ref: f0961498a0e891b4a8929a90ca3b221027c7f524
dir: /vp10/common/mv.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 VP10_COMMON_MV_H_ #define VP10_COMMON_MV_H_ #include "vpx/vpx_integer.h" #include "vp10/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; 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 // VP10_COMMON_MV_H_