diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 32dd4da281e81aeeaf7f6ec899c2b251611e9fb3..de94d8ed7336f07f98655ee1fea1f18e0c532b80 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -757,6 +757,7 @@ typedef struct AVPanScan{
 #define FF_S_TYPE  4 // S(GMC)-VOP MPEG4
 #define FF_SI_TYPE 5
 #define FF_SP_TYPE 6
+#define FF_BI_TYPE 7
 
 #define FF_BUFFER_HINTS_VALID    0x01 // Buffer hints value is meaningful (if 0 ignore).
 #define FF_BUFFER_HINTS_READABLE 0x02 // Codec will read from buffer.
diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 26f776e8903fa060ad6f4f53f3b90dc995a77b65..4aaedb11c5a39778bcdb16238a4fbfa76460b531 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -1289,6 +1289,7 @@ char av_get_pict_type_char(int pict_type){
     case FF_S_TYPE: return 'S';
     case FF_SI_TYPE:return 'i';
     case FF_SP_TYPE:return 'p';
+    case FF_BI_TYPE:return 'b';
     default:        return '?';
     }
 }
diff --git a/libavcodec/vc1.h b/libavcodec/vc1.h
index 12f38160bf5e3b79c14ef7602c56988759ca9739..3e92d6c340ee2f2b27e2af92730d557f4734be28 100644
--- a/libavcodec/vc1.h
+++ b/libavcodec/vc1.h
@@ -128,7 +128,7 @@ enum TransformTypes {
 //@}
 
 /** One more frame type */
-#define BI_TYPE 7
+#define BI_TYPE FF_BI_TYPE
 
 enum CodingSet {
     CS_HIGH_MOT_INTRA = 0,