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Merge "Rd thresholds change with block size." into experimental

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This commit is contained in:
Paul Wilkins
2013-06-06 09:27:44 -07:00
committed by Gerrit Code Review
parent 02590a5b1b c3316c2bc5
commit 26e24b1dd7
3 changed files with 78 additions and 28 deletions
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8
vp9/encoder/vp9_onyx_if.c
View File

@@ -736,18 +736,18 @@ void vp9_set_speed_features(VP9_COMP *cpi) {
sf->quarter_pixel_search = 1;
sf->half_pixel_search = 1;
sf->iterative_sub_pixel = 1;
sf->no_skip_block4x4_search = 1;
sf->optimize_coefficients = !cpi->oxcf.lossless;
sf->first_step = 0;
sf->max_step_search_steps = MAX_MVSEARCH_STEPS;
sf->comp_inter_joint_search_thresh = BLOCK_SIZE_AB4X4;
sf->adpative_rd_thresh = 0;
#if CONFIG_MULTIPLE_ARF
// Switch segmentation off.
sf->static_segmentation = 0;
#else
sf->static_segmentation = 0;
#endif
sf->mb16_breakout = 0;
switch (mode) {
case 0: // best quality mode
@@ -761,13 +761,11 @@ void vp9_set_speed_features(VP9_COMP *cpi) {
#else
sf->static_segmentation = 0;
#endif
sf->mb16_breakout = 0;
sf->comp_inter_joint_search_thresh = BLOCK_SIZE_SB8X8;
sf->adpative_rd_thresh = 1;
if (speed > 0) {
sf->comp_inter_joint_search_thresh = BLOCK_SIZE_TYPES;
sf->optimize_coefficients = 0;
sf->no_skip_block4x4_search = 0;
sf->first_step = 1;
}
break;

9
vp9/encoder/vp9_onyx_int.h
View File

@@ -213,11 +213,10 @@ typedef struct {
int max_step_search_steps;
int first_step;
int optimize_coefficients;
int no_skip_block4x4_search;
int search_best_filter;
int mb16_breakout;
int static_segmentation;
int comp_inter_joint_search_thresh;
int adpative_rd_thresh;
} SPEED_FEATURES;
enum BlockSize {
@@ -320,8 +319,10 @@ typedef struct VP9_COMP {
unsigned int mode_chosen_counts[MAX_MODES];
int rd_thresh_mult[MAX_MODES];
int rd_baseline_thresh[MAX_MODES];
int rd_threshes[MAX_MODES];
int rd_baseline_thresh[BLOCK_SIZE_TYPES][MAX_MODES];
int rd_threshes[BLOCK_SIZE_TYPES][MAX_MODES];
int rd_thresh_freq_fact[BLOCK_SIZE_TYPES][MAX_MODES];
int64_t rd_comp_pred_diff[NB_PREDICTION_TYPES];
int rd_prediction_type_threshes[4][NB_PREDICTION_TYPES];
int comp_pred_count[COMP_PRED_CONTEXTS];

89
vp9/encoder/vp9_rdopt.c
View File

@@ -111,6 +111,17 @@ const MODE_DEFINITION vp9_mode_order[MAX_MODES] = {
{SPLITMV, GOLDEN_FRAME, ALTREF_FRAME},
};
// The baseline rd thresholds for breaking out of the rd loop for
// certain modes are assumed to be based on 8x8 blocks.
// This table is used to correct for blocks size.
// The factors here are << 2 (2 = x0.5, 32 = x8 etc).
static int rd_thresh_block_size_factor[BLOCK_SIZE_TYPES] =
{2, 3, 3, 4, 6, 6, 8, 12, 12, 16, 24, 24, 32};
#define BASE_RD_THRESH_FREQ_FACT 16
#define MAX_RD_THRESH_FREQ_FACT 32
#define MAX_RD_THRESH_FREQ_INC 1
static void fill_token_costs(vp9_coeff_count (*c)[BLOCK_TYPES],
vp9_coeff_count (*cnoskip)[BLOCK_TYPES],
vp9_coeff_probs_model (*p)[BLOCK_TYPES]) {
@@ -175,7 +186,7 @@ void vp9_initialize_me_consts(VP9_COMP *cpi, int qindex) {
void vp9_initialize_rd_consts(VP9_COMP *cpi, int qindex) {
int q, i;
int q, i, bsize;
vp9_clear_system_state(); // __asm emms;
@@ -207,24 +218,43 @@ void vp9_initialize_rd_consts(VP9_COMP *cpi, int qindex) {
cpi->RDDIV = 1;
cpi->RDMULT /= 100;
for (i = 0; i < MAX_MODES; i++) {
if (cpi->sf.thresh_mult[i] < INT_MAX) {
cpi->rd_threshes[i] = cpi->sf.thresh_mult[i] * q / 100;
} else {
cpi->rd_threshes[i] = INT_MAX;
for (bsize = 0; bsize < BLOCK_SIZE_TYPES; ++bsize) {
for (i = 0; i < MAX_MODES; ++i) {
// Threshold here seem unecessarily harsh but fine given actual
// range of values used for cpi->sf.thresh_mult[]
int thresh_max = INT_MAX / (q * rd_thresh_block_size_factor[bsize]);
// *4 relates to the scaling of rd_thresh_block_size_factor[]
if ((int64_t)cpi->sf.thresh_mult[i] < thresh_max) {
cpi->rd_threshes[bsize][i] =
cpi->sf.thresh_mult[i] * q *
rd_thresh_block_size_factor[bsize] / (4 * 100);
} else {
cpi->rd_threshes[bsize][i] = INT_MAX;
}
cpi->rd_baseline_thresh[bsize][i] = cpi->rd_threshes[bsize][i];
cpi->rd_thresh_freq_fact[bsize][i] = BASE_RD_THRESH_FREQ_FACT;
}
cpi->rd_baseline_thresh[i] = cpi->rd_threshes[i];
}
} else {
cpi->RDDIV = 100;
for (i = 0; i < MAX_MODES; i++) {
if (cpi->sf.thresh_mult[i] < (INT_MAX / q)) {
cpi->rd_threshes[i] = cpi->sf.thresh_mult[i] * q;
} else {
cpi->rd_threshes[i] = INT_MAX;
for (bsize = 0; bsize < BLOCK_SIZE_TYPES; ++bsize) {
for (i = 0; i < MAX_MODES; i++) {
// Threshold here seem unecessarily harsh but fine given actual
// range of values used for cpi->sf.thresh_mult[]
int thresh_max = INT_MAX / (q * rd_thresh_block_size_factor[bsize]);
if (cpi->sf.thresh_mult[i] < thresh_max) {
cpi->rd_threshes[bsize][i] =
cpi->sf.thresh_mult[i] * q *
rd_thresh_block_size_factor[bsize] / 4;
} else {
cpi->rd_threshes[bsize][i] = INT_MAX;
}
cpi->rd_baseline_thresh[bsize][i] = cpi->rd_threshes[bsize][i];
cpi->rd_thresh_freq_fact[bsize][i] = BASE_RD_THRESH_FREQ_FACT;
}
cpi->rd_baseline_thresh[i] = cpi->rd_threshes[i];
}
}
@@ -2619,9 +2649,9 @@ int64_t vp9_rd_pick_inter_mode_sb(VP9_COMP *cpi, MACROBLOCK *x,
txfm_cache[i] = INT64_MAX;
// Test best rd so far against threshold for trying this mode.
if (bsize >= BLOCK_SIZE_SB8X8 &&
(best_rd < cpi->rd_threshes[mode_index] ||
cpi->rd_threshes[mode_index] == INT_MAX))
if ((best_rd < ((cpi->rd_threshes[bsize][mode_index] *
cpi->rd_thresh_freq_fact[bsize][mode_index]) >> 4)) ||
cpi->rd_threshes[bsize][mode_index] == INT_MAX)
continue;
x->skip = 0;
@@ -2812,9 +2842,10 @@ int64_t vp9_rd_pick_inter_mode_sb(VP9_COMP *cpi, MACROBLOCK *x,
int uv_skippable;
this_rd_thresh = (mbmi->ref_frame == LAST_FRAME) ?
cpi->rd_threshes[THR_NEWMV] : cpi->rd_threshes[THR_NEWA];
cpi->rd_threshes[bsize][THR_NEWMV] :
cpi->rd_threshes[bsize][THR_NEWA];
this_rd_thresh = (mbmi->ref_frame == GOLDEN_FRAME) ?
cpi->rd_threshes[THR_NEWG] : this_rd_thresh;
cpi->rd_threshes[bsize][THR_NEWG] : this_rd_thresh;
xd->mode_info_context->mbmi.txfm_size = TX_4X4;
for (switchable_filter_index = 0;
@@ -3155,7 +3186,27 @@ int64_t vp9_rd_pick_inter_mode_sb(VP9_COMP *cpi, MACROBLOCK *x,
if (is_inter_mode(best_mode))
++cpi->best_switchable_interp_count[vp9_switchable_interp_map[best_filter]];
// TODO(rbultje) integrate with RD thresholding
// Updating rd_thresh_freq_fact[] here means that the differnt
// partition/block sizes are handled independently based on the best
// choice for the current partition. It may well be better to keep a scaled
// best rd so far value and update rd_thresh_freq_fact based on the mode/size
// combination that wins out.
if (cpi->sf.adpative_rd_thresh) {
for (mode_index = 0; mode_index < MAX_MODES; ++mode_index) {
if (mode_index == best_mode_index) {
cpi->rd_thresh_freq_fact[bsize][mode_index] = BASE_RD_THRESH_FREQ_FACT;
} else {
cpi->rd_thresh_freq_fact[bsize][mode_index] += MAX_RD_THRESH_FREQ_INC;
if (cpi->rd_thresh_freq_fact[bsize][mode_index] >
(cpi->sf.adpative_rd_thresh * MAX_RD_THRESH_FREQ_FACT)) {
cpi->rd_thresh_freq_fact[bsize][mode_index] =
cpi->sf.adpative_rd_thresh * MAX_RD_THRESH_FREQ_FACT;
}
}
}
}
// TODO(rbultje) integrate with RD trd_thresh_freq_facthresholding
#if 0
// Reduce the activation RD thresholds for the best choice mode
if ((cpi->rd_baseline_thresh[best_mode_index] > 0) &&