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/*
AudioUnits driver interface.
Copyright (c) 2006-2008 Gerard Roma.

====================================================================

SuperCollider real time audio synthesis system
Copyright (c) 2002 James McCartney. All rights reserved.
http://www.audiosynth.com

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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#if SC_AUDIO_API == SC_AUDIO_API_AUDIOUNITS
#include "SC_AU.h"


void AUCallback(SC_AUAudioDriver *driver,AudioBufferList* in, AudioBufferList* out, AudioTimeStamp* inTimeStamp, UInt32 inFramesToProcess, Float64 sampleRate, int64 oscTime){
driver->Callback(in, out, inTimeStamp, inFramesToProcess, sampleRate, oscTime);
}

void sc_SetDenormalFlags();

SC_AudioDriver* SC_NewAudioDriver(struct World *inWorld)
{
    return new SC_AUAudioDriver(inWorld);
}

SC_AUAudioDriver::SC_AUAudioDriver(struct World *inWorld): SC_CoreAudioDriver(inWorld){}

SC_AUAudioDriver::~SC_AUAudioDriver(){}


bool SC_AUAudioDriver::DriverSetup(int* outNumSamples, double* outSampleRate)
{
    // params are set into the wolrd options at AU initialize
if(!mPreferredSampleRate && !mPreferredHardwareBufferFrameSize) return false;
*outSampleRate = mPreferredSampleRate;
*outNumSamples = mPreferredHardwareBufferFrameSize;
    return true;
}

bool SC_AUAudioDriver::DriverStart()
{
    return true;
}

bool SC_AUAudioDriver::DriverStop()
{
    return true;
}


void SC_AUAudioDriver::Callback(const AudioBufferList* in, AudioBufferList* out, AudioTimeStamp* inTimeStamp, UInt32 inFramesToProcess, Float64 sampleRate, int64 oscTime){
    this->mNumSamplesPerCallback = inFramesToProcess;
this->mOSCincrement = (int64)(this->mOSCincrementNumerator / sampleRate);
    this->Run(in, out, oscTime);
}
#endif
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