From fce88d52ca0b694a614e2cf030c3f622db65b164 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Wed, 28 May 2008 00:10:34 +0000
Subject: [PATCH] Fixes NULL pointer dereference CID66

Originally committed as revision 13483 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavformat/avidec.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavformat/avidec.c b/libavformat/avidec.c
index a84acf8..06576c3 100644
--- a/libavformat/avidec.c
+++ b/libavformat/avidec.c
@@ -650,6 +650,9 @@ static int avi_read_packet(AVFormatContext *s, AVPacket *pkt)
                 best_stream_index= i;
             }
         }
+        if(!best_st)
+            return -1;
+
         best_ast = best_st->priv_data;
         best_ts= av_rescale(best_ts, best_st->time_base.den, AV_TIME_BASE * (int64_t)best_st->time_base.num); //FIXME a little ugly
         if(best_ast->remaining)
-- 
2.7.4