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+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=778077
+-->
+<head>
+ <meta charset="utf-8">
+ <title>Test for Bug 778077</title>
+ <script src="/tests/SimpleTest/SimpleTest.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+ <script type="text/javascript" src="manifest.js"></script>
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=778077">Mozilla Bug 778077</a>
+<p id="display"></p>
+<div id="content" style="display: none">
+
+</div>
+<pre id="test">
+</pre>
+ <script type="application/javascript">
+
+ /** Test for Bug 778077 - HTMLMediaElement.fastSeek() **/
+ // Iterate through a list of keyframe timestamps, and seek to
+ // halfway between the keyframe and the keyframe after it.
+ var manager = new MediaTestManager;
+
+ function doSeek(v) {
+ // fastSeek to half way between this keyframe and the next, or if this is the last
+ // keyframe seek to halfway between this keyframe and the end of media.
+ var nextKeyFrame = (v.keyframeIndex + 1) < v.keyframes.length ? v.keyframes[v.keyframeIndex + 1] : v.duration;
+ v.target = (v.keyframes[v.keyframeIndex] + nextKeyFrame) / 2;
+ v.fastSeek(v.target);
+ ok(Math.abs(v.currentTime - v.target) < 0.01,
+ v.name + " seekTo=" + v.target + " currentTime (" + v.currentTime + ") should be close to seek target initially");
+ }
+
+ function onloadedmetadata(event) {
+ var v = event.target;
+ doSeek(v);
+ }
+
+ function onseeked(event) {
+ var v = event.target;
+ var keyframe = v.keyframes[v.keyframeIndex];
+
+ // Check that the current time ended up roughly after the keyframe.
+ // We must be a bit fuzzy here, as the decoder backend may actually
+ // seek to the audio sample prior to the keyframe.
+ ok(v.currentTime >= keyframe - 0.05,
+ v.name + " seekTo=" + v.target + " currentTime (" + v.currentTime +
+ ") should be end up roughly after keyframe (" + keyframe + ") after fastSeek");
+
+ ok(v.currentTime <= v.target,
+ v.name + " seekTo=" + v.target + " currentTime (" + v.currentTime +
+ ") should be end up less than target after fastSeek");
+
+ v.keyframeIndex++
+ if (v.keyframeIndex == v.keyframes.length) {
+ v.src = "";
+ v.remove();
+ manager.finished(v.token);
+ } else {
+ doSeek(v);
+ }
+ }
+
+ function startTest(test, token) {
+ manager.started(token);
+ let v = document.createElement("video");
+ v.src = test.name;
+ v.name = test.name;
+ v.preload = "metadata";
+ v.token = token;
+ v.target = 0;
+ v.keyframes = test.keyframes;
+ v.keyframeIndex = 0;
+ ok(v.keyframes.length, v.name + " - video should have at least one sync point");
+ v.addEventListener("loadedmetadata", onloadedmetadata);
+ v.addEventListener("seeked", onseeked);
+ document.body.appendChild(v);
+ }
+
+ manager.runTests(gFastSeekTests, startTest);
+
+ </script>
+</body>
+</html>