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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 "vp8/common/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 /* The maximum number of steps in a step search given the largest allowed
     25  * initial step
     26  */
     27 #define MAX_MVSEARCH_STEPS 8
     28 
     29 /* Max full pel mv specified in 1 pel units */
     30 #define MAX_FULL_PEL_VAL ((1 << (MAX_MVSEARCH_STEPS)) - 1)
     31 
     32 /* Maximum size of the first step in full pel units */
     33 #define MAX_FIRST_STEP (1 << (MAX_MVSEARCH_STEPS-1))
     34 
     35 extern void print_mode_context(void);
     36 extern int vp8_mv_bit_cost(int_mv *mv, int_mv *ref, int *mvcost[2], int Weight);
     37 extern void vp8_init_dsmotion_compensation(MACROBLOCK *x, int stride);
     38 extern void vp8_init3smotion_compensation(MACROBLOCK *x,  int stride);
     39 
     40 
     41 extern int vp8_hex_search
     42 (
     43     MACROBLOCK *x,
     44     BLOCK *b,
     45     BLOCKD *d,
     46     int_mv *ref_mv,
     47     int_mv *best_mv,
     48     int search_param,
     49     int error_per_bit,
     50     const vp8_variance_fn_ptr_t *vf,
     51     int *mvsadcost[2],
     52     int *mvcost[2],
     53     int_mv *center_mv
     54 );
     55 
     56 typedef int (fractional_mv_step_fp)
     57     (MACROBLOCK *x, BLOCK *b, BLOCKD *d, int_mv *bestmv, int_mv *ref_mv,
     58      int error_per_bit, const vp8_variance_fn_ptr_t *vfp, int *mvcost[2],
     59      int *distortion, unsigned int *sse);
     60 
     61 extern fractional_mv_step_fp vp8_find_best_sub_pixel_step_iteratively;
     62 extern fractional_mv_step_fp vp8_find_best_sub_pixel_step;
     63 extern fractional_mv_step_fp vp8_find_best_half_pixel_step;
     64 extern fractional_mv_step_fp vp8_skip_fractional_mv_step;
     65 
     66 typedef int (*vp8_full_search_fn_t)
     67     (
     68      MACROBLOCK *x,
     69      BLOCK *b,
     70      BLOCKD *d,
     71      int_mv *ref_mv,
     72      int sad_per_bit,
     73      int distance,
     74      vp8_variance_fn_ptr_t *fn_ptr,
     75      int *mvcost[2],
     76      int_mv *center_mv
     77     );
     78 
     79 typedef int (*vp8_refining_search_fn_t)
     80     (
     81      MACROBLOCK *x,
     82      BLOCK *b,
     83      BLOCKD *d,
     84      int_mv *ref_mv,
     85      int sad_per_bit,
     86      int distance,
     87      vp8_variance_fn_ptr_t *fn_ptr,
     88      int *mvcost[2],
     89      int_mv *center_mv
     90     );
     91 
     92 typedef int (*vp8_diamond_search_fn_t)
     93     (
     94      MACROBLOCK *x,
     95      BLOCK *b,
     96      BLOCKD *d,
     97      int_mv *ref_mv,
     98      int_mv *best_mv,
     99      int search_param,
    100      int sad_per_bit,
    101      int *num00,
    102      vp8_variance_fn_ptr_t *fn_ptr,
    103      int *mvcost[2],
    104      int_mv *center_mv
    105     );
    106 
    107 #endif
    108