#ifndef TRANSFORM_H
#define TRANSFORM_H

#include <stdint.h>
#include <fftw3.h>

typedef struct Transform Transform;
typedef void (* TransformCallback)(fftwf_complex *freqdata, void *data);

Transform *     transform_new(int fftsize, TransformCallback callback, void *data);
void            transform_destroy(Transform *self);

/* Processes fftsize/2 input frames, calls callback with the freqdata, 
   and fills output with fftsize/2 frames */
void            transform_process(Transform *self, int16_t *input, int16_t *output);

#endif // TRANSFORM_H