diff options
Diffstat (limited to 'src/iem16_array_tilde.c')
| -rw-r--r-- | src/iem16_array_tilde.c | 514 |
1 files changed, 0 insertions, 514 deletions
diff --git a/src/iem16_array_tilde.c b/src/iem16_array_tilde.c deleted file mode 100644 index 8e3dc8f..0000000 --- a/src/iem16_array_tilde.c +++ /dev/null @@ -1,514 +0,0 @@ -/* copyleft (c) 2003 forum::für::umläute -- IOhannes m zmölnig @ IEM - * based on d_array.c from pd: - * Copyright (c) 1997-1999 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. */ - -/* tab16write~, tab16play~, tab16read~, tab16read4~, tab16send~, tab16receive~ */ - -#include "iem16_table.h" - -/* ------------------------- tab16write~ -------------------------- */ - -static t_class *tab16write_tilde_class; - -typedef struct _tab16write_tilde { - t_object x_obj; - int x_phase; - int x_nsampsintab; - short *x_vec; - t_symbol *x_arrayname; - float x_f; -} t_tab16write_tilde; - -static void *tab16write_tilde_new(t_symbol *s) { - t_tab16write_tilde *x = (t_tab16write_tilde *)pd_new(tab16write_tilde_class); - x->x_phase = 0x7fffffff; - x->x_arrayname = s; - x->x_f = 0; - return (x); -} - -static t_int *tab16write_tilde_perform(t_int *w) { - t_tab16write_tilde *x = (t_tab16write_tilde *)(w[1]); - t_float *in = (t_float *)(w[2]); - int n = (int)(w[3]), phase = x->x_phase, endphase = x->x_nsampsintab; - if (!x->x_vec) goto bad; - - if (endphase > phase) { - int nxfer = endphase - phase; - t_iem16_16bit *fp = x->x_vec + phase; - if (nxfer > n) nxfer = n; - phase += nxfer; - while (nxfer--)*fp++ = *in++*IEM16_SCALE_UP; - x->x_phase = phase; - } - bad: - return (w+4); -} - -void tab16write_tilde_set(t_tab16write_tilde *x, t_symbol *s){ - t_table16 *a; - - x->x_arrayname = s; - if (!(a = (t_table16 *)pd_findbyclass(x->x_arrayname, table16_class))) { - if (*s->s_name) pd_error(x, "tab16write~: %s: no such array", - x->x_arrayname->s_name); - x->x_vec = 0; - } - else if (!table16_getarray16(a, &x->x_nsampsintab, &x->x_vec)) { - error("%s: bad template for tab16write~", x->x_arrayname->s_name); - x->x_vec = 0; - } - else table16_usedindsp(a); -} - -static void tab16write_tilde_dsp(t_tab16write_tilde *x, t_signal **sp){ - tab16write_tilde_set(x, x->x_arrayname); - dsp_add(tab16write_tilde_perform, 3, x, sp[0]->s_vec, sp[0]->s_n); -} - -static void tab16write_tilde_bang(t_tab16write_tilde *x){ - x->x_phase = 0; -} - -static void tab16write_tilde_stop(t_tab16write_tilde *x){} - -static void tab16write_tilde_free(t_tab16write_tilde *x){} - -void tab16write_tilde_setup(void){ - tab16write_tilde_class = class_new(gensym("tab16write~"), - (t_newmethod)tab16write_tilde_new, (t_method)tab16write_tilde_free, - sizeof(t_tab16write_tilde), 0, A_DEFSYM, 0); - CLASS_MAINSIGNALIN(tab16write_tilde_class, t_tab16write_tilde, x_f); - class_addmethod(tab16write_tilde_class, (t_method)tab16write_tilde_dsp, - gensym("dsp"), 0); - class_addmethod(tab16write_tilde_class, (t_method)tab16write_tilde_set, - gensym("set"), A_SYMBOL, 0); - class_addmethod(tab16write_tilde_class, (t_method)tab16write_tilde_stop, - gensym("stop"), 0); - class_addbang(tab16write_tilde_class, tab16write_tilde_bang); -} - -/* ------------ tab16play~ - non-transposing sample playback --------------- */ - -static t_class *tab16play_tilde_class; - -typedef struct _tab16play_tilde{ - t_object x_obj; - t_outlet *x_bangout; - int x_phase; - int x_nsampsintab; - int x_limit; - t_iem16_16bit *x_vec; - t_symbol *x_arrayname; -} t_tab16play_tilde; - -static void *tab16play_tilde_new(t_symbol *s){ - t_tab16play_tilde *x = (t_tab16play_tilde *)pd_new(tab16play_tilde_class); - x->x_phase = 0x7fffffff; - x->x_limit = 0; - x->x_arrayname = s; - outlet_new(&x->x_obj, gensym("signal")); - x->x_bangout = outlet_new(&x->x_obj, gensym("bang")); - return (x); -} - -static t_int *tab16play_tilde_perform(t_int *w){ - t_tab16play_tilde *x = (t_tab16play_tilde *)(w[1]); - t_float *out = (t_float *)(w[2]); - t_iem16_16bit *fp; - int n = (int)(w[3]), phase = x->x_phase, - endphase = (x->x_nsampsintab < x->x_limit ? - x->x_nsampsintab : x->x_limit), nxfer, n3; - if (!x->x_vec || phase >= endphase) goto zero; - - nxfer = endphase - phase; - fp = x->x_vec + phase; - if (nxfer > n) - nxfer = n; - n3 = n - nxfer; - phase += nxfer; - while (nxfer--) *out++ = *fp++*IEM16_SCALE_DOWN; - if (phase >= endphase) { - x->x_phase = 0x7fffffff; - while (n3--) *out++ = 0; - } - else x->x_phase = phase; - - return (w+4); - zero: - while (n--) *out++ = 0; - return (w+4); -} - -void tab16play_tilde_set(t_tab16play_tilde *x, t_symbol *s){ - t_table16 *a; - - x->x_arrayname = s; - if (!(a = (t_table16 *)pd_findbyclass(x->x_arrayname, table16_class))) { - if (*s->s_name) pd_error(x, "tab16play~: %s: no such array", - x->x_arrayname->s_name); - x->x_vec = 0; - } - else if (!table16_getarray16(a, &x->x_nsampsintab, &x->x_vec)) { - error("%s: bad template for tab16play~", x->x_arrayname->s_name); - x->x_vec = 0; - } - else table16_usedindsp(a); -} - -static void tab16play_tilde_dsp(t_tab16play_tilde *x, t_signal **sp){ - tab16play_tilde_set(x, x->x_arrayname); - dsp_add(tab16play_tilde_perform, 3, x, sp[0]->s_vec, sp[0]->s_n); -} - -static void tab16play_tilde_list(t_tab16play_tilde *x, t_symbol *s, - int argc, t_atom *argv){ - long start = atom_getfloatarg(0, argc, argv); - long length = atom_getfloatarg(1, argc, argv); - if (start < 0) start = 0; - if (length <= 0)x->x_limit = 0x7fffffff; - else x->x_limit = start + length; - x->x_phase = start; -} - -static void tab16play_tilde_stop(t_tab16play_tilde *x){ - x->x_phase = 0x7fffffff; -} - -static void tab16play_tilde_free(t_tab16play_tilde *x){} - -void tab16play_tilde_setup(void){ - tab16play_tilde_class = class_new(gensym("tab16play~"), - (t_newmethod)tab16play_tilde_new, (t_method)tab16play_tilde_free, - sizeof(t_tab16play_tilde), 0, A_DEFSYM, 0); - class_addmethod(tab16play_tilde_class, (t_method)tab16play_tilde_dsp, - gensym("dsp"), 0); - class_addmethod(tab16play_tilde_class, (t_method)tab16play_tilde_stop, - gensym("stop"), 0); - class_addmethod(tab16play_tilde_class, (t_method)tab16play_tilde_set, - gensym("set"), A_DEFSYM, 0); - class_addlist(tab16play_tilde_class, tab16play_tilde_list); -} - -/* ------------------------ tab16send~ ------------------------- */ - -static t_class *tab16send_class; - -typedef struct _tab16send{ - t_object x_obj; - t_iem16_16bit *x_vec; - int x_graphperiod; - int x_graphcount; - t_symbol *x_arrayname; - float x_f; -} t_tab16send; - -static void *tab16send_new(t_symbol *s){ - t_tab16send *x = (t_tab16send *)pd_new(tab16send_class); - x->x_graphcount = 0; - x->x_arrayname = s; - x->x_f = 0; - return (x); -} - -static t_int *tab16send_perform(t_int *w){ - t_tab16send *x = (t_tab16send *)(w[1]); - t_float *in = (t_float *)(w[2]); - int n = w[3]; - t_iem16_16bit *dest = x->x_vec; - int i = x->x_graphcount; - if (!x->x_vec) goto bad; - - while (n--) *dest = *in++*IEM16_SCALE_UP; - if (!i--)i = x->x_graphperiod; - x->x_graphcount = i; - bad: - return (w+4); -} - -static void tab16send_dsp(t_tab16send *x, t_signal **sp){ - int vecsize; - t_table16 *a; - - if (!(a = (t_table16 *)pd_findbyclass(x->x_arrayname, table16_class))) { - if (*x->x_arrayname->s_name) - error("tab16send~: %s: no such array", x->x_arrayname->s_name); - } - else if (!table16_getarray16(a, &vecsize, &x->x_vec)) - error("%s: bad template for tab16send~", x->x_arrayname->s_name); - else { - int n = sp[0]->s_n; - int ticksper = sp[0]->s_sr/n; - if (ticksper < 1) ticksper = 1; - x->x_graphperiod = ticksper; - if (x->x_graphcount > ticksper) x->x_graphcount = ticksper; - if (n < vecsize) vecsize = n; - table16_usedindsp(a); - dsp_add(tab16send_perform, 3, x, sp[0]->s_vec, vecsize); - } -} - -static void tab16send_free(t_tab16send *x){} - -static void tab16send_setup(void){ - tab16send_class = class_new(gensym("tab16send~"), (t_newmethod)tab16send_new, - (t_method)tab16send_free, sizeof(t_tab16send), 0, A_DEFSYM, 0); - CLASS_MAINSIGNALIN(tab16send_class, t_tab16send, x_f); - class_addmethod(tab16send_class, (t_method)tab16send_dsp, gensym("dsp"), 0); -} - -// G.Holzmann: for PD-extended build system -void tab16send_tilde_setup(void) -{ - tab16send_setup(); -} - -/* ------------------------ tab16receive~ ------------------------- */ - -static t_class *tab16receive_class; - -typedef struct _tab16receive{ - t_object x_obj; - t_iem16_16bit *x_vec; - t_symbol *x_arrayname; -} t_tab16receive; - -static t_int *tab16receive_perform(t_int *w){ - t_tab16receive *x = (t_tab16receive *)(w[1]); - t_float *out = (t_float *)(w[2]); - int n = w[3]; - t_iem16_16bit *from = x->x_vec; - if (from) while (n--) *out++ = *from++*IEM16_SCALE_DOWN; - else while (n--) *out++ = 0; - return (w+4); -} - -static void tab16receive_dsp(t_tab16receive *x, t_signal **sp){ - t_table16 *a; - int vecsize; - - if (!(a = (t_table16 *)pd_findbyclass(x->x_arrayname, table16_class))) { - if (*x->x_arrayname->s_name) - error("tab16send~: %s: no such array", x->x_arrayname->s_name); - } - else if (!table16_getarray16(a, &vecsize, &x->x_vec)) - error("%s: bad template for tab16receive~", x->x_arrayname->s_name); - else { - int n = sp[0]->s_n; - if (n < vecsize) vecsize = n; - table16_usedindsp(a); - dsp_add(tab16receive_perform, 3, x, sp[0]->s_vec, vecsize); - } -} - -static void *tab16receive_new(t_symbol *s){ - t_tab16receive *x = (t_tab16receive *)pd_new(tab16receive_class); - x->x_arrayname = s; - outlet_new(&x->x_obj, gensym("signal")); - return (x); -} - -static void tab16receive_setup(void){ - tab16receive_class = class_new(gensym("tab16receive~"), - (t_newmethod)tab16receive_new, 0, - sizeof(t_tab16receive), 0, A_DEFSYM, 0); - class_addmethod(tab16receive_class, (t_method)tab16receive_dsp, - gensym("dsp"), 0); -} - -// G.Holzmann: for PD-extended build system -void tab16receive_tilde_setup(void) -{ - tab16receive_setup(); -} - -/******************** tab16read~ ***********************/ - -static t_class *tab16read_tilde_class; - -typedef struct _tab16read_tilde{ - t_object x_obj; - int x_npoints; - t_iem16_16bit *x_vec; - t_symbol *x_arrayname; - float x_f; -} t_tab16read_tilde; - -static void *tab16read_tilde_new(t_symbol *s){ - t_tab16read_tilde *x = (t_tab16read_tilde *)pd_new(tab16read_tilde_class); - x->x_arrayname = s; - x->x_vec = 0; - outlet_new(&x->x_obj, gensym("signal")); - x->x_f = 0; - return (x); -} - -static t_int *tab16read_tilde_perform(t_int *w){ - t_tab16read_tilde *x = (t_tab16read_tilde *)(w[1]); - t_float *in = (t_float *)(w[2]); - t_float *out = (t_float *)(w[3]); - int n = (int)(w[4]); - int maxindex; - t_iem16_16bit *buf = x->x_vec; - int i; - - maxindex = x->x_npoints - 1; - if (!buf) goto zero; - - for (i = 0; i < n; i++) { - int index = *in++; - if (index < 0) index = 0; - else if (index > maxindex) index = maxindex; - *out++ = buf[index]*IEM16_SCALE_DOWN; - } - return (w+5); - zero: - while (n--) *out++ = 0; - - return (w+5); -} - -void tab16read_tilde_set(t_tab16read_tilde *x, t_symbol *s){ - t_table16 *a; - - x->x_arrayname = s; - if (!(a = (t_table16 *)pd_findbyclass(x->x_arrayname, table16_class))) { - if (*s->s_name) - error("tab16read~: %s: no such array", x->x_arrayname->s_name); - x->x_vec = 0; - } - else if (!table16_getarray16(a, &x->x_npoints, &x->x_vec)) { - error("%s: bad template for tab16read~", x->x_arrayname->s_name); - x->x_vec = 0; - } - else table16_usedindsp(a); -} - -static void tab16read_tilde_dsp(t_tab16read_tilde *x, t_signal **sp){ - tab16read_tilde_set(x, x->x_arrayname); - - dsp_add(tab16read_tilde_perform, 4, x, - sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n); - -} - -static void tab16read_tilde_free(t_tab16read_tilde *x){} - -void tab16read_tilde_setup(void){ - tab16read_tilde_class = class_new(gensym("tab16read~"), - (t_newmethod)tab16read_tilde_new, (t_method)tab16read_tilde_free, - sizeof(t_tab16read_tilde), 0, A_DEFSYM, 0); - CLASS_MAINSIGNALIN(tab16read_tilde_class, t_tab16read_tilde, x_f); - class_addmethod(tab16read_tilde_class, (t_method)tab16read_tilde_dsp, - gensym("dsp"), 0); - class_addmethod(tab16read_tilde_class, (t_method)tab16read_tilde_set, - gensym("set"), A_SYMBOL, 0); -} - -/******************** tab16read4~ ***********************/ - -static t_class *tab16read4_tilde_class; - -typedef struct _tab16read4_tilde{ - t_object x_obj; - int x_npoints; - t_iem16_16bit *x_vec; - t_symbol *x_arrayname; - float x_f; -} t_tab16read4_tilde; - -static void *tab16read4_tilde_new(t_symbol *s){ - t_tab16read4_tilde *x = (t_tab16read4_tilde *)pd_new(tab16read4_tilde_class); - x->x_arrayname = s; - x->x_vec = 0; - outlet_new(&x->x_obj, gensym("signal")); - x->x_f = 0; - return (x); -} - -static t_int *tab16read4_tilde_perform(t_int *w){ - t_tab16read4_tilde *x = (t_tab16read4_tilde *)(w[1]); - t_float *in = (t_float *)(w[2]); - t_float *out = (t_float *)(w[3]); - int n = (int)(w[4]); - int maxindex; - t_iem16_16bit *buf = x->x_vec; - t_iem16_16bit *fp; - int i; - - maxindex = x->x_npoints - 3; - - if (!buf) goto zero; - - for (i = 0; i < n; i++) { - float findex = *in++; - int index = findex; - float frac, a, b, c, d, cminusb; - if (index < 1) index = 1, frac = 0; - else if (index > maxindex) index = maxindex, frac = 1; - else frac = findex - index; - fp = buf + index; - a = fp[-1]*IEM16_SCALE_DOWN; - b = fp[0]*IEM16_SCALE_DOWN; - c = fp[1]*IEM16_SCALE_DOWN; - d = fp[2]*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+5); - zero: - while (n--) *out++ = 0; - - return (w+5); -} - -void tab16read4_tilde_set(t_tab16read4_tilde *x, t_symbol *s){ - t_table16 *a; - - x->x_arrayname = s; - if (!(a = (t_table16 *)pd_findbyclass(x->x_arrayname, table16_class))) { - if (*s->s_name) - error("tab16read4~: %s: no such array", x->x_arrayname->s_name); - x->x_vec = 0; - } - else if (!table16_getarray16(a, &x->x_npoints, &x->x_vec)) { - error("%s: bad template for tab16read4~", x->x_arrayname->s_name); - x->x_vec = 0; - } - else table16_usedindsp(a); -} - -static void tab16read4_tilde_dsp(t_tab16read4_tilde *x, t_signal **sp){ - tab16read4_tilde_set(x, x->x_arrayname); - - dsp_add(tab16read4_tilde_perform, 4, x, - sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n); -} - -void tab16read4_tilde_setup(void){ - tab16read4_tilde_class = class_new(gensym("tab16read4~"), - (t_newmethod)tab16read4_tilde_new, 0, - sizeof(t_tab16read4_tilde), 0, A_DEFSYM, 0); - CLASS_MAINSIGNALIN(tab16read4_tilde_class, t_tab16read4_tilde, x_f); - class_addmethod(tab16read4_tilde_class, (t_method)tab16read4_tilde_dsp, - gensym("dsp"), 0); - class_addmethod(tab16read4_tilde_class, (t_method)tab16read4_tilde_set, - gensym("set"), A_SYMBOL, 0); -} -/* ------------------------ global setup routine ------------------------- */ - -void iem16_array_tilde_setup(void){ - tab16write_tilde_setup(); - tab16play_tilde_setup(); - tab16read_tilde_setup(); - tab16read4_tilde_setup(); - tab16send_setup(); - tab16receive_setup(); -} - |