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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
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Add m-esr52 at 52.6.0
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+<!DOCTYPE HTML>
+<html>
+<head>
+ <title>MSE: truncating the media seeks to end of media and update 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">
+
+// This test append data to a mediasource and then seek to half the duration
+// of the video.
+// We then shorten the video to 1/3rd of its original size.
+// We ensure that the buffered range immediately reflect the truncation
+// and that we've seeked to the new end of the media as per W3C spec and
+// video.currentTime got updated.
+
+SimpleTest.waitForExplicitFinish();
+
+function round(n) {
+ return Math.round(n * 1000) / 1000;
+}
+
+function do_seeking(e) {
+ var v = e.target;
+ v.removeEventListener("seeking", do_seeking, false);
+ SimpleTest.finish();
+}
+
+function do_seeked(e) {
+ var v = e.target;
+ v.removeEventListener("seeked", do_seeked, false);
+ var duration = round(v.duration / 3);
+ is(v._sb.updating, false, "sourcebuffer isn't updating");
+ v._sb.remove(duration, Infinity);
+ once(v._sb, "updateend", function() {
+ v._ms.duration = duration
+ // frames aren't truncated, so duration may be slightly more.
+ isfuzzy(v.duration, duration, 1/30, "element duration was updated");
+ v._sb.abort(); // this shouldn't abort updating the duration (bug 1130826).
+ ok(v.seeking, "seeking is true");
+ // test playback position was updated (bug 1130839).
+ is(v.currentTime, v.duration, "current time was updated");
+ is(v._sb.buffered.length, 1, "One buffered range");
+ // Truncated mediasource duration will cause the video element to seek.
+ v.addEventListener("seeking", do_seeking, false);
+ });
+}
+
+function do_loaded(e) {
+ var v = e.target;
+ v.removeEventListener("loadeddata", do_loaded, false);
+ // mp4 metadata states 10s when we only have 1.6s worth of video.
+ v._sb.remove(v._sb.buffered.end(0), Infinity);
+ once(v._sb, "updateend", function() {
+ v._ms.duration = v._sb.buffered.end(0);
+ is(v.duration, v._ms.duration, "current time updated with mediasource duration");
+ v.currentTime = v.duration / 2;
+ is(v.currentTime, v.duration / 2, "current time was updated");
+ ok(v.seeking, "seeking is true");
+ v.addEventListener("seeked", do_seeked, false);
+ });
+}
+
+runWithMSE(function (ms, v) {
+ ms.addEventListener("sourceopen", function () {
+ var sb = ms.addSourceBuffer("video/mp4");
+ v._sb = sb;
+ v._ms = ms;
+
+ fetchWithXHR("bipbop/bipbop2s.mp4", function (arrayBuffer) {
+ sb.appendBuffer(new Uint8Array(arrayBuffer));
+ v.addEventListener("loadeddata", do_loaded, false);
+ });
+ });
+});
+
+</script>
+</pre>
+</body>
+</html>