ref: 9f822f1391347a29de1284b18dfff0c396a30d8c
dir: /codec/encoder/core/src/utils.cpp/
/*!
* \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.
*
*
* \file utils.c
*
* \brief common tool/function utilization
*
* \date 03/10/2009 Created
*
*************************************************************************************
*/
#if defined(_WIN32)
#include <windows.h>
#include <sys/types.h>
#include <sys/timeb.h>
#ifndef _MSC_VER
#include <sys/time.h>
#endif
#else
#include <sys/time.h>
#endif
#include "utils.h"
#include "property.h"
#include "encoder_context.h"
#include "property.h"
#include "crt_util_safe_x.h" // Safe CRT routines like utils for cross platforms
namespace WelsSVCEnc {
void WelsLogDefault (void* pCtx, const int32_t kiLevel, const char* kpFmtStr, va_list argv);
void WelsLogNil (void* pCtx, const int32_t kiLevel, const char* kpFmtStr, va_list argv);
float WelsCalcPsnr (const void* kpTarPic,
const int32_t kiTarStride,
const void* kpRefPic,
const int32_t kiRefStride,
const int32_t kiWidth,
const int32_t kiHeight);
// to fill default routines
#ifdef ENABLE_TRACE_FILE
PWelsLogCallbackFunc wlog = WelsLogDefault;
#else
PWelsLogCallbackFunc wlog = WelsLogNil;
#endif
iWelsLogLevel g_iLevelLog = WELS_LOG_DEFAULT; // default log iLevel
int32_t g_iSizeLogBuf = 1024; // pBuffer size for each log output
/*
* Log output routines
*/
/*!
* \brief get log tag
* \param kiLevel log iLevel
* \return tag of log iLevel
*/
static inline char* GetLogTag (const int32_t kiLevel, int32_t* pBit) {
int32_t iShift = 0;
int32_t iVal = 0;
bool bFound = false;
if (kiLevel <= 0 || kiLevel > (1 << (WELS_LOG_LEVEL_COUNT - 1)) || NULL == pBit)
return NULL;
for (;;) {
if (iShift >= WELS_LOG_LEVEL_COUNT)
break;
iVal = (1 << iShift);
if (iVal == kiLevel) {
bFound = true;
break;
}
++ iShift;
}
if (bFound) {
*pBit = iShift;
return (char*)g_sWelsLogTags[iShift];
}
return NULL;
}
/*!
*************************************************************************************
* \brief System trace log output in Wels
*
* \param pCtx instance pointer
* \param kiLevel log iLevel ( WELS_LOG_QUIET, ERROR, WARNING, INFO, DEBUG )
* \param kpFmtStr formated string to mount
* \param argv pData string argument
*
* \return NONE
*
* \note N/A
*************************************************************************************
*/
void WelsLogDefault (void* pCtx, const int32_t kiLevel, const char* kpFmtStr, va_list argv) {
sWelsEncCtx* pEncCtx = (sWelsEncCtx*)pCtx;
iWelsLogLevel iVal = (kiLevel & g_iLevelLog);
if (0 == iVal || NULL == pEncCtx) { // such iLevel not enabled
return;
} else {
char pBuf[WELS_LOG_BUF_SIZE + 1] = {0};
const int32_t kiBufSize = sizeof (pBuf) / sizeof (pBuf[0]) - 1;
int32_t iCurUsed = 0;
int32_t iBufUsed = 0;
int32_t iBufLeft = kiBufSize - iBufUsed;
if (pEncCtx) {
SWelsTime tTime;
WelsGetTimeOfDay (&tTime);
iCurUsed = WelsSnprintf (&pBuf[iBufUsed], iBufLeft, "[0x%p @ ", pEncCtx); // confirmed_safe_unsafe_usage
iBufUsed += iCurUsed;
iBufLeft -= iCurUsed;
if (iBufLeft > 0) {
iCurUsed = GetCodeName (&pBuf[iBufUsed], iBufLeft);
iBufUsed += iCurUsed;
iBufLeft -= iCurUsed;
pBuf[iBufUsed] = ' ';
++ iBufUsed;
-- iBufLeft;
iCurUsed = GetLibName (&pBuf[iBufUsed], iBufLeft);
iBufUsed += iCurUsed;
iBufLeft -= iCurUsed;
pBuf[iBufUsed] = ' ';
++ iBufUsed;
-- iBufLeft;
pBuf[iBufUsed] = 'v';
++ iBufUsed;
-- iBufLeft;
iCurUsed = GetVerNum (&pBuf[iBufUsed], iBufLeft);
iBufUsed += iCurUsed;
iBufLeft -= iCurUsed;
pBuf[iBufUsed] = ' ';
++ iBufUsed;
-- iBufLeft;
}
if (iBufLeft > 0) {
iCurUsed = WelsStrftime (&pBuf[iBufUsed], iBufLeft, "%y-%m-%d %H:%M:%S", &tTime);
iBufUsed += iCurUsed;
iBufLeft -= iCurUsed;
} else {
return;
}
if (iBufLeft > 0) {
iCurUsed = WelsSnprintf (&pBuf[iBufUsed], iBufLeft, ".%3.3u]: ", tTime.millitm); // confirmed_safe_unsafe_usage
iBufUsed += iCurUsed;
iBufLeft -= iCurUsed;
} else {
return;
}
}
// fixed stack corruption issue on vs2008
if (iBufLeft > 0) {
int32_t i_shift = 0;
char* pStr = NULL;
pStr = GetLogTag (kiLevel, &i_shift);
if (NULL != pStr) {
iCurUsed = WelsSnprintf (&pBuf[iBufUsed], iBufLeft, "%s ", pStr);
iBufUsed += iCurUsed;
iBufLeft -= iCurUsed;
}
}
if (iBufLeft > 0) {
iCurUsed = WelsVsnprintf (&pBuf[iBufUsed], iBufLeft, kpFmtStr, argv); // confirmed_safe_unsafe_usage
iBufUsed += iCurUsed;
iBufLeft -= iCurUsed;
}
#ifdef ENABLE_TRACE_FILE
if (NULL != pEncCtx && NULL != pEncCtx->pFileLog) {
if (pEncCtx->uiSizeLog > MAX_TRACE_LOG_SIZE) {
if (0 == WelsFseek (pEncCtx->pFileLog, 0L, SEEK_SET))
pEncCtx->uiSizeLog = 0;
}
if (iBufUsed > 0 && iBufUsed < WELS_LOG_BUF_SIZE) {
iCurUsed = WelsFwrite (pBuf, 1, iBufUsed, pEncCtx->pFileLog);
WelsFflush (pEncCtx->pFileLog);
if (iCurUsed == iBufUsed)
pEncCtx->uiSizeLog += iBufUsed;
}
} else {
#if defined(_WIN32) && defined(_DEBUG)
OutputDebugStringA (pBuf);
#endif
}
#endif//ENABLE_TRACE_FILE
}
}
void WelsLogNil (void* pCtx, const int32_t kiLevel, const char* kpFmtStr, va_list argv) {
// NULL implementation
}
/*!
*************************************************************************************
* \brief reopen log file when finish setting current path
*
* \param pCtx context pCtx
* \param pCurPath current path string
*
* \return NONE
*
* \note N/A
*************************************************************************************
*/
void WelsReopenTraceFile (void* pCtx, char* pCurPath) {
#ifdef ENABLE_TRACE_FILE
sWelsEncCtx* pEncCtx = (sWelsEncCtx*)pCtx;
if (wlog == WelsLogDefault) {
if (pEncCtx->pFileLog != NULL) {
WelsFclose (pEncCtx->pFileLog);
pEncCtx->pFileLog = NULL;
}
pEncCtx->uiSizeLog = 0;
pEncCtx->pFileLog = WelsFopen ("wels_encoder_trace.txt", "wt+"); // confirmed_safe_unsafe_usage
}
#endif//ENABLE_TRACE_FILE
}
/*!
*************************************************************************************
* \brief set log iLevel from external call
*
* \param iLevel iLevel of log
*
* \return NONE
*
* \note can be able to control log iLevel dynamically
*************************************************************************************
*/
void WelsSetLogLevel (const int32_t kiLevel) {
iWelsLogLevel iVal = 0;
if (kiLevel & WELS_LOG_ERROR) {
iVal |= WELS_LOG_ERROR;
}
if (kiLevel & WELS_LOG_WARNING) {
iVal |= WELS_LOG_WARNING;
}
if (kiLevel & WELS_LOG_INFO) {
iVal |= WELS_LOG_INFO;
}
if (kiLevel & WELS_LOG_DEBUG) {
iVal |= WELS_LOG_DEBUG;
}
g_iLevelLog = iVal;
}
/*!
*************************************************************************************
* \brief get log iLevel from external call
*
* \param N/A
*
* \return current iLevel of log used in codec internal
*
* \note can be able to get log iLevel of internal codec applicable
*************************************************************************************
*/
int32_t WelsGetLogLevel (void) {
return g_iLevelLog;
}
/*!
*************************************************************************************
* \brief set log callback from external call
*
* \param _log log function routine
*
* \return NONE
*
* \note N/A
*************************************************************************************
*/
void WelsSetLogCallback (PWelsLogCallbackFunc _log) {
wlog = _log;
}
void WelsLogCall (void* pCtx, int32_t iLevel, const char* kpFmt, va_list vl) {
wlog (pCtx, iLevel, kpFmt, vl);
}
void WelsLog (void* pCtx, int32_t iLevel, const char* kpFmt, ...) {
va_list vl;
va_start (vl, kpFmt);
WelsLogCall (pCtx, iLevel, kpFmt, vl);
va_end (vl);
}
#ifndef CALC_PSNR
#define CONST_FACTOR_PSNR (10.0 / log(10.0)) // for good computation
#define CALC_PSNR(w, h, s) ((float)(CONST_FACTOR_PSNR * log( 65025.0 * w * h / iSqe )))
#endif//CALC_PSNR
/*
* PSNR calculation routines
*/
/*!
*************************************************************************************
* \brief PSNR calculation utilization in Wels
*
* \param pTarPic target picture to be calculated in Picture pData format
* \param iTarStride stride of target picture pData pBuffer
* \param pRefPic base referencing picture samples
* \param iRefStride stride of reference picture pData pBuffer
* \param iWidth picture iWidth in pixel
* \param iHeight 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) {
int64_t iSqe = 0;
int32_t x, y;
uint8_t* pTar = (uint8_t*)kpTarPic;
uint8_t* pRef = (uint8_t*)kpRefPic;
if (NULL == pTar || NULL == pRef)
return (-1.0f);
for (y = 0; y < kiHeight; ++ y) { // OPTable !!
for (x = 0; x < kiWidth; ++ x) {
const int32_t kiT = pTar[y * kiTarStride + x] - pRef[y * kiRefStride + x];
iSqe += kiT * kiT;
}
}
if (0 == iSqe) {
return (99.99f);
}
return CALC_PSNR (kiWidth, kiHeight, iSqe);
}
}