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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.
*/
#ifndef VP9_ENCODER_VP9_RD_H_
#define VP9_ENCODER_VP9_RD_H_
#include <limits.h>
#include "vp9/common/vp9_blockd.h"
#include "vp9/encoder/vp9_block.h"
#include "vp9/encoder/vp9_context_tree.h"
#ifdef __cplusplus
extern "C" {
#endif
#define RDDIV_BITS 7
#define RDCOST(RM, DM, R, D) \
(((128 + ((int64_t)R) * (RM)) >> 8) + (D << DM))
#define QIDX_SKIP_THRESH 115
#define MV_COST_WEIGHT 108
#define MV_COST_WEIGHT_SUB 120
#define INVALID_MV 0x80008000
#define MAX_MODES 30
#define MAX_REFS 6
// This enumerator type needs to be kept aligned with the mode order in
// const MODE_DEFINITION vp9_mode_order[MAX_MODES] used in the rd code.
typedef enum {
THR_NEARESTMV,
THR_NEARESTA,
THR_NEARESTG,
THR_DC,
THR_NEWMV,
THR_NEWA,
THR_NEWG,
THR_NEARMV,
THR_NEARA,
THR_NEARG,
THR_ZEROMV,
THR_ZEROG,
THR_ZEROA,
THR_COMP_NEARESTLA,
THR_COMP_NEARESTGA,
THR_TM,
THR_COMP_NEARLA,
THR_COMP_NEWLA,
THR_COMP_NEARGA,
THR_COMP_NEWGA,
THR_COMP_ZEROLA,
THR_COMP_ZEROGA,
THR_H_PRED,
THR_V_PRED,
THR_D135_PRED,
THR_D207_PRED,
THR_D153_PRED,
THR_D63_PRED,
THR_D117_PRED,
THR_D45_PRED,
} THR_MODES;
typedef enum {
THR_LAST,
THR_GOLD,
THR_ALTR,
THR_COMP_LA,
THR_COMP_GA,
THR_INTRA,
} THR_MODES_SUB8X8;
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 thresh_mult_sub8x8[MAX_REFS];
int threshes[MAX_SEGMENTS][BLOCK_SIZES][MAX_MODES];
int thresh_freq_fact[BLOCK_SIZES][MAX_MODES];
int mode_map[BLOCK_SIZES][MAX_MODES];
int64_t comp_pred_diff[REFERENCE_MODES];
int64_t prediction_type_threshes[MAX_REF_FRAMES][REFERENCE_MODES];
int64_t tx_select_diff[TX_MODES];
// TODO(agrange): can this overflow?
int tx_select_threshes[MAX_REF_FRAMES][TX_MODES];
int64_t filter_diff[SWITCHABLE_FILTER_CONTEXTS];
int64_t filter_threshes[MAX_REF_FRAMES][SWITCHABLE_FILTER_CONTEXTS];
int64_t filter_cache[SWITCHABLE_FILTER_CONTEXTS];
int64_t mask_filter;
int RDMULT;
int RDDIV;
} RD_OPT;
struct TileInfo;
struct VP9_COMP;
struct macroblock;
int vp9_compute_rd_mult(const struct VP9_COMP *cpi, int qindex);
void vp9_initialize_rd_consts(struct VP9_COMP *cpi);
void vp9_initialize_me_consts(struct VP9_COMP *cpi, int qindex);
void vp9_model_rd_from_var_lapndz(unsigned int var, unsigned int n,
unsigned int qstep, int *rate,
int64_t *dist);
int vp9_get_switchable_rate(const struct VP9_COMP *cpi);
const YV12_BUFFER_CONFIG *vp9_get_scaled_ref_frame(const struct VP9_COMP *cpi,
int ref_frame);
void vp9_init_me_luts();
void vp9_get_entropy_contexts(BLOCK_SIZE bsize, TX_SIZE tx_size,
const struct macroblockd_plane *pd,
ENTROPY_CONTEXT t_above[16],
ENTROPY_CONTEXT t_left[16]);
void vp9_set_rd_speed_thresholds(struct VP9_COMP *cpi);
void vp9_set_rd_speed_thresholds_sub8x8(struct VP9_COMP *cpi);
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 vp9_mv_pred(struct VP9_COMP *cpi, MACROBLOCK *x,
uint8_t *ref_y_buffer, int ref_y_stride,
int ref_frame, BLOCK_SIZE block_size);
void vp9_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);
#ifdef __cplusplus
} // extern "C"
#endif
#endif // VP9_ENCODER_VP9_RD_H_
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