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/*
* Copyright (c) 2016, Alliance for Open Media. All rights reserved
*
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
#include <assert.h>
#include <limits.h>
#include <math.h>
#include <stdio.h>
#include "config/aom_dsp_rtcd.h"
#include "config/av1_rtcd.h"
#include "aom_dsp/aom_dsp_common.h"
#include "aom_dsp/blend.h"
#include "aom_mem/aom_mem.h"
#include "aom_ports/aom_timer.h"
#include "aom_ports/mem.h"
#include "aom_ports/system_state.h"
#include "av1/common/mvref_common.h"
#include "av1/common/pred_common.h"
#include "av1/common/reconinter.h"
#include "av1/encoder/encodemv.h"
#include "av1/encoder/rdopt.h"
#include "av1/encoder/reconinter_enc.h"
extern int g_pick_inter_mode_cnt;
typedef struct {
uint8_t *data;
int stride;
int in_use;
} PRED_BUFFER;
typedef struct {
PRED_BUFFER *best_pred;
PREDICTION_MODE best_mode;
TX_SIZE best_tx_size;
TX_SIZE best_intra_tx_size;
MV_REFERENCE_FRAME best_ref_frame;
MV_REFERENCE_FRAME best_second_ref_frame;
uint8_t best_mode_skip_txfm;
InterpFilters best_pred_filter;
} BEST_PICKMODE;
typedef struct {
MV_REFERENCE_FRAME ref_frame;
PREDICTION_MODE pred_mode;
} REF_MODE;
#define RT_INTER_MODES 9
static const REF_MODE ref_mode_set[RT_INTER_MODES] = {
{ LAST_FRAME, NEARESTMV }, { LAST_FRAME, NEARMV },
{ LAST_FRAME, NEWMV }, { GOLDEN_FRAME, NEARESTMV },
{ GOLDEN_FRAME, NEARMV }, { GOLDEN_FRAME, NEWMV },
{ ALTREF_FRAME, NEARESTMV }, { ALTREF_FRAME, NEARMV },
{ ALTREF_FRAME, NEWMV }
};
static const THR_MODES mode_idx[REF_FRAMES][4] = {
{ THR_DC, THR_V_PRED, THR_H_PRED, THR_SMOOTH },
{ THR_NEARESTMV, THR_NEARMV, THR_GLOBALMV, THR_NEWMV },
{ THR_NEARESTG, THR_NEARG, THR_GLOBALMV, THR_NEWG },
{ THR_NEARESTA, THR_NEARA, THR_GLOBALMV, THR_NEWA },
};
typedef struct {
PREDICTION_MODE mode;
MV_REFERENCE_FRAME ref_frame[2];
} MODE_DEFINITION;
static const MODE_DEFINITION av1_mode_order[MAX_MODES] = {
{ NEARESTMV, { LAST_FRAME, NONE_FRAME } },
{ NEARESTMV, { LAST2_FRAME, NONE_FRAME } },
{ NEARESTMV, { LAST3_FRAME, NONE_FRAME } },
{ NEARESTMV, { BWDREF_FRAME, NONE_FRAME } },
{ NEARESTMV, { ALTREF2_FRAME, NONE_FRAME } },
{ NEARESTMV, { ALTREF_FRAME, NONE_FRAME } },
{ NEARESTMV, { GOLDEN_FRAME, NONE_FRAME } },
{ NEWMV, { LAST_FRAME, NONE_FRAME } },
{ NEWMV, { LAST2_FRAME, NONE_FRAME } },
{ NEWMV, { LAST3_FRAME, NONE_FRAME } },
{ NEWMV, { BWDREF_FRAME, NONE_FRAME } },
{ NEWMV, { ALTREF2_FRAME, NONE_FRAME } },
{ NEWMV, { ALTREF_FRAME, NONE_FRAME } },
{ NEWMV, { GOLDEN_FRAME, NONE_FRAME } },
{ NEARMV, { LAST_FRAME, NONE_FRAME } },
{ NEARMV, { LAST2_FRAME, NONE_FRAME } },
{ NEARMV, { LAST3_FRAME, NONE_FRAME } },
{ NEARMV, { BWDREF_FRAME, NONE_FRAME } },
{ NEARMV, { ALTREF2_FRAME, NONE_FRAME } },
{ NEARMV, { ALTREF_FRAME, NONE_FRAME } },
{ NEARMV, { GOLDEN_FRAME, NONE_FRAME } },
{ GLOBALMV, { LAST_FRAME, NONE_FRAME } },
{ GLOBALMV, { LAST2_FRAME, NONE_FRAME } },
{ GLOBALMV, { LAST3_FRAME, NONE_FRAME } },
{ GLOBALMV, { BWDREF_FRAME, NONE_FRAME } },
{ GLOBALMV, { ALTREF2_FRAME, NONE_FRAME } },
{ GLOBALMV, { GOLDEN_FRAME, NONE_FRAME } },
{ GLOBALMV, { ALTREF_FRAME, NONE_FRAME } },
// TODO(kyslov): May need to reconsider the order on the modes to check
{ NEAREST_NEARESTMV, { LAST_FRAME, ALTREF_FRAME } },
{ NEAREST_NEARESTMV, { LAST2_FRAME, ALTREF_FRAME } },
{ NEAREST_NEARESTMV, { LAST3_FRAME, ALTREF_FRAME } },
{ NEAREST_NEARESTMV, { GOLDEN_FRAME, ALTREF_FRAME } },
{ NEAREST_NEARESTMV, { LAST_FRAME, BWDREF_FRAME } },
{ NEAREST_NEARESTMV, { LAST2_FRAME, BWDREF_FRAME } },
{ NEAREST_NEARESTMV, { LAST3_FRAME, BWDREF_FRAME } },
{ NEAREST_NEARESTMV, { GOLDEN_FRAME, BWDREF_FRAME } },
{ NEAREST_NEARESTMV, { LAST_FRAME, ALTREF2_FRAME } },
{ NEAREST_NEARESTMV, { LAST2_FRAME, ALTREF2_FRAME } },
{ NEAREST_NEARESTMV, { LAST3_FRAME, ALTREF2_FRAME } },
{ NEAREST_NEARESTMV, { GOLDEN_FRAME, ALTREF2_FRAME } },
{ NEAREST_NEARESTMV, { LAST_FRAME, LAST2_FRAME } },
{ NEAREST_NEARESTMV, { LAST_FRAME, LAST3_FRAME } },
{ NEAREST_NEARESTMV, { LAST_FRAME, GOLDEN_FRAME } },
{ NEAREST_NEARESTMV, { BWDREF_FRAME, ALTREF_FRAME } },
{ NEAR_NEARMV, { LAST_FRAME, ALTREF_FRAME } },
{ NEW_NEARESTMV, { LAST_FRAME, ALTREF_FRAME } },
{ NEAREST_NEWMV, { LAST_FRAME, ALTREF_FRAME } },
{ NEW_NEARMV, { LAST_FRAME, ALTREF_FRAME } },
{ NEAR_NEWMV, { LAST_FRAME, ALTREF_FRAME } },
{ NEW_NEWMV, { LAST_FRAME, ALTREF_FRAME } },
{ GLOBAL_GLOBALMV, { LAST_FRAME, ALTREF_FRAME } },
{ NEAR_NEARMV, { LAST2_FRAME, ALTREF_FRAME } },
{ NEW_NEARESTMV, { LAST2_FRAME, ALTREF_FRAME } },
{ NEAREST_NEWMV, { LAST2_FRAME, ALTREF_FRAME } },
{ NEW_NEARMV, { LAST2_FRAME, ALTREF_FRAME } },
{ NEAR_NEWMV, { LAST2_FRAME, ALTREF_FRAME } },
{ NEW_NEWMV, { LAST2_FRAME, ALTREF_FRAME } },
{ GLOBAL_GLOBALMV, { LAST2_FRAME, ALTREF_FRAME } },
{ NEAR_NEARMV, { LAST3_FRAME, ALTREF_FRAME } },
{ NEW_NEARESTMV, { LAST3_FRAME, ALTREF_FRAME } },
{ NEAREST_NEWMV, { LAST3_FRAME, ALTREF_FRAME } },
{ NEW_NEARMV, { LAST3_FRAME, ALTREF_FRAME } },
{ NEAR_NEWMV, { LAST3_FRAME, ALTREF_FRAME } },
{ NEW_NEWMV, { LAST3_FRAME, ALTREF_FRAME } },
{ GLOBAL_GLOBALMV, { LAST3_FRAME, ALTREF_FRAME } },
{ NEAR_NEARMV, { GOLDEN_FRAME, ALTREF_FRAME } },
{ NEW_NEARESTMV, { GOLDEN_FRAME, ALTREF_FRAME } },
{ NEAREST_NEWMV, { GOLDEN_FRAME, ALTREF_FRAME } },
{ NEW_NEARMV, { GOLDEN_FRAME, ALTREF_FRAME } },
{ NEAR_NEWMV, { GOLDEN_FRAME, ALTREF_FRAME } },
{ NEW_NEWMV, { GOLDEN_FRAME, ALTREF_FRAME } },
{ GLOBAL_GLOBALMV, { GOLDEN_FRAME, ALTREF_FRAME } },
{ NEAR_NEARMV, { LAST_FRAME, BWDREF_FRAME } },
{ NEW_NEARESTMV, { LAST_FRAME, BWDREF_FRAME } },
{ NEAREST_NEWMV, { LAST_FRAME, BWDREF_FRAME } },
{ NEW_NEARMV, { LAST_FRAME, BWDREF_FRAME } },
{ NEAR_NEWMV, { LAST_FRAME, BWDREF_FRAME } },
{ NEW_NEWMV, { LAST_FRAME, BWDREF_FRAME } },
{ GLOBAL_GLOBALMV, { LAST_FRAME, BWDREF_FRAME } },
{ NEAR_NEARMV, { LAST2_FRAME, BWDREF_FRAME } },
{ NEW_NEARESTMV, { LAST2_FRAME, BWDREF_FRAME } },
{ NEAREST_NEWMV, { LAST2_FRAME, BWDREF_FRAME } },
{ NEW_NEARMV, { LAST2_FRAME, BWDREF_FRAME } },
{ NEAR_NEWMV, { LAST2_FRAME, BWDREF_FRAME } },
{ NEW_NEWMV, { LAST2_FRAME, BWDREF_FRAME } },
{ GLOBAL_GLOBALMV, { LAST2_FRAME, BWDREF_FRAME } },
{ NEAR_NEARMV, { LAST3_FRAME, BWDREF_FRAME } },
{ NEW_NEARESTMV, { LAST3_FRAME, BWDREF_FRAME } },
{ NEAREST_NEWMV, { LAST3_FRAME, BWDREF_FRAME } },
{ NEW_NEARMV, { LAST3_FRAME, BWDREF_FRAME } },
{ NEAR_NEWMV, { LAST3_FRAME, BWDREF_FRAME } },
{ NEW_NEWMV, { LAST3_FRAME, BWDREF_FRAME } },
{ GLOBAL_GLOBALMV, { LAST3_FRAME, BWDREF_FRAME } },
{ NEAR_NEARMV, { GOLDEN_FRAME, BWDREF_FRAME } },
{ NEW_NEARESTMV, { GOLDEN_FRAME, BWDREF_FRAME } },
{ NEAREST_NEWMV, { GOLDEN_FRAME, BWDREF_FRAME } },
{ NEW_NEARMV, { GOLDEN_FRAME, BWDREF_FRAME } },
{ NEAR_NEWMV, { GOLDEN_FRAME, BWDREF_FRAME } },
{ NEW_NEWMV, { GOLDEN_FRAME, BWDREF_FRAME } },
{ GLOBAL_GLOBALMV, { GOLDEN_FRAME, BWDREF_FRAME } },
{ NEAR_NEARMV, { LAST_FRAME, ALTREF2_FRAME } },
{ NEW_NEARESTMV, { LAST_FRAME, ALTREF2_FRAME } },
{ NEAREST_NEWMV, { LAST_FRAME, ALTREF2_FRAME } },
{ NEW_NEARMV, { LAST_FRAME, ALTREF2_FRAME } },
{ NEAR_NEWMV, { LAST_FRAME, ALTREF2_FRAME } },
{ NEW_NEWMV, { LAST_FRAME, ALTREF2_FRAME } },
{ GLOBAL_GLOBALMV, { LAST_FRAME, ALTREF2_FRAME } },
{ NEAR_NEARMV, { LAST2_FRAME, ALTREF2_FRAME } },
{ NEW_NEARESTMV, { LAST2_FRAME, ALTREF2_FRAME } },
{ NEAREST_NEWMV, { LAST2_FRAME, ALTREF2_FRAME } },
{ NEW_NEARMV, { LAST2_FRAME, ALTREF2_FRAME } },
{ NEAR_NEWMV, { LAST2_FRAME, ALTREF2_FRAME } },
{ NEW_NEWMV, { LAST2_FRAME, ALTREF2_FRAME } },
{ GLOBAL_GLOBALMV, { LAST2_FRAME, ALTREF2_FRAME } },
{ NEAR_NEARMV, { LAST3_FRAME, ALTREF2_FRAME } },
{ NEW_NEARESTMV, { LAST3_FRAME, ALTREF2_FRAME } },
{ NEAREST_NEWMV, { LAST3_FRAME, ALTREF2_FRAME } },
{ NEW_NEARMV, { LAST3_FRAME, ALTREF2_FRAME } },
{ NEAR_NEWMV, { LAST3_FRAME, ALTREF2_FRAME } },
{ NEW_NEWMV, { LAST3_FRAME, ALTREF2_FRAME } },
{ GLOBAL_GLOBALMV, { LAST3_FRAME, ALTREF2_FRAME } },
{ NEAR_NEARMV, { GOLDEN_FRAME, ALTREF2_FRAME } },
{ NEW_NEARESTMV, { GOLDEN_FRAME, ALTREF2_FRAME } },
{ NEAREST_NEWMV, { GOLDEN_FRAME, ALTREF2_FRAME } },
{ NEW_NEARMV, { GOLDEN_FRAME, ALTREF2_FRAME } },
{ NEAR_NEWMV, { GOLDEN_FRAME, ALTREF2_FRAME } },
{ NEW_NEWMV, { GOLDEN_FRAME, ALTREF2_FRAME } },
{ GLOBAL_GLOBALMV, { GOLDEN_FRAME, ALTREF2_FRAME } },
{ NEAR_NEARMV, { LAST_FRAME, LAST2_FRAME } },
{ NEW_NEARESTMV, { LAST_FRAME, LAST2_FRAME } },
{ NEAREST_NEWMV, { LAST_FRAME, LAST2_FRAME } },
{ NEW_NEARMV, { LAST_FRAME, LAST2_FRAME } },
{ NEAR_NEWMV, { LAST_FRAME, LAST2_FRAME } },
{ NEW_NEWMV, { LAST_FRAME, LAST2_FRAME } },
{ GLOBAL_GLOBALMV, { LAST_FRAME, LAST2_FRAME } },
{ NEAR_NEARMV, { LAST_FRAME, LAST3_FRAME } },
{ NEW_NEARESTMV, { LAST_FRAME, LAST3_FRAME } },
{ NEAREST_NEWMV, { LAST_FRAME, LAST3_FRAME } },
{ NEW_NEARMV, { LAST_FRAME, LAST3_FRAME } },
{ NEAR_NEWMV, { LAST_FRAME, LAST3_FRAME } },
{ NEW_NEWMV, { LAST_FRAME, LAST3_FRAME } },
{ GLOBAL_GLOBALMV, { LAST_FRAME, LAST3_FRAME } },
{ NEAR_NEARMV, { LAST_FRAME, GOLDEN_FRAME } },
{ NEW_NEARESTMV, { LAST_FRAME, GOLDEN_FRAME } },
{ NEAREST_NEWMV, { LAST_FRAME, GOLDEN_FRAME } },
{ NEW_NEARMV, { LAST_FRAME, GOLDEN_FRAME } },
{ NEAR_NEWMV, { LAST_FRAME, GOLDEN_FRAME } },
{ NEW_NEWMV, { LAST_FRAME, GOLDEN_FRAME } },
{ GLOBAL_GLOBALMV, { LAST_FRAME, GOLDEN_FRAME } },
{ NEAR_NEARMV, { BWDREF_FRAME, ALTREF_FRAME } },
{ NEW_NEARESTMV, { BWDREF_FRAME, ALTREF_FRAME } },
{ NEAREST_NEWMV, { BWDREF_FRAME, ALTREF_FRAME } },
{ NEW_NEARMV, { BWDREF_FRAME, ALTREF_FRAME } },
{ NEAR_NEWMV, { BWDREF_FRAME, ALTREF_FRAME } },
{ NEW_NEWMV, { BWDREF_FRAME, ALTREF_FRAME } },
{ GLOBAL_GLOBALMV, { BWDREF_FRAME, ALTREF_FRAME } },
// intra modes
{ DC_PRED, { INTRA_FRAME, NONE_FRAME } },
{ PAETH_PRED, { INTRA_FRAME, NONE_FRAME } },
{ SMOOTH_PRED, { INTRA_FRAME, NONE_FRAME } },
{ SMOOTH_V_PRED, { INTRA_FRAME, NONE_FRAME } },
{ SMOOTH_H_PRED, { INTRA_FRAME, NONE_FRAME } },
{ H_PRED, { INTRA_FRAME, NONE_FRAME } },
{ V_PRED, { INTRA_FRAME, NONE_FRAME } },
{ D135_PRED, { INTRA_FRAME, NONE_FRAME } },
{ D203_PRED, { INTRA_FRAME, NONE_FRAME } },
{ D157_PRED, { INTRA_FRAME, NONE_FRAME } },
{ D67_PRED, { INTRA_FRAME, NONE_FRAME } },
{ D113_PRED, { INTRA_FRAME, NONE_FRAME } },
{ D45_PRED, { INTRA_FRAME, NONE_FRAME } },
};
enum {
// INTER_ALL = (1 << NEARESTMV) | (1 << NEARMV) | (1 << NEWMV),
INTER_NEAREST = (1 << NEARESTMV),
INTER_NEAREST_NEW = (1 << NEARESTMV) | (1 << NEWMV),
INTER_NEAREST_NEAR = (1 << NEARESTMV) | (1 << NEARMV),
INTER_NEAR_NEW = (1 << NEARMV) | (1 << NEWMV),
};
static INLINE void init_best_pickmode(BEST_PICKMODE *bp) {
bp->best_mode = NEARESTMV;
bp->best_ref_frame = LAST_FRAME;
bp->best_tx_size = TX_SIZES;
bp->best_intra_tx_size = TX_SIZES;
bp->best_pred_filter = EIGHTTAP_REGULAR;
bp->best_mode_skip_txfm = 0;
bp->best_second_ref_frame = NONE_FRAME;
bp->best_pred = NULL;
}
static int combined_motion_search(AV1_COMP *cpi, MACROBLOCK *x,
BLOCK_SIZE bsize, int mi_row, int mi_col,
int_mv *tmp_mv, int *rate_mv,
int64_t best_rd_sofar, int use_base_mv) {
MACROBLOCKD *xd = &x->e_mbd;
const AV1_COMMON *cm = &cpi->common;
const int num_planes = av1_num_planes(cm);
MB_MODE_INFO *mi = xd->mi[0];
struct buf_2d backup_yv12[MAX_MB_PLANE] = { { 0, 0, 0, 0, 0 } };
int step_param = cpi->sf.mv.reduce_first_step_size;
const int sadpb = x->sadperbit16;
MV mvp_full;
const int ref = mi->ref_frame[0];
const MV ref_mv = av1_get_ref_mv(x, mi->ref_mv_idx).as_mv;
MV center_mv;
int dis;
const MvLimits tmp_mv_limits = x->mv_limits;
int rv = 0;
int cost_list[5];
int search_subpel = 1;
const YV12_BUFFER_CONFIG *scaled_ref_frame =
av1_get_scaled_ref_frame(cpi, ref);
step_param = AOMMIN(step_param, cpi->mv_step_param);
if (scaled_ref_frame) {
int i;
// Swap out the reference frame for a version that's been scaled to
// match the resolution of the current frame, allowing the existing
// motion search code to be used without additional modifications.
for (i = 0; i < MAX_MB_PLANE; i++) backup_yv12[i] = xd->plane[i].pre[0];
av1_setup_pre_planes(xd, 0, scaled_ref_frame, mi_row, mi_col, NULL,
num_planes);
}
av1_set_mv_search_range(&x->mv_limits, &ref_mv);
mvp_full = ref_mv;
mvp_full.col >>= 3;
mvp_full.row >>= 3;
if (!use_base_mv)
center_mv = ref_mv;
else
center_mv = tmp_mv->as_mv;
av1_full_pixel_search(
cpi, x, bsize, &mvp_full, step_param, cpi->sf.mv.search_method, 0, sadpb,
cond_cost_list(cpi, cost_list), &center_mv, INT_MAX, 0,
(MI_SIZE * mi_col), (MI_SIZE * mi_row), 0, &cpi->ss_cfg[SS_CFG_SRC]);
x->mv_limits = tmp_mv_limits;
*tmp_mv = x->best_mv;
// calculate the bit cost on motion vector
mvp_full.row = tmp_mv->as_mv.row * 8;
mvp_full.col = tmp_mv->as_mv.col * 8;
*rate_mv = av1_mv_bit_cost(&mvp_full, &ref_mv, x->nmv_vec_cost,
x->mv_cost_stack, MV_COST_WEIGHT);
// TODO(kyslov) Account for Rate Mode!
rv = !(RDCOST(x->rdmult, (*rate_mv), 0) > best_rd_sofar);
if (rv && search_subpel) {
SUBPEL_FORCE_STOP subpel_force_stop = cpi->sf.mv.subpel_force_stop;
cpi->find_fractional_mv_step(
x, cm, mi_row, mi_col, &ref_mv, cpi->common.allow_high_precision_mv,
x->errorperbit, &cpi->fn_ptr[bsize], subpel_force_stop,
cpi->sf.mv.subpel_iters_per_step, cond_cost_list(cpi, cost_list),
x->nmv_vec_cost, x->mv_cost_stack, &dis, &x->pred_sse[ref], NULL, NULL,
0, 0, 0, 0, 0, 1);
*tmp_mv = x->best_mv;
*rate_mv = av1_mv_bit_cost(&tmp_mv->as_mv, &ref_mv, x->nmv_vec_cost,
x->mv_cost_stack, MV_COST_WEIGHT);
}
if (scaled_ref_frame) {
int i;
for (i = 0; i < MAX_MB_PLANE; i++) xd->plane[i].pre[0] = backup_yv12[i];
}
return rv;
}
static int search_new_mv(AV1_COMP *cpi, MACROBLOCK *x,
int_mv frame_mv[][REF_FRAMES],
MV_REFERENCE_FRAME ref_frame, int gf_temporal_ref,
BLOCK_SIZE bsize, int mi_row, int mi_col,
int best_pred_sad, int *rate_mv,
int64_t best_sse_sofar, RD_STATS *best_rdc) {
MACROBLOCKD *const xd = &x->e_mbd;
MB_MODE_INFO *const mi = xd->mi[0];
AV1_COMMON *cm = &cpi->common;
(void)best_sse_sofar;
if (ref_frame > LAST_FRAME && gf_temporal_ref &&
cpi->oxcf.rc_mode == AOM_CBR) {
int tmp_sad;
int dis;
int cost_list[5] = { INT_MAX, INT_MAX, INT_MAX, INT_MAX, INT_MAX };
if (bsize < BLOCK_16X16) return -1;
tmp_sad = av1_int_pro_motion_estimation(
cpi, x, bsize, mi_row, mi_col,
&x->mbmi_ext->ref_mv_stack[ref_frame][0].this_mv.as_mv);
if (tmp_sad > x->pred_mv_sad[LAST_FRAME]) return -1;
if (tmp_sad + (num_pels_log2_lookup[bsize] << 4) > best_pred_sad) return -1;
frame_mv[NEWMV][ref_frame].as_int = mi->mv[0].as_int;
MV ref_mv = av1_get_ref_mv(x, 0).as_mv;
*rate_mv =
av1_mv_bit_cost(&frame_mv[NEWMV][ref_frame].as_mv, &ref_mv,
x->nmv_vec_cost, x->mv_cost_stack, MV_COST_WEIGHT);
frame_mv[NEWMV][ref_frame].as_mv.row >>= 3;
frame_mv[NEWMV][ref_frame].as_mv.col >>= 3;
cpi->find_fractional_mv_step(
x, cm, mi_row, mi_col, &ref_mv, cm->allow_high_precision_mv,
x->errorperbit, &cpi->fn_ptr[bsize], cpi->sf.mv.subpel_force_stop,
cpi->sf.mv.subpel_iters_per_step, cond_cost_list(cpi, cost_list),
x->nmv_vec_cost, x->mv_cost_stack, &dis, &x->pred_sse[ref_frame], NULL,
NULL, 0, 0, 0, 0, 0, 1);
} else if (!combined_motion_search(cpi, x, bsize, mi_row, mi_col,
&frame_mv[NEWMV][ref_frame], rate_mv,
best_rdc->rdcost, 0)) {
return -1;
}
return 0;
}
static INLINE void find_predictors(
AV1_COMP *cpi, MACROBLOCK *x, MV_REFERENCE_FRAME ref_frame,
int_mv frame_mv[MB_MODE_COUNT][REF_FRAMES], int const_motion[REF_FRAMES],
int *ref_frame_skip_mask, const int flag_list[4], TileDataEnc *tile_data,
int mi_row, int mi_col, struct buf_2d yv12_mb[4][MAX_MB_PLANE],
BLOCK_SIZE bsize, int force_skip_low_temp_var, int comp_pred_allowed) {
AV1_COMMON *const cm = &cpi->common;
MACROBLOCKD *const xd = &x->e_mbd;
MB_MODE_INFO *const mbmi = xd->mi[0];
MB_MODE_INFO_EXT *const mbmi_ext = x->mbmi_ext;
const YV12_BUFFER_CONFIG *yv12 = get_ref_frame_yv12_buf(cm, ref_frame);
const int num_planes = av1_num_planes(cm);
(void)tile_data;
(void)const_motion;
(void)comp_pred_allowed;
x->pred_mv_sad[ref_frame] = INT_MAX;
frame_mv[NEWMV][ref_frame].as_int = INVALID_MV;
// TODO(kyslov) this needs various further optimizations. to be continued..
if ((cpi->ref_frame_flags & flag_list[ref_frame]) && (yv12 != NULL)) {
const struct scale_factors *const sf =
get_ref_scale_factors_const(cm, ref_frame);
av1_setup_pred_block(xd, yv12_mb[ref_frame], yv12, mi_row, mi_col, sf, sf,
num_planes);
av1_find_mv_refs(cm, xd, mbmi, ref_frame, mbmi_ext->ref_mv_count,
mbmi_ext->ref_mv_stack, mbmi_ext->weight, NULL,
mbmi_ext->global_mvs, mi_row, mi_col,
mbmi_ext->mode_context);
av1_find_best_ref_mvs_from_stack(cm->allow_high_precision_mv, mbmi_ext,
ref_frame, &frame_mv[NEARESTMV][ref_frame],
&frame_mv[NEARMV][ref_frame], 0);
// Early exit for golden frame if force_skip_low_temp_var is set.
if (!av1_is_scaled(sf) && bsize >= BLOCK_8X8 &&
!(force_skip_low_temp_var && ref_frame == GOLDEN_FRAME)) {
av1_mv_pred(cpi, x, yv12_mb[ref_frame][0].buf, yv12->y_stride, ref_frame,
bsize);
}
} else {
*ref_frame_skip_mask |= (1 << ref_frame);
}
av1_count_overlappable_neighbors(cm, xd, mi_row, mi_col);
mbmi->num_proj_ref = 1;
}
static void estimate_ref_frame_costs(
const AV1_COMMON *cm, const MACROBLOCKD *xd, const MACROBLOCK *x,
int segment_id, unsigned int *ref_costs_single,
unsigned int (*ref_costs_comp)[REF_FRAMES]) {
int seg_ref_active =
segfeature_active(&cm->seg, segment_id, SEG_LVL_REF_FRAME);
if (seg_ref_active) {
memset(ref_costs_single, 0, REF_FRAMES * sizeof(*ref_costs_single));
int ref_frame;
for (ref_frame = 0; ref_frame < REF_FRAMES; ++ref_frame)
memset(ref_costs_comp[ref_frame], 0,
REF_FRAMES * sizeof((*ref_costs_comp)[0]));
} else {
int intra_inter_ctx = av1_get_intra_inter_context(xd);
ref_costs_single[INTRA_FRAME] = x->intra_inter_cost[intra_inter_ctx][0];
unsigned int base_cost = x->intra_inter_cost[intra_inter_ctx][1];
for (int i = LAST_FRAME; i <= ALTREF_FRAME; ++i)
ref_costs_single[i] = base_cost;
const int ctx_p1 = av1_get_pred_context_single_ref_p1(xd);
const int ctx_p2 = av1_get_pred_context_single_ref_p2(xd);
const int ctx_p3 = av1_get_pred_context_single_ref_p3(xd);
const int ctx_p4 = av1_get_pred_context_single_ref_p4(xd);
const int ctx_p5 = av1_get_pred_context_single_ref_p5(xd);
const int ctx_p6 = av1_get_pred_context_single_ref_p6(xd);
// Determine cost of a single ref frame, where frame types are represented
// by a tree:
// Level 0: add cost whether this ref is a forward or backward ref
ref_costs_single[LAST_FRAME] += x->single_ref_cost[ctx_p1][0][0];
ref_costs_single[LAST2_FRAME] += x->single_ref_cost[ctx_p1][0][0];
ref_costs_single[LAST3_FRAME] += x->single_ref_cost[ctx_p1][0][0];
ref_costs_single[GOLDEN_FRAME] += x->single_ref_cost[ctx_p1][0][0];
ref_costs_single[BWDREF_FRAME] += x->single_ref_cost[ctx_p1][0][1];
ref_costs_single[ALTREF2_FRAME] += x->single_ref_cost[ctx_p1][0][1];
ref_costs_single[ALTREF_FRAME] += x->single_ref_cost[ctx_p1][0][1];
// Level 1: if this ref is forward ref,
// add cost whether it is last/last2 or last3/golden
ref_costs_single[LAST_FRAME] += x->single_ref_cost[ctx_p3][2][0];
ref_costs_single[LAST2_FRAME] += x->single_ref_cost[ctx_p3][2][0];
ref_costs_single[LAST3_FRAME] += x->single_ref_cost[ctx_p3][2][1];
ref_costs_single[GOLDEN_FRAME] += x->single_ref_cost[ctx_p3][2][1];
// Level 1: if this ref is backward ref
// then add cost whether this ref is altref or backward ref
ref_costs_single[BWDREF_FRAME] += x->single_ref_cost[ctx_p2][1][0];
ref_costs_single[ALTREF2_FRAME] += x->single_ref_cost[ctx_p2][1][0];
ref_costs_single[ALTREF_FRAME] += x->single_ref_cost[ctx_p2][1][1];
// Level 2: further add cost whether this ref is last or last2
ref_costs_single[LAST_FRAME] += x->single_ref_cost[ctx_p4][3][0];
ref_costs_single[LAST2_FRAME] += x->single_ref_cost[ctx_p4][3][1];
// Level 2: last3 or golden
ref_costs_single[LAST3_FRAME] += x->single_ref_cost[ctx_p5][4][0];
ref_costs_single[GOLDEN_FRAME] += x->single_ref_cost[ctx_p5][4][1];
// Level 2: bwdref or altref2
ref_costs_single[BWDREF_FRAME] += x->single_ref_cost[ctx_p6][5][0];
ref_costs_single[ALTREF2_FRAME] += x->single_ref_cost[ctx_p6][5][1];
if (cm->current_frame.reference_mode != SINGLE_REFERENCE) {
// Similar to single ref, determine cost of compound ref frames.
// cost_compound_refs = cost_first_ref + cost_second_ref
const int bwdref_comp_ctx_p = av1_get_pred_context_comp_bwdref_p(xd);
const int bwdref_comp_ctx_p1 = av1_get_pred_context_comp_bwdref_p1(xd);
const int ref_comp_ctx_p = av1_get_pred_context_comp_ref_p(xd);
const int ref_comp_ctx_p1 = av1_get_pred_context_comp_ref_p1(xd);
const int ref_comp_ctx_p2 = av1_get_pred_context_comp_ref_p2(xd);
const int comp_ref_type_ctx = av1_get_comp_reference_type_context(xd);
unsigned int ref_bicomp_costs[REF_FRAMES] = { 0 };
ref_bicomp_costs[LAST_FRAME] = ref_bicomp_costs[LAST2_FRAME] =
ref_bicomp_costs[LAST3_FRAME] = ref_bicomp_costs[GOLDEN_FRAME] =
base_cost + x->comp_ref_type_cost[comp_ref_type_ctx][1];
ref_bicomp_costs[BWDREF_FRAME] = ref_bicomp_costs[ALTREF2_FRAME] = 0;
ref_bicomp_costs[ALTREF_FRAME] = 0;
// cost of first ref frame
ref_bicomp_costs[LAST_FRAME] += x->comp_ref_cost[ref_comp_ctx_p][0][0];
ref_bicomp_costs[LAST2_FRAME] += x->comp_ref_cost[ref_comp_ctx_p][0][0];
ref_bicomp_costs[LAST3_FRAME] += x->comp_ref_cost[ref_comp_ctx_p][0][1];
ref_bicomp_costs[GOLDEN_FRAME] += x->comp_ref_cost[ref_comp_ctx_p][0][1];
ref_bicomp_costs[LAST_FRAME] += x->comp_ref_cost[ref_comp_ctx_p1][1][0];
ref_bicomp_costs[LAST2_FRAME] += x->comp_ref_cost[ref_comp_ctx_p1][1][1];
ref_bicomp_costs[LAST3_FRAME] += x->comp_ref_cost[ref_comp_ctx_p2][2][0];
ref_bicomp_costs[GOLDEN_FRAME] += x->comp_ref_cost[ref_comp_ctx_p2][2][1];
// cost of second ref frame
ref_bicomp_costs[BWDREF_FRAME] +=
x->comp_bwdref_cost[bwdref_comp_ctx_p][0][0];
ref_bicomp_costs[ALTREF2_FRAME] +=
x->comp_bwdref_cost[bwdref_comp_ctx_p][0][0];
ref_bicomp_costs[ALTREF_FRAME] +=
x->comp_bwdref_cost[bwdref_comp_ctx_p][0][1];
ref_bicomp_costs[BWDREF_FRAME] +=
x->comp_bwdref_cost[bwdref_comp_ctx_p1][1][0];
ref_bicomp_costs[ALTREF2_FRAME] +=
x->comp_bwdref_cost[bwdref_comp_ctx_p1][1][1];
// cost: if one ref frame is forward ref, the other ref is backward ref
int ref0, ref1;
for (ref0 = LAST_FRAME; ref0 <= GOLDEN_FRAME; ++ref0) {
for (ref1 = BWDREF_FRAME; ref1 <= ALTREF_FRAME; ++ref1) {
ref_costs_comp[ref0][ref1] =
ref_bicomp_costs[ref0] + ref_bicomp_costs[ref1];
}
}
// cost: if both ref frames are the same side.
const int uni_comp_ref_ctx_p = av1_get_pred_context_uni_comp_ref_p(xd);
const int uni_comp_ref_ctx_p1 = av1_get_pred_context_uni_comp_ref_p1(xd);
const int uni_comp_ref_ctx_p2 = av1_get_pred_context_uni_comp_ref_p2(xd);
ref_costs_comp[LAST_FRAME][LAST2_FRAME] =
base_cost + x->comp_ref_type_cost[comp_ref_type_ctx][0] +
x->uni_comp_ref_cost[uni_comp_ref_ctx_p][0][0] +
x->uni_comp_ref_cost[uni_comp_ref_ctx_p1][1][0];
ref_costs_comp[LAST_FRAME][LAST3_FRAME] =
base_cost + x->comp_ref_type_cost[comp_ref_type_ctx][0] +
x->uni_comp_ref_cost[uni_comp_ref_ctx_p][0][0] +
x->uni_comp_ref_cost[uni_comp_ref_ctx_p1][1][1] +
x->uni_comp_ref_cost[uni_comp_ref_ctx_p2][2][0];
ref_costs_comp[LAST_FRAME][GOLDEN_FRAME] =
base_cost + x->comp_ref_type_cost[comp_ref_type_ctx][0] +
x->uni_comp_ref_cost[uni_comp_ref_ctx_p][0][0] +
x->uni_comp_ref_cost[uni_comp_ref_ctx_p1][1][1] +
x->uni_comp_ref_cost[uni_comp_ref_ctx_p2][2][1];
ref_costs_comp[BWDREF_FRAME][ALTREF_FRAME] =
base_cost + x->comp_ref_type_cost[comp_ref_type_ctx][0] +
x->uni_comp_ref_cost[uni_comp_ref_ctx_p][0][1];
} else {
int ref0, ref1;
for (ref0 = LAST_FRAME; ref0 <= GOLDEN_FRAME; ++ref0) {
for (ref1 = BWDREF_FRAME; ref1 <= ALTREF_FRAME; ++ref1)
ref_costs_comp[ref0][ref1] = 512;
}
ref_costs_comp[LAST_FRAME][LAST2_FRAME] = 512;
ref_costs_comp[LAST_FRAME][LAST3_FRAME] = 512;
ref_costs_comp[LAST_FRAME][GOLDEN_FRAME] = 512;
ref_costs_comp[BWDREF_FRAME][ALTREF_FRAME] = 512;
}
}
}
static void model_rd_from_sse(const AV1_COMP *const cpi,
const MACROBLOCK *const x, BLOCK_SIZE plane_bsize,
int plane, int64_t sse, int num_samples,
int *rate, int64_t *dist) {
(void)num_samples;
(void)cpi;
const MACROBLOCKD *const xd = &x->e_mbd;
const struct macroblockd_plane *const pd = &xd->plane[plane];
const int dequant_shift = (is_cur_buf_hbd(xd)) ? xd->bd - 5 : 3;
av1_model_rd_from_var_lapndz(sse, num_pels_log2_lookup[plane_bsize],
pd->dequant_Q3[1] >> dequant_shift, rate, dist);
*dist <<= 4;
}
static void model_rd_for_sb(const AV1_COMP *const cpi, BLOCK_SIZE bsize,
MACROBLOCK *x, MACROBLOCKD *xd, int plane_from,
int plane_to, int mi_row, int mi_col,
int *out_rate_sum, int64_t *out_dist_sum,
int *skip_txfm_sb, int64_t *skip_sse_sb,
int *plane_rate, int64_t *plane_sse,
int64_t *plane_dist) {
// Note our transform coeffs are 8 times an orthogonal transform.
// Hence quantizer step is also 8 times. To get effective quantizer
// we need to divide by 8 before sending to modeling function.
int plane;
(void)mi_row;
(void)mi_col;
const int ref = xd->mi[0]->ref_frame[0];
int64_t rate_sum = 0;
int64_t dist_sum = 0;
int64_t total_sse = 0;
assert(bsize < BLOCK_SIZES_ALL);
for (plane = plane_from; plane <= plane_to; ++plane) {
struct macroblock_plane *const p = &x->plane[plane];
struct macroblockd_plane *const pd = &xd->plane[plane];
const BLOCK_SIZE plane_bsize =
get_plane_block_size(bsize, pd->subsampling_x, pd->subsampling_y);
const int bw = block_size_wide[plane_bsize];
const int bh = block_size_high[plane_bsize];
int64_t sse;
int rate;
int64_t dist;
if (x->skip_chroma_rd && plane) continue;
if (is_cur_buf_hbd(xd)) {
sse = aom_highbd_sse(p->src.buf, p->src.stride, pd->dst.buf,
pd->dst.stride, bw, bh);
} else {
sse = aom_sse(p->src.buf, p->src.stride, pd->dst.buf, pd->dst.stride, bw,
bh);
}
sse = ROUND_POWER_OF_TWO(sse, (xd->bd - 8) * 2);
model_rd_from_sse(cpi, x, plane_bsize, plane, sse, bw * bh, &rate, &dist);
if (plane == 0) x->pred_sse[ref] = (unsigned int)AOMMIN(sse, UINT_MAX);
total_sse += sse;
rate_sum += rate;
dist_sum += dist;
if (plane_rate) plane_rate[plane] = rate;
if (plane_sse) plane_sse[plane] = sse;
if (plane_dist) plane_dist[plane] = dist;
assert(rate_sum >= 0);
}
if (skip_txfm_sb) *skip_txfm_sb = total_sse == 0;
if (skip_sse_sb) *skip_sse_sb = total_sse << 4;
rate_sum = AOMMIN(rate_sum, INT_MAX);
*out_rate_sum = (int)rate_sum;
*out_dist_sum = dist_sum;
}
static void block_yrd(AV1_COMP *cpi, MACROBLOCK *x, int mi_row, int mi_col,
RD_STATS *this_rdc, int *skippable, int64_t *sse,
BLOCK_SIZE bsize, TX_SIZE tx_size, int rd_computed) {
MACROBLOCKD *xd = &x->e_mbd;
const struct macroblockd_plane *pd = &xd->plane[0];
struct macroblock_plane *const p = &x->plane[0];
const int num_4x4_w = mi_size_wide[bsize];
const int num_4x4_h = mi_size_high[bsize];
const int step = 1 << (tx_size << 1);
const int block_step = (1 << tx_size);
int block = 0, r, c;
const int max_blocks_wide =
num_4x4_w + (xd->mb_to_right_edge >= 0 ? 0 : xd->mb_to_right_edge >> 5);
const int max_blocks_high =
num_4x4_h + (xd->mb_to_bottom_edge >= 0 ? 0 : xd->mb_to_bottom_edge >> 5);
int eob_cost = 0;
const int bw = 4 * num_4x4_w;
const int bh = 4 * num_4x4_h;
assert(tx_size > 0 && tx_size <= 4);
(void)mi_row;
(void)mi_col;
(void)rd_computed;
(void)cpi;
aom_subtract_block(bh, bw, p->src_diff, bw, p->src.buf, p->src.stride,
pd->dst.buf, pd->dst.stride);
*skippable = 1;
// Keep track of the row and column of the blocks we use so that we know
// if we are in the unrestricted motion border.
for (r = 0; r < max_blocks_high; r += block_step) {
for (c = 0; c < num_4x4_w; c += block_step) {
if (c < max_blocks_wide) {
const SCAN_ORDER *const scan_order = &av1_default_scan_orders[tx_size];
tran_low_t *const coeff = BLOCK_OFFSET(p->coeff, block);
tran_low_t *const qcoeff = BLOCK_OFFSET(p->qcoeff, block);
tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block);
uint16_t *const eob = &p->eobs[block];
const int diff_stride = bw;
const int16_t *src_diff;
src_diff = &p->src_diff[(r * diff_stride + c) << 2];
switch (tx_size) {
case TX_64X64:
assert(0); // Not implemented
break;
case TX_32X32:
aom_hadamard_32x32(src_diff, diff_stride, coeff);
av1_quantize_fp(coeff, 32 * 32, p->zbin_QTX, p->round_fp_QTX,
p->quant_fp_QTX, p->quant_shift_QTX, qcoeff,
dqcoeff, p->dequant_QTX, eob, scan_order->scan,
scan_order->iscan);
break;
case TX_16X16:
aom_hadamard_16x16(src_diff, diff_stride, coeff);
av1_quantize_fp(coeff, 16 * 16, p->zbin_QTX, p->round_fp_QTX,
p->quant_fp_QTX, p->quant_shift_QTX, qcoeff,
dqcoeff, p->dequant_QTX, eob, scan_order->scan,
scan_order->iscan);
break;
case TX_8X8:
aom_hadamard_8x8(src_diff, diff_stride, coeff);
av1_quantize_fp(coeff, 8 * 8, p->zbin_QTX, p->round_fp_QTX,
p->quant_fp_QTX, p->quant_shift_QTX, qcoeff,
dqcoeff, p->dequant_QTX, eob, scan_order->scan,
scan_order->iscan);
break;
default: assert(0); break;
}
*skippable &= (*eob == 0);
eob_cost += 1;
}
block += step;
}
}
this_rdc->rate = 0;
if (*sse < INT64_MAX) {
*sse = (*sse << 6) >> 2;
if (*skippable) {
this_rdc->dist = *sse;
return;
}
}
block = 0;
this_rdc->dist = 0;
for (r = 0; r < max_blocks_high; r += block_step) {
for (c = 0; c < num_4x4_w; c += block_step) {
if (c < max_blocks_wide) {
int64_t dummy;
tran_low_t *const coeff = BLOCK_OFFSET(p->coeff, block);
tran_low_t *const qcoeff = BLOCK_OFFSET(p->qcoeff, block);
tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block);
uint16_t *const eob = &p->eobs[block];
if (*eob == 1)
this_rdc->rate += (int)abs(qcoeff[0]);
else if (*eob > 1)
this_rdc->rate += aom_satd(qcoeff, step << 4);
this_rdc->dist +=
av1_block_error(coeff, dqcoeff, step << 4, &dummy) >> 2;
}
block += step;
}
}
// If skippable is set, rate gets clobbered later.
this_rdc->rate <<= (2 + AV1_PROB_COST_SHIFT);
this_rdc->rate += (eob_cost << AV1_PROB_COST_SHIFT);
}
static INLINE void init_mbmi(MB_MODE_INFO *mbmi, int mode_index,
const AV1_COMMON *cm) {
PALETTE_MODE_INFO *const pmi = &mbmi->palette_mode_info;
PREDICTION_MODE this_mode = av1_mode_order[mode_index].mode;
mbmi->ref_mv_idx = 0;
mbmi->mode = this_mode;
mbmi->uv_mode = UV_DC_PRED;
mbmi->ref_frame[0] = av1_mode_order[mode_index].ref_frame[0];
mbmi->ref_frame[1] = av1_mode_order[mode_index].ref_frame[1];
pmi->palette_size[0] = 0;
pmi->palette_size[1] = 0;
mbmi->filter_intra_mode_info.use_filter_intra = 0;
mbmi->mv[0].as_int = mbmi->mv[1].as_int = 0;
mbmi->motion_mode = SIMPLE_TRANSLATION;
mbmi->num_proj_ref = 1;
mbmi->interintra_mode = 0;
set_default_interp_filters(mbmi, cm->interp_filter);
}
static void store_coding_context(MACROBLOCK *x, PICK_MODE_CONTEXT *ctx,
int mode_index) {
MACROBLOCKD *const xd = &x->e_mbd;
// Take a snapshot of the coding context so it can be
// restored if we decide to encode this way
ctx->rd_stats.skip = x->skip;
memcpy(ctx->blk_skip, x->blk_skip, sizeof(x->blk_skip[0]) * ctx->num_4x4_blk);
ctx->skippable = x->skip;
ctx->best_mode_index = mode_index;
ctx->mic = *xd->mi[0];
ctx->mbmi_ext = *x->mbmi_ext;
ctx->comp_pred_diff = 0;
ctx->hybrid_pred_diff = 0;
ctx->single_pred_diff = 0;
}
static int get_pred_buffer(PRED_BUFFER *p, int len) {
int i;
for (i = 0; i < len; i++) {
if (!p[i].in_use) {
p[i].in_use = 1;
return i;
}
}
return -1;
}
static void free_pred_buffer(PRED_BUFFER *p) {
if (p != NULL) p->in_use = 0;
}
static int cost_mv_ref(const MACROBLOCK *const x, PREDICTION_MODE mode,
int16_t mode_context) {
if (is_inter_compound_mode(mode)) {
return x
->inter_compound_mode_cost[mode_context][INTER_COMPOUND_OFFSET(mode)];
}
int mode_cost = 0;
int16_t mode_ctx = mode_context & NEWMV_CTX_MASK;
assert(is_inter_mode(mode));
if (mode == NEWMV) {
mode_cost = x->newmv_mode_cost[mode_ctx][0];
return mode_cost;
} else {
mode_cost = x->newmv_mode_cost[mode_ctx][1];
mode_ctx = (mode_context >> GLOBALMV_OFFSET) & GLOBALMV_CTX_MASK;
if (mode == GLOBALMV) {
mode_cost += x->zeromv_mode_cost[mode_ctx][0];
return mode_cost;
} else {
mode_cost += x->zeromv_mode_cost[mode_ctx][1];
mode_ctx = (mode_context >> REFMV_OFFSET) & REFMV_CTX_MASK;
mode_cost += x->refmv_mode_cost[mode_ctx][mode != NEARESTMV];
return mode_cost;
}
}
}
static void newmv_diff_bias(MACROBLOCKD *xd, PREDICTION_MODE this_mode,
RD_STATS *this_rdc, BLOCK_SIZE bsize, int mv_row,
int mv_col, int is_last_frame) {
// Bias against MVs associated with NEWMV mode that are very different from
// top/left neighbors.
if (this_mode == NEWMV) {
int al_mv_average_row;
int al_mv_average_col;
int left_row, left_col;
int row_diff, col_diff;
int above_mv_valid = 0;
int left_mv_valid = 0;
int above_row = 0;
int above_col = 0;
if (xd->above_mbmi) {
above_mv_valid = xd->above_mbmi->mv[0].as_int != INVALID_MV;
above_row = xd->above_mbmi->mv[0].as_mv.row;
above_col = xd->above_mbmi->mv[0].as_mv.col;
}
if (xd->left_mbmi) {
left_mv_valid = xd->left_mbmi->mv[0].as_int != INVALID_MV;
left_row = xd->left_mbmi->mv[0].as_mv.row;
left_col = xd->left_mbmi->mv[0].as_mv.col;
}
if (above_mv_valid && left_mv_valid) {
al_mv_average_row = (above_row + left_row + 1) >> 1;
al_mv_average_col = (above_col + left_col + 1) >> 1;
} else if (above_mv_valid) {
al_mv_average_row = above_row;
al_mv_average_col = above_col;
} else if (left_mv_valid) {
al_mv_average_row = left_row;
al_mv_average_col = left_col;
} else {
al_mv_average_row = al_mv_average_col = 0;
}
row_diff = (al_mv_average_row - mv_row);
col_diff = (al_mv_average_col - mv_col);
if (row_diff > 48 || row_diff < -48 || col_diff > 48 || col_diff < -48) {
if (bsize > BLOCK_32X32)
this_rdc->rdcost = this_rdc->rdcost << 1;
else
this_rdc->rdcost = 5 * this_rdc->rdcost >> 2;
}
}
if (bsize >= BLOCK_16X16 && is_last_frame && mv_row < 16 && mv_row > -16 &&
mv_col < 16 && mv_col > -16)
this_rdc->rdcost = 7 * (this_rdc->rdcost >> 3);
}
void av1_fast_nonrd_pick_inter_mode_sb(AV1_COMP *cpi, TileDataEnc *tile_data,
MACROBLOCK *x, int mi_row, int mi_col,
RD_STATS *rd_cost, BLOCK_SIZE bsize,
PICK_MODE_CONTEXT *ctx,
int64_t best_rd_so_far) {
AV1_COMMON *const cm = &cpi->common;
MACROBLOCKD *const xd = &x->e_mbd;
MB_MODE_INFO *const mi = xd->mi[0];
struct macroblockd_plane *const pd = &xd->plane[0];
BEST_PICKMODE best_pickmode;
int inter_mode_mask[BLOCK_SIZES];
MV_REFERENCE_FRAME ref_frame;
MV_REFERENCE_FRAME usable_ref_frame, second_ref_frame;
int_mv frame_mv[MB_MODE_COUNT][REF_FRAMES];
uint8_t mode_checked[MB_MODE_COUNT][REF_FRAMES];
struct buf_2d yv12_mb[6][MAX_MB_PLANE];
static const int flag_list[5] = { 0, AOM_LAST_FLAG, AOM_LAST2_FLAG,
AOM_LAST3_FLAG, AOM_GOLD_FLAG };
RD_STATS this_rdc, best_rdc;
// var_y and sse_y are saved to be used in skipping checking
int64_t sse_y = UINT_MAX;
const int *const rd_threshes = cpi->rd.threshes[mi->segment_id][bsize];
const int *const rd_thresh_freq_fact = tile_data->thresh_freq_fact[bsize];
InterpFilter filter_ref;
int const_motion[REF_FRAMES] = { 0 };
int ref_frame_skip_mask = 0;
int idx;
int best_pred_sad = INT_MAX;
int best_early_term = 0;
unsigned int ref_costs_single[REF_FRAMES],
ref_costs_comp[REF_FRAMES][REF_FRAMES];
int use_golden_nonzeromv = 1;
int force_skip_low_temp_var = 0;
int skip_ref_find_pred[5] = { 0 };
int64_t best_sse_sofar = INT64_MAX;
int gf_temporal_ref = 0;
const struct segmentation *const seg = &cm->seg;
int comp_modes = 0;
int num_inter_modes = RT_INTER_MODES;
unsigned char segment_id = mi->segment_id;
InterpFilter best_filter = EIGHTTAP_REGULAR;
PRED_BUFFER tmp[4];
DECLARE_ALIGNED(16, uint8_t, pred_buf[3 * 64 * 64]);
PRED_BUFFER *this_mode_pred = NULL;
const int reuse_inter_pred = cpi->sf.reuse_inter_pred_nonrd;
const int bh = block_size_high[bsize];
const int bw = block_size_wide[bsize];
const int pixels_in_block = bh * bw;
struct buf_2d orig_dst = pd->dst;
(void)best_rd_so_far;
init_best_pickmode(&best_pickmode);
for (int i = 0; i < BLOCK_SIZES; ++i) inter_mode_mask[i] = INTER_ALL;
// TODO(kyslov) Move this to Speed Features
inter_mode_mask[BLOCK_128X128] = INTER_NEAREST_NEAR;
x->source_variance = UINT_MAX;
struct scale_factors *const sf_last = get_ref_scale_factors(cm, LAST_FRAME);
struct scale_factors *const sf_golden =
get_ref_scale_factors(cm, GOLDEN_FRAME);
gf_temporal_ref = 1;
// For temporal long term prediction, check that the golden reference
// is same scale as last reference, otherwise disable.
if ((sf_last->x_scale_fp != sf_golden->x_scale_fp) ||
(sf_last->y_scale_fp != sf_golden->y_scale_fp)) {
gf_temporal_ref = 0;
}
av1_collect_neighbors_ref_counts(xd);
av1_count_overlappable_neighbors(cm, xd, mi_row, mi_col);
estimate_ref_frame_costs(cm, xd, x, segment_id, ref_costs_single,
ref_costs_comp);
memset(&mode_checked[0][0], 0, MB_MODE_COUNT * REF_FRAMES);
if (reuse_inter_pred) {
int i;
for (i = 0; i < 3; i++) {
tmp[i].data = &pred_buf[pixels_in_block * i];
tmp[i].stride = bw;
tmp[i].in_use = 0;
}
tmp[3].data = pd->dst.buf;
tmp[3].stride = pd->dst.stride;
tmp[3].in_use = 0;
}
x->skip = 0;
// Instead of using av1_get_pred_context_switchable_interp(xd) to assign
// filter_ref, we use a less strict condition on assigning filter_ref.
// This is to reduce the probabily of entering the flow of not assigning
// filter_ref and then skip filter search.
filter_ref = cm->interp_filter;
// initialize mode decisions
av1_invalid_rd_stats(&best_rdc);
av1_invalid_rd_stats(rd_cost);
mi->sb_type = bsize;
mi->ref_frame[0] = NONE_FRAME;
mi->ref_frame[1] = NONE_FRAME;
x->source_variance =
av1_get_sby_perpixel_variance(cpi, &x->plane[0].src, bsize);
// TODO(kyslov) Refine logic of selecting REF FRAME SET.
// For now only LAST_FRAME is used
#if 0
if (cpi->rc.frames_since_golden == 0 && gf_temporal_ref) {
usable_ref_frame = LAST_FRAME;
} else {
usable_ref_frame = GOLDEN_FRAME;
}
force_skip_low_temp_var = get_force_skip_low_temp_var(&x->variance_low[0],
mi_row, mi_col, bsize);
// If force_skip_low_temp_var is set, and for short circuit mode = 1 and 3,
// skip golden reference.
if (force_skip_low_temp_var) {
usable_ref_frame = LAST_FRAME;
}
if (!((cpi->ref_frame_flags & flag_list[GOLDEN_FRAME]) &&
!force_skip_low_temp_var))
use_golden_nonzeromv = 0;
// If the segment reference frame feature is enabled and it's set to GOLDEN
// reference, then make sure we don't skip checking GOLDEN, this is to
// prevent possibility of not picking any mode.
if (segfeature_active(seg, mi->segment_id, SEG_LVL_REF_FRAME) &&
get_segdata(seg, mi->segment_id, SEG_LVL_REF_FRAME) == GOLDEN_FRAME) {
usable_ref_frame = GOLDEN_FRAME;
skip_ref_find_pred[GOLDEN_FRAME] = 0;
}
#endif
usable_ref_frame = LAST_FRAME;
for (ref_frame = LAST_FRAME; ref_frame <= usable_ref_frame; ++ref_frame) {
// Skip find_predictor if the reference frame is not in the
// ref_frame_flags (i.e., not used as a reference for this frame).
skip_ref_find_pred[ref_frame] =
!(cpi->ref_frame_flags & flag_list[ref_frame]);
if (!skip_ref_find_pred[ref_frame]) {
find_predictors(cpi, x, ref_frame, frame_mv, const_motion,
&ref_frame_skip_mask, flag_list, tile_data, mi_row,
mi_col, yv12_mb, bsize, force_skip_low_temp_var,
comp_modes > 0);
}
}
for (idx = 0; idx < num_inter_modes; ++idx) {
int rate_mv = 0;
int mode_rd_thresh;
int mode_index;
int i;
int64_t this_sse;
int is_skippable;
int this_early_term = 0;
int rd_computed = 0;
int inter_mv_mode = 0;
int skip_this_mv = 0;
int comp_pred = 0;
int force_mv_inter_layer = 0;
PREDICTION_MODE this_mode;
MB_MODE_INFO_EXT *const mbmi_ext = x->mbmi_ext;
second_ref_frame = NONE_FRAME;
this_mode = ref_mode_set[idx].pred_mode;
ref_frame = ref_mode_set[idx].ref_frame;
init_mbmi(mi, idx, cm);
mi->tx_size = AOMMIN(AOMMIN(max_txsize_lookup[bsize],
tx_mode_to_biggest_tx_size[cm->tx_mode]),
TX_16X16);
memset(mi->inter_tx_size, mi->tx_size, sizeof(mi->inter_tx_size));
memset(mi->txk_type, DCT_DCT, sizeof(mi->txk_type[0]) * TXK_TYPE_BUF_LEN);
av1_zero(x->blk_skip);
if (ref_frame > usable_ref_frame) continue;
if (skip_ref_find_pred[ref_frame]) continue;
// If the segment reference frame feature is enabled then do nothing if the
// current ref frame is not allowed.
if (segfeature_active(seg, mi->segment_id, SEG_LVL_REF_FRAME) &&
get_segdata(seg, mi->segment_id, SEG_LVL_REF_FRAME) != (int)ref_frame)
continue;
if (!(cpi->ref_frame_flags & flag_list[ref_frame])) continue;
if (x->source_variance == 0 && frame_mv[this_mode][ref_frame].as_int != 0) {
continue;
}
if (!(inter_mode_mask[bsize] & (1 << this_mode))) continue;
if (const_motion[ref_frame] && this_mode == NEARMV) continue;
// Skip non-zeromv mode search for golden frame if force_skip_low_temp_var
// is set. If nearestmv for golden frame is 0, zeromv mode will be skipped
// later.
if (!force_mv_inter_layer && force_skip_low_temp_var &&
ref_frame == GOLDEN_FRAME &&
frame_mv[this_mode][ref_frame].as_int != 0) {
continue;
}
// TODO(kyslov) Refine logic of pruning reference .
// For now only LAST_FRAME is used
#if 0
if (x->content_state_sb != kVeryHighSad &&
(cpi->sf.short_circuit_low_temp_var >= 2 ||
(cpi->sf.short_circuit_low_temp_var == 1 && bsize == BLOCK_64X64))
&& force_skip_low_temp_var && ref_frame == LAST_FRAME && this_mode ==
NEWMV) { continue;
}
// Disable this drop out case if the ref frame segment level feature is
// enabled for this segment. This is to prevent the possibility that we
end
// up unable to pick any mode.
if (!segfeature_active(seg, mi->segment_id, SEG_LVL_REF_FRAME)) {
if (sf->reference_masking &&
!(frame_mv[this_mode][ref_frame].as_int == 0 &&
ref_frame == LAST_FRAME)) {
if (usable_ref_frame < ALTREF_FRAME) {
if (!force_skip_low_temp_var && usable_ref_frame > LAST_FRAME) {
i = (ref_frame == LAST_FRAME) ? GOLDEN_FRAME : LAST_FRAME;
if ((cpi->ref_frame_flags & flag_list[i]))
if (x->pred_mv_sad[ref_frame] > (x->pred_mv_sad[i] << 1))
ref_frame_skip_mask |= (1 << ref_frame);
}
} else if (!cpi->rc.is_src_frame_alt_ref &&
!(frame_mv[this_mode][ref_frame].as_int == 0 &&
ref_frame == ALTREF_FRAME)) {
int ref1 = (ref_frame == GOLDEN_FRAME) ? LAST_FRAME :
GOLDEN_FRAME; int ref2 = (ref_frame == ALTREF_FRAME) ? LAST_FRAME :
ALTREF_FRAME; if (((cpi->ref_frame_flags & flag_list[ref1]) &&
(x->pred_mv_sad[ref_frame] > (x->pred_mv_sad[ref1] << 1))) ||
((cpi->ref_frame_flags & flag_list[ref2]) &&
(x->pred_mv_sad[ref_frame] > (x->pred_mv_sad[ref2] << 1))))
ref_frame_skip_mask |= (1 << ref_frame);
}
}
if (ref_frame_skip_mask & (1 << ref_frame)) continue;
}
#endif
// Select prediction reference frames.
for (i = 0; i < MAX_MB_PLANE; i++) {
xd->plane[i].pre[0] = yv12_mb[ref_frame][i];
}
mi->ref_frame[0] = ref_frame;
mi->ref_frame[1] = second_ref_frame;
set_ref_ptrs(cm, xd, ref_frame, second_ref_frame);
mode_index = mode_idx[ref_frame][INTER_OFFSET(this_mode)];
mode_rd_thresh = best_pickmode.best_mode_skip_txfm
? rd_threshes[mode_index] << 1
: rd_threshes[mode_index];
if (rd_less_than_thresh(best_rdc.rdcost, mode_rd_thresh,
rd_thresh_freq_fact[mode_index]))
if (frame_mv[this_mode][ref_frame].as_int != 0) continue;
if (this_mode == NEWMV && !force_mv_inter_layer) {
if (search_new_mv(cpi, x, frame_mv, ref_frame, gf_temporal_ref, bsize,
mi_row, mi_col, best_pred_sad, &rate_mv, best_sse_sofar,
&best_rdc))
continue;
}
for (inter_mv_mode = NEARESTMV; inter_mv_mode <= NEWMV; inter_mv_mode++) {
if (inter_mv_mode == this_mode || comp_pred) continue;
if (mode_checked[inter_mv_mode][ref_frame] &&
frame_mv[this_mode][ref_frame].as_int ==
frame_mv[inter_mv_mode][ref_frame].as_int &&
frame_mv[inter_mv_mode][ref_frame].as_int == 0) {
skip_this_mv = 1;
break;
}
}
if (skip_this_mv) continue;
// If use_golden_nonzeromv is false, NEWMV mode is skipped for golden, no
// need to compute best_pred_sad which is only used to skip golden NEWMV.
if (use_golden_nonzeromv && this_mode == NEWMV && ref_frame == LAST_FRAME &&
frame_mv[NEWMV][LAST_FRAME].as_int != INVALID_MV) {
const int pre_stride = xd->plane[0].pre[0].stride;
const uint8_t *const pre_buf =
xd->plane[0].pre[0].buf +
(frame_mv[NEWMV][LAST_FRAME].as_mv.row >> 3) * pre_stride +
(frame_mv[NEWMV][LAST_FRAME].as_mv.col >> 3);
best_pred_sad = cpi->fn_ptr[bsize].sdf(
x->plane[0].src.buf, x->plane[0].src.stride, pre_buf, pre_stride);
x->pred_mv_sad[LAST_FRAME] = best_pred_sad;
}
if (this_mode != NEARESTMV && !comp_pred &&
frame_mv[this_mode][ref_frame].as_int ==
frame_mv[NEARESTMV][ref_frame].as_int)
continue;
mi->mode = this_mode;
mi->mv[0].as_int = frame_mv[this_mode][ref_frame].as_int;
mi->mv[1].as_int = 0;
if (reuse_inter_pred) {
if (!this_mode_pred) {
this_mode_pred = &tmp[3];
} else {
this_mode_pred = &tmp[get_pred_buffer(tmp, 3)];
pd->dst.buf = this_mode_pred->data;
pd->dst.stride = bw;
}
}
// TODO(kyslov) bring back filter search
mi->interp_filters =
(filter_ref == SWITCHABLE) ? EIGHTTAP_REGULAR : filter_ref;
av1_enc_build_inter_predictor(cm, xd, mi_row, mi_col, NULL, bsize,
AOM_PLANE_Y, AOM_PLANE_Y);
// TODO(kyslov) For large partition blocks, extra testing needs to be done
rd_computed = 1;
model_rd_for_sb(cpi, bsize, x, xd, AOM_PLANE_Y, AOM_PLANE_Y, mi_row, mi_col,
&this_rdc.rate, &this_rdc.dist, &this_rdc.skip, NULL, NULL,
&sse_y, NULL);
if (sse_y < best_sse_sofar) best_sse_sofar = sse_y;
const int skip_ctx = av1_get_skip_context(xd);
const int skip_cost = x->skip_cost[skip_ctx][1];
this_sse = (int64_t)sse_y;
block_yrd(cpi, x, mi_row, mi_col, &this_rdc, &is_skippable, &this_sse,
bsize, mi->tx_size, rd_computed);
x->skip = is_skippable;
if (is_skippable) {
this_rdc.rate = skip_cost;
} else {
if (RDCOST(x->rdmult, this_rdc.rate, this_rdc.dist) >=
RDCOST(x->rdmult, 0, this_sse)) {
x->skip = 1;
this_rdc.rate = skip_cost;
this_rdc.dist = this_sse;
}
}
// TODO(kyslov) account for UV prediction cost
this_rdc.rate += rate_mv;
const int16_t mode_ctx =
av1_mode_context_analyzer(mbmi_ext->mode_context, mi->ref_frame);
this_rdc.rate += cost_mv_ref(x, this_mode, mode_ctx);
this_rdc.rate += ref_costs_single[ref_frame];
this_rdc.rdcost = RDCOST(x->rdmult, this_rdc.rate, this_rdc.dist);
if (cpi->oxcf.rc_mode == AOM_CBR && cpi->oxcf.speed >= 8) {
newmv_diff_bias(xd, this_mode, &this_rdc, bsize,
frame_mv[this_mode][ref_frame].as_mv.row,
frame_mv[this_mode][ref_frame].as_mv.col,
ref_frame == LAST_FRAME);
}
mode_checked[this_mode][ref_frame] = 1;
if (this_rdc.rdcost < best_rdc.rdcost) {
best_rdc = this_rdc;
best_early_term = this_early_term;
best_pickmode.best_mode = this_mode;
best_pickmode.best_pred_filter = mi->interp_filters;
best_pickmode.best_tx_size = mi->tx_size;
best_pickmode.best_ref_frame = ref_frame;
best_pickmode.best_mode_skip_txfm = x->skip;
best_pickmode.best_second_ref_frame = second_ref_frame;
if (reuse_inter_pred) {
free_pred_buffer(best_pickmode.best_pred);
best_pickmode.best_pred = this_mode_pred;
}
} else {
if (reuse_inter_pred) free_pred_buffer(this_mode_pred);
}
if (best_early_term && idx > 0) {
x->skip = 1;
break;
}
}
mi->mode = best_pickmode.best_mode;
mi->interp_filters = av1_broadcast_interp_filter(best_filter);
mi->tx_size = best_pickmode.best_tx_size;
mi->ref_frame[0] = best_pickmode.best_ref_frame;
mi->mv[0].as_int =
frame_mv[best_pickmode.best_mode][best_pickmode.best_ref_frame].as_int;
mi->ref_frame[1] = best_pickmode.best_second_ref_frame;
pd->dst = orig_dst;
if (reuse_inter_pred && best_pickmode.best_pred != NULL) {
PRED_BUFFER *const best_pred = best_pickmode.best_pred;
if (best_pred->data != orig_dst.buf && is_inter_mode(mi->mode)) {
aom_convolve_copy(best_pred->data, best_pred->stride, pd->dst.buf,
pd->dst.stride, 0, 0, 0, 0, bw, bh);
}
}
store_coding_context(x, ctx, mi->mode);
*rd_cost = best_rdc;
}