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/*
* 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 AOM_AV1_ENCODER_MCOMP_H_
#define AOM_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)
#define SEARCH_RANGE_8P 3
#define SEARCH_GRID_STRIDE_8P (2 * SEARCH_RANGE_8P + 1)
#define SEARCH_GRID_CENTER_8P \
(SEARCH_RANGE_8P * SEARCH_GRID_STRIDE_8P + SEARCH_RANGE_8P)
// 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;
typedef struct {
MV coord;
int coord_offset;
} search_neighbors;
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 method, int run_mesh_search, 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_search(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 // AOM_AV1_ENCODER_MCOMP_H_
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