52 lines
1.3 KiB
C
52 lines
1.3 KiB
C
/*
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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
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* 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 VP8_COMMON_COMMON_H_
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#define VP8_COMMON_COMMON_H_
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#include <assert.h>
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/* Interface header for common constant data structures and lookup tables */
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#include "vpx_mem/vpx_mem.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define MIN(x, y) (((x) < (y)) ? (x) : (y))
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#define MAX(x, y) (((x) > (y)) ? (x) : (y))
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/* Only need this for fixed-size arrays, for structs just assign. */
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#define vp8_copy( Dest, Src) { \
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assert( sizeof( Dest) == sizeof( Src)); \
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vpx_memcpy( Dest, Src, sizeof( Src)); \
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}
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/* Use this for variably-sized arrays. */
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#define vp8_copy_array( Dest, Src, N) { \
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assert( sizeof( *Dest) == sizeof( *Src)); \
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vpx_memcpy( Dest, Src, N * sizeof( *Src)); \
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}
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#define vp8_zero( Dest) vpx_memset( &Dest, 0, sizeof( Dest));
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#define vp8_zero_array( Dest, N) vpx_memset( Dest, 0, N * sizeof( *Dest));
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // VP8_COMMON_COMMON_H_
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