-
Notifications
You must be signed in to change notification settings - Fork 246
/
getid3.php
1803 lines (1519 loc) · 62.5 KB
/
getid3.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
<?php
/////////////////////////////////////////////////////////////////
/// getID3() by James Heinrich <info@getid3.org> //
// available at http://getid3.sourceforge.net //
// or http://www.getid3.org //
// also https://github.com/JamesHeinrich/getID3 //
/////////////////////////////////////////////////////////////////
// //
// Please see readme.txt for more information //
// ///
/////////////////////////////////////////////////////////////////
// define a constant rather than looking up every time it is needed
if (!defined('GETID3_OS_ISWINDOWS')) {
define('GETID3_OS_ISWINDOWS', (stripos(PHP_OS, 'WIN') === 0));
}
// Get base path of getID3() - ONCE
if (!defined('GETID3_INCLUDEPATH')) {
define('GETID3_INCLUDEPATH', dirname(__FILE__).DIRECTORY_SEPARATOR);
}
// Workaround Bug #39923 (https://bugs.php.net/bug.php?id=39923)
if (!defined('IMG_JPG') && defined('IMAGETYPE_JPEG')) {
define('IMG_JPG', IMAGETYPE_JPEG);
}
// attempt to define temp dir as something flexible but reliable
$temp_dir = ini_get('upload_tmp_dir');
if ($temp_dir && (!is_dir($temp_dir) || !is_readable($temp_dir))) {
$temp_dir = '';
}
if (!$temp_dir && function_exists('sys_get_temp_dir')) { // sys_get_temp_dir added in PHP v5.2.1
// sys_get_temp_dir() may give inaccessible temp dir, e.g. with open_basedir on virtual hosts
$temp_dir = sys_get_temp_dir();
}
$temp_dir = @realpath($temp_dir); // see https://github.com/JamesHeinrich/getID3/pull/10
$open_basedir = ini_get('open_basedir');
if ($open_basedir) {
// e.g. "/var/www/vhosts/getid3.org/httpdocs/:/tmp/"
$temp_dir = str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $temp_dir);
$open_basedir = str_replace(array('/', '\\'), DIRECTORY_SEPARATOR, $open_basedir);
if (substr($temp_dir, -1, 1) != DIRECTORY_SEPARATOR) {
$temp_dir .= DIRECTORY_SEPARATOR;
}
$found_valid_tempdir = false;
$open_basedirs = explode(PATH_SEPARATOR, $open_basedir);
foreach ($open_basedirs as $basedir) {
if (substr($basedir, -1, 1) != DIRECTORY_SEPARATOR) {
$basedir .= DIRECTORY_SEPARATOR;
}
if (preg_match('#^'.preg_quote($basedir).'#', $temp_dir)) {
$found_valid_tempdir = true;
break;
}
}
if (!$found_valid_tempdir) {
$temp_dir = '';
}
unset($open_basedirs, $found_valid_tempdir, $basedir);
}
if (!$temp_dir) {
$temp_dir = '*'; // invalid directory name should force tempnam() to use system default temp dir
}
// $temp_dir = '/something/else/'; // feel free to override temp dir here if it works better for your system
if (!defined('GETID3_TEMP_DIR')) {
define('GETID3_TEMP_DIR', $temp_dir);
}
unset($open_basedir, $temp_dir);
// End: Defines
class getID3
{
// public: Settings
public $encoding = 'UTF-8'; // CASE SENSITIVE! - i.e. (must be supported by iconv()). Examples: ISO-8859-1 UTF-8 UTF-16 UTF-16BE
public $encoding_id3v1 = 'ISO-8859-1'; // Should always be 'ISO-8859-1', but some tags may be written in other encodings such as 'EUC-CN' or 'CP1252'
// public: Optional tag checks - disable for speed.
public $option_tag_id3v1 = true; // Read and process ID3v1 tags
public $option_tag_id3v2 = true; // Read and process ID3v2 tags
public $option_tag_lyrics3 = true; // Read and process Lyrics3 tags
public $option_tag_apetag = true; // Read and process APE tags
public $option_tags_process = true; // Copy tags to root key 'tags' and encode to $this->encoding
public $option_tags_html = true; // Copy tags to root key 'tags_html' properly translated from various encodings to HTML entities
// public: Optional tag/comment calucations
public $option_extra_info = true; // Calculate additional info such as bitrate, channelmode etc
// public: Optional handling of embedded attachments (e.g. images)
public $option_save_attachments = true; // defaults to true (ATTACHMENTS_INLINE) for backward compatibility
// public: Optional calculations
public $option_md5_data = false; // Get MD5 sum of data part - slow
public $option_md5_data_source = false; // Use MD5 of source file if availble - only FLAC and OptimFROG
public $option_sha1_data = false; // Get SHA1 sum of data part - slow
public $option_max_2gb_check = null; // Check whether file is larger than 2GB and thus not supported by 32-bit PHP (null: auto-detect based on PHP_INT_MAX)
// public: Read buffer size in bytes
public $option_fread_buffer_size = 32768;
// Public variables
public $filename; // Filename of file being analysed.
public $fp; // Filepointer to file being analysed.
public $info; // Result array.
public $tempdir = GETID3_TEMP_DIR;
public $memory_limit = 0;
// Protected variables
protected $startup_error = '';
protected $startup_warning = '';
const VERSION = '1.9.9-20150318';
const FREAD_BUFFER_SIZE = 32768;
const ATTACHMENTS_NONE = false;
const ATTACHMENTS_INLINE = true;
// public: constructor
public function __construct() {
// Check for PHP version
$required_php_version = '5.3.0';
if (version_compare(PHP_VERSION, $required_php_version, '<')) {
$this->startup_error .= 'getID3() requires PHP v'.$required_php_version.' or higher - you are running v'.PHP_VERSION;
return false;
}
// Check memory
$this->memory_limit = ini_get('memory_limit');
if (preg_match('#([0-9]+)M#i', $this->memory_limit, $matches)) {
// could be stored as "16M" rather than 16777216 for example
$this->memory_limit = $matches[1] * 1048576;
} elseif (preg_match('#([0-9]+)G#i', $this->memory_limit, $matches)) { // The 'G' modifier is available since PHP 5.1.0
// could be stored as "2G" rather than 2147483648 for example
$this->memory_limit = $matches[1] * 1073741824;
}
if ($this->memory_limit <= 0) {
// memory limits probably disabled
} elseif ($this->memory_limit <= 4194304) {
$this->startup_error .= 'PHP has less than 4MB available memory and will very likely run out. Increase memory_limit in php.ini';
} elseif ($this->memory_limit <= 12582912) {
$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';
}
// Check safe_mode off
if (preg_match('#(1|ON)#i', ini_get('safe_mode'))) {
$this->warning('WARNING: Safe mode is on, shorten support disabled, md5data/sha1data for ogg vorbis disabled, ogg vorbos/flac tag writing disabled.');
}
if (intval(ini_get('mbstring.func_overload')) > 0) {
$this->warning('WARNING: php.ini contains "mbstring.func_overload = '.ini_get('mbstring.func_overload').'", this may break things.');
}
// Check for magic_quotes_runtime
if (function_exists('get_magic_quotes_runtime')) {
if (get_magic_quotes_runtime()) {
return $this->startup_error('magic_quotes_runtime must be disabled before running getID3(). Surround getid3 block by set_magic_quotes_runtime(0) and set_magic_quotes_runtime(1).');
}
}
// Check for magic_quotes_gpc
if (function_exists('magic_quotes_gpc')) {
if (get_magic_quotes_gpc()) {
return $this->startup_error('magic_quotes_gpc must be disabled before running getID3(). Surround getid3 block by set_magic_quotes_gpc(0) and set_magic_quotes_gpc(1).');
}
}
// Load support library
if (!include_once(GETID3_INCLUDEPATH.'getid3.lib.php')) {
$this->startup_error .= 'getid3.lib.php is missing or corrupt';
}
if ($this->option_max_2gb_check === null) {
$this->option_max_2gb_check = (PHP_INT_MAX <= 2147483647);
}
// Needed for Windows only:
// Define locations of helper applications for Shorten, VorbisComment, MetaFLAC
// as well as other helper functions such as head, tail, md5sum, etc
// This path cannot contain spaces, but the below code will attempt to get the
// 8.3-equivalent path automatically
// IMPORTANT: This path must include the trailing slash
if (GETID3_OS_ISWINDOWS && !defined('GETID3_HELPERAPPSDIR')) {
$helperappsdir = GETID3_INCLUDEPATH.'..'.DIRECTORY_SEPARATOR.'helperapps'; // must not have any space in this path
if (!is_dir($helperappsdir)) {
$this->startup_warning .= '"'.$helperappsdir.'" cannot be defined as GETID3_HELPERAPPSDIR because it does not exist';
} elseif (strpos(realpath($helperappsdir), ' ') !== false) {
$DirPieces = explode(DIRECTORY_SEPARATOR, realpath($helperappsdir));
$path_so_far = array();
foreach ($DirPieces as $key => $value) {
if (strpos($value, ' ') !== false) {
if (!empty($path_so_far)) {
$commandline = 'dir /x '.escapeshellarg(implode(DIRECTORY_SEPARATOR, $path_so_far));
$dir_listing = `$commandline`;
$lines = explode("\n", $dir_listing);
foreach ($lines as $line) {
$line = trim($line);
if (preg_match('#^([0-9/]{10}) +([0-9:]{4,5}( [AP]M)?) +(<DIR>|[0-9,]+) +([^ ]{0,11}) +(.+)$#', $line, $matches)) {
list($dummy, $date, $time, $ampm, $filesize, $shortname, $filename) = $matches;
if ((strtoupper($filesize) == '<DIR>') && (strtolower($filename) == strtolower($value))) {
$value = $shortname;
}
}
}
} else {
$this->startup_warning .= 'GETID3_HELPERAPPSDIR must not have any spaces in it - use 8dot3 naming convention if neccesary. You can run "dir /x" from the commandline to see the correct 8.3-style names.';
}
}
$path_so_far[] = $value;
}
$helperappsdir = implode(DIRECTORY_SEPARATOR, $path_so_far);
}
define('GETID3_HELPERAPPSDIR', $helperappsdir.DIRECTORY_SEPARATOR);
}
return true;
}
public function version() {
return self::VERSION;
}
public function fread_buffer_size() {
return $this->option_fread_buffer_size;
}
// public: setOption
public function setOption($optArray) {
if (!is_array($optArray) || empty($optArray)) {
return false;
}
foreach ($optArray as $opt => $val) {
if (isset($this->$opt) === false) {
continue;
}
$this->$opt = $val;
}
return true;
}
public function openfile($filename, $filesize=null) {
try {
if (!empty($this->startup_error)) {
throw new getid3_exception($this->startup_error);
}
if (!empty($this->startup_warning)) {
$this->warning($this->startup_warning);
}
// init result array and set parameters
$this->filename = $filename;
$this->info = array();
$this->info['GETID3_VERSION'] = $this->version();
$this->info['php_memory_limit'] = (($this->memory_limit > 0) ? $this->memory_limit : false);
// remote files not supported
if (preg_match('/^(ht|f)tp:\/\//', $filename)) {
throw new getid3_exception('Remote files are not supported - please copy the file locally first');
}
$filename = str_replace('/', DIRECTORY_SEPARATOR, $filename);
$filename = preg_replace('#(.+)'.preg_quote(DIRECTORY_SEPARATOR).'{2,}#U', '\1'.DIRECTORY_SEPARATOR, $filename);
// open local file
//if (is_readable($filename) && is_file($filename) && ($this->fp = fopen($filename, 'rb'))) { // see http://www.getid3.org/phpBB3/viewtopic.php?t=1720
if ((is_readable($filename) || file_exists($filename)) && is_file($filename) && ($this->fp = fopen($filename, 'rb'))) {
// great
} else {
$errormessagelist = array();
if (!is_readable($filename)) {
$errormessagelist[] = '!is_readable';
}
if (!is_file($filename)) {
$errormessagelist[] = '!is_file';
}
if (!file_exists($filename)) {
$errormessagelist[] = '!file_exists';
}
if (empty($errormessagelist)) {
$errormessagelist[] = 'fopen failed';
}
throw new getid3_exception('Could not open "'.$filename.'" ('.implode('; ', $errormessagelist).')');
}
$this->info['filesize'] = (!is_null($filesize) ? $filesize : filesize($filename));
// set redundant parameters - might be needed in some include file
// filenames / filepaths in getID3 are always expressed with forward slashes (unix-style) for both Windows and other to try and minimize confusion
$filename = str_replace('\\', '/', $filename);
$this->info['filepath'] = str_replace('\\', '/', realpath(dirname($filename)));
$this->info['filename'] = getid3_lib::mb_basename($filename);
$this->info['filenamepath'] = $this->info['filepath'].'/'.$this->info['filename'];
// option_max_2gb_check
if ($this->option_max_2gb_check) {
// PHP (32-bit all, and 64-bit Windows) doesn't support integers larger than 2^31 (~2GB)
// filesize() simply returns (filesize % (pow(2, 32)), no matter the actual filesize
// ftell() returns 0 if seeking to the end is beyond the range of unsigned integer
$fseek = fseek($this->fp, 0, SEEK_END);
if (($fseek < 0) || (($this->info['filesize'] != 0) && (ftell($this->fp) == 0)) ||
($this->info['filesize'] < 0) ||
(ftell($this->fp) < 0)) {
$real_filesize = getid3_lib::getFileSizeSyscall($this->info['filenamepath']);
if ($real_filesize === false) {
unset($this->info['filesize']);
fclose($this->fp);
throw new getid3_exception('Unable to determine actual filesize. File is most likely larger than '.round(PHP_INT_MAX / 1073741824).'GB and is not supported by PHP.');
} elseif (getid3_lib::intValueSupported($real_filesize)) {
unset($this->info['filesize']);
fclose($this->fp);
throw new getid3_exception('PHP seems to think the file is larger than '.round(PHP_INT_MAX / 1073741824).'GB, but filesystem reports it as '.number_format($real_filesize, 3).'GB, please report to info@getid3.org');
}
$this->info['filesize'] = $real_filesize;
$this->warning('File is larger than '.round(PHP_INT_MAX / 1073741824).'GB (filesystem reports it as '.number_format($real_filesize, 3).'GB) and is not properly supported by PHP.');
}
}
// set more parameters
$this->info['avdataoffset'] = 0;
$this->info['avdataend'] = $this->info['filesize'];
$this->info['fileformat'] = ''; // filled in later
$this->info['audio']['dataformat'] = ''; // filled in later, unset if not used
$this->info['video']['dataformat'] = ''; // filled in later, unset if not used
$this->info['tags'] = array(); // filled in later, unset if not used
$this->info['error'] = array(); // filled in later, unset if not used
$this->info['warning'] = array(); // filled in later, unset if not used
$this->info['comments'] = array(); // filled in later, unset if not used
$this->info['encoding'] = $this->encoding; // required by id3v2 and iso modules - can be unset at the end if desired
return true;
} catch (Exception $e) {
$this->error($e->getMessage());
}
return false;
}
// public: analyze file
public function analyze($filename, $filesize=null, $original_filename='') {
try {
if (!$this->openfile($filename, $filesize)) {
return $this->info;
}
// Handle tags
foreach (array('id3v2'=>'id3v2', 'id3v1'=>'id3v1', 'apetag'=>'ape', 'lyrics3'=>'lyrics3') as $tag_name => $tag_key) {
$option_tag = 'option_tag_'.$tag_name;
if ($this->$option_tag) {
$this->include_module('tag.'.$tag_name);
try {
$tag_class = 'getid3_'.$tag_name;
$tag = new $tag_class($this);
$tag->Analyze();
}
catch (getid3_exception $e) {
throw $e;
}
}
}
if (isset($this->info['id3v2']['tag_offset_start'])) {
$this->info['avdataoffset'] = max($this->info['avdataoffset'], $this->info['id3v2']['tag_offset_end']);
}
foreach (array('id3v1'=>'id3v1', 'apetag'=>'ape', 'lyrics3'=>'lyrics3') as $tag_name => $tag_key) {
if (isset($this->info[$tag_key]['tag_offset_start'])) {
$this->info['avdataend'] = min($this->info['avdataend'], $this->info[$tag_key]['tag_offset_start']);
}
}
// ID3v2 detection (NOT parsing), even if ($this->option_tag_id3v2 == false) done to make fileformat easier
if (!$this->option_tag_id3v2) {
fseek($this->fp, 0);
$header = fread($this->fp, 10);
if ((substr($header, 0, 3) == 'ID3') && (strlen($header) == 10)) {
$this->info['id3v2']['header'] = true;
$this->info['id3v2']['majorversion'] = ord($header{3});
$this->info['id3v2']['minorversion'] = ord($header{4});
$this->info['avdataoffset'] += getid3_lib::BigEndian2Int(substr($header, 6, 4), 1) + 10; // length of ID3v2 tag in 10-byte header doesn't include 10-byte header length
}
}
// read 32 kb file data
fseek($this->fp, $this->info['avdataoffset']);
$formattest = fread($this->fp, 32774);
// determine format
$determined_format = $this->GetFileFormat($formattest, ($original_filename ? $original_filename : $filename));
// unable to determine file format
if (!$determined_format) {
fclose($this->fp);
return $this->error('unable to determine file format');
}
// check for illegal ID3 tags
if (isset($determined_format['fail_id3']) && (in_array('id3v1', $this->info['tags']) || in_array('id3v2', $this->info['tags']))) {
if ($determined_format['fail_id3'] === 'ERROR') {
fclose($this->fp);
return $this->error('ID3 tags not allowed on this file type.');
} elseif ($determined_format['fail_id3'] === 'WARNING') {
$this->warning('ID3 tags not allowed on this file type.');
}
}
// check for illegal APE tags
if (isset($determined_format['fail_ape']) && in_array('ape', $this->info['tags'])) {
if ($determined_format['fail_ape'] === 'ERROR') {
fclose($this->fp);
return $this->error('APE tags not allowed on this file type.');
} elseif ($determined_format['fail_ape'] === 'WARNING') {
$this->warning('APE tags not allowed on this file type.');
}
}
// set mime type
$this->info['mime_type'] = $determined_format['mime_type'];
// supported format signature pattern detected, but module deleted
if (!file_exists(GETID3_INCLUDEPATH.$determined_format['include'])) {
fclose($this->fp);
return $this->error('Format not supported, module "'.$determined_format['include'].'" was removed.');
}
// module requires iconv support
// Check encoding/iconv support
if (!empty($determined_format['iconv_req']) && !function_exists('iconv') && !in_array($this->encoding, array('ISO-8859-1', 'UTF-8', 'UTF-16LE', 'UTF-16BE', 'UTF-16'))) {
$errormessage = 'iconv() support is required for this module ('.$determined_format['include'].') for encodings other than ISO-8859-1, UTF-8, UTF-16LE, UTF16-BE, UTF-16. ';
if (GETID3_OS_ISWINDOWS) {
$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';
} else {
$errormessage .= 'PHP is not compiled with iconv() support. Please recompile with the --with-iconv switch';
}
return $this->error($errormessage);
}
// include module
include_once(GETID3_INCLUDEPATH.$determined_format['include']);
// instantiate module class
$class_name = 'getid3_'.$determined_format['module'];
if (!class_exists($class_name)) {
return $this->error('Format not supported, module "'.$determined_format['include'].'" is corrupt.');
}
$class = new $class_name($this);
$class->Analyze();
unset($class);
// close file
fclose($this->fp);
// process all tags - copy to 'tags' and convert charsets
if ($this->option_tags_process) {
$this->HandleAllTags();
}
// perform more calculations
if ($this->option_extra_info) {
$this->ChannelsBitratePlaytimeCalculations();
$this->CalculateCompressionRatioVideo();
$this->CalculateCompressionRatioAudio();
$this->CalculateReplayGain();
$this->ProcessAudioStreams();
}
// get the MD5 sum of the audio/video portion of the file - without ID3/APE/Lyrics3/etc header/footer tags
if ($this->option_md5_data) {
// do not calc md5_data if md5_data_source is present - set by flac only - future MPC/SV8 too
if (!$this->option_md5_data_source || empty($this->info['md5_data_source'])) {
$this->getHashdata('md5');
}
}
// get the SHA1 sum of the audio/video portion of the file - without ID3/APE/Lyrics3/etc header/footer tags
if ($this->option_sha1_data) {
$this->getHashdata('sha1');
}
// remove undesired keys
$this->CleanUp();
} catch (Exception $e) {
$this->error('Caught exception: '.$e->getMessage());
}
// return info array
return $this->info;
}
// private: error handling
public function error($message) {
$this->CleanUp();
if (!isset($this->info['error'])) {
$this->info['error'] = array();
}
$this->info['error'][] = $message;
return $this->info;
}
// private: warning handling
public function warning($message) {
$this->info['warning'][] = $message;
return true;
}
// private: CleanUp
private function CleanUp() {
// remove possible empty keys
$AVpossibleEmptyKeys = array('dataformat', 'bits_per_sample', 'encoder_options', 'streams', 'bitrate');
foreach ($AVpossibleEmptyKeys as $dummy => $key) {
if (empty($this->info['audio'][$key]) && isset($this->info['audio'][$key])) {
unset($this->info['audio'][$key]);
}
if (empty($this->info['video'][$key]) && isset($this->info['video'][$key])) {
unset($this->info['video'][$key]);
}
}
// remove empty root keys
if (!empty($this->info)) {
foreach ($this->info as $key => $value) {
if (empty($this->info[$key]) && ($this->info[$key] !== 0) && ($this->info[$key] !== '0')) {
unset($this->info[$key]);
}
}
}
// remove meaningless entries from unknown-format files
if (empty($this->info['fileformat'])) {
if (isset($this->info['avdataoffset'])) {
unset($this->info['avdataoffset']);
}
if (isset($this->info['avdataend'])) {
unset($this->info['avdataend']);
}
}
// remove possible duplicated identical entries
if (!empty($this->info['error'])) {
$this->info['error'] = array_values(array_unique($this->info['error']));
}
if (!empty($this->info['warning'])) {
$this->info['warning'] = array_values(array_unique($this->info['warning']));
}
// remove "global variable" type keys
unset($this->info['php_memory_limit']);
return true;
}
// return array containing information about all supported formats
public function GetFileFormatArray() {
static $format_info = array();
if (empty($format_info)) {
$format_info = array(
// Audio formats
// AC-3 - audio - Dolby AC-3 / Dolby Digital
'ac3' => array(
'pattern' => '^\x0B\x77',
'group' => 'audio',
'module' => 'ac3',
'mime_type' => 'audio/ac3',
),
// AAC - audio - Advanced Audio Coding (AAC) - ADIF format
'adif' => array(
'pattern' => '^ADIF',
'group' => 'audio',
'module' => 'aac',
'mime_type' => 'application/octet-stream',
'fail_ape' => 'WARNING',
),
/*
// AA - audio - Audible Audiobook
'aa' => array(
'pattern' => '^.{4}\x57\x90\x75\x36',
'group' => 'audio',
'module' => 'aa',
'mime_type' => 'audio/audible',
),
*/
// AAC - audio - Advanced Audio Coding (AAC) - ADTS format (very similar to MP3)
'adts' => array(
'pattern' => '^\xFF[\xF0-\xF1\xF8-\xF9]',
'group' => 'audio',
'module' => 'aac',
'mime_type' => 'application/octet-stream',
'fail_ape' => 'WARNING',
),
// AU - audio - NeXT/Sun AUdio (AU)
'au' => array(
'pattern' => '^\.snd',
'group' => 'audio',
'module' => 'au',
'mime_type' => 'audio/basic',
),
// AMR - audio - Adaptive Multi Rate
'amr' => array(
'pattern' => '^\x23\x21AMR\x0A', // #!AMR[0A]
'group' => 'audio',
'module' => 'amr',
'mime_type' => 'audio/amr',
),
// AVR - audio - Audio Visual Research
'avr' => array(
'pattern' => '^2BIT',
'group' => 'audio',
'module' => 'avr',
'mime_type' => 'application/octet-stream',
),
// BONK - audio - Bonk v0.9+
'bonk' => array(
'pattern' => '^\x00(BONK|INFO|META| ID3)',
'group' => 'audio',
'module' => 'bonk',
'mime_type' => 'audio/xmms-bonk',
),
// DSS - audio - Digital Speech Standard
'dss' => array(
'pattern' => '^[\x02-\x03]ds[s2]',
'group' => 'audio',
'module' => 'dss',
'mime_type' => 'application/octet-stream',
),
// DTS - audio - Dolby Theatre System
'dts' => array(
'pattern' => '^\x7F\xFE\x80\x01',
'group' => 'audio',
'module' => 'dts',
'mime_type' => 'audio/dts',
),
// FLAC - audio - Free Lossless Audio Codec
'flac' => array(
'pattern' => '^fLaC',
'group' => 'audio',
'module' => 'flac',
'mime_type' => 'audio/x-flac',
),
// LA - audio - Lossless Audio (LA)
'la' => array(
'pattern' => '^LA0[2-4]',
'group' => 'audio',
'module' => 'la',
'mime_type' => 'application/octet-stream',
),
// LPAC - audio - Lossless Predictive Audio Compression (LPAC)
'lpac' => array(
'pattern' => '^LPAC',
'group' => 'audio',
'module' => 'lpac',
'mime_type' => 'application/octet-stream',
),
// MIDI - audio - MIDI (Musical Instrument Digital Interface)
'midi' => array(
'pattern' => '^MThd',
'group' => 'audio',
'module' => 'midi',
'mime_type' => 'audio/midi',
),
// MAC - audio - Monkey's Audio Compressor
'mac' => array(
'pattern' => '^MAC ',
'group' => 'audio',
'module' => 'monkey',
'mime_type' => 'application/octet-stream',
),
// has been known to produce false matches in random files (e.g. JPEGs), leave out until more precise matching available
// // MOD - audio - MODule (assorted sub-formats)
// 'mod' => array(
// 'pattern' => '^.{1080}(M\\.K\\.|M!K!|FLT4|FLT8|[5-9]CHN|[1-3][0-9]CH)',
// 'group' => 'audio',
// 'module' => 'mod',
// 'option' => 'mod',
// 'mime_type' => 'audio/mod',
// ),
// MOD - audio - MODule (Impulse Tracker)
'it' => array(
'pattern' => '^IMPM',
'group' => 'audio',
'module' => 'mod',
//'option' => 'it',
'mime_type' => 'audio/it',
),
// MOD - audio - MODule (eXtended Module, various sub-formats)
'xm' => array(
'pattern' => '^Extended Module',
'group' => 'audio',
'module' => 'mod',
//'option' => 'xm',
'mime_type' => 'audio/xm',
),
// MOD - audio - MODule (ScreamTracker)
's3m' => array(
'pattern' => '^.{44}SCRM',
'group' => 'audio',
'module' => 'mod',
//'option' => 's3m',
'mime_type' => 'audio/s3m',
),
// MPC - audio - Musepack / MPEGplus
'mpc' => array(
'pattern' => '^(MPCK|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])',
'group' => 'audio',
'module' => 'mpc',
'mime_type' => 'audio/x-musepack',
),
// MP3 - audio - MPEG-audio Layer 3 (very similar to AAC-ADTS)
'mp3' => array(
'pattern' => '^\xFF[\xE2-\xE7\xF2-\xF7\xFA-\xFF][\x00-\x0B\x10-\x1B\x20-\x2B\x30-\x3B\x40-\x4B\x50-\x5B\x60-\x6B\x70-\x7B\x80-\x8B\x90-\x9B\xA0-\xAB\xB0-\xBB\xC0-\xCB\xD0-\xDB\xE0-\xEB\xF0-\xFB]',
'group' => 'audio',
'module' => 'mp3',
'mime_type' => 'audio/mpeg',
),
// OFR - audio - OptimFROG
'ofr' => array(
'pattern' => '^(\*RIFF|OFR)',
'group' => 'audio',
'module' => 'optimfrog',
'mime_type' => 'application/octet-stream',
),
// RKAU - audio - RKive AUdio compressor
'rkau' => array(
'pattern' => '^RKA',
'group' => 'audio',
'module' => 'rkau',
'mime_type' => 'application/octet-stream',
),
// SHN - audio - Shorten
'shn' => array(
'pattern' => '^ajkg',
'group' => 'audio',
'module' => 'shorten',
'mime_type' => 'audio/xmms-shn',
'fail_id3' => 'ERROR',
'fail_ape' => 'ERROR',
),
// TTA - audio - TTA Lossless Audio Compressor (http://tta.corecodec.org)
'tta' => array(
'pattern' => '^TTA', // could also be '^TTA(\x01|\x02|\x03|2|1)'
'group' => 'audio',
'module' => 'tta',
'mime_type' => 'application/octet-stream',
),
// VOC - audio - Creative Voice (VOC)
'voc' => array(
'pattern' => '^Creative Voice File',
'group' => 'audio',
'module' => 'voc',
'mime_type' => 'audio/voc',
),
// VQF - audio - transform-domain weighted interleave Vector Quantization Format (VQF)
'vqf' => array(
'pattern' => '^TWIN',
'group' => 'audio',
'module' => 'vqf',
'mime_type' => 'application/octet-stream',
),
// WV - audio - WavPack (v4.0+)
'wv' => array(
'pattern' => '^wvpk',
'group' => 'audio',
'module' => 'wavpack',
'mime_type' => 'application/octet-stream',
),
// Audio-Video formats
// ASF - audio/video - Advanced Streaming Format, Windows Media Video, Windows Media Audio
'asf' => array(
'pattern' => '^\x30\x26\xB2\x75\x8E\x66\xCF\x11\xA6\xD9\x00\xAA\x00\x62\xCE\x6C',
'group' => 'audio-video',
'module' => 'asf',
'mime_type' => 'video/x-ms-asf',
'iconv_req' => false,
),
// BINK - audio/video - Bink / Smacker
'bink' => array(
'pattern' => '^(BIK|SMK)',
'group' => 'audio-video',
'module' => 'bink',
'mime_type' => 'application/octet-stream',
),
// FLV - audio/video - FLash Video
'flv' => array(
'pattern' => '^FLV\x01',
'group' => 'audio-video',
'module' => 'flv',
'mime_type' => 'video/x-flv',
),
// MKAV - audio/video - Mastroka
'matroska' => array(
'pattern' => '^\x1A\x45\xDF\xA3',
'group' => 'audio-video',
'module' => 'matroska',
'mime_type' => 'video/x-matroska', // may also be audio/x-matroska
),
// MPEG - audio/video - MPEG (Moving Pictures Experts Group)
'mpeg' => array(
'pattern' => '^\x00\x00\x01(\xBA|\xB3)',
'group' => 'audio-video',
'module' => 'mpeg',
'mime_type' => 'video/mpeg',
),
// NSV - audio/video - Nullsoft Streaming Video (NSV)
'nsv' => array(
'pattern' => '^NSV[sf]',
'group' => 'audio-video',
'module' => 'nsv',
'mime_type' => 'application/octet-stream',
),
// Ogg - audio/video - Ogg (Ogg-Vorbis, Ogg-FLAC, Speex, Ogg-Theora(*), Ogg-Tarkin(*))
'ogg' => array(
'pattern' => '^OggS',
'group' => 'audio',
'module' => 'ogg',
'mime_type' => 'application/ogg',
'fail_id3' => 'WARNING',
'fail_ape' => 'WARNING',
),
// QT - audio/video - Quicktime
'quicktime' => array(
'pattern' => '^.{4}(cmov|free|ftyp|mdat|moov|pnot|skip|wide)',
'group' => 'audio-video',
'module' => 'quicktime',
'mime_type' => 'video/quicktime',
),
// 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)
'riff' => array(
'pattern' => '^(RIFF|SDSS|FORM)',
'group' => 'audio-video',
'module' => 'riff',
'mime_type' => 'audio/x-wave',
'fail_ape' => 'WARNING',
),
// Real - audio/video - RealAudio, RealVideo
'real' => array(
'pattern' => '^(\\.RMF|\\.ra)',
'group' => 'audio-video',
'module' => 'real',
'mime_type' => 'audio/x-realaudio',
),
// SWF - audio/video - ShockWave Flash
'swf' => array(
'pattern' => '^(F|C)WS',
'group' => 'audio-video',
'module' => 'swf',
'mime_type' => 'application/x-shockwave-flash',
),
// TS - audio/video - MPEG-2 Transport Stream
'ts' => array(
'pattern' => '^(\x47.{187}){10,}', // packets are 188 bytes long and start with 0x47 "G". Check for at least 10 packets matching this pattern
'group' => 'audio-video',
'module' => 'ts',
'mime_type' => 'video/MP2T',
),
// Still-Image formats
// BMP - still image - Bitmap (Windows, OS/2; uncompressed, RLE8, RLE4)
'bmp' => array(
'pattern' => '^BM',
'group' => 'graphic',
'module' => 'bmp',
'mime_type' => 'image/bmp',
'fail_id3' => 'ERROR',
'fail_ape' => 'ERROR',
),
// GIF - still image - Graphics Interchange Format
'gif' => array(
'pattern' => '^GIF',
'group' => 'graphic',
'module' => 'gif',
'mime_type' => 'image/gif',
'fail_id3' => 'ERROR',
'fail_ape' => 'ERROR',
),
// JPEG - still image - Joint Photographic Experts Group (JPEG)
'jpg' => array(
'pattern' => '^\xFF\xD8\xFF',
'group' => 'graphic',
'module' => 'jpg',
'mime_type' => 'image/jpeg',
'fail_id3' => 'ERROR',
'fail_ape' => 'ERROR',
),
// PCD - still image - Kodak Photo CD
'pcd' => array(
'pattern' => '^.{2048}PCD_IPI\x00',
'group' => 'graphic',
'module' => 'pcd',
'mime_type' => 'image/x-photo-cd',
'fail_id3' => 'ERROR',
'fail_ape' => 'ERROR',
),
// PNG - still image - Portable Network Graphics (PNG)
'png' => array(
'pattern' => '^\x89\x50\x4E\x47\x0D\x0A\x1A\x0A',
'group' => 'graphic',
'module' => 'png',
'mime_type' => 'image/png',
'fail_id3' => 'ERROR',
'fail_ape' => 'ERROR',
),
// SVG - still image - Scalable Vector Graphics (SVG)
'svg' => array(
'pattern' => '(<!DOCTYPE svg PUBLIC |xmlns="http:\/\/www\.w3\.org\/2000\/svg")',
'group' => 'graphic',
'module' => 'svg',
'mime_type' => 'image/svg+xml',
'fail_id3' => 'ERROR',
'fail_ape' => 'ERROR',
),
// TIFF - still image - Tagged Information File Format (TIFF)
'tiff' => array(
'pattern' => '^(II\x2A\x00|MM\x00\x2A)',
'group' => 'graphic',
'module' => 'tiff',
'mime_type' => 'image/tiff',
'fail_id3' => 'ERROR',
'fail_ape' => 'ERROR',
),
// EFAX - still image - eFax (TIFF derivative)
'efax' => array(
'pattern' => '^\xDC\xFE',
'group' => 'graphic',
'module' => 'efax',
'mime_type' => 'image/efax',
'fail_id3' => 'ERROR',
'fail_ape' => 'ERROR',
),
// Data formats
// ISO - data - International Standards Organization (ISO) CD-ROM Image
'iso' => array(
'pattern' => '^.{32769}CD001',
'group' => 'misc',