Make WMV3 decoder attempt to decode WMVP as well

Originally committed as revision 25209 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 5 insertions, 0 deletions

diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c
index 8c9cbcd9db..c9a547b615 100644
--- a/libavcodec/vc1dec.c
+++ b/libavcodec/vc1dec.c
@@ -3240,6 +3240,11 @@ static int vc1_decode_frame(AVCodecContext *avctx,
         }
     }
 
+    if(v->res_sprite && (s->pict_type!=FF_I_TYPE)){
+        av_free(buf2);
+        return -1;
+    }
+
     // for hurry_up==5
     s->current_picture.pict_type= s->pict_type;
     s->current_picture.key_frame= s->pict_type == FF_I_TYPE;