michael@0: /*
michael@0:  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
michael@0:  *
michael@0:  *  Use of this source code is governed by a BSD-style license
michael@0:  *  that can be found in the LICENSE file in the root of the source
michael@0:  *  tree. An additional intellectual property rights grant can be found
michael@0:  *  in the file PATENTS.  All contributing project authors may
michael@0:  *  be found in the AUTHORS file in the root of the source tree.
michael@0:  */
michael@0: 
michael@0: #ifndef VP9_COMMON_VP9_MV_H_
michael@0: #define VP9_COMMON_VP9_MV_H_
michael@0: 
michael@0: #include "vpx/vpx_integer.h"
michael@0: 
michael@0: #include "vp9/common/vp9_common.h"
michael@0: 
michael@0: typedef struct {
michael@0:   int16_t row;
michael@0:   int16_t col;
michael@0: } MV;
michael@0: 
michael@0: typedef union int_mv {
michael@0:   uint32_t as_int;
michael@0:   MV as_mv;
michael@0: } int_mv; /* facilitates faster equality tests and copies */
michael@0: 
michael@0: typedef struct {
michael@0:   int32_t row;
michael@0:   int32_t col;
michael@0: } MV32;
michael@0: 
michael@0: static void clamp_mv(MV *mv, int min_col, int max_col,
michael@0:                              int min_row, int max_row) {
michael@0:   mv->col = clamp(mv->col, min_col, max_col);
michael@0:   mv->row = clamp(mv->row, min_row, max_row);
michael@0: }
michael@0: 
michael@0: #endif  // VP9_COMMON_VP9_MV_H_