diff --git a/libavcodec/h263dec.c b/libavcodec/h263dec.c
index 3466027286..0812912f17 100644
--- a/libavcodec/h263dec.c
+++ b/libavcodec/h263dec.c
@@ -49,7 +49,7 @@
 #include "msmpeg4.h"
 #include "qpeldsp.h"
 #include "thread.h"
-#include "wmv2.h"
+#include "wmv2dec.h"
 
 static enum AVPixelFormat h263_get_format(AVCodecContext *avctx)
 {
diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index bbcf00b014..0e0f035526 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -44,7 +44,7 @@
 #include "mpegvideodata.h"
 #include "qpeldsp.h"
 #include "thread.h"
-#include "wmv2.h"
+#include "wmv2dec.h"
 #include <limits.h>
 
 static void dct_unquantize_mpeg1_intra_c(MpegEncContext *s,
diff --git a/libavcodec/mpegvideo_enc.c b/libavcodec/mpegvideo_enc.c
index bb8d3bc908..d2365a54af 100644
--- a/libavcodec/mpegvideo_enc.c
+++ b/libavcodec/mpegvideo_enc.c
@@ -67,7 +67,7 @@
 #include "mpeg4videodata.h"
 #include "internal.h"
 #include "bytestream.h"
-#include "wmv2.h"
+#include "wmv2enc.h"
 #include "rv10.h"
 #include "packet_internal.h"
 #include <limits.h>
diff --git a/libavcodec/msmpeg4dec.c b/libavcodec/msmpeg4dec.c
index 3d2dcb9429..e1d2c342bc 100644
--- a/libavcodec/msmpeg4dec.c
+++ b/libavcodec/msmpeg4dec.c
@@ -33,7 +33,7 @@
 #include "mpeg4video.h"
 #include "msmpeg4data.h"
 #include "vc1data.h"
-#include "wmv2.h"
+#include "wmv2dec.h"
 
 #define DC_VLC_BITS 9
 #define V2_INTRA_CBPC_VLC_BITS 3
diff --git a/libavcodec/wmv2.h b/libavcodec/wmv2.h
index 4001093881..cdd58cf011 100644
--- a/libavcodec/wmv2.h
+++ b/libavcodec/wmv2.h
@@ -37,15 +37,6 @@ typedef struct WMV2Context {
 
 void ff_wmv2_common_init(MpegEncContext *s);
 
-int ff_wmv2_decode_mb(MpegEncContext *s, int16_t block[6][64]);
-int ff_wmv2_encode_picture_header(MpegEncContext * s, int picture_number);
-void ff_wmv2_encode_mb(MpegEncContext * s, int16_t block[6][64],
-                       int motion_x, int motion_y);
-int ff_wmv2_decode_picture_header(MpegEncContext * s);
-int ff_wmv2_decode_secondary_picture_header(MpegEncContext * s);
-void ff_wmv2_add_mb(MpegEncContext *s, int16_t block[6][64],
-                    uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr);
-
 void ff_mspel_motion(MpegEncContext *s,
                      uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
                      uint8_t **ref_picture, op_pixels_func (*pix_op)[4],
diff --git a/libavcodec/wmv2dec.c b/libavcodec/wmv2dec.c
index f9d91f9571..ddf68545fc 100644
--- a/libavcodec/wmv2dec.c
+++ b/libavcodec/wmv2dec.c
@@ -32,6 +32,7 @@
 #include "simple_idct.h"
 #include "wmv2.h"
 #include "wmv2data.h"
+#include "wmv2dec.h"
 
 typedef struct WMV2DecContext {
     MpegEncContext s;
diff --git a/libavcodec/wmv2dec.h b/libavcodec/wmv2dec.h
new file mode 100644
index 0000000000..cc410afe17
--- /dev/null
+++ b/libavcodec/wmv2dec.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2002 The FFmpeg Project
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVCODEC_WMV2DEC_H
+#define AVCODEC_WMV2DEC_H
+
+#include "mpegvideo.h"
+
+int ff_wmv2_decode_mb(MpegEncContext *s, int16_t block[6][64]);
+int ff_wmv2_decode_picture_header(MpegEncContext * s);
+int ff_wmv2_decode_secondary_picture_header(MpegEncContext * s);
+void ff_wmv2_add_mb(MpegEncContext *s, int16_t block[6][64],
+                    uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr);
+
+#endif
diff --git a/libavcodec/wmv2enc.c b/libavcodec/wmv2enc.c
index a7827f3194..5cb4c4073c 100644
--- a/libavcodec/wmv2enc.c
+++ b/libavcodec/wmv2enc.c
@@ -24,6 +24,7 @@
 #include "msmpeg4.h"
 #include "msmpeg4data.h"
 #include "wmv2.h"
+#include "wmv2enc.h"
 
 typedef struct WMV2EncContext {
     MpegEncContext s;
diff --git a/libavcodec/wmv2enc.h b/libavcodec/wmv2enc.h
new file mode 100644
index 0000000000..3f7f5104a6
--- /dev/null
+++ b/libavcodec/wmv2enc.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2002 The FFmpeg Project
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef AVCODEC_WMV2ENC_H
+#define AVCODEC_WMV2ENC_H
+
+#include "mpegvideo.h"
+
+int ff_wmv2_encode_picture_header(MpegEncContext * s, int picture_number);
+void ff_wmv2_encode_mb(MpegEncContext * s, int16_t block[6][64],
+                       int motion_x, int motion_y);
+
+
+#endif
