diff options
author | IOhannes m zmölnig <zmoelnig@users.sourceforge.net> | 2005-05-17 16:50:28 +0000 |
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committer | IOhannes m zmölnig <zmoelnig@users.sourceforge.net> | 2005-05-17 16:50:28 +0000 |
commit | 6b378329aa20ec2caa3f06968c2ac71d41dca7f9 (patch) | |
tree | 849bbfb62e3b5842252a3920e3a0b0bdf3617ac8 /src/unpack_tilde.c | |
parent | c3a32b31057a7f805382154403ddb6d68424a6dd (diff) |
renamed *_tilde.c-files to *~.c
svn path=/trunk/externals/zexy/; revision=2998
Diffstat (limited to 'src/unpack_tilde.c')
-rw-r--r-- | src/unpack_tilde.c | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/src/unpack_tilde.c b/src/unpack_tilde.c deleted file mode 100644 index f65d745..0000000 --- a/src/unpack_tilde.c +++ /dev/null @@ -1,134 +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 - * - ******************************************************/ - -/* 0109:forum::für::umläute:2000 - unpack~ :: convert float-(package)-inputs to signals -*/ - -/* ---------------------------- unpack~ ----------------------------- */ -/* unpack a sequence of float-package to a signal-vector */ - - -#include "zexy.h" -#include <math.h> - -static t_class *sigunpack_class; - -typedef struct _sigunpack -{ - t_object x_obj; - t_float *buffer; - t_float *rp, *wp; - int bufsize; - -} t_sigunpack; - -static void sigunpack_float(t_sigunpack *x, t_float f) -{ - if (x->wp + 1 != x->rp) { - *(x->wp)++ = f; - if (x->wp == x->buffer + x->bufsize) x->wp = x->buffer; - } -} - -static void sigunpack_list(t_sigunpack *x, t_symbol *s, int argc, t_atom *argv) -{ - t_atom *ap = argv; - int i; - - for (i = 0, ap = argv; i < argc; ap++, i++) { - // if (ap->a_type == A_FLOAT) { - if (x->wp + 1 != x->rp) { - *(x->wp)++ = atom_getfloat(ap); - if (x->wp == x->buffer + x->bufsize) x->wp = x->buffer; - } - // } - } -} - - -static t_int *sigunpack_perform(t_int *w) -{ - t_float *out = (t_float *)(w[1]); - t_sigunpack *x = (t_sigunpack *)w[2]; - int n = (int)(w[3]); - - t_float *buf = x->rp; - int hitchhike = 0; - - if ((x->wp >= x->rp) && (x->wp < x->rp+n)) hitchhike=1; - x->rp += n; - if (x->rp == x->buffer + x->bufsize) x->rp = x->buffer; - if (hitchhike) x->wp = x->rp; - - while (n--) { - *out++ = *buf; - *buf++ = 0; - } - - return (w+4); -} - -static void sigunpack_dsp(t_sigunpack *x, t_signal **sp) -{ - if (x->bufsize % sp[0]->s_n) { - int newsize = sp[0]->s_n*(1+(int)(x->bufsize/sp[0]->s_n)); - freebytes(x->buffer, x->bufsize * sizeof(t_float)); - x->buffer = (t_float *)getbytes(newsize * sizeof(t_float)); - - x->rp = x->wp = x->buffer; - x->bufsize = newsize; - } - - dsp_add(sigunpack_perform, 3, sp[0]->s_vec, x, sp[0]->s_n); -} - -static void *sigunpack_new(t_floatarg f) -{ - t_sigunpack *x = (t_sigunpack *)pd_new(sigunpack_class); - - int suggestedsize = (int)f; - int bufsize; - if (!suggestedsize) bufsize = 64; - else bufsize = (suggestedsize % 64)?(64*(1+(int)(suggestedsize/64))):suggestedsize; - - x->buffer = (t_float *)getbytes(bufsize * sizeof(t_float)); - x->bufsize = bufsize; - x->rp = x->wp = x->buffer; - - outlet_new(&x->x_obj, gensym("signal")); - - return (x); -} - -static void sigunpack_help(void) -{ - post("unpack~\t:: outputs a sequence of floats as a signal"); -} - -void unpack_tilde_setup(void) -{ - sigunpack_class = class_new(gensym("unpack~"), (t_newmethod)sigunpack_new, 0, - sizeof(t_sigunpack), 0, A_DEFFLOAT, 0); - class_addmethod(sigunpack_class, (t_method)sigunpack_dsp, gensym("dsp"), 0); - class_addfloat(sigunpack_class, (t_method)sigunpack_float); - class_addlist (sigunpack_class, (t_method)sigunpack_list); - - - class_addmethod(sigunpack_class, (t_method)sigunpack_help, gensym("help"), 0); - class_sethelpsymbol(sigunpack_class, gensym("zexy/unpack~")); - zexy_register("unpack~"); -} |