ref: 32ce337eb09a64bc4d97803c08cc0aefd757f840
dir: /codec/common/inc/utils.h/
/*!
* \copy
* Copyright (c) 2009-2013, Cisco Systems
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*
* \brief Tool kits for decoder
* ( malloc, realloc, free, log output and PSNR calculation and so on )
*
* \date 03/10/2009 Created
*
*************************************************************************************
*/
#ifndef WELS_UTILS_H__
#define WELS_UTILS_H__
#include <stdarg.h>
#include "typedefs.h"
/*
* Function pointer declaration for various tool sets
*/
// wels log output
typedef void (*PWelsLogCallbackFunc) (void* pCtx, const int32_t iLevel, const char* kpFmt, va_list argv);
typedef struct TagLogContext {
PWelsLogCallbackFunc pfLog;
void* pLogCtx;
} SLogContext;
#ifdef __GNUC__
extern void WelsLog (SLogContext* pCtx, int32_t iLevel, const char* kpFmt, ...) __attribute__ ((__format__ (__printf__, 3,
4)));
#else
extern void WelsLog (SLogContext* pCtx, int32_t iLevel, const char* kpFmt, ...);
#endif
/*
* PSNR calculation routines
*/
/*!
*************************************************************************************
* \brief PSNR calculation utilization in Wels
*
* \param kpTarPic target picture to be calculated in Picture pData format
* \param kiTarStride stride of target picture pData pBuffer
* \param kpRefPic base referencing picture samples
* \param kiRefStride stride of reference picture pData pBuffer
* \param kiWidth picture iWidth in pixel
* \param kiHeight picture iHeight in pixel
*
* \return actual PSNR result;
*
* \note N/A
*************************************************************************************
*/
float WelsCalcPsnr (const void* kpTarPic,
const int32_t kiTarStride,
const void* kpRefPic,
const int32_t kiRefStride,
const int32_t kiWidth,
const int32_t kiHeight);
#endif//WELS_UTILS_H__