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# RtWvIn.h

    00001 #ifndef STK_RTWVIN_H
    00002 #define STK_RTWVIN_H
    00003
    00004 #include "WvIn.h"
    00005 #include "RtAudio.h"
    00006 #include "Mutex.h"
    00007
    00008 namespace stk {
    00009
    00010 /***************************************************/
    00029 /***************************************************/
    00030
    00031 class RtWvIn : public WvIn
    00032 {
    00033 public:
    00035
    00042   RtWvIn( unsigned int nChannels = 1, StkFloat sampleRate = Stk::sampleRate(),
    00043           int device = 0, int bufferFrames = RT_BUFFER_SIZE, int nBuffers = 20 );
    00044
    00046   ~RtWvIn();
    00047
    00049
    00053   void start( void );
    00054
    00056
    00060   void stop( void );
    00061
    00063
    00072   StkFloat lastOut( unsigned int channel = 0 );
    00073
    00075
    00084   StkFloat tick( unsigned int channel = 0 );
    00085
    00087
    00094   StkFrames& tick( StkFrames& frames );
    00095
    00096   // This function is not intended for general use but must be
    00097   // public for access from the audio callback function.
    00098   void fillBuffer( void *buffer, unsigned int nFrames );
    00099
    00100 protected:
    00101
    00102          RtAudio adc_;
    00103   Mutex mutex_;
    00104   bool stopped_;
    00105   unsigned int readIndex_;
    00106   unsigned int writeIndex_;
    00107   unsigned int framesFilled_;
    00108
    00109 };
    00110
    00111 inline StkFloat RtWvIn :: lastOut( unsigned int channel )
    00112 {
    00113 #if defined(_STK_DEBUG_)
    00114   if ( channel >= data_.channels() ) {
    00115     errorString_ << "RtWvIn::lastOut(): channel argument and audio stream are incompatible!";
    00116     handleError( StkError::FUNCTION_ARGUMENT );
    00117   }
    00118 #endif
    00119
    00120   return lastFrame_[channel];
    00121 }
    00122
    00123 } // stk namespace
    00124
    00125 #endif

The Synthesis ToolKit in C++ (STK)
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