vp8/encoder/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 __INC_MCOMP_H
  13 #define __INC_MCOMP_H
  14
  15 #include "block.h"
  16 #include "variance.h"
  17
  18 #ifdef ENTROPY_STATS
  19 extern void init_mv_ref_counts();
  20 extern void accum_mv_refs(MB_PREDICTION_MODE, const int near_mv_ref_cts[4]);
  21 #endif
  22
  23
  24 #define MAX_MVSEARCH_STEPS 8                                    // The maximum number of steps in a step search given the largest allowed initial step
  25 #define MAX_FULL_PEL_VAL ((1 << (MAX_MVSEARCH_STEPS+3)) - 8)    // Max full pel mv specified in 1/8 pel units
  26 #define MAX_FIRST_STEP (1 << (MAX_MVSEARCH_STEPS-1))            // Maximum size of the first step in full pel units
  27
  28 extern void print_mode_context(void);
  29 extern int vp8_mv_bit_cost(MV *mv, MV *ref, int *mvcost[2], int Weight);
  30 extern void vp8_init_dsmotion_compensation(MACROBLOCK *x, int stride);
  31 extern void vp8_init3smotion_compensation(MACROBLOCK *x,  int stride);
  32
  33
  34 extern int vp8_hex_search
  35 (
  36     MACROBLOCK *x,
  37     BLOCK *b,
  38     BLOCKD *d,
  39     MV *ref_mv,
  40     MV *best_mv,
  41     int search_param,
  42     int error_per_bit,
  43     int *num00,
  44     const vp8_variance_fn_ptr_t *vf,
  45     int *mvsadcost[2],
  46     int *mvcost[2],
  47     MV *center_mv
  48 );
  49
  50 typedef int (fractional_mv_step_fp)
  51     (MACROBLOCK *x, BLOCK *b, BLOCKD *d, MV *bestmv, MV *ref_mv,
  52      int error_per_bit, const vp8_variance_fn_ptr_t *vfp, int *mvcost[2]);
  53 extern fractional_mv_step_fp vp8_find_best_sub_pixel_step_iteratively;
  54 extern fractional_mv_step_fp vp8_find_best_sub_pixel_step;
  55 extern fractional_mv_step_fp vp8_find_best_half_pixel_step;
  56 extern fractional_mv_step_fp vp8_skip_fractional_mv_step;
  57
  58 #define prototype_full_search_sad(sym)\
  59     int (sym)\
  60     (\
  61      MACROBLOCK *x, \
  62      BLOCK *b, \
  63      BLOCKD *d, \
  64      MV *ref_mv, \
  65      int error_per_bit, \
  66      int distance, \
  67      vp8_variance_fn_ptr_t *fn_ptr, \
  68      int *mvcost[2], \
  69      int *mvsadcost[2], \
  70      MV *center_mv \
  71     )
  72
  73 #define prototype_diamond_search_sad(sym)\
  74     int (sym)\
  75     (\
  76      MACROBLOCK *x, \
  77      BLOCK *b, \
  78      BLOCKD *d, \
  79      MV *ref_mv, \
  80      MV *best_mv, \
  81      int search_param, \
  82      int error_per_bit, \
  83      int *num00, \
  84      vp8_variance_fn_ptr_t *fn_ptr, \
  85      int *mvsadcost[2], \
  86      int *mvcost[2], \
  87      MV *center_mv \
  88     )
  89
  90 #if ARCH_X86 || ARCH_X86_64
  91 #include "x86/mcomp_x86.h"
  92 #endif
  93
  94 typedef prototype_full_search_sad(*vp8_full_search_fn_t);
  95 extern prototype_full_search_sad(vp8_full_search_sad);
  96 extern prototype_full_search_sad(vp8_full_search_sadx3);
  97 extern prototype_full_search_sad(vp8_full_search_sadx8);
  98
  99 typedef prototype_diamond_search_sad(*vp8_diamond_search_fn_t);
 100 extern prototype_diamond_search_sad(vp8_diamond_search_sad);
 101 extern prototype_diamond_search_sad(vp8_diamond_search_sadx4);
 102
 103 #ifndef vp8_search_full_search
 104 #define vp8_search_full_search vp8_full_search_sad
 105 #endif
 106 extern prototype_full_search_sad(vp8_search_full_search);
 107
 108 #ifndef vp8_search_diamond_search
 109 #define vp8_search_diamond_search vp8_diamond_search_sad
 110 #endif
 111 extern prototype_diamond_search_sad(vp8_search_diamond_search);
 112
 113 typedef struct
 114 {
 115     prototype_full_search_sad(*full_search);
 116     prototype_diamond_search_sad(*diamond_search);
 117 } vp8_search_rtcd_vtable_t;
 118
 119 #if CONFIG_RUNTIME_CPU_DETECT
 120 #define SEARCH_INVOKE(ctx,fn) (ctx)->fn
 121 #else
 122 #define SEARCH_INVOKE(ctx,fn) vp8_search_##fn
 123 #endif
 124
 125 #endif