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Merge "Add early termination in transform size search"

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Yunqing Wang 2014-08-18 19:00:24 -07:00 committed by Gerrit Code Review
commit 4d98b50be5
3 changed files with 20 additions and 5 deletions
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13
vp9/encoder/vp9_rdopt.c
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@ -490,18 +490,18 @@ static void choose_tx_size_from_rd(VP9_COMP *cpi, MACROBLOCK *x,
{INT64_MAX, INT64_MAX},
{INT64_MAX, INT64_MAX},
{INT64_MAX, INT64_MAX}};
TX_SIZE n, m;
int n, m;
int s0, s1;
const TX_SIZE max_mode_tx_size = tx_mode_to_biggest_tx_size[cm->tx_mode];
int64_t best_rd = INT64_MAX;
TX_SIZE best_tx = TX_4X4;
TX_SIZE best_tx = max_tx_size;
const vp9_prob *tx_probs = get_tx_probs2(max_tx_size, xd, &cm->fc.tx_probs);
assert(skip_prob > 0);
s0 = vp9_cost_bit(skip_prob, 0);
s1 = vp9_cost_bit(skip_prob, 1);
for (n = TX_4X4; n <= max_tx_size; n++) {
for (n = max_tx_size; n >= 0; n--) {
txfm_rd_in_plane(x, &r[n][0], &d[n], &s[n],
&sse[n], ref_best_rd, 0, bs, n,
cpi->sf.use_fast_coef_costing);
@ -523,6 +523,13 @@ static void choose_tx_size_from_rd(VP9_COMP *cpi, MACROBLOCK *x,
rd[n][1] = RDCOST(x->rdmult, x->rddiv, r[n][1] + s0, d[n]);
}
// Early termination in transform size search.
if (cpi->sf.tx_size_search_breakout &&
(rd[n][1] == INT64_MAX ||
(n < max_tx_size && rd[n][1] > rd[n + 1][1]) ||
s[n] == 1))
break;
if (rd[n][1] < best_rd) {
best_tx = n;
best_rd = rd[n][1];

8
vp9/encoder/vp9_speed_features.c
View File

@ -59,8 +59,6 @@ static void set_good_speed_feature(VP9_COMP *cpi, VP9_COMMON *cm,
if (speed >= 1) {
sf->use_square_partition_only = !frame_is_intra_only(cm);
sf->less_rectangular_check = 1;
sf->tx_size_search_method = frame_is_boosted(cpi) ? USE_FULL_RD
: USE_LARGESTALL;
if (MIN(cm->width, cm->height) >= 720)
sf->disable_split_mask = cm->show_frame ? DISABLE_ALL_SPLIT
@ -80,9 +78,14 @@ static void set_good_speed_feature(VP9_COMP *cpi, VP9_COMMON *cm,
sf->intra_uv_mode_mask[TX_32X32] = INTRA_DC_H_V;
sf->intra_y_mode_mask[TX_16X16] = INTRA_DC_H_V;
sf->intra_uv_mode_mask[TX_16X16] = INTRA_DC_H_V;
sf->tx_size_search_breakout = 1;
}
if (speed >= 2) {
sf->tx_size_search_method = frame_is_boosted(cpi) ? USE_FULL_RD
: USE_LARGESTALL;
if (MIN(cm->width, cm->height) >= 720) {
sf->lf_motion_threshold = LOW_MOTION_THRESHOLD;
sf->last_partitioning_redo_frequency = 3;
@ -391,6 +394,7 @@ void vp9_set_speed_features(VP9_COMP *cpi) {
// Recode loop tolerence %.
sf->recode_tolerance = 25;
sf->default_interp_filter = SWITCHABLE;
sf->tx_size_search_breakout = 0;
if (oxcf->mode == REALTIME) {
set_rt_speed_feature(cpi, sf, oxcf->speed, oxcf->content);

4
vp9/encoder/vp9_speed_features.h
View File

@ -376,6 +376,10 @@ typedef struct SPEED_FEATURES {
// default interp filter choice
INTERP_FILTER default_interp_filter;
// Early termination in transform size search, which only applies while
// tx_size_search_method is USE_FULL_RD.
int tx_size_search_breakout;
} SPEED_FEATURES;
struct VP9_COMP;