From d962ed33f6b5fe3040cfbd798f63ab9aa36d1f9e Mon Sep 17 00:00:00 2001 From: Hans-Christoph Steiner Date: Thu, 25 May 2006 16:40:19 +0000 Subject: renamed files to match their class names svn path=/trunk/externals/creb/; revision=5127 --- modules/statwav.c | 153 ------------------------------------------------------ 1 file changed, 153 deletions(-) delete mode 100644 modules/statwav.c (limited to 'modules/statwav.c') diff --git a/modules/statwav.c b/modules/statwav.c deleted file mode 100644 index 13d9c9f..0000000 --- a/modules/statwav.c +++ /dev/null @@ -1,153 +0,0 @@ -/* - * dynwav.c - static wavetable oscillator (scale + tabread) - * data organization is in (real, imag) pairs - * the first 2 components are (DC, NY) - * 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 -#include -#include - -static t_class *statwav_tilde_class; - -typedef struct _statwav_tilde -{ - t_object x_obj; - int x_npoints; - float *x_vec; - t_symbol *x_arrayname; - float x_f; -} t_statwav_tilde; - -static void *statwav_tilde_new(t_symbol *s) -{ - t_statwav_tilde *x = (t_statwav_tilde *)pd_new(statwav_tilde_class); - x->x_arrayname = s; - x->x_vec = 0; - outlet_new(&x->x_obj, gensym("signal")); - x->x_f = 0; - return (x); -} - -static t_int *statwav_tilde_perform(t_int *w) -{ - t_statwav_tilde *x = (t_statwav_tilde *)(w[1]); - t_float *in = (t_float *)(w[2]); - t_float *out = (t_float *)(w[3]); - int n = (int)(w[4]); - float maxindex; - int imaxindex; - float *buf = x->x_vec, *fp; - int i; - - maxindex = x->x_npoints; - imaxindex = x->x_npoints; - - if (!buf) goto zero; - - - for (i = 0; i < n; i++) - { - float phase = *in++; - float modphase = phase - (int)phase; - float findex; - int index; - int ia, ib, ic, id; - float frac, a, b, c, d, cminusb; - static int count; - - if (modphase < 0.0f) modphase += 1.0f; - findex = modphase * maxindex; - index = findex; - - - frac = findex - index; - ia = (imaxindex+index-1) % imaxindex; - ib = index; - ic = (index+1) % imaxindex; - id = (index+2) % imaxindex; - - a = buf[ia]; - b = buf[ib]; - c = buf[ic]; - d = buf[id]; - /* if (!i && !(count++ & 1023)) - post("fp = %lx, shit = %lx, b = %f", fp, buf->b_shit, b); */ - cminusb = c-b; - - *out++ = b + frac * ( - cminusb - 0.5f * (frac-1.) * ( - (a - d + 3.0f * cminusb) * frac + (b - a - cminusb) - ) - ); - } - - return (w+5); - zero: - while (n--) *out++ = 0; - - return (w+5); -} - -static void statwav_tilde_set(t_statwav_tilde *x, t_symbol *s) -{ - t_garray *a; - - x->x_arrayname = s; - if (!(a = (t_garray *)pd_findbyclass(x->x_arrayname, garray_class))) - { - if (*s->s_name) - error("statwav~: %s: no such array", x->x_arrayname->s_name); - x->x_vec = 0; - } - else if (!garray_getfloatarray(a, &x->x_npoints, &x->x_vec)) - { - error("%s: bad template for statwav~", x->x_arrayname->s_name); - x->x_vec = 0; - } - else garray_usedindsp(a); -} - -static void statwav_tilde_dsp(t_statwav_tilde *x, t_signal **sp) -{ - statwav_tilde_set(x, x->x_arrayname); - - dsp_add(statwav_tilde_perform, 4, x, - sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n); - -} - -static void statwav_tilde_free(t_statwav_tilde *x) -{ -} - -void statwav_tilde_setup(void) -{ - //post("statwav~ v0.1"); - statwav_tilde_class = class_new(gensym("statwav~"), - (t_newmethod)statwav_tilde_new, (t_method)statwav_tilde_free, - sizeof(t_statwav_tilde), 0, A_DEFSYM, 0); - CLASS_MAINSIGNALIN(statwav_tilde_class, t_statwav_tilde, x_f); - class_addmethod(statwav_tilde_class, (t_method)statwav_tilde_dsp, - gensym("dsp"), 0); - class_addmethod(statwav_tilde_class, (t_method)statwav_tilde_set, - gensym("set"), A_SYMBOL, 0); -} - -- cgit v1.2.1