third_party/WebKit/LayoutTests/media/avtrack/track-switching.html - Issue 2684103005: Allow media track switching.

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Issue 2684103005: Allow media track switching. (Closed)

Patch Set: Fixed comments Created 3 years, 8 months ago

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	1 <!doctype html>

	2 <html>

	3 <head>

	4 <title>Media track switching during playback</title>

	5 <script src="../../resources/testharness.js"></script>

	6 <script src="../../resources/testharnessreport.js"></script>

	7 <script src="../media-file.js"></script>

	8 </head>

	9 <body>

	10 <script>

	11 async_test(function(t)

	12 {

	13 var video = document.createElement("video");

	14 video.src = "../content/multitrack-3video-2audio.webm";

	15

	16 video.onloadedmetadata = t.step_func(function()

	17 {

	18 assert_equals(video.videoTracks.length, 3, "videoTracks.leng th");

	19 assert_equals(video.audioTracks.length, 2, "audioTracks.leng th");

	20

	21 assert_true(video.videoTracks[0].selected, "videoTrack[0].se lected");

	22 assert_false(video.videoTracks[1].selected, "videoTrack[1].s elected");

	23 assert_false(video.videoTracks[2].selected, "videoTrack[2].s elected");

	24 assert_true(video.audioTracks[0].enabled, "audioTracks[0].en abled");

	25 assert_false(video.audioTracks[1].enabled, "audioTracks[1].e nabled");

	26

	27 var videoWatcher = new EventWatcher(t, video, ["playing"]);

	28 var audioTracksWatcher = new EventWatcher(t, video.audioTrac ks, ["change"]);

	29 var videoTracksWatcher = new EventWatcher(t, video.videoTrac ks, ["change"]);

	30

	31 videoWatcher.wait_for("playing").then(t.step_func(function() {

	32 video.videoTracks[1].selected = true;

	33 return videoTracksWatcher.wait_for("change");

	34 })).then(t.step_func(function() {

	35 assert_false(video.videoTracks[0].selected, "videoTrack[ 0].selected");

	36 assert_true(video.videoTracks[1].selected, "videoTrack[1 ].selected");

	37 video.audioTracks[0].enabled = false;

	38 return audioTracksWatcher.wait_for("change");

	39 })).then(t.step_func(function() {

	40 assert_false(video.audioTracks[0].enabled, "audioTracks[ 0].enabled");

	41 assert_false(video.audioTracks[1].enabled, "audioTracks[ 1].enabled");

	42 video.audioTracks[1].enabled = true;

	43 return audioTracksWatcher.wait_for("change");

	44 })).then(t.step_func(function() {

	45 assert_false(video.audioTracks[0].enabled, "audioTracks[ 0].enabled");

	46 assert_true(video.audioTracks[1].enabled, "audioTracks[1 ].enabled");

	47 setTimeout(t.step_func_done(), 500);

	48 }));

	49 video.play();

	50 });

	51 }, "VideoTrackList track change");

	52 </script>

	53 </body>

	54 </html>

	55

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