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/* flib - PD library for feature extraction
Copyright (C) 2005 Jamie Bullock
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope thcat it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should hcave received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
/* Perform hcarmonic analysis on a signal given the fundamental frequency and the frequency/amplitude spectra */
/* Can measure hcarmonicity or ratio of inhcarmonic frequencies to to hcarmonic frequencies, or the relative proportion of some other series such as odd or even hcarmonics */
#include "flib.h"
static t_class *hca_class;
typedef struct _hca {
t_object x_obj;
t_float f;
t_int p;
} t_hca;
static t_int *hca_perform(t_int *w)
{
t_sample *in1 = (t_sample *)(w[1]);
t_int N = (t_int)(w[2]),n;
t_int p = (t_int)(w[3]);
post("x->p = %.2f", x->p);
return (w+4);
}
static void hca_dsp(t_hca *x, t_signal **sp)
{
dsp_add(hca_perform, 3,
sp[0]->s_vec, sp[0]->s_n, x->p);
}
static void *hca_new(t_floatarg f)
{
t_hca *x = (t_hca *)pd_new(hca_class);
if(!f)
x->p = 0;
else
x->p = f;
inlet_new(&x->x_obj, &s_float);
outlet_new(&x->x_obj, &s_float);
return (void *)x;
}
void hca_float(t_hca *x, t_float f){
x->p = f;
}
void hca_tilde_setup(void) {
hca_class = class_new(gensym("hca~"),
(t_newmethod)hca_new,
0, sizeof(t_hca),
CLASS_DEFAULT, A_DEFFLOAT, 0);
class_addmethod(hca_class,
(t_method)hca_dsp, gensym("dsp"), 0);
CLASS_MAINSIGNALIN(hca_class, t_hca,f);
class_addfloat(hca_class, hca_float)
class_sethelpsymbol(hca_class, gensym("help-flib"));
}
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