ref: 12aaff560b0615c6ebce1f707251a1bbead3d7f3
dir: /vp9/encoder/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"
#ifdef __cplusplus
extern "C" {
#endif
// 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)
// motion search site
typedef struct search_site {
MV mv;
int offset;
} search_site;
typedef struct search_site_config {
search_site ss[8 * MAX_MVSEARCH_STEPS + 1];
int ss_count;
int searches_per_step;
} search_site_config;
void vp9_init_dsmotion_compensation(search_site_config *cfg, int stride);
void vp9_init3smotion_compensation(search_site_config *cfg, int stride);
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);
// Utility to compute variance + MV rate cost for a given MV
int vp9_get_mvpred_var(const MACROBLOCK *x,
const MV *best_mv, const MV *center_mv,
const vp9_variance_fn_ptr_t *vfp,
int use_mvcost);
int vp9_get_mvpred_av_var(const MACROBLOCK *x,
const MV *best_mv, const MV *center_mv,
const uint8_t *second_pred,
const vp9_variance_fn_ptr_t *vfp,
int use_mvcost);
struct VP9_COMP;
struct SPEED_FEATURES;
int vp9_init_search_range(int size);
// Runs sequence of diamond searches in smaller steps for RD
int vp9_full_pixel_diamond(const struct VP9_COMP *cpi, MACROBLOCK *x,
MV *mvp_full, int step_param,
int sadpb, int further_steps, int do_refine,
const vp9_variance_fn_ptr_t *fn_ptr,
const MV *ref_mv, MV *dst_mv);
typedef int (integer_mv_pattern_search_fn) (
const MACROBLOCK *x,
MV *ref_mv,
int search_param,
int error_per_bit,
int do_init_search,
int *sad_list,
const vp9_variance_fn_ptr_t *vf,
int use_mvcost,
const MV *center_mv,
MV *best_mv);
integer_mv_pattern_search_fn vp9_hex_search;
integer_mv_pattern_search_fn vp9_bigdia_search;
integer_mv_pattern_search_fn vp9_square_search;
integer_mv_pattern_search_fn vp9_fast_hex_search;
integer_mv_pattern_search_fn vp9_fast_dia_search;
typedef int (fractional_mv_step_fp) (
const MACROBLOCK *x,
MV *bestmv, const MV *ref_mv,
int allow_hp,
int error_per_bit,
const vp9_variance_fn_ptr_t *vfp,
int forced_stop, // 0 - full, 1 - qtr only, 2 - half only
int iters_per_step,
int *sad_list,
int *mvjcost, int *mvcost[2],
int *distortion, unsigned int *sse1,
const uint8_t *second_pred,
int w, int h);
extern fractional_mv_step_fp vp9_find_best_sub_pixel_tree;
extern fractional_mv_step_fp vp9_find_best_sub_pixel_tree_pruned;
typedef int (*vp9_full_search_fn_t)(const MACROBLOCK *x,
const MV *ref_mv, int sad_per_bit,
int distance,
const vp9_variance_fn_ptr_t *fn_ptr,
const MV *center_mv, MV *best_mv);
typedef int (*vp9_refining_search_fn_t)(const MACROBLOCK *x,
MV *ref_mv, int sad_per_bit,
int distance,
const vp9_variance_fn_ptr_t *fn_ptr,
const MV *center_mv);
typedef int (*vp9_diamond_search_fn_t)(const MACROBLOCK *x,
const search_site_config *cfg,
MV *ref_mv, MV *best_mv,
int search_param, int sad_per_bit,
int *num00,
const vp9_variance_fn_ptr_t *fn_ptr,
const MV *center_mv);
int vp9_refining_search_8p_c(const MACROBLOCK *x,
MV *ref_mv, int error_per_bit,
int search_range,
const vp9_variance_fn_ptr_t *fn_ptr,
const MV *center_mv, const uint8_t *second_pred);
struct VP9_COMP;
int vp9_full_pixel_search(struct VP9_COMP *cpi, MACROBLOCK *x,
BLOCK_SIZE bsize, MV *mvp_full,
int step_param, int error_per_bit,
int *sad_list,
const MV *ref_mv, MV *tmp_mv,
int var_max, int rd);
#ifdef __cplusplus
} // extern "C"
#endif
#endif // VP9_ENCODER_VP9_MCOMP_H_