101 lines
4 KiB
HTML
101 lines
4 KiB
HTML
<!doctype html>
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<meta charset=utf-8>
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<title>RTCRtpReceiver.prototype.getParameters</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="dictionary-helper.js"></script>
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<script src="RTCPeerConnection-helper.js"></script>
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<script src="RTCRtpParameters-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-pc/archives/20170605/webrtc.html
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// The following helper functions are called from RTCRtpParameters-helper.js:
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// validateReceiverRtpParameters
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/*
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Validates the RTCRtpParameters returned from RTCRtpReceiver.prototype.getParameters
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5.3. RTCRtpReceiver Interface
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getParameters
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When getParameters is called, the RTCRtpParameters dictionary is constructed
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as follows:
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- The headerExtensions sequence is populated based on the header extensions that
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the receiver is currently prepared to receive.
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- The codecs sequence is populated based on the codecs that the receiver is currently
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prepared to receive.
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- rtcp.reducedSize is set to true if the receiver is currently prepared to receive
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reduced-size RTCP packets, and false otherwise. rtcp.cname is left undefined.
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*/
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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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pc.addTransceiver('audio');
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const callee = await doOfferAnswerExchange(t, pc);
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const param = callee.getTransceivers()[0].receiver.getParameters();
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validateReceiverRtpParameters(param);
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assert_greater_than(param.headerExtensions.length, 0);
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assert_greater_than(param.codecs.length, 0);
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}, 'getParameters() with audio receiver');
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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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pc.addTransceiver('video');
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const callee = await doOfferAnswerExchange(t, pc);
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const param = callee.getTransceivers()[0].receiver.getParameters();
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validateReceiverRtpParameters(param);
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assert_greater_than(param.headerExtensions.length, 0);
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assert_greater_than(param.codecs.length, 0);
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}, 'getParameters() with video receiver');
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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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pc.addTransceiver('video', {
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sendEncodings: [
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{ rid: "rid1" },
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{ rid: "rid2" }
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]
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});
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const callee = await doOfferAnswerExchange(t, pc);
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const param = callee.getTransceivers()[0].receiver.getParameters();
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validateReceiverRtpParameters(param);
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assert_greater_than(param.headerExtensions.length, 0);
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assert_greater_than(param.codecs.length, 0);
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}, 'getParameters() with simulcast video receiver');
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promise_test(async t => {
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const stream = await getNoiseStream({video: true});
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t.add_cleanup(() => stream.getTracks().forEach(track => track.stop()));
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const [track] = stream.getTracks();
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const caller = new RTCPeerConnection();
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t.add_cleanup(() => caller.close());
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caller.addTrack(track);
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const callee = new RTCPeerConnection();
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t.add_cleanup(() => callee.close());
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callee.addTrack(track);
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var callerReceiver = caller.getTransceivers()[0].receiver;
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assert_equals(callerReceiver.getParameters().codecs.length, 0);
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const offer = await caller.createOffer();
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await caller.setLocalDescription(offer);
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await callee.setRemoteDescription(offer);
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var calleeReceiver = callee.getTransceivers()[0].receiver;
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assert_equals(calleeReceiver.getParameters().codecs.length, 0);
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const answer = await callee.createAnswer();
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await callee.setLocalDescription(answer);
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assert_greater_than(calleeReceiver.getParameters().codecs.length, 0,
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"callee codecs after answer");
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await caller.setRemoteDescription(answer);
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assert_greater_than(callerReceiver.getParameters().codecs.length, 0,
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"caller codecs after answer");
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}, 'getParameters() surfaces codecs on two-way receiver at the right time');
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</script>
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