Seems like FFmpeg has been merged into libnx (can't post links):
github devkitPro/pacman-packages/issues/30
This was listed as dependency for switch-libavcodec in the moonlight-switch repo.
I am going to try to setup everything locally to build the repo and try to update the dependency but it...
Pepsi, and it's companies, did not pull out of Russia like most did, even tho they orig said they would, so I boycott them. (Except when drunk at 2am and Taco bell is only place open.)