diff --git a/libavcodec/dsputil.c b/libavcodec/dsputil.c
index 055486d493..af6341a729 100644
--- a/libavcodec/dsputil.c
+++ b/libavcodec/dsputil.c
@@ -404,6 +404,35 @@ int w97_32_c(void *v, uint8_t * pix1, uint8_t * pix2, int line_size, int h){
 }
 #endif
 
+/* draw the edges of width 'w' of an image of size width, height */
+//FIXME check that this is ok for mpeg4 interlaced
+static void draw_edges_c(uint8_t *buf, int wrap, int width, int height, int w)
+{
+    uint8_t *ptr, *last_line;
+    int i;
+
+    last_line = buf + (height - 1) * wrap;
+    for(i=0;i<w;i++) {
+        /* top and bottom */
+        memcpy(buf - (i + 1) * wrap, buf, width);
+        memcpy(last_line + (i + 1) * wrap, last_line, width);
+    }
+    /* left and right */
+    ptr = buf;
+    for(i=0;i<height;i++) {
+        memset(ptr - w, ptr[0], w);
+        memset(ptr + width, ptr[width-1], w);
+        ptr += wrap;
+    }
+    /* corners */
+    for(i=0;i<w;i++) {
+        memset(buf - (i + 1) * wrap - w, buf[0], w); /* top left */
+        memset(buf - (i + 1) * wrap + width, buf[width-1], w); /* top right */
+        memset(last_line + (i + 1) * wrap - w, last_line[0], w); /* top left */
+        memset(last_line + (i + 1) * wrap + width, last_line[width-1], w); /* top right */
+    }
+}
+
 static void get_pixels_c(DCTELEM *restrict block, const uint8_t *pixels, int line_size)
 {
     int i;
@@ -4203,6 +4232,8 @@ void dsputil_init(DSPContext* c, AVCodecContext *avctx)
     c->biweight_h264_pixels_tab[8]= biweight_h264_pixels2x4_c;
     c->biweight_h264_pixels_tab[9]= biweight_h264_pixels2x2_c;
 
+    c->draw_edges = draw_edges_c;
+
 #ifdef CONFIG_CAVS_DECODER
     ff_cavsdsp_init(c,avctx);
 #endif
diff --git a/libavcodec/dsputil.h b/libavcodec/dsputil.h
index 5fe169eccd..dc930431d8 100644
--- a/libavcodec/dsputil.h
+++ b/libavcodec/dsputil.h
@@ -392,6 +392,8 @@ typedef struct DSPContext {
 #define BASIS_SHIFT 16
 #define RECON_SHIFT 6
 
+    void (*draw_edges)(uint8_t *buf, int wrap, int width, int height, int w);
+
     /* h264 functions */
     void (*h264_idct_add)(uint8_t *dst, DCTELEM *block, int stride);
     void (*h264_idct8_add)(uint8_t *dst, DCTELEM *block, int stride);
diff --git a/libavcodec/i386/dsputil_mmx.c b/libavcodec/i386/dsputil_mmx.c
index 30e938312d..c0d5bfcaca 100644
--- a/libavcodec/i386/dsputil_mmx.c
+++ b/libavcodec/i386/dsputil_mmx.c
@@ -696,6 +696,94 @@ static void h263_h_loop_filter_mmx(uint8_t *src, int stride, int qscale){
     }
 }
 
+/* draw the edges of width 'w' of an image of size width, height
+   this mmx version can only handle w==8 || w==16 */
+static void draw_edges_mmx(uint8_t *buf, int wrap, int width, int height, int w)
+{
+    uint8_t *ptr, *last_line;
+    int i;
+
+    last_line = buf + (height - 1) * wrap;
+    /* left and right */
+    ptr = buf;
+    if(w==8)
+    {
+        asm volatile(
+                "1:                             \n\t"
+                "movd (%0), %%mm0               \n\t"
+                "punpcklbw %%mm0, %%mm0         \n\t"
+                "punpcklwd %%mm0, %%mm0         \n\t"
+                "punpckldq %%mm0, %%mm0         \n\t"
+                "movq %%mm0, -8(%0)             \n\t"
+                "movq -8(%0, %2), %%mm1         \n\t"
+                "punpckhbw %%mm1, %%mm1         \n\t"
+                "punpckhwd %%mm1, %%mm1         \n\t"
+                "punpckhdq %%mm1, %%mm1         \n\t"
+                "movq %%mm1, (%0, %2)           \n\t"
+                "add %1, %0                     \n\t"
+                "cmp %3, %0                     \n\t"
+                " jb 1b                         \n\t"
+                : "+r" (ptr)
+                : "r" ((long)wrap), "r" ((long)width), "r" (ptr + wrap*height)
+        );
+    }
+    else
+    {
+        asm volatile(
+                "1:                             \n\t"
+                "movd (%0), %%mm0               \n\t"
+                "punpcklbw %%mm0, %%mm0         \n\t"
+                "punpcklwd %%mm0, %%mm0         \n\t"
+                "punpckldq %%mm0, %%mm0         \n\t"
+                "movq %%mm0, -8(%0)             \n\t"
+                "movq %%mm0, -16(%0)            \n\t"
+                "movq -8(%0, %2), %%mm1         \n\t"
+                "punpckhbw %%mm1, %%mm1         \n\t"
+                "punpckhwd %%mm1, %%mm1         \n\t"
+                "punpckhdq %%mm1, %%mm1         \n\t"
+                "movq %%mm1, (%0, %2)           \n\t"
+                "movq %%mm1, 8(%0, %2)          \n\t"
+                "add %1, %0                     \n\t"
+                "cmp %3, %0                     \n\t"
+                " jb 1b                         \n\t"
+                : "+r" (ptr)
+                : "r" ((long)wrap), "r" ((long)width), "r" (ptr + wrap*height)
+        );
+    }
+
+    for(i=0;i<w;i+=4) {
+        /* top and bottom (and hopefully also the corners) */
+        ptr= buf - (i + 1) * wrap - w;
+        asm volatile(
+                "1:                             \n\t"
+                "movq (%1, %0), %%mm0           \n\t"
+                "movq %%mm0, (%0)               \n\t"
+                "movq %%mm0, (%0, %2)           \n\t"
+                "movq %%mm0, (%0, %2, 2)        \n\t"
+                "movq %%mm0, (%0, %3)           \n\t"
+                "add $8, %0                     \n\t"
+                "cmp %4, %0                     \n\t"
+                " jb 1b                         \n\t"
+                : "+r" (ptr)
+                : "r" ((long)buf - (long)ptr - w), "r" ((long)-wrap), "r" ((long)-wrap*3), "r" (ptr+width+2*w)
+        );
+        ptr= last_line + (i + 1) * wrap - w;
+        asm volatile(
+                "1:                             \n\t"
+                "movq (%1, %0), %%mm0           \n\t"
+                "movq %%mm0, (%0)               \n\t"
+                "movq %%mm0, (%0, %2)           \n\t"
+                "movq %%mm0, (%0, %2, 2)        \n\t"
+                "movq %%mm0, (%0, %3)           \n\t"
+                "add $8, %0                     \n\t"
+                "cmp %4, %0                     \n\t"
+                " jb 1b                         \n\t"
+                : "+r" (ptr)
+                : "r" ((long)last_line - (long)ptr - w), "r" ((long)wrap), "r" ((long)wrap*3), "r" (ptr+width+2*w)
+        );
+    }
+}
+
 #define PAETH(cpu, abs3)\
 void add_png_paeth_prediction_##cpu(uint8_t *dst, uint8_t *src, uint8_t *top, int w, int bpp)\
 {\
@@ -2075,6 +2163,8 @@ void dsputil_init_mmx(DSPContext* c, AVCodecContext *avctx)
         c->add_bytes= add_bytes_mmx;
         c->add_bytes_l2= add_bytes_l2_mmx;
 
+        c->draw_edges = draw_edges_mmx;
+
         if (ENABLE_ANY_H263) {
             c->h263_v_loop_filter= h263_v_loop_filter_mmx;
             c->h263_h_loop_filter= h263_h_loop_filter_mmx;
diff --git a/libavcodec/i386/mpegvideo_mmx.c b/libavcodec/i386/mpegvideo_mmx.c
index 90b553aa2b..0823fddebc 100644
--- a/libavcodec/i386/mpegvideo_mmx.c
+++ b/libavcodec/i386/mpegvideo_mmx.c
@@ -475,94 +475,6 @@ asm volatile(
         );
 }
 
-/* draw the edges of width 'w' of an image of size width, height
-   this mmx version can only handle w==8 || w==16 */
-static void draw_edges_mmx(uint8_t *buf, int wrap, int width, int height, int w)
-{
-    uint8_t *ptr, *last_line;
-    int i;
-
-    last_line = buf + (height - 1) * wrap;
-    /* left and right */
-    ptr = buf;
-    if(w==8)
-    {
-        asm volatile(
-                "1:                             \n\t"
-                "movd (%0), %%mm0               \n\t"
-                "punpcklbw %%mm0, %%mm0         \n\t"
-                "punpcklwd %%mm0, %%mm0         \n\t"
-                "punpckldq %%mm0, %%mm0         \n\t"
-                "movq %%mm0, -8(%0)             \n\t"
-                "movq -8(%0, %2), %%mm1         \n\t"
-                "punpckhbw %%mm1, %%mm1         \n\t"
-                "punpckhwd %%mm1, %%mm1         \n\t"
-                "punpckhdq %%mm1, %%mm1         \n\t"
-                "movq %%mm1, (%0, %2)           \n\t"
-                "add %1, %0                     \n\t"
-                "cmp %3, %0                     \n\t"
-                " jb 1b                         \n\t"
-                : "+r" (ptr)
-                : "r" ((long)wrap), "r" ((long)width), "r" (ptr + wrap*height)
-        );
-    }
-    else
-    {
-        asm volatile(
-                "1:                             \n\t"
-                "movd (%0), %%mm0               \n\t"
-                "punpcklbw %%mm0, %%mm0         \n\t"
-                "punpcklwd %%mm0, %%mm0         \n\t"
-                "punpckldq %%mm0, %%mm0         \n\t"
-                "movq %%mm0, -8(%0)             \n\t"
-                "movq %%mm0, -16(%0)            \n\t"
-                "movq -8(%0, %2), %%mm1         \n\t"
-                "punpckhbw %%mm1, %%mm1         \n\t"
-                "punpckhwd %%mm1, %%mm1         \n\t"
-                "punpckhdq %%mm1, %%mm1         \n\t"
-                "movq %%mm1, (%0, %2)           \n\t"
-                "movq %%mm1, 8(%0, %2)          \n\t"
-                "add %1, %0                     \n\t"
-                "cmp %3, %0                     \n\t"
-                " jb 1b                         \n\t"
-                : "+r" (ptr)
-                : "r" ((long)wrap), "r" ((long)width), "r" (ptr + wrap*height)
-        );
-    }
-
-    for(i=0;i<w;i+=4) {
-        /* top and bottom (and hopefully also the corners) */
-        ptr= buf - (i + 1) * wrap - w;
-        asm volatile(
-                "1:                             \n\t"
-                "movq (%1, %0), %%mm0           \n\t"
-                "movq %%mm0, (%0)               \n\t"
-                "movq %%mm0, (%0, %2)           \n\t"
-                "movq %%mm0, (%0, %2, 2)        \n\t"
-                "movq %%mm0, (%0, %3)           \n\t"
-                "add $8, %0                     \n\t"
-                "cmp %4, %0                     \n\t"
-                " jb 1b                         \n\t"
-                : "+r" (ptr)
-                : "r" ((long)buf - (long)ptr - w), "r" ((long)-wrap), "r" ((long)-wrap*3), "r" (ptr+width+2*w)
-        );
-        ptr= last_line + (i + 1) * wrap - w;
-        asm volatile(
-                "1:                             \n\t"
-                "movq (%1, %0), %%mm0           \n\t"
-                "movq %%mm0, (%0)               \n\t"
-                "movq %%mm0, (%0, %2)           \n\t"
-                "movq %%mm0, (%0, %2, 2)        \n\t"
-                "movq %%mm0, (%0, %3)           \n\t"
-                "add $8, %0                     \n\t"
-                "cmp %4, %0                     \n\t"
-                " jb 1b                         \n\t"
-                : "+r" (ptr)
-                : "r" ((long)last_line - (long)ptr - w), "r" ((long)wrap), "r" ((long)wrap*3), "r" (ptr+width+2*w)
-        );
-    }
-}
-
 static void  denoise_dct_mmx(MpegEncContext *s, DCTELEM *block){
     const int intra= s->mb_intra;
     int *sum= s->dct_error_sum[intra];
@@ -718,8 +630,6 @@ void MPV_common_init_mmx(MpegEncContext *s)
             s->dct_unquantize_mpeg2_intra = dct_unquantize_mpeg2_intra_mmx;
         s->dct_unquantize_mpeg2_inter = dct_unquantize_mpeg2_inter_mmx;
 
-        draw_edges = draw_edges_mmx;
-
         if (mm_flags & MM_SSE2) {
             s->denoise_dct= denoise_dct_sse2;
         } else {
diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index 76a17d56d5..18b4a57dc2 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -53,14 +53,11 @@ static void dct_unquantize_h263_intra_c(MpegEncContext *s,
                                   DCTELEM *block, int n, int qscale);
 static void dct_unquantize_h263_inter_c(MpegEncContext *s,
                                   DCTELEM *block, int n, int qscale);
-static void draw_edges_c(uint8_t *buf, int wrap, int width, int height, int w);
 
 extern int  XVMC_field_start(MpegEncContext*s, AVCodecContext *avctx);
 extern void XVMC_field_end(MpegEncContext *s);
 extern void XVMC_decode_mb(MpegEncContext *s);
 
-void (*draw_edges)(uint8_t *buf, int wrap, int width, int height, int w)= draw_edges_c;
-
 
 /* enable all paranoid tests for rounding, overflows, etc... */
 //#define PARANOID
@@ -793,35 +790,6 @@ void init_vlc_rl(RLTable *rl, int use_static)
     }
 }
 
-/* draw the edges of width 'w' of an image of size width, height */
-//FIXME check that this is ok for mpeg4 interlaced
-static void draw_edges_c(uint8_t *buf, int wrap, int width, int height, int w)
-{
-    uint8_t *ptr, *last_line;
-    int i;
-
-    last_line = buf + (height - 1) * wrap;
-    for(i=0;i<w;i++) {
-        /* top and bottom */
-        memcpy(buf - (i + 1) * wrap, buf, width);
-        memcpy(last_line + (i + 1) * wrap, last_line, width);
-    }
-    /* left and right */
-    ptr = buf;
-    for(i=0;i<height;i++) {
-        memset(ptr - w, ptr[0], w);
-        memset(ptr + width, ptr[width-1], w);
-        ptr += wrap;
-    }
-    /* corners */
-    for(i=0;i<w;i++) {
-        memset(buf - (i + 1) * wrap - w, buf[0], w); /* top left */
-        memset(buf - (i + 1) * wrap + width, buf[width-1], w); /* top right */
-        memset(last_line + (i + 1) * wrap - w, last_line[0], w); /* top left */
-        memset(last_line + (i + 1) * wrap + width, last_line[width-1], w); /* top right */
-    }
-}
-
 int ff_find_unused_picture(MpegEncContext *s, int shared){
     int i;
 
@@ -1015,9 +983,9 @@ void MPV_frame_end(MpegEncContext *s)
     }else
 #endif
     if(s->unrestricted_mv && s->current_picture.reference && !s->intra_only && !(s->flags&CODEC_FLAG_EMU_EDGE)) {
-            draw_edges(s->current_picture.data[0], s->linesize  , s->h_edge_pos   , s->v_edge_pos   , EDGE_WIDTH  );
-            draw_edges(s->current_picture.data[1], s->uvlinesize, s->h_edge_pos>>1, s->v_edge_pos>>1, EDGE_WIDTH/2);
-            draw_edges(s->current_picture.data[2], s->uvlinesize, s->h_edge_pos>>1, s->v_edge_pos>>1, EDGE_WIDTH/2);
+            s->dsp.draw_edges(s->current_picture.data[0], s->linesize  , s->h_edge_pos   , s->v_edge_pos   , EDGE_WIDTH  );
+            s->dsp.draw_edges(s->current_picture.data[1], s->uvlinesize, s->h_edge_pos>>1, s->v_edge_pos>>1, EDGE_WIDTH/2);
+            s->dsp.draw_edges(s->current_picture.data[2], s->uvlinesize, s->h_edge_pos>>1, s->v_edge_pos>>1, EDGE_WIDTH/2);
     }
     emms_c();
 
diff --git a/libavcodec/snow.c b/libavcodec/snow.c
index 9fcb2d0eaf..81b61ac885 100644
--- a/libavcodec/snow.c
+++ b/libavcodec/snow.c
@@ -4120,9 +4120,9 @@ static int frame_start(SnowContext *s){
    int h= s->avctx->height;
 
     if(s->current_picture.data[0]){
-        draw_edges(s->current_picture.data[0], s->current_picture.linesize[0], w   , h   , EDGE_WIDTH  );
-        draw_edges(s->current_picture.data[1], s->current_picture.linesize[1], w>>1, h>>1, EDGE_WIDTH/2);
-        draw_edges(s->current_picture.data[2], s->current_picture.linesize[2], w>>1, h>>1, EDGE_WIDTH/2);
+        s->dsp.draw_edges(s->current_picture.data[0], s->current_picture.linesize[0], w   , h   , EDGE_WIDTH  );
+        s->dsp.draw_edges(s->current_picture.data[1], s->current_picture.linesize[1], w>>1, h>>1, EDGE_WIDTH/2);
+        s->dsp.draw_edges(s->current_picture.data[2], s->current_picture.linesize[2], w>>1, h>>1, EDGE_WIDTH/2);
     }
 
     tmp= s->last_picture[s->max_ref_frames-1];