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Diffstat (limited to 'media/libaom/src/av1/encoder/mcomp.h')
| -rw-r--r-- | media/libaom/src/av1/encoder/mcomp.h | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/media/libaom/src/av1/encoder/mcomp.h b/media/libaom/src/av1/encoder/mcomp.h new file mode 100644 index 000000000..a975218b0 --- /dev/null +++ b/media/libaom/src/av1/encoder/mcomp.h @@ -0,0 +1,161 @@ +/* + * 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_ |