swscale/utils: Fix intermediate format for cascaded alpha downscaling
authorMichael Niedermayer <michael@niedermayer.cc>
Thu, 24 Dec 2015 20:46:15 +0000 (21:46 +0100)
committerMichael Niedermayer <michael@niedermayer.cc>
Fri, 15 Jan 2016 16:39:04 +0000 (17:39 +0100)
commitc1521dd418db3ad63019a7f7f2bbc985a3adf31c
treed1bc210dd5801eea76ef0892f7338911c89162eb
parenta5b4b807757fda3dc920d4b23599f8391c21409b
swscale/utils: Fix intermediate format for cascaded alpha downscaling

Fixes Ticket4926

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit b83d8be6bff7d645469a623aee0b380541da15cf)

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libswscale/utils.c