--- ffmpegthumbs-4.14.3.ebuild.orig	2015-03-16 00:30:08.805819132 +0300
+++ ffmpegthumbs-4.14.3.ebuild	2015-03-16 00:30:23.627820224 +0300
@@ -8,10 +8,11 @@
 
 DESCRIPTION="A FFmpeg based thumbnail Generator for Video Files"
 KEYWORDS="amd64 ~arm ppc ppc64 x86 ~amd64-linux ~x86-linux"
-IUSE="debug"
+IUSE="debug libav"
 
 DEPEND="
-	virtual/ffmpeg
+	libav? ( media-video/libav:0= )
+	!libav? ( media-video/ffmpeg:0= )
 "
 RDEPEND="${DEPEND}
 	$(add_kdebase_dep kdebase-kioslaves)