зеркало из https://github.com/mozilla/gecko-dev.git
74 строки
2.3 KiB
HTML
74 строки
2.3 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<title>MSE: truncating the media seeks to end of media and update buffered range</title>
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<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<script type="text/javascript" src="mediasource.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
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</head>
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<body>
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<pre id="test">
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<script class="testbody" type="text/javascript">
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// This test append data to a mediasource and then seek to half the duration
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// of the video.
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// We then shorten the video to 1/3rd of its original size by modifying the
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// mediasource.duration attribute.
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// We ensure that the buffered range immediately reflect the truncation
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// and that we've seeked to the new end of the media as per W3C spec and
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// video.currentTime got updated.
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SimpleTest.waitForExplicitFinish();
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function round(n) {
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return Math.round(n * 1000) / 1000;
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}
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function do_seeking(e) {
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var v = e.target;
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v.removeEventListener("seeking", do_seeking, false);
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SimpleTest.finish();
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}
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function do_seeked(e) {
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var v = e.target;
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v.removeEventListener("seeked", do_seeked, false);
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var duration = round(v.duration / 3);
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v._ms.duration = duration
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v._sb.abort(); // this shouldn't abort updating the duration (bug 1130826).
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ok(v.seeking, "seeking is true");
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// test playback position was updated (bug 1130839).
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is(v.currentTime, duration, "current time was updated");
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is(v.duration, duration, "element duration was updated");
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is(v._sb.buffered.length, 1, "One buffered range");
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// Truncated mediasource duration will cause the video element to seek.
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v.addEventListener("seeking", do_seeking, false);
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}
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function do_loaded(e) {
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var v = e.target;
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v.removeEventListener("loadeddata", do_loaded, false);
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v.currentTime = v.duration / 2;
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is(v.currentTime, v.duration / 2, "current time was updated");
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ok(v.seeking, "seeking is true");
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v.addEventListener("seeked", do_seeked, false);
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}
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runWithMSE(function (ms, v) {
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ms.addEventListener("sourceopen", function () {
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var sb = ms.addSourceBuffer("video/webm");
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v._sb = sb;
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v._ms = ms;
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fetchWithXHR("seek.webm", function (arrayBuffer) {
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sb.appendBuffer(new Uint8Array(arrayBuffer));
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v.addEventListener("loadeddata", do_loaded, false);
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});
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});
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});
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</script>
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</pre>
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</body>
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</html>
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