RtWvIn.h

#ifndef STK_RTWVIN_H
#define STK_RTWVIN_H

#include "WvIn.h"
#include "RtAudio.h"
#include "Mutex.h"

namespace stk {

/***************************************************/
/***************************************************/

class RtWvIn : public WvIn
{
public:

  RtWvIn( unsigned int nChannels = 1, StkFloat sampleRate = Stk::sampleRate(),
          int device = 0, int bufferFrames = RT_BUFFER_SIZE, int nBuffers = 20 );

  ~RtWvIn();


  void start( void );


  void stop( void );


  StkFloat lastOut( unsigned int channel = 0 );


  StkFloat tick( unsigned int channel = 0 );


  StkFrames& tick( StkFrames& frames );

  // This function is not intended for general use but must be
  // public for access from the audio callback function.
  void fillBuffer( void *buffer, unsigned int nFrames );

protected:

         RtAudio adc_;
  Mutex mutex_;
  bool stopped_;
  unsigned int readIndex_;
  unsigned int writeIndex_;
  unsigned int framesFilled_;

};

inline StkFloat RtWvIn :: lastOut( unsigned int channel )
{
#if defined(_STK_DEBUG_)
  if ( channel >= data_.channels() ) {
    oStream_ << "RtWvIn::lastOut(): channel argument and audio stream are incompatible!";
    handleError( StkError::FUNCTION_ARGUMENT );
  }
#endif

  return lastFrame_[channel];
}

} // stk namespace

#endif