| <!DOCTYPE html> |
| <html> |
| <head> |
| <script src="/w3c/resources/testharness.js"></script> |
| <script src="/w3c/resources/testharnessreport.js"></script> |
| <script src="mediasource-util.js"></script> |
| </head> |
| <body> |
| <script> |
| function loadMediaAndVerifyAddedTracks(test, mediaElement, segmentInfo, sourceBuffer, mediaData, successCallback) |
| { |
| var initSegment = MediaSourceUtil.extractSegmentData(mediaData, segmentInfo.init); |
| test.expectEvent(sourceBuffer.audioTracks, "addtrack", "sourceBuffer.audioTracks addtrack event"); |
| test.expectEvent(sourceBuffer.videoTracks, "addtrack", "sourceBuffer.videoTracks addtrack event"); |
| test.expectEvent(mediaElement.audioTracks, "addtrack", "mediaElement.audioTracks addtrack event"); |
| test.expectEvent(mediaElement.videoTracks, "addtrack", "mediaElement.videoTracks addtrack event"); |
| test.expectEvent(mediaElement, "loadedmetadata", "loadedmetadata done."); |
| test.expectEvent(sourceBuffer, "updateend", "initSegment append ended."); |
| sourceBuffer.appendBuffer(initSegment); |
| test.waitForExpectedEvents(function() |
| { |
| assert_equals(sourceBuffer.videoTracks.length, 1, "videoTracks.length"); |
| assert_equals(sourceBuffer.videoTracks[0].kind, "main", "videoTrack.kind"); |
| assert_equals(sourceBuffer.videoTracks[0].label, "", "videoTrack.label"); |
| assert_equals(sourceBuffer.videoTracks[0].language, "", "videoTrack.language"); |
| assert_equals(sourceBuffer.videoTracks[0].sourceBuffer, sourceBuffer, "videoTrack.sourceBuffer"); |
| // The first video track is selected by default. |
| assert_true(sourceBuffer.videoTracks[0].selected, "sourceBuffer.videoTracks[0].selected"); |
| |
| assert_equals(sourceBuffer.audioTracks.length, 1, "audioTracks.length"); |
| assert_equals(sourceBuffer.audioTracks[0].kind, "main", "audioTrack.kind"); |
| assert_equals(sourceBuffer.audioTracks[0].label, "", "audioTrack.label"); |
| assert_equals(sourceBuffer.audioTracks[0].language, "", "audioTrack.language"); |
| assert_equals(sourceBuffer.audioTracks[0].sourceBuffer, sourceBuffer, "audioTrack.sourceBuffer"); |
| // The first audio track is enabled by default. |
| assert_true(sourceBuffer.audioTracks[0].enabled, "sourceBuffer.audioTracks[0].enabled"); |
| |
| assert_not_equals(sourceBuffer.audioTracks[0].id, sourceBuffer.videoTracks[0].id, "track ids must be unique"); |
| |
| assert_equals(mediaElement.videoTracks.length, 1, "videoTracks.length"); |
| assert_equals(mediaElement.videoTracks[0], sourceBuffer.videoTracks[0], "mediaElement.videoTrack == sourceBuffer.videoTrack"); |
| |
| assert_equals(mediaElement.audioTracks.length, 1, "audioTracks.length"); |
| assert_equals(mediaElement.audioTracks[0], sourceBuffer.audioTracks[0], "mediaElement.audioTrack == sourceBuffer.audioTrack"); |
| |
| successCallback(); |
| }); |
| } |
| |
| mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData) |
| { |
| loadMediaAndVerifyAddedTracks(test, mediaElement, segmentInfo, sourceBuffer, mediaData, test.step_func_done()); |
| }, "Check that media tracks and their properties are populated properly"); |
| |
| function verifyTrackRemoval(test, mediaElement, mediaSource, sourceBuffer, trackRemovalAction, successCallback) { |
| assert_equals(sourceBuffer.audioTracks.length, 1, "audioTracks.length"); |
| assert_true(sourceBuffer.audioTracks[0].enabled, "sourceBuffer.audioTracks[0].enabled"); |
| assert_equals(sourceBuffer.videoTracks.length, 1, "videoTracks.length"); |
| assert_true(sourceBuffer.videoTracks[0].selected, "sourceBuffer.videoTracks[0].selected"); |
| |
| var audioTrack = sourceBuffer.audioTracks[0]; |
| var videoTrack = sourceBuffer.videoTracks[0]; |
| |
| // Verify removetrack events. |
| test.expectEvent(sourceBuffer.audioTracks, "removetrack", "sourceBuffer.audioTracks removetrack event"); |
| test.expectEvent(sourceBuffer.videoTracks, "removetrack", "sourceBuffer.videoTracks removetrack event"); |
| test.expectEvent(mediaElement.audioTracks, "removetrack", "mediaElement.audioTracks removetrack event"); |
| test.expectEvent(mediaElement.videoTracks, "removetrack", "mediaElement.videoTracks removetrack event"); |
| |
| // Removing enabled audio track and selected video track should fire "change" events on mediaElement track lists. |
| test.expectEvent(mediaElement.audioTracks, "change", "mediaElement.audioTracks changed."); |
| test.expectEvent(mediaElement.videoTracks, "change", "mediaElement.videoTracks changed."); |
| |
| trackRemovalAction(); |
| |
| test.waitForExpectedEvents(function() |
| { |
| assert_equals(mediaSource.sourceBuffers.length, 0, "mediaSource.sourceBuffers.length"); |
| assert_equals(mediaElement.videoTracks.length, 0, "videoTracks.length"); |
| assert_equals(mediaElement.audioTracks.length, 0, "audioTracks.length"); |
| assert_equals(sourceBuffer.videoTracks.length, 0, "videoTracks.length"); |
| assert_equals(sourceBuffer.audioTracks.length, 0, "audioTracks.length"); |
| // Since audio and video tracks have been removed, their .sourceBuffer property should be null now. |
| assert_equals(audioTrack.sourceBuffer, null, "audioTrack.sourceBuffer"); |
| assert_equals(videoTrack.sourceBuffer, null, "videoTrack.sourceBuffer"); |
| successCallback(); |
| }); |
| } |
| |
| mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData) |
| { |
| loadMediaAndVerifyAddedTracks(test, mediaElement, segmentInfo, sourceBuffer, mediaData, test.step_func(function () |
| { |
| verifyTrackRemoval(test, mediaElement, mediaSource, sourceBuffer, test.step_func(function () |
| { |
| mediaSource.removeSourceBuffer(sourceBuffer); |
| }), test.step_func_done()); |
| })); |
| }, "Media tracks must be removed when the SourceBuffer is removed from the MediaSource"); |
| |
| mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData) |
| { |
| loadMediaAndVerifyAddedTracks(test, mediaElement, segmentInfo, sourceBuffer, mediaData, test.step_func(function () |
| { |
| verifyTrackRemoval(test, mediaElement, mediaSource, sourceBuffer, test.step_func(function () |
| { |
| // Change src to a valid, different, URL to ensure |
| // there is no unintended error produced which might |
| // race an otherwise-successful test's completion. |
| var secondMediaSource = new MediaSource(); |
| mediaElement.src = URL.createObjectURL(secondMediaSource); |
| }), test.step_func_done()); |
| })); |
| }, "Media tracks must be removed when the HTMLMediaElement.src is changed"); |
| |
| mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData) |
| { |
| loadMediaAndVerifyAddedTracks(test, mediaElement, segmentInfo, sourceBuffer, mediaData, test.step_func(function () |
| { |
| assert_equals(mediaSource.activeSourceBuffers.length, 1, "mediaSource.activeSourceBuffers.length == 1"); |
| assert_equals(mediaSource.activeSourceBuffers[0], sourceBuffer, "mediaSource.activeSourceBuffers[0]"); |
| assert_equals(sourceBuffer.videoTracks.selectedIndex, 0, "sourceBuffer.videoTracks.selectedIndex"); |
| test.expectEvent(mediaElement.audioTracks, "change", "mediaElement.audioTracks changed."); |
| test.expectEvent(mediaElement.videoTracks, "change", "mediaElement.videoTracks changed."); |
| test.expectEvent(sourceBuffer.audioTracks, "change", "mediaElement.audioTracks changed."); |
| test.expectEvent(sourceBuffer.videoTracks, "change", "mediaElement.videoTracks changed."); |
| test.expectEvent(mediaSource.activeSourceBuffers, "removesourcebuffer", "mediaSource.activeSourceBuffers.onchange"); |
| mediaElement.audioTracks[0].enabled = false; |
| mediaElement.videoTracks[0].selected = false; |
| test.waitForExpectedEvents(test.step_func(function() |
| { |
| assert_equals(mediaSource.activeSourceBuffers.length, 0, "mediaSource.activeSourceBuffers.length == 0"); |
| assert_equals(sourceBuffer.videoTracks.selectedIndex, -1, "sourceBuffer.videoTracks.selectedIndex"); |
| test.expectEvent(mediaElement.audioTracks, "change", "mediaElement.audioTracks changed."); |
| test.expectEvent(mediaElement.videoTracks, "change", "mediaElement.videoTracks changed."); |
| test.expectEvent(sourceBuffer.audioTracks, "change", "sourceBuffer.audioTracks changed."); |
| test.expectEvent(sourceBuffer.videoTracks, "change", "sourceBuffer.videoTracks changed."); |
| mediaElement.audioTracks[0].enabled = true; |
| mediaElement.videoTracks[0].selected = true; |
| test.expectEvent(mediaSource.activeSourceBuffers, "addsourcebuffer", "mediaSource.activeSourceBuffers.onchange"); |
| test.waitForExpectedEvents(test.step_func_done()); |
| })); |
| })); |
| }, "Change events must be fired on MediaElement and SourceBuffer track lists when enabling/disabling or selecting/deselecting tracks"); |
| |
| </script> |
| </body> |
| </html> |
| |
