1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/media/test/test_fastSeek.html Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,88 @@
1.4 +<!DOCTYPE HTML>
1.5 +<html>
1.6 +<!--
1.7 +https://bugzilla.mozilla.org/show_bug.cgi?id=778077
1.8 +-->
1.9 +<head>
1.10 + <meta charset="utf-8">
1.11 + <title>Test for Bug 778077</title>
1.12 + <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
1.13 + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
1.14 + <script type="text/javascript" src="manifest.js"></script>
1.15 +</head>
1.16 +<body>
1.17 +<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=778077">Mozilla Bug 778077</a>
1.18 +<p id="display"></p>
1.19 +<div id="content" style="display: none">
1.20 +
1.21 +</div>
1.22 +<pre id="test">
1.23 +</pre>
1.24 + <script type="application/javascript">
1.25 +
1.26 + /** Test for Bug 778077 - HTMLMediaElement.fastSeek() **/
1.27 + // Iterate through a list of keyframe timestamps, and seek to
1.28 + // halfway between the keyframe and the keyframe after it.
1.29 + var manager = new MediaTestManager;
1.30 +
1.31 + function doSeek(v) {
1.32 + // fastSeek to half way between this keyframe and the next, or if this is the last
1.33 + // keyframe seek to halfway between this keyframe and the end of media.
1.34 + var nextKeyFrame = (v.keyframeIndex + 1) < v.keyframes.length ? v.keyframes[v.keyframeIndex + 1] : v.duration;
1.35 + v.target = (v.keyframes[v.keyframeIndex] + nextKeyFrame) / 2;
1.36 + v.fastSeek(v.target);
1.37 + ok(Math.abs(v.currentTime - v.target) < 0.01,
1.38 + v.name + " seekTo=" + v.target + " currentTime (" + v.currentTime + ") should be close to seek target initially");
1.39 + }
1.40 +
1.41 + function onloadedmetadata(event) {
1.42 + var v = event.target;
1.43 + doSeek(v);
1.44 + }
1.45 +
1.46 + function onseeked(event) {
1.47 + var v = event.target;
1.48 + var keyframe = v.keyframes[v.keyframeIndex];
1.49 +
1.50 + // Check that the current time ended up roughly after the keyframe.
1.51 + // We must be a bit fuzzy here, as the decoder backend may actually
1.52 + // seek to the audio sample prior to the keyframe.
1.53 + ok(v.currentTime >= keyframe - 0.05,
1.54 + v.name + " seekTo=" + v.target + " currentTime (" + v.currentTime +
1.55 + ") should be end up roughly after keyframe (" + keyframe + ") after fastSeek");
1.56 +
1.57 + ok(v.currentTime <= v.target,
1.58 + v.name + " seekTo=" + v.target + " currentTime (" + v.currentTime +
1.59 + ") should be end up less than target after fastSeek");
1.60 +
1.61 + v.keyframeIndex++
1.62 + if (v.keyframeIndex == v.keyframes.length) {
1.63 + v.src = "";
1.64 + v.parentNode.removeChild(v);
1.65 + manager.finished(v.token);
1.66 + } else {
1.67 + doSeek(v);
1.68 + }
1.69 + }
1.70 +
1.71 + function startTest(test, token) {
1.72 + manager.started(token);
1.73 + v = document.createElement("video");
1.74 + v.src = test.name;
1.75 + v.name = test.name;
1.76 + v.preload = "metadata";
1.77 + v.token = token;
1.78 + v.target = 0;
1.79 + v.keyframes = test.keyframes;
1.80 + v.keyframeIndex = 0;
1.81 + ok(v.keyframes.length > 0, v.name + " - video should have at least one sync point");
1.82 + v.addEventListener("loadedmetadata", onloadedmetadata);
1.83 + v.addEventListener("seeked", onseeked);
1.84 + document.body.appendChild(v);
1.85 + }
1.86 +
1.87 + manager.runTests(gFastSeekTests, startTest);
1.88 +
1.89 + </script>
1.90 +</body>
1.91 +</html>
