1/* 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 12#ifndef VP8_COMMON_COMMON_H_ 13#define VP8_COMMON_COMMON_H_ 14 15#include <assert.h> 16 17/* Interface header for common constant data structures and lookup tables */ 18 19#include "vpx_mem/vpx_mem.h" 20 21#ifdef __cplusplus 22extern "C" { 23#endif 24 25#define MIN(x, y) (((x) < (y)) ? (x) : (y)) 26#define MAX(x, y) (((x) > (y)) ? (x) : (y)) 27 28/* Only need this for fixed-size arrays, for structs just assign. */ 29 30#define vp8_copy( Dest, Src) { \ 31 assert( sizeof( Dest) == sizeof( Src)); \ 32 memcpy( Dest, Src, sizeof( Src)); \ 33 } 34 35/* Use this for variably-sized arrays. */ 36 37#define vp8_copy_array( Dest, Src, N) { \ 38 assert( sizeof( *Dest) == sizeof( *Src)); \ 39 memcpy( Dest, Src, N * sizeof( *Src)); \ 40 } 41 42#define vp8_zero( Dest) memset( &Dest, 0, sizeof( Dest)); 43 44#define vp8_zero_array( Dest, N) memset( Dest, 0, N * sizeof( *Dest)); 45 46 47#ifdef __cplusplus 48} // extern "C" 49#endif 50 51#endif // VP8_COMMON_COMMON_H_ 52