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#ifndef __SignalGenerator_h__
#define __SignalGenerator_h__
#include "FloatArray.h"
#include "ComplexFloatArray.h"
#include "AudioBuffer.h"
/**
* Base class for signal generators such as Oscillators.
* A SignalGenerator produces samples from -1 to 1 unless
* otherwise stated.
*/
class SignalGenerator {
public:
virtual ~SignalGenerator(){}
/**
* Produce the next consecutive sample.
*/
virtual float generate(){
return 0;
}
/**
* Produce a block of samples
*/
virtual void generate(FloatArray output){
for(size_t i=0; i<output.getSize(); ++i)
output[i] = generate();
}
};
class MultiSignalGenerator {
public:
virtual ~MultiSignalGenerator(){}
virtual void generate(AudioBuffer& output) = 0;
};
/**
* Base class for stereo signal generators such as Oscillators.
* A ComplexSignalGenerator produces complex numbers with each channel
* containing samples in [-1..1] range unless otherwise stated.
*/
class ComplexSignalGenerator {
public:
virtual ~ComplexSignalGenerator(){}
/**
* Produce the next consecutive sample.
*/
virtual ComplexFloat generate() = 0;
/**
* Produce a block of samples
*/
virtual void generate(ComplexFloatArray output) {
size_t size = output.getSize();
for(size_t i=0; i<size; ++i) {
output[i] = generate();
}
}
};
#endif // __SignalGenerator_h__