ffmpeg can also be built to link to libaom, and my package manager (Macports) does this by default. (Likewise, I think ffmpeg has its own H.264 and H.265 imple

ffmpeg can also be built to link to libaom, and my package manager (Macports) does this by default. (Likewise, I think ffmpeg has its own H.264 and H.265 implementations, but also links to libx264 and libx265.) Does it really matter what ffmpeg's built-in implementation is like?