WPT
wpt / webrtc-extensions / RTCRtpSynchronizationSource-senderCaptureTimeOffset.html
Spec: https://w3c.github.io/webrtc-extensions/ ↗
Runs: Chrome 155.0.8041.0 (wpt@18be93235, 2026-09-04) | Firefox 157.0a1 (wpt@1b4bc17cf, 2026-09-04) | Safari 251 preview (wpt@2c385f65e, 2026-09-04) | Ladybird 1.0-17043 (wpt@25681acff, 2026-09-04) | Servo Servo 0.6 (wpt@2c385f65e, 2026-09-04) | Blitz a50cb8971 (wpt@a95401e4e, 2026-09-03)
View on the Blitz WPT dashboard | Open test on wpt.live | wpt.fyi
| Chrome | Firefox | Safari | Ladybird | Servo | Blitz | |
|---|---|---|---|---|---|---|
| Total | 7/7 | 4/7 | 4/7 | 0/7 | 0/7 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| [audio] getSynchronizationSources() should not contain senderCaptureTimeOffset if absolute capture time RTP header extension is not offered | PASS | PASS | PASS | FAIL | FAIL | — |
| [audio] getSynchronizationSources() should not contain senderCaptureTimeOffset if absolute capture time RTP header extension is offered, but not answered | PASS | PASS | PASS | FAIL | FAIL | — |
| [audio] getSynchronizationSources() should contain senderCaptureTimeOffset if absolute capture time RTP header extension is negotiated | PASS | FAIL | FAIL | FAIL | FAIL | — |
| [video] getSynchronizationSources() should not contain senderCaptureTimeOffset if absolute capture time RTP header extension is not offered | PASS | PASS | PASS | FAIL | FAIL | — |
| [video] getSynchronizationSources() should not contain senderCaptureTimeOffset if absolute capture time RTP header extension is offered, but not answered | PASS | PASS | PASS | FAIL | FAIL | — |
| [video] getSynchronizationSources() should contain senderCaptureTimeOffset if absolute capture time RTP header extension is negotiated | PASS | FAIL | FAIL | FAIL | FAIL | — |
| Audio and video RTCRtpSynchronizationSource.senderCaptureTimeOffset must be zero | PASS | FAIL | FAIL | FAIL | FAIL | — |