PAIO.h

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//
//  PAIO.h -- DAC IO using PortAudio
//  See the copyright notice and acknowledgment of authors in the file COPYRIGHT
//

#ifndef CSL_PAIO_H
#define CSL_PAIO_H

#include "CSL_Core.h"

#include "portaudio.h"  // the portaudio header file in /usr/local/include

using namespace std;

namespace csl {


class PAIO : public IO {

public:
    PAIO(unsigned s_rate = CSL_mFrameRate, unsigned b_size = CSL_mBlockSize, 
            int in_device = -1, int out_device = -1, 
            unsigned in_chans = 0, unsigned out_chans = 2);
    ~PAIO();                    

    void open() throw(CException);          
    void start() throw(CException);         
    void stop() throw(CException);          
    void close() throw(CException);         
    void test() throw(CException);          

    PaStream * mStream;                 

protected:
    PaStreamParameters * mInputParameters;  
    PaStreamParameters * mOutputParameters;
    
    PaDeviceIndex mInDev, mOutDev;          
    IODeviceVector mDevices;
    void handleError(PaError result) throw(CException);
    void initialize(unsigned sr, unsigned bs, int is, int os, unsigned ic, unsigned oc);
};

}

#endif