public function Analyze() { $getid3 = $this->getid3; // dependency $getid3->include_module('tag.id3v1'); if ($getid3->option_tags_images) { $getid3->include_module('lib.image_size'); } // Overall tag structure: // +-----------------------------+ // | Header (10 bytes) | // +-----------------------------+ // | Extended Header | // | (variable length, OPTIONAL) | // +-----------------------------+ // | Frames (variable length) | // +-----------------------------+ // | Padding | // | (variable length, OPTIONAL) | // +-----------------------------+ // | Footer (10 bytes, OPTIONAL) | // +-----------------------------+ // // Header // ID3v2/file identifier "ID3" // ID3v2 version $04 00 // ID3v2 flags (%ab000000 in v2.2, %abc00000 in v2.3, %abcd0000 in v2.4.x) // ID3v2 size 4 * %0xxxxxxx // shortcuts $getid3->info['id3v2']['header'] = true; $info_id3v2 =& $getid3->info['id3v2']; $info_id3v2['flags'] = array(); $info_id3v2_flags =& $info_id3v2['flags']; $this->fseek($this->option_starting_offset, SEEK_SET); $header = $this->fread(10); if (substr($header, 0, 3) == 'ID3' && strlen($header) == 10) { $info_id3v2['majorversion'] = ord($header[3]); $info_id3v2['minorversion'] = ord($header[4]); // shortcut $id3v2_major_version =& $info_id3v2['majorversion']; } else { unset($getid3->info['id3v2']); return false; } if ($id3v2_major_version > 4) { // this script probably won't correctly parse ID3v2.5.x and above (if it ever exists) throw new getid3_exception('this script only parses up to ID3v2.4.x - this tag is ID3v2.' . $id3v2_major_version . '.' . $info_id3v2['minorversion']); } $id3_flags = ord($header[5]); switch ($id3v2_major_version) { case 2: // %ab000000 in v2.2 $info_id3v2_flags['unsynch'] = (bool) ($id3_flags & 0x80); // a - Unsynchronisation $info_id3v2_flags['compression'] = (bool) ($id3_flags & 0x40); // b - Compression break; case 3: // %abc00000 in v2.3 $info_id3v2_flags['unsynch'] = (bool) ($id3_flags & 0x80); // a - Unsynchronisation $info_id3v2_flags['exthead'] = (bool) ($id3_flags & 0x40); // b - Extended header $info_id3v2_flags['experim'] = (bool) ($id3_flags & 0x20); // c - Experimental indicator break; case 4: // %abcd0000 in v2.4 $info_id3v2_flags['unsynch'] = (bool) ($id3_flags & 0x80); // a - Unsynchronisation $info_id3v2_flags['exthead'] = (bool) ($id3_flags & 0x40); // b - Extended header $info_id3v2_flags['experim'] = (bool) ($id3_flags & 0x20); // c - Experimental indicator $info_id3v2_flags['isfooter'] = (bool) ($id3_flags & 0x10); // d - Footer present break; } $info_id3v2['headerlength'] = getid3_lib::BigEndianSyncSafe2Int(substr($header, 6, 4)) + 10; // length of ID3v2 tag in 10-byte header doesn't include 10-byte header length $info_id3v2['tag_offset_start'] = $this->option_starting_offset; $info_id3v2['tag_offset_end'] = $info_id3v2['tag_offset_start'] + $info_id3v2['headerlength']; // Frames // All ID3v2 frames consists of one frame header followed by one or more // fields containing the actual information. The header is always 10 // bytes and laid out as follows: // // Frame ID $xx xx xx xx (four characters) // Size 4 * %0xxxxxxx // Flags $xx xx $size_of_frames = $info_id3v2['headerlength'] - 10; // not including 10-byte initial header if (@$info_id3v2['exthead']['length']) { $size_of_frames -= $info_id3v2['exthead']['length'] + 4; } if (@$info_id3v2_flags['isfooter']) { $size_of_frames -= 10; // footer takes last 10 bytes of ID3v2 header, after frame data, before audio } if ($size_of_frames > 0) { $frame_data = $this->fread($size_of_frames); // read all frames from file into $frame_data variable // if entire frame data is unsynched, de-unsynch it now (ID3v2.3.x) if (@$info_id3v2_flags['unsynch'] && $id3v2_major_version <= 3) { $frame_data = str_replace("ÿ", "ÿ", $frame_data); } // [in ID3v2.4.0] Unsynchronisation [S:6.1] is done on frame level, instead // of on tag level, making it easier to skip frames, increasing the streamability // of the tag. The unsynchronisation flag in the header [S:3.1] indicates that // there exists an unsynchronised frame, while the new unsynchronisation flag in // the frame header [S:4.1.2] indicates unsynchronisation. //$frame_data_offset = 10 + (@$info_id3v2['exthead']['length'] ? $info_id3v2['exthead']['length'] + 4 : 0); // how many bytes into the stream - start from after the 10-byte header (and extended header length+4, if present) $frame_data_offset = 10; // how many bytes into the stream - start from after the 10-byte header // Extended Header if (@$info_id3v2_flags['exthead']) { $extended_header_offset = 0; if ($id3v2_major_version == 3) { // v2.3 definition: //Extended header size $xx xx xx xx // 32-bit integer //Extended Flags $xx xx // %x0000000 %00000000 // v2.3 // x - CRC data present //Size of padding $xx xx xx xx $info_id3v2['exthead']['length'] = getid3_lib::BigEndian2Int(substr($frame_data, $extended_header_offset, 4), 0); $extended_header_offset += 4; $info_id3v2['exthead']['flag_bytes'] = 2; $info_id3v2['exthead']['flag_raw'] = getid3_lib::BigEndian2Int(substr($frame_data, $extended_header_offset, $info_id3v2['exthead']['flag_bytes'])); $extended_header_offset += $info_id3v2['exthead']['flag_bytes']; $info_id3v2['exthead']['flags']['crc'] = (bool) ($info_id3v2['exthead']['flag_raw'] & 0x8000); $info_id3v2['exthead']['padding_size'] = getid3_lib::BigEndian2Int(substr($frame_data, $extended_header_offset, 4)); $extended_header_offset += 4; if ($info_id3v2['exthead']['flags']['crc']) { $info_id3v2['exthead']['flag_data']['crc'] = getid3_lib::BigEndian2Int(substr($frame_data, $extended_header_offset, 4)); $extended_header_offset += 4; } $extended_header_offset += $info_id3v2['exthead']['padding_size']; } elseif ($id3v2_major_version == 4) { // v2.4 definition: //Extended header size 4 * %0xxxxxxx // 28-bit synchsafe integer //Number of flag bytes $01 //Extended Flags $xx // %0bcd0000 // v2.4 // b - Tag is an update // Flag data length $00 // c - CRC data present // Flag data length $05 // Total frame CRC 5 * %0xxxxxxx // d - Tag restrictions // Flag data length $01 $info_id3v2['exthead']['length'] = getid3_lib::BigEndian2Int(substr($frame_data, $extended_header_offset, 4), 1); $extended_header_offset += 4; $info_id3v2['exthead']['flag_bytes'] = 1; $info_id3v2['exthead']['flag_raw'] = getid3_lib::BigEndian2Int(substr($frame_data, $extended_header_offset, $info_id3v2['exthead']['flag_bytes'])); $extended_header_offset += $info_id3v2['exthead']['flag_bytes']; $info_id3v2['exthead']['flags']['update'] = (bool) ($info_id3v2['exthead']['flag_raw'] & 0x4000); $info_id3v2['exthead']['flags']['crc'] = (bool) ($info_id3v2['exthead']['flag_raw'] & 0x2000); $info_id3v2['exthead']['flags']['restrictions'] = (bool) ($info_id3v2['exthead']['flag_raw'] & 0x1000); if ($info_id3v2['exthead']['flags']['crc']) { $info_id3v2['exthead']['flag_data']['crc'] = getid3_lib::BigEndian2Int(substr($frame_data, $extended_header_offset, 5), 1); $extended_header_offset += 5; } if ($info_id3v2['exthead']['flags']['restrictions']) { // %ppqrrstt $restrictions_raw = getid3_lib::BigEndian2Int(substr($frame_data, $extended_header_offset, 1)); $extended_header_offset += 1; $info_id3v2['exthead']['flags']['restrictions']['tagsize'] = ($restrictions_raw && 0xc0) >> 6; // p - Tag size restrictions $info_id3v2['exthead']['flags']['restrictions']['textenc'] = ($restrictions_raw && 0x20) >> 5; // q - Text encoding restrictions $info_id3v2['exthead']['flags']['restrictions']['textsize'] = ($restrictions_raw && 0x18) >> 3; // r - Text fields size restrictions $info_id3v2['exthead']['flags']['restrictions']['imgenc'] = ($restrictions_raw && 0x4) >> 2; // s - Image encoding restrictions $info_id3v2['exthead']['flags']['restrictions']['imgsize'] = ($restrictions_raw && 0x3) >> 0; // t - Image size restrictions } } $frame_data_offset += $extended_header_offset; $frame_data = substr($frame_data, $extended_header_offset); } // end extended header while (isset($frame_data) && strlen($frame_data) > 0) { // cycle through until no more frame data is left to parse if (strlen($frame_data) <= ($id3v2_major_version == 2 ? 6 : 10)) { // insufficient room left in ID3v2 header for actual data - must be padding $info_id3v2['padding']['start'] = $frame_data_offset; $info_id3v2['padding']['length'] = strlen($frame_data); $info_id3v2['padding']['valid'] = true; for ($i = 0; $i < $info_id3v2['padding']['length']; $i++) { if ($frame_data[$i] != "") { $info_id3v2['padding']['valid'] = false; $info_id3v2['padding']['errorpos'] = $info_id3v2['padding']['start'] + $i; $getid3->warning('Invalid ID3v2 padding found at offset ' . $info_id3v2['padding']['errorpos'] . ' (the remaining ' . ($info_id3v2['padding']['length'] - $i) . ' bytes are considered invalid)'); break; } } break; // skip rest of ID3v2 header } if ($id3v2_major_version == 2) { // Frame ID $xx xx xx (three characters) // Size $xx xx xx (24-bit integer) // Flags $xx xx $frame_header = substr($frame_data, 0, 6); // take next 6 bytes for header $frame_data = substr($frame_data, 6); // and leave the rest in $frame_data $frame_name = substr($frame_header, 0, 3); $frame_size = getid3_lib::BigEndian2Int(substr($frame_header, 3, 3)); $frame_flags = 0; // not used for anything in ID3v2.2, just set to avoid E_NOTICEs } elseif ($id3v2_major_version > 2) { // Frame ID $xx xx xx xx (four characters) // Size $xx xx xx xx (32-bit integer in v2.3, 28-bit synchsafe in v2.4+) // Flags $xx xx $frame_header = substr($frame_data, 0, 10); // take next 10 bytes for header $frame_data = substr($frame_data, 10); // and leave the rest in $frame_data $frame_name = substr($frame_header, 0, 4); if ($id3v2_major_version == 3) { $frame_size = getid3_lib::BigEndian2Int(substr($frame_header, 4, 4)); // 32-bit integer } else { // ID3v2.4+ $frame_size = getid3_lib::BigEndianSyncSafe2Int(substr($frame_header, 4, 4)); // 32-bit synchsafe integer (28-bit value) } if ($frame_size < strlen($frame_data) + 4) { $nextFrameID = substr($frame_data, $frame_size, 4); if (getid3_id3v2::IsValidID3v2FrameName($nextFrameID, $id3v2_major_version)) { // next frame is OK } elseif ($frame_name == "" . 'MP3' || $frame_name == "" . 'MP' || $frame_name == ' MP3' || $frame_name == 'MP3e') { // MP3ext known broken frames - "ok" for the purposes of this test } elseif ($id3v2_major_version == 4 && getid3_id3v2::IsValidID3v2FrameName(substr($frame_data, getid3_lib::BigEndian2Int(substr($frame_header, 4, 4)), 4), 3)) { $getid3->warning('ID3v2 tag written as ID3v2.4, but with non-synchsafe integers (ID3v2.3 style). Older versions of (Helium2; iTunes) are known culprits of this. Tag has been parsed as ID3v2.3'); $id3v2_major_version = 3; $frame_size = getid3_lib::BigEndian2Int(substr($frame_header, 4, 4)); // 32-bit integer } } $frame_flags = getid3_lib::BigEndian2Int(substr($frame_header, 8, 2)); } if ($id3v2_major_version == 2 && $frame_name == "" || $frame_name == "") { // padding encountered $info_id3v2['padding']['start'] = $frame_data_offset; $info_id3v2['padding']['length'] = strlen($frame_header) + strlen($frame_data); $info_id3v2['padding']['valid'] = true; $len = strlen($frame_data); for ($i = 0; $i < $len; $i++) { if ($frame_data[$i] != "") { $info_id3v2['padding']['valid'] = false; $info_id3v2['padding']['errorpos'] = $info_id3v2['padding']['start'] + $i; $getid3->warning('Invalid ID3v2 padding found at offset ' . $info_id3v2['padding']['errorpos'] . ' (the remaining ' . ($info_id3v2['padding']['length'] - $i) . ' bytes are considered invalid)'); break; } } break; // skip rest of ID3v2 header } if ($frame_name == 'COM ') { $getid3->warning('error parsing "' . $frame_name . '" (' . $frame_data_offset . ' bytes into the ID3v2.' . $id3v2_major_version . ' tag). (ERROR: IsValidID3v2FrameName("' . str_replace("", ' ', $frame_name) . '", ' . $id3v2_major_version . '))). [Note: this particular error has been known to happen with tags edited by iTunes (versions "X v2.0.3", "v3.0.1" are known-guilty, probably others too)]'); $frame_name = 'COMM'; } if ($frame_size <= strlen($frame_data) && getid3_id3v2::IsValidID3v2FrameName($frame_name, $id3v2_major_version)) { unset($parsed_frame); $parsed_frame['frame_name'] = $frame_name; $parsed_frame['frame_flags_raw'] = $frame_flags; $parsed_frame['data'] = substr($frame_data, 0, $frame_size); $parsed_frame['datalength'] = (int) $frame_size; $parsed_frame['dataoffset'] = $frame_data_offset; $this->ParseID3v2Frame($parsed_frame); $info_id3v2[$frame_name][] = $parsed_frame; $frame_data = substr($frame_data, $frame_size); } else { // invalid frame length or FrameID if ($frame_size <= strlen($frame_data)) { if (getid3_id3v2::IsValidID3v2FrameName(substr($frame_data, $frame_size, 4), $id3v2_major_version)) { // next frame is valid, just skip the current frame $frame_data = substr($frame_data, $frame_size); $getid3->warning('Next ID3v2 frame is valid, skipping current frame.'); } else { // next frame is invalid too, abort processing throw new getid3_exception('Next ID3v2 frame is also invalid, aborting processing.'); } } elseif ($frame_size == strlen($frame_data)) { // this is the last frame, just skip $getid3->warning('This was the last ID3v2 frame.'); } else { // next frame is invalid too, abort processing $frame_data = null; $getid3->warning('Invalid ID3v2 frame size, aborting.'); } if (!getid3_id3v2::IsValidID3v2FrameName($frame_name, $id3v2_major_version)) { switch ($frame_name) { case "" . 'MP': case "" . 'MP3': case ' MP3': case 'MP3e': case "" . 'MP': case ' MP': case 'MP3': $getid3->warning('error parsing "' . $frame_name . '" (' . $frame_data_offset . ' bytes into the ID3v2.' . $id3v2_major_version . ' tag). (ERROR: !IsValidID3v2FrameName("' . str_replace("", ' ', $frame_name) . '", ' . $id3v2_major_version . '))). [Note: this particular error has been known to happen with tags edited by "MP3ext (www.mutschler.de/mp3ext/)"]'); break; default: $getid3->warning('error parsing "' . $frame_name . '" (' . $frame_data_offset . ' bytes into the ID3v2.' . $id3v2_major_version . ' tag). (ERROR: !IsValidID3v2FrameName("' . str_replace("", ' ', $frame_name) . '", ' . $id3v2_major_version . '))).'); break; } } elseif ($frame_size > strlen(@$frame_data)) { throw new getid3_exception('error parsing "' . $frame_name . '" (' . $frame_data_offset . ' bytes into the ID3v2.' . $id3v2_major_version . ' tag). (ERROR: $frame_size (' . $frame_size . ') > strlen($frame_data) (' . strlen($frame_data) . ')).'); } else { throw new getid3_exception('error parsing "' . $frame_name . '" (' . $frame_data_offset . ' bytes into the ID3v2.' . $id3v2_major_version . ' tag).'); } } $frame_data_offset += $frame_size + ($id3v2_major_version == 2 ? 6 : 10); } } // Footer // The footer is a copy of the header, but with a different identifier. // ID3v2 identifier "3DI" // ID3v2 version $04 00 // ID3v2 flags %abcd0000 // ID3v2 size 4 * %0xxxxxxx if (isset($info_id3v2_flags['isfooter']) && $info_id3v2_flags['isfooter']) { $footer = fread($getid3->fp, 10); if (substr($footer, 0, 3) == '3DI') { $info_id3v2['footer'] = true; $info_id3v2['majorversion_footer'] = ord($footer[3]); $info_id3v2['minorversion_footer'] = ord($footer[4]); } if ($info_id3v2['majorversion_footer'] <= 4) { $id3_flags = ord($footer[5]); $info_id3v2_flags['unsynch_footer'] = (bool) ($id3_flags & 0x80); $info_id3v2_flags['extfoot_footer'] = (bool) ($id3_flags & 0x40); $info_id3v2_flags['experim_footer'] = (bool) ($id3_flags & 0x20); $info_id3v2_flags['isfooter_footer'] = (bool) ($id3_flags & 0x10); $info_id3v2['footerlength'] = getid3_lib::BigEndianSyncSafe2Int(substr($footer, 6, 4)); } } // end footer if (isset($info_id3v2['comments']['genre'])) { foreach ($info_id3v2['comments']['genre'] as $key => $value) { unset($info_id3v2['comments']['genre'][$key]); $info_id3v2['comments'] = getid3_id3v2::array_merge_noclobber($info_id3v2['comments'], getid3_id3v2::ParseID3v2GenreString($value)); } } if (isset($info_id3v2['comments']['track'])) { foreach ($info_id3v2['comments']['track'] as $key => $value) { if (strstr($value, '/')) { list($info_id3v2['comments']['track'][$key], $info_id3v2['comments']['totaltracks'][$key]) = explode('/', $info_id3v2['comments']['track'][$key]); } } } // Use year from recording time if year not set if (!isset($info_id3v2['comments']['year']) && ereg('^([0-9]{4})', @$info_id3v2['comments']['recording_time'][0], $matches)) { $info_id3v2['comments']['year'] = array($matches[1]); } // Set avdataoffset $getid3->info['avdataoffset'] = $info_id3v2['headerlength']; if (isset($info_id3v2['footer'])) { $getid3->info['avdataoffset'] += 10; } return true; }
public function Analyze() { $getid3 = $this->getid3; $getid3->info['riff']['raw'] = array(); $info_riff =& $getid3->info['riff']; $info_riff_raw =& $info_riff['raw']; $info_audio =& $getid3->info['audio']; $info_video =& $getid3->info['video']; $info_avdataoffset =& $getid3->info['avdataoffset']; $info_avdataend =& $getid3->info['avdataend']; $info_audio_dataformat =& $info_audio['dataformat']; $info_riff_audio =& $info_riff['audio']; $info_riff_video =& $info_riff['video']; $original['avdataend'] = $info_avdataend; $this->fseek($info_avdataoffset, SEEK_SET); $riff_header = $this->fread(12); $riff_sub_type = substr($riff_header, 8, 4); switch (substr($riff_header, 0, 4)) { case 'FORM': $getid3->info['fileformat'] = 'aiff'; $this->endian_function = 'BigEndian2Int'; $riff_header_size = getid3_lib::BigEndian2Int(substr($riff_header, 4, 4)); $info_riff[$riff_sub_type] = $this->ParseRIFF($info_avdataoffset + 12, $info_avdataoffset + $riff_header_size); $info_riff['header_size'] = $riff_header_size; break; case 'RIFF': case 'SDSS': // SDSS is identical to RIFF, just renamed. Used by SmartSound QuickTracks (www.smartsound.com) // SDSS is identical to RIFF, just renamed. Used by SmartSound QuickTracks (www.smartsound.com) case 'RMP3': // RMP3 is identical to RIFF, just renamed. Used by [unknown program] when creating RIFF-MP3s if ($riff_sub_type == 'RMP3') { $riff_sub_type = 'WAVE'; } $getid3->info['fileformat'] = 'riff'; $this->endian_function = 'LittleEndian2Int'; $riff_header_size = getid3_lib::LittleEndian2Int(substr($riff_header, 4, 4)); $info_riff[$riff_sub_type] = $this->ParseRIFF($info_avdataoffset + 12, $info_avdataoffset + $riff_header_size); $info_riff['header_size'] = $riff_header_size; if ($riff_sub_type == 'WAVE') { $info_riff_wave =& $info_riff['WAVE']; } break; default: throw new getid3_exception('Cannot parse RIFF (this is maybe not a RIFF / WAV / AVI file?) - expecting "FORM|RIFF|SDSS|RMP3" found "' . $riff_sub_type . '" instead'); } $endian_function = $this->endian_function; $stream_index = 0; switch ($riff_sub_type) { case 'WAVE': if (empty($info_audio['bitrate_mode'])) { $info_audio['bitrate_mode'] = 'cbr'; } if (empty($info_audio_dataformat)) { $info_audio_dataformat = 'wav'; } if (isset($info_riff_wave['data'][0]['offset'])) { $info_avdataoffset = $info_riff_wave['data'][0]['offset'] + 8; $info_avdataend = $info_avdataoffset + $info_riff_wave['data'][0]['size']; } if (isset($info_riff_wave['fmt '][0]['data'])) { $info_riff_audio[$stream_index] = getid3_riff::RIFFparseWAVEFORMATex($info_riff_wave['fmt '][0]['data']); $info_audio['wformattag'] = $info_riff_audio[$stream_index]['raw']['wFormatTag']; $info_riff_raw['fmt '] = $info_riff_audio[$stream_index]['raw']; unset($info_riff_audio[$stream_index]['raw']); $info_audio['streams'][$stream_index] = $info_riff_audio[$stream_index]; $info_audio = getid3_riff::array_merge_noclobber($info_audio, $info_riff_audio[$stream_index]); if (substr($info_audio['codec'], 0, strlen('unknown: 0x')) == 'unknown: 0x') { $getid3->warning('Audio codec = ' . $info_audio['codec']); } $info_audio['bitrate'] = $info_riff_audio[$stream_index]['bitrate']; $getid3->info['playtime_seconds'] = (double) (($info_avdataend - $info_avdataoffset) * 8 / $info_audio['bitrate']); $info_audio['lossless'] = false; if (isset($info_riff_wave['data'][0]['offset']) && isset($info_riff_raw['fmt ']['wFormatTag'])) { switch ($info_riff_raw['fmt ']['wFormatTag']) { case 0x1: // PCM $info_audio['lossless'] = true; break; case 0x2000: // AC-3 $info_audio_dataformat = 'ac3'; break; default: // do nothing break; } } $info_audio['streams'][$stream_index]['wformattag'] = $info_audio['wformattag']; $info_audio['streams'][$stream_index]['bitrate_mode'] = $info_audio['bitrate_mode']; $info_audio['streams'][$stream_index]['lossless'] = $info_audio['lossless']; $info_audio['streams'][$stream_index]['dataformat'] = $info_audio_dataformat; } if (isset($info_riff_wave['rgad'][0]['data'])) { // shortcuts $rgadData =& $info_riff_wave['rgad'][0]['data']; $info_riff_raw['rgad'] = array('track' => array(), 'album' => array()); $info_riff_raw_rgad =& $info_riff_raw['rgad']; $info_riff_raw_rgad_track =& $info_riff_raw_rgad['track']; $info_riff_raw_rgad_album =& $info_riff_raw_rgad['album']; $info_riff_raw_rgad['fPeakAmplitude'] = getid3_riff::BigEndian2Float(strrev(substr($rgadData, 0, 4))); // LittleEndian2Float() $info_riff_raw_rgad['nRadioRgAdjust'] = getid3_lib::$endian_function(substr($rgadData, 4, 2)); $info_riff_raw_rgad['nAudiophileRgAdjust'] = getid3_lib::$endian_function(substr($rgadData, 6, 2)); $n_track_rg_adjust_bit_string = str_pad(decbin($info_riff_raw_rgad['nRadioRgAdjust']), 16, '0', STR_PAD_LEFT); $n_album_rg_adjust_bit_string = str_pad(decbin($info_riff_raw_rgad['nAudiophileRgAdjust']), 16, '0', STR_PAD_LEFT); $info_riff_raw_rgad_track['name'] = bindec(substr($n_track_rg_adjust_bit_string, 0, 3)); $info_riff_raw_rgad_track['originator'] = bindec(substr($n_track_rg_adjust_bit_string, 3, 3)); $info_riff_raw_rgad_track['signbit'] = bindec($n_track_rg_adjust_bit_string[6]); $info_riff_raw_rgad_track['adjustment'] = bindec(substr($n_track_rg_adjust_bit_string, 7, 9)); $info_riff_raw_rgad_album['name'] = bindec(substr($n_album_rg_adjust_bit_string, 0, 3)); $info_riff_raw_rgad_album['originator'] = bindec(substr($n_album_rg_adjust_bit_string, 3, 3)); $info_riff_raw_rgad_album['signbit'] = bindec($n_album_rg_adjust_bit_string[6]); $info_riff_raw_rgad_album['adjustment'] = bindec(substr($n_album_rg_adjust_bit_string, 7, 9)); $info_riff['rgad']['peakamplitude'] = $info_riff_raw_rgad['fPeakAmplitude']; if ($info_riff_raw_rgad_track['name'] != 0 && $info_riff_raw_rgad_track['originator'] != 0) { $info_riff['rgad']['track']['name'] = getid3_lib_replaygain::NameLookup($info_riff_raw_rgad_track['name']); $info_riff['rgad']['track']['originator'] = getid3_lib_replaygain::OriginatorLookup($info_riff_raw_rgad_track['originator']); $info_riff['rgad']['track']['adjustment'] = getid3_lib_replaygain::AdjustmentLookup($info_riff_raw_rgad_track['adjustment'], $info_riff_raw_rgad_track['signbit']); } if ($info_riff_raw_rgad_album['name'] != 0 && $info_riff_raw_rgad_album['originator'] != 0) { $info_riff['rgad']['album']['name'] = getid3_lib_replaygain::NameLookup($info_riff_raw_rgad_album['name']); $info_riff['rgad']['album']['originator'] = getid3_lib_replaygain::OriginatorLookup($info_riff_raw_rgad_album['originator']); $info_riff['rgad']['album']['adjustment'] = getid3_lib_replaygain::AdjustmentLookup($info_riff_raw_rgad_album['adjustment'], $info_riff_raw_rgad_album['signbit']); } } if (isset($info_riff_wave['fact'][0]['data'])) { $info_riff_raw['fact']['NumberOfSamples'] = getid3_lib::$endian_function(substr($info_riff_wave['fact'][0]['data'], 0, 4)); // This should be a good way of calculating exact playtime, but some sample files have had incorrect number of samples, so cannot use this method // if (!empty($info_riff_raw['fmt ']['nSamplesPerSec'])) { // $getid3->info['playtime_seconds'] = (float)$info_riff_raw['fact']['NumberOfSamples'] / $info_riff_raw['fmt ']['nSamplesPerSec']; // } } if (!empty($info_riff_raw['fmt ']['nAvgBytesPerSec'])) { $info_audio['bitrate'] = (int) $info_riff_raw['fmt ']['nAvgBytesPerSec'] * 8; } if (isset($info_riff_wave['bext'][0]['data'])) { $info_riff_wave_bext_0 =& $info_riff_wave['bext'][0]; getid3_lib::ReadSequence('LittleEndian2Int', $info_riff_wave_bext_0, $info_riff_wave_bext_0['data'], 0, array('title' => -256, 'author' => -32, 'reference' => -32, 'origin_date' => -10, 'origin_time' => -8, 'time_reference' => 8, 'bwf_version' => 1, 'reserved' => 254)); foreach (array('title', 'author', 'reference') as $key) { $info_riff_wave_bext_0[$key] = trim($info_riff_wave_bext_0[$key]); } $info_riff_wave_bext_0['coding_history'] = explode("\r\n", trim(substr($info_riff_wave_bext_0['data'], 601))); $info_riff_wave_bext_0['origin_date_unix'] = gmmktime(substr($info_riff_wave_bext_0['origin_time'], 0, 2), substr($info_riff_wave_bext_0['origin_time'], 3, 2), substr($info_riff_wave_bext_0['origin_time'], 6, 2), substr($info_riff_wave_bext_0['origin_date'], 5, 2), substr($info_riff_wave_bext_0['origin_date'], 8, 2), substr($info_riff_wave_bext_0['origin_date'], 0, 4)); $info_riff['comments']['author'][] = $info_riff_wave_bext_0['author']; $info_riff['comments']['title'][] = $info_riff_wave_bext_0['title']; } if (isset($info_riff_wave['MEXT'][0]['data'])) { $info_riff_wave_mext_0 =& $info_riff_wave['MEXT'][0]; $info_riff_wave_mext_0['raw']['sound_information'] = getid3_lib::LittleEndian2Int(substr($info_riff_wave_mext_0['data'], 0, 2)); $info_riff_wave_mext_0['flags']['homogenous'] = (bool) ($info_riff_wave_mext_0['raw']['sound_information'] & 0x1); if ($info_riff_wave_mext_0['flags']['homogenous']) { $info_riff_wave_mext_0['flags']['padding'] = $info_riff_wave_mext_0['raw']['sound_information'] & 0x2 ? false : true; $info_riff_wave_mext_0['flags']['22_or_44'] = (bool) ($info_riff_wave_mext_0['raw']['sound_information'] & 0x4); $info_riff_wave_mext_0['flags']['free_format'] = (bool) ($info_riff_wave_mext_0['raw']['sound_information'] & 0x8); $info_riff_wave_mext_0['nominal_frame_size'] = getid3_lib::LittleEndian2Int(substr($info_riff_wave_mext_0['data'], 2, 2)); } $info_riff_wave_mext_0['anciliary_data_length'] = getid3_lib::LittleEndian2Int(substr($info_riff_wave_mext_0['data'], 6, 2)); $info_riff_wave_mext_0['raw']['anciliary_data_def'] = getid3_lib::LittleEndian2Int(substr($info_riff_wave_mext_0['data'], 8, 2)); $info_riff_wave_mext_0['flags']['anciliary_data_left'] = (bool) ($info_riff_wave_mext_0['raw']['anciliary_data_def'] & 0x1); $info_riff_wave_mext_0['flags']['anciliary_data_free'] = (bool) ($info_riff_wave_mext_0['raw']['anciliary_data_def'] & 0x2); $info_riff_wave_mext_0['flags']['anciliary_data_right'] = (bool) ($info_riff_wave_mext_0['raw']['anciliary_data_def'] & 0x4); } if (isset($info_riff_wave['cart'][0]['data'])) { $info_riff_wave_cart_0 =& $info_riff_wave['cart'][0]; getid3_lib::ReadSequence('LittleEndian2Int', $info_riff_wave_cart_0, $info_riff_wave_cart_0['data'], 0, array('version' => -4, 'title' => -64, 'artist' => -64, 'cut_id' => -64, 'client_id' => -64, 'category' => -64, 'classification' => -64, 'out_cue' => -64, 'start_date' => -10, 'start_time' => -8, 'end_date' => -10, 'end_time' => -8, 'producer_app_id' => -64, 'producer_app_version' => -64, 'user_defined_text' => -64)); foreach (array('artist', 'cut_id', 'client_id', 'category', 'classification', 'out_cue', 'start_date', 'start_time', 'end_date', 'end_time', 'producer_app_id', 'producer_app_version', 'user_defined_text') as $key) { $info_riff_wave_cart_0[$key] = trim($info_riff_wave_cart_0[$key]); } $info_riff_wave_cart_0['zero_db_reference'] = getid3_lib::LittleEndian2Int(substr($info_riff_wave_cart_0['data'], 680, 4), true); for ($i = 0; $i < 8; $i++) { $info_riff_wave_cart_0['post_time'][$i]['usage_fourcc'] = substr($info_riff_wave_cart_0['data'], 684 + $i * 8, 4); $info_riff_wave_cart_0['post_time'][$i]['timer_value'] = getid3_lib::LittleEndian2Int(substr($info_riff_wave_cart_0['data'], 684 + $i * 8 + 4, 4)); } $info_riff_wave_cart_0['url'] = trim(substr($info_riff_wave_cart_0['data'], 748, 1024)); $info_riff_wave_cart_0['tag_text'] = explode("\r\n", trim(substr($info_riff_wave_cart_0['data'], 1772))); $info_riff['comments']['artist'][] = $info_riff_wave_cart_0['artist']; $info_riff['comments']['title'][] = $info_riff_wave_cart_0['title']; } if (!isset($info_audio['bitrate']) && isset($info_riff_audio[$stream_index]['bitrate'])) { $info_audio['bitrate'] = $info_riff_audio[$stream_index]['bitrate']; $getid3->info['playtime_seconds'] = (double) (($info_avdataend - $info_avdataoffset) * 8 / $info_audio['bitrate']); } if (@$getid3->info['wavpack']) { if (!$this->data_string_flag) { $info_audio_dataformat = 'wavpack'; $info_audio['bitrate_mode'] = 'vbr'; $info_audio['encoder'] = 'WavPack v' . $getid3->info['wavpack']['version']; // Reset to the way it was - RIFF parsing will have messed this up $info_avdataend = $original['avdataend']; $info_audio['bitrate'] = ($info_avdataend - $info_avdataoffset) * 8 / $getid3->info['playtime_seconds']; $this->fseek($info_avdataoffset - 44, SEEK_SET); $riff_data = $this->fread(44); $orignal_riff_header_size = getid3_lib::LittleEndian2Int(substr($riff_data, 4, 4)) + 8; $orignal_riff_data_size = getid3_lib::LittleEndian2Int(substr($riff_data, 40, 4)) + 44; if ($orignal_riff_header_size > $orignal_riff_data_size) { $info_avdataend -= $orignal_riff_header_size - $orignal_riff_data_size; $this->fseek($info_avdataend, SEEK_SET); $riff_data .= $this->fread($orignal_riff_header_size - $orignal_riff_data_size); } // move the data chunk after all other chunks (if any) // so that the RIFF parser doesn't see EOF when trying // to skip over the data chunk $riff_data = substr($riff_data, 0, 36) . substr($riff_data, 44) . substr($riff_data, 36, 8); // Save audio info key $saved_info_audio = $info_audio; // Analyze riff_data $this->AnalyzeString($riff_data); // Restore info key $info_audio = $saved_info_audio; } } if (isset($info_riff_raw['fmt ']['wFormatTag'])) { switch ($info_riff_raw['fmt ']['wFormatTag']) { case 0x8ae: // ClearJump LiteWave $info_audio['bitrate_mode'] = 'vbr'; $info_audio_dataformat = 'litewave'; //typedef struct tagSLwFormat { // WORD m_wCompFormat; // low byte defines compression method, high byte is compression flags // DWORD m_dwScale; // scale factor for lossy compression // DWORD m_dwBlockSize; // number of samples in encoded blocks // WORD m_wQuality; // alias for the scale factor // WORD m_wMarkDistance; // distance between marks in bytes // WORD m_wReserved; // // //following paramters are ignored if CF_FILESRC is not set // DWORD m_dwOrgSize; // original file size in bytes // WORD m_bFactExists; // indicates if 'fact' chunk exists in the original file // DWORD m_dwRiffChunkSize; // riff chunk size in the original file // // PCMWAVEFORMAT m_OrgWf; // original wave format // }SLwFormat, *PSLwFormat; $info_riff['litewave']['raw'] = array(); $info_riff_litewave =& $info_riff['litewave']; $info_riff_litewave_raw =& $info_riff_litewave['raw']; getid3_lib::ReadSequence('LittleEndian2Int', $info_riff_litewave_raw, $info_riff_wave['fmt '][0]['data'], 18, array('compression_method' => 1, 'compression_flags' => 1, 'm_dwScale' => 4, 'm_dwBlockSize' => 4, 'm_wQuality' => 2, 'm_wMarkDistance' => 2, 'm_wReserved' => 2, 'm_dwOrgSize' => 4, 'm_bFactExists' => 2, 'm_dwRiffChunkSize' => 4)); //$info_riff_litewave['quality_factor'] = intval(round((2000 - $info_riff_litewave_raw['m_dwScale']) / 20)); $info_riff_litewave['quality_factor'] = $info_riff_litewave_raw['m_wQuality']; $info_riff_litewave['flags']['raw_source'] = $info_riff_litewave_raw['compression_flags'] & 0x1 ? false : true; $info_riff_litewave['flags']['vbr_blocksize'] = $info_riff_litewave_raw['compression_flags'] & 0x2 ? false : true; $info_riff_litewave['flags']['seekpoints'] = (bool) ($info_riff_litewave_raw['compression_flags'] & 0x4); $info_audio['lossless'] = $info_riff_litewave_raw['m_wQuality'] == 100 ? true : false; $info_audio['encoder_options'] = '-q' . $info_riff_litewave['quality_factor']; break; } } if ($info_avdataend > $getid3->info['filesize']) { switch (@$info_audio_dataformat) { case 'wavpack': // WavPack // WavPack case 'lpac': // LPAC // LPAC case 'ofr': // OptimFROG // OptimFROG case 'ofs': // OptimFROG DualStream // lossless compressed audio formats that keep original RIFF headers - skip warning break; case 'litewave': if ($info_avdataend - $getid3->info['filesize'] == 1) { // LiteWave appears to incorrectly *not* pad actual output file // to nearest WORD boundary so may appear to be short by one // byte, in which case - skip warning } else { // Short by more than one byte, throw warning $getid3->warning('Probably truncated file - expecting ' . $info_riff[$riff_sub_type]['data'][0]['size'] . ' bytes of data, only found ' . ($getid3->info['filesize'] - $info_avdataoffset) . ' (short by ' . ($info_riff[$riff_sub_type]['data'][0]['size'] - ($getid3->info['filesize'] - $info_avdataoffset)) . ' bytes)'); } break; default: if ($info_avdataend - $getid3->info['filesize'] == 1 && $info_riff[$riff_sub_type]['data'][0]['size'] % 2 == 0 && ($getid3->info['filesize'] - $info_avdataoffset) % 2 == 1) { // output file appears to be incorrectly *not* padded to nearest WORD boundary // Output less severe warning $getid3->warning('File should probably be padded to nearest WORD boundary, but it is not (expecting ' . $info_riff[$riff_sub_type]['data'][0]['size'] . ' bytes of data, only found ' . ($getid3->info['filesize'] - $info_avdataoffset) . ' therefore short by ' . ($info_riff[$riff_sub_type]['data'][0]['size'] - ($getid3->info['filesize'] - $info_avdataoffset)) . ' bytes)'); $info_avdataend = $getid3->info['filesize']; break; } // Short by more than one byte, throw warning $getid3->warning('Probably truncated file - expecting ' . $info_riff[$riff_sub_type]['data'][0]['size'] . ' bytes of data, only found ' . ($getid3->info['filesize'] - $info_avdataoffset) . ' (short by ' . ($info_riff[$riff_sub_type]['data'][0]['size'] - ($getid3->info['filesize'] - $info_avdataoffset)) . ' bytes)'); $info_avdataend = $getid3->info['filesize']; break; } } if (!empty($getid3->info['mpeg']['audio']['LAME']['audio_bytes'])) { if ($info_avdataend - $info_avdataoffset - $getid3->info['mpeg']['audio']['LAME']['audio_bytes'] == 1) { $info_avdataend--; $getid3->warning('Extra null byte at end of MP3 data assumed to be RIFF padding and therefore ignored'); } } if (@$info_audio_dataformat == 'ac3') { unset($info_audio['bits_per_sample']); if (!empty($getid3->info['ac3']['bitrate']) && $getid3->info['ac3']['bitrate'] != $info_audio['bitrate']) { $info_audio['bitrate'] = $getid3->info['ac3']['bitrate']; } } break; case 'AVI ': $info_video['bitrate_mode'] = 'vbr'; // maybe not, but probably $info_video['dataformat'] = 'avi'; $getid3->info['mime_type'] = 'video/avi'; if (isset($info_riff[$riff_sub_type]['movi']['offset'])) { $info_avdataoffset = $info_riff[$riff_sub_type]['movi']['offset'] + 8; $info_avdataend = $info_avdataoffset + $info_riff[$riff_sub_type]['movi']['size']; if ($info_avdataend > $getid3->info['filesize']) { $getid3->warning('Probably truncated file - expecting ' . $info_riff[$riff_sub_type]['movi']['size'] . ' bytes of data, only found ' . ($getid3->info['filesize'] - $info_avdataoffset) . ' (short by ' . ($info_riff[$riff_sub_type]['movi']['size'] - ($getid3->info['filesize'] - $info_avdataoffset)) . ' bytes)'); $info_avdataend = $getid3->info['filesize']; } } if (isset($info_riff['AVI ']['hdrl']['avih'][$stream_index]['data'])) { $avihData = $info_riff['AVI ']['hdrl']['avih'][$stream_index]['data']; $info_riff_raw['avih'] = array(); $info_riff_raw_avih =& $info_riff_raw['avih']; getid3_lib::ReadSequence($this->endian_function, $info_riff_raw_avih, $avihData, 0, array('dwMicroSecPerFrame' => 4, 'dwMaxBytesPerSec' => 4, 'dwPaddingGranularity' => 4, 'dwFlags' => 4, 'dwTotalFrames' => 4, 'dwInitialFrames' => 4, 'dwStreams' => 4, 'dwSuggestedBufferSize' => 4, 'dwWidth' => 4, 'dwHeight' => 4, 'dwScale' => 4, 'dwRate' => 4, 'dwStart' => 4, 'dwLength' => 4)); $info_riff_raw_avih['flags']['hasindex'] = (bool) ($info_riff_raw_avih['dwFlags'] & 0x10); $info_riff_raw_avih['flags']['mustuseindex'] = (bool) ($info_riff_raw_avih['dwFlags'] & 0x20); $info_riff_raw_avih['flags']['interleaved'] = (bool) ($info_riff_raw_avih['dwFlags'] & 0x100); $info_riff_raw_avih['flags']['trustcktype'] = (bool) ($info_riff_raw_avih['dwFlags'] & 0x800); $info_riff_raw_avih['flags']['capturedfile'] = (bool) ($info_riff_raw_avih['dwFlags'] & 0x10000); $info_riff_raw_avih['flags']['copyrighted'] = (bool) ($info_riff_raw_avih['dwFlags'] & 0x20010); $info_riff_video[$stream_index] = array(); $info_riff_video_current =& $info_riff_video[$stream_index]; if ($info_riff_raw_avih['dwWidth'] > 0) { $info_riff_video_current['frame_width'] = $info_riff_raw_avih['dwWidth']; $info_video['resolution_x'] = $info_riff_video_current['frame_width']; } if ($info_riff_raw_avih['dwHeight'] > 0) { $info_riff_video_current['frame_height'] = $info_riff_raw_avih['dwHeight']; $info_video['resolution_y'] = $info_riff_video_current['frame_height']; } if ($info_riff_raw_avih['dwTotalFrames'] > 0) { $info_riff_video_current['total_frames'] = $info_riff_raw_avih['dwTotalFrames']; $info_video['total_frames'] = $info_riff_video_current['total_frames']; } $info_riff_video_current['frame_rate'] = round(1000000 / $info_riff_raw_avih['dwMicroSecPerFrame'], 3); $info_video['frame_rate'] = $info_riff_video_current['frame_rate']; } if (isset($info_riff['AVI ']['hdrl']['strl']['strh'][0]['data'])) { if (is_array($info_riff['AVI ']['hdrl']['strl']['strh'])) { for ($i = 0; $i < count($info_riff['AVI ']['hdrl']['strl']['strh']); $i++) { if (isset($info_riff['AVI ']['hdrl']['strl']['strh'][$i]['data'])) { $strh_data = $info_riff['AVI ']['hdrl']['strl']['strh'][$i]['data']; $strh_fcc_type = substr($strh_data, 0, 4); if (isset($info_riff['AVI ']['hdrl']['strl']['strf'][$i]['data'])) { $strf_data = $info_riff['AVI ']['hdrl']['strl']['strf'][$i]['data']; // shortcut $info_riff_raw_strf_strh_fcc_type_stream_index =& $info_riff_raw['strf'][$strh_fcc_type][$stream_index]; switch ($strh_fcc_type) { case 'auds': $info_audio['bitrate_mode'] = 'cbr'; $info_audio_dataformat = 'wav'; if (isset($info_riff_audio) && is_array($info_riff_audio)) { $stream_index = count($info_riff_audio); } $info_riff_audio[$stream_index] = getid3_riff::RIFFparseWAVEFORMATex($strf_data); $info_audio['wformattag'] = $info_riff_audio[$stream_index]['raw']['wFormatTag']; // shortcut $info_audio['streams'][$stream_index] = $info_riff_audio[$stream_index]; $info_audio_streams_currentstream =& $info_audio['streams'][$stream_index]; if (@$info_audio_streams_currentstream['bits_per_sample'] === 0) { unset($info_audio_streams_currentstream['bits_per_sample']); } $info_audio_streams_currentstream['wformattag'] = $info_audio_streams_currentstream['raw']['wFormatTag']; unset($info_audio_streams_currentstream['raw']); // shortcut $info_riff_raw['strf'][$strh_fcc_type][$stream_index] = $info_riff_audio[$stream_index]['raw']; unset($info_riff_audio[$stream_index]['raw']); $info_audio = getid3_riff::array_merge_noclobber($info_audio, $info_riff_audio[$stream_index]); $info_audio['lossless'] = false; switch ($info_riff_raw_strf_strh_fcc_type_stream_index['wFormatTag']) { case 0x1: // PCM $info_audio_dataformat = 'wav'; $info_audio['lossless'] = true; break; case 0x50: // MPEG Layer 2 or Layer 1 $info_audio_dataformat = 'mp2'; // Assume Layer-2 break; case 0x55: // MPEG Layer 3 $info_audio_dataformat = 'mp3'; break; case 0xff: // AAC $info_audio_dataformat = 'aac'; break; case 0x161: // Windows Media v7 / v8 / v9 // Windows Media v7 / v8 / v9 case 0x162: // Windows Media Professional v9 // Windows Media Professional v9 case 0x163: // Windows Media Lossess v9 $info_audio_dataformat = 'wma'; break; case 0x2000: // AC-3 $info_audio_dataformat = 'ac3'; break; case 0x2001: // DTS $info_audio_dataformat = 'dts'; break; default: $info_audio_dataformat = 'wav'; break; } $info_audio_streams_currentstream['dataformat'] = $info_audio_dataformat; $info_audio_streams_currentstream['lossless'] = $info_audio['lossless']; $info_audio_streams_currentstream['bitrate_mode'] = $info_audio['bitrate_mode']; break; case 'iavs': case 'vids': // shortcut $info_riff_raw['strh'][$i] = array(); $info_riff_raw_strh_current =& $info_riff_raw['strh'][$i]; getid3_lib::ReadSequence($this->endian_function, $info_riff_raw_strh_current, $strh_data, 0, array('fccType' => -4, 'fccHandler' => -4, 'dwFlags' => 4, 'wPriority' => 2, 'wLanguage' => 2, 'dwInitialFrames' => 4, 'dwScale' => 4, 'dwRate' => 4, 'dwStart' => 4, 'dwLength' => 4, 'dwSuggestedBufferSize' => 4, 'dwQuality' => 4, 'dwSampleSize' => 4, 'rcFrame' => 4)); $info_riff_video_current['codec'] = getid3_riff::RIFFfourccLookup($info_riff_raw_strh_current['fccHandler']); $info_video['fourcc'] = $info_riff_raw_strh_current['fccHandler']; if (!$info_riff_video_current['codec'] && isset($info_riff_raw_strf_strh_fcc_type_stream_index['fourcc']) && getid3_riff::RIFFfourccLookup($info_riff_raw_strf_strh_fcc_type_stream_index['fourcc'])) { $info_riff_video_current['codec'] = getid3_riff::RIFFfourccLookup($info_riff_raw_strf_strh_fcc_type_stream_index['fourcc']); $info_video['fourcc'] = $info_riff_raw_strf_strh_fcc_type_stream_index['fourcc']; } $info_video['codec'] = $info_riff_video_current['codec']; $info_video['pixel_aspect_ratio'] = (double) 1; switch ($info_riff_raw_strh_current['fccHandler']) { case 'HFYU': // Huffman Lossless Codec // Huffman Lossless Codec case 'IRAW': // Intel YUV Uncompressed // Intel YUV Uncompressed case 'YUY2': // Uncompressed YUV 4:2:2 $info_video['lossless'] = true; break; default: $info_video['lossless'] = false; break; } switch ($strh_fcc_type) { case 'vids': getid3_lib::ReadSequence($this->endian_function, $info_riff_raw_strf_strh_fcc_type_stream_index, $strf_data, 0, array('biSize' => 4, 'biWidth' => 4, 'biHeight' => 4, 'biPlanes' => 2, 'biBitCount' => 2, 'fourcc' => -4, 'biSizeImage' => 4, 'biXPelsPerMeter' => 4, 'biYPelsPerMeter' => 4, 'biClrUsed' => 4, 'biClrImportant' => 4)); $info_video['bits_per_sample'] = $info_riff_raw_strf_strh_fcc_type_stream_index['biBitCount']; if ($info_riff_video_current['codec'] == 'DV') { $info_riff_video_current['dv_type'] = 2; } break; case 'iavs': $info_riff_video_current['dv_type'] = 1; break; } break; default: $getid3->warning('Unhandled fccType for stream (' . $i . '): "' . $strh_fcc_type . '"'); break; } } } if (isset($info_riff_raw_strf_strh_fcc_type_stream_index['fourcc']) && getid3_riff::RIFFfourccLookup($info_riff_raw_strf_strh_fcc_type_stream_index['fourcc'])) { $info_riff_video_current['codec'] = getid3_riff::RIFFfourccLookup($info_riff_raw_strf_strh_fcc_type_stream_index['fourcc']); $info_video['codec'] = $info_riff_video_current['codec']; $info_video['fourcc'] = $info_riff_raw_strf_strh_fcc_type_stream_index['fourcc']; switch ($info_riff_raw_strf_strh_fcc_type_stream_index['fourcc']) { case 'HFYU': // Huffman Lossless Codec // Huffman Lossless Codec case 'IRAW': // Intel YUV Uncompressed // Intel YUV Uncompressed case 'YUY2': // Uncompressed YUV 4:2:2 $info_video['lossless'] = true; $info_video['bits_per_sample'] = 24; break; default: $info_video['lossless'] = false; $info_video['bits_per_sample'] = 24; break; } } } } } break; case 'CDDA': $info_audio['bitrate_mode'] = 'cbr'; $info_audio_dataformat = 'cda'; $info_audio['lossless'] = true; unset($getid3->info['mime_type']); $info_avdataoffset = 44; if (isset($info_riff['CDDA']['fmt '][0]['data'])) { $info_riff_cdda_fmt_0 =& $info_riff['CDDA']['fmt '][0]; getid3_lib::ReadSequence($this->endian_function, $info_riff_cdda_fmt_0, $info_riff_cdda_fmt_0['data'], 0, array('unknown1' => 2, 'track_num' => 2, 'disc_id' => 4, 'start_offset_frame' => 4, 'playtime_frames' => 4, 'unknown6' => 4, 'unknown7' => 4)); $info_riff_cdda_fmt_0['start_offset_seconds'] = (double) $info_riff_cdda_fmt_0['start_offset_frame'] / 75; $info_riff_cdda_fmt_0['playtime_seconds'] = (double) $info_riff_cdda_fmt_0['playtime_frames'] / 75; $getid3->info['comments']['track'] = $info_riff_cdda_fmt_0['track_num']; $getid3->info['playtime_seconds'] = $info_riff_cdda_fmt_0['playtime_seconds']; // hardcoded data for CD-audio $info_audio['sample_rate'] = 44100; $info_audio['channels'] = 2; $info_audio['bits_per_sample'] = 16; $info_audio['bitrate'] = $info_audio['sample_rate'] * $info_audio['channels'] * $info_audio['bits_per_sample']; $info_audio['bitrate_mode'] = 'cbr'; } break; case 'AIFF': case 'AIFC': $info_audio['bitrate_mode'] = 'cbr'; $info_audio_dataformat = 'aiff'; $info_audio['lossless'] = true; $getid3->info['mime_type'] = 'audio/x-aiff'; if (isset($info_riff[$riff_sub_type]['SSND'][0]['offset'])) { $info_avdataoffset = $info_riff[$riff_sub_type]['SSND'][0]['offset'] + 8; $info_avdataend = $info_avdataoffset + $info_riff[$riff_sub_type]['SSND'][0]['size']; if ($info_avdataend > $getid3->info['filesize']) { if ($info_avdataend == $getid3->info['filesize'] + 1 && $getid3->info['filesize'] % 2 == 1) { // structures rounded to 2-byte boundary, but dumb encoders // forget to pad end of file to make this actually work } else { $getid3->warning('Probable truncated AIFF file: expecting ' . $info_riff[$riff_sub_type]['SSND'][0]['size'] . ' bytes of audio data, only ' . ($getid3->info['filesize'] - $info_avdataoffset) . ' bytes found'); } $info_avdataend = $getid3->info['filesize']; } } if (isset($info_riff[$riff_sub_type]['COMM'][0]['data'])) { // shortcut $info_riff_RIFFsubtype_COMM_0_data =& $info_riff[$riff_sub_type]['COMM'][0]['data']; $info_riff_audio['channels'] = getid3_lib::BigEndianSyncSafe2Int(substr($info_riff_RIFFsubtype_COMM_0_data, 0, 2)); $info_riff_audio['total_samples'] = getid3_lib::BigEndian2Int(substr($info_riff_RIFFsubtype_COMM_0_data, 2, 4)); $info_riff_audio['bits_per_sample'] = getid3_lib::BigEndianSyncSafe2Int(substr($info_riff_RIFFsubtype_COMM_0_data, 6, 2)); $info_riff_audio['sample_rate'] = (int) getid3_riff::BigEndian2Float(substr($info_riff_RIFFsubtype_COMM_0_data, 8, 10)); if ($info_riff[$riff_sub_type]['COMM'][0]['size'] > 18) { $info_riff_audio['codec_fourcc'] = substr($info_riff_RIFFsubtype_COMM_0_data, 18, 4); $codec_name_size = getid3_lib::BigEndian2Int(substr($info_riff_RIFFsubtype_COMM_0_data, 22, 1)); $info_riff_audio['codec_name'] = substr($info_riff_RIFFsubtype_COMM_0_data, 23, $codec_name_size); switch ($info_riff_audio['codec_name']) { case 'NONE': $info_audio['codec'] = 'Pulse Code Modulation (PCM)'; $info_audio['lossless'] = true; break; case '': switch ($info_riff_audio['codec_fourcc']) { // http://developer.apple.com/qa/snd/snd07.html case 'sowt': $info_riff_audio['codec_name'] = 'Two\'s Compliment Little-Endian PCM'; $info_audio['lossless'] = true; break; case 'twos': $info_riff_audio['codec_name'] = 'Two\'s Compliment Big-Endian PCM'; $info_audio['lossless'] = true; break; default: break; } break; default: $info_audio['codec'] = $info_riff_audio['codec_name']; $info_audio['lossless'] = false; break; } } $info_audio['channels'] = $info_riff_audio['channels']; if ($info_riff_audio['bits_per_sample'] > 0) { $info_audio['bits_per_sample'] = $info_riff_audio['bits_per_sample']; } $info_audio['sample_rate'] = $info_riff_audio['sample_rate']; $getid3->info['playtime_seconds'] = $info_riff_audio['total_samples'] / $info_audio['sample_rate']; } if (isset($info_riff[$riff_sub_type]['COMT'])) { $comment_count = getid3_lib::BigEndian2Int(substr($info_riff[$riff_sub_type]['COMT'][0]['data'], 0, 2)); $offset = 2; for ($i = 0; $i < $comment_count; $i++) { $getid3->info['comments_raw'][$i]['timestamp'] = getid3_lib::BigEndian2Int(substr($info_riff[$riff_sub_type]['COMT'][0]['data'], $offset, 4)); $offset += 4; $getid3->info['comments_raw'][$i]['marker_id'] = getid3_lib::BigEndianSyncSafe2Int(substr($info_riff[$riff_sub_type]['COMT'][0]['data'], $offset, 2)); $offset += 2; $comment_length = getid3_lib::BigEndian2Int(substr($info_riff[$riff_sub_type]['COMT'][0]['data'], $offset, 2)); $offset += 2; $getid3->info['comments_raw'][$i]['comment'] = substr($info_riff[$riff_sub_type]['COMT'][0]['data'], $offset, $comment_length); $offset += $comment_length; $getid3->info['comments_raw'][$i]['timestamp_unix'] = getid3_riff::DateMac2Unix($getid3->info['comments_raw'][$i]['timestamp']); $info_riff['comments']['comment'][] = $getid3->info['comments_raw'][$i]['comment']; } } foreach (array('NAME' => 'title', 'author' => 'artist', '(c) ' => 'copyright', 'ANNO' => 'comment') as $key => $value) { if (isset($info_riff[$riff_sub_type][$key][0]['data'])) { $info_riff['comments'][$value][] = $info_riff[$riff_sub_type][$key][0]['data']; } } break; case '8SVX': $info_audio['bitrate_mode'] = 'cbr'; $info_audio_dataformat = '8svx'; $info_audio['bits_per_sample'] = 8; $info_audio['channels'] = 1; // overridden below, if need be $getid3->info['mime_type'] = 'audio/x-aiff'; if (isset($info_riff[$riff_sub_type]['BODY'][0]['offset'])) { $info_avdataoffset = $info_riff[$riff_sub_type]['BODY'][0]['offset'] + 8; $info_avdataend = $info_avdataoffset + $info_riff[$riff_sub_type]['BODY'][0]['size']; if ($info_avdataend > $getid3->info['filesize']) { $getid3->warning('Probable truncated AIFF file: expecting ' . $info_riff[$riff_sub_type]['BODY'][0]['size'] . ' bytes of audio data, only ' . ($getid3->info['filesize'] - $info_avdataoffset) . ' bytes found'); } } if (isset($info_riff[$riff_sub_type]['VHDR'][0]['offset'])) { // shortcut $info_riff_riff_sub_type_vhdr_0 =& $info_riff[$riff_sub_type]['VHDR'][0]; getid3_lib::ReadSequence('BigEndian2Int', $info_riff_riff_sub_type_vhdr_0, $info_riff_riff_sub_type_vhdr_0['data'], 0, array('oneShotHiSamples' => 4, 'repeatHiSamples' => 4, 'samplesPerHiCycle' => 4, 'samplesPerSec' => 2, 'ctOctave' => 1, 'sCompression' => 1, 'Volume' => -4)); $info_riff_riff_sub_type_vhdr_0['Volume'] = getid3_riff::FixedPoint16_16($info_riff_riff_sub_type_vhdr_0['Volume']); $info_audio['sample_rate'] = $info_riff_riff_sub_type_vhdr_0['samplesPerSec']; switch ($info_riff_riff_sub_type_vhdr_0['sCompression']) { case 0: $info_audio['codec'] = 'Pulse Code Modulation (PCM)'; $info_audio['lossless'] = true; $actual_bits_per_sample = 8; break; case 1: $info_audio['codec'] = 'Fibonacci-delta encoding'; $info_audio['lossless'] = false; $actual_bits_per_sample = 4; break; default: $getid3->warning('Unexpected sCompression value in 8SVX.VHDR chunk - expecting 0 or 1, found "' . sCompression . '"'); break; } } if (isset($info_riff[$riff_sub_type]['CHAN'][0]['data'])) { $ChannelsIndex = getid3_lib::BigEndian2Int(substr($info_riff[$riff_sub_type]['CHAN'][0]['data'], 0, 4)); switch ($ChannelsIndex) { case 6: // Stereo $info_audio['channels'] = 2; break; case 2: // Left channel only // Left channel only case 4: // Right channel only $info_audio['channels'] = 1; break; default: $getid3->warning('Unexpected value in 8SVX.CHAN chunk - expecting 2 or 4 or 6, found "' . $ChannelsIndex . '"'); break; } } foreach (array('NAME' => 'title', 'author' => 'artist', '(c) ' => 'copyright', 'ANNO' => 'comment') as $key => $value) { if (isset($info_riff[$riff_sub_type][$key][0]['data'])) { $info_riff['comments'][$value][] = $info_riff[$riff_sub_type][$key][0]['data']; } } $info_audio['bitrate'] = $info_audio['sample_rate'] * $actual_bits_per_sample * $info_audio['channels']; if (!empty($info_audio['bitrate'])) { $getid3->info['playtime_seconds'] = ($info_avdataend - $info_avdataoffset) / ($info_audio['bitrate'] / 8); } break; case 'CDXA': $getid3->info['mime_type'] = 'video/mpeg'; if (!empty($info_riff['CDXA']['data'][0]['size'])) { $GETID3_ERRORARRAY =& $getid3->info['warning']; if (!$getid3->include_module_optional('audio-video.mpeg')) { $getid3->warning('MPEG skipped because mpeg module is missing.'); } else { // Clone getid3 - messing with offsets - better safe than sorry $clone = clone $getid3; // Analyse $mpeg = new getid3_mpeg($clone); $mpeg->Analyze(); // Import from clone and destroy $getid3->info['audio'] = $clone->info['audio']; $getid3->info['video'] = $clone->info['video']; $getid3->info['mpeg'] = $clone->info['mpeg']; $getid3->info['warning'] = $clone->info['warning']; unset($clone); } } break; default: throw new getid3_exception('Unknown RIFF type: expecting one of (WAVE|RMP3|AVI |CDDA|AIFF|AIFC|8SVX|CDXA), found "' . $riff_sub_type . '" instead'); } if (@$info_riff_raw['fmt ']['wFormatTag'] == 1) { // http://www.mega-nerd.com/erikd/Blog/Windiots/dts.html $this->fseek($getid3->info['avdataoffset'], SEEK_SET); $bytes4 = $this->fread(4); // DTSWAV if (preg_match('/^\\xFF\\x1F\\x00\\xE8/s', $bytes4)) { $info_audio_dataformat = 'dts'; } elseif (preg_match('/^\\x7F\\xFF\\x80\\x01/s', $bytes4)) { $info_audio_dataformat = 'dts'; } } if (@is_array($info_riff_wave['DISP'])) { $info_riff['comments']['title'][] = trim(substr($info_riff_wave['DISP'][count($info_riff_wave['DISP']) - 1]['data'], 4)); } if (@is_array($info_riff_wave['INFO'])) { getid3_riff::RIFFCommentsParse($info_riff_wave['INFO'], $info_riff['comments']); } if (isset($info_riff_wave['INFO']) && is_array($info_riff_wave['INFO'])) { foreach (array('IARL' => 'archivallocation', 'IART' => 'artist', 'ICDS' => 'costumedesigner', 'ICMS' => 'commissionedby', 'ICMT' => 'comment', 'ICNT' => 'country', 'ICOP' => 'copyright', 'ICRD' => 'creationdate', 'IDIM' => 'dimensions', 'IDIT' => 'digitizationdate', 'IDPI' => 'resolution', 'IDST' => 'distributor', 'IEDT' => 'editor', 'IENG' => 'engineers', 'IFRM' => 'accountofparts', 'IGNR' => 'genre', 'IKEY' => 'keywords', 'ILGT' => 'lightness', 'ILNG' => 'language', 'IMED' => 'orignalmedium', 'IMUS' => 'composer', 'INAM' => 'title', 'IPDS' => 'productiondesigner', 'IPLT' => 'palette', 'IPRD' => 'product', 'IPRO' => 'producer', 'IPRT' => 'part', 'IRTD' => 'rating', 'ISBJ' => 'subject', 'ISFT' => 'software', 'ISGN' => 'secondarygenre', 'ISHP' => 'sharpness', 'ISRC' => 'sourcesupplier', 'ISRF' => 'digitizationsource', 'ISTD' => 'productionstudio', 'ISTR' => 'starring', 'ITCH' => 'encoded_by', 'IWEB' => 'url', 'IWRI' => 'writer') as $key => $value) { if (isset($info_riff_wave['INFO'][$key])) { foreach ($info_riff_wave['INFO'][$key] as $comment_id => $comment_data) { if (trim($comment_data['data']) != '') { $info_riff['comments'][$value][] = trim($comment_data['data']); } } } } } if (empty($info_audio['encoder']) && !empty($getid3->info['mpeg']['audio']['LAME']['short_version'])) { $info_audio['encoder'] = $getid3->info['mpeg']['audio']['LAME']['short_version']; } if (!isset($getid3->info['playtime_seconds'])) { $getid3->info['playtime_seconds'] = 0; } if (isset($info_riff_raw['avih']['dwTotalFrames']) && isset($info_riff_raw['avih']['dwMicroSecPerFrame'])) { $getid3->info['playtime_seconds'] = $info_riff_raw['avih']['dwTotalFrames'] * ($info_riff_raw['avih']['dwMicroSecPerFrame'] / 1000000); } if ($getid3->info['playtime_seconds'] > 0) { if (isset($info_riff_audio) && isset($info_riff_video)) { if (!isset($getid3->info['bitrate'])) { $getid3->info['bitrate'] = ($info_avdataend - $info_avdataoffset) / $getid3->info['playtime_seconds'] * 8; } } elseif (isset($info_riff_audio) && !isset($info_riff_video)) { if (!isset($info_audio['bitrate'])) { $info_audio['bitrate'] = ($info_avdataend - $info_avdataoffset) / $getid3->info['playtime_seconds'] * 8; } } elseif (!isset($info_riff_audio) && isset($info_riff_video)) { if (!isset($info_video['bitrate'])) { $info_video['bitrate'] = ($info_avdataend - $info_avdataoffset) / $getid3->info['playtime_seconds'] * 8; } } } if (isset($info_riff_video) && isset($info_audio['bitrate']) && $info_audio['bitrate'] > 0 && $getid3->info['playtime_seconds'] > 0) { $getid3->info['bitrate'] = ($info_avdataend - $info_avdataoffset) / $getid3->info['playtime_seconds'] * 8; $info_audio['bitrate'] = 0; $info_video['bitrate'] = $getid3->info['bitrate']; foreach ($info_riff_audio as $channelnumber => $audioinfoarray) { $info_video['bitrate'] -= $audioinfoarray['bitrate']; $info_audio['bitrate'] += $audioinfoarray['bitrate']; } if ($info_video['bitrate'] <= 0) { unset($info_video['bitrate']); } if ($info_audio['bitrate'] <= 0) { unset($info_audio['bitrate']); } } if (isset($getid3->info['mpeg']['audio'])) { $info_audio_dataformat = 'mp' . $getid3->info['mpeg']['audio']['layer']; $info_audio['sample_rate'] = $getid3->info['mpeg']['audio']['sample_rate']; $info_audio['channels'] = $getid3->info['mpeg']['audio']['channels']; $info_audio['bitrate'] = $getid3->info['mpeg']['audio']['bitrate']; $info_audio['bitrate_mode'] = strtolower($getid3->info['mpeg']['audio']['bitrate_mode']); if (!empty($getid3->info['mpeg']['audio']['codec'])) { $info_audio['codec'] = $getid3->info['mpeg']['audio']['codec'] . ' ' . $info_audio['codec']; } if (!empty($info_audio['streams'])) { foreach ($info_audio['streams'] as $streamnumber => $streamdata) { if ($streamdata['dataformat'] == $info_audio_dataformat) { $info_audio['streams'][$streamnumber]['sample_rate'] = $info_audio['sample_rate']; $info_audio['streams'][$streamnumber]['channels'] = $info_audio['channels']; $info_audio['streams'][$streamnumber]['bitrate'] = $info_audio['bitrate']; $info_audio['streams'][$streamnumber]['bitrate_mode'] = $info_audio['bitrate_mode']; $info_audio['streams'][$streamnumber]['codec'] = $info_audio['codec']; } } } $info_audio['encoder_options'] = getid3_mp3::GuessEncoderOptions($getid3->info); } if (!empty($info_riff_raw['fmt ']['wBitsPerSample']) && $info_riff_raw['fmt ']['wBitsPerSample'] > 0) { switch ($info_audio_dataformat) { case 'ac3': // ignore bits_per_sample break; default: $info_audio['bits_per_sample'] = $info_riff_raw['fmt ']['wBitsPerSample']; break; } } if (empty($info_riff_raw)) { unset($info_riff['raw']); } if (empty($info_riff_audio)) { unset($info_riff['audio']); } if (empty($info_riff_video)) { unset($info_riff['video']); } if (empty($info_audio_dataformat)) { unset($info_audio['dataformat']); } if (empty($getid3->info['audio'])) { unset($getid3->info['audio']); } if (empty($info_video)) { unset($getid3->info['video']); } return true; }