2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
4 * Use of this source code is governed by a BSD-style license
5 * that can be found in the LICENSE file in the root of the source
6 * tree. An additional intellectual property rights grant can be found
7 * in the file PATENTS. All contributing project authors may
8 * be found in the AUTHORS file in the root of the source tree.
11 #ifndef VP9_ENCODER_VP9_RD_H_
12 #define VP9_ENCODER_VP9_RD_H_
16 #include "vp9/common/vp9_blockd.h"
18 #include "vp9/encoder/vp9_block.h"
19 #include "vp9/encoder/vp9_context_tree.h"
27 #define RDCOST(RM, DM, R, D) \
28 (((128 + ((int64_t)R) * (RM)) >> 8) + (D << DM))
29 #define QIDX_SKIP_THRESH 115
31 #define MV_COST_WEIGHT 108
32 #define MV_COST_WEIGHT_SUB 120
34 #define INVALID_MV 0x80008000
39 #define RD_THRESH_MAX_FACT 64
40 #define RD_THRESH_INC 1
42 // This enumerator type needs to be kept aligned with the mode order in
43 // const MODE_DEFINITION vp9_mode_order[MAX_MODES] used in the rd code.
95 typedef struct RD_OPT {
96 // Thresh_mult is used to set a threshold for the rd score. A higher value
97 // means that we will accept the best mode so far more often. This number
98 // is used in combination with the current block size, and thresh_freq_fact
99 // to pick a threshold.
100 int thresh_mult[MAX_MODES];
101 int thresh_mult_sub8x8[MAX_REFS];
103 int threshes[MAX_SEGMENTS][BLOCK_SIZES][MAX_MODES];
105 int64_t prediction_type_threshes[MAX_REF_FRAMES][REFERENCE_MODES];
106 // TODO(agrange): can this overflow?
107 int tx_select_threshes[MAX_REF_FRAMES][TX_MODES];
109 int64_t filter_threshes[MAX_REF_FRAMES][SWITCHABLE_FILTER_CONTEXTS];
115 typedef struct RD_COST {
121 // Reset the rate distortion cost values to maximum (invalid) value.
122 void vp9_rd_cost_reset(RD_COST *rd_cost);
123 // Initialize the rate distortion cost values to zero.
124 void vp9_rd_cost_init(RD_COST *rd_cost);
131 int vp9_compute_rd_mult(const struct VP9_COMP *cpi, int qindex);
133 void vp9_initialize_rd_consts(struct VP9_COMP *cpi);
135 void vp9_initialize_me_consts(struct VP9_COMP *cpi, MACROBLOCK *x, int qindex);
137 void vp9_model_rd_from_var_lapndz(unsigned int var, unsigned int n,
138 unsigned int qstep, int *rate,
141 int vp9_get_switchable_rate(const struct VP9_COMP *cpi,
142 const MACROBLOCKD *const xd);
144 int vp9_raster_block_offset(BLOCK_SIZE plane_bsize,
145 int raster_block, int stride);
147 int16_t* vp9_raster_block_offset_int16(BLOCK_SIZE plane_bsize,
148 int raster_block, int16_t *base);
150 YV12_BUFFER_CONFIG *vp9_get_scaled_ref_frame(const struct VP9_COMP *cpi,
153 void vp9_init_me_luts(void);
155 void vp9_get_entropy_contexts(BLOCK_SIZE bsize, TX_SIZE tx_size,
156 const struct macroblockd_plane *pd,
157 ENTROPY_CONTEXT t_above[16],
158 ENTROPY_CONTEXT t_left[16]);
160 void vp9_set_rd_speed_thresholds(struct VP9_COMP *cpi);
162 void vp9_set_rd_speed_thresholds_sub8x8(struct VP9_COMP *cpi);
164 void vp9_update_rd_thresh_fact(int (*fact)[MAX_MODES], int rd_thresh,
165 int bsize, int best_mode_index);
167 static INLINE int rd_less_than_thresh(int64_t best_rd, int thresh,
169 return best_rd < ((int64_t)thresh * thresh_fact >> 5) || thresh == INT_MAX;
172 void vp9_mv_pred(struct VP9_COMP *cpi, MACROBLOCK *x,
173 uint8_t *ref_y_buffer, int ref_y_stride,
174 int ref_frame, BLOCK_SIZE block_size);
176 void vp9_setup_pred_block(const MACROBLOCKD *xd,
177 struct buf_2d dst[MAX_MB_PLANE],
178 const YV12_BUFFER_CONFIG *src,
179 int mi_row, int mi_col,
180 const struct scale_factors *scale,
181 const struct scale_factors *scale_uv);
183 int vp9_get_intra_cost_penalty(int qindex, int qdelta,
184 vpx_bit_depth_t bit_depth);
190 #endif // VP9_ENCODER_VP9_RD_H_