shithub: ft²

ref: c151f95b68a8500612a49768cec1648c02562779
dir: /src/mixer/ft2_quadratic_spline.h/

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#pragma once

#include <stdint.h>
#include <stdbool.h>
#include "ft2_mix.h" // MIXER_FRAC_BITS

#define QUADRATIC_SPLINE_WIDTH 3
#define QUADRATIC_SPLINE_PHASES 8192
#define QUADRATIC_SPLINE_PHASES_BITS 13 // log2(QUADRATIC_SPLINE_PHASES)
#define QUADRATIC_SPLINE_FRACSHIFT (MIXER_FRAC_BITS-QUADRATIC_SPLINE_PHASES_BITS)

extern float *fQuadraticSplineLUT;

bool setupQuadraticSplineTable(void);
void freeQuadraticSplineTable(void);