root/lang/cplusplus/dokodemo_yubipiano/filter.h

/*
 *  filter.h
 *  PlaySoftMIDI
 *
 */
#include <vector>

class MovingAverageFilter {
public:
        MovingAverageFilter(int taps);
        int filter(int sample);

private:
        std::vector <int> values_;
}; // MovingAverageFilter