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Code source de LifeType 1.2.4 |
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', '1.7.7'); 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 in other encodings such as 'EUC-CN' 25 26 var $tempdir = '*'; // default '*' should use system temp dir 27 28 // public: Optional tag checks - disable for speed. 29 var $option_tag_id3v1 = true; // Read and process ID3v1 tags 30 var $option_tag_id3v2 = true; // Read and process ID3v2 tags 31 var $option_tag_lyrics3 = true; // Read and process Lyrics3 tags 32 var $option_tag_apetag = true; // Read and process APE tags 33 var $option_tags_process = true; // Copy tags to root key 'tags' and encode to $this->encoding 34 var $option_tags_html = true; // Copy tags to root key 'tags_html' properly translated from various encodings to HTML entities 35 36 // public: Optional tag/comment calucations 37 var $option_extra_info = true; // Calculate additional info such as bitrate, channelmode etc 38 39 // public: Optional calculations 40 var $option_md5_data = false; // Get MD5 sum of data part - slow 41 var $option_md5_data_source = false; // Use MD5 of source file if availble - only FLAC and OptimFROG 42 var $option_sha1_data = false; // Get SHA1 sum of data part - slow 43 var $option_max_2gb_check = true; // Check whether file is larger than 2 Gb and thus not supported by PHP 44 45 // private 46 var $filename; 47 48 49 // public: constructor 50 function getID3() 51 { 52 53 $this->startup_error = ''; 54 $this->startup_warning = ''; 55 56 // Check for PHP version >= 4.1.0 57 if (phpversion() < '4.1.0') { 58 $this->startup_error .= 'getID3() requires PHP v4.1.0 or higher - you are running v'.phpversion(); 59 } 60 61 // Check memory 62 $memory_limit = ini_get('memory_limit'); 63 if (eregi('([0-9]+)M', $memory_limit, $matches)) { 64 // could be stored as "16M" rather than 16777216 for example 65 $memory_limit = $matches[1] * 1048576; 66 } 67 if ($memory_limit <= 0) { 68 // memory limits probably disabled 69 } elseif ($memory_limit <= 3145728) { 70 $this->startup_error .= 'PHP has less than 3MB available memory and will very likely run out. Increase memory_limit in php.ini'; 71 } elseif ($memory_limit <= 12582912) { 72 $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'; 73 } 74 75 // Check safe_mode off 76 if ((bool) ini_get('safe_mode')) { 77 $this->warning('WARNING: Safe mode is on, shorten support disabled, md5data/sha1data for ogg vorbis disabled, ogg vorbos/flac tag writing disabled.'); 78 } 79 80 81 // define a constant rather than looking up every time it is needed 82 if (!defined('GETID3_OS_ISWINDOWS')) { 83 if (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN') { 84 define('GETID3_OS_ISWINDOWS', true); 85 } else { 86 define('GETID3_OS_ISWINDOWS', false); 87 } 88 } 89 90 // Get base path of getID3() - ONCE 91 if (!defined('GETID3_INCLUDEPATH')) { 92 foreach (get_included_files() as $key => $val) { 93 if (basename($val) == 'getid3.php') { 94 define('GETID3_INCLUDEPATH', dirname($val).DIRECTORY_SEPARATOR); 95 break; 96 } 97 } 98 } 99 100 // Load support library 101 if (!include_once (GETID3_INCLUDEPATH.'getid3.lib.php')) { 102 $this->startup_error .= 'getid3.lib.php is missing or corrupt'; 103 } 104 105 106 // Needed for Windows only: 107 // Define locations of helper applications for Shorten, VorbisComment, MetaFLAC 108 // as well as other helper functions such as head, tail, md5sum, etc 109 // IMPORTANT: This path cannot have spaces in it. If neccesary, use the 8dot3 equivalent 110 // ie for "C:/Program Files/Apache/" put "C:/PROGRA~1/APACHE/" 111 // IMPORTANT: This path must include the trailing slash 112 if (GETID3_OS_ISWINDOWS && !defined('GETID3_HELPERAPPSDIR')) { 113 $helperappsdir = GETID3_INCLUDEPATH.'..'.DIRECTORY_SEPARATOR.'helperapps'; // must not have any space in this path 114 115 if (!is_dir($helperappsdir)) { 116 117 $this->startup_error .= '"'.$helperappsdir.'" cannot be defined as GETID3_HELPERAPPSDIR because it does not exist'; 118 119 } elseif (strpos(realpath($helperappsdir), ' ') !== false) { 120 121 $DirPieces = explode(DIRECTORY_SEPARATOR, realpath($helperappsdir)); 122 $DirPieces8 = $DirPieces; 123 124 $CLIdir = $DirPieces[0].' && cd \\'; 125 for ($i = 1; $i < count($DirPieces); $i++) { 126 if (strpos($DirPieces[$i], ' ') === false) { 127 $CLIdir .= ' && cd '.$DirPieces[$i]; 128 } else { 129 ob_start(); 130 system($CLIdir.' && dir /ad /x'); 131 $subdirsraw = explode("\n", ob_get_contents()); 132 ob_end_clean(); 133 foreach ($subdirsraw as $dummy => $line) { 134 if (eregi('^[0-9]{4}/[0-9]{2}/[0-9]{2} [0-9]{2}:[0-9]{2} [AP]M <DIR> ([^ ]{8}) '.preg_quote($DirPieces[$i]).'$', trim($line), $matches)) { 135 $CLIdir .= ' && cd '.$matches[1]; 136 break; 137 } 138 } 139 $DirPieces8[$i] = $matches[1]; 140 } 141 } 142 $helperappsdir = implode(DIRECTORY_SEPARATOR, $DirPieces8); 143 144 } 145 define('GETID3_HELPERAPPSDIR', realpath($helperappsdir).DIRECTORY_SEPARATOR); 146 147 } 148 149 } 150 151 152 // public: setOption 153 function setOption($optArray) { 154 if (!is_array($optArray) || empty($optArray)) { 155 return false; 156 } 157 foreach ($optArray as $opt => $val) { 158 if (isset($this, $opt) === false) { 159 continue; 160 } 161 $this->$opt = $val; 162 } 163 return true; 164 } 165 166 167 // public: analyze file - replaces GetAllFileInfo() and GetTagOnly() 168 function analyze($filename) { 169 170 if (!empty($this->startup_error)) { 171 return $this->error($this->startup_error); 172 } 173 if (!empty($this->startup_warning)) { 174 $this->warning($this->startup_warning); 175 } 176 177 // init result array and set parameters 178 $this->info = array(); 179 $this->info['GETID3_VERSION'] = GETID3_VERSION; 180 181 // Check encoding/iconv support 182 if (!function_exists('iconv') && !in_array($this->encoding, array('ISO-8859-1', 'UTF-8', 'UTF-16LE', 'UTF-16BE', 'UTF-16'))) { 183 $errormessage = 'iconv() support is needed for encodings other than ISO-8859-1, UTF-8, UTF-16LE, UTF16-BE, UTF-16. '; 184 if (GETID3_OS_ISWINDOWS) { 185 $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'; 186 } else { 187 $errormessage .= 'PHP is not compiled with iconv() support. Please recompile with the --with-iconv switch'; 188 } 189 return $this->error($errormessage); 190 } 191 192 // Disable magic_quotes_runtime, if neccesary 193 $old_magic_quotes_runtime = get_magic_quotes_runtime(); // store current setting of magic_quotes_runtime 194 if ($old_magic_quotes_runtime) { 195 set_magic_quotes_runtime(0); // turn off magic_quotes_runtime 196 if (get_magic_quotes_runtime()) { 197 return $this->error('Could not disable magic_quotes_runtime - getID3() cannot work properly with this setting enabled'); 198 } 199 } 200 201 // remote files not supported 202 if (preg_match('/^(ht|f)tp:\/\//', $filename)) { 203 return $this->error('Remote files are not supported in this version of getID3() - please copy the file locally first'); 204 } 205 206 // open local file 207 if (!$fp = @fopen($filename, 'rb')) { 208 return $this->error('Could not open file "'.$filename.'"'); 209 } 210 211 // set parameters 212 $this->info['filesize'] = filesize($filename); 213 214 // option_max_2gb_check 215 if ($this->option_max_2gb_check) { 216 // PHP doesn't support integers larger than 31-bit (~2GB) 217 // filesize() simply returns (filesize % (pow(2, 32)), no matter the actual filesize 218 // ftell() returns 0 if seeking to the end is beyond the range of unsigned integer 219 fseek($fp, 0, SEEK_END); 220 if ((($this->info['filesize'] != 0) && (ftell($fp) == 0)) || 221 ($this->info['filesize'] < 0) || 222 (ftell($fp) < 0)) { 223 unset($this->info['filesize']); 224 fclose($fp); 225 return $this->error('File is most likely larger than 2GB and is not supported by PHP'); 226 } 227 } 228 229 // set more parameters 230 $this->info['avdataoffset'] = 0; 231 $this->info['avdataend'] = $this->info['filesize']; 232 $this->info['fileformat'] = ''; // filled in later 233 $this->info['audio']['dataformat'] = ''; // filled in later, unset if not used 234 $this->info['video']['dataformat'] = ''; // filled in later, unset if not used 235 $this->info['tags'] = array(); // filled in later, unset if not used 236 $this->info['error'] = array(); // filled in later, unset if not used 237 $this->info['warning'] = array(); // filled in later, unset if not used 238 $this->info['comments'] = array(); // filled in later, unset if not used 239 $this->info['encoding'] = $this->encoding; // required by id3v2 and iso modules - can be unset at the end if desired 240 241 // set redundant parameters - might be needed in some include file 242 $this->info['filename'] = basename($filename); 243 $this->info['filepath'] = str_replace('\\', '/', realpath(dirname($filename))); 244 $this->info['filenamepath'] = $this->info['filepath'].'/'.$this->info['filename']; 245 246 247 // handle ID3v2 tag - done first - already at beginning of file 248 // ID3v2 detection (even if not parsing) is always done otherwise fileformat is much harder to detect 249 if ($this->option_tag_id3v2) { 250 251 $GETID3_ERRORARRAY = &$this->info['warning']; 252 if (getid3_lib::IncludeDependency(GETID3_INCLUDEPATH.'module.tag.id3v2.php', __FILE__, false)) { 253 $tag = new getid3_id3v2($fp, $this->info); 254 } 255 256 } else { 257 258 fseek($fp, 0, SEEK_SET); 259 $header = fread($fp, 10); 260 if (substr($header, 0, 3) == 'ID3') { 261 $this->info['id3v2']['header'] = true; 262 $this->info['id3v2']['majorversion'] = ord($header{3}); 263 $this->info['id3v2']['minorversion'] = ord($header{4}); 264 $this->info['id3v2']['headerlength'] = getid3_lib::BigEndian2Int(substr($header, 6, 4), 1) + 10; // length of ID3v2 tag in 10-byte header doesn't include 10-byte header length 265 266 $this->info['id3v2']['tag_offset_start'] = 0; 267 $this->info['id3v2']['tag_offset_end'] = $this->info['id3v2']['tag_offset_start'] + $this->info['id3v2']['headerlength']; 268 $this->info['avdataoffset'] = $this->info['id3v2']['tag_offset_end']; 269 } 270 271 } 272 273 274 // handle ID3v1 tag 275 if ($this->option_tag_id3v1) { 276 if (!@include_once (GETID3_INCLUDEPATH.'module.tag.id3v1.php')) { 277 return $this->error('module.tag.id3v1.php is missing - you may disable option_tag_id3v1.'); 278 } 279 $tag = new getid3_id3v1($fp, $this->info); 280 } 281 282 // handle APE tag 283 if ($this->option_tag_apetag) { 284 if (!@include_once (GETID3_INCLUDEPATH.'module.tag.apetag.php')) { 285 return $this->error('module.tag.apetag.php is missing - you may disable option_tag_apetag.'); 286 } 287 $tag = new getid3_apetag($fp, $this->info); 288 } 289 290 // handle lyrics3 tag 291 if ($this->option_tag_lyrics3) { 292 if (!@include_once (GETID3_INCLUDEPATH.'module.tag.lyrics3.php')) { 293 return $this->error('module.tag.lyrics3.php is missing - you may disable option_tag_lyrics3.'); 294 } 295 $tag = new getid3_lyrics3($fp, $this->info); 296 } 297 298 // read 32 kb file data 299 fseek($fp, $this->info['avdataoffset'], SEEK_SET); 300 $formattest = fread($fp, 32774); 301 302 // determine format 303 $determined_format = $this->GetFileFormat($formattest, $filename); 304 305 // unable to determine file format 306 if (!$determined_format) { 307 fclose($fp); 308 return $this->error('unable to determine file format'); 309 } 310 311 // check for illegal ID3 tags 312 if (isset($determined_format['fail_id3']) && (in_array('id3v1', $this->info['tags']) || in_array('id3v2', $this->info['tags']))) { 313 if ($determined_format['fail_id3'] === 'ERROR') { 314 fclose($fp); 315 return $this->error('ID3 tags not allowed on this file type.'); 316 } elseif ($determined_format['fail_id3'] === 'WARNING') { 317 $this->info['warning'][] = 'ID3 tags not allowed on this file type.'; 318 } 319 } 320 321 // check for illegal APE tags 322 if (isset($determined_format['fail_ape']) && in_array('ape', $this->info['tags'])) { 323 if ($determined_format['fail_ape'] === 'ERROR') { 324 fclose($fp); 325 return $this->error('APE tags not allowed on this file type.'); 326 } elseif ($determined_format['fail_ape'] === 'WARNING') { 327 $this->info['warning'][] = 'APE tags not allowed on this file type.'; 328 } 329 } 330 331 // set mime type 332 $this->info['mime_type'] = $determined_format['mime_type']; 333 334 // supported format signature pattern detected, but module deleted 335 if (!file_exists(GETID3_INCLUDEPATH.$determined_format['include'])) { 336 fclose($fp); 337 return $this->error('Format not supported, module, '.$determined_format['include'].', was removed.'); 338 } 339 340 // module requires iconv support 341 if (!function_exists('iconv') && @$determined_format['iconv_req']) { 342 return $this->error('iconv support is required for this module ('.$determined_format['include'].').'); 343 } 344 345 // include module 346 include_once(GETID3_INCLUDEPATH.$determined_format['include']); 347 348 // instantiate module class 349 $class_name = 'getid3_'.$determined_format['module']; 350 if (!class_exists($class_name)) { 351 return $this->error('Format not supported, module, '.$determined_format['include'].', is corrupt.'); 352 } 353 if (isset($determined_format['option'])) { 354 $class = new $class_name($fp, $this->info, $determined_format['option']); 355 } else { 356 $class = new $class_name($fp, $this->info); 357 } 358 359 // close file 360 fclose($fp); 361 362 // process all tags - copy to 'tags' and convert charsets 363 if ($this->option_tags_process) { 364 $this->HandleAllTags(); 365 } 366 367 // perform more calculations 368 if ($this->option_extra_info) { 369 $this->ChannelsBitratePlaytimeCalculations(); 370 $this->CalculateCompressionRatioVideo(); 371 $this->CalculateCompressionRatioAudio(); 372 $this->CalculateReplayGain(); 373 $this->ProcessAudioStreams(); 374 } 375 376 // get the MD5 sum of the audio/video portion of the file - without ID3/APE/Lyrics3/etc header/footer tags 377 if ($this->option_md5_data) { 378 // do not cald md5_data if md5_data_source is present - set by flac only - future MPC/SV8 too 379 if (!$this->option_md5_data_source || empty($this->info['md5_data_source'])) { 380 $this->getHashdata('md5'); 381 } 382 } 383 384 // get the SHA1 sum of the audio/video portion of the file - without ID3/APE/Lyrics3/etc header/footer tags 385 if ($this->option_sha1_data) { 386 $this->getHashdata('sha1'); 387 } 388 389 // remove undesired keys 390 $this->CleanUp(); 391 392 // restore magic_quotes_runtime setting 393 set_magic_quotes_runtime($old_magic_quotes_runtime); 394 395 // return info array 396 return $this->info; 397 } 398 399 400 // private: error handling 401 function error($message) { 402 403 $this->CleanUp(); 404 405 $this->info['error'][] = $message; 406 return $this->info; 407 } 408 409 410 // private: warning handling 411 function warning($message) { 412 $this->info['warning'][] = $message; 413 return true; 414 } 415 416 417 // private: CleanUp 418 function CleanUp() { 419 420 // remove possible empty keys 421 $AVpossibleEmptyKeys = array('dataformat', 'bits_per_sample', 'encoder_options', 'streams'); 422 foreach ($AVpossibleEmptyKeys as $dummy => $key) { 423 if (empty($this->info['audio'][$key]) && isset($this->info['audio'][$key])) { 424 unset($this->info['audio'][$key]); 425 } 426 if (empty($this->info['video'][$key]) && isset($this->info['video'][$key])) { 427 unset($this->info['video'][$key]); 428 } 429 } 430 431 // remove empty root keys 432 if (!empty($this->info)) { 433 foreach ($this->info as $key => $value) { 434 if (empty($this->info[$key]) && ($this->info[$key] !== 0) && ($this->info[$key] !== '0')) { 435 unset($this->info[$key]); 436 } 437 } 438 } 439 440 // remove meaningless entries from unknown-format files 441 if (empty($this->info['fileformat'])) { 442 if (isset($this->info['avdataoffset'])) { 443 unset($this->info['avdataoffset']); 444 } 445 if (isset($this->info['avdataend'])) { 446 unset($this->info['avdataend']); 447 } 448 } 449 } 450 451 452 // return array containing information about all supported formats 453 function GetFileFormatArray() { 454 static $format_info = array(); 455 if (empty($format_info)) { 456 $format_info = array( 457 458 // Audio formats 459 460 // AC-3 - audio - Dolby AC-3 / Dolby Digital 461 'ac3' => array( 462 'pattern' => '^\x0B\x77', 463 'group' => 'audio', 464 'module' => 'ac3', 465 'mime_type' => 'audio/ac3', 466 ), 467 468 // AAC - audio - Advanced Audio Coding (AAC) - ADIF format 469 'adif' => array( 470 'pattern' => '^ADIF', 471 'group' => 'audio', 472 'module' => 'aac', 473 'option' => 'adif', 474 'mime_type' => 'application/octet-stream', 475 'fail_ape' => 'WARNING', 476 ), 477 478 479 // AAC - audio - Advanced Audio Coding (AAC) - ADTS format (very similar to MP3) 480 'adts' => array( 481 'pattern' => '^\xFF[\xF0-\xF1\xF8-\xF9]', 482 'group' => 'audio', 483 'module' => 'aac', 484 'option' => 'adts', 485 'mime_type' => 'application/octet-stream', 486 'fail_ape' => 'WARNING', 487 ), 488 489 490 // AU - audio - NeXT/Sun AUdio (AU) 491 'au' => array( 492 'pattern' => '^\.snd', 493 'group' => 'audio', 494 'module' => 'au', 495 'mime_type' => 'audio/basic', 496 ), 497 498 // AVR - audio - Audio Visual Research 499 'avr' => array( 500 'pattern' => '^2BIT', 501 'group' => 'audio', 502 'module' => 'avr', 503 'mime_type' => 'application/octet-stream', 504 ), 505 506 // BONK - audio - Bonk v0.9+ 507 'bonk' => array( 508 'pattern' => '^\x00(BONK|INFO|META| ID3)', 509 'group' => 'audio', 510 'module' => 'bonk', 511 'mime_type' => 'audio/xmms-bonk', 512 ), 513 514 // FLAC - audio - Free Lossless Audio Codec 515 'flac' => array( 516 'pattern' => '^fLaC', 517 'group' => 'audio', 518 'module' => 'flac', 519 'mime_type' => 'audio/x-flac', 520 ), 521 522 // LA - audio - Lossless Audio (LA) 523 'la' => array( 524 'pattern' => '^LA0[2-4]', 525 'group' => 'audio', 526 'module' => 'la', 527 'mime_type' => 'application/octet-stream', 528 ), 529 530 // LPAC - audio - Lossless Predictive Audio Compression (LPAC) 531 'lpac' => array( 532 'pattern' => '^LPAC', 533 'group' => 'audio', 534 'module' => 'lpac', 535 'mime_type' => 'application/octet-stream', 536 ), 537 538 // MIDI - audio - MIDI (Musical Instrument Digital Interface) 539 'midi' => array( 540 'pattern' => '^MThd', 541 'group' => 'audio', 542 'module' => 'midi', 543 'mime_type' => 'audio/midi', 544 ), 545 546 // MAC - audio - Monkey's Audio Compressor 547 'mac' => array( 548 'pattern' => '^MAC ', 549 'group' => 'audio', 550 'module' => 'monkey', 551 'mime_type' => 'application/octet-stream', 552 ), 553 554 // MOD - audio - MODule (assorted sub-formats) 555 'mod' => array( 556 'pattern' => '^.{1080}(M.K.|[5-9]CHN|[1-3][0-9]CH)', 557 'group' => 'audio', 558 'module' => 'mod', 559 'option' => 'mod', 560 'mime_type' => 'audio/mod', 561 ), 562 563 // MOD - audio - MODule (Impulse Tracker) 564 'it' => array( 565 'pattern' => '^IMPM', 566 'group' => 'audio', 567 'module' => 'mod', 568 'option' => 'it', 569 'mime_type' => 'audio/it', 570 ), 571 572 // MOD - audio - MODule (eXtended Module, various sub-formats) 573 'xm' => array( 574 'pattern' => '^Extended Module', 575 'group' => 'audio', 576 'module' => 'mod', 577 'option' => 'xm', 578 'mime_type' => 'audio/xm', 579 ), 580 581 // MOD - audio - MODule (ScreamTracker) 582 's3m' => array( 583 'pattern' => '^.{44}SCRM', 584 'group' => 'audio', 585 'module' => 'mod', 586 'option' => 's3m', 587 'mime_type' => 'audio/s3m', 588 ), 589 590 // MPC - audio - Musepack / MPEGplus 591 'mpc' => array( 592 '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])', 593 'group' => 'audio', 594 'module' => 'mpc', 595 'mime_type' => 'application/octet-stream', 596 ), 597 598 // MP3 - audio - MPEG-audio Layer 3 (very similar to AAC-ADTS) 599 'mp3' => array( 600 'pattern' => '^\xFF[\xE2-\xE7\xF2-\xF7\xFA-\xFF][\x00-\xEB]', 601 'group' => 'audio', 602 'module' => 'mp3', 603 'mime_type' => 'audio/mpeg', 604 ), 605 606 // OFR - audio - OptimFROG 607 'ofr' => array( 608 'pattern' => '^(\*RIFF|OFR)', 609 'group' => 'audio', 610 'module' => 'optimfrog', 611 'mime_type' => 'application/octet-stream', 612 ), 613 614 // RKAU - audio - RKive AUdio compressor 615 'rkau' => array( 616 'pattern' => '^RKA', 617 'group' => 'audio', 618 'module' => 'rkau', 619 'mime_type' => 'application/octet-stream', 620 ), 621 622 // SHN - audio - Shorten 623 'shn' => array( 624 'pattern' => '^ajkg', 625 'group' => 'audio', 626 'module' => 'shorten', 627 'mime_type' => 'audio/xmms-shn', 628 'fail_id3' => 'ERROR', 629 'fail_ape' => 'ERROR', 630 ), 631 632 // TTA - audio - TTA Lossless Audio Compressor (http://tta.corecodec.org) 633 'tta' => array( 634 'pattern' => '^TTA', // could also be '^TTA(\x01|\x02|\x03|2|1)' 635 'group' => 'audio', 636 'module' => 'tta', 637 'mime_type' => 'application/octet-stream', 638 ), 639 640 // VOC - audio - Creative Voice (VOC) 641 'voc' => array( 642 'pattern' => '^Creative Voice File', 643 'group' => 'audio', 644 'module' => 'voc', 645 'mime_type' => 'audio/voc', 646 ), 647 648 // VQF - audio - transform-domain weighted interleave Vector Quantization Format (VQF) 649 'vqf' => array( 650 'pattern' => '^TWIN', 651 'group' => 'audio', 652 'module' => 'vqf', 653 'mime_type' => 'application/octet-stream', 654 ), 655 656 // WV - audio - WavPack (v4.0+) 657 'wv' => array( 658 'pattern' => '^wvpk', 659 'group' => 'audio', 660 'module' => 'wavpack', 661 'mime_type' => 'application/octet-stream', 662 ), 663 664 665 // Audio-Video formats 666 667 // ASF - audio/video - Advanced Streaming Format, Windows Media Video, Windows Media Audio 668 'asf' => array( 669 'pattern' => '^\x30\x26\xB2\x75\x8E\x66\xCF\x11\xA6\xD9\x00\xAA\x00\x62\xCE\x6C', 670 'group' => 'audio-video', 671 'module' => 'asf', 672 'mime_type' => 'video/x-ms-asf', 673 'iconv_req' => false, 674 ), 675 676 // BINK - audio/video - Bink / Smacker 677 'bink' => array( 678 'pattern' => '^(BIK|SMK)', 679 'group' => 'audio-video', 680 'module' => 'bink', 681 'mime_type' => 'application/octet-stream', 682 ), 683 684 // FLV - audio/video - FLash Video 685 'flv' => array( 686 'pattern' => '^FLV\x01', 687 'group' => 'audio-video', 688 'module' => 'flv', 689 'mime_type' => 'video/x-flv', 690 ), 691 692 // MKAV - audio/video - Mastroka 693 'matroska' => array( 694 'pattern' => '^\x1A\x45\xDF\xA3', 695 'group' => 'audio-video', 696 'module' => 'matroska', 697 'mime_type' => 'application/octet-stream', 698 ), 699 700 // MPEG - audio/video - MPEG (Moving Pictures Experts Group) 701 'mpeg' => array( 702 'pattern' => '^\x00\x00\x01(\xBA|\xB3)', 703 'group' => 'audio-video', 704 'module' => 'mpeg', 705 'mime_type' => 'video/mpeg', 706 ), 707 708 // NSV - audio/video - Nullsoft Streaming Video (NSV) 709 'nsv' => array( 710 'pattern' => '^NSV[sf]', 711 'group' => 'audio-video', 712 'module' => 'nsv', 713 'mime_type' => 'application/octet-stream', 714 ), 715 716 // Ogg - audio/video - Ogg (Ogg-Vorbis, Ogg-FLAC, Speex, Ogg-Theora(*), Ogg-Tarkin(*)) 717 'ogg' => array( 718 'pattern' => '^OggS', 719 'group' => 'audio', 720 'module' => 'ogg', 721 'mime_type' => 'application/ogg', 722 'fail_id3' => 'WARNING', 723 'fail_ape' => 'WARNING', 724 ), 725 726 // QT - audio/video - Quicktime 727 'quicktime' => array( 728 'pattern' => '^.{4}(cmov|free|ftyp|mdat|moov|pnot|skip|wide)', 729 'group' => 'audio-video', 730 'module' => 'quicktime', 731 'mime_type' => 'video/quicktime', 732 ), 733 734 // 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) 735 'riff' => array( 736 'pattern' => '^(RIFF|SDSS|FORM)', 737 'group' => 'audio-video', 738 'module' => 'riff', 739 'mime_type' => 'audio/x-wave', 740 'fail_ape' => 'WARNING', 741 ), 742 743 // Real - audio/video - RealAudio, RealVideo 744 'real' => array( 745 'pattern' => '^(\.RMF|.ra)', 746 'group' => 'audio-video', 747 'module' => 'real', 748 'mime_type' => 'audio/x-realaudio', 749 ), 750 751 // SWF - audio/video - ShockWave Flash 752 'swf' => array( 753 'pattern' => '^(F|C)WS', 754 'group' => 'audio-video', 755 'module' => 'swf', 756 'mime_type' => 'application/x-shockwave-flash', 757 ), 758 759 760 // Still-Image formats 761 762 // BMP - still image - Bitmap (Windows, OS/2; uncompressed, RLE8, RLE4) 763 'bmp' => array( 764 'pattern' => '^BM', 765 'group' => 'graphic', 766 'module' => 'bmp', 767 'mime_type' => 'image/bmp', 768 'fail_id3' => 'ERROR', 769 'fail_ape' => 'ERROR', 770 ), 771 772 // GIF - still image - Graphics Interchange Format 773 'gif' => array( 774 'pattern' => '^GIF', 775 'group' => 'graphic', 776 'module' => 'gif', 777 'mime_type' => 'image/gif', 778 'fail_id3' => 'ERROR', 779 'fail_ape' => 'ERROR', 780 ), 781 782 // JPEG - still image - Joint Photographic Experts Group (JPEG) 783 'jpg' => array( 784 'pattern' => '^\xFF\xD8\xFF', 785 'group' => 'graphic', 786 'module' => 'jpg', 787 'mime_type' => 'image/jpeg', 788 'fail_id3' => 'ERROR', 789 'fail_ape' => 'ERROR', 790 ), 791 792 // PCD - still image - Kodak Photo CD 793 'pcd' => array( 794 'pattern' => '^.{2048}PCD_IPI\x00', 795 'group' => 'graphic', 796 'module' => 'pcd', 797 'mime_type' => 'image/x-photo-cd', 798 'fail_id3' => 'ERROR', 799 'fail_ape' => 'ERROR', 800 ), 801 802 803 // PNG - still image - Portable Network Graphics (PNG) 804 'png' => array( 805 'pattern' => '^\x89\x50\x4E\x47\x0D\x0A\x1A\x0A', 806 'group' => 'graphic', 807 'module' => 'png', 808 'mime_type' => 'image/png', 809 'fail_id3' => 'ERROR', 810 'fail_ape' => 'ERROR', 811 ), 812 813 814 // TIFF - still image - Tagged Information File Format (TIFF) 815 'tiff' => array( 816 'pattern' => '^(II\x2A\x00|MM\x00\x2A)', 817 'group' => 'graphic', 818 'module' => 'tiff', 819 'mime_type' => 'image/tiff', 820 'fail_id3' => 'ERROR', 821 'fail_ape' => 'ERROR', 822 ), 823 824 825 // Data formats 826 827 // ISO - data - International Standards Organization (ISO) CD-ROM Image 828 'iso' => array( 829 'pattern' => '^.{32769}CD001', 830 'group' => 'misc', 831 'module' => 'iso', 832 'mime_type' => 'application/octet-stream', 833 'fail_id3' => 'ERROR', 834 'fail_ape' => 'ERROR', 835 'iconv_req' => false, 836 ), 837 838 // RAR - data - RAR compressed data 839 'rar' => array( 840 'pattern' => '^Rar\!', 841 'group' => 'archive', 842 'module' => 'rar', 843 'mime_type' => 'application/octet-stream', 844 'fail_id3' => 'ERROR', 845 'fail_ape' => 'ERROR', 846 ), 847 848 // SZIP - audio/data - SZIP compressed data 849 'szip' => array( 850 'pattern' => '^SZ\x0A\x04', 851 'group' => 'archive', 852 'module' => 'szip', 853 'mime_type' => 'application/octet-stream', 854 'fail_id3' => 'ERROR', 855 'fail_ape' => 'ERROR', 856 ), 857 858 // TAR - data - TAR compressed data 859 'tar' => array( 860 '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}', 861 'group' => 'archive', 862 'module' => 'tar', 863 'mime_type' => 'application/x-tar', 864 'fail_id3' => 'ERROR', 865 'fail_ape' => 'ERROR', 866 ), 867 868 // GZIP - data - GZIP compressed data 869 'gz' => array( 870 'pattern' => '^\x1F\x8B\x08', 871 'group' => 'archive', 872 'module' => 'gzip', 873 'mime_type' => 'application/x-gzip', 874 'fail_id3' => 'ERROR', 875 'fail_ape' => 'ERROR', 876 ), 877 878 // ZIP - data - ZIP compressed data 879 'zip' => array( 880 'pattern' => '^PK\x03\x04', 881 'group' => 'archive', 882 'module' => 'zip', 883 'mime_type' => 'application/zip', 884 'fail_id3' => 'ERROR', 885 'fail_ape' => 'ERROR', 886 ), 887 888 889 // Misc other formats 890 891 // PDF - data - ZIP compressed data 892 'pdf' => array( 893 'pattern' => '^\x25PDF', 894 'group' => 'misc', 895 'module' => 'pdf', 896 'mime_type' => 'application/pdf', 897 'fail_id3' => 'ERROR', 898 'fail_ape' => 'ERROR', 899 ), 900 901 // MSOFFICE - data - ZIP compressed data 902 'msoffice' => array( 903 'pattern' => '^\xD0\xCF\x11\xE0', // D0CF11E == DOCFILE == Microsoft Office Document 904 'group' => 'misc', 905 'module' => 'msoffice', 906 'mime_type' => 'application/octet-stream', 907 'fail_id3' => 'ERROR', 908 'fail_ape' => 'ERROR', 909 ), 910 ); 911 } 912 913 return $format_info; 914 } 915 916 917 918 function GetFileFormat(&$filedata, $filename='') { 919 // this function will determine the format of a file based on usually 920 // the first 2-4 bytes of the file (8 bytes for PNG, 16 bytes for JPG, 921 // and in the case of ISO CD image, 6 bytes offset 32kb from the start 922 // of the file). 923 924 // Identify file format - loop through $format_info and detect with reg expr 925 foreach ($this->GetFileFormatArray() as $format_name => $info) { 926 // Using preg_match() instead of ereg() - much faster 927 // The /s switch on preg_match() forces preg_match() NOT to treat 928 // newline (0x0A) characters as special chars but do a binary match 929 if (preg_match('/'.$info['pattern'].'/s', $filedata)) { 930 $info['include'] = 'module.'.$info['group'].'.'.$info['module'].'.php'; 931 return $info; 932 } 933 } 934 935 936 if (preg_match('/\.mp[123a]$/i', $filename)) { 937 // Too many mp3 encoders on the market put gabage in front of mpeg files 938 // use assume format on these if format detection failed 939 $GetFileFormatArray = $this->GetFileFormatArray(); 940 $info = $GetFileFormatArray['mp3']; 941 $info['include'] = 'module.'.$info['group'].'.'.$info['module'].'.php'; 942 return $info; 943 } 944 945 return false; 946 } 947 948 949 // converts array to $encoding charset from $this->encoding 950 function CharConvert(&$array, $encoding) { 951 952 // identical encoding - end here 953 if ($encoding == $this->encoding) { 954 return; 955 } 956 957 // loop thru array 958 foreach ($array as $key => $value) { 959 960 // go recursive 961 if (is_array($value)) { 962 $this->CharConvert($array[$key], $encoding); 963 } 964 965 // convert string 966 elseif (is_string($value)) { 967 $array[$key] = trim(getid3_lib::iconv_fallback($encoding, $this->encoding, $value)); 968 } 969 } 970 } 971 972 973 function HandleAllTags() { 974 975 // key name => array (tag name, character encoding) 976 static $tags; 977 if (empty($tags)) { 978 $tags = array( 979 'asf' => array('asf' , 'UTF-16LE'), 980 'midi' => array('midi' , 'ISO-8859-1'), 981 'nsv' => array('nsv' , 'ISO-8859-1'), 982 'ogg' => array('vorbiscomment' , 'UTF-8'), 983 'png' => array('png' , 'UTF-8'), 984 'tiff' => array('tiff' , 'ISO-8859-1'), 985 'quicktime' => array('quicktime' , 'ISO-8859-1'), 986 'real' => array('real' , 'ISO-8859-1'), 987 'vqf' => array('vqf' , 'ISO-8859-1'), 988 'zip' => array('zip' , 'ISO-8859-1'), 989 'riff' => array('riff' , 'ISO-8859-1'), 990 'lyrics3' => array('lyrics3' , 'ISO-8859-1'), 991 'id3v1' => array('id3v1' , $this->encoding_id3v1), 992 'id3v2' => array('id3v2' , 'UTF-8'), // not according to the specs (every frame can have a different encoding), but getID3() force-converts all encodings to UTF-8 993 'ape' => array('ape' , 'UTF-8') 994 ); 995 } 996 997 // loop thru comments array 998 foreach ($tags as $comment_name => $tagname_encoding_array) { 999 list($tag_name, $encoding) = $tagname_encoding_array; 1000 1001 // fill in default encoding type if not already present 1002 if (isset($this->info[$comment_name]) && !isset($this->info[$comment_name]['encoding'])) { 1003 $this->info[$comment_name]['encoding'] = $encoding; 1004 } 1005 1006 // copy comments if key name set 1007 if (!empty($this->info[$comment_name]['comments'])) { 1008 1009 foreach ($this->info[$comment_name]['comments'] as $tag_key => $valuearray) { 1010 foreach ($valuearray as $key => $value) { 1011 if (strlen(trim($value)) > 0) { 1012 $this->info['tags'][trim($tag_name)][trim($tag_key)][] = $value; // do not trim!! Unicode characters will get mangled if trailing nulls are removed! 1013 } 1014 } 1015 } 1016 1017 if (!isset($this->info['tags'][$tag_name])) { 1018 // comments are set but contain nothing but empty strings, so skip 1019 continue; 1020 } 1021 1022 if ($this->option_tags_html) { 1023 foreach ($this->info['tags'][$tag_name] as $tag_key => $valuearray) { 1024 foreach ($valuearray as $key => $value) { 1025 if (is_string($value)) { 1026 //$this->info['tags_html'][$tag_name][$tag_key][$key] = getid3_lib::MultiByteCharString2HTML($value, $encoding); 1027 $this->info['tags_html'][$tag_name][$tag_key][$key] = str_replace('�', '', getid3_lib::MultiByteCharString2HTML($value, $encoding)); 1028 } else { 1029 $this->info['tags_html'][$tag_name][$tag_key][$key] = $value; 1030 } 1031 } 1032 } 1033 } 1034 1035 $this->CharConvert($this->info['tags'][$tag_name], $encoding); // only copy gets converted! 1036 } 1037 1038 } 1039 return true; 1040 } 1041 1042 1043 function getHashdata($algorithm) { 1044 switch ($algorithm) { 1045 case 'md5': 1046 case 'sha1': 1047 break; 1048 1049 default: 1050 return $this->error('bad algorithm "'.$algorithm.'" in getHashdata()'); 1051 break; 1052 } 1053 1054 if ((@$this->info['fileformat'] == 'ogg') && (@$this->info['audio']['dataformat'] == 'vorbis')) { 1055 1056 // We cannot get an identical md5_data value for Ogg files where the comments 1057 // span more than 1 Ogg page (compared to the same audio data with smaller 1058 // comments) using the normal getID3() method of MD5'ing the data between the 1059 // end of the comments and the end of the file (minus any trailing tags), 1060 // because the page sequence numbers of the pages that the audio data is on 1061 // do not match. Under normal circumstances, where comments are smaller than 1062 // the nominal 4-8kB page size, then this is not a problem, but if there are 1063 // very large comments, the only way around it is to strip off the comment 1064 // tags with vorbiscomment and MD5 that file. 1065 // This procedure must be applied to ALL Ogg files, not just the ones with 1066 // comments larger than 1 page, because the below method simply MD5's the 1067 // whole file with the comments stripped, not just the portion after the 1068 // comments block (which is the standard getID3() method. 1069 1070 // The above-mentioned problem of comments spanning multiple pages and changing 1071 // page sequence numbers likely happens for OggSpeex and OggFLAC as well, but 1072 // currently vorbiscomment only works on OggVorbis files. 1073 1074 if ((bool) ini_get('safe_mode')) { 1075 1076 $this->info['warning'][] = 'Failed making system call to vorbiscomment.exe - '.$algorithm.'_data is incorrect - error returned: PHP running in Safe Mode (backtick operator not available)'; 1077 $this->info[$algorithm.'_data'] = false; 1078 1079 } else { 1080 1081 // Prevent user from aborting script 1082 $old_abort = ignore_user_abort(true); 1083 1084 // Create empty file 1085 $empty = tempnam('*', 'getID3'); 1086 touch($empty); 1087 1088 1089 // Use vorbiscomment to make temp file without comments 1090 $temp = tempnam('*', 'getID3'); 1091 $file = $this->info['filenamepath']; 1092 1093 if (GETID3_OS_ISWINDOWS) { 1094 1095 if (file_exists(GETID3_HELPERAPPSDIR.'vorbiscomment.exe')) { 1096 1097 $commandline = '"'.GETID3_HELPERAPPSDIR.'vorbiscomment.exe" -w -c "'.$empty.'" "'.$file.'" "'.$temp.'"'; 1098 $VorbisCommentError = `$commandline`; 1099 1100 } else { 1101 1102 $VorbisCommentError = 'vorbiscomment.exe not found in '.GETID3_HELPERAPPSDIR; 1103 1104 } 1105 1106 } else { 1107 1108 $commandline = 'vorbiscomment -w -c "'.$empty.'" "'.$file.'" "'.$temp.'" 2>&1'; 1109 $commandline = 'vorbiscomment -w -c '.escapeshellarg($empty).' '.escapeshellarg($file).' '.escapeshellarg($temp).' 2>&1'; 1110 $VorbisCommentError = `$commandline`; 1111 1112 } 1113 1114 if (!empty($VorbisCommentError)) { 1115 1116 $this->info['warning'][] = 'Failed making system call to vorbiscomment(.exe) - '.$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; 1117 $this->info[$algorithm.'_data'] = false; 1118 1119 } else { 1120 1121 // Get hash of newly created file 1122 switch ($algorithm) { 1123 case 'md5': 1124 $this->info[$algorithm.'_data'] = getid3_lib::md5_file($temp); 1125 break; 1126 1127 case 'sha1': 1128 $this->info[$algorithm.'_data'] = getid3_lib::sha1_file($temp); 1129 break; 1130 } 1131 } 1132 1133 // Clean up 1134 unlink($empty); 1135 unlink($temp); 1136 1137 // Reset abort setting 1138 ignore_user_abort($old_abort); 1139 1140 } 1141 1142 } else { 1143 1144 if (!empty($this->info['avdataoffset']) || (isset($this->info['avdataend']) && ($this->info['avdataend'] < $this->info['filesize']))) { 1145 1146 // get hash from part of file 1147 $this->info[$algorithm.'_data'] = getid3_lib::hash_data($this->info['filenamepath'], $this->info['avdataoffset'], $this->info['avdataend'], $algorithm); 1148 1149 } else { 1150 1151 // get hash from whole file 1152 switch ($algorithm) { 1153 case 'md5': 1154 $this->info[$algorithm.'_data'] = getid3_lib::md5_file($this->info['filenamepath']); 1155 break; 1156 1157 case 'sha1': 1158 $this->info[$algorithm.'_data'] = getid3_lib::sha1_file($this->info['filenamepath']); 1159 break; 1160 } 1161 } 1162 1163 } 1164 return true; 1165 } 1166 1167 1168 function ChannelsBitratePlaytimeCalculations() { 1169 1170 // set channelmode on audio 1171 if (@$this->info['audio']['channels'] == '1') { 1172 $this->info['audio']['channelmode'] = 'mono'; 1173 } elseif (@$this->info['audio']['channels'] == '2') { 1174 $this->info['audio']['channelmode'] = 'stereo'; 1175 } 1176 1177 // Calculate combined bitrate - audio + video 1178 $CombinedBitrate = 0; 1179 $CombinedBitrate += (isset($this->info['audio']['bitrate']) ? $this->info['audio']['bitrate'] : 0); 1180 $CombinedBitrate += (isset($this->info['video']['bitrate']) ? $this->info['video']['bitrate'] : 0); 1181 if (($CombinedBitrate > 0) && empty($this->info['bitrate'])) { 1182 $this->info['bitrate'] = $CombinedBitrate; 1183 } 1184 //if ((isset($this->info['video']) && !isset($this->info['video']['bitrate'])) || (isset($this->info['audio']) && !isset($this->info['audio']['bitrate']))) { 1185 // // for example, VBR MPEG video files cannot determine video bitrate: 1186 // // should not set overall bitrate and playtime from audio bitrate only 1187 // unset($this->info['bitrate']); 1188 //} 1189 1190 if (!isset($this->info['playtime_seconds']) && !empty($this->info['bitrate'])) { 1191 $this->info['playtime_seconds'] = (($this->info['avdataend'] - $this->info['avdataoffset']) * 8) / $this->info['bitrate']; 1192 } 1193 1194 // Set playtime string 1195 if (!empty($this->info['playtime_seconds']) && empty($this->info['playtime_string'])) { 1196 $this->info['playtime_string'] = getid3_lib::PlaytimeString($this->info['playtime_seconds']); 1197 } 1198 } 1199 1200 1201 function CalculateCompressionRatioVideo() { 1202 if (empty($this->info['video'])) { 1203 return false; 1204 } 1205 if (empty($this->info['video']['resolution_x']) || empty($this->info['video']['resolution_y'])) { 1206 return false; 1207 } 1208 if (empty($this->info['video']['bits_per_sample'])) { 1209 return false; 1210 } 1211 1212 switch ($this->info['video']['dataformat']) { 1213 case 'bmp': 1214 case 'gif': 1215 case 'jpeg': 1216 case 'jpg': 1217 case 'png': 1218 case 'tiff': 1219 $FrameRate = 1; 1220 $PlaytimeSeconds = 1; 1221 $BitrateCompressed = $this->info['filesize'] * 8; 1222 break; 1223 1224 default: 1225 if (!empty($this->info['video']['frame_rate'])) { 1226 $FrameRate = $this->info['video']['frame_rate']; 1227 } else { 1228 return false; 1229 } 1230 if (!empty($this->info['playtime_seconds'])) { 1231 $PlaytimeSeconds = $this->info['playtime_seconds']; 1232 } else { 1233 return false; 1234 } 1235 if (!empty($this->info['video']['bitrate'])) { 1236 $BitrateCompressed = $this->info['video']['bitrate']; 1237 } else { 1238 return false; 1239 } 1240 break; 1241 } 1242 $BitrateUncompressed = $this->info['video']['resolution_x'] * $this->info['video']['resolution_y'] * $this->info['video']['bits_per_sample'] * $FrameRate; 1243 1244 $this->info['video']['compression_ratio'] = $BitrateCompressed / $BitrateUncompressed; 1245 return true; 1246 } 1247 1248 1249 function CalculateCompressionRatioAudio() { 1250 if (empty($this->info['audio']['bitrate']) || empty($this->info['audio']['channels']) || empty($this->info['audio']['sample_rate'])) { 1251 return false; 1252 } 1253 $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']) ? $this->info['audio']['bits_per_sample'] : 16)); 1254 1255 if (!empty($this->info['audio']['streams'])) { 1256 foreach ($this->info['audio']['streams'] as $streamnumber => $streamdata) { 1257 if (!empty($streamdata['bitrate']) && !empty($streamdata['channels']) && !empty($streamdata['sample_rate'])) { 1258 $this->info['audio']['streams'][$streamnumber]['compression_ratio'] = $streamdata['bitrate'] / ($streamdata['channels'] * $streamdata['sample_rate'] * (!empty($streamdata['bits_per_sample']) ? $streamdata['bits_per_sample'] : 16)); 1259 } 1260 } 1261 } 1262 return true; 1263 } 1264 1265 1266 function CalculateReplayGain() { 1267 if (isset($this->info['replay_gain'])) { 1268 $this->info['replay_gain']['reference_volume'] = 89; 1269 if (isset($this->info['replay_gain']['track']['adjustment'])) { 1270 $this->info['replay_gain']['track']['volume'] = $this->info['replay_gain']['reference_volume'] - $this->info['replay_gain']['track']['adjustment']; 1271 } 1272 if (isset($this->info['replay_gain']['album']['adjustment'])) { 1273 $this->info['replay_gain']['album']['volume'] = $this->info['replay_gain']['reference_volume'] - $this->info['replay_gain']['album']['adjustment']; 1274 } 1275 1276 if (isset($this->info['replay_gain']['track']['peak'])) { 1277 $this->info['replay_gain']['track']['max_noclip_gain'] = 0 - getid3_lib::RGADamplitude2dB($this->info['replay_gain']['track']['peak']); 1278 } 1279 if (isset($this->info['replay_gain']['album']['peak'])) { 1280 $this->info['replay_gain']['album']['max_noclip_gain'] = 0 - getid3_lib::RGADamplitude2dB($this->info['replay_gain']['album']['peak']); 1281 } 1282 } 1283 return true; 1284 } 1285 1286 function ProcessAudioStreams() { 1287 if (!empty($this->info['audio']['bitrate']) || !empty($this->info['audio']['channels']) || !empty($this->info['audio']['sample_rate'])) { 1288 if (!isset($this->info['audio']['streams'])) { 1289 foreach ($this->info['audio'] as $key => $value) { 1290 if ($key != 'streams') { 1291 $this->info['audio']['streams'][0][$key] = $value; 1292 } 1293 } 1294 } 1295 } 1296 return true; 1297 } 1298 1299 function getid3_tempnam() { 1300 return tempnam($this->tempdir, 'gI3'); 1301 } 1302 1303 } 1304 1305 ?>
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| Généré le : Mon Nov 26 21:04:15 2007 | par Balluche grâce à PHPXref 0.7 |
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