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vpx/vp9/encoder/vp9_speed_features.c

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/*
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include <limits.h>
#include "vp9/encoder/vp9_onyx_int.h"
#include "vp9/encoder/vp9_speed_features.h"
#define ALL_INTRA_MODES 0x3FF
#define INTRA_DC_ONLY 0x01
#define INTRA_DC_TM ((1 << TM_PRED) | (1 << DC_PRED))
#define INTRA_DC_H_V ((1 << DC_PRED) | (1 << V_PRED) | (1 << H_PRED))
#define INTRA_DC_TM_H_V (INTRA_DC_TM | (1 << V_PRED) | (1 << H_PRED))
// Masks for partially or completely disabling split mode
#define DISABLE_ALL_SPLIT 0x3F
#define DISABLE_ALL_INTER_SPLIT 0x1F
#define DISABLE_COMPOUND_SPLIT 0x18
#define LAST_AND_INTRA_SPLIT_ONLY 0x1E
static void set_good_speed_feature(VP9_COMP *cpi,
VP9_COMMON *cm,
SPEED_FEATURES *sf,
int speed) {
int i;
sf->adaptive_rd_thresh = 1;
sf->recode_loop = ((speed < 1) ? ALLOW_RECODE : ALLOW_RECODE_KFMAXBW);
sf->allow_skip_recode = 1;
if (speed >= 1) {
sf->use_square_partition_only = !frame_is_intra_only(cm);
sf->less_rectangular_check = 1;
sf->tx_size_search_method = vp9_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 : DISABLE_ALL_INTER_SPLIT;
else
sf->disable_split_mask = DISABLE_COMPOUND_SPLIT;
sf->use_rd_breakout = 1;
sf->adaptive_motion_search = 1;
sf->auto_mv_step_size = 1;
sf->adaptive_rd_thresh = 2;
sf->subpel_iters_per_step = 1;
sf->mode_skip_start = 10;
sf->adaptive_pred_interp_filter = 1;
sf->recode_loop = ALLOW_RECODE_KFARFGF;
sf->intra_y_mode_mask[TX_32X32] = INTRA_DC_H_V;
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;
}
// Additions or changes from speed 1 for speed >= 2.
if (speed >= 2) {
sf->tx_size_search_method = vp9_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 : DISABLE_ALL_INTER_SPLIT;
else
sf->disable_split_mask = LAST_AND_INTRA_SPLIT_ONLY;
sf->adaptive_pred_interp_filter = 2;
sf->reference_masking = 1;
sf->mode_search_skip_flags = FLAG_SKIP_INTRA_DIRMISMATCH |
FLAG_SKIP_INTRA_BESTINTER |
FLAG_SKIP_COMP_BESTINTRA |
FLAG_SKIP_INTRA_LOWVAR;
sf->disable_filter_search_var_thresh = 100;
sf->comp_inter_joint_search_thresh = BLOCK_SIZES;
sf->auto_min_max_partition_size = RELAXED_NEIGHBORING_MIN_MAX;
sf->use_lastframe_partitioning = LAST_FRAME_PARTITION_LOW_MOTION;
sf->adjust_partitioning_from_last_frame = 1;
sf->last_partitioning_redo_frequency = 3;
}
// Additions or changes for speed 3 and above
if (speed >= 3) {
if (MIN(cm->width, cm->height) >= 720)
sf->disable_split_mask = DISABLE_ALL_SPLIT;
else
sf->disable_split_mask = DISABLE_ALL_INTER_SPLIT;
sf->recode_loop = ALLOW_RECODE_KFMAXBW;
sf->adaptive_rd_thresh = 3;
sf->mode_skip_start = 6;
sf->use_fast_coef_updates = 2;
sf->use_fast_coef_costing = 1;
}
// Additions or changes for speed 3 and above
if (speed >= 4) {
sf->use_square_partition_only = 1;
sf->tx_size_search_method = USE_LARGESTALL;
sf->disable_split_mask = DISABLE_ALL_SPLIT;
sf->adaptive_rd_thresh = 4;
// Add a couple more skip flags
sf->mode_search_skip_flags |= FLAG_SKIP_COMP_REFMISMATCH |
FLAG_EARLY_TERMINATE;
sf->disable_filter_search_var_thresh = 200;
sf->use_lastframe_partitioning = LAST_FRAME_PARTITION_ALL;
sf->use_lp32x32fdct = 1;
}
if (speed >= 5) {
sf->partition_search_type = FIXED_PARTITION;
sf->optimize_coefficients = 0;
sf->search_method = HEX;
sf->disable_filter_search_var_thresh = 500;
for (i = 0; i < TX_SIZES; i++) {
sf->intra_y_mode_mask[i] = INTRA_DC_ONLY;
sf->intra_uv_mode_mask[i] = INTRA_DC_ONLY;
}
cpi->allow_encode_breakout = ENCODE_BREAKOUT_ENABLED;
}
}
static void set_rt_speed_feature(VP9_COMMON *cm,
SPEED_FEATURES *sf,
int speed) {
sf->static_segmentation = 0;
sf->adaptive_rd_thresh = 1;
sf->encode_breakout_thresh = 1;
sf->use_fast_coef_costing = 1;
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_intra_only(cm) ? USE_FULL_RD : USE_LARGESTALL;
if (MIN(cm->width, cm->height) >= 720)
sf->disable_split_mask = cm->show_frame ?
DISABLE_ALL_SPLIT : DISABLE_ALL_INTER_SPLIT;
else
sf->disable_split_mask = DISABLE_COMPOUND_SPLIT;
sf->use_rd_breakout = 1;
sf->adaptive_motion_search = 1;
sf->adaptive_pred_interp_filter = 1;
sf->auto_mv_step_size = 1;
sf->adaptive_rd_thresh = 2;
sf->intra_y_mode_mask[TX_32X32] = INTRA_DC_H_V;
sf->intra_uv_mode_mask[TX_32X32] = INTRA_DC_H_V;
sf->intra_uv_mode_mask[TX_16X16] = INTRA_DC_H_V;
sf->encode_breakout_thresh = 8;
}
if (speed >= 2) {
sf->use_square_partition_only = !frame_is_intra_only(cm);
sf->less_rectangular_check = 1;
sf->tx_size_search_method =
frame_is_intra_only(cm) ? USE_FULL_RD : USE_LARGESTALL;
if (MIN(cm->width, cm->height) >= 720)
sf->disable_split_mask = cm->show_frame ?
DISABLE_ALL_SPLIT : DISABLE_ALL_INTER_SPLIT;
else
sf->disable_split_mask = LAST_AND_INTRA_SPLIT_ONLY;
sf->mode_search_skip_flags = FLAG_SKIP_INTRA_DIRMISMATCH
| FLAG_SKIP_INTRA_BESTINTER | FLAG_SKIP_COMP_BESTINTRA
| FLAG_SKIP_INTRA_LOWVAR;
sf->use_rd_breakout = 1;
sf->adaptive_motion_search = 1;
sf->adaptive_pred_interp_filter = 2;
sf->auto_mv_step_size = 1;
sf->reference_masking = 1;
sf->disable_filter_search_var_thresh = 50;
sf->comp_inter_joint_search_thresh = BLOCK_SIZES;
sf->auto_min_max_partition_size = RELAXED_NEIGHBORING_MIN_MAX;
sf->use_lastframe_partitioning = LAST_FRAME_PARTITION_LOW_MOTION;
sf->adjust_partitioning_from_last_frame = 1;
sf->last_partitioning_redo_frequency = 3;
sf->adaptive_rd_thresh = 2;
sf->use_lp32x32fdct = 1;
sf->mode_skip_start = 11;
sf->intra_y_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_32X32] = INTRA_DC_H_V;
sf->intra_uv_mode_mask[TX_16X16] = INTRA_DC_H_V;
sf->encode_breakout_thresh = 200;
}
if (speed >= 3) {
sf->use_square_partition_only = 1;
sf->disable_filter_search_var_thresh = 100;
sf->use_lastframe_partitioning = LAST_FRAME_PARTITION_ALL;
sf->use_uv_intra_rd_estimate = 1;
sf->skip_encode_sb = 1;
sf->subpel_iters_per_step = 1;
sf->use_fast_coef_updates = 2;
sf->adaptive_rd_thresh = 4;
sf->mode_skip_start = 6;
sf->allow_skip_recode = 0;
sf->optimize_coefficients = 0;
sf->disable_split_mask = DISABLE_ALL_SPLIT;
sf->lpf_pick = LPF_PICK_FROM_Q;
sf->encode_breakout_thresh = 700;
}
if (speed >= 4) {
int i;
sf->last_partitioning_redo_frequency = 4;
sf->adaptive_rd_thresh = 5;
sf->use_fast_coef_costing = 0;
sf->auto_min_max_partition_size = STRICT_NEIGHBORING_MIN_MAX;
sf->adjust_partitioning_from_last_frame =
cm->last_frame_type != cm->frame_type || (0 ==
(cm->current_video_frame + 1) % sf->last_partitioning_redo_frequency);
sf->subpel_force_stop = 1;
for (i = 0; i < TX_SIZES; i++) {
sf->intra_y_mode_mask[i] = INTRA_DC_H_V;
sf->intra_uv_mode_mask[i] = INTRA_DC_ONLY;
}
sf->intra_y_mode_mask[TX_32X32] = INTRA_DC_ONLY;
sf->frame_parameter_update = 0;
sf->encode_breakout_thresh = 1000;
sf->search_method = FAST_HEX;
sf->disable_inter_mode_mask[BLOCK_32X32] = 1 << INTER_OFFSET(ZEROMV);
sf->disable_inter_mode_mask[BLOCK_32X64] = ~(1 << INTER_OFFSET(NEARESTMV));
sf->disable_inter_mode_mask[BLOCK_64X32] = ~(1 << INTER_OFFSET(NEARESTMV));
sf->disable_inter_mode_mask[BLOCK_64X64] = ~(1 << INTER_OFFSET(NEARESTMV));
sf->max_intra_bsize = BLOCK_32X32;
sf->allow_skip_recode = 1;
}
if (speed >= 5) {
sf->max_partition_size = BLOCK_32X32;
sf->min_partition_size = BLOCK_8X8;
sf->partition_check =
(cm->current_video_frame % sf->last_partitioning_redo_frequency == 1);
sf->force_ref_frame =
(cm->current_video_frame %
(sf->last_partitioning_redo_frequency << 1) == 1);
sf->max_delta_qindex = 15;
sf->partition_search_type = REFERENCE_PARTITION;
sf->use_nonrd_pick_mode = 1;
sf->search_method = FAST_DIAMOND;
sf->allow_skip_recode = 0;
}
if (speed >= 6) {
sf->partition_search_type = VAR_BASED_FIXED_PARTITION;
sf->use_nonrd_pick_mode = 1;
sf->search_method = FAST_DIAMOND;
}
if (speed >= 7) {
int i;
for (i = 0; i < BLOCK_SIZES; ++i)
sf->disable_inter_mode_mask[i] = 14; // only search NEARESTMV (0)
}
}
void vp9_set_speed_features(VP9_COMP *cpi) {
SPEED_FEATURES *const sf = &cpi->sf;
VP9_COMMON *const cm = &cpi->common;
const int speed = cpi->speed < 0 ? -cpi->speed : cpi->speed;
int i;
// best quality defaults
sf->frame_parameter_update = 1;
sf->search_method = NSTEP;
sf->recode_loop = ALLOW_RECODE;
sf->subpel_search_method = SUBPEL_TREE;
sf->subpel_iters_per_step = 2;
sf->subpel_force_stop = 0;
sf->optimize_coefficients = !cpi->oxcf.lossless;
sf->reduce_first_step_size = 0;
sf->auto_mv_step_size = 0;
sf->max_step_search_steps = MAX_MVSEARCH_STEPS;
sf->comp_inter_joint_search_thresh = BLOCK_4X4;
sf->adaptive_rd_thresh = 0;
sf->use_lastframe_partitioning = LAST_FRAME_PARTITION_OFF;
sf->tx_size_search_method = USE_FULL_RD;
sf->use_lp32x32fdct = 0;
sf->adaptive_motion_search = 0;
sf->adaptive_pred_interp_filter = 0;
sf->reference_masking = 0;
sf->partition_search_type = SEARCH_PARTITION;
sf->less_rectangular_check = 0;
sf->use_square_partition_only = 0;
sf->auto_min_max_partition_size = NOT_IN_USE;
sf->max_partition_size = BLOCK_64X64;
sf->min_partition_size = BLOCK_4X4;
sf->adjust_partitioning_from_last_frame = 0;
sf->last_partitioning_redo_frequency = 4;
sf->disable_split_mask = 0;
sf->mode_search_skip_flags = 0;
sf->force_ref_frame = 0;
sf->max_delta_qindex = 0;
sf->disable_split_var_thresh = 0;
sf->disable_filter_search_var_thresh = 0;
for (i = 0; i < TX_SIZES; i++) {
sf->intra_y_mode_mask[i] = ALL_INTRA_MODES;
sf->intra_uv_mode_mask[i] = ALL_INTRA_MODES;
}
sf->use_rd_breakout = 0;
sf->skip_encode_sb = 0;
sf->use_uv_intra_rd_estimate = 0;
sf->allow_skip_recode = 0;
sf->lpf_pick = LPF_PICK_FROM_FULL_IMAGE;
sf->use_fast_coef_updates = 0;
sf->use_fast_coef_costing = 0;
sf->mode_skip_start = MAX_MODES; // Mode index at which mode skip mask set
sf->use_nonrd_pick_mode = 0;
sf->encode_breakout_thresh = 0;
for (i = 0; i < BLOCK_SIZES; ++i)
sf->disable_inter_mode_mask[i] = 0;
sf->max_intra_bsize = BLOCK_64X64;
// This setting only takes effect when partition_search_type is set
// to FIXED_PARTITION.
sf->always_this_block_size = BLOCK_16X16;
// Recode loop tolerence %.
sf->recode_tolerance = 25;
switch (cpi->oxcf.mode) {
case MODE_BESTQUALITY:
case MODE_SECONDPASS_BEST: // This is the best quality mode.
cpi->diamond_search_sad = vp9_full_range_search;
break;
case MODE_FIRSTPASS:
case MODE_GOODQUALITY:
case MODE_SECONDPASS:
set_good_speed_feature(cpi, cm, sf, speed);
break;
case MODE_REALTIME:
set_rt_speed_feature(cm, sf, speed);
break;
}
// Slow quant, dct and trellis not worthwhile for first pass
// so make sure they are always turned off.
if (cpi->pass == 1) {
sf->optimize_coefficients = 0;
}
// No recode for 1 pass.
if (cpi->pass == 0) {
sf->recode_loop = DISALLOW_RECODE;
sf->optimize_coefficients = 0;
}
if (cpi->sf.subpel_search_method == SUBPEL_TREE) {
cpi->find_fractional_mv_step = vp9_find_best_sub_pixel_tree;
cpi->find_fractional_mv_step_comp = vp9_find_best_sub_pixel_comp_tree;
}
cpi->mb.optimize = cpi->sf.optimize_coefficients == 1 && cpi->pass != 1;
if (cpi->encode_breakout && cpi->oxcf.mode == MODE_REALTIME &&
sf->encode_breakout_thresh > cpi->encode_breakout)
cpi->encode_breakout = sf->encode_breakout_thresh;
if (sf->disable_split_mask == DISABLE_ALL_SPLIT)
sf->adaptive_pred_interp_filter = 0;
}
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