WPT
wpt / webrtc / RTCRtpParameters-codecs.html?rest
Spec: WebRTC ↗
Runs: Chrome 155.0.8039.0 (wpt@6ec9fd59f, 2026-09-03) | Firefox 157.0a1 (wpt@6ec9fd59f, 2026-09-03) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-795e1 (wpt@7e3d005d7, 2026-09-03) | Servo Servo 0.6 (wpt@09159dcb3, 2026-09-02) | Blitz 188486089 (wpt@a95401e4e, 2026-09-02)
View on the Blitz WPT dashboard | Open test on wpt.live | wpt.fyi
| Chrome | Firefox | Safari | Ladybird | Servo | Blitz | |
|---|---|---|---|---|---|---|
| Total | 4/20 | 16/20 | 4/20 | 0/20 | 0/20 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| setParameters() with codecs undefined should reject with InvalidModificationError (audio) | FAIL | PASS | FAIL | FAIL | FAIL | — |
| RTCRtpSender.getParameters() should not have codecs before SDP negotiation completes (audio) | PASS | PASS | PASS | FAIL | FAIL | — |
| RTCRtpReceiver.getParameters() should not have codecs before SDP negotiation completes (audio) | PASS | PASS | PASS | FAIL | FAIL | — |
| RTCRtpSender.getParameters() should have codecs after negotiation (audio) | FAIL | PASS | FAIL | FAIL | FAIL | — |
| RTCRtpReceiver.getParameters() should have codecs after negotiation (audio) | FAIL | PASS | FAIL | FAIL | FAIL | — |
| RTCRtpReceiver.getParameters() codecs should match local SDP (audio, offerer) | FAIL | PASS | FAIL | FAIL | FAIL | — |
| setParameters() with codecs undefined should reject with InvalidModificationError (video) | FAIL | PASS | FAIL | FAIL | FAIL | — |
| RTCRtpSender.getParameters() should not have codecs before SDP negotiation completes (video) | PASS | PASS | PASS | FAIL | FAIL | — |
| RTCRtpReceiver.getParameters() should not have codecs before SDP negotiation completes (video) | PASS | PASS | PASS | FAIL | FAIL | — |
| RTCRtpSender.getParameters() should have codecs after negotiation (video) | FAIL | PASS | FAIL | FAIL | FAIL | — |
| RTCRtpReceiver.getParameters() should have codecs after negotiation (video) | FAIL | PASS | FAIL | FAIL | FAIL | — |
| RTCRtpReceiver.getParameters() codecs should match local SDP (video, offerer) | FAIL | PASS | FAIL | FAIL | FAIL | — |
| RTCRtpSender.getParameters() codecs should match remote SDP (audio, no fmtp checks, offerer) | FAIL | PASS | FAIL | FAIL | FAIL | — |
| RTCRtpSender.getParameters() codecs should match remote SDP (audio, no fmtp checks, answerer) | FAIL | PASS | FAIL | FAIL | FAIL | — |
| RTCRtpSender.getParameters() codecs should match remote SDP (audio, with fmtp checks, offerer) | FAIL | FAIL | FAIL | FAIL | FAIL | — |
| RTCRtpSender.getParameters() codecs should match remote SDP (audio, with fmtp checks, answerer) | FAIL | FAIL | FAIL | FAIL | FAIL | — |
| RTCRtpSender.getParameters() codecs should match remote SDP (video, minimal fmtp checks, offerer) | FAIL | PASS | FAIL | FAIL | FAIL | — |
| RTCRtpSender.getParameters() codecs should match remote SDP (video, minimal fmtp checks, answerer) | FAIL | PASS | FAIL | FAIL | FAIL | — |
| RTCRtpSender.getParameters() codecs should match remote SDP (video, with fmtp checks, offerer) | FAIL | FAIL | FAIL | FAIL | FAIL | — |
| RTCRtpSender.getParameters() codecs should match remote SDP (video, with fmtp checks, answerer) | FAIL | FAIL | FAIL | FAIL | FAIL | — |