I've also messed around with browser video editing. WebRecorder's poor browser support (h264 only available on chrome) is one thing, but only being able to enco

I've also messed around with browser video editing. WebRecorder's poor browser support (h264 only available on chrome) is one thing, but only being able to encode in real-time is just too frustrating, with frame drops and forcing the user to play back the entire vid. Have you tried any of the ffmpeg wasm ports floating around?