vp9_mv.h 1.07 KB
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/*
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 *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
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 *
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 *  Use of this source code is governed by a BSD-style license
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 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
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 *  in the file PATENTS.  All contributing project authors may
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 *  be found in the AUTHORS file in the root of the source tree.
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 */

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#ifndef VP9_COMMON_VP9_MV_H_
#define VP9_COMMON_VP9_MV_H_
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#include "vpx/vpx_integer.h"
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#include "vp9/common/vp9_common.h"

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#ifdef __cplusplus
extern "C" {
#endif

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typedef struct mv {
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  int16_t row;
  int16_t col;
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} MV;

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typedef union int_mv {
  uint32_t as_int;
  MV as_mv;
} int_mv; /* facilitates faster equality tests and copies */
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typedef struct mv32 {
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  int32_t row;
  int32_t col;
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} MV32;
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static 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);
}

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#ifdef __cplusplus
}  // extern "C"
#endif

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#endif  // VP9_COMMON_VP9_MV_H_