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Test Info:

<!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 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)
addMSEPrefs(
["media.mediasource.eviction_threshold.audio", 524288],
["media.dormant-on-pause-timeout-ms", -1] // FIXME: bug 1319292
);
runWithMSE(async (ms, el) => {
el.controls = true;
await once(ms, "sourceopen");
ok(true, "Receive a sourceopen event");
const audiosb = ms.addSourceBuffer("audio/mp4");
audiosb.mode = "sequence";
await fetchAndLoad(audiosb, "bipbop/bipbop_audio", ["init"], ".mp4");
const audioBuffer = await fetchWithXHR("bipbop/bipbop_audio1.m4s");
await must_reject(async () => {
// We are appending data repeatedly in sequence mode, there should be no gaps.
while (true) {
ok(audiosb.buffered.length <= 1, "there should be no gap in buffered ranges.");
audiosb.appendBuffer(audioBuffer);
await once(audiosb, "updateend");
}
},
"Fill up SourceBuffer by appending data until an exception is thrown.",
"QuotaExceededError");
is(audiosb.buffered.end(0), el.duration, "Duration is end of buffered range");
const seekTime = audiosb.buffered.end(0) / 2;
el.currentTime = seekTime;
await once(el, "seeked");
dump("dump: seeked to " + seekTime);
is(el.currentTime, seekTime, "correctly seeked to " + seekTime);
try {
audiosb.appendBuffer(audioBuffer);
await once(audiosb, "update");
ok(true, "appendBuffer succeeded");
} catch (ex) {
ok(false, "Shouldn't throw another time when data can be evicted");
dump(JSON.stringify(await SpecialPowers.wrap(el).mozRequestDebugInfo()));
}
SimpleTest.finish();
});
</script>
</pre>
</body>
</html>