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[inter] Limit merge search of some blocks with sub 1/4 pixel mv's

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This commit is contained in:
Marko Viitanen 2021-11-19 17:28:13 +02:00
parent fa9a1db498
commit 4d20461410
1 changed files with 9 additions and 0 deletions
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9
src/search_inter.c
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@ -1682,6 +1682,10 @@ static void search_pu_inter(encoder_state_t * const state,
// Check motion vector constraints and perform rough search
for (int merge_idx = 0; merge_idx < info.num_merge_cand; ++merge_idx) {
inter_merge_cand_t *cur_cand = &info.merge_cand[merge_idx];
if ((cur_cand->dir & 1 && (cur_cand->mv[0][0] & 3 || cur_cand->mv[0][1] & 3)) ||
(cur_cand->dir & 2 && (cur_cand->mv[1][0] & 3 || cur_cand->mv[1][1] & 3))) continue;
cur_cu->inter.mv_dir = cur_cand->dir;
cur_cu->inter.mv_ref[0] = cur_cand->ref[0];
cur_cu->inter.mv_ref[1] = cur_cand->ref[1];
@ -1736,6 +1740,10 @@ static void search_pu_inter(encoder_state_t * const state,
// and chroma exists.
// Early terminate if merge candidate with zero CBF is found.
int merge_idx = mrg_cands[merge_rdo_idx];
inter_merge_cand_t *cur_cand = &info.merge_cand[merge_idx];
if ((cur_cand->dir & 1 && (cur_cand->mv[0][0] & 3 || cur_cand->mv[0][1] & 3)) ||
(cur_cand->dir & 2 && (cur_cand->mv[1][0] & 3 || cur_cand->mv[1][1] & 3))) continue;
cur_cu->inter.mv_dir = info.merge_cand[merge_idx].dir;
cur_cu->inter.mv_ref[0] = info.merge_cand[merge_idx].ref[0];
cur_cu->inter.mv_ref[1] = info.merge_cand[merge_idx].ref[1];
@ -1743,6 +1751,7 @@ static void search_pu_inter(encoder_state_t * const state,
cur_cu->inter.mv[0][1] = info.merge_cand[merge_idx].mv[0][1];
cur_cu->inter.mv[1][0] = info.merge_cand[merge_idx].mv[1][0];
cur_cu->inter.mv[1][1] = info.merge_cand[merge_idx].mv[1][1];
kvz_lcu_fill_trdepth(lcu, x, y, depth, MAX(1, depth));
kvz_inter_recon_cu(state, lcu, x, y, width, true, false);
kvz_quantize_lcu_residual(state, true, false, x, y, depth, cur_cu, lcu, true);