Removed duplicate vp8_build_intra_predictors_mb y/uv

Added y/uv stride as a parameter and remove the
duplicate code.

Change-Id: I019117a9dd9659a09d3d4e845d4814d3f33341b5

7 files changed, 83 insertions, 315 deletions

diff --git a/vp8/common/reconintra.c b/vp8/common/reconintra.c
index 4b13777c8..f1cd12fc1 100644
--- a/vp8/common/reconintra.c
+++ b/vp8/common/reconintra.c
@@ -14,140 +14,17 @@
 #include "vpx_mem/vpx_mem.h"
 #include "blockd.h"
 
-/* For skip_recon_mb(), add vp8_build_intra_predictors_mby_s(MACROBLOCKD *x) and
- * vp8_build_intra_predictors_mbuv_s(MACROBLOCKD *x).
- */
-
-void vp8_build_intra_predictors_mby_c(MACROBLOCKD *x)
-{
-
-    unsigned char *yabove_row = x->dst.y_buffer - x->dst.y_stride;
-    unsigned char yleft_col[16];
-    unsigned char ytop_left = yabove_row[-1];
-    unsigned char *ypred_ptr = x->predictor;
-    int r, c, i;
-
-    for (i = 0; i < 16; i++)
-    {
-        yleft_col[i] = x->dst.y_buffer [i* x->dst.y_stride -1];
-    }
-
-    /* for Y */
-    switch (x->mode_info_context->mbmi.mode)
-    {
-    case DC_PRED:
-    {
-        int expected_dc;
-        int i;
-        int shift;
-        int average = 0;
-
-
-        if (x->up_available || x->left_available)
-        {
-            if (x->up_available)
-            {
-                for (i = 0; i < 16; i++)
-                {
-                    average += yabove_row[i];
-                }
-            }
-
-            if (x->left_available)
-            {
-
-                for (i = 0; i < 16; i++)
-                {
-                    average += yleft_col[i];
-                }
-
-            }
-
-
-
-            shift = 3 + x->up_available + x->left_available;
-            expected_dc = (average + (1 << (shift - 1))) >> shift;
-        }
-        else
-        {
-            expected_dc = 128;
-        }
-
-        vpx_memset(ypred_ptr, expected_dc, 256);
-    }
-    break;
-    case V_PRED:
-    {
-
-        for (r = 0; r < 16; r++)
-        {
-
-            ((int *)ypred_ptr)[0] = ((int *)yabove_row)[0];
-            ((int *)ypred_ptr)[1] = ((int *)yabove_row)[1];
-            ((int *)ypred_ptr)[2] = ((int *)yabove_row)[2];
-            ((int *)ypred_ptr)[3] = ((int *)yabove_row)[3];
-            ypred_ptr += 16;
-        }
-    }
-    break;
-    case H_PRED:
-    {
-
-        for (r = 0; r < 16; r++)
-        {
-
-            vpx_memset(ypred_ptr, yleft_col[r], 16);
-            ypred_ptr += 16;
-        }
-
-    }
-    break;
-    case TM_PRED:
-    {
-
-        for (r = 0; r < 16; r++)
-        {
-            for (c = 0; c < 16; c++)
-            {
-                int pred =  yleft_col[r] + yabove_row[ c] - ytop_left;
-
-                if (pred < 0)
-                    pred = 0;
-
-                if (pred > 255)
-                    pred = 255;
-
-                ypred_ptr[c] = pred;
-            }
-
-            ypred_ptr += 16;
-        }
-
-    }
-    break;
-    case B_PRED:
-    case NEARESTMV:
-    case NEARMV:
-    case ZEROMV:
-    case NEWMV:
-    case SPLITMV:
-    case MB_MODE_COUNT:
-        break;
-    }
-}
-
 void vp8_build_intra_predictors_mby_s(MACROBLOCKD *x,
                                           unsigned char * yabove_row,
                                           unsigned char * yleft,
                                           int left_stride,
-                                          unsigned char * ypred_ptr)
+                                          unsigned char * ypred_ptr,
+                                          int y_stride)
 {
     unsigned char yleft_col[16];
     unsigned char ytop_left = yabove_row[-1];
     int r, c, i;
 
-    int y_stride = x->dst.y_stride;
-
     for (i = 0; i < 16; i++)
     {
         yleft_col[i] = yleft[i* left_stride];
@@ -198,7 +75,7 @@ void vp8_build_intra_predictors_mby_s(MACROBLOCKD *x,
         for (r = 0; r < 16; r++)
         {
             vpx_memset(ypred_ptr, expected_dc, 16);
-            ypred_ptr += y_stride; /*16;*/
+            ypred_ptr += y_stride;
         }
     }
     break;
@@ -212,7 +89,7 @@ void vp8_build_intra_predictors_mby_s(MACROBLOCKD *x,
             ((int *)ypred_ptr)[1] = ((int *)yabove_row)[1];
             ((int *)ypred_ptr)[2] = ((int *)yabove_row)[2];
             ((int *)ypred_ptr)[3] = ((int *)yabove_row)[3];
-            ypred_ptr += y_stride; /*16;*/
+            ypred_ptr += y_stride;
         }
     }
     break;
@@ -223,7 +100,7 @@ void vp8_build_intra_predictors_mby_s(MACROBLOCKD *x,
         {
 
             vpx_memset(ypred_ptr, yleft_col[r], 16);
-            ypred_ptr += y_stride;  /*16;*/
+            ypred_ptr += y_stride;
         }
 
     }
@@ -246,145 +123,7 @@ void vp8_build_intra_predictors_mby_s(MACROBLOCKD *x,
                 ypred_ptr[c] = pred;
             }
 
-            ypred_ptr += y_stride;  /*16;*/
-        }
-
-    }
-    break;
-    case B_PRED:
-    case NEARESTMV:
-    case NEARMV:
-    case ZEROMV:
-    case NEWMV:
-    case SPLITMV:
-    case MB_MODE_COUNT:
-        break;
-    }
-}
-
-void vp8_build_intra_predictors_mbuv_c(MACROBLOCKD *x)
-{
-    unsigned char *uabove_row = x->dst.u_buffer - x->dst.uv_stride;
-    unsigned char uleft_col[16];
-    unsigned char utop_left = uabove_row[-1];
-    unsigned char *vabove_row = x->dst.v_buffer - x->dst.uv_stride;
-    unsigned char vleft_col[20];
-    unsigned char vtop_left = vabove_row[-1];
-    unsigned char *upred_ptr = &x->predictor[256];
-    unsigned char *vpred_ptr = &x->predictor[320];
-    int i, j;
-
-    for (i = 0; i < 8; i++)
-    {
-        uleft_col[i] = x->dst.u_buffer [i* x->dst.uv_stride -1];
-        vleft_col[i] = x->dst.v_buffer [i* x->dst.uv_stride -1];
-    }
-
-    switch (x->mode_info_context->mbmi.uv_mode)
-    {
-    case DC_PRED:
-    {
-        int expected_udc;
-        int expected_vdc;
-        int i;
-        int shift;
-        int Uaverage = 0;
-        int Vaverage = 0;
-
-        if (x->up_available)
-        {
-            for (i = 0; i < 8; i++)
-            {
-                Uaverage += uabove_row[i];
-                Vaverage += vabove_row[i];
-            }
-        }
-
-        if (x->left_available)
-        {
-            for (i = 0; i < 8; i++)
-            {
-                Uaverage += uleft_col[i];
-                Vaverage += vleft_col[i];
-            }
-        }
-
-        if (!x->up_available && !x->left_available)
-        {
-            expected_udc = 128;
-            expected_vdc = 128;
-        }
-        else
-        {
-            shift = 2 + x->up_available + x->left_available;
-            expected_udc = (Uaverage + (1 << (shift - 1))) >> shift;
-            expected_vdc = (Vaverage + (1 << (shift - 1))) >> shift;
-        }
-
-
-        vpx_memset(upred_ptr, expected_udc, 64);
-        vpx_memset(vpred_ptr, expected_vdc, 64);
-
-
-    }
-    break;
-    case V_PRED:
-    {
-        int i;
-
-        for (i = 0; i < 8; i++)
-        {
-            vpx_memcpy(upred_ptr, uabove_row, 8);
-            vpx_memcpy(vpred_ptr, vabove_row, 8);
-            upred_ptr += 8;
-            vpred_ptr += 8;
-        }
-
-    }
-    break;
-    case H_PRED:
-    {
-        int i;
-
-        for (i = 0; i < 8; i++)
-        {
-            vpx_memset(upred_ptr, uleft_col[i], 8);
-            vpx_memset(vpred_ptr, vleft_col[i], 8);
-            upred_ptr += 8;
-            vpred_ptr += 8;
-        }
-    }
-
-    break;
-    case TM_PRED:
-    {
-        int i;
-
-        for (i = 0; i < 8; i++)
-        {
-            for (j = 0; j < 8; j++)
-            {
-                int predu = uleft_col[i] + uabove_row[j] - utop_left;
-                int predv = vleft_col[i] + vabove_row[j] - vtop_left;
-
-                if (predu < 0)
-                    predu = 0;
-
-                if (predu > 255)
-                    predu = 255;
-
-                if (predv < 0)
-                    predv = 0;
-
-                if (predv > 255)
-                    predv = 255;
-
-                upred_ptr[j] = predu;
-                vpred_ptr[j] = predv;
-            }
-
-            upred_ptr += 8;
-            vpred_ptr += 8;
+            ypred_ptr += y_stride;
         }
 
     }
@@ -407,13 +146,13 @@ void vp8_build_intra_predictors_mbuv_s_c(MACROBLOCKD *x,
                                          unsigned char * vleft,
                                          int left_stride,
                                          unsigned char * upred_ptr,
-                                         unsigned char * vpred_ptr)
+                                         unsigned char * vpred_ptr,
+                                         int pred_stride)
 {
     unsigned char uleft_col[8];
     unsigned char utop_left = uabove_row[-1];
     unsigned char vleft_col[8];
     unsigned char vtop_left = vabove_row[-1];
-    int uv_stride = x->dst.uv_stride;
 
     int i, j;
 
@@ -471,8 +210,8 @@ void vp8_build_intra_predictors_mbuv_s_c(MACROBLOCKD *x,
         {
             vpx_memset(upred_ptr, expected_udc, 8);
             vpx_memset(vpred_ptr, expected_vdc, 8);
-            upred_ptr += uv_stride; /*8;*/
-            vpred_ptr += uv_stride; /*8;*/
+            upred_ptr += pred_stride;
+            vpred_ptr += pred_stride;
         }
     }
     break;
@@ -484,8 +223,8 @@ void vp8_build_intra_predictors_mbuv_s_c(MACROBLOCKD *x,
         {
             vpx_memcpy(upred_ptr, uabove_row, 8);
             vpx_memcpy(vpred_ptr, vabove_row, 8);
-            upred_ptr += uv_stride; /*8;*/
-            vpred_ptr += uv_stride; /*8;*/
+            upred_ptr += pred_stride;
+            vpred_ptr += pred_stride;
         }
 
     }
@@ -498,8 +237,8 @@ void vp8_build_intra_predictors_mbuv_s_c(MACROBLOCKD *x,
         {
             vpx_memset(upred_ptr, uleft_col[i], 8);
             vpx_memset(vpred_ptr, vleft_col[i], 8);
-            upred_ptr += uv_stride; /*8;*/
-            vpred_ptr += uv_stride; /*8;*/
+            upred_ptr += pred_stride;
+            vpred_ptr += pred_stride;
         }
     }
 
@@ -531,8 +270,8 @@ void vp8_build_intra_predictors_mbuv_s_c(MACROBLOCKD *x,
                 vpred_ptr[j] = predv;
             }
 
-            upred_ptr += uv_stride; /*8;*/
-            vpred_ptr += uv_stride; /*8;*/
+            upred_ptr += pred_stride;
+            vpred_ptr += pred_stride;
         }
 
     }
diff --git a/vp8/common/rtcd_defs.sh b/vp8/common/rtcd_defs.sh
index 0fdb4fa00..fee896595 100644
--- a/vp8/common/rtcd_defs.sh
+++ b/vp8/common/rtcd_defs.sh
@@ -122,16 +122,10 @@ prototype void vp8_copy_mem8x4 "unsigned char *src, int src_pitch, unsigned char
 specialize vp8_copy_mem8x4 mmx media neon
 vp8_copy_mem8x4_media=vp8_copy_mem8x4_v6
 
-prototype void vp8_build_intra_predictors_mby "struct macroblockd *x"
-specialize vp8_build_intra_predictors_mby sse2 ssse3 neon
-
-prototype void vp8_build_intra_predictors_mby_s "struct macroblockd *x, unsigned char * yabove_row, unsigned char * yleft, int left_stride, unsigned char * ypred_ptr"
+prototype void vp8_build_intra_predictors_mby_s "struct macroblockd *x, unsigned char * yabove_row, unsigned char * yleft, int left_stride, unsigned char * ypred_ptr, int y_stride"
 #TODO: fix assembly --- specialize vp8_build_intra_predictors_mby_s sse2 ssse3 neon
 
-prototype void vp8_build_intra_predictors_mbuv "struct macroblockd *x"
-specialize vp8_build_intra_predictors_mbuv sse2 ssse3
-
-prototype void vp8_build_intra_predictors_mbuv_s "struct macroblockd *x, unsigned char * uabove_row, unsigned char * vabove_row,  unsigned char *uleft, unsigned char *vleft, int left_stride, unsigned char * upred_ptr, unsigned char * vpred_ptr"
+prototype void vp8_build_intra_predictors_mbuv_s "struct macroblockd *x, unsigned char * uabove_row, unsigned char * vabove_row,  unsigned char *uleft, unsigned char *vleft, int left_stride, unsigned char * upred_ptr, unsigned char * vpred_ptr, int pred_stride"
 #TODO: fix assembly --- specialize vp8_build_intra_predictors_mbuv_s sse2 ssse3
 
 prototype void vp8_intra4x4_predict "unsigned char *src, int src_stride, int b_mode, unsigned char *dst, int dst_stride"
diff --git a/vp8/decoder/decodframe.c b/vp8/decoder/decodframe.c
index 08a0c4b98..f75e8eede 100644
--- a/vp8/decoder/decodframe.c
+++ b/vp8/decoder/decodframe.c
@@ -162,7 +162,8 @@ static void decode_macroblock(VP8D_COMP *pbi, MACROBLOCKD *xd,
                                           xd->recon_left[1],
                                           xd->recon_left[2],
                                           xd->recon_left_stride[1],
-                                          xd->dst.u_buffer, xd->dst.v_buffer);
+                                          xd->dst.u_buffer, xd->dst.v_buffer,
+                                          xd->dst.uv_stride);
 
         if (mode != B_PRED)
         {
@@ -170,7 +171,8 @@ static void decode_macroblock(VP8D_COMP *pbi, MACROBLOCKD *xd,
                                                  xd->recon_above[0],
                                                  xd->recon_left[0],
                                                  xd->recon_left_stride[0],
-                                                 xd->dst.y_buffer);
+                                                 xd->dst.y_buffer,
+                                                 xd->dst.y_stride);
         }
         else
         {
diff --git a/vp8/decoder/threading.c b/vp8/decoder/threading.c
index bc4450daf..20c564b32 100644
--- a/vp8/decoder/threading.c
+++ b/vp8/decoder/threading.c
@@ -150,7 +150,8 @@ static void decode_macroblock(VP8D_COMP *pbi, MACROBLOCKD *xd, unsigned int mb_i
                                           xd->recon_left[1],
                                           xd->recon_left[2],
                                           xd->recon_left_stride[1],
-                                          xd->dst.u_buffer, xd->dst.v_buffer);
+                                          xd->dst.u_buffer, xd->dst.v_buffer,
+                                          xd->dst.uv_stride);
 
         if (mode != B_PRED)
         {
@@ -158,7 +159,8 @@ static void decode_macroblock(VP8D_COMP *pbi, MACROBLOCKD *xd, unsigned int mb_i
                                                  xd->recon_above[0],
                                                  xd->recon_left[0],
                                                  xd->recon_left_stride[0],
-                                                 xd->dst.y_buffer);
+                                                 xd->dst.y_buffer,
+                                                 xd->dst.y_stride);
         }
         else
         {
diff --git a/vp8/encoder/encodeintra.c b/vp8/encoder/encodeintra.c
index f73bcc59d..1f445b7ec 100644
--- a/vp8/encoder/encodeintra.c
+++ b/vp8/encoder/encodeintra.c
@@ -99,7 +99,8 @@ void vp8_encode_intra16x16mby(MACROBLOCK *x)
                                          xd->dst.y_buffer - xd->dst.y_stride,
                                          xd->dst.y_buffer - 1,
                                          xd->dst.y_stride,
-                                         xd->dst.y_buffer);
+                                         xd->dst.y_buffer,
+                                         xd->dst.y_stride);
 
     vp8_subtract_mby(x->src_diff, *(b->base_src),
         b->src_stride, xd->dst.y_buffer, xd->dst.y_stride);
@@ -121,7 +122,8 @@ void vp8_encode_intra16x16mbuv(MACROBLOCK *x)
                                       xd->dst.u_buffer - 1,
                                       xd->dst.v_buffer - 1,
                                       xd->dst.uv_stride,
-                                      xd->dst.u_buffer, xd->dst.v_buffer);
+                                      xd->dst.u_buffer, xd->dst.v_buffer,
+                                      xd->dst.uv_stride);
 
     vp8_subtract_mbuv(x->src_diff, x->src.u_buffer,
         x->src.v_buffer, x->src.uv_stride, xd->dst.u_buffer,
diff --git a/vp8/encoder/pickinter.c b/vp8/encoder/pickinter.c
index 24e041f8d..dafb64527 100644
--- a/vp8/encoder/pickinter.c
+++ b/vp8/encoder/pickinter.c
@@ -735,8 +735,12 @@ void vp8_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset,
         case V_PRED:
         case H_PRED:
         case TM_PRED:
-            vp8_build_intra_predictors_mby
-                (&x->e_mbd);
+            vp8_build_intra_predictors_mby_s(xd,
+                                             xd->dst.y_buffer - xd->dst.y_stride,
+                                             xd->dst.y_buffer - 1,
+                                             xd->dst.y_stride,
+                                             xd->predictor,
+                                             16);
             distortion2 = vp8_variance16x16
                                           (*(b->base_src), b->src_stride,
                                           x->e_mbd.predictor, 16, &sse);
@@ -1130,19 +1134,24 @@ void vp8_pick_intra_mode(VP8_COMP *cpi, MACROBLOCK *x, int *rate_)
     int this_rd;
     unsigned int sse;
     BLOCK *b = &x->block[0];
+    MACROBLOCKD *xd = &x->e_mbd;
 
-    x->e_mbd.mode_info_context->mbmi.ref_frame = INTRA_FRAME;
+    xd->mode_info_context->mbmi.ref_frame = INTRA_FRAME;
 
     pick_intra_mbuv_mode(x);
 
     for (mode = DC_PRED; mode <= TM_PRED; mode ++)
     {
-        x->e_mbd.mode_info_context->mbmi.mode = mode;
-        vp8_build_intra_predictors_mby
-            (&x->e_mbd);
+        xd->mode_info_context->mbmi.mode = mode;
+        vp8_build_intra_predictors_mby_s(xd,
+                                         xd->dst.y_buffer - xd->dst.y_stride,
+                                         xd->dst.y_buffer - 1,
+                                         xd->dst.y_stride,
+                                         xd->predictor,
+                                         16);
         distortion = vp8_variance16x16
-            (*(b->base_src), b->src_stride, x->e_mbd.predictor, 16, &sse);
-        rate = x->mbmode_cost[x->e_mbd.frame_type][mode];
+            (*(b->base_src), b->src_stride, xd->predictor, 16, &sse);
+        rate = x->mbmode_cost[xd->frame_type][mode];
         this_rd = RDCOST(x->rdmult, x->rddiv, rate, distortion);
 
         if (error16x16 > this_rd)
@@ -1153,13 +1162,13 @@ void vp8_pick_intra_mode(VP8_COMP *cpi, MACROBLOCK *x, int *rate_)
             best_rate = rate;
         }
     }
-    x->e_mbd.mode_info_context->mbmi.mode = best_mode;
+    xd->mode_info_context->mbmi.mode = best_mode;
 
     error4x4 = pick_intra4x4mby_modes(x, &rate,
                                       &best_sse);
     if (error4x4 < error16x16)
     {
-        x->e_mbd.mode_info_context->mbmi.mode = B_PRED;
+        xd->mode_info_context->mbmi.mode = B_PRED;
         best_rate = rate;
     }
 
diff --git a/vp8/encoder/rdopt.c b/vp8/encoder/rdopt.c
index 8f575e498..2b706ba9e 100644
--- a/vp8/encoder/rdopt.c
+++ b/vp8/encoder/rdopt.c
@@ -782,18 +782,23 @@ static int rd_pick_intra16x16mby_mode(VP8_COMP *cpi,
     int distortion;
     int best_rd = INT_MAX;
     int this_rd;
+    MACROBLOCKD *xd = &x->e_mbd;
 
     //Y Search for 16x16 intra prediction mode
     for (mode = DC_PRED; mode <= TM_PRED; mode++)
     {
-        x->e_mbd.mode_info_context->mbmi.mode = mode;
+        xd->mode_info_context->mbmi.mode = mode;
 
-        vp8_build_intra_predictors_mby
-            (&x->e_mbd);
+        vp8_build_intra_predictors_mby_s(xd,
+                                         xd->dst.y_buffer - xd->dst.y_stride,
+                                         xd->dst.y_buffer - 1,
+                                         xd->dst.y_stride,
+                                         xd->predictor,
+                                         16);
 
         macro_block_yrd(x, &ratey, &distortion);
-        rate = ratey + x->mbmode_cost[x->e_mbd.frame_type]
-                                     [x->e_mbd.mode_info_context->mbmi.mode];
+        rate = ratey + x->mbmode_cost[xd->frame_type]
+                                     [xd->mode_info_context->mbmi.mode];
 
         this_rd = RDCOST(x->rdmult, x->rddiv, rate, distortion);
 
@@ -807,7 +812,7 @@ static int rd_pick_intra16x16mby_mode(VP8_COMP *cpi,
         }
     }
 
-    x->e_mbd.mode_info_context->mbmi.mode = mode_selected;
+    xd->mode_info_context->mbmi.mode = mode_selected;
     return best_rd;
 }
 
@@ -875,6 +880,7 @@ static void rd_pick_intra_mbuv_mode(VP8_COMP *cpi, MACROBLOCK *x, int *rate, int
     int best_rd = INT_MAX;
     int UNINITIALIZED_IS_SAFE(d), UNINITIALIZED_IS_SAFE(r);
     int rate_to;
+    MACROBLOCKD *xd = &x->e_mbd;
 
     for (mode = DC_PRED; mode <= TM_PRED; mode++)
     {
@@ -882,17 +888,26 @@ static void rd_pick_intra_mbuv_mode(VP8_COMP *cpi, MACROBLOCK *x, int *rate, int
         int distortion;
         int this_rd;
 
-        x->e_mbd.mode_info_context->mbmi.uv_mode = mode;
-        vp8_build_intra_predictors_mbuv
-                     (&x->e_mbd);
+        xd->mode_info_context->mbmi.uv_mode = mode;
+
+        vp8_build_intra_predictors_mbuv_s(xd,
+                                          xd->dst.u_buffer - xd->dst.uv_stride,
+                                          xd->dst.v_buffer - xd->dst.uv_stride,
+                                          xd->dst.u_buffer - 1,
+                                          xd->dst.v_buffer - 1,
+                                          xd->dst.uv_stride,
+                                          &xd->predictor[256], &xd->predictor[320],
+                                          8);
+
+
         vp8_subtract_mbuv(x->src_diff,
                       x->src.u_buffer, x->src.v_buffer, x->src.uv_stride,
-                      &x->e_mbd.predictor[256], &x->e_mbd.predictor[320], 8);
+                      &xd->predictor[256], &xd->predictor[320], 8);
         vp8_transform_mbuv(x);
         vp8_quantize_mbuv(x);
 
         rate_to = rd_cost_mbuv(x);
-        rate = rate_to + x->intra_uv_mode_cost[x->e_mbd.frame_type][x->e_mbd.mode_info_context->mbmi.uv_mode];
+        rate = rate_to + x->intra_uv_mode_cost[xd->frame_type][xd->mode_info_context->mbmi.uv_mode];
 
         distortion = vp8_mbuverror(x) / 4;
 
@@ -911,7 +926,7 @@ static void rd_pick_intra_mbuv_mode(VP8_COMP *cpi, MACROBLOCK *x, int *rate, int
     *rate = r;
     *distortion = d;
 
-    x->e_mbd.mode_info_context->mbmi.uv_mode = mode_selected;
+    xd->mode_info_context->mbmi.uv_mode = mode_selected;
 }
 
 int vp8_cost_mv_ref(MB_PREDICTION_MODE m, const int near_mv_ref_ct[4])
@@ -2157,8 +2172,13 @@ void vp8_rd_pick_inter_mode(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset,
         {
             int distortion;
             x->e_mbd.mode_info_context->mbmi.ref_frame = INTRA_FRAME;
-            vp8_build_intra_predictors_mby
-                (&x->e_mbd);
+
+            vp8_build_intra_predictors_mby_s(xd,
+                                             xd->dst.y_buffer - xd->dst.y_stride,
+                                             xd->dst.y_buffer - 1,
+                                             xd->dst.y_stride,
+                                             xd->predictor,
+                                             16);
             macro_block_yrd(x, &rd.rate_y, &distortion) ;
             rd.rate2 += rd.rate_y;
             rd.distortion2 += distortion;