vf_hwmap: Add device derivation
authorMark Thompson <sw@jkqxz.net>
Sat, 4 Mar 2017 23:57:41 +0000 (23:57 +0000)
committerMark Thompson <sw@jkqxz.net>
Sun, 30 Apr 2017 16:33:18 +0000 (17:33 +0100)
commit38cb05f1c89cae1862b360d4e7e3f0cd2b5bbb67
tree7f329b861c5cb2159545af6bbf8b06454df99a19
parentc5714b51aad41fef56dddac1d542e7fc6b984627
vf_hwmap: Add device derivation

Also refactor a little and improve error messages to make failure
cases easier to understand.
libavfilter/vf_hwmap.c