Paul Davis
1de00ab6bb
Code builds, runs and functions. Full code review still pending, and some possibly changes to organization of code within the backend is possible
124 lines
3.3 KiB
C++
124 lines
3.3 KiB
C++
/*
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Copyright (C) 2013 Waves Audio Ltd.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __UMicroseconds_h__
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#define __UMicroseconds_h__
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/* Copy to include
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#include "UMicroseconds.h"
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*/
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#include "BasicTypes/WUDefines.h"
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#include "BasicTypes/WUTypes.h"
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namespace wvNS {
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// a wraper for Microseconds function from Timer.h
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class DllExport UMicroseconds
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{
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public:
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#ifdef _WINDOWS
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typedef int64_t TimeKeeper;
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#endif
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#ifdef __MACOS__
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typedef uint64_t TimeKeeper;
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#endif
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#ifdef __linux__
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typedef uint64_t TimeKeeper;
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#endif
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private:
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TimeKeeper theTime;
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public:
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UMicroseconds()
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{
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ReadTime();
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}
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UMicroseconds(const TimeKeeper in_initVal) : theTime(in_initVal) {}
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UMicroseconds(const UMicroseconds& inUM) : theTime(inUM.theTime) {}
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UMicroseconds& operator=(const UMicroseconds& inUM) {theTime = inUM.theTime; return *this;}
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UMicroseconds& operator+=(const TimeKeeper in_timeToAdd) {theTime += in_timeToAdd; return *this;}
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UMicroseconds& ReadTime();
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TimeKeeper GetNativeTime() const {return theTime;}
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operator uint64_t () {return static_cast<uint64_t>(theTime);}
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operator double () const {return static_cast<const double>(theTime);}
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double Seconds() const {return static_cast<double>(theTime) / double(1000000);}
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double MilliSeconds() const {return static_cast<double>(theTime) / double(1000);}
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double MicroSeconds() const {return static_cast<double>(theTime);}
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#ifdef __MACOS__
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uint32_t hi();
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uint32_t lo();
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#endif
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};
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inline UMicroseconds operator-(const UMicroseconds& in_one, const UMicroseconds& in_two)
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{
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UMicroseconds retVal(in_one.GetNativeTime() - in_two.GetNativeTime());
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return retVal;
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}
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class UMicrosecondsAccumulator
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{
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public:
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UMicrosecondsAccumulator() : m_start_time(0), m_accumulator(0) {}
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void Start();
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void Stop();
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void Clear();
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UMicroseconds GetAccumulatedTime() const;
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UMicrosecondsAccumulator& operator+=(const UMicrosecondsAccumulator&);
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protected:
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UMicroseconds m_start_time;
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UMicroseconds m_accumulator;
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};
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inline UMicroseconds operator-(const UMicrosecondsAccumulator& in_one, const UMicrosecondsAccumulator& in_two)
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{
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UMicroseconds retVal(in_one.GetAccumulatedTime() - in_two.GetAccumulatedTime());
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return retVal;
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}
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//=========================================================================================//
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inline void MicrosecondDelay(double amt)
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//=========================================================================================//
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{
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UMicroseconds than;
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UMicroseconds now;
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do
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{
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now.ReadTime();
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} while ((now.MicroSeconds() - than.MicroSeconds()) < amt);
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}
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} // namespace wvNS {
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#endif //#ifndef __UMicroseconds_h__
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