| <!DOCTYPE html> |
| <!-- Copyright © 2016 Chromium authors and World Wide Web Consortium, (Massachusetts Institute of Technology, ERCIM, Keio University, Beihang). --> |
| <html> |
| <head> |
| <title>Checks MediaSource.activeSourceBuffers and changes to selected/enabled track state</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> |
| // Audio / Video files supported by the user agent under test |
| 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"; |
| var manifestFilenameAV = subType + "/test-av-384k-44100Hz-1ch-320x240-30fps-10kfr-manifest.json"; |
| |
| mediasource_test(function(test, mediaElement, mediaSource) |
| { |
| mediaElement.addEventListener("error", test.unreached_func("Unexpected event 'error'")); |
| MediaSourceUtil.fetchManifestAndData(test, manifestFilenameAudio, function (typeAudio, dataAudio) |
| { |
| var sourceBuffer = mediaSource.addSourceBuffer(typeAudio); |
| assert_equals(mediaSource.sourceBuffers.length, 1, |
| "sourceBuffers list contains one SourceBuffer"); |
| assert_equals(mediaSource.activeSourceBuffers.length, 0, |
| "activeSourceBuffers is empty to start with"); |
| |
| test.expectEvent(mediaSource.activeSourceBuffers, "addsourcebuffer"); |
| test.expectEvent(mediaElement, "loadedmetadata"); |
| sourceBuffer.appendBuffer(dataAudio); |
| |
| test.waitForExpectedEvents(function() |
| { |
| assert_equals(mediaSource.activeSourceBuffers.length, 1, |
| "activeSourceBuffers updated when media element is loaded"); |
| assert_equals(mediaSource.activeSourceBuffers[0], sourceBuffer, |
| "activeSourceBuffers contains sourceBuffer when media element is loaded"); |
| test.done(); |
| }); |
| }); |
| }, "SourceBuffer added to activeSourceBuffers list when its only audio track gets loaded (and thus becomes enabled)."); |
| |
| |
| mediasource_test(function(test, mediaElement, mediaSource) |
| { |
| mediaElement.addEventListener("error", test.unreached_func("Unexpected event 'error'")); |
| MediaSourceUtil.fetchManifestAndData(test, manifestFilenameVideo, function (typeVideo, dataVideo) |
| { |
| var sourceBuffer = mediaSource.addSourceBuffer(typeVideo); |
| assert_equals(mediaSource.sourceBuffers.length, 1, |
| "sourceBuffers list contains one SourceBuffer"); |
| assert_equals(mediaSource.activeSourceBuffers.length, 0, |
| "activeSourceBuffers is empty to start with"); |
| |
| test.expectEvent(mediaSource.activeSourceBuffers, "addsourcebuffer"); |
| test.expectEvent(mediaElement, "loadedmetadata"); |
| sourceBuffer.appendBuffer(dataVideo); |
| |
| test.waitForExpectedEvents(function() |
| { |
| assert_equals(mediaSource.activeSourceBuffers.length, 1, |
| "activeSourceBuffers updated when media element is loaded"); |
| assert_equals(mediaSource.activeSourceBuffers[0], sourceBuffer, |
| "activeSourceBuffers contains sourceBuffer when media element is loaded"); |
| test.done(); |
| }); |
| }); |
| }, "SourceBuffer added to activeSourceBuffers list when its only video track gets loaded (and thus becomes selected)."); |
| |
| function mediaSourceActiveSourceBufferOrderTest(addAudioFirst, appendAudioFirst) |
| { |
| 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, sourceBufferVideo, expectedFirstSB, expectedSecondSB; |
| if (addAudioFirst) { |
| expectedFirstSB = sourceBufferAudio = mediaSource.addSourceBuffer(typeAudio); |
| expectedSecondSB = sourceBufferVideo = mediaSource.addSourceBuffer(typeVideo); |
| } else { |
| expectedFirstSB = sourceBufferVideo = mediaSource.addSourceBuffer(typeVideo); |
| expectedSecondSB = sourceBufferAudio = mediaSource.addSourceBuffer(typeAudio); |
| } |
| |
| assert_equals(mediaSource.activeSourceBuffers.length, 0, |
| "activeSourceBuffers is empty to start with"); |
| assert_equals(mediaSource.sourceBuffers.length, 2, |
| "sourceBuffers list contains both SourceBuffers"); |
| assert_equals(mediaSource.sourceBuffers[0], expectedFirstSB, |
| "first SourceBuffer matches expectation"); |
| assert_equals(mediaSource.sourceBuffers[1], expectedSecondSB, |
| "second SourceBuffer matches expectation"); |
| test.expectEvent(mediaSource.activeSourceBuffers, "addsourcebuffer"); |
| test.expectEvent(mediaSource.activeSourceBuffers, "addsourcebuffer"); |
| test.expectEvent(mediaElement, "loadedmetadata"); |
| if (appendAudioFirst) { |
| sourceBufferAudio.appendBuffer(dataAudio); |
| sourceBufferVideo.appendBuffer(dataVideo); |
| } else { |
| sourceBufferVideo.appendBuffer(dataVideo); |
| sourceBufferAudio.appendBuffer(dataAudio); |
| } |
| |
| test.waitForExpectedEvents(function() |
| { |
| assert_equals(mediaSource.activeSourceBuffers.length, 2, |
| "activeSourceBuffers list updated when tracks are loaded"); |
| assert_equals(mediaSource.activeSourceBuffers[0], mediaSource.sourceBuffers[0], |
| "first active SourceBuffer matches first SourceBuffer"); |
| assert_equals(mediaSource.activeSourceBuffers[1], mediaSource.sourceBuffers[1], |
| "second active SourceBuffer matches second SourceBuffer"); |
| test.done(); |
| }); |
| }); |
| }); |
| }, |
| "Active SourceBuffers must appear in the same order as they appear in the sourceBuffers attribute: " + |
| (addAudioFirst ? "audio is first sourceBuffer" : "video is first sourceBuffer") + ", " + |
| (appendAudioFirst ? "audio media appended first" : "video media appended first")); |
| } |
| |
| mediaSourceActiveSourceBufferOrderTest(true, true); |
| mediaSourceActiveSourceBufferOrderTest(true, false); |
| mediaSourceActiveSourceBufferOrderTest(false, true); |
| mediaSourceActiveSourceBufferOrderTest(false, false); |
| |
| 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); |
| |
| test.expectEvent(sourceBufferAudio.audioTracks, "addtrack"); |
| test.expectEvent(sourceBufferVideo.videoTracks, "addtrack"); |
| sourceBufferAudio.appendBuffer(dataAudio); |
| sourceBufferVideo.appendBuffer(dataVideo); |
| |
| test.waitForExpectedEvents(function() |
| { |
| assert_equals(mediaSource.activeSourceBuffers.length, 2, |
| "activeSourceBuffers list updated when tracks are loaded"); |
| assert_equals(sourceBufferAudio.audioTracks.length, 1, |
| "audio track list contains loaded audio track"); |
| assert_equals(sourceBufferVideo.videoTracks.length, 1, |
| "video track list contains loaded video track"); |
| |
| test.expectEvent(mediaSource.activeSourceBuffers, "removesourcebuffer"); |
| sourceBufferAudio.audioTracks[0].enabled = false; |
| }); |
| |
| test.waitForExpectedEvents(function() |
| { |
| assert_equals(mediaSource.activeSourceBuffers.length, 1, |
| "audio source buffer no longer in the activeSourceBuffers list"); |
| assert_equals(mediaSource.activeSourceBuffers[0], sourceBufferVideo, |
| "activeSourceBuffers list only contains the video SourceBuffer"); |
| |
| test.expectEvent(mediaSource.activeSourceBuffers, "addsourcebuffer"); |
| test.expectEvent(mediaSource.activeSourceBuffers, "removesourcebuffer"); |
| sourceBufferAudio.audioTracks[0].enabled = true; |
| sourceBufferVideo.videoTracks[0].selected = false; |
| }); |
| |
| test.waitForExpectedEvents(function() |
| { |
| assert_equals(mediaSource.activeSourceBuffers.length, 1, |
| "video source buffer no longer in the activeSourceBuffers list"); |
| assert_equals(mediaSource.activeSourceBuffers[0], sourceBufferAudio, |
| "activeSourceBuffers list only contains the audio SourceBuffer"); |
| test.done(); |
| }); |
| }); |
| }); |
| }, "Active SourceBuffers list reflects changes to selected audio/video tracks associated with separate SourceBuffers."); |
| |
| |
| mediasource_test(function(test, mediaElement, mediaSource) |
| { |
| mediaElement.addEventListener("error", test.unreached_func("Unexpected event 'error'")); |
| MediaSourceUtil.fetchManifestAndData(test, manifestFilenameAV, function (typeAV, dataAV) |
| { |
| var sourceBuffer = mediaSource.addSourceBuffer(typeAV); |
| |
| test.expectEvent(sourceBuffer.audioTracks, "addtrack"); |
| test.expectEvent(sourceBuffer.videoTracks, "addtrack"); |
| sourceBuffer.appendBuffer(dataAV); |
| |
| test.waitForExpectedEvents(function() |
| { |
| assert_equals(mediaSource.activeSourceBuffers.length, 1, |
| "activeSourceBuffers list updated when tracks are loaded"); |
| assert_equals(sourceBuffer.audioTracks.length, 1, |
| "audio track list contains loaded audio track"); |
| assert_equals(sourceBuffer.videoTracks.length, 1, |
| "video track list contains loaded video track"); |
| |
| mediaSource.activeSourceBuffers.addEventListener("removesourcebuffer", test.unreached_func( |
| "Unexpected removal from activeSourceBuffers list")); |
| mediaSource.activeSourceBuffers.addEventListener("addsourcebuffer", test.unreached_func( |
| "Unexpected insertion in activeSourceBuffers list")); |
| |
| // Changes should only trigger events at the |
| // AudioTrack/VideoTrack instance |
| test.expectEvent(sourceBuffer.audioTracks, "change"); |
| sourceBuffer.audioTracks[0].enabled = false; |
| }); |
| |
| test.waitForExpectedEvents(function() |
| { |
| assert_equals(mediaSource.activeSourceBuffers.length, 1, |
| "activeSourceBuffers list unchanged"); |
| |
| test.expectEvent(sourceBuffer.videoTracks, "change"); |
| sourceBuffer.audioTracks[0].enabled = true; |
| sourceBuffer.videoTracks[0].selected = false; |
| }); |
| |
| test.waitForExpectedEvents(function() |
| { |
| assert_equals(mediaSource.activeSourceBuffers.length, 1, |
| "activeSourceBuffers list unchanged"); |
| test.done(); |
| }); |
| }); |
| }, "Active SourceBuffers list ignores changes to selected audio/video tracks " + |
| "that do not affect the activation of the SourceBuffer."); |
| </script> |
| </body> |
| </html> |
