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 deviceIndex = 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, unsigned int channel = 0 );
 
  // 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