It was an interesting problem indeed! I had some write up about it (and the whole project) in a link I have in the comment above, might gives more context.

> I bet with FlexFEC [0]

The previous draft (1) of this was my basis when I did the FEC sender. I didn’t manage to have it streamed 4K into the browser though, my client was OBS with gstreamer as it was far more performant than a browser in my tests, have you/any demo you did that I can try to stream it into the browser? That would be really major improvement! And appreciate the help, O would definitely give it another shot!

(1) https://datatracker.ietf.org/doc/html/draft-ietf-payload-fle...