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
21 #ifdef __cplusplus
22 extern "C" {
23 #endif
24
25 #define RDDIV_BITS 7
26
27 #define RDCOST(RM, DM, R, D) \
28 (((128 + ((int64_t)R) * (RM)) >> 8) + (D << DM))
29 #define QIDX_SKIP_THRESH 115
30
31 #define MV_COST_WEIGHT 108
32 #define MV_COST_WEIGHT_SUB 120
33
34 #define INVALID_MV 0x80008000
35
36 #define MAX_MODES 30
37 #define MAX_REFS 6
38
39 #define RD_THRESH_MAX_FACT 64
40 #define RD_THRESH_INC 1
41
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.
44 typedef enum {
45 THR_NEARESTMV,
46 THR_NEARESTA,
47 THR_NEARESTG,
48
49 THR_DC,
50
51 THR_NEWMV,
52 THR_NEWA,
53 THR_NEWG,
54
55 THR_NEARMV,
56 THR_NEARA,
57 THR_NEARG,
58
59 THR_ZEROMV,
60 THR_ZEROG,
61 THR_ZEROA,
62
63 THR_COMP_NEARESTLA,
64 THR_COMP_NEARESTGA,
65
66 THR_TM,
67
68 THR_COMP_NEARLA,
69 THR_COMP_NEWLA,
70 THR_COMP_NEARGA,
71 THR_COMP_NEWGA,
72
73 THR_COMP_ZEROLA,
74 THR_COMP_ZEROGA,
75
76 THR_H_PRED,
77 THR_V_PRED,
78 THR_D135_PRED,
79 THR_D207_PRED,
80 THR_D153_PRED,
81 THR_D63_PRED,
82 THR_D117_PRED,
83 THR_D45_PRED,
84 } THR_MODES;
85
86 typedef enum {
87 THR_LAST,
88 THR_GOLD,
89 THR_ALTR,
90 THR_COMP_LA,
91 THR_COMP_GA,
92 THR_INTRA,
93 } THR_MODES_SUB8X8;
94
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];
102
103 int threshes[MAX_SEGMENTS][BLOCK_SIZES][MAX_MODES];
104
105 int64_t prediction_type_threshes[MAX_REF_FRAMES][REFERENCE_MODES];
106
107 int64_t filter_threshes[MAX_REF_FRAMES][SWITCHABLE_FILTER_CONTEXTS];
108
109 int RDMULT;
110 int RDDIV;
111 } RD_OPT;
112
113 typedef struct RD_COST {
114 int rate;
115 int64_t dist;
116 int64_t rdcost;
117 } RD_COST;
118
119 // Reset the rate distortion cost values to maximum (invalid) value.
120 void vp9_rd_cost_reset(RD_COST *rd_cost);
121 // Initialize the rate distortion cost values to zero.
122 void vp9_rd_cost_init(RD_COST *rd_cost);
123
124 struct TileInfo;
125 struct TileDataEnc;
126 struct VP9_COMP;
127 struct macroblock;
128
129 int vp9_compute_rd_mult(const struct VP9_COMP *cpi, int qindex);
130
131 void vp9_initialize_rd_consts(struct VP9_COMP *cpi);
132
133 void vp9_initialize_me_consts(struct VP9_COMP *cpi, MACROBLOCK *x, int qindex);
134
135 void vp9_model_rd_from_var_lapndz(unsigned int var, unsigned int n,
136 unsigned int qstep, int *rate,
137 int64_t *dist);
138
139 int vp9_get_switchable_rate(const struct VP9_COMP *cpi,
140 const MACROBLOCKD *const xd);
141
142 int vp9_raster_block_offset(BLOCK_SIZE plane_bsize,
143 int raster_block, int stride);
144
145 int16_t* vp9_raster_block_offset_int16(BLOCK_SIZE plane_bsize,
146 int raster_block, int16_t *base);
147
148 YV12_BUFFER_CONFIG *vp9_get_scaled_ref_frame(const struct VP9_COMP *cpi,
149 int ref_frame);
150
151 void vp9_init_me_luts(void);
152
153 void vp9_get_entropy_contexts(BLOCK_SIZE bsize, TX_SIZE tx_size,
154 const struct macroblockd_plane *pd,
155 ENTROPY_CONTEXT t_above[16],
156 ENTROPY_CONTEXT t_left[16]);
157
158 void vp9_set_rd_speed_thresholds(struct VP9_COMP *cpi);
159
160 void vp9_set_rd_speed_thresholds_sub8x8(struct VP9_COMP *cpi);
161
162 void vp9_update_rd_thresh_fact(int (*fact)[MAX_MODES], int rd_thresh,
163 int bsize, int best_mode_index);
164
rd_less_than_thresh(int64_t best_rd,int thresh,int thresh_fact)165 static INLINE int rd_less_than_thresh(int64_t best_rd, int thresh,
166 int thresh_fact) {
167 return best_rd < ((int64_t)thresh * thresh_fact >> 5) || thresh == INT_MAX;
168 }
169
170 void vp9_mv_pred(struct VP9_COMP *cpi, MACROBLOCK *x,
171 uint8_t *ref_y_buffer, int ref_y_stride,
172 int ref_frame, BLOCK_SIZE block_size);
173
174 void vp9_setup_pred_block(const MACROBLOCKD *xd,
175 struct buf_2d dst[MAX_MB_PLANE],
176 const YV12_BUFFER_CONFIG *src,
177 int mi_row, int mi_col,
178 const struct scale_factors *scale,
179 const struct scale_factors *scale_uv);
180
181 int vp9_get_intra_cost_penalty(int qindex, int qdelta,
182 vpx_bit_depth_t bit_depth);
183
184 #ifdef __cplusplus
185 } // extern "C"
186 #endif
187
188 #endif // VP9_ENCODER_VP9_RD_H_
189