BinaryOp.h

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#ifndef CSL_BINARYOP_H
#define CSL_BINARYOP_H

#include "CSL_Core.h"

namespace csl {

class BinaryOp : public Effect {

public:                             
    BinaryOp(UnitGenerator & op1, UnitGenerator & op2);
    BinaryOp(UnitGenerator & op1, float op2);
    BinaryOp(float op1, UnitGenerator & op2);
    virtual ~BinaryOp();                

    void dump();                        


protected:  
    virtual void nextBuffer(Buffer & outputBuffer, unsigned outBufNum) throw(CException) = 0;
    inline bool isFixed();
    inline bool inputIsFixed();
    inline bool operandIsFixed();   
    inline sample operandFixedValue(Buffer & outputBuffer);     

};


#define DECLARE_OPERAND_CONTROLS                        \
    Port * opPort = mInputs[CSL_OPERAND];               \
    sample * inValue;                                       \
    sample opValue


#define LOAD_OPERAND_CONTROLS                           \
    Controllable::pullInput(opPort, numFrames);         \
    Effect::pullInput(numFrames);                           \
    inValue = mInputPtr;                                    \
    opValue = opPort->nextValue()


#define UPDATE_OPERAND_CONTROLS                     \
    opValue = opPort->nextValue()   ;                       \
    inValue++


class AddOp : public BinaryOp {

public:                             
    AddOp(UnitGenerator & op1, UnitGenerator & op2);
    AddOp(UnitGenerator & op1, float op2);
    AddOp(float op1, UnitGenerator & op2);

//  float nextValue() throw (CException);

protected:                          
    void nextBuffer(Buffer & outputBuffer, unsigned outBufNum) throw (CException) ;
};


class MulOp : public BinaryOp {

public:                             
    MulOp(UnitGenerator & op1, UnitGenerator & op2);
    MulOp(UnitGenerator & op1, float op2);

    MulOp(float op2, UnitGenerator & op1);
//  float nextValue() throw (CException);

protected:                          
    void nextBuffer(Buffer & outputBuffer, unsigned outBufNum) throw (CException) ;

};

}

#endif CSL_BINARYOP_H

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