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conformance · v136
v136 · h26x-codec-support-updates-for-mediarecorder — conformance probe
6 assertions drawn from the spec. Each is a single contract the spec text makes. Pass/fail reflects what this browser executed; blocked means the contract was not run because it needs user mediation, hardware, or another unavailable precondition. Open the page in Chrome stable / canary / Firefox / Safari to compare.
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| id | contract | kind | verdict | detail |
|---|---|---|---|---|
media-recorder-exists |
MediaRecorder is exposed — the surface that accepts the new hvc1/hev1/avc3 codec strings. spec ↗ | typeof | … | |
is-type-supported-is-function |
MediaRecorder.isTypeSupported is a static method for feature detection. spec ↗ | typeof | … | |
is-type-supported-hvc1 |
isTypeSupported reports support for the new hvc1.* HEVC codec string in an MP4 container. spec ↗ | script | … | |
is-type-supported-hev1 |
isTypeSupported reports support for hev1.* HEVC codec string. spec ↗ | script | … | |
is-type-supported-avc3 |
isTypeSupported reports support for the avc3.* variable-resolution H.264 codec string. spec ↗ | script | … | |
is-type-supported-h264-baseline |
isTypeSupported reports support for the existing avc1.* H.264 codec string (regression check that the legacy path still works). spec ↗ | script | … |