blob: aa8b65e2a83bd7cd71f584ccfe042e7fbeb0b802 [file] [log] [blame]
<!DOCTYPE html>
<html>
<head>
<title>media-source-samples-out-of-order</title>
<script src="mock-media-source.js"></script>
<script src="../video-test.js"></script>
<script>
var source;
var sourceBuffer;
var initSegment;
var mediaSegment;
if (window.internals)
internals.initializeMockMediaSource();
window.addEventListener('load', async event => {
findMediaElement();
source = new MediaSource();
run('video.src = URL.createObjectURL(source)');
await waitFor(source, 'sourceopen');
run('sourceBuffer = source.addSourceBuffer("video/mock; codecs=mock")');
consoleWrite('First segment has normal, monotonically increasing samples.')
mediaSegment = concatenateSamples([
makeAInit(2, [makeATrack(1, 'mock', TRACK_KIND.AUDIO)]),
makeASample(1, 1, 1, 1, 1, SAMPLE_FLAG.SYNC, 0),
makeASample(2, 2, 1, 1, 1, SAMPLE_FLAG.NONE, 0),
makeASample(3, 3, 1, 1, 1, SAMPLE_FLAG.NONE, 0),
]);
run('sourceBuffer.appendBuffer(mediaSegment)');
await waitFor(sourceBuffer, 'updateend');
bufferedSamples = internals.bufferedSamplesForTrackID(sourceBuffer, 1);
testExpected("bufferedSamples.length", 3);
bufferedSamples.forEach(consoleWrite);
consoleWrite('Second, overlapping segment has out-of-display-order samples. This append should replace the last sample from the previous append.')
mediaSegment = concatenateSamples([
makeAInit(2, [makeATrack(1, 'mock', TRACK_KIND.AUDIO)]),
makeASample(4, 2, 1, 1, 1, SAMPLE_FLAG.SYNC, 1),
]);
run('sourceBuffer.appendBuffer(mediaSegment)');
await waitFor(sourceBuffer, 'updateend');
bufferedSamples = internals.bufferedSamplesForTrackID(sourceBuffer, 1);
testExpected("bufferedSamples.length", 3);
bufferedSamples.forEach(consoleWrite);
endTest();
});
</script>
</head>
<body>
<video></video>
</body>
</html>