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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 // // 8 // Please see readme.txt for more information // 9 // /// 10 ///////////////////////////////////////////////////////////////// 11 12 // Defines 13 define('GETID3_VERSION', '1.7.5-200512251515'); 14 define('GETID3_FREAD_BUFFER_SIZE', 16384); // read buffer size in bytes 15 16 17 18 class getID3 19 { 20 // public: Settings 21 var $encoding = 'ISO-8859-1'; // CASE SENSITIVE! - i.e. (must be supported by iconv()) 22 // Examples: ISO-8859-1 UTF-8 UTF-16 UTF-16BE 23 24 var $encoding_id3v1 = 'ISO-8859-1'; // Should always be 'ISO-8859-1', but some tags may be written 25 // in other encodings such as 'EUC-CN' 26 27 // public: Optional tag checks - disable for speed. 28 var $option_tag_id3v1 = true; // Read and process ID3v1 tags 29 var $option_tag_id3v2 = true; // Read and process ID3v2 tags 30 var $option_tag_lyrics3 = true; // Read and process Lyrics3 tags 31 var $option_tag_apetag = true; // Read and process APE tags 32 var $option_tags_process = true; // Copy tags to root key 'tags' and encode to $this->encoding 33 var $option_tags_html = true; // Copy tags to root key 'tags_html' properly translated from various encodings to HTML entities 34 35 // public: Optional tag/comment calucations 36 var $option_extra_info = true; // Calculate additional info such as bitrate, channelmode etc 37 38 // public: Optional calculations 39 var $option_md5_data = false; // Get MD5 sum of data part - slow 40 var $option_md5_data_source = false; // Use MD5 of source file if availble - only FLAC and OptimFROG 41 var $option_sha1_data = false; // Get SHA1 sum of data part - slow 42 var $option_max_2gb_check = true; // Check whether file is larger than 2 Gb and thus not supported by PHP 43 44 // private 45 var $filename; 46 47 48 // public: constructor 49 function getID3() 50 { 51 52 $this->startup_error = ''; 53 $this->startup_warning = ''; 54 55 // Check for PHP version >= 4.1.0 56 if (phpversion() < '4.1.0') { 57 $this->startup_error .= 'getID3() requires PHP v4.1.0 or higher - you are running v'.phpversion(); 58 } 59 60 // Check memory 61 $memory_limit = ini_get('memory_limit'); 62 if (eregi('([0-9]+)M', $memory_limit, $matches)) { 63 // could be stored as "16M" rather than 16777216 for example 64 $memory_limit = $matches[1] * 1048576; 65 } 66 if ($memory_limit <= 0) { 67 // memory limits probably disabled 68 } elseif ($memory_limit <= 3145728) { 69 $this->startup_error .= 'PHP has less than 3MB available memory and will very likely run out. Increase memory_limit in php.ini'; 70 } elseif ($memory_limit <= 12582912) { 71 $this->startup_warning .= 'PHP has less than 12MB available memory and might run out if all modules are loaded. Increase memory_limit in php.ini'; 72 } 73 74 // Check safe_mode off 75 if ((bool) ini_get('safe_mode')) { 76 $this->warning('WARNING: Safe mode is on, shorten support disabled, md5data/sha1data for ogg vorbis disabled, ogg vorbos/flac tag writing disabled.'); 77 } 78 79 80 // define a constant rather than looking up every time it is needed 81 if (!defined('GETID3_OS_ISWINDOWS')) { 82 if (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN') { 83 define('GETID3_OS_ISWINDOWS', true); 84 } else { 85 define('GETID3_OS_ISWINDOWS', false); 86 } 87 } 88 89 // Get base path of getID3() - ONCE 90 if (!defined('GETID3_INCLUDEPATH')) { 91 define('GETID3_OS_DIRSLASH', (GETID3_OS_ISWINDOWS ? '\\' : '/')); 92 93 foreach (get_included_files() as $key => $val) { 94 if (basename($val) == 'getid3.php') { 95 define('GETID3_INCLUDEPATH', dirname($val).GETID3_OS_DIRSLASH); 96 break; 97 } 98 } 99 } 100 101 // Load support library 102 if (!include_once (GETID3_INCLUDEPATH.'getid3.lib.php')) { 103 $this->startup_error .= 'getid3.lib.php is missing or corrupt'; 104 } 105 106 107 // Needed for Windows only: 108 // Define locations of helper applications for Shorten, VorbisComment, MetaFLAC 109 // as well as other helper functions such as head, tail, md5sum, etc 110 // IMPORTANT: This path cannot have spaces in it. If neccesary, use the 8dot3 equivalent 111 // ie for "C:/Program Files/Apache/" put "C:/PROGRA~1/APACHE/" 112 // IMPORTANT: This path must include the trailing slash 113 if (GETID3_OS_ISWINDOWS && !defined('GETID3_HELPERAPPSDIR')) { 114 $helperappsdir = GETID3_INCLUDEPATH.'..'.GETID3_OS_DIRSLASH.'helperapps'; // must not have any space in this path 115 116 if (!is_dir($helperappsdir)) { 117 118 $this->startup_error .= '"'.$helperappsdir.'" cannot be defined as GETID3_HELPERAPPSDIR because it does not exist'; 119 120 } elseif (strpos(realpath($helperappsdir), ' ') !== false) { 121 122 $DirPieces = explode(GETID3_OS_DIRSLASH, realpath($helperappsdir)); 123 $DirPieces8 = $DirPieces; 124 125 $CLIdir = $DirPieces[0].' && cd \\'; 126 for ($i = 1; $i < count($DirPieces); $i++) { 127 if (strpos($DirPieces[$i], ' ') === false) { 128 $CLIdir .= ' && cd '.$DirPieces[$i]; 129 } else { 130 ob_start(); 131 system($CLIdir.' && dir /ad /x'); 132 $subdirsraw = explode("\n", ob_get_contents()); 133 ob_end_clean(); 134 foreach ($subdirsraw as $line) { 135 if (eregi('^[0-9]{4}/[0-9]{2}/[0-9]{2} [0-9]{2}:[0-9]{2} [AP]M <DIR> ([^ ]{8}) '.preg_quote($DirPieces[$i]).'$', trim($line), $matches)) { 136 $CLIdir .= ' && cd '.$matches[1]; 137 break; 138 } 139 } 140 $DirPieces8[$i] = $matches[1]; 141 } 142 } 143 $helperappsdir = implode(GETID3_OS_DIRSLASH, $DirPieces8); 144 145 } 146 define('GETID3_HELPERAPPSDIR', realpath($helperappsdir).GETID3_OS_DIRSLASH); 147 148 } 149 150 } 151 152 153 154 // public: analyze file - replaces GetAllFileInfo() and GetTagOnly() 155 function analyze($filename) { 156 157 if (!empty($this->startup_error)) { 158 return $this->error($this->startup_error); 159 } 160 if (!empty($this->startup_warning)) { 161 $this->warning($this->startup_warning); 162 } 163 164 // init result array and set parameters 165 $this->info = array(); 166 $this->info['GETID3_VERSION'] = GETID3_VERSION; 167 168 // Check encoding/iconv support 169 if (!function_exists('iconv') && !in_array($this->encoding, array('ISO-8859-1', 'UTF-8', 'UTF-16LE', 'UTF-16BE', 'UTF-16'))) { 170 $errormessage = 'iconv() support is needed for encodings other than ISO-8859-1, UTF-8, UTF-16LE, UTF16-BE, UTF-16. '; 171 if (GETID3_OS_ISWINDOWS) { 172 $errormessage .= 'PHP does not have iconv() support. Please enable php_iconv.dll in php.ini, and copy iconv.dll from c:/php/dlls to c:/windows/system32'; 173 } else { 174 $errormessage .= 'PHP is not compiled with iconv() support. Please recompile with the --with-iconv switch'; 175 } 176 return $this->error($errormessage); 177 } 178 179 // Disable magic_quotes_runtime, if neccesary 180 $old_magic_quotes_runtime = get_magic_quotes_runtime(); // store current setting of magic_quotes_runtime 181 if ($old_magic_quotes_runtime) { 182 set_magic_quotes_runtime(0); // turn off magic_quotes_runtime 183 if (get_magic_quotes_runtime()) { 184 return $this->error('Could not disable magic_quotes_runtime - getID3() cannot work properly with this setting enabled'); 185 } 186 } 187 188 // remote files not supported 189 if (preg_match('/^(ht|f)tp:\/\//', $filename)) { 190 return $this->error('Remote files are not supported in this version of getID3() - please copy the file locally first'); 191 } 192 193 // open local file 194 if (!$fp = @fopen($filename, 'rb')) { 195 return $this->error('Could not open file "'.$filename.'"'); 196 } 197 198 // set parameters 199 $this->info['filesize'] = filesize($filename); 200 201 // option_max_2gb_check 202 if ($this->option_max_2gb_check) { 203 // PHP doesn't support integers larger than 31-bit (~2GB) 204 // filesize() simply returns (filesize % (pow(2, 32)), no matter the actual filesize 205 // ftell() returns 0 if seeking to the end is beyond the range of unsigned integer 206 fseek($fp, 0, SEEK_END); 207 if ((($this->info['filesize'] != 0) && (ftell($fp) == 0)) || 208 ($this->info['filesize'] < 0) || 209 (ftell($fp) < 0)) { 210 unset($this->info['filesize']); 211 fclose($fp); 212 return $this->error('File is most likely larger than 2GB and is not supported by PHP'); 213 } 214 } 215 216 // set more parameters 217 $this->info['avdataoffset'] = 0; 218 $this->info['avdataend'] = $this->info['filesize']; 219 $this->info['fileformat'] = ''; // filled in later 220 $this->info['audio']['dataformat'] = ''; // filled in later, unset if not used 221 $this->info['video']['dataformat'] = ''; // filled in later, unset if not used 222 $this->info['tags'] = array(); // filled in later, unset if not used 223 $this->info['error'] = array(); // filled in later, unset if not used 224 $this->info['warning'] = array(); // filled in later, unset if not used 225 $this->info['comments'] = array(); // filled in later, unset if not used 226 $this->info['encoding'] = $this->encoding; // required by id3v2 and iso modules - can be unset at the end if desired 227 228 // set redundant parameters - might be needed in some include file 229 $this->info['filename'] = basename($filename); 230 $this->info['filepath'] = str_replace('\\', '/', realpath(dirname($filename))); 231 $this->info['filenamepath'] = $this->info['filepath'].'/'.$this->info['filename']; 232 233 234 // handle ID3v2 tag - done first - already at beginning of file 235 // ID3v2 detection (even if not parsing) is always done otherwise fileformat is much harder to detect 236 if ($this->option_tag_id3v2) { 237 238 $GETID3_ERRORARRAY = &$this->info['warning']; 239 if (getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.id3v2.php', __FILE__, false)) { 240 $tag = new getid3_id3v2($fp, $this->info); 241 } 242 243 } else { 244 245 fseek($fp, 0, SEEK_SET); 246 $header = fread($fp, 10); 247 if (substr($header, 0, 3) == 'ID3') { 248 $this->info['id3v2']['header'] = true; 249 $this->info['id3v2']['majorversion'] = ord($header{3}); 250 $this->info['id3v2']['minorversion'] = ord($header{4}); 251 $this->info['id3v2']['headerlength'] = getid3_lib::BigEndian2Int(substr($header, 6, 4), 1) + 10; // length of ID3v2 tag in 10-byte header doesn't include 10-byte header length 252 253 $this->info['id3v2']['tag_offset_start'] = 0; 254 $this->info['id3v2']['tag_offset_end'] = $this->info['id3v2']['tag_offset_start'] + $this->info['id3v2']['headerlength']; 255 $this->info['avdataoffset'] = $this->info['id3v2']['tag_offset_end']; 256 } 257 258 } 259 260 261 // handle ID3v1 tag 262 if ($this->option_tag_id3v1) { 263 if (!@include_once (GETID3_INCLUDEPATH.'module.tag.id3v1.php')) { 264 return $this->error('module.tag.id3v1.php is missing - you may disable option_tag_id3v1.'); 265 } 266 $tag = new getid3_id3v1($fp, $this->info); 267 } 268 269 // handle APE tag 270 if ($this->option_tag_apetag) { 271 if (!@include_once (GETID3_INCLUDEPATH.'module.tag.apetag.php')) { 272 return $this->error('module.tag.apetag.php is missing - you may disable option_tag_apetag.'); 273 } 274 $tag = new getid3_apetag($fp, $this->info); 275 } 276 277 // handle lyrics3 tag 278 if ($this->option_tag_lyrics3) { 279 if (!@include_once (GETID3_INCLUDEPATH.'module.tag.lyrics3.php')) { 280 return $this->error('module.tag.lyrics3.php is missing - you may disable option_tag_lyrics3.'); 281 } 282 $tag = new getid3_lyrics3($fp, $this->info); 283 } 284 285 // read 32 kb file data 286 fseek($fp, $this->info['avdataoffset'], SEEK_SET); 287 $formattest = fread($fp, 32774); 288 289 // determine format 290 $determined_format = $this->GetFileFormat($formattest, $filename); 291 292 // unable to determine file format 293 if (!$determined_format) { 294 fclose($fp); 295 return $this->error('unable to determine file format'); 296 } 297 298 // check for illegal ID3 tags 299 if (isset($determined_format['fail_id3']) && (in_array('id3v1', $this->info['tags']) || in_array('id3v2', $this->info['tags']))) { 300 if ($determined_format['fail_id3'] === 'ERROR') { 301 fclose($fp); 302 return $this->error('ID3 tags not allowed on this file type.'); 303 } elseif ($determined_format['fail_id3'] === 'WARNING') { 304 $this->info['warning'][] = 'ID3 tags not allowed on this file type.'; 305 } 306 } 307 308 // check for illegal APE tags 309 if (isset($determined_format['fail_ape']) && in_array('ape', $this->info['tags'])) { 310 if ($determined_format['fail_ape'] === 'ERROR') { 311 fclose($fp); 312 return $this->error('APE tags not allowed on this file type.'); 313 } elseif ($determined_format['fail_ape'] === 'WARNING') { 314 $this->info['warning'][] = 'APE tags not allowed on this file type.'; 315 } 316 } 317 318 // set mime type 319 $this->info['mime_type'] = $determined_format['mime_type']; 320 321 // supported format signature pattern detected, but module deleted 322 if (!file_exists(GETID3_INCLUDEPATH.$determined_format['include'])) { 323 fclose($fp); 324 return $this->error('Format not supported, module, '.$determined_format['include'].', was removed.'); 325 } 326 327 // module requires iconv support 328 if (!function_exists('iconv') && @$determined_format['iconv_req']) { 329 return $this->error('iconv support is required for this module ('.$determined_format['include'].').'); 330 } 331 332 // include module 333 include_once(GETID3_INCLUDEPATH.$determined_format['include']); 334 335 // instantiate module class 336 $class_name = 'getid3_'.$determined_format['module']; 337 if (!class_exists($class_name)) { 338 return $this->error('Format not supported, module, '.$determined_format['include'].', is corrupt.'); 339 } 340 if (isset($determined_format['option'])) { 341 $class = new $class_name($fp, $this->info, $determined_format['option']); 342 } else { 343 $class = new $class_name($fp, $this->info); 344 } 345 346 // close file 347 fclose($fp); 348 349 // process all tags - copy to 'tags' and convert charsets 350 if ($this->option_tags_process) { 351 $this->HandleAllTags(); 352 } 353 354 // perform more calculations 355 if ($this->option_extra_info) { 356 $this->ChannelsBitratePlaytimeCalculations(); 357 $this->CalculateCompressionRatioVideo(); 358 $this->CalculateCompressionRatioAudio(); 359 $this->CalculateReplayGain(); 360 $this->ProcessAudioStreams(); 361 } 362 363 // get the MD5 sum of the audio/video portion of the file - without ID3/APE/Lyrics3/etc header/footer tags 364 if ($this->option_md5_data) { 365 // do not cald md5_data if md5_data_source is present - set by flac only - future MPC/SV8 too 366 if (!$this->option_md5_data_source || empty($this->info['md5_data_source'])) { 367 $this->getHashdata('md5'); 368 } 369 } 370 371 // get the SHA1 sum of the audio/video portion of the file - without ID3/APE/Lyrics3/etc header/footer tags 372 if ($this->option_sha1_data) { 373 $this->getHashdata('sha1'); 374 } 375 376 // remove undesired keys 377 $this->CleanUp(); 378 379 // restore magic_quotes_runtime setting 380 set_magic_quotes_runtime($old_magic_quotes_runtime); 381 382 // return info array 383 return $this->info; 384 } 385 386 387 // private: error handling 388 function error($message) { 389 390 $this->CleanUp(); 391 392 $this->info['error'][] = $message; 393 return $this->info; 394 } 395 396 397 // private: warning handling 398 function warning($message) { 399 $this->info['warning'][] = $message; 400 return true; 401 } 402 403 404 // private: CleanUp 405 function CleanUp() { 406 407 // remove possible empty keys 408 $AVpossibleEmptyKeys = array('dataformat', 'bits_per_sample', 'encoder_options', 'streams'); 409 foreach ($AVpossibleEmptyKeys as $key) { 410 if (empty($this->info['audio'][$key]) && isset($this->info['audio'][$key])) { 411 unset($this->info['audio'][$key]); 412 } 413 if (empty($this->info['video'][$key]) && isset($this->info['video'][$key])) { 414 unset($this->info['video'][$key]); 415 } 416 } 417 418 // remove empty root keys 419 if (!empty($this->info)) { 420 foreach ($this->info as $key => $value) { 421 if (empty($this->info[$key]) && ($this->info[$key] !== 0) && ($this->info[$key] !== '0')) { 422 unset($this->info[$key]); 423 } 424 } 425 } 426 427 // remove meaningless entries from unknown-format files 428 if (empty($this->info['fileformat'])) { 429 if (isset($this->info['avdataoffset'])) { 430 unset($this->info['avdataoffset']); 431 } 432 if (isset($this->info['avdataend'])) { 433 unset($this->info['avdataend']); 434 } 435 } 436 } 437 438 439 // return array containing information about all supported formats 440 function GetFileFormatArray() { 441 static $format_info = array(); 442 if (empty($format_info)) { 443 $format_info = array( 444 445 // Audio formats 446 447 // AC-3 - audio - Dolby AC-3 / Dolby Digital 448 'ac3' => array( 449 'pattern' => '^\x0B\x77', 450 'group' => 'audio', 451 'module' => 'ac3', 452 'mime_type' => 'audio/ac3', 453 ), 454 455 // AAC - audio - Advanced Audio Coding (AAC) - ADIF format 456 'adif' => array( 457 'pattern' => '^ADIF', 458 'group' => 'audio', 459 'module' => 'aac', 460 'option' => 'adif', 461 'mime_type' => 'application/octet-stream', 462 'fail_ape' => 'WARNING', 463 ), 464 465 466 // AAC - audio - Advanced Audio Coding (AAC) - ADTS format (very similar to MP3) 467 'adts' => array( 468 'pattern' => '^\xFF[\xF0-\xF1\xF8-\xF9]', 469 'group' => 'audio', 470 'module' => 'aac', 471 'option' => 'adts', 472 'mime_type' => 'application/octet-stream', 473 'fail_ape' => 'WARNING', 474 ), 475 476 477 // AU - audio - NeXT/Sun AUdio (AU) 478 'au' => array( 479 'pattern' => '^\.snd', 480 'group' => 'audio', 481 'module' => 'au', 482 'mime_type' => 'audio/basic', 483 ), 484 485 // AVR - audio - Audio Visual Research 486 'avr' => array( 487 'pattern' => '^2BIT', 488 'group' => 'audio', 489 'module' => 'avr', 490 'mime_type' => 'application/octet-stream', 491 ), 492 493 // BONK - audio - Bonk v0.9+ 494 'bonk' => array( 495 'pattern' => '^\x00(BONK|INFO|META| ID3)', 496 'group' => 'audio', 497 'module' => 'bonk', 498 'mime_type' => 'audio/xmms-bonk', 499 ), 500 501 // FLAC - audio - Free Lossless Audio Codec 502 'flac' => array( 503 'pattern' => '^fLaC', 504 'group' => 'audio', 505 'module' => 'flac', 506 'mime_type' => 'audio/x-flac', 507 ), 508 509 // LA - audio - Lossless Audio (LA) 510 'la' => array( 511 'pattern' => '^LA0[2-4]', 512 'group' => 'audio', 513 'module' => 'la', 514 'mime_type' => 'application/octet-stream', 515 ), 516 517 // LPAC - audio - Lossless Predictive Audio Compression (LPAC) 518 'lpac' => array( 519 'pattern' => '^LPAC', 520 'group' => 'audio', 521 'module' => 'lpac', 522 'mime_type' => 'application/octet-stream', 523 ), 524 525 // MIDI - audio - MIDI (Musical Instrument Digital Interface) 526 'midi' => array( 527 'pattern' => '^MThd', 528 'group' => 'audio', 529 'module' => 'midi', 530 'mime_type' => 'audio/midi', 531 ), 532 533 // MAC - audio - Monkey's Audio Compressor 534 'mac' => array( 535 'pattern' => '^MAC ', 536 'group' => 'audio', 537 'module' => 'monkey', 538 'mime_type' => 'application/octet-stream', 539 ), 540 541 // MOD - audio - MODule (assorted sub-formats) 542 'mod' => array( 543 'pattern' => '^.{1080}(M.K.|[5-9]CHN|[1-3][0-9]CH)', 544 'group' => 'audio', 545 'module' => 'mod', 546 'option' => 'mod', 547 'mime_type' => 'audio/mod', 548 ), 549 550 // MOD - audio - MODule (Impulse Tracker) 551 'it' => array( 552 'pattern' => '^IMPM', 553 'group' => 'audio', 554 'module' => 'mod', 555 'option' => 'it', 556 'mime_type' => 'audio/it', 557 ), 558 559 // MOD - audio - MODule (eXtended Module, various sub-formats) 560 'xm' => array( 561 'pattern' => '^Extended Module', 562 'group' => 'audio', 563 'module' => 'mod', 564 'option' => 'xm', 565 'mime_type' => 'audio/xm', 566 ), 567 568 // MOD - audio - MODule (ScreamTracker) 569 's3m' => array( 570 'pattern' => '^.{44}SCRM', 571 'group' => 'audio', 572 'module' => 'mod', 573 'option' => 's3m', 574 'mime_type' => 'audio/s3m', 575 ), 576 577 // MPC - audio - Musepack / MPEGplus 578 'mpc' => array( 579 'pattern' => '^(MP\+|[\x00\x01\x10\x11\x40\x41\x50\x51\x80\x81\x90\x91\xC0\xC1\xD0\xD1][\x20-37][\x00\x20\x40\x60\x80\xA0\xC0\xE0])', 580 'group' => 'audio', 581 'module' => 'mpc', 582 'mime_type' => 'application/octet-stream', 583 ), 584 585 // MP3 - audio - MPEG-audio Layer 3 (very similar to AAC-ADTS) 586 'mp3' => array( 587 'pattern' => '^\xFF[\xE2-\xE7\xF2-\xF7\xFA-\xFF][\x00-\xEB]', 588 'group' => 'audio', 589 'module' => 'mp3', 590 'mime_type' => 'audio/mpeg', 591 ), 592 593 // OFR - audio - OptimFROG 594 'ofr' => array( 595 'pattern' => '^(\*RIFF|OFR)', 596 'group' => 'audio', 597 'module' => 'optimfrog', 598 'mime_type' => 'application/octet-stream', 599 ), 600 601 // RKAU - audio - RKive AUdio compressor 602 'rkau' => array( 603 'pattern' => '^RKA', 604 'group' => 'audio', 605 'module' => 'rkau', 606 'mime_type' => 'application/octet-stream', 607 ), 608 609 // SHN - audio - Shorten 610 'shn' => array( 611 'pattern' => '^ajkg', 612 'group' => 'audio', 613 'module' => 'shorten', 614 'mime_type' => 'audio/xmms-shn', 615 'fail_id3' => 'ERROR', 616 'fail_ape' => 'ERROR', 617 ), 618 619 // TTA - audio - TTA Lossless Audio Compressor (http://tta.corecodec.org) 620 'tta' => array( 621 'pattern' => '^TTA', // could also be '^TTA(\x01|\x02|\x03|2|1)' 622 'group' => 'audio', 623 'module' => 'tta', 624 'mime_type' => 'application/octet-stream', 625 ), 626 627 // VOC - audio - Creative Voice (VOC) 628 'voc' => array( 629 'pattern' => '^Creative Voice File', 630 'group' => 'audio', 631 'module' => 'voc', 632 'mime_type' => 'audio/voc', 633 ), 634 635 // VQF - audio - transform-domain weighted interleave Vector Quantization Format (VQF) 636 'vqf' => array( 637 'pattern' => '^TWIN', 638 'group' => 'audio', 639 'module' => 'vqf', 640 'mime_type' => 'application/octet-stream', 641 ), 642 643 // WV - audio - WavPack (v4.0+) 644 'wv' => array( 645 'pattern' => '^wvpk', 646 'group' => 'audio', 647 'module' => 'wavpack', 648 'mime_type' => 'application/octet-stream', 649 ), 650 651 652 // Audio-Video formats 653 654 // ASF - audio/video - Advanced Streaming Format, Windows Media Video, Windows Media Audio 655 'asf' => array( 656 'pattern' => '^\x30\x26\xB2\x75\x8E\x66\xCF\x11\xA6\xD9\x00\xAA\x00\x62\xCE\x6C', 657 'group' => 'audio-video', 658 'module' => 'asf', 659 'mime_type' => 'video/x-ms-asf', 660 'iconv_req' => false, 661 ), 662 663 // BINK - audio/video - Bink / Smacker 664 'bink' => array( 665 'pattern' => '^(BIK|SMK)', 666 'group' => 'audio-video', 667 'module' => 'bink', 668 'mime_type' => 'application/octet-stream', 669 ), 670 671 // FLV - audio/video - FLash Video 672 'flv' => array( 673 'pattern' => '^FLV\x01', 674 'group' => 'audio-video', 675 'module' => 'flv', 676 'mime_type' => 'video/x-flv', 677 ), 678 679 // MKAV - audio/video - Mastroka 680 'matroska' => array( 681 'pattern' => '^\x1A\x45\xDF\xA3', 682 'group' => 'audio-video', 683 'module' => 'matroska', 684 'mime_type' => 'application/octet-stream', 685 ), 686 687 // MPEG - audio/video - MPEG (Moving Pictures Experts Group) 688 'mpeg' => array( 689 'pattern' => '^\x00\x00\x01(\xBA|\xB3)', 690 'group' => 'audio-video', 691 'module' => 'mpeg', 692 'mime_type' => 'video/mpeg', 693 ), 694 695 // NSV - audio/video - Nullsoft Streaming Video (NSV) 696 'nsv' => array( 697 'pattern' => '^NSV[sf]', 698 'group' => 'audio-video', 699 'module' => 'nsv', 700 'mime_type' => 'application/octet-stream', 701 ), 702 703 // Ogg - audio/video - Ogg (Ogg-Vorbis, Ogg-FLAC, Speex, Ogg-Theora(*), Ogg-Tarkin(*)) 704 'ogg' => array( 705 'pattern' => '^OggS', 706 'group' => 'audio', 707 'module' => 'ogg', 708 'mime_type' => 'application/ogg', 709 'fail_id3' => 'WARNING', 710 'fail_ape' => 'WARNING', 711 ), 712 713 // QT - audio/video - Quicktime 714 'quicktime' => array( 715 'pattern' => '^.{4}(cmov|free|ftyp|mdat|moov|pnot|skip|wide)', 716 'group' => 'audio-video', 717 'module' => 'quicktime', 718 'mime_type' => 'video/quicktime', 719 ), 720 721 // RIFF - audio/video - Resource Interchange File Format (RIFF) / WAV / AVI / CD-audio / SDSS = renamed variant used by SmartSound QuickTracks (www.smartsound.com) / FORM = Audio Interchange File Format (AIFF) 722 'riff' => array( 723 'pattern' => '^(RIFF|SDSS|FORM)', 724 'group' => 'audio-video', 725 'module' => 'riff', 726 'mime_type' => 'audio/x-wave', 727 'fail_ape' => 'WARNING', 728 ), 729 730 // Real - audio/video - RealAudio, RealVideo 731 'real' => array( 732 'pattern' => '^(\.RMF|.ra)', 733 'group' => 'audio-video', 734 'module' => 'real', 735 'mime_type' => 'audio/x-realaudio', 736 ), 737 738 // SWF - audio/video - ShockWave Flash 739 'swf' => array( 740 'pattern' => '^(F|C)WS', 741 'group' => 'audio-video', 742 'module' => 'swf', 743 'mime_type' => 'application/x-shockwave-flash', 744 ), 745 746 747 // Still-Image formats 748 749 // BMP - still image - Bitmap (Windows, OS/2; uncompressed, RLE8, RLE4) 750 'bmp' => array( 751 'pattern' => '^BM', 752 'group' => 'graphic', 753 'module' => 'bmp', 754 'mime_type' => 'image/bmp', 755 'fail_id3' => 'ERROR', 756 'fail_ape' => 'ERROR', 757 ), 758 759 // GIF - still image - Graphics Interchange Format 760 'gif' => array( 761 'pattern' => '^GIF', 762 'group' => 'graphic', 763 'module' => 'gif', 764 'mime_type' => 'image/gif', 765 'fail_id3' => 'ERROR', 766 'fail_ape' => 'ERROR', 767 ), 768 769 // JPEG - still image - Joint Photographic Experts Group (JPEG) 770 'jpg' => array( 771 'pattern' => '^\xFF\xD8\xFF', 772 'group' => 'graphic', 773 'module' => 'jpg', 774 'mime_type' => 'image/jpeg', 775 'fail_id3' => 'ERROR', 776 'fail_ape' => 'ERROR', 777 ), 778 779 // PCD - still image - Kodak Photo CD 780 'pcd' => array( 781 'pattern' => '^.{2048}PCD_IPI\x00', 782 'group' => 'graphic', 783 'module' => 'pcd', 784 'mime_type' => 'image/x-photo-cd', 785 'fail_id3' => 'ERROR', 786 'fail_ape' => 'ERROR', 787 ), 788 789 790 // PNG - still image - Portable Network Graphics (PNG) 791 'png' => array( 792 'pattern' => '^\x89\x50\x4E\x47\x0D\x0A\x1A\x0A', 793 'group' => 'graphic', 794 'module' => 'png', 795 'mime_type' => 'image/png', 796 'fail_id3' => 'ERROR', 797 'fail_ape' => 'ERROR', 798 ), 799 800 801 // TIFF - still image - Tagged Information File Format (TIFF) 802 'tiff' => array( 803 'pattern' => '^(II\x2A\x00|MM\x00\x2A)', 804 'group' => 'graphic', 805 'module' => 'tiff', 806 'mime_type' => 'image/tiff', 807 'fail_id3' => 'ERROR', 808 'fail_ape' => 'ERROR', 809 ), 810 811 812 // Data formats 813 814 // ISO - data - International Standards Organization (ISO) CD-ROM Image 815 'iso' => array( 816 'pattern' => '^.{32769}CD001', 817 'group' => 'misc', 818 'module' => 'iso', 819 'mime_type' => 'application/octet-stream', 820 'fail_id3' => 'ERROR', 821 'fail_ape' => 'ERROR', 822 'iconv_req' => false, 823 ), 824 825 // RAR - data - RAR compressed data 826 'rar' => array( 827 'pattern' => '^Rar\!', 828 'group' => 'archive', 829 'module' => 'rar', 830 'mime_type' => 'application/octet-stream', 831 'fail_id3' => 'ERROR', 832 'fail_ape' => 'ERROR', 833 ), 834 835 // SZIP - audio - SZIP compressed data 836 'szip' => array( 837 'pattern' => '^SZ\x0A\x04', 838 'group' => 'archive', 839 'module' => 'szip', 840 'mime_type' => 'application/octet-stream', 841 'fail_id3' => 'ERROR', 842 'fail_ape' => 'ERROR', 843 ), 844 845 // TAR - data - TAR compressed data 846 'tar' => array( 847 'pattern' => '^.{100}[0-9\x20]{7}\x00[0-9\x20]{7}\x00[0-9\x20]{7}\x00[0-9\x20\x00]{12}[0-9\x20\x00]{12}', 848 'group' => 'archive', 849 'module' => 'tar', 850 'mime_type' => 'application/x-tar', 851 'fail_id3' => 'ERROR', 852 'fail_ape' => 'ERROR', 853 ), 854 855 // GZIP - data - GZIP compressed data 856 'gz' => array( 857 'pattern' => '^\x1F\x8B\x08', 858 'group' => 'archive', 859 'module' => 'gzip', 860 'mime_type' => 'application/x-gzip', 861 'fail_id3' => 'ERROR', 862 'fail_ape' => 'ERROR', 863 ), 864 865 // ZIP - data - ZIP compressed data 866 'zip' => array( 867 'pattern' => '^PK\x03\x04', 868 'group' => 'archive', 869 'module' => 'zip', 870 'mime_type' => 'application/zip', 871 'fail_id3' => 'ERROR', 872 'fail_ape' => 'ERROR', 873 ) 874 ); 875 } 876 877 return $format_info; 878 } 879 880 881 882 function GetFileFormat(&$filedata, $filename='') { 883 // this function will determine the format of a file based on usually 884 // the first 2-4 bytes of the file (8 bytes for PNG, 16 bytes for JPG, 885 // and in the case of ISO CD image, 6 bytes offset 32kb from the start 886 // of the file). 887 888 // Identify file format - loop through $format_info and detect with reg expr 889 foreach ($this->GetFileFormatArray() as $format_name => $info) { 890 // Using preg_match() instead of ereg() - much faster 891 // The /s switch on preg_match() forces preg_match() NOT to treat 892 // newline (0x0A) characters as special chars but do a binary match 893 if (preg_match('/'.$info['pattern'].'/s', $filedata)) { 894 $info['include'] = 'module.'.$info['group'].'.'.$info['module'].'.php'; 895 return $info; 896 } 897 } 898 899 900 if (preg_match('/\.mp[123a]$/i', $filename)) { 901 902 // Too many mp3 encoders on the market put gabage in front of mpeg files 903 // use assume format on these if format detection failed 904 $GetFileFormatArray = $this->GetFileFormatArray(); 905 $info = $GetFileFormatArray['mp3']; 906 $info['include'] = 'module.'.$info['group'].'.'.$info['module'].'.php'; 907 return $info; 908 909 //} elseif (preg_match('/\.tar$/i', $filename)) { 910 // 911 // // TAR files don't have any useful header to work from 912 // // TAR - data - TAR compressed data 913 // $info = array( 914 // 'pattern' => '^.{512}', 915 // 'group' => 'archive', 916 // 'module' => 'tar', 917 // 'mime_type' => 'application/octet-stream', 918 // 'fail_id3' => 'ERROR', 919 // 'fail_ape' => 'ERROR', 920 // ); 921 // $info['include'] = 'module.'.$info['group'].'.'.$info['module'].'.php'; 922 // return $info; 923 924 } 925 926 return false; 927 } 928 929 930 // converts array to $encoding charset from $this->encoding 931 function CharConvert(&$array, $encoding) { 932 933 // identical encoding - end here 934 if ($encoding == $this->encoding) { 935 return; 936 } 937 938 // loop thru array 939 foreach ($array as $key => $value) { 940 941 // go recursive 942 if (is_array($value)) { 943 $this->CharConvert($array[$key], $encoding); 944 } 945 946 // convert string 947 elseif (is_string($value)) { 948 $array[$key] = trim(getid3_lib::iconv_fallback($encoding, $this->encoding, $value)); 949 } 950 } 951 } 952 953 954 function HandleAllTags() { 955 956 // key name => array (tag name, character encoding) 957 static $tags; 958 if (empty($tags)) { 959 $tags = array( 960 'asf' => array('asf' , 'UTF-16LE'), 961 'midi' => array('midi' , 'ISO-8859-1'), 962 'nsv' => array('nsv' , 'ISO-8859-1'), 963 'ogg' => array('vorbiscomment' , 'UTF-8'), 964 'png' => array('png' , 'UTF-8'), 965 'tiff' => array('tiff' , 'ISO-8859-1'), 966 'quicktime' => array('quicktime' , 'ISO-8859-1'), 967 'real' => array('real' , 'ISO-8859-1'), 968 'vqf' => array('vqf' , 'ISO-8859-1'), 969 'zip' => array('zip' , 'ISO-8859-1'), 970 'riff' => array('riff' , 'ISO-8859-1'), 971 'lyrics3' => array('lyrics3' , 'ISO-8859-1'), 972 'id3v1' => array('id3v1' , $this->encoding_id3v1), 973 'id3v2' => array('id3v2' , 'UTF-8'), // not according to the specs (every frame can have a different encoding), but getID3() force-converts all encodings to UTF-8 974 'ape' => array('ape' , 'UTF-8') 975 ); 976 } 977 978 // loop thru comments array 979 foreach ($tags as $comment_name => $tagname_encoding_array) { 980 list($tag_name, $encoding) = $tagname_encoding_array; 981 982 // fill in default encoding type if not already present 983 if (isset($this->info[$comment_name]) && !isset($this->info[$comment_name]['encoding'])) { 984 $this->info[$comment_name]['encoding'] = $encoding; 985 } 986 987 // copy comments if key name set 988 if (!empty($this->info[$comment_name]['comments'])) { 989 990 foreach ($this->info[$comment_name]['comments'] as $tag_key => $valuearray) { 991 foreach ($valuearray as $key => $value) { 992 if (strlen(trim($value)) > 0) { 993 $this->info['tags'][trim($tag_name)][trim($tag_key)][] = $value; // do not trim!! Unicode characters will get mangled if trailing nulls are removed! 994 } 995 } 996 } 997 998 if (!isset($this->info['tags'][$tag_name])) { 999 // comments are set but contain nothing but empty strings, so skip 1000 continue; 1001 } 1002 1003 if ($this->option_tags_html) { 1004 foreach ($this->info['tags'][$tag_name] as $tag_key => $valuearray) { 1005 foreach ($valuearray as $key => $value) { 1006 if (is_string($value)) { 1007 //$this->info['tags_html'][$tag_name][$tag_key][$key] = getid3_lib::MultiByteCharString2HTML($value, $encoding); 1008 $this->info['tags_html'][$tag_name][$tag_key][$key] = str_replace('�', '', getid3_lib::MultiByteCharString2HTML($value, $encoding)); 1009 } else { 1010 $this->info['tags_html'][$tag_name][$tag_key][$key] = $value; 1011 } 1012 } 1013 } 1014 } 1015 1016 $this->CharConvert($this->info['tags'][$tag_name], $encoding); // only copy gets converted! 1017 } 1018 1019 } 1020 return true; 1021 } 1022 1023 1024 function getHashdata($algorithm) { 1025 switch ($algorithm) { 1026 case 'md5': 1027 case 'sha1': 1028 break; 1029 1030 default: 1031 return $this->error('bad algorithm "'.$algorithm.'" in getHashdata()'); 1032 break; 1033 } 1034 1035 if ((@$this->info['fileformat'] == 'ogg') && (@$this->info['audio']['dataformat'] == 'vorbis')) { 1036 1037 // We cannot get an identical md5_data value for Ogg files where the comments 1038 // span more than 1 Ogg page (compared to the same audio data with smaller 1039 // comments) using the normal getID3() method of MD5'ing the data between the 1040 // end of the comments and the end of the file (minus any trailing tags), 1041 // because the page sequence numbers of the pages that the audio data is on 1042 // do not match. Under normal circumstances, where comments are smaller than 1043 // the nominal 4-8kB page size, then this is not a problem, but if there are 1044 // very large comments, the only way around it is to strip off the comment 1045 // tags with vorbiscomment and MD5 that file. 1046 // This procedure must be applied to ALL Ogg files, not just the ones with 1047 // comments larger than 1 page, because the below method simply MD5's the 1048 // whole file with the comments stripped, not just the portion after the 1049 // comments block (which is the standard getID3() method. 1050 1051 // The above-mentioned problem of comments spanning multiple pages and changing 1052 // page sequence numbers likely happens for OggSpeex and OggFLAC as well, but 1053 // currently vorbiscomment only works on OggVorbis files. 1054 1055 if ((bool) ini_get('safe_mode')) { 1056 1057 $this->info['warning'][] = 'Failed making system call to vorbiscomment.exe - '.$algorithm.'_data is incorrect - error returned: PHP running in Safe Mode (backtick operator not available)'; 1058 $this->info[$algorithm.'_data'] = false; 1059 1060 } else { 1061 1062 // Prevent user from aborting script 1063 $old_abort = ignore_user_abort(true); 1064 1065 // Create empty file 1066 $empty = tempnam('*', 'getID3'); 1067 touch($empty); 1068 1069 1070 // Use vorbiscomment to make temp file without comments 1071 $temp = tempnam('*', 'getID3'); 1072 $file = $this->info['filenamepath']; 1073 1074 if (GETID3_OS_ISWINDOWS) { 1075 1076 if (file_exists(GETID3_HELPERAPPSDIR.'vorbiscomment.exe')) { 1077 1078 $commandline = '"'.GETID3_HELPERAPPSDIR.'vorbiscomment.exe" -w -c "'.$empty.'" "'.$file.'" "'.$temp.'"'; 1079 $VorbisCommentError = `$commandline`; 1080 1081 } else { 1082 1083 $VorbisCommentError = 'vorbiscomment.exe not found in '.GETID3_HELPERAPPSDIR; 1084 1085 } 1086 1087 } else { 1088 1089 $commandline = 'vorbiscomment -w -c "'.$empty.'" "'.$file.'" "'.$temp.'" 2>&1'; 1090 $VorbisCommentError = `$commandline`; 1091 1092 } 1093 1094 if (!empty($VorbisCommentError)) { 1095 1096 $this->info['warning'][] = 'Failed making system call to vorbiscomment(.exe) - '.$algorithm.'_data will be incorrect. If vorbiscomment is unavailable, please download from http://www.vorbis.com/download.psp and put in the getID3() directory. Error returned: '.$VorbisCommentError; 1097 $this->info[$algorithm.'_data'] = false; 1098 1099 } else { 1100 1101 // Get hash of newly created file 1102 switch ($algorithm) { 1103 case 'md5': 1104 $this->info[$algorithm.'_data'] = getid3_lib::md5_file($temp); 1105 break; 1106 1107 case 'sha1': 1108 $this->info[$algorithm.'_data'] = getid3_lib::sha1_file($temp); 1109 break; 1110 } 1111 } 1112 1113 // Clean up 1114 unlink($empty); 1115 unlink($temp); 1116 1117 // Reset abort setting 1118 ignore_user_abort($old_abort); 1119 1120 } 1121 1122 } else { 1123 1124 if (!empty($this->info['avdataoffset']) || (isset($this->info['avdataend']) && ($this->info['avdataend'] < $this->info['filesize']))) { 1125 1126 // get hash from part of file 1127 $this->info[$algorithm.'_data'] = getid3_lib::hash_data($this->info['filenamepath'], $this->info['avdataoffset'], $this->info['avdataend'], $algorithm); 1128 1129 } else { 1130 1131 // get hash from whole file 1132 switch ($algorithm) { 1133 case 'md5': 1134 $this->info[$algorithm.'_data'] = getid3_lib::md5_file($this->info['filenamepath']); 1135 break; 1136 1137 case 'sha1': 1138 $this->info[$algorithm.'_data'] = getid3_lib::sha1_file($this->info['filenamepath']); 1139 break; 1140 } 1141 } 1142 1143 } 1144 return true; 1145 } 1146 1147 1148 function ChannelsBitratePlaytimeCalculations() { 1149 1150 // set channelmode on audio 1151 if (@$this->info['audio']['channels'] == '1') { 1152 $this->info['audio']['channelmode'] = 'mono'; 1153 } elseif (@$this->info['audio']['channels'] == '2') { 1154 $this->info['audio']['channelmode'] = 'stereo'; 1155 } 1156 1157 // Calculate combined bitrate - audio + video 1158 $CombinedBitrate = 0; 1159 $CombinedBitrate += (isset($this->info['audio']['bitrate']) ? $this->info['audio']['bitrate'] : 0); 1160 $CombinedBitrate += (isset($this->info['video']['bitrate']) ? $this->info['video']['bitrate'] : 0); 1161 if (($CombinedBitrate > 0) && empty($this->info['bitrate'])) { 1162 $this->info['bitrate'] = $CombinedBitrate; 1163 } 1164 //if ((isset($this->info['video']) && !isset($this->info['video']['bitrate'])) || (isset($this->info['audio']) && !isset($this->info['audio']['bitrate']))) { 1165 // // for example, VBR MPEG video files cannot determine video bitrate: 1166 // // should not set overall bitrate and playtime from audio bitrate only 1167 // unset($this->info['bitrate']); 1168 //} 1169 1170 if (!isset($this->info['playtime_seconds']) && !empty($this->info['bitrate'])) { 1171 $this->info['playtime_seconds'] = (($this->info['avdataend'] - $this->info['avdataoffset']) * 8) / $this->info['bitrate']; 1172 } 1173 1174 // Set playtime string 1175 if (!empty($this->info['playtime_seconds']) && empty($this->info['playtime_string'])) { 1176 $this->info['playtime_string'] = getid3_lib::PlaytimeString($this->info['playtime_seconds']); 1177 } 1178 } 1179 1180 1181 function CalculateCompressionRatioVideo() { 1182 if (empty($this->info['video'])) { 1183 return false; 1184 } 1185 if (empty($this->info['video']['resolution_x']) || empty($this->info['video']['resolution_y'])) { 1186 return false; 1187 } 1188 if (empty($this->info['video']['bits_per_sample'])) { 1189 return false; 1190 } 1191 1192 switch ($this->info['video']['dataformat']) { 1193 case 'bmp': 1194 case 'gif': 1195 case 'jpeg': 1196 case 'jpg': 1197 case 'png': 1198 case 'tiff': 1199 $FrameRate = 1; 1200 $PlaytimeSeconds = 1; 1201 $BitrateCompressed = $this->info['filesize'] * 8; 1202 break; 1203 1204 default: 1205 if (!empty($this->info['video']['frame_rate'])) { 1206 $FrameRate = $this->info['video']['frame_rate']; 1207 } else { 1208 return false; 1209 } 1210 if (!empty($this->info['playtime_seconds'])) { 1211 $PlaytimeSeconds = $this->info['playtime_seconds']; 1212 } else { 1213 return false; 1214 } 1215 if (!empty($this->info['video']['bitrate'])) { 1216 $BitrateCompressed = $this->info['video']['bitrate']; 1217 } else { 1218 return false; 1219 } 1220 break; 1221 } 1222 $BitrateUncompressed = $this->info['video']['resolution_x'] * $this->info['video']['resolution_y'] * $this->info['video']['bits_per_sample'] * $FrameRate; 1223 1224 $this->info['video']['compression_ratio'] = $BitrateCompressed / $BitrateUncompressed; 1225 return true; 1226 } 1227 1228 1229 function CalculateCompressionRatioAudio() { 1230 if (empty($this->info['audio']['bitrate']) || empty($this->info['audio']['channels']) || empty($this->info['audio']['sample_rate'])) { 1231 return false; 1232 } 1233 $this->info['audio']['compression_ratio'] = $this->info['audio']['bitrate'] / ($this->info['audio']['channels'] * $this->info['audio']['sample_rate'] * (!empty($this->info['audio']['bits_per_sample']) ? $this->info['audio']['bits_per_sample'] : 16)); 1234 1235 if (!empty($this->info['audio']['streams'])) { 1236 foreach ($this->info['audio']['streams'] as $streamnumber => $streamdata) { 1237 if (!empty($streamdata['bitrate']) && !empty($streamdata['channels']) && !empty($streamdata['sample_rate'])) { 1238 $this->info['audio']['streams'][$streamnumber]['compression_ratio'] = $streamdata['bitrate'] / ($streamdata['channels'] * $streamdata['sample_rate'] * (!empty($streamdata['bits_per_sample']) ? $streamdata['bits_per_sample'] : 16)); 1239 } 1240 } 1241 } 1242 return true; 1243 } 1244 1245 1246 function CalculateReplayGain() { 1247 if (isset($this->info['replay_gain'])) { 1248 $this->info['replay_gain']['reference_volume'] = 89; 1249 if (isset($this->info['replay_gain']['track']['adjustment'])) { 1250 $this->info['replay_gain']['track']['volume'] = $this->info['replay_gain']['reference_volume'] - $this->info['replay_gain']['track']['adjustment']; 1251 } 1252 if (isset($this->info['replay_gain']['album']['adjustment'])) { 1253 $this->info['replay_gain']['album']['volume'] = $this->info['replay_gain']['reference_volume'] - $this->info['replay_gain']['album']['adjustment']; 1254 } 1255 1256 if (isset($this->info['replay_gain']['track']['peak'])) { 1257 $this->info['replay_gain']['track']['max_noclip_gain'] = 0 - getid3_lib::RGADamplitude2dB($this->info['replay_gain']['track']['peak']); 1258 } 1259 if (isset($this->info['replay_gain']['album']['peak'])) { 1260 $this->info['replay_gain']['album']['max_noclip_gain'] = 0 - getid3_lib::RGADamplitude2dB($this->info['replay_gain']['album']['peak']); 1261 } 1262 } 1263 return true; 1264 } 1265 1266 function ProcessAudioStreams() { 1267 if (!empty($this->info['audio']['bitrate']) || !empty($this->info['audio']['channels']) || !empty($this->info['audio']['sample_rate'])) { 1268 if (!isset($this->info['audio']['streams'])) { 1269 foreach ($this->info['audio'] as $key => $value) { 1270 if ($key != 'streams') { 1271 $this->info['audio']['streams'][0][$key] = $value; 1272 } 1273 } 1274 } 1275 } 1276 return true; 1277 } 1278 1279 } 1280 1281 ?>
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