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++/filterortho~.cc | 133 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 133 insertions(+) create mode 100644 modules++/filterortho~.cc (limited to 'modules++/filterortho~.cc') diff --git a/modules++/filterortho~.cc b/modules++/filterortho~.cc new file mode 100644 index 0000000..c80552b --- /dev/null +++ b/modules++/filterortho~.cc @@ -0,0 +1,133 @@ +/* + * filterortho.cc - orthogonal biquad 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 filterortho_struct +{ + t_object x_obj; + t_float x_f; + DSPIfilterOrtho *filterortho; +} t_filterortho; + +void filterortho_bang(t_filterortho *x) +{ + +} + + +static t_int *filterortho_perform(t_int *w) +{ + + + t_float *in = (float *)(w[3]); + t_float *out = (float *)(w[4]); + DSPIfilterOrtho* filterortho = (DSPIfilterOrtho *)(w[1]); + t_int n = (t_int)(w[2]); + t_int i; + t_float x; + + + // dit kan beter + float smooth = 1.0f - pow(.05f,1.0f/(float)(n)); + + for (i = 0; i < n; i++) + { + x = *in++; + filterortho->BangSmooth(x, x, smooth); + *out++ = x; + } + + filterortho->killDenormals(); + + return (w+5); +} + +static void filterortho_dsp(t_filterortho *x, t_signal **sp) +{ + dsp_add(filterortho_perform, 4, x->filterortho, sp[0]->s_n, sp[0]->s_vec, sp[1]->s_vec); + +} +void filterortho_free(t_filterortho *x) +{ + delete x->filterortho; + +} + +t_class *filterortho_class; + + + +void setLP(t_filterortho *x, t_floatarg f, t_floatarg Q) {x->filterortho->setLP(f / sys_getsr(), Q);} +void setHP(t_filterortho *x, t_floatarg f, t_floatarg Q) {x->filterortho->setHP(f / sys_getsr(), Q);} +void setBP(t_filterortho *x, t_floatarg f, t_floatarg Q) {x->filterortho->setBP(f / sys_getsr(), Q);} +void setBR(t_filterortho *x, t_floatarg f, t_floatarg Q) {x->filterortho->setBR(f / sys_getsr(), Q);} +void setAP(t_filterortho *x, t_floatarg f, t_floatarg Q) {x->filterortho->setAP(f / sys_getsr(), Q);} + +void setLS(t_filterortho *x, t_floatarg f, t_floatarg A) {x->filterortho->setLS(f / sys_getsr(), A);} +void setHS(t_filterortho *x, t_floatarg f, t_floatarg A) {x->filterortho->setHS(f / sys_getsr(), A);} + +void setEQ(t_filterortho *x, t_floatarg f, t_floatarg Q, t_floatarg A) {x->filterortho->setEQ(f / sys_getsr(), Q, A);} + + +void *filterortho_new() +{ + t_filterortho *x = (t_filterortho *)pd_new(filterortho_class); + x->filterortho = new DSPIfilterOrtho(); + outlet_new(&x->x_obj, gensym("signal")); + setLP(x, 10000, 2); + return (void *)x; +} + + + +extern "C" { + +void filterortho_tilde_setup(void) +{ + //post("filterortho~ v0.1"); + filterortho_class = class_new(gensym("filterortho~"), (t_newmethod)filterortho_new, + (t_method)filterortho_free, sizeof(t_filterortho), 0, A_NULL); + + CLASS_MAINSIGNALIN(filterortho_class, t_filterortho, x_f); + + + class_addmethod(filterortho_class, (t_method)filterortho_bang, gensym("bang"), A_NULL); + + class_addmethod(filterortho_class, (t_method)filterortho_dsp, gensym("dsp"), A_NULL); + + class_addmethod(filterortho_class, (t_method)setLP, gensym("setLP"), A_FLOAT, A_FLOAT, A_NULL); + class_addmethod(filterortho_class, (t_method)setHP, gensym("setHP"), A_FLOAT, A_FLOAT, A_NULL); + class_addmethod(filterortho_class, (t_method)setBP, gensym("setBP"), A_FLOAT, A_FLOAT, A_NULL); + class_addmethod(filterortho_class, (t_method)setBR, gensym("setBR"), A_FLOAT, A_FLOAT, A_NULL); + class_addmethod(filterortho_class, (t_method)setAP, gensym("setAP"), A_FLOAT, A_FLOAT, A_NULL); + class_addmethod(filterortho_class, (t_method)setLS, gensym("setLS"), A_FLOAT, A_FLOAT, A_NULL); + class_addmethod(filterortho_class, (t_method)setHS, gensym("setHS"), A_FLOAT, A_FLOAT, A_NULL); + class_addmethod(filterortho_class, (t_method)setEQ, gensym("setEQ"), A_FLOAT, A_FLOAT, A_FLOAT, A_NULL); + +} + +} -- cgit v1.2.1