hmultiplier.h

#ifndef __HMULTIPLIER_H
#define __HMULTIPLIER_H
 
#include "hreader.h"
#include "hwriter.h"
#include "hwriterconsumer.h"
#include "hprobe.h"
 
template <class T>
class HMultiplier : public HReader<T>, public HWriter<T>, public HWriterConsumer<T>
{
    private:
 
        HReader<T>* _reader;
        HWriter<T>* _writer;
        T* _buffer;
 
        int _blocksize;
 
        HLocalOscillator<T>* _localOscillator;
        int _scaling;
 
        HProbe<T>* _probe;
 
    public:
 
        HMultiplier(HReader<T>* reader, H_SAMPLE_RATE rate, int frequency, int oscillatorAmplitude, size_t blocksize, HProbe<T>* probe = NULL);
 
        HMultiplier(HWriter<T>* writer, H_SAMPLE_RATE rate, int frequency, int oscillatorAmplitude, size_t blocksize, HProbe<T>* probe = NULL);
 
        HMultiplier(HWriterConsumer<T>* consumer, H_SAMPLE_RATE rate, int frequency, int oscillatorAmplitude, size_t blocksize, HProbe<T>* probe = NULL);
 
        ~HMultiplier();
 
        void Init(H_SAMPLE_RATE rate, int frequency, int oscillatorAmplitude, size_t blocksize);
 
        int Read(T* dest, size_t blocksize);
 
        int Write(T* src, size_t blocksize);
 
        void SetWriter(HWriter<T>* writer)
        {
            _writer = writer;
        }
 
        bool Start();
 
        bool Stop();
 
        void SetFrequency(int frequency);
 
        void Mix(T* src, T* dest, size_t blocksize);
 
        bool Command(HCommand* command) {
            if( _reader != nullptr ) {
                if( !_reader->Command(command) )
                {
                    return false;
                }
            }
            if( _writer != nullptr ) {
                if( !_writer->Command(command) )
                {
                    return false;
                }
            }
            return true;
        }
};
 
#endif