56 lines
1.3 KiB
C
56 lines
1.3 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 VP9_COMMON_VP9_MV_H_
|
|
#define VP9_COMMON_VP9_MV_H_
|
|
|
|
#include "vpx/vpx_integer.h"
|
|
|
|
#include "vp9/common/vp9_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;
|
|
|
|
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 // VP9_COMMON_VP9_MV_H_
|