From dc43482b268664686cbeff6c3211b6161bc04fd4 Mon Sep 17 00:00:00 2001
From: Kostya Shishkov <kostya.shishkov@gmail.com>
Date: Sun, 10 Sep 2006 04:24:53 +0000
Subject: [PATCH] Disable B-frames decoding until they produce correct picture

Originally committed as revision 6218 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavcodec/vc1.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libavcodec/vc1.c b/libavcodec/vc1.c
index a485384242..f5b9a4088a 100644
--- a/libavcodec/vc1.c
+++ b/libavcodec/vc1.c
@@ -4180,6 +4180,12 @@ static int vc1_decode_frame(AVCodecContext *avctx,
         return -1;
     }
 
+    /* skip B frames as they are not decoded correctly */
+    if(s->pict_type == B_TYPE){
+        av_free(buf2);
+        return buf_size;
+    }
+
     // for hurry_up==5
     s->current_picture.pict_type= s->pict_type;
     s->current_picture.key_frame= s->pict_type == I_TYPE;