m3u8_test.js
41.1 KB
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
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
(function(window, undefined) {
var
Handlebars = this.Handlebars,
//manifestController = this.manifestController,
ParseStream = window.videojs.m3u8.ParseStream,
parseStream,
LineStream = window.videojs.m3u8.LineStream,
lineStream,
Parser = window.videojs.m3u8.Parser,
parser;
module('environment');
test('is sane', function() {
expect(1);
ok(true);
});
/*
Manifest controller
*/
// module('manifest controller', {
// setup: function() {
// manifestController = new window.videojs.hls.ManifestController();
// this.vjsget = window.videojs.get;
// window.videojs.get = function(url, success) {
// success(window.brightcove_playlist_data);
// };
// },
// teardown: function() {
// window.videojs.get = this.vjsget;
// }
// });
// test('should create', function() {
// ok(manifestController);
// });
// test('should return a parsed object', function() {
// parser.push(window.brightcove_playlist_data);
// strictEqual(parser.manifest.playlists.length, 4, 'Has correct rendition count');
// strictEqual(parser.manifest.playlists[0].attributes.BANDWIDTH, 240000, 'First rendition index bandwidth is correct');
// strictEqual(parser.manifest.playlists[0].attributes['PROGRAM-ID'], 1, 'First rendition index program-id is correct');
// strictEqual(parser.manifest.playlists[0].attributes.RESOLUTION.width, 396, 'First rendition index resolution width is correct');
// strictEqual(parser.manifest.playlists[0].attributes.RESOLUTION.height, 224, 'First rendition index resolution height is correct');
// });
// test('should get a manifest from an external URL', function() {
// manifestController.loadManifest('http://example.com/16x9-master.m3u8',
// function(responseData) {
// ok(responseData);
// },
// function() {
// ok(false, 'does not error');
// },
// function() {});
// });
/*
M3U8 Test Suite
*/
module('LineStream', {
setup: function() {
lineStream = new LineStream();
}
});
test('empty inputs produce no tokens', function() {
var data = false;
lineStream.on('data', function() {
data = true;
});
lineStream.push('');
ok(!data, 'no tokens were produced');
});
test('splits on newlines', function() {
var lines = [];
lineStream.on('data', function(line) {
lines.push(line);
});
lineStream.push('#EXTM3U\nmovie.ts\n');
strictEqual(2, lines.length, 'two lines are ready');
strictEqual('#EXTM3U', lines.shift(), 'the first line is the first token');
strictEqual('movie.ts', lines.shift(), 'the second line is the second token');
});
test('empty lines become empty strings', function() {
var lines = [];
lineStream.on('data', function(line) {
lines.push(line);
});
lineStream.push('\n\n');
strictEqual(2, lines.length, 'two lines are ready');
strictEqual('', lines.shift(), 'the first line is empty');
strictEqual('', lines.shift(), 'the second line is empty');
});
test('handles lines broken across appends', function() {
var lines = [];
lineStream.on('data', function(line) {
lines.push(line);
});
lineStream.push('#EXTM');
strictEqual(0, lines.length, 'no lines are ready');
lineStream.push('3U\nmovie.ts\n');
strictEqual(2, lines.length, 'two lines are ready');
strictEqual('#EXTM3U', lines.shift(), 'the first line is the first token');
strictEqual('movie.ts', lines.shift(), 'the second line is the second token');
});
test('stops sending events after deregistering', function() {
var
temporaryLines = [],
temporary = function(line) {
temporaryLines.push(line);
},
permanentLines = [],
permanent = function(line) {
permanentLines.push(line);
};
lineStream.on('data', temporary);
lineStream.on('data', permanent);
lineStream.push('line one\n');
strictEqual(temporaryLines.length, permanentLines.length, 'both callbacks receive the event');
ok(lineStream.off('data', temporary), 'a listener was removed');
lineStream.push('line two\n');
strictEqual(1, temporaryLines.length, 'no new events are received');
strictEqual(2, permanentLines.length, 'new events are still received');
});
module('ParseStream', {
setup: function() {
lineStream = new LineStream();
parseStream = new ParseStream();
lineStream.pipe(parseStream);
}
});
test('parses comment lines', function() {
var
manifest = '# a line that starts with a hash mark without "EXT" is a comment\n',
element;
parseStream.on('data', function(elem) {
element = elem;
});
lineStream.push(manifest);
ok(element, 'an event was triggered');
strictEqual(element.type, 'comment', 'the type is comment');
strictEqual(element.text,
manifest.slice(1, manifest.length - 1),
'the comment text is parsed');
});
test('parses uri lines', function() {
var
manifest = 'any non-blank line that does not start with a hash-mark is a URI\n',
element;
parseStream.on('data', function(elem) {
element = elem;
});
lineStream.push(manifest);
ok(element, 'an event was triggered');
strictEqual(element.type, 'uri', 'the type is uri');
strictEqual(element.uri,
manifest.substring(0, manifest.length - 1),
'the uri text is parsed');
});
test('parses unknown tag types', function() {
var
manifest = '#EXT-X-EXAMPLE-TAG:some,additional,stuff\n',
element;
parseStream.on('data', function(elem) {
element = elem;
});
lineStream.push(manifest);
ok(element, 'an event was triggered');
strictEqual(element.type, 'tag', 'the type is tag');
strictEqual(element.data,
manifest.slice(4, manifest.length - 1),
'unknown tag data is preserved');
});
// #EXTM3U
test('parses #EXTM3U tags', function() {
var
manifest = '#EXTM3U\n',
element;
parseStream.on('data', function(elem) {
element = elem;
});
lineStream.push(manifest);
ok(element, 'an event was triggered');
strictEqual(element.type, 'tag', 'the line type is tag');
strictEqual(element.tagType, 'm3u', 'the tag type is m3u');
});
// #EXTINF
test('parses minimal #EXTINF tags', function() {
var
manifest = '#EXTINF\n',
element;
parseStream.on('data', function(elem) {
element = elem;
});
lineStream.push(manifest);
ok(element, 'an event was triggered');
strictEqual(element.type, 'tag', 'the line type is tag');
strictEqual(element.tagType, 'inf', 'the tag type is inf');
});
test('parses #EXTINF tags with durations', function() {
var
manifest = '#EXTINF:15\n',
element;
parseStream.on('data', function(elem) {
element = elem;
});
lineStream.push(manifest);
ok(element, 'an event was triggered');
strictEqual(element.type, 'tag', 'the line type is tag');
strictEqual(element.tagType, 'inf', 'the tag type is inf');
strictEqual(element.duration, 15, 'the duration is parsed');
ok(!('title' in element), 'no title is parsed');
manifest = '#EXTINF:21,\n';
lineStream.push(manifest);
ok(element, 'an event was triggered');
strictEqual(element.type, 'tag', 'the line type is tag');
strictEqual(element.tagType, 'inf', 'the tag type is inf');
strictEqual(element.duration, 21, 'the duration is parsed');
ok(!('title' in element), 'no title is parsed');
});
test('parses #EXTINF tags with a duration and title', function() {
var
manifest = '#EXTINF:13,Does anyone really use the title attribute?\n',
element;
parseStream.on('data', function(elem) {
element = elem;
});
lineStream.push(manifest);
ok(element, 'an event was triggered');
strictEqual(element.type, 'tag', 'the line type is tag');
strictEqual(element.tagType, 'inf', 'the tag type is inf');
strictEqual(element.duration, 13, 'the duration is parsed');
strictEqual(element.title,
manifest.substring(manifest.indexOf(',') + 1, manifest.length - 1),
'the title is parsed');
});
// #EXT-X-TARGETDURATION
test('parses minimal #EXT-X-TARGETDURATION tags', function() {
var
manifest = '#EXT-X-TARGETDURATION\n',
element;
parseStream.on('data', function(elem) {
element = elem;
});
lineStream.push(manifest);
ok(element, 'an event was triggered');
strictEqual(element.type, 'tag', 'the line type is tag');
strictEqual(element.tagType, 'targetduration', 'the tag type is targetduration');
ok(!('duration' in element), 'no duration is parsed');
});
test('parses #EXT-X-TARGETDURATION with duration', function() {
var
manifest = '#EXT-X-TARGETDURATION:47\n',
element;
parseStream.on('data', function(elem) {
element = elem;
});
lineStream.push(manifest);
ok(element, 'an event was triggered');
strictEqual(element.type, 'tag', 'the line type is tag');
strictEqual(element.tagType, 'targetduration', 'the tag type is targetduration');
strictEqual(element.duration, 47, 'the duration is parsed');
});
// #EXT-X-VERSION
test('parses minimal #EXT-X-VERSION tags', function() {
var
manifest = '#EXT-X-VERSION:\n',
element;
parseStream.on('data', function(elem) {
element = elem;
});
lineStream.push(manifest);
ok(element, 'an event was triggered');
strictEqual(element.type, 'tag', 'the line type is tag');
strictEqual(element.tagType, 'version', 'the tag type is version');
ok(!('version' in element), 'no version is present');
});
test('parses #EXT-X-VERSION with a version', function() {
var
manifest = '#EXT-X-VERSION:99\n',
element;
parseStream.on('data', function(elem) {
element = elem;
});
lineStream.push(manifest);
ok(element, 'an event was triggered');
strictEqual(element.type, 'tag', 'the line type is tag');
strictEqual(element.tagType, 'version', 'the tag type is version');
strictEqual(element.version, 99, 'the version is parsed');
});
// #EXT-X-MEDIA-SEQUENCE
test('parses minimal #EXT-X-MEDIA-SEQUENCE tags', function() {
var
manifest = '#EXT-X-MEDIA-SEQUENCE\n',
element;
parseStream.on('data', function(elem) {
element = elem;
});
lineStream.push(manifest);
ok(element, 'an event was triggered');
strictEqual(element.type, 'tag', 'the line type is tag');
strictEqual(element.tagType, 'media-sequence', 'the tag type is media-sequence');
ok(!('number' in element), 'no number is present');
});
test('parses #EXT-X-MEDIA-SEQUENCE with sequence numbers', function() {
var
manifest = '#EXT-X-MEDIA-SEQUENCE:109\n',
element;
parseStream.on('data', function(elem) {
element = elem;
});
lineStream.push(manifest);
ok(element, 'an event was triggered');
strictEqual(element.type, 'tag', 'the line type is tag');
strictEqual(element.tagType, 'media-sequence', 'the tag type is media-sequence');
ok(element.number, 109, 'the number is parsed');
});
// #EXT-X-PLAYLIST-TYPE
test('parses minimal #EXT-X-PLAYLIST-TYPE tags', function() {
var
manifest = '#EXT-X-PLAYLIST-TYPE:\n',
element;
parseStream.on('data', function(elem) {
element = elem;
});
lineStream.push(manifest);
ok(element, 'an event was triggered');
strictEqual(element.type, 'tag', 'the line type is tag');
strictEqual(element.tagType, 'playlist-type', 'the tag type is playlist-type');
ok(!('playlistType' in element), 'no playlist type is present');
});
test('parses #EXT-X-PLAYLIST-TYPE with mutability info', function() {
var
manifest = '#EXT-X-PLAYLIST-TYPE:EVENT\n',
element;
parseStream.on('data', function(elem) {
element = elem;
});
lineStream.push(manifest);
ok(element, 'an event was triggered');
strictEqual(element.type, 'tag', 'the line type is tag');
strictEqual(element.tagType, 'playlist-type', 'the tag type is playlist-type');
strictEqual(element.playlistType, 'EVENT', 'the playlist type is EVENT');
manifest = '#EXT-X-PLAYLIST-TYPE:VOD\n';
lineStream.push(manifest);
ok(element, 'an event was triggered');
strictEqual(element.type, 'tag', 'the line type is tag');
strictEqual(element.tagType, 'playlist-type', 'the tag type is playlist-type');
strictEqual(element.playlistType, 'VOD', 'the playlist type is VOD');
manifest = '#EXT-X-PLAYLIST-TYPE:nonsense\n';
lineStream.push(manifest);
ok(element, 'an event was triggered');
strictEqual(element.type, 'tag', 'the line type is tag');
strictEqual(element.tagType, 'playlist-type', 'the tag type is playlist-type');
strictEqual(element.playlistType, 'nonsense', 'the playlist type is parsed');
});
// #EXT-X-BYTERANGE
test('parses minimal #EXT-X-BYTERANGE tags', function() {
var
manifest = '#EXT-X-BYTERANGE\n',
element;
parseStream.on('data', function(elem) {
element = elem;
});
lineStream.push(manifest);
ok(element, 'an event was triggered');
strictEqual(element.type, 'tag', 'the line type is tag');
strictEqual(element.tagType, 'byterange', 'the tag type is byterange');
ok(!('length' in element), 'no length is present');
ok(!('offset' in element), 'no offset is present');
});
test('parses #EXT-X-BYTERANGE with length and offset', function() {
var
manifest = '#EXT-X-BYTERANGE:45\n',
element;
parseStream.on('data', function(elem) {
element = elem;
});
lineStream.push(manifest);
ok(element, 'an event was triggered');
strictEqual(element.type, 'tag', 'the line type is tag');
strictEqual(element.tagType, 'byterange', 'the tag type is byterange');
strictEqual(element.length, 45, 'length is parsed');
ok(!('offset' in element), 'no offset is present');
manifest = '#EXT-X-BYTERANGE:108@16\n';
lineStream.push(manifest);
ok(element, 'an event was triggered');
strictEqual(element.type, 'tag', 'the line type is tag');
strictEqual(element.tagType, 'byterange', 'the tag type is byterange');
strictEqual(element.length, 108, 'length is parsed');
strictEqual(element.offset, 16, 'offset is parsed');
});
// #EXT-X-ALLOW-CACHE
test('parses minimal #EXT-X-ALLOW-CACHE tags', function() {
var
manifest = '#EXT-X-ALLOW-CACHE:\n',
element;
parseStream.on('data', function(elem) {
element = elem;
});
lineStream.push(manifest);
ok(element, 'an event was triggered');
strictEqual(element.type, 'tag', 'the line type is tag');
strictEqual(element.tagType, 'allow-cache', 'the tag type is allow-cache');
ok(!('allowed' in element), 'no allowed is present');
});
test('parses valid #EXT-X-ALLOW-CACHE tags', function() {
var
manifest = '#EXT-X-ALLOW-CACHE:YES\n',
element;
parseStream.on('data', function(elem) {
element = elem;
});
lineStream.push(manifest);
ok(element, 'an event was triggered');
strictEqual(element.type, 'tag', 'the line type is tag');
strictEqual(element.tagType, 'allow-cache', 'the tag type is allow-cache');
ok(element.allowed, 'allowed is parsed');
manifest = '#EXT-X-ALLOW-CACHE:NO\n';
lineStream.push(manifest);
ok(element, 'an event was triggered');
strictEqual(element.type, 'tag', 'the line type is tag');
strictEqual(element.tagType, 'allow-cache', 'the tag type is allow-cache');
ok(!element.allowed, 'allowed is parsed');
});
// #EXT-X-STREAM-INF
test('parses minimal #EXT-X-STREAM-INF tags', function() {
var
manifest = '#EXT-X-STREAM-INF\n',
element;
parseStream.on('data', function(elem) {
element = elem;
});
lineStream.push(manifest);
ok(element, 'an event was triggered');
strictEqual(element.type, 'tag', 'the line type is tag');
strictEqual(element.tagType, 'stream-inf', 'the tag type is stream-inf');
ok(!('attributes' in element), 'no attributes are present');
});
test('parses #EXT-X-STREAM-INF with common attributes', function() {
var
manifest = '#EXT-X-STREAM-INF:BANDWIDTH=14400\n',
element;
parseStream.on('data', function(elem) {
element = elem;
});
lineStream.push(manifest);
ok(element, 'an event was triggered');
strictEqual(element.type, 'tag', 'the line type is tag');
strictEqual(element.tagType, 'stream-inf', 'the tag type is stream-inf');
strictEqual(element.attributes.BANDWIDTH, 14400, 'bandwidth is parsed');
manifest = '#EXT-X-STREAM-INF:PROGRAM-ID=7\n';
lineStream.push(manifest);
ok(element, 'an event was triggered');
strictEqual(element.type, 'tag', 'the line type is tag');
strictEqual(element.tagType, 'stream-inf', 'the tag type is stream-inf');
strictEqual(element.attributes['PROGRAM-ID'], 7, 'program-id is parsed');
manifest = '#EXT-X-STREAM-INF:RESOLUTION=396x224\n';
lineStream.push(manifest);
ok(element, 'an event was triggered');
strictEqual(element.type, 'tag', 'the line type is tag');
strictEqual(element.tagType, 'stream-inf', 'the tag type is stream-inf');
strictEqual(element.attributes.RESOLUTION.width, 396, 'width is parsed');
strictEqual(element.attributes.RESOLUTION.height, 224, 'heigth is parsed');
});
test('parses #EXT-X-STREAM-INF with arbitrary attributes', function() {
var
manifest = '#EXT-X-STREAM-INF:NUMERIC=24,ALPHA=Value,MIXED=123abc\n',
element;
parseStream.on('data', function(elem) {
element = elem;
});
lineStream.push(manifest);
ok(element, 'an event was triggered');
strictEqual(element.type, 'tag', 'the line type is tag');
strictEqual(element.tagType, 'stream-inf', 'the tag type is stream-inf');
strictEqual(element.attributes.NUMERIC, '24', 'numeric attributes are parsed');
strictEqual(element.attributes.ALPHA, 'Value', 'alphabetic attributes are parsed');
strictEqual(element.attributes.MIXED, '123abc', 'mixed attributes are parsed');
});
// #EXT-X-ENDLIST
test('parses #EXT-X-ENDLIST tags', function() {
var
manifest = '#EXT-X-ENDLIST\n',
element;
parseStream.on('data', function(elem) {
element = elem;
});
lineStream.push(manifest);
ok(element, 'an event was triggered');
strictEqual(element.type, 'tag', 'the line type is tag');
strictEqual(element.tagType, 'endlist', 'the tag type is stream-inf');
});
test('ignores empty lines', function() {
var
manifest = '\n',
event = false;
parseStream.on('data', function() {
event = true;
});
lineStream.push(manifest);
ok(!event, 'no event is triggered');
});
module('m3u8 parser', {
setup: function() {
parser = new Parser();
}
});
test('should create a parser', function() {
notStrictEqual(parser, undefined, 'parser is defined');
});
test('should successfully parse manifest data', function() {
parser.push(window.playlistM3U8data);
ok(parser.manifest);
});
test('valid manifest should populate the manifest data object', function() {
parser.push(window.playlistM3U8data);
ok(parser.manifest, 'the manifest is parsed');
strictEqual(parser.manifest.targetDuration, 10, 'the manifest has correct TARGET DURATION');
strictEqual(parser.manifest.allowCache, true, 'allow-cache is defaulted to true');
strictEqual(parser.manifest.playlistType, 'VOD', 'playlist type is VOD');
strictEqual(parser.manifest.segments.length, 17, 'there are 17 segments in the manifest');
strictEqual(parser.manifest.mediaSequence, 0, 'MEDIA SEQUENCE is correct');
ok(!('duration' in parser.manifest), "no total duration is specified");
});
/*3.4.7. EXT-X-PLAYLIST-TYPE
The EXT-X-PLAYLIST-TYPE tag provides mutability information about the
Playlist file. It applies to the entire Playlist file. It is
OPTIONAL. Its format is:
#EXT-X-PLAYLIST-TYPE:<EVENT|VOD>
Section 6.2.1 defines the implications of the EXT-X-PLAYLIST-TYPE
tag.
The EXT-X-PLAYLIST-TYPE tag MUST NOT appear in a Master Playlist.
*/
test('should have parsed VOD playlist type', function() {
var
playlistTemplate = Handlebars.compile(window.playlist_type_template),
testData = { playlistType: 'VOD' };
parser.push(playlistTemplate(testData));
notStrictEqual(parser.manifest, null, 'manifest is parsed');
//strictEqual(data.invalidReasons.length, 0, 'Errors object should not be empty.');
strictEqual(parser.manifest.playlistType, 'VOD', 'playlist type is vod');
});
test('should have parsed EVENT playlist type', function() {
var
playlistTemplate = Handlebars.compile(window.playlist_type_template),
testData = { playlistType: 'EVENT' };
parser.push(playlistTemplate(testData));
notStrictEqual(parser.manifest, null, 'manifest is parsed');
//strictEqual(data.invalidReasons.length, 0, 'Errors object should not be empty.');
strictEqual(parser.manifest.playlistType, 'EVENT', 'playlist type is event');
});
test('handles a missing playlist type', function() {
var
playlistTemplate = Handlebars.compile(window.playlist_type_template),
testData = {};
parser.push(playlistTemplate(testData));
//strictEqual(data.invalidReasons.length, 0, 'Errors object should not be empty.');
//strictEqual(data.warnings, 'EXT-X-PLAYLIST-TYPE was empty or missing. Assuming VOD');
strictEqual(parser.manifest.playlistType, 'VOD', 'playlist type defaults to vod');
});
test('should default invalid playlist types to vod', function() {
var
playlistTemplate = Handlebars.compile(window.playlist_type_template),
testData = { playlistType: 'baklsdhfajsdf' };
parser.push(playlistTemplate(testData));
strictEqual(parser.manifest.playlistType, 'VOD', 'invalid playlist types default to vod');
//strictEqual(data.invalidReasons.length, 1, 'data has 1 invalid reasons');
//strictEqual(data.invalidReasons[0], 'Invalid Playlist Type Value: \'baklsdhfajsdf\'');
});
test('handles an empty playlist type', function() {
var
playlistTemplate = Handlebars.compile(window.playlist_type_template),
testData = { playlistType: '' };
parser.push(playlistTemplate(testData));
//strictEqual(data.invalidReasons.length, 0, 'Errors object should not be empty.');
//strictEqual(data.warnings, 'EXT-X-PLAYLIST-TYPE was empty or missing. Assuming VOD');
strictEqual(parser.manifest.playlistType, 'VOD', 'playlist type defaults to vod');
});
/*3.4.2. EXT-X-TARGETDURATION
The EXT-X-TARGETDURATION tag specifies the maximum media segment
duration. The EXTINF duration of each media segment in the Playlist
file, when rounded to the nearest integer, MUST be less than or equal
to the target duration. This tag MUST appear once in a Media
Playlist file. It applies to the entire Playlist file. Its format
is:
#EXT-X-TARGETDURATION:<s>
where s is a decimal-integer indicating the target duration in
seconds.
The EXT-X-TARGETDURATION tag MUST NOT appear in a Master Playlist.
*/
test('valid target duration', function() {
var
playlistTemplate = Handlebars.compile(window.playlist_target_duration_template),
testData = { targetDuration: '10' };
parser.push(playlistTemplate(testData));
strictEqual(parser.manifest.targetDuration, 10, 'manifest has correct TARGET DURATION');
//strictEqual(data.invalidReasons.length, 0, 'data has 1 invalid reasons');
});
test('NaN target duration', function() {
var
playlistTemplate = Handlebars.compile(window.playlist_target_duration_template),
testData = { targetDuration: 'string' };
parser.push(playlistTemplate(testData));
ok(!('targetDuration' in parser.manifest), 'target duration is not defined');
// notStrictEqual(data.invalidReasons, null, 'invalidReasons is not NULL');
// strictEqual(data.invalidReasons.length, 1, 'data has 0 invalid reasons');
// strictEqual(data.invalidReasons[0], 'Invalid Target Duration Value: \'NaN\'');
});
test('empty target duration', function() {
var
playlistTemplate = Handlebars.compile(window.playlist_target_duration_template),
testData = { targetDuration: '\'\'' };
parser.push(playlistTemplate(testData));
ok(!('targetDuration' in parser.manifest), 'target duration is not defined');
// notStrictEqual(data.invalidReasons, null, 'invalidReasons is not NULL');
// strictEqual(data.invalidReasons.length, 1, 'data has 1 invalid reasons');
// strictEqual(data.invalidReasons[0], 'Invalid Target Duration Value: \'NaN\'');
});
test('empty target duration', function() {
var
playlistTemplate = Handlebars.compile(window.playlist_target_duration_template);
parser.push(playlistTemplate({}));
ok(!('targetDuration' in parser.manifest), 'target duration is not defined');
// notStrictEqual(data.invalidReasons, null, 'invalidReasons is not NULL');
// strictEqual(data.invalidReasons.length, 1, 'data has 1 invalid reasons');
// strictEqual(data.invalidReasons[0], 'Invalid Target Duration Value: \'what\'');
});
/*3.4.3. EXT-X-MEDIA-SEQUENCE
Each media segment in a Playlist has a unique integer sequence
number. The sequence number of a segment is equal to the sequence
number of the segment that preceded it plus one. The EXT-X-MEDIA-
SEQUENCE tag indicates the sequence number of the first segment that
appears in a Playlist file. Its format is:
#EXT-X-MEDIA-SEQUENCE:<number>
where number is a decimal-integer. The sequence number MUST NOT
decrease.
A Media Playlist file MUST NOT contain more than one EXT-X-MEDIA-
SEQUENCE tag. If the Media Playlist file does not contain an EXT-X-
MEDIA-SEQUENCE tag then the sequence number of the first segment in
the playlist SHALL be considered to be 0. A client MUST NOT assume
that segments with the same sequence number in different Media
Playlists contain matching content.
A media URI is not required to contain its sequence number.
*/
test('media sequence is valid in the playlist', function() {
var
playlistTemplate = Handlebars.compile(window.playlist_media_sequence_template),
testData = { mediaSequence: '0' };
parser.push(playlistTemplate(testData));
// notStrictEqual(data.invalidReasons, null, 'invalidReasons is not NULL');
// strictEqual(data.invalidReasons.length, 0, 'Errors object should not be empty.');
strictEqual(parser.manifest.mediaSequence, 0, 'MEDIA SEQUENCE is zero');
});
test('media sequence is encountered twice in the playlist', function() {
var
playlistTemplate = Handlebars.compile(window.playlist_media_sequence_template),
testData = {
mediaSequence: '0',
mediaSequence1: '1'
};
parser.push(playlistTemplate(testData));
// notStrictEqual(data.invalidReasons, null, 'invalidReasons is not NULL');
// strictEqual(data.invalidReasons.length, 0, 'Errors object should not be empty.');
strictEqual(parser.manifest.mediaSequence,
1,
'the most recently encountered media sequence is stored');
});
test('media sequence is zero if not present in media playlists', function() {
var playlistTemplate = Handlebars.compile(window.playlist_media_sequence_template);
parser.push(playlistTemplate({}));
// notStrictEqual(data.invalidReasons, null, 'invalidReasons is not NULL');
// strictEqual(data.invalidReasons.length, 0, 'Errors object should not be empty.');
strictEqual(parser.manifest.mediaSequence, 0, 'mediaSequence is defaulted to zero');
});
test('empty media sequence numbers is ignored in media playlists', function() {
var
playlistTemplate = Handlebars.compile(window.playlist_media_sequence_template),
testData = { mediaSequence: '' };
parser.push(playlistTemplate(testData));
// notStrictEqual(data.invalidReasons, null, 'invalidReasons is not NULL');
// strictEqual(data.invalidReasons.length, 1, 'data has 1 invalid reasons');
strictEqual(parser.manifest.mediaSequence,
0,
'empty media sequences are defaulted');
});
test('handles invalid media sequence numbers in the playlist', function() {
var
playlistTemplate = Handlebars.compile(window.playlist_media_sequence_template),
testData = { mediaSequence: '-1' };
parser.push(playlistTemplate(testData));
// notStrictEqual(data.invalidReasons, null, 'invalidReasons is not NULL');
// strictEqual(data.invalidReasons.length, 1, 'data has 1 invalid reasons');
// strictEqual(data.invalidReasons[0], 'Invalid Media Sequence Value: \'-1\'');
strictEqual(parser.manifest.mediaSequence,
-1,
'negative media sequence numbers are parsed');
});
test('invalid media sequences are defaulted', function() {
var
playlistTemplate = Handlebars.compile(window.playlist_media_sequence_template),
testData = {
mediaSequence: 'asdfkasdkfl'
};
parser.push(playlistTemplate(testData));
strictEqual(parser.manifest.mediaSequence, 0, 'invalid media sequences default to zero');
// notStrictEqual(data.invalidReasons, null, 'invalidReasons is not NULL');
// strictEqual(data.invalidReasons.length, 1, 'data has 1 invalid reasons');
// strictEqual(data.invalidReasons[0], 'Invalid Media Sequence Value: \'asdfkasdkfl\'');
});
module('Representative Playlist', {
setup: function() {
parser = new Parser();
},
teardown: function() {
parser = null;
}
});
test('should parse real manifest data', function() {
parser.push(window.brightcove_playlist_data);
parser.end();
ok(parser.manifest, 'a manifest is parsed');
ok(!('segments' in parser.manifest), 'no segments should be parsed');
strictEqual(parser.manifest.playlists.length, 4, 'has correct playlist count');
strictEqual(parser.manifest.playlists[0].attributes.BANDWIDTH, 240000, 'first rendition index bandwidth is correct');
strictEqual(parser.manifest.playlists[0].attributes['PROGRAM-ID'], 1, 'first rendition index program-id is correct');
strictEqual(parser.manifest.playlists[0].attributes.RESOLUTION.width,
396,
'first rendition index resolution width is correct');
strictEqual(parser.manifest.playlists[0].attributes.RESOLUTION.height,
224,
'first rendition index resolution height is correct');
});
/*3.3.2. EXTINF
The EXTINF tag specifies the duration of a media segment. It applies
only to the media segment that follows it, and MUST be followed by a
media segment URI. Each media segment MUST be preceded by an EXTINF
tag. Its format is:
#EXTINF:<duration>,<title>
where duration is an decimal-integer or decimal-floating-point number
that specifies the duration of the media segment in seconds.
Durations that are reported as integers SHOULD be rounded to the
nearest integer. Durations MUST be integers if the protocol version
of the Playlist file is less than 3. Durations SHOULD be floating-
point if the version is equal to or greater than 3. The remainder of
the line following the comma is an optional human-readable
informative title of the media segment.
The EXTINF duration of each media segment in the Playlist
file, when rounded to the nearest integer, MUST be less than or equal
to the target duration.
*/
test('test valid extinf values in playlist', function() {
var
playlistTemplate = Handlebars.compile(window.playlist_extinf_template),
testData = {
version: 4,
extInf: '10',
extInf1: '10',
extInf2: '10',
segment: 'hls_450k_video.ts'
};
parser.push(playlistTemplate(testData));
strictEqual(parser.manifest.segments.length, 17, 'the number of playlists is inferred');
strictEqual(parser.manifest.segments[0].duration,
10,
'the first playlist duration is parsed');
strictEqual(parser.manifest.segments[1].duration,
10,
'the second playlist duration is parsed');
strictEqual(parser.manifest.segments[2].duration,
10,
'the third playlist duration is parsed');
strictEqual(parser.manifest.segments[3].duration,
10,
'the fourth playlist duration is parsed');
// notStrictEqual(data.invalidReasons, null, 'invalidReasons is not NULL');
// strictEqual(data.invalidReasons.length, 0, 'Errors object should not be empty.');
});
test('the last encountered extinf tag before a segment takes precedance', function() {
var
playlistTemplate = Handlebars.compile(window.playlist_extinf_template),
testData = {
version: 4,
extInf: '1',
extInf1: '2',
extInf2: '3'
};
parser.push(playlistTemplate(testData));
strictEqual(parser.manifest.segments[0].duration,
2,
'the most recent duration is stored');
});
//
test('ignore invalid extinf values', function() {
var
playlistTemplate = Handlebars.compile(window.playlist_extinf_template),
testData = {
version: 4,
extInf: 'asdf',
extInf1: '10',
extInf2: '10',
segment: 'hls_450k_video.ts'
};
parser.push(playlistTemplate(testData));
ok(!('duration' in parser.manifest.segments[0]), 'invalid durations are ignored');
// notStrictEqual(data.invalidReasons, null, 'invalidReasons is not NULL');
// strictEqual(data.invalidReasons.length, 1, 'data has 1 invalid reasons');
});
//its best practice that every extinf have the same value, but its not required
test('test inconsistent extinf values in playlist below target duration', function() {
var
playlistTemplate = Handlebars.compile(window.playlist_extinf_template),
testData = {
version: 4,
extInf: '10',
extInf1: '7',
extInf2: '10',
segment: 'hls_450k_video.ts'
};
parser.push(playlistTemplate(testData));
strictEqual(parser.manifest.segments[0].duration,
10,
'the first duration is parsed');
strictEqual(parser.manifest.segments[1].duration,
7,
'the second duration is parsed');
strictEqual(parser.manifest.segments[2].duration,
10,
'the third duration is parsed');
// notStrictEqual(data.invalidReasons, null, 'invalidReasons is not NULL');
// strictEqual(data.invalidReasons.length, 0, 'Errors object should not be empty.');
});
//extinf values must be below the target duration
test('test floating-point values are accepted with version 3', function() {
var
playlistTemplate = Handlebars.compile(window.playlist_extinf_template),
testData = {
version: 3,
extInf: '10.5',
extInf1: '10.5',
extInf2: '10.5',
segment: 'hls_450k_video.ts'
};
parser.push(playlistTemplate(testData));
strictEqual(parser.manifest.segments[0].duration, 10.5, 'fractional durations are parsed');
// notStrictEqual(data.invalidReasons, null, 'invalidReasons is not NULL');
// strictEqual(data.invalidReasons.length, 1, 'data has 1 invalid reasons');
// strictEqual(data.invalidReasons[0], 'Invalid Segment Data: \'#EXTINF value not an integer\'');
});
//extinf values must be below the target duration
test('test empty EXTINF values', function() {
var
playlistTemplate = Handlebars.compile(window.playlist_extinf_template),
testData = {
version: 4,
extInf: '',
extInf1: '10.5',
extInf2: '10.5',
segment: 'hls_450k_video.ts'
};
parser.push(playlistTemplate(testData));
ok(!('duration' in parser.manifest.segments[0]), 'empty durations are ignored');
// notStrictEqual(data.invalidReasons, null, 'invalidReasons is not NULL');
// strictEqual(data.invalidReasons.length, 1, 'data has 1 invalid reasons');
// strictEqual(data.invalidReasons[0], 'Invalid Segment Data: \'#EXTINF value empty\'');
});
/*
3.3.6. EXT-X-ALLOW-CACHE
The EXT-X-ALLOW-CACHE tag indicates whether the client MAY or MUST
NOT cache downloaded media segments for later replay. It MAY occur
anywhere in the Playlist file; it MUST NOT occur more than once. The
EXT-X-ALLOW-CACHE tag applies to all segments in the playlist. Its
format is:
#EXT-X-ALLOW-CACHE:<YES|NO>
*/
test('test EXT-X-ALLOW-CACHE YES', function() {
var
playlistTemplate = Handlebars.compile(window.playlist_allow_cache),
testData = { version: 4, allowCache: 'YES' };
parser.push(playlistTemplate(testData));
// notStrictEqual(data.invalidReasons, null, 'invalidReasons is not NULL');
// strictEqual(data.invalidReasons.length, 0, 'Errors object should not be empty.');
strictEqual(parser.manifest.allowCache, true, 'allowCache is true');
});
test('test EXT-X-ALLOW-CACHE NO', function() {
var
playlistTemplate = Handlebars.compile(window.playlist_allow_cache),
testData = {
version: 4,
allowCache: 'NO'
};
parser.push(playlistTemplate(testData));
// notStrictEqual(data.invalidReasons, null, 'invalidReasons is not NULL');
// strictEqual(data.invalidReasons.length, 0, 'Errors object should not be empty.');
strictEqual(parser.manifest.allowCache, false, 'allowCache is false');
});
test('test EXT-X-ALLOW-CACHE invalid, default to YES', function() {
var
playlistTemplate = Handlebars.compile(window.playlist_allow_cache),
testData = {
version: 4,
allowCache: 'YESTERDAYNO'
};
parser.push(playlistTemplate(testData));
// notStrictEqual(data.invalidReasons, null, 'invalidReasons is not NULL');
// strictEqual(data.invalidReasons.length, 1, 'data has 1 invalid reasons');
// strictEqual(data.invalidReasons[0], 'Invalid EXT-X-ALLOW-CACHE value: \'YESTERDAYNO\'');
strictEqual(parser.manifest.allowCache, true, 'allowCache defaults to true');
});
test('empty EXT-X-ALLOW-CACHE defaults to YES', function() {
var
playlistTemplate = Handlebars.compile(window.playlist_allow_cache),
testData = {
version: 4,
allowCache: ''
};
parser.push(playlistTemplate(testData));
// notStrictEqual(data.invalidReasons, null, 'invalidReasons is not NULL');
// strictEqual(data.invalidReasons.length, 1, 'data has 1 invalid reasons');
// strictEqual(data.invalidReasons[0], 'Invalid EXT-X-ALLOW-CACHE value: \'\'');
strictEqual(parser.manifest.allowCache, true, 'allowCache should default to YES.');
});
test('missing EXT-X-ALLOW-CACHE defaults to YES', function() {
var
playlistTemplate = Handlebars.compile(window.playlist_allow_cache),
testData = {version: 4};
parser.push(playlistTemplate(testData));
// notStrictEqual(data.invalidReasons, null, 'invalidReasons is not NULL');
// strictEqual(data.invalidReasons.length, 1, 'No EXT-X-ALLOW-CACHE specified. Default: YES.');
strictEqual(parser.manifest.allowCache, true, 'allowCache should default to YES');
});
test('valid byteranges are parsed', function() {
var
playlistTemplate = Handlebars.compile(window.playlist_byte_range),
testData = {
version: 4,
byteRange: '522828@0',
byteRange1: '587500@522828',
byteRange2: '44556@8353216'
};
parser.push(playlistTemplate(testData));
//notStrictEqual(data.invalidReasons, null, 'invalidReasons is not NULL');
//strictEqual(data.invalidReasons.length, 0, 'Errors object should be empty.');
//TODO: Validate the byteRange info
strictEqual(parser.manifest.segments.length,
17,
'17 segments should have been parsed.');
strictEqual(parser.manifest.segments[0].byterange.length,
522828,
'byteRange length incorrect');
strictEqual(parser.manifest.segments[0].byterange.offset,
0,
'byteRange offset incorrect');
strictEqual(parser.manifest.segments[1].byterange.length,
587500,
'byteRange length incorrect');
strictEqual(parser.manifest.segments[1].byterange.offset,
522828,
'byteRange offset incorrect');
});
test('EXT-X-BYTERANGE used but version is < 4', function() {
var
playlistTemplate = Handlebars.compile(window.playlist_byte_range),
testData = {
version: 3,
// incorrect syntax, '@' is the offset separator
byteRange: '522828,0',
byteRange1: '587500,522828',
byteRange2: '44556,8353216'
};
parser.push(playlistTemplate(testData));
strictEqual(parser.manifest.segments.length,
17,
'17 segments should have been parsed.');
strictEqual(parser.manifest.segments[0].byterange.length,
522828,
'the byterange length was parsed');
strictEqual(parser.manifest.segments[0].byterange.offset,
0,
'the byterange offset was parsed');
strictEqual(parser.manifest.segments[1].byterange.offset,
0,
'the byterange offset was defaulted');
});
})(window, window.console);