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[intra] Limit rough search

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This commit is contained in:
Joose Sainio 2022-05-13 13:11:01 +03:00
parent 4c66561ebe
commit 804bf3afcb
1 changed files with 8 additions and 7 deletions
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15
src/search_intra.c
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@ -959,6 +959,7 @@ static int16_t search_intra_rough(
const double planar_mode_flag = CTX_ENTROPY_FBITS(&(state->search_cabac.ctx.luma_planar_model[1]), 0);
const double not_planar_mode_flag = CTX_ENTROPY_FBITS(&(state->search_cabac.ctx.luma_planar_model[1]), 1);
const int mode_list_size = state->encoder_control->cfg.mip ? 6 : 3;
struct mode_cost best_six_modes[6];
// Initial offset decides how many modes are tried before moving on to the
// recursive search.
@ -1053,9 +1054,9 @@ static int16_t search_intra_rough(
min_cost = MIN(min_cost, costs[mode_i]);
max_cost = MAX(max_cost, costs[mode_i]);
++modes_selected;
for (int j = 0; j < 6; j++) {
for (int j = 0; j < mode_list_size; j++) {
if (costs[mode_i] < best_six_modes[j].cost) {
for(int k = 5; k > j; k--) {
for(int k = mode_list_size - 1; k > j; k--) {
best_six_modes[k] = best_six_modes[k - 1];
}
best_six_modes[j].cost = costs[mode_i];
@ -1077,7 +1078,7 @@ static int16_t search_intra_rough(
memcpy(temp_best_six_modes, best_six_modes, sizeof(temp_best_six_modes));
int8_t modes_to_check[12];
int num_modes_to_check = 0;
for(int i = 0; i < 6; i++) {
for(int i = 0; i < mode_list_size; i++) {
int8_t center_node = best_six_modes[i].mode;
if(offset != 0 && (center_node < 3 || center_node > 65)) continue;
int8_t test_modes[] = { center_node - offset, center_node + offset };
@ -1120,9 +1121,9 @@ static int16_t search_intra_rough(
int8_t mode = modes_to_check[i + block];
if (mode == 1) continue;
costs[mode] = costs_out[block];
for (int j = 0; j < 6; j++) {
for (int j = 0; j < mode_list_size; j++) {
if (costs[mode] < best_six_modes[j].cost) {
for (int k = 5; k > j; k--) {
for (int k = mode_list_size - 1; k > j; k--) {
best_six_modes[k] = best_six_modes[k - 1];
}
best_six_modes[j].cost = costs[mode];
@ -1138,7 +1139,7 @@ static int16_t search_intra_rough(
// Add prediction mode coding cost as the last thing. We don't want this
// affecting the halving search.
for(int i=0; i < 6; i++) {
for(int i=0; i < mode_list_size; i++) {
const int8_t mode = best_six_modes[i].mode;
modes_out[i].cost = costs[mode];
modes_out[i].pred_cu = *pred_cu;
@ -1148,7 +1149,7 @@ static int16_t search_intra_rough(
}
#undef PARALLEL_BLKS
return 6;
return mode_list_size;
}