lavfi: detect merge failure for unknown layouts.
authorNicolas George <nicolas.george@normalesup.org>
Thu, 14 Mar 2013 20:54:48 +0000 (21:54 +0100)
committerNicolas George <nicolas.george@normalesup.org>
Mon, 1 Apr 2013 08:37:48 +0000 (10:37 +0200)
commitf810ca63f804cd9f9da5e7a788ecc5b638b706c0
tree0501bff454278a1389d3ef2f8c3971993a3de1f6
parent7d057515818d606fd1d7ab9f0dc1eebf31a47239
lavfi: detect merge failure for unknown layouts.

Detect when filtering known layouts from an explicit list
results in an empty list.

Fix erratic behavior.
libavfilter/formats.c