| <!doctype html> |
| <meta charset=utf-8> |
| <title>RTCRtpSender.prototype.getParameters</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="dictionary-helper.js"></script> |
| <script src="RTCPeerConnection-helper.js"></script> |
| <script src="RTCRtpParameters-helper.js"></script> |
| <script> |
| 'use strict'; |
| |
| promise_test(async t => { |
| const stream = await getNoiseStream({video: true}); |
| t.add_cleanup(() => stream.getTracks().forEach(track => track.stop())); |
| const [track] = stream.getTracks(); |
| const caller = new RTCPeerConnection(); |
| t.add_cleanup(() => caller.close()); |
| caller.addTrack(track); |
| const callee = new RTCPeerConnection(); |
| t.add_cleanup(() => callee.close()); |
| callee.addTrack(track); |
| var callerSender = caller.getTransceivers()[0].sender; |
| assert_equals(callerSender.getParameters().codecs.length, 0); |
| assert_equals(callerSender.getParameters().headerExtensions.length, 0, |
| "caller header extensions before offer"); |
| const offer = await caller.createOffer(); |
| await caller.setLocalDescription(offer); |
| await callee.setRemoteDescription(offer); |
| // Check that it is a single 2-way transceiver. |
| assert_equals(callee.getTransceivers().length, 1); |
| var calleeSender = callee.getTransceivers()[0].sender; |
| assert_equals(calleeSender.getParameters().codecs.length, 0); |
| const answer = await callee.createAnswer(); |
| await callee.setLocalDescription(answer); |
| assert_greater_than(calleeSender.getParameters().codecs.length, 0, |
| "callee codecs after answer"); |
| await caller.setRemoteDescription(answer); |
| assert_greater_than(callerSender.getParameters().codecs.length, 0, |
| "caller codecs after answer"); |
| assert_greater_than(callerSender.getParameters().headerExtensions.length, 0, |
| "caller header extensions after answer"); |
| }, 'getParameters() surfaces codecs on two-way sender with addTrack at the right time'); |
| |
| </script> |
