зеркало из https://github.com/mozilla/gecko-dev.git
106 строки
5.1 KiB
HTML
106 строки
5.1 KiB
HTML
<!DOCTYPE html>
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<!-- Copyright © 2016 Chromium authors and World Wide Web Consortium, (Massachusetts Institute of Technology, ERCIM, Keio University, Beihang). -->
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<html>
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<head>
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<title>Test MediaSource behavior when seeking beyond the duration of the clip.</title>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="mediasource-util.js"></script>
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</head>
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<body>
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<div id="log"></div>
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<script>
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function seekToSpecifiedTimeSetEOSAndVerifyDone(test, mediaElement, mediaSource, seekToTime)
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{
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assert_less_than(mediaElement.currentTime, mediaElement.duration, 'Not at the end yet.');
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test.expectEvent(mediaElement, 'seeking', 'mediaElement seeking');
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// Seek to specified time.
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mediaElement.currentTime = seekToTime;
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if (seekToTime >= mediaSource.duration) {
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assert_equals(mediaElement.currentTime, mediaSource.duration, 'Current time equals duration.');
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} else {
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assert_equals(mediaElement.currentTime, seekToTime, 'Current time equals specified seek time.');
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}
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test.waitForExpectedEvents(function()
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{
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test.expectEvent(mediaElement, 'timeupdate', 'mediaElement time updated.');
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test.expectEvent(mediaElement, 'seeked', 'mediaElement seeked');
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test.expectEvent(mediaElement, 'ended', 'mediaElement ended.');
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test.expectEvent(mediaSource, 'sourceended', 'mediaSource ended.');
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mediaSource.endOfStream();
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assert_true(mediaElement.seeking, 'mediaElement seeking.');
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});
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test.waitForExpectedEvents(function()
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{
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assert_equals(mediaElement.currentTime, mediaSource.duration, 'Current time equals duration.');
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test.done();
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});
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};
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mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
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{
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mediaElement.play();
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var initSegment = MediaSourceUtil.extractSegmentData(mediaData, segmentInfo.init);
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// Append the initialization segment to trigger a transition to HAVE_METADATA.
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test.expectEvent(sourceBuffer, 'updateend', 'sourceBuffer end update.');
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test.expectEvent(mediaElement, 'loadedmetadata', 'Reached HAVE_METADATA');
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sourceBuffer.appendBuffer(initSegment);
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test.waitForExpectedEvents(function()
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{
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// Add sufficient segments to have at least 2s of play-time.
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var playbackData = MediaSourceUtil.getMediaDataForPlaybackTime(mediaData, segmentInfo, 2.0);
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test.expectEvent(sourceBuffer, 'updateend', 'sourceBuffer');
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test.expectEvent(mediaElement, 'playing', 'Playing media.');
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sourceBuffer.appendBuffer(playbackData);
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});
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test.waitForExpectedEvents(function()
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{
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assert_equals(mediaElement.duration, segmentInfo.duration);
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assert_greater_than_equal(mediaElement.duration, 2.0, 'Duration is >2.0s.');
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test.expectEvent(sourceBuffer, "updateend");
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sourceBuffer.remove(1.5, Infinity);
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assert_true(sourceBuffer.updating, "updating");
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});
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test.waitForExpectedEvents(function()
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{
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assert_false(sourceBuffer.updating, "updating");
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test.waitForCurrentTimeChange(mediaElement, function()
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{
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// Update duration.
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mediaSource.duration = 1.5;
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seekToSpecifiedTimeSetEOSAndVerifyDone(test, mediaElement, mediaSource, 1.8);
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});
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});
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}, 'Test seeking beyond updated media duration.');
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mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
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{
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mediaElement.play();
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// Append all media data for complete playback.
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test.expectEvent(sourceBuffer, 'updateend', 'sourceBuffer end update.');
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test.expectEvent(mediaElement, 'loadedmetadata', 'Reached HAVE_METADATA');
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test.expectEvent(mediaElement, 'playing', 'Playing media.');
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sourceBuffer.appendBuffer(mediaData);
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test.waitForExpectedEvents(function()
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{
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test.waitForCurrentTimeChange(mediaElement, function()
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{
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seekToSpecifiedTimeSetEOSAndVerifyDone(test, mediaElement, mediaSource, mediaSource.duration, mediaSource.duration + 0.1);
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});
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});
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}, 'Test seeking beyond media duration.');
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</script>
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</body>
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</html>
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