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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 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
    126