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      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 
     29 extern void print_mode_context(void);
     30 extern int vp8_mv_bit_cost(MV *mv, MV *ref, int *mvcost[2], int Weight);
     31 extern void vp8_init_dsmotion_compensation(MACROBLOCK *x, int stride);
     32 extern void vp8_init3smotion_compensation(MACROBLOCK *x,  int stride);
     33 
     34 
     35 extern int vp8_hex_search
     36 (
     37     MACROBLOCK *x,
     38     BLOCK *b,
     39     BLOCKD *d,
     40     MV *ref_mv,
     41     MV *best_mv,
     42     int search_param,
     43     int error_per_bit,
     44     int *num00,
     45     vp8_variance_fn_t vf,
     46     vp8_sad_fn_t sf,
     47     int *mvsadcost[2],
     48     int *mvcost[2]
     49 
     50 );
     51 
     52 typedef int (fractional_mv_step_fp)(MACROBLOCK *x, BLOCK *b, BLOCKD *d, MV *bestmv, MV *ref_mv, int error_per_bit, vp8_subpixvariance_fn_t svf, vp8_variance_fn_t vf, 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     )
     71 
     72 #define prototype_diamond_search_sad(sym)\
     73     int (sym)\
     74     (\
     75      MACROBLOCK *x, \
     76      BLOCK *b, \
     77      BLOCKD *d, \
     78      MV *ref_mv, \
     79      MV *best_mv, \
     80      int search_param, \
     81      int error_per_bit, \
     82      int *num00, \
     83      vp8_variance_fn_ptr_t *fn_ptr, \
     84      int *mvsadcost[2], \
     85      int *mvcost[2] \
     86     )
     87 
     88 #if ARCH_X86 || ARCH_X86_64
     89 #include "x86/mcomp_x86.h"
     90 #endif
     91 
     92 typedef prototype_full_search_sad(*vp8_full_search_fn_t);
     93 extern prototype_full_search_sad(vp8_full_search_sad);
     94 extern prototype_full_search_sad(vp8_full_search_sadx3);
     95 
     96 typedef prototype_diamond_search_sad(*vp8_diamond_search_fn_t);
     97 extern prototype_diamond_search_sad(vp8_diamond_search_sad);
     98 extern prototype_diamond_search_sad(vp8_diamond_search_sadx4);
     99 
    100 #ifndef vp8_search_full_search
    101 #define vp8_search_full_search vp8_full_search_sad
    102 #endif
    103 extern prototype_full_search_sad(vp8_search_full_search);
    104 
    105 #ifndef vp8_search_diamond_search
    106 #define vp8_search_diamond_search vp8_diamond_search_sad
    107 #endif
    108 extern prototype_diamond_search_sad(vp8_search_diamond_search);
    109 
    110 typedef struct
    111 {
    112     prototype_full_search_sad(*full_search);
    113     prototype_diamond_search_sad(*diamond_search);
    114 } vp8_search_rtcd_vtable_t;
    115 
    116 #if CONFIG_RUNTIME_CPU_DETECT
    117 #define SEARCH_INVOKE(ctx,fn) (ctx)->fn
    118 #else
    119 #define SEARCH_INVOKE(ctx,fn) vp8_search_##fn
    120 #endif
    121 
    122 #endif
    123