/home/marsyas/marsyas/src/marsyas/AudioSinkBlocking.h

/*
** Copyright (C) 1998-2011 George Tzanetakis <gtzan@cs.uvic.ca>
**  
** 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/


#ifndef MARSYAS_AUDIOSINK_BLOCKING_H
#define MARSYAS_AUDIOSINK_BLOCKING_H


#include "common_header.h" 

#include "MarSystem.h"




class RtAudio3;



namespace Marsyas
{


class AudioSinkBlocking:public MarSystem
{
private:
  RtAudio3 *audio_;

  int bufferSize_;
  int rtSrate_;
  int rtChannels_;
  int srate_;
  unsigned int rtDevice_;

  bool isInitialized_;
  bool stopped_;

  mrs_natural nChannels_;
  mrs_real *data_;  
  realvec reservoir_;
  mrs_natural reservoirSize_;
  mrs_natural preservoirSize_;
  mrs_natural pnChannels_;

  mrs_natural start_;
  mrs_natural end_;
  mrs_natural diff_;
  mrs_natural rsize_;

  void addControls();
  void myUpdate(MarControlPtr sender);

  void initRtAudio();
    
  void start();
  void stop();

  void localActivate(bool state);
    
public:
  AudioSinkBlocking(std::string name);
  ~AudioSinkBlocking();
  MarSystem* clone() const;  

  void myProcess(realvec& in, realvec& out);
};

}//namespace Marsyas

#endif

    

    
    

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