https://code.videolan.org/videolan/x264/-/tree/master/x264-snapshot-20210615-master.tar.xz (Andrew does somehow)
https://bitbucket.org/multicoreware/x265_git/downloads/x265_3.5.tar.gz
https://ffmpeg.org/releases/ffmpeg-4.4.tar.bz2
-https://github.com/webmproject/libvpx/archive/v1.8.2.tar.gz
+https://github.com/webmproject/libvpx/archive/v1.11.0.tar.gz
https://code.videolan.org/videolan/dav1d/-/archive/0.7.1/dav1d-0.7.1.tar.gz
https://github.com/swh/ladspa/releases/tag/v0.4.17, plugin.org.uk
https://archive.mozilla.org/pub/opus/opus-1.3.1.tar.gz