From ca15919699545e462301ceb00fab4f65b9e068e4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?M=C3=A5ns=20Rullg=C3=A5rd?= <mans@mansr.com>
Date: Wed, 1 Jun 2005 12:03:25 +0000
Subject: [PATCH] fix segfault if flush is called before the first frame (I
 think that's it, and this fixes it)

Originally committed as revision 4335 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavcodec/h264.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index fa419e8981..f7475d09ef 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -3505,7 +3505,8 @@ static void flush_dpb(AVCodecContext *avctx){
         h->delayed_pic[i]= NULL;
     h->delayed_output_pic= NULL;
     idr(h);
-    h->s.current_picture_ptr->reference= 0;
+    if(h->s.current_picture_ptr)
+        h->s.current_picture_ptr->reference= 0;
 }
 
 /**