From 32e228d1ca60d479025f5c10479ac866208e11ae Mon Sep 17 00:00:00 2001 From: Hans-Christoph Steiner Date: Wed, 27 Aug 2008 22:27:30 +0000 Subject: merged in relevant changes from the v0-40 pd-extended release branch svn path=/trunk/externals/creb/; revision=10266 --- modules++/biquadseries.cc | 128 ---------------------------------------------- 1 file changed, 128 deletions(-) delete mode 100644 modules++/biquadseries.cc (limited to 'modules++/biquadseries.cc') diff --git a/modules++/biquadseries.cc b/modules++/biquadseries.cc deleted file mode 100644 index 40b3aef..0000000 --- a/modules++/biquadseries.cc +++ /dev/null @@ -1,128 +0,0 @@ -/* - * biquadseries.cc - second order section filter pd interface - * Copyright (c) 2000-2003 by Tom Schouten - * - * 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 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, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - - -#include "m_pd.h" -#include - -#include "DSPIcomplex.h" -#include "DSPIfilters.h" - - - -typedef struct biquadseries_struct -{ - t_object x_obj; - t_float x_f; - DSPIfilterSeries* biquadseries; -} t_biquadseries; - -void biquadseries_bang(t_biquadseries *x) -{ - -} - -void biquadseries_butterLP(t_biquadseries *x, t_floatarg f) -{ - x->biquadseries->setButterLP(f / sys_getsr()); -} - -void biquadseries_butterHP(t_biquadseries *x, t_floatarg f) -{ - x->biquadseries->setButterHP(f / sys_getsr()); -} - - - -static t_int *biquadseries_perform(t_int *w) -{ - - - t_float *in = (float *)(w[3]); - t_float *out = (float *)(w[4]); - DSPIfilterSeries* biquadseries = (DSPIfilterSeries *)(w[1]); - t_int n = (t_int)(w[2]); - t_int i; - t_float x; - - // dit kan beter - float smooth = .01; - //1.0f - pow(.9f,1.0f/(float)(n)); - - for (i = 0; i < n; i++) - { - x = *in++; - biquadseries->BangSmooth(x, x, smooth); - *out++ = x; - } - - return (w+5); -} - -static void biquadseries_dsp(t_biquadseries *x, t_signal **sp) -{ - dsp_add(biquadseries_perform, 4, x->biquadseries, sp[0]->s_n, sp[0]->s_vec, sp[1]->s_vec); - -} -void biquadseries_free(void) -{ - -} - -t_class *biquadseries_class; - -void *biquadseries_new(t_floatarg fsections) -{ - t_biquadseries *x = (t_biquadseries *)pd_new(biquadseries_class); - - int sections = (int)fsections; - if (sections < 1) sections = 1; - // post("biquadseries~: %d sections", sections); - x->biquadseries = new DSPIfilterSeries(sections); - - // inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("float"), gensym("freq")); - outlet_new(&x->x_obj, gensym("signal")); - - biquadseries_butterLP(x, 10000); - - return (void *)x; -} - - -extern "C" { - -void biquadseries_tilde_setup(void) -{ - //post("biquadseries~ v0.1"); - - biquadseries_class = class_new(gensym("biquadseries~"), (t_newmethod)biquadseries_new, - (t_method)biquadseries_free, sizeof(t_biquadseries), 0, A_DEFFLOAT, 0); - - CLASS_MAINSIGNALIN(biquadseries_class, t_biquadseries, x_f); - - class_addmethod(biquadseries_class, (t_method)biquadseries_bang, gensym("bang"), (t_atomtype)0); - - class_addmethod(biquadseries_class, (t_method)biquadseries_dsp, gensym("dsp"), (t_atomtype)0); - - class_addmethod(biquadseries_class, (t_method)biquadseries_butterLP, gensym("butterLP"), A_FLOAT, A_NULL); - class_addmethod(biquadseries_class, (t_method)biquadseries_butterHP, gensym("butterHP"), A_FLOAT, A_NULL); - -} - -} -- cgit v1.2.1