https://bitbucket.org/multicoreware/x265/downloads/x265_2.4.tar.gz
http://ffmpeg.org/releases/ffmpeg-3.3.tar.bz2
https://chromium.googlesource.com/webm/libvpx/+archive/0c0a05046db1c0b59a7fcc29785a190fdbbe39c2.tar.gz = 1,6,1
+https://github.com/swh/ladspa/releases/tag/v0.4.17, plugin.org.uk