For decoding the video itself, https://github.com/mbebenita/Broadway https://github.com/mbebenita/Broadway is as far as anyone's gotten so far, but it's slow (a

For decoding the video itself, https://github.com/mbebenita/Broadway https://github.com/mbebenita/Broadway is as far as anyone's gotten so far, but it's slow (as one would expect). Still, I'd love to see something able to extract the audio from container formats.