From 843409ecc7baf287962cbe34e967380302f35509 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?IOhannes=20m=20zm=C3=B6lnig?= Date: Fri, 1 Jun 2007 09:15:09 +0000 Subject: new filelayout (one c-file per object) svn path=/trunk/externals/iem16/; revision=7739 --- src/iem16_delay.c | 303 ------------------------------------------------------ 1 file changed, 303 deletions(-) delete mode 100755 src/iem16_delay.c (limited to 'src/iem16_delay.c') diff --git a/src/iem16_delay.c b/src/iem16_delay.c deleted file mode 100755 index 8d29ba0..0000000 --- a/src/iem16_delay.c +++ /dev/null @@ -1,303 +0,0 @@ -/* copyleft (c) 2003 forum::für::umläute -- IOhannes m zmölnig @ IEM - * based on d_delay.c from pd: - * 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. */ - -/* del16read~, del16write~, vd16~ */ - -#include "iem16_table.h" - -#if defined __WIN32 || defined __WIN32__ -static int ugen_getsortno(void){return 0;} -#else -extern int ugen_getsortno(void); -#endif - -#define DEFDELVS 64 /* LATER get this from canvas at DSP time */ - -/* ----------------------------- del16write~ ----------------------------- */ -static t_class *sigdel16write_class; - -typedef struct del16writectl{ - int c_n; - t_iem16_16bit *c_vec; - int c_phase; -} t_del16writectl; - -typedef struct _sigdel16write{ - t_object x_obj; - t_symbol *x_sym; - t_del16writectl x_cspace; - int x_sortno; /* DSP sort number at which this was last put on chain */ - int x_rsortno; /* DSP sort # for first del16read or write in chain */ - int x_vecsize; /* vector size for del16read~ to use */ - float x_f; -} t_sigdel16write; - -#define XTRASAMPS 4 -#define SAMPBLK 4 - -/* routine to check that all del16writes/del16reads/vds have same vecsize */ -static void sigdel16write_checkvecsize(t_sigdel16write *x, int vecsize){ - if (x->x_rsortno != ugen_getsortno()) { - x->x_vecsize = vecsize; - x->x_rsortno = ugen_getsortno(); - } - else if (vecsize != x->x_vecsize) - pd_error(x, "del16read/del16write/vd vector size mismatch"); -} - -static void *sigdel16write_new(t_symbol *s, t_floatarg msec){ - int nsamps; - t_sigdel16write *x = (t_sigdel16write *)pd_new(sigdel16write_class); - if (!*s->s_name) s = gensym("del16write~"); - pd_bind(&x->x_obj.ob_pd, s); - x->x_sym = s; - nsamps = msec * sys_getsr() * (float)(0.001f); - if (nsamps < 1) nsamps = 1; - nsamps += ((- nsamps) & (SAMPBLK - 1)); - nsamps += DEFDELVS; - x->x_cspace.c_n = nsamps; - x->x_cspace.c_vec = - (t_iem16_16bit *)getbytes((nsamps + XTRASAMPS) * sizeof(t_iem16_16bit)); - x->x_cspace.c_phase = XTRASAMPS; - x->x_sortno = 0; - x->x_vecsize = 0; - x->x_f = 0; - return (x); -} - -static t_int *sigdel16write_perform(t_int *w){ - t_float *in = (t_float *)(w[1]); - t_del16writectl *c = (t_del16writectl *)(w[2]); - int n = (int)(w[3]); - int phase = c->c_phase, nsamps = c->c_n; - t_iem16_16bit *vp = c->c_vec, *bp = vp + phase, *ep = vp + (c->c_n + XTRASAMPS); - phase += n; - while (n--) { - *bp++ = (*in++*IEM16_SCALE_UP); - if (bp == ep) { - vp[0] = ep[-4]; - vp[1] = ep[-3]; - vp[2] = ep[-2]; - vp[3] = ep[-1]; - bp = vp + XTRASAMPS; - phase -= nsamps; - } - } - c->c_phase = phase; - return (w+4); -} - -static void sigdel16write_dsp(t_sigdel16write *x, t_signal **sp){ - dsp_add(sigdel16write_perform, 3, sp[0]->s_vec, &x->x_cspace, sp[0]->s_n); - x->x_sortno = ugen_getsortno(); - sigdel16write_checkvecsize(x, sp[0]->s_n); -} - -static void sigdel16write_free(t_sigdel16write *x){ - pd_unbind(&x->x_obj.ob_pd, x->x_sym); - freebytes(x->x_cspace.c_vec, - (x->x_cspace.c_n + XTRASAMPS) * sizeof(t_iem16_16bit)); -} - -static void sigdel16write_setup(void){ - sigdel16write_class = class_new(gensym("del16write~"), - (t_newmethod)sigdel16write_new, (t_method)sigdel16write_free, - sizeof(t_sigdel16write), 0, A_DEFSYM, A_DEFFLOAT, 0); - CLASS_MAINSIGNALIN(sigdel16write_class, t_sigdel16write, x_f); - class_addmethod(sigdel16write_class, (t_method)sigdel16write_dsp, - gensym("dsp"), 0); -} - -// G.Holzmann: for PD-extended build system -void del16write_tilde_setup(void) -{ - sigdel16write_setup(); -} - -/* ----------------------------- del16read~ ----------------------------- */ -static t_class *sigdel16read_class; - -typedef struct _sigdel16read{ - t_object x_obj; - t_symbol *x_sym; - t_float x_deltime; /* delay in msec */ - int x_delsamps; /* delay in samples */ - t_float x_sr; /* samples per msec */ - t_float x_n; /* vector size */ - int x_zerodel; /* 0 or vecsize depending on read/write order */ -} t_sigdel16read; - -static void sigdel16read_16bit(t_sigdel16read *x, t_float f); - -static void *sigdel16read_new(t_symbol *s, t_floatarg f){ - t_sigdel16read *x = (t_sigdel16read *)pd_new(sigdel16read_class); - x->x_sym = s; - x->x_sr = 1; - x->x_n = 1; - x->x_zerodel = 0; - sigdel16read_16bit(x, f); - outlet_new(&x->x_obj, gensym("signal")); - return (x); -} - -static void sigdel16read_16bit(t_sigdel16read *x, t_float f){ - t_sigdel16write *delwriter = - (t_sigdel16write *)pd_findbyclass(x->x_sym, sigdel16write_class); - x->x_deltime = f; - if (delwriter) { - x->x_delsamps = (int)(0.5 + x->x_sr * x->x_deltime) - + x->x_n - x->x_zerodel; - if (x->x_delsamps < x->x_n) x->x_delsamps = x->x_n; - else if (x->x_delsamps > delwriter->x_cspace.c_n - DEFDELVS) - x->x_delsamps = delwriter->x_cspace.c_n - DEFDELVS; - } -} - -static t_int *sigdel16read_perform(t_int *w){ - t_float *out = (t_float *)(w[1]); - t_del16writectl *c = (t_del16writectl *)(w[2]); - int delsamps = *(int *)(w[3]); - int n = (int)(w[4]); - int phase = c->c_phase - delsamps, nsamps = c->c_n; - t_iem16_16bit *vp = c->c_vec, *bp, *ep = vp + (c->c_n + XTRASAMPS); - - if (phase < 0) phase += nsamps; - bp = vp + phase; - while (n--) { - *out++ = *bp++*IEM16_SCALE_DOWN; - if (bp == ep) bp -= nsamps; - } - return (w+5); -} - -static void sigdel16read_dsp(t_sigdel16read *x, t_signal **sp){ - t_sigdel16write *delwriter = - (t_sigdel16write *)pd_findbyclass(x->x_sym, sigdel16write_class); - x->x_sr = sp[0]->s_sr * 0.001; - x->x_n = sp[0]->s_n; - if (delwriter) { - sigdel16write_checkvecsize(delwriter, sp[0]->s_n); - x->x_zerodel = (delwriter->x_sortno == ugen_getsortno() ? - 0 : delwriter->x_vecsize); - sigdel16read_16bit(x, x->x_deltime); - dsp_add(sigdel16read_perform, 4, - sp[0]->s_vec, &delwriter->x_cspace, &x->x_delsamps, sp[0]->s_n); - } - else if (*x->x_sym->s_name) - error("delread~: %s: no such delwrite~",x->x_sym->s_name); -} - -static void sigdel16read_setup(void){ - sigdel16read_class = class_new(gensym("del16read~"), - (t_newmethod)sigdel16read_new, 0, - sizeof(t_sigdel16read), 0, A_DEFSYM, A_DEFFLOAT, 0); - class_addmethod(sigdel16read_class, (t_method)sigdel16read_dsp, - gensym("dsp"), 0); - class_addfloat(sigdel16read_class, (t_method)sigdel16read_16bit); -} - -// G.Holzmann: for PD-extended build system -void del16read_tilde_setup(void) -{ - sigdel16read_setup(); -} - -/* ----------------------------- vd~ ----------------------------- */ -static t_class *sig16vd_class; - -typedef struct _sig16vd{ - t_object x_obj; - t_symbol *x_sym; - t_float x_sr; /* samples per msec */ - int x_zerodel; /* 0 or vecsize depending on read/write order */ - float x_f; -} t_sig16vd; - -static void *sig16vd_new(t_symbol *s){ - t_sig16vd *x = (t_sig16vd *)pd_new(sig16vd_class); - if (!*s->s_name) s = gensym("vd~"); - x->x_sym = s; - x->x_sr = 1; - x->x_zerodel = 0; - outlet_new(&x->x_obj, gensym("signal")); - x->x_f = 0; - return (x); -} - -static t_int *sig16vd_perform(t_int *w){ - t_float *in = (t_float *)(w[1]); - t_float *out = (t_float *)(w[2]); - t_del16writectl *ctl = (t_del16writectl *)(w[3]); - t_sig16vd *x = (t_sig16vd *)(w[4]); - int n = (int)(w[5]); - - int nsamps = ctl->c_n; - float limit = nsamps - n - 1; - float fn = n-4; - t_iem16_16bit *vp = ctl->c_vec, *bp, *wp = vp + ctl->c_phase; - float zerodel = x->x_zerodel; - while (n--) { - float delsamps = x->x_sr * *in++ - zerodel, frac; - int idelsamps; - float a, b, c, d, cminusb; - if (delsamps < 1.00001f) delsamps = 1.00001f; - if (delsamps > limit) delsamps = limit; - delsamps += fn; - fn = fn - 1.0f; - idelsamps = delsamps; - frac = delsamps - (float)idelsamps; - bp = wp - (idelsamps + 3); - if (bp < vp + 4) bp += nsamps; - d = bp[-3]*IEM16_SCALE_DOWN; - c = bp[-2]*IEM16_SCALE_DOWN; - b = bp[-1]*IEM16_SCALE_DOWN; - a = bp[00]*IEM16_SCALE_DOWN; - cminusb = c-b; - *out++ = b + frac * ( - cminusb - 0.5f * (frac-1.) * ( - (a - d + 3.0f * cminusb) * frac + (b - a - cminusb) - ) - ); - } - return (w+6); -} - -static void sig16vd_dsp(t_sig16vd *x, t_signal **sp){ - t_sigdel16write *delwriter = - (t_sigdel16write *)pd_findbyclass(x->x_sym, sigdel16write_class); - x->x_sr = sp[0]->s_sr * 0.001; - if (delwriter) { - sigdel16write_checkvecsize(delwriter, sp[0]->s_n); - x->x_zerodel = (delwriter->x_sortno == ugen_getsortno() ? - 0 : delwriter->x_vecsize); - dsp_add(sig16vd_perform, 5, - sp[0]->s_vec, sp[1]->s_vec, - &delwriter->x_cspace, x, sp[0]->s_n); - } - else error("vd~: %s: no such delwrite~",x->x_sym->s_name); -} - -static void sig16vd_setup(void){ - sig16vd_class = class_new(gensym("vd16~"), (t_newmethod)sig16vd_new, 0, - sizeof(t_sig16vd), 0, A_DEFSYM, 0); - class_addmethod(sig16vd_class, (t_method)sig16vd_dsp, gensym("dsp"), 0); - CLASS_MAINSIGNALIN(sig16vd_class, t_sig16vd, x_f); -} - -// G.Holzmann: for PD-extended build system -void vd16_tilde_setup(void) -{ - sig16vd_setup(); -} - -/* ----------------------- global setup routine ---------------- */ - -void iem16_delay_setup(void){ - sigdel16write_setup(); - sigdel16read_setup(); - sig16vd_setup(); -} - -- cgit v1.2.1