VSTIO.h

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

#ifndef CSL_VSTIO_H
#define CSL_VSTIO_H

#include "CSL_Core.h"
#include "Instrument.h"

#include "audioeffectx.h"

namespace csl {

///
/// VSTIO is an IO that answers the VST processReplacing() call by calling its CSL graph
///

class VSTIO : public IO, public AudioEffectX {
public:             
    VSTIO ();                       ///< Constructor
    VSTIO (audioMasterCallback audioMaster, 
                    unsigned s_rate = 44100, unsigned b_size = 512, 
                    unsigned in_chans = 2, unsigned out_chans = 2);
    virtual ~VSTIO();

    void open() throw(CException);          ///< open/close start/stop methods
    void close() throw(CException);
    void start() throw(CException);         ///< start my timer thread
    void stop() throw(CException);          ///< stop the timer thread

                    // Processing
    virtual void processReplacing (float** inputs, float** outputs, VstInt32 sampleFrames);
    virtual void processDoubleReplacing (double** inputs, double** outputs, VstInt32 sampleFrames) { };

                    // Program
    virtual void setProgramName (char* name);
    virtual void getProgramName (char* name);

                    // Parameters
    virtual void setParameter (VstInt32 index, float value);
    virtual float getParameter (VstInt32 index);
    virtual void getParameterLabel (VstInt32 index, char* label);
    virtual void getParameterDisplay (VstInt32 index, char* text);
    virtual void getParameterName (VstInt32 index, char* text);

    virtual bool getEffectName (char* name);
    virtual bool getVendorString (char* text);
    virtual bool getProductString (char* text);
    virtual VstInt32 getVendorVersion ();
    
protected:
    InOut * mInOut;                         ///< the in-out object
    Filter * mFilter;                       ///< BPF filter
    float mFreq;                            ///< Example: filter center freq
    
};

#if 0

/// VSTInst is an instrument, get it?

class VSTInst : public IO, public AudioEffectX {
public:             
    VSTInst ();                     ///< Constructor
    VSTInst (audioMasterCallback audioMaster, Instrument * theInstrument, 
                    unsigned s_rate = 44100, unsigned b_size = 512, 
                    unsigned in_chans = 0, unsigned out_chans = 2);
    virtual ~VSTInst();
    
    void open() throw(CException);          ///< open/close start/stop methods
    void close() throw(CException);
    void start() throw(CException);         ///< start my timer thread
    void stop() throw(CException);          ///< stop the timer thread

                    // Processing
    virtual void processReplacing (float** inputs, float** outputs, VstInt32 sampleFrames);
    virtual void processDoubleReplacing (double** inputs, double** outputs, VstInt32 sampleFrames) { };

                    // Program
    virtual void setProgramName (char* name);
    virtual void getProgramName (char* name);

                    // Parameters
    virtual void setParameter (VstInt32 index, float value);
    virtual float getParameter (VstInt32 index);
    virtual void getParameterLabel (VstInt32 index, char* label);
    virtual void getParameterDisplay (VstInt32 index, char* text);
    virtual void getParameterName (VstInt32 index, char* text);

    virtual bool getEffectName (char* name);
    virtual bool getVendorString (char* text);
    virtual bool getProductString (char* text);
    virtual VstInt32 getVendorVersion ();

protected:
    Instrument * mInstrument;
};

#endif

}   // end of namespace

#endif