72 lines
2.6 KiB
HTML
72 lines
2.6 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<title>media-source-append-remove-b-frame</title>
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<script src="mock-media-source.js"></script>
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<script src="../video-test.js"></script>
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<script>
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var source;
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var sourceBuffer;
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var initSegment;
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if (window.internals)
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internals.initializeMockMediaSource();
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function ibpSampleRun() {
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// IBP in presentation order, IPB in decode order.
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return concatenateSamples([
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makeASample(0, -1, 1, 1, 1, SAMPLE_FLAG.SYNC), // I
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makeASample(2, 0, 1, 1, 1, SAMPLE_FLAG.NONE), // P
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makeASample(1, 1, 1, 1, 1, SAMPLE_FLAG.NONE), // B
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]);
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}
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window.addEventListener('load', async () => {
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findMediaElement();
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source = new MediaSource();
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testExpected('source.readyState', 'closed');
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const sourceOpened = waitFor(source, 'sourceopen');
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const videoSource = document.createElement('source');
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videoSource.type = 'video/mock; codecs=mock';
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videoSource.src = URL.createObjectURL(source);
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video.appendChild(videoSource);
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await sourceOpened;
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run('sourceBuffer = source.addSourceBuffer("video/mock; codecs=mock")');
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initSegment = makeAInit(10, [makeATrack(1, 'mock', TRACK_KIND.VIDEO)]);
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run('sourceBuffer.appendBuffer(initSegment)');
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await waitFor(sourceBuffer, 'updateend');
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run('sourceBuffer.appendBuffer(ibpSampleRun())');
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await waitFor(sourceBuffer, 'updateend');
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let enqueuedSamples = await internals.enqueuedSamplesForTrackID(sourceBuffer, 1);
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enqueuedSamples.forEach(consoleWrite);
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run('sourceBuffer.remove(1, 2)');
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await waitFor(sourceBuffer, 'updateend');
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// Even if .remove() sets trackBuffer.needsReenqueueing to true, reenqueueing will only happen after an append.
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// So let's make an empty append.
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run('sourceBuffer.appendBuffer(new Uint8Array())');
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await waitFor(sourceBuffer, 'updateend');
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consoleWrite("The frame with presentation time [1, 2) should have been deleted from the buffered samples and " +
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"a reenqueue must have happened. That frame should not have been enqueued.");
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consoleWrite("Buffered:");
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bufferedSamples = await internals.bufferedSamplesForTrackId(sourceBuffer, 1);
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bufferedSamples.forEach(consoleWrite);
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consoleWrite("Enqueued:");
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enqueuedSamples = await internals.enqueuedSamplesForTrackID(sourceBuffer, 1);
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enqueuedSamples.forEach(consoleWrite);
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endTest();
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});
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</script>
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</head>
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<body>
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<video controls></video>
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</body>
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</html> |