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authormusil <tmusil@users.sourceforge.net>2006-12-09 02:00:52 +0000
committermusil <tmusil@users.sourceforge.net>2006-12-09 02:00:52 +0000
commitd6b088044e161a27d49df537bbb6d998a8d0e50d (patch)
tree1a1b3a30e994767f4ef97b90194782258f2baa8a /src/iemlib1
parent32dc0c0deb13ce57f099f616ddc427296970d8a5 (diff)
// class_sethelpsymbol();
changed help-*.pd to *-help.pd chanded file structure to standard 1st step remove old svn path=/trunk/externals/iemlib/; revision=6756
Diffstat (limited to 'src/iemlib1')
-rw-r--r--src/iemlib1/FIR~.c169
-rw-r--r--src/iemlib1/biquad_freq_resp.c86
-rw-r--r--src/iemlib1/db2v.c38
-rw-r--r--src/iemlib1/f2note.c183
-rw-r--r--src/iemlib1/filter~.c813
-rw-r--r--src/iemlib1/forpp.c185
-rw-r--r--src/iemlib1/gate.c78
-rw-r--r--src/iemlib1/hml_shelf~.c548
-rw-r--r--src/iemlib1/iem_cot4~.c168
-rw-r--r--src/iemlib1/iem_delay~.c201
-rw-r--r--src/iemlib1/iem_pow4~.c78
-rw-r--r--src/iemlib1/iem_sqrt4~.c108
-rw-r--r--src/iemlib1/iemlib.h108
-rw-r--r--src/iemlib1/iemlib1.c78
-rw-r--r--src/iemlib1/iemlib1.dsp85
-rw-r--r--src/iemlib1/iemlib1.dsw29
-rw-r--r--src/iemlib1/lp1_t~.c210
-rw-r--r--src/iemlib1/makefile4
-rw-r--r--src/iemlib1/makefile.darwin73
-rw-r--r--src/iemlib1/makefile_linux69
-rw-r--r--src/iemlib1/makefile_win55
-rw-r--r--src/iemlib1/mov_avrg_kern~.c135
-rw-r--r--src/iemlib1/para_bp2~.c418
-rw-r--r--src/iemlib1/peakenv~.c95
-rw-r--r--src/iemlib1/prvu~.c274
-rw-r--r--src/iemlib1/pvu~.c198
-rw-r--r--src/iemlib1/rvu~.c178
-rw-r--r--src/iemlib1/sin_phase~.c121
-rw-r--r--src/iemlib1/soundfile_info.c256
-rw-r--r--src/iemlib1/split.c47
-rw-r--r--src/iemlib1/v2db.c39
-rw-r--r--src/iemlib1/vcf_filter~.c327
32 files changed, 0 insertions, 5454 deletions
diff --git a/src/iemlib1/FIR~.c b/src/iemlib1/FIR~.c
deleted file mode 100644
index 087190b..0000000
--- a/src/iemlib1/FIR~.c
+++ /dev/null
@@ -1,169 +0,0 @@
-/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
-* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
-
-iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
-
-
-#include "m_pd.h"
-#include "iemlib.h"
-
-
-/* ---------- FIR~ - FIR-filter with table-coef ----------- */
-
-typedef struct _FIR_tilde
-{
- t_object x_obj;
- t_float *x_coef_beg;
- t_float *x_history_beg;
- int x_rw_index;
- int x_fir_order;
- t_symbol *x_table_name;
- t_float x_msi;
-} t_FIR_tilde;
-
-t_class *FIR_tilde_class;
-
-static t_int *FIR_tilde_perform(t_int *w)
-{
- t_float *in = (t_float *)(w[1]);
- t_float *out = (t_float *)(w[2]);
- t_FIR_tilde *x = (t_FIR_tilde *)(w[3]);
- int n = (t_int)(w[4]);
- int rw_index = x->x_rw_index;
- int i, j;
- int order = x->x_fir_order;
- int ord16 = order / 16;
- t_float sum=0.0f;
- t_float *coef = x->x_coef_beg;
- t_float *write_hist1=x->x_history_beg;
- t_float *write_hist2;
- t_float *read_hist;
- t_float *coef_vec;
- t_float *hist_vec;
-
- if(!coef)
- goto FIR_tildeperfzero;
-
- write_hist1 = x->x_history_beg;
- write_hist2 = write_hist1 + order;
- read_hist = write_hist2;
-
- for(i=0; i<n; i++)
- {
- write_hist1[rw_index] = in[i];
- write_hist2[rw_index] = in[i];
-
- sum = 0.0f;
- coef_vec = coef;
- hist_vec = &read_hist[rw_index];
- for(j=0; j<ord16; j++)
- {
- sum += coef_vec[0] * hist_vec[0];
- sum += coef_vec[1] * hist_vec[-1];
- sum += coef_vec[2] * hist_vec[-2];
- sum += coef_vec[3] * hist_vec[-3];
- sum += coef_vec[4] * hist_vec[-4];
- sum += coef_vec[5] * hist_vec[-5];
- sum += coef_vec[6] * hist_vec[-6];
- sum += coef_vec[7] * hist_vec[-7];
- sum += coef_vec[8] * hist_vec[-8];
- sum += coef_vec[9] * hist_vec[-9];
- sum += coef_vec[10] * hist_vec[-10];
- sum += coef_vec[11] * hist_vec[-11];
- sum += coef_vec[12] * hist_vec[-12];
- sum += coef_vec[13] * hist_vec[-13];
- sum += coef_vec[14] * hist_vec[-14];
- sum += coef_vec[15] * hist_vec[-15];
- coef_vec += 16;
- hist_vec -= 16;
- }
- for(j=ord16*16; j<order; j++)
- {
- sum += coef[j] * read_hist[rw_index-j];
- }
- out[i] = sum;
-
- rw_index++;
- if(rw_index >= order)
- rw_index -= order;
- }
-
- x->x_rw_index = rw_index;
- return(w+5);
-
-FIR_tildeperfzero:
-
- while(n--)
- *out++ = 0.0f;
- return(w+5);
-}
-
-void FIR_tilde_set(t_FIR_tilde *x, t_symbol *table_name, t_floatarg forder)
-{
- t_garray *ga;
- int table_size;
- int order = (int)forder;
-
- x->x_table_name = table_name;
- if(!(ga = (t_garray *)pd_findbyclass(x->x_table_name, garray_class)))
- {
- if(*table_name->s_name)
- error("FIR~: %s: no such table~", x->x_table_name->s_name);
- x->x_coef_beg = 0;
- }
- else if(!garray_getfloatarray(ga, &table_size, &x->x_coef_beg))
- {
- error("%s: bad template for FIR~", x->x_table_name->s_name);
- x->x_coef_beg = 0;
- }
- else if(table_size < order)
- {
- error("FIR~: tablesize %d < order %d !!!!", table_size, order);
- x->x_coef_beg = 0;
- }
- else
- garray_usedindsp(ga);
- x->x_rw_index = 0;
- if(order > x->x_fir_order)/* resize */
- x->x_history_beg = (t_float *)resizebytes(x->x_history_beg, 2*x->x_fir_order*sizeof(t_float), 2*order*sizeof(float));
- x->x_fir_order = order;
-}
-
-static void FIR_tilde_dsp(t_FIR_tilde *x, t_signal **sp)
-{
- FIR_tilde_set(x, x->x_table_name, x->x_fir_order);
- dsp_add(FIR_tilde_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, sp[0]->s_n);
-}
-
-static void *FIR_tilde_new(t_symbol *ref, t_floatarg np)
-{
- t_FIR_tilde *x = (t_FIR_tilde *)pd_new(FIR_tilde_class);
-
- outlet_new(&x->x_obj, &s_signal);
- x->x_msi = 0;
- x->x_table_name = ref;
- x->x_coef_beg = 0;
- if((int)np < 1)
- np = 1.0;
- x->x_fir_order = (int)np;
- x->x_history_beg = (t_float *)getbytes((2*x->x_fir_order)*sizeof(t_float));
- x->x_rw_index = 0;
- return(x);
-}
-
-static void FIR_tilde_free(t_FIR_tilde *x)
-{
- if(x->x_history_beg)
- freebytes(x->x_history_beg, (2*x->x_fir_order)*sizeof(t_float));
-}
-
-void FIR_tilde_setup(void)
-{
- FIR_tilde_class = class_new(gensym("FIR~"), (t_newmethod)FIR_tilde_new,
- (t_method)FIR_tilde_free, sizeof(t_FIR_tilde), 0, A_DEFSYM, A_DEFFLOAT, 0);
- CLASS_MAINSIGNALIN(FIR_tilde_class, t_FIR_tilde, x_msi);
- class_addmethod(FIR_tilde_class, (t_method)FIR_tilde_dsp, gensym("dsp"), 0);
- class_addmethod(FIR_tilde_class, (t_method)FIR_tilde_set,
- gensym("set"), A_SYMBOL, A_FLOAT, 0);
- class_sethelpsymbol(FIR_tilde_class, gensym("iemhelp/help-FIR~"));
-}
diff --git a/src/iemlib1/biquad_freq_resp.c b/src/iemlib1/biquad_freq_resp.c
deleted file mode 100644
index bc1e99d..0000000
--- a/src/iemlib1/biquad_freq_resp.c
+++ /dev/null
@@ -1,86 +0,0 @@
-/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
-* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
-
-iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
-
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <math.h>
-
-/* ------------------------ biquad_freq_resp ------------------- */
-/* -- calculates the frequency responce of a biquad structure -- */
-
-typedef struct _biquad_freq_resp
-{
- t_object x_obj;
- t_float a0;
- t_float a1;
- t_float a2;
- t_float b1;
- t_float b2;
- t_outlet *x_out_re;
- t_outlet *x_out_im;
-} t_biquad_freq_resp;
-
-static t_class *biquad_freq_resp_class;
-
-static void biquad_freq_resp_float(t_biquad_freq_resp *x, t_floatarg f)
-{
- t_float re1, im1, re2, im2;
- t_float c, s, a;
-
- if(f < 0.0f)
- f = 0.0f;
- else if(f > 180.0f)
- f = 180.0;
- f *= 3.14159265f;
- f /= 180.0f;
-
- c = cos(f);
- s = sin(f);
-
- re1 = x->a0 + x->a1*c + x->a2*(c*c - s*s);
- im1 = x->a1*s + x->a2*2.0f*(s*c);
- re2 = 1.0f - x->b1*c - x->b2*(c*c - s*s);
- im2 = -x->b1*s - x->b2*2.0f*(s*c);
- a = re2*re2 + im2*im2;
- outlet_float(x->x_out_im, (re1*im2 - re2*im1)/a);/* because z^-1 = e^-jwt, negative sign */
- outlet_float(x->x_out_re, (re1*re2 + im1*im2)/a);
-
-}
-/* y/x = (a0 + a1*z-1 + a2*z-2)/(1 - b1*z-1 - b2*z-2);*/
-
-static void biquad_freq_resp_list(t_biquad_freq_resp *x, t_symbol *s, int argc, t_atom *argv)
-{
- if((argc == 5)&&IS_A_FLOAT(argv,4)&&IS_A_FLOAT(argv,3)&&IS_A_FLOAT(argv,2)&&IS_A_FLOAT(argv,1)&&IS_A_FLOAT(argv,0))
- {
- x->b1 = (float)atom_getfloatarg(0, argc, argv);
- x->b2 = (float)atom_getfloatarg(1, argc, argv);
- x->a0 = (float)atom_getfloatarg(2, argc, argv);
- x->a1 = (float)atom_getfloatarg(3, argc, argv);
- x->a2 = (float)atom_getfloatarg(4, argc, argv);
- }
-}
-
-static void *biquad_freq_resp_new(void)
-{
- t_biquad_freq_resp *x = (t_biquad_freq_resp *)pd_new(biquad_freq_resp_class);
- x->x_out_re = outlet_new(&x->x_obj, &s_float);
- x->x_out_im = outlet_new(&x->x_obj, &s_float);
- x->b1 = 0.0f;
- x->b2 = 0.0f;
- x->a0 = 0.0f;
- x->a1 = 0.0f;
- x->a2 = 0.0f;
- return (x);
-}
-
-void biquad_freq_resp_setup(void)
-{
- biquad_freq_resp_class = class_new(gensym("biquad_freq_resp"), (t_newmethod)biquad_freq_resp_new, 0,
- sizeof(t_biquad_freq_resp), 0, 0);
- class_addfloat(biquad_freq_resp_class, biquad_freq_resp_float);
- class_addlist(biquad_freq_resp_class, (t_method)biquad_freq_resp_list);
- class_sethelpsymbol(biquad_freq_resp_class, gensym("iemhelp/help-biquad_freq_resp"));
-}
diff --git a/src/iemlib1/db2v.c b/src/iemlib1/db2v.c
deleted file mode 100644
index a2b075e..0000000
--- a/src/iemlib1/db2v.c
+++ /dev/null
@@ -1,38 +0,0 @@
-/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
-* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
-
-iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
-
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <math.h>
-
-/* -------- db2v - a techn. dB to rms-value converter. --------- */
-
-static t_class *db2v_class;
-
-t_float db2v(t_float f)
-{
- return (f <= -199.9 ? 0 : exp(0.11512925465 * f));
-}
-
-static void db2v_float(t_object *x, t_floatarg f)
-{
- outlet_float(x->ob_outlet, db2v(f));
-}
-
-static void *db2v_new(void)
-{
- t_object *x = (t_object *)pd_new(db2v_class);
- outlet_new(x, &s_float);
- return (x);
-}
-
-void db2v_setup(void)
-{
- db2v_class = class_new(gensym("db2v"), db2v_new, 0,
- sizeof(t_object), 0, 0);
- class_addfloat(db2v_class, (t_method)db2v_float);
- class_sethelpsymbol(db2v_class, gensym("iemhelp/help-db2v"));
-}
diff --git a/src/iemlib1/f2note.c b/src/iemlib1/f2note.c
deleted file mode 100644
index 3625427..0000000
--- a/src/iemlib1/f2note.c
+++ /dev/null
@@ -1,183 +0,0 @@
-/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
-* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
-
-iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
-
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <math.h>
-
-/* ------------------------- f2note ---------------------- */
-/* ------ frequency to note plus cents converter --------- */
-
-typedef struct _f2note
-{
- t_object x_obj;
- void *x_outlet_midi;
- void *x_outlet_note;
- void *x_outlet_cent;
- int x_centomidi;
- t_float x_refhz;
- t_float x_refexp;
- t_float x_reflog;
- t_symbol *x_set;
-} t_f2note;
-
-static t_class *f2note_class;
-
-t_float f2note_mtof(t_f2note *x, t_float midi)
-{
- return(x->x_refexp * exp(0.057762265047 * midi));
-}
-
-t_float f2note_ftom(t_f2note *x, t_float freq)
-{
- return (freq > 0 ? 17.31234049 * log(x->x_reflog * freq) : -1500);
-}
-
-void f2note_calc_ref(t_f2note *x)
-{
- t_float ln2=log(2.0);
-
- x->x_refexp = x->x_refhz*exp(-5.75*ln2);
- x->x_reflog = 1.0/x->x_refexp;
-}
-
-static void f2note_make_note(char *str, int midi)
-{
- int j,k,l=0;
-
- j = midi / 12;
- k = midi % 12;
- if(k <= 5)
- {
- if(k <= 2)
- {
- if(k==0)
- str[l]='c';
- else if(k==1)
- {
- str[l++]='#';
- str[l]='c';
- }
- else
- str[l]='d';
- }
- else
- {
- if(k==3)
- {
- str[l++]='#';
- str[l]='d';
- }
- else if(k==4)
- str[l]='e';
- else
- str[l]='f';
- }
- }
- else
- {
- if(k <= 8)
- {
- if(k==6)
- {
- str[l++]='#';
- str[l]='f';
- }
- else if(k==7)
- str[l]='g';
- else
- {
- str[l++]='#';
- str[l]='g';
- }
- }
- else
- {
- if(k==9)
- str[l]='a';
- else if(k==10)
- {
- str[l++]='#';
- str[l]='a';
- }
- else
- str[l]='h';
- }
- }
-
- if(j < 4)
- {
- str[l] -= 'a';
- str[l] += 'A';
- }
- l++;
- if(j < 3)
- {
- str[l++] = '0' + (char)(3 - j);
- }
- else if(j > 4)
- {
- str[l++] = '0' + (char)(j - 4);
- }
- str[l] = 0;
-}
-
-static void f2note_bang(t_f2note *x)
-{
- int i,j;
- t_atom at;
- char s[4];
-
- i = (x->x_centomidi + 50)/100;
- j = x->x_centomidi - 100*i;
- outlet_float(x->x_outlet_cent, (t_float)j);
- f2note_make_note(s, i);
- SETSYMBOL(&at, gensym(s));
- outlet_anything(x->x_outlet_note, x->x_set, 1, &at);
- outlet_float(x->x_outlet_midi, 0.01f*(t_float)(x->x_centomidi));
-}
-
-static void f2note_float(t_f2note *x, t_floatarg freq)
-{
- x->x_centomidi = (int)(100.0f*f2note_ftom(x, freq) + 0.5f);
- f2note_bang(x);
-}
-
-void f2note_ref(t_f2note *x, t_floatarg ref)
-{
- x->x_refhz = ref;
- f2note_calc_ref(x);
-}
-
-static void *f2note_new(t_floatarg ref)
-{
- t_f2note *x = (t_f2note *)pd_new(f2note_class);
-
- if(ref == 0.0f)
- ref=440.0f;
- x->x_refhz = ref;
- x->x_centomidi = (int)(100.0f*ref + 0.499f);
- f2note_calc_ref(x);
- x->x_outlet_midi = outlet_new(&x->x_obj, &s_float);
- x->x_outlet_note = outlet_new(&x->x_obj, &s_list);
- x->x_outlet_cent = outlet_new(&x->x_obj, &s_float);
- x->x_set = gensym("set");
- return (x);
-}
-
-static void f2note_free(t_f2note *x)
-{
-}
-
-void f2note_setup(void)
-{
- f2note_class = class_new(gensym("f2note"), (t_newmethod)f2note_new, (t_method)f2note_free,
- sizeof(t_f2note), 0, A_DEFFLOAT, 0);
- class_addbang(f2note_class,f2note_bang);
- class_addfloat(f2note_class,f2note_float);
- class_addmethod(f2note_class, (t_method)f2note_ref, gensym("ref"), A_FLOAT, 0);
- class_sethelpsymbol(f2note_class, gensym("iemhelp/help-f2note"));
-}
diff --git a/src/iemlib1/filter~.c b/src/iemlib1/filter~.c
deleted file mode 100644
index f229d65..0000000
--- a/src/iemlib1/filter~.c
+++ /dev/null
@@ -1,813 +0,0 @@
-/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
-* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
-
-iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
-
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <math.h>
-
-
-/* ---------- filter~ - slow dynamic filter-kernel 1. and 2. order ----------- */
-
-typedef struct _filter_tilde
-{
- t_object x_obj;
- t_float wn1;
- t_float wn2;
- t_float a0;
- t_float a1;
- t_float a2;
- t_float b1;
- t_float b2;
- t_float sr;
- t_float cur_f;
- t_float cur_l;
- t_float cur_a;
- t_float cur_b;
- t_float delta_f;
- t_float delta_a;
- t_float delta_b;
- t_float end_f;
- t_float end_a;
- t_float end_b;
- t_float ticks_per_interpol_time;
- t_float rcp_ticks;
- t_float interpol_time;
- int ticks;
- int counter_f;
- int counter_a;
- int counter_b;
- int inv;
- int hp;
- int first_order;
- int event_mask;
- void (*calc)();
- void *x_debug_outlet;
- t_atom x_at[5];
- t_float x_msi;
-} t_filter_tilde;
-
-t_class *filter_tilde_class;
-
-static void filter_tilde_snafu(t_filter_tilde *x)
-{
-
-}
-
-static void filter_tilde_lp1(t_filter_tilde *x)
-{
- t_float al;
-
- al = x->cur_a * x->cur_l;
- x->a0 = 1.0f/(1.0f + al);
- x->a1 = x->a0;
- x->b1 = (al - 1.0f)*x->a0;
-}
-
-static void filter_tilde_lp2(t_filter_tilde *x)
-{
- t_float l, al, bl2, rcp;
-
- l = x->cur_l;
- al = l*x->cur_a;
- bl2 = l*l*x->cur_b + 1.0f;
- rcp = 1.0f/(al + bl2);
- x->a0 = rcp;
- x->a1 = 2.0f*rcp;
- x->a2 = x->a0;
- x->b1 = rcp*2.0f*(bl2 - 2.0f);
- x->b2 = rcp*(al - bl2);
-}
-
-static void filter_tilde_hp1(t_filter_tilde *x)
-{
- t_float al, rcp;
-
- al = x->cur_a * x->cur_l;
- rcp = 1.0f/(1.0f + al);
- x->a0 = rcp*al;
- x->a1 = -x->a0;
- x->b1 = rcp*(al - 1.0f);
-}
-
-static void filter_tilde_hp2(t_filter_tilde *x)
-{
- t_float l, al, bl2, rcp;
-
- l = x->cur_l;
- bl2 = l*l*x->cur_b + 1.0f;
- al = l*x->cur_a;
- rcp = 1.0f/(al + bl2);
- x->a0 = rcp*(bl2 - 1.0f);
- x->a1 = -2.0f*x->a0;
- x->a2 = x->a0;
- x->b1 = rcp*2.0f*(bl2 - 2.0f);
- x->b2 = rcp*(al - bl2);
-}
-
-static void filter_tilde_rp2(t_filter_tilde *x)
-{
- t_float l, al, l2, rcp;
-
- l = x->cur_l;
- l2 = l*l + 1.0f;
- al = l*x->cur_a;
- rcp = 1.0f/(al + l2);
- x->a0 = rcp*l;
- x->a2 = -x->a0;
- x->b1 = rcp*2.0f*(l2 - 2.0f);
- x->b2 = rcp*(al - l2);
-}
-
-static void filter_tilde_bp2(t_filter_tilde *x)
-{
- t_float l, al, l2, rcp;
-
- l = x->cur_l;
- l2 = l*l + 1.0f;
- al = l*x->cur_a;
- rcp = 1.0f/(al + l2);
- x->a0 = rcp*al;
- x->a2 = -x->a0;
- x->b1 = rcp*2.0f*(l2 - 2.0f);
- x->b2 = rcp*(al - l2);
-}
-
-static void filter_tilde_bs2(t_filter_tilde *x)
-{
- t_float l, al, l2, rcp;
-
- l = x->cur_l;
- l2 = l*l + 1.0f;
- al = l*x->cur_a;
- rcp = 1.0f/(al + l2);
- x->a0 = rcp*l2;
- x->a1 = rcp*2.0f*(2.0f - l2);
- x->a2 = x->a0;
- x->b1 = -x->a1;
- x->b2 = rcp*(al - l2);
-}
-
-static void filter_tilde_rpw2(t_filter_tilde *x)
-{
- t_float l, al, l2, rcp;
-
- l = x->cur_l;
- l2 = l*l + 1.0f;
- al = l*x->cur_a/x->cur_f;
- rcp = 1.0f/(al + l2);
- x->a0 = rcp*l;
- x->a2 = -x->a0;
- x->b1 = rcp*2.0f*(l2 - 2.0f);
- x->b2 = rcp*(al - l2);
-}
-
-static void filter_tilde_bpw2(t_filter_tilde *x)
-{
- t_float l, al, l2, rcp;
-
- l = x->cur_l;
- l2 = l*l + 1.0f;
- al = l*x->cur_a/x->cur_f;
- rcp = 1.0f/(al + l2);
- x->a0 = rcp*al;
- x->a2 = -x->a0;
- x->b1 = rcp*2.0f*(l2 - 2.0f);
- x->b2 = rcp*(al - l2);
-}
-
-static void filter_tilde_bsw2(t_filter_tilde *x)
-{
- t_float l, al, l2, rcp;
-
- l = x->cur_l;
- l2 = l*l + 1.0f;
- al = l*x->cur_a/x->cur_f;
- rcp = 1.0f/(al + l2);
- x->a0 = rcp*l2;
- x->a1 = rcp*2.0f*(2.0f - l2);
- x->a2 = x->a0;
- x->b1 = -x->a1;
- x->b2 = rcp*(al - l2);
-}
-
-static void filter_tilde_ap1(t_filter_tilde *x)
-{
- t_float al;
-
- al = x->cur_a * x->cur_l;
- x->a0 = (1.0f - al)/(1.0f + al);
- x->b1 = -x->a0;
-}
-
-static void filter_tilde_ap2(t_filter_tilde *x)
-{
- t_float l, al, bl2, rcp;
-
- l = x->cur_l;
- bl2 = l*l*x->cur_b + 1.0f;
- al = l*x->cur_a;
- rcp = 1.0f/(al + bl2);
- x->a1 = rcp*2.0f*(2.0f - bl2);
- x->a0 = rcp*(bl2 - al);
- x->b1 = -x->a1;
- x->b2 = -x->a0;
-}
-
-/*static void filter_tilde_bp2(t_filter_tilde *x)
-{
-t_float l, al, l2, rcp;
-
- l = x->cur_l;
- l2 = l*l + 1.0;
- al = l*x->cur_a;
- rcp = 1.0f/(al + l2);
- x->a0 = rcp*al;
- x->a2 = -x->a0;
- x->b1 = rcp*2.0f*(2.0f - l2);
- x->b2 = rcp*(l2 - al);
-}*/
-
-static void filter_tilde_dsp_tick(t_filter_tilde *x)
-{
- if(x->event_mask)
- {
- if(x->counter_f)
- {
- float l, si, co;
-
- if(x->counter_f <= 1)
- {
- x->cur_f = x->end_f;
- x->counter_f = 0;
- x->event_mask &= 6;/*set event_mask_bit 0 = 0*/
- }
- else
- {
- x->counter_f--;
- x->cur_f *= x->delta_f;
- }
- l = x->cur_f * x->sr;
- if(l < 1.0e-20f)
- x->cur_l = 1.0e20f;
- else if(l > 1.57079632f)
- x->cur_l = 0.0f;
- else
- {
- si = sin(l);
- co = cos(l);
- x->cur_l = co/si;
- }
- }
- if(x->counter_a)
- {
- if(x->counter_a <= 1)
- {
- x->cur_a = x->end_a;
- x->counter_a = 0;
- x->event_mask &= 5;/*set event_mask_bit 1 = 0*/
- }
- else
- {
- x->counter_a--;
- x->cur_a *= x->delta_a;
- }
- }
- if(x->counter_b)
- {
- if(x->counter_b <= 1)
- {
- x->cur_b = x->end_b;
- x->counter_b = 0;
- x->event_mask &= 3;/*set event_mask_bit 2 = 0*/
- }
- else
- {
- x->counter_b--;
- x->cur_b *= x->delta_b;
- }
- }
-
- (*(x->calc))(x);
-
- /* stability check */
- if(x->first_order)
- {
- if(x->b1 <= -0.9999998f)
- x->b1 = -0.9999998f;
- else if(x->b1 >= 0.9999998f)
- x->b1 = 0.9999998f;
- }
- else
- {
- float discriminant = x->b1 * x->b1 + 4.0f * x->b2;
-
- if(x->b1 <= -1.9999996f)
- x->b1 = -1.9999996f;
- else if(x->b1 >= 1.9999996f)
- x->b1 = 1.9999996f;
-
- if(x->b2 <= -0.9999998f)
- x->b2 = -0.9999998f;
- else if(x->b2 >= 0.9999998f)
- x->b2 = 0.9999998f;
-
- if(discriminant >= 0.0f)
- {
- if(0.9999998f - x->b1 - x->b2 < 0.0f)
- x->b2 = 0.9999998f - x->b1;
- if(0.9999998f + x->b1 - x->b2 < 0.0f)
- x->b2 = 0.9999998f + x->b1;
- }
- }
- }
-}
-
-static t_int *filter_tilde_perform_2o(t_int *w)
-{
- t_float *in = (float *)(w[1]);
- t_float *out = (float *)(w[2]);
- t_filter_tilde *x = (t_filter_tilde *)(w[3]);
- int i, n = (t_int)(w[4]);
- t_float wn0, wn1=x->wn1, wn2=x->wn2;
- t_float a0=x->a0, a1=x->a1, a2=x->a2;
- t_float b1=x->b1, b2=x->b2;
-
- filter_tilde_dsp_tick(x);
- for(i=0; i<n; i++)
- {
- wn0 = *in++ + b1*wn1 + b2*wn2;
- *out++ = a0*wn0 + a1*wn1 + a2*wn2;
- wn2 = wn1;
- wn1 = wn0;
- }
- /* NAN protect */
- if(IEM_DENORMAL(wn2))
- wn2 = 0.0f;
- if(IEM_DENORMAL(wn1))
- wn1 = 0.0f;
-
- x->wn1 = wn1;
- x->wn2 = wn2;
- return(w+5);
-}
-/* yn0 = *out;
-xn0 = *in;
-*************
-yn0 = a0*xn0 + a1*xn1 + a2*xn2 + b1*yn1 + b2*yn2;
-yn2 = yn1;
-yn1 = yn0;
-xn2 = xn1;
-xn1 = xn0;
-*************************
-y/x = (a0 + a1*z-1 + a2*z-2)/(1 - b1*z-1 - b2*z-2);*/
-
-static t_int *filter_tilde_perf8_2o(t_int *w)
-{
- t_float *in = (float *)(w[1]);
- t_float *out = (float *)(w[2]);
- t_filter_tilde *x = (t_filter_tilde *)(w[3]);
- int i, n = (t_int)(w[4]);
- t_float wn[10];
- t_float a0=x->a0, a1=x->a1, a2=x->a2;
- t_float b1=x->b1, b2=x->b2;
-
- filter_tilde_dsp_tick(x);
- wn[0] = x->wn2;
- wn[1] = x->wn1;
- for(i=0; i<n; i+=8, in+=8, out+=8)
- {
- wn[2] = in[0] + b1*wn[1] + b2*wn[0];
- out[0] = a0*wn[2] + a1*wn[1] + a2*wn[0];
- wn[3] = in[1] + b1*wn[2] + b2*wn[1];
- out[1] = a0*wn[3] + a1*wn[2] + a2*wn[1];
- wn[4] = in[2] + b1*wn[3] + b2*wn[2];
- out[2] = a0*wn[4] + a1*wn[3] + a2*wn[2];
- wn[5] = in[3] + b1*wn[4] + b2*wn[3];
- out[3] = a0*wn[5] + a1*wn[4] + a2*wn[3];
- wn[6] = in[4] + b1*wn[5] + b2*wn[4];
- out[4] = a0*wn[6] + a1*wn[5] + a2*wn[4];
- wn[7] = in[5] + b1*wn[6] + b2*wn[5];
- out[5] = a0*wn[7] + a1*wn[6] + a2*wn[5];
- wn[8] = in[6] + b1*wn[7] + b2*wn[6];
- out[6] = a0*wn[8] + a1*wn[7] + a2*wn[6];
- wn[9] = in[7] + b1*wn[8] + b2*wn[7];
- out[7] = a0*wn[9] + a1*wn[8] + a2*wn[7];
- wn[0] = wn[8];
- wn[1] = wn[9];
- }
- /* NAN protect */
- if(IEM_DENORMAL(wn[0]))
- wn[0] = 0.0f;
- if(IEM_DENORMAL(wn[1]))
- wn[1] = 0.0f;
-
- x->wn1 = wn[1];
- x->wn2 = wn[0];
- return(w+5);
-}
-
-static t_int *filter_tilde_perform_1o(t_int *w)
-{
- t_float *in = (float *)(w[1]);
- t_float *out = (float *)(w[2]);
- t_filter_tilde *x = (t_filter_tilde *)(w[3]);
- int i, n = (t_int)(w[4]);
- t_float wn0, wn1=x->wn1;
- t_float a0=x->a0, a1=x->a1;
- t_float b1=x->b1;
-
- filter_tilde_dsp_tick(x);
- for(i=0; i<n; i++)
- {
- wn0 = *in++ + b1*wn1;
- *out++ = a0*wn0 + a1*wn1;
- wn1 = wn0;
- }
- /* NAN protect */
- if(IEM_DENORMAL(wn1))
- wn1 = 0.0f;
-
- x->wn1 = wn1;
- return(w+5);
-}
-
-static t_int *filter_tilde_perf8_1o(t_int *w)
-{
- t_float *in = (float *)(w[1]);
- t_float *out = (float *)(w[2]);
- t_filter_tilde *x = (t_filter_tilde *)(w[3]);
- int i, n = (t_int)(w[4]);
- t_float wn[9];
- t_float a0=x->a0, a1=x->a1;
- t_float b1=x->b1;
-
- filter_tilde_dsp_tick(x);
- wn[0] = x->wn1;
- for(i=0; i<n; i+=8, in+=8, out+=8)
- {
- wn[1] = in[0] + b1*wn[0];
- out[0] = a0*wn[1] + a1*wn[0];
- wn[2] = in[1] + b1*wn[1];
- out[1] = a0*wn[2] + a1*wn[1];
- wn[3] = in[2] + b1*wn[2];
- out[2] = a0*wn[3] + a1*wn[2];
- wn[4] = in[3] + b1*wn[3];
- out[3] = a0*wn[4] + a1*wn[3];
- wn[5] = in[4] + b1*wn[4];
- out[4] = a0*wn[5] + a1*wn[4];
- wn[6] = in[5] + b1*wn[5];
- out[5] = a0*wn[6] + a1*wn[5];
- wn[7] = in[6] + b1*wn[6];
- out[6] = a0*wn[7] + a1*wn[6];
- wn[8] = in[7] + b1*wn[7];
- out[7] = a0*wn[8] + a1*wn[7];
- wn[0] = wn[8];
- }
- /* NAN protect */
- if(IEM_DENORMAL(wn[0]))
- wn[0] = 0.0f;
-
- x->wn1 = wn[0];
- return(w+5);
-}
-
-static void filter_tilde_ft4(t_filter_tilde *x, t_floatarg t)
-{
- int i = (int)((x->ticks_per_interpol_time)*t+0.49999f);
-
- x->interpol_time = t;
- if(i <= 0)
- {
- x->ticks = 1;
- x->rcp_ticks = 1.0;
- }
- else
- {
- x->ticks = i;
- x->rcp_ticks = 1.0 / (t_float)i;
- }
-}
-
-static void filter_tilde_ft3(t_filter_tilde *x, t_floatarg b)
-{
- if(b <= 0.0f)
- b = 0.000001f;
- if(x->hp)
- b = 1.0 / b;
- if(b != x->cur_b)
- {
- x->end_b = b;
- x->counter_b = x->ticks;
- x->delta_b = exp(log(b/x->cur_b)*x->rcp_ticks);
- x->event_mask |= 4;/*set event_mask_bit 2 = 1*/
- }
-}
-
-static void filter_tilde_ft2(t_filter_tilde *x, t_floatarg a)
-{
- if(a <= 0.0f)
- a = 0.000001f;
- if(x->inv)
- a = 1.0f / a;
- if(x->hp)
- a /= x->cur_b;
- if(a != x->cur_a)
- {
- x->end_a = a;
- x->counter_a = x->ticks;
- x->delta_a = exp(log(a/x->cur_a)*x->rcp_ticks);
- x->event_mask |= 2;/*set event_mask_bit 1 = 1*/
- }
-}
-
-static void filter_tilde_ft1(t_filter_tilde *x, t_floatarg f)
-{
- if(f <= 0.0f)
- f = 0.000001f;
- if(f != x->cur_f)
- {
- x->end_f = f;
- x->counter_f = x->ticks;
- x->delta_f = exp(log(f/x->cur_f)*x->rcp_ticks);
- x->event_mask |= 1;/*set event_mask_bit 0 = 1*/
- }
-}
-
-static void filter_tilde_print(t_filter_tilde *x)
-{
- // post("fb1 = %g, fb2 = %g, ff1 = %g, ff2 = %g, ff3 = %g", x->b1, x->b2, x->a0, x->a1, x->a2);
- x->x_at[0].a_w.w_float = x->b1;
- x->x_at[1].a_w.w_float = x->b2;
- x->x_at[2].a_w.w_float = x->a0;
- x->x_at[3].a_w.w_float = x->a1;
- x->x_at[4].a_w.w_float = x->a2;
- outlet_list(x->x_debug_outlet, &s_list, 5, x->x_at);
-}
-
-static void filter_tilde_dsp(t_filter_tilde *x, t_signal **sp)
-{
- t_float si, co, f;
- int i, n=(int)sp[0]->s_n;
-
- x->sr = 3.14159265358979323846f / (t_float)(sp[0]->s_sr);
- x->ticks_per_interpol_time = 0.001f * (t_float)(sp[0]->s_sr) / (t_float)n;
- i = (int)((x->ticks_per_interpol_time)*(x->interpol_time)+0.49999f);
- if(i <= 0)
- {
- x->ticks = 1;
- x->rcp_ticks = 1.0f;
- }
- else
- {
- x->ticks = i;
- x->rcp_ticks = 1.0f / (t_float)i;
- }
- f = x->cur_f * x->sr;
- if(f < 1.0e-20f)
- x->cur_l = 1.0e20f;
- else if(f > 1.57079632f)
- x->cur_l = 0.0f;
- else
- {
- si = sin(f);
- co = cos(f);
- x->cur_l = co/si;
- }
- if(x->first_order)
- {
- if(n&7)
- dsp_add(filter_tilde_perform_1o, 4, sp[0]->s_vec, sp[1]->s_vec, x, n);
- else
- dsp_add(filter_tilde_perf8_1o, 4, sp[0]->s_vec, sp[1]->s_vec, x, n);
- }
- else
- {
- if(n&7)
- dsp_add(filter_tilde_perform_2o, 4, sp[0]->s_vec, sp[1]->s_vec, x, n);
- else
- dsp_add(filter_tilde_perf8_2o, 4, sp[0]->s_vec, sp[1]->s_vec, x, n);
- }
-}
-
-static void *filter_tilde_new(t_symbol *s, int argc, t_atom *argv)
-{
- t_filter_tilde *x = (t_filter_tilde *)pd_new(filter_tilde_class);
- int i;
- t_float si, co, f=0.0f, a=0.0f, b=0.0f, interpol=0.0f;
- t_symbol *filt_typ=gensym("");
-
- inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1"));
- inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft2"));
- inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft3"));
- inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft4"));
- outlet_new(&x->x_obj, &s_signal);
- x->x_debug_outlet = outlet_new(&x->x_obj, &s_list);
- x->x_msi = 0.0f;
-
- x->x_at[0].a_type = A_FLOAT;
- x->x_at[1].a_type = A_FLOAT;
- x->x_at[2].a_type = A_FLOAT;
- x->x_at[3].a_type = A_FLOAT;
- x->x_at[4].a_type = A_FLOAT;
-
- x->event_mask = 1;
- x->counter_f = 1;
- x->counter_a = 0;
- x->counter_b = 0;
- x->delta_f = 0.0f;
- x->delta_a = 0.0f;
- x->delta_b = 0.0f;
- x->interpol_time = 0.0f;
- x->wn1 = 0.0f;
- x->wn2 = 0.0f;
- x->a0 = 0.0f;
- x->a1 = 0.0f;
- x->a2 = 0.0f;
- x->b1 = 0.0f;
- x->b2 = 0.0f;
- x->sr = 3.14159265358979323846f / 44100.0f;
- x->calc = filter_tilde_snafu;
- x->first_order = 0;
- if((argc == 5)&&IS_A_FLOAT(argv,4)&&IS_A_FLOAT(argv,3)&&IS_A_FLOAT(argv,2)&&IS_A_FLOAT(argv,1)&&IS_A_SYMBOL(argv,0))
- {
- filt_typ = atom_getsymbolarg(0, argc, argv);
- f = (t_float)atom_getfloatarg(1, argc, argv);
- a = (t_float)atom_getfloatarg(2, argc, argv);
- b = (t_float)atom_getfloatarg(3, argc, argv);
- interpol = (t_float)atom_getfloatarg(4, argc, argv);
- }
- x->cur_f = f;
- f *= x->sr;
- if(f < 1.0e-20f)
- x->cur_l = 1.0e20f;
- else if(f > 1.57079632f)
- x->cur_l = 0.0f;
- else
- {
- si = sin(f);
- co = cos(f);
- x->cur_l = co/si;
- }
- if(a <= 0.0f)
- a = 0.000001f;
- if(b <= 0.0f)
- b = 0.000001f;
- x->cur_b = b;
-
- if(interpol <= 0.0f)
- interpol = 0.0f;
- x->interpol_time = interpol;
- x->ticks_per_interpol_time = 0.001f * 44100.0f / 64.0f;
- i = (int)((x->ticks_per_interpol_time)*(x->interpol_time)+0.49999f);
- if(i <= 0)
- {
- x->ticks = 1;
- x->rcp_ticks = 1.0f;
- }
- else
- {
- x->ticks = i;
- x->rcp_ticks = 1.0f / (t_float)i;
- }
-
- x->calc = filter_tilde_snafu;
-
- x->cur_a = 1.0f/a; /*a was Q*/
- x->inv = 1;
- x->hp = 0;
-
- if(filt_typ->s_name)
- {
- if(filt_typ == gensym("ap1"))
- {
- x->calc = filter_tilde_ap1;
- x->a1 = 1.0f;
- x->first_order = 1;
- }
- else if(filt_typ == gensym("ap2"))
- {
- x->calc = filter_tilde_ap2;
- x->a2 = 1.0f;
- }
- else if(filt_typ == gensym("ap1c"))
- {
- x->calc = filter_tilde_ap1;
- x->a1 = 1.0f;
- x->inv = 0;
- x->cur_a = a; /*a was damping*/
- x->first_order = 1;
- }
- else if(filt_typ == gensym("ap2c"))
- {
- x->calc = filter_tilde_ap2;
- x->a2 = 1.0f;
- x->inv = 0;
- x->cur_a = a; /*a was damping*/
- }
- else if(filt_typ == gensym("bpq2"))
- {
- x->calc = filter_tilde_bp2;
- }
- else if(filt_typ == gensym("rbpq2"))
- {
- x->calc = filter_tilde_rp2;
- }
- else if(filt_typ == gensym("bsq2"))
- {
- x->calc = filter_tilde_bs2;
- }
- else if(filt_typ == gensym("bpw2"))
- {
- x->calc = filter_tilde_bpw2;
- x->inv = 0;
- x->cur_a = a; /*a was bw*/
- }
- else if(filt_typ == gensym("rbpw2"))
- {
- x->calc = filter_tilde_rpw2;
- x->inv = 0;
- x->cur_a = a; /*a was bw*/
- }
- else if(filt_typ == gensym("bsw2"))
- {
- x->calc = filter_tilde_bsw2;
- x->inv = 0;
- x->cur_a = a; /*a was bw*/
- }
- else if(filt_typ == gensym("hp1"))
- {
- x->calc = filter_tilde_hp1;
- x->first_order = 1;
- }
- else if(filt_typ == gensym("hp2"))
- {
- x->calc = filter_tilde_hp2;
- }
- else if(filt_typ == gensym("lp1"))
- {
- x->calc = filter_tilde_lp1;
- x->first_order = 1;
- }
- else if(filt_typ == gensym("lp2"))
- {
- x->calc = filter_tilde_lp2;
- }
- else if(filt_typ == gensym("hp1c"))
- {
- x->calc = filter_tilde_hp1;
- x->cur_a = 1.0f / a;
- x->first_order = 1;
- }
- else if(filt_typ == gensym("hp2c"))
- {
- x->calc = filter_tilde_hp2;
- x->inv = 0;
- x->cur_a = a / b;
- x->cur_b = 1.0f / b;
- x->hp = 1;
- }
- else if(filt_typ == gensym("lp1c"))
- {
- x->calc = filter_tilde_lp1;
- x->inv = 0;
- x->cur_a = a; /*a was damping*/
- x->first_order = 1;
- }
- else if(filt_typ == gensym("lp2c"))
- {
- x->calc = filter_tilde_lp2;
- x->inv = 0;
- x->cur_a = a; /*a was damping*/
- }
- else
- {
- post("filter~-Error: 1. initial-arguments: <sym> kind: \
-lp1, lp2, hp1, hp2, \
-lp1c, lp2c, hp1c, hp2c, \
-ap1, ap2, ap1c, ap2c, \
-bpq2, rbpq2, bsq2, \
-bpw2, rbpw2, bsw2!");
- }
- x->end_f = x->cur_f;
- x->end_a = x->cur_a;
- x->end_b = x->cur_b;
- }
- return (x);
-}
-
-void filter_tilde_setup(void)
-{
- filter_tilde_class = class_new(gensym("filter~"), (t_newmethod)filter_tilde_new,
- 0, sizeof(t_filter_tilde), 0, A_GIMME, 0);
- CLASS_MAINSIGNALIN(filter_tilde_class, t_filter_tilde, x_msi);
- class_addmethod(filter_tilde_class, (t_method)filter_tilde_dsp, gensym("dsp"), 0);
- class_addmethod(filter_tilde_class, (t_method)filter_tilde_ft1, gensym("ft1"), A_FLOAT, 0);
- class_addmethod(filter_tilde_class, (t_method)filter_tilde_ft2, gensym("ft2"), A_FLOAT, 0);
- class_addmethod(filter_tilde_class, (t_method)filter_tilde_ft3, gensym("ft3"), A_FLOAT, 0);
- class_addmethod(filter_tilde_class, (t_method)filter_tilde_ft4, gensym("ft4"), A_FLOAT, 0);
- class_addmethod(filter_tilde_class, (t_method)filter_tilde_print, gensym("print"), 0);
- class_sethelpsymbol(filter_tilde_class, gensym("iemhelp/help-filter~"));
-}
diff --git a/src/iemlib1/forpp.c b/src/iemlib1/forpp.c
deleted file mode 100644
index bbee77a..0000000
--- a/src/iemlib1/forpp.c
+++ /dev/null
@@ -1,185 +0,0 @@
-/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
-* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
-
-iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
-
-
-#include "m_pd.h"
-#include "iemlib.h"
-
-/* ----------------------------- for++ -------------------------------- */
-/* -- an internal timed counter (start-, stop-number and metro-time) -- */
-
-typedef struct _forpp
-{
- t_object x_obj;
- int x_beg;
- int x_end;
- t_float x_delay;
- int x_cur;
- int x_incr;
- void *x_out_end;
- void *x_clock;
- void *x_clock2;
-} t_forpp;
-
-static t_class *forpp_class;
-
-static void forpp_tick2(t_forpp *x)
-{
- outlet_bang(x->x_out_end);
- clock_unset(x->x_clock2);
-}
-
-static void forpp_tick(t_forpp *x)
-{
- outlet_float(x->x_obj.ob_outlet, x->x_cur);
- x->x_cur += x->x_incr;
- if(x->x_incr > 0)
- {
- if(x->x_cur <= x->x_end)
- clock_delay(x->x_clock, x->x_delay);
- else
- {
- clock_unset(x->x_clock);
- clock_delay(x->x_clock2, x->x_delay);
- }
- }
- else
- {
- if(x->x_cur >= x->x_end)
- clock_delay(x->x_clock, x->x_delay);
- else
- {
- clock_unset(x->x_clock);
- clock_delay(x->x_clock2, x->x_delay);
- }
- }
-}
-
-static void forpp_bang(t_forpp *x)
-{
- x->x_cur = x->x_beg;
- outlet_float(x->x_obj.ob_outlet, x->x_cur);
- x->x_cur += x->x_incr;
- if(x->x_incr > 0)
- {
- if(x->x_cur <= x->x_end)
- clock_delay(x->x_clock, x->x_delay);
- else
- {
- clock_unset(x->x_clock);
- clock_delay(x->x_clock2, x->x_delay);
- }
- }
- else
- {
- if(x->x_cur >= x->x_end)
- clock_delay(x->x_clock, x->x_delay);
- else
- {
- clock_unset(x->x_clock);
- clock_delay(x->x_clock2, x->x_delay);
- }
- }
-
-}
-
-static void forpp_start(t_forpp *x)
-{
- forpp_bang(x);
-}
-
-static void forpp_stop(t_forpp *x)
-{
- if(x->x_incr > 0)
- x->x_cur = x->x_end + 1;
- else
- x->x_cur = x->x_end - 1;
- clock_unset(x->x_clock);
- clock_unset(x->x_clock2);
-}
-
-static void forpp_float(t_forpp *x, t_floatarg beg)
-{
- x->x_beg = (int)beg;
- if(x->x_end < x->x_beg)
- x->x_incr = -1;
- else
- x->x_incr = 1;
-}
-
-static void forpp_ft1(t_forpp *x, t_floatarg end)
-{
- x->x_end = (int)end;
- if(x->x_end < x->x_beg)
- x->x_incr = -1;
- else
- x->x_incr = 1;
-}
-
-static void forpp_ft2(t_forpp *x, t_floatarg delay)
-{
- if(delay < 0.0)
- delay = 0.0;
- x->x_delay = delay;
-}
-
-static void forpp_list(t_forpp *x, t_symbol *s, int argc, t_atom *argv)
-{
- if(argc == 2)
- {
- forpp_float(x, atom_getfloatarg(0, argc, argv));
- forpp_ft1(x, atom_getfloatarg(1, argc, argv));
- }
- else if(argc == 3)
- {
- forpp_float(x, atom_getfloatarg(0, argc, argv));
- forpp_ft1(x, atom_getfloatarg(1, argc, argv));
- forpp_ft2(x, atom_getfloatarg(2, argc, argv));
- }
-}
-
-static void *forpp_new(t_floatarg beg, t_floatarg end, t_floatarg delay)
-{
- t_forpp *x = (t_forpp *)pd_new(forpp_class);
-
- inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1"));
- inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft2"));
- outlet_new(&x->x_obj, &s_float);
- x->x_out_end = outlet_new(&x->x_obj, &s_bang);
- x->x_clock = clock_new(x, (t_method)forpp_tick);
- x->x_clock2 = clock_new(x, (t_method)forpp_tick2);
- x->x_beg = (int)beg;
- x->x_end = (int)end;
- if(x->x_end < x->x_beg)
- x->x_incr = -1;
- else
- x->x_incr = 1;
- if(delay < 0.0)
- delay = 0.0;
- x->x_delay = delay;
- x->x_cur = x->x_beg;
- return(x);
-}
-
-static void forpp_ff(t_forpp *x)
-{
- clock_free(x->x_clock);
- clock_free(x->x_clock2);
-}
-
-void forpp_setup(void)
-{
- forpp_class = class_new(gensym("for++"), (t_newmethod)forpp_new,
- (t_method)forpp_ff, sizeof(t_forpp),
- 0, A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, 0);
- class_addbang(forpp_class, forpp_bang);
- class_addfloat(forpp_class, forpp_float);
- class_addlist(forpp_class, forpp_list);
- class_addmethod(forpp_class, (t_method)forpp_start, gensym("start"), 0);
- class_addmethod(forpp_class, (t_method)forpp_stop, gensym("stop"), 0);
- class_addmethod(forpp_class, (t_method)forpp_ft1, gensym("ft1"), A_FLOAT, 0);
- class_addmethod(forpp_class, (t_method)forpp_ft2, gensym("ft2"), A_FLOAT, 0);
- class_sethelpsymbol(forpp_class, gensym("iemhelp/help-for++"));
-}
diff --git a/src/iemlib1/gate.c b/src/iemlib1/gate.c
deleted file mode 100644
index c893e3e..0000000
--- a/src/iemlib1/gate.c
+++ /dev/null
@@ -1,78 +0,0 @@
-/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
-* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
-
-iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
-
-
-#include "m_pd.h"
-#include "iemlib.h"
-
-
-/* --------- gate ---------------------- */
-/* ----------- like spigot ------------ */
-
-typedef struct _gate
-{
- t_object x_obj;
- t_float x_state;
-} t_gate;
-
-static t_class *gate_class;
-
-static void gate_bang(t_gate *x)
-{
- if(x->x_state != 0)
- outlet_bang(x->x_obj.ob_outlet);
-}
-
-static void gate_pointer(t_gate *x, t_gpointer *gp)
-{
- if(x->x_state != 0)
- outlet_pointer(x->x_obj.ob_outlet, gp);
-}
-
-static void gate_float(t_gate *x, t_floatarg f)
-{
- if(x->x_state != 0)
- outlet_float(x->x_obj.ob_outlet, f);
-}
-
-static void gate_symbol(t_gate *x, t_symbol *s)
-{
- if(x->x_state != 0)
- outlet_symbol(x->x_obj.ob_outlet, s);
-}
-
-static void gate_list(t_gate *x, t_symbol *s, int argc, t_atom *argv)
-{
- if(x->x_state != 0)
- outlet_list(x->x_obj.ob_outlet, s, argc, argv);
-}
-
-static void gate_anything(t_gate *x, t_symbol *s, int argc, t_atom *argv)
-{
- if(x->x_state != 0)
- outlet_anything(x->x_obj.ob_outlet, s, argc, argv);
-}
-
-static void *gate_new(t_floatarg f)
-{
- t_gate *x = (t_gate *)pd_new(gate_class);
- floatinlet_new(&x->x_obj, &x->x_state);
- outlet_new(&x->x_obj, 0);
- x->x_state = (f==0.0f)?0.0f:1.0f;
- return (x);
-}
-
-void gate_setup(void)
-{
- gate_class = class_new(gensym("gate"), (t_newmethod)gate_new, 0,
- sizeof(t_gate), 0, A_DEFFLOAT, 0);
- class_addbang(gate_class, gate_bang);
- class_addpointer(gate_class, gate_pointer);
- class_addfloat(gate_class, gate_float);
- class_addsymbol(gate_class, gate_symbol);
- class_addlist(gate_class, gate_list);
- class_addanything(gate_class, gate_anything);
- class_sethelpsymbol(gate_class, gensym("iemhelp/help-gate"));
-}
diff --git a/src/iemlib1/hml_shelf~.c b/src/iemlib1/hml_shelf~.c
deleted file mode 100644
index 5072911..0000000
--- a/src/iemlib1/hml_shelf~.c
+++ /dev/null
@@ -1,548 +0,0 @@
-/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
-* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
-
-iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <math.h>
-
-/* ---------- hml_shelf~ - high-middle-low-shelving filter ----------- */
-
-typedef struct _hml_shelf_tilde
-{
- t_object x_obj;
- t_float wn1;
- t_float wn2;
- t_float a0;
- t_float a1;
- t_float a2;
- t_float b1;
- t_float b2;
- t_float sr;
- t_float cur_lf;
- t_float cur_hf;
- t_float cur_lg;
- t_float cur_mg;
- t_float cur_hg;
- t_float delta_lf;
- t_float delta_hf;
- t_float delta_lg;
- t_float delta_mg;
- t_float delta_hg;
- t_float end_lf;
- t_float end_hf;
- t_float end_lg;
- t_float end_mg;
- t_float end_hg;
- t_float ticks_per_interpol_time;
- t_float rcp_ticks;
- t_float interpol_time;
- int ticks;
- int counter_lf;
- int counter_hf;
- int counter_lg;
- int counter_mg;
- int counter_hg;
- int event_mask;
- void *x_debug_outlet;
- t_atom x_at[5];
- t_float x_msi;
-} t_hml_shelf_tilde;
-
-t_class *hml_shelf_tilde_class;
-
-static void hml_shelf_tilde_calc(t_hml_shelf_tilde *x)
-{
- t_float rf = x->cur_hf/x->cur_lf;
- t_float mf = x->cur_hf*x->cur_lf;
- t_float lg = x->cur_lg;
- t_float rcplg = 1.0f/lg;
- t_float mg = x->cur_mg;
- t_float rcpmg = 1.0f/mg;
- t_float hg = x->cur_hg;
- t_float rcphg = 1.0f/hg;
- t_float f = mf*x->sr;
- t_float l = cos(f)/sin(f);
- t_float k1 = rf*l;
- t_float k2 = l/rf;
- t_float k3 = l*l;
- t_float k4 = k3*hg;
- t_float k5 = k3*rcphg;
- t_float k6 = rcplg + k5;
- t_float k7 = rcpmg*k1 + k2*rcplg*rcphg*mg;
- t_float k8 = lg + k4;
- t_float k9 = mg*k1 + k2*lg*hg*rcpmg;
- t_float k10 = 1.0f/(k6 + k7);
-
- x->b2 = k10*(k7 - k6);
- x->b1 = k10*2.0f*(k5 - rcplg);
- x->a2 = k10*(k8 - k9);
- x->a1 = k10*2.0f*(lg - k4);
- x->a0 = k10*(k8 + k9);
-}
-
-/*
-high- & low- shelving-filter:
-L....sqrt(lowlevel);
-rL...rsqrt(lowlevel);
-M....sqrt(mediumlevel);
-rM...rsqrt(mediumlevel);
-H....sqrt(highlevel);
-rH...rsqrt(highlevel);
-V....sqrt(highfrequency/lowfrequency);
-P....j*2*pi*f/(2*pi*V*lowfrequency);
-
-Y/X = [M/(1/M)] * [(L/M + PV)/(M/L + PV)] * [(1 + HP/(VM))/(1 + MP/(VH))];
-Y/X = (L + P*(M*V + L*H/(V*M)) + P*P*H) / (rL + P*(rM*V + rL*rH/(V*rM)) + P*P*rH);
-
-hlshlv: lowlevel: ll; mediumlevel: lm; highlevel: hl; lowfrequency: fl; highfrequency: fh; samplerate: sr;
-
-V = sqrt(fh/fl);
-f = fl*V;
-L = sqrt(ll);
-rL = 1.0/L;
-M = sqrt(lm);
-rM = 1.0/M;
-H = sqrt(lh);
-rH = 1.0/H;
-
-l = cot(f*3.14159265358979323846/sr);
-k1 = V*l;
-k2 = l/V;
-l2 = l*l;
-l3 = l2*H;
-l4 = l2*rH;
-m1 = k2*L*H*rM;
-m2 = k2*rL*rH*M;
-n1 = rL + l4;
-n2 = rM*k1 + m2;
-p1 = L + l3;
-p2 = M*k1 + m1;
-a012 = 1.0/(n1 + n2);
-
-b2 = a012*(n2 - n1);
-b1 = a012*2.0*(l4 - rL);
-a2 = a012*(p1 - p2);
-a1 = a012*2.0*(L - l3);
-a0 = a012*(p1 + p2);
-
-rf = sqrt(fh/fl);
-mf = fl*rf;
-L = sqrt(ll);
-rL = 1.0/L;
-M = sqrt(lm);
-rM = 1.0/M;
-H = sqrt(lh);
-rH = 1.0/H;
-
-l = cot(fm*3.14159265358979323846/sr);
-k1 = V*l;
-k2 = l/V;
-k3 = l*l;
-k4 = k3*H;
-k5 = k3*rH;
-k6 = rL + k5;
-k7 = rM*k1 + k2*rL*rH*M;
-k8 = L + k4;
-k9 = M*k1 + k2*L*H*rM;
-k10 = 1.0/(k6 + k7);
-
-b2 = k10*(k7 - k6);
-b1 = k10*2.0*(k5 - rL);
-a2 = k10*(k8 - k9);
-a1 = k10*2.0*(L - k4);
-a0 = k10*(k8 + k9);
-*/
-
-
-static void hml_shelf_tilde_dsp_tick(t_hml_shelf_tilde *x)
-{
- if(x->event_mask)
- {
- t_float discriminant;
-
- if(x->counter_lg)
- {
- if(x->counter_lg <= 1)
- {
- x->cur_lg = x->end_lg;
- x->counter_lg = 0;
- x->event_mask &= 30;/*set event_mask_bit 0 = 0*/
- }
- else
- {
- x->counter_lg--;
- x->cur_lg *= x->delta_lg;
- }
- }
- if(x->counter_lf)
- {
- if(x->counter_lf <= 1)
- {
- x->cur_lf = x->end_lf;
- x->counter_lf = 0;
- x->event_mask &= 29;/*set event_mask_bit 1 = 0*/
- }
- else
- {
- x->counter_lf--;
- x->cur_lf *= x->delta_lf;
- }
- }
- if(x->counter_mg)
- {
- if(x->counter_mg <= 1)
- {
- x->cur_mg = x->end_mg;
- x->counter_mg = 0;
- x->event_mask &= 27;/*set event_mask_bit 2 = 0*/
- }
- else
- {
- x->counter_mg--;
- x->cur_mg *= x->delta_mg;
- }
- }
- if(x->counter_hf)
- {
- if(x->counter_hf <= 1)
- {
- x->cur_hf = x->end_hf;
- x->counter_hf = 0;
- x->event_mask &= 23;/*set event_mask_bit 3 = 0*/
- }
- else
- {
- x->counter_hf--;
- x->cur_hf *= x->delta_hf;
- }
- }
- if(x->counter_hg)
- {
- if(x->counter_hg <= 1)
- {
- x->cur_hg = x->end_hg;
- x->counter_hg = 0;
- x->event_mask &= 15;/*set event_mask_bit 4 = 0*/
- }
- else
- {
- x->counter_hg--;
- x->cur_hg *= x->delta_hg;
- }
- }
- hml_shelf_tilde_calc(x);
-
- /* stability check */
-
- discriminant = x->b1 * x->b1 + 4.0f * x->b2;
- if(x->b1 <= -1.9999996f)
- x->b1 = -1.9999996f;
- else if(x->b1 >= 1.9999996f)
- x->b1 = 1.9999996f;
-
- if(x->b2 <= -0.9999998f)
- x->b2 = -0.9999998f;
- else if(x->b2 >= 0.9999998f)
- x->b2 = 0.9999998f;
-
- if(discriminant >= 0.0f)
- {
- if(0.9999998f - x->b1 - x->b2 < 0.0f)
- x->b2 = 0.9999998f - x->b1;
- if(0.9999998f + x->b1 - x->b2 < 0.0f)
- x->b2 = 0.9999998f + x->b1;
- }
- }
-}
-
-static t_int *hml_shelf_tilde_perform(t_int *w)
-{
- t_float *in = (t_float *)(w[1]);
- t_float *out = (t_float *)(w[2]);
- t_hml_shelf_tilde *x = (t_hml_shelf_tilde *)(w[3]);
- int i, n = (t_int)(w[4]);
- t_float wn0, wn1=x->wn1, wn2=x->wn2;
- t_float a0=x->a0, a1=x->a1, a2=x->a2;
- t_float b1=x->b1, b2=x->b2;
-
- hml_shelf_tilde_dsp_tick(x);
- for(i=0; i<n; i++)
- {
- wn0 = *in++ + b1*wn1 + b2*wn2;
- *out++ = a0*wn0 + a1*wn1 + a2*wn2;
- wn2 = wn1;
- wn1 = wn0;
- }
- /* NAN protect */
- if(IEM_DENORMAL(wn2))
- wn2 = 0.0f;
- if(IEM_DENORMAL(wn1))
- wn1 = 0.0f;
-
- x->wn1 = wn1;
- x->wn2 = wn2;
- return(w+5);
-}
-
-/* yn0 = *out;
-xn0 = *in;
-*************
-yn0 = a0*xn0 + a1*xn1 + a2*xn2 + b1*yn1 + b2*yn2;
-yn2 = yn1;
-yn1 = yn0;
-xn2 = xn1;
-xn1 = xn0;
-*************************
-y/x = (a0 + a1*z-1 + a2*z-2)/(1 - b1*z-1 - b2*z-2);
-*/
-
-static t_int *hml_shelf_tilde_perf8(t_int *w)
-{
- t_float *in = (t_float *)(w[1]);
- t_float *out = (t_float *)(w[2]);
- t_hml_shelf_tilde *x = (t_hml_shelf_tilde *)(w[3]);
- int i, n = (t_int)(w[4]);
- t_float wn[10];
- t_float a0=x->a0, a1=x->a1, a2=x->a2;
- t_float b1=x->b1, b2=x->b2;
-
- hml_shelf_tilde_dsp_tick(x);
- wn[0] = x->wn2;
- wn[1] = x->wn1;
- for(i=0; i<n; i+=8, in+=8, out+=8)
- {
- wn[2] = in[0] + b1*wn[1] + b2*wn[0];
- out[0] = a0*wn[2] + a1*wn[1] + a2*wn[0];
- wn[3] = in[1] + b1*wn[2] + b2*wn[1];
- out[1] = a0*wn[3] + a1*wn[2] + a2*wn[1];
- wn[4] = in[2] + b1*wn[3] + b2*wn[2];
- out[2] = a0*wn[4] + a1*wn[3] + a2*wn[2];
- wn[5] = in[3] + b1*wn[4] + b2*wn[3];
- out[3] = a0*wn[5] + a1*wn[4] + a2*wn[3];
- wn[6] = in[4] + b1*wn[5] + b2*wn[4];
- out[4] = a0*wn[6] + a1*wn[5] + a2*wn[4];
- wn[7] = in[5] + b1*wn[6] + b2*wn[5];
- out[5] = a0*wn[7] + a1*wn[6] + a2*wn[5];
- wn[8] = in[6] + b1*wn[7] + b2*wn[6];
- out[6] = a0*wn[8] + a1*wn[7] + a2*wn[6];
- wn[9] = in[7] + b1*wn[8] + b2*wn[7];
- out[7] = a0*wn[9] + a1*wn[8] + a2*wn[7];
- wn[0] = wn[8];
- wn[1] = wn[9];
- }
- /* NAN protect */
- if(IEM_DENORMAL(wn[0]))
- wn[0] = 0.0f;
- if(IEM_DENORMAL(wn[1]))
- wn[1] = 0.0f;
-
- x->wn1 = wn[1];
- x->wn2 = wn[0];
- return(w+5);
-}
-
-static void hml_shelf_tilde_ft6(t_hml_shelf_tilde *x, t_floatarg t)
-{
- int i = (int)((x->ticks_per_interpol_time)*t);
-
- x->interpol_time = t;
- if(i <= 0)
- i = 1;
- x->ticks = i;
- x->rcp_ticks = 1.0f / (t_float)i;
-}
-
-static void hml_shelf_tilde_ft5(t_hml_shelf_tilde *x, t_floatarg hl)
-{
- t_float hg = exp(0.057564627325 * hl);
-
- if(hg != x->cur_hg)
- {
- x->end_hg = hg;
- x->counter_hg = x->ticks;
- x->delta_hg = exp(log(hg/x->cur_hg)*x->rcp_ticks);
- x->event_mask |= 16;/*set event_mask_bit 4 = 1*/
- }
-}
-
-static void hml_shelf_tilde_ft4(t_hml_shelf_tilde *x, t_floatarg hf)
-{
- t_float sqhf;
-
- if(hf <= 0.0f)
- hf = 0.000001f;
- sqhf = sqrt(hf);
- if(sqhf != x->cur_hf)
- {
- x->end_hf = sqhf;
- x->counter_hf = x->ticks;
- x->delta_hf = exp(log(sqhf/x->cur_hf)*x->rcp_ticks);
- x->event_mask |= 8;/*set event_mask_bit 3 = 1*/
- }
-}
-
-static void hml_shelf_tilde_ft3(t_hml_shelf_tilde *x, t_floatarg ml)
-{
- t_float mg = exp(0.057564627325 * ml);
-
- if(mg != x->cur_mg)
- {
- x->end_mg = mg;
- x->counter_mg = x->ticks;
- x->delta_mg = exp(log(mg/x->cur_mg)*x->rcp_ticks);
- x->event_mask |= 4;/*set event_mask_bit 2 = 1*/
- }
-}
-
-static void hml_shelf_tilde_ft2(t_hml_shelf_tilde *x, t_floatarg lf)
-{
- t_float sqlf;
-
- if(lf <= 0.0f)
- lf = 0.000001f;
- sqlf = sqrt(lf);
- if(sqlf != x->cur_lf)
- {
- x->end_lf = sqlf;
- x->counter_lf = x->ticks;
- x->delta_lf = exp(log(sqlf/x->cur_lf)*x->rcp_ticks);
- x->event_mask |= 2;/*set event_mask_bit 1 = 1*/
- }
-}
-
-static void hml_shelf_tilde_ft1(t_hml_shelf_tilde *x, t_floatarg ll)
-{
- t_float lg = exp(0.057564627325 * ll);
-
- if(lg != x->cur_lg)
- {
- x->end_lg = lg;
- x->counter_lg = x->ticks;
- x->delta_lg = exp(log(lg/x->cur_lg)*x->rcp_ticks);
- x->event_mask |= 1;/*set event_mask_bit 0 = 1*/
- }
-}
-
-static void hml_shelf_tilde_print(t_hml_shelf_tilde *x)
-{
- // post("fb1 = %g, fb2 = %g, ff1 = %g, ff2 = %g, ff3 = %g", x->b1, x->b2, x->a0, x->a1, x->a2);
- x->x_at[0].a_w.w_float = x->b1;
- x->x_at[1].a_w.w_float = x->b2;
- x->x_at[2].a_w.w_float = x->a0;
- x->x_at[3].a_w.w_float = x->a1;
- x->x_at[4].a_w.w_float = x->a2;
- outlet_list(x->x_debug_outlet, &s_list, 5, x->x_at);
-}
-
-static void hml_shelf_tilde_dsp(t_hml_shelf_tilde *x, t_signal **sp)
-{
- int i, n=(int)sp[0]->s_n;
-
- x->sr = 3.14159265358979323846f / (t_float)(sp[0]->s_sr);
- x->ticks_per_interpol_time = 0.001f * (t_float)(sp[0]->s_sr) / (t_float)n;
- i = (int)((x->ticks_per_interpol_time)*(x->interpol_time));
- if(i <= 0)
- i = 1;
- x->ticks = i;
- x->rcp_ticks = 1.0f / (t_float)i;
- if(n&7)
- dsp_add(hml_shelf_tilde_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, n);
- else
- dsp_add(hml_shelf_tilde_perf8, 4, sp[0]->s_vec, sp[1]->s_vec, x, n);
-}
-
-static void *hml_shelf_tilde_new(t_symbol *s, int argc, t_atom *argv)
-{
- t_hml_shelf_tilde *x = (t_hml_shelf_tilde *)pd_new(hml_shelf_tilde_class);
- int i;
- t_float lf=200.0f, hf=2000.0f, ll=0.0f, ml=0.0f, hl=0.0f, interpol=0.0f;
-
- inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1"));
- inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft2"));
- inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft3"));
- inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft4"));
- inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft5"));
- inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft6"));
- outlet_new(&x->x_obj, &s_signal);
- x->x_debug_outlet = outlet_new(&x->x_obj, &s_list);
- x->x_msi = 0;
-
- x->x_at[0].a_type = A_FLOAT;
- x->x_at[1].a_type = A_FLOAT;
- x->x_at[2].a_type = A_FLOAT;
- x->x_at[3].a_type = A_FLOAT;
- x->x_at[4].a_type = A_FLOAT;
-
- x->event_mask = 2;
- x->counter_lg = 0;
- x->counter_lf = 1;
- x->counter_mg = 0;
- x->counter_hf = 0;
- x->counter_hg = 0;
- x->delta_lg = 0.0f;
- x->delta_lf = 0.0f;
- x->delta_mg = 0.0f;
- x->delta_hf = 0.0f;
- x->delta_hg = 0.0f;
- x->interpol_time = 0.0f;
- x->wn1 = 0.0f;
- x->wn2 = 0.0f;
- x->a0 = 0.0f;
- x->a1 = 0.0f;
- x->a2 = 0.0f;
- x->b1 = 0.0f;
- x->b2 = 0.0f;
- x->sr = 3.14159265358979323846f / 44100.0f;
- if((argc == 6)&&IS_A_FLOAT(argv,5)&&IS_A_FLOAT(argv,4)&&IS_A_FLOAT(argv,3)
- &&IS_A_FLOAT(argv,2)&&IS_A_FLOAT(argv,1)&&IS_A_FLOAT(argv,0))
- {
- ll = (t_float)atom_getfloatarg(0, argc, argv);
- lf = (t_float)atom_getfloatarg(1, argc, argv);
- ml = (t_float)atom_getfloatarg(2, argc, argv);
- hf = (t_float)atom_getfloatarg(3, argc, argv);
- hl = (t_float)atom_getfloatarg(4, argc, argv);
- interpol = (t_float)atom_getfloatarg(5, argc, argv);
- }
- x->cur_lg = exp(0.057564627325 * ll);
- x->cur_mg = exp(0.057564627325 * ml);
- x->cur_hg = exp(0.057564627325 * hl);
- if(lf <= 0.0f)
- lf = 0.000001f;
- if(hf <= 0.0f)
- hf = 0.000001f;
- x->cur_lf = sqrt(lf);
- x->cur_hf = sqrt(hf);
- if(interpol < 0.0f)
- interpol = 0.0f;
- x->interpol_time = interpol;
- x->ticks_per_interpol_time = 0.5f;
- i = (int)((x->ticks_per_interpol_time)*(x->interpol_time));
- if(i <= 0)
- i = 1;
- x->ticks = i;
- x->rcp_ticks = 1.0f / (t_float)i;
- x->end_lf = x->cur_lf;
- x->end_hf = x->cur_hf;
- x->end_lg = x->cur_lg;
- x->end_mg = x->cur_mg;
- x->end_hg = x->cur_hg;
- return(x);
-}
-
-void hml_shelf_tilde_setup(void)
-{
- hml_shelf_tilde_class = class_new(gensym("hml_shelf~"), (t_newmethod)hml_shelf_tilde_new,
- 0, sizeof(t_hml_shelf_tilde), 0, A_GIMME, 0);
- CLASS_MAINSIGNALIN(hml_shelf_tilde_class, t_hml_shelf_tilde, x_msi);
- class_addmethod(hml_shelf_tilde_class, (t_method)hml_shelf_tilde_dsp, gensym("dsp"), 0);
- class_addmethod(hml_shelf_tilde_class, (t_method)hml_shelf_tilde_ft1, gensym("ft1"), A_FLOAT, 0);
- class_addmethod(hml_shelf_tilde_class, (t_method)hml_shelf_tilde_ft2, gensym("ft2"), A_FLOAT, 0);
- class_addmethod(hml_shelf_tilde_class, (t_method)hml_shelf_tilde_ft3, gensym("ft3"), A_FLOAT, 0);
- class_addmethod(hml_shelf_tilde_class, (t_method)hml_shelf_tilde_ft4, gensym("ft4"), A_FLOAT, 0);
- class_addmethod(hml_shelf_tilde_class, (t_method)hml_shelf_tilde_ft5, gensym("ft5"), A_FLOAT, 0);
- class_addmethod(hml_shelf_tilde_class, (t_method)hml_shelf_tilde_ft6, gensym("ft6"), A_FLOAT, 0);
- class_addmethod(hml_shelf_tilde_class, (t_method)hml_shelf_tilde_print, gensym("print"), 0);
- class_sethelpsymbol(hml_shelf_tilde_class, gensym("iemhelp/help-hml_shelf~"));
-}
diff --git a/src/iemlib1/iem_cot4~.c b/src/iemlib1/iem_cot4~.c
deleted file mode 100644
index 52b48f7..0000000
--- a/src/iemlib1/iem_cot4~.c
+++ /dev/null
@@ -1,168 +0,0 @@
-/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
-* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
-
-iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
-
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <math.h>
-
-/* ------------------------ iem_cot4~ ----------------------------- */
-
-t_float *iem_cot4_tilde_table_cos=(t_float *)0L;
-t_float *iem_cot4_tilde_table_sin=(t_float *)0L;
-
-static t_class *iem_cot4_tilde_class;
-
-typedef struct _iem_cot4_tilde
-{
- t_object x_obj;
- t_float x_sr;
- t_float x_msi;
-} t_iem_cot4_tilde;
-
-static t_int *iem_cot4_tilde_perform(t_int *w)
-{
- t_float *in = (t_float *)(w[1]);
- t_float *out = (t_float *)(w[2]);
- t_float norm_freq;
- t_float hout;
- t_iem_cot4_tilde *x = (t_iem_cot4_tilde *)(w[3]);
- t_float sr=x->x_sr;
- int n = (int)(w[4]);
- t_float *ctab = iem_cot4_tilde_table_cos, *stab = iem_cot4_tilde_table_sin;
- t_float *caddr, *saddr, cf1, cf2, sf1, sf2, frac;
- double dphase;
- int normhipart;
- int32 mytfi;
- union tabfudge tf;
-
- tf.tf_d = UNITBIT32;
- normhipart = tf.tf_i[HIOFFSET];
-
-#if 0 /* this is the readable version of the code. */
- while (n--)
- {
- norm_freq = *in * sr;
- if(norm_freq < 0.0001f)
- norm_freq = 0.0001f;
- else if(norm_freq > 0.9f)
- norm_freq = 0.9f;
- dphase = (double)(norm_freq * (t_float)(COSTABSIZE)) + UNITBIT32;
- tf.tf_d = dphase;
- mytfi = tf.tf_i[HIOFFSET] & (COSTABSIZE-1);
- saddr = stab + (mytfi);
- caddr = ctab + (mytfi);
- tf.tf_i[HIOFFSET] = normhipart;
- frac = tf.tf_d - UNITBIT32;
- sf1 = saddr[0];
- sf2 = saddr[1];
- cf1 = caddr[0];
- cf2 = caddr[1];
- in++;
- *out++ = (cf1 + frac * (cf2 - cf1))/(sf1 + frac * (sf2 - sf1));
- }
-#endif
-#if 1 /* this is the same, unwrapped by hand. prolog beg*/
- n /= 4;
- norm_freq = *in * sr;
- if(norm_freq < 0.0001f)
- norm_freq = 0.0001f;
- else if(norm_freq > 0.9f)
- norm_freq = 0.9f;
- dphase = (double)(norm_freq * (t_float)(COSTABSIZE)) + UNITBIT32;
- tf.tf_d = dphase;
- mytfi = tf.tf_i[HIOFFSET] & (COSTABSIZE-1);
- saddr = stab + (mytfi);
- caddr = ctab + (mytfi);
- tf.tf_i[HIOFFSET] = normhipart;
- in += 4; /*prolog end*/
- while (--n)
- {
- norm_freq = *in * sr;
- if(norm_freq < 0.0001f)
- norm_freq = 0.0001f;
- else if(norm_freq > 0.9f)
- norm_freq = 0.9f;
- dphase = (double)(norm_freq * (t_float)(COSTABSIZE)) + UNITBIT32;
- frac = tf.tf_d - UNITBIT32;
- tf.tf_d = dphase;
- sf1 = saddr[0];
- sf2 = saddr[1];
- cf1 = caddr[0];
- cf2 = caddr[1];
- mytfi = tf.tf_i[HIOFFSET] & (COSTABSIZE-1);
- saddr = stab + (mytfi);
- caddr = ctab + (mytfi);
- hout = (cf1 + frac * (cf2 - cf1))/(sf1 + frac * (sf2 - sf1));
- *out++ = hout;
- *out++ = hout;
- *out++ = hout;
- *out++ = hout;
- in += 4;
- tf.tf_i[HIOFFSET] = normhipart;
- }/*epilog beg*/
- frac = tf.tf_d - UNITBIT32;
- sf1 = saddr[0];
- sf2 = saddr[1];
- cf1 = caddr[0];
- cf2 = caddr[1];
- hout = (cf1 + frac * (cf2 - cf1))/(sf1 + frac * (sf2 - sf1));
- *out++ = hout;
- *out++ = hout;
- *out++ = hout;
- *out++ = hout;
- /*epilog end*/
-#endif
- return (w+5);
-}
-
-static void iem_cot4_tilde_dsp(t_iem_cot4_tilde *x, t_signal **sp)
-{
- x->x_sr = 2.0f / (t_float)sp[0]->s_sr;
- dsp_add(iem_cot4_tilde_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, sp[0]->s_n);
-}
-
-static void iem_cot4_tilde_maketable(void)
-{
- int i;
- t_float *fp, phase, fff, phsinc = 0.5*3.141592653 / ((t_float)COSTABSIZE);
- union tabfudge tf;
-
- if(!iem_cot4_tilde_table_sin)
- {
- iem_cot4_tilde_table_sin = (t_float *)getbytes(sizeof(t_float) * (COSTABSIZE+1));
- for(i=COSTABSIZE+1, fp=iem_cot4_tilde_table_sin, phase=0; i--; fp++, phase+=phsinc)
- *fp = sin(phase);
- }
- if(!iem_cot4_tilde_table_cos)
- {
- iem_cot4_tilde_table_cos = (t_float *)getbytes(sizeof(t_float) * (COSTABSIZE+1));
- for(i=COSTABSIZE+1, fp=iem_cot4_tilde_table_cos, phase=0; i--; fp++, phase+=phsinc)
- *fp = cos(phase);
- }
- tf.tf_d = UNITBIT32 + 0.5;
- if((unsigned)tf.tf_i[LOWOFFSET] != 0x80000000)
- bug("iem_cot4~: unexpected machine alignment");
-}
-
-static void *iem_cot4_tilde_new(void)
-{
- t_iem_cot4_tilde *x = (t_iem_cot4_tilde *)pd_new(iem_cot4_tilde_class);
-
- outlet_new(&x->x_obj, gensym("signal"));
- x->x_msi = 0;
- return (x);
-}
-
-void iem_cot4_tilde_setup(void)
-{
- iem_cot4_tilde_class = class_new(gensym("iem_cot4~"), (t_newmethod)iem_cot4_tilde_new, 0,
- sizeof(t_iem_cot4_tilde), 0, 0);
- class_addcreator((t_newmethod)iem_cot4_tilde_new, gensym("iem_cot~"), 0);
- CLASS_MAINSIGNALIN(iem_cot4_tilde_class, t_iem_cot4_tilde, x_msi);
- class_addmethod(iem_cot4_tilde_class, (t_method)iem_cot4_tilde_dsp, gensym("dsp"), 0);
- iem_cot4_tilde_maketable();
- class_sethelpsymbol(iem_cot4_tilde_class, gensym("iemhelp/help-iem_cot4~"));
-}
diff --git a/src/iemlib1/iem_delay~.c b/src/iemlib1/iem_delay~.c
deleted file mode 100644
index 2a2e49d..0000000
--- a/src/iemlib1/iem_delay~.c
+++ /dev/null
@@ -1,201 +0,0 @@
-/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
-* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
-
-iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
-
-#include "m_pd.h"
-#include "iemlib.h"
-
-
-/* -------------------------- iem_delay~ ------------------------------ */
-
-static t_class *iem_delay_tilde_class;
-
-#define IEMDELAY_DEF_VEC_SIZE 64
-
-typedef struct _iem_delay_tilde
-{
- t_object x_obj;
- int x_mallocsize;
- t_float x_max_delay_ms;
- t_float x_current_delay_ms;
- t_float *x_begmem1;
- t_float *x_begmem2;
- int x_writeindex;
- int x_blocksize;
- int x_delay_samples;
- t_float x_sr;
- t_float x_msi;
-} t_iem_delay_tilde;
-
-static void iem_delay_tilde_cur_del(t_iem_delay_tilde *x, t_floatarg f)
-{
- if(f < 0.0f)
- f = 0.0f;
- else if(f > x->x_max_delay_ms)
- f = x->x_max_delay_ms;
- x->x_current_delay_ms = f;
- x->x_delay_samples = (int)(0.001f*x->x_sr * f + 0.5f);
-}
-
-static t_int *iem_delay_tilde_perform(t_int *w)
-{
- t_float *in = (t_float *)(w[1]);
- t_float *out = (t_float *)(w[2]);
- t_iem_delay_tilde *x = (t_iem_delay_tilde *)(w[3]);
- int n=(int)(w[4]);
- int writeindex = x->x_writeindex;
- t_float *vec1, *vec2, *vec3;
-
- vec1 = x->x_begmem1 + writeindex;
- vec2 = x->x_begmem2 + writeindex;
- vec3 = x->x_begmem2 + writeindex - x->x_delay_samples;
- writeindex += n;
- while(n--)
- {
- *vec1++ = *vec2++ = *in++;
- *out++ = *vec3++;
- }
- if(writeindex >= x->x_mallocsize)
- {
- writeindex -= x->x_mallocsize;
- }
- x->x_writeindex = writeindex;
- return(w+5);
-}
-
-static t_int *iem_delay_tilde_perf8(t_int *w)
-{
- t_float *in = (t_float *)(w[1]);
- t_float *out = (t_float *)(w[2]);
- t_iem_delay_tilde *x = (t_iem_delay_tilde *)(w[3]);
- int i, n=(int)(w[4]);
- int writeindex = x->x_writeindex;
- t_float *vec1, *vec2;
-
- vec1 = x->x_begmem1 + writeindex;
- vec2 = x->x_begmem2 + writeindex;
- for(i=0; i<n; i+=8)
- {
- *vec1++ = *vec2++ = *in++;
- *vec1++ = *vec2++ = *in++;
- *vec1++ = *vec2++ = *in++;
- *vec1++ = *vec2++ = *in++;
- *vec1++ = *vec2++ = *in++;
- *vec1++ = *vec2++ = *in++;
- *vec1++ = *vec2++ = *in++;
- *vec1++ = *vec2++ = *in++;
- }
-
- vec2 = x->x_begmem2 + writeindex - x->x_delay_samples;
- for(i=0; i<n; i+=8)
- {
- *out++ = *vec2++;
- *out++ = *vec2++;
- *out++ = *vec2++;
- *out++ = *vec2++;
- *out++ = *vec2++;
- *out++ = *vec2++;
- *out++ = *vec2++;
- *out++ = *vec2++;
- }
-
- writeindex += n;
- if(writeindex >= x->x_mallocsize)
- {
- writeindex -= x->x_mallocsize;
- }
- x->x_writeindex = writeindex;
- return(w+5);
-}
-
-static void iem_delay_tilde_dsp(t_iem_delay_tilde *x, t_signal **sp)
-{
- int blocksize = sp[0]->s_n, i;
-
- if(!x->x_blocksize)/*first time*/
- {
- int nsamps = x->x_max_delay_ms * (t_float)sp[0]->s_sr * 0.001f;
-
- if(nsamps < 1)
- nsamps = 1;
- nsamps += ((- nsamps) & (blocksize - 1));
- nsamps += blocksize;
- x->x_mallocsize = nsamps;
- x->x_begmem1 = (t_float *)getbytes(2 * x->x_mallocsize * sizeof(t_float));
- x->x_begmem2 = x->x_begmem1 + x->x_mallocsize;
- post("beginn = %x", (unsigned long)x->x_begmem1);
- x->x_writeindex = blocksize;
- x->x_sr = (t_float)sp[0]->s_sr;
- x->x_blocksize = blocksize;
- x->x_delay_samples = (int)(0.001f*x->x_sr * x->x_current_delay_ms + 0.5f);
- }
- else if((x->x_blocksize != blocksize) || ((t_float)sp[0]->s_sr != x->x_sr))
- {
- int nsamps = x->x_max_delay_ms * (t_float)sp[0]->s_sr * 0.001f;
-
- if(nsamps < 1)
- nsamps = 1;
- nsamps += ((- nsamps) & (blocksize - 1));
- nsamps += blocksize;
-
- x->x_begmem1 = (t_float *)resizebytes(x->x_begmem1, 2*x->x_mallocsize*sizeof(t_float), 2*nsamps*sizeof(t_float));
- x->x_mallocsize = nsamps;
- x->x_begmem2 = x->x_begmem1 + x->x_mallocsize;
- post("beginn = %x", (unsigned long)x->x_begmem1);
- if(x->x_writeindex >= nsamps)
- x->x_writeindex -= nsamps;
- x->x_sr = (t_float)sp[0]->s_sr;
- x->x_blocksize = blocksize;
- x->x_delay_samples = (int)(0.001f*x->x_sr * x->x_current_delay_ms + 0.5f);
- }
-
- if(blocksize&7)
- dsp_add(iem_delay_tilde_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, blocksize);
- else
- dsp_add(iem_delay_tilde_perf8, 4, sp[0]->s_vec, sp[1]->s_vec, x, blocksize);
-}
-
-static void *iem_delay_tilde_new(t_floatarg max_delay_ms, t_floatarg current_delay_ms)
-{
- t_iem_delay_tilde *x = (t_iem_delay_tilde *)pd_new(iem_delay_tilde_class);
- int nsamps;
-
- if(max_delay_ms < 2.0f)
- max_delay_ms = 2.0f;
- x->x_max_delay_ms = max_delay_ms;
- if(current_delay_ms < 0.0f)
- current_delay_ms = 0.0f;
- else if(current_delay_ms > max_delay_ms)
- current_delay_ms = max_delay_ms;
- x->x_current_delay_ms = current_delay_ms;
- nsamps = max_delay_ms * sys_getsr() * 0.001f;
- if(nsamps < 1)
- nsamps = 1;
- nsamps += ((- nsamps) & (IEMDELAY_DEF_VEC_SIZE - 1));
- nsamps += IEMDELAY_DEF_VEC_SIZE;
- x->x_mallocsize = nsamps;
- x->x_begmem1 = (t_float *)getbytes(2 * x->x_mallocsize * sizeof(t_float));
- x->x_begmem2 = x->x_begmem1 + x->x_mallocsize;
- x->x_writeindex = IEMDELAY_DEF_VEC_SIZE;
- x->x_blocksize = 0;
- x->x_sr = 0.0f;
- inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1"));
- outlet_new(&x->x_obj, &s_signal);
- x->x_msi = 0.0f;
- return (x);
-}
-
-static void iem_delay_tilde_free(t_iem_delay_tilde *x)
-{
- freebytes(x->x_begmem1, 2 * x->x_mallocsize * sizeof(t_float));
-}
-
-void iem_delay_tilde_setup(void)
-{
- iem_delay_tilde_class = class_new(gensym("iem_delay~"), (t_newmethod)iem_delay_tilde_new, (t_method)iem_delay_tilde_free,
- sizeof(t_iem_delay_tilde), 0, A_DEFFLOAT, A_DEFFLOAT, 0);
- CLASS_MAINSIGNALIN(iem_delay_tilde_class, t_iem_delay_tilde, x_msi);
- class_addmethod(iem_delay_tilde_class, (t_method)iem_delay_tilde_dsp, gensym("dsp"), 0);
- class_addmethod(iem_delay_tilde_class, (t_method)iem_delay_tilde_cur_del, gensym("ft1"), A_FLOAT, 0);
-}
diff --git a/src/iemlib1/iem_pow4~.c b/src/iemlib1/iem_pow4~.c
deleted file mode 100644
index 50bc7c2..0000000
--- a/src/iemlib1/iem_pow4~.c
+++ /dev/null
@@ -1,78 +0,0 @@
-/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
-* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
-
-iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <math.h>
-
-/* ------------------------ iem_pow4~ ----------------------------- */
-
-static t_class *iem_pow4_tilde_class;
-
-typedef struct _iem_pow4_tilde
-{
- t_object x_obj;
- t_float x_exp;
- t_float x_msi;
-} t_iem_pow4_tilde;
-
-static void iem_pow4_tilde_ft1(t_iem_pow4_tilde *x, t_floatarg f)
-{
- x->x_exp = f;
-}
-
-static t_int *iem_pow4_tilde_perform(t_int *w)
-{
- t_float *in = (t_float *)(w[1]);
- t_float *out = (t_float *)(w[2]);
- t_iem_pow4_tilde *x = (t_iem_pow4_tilde *)(w[3]);
- t_float y=x->x_exp;
- t_float f, g;
- int n = (int)(w[4])/4;
-
- while (n--)
- {
- f = *in;
- if(f < 0.01f)
- f = 0.01f;
- else if(f > 1000.0f)
- f = 1000.0f;
- g = log(f);
- f = exp(g*y);
- *out++ = f;
- *out++ = f;
- *out++ = f;
- *out++ = f;
- in += 4;
- }
- return (w+5);
-}
-
-static void iem_pow4_tilde_dsp(t_iem_pow4_tilde *x, t_signal **sp)
-{
- dsp_add(iem_pow4_tilde_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, sp[0]->s_n);
-}
-
-static void *iem_pow4_tilde_new(t_floatarg f)
-{
- t_iem_pow4_tilde *x = (t_iem_pow4_tilde *)pd_new(iem_pow4_tilde_class);
-
- x->x_exp = f;
- inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1"));
- outlet_new(&x->x_obj, gensym("signal"));
- x->x_msi = 0;
- return (x);
-}
-
-void iem_pow4_tilde_setup(void)
-{
- iem_pow4_tilde_class = class_new(gensym("iem_pow4~"), (t_newmethod)iem_pow4_tilde_new, 0,
- sizeof(t_iem_pow4_tilde), 0, A_DEFFLOAT, 0);
- class_addcreator((t_newmethod)iem_pow4_tilde_new, gensym("icot~"), 0);
- CLASS_MAINSIGNALIN(iem_pow4_tilde_class, t_iem_pow4_tilde, x_msi);
- class_addmethod(iem_pow4_tilde_class, (t_method)iem_pow4_tilde_dsp, gensym("dsp"), 0);
- class_addmethod(iem_pow4_tilde_class, (t_method)iem_pow4_tilde_ft1, gensym("ft1"), A_FLOAT, 0);
- class_sethelpsymbol(iem_pow4_tilde_class, gensym("iemhelp/help-iem_pow4~"));
-}
diff --git a/src/iemlib1/iem_sqrt4~.c b/src/iemlib1/iem_sqrt4~.c
deleted file mode 100644
index d156122..0000000
--- a/src/iemlib1/iem_sqrt4~.c
+++ /dev/null
@@ -1,108 +0,0 @@
-/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
-* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
-
-iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <math.h>
-
-#define IEMSQRT4TAB1SIZE 256
-#define IEMSQRT4TAB2SIZE 1024
-
-/* ------------------------ iem_sqrt4~ ----------------------------- */
-
-t_float *iem_sqrt4_tilde_exptab=(t_float *)0L;
-t_float *iem_sqrt4_tilde_mantissatab=(t_float *)0L;
-
-static t_class *iem_sqrt4_tilde_class;
-
-typedef struct _iem_sqrt4_tilde
-{
- t_object x_obj;
- t_float x_msi;
-} t_iem_sqrt4_tilde;
-
-static t_int *iem_sqrt4_tilde_perform(t_int *w)
-{
- t_float *in = (t_float *)(w[1]);
- t_float *out = (t_float *)(w[2]);
- t_int n = (t_int)(w[3])/4;
-
- while(n--)
- {
- t_float f = *in;
- t_float g, h;
- long l = *(long *)(in);
-
- if(f < 0.0f)
- {
- *out++ = 0.0f;
- *out++ = 0.0f;
- *out++ = 0.0f;
- *out++ = 0.0f;
- }
- else
- {
- g = iem_sqrt4_tilde_exptab[(l >> 23) & 0xff] * iem_sqrt4_tilde_mantissatab[(l >> 13) & 0x3ff];
- h = f * (1.5f * g - 0.5f * g * g * g * f);
- *out++ = h;
- *out++ = h;
- *out++ = h;
- *out++ = h;
- }
- in += 4;
- }
- return(w+4);
-}
-
-static void iem_sqrt4_tilde_dsp(t_iem_sqrt4_tilde *x, t_signal **sp)
-{
- dsp_add(iem_sqrt4_tilde_perform, 3, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n);
-}
-
-static void iem_sqrt4_tilde_maketable(void)
-{
- int i;
- t_float f;
- long l;
-
- if(!iem_sqrt4_tilde_exptab)
- {
- iem_sqrt4_tilde_exptab = (t_float *)getbytes(sizeof(t_float) * IEMSQRT4TAB1SIZE);
- for(i=0; i<IEMSQRT4TAB1SIZE; i++)
- {
- l = (i ? (i == IEMSQRT4TAB1SIZE-1 ? IEMSQRT4TAB1SIZE-2 : i) : 1)<< 23;
- *(long *)(&f) = l;
- iem_sqrt4_tilde_exptab[i] = 1.0f/sqrt(f);
- }
- }
- if(!iem_sqrt4_tilde_mantissatab)
- {
- iem_sqrt4_tilde_mantissatab = (t_float *)getbytes(sizeof(t_float) * IEMSQRT4TAB2SIZE);
- for(i=0; i<IEMSQRT4TAB2SIZE; i++)
- {
- f = 1.0f + (1.0f/(t_float)IEMSQRT4TAB2SIZE) * (t_float)i;
- iem_sqrt4_tilde_mantissatab[i] = 1.0f/sqrt(f);
- }
- }
-}
-
-static void *iem_sqrt4_tilde_new(void)
-{
- t_iem_sqrt4_tilde *x = (t_iem_sqrt4_tilde *)pd_new(iem_sqrt4_tilde_class);
-
- outlet_new(&x->x_obj, gensym("signal"));
- x->x_msi = 0;
- return (x);
-}
-
-void iem_sqrt4_tilde_setup(void)
-{
- iem_sqrt4_tilde_class = class_new(gensym("iem_sqrt4~"), (t_newmethod)iem_sqrt4_tilde_new, 0,
- sizeof(t_iem_sqrt4_tilde), 0, 0);
- CLASS_MAINSIGNALIN(iem_sqrt4_tilde_class, t_iem_sqrt4_tilde, x_msi);
- class_addmethod(iem_sqrt4_tilde_class, (t_method)iem_sqrt4_tilde_dsp, gensym("dsp"), 0);
- iem_sqrt4_tilde_maketable();
- class_sethelpsymbol(iem_sqrt4_tilde_class, gensym("iemhelp/help-iem_sqrt4~"));
-}
diff --git a/src/iemlib1/iemlib.h b/src/iemlib1/iemlib.h
deleted file mode 100644
index 5c4f245..0000000
--- a/src/iemlib1/iemlib.h
+++ /dev/null
@@ -1,108 +0,0 @@
-/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
-* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
-
-iemlib written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
-
-#ifndef __IEMLIB_H__
-#define __IEMLIB_H__
-
-
-#define IS_A_POINTER(atom,index) ((atom+index)->a_type == A_POINTER)
-#define IS_A_FLOAT(atom,index) ((atom+index)->a_type == A_FLOAT)
-#define IS_A_SYMBOL(atom,index) ((atom+index)->a_type == A_SYMBOL)
-#define IS_A_DOLLAR(atom,index) ((atom+index)->a_type == A_DOLLAR)
-#define IS_A_DOLLSYM(atom,index) ((atom+index)->a_type == A_DOLLSYM)
-#define IS_A_SEMI(atom,index) ((atom+index)->a_type == A_SEMI)
-#define IS_A_COMMA(atom,index) ((atom+index)->a_type == A_COMMA)
-
-
-#ifdef NT
-int sys_noloadbang;
-//t_symbol *iemgui_key_sym=0;
-#include <io.h>
-#else
-extern int sys_noloadbang;
-//extern t_symbol *iemgui_key_sym;
-#include <unistd.h>
-#endif
-
-#define DEFDELVS 64
-#define XTRASAMPS 4
-#define SAMPBLK 4
-
-
-#define UNITBIT32 1572864. /* 3*2^19; bit 32 has place value 1 */
-
-/* machine-dependent definitions. These ifdefs really
-should have been by CPU type and not by operating system! */
-#ifdef IRIX
-/* big-endian. Most significant byte is at low address in memory */
-#define HIOFFSET 0 /* word offset to find MSB */
-#define LOWOFFSET 1 /* word offset to find LSB */
-#define int32 long /* a data type that has 32 bits */
-#else
-#ifdef MSW
-/* little-endian; most significant byte is at highest address */
-#define HIOFFSET 1
-#define LOWOFFSET 0
-#define int32 long
-#else
-#ifdef __FreeBSD__
-#include <machine/endian.h>
-#if BYTE_ORDER == LITTLE_ENDIAN
-#define HIOFFSET 1
-#define LOWOFFSET 0
-#else
-#define HIOFFSET 0 /* word offset to find MSB */
-#define LOWOFFSET 1 /* word offset to find LSB */
-#endif /* BYTE_ORDER */
-#include <sys/types.h>
-#define int32 int32_t
-#endif
-#ifdef __linux__
-
-#include <endian.h>
-
-#if !defined(__BYTE_ORDER) || !defined(__LITTLE_ENDIAN)
-#error No byte order defined
-#endif
-
-#if __BYTE_ORDER == __LITTLE_ENDIAN
-#define HIOFFSET 1
-#define LOWOFFSET 0
-#else
-#define HIOFFSET 0 /* word offset to find MSB */
-#define LOWOFFSET 1 /* word offset to find LSB */
-#endif /* __BYTE_ORDER */
-
-#include <sys/types.h>
-#define int32 int32_t
-
-#else
-#ifdef __APPLE__
-#define HIOFFSET 0 /* word offset to find MSB */
-#define LOWOFFSET 1 /* word offset to find LSB */
-#define int32 int /* a data type that has 32 bits */
-
-#endif /* __APPLE__ */
-#endif /* __linux__ */
-#endif /* MSW */
-#endif /* SGI */
-
-union tabfudge
-{
- double tf_d;
- int32 tf_i[2];
-};
-
-#if defined __i386__ || defined __x86_64__
-#define IEM_DENORMAL(f) ((((*(unsigned int*)&(f))&0x60000000)==0) || \
-(((*(unsigned int*)&(f))&0x60000000)==0x60000000))
-/* more stringent test: anything not between 1e-19 and 1e19 in absolute val */
-#else
-
-#define IEM_DENORMAL(f) 0
-
-#endif
-
-#endif
diff --git a/src/iemlib1/iemlib1.c b/src/iemlib1/iemlib1.c
deleted file mode 100644
index 517d0ea..0000000
--- a/src/iemlib1/iemlib1.c
+++ /dev/null
@@ -1,78 +0,0 @@
-/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
-* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
-
-iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
-
-
-#include "m_pd.h"
-#include "iemlib.h"
-
-static t_class *iemlib1_class;
-
-static void *iemlib1_new(void)
-{
- t_object *x = (t_object *)pd_new(iemlib1_class);
-
- return (x);
-}
-
-void biquad_freq_resp_setup(void);
-void db2v_setup(void);
-void f2note_setup(void);
-void filter_tilde_setup(void);
-void FIR_tilde_setup(void);
-void forpp_setup(void);
-void gate_setup(void);
-void hml_shelf_tilde_setup(void);
-void iem_cot4_tilde_setup(void);
-void iem_delay_tilde_setup(void);
-void iem_pow4_tilde_setup(void);
-void iem_sqrt4_tilde_setup(void);
-void lp1_t_tilde_setup(void);
-void mov_avrg_kern_tilde_setup(void);
-void para_bp2_tilde_setup(void);
-void peakenv_tilde_setup(void);
-void prvu_tilde_setup(void);
-void pvu_tilde_setup(void);
-void rvu_tilde_setup(void);
-void sin_phase_tilde_setup(void);
-void soundfile_info_setup(void);
-void split_setup(void);
-void v2db_setup(void);
-void vcf_filter_tilde_setup(void);
-
-/* ------------------------ setup routine ------------------------- */
-
-void iemlib1_setup(void)
-{
- iemlib1_class = class_new(gensym("iemlib1"), iemlib1_new, 0,
- sizeof(t_object), CLASS_NOINLET, 0);
-
- biquad_freq_resp_setup();
- db2v_setup();
- f2note_setup();
- filter_tilde_setup();
- FIR_tilde_setup();
- forpp_setup();
- gate_setup();
- hml_shelf_tilde_setup();
- iem_cot4_tilde_setup();
- iem_delay_tilde_setup();
- iem_pow4_tilde_setup();
- iem_sqrt4_tilde_setup();
- lp1_t_tilde_setup();
- mov_avrg_kern_tilde_setup();
- para_bp2_tilde_setup();
- peakenv_tilde_setup();
- prvu_tilde_setup();
- pvu_tilde_setup();
- rvu_tilde_setup();
- sin_phase_tilde_setup();
- soundfile_info_setup();
- split_setup();
- v2db_setup();
- vcf_filter_tilde_setup();
-
- post("iemlib1 (R-1.16) library loaded! (c) Thomas Musil 05.2005");
- post(" musil%ciem.at iem KUG Graz Austria", '@');
-}
diff --git a/src/iemlib1/iemlib1.dsp b/src/iemlib1/iemlib1.dsp
deleted file mode 100644
index 9018881..0000000
--- a/src/iemlib1/iemlib1.dsp
+++ /dev/null
@@ -1,85 +0,0 @@
-# Microsoft Developer Studio Project File - Name="iemlib1" - Package Owner=<4>
-# Microsoft Developer Studio Generated Build File, Format Version 6.00
-# ** NICHT BEARBEITEN **
-
-# TARGTYPE "Win32 (x86) External Target" 0x0106
-
-CFG=iemlib1 - Win32 Debug
-!MESSAGE Dies ist kein gültiges Makefile. Zum Erstellen dieses Projekts mit NMAKE
-!MESSAGE verwenden Sie den Befehl "Makefile exportieren" und führen Sie den Befehl
-!MESSAGE
-!MESSAGE NMAKE /f "iemlib1.mak".
-!MESSAGE
-!MESSAGE Sie können beim Ausführen von NMAKE eine Konfiguration angeben
-!MESSAGE durch Definieren des Makros CFG in der Befehlszeile. Zum Beispiel:
-!MESSAGE
-!MESSAGE NMAKE /f "iemlib1.mak" CFG="iemlib1 - Win32 Debug"
-!MESSAGE
-!MESSAGE Für die Konfiguration stehen zur Auswahl:
-!MESSAGE
-!MESSAGE "iemlib1 - Win32 Release" (basierend auf "Win32 (x86) External Target")
-!MESSAGE "iemlib1 - Win32 Debug" (basierend auf "Win32 (x86) External Target")
-!MESSAGE
-
-# Begin Project
-# PROP AllowPerConfigDependencies 0
-# PROP Scc_ProjName ""
-# PROP Scc_LocalPath ""
-
-!IF "$(CFG)" == "iemlib1 - Win32 Release"
-
-# PROP BASE Use_Debug_Libraries 0
-# PROP BASE Output_Dir "Release"
-# PROP BASE Intermediate_Dir "Release"
-# PROP BASE Cmd_Line "NMAKE /f makefile_win"
-# PROP BASE Rebuild_Opt "/a"
-# PROP BASE Target_File "makefile_win.exe"
-# PROP BASE Bsc_Name "makefile_win.bsc"
-# PROP BASE Target_Dir ""
-# PROP Use_Debug_Libraries 0
-# PROP Output_Dir "Release"
-# PROP Intermediate_Dir "Release"
-# PROP Cmd_Line "NMAKE /f makefile_win"
-# PROP Rebuild_Opt "/a"
-# PROP Target_File "iemlib1.exe"
-# PROP Bsc_Name "iemlib1.bsc"
-# PROP Target_Dir ""
-
-!ELSEIF "$(CFG)" == "iemlib1 - Win32 Debug"
-
-# PROP BASE Use_Debug_Libraries 1
-# PROP BASE Output_Dir "Debug"
-# PROP BASE Intermediate_Dir "Debug"
-# PROP BASE Cmd_Line "NMAKE /f makefile_win"
-# PROP BASE Rebuild_Opt "/a"
-# PROP BASE Target_File "makefile_win.exe"
-# PROP BASE Bsc_Name "makefile_win.bsc"
-# PROP BASE Target_Dir ""
-# PROP Use_Debug_Libraries 1
-# PROP Output_Dir "Debug"
-# PROP Intermediate_Dir "Debug"
-# PROP Cmd_Line "NMAKE /f makefile_win"
-# PROP Rebuild_Opt "/a"
-# PROP Target_File "iemlib1.exe"
-# PROP Bsc_Name "iemlib1.bsc"
-# PROP Target_Dir ""
-
-!ENDIF
-
-# Begin Target
-
-# Name "iemlib1 - Win32 Release"
-# Name "iemlib1 - Win32 Debug"
-
-!IF "$(CFG)" == "iemlib1 - Win32 Release"
-
-!ELSEIF "$(CFG)" == "iemlib1 - Win32 Debug"
-
-!ENDIF
-
-# Begin Source File
-
-SOURCE=.\makefile_win
-# End Source File
-# End Target
-# End Project
diff --git a/src/iemlib1/iemlib1.dsw b/src/iemlib1/iemlib1.dsw
deleted file mode 100644
index 0fed87a..0000000
--- a/src/iemlib1/iemlib1.dsw
+++ /dev/null
@@ -1,29 +0,0 @@
-Microsoft Developer Studio Workspace File, Format Version 6.00
-# WARNUNG: DIESE ARBEITSBEREICHSDATEI DARF NICHT BEARBEITET ODER GELÖSCHT WERDEN!
-
-###############################################################################
-
-Project: "iemlib1"=.\iemlib1.dsp - Package Owner=<4>
-
-Package=<5>
-{{{
-}}}
-
-Package=<4>
-{{{
-}}}
-
-###############################################################################
-
-Global:
-
-Package=<5>
-{{{
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-
-Package=<3>
-{{{
-}}}
-
-###############################################################################
-
diff --git a/src/iemlib1/lp1_t~.c b/src/iemlib1/lp1_t~.c
deleted file mode 100644
index b7d7685..0000000
--- a/src/iemlib1/lp1_t~.c
+++ /dev/null
@@ -1,210 +0,0 @@
-/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
-* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
-
-iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <math.h>
-
-/* -- lp1_t~ - slow dynamic lowpass-filter 1. order with tau input --- */
-
-typedef struct _lp1_t_tilde
-{
- t_object x_obj;
- t_float yn1;
- t_float c0;
- t_float c1;
- t_float sr;
- t_float cur_t;
- t_float delta_t;
- t_float end_t;
- t_float ticks_per_interpol_time;
- t_float rcp_ticks;
- t_float interpol_time;
- int ticks;
- int counter_t;
- t_float x_msi;
-} t_lp1_t_tilde;
-
-t_class *lp1_t_tilde_class;
-
-static void lp1_t_tilde_dsp_tick(t_lp1_t_tilde *x)
-{
- if(x->counter_t)
- {
- if(x->counter_t <= 1)
- {
- x->cur_t = x->end_t;
- x->counter_t = 0;
- }
- else
- {
- x->counter_t--;
- x->cur_t += x->delta_t;
- }
- if(x->cur_t == 0.0f)
- x->c1 = 0.0f;
- else
- x->c1 = exp((x->sr)/x->cur_t);
- x->c0 = 1.0f - x->c1;
- }
-}
-
-static t_int *lp1_t_tilde_perform(t_int *w)
-{
- t_float *in = (t_float *)(w[1]);
- t_float *out = (t_float *)(w[2]);
- t_lp1_t_tilde *x = (t_lp1_t_tilde *)(w[3]);
- int i, n = (t_int)(w[4]);
- t_float yn0, yn1=x->yn1;
- t_float c0=x->c0, c1=x->c1;
-
- lp1_t_tilde_dsp_tick(x);
- for(i=0; i<n; i++)
- {
- yn0 = (*in++)*c0 + yn1*c1;
- *out++ = yn0;
- yn1 = yn0;
- }
- /* NAN protect */
- if(IEM_DENORMAL(yn1))
- yn1 = 0.0f;
- x->yn1 = yn1;
- return(w+5);
-}
-
-static t_int *lp1_t_tilde_perf8(t_int *w)
-{
- t_float *in = (t_float *)(w[1]);
- t_float *out = (t_float *)(w[2]);
- t_lp1_t_tilde *x = (t_lp1_t_tilde *)(w[3]);
- int i, n = (t_int)(w[4]);
- t_float yn[9];
- t_float c0=x->c0, c1=x->c1;
-
- lp1_t_tilde_dsp_tick(x);
- yn[0] = x->yn1;
- for(i=0; i<n; i+=8, in+=8, out+=8)
- {
- yn[1] = in[0]*c0 + yn[0]*c1;
- out[0] = yn[1];
- yn[2] = in[1]*c0 + yn[1]*c1;
- out[1] = yn[2];
- yn[3] = in[2]*c0 + yn[2]*c1;
- out[2] = yn[3];
- yn[4] = in[3]*c0 + yn[3]*c1;
- out[3] = yn[4];
- yn[5] = in[4]*c0 + yn[4]*c1;
- out[4] = yn[5];
- yn[6] = in[5]*c0 + yn[5]*c1;
- out[5] = yn[6];
- yn[7] = in[6]*c0 + yn[6]*c1;
- out[6] = yn[7];
- yn[8] = in[7]*c0 + yn[7]*c1;
- out[7] = yn[8];
- yn[0] = yn[8];
- }
- /* NAN protect */
- if(IEM_DENORMAL(yn[0]))
- yn[0] = 0.0f;
-
- x->yn1 = yn[0];
- return(w+5);
-}
-
-static void lp1_t_tilde_ft2(t_lp1_t_tilde *x, t_floatarg t)
-{
- int i = (int)((x->ticks_per_interpol_time)*t);
-
- x->interpol_time = t;
- if(i <= 0)
- i = 1;
- x->ticks = i;
- x->rcp_ticks = 1.0f / (t_float)i;
-}
-
-static void lp1_t_tilde_ft1(t_lp1_t_tilde *x, t_floatarg time_const)
-{
- if(time_const < 0.0f)
- time_const = 0.0f;
- if(time_const != x->cur_t)
- {
- x->end_t = time_const;
- x->counter_t = x->ticks;
- x->delta_t = (time_const - x->cur_t) * x->rcp_ticks;
- }
-}
-
-static void lp1_t_tilde_dsp(t_lp1_t_tilde *x, t_signal **sp)
-{
- int i, n=(int)sp[0]->s_n;
-
- x->sr = -1000.0f / (t_float)(sp[0]->s_sr);
- x->ticks_per_interpol_time = 0.001f * (t_float)(sp[0]->s_sr) / (t_float)n;
- i = (int)((x->ticks_per_interpol_time)*(x->interpol_time));
- if(i <= 0)
- i = 1;
- x->ticks = i;
- x->rcp_ticks = 1.0f / (t_float)i;
- if(x->cur_t == 0.0f)
- x->c1 = 0.0f;
- else
- x->c1 = exp((x->sr)/x->cur_t);
- x->c0 = 1.0f - x->c1;
- if(n&7)
- dsp_add(lp1_t_tilde_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, n);
- else
- dsp_add(lp1_t_tilde_perf8, 4, sp[0]->s_vec, sp[1]->s_vec, x, n);
-}
-
-static void *lp1_t_tilde_new(t_symbol *s, int argc, t_atom *argv)
-{
- t_lp1_t_tilde *x = (t_lp1_t_tilde *)pd_new(lp1_t_tilde_class);
- int i;
- t_float time_const=0.0f, interpol=0.0f;
-
- inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1"));
- inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft2"));
- outlet_new(&x->x_obj, &s_signal);
- x->x_msi = 0;
- x->counter_t = 1;
- x->delta_t = 0.0f;
- x->interpol_time = 0.0f;
- x->yn1 = 0.0f;
- x->sr = -1.0f / 44.1f;
- if((argc >= 1)&&IS_A_FLOAT(argv,0))
- time_const = (t_float)atom_getfloatarg(0, argc, argv);
- if((argc >= 2)&&IS_A_FLOAT(argv,1))
- interpol = (t_float)atom_getfloatarg(1, argc, argv);
- if(time_const < 0.0f)
- time_const = 0.0f;
- x->cur_t = time_const;
- if(time_const == 0.0f)
- x->c1 = 0.0f;
- else
- x->c1 = exp((x->sr)/time_const);
- x->c0 = 1.0f - x->c1;
- if(interpol < 0.0f)
- interpol = 0.0f;
- x->interpol_time = interpol;
- x->ticks_per_interpol_time = 0.5f;
- i = (int)((x->ticks_per_interpol_time)*(x->interpol_time));
- if(i <= 0)
- i = 1;
- x->ticks = i;
- x->rcp_ticks = 1.0f / (t_float)i;
- x->end_t = x->cur_t;
- return (x);
-}
-
-void lp1_t_tilde_setup(void)
-{
- lp1_t_tilde_class = class_new(gensym("lp1_t~"), (t_newmethod)lp1_t_tilde_new,
- 0, sizeof(t_lp1_t_tilde), 0, A_GIMME, 0);
- CLASS_MAINSIGNALIN(lp1_t_tilde_class, t_lp1_t_tilde, x_msi);
- class_addmethod(lp1_t_tilde_class, (t_method)lp1_t_tilde_dsp, gensym("dsp"), 0);
- class_addmethod(lp1_t_tilde_class, (t_method)lp1_t_tilde_ft1, gensym("ft1"), A_FLOAT, 0);
- class_addmethod(lp1_t_tilde_class, (t_method)lp1_t_tilde_ft2, gensym("ft2"), A_FLOAT, 0);
- class_sethelpsymbol(lp1_t_tilde_class, gensym("iemhelp/help-lp1_t~"));
-}
diff --git a/src/iemlib1/makefile b/src/iemlib1/makefile
deleted file mode 100644
index f1fa0e4..0000000
--- a/src/iemlib1/makefile
+++ /dev/null
@@ -1,4 +0,0 @@
-TARGET = iemlib1
-
-include ../../Make.include
-
diff --git a/src/iemlib1/makefile.darwin b/src/iemlib1/makefile.darwin
deleted file mode 100644
index 242c511..0000000
--- a/src/iemlib1/makefile.darwin
+++ /dev/null
@@ -1,73 +0,0 @@
-current: all
-
-.SUFFIXES: .pd_darwin
-
-INCLUDE = -I. -I/usr/local/src/pd/src
-
-LDFLAGS = -export-dynamic -shared
-LIB = -ldl -lm -lpthread
-
-#select either the DBG and OPT compiler flags below:
-
-CFLAGS = -DPD -DUNIX -g -Wall -W -Werror -Wno-unused \
- -Wno-parentheses -Wno-switch -O2 -fno-strict-aliasing \
- $(INCLUDE) $(UCFLAGS) $(AFLAGS) \
-
-MACOSXLINKFLAGS = -bundle -bundle_loader /usr/local/src/pd/bin/pd
-
-SYSTEM = $(shell uname -m)
-
-# the sources
-
-SRC = biquad_freq_resp.c \
- db2v.c \
- f2note.c \
- filter~.c \
- FIR~.c \
- forpp.c \
- gate.c \
- hml_shelf~.c \
- iem_cot4~.c \
- iem_delay~.c \
- iem_pow4~.c \
- iem_sqrt4~.c \
- lp1_t~.c \
- mov_avrg_kern~.c \
- para_bp2~.c \
- peakenv~.c \
- prvu~.c \
- pvu~.c \
- rvu~.c \
- sin_phase~.c \
- soundfile_info.c \
- split.c \
- v2db.c \
- vcf_filter~.c \
- iemlib1.c
-
-TARGET = iemlib1.pd_darwin
-
-
-OBJ = $(SRC:.c=.o)
-
-#
-# ------------------ targets ------------------------------------
-#
-
-clean:
- rm ../../lib/$(TARGET)
- rm *.o
-
-all: $(OBJ)
- @echo :: $(OBJ)
- $(CC) $(MACOSXLINKFLAGS) -o $(TARGET) *.o $(LIB)
- strip --strip-unneeded $(TARGET)
- mv $(TARGET) ../../lib
-
-$(OBJ) : %.o : %.c
- touch $*.c
- $(CC) $(CFLAGS) -DPD $(INCLUDE) -c -o $*.o $*.c
-
-
-
-
diff --git a/src/iemlib1/makefile_linux b/src/iemlib1/makefile_linux
deleted file mode 100644
index bc0d68f..0000000
--- a/src/iemlib1/makefile_linux
+++ /dev/null
@@ -1,69 +0,0 @@
-current: all
-
-.SUFFIXES: .pd_linux
-
-INCLUDE = -I. -I/usr/local/src/pd/src
-
-LDFLAGS = -export-dynamic -shared
-LIB = -ldl -lm -lpthread
-
-#select either the DBG and OPT compiler flags below:
-
-CFLAGS = -DPD -DUNIX -W -Werror -Wno-unused \
- -Wno-parentheses -Wno-switch -O6 -funroll-loops -fomit-frame-pointer -fno-strict-aliasing \
- -DDL_OPEN
-
-SYSTEM = $(shell uname -m)
-
-# the sources
-
-SRC = biquad_freq_resp.c \
- db2v.c \
- f2note.c \
- filter~.c \
- FIR~.c \
- forpp.c \
- gate.c \
- hml_shelf~.c \
- iem_cot4~.c \
- iem_delay~.c \
- iem_pow4~.c \
- iem_sqrt4~.c \
- lp1_t~.c \
- mov_avrg_kern~.c \
- para_bp2~.c \
- peakenv~.c \
- prvu~.c \
- pvu~.c \
- rvu~.c \
- sin_phase~.c \
- soundfile_info.c \
- split.c \
- v2db.c \
- vcf_filter~.c \
- iemlib1.c
-
-TARGET = iemlib1.pd_linux
-
-
-OBJ = $(SRC:.c=.o)
-
-#
-# ------------------ targets ------------------------------------
-#
-
-clean:
- rm $(TARGET)
- rm *.o
-
-all: $(OBJ)
- @echo :: $(OBJ)
- $(LD) $(LDFLAGS) -o $(TARGET) *.o $(LIB)
- strip --strip-unneeded $(TARGET)
-
-$(OBJ) : %.o : %.c
- $(CC) $(CFLAGS) $(INCLUDE) -c -o $*.o $*.c
-
-
-
-
diff --git a/src/iemlib1/makefile_win b/src/iemlib1/makefile_win
deleted file mode 100644
index cd4322d..0000000
--- a/src/iemlib1/makefile_win
+++ /dev/null
@@ -1,55 +0,0 @@
-all: ..\..\lib\iemlib1.dll
-
-VIS_CPP_PATH = "C:\Programme\Microsoft Visual Studio\Vc98"
-PD_INST_PATH = "C:\Programme\pd-0.39-2"
-PD_WIN_INCLUDE_PATH = /I. /I$(PD_INST_PATH)\src /I$(VIS_CPP_PATH)\include
-PD_WIN_C_FLAGS = /nologo /W3 /WX /DMSW /DNT /DPD /DWIN32 /DWINDOWS /Ox -DPA_LITTLE_ENDIAN
-PD_WIN_L_FLAGS = /nologo
-
-PD_WIN_LIB = /NODEFAULTLIB:libc /NODEFAULTLIB:oldnames /NODEFAULTLIB:kernel /NODEFAULTLIB:uuid \
- $(VIS_CPP_PATH)\lib\libc.lib \
- $(VIS_CPP_PATH)\lib\oldnames.lib \
- $(VIS_CPP_PATH)\lib\kernel32.lib \
- $(VIS_CPP_PATH)\lib\wsock32.lib \
- $(VIS_CPP_PATH)\lib\winmm.lib \
- $(PD_INST_PATH)\bin\pthreadVC.lib \
- $(PD_INST_PATH)\bin\pd.lib
-
-SRC = biquad_freq_resp.c \
- db2v.c \
- f2note.c \
- filter~.c \
- FIR~.c \
- forpp.c \
- gate.c \
- hml_shelf~.c \
- iem_cot4~.c \
- iem_delay~.c \
- iem_pow4~.c \
- iem_sqrt4~.c \
- lp1_t~.c \
- mov_avrg_kern~.c \
- para_bp2~.c \
- peakenv~.c \
- prvu~.c \
- pvu~.c \
- rvu~.c \
- sin_phase~.c \
- soundfile_info.c \
- split.c \
- v2db.c \
- vcf_filter~.c \
- iemlib1.c
-
-
-OBJ = $(SRC:.c=.obj)
-
-.c.obj:
- cl $(PD_WIN_C_FLAGS) $(PD_WIN_INCLUDE_PATH) /c $*.c
-
-..\..\lib\iemlib1.dll: $(OBJ)
- link $(PD_WIN_L_FLAGS) /dll /export:iemlib1_setup \
- /out:..\..\lib\iemlib1.dll $(OBJ) $(PD_WIN_LIB)
-
-clean:
- del *.obj
diff --git a/src/iemlib1/mov_avrg_kern~.c b/src/iemlib1/mov_avrg_kern~.c
deleted file mode 100644
index 0d1147e..0000000
--- a/src/iemlib1/mov_avrg_kern~.c
+++ /dev/null
@@ -1,135 +0,0 @@
-/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
-* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
-
-iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
-
-
-#include "m_pd.h"
-#include "iemlib.h"
-
-
-/* -- mov_avrg_kern~ - kernel for a moving-average-filter with IIR - */
-
-typedef struct _mov_avrg_kern_tilde
-{
- t_object x_obj;
- double x_wn1;
- double x_a0;
- double x_sr;
- double x_mstime;
- int x_nsamps;
- int x_counter;
- t_float x_msi;
-} t_mov_avrg_kern_tilde;
-
-t_class *mov_avrg_kern_tilde_class;
-
-static t_int *mov_avrg_kern_tilde_perform(t_int *w)
-{
- t_float *in_direct = (t_float *)(w[1]);
- t_float *in_delayed = (t_float *)(w[2]);
- t_float *out = (t_float *)(w[3]);
- t_mov_avrg_kern_tilde *x = (t_mov_avrg_kern_tilde *)(w[4]);
- int i, n = (int)(w[5]);
- double wn0, wn1=x->x_wn1, a0=x->x_a0;
-
- if(x->x_counter)
- {
- int counter = x->x_counter;
-
- if(counter >= n)
- {
- x->x_counter = counter - n;
- for(i=0; i<n; i++)
- {
- wn0 = wn1 + a0*(double)(*in_direct++);
- *out++ = (t_float)wn0;
- wn1 = wn0;
- }
- }
- else
- {
- x->x_counter = 0;
- for(i=0; i<counter; i++)
- {
- wn0 = wn1 + a0*(double)(*in_direct++);
- *out++ = (t_float)wn0;
- wn1 = wn0;
- }
- for(i=counter; i<n; i++)
- {
- wn0 = wn1 + a0*(double)(*in_direct++ - *in_delayed++);
- *out++ = (t_float)wn0;
- wn1 = wn0;
- }
- }
- }
- else
- {
- for(i=0; i<n; i++)
- {
- wn0 = wn1 + a0*(double)(*in_direct++ - *in_delayed++);
- *out++ = (t_float)wn0;
- wn1 = wn0;
- }
- }
- x->x_wn1 = wn1;
- return(w+6);
-}
-
-static void mov_avrg_kern_tilde_ft1(t_mov_avrg_kern_tilde *x, t_floatarg mstime)
-{
- if(mstime < 0.04)
- mstime = 0.04;
- x->x_mstime = (double)mstime;
- x->x_nsamps = (int)(x->x_sr * x->x_mstime);
- x->x_counter = x->x_nsamps;
- x->x_wn1 = 0.0;
- x->x_a0 = 1.0/(double)(x->x_nsamps);
-}
-
-static void mov_avrg_kern_tilde_reset(t_mov_avrg_kern_tilde *x)
-{
- x->x_counter = x->x_nsamps;
- x->x_wn1 = 0.0;
-}
-
-static void mov_avrg_kern_tilde_dsp(t_mov_avrg_kern_tilde *x, t_signal **sp)
-{
- x->x_sr = 0.001*(double)(sp[0]->s_sr);
- x->x_nsamps = (int)(x->x_sr * x->x_mstime);
- x->x_counter = x->x_nsamps;
- x->x_wn1 = 0.0;
- x->x_a0 = 1.0/(double)(x->x_nsamps);
- dsp_add(mov_avrg_kern_tilde_perform, 5, sp[0]->s_vec, sp[1]->s_vec, sp[2]->s_vec, x, sp[0]->s_n);
-}
-
-static void *mov_avrg_kern_tilde_new(t_floatarg mstime)
-{
- t_mov_avrg_kern_tilde *x = (t_mov_avrg_kern_tilde *)pd_new(mov_avrg_kern_tilde_class);
-
- if(mstime < 0.04)
- mstime = 0.04;
- x->x_mstime = (double)mstime;
- x->x_sr = 44.1;
- x->x_nsamps = (int)(x->x_sr * x->x_mstime);
- x->x_counter = x->x_nsamps;
- x->x_wn1 = 0.0;
- x->x_a0 = 1.0/(double)(x->x_nsamps);
-
- inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
- inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1"));
- outlet_new(&x->x_obj, &s_signal);
- x->x_msi = 0;
- return(x);
-}
-
-void mov_avrg_kern_tilde_setup(void)
-{
- mov_avrg_kern_tilde_class = class_new(gensym("mov_avrg_kern~"), (t_newmethod)mov_avrg_kern_tilde_new,
- 0, sizeof(t_mov_avrg_kern_tilde), 0, A_FLOAT, 0);
- CLASS_MAINSIGNALIN(mov_avrg_kern_tilde_class, t_mov_avrg_kern_tilde, x_msi);
- class_addmethod(mov_avrg_kern_tilde_class, (t_method)mov_avrg_kern_tilde_dsp, gensym("dsp"), 0);
- class_addmethod(mov_avrg_kern_tilde_class, (t_method)mov_avrg_kern_tilde_ft1, gensym("ft1"), A_FLOAT, 0);
- class_addmethod(mov_avrg_kern_tilde_class, (t_method)mov_avrg_kern_tilde_reset, gensym("reset"), 0);
-}
diff --git a/src/iemlib1/para_bp2~.c b/src/iemlib1/para_bp2~.c
deleted file mode 100644
index 0cf7771..0000000
--- a/src/iemlib1/para_bp2~.c
+++ /dev/null
@@ -1,418 +0,0 @@
-/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
-* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
-
-iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <math.h>
-
-
-/* ---------- para_bp2~ - parametric bandpass 2. order ----------- */
-
-typedef struct _para_bp2_tilde
-{
- t_object x_obj;
- t_float wn1;
- t_float wn2;
- t_float a0;
- t_float a1;
- t_float a2;
- t_float b1;
- t_float b2;
- t_float sr;
- t_float cur_f;
- t_float cur_l;
- t_float cur_a;
- t_float cur_g;
- t_float delta_f;
- t_float delta_a;
- t_float delta_g;
- t_float end_f;
- t_float end_a;
- t_float end_g;
- t_float ticks_per_interpol_time;
- t_float rcp_ticks;
- t_float interpol_time;
- int ticks;
- int counter_f;
- int counter_a;
- int counter_g;
- int event_mask;
- void *x_debug_outlet;
- t_atom x_at[5];
- t_float x_msi;
-} t_para_bp2_tilde;
-
-t_class *para_bp2_tilde_class;
-
-static void para_bp2_tilde_calc(t_para_bp2_tilde *x)
-{
- t_float l, al, gal, l2, rcp;
-
- l = x->cur_l;
- l2 = l*l + 1.0f;
- al = l*x->cur_a;
- gal = al*x->cur_g;
- rcp = 1.0f/(al + l2);
- x->a0 = rcp*(l2 + gal);
- x->a1 = rcp*2.0f*(2.0f - l2);
- x->a2 = rcp*(l2 - gal);
- x->b1 = -x->a1;
- x->b2 = rcp*(al - l2);
-}
-
-static void para_bp2_tilde_dsp_tick(t_para_bp2_tilde *x)
-{
- if(x->event_mask)
- {
- t_float discriminant;
-
- if(x->counter_f)
- {
- t_float l, si, co;
-
- if(x->counter_f <= 1)
- {
- x->cur_f = x->end_f;
- x->counter_f = 0;
- x->event_mask &= 6;/*set event_mask_bit 0 = 0*/
- }
- else
- {
- x->counter_f--;
- x->cur_f *= x->delta_f;
- }
- l = x->cur_f * x->sr;
- if(l < 1.0e-20f)
- x->cur_l = 1.0e20f;
- else if(l > 1.57079632f)
- x->cur_l = 0.0f;
- else
- {
- si = sin(l);
- co = cos(l);
- x->cur_l = co/si;
- }
- }
- if(x->counter_a)
- {
- if(x->counter_a <= 1)
- {
- x->cur_a = x->end_a;
- x->counter_a = 0;
- x->event_mask &= 5;/*set event_mask_bit 1 = 0*/
- }
- else
- {
- x->counter_a--;
- x->cur_a *= x->delta_a;
- }
- }
- if(x->counter_g)
- {
- if(x->counter_g <= 1)
- {
- x->cur_g = x->end_g;
- x->counter_g = 0;
- x->event_mask &= 3;/*set event_mask_bit 2 = 0*/
- }
- else
- {
- x->counter_g--;
- x->cur_g *= x->delta_g;
- }
- }
-
- para_bp2_tilde_calc(x);
-
- /* stability check */
-
- discriminant = x->b1 * x->b1 + 4.0f * x->b2;
- if(x->b1 <= -1.9999996f)
- x->b1 = -1.9999996f;
- else if(x->b1 >= 1.9999996f)
- x->b1 = 1.9999996f;
-
- if(x->b2 <= -0.9999998f)
- x->b2 = -0.9999998f;
- else if(x->b2 >= 0.9999998f)
- x->b2 = 0.9999998f;
-
- if(discriminant >= 0.0f)
- {
- if(0.9999998f - x->b1 - x->b2 < 0.0f)
- x->b2 = 0.9999998f - x->b1;
- if(0.9999998f + x->b1 - x->b2 < 0.0f)
- x->b2 = 0.9999998f + x->b1;
- }
- }
-}
-
-static t_int *para_bp2_tilde_perform(t_int *w)
-{
- t_float *in = (t_float *)(w[1]);
- t_float *out = (t_float *)(w[2]);
- t_para_bp2_tilde *x = (t_para_bp2_tilde *)(w[3]);
- int i, n = (t_int)(w[4]);
- t_float wn0, wn1=x->wn1, wn2=x->wn2;
- t_float a0=x->a0, a1=x->a1, a2=x->a2;
- t_float b1=x->b1, b2=x->b2;
-
- para_bp2_tilde_dsp_tick(x);
- for(i=0; i<n; i++)
- {
- wn0 = *in++ + b1*wn1 + b2*wn2;
- *out++ = a0*wn0 + a1*wn1 + a2*wn2;
- wn2 = wn1;
- wn1 = wn0;
- }
- /* NAN protect */
- if(IEM_DENORMAL(wn2))
- wn2 = 0.0f;
- if(IEM_DENORMAL(wn1))
- wn1 = 0.0f;
-
- x->wn1 = wn1;
- x->wn2 = wn2;
- return(w+5);
-}
-/* yn0 = *out;
-xn0 = *in;
-*************
-yn0 = a0*xn0 + a1*xn1 + a2*xn2 + b1*yn1 + b2*yn2;
-yn2 = yn1;
-yn1 = yn0;
-xn2 = xn1;
-xn1 = xn0;
-*************************
-y/x = (a0 + a1*z-1 + a2*z-2)/(1 - b1*z-1 - b2*z-2);*/
-
-static t_int *para_bp2_tilde_perf8(t_int *w)
-{
- t_float *in = (t_float *)(w[1]);
- t_float *out = (t_float *)(w[2]);
- t_para_bp2_tilde *x = (t_para_bp2_tilde *)(w[3]);
- int i, n = (t_int)(w[4]);
- t_float wn[10];
- t_float a0=x->a0, a1=x->a1, a2=x->a2;
- t_float b1=x->b1, b2=x->b2;
-
- para_bp2_tilde_dsp_tick(x);
- wn[0] = x->wn2;
- wn[1] = x->wn1;
- for(i=0; i<n; i+=8, in+=8, out+=8)
- {
- wn[2] = in[0] + b1*wn[1] + b2*wn[0];
- out[0] = a0*wn[2] + a1*wn[1] + a2*wn[0];
- wn[3] = in[1] + b1*wn[2] + b2*wn[1];
- out[1] = a0*wn[3] + a1*wn[2] + a2*wn[1];
- wn[4] = in[2] + b1*wn[3] + b2*wn[2];
- out[2] = a0*wn[4] + a1*wn[3] + a2*wn[2];
- wn[5] = in[3] + b1*wn[4] + b2*wn[3];
- out[3] = a0*wn[5] + a1*wn[4] + a2*wn[3];
- wn[6] = in[4] + b1*wn[5] + b2*wn[4];
- out[4] = a0*wn[6] + a1*wn[5] + a2*wn[4];
- wn[7] = in[5] + b1*wn[6] + b2*wn[5];
- out[5] = a0*wn[7] + a1*wn[6] + a2*wn[5];
- wn[8] = in[6] + b1*wn[7] + b2*wn[6];
- out[6] = a0*wn[8] + a1*wn[7] + a2*wn[6];
- wn[9] = in[7] + b1*wn[8] + b2*wn[7];
- out[7] = a0*wn[9] + a1*wn[8] + a2*wn[7];
- wn[0] = wn[8];
- wn[1] = wn[9];
- }
- /* NAN protect */
- if(IEM_DENORMAL(wn[0]))
- wn[0] = 0.0f;
- if(IEM_DENORMAL(wn[1]))
- wn[1] = 0.0f;
-
- x->wn1 = wn[1];
- x->wn2 = wn[0];
- return(w+5);
-}
-
-static void para_bp2_tilde_ft4(t_para_bp2_tilde *x, t_floatarg t)
-{
- int i = (int)((x->ticks_per_interpol_time)*t);
-
- x->interpol_time = t;
- if(i <= 0)
- i = 1;
- x->ticks = i;
- x->rcp_ticks = 1.0f / (t_float)i;
-}
-
-static void para_bp2_tilde_ft3(t_para_bp2_tilde *x, t_floatarg l)
-{
- t_float g = exp(0.11512925465 * l);
-
- if(g != x->cur_g)
- {
- x->end_g = g;
- x->counter_g = x->ticks;
- x->delta_g = exp(log(g/x->cur_g)*x->rcp_ticks);
- x->event_mask |= 4;/*set event_mask_bit 2 = 1*/
- }
-}
-
-static void para_bp2_tilde_ft2(t_para_bp2_tilde *x, t_floatarg q)
-{
- t_float a;
-
- if(q <= 0.0f)
- q = 0.000001f;
- a = 1.0f/q;
- if(a != x->cur_a)
- {
- x->end_a = a;
- x->counter_a = x->ticks;
- x->delta_a = exp(log(a/x->cur_a)*x->rcp_ticks);
- x->event_mask |= 2;/*set event_mask_bit 1 = 1*/
- }
-}
-
-static void para_bp2_tilde_ft1(t_para_bp2_tilde *x, t_floatarg f)
-{
- if(f <= 0.0f)
- f = 0.000001f;
- if(f != x->cur_f)
- {
- x->end_f = f;
- x->counter_f = x->ticks;
- x->delta_f = exp(log(f/x->cur_f)*x->rcp_ticks);
- x->event_mask |= 1;/*set event_mask_bit 0 = 1*/
- }
-}
-
-static void para_bp2_tilde_print(t_para_bp2_tilde *x)
-{
- // post("fb1 = %g, fb2 = %g, ff1 = %g, ff2 = %g, ff3 = %g", x->b1, x->b2, x->a0, x->a1, x->a2);
- x->x_at[0].a_w.w_float = x->b1;
- x->x_at[1].a_w.w_float = x->b2;
- x->x_at[2].a_w.w_float = x->a0;
- x->x_at[3].a_w.w_float = x->a1;
- x->x_at[4].a_w.w_float = x->a2;
- outlet_list(x->x_debug_outlet, &s_list, 5, x->x_at);
-}
-
-static void para_bp2_tilde_dsp(t_para_bp2_tilde *x, t_signal **sp)
-{
- t_float si, co, f;
- int i, n=(int)sp[0]->s_n;
-
- x->sr = 3.14159265358979323846f / (t_float)(sp[0]->s_sr);
- x->ticks_per_interpol_time = 0.001f * (t_float)(sp[0]->s_sr) / (t_float)n;
- i = (int)((x->ticks_per_interpol_time)*(x->interpol_time));
- if(i <= 0)
- i = 1;
- x->ticks = i;
- x->rcp_ticks = 1.0f / (t_float)i;
- f = x->cur_f * x->sr;
- if(f < 1.0e-20f)
- x->cur_l = 1.0e20f;
- else if(f > 1.57079632f)
- x->cur_l = 0.0f;
- else
- {
- si = sin(f);
- co = cos(f);
- x->cur_l = co/si;
- }
- if(n&7)
- dsp_add(para_bp2_tilde_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, n);
- else
- dsp_add(para_bp2_tilde_perf8, 4, sp[0]->s_vec, sp[1]->s_vec, x, n);
-}
-
-static void *para_bp2_tilde_new(t_symbol *s, int argc, t_atom *argv)
-{
- t_para_bp2_tilde *x = (t_para_bp2_tilde *)pd_new(para_bp2_tilde_class);
- int i;
- t_float si, co, f=0.0f, q=1.0f, l=0.0f, interpol=0.0f;
-
- inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1"));
- inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft2"));
- inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft3"));
- inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft4"));
- outlet_new(&x->x_obj, &s_signal);
- x->x_debug_outlet = outlet_new(&x->x_obj, &s_list);
- x->x_msi = 0;
-
- x->x_at[0].a_type = A_FLOAT;
- x->x_at[1].a_type = A_FLOAT;
- x->x_at[2].a_type = A_FLOAT;
- x->x_at[3].a_type = A_FLOAT;
- x->x_at[4].a_type = A_FLOAT;
-
- x->event_mask = 1;
- x->counter_f = 1;
- x->counter_a = 0;
- x->counter_g = 0;
- x->delta_f = 0.0f;
- x->delta_a = 0.0f;
- x->delta_g = 0.0f;
- x->interpol_time = 500.0f;
- x->wn1 = 0.0f;
- x->wn2 = 0.0f;
- x->a0 = 0.0f;
- x->a1 = 0.0f;
- x->a2 = 0.0f;
- x->b1 = 0.0f;
- x->b2 = 0.0f;
- x->sr = 3.14159265358979323846f / 44100.0f;
- x->cur_a = 1.0f;
- if((argc == 4)&&IS_A_FLOAT(argv,3)&&IS_A_FLOAT(argv,2)&&IS_A_FLOAT(argv,1)&&IS_A_FLOAT(argv,0))
- {
- f = (t_float)atom_getfloatarg(0, argc, argv);
- q = (t_float)atom_getfloatarg(1, argc, argv);
- l = (t_float)atom_getfloatarg(2, argc, argv);
- interpol = (t_float)atom_getfloatarg(3, argc, argv);
- }
- if(f <= 0.0f)
- f = 0.000001f;
- x->cur_f = f;
- f *= x->sr;
- if(f < 1.0e-20f)
- x->cur_l = 1.0e20f;
- else if(f > 1.57079632f)
- x->cur_l = 0.0f;
- else
- {
- si = sin(f);
- co = cos(f);
- x->cur_l = co/si;
- }
- if(q <= 0.0f)
- q = 0.000001f;
- x->cur_a = 1.0f/q;
- x->cur_g = exp(0.11512925465 * l);
- if(interpol <= 0.0f)
- interpol = 0.0f;
- x->interpol_time = interpol;
- x->ticks_per_interpol_time = 0.5f;
- i = (int)((x->ticks_per_interpol_time)*(x->interpol_time));
- if(i <= 0)
- i = 1;
- x->ticks = i;
- x->rcp_ticks = 1.0f / (t_float)i;
- x->end_f = x->cur_f;
- x->end_a = x->cur_a;
- x->end_g = x->cur_g;
- return(x);
-}
-
-void para_bp2_tilde_setup(void)
-{
- para_bp2_tilde_class = class_new(gensym("para_bp2~"), (t_newmethod)para_bp2_tilde_new,
- 0, sizeof(t_para_bp2_tilde), 0, A_GIMME, 0);
- CLASS_MAINSIGNALIN(para_bp2_tilde_class, t_para_bp2_tilde, x_msi);
- class_addmethod(para_bp2_tilde_class, (t_method)para_bp2_tilde_dsp, gensym("dsp"), 0);
- class_addmethod(para_bp2_tilde_class, (t_method)para_bp2_tilde_ft1, gensym("ft1"), A_FLOAT, 0);
- class_addmethod(para_bp2_tilde_class, (t_method)para_bp2_tilde_ft2, gensym("ft2"), A_FLOAT, 0);
- class_addmethod(para_bp2_tilde_class, (t_method)para_bp2_tilde_ft3, gensym("ft3"), A_FLOAT, 0);
- class_addmethod(para_bp2_tilde_class, (t_method)para_bp2_tilde_ft4, gensym("ft4"), A_FLOAT, 0);
- class_addmethod(para_bp2_tilde_class, (t_method)para_bp2_tilde_print, gensym("print"), 0);
- class_sethelpsymbol(para_bp2_tilde_class, gensym("iemhelp/help-para_bp2~"));
-}
diff --git a/src/iemlib1/peakenv~.c b/src/iemlib1/peakenv~.c
deleted file mode 100644
index d5d212b..0000000
--- a/src/iemlib1/peakenv~.c
+++ /dev/null
@@ -1,95 +0,0 @@
-/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
-* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
-
-iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
-
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <math.h>
-
-/* ---------------- peakenv~ - simple peak-envelope-converter. ----------------- */
-
-typedef struct _peakenv_tilde
-{
- t_object x_obj;
- t_float x_sr;
- t_float x_old_peak;
- t_float x_c1;
- t_float x_releasetime;
- t_float x_msi;
-} t_peakenv_tilde;
-
-t_class *peakenv_tilde_class;
-
-static void peakenv_tilde_reset(t_peakenv_tilde *x)
-{
- x->x_old_peak = 0.0f;
-}
-
-static void peakenv_tilde_ft1(t_peakenv_tilde *x, t_floatarg f)/* release-time in ms */
-{
- if(f < 0.0f)
- f = 0.0f;
- x->x_releasetime = f;
- x->x_c1 = exp(-1.0/(x->x_sr*0.001*x->x_releasetime));
-}
-
-static t_int *peakenv_tilde_perform(t_int *w)
-{
- t_float *in = (t_float *)(w[1]);
- t_float *out = (t_float *)(w[2]);
- t_peakenv_tilde *x = (t_peakenv_tilde *)(w[3]);
- int n = (int)(w[4]);
- t_float peak = x->x_old_peak;
- t_float c1 = x->x_c1;
- t_float absolute;
- int i;
-
- for(i=0; i<n; i++)
- {
- absolute = fabs(*in++);
- peak *= c1;
- if(absolute > peak)
- peak = absolute;
- *out++ = peak;
- }
- /* NAN protect */
- if(IEM_DENORMAL(peak))
- peak = 0.0f;
- x->x_old_peak = peak;
- return(w+5);
-}
-
-static void peakenv_tilde_dsp(t_peakenv_tilde *x, t_signal **sp)
-{
- x->x_sr = (t_float)sp[0]->s_sr;
- peakenv_tilde_ft1(x, x->x_releasetime);
- dsp_add(peakenv_tilde_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, sp[0]->s_n);
-}
-
-static void *peakenv_tilde_new(t_floatarg f)
-{
- t_peakenv_tilde *x = (t_peakenv_tilde *)pd_new(peakenv_tilde_class);
-
- if(f <= 0.0f)
- f = 0.0f;
- x->x_sr = 44100.0f;
- peakenv_tilde_ft1(x, f);
- x->x_old_peak = 0.0f;
- inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1"));
- outlet_new(&x->x_obj, &s_signal);
- x->x_msi = 0;
- return(x);
-}
-
-void peakenv_tilde_setup(void)
-{
- peakenv_tilde_class = class_new(gensym("peakenv~"), (t_newmethod)peakenv_tilde_new,
- 0, sizeof(t_peakenv_tilde), 0, A_DEFFLOAT, 0);
- CLASS_MAINSIGNALIN(peakenv_tilde_class, t_peakenv_tilde, x_msi);
- class_addmethod(peakenv_tilde_class, (t_method)peakenv_tilde_dsp, gensym("dsp"), 0);
- class_addmethod(peakenv_tilde_class, (t_method)peakenv_tilde_ft1, gensym("ft1"), A_FLOAT, 0);
- class_addmethod(peakenv_tilde_class, (t_method)peakenv_tilde_reset, gensym("reset"), 0);
- class_sethelpsymbol(peakenv_tilde_class, gensym("iemhelp/help-peakenv~"));
-}
diff --git a/src/iemlib1/prvu~.c b/src/iemlib1/prvu~.c
deleted file mode 100644
index aed7c53..0000000
--- a/src/iemlib1/prvu~.c
+++ /dev/null
@@ -1,274 +0,0 @@
-/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
-* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
-
-iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <math.h>
-
-/* ---------------- prvu~ - simple peak&rms-vu-meter. ----------------- */
-
-typedef struct _prvu_tilde
-{
- t_object x_obj;
- t_atom x_at[3];
- void *x_clock_metro;
- t_float x_metro_time;
- void *x_clock_hold;
- t_float x_hold_time;
- t_float x_cur_peak;
- t_float x_old_peak;
- t_float x_hold_peak;
- int x_hold;
- t_float x_sum_rms;
- t_float x_old_rms;
- t_float x_rcp;
- t_float x_sr;
- t_float x_threshold_over;
- int x_overflow_counter;
- t_float x_release_time;
- t_float x_c1;
- int x_started;
- t_float x_msi;
-} t_prvu_tilde;
-
-t_class *prvu_tilde_class;
-static void prvu_tilde_tick_metro(t_prvu_tilde *x);
-static void prvu_tilde_tick_hold(t_prvu_tilde *x);
-
-static void prvu_tilde_reset(t_prvu_tilde *x)
-{
- x->x_at[0].a_w.w_float = -99.9f;
- x->x_at[1].a_w.w_float = -99.9f;
- x->x_at[2].a_w.w_float = 0.0f;
- outlet_list(x->x_obj.ob_outlet, &s_list, 3, x->x_at);
- x->x_overflow_counter = 0;
- x->x_cur_peak = 0.0f;
- x->x_old_peak = 0.0f;
- x->x_hold_peak = 0.0f;
- x->x_sum_rms = 0.0f;
- x->x_old_rms = 0.0f;
- x->x_hold = 0;
- clock_unset(x->x_clock_hold);
- clock_delay(x->x_clock_metro, x->x_metro_time);
-}
-
-static void prvu_tilde_stop(t_prvu_tilde *x)
-{
- clock_unset(x->x_clock_metro);
- x->x_started = 0;
-}
-
-static void prvu_tilde_start(t_prvu_tilde *x)
-{
- clock_delay(x->x_clock_metro, x->x_metro_time);
- x->x_started = 1;
-}
-
-static void prvu_tilde_float(t_prvu_tilde *x, t_floatarg f)
-{
- if(f == 0.0)
- {
- clock_unset(x->x_clock_metro);
- x->x_started = 0;
- }
- else
- {
- clock_delay(x->x_clock_metro, x->x_metro_time);
- x->x_started = 1;
- }
-}
-
-static void prvu_tilde_t_release(t_prvu_tilde *x, t_floatarg release_time)
-{
- if(release_time <= 5.0f)
- release_time = 5.0f;
- x->x_release_time = release_time;
- x->x_c1 = exp(-2.0f*x->x_metro_time/x->x_release_time);
-}
-
-static void prvu_tilde_t_metro(t_prvu_tilde *x, t_floatarg metro_time)
-{
- if(metro_time <= 5.0f)
- metro_time = 5.0f;
- x->x_metro_time = metro_time;
- x->x_c1 = exp(-2.0f*x->x_metro_time/x->x_release_time);
- x->x_rcp = 1.0f/(x->x_sr*(t_float)x->x_metro_time);
-}
-
-static void prvu_tilde_t_hold(t_prvu_tilde *x, t_floatarg hold_time)
-{
- if(hold_time <= 5.0f)
- hold_time = 5.0f;
- x->x_hold_time = hold_time;
-}
-
-static void prvu_tilde_threshold(t_prvu_tilde *x, t_floatarg thresh)
-{
- x->x_threshold_over = thresh;
-}
-
-static t_int *prvu_tilde_perform(t_int *w)
-{
- t_float *in = (t_float *)(w[1]);
- t_prvu_tilde *x = (t_prvu_tilde *)(w[2]);
- int n = (int)(w[3]);
- t_float peak = x->x_cur_peak, power, sum=x->x_sum_rms;
- int i;
-
- if(x->x_started)
- {
- for(i=0; i<n; i++)
- {
- power = in[i]*in[i];
- if(power > peak)
- peak = power;
- sum += power;
- }
- x->x_cur_peak = peak;
- x->x_sum_rms = sum;
- }
- return(w+4);
-}
-
-static void prvu_tilde_dsp(t_prvu_tilde *x, t_signal **sp)
-{
- x->x_sr = 0.001*(t_float)sp[0]->s_sr;
- x->x_rcp = 1.0f/(x->x_sr*x->x_metro_time);
- dsp_add(prvu_tilde_perform, 3, sp[0]->s_vec, x, sp[0]->s_n);
- clock_delay(x->x_clock_metro, x->x_metro_time);
-}
-
-static void prvu_tilde_tick_hold(t_prvu_tilde *x)
-{
- x->x_hold = 0;
- x->x_hold_peak = x->x_old_peak;
-}
-
-static void prvu_tilde_tick_metro(t_prvu_tilde *x)
-{
- t_float dbr, dbp, cur_rms, c1=x->x_c1;
-
- x->x_old_peak *= c1;
- /* NAN protect */
- if(IEM_DENORMAL(x->x_old_peak))
- x->x_old_peak = 0.0f;
-
- if(x->x_cur_peak > x->x_old_peak)
- x->x_old_peak = x->x_cur_peak;
- if(x->x_old_peak > x->x_hold_peak)
- {
- x->x_hold = 1;
- x->x_hold_peak = x->x_old_peak;
- clock_delay(x->x_clock_hold, x->x_hold_time);
- }
- if(!x->x_hold)
- x->x_hold_peak = x->x_old_peak;
- if(x->x_hold_peak <= 0.0000000001f)
- dbp = -99.9f;
- else if(x->x_hold_peak > 1000000.0f)
- {
- dbp = 60.0f;
- x->x_hold_peak = 1000000.0f;
- x->x_old_peak = 1000000.0f;
- }
- else
- dbp = 4.3429448195f*log(x->x_hold_peak);
- x->x_cur_peak = 0.0f;
- if(dbp >= x->x_threshold_over)
- x->x_overflow_counter++;
- x->x_at[1].a_w.w_float = dbp;
- x->x_at[2].a_w.w_float = (t_float)x->x_overflow_counter;
-
- cur_rms = (1.0f - c1)*x->x_sum_rms*x->x_rcp + c1*x->x_old_rms;
- /* NAN protect */
- if(IEM_DENORMAL(cur_rms))
- cur_rms = 0.0f;
-
- if(cur_rms <= 0.0000000001f)
- dbr = -99.9f;
- else if(cur_rms > 1000000.0f)
- {
- dbr = 60.0f;
- x->x_old_rms = 1000000.0f;
- }
- else
- dbr = 4.3429448195f*log(cur_rms);
- x->x_sum_rms = 0.0f;
- x->x_old_rms = cur_rms;
- x->x_at[0].a_w.w_float = dbr;
- outlet_list(x->x_obj.ob_outlet, &s_list, 3, x->x_at);
- clock_delay(x->x_clock_metro, x->x_metro_time);
-}
-
-static void prvu_tilde_ff(t_prvu_tilde *x)
-{
- clock_free(x->x_clock_metro);
- clock_free(x->x_clock_hold);
-}
-
-static void *prvu_tilde_new(t_floatarg metro_time, t_floatarg hold_time,
- t_floatarg release_time, t_floatarg threshold)
-{
- t_prvu_tilde *x;
- t_float t;
- int i;
-
- x = (t_prvu_tilde *)pd_new(prvu_tilde_class);
- if(metro_time <= 0.0f)
- metro_time = 300.0f;
- if(metro_time <= 5.0f)
- metro_time = 5.0f;
- if(release_time <= 0.0f)
- release_time = 300.0f;
- if(release_time <= 5.0f)
- release_time = 5.0f;
- if(hold_time <= 0.0f)
- hold_time = 1000.0f;
- if(hold_time <= 5.0f)
- hold_time = 5.0f;
- if(threshold == 0.0f)
- threshold = -0.01f;
- x->x_metro_time = metro_time;
- x->x_release_time = release_time;
- x->x_hold_time = hold_time;
- x->x_threshold_over = threshold;
- x->x_c1 = exp(-2.0f*x->x_metro_time/x->x_release_time);
- x->x_cur_peak = 0.0f;
- x->x_old_peak = 0.0f;
- x->x_hold_peak = 0.0f;
- x->x_hold = 0;
- x->x_sum_rms = 0.0f;
- x->x_old_rms = 0.0f;
- x->x_sr = 44.1f;
- x->x_rcp = 1.0f/(x->x_sr*x->x_metro_time);
- x->x_overflow_counter = 0;
- x->x_clock_metro = clock_new(x, (t_method)prvu_tilde_tick_metro);
- x->x_clock_hold = clock_new(x, (t_method)prvu_tilde_tick_hold);
- x->x_started = 1;
- outlet_new(&x->x_obj, &s_list);
- x->x_at[0].a_type = A_FLOAT;
- x->x_at[1].a_type = A_FLOAT;
- x->x_at[2].a_type = A_FLOAT;
- x->x_msi = 0.0f;
- return(x);
-}
-
-void prvu_tilde_setup(void)
-{
- prvu_tilde_class = class_new(gensym("prvu~"), (t_newmethod)prvu_tilde_new,
- (t_method)prvu_tilde_ff, sizeof(t_prvu_tilde), 0,
- A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, 0);
- CLASS_MAINSIGNALIN(prvu_tilde_class, t_prvu_tilde, x_msi);
- class_addmethod(prvu_tilde_class, (t_method)prvu_tilde_dsp, gensym("dsp"), 0);
- class_addfloat(prvu_tilde_class, prvu_tilde_float);
- class_addmethod(prvu_tilde_class, (t_method)prvu_tilde_reset, gensym("reset"), 0);
- class_addmethod(prvu_tilde_class, (t_method)prvu_tilde_start, gensym("start"), 0);
- class_addmethod(prvu_tilde_class, (t_method)prvu_tilde_stop, gensym("stop"), 0);
- class_addmethod(prvu_tilde_class, (t_method)prvu_tilde_t_release, gensym("t_release"), A_FLOAT, 0);
- class_addmethod(prvu_tilde_class, (t_method)prvu_tilde_t_metro, gensym("t_metro"), A_FLOAT, 0);
- class_addmethod(prvu_tilde_class, (t_method)prvu_tilde_t_hold, gensym("t_hold"), A_FLOAT, 0);
- class_addmethod(prvu_tilde_class, (t_method)prvu_tilde_threshold, gensym("threshold"), A_FLOAT, 0);
- class_sethelpsymbol(prvu_tilde_class, gensym("iemhelp/help-prvu~"));
-}
diff --git a/src/iemlib1/pvu~.c b/src/iemlib1/pvu~.c
deleted file mode 100644
index 66e9437..0000000
--- a/src/iemlib1/pvu~.c
+++ /dev/null
@@ -1,198 +0,0 @@
-/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
-* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
-
-iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <math.h>
-
-/* ---------------- pvu~ - simple peak-vu-meter. ----------------- */
-
-typedef struct _pvu_tilde
-{
- t_object x_obj;
- void *x_outlet_meter;
- void *x_outlet_over;
- void *x_clock;
- t_float x_cur_peak;
- t_float x_old_peak;
- t_float x_threshold_over;
- t_float x_c1;
- t_float x_metro_time;
- t_float x_release_time;
- int x_overflow_counter;
- int x_started;
- t_float x_msi;
-} t_pvu_tilde;
-
-t_class *pvu_tilde_class;
-static void pvu_tilde_tick(t_pvu_tilde *x);
-
-static void pvu_tilde_reset(t_pvu_tilde *x)
-{
- outlet_float(x->x_outlet_over, 0.0f);
- outlet_float(x->x_outlet_meter, -199.9f);
- x->x_overflow_counter = 0;
- x->x_cur_peak = 0.0f;
- x->x_old_peak = 0.0f;
- clock_delay(x->x_clock, x->x_metro_time);
-}
-
-static void pvu_tilde_stop(t_pvu_tilde *x)
-{
- clock_unset(x->x_clock);
- x->x_started = 0;
-}
-
-static void pvu_tilde_start(t_pvu_tilde *x)
-{
- clock_delay(x->x_clock, x->x_metro_time);
- x->x_started = 1;
-}
-
-static void pvu_tilde_float(t_pvu_tilde *x, t_floatarg f)
-{
- if(f == 0.0)
- {
- clock_unset(x->x_clock);
- x->x_started = 0;
- }
- else
- {
- clock_delay(x->x_clock, x->x_metro_time);
- x->x_started = 1;
- }
-}
-
-static void pvu_tilde_t_release(t_pvu_tilde *x, t_floatarg release_time)
-{
- if(release_time <= 5.0f)
- release_time = 5.0f;
- x->x_release_time = release_time;
- x->x_c1 = exp(-x->x_metro_time/release_time);
-}
-
-static void pvu_tilde_t_metro(t_pvu_tilde *x, t_floatarg metro_time)
-{
- if(metro_time <= 5.0f)
- metro_time = 5.0f;
- x->x_metro_time = (int)metro_time;
- x->x_c1 = exp(-metro_time/x->x_release_time);
-}
-
-static void pvu_tilde_threshold(t_pvu_tilde *x, t_floatarg thresh)
-{
- x->x_threshold_over = thresh;
-}
-
-static t_int *pvu_tilde_perform(t_int *w)
-{
- t_float *in = (t_float *)(w[1]);
- t_pvu_tilde *x = (t_pvu_tilde *)(w[2]);
- int n = (int)(w[3]);
- t_float peak = x->x_cur_peak;
- t_float absolute;
- int i;
-
- if(x->x_started)
- {
- for(i=0; i<n; i++)
- {
- absolute = fabs(*in++);
- if(absolute > peak)
- peak = absolute;
- }
- x->x_cur_peak = peak;
- }
- return(w+4);
-}
-
-static void pvu_tilde_dsp(t_pvu_tilde *x, t_signal **sp)
-{
- dsp_add(pvu_tilde_perform, 3, sp[0]->s_vec, x, sp[0]->s_n);
- clock_delay(x->x_clock, x->x_metro_time);
-}
-
-static void pvu_tilde_tick(t_pvu_tilde *x)
-{
- t_float db;
- int i;
-
- x->x_old_peak *= x->x_c1;
- /* NAN protect */
- if(IEM_DENORMAL(x->x_old_peak))
- x->x_old_peak = 0.0f;
-
- if(x->x_cur_peak > x->x_old_peak)
- x->x_old_peak = x->x_cur_peak;
- if(x->x_old_peak <= 0.0000000001f)
- db = -199.9f;
- else if(x->x_old_peak > 1000000.0f)
- {
- db = 120.0f;
- x->x_old_peak = 1000000.0f;
- }
- else
- db = 8.6858896381f*log(x->x_old_peak);
- if(db >= x->x_threshold_over)
- {
- x->x_overflow_counter++;
- outlet_float(x->x_outlet_over, (t_float)x->x_overflow_counter);
- }
- outlet_float(x->x_outlet_meter, db);
- x->x_cur_peak = 0.0f;
- clock_delay(x->x_clock, x->x_metro_time);
-}
-
-static void *pvu_tilde_new(t_floatarg metro_time, t_floatarg release_time, t_floatarg threshold)
-{
- t_pvu_tilde *x;
- t_float t;
-
- x = (t_pvu_tilde *)pd_new(pvu_tilde_class);
- if(metro_time <= 0.0f)
- metro_time = 300.0f;
- if(metro_time <= 5.0f)
- metro_time = 5.0f;
- if(release_time <= 0.0f)
- release_time = 300.0f;
- if(release_time <= 5.0f)
- release_time = 5.0f;
- if(threshold == 0.0f)
- threshold = -0.01f;
- x->x_threshold_over = threshold;
- x->x_overflow_counter = 0;
- x->x_metro_time = metro_time;
- x->x_release_time = release_time;
- x->x_c1 = exp(-metro_time/release_time);
- x->x_cur_peak = 0.0f;
- x->x_old_peak = 0.0f;
- x->x_clock = clock_new(x, (t_method)pvu_tilde_tick);
- x->x_outlet_meter = outlet_new(&x->x_obj, &s_float);/* left */
- x->x_outlet_over = outlet_new(&x->x_obj, &s_float); /* right */
- x->x_started = 1;
- x->x_msi = 0;
- return(x);
-}
-
-static void pvu_tilde_ff(t_pvu_tilde *x)
-{
- clock_free(x->x_clock);
-}
-
-void pvu_tilde_setup(void )
-{
- pvu_tilde_class = class_new(gensym("pvu~"), (t_newmethod)pvu_tilde_new,
- (t_method)pvu_tilde_ff, sizeof(t_pvu_tilde), 0, A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, 0);
- CLASS_MAINSIGNALIN(pvu_tilde_class, t_pvu_tilde, x_msi);
- class_addmethod(pvu_tilde_class, (t_method)pvu_tilde_dsp, gensym("dsp"), 0);
- class_addfloat(pvu_tilde_class, pvu_tilde_float);
- class_addmethod(pvu_tilde_class, (t_method)pvu_tilde_reset, gensym("reset"), 0);
- class_addmethod(pvu_tilde_class, (t_method)pvu_tilde_start, gensym("start"), 0);
- class_addmethod(pvu_tilde_class, (t_method)pvu_tilde_stop, gensym("stop"), 0);
- class_addmethod(pvu_tilde_class, (t_method)pvu_tilde_t_release, gensym("t_release"), A_FLOAT, 0);
- class_addmethod(pvu_tilde_class, (t_method)pvu_tilde_t_metro, gensym("t_metro"), A_FLOAT, 0);
- class_addmethod(pvu_tilde_class, (t_method)pvu_tilde_threshold, gensym("threshold"), A_FLOAT, 0);
- class_sethelpsymbol(pvu_tilde_class, gensym("iemhelp/help-pvu~"));
-}
diff --git a/src/iemlib1/rvu~.c b/src/iemlib1/rvu~.c
deleted file mode 100644
index 21638d5..0000000
--- a/src/iemlib1/rvu~.c
+++ /dev/null
@@ -1,178 +0,0 @@
-/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
-* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
-
-iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
-
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <math.h>
-
-/* ---------------- rvu~ - simple peak&rms-vu-meter. ----------------- */
-
-typedef struct _rvu_tilde
-{
- t_object x_obj;
- void *x_clock_metro;
- t_float x_metro_time;
- t_float x_sum_rms;
- t_float x_old_rms;
- t_float x_rcp;
- t_float x_sr;
- t_float x_release_time;
- t_float x_c1;
- int x_started;
- t_float x_msi;
-} t_rvu_tilde;
-
-t_class *rvu_tilde_class;
-static void rvu_tilde_tick_metro(t_rvu_tilde *x);
-
-static void rvu_tilde_reset(t_rvu_tilde *x)
-{
- outlet_float(x->x_obj.ob_outlet, -99.9f);
- x->x_sum_rms = 0.0f;
- x->x_old_rms = 0.0f;
- clock_delay(x->x_clock_metro, x->x_metro_time);
-}
-
-static void rvu_tilde_stop(t_rvu_tilde *x)
-{
- clock_unset(x->x_clock_metro);
- x->x_started = 0;
-}
-
-static void rvu_tilde_start(t_rvu_tilde *x)
-{
- clock_delay(x->x_clock_metro, x->x_metro_time);
- x->x_started = 1;
-}
-
-static void rvu_tilde_float(t_rvu_tilde *x, t_floatarg f)
-{
- if(f == 0.0f)
- {
- clock_unset(x->x_clock_metro);
- x->x_started = 0;
- }
- else
- {
- clock_delay(x->x_clock_metro, x->x_metro_time);
- x->x_started = 1;
- }
-}
-
-static void rvu_tilde_t_release(t_rvu_tilde *x, t_floatarg release_time)
-{
- if(release_time <= 5.0f)
- release_time = 5.0f;
- x->x_release_time = release_time;
- x->x_c1 = exp(-2.0f*x->x_metro_time/x->x_release_time);
-}
-
-static void rvu_tilde_t_metro(t_rvu_tilde *x, t_floatarg metro_time)
-{
- if(metro_time <= 5.0f)
- metro_time = 5.0f;
- x->x_metro_time = metro_time;
- x->x_c1 = exp(-2.0f*x->x_metro_time/x->x_release_time);
- x->x_rcp = 1.0f/(x->x_sr*x->x_metro_time);
-}
-
-static t_int *rvu_tilde_perform(t_int *w)
-{
- t_float *in = (t_float *)(w[1]);
- t_rvu_tilde *x = (t_rvu_tilde *)(w[2]);
- int n = (int)(w[3]);
- t_float sum=x->x_sum_rms;
- int i;
-
- if(x->x_started)
- {
- for(i=0; i<n; i++)
- {
- sum += in[i]*in[i];
- }
- x->x_sum_rms = sum;
- }
- return(w+4);
-}
-
-static void rvu_tilde_dsp(t_rvu_tilde *x, t_signal **sp)
-{
- x->x_sr = 0.001*(t_float)sp[0]->s_sr;
- x->x_rcp = 1.0f/(x->x_sr*x->x_metro_time);
- dsp_add(rvu_tilde_perform, 3, sp[0]->s_vec, x, sp[0]->s_n);
- clock_delay(x->x_clock_metro, x->x_metro_time);
-}
-
-static void rvu_tilde_tick_metro(t_rvu_tilde *x)
-{
- t_float dbr, cur_rms, c1=x->x_c1;
-
- cur_rms = (1.0f - c1)*x->x_sum_rms*x->x_rcp + c1*x->x_old_rms;
- /* NAN protect */
- if(IEM_DENORMAL(cur_rms))
- cur_rms = 0.0f;
-
- if(cur_rms <= 0.0000000001f)
- dbr = -99.9f;
- else if(cur_rms > 1000000.0f)
- {
- dbr = 60.0f;
- x->x_old_rms = 1000000.0f;
- }
- else
- dbr = 4.3429448195f*log(cur_rms);
- x->x_sum_rms = 0.0f;
- x->x_old_rms = cur_rms;
- outlet_float(x->x_obj.ob_outlet, dbr);
- clock_delay(x->x_clock_metro, x->x_metro_time);
-}
-
-static void rvu_tilde_ff(t_rvu_tilde *x)
-{
- clock_free(x->x_clock_metro);
-}
-
-static void *rvu_tilde_new(t_floatarg metro_time, t_floatarg release_time)
-{
- t_rvu_tilde *x=(t_rvu_tilde *)pd_new(rvu_tilde_class);
-
- if(metro_time <= 0.0f)
- metro_time = 300.0f;
- if(metro_time <= 5.0f)
- metro_time = 5.0f;
- if(release_time <= 0.0f)
- release_time = 300.0f;
- if(release_time <= 5.0f)
- release_time = 5.0f;
- x->x_metro_time = metro_time;
- x->x_release_time = release_time;
- x->x_c1 = exp(-2.0f*x->x_metro_time/x->x_release_time);
- x->x_sum_rms = 0.0f;
- x->x_old_rms = 0.0f;
- x->x_sr = 44.1f;
- x->x_rcp = 1.0f/(x->x_sr*x->x_metro_time);
- x->x_clock_metro = clock_new(x, (t_method)rvu_tilde_tick_metro);
- x->x_started = 1;
- outlet_new(&x->x_obj, &s_float);
- x->x_msi = 0.0f;
- return(x);
-}
-
-void rvu_tilde_setup(void)
-{
- rvu_tilde_class = class_new(gensym("rvu~"), (t_newmethod)rvu_tilde_new,
- (t_method)rvu_tilde_ff, sizeof(t_rvu_tilde), 0,
- A_DEFFLOAT, A_DEFFLOAT, 0);
- CLASS_MAINSIGNALIN(rvu_tilde_class, t_rvu_tilde, x_msi);
- class_addmethod(rvu_tilde_class, (t_method)rvu_tilde_dsp, gensym("dsp"), 0);
- class_addfloat(rvu_tilde_class, rvu_tilde_float);
- class_addmethod(rvu_tilde_class, (t_method)rvu_tilde_reset, gensym("reset"), 0);
- class_addmethod(rvu_tilde_class, (t_method)rvu_tilde_start, gensym("start"), 0);
- class_addmethod(rvu_tilde_class, (t_method)rvu_tilde_stop, gensym("stop"), 0);
- class_addmethod(rvu_tilde_class, (t_method)rvu_tilde_t_release, gensym("t_release"), A_FLOAT, 0);
- class_addmethod(rvu_tilde_class, (t_method)rvu_tilde_t_metro, gensym("t_metro"), A_FLOAT, 0);
- class_sethelpsymbol(rvu_tilde_class, gensym("iemhelp/help-rvu~"));
-}
diff --git a/src/iemlib1/sin_phase~.c b/src/iemlib1/sin_phase~.c
deleted file mode 100644
index baf34f4..0000000
--- a/src/iemlib1/sin_phase~.c
+++ /dev/null
@@ -1,121 +0,0 @@
-/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
-* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
-
-iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
-
-#include "m_pd.h"
-#include "iemlib.h"
-
-/* --- sin_phase~ - output the phase-difference between --- */
-/* --- 2 sinewaves with the same frequency in samples ----- */
-/* --- as a signal ---------------------------------------- */
-
-typedef struct _sin_phase_tilde
-{
- t_object x_obj;
- t_float x_prev1;
- t_float x_prev2;
- t_float x_cur_out;
- int x_counter1;
- int x_counter2;
- int x_state1;
- int x_state2;
- t_float x_msi;
-} t_sin_phase_tilde;
-
-t_class *sin_phase_tilde_class;
-
-static t_int *sin_phase_tilde_perform(t_int *w)
-{
- t_float *in1 = (t_float *)(w[1]);
- t_float *in2 = (t_float *)(w[2]);
- t_float *out = (t_float *)(w[3]);
- t_sin_phase_tilde *x = (t_sin_phase_tilde *)(w[4]);
- int i, n = (t_int)(w[5]);
- t_float prev1=x->x_prev1;
- t_float prev2=x->x_prev2;
- t_float cur_out=x->x_cur_out;
- int counter1=x->x_counter1;
- int counter2=x->x_counter2;
- int state1=x->x_state1;
- int state2=x->x_state2;
-
- for(i=0; i<n; i++)
- {
- if((in1[i] >= 0.0f) && (prev1 < 0.0f))
- {/* pos. zero cross of sig_in_1 */
- state1 = 1;
- counter1 = 0;
- }
- else if((in1[i] < 0.0f) && (prev1 >= 0.0f))
- {/* neg. zero cross of sig_in_1 */
- state2 = 1;
- counter2 = 0;
- }
-
- if((in2[i] >= 0.0f) && (prev2 < 0.0f))
- {/* pos. zero cross of sig_in_2 */
- state1 = 0;
- cur_out = (t_float)(counter1);
- counter1 = 0;
- }
- else if((in2[i] < 0.0f) && (prev2 >= 0.0f))
- {/* neg. zero cross of sig_in_2 */
- state2 = 0;
- cur_out = (t_float)(counter2);
- counter2 = 0;
- }
-
- if(state1)
- counter1++;
- if(state2)
- counter2++;
-
- prev1 = in1[i];
- prev2 = in2[i];
- out[i] = cur_out;
- }
-
- x->x_prev1 = prev1;
- x->x_prev2 = prev2;
- x->x_cur_out = cur_out;
- x->x_counter1 = counter1;
- x->x_counter2 = counter2;
- x->x_state1 = state1;
- x->x_state2 = state2;
-
- return(w+6);
-}
-
-static void sin_phase_tilde_dsp(t_sin_phase_tilde *x, t_signal **sp)
-{
- dsp_add(sin_phase_tilde_perform, 5, sp[0]->s_vec, sp[1]->s_vec, sp[2]->s_vec, x, sp[0]->s_n);
-}
-
-static void *sin_phase_tilde_new(void)
-{
- t_sin_phase_tilde *x = (t_sin_phase_tilde *)pd_new(sin_phase_tilde_class);
-
- inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
- outlet_new(&x->x_obj, &s_signal);
-
- x->x_prev1 = 0.0f;
- x->x_prev2 = 0.0f;
- x->x_cur_out = 0.0f;
- x->x_counter1 = 0;
- x->x_counter2 = 0;
- x->x_state1 = 0;
- x->x_state2 = 0;
- x->x_msi = 0;
-
- return (x);
-}
-
-void sin_phase_tilde_setup(void)
-{
- sin_phase_tilde_class = class_new(gensym("sin_phase~"), (t_newmethod)sin_phase_tilde_new,
- 0, sizeof(t_sin_phase_tilde), 0, 0);
- CLASS_MAINSIGNALIN(sin_phase_tilde_class, t_sin_phase_tilde, x_msi);
- class_addmethod(sin_phase_tilde_class, (t_method)sin_phase_tilde_dsp, gensym("dsp"), 0);
- class_sethelpsymbol(sin_phase_tilde_class, gensym("iemhelp/help-sin_phase~"));
-}
diff --git a/src/iemlib1/soundfile_info.c b/src/iemlib1/soundfile_info.c
deleted file mode 100644
index 1eb4ded..0000000
--- a/src/iemlib1/soundfile_info.c
+++ /dev/null
@@ -1,256 +0,0 @@
-/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
-* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
-
-iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <stdlib.h>
-#include <string.h>
-#include <stdio.h>
-#include <math.h>
-
-#define SFI_HEADER_SAMPLERATE 0
-#define SFI_HEADER_FILENAME 1
-#define SFI_HEADER_MULTICHANNEL_FILE_LENGTH 2
-#define SFI_HEADER_HEADERBYTES 3
-#define SFI_HEADER_CHANNELS 4
-#define SFI_HEADER_BYTES_PER_SAMPLE 5
-#define SFI_HEADER_ENDINESS 6
-
-#define SFI_HEADER_SIZE 7
-
-
-
-/* --------------------------- soundfile_info -------------------------------- */
-/* -- reads only header of a wave-file and outputs the important parameters -- */
-
-static t_class *soundfile_info_class;
-
-typedef struct _soundfile_info
-{
- t_object x_obj;
- long *x_begmem;
- int x_size;
- t_atom x_atheader[SFI_HEADER_SIZE];
- t_canvas *x_canvas;
- void *x_list_out;
-} t_soundfile_info;
-
-static short soundfile_info_str2short(char *cvec)
-{
- short s=0;
- unsigned char *uc=(unsigned char *)cvec;
-
- s += (short)(*uc);
- s += (short)(*(uc+1)*256);
- return(s);
-}
-
-static long soundfile_info_str2long(char *cvec)
-{
- long l=0;
- unsigned char *uc=(unsigned char *)cvec;
-
- l += (long)(*uc);
- l += (long)(*(uc+1)*256);
- l += (long)(*(uc+2)*65536);
- l += (long)(*(uc+3)*16777216);
- return(l);
-}
-
-static void soundfile_info_read(t_soundfile_info *x, t_symbol *filename)
-{
- char completefilename[400];
- int i, n, n2, n4, filesize, read_chars, header_size=0, ch, bps, sr;
- FILE *fh;
- t_atom *at;
- char *cvec;
- long ll;
- short ss;
-
- if(filename->s_name[0] == '/')/*make complete path + filename*/
- {
- strcpy(completefilename, filename->s_name);
- }
- else if(((filename->s_name[0] >= 'A')&&(filename->s_name[0] <= 'Z')||
- (filename->s_name[0] >= 'a')&&(filename->s_name[0] <= 'z'))&&
- (filename->s_name[1] == ':')&&(filename->s_name[2] == '/'))
- {
- strcpy(completefilename, filename->s_name);
- }
- else
- {
- strcpy(completefilename, canvas_getdir(x->x_canvas)->s_name);
- strcat(completefilename, "/");
- strcat(completefilename, filename->s_name);
- }
-
- fh = fopen(completefilename,"rb");
- if(!fh)
- {
- post("soundfile_info_read: cannot open %s !!\n", completefilename);
- }
- else
- {
- n = x->x_size;
- n2 = sizeof(short) * x->x_size;
- n4 = sizeof(long) * x->x_size;
- fseek(fh, 0, SEEK_END);
- filesize = ftell(fh);
- fseek(fh,0,SEEK_SET);
- read_chars = (int)fread(x->x_begmem, sizeof(char), n4, fh) /2;
- fclose(fh);
- // post("read chars = %d", read_chars);
- cvec = (char *)x->x_begmem;
- if(read_chars > 4)
- {
- if(strncmp(cvec, "RIFF", 4))
- {
- post("soundfile_info_read-error: %s is no RIFF-WAVE-file", completefilename);
- goto soundfile_info_end;
- }
- header_size += 8;
- cvec += 8;
- if(strncmp(cvec, "WAVE", 4))
- {
- post("soundfile_info_read-error: %s is no RIFF-WAVE-file", completefilename);
- goto soundfile_info_end;
- }
- header_size += 4;
- cvec += 4;
-
- for(i=header_size/2; i<read_chars; i++)
- {
- if(!strncmp(cvec, "fmt ", 4))
- goto soundfile_info_fmt;
- header_size += 2;
- cvec += 2;
- }
- post("soundfile_info_read-error: %s has at begin no format-chunk", completefilename);
- goto soundfile_info_end;
-
-soundfile_info_fmt:
- header_size += 4;
- cvec += 4;
- ll = soundfile_info_str2long(cvec);
- if(ll != 16)
- {
- post("soundfile_info_read-error: %s has a format-chunk not equal to 16", completefilename);
- goto soundfile_info_end;
- }
- header_size += 4;
- cvec += 4;
- ss = soundfile_info_str2short(cvec);
- /* format */
- if(ss != 1) /* PCM = 1 */
- {
- post("soundfile_info_read-error: %s is not PCM-format coded", completefilename);
- goto soundfile_info_end;
- }
- header_size += 2;
- cvec += 2;
- ss = soundfile_info_str2short(cvec);
- /* channels */
- if((ss < 1) || (ss > 100))
- {
- post("soundfile_info_read-error: %s has no common channel-number", completefilename);
- goto soundfile_info_end;
- }
- SETFLOAT(x->x_atheader+SFI_HEADER_CHANNELS, (t_float)ss);
- ch = ss;
- header_size += 2;
- cvec += 2;
- ll = soundfile_info_str2long(cvec);
- /* samplerate */
- if((ll > 400000) || (ll < 200))
- {
- post("soundfile_info_read-error: %s has no common samplerate", completefilename);
- goto soundfile_info_end;
- }
- SETFLOAT(x->x_atheader+SFI_HEADER_SAMPLERATE, (t_float)ll);
- sr = ll;
- header_size += 4;
- cvec += 4;
-
- header_size += 4; /* bytes_per_sec */
- cvec += 4;
- ss = soundfile_info_str2short(cvec);
-
- /* bytes_per_sample */
- if((ss < 1) || (ss > 100))
- {
- post("soundfile_info_read-error: %s has no common number of bytes per sample", completefilename);
- goto soundfile_info_end;
- }
- SETFLOAT(x->x_atheader+SFI_HEADER_BYTES_PER_SAMPLE, (t_float)(ss/ch));
- bps = ss;
- header_size += 2;
- cvec += 2;
-
- header_size += 2; /* bits_per_sample */
- cvec += 2;
-
- for(i=header_size/2; i<read_chars; i++)
- {
- if(!strncmp(cvec, "data", 4))
- goto soundfile_info_data;
- header_size += 2;
- cvec += 2;
- }
- post("soundfile_info_read-error: %s has at begin no data-chunk", completefilename);
- goto soundfile_info_end;
-
-soundfile_info_data:
- header_size += 8;
- cvec += 8;
-
- SETFLOAT(x->x_atheader+SFI_HEADER_HEADERBYTES, (t_float)header_size);
-
- filesize -= header_size;
- filesize /= bps;
- SETFLOAT(x->x_atheader+SFI_HEADER_MULTICHANNEL_FILE_LENGTH, (t_float)filesize);
- SETSYMBOL(x->x_atheader+SFI_HEADER_ENDINESS, gensym("l"));
- SETSYMBOL(x->x_atheader+SFI_HEADER_FILENAME, gensym(completefilename));
-
- /* post("ch = %d", ss);
- post("sr = %d", ll);
- post("bps = %d", ss/ch);
- post("head = %d", header_size);
- post("len = %d", filesize);*/
-
- outlet_list(x->x_list_out, &s_list, SFI_HEADER_SIZE, x->x_atheader);
-
-
-soundfile_info_end:
-
- ;
- }
- }
-}
-
-static void soundfile_info_free(t_soundfile_info *x)
-{
- freebytes(x->x_begmem, x->x_size * sizeof(long));
-}
-
-static void *soundfile_info_new(void)
-{
- t_soundfile_info *x = (t_soundfile_info *)pd_new(soundfile_info_class);
-
- x->x_size = 10000;
- x->x_begmem = (long *)getbytes(x->x_size * sizeof(long));
- x->x_list_out = outlet_new(&x->x_obj, &s_list);
- x->x_canvas = canvas_getcurrent();
- return (x);
-}
-
-/* ---------------- global setup function -------------------- */
-
-void soundfile_info_setup(void)
-{
- soundfile_info_class = class_new(gensym("soundfile_info"), (t_newmethod)soundfile_info_new,
- (t_method)soundfile_info_free, sizeof(t_soundfile_info), 0, 0);
- class_addmethod(soundfile_info_class, (t_method)soundfile_info_read, gensym("read"), A_SYMBOL, 0);
- class_sethelpsymbol(soundfile_info_class, gensym("iemhelp/help-soundfile_info"));
-}
diff --git a/src/iemlib1/split.c b/src/iemlib1/split.c
deleted file mode 100644
index cfe7de8..0000000
--- a/src/iemlib1/split.c
+++ /dev/null
@@ -1,47 +0,0 @@
-/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
-* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
-
-iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
-
-
-#include "m_pd.h"
-#include "iemlib.h"
-
-
-/* --------- split is like moses ----------- */
-
-typedef struct _split
-{
- t_object x_obj;
- t_outlet *x_out_less;
- t_outlet *x_out_greater_equal;
- float x_threshold;
-} t_split;
-
-static t_class *split_class;
-
-static void split_float(t_split *x, t_float f)
-{
- if(f < x->x_threshold)
- outlet_float(x->x_out_less, f);
- else
- outlet_float(x->x_out_greater_equal, f);
-}
-
-static void *split_new(t_floatarg f)
-{
- t_split *x = (t_split *)pd_new(split_class);
- floatinlet_new(&x->x_obj, &x->x_threshold);
- x->x_out_less = outlet_new(&x->x_obj, &s_float);
- x->x_out_greater_equal = outlet_new(&x->x_obj, &s_float);
- x->x_threshold = f;
- return (x);
-}
-
-void split_setup(void)
-{
- split_class = class_new(gensym("split"), (t_newmethod)split_new, 0,
- sizeof(t_split), 0, A_DEFFLOAT, 0);
- class_addfloat(split_class, split_float);
- class_sethelpsymbol(split_class, gensym("iemhelp/help-split"));
-}
diff --git a/src/iemlib1/v2db.c b/src/iemlib1/v2db.c
deleted file mode 100644
index d11682d..0000000
--- a/src/iemlib1/v2db.c
+++ /dev/null
@@ -1,39 +0,0 @@
-/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
-* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
-
-iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
-
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <math.h>
-
-
-/* -------- v2db - a rms-value to techn. dB converter. --------- */
-
-static t_class *v2db_class;
-
-t_float v2db(t_float f)
-{
- return (f <= 0 ? -199.9 : 8.6858896381*log(f));
-}
-
-static void v2db_float(t_object *x, t_float f)
-{
- outlet_float(x->ob_outlet, v2db(f));
-}
-
-static void *v2db_new(void)
-{
- t_object *x = (t_object *)pd_new(v2db_class);
- outlet_new(x, &s_float);
- return (x);
-}
-
-void v2db_setup(void)
-{
- v2db_class = class_new(gensym("v2db"), v2db_new, 0,
- sizeof(t_object), 0, 0);
- class_addfloat(v2db_class, (t_method)v2db_float);
- class_sethelpsymbol(v2db_class, gensym("iemhelp/help-v2db"));
-}
diff --git a/src/iemlib1/vcf_filter~.c b/src/iemlib1/vcf_filter~.c
deleted file mode 100644
index e961378..0000000
--- a/src/iemlib1/vcf_filter~.c
+++ /dev/null
@@ -1,327 +0,0 @@
-/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
-* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
-
-iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <string.h>
-#include <math.h>
-
-/* ---------- vcf_filter~ - slow dynamic vcf_filter 1. and 2. order ----------- */
-
-typedef struct _vcf_filter_tilde
-{
- t_object x_obj;
- t_float x_wn1;
- t_float x_wn2;
- t_float x_msi;
- char x_filtname[6];
-} t_vcf_filter_tilde;
-
-t_class *vcf_filter_tilde_class;
-
-static t_int *vcf_filter_tilde_perform_snafu(t_int *w)
-{
- t_float *in = (t_float *)(w[1]);
- t_float *out = (t_float *)(w[4]);
- int n = (t_int)(w[6]);
-
- while(n--)
- *out++ = *in++;
- return(w+7);
-}
-
-/*
-lp2
-wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
-*out++ = rcp*(wn0 + 2.0f*wn1 + wn2);
-wn2 = wn1;
-wn1 = wn0;
-
- bp2
- wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
- *out++ = rcp*al*(wn0 - wn2);
- wn2 = wn1;
- wn1 = wn0;
-
- rbp2
- wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
- *out++ = rcp*l*(wn0 - wn2);
- wn2 = wn1;
- wn1 = wn0;
-
- hp2
- wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
- *out++ = rcp*(wn0 - 2.0f*wn1 + wn2);
- wn2 = wn1;
- wn1 = wn0;
-
-*/
-
-static t_int *vcf_filter_tilde_perform_lp2(t_int *w)
-{
- t_float *in = (t_float *)(w[1]);
- t_float *lp = (t_float *)(w[2]);
- t_float *q = (t_float *)(w[3]);
- t_float *out = (t_float *)(w[4]);
- t_vcf_filter_tilde *x = (t_vcf_filter_tilde *)(w[5]);
- int i, n = (t_int)(w[6]);
- t_float wn0, wn1=x->x_wn1, wn2=x->x_wn2;
- t_float l, al, l2, rcp;
-
- for(i=0; i<n; i+=4)
- {
- l = lp[i];
- if(q[i] < 0.000001f)
- al = 1000000.0f*l;
- else if(q[i] > 1000000.0f)
- al = 0.000001f*l;
- else
- al = l/q[i];
- l2 = l*l + 1.0f;
- rcp = 1.0f/(al + l2);
-
- wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
- *out++ = rcp*(wn0 + 2.0f*wn1 + wn2);
- wn2 = wn1;
- wn1 = wn0;
-
- wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
- *out++ = rcp*(wn0 + 2.0f*wn1 + wn2);
- wn2 = wn1;
- wn1 = wn0;
-
- wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
- *out++ = rcp*(wn0 + 2.0f*wn1 + wn2);
- wn2 = wn1;
- wn1 = wn0;
-
- wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
- *out++ = rcp*(wn0 + 2.0f*wn1 + wn2);
- wn2 = wn1;
- wn1 = wn0;
- }
- /* NAN protect */
- if(IEM_DENORMAL(wn2))
- wn2 = 0.0f;
- if(IEM_DENORMAL(wn1))
- wn1 = 0.0f;
-
- x->x_wn1 = wn1;
- x->x_wn2 = wn2;
- return(w+7);
-}
-
-static t_int *vcf_filter_tilde_perform_bp2(t_int *w)
-{
- t_float *in = (t_float *)(w[1]);
- t_float *lp = (t_float *)(w[2]);
- t_float *q = (t_float *)(w[3]);
- t_float *out = (t_float *)(w[4]);
- t_vcf_filter_tilde *x = (t_vcf_filter_tilde *)(w[5]);
- int i, n = (t_int)(w[6]);
- t_float wn0, wn1=x->x_wn1, wn2=x->x_wn2;
- t_float l, al, l2, rcp;
-
- for(i=0; i<n; i+=4)
- {
- l = lp[i];
- if(q[i] < 0.000001f)
- al = 1000000.0f*l;
- else if(q[i] > 1000000.0f)
- al = 0.000001f*l;
- else
- al = l/q[i];
- l2 = l*l + 1.0f;
- rcp = 1.0f/(al + l2);
-
-
- wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
- *out++ = rcp*al*(wn0 - wn2);
- wn2 = wn1;
- wn1 = wn0;
-
- wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
- *out++ = rcp*al*(wn0 - wn2);
- wn2 = wn1;
- wn1 = wn0;
-
- wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
- *out++ = rcp*al*(wn0 - wn2);
- wn2 = wn1;
- wn1 = wn0;
-
- wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
- *out++ = rcp*al*(wn0 - wn2);
- wn2 = wn1;
- wn1 = wn0;
- }
- /* NAN protect */
- if(IEM_DENORMAL(wn2))
- wn2 = 0.0f;
- if(IEM_DENORMAL(wn1))
- wn1 = 0.0f;
-
- x->x_wn1 = wn1;
- x->x_wn2 = wn2;
- return(w+7);
-}
-
-static t_int *vcf_filter_tilde_perform_rbp2(t_int *w)
-{
- t_float *in = (t_float *)(w[1]);
- t_float *lp = (t_float *)(w[2]);
- t_float *q = (t_float *)(w[3]);
- t_float *out = (t_float *)(w[4]);
- t_vcf_filter_tilde *x = (t_vcf_filter_tilde *)(w[5]);
- int i, n = (t_int)(w[6]);
- t_float wn0, wn1=x->x_wn1, wn2=x->x_wn2;
- t_float al, l, l2, rcp;
-
- for(i=0; i<n; i+=4)
- {
- l = lp[i];
- if(q[i] < 0.000001f)
- al = 1000000.0f*l;
- else if(q[i] > 1000000.0f)
- al = 0.000001f*l;
- else
- al = l/q[i];
- l2 = l*l + 1.0f;
- rcp = 1.0f/(al + l2);
-
-
- wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
- *out++ = rcp*l*(wn0 - wn2);
- wn2 = wn1;
- wn1 = wn0;
-
- wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
- *out++ = rcp*l*(wn0 - wn2);
- wn2 = wn1;
- wn1 = wn0;
-
- wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
- *out++ = rcp*l*(wn0 - wn2);
- wn2 = wn1;
- wn1 = wn0;
-
- wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
- *out++ = rcp*l*(wn0 - wn2);
- wn2 = wn1;
- wn1 = wn0;
- }
- /* NAN protect */
- if(IEM_DENORMAL(wn2))
- wn2 = 0.0f;
- if(IEM_DENORMAL(wn1))
- wn1 = 0.0f;
-
- x->x_wn1 = wn1;
- x->x_wn2 = wn2;
- return(w+7);
-}
-
-static t_int *vcf_filter_tilde_perform_hp2(t_int *w)
-{
- t_float *in = (t_float *)(w[1]);
- t_float *lp = (t_float *)(w[2]);
- t_float *q = (t_float *)(w[3]);
- t_float *out = (t_float *)(w[4]);
- t_vcf_filter_tilde *x = (t_vcf_filter_tilde *)(w[5]);
- int i, n = (t_int)(w[6]);
- t_float wn0, wn1=x->x_wn1, wn2=x->x_wn2;
- t_float l, al, l2, rcp, forw;
-
- for(i=0; i<n; i+=4)
- {
- l = lp[i];
- if(q[i] < 0.000001f)
- al = 1000000.0f*l;
- else if(q[i] > 1000000.0f)
- al = 0.000001f*l;
- else
- al = l/q[i];
- l2 = l*l + 1.0f;
- rcp = 1.0f/(al + l2);
- forw = rcp * (l2 - 1.0f);
-
- wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
- *out++ = forw*(wn0 - 2.0f*wn1 + wn2);
- wn2 = wn1;
- wn1 = wn0;
-
- wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
- *out++ = forw*(wn0 - 2.0f*wn1 + wn2);
- wn2 = wn1;
- wn1 = wn0;
-
- wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
- *out++ = forw*(wn0 - 2.0f*wn1 + wn2);
- wn2 = wn1;
- wn1 = wn0;
-
- wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2);
- *out++ = forw*(wn0 - 2.0f*wn1 + wn2);
- wn2 = wn1;
- wn1 = wn0;
- }
- /* NAN protect */
- if(IEM_DENORMAL(wn2))
- wn2 = 0.0f;
- if(IEM_DENORMAL(wn1))
- wn1 = 0.0f;
-
- x->x_wn1 = wn1;
- x->x_wn2 = wn2;
- return(w+7);
-}
-
-static void vcf_filter_tilde_dsp(t_vcf_filter_tilde *x, t_signal **sp)
-{
- if(!strcmp(x->x_filtname,"bp2"))
- dsp_add(vcf_filter_tilde_perform_bp2, 6, sp[0]->s_vec, sp[1]->s_vec,
- sp[2]->s_vec, sp[3]->s_vec, x, sp[0]->s_n);
- else if(!strcmp(x->x_filtname,"rbp2"))
- dsp_add(vcf_filter_tilde_perform_rbp2, 6, sp[0]->s_vec, sp[1]->s_vec,
- sp[2]->s_vec, sp[3]->s_vec, x, sp[0]->s_n);
- else if(!strcmp(x->x_filtname,"lp2"))
- dsp_add(vcf_filter_tilde_perform_lp2, 6, sp[0]->s_vec, sp[1]->s_vec,
- sp[2]->s_vec, sp[3]->s_vec, x, sp[0]->s_n);
- else if(!strcmp(x->x_filtname,"hp2"))
- dsp_add(vcf_filter_tilde_perform_hp2, 6, sp[0]->s_vec, sp[1]->s_vec,
- sp[2]->s_vec, sp[3]->s_vec, x, sp[0]->s_n);
- else
- {
- dsp_add(vcf_filter_tilde_perform_snafu, 6, sp[0]->s_vec, sp[1]->s_vec,
- sp[2]->s_vec, sp[3]->s_vec, x, sp[0]->s_n);
- post("vcf_filter~-Error: 1. initial-arguments: <sym> kind: lp2, bp2, rbp2, hp2!");
- }
-}
-
-static void *vcf_filter_tilde_new(t_symbol *filt_typ)
-{
- t_vcf_filter_tilde *x = (t_vcf_filter_tilde *)pd_new(vcf_filter_tilde_class);
- char *c;
-
- inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
- inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
- outlet_new(&x->x_obj, &s_signal);
- x->x_msi = 0;
- x->x_wn1 = 0.0f;
- x->x_wn2 = 0.0f;
- c = (char *)filt_typ->s_name;
- c[5] = 0;
- strcpy(x->x_filtname, c);
- return(x);
-}
-
-void vcf_filter_tilde_setup(void)
-{
- vcf_filter_tilde_class = class_new(gensym("vcf_filter~"), (t_newmethod)vcf_filter_tilde_new,
- 0, sizeof(t_vcf_filter_tilde), 0, A_SYMBOL, 0);
- CLASS_MAINSIGNALIN(vcf_filter_tilde_class, t_vcf_filter_tilde, x_msi);
- class_addmethod(vcf_filter_tilde_class, (t_method)vcf_filter_tilde_dsp, gensym("dsp"), 0);
- class_sethelpsymbol(vcf_filter_tilde_class, gensym("iemhelp/help-vcf_filter~"));
-}