hfade.h

#ifndef __HFADE_H
#define __HFADE_H
 
template <class T>
class HFade : public HGain<T>
{
    private:
 
        bool _fade;
        bool _direction; // true = up, false = down
        int _level;
        int _samples;
        int _counter;
 
        void Init();
 
    public:
 
        HFade(HReader<T>* reader, int initialLevel, int samples, bool fade, size_t blocksize);
 
        HFade(HWriter<T>* writer, int initialLevel, int samples, bool fade, size_t blocksize);
 
        HFade(HWriterConsumer<T>* consumer, int initialLevel, int samples, bool fade, size_t blocksize);
 
        ~HFade();
 
        virtual void Filter(T* src, T* dest, size_t blocksize);
 
        void Up()
        {
            _direction = true;
            _counter = _level * _samples;
            _fade = true;
        }
 
        void Down()
        {
            _direction = false;
            _counter = _level * _samples;
            _fade = true;
        }
};
 
#endif