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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
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dom/media/mediasource/test/test_Eviction_mp4.html Normal file
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<!DOCTYPE html>
<html><head>
<meta http-equiv="content-type" content="text/html; charset=windows-1252">
<title>MSE: QuotaExceededError when source buffer is full</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();
// We fill up the source buffer with audio data until the buffer is full.
// We ensure that QuotaExceededError is thrown once the buffer is full.
// We then seek to half the content. By that time, another appendBuffer must succeed
// as the auto-eviction would succeed (removing all data prior currentTime)
// Fill up the SourceBuffer by appending data repeatedly via doAppendDataFunc until
// an exception is thrown.
function fillUpSourceBuffer(sourceBuffer, doAppendDataFunc, onCaughtExceptionCallback) {
// We are appending data repeatedly in sequence mode, there should be no gaps.
ok(sourceBuffer.buffered.length <= 1, "there should be no gap in buffered ranges.");
try {
doAppendDataFunc();
} catch(ex) {
onCaughtExceptionCallback(ex);
return;
}
once(sourceBuffer, 'updateend', () => {
fillUpSourceBuffer(sourceBuffer, doAppendDataFunc, onCaughtExceptionCallback);
});
}
runWithMSE(function(ms, el) {
el.controls = true;
once(ms, 'sourceopen').then(function() {
ok(true, "Receive a sourceopen event");
SpecialPowers.pushPrefEnv({
"set": [
["media.mediasource.eviction_threshold.audio", 524288],
]
}, function() {
let audiosb = ms.addSourceBuffer("audio/mp4");
audiosb.mode = "sequence";
fetchAndLoad(audiosb, 'bipbop/bipbop_audio', ['init'], '.mp4')
.then(function() {
fetchWithXHR('bipbop/bipbop_audio1.m4s', function(audioBuffer) {
fillUpSourceBuffer(audiosb,
function() { // doAppendDataFunc
audiosb.appendBuffer(audioBuffer);
},
function(ex) { // onCaughtExceptionCallback
is(ex.name, 'QuotaExceededError', "QuotaExceededError thrown");
is(audiosb.buffered.end(0), el.duration, "Duration is end of buffered range");
let seekTime = audiosb.buffered.end(0) / 2;
el.currentTime = seekTime;
once(el, 'seeked', () => {
is(el.currentTime, seekTime, "correctly seeked to " + seekTime);
try {
audiosb.appendBuffer(audioBuffer);
} catch(ex) {
ok(false, "Shouldn't throw another time when data can be evicted");
el.mozDumpDebugInfo();
SimpleTest.finish();
return;
}
once(audiosb, 'update', () => {
ok(true, "appendBuffer succeeded");
SimpleTest.finish();
});
});
});
});
});
});
});
});
</script>
</pre>
</body>
</html>