ', $atomHierarchy); $atom_structure['name'] = $atomname; $atom_structure['size'] = $atomsize; $atom_structure['offset'] = $baseoffset; switch ($atomname) { case 'moov': // MOVie container atom // MOVie container atom case 'trak': // TRAcK container atom // TRAcK container atom case 'clip': // CLIPping container atom // CLIPping container atom case 'matt': // track MATTe container atom // track MATTe container atom case 'edts': // EDiTS container atom // EDiTS container atom case 'tref': // Track REFerence container atom // Track REFerence container atom case 'mdia': // MeDIA container atom // MeDIA container atom case 'minf': // Media INFormation container atom // Media INFormation container atom case 'dinf': // Data INFormation container atom // Data INFormation container atom case 'udta': // User DaTA container atom // User DaTA container atom case 'cmov': // Compressed MOVie container atom // Compressed MOVie container atom case 'rmra': // Reference Movie Record Atom // Reference Movie Record Atom case 'rmda': // Reference Movie Descriptor Atom // Reference Movie Descriptor Atom case 'gmhd': // Generic Media info HeaDer atom (seen on QTVR) $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); break; case 'ilst': // Item LiST container atom if ($atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms)) { // some "ilst" atoms contain data atoms that have a numeric name, and the data is far more accessible if the returned array is compacted $allnumericnames = true; foreach ($atom_structure['subatoms'] as $subatomarray) { if (!is_integer($subatomarray['name']) || count($subatomarray['subatoms']) != 1) { $allnumericnames = false; break; } } if ($allnumericnames) { $newData = array(); foreach ($atom_structure['subatoms'] as $subatomarray) { foreach ($subatomarray['subatoms'] as $newData_subatomarray) { unset($newData_subatomarray['hierarchy'], $newData_subatomarray['name']); $newData[$subatomarray['name']] = $newData_subatomarray; break; } } $atom_structure['data'] = $newData; unset($atom_structure['subatoms']); } } break; case "": case "": case "": case "": case "": $atomname = getid3_lib::BigEndian2Int($atomname); $atom_structure['name'] = $atomname; $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); break; case 'stbl': // Sample TaBLe container atom $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); $isVideo = false; $framerate = 0; $framecount = 0; foreach ($atom_structure['subatoms'] as $key => $value_array) { if (isset($value_array['sample_description_table'])) { foreach ($value_array['sample_description_table'] as $key2 => $value_array2) { if (isset($value_array2['data_format'])) { switch ($value_array2['data_format']) { case 'avc1': case 'mp4v': // video data $isVideo = true; break; case 'mp4a': // audio data break; } } } } elseif (isset($value_array['time_to_sample_table'])) { foreach ($value_array['time_to_sample_table'] as $key2 => $value_array2) { if (isset($value_array2['sample_count']) && isset($value_array2['sample_duration']) && $value_array2['sample_duration'] > 0) { $framerate = round($info['quicktime']['time_scale'] / $value_array2['sample_duration'], 3); $framecount = $value_array2['sample_count']; } } } } if ($isVideo && $framerate) { $info['quicktime']['video']['frame_rate'] = $framerate; $info['video']['frame_rate'] = $info['quicktime']['video']['frame_rate']; } if ($isVideo && $framecount) { $info['quicktime']['video']['frame_count'] = $framecount; } break; case 'aART': // Album ARTist // Album ARTist case 'catg': // CaTeGory // CaTeGory case 'covr': // COVeR artwork // COVeR artwork case 'cpil': // ComPILation // ComPILation case 'cprt': // CoPyRighT // CoPyRighT case 'desc': // DESCription // DESCription case 'disk': // DISK number // DISK number case 'egid': // Episode Global ID // Episode Global ID case 'gnre': // GeNRE // GeNRE case 'keyw': // KEYWord // KEYWord case 'ldes': case 'pcst': // PodCaST // PodCaST case 'pgap': // GAPless Playback // GAPless Playback case 'purd': // PURchase Date // PURchase Date case 'purl': // Podcast URL // Podcast URL case 'rati': case 'rndu': case 'rpdu': case 'rtng': // RaTiNG // RaTiNG case 'stik': case 'tmpo': // TeMPO (BPM) // TeMPO (BPM) case 'trkn': // TRacK Number // TRacK Number case 'tves': // TV EpiSode // TV EpiSode case 'tvnn': // TV Network Name // TV Network Name case 'tvsh': // TV SHow Name // TV SHow Name case 'tvsn': // TV SeasoN // TV SeasoN case 'akID': // iTunes store account type // iTunes store account type case 'apID': case 'atID': case 'cmID': case 'cnID': case 'geID': case 'plID': case 'sfID': // iTunes store country // iTunes store country case "©" . 'alb': // ALBum // ALBum case "©" . 'art': // ARTist // ARTist case "©" . 'ART': case "©" . 'aut': case "©" . 'cmt': // CoMmenT // CoMmenT case "©" . 'com': // COMposer // COMposer case "©" . 'cpy': case "©" . 'day': // content created year // content created year case "©" . 'dir': case "©" . 'ed1': case "©" . 'ed2': case "©" . 'ed3': case "©" . 'ed4': case "©" . 'ed5': case "©" . 'ed6': case "©" . 'ed7': case "©" . 'ed8': case "©" . 'ed9': case "©" . 'enc': case "©" . 'fmt': case "©" . 'gen': // GENre // GENre case "©" . 'grp': // GRouPing // GRouPing case "©" . 'hst': case "©" . 'inf': case "©" . 'lyr': // LYRics // LYRics case "©" . 'mak': case "©" . 'mod': case "©" . 'nam': // full NAMe // full NAMe case "©" . 'ope': case "©" . 'PRD': case "©" . 'prd': case "©" . 'prf': case "©" . 'req': case "©" . 'src': case "©" . 'swr': case "©" . 'too': // encoder // encoder case "©" . 'trk': // TRacK // TRacK case "©" . 'url': case "©" . 'wrn': case "©" . 'wrt': // WRiTer // WRiTer case '----': // itunes specific if ($atom_parent == 'udta') { // User data atom handler $atom_structure['data_length'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2)); $atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2)); $atom_structure['data'] = substr($atom_data, 4); $atom_structure['language'] = $this->QuicktimeLanguageLookup($atom_structure['language_id']); if (empty($info['comments']['language']) || !in_array($atom_structure['language'], $info['comments']['language'])) { $info['comments']['language'][] = $atom_structure['language']; } } else { // Apple item list box atom handler $atomoffset = 0; if (substr($atom_data, 2, 2) == "µ") { // not sure what it means, but observed on iPhone4 data. // Each $atom_data has 2 bytes of datasize, plus 0x10B5, then data while ($atomoffset < strlen($atom_data)) { $boxsmallsize = getid3_lib::BigEndian2Int(substr($atom_data, $atomoffset, 2)); $boxsmalltype = substr($atom_data, $atomoffset + 2, 2); $boxsmalldata = substr($atom_data, $atomoffset + 4, $boxsmallsize); if ($boxsmallsize <= 1) { $info['warning'][] = 'Invalid QuickTime atom smallbox size "' . $boxsmallsize . '" in atom "' . $atomname . '" at offset: ' . ($atom_structure['offset'] + $atomoffset); $atom_structure['data'] = null; $atomoffset = strlen($atom_data); break; } switch ($boxsmalltype) { case "µ": $atom_structure['data'] = $boxsmalldata; break; default: $info['warning'][] = 'Unknown QuickTime smallbox type: "' . getid3_lib::PrintHexBytes($boxsmalltype) . '" at offset ' . $baseoffset; $atom_structure['data'] = $atom_data; break; } $atomoffset += 4 + $boxsmallsize; } } else { while ($atomoffset < strlen($atom_data)) { $boxsize = getid3_lib::BigEndian2Int(substr($atom_data, $atomoffset, 4)); $boxtype = substr($atom_data, $atomoffset + 4, 4); $boxdata = substr($atom_data, $atomoffset + 8, $boxsize - 8); if ($boxsize <= 1) { $info['warning'][] = 'Invalid QuickTime atom box size "' . $boxsize . '" in atom "' . $atomname . '" at offset: ' . ($atom_structure['offset'] + $atomoffset); $atom_structure['data'] = null; $atomoffset = strlen($atom_data); break; } $atomoffset += $boxsize; switch ($boxtype) { case 'mean': case 'name': $atom_structure[$boxtype] = substr($boxdata, 4); break; case 'data': $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($boxdata, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($boxdata, 1, 3)); switch ($atom_structure['flags_raw']) { case 0: // data flag // data flag case 21: // tmpo/cpil flag switch ($atomname) { case 'cpil': case 'pcst': case 'pgap': $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1)); break; case 'tmpo': $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 2)); break; case 'disk': case 'trkn': $num = getid3_lib::BigEndian2Int(substr($boxdata, 10, 2)); $num_total = getid3_lib::BigEndian2Int(substr($boxdata, 12, 2)); $atom_structure['data'] = empty($num) ? '' : $num; $atom_structure['data'] .= empty($num_total) ? '' : '/' . $num_total; break; case 'gnre': $GenreID = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4)); $atom_structure['data'] = getid3_id3v1::LookupGenreName($GenreID - 1); break; case 'rtng': $atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1)); $atom_structure['data'] = $this->QuicktimeContentRatingLookup($atom_structure[$atomname]); break; case 'stik': $atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1)); $atom_structure['data'] = $this->QuicktimeSTIKLookup($atom_structure[$atomname]); break; case 'sfID': $atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4)); $atom_structure['data'] = $this->QuicktimeStoreFrontCodeLookup($atom_structure[$atomname]); break; case 'egid': case 'purl': $atom_structure['data'] = substr($boxdata, 8); break; default: $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4)); } break; case 1: // text flag // text flag case 13: // image flag // image flag default: $atom_structure['data'] = substr($boxdata, 8); if ($atomname == 'covr') { // not a foolproof check, but better than nothing if (preg_match('#^\\xFF\\xD8\\xFF#', $atom_structure['data'])) { $atom_structure['image_mime'] = 'image/jpeg'; } elseif (preg_match('#^\\x89\\x50\\x4E\\x47\\x0D\\x0A\\x1A\\x0A#', $atom_structure['data'])) { $atom_structure['image_mime'] = 'image/png'; } elseif (preg_match('#^GIF#', $atom_structure['data'])) { $atom_structure['image_mime'] = 'image/gif'; } } break; } break; default: $info['warning'][] = 'Unknown QuickTime box type: "' . getid3_lib::PrintHexBytes($boxtype) . '" at offset ' . $baseoffset; $atom_structure['data'] = $atom_data; } } } } $this->CopyToAppropriateCommentsSection($atomname, $atom_structure['data'], $atom_structure['name']); break; case 'play': // auto-PLAY atom $atom_structure['autoplay'] = (bool) getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $info['quicktime']['autoplay'] = $atom_structure['autoplay']; break; case 'WLOC': // Window LOCation atom $atom_structure['location_x'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2)); $atom_structure['location_y'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2)); break; case 'LOOP': // LOOPing atom // LOOPing atom case 'SelO': // play SELection Only atom // play SELection Only atom case 'AllF': // play ALL Frames atom $atom_structure['data'] = getid3_lib::BigEndian2Int($atom_data); break; case 'name': // // case 'MCPS': // Media Cleaner PRo // Media Cleaner PRo case '@PRM': // adobe PReMiere version // adobe PReMiere version case '@PRQ': // adobe PRemiere Quicktime version $atom_structure['data'] = $atom_data; break; case 'cmvd': // Compressed MooV Data atom // Code by ubergeekØubergeek*tv based on information from // http://developer.apple.com/quicktime/icefloe/dispatch012.html $atom_structure['unCompressedSize'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); $CompressedFileData = substr($atom_data, 4); if ($UncompressedHeader = @gzuncompress($CompressedFileData)) { $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($UncompressedHeader, 0, $atomHierarchy, $ParseAllPossibleAtoms); } else { $info['warning'][] = 'Error decompressing compressed MOV atom at offset ' . $atom_structure['offset']; } break; case 'dcom': // Data COMpression atom $atom_structure['compression_id'] = $atom_data; $atom_structure['compression_text'] = $this->QuicktimeDCOMLookup($atom_data); break; case 'rdrf': // Reference movie Data ReFerence atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); $atom_structure['flags']['internal_data'] = (bool) ($atom_structure['flags_raw'] & 0x1); $atom_structure['reference_type_name'] = substr($atom_data, 4, 4); $atom_structure['reference_length'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); switch ($atom_structure['reference_type_name']) { case 'url ': $atom_structure['url'] = $this->NoNullString(substr($atom_data, 12)); break; case 'alis': $atom_structure['file_alias'] = substr($atom_data, 12); break; case 'rsrc': $atom_structure['resource_alias'] = substr($atom_data, 12); break; default: $atom_structure['data'] = substr($atom_data, 12); break; } break; case 'rmqu': // Reference Movie QUality atom $atom_structure['movie_quality'] = getid3_lib::BigEndian2Int($atom_data); break; case 'rmcs': // Reference Movie Cpu Speed atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['cpu_speed_rating'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); break; case 'rmvc': // Reference Movie Version Check atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['gestalt_selector'] = substr($atom_data, 4, 4); $atom_structure['gestalt_value_mask'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); $atom_structure['gestalt_value'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); $atom_structure['gestalt_check_type'] = getid3_lib::BigEndian2Int(substr($atom_data, 14, 2)); break; case 'rmcd': // Reference Movie Component check atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['component_type'] = substr($atom_data, 4, 4); $atom_structure['component_subtype'] = substr($atom_data, 8, 4); $atom_structure['component_manufacturer'] = substr($atom_data, 12, 4); $atom_structure['component_flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); $atom_structure['component_flags_mask'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 4)); $atom_structure['component_min_version'] = getid3_lib::BigEndian2Int(substr($atom_data, 24, 4)); break; case 'rmdr': // Reference Movie Data Rate atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['data_rate'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $atom_structure['data_rate_bps'] = $atom_structure['data_rate'] * 10; break; case 'rmla': // Reference Movie Language Atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); $atom_structure['language'] = $this->QuicktimeLanguageLookup($atom_structure['language_id']); if (empty($info['comments']['language']) || !in_array($atom_structure['language'], $info['comments']['language'])) { $info['comments']['language'][] = $atom_structure['language']; } break; case 'rmla': // Reference Movie Language Atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['track_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); break; case 'ptv ': // Print To Video - defines a movie's full screen mode // http://developer.apple.com/documentation/QuickTime/APIREF/SOURCESIV/at_ptv-_pg.htm $atom_structure['display_size_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2)); $atom_structure['reserved_1'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2)); // hardcoded: 0x0000 $atom_structure['reserved_2'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); // hardcoded: 0x0000 $atom_structure['slide_show_flag'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 1)); $atom_structure['play_on_open_flag'] = getid3_lib::BigEndian2Int(substr($atom_data, 7, 1)); $atom_structure['flags']['play_on_open'] = (bool) $atom_structure['play_on_open_flag']; $atom_structure['flags']['slide_show'] = (bool) $atom_structure['slide_show_flag']; $ptv_lookup[0] = 'normal'; $ptv_lookup[1] = 'double'; $ptv_lookup[2] = 'half'; $ptv_lookup[3] = 'full'; $ptv_lookup[4] = 'current'; if (isset($ptv_lookup[$atom_structure['display_size_raw']])) { $atom_structure['display_size'] = $ptv_lookup[$atom_structure['display_size_raw']]; } else { $info['warning'][] = 'unknown "ptv " display constant (' . $atom_structure['display_size_raw'] . ')'; } break; case 'stsd': // Sample Table Sample Description atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $stsdEntriesDataOffset = 8; for ($i = 0; $i < $atom_structure['number_entries']; $i++) { $atom_structure['sample_description_table'][$i]['size'] = getid3_lib::BigEndian2Int(substr($atom_data, $stsdEntriesDataOffset, 4)); $stsdEntriesDataOffset += 4; $atom_structure['sample_description_table'][$i]['data_format'] = substr($atom_data, $stsdEntriesDataOffset, 4); $stsdEntriesDataOffset += 4; $atom_structure['sample_description_table'][$i]['reserved'] = getid3_lib::BigEndian2Int(substr($atom_data, $stsdEntriesDataOffset, 6)); $stsdEntriesDataOffset += 6; $atom_structure['sample_description_table'][$i]['reference_index'] = getid3_lib::BigEndian2Int(substr($atom_data, $stsdEntriesDataOffset, 2)); $stsdEntriesDataOffset += 2; $atom_structure['sample_description_table'][$i]['data'] = substr($atom_data, $stsdEntriesDataOffset, $atom_structure['sample_description_table'][$i]['size'] - 4 - 4 - 6 - 2); $stsdEntriesDataOffset += $atom_structure['sample_description_table'][$i]['size'] - 4 - 4 - 6 - 2; $atom_structure['sample_description_table'][$i]['encoder_version'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 0, 2)); $atom_structure['sample_description_table'][$i]['encoder_revision'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 2, 2)); $atom_structure['sample_description_table'][$i]['encoder_vendor'] = substr($atom_structure['sample_description_table'][$i]['data'], 4, 4); switch ($atom_structure['sample_description_table'][$i]['encoder_vendor']) { case "": // audio tracks $atom_structure['sample_description_table'][$i]['audio_channels'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 8, 2)); $atom_structure['sample_description_table'][$i]['audio_bit_depth'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 10, 2)); $atom_structure['sample_description_table'][$i]['audio_compression_id'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 12, 2)); $atom_structure['sample_description_table'][$i]['audio_packet_size'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 14, 2)); $atom_structure['sample_description_table'][$i]['audio_sample_rate'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 16, 4)); // video tracks // http://developer.apple.com/library/mac/#documentation/QuickTime/QTFF/QTFFChap3/qtff3.html $atom_structure['sample_description_table'][$i]['temporal_quality'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 8, 4)); $atom_structure['sample_description_table'][$i]['spatial_quality'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 12, 4)); $atom_structure['sample_description_table'][$i]['width'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 16, 2)); $atom_structure['sample_description_table'][$i]['height'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 18, 2)); $atom_structure['sample_description_table'][$i]['resolution_x'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 24, 4)); $atom_structure['sample_description_table'][$i]['resolution_y'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 28, 4)); $atom_structure['sample_description_table'][$i]['data_size'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 32, 4)); $atom_structure['sample_description_table'][$i]['frame_count'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 36, 2)); $atom_structure['sample_description_table'][$i]['compressor_name'] = substr($atom_structure['sample_description_table'][$i]['data'], 38, 4); $atom_structure['sample_description_table'][$i]['pixel_depth'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 42, 2)); $atom_structure['sample_description_table'][$i]['color_table_id'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 44, 2)); switch ($atom_structure['sample_description_table'][$i]['data_format']) { case '2vuY': case 'avc1': case 'cvid': case 'dvc ': case 'dvcp': case 'gif ': case 'h263': case 'jpeg': case 'kpcd': case 'mjpa': case 'mjpb': case 'mp4v': case 'png ': case 'raw ': case 'rle ': case 'rpza': case 'smc ': case 'SVQ1': case 'SVQ3': case 'tiff': case 'v210': case 'v216': case 'v308': case 'v408': case 'v410': case 'yuv2': $info['fileformat'] = 'mp4'; $info['video']['fourcc'] = $atom_structure['sample_description_table'][$i]['data_format']; // http://www.getid3.org/phpBB3/viewtopic.php?t=1550 //if ((!empty($atom_structure['sample_description_table'][$i]['width']) && !empty($atom_structure['sample_description_table'][$i]['width'])) && (empty($info['video']['resolution_x']) || empty($info['video']['resolution_y']) || (number_format($info['video']['resolution_x'], 6) != number_format(round($info['video']['resolution_x']), 6)) || (number_format($info['video']['resolution_y'], 6) != number_format(round($info['video']['resolution_y']), 6)))) { // ugly check for floating point numbers if (!empty($atom_structure['sample_description_table'][$i]['width']) && !empty($atom_structure['sample_description_table'][$i]['height'])) { // assume that values stored here are more important than values stored in [tkhd] atom $info['video']['resolution_x'] = $atom_structure['sample_description_table'][$i]['width']; $info['video']['resolution_y'] = $atom_structure['sample_description_table'][$i]['height']; $info['quicktime']['video']['resolution_x'] = $info['video']['resolution_x']; $info['quicktime']['video']['resolution_y'] = $info['video']['resolution_y']; } break; case 'qtvr': $info['video']['dataformat'] = 'quicktimevr'; break; case 'mp4a': default: $info['quicktime']['audio']['codec'] = $this->QuicktimeAudioCodecLookup($atom_structure['sample_description_table'][$i]['data_format']); $info['quicktime']['audio']['sample_rate'] = $atom_structure['sample_description_table'][$i]['audio_sample_rate']; $info['quicktime']['audio']['channels'] = $atom_structure['sample_description_table'][$i]['audio_channels']; $info['quicktime']['audio']['bit_depth'] = $atom_structure['sample_description_table'][$i]['audio_bit_depth']; $info['audio']['codec'] = $info['quicktime']['audio']['codec']; $info['audio']['sample_rate'] = $info['quicktime']['audio']['sample_rate']; $info['audio']['channels'] = $info['quicktime']['audio']['channels']; $info['audio']['bits_per_sample'] = $info['quicktime']['audio']['bit_depth']; switch ($atom_structure['sample_description_table'][$i]['data_format']) { case 'raw ': // PCM // PCM case 'alac': // Apple Lossless Audio Codec $info['audio']['lossless'] = true; break; default: $info['audio']['lossless'] = false; break; } break; } break; default: switch ($atom_structure['sample_description_table'][$i]['data_format']) { case 'mp4s': $info['fileformat'] = 'mp4'; break; default: // video atom $atom_structure['sample_description_table'][$i]['video_temporal_quality'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 8, 4)); $atom_structure['sample_description_table'][$i]['video_spatial_quality'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 12, 4)); $atom_structure['sample_description_table'][$i]['video_frame_width'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 16, 2)); $atom_structure['sample_description_table'][$i]['video_frame_height'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 18, 2)); $atom_structure['sample_description_table'][$i]['video_resolution_x'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 20, 4)); $atom_structure['sample_description_table'][$i]['video_resolution_y'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 24, 4)); $atom_structure['sample_description_table'][$i]['video_data_size'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 28, 4)); $atom_structure['sample_description_table'][$i]['video_frame_count'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 32, 2)); $atom_structure['sample_description_table'][$i]['video_encoder_name_len'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 34, 1)); $atom_structure['sample_description_table'][$i]['video_encoder_name'] = substr($atom_structure['sample_description_table'][$i]['data'], 35, $atom_structure['sample_description_table'][$i]['video_encoder_name_len']); $atom_structure['sample_description_table'][$i]['video_pixel_color_depth'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 66, 2)); $atom_structure['sample_description_table'][$i]['video_color_table_id'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 68, 2)); $atom_structure['sample_description_table'][$i]['video_pixel_color_type'] = $atom_structure['sample_description_table'][$i]['video_pixel_color_depth'] > 32 ? 'grayscale' : 'color'; $atom_structure['sample_description_table'][$i]['video_pixel_color_name'] = $this->QuicktimeColorNameLookup($atom_structure['sample_description_table'][$i]['video_pixel_color_depth']); if ($atom_structure['sample_description_table'][$i]['video_pixel_color_name'] != 'invalid') { $info['quicktime']['video']['codec_fourcc'] = $atom_structure['sample_description_table'][$i]['data_format']; $info['quicktime']['video']['codec_fourcc_lookup'] = $this->QuicktimeVideoCodecLookup($atom_structure['sample_description_table'][$i]['data_format']); $info['quicktime']['video']['codec'] = $atom_structure['sample_description_table'][$i]['video_encoder_name_len'] > 0 ? $atom_structure['sample_description_table'][$i]['video_encoder_name'] : $atom_structure['sample_description_table'][$i]['data_format']; $info['quicktime']['video']['color_depth'] = $atom_structure['sample_description_table'][$i]['video_pixel_color_depth']; $info['quicktime']['video']['color_depth_name'] = $atom_structure['sample_description_table'][$i]['video_pixel_color_name']; $info['video']['codec'] = $info['quicktime']['video']['codec']; $info['video']['bits_per_sample'] = $info['quicktime']['video']['color_depth']; } $info['video']['lossless'] = false; $info['video']['pixel_aspect_ratio'] = (double) 1; break; } break; } switch (strtolower($atom_structure['sample_description_table'][$i]['data_format'])) { case 'mp4a': $info['audio']['dataformat'] = 'mp4'; $info['quicktime']['audio']['codec'] = 'mp4'; break; case '3ivx': case '3iv1': case '3iv2': $info['video']['dataformat'] = '3ivx'; break; case 'xvid': $info['video']['dataformat'] = 'xvid'; break; case 'mp4v': $info['video']['dataformat'] = 'mpeg4'; break; case 'divx': case 'div1': case 'div2': case 'div3': case 'div4': case 'div5': case 'div6': $info['video']['dataformat'] = 'divx'; break; default: // do nothing break; } unset($atom_structure['sample_description_table'][$i]['data']); } break; case 'stts': // Sample Table Time-to-Sample atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $sttsEntriesDataOffset = 8; //$FrameRateCalculatorArray = array(); $frames_count = 0; for ($i = 0; $i < $atom_structure['number_entries']; $i++) { $atom_structure['time_to_sample_table'][$i]['sample_count'] = getid3_lib::BigEndian2Int(substr($atom_data, $sttsEntriesDataOffset, 4)); $sttsEntriesDataOffset += 4; $atom_structure['time_to_sample_table'][$i]['sample_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, $sttsEntriesDataOffset, 4)); $sttsEntriesDataOffset += 4; $frames_count += $atom_structure['time_to_sample_table'][$i]['sample_count']; // THIS SECTION REPLACED WITH CODE IN "stbl" ATOM //if (!empty($info['quicktime']['time_scale']) && ($atom_structure['time_to_sample_table'][$i]['sample_duration'] > 0)) { // $stts_new_framerate = $info['quicktime']['time_scale'] / $atom_structure['time_to_sample_table'][$i]['sample_duration']; // if ($stts_new_framerate <= 60) { // // some atoms have durations of "1" giving a very large framerate, which probably is not right // $info['video']['frame_rate'] = max($info['video']['frame_rate'], $stts_new_framerate); // } //} // //$FrameRateCalculatorArray[($info['quicktime']['time_scale'] / $atom_structure['time_to_sample_table'][$i]['sample_duration'])] += $atom_structure['time_to_sample_table'][$i]['sample_count']; } $info['quicktime']['stts_framecount'][] = $frames_count; //$sttsFramesTotal = 0; //$sttsSecondsTotal = 0; //foreach ($FrameRateCalculatorArray as $frames_per_second => $frame_count) { // if (($frames_per_second > 60) || ($frames_per_second < 1)) { // // not video FPS information, probably audio information // $sttsFramesTotal = 0; // $sttsSecondsTotal = 0; // break; // } // $sttsFramesTotal += $frame_count; // $sttsSecondsTotal += $frame_count / $frames_per_second; //} //if (($sttsFramesTotal > 0) && ($sttsSecondsTotal > 0)) { // if (($sttsFramesTotal / $sttsSecondsTotal) > $info['video']['frame_rate']) { // $info['video']['frame_rate'] = $sttsFramesTotal / $sttsSecondsTotal; // } //} break; case 'stss': // Sample Table Sync Sample (key frames) atom if ($ParseAllPossibleAtoms) { $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $stssEntriesDataOffset = 8; for ($i = 0; $i < $atom_structure['number_entries']; $i++) { $atom_structure['time_to_sample_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stssEntriesDataOffset, 4)); $stssEntriesDataOffset += 4; } } break; case 'stsc': // Sample Table Sample-to-Chunk atom if ($ParseAllPossibleAtoms) { $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $stscEntriesDataOffset = 8; for ($i = 0; $i < $atom_structure['number_entries']; $i++) { $atom_structure['sample_to_chunk_table'][$i]['first_chunk'] = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4)); $stscEntriesDataOffset += 4; $atom_structure['sample_to_chunk_table'][$i]['samples_per_chunk'] = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4)); $stscEntriesDataOffset += 4; $atom_structure['sample_to_chunk_table'][$i]['sample_description'] = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4)); $stscEntriesDataOffset += 4; } } break; case 'stsz': // Sample Table SiZe atom if ($ParseAllPossibleAtoms) { $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['sample_size'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); $stszEntriesDataOffset = 12; if ($atom_structure['sample_size'] == 0) { for ($i = 0; $i < $atom_structure['number_entries']; $i++) { $atom_structure['sample_size_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stszEntriesDataOffset, 4)); $stszEntriesDataOffset += 4; } } } break; case 'stco': // Sample Table Chunk Offset atom if ($ParseAllPossibleAtoms) { $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $stcoEntriesDataOffset = 8; for ($i = 0; $i < $atom_structure['number_entries']; $i++) { $atom_structure['chunk_offset_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stcoEntriesDataOffset, 4)); $stcoEntriesDataOffset += 4; } } break; case 'co64': // Chunk Offset 64-bit (version of "stco" that supports > 2GB files) if ($ParseAllPossibleAtoms) { $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $stcoEntriesDataOffset = 8; for ($i = 0; $i < $atom_structure['number_entries']; $i++) { $atom_structure['chunk_offset_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stcoEntriesDataOffset, 8)); $stcoEntriesDataOffset += 8; } } break; case 'dref': // Data REFerence atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $drefDataOffset = 8; for ($i = 0; $i < $atom_structure['number_entries']; $i++) { $atom_structure['data_references'][$i]['size'] = getid3_lib::BigEndian2Int(substr($atom_data, $drefDataOffset, 4)); $drefDataOffset += 4; $atom_structure['data_references'][$i]['type'] = substr($atom_data, $drefDataOffset, 4); $drefDataOffset += 4; $atom_structure['data_references'][$i]['version'] = getid3_lib::BigEndian2Int(substr($atom_data, $drefDataOffset, 1)); $drefDataOffset += 1; $atom_structure['data_references'][$i]['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, $drefDataOffset, 3)); // hardcoded: 0x0000 $drefDataOffset += 3; $atom_structure['data_references'][$i]['data'] = substr($atom_data, $drefDataOffset, $atom_structure['data_references'][$i]['size'] - 4 - 4 - 1 - 3); $drefDataOffset += $atom_structure['data_references'][$i]['size'] - 4 - 4 - 1 - 3; $atom_structure['data_references'][$i]['flags']['self_reference'] = (bool) ($atom_structure['data_references'][$i]['flags_raw'] & 0x1); } break; case 'gmin': // base Media INformation atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['graphics_mode'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); $atom_structure['opcolor_red'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2)); $atom_structure['opcolor_green'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 2)); $atom_structure['opcolor_blue'] = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2)); $atom_structure['balance'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 2)); $atom_structure['reserved'] = getid3_lib::BigEndian2Int(substr($atom_data, 14, 2)); break; case 'smhd': // Sound Media information HeaDer atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['balance'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); $atom_structure['reserved'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2)); break; case 'vmhd': // Video Media information HeaDer atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); $atom_structure['graphics_mode'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); $atom_structure['opcolor_red'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2)); $atom_structure['opcolor_green'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 2)); $atom_structure['opcolor_blue'] = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2)); $atom_structure['flags']['no_lean_ahead'] = (bool) ($atom_structure['flags_raw'] & 0x1); break; case 'hdlr': // HanDLeR reference atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['component_type'] = substr($atom_data, 4, 4); $atom_structure['component_subtype'] = substr($atom_data, 8, 4); $atom_structure['component_manufacturer'] = substr($atom_data, 12, 4); $atom_structure['component_flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); $atom_structure['component_flags_mask'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 4)); $atom_structure['component_name'] = $this->Pascal2String(substr($atom_data, 24)); if ($atom_structure['component_subtype'] == 'STpn' && $atom_structure['component_manufacturer'] == 'zzzz') { $info['video']['dataformat'] = 'quicktimevr'; } break; case 'mdhd': // MeDia HeaDer atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['creation_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $atom_structure['modify_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); $atom_structure['time_scale'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); $atom_structure['duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); $atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 2)); $atom_structure['quality'] = getid3_lib::BigEndian2Int(substr($atom_data, 22, 2)); if ($atom_structure['time_scale'] == 0) { $info['error'][] = 'Corrupt Quicktime file: mdhd.time_scale == zero'; return false; } $info['quicktime']['time_scale'] = isset($info['quicktime']['time_scale']) ? max($info['quicktime']['time_scale'], $atom_structure['time_scale']) : $atom_structure['time_scale']; $atom_structure['creation_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['creation_time']); $atom_structure['modify_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['modify_time']); $atom_structure['playtime_seconds'] = $atom_structure['duration'] / $atom_structure['time_scale']; $atom_structure['language'] = $this->QuicktimeLanguageLookup($atom_structure['language_id']); if (empty($info['comments']['language']) || !in_array($atom_structure['language'], $info['comments']['language'])) { $info['comments']['language'][] = $atom_structure['language']; } break; case 'pnot': // Preview atom $atom_structure['modification_date'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); // "standard Macintosh format" $atom_structure['version_number'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); // hardcoded: 0x00 $atom_structure['atom_type'] = substr($atom_data, 6, 4); // usually: 'PICT' $atom_structure['atom_index'] = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2)); // usually: 0x01 $atom_structure['modification_date_unix'] = getid3_lib::DateMac2Unix($atom_structure['modification_date']); break; case 'crgn': // Clipping ReGioN atom $atom_structure['region_size'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2)); // The Region size, Region boundary box, $atom_structure['boundary_box'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 8)); // and Clipping region data fields $atom_structure['clipping_data'] = substr($atom_data, 10); // constitute a QuickDraw region. break; case 'load': // track LOAD settings atom $atom_structure['preload_start_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); $atom_structure['preload_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $atom_structure['preload_flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); $atom_structure['default_hints_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); $atom_structure['default_hints']['double_buffer'] = (bool) ($atom_structure['default_hints_raw'] & 0x20); $atom_structure['default_hints']['high_quality'] = (bool) ($atom_structure['default_hints_raw'] & 0x100); break; case 'tmcd': // TiMe CoDe atom // TiMe CoDe atom case 'chap': // CHAPter list atom // CHAPter list atom case 'sync': // SYNChronization atom // SYNChronization atom case 'scpt': // tranSCriPT atom // tranSCriPT atom case 'ssrc': // non-primary SouRCe atom for ($i = 0; $i < strlen($atom_data); $i += 4) { @($atom_structure['track_id'][] = getid3_lib::BigEndian2Int(substr($atom_data, $i, 4))); } break; case 'elst': // Edit LiST atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); for ($i = 0; $i < $atom_structure['number_entries']; $i++) { $atom_structure['edit_list'][$i]['track_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + $i * 12 + 0, 4)); $atom_structure['edit_list'][$i]['media_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + $i * 12 + 4, 4)); $atom_structure['edit_list'][$i]['media_rate'] = getid3_lib::FixedPoint16_16(substr($atom_data, 8 + $i * 12 + 8, 4)); } break; case 'kmat': // compressed MATte atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['matte_data_raw'] = substr($atom_data, 4); break; case 'ctab': // Color TABle atom $atom_structure['color_table_seed'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); // hardcoded: 0x00000000 $atom_structure['color_table_flags'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); // hardcoded: 0x8000 $atom_structure['color_table_size'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2)) + 1; for ($colortableentry = 0; $colortableentry < $atom_structure['color_table_size']; $colortableentry++) { $atom_structure['color_table'][$colortableentry]['alpha'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + $colortableentry * 8 + 0, 2)); $atom_structure['color_table'][$colortableentry]['red'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + $colortableentry * 8 + 2, 2)); $atom_structure['color_table'][$colortableentry]['green'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + $colortableentry * 8 + 4, 2)); $atom_structure['color_table'][$colortableentry]['blue'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + $colortableentry * 8 + 6, 2)); } break; case 'mvhd': // MoVie HeaDer atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); $atom_structure['creation_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $atom_structure['modify_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); $atom_structure['time_scale'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); $atom_structure['duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); $atom_structure['preferred_rate'] = getid3_lib::FixedPoint16_16(substr($atom_data, 20, 4)); $atom_structure['preferred_volume'] = getid3_lib::FixedPoint8_8(substr($atom_data, 24, 2)); $atom_structure['reserved'] = substr($atom_data, 26, 10); $atom_structure['matrix_a'] = getid3_lib::FixedPoint16_16(substr($atom_data, 36, 4)); $atom_structure['matrix_b'] = getid3_lib::FixedPoint16_16(substr($atom_data, 40, 4)); $atom_structure['matrix_u'] = getid3_lib::FixedPoint2_30(substr($atom_data, 44, 4)); $atom_structure['matrix_c'] = getid3_lib::FixedPoint16_16(substr($atom_data, 48, 4)); $atom_structure['matrix_d'] = getid3_lib::FixedPoint16_16(substr($atom_data, 52, 4)); $atom_structure['matrix_v'] = getid3_lib::FixedPoint2_30(substr($atom_data, 56, 4)); $atom_structure['matrix_x'] = getid3_lib::FixedPoint16_16(substr($atom_data, 60, 4)); $atom_structure['matrix_y'] = getid3_lib::FixedPoint16_16(substr($atom_data, 64, 4)); $atom_structure['matrix_w'] = getid3_lib::FixedPoint2_30(substr($atom_data, 68, 4)); $atom_structure['preview_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 72, 4)); $atom_structure['preview_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 76, 4)); $atom_structure['poster_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 80, 4)); $atom_structure['selection_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 84, 4)); $atom_structure['selection_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 88, 4)); $atom_structure['current_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 92, 4)); $atom_structure['next_track_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 96, 4)); if ($atom_structure['time_scale'] == 0) { $info['error'][] = 'Corrupt Quicktime file: mvhd.time_scale == zero'; return false; } $atom_structure['creation_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['creation_time']); $atom_structure['modify_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['modify_time']); $info['quicktime']['time_scale'] = isset($info['quicktime']['time_scale']) ? max($info['quicktime']['time_scale'], $atom_structure['time_scale']) : $atom_structure['time_scale']; $info['quicktime']['display_scale'] = $atom_structure['matrix_a']; $info['playtime_seconds'] = $atom_structure['duration'] / $atom_structure['time_scale']; break; case 'tkhd': // TracK HeaDer atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); $atom_structure['creation_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $atom_structure['modify_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); $atom_structure['trackid'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); $atom_structure['reserved1'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); $atom_structure['duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 4)); $atom_structure['reserved2'] = getid3_lib::BigEndian2Int(substr($atom_data, 24, 8)); $atom_structure['layer'] = getid3_lib::BigEndian2Int(substr($atom_data, 32, 2)); $atom_structure['alternate_group'] = getid3_lib::BigEndian2Int(substr($atom_data, 34, 2)); $atom_structure['volume'] = getid3_lib::FixedPoint8_8(substr($atom_data, 36, 2)); $atom_structure['reserved3'] = getid3_lib::BigEndian2Int(substr($atom_data, 38, 2)); // http://developer.apple.com/library/mac/#documentation/QuickTime/RM/MovieBasics/MTEditing/K-Chapter/11MatrixFunctions.html // http://developer.apple.com/library/mac/#documentation/QuickTime/qtff/QTFFChap4/qtff4.html#//apple_ref/doc/uid/TP40000939-CH206-18737 $atom_structure['matrix_a'] = getid3_lib::FixedPoint16_16(substr($atom_data, 40, 4)); $atom_structure['matrix_b'] = getid3_lib::FixedPoint16_16(substr($atom_data, 44, 4)); $atom_structure['matrix_u'] = getid3_lib::FixedPoint2_30(substr($atom_data, 48, 4)); $atom_structure['matrix_c'] = getid3_lib::FixedPoint16_16(substr($atom_data, 52, 4)); $atom_structure['matrix_d'] = getid3_lib::FixedPoint16_16(substr($atom_data, 56, 4)); $atom_structure['matrix_v'] = getid3_lib::FixedPoint2_30(substr($atom_data, 60, 4)); $atom_structure['matrix_x'] = getid3_lib::FixedPoint16_16(substr($atom_data, 64, 4)); $atom_structure['matrix_y'] = getid3_lib::FixedPoint16_16(substr($atom_data, 68, 4)); $atom_structure['matrix_w'] = getid3_lib::FixedPoint2_30(substr($atom_data, 72, 4)); $atom_structure['width'] = getid3_lib::FixedPoint16_16(substr($atom_data, 76, 4)); $atom_structure['height'] = getid3_lib::FixedPoint16_16(substr($atom_data, 80, 4)); $atom_structure['flags']['enabled'] = (bool) ($atom_structure['flags_raw'] & 0x1); $atom_structure['flags']['in_movie'] = (bool) ($atom_structure['flags_raw'] & 0x2); $atom_structure['flags']['in_preview'] = (bool) ($atom_structure['flags_raw'] & 0x4); $atom_structure['flags']['in_poster'] = (bool) ($atom_structure['flags_raw'] & 0x8); $atom_structure['creation_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['creation_time']); $atom_structure['modify_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['modify_time']); if ($atom_structure['flags']['enabled'] == 1) { if (!isset($info['video']['resolution_x']) || !isset($info['video']['resolution_y'])) { $info['video']['resolution_x'] = $atom_structure['width']; $info['video']['resolution_y'] = $atom_structure['height']; } $info['video']['resolution_x'] = max($info['video']['resolution_x'], $atom_structure['width']); $info['video']['resolution_y'] = max($info['video']['resolution_y'], $atom_structure['height']); $info['quicktime']['video']['resolution_x'] = $info['video']['resolution_x']; $info['quicktime']['video']['resolution_y'] = $info['video']['resolution_y']; } else { // see: http://www.getid3.org/phpBB3/viewtopic.php?t=1295 //if (isset($info['video']['resolution_x'])) { unset($info['video']['resolution_x']); } //if (isset($info['video']['resolution_y'])) { unset($info['video']['resolution_y']); } //if (isset($info['quicktime']['video'])) { unset($info['quicktime']['video']); } } break; case 'iods': // Initial Object DeScriptor atom // http://www.koders.com/c/fid1FAB3E762903DC482D8A246D4A4BF9F28E049594.aspx?s=windows.h // http://libquicktime.sourcearchive.com/documentation/1.0.2plus-pdebian/iods_8c-source.html $offset = 0; $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); $offset += 1; $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 3)); $offset += 3; $atom_structure['mp4_iod_tag'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); $offset += 1; $atom_structure['length'] = $this->quicktime_read_mp4_descr_length($atom_data, $offset); //$offset already adjusted by quicktime_read_mp4_descr_length() $atom_structure['object_descriptor_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 2)); $offset += 2; $atom_structure['od_profile_level'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); $offset += 1; $atom_structure['scene_profile_level'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); $offset += 1; $atom_structure['audio_profile_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); $offset += 1; $atom_structure['video_profile_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); $offset += 1; $atom_structure['graphics_profile_level'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); $offset += 1; $atom_structure['num_iods_tracks'] = ($atom_structure['length'] - 7) / 6; // 6 bytes would only be right if all tracks use 1-byte length fields for ($i = 0; $i < $atom_structure['num_iods_tracks']; $i++) { $atom_structure['track'][$i]['ES_ID_IncTag'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); $offset += 1; $atom_structure['track'][$i]['length'] = $this->quicktime_read_mp4_descr_length($atom_data, $offset); //$offset already adjusted by quicktime_read_mp4_descr_length() $atom_structure['track'][$i]['track_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 4)); $offset += 4; } $atom_structure['audio_profile_name'] = $this->QuicktimeIODSaudioProfileName($atom_structure['audio_profile_id']); $atom_structure['video_profile_name'] = $this->QuicktimeIODSvideoProfileName($atom_structure['video_profile_id']); break; case 'ftyp': // FileTYPe (?) atom (for MP4 it seems) $atom_structure['signature'] = substr($atom_data, 0, 4); $atom_structure['unknown_1'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $atom_structure['fourcc'] = substr($atom_data, 8, 4); break; case 'mdat': // Media DATa atom // 'mdat' contains the actual data for the audio/video, possibly also subtitles /* due to lack of known documentation, this is a kludge implementation. If you know of documentation on how mdat is properly structed, please send it to info@getid3.org */ // first, skip any 'wide' padding, and second 'mdat' header (with specified size of zero?) $mdat_offset = 0; while (true) { if (substr($atom_data, $mdat_offset, 8) == "" . 'wide') { $mdat_offset += 8; } elseif (substr($atom_data, $mdat_offset, 8) == "" . 'mdat') { $mdat_offset += 8; } else { break; } } // check to see if it looks like chapter titles, in the form of unterminated strings with a leading 16-bit size field while (($chapter_string_length = getid3_lib::BigEndian2Int(substr($atom_data, $mdat_offset, 2))) && $chapter_string_length < 1000 && $chapter_string_length <= strlen($atom_data) - $mdat_offset - 2 && preg_match('#^[\\x20-\\xFF]+$#', substr($atom_data, $mdat_offset + 2, $chapter_string_length), $chapter_matches)) { $mdat_offset += 2 + $chapter_string_length; @($info['quicktime']['comments']['chapters'][] = $chapter_matches[0]); } if ($atomsize > 8 && (!isset($info['avdataend_tmp']) || $info['quicktime'][$atomname]['size'] > $info['avdataend_tmp'] - $info['avdataoffset'])) { $info['avdataoffset'] = $atom_structure['offset'] + 8; // $info['quicktime'][$atomname]['offset'] + 8; $OldAVDataEnd = $info['avdataend']; $info['avdataend'] = $atom_structure['offset'] + $atom_structure['size']; // $info['quicktime'][$atomname]['offset'] + $info['quicktime'][$atomname]['size']; $getid3_temp = new getID3(); $getid3_temp->openfile($this->getid3->filename); $getid3_temp->info['avdataoffset'] = $info['avdataoffset']; $getid3_temp->info['avdataend'] = $info['avdataend']; $getid3_mp3 = new getid3_mp3($getid3_temp); if ($getid3_mp3->MPEGaudioHeaderValid($getid3_mp3->MPEGaudioHeaderDecode($this->fread(4)))) { $getid3_mp3->getOnlyMPEGaudioInfo($getid3_temp->info['avdataoffset'], false); if (!empty($getid3_temp->info['warning'])) { foreach ($getid3_temp->info['warning'] as $value) { $info['warning'][] = $value; } } if (!empty($getid3_temp->info['mpeg'])) { $info['mpeg'] = $getid3_temp->info['mpeg']; if (isset($info['mpeg']['audio'])) { $info['audio']['dataformat'] = 'mp3'; $info['audio']['codec'] = !empty($info['mpeg']['audio']['encoder']) ? $info['mpeg']['audio']['encoder'] : (!empty($info['mpeg']['audio']['codec']) ? $info['mpeg']['audio']['codec'] : (!empty($info['mpeg']['audio']['LAME']) ? 'LAME' : 'mp3')); $info['audio']['sample_rate'] = $info['mpeg']['audio']['sample_rate']; $info['audio']['channels'] = $info['mpeg']['audio']['channels']; $info['audio']['bitrate'] = $info['mpeg']['audio']['bitrate']; $info['audio']['bitrate_mode'] = strtolower($info['mpeg']['audio']['bitrate_mode']); $info['bitrate'] = $info['audio']['bitrate']; } } } unset($getid3_mp3, $getid3_temp); $info['avdataend'] = $OldAVDataEnd; unset($OldAVDataEnd); } unset($mdat_offset, $chapter_string_length, $chapter_matches); break; case 'free': // FREE space atom // FREE space atom case 'skip': // SKIP atom // SKIP atom case 'wide': // 64-bit expansion placeholder atom // 'free', 'skip' and 'wide' are just padding, contains no useful data at all // When writing QuickTime files, it is sometimes necessary to update an atom's size. // It is impossible to update a 32-bit atom to a 64-bit atom since the 32-bit atom // is only 8 bytes in size, and the 64-bit atom requires 16 bytes. Therefore, QuickTime // puts an 8-byte placeholder atom before any atoms it may have to update the size of. // In this way, if the atom needs to be converted from a 32-bit to a 64-bit atom, the // placeholder atom can be overwritten to obtain the necessary 8 extra bytes. // The placeholder atom has a type of kWideAtomPlaceholderType ( 'wide' ). break; case 'nsav': // NoSAVe atom // http://developer.apple.com/technotes/tn/tn2038.html $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); break; case 'ctyp': // Controller TYPe atom (seen on QTVR) // http://homepages.slingshot.co.nz/~helmboy/quicktime/formats/qtm-layout.txt // some controller names are: // 0x00 + 'std' for linear movie // 'none' for no controls $atom_structure['ctyp'] = substr($atom_data, 0, 4); $info['quicktime']['controller'] = $atom_structure['ctyp']; switch ($atom_structure['ctyp']) { case 'qtvr': $info['video']['dataformat'] = 'quicktimevr'; break; } break; case 'pano': // PANOrama track (seen on QTVR) $atom_structure['pano'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); break; case 'hint': // HINT track // HINT track case 'hinf': // // case 'hinv': // // case 'hnti': // $info['quicktime']['hinting'] = true; break; case 'imgt': // IMaGe Track reference (kQTVRImageTrackRefType) (seen on QTVR) for ($i = 0; $i < $atom_structure['size'] - 8; $i += 4) { $atom_structure['imgt'][] = getid3_lib::BigEndian2Int(substr($atom_data, $i, 4)); } break; // Observed-but-not-handled atom types are just listed here to prevent warnings being generated // Observed-but-not-handled atom types are just listed here to prevent warnings being generated case 'FXTC': // Something to do with Adobe After Effects (?) // Something to do with Adobe After Effects (?) case 'PrmA': case 'code': case 'FIEL': // this is NOT "fiel" (Field Ordering) as describe here: http://developer.apple.com/documentation/QuickTime/QTFF/QTFFChap3/chapter_4_section_2.html // this is NOT "fiel" (Field Ordering) as describe here: http://developer.apple.com/documentation/QuickTime/QTFF/QTFFChap3/chapter_4_section_2.html case 'tapt': // TrackApertureModeDimensionsAID - http://developer.apple.com/documentation/QuickTime/Reference/QT7-1_Update_Reference/Constants/Constants.html // tapt seems to be used to compute the video size [http://www.getid3.org/phpBB3/viewtopic.php?t=838] // * http://lists.apple.com/archives/quicktime-api/2006/Aug/msg00014.html // * http://handbrake.fr/irclogs/handbrake-dev/handbrake-dev20080128_pg2.html // TrackApertureModeDimensionsAID - http://developer.apple.com/documentation/QuickTime/Reference/QT7-1_Update_Reference/Constants/Constants.html // tapt seems to be used to compute the video size [http://www.getid3.org/phpBB3/viewtopic.php?t=838] // * http://lists.apple.com/archives/quicktime-api/2006/Aug/msg00014.html // * http://handbrake.fr/irclogs/handbrake-dev/handbrake-dev20080128_pg2.html case 'ctts': // STCompositionOffsetAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html // STCompositionOffsetAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html case 'cslg': // STCompositionShiftLeastGreatestAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html // STCompositionShiftLeastGreatestAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html case 'sdtp': // STSampleDependencyAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html // STSampleDependencyAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html case 'stps': // STPartialSyncSampleAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html //$atom_structure['data'] = $atom_data; break; case "©" . 'xyz': // GPS latitude+longitude+altitude $atom_structure['data'] = $atom_data; if (preg_match('#([\\+\\-][0-9\\.]+)([\\+\\-][0-9\\.]+)([\\+\\-][0-9\\.]+)?/$#i', $atom_data, $matches)) { @(list($all, $latitude, $longitude, $altitude) = $matches); $info['quicktime']['comments']['gps_latitude'][] = floatval($latitude); $info['quicktime']['comments']['gps_longitude'][] = floatval($longitude); if (!empty($altitude)) { $info['quicktime']['comments']['gps_altitude'][] = floatval($altitude); } } else { $info['warning'][] = 'QuickTime atom "©xyz" data does not match expected data pattern at offset ' . $baseoffset . '. Please report as getID3() bug.'; } break; case 'NCDT': // http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html // Nikon-specific QuickTime tags found in the NCDT atom of MOV videos from some Nikon cameras such as the Coolpix S8000 and D5100 $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 4, $atomHierarchy, $ParseAllPossibleAtoms); break; case 'NCTH': // Nikon Camera THumbnail image // Nikon Camera THumbnail image case 'NCVW': // Nikon Camera preVieW image // http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html if (preg_match('/^\\xFF\\xD8\\xFF/', $atom_data)) { $atom_structure['data'] = $atom_data; $atom_structure['image_mime'] = 'image/jpeg'; $atom_structure['description'] = $atomname == 'NCTH' ? 'Nikon Camera Thumbnail Image' : ($atomname == 'NCVW' ? 'Nikon Camera Preview Image' : 'Nikon preview image'); $info['quicktime']['comments']['picture'][] = array('image_mime' => $atom_structure['image_mime'], 'data' => $atom_data, 'description' => $atom_structure['description']); } break; case 'NCTG': // Nikon - http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html#NCTG $atom_structure['data'] = $this->QuicktimeParseNikonNCTG($atom_data); break; case 'NCHD': // Nikon:MakerNoteVersion - http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html // Nikon:MakerNoteVersion - http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html case 'NCDB': // Nikon - http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html // Nikon - http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Nikon.html case 'CNCV': // Canon:CompressorVersion - http://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/Canon.html $atom_structure['data'] = $atom_data; break; case "": case 'meta': // METAdata atom // some kind of metacontainer, may contain a big data dump such as: // mdta keys mdtacom.apple.quicktime.make (mdtacom.apple.quicktime.creationdate ,mdtacom.apple.quicktime.location.ISO6709 $mdtacom.apple.quicktime.software !mdtacom.apple.quicktime.model ilst data DEApple 0 (data DE2011-05-11T17:54:04+0200 2 *data DE+52.4936+013.3897+040.247/ data DE4.3.1 data DEiPhone 4 // http://www.geocities.com/xhelmboyx/quicktime/formats/qti-layout.txt $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom(substr($atom_data, 4), $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); //$atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); break; case 'data': // metaDATA atom // seems to be 2 bytes language code (ASCII), 2 bytes unknown (set to 0x10B5 in sample I have), remainder is useful data $atom_structure['language'] = substr($atom_data, 4 + 0, 2); $atom_structure['unknown'] = getid3_lib::BigEndian2Int(substr($atom_data, 4 + 2, 2)); $atom_structure['data'] = substr($atom_data, 4 + 4); break; default: $info['warning'][] = 'Unknown QuickTime atom type: "' . $atomname . '" (' . trim(getid3_lib::PrintHexBytes($atomname)) . ') at offset ' . $baseoffset; $atom_structure['data'] = $atom_data; break; } array_pop($atomHierarchy); return $atom_structure; }
function QuicktimeParseAtom($atomname, $atomsize, $atom_data, &$ThisFileInfo, $baseoffset, &$atomHierarchy, $ParseAllPossibleAtoms) { // http://developer.apple.com/techpubs/quicktime/qtdevdocs/APIREF/INDEX/atomalphaindex.htm $atomparent = array_pop($atomHierarchy); array_push($atomHierarchy, $atomname); $atom_structure['hierarchy'] = implode(' ', $atomHierarchy); $atom_structure['name'] = $atomname; $atom_structure['size'] = $atomsize; $atom_structure['offset'] = $baseoffset; switch ($atomname) { case 'moov': // MOVie container atom // MOVie container atom case 'trak': // TRAcK container atom // TRAcK container atom case 'clip': // CLIPping container atom // CLIPping container atom case 'matt': // track MATTe container atom // track MATTe container atom case 'edts': // EDiTS container atom // EDiTS container atom case 'tref': // Track REFerence container atom // Track REFerence container atom case 'mdia': // MeDIA container atom // MeDIA container atom case 'minf': // Media INFormation container atom // Media INFormation container atom case 'dinf': // Data INFormation container atom // Data INFormation container atom case 'udta': // User DaTA container atom // User DaTA container atom case 'cmov': // Compressed MOVie container atom // Compressed MOVie container atom case 'rmra': // Reference Movie Record Atom // Reference Movie Record Atom case 'rmda': // Reference Movie Descriptor Atom // Reference Movie Descriptor Atom case 'gmhd': // Generic Media info HeaDer atom (seen on QTVR) // Generic Media info HeaDer atom (seen on QTVR) case 'ilst': // Item LiST container atom $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $ThisFileInfo, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); break; case 'stbl': // Sample TaBLe container atom $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($atom_data, $ThisFileInfo, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); $isVideo = false; $framerate = 0; $framecount = 0; foreach ($atom_structure['subatoms'] as $key => $value_array) { if (isset($value_array['sample_description_table'])) { foreach ($value_array['sample_description_table'] as $key2 => $value_array2) { if (isset($value_array2['data_format'])) { switch ($value_array2['data_format']) { case 'avc1': case 'mp4v': // video data $isVideo = true; break; case 'mp4a': // audio data break; } } } } elseif (isset($value_array['time_to_sample_table'])) { foreach ($value_array['time_to_sample_table'] as $key2 => $value_array2) { if (isset($value_array2['sample_count']) && isset($value_array2['sample_duration']) && $value_array2['sample_duration'] > 0) { $framerate = round($ThisFileInfo['quicktime']['time_scale'] / $value_array2['sample_duration'], 3); $framecount = $value_array2['sample_count']; } } } } if ($isVideo && $framerate) { $ThisFileInfo['quicktime']['video']['frame_rate'] = $framerate; $ThisFileInfo['video']['frame_rate'] = $ThisFileInfo['quicktime']['video']['frame_rate']; } if ($isVideo && $framecount) { $ThisFileInfo['quicktime']['video']['frame_count'] = $framecount; } break; case 'aART': // Album ARTist // Album ARTist case 'catg': // CaTeGory // CaTeGory case 'covr': // COVeR artwork // COVeR artwork case 'cpil': // ComPILation // ComPILation case 'cprt': // CoPyRighT // CoPyRighT case 'desc': // DESCription // DESCription case 'disk': // DISK number // DISK number case 'egid': // Episode Global ID // Episode Global ID case 'gnre': // GeNRE // GeNRE case 'keyw': // KEYWord // KEYWord case 'ldes': case 'pcst': // PodCaST // PodCaST case 'pgap': // GAPless Playback // GAPless Playback case 'purd': // PURchase Date // PURchase Date case 'purl': // Podcast URL // Podcast URL case 'rati': case 'rndu': case 'rpdu': case 'rtng': // RaTiNG // RaTiNG case 'stik': case 'tmpo': // TeMPO (BPM) // TeMPO (BPM) case 'trkn': // TRacK Number // TRacK Number case 'tves': // TV EpiSode // TV EpiSode case 'tvnn': // TV Network Name // TV Network Name case 'tvsh': // TV SHow Name // TV SHow Name case 'tvsn': // TV SeasoN // TV SeasoN case 'akID': // iTunes store account type // iTunes store account type case 'apID': case 'atID': case 'cmID': case 'cnID': case 'geID': case 'plID': case 'sfID': // iTunes store country // iTunes store country case '©alb': // ALBum // ALBum case '©art': // ARTist // ARTist case '©ART': case '©aut': case '©cmt': // CoMmenT // CoMmenT case '©com': // COMposer // COMposer case '©cpy': case '©day': // content created year // content created year case '©dir': case '©ed1': case '©ed2': case '©ed3': case '©ed4': case '©ed5': case '©ed6': case '©ed7': case '©ed8': case '©ed9': case '©enc': case '©fmt': case '©gen': // GENre // GENre case '©grp': // GRouPing // GRouPing case '©hst': case '©inf': case '©lyr': // LYRics // LYRics case '©mak': case '©mod': case '©nam': // full NAMe // full NAMe case '©ope': case '©PRD': case '©prd': case '©prf': case '©req': case '©src': case '©swr': case '©too': // encoder // encoder case '©trk': // TRacK // TRacK case '©url': case '©wrn': case '©wrt': // WRiTer // WRiTer case '----': // itunes specific if ($atomparent == 'udta') { // User data atom handler $atom_structure['data_length'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2)); $atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2)); $atom_structure['data'] = substr($atom_data, 4); $atom_structure['language'] = $this->QuicktimeLanguageLookup($atom_structure['language_id']); if (empty($ThisFileInfo['comments']['language']) || !in_array($atom_structure['language'], $ThisFileInfo['comments']['language'])) { $ThisFileInfo['comments']['language'][] = $atom_structure['language']; } } else { // Apple item list box atom handler $atomoffset = 0; while ($atomoffset < strlen($atom_data)) { $boxsize = getid3_lib::BigEndian2Int(substr($atom_data, $atomoffset, 4)); $boxtype = substr($atom_data, $atomoffset + 4, 4); $boxdata = substr($atom_data, $atomoffset + 8, $boxsize - 8); switch ($boxtype) { case 'mean': case 'name': $atom_structure[$boxtype] = substr($boxdata, 4); break; case 'data': $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($boxdata, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($boxdata, 1, 3)); switch ($atom_structure['flags_raw']) { case 0: // data flag // data flag case 21: // tmpo/cpil flag switch ($atomname) { case 'cpil': case 'pcst': case 'pgap': $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1)); break; case 'tmpo': $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 2)); break; case 'disk': case 'trkn': $num = getid3_lib::BigEndian2Int(substr($boxdata, 10, 2)); $num_total = getid3_lib::BigEndian2Int(substr($boxdata, 12, 2)); $atom_structure['data'] = empty($num) ? '' : $num; $atom_structure['data'] .= empty($num_total) ? '' : '/' . $num_total; break; case 'gnre': $GenreID = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4)); $atom_structure['data'] = getid3_id3v1::LookupGenreName($GenreID - 1); break; case 'rtng': $atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1)); $atom_structure['data'] = $this->QuicktimeContentRatingLookup($atom_structure[$atomname]); break; case 'stik': $atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 1)); $atom_structure['data'] = $this->QuicktimeSTIKLookup($atom_structure[$atomname]); break; case 'sfID': $atom_structure[$atomname] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4)); $atom_structure['data'] = $this->QuicktimeStoreFrontCodeLookup($atom_structure[$atomname]); break; case 'egid': case 'purl': $atom_structure['data'] = substr($boxdata, 8); break; default: $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($boxdata, 8, 4)); } break; case 1: // text flag // text flag case 13: // image flag // image flag default: $atom_structure['data'] = substr($boxdata, 8); break; } break; default: $ThisFileInfo['warning'][] = 'Unknown QuickTime box type: "' . $boxtype . '" at offset ' . $baseoffset; $atom_structure['data'] = $atom_data; } $atomoffset += $boxsize; } } $this->CopyToAppropriateCommentsSection($atomname, $atom_structure['data'], $ThisFileInfo, $atom_structure['name']); break; case 'play': // auto-PLAY atom $atom_structure['autoplay'] = (bool) getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $ThisFileInfo['quicktime']['autoplay'] = $atom_structure['autoplay']; break; case 'WLOC': // Window LOCation atom $atom_structure['location_x'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2)); $atom_structure['location_y'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2)); break; case 'LOOP': // LOOPing atom // LOOPing atom case 'SelO': // play SELection Only atom // play SELection Only atom case 'AllF': // play ALL Frames atom $atom_structure['data'] = getid3_lib::BigEndian2Int($atom_data); break; case 'name': // // case 'MCPS': // Media Cleaner PRo // Media Cleaner PRo case '@PRM': // adobe PReMiere version // adobe PReMiere version case '@PRQ': // adobe PRemiere Quicktime version $atom_structure['data'] = $atom_data; break; case 'cmvd': // Compressed MooV Data atom // Code by ubergeekØubergeek*tv based on information from // http://developer.apple.com/quicktime/icefloe/dispatch012.html $atom_structure['unCompressedSize'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); $CompressedFileData = substr($atom_data, 4); ob_start(); if ($UncompressedHeader = gzuncompress($CompressedFileData)) { ob_end_clean(); $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom($UncompressedHeader, $ThisFileInfo, 0, $atomHierarchy, $ParseAllPossibleAtoms); } else { $errormessage = ob_get_contents(); ob_end_clean(); $ThisFileInfo['warning'][] = 'Error decompressing compressed MOV atom at offset ' . $atom_structure['offset']; } break; case 'dcom': // Data COMpression atom $atom_structure['compression_id'] = $atom_data; $atom_structure['compression_text'] = $this->QuicktimeDCOMLookup($atom_data); break; case 'rdrf': // Reference movie Data ReFerence atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); $atom_structure['flags']['internal_data'] = (bool) ($atom_structure['flags_raw'] & 0x1); $atom_structure['reference_type_name'] = substr($atom_data, 4, 4); $atom_structure['reference_length'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); switch ($atom_structure['reference_type_name']) { case 'url ': $atom_structure['url'] = $this->NoNullString(substr($atom_data, 12)); break; case 'alis': $atom_structure['file_alias'] = substr($atom_data, 12); break; case 'rsrc': $atom_structure['resource_alias'] = substr($atom_data, 12); break; default: $atom_structure['data'] = substr($atom_data, 12); break; } break; case 'rmqu': // Reference Movie QUality atom $atom_structure['movie_quality'] = getid3_lib::BigEndian2Int($atom_data); break; case 'rmcs': // Reference Movie Cpu Speed atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['cpu_speed_rating'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); break; case 'rmvc': // Reference Movie Version Check atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['gestalt_selector'] = substr($atom_data, 4, 4); $atom_structure['gestalt_value_mask'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); $atom_structure['gestalt_value'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); $atom_structure['gestalt_check_type'] = getid3_lib::BigEndian2Int(substr($atom_data, 14, 2)); break; case 'rmcd': // Reference Movie Component check atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['component_type'] = substr($atom_data, 4, 4); $atom_structure['component_subtype'] = substr($atom_data, 8, 4); $atom_structure['component_manufacturer'] = substr($atom_data, 12, 4); $atom_structure['component_flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); $atom_structure['component_flags_mask'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 4)); $atom_structure['component_min_version'] = getid3_lib::BigEndian2Int(substr($atom_data, 24, 4)); break; case 'rmdr': // Reference Movie Data Rate atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['data_rate'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $atom_structure['data_rate_bps'] = $atom_structure['data_rate'] * 10; break; case 'rmla': // Reference Movie Language Atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); $atom_structure['language'] = $this->QuicktimeLanguageLookup($atom_structure['language_id']); if (empty($ThisFileInfo['comments']['language']) || !in_array($atom_structure['language'], $ThisFileInfo['comments']['language'])) { $ThisFileInfo['comments']['language'][] = $atom_structure['language']; } break; case 'rmla': // Reference Movie Language Atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['track_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); break; case 'ptv ': // Print To Video - defines a movie's full screen mode // http://developer.apple.com/documentation/QuickTime/APIREF/SOURCESIV/at_ptv-_pg.htm $atom_structure['display_size_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2)); $atom_structure['reserved_1'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 2)); // hardcoded: 0x0000 $atom_structure['reserved_2'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); // hardcoded: 0x0000 $atom_structure['slide_show_flag'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 1)); $atom_structure['play_on_open_flag'] = getid3_lib::BigEndian2Int(substr($atom_data, 7, 1)); $atom_structure['flags']['play_on_open'] = (bool) $atom_structure['play_on_open_flag']; $atom_structure['flags']['slide_show'] = (bool) $atom_structure['slide_show_flag']; $ptv_lookup[0] = 'normal'; $ptv_lookup[1] = 'double'; $ptv_lookup[2] = 'half'; $ptv_lookup[3] = 'full'; $ptv_lookup[4] = 'current'; if (isset($ptv_lookup[$atom_structure['display_size_raw']])) { $atom_structure['display_size'] = $ptv_lookup[$atom_structure['display_size_raw']]; } else { $ThisFileInfo['warning'][] = 'unknown "ptv " display constant (' . $atom_structure['display_size_raw'] . ')'; } break; case 'stsd': // Sample Table Sample Description atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $stsdEntriesDataOffset = 8; for ($i = 0; $i < $atom_structure['number_entries']; $i++) { $atom_structure['sample_description_table'][$i]['size'] = getid3_lib::BigEndian2Int(substr($atom_data, $stsdEntriesDataOffset, 4)); $stsdEntriesDataOffset += 4; $atom_structure['sample_description_table'][$i]['data_format'] = substr($atom_data, $stsdEntriesDataOffset, 4); $stsdEntriesDataOffset += 4; $atom_structure['sample_description_table'][$i]['reserved'] = getid3_lib::BigEndian2Int(substr($atom_data, $stsdEntriesDataOffset, 6)); $stsdEntriesDataOffset += 6; $atom_structure['sample_description_table'][$i]['reference_index'] = getid3_lib::BigEndian2Int(substr($atom_data, $stsdEntriesDataOffset, 2)); $stsdEntriesDataOffset += 2; $atom_structure['sample_description_table'][$i]['data'] = substr($atom_data, $stsdEntriesDataOffset, $atom_structure['sample_description_table'][$i]['size'] - 4 - 4 - 6 - 2); $stsdEntriesDataOffset += $atom_structure['sample_description_table'][$i]['size'] - 4 - 4 - 6 - 2; $atom_structure['sample_description_table'][$i]['encoder_version'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 0, 2)); $atom_structure['sample_description_table'][$i]['encoder_revision'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 2, 2)); $atom_structure['sample_description_table'][$i]['encoder_vendor'] = substr($atom_structure['sample_description_table'][$i]['data'], 4, 4); switch ($atom_structure['sample_description_table'][$i]['encoder_vendor']) { case "": // audio atom $atom_structure['sample_description_table'][$i]['audio_channels'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 8, 2)); $atom_structure['sample_description_table'][$i]['audio_bit_depth'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 10, 2)); $atom_structure['sample_description_table'][$i]['audio_compression_id'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 12, 2)); $atom_structure['sample_description_table'][$i]['audio_packet_size'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 14, 2)); $atom_structure['sample_description_table'][$i]['audio_sample_rate'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 16, 4)); switch ($atom_structure['sample_description_table'][$i]['data_format']) { case 'avc1': case 'mp4v': $ThisFileInfo['fileformat'] = 'mp4'; $ThisFileInfo['video']['fourcc'] = $atom_structure['sample_description_table'][$i]['data_format']; //$ThisFileInfo['warning'][] = 'This version of getID3() [v'.GETID3_VERSION.'] does not fully support MPEG-4 audio/video streams'; // 2011-02-18: why am I warning about this again? What's not supported? break; case 'qtvr': $ThisFileInfo['video']['dataformat'] = 'quicktimevr'; break; case 'mp4a': default: $ThisFileInfo['quicktime']['audio']['codec'] = $this->QuicktimeAudioCodecLookup($atom_structure['sample_description_table'][$i]['data_format']); $ThisFileInfo['quicktime']['audio']['sample_rate'] = $atom_structure['sample_description_table'][$i]['audio_sample_rate']; $ThisFileInfo['quicktime']['audio']['channels'] = $atom_structure['sample_description_table'][$i]['audio_channels']; $ThisFileInfo['quicktime']['audio']['bit_depth'] = $atom_structure['sample_description_table'][$i]['audio_bit_depth']; $ThisFileInfo['audio']['codec'] = $ThisFileInfo['quicktime']['audio']['codec']; $ThisFileInfo['audio']['sample_rate'] = $ThisFileInfo['quicktime']['audio']['sample_rate']; $ThisFileInfo['audio']['channels'] = $ThisFileInfo['quicktime']['audio']['channels']; $ThisFileInfo['audio']['bits_per_sample'] = $ThisFileInfo['quicktime']['audio']['bit_depth']; switch ($atom_structure['sample_description_table'][$i]['data_format']) { case 'raw ': // PCM // PCM case 'alac': // Apple Lossless Audio Codec $ThisFileInfo['audio']['lossless'] = true; break; default: $ThisFileInfo['audio']['lossless'] = false; break; } break; } break; default: switch ($atom_structure['sample_description_table'][$i]['data_format']) { case 'mp4s': $ThisFileInfo['fileformat'] = 'mp4'; break; default: // video atom $atom_structure['sample_description_table'][$i]['video_temporal_quality'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 8, 4)); $atom_structure['sample_description_table'][$i]['video_spatial_quality'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 12, 4)); $atom_structure['sample_description_table'][$i]['video_frame_width'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 16, 2)); $atom_structure['sample_description_table'][$i]['video_frame_height'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 18, 2)); $atom_structure['sample_description_table'][$i]['video_resolution_x'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 20, 4)); $atom_structure['sample_description_table'][$i]['video_resolution_y'] = getid3_lib::FixedPoint16_16(substr($atom_structure['sample_description_table'][$i]['data'], 24, 4)); $atom_structure['sample_description_table'][$i]['video_data_size'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 28, 4)); $atom_structure['sample_description_table'][$i]['video_frame_count'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 32, 2)); $atom_structure['sample_description_table'][$i]['video_encoder_name_len'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 34, 1)); $atom_structure['sample_description_table'][$i]['video_encoder_name'] = substr($atom_structure['sample_description_table'][$i]['data'], 35, $atom_structure['sample_description_table'][$i]['video_encoder_name_len']); $atom_structure['sample_description_table'][$i]['video_pixel_color_depth'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 66, 2)); $atom_structure['sample_description_table'][$i]['video_color_table_id'] = getid3_lib::BigEndian2Int(substr($atom_structure['sample_description_table'][$i]['data'], 68, 2)); $atom_structure['sample_description_table'][$i]['video_pixel_color_type'] = $atom_structure['sample_description_table'][$i]['video_pixel_color_depth'] > 32 ? 'grayscale' : 'color'; $atom_structure['sample_description_table'][$i]['video_pixel_color_name'] = $this->QuicktimeColorNameLookup($atom_structure['sample_description_table'][$i]['video_pixel_color_depth']); if ($atom_structure['sample_description_table'][$i]['video_pixel_color_name'] != 'invalid') { $ThisFileInfo['quicktime']['video']['codec_fourcc'] = $atom_structure['sample_description_table'][$i]['data_format']; $ThisFileInfo['quicktime']['video']['codec_fourcc_lookup'] = $this->QuicktimeVideoCodecLookup($atom_structure['sample_description_table'][$i]['data_format']); $ThisFileInfo['quicktime']['video']['codec'] = $atom_structure['sample_description_table'][$i]['video_encoder_name_len'] > 0 ? $atom_structure['sample_description_table'][$i]['video_encoder_name'] : $atom_structure['sample_description_table'][$i]['data_format']; $ThisFileInfo['quicktime']['video']['color_depth'] = $atom_structure['sample_description_table'][$i]['video_pixel_color_depth']; $ThisFileInfo['quicktime']['video']['color_depth_name'] = $atom_structure['sample_description_table'][$i]['video_pixel_color_name']; $ThisFileInfo['video']['codec'] = $ThisFileInfo['quicktime']['video']['codec']; $ThisFileInfo['video']['bits_per_sample'] = $ThisFileInfo['quicktime']['video']['color_depth']; } $ThisFileInfo['video']['lossless'] = false; $ThisFileInfo['video']['pixel_aspect_ratio'] = (double) 1; break; } break; } switch (strtolower($atom_structure['sample_description_table'][$i]['data_format'])) { case 'mp4a': $ThisFileInfo['audio']['dataformat'] = 'mp4'; $ThisFileInfo['quicktime']['audio']['codec'] = 'mp4'; break; case '3ivx': case '3iv1': case '3iv2': $ThisFileInfo['video']['dataformat'] = '3ivx'; break; case 'xvid': $ThisFileInfo['video']['dataformat'] = 'xvid'; break; case 'mp4v': $ThisFileInfo['video']['dataformat'] = 'mpeg4'; break; case 'divx': case 'div1': case 'div2': case 'div3': case 'div4': case 'div5': case 'div6': $TDIVXileInfo['video']['dataformat'] = 'divx'; break; default: // do nothing break; } unset($atom_structure['sample_description_table'][$i]['data']); } break; case 'stts': // Sample Table Time-to-Sample atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $sttsEntriesDataOffset = 8; //$FrameRateCalculatorArray = array(); $frames_count = 0; for ($i = 0; $i < $atom_structure['number_entries']; $i++) { $atom_structure['time_to_sample_table'][$i]['sample_count'] = getid3_lib::BigEndian2Int(substr($atom_data, $sttsEntriesDataOffset, 4)); $sttsEntriesDataOffset += 4; $atom_structure['time_to_sample_table'][$i]['sample_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, $sttsEntriesDataOffset, 4)); $sttsEntriesDataOffset += 4; $frames_count += $atom_structure['time_to_sample_table'][$i]['sample_count']; // THIS SECTION REPLACED WITH CODE IN "stbl" ATOM //if (!empty($ThisFileInfo['quicktime']['time_scale']) && ($atom_structure['time_to_sample_table'][$i]['sample_duration'] > 0)) { // $stts_new_framerate = $ThisFileInfo['quicktime']['time_scale'] / $atom_structure['time_to_sample_table'][$i]['sample_duration']; // if ($stts_new_framerate <= 60) { // // some atoms have durations of "1" giving a very large framerate, which probably is not right // $ThisFileInfo['video']['frame_rate'] = max($ThisFileInfo['video']['frame_rate'], $stts_new_framerate); // } //} // //$FrameRateCalculatorArray[($ThisFileInfo['quicktime']['time_scale'] / $atom_structure['time_to_sample_table'][$i]['sample_duration'])] += $atom_structure['time_to_sample_table'][$i]['sample_count']; } $ThisFileInfo['quicktime']['stts_framecount'][] = $frames_count; //$sttsFramesTotal = 0; //$sttsSecondsTotal = 0; //foreach ($FrameRateCalculatorArray as $frames_per_second => $frame_count) { // if (($frames_per_second > 60) || ($frames_per_second < 1)) { // // not video FPS information, probably audio information // $sttsFramesTotal = 0; // $sttsSecondsTotal = 0; // break; // } // $sttsFramesTotal += $frame_count; // $sttsSecondsTotal += $frame_count / $frames_per_second; //} //if (($sttsFramesTotal > 0) && ($sttsSecondsTotal > 0)) { // if (($sttsFramesTotal / $sttsSecondsTotal) > $ThisFileInfo['video']['frame_rate']) { // $ThisFileInfo['video']['frame_rate'] = $sttsFramesTotal / $sttsSecondsTotal; // } //} break; case 'stss': // Sample Table Sync Sample (key frames) atom if ($ParseAllPossibleAtoms) { $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $stssEntriesDataOffset = 8; for ($i = 0; $i < $atom_structure['number_entries']; $i++) { $atom_structure['time_to_sample_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stssEntriesDataOffset, 4)); $stssEntriesDataOffset += 4; } } break; case 'stsc': // Sample Table Sample-to-Chunk atom if ($ParseAllPossibleAtoms) { $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $stscEntriesDataOffset = 8; for ($i = 0; $i < $atom_structure['number_entries']; $i++) { $atom_structure['sample_to_chunk_table'][$i]['first_chunk'] = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4)); $stscEntriesDataOffset += 4; $atom_structure['sample_to_chunk_table'][$i]['samples_per_chunk'] = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4)); $stscEntriesDataOffset += 4; $atom_structure['sample_to_chunk_table'][$i]['sample_description'] = getid3_lib::BigEndian2Int(substr($atom_data, $stscEntriesDataOffset, 4)); $stscEntriesDataOffset += 4; } } break; case 'stsz': // Sample Table SiZe atom if ($ParseAllPossibleAtoms) { $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['sample_size'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); $stszEntriesDataOffset = 12; if ($atom_structure['sample_size'] == 0) { for ($i = 0; $i < $atom_structure['number_entries']; $i++) { $atom_structure['sample_size_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stszEntriesDataOffset, 4)); $stszEntriesDataOffset += 4; } } } break; case 'stco': // Sample Table Chunk Offset atom if ($ParseAllPossibleAtoms) { $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $stcoEntriesDataOffset = 8; for ($i = 0; $i < $atom_structure['number_entries']; $i++) { $atom_structure['chunk_offset_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stcoEntriesDataOffset, 4)); $stcoEntriesDataOffset += 4; } } break; case 'co64': // Chunk Offset 64-bit (version of "stco" that supports > 2GB files) if ($ParseAllPossibleAtoms) { $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $stcoEntriesDataOffset = 8; for ($i = 0; $i < $atom_structure['number_entries']; $i++) { $atom_structure['chunk_offset_table'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $stcoEntriesDataOffset, 8)); $stcoEntriesDataOffset += 8; } } break; case 'dref': // Data REFerence atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $drefDataOffset = 8; for ($i = 0; $i < $atom_structure['number_entries']; $i++) { $atom_structure['data_references'][$i]['size'] = getid3_lib::BigEndian2Int(substr($atom_data, $drefDataOffset, 4)); $drefDataOffset += 4; $atom_structure['data_references'][$i]['type'] = substr($atom_data, $drefDataOffset, 4); $drefDataOffset += 4; $atom_structure['data_references'][$i]['version'] = getid3_lib::BigEndian2Int(substr($atom_data, $drefDataOffset, 1)); $drefDataOffset += 1; $atom_structure['data_references'][$i]['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, $drefDataOffset, 3)); // hardcoded: 0x0000 $drefDataOffset += 3; $atom_structure['data_references'][$i]['data'] = substr($atom_data, $drefDataOffset, $atom_structure['data_references'][$i]['size'] - 4 - 4 - 1 - 3); $drefDataOffset += $atom_structure['data_references'][$i]['size'] - 4 - 4 - 1 - 3; $atom_structure['data_references'][$i]['flags']['self_reference'] = (bool) ($atom_structure['data_references'][$i]['flags_raw'] & 0x1); } break; case 'gmin': // base Media INformation atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['graphics_mode'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); $atom_structure['opcolor_red'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2)); $atom_structure['opcolor_green'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 2)); $atom_structure['opcolor_blue'] = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2)); $atom_structure['balance'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 2)); $atom_structure['reserved'] = getid3_lib::BigEndian2Int(substr($atom_data, 14, 2)); break; case 'smhd': // Sound Media information HeaDer atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['balance'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); $atom_structure['reserved'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2)); break; case 'vmhd': // Video Media information HeaDer atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); $atom_structure['graphics_mode'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); $atom_structure['opcolor_red'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2)); $atom_structure['opcolor_green'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 2)); $atom_structure['opcolor_blue'] = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2)); $atom_structure['flags']['no_lean_ahead'] = (bool) ($atom_structure['flags_raw'] & 0x1); break; case 'hdlr': // HanDLeR reference atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['component_type'] = substr($atom_data, 4, 4); $atom_structure['component_subtype'] = substr($atom_data, 8, 4); $atom_structure['component_manufacturer'] = substr($atom_data, 12, 4); $atom_structure['component_flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); $atom_structure['component_flags_mask'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 4)); $atom_structure['component_name'] = $this->Pascal2String(substr($atom_data, 24)); if ($atom_structure['component_subtype'] == 'STpn' && $atom_structure['component_manufacturer'] == 'zzzz') { $ThisFileInfo['video']['dataformat'] = 'quicktimevr'; } break; case 'mdhd': // MeDia HeaDer atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['creation_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $atom_structure['modify_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); $atom_structure['time_scale'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); $atom_structure['duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); $atom_structure['language_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 2)); $atom_structure['quality'] = getid3_lib::BigEndian2Int(substr($atom_data, 22, 2)); if ($atom_structure['time_scale'] == 0) { $ThisFileInfo['error'][] = 'Corrupt Quicktime file: mdhd.time_scale == zero'; return false; } $ThisFileInfo['quicktime']['time_scale'] = isset($ThisFileInfo['quicktime']['time_scale']) ? max($ThisFileInfo['quicktime']['time_scale'], $atom_structure['time_scale']) : $atom_structure['time_scale']; $atom_structure['creation_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['creation_time']); $atom_structure['modify_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['modify_time']); $atom_structure['playtime_seconds'] = $atom_structure['duration'] / $atom_structure['time_scale']; $atom_structure['language'] = $this->QuicktimeLanguageLookup($atom_structure['language_id']); if (empty($ThisFileInfo['comments']['language']) || !in_array($atom_structure['language'], $ThisFileInfo['comments']['language'])) { $ThisFileInfo['comments']['language'][] = $atom_structure['language']; } break; case 'pnot': // Preview atom $atom_structure['modification_date'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); // "standard Macintosh format" $atom_structure['version_number'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); // hardcoded: 0x00 $atom_structure['atom_type'] = substr($atom_data, 6, 4); // usually: 'PICT' $atom_structure['atom_index'] = getid3_lib::BigEndian2Int(substr($atom_data, 10, 2)); // usually: 0x01 $atom_structure['modification_date_unix'] = getid3_lib::DateMac2Unix($atom_structure['modification_date']); break; case 'crgn': // Clipping ReGioN atom $atom_structure['region_size'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 2)); // The Region size, Region boundary box, $atom_structure['boundary_box'] = getid3_lib::BigEndian2Int(substr($atom_data, 2, 8)); // and Clipping region data fields $atom_structure['clipping_data'] = substr($atom_data, 10); // constitute a QuickDraw region. break; case 'load': // track LOAD settings atom $atom_structure['preload_start_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); $atom_structure['preload_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $atom_structure['preload_flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); $atom_structure['default_hints_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); $atom_structure['default_hints']['double_buffer'] = (bool) ($atom_structure['default_hints_raw'] & 0x20); $atom_structure['default_hints']['high_quality'] = (bool) ($atom_structure['default_hints_raw'] & 0x100); break; case 'tmcd': // TiMe CoDe atom // TiMe CoDe atom case 'chap': // CHAPter list atom // CHAPter list atom case 'sync': // SYNChronization atom // SYNChronization atom case 'scpt': // tranSCriPT atom // tranSCriPT atom case 'ssrc': // non-primary SouRCe atom for ($i = 0; $i < strlen($atom_data) % 4; $i++) { $atom_structure['track_id'][$i] = getid3_lib::BigEndian2Int(substr($atom_data, $i * 4, 4)); } break; case 'elst': // Edit LiST atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['number_entries'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); for ($i = 0; $i < $atom_structure['number_entries']; $i++) { $atom_structure['edit_list'][$i]['track_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + $i * 12 + 0, 4)); $atom_structure['edit_list'][$i]['media_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + $i * 12 + 4, 4)); $atom_structure['edit_list'][$i]['media_rate'] = getid3_lib::FixedPoint16_16(substr($atom_data, 8 + $i * 12 + 8, 4)); } break; case 'kmat': // compressed MATte atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); // hardcoded: 0x0000 $atom_structure['matte_data_raw'] = substr($atom_data, 4); break; case 'ctab': // Color TABle atom $atom_structure['color_table_seed'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); // hardcoded: 0x00000000 $atom_structure['color_table_flags'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 2)); // hardcoded: 0x8000 $atom_structure['color_table_size'] = getid3_lib::BigEndian2Int(substr($atom_data, 6, 2)) + 1; for ($colortableentry = 0; $colortableentry < $atom_structure['color_table_size']; $colortableentry++) { $atom_structure['color_table'][$colortableentry]['alpha'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + $colortableentry * 8 + 0, 2)); $atom_structure['color_table'][$colortableentry]['red'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + $colortableentry * 8 + 2, 2)); $atom_structure['color_table'][$colortableentry]['green'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + $colortableentry * 8 + 4, 2)); $atom_structure['color_table'][$colortableentry]['blue'] = getid3_lib::BigEndian2Int(substr($atom_data, 8 + $colortableentry * 8 + 6, 2)); } break; case 'mvhd': // MoVie HeaDer atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); $atom_structure['creation_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $atom_structure['modify_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); $atom_structure['time_scale'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); $atom_structure['duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); $atom_structure['preferred_rate'] = getid3_lib::FixedPoint16_16(substr($atom_data, 20, 4)); $atom_structure['preferred_volume'] = getid3_lib::FixedPoint8_8(substr($atom_data, 24, 2)); $atom_structure['reserved'] = substr($atom_data, 26, 10); $atom_structure['matrix_a'] = getid3_lib::FixedPoint16_16(substr($atom_data, 36, 4)); $atom_structure['matrix_b'] = getid3_lib::FixedPoint16_16(substr($atom_data, 40, 4)); $atom_structure['matrix_u'] = getid3_lib::FixedPoint2_30(substr($atom_data, 44, 4)); $atom_structure['matrix_c'] = getid3_lib::FixedPoint16_16(substr($atom_data, 48, 4)); $atom_structure['matrix_d'] = getid3_lib::FixedPoint16_16(substr($atom_data, 52, 4)); $atom_structure['matrix_v'] = getid3_lib::FixedPoint2_30(substr($atom_data, 56, 4)); $atom_structure['matrix_x'] = getid3_lib::FixedPoint16_16(substr($atom_data, 60, 4)); $atom_structure['matrix_y'] = getid3_lib::FixedPoint16_16(substr($atom_data, 64, 4)); $atom_structure['matrix_w'] = getid3_lib::FixedPoint2_30(substr($atom_data, 68, 4)); $atom_structure['preview_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 72, 4)); $atom_structure['preview_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 76, 4)); $atom_structure['poster_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 80, 4)); $atom_structure['selection_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 84, 4)); $atom_structure['selection_duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 88, 4)); $atom_structure['current_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 92, 4)); $atom_structure['next_track_id'] = getid3_lib::BigEndian2Int(substr($atom_data, 96, 4)); if ($atom_structure['time_scale'] == 0) { $ThisFileInfo['error'][] = 'Corrupt Quicktime file: mvhd.time_scale == zero'; return false; } $atom_structure['creation_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['creation_time']); $atom_structure['modify_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['modify_time']); $ThisFileInfo['quicktime']['time_scale'] = isset($ThisFileInfo['quicktime']['time_scale']) ? max($ThisFileInfo['quicktime']['time_scale'], $atom_structure['time_scale']) : $atom_structure['time_scale']; $ThisFileInfo['quicktime']['display_scale'] = $atom_structure['matrix_a']; $ThisFileInfo['playtime_seconds'] = $atom_structure['duration'] / $atom_structure['time_scale']; break; case 'tkhd': // TracK HeaDer atom $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); $atom_structure['creation_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $atom_structure['modify_time'] = getid3_lib::BigEndian2Int(substr($atom_data, 8, 4)); $atom_structure['trackid'] = getid3_lib::BigEndian2Int(substr($atom_data, 12, 4)); $atom_structure['reserved1'] = getid3_lib::BigEndian2Int(substr($atom_data, 16, 4)); $atom_structure['duration'] = getid3_lib::BigEndian2Int(substr($atom_data, 20, 4)); $atom_structure['reserved2'] = getid3_lib::BigEndian2Int(substr($atom_data, 24, 8)); $atom_structure['layer'] = getid3_lib::BigEndian2Int(substr($atom_data, 32, 2)); $atom_structure['alternate_group'] = getid3_lib::BigEndian2Int(substr($atom_data, 34, 2)); $atom_structure['volume'] = getid3_lib::FixedPoint8_8(substr($atom_data, 36, 2)); $atom_structure['reserved3'] = getid3_lib::BigEndian2Int(substr($atom_data, 38, 2)); $atom_structure['matrix_a'] = getid3_lib::FixedPoint16_16(substr($atom_data, 40, 4)); $atom_structure['matrix_b'] = getid3_lib::FixedPoint16_16(substr($atom_data, 44, 4)); $atom_structure['matrix_u'] = getid3_lib::FixedPoint16_16(substr($atom_data, 48, 4)); $atom_structure['matrix_c'] = getid3_lib::FixedPoint16_16(substr($atom_data, 52, 4)); $atom_structure['matrix_d'] = getid3_lib::FixedPoint16_16(substr($atom_data, 56, 4)); $atom_structure['matrix_v'] = getid3_lib::FixedPoint16_16(substr($atom_data, 60, 4)); $atom_structure['matrix_x'] = getid3_lib::FixedPoint2_30(substr($atom_data, 64, 4)); $atom_structure['matrix_y'] = getid3_lib::FixedPoint2_30(substr($atom_data, 68, 4)); $atom_structure['matrix_w'] = getid3_lib::FixedPoint2_30(substr($atom_data, 72, 4)); $atom_structure['width'] = getid3_lib::FixedPoint16_16(substr($atom_data, 76, 4)); $atom_structure['height'] = getid3_lib::FixedPoint16_16(substr($atom_data, 80, 4)); $atom_structure['flags']['enabled'] = (bool) ($atom_structure['flags_raw'] & 0x1); $atom_structure['flags']['in_movie'] = (bool) ($atom_structure['flags_raw'] & 0x2); $atom_structure['flags']['in_preview'] = (bool) ($atom_structure['flags_raw'] & 0x4); $atom_structure['flags']['in_poster'] = (bool) ($atom_structure['flags_raw'] & 0x8); $atom_structure['creation_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['creation_time']); $atom_structure['modify_time_unix'] = getid3_lib::DateMac2Unix($atom_structure['modify_time']); if ($atom_structure['flags']['enabled'] == 1) { if (!isset($ThisFileInfo['video']['resolution_x']) || !isset($ThisFileInfo['video']['resolution_y'])) { $ThisFileInfo['video']['resolution_x'] = $atom_structure['width']; $ThisFileInfo['video']['resolution_y'] = $atom_structure['height']; } $ThisFileInfo['video']['resolution_x'] = max($ThisFileInfo['video']['resolution_x'], $atom_structure['width']); $ThisFileInfo['video']['resolution_y'] = max($ThisFileInfo['video']['resolution_y'], $atom_structure['height']); $ThisFileInfo['quicktime']['video']['resolution_x'] = $ThisFileInfo['video']['resolution_x']; $ThisFileInfo['quicktime']['video']['resolution_y'] = $ThisFileInfo['video']['resolution_y']; } else { if (isset($ThisFileInfo['video']['resolution_x'])) { unset($ThisFileInfo['video']['resolution_x']); } if (isset($ThisFileInfo['video']['resolution_y'])) { unset($ThisFileInfo['video']['resolution_y']); } if (isset($ThisFileInfo['quicktime']['video'])) { unset($ThisFileInfo['quicktime']['video']); } } break; case 'iods': // Initial Object DeScriptor atom // http://www.koders.com/c/fid1FAB3E762903DC482D8A246D4A4BF9F28E049594.aspx?s=windows.h // http://libquicktime.sourcearchive.com/documentation/1.0.2plus-pdebian/iods_8c-source.html $offset = 0; $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); $offset += 1; $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 3)); $offset += 3; $atom_structure['mp4_iod_tag'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); $offset += 1; $atom_structure['length'] = $this->quicktime_read_mp4_descr_length($atom_data, $offset); //$offset already adjusted by quicktime_read_mp4_descr_length() $atom_structure['object_descriptor_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 2)); $offset += 2; $atom_structure['od_profile_level'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); $offset += 1; $atom_structure['scene_profile_level'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); $offset += 1; $atom_structure['audio_profile_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); $offset += 1; $atom_structure['video_profile_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); $offset += 1; $atom_structure['graphics_profile_level'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); $offset += 1; $atom_structure['num_iods_tracks'] = ($atom_structure['length'] - 7) / 6; // 6 bytes would only be right if all tracks use 1-byte length fields for ($i = 0; $i < $atom_structure['num_iods_tracks']; $i++) { $atom_structure['track'][$i]['ES_ID_IncTag'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 1)); $offset += 1; $atom_structure['track'][$i]['length'] = $this->quicktime_read_mp4_descr_length($atom_data, $offset); //$offset already adjusted by quicktime_read_mp4_descr_length() $atom_structure['track'][$i]['track_id'] = getid3_lib::BigEndian2Int(substr($atom_data, $offset, 4)); $offset += 4; } $atom_structure['audio_profile_name'] = $this->QuicktimeIODSaudioProfileName($atom_structure['audio_profile_id']); $atom_structure['video_profile_name'] = $this->QuicktimeIODSvideoProfileName($atom_structure['video_profile_id']); break; case 'meta': // METAdata atom // http://www.geocities.com/xhelmboyx/quicktime/formats/qti-layout.txt /* $NextTagPosition = strpos($atom_data, '©'); while ($NextTagPosition < strlen($atom_data)) { $metaItemSize = getid3_lib::BigEndian2Int(substr($atom_data, $NextTagPosition - 4, 4)) - 4; if ($metaItemSize == -4) { break; } $metaItemRaw = substr($atom_data, $NextTagPosition, $metaItemSize); $metaItemKey = substr($metaItemRaw, 0, 4); $metaItemData = substr($metaItemRaw, 20); $NextTagPosition += $metaItemSize + 4; $this->CopyToAppropriateCommentsSection($metaItemKey, $metaItemData, $ThisFileInfo); } */ $atom_structure['version'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 1)); $atom_structure['flags_raw'] = getid3_lib::BigEndian2Int(substr($atom_data, 1, 3)); $atom_structure['subatoms'] = $this->QuicktimeParseContainerAtom(substr($atom_data, 4), $ThisFileInfo, $baseoffset + 8, $atomHierarchy, $ParseAllPossibleAtoms); break; case 'ftyp': // FileTYPe (?) atom (for MP4 it seems) $atom_structure['signature'] = substr($atom_data, 0, 4); $atom_structure['unknown_1'] = getid3_lib::BigEndian2Int(substr($atom_data, 4, 4)); $atom_structure['fourcc'] = substr($atom_data, 8, 4); break; case 'mdat': // Media DATa atom // Media DATa atom case 'free': // FREE space atom // FREE space atom case 'skip': // SKIP atom // SKIP atom case 'wide': // 64-bit expansion placeholder atom // 'mdat' data is too big to deal with, contains no useful metadata // 'free', 'skip' and 'wide' are just padding, contains no useful data at all // When writing QuickTime files, it is sometimes necessary to update an atom's size. // It is impossible to update a 32-bit atom to a 64-bit atom since the 32-bit atom // is only 8 bytes in size, and the 64-bit atom requires 16 bytes. Therefore, QuickTime // puts an 8-byte placeholder atom before any atoms it may have to update the size of. // In this way, if the atom needs to be converted from a 32-bit to a 64-bit atom, the // placeholder atom can be overwritten to obtain the necessary 8 extra bytes. // The placeholder atom has a type of kWideAtomPlaceholderType ( 'wide' ). break; case 'nsav': // NoSAVe atom // http://developer.apple.com/technotes/tn/tn2038.html $atom_structure['data'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); break; case 'ctyp': // Controller TYPe atom (seen on QTVR) // http://homepages.slingshot.co.nz/~helmboy/quicktime/formats/qtm-layout.txt // some controller names are: // 0x00 + 'std' for linear movie // 'none' for no controls $atom_structure['ctyp'] = substr($atom_data, 0, 4); $ThisFileInfo['quicktime']['controller'] = $atom_structure['ctyp']; switch ($atom_structure['ctyp']) { case 'qtvr': $ThisFileInfo['video']['dataformat'] = 'quicktimevr'; break; } break; case 'pano': // PANOrama track (seen on QTVR) $atom_structure['pano'] = getid3_lib::BigEndian2Int(substr($atom_data, 0, 4)); break; case 'hint': // HINT track // HINT track case 'hinf': // // case 'hinv': // // case 'hnti': // $ThisFileInfo['quicktime']['hinting'] = true; break; case 'imgt': // IMaGe Track reference (kQTVRImageTrackRefType) (seen on QTVR) for ($i = 0; $i < $atom_structure['size'] - 8; $i += 4) { $atom_structure['imgt'][] = getid3_lib::BigEndian2Int(substr($atom_data, $i, 4)); } break; // Observed-but-not-handled atom types are just listed here to prevent warnings being generated // Observed-but-not-handled atom types are just listed here to prevent warnings being generated case 'FXTC': // Something to do with Adobe After Effects (?) // Something to do with Adobe After Effects (?) case 'PrmA': case 'code': case 'FIEL': // this is NOT "fiel" (Field Ordering) as describe here: http://developer.apple.com/documentation/QuickTime/QTFF/QTFFChap3/chapter_4_section_2.html // this is NOT "fiel" (Field Ordering) as describe here: http://developer.apple.com/documentation/QuickTime/QTFF/QTFFChap3/chapter_4_section_2.html case 'tapt': // TrackApertureModeDimensionsAID - http://developer.apple.com/documentation/QuickTime/Reference/QT7-1_Update_Reference/Constants/Constants.html // tapt seems to be used to compute the video size [http://www.getid3.org/phpBB3/viewtopic.php?t=838] // * http://lists.apple.com/archives/quicktime-api/2006/Aug/msg00014.html // * http://handbrake.fr/irclogs/handbrake-dev/handbrake-dev20080128_pg2.html // TrackApertureModeDimensionsAID - http://developer.apple.com/documentation/QuickTime/Reference/QT7-1_Update_Reference/Constants/Constants.html // tapt seems to be used to compute the video size [http://www.getid3.org/phpBB3/viewtopic.php?t=838] // * http://lists.apple.com/archives/quicktime-api/2006/Aug/msg00014.html // * http://handbrake.fr/irclogs/handbrake-dev/handbrake-dev20080128_pg2.html case 'ctts': // STCompositionOffsetAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html // STCompositionOffsetAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html case 'cslg': // STCompositionShiftLeastGreatestAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html // STCompositionShiftLeastGreatestAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html case 'sdtp': // STSampleDependencyAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html // STSampleDependencyAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html case 'stps': // STPartialSyncSampleAID - http://developer.apple.com/documentation/QuickTime/Reference/QTRef_Constants/Reference/reference.html //$atom_structure['data'] = $atom_data; break; default: $ThisFileInfo['warning'][] = 'Unknown QuickTime atom type: "' . $atomname . '" at offset ' . $baseoffset; $atom_structure['data'] = $atom_data; break; } array_pop($atomHierarchy); return $atom_structure; }