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Merge "Changes to partition breakout rules."

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This commit is contained in:
Yaowu Xu 2015-10-13 22:31:56 +00:00 committed by Gerrit Code Review
commit c2b8b5bfe2
3 changed files with 47 additions and 25 deletions
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60
vp9/encoder/vp9_encodeframe.c
View File

@ -2379,11 +2379,20 @@ static void rd_pick_partition(VP9_COMP *cpi, ThreadData *td,
bsize >= BLOCK_8X8;
int partition_vert_allowed = !force_horz_split && xss <= yss &&
bsize >= BLOCK_8X8;
(void) *tp_orig;
int64_t dist_breakout_thr = cpi->sf.partition_search_breakout_dist_thr;
int rate_breakout_thr = cpi->sf.partition_search_breakout_rate_thr;
(void)*tp_orig;
assert(num_8x8_blocks_wide_lookup[bsize] ==
num_8x8_blocks_high_lookup[bsize]);
// Adjust dist breakout threshold according to the partition size.
dist_breakout_thr >>= 8 - (b_width_log2_lookup[bsize] +
b_height_log2_lookup[bsize]);
rate_breakout_thr *= num_pels_log2_lookup[bsize];
vp9_rd_cost_init(&this_rdc);
vp9_rd_cost_init(&sum_rdc);
vp9_rd_cost_reset(&best_rdc);
@ -2412,9 +2421,13 @@ static void rd_pick_partition(VP9_COMP *cpi, ThreadData *td,
force_vert_split);
do_split &= bsize > min_size;
}
if (cpi->sf.use_square_partition_only) {
partition_horz_allowed &= force_horz_split;
partition_vert_allowed &= force_vert_split;
if (cpi->sf.use_square_partition_only &&
(bsize > cpi->sf.use_square_only_threshold)) {
if (!vp9_active_h_edge(cpi, mi_row, mi_step) || x->e_mbd.lossless)
partition_horz_allowed &= force_horz_split;
if (!vp9_active_v_edge(cpi, mi_row, mi_step) || x->e_mbd.lossless)
partition_vert_allowed &= force_vert_split;
}
save_context(x, mi_row, mi_col, a, l, sa, sl, bsize);
@ -2491,27 +2504,17 @@ static void rd_pick_partition(VP9_COMP *cpi, ThreadData *td,
}
if (this_rdc.rdcost < best_rdc.rdcost) {
int64_t dist_breakout_thr = cpi->sf.partition_search_breakout_dist_thr;
int rate_breakout_thr = cpi->sf.partition_search_breakout_rate_thr;
best_rdc = this_rdc;
if (bsize >= BLOCK_8X8)
pc_tree->partitioning = PARTITION_NONE;
// Adjust dist breakout threshold according to the partition size.
dist_breakout_thr >>= 8 - (b_width_log2_lookup[bsize] +
b_height_log2_lookup[bsize]);
rate_breakout_thr *= num_pels_log2_lookup[bsize];
// If all y, u, v transform blocks in this partition are skippable, and
// the dist & rate are within the thresholds, the partition search is
// terminated for current branch of the partition search tree.
// The dist & rate thresholds are set to 0 at speed 0 to disable the
// early termination at that speed.
if (!x->e_mbd.lossless &&
(ctx->skippable && best_rdc.dist < dist_breakout_thr &&
best_rdc.rate < rate_breakout_thr)) {
if (!x->e_mbd.lossless && ctx->skippable &&
((best_rdc.dist < (dist_breakout_thr >> 2)) ||
(best_rdc.dist < dist_breakout_thr &&
best_rdc.rate < rate_breakout_thr))) {
do_split = 0;
do_rect = 0;
}
@ -2621,11 +2624,21 @@ static void rd_pick_partition(VP9_COMP *cpi, ThreadData *td,
if (sum_rdc.rdcost < best_rdc.rdcost) {
best_rdc = sum_rdc;
pc_tree->partitioning = PARTITION_SPLIT;
// Rate and distortion based partition search termination clause.
if (!x->e_mbd.lossless &&
((best_rdc.dist < (dist_breakout_thr >> 2)) ||
(best_rdc.dist < dist_breakout_thr &&
best_rdc.rate < rate_breakout_thr))) {
do_rect = 0;
}
}
} else {
// skip rectangular partition test when larger block size
// gives better rd cost
if (cpi->sf.less_rectangular_check)
if ((cpi->sf.less_rectangular_check) &&
((bsize > cpi->sf.use_square_only_threshold) ||
(best_rdc.dist < dist_breakout_thr)))
do_rect &= !partition_none_allowed;
}
restore_context(x, mi_row, mi_col, a, l, sa, sl, bsize);
@ -2634,7 +2647,7 @@ static void rd_pick_partition(VP9_COMP *cpi, ThreadData *td,
// PARTITION_HORZ
if (partition_horz_allowed &&
(do_rect || vp9_active_h_edge(cpi, mi_row, mi_step))) {
subsize = get_subsize(bsize, PARTITION_HORZ);
subsize = get_subsize(bsize, PARTITION_HORZ);
if (cpi->sf.adaptive_motion_search)
load_pred_mv(x, ctx);
if (cpi->sf.adaptive_pred_interp_filter && bsize == BLOCK_8X8 &&
@ -2675,6 +2688,10 @@ static void rd_pick_partition(VP9_COMP *cpi, ThreadData *td,
if (sum_rdc.rdcost < best_rdc.rdcost) {
best_rdc = sum_rdc;
pc_tree->partitioning = PARTITION_HORZ;
if ((cpi->sf.less_rectangular_check) &&
(bsize > cpi->sf.use_square_only_threshold))
do_rect = 0;
}
}
restore_context(x, mi_row, mi_col, a, l, sa, sl, bsize);
@ -2682,7 +2699,7 @@ static void rd_pick_partition(VP9_COMP *cpi, ThreadData *td,
// PARTITION_VERT
if (partition_vert_allowed &&
(do_rect || vp9_active_v_edge(cpi, mi_col, mi_step))) {
subsize = get_subsize(bsize, PARTITION_VERT);
subsize = get_subsize(bsize, PARTITION_VERT);
if (cpi->sf.adaptive_motion_search)
load_pred_mv(x, ctx);
@ -2736,7 +2753,6 @@ static void rd_pick_partition(VP9_COMP *cpi, ThreadData *td,
(void) best_rd;
*rd_cost = best_rdc;
if (best_rdc.rate < INT_MAX && best_rdc.dist < INT64_MAX &&
pc_tree->index != 3) {
int output_enabled = (bsize == BLOCK_64X64);

11
vp9/encoder/vp9_speed_features.c
View File

@ -113,8 +113,14 @@ static void set_good_speed_feature(VP9_COMP *cpi, VP9_COMMON *cm,
SPEED_FEATURES *sf, int speed) {
const int boosted = frame_is_boosted(cpi);
sf->partition_search_breakout_dist_thr = (1 << 20);
sf->partition_search_breakout_rate_thr = 80;
sf->tx_size_search_breakout = 1;
sf->adaptive_rd_thresh = 1;
sf->allow_skip_recode = 1;
sf->less_rectangular_check = 1;
sf->use_square_partition_only = !frame_is_boosted(cpi);
sf->use_square_only_threshold = BLOCK_16X16;
if (speed >= 1) {
if ((cpi->twopass.fr_content_type == FC_GRAPHICS_ANIMATION) ||
@ -123,6 +129,7 @@ static void set_good_speed_feature(VP9_COMP *cpi, VP9_COMMON *cm,
} else {
sf->use_square_partition_only = !frame_is_intra_only(cm);
}
sf->use_square_only_threshold = BLOCK_4X4;
sf->less_rectangular_check = 1;
@ -139,9 +146,6 @@ 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;
sf->partition_search_breakout_rate_thr = 80;
}
if (speed >= 2) {
@ -471,6 +475,7 @@ void vp9_set_speed_features_framesize_independent(VP9_COMP *cpi) {
sf->partition_search_type = SEARCH_PARTITION;
sf->less_rectangular_check = 0;
sf->use_square_partition_only = 0;
sf->use_square_only_threshold = BLOCK_SIZES;
sf->auto_min_max_partition_size = NOT_IN_USE;
sf->rd_auto_partition_min_limit = BLOCK_4X4;
sf->default_max_partition_size = BLOCK_64X64;

1
vp9/encoder/vp9_speed_features.h
View File

@ -267,6 +267,7 @@ typedef struct SPEED_FEATURES {
// Disable testing non square partitions. (eg 16x32)
int use_square_partition_only;
BLOCK_SIZE use_square_only_threshold;
// Sets min and max partition sizes for this 64x64 region based on the
// same 64x64 in last encoded frame, and the left and above neighbor.