Files
mpp/osal/inc/mpp_common.h
2015-08-18 13:07:40 +00:00

71 lines
2.0 KiB
C

/*
* Copyright 2010 Rockchip Electronics S.LSI Co. LTD
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __MPP_COMMON_H__
#define __MPP_COMMON_H__
#include "rk_type.h"
#define MPP_TAG_SIZE 32
#define MPP_MAX(a, b) ((a) > (b) ? (a) : (b))
#define MPP_MAX3(a, b, c) MPP_MAX(MPP_MAX(a,b),c)
#define MPP_MAX4(a, b, c, d) MPP_MAX((a), MPP_MAX3((b), (c), (d)))
#define MPP_MIN(a,b) ((a) > (b) ? (b) : (a))
#define MPP_MIN3(a,b,c) MPP_MIN(MPP_MIN(a,b),c)
#define MPP_MIN4(a, b, c, d) MPP_MIN((a), MPP_MIN3((b), (c), (d)))
#define MPP_SWAP(type, a, b) do {type SWAP_tmp = b; b = a; a = SWAP_tmp;} while(0)
#define MPP_ARRAY_ELEMS(a) (sizeof(a) / sizeof((a)[0]))
#define MPP_ALIGN(x, a) (((x)+(a)-1)&~((a)-1))
#define MPP_VSWAP(a, b) { a ^= b; b ^= a; a ^= b; }
#include <stdio.h>
#if defined(_WIN32) && !defined(__MINGW32CE__)
#define snprintf _snprintf
#define fseeko _fseeki64
#elif defined(__MINGW32CE__)
#define fseeko fseeko64
#endif
#ifdef __cplusplus
extern "C" {
#endif
RK_S32 mpp_log2(RK_U32 v);
RK_S32 mpp_log2_16bit(RK_U32 v);
static inline RK_S32 mpp_ceil_log2(RK_S32 x)
{
return mpp_log2((x - 1) << 1);
}
static inline RK_S32 mpp_clip(RK_S32 a, RK_S32 amin, RK_S32 amax)
{
if (a < amin) return amin;
else if (a > amax) return amax;
else return a;
}
#ifdef __cplusplus
}
#endif
#endif /*__MPP_COMMON_H__*/