vpx/vp8/common/bigend.h

33 lines
877 B
C
Raw Normal View History

2010-05-18 17:58:33 +02:00
/*
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
2010-05-18 17:58:33 +02:00
*
* 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.
2010-05-18 17:58:33 +02:00
*/
#ifndef _bigend_h
#define _bigend_h
#if defined(__cplusplus)
extern "C" {
#endif
#define invert2(x) ( (((x)>>8)&0x00ff) | (((x)<<8)&0xff00) )
#define invert4(x) ( ((invert2(x)&0x0000ffff)<<16) | (invert2((x>>16))&0x0000ffff) )
#define high_byte(x) (unsigned char)x
#define mid2Byte(x) (unsigned char)(x >> 8)
#define mid1Byte(x) (unsigned char)(x >> 16)
#define low_byte(x) (unsigned char)(x >> 24)
#define SWAPENDS 1
#if defined(__cplusplus)
}
#endif
#endif