just a note re ffmpeg build failure for libaom/libvpx and separately libavdevice

[hydra3333]

For posterity, at this point ...

ffmpeg build failure when including both libaom/libvpx : https://github.com/jb-alvarado/media-au ... issues/951

ffmpeg build failure for libavdevice under gcc 8.2.0 : https://github.com/jb-alvarado/media-au ... issues/953
edit: this seems like it may not be an issue under linux/mingw

[hydra3333]

ffmpeg build failure when including both libaom/libvpx : https://github.com/jb-alvarado/media-au ... issues/951

this has been fixed in the aom git.