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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
commit6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch)
treea68f146d7fa01f0134297619fbe7e33db084e0aa /testing/web-platform/tests/media-source/mediasource-activesourcebuffers.html
parentInitial commit. (diff)
downloadthunderbird-upstream.tar.xz
thunderbird-upstream.zip
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
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>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>
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