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authorIOhannes m zmölnig <zmoelnig@users.sourceforge.net>2005-05-17 16:50:28 +0000
committerIOhannes m zmölnig <zmoelnig@users.sourceforge.net>2005-05-17 16:50:28 +0000
commit6b378329aa20ec2caa3f06968c2ac71d41dca7f9 (patch)
tree849bbfb62e3b5842252a3920e3a0b0bdf3617ac8 /src/z_tilde.c
parentc3a32b31057a7f805382154403ddb6d68424a6dd (diff)
renamed *_tilde.c-files to *~.c
svn path=/trunk/externals/zexy/; revision=2998
Diffstat (limited to 'src/z_tilde.c')
-rw-r--r--src/z_tilde.c132
1 files changed, 0 insertions, 132 deletions
diff --git a/src/z_tilde.c b/src/z_tilde.c
deleted file mode 100644
index 7d786ca..0000000
--- a/src/z_tilde.c
+++ /dev/null
@@ -1,132 +0,0 @@
-/******************************************************
- *
- * zexy - implementation file
- *
- * copyleft (c) IOhannes m zmölnig
- *
- * 1999:forum::für::umläute:2004
- *
- * institute of electronic music and acoustics (iem)
- *
- ******************************************************
- *
- * license: GNU General Public License v.2
- *
- ******************************************************/
-
-/*
- here we do some sample-wise delay, so you can do your own FIR-filter-designs
- here are :: "z^(-1)", "z^(-N)"
- to do :: a "lattice~" section ...
-
- 1302:forum::für::umläute:2000
-*/
-
-#include "zexy.h"
-
-/* ----------------------------------------------------- */
-
-static t_class *zNdelay_class;
-
-typedef struct _zNdelay
-{
- t_object x_obj;
-
- t_float *buf;
- int bufsize, phase;
-
-} t_zNdelay;
-
-static void zdel_float(t_zNdelay *x, t_floatarg f)
-{
- int i = f+1;
- if (i<1)i=1;
- if (i==x->bufsize)return;
- freebytes(x->buf, x->bufsize*sizeof(t_float));
- x->bufsize=i;
- x->buf=(t_float *)getbytes(x->bufsize*sizeof(t_float));
- x->phase=0;
-}
-
-static t_int *zN_perform(t_int *w)
-{
- t_float *in = (t_float *)(w[1]);
- t_float *out = (t_float *)(w[2]);
- t_zNdelay *x = (t_zNdelay *)(w[3]);
- int n = (int)(w[4]);
-
- t_float *buf = x->buf;
- int bufsize=x->bufsize, ph=x->phase;
-
- if (bufsize==1) {
- if (in!=out)while(n--)*out++=*in++;
- } else if (bufsize==2) {
- register t_float f, last=*buf;
- while(n--){
- f=*in++;
- *out++=last;
- last=f;
- }
- *buf=last;
- } else {
- while (n--) {
- *(buf+ph++) = *in++;
- *out++ = buf[ph%=bufsize];
- }
- x->phase=ph;
- }
- return (w+5);
-}
-
-
-static void zNdelay_dsp(t_zNdelay *x, t_signal **sp)
-{
- dsp_add(zN_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, sp[0]->s_n);
-}
-
-static void *zNdelay_new(t_floatarg f)
-{
- t_zNdelay *x = (t_zNdelay *)pd_new(zNdelay_class);
- int i = f;
- t_float *b;
-
- if (i<=0) i=1;
- i++;
-
- x->bufsize = i;
- x->buf = (t_float *)getbytes(sizeof(t_float) * x->bufsize);
- b=x->buf;
- while (i--) {
- *b++=0;
- }
- x->phase = 0;
-
- outlet_new(&x->x_obj, gensym("signal"));
- return (x);
-}
-
-static void zNdelay_free(t_zNdelay *x)
-{
- freebytes(x->buf, sizeof(t_float) * x->bufsize);
-}
-
-
-static void zdel_helper(void)
-{
- post("\n%c z~\t:: samplewise delay", HEARTSYMBOL);
- post("creation :: 'z~ [<n>]' : creates a <n>-sample delay; default is 1");
-}
-
-
-void z_tilde_setup(void)
-{
- zNdelay_class = class_new(gensym("z~"), (t_newmethod)zNdelay_new, (t_method)zNdelay_free,
- sizeof(t_zNdelay), 0, A_DEFFLOAT, 0);
- class_addmethod(zNdelay_class, nullfn, gensym("signal"), 0);
- class_addmethod(zNdelay_class, (t_method)zNdelay_dsp, gensym("dsp"), 0);
-
- class_addfloat(zNdelay_class, zdel_float);
- class_addmethod(zNdelay_class, (t_method)zdel_helper, gensym("help"), 0);
- class_sethelpsymbol(zNdelay_class, gensym("zexy/z~"));
- zexy_register("z~");
-}