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/* Copyright (c) 1997- Miller Puckette and others.
* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution. */
#include "m_pd.h"
#include "e_fft.h"
/* This file interfaces to one of the Mayer, Ooura, or fftw FFT packages
to implement the "fft~", etc, Pd objects. If using Mayer, also compile
d_fft_mayer.c; if ooura, use d_fft_fftsg.c instead; if fftw, use d_fft_fftw.c
and also link in the fftw library. You can only have one of these three
linked in. The configure script can be used to select which one.
*/
static t_class *sigfft_class;
static void *sigfft_new(void)
{
t_sigfft *x = (t_sigfft *)pd_new(sigfft_class);
outlet_new(&x->x_obj, gensym("signal"));
outlet_new(&x->x_obj, gensym("signal"));
inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
x->x_f = 0;
return (x);
}
static t_int *sigfft_perform(t_int *w)
{
t_sample *in1 = (t_sample *)(w[1]);
t_sample *in2 = (t_sample *)(w[2]);
int n = w[3];
mayer_fft(n, in1, in2);
return (w+4);
}
static void sigfft_dsp(t_sigfft *x, t_signal **sp)
{
sigfft_dspx(x, sp, sigfft_perform);
}
void fft_tilde_setup(void)
{
sigfft_class = class_new(gensym("fft~"), sigfft_new, 0,
sizeof(t_sigfft), 0, 0);
CLASS_MAINSIGNALIN(sigfft_class, t_sigfft, x_f);
class_addmethod(sigfft_class, (t_method)sigfft_dsp, gensym("dsp"), 0);
}
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