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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
commit dcd9973243
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dom/media/mediasource/test/test_BufferedSeek.html Normal file
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<!DOCTYPE HTML>
<html>
<head>
<title>MSE: seeking in buffered range</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();
var updateCount = 0;
runWithMSE(function (ms, v) {
ms.addEventListener("sourceopen", function () {
var sb = ms.addSourceBuffer("video/webm");
fetchWithXHR("seek.webm", function (arrayBuffer) {
sb.appendBuffer(new Uint8Array(arrayBuffer));
sb.addEventListener("updateend", function () {
updateCount++;
/* Ensure that we endOfStream on the first update event only as endOfStream can
raise more if the duration of the last buffered range and the intial duration
differ. See bug 1065207 */
if (updateCount == 1) {
ms.endOfStream();
};
});
});
var target = 2;
v.addEventListener("loadedmetadata", function () {
if (v.currentTime != target &&
v.buffered.length &&
target >= v.buffered.start(0) &&
target < v.buffered.end(0)) {
v.currentTime = target;
}
});
var wasSeeking = false;
v.addEventListener("seeking", function () {
wasSeeking = true;
is(v.currentTime, target, "Video currentTime at target");
});
v.addEventListener("seeked", function () {
ok(wasSeeking, "Received expected seeking and seeked events");
is(v.currentTime, target, "Video currentTime at target");
SimpleTest.finish();
});
});
});
</script>
</pre>
</body>
</html>