summaryrefslogtreecommitdiffstats
path: root/third_party/aom/av1/encoder/mcomp.h
blob: 539e8f4e42bff747c7aa6f66b521e7125dc17b46 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
/*
 * Copyright (c) 2016, Alliance for Open Media. All rights reserved
 *
 * This source code is subject to the terms of the BSD 2 Clause License and
 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
 * was not distributed with this source code in the LICENSE file, you can
 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
 * Media Patent License 1.0 was not distributed with this source code in the
 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
 */

#ifndef AV1_ENCODER_MCOMP_H_
#define AV1_ENCODER_MCOMP_H_

#include "av1/encoder/block.h"
#include "aom_dsp/variance.h"

#ifdef __cplusplus
extern "C" {
#endif

// The maximum number of steps in a step search given the largest
// allowed initial step
#define MAX_MVSEARCH_STEPS 11
// Max full pel mv specified in the unit of full pixel
// Enable the use of motion vector in range [-1023, 1023].
#define MAX_FULL_PEL_VAL ((1 << (MAX_MVSEARCH_STEPS - 1)) - 1)
// Maximum size of the first step in full pel units
#define MAX_FIRST_STEP (1 << (MAX_MVSEARCH_STEPS - 1))
// Allowed motion vector pixel distance outside image border
// for Block_16x16
#define BORDER_MV_PIXELS_B16 (16 + AOM_INTERP_EXTEND)

// motion search site
typedef struct search_site {
  MV mv;
  int offset;
} search_site;

typedef struct search_site_config {
  search_site ss[8 * MAX_MVSEARCH_STEPS + 1];
  int ss_count;
  int searches_per_step;
} search_site_config;

void av1_init_dsmotion_compensation(search_site_config *cfg, int stride);
void av1_init3smotion_compensation(search_site_config *cfg, int stride);

void av1_set_mv_search_range(MvLimits *mv_limits, const MV *mv);

int av1_mv_bit_cost(const MV *mv, const MV *ref, const int *mvjcost,
                    int *mvcost[2], int weight);

// Utility to compute variance + MV rate cost for a given MV
int av1_get_mvpred_var(const MACROBLOCK *x, const MV *best_mv,
                       const MV *center_mv, const aom_variance_fn_ptr_t *vfp,
                       int use_mvcost);
int av1_get_mvpred_av_var(const MACROBLOCK *x, const MV *best_mv,
                          const MV *center_mv, const uint8_t *second_pred,
                          const aom_variance_fn_ptr_t *vfp, int use_mvcost);
int av1_get_mvpred_mask_var(const MACROBLOCK *x, const MV *best_mv,
                            const MV *center_mv, const uint8_t *second_pred,
                            const uint8_t *mask, int mask_stride,
                            int invert_mask, const aom_variance_fn_ptr_t *vfp,
                            int use_mvcost);

struct AV1_COMP;
struct SPEED_FEATURES;

int av1_init_search_range(int size);

int av1_refining_search_sad(struct macroblock *x, MV *ref_mv, int sad_per_bit,
                            int distance, const aom_variance_fn_ptr_t *fn_ptr,
                            const MV *center_mv);

// Runs sequence of diamond searches in smaller steps for RD.
int av1_full_pixel_diamond(const struct AV1_COMP *cpi, MACROBLOCK *x,
                           MV *mvp_full, int step_param, int sadpb,
                           int further_steps, int do_refine, int *cost_list,
                           const aom_variance_fn_ptr_t *fn_ptr,
                           const MV *ref_mv, MV *dst_mv);

int av1_hex_search(MACROBLOCK *x, MV *start_mv, int search_param,
                   int sad_per_bit, int do_init_search, int *cost_list,
                   const aom_variance_fn_ptr_t *vfp, int use_mvcost,
                   const MV *center_mv);

typedef int(fractional_mv_step_fp)(
    MACROBLOCK *x, const AV1_COMMON *const cm, int mi_row, int mi_col,
    const MV *ref_mv, int allow_hp, int error_per_bit,
    const aom_variance_fn_ptr_t *vfp,
    int forced_stop,  // 0 - full, 1 - qtr only, 2 - half only
    int iters_per_step, int *cost_list, int *mvjcost, int *mvcost[2],
    int *distortion, unsigned int *sse1, const uint8_t *second_pred,
    const uint8_t *mask, int mask_stride, int invert_mask, int w, int h,
    int use_accurate_subpel_search);

extern fractional_mv_step_fp av1_find_best_sub_pixel_tree;
extern fractional_mv_step_fp av1_find_best_sub_pixel_tree_pruned;
extern fractional_mv_step_fp av1_find_best_sub_pixel_tree_pruned_more;
extern fractional_mv_step_fp av1_find_best_sub_pixel_tree_pruned_evenmore;
extern fractional_mv_step_fp av1_return_max_sub_pixel_mv;
extern fractional_mv_step_fp av1_return_min_sub_pixel_mv;

typedef int (*av1_full_search_fn_t)(const MACROBLOCK *x, const MV *ref_mv,
                                    int sad_per_bit, int distance,
                                    const aom_variance_fn_ptr_t *fn_ptr,
                                    const MV *center_mv, MV *best_mv);

typedef int (*av1_diamond_search_fn_t)(
    MACROBLOCK *x, const search_site_config *cfg, MV *ref_mv, MV *best_mv,
    int search_param, int sad_per_bit, int *num00,
    const aom_variance_fn_ptr_t *fn_ptr, const MV *center_mv);

int av1_refining_search_8p_c(MACROBLOCK *x, int error_per_bit, int search_range,
                             const aom_variance_fn_ptr_t *fn_ptr,
                             const uint8_t *mask, int mask_stride,
                             int invert_mask, const MV *center_mv,
                             const uint8_t *second_pred);

int av1_full_pixel_search(const struct AV1_COMP *cpi, MACROBLOCK *x,
                          BLOCK_SIZE bsize, MV *mvp_full, int step_param,
                          int error_per_bit, int *cost_list, const MV *ref_mv,
                          int var_max, int rd, int x_pos, int y_pos, int intra);

int av1_obmc_full_pixel_diamond(const struct AV1_COMP *cpi, MACROBLOCK *x,
                                MV *mvp_full, int step_param, int sadpb,
                                int further_steps, int do_refine,
                                const aom_variance_fn_ptr_t *fn_ptr,
                                const MV *ref_mv, MV *dst_mv, int is_second);
int av1_find_best_obmc_sub_pixel_tree_up(
    MACROBLOCK *x, const AV1_COMMON *const cm, int mi_row, int mi_col,
    MV *bestmv, const MV *ref_mv, int allow_hp, int error_per_bit,
    const aom_variance_fn_ptr_t *vfp, int forced_stop, int iters_per_step,
    int *mvjcost, int *mvcost[2], int *distortion, unsigned int *sse1,
    int is_second, int use_accurate_subpel_search);

unsigned int av1_compute_motion_cost(const struct AV1_COMP *cpi,
                                     MACROBLOCK *const x, BLOCK_SIZE bsize,
                                     int mi_row, int mi_col, const MV *this_mv);
unsigned int av1_refine_warped_mv(const struct AV1_COMP *cpi,
                                  MACROBLOCK *const x, BLOCK_SIZE bsize,
                                  int mi_row, int mi_col, int *pts0,
                                  int *pts_inref0, int total_samples);

#ifdef __cplusplus
}  // extern "C"
#endif

#endif  // AV1_ENCODER_MCOMP_H_