diff --git a/libavcodec/msmpeg4.c b/libavcodec/msmpeg4.c
index 609fc2f690..d3568fc601 100644
--- a/libavcodec/msmpeg4.c
+++ b/libavcodec/msmpeg4.c
@@ -62,10 +62,10 @@ static uint32_t v2_dc_lum_table[512][2];
 static uint32_t v2_dc_chroma_table[512][2];
 
 void ff_msmpeg4_encode_block(MpegEncContext * s, DCTELEM * block, int n);
-static inline int msmpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
+int ff_msmpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
                                        int n, int coded, const uint8_t *scantable);
 static int msmpeg4_decode_dc(MpegEncContext * s, int n, int *dir_ptr);
-static int msmpeg4_decode_motion(MpegEncContext * s,
+int ff_msmpeg4_decode_motion(MpegEncContext * s,
                                  int *mx_ptr, int *my_ptr);
 static void init_h263_dc_for_msmpeg4(void);
 static inline void msmpeg4_memsetw(short *tab, int val, int n);
@@ -75,7 +75,7 @@ static int get_size_of_code(MpegEncContext * s, RLTable *rl, int last, int run,
 #endif //CONFIG_ENCODERS
 static int msmpeg4v12_decode_mb(MpegEncContext *s, DCTELEM block[6][64]);
 static int msmpeg4v34_decode_mb(MpegEncContext *s, DCTELEM block[6][64]);
-static int wmv2_decode_mb(MpegEncContext *s, DCTELEM block[6][64]);
+int ff_wmv2_decode_mb(MpegEncContext *s, DCTELEM block[6][64]);
 
 /* vc1 externs */
 extern uint8_t wmv3_dc_scale_table[32];
@@ -161,7 +161,7 @@ static void init_mv_table(MVTable *tab)
     }
 }
 
-void ff_code012(PutBitContext *pb, int n)
+void ff_msmpeg4_code012(PutBitContext *pb, int n)
 {
     if (n == 0) {
         put_bits(pb, 1, 0);
@@ -347,8 +347,8 @@ void msmpeg4_encode_picture_header(MpegEncContext * s, int picture_number)
 
         if(s->msmpeg4_version>2){
             if(!s->per_mb_rl_table){
-                ff_code012(&s->pb, s->rl_chroma_table_index);
-                ff_code012(&s->pb, s->rl_table_index);
+                ff_msmpeg4_code012(&s->pb, s->rl_chroma_table_index);
+                ff_msmpeg4_code012(&s->pb, s->rl_table_index);
             }
 
             put_bits(&s->pb, 1, s->dc_table_index);
@@ -361,7 +361,7 @@ void msmpeg4_encode_picture_header(MpegEncContext * s, int picture_number)
 
         if(s->msmpeg4_version>2){
             if(!s->per_mb_rl_table)
-                ff_code012(&s->pb, s->rl_table_index);
+                ff_msmpeg4_code012(&s->pb, s->rl_table_index);
 
             put_bits(&s->pb, 1, s->dc_table_index);
 
@@ -393,7 +393,7 @@ void msmpeg4_encode_ext_header(MpegEncContext * s)
 #endif //CONFIG_ENCODERS
 
 /* predict coded block */
-static inline int coded_block_pred(MpegEncContext * s, int n, uint8_t **coded_block_ptr)
+int ff_msmpeg4_coded_block_pred(MpegEncContext * s, int n, uint8_t **coded_block_ptr)
 {
     int xy, wrap, pred, a, b, c;
 
@@ -421,7 +421,7 @@ static inline int coded_block_pred(MpegEncContext * s, int n, uint8_t **coded_bl
 
 #ifdef CONFIG_ENCODERS
 
-static void msmpeg4_encode_motion(MpegEncContext * s,
+void ff_msmpeg4_encode_motion(MpegEncContext * s,
                                   int mx, int my)
 {
     int code;
@@ -459,7 +459,7 @@ static void msmpeg4_encode_motion(MpegEncContext * s,
     }
 }
 
-static inline void handle_slices(MpegEncContext *s){
+void ff_msmpeg4_handle_slices(MpegEncContext *s){
     if (s->mb_x == 0) {
         if (s->slice_height && (s->mb_y % s->slice_height) == 0) {
             if(s->msmpeg4_version < 4){
@@ -480,7 +480,7 @@ void msmpeg4_encode_mb(MpegEncContext * s,
     int pred_x, pred_y;
     uint8_t *coded_block;
 
-    handle_slices(s);
+    ff_msmpeg4_handle_slices(s);
 
     if (!s->mb_intra) {
         /* compute cbp */
@@ -526,7 +526,7 @@ void msmpeg4_encode_mb(MpegEncContext * s,
 
             /* motion vector */
             h263_pred_motion(s, 0, 0, &pred_x, &pred_y);
-            msmpeg4_encode_motion(s, motion_x - pred_x,
+            ff_msmpeg4_encode_motion(s, motion_x - pred_x,
                                   motion_y - pred_y);
         }
 
@@ -546,7 +546,7 @@ void msmpeg4_encode_mb(MpegEncContext * s,
             cbp |= val << (5 - i);
             if (i < 4) {
                 /* predict value for close blocks only for luma */
-                pred = coded_block_pred(s, i, &coded_block);
+                pred = ff_msmpeg4_coded_block_pred(s, i, &coded_block);
                 *coded_block = val;
                 val = val ^ pred;
             }
@@ -990,7 +990,7 @@ else
 /****************************************/
 /* decoding stuff */
 
-static VLC mb_non_intra_vlc[4];
+VLC ff_mb_non_intra_vlc[4];
 static VLC v2_dc_lum_vlc;
 static VLC v2_dc_chroma_vlc;
 static VLC cbpy_vlc;
@@ -999,7 +999,7 @@ static VLC v2_mb_type_vlc;
 static VLC v2_mv_vlc;
 static VLC v1_intra_cbpc_vlc;
 static VLC v1_inter_cbpc_vlc;
-static VLC inter_intra_vlc;
+VLC ff_inter_intra_vlc;
 
 /* This table is practically identical to the one from h263
  * except that it is inverted. */
@@ -1114,7 +1114,7 @@ int ff_msmpeg4_decode_init(MpegEncContext *s)
                  &mvtab[0][0], 2, 1, 1);
 
         for(i=0; i<4; i++){
-            init_vlc(&mb_non_intra_vlc[i], MB_NON_INTRA_VLC_BITS, 128,
+            init_vlc(&ff_mb_non_intra_vlc[i], MB_NON_INTRA_VLC_BITS, 128,
                      &wmv2_inter_table[i][0][1], 8, 4,
                      &wmv2_inter_table[i][0][0], 8, 4, 1); //FIXME name?
         }
@@ -1130,7 +1130,7 @@ int ff_msmpeg4_decode_init(MpegEncContext *s)
                  inter_MCBPC_bits, 1, 1,
                  inter_MCBPC_code, 1, 1, 1);
 
-        init_vlc(&inter_intra_vlc, INTER_INTRA_VLC_BITS, 4,
+        init_vlc(&ff_inter_intra_vlc, INTER_INTRA_VLC_BITS, 4,
                  &table_inter_intra[0][1], 2, 1,
                  &table_inter_intra[0][0], 2, 1, 1);
     }
@@ -1145,7 +1145,7 @@ int ff_msmpeg4_decode_init(MpegEncContext *s)
         s->decode_mb= msmpeg4v34_decode_mb;
         break;
     case 5:
-        s->decode_mb= wmv2_decode_mb;
+        s->decode_mb= ff_wmv2_decode_mb;
     case 6:
         //FIXME + TODO VC1 decode mb
         break;
@@ -1508,7 +1508,7 @@ static int msmpeg4v12_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
 
     s->dsp.clear_blocks(s->block[0]);
     for (i = 0; i < 6; i++) {
-        if (msmpeg4_decode_block(s, block[i], i, (cbp >> (5 - i)) & 1, NULL) < 0)
+        if (ff_msmpeg4_decode_block(s, block[i], i, (cbp >> (5 - i)) & 1, NULL) < 0)
         {
              av_log(s->avctx, AV_LOG_ERROR, "\nerror while decoding block: %d x %d (%d)\n", s->mb_x, s->mb_y, i);
              return -1;
@@ -1541,7 +1541,7 @@ static int msmpeg4v34_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
             }
         }
 
-        code = get_vlc2(&s->gb, mb_non_intra_vlc[DEFAULT_INTER_INDEX].table, MB_NON_INTRA_VLC_BITS, 3);
+        code = get_vlc2(&s->gb, ff_mb_non_intra_vlc[DEFAULT_INTER_INDEX].table, MB_NON_INTRA_VLC_BITS, 3);
         if (code < 0)
             return -1;
         //s->mb_intra = (code & 0x40) ? 0 : 1;
@@ -1558,7 +1558,7 @@ static int msmpeg4v34_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
         for(i=0;i<6;i++) {
             int val = ((code >> (5 - i)) & 1);
             if (i < 4) {
-                int pred = coded_block_pred(s, i, &coded_val);
+                int pred = ff_msmpeg4_coded_block_pred(s, i, &coded_val);
                 val = val ^ pred;
                 *coded_val = val;
             }
@@ -1574,7 +1574,7 @@ static int msmpeg4v34_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
             s->rl_chroma_table_index = s->rl_table_index;
         }
         h263_pred_motion(s, 0, 0, &mx, &my);
-        if (msmpeg4_decode_motion(s, &mx, &my) < 0)
+        if (ff_msmpeg4_decode_motion(s, &mx, &my) < 0)
             return -1;
         s->mv_dir = MV_DIR_FORWARD;
         s->mv_type = MV_TYPE_16X16;
@@ -1586,7 +1586,7 @@ static int msmpeg4v34_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
         s->ac_pred = get_bits1(&s->gb);
         *mb_type_ptr = MB_TYPE_INTRA;
         if(s->inter_intra_pred){
-            s->h263_aic_dir= get_vlc2(&s->gb, inter_intra_vlc.table, INTER_INTRA_VLC_BITS, 1);
+            s->h263_aic_dir= get_vlc2(&s->gb, ff_inter_intra_vlc.table, INTER_INTRA_VLC_BITS, 1);
 //            printf("%d%d %d %d/", s->ac_pred, s->h263_aic_dir, s->mb_x, s->mb_y);
         }
         if(s->per_mb_rl_table && cbp){
@@ -1597,7 +1597,7 @@ static int msmpeg4v34_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
 
     s->dsp.clear_blocks(s->block[0]);
     for (i = 0; i < 6; i++) {
-        if (msmpeg4_decode_block(s, block[i], i, (cbp >> (5 - i)) & 1, NULL) < 0)
+        if (ff_msmpeg4_decode_block(s, block[i], i, (cbp >> (5 - i)) & 1, NULL) < 0)
         {
             av_log(s->avctx, AV_LOG_ERROR, "\nerror while decoding block: %d x %d (%d)\n", s->mb_x, s->mb_y, i);
             return -1;
@@ -1607,7 +1607,7 @@ static int msmpeg4v34_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
     return 0;
 }
 //#define ERROR_DETAILS
-static inline int msmpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
+int ff_msmpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
                               int n, int coded, const uint8_t *scan_table)
 {
     int level, i, last, run, run_diff;
@@ -1911,7 +1911,7 @@ static int msmpeg4_decode_dc(MpegEncContext * s, int n, int *dir_ptr)
     return level;
 }
 
-static int msmpeg4_decode_motion(MpegEncContext * s,
+int ff_msmpeg4_decode_motion(MpegEncContext * s,
                                  int *mx_ptr, int *my_ptr)
 {
     MVTable *mv;
diff --git a/libavcodec/wmv2.c b/libavcodec/wmv2.c
index 8680d36739..a5b931e50a 100644
--- a/libavcodec/wmv2.c
+++ b/libavcodec/wmv2.c
@@ -141,8 +141,8 @@ int ff_wmv2_encode_picture_header(MpegEncContext * s, int picture_number)
         if(w->per_mb_rl_bit) put_bits(&s->pb, 1, s->per_mb_rl_table);
 
         if(!s->per_mb_rl_table){
-            ff_code012(&s->pb, s->rl_chroma_table_index);
-            ff_code012(&s->pb, s->rl_table_index);
+            ff_msmpeg4_code012(&s->pb, s->rl_chroma_table_index);
+            ff_msmpeg4_code012(&s->pb, s->rl_table_index);
         }
 
         put_bits(&s->pb, 1, s->dc_table_index);
@@ -153,7 +153,7 @@ int ff_wmv2_encode_picture_header(MpegEncContext * s, int picture_number)
 
         put_bits(&s->pb, 2, SKIP_TYPE_NONE);
 
-        ff_code012(&s->pb, cbp_index=0);
+        ff_msmpeg4_code012(&s->pb, cbp_index=0);
         if(s->qscale <= 10){
             int map[3]= {0,2,1};
             w->cbp_table_index= map[cbp_index];
@@ -170,14 +170,14 @@ int ff_wmv2_encode_picture_header(MpegEncContext * s, int picture_number)
         if(w->abt_flag){
             put_bits(&s->pb, 1, w->per_mb_abt^1);
             if(!w->per_mb_abt){
-                ff_code012(&s->pb, w->abt_type);
+                ff_msmpeg4_code012(&s->pb, w->abt_type);
             }
         }
 
         if(w->per_mb_rl_bit) put_bits(&s->pb, 1, s->per_mb_rl_table);
 
         if(!s->per_mb_rl_table){
-            ff_code012(&s->pb, s->rl_table_index);
+            ff_msmpeg4_code012(&s->pb, s->rl_table_index);
             s->rl_chroma_table_index = s->rl_table_index;
         }
         put_bits(&s->pb, 1, s->dc_table_index);
@@ -203,7 +203,7 @@ void ff_wmv2_encode_mb(MpegEncContext * s,
     int pred_x, pred_y;
     uint8_t *coded_block;
 
-    handle_slices(s);
+    ff_msmpeg4_handle_slices(s);
 
     if (!s->mb_intra) {
         /* compute cbp */
@@ -219,7 +219,7 @@ void ff_wmv2_encode_mb(MpegEncContext * s,
 
         /* motion vector */
         h263_pred_motion(s, 0, 0, &pred_x, &pred_y);
-        msmpeg4_encode_motion(s, motion_x - pred_x,
+        ff_msmpeg4_encode_motion(s, motion_x - pred_x,
                               motion_y - pred_y);
     } else {
         /* compute cbp */
@@ -231,7 +231,7 @@ void ff_wmv2_encode_mb(MpegEncContext * s,
             cbp |= val << (5 - i);
             if (i < 4) {
                 /* predict value for close blocks only for luma */
-                pred = coded_block_pred(s, i, &coded_block);
+                pred = ff_msmpeg4_coded_block_pred(s, i, &coded_block);
                 *coded_block = val;
                 val = val ^ pred;
             }
@@ -482,7 +482,7 @@ static inline int wmv2_decode_motion(Wmv2Context *w, int *mx_ptr, int *my_ptr){
     MpegEncContext * const s= &w->s;
     int ret;
 
-    ret= msmpeg4_decode_motion(s, mx_ptr, my_ptr);
+    ret= ff_msmpeg4_decode_motion(s, mx_ptr, my_ptr);
 
     if(ret<0) return -1;
 
@@ -568,19 +568,19 @@ static inline int wmv2_decode_inter_block(Wmv2Context *w, DCTELEM *block, int n,
 //        printf("S%d", sub_cbp);
 
         if(sub_cbp&1){
-            if (msmpeg4_decode_block(s, block, n, 1, scantable) < 0)
+            if (ff_msmpeg4_decode_block(s, block, n, 1, scantable) < 0)
                 return -1;
         }
 
         if(sub_cbp&2){
-            if (msmpeg4_decode_block(s, w->abt_block2[n], n, 1, scantable) < 0)
+            if (ff_msmpeg4_decode_block(s, w->abt_block2[n], n, 1, scantable) < 0)
                 return -1;
         }
         s->block_last_index[n] = 63;
 
         return 0;
     }else{
-        return msmpeg4_decode_block(s, block, n, 1, s->inter_scantable.permutated);
+        return ff_msmpeg4_decode_block(s, block, n, 1, s->inter_scantable.permutated);
     }
 }
 
@@ -711,7 +711,7 @@ void ff_mspel_motion(MpegEncContext *s,
 }
 
 
-static int wmv2_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
+int ff_wmv2_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
 {
     Wmv2Context * const w= (Wmv2Context*)s;
     int cbp, code, i;
@@ -734,7 +734,7 @@ static int wmv2_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
             return 0;
         }
 
-        code = get_vlc2(&s->gb, mb_non_intra_vlc[w->cbp_table_index].table, MB_NON_INTRA_VLC_BITS, 3);
+        code = get_vlc2(&s->gb, ff_mb_non_intra_vlc[w->cbp_table_index].table, MB_NON_INTRA_VLC_BITS, 3);
         if (code < 0)
             return -1;
         s->mb_intra = (~code & 0x40) >> 6;
@@ -752,7 +752,7 @@ static int wmv2_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
         for(i=0;i<6;i++) {
             int val = ((code >> (5 - i)) & 1);
             if (i < 4) {
-                int pred = coded_block_pred(s, i, &coded_val);
+                int pred = ff_msmpeg4_coded_block_pred(s, i, &coded_val);
                 val = val ^ pred;
                 *coded_val = val;
             }
@@ -801,7 +801,7 @@ static int wmv2_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
 //printf("I at %d %d %d %06X\n", s->mb_x, s->mb_y, ((cbp&3)? 1 : 0) +((cbp&0x3C)? 2 : 0), show_bits(&s->gb, 24));
         s->ac_pred = get_bits1(&s->gb);
         if(s->inter_intra_pred){
-            s->h263_aic_dir= get_vlc2(&s->gb, inter_intra_vlc.table, INTER_INTRA_VLC_BITS, 1);
+            s->h263_aic_dir= get_vlc2(&s->gb, ff_inter_intra_vlc.table, INTER_INTRA_VLC_BITS, 1);
 //            printf("%d%d %d %d/", s->ac_pred, s->h263_aic_dir, s->mb_x, s->mb_y);
         }
         if(s->per_mb_rl_table && cbp){
@@ -811,7 +811,7 @@ static int wmv2_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
 
         s->dsp.clear_blocks(s->block[0]);
         for (i = 0; i < 6; i++) {
-            if (msmpeg4_decode_block(s, block[i], i, (cbp >> (5 - i)) & 1, NULL) < 0)
+            if (ff_msmpeg4_decode_block(s, block[i], i, (cbp >> (5 - i)) & 1, NULL) < 0)
             {
                 av_log(s->avctx, AV_LOG_ERROR, "\nerror while decoding intra block: %d x %d (%d)\n", s->mb_x, s->mb_y, i);
                 return -1;