1 /* 2 * Copyright (c) 2016, Alliance for Open Media. All rights reserved 3 * 4 * This source code is subject to the terms of the BSD 2 Clause License and 5 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License 6 * was not distributed with this source code in the LICENSE file, you can 7 * obtain it at www.aomedia.org/license/software. If the Alliance for Open 8 * Media Patent License 1.0 was not distributed with this source code in the 9 * PATENTS file, you can obtain it at www.aomedia.org/license/patent. 10 */ 11 12 #ifndef AOM_AV1_ENCODER_MCOMP_H_ 13 #define AOM_AV1_ENCODER_MCOMP_H_ 14 15 #include "av1/encoder/block.h" 16 17 #include "aom_dsp/variance.h" 18 19 #ifdef __cplusplus 20 extern "C" { 21 #endif 22 23 // The maximum number of steps in a step search given the largest 24 // allowed initial step 25 #define MAX_MVSEARCH_STEPS 11 26 // Max full pel mv specified in the unit of full pixel 27 // Enable the use of motion vector in range [-1023, 1023]. 28 #define MAX_FULL_PEL_VAL ((1 << (MAX_MVSEARCH_STEPS - 1)) - 1) 29 // Maximum size of the first step in full pel units 30 #define MAX_FIRST_STEP (1 << (MAX_MVSEARCH_STEPS - 1)) 31 // Allowed motion vector pixel distance outside image border 32 // for Block_16x16 33 #define BORDER_MV_PIXELS_B16 (16 + AOM_INTERP_EXTEND) 34 35 #define SEARCH_RANGE_8P 3 36 #define SEARCH_GRID_STRIDE_8P (2 * SEARCH_RANGE_8P + 1) 37 #define SEARCH_GRID_CENTER_8P \ 38 (SEARCH_RANGE_8P * SEARCH_GRID_STRIDE_8P + SEARCH_RANGE_8P) 39 40 // motion search site 41 typedef struct search_site { 42 MV mv; 43 int offset; 44 } search_site; 45 46 typedef struct search_site_config { 47 search_site ss[8 * MAX_MVSEARCH_STEPS + 1]; 48 int ss_count; 49 int searches_per_step; 50 } search_site_config; 51 52 typedef struct { 53 MV coord; 54 int coord_offset; 55 } search_neighbors; 56 57 void av1_init_dsmotion_compensation(search_site_config *cfg, int stride); 58 void av1_init3smotion_compensation(search_site_config *cfg, int stride); 59 60 void av1_set_mv_search_range(MvLimits *mv_limits, const MV *mv); 61 62 int av1_mv_bit_cost(const MV *mv, const MV *ref, const int *mvjcost, 63 int *mvcost[2], int weight); 64 65 // Utility to compute variance + MV rate cost for a given MV 66 int av1_get_mvpred_var(const MACROBLOCK *x, const MV *best_mv, 67 const MV *center_mv, const aom_variance_fn_ptr_t *vfp, 68 int use_mvcost); 69 int av1_get_mvpred_av_var(const MACROBLOCK *x, const MV *best_mv, 70 const MV *center_mv, const uint8_t *second_pred, 71 const aom_variance_fn_ptr_t *vfp, int use_mvcost); 72 int av1_get_mvpred_mask_var(const MACROBLOCK *x, const MV *best_mv, 73 const MV *center_mv, const uint8_t *second_pred, 74 const uint8_t *mask, int mask_stride, 75 int invert_mask, const aom_variance_fn_ptr_t *vfp, 76 int use_mvcost); 77 78 struct AV1_COMP; 79 struct SPEED_FEATURES; 80 81 int av1_init_search_range(int size); 82 83 int av1_refining_search_sad(struct macroblock *x, MV *ref_mv, int sad_per_bit, 84 int distance, const aom_variance_fn_ptr_t *fn_ptr, 85 const MV *center_mv); 86 87 unsigned int av1_int_pro_motion_estimation(const struct AV1_COMP *cpi, 88 MACROBLOCK *x, BLOCK_SIZE bsize, 89 int mi_row, int mi_col, 90 const MV *ref_mv); 91 92 // Runs sequence of diamond searches in smaller steps for RD. 93 int av1_full_pixel_diamond(const struct AV1_COMP *cpi, MACROBLOCK *x, 94 MV *mvp_full, int step_param, int sadpb, 95 int further_steps, int do_refine, int *cost_list, 96 const aom_variance_fn_ptr_t *fn_ptr, 97 const MV *ref_mv, MV *dst_mv); 98 99 int av1_hex_search(MACROBLOCK *x, MV *start_mv, int search_param, 100 int sad_per_bit, int do_init_search, int *cost_list, 101 const aom_variance_fn_ptr_t *vfp, int use_mvcost, 102 const MV *center_mv); 103 104 typedef int(fractional_mv_step_fp)( 105 MACROBLOCK *x, const AV1_COMMON *const cm, int mi_row, int mi_col, 106 const MV *ref_mv, int allow_hp, int error_per_bit, 107 const aom_variance_fn_ptr_t *vfp, 108 int forced_stop, // 0 - full, 1 - qtr only, 2 - half only 109 int iters_per_step, int *cost_list, int *mvjcost, int *mvcost[2], 110 int *distortion, unsigned int *sse1, const uint8_t *second_pred, 111 const uint8_t *mask, int mask_stride, int invert_mask, int w, int h, 112 int use_accurate_subpel_search, const int do_reset_fractional_mv); 113 114 extern fractional_mv_step_fp av1_find_best_sub_pixel_tree; 115 extern fractional_mv_step_fp av1_find_best_sub_pixel_tree_pruned; 116 extern fractional_mv_step_fp av1_find_best_sub_pixel_tree_pruned_more; 117 extern fractional_mv_step_fp av1_find_best_sub_pixel_tree_pruned_evenmore; 118 extern fractional_mv_step_fp av1_return_max_sub_pixel_mv; 119 extern fractional_mv_step_fp av1_return_min_sub_pixel_mv; 120 121 typedef int (*av1_full_search_fn_t)(const MACROBLOCK *x, const MV *ref_mv, 122 int sad_per_bit, int distance, 123 const aom_variance_fn_ptr_t *fn_ptr, 124 const MV *center_mv, MV *best_mv); 125 126 typedef int (*av1_diamond_search_fn_t)( 127 MACROBLOCK *x, const search_site_config *cfg, MV *ref_mv, MV *best_mv, 128 int search_param, int sad_per_bit, int *num00, 129 const aom_variance_fn_ptr_t *fn_ptr, const MV *center_mv); 130 131 int av1_refining_search_8p_c(MACROBLOCK *x, int error_per_bit, int search_range, 132 const aom_variance_fn_ptr_t *fn_ptr, 133 const uint8_t *mask, int mask_stride, 134 int invert_mask, const MV *center_mv, 135 const uint8_t *second_pred); 136 137 int av1_full_pixel_search(const struct AV1_COMP *cpi, MACROBLOCK *x, 138 BLOCK_SIZE bsize, MV *mvp_full, int step_param, 139 int method, int run_mesh_search, int error_per_bit, 140 int *cost_list, const MV *ref_mv, int var_max, int rd, 141 int x_pos, int y_pos, int intra, 142 const search_site_config *cfg); 143 144 int av1_obmc_full_pixel_search(const struct AV1_COMP *cpi, MACROBLOCK *x, 145 MV *mvp_full, int step_param, int sadpb, 146 int further_steps, int do_refine, 147 const aom_variance_fn_ptr_t *fn_ptr, 148 const MV *ref_mv, MV *dst_mv, int is_second, 149 const search_site_config *cfg); 150 int av1_find_best_obmc_sub_pixel_tree_up( 151 MACROBLOCK *x, const AV1_COMMON *const cm, int mi_row, int mi_col, 152 MV *bestmv, const MV *ref_mv, int allow_hp, int error_per_bit, 153 const aom_variance_fn_ptr_t *vfp, int forced_stop, int iters_per_step, 154 int *mvjcost, int *mvcost[2], int *distortion, unsigned int *sse1, 155 int is_second, int use_accurate_subpel_search); 156 157 unsigned int av1_compute_motion_cost(const struct AV1_COMP *cpi, 158 MACROBLOCK *const x, BLOCK_SIZE bsize, 159 int mi_row, int mi_col, const MV *this_mv); 160 unsigned int av1_refine_warped_mv(const struct AV1_COMP *cpi, 161 MACROBLOCK *const x, BLOCK_SIZE bsize, 162 int mi_row, int mi_col, int *pts0, 163 int *pts_inref0, int total_samples); 164 165 // Performs a motion search in SIMPLE_TRANSLATION mode using reference frame 166 // ref. Note that this sets the offset of mbmi, so we will need to reset it 167 // after calling this function. 168 void av1_simple_motion_search(struct AV1_COMP *const cpi, MACROBLOCK *x, 169 int mi_row, int mi_col, BLOCK_SIZE bsize, int ref, 170 MV ref_mv_full, int num_planes, int use_subpixel); 171 172 // Performs a simple motion search to calculate the sse and var of the residue 173 void av1_simple_motion_sse_var(struct AV1_COMP *cpi, MACROBLOCK *x, int mi_row, 174 int mi_col, BLOCK_SIZE bsize, 175 const MV ref_mv_full, int use_subpixel, 176 unsigned int *sse, unsigned int *var); 177 178 static INLINE void av1_set_fractional_mv(int_mv *fractional_best_mv) { 179 for (int z = 0; z < 3; z++) { 180 fractional_best_mv[z].as_int = INVALID_MV; 181 } 182 } 183 184 #ifdef __cplusplus 185 } // extern "C" 186 #endif 187 188 #endif // AOM_AV1_ENCODER_MCOMP_H_ 189
