CAIO.h

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

#ifndef CSL_CAIO_H
#define CSL_CAIO_H

#include "CSL_Core.h"

#include <AudioUnit/AudioUnit.h>

namespace csl {

class AUIO : public IO {
public: 
    AUIO();
    ~AUIO();

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

    virtual Buffer & getInput() throw(CException);      
    virtual Buffer & getInput(unsigned numFrames, unsigned numChannels) throw(CException);      

    void setAudioUnit(AudioUnit au) { mAudioUnit = au; };
    
protected:
                // The AudioUnit we play out
    AudioUnit mAudioUnit;
    void handleError(OSStatus result) throw(CException);

};

class CAIO : public AUIO {
public:
    CAIO();
    ~CAIO();

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

//  virtual Buffer & getInput() throw(CException);      ///< get the current input buffer
//  virtual Buffer & getInput(unsigned numFrames, unsigned numChannels) throw(CException);      ///< get the current input buffer
    
protected:
    void handleError(OSStatus result) throw(CException);
    
};

}

#endif

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