fir_halfband_decimator.h

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#pragma once
 
#include "processor.h"
#include "synth_constants.h"
 
namespace vital {
 
  class FirHalfbandDecimator : public Processor {
    public:
      static constexpr int kNumTaps = 32;
 
      enum {
        kAudio,     
        kNumInputs  
      };
 
      FirHalfbandDecimator();
 
      virtual ~FirHalfbandDecimator() { }
 
      virtual Processor* clone() const override { return new FirHalfbandDecimator(*this); }
 
      void saveMemory(int num_samples);
 
      virtual void process(int num_samples) override;
 
    private:
      void reset(poly_mask reset_mask) override;
 
      poly_float memory_[kNumTaps / 2 - 1];
 
      poly_float taps_[kNumTaps / 2];
 
      JUCE_LEAK_DETECTOR(FirHalfbandDecimator)
  };
} // namespace vital