97 lines
3.5 KiB
HTML
97 lines
3.5 KiB
HTML
<!doctype html>
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<meta charset=utf-8>
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<meta name="timeout" content="long">
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<title>RTCRtpParameters encodings</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/dictionary-helper.js"></script>
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<script src="/webrtc/RTCRtpParameters-helper.js"></script>
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<script src="../webrtc/RTCPeerConnection-helper.js"></script>
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<script>
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'use strict';
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// Test is based on the following editor draft:
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// https://w3c.github.io/webrtc-svc/
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promise_test(async t => {
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const pc = new RTCPeerConnection();
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t.add_cleanup(() => pc.close());
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const { sender } = pc.addTransceiver('video', {
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sendEncodings: [{scalabilityMode: 'L1T3'}],
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});
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const param = sender.getParameters();
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const encoding = param.encodings[0];
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assert_equals(encoding.scalabilityMode, 'L1T3');
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encoding.scalabilityMode = 'L1T2';
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await sender.setParameters(param);
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const updatedParam = sender.getParameters();
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const updatedEncoding = updatedParam.encodings[0];
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assert_equals(updatedEncoding.scalabilityMode, 'L1T2');
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}, `Setting and updating scalabilityMode to a legal value should be accepted`);
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promise_test(async t => {
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const pc = new RTCPeerConnection();
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t.add_cleanup(() => pc.close());
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const { sender } = pc.addTransceiver('video');
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const param = sender.getParameters();
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const encoding = param.encodings[0];
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assert_true(!('scalabilityMode' in encoding));
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}, 'Not setting sendEncodings results in no mode info before negotiation');
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promise_test(async t => {
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const pc = new RTCPeerConnection();
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t.add_cleanup(() => pc.close());
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const { sender } = pc.addTransceiver('video', {
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sendEncodings: [{}],
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});
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const param = sender.getParameters();
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const encoding = param.encodings[0];
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assert_true(!('scalabilityMode' in encoding));
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}, 'Not setting a scalability mode results in no mode set before negotiation');
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promise_test(async t => {
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const pc = new RTCPeerConnection();
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t.add_cleanup(() => pc.close());
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assert_throws_dom('OperationError', () => {
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pc.addTransceiver('video', {
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sendEncodings: [{scalabilityMode: 'TotalNonsense'}],
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});
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});
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}, 'Setting a scalability mode to nonsense throws an exception');
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promise_test(async t => {
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const v = document.createElement('video');
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v.autoplay = true;
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const pc1 = new RTCPeerConnection();
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const pc2 = new RTCPeerConnection();
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t.add_cleanup(() => pc1.close());
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t.add_cleanup(() => pc2.close());
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const transceiver = pc1.addTransceiver('video', {
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sendEncodings: [{ scalabilityMode: 'L3T3' }],
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});
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// Before negotiation, the mode should be preserved.
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const param = transceiver.sender.getParameters();
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const encoding = param.encodings[0];
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assert_true('scalabilityMode' in encoding);
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// If L3T3 is not supported at all, abort test.
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assert_implements_optional(encoding.scalabilityMode === 'L3T3');
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pc2.ontrack = e => {
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// Pick a codec known to not have L3T3 support.
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const capabilities = RTCRtpReceiver.getCapabilities('video');
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const codec = capabilities.codecs.find(c => c.mimeType === 'video/VP8');
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assert_true(codec !== undefined);
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e.transceiver.setCodecPreferences([codec]);
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}
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exchangeIceCandidates(pc1, pc2);
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await exchangeOfferAnswer(pc1, pc2);
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const sendParams = pc1.getSenders()[0].getParameters();
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assert_not_equals(sendParams.encodings[0].scalabilityMode, 'L3T3');
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}, 'L3T3 on VP8 should return something other than L3T3');
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</script>
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