ref: 91a9935717a1dc74b89f68fa272eb0542b7710d7
dir: /vp9/encoder/vp9_mcomp.h/
/* * Copyright (c) 2010 The WebM project authors. All Rights Reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. An additional intellectual property rights grant can be found * in the file PATENTS. All contributing project authors may * be found in the AUTHORS file in the root of the source tree. */ #ifndef VPX_VP9_ENCODER_VP9_MCOMP_H_ #define VPX_VP9_ENCODER_VP9_MCOMP_H_ #include "vp9/encoder/vp9_block.h" #include "vpx_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 + VP9_INTERP_EXTEND) typedef struct search_site_config { // motion search sites MV ss_mv[8 * MAX_MVSEARCH_STEPS]; // Motion vector intptr_t ss_os[8 * MAX_MVSEARCH_STEPS]; // Offset int searches_per_step; int total_steps; } search_site_config; static INLINE const uint8_t *get_buf_from_mv(const struct buf_2d *buf, const MV *mv) { return &buf->buf[mv->row * buf->stride + mv->col]; } void vp9_init_dsmotion_compensation(search_site_config *cfg, int stride); void vp9_init3smotion_compensation(search_site_config *cfg, int stride); void vp9_set_mv_search_range(MvLimits *mv_limits, const MV *mv); int vp9_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 vp9_get_mvpred_var(const MACROBLOCK *x, const MV *best_mv, const MV *center_mv, const vp9_variance_fn_ptr_t *vfp, int use_mvcost); int vp9_get_mvpred_av_var(const MACROBLOCK *x, const MV *best_mv, const MV *center_mv, const uint8_t *second_pred, const vp9_variance_fn_ptr_t *vfp, int use_mvcost); struct VP9_COMP; struct SPEED_FEATURES; int vp9_init_search_range(int size); int vp9_refining_search_sad(const struct macroblock *x, struct mv *ref_mv, int error_per_bit, int search_range, const struct vp9_variance_vtable *fn_ptr, const struct mv *center_mv); // Perform integral projection based motion estimation. unsigned int vp9_int_pro_motion_estimation(const struct VP9_COMP *cpi, MACROBLOCK *x, BLOCK_SIZE bsize, int mi_row, int mi_col, const MV *ref_mv); typedef uint32_t(fractional_mv_step_fp)( const MACROBLOCK *x, MV *bestmv, const MV *ref_mv, int allow_hp, int error_per_bit, const vp9_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], uint32_t *distortion, uint32_t *sse1, const uint8_t *second_pred, int w, int h, int use_accurate_subpel_search); extern fractional_mv_step_fp vp9_find_best_sub_pixel_tree; extern fractional_mv_step_fp vp9_find_best_sub_pixel_tree_pruned; extern fractional_mv_step_fp vp9_find_best_sub_pixel_tree_pruned_more; extern fractional_mv_step_fp vp9_find_best_sub_pixel_tree_pruned_evenmore; extern fractional_mv_step_fp vp9_skip_sub_pixel_tree; extern fractional_mv_step_fp vp9_return_max_sub_pixel_mv; extern fractional_mv_step_fp vp9_return_min_sub_pixel_mv; typedef int (*vp9_full_search_fn_t)(const MACROBLOCK *x, const MV *ref_mv, int sad_per_bit, int distance, const vp9_variance_fn_ptr_t *fn_ptr, const MV *center_mv, MV *best_mv); typedef int (*vp9_refining_search_fn_t)(const MACROBLOCK *x, MV *ref_mv, int sad_per_bit, int distance, const vp9_variance_fn_ptr_t *fn_ptr, const MV *center_mv); typedef int (*vp9_diamond_search_fn_t)( const MACROBLOCK *x, const search_site_config *cfg, MV *ref_mv, MV *best_mv, int search_param, int sad_per_bit, int *num00, const vp9_variance_fn_ptr_t *fn_ptr, const MV *center_mv); int vp9_refining_search_8p_c(const MACROBLOCK *x, MV *ref_mv, int error_per_bit, int search_range, const vp9_variance_fn_ptr_t *fn_ptr, const MV *center_mv, const uint8_t *second_pred); struct VP9_COMP; // "mvp_full" is the MV search starting point; // "ref_mv" is the context reference MV; // "tmp_mv" is the searched best MV. int vp9_full_pixel_search(const struct VP9_COMP *const cpi, const MACROBLOCK *const x, BLOCK_SIZE bsize, MV *mvp_full, int step_param, int search_method, int error_per_bit, int *cost_list, const MV *ref_mv, MV *tmp_mv, int var_max, int rd); void vp9_set_subpel_mv_search_range(MvLimits *subpel_mv_limits, const MvLimits *umv_window_limits, const MV *ref_mv); #if CONFIG_NON_GREEDY_MV #define NB_MVS_NUM 4 struct TplDepStats; double vp9_refining_search_sad_new(const MACROBLOCK *x, MV *best_full_mv, double *best_mv_dist, double *best_mv_cost, double lambda, int search_range, const vp9_variance_fn_ptr_t *fn_ptr, const int_mv *nb_full_mvs, int full_mv_num); double vp9_full_pixel_diamond_new(const struct VP9_COMP *cpi, MACROBLOCK *x, MV *mvp_full, int step_param, double lambda, int do_refine, const vp9_variance_fn_ptr_t *fn_ptr, const int_mv *nb_full_mvs, int full_mv_num, MV *best_mv, double *best_mv_dist, double *best_mv_cost); double vp9_nb_mvs_inconsistency(const MV *mv, const int_mv *nb_mvs, int mv_num); static INLINE MV get_full_mv(const MV *mv) { MV out_mv; out_mv.row = mv->row >> 3; out_mv.col = mv->col >> 3; return out_mv; } struct TplDepFrame; void vp9_prepare_nb_full_mvs(const struct TplDepFrame *tpl_frame, int mi_row, int mi_col, int rf_idx, BLOCK_SIZE bsize, int_mv *nb_full_mvs); static INLINE BLOCK_SIZE get_square_block_size(BLOCK_SIZE bsize) { BLOCK_SIZE square_bsize; switch (bsize) { case BLOCK_4X4: case BLOCK_4X8: case BLOCK_8X4: square_bsize = BLOCK_4X4; break; case BLOCK_8X8: case BLOCK_8X16: case BLOCK_16X8: square_bsize = BLOCK_8X8; break; case BLOCK_16X16: case BLOCK_16X32: case BLOCK_32X16: square_bsize = BLOCK_16X16; break; case BLOCK_32X32: case BLOCK_32X64: case BLOCK_64X32: case BLOCK_64X64: square_bsize = BLOCK_32X32; break; default: square_bsize = BLOCK_INVALID; assert(0 && "ERROR: invalid block size"); break; } return square_bsize; } #endif // CONFIG_NON_GREEDY_MV #ifdef __cplusplus } // extern "C" #endif #endif // VPX_VP9_ENCODER_VP9_MCOMP_H_