зеркало из https://github.com/mozilla/gecko-dev.git
78 строки
2.8 KiB
HTML
78 строки
2.8 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=1022913
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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 1022913</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=1022913">Mozilla Bug 1022913</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 that if we're doing a fastSeek() forwards that we don't end up
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// seeking backwards. This can happen if the keyframe before the seek
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// target is before the current playback position. We'd prefer to seek to
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// the keyframe after the seek target in this case, but we don't implement
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// this yet (bug 1026330).
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var manager = new MediaTestManager;
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var onSecondSeekComplete = function(event) {
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var v = event.target;
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v.removeEventListener("seeked", onSecondSeekComplete);
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ok(v.currentTime >= v.firstSeekTarget, v.name + " seek never go backwards. time=" + v.currentTime + " firstSeekTarget=" + v.firstSeekTarget + " secondSeekTarget=" + v.secondSeekTarget);
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manager.finished(v.token);
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removeNodeAndSource(v);
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};
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var onFirstSeekComplete = function(event) {
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var v = event.target;
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v.removeEventListener("seeked", onFirstSeekComplete);
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// Seek to 75% of the way between the start and the first keyframe
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// using fastSeek. We then test that the currentTime doesn't drop back
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// to the previous keyframe, currentTime should go forwards.
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v.addEventListener("seeked", onSecondSeekComplete);
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v.secondSeekTarget = v.keyframes[1] * 0.75;
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v.fastSeek(v.secondSeekTarget);
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}
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var onLoadedMetadata = function(event) {
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// Seek to the mid-point between the start and the first keyframe.
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var v = event.target;
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v.removeEventListener("loadedmetadata", onLoadedMetadata);
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v.addEventListener("seeked", onFirstSeekComplete);
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v.firstSeekTarget = v.keyframes[1] * 0.5;
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v.currentTime = v.firstSeekTarget;
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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 >= 2, v.name + " - video should have at least two sync points");
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v.addEventListener("loadedmetadata", onLoadedMetadata);
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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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