WPT
wpt / media-source / mediasource-changetype-play.html
Spec: Media Source Extensions™ ↗
Runs: Chrome 155.0.8039.0 (wpt@2b4dfe72c, 2026-09-03) | Firefox 157.0a1 (wpt@2b4dfe72c, 2026-09-03) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-56c61 (wpt@ed1909ed6, 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 | 19/19 | 14/19 | 19/19 | 1/19 | 0/19 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| Check if browser supports enough test media types | PASS | PASS | PASS | PASS | FAIL | — |
| Test audio-only changeType for audio/webm; codecs="vorbis" <-> audio/webm; codecs="vorbis" | PASS | PASS | PASS | FAIL | — | — |
| Test audio-only changeType for audio/webm; codecs="vorbis" <-> audio/mp4; codecs="mp4a.40.2" | PASS | PASS | PASS | FAIL | — | — |
| Test audio-only changeType for audio/webm; codecs="vorbis" <-> audio/mpeg | PASS | — | PASS | — | — | — |
| Test audio-only changeType for audio/mp4; codecs="mp4a.40.2" <-> audio/webm; codecs="vorbis" | PASS | PASS | PASS | FAIL | — | — |
| Test audio-only changeType for audio/mp4; codecs="mp4a.40.2" <-> audio/mp4; codecs="mp4a.40.2" | PASS | PASS | PASS | FAIL | — | — |
| Test audio-only changeType for audio/mp4; codecs="mp4a.40.2" <-> audio/mpeg | PASS | — | PASS | — | — | — |
| Test audio-only changeType for audio/mpeg <-> audio/webm; codecs="vorbis" | PASS | — | PASS | — | — | — |
| Test audio-only changeType for audio/mpeg <-> audio/mp4; codecs="mp4a.40.2" | PASS | — | PASS | — | — | — |
| Test audio-only changeType for audio/mpeg <-> audio/mpeg | PASS | — | PASS | — | — | — |
| Test video-only changeType for video/webm; codecs="vp8" <-> video/webm; codecs="vp8" | PASS | PASS | PASS | FAIL | — | — |
| Test video-only changeType for video/webm; codecs="vp8" <-> video/webm; codecs="vp9" | PASS | PASS | PASS | FAIL | — | — |
| Test video-only changeType for video/webm; codecs="vp8" <-> video/mp4; codecs="avc1.4D4001" | PASS | PASS | PASS | FAIL | — | — |
| Test video-only changeType for video/webm; codecs="vp9" <-> video/webm; codecs="vp8" | PASS | PASS | PASS | FAIL | — | — |
| Test video-only changeType for video/webm; codecs="vp9" <-> video/webm; codecs="vp9" | PASS | PASS | PASS | FAIL | — | — |
| Test video-only changeType for video/webm; codecs="vp9" <-> video/mp4; codecs="avc1.4D4001" | PASS | PASS | PASS | FAIL | — | — |
| Test video-only changeType for video/mp4; codecs="avc1.4D4001" <-> video/webm; codecs="vp8" | PASS | PASS | PASS | FAIL | — | — |
| Test video-only changeType for video/mp4; codecs="avc1.4D4001" <-> video/webm; codecs="vp9" | PASS | PASS | PASS | FAIL | — | — |
| Test video-only changeType for video/mp4; codecs="avc1.4D4001" <-> video/mp4; codecs="avc1.4D4001" | PASS | PASS | PASS | FAIL | — | — |