diff --git a/libavcodec/h263.c b/libavcodec/h263.c
index 23179a17f3..51bfacf8dc 100644
--- a/libavcodec/h263.c
+++ b/libavcodec/h263.c
@@ -341,104 +341,6 @@ void ff_clean_h263_qscales(MpegEncContext *s){
 
 #endif //CONFIG_ENCODERS
 
-#define tab_size ((signed)FF_ARRAY_ELEMS(s->direct_scale_mv[0]))
-#define tab_bias (tab_size/2)
-
-//used by mpeg4 and rv10 decoder
-void ff_mpeg4_init_direct_mv(MpegEncContext *s){
-    int i;
-    for(i=0; i<tab_size; i++){
-        s->direct_scale_mv[0][i] = (i-tab_bias)*s->pb_time/s->pp_time;
-        s->direct_scale_mv[1][i] = (i-tab_bias)*(s->pb_time-s->pp_time)/s->pp_time;
-    }
-}
-
-static inline void ff_mpeg4_set_one_direct_mv(MpegEncContext *s, int mx, int my, int i){
-    int xy= s->block_index[i];
-    uint16_t time_pp= s->pp_time;
-    uint16_t time_pb= s->pb_time;
-    int p_mx, p_my;
-
-    p_mx= s->next_picture.motion_val[0][xy][0];
-    if((unsigned)(p_mx + tab_bias) < tab_size){
-        s->mv[0][i][0] = s->direct_scale_mv[0][p_mx + tab_bias] + mx;
-        s->mv[1][i][0] = mx ? s->mv[0][i][0] - p_mx
-                            : s->direct_scale_mv[1][p_mx + tab_bias];
-    }else{
-        s->mv[0][i][0] = p_mx*time_pb/time_pp + mx;
-        s->mv[1][i][0] = mx ? s->mv[0][i][0] - p_mx
-                            : p_mx*(time_pb - time_pp)/time_pp;
-    }
-    p_my= s->next_picture.motion_val[0][xy][1];
-    if((unsigned)(p_my + tab_bias) < tab_size){
-        s->mv[0][i][1] = s->direct_scale_mv[0][p_my + tab_bias] + my;
-        s->mv[1][i][1] = my ? s->mv[0][i][1] - p_my
-                            : s->direct_scale_mv[1][p_my + tab_bias];
-    }else{
-        s->mv[0][i][1] = p_my*time_pb/time_pp + my;
-        s->mv[1][i][1] = my ? s->mv[0][i][1] - p_my
-                            : p_my*(time_pb - time_pp)/time_pp;
-    }
-}
-
-#undef tab_size
-#undef tab_bias
-
-/**
- *
- * @return the mb_type
- */
-int ff_mpeg4_set_direct_mv(MpegEncContext *s, int mx, int my){
-    const int mb_index= s->mb_x + s->mb_y*s->mb_stride;
-    const int colocated_mb_type= s->next_picture.mb_type[mb_index];
-    uint16_t time_pp;
-    uint16_t time_pb;
-    int i;
-
-    //FIXME avoid divides
-    // try special case with shifts for 1 and 3 B-frames?
-
-    if(IS_8X8(colocated_mb_type)){
-        s->mv_type = MV_TYPE_8X8;
-        for(i=0; i<4; i++){
-            ff_mpeg4_set_one_direct_mv(s, mx, my, i);
-        }
-        return MB_TYPE_DIRECT2 | MB_TYPE_8x8 | MB_TYPE_L0L1;
-    } else if(IS_INTERLACED(colocated_mb_type)){
-        s->mv_type = MV_TYPE_FIELD;
-        for(i=0; i<2; i++){
-            int field_select= s->next_picture.ref_index[0][s->block_index[2*i]];
-            s->field_select[0][i]= field_select;
-            s->field_select[1][i]= i;
-            if(s->top_field_first){
-                time_pp= s->pp_field_time - field_select + i;
-                time_pb= s->pb_field_time - field_select + i;
-            }else{
-                time_pp= s->pp_field_time + field_select - i;
-                time_pb= s->pb_field_time + field_select - i;
-            }
-            s->mv[0][i][0] = s->p_field_mv_table[i][0][mb_index][0]*time_pb/time_pp + mx;
-            s->mv[0][i][1] = s->p_field_mv_table[i][0][mb_index][1]*time_pb/time_pp + my;
-            s->mv[1][i][0] = mx ? s->mv[0][i][0] - s->p_field_mv_table[i][0][mb_index][0]
-                                : s->p_field_mv_table[i][0][mb_index][0]*(time_pb - time_pp)/time_pp;
-            s->mv[1][i][1] = my ? s->mv[0][i][1] - s->p_field_mv_table[i][0][mb_index][1]
-                                : s->p_field_mv_table[i][0][mb_index][1]*(time_pb - time_pp)/time_pp;
-        }
-        return MB_TYPE_DIRECT2 | MB_TYPE_16x8 | MB_TYPE_L0L1 | MB_TYPE_INTERLACED;
-    }else{
-        ff_mpeg4_set_one_direct_mv(s, mx, my, 0);
-        s->mv[0][1][0] = s->mv[0][2][0] = s->mv[0][3][0] = s->mv[0][0][0];
-        s->mv[0][1][1] = s->mv[0][2][1] = s->mv[0][3][1] = s->mv[0][0][1];
-        s->mv[1][1][0] = s->mv[1][2][0] = s->mv[1][3][0] = s->mv[1][0][0];
-        s->mv[1][1][1] = s->mv[1][2][1] = s->mv[1][3][1] = s->mv[1][0][1];
-        if((s->avctx->workaround_bugs & FF_BUG_DIRECT_BLOCKSIZE) || !s->quarter_sample)
-            s->mv_type= MV_TYPE_16X16;
-        else
-            s->mv_type= MV_TYPE_8X8;
-        return MB_TYPE_DIRECT2 | MB_TYPE_16x16 | MB_TYPE_L0L1; //Note see prev line
-    }
-}
-
 void ff_h263_update_motion_val(MpegEncContext * s){
     const int mb_xy = s->mb_y * s->mb_stride + s->mb_x;
                //FIXME a lot of that is only needed for !low_delay
diff --git a/libavcodec/mpeg4video.c b/libavcodec/mpeg4video.c
index 9fab226ba8..a647960a51 100644
--- a/libavcodec/mpeg4video.c
+++ b/libavcodec/mpeg4video.c
@@ -70,3 +70,102 @@ void ff_mpeg4_clean_buffers(MpegEncContext *s)
     s->last_mv[1][0][0]=
     s->last_mv[1][0][1]= 0;
 }
+
+#define tab_size ((signed)FF_ARRAY_ELEMS(s->direct_scale_mv[0]))
+#define tab_bias (tab_size/2)
+
+//used by mpeg4 and rv10 decoder
+void ff_mpeg4_init_direct_mv(MpegEncContext *s){
+    int i;
+    for(i=0; i<tab_size; i++){
+        s->direct_scale_mv[0][i] = (i-tab_bias)*s->pb_time/s->pp_time;
+        s->direct_scale_mv[1][i] = (i-tab_bias)*(s->pb_time-s->pp_time)/s->pp_time;
+    }
+}
+
+static inline void ff_mpeg4_set_one_direct_mv(MpegEncContext *s, int mx, int my, int i){
+    int xy= s->block_index[i];
+    uint16_t time_pp= s->pp_time;
+    uint16_t time_pb= s->pb_time;
+    int p_mx, p_my;
+
+    p_mx= s->next_picture.motion_val[0][xy][0];
+    if((unsigned)(p_mx + tab_bias) < tab_size){
+        s->mv[0][i][0] = s->direct_scale_mv[0][p_mx + tab_bias] + mx;
+        s->mv[1][i][0] = mx ? s->mv[0][i][0] - p_mx
+                            : s->direct_scale_mv[1][p_mx + tab_bias];
+    }else{
+        s->mv[0][i][0] = p_mx*time_pb/time_pp + mx;
+        s->mv[1][i][0] = mx ? s->mv[0][i][0] - p_mx
+                            : p_mx*(time_pb - time_pp)/time_pp;
+    }
+    p_my= s->next_picture.motion_val[0][xy][1];
+    if((unsigned)(p_my + tab_bias) < tab_size){
+        s->mv[0][i][1] = s->direct_scale_mv[0][p_my + tab_bias] + my;
+        s->mv[1][i][1] = my ? s->mv[0][i][1] - p_my
+                            : s->direct_scale_mv[1][p_my + tab_bias];
+    }else{
+        s->mv[0][i][1] = p_my*time_pb/time_pp + my;
+        s->mv[1][i][1] = my ? s->mv[0][i][1] - p_my
+                            : p_my*(time_pb - time_pp)/time_pp;
+    }
+}
+
+#undef tab_size
+#undef tab_bias
+
+/**
+ *
+ * @return the mb_type
+ */
+int ff_mpeg4_set_direct_mv(MpegEncContext *s, int mx, int my){
+    const int mb_index= s->mb_x + s->mb_y*s->mb_stride;
+    const int colocated_mb_type= s->next_picture.mb_type[mb_index];
+    uint16_t time_pp;
+    uint16_t time_pb;
+    int i;
+
+    //FIXME avoid divides
+    // try special case with shifts for 1 and 3 B-frames?
+
+    if(IS_8X8(colocated_mb_type)){
+        s->mv_type = MV_TYPE_8X8;
+        for(i=0; i<4; i++){
+            ff_mpeg4_set_one_direct_mv(s, mx, my, i);
+        }
+        return MB_TYPE_DIRECT2 | MB_TYPE_8x8 | MB_TYPE_L0L1;
+    } else if(IS_INTERLACED(colocated_mb_type)){
+        s->mv_type = MV_TYPE_FIELD;
+        for(i=0; i<2; i++){
+            int field_select= s->next_picture.ref_index[0][s->block_index[2*i]];
+            s->field_select[0][i]= field_select;
+            s->field_select[1][i]= i;
+            if(s->top_field_first){
+                time_pp= s->pp_field_time - field_select + i;
+                time_pb= s->pb_field_time - field_select + i;
+            }else{
+                time_pp= s->pp_field_time + field_select - i;
+                time_pb= s->pb_field_time + field_select - i;
+            }
+            s->mv[0][i][0] = s->p_field_mv_table[i][0][mb_index][0]*time_pb/time_pp + mx;
+            s->mv[0][i][1] = s->p_field_mv_table[i][0][mb_index][1]*time_pb/time_pp + my;
+            s->mv[1][i][0] = mx ? s->mv[0][i][0] - s->p_field_mv_table[i][0][mb_index][0]
+                                : s->p_field_mv_table[i][0][mb_index][0]*(time_pb - time_pp)/time_pp;
+            s->mv[1][i][1] = my ? s->mv[0][i][1] - s->p_field_mv_table[i][0][mb_index][1]
+                                : s->p_field_mv_table[i][0][mb_index][1]*(time_pb - time_pp)/time_pp;
+        }
+        return MB_TYPE_DIRECT2 | MB_TYPE_16x8 | MB_TYPE_L0L1 | MB_TYPE_INTERLACED;
+    }else{
+        ff_mpeg4_set_one_direct_mv(s, mx, my, 0);
+        s->mv[0][1][0] = s->mv[0][2][0] = s->mv[0][3][0] = s->mv[0][0][0];
+        s->mv[0][1][1] = s->mv[0][2][1] = s->mv[0][3][1] = s->mv[0][0][1];
+        s->mv[1][1][0] = s->mv[1][2][0] = s->mv[1][3][0] = s->mv[1][0][0];
+        s->mv[1][1][1] = s->mv[1][2][1] = s->mv[1][3][1] = s->mv[1][0][1];
+        if((s->avctx->workaround_bugs & FF_BUG_DIRECT_BLOCKSIZE) || !s->quarter_sample)
+            s->mv_type= MV_TYPE_16X16;
+        else
+            s->mv_type= MV_TYPE_8X8;
+        return MB_TYPE_DIRECT2 | MB_TYPE_16x16 | MB_TYPE_L0L1; //Note see prev line
+    }
+}
+
diff --git a/libavcodec/mpeg4video.h b/libavcodec/mpeg4video.h
index c53200f010..a335fa338a 100644
--- a/libavcodec/mpeg4video.h
+++ b/libavcodec/mpeg4video.h
@@ -104,6 +104,13 @@ void ff_clean_mpeg4_qscales(MpegEncContext *s);
 int ff_mpeg4_decode_partitions(MpegEncContext *s);
 int ff_mpeg4_get_video_packet_prefix_length(MpegEncContext *s);
 int mpeg4_decode_video_packet_header(MpegEncContext *s);
+void ff_mpeg4_init_direct_mv(MpegEncContext *s);
+
+/**
+ *
+ * @return the mb_type
+ */
+int ff_mpeg4_set_direct_mv(MpegEncContext *s, int mx, int my);
 
 extern uint8_t ff_mpeg4_static_rl_table_store[3][2][2*MAX_RUN + MAX_LEVEL + 3];
 
diff --git a/libavcodec/mpegvideo.h b/libavcodec/mpegvideo.h
index 583b52cae9..f748e5e6a3 100644
--- a/libavcodec/mpegvideo.h
+++ b/libavcodec/mpegvideo.h
@@ -840,8 +840,6 @@ void ff_clean_h263_qscales(MpegEncContext *s);
 int ff_h263_resync(MpegEncContext *s);
 const uint8_t *ff_h263_find_resync_marker(const uint8_t *p, const uint8_t *end);
 int ff_h263_get_gob_height(MpegEncContext *s);
-void ff_mpeg4_init_direct_mv(MpegEncContext *s);
-int ff_mpeg4_set_direct_mv(MpegEncContext *s, int mx, int my);
 void ff_h263_encode_motion(MpegEncContext * s, int val, int f_code);
 void ff_init_qscale_tab(MpegEncContext *s);