Commit 1226d133 authored by Yunqing Wang's avatar Yunqing Wang Committed by Gerrit Code Review
Browse files

Merge "Refactor vp9_diamond_search_sad function"

parents 46441ec5 75cd5750
......@@ -789,8 +789,7 @@ add_proto qw/int vp9_refining_search_sad/, "const struct macroblock *x, struct m
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_diamond_search_sad_sse3=vp9_diamond_search_sadx4;
specialize qw/vp9_diamond_search_sad/;
add_proto qw/int vp9_full_range_search/, "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_full_range_search/;
......
......@@ -850,94 +850,6 @@ int vp9_full_range_search_c(const MACROBLOCK *x,
}
int vp9_diamond_search_sad_c(const MACROBLOCK *x,
const search_site_config *cfg,
MV *ref_mv, MV *best_mv,
int search_param, int sad_per_bit, int *num00,
const vp9_variance_fn_ptr_t *fn_ptr,
const MV *center_mv) {
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];
// search_param determines the length of the initial step and hence the number
// of iterations
// 0 = initial step (MAX_FIRST_STEP) pel : 1 = (MAX_FIRST_STEP/2) pel, 2 =
// (MAX_FIRST_STEP/4) pel... etc.
const search_site *const ss = &cfg->ss[search_param * cfg->searches_per_step];
const int tot_steps = (cfg->ss_count / cfg->searches_per_step) - search_param;
const MV fcenter_mv = {center_mv->row >> 3, center_mv->col >> 3};
const uint8_t *best_address, *in_what_ref;
int best_sad = INT_MAX;
int best_site = 0;
int last_site = 0;
int i, j, step;
clamp_mv(ref_mv, x->mv_col_min, x->mv_col_max, x->mv_row_min, x->mv_row_max);
in_what_ref = get_buf_from_mv(in_what, ref_mv);
best_address = in_what_ref;
*num00 = 0;
*best_mv = *ref_mv;
// Check the starting position
best_sad = fn_ptr->sdf(what->buf, what->stride,
best_address, in_what->stride) +
mvsad_err_cost(x, best_mv, &fcenter_mv, sad_per_bit);
i = 1;
for (step = 0; step < tot_steps; step++) {
for (j = 0; j < cfg->searches_per_step; j++) {
const MV mv = {best_mv->row + ss[i].mv.row,
best_mv->col + ss[i].mv.col};
if (is_mv_in(x, &mv)) {
int sad = fn_ptr->sdf(what->buf, what->stride,
best_address + ss[i].offset, in_what->stride);
if (sad < best_sad) {
sad += mvsad_err_cost(x, &mv, &fcenter_mv, sad_per_bit);
if (sad < best_sad) {
best_sad = sad;
best_site = i;
}
}
}
i++;
}
if (best_site != last_site) {
best_mv->row += ss[best_site].mv.row;
best_mv->col += ss[best_site].mv.col;
best_address += ss[best_site].offset;
last_site = best_site;
#if defined(NEW_DIAMOND_SEARCH)
while (1) {
const MV this_mv = {best_mv->row + ss[best_site].mv.row,
best_mv->col + ss[best_site].mv.col};
if (is_mv_in(x, &this_mv)) {
int sad = fn_ptr->sdf(what->buf, what->stride,
best_address + ss[best_site].offset,
in_what->stride);
if (sad < best_sad) {
sad += mvsad_err_cost(x, &this_mv, &fcenter_mv, sad_per_bit);
if (sad < best_sad) {
best_sad = sad;
best_mv->row += ss[best_site].mv.row;
best_mv->col += ss[best_site].mv.col;
best_address += ss[best_site].offset;
continue;
}
}
}
break;
};
#endif
} else if (best_address == in_what_ref) {
(*num00)++;
}
}
return best_sad;
}
int vp9_diamond_search_sadx4(const MACROBLOCK *x,
const search_site_config *cfg,
MV *ref_mv, MV *best_mv, int search_param,
int sad_per_bit, int *num00,
......@@ -1059,8 +971,7 @@ int vp9_diamond_search_sadx4(const MACROBLOCK *x,
unsigned int thissad = fn_ptr->sdf(what, what_stride, check_here,
in_what_stride);
if (thissad < bestsad) {
thissad += mvsad_err_cost(&this_mv, &fcenter_mv,
mvjsadcost, mvsadcost, sad_per_bit);
thissad += mvsad_err_cost(x, &this_mv, &fcenter_mv, sad_per_bit);
if (thissad < bestsad) {
bestsad = thissad;
best_mv->row += ss[best_site].mv.row;
......
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