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<!DOCTYPE HTML>
<html>
<head>
<title>MSE: basic functionality</title>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="text/javascript" src="mediasource.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<pre id="test">
<script class="testbody" type="text/javascript">
SimpleTest.waitForExplicitFinish();
function range(start, end) {
var rv = [];
for (var i = start; i < end; ++i) {
rv.push(i);
}
return rv;
}
var eps = 0.01;
runWithMSE(function(ms, el) {
once(ms, 'sourceopen').then(function() {
ok(true, "Receive a sourceopen event");
var audiosb = ms.addSourceBuffer("audio/mp4");
var videosb = ms.addSourceBuffer("video/mp4");
// We divide the video into 3 chunks:
// chunk 0: segments 1-4
// chunk 1: segments 5-8
// chunk 2: segments 9-13
// We then fill the timeline so that it seamlessly plays the chunks in order 0, 2, 1.
var vchunks = [ {start: 0, end: 3.2033}, { start: 3.2033, end: 6.4066}, { start: 6.4066, end: 10.01} ];
var firstvoffset = vchunks[2].end - vchunks[2].start; // Duration of chunk 2
var secondvoffset = -(vchunks[1].end - vchunks[1].start); // -(Duration of chunk 1)
fetchAndLoad(videosb, 'bipbop/bipbop_video', ['init'], '.mp4')
.then(fetchAndLoad.bind(null, videosb, 'bipbop/bipbop_video', range(1, 5), '.m4s'))
.then(function() {
is(videosb.buffered.length, 1, "No discontinuity");
isfuzzy(videosb.buffered.start(0), vchunks[0].start, eps, "Chunk start");
isfuzzy(videosb.buffered.end(0), vchunks[0].end, eps, "Chunk end");
videosb.timestampOffset = firstvoffset;
return fetchAndLoad(videosb, 'bipbop/bipbop_video', range(5, 9), '.m4s');
})
.then(function(data) {
is(videosb.buffered.length, 2, "One discontinuity");
isfuzzy(videosb.buffered.start(0), vchunks[0].start, eps, "First Chunk start");
isfuzzy(videosb.buffered.end(0), vchunks[0].end, eps, "First chunk end");
isfuzzy(videosb.buffered.start(1), vchunks[1].start + firstvoffset, eps, "Second chunk start");
isfuzzy(videosb.buffered.end(1), vchunks[1].end + firstvoffset, eps, "Second chunk end");
videosb.timestampOffset = secondvoffset;
return fetchAndLoad(videosb, 'bipbop/bipbop_video', range(9, 14), '.m4s');
})
.then(function() {
is(videosb.buffered.length, 1, "No discontinuity (end)");
isfuzzy(videosb.buffered.start(0), vchunks[0].start, eps, "Chunk start");
isfuzzy(videosb.buffered.end(0), vchunks[2].end, eps, "Chunk end");
audiosb.timestampOffset = 3;
}).then(fetchAndLoad.bind(null, audiosb, 'bipbop/bipbop_audio', ['init'], '.mp4'))
.then(fetchAndLoad.bind(null, audiosb, 'bipbop/bipbop_audio', range(1, 12), '.m4s'))
.then(function() {
is(audiosb.buffered.length, 1, "No audio discontinuity");
isfuzzy(audiosb.buffered.start(0), 3, eps, "Audio starts at 3");
// Trim the rest of the audio.
audiosb.remove(videosb.buffered.end(0), Infinity);
videosb.remove(videosb.buffered.end(0), Infinity);
return Promise.all([audiosb.updating ? once(audiosb, 'updateend') : Promise.resolve(),
videosb.updating ? once(videosb, 'updateend') : Promise.resolve()]);
}).then(function() {
info("waiting for play to complete");
el.play();
el.currentTime = el.buffered.start(0);
ms.endOfStream();
Promise.all([once(el, 'ended'), once(el, 'seeked')]).then(SimpleTest.finish.bind(SimpleTest));
});
});
});
</script>
</pre>
</body>
</html>
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