From bea669e57cdd72b22cfc51514493a90f62dc96c9 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Fri, 13 Sep 2002 09:45:32 +0000
Subject: interlaced mpeg4 b frame decoding

Originally committed as revision 936 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavcodec/mpeg4data.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'libavcodec/mpeg4data.h')

diff --git a/libavcodec/mpeg4data.h b/libavcodec/mpeg4data.h
index 3d8de7ca6f..88101a5442 100644
--- a/libavcodec/mpeg4data.h
+++ b/libavcodec/mpeg4data.h
@@ -17,6 +17,10 @@
 #define MOTION_MARKER 0x1F001
 #define DC_MARKER     0x6B001
 
+#define MB_TYPE_B_DIRECT 0
+#define MB_TYPE_B_BIDIR  1
+#define MB_TYPE_B_BACKW  2
+#define MB_TYPE_B_FORW   3
 
 /* dc encoding for mpeg4 */
 const UINT8 DCtab_lum[13][2] =
-- 
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