API to generate a video MediaStreamTrack from a WHATWG Stream of VideoFrame objects. This is the WG-agreed form of the interface that was previously known as MediaStreamTrackGenerator, specialized for video.


The WEBRTC WG agreed to adopt the mediacapture-transform proposal; as part of the debate, the form of the function to generate a video MediaStreamTrack was changed. This intent tracks the API change.


Specification link

Specification currently under development in a Working Group

Status in Chromium


No active development (tracking bug)

Consensus & Standardization

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

  • Positive
  • No signal
  • No signals


Intent to Prototype url

Intent to Prototype thread

Last updated on 2022-03-17