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+<!DOCTYPE HTML>
+<html>
+<head>
+ <title>MSE: basic functionality</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, v) => {
+ SimpleTest.doesThrow(() => new SourceBuffer, "new SourceBuffer should fail");
+ SimpleTest.doesThrow(() => new SourceBufferList, "new SourceBufferList direct should fail");
+
+ 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;
+
+ ok(URL.createObjectURL(ms), "Create an objectURL from the MediaSource");
+
+ let loadedmetadataCount = 0;
+ let updatestartCount = 0;
+ let updateendCount = 0;
+ let updateCount = 0;
+
+ ok(MediaSource.isTypeSupported("video/webm; codecs=vp8"), "VP8 MSE is always supported");
+ ok(MediaSource.isTypeSupported("audio/webm"), "Audio MSE is always supported");
+
+ await once(ms, "sourceopen");
+ ok(true, "Receive a sourceopen event");
+ is(ms.readyState, "open", "MediaSource must be in open state after sourceopen");
+ const 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.length, 0, "MediaSource.activeSourceBuffers is expected length");
+
+ sb.appendBuffer(new Uint8Array(await fetchWithXHR("seek.webm")));
+ is(sb.updating, true, "SourceBuffer.updating is expected value after appendBuffer");
+
+ sb.addEventListener("update", () => {
+ is(sb.updating, false, "SourceBuffer.updating is expected value in update event");
+ 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();
+ }
+ });
+
+ sb.addEventListener("updatestart", () => updatestartCount++);
+
+ sb.addEventListener("updateend", () => {
+ is(ms.activeSourceBuffers[0], sb, "SourceBuffer in active list matches our SourceBuffer");
+ is(sb.updating, false, "SourceBuffer.updating is expected value in updateend event");
+ updateendCount++;
+ v.play();
+ });
+
+ ms.addEventListener("sourceended", () => {
+ ok(true, "Receive a sourceended event");
+ is(ms.readyState, "ended", "MediaSource must be in ended state after sourceended");
+ });
+
+ v.addEventListener("loadedmetadata", () => loadedmetadataCount++);
+
+ await once(v, "ended");
+ // XXX: Duration should be exactly 4.0, see bug 1065207.
+ ok(Math.abs(v.duration - 4) <= 0.002, "Video has correct duration");
+ ok(Math.abs(v.currentTime - 4) <= 0.002, "Video has played to end");
+ // XXX: 2 update events can be received dueto duration differences, see bug 1065207.
+ ok(updateCount == 1 || updateCount == 2, "update event received");
+ ok(updateendCount == 1 || updateendCount == 2, "updateend event received");
+ ok(updatestartCount == 1 || updatestartCount == 2, "updatestart event received");
+ is(loadedmetadataCount, 1, "loadedmetadata event received");
+ SimpleTest.finish();
+});
+
+</script>
+</pre>
+</body>
+</html>