ref: ff2d220d210acad9f28cafdd4238c078e6edb263
dir: /vp9/encoder/vp9_rd.h/
/* * 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" #include "vp9/encoder/vp9_cost.h" #ifdef __cplusplus extern "C" { #endif #define RDDIV_BITS 7 #define RD_EPB_SHIFT 6 #define RDCOST(RM, DM, R, D) \ (ROUND_POWER_OF_TWO(((int64_t)R) * (RM), VP9_PROB_COST_SHIFT) + (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 #define RD_THRESH_INIT_FACT 32 #define RD_THRESH_MAX_FACT 64 #define RD_THRESH_INC 1 // 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]; int64_t prediction_type_threshes[MAX_REF_FRAMES][REFERENCE_MODES]; int64_t filter_threshes[MAX_REF_FRAMES][SWITCHABLE_FILTER_CONTEXTS]; int RDMULT; int RDDIV; } RD_OPT; typedef struct RD_COST { int rate; int64_t dist; int64_t rdcost; } RD_COST; // Reset the rate distortion cost values to maximum (invalid) value. void vp9_rd_cost_reset(RD_COST *rd_cost); // Initialize the rate distortion cost values to zero. void vp9_rd_cost_init(RD_COST *rd_cost); struct TileInfo; struct TileDataEnc; struct VP9_COMP; struct macroblock; int64_t vp9_compute_rd_mult_based_on_qindex(const struct VP9_COMP *cpi, int qindex); 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, MACROBLOCK *x, int qindex); void vp9_model_rd_from_var_lapndz(unsigned int var, unsigned int n, unsigned int qstep, int *rate, int64_t *dist); void vp9_model_rd_from_var_lapndz_vec(unsigned int var[MAX_MB_PLANE], unsigned int n_log2[MAX_MB_PLANE], unsigned int qstep[MAX_MB_PLANE], int64_t *rate_sum, int64_t *dist_sum); int vp9_get_switchable_rate(const struct VP9_COMP *cpi, const MACROBLOCKD *const xd); int vp9_raster_block_offset(BLOCK_SIZE plane_bsize, int raster_block, int stride); int16_t *vp9_raster_block_offset_int16(BLOCK_SIZE plane_bsize, int raster_block, int16_t *base); YV12_BUFFER_CONFIG *vp9_get_scaled_ref_frame(const struct VP9_COMP *cpi, int ref_frame); void vp9_init_me_luts(void); 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); void vp9_update_rd_thresh_fact(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, const int *const thresh_fact) { return best_rd < ((int64_t)thresh * (*thresh_fact) >> 5) || thresh == INT_MAX; } static INLINE void set_error_per_bit(MACROBLOCK *x, int rdmult) { x->errorperbit = rdmult >> RD_EPB_SHIFT; x->errorperbit += (x->errorperbit == 0); } 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); int vp9_get_intra_cost_penalty(int qindex, int qdelta, vpx_bit_depth_t bit_depth); unsigned int vp9_get_sby_perpixel_variance(struct VP9_COMP *cpi, const struct buf_2d *ref, BLOCK_SIZE bs); #if CONFIG_VP9_HIGHBITDEPTH unsigned int vp9_high_get_sby_perpixel_variance(struct VP9_COMP *cpi, const struct buf_2d *ref, BLOCK_SIZE bs, int bd); #endif #ifdef __cplusplus } // extern "C" #endif #endif // VP9_ENCODER_VP9_RD_H_