forked from mirrors/gecko-dev
6a96b612b6
Backed out changeset 61a4022333fa (bug 1556854) Backed out changeset cfd809c63877 (bug 1556854) Backed out changeset 057cc9878594 (bug 1556854) Backed out changeset 0f02ff8a5c67 (bug 1556854) Backed out changeset 8719996c65b3 (bug 1556854)
88 lines
3 KiB
HTML
88 lines
3 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=778077
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-->
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<head>
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<meta charset="utf-8">
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<title>Test for Bug 778077</title>
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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<script type="text/javascript" src="manifest.js"></script>
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</head>
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<body>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=778077">Mozilla Bug 778077</a>
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<p id="display"></p>
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<div id="content" style="display: none">
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</div>
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<pre id="test">
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</pre>
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<script type="application/javascript">
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/** Test for Bug 778077 - HTMLMediaElement.fastSeek() **/
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// Iterate through a list of keyframe timestamps, and seek to
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// halfway between the keyframe and the keyframe after it.
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var manager = new MediaTestManager;
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function doSeek(v) {
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// fastSeek to half way between this keyframe and the next, or if this is the last
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// keyframe seek to halfway between this keyframe and the end of media.
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var nextKeyFrame = (v.keyframeIndex + 1) < v.keyframes.length ? v.keyframes[v.keyframeIndex + 1] : v.duration;
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v.target = (v.keyframes[v.keyframeIndex] + nextKeyFrame) / 2;
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v.fastSeek(v.target);
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ok(Math.abs(v.currentTime - v.target) < 0.01,
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v.name + " seekTo=" + v.target + " currentTime (" + v.currentTime + ") should be close to seek target initially");
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}
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function onloadedmetadata(event) {
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var v = event.target;
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doSeek(v);
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}
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function onseeked(event) {
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var v = event.target;
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var keyframe = v.keyframes[v.keyframeIndex];
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// Check that the current time ended up roughly after the keyframe.
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// We must be a bit fuzzy here, as the decoder backend may actually
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// seek to the audio sample prior to the keyframe.
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ok(v.currentTime >= keyframe - 0.05,
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v.name + " seekTo=" + v.target + " currentTime (" + v.currentTime +
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") should be end up roughly after keyframe (" + keyframe + ") after fastSeek");
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ok(v.currentTime <= v.target,
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v.name + " seekTo=" + v.target + " currentTime (" + v.currentTime +
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") should be end up less than target after fastSeek");
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v.keyframeIndex++
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if (v.keyframeIndex == v.keyframes.length) {
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v.src = "";
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v.remove();
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manager.finished(v.token);
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} else {
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doSeek(v);
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}
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}
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function startTest(test, token) {
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manager.started(token);
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v = document.createElement("video");
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v.src = test.name;
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v.name = test.name;
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v.preload = "metadata";
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v.token = token;
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v.target = 0;
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v.keyframes = test.keyframes;
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v.keyframeIndex = 0;
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ok(v.keyframes.length > 0, v.name + " - video should have at least one sync point");
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v.addEventListener("loadedmetadata", onloadedmetadata);
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v.addEventListener("seeked", onseeked);
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document.body.appendChild(v);
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}
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manager.runTests(gFastSeekTests, startTest);
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</script>
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</body>
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</html>
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