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
|
<!DOCTYPE html>
<!-- Copyright © 2016 Chromium authors and World Wide Web Consortium, (Massachusetts Institute of Technology, ERCIM, Keio University, Beihang). -->
<meta charset="utf-8">
<title>Checks setting/clearing the live seekable range and HTMLMediaElement.seekable</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="mediasource-util.js"></script>
<script>
test(function(test)
{
var mediaSource = new MediaSource();
assert_equals(mediaSource.readyState, "closed", "media source is closed.");
assert_throws_dom("InvalidStateError", function() { mediaSource.setLiveSeekableRange(0, 1); });
}, "setLiveSeekableRange throws an InvalidStateError exception if the readyState attribute is not 'open'");
test(function(test)
{
var mediaSource = new MediaSource();
assert_equals(mediaSource.readyState, "closed", "media source is closed.");
assert_throws_dom("InvalidStateError", function() { mediaSource.clearLiveSeekableRange(); });
}, "clearLiveSeekableRange throws an InvalidStateError exception if the readyState attribute is not 'open'");
mediasource_test(function(test, mediaElement, mediaSource)
{
mediaElement.addEventListener('error', test.unreached_func("Unexpected event 'error'"));
var mimetype = MediaSourceUtil.AUDIO_VIDEO_TYPE;
var sourceBuffer = mediaSource.addSourceBuffer(mimetype);
sourceBuffer.appendBuffer(new Uint8Array(0));
assert_true(sourceBuffer.updating, "Updating set when a buffer is appended.");
mediaSource.setLiveSeekableRange(0, 1);
test.done();
}, "setLiveSeekableRange does not restrict to not currently updating");
mediasource_test(function(test, mediaElement, mediaSource)
{
mediaElement.addEventListener('error', test.unreached_func("Unexpected event 'error'"));
var mimetype = MediaSourceUtil.AUDIO_VIDEO_TYPE;
var sourceBuffer = mediaSource.addSourceBuffer(mimetype);
sourceBuffer.appendBuffer(new Uint8Array(0));
assert_true(sourceBuffer.updating, "Updating set when a buffer is appended.");
mediaSource.clearLiveSeekableRange();
test.done();
}, "clearLiveSeekableRange does not restrict to not currently updating");
mediasource_test(function(test, mediaElement, mediaSource)
{
mediaElement.addEventListener('error', test.unreached_func("Unexpected event 'error'"));
assert_throws_js(TypeError, function() { mediaSource.setLiveSeekableRange(-1, 1); });
test.done();
}, "setLiveSeekableRange throws a TypeError if start is negative");
mediasource_test(function(test, mediaElement, mediaSource)
{
mediaElement.addEventListener('error', test.unreached_func("Unexpected event 'error'"));
assert_throws_js(TypeError, function() { mediaSource.setLiveSeekableRange(2, 1); });
test.done();
}, "setLiveSeekableRange throws a TypeError if start is greater than end");
mediasource_test(function(test, mediaElement, mediaSource)
{
mediaElement.addEventListener('error', test.unreached_func("Unexpected event 'error'"));
mediaSource.setLiveSeekableRange(0, 1);
test.done();
}, "setLiveSeekableRange returns with no error when conditions are correct");
mediasource_test(function(test, mediaElement, mediaSource)
{
mediaElement.addEventListener('error', test.unreached_func("Unexpected event 'error'"));
mediaSource.clearLiveSeekableRange();
test.done();
}, "clearLiveSeekableRange returns with no error when conditions are correct");
mediasource_test(function(test, mediaElement, mediaSource)
{
mediaSource.duration = +Infinity;
mediaSource.setLiveSeekableRange(1, 2);
assert_equals(mediaElement.seekable.length, 1,
'The seekable attribute contains a single range.');
assertSeekableEquals(mediaElement, '{ [1.000, 2.000) }',
'The seekable attribute returns the correct range.');
mediaSource.clearLiveSeekableRange();
assertSeekableEquals(mediaElement, '{ }',
'The seekable attribute now returns an empty range.');
test.done();
}, "HTMLMediaElement.seekable returns the live seekable range or an empty range if that range was cleared when nothing is buffered");
mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
{
var initSegment = MediaSourceUtil.extractSegmentData(mediaData, segmentInfo.init);
test.expectEvent(sourceBuffer, 'updateend', 'Init segment appended to SourceBuffer.');
sourceBuffer.appendBuffer(initSegment);
test.waitForExpectedEvents(function()
{
mediaSource.duration = +Infinity;
mediaSource.setLiveSeekableRange(40, 42);
// Append a segment that starts after 1s to ensure seekable
// won't use 0 as starting point.
var midSegment = MediaSourceUtil.extractSegmentData(mediaData, segmentInfo.media[5]);
test.expectEvent(sourceBuffer, 'updateend');
sourceBuffer.appendBuffer(midSegment);
test.waitForExpectedEvents(function()
{
assert_equals(mediaElement.seekable.length, 1,
'The seekable attribute contains a single range.');
assert_equals(mediaElement.buffered.length, 1,
'The buffered attribute contains a single range.');
assert_not_equals(mediaElement.seekable.start(0), 0,
'The range starts after 0.');
assert_equals(mediaElement.seekable.start(0), mediaElement.buffered.start(0),
'The start time is the start time of the buffered range.');
assert_equals(mediaElement.seekable.end(0), 42,
'The end time is the end time of the seekable range.');
mediaSource.clearLiveSeekableRange();
assert_equals(mediaElement.seekable.length, 1,
'The seekable attribute contains a single range.');
assert_equals(mediaElement.seekable.start(0), 0,
'The start time is now 0.');
assert_equals(mediaElement.seekable.end(0), mediaElement.buffered.end(0),
'The end time is now the end time of the buffered range.');
test.done();
});
});
}, 'HTMLMediaElement.seekable returns the union of the buffered range and the live seekable range, when set');
</script>
|
