There is no note stating that https://github.com/whatwg/streams/blob/main/streams-for-raw-video-explainer.md is needed

[youennf]

I thought we agreed on adding a reference in the spec to https://github.com/whatwg/streams/blob/main/streams-for-raw-video-explainer.md to explain that the current use of streams requires upgrading streams spec along the lines of the mentioned explainer.