<!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>
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chromium