ILIAS  release_5-1 Revision 5.0.0-5477-g43f3e3fab5f
getid3.php
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1<?php
4// available at http://getid3.sourceforge.net //
5// or http://www.getid3.org //
7// //
8// Please see readme.txt for more information //
9// ///
11
12// Defines
13define('GETID3_VERSION', '1.7.7');
14define('GETID3_FREAD_BUFFER_SIZE', 16384); // read buffer size in bytes
15
16
17
18class 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('&#0;', '', 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?>
$file
print $file
Definition: HFile_ueconv.php:128
getID3\$option_tags_process
$option_tags_process
Definition: getid3.php:33
getID3\$filename
$filename
Definition: getid3.php:46
getID3\setOption
setOption($optArray)
Definition: getid3.php:153
getID3\$option_max_2gb_check
$option_max_2gb_check
Definition: getid3.php:43
getID3\CalculateCompressionRatioVideo
CalculateCompressionRatioVideo()
Definition: getid3.php:1201
getID3\$option_tag_apetag
$option_tag_apetag
Definition: getid3.php:32
getID3\getID3
getID3()
Definition: getid3.php:50
getID3\getHashdata
getHashdata($algorithm)
Definition: getid3.php:1043
getID3\$option_md5_data
$option_md5_data
Definition: getid3.php:40
getID3\$option_sha1_data
$option_sha1_data
Definition: getid3.php:42
getID3\getid3_tempnam
getid3_tempnam()
Definition: getid3.php:1299
getID3\GetFileFormatArray
GetFileFormatArray()
Definition: getid3.php:453
getID3\error
error($message)
Definition: getid3.php:401
getID3\ProcessAudioStreams
ProcessAudioStreams()
Definition: getid3.php:1286
getID3\$option_extra_info
$option_extra_info
Definition: getid3.php:37
getID3\$memory_limit
$memory_limit
Definition: getid3.php:106
getID3\CalculateCompressionRatioAudio
CalculateCompressionRatioAudio()
Definition: getid3.php:1249
getID3\HandleAllTags
HandleAllTags()
Definition: getid3.php:973
getID3\CharConvert
CharConvert(&$array, $encoding)
Definition: getid3.php:950
getID3\$encoding_id3v1
$encoding_id3v1
Definition: getid3.php:24
getID3\$tempdir
$tempdir
Definition: getid3.php:26
getID3\$option_tag_id3v1
$option_tag_id3v1
Definition: getid3.php:29
getID3\warning
warning($message)
Definition: getid3.php:411
getID3\CleanUp
CleanUp()
Definition: getid3.php:418
getID3\$option_tag_id3v2
$option_tag_id3v2
Definition: getid3.php:30
getID3\ChannelsBitratePlaytimeCalculations
ChannelsBitratePlaytimeCalculations()
Definition: getid3.php:1168
getID3\$encoding
$encoding
Definition: getid3.php:21
getID3\$option_tags_html
$option_tags_html
Definition: getid3.php:34
getID3\CalculateReplayGain
CalculateReplayGain()
Definition: getid3.php:1266
getID3\$option_tag_lyrics3
$option_tag_lyrics3
Definition: getid3.php:31
getID3\analyze
analyze($filename)
Definition: getid3.php:168
getID3\$option_md5_data_source
$option_md5_data_source
Definition: getid3.php:41
getID3\GetFileFormat
GetFileFormat(&$filedata, $filename='')
Definition: getid3.php:918
getid3_apetag
getID3() by James Heinrich info@getid3.org //
Definition: module.tag.apetag.php:17
getid3_id3v1
getID3() by James Heinrich info@getid3.org //
Definition: module.tag.id3v1.php:18
getid3_id3v2
Definition: module.tag.id3v2.php:19
getid3_lib\RGADamplitude2dB
RGADamplitude2dB($amplitude)
Definition: getid3.lib.php:1165
getid3_lib\IncludeDependency
IncludeDependency($filename, $sourcefile, $DieOnFailure=false)
Definition: getid3.lib.php:1301
getid3_lib\sha1_file
sha1_file($file)
Definition: getid3.lib.php:545
getid3_lib\hash_data
hash_data($file, $offset, $end, $algorithm)
Definition: getid3.lib.php:582
getid3_lib\BigEndian2Int
BigEndian2Int($byteword, $synchsafe=false, $signed=false)
Definition: getid3.lib.php:234
getid3_lib\MultiByteCharString2HTML
MultiByteCharString2HTML($string, $charset='ISO-8859-1')
Definition: getid3.lib.php:1023
getid3_lib\iconv_fallback
iconv_fallback($in_charset, $out_charset, $string)
Definition: getid3.lib.php:951
getid3_lib\PlaytimeString
PlaytimeString($playtimeseconds)
Definition: getid3.lib.php:408
getid3_lib\md5_file
md5_file($file)
Definition: getid3.lib.php:512
getid3_lyrics3
getID3() by James Heinrich info@getid3.org //
Definition: module.tag.lyrics3.php:18
$header
$header
Definition: example_011.php:123
GETID3_VERSION
const GETID3_VERSION
getID3() by James Heinrich info@getid3.org //
Definition: getid3.php:13