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+<!DOCTYPE html>
+<html><head>
+<meta http-equiv="content-type" content="text/html; charset=windows-1252">
+ <title>MSE: |waiting| event when source data is missing</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();
+
+runWithMSE(async (ms, el) => {
+ el.controls = true;
+ await once(ms, "sourceopen");
+ ok(true, "Receive a sourceopen event");
+ const audiosb = ms.addSourceBuffer("audio/mp4");
+ const videosb = ms.addSourceBuffer("video/mp4");
+ await fetchAndLoad(audiosb, "bipbop/bipbop_audio", ["init"], ".mp4");
+ await fetchAndLoad(audiosb, "bipbop/bipbop_audio", range(1, 5), ".m4s");
+ await fetchAndLoad(audiosb, "bipbop/bipbop_audio", range(6, 12), ".m4s");
+ await fetchAndLoad(videosb, "bipbop/bipbop_video", ["init"], ".mp4");
+ await fetchAndLoad(videosb, "bipbop/bipbop_video", range(1, 6), ".m4s");
+ await fetchAndLoad(videosb, "bipbop/bipbop_video", range(7, 14), ".m4s");
+ // HTMLMediaElement fires "waiting" if somebody invokes |play()| before the MDSM
+ // has notified it of available data. Make sure that we get "playing" before
+ // we starting waiting for "waiting".
+ info("Invoking play()");
+ let p = once(el, "playing");
+ el.play();
+ await p;
+ ok(true, "Video playing. It should play for a bit, then fire 'waiting'");
+ p = once(el, "waiting");
+ el.play();
+ await p;
+ // currentTime is based on the current video frame, so if the audio ends just before
+ // the next video frame, currentTime can be up to 1 frame's worth earlier than
+ // min(audioEnd, videoEnd).
+ // 0.0465 is the length of the last audio frame.
+ ok(el.currentTime >= (Math.min(audiosb.buffered.end(0), videosb.buffered.end(0)) - 0.0465),
+ `Got a waiting event at ${el.currentTime}`);
+ info("Loading more data");
+ p = once(el, "ended");
+ await Promise.all([
+ fetchAndLoad(audiosb, "bipbop/bipbop_audio", [5], ".m4s"),
+ fetchAndLoad(videosb, "bipbop/bipbop_video", [6], ".m4s"),
+ ]);
+ ms.endOfStream();
+ await p;
+ // These fuzz factors are bigger than they should be. We should investigate
+ // and fix them in bug 1137574.
+ isfuzzy(el.duration, 10.1, 0.1, "Video has correct duration: " + el.duration);
+ isfuzzy(el.currentTime, el.duration, 0.1, "Video has correct currentTime.");
+ SimpleTest.finish();
+});
+
+</script>
+</pre>
+</body>
+</html>