ref: 1bf7a0fb29c8af93a9d65f8082bab03cdb22d53d
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 VP9_ENCODER_VP9_MCOMP_H_ #define 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; 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(MACROBLOCK *x, 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 sad_per_bit, int distance, 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); typedef int (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], int *distortion, unsigned int *sse1, const uint8_t *second_pred, int w, int h); 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; 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; int vp9_full_pixel_search(struct VP9_COMP *cpi, MACROBLOCK *x, BLOCK_SIZE bsize, MV *mvp_full, int step_param, int error_per_bit, int *cost_list, const MV *ref_mv, MV *tmp_mv, int var_max, int rd); #ifdef __cplusplus } // extern "C" #endif #endif // VP9_ENCODER_VP9_MCOMP_H_