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/*
* retain.h
*
* Created on: Aug 23, 2026
* Author: ozpv
*/
#ifndef INC_EFFECTS_RETAIN_H_
#define INC_EFFECTS_RETAIN_H_
#include <stddef.h>
#include <stdint.h>
#include "cs4272.h"
/* must be a power of two
higher values give better frequency resolution
and must be paired with a higher BUFFER_SIZE */
#define WINDOW_SIZE 4096
/* change based on necessary overlap */
#define HOP_SIZE (WINDOW_SIZE / 4)
#define OVERLAP_SIZE (WINDOW_SIZE - HOP_SIZE)
#define NUM_OVERLAPS (WINDOW_SIZE / HOP_SIZE)
#define COMPLEX_BIN_COUNT (WINDOW_SIZE / 2 - 1)
void retain_init(void);
void retain(
const int32_t *samples_in,
int32_t *samples_out,
const size_t range_min,
const size_t range_max,
const enum Channel channel
);
#endif /* INC_EFFECTS_RETAIN_H_ */
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