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"
20 #include "vp9/encoder/vp9_cost.h"
28 #define RDCOST(RM, DM, R, D) \
29 (ROUND_POWER_OF_TWO(((int64_t)R) * (RM), VP9_PROB_COST_SHIFT) + (D << DM))
30 #define QIDX_SKIP_THRESH 115
32 #define MV_COST_WEIGHT 108
33 #define MV_COST_WEIGHT_SUB 120
35 #define INVALID_MV 0x80008000
40 #define RD_THRESH_MAX_FACT 64
41 #define RD_THRESH_INC 1
43 // This enumerator type needs to be kept aligned with the mode order in
44 // const MODE_DEFINITION vp9_mode_order[MAX_MODES] used in the rd code.
96 typedef struct RD_OPT {
97 // Thresh_mult is used to set a threshold for the rd score. A higher value
98 // means that we will accept the best mode so far more often. This number
99 // is used in combination with the current block size, and thresh_freq_fact
100 // to pick a threshold.
101 int thresh_mult[MAX_MODES];
102 int thresh_mult_sub8x8[MAX_REFS];
104 int threshes[MAX_SEGMENTS][BLOCK_SIZES][MAX_MODES];
106 int64_t prediction_type_threshes[MAX_REF_FRAMES][REFERENCE_MODES];
108 int64_t filter_threshes[MAX_REF_FRAMES][SWITCHABLE_FILTER_CONTEXTS];
114 typedef struct RD_COST {
120 // Reset the rate distortion cost values to maximum (invalid) value.
121 void vp9_rd_cost_reset(RD_COST *rd_cost);
122 // Initialize the rate distortion cost values to zero.
123 void vp9_rd_cost_init(RD_COST *rd_cost);
130 int vp9_compute_rd_mult(const struct VP9_COMP *cpi, int qindex);
132 void vp9_initialize_rd_consts(struct VP9_COMP *cpi);
134 void vp9_initialize_me_consts(struct VP9_COMP *cpi, MACROBLOCK *x, int qindex);
136 void vp9_model_rd_from_var_lapndz(unsigned int var, unsigned int n,
137 unsigned int qstep, int *rate,
140 int vp9_get_switchable_rate(const struct VP9_COMP *cpi,
141 const MACROBLOCKD *const xd);
143 int vp9_raster_block_offset(BLOCK_SIZE plane_bsize,
144 int raster_block, int stride);
146 int16_t* vp9_raster_block_offset_int16(BLOCK_SIZE plane_bsize,
147 int raster_block, int16_t *base);
149 YV12_BUFFER_CONFIG *vp9_get_scaled_ref_frame(const struct VP9_COMP *cpi,
152 void vp9_init_me_luts(void);
154 void vp9_get_entropy_contexts(BLOCK_SIZE bsize, TX_SIZE tx_size,
155 const struct macroblockd_plane *pd,
156 ENTROPY_CONTEXT t_above[16],
157 ENTROPY_CONTEXT t_left[16]);
159 void vp9_set_rd_speed_thresholds(struct VP9_COMP *cpi);
161 void vp9_set_rd_speed_thresholds_sub8x8(struct VP9_COMP *cpi);
163 void vp9_update_rd_thresh_fact(int (*fact)[MAX_MODES], int rd_thresh,
164 int bsize, int best_mode_index);
166 static INLINE int rd_less_than_thresh(int64_t best_rd, int thresh,
168 return best_rd < ((int64_t)thresh * thresh_fact >> 5) || thresh == INT_MAX;
171 void vp9_mv_pred(struct VP9_COMP *cpi, MACROBLOCK *x,
172 uint8_t *ref_y_buffer, int ref_y_stride,
173 int ref_frame, BLOCK_SIZE block_size);
175 void vp9_setup_pred_block(const MACROBLOCKD *xd,
176 struct buf_2d dst[MAX_MB_PLANE],
177 const YV12_BUFFER_CONFIG *src,
178 int mi_row, int mi_col,
179 const struct scale_factors *scale,
180 const struct scale_factors *scale_uv);
182 int vp9_get_intra_cost_penalty(int qindex, int qdelta,
183 vpx_bit_depth_t bit_depth);
185 unsigned int vp9_get_sby_perpixel_variance(struct VP9_COMP *cpi,
186 const struct buf_2d *ref,
188 #if CONFIG_VP9_HIGHBITDEPTH
189 unsigned int vp9_high_get_sby_perpixel_variance(struct VP9_COMP *cpi,
190 const struct buf_2d *ref,
191 BLOCK_SIZE bs, int bd);
198 #endif // VP9_ENCODER_VP9_RD_H_