rename

svn path=/trunk/externals/nusmuk/; revision=14367

1 files changed, 0 insertions, 112 deletions

diff --git a/nusmuk_audio/bq~.c b/nusmuk_audio/bq~.c
deleted file mode 100644
index d8a70b4..0000000
--- a/nusmuk_audio/bq~.c
+++ /dev/null
@@ -1,112 +0,0 @@
-/* Copyright (c) 1997-1999 Miller Puckette.
-* For information on usage and redistribution, and for a DISCLAIMER OF ALL
-* WARRANTIES, see the file, "LICENSE.txt," in this distribution.  */
-
-// modification of this code by cyrille henry in order to change the biquad topology and add audio inlet for filter coefs
-
-#include "m_pd.h"
-#include <math.h>
-
-/* ---------------- bq~ - raw bq filter ----------------- */
-
-typedef struct bqctl
-{
-    t_sample c_x1;
-    t_sample c_x2;
-    t_sample c_y1;
-    t_sample c_y2;
-} t_bqctl;
-
-typedef struct bq_tilde
-{
-    t_object x_obj;
-    t_float x_f;
-    t_bqctl x_cspace;
-    t_bqctl *x_ctl;
-} t_bq_tilde;
-
-t_class *bq_tilde_class;
-
-static void *bq_tilde_new(t_symbol *s, int argc, t_atom *argv)
-{
-    t_bq_tilde *x = (t_bq_tilde *)pd_new(bq_tilde_class);
-    inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
-    inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
-    inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
-    inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
-    inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
-    outlet_new(&x->x_obj, &s_signal);
-    x->x_ctl = &x->x_cspace;
-    x->x_cspace.c_x1 = x->x_cspace.c_x2 = 0;
-    x->x_cspace.c_y1 = x->x_cspace.c_y2 = 0;
-    x->x_f = 0;
-    return (x);
-}
-
-static t_int *bq_tilde_perform(t_int *w)
-{
-    t_sample *in = (t_sample *)(w[1]);
-    t_sample *ina1 = (t_sample *)(w[2]);
-    t_sample *ina2 = (t_sample *)(w[3]);
-    t_sample *inb1 = (t_sample *)(w[4]);
-    t_sample *inb2 = (t_sample *)(w[5]);
-    t_sample *inb3 = (t_sample *)(w[6]);
-    t_sample *out = (t_sample *)(w[7]);
-    t_bqctl *c = (t_bqctl *)(w[8]);
-    int n = (t_int)(w[9]);
-    int i;
-    t_sample last_in = c->c_x1;
-    t_sample prev_in = c->c_x2;
-    t_sample last_out = c->c_y1;
-    t_sample prev_out = c->c_y2;
-
-    for (i = 0; i < n; i++)
-    {
-        t_sample output =  *inb1++ * *in + *inb2++ * last_in + *inb3++ * prev_in - *ina1++ * last_out - *ina2++ * prev_out;
-//        if (PD_BIGORSMALL(output))
-//            output = 0; i don't understnd why it did not compile with this 2 lines. 
-// should be fixed latter if denormal is a problem
-        *out++ = output; 
-        prev_in = last_in;
-        prev_out = last_out;
-        last_out = output;
-        last_in = *in++;
-    }
-    c->c_x1 = last_in;
-    c->c_x2 = prev_in;
-    c->c_y1 = last_out;
-    c->c_y2 = prev_out;
-
-    return (w+10);
-}
-
-static void bq_tilde_set(t_bq_tilde *x, t_symbol *s, int argc, t_atom *argv)
-{
-    t_bqctl *c = x->x_ctl;
-    c->c_x1 = atom_getfloatarg(0, argc, argv);
-    c->c_x2 = atom_getfloatarg(1, argc, argv);
-    c->c_y1 = atom_getfloatarg(2, argc, argv);
-    c->c_y2 = atom_getfloatarg(3, argc, argv);
-}
-
-static void bq_tilde_dsp(t_bq_tilde *x, t_signal **sp)
-{
-    dsp_add(bq_tilde_perform, 9,
-        sp[0]->s_vec, sp[1]->s_vec, sp[2]->s_vec, sp[3]->s_vec, sp[4]->s_vec, 
-			sp[5]->s_vec, sp[6]->s_vec, x->x_ctl, sp[0]->s_n);
-
-}
-
-void bq_tilde_setup(void)
-{
-    bq_tilde_class = class_new(gensym("bq~"), (t_newmethod)bq_tilde_new,
-        0, sizeof(t_bq_tilde), 0, A_GIMME, 0);
-    CLASS_MAINSIGNALIN(bq_tilde_class, t_bq_tilde, x_f);
-    class_addmethod(bq_tilde_class, (t_method)bq_tilde_dsp, gensym("dsp"), 0);
-    class_addmethod(bq_tilde_class, (t_method)bq_tilde_set, gensym("set"),
-        A_GIMME, 0);
-    class_addmethod(bq_tilde_class, (t_method)bq_tilde_set, gensym("clear"),
-        A_GIMME, 0);
-}
-
-