diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/z_array.c | 688 |
1 files changed, 0 insertions, 688 deletions
diff --git a/src/z_array.c b/src/z_array.c deleted file mode 100644 index efd22fd..0000000 --- a/src/z_array.c +++ /dev/null @@ -1,688 +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. */ - -/* sampling */ - -#include "m_pd.h" - -/* ------------------------- table16 -------------------------- */ -/* a 16bit table */ -static t_class *table16_class; -typedef struct _table16 { - t_object x_obj; - - t_symbol *x_tablename; - long x_size; - short *x_table; // hold the data - - int x_usedindsp; -} t_table16; - -static void *table16_new(t_symbol *s, t_float f){ - t_table16 *x = (t_table16*)pd_new(table16_class); - int i=f; - if(i<1)i=1; - x->x_tablename=s; - x->x_size=i; - x->x_table=getbytes(x->x_size*sizeof(short)); - x->x_usedindsp=0; - pd_bind(&x->x_obj.ob_pd, x->x_tablename); - return(x); -} - -static void table16_free(t_table16 *x){ - if(x->x_table)freebytes(x->x_table, x->x_size*sizeof(short)); - pd_unbind(&x->x_obj.ob_pd, x->x_tablename); -} - -static int table16_getarray16(t_table16*x, int*size,short**vec){ - *size=x->x_size; - *vec =x->x_table; - return 1; -} -static void table16_usedindsp(t_table16*x){ - x->x_usedindsp=1; -} - -static void table16_setup(void){ - table16_class = class_new(gensym("table16"), - (t_newmethod)table16_new, (t_method)table16_free, - sizeof(t_table16), 0, A_DEFSYM, A_DEFFLOAT, 0); -} - - -/* ------------------------- 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; - short *fp = x->x_vec + phase; - if (nxfer > n) nxfer = n; - phase += nxfer; - while (nxfer--) - { - float f = *in++; - if (PD_BADFLOAT(f)) - f = 0; - *fp++ = f; - } - 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) -{} - -static 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; - short *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, &s_signal); - x->x_bangout = outlet_new(&x->x_obj, &s_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]); - short *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++; - 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) -{} - -static 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); -} - -/******************** tab16read~ ***********************/ - -static t_class *tab16read_tilde_class; - -typedef struct _tab16read_tilde -{ - t_object x_obj; - int x_npoints; - short *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; - short *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]; - } - 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) -{ -} - -static 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; - short *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; - short *buf = x->x_vec; - short *fp; - int i; - - maxindex = x->x_npoints - 3; - - if (!buf) goto zero; - -#if 0 /* test for spam -- I'm not ready to deal with this */ - for (i = 0, xmax = 0, xmin = maxindex, fp = in1; i < n; i++, fp++) - { - float f = *in1; - if (f < xmin) xmin = f; - else if (f > xmax) xmax = f; - } - if (xmax < xmin + x->c_maxextent) xmax = xmin + x->c_maxextent; - for (i = 0, splitlo = xmin+ x->c_maxextent, splithi = xmax - x->c_maxextent, - fp = in1; i < n; i++, fp++) - { - float f = *in1; - if (f > splitlo && f < splithi) goto zero; - } -#endif - - 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]; - b = fp[0]; - c = fp[1]; - d = fp[2]; - /* if (!i && !(count++ & 1023)) - post("fp = %lx, shit = %lx, b = %f", fp, buf->b_shit, b); */ - 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); - -} - -static void tab16read4_tilde_free(t_tab16read4_tilde *x) -{ -} - -static void tab16read4_tilde_setup(void) -{ - tab16read4_tilde_class = class_new(gensym("tab16read4~"), - (t_newmethod)tab16read4_tilde_new, (t_method)tab16read4_tilde_free, - 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); -} -/* ---------- tab16read: control, non-interpolating ------------------------ */ - -static t_class *tab16read_class; - -typedef struct _tab16read -{ - t_object x_obj; - t_symbol *x_arrayname; -} t_tab16read; - -static void tab16read_float(t_tab16read *x, t_float f) -{ - t_table16 *a; - int npoints; - short *vec; - - if (!(a = (t_table16 *)pd_findbyclass(x->x_arrayname, table16_class))) - error("%s: no such array", x->x_arrayname->s_name); - else if (!table16_getarray16(a, &npoints, &vec)) - error("%s: bad template for tab16read", x->x_arrayname->s_name); - else - { - int n = f; - if (n < 0) n = 0; - else if (n >= npoints) n = npoints - 1; - outlet_float(x->x_obj.ob_outlet, (npoints ? vec[n] : 0)); - } -} - -static void tab16read_set(t_tab16read *x, t_symbol *s) -{ - x->x_arrayname = s; -} - -static void *tab16read_new(t_symbol *s) -{ - t_tab16read *x = (t_tab16read *)pd_new(tab16read_class); - x->x_arrayname = s; - outlet_new(&x->x_obj, &s_float); - return (x); -} - -static void tab16read_setup(void) -{ - tab16read_class = class_new(gensym("tab16read"), (t_newmethod)tab16read_new, - 0, sizeof(t_tab16read), 0, A_DEFSYM, 0); - class_addfloat(tab16read_class, (t_method)tab16read_float); - class_addmethod(tab16read_class, (t_method)tab16read_set, gensym("set"), - A_SYMBOL, 0); -} - -/* ---------- tab16read4: control, non-interpolating ------------------------ */ - -static t_class *tab16read4_class; - -typedef struct _tab16read4 -{ - t_object x_obj; - t_symbol *x_arrayname; -} t_tab16read4; - -static void tab16read4_float(t_tab16read4 *x, t_float f) -{ - t_table16 *a; - int npoints; - short *vec; - - if (!(a = (t_table16 *)pd_findbyclass(x->x_arrayname, table16_class))) - error("%s: no such array", x->x_arrayname->s_name); - else if (!table16_getarray16(a, &npoints, &vec)) - error("%s: bad template for tab16read4", x->x_arrayname->s_name); - else if (npoints < 4) - outlet_float(x->x_obj.ob_outlet, 0); - else if (f <= 1) - outlet_float(x->x_obj.ob_outlet, vec[1]); - else if (f >= npoints - 2) - outlet_float(x->x_obj.ob_outlet, vec[npoints - 2]); - else - { - int n = f; - float a, b, c, d, cminusb, frac; - short *fp; - if (n >= npoints - 2) - n = npoints - 3; - fp = vec + n; - frac = f - n; - a = fp[-1]; - b = fp[0]; - c = fp[1]; - d = fp[2]; - cminusb = c-b; - outlet_float(x->x_obj.ob_outlet, b + frac * ( - cminusb - 0.5f * (frac-1.) * ( - (a - d + 3.0f * cminusb) * frac + (b - a - cminusb)))); - } -} - -static void tab16read4_set(t_tab16read4 *x, t_symbol *s) -{ - x->x_arrayname = s; -} - -static void *tab16read4_new(t_symbol *s) -{ - t_tab16read4 *x = (t_tab16read4 *)pd_new(tab16read4_class); - x->x_arrayname = s; - outlet_new(&x->x_obj, &s_float); - return (x); -} - -static void tab16read4_setup(void) -{ - tab16read4_class = class_new(gensym("tab16read4"), (t_newmethod)tab16read4_new, - 0, sizeof(t_tab16read4), 0, A_DEFSYM, 0); - class_addfloat(tab16read4_class, (t_method)tab16read4_float); - class_addmethod(tab16read4_class, (t_method)tab16read4_set, gensym("set"), - A_SYMBOL, 0); -} - -/* ------------------ tab16write: control ------------------------ */ - -static t_class *tab16write_class; - -typedef struct _tab16write -{ - t_object x_obj; - t_symbol *x_arrayname; - float x_ft1; - int x_set; -} t_tab16write; - -static void tab16write_float(t_tab16write *x, t_float f) -{ - int vecsize; - t_table16 *a; - short *vec; - - if (!(a = (t_table16 *)pd_findbyclass(x->x_arrayname, table16_class))) - error("%s: no such array", x->x_arrayname->s_name); - else if (!table16_getarray16(a, &vecsize, &vec)) - error("%s: bad template for tab16write", x->x_arrayname->s_name); - else - { - int n = x->x_ft1; - if (n < 0) n = 0; - else if (n >= vecsize) n = vecsize-1; - vec[n] = f; - } -} - -static void tab16write_set(t_tab16write *x, t_symbol *s) -{ - x->x_arrayname = s; -} - -static void tab16write_free(t_tab16write *x) -{} - -static void *tab16write_new(t_symbol *s) -{ - t_tab16write *x = (t_tab16write *)pd_new(tab16write_class); - x->x_ft1 = 0; - x->x_arrayname = s; - floatinlet_new(&x->x_obj, &x->x_ft1); - return (x); -} - -void tab16write_setup(void) -{ - tab16write_class = class_new(gensym("tab16write"), (t_newmethod)tab16write_new, - (t_method)tab16write_free, sizeof(t_tab16write), 0, A_DEFSYM, 0); - class_addfloat(tab16write_class, (t_method)tab16write_float); - class_addmethod(tab16write_class, (t_method)tab16write_set, gensym("set"), A_SYMBOL, 0); -} - -/* ------------------------ global setup routine ------------------------- */ - -void z_array_setup(void) -{ - tab16write_tilde_setup(); - tab16play_tilde_setup(); - tab16read_tilde_setup(); - tab16read4_tilde_setup(); - tab16read_setup(); - tab16read4_setup(); - tab16write_setup(); - table16_setup(); -} - |