vf_delogo: fix an uninitialized read.

CC:libav-stable@libav.org

diff --git a/libavfilter/vf_delogo.c b/libavfilter/vf_delogo.c
index 76848c31984d09fb61bc66fbd2227bf9ca15c05e..5d56444e20432ef94e335dba4cfaaca500ec49e7 100644 (file)
--- a/libavfilter/vf_delogo.c
+++ b/libavfilter/vf_delogo.c
@@ -223,7 +223,7 @@ static int filter_frame(AVFilterLink *inlink, AVFilterBufferRef *in)
     AVFilterBufferRef *out;
     int hsub0 = desc->log2_chroma_w;
     int vsub0 = desc->log2_chroma_h;
-    int direct;
+    int direct = 0;
     int plane;
 
     if ((in->perms & AV_PERM_WRITE) && !(in->perms & AV_PERM_PRESERVE)) {