I don't know the details of what happened between the two projects, but according to Wikipedia [1], libav was abandoned a bit over 5 years ago. Looks like their

I don't know the details of what happened between the two projects, but according to Wikipedia [1], libav was abandoned a bit over 5 years ago. Looks like their website (and main git repo) no longer exist. [1] https://en.wikipedia.org/wiki/Libav https://en.wikipedia.org/wiki/Libav