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vpx/vp9/encoder/vp9_speed_features.c
Jingning Han 2aa50eafb2 Make non-RD intra mode search txfm size dependent 
This commit fixes the potential issue in the non-RD mode decision
flow that only checks part of the block to estimate the cost. It
was due to the use of fixed transform size, in replacing the
largest transform block size. This commit enables per transform
block cost estimation of the intra prediction mode in the non-RD
mode decision.

Change-Id: I14ff92065e193e3e731c2bbf7ec89db676f1e132
2014-06-25 18:52:18 -07:00

395 lines
14 KiB
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_encoder.h"
#include "vp9/encoder/vp9_speed_features.h"
enum {
INTRA_ALL = (1 << DC_PRED) |
(1 << V_PRED) | (1 << H_PRED) |
(1 << D45_PRED) | (1 << D135_PRED) |
(1 << D117_PRED) | (1 << D153_PRED) |
(1 << D207_PRED) | (1 << D63_PRED) |
(1 << TM_PRED),
INTRA_DC = (1 << DC_PRED),
INTRA_DC_TM = (1 << DC_PRED) | (1 << TM_PRED),
INTRA_DC_H_V = (1 << DC_PRED) | (1 << V_PRED) | (1 << H_PRED),
INTRA_DC_TM_H_V = (1 << DC_PRED) | (1 << TM_PRED) | (1 << V_PRED) |
(1 << H_PRED)
};
enum {
INTER_ALL = (1 << NEARESTMV) | (1 << NEARMV) | (1 << ZEROMV) | (1 << NEWMV),
INTER_NEAREST = (1 << NEARESTMV),
INTER_NEAREST_NEAR_NEW = (1 << NEARESTMV) | (1 << NEARMV) | (1 << NEWMV)
};
enum {
DISABLE_ALL_INTER_SPLIT = (1 << THR_COMP_GA) |
(1 << THR_COMP_LA) |
(1 << THR_ALTR) |
(1 << THR_GOLD) |
(1 << THR_LAST),
DISABLE_ALL_SPLIT = (1 << THR_INTRA) | DISABLE_ALL_INTER_SPLIT,
DISABLE_COMPOUND_SPLIT = (1 << THR_COMP_GA) | (1 << THR_COMP_LA),
LAST_AND_INTRA_SPLIT_ONLY = (1 << THR_COMP_GA) |
(1 << THR_COMP_LA) |
(1 << THR_ALTR) |
(1 << THR_GOLD)
};
static void set_good_speed_feature(VP9_COMP *cpi, VP9_COMMON *cm,
SPEED_FEATURES *sf, int speed) {
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 = 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->mv.auto_mv_step_size = 1;
sf->adaptive_rd_thresh = 2;
sf->mv.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;
}
if (speed >= 2) {
if (MIN(cm->width, cm->height) >= 720) {
sf->lf_motion_threshold = LOW_MOTION_THRESHOLD;
sf->last_partitioning_redo_frequency = 3;
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->last_partitioning_redo_frequency = 2;
sf->lf_motion_threshold = NO_MOTION_THRESHOLD;
}
sf->adaptive_pred_interp_filter = 0;
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;
}
if (speed >= 3) {
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 = DISABLE_ALL_SPLIT;
else
sf->disable_split_mask = DISABLE_ALL_INTER_SPLIT;
sf->lf_motion_threshold = LOW_MOTION_THRESHOLD;
sf->last_partitioning_redo_frequency = 3;
sf->recode_loop = ALLOW_RECODE_KFMAXBW;
sf->adaptive_rd_thresh = 3;
sf->mode_skip_start = 6;
sf->use_fast_coef_updates = ONE_LOOP_REDUCED;
sf->use_fast_coef_costing = 1;
}
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;
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) {
int i;
sf->partition_search_type = FIXED_PARTITION;
sf->optimize_coefficients = 0;
sf->mv.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;
sf->intra_uv_mode_mask[i] = INTRA_DC;
}
cpi->allow_encode_breakout = ENCODE_BREAKOUT_ENABLED;
}
}
static void set_rt_speed_feature(VP9_COMP *cpi, SPEED_FEATURES *sf,
int speed) {
VP9_COMMON *const cm = &cpi->common;
const int frames_since_key =
cm->frame_type == KEY_FRAME ? 0 : cpi->rc.frames_since_key;
sf->static_segmentation = 0;
sf->adaptive_rd_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->mv.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;
}
if (speed >= 2) {
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->adaptive_pred_interp_filter = 2;
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->lf_motion_threshold = LOW_MOTION_THRESHOLD;
sf->adjust_partitioning_from_last_frame = 1;
sf->last_partitioning_redo_frequency = 3;
sf->use_lp32x32fdct = 1;
sf->mode_skip_start = 11;
sf->intra_y_mode_mask[TX_16X16] = INTRA_DC_H_V;
}
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->constrain_copy_partition = 1;
sf->use_uv_intra_rd_estimate = 1;
sf->skip_encode_sb = 1;
sf->mv.subpel_iters_per_step = 1;
sf->use_fast_coef_updates = ONE_LOOP_REDUCED;
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;
}
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 ==
(frames_since_key + 1) % sf->last_partitioning_redo_frequency);
sf->mv.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;
}
sf->intra_y_mode_mask[TX_32X32] = INTRA_DC;
sf->frame_parameter_update = 0;
sf->mv.search_method = FAST_HEX;
sf->inter_mode_mask[BLOCK_32X32] = INTER_NEAREST_NEAR_NEW;
sf->inter_mode_mask[BLOCK_32X64] = INTER_NEAREST;
sf->inter_mode_mask[BLOCK_64X32] = INTER_NEAREST;
sf->inter_mode_mask[BLOCK_64X64] = INTER_NEAREST;
sf->max_intra_bsize = BLOCK_32X32;
sf->allow_skip_recode = 1;
}
if (speed >= 5) {
sf->auto_min_max_partition_size = (cm->frame_type == KEY_FRAME) ?
RELAXED_NEIGHBORING_MIN_MAX : STRICT_NEIGHBORING_MIN_MAX;
sf->max_partition_size = BLOCK_32X32;
sf->min_partition_size = BLOCK_8X8;
sf->partition_check =
(frames_since_key % sf->last_partitioning_redo_frequency == 1);
sf->force_frame_boost = cm->frame_type == KEY_FRAME ||
(frames_since_key %
(sf->last_partitioning_redo_frequency << 1) == 1);
sf->max_delta_qindex = (cm->frame_type == KEY_FRAME) ? 20 : 15;
sf->partition_search_type = REFERENCE_PARTITION;
sf->use_nonrd_pick_mode = 1;
sf->mv.search_method = FAST_DIAMOND;
sf->allow_skip_recode = 0;
}
if (speed >= 6) {
// Adaptively switch between SOURCE_VAR_BASED_PARTITION and FIXED_PARTITION.
sf->partition_search_type = SOURCE_VAR_BASED_PARTITION;
sf->search_type_check_frequency = 50;
sf->source_var_thresh = 360;
sf->tx_size_search_method = USE_TX_8X8;
sf->max_intra_bsize = BLOCK_8X8;
// This feature is only enabled when partition search is disabled.
sf->reuse_inter_pred_sby = 1;
}
if (speed >= 7) {
int i;
for (i = 0; i < BLOCK_SIZES; ++i)
sf->inter_mode_mask[i] = INTER_NEAREST;
}
}
void vp9_set_speed_features(VP9_COMP *cpi) {
SPEED_FEATURES *const sf = &cpi->sf;
VP9_COMMON *const cm = &cpi->common;
const VP9EncoderConfig *const oxcf = &cpi->oxcf;
int i;
// best quality defaults
sf->frame_parameter_update = 1;
sf->mv.search_method = NSTEP;
sf->recode_loop = ALLOW_RECODE;
sf->mv.subpel_search_method = SUBPEL_TREE;
sf->mv.subpel_iters_per_step = 2;
sf->mv.subpel_force_stop = 0;
sf->optimize_coefficients = !is_lossless_requested(&cpi->oxcf);
sf->mv.reduce_first_step_size = 0;
sf->mv.auto_mv_step_size = 0;
sf->mv.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->constrain_copy_partition = 0;
sf->disable_split_mask = 0;
sf->mode_search_skip_flags = 0;
sf->force_frame_boost = 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] = INTRA_ALL;
sf->intra_uv_mode_mask[i] = INTRA_ALL;
}
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 = TWO_LOOP;
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;
for (i = 0; i < BLOCK_SIZES; ++i)
sf->inter_mode_mask[i] = INTER_ALL;
sf->max_intra_bsize = BLOCK_64X64;
sf->reuse_inter_pred_sby = 0;
// This setting only takes effect when partition_search_type is set
// to FIXED_PARTITION.
sf->always_this_block_size = BLOCK_16X16;
sf->search_type_check_frequency = 50;
sf->source_var_thresh = 100;
// Recode loop tolerence %.
sf->recode_tolerance = 25;
switch (oxcf->mode) {
case ONE_PASS_BEST:
case TWO_PASS_SECOND_BEST: // This is the best quality mode.
cpi->diamond_search_sad = vp9_full_range_search;
break;
case TWO_PASS_FIRST:
case ONE_PASS_GOOD:
case TWO_PASS_SECOND_GOOD:
set_good_speed_feature(cpi, cm, sf, oxcf->speed);
break;
case REALTIME:
set_rt_speed_feature(cpi, sf, oxcf->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 (sf->mv.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 = sf->optimize_coefficients == 1 && cpi->pass != 1;
if (sf->disable_split_mask == DISABLE_ALL_SPLIT)
sf->adaptive_pred_interp_filter = 0;
if (!cpi->oxcf.frame_periodic_boost) {
sf->max_delta_qindex = 0;
}
}
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