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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
commit43a97878ce14b72f0981164f87f2e35e14151312 (patch)
tree620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/media-source/mediasource-seek-during-pending-seek.html
parentInitial commit. (diff)
downloadfirefox-upstream.tar.xz
firefox-upstream.zip
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+<!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>
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