WPT
wpt / media-source / mediasource-changetype-play-implicit.html
Spec: Media Source Extensions™ ↗
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 | 7/16 | 15/16 | 16/16 | 1/16 | 0/16 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| Check if browser supports enough test media types and pairs of audio-only or video-only media with same bytestream format | PASS | PASS | PASS | PASS | FAIL | — |
| Test audio-only implicit changeType for audio/webm; codecs="vorbis" <-> audio/webm; codecs="vorbis" | PASS | PASS | PASS | FAIL | — | — |
| Test audio-only implicit changeType for audio/webm; codecs="vorbis" <-> audio/webm; codecs="vorbis" (using types without codecs parameters for addSourceBuffer) | FAIL | PASS | PASS | FAIL | — | — |
| Test audio-only implicit changeType for audio/mp4; codecs="mp4a.40.2" <-> audio/mp4; codecs="mp4a.40.2" | PASS | PASS | PASS | FAIL | — | — |
| Test audio-only implicit changeType for audio/mp4; codecs="mp4a.40.2" <-> audio/mp4; codecs="mp4a.40.2" (using types without codecs parameters for addSourceBuffer) | FAIL | PASS | PASS | FAIL | — | — |
| Test audio-only implicit changeType for audio/mpeg <-> audio/mpeg | PASS | — | PASS | — | — | — |
| Test video-only implicit changeType for video/webm; codecs="vp8" <-> video/webm; codecs="vp8" | PASS | PASS | PASS | FAIL | — | — |
| Test video-only implicit changeType for video/webm; codecs="vp8" <-> video/webm; codecs="vp8" (using types without codecs parameters for addSourceBuffer) | FAIL | PASS | PASS | FAIL | — | — |
| Test video-only implicit changeType for video/webm; codecs="vp8" <-> video/webm; codecs="vp9" | FAIL | PASS | PASS | FAIL | — | — |
| Test video-only implicit changeType for video/webm; codecs="vp8" <-> video/webm; codecs="vp9" (using types without codecs parameters for addSourceBuffer) | FAIL | PASS | PASS | FAIL | — | — |
| Test video-only implicit changeType for video/webm; codecs="vp9" <-> video/webm; codecs="vp8" | FAIL | PASS | PASS | FAIL | — | — |
| Test video-only implicit changeType for video/webm; codecs="vp9" <-> video/webm; codecs="vp8" (using types without codecs parameters for addSourceBuffer) | FAIL | PASS | PASS | FAIL | — | — |
| Test video-only implicit changeType for video/webm; codecs="vp9" <-> video/webm; codecs="vp9" | PASS | PASS | PASS | FAIL | — | — |
| Test video-only implicit changeType for video/webm; codecs="vp9" <-> video/webm; codecs="vp9" (using types without codecs parameters for addSourceBuffer) | FAIL | PASS | PASS | FAIL | — | — |
| Test video-only implicit changeType for video/mp4; codecs="avc1.4D4001" <-> video/mp4; codecs="avc1.4D4001" | PASS | PASS | PASS | FAIL | — | — |
| Test video-only implicit changeType for video/mp4; codecs="avc1.4D4001" <-> video/mp4; codecs="avc1.4D4001" (using types without codecs parameters for addSourceBuffer) | FAIL | PASS | PASS | FAIL | — | — |