vpx/vp8/encoder/mcomp.h
Yunqing Wang b748045470 Bug fix in motion vector limit calculation
Motion vector limits are calculated using right shifts, which
could give wrong results for negative numbers. James Berry's
test on one clip showed encoder produced some artifacts. This
change fixed that.

Change-Id: I035fc02280b10455b7f6eb388f7c2e33b796b018
2011-06-30 11:20:13 -04:00

148 lines
4.3 KiB
C

/*
* 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 __INC_MCOMP_H
#define __INC_MCOMP_H
#include "block.h"
#include "variance.h"
#ifdef ENTROPY_STATS
extern void init_mv_ref_counts();
extern void accum_mv_refs(MB_PREDICTION_MODE, const int near_mv_ref_cts[4]);
#endif
#define MAX_MVSEARCH_STEPS 8 // The maximum number of steps in a step search given the largest allowed initial step
#define MAX_FULL_PEL_VAL ((1 << (MAX_MVSEARCH_STEPS)) - 1) // Max full pel mv specified in 1 pel units
#define MAX_FIRST_STEP (1 << (MAX_MVSEARCH_STEPS-1)) // Maximum size of the first step in full pel units
extern void print_mode_context(void);
extern int vp8_mv_bit_cost(int_mv *mv, int_mv *ref, int *mvcost[2], int Weight);
extern void vp8_init_dsmotion_compensation(MACROBLOCK *x, int stride);
extern void vp8_init3smotion_compensation(MACROBLOCK *x, int stride);
extern int vp8_hex_search
(
MACROBLOCK *x,
BLOCK *b,
BLOCKD *d,
int_mv *ref_mv,
int_mv *best_mv,
int search_param,
int error_per_bit,
const vp8_variance_fn_ptr_t *vf,
int *mvsadcost[2],
int *mvcost[2],
int_mv *center_mv
);
typedef int (fractional_mv_step_fp)
(MACROBLOCK *x, BLOCK *b, BLOCKD *d, int_mv *bestmv, int_mv *ref_mv,
int error_per_bit, const vp8_variance_fn_ptr_t *vfp, int *mvcost[2],
int *distortion, unsigned int *sse);
extern fractional_mv_step_fp vp8_find_best_sub_pixel_step_iteratively;
extern fractional_mv_step_fp vp8_find_best_sub_pixel_step;
extern fractional_mv_step_fp vp8_find_best_half_pixel_step;
extern fractional_mv_step_fp vp8_skip_fractional_mv_step;
#define prototype_full_search_sad(sym)\
int (sym)\
(\
MACROBLOCK *x, \
BLOCK *b, \
BLOCKD *d, \
int_mv *ref_mv, \
int sad_per_bit, \
int distance, \
vp8_variance_fn_ptr_t *fn_ptr, \
int *mvcost[2], \
int_mv *center_mv \
)
#define prototype_refining_search_sad(sym)\
int (sym)\
(\
MACROBLOCK *x, \
BLOCK *b, \
BLOCKD *d, \
int_mv *ref_mv, \
int sad_per_bit, \
int distance, \
vp8_variance_fn_ptr_t *fn_ptr, \
int *mvcost[2], \
int_mv *center_mv \
)
#define prototype_diamond_search_sad(sym)\
int (sym)\
(\
MACROBLOCK *x, \
BLOCK *b, \
BLOCKD *d, \
int_mv *ref_mv, \
int_mv *best_mv, \
int search_param, \
int sad_per_bit, \
int *num00, \
vp8_variance_fn_ptr_t *fn_ptr, \
int *mvcost[2], \
int_mv *center_mv \
)
#if ARCH_X86 || ARCH_X86_64
#include "x86/mcomp_x86.h"
#endif
typedef prototype_full_search_sad(*vp8_full_search_fn_t);
extern prototype_full_search_sad(vp8_full_search_sad);
extern prototype_full_search_sad(vp8_full_search_sadx3);
extern prototype_full_search_sad(vp8_full_search_sadx8);
typedef prototype_refining_search_sad(*vp8_refining_search_fn_t);
extern prototype_refining_search_sad(vp8_refining_search_sad);
extern prototype_refining_search_sad(vp8_refining_search_sadx4);
typedef prototype_diamond_search_sad(*vp8_diamond_search_fn_t);
extern prototype_diamond_search_sad(vp8_diamond_search_sad);
extern prototype_diamond_search_sad(vp8_diamond_search_sadx4);
#ifndef vp8_search_full_search
#define vp8_search_full_search vp8_full_search_sad
#endif
extern prototype_full_search_sad(vp8_search_full_search);
#ifndef vp8_search_refining_search
#define vp8_search_refining_search vp8_refining_search_sad
#endif
extern prototype_refining_search_sad(vp8_search_refining_search);
#ifndef vp8_search_diamond_search
#define vp8_search_diamond_search vp8_diamond_search_sad
#endif
extern prototype_diamond_search_sad(vp8_search_diamond_search);
typedef struct
{
prototype_full_search_sad(*full_search);
prototype_refining_search_sad(*refining_search);
prototype_diamond_search_sad(*diamond_search);
} vp8_search_rtcd_vtable_t;
#if CONFIG_RUNTIME_CPU_DETECT
#define SEARCH_INVOKE(ctx,fn) (ctx)->fn
#else
#define SEARCH_INVOKE(ctx,fn) vp8_search_##fn
#endif
#endif