shithub: openh264

ref: 063709c92e8bafe467d384f564afbdc6b66eb39a
dir: /codec/decoder/core/src/utils.cpp/

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/*!
 * \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
 *
 *************************************************************************************
 */
 
#include <string.h>
#include <stdlib.h>
#include <math.h>
#include <time.h>
#if defined(WIN32)
#include <windows.h>
#include <sys/types.h>
#include <sys/timeb.h>
#else
#include <sys/time.h>
#include <sys/timeb.h>
#endif

#include "utils.h"
#include "macros.h"
#include "wels_const.h"
#include "cpu_core.h"
#include "decoder_context.h"
#include "crt_util_safe_x.h"	// Safe CRT routines like utils for cross platforms
#include "mem_align.h"

namespace WelsDec {

// cache line size
uint32_t g_uiCacheLineSize	= 16;
// to fill default routines
PWelsLogCallbackFunc g_pLog	= NULL;



void_t WelsLog(void_t *pPtr, int32_t iLevel, const char *kpFmt, ...)
{
    va_list pVl;

	PWelsDecoderContext pCtx  = (PWelsDecoderContext)pPtr;

    va_start(pVl, kpFmt);
    g_pLog(pCtx->pTraceHandle, iLevel, kpFmt, pVl);
    va_end(pVl);
}


#if  defined(WIN32)

#if  defined(_MSC_VER) && (_MSC_VER>=1500)

int32_t WelsSnprintf(str_t * pBuffer,  int32_t iSizeOfBuffer, const str_t * kpFormat, ...)
{
	va_list  pArgPtr; 
	int32_t  iRc;

	va_start(pArgPtr, kpFormat);

	iRc = vsnprintf_s(pBuffer, iSizeOfBuffer, _TRUNCATE, kpFormat, pArgPtr);

	va_end(pArgPtr);

	return iRc;
}

str_t* WelsStrncpy(str_t * pDest, int32_t iSizeInBytes, const str_t * kpSrc, int32_t iCount)
{
    strncpy_s(pDest, iSizeInBytes, kpSrc, iCount);

	return pDest;
}

int32_t WelsStrnlen(const str_t * kpStr,  int32_t iMaxlen)
{
	return strnlen_s(kpStr, iMaxlen);
}

int32_t WelsVsprintf(str_t * pBuffer, int32_t iSizeOfBuffer, const str_t * kpFormat, va_list pArgPtr)
{
	return vsprintf_s(pBuffer, iSizeOfBuffer, kpFormat, pArgPtr);
}

WelsFileHandle* WelsFopen(const str_t * kpFilename,  const str_t * kpMode)
{
	WelsFileHandle* pFp = NULL;
	if( fopen_s(&pFp, kpFilename, kpMode) != 0 ){
		return NULL;
	}

	return pFp;
}

int32_t WelsFclose(WelsFileHandle* pFp)
{
	return fclose(pFp);
}

int32_t WelsGetTimeOfDay(SWelsTime * pTp)
{
	return _ftime_s(pTp);
}

int32_t WelsStrftime(str_t * pBuffer, int32_t iSize, const str_t * kpFormat, const SWelsTime * kpTp)
{
	struct tm   sTimeNow;

	localtime_s(&sTimeNow, &kpTp->time);

	return strftime(pBuffer, iSize, kpFormat, &sTimeNow);
}

#else 

int32_t WelsSnprintf(str_t * pBuffer,  int32_t iSizeOfBuffer, const str_t * kpFormat, ...)
{
	va_list pArgPtr;
	int32_t iRc;

	va_start(pArgPtr, kpFormat);

    iRc = vsprintf(pBuffer, kpFormat, pArgPtr);//confirmed_safe_unsafe_usage

	va_end(pArgPtr);

	return iRc;
}

str_t* WelsStrncpy(str_t * pDest, int32_t iSizeInBytes, const str_t * kpSrc, int32_t iCount)
{
	strncpy(pDest, kpSrc, iCount);//confirmed_safe_unsafe_usage

	return pDest;
}

int32_t WelsStrnlen(const str_t * kpStr,  int32_t iMaxlen)
{
	return strlen(kpStr);//confirmed_safe_unsafe_usage
}

int32_t WelsVsprintf(str_t * pBuffer, int32_t iSizeOfBuffer, const str_t * kpFormat, va_list pArgPtr)
{
	return vsprintf(pBuffer, kpFormat, pArgPtr);//confirmed_safe_unsafe_usage
}


WelsFileHandle* WelsFopen(const str_t * kpFilename,  const str_t * kpMode)
{
	return fopen(kpFilename, kpMode);
}

int32_t WelsFclose(WelsFileHandle* pFp)
{
	return fclose(pFp);
}

int32_t WelsGetTimeOfDay(SWelsTime * pTp)
{
	return _ftime(pTp);
}

int32_t WelsStrftime(str_t * pBuffer, int32_t iSize, const str_t * kpFormat, const SWelsTime * kpTp)
{
	struct tm  * pTnow;

	pTnow = localtime(&kpTp->time);

	return strftime(pBuffer, iSize, kpFormat, pTnow);
}


#endif // _MSC_VER

#else  //GCC

int32_t WelsSnprintf(str_t * pBuffer,  int32_t iSizeOfBuffer, const str_t * kpFormat, ...)
{
	va_list pArgPtr;
	int32_t iRc;

	va_start(pArgPtr, kpFormat);

    iRc = vsnprintf(pBuffer, iSizeOfBuffer, kpFormat, pArgPtr);

	va_end(pArgPtr);

	return iRc;
}

str_t* WelsStrncpy(str_t * pDest, int32_t iSizeInBytes, const str_t * kpSrc, int32_t iCount)
{
    return strncpy(pDest, kpSrc, iCount);//confirmed_safe_unsafe_usage	
}

#if !defined(MACOS) && !defined(UNIX) && !defined(APPLE_IOS)
int32_t WelsStrnlen(const str_t * kpStr,  int32_t iMaxlen)
{
	return strnlen(kpStr, iMaxlen);//confirmed_safe_unsafe_usage
}
#else
int32_t WelsStrnlen(const str_t *kpString, int32_t iMaxlen)
{
	// In mac os, there is no strnlen in string.h, we can only use strlen instead of strnlen or
	// implement strnlen by ourself
	
#if 1
	return strlen(pString);//confirmed_safe_unsafe_usage
#else	
	const str_t *kpSrc;
	for (kpSrc = kpString; iMaxlen-- && *kpSrc != '\0'; ++kpSrc)
		return kpSrc - kpString;
#endif
	
}
#endif

int32_t WelsVsprintf(str_t * pBuffer, int32_t iSizeOfBuffer, const str_t * kpFormat, va_list pArgPtr)
{
	return vsprintf(pBuffer, kpFormat, pArgPtr);//confirmed_safe_unsafe_usage
}

WelsFileHandle* WelsFopen(const str_t * kpFilename,  const str_t * kpMode)
{
	return fopen(kpFilename, kpMode);
}

int32_t WelsFclose(WelsFileHandle  * pFp)
{
	return fclose(pFp);
}

int32_t WelsGetTimeOfDay(SWelsTime * pTp)
{
        struct timeval  sTv;

        if( gettimeofday(&sTv, NULL) ){
             return -1;
        }

        pTp->time = sTv.tv_sec;
        pTp->millitm = (uint16_t)sTv.tv_usec/1000;

        return 0;
}

int32_t WelsStrftime(str_t * pBuffer, int32_t iSize, const str_t * kpFormat, const SWelsTime * kpTp)
{
	struct tm  * pTnow;
        
	pTnow = localtime(&kpTp->time);

	return strftime(pBuffer, iSize, kpFormat, pTnow);
}

#endif


int32_t WelsFwrite(const void_t * kpBuffer, int32_t iSize, int32_t iCount, WelsFileHandle* pFp)
{
	return fwrite(kpBuffer, iSize, iCount, pFp);
}

uint16_t WelsGetMillsecond(const SWelsTime * kpTp)
{
	return kpTp->millitm;
}

int32_t WelsFflush(WelsFileHandle* pFp)
{
	return fflush(pFp);
}

} // namespace WelsDec