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Merge "Motion compensated reference refinement"

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Jingning Han 2015-02-25 12:33:09 -08:00 committed by Gerrit Code Review
commit 3e1d14a6ce
1 changed files with 28 additions and 2 deletions
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30
vp9/encoder/vp9_encodeframe.c
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@ -587,7 +587,12 @@ static int vector_match(int16_t *ref, int16_t *src) {
return (center - 32);
}
static void motion_estimation(MACROBLOCK *x) {
static const MV search_pos[9] = {
{-1, -1}, {-1, 0}, {-1, 1}, {0, -1}, {0, 0}, {0, 1},
{1, -1}, {1, 0}, {1, 1},
};
static void motion_estimation(VP9_COMP *cpi, MACROBLOCK *x) {
MACROBLOCKD *xd = &x->e_mbd;
DECLARE_ALIGNED(16, int16_t, hbuf[128]);
DECLARE_ALIGNED(16, int16_t, vbuf[128]);
@ -601,6 +606,8 @@ static void motion_estimation(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;
MV this_mv;
// Set up prediction 1-D reference set
ref_buf = xd->plane[0].pre[0].buf + (-32);
@ -632,6 +639,24 @@ static void motion_estimation(MACROBLOCK *x) {
tmp_mv->col = vector_match(hbuf, src_hbuf);
tmp_mv->row = vector_match(vbuf, src_vbuf);
best_sad = INT_MAX;
this_mv = *tmp_mv;
for (idx = 0; idx < 9; ++idx) {
int this_sad;
src_buf = x->plane[0].src.buf;
ref_buf = xd->plane[0].pre[0].buf +
(search_pos[idx].row + this_mv.row) * ref_stride +
(search_pos[idx].col + this_mv.col);
this_sad = cpi->fn_ptr[BLOCK_64X64].sdf(src_buf, src_stride,
ref_buf, ref_stride);
if (this_sad < best_sad) {
best_sad = this_sad;
tmp_mv->row = search_pos[idx].row + this_mv.row;
tmp_mv->col = search_pos[idx].col + this_mv.col;
}
}
tmp_mv->row *= 8;
tmp_mv->col *= 8;
@ -689,9 +714,10 @@ static void choose_partitioning(VP9_COMP *cpi,
mbmi->ref_frame[1] = NONE;
mbmi->sb_type = BLOCK_64X64;
mbmi->mv[0].as_int = 0;
mbmi->interp_filter = BILINEAR;
#if GLOBAL_MOTION
motion_estimation(x);
motion_estimation(cpi, x);
#endif
vp9_build_inter_predictors_sb(xd, mi_row, mi_col, BLOCK_64X64);