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189 lines
9.2 KiB
HTML
189 lines
9.2 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 a seek is requested while another seek is pending.</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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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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var firstSegment = MediaSourceUtil.extractSegmentData(mediaData, segmentInfo.media[0]);
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var segmentIndex = 2;
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var secondSegmentInfo = segmentInfo.media[segmentIndex];
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// Append the initialization segment to trigger a transition to HAVE_METADATA.
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test.expectEvent(sourceBuffer, 'updateend', 'sourceBuffer');
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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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assert_false(mediaElement.seeking, 'mediaElement is not seeking');
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assert_equals(mediaElement.readyState, mediaElement.HAVE_METADATA, 'Still in HAVE_METADATA');
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// Seek to a new position before letting the initial seek to 0 completes.
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test.expectEvent(mediaElement, 'seeking', 'mediaElement');
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mediaElement.currentTime = Math.max(secondSegmentInfo.timev, secondSegmentInfo.timea);
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assert_true(mediaElement.seeking, 'mediaElement is seeking');
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// Append media data for time 0.
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test.expectEvent(sourceBuffer, 'updateend', 'sourceBuffer');
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sourceBuffer.appendBuffer(firstSegment);
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});
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test.waitForExpectedEvents(function()
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{
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// Verify that the media data didn't trigger a 'seeking' event or a transition beyond HAVE_METADATA.
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assert_true(mediaElement.seeking, 'mediaElement is still seeking');
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assert_equals(mediaElement.readyState, mediaElement.HAVE_METADATA, 'Still in HAVE_METADATA');
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// Append media data for the current position until the element starts playing.
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test.expectEvent(mediaElement, 'seeked', 'mediaElement finished seek');
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test.expectEvent(mediaElement, 'playing', 'mediaElement playing');
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MediaSourceUtil.appendUntilEventFires(test, mediaElement, 'playing', sourceBuffer, mediaData, segmentInfo, segmentIndex);
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});
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test.waitForExpectedEvents(function()
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{
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if (sourceBuffer.updating)
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{
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// The event playing was fired prior to the appendBuffer completing.
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test.expectEvent(sourceBuffer, 'updateend', 'sourceBuffer');
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test.waitForExpectedEvents(function()
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{
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assert_false(sourceBuffer.updating, 'append have compleded');
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test.expectEvent(mediaSource, 'sourceended', 'mediaSource ended');
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mediaSource.endOfStream();
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});
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}
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else
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{
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test.expectEvent(mediaSource, 'sourceended', 'mediaSource ended');
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mediaSource.endOfStream();
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}
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});
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test.waitForExpectedEvents(function()
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{
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// Note: we just completed the seek. However, we only have less than a second worth of data to play. It is possible that
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// playback has reached the end since the seek completed.
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if (!mediaElement.paused)
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{
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assert_greater_than_equal(mediaElement.readyState, mediaElement.HAVE_CURRENT_DATA, 'Greater or equal than HAVE_CURRENT_DATA');
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}
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else
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{
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assert_true(mediaElement.ended);
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}
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test.done();
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});
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}, 'Test seeking to a new location before transitioning beyond HAVE_METADATA.');
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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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var firstSegment = MediaSourceUtil.extractSegmentData(mediaData, segmentInfo.media[0]);
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var secondSegmentInfo = segmentInfo.media[2];
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var secondSegment = MediaSourceUtil.extractSegmentData(mediaData, secondSegmentInfo);
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var segmentIndex = 4;
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var thirdSegmentInfo = segmentInfo.media[segmentIndex];
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// Append the initialization segment to trigger a transition to HAVE_METADATA.
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test.expectEvent(sourceBuffer, 'updateend', 'sourceBuffer');
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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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test.expectEvent(sourceBuffer, 'updateend', 'sourceBuffer');
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test.expectEvent(mediaElement, 'playing', 'mediaElement playing');
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sourceBuffer.appendBuffer(firstSegment);
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});
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test.waitForExpectedEvents(function()
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{
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assert_greater_than(mediaElement.readyState, mediaElement.HAVE_CURRENT_DATA, 'Greater than HAVE_CURRENT_DATA');
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// Seek to a new position.
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test.expectEvent(mediaElement, 'seeking', 'mediaElement');
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mediaElement.currentTime = Math.max(secondSegmentInfo.timev, secondSegmentInfo.timea);
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assert_true(mediaElement.seeking, 'mediaElement is seeking');
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});
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test.waitForExpectedEvents(function()
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{
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assert_true(mediaElement.seeking, 'mediaElement is still seeking');
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// Seek to a second position while the first seek is still pending.
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test.expectEvent(mediaElement, 'seeking', 'mediaElement');
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mediaElement.currentTime = Math.max(thirdSegmentInfo.timev, thirdSegmentInfo.timea);
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assert_true(mediaElement.seeking, 'mediaElement is seeking');
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// Append media data for the first seek position.
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test.expectEvent(sourceBuffer, 'updateend', 'sourceBuffer');
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sourceBuffer.appendBuffer(secondSegment);
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});
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test.waitForExpectedEvents(function()
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{
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// Note that we can't assume that the element is still seeking
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// when the seeking event is fired as the operation is asynchronous.
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// Append media data for the second seek position.
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test.expectEvent(mediaElement, 'seeked', 'mediaElement finished seek');
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MediaSourceUtil.appendUntilEventFires(test, mediaElement, 'seeked', sourceBuffer, mediaData, segmentInfo, segmentIndex);
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});
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test.waitForExpectedEvents(function()
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{
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assert_false(mediaElement.seeking, 'mediaElement is no longer seeking');
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if (sourceBuffer.updating)
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{
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// The event seeked was fired prior to the appendBuffer completing.
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test.expectEvent(sourceBuffer, 'updateend', 'sourceBuffer');
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test.waitForExpectedEvents(function()
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{
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assert_false(sourceBuffer.updating, 'append have compleded');
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test.expectEvent(mediaSource, 'sourceended', 'mediaSource ended');
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mediaSource.endOfStream();
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});
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}
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else
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{
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test.expectEvent(mediaSource, 'sourceended', 'mediaSource ended');
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mediaSource.endOfStream();
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}
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});
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test.waitForExpectedEvents(function()
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{
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// Note: we just completed the seek. However, we only have less than a second worth of data to play. It is possible that
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// playback has reached the end since the seek completed.
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if (!mediaElement.paused)
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{
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assert_greater_than_equal(mediaElement.readyState, mediaElement.HAVE_CURRENT_DATA, 'Greater or equal than HAVE_CURRENT_DATA');
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}
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else
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{
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assert_true(mediaElement.ended);
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}
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test.done();
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});
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}, 'Test seeking to a new location during a pending seek.');
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</script>
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</body>
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</html>
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