Check if Vorbis extradata exists before using it
Work-around broken AMD VP9 hwaccel
Update dav1d to 0.7.0-24
Add avisynth headers
Update ffmpeg
Fix msvc ffmpeg build
Add a compatibility define for opus
Remove pre-VS2017 support
Update ffmpeg for some cleanup
Fix mpeg2 in mp4
Avoid selecting a stream with only one frame in MP4
LAVFilters-0.74.1-57