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1 <?php 2 ///////////////////////////////////////////////////////////////// 3 /// getID3() by James Heinrich <info@getid3.org> // 4 // available at http://getid3.sourceforge.net // 5 // or http://www.getid3.org // 6 ///////////////////////////////////////////////////////////////// 7 // See readme.txt for more details // 8 ///////////////////////////////////////////////////////////////// 9 /// // 10 // module.tag.lyrics3.php // 11 // module for analyzing Lyrics3 tags // 12 // dependencies: module.tag.apetag.php (optional) // 13 // /// 14 ///////////////////////////////////////////////////////////////// 15 16 17 class getid3_lyrics3 extends getid3_handler 18 { 19 20 public function Analyze() { 21 $info = &$this->getid3->info; 22 23 // http://www.volweb.cz/str/tags.htm 24 25 if (!getid3_lib::intValueSupported($info['filesize'])) { 26 $info['warning'][] = 'Unable to check for Lyrics3 because file is larger than '.round(PHP_INT_MAX / 1073741824).'GB'; 27 return false; 28 } 29 30 fseek($this->getid3->fp, (0 - 128 - 9 - 6), SEEK_END); // end - ID3v1 - "LYRICSEND" - [Lyrics3size] 31 $lyrics3_id3v1 = fread($this->getid3->fp, 128 + 9 + 6); 32 $lyrics3lsz = substr($lyrics3_id3v1, 0, 6); // Lyrics3size 33 $lyrics3end = substr($lyrics3_id3v1, 6, 9); // LYRICSEND or LYRICS200 34 $id3v1tag = substr($lyrics3_id3v1, 15, 128); // ID3v1 35 36 if ($lyrics3end == 'LYRICSEND') { 37 // Lyrics3v1, ID3v1, no APE 38 39 $lyrics3size = 5100; 40 $lyrics3offset = $info['filesize'] - 128 - $lyrics3size; 41 $lyrics3version = 1; 42 43 } elseif ($lyrics3end == 'LYRICS200') { 44 // Lyrics3v2, ID3v1, no APE 45 46 // LSZ = lyrics + 'LYRICSBEGIN'; add 6-byte size field; add 'LYRICS200' 47 $lyrics3size = $lyrics3lsz + 6 + strlen('LYRICS200'); 48 $lyrics3offset = $info['filesize'] - 128 - $lyrics3size; 49 $lyrics3version = 2; 50 51 } elseif (substr(strrev($lyrics3_id3v1), 0, 9) == strrev('LYRICSEND')) { 52 // Lyrics3v1, no ID3v1, no APE 53 54 $lyrics3size = 5100; 55 $lyrics3offset = $info['filesize'] - $lyrics3size; 56 $lyrics3version = 1; 57 $lyrics3offset = $info['filesize'] - $lyrics3size; 58 59 } elseif (substr(strrev($lyrics3_id3v1), 0, 9) == strrev('LYRICS200')) { 60 61 // Lyrics3v2, no ID3v1, no APE 62 63 $lyrics3size = strrev(substr(strrev($lyrics3_id3v1), 9, 6)) + 6 + strlen('LYRICS200'); // LSZ = lyrics + 'LYRICSBEGIN'; add 6-byte size field; add 'LYRICS200' 64 $lyrics3offset = $info['filesize'] - $lyrics3size; 65 $lyrics3version = 2; 66 67 } else { 68 69 if (isset($info['ape']['tag_offset_start']) && ($info['ape']['tag_offset_start'] > 15)) { 70 71 fseek($this->getid3->fp, $info['ape']['tag_offset_start'] - 15, SEEK_SET); 72 $lyrics3lsz = fread($this->getid3->fp, 6); 73 $lyrics3end = fread($this->getid3->fp, 9); 74 75 if ($lyrics3end == 'LYRICSEND') { 76 // Lyrics3v1, APE, maybe ID3v1 77 78 $lyrics3size = 5100; 79 $lyrics3offset = $info['ape']['tag_offset_start'] - $lyrics3size; 80 $info['avdataend'] = $lyrics3offset; 81 $lyrics3version = 1; 82 $info['warning'][] = 'APE tag located after Lyrics3, will probably break Lyrics3 compatability'; 83 84 } elseif ($lyrics3end == 'LYRICS200') { 85 // Lyrics3v2, APE, maybe ID3v1 86 87 $lyrics3size = $lyrics3lsz + 6 + strlen('LYRICS200'); // LSZ = lyrics + 'LYRICSBEGIN'; add 6-byte size field; add 'LYRICS200' 88 $lyrics3offset = $info['ape']['tag_offset_start'] - $lyrics3size; 89 $lyrics3version = 2; 90 $info['warning'][] = 'APE tag located after Lyrics3, will probably break Lyrics3 compatability'; 91 92 } 93 94 } 95 96 } 97 98 if (isset($lyrics3offset)) { 99 $info['avdataend'] = $lyrics3offset; 100 $this->getLyrics3Data($lyrics3offset, $lyrics3version, $lyrics3size); 101 102 if (!isset($info['ape'])) { 103 $GETID3_ERRORARRAY = &$info['warning']; 104 if (getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.apetag.php', __FILE__, false)) { 105 $getid3_temp = new getID3(); 106 $getid3_temp->openfile($this->getid3->filename); 107 $getid3_apetag = new getid3_apetag($getid3_temp); 108 $getid3_apetag->overrideendoffset = $info['lyrics3']['tag_offset_start']; 109 $getid3_apetag->Analyze(); 110 if (!empty($getid3_temp->info['ape'])) { 111 $info['ape'] = $getid3_temp->info['ape']; 112 } 113 if (!empty($getid3_temp->info['replay_gain'])) { 114 $info['replay_gain'] = $getid3_temp->info['replay_gain']; 115 } 116 unset($getid3_temp, $getid3_apetag); 117 } 118 } 119 120 } 121 122 return true; 123 } 124 125 public function getLyrics3Data($endoffset, $version, $length) { 126 // http://www.volweb.cz/str/tags.htm 127 128 $info = &$this->getid3->info; 129 130 if (!getid3_lib::intValueSupported($endoffset)) { 131 $info['warning'][] = 'Unable to check for Lyrics3 because file is larger than '.round(PHP_INT_MAX / 1073741824).'GB'; 132 return false; 133 } 134 135 fseek($this->getid3->fp, $endoffset, SEEK_SET); 136 if ($length <= 0) { 137 return false; 138 } 139 $rawdata = fread($this->getid3->fp, $length); 140 141 $ParsedLyrics3['raw']['lyrics3version'] = $version; 142 $ParsedLyrics3['raw']['lyrics3tagsize'] = $length; 143 $ParsedLyrics3['tag_offset_start'] = $endoffset; 144 $ParsedLyrics3['tag_offset_end'] = $endoffset + $length - 1; 145 146 if (substr($rawdata, 0, 11) != 'LYRICSBEGIN') { 147 if (strpos($rawdata, 'LYRICSBEGIN') !== false) { 148 149 $info['warning'][] = '"LYRICSBEGIN" expected at '.$endoffset.' but actually found at '.($endoffset + strpos($rawdata, 'LYRICSBEGIN')).' - this is invalid for Lyrics3 v'.$version; 150 $info['avdataend'] = $endoffset + strpos($rawdata, 'LYRICSBEGIN'); 151 $rawdata = substr($rawdata, strpos($rawdata, 'LYRICSBEGIN')); 152 $length = strlen($rawdata); 153 $ParsedLyrics3['tag_offset_start'] = $info['avdataend']; 154 $ParsedLyrics3['raw']['lyrics3tagsize'] = $length; 155 156 } else { 157 158 $info['error'][] = '"LYRICSBEGIN" expected at '.$endoffset.' but found "'.substr($rawdata, 0, 11).'" instead'; 159 return false; 160 161 } 162 163 } 164 165 switch ($version) { 166 167 case 1: 168 if (substr($rawdata, strlen($rawdata) - 9, 9) == 'LYRICSEND') { 169 $ParsedLyrics3['raw']['LYR'] = trim(substr($rawdata, 11, strlen($rawdata) - 11 - 9)); 170 $this->Lyrics3LyricsTimestampParse($ParsedLyrics3); 171 } else { 172 $info['error'][] = '"LYRICSEND" expected at '.(ftell($this->getid3->fp) - 11 + $length - 9).' but found "'.substr($rawdata, strlen($rawdata) - 9, 9).'" instead'; 173 return false; 174 } 175 break; 176 177 case 2: 178 if (substr($rawdata, strlen($rawdata) - 9, 9) == 'LYRICS200') { 179 $ParsedLyrics3['raw']['unparsed'] = substr($rawdata, 11, strlen($rawdata) - 11 - 9 - 6); // LYRICSBEGIN + LYRICS200 + LSZ 180 $rawdata = $ParsedLyrics3['raw']['unparsed']; 181 while (strlen($rawdata) > 0) { 182 $fieldname = substr($rawdata, 0, 3); 183 $fieldsize = (int) substr($rawdata, 3, 5); 184 $ParsedLyrics3['raw'][$fieldname] = substr($rawdata, 8, $fieldsize); 185 $rawdata = substr($rawdata, 3 + 5 + $fieldsize); 186 } 187 188 if (isset($ParsedLyrics3['raw']['IND'])) { 189 $i = 0; 190 $flagnames = array('lyrics', 'timestamps', 'inhibitrandom'); 191 foreach ($flagnames as $flagname) { 192 if (strlen($ParsedLyrics3['raw']['IND']) > $i++) { 193 $ParsedLyrics3['flags'][$flagname] = $this->IntString2Bool(substr($ParsedLyrics3['raw']['IND'], $i, 1 - 1)); 194 } 195 } 196 } 197 198 $fieldnametranslation = array('ETT'=>'title', 'EAR'=>'artist', 'EAL'=>'album', 'INF'=>'comment', 'AUT'=>'author'); 199 foreach ($fieldnametranslation as $key => $value) { 200 if (isset($ParsedLyrics3['raw'][$key])) { 201 $ParsedLyrics3['comments'][$value][] = trim($ParsedLyrics3['raw'][$key]); 202 } 203 } 204 205 if (isset($ParsedLyrics3['raw']['IMG'])) { 206 $imagestrings = explode("\r\n", $ParsedLyrics3['raw']['IMG']); 207 foreach ($imagestrings as $key => $imagestring) { 208 if (strpos($imagestring, '||') !== false) { 209 $imagearray = explode('||', $imagestring); 210 $ParsedLyrics3['images'][$key]['filename'] = (isset($imagearray[0]) ? $imagearray[0] : ''); 211 $ParsedLyrics3['images'][$key]['description'] = (isset($imagearray[1]) ? $imagearray[1] : ''); 212 $ParsedLyrics3['images'][$key]['timestamp'] = $this->Lyrics3Timestamp2Seconds(isset($imagearray[2]) ? $imagearray[2] : ''); 213 } 214 } 215 } 216 if (isset($ParsedLyrics3['raw']['LYR'])) { 217 $this->Lyrics3LyricsTimestampParse($ParsedLyrics3); 218 } 219 } else { 220 $info['error'][] = '"LYRICS200" expected at '.(ftell($this->getid3->fp) - 11 + $length - 9).' but found "'.substr($rawdata, strlen($rawdata) - 9, 9).'" instead'; 221 return false; 222 } 223 break; 224 225 default: 226 $info['error'][] = 'Cannot process Lyrics3 version '.$version.' (only v1 and v2)'; 227 return false; 228 break; 229 } 230 231 232 if (isset($info['id3v1']['tag_offset_start']) && ($info['id3v1']['tag_offset_start'] <= $ParsedLyrics3['tag_offset_end'])) { 233 $info['warning'][] = 'ID3v1 tag information ignored since it appears to be a false synch in Lyrics3 tag data'; 234 unset($info['id3v1']); 235 foreach ($info['warning'] as $key => $value) { 236 if ($value == 'Some ID3v1 fields do not use NULL characters for padding') { 237 unset($info['warning'][$key]); 238 sort($info['warning']); 239 break; 240 } 241 } 242 } 243 244 $info['lyrics3'] = $ParsedLyrics3; 245 246 return true; 247 } 248 249 public function Lyrics3Timestamp2Seconds($rawtimestamp) { 250 if (preg_match('#^\\[([0-9]{2}):([0-9]{2})\\]$#', $rawtimestamp, $regs)) { 251 return (int) (($regs[1] * 60) + $regs[2]); 252 } 253 return false; 254 } 255 256 public function Lyrics3LyricsTimestampParse(&$Lyrics3data) { 257 $lyricsarray = explode("\r\n", $Lyrics3data['raw']['LYR']); 258 foreach ($lyricsarray as $key => $lyricline) { 259 $regs = array(); 260 unset($thislinetimestamps); 261 while (preg_match('#^(\\[[0-9]{2}:[0-9]{2}\\])#', $lyricline, $regs)) { 262 $thislinetimestamps[] = $this->Lyrics3Timestamp2Seconds($regs[0]); 263 $lyricline = str_replace($regs[0], '', $lyricline); 264 } 265 $notimestamplyricsarray[$key] = $lyricline; 266 if (isset($thislinetimestamps) && is_array($thislinetimestamps)) { 267 sort($thislinetimestamps); 268 foreach ($thislinetimestamps as $timestampkey => $timestamp) { 269 if (isset($Lyrics3data['synchedlyrics'][$timestamp])) { 270 // timestamps only have a 1-second resolution, it's possible that multiple lines 271 // could have the same timestamp, if so, append 272 $Lyrics3data['synchedlyrics'][$timestamp] .= "\r\n".$lyricline; 273 } else { 274 $Lyrics3data['synchedlyrics'][$timestamp] = $lyricline; 275 } 276 } 277 } 278 } 279 $Lyrics3data['unsynchedlyrics'] = implode("\r\n", $notimestamplyricsarray); 280 if (isset($Lyrics3data['synchedlyrics']) && is_array($Lyrics3data['synchedlyrics'])) { 281 ksort($Lyrics3data['synchedlyrics']); 282 } 283 return true; 284 } 285 286 public function IntString2Bool($char) { 287 if ($char == '1') { 288 return true; 289 } elseif ($char == '0') { 290 return false; 291 } 292 return null; 293 } 294 }
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| Generated: Tue Mar 25 01:41:18 2014 | WordPress honlapkészítés: online1.hu |