granicus.if.org Git - libvpx/blob - vp9/encoder/vp9_mcomp.h

   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
  12 #ifndef VP9_ENCODER_VP9_MCOMP_H_
  13 #define VP9_ENCODER_VP9_MCOMP_H_
  14
  15 #include "vp9/encoder/vp9_block.h"
  16 #include "vp9/encoder/vp9_variance.h"
  17
  18 // The maximum number of steps in a step search given the largest
  19 // allowed initial step
  20 #define MAX_MVSEARCH_STEPS 11
  21 // Max full pel mv specified in 1 pel units
  22 #define MAX_FULL_PEL_VAL ((1 << (MAX_MVSEARCH_STEPS)) - 1)
  23 // Maximum size of the first step in full pel units
  24 #define MAX_FIRST_STEP (1 << (MAX_MVSEARCH_STEPS-1))
  25
  26 void vp9_clamp_mv_min_max(MACROBLOCK *x, int_mv *ref_mv);
  27 int vp9_mv_bit_cost(int_mv *mv, int_mv *ref, int *mvjcost,
  28                            int *mvcost[2], int weight, int ishp);
  29 void vp9_init_dsmotion_compensation(MACROBLOCK *x, int stride);
  30 void vp9_init3smotion_compensation(MACROBLOCK *x,  int stride);
  31
  32 struct VP9_COMP;
  33 int vp9_init_search_range(struct VP9_COMP *cpi, int size);
  34
  35 // Runs sequence of diamond searches in smaller steps for RD
  36 int vp9_full_pixel_diamond(struct VP9_COMP *cpi, MACROBLOCK *x,
  37                            int_mv *mvp_full, int step_param,
  38                            int sadpb, int further_steps, int do_refine,
  39                            vp9_variance_fn_ptr_t *fn_ptr,
  40                            int_mv *ref_mv, int_mv *dst_mv);
  41
  42 int vp9_hex_search(MACROBLOCK *x,
  43                    int_mv *ref_mv, int_mv *best_mv,
  44                    int search_param, int error_per_bit,
  45                    const vp9_variance_fn_ptr_t *vf,
  46                    int *mvjsadcost, int *mvsadcost[2],
  47                    int *mvjcost, int *mvcost[2],
  48                    int_mv *center_mv);
  49
  50 typedef int (fractional_mv_step_fp) (MACROBLOCK *x, int_mv
  51   *bestmv, int_mv *ref_mv, int error_per_bit, const vp9_variance_fn_ptr_t *vfp,
  52   int *mvjcost, int *mvcost[2], int *distortion, unsigned int *sse);
  53 extern fractional_mv_step_fp vp9_find_best_sub_pixel_step_iteratively;
  54 extern fractional_mv_step_fp vp9_find_best_sub_pixel_step;
  55 extern fractional_mv_step_fp vp9_find_best_half_pixel_step;
  56
  57 typedef int (*vp9_full_search_fn_t)(MACROBLOCK *x,
  58                                     int_mv *ref_mv, int sad_per_bit,
  59                                     int distance, vp9_variance_fn_ptr_t *fn_ptr,
  60                                     int *mvjcost, int *mvcost[2],
  61                                     int_mv *center_mv, int n);
  62
  63 typedef int (*vp9_refining_search_fn_t)(MACROBLOCK *x,
  64                                         int_mv *ref_mv, int sad_per_bit,
  65                                         int distance,
  66                                         vp9_variance_fn_ptr_t *fn_ptr,
  67                                         int *mvjcost, int *mvcost[2],
  68                                         int_mv *center_mv);
  69
  70 typedef int (*vp9_diamond_search_fn_t)(MACROBLOCK *x,
  71                                        int_mv *ref_mv, int_mv *best_mv,
  72                                        int search_param, int sad_per_bit,
  73                                        int *num00,
  74                                        vp9_variance_fn_ptr_t *fn_ptr,
  75                                        int *mvjcost, int *mvcost[2],
  76                                        int_mv *center_mv);
  77
  78 int vp9_find_best_sub_pixel_comp(MACROBLOCK *x,
  79                                  int_mv *bestmv, int_mv *ref_mv,
  80                                  int error_per_bit,
  81                                  const vp9_variance_fn_ptr_t *vfp,
  82                                  int *mvjcost, int *mvcost[2],
  83                                  int *distortion, unsigned int *sse1,
  84                                  const uint8_t *second_pred,
  85                                  int w, int h);
  86
  87 int vp9_refining_search_8p_c(MACROBLOCK *x,
  88                              int_mv *ref_mv, int error_per_bit,
  89                              int search_range, vp9_variance_fn_ptr_t *fn_ptr,
  90                              int *mvjcost, int *mvcost[2],
  91                              int_mv *center_mv, const uint8_t *second_pred,
  92                              int w, int h);
  93 #endif  // VP9_ENCODER_VP9_MCOMP_H_