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