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#ifndef _GFFT_H
#define _GFFT_H
#include <glib.h>
#include <fftw3.h>
#include "galsa.h"
typedef void window_func(sample *in, double *out, size_t size, int ch, int nch);
struct fft_runner {
struct device *dev;
GAsyncQueue *queue;
GThread *thread;
window_func *winf;
size_t span;
};
enum fe_message {
FE_DATA,
FE_DEV_ERROR,
FE_STOPPED,
};
struct fe {
enum fe_message message;
int errcode;
char *errp;
fftw_complex *data;
size_t size;
};
extern void window_hard(sample *in, double *out, size_t size, int ch, int nch);
extern void window_hann(sample *in, double *out, size_t size, int ch, int nch);
extern struct fft_runner *fftrun_attach(struct device *device,
window_func *winf, size_t span);
#endif
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