--enable-protocol=data --enable-protocol=file
--enable-filter=aresample
--enable-demuxer=ogg
--enable-muxer=ogg
--enable-demuxer=matroska
--enable-muxer=matroska --enable-muxer=webm
--enable-parser=opus
--enable-libopus
--enable-decoder=libopus
--enable-bsf=opus_metadata
--enable-encoder=libopus
--enable-parser=vp9
--enable-libvpx
--enable-decoder=libvpx_vp9
--enable-bsf=vp9_metadata
--enable-libvpx
--enable-encoder=libvpx_vp9
