hcombfilter.h

#ifndef __HCOMBFILTER_H
#define __HCOMBFILTER_H
 
template <class T>
class HCombFilter : public HFilter<T>
{
    private:
 
        enum COMB_FILTER_TYPE {FEED_BACK, FEED_FORWARD};
 
    private:
 
        int _length;
        T* _taps;
        COMB_FILTER_TYPE _type;
        float _alpha;
 
 
        void Init(H_SAMPLE_RATE rate, size_t blocksize, int  frequency);
 
        virtual T FeedBack(T* src)
        {
            return *src;
        }
 
    public:
 
        HCombFilter(HWriter<T>* writer, H_SAMPLE_RATE rate, int frequency, float alpha, size_t blocksize, HProbe<T>* probe = NULL);
 
        HCombFilter(HWriterConsumer<T>* consumer, H_SAMPLE_RATE rate, int frequency, float alpha, size_t blocksize, HProbe<T>* probe = NULL);
 
        HCombFilter(HReader<T>* reader, H_SAMPLE_RATE rate, int frequency, float alpha, size_t blocksize, HProbe<T>* probe = NULL);
 
        ~HCombFilter();
 
        virtual void Filter(T* src, T* dest, size_t blocksize);
};
 
#endif