295 lines
11 KiB
PHP
295 lines
11 KiB
PHP
<?php
|
|
/////////////////////////////////////////////////////////////////
|
|
/// getID3() by James Heinrich <info@getid3.org> //
|
|
// available at http://getid3.sourceforge.net //
|
|
// or http://www.getid3.org //
|
|
/////////////////////////////////////////////////////////////////
|
|
// See readme.txt for more details //
|
|
/////////////////////////////////////////////////////////////////
|
|
/// //
|
|
// module.tag.lyrics3.php //
|
|
// module for analyzing Lyrics3 tags //
|
|
// dependencies: module.tag.apetag.php (optional) //
|
|
// ///
|
|
/////////////////////////////////////////////////////////////////
|
|
|
|
|
|
class getid3_lyrics3 extends getid3_handler
|
|
{
|
|
|
|
public function Analyze() {
|
|
$info = &$this->getid3->info;
|
|
|
|
// http://www.volweb.cz/str/tags.htm
|
|
|
|
if (!getid3_lib::intValueSupported($info['filesize'])) {
|
|
$info['warning'][] = 'Unable to check for Lyrics3 because file is larger than '.round(PHP_INT_MAX / 1073741824).'GB';
|
|
return false;
|
|
}
|
|
|
|
fseek($this->getid3->fp, (0 - 128 - 9 - 6), SEEK_END); // end - ID3v1 - "LYRICSEND" - [Lyrics3size]
|
|
$lyrics3_id3v1 = fread($this->getid3->fp, 128 + 9 + 6);
|
|
$lyrics3lsz = substr($lyrics3_id3v1, 0, 6); // Lyrics3size
|
|
$lyrics3end = substr($lyrics3_id3v1, 6, 9); // LYRICSEND or LYRICS200
|
|
$id3v1tag = substr($lyrics3_id3v1, 15, 128); // ID3v1
|
|
|
|
if ($lyrics3end == 'LYRICSEND') {
|
|
// Lyrics3v1, ID3v1, no APE
|
|
|
|
$lyrics3size = 5100;
|
|
$lyrics3offset = $info['filesize'] - 128 - $lyrics3size;
|
|
$lyrics3version = 1;
|
|
|
|
} elseif ($lyrics3end == 'LYRICS200') {
|
|
// Lyrics3v2, ID3v1, no APE
|
|
|
|
// LSZ = lyrics + 'LYRICSBEGIN'; add 6-byte size field; add 'LYRICS200'
|
|
$lyrics3size = $lyrics3lsz + 6 + strlen('LYRICS200');
|
|
$lyrics3offset = $info['filesize'] - 128 - $lyrics3size;
|
|
$lyrics3version = 2;
|
|
|
|
} elseif (substr(strrev($lyrics3_id3v1), 0, 9) == strrev('LYRICSEND')) {
|
|
// Lyrics3v1, no ID3v1, no APE
|
|
|
|
$lyrics3size = 5100;
|
|
$lyrics3offset = $info['filesize'] - $lyrics3size;
|
|
$lyrics3version = 1;
|
|
$lyrics3offset = $info['filesize'] - $lyrics3size;
|
|
|
|
} elseif (substr(strrev($lyrics3_id3v1), 0, 9) == strrev('LYRICS200')) {
|
|
|
|
// Lyrics3v2, no ID3v1, no APE
|
|
|
|
$lyrics3size = strrev(substr(strrev($lyrics3_id3v1), 9, 6)) + 6 + strlen('LYRICS200'); // LSZ = lyrics + 'LYRICSBEGIN'; add 6-byte size field; add 'LYRICS200'
|
|
$lyrics3offset = $info['filesize'] - $lyrics3size;
|
|
$lyrics3version = 2;
|
|
|
|
} else {
|
|
|
|
if (isset($info['ape']['tag_offset_start']) && ($info['ape']['tag_offset_start'] > 15)) {
|
|
|
|
fseek($this->getid3->fp, $info['ape']['tag_offset_start'] - 15, SEEK_SET);
|
|
$lyrics3lsz = fread($this->getid3->fp, 6);
|
|
$lyrics3end = fread($this->getid3->fp, 9);
|
|
|
|
if ($lyrics3end == 'LYRICSEND') {
|
|
// Lyrics3v1, APE, maybe ID3v1
|
|
|
|
$lyrics3size = 5100;
|
|
$lyrics3offset = $info['ape']['tag_offset_start'] - $lyrics3size;
|
|
$info['avdataend'] = $lyrics3offset;
|
|
$lyrics3version = 1;
|
|
$info['warning'][] = 'APE tag located after Lyrics3, will probably break Lyrics3 compatability';
|
|
|
|
} elseif ($lyrics3end == 'LYRICS200') {
|
|
// Lyrics3v2, APE, maybe ID3v1
|
|
|
|
$lyrics3size = $lyrics3lsz + 6 + strlen('LYRICS200'); // LSZ = lyrics + 'LYRICSBEGIN'; add 6-byte size field; add 'LYRICS200'
|
|
$lyrics3offset = $info['ape']['tag_offset_start'] - $lyrics3size;
|
|
$lyrics3version = 2;
|
|
$info['warning'][] = 'APE tag located after Lyrics3, will probably break Lyrics3 compatability';
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (isset($lyrics3offset)) {
|
|
$info['avdataend'] = $lyrics3offset;
|
|
$this->getLyrics3Data($lyrics3offset, $lyrics3version, $lyrics3size);
|
|
|
|
if (!isset($info['ape'])) {
|
|
$GETID3_ERRORARRAY = &$info['warning'];
|
|
if (getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.apetag.php', __FILE__, false)) {
|
|
$getid3_temp = new getID3();
|
|
$getid3_temp->openfile($this->getid3->filename);
|
|
$getid3_apetag = new getid3_apetag($getid3_temp);
|
|
$getid3_apetag->overrideendoffset = $info['lyrics3']['tag_offset_start'];
|
|
$getid3_apetag->Analyze();
|
|
if (!empty($getid3_temp->info['ape'])) {
|
|
$info['ape'] = $getid3_temp->info['ape'];
|
|
}
|
|
if (!empty($getid3_temp->info['replay_gain'])) {
|
|
$info['replay_gain'] = $getid3_temp->info['replay_gain'];
|
|
}
|
|
unset($getid3_temp, $getid3_apetag);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
public function getLyrics3Data($endoffset, $version, $length) {
|
|
// http://www.volweb.cz/str/tags.htm
|
|
|
|
$info = &$this->getid3->info;
|
|
|
|
if (!getid3_lib::intValueSupported($endoffset)) {
|
|
$info['warning'][] = 'Unable to check for Lyrics3 because file is larger than '.round(PHP_INT_MAX / 1073741824).'GB';
|
|
return false;
|
|
}
|
|
|
|
fseek($this->getid3->fp, $endoffset, SEEK_SET);
|
|
if ($length <= 0) {
|
|
return false;
|
|
}
|
|
$rawdata = fread($this->getid3->fp, $length);
|
|
|
|
$ParsedLyrics3['raw']['lyrics3version'] = $version;
|
|
$ParsedLyrics3['raw']['lyrics3tagsize'] = $length;
|
|
$ParsedLyrics3['tag_offset_start'] = $endoffset;
|
|
$ParsedLyrics3['tag_offset_end'] = $endoffset + $length - 1;
|
|
|
|
if (substr($rawdata, 0, 11) != 'LYRICSBEGIN') {
|
|
if (strpos($rawdata, 'LYRICSBEGIN') !== false) {
|
|
|
|
$info['warning'][] = '"LYRICSBEGIN" expected at '.$endoffset.' but actually found at '.($endoffset + strpos($rawdata, 'LYRICSBEGIN')).' - this is invalid for Lyrics3 v'.$version;
|
|
$info['avdataend'] = $endoffset + strpos($rawdata, 'LYRICSBEGIN');
|
|
$rawdata = substr($rawdata, strpos($rawdata, 'LYRICSBEGIN'));
|
|
$length = strlen($rawdata);
|
|
$ParsedLyrics3['tag_offset_start'] = $info['avdataend'];
|
|
$ParsedLyrics3['raw']['lyrics3tagsize'] = $length;
|
|
|
|
} else {
|
|
|
|
$info['error'][] = '"LYRICSBEGIN" expected at '.$endoffset.' but found "'.substr($rawdata, 0, 11).'" instead';
|
|
return false;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
switch ($version) {
|
|
|
|
case 1:
|
|
if (substr($rawdata, strlen($rawdata) - 9, 9) == 'LYRICSEND') {
|
|
$ParsedLyrics3['raw']['LYR'] = trim(substr($rawdata, 11, strlen($rawdata) - 11 - 9));
|
|
$this->Lyrics3LyricsTimestampParse($ParsedLyrics3);
|
|
} else {
|
|
$info['error'][] = '"LYRICSEND" expected at '.(ftell($this->getid3->fp) - 11 + $length - 9).' but found "'.substr($rawdata, strlen($rawdata) - 9, 9).'" instead';
|
|
return false;
|
|
}
|
|
break;
|
|
|
|
case 2:
|
|
if (substr($rawdata, strlen($rawdata) - 9, 9) == 'LYRICS200') {
|
|
$ParsedLyrics3['raw']['unparsed'] = substr($rawdata, 11, strlen($rawdata) - 11 - 9 - 6); // LYRICSBEGIN + LYRICS200 + LSZ
|
|
$rawdata = $ParsedLyrics3['raw']['unparsed'];
|
|
while (strlen($rawdata) > 0) {
|
|
$fieldname = substr($rawdata, 0, 3);
|
|
$fieldsize = (int) substr($rawdata, 3, 5);
|
|
$ParsedLyrics3['raw'][$fieldname] = substr($rawdata, 8, $fieldsize);
|
|
$rawdata = substr($rawdata, 3 + 5 + $fieldsize);
|
|
}
|
|
|
|
if (isset($ParsedLyrics3['raw']['IND'])) {
|
|
$i = 0;
|
|
$flagnames = array('lyrics', 'timestamps', 'inhibitrandom');
|
|
foreach ($flagnames as $flagname) {
|
|
if (strlen($ParsedLyrics3['raw']['IND']) > $i++) {
|
|
$ParsedLyrics3['flags'][$flagname] = $this->IntString2Bool(substr($ParsedLyrics3['raw']['IND'], $i, 1 - 1));
|
|
}
|
|
}
|
|
}
|
|
|
|
$fieldnametranslation = array('ETT'=>'title', 'EAR'=>'artist', 'EAL'=>'album', 'INF'=>'comment', 'AUT'=>'author');
|
|
foreach ($fieldnametranslation as $key => $value) {
|
|
if (isset($ParsedLyrics3['raw'][$key])) {
|
|
$ParsedLyrics3['comments'][$value][] = trim($ParsedLyrics3['raw'][$key]);
|
|
}
|
|
}
|
|
|
|
if (isset($ParsedLyrics3['raw']['IMG'])) {
|
|
$imagestrings = explode("\r\n", $ParsedLyrics3['raw']['IMG']);
|
|
foreach ($imagestrings as $key => $imagestring) {
|
|
if (strpos($imagestring, '||') !== false) {
|
|
$imagearray = explode('||', $imagestring);
|
|
$ParsedLyrics3['images'][$key]['filename'] = (isset($imagearray[0]) ? $imagearray[0] : '');
|
|
$ParsedLyrics3['images'][$key]['description'] = (isset($imagearray[1]) ? $imagearray[1] : '');
|
|
$ParsedLyrics3['images'][$key]['timestamp'] = $this->Lyrics3Timestamp2Seconds(isset($imagearray[2]) ? $imagearray[2] : '');
|
|
}
|
|
}
|
|
}
|
|
if (isset($ParsedLyrics3['raw']['LYR'])) {
|
|
$this->Lyrics3LyricsTimestampParse($ParsedLyrics3);
|
|
}
|
|
} else {
|
|
$info['error'][] = '"LYRICS200" expected at '.(ftell($this->getid3->fp) - 11 + $length - 9).' but found "'.substr($rawdata, strlen($rawdata) - 9, 9).'" instead';
|
|
return false;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
$info['error'][] = 'Cannot process Lyrics3 version '.$version.' (only v1 and v2)';
|
|
return false;
|
|
break;
|
|
}
|
|
|
|
|
|
if (isset($info['id3v1']['tag_offset_start']) && ($info['id3v1']['tag_offset_start'] <= $ParsedLyrics3['tag_offset_end'])) {
|
|
$info['warning'][] = 'ID3v1 tag information ignored since it appears to be a false synch in Lyrics3 tag data';
|
|
unset($info['id3v1']);
|
|
foreach ($info['warning'] as $key => $value) {
|
|
if ($value == 'Some ID3v1 fields do not use NULL characters for padding') {
|
|
unset($info['warning'][$key]);
|
|
sort($info['warning']);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
$info['lyrics3'] = $ParsedLyrics3;
|
|
|
|
return true;
|
|
}
|
|
|
|
public function Lyrics3Timestamp2Seconds($rawtimestamp) {
|
|
if (preg_match('#^\\[([0-9]{2}):([0-9]{2})\\]$#', $rawtimestamp, $regs)) {
|
|
return (int) (($regs[1] * 60) + $regs[2]);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
public function Lyrics3LyricsTimestampParse(&$Lyrics3data) {
|
|
$lyricsarray = explode("\r\n", $Lyrics3data['raw']['LYR']);
|
|
foreach ($lyricsarray as $key => $lyricline) {
|
|
$regs = array();
|
|
unset($thislinetimestamps);
|
|
while (preg_match('#^(\\[[0-9]{2}:[0-9]{2}\\])#', $lyricline, $regs)) {
|
|
$thislinetimestamps[] = $this->Lyrics3Timestamp2Seconds($regs[0]);
|
|
$lyricline = str_replace($regs[0], '', $lyricline);
|
|
}
|
|
$notimestamplyricsarray[$key] = $lyricline;
|
|
if (isset($thislinetimestamps) && is_array($thislinetimestamps)) {
|
|
sort($thislinetimestamps);
|
|
foreach ($thislinetimestamps as $timestampkey => $timestamp) {
|
|
if (isset($Lyrics3data['synchedlyrics'][$timestamp])) {
|
|
// timestamps only have a 1-second resolution, it's possible that multiple lines
|
|
// could have the same timestamp, if so, append
|
|
$Lyrics3data['synchedlyrics'][$timestamp] .= "\r\n".$lyricline;
|
|
} else {
|
|
$Lyrics3data['synchedlyrics'][$timestamp] = $lyricline;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
$Lyrics3data['unsynchedlyrics'] = implode("\r\n", $notimestamplyricsarray);
|
|
if (isset($Lyrics3data['synchedlyrics']) && is_array($Lyrics3data['synchedlyrics'])) {
|
|
ksort($Lyrics3data['synchedlyrics']);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
public function IntString2Bool($char) {
|
|
if ($char == '1') {
|
|
return true;
|
|
} elseif ($char == '0') {
|
|
return false;
|
|
}
|
|
return null;
|
|
}
|
|
}
|