diff options
Diffstat (limited to 'externals/vanilla/dbtorms~.c')
-rw-r--r-- | externals/vanilla/dbtorms~.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/externals/vanilla/dbtorms~.c b/externals/vanilla/dbtorms~.c new file mode 100644 index 00000000..854f6af7 --- /dev/null +++ b/externals/vanilla/dbtorms~.c @@ -0,0 +1,52 @@ +/* Copyright (c) 1997-2001 Miller Puckette and others. +* For information on usage and redistribution, and for a DISCLAIMER OF ALL +* WARRANTIES, see the file, "LICENSE.txt," in this distribution. */ + +#include "d_math.h" + +typedef struct dbtorms_tilde +{ + t_object x_obj; + t_float x_f; +} t_dbtorms_tilde; + +t_class *dbtorms_tilde_class; + +static void *dbtorms_tilde_new(void) +{ + t_dbtorms_tilde *x = (t_dbtorms_tilde *)pd_new(dbtorms_tilde_class); + outlet_new(&x->x_obj, gensym("signal")); + x->x_f = 0; + return (x); +} + +static t_int *dbtorms_tilde_perform(t_int *w) +{ + t_sample *in = *(t_sample **)(w+1), *out = *(t_sample **)(w+2); + t_int n = *(t_int *)(w+3); + for (; n--; in++, out++) + { + t_sample f = *in; + if (f <= 0) *out = 0; + else + { + if (f > 485) + f = 485; + *out = exp((LOGTEN * 0.05) * (f-100.)); + } + } + return (w + 4); +} + +static void dbtorms_tilde_dsp(t_dbtorms_tilde *x, t_signal **sp) +{ + dsp_add(dbtorms_tilde_perform, 3, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n); +} + +void dbtorms_tilde_setup(void) +{ + dbtorms_tilde_class = class_new(gensym("dbtorms~"), (t_newmethod)dbtorms_tilde_new, 0, + sizeof(t_dbtorms_tilde), 0, 0); + CLASS_MAINSIGNALIN(dbtorms_tilde_class, t_dbtorms_tilde, x_f); + class_addmethod(dbtorms_tilde_class, (t_method)dbtorms_tilde_dsp, gensym("dsp"), 0); +} |