ffmpeg | branch: master | Mark Thompson | Sat Mar 4 23:57:41
2017 +| [38cb05f1c89cae1862b360d4e7e3f0cd2b5bbb67] | committer: Mark
Thompson
vf_hwmap: Add device derivation
Also refactor a little and improve error messages to make failure
cases easier to understand.
> http://git.videolan.o
ffmpeg | branch: master | Mark Thompson | Sat Mar 4 23:57:41
2017 +| [b2ef1f42badd1c5731816a3959b6dbb62187dbcc] | committer: Mark
Thompson
vf_hwmap: Add device derivation
Also refactor a little and improve error messages to make failure
cases easier to understand.
(cherry picked from com