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Diffstat (limited to 'testing/web-platform/tests/media-source/mediasource-seek-during-pending-seek.html')
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1 files changed, 189 insertions, 0 deletions
diff --git a/testing/web-platform/tests/media-source/mediasource-seek-during-pending-seek.html b/testing/web-platform/tests/media-source/mediasource-seek-during-pending-seek.html new file mode 100644 index 000000000..60c5eec1c --- /dev/null +++ b/testing/web-platform/tests/media-source/mediasource-seek-during-pending-seek.html @@ -0,0 +1,189 @@ +<!DOCTYPE html> +<!-- Copyright © 2016 Chromium authors and World Wide Web Consortium, (Massachusetts Institute of Technology, ERCIM, Keio University, Beihang). --> +<html> + <head> + <title>Test MediaSource behavior when a seek is requested while another seek is pending.</title> + <script src="/resources/testharness.js"></script> + <script src="/resources/testharnessreport.js"></script> + <script src="mediasource-util.js"></script> + </head> + <body> + <div id="log"></div> + <script> + mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData) + { + mediaElement.play(); + + var initSegment = MediaSourceUtil.extractSegmentData(mediaData, segmentInfo.init); + var firstSegment = MediaSourceUtil.extractSegmentData(mediaData, segmentInfo.media[0]); + var segmentIndex = 2; + var secondSegmentInfo = segmentInfo.media[segmentIndex]; + + // Append the initialization segment to trigger a transition to HAVE_METADATA. + test.expectEvent(sourceBuffer, 'updateend', 'sourceBuffer'); + test.expectEvent(mediaElement, 'loadedmetadata', 'Reached HAVE_METADATA'); + sourceBuffer.appendBuffer(initSegment); + + test.waitForExpectedEvents(function() + { + assert_false(mediaElement.seeking, 'mediaElement is not seeking'); + assert_equals(mediaElement.readyState, mediaElement.HAVE_METADATA, 'Still in HAVE_METADATA'); + + // Seek to a new position before letting the initial seek to 0 completes. + test.expectEvent(mediaElement, 'seeking', 'mediaElement'); + mediaElement.currentTime = Math.max(secondSegmentInfo.timev, secondSegmentInfo.timea); + assert_true(mediaElement.seeking, 'mediaElement is seeking'); + + // Append media data for time 0. + test.expectEvent(sourceBuffer, 'updateend', 'sourceBuffer'); + sourceBuffer.appendBuffer(firstSegment); + }); + + test.waitForExpectedEvents(function() + { + // Verify that the media data didn't trigger a 'seeking' event or a transition beyond HAVE_METADATA. + assert_true(mediaElement.seeking, 'mediaElement is still seeking'); + assert_equals(mediaElement.readyState, mediaElement.HAVE_METADATA, 'Still in HAVE_METADATA'); + + // Append media data for the current position until the element starts playing. + test.expectEvent(mediaElement, 'seeked', 'mediaElement finished seek'); + test.expectEvent(mediaElement, 'playing', 'mediaElement playing'); + + MediaSourceUtil.appendUntilEventFires(test, mediaElement, 'playing', sourceBuffer, mediaData, segmentInfo, segmentIndex); + }); + + test.waitForExpectedEvents(function() + { + if (sourceBuffer.updating) + { + // The event playing was fired prior to the appendBuffer completing. + test.expectEvent(sourceBuffer, 'updateend', 'sourceBuffer'); + test.waitForExpectedEvents(function() + { + assert_false(sourceBuffer.updating, 'append have compleded'); + test.expectEvent(mediaSource, 'sourceended', 'mediaSource ended'); + mediaSource.endOfStream(); + }); + } + else + { + test.expectEvent(mediaSource, 'sourceended', 'mediaSource ended'); + mediaSource.endOfStream(); + } + }); + + test.waitForExpectedEvents(function() + { + // Note: we just completed the seek. However, we only have less than a second worth of data to play. It is possible that + // playback has reached the end since the seek completed. + if (!mediaElement.paused) + { + assert_greater_than_equal(mediaElement.readyState, mediaElement.HAVE_CURRENT_DATA, 'Greater or equal than HAVE_CURRENT_DATA'); + } + else + { + assert_true(mediaElement.ended); + } + test.done(); + }); + + }, 'Test seeking to a new location before transitioning beyond HAVE_METADATA.'); + + mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData) + { + mediaElement.play(); + + var initSegment = MediaSourceUtil.extractSegmentData(mediaData, segmentInfo.init); + var firstSegment = MediaSourceUtil.extractSegmentData(mediaData, segmentInfo.media[0]); + var secondSegmentInfo = segmentInfo.media[2]; + var secondSegment = MediaSourceUtil.extractSegmentData(mediaData, secondSegmentInfo); + var segmentIndex = 4; + var thirdSegmentInfo = segmentInfo.media[segmentIndex]; + + // Append the initialization segment to trigger a transition to HAVE_METADATA. + test.expectEvent(sourceBuffer, 'updateend', 'sourceBuffer'); + test.expectEvent(mediaElement, 'loadedmetadata', 'Reached HAVE_METADATA'); + sourceBuffer.appendBuffer(initSegment); + + test.waitForExpectedEvents(function() + { + test.expectEvent(sourceBuffer, 'updateend', 'sourceBuffer'); + test.expectEvent(mediaElement, 'playing', 'mediaElement playing'); + sourceBuffer.appendBuffer(firstSegment); + }); + + test.waitForExpectedEvents(function() + { + assert_greater_than(mediaElement.readyState, mediaElement.HAVE_CURRENT_DATA, 'Greater than HAVE_CURRENT_DATA'); + + // Seek to a new position. + test.expectEvent(mediaElement, 'seeking', 'mediaElement'); + mediaElement.currentTime = Math.max(secondSegmentInfo.timev, secondSegmentInfo.timea); + assert_true(mediaElement.seeking, 'mediaElement is seeking'); + + }); + + test.waitForExpectedEvents(function() + { + assert_true(mediaElement.seeking, 'mediaElement is still seeking'); + + // Seek to a second position while the first seek is still pending. + test.expectEvent(mediaElement, 'seeking', 'mediaElement'); + mediaElement.currentTime = Math.max(thirdSegmentInfo.timev, thirdSegmentInfo.timea); + assert_true(mediaElement.seeking, 'mediaElement is seeking'); + + // Append media data for the first seek position. + test.expectEvent(sourceBuffer, 'updateend', 'sourceBuffer'); + sourceBuffer.appendBuffer(secondSegment); + }); + + test.waitForExpectedEvents(function() + { + // Note that we can't assume that the element is still seeking + // when the seeking event is fired as the operation is asynchronous. + + // Append media data for the second seek position. + test.expectEvent(mediaElement, 'seeked', 'mediaElement finished seek'); + MediaSourceUtil.appendUntilEventFires(test, mediaElement, 'seeked', sourceBuffer, mediaData, segmentInfo, segmentIndex); + }); + + test.waitForExpectedEvents(function() + { + assert_false(mediaElement.seeking, 'mediaElement is no longer seeking'); + + if (sourceBuffer.updating) + { + // The event seeked was fired prior to the appendBuffer completing. + test.expectEvent(sourceBuffer, 'updateend', 'sourceBuffer'); + test.waitForExpectedEvents(function() + { + assert_false(sourceBuffer.updating, 'append have compleded'); + test.expectEvent(mediaSource, 'sourceended', 'mediaSource ended'); + mediaSource.endOfStream(); + }); + } + else + { + test.expectEvent(mediaSource, 'sourceended', 'mediaSource ended'); + mediaSource.endOfStream(); + } + }); + + test.waitForExpectedEvents(function() + { + // Note: we just completed the seek. However, we only have less than a second worth of data to play. It is possible that + // playback has reached the end since the seek completed. + if (!mediaElement.paused) + { + assert_greater_than_equal(mediaElement.readyState, mediaElement.HAVE_CURRENT_DATA, 'Greater or equal than HAVE_CURRENT_DATA'); + } + else + { + assert_true(mediaElement.ended); + } + test.done(); + }); + }, 'Test seeking to a new location during a pending seek.'); + </script> + </body> +</html> |