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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>MediaSource.duration &amp; HTMLMediaElement.duration test cases.</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>
+
+ var subType = MediaSourceUtil.getSubType(MediaSourceUtil.AUDIO_ONLY_TYPE);
+ var manifestFilenameAudio = subType + "/test-a-128k-44100Hz-1ch-manifest.json";
+ var manifestFilenameVideo = subType + "/test-v-128k-320x240-30fps-10kfr-manifest.json";
+
+ function mediasource_truncated_duration_seek_test(testFunction, description, options)
+ {
+ return mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
+ {
+ assert_greater_than(segmentInfo.duration, 2, 'Sufficient test media duration');
+
+ var fullDuration = segmentInfo.duration;
+ var seekTo = fullDuration / 2.0;
+ var truncatedDuration = seekTo / 2.0;
+
+ mediaElement.play();
+
+ // Append all the segments
+ test.expectEvent(sourceBuffer, 'updateend', 'sourceBuffer');
+ test.expectEvent(mediaElement, 'playing', 'Playing triggered');
+ sourceBuffer.appendBuffer(mediaData);
+
+ test.waitForExpectedEvents(function()
+ {
+ test.expectEvent(mediaElement, 'seeking', 'seeking to seekTo');
+ test.expectEvent(mediaElement, 'timeupdate', 'timeupdate while seeking to seekTo');
+ test.expectEvent(mediaElement, 'seeked', 'seeked to seekTo');
+ mediaElement.currentTime = seekTo;
+ assert_true(mediaElement.seeking, 'mediaElement.seeking (to seekTo)');
+ });
+
+ test.waitForExpectedEvents(function()
+ {
+ assert_greater_than_equal(mediaElement.currentTime, seekTo, 'Playback time has reached seekTo');
+ assert_false(mediaElement.seeking, 'mediaElement.seeking after seeked to seekTo');
+
+ assert_false(sourceBuffer.updating, 'sourceBuffer.updating');
+
+ sourceBuffer.remove(truncatedDuration, Infinity);
+
+ assert_true(sourceBuffer.updating, 'sourceBuffer.updating');
+ test.expectEvent(sourceBuffer, 'updatestart', 'sourceBuffer');
+ test.expectEvent(sourceBuffer, 'update', 'sourceBuffer');
+ test.expectEvent(sourceBuffer, 'updateend', 'sourceBuffer');
+ });
+
+ test.waitForExpectedEvents(function()
+ {
+ assert_greater_than_equal(mediaElement.currentTime, seekTo, 'Playback time has reached seekTo');
+ assert_false(sourceBuffer.updating, 'sourceBuffer.updating');
+
+ // Remove will not remove partial frames, so the resulting duration is the highest end time
+ // of the track buffer ranges, and is greater than or equal to the highest coded frame
+ // presentation time across all track buffer ranges. We first obtain the intersected track buffer
+ // ranges end time and set the duration to that value.
+ truncatedDuration = sourceBuffer.buffered.end(sourceBuffer.buffered.length-1);
+ assert_less_than(truncatedDuration, seekTo,
+ 'remove has removed the current playback position from at least one track buffer');
+
+ mediaSource.duration = truncatedDuration;
+ test.expectEvent(mediaElement, 'seeking', 'Seeking to truncated duration');
+
+ // The actual duration may be slightly higher than truncatedDuration because the
+ // duration is adjusted upwards if necessary to be the highest end time across all track buffer
+ // ranges. Allow that increase here.
+ assert_less_than_equal(truncatedDuration, mediaSource.duration,
+ 'Duration should not be less than what was set');
+ // Here, we assume no test media coded frame duration is longer than 100ms.
+ assert_less_than(mediaSource.duration - truncatedDuration, 0.1);
+
+ // Update our truncatedDuration to be the actual new duration.
+ truncatedDuration = mediaSource.duration;
+
+ assert_true(mediaElement.seeking, 'Seeking after setting truncatedDuration');
+ });
+
+ test.waitForExpectedEvents(function()
+ {
+ assert_equals(mediaElement.currentTime, truncatedDuration,
+ 'Playback time is truncatedDuration while seeking');
+ assert_true(mediaElement.seeking, 'mediaElement.seeking while seeking to truncatedDuration');
+ assert_equals(mediaElement.duration, truncatedDuration,
+ 'mediaElement truncatedDuration during seek to it');
+ assert_equals(mediaSource.duration, truncatedDuration,
+ 'mediaSource truncatedDuration during seek to it');
+
+ testFunction(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData,
+ truncatedDuration);
+ });
+ }, description, options);
+ }
+
+ mediasource_truncated_duration_seek_test(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer,
+ mediaData, truncatedDuration)
+ {
+ // Tests that duration truncation below current playback position
+ // starts seek to new duration.
+ test.done();
+ }, 'Test seek starts on duration truncation below currentTime');
+
+ mediasource_truncated_duration_seek_test(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer,
+ mediaData, truncatedDuration)
+ {
+ // The duration has been truncated at this point, and there is an
+ // outstanding seek pending.
+ test.expectEvent(sourceBuffer, 'updateend', 'updateend after appending more data');
+
+ test.expectEvent(mediaElement, 'timeupdate', 'timeupdate while finishing seek to truncatedDuration');
+ test.expectEvent(mediaElement, 'seeked', 'seeked to truncatedDuration');
+
+ // Allow seek to complete by appending more data beginning at the
+ // truncated duration timestamp.
+ sourceBuffer.timestampOffset = truncatedDuration;
+ sourceBuffer.appendBuffer(mediaData);
+
+ test.waitForExpectedEvents(function()
+ {
+ assert_greater_than_equal(mediaElement.currentTime, truncatedDuration,
+ 'Playback time has reached truncatedDuration');
+ assert_approx_equals(mediaElement.duration, truncatedDuration + segmentInfo.duration, 0.05,
+ 'mediaElement duration increased by new append');
+ assert_equals(mediaSource.duration, mediaElement.duration,
+ 'mediaSource duration increased by new append');
+ assert_false(mediaElement.seeking, 'mediaElement.seeking after seeked to truncatedDuration');
+
+ test.done();
+ });
+ }, 'Test appendBuffer completes previous seek to truncated duration');
+
+ mediasource_truncated_duration_seek_test(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer,
+ mediaData, truncatedDuration)
+ {
+ // The duration has been truncated at this point, and there is an
+ // outstanding seek pending.
+ test.expectEvent(mediaSource, 'sourceended', 'endOfStream acknowledged');
+
+ test.expectEvent(mediaElement, 'timeupdate', 'timeupdate while finishing seek to truncatedDuration');
+ test.expectEvent(mediaElement, 'seeked', 'seeked to truncatedDuration');
+
+ // Call endOfStream() to complete the pending seek.
+ mediaSource.endOfStream();
+
+ test.waitForExpectedEvents(function()
+ {
+ assert_greater_than_equal(mediaElement.currentTime, truncatedDuration,
+ 'Playback time has reached truncatedDuration');
+ // The mediaSource.readyState is "ended". Buffered ranges have been adjusted to the longest track.
+ truncatedDuration = sourceBuffer.buffered.end(sourceBuffer.buffered.length-1);
+ assert_equals(mediaElement.duration, truncatedDuration,
+ 'mediaElement truncatedDuration after seek to it');
+ assert_equals(mediaSource.duration, truncatedDuration,
+ 'mediaSource truncatedDuration after seek to it');
+ assert_false(mediaElement.seeking, 'mediaElement.seeking after seeked to truncatedDuration');
+
+ test.done();
+ });
+ }, 'Test endOfStream completes previous seek to truncated duration');
+
+ mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
+ {
+ assert_greater_than(segmentInfo.duration, 2, 'Sufficient test media duration');
+
+ var fullDuration = segmentInfo.duration;
+ var newDuration = 0.5;
+
+ var expectedDurationChangeEventCount = 1;
+ var durationchangeEventCounter = 0;
+ var durationchangeEventHandler = test.step_func(function(event)
+ {
+ assert_equals(mediaElement.duration, mediaSource.duration, 'mediaElement newDuration');
+ // Final duration may be greater than originally set as per MSE's 2.4.6 Duration change
+ // Adjust newDuration accordingly.
+ assert_less_than_equal(newDuration, mediaSource.duration, 'mediaSource newDuration');
+ durationchangeEventCounter++;
+ });
+
+ mediaElement.play();
+
+ // Append all the segments
+ test.expectEvent(sourceBuffer, 'updateend', 'sourceBuffer');
+ test.expectEvent(mediaElement, 'playing', 'Playing triggered');
+ sourceBuffer.appendBuffer(mediaData);
+
+ test.waitForExpectedEvents(function()
+ {
+ assert_less_than(mediaElement.currentTime, newDuration / 2, 'mediaElement currentTime');
+
+ assert_false(sourceBuffer.updating, "updating");
+
+ // Truncate duration. This should result in one 'durationchange' fired.
+ sourceBuffer.remove(newDuration, Infinity);
+
+ assert_true(sourceBuffer.updating, "updating");
+ test.expectEvent(sourceBuffer, 'updatestart', 'sourceBuffer');
+ test.expectEvent(sourceBuffer, 'update', 'sourceBuffer');
+ test.expectEvent(sourceBuffer, 'updateend', 'sourceBuffer');
+ });
+
+ test.waitForExpectedEvents(function()
+ {
+ // Media load also fires 'durationchange' event, so only start counting them now.
+ mediaElement.addEventListener('durationchange', durationchangeEventHandler);
+
+ assert_false(sourceBuffer.updating, "updating");
+
+ // Truncate duration. This should result in one 'durationchange' fired.
+ mediaSource.duration = newDuration;
+
+ // Final duration may be greater than originally set as per MSE's 2.4.6 Duration change
+ // Adjust newDuration accordingly.
+ assert_true(newDuration <= mediaSource.duration, 'adjusted duration');
+ newDuration = mediaSource.duration;
+
+ // Set duration again to make sure it does not trigger another 'durationchange' event.
+ mediaSource.duration = newDuration;
+
+ // Mark endOfStream so that playback can reach 'ended' at the new duration.
+ test.expectEvent(mediaSource, 'sourceended', 'endOfStream acknowledged');
+ mediaSource.endOfStream();
+
+ // endOfStream can change duration slightly.
+ // Allow for one more 'durationchange' event only in this case.
+ var currentDuration = mediaSource.duration;
+ if (currentDuration != newDuration) {
+ newDuration = currentDuration;
+ ++expectedDurationChangeEventCount;
+ }
+
+ // Allow media to play to end while counting 'durationchange' events.
+ test.expectEvent(mediaElement, 'ended', 'Playback ended');
+ test.waitForExpectedEvents(function()
+ {
+ mediaElement.removeEventListener('durationchange', durationchangeEventHandler);
+ assert_equals(durationchangeEventCounter, expectedDurationChangeEventCount, 'durationchanges');
+ test.done();
+ });
+ });
+ }, 'Test setting same duration multiple times does not fire duplicate durationchange');
+
+ mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
+ {
+ assert_greater_than(segmentInfo.duration, 2, 'Sufficient test media duration');
+
+ var fullDuration = segmentInfo.duration;
+ var newDuration = fullDuration / 2;
+
+ // Append all the segments
+ test.expectEvent(sourceBuffer, 'updateend', 'sourceBuffer');
+ test.expectEvent(mediaElement, 'loadedmetadata', 'mediaElement');
+ sourceBuffer.appendBuffer(mediaData);
+
+ test.waitForExpectedEvents(function()
+ {
+ assert_false(sourceBuffer.updating, "updating");
+
+ assert_throws_dom("InvalidStateError", function()
+ {
+ mediaSource.duration = newDuration;
+ }, "duration");
+
+ test.done();
+ });
+ }, 'Test setting the duration to less than the highest starting presentation timestamp will throw');
+
+ mediasource_test(function(test, mediaElement, mediaSource)
+ {
+ mediaElement.addEventListener("error", test.unreached_func("Unexpected event 'error'"));
+ MediaSourceUtil.fetchManifestAndData(test, manifestFilenameAudio, function(typeAudio, dataAudio)
+ {
+ MediaSourceUtil.fetchManifestAndData(test, manifestFilenameVideo, function(typeVideo, dataVideo)
+ {
+ var sourceBufferAudio = mediaSource.addSourceBuffer(typeAudio);
+ var sourceBufferVideo = mediaSource.addSourceBuffer(typeVideo);
+ var newDuration = 1.2;
+
+ sourceBufferAudio.appendWindowEnd = 2.0;
+ sourceBufferAudio.appendWindowStart = newDuration / 2.0;
+ sourceBufferAudio.appendBuffer(dataAudio);
+
+ sourceBufferVideo.appendWindowEnd = 2.0;
+ sourceBufferVideo.appendWindowStart = newDuration * 1.3;
+ sourceBufferVideo.appendBuffer(dataVideo);
+
+ test.expectEvent(sourceBufferAudio, "updateend");
+ test.expectEvent(sourceBufferVideo, "updateend");
+ test.waitForExpectedEvents(function()
+ {
+ assert_equals(sourceBufferAudio.buffered.length, 1);
+ assert_equals(sourceBufferVideo.buffered.length, 1);
+ assert_less_than(sourceBufferAudio.buffered.start(0), newDuration);
+ assert_greater_than(sourceBufferVideo.buffered.start(0), newDuration);
+ assert_throws_dom("InvalidStateError", function () { mediaSource.duration = newDuration; });
+ test.done();
+ });
+ });
+ });
+ }, "Truncating the duration throws an InvalidStateError exception when new duration is less than the highest buffered range start time of one of the track buffers");
+
+ mediasource_test(function(test, mediaElement, mediaSource)
+ {
+ mediaElement.addEventListener("error", test.unreached_func("Unexpected event 'error'"));
+ MediaSourceUtil.fetchManifestAndData(test, manifestFilenameAudio, function(typeAudio, dataAudio)
+ {
+ MediaSourceUtil.fetchManifestAndData(test, manifestFilenameVideo, function(typeVideo, dataVideo)
+ {
+ var sourceBufferAudio = mediaSource.addSourceBuffer(typeAudio);
+ var sourceBufferVideo = mediaSource.addSourceBuffer(typeVideo);
+
+ // Buffer audio [0.8,1.8)
+ sourceBufferAudio.timestampOffset = 0.8;
+ sourceBufferAudio.appendWindowEnd = 1.8;
+ sourceBufferAudio.appendBuffer(dataAudio);
+
+ // Buffer video [1.5,3)
+ sourceBufferVideo.timestampOffset = 1.5;
+ sourceBufferVideo.appendWindowEnd = 3;
+ sourceBufferVideo.appendBuffer(dataVideo);
+
+ test.expectEvent(sourceBufferAudio, "updateend");
+ test.expectEvent(sourceBufferVideo, "updateend");
+ test.waitForExpectedEvents(function()
+ {
+ var newDuration = 2.0;
+
+ // Verify the test setup
+ assert_equals(sourceBufferAudio.buffered.length, 1);
+ assert_equals(sourceBufferVideo.buffered.length, 1);
+ assert_greater_than(sourceBufferAudio.buffered.end(0), 1.5);
+ assert_less_than(sourceBufferAudio.buffered.end(0), newDuration);
+ assert_less_than(sourceBufferVideo.buffered.start(0), newDuration);
+ assert_greater_than(sourceBufferVideo.buffered.end(0), newDuration + 0.5);
+
+ // Verify the expected error
+ // We assume relocated test video has at least one coded
+ // frame presentation interval which fits in [>2.0,>2.5)
+ assert_throws_dom("InvalidStateError", function () { mediaSource.duration = newDuration; });
+ test.done();
+ });
+ });
+ });
+ }, "Truncating the duration throws an InvalidStateError exception when new duration is less than a buffered coded frame presentation time");
+
+ mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
+ {
+ assert_less_than(segmentInfo.duration, 60, 'Sufficient test media duration');
+ sourceBuffer.appendBuffer(mediaData);
+ test.expectEvent(sourceBuffer, 'updateend', 'Media data appended to the SourceBuffer');
+ test.waitForExpectedEvents(function()
+ {
+ mediaSource.duration = 60;
+ assert_false(sourceBuffer.updating, 'No SourceBuffer update when duration is increased');
+ test.done();
+ });
+ }, 'Increasing the duration does not trigger any SourceBuffer update');
+
+ mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData)
+ {
+ assert_greater_than(segmentInfo.duration, 2, 'Sufficient test media duration');
+ mediaElement.play();
+ sourceBuffer.appendBuffer(mediaData);
+ test.expectEvent(sourceBuffer, 'updateend', 'Media data appended to the SourceBuffer');
+ test.waitForExpectedEvents(function()
+ {
+ mediaSource.duration = 60;
+ assert_false(sourceBuffer.updating, 'No SourceBuffer update when duration is increased');
+ test.done();
+ });
+ }, 'Increasing the duration during media playback does not trigger any SourceBuffer update');
+ </script>
+ </body>
+</html>
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