| <!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 verifyTrackProperties(trackType, track, expectedTrackInfo) { |
| assert_equals(track.kind, expectedTrackInfo.kind, trackType + ".kind"); |
| assert_equals(track.label, expectedTrackInfo.label, trackType + ".label"); |
| assert_equals(track.language, expectedTrackInfo.language, trackType + ".language"); |
| } |
| |
| function loadMediaAndVerifyAddedTracks(test, mediaElement, segmentInfo, sourceBuffer, mediaData, expectedAudioTrackInfo, expectedVideoTrackInfo, 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.audioTracks.length, 1, "audioTracks.length"); |
| verifyTrackProperties("audio", sourceBuffer.audioTracks[0], expectedAudioTrackInfo); |
| 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_equals(sourceBuffer.videoTracks.length, 1, "videoTracks.length"); |
| verifyTrackProperties("video", sourceBuffer.videoTracks[0], expectedVideoTrackInfo); |
| 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_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) |
| { |
| var expectedAudioTrackInfo = { kind: "main", label: "", language: "" }; |
| var expectedVideoTrackInfo = { kind: "main", label: "", language: "" }; |
| |
| loadMediaAndVerifyAddedTracks(test, mediaElement, segmentInfo, sourceBuffer, mediaData, expectedAudioTrackInfo, expectedVideoTrackInfo, test.step_func(function () |
| { |
| // Now append the same exact init segment again. This should succeed, but no new tracks should |
| // be added to the SourceBuffer or MediaElement. |
| test.failOnEvent(sourceBuffer.audioTracks, "addtrack", "Unexpected addtrack event on sourceBuffer.audioTracks for second init segment"); |
| test.failOnEvent(sourceBuffer.videoTracks, "addtrack", "Unexpected addtrack event on sourceBuffer.videoTracks for second init segment"); |
| test.failOnEvent(mediaElement.audioTracks, "addtrack", "Unexpected addtrack event on mediaElement.audioTracks for second init segment"); |
| test.failOnEvent(mediaElement.videoTracks, "addtrack", "Unexpected addtrack event on mediaElement.videoTracks for second init segment"); |
| |
| test.expectEvent(sourceBuffer, "updateend", "InitSegment append ended."); |
| var initSegment = MediaSourceUtil.extractSegmentData(mediaData, segmentInfo.init); |
| sourceBuffer.appendBuffer(initSegment); |
| test.waitForExpectedEvents(function() |
| { |
| assert_equals(mediaElement.audioTracks.length, 1, "mediaElement.audioTracks.length"); |
| assert_equals(mediaElement.videoTracks.length, 1, "mediaElement.videoTracks.length"); |
| assert_equals(sourceBuffer.audioTracks.length, 1, "sourceBuffer.audioTracks.length"); |
| assert_equals(sourceBuffer.videoTracks.length, 1, "sourceBuffer.videoTracks.length"); |
| test.done(); |
| }); |
| })); |
| }, "Same init segment appended twice"); |
| |
| mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData) |
| { |
| var originalTrackDefaults = [ |
| new TrackDefault("audio", "audio-language", "audio-label", ["main"], "2"), |
| new TrackDefault("video", "video-language", "video-label", ["main"], "1") |
| ]; |
| var trackDefaultList = new TrackDefaultList(originalTrackDefaults.slice()); |
| sourceBuffer.trackDefaults = trackDefaultList; |
| |
| var expectedAudioTrackInfo = { kind: "main", label: "audio-label", language: "audio-language" }; |
| var expectedVideoTrackInfo = { kind: "main", label: "video-label", language: "video-language" }; |
| |
| loadMediaAndVerifyAddedTracks(test, mediaElement, segmentInfo, sourceBuffer, mediaData, expectedAudioTrackInfo, expectedVideoTrackInfo, test.step_func_done()); |
| }, "Track defaults processing in the init segment algorithm (explicit bytestream ids)"); |
| |
| mediasource_testafterdataloaded(function(test, mediaElement, mediaSource, segmentInfo, sourceBuffer, mediaData) |
| { |
| var originalTrackDefaults = [ |
| new TrackDefault("audio", "audio-language", "audio-label", ["main"], ""), |
| new TrackDefault("video", "video-language", "video-label", ["main"], "") |
| ]; |
| var trackDefaultList = new TrackDefaultList(originalTrackDefaults.slice()); |
| sourceBuffer.trackDefaults = trackDefaultList; |
| |
| var expectedAudioTrackInfo = { kind: "main", label: "audio-label", language: "audio-language" }; |
| var expectedVideoTrackInfo = { kind: "main", label: "video-label", language: "video-language" }; |
| |
| loadMediaAndVerifyAddedTracks(test, mediaElement, segmentInfo, sourceBuffer, mediaData, expectedAudioTrackInfo, expectedVideoTrackInfo, test.step_func_done()); |
| }, "Track defaults processing in the init segment algorithm (no bytestream ids)"); |
| |
| mediasource_test(function(test, mediaElement, mediaSource) |
| { |
| var subType = MediaSourceUtil.getSubType(MediaSourceUtil.AUDIO_VIDEO_TYPE); |
| var manifestFilenameA = subType + '/test-a-128k-44100Hz-1ch-manifest.json'; |
| var manifestFilenameV = subType + '/test-v-128k-320x240-30fps-10kfr-manifest.json'; |
| |
| MediaSourceUtil.fetchManifestAndData(test, manifestFilenameA, function(typeA, dataA) |
| { |
| MediaSourceUtil.fetchManifestAndData(test, manifestFilenameV, function(typeV, dataV) |
| { |
| var sourceBufferA = mediaSource.addSourceBuffer(typeA); |
| var sourceBufferV = mediaSource.addSourceBuffer(typeV); |
| sourceBufferA.trackDefaults = new TrackDefaultList([new TrackDefault("audio", "", "audio-label-for-track-bsid1", ["main"], "1")]); |
| sourceBufferV.trackDefaults = new TrackDefaultList([new TrackDefault("video", "", "video-label-for-track-bsid1", ["main"], "1")]); |
| |
| test.expectEvent(mediaElement.audioTracks, "addtrack", "mediaElement.audioTracks addtrack event"); |
| test.expectEvent(mediaElement, "loadedmetadata", "loadedmetadata done."); |
| test.expectEvent(sourceBufferA, "updateend", "initSegment append ended."); |
| test.expectEvent(sourceBufferV, "updateend", "initSegment append ended."); |
| sourceBufferA.appendBuffer(dataA); |
| sourceBufferV.appendBuffer(dataV); |
| test.waitForExpectedEvents(function() |
| { |
| assert_equals(mediaElement.audioTracks.length, 1, "mediaElement.audioTracks.length"); |
| assert_equals(mediaElement.videoTracks.length, 1, "mediaElement.audioTracks.length"); |
| assert_equals(sourceBufferA.audioTracks.length, 1, "sourceBufferA.audioTracks.length"); |
| assert_equals(sourceBufferA.videoTracks.length, 0, "sourceBufferA.videoTracks.length"); |
| assert_equals(sourceBufferV.audioTracks.length, 0, "sourceBufferV.audioTracks.length"); |
| assert_equals(sourceBufferV.videoTracks.length, 1, "sourceBufferV.videoTracks.length"); |
| // Verify that audio track bytestream id == video track bytestream id == "1" |
| assert_equals(sourceBufferA.audioTracks[0].label, "audio-label-for-track-bsid1", "audio track bytestream id is 1"); |
| assert_equals(sourceBufferV.videoTracks[0].label, "video-label-for-track-bsid1", "video track bytestream id is 1"); |
| // Track ids generated for media tracks must be unique, even though the tracks have identical bytestream ids. |
| assert_not_equals(sourceBufferA.audioTracks[0].id, sourceBufferV.videoTracks[0].id, "track ids must be unique"); |
| test.done(); |
| }); |
| }); |
| }); |
| }, "Two source buffers with clashing bytestream track ids"); |
| |
| </script> |
| </body> |
| </html> |
