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Use sdx4df to do 1-step refinement

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Change-Id: Ie0c3ef3ae3aedf049b1a296de607730b79c12672
This commit is contained in:
Jingning Han 2015-03-13 09:53:15 -07:00
parent ba29125f7b
commit cce7020f2c
1 changed files with 17 additions and 10 deletions
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27
vp9/encoder/vp9_mcomp.c
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@ -1803,7 +1803,7 @@ unsigned int vp9_int_pro_motion_estimation(const VP9_COMP *cpi, MACROBLOCK *x,
const int ref_stride = xd->plane[0].pre[0].stride;
uint8_t const *ref_buf, *src_buf;
MV *tmp_mv = &xd->mi[0].src_mi->mbmi.mv[0].as_mv;
int best_sad, tmp_sad, this_sad[5];
unsigned int best_sad, tmp_sad, this_sad[4];
MV this_mv;
#if CONFIG_VP9_HIGHBITDEPTH
@ -1842,16 +1842,23 @@ unsigned int vp9_int_pro_motion_estimation(const VP9_COMP *cpi, MACROBLOCK *x,
tmp_mv->col = vector_match(hbuf, src_hbuf, b_width_log2_lookup[bsize]);
tmp_mv->row = vector_match(vbuf, src_vbuf, b_height_log2_lookup[bsize]);
best_sad = INT_MAX;
this_mv = *tmp_mv;
src_buf = x->plane[0].src.buf;
for (idx = 0; idx < 5; ++idx) {
ref_buf = xd->plane[0].pre[0].buf +
(search_pos[idx].row + this_mv.row) * ref_stride +
(search_pos[idx].col + this_mv.col);
ref_buf = xd->plane[0].pre[0].buf + this_mv.row * ref_stride + this_mv.col;
best_sad = cpi->fn_ptr[bsize].sdf(src_buf, src_stride, ref_buf, ref_stride);
this_sad[idx] = cpi->fn_ptr[bsize].sdf(src_buf, src_stride,
ref_buf, ref_stride);
{
const uint8_t * const pos[4] = {
ref_buf - ref_stride,
ref_buf - 1,
ref_buf + 1,
ref_buf + ref_stride,
};
cpi->fn_ptr[bsize].sdx4df(src_buf, src_stride, pos, ref_stride, this_sad);
}
for (idx = 0; idx < 4; ++idx) {
if (this_sad[idx] < best_sad) {
best_sad = this_sad[idx];
tmp_mv->row = search_pos[idx].row + this_mv.row;
@ -1859,12 +1866,12 @@ unsigned int vp9_int_pro_motion_estimation(const VP9_COMP *cpi, MACROBLOCK *x,
}
}
if (this_sad[0] < this_sad[4])
if (this_sad[0] < this_sad[3])
this_mv.row -= 1;
else
this_mv.row += 1;
if (this_sad[1] < this_sad[3])
if (this_sad[1] < this_sad[2])
this_mv.col -= 1;
else
this_mv.col += 1;