gecko/content/media/mediasource/test/test_MediaSource.html

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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();
addLoadEvent(function () {
ok(!window.MediaSource && !window.SourceBuffer && !window.SourceBufferList,
"MediaSource should be hidden behind a pref");
SimpleTest.doesThrow(() => new MediaSource, "MediaSource should be hidden behind a pref");
});
runWithMSE(function () {
SimpleTest.doesThrow(() => new SourceBuffer, "new SourceBuffer should fail");
SimpleTest.doesThrow(() => new SourceBufferList, "new SourceBufferList direct should fail");
var ms = new MediaSource();
ok(ms, "Create a MediaSource object");
ok(ms instanceof EventTarget, "MediaSource must be an EventTarget");
is(ms.readyState, "closed", "New MediaSource must be in closed state");
// Wrapper creation, tests for leaks.
SpecialPowers.wrap(ms);
// Set an expando to force wrapper creation, tests for leaks.
ms.foo = null;
var o = URL.createObjectURL(ms);
ok(o, "Create an objectURL from the MediaSource");
var v = document.createElement("video");
v.preload = "auto";
v.src = o;
document.body.appendChild(v);
ms.addEventListener("sourceopen", function () {
ok(true, "Receive a sourceopen event");
is(ms.readyState, "open", "MediaSource must be in open state after sourceopen");
var sb = ms.addSourceBuffer("video/webm");
ok(sb, "Create a SourceBuffer");
is(ms.sourceBuffers.length, 1, "MediaSource.sourceBuffers is expected length");
is(ms.sourceBuffers[0], sb, "SourceBuffer in list matches our SourceBuffer");
is(ms.activeSourceBuffers[0], sb, "SourceBuffer in active list matches our SourceBuffer");
fetchWithXHR("seek.webm", function (arrayBuffer) {
sb.appendBuffer(new Uint8Array(arrayBuffer));
is(sb.updating, true, "SourceBuffer.updating is expected value after appendBuffer");
});
sb.addEventListener("update", function () {
is(sb.updating, false, "SourceBuffer.updating is expected value in update event");
ms.endOfStream();
});
sb.addEventListener("updateend", function () {
is(sb.updating, false, "SourceBuffer.updating is expected value in updateend event");
v.play();
});
});
ms.addEventListener("sourceended", function () {
ok(true, "Receive a sourceended event");
is(ms.readyState, "ended", "MediaSource must be in ended state after sourceended");
});
v.addEventListener("ended", function () {
is(v.duration, 4, "Video has correct duration");
is(v.currentTime, 4, "Video has played to end");
v.parentNode.removeChild(v);
SimpleTest.finish();
});
});
</script>
</pre>
</body>
</html>