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
|
<!DOCTYPE html>
<!-- Copyright © 2016 Chromium authors and World Wide Web Consortium, (Massachusetts Institute of Technology, ERCIM, Keio University, Beihang). -->
<html>
<head>
<title>MediaSource.duration & HTMLMediaElement.duration test cases.</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="mediasource-util.js"></script>
</head>
<body>
<div id="log"></div>
<script>
var subType = MediaSourceUtil.getSubType(MediaSourceUtil.AUDIO_ONLY_TYPE);
var manifestFilenameAudio = subType + "/test-a-128k-44100Hz-1ch-manifest.json";
var manifestFilenameVideo = subType + "/test-v-128k-320x240-30fps-10kfr-manifest.json";
function mediasource_truncated_duration_seek_test(testFunction, description, options)
{
return mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
{
assert_greater_than(segmentInfo.duration, 2, 'Sufficient test media duration');
var fullDuration = segmentInfo.duration;
var seekTo = fullDuration / 2.0;
var truncatedDuration = seekTo / 2.0;
mediaElement.play();
// Append all the segments
test.expectEvent(sourceBuffer, 'updateend', 'sourceBuffer');
test.expectEvent(mediaElement, 'playing', 'Playing triggered');
sourceBuffer.appendBuffer(mediaData);
test.waitForExpectedEvents(function()
{
test.expectEvent(mediaElement, 'seeking', 'seeking to seekTo');
test.expectEvent(mediaElement, 'timeupdate', 'timeupdate while seeking to seekTo');
test.expectEvent(mediaElement, 'seeked', 'seeked to seekTo');
mediaElement.currentTime = seekTo;
assert_true(mediaElement.seeking, 'mediaElement.seeking (to seekTo)');
});
test.waitForExpectedEvents(function()
{
assert_greater_than_equal(mediaElement.currentTime, seekTo, 'Playback time has reached seekTo');
assert_false(mediaElement.seeking, 'mediaElement.seeking after seeked to seekTo');
assert_false(sourceBuffer.updating, 'sourceBuffer.updating');
sourceBuffer.remove(truncatedDuration, Infinity);
assert_true(sourceBuffer.updating, 'sourceBuffer.updating');
test.expectEvent(sourceBuffer, 'updatestart', 'sourceBuffer');
test.expectEvent(sourceBuffer, 'update', 'sourceBuffer');
test.expectEvent(sourceBuffer, 'updateend', 'sourceBuffer');
});
test.waitForExpectedEvents(function()
{
assert_greater_than_equal(mediaElement.currentTime, seekTo, 'Playback time has reached seekTo');
assert_false(sourceBuffer.updating, 'sourceBuffer.updating');
// Remove will not remove partial frames, so the resulting duration is the highest end time
// of the track buffer ranges, and is greater than or equal to the highest coded frame
// presentation time across all track buffer ranges. We first obtain the intersected track buffer
// ranges end time and set the duration to that value.
truncatedDuration = sourceBuffer.buffered.end(sourceBuffer.buffered.length-1);
assert_less_than(truncatedDuration, seekTo,
'remove has removed the current playback position from at least one track buffer');
mediaSource.duration = truncatedDuration;
test.expectEvent(mediaElement, 'seeking', 'Seeking to truncated duration');
// The actual duration may be slightly higher than truncatedDuration because the
// duration is adjusted upwards if necessary to be the highest end time across all track buffer
// ranges. Allow that increase here.
assert_less_than_equal(truncatedDuration, mediaSource.duration,
'Duration should not be less than what was set');
// Here, we assume no test media coded frame duration is longer than 100ms.
assert_less_than(mediaSource.duration - truncatedDuration, 0.1);
// Update our truncatedDuration to be the actual new duration.
truncatedDuration = mediaSource.duration;
assert_true(mediaElement.seeking, 'Seeking after setting truncatedDuration');
});
test.waitForExpectedEvents(function()
{
assert_equals(mediaElement.currentTime, truncatedDuration,
'Playback time is truncatedDuration while seeking');
assert_true(mediaElement.seeking, 'mediaElement.seeking while seeking to truncatedDuration');
assert_equals(mediaElement.duration, truncatedDuration,
'mediaElement truncatedDuration during seek to it');
assert_equals(mediaSource.duration, truncatedDuration,
'mediaSource truncatedDuration during seek to it');
testFunction(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData,
truncatedDuration);
});
}, description, options);
}
mediasource_truncated_duration_seek_test(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer,
mediaData, truncatedDuration)
{
// Tests that duration truncation below current playback position
// starts seek to new duration.
test.done();
}, 'Test seek starts on duration truncation below currentTime');
mediasource_truncated_duration_seek_test(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer,
mediaData, truncatedDuration)
{
// The duration has been truncated at this point, and there is an
// outstanding seek pending.
test.expectEvent(sourceBuffer, 'updateend', 'updateend after appending more data');
test.expectEvent(mediaElement, 'timeupdate', 'timeupdate while finishing seek to truncatedDuration');
test.expectEvent(mediaElement, 'seeked', 'seeked to truncatedDuration');
// Allow seek to complete by appending more data beginning at the
// truncated duration timestamp.
sourceBuffer.timestampOffset = truncatedDuration;
sourceBuffer.appendBuffer(mediaData);
test.waitForExpectedEvents(function()
{
assert_greater_than_equal(mediaElement.currentTime, truncatedDuration,
'Playback time has reached truncatedDuration');
assert_approx_equals(mediaElement.duration, truncatedDuration + segmentInfo.duration, 0.05,
'mediaElement duration increased by new append');
assert_equals(mediaSource.duration, mediaElement.duration,
'mediaSource duration increased by new append');
assert_false(mediaElement.seeking, 'mediaElement.seeking after seeked to truncatedDuration');
test.done();
});
}, 'Test appendBuffer completes previous seek to truncated duration');
mediasource_truncated_duration_seek_test(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer,
mediaData, truncatedDuration)
{
// The duration has been truncated at this point, and there is an
// outstanding seek pending.
test.expectEvent(mediaSource, 'sourceended', 'endOfStream acknowledged');
test.expectEvent(mediaElement, 'timeupdate', 'timeupdate while finishing seek to truncatedDuration');
test.expectEvent(mediaElement, 'seeked', 'seeked to truncatedDuration');
// Call endOfStream() to complete the pending seek.
mediaSource.endOfStream();
test.waitForExpectedEvents(function()
{
assert_greater_than_equal(mediaElement.currentTime, truncatedDuration,
'Playback time has reached truncatedDuration');
// The mediaSource.readyState is "ended". Buffered ranges have been adjusted to the longest track.
truncatedDuration = sourceBuffer.buffered.end(sourceBuffer.buffered.length-1);
assert_equals(mediaElement.duration, truncatedDuration,
'mediaElement truncatedDuration after seek to it');
assert_equals(mediaSource.duration, truncatedDuration,
'mediaSource truncatedDuration after seek to it');
assert_false(mediaElement.seeking, 'mediaElement.seeking after seeked to truncatedDuration');
test.done();
});
}, 'Test endOfStream completes previous seek to truncated duration');
mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
{
assert_greater_than(segmentInfo.duration, 2, 'Sufficient test media duration');
var fullDuration = segmentInfo.duration;
var newDuration = 0.5;
var expectedDurationChangeEventCount = 1;
var durationchangeEventCounter = 0;
var durationchangeEventHandler = test.step_func(function(event)
{
assert_equals(mediaElement.duration, mediaSource.duration, 'mediaElement newDuration');
// Final duration may be greater than originally set as per MSE's 2.4.6 Duration change
// Adjust newDuration accordingly.
assert_less_than_equal(newDuration, mediaSource.duration, 'mediaSource newDuration');
durationchangeEventCounter++;
});
mediaElement.play();
// Append all the segments
test.expectEvent(sourceBuffer, 'updateend', 'sourceBuffer');
test.expectEvent(mediaElement, 'playing', 'Playing triggered');
sourceBuffer.appendBuffer(mediaData);
test.waitForExpectedEvents(function()
{
assert_less_than(mediaElement.currentTime, newDuration / 2, 'mediaElement currentTime');
assert_false(sourceBuffer.updating, "updating");
// Truncate duration. This should result in one 'durationchange' fired.
sourceBuffer.remove(newDuration, Infinity);
assert_true(sourceBuffer.updating, "updating");
test.expectEvent(sourceBuffer, 'updatestart', 'sourceBuffer');
test.expectEvent(sourceBuffer, 'update', 'sourceBuffer');
test.expectEvent(sourceBuffer, 'updateend', 'sourceBuffer');
});
test.waitForExpectedEvents(function()
{
// Media load also fires 'durationchange' event, so only start counting them now.
mediaElement.addEventListener('durationchange', durationchangeEventHandler);
assert_false(sourceBuffer.updating, "updating");
// Truncate duration. This should result in one 'durationchange' fired.
mediaSource.duration = newDuration;
// Final duration may be greater than originally set as per MSE's 2.4.6 Duration change
// Adjust newDuration accordingly.
assert_true(newDuration <= mediaSource.duration, 'adjusted duration');
newDuration = mediaSource.duration;
// Set duration again to make sure it does not trigger another 'durationchange' event.
mediaSource.duration = newDuration;
// Mark endOfStream so that playback can reach 'ended' at the new duration.
test.expectEvent(mediaSource, 'sourceended', 'endOfStream acknowledged');
mediaSource.endOfStream();
// endOfStream can change duration slightly.
// Allow for one more 'durationchange' event only in this case.
var currentDuration = mediaSource.duration;
if (currentDuration != newDuration) {
newDuration = currentDuration;
++expectedDurationChangeEventCount;
}
// Allow media to play to end while counting 'durationchange' events.
test.expectEvent(mediaElement, 'ended', 'Playback ended');
test.waitForExpectedEvents(function()
{
mediaElement.removeEventListener('durationchange', durationchangeEventHandler);
assert_equals(durationchangeEventCounter, expectedDurationChangeEventCount, 'durationchanges');
test.done();
});
});
}, 'Test setting same duration multiple times does not fire duplicate durationchange');
mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
{
assert_greater_than(segmentInfo.duration, 2, 'Sufficient test media duration');
var fullDuration = segmentInfo.duration;
var newDuration = fullDuration / 2;
// Append all the segments
test.expectEvent(sourceBuffer, 'updateend', 'sourceBuffer');
test.expectEvent(mediaElement, 'loadedmetadata', 'mediaElement');
sourceBuffer.appendBuffer(mediaData);
test.waitForExpectedEvents(function()
{
assert_false(sourceBuffer.updating, "updating");
assert_throws("InvalidStateError", function()
{
mediaSource.duration = newDuration;
}, "duration");
test.done();
});
}, 'Test setting the duration to less than the highest starting presentation timestamp will throw');
mediasource_test(function(test, mediaElement, mediaSource)
{
mediaElement.addEventListener("error", test.unreached_func("Unexpected event 'error'"));
MediaSourceUtil.fetchManifestAndData(test, manifestFilenameAudio, function(typeAudio, dataAudio)
{
MediaSourceUtil.fetchManifestAndData(test, manifestFilenameVideo, function(typeVideo, dataVideo)
{
var sourceBufferAudio = mediaSource.addSourceBuffer(typeAudio);
var sourceBufferVideo = mediaSource.addSourceBuffer(typeVideo);
var newDuration = 1.2;
sourceBufferAudio.appendWindowEnd = 2.0;
sourceBufferAudio.appendWindowStart = newDuration / 2.0;
sourceBufferAudio.appendBuffer(dataAudio);
sourceBufferVideo.appendWindowEnd = 2.0;
sourceBufferVideo.appendWindowStart = newDuration * 1.3;
sourceBufferVideo.appendBuffer(dataVideo);
test.expectEvent(sourceBufferAudio, "updateend");
test.expectEvent(sourceBufferVideo, "updateend");
test.waitForExpectedEvents(function()
{
assert_equals(sourceBufferAudio.buffered.length, 1);
assert_equals(sourceBufferVideo.buffered.length, 1);
assert_less_than(sourceBufferAudio.buffered.start(0), newDuration);
assert_greater_than(sourceBufferVideo.buffered.start(0), newDuration);
assert_throws("InvalidStateError", function () { mediaSource.duration = newDuration; });
test.done();
});
});
});
}, "Truncating the duration throws an InvalidStateError exception when new duration is less than the highest buffered range start time of one of the track buffers");
mediasource_test(function(test, mediaElement, mediaSource)
{
mediaElement.addEventListener("error", test.unreached_func("Unexpected event 'error'"));
MediaSourceUtil.fetchManifestAndData(test, manifestFilenameAudio, function(typeAudio, dataAudio)
{
MediaSourceUtil.fetchManifestAndData(test, manifestFilenameVideo, function(typeVideo, dataVideo)
{
var sourceBufferAudio = mediaSource.addSourceBuffer(typeAudio);
var sourceBufferVideo = mediaSource.addSourceBuffer(typeVideo);
// Buffer audio [0.8,1.8)
sourceBufferAudio.timestampOffset = 0.8;
sourceBufferAudio.appendWindowEnd = 1.8;
sourceBufferAudio.appendBuffer(dataAudio);
// Buffer video [1.5,3)
sourceBufferVideo.timestampOffset = 1.5;
sourceBufferVideo.appendWindowEnd = 3;
sourceBufferVideo.appendBuffer(dataVideo);
test.expectEvent(sourceBufferAudio, "updateend");
test.expectEvent(sourceBufferVideo, "updateend");
test.waitForExpectedEvents(function()
{
var newDuration = 2.0;
// Verify the test setup
assert_equals(sourceBufferAudio.buffered.length, 1);
assert_equals(sourceBufferVideo.buffered.length, 1);
assert_greater_than(sourceBufferAudio.buffered.end(0), 1.5);
assert_less_than(sourceBufferAudio.buffered.end(0), newDuration);
assert_less_than(sourceBufferVideo.buffered.start(0), newDuration);
assert_greater_than(sourceBufferVideo.buffered.end(0), newDuration + 0.5);
// Verify the expected error
// We assume relocated test video has at least one coded
// frame presentation interval which fits in [>2.0,>2.5)
assert_throws("InvalidStateError", function () { mediaSource.duration = newDuration; });
test.done();
});
});
});
}, "Truncating the duration throws an InvalidStateError exception when new duration is less than a buffered coded frame presentation time");
mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
{
assert_less_than(segmentInfo.duration, 60, 'Sufficient test media duration');
sourceBuffer.appendBuffer(mediaData);
test.expectEvent(sourceBuffer, 'updateend', 'Media data appended to the SourceBuffer');
test.waitForExpectedEvents(function()
{
mediaSource.duration = 60;
assert_false(sourceBuffer.updating, 'No SourceBuffer update when duration is increased');
test.done();
});
}, 'Increasing the duration does not trigger any SourceBuffer update');
mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
{
assert_greater_than(segmentInfo.duration, 2, 'Sufficient test media duration');
mediaElement.play();
sourceBuffer.appendBuffer(mediaData);
test.expectEvent(sourceBuffer, 'updateend', 'Media data appended to the SourceBuffer');
test.waitForExpectedEvents(function()
{
mediaSource.duration = 60;
assert_false(sourceBuffer.updating, 'No SourceBuffer update when duration is increased');
test.done();
});
}, 'Increasing the duration during media playback does not trigger any SourceBuffer update');
</script>
</body>
</html>
|
