Merge "Refactor refining_search_sad code"

vp9/common/vp9_rtcd_defs.pl

@@ -786,8 +786,7 @@ $vp9_full_search_sad_sse3=vp9_full_search_sadx3;
 $vp9_full_search_sad_sse4_1=vp9_full_search_sadx8;
 
 add_proto qw/int vp9_refining_search_sad/, "const struct macroblock *x, struct mv *ref_mv, int sad_per_bit, int distance, const struct vp9_variance_vtable *fn_ptr, const struct mv *center_mv";
-specialize qw/vp9_refining_search_sad sse3/;
-$vp9_refining_search_sad_sse3=vp9_refining_search_sadx4;
+specialize qw/vp9_refining_search_sad/;
 
 add_proto qw/int vp9_diamond_search_sad/, "const struct macroblock *x, const struct search_site_config *cfg,  struct mv *ref_mv, struct mv *best_mv, int search_param, int sad_per_bit, int *num00, const struct vp9_variance_vtable *fn_ptr, const struct mv *center_mv";
 specialize qw/vp9_diamond_search_sad sse3/;

vp9/encoder/vp9_mcomp.c

@@ -1334,51 +1334,6 @@ int vp9_refining_search_sad_c(const MACROBLOCK *x,
                               int search_range,
                               const vp9_variance_fn_ptr_t *fn_ptr,
                               const MV *center_mv) {
-  const MV neighbors[4] = {{ -1, 0}, {0, -1}, {0, 1}, {1, 0}};
-  const MACROBLOCKD *const xd = &x->e_mbd;
-  const struct buf_2d *const what = &x->plane[0].src;
-  const struct buf_2d *const in_what = &xd->plane[0].pre[0];
-  const MV fcenter_mv = {center_mv->row >> 3, center_mv->col >> 3};
-  unsigned int best_sad = fn_ptr->sdf(what->buf, what->stride,
-                                     get_buf_from_mv(in_what, ref_mv),
-                                     in_what->stride) +
-      mvsad_err_cost(x, ref_mv, &fcenter_mv, error_per_bit);
-  int i, j;
-
-  for (i = 0; i < search_range; i++) {
-    int best_site = -1;
-
-    for (j = 0; j < 4; j++) {
-      const MV mv = {ref_mv->row + neighbors[j].row,
-                     ref_mv->col + neighbors[j].col};
-      if (is_mv_in(x, &mv)) {
-        unsigned int sad = fn_ptr->sdf(what->buf, what->stride,
-            get_buf_from_mv(in_what, &mv), in_what->stride);
-        if (sad < best_sad) {
-          sad += mvsad_err_cost(x, &mv, &fcenter_mv, error_per_bit);
-          if (sad < best_sad) {
-            best_sad = sad;
-            best_site = j;
-          }
-        }
-      }
-    }
-
-    if (best_site == -1) {
-      break;
-    } else {
-      ref_mv->row += neighbors[best_site].row;
-      ref_mv->col += neighbors[best_site].col;
-    }
-  }
-  return best_sad;
-}
-
-int vp9_refining_search_sadx4(const MACROBLOCK *x,
-                              MV *ref_mv, int error_per_bit,
-                              int search_range,
-                              const vp9_variance_fn_ptr_t *fn_ptr,
-                              const MV *center_mv) {
   const MACROBLOCKD *const xd = &x->e_mbd;
   const MV neighbors[4] = {{ -1, 0}, {0, -1}, {0, 1}, {1, 0}};
   const struct buf_2d *const what = &x->plane[0].src;