Line data Source code
1 : /*
2 : * Copyright (c) 2010 The WebM project authors. All Rights Reserved.
3 : *
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.
9 : */
10 :
11 : #ifndef VP9_ENCODER_VP9_RD_H_
12 : #define VP9_ENCODER_VP9_RD_H_
13 :
14 : #include <limits.h>
15 :
16 : #include "vp9/common/vp9_blockd.h"
17 :
18 : #include "vp9/encoder/vp9_block.h"
19 : #include "vp9/encoder/vp9_context_tree.h"
20 : #include "vp9/encoder/vp9_cost.h"
21 :
22 : #ifdef __cplusplus
23 : extern "C" {
24 : #endif
25 :
26 : #define RDDIV_BITS 7
27 : #define RD_EPB_SHIFT 6
28 :
29 : #define RDCOST(RM, DM, R, D) \
30 : (ROUND_POWER_OF_TWO(((int64_t)R) * (RM), VP9_PROB_COST_SHIFT) + (D << DM))
31 : #define QIDX_SKIP_THRESH 115
32 :
33 : #define MV_COST_WEIGHT 108
34 : #define MV_COST_WEIGHT_SUB 120
35 :
36 : #define INVALID_MV 0x80008000
37 :
38 : #define MAX_MODES 30
39 : #define MAX_REFS 6
40 :
41 : #define RD_THRESH_MAX_FACT 64
42 : #define RD_THRESH_INC 1
43 :
44 : // This enumerator type needs to be kept aligned with the mode order in
45 : // const MODE_DEFINITION vp9_mode_order[MAX_MODES] used in the rd code.
46 : typedef enum {
47 : THR_NEARESTMV,
48 : THR_NEARESTA,
49 : THR_NEARESTG,
50 :
51 : THR_DC,
52 :
53 : THR_NEWMV,
54 : THR_NEWA,
55 : THR_NEWG,
56 :
57 : THR_NEARMV,
58 : THR_NEARA,
59 : THR_NEARG,
60 :
61 : THR_ZEROMV,
62 : THR_ZEROG,
63 : THR_ZEROA,
64 :
65 : THR_COMP_NEARESTLA,
66 : THR_COMP_NEARESTGA,
67 :
68 : THR_TM,
69 :
70 : THR_COMP_NEARLA,
71 : THR_COMP_NEWLA,
72 : THR_COMP_NEARGA,
73 : THR_COMP_NEWGA,
74 :
75 : THR_COMP_ZEROLA,
76 : THR_COMP_ZEROGA,
77 :
78 : THR_H_PRED,
79 : THR_V_PRED,
80 : THR_D135_PRED,
81 : THR_D207_PRED,
82 : THR_D153_PRED,
83 : THR_D63_PRED,
84 : THR_D117_PRED,
85 : THR_D45_PRED,
86 : } THR_MODES;
87 :
88 : typedef enum {
89 : THR_LAST,
90 : THR_GOLD,
91 : THR_ALTR,
92 : THR_COMP_LA,
93 : THR_COMP_GA,
94 : THR_INTRA,
95 : } THR_MODES_SUB8X8;
96 :
97 : typedef struct RD_OPT {
98 : // Thresh_mult is used to set a threshold for the rd score. A higher value
99 : // means that we will accept the best mode so far more often. This number
100 : // is used in combination with the current block size, and thresh_freq_fact
101 : // to pick a threshold.
102 : int thresh_mult[MAX_MODES];
103 : int thresh_mult_sub8x8[MAX_REFS];
104 :
105 : int threshes[MAX_SEGMENTS][BLOCK_SIZES][MAX_MODES];
106 :
107 : int64_t prediction_type_threshes[MAX_REF_FRAMES][REFERENCE_MODES];
108 :
109 : int64_t filter_threshes[MAX_REF_FRAMES][SWITCHABLE_FILTER_CONTEXTS];
110 :
111 : int RDMULT;
112 : int RDDIV;
113 : } RD_OPT;
114 :
115 : typedef struct RD_COST {
116 : int rate;
117 : int64_t dist;
118 : int64_t rdcost;
119 : } RD_COST;
120 :
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);
125 :
126 : struct TileInfo;
127 : struct TileDataEnc;
128 : struct VP9_COMP;
129 : struct macroblock;
130 :
131 : int vp9_compute_rd_mult(const struct VP9_COMP *cpi, int qindex);
132 :
133 : void vp9_initialize_rd_consts(struct VP9_COMP *cpi);
134 :
135 : void vp9_initialize_me_consts(struct VP9_COMP *cpi, MACROBLOCK *x, int qindex);
136 :
137 : void vp9_model_rd_from_var_lapndz(unsigned int var, unsigned int n,
138 : unsigned int qstep, int *rate, int64_t *dist);
139 :
140 : int vp9_get_switchable_rate(const struct VP9_COMP *cpi,
141 : const MACROBLOCKD *const xd);
142 :
143 : int vp9_raster_block_offset(BLOCK_SIZE plane_bsize, int raster_block,
144 : int stride);
145 :
146 : int16_t *vp9_raster_block_offset_int16(BLOCK_SIZE plane_bsize, int raster_block,
147 : int16_t *base);
148 :
149 : YV12_BUFFER_CONFIG *vp9_get_scaled_ref_frame(const struct VP9_COMP *cpi,
150 : int ref_frame);
151 :
152 : void vp9_init_me_luts(void);
153 :
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]);
158 :
159 : void vp9_set_rd_speed_thresholds(struct VP9_COMP *cpi);
160 :
161 : void vp9_set_rd_speed_thresholds_sub8x8(struct VP9_COMP *cpi);
162 :
163 : void vp9_update_rd_thresh_fact(int (*fact)[MAX_MODES], int rd_thresh, int bsize,
164 : int best_mode_index);
165 :
166 0 : static INLINE int rd_less_than_thresh(int64_t best_rd, int thresh,
167 : int thresh_fact) {
168 0 : return best_rd < ((int64_t)thresh * thresh_fact >> 5) || thresh == INT_MAX;
169 : }
170 :
171 0 : static INLINE void set_error_per_bit(MACROBLOCK *x, int rdmult) {
172 0 : x->errorperbit = rdmult >> RD_EPB_SHIFT;
173 0 : x->errorperbit += (x->errorperbit == 0);
174 0 : }
175 :
176 : void vp9_mv_pred(struct VP9_COMP *cpi, MACROBLOCK *x, uint8_t *ref_y_buffer,
177 : int ref_y_stride, int ref_frame, BLOCK_SIZE block_size);
178 :
179 : void vp9_setup_pred_block(const MACROBLOCKD *xd,
180 : struct buf_2d dst[MAX_MB_PLANE],
181 : const YV12_BUFFER_CONFIG *src, int mi_row, int mi_col,
182 : const struct scale_factors *scale,
183 : const struct scale_factors *scale_uv);
184 :
185 : int vp9_get_intra_cost_penalty(int qindex, int qdelta,
186 : vpx_bit_depth_t bit_depth);
187 :
188 : unsigned int vp9_get_sby_perpixel_variance(struct VP9_COMP *cpi,
189 : const struct buf_2d *ref,
190 : BLOCK_SIZE bs);
191 : #if CONFIG_VP9_HIGHBITDEPTH
192 : unsigned int vp9_high_get_sby_perpixel_variance(struct VP9_COMP *cpi,
193 : const struct buf_2d *ref,
194 : BLOCK_SIZE bs, int bd);
195 : #endif
196 :
197 : #ifdef __cplusplus
198 : } // extern "C"
199 : #endif
200 :
201 : #endif // VP9_ENCODER_VP9_RD_H_
|
