vp9_mcomp.h

/*
 *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */


#ifndef VP9_ENCODER_VP9_MCOMP_H_
#define VP9_ENCODER_VP9_MCOMP_H_

#include "vp9/encoder/vp9_block.h"
#include "vp9/encoder/vp9_variance.h"

// The maximum number of steps in a step search given the largest
// allowed initial step
#define MAX_MVSEARCH_STEPS 11
// Max full pel mv specified in the unit of full pixel
// Enable the use of motion vector in range [-1023, 1023].
#define MAX_FULL_PEL_VAL ((1 << (MAX_MVSEARCH_STEPS - 1)) - 1)
// Maximum size of the first step in full pel units
#define MAX_FIRST_STEP (1 << (MAX_MVSEARCH_STEPS-1))
// Allowed motion vector pixel distance outside image border
// for Block_16x16
#define BORDER_MV_PIXELS_B16 (16 + VP9_INTERP_EXTEND)


void vp9_set_mv_search_range(MACROBLOCK *x, const MV *mv);
int vp9_mv_bit_cost(const MV *mv, const MV *ref,
                    const int *mvjcost, int *mvcost[2], int weight);
void vp9_init_dsmotion_compensation(MACROBLOCK *x, int stride);
void vp9_init3smotion_compensation(MACROBLOCK *x,  int stride);

struct VP9_COMP;
int vp9_init_search_range(struct VP9_COMP *cpi, int size);

// Runs sequence of diamond searches in smaller steps for RD
int vp9_full_pixel_diamond(struct VP9_COMP *cpi, MACROBLOCK *x,
                           MV *mvp_full, int step_param,
                           int sadpb, int further_steps, int do_refine,
                           vp9_variance_fn_ptr_t *fn_ptr,
                           const MV *ref_mv, int_mv *dst_mv);

int vp9_hex_search(MACROBLOCK *x,
                   MV *ref_mv,
                   int search_param,
                   int error_per_bit,
                   int do_init_search,
                   const vp9_variance_fn_ptr_t *vf,
                   int use_mvcost,
                   const MV *center_mv,
                   MV *best_mv);
int vp9_bigdia_search(MACROBLOCK *x,
                      MV *ref_mv,
                      int search_param,
                      int error_per_bit,
                      int do_init_search,
                      const vp9_variance_fn_ptr_t *vf,
                      int use_mvcost,
                      const MV *center_mv,
                      MV *best_mv);
int vp9_square_search(MACROBLOCK *x,
                      MV *ref_mv,
                      int search_param,
                      int error_per_bit,
                      int do_init_search,
                      const vp9_variance_fn_ptr_t *vf,