guitfx/gate.h

#pragma once

#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>

struct gate {
    float threshold;
    bool enable_calibration;

    unsigned block_size;
    unsigned cur_block_count;
    float cur_block_sum;
    float last_block_sum;

    bool is_active;
    float cur_gain;

    float attack;
    float release;
};

void gate_init();
void gate_process(
    struct gate* gate,
    size_t frame_size,
    float const* in,
    float* out);