av1/encoder/rd.h - aom - Git at Google


            
            /*

            
             * 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.

            
             */


            #ifndef AOM_AV1_ENCODER_RD_H_

            
            #define AOM_AV1_ENCODER_RD_H_


            #include <limits.h>


            #include "av1/common/blockd.h"


            #include "av1/encoder/block.h"

            
            #include "av1/encoder/context_tree.h"

            
            #include "av1/encoder/cost.h"


            #ifdef __cplusplus

            
            extern "C" {

            
            #endif


            #define RDDIV_BITS 7

            
            #define RD_EPB_SHIFT 6


            #define RDCOST(RM, R, D)                                            \

            
              (ROUND_POWER_OF_TWO(((int64_t)(R)) * (RM), AV1_PROB_COST_SHIFT) + \

            
               ((D) * (1 << RDDIV_BITS)))


            #define RDCOST_NEG_R(RM, R, D) \

            
              (((D) * (1 << RDDIV_BITS)) - \

            
               ROUND_POWER_OF_TWO(((int64_t)(R)) * (RM), AV1_PROB_COST_SHIFT))


            #define RDCOST_DBL(RM, R, D)                                       \

            
              (((((double)(R)) * (RM)) / (double)(1 << AV1_PROB_COST_SHIFT)) + \

            
               ((double)(D) * (1 << RDDIV_BITS)))


            #define QIDX_SKIP_THRESH 115


            #define MV_COST_WEIGHT 108

            
            #define MV_COST_WEIGHT_SUB 120


            #define RD_THRESH_MAX_FACT 64

            
            #define RD_THRESH_INC 1


            // Factor to weigh the rate for switchable interp filters.

            
            #define SWITCHABLE_INTERP_RATE_FACTOR 1


            enum {

            
              // Default initialization

            
              DEFAULT_EVAL = 0,

            
              // Initialization for default mode evaluation

            
              MODE_EVAL,

            
              // Initialization for winner mode evaluation

            
              WINNER_MODE_EVAL,

            
              // All mode evaluation types

            
              MODE_EVAL_TYPES,

            
            } UENUM1BYTE(MODE_EVAL_TYPE);


            typedef struct RD_OPT {

            
              // Thresh_mult is used to set a threshold for the rd score. A higher value

            
              // means that we will accept the best mode so far more often. This number

            
              // is used in combination with the current block size, and thresh_freq_fact

            
              // to pick a threshold.

            
              int thresh_mult[MAX_MODES];


              int threshes[MAX_SEGMENTS][BLOCK_SIZES_ALL][MAX_MODES];


              int RDMULT;


              double r0, arf_r0;

            
            #if !USE_TPL_CLASSIC_MODEL

            
              double mc_saved_base, mc_count_base;

            
            #endif  // !USE_TPL_CLASSIC_MODEL

            
            } RD_OPT;


            static INLINE void av1_init_rd_stats(RD_STATS *rd_stats) {

            
            #if CONFIG_RD_DEBUG

            
              int plane;

            
            #endif

            
              rd_stats->rate = 0;

            
              rd_stats->dist = 0;

            
              rd_stats->rdcost = 0;

            
              rd_stats->sse = 0;

            
              rd_stats->skip = 1;

            
              rd_stats->zero_rate = 0;

            
            #if CONFIG_RD_DEBUG

            
              // This may run into problems when monochrome video is

            
              // encoded, as there will only be 1 plane

            
              for (plane = 0; plane < MAX_MB_PLANE; ++plane) {

            
                rd_stats->txb_coeff_cost[plane] = 0;

            
                {

            
                  int r, c;

            
                  for (r = 0; r < TXB_COEFF_COST_MAP_SIZE; ++r)

            
                    for (c = 0; c < TXB_COEFF_COST_MAP_SIZE; ++c)

            
                      rd_stats->txb_coeff_cost_map[plane][r][c] = 0;

            
                }

            
              }

            
            #endif

            
            }


            static INLINE void av1_invalid_rd_stats(RD_STATS *rd_stats) {

            
            #if CONFIG_RD_DEBUG

            
              int plane;

            
            #endif

            
              rd_stats->rate = INT_MAX;

            
              rd_stats->dist = INT64_MAX;

            
              rd_stats->rdcost = INT64_MAX;

            
              rd_stats->sse = INT64_MAX;

            
              rd_stats->skip = 0;

            
              rd_stats->zero_rate = 0;

            
            #if CONFIG_RD_DEBUG

            
              // This may run into problems when monochrome video is

            
              // encoded, as there will only be 1 plane

            
              for (plane = 0; plane < MAX_MB_PLANE; ++plane) {

            
                rd_stats->txb_coeff_cost[plane] = INT_MAX;

            
                {

            
                  int r, c;

            
                  for (r = 0; r < TXB_COEFF_COST_MAP_SIZE; ++r)

            
                    for (c = 0; c < TXB_COEFF_COST_MAP_SIZE; ++c)

            
                      rd_stats->txb_coeff_cost_map[plane][r][c] = INT_MAX;

            
                }

            
              }

            
            #endif

            
            }


            static INLINE void av1_merge_rd_stats(RD_STATS *rd_stats_dst,

            
                                                  const RD_STATS *rd_stats_src) {

            
              assert(rd_stats_dst->rate != INT_MAX && rd_stats_src->rate != INT_MAX);

            
              rd_stats_dst->rate = (int)AOMMIN(

            
                  ((int64_t)rd_stats_dst->rate + (int64_t)rd_stats_src->rate), INT_MAX);

            
              if (!rd_stats_dst->zero_rate)

            
                rd_stats_dst->zero_rate = rd_stats_src->zero_rate;

            
              rd_stats_dst->dist += rd_stats_src->dist;

            
              rd_stats_dst->sse += rd_stats_src->sse;

            
              rd_stats_dst->skip &= rd_stats_src->skip;

            
            #if CONFIG_RD_DEBUG

            
              // This may run into problems when monochrome video is

            
              // encoded, as there will only be 1 plane

            
              for (int plane = 0; plane < MAX_MB_PLANE; ++plane) {

            
                rd_stats_dst->txb_coeff_cost[plane] += rd_stats_src->txb_coeff_cost[plane];

            
                {

            
                  // TODO(angiebird): optimize this part

            
                  int r, c;

            
                  int ref_txb_coeff_cost = 0;

            
                  for (r = 0; r < TXB_COEFF_COST_MAP_SIZE; ++r)

            
                    for (c = 0; c < TXB_COEFF_COST_MAP_SIZE; ++c) {

            
                      rd_stats_dst->txb_coeff_cost_map[plane][r][c] +=

            
                          rd_stats_src->txb_coeff_cost_map[plane][r][c];

            
                      ref_txb_coeff_cost += rd_stats_dst->txb_coeff_cost_map[plane][r][c];

            
                    }

            
                  assert(ref_txb_coeff_cost == rd_stats_dst->txb_coeff_cost[plane]);

            
                }

            
              }

            
            #endif

            
            }


            static INLINE void av1_accumulate_rd_stats(RD_STATS *rd_stats, int64_t dist,

            
                                                       int rate, int skip, int64_t sse,

            
                                                       int zero_rate) {

            
              assert(rd_stats->rate != INT_MAX && rate != INT_MAX);

            
              rd_stats->rate += rate;

            
              if (!rd_stats->zero_rate) rd_stats->zero_rate = zero_rate;

            
              rd_stats->dist += dist;

            
              rd_stats->skip &= skip;

            
              rd_stats->sse += sse;

            
            }


            static INLINE int64_t av1_calculate_rd_cost(int mult, int rate, int64_t dist) {

            
              assert(mult >= 0);

            
              if (rate >= 0) {

            
                return RDCOST(mult, rate, dist);

            
              }

            
              return RDCOST_NEG_R(mult, -rate, dist);

            
            }


            static INLINE void av1_rd_cost_update(int mult, RD_STATS *rd_cost) {

            
              if (rd_cost->rate < INT_MAX && rd_cost->dist < INT64_MAX &&

            
                  rd_cost->rdcost < INT64_MAX) {

            
                rd_cost->rdcost = av1_calculate_rd_cost(mult, rd_cost->rate, rd_cost->dist);

            
              } else {

            
                av1_invalid_rd_stats(rd_cost);

            
              }

            
            }


            static INLINE void av1_rd_stats_subtraction(int mult,

            
                                                        const RD_STATS *const left,

            
                                                        const RD_STATS *const right,

            
                                                        RD_STATS *result) {

            
              if (left->rate == INT_MAX || right->rate == INT_MAX ||

            
                  left->dist == INT64_MAX || right->dist == INT64_MAX ||

            
                  left->rdcost == INT64_MAX || right->rdcost == INT64_MAX) {

            
                av1_invalid_rd_stats(result);

            
              } else {

            
                result->rate = left->rate - right->rate;

            
                result->dist = left->dist - right->dist;

            
                result->rdcost = av1_calculate_rd_cost(mult, result->rate, result->dist);

            
              }

            
            }


            struct TileInfo;

            
            struct TileDataEnc;

            
            struct AV1_COMP;

            
            struct macroblock;


            int av1_compute_rd_mult_based_on_qindex(const struct AV1_COMP *cpi, int qindex);


            int av1_compute_rd_mult(const struct AV1_COMP *cpi, int qindex);


            void av1_initialize_rd_consts(struct AV1_COMP *cpi);


            void av1_initialize_me_consts(const struct AV1_COMP *cpi, MACROBLOCK *x,

            
                                          int qindex);


            void av1_model_rd_from_var_lapndz(int64_t var, unsigned int n,

            
                                              unsigned int qstep, int *rate, int64_t *dist);


            void av1_model_rd_curvfit(BLOCK_SIZE bsize, double sse_norm, double xqr,

            
                                      double *rate_f, double *distbysse_f);

            
            void av1_model_rd_surffit(BLOCK_SIZE bsize, double sse_norm, double xm,

            
                                      double yl, double *rate_f, double *distbysse_f);


            int av1_get_switchable_rate(const AV1_COMMON *const cm, MACROBLOCK *x,

            
                                        const MACROBLOCKD *xd);


            int av1_raster_block_offset(BLOCK_SIZE plane_bsize, int raster_block,

            
                                        int stride);


            int16_t *av1_raster_block_offset_int16(BLOCK_SIZE plane_bsize, int raster_block,

            
                                                   int16_t *base);


            YV12_BUFFER_CONFIG *av1_get_scaled_ref_frame(const struct AV1_COMP *cpi,

            
                                                         int ref_frame);


            void av1_init_me_luts(void);


            void av1_set_mvcost(MACROBLOCK *x, int ref, int ref_mv_idx);


            void av1_get_entropy_contexts(BLOCK_SIZE bsize,

            
                                          const struct macroblockd_plane *pd,

            
                                          ENTROPY_CONTEXT t_above[MAX_MIB_SIZE],

            
                                          ENTROPY_CONTEXT t_left[MAX_MIB_SIZE]);


            void av1_set_rd_speed_thresholds(struct AV1_COMP *cpi);


            void av1_update_rd_thresh_fact(const AV1_COMMON *const cm,

            
                                           int (*fact)[MAX_MODES], int rd_thresh, int bsize,

            
                                           int best_mode_index);


            static INLINE int rd_less_than_thresh(int64_t best_rd, int thresh,

            
                                                  int thresh_fact) {

            
              return best_rd < ((int64_t)thresh * thresh_fact >> 5) || thresh == INT_MAX;

            
            }


            void av1_mv_pred(const struct AV1_COMP *cpi, MACROBLOCK *x,

            
                             uint8_t *ref_y_buffer, int ref_y_stride, int ref_frame,

            
                             BLOCK_SIZE block_size);


            static INLINE void set_error_per_bit(MACROBLOCK *x, int rdmult) {

            
              x->errorperbit = rdmult >> RD_EPB_SHIFT;

            
              x->errorperbit += (x->errorperbit == 0);

            
            }


            // Get the threshold for R-D optimization of coefficients depending upon mode

            
            // decision/winner mode processing

            
            static INLINE uint32_t get_rd_opt_coeff_thresh(

            
                const uint32_t *const coeff_opt_dist_threshold,

            
                int enable_winner_mode_for_coeff_opt, int is_winner_mode) {

            
              // Default initialization of threshold

            
              uint32_t coeff_opt_thresh = coeff_opt_dist_threshold[DEFAULT_EVAL];

            
              // TODO(any): Experiment with coeff_opt_dist_threshold values when

            
              // enable_winner_mode_for_coeff_opt is ON

            
              // TODO(any): Skip the winner mode processing for blocks with lower residual

            
              // energy as R-D optimization of coefficients would have been enabled during

            
              // mode decision

            
              if (enable_winner_mode_for_coeff_opt) {

            
                // Use conservative threshold during mode decision and perform R-D

            
                // optimization of coeffs always for winner modes

            
                if (is_winner_mode)

            
                  coeff_opt_thresh = coeff_opt_dist_threshold[WINNER_MODE_EVAL];

            
                else

            
                  coeff_opt_thresh = coeff_opt_dist_threshold[MODE_EVAL];

            
              }

            
              return coeff_opt_thresh;

            
            }


            void av1_setup_pred_block(const MACROBLOCKD *xd,

            
                                      struct buf_2d dst[MAX_MB_PLANE],

            
                                      const YV12_BUFFER_CONFIG *src, int mi_row, int mi_col,

            
                                      const struct scale_factors *scale,

            
                                      const struct scale_factors *scale_uv,

            
                                      const int num_planes);


            int av1_get_intra_cost_penalty(int qindex, int qdelta,

            
                                           aom_bit_depth_t bit_depth);


            void av1_fill_mode_rates(AV1_COMMON *const cm, MACROBLOCK *x,

            
                                     FRAME_CONTEXT *fc);


            void av1_fill_coeff_costs(MACROBLOCK *x, FRAME_CONTEXT *fc,

            
                                      const int num_planes);


            void av1_fill_mv_costs(const FRAME_CONTEXT *fc, int integer_mv, int usehp,

            
                                   MACROBLOCK *x);


            int av1_get_adaptive_rdmult(const struct AV1_COMP *cpi, double beta);


            int av1_get_deltaq_offset(const struct AV1_COMP *cpi, int qindex, double beta);


            #ifdef __cplusplus

            
            }  // extern "C"

            
            #endif


            #endif  // AOM_AV1_ENCODER_RD_H_
	/*
	* 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.
	*/

	#ifndef AOM_AV1_ENCODER_RD_H_
	#define AOM_AV1_ENCODER_RD_H_

	#include <limits.h>

	#include "av1/common/blockd.h"

	#include "av1/encoder/block.h"
	#include "av1/encoder/context_tree.h"
	#include "av1/encoder/cost.h"

	#ifdef __cplusplus
	extern "C" {
	#endif

	#define RDDIV_BITS 7
	#define RD_EPB_SHIFT 6

	#define RDCOST(RM, R, D) \
	(ROUND_POWER_OF_TWO(((int64_t)(R)) * (RM), AV1_PROB_COST_SHIFT) + \
	((D) * (1 << RDDIV_BITS)))

	#define RDCOST_NEG_R(RM, R, D) \
	(((D) * (1 << RDDIV_BITS)) - \
	ROUND_POWER_OF_TWO(((int64_t)(R)) * (RM), AV1_PROB_COST_SHIFT))

	#define RDCOST_DBL(RM, R, D) \
	(((((double)(R)) * (RM)) / (double)(1 << AV1_PROB_COST_SHIFT)) + \
	((double)(D) * (1 << RDDIV_BITS)))

	#define QIDX_SKIP_THRESH 115

	#define MV_COST_WEIGHT 108
	#define MV_COST_WEIGHT_SUB 120

	#define RD_THRESH_MAX_FACT 64
	#define RD_THRESH_INC 1

	// Factor to weigh the rate for switchable interp filters.
	#define SWITCHABLE_INTERP_RATE_FACTOR 1

	enum {
	// Default initialization
	DEFAULT_EVAL = 0,
	// Initialization for default mode evaluation
	MODE_EVAL,
	// Initialization for winner mode evaluation
	WINNER_MODE_EVAL,
	// All mode evaluation types
	MODE_EVAL_TYPES,
	} UENUM1BYTE(MODE_EVAL_TYPE);

	typedef struct RD_OPT {
	// Thresh_mult is used to set a threshold for the rd score. A higher value
	// means that we will accept the best mode so far more often. This number
	// is used in combination with the current block size, and thresh_freq_fact
	// to pick a threshold.
	int thresh_mult[MAX_MODES];

	int threshes[MAX_SEGMENTS][BLOCK_SIZES_ALL][MAX_MODES];

	int RDMULT;

	double r0, arf_r0;
	#if !USE_TPL_CLASSIC_MODEL
	double mc_saved_base, mc_count_base;
	#endif // !USE_TPL_CLASSIC_MODEL
	} RD_OPT;

	static INLINE void av1_init_rd_stats(RD_STATS *rd_stats) {
	#if CONFIG_RD_DEBUG
	int plane;
	#endif
	rd_stats->rate = 0;
	rd_stats->dist = 0;
	rd_stats->rdcost = 0;
	rd_stats->sse = 0;
	rd_stats->skip = 1;
	rd_stats->zero_rate = 0;
	#if CONFIG_RD_DEBUG
	// This may run into problems when monochrome video is
	// encoded, as there will only be 1 plane
	for (plane = 0; plane < MAX_MB_PLANE; ++plane) {
	rd_stats->txb_coeff_cost[plane] = 0;
	{
	int r, c;
	for (r = 0; r < TXB_COEFF_COST_MAP_SIZE; ++r)
	for (c = 0; c < TXB_COEFF_COST_MAP_SIZE; ++c)
	rd_stats->txb_coeff_cost_map[plane][r][c] = 0;
	}
	}
	#endif
	}

	static INLINE void av1_invalid_rd_stats(RD_STATS *rd_stats) {
	#if CONFIG_RD_DEBUG
	int plane;
	#endif
	rd_stats->rate = INT_MAX;
	rd_stats->dist = INT64_MAX;
	rd_stats->rdcost = INT64_MAX;
	rd_stats->sse = INT64_MAX;
	rd_stats->skip = 0;
	rd_stats->zero_rate = 0;
	#if CONFIG_RD_DEBUG
	// This may run into problems when monochrome video is
	// encoded, as there will only be 1 plane
	for (plane = 0; plane < MAX_MB_PLANE; ++plane) {
	rd_stats->txb_coeff_cost[plane] = INT_MAX;
	{
	int r, c;
	for (r = 0; r < TXB_COEFF_COST_MAP_SIZE; ++r)
	for (c = 0; c < TXB_COEFF_COST_MAP_SIZE; ++c)
	rd_stats->txb_coeff_cost_map[plane][r][c] = INT_MAX;
	}
	}
	#endif
	}

	static INLINE void av1_merge_rd_stats(RD_STATS *rd_stats_dst,
	const RD_STATS *rd_stats_src) {
	assert(rd_stats_dst->rate != INT_MAX && rd_stats_src->rate != INT_MAX);
	rd_stats_dst->rate = (int)AOMMIN(
	((int64_t)rd_stats_dst->rate + (int64_t)rd_stats_src->rate), INT_MAX);
	if (!rd_stats_dst->zero_rate)
	rd_stats_dst->zero_rate = rd_stats_src->zero_rate;
	rd_stats_dst->dist += rd_stats_src->dist;
	rd_stats_dst->sse += rd_stats_src->sse;
	rd_stats_dst->skip &= rd_stats_src->skip;
	#if CONFIG_RD_DEBUG
	// This may run into problems when monochrome video is
	// encoded, as there will only be 1 plane
	for (int plane = 0; plane < MAX_MB_PLANE; ++plane) {
	rd_stats_dst->txb_coeff_cost[plane] += rd_stats_src->txb_coeff_cost[plane];
	{
	// TODO(angiebird): optimize this part
	int r, c;
	int ref_txb_coeff_cost = 0;
	for (r = 0; r < TXB_COEFF_COST_MAP_SIZE; ++r)
	for (c = 0; c < TXB_COEFF_COST_MAP_SIZE; ++c) {
	rd_stats_dst->txb_coeff_cost_map[plane][r][c] +=
	rd_stats_src->txb_coeff_cost_map[plane][r][c];
	ref_txb_coeff_cost += rd_stats_dst->txb_coeff_cost_map[plane][r][c];
	}
	assert(ref_txb_coeff_cost == rd_stats_dst->txb_coeff_cost[plane]);
	}
	}
	#endif
	}

	static INLINE void av1_accumulate_rd_stats(RD_STATS *rd_stats, int64_t dist,
	int rate, int skip, int64_t sse,
	int zero_rate) {
	assert(rd_stats->rate != INT_MAX && rate != INT_MAX);
	rd_stats->rate += rate;
	if (!rd_stats->zero_rate) rd_stats->zero_rate = zero_rate;
	rd_stats->dist += dist;
	rd_stats->skip &= skip;
	rd_stats->sse += sse;
	}

	static INLINE int64_t av1_calculate_rd_cost(int mult, int rate, int64_t dist) {
	assert(mult >= 0);
	if (rate >= 0) {
	return RDCOST(mult, rate, dist);
	}
	return RDCOST_NEG_R(mult, -rate, dist);
	}

	static INLINE void av1_rd_cost_update(int mult, RD_STATS *rd_cost) {
	if (rd_cost->rate < INT_MAX && rd_cost->dist < INT64_MAX &&
	rd_cost->rdcost < INT64_MAX) {
	rd_cost->rdcost = av1_calculate_rd_cost(mult, rd_cost->rate, rd_cost->dist);
	} else {
	av1_invalid_rd_stats(rd_cost);
	}
	}

	static INLINE void av1_rd_stats_subtraction(int mult,
	const RD_STATS *const left,
	const RD_STATS *const right,
	RD_STATS *result) {
	if (left->rate == INT_MAX \|\| right->rate == INT_MAX \|\|
	left->dist == INT64_MAX \|\| right->dist == INT64_MAX \|\|
	left->rdcost == INT64_MAX \|\| right->rdcost == INT64_MAX) {
	av1_invalid_rd_stats(result);
	} else {
	result->rate = left->rate - right->rate;
	result->dist = left->dist - right->dist;
	result->rdcost = av1_calculate_rd_cost(mult, result->rate, result->dist);
	}
	}

	struct TileInfo;
	struct TileDataEnc;
	struct AV1_COMP;
	struct macroblock;

	int av1_compute_rd_mult_based_on_qindex(const struct AV1_COMP *cpi, int qindex);

	int av1_compute_rd_mult(const struct AV1_COMP *cpi, int qindex);

	void av1_initialize_rd_consts(struct AV1_COMP *cpi);

	void av1_initialize_me_consts(const struct AV1_COMP cpi, MACROBLOCK x,
	int qindex);

	void av1_model_rd_from_var_lapndz(int64_t var, unsigned int n,
	unsigned int qstep, int rate, int64_t dist);

	void av1_model_rd_curvfit(BLOCK_SIZE bsize, double sse_norm, double xqr,
	double rate_f, double distbysse_f);
	void av1_model_rd_surffit(BLOCK_SIZE bsize, double sse_norm, double xm,
	double yl, double rate_f, double distbysse_f);

	int av1_get_switchable_rate(const AV1_COMMON const cm, MACROBLOCK x,
	const MACROBLOCKD *xd);

	int av1_raster_block_offset(BLOCK_SIZE plane_bsize, int raster_block,
	int stride);

	int16_t *av1_raster_block_offset_int16(BLOCK_SIZE plane_bsize, int raster_block,
	int16_t *base);

	YV12_BUFFER_CONFIG av1_get_scaled_ref_frame(const struct AV1_COMP cpi,
	int ref_frame);

	void av1_init_me_luts(void);

	void av1_set_mvcost(MACROBLOCK *x, int ref, int ref_mv_idx);

	void av1_get_entropy_contexts(BLOCK_SIZE bsize,
	const struct macroblockd_plane *pd,
	ENTROPY_CONTEXT t_above[MAX_MIB_SIZE],
	ENTROPY_CONTEXT t_left[MAX_MIB_SIZE]);

	void av1_set_rd_speed_thresholds(struct AV1_COMP *cpi);

	void av1_update_rd_thresh_fact(const AV1_COMMON *const cm,
	int (*fact)[MAX_MODES], int rd_thresh, int bsize,
	int best_mode_index);

	static INLINE int rd_less_than_thresh(int64_t best_rd, int thresh,
	int thresh_fact) {
	return best_rd < ((int64_t)thresh * thresh_fact >> 5) \|\| thresh == INT_MAX;
	}

	void av1_mv_pred(const struct AV1_COMP cpi, MACROBLOCK x,
	uint8_t *ref_y_buffer, int ref_y_stride, int ref_frame,
	BLOCK_SIZE block_size);

	static INLINE void set_error_per_bit(MACROBLOCK *x, int rdmult) {
	x->errorperbit = rdmult >> RD_EPB_SHIFT;
	x->errorperbit += (x->errorperbit == 0);
	}

	// Get the threshold for R-D optimization of coefficients depending upon mode
	// decision/winner mode processing
	static INLINE uint32_t get_rd_opt_coeff_thresh(
	const uint32_t *const coeff_opt_dist_threshold,
	int enable_winner_mode_for_coeff_opt, int is_winner_mode) {
	// Default initialization of threshold
	uint32_t coeff_opt_thresh = coeff_opt_dist_threshold[DEFAULT_EVAL];
	// TODO(any): Experiment with coeff_opt_dist_threshold values when
	// enable_winner_mode_for_coeff_opt is ON
	// TODO(any): Skip the winner mode processing for blocks with lower residual
	// energy as R-D optimization of coefficients would have been enabled during
	// mode decision
	if (enable_winner_mode_for_coeff_opt) {
	// Use conservative threshold during mode decision and perform R-D
	// optimization of coeffs always for winner modes
	if (is_winner_mode)
	coeff_opt_thresh = coeff_opt_dist_threshold[WINNER_MODE_EVAL];
	else
	coeff_opt_thresh = coeff_opt_dist_threshold[MODE_EVAL];
	}
	return coeff_opt_thresh;
	}

	void av1_setup_pred_block(const MACROBLOCKD *xd,
	struct buf_2d dst[MAX_MB_PLANE],
	const YV12_BUFFER_CONFIG *src, int mi_row, int mi_col,
	const struct scale_factors *scale,
	const struct scale_factors *scale_uv,
	const int num_planes);

	int av1_get_intra_cost_penalty(int qindex, int qdelta,
	aom_bit_depth_t bit_depth);

	void av1_fill_mode_rates(AV1_COMMON const cm, MACROBLOCK x,
	FRAME_CONTEXT *fc);

	void av1_fill_coeff_costs(MACROBLOCK x, FRAME_CONTEXT fc,
	const int num_planes);

	void av1_fill_mv_costs(const FRAME_CONTEXT *fc, int integer_mv, int usehp,
	MACROBLOCK *x);

	int av1_get_adaptive_rdmult(const struct AV1_COMP *cpi, double beta);

	int av1_get_deltaq_offset(const struct AV1_COMP *cpi, int qindex, double beta);

	#ifdef __cplusplus
	} // extern "C"
	#endif

	#endif // AOM_AV1_ENCODER_RD_H_