38 lines
1.4 KiB
HTML
38 lines
1.4 KiB
HTML
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>Adapt camera track framerate</title>
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<script src="../../resources/testharness.js"></script>
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<script src="../../resources/testharnessreport.js"></script>
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<script src ="../../webrtc/routines.js"></script>
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</head>
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<body>
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<video autoplay id="video"></video>
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<script>
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promise_test(async (t) => {
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const stream1 = await navigator.mediaDevices.getUserMedia({ video: { width: 720, frameRate : 30 } });
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const stream2 = stream1.clone();
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await stream2.getVideoTracks()[0].applyConstraints({ width : 160, frameRate : 5 });
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// We adapt frame rate after 1 second of samples.
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await new Promise(resolve => setTimeout(resolve, 1000));
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let frameRate = await computeFrameRate(stream1, video);
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// On heavily loaded bots, our mock capture source might not be able to deliver 30 fps. Our test only makes sense if we have sufficient fps.
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if (frameRate <= 10)
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return;
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assert_greater_than(frameRate, 10, "stream1 frame rate above 10");
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assert_less_than(frameRate, 60, "stream1 frame rate below 60");
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frameRate = await computeFrameRate(stream2, video);
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assert_greater_than(frameRate, 1, "stream2 frame rate above 1");
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assert_less_than(frameRate, 10, "stream2 frame rate below 10");
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}, "clone and applyConstraints to decrease frame rate");
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</script>
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</body>
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</html>
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