Just a guess, maybe it's the VideoFrame API? It was the only video-related feature I could find that Chrome and Safari have and FF doesn't.
https://caniuse.com/mdn-api_videoframe
Just a guess, maybe it's the VideoFrame API? It was the only video-related feature I could find that Chrome and Safari have and FF doesn't.
https://caniuse.com/mdn-api_videoframe