feedback.h

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#pragma once
 
#include "processor.h"
#include "utils.h"
 
namespace vital {
 
    class Feedback : public Processor {
    public:
        Feedback(bool control_rate = false) : Processor(1, 1, control_rate), buffer_index_(0) {
            utils::zeroBuffer(buffer_, kMaxBufferSize);
        }
 
        virtual ~Feedback() { }
 
        Processor* clone() const override { return new Feedback(*this); }
 
        virtual void process(int num_samples) override;
 
        virtual void refreshOutput(int num_samples);
 
        force_inline void tick(int i) {
            buffer_[i] = input(0)->source->buffer[i];
        }
 
    protected:
        poly_float buffer_[kMaxBufferSize]; 
        int buffer_index_;                  
 
        JUCE_LEAK_DETECTOR(Feedback)
    };
 
    namespace cr {
        class Feedback : public ::vital::Feedback {
        public:
            Feedback() : ::vital::Feedback(true), last_value_(0.0f) { }
 
            void process(int num_samples) override {
                last_value_ = input()->at(0);
            }
 
            Processor* clone() const override { return new cr::Feedback(*this); }
 
            void refreshOutput(int num_samples) override {
                output()->buffer[0] = last_value_;
            }
 
            void reset(poly_mask reset_mask) override {
                last_value_ = 0.0f;
                output()->buffer[0] = last_value_;
            }
 
        protected:
            poly_float last_value_; 
        };
    } // namespace cr
} // namespace vital