36 lines
1.8 KiB
HTML
36 lines
1.8 KiB
HTML
<!doctype html>
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<meta charset=utf-8>
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<title>RTCPeerConnection Simulcast Tests</title>
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<meta name="timeout" content="long">
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<script src="../third_party/sdp/sdp.js"></script>
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<script src="simulcast.js"></script>
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<script src="../RTCPeerConnection-helper.js"></script>
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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="/resources/testdriver.js"></script>
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<script src="/resources/testdriver-vendor.js"></script>
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<script src="../../mediacapture-streams/permission-helper.js"></script>
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<script>
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promise_test(async t => {
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assert_implements('getCapabilities' in RTCRtpSender, 'RTCRtpSender.getCapabilities not supported');
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assert_implements_optional(RTCRtpSender.getCapabilities('video').codecs.find(c => c.mimeType.toLowerCase() === 'video/vp9'), 'VP9 not supported');
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const rids = [0, 1];
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const pc1 = new RTCPeerConnection();
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t.add_cleanup(() => pc1.close());
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const pc2 = new RTCPeerConnection();
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t.add_cleanup(() => pc2.close());
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// This is not a scalability mode test (see wpt/webrtc-svc/ for those) but a
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// VP9 simulcast test. Setting `scalabilityMode` should not be needed, however
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// some browsers interpret multiple VP9 encodings to mean multiple spatial
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// layers by default. During a transition period, Chromium-based browsers
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// requires explicitly specifying the scalability mode as a way to opt-in to
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// spec-compliant simulcast. See also wpt/webrtc/simulcast/vp9.https.html for
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// a version of this test that does not set the scalability mode.
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const scalabilityMode = 'L1T2';
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return negotiateSimulcastAndWaitForVideo(
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t, await getCameraStream(t), rids, pc1, pc2, {mimeType: 'video/VP9'},
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scalabilityMode);
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}, 'VP9 simulcast setup with two streams and L1T2 set');
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</script>
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