Chromium currently supports two different syntaxes for specifying video and audio constraints for the getUserMedia() function. The old syntax has support for one set of constraints, including several nonstandard ones, and the new syntax has support for a different set of constraints, all of which are standardized. The plan with the current nonstandard constraints is to encourage users to migrate to the new syntax and remove them once usage is very low.

Specification

Working draft or equivalent

Status in Chromium

Blink>GetUserMedia


In development (tracking bug)

Consensus & Standardization

After a feature ships in Chrome, the values listed here are not guaranteed to be up to date.

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Owner

Last updated on 2021-07-25