66 строки
1.5 KiB
C
66 строки
1.5 KiB
C
/*
|
|
* Copyright (c) 2016, Alliance for Open Media. All rights reserved
|
|
*
|
|
* This source code is subject to the terms of the BSD 2 Clause License and
|
|
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
|
|
* was not distributed with this source code in the LICENSE file, you can
|
|
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
|
|
* Media Patent License 1.0 was not distributed with this source code in the
|
|
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
|
|
*/
|
|
|
|
#ifndef AV1_COMMON_MV_H_
|
|
#define AV1_COMMON_MV_H_
|
|
|
|
#include "aom/aom_integer.h"
|
|
|
|
#include "av1/common/common.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
typedef struct mv {
|
|
int16_t row;
|
|
int16_t col;
|
|
} MV;
|
|
|
|
typedef union int_mv {
|
|
uint32_t as_int;
|
|
MV as_mv;
|
|
} int_mv; /* facilitates faster equality tests and copies */
|
|
|
|
typedef struct mv32 {
|
|
int32_t row;
|
|
int32_t col;
|
|
} MV32;
|
|
|
|
#if CONFIG_REF_MV
|
|
typedef struct candidate_mv {
|
|
int_mv this_mv;
|
|
int_mv comp_mv;
|
|
int_mv pred_mv[2];
|
|
int weight;
|
|
} CANDIDATE_MV;
|
|
#endif
|
|
|
|
static INLINE int is_zero_mv(const MV *mv) {
|
|
return *((const uint32_t *)mv) == 0;
|
|
}
|
|
|
|
static INLINE int is_equal_mv(const MV *a, const MV *b) {
|
|
return *((const uint32_t *)a) == *((const uint32_t *)b);
|
|
}
|
|
|
|
static INLINE void clamp_mv(MV *mv, int min_col, int max_col, int min_row,
|
|
int max_row) {
|
|
mv->col = clamp(mv->col, min_col, max_col);
|
|
mv->row = clamp(mv->row, min_row, max_row);
|
|
}
|
|
|
|
#ifdef __cplusplus
|
|
} // extern "C"
|
|
#endif
|
|
|
|
#endif // AV1_COMMON_MV_H_
|