blob: 8277654a6b47cd8f049ec7e81877e1040fc19ca9 [file] [log] [blame]
<!DOCTYPE html>
<html>
<head>
<title>media-source-timestampoffset-rounding-error</title>
<script src="mock-media-source.js"></script>
<script src="../video-test.js"></script>
<script>
var source;
var sourceBuffer;
var initSegment;
var bufferedSamples;
var enqueuedSamples;
if (window.internals)
internals.initializeMockMediaSource();
function makeVideo(generation, timeScale) {
const init = makeAInit(2, [makeATrack(1, 'mock', TRACK_KIND.VIDEO)]);
const samples = [];
for (let time = 0; time < 2 * timeScale; time++)
samples.push(makeASample(time, time, 1, timeScale, 1, time % 2 === 0 ? SAMPLE_FLAG.SYNC : SAMPLE_FLAG.NONE, generation));
return concatenateSamples([init].concat(samples));
}
window.addEventListener('load', async () => {
findMediaElement();
source = new MediaSource();
testExpected('source.readyState', 'closed');
const sourceOpened = waitFor(source, 'sourceopen');
const videoSource = document.createElement('source');
videoSource.type = 'video/mock; codecs=mock';
videoSource.src = URL.createObjectURL(source);
video.appendChild(videoSource);
await sourceOpened;
run('sourceBuffer = source.addSourceBuffer("video/mock; codecs=mock")');
run('sourceBuffer.appendBuffer(makeVideo(0, 6))');
await waitFor(sourceBuffer, 'updateend');
bufferedSamples = await internals.bufferedSamplesForTrackId(sourceBuffer, 1);
enqueuedSamples = await internals.enqueuedSamplesForTrackID(sourceBuffer, 1);
run("sourceBuffer.timestampOffset = 1");
run('sourceBuffer.appendBuffer(makeVideo(1, 6))');
await waitFor(sourceBuffer, 'updateend');
bufferedSamples = await internals.bufferedSamplesForTrackId(sourceBuffer, 1);
enqueuedSamples = await internals.enqueuedSamplesForTrackID(sourceBuffer, 1);
run("sourceBuffer.timestampOffset = 1.5");
run('sourceBuffer.appendBuffer(makeVideo(2, 5))');
await waitFor(sourceBuffer, 'updateend');
bufferedSamples = await internals.bufferedSamplesForTrackId(sourceBuffer, 1);
enqueuedSamples = await internals.enqueuedSamplesForTrackID(sourceBuffer, 1);
consoleWrite("Buffered:");
bufferedSamples.forEach(consoleWrite);
endTest();
});
</script>
</head>
<body>
<video controls></video>
</body>
</html>