WPT
wpt / mediacapture-record / MediaRecorder-error.html
Spec: MediaStream Recording ↗
Runs: Chrome 155.0.8041.0 (wpt@07d3da1fa, 2026-09-04) | Firefox 157.0a1 (wpt@4fbf9ef4d, 2026-09-04) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-a7825 (wpt@4fbf9ef4d, 2026-09-04) | Servo Servo 0.6 (wpt@7e3d005d7, 2026-09-03) | 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 | 4/4 | 1/4 | 1/4 | 0/4 | 0/4 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| MediaRecorder will stop recording when any of track is added and error event will be fired | PASS | FAIL | FAIL | FAIL | FAIL | — |
| MediaRecorder will stop recording when any of track is removed and error event will be fired | PASS | FAIL | FAIL | FAIL | FAIL | — |
| MediaRecorder cannot start recording when MediaRecorder' state is not inactive and an InvalidStateError should be thrown | PASS | PASS | PASS | FAIL | FAIL | — |
| MediaRecorder throws NotSupportedError when given both videoKeyFrameIntervalDuration and videoKeyFrameIntervalCount | PASS | FAIL | FAIL | FAIL | FAIL | — |