diff options
Diffstat (limited to 'src/dfreq~.c')
| -rw-r--r-- | src/dfreq~.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/src/dfreq~.c b/src/dfreq~.c index 3e87567..151e851 100644 --- a/src/dfreq~.c +++ b/src/dfreq~.c @@ -1,4 +1,4 @@ -/* +/* * dfreq~: cound zero-crossings as a simple fequency estimation * * (c) 1999-2011 IOhannes m zmölnig, forum::für::umläute, institute of electronic music and acoustics (iem) @@ -7,12 +7,12 @@ * 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 that 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 have received a copy of the GNU General Public License along * with this program. If not, see <http://www.gnu.org/licenses/>. */ @@ -28,8 +28,7 @@ static t_class *dfreq_class; -typedef struct _dfreq -{ +typedef struct _dfreq { t_object x_obj; t_sample freq; /*frequenz variable */ @@ -55,14 +54,15 @@ static t_int *dfreq_perform(t_int *w) while (n--) { - if( (a * *in) < 0 && (a < *in)){ + if( (a **in) < 0 && (a < *in)) { /* interpolate for real zerocross */ delta_inv = 1./(*in-a); - if(c > 0.0) + if(c > 0.0) { freq = sr / ((t_sample) c + a*delta_inv); - else + } else { freq = sr; + } c = *in*delta_inv; /*rest of time */ }; @@ -73,7 +73,7 @@ static t_int *dfreq_perform(t_int *w) *out++ = freq; } - x->alt = a; + x->alt = a; x->sampcount = c; x->freq=freq; @@ -112,6 +112,7 @@ void dfreq_tilde_setup(void) class_addmethod(dfreq_class, nullfn, gensym("signal"), 0); class_addmethod(dfreq_class, (t_method)dfreq_dsp, gensym("dsp"), 0); - class_addmethod(dfreq_class, (t_method)dfreq_tilde_helper, gensym("help"), 0); + class_addmethod(dfreq_class, (t_method)dfreq_tilde_helper, gensym("help"), + 0); zexy_register("dfreq~"); } |