mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-12-23 10:05:46 -05:00
80 lines
2.3 KiB
C++
80 lines
2.3 KiB
C++
/*
|
|
Rewritten to fit into the Qt Network framework
|
|
Copyright (c) 2018 Edouard Griffiths, F4EXB
|
|
|
|
This file is a part of JRTPLIB
|
|
Copyright (c) 1999-2017 Jori Liesenborgs
|
|
|
|
Contact: jori.liesenborgs@gmail.com
|
|
|
|
This library was developed at the Expertise Centre for Digital Media
|
|
(http://www.edm.uhasselt.be), a research center of the Hasselt University
|
|
(http://www.uhasselt.be). The library is based upon work done for
|
|
my thesis at the School for Knowledge Technology (Belgium/The Netherlands).
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a
|
|
copy of this software and associated documentation files (the "Software"),
|
|
to deal in the Software without restriction, including without limitation
|
|
the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
and/or sell copies of the Software, and to permit persons to whom the
|
|
Software is furnished to do so, subject to the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included
|
|
in all copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
|
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
|
|
IN THE SOFTWARE.
|
|
|
|
*/
|
|
|
|
#include "../qrtplib.old/rtprandom.h"
|
|
|
|
#include <time.h>
|
|
#include <unistd.h>
|
|
|
|
#include <QDateTime>
|
|
#include "../qrtplib.old/rtprandomrand48.h"
|
|
#include "../qrtplib.old/rtprandomurandom.h"
|
|
|
|
//#include "rtpdebug.h"
|
|
|
|
namespace qrtplib
|
|
{
|
|
|
|
uint32_t RTPRandom::PickSeed()
|
|
{
|
|
uint32_t x;
|
|
x = (uint32_t) getpid();
|
|
QDateTime currentDateTime = QDateTime::currentDateTime();
|
|
x += currentDateTime.toTime_t();
|
|
#if defined(WIN32)
|
|
x += QDateTime::currentMSecsSinceEpoch() % 1000;
|
|
#else
|
|
x += (uint32_t)clock();
|
|
#endif
|
|
x ^= (uint32_t)((uint8_t *)this - (uint8_t *)0);
|
|
return x;
|
|
}
|
|
|
|
RTPRandom *RTPRandom::CreateDefaultRandomNumberGenerator()
|
|
{
|
|
RTPRandomURandom *r = new RTPRandomURandom();
|
|
RTPRandom *rRet = r;
|
|
|
|
if (r->Init() < 0) // fall back to rand48
|
|
{
|
|
delete r;
|
|
rRet = new RTPRandomRand48();
|
|
}
|
|
|
|
return rRet;
|
|
}
|
|
|
|
} // end namespace
|
|
|