smokephil/ardour
1
0
Fork 0
mirror of https://github.com/Ardour/ardour.git synced 2025-12-11 00:56:33 +01:00
Code Issues Projects Releases Wiki Activity

new audio engine backend for native CoreAudio audio I/O, and PortMIDI for MIDI.

Browse source 
Code builds, runs and functions. Full code review still pending, and some possibly changes to organization of code within the backend is possible
This commit is contained in:
Paul Davis 2014-02-24 14:39:10 -05:00
parent 0a6af1420f
commit 1de00ab6bb
84 changed files with 21936 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

123
libs/backends/wavesaudio/wavesapi/miscutils/UMicroseconds.h Normal file
View file

@ -0,0 +1,123 @@
/*
Copyright (C) 2013 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 _WINDOWS
typedef int64_t TimeKeeper;
#endif
#ifdef __MACOS__
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 __MACOS__
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__