lavfi/blend: always peek the first frame of each queue.
authorClément Bœsch <ubitux@gmail.com>
Fri, 22 Mar 2013 08:54:06 +0000 (09:54 +0100)
committerClément Bœsch <ubitux@gmail.com>
Fri, 22 Mar 2013 22:09:08 +0000 (23:09 +0100)
commit89b4e758d3d0b1170297281e567cb12cc718e234
treebd1e0837073c3d7bd192d7b8c17480687003774f
parent859f7da543bfade2dd00307c2bb361e0213899f5
lavfi/blend: always peek the first frame of each queue.

Before the change, filter_frame() always waited for 2 samples in the
bottom frames queue. This notably fixes commands such as
./ffplay tests/lena.pnm -vf split,blend=c0_mode=addition
libavfilter/vf_blend.c