| <!doctype html> |
| <meta charset=utf-8> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="../third_party/sdp/sdp.js"></script> |
| <script> |
| 'use strict'; |
| |
| promise_test(async t => { |
| const av1SendCodec = RTCRtpSender.getCapabilities('video').codecs.find( |
| codec => codec.mimeType == 'video/AV1'); |
| assert_not_equals(av1SendCodec, undefined); |
| |
| const pc1 = new RTCPeerConnection(); |
| t.add_cleanup(() => pc1.close()); |
| const pc2 = new RTCPeerConnection(); |
| t.add_cleanup(() => pc2.close()); |
| |
| const transceiver = pc1.addTransceiver('video'); |
| transceiver.setCodecPreferences([av1SendCodec]); |
| |
| await pc1.setLocalDescription(); |
| await pc2.setRemoteDescription(pc1.localDescription); |
| await pc2.setLocalDescription(); |
| await pc1.setRemoteDescription(pc2.localDescription); |
| |
| // Modify the profile ID of `av1SendCodec` to ensure a strict codec comparison |
| // matcher would no longer consider them the same. |
| const sdpFmtpMap = SDPUtils.parseFmtp(av1SendCodec.sdpFmtpLine); |
| const profileId = Number(sdpFmtpMap['profile']); |
| av1SendCodec.sdpFmtpLine = |
| av1SendCodec.sdpFmtpLine.replace(`profile=${profileId}`, |
| `profile=${profileId + 1}`); |
| |
| const sender = transceiver.sender; |
| let params = sender.getParameters(); |
| params.encodings[0].codec = av1SendCodec; |
| // Set parameters should not reject because the codec dictionary match |
| // algorithm[1] is able to ignore asymmetrical parameters such as AV1's |
| // `profile` parameter, see [2]. |
| // |
| // [1] https://w3c.github.io/webrtc-pc/#dfn-codec-dictionary-match |
| // [2] https://aomediacodec.github.io/av1-rtp-spec/#723-usage-with-the-sdp-offeranswer-model |
| await sender.setParameters(params); |
| // getParameters() returns `av1SendCodec` now. |
| params = sender.getParameters(); |
| assert_equals(params.encodings[0].codec.mimeType, 'video/AV1'); |
| assert_equals(params.encodings[0].codec.sdpFmtpLine, |
| av1SendCodec.sdpFmtpLine); |
| }, `setParameters() ignores the asymmetrical AV1 parameter 'profile'`); |
| </script> |
