mirror of https://github.com/NekoX-Dev/NekoX.git
127 lines
4.6 KiB
C++
127 lines
4.6 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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* \file utils.c
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*
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* \brief common tool/function utilization
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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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#include "utils.h"
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#include "crt_util_safe_x.h" // Safe CRT routines like utils for cross platforms
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#include "codec_app_def.h"
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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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void WelsLog (SLogContext* logCtx, int32_t iLevel, const char* kpFmt, ...) {
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va_list vl;
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char pTraceTag[MAX_LOG_SIZE] = {0};
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switch (iLevel) {
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case WELS_LOG_ERROR:
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WelsSnprintf (pTraceTag, MAX_LOG_SIZE, "[OpenH264] this = 0x%p, Error:", logCtx->pCodecInstance);
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break;
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case WELS_LOG_WARNING:
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WelsSnprintf (pTraceTag, MAX_LOG_SIZE, "[OpenH264] this = 0x%p, Warning:", logCtx->pCodecInstance);
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break;
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case WELS_LOG_INFO:
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WelsSnprintf (pTraceTag, MAX_LOG_SIZE, "[OpenH264] this = 0x%p, Info:", logCtx->pCodecInstance);
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break;
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case WELS_LOG_DEBUG:
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WelsSnprintf (pTraceTag, MAX_LOG_SIZE, "[OpenH264] this = 0x%p, Debug:", logCtx->pCodecInstance);
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break;
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default:
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WelsSnprintf (pTraceTag, MAX_LOG_SIZE, "[OpenH264] this = 0x%p, Detail:", logCtx->pCodecInstance);
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break;
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}
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WelsStrcat (pTraceTag, MAX_LOG_SIZE, kpFmt);
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va_start (vl, kpFmt);
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logCtx->pfLog (logCtx->pLogCtx, iLevel, pTraceTag, vl);
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va_end (vl);
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}
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#ifndef CALC_PSNR
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#define CONST_FACTOR_PSNR (10.0 / log(10.0)) // for good computation
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#define CALC_PSNR(w, h, s) ((float)(CONST_FACTOR_PSNR * log( 65025.0 * w * h / s )))
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#endif//CALC_PSNR
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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 pTarPic target picture to be calculated in Picture pData format
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* \param iTarStride stride of target picture pData pBuffer
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* \param pRefPic base referencing picture samples
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* \param iRefStride stride of reference picture pData pBuffer
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* \param iWidth picture iWidth in pixel
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* \param iHeight 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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int64_t iSqe = 0;
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int32_t x, y;
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uint8_t* pTar = (uint8_t*)kpTarPic;
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uint8_t* pRef = (uint8_t*)kpRefPic;
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if (NULL == pTar || NULL == pRef)
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return (-1.0f);
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for (y = 0; y < kiHeight; ++ y) { // OPTable !!
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for (x = 0; x < kiWidth; ++ x) {
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const int32_t kiT = pTar[y * kiTarStride + x] - pRef[y * kiRefStride + x];
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iSqe += kiT * kiT;
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}
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}
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if (0 == iSqe) {
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return (99.99f);
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}
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return CALC_PSNR (kiWidth, kiHeight, iSqe);
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}
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