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/*
Copyright (C) 2014 Waves Audio Ltd.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __UMicroseconds_h__
#define __UMicroseconds_h__
/* Copy to include
#include "UMicroseconds.h"
*/
#include "BasicTypes/WUDefines.h"
#include "BasicTypes/WUTypes.h"
namespace wvNS {
// a wraper for Microseconds function from Timer.h
class DllExport UMicroseconds
{
public:
#ifdef PLATFORM_WINDOWS
typedef int64_t TimeKeeper;
#endif
#ifdef __APPLE__
typedef uint64_t TimeKeeper;
#endif
#ifdef __linux__
typedef uint64_t TimeKeeper;
#endif
private:
TimeKeeper theTime;
public:
UMicroseconds()
{
ReadTime();
}
UMicroseconds(const TimeKeeper in_initVal) : theTime(in_initVal) {}
UMicroseconds(const UMicroseconds& inUM) : theTime(inUM.theTime) {}
UMicroseconds& operator=(const UMicroseconds& inUM) {theTime = inUM.theTime; return *this;}
UMicroseconds& operator+=(const TimeKeeper in_timeToAdd) {theTime += in_timeToAdd; return *this;}
UMicroseconds& ReadTime();
TimeKeeper GetNativeTime() const {return theTime;}
operator uint64_t () {return static_cast<uint64_t>(theTime);}
operator double () const {return static_cast<const double>(theTime);}
double Seconds() const {return static_cast<double>(theTime) / double(1000000);}
double MilliSeconds() const {return static_cast<double>(theTime) / double(1000);}
double MicroSeconds() const {return static_cast<double>(theTime);}
#ifdef __APPLE__
uint32_t hi();
uint32_t lo();
#endif
};
inline UMicroseconds operator-(const UMicroseconds& in_one, const UMicroseconds& in_two)
{
UMicroseconds retVal(in_one.GetNativeTime() - in_two.GetNativeTime());
return retVal;
}
class UMicrosecondsAccumulator
{
public:
UMicrosecondsAccumulator() : m_start_time(0), m_accumulator(0) {}
void Start();
void Stop();
void Clear();
UMicroseconds GetAccumulatedTime() const;
UMicrosecondsAccumulator& operator+=(const UMicrosecondsAccumulator&);
protected:
UMicroseconds m_start_time;
UMicroseconds m_accumulator;
};
inline UMicroseconds operator-(const UMicrosecondsAccumulator& in_one, const UMicrosecondsAccumulator& in_two)
{
UMicroseconds retVal(in_one.GetAccumulatedTime() - in_two.GetAccumulatedTime());
return retVal;
}
//=========================================================================================//
inline void MicrosecondDelay(double amt)
//=========================================================================================//
{
UMicroseconds than;
UMicroseconds now;
do
{
now.ReadTime();
} while ((now.MicroSeconds() - than.MicroSeconds()) < amt);
}
} // namespace wvNS {
#endif //#ifndef __UMicroseconds_h__
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