Scuffle External Dependencies

This repo is a helper to allow for compiling all the external dependencies required to build scuffle.

OpenCV 4.8.1
FFmpeg release/6.1
x264 stable
x265 3.5
opus v1.4
dav1d 1.3.0
SVT-AV1 v1.8.0
libvpx v1.13.1
protobuf v25.1