From 0d65e0f8cb0f924be95650f50f3d05d0b223aceb Mon Sep 17 00:00:00 2001
From: Stefano Sabatini <stefano.sabatini-lala@poste.it>
Date: Fri, 20 May 2011 00:58:00 +0200
Subject: [PATCH] cmdutils: reset *picref_ptr to NULL in get_filtered_frame()

Avoid the presence of an invalid pointer, fix a crash in case of
get_filtered_frame() failure.
---
 cmdutils.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cmdutils.c b/cmdutils.c
index a5363b8176..71d6d33454 100644
--- a/cmdutils.c
+++ b/cmdutils.c
@@ -908,6 +908,7 @@ int get_filtered_video_frame(AVFilterContext *ctx, AVFrame *frame,
 {
     int ret;
     AVFilterBufferRef *picref;
+    *picref_ptr = NULL;
 
     if ((ret = avfilter_request_frame(ctx->inputs[0])) < 0)
         return ret;