ref: 9f128b3ed9fc2f431444f7cea238a288fb0e470c
dir: /vp8/common/common.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 VP8_COMMON_COMMON_H_
#define VP8_COMMON_COMMON_H_
#include <assert.h>
/* Interface header for common constant data structures and lookup tables */
#include "vpx_mem/vpx_mem.h"
#ifdef __cplusplus
extern "C" {
#endif
#define MIN(x, y) (((x) < (y)) ? (x) : (y))
#define MAX(x, y) (((x) > (y)) ? (x) : (y))
/* Only need this for fixed-size arrays, for structs just assign. */
#define vp8_copy( Dest, Src) { \
assert( sizeof( Dest) == sizeof( Src)); \
vpx_memcpy( Dest, Src, sizeof( Src)); \
}
/* Use this for variably-sized arrays. */
#define vp8_copy_array( Dest, Src, N) { \
assert( sizeof( *Dest) == sizeof( *Src)); \
vpx_memcpy( Dest, Src, N * sizeof( *Src)); \
}
#define vp8_zero( Dest) vpx_memset( &Dest, 0, sizeof( Dest));
#define vp8_zero_array( Dest, N) vpx_memset( Dest, 0, N * sizeof( *Dest));
#ifdef __cplusplus
} // extern "C"
#endif
#endif // VP8_COMMON_COMMON_H_