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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1022913
-->
<head>
<meta charset="utf-8">
<title>Test for Bug 1022913</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=1022913">Mozilla Bug 1022913</a>
<p id="display"></p>
<div id="content" style="display: none">
</div>
<pre id="test">
</pre>
<script type="application/javascript">
// Test that if we're doing a fastSeek() forwards that we don't end up
// seeking backwards. This can happen if the keyframe before the seek
// target is before the current playback position. We'd prefer to seek to
// the keyframe after the seek target in this case, but we don't implement
// this yet (bug 1026330).
var manager = new MediaTestManager;
var onSecondSeekComplete = function(event) {
var v = event.target;
v.removeEventListener("seeked", onSecondSeekComplete);
ok(v.currentTime >= v.firstSeekTarget, v.name + " seek never go backwards. time=" + v.currentTime + " firstSeekTarget=" + v.firstSeekTarget + " secondSeekTarget=" + v.secondSeekTarget);
manager.finished(v.token);
removeNodeAndSource(v);
};
var onFirstSeekComplete = function(event) {
var v = event.target;
v.removeEventListener("seeked", onFirstSeekComplete);
// Seek to 75% of the way between the start and the first keyframe
// using fastSeek. We then test that the currentTime doesn't drop back
// to the previous keyframe, currentTime should go forwards.
v.addEventListener("seeked", onSecondSeekComplete);
v.secondSeekTarget = v.keyframes[1] * 0.75;
v.fastSeek(v.secondSeekTarget);
}
var onLoadedMetadata = function(event) {
// Seek to the mid-point between the start and the first keyframe.
var v = event.target;
v.removeEventListener("loadedmetadata", onLoadedMetadata);
v.addEventListener("seeked", onFirstSeekComplete);
v.firstSeekTarget = v.keyframes[1] * 0.5;
v.currentTime = v.firstSeekTarget;
}
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 >= 2, v.name + " - video should have at least two sync points");
v.addEventListener("loadedmetadata", onLoadedMetadata);
document.body.appendChild(v);
}
manager.runTests(gFastSeekTests, startTest);
</script>
</body>
</html>
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