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<?php |
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/** |
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* Class ID3v23 |
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* |
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* @created 22.09.2018 |
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* @author smiley <[email protected]> |
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* @copyright 2018 smiley |
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* @license MIT |
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* |
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* @noinspection PhpUnusedParameterInspection |
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*/ |
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namespace chillerlan\ID3Tag; |
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use function count, explode, implode, ord, sha1, strlen, strpos, strtolower, substr, trim, unpack; |
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/** |
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* @link http://id3.org/id3v2.3.0 |
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*/ |
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class ID3v23 extends ID3v22{ |
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/** |
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* 4. Declared ID3v2 frames |
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* |
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* @link http://id3.org/id3v2.3.0#Declared_ID3v2_frames |
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*/ |
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protected array $declaredFrames = [ |
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'AENC' => 'Audio encryption', |
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'APIC' => 'Attached picture', |
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'COMM' => 'Comments', |
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'COMR' => 'Commercial frame', |
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'ENCR' => 'Encryption method registration', |
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'EQUA' => 'Equalization', |
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'ETCO' => 'Event timing codes', |
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'GEOB' => 'General encapsulated object', |
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'GRID' => 'Group identification registration', |
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'IPLS' => 'Involved people list', |
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'LINK' => 'Linked information', |
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'MCDI' => 'Music CD identifier', |
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'MLLT' => 'MPEG location lookup table', |
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'OWNE' => 'Ownership frame', |
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'PRIV' => 'Private frame', |
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'PCNT' => 'Play counter', |
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'POPM' => 'Popularimeter', |
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'POSS' => 'Position synchronisation frame', |
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'RBUF' => 'Recommended buffer size', |
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'RVAD' => 'Relative volume adjustment', |
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'RVRB' => 'Reverb', |
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'SYLT' => 'Synchronized lyric/text', |
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'SYTC' => 'Synchronized tempo codes', |
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'TALB' => 'Album/Movie/Show title', |
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'TBPM' => 'BPM (beats per minute)', |
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'TCOM' => 'Composer', |
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'TCON' => 'Content type', |
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'TCOP' => 'Copyright message', |
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'TDAT' => 'Date', |
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'TDLY' => 'Playlist delay', |
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'TENC' => 'Encoded by', |
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'TEXT' => 'Lyricist/Text writer', |
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'TFLT' => 'File type', |
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'TIME' => 'Time', |
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'TIT1' => 'Content group description', |
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'TIT2' => 'Title/songname/content description', |
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'TIT3' => 'Subtitle/Description refinement', |
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'TKEY' => 'Initial key', |
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'TLAN' => 'Language(s)', |
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'TLEN' => 'Length', |
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'TMED' => 'Media type', |
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'TOAL' => 'Original album/movie/show title', |
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'TOFN' => 'Original filename', |
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'TOLY' => 'Original lyricist(s)/text writer(s)', |
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'TOPE' => 'Original artist(s)/performer(s)', |
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'TORY' => 'Original release year', |
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'TOWN' => 'File owner/licensee', |
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'TPE1' => 'Lead performer(s)/Soloist(s)', |
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'TPE2' => 'Band/orchestra/accompaniment', |
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'TPE3' => 'Conductor/performer refinement', |
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'TPE4' => 'Interpreted, remixed, or otherwise modified by', |
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'TPOS' => 'Part of a set', |
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'TPUB' => 'Publisher', |
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'TRCK' => 'Track number/Position in set', |
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'TRDA' => 'Recording dates', |
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'TRSN' => 'Internet radio station name', |
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'TRSO' => 'Internet radio station owner', |
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'TSIZ' => 'Size', |
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'TSRC' => 'ISRC (international standard recording code)', |
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'TSSE' => 'Software/Hardware and settings used for encoding', |
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'TYER' => 'Year', |
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'TXXX' => 'User defined text information frame', |
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'UFID' => 'Unique file identifier', |
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'USER' => 'Terms of use', |
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'USLT' => 'Unsychronized lyric/text transcription', |
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'WCOM' => 'Commercial information', |
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'WCOP' => 'Copyright/Legal information', |
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'WOAF' => 'Official audio file webpage', |
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'WOAR' => 'Official artist/performer webpage', |
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'WOAS' => 'Official audio source webpage', |
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'WORS' => 'Official internet radio station homepage', |
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'WPAY' => 'Payment', |
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'WPUB' => 'Publishers official webpage', |
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'WXXX' => 'User defined URL link frame', |
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'GRP1' => 'ITunes Grouping', |
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'TCMP' => 'ITunes compilation field', |
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'TDEN' => 'Encoding time', |
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'TSST' => 'Set subtitle', |
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'TIPL' => 'Involved people list', |
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'TMOO' => 'Mood', |
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'TDOR' => 'Original release time', |
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'TDRL' => 'Release time', |
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'TDTG' => 'Tagging time', |
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'TDRC' => 'Recording time', |
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'TSOA' => 'Album sort order', |
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'TSOP' => 'Performer sort order', |
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'TSOT' => 'Title sort order', |
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'TSO2' => 'Album-Artist sort order', |
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'TSOC' => 'Composer sort order', |
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'EQU2' => 'Equalisation', |
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'RVA2' => 'Relative volume adjustment', |
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'SIGN' => 'Signature', |
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'ASPI' => 'Audio seek point index', |
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'RGAD' => 'Replay Gain Adjustment', |
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'CHAP' => 'Chapters', |
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'CTOC' => 'Chapters Table Of Contents', |
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'NCON' => '???', |
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'TDES' => '???PODCASTDESC', |
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'TCAT' => '???PODCASTCATEGORY', |
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'TGID' => '???PODCASTID', |
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'TKWD' => '???PODCASTKEYWORDS', |
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'WFED' => '???PODCASTURL', |
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]; |
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/** |
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* 3.3. ID3v2.3 frame overview |
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* |
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* @link http://id3.org/id3v2.3.0#ID3v2_frame_overview |
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* |
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* Frame ID $xx xx xx xx (four characters) |
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* Size $xx xx xx xx |
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* Flags $xx xx |
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* |
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* @inheritDoc |
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*/ |
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public function parse(string $rawdata):array{ |
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$this->parsedFrames = []; |
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$index = 0; |
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$rawlength = strlen($rawdata); |
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while($index < $rawlength){ |
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// frame name |
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$name = substr($rawdata, $index, 4); |
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$index += 4; |
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// name is end tag or garbage |
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if($name === "\x00\x00\x00\x00" || strlen($name) !== 4){ |
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break; |
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} |
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// frame length bytes |
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$length = substr($rawdata, $index, 4); |
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// length data is garbage |
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if(strlen($length) !== 4){ |
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break; |
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} |
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$length = unpack('N', $length)[1] ?? 0; |
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$index += 4; |
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// frame length exceeds tag size |
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if($length > $rawlength || $index >= $rawlength){ |
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break; |
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} |
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// frame is empty |
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if($length < 1){ |
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continue; |
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} |
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// status & format bytes |
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$status = ord(substr($rawdata, $index, 1)); |
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$format = ord(substr($rawdata, $index + 1, 1)); |
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$index += 2; |
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// frame data |
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$data = substr($rawdata, $index, $length); |
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$index += $length; |
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// frame is empty |
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if(strlen($data) < 1){ |
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continue; // @codeCoverageIgnore |
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} |
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$format = $this->getFrameFormat($format); |
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$status = $this->getFrameStatus($status); |
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if($format['unsync']){ |
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$data = ID3Helpers::unsyncString($data); |
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} |
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$this->setTermpos($data); |
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$parsedFrame = $this->parseFrame([ |
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'name' => $name, |
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'data' => $data, |
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'length' => $length, |
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'format' => $format, |
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'status' => $status, |
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]); |
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$this->addFrame($name, $parsedFrame); |
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} |
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return $this->parsedFrames; |
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} |
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/** |
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* @link http://id3.org/id3v2.3.0#Frame_header_flags |
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*/ |
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protected function getFrameFormat(int $flags):array{ |
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return [ |
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'flags' => $flags, |
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'length' => false, |
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'unsync' => false, |
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'encryption' => (bool)($flags & 0b01000000), |
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'compression' => (bool)($flags & 0b10000000), |
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'grouping' => (bool)($flags & 0b00100000), |
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]; |
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} |
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/** |
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* @link http://id3.org/id3v2.3.0#Frame_header_flags |
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*/ |
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protected function getFrameStatus(int $flags):array{ |
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return [ |
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'flags' => $flags, |
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'read-only' => (bool)($flags & 0b00100000), |
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'file' => (bool)($flags & 0b01000000), |
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'tag' => (bool)($flags & 0b10000000), |
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]; |
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} |
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/** |
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* 4.1. Unique file identifier |
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* |
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* <Header for 'Unique file identifier', ID: "UFID"> |
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* Owner identifier <text string> $00 |
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* Identifier <up to 64 bytes binary data> |
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*/ |
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protected function UFID(array $frame):array{ |
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return []; // skip |
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} |
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/** |
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* 4.2.2. User defined text information frame |
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* |
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* @link http://id3.org/id3v2.3.0#User_defined_text_information_frame |
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* |
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* <Header for 'User defined text information frame', ID: "TXXX"> |
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* Text encoding $xx |
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* Description <text string according to encoding> $00 (00) |
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* Value <text string according to encoding> |
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*/ |
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protected function TXXX(array $frame):array{ |
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return $this->TXX($frame); |
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} |
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/** |
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* 4.3.2. User defined URL link frame |
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* |
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* @link http://id3.org/id3v2.3.0#User_defined_URL_link_frame |
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* |
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* <Header for 'User defined URL link frame', ID: "WXXX"> |
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* Text encoding $xx |
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* Description <text string according to encoding> $00 (00) |
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* URL <text string> |
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*/ |
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protected function WXXX(array $frame):array{ |
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return $this->WXX($frame); |
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} |
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/** |
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* 4.4. Involved people list |
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* |
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* @link http://id3.org/id3v2.3.0#Involved_people_list |
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* |
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* <Header for 'Involved people list', ID: "IPLS"> |
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* Text encoding $xx |
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* People list strings <text strings according to encoding> |
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*/ |
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protected function IPLS(array $frame):array{ |
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return $this->T($frame); |
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} |
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/** |
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* 4.5. Music CD identifier |
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* |
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* @link http://id3.org/id3v2.3.0#Music_CD_identifier |
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* |
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* <Header for 'Music CD identifier', ID: "MCDI"> |
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* CD TOC <binary data> |
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*/ |
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protected function MCDI(array $frame):array{ |
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return $this->MCI($frame); |
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} |
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/** |
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* 4.9. Unsychronised lyrics/text transcription |
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* |
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* @link http://id3.org/id3v2.3.0#Unsychronised_lyrics.2Ftext_transcription |
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* |
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* <Header for 'Unsynchronised lyrics/text transcription', ID: "USLT"> |
|
316
|
|
|
* Text encoding $xx |
|
317
|
|
|
* Language $xx xx xx |
|
318
|
|
|
* Content descriptor <text string according to encoding> $00 (00) |
|
319
|
|
|
* Lyrics/text <full text string according to encoding> |
|
320
|
|
|
*/ |
|
321
|
|
|
protected function USLT(array $frame):array{ |
|
322
|
|
|
return $this->COM($frame); |
|
323
|
|
|
} |
|
324
|
|
|
|
|
325
|
|
|
/** |
|
326
|
|
|
* 4.11. Comments |
|
327
|
|
|
* |
|
328
|
|
|
* @link http://id3.org/id3v2.3.0#Comments |
|
329
|
|
|
* |
|
330
|
|
|
* <Header for 'Comment', ID: "COMM"> |
|
331
|
|
|
* Text encoding $xx |
|
332
|
|
|
* Language $xx xx xx |
|
333
|
|
|
* Short content descrip. <text string according to encoding> $00 (00) |
|
334
|
|
|
* The actual text <full text string according to encoding> |
|
335
|
|
|
*/ |
|
336
|
|
|
protected function COMM(array $frame):array{ |
|
337
|
|
|
return $this->COM($frame); |
|
338
|
|
|
} |
|
339
|
|
|
|
|
340
|
|
|
/** |
|
341
|
|
|
* 4.15. Attached picture |
|
342
|
|
|
* |
|
343
|
|
|
* @link http://id3.org/id3v2.3.0#Attached_picture |
|
344
|
|
|
* |
|
345
|
|
|
* <Header for 'Attached picture', ID: "APIC"> |
|
346
|
|
|
* Text encoding $xx |
|
347
|
|
|
* MIME type <text string> $00 |
|
348
|
|
|
* Picture type $xx |
|
349
|
|
|
* Description <text string according to encoding> $00 (00) |
|
350
|
|
|
* Picture data <binary data> |
|
351
|
|
|
*/ |
|
352
|
|
|
protected function APIC(array $frame):array{ |
|
353
|
|
|
$terminator = strpos($frame['data'], "\x00", 1); |
|
354
|
|
|
$mime = explode('/', strtolower(substr($frame['data'], 1, $terminator - 1))); |
|
355
|
|
|
$type = ord(substr($frame['data'], $terminator + 1, 1)); |
|
356
|
|
|
|
|
357
|
|
|
if(count($mime) !== 2 || $mime[0] !== 'image'){ |
|
358
|
|
|
|
|
359
|
|
|
// is it a v2.2 style format? |
|
360
|
|
|
if($mime[0] !== 'image' && isset($this::imageFormatMagicbytes[$mime[0]])){ |
|
361
|
|
|
$mime = ['image', $mime[0]]; |
|
362
|
|
|
$mime = implode('/', $mime); |
|
363
|
|
|
} |
|
364
|
|
|
else{ |
|
365
|
|
|
return []; |
|
366
|
|
|
} |
|
367
|
|
|
} |
|
368
|
|
|
|
|
369
|
|
|
if($mime[1] === 'jpeg'){ |
|
370
|
|
|
$mime[1] = 'jpg'; |
|
371
|
|
|
} |
|
372
|
|
|
|
|
373
|
|
|
$magicbytes = $this::imageFormatMagicbytes[$mime[1]] ?? false; |
|
374
|
|
|
|
|
375
|
|
|
if(!$magicbytes){ |
|
376
|
|
|
return []; |
|
377
|
|
|
} |
|
378
|
|
|
|
|
379
|
|
|
$termpos = strpos($frame['data'], "\x00".$magicbytes, $terminator + 1); |
|
380
|
|
|
$image = substr($frame['data'], $termpos + 1); |
|
381
|
|
|
|
|
382
|
|
|
return [ |
|
383
|
|
|
'desc' => $this->decodeString(substr($frame['data'], $terminator + 2, $termpos - $terminator - 2)), |
|
384
|
|
|
'content' => $image, # 'data:'.$mime.';base64,'.base64_encode($image), |
|
385
|
|
|
'format' => $mime[1], |
|
386
|
|
|
'mime' => $mime, |
|
387
|
|
|
'typeID' => $type, |
|
388
|
|
|
'typeInfo' => $this::PICTURE_TYPE[$type] ?? '', |
|
389
|
|
|
'hash' => sha1($image), |
|
390
|
|
|
]; |
|
391
|
|
|
} |
|
392
|
|
|
|
|
393
|
|
|
/** |
|
394
|
|
|
* 4.16. General encapsulated object |
|
395
|
|
|
* |
|
396
|
|
|
* <Header for 'General encapsulated object', ID: "GEOB"> |
|
397
|
|
|
* Text encoding $xx |
|
398
|
|
|
* MIME type <text string> $00 |
|
399
|
|
|
* Filename <text string according to encoding> $00 (00) |
|
400
|
|
|
* Content description <text string according to encoding> $00 (00) |
|
401
|
|
|
* Encapsulated object <binary data> |
|
402
|
|
|
*/ |
|
403
|
|
|
protected function GEOB(array $frame):array{ |
|
|
|
|
|
|
404
|
|
|
return []; // skip |
|
405
|
|
|
} |
|
406
|
|
|
|
|
407
|
|
|
/** |
|
408
|
|
|
* 4.17. Play counter |
|
409
|
|
|
* |
|
410
|
|
|
* @link http://id3.org/id3v2.3.0#Play_counter |
|
411
|
|
|
* |
|
412
|
|
|
* <Header for 'Play counter', ID: "PCNT"> |
|
413
|
|
|
* Counter $xx xx xx xx (xx ...) |
|
414
|
|
|
*/ |
|
415
|
|
|
protected function PCNT(array $frame):array{ |
|
416
|
|
|
return $this->CNT($frame); |
|
417
|
|
|
} |
|
418
|
|
|
|
|
419
|
|
|
/** |
|
420
|
|
|
* 4.18. Popularimeter |
|
421
|
|
|
* |
|
422
|
|
|
* @link http://id3.org/id3v2.3.0#Popularimeter |
|
423
|
|
|
* |
|
424
|
|
|
* <Header for 'Popularimeter', ID: "POPM"> |
|
425
|
|
|
* Email to user <text string> $00 |
|
426
|
|
|
* Rating $xx |
|
427
|
|
|
* Counter $xx xx xx xx (xx ...) |
|
428
|
|
|
*/ |
|
429
|
|
|
protected function POPM(array $frame):array{ |
|
430
|
|
|
return $this->POP($frame); |
|
431
|
|
|
} |
|
432
|
|
|
|
|
433
|
|
|
/** |
|
434
|
|
|
* 4.21. Linked information |
|
435
|
|
|
* |
|
436
|
|
|
* <Header for 'Linked information', ID: "LINK"> |
|
437
|
|
|
* Frame identifier $xx xx xx |
|
438
|
|
|
* URL <text string> $00 |
|
439
|
|
|
* ID and additional data <text string(s)> |
|
440
|
|
|
*/ |
|
441
|
|
|
protected function LINK(array $frame):array{ |
|
|
|
|
|
|
442
|
|
|
return []; // skip |
|
443
|
|
|
} |
|
444
|
|
|
|
|
445
|
|
|
/** |
|
446
|
|
|
* 4.28. Private frame |
|
447
|
|
|
* |
|
448
|
|
|
* @link http://id3.org/id3v2.3.0#Private_frame |
|
449
|
|
|
* |
|
450
|
|
|
* <Header for 'Private frame', ID: "PRIV"> |
|
451
|
|
|
* Owner identifier <text string> $00 |
|
452
|
|
|
* The private data <binary data> |
|
453
|
|
|
*/ |
|
454
|
|
|
protected function PRIV(array $frame):array{ |
|
455
|
|
|
return [ |
|
456
|
|
|
'desc' => trim(substr($frame['data'], 0, $this->termpos)), |
|
457
|
|
|
'content' => trim(substr($frame['data'], $this->termpos)), |
|
458
|
|
|
]; |
|
459
|
|
|
} |
|
460
|
|
|
|
|
461
|
|
|
} |
|
462
|
|
|
|
chillerlan /
php-id3tag
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This check looks for parameters that have been defined for a function or method, but which are not used in the method body.