1 /* 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #ifndef VP9_ENCODER_VP9_MCOMP_H_ 12 #define VP9_ENCODER_VP9_MCOMP_H_ 13 14 #include "vp9/encoder/vp9_block.h" 15 #include "vpx_dsp/variance.h" 16 17 #ifdef __cplusplus 18 extern "C" { 19 #endif 20 21 // The maximum number of steps in a step search given the largest 22 // allowed initial step 23 #define MAX_MVSEARCH_STEPS 11 24 // Max full pel mv specified in the unit of full pixel 25 // Enable the use of motion vector in range [-1023, 1023]. 26 #define MAX_FULL_PEL_VAL ((1 << (MAX_MVSEARCH_STEPS - 1)) - 1) 27 // Maximum size of the first step in full pel units 28 #define MAX_FIRST_STEP (1 << (MAX_MVSEARCH_STEPS - 1)) 29 // Allowed motion vector pixel distance outside image border 30 // for Block_16x16 31 #define BORDER_MV_PIXELS_B16 (16 + VP9_INTERP_EXTEND) 32 33 typedef struct search_site_config { 34 // motion search sites 35 MV ss_mv[8 * MAX_MVSEARCH_STEPS]; // Motion vector 36 intptr_t ss_os[8 * MAX_MVSEARCH_STEPS]; // Offset 37 int searches_per_step; 38 int total_steps; 39 } search_site_config; 40 41 void vp9_init_dsmotion_compensation(search_site_config *cfg, int stride); 42 void vp9_init3smotion_compensation(search_site_config *cfg, int stride); 43 44 void vp9_set_mv_search_range(MvLimits *mv_limits, const MV *mv); 45 int vp9_mv_bit_cost(const MV *mv, const MV *ref, const int *mvjcost, 46 int *mvcost[2], int weight); 47 48 // Utility to compute variance + MV rate cost for a given MV 49 int vp9_get_mvpred_var(const MACROBLOCK *x, const MV *best_mv, 50 const MV *center_mv, const vp9_variance_fn_ptr_t *vfp, 51 int use_mvcost); 52 int vp9_get_mvpred_av_var(const MACROBLOCK *x, const MV *best_mv, 53 const MV *center_mv, const uint8_t *second_pred, 54 const vp9_variance_fn_ptr_t *vfp, int use_mvcost); 55 56 struct VP9_COMP; 57 struct SPEED_FEATURES; 58 59 int vp9_init_search_range(int size); 60 61 int vp9_refining_search_sad(const struct macroblock *x, struct mv *ref_mv, 62 int sad_per_bit, int distance, 63 const struct vp9_variance_vtable *fn_ptr, 64 const struct mv *center_mv); 65 66 // Perform integral projection based motion estimation. 67 unsigned int vp9_int_pro_motion_estimation(const struct VP9_COMP *cpi, 68 MACROBLOCK *x, BLOCK_SIZE bsize, 69 int mi_row, int mi_col); 70 71 typedef uint32_t(fractional_mv_step_fp)( 72 const MACROBLOCK *x, MV *bestmv, const MV *ref_mv, int allow_hp, 73 int error_per_bit, const vp9_variance_fn_ptr_t *vfp, 74 int forced_stop, // 0 - full, 1 - qtr only, 2 - half only 75 int iters_per_step, int *cost_list, int *mvjcost, int *mvcost[2], 76 uint32_t *distortion, uint32_t *sse1, const uint8_t *second_pred, int w, 77 int h); 78 79 extern fractional_mv_step_fp vp9_find_best_sub_pixel_tree; 80 extern fractional_mv_step_fp vp9_find_best_sub_pixel_tree_pruned; 81 extern fractional_mv_step_fp vp9_find_best_sub_pixel_tree_pruned_more; 82 extern fractional_mv_step_fp vp9_find_best_sub_pixel_tree_pruned_evenmore; 83 extern fractional_mv_step_fp vp9_skip_sub_pixel_tree; 84 85 typedef int (*vp9_full_search_fn_t)(const MACROBLOCK *x, const MV *ref_mv, 86 int sad_per_bit, int distance, 87 const vp9_variance_fn_ptr_t *fn_ptr, 88 const MV *center_mv, MV *best_mv); 89 90 typedef int (*vp9_refining_search_fn_t)(const MACROBLOCK *x, MV *ref_mv, 91 int sad_per_bit, int distance, 92 const vp9_variance_fn_ptr_t *fn_ptr, 93 const MV *center_mv); 94 95 typedef int (*vp9_diamond_search_fn_t)( 96 const MACROBLOCK *x, const search_site_config *cfg, MV *ref_mv, MV *best_mv, 97 int search_param, int sad_per_bit, int *num00, 98 const vp9_variance_fn_ptr_t *fn_ptr, const MV *center_mv); 99 100 int vp9_refining_search_8p_c(const MACROBLOCK *x, MV *ref_mv, int error_per_bit, 101 int search_range, 102 const vp9_variance_fn_ptr_t *fn_ptr, 103 const MV *center_mv, const uint8_t *second_pred); 104 105 struct VP9_COMP; 106 107 int vp9_full_pixel_search(struct VP9_COMP *cpi, MACROBLOCK *x, BLOCK_SIZE bsize, 108 MV *mvp_full, int step_param, int error_per_bit, 109 int *cost_list, const MV *ref_mv, MV *tmp_mv, 110 int var_max, int rd); 111 112 #ifdef __cplusplus 113 } // extern "C" 114 #endif 115 116 #endif // VP9_ENCODER_VP9_MCOMP_H_ 117