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-rw-r--r--src/iemlib1/biquad_freq_resp.c186
-rw-r--r--src/iemlib1/db2v.c90
-rw-r--r--src/iemlib1/f2note.c380
-rw-r--r--src/iemlib1/forpp.c386
-rw-r--r--src/iemlib1/gate.c170
-rw-r--r--src/iemlib1/iemlib1.c166
-rw-r--r--src/iemlib1/makefile_win1
-rw-r--r--src/iemlib1/sigFIR.c354
-rw-r--r--src/iemlib1/sigfilter.c1644
-rw-r--r--src/iemlib1/sighml_shelf.c1114
-rw-r--r--src/iemlib1/sigiem_cot4.c350
-rw-r--r--src/iemlib1/sigiem_delay.c418
-rw-r--r--src/iemlib1/sigiem_pow4.c172
-rw-r--r--src/iemlib1/sigiem_sqrt4.c232
-rw-r--r--src/iemlib1/siglp1_t.c438
-rw-r--r--src/iemlib1/sigmov_avrg_kern.c286
-rw-r--r--src/iemlib1/sigpara_bp2.c852
-rw-r--r--src/iemlib1/sigpeakenv.c204
-rw-r--r--src/iemlib1/sigprvu.c564
-rw-r--r--src/iemlib1/sigpvu.c412
-rw-r--r--src/iemlib1/sigrvu.c374
-rw-r--r--src/iemlib1/sigsin_phase.c258
-rw-r--r--src/iemlib1/sigvcf_filter.c668
-rw-r--r--src/iemlib1/soundfile_info.c522
-rw-r--r--src/iemlib1/split.c108
-rw-r--r--src/iemlib1/v2db.c90
26 files changed, 5220 insertions, 5219 deletions
diff --git a/src/iemlib1/biquad_freq_resp.c b/src/iemlib1/biquad_freq_resp.c
index cda16c6..f572cd7 100644
--- a/src/iemlib1/biquad_freq_resp.c
+++ b/src/iemlib1/biquad_freq_resp.c
@@ -1,93 +1,93 @@
-/* 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 */
-
-#ifdef NT
-#pragma warning( disable : 4244 )
-#pragma warning( disable : 4305 )
-#endif
-
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <math.h>
-#include <stdio.h>
-#include <string.h>
-
-/* ------------------------ biquad_freq_resp ------------------- */
-/* -- calculates the frequency responce of a biquad structure -- */
-
-typedef struct _biquad_freq_resp
-{
- t_object x_obj;
- float a0;
- float a1;
- float a2;
- float b1;
- 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_float f)
-{
- float re1, im1, re2, im2;
- 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"));
-}
+/* 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 */
+
+#ifdef NT
+#pragma warning( disable : 4244 )
+#pragma warning( disable : 4305 )
+#endif
+
+
+#include "m_pd.h"
+#include "iemlib.h"
+#include <math.h>
+#include <stdio.h>
+#include <string.h>
+
+/* ------------------------ biquad_freq_resp ------------------- */
+/* -- calculates the frequency responce of a biquad structure -- */
+
+typedef struct _biquad_freq_resp
+{
+ t_object x_obj;
+ float a0;
+ float a1;
+ float a2;
+ float b1;
+ 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_float f)
+{
+ float re1, im1, re2, im2;
+ 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
index 0c09a61..cf4b17b 100644
--- a/src/iemlib1/db2v.c
+++ b/src/iemlib1/db2v.c
@@ -1,45 +1,45 @@
-/* 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 */
-
-#ifdef NT
-#pragma warning( disable : 4244 )
-#pragma warning( disable : 4305 )
-#endif
-
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <math.h>
-#include <stdio.h>
-#include <string.h>
-
-/* -------- db2v - a techn. dB to rms-value converter. --------- */
-
-static t_class *db2v_class;
-
-float db2v(float f)
-{
- return (f <= -199.9 ? 0 : exp(0.11512925465 * f));
-}
-
-static void db2v_float(t_object *x, t_float 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"));
-}
+/* 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 */
+
+#ifdef NT
+#pragma warning( disable : 4244 )
+#pragma warning( disable : 4305 )
+#endif
+
+
+#include "m_pd.h"
+#include "iemlib.h"
+#include <math.h>
+#include <stdio.h>
+#include <string.h>
+
+/* -------- db2v - a techn. dB to rms-value converter. --------- */
+
+static t_class *db2v_class;
+
+float db2v(float f)
+{
+ return (f <= -199.9 ? 0 : exp(0.11512925465 * f));
+}
+
+static void db2v_float(t_object *x, t_float 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
index 621b2c0..1b2d9a8 100644
--- a/src/iemlib1/f2note.c
+++ b/src/iemlib1/f2note.c
@@ -1,190 +1,190 @@
-/* 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 */
-
-#ifdef NT
-#pragma warning( disable : 4244 )
-#pragma warning( disable : 4305 )
-#endif
-
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <math.h>
-#include <stdio.h>
-#include <string.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;
- float x_refhz;
- float x_refexp;
- float x_reflog;
- t_symbol *x_set;
-} t_f2note;
-
-static t_class *f2note_class;
-
-float f2note_mtof(t_f2note *x, float midi)
-{
- return(x->x_refexp * exp(0.057762265047 * midi));
-}
-
-float f2note_ftom(t_f2note *x, float freq)
-{
- return (freq > 0 ? 17.31234049 * log(x->x_reflog * freq) : -1500);
-}
-
-void f2note_calc_ref(t_f2note *x)
-{
- 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, (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, 0.01*(float)(x->x_centomidi));
-}
-
-static void f2note_float(t_f2note *x, t_floatarg freq)
-{
- x->x_centomidi = (int)(100.0*f2note_ftom(x, freq) + 0.5);
- 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 == 0.0)
- ref=440.0;
- x->x_refhz = ref;
- x->x_centomidi = (int)(100.0*ref + 0.499);
- 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"));
-}
+/* 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 */
+
+#ifdef NT
+#pragma warning( disable : 4244 )
+#pragma warning( disable : 4305 )
+#endif
+
+
+#include "m_pd.h"
+#include "iemlib.h"
+#include <math.h>
+#include <stdio.h>
+#include <string.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;
+ float x_refhz;
+ float x_refexp;
+ float x_reflog;
+ t_symbol *x_set;
+} t_f2note;
+
+static t_class *f2note_class;
+
+float f2note_mtof(t_f2note *x, float midi)
+{
+ return(x->x_refexp * exp(0.057762265047 * midi));
+}
+
+float f2note_ftom(t_f2note *x, float freq)
+{
+ return (freq > 0 ? 17.31234049 * log(x->x_reflog * freq) : -1500);
+}
+
+void f2note_calc_ref(t_f2note *x)
+{
+ 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, (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, 0.01*(float)(x->x_centomidi));
+}
+
+static void f2note_float(t_f2note *x, t_floatarg freq)
+{
+ x->x_centomidi = (int)(100.0*f2note_ftom(x, freq) + 0.5);
+ 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 == 0.0)
+ ref=440.0;
+ x->x_refhz = ref;
+ x->x_centomidi = (int)(100.0*ref + 0.499);
+ 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/forpp.c b/src/iemlib1/forpp.c
index 9f0d995..19df836 100644
--- a/src/iemlib1/forpp.c
+++ b/src/iemlib1/forpp.c
@@ -1,193 +1,193 @@
-/* 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 */
-
-#ifdef NT
-#pragma warning( disable : 4244 )
-#pragma warning( disable : 4305 )
-#endif
-
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <math.h>
-#include <stdio.h>
-#include <string.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;
- 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_float 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_float 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_float 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++"));
-}
+/* 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 */
+
+#ifdef NT
+#pragma warning( disable : 4244 )
+#pragma warning( disable : 4305 )
+#endif
+
+
+#include "m_pd.h"
+#include "iemlib.h"
+#include <math.h>
+#include <stdio.h>
+#include <string.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;
+ 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_float 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_float 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_float 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
index 529ff4f..17af5a9 100644
--- a/src/iemlib1/gate.c
+++ b/src/iemlib1/gate.c
@@ -1,85 +1,85 @@
-/* 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 - 2004 */
-
-#ifdef NT
-#pragma warning( disable : 4244 )
-#pragma warning( disable : 4305 )
-#endif
-
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <math.h>
-#include <stdio.h>
-#include <string.h>
-
-/* --------- gate ---------------------- */
-/* ----------- like spigot ------------ */
-
-typedef struct _gate
-{
- t_object x_obj;
- 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==0.0)?0:1;
- 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"));
-}
+/* 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 - 2004 */
+
+#ifdef NT
+#pragma warning( disable : 4244 )
+#pragma warning( disable : 4305 )
+#endif
+
+
+#include "m_pd.h"
+#include "iemlib.h"
+#include <math.h>
+#include <stdio.h>
+#include <string.h>
+
+/* --------- gate ---------------------- */
+/* ----------- like spigot ------------ */
+
+typedef struct _gate
+{
+ t_object x_obj;
+ 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==0.0)?0:1;
+ 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/iemlib1.c b/src/iemlib1/iemlib1.c
index 9bc6ef2..c5b2260 100644
--- a/src/iemlib1/iemlib1.c
+++ b/src/iemlib1/iemlib1.c
@@ -1,83 +1,83 @@
-/* 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 */
-
-#ifdef NT
-#pragma warning( disable : 4244 )
-#pragma warning( disable : 4305 )
-#endif
-
-
-#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 forpp_setup(void);
-void gate_setup(void);
-void sigfilter_setup(void);
-void sigFIR_setup(void);
-void sighml_shelf_setup(void);
-void sigiem_cot4_setup(void);
-void sigiem_delay_setup(void);
-void sigiem_sqrt4_setup(void);
-void sigiem_pow4_setup(void);
-void siglp1_t_setup(void);
-void sigmov_avrg_kern_setup(void);
-void sigpara_bp2_setup(void);
-void sigpeakenv_setup(void);
-void sigprvu_setup(void);
-void sigpvu_setup(void);
-void sigrvu_setup(void);
-void sigsin_phase_setup(void);
-void sigvcf_filter_setup(void);
-void soundfile_info_setup(void);
-void split_setup(void);
-void v2db_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();
- forpp_setup();
- gate_setup();
- sigfilter_setup();
- sigFIR_setup();
- sighml_shelf_setup();
- sigiem_cot4_setup();
- sigiem_delay_setup();
- sigiem_sqrt4_setup();
- sigiem_pow4_setup();
- siglp1_t_setup();
- sigmov_avrg_kern_setup();
- sigpara_bp2_setup();
- sigpeakenv_setup();
- sigprvu_setup();
- sigpvu_setup();
- sigrvu_setup();
- sigsin_phase_setup();
- sigvcf_filter_setup();
- soundfile_info_setup();
- split_setup();
- v2db_setup();
-
- post("iemlib1 (R-1.16) library loaded! (c) Thomas Musil 05.2005");
- post(" musil%ciem.at iem KUG Graz Austria", '@');
-}
+/* 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 */
+
+#ifdef NT
+#pragma warning( disable : 4244 )
+#pragma warning( disable : 4305 )
+#endif
+
+
+#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 forpp_setup(void);
+void gate_setup(void);
+void sigfilter_setup(void);
+void sigFIR_setup(void);
+void sighml_shelf_setup(void);
+void sigiem_cot4_setup(void);
+void sigiem_delay_setup(void);
+void sigiem_sqrt4_setup(void);
+void sigiem_pow4_setup(void);
+void siglp1_t_setup(void);
+void sigmov_avrg_kern_setup(void);
+void sigpara_bp2_setup(void);
+void sigpeakenv_setup(void);
+void sigprvu_setup(void);
+void sigpvu_setup(void);
+void sigrvu_setup(void);
+void sigsin_phase_setup(void);
+void sigvcf_filter_setup(void);
+void soundfile_info_setup(void);
+void split_setup(void);
+void v2db_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();
+ forpp_setup();
+ gate_setup();
+ sigfilter_setup();
+ sigFIR_setup();
+ sighml_shelf_setup();
+ sigiem_cot4_setup();
+ sigiem_delay_setup();
+ sigiem_sqrt4_setup();
+ sigiem_pow4_setup();
+ siglp1_t_setup();
+ sigmov_avrg_kern_setup();
+ sigpara_bp2_setup();
+ sigpeakenv_setup();
+ sigprvu_setup();
+ sigpvu_setup();
+ sigrvu_setup();
+ sigsin_phase_setup();
+ sigvcf_filter_setup();
+ soundfile_info_setup();
+ split_setup();
+ v2db_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/makefile_win b/src/iemlib1/makefile_win
index 04cb0f2..aae9bbd 100644
--- a/src/iemlib1/makefile_win
+++ b/src/iemlib1/makefile_win
@@ -46,6 +46,7 @@ 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)
diff --git a/src/iemlib1/sigFIR.c b/src/iemlib1/sigFIR.c
index ab40a42..797916f 100644
--- a/src/iemlib1/sigFIR.c
+++ b/src/iemlib1/sigFIR.c
@@ -1,177 +1,177 @@
-/* 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 */
-
-#ifdef NT
-#pragma warning( disable : 4244 )
-#pragma warning( disable : 4305 )
-#endif
-
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <math.h>
-#include <stdio.h>
-#include <string.h>
-
-
-/* ---------- FIR~ - FIR-filter with table-coef ----------- */
-
-typedef struct sigFIR
-{
- t_object x_obj;
- float *x_coef_beg;
- float *x_history_beg;
- int x_rw_index;
- int x_fir_order;
- t_symbol *x_table_name;
- float x_msi;
-} t_sigFIR;
-
-t_class *sigFIR_class;
-
-static t_int *sigFIR_perform(t_int *w)
-{
- float *in = (float *)(w[1]);
- float *out = (float *)(w[2]);
- t_sigFIR *x = (t_sigFIR *)(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;
- float sum=0.0f;
- float *coef = x->x_coef_beg;
- float *write_hist1=x->x_history_beg;
- float *write_hist2;
- float *read_hist;
- float *coef_vec;
- float *hist_vec;
-
- if(!coef)
- goto sigFIRperfzero;
-
- 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);
-
-sigFIRperfzero:
-
- while(n--)
- *out++ = 0.0f;
- return(w+5);
-}
-
-void sigFIR_set(t_sigFIR *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 = (float *)resizebytes(x->x_history_beg, 2*x->x_fir_order*sizeof(float), 2*order*sizeof(float));
- x->x_fir_order = order;
-}
-
-static void sigFIR_dsp(t_sigFIR *x, t_signal **sp)
-{
- sigFIR_set(x, x->x_table_name, x->x_fir_order);
- dsp_add(sigFIR_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, sp[0]->s_n);
-}
-
-static void *sigFIR_new(t_symbol *ref, t_floatarg np)
-{
- t_sigFIR *x = (t_sigFIR *)pd_new(sigFIR_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 = (float *)getbytes((2*x->x_fir_order)*sizeof(float));
- x->x_rw_index = 0;
- return(x);
-}
-
-static void sigFIR_free(t_sigFIR *x)
-{
- if(x->x_history_beg)
- freebytes(x->x_history_beg, (2*x->x_fir_order)*sizeof(float));
-}
-
-void sigFIR_setup(void)
-{
- sigFIR_class = class_new(gensym("FIR~"), (t_newmethod)sigFIR_new,
- (t_method)sigFIR_free, sizeof(t_sigFIR), 0, A_DEFSYM, A_DEFFLOAT, 0);
- CLASS_MAINSIGNALIN(sigFIR_class, t_sigFIR, x_msi);
- class_addmethod(sigFIR_class, (t_method)sigFIR_dsp, gensym("dsp"), 0);
- class_addmethod(sigFIR_class, (t_method)sigFIR_set,
- gensym("set"), A_SYMBOL, A_FLOAT, 0);
- class_sethelpsymbol(sigFIR_class, gensym("iemhelp/help-FIR~"));
-}
+/* 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 */
+
+#ifdef NT
+#pragma warning( disable : 4244 )
+#pragma warning( disable : 4305 )
+#endif
+
+
+#include "m_pd.h"
+#include "iemlib.h"
+#include <math.h>
+#include <stdio.h>
+#include <string.h>
+
+
+/* ---------- FIR~ - FIR-filter with table-coef ----------- */
+
+typedef struct sigFIR
+{
+ t_object x_obj;
+ float *x_coef_beg;
+ float *x_history_beg;
+ int x_rw_index;
+ int x_fir_order;
+ t_symbol *x_table_name;
+ float x_msi;
+} t_sigFIR;
+
+t_class *sigFIR_class;
+
+static t_int *sigFIR_perform(t_int *w)
+{
+ float *in = (float *)(w[1]);
+ float *out = (float *)(w[2]);
+ t_sigFIR *x = (t_sigFIR *)(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;
+ float sum=0.0f;
+ float *coef = x->x_coef_beg;
+ float *write_hist1=x->x_history_beg;
+ float *write_hist2;
+ float *read_hist;
+ float *coef_vec;
+ float *hist_vec;
+
+ if(!coef)
+ goto sigFIRperfzero;
+
+ 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);
+
+sigFIRperfzero:
+
+ while(n--)
+ *out++ = 0.0f;
+ return(w+5);
+}
+
+void sigFIR_set(t_sigFIR *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 = (float *)resizebytes(x->x_history_beg, 2*x->x_fir_order*sizeof(float), 2*order*sizeof(float));
+ x->x_fir_order = order;
+}
+
+static void sigFIR_dsp(t_sigFIR *x, t_signal **sp)
+{
+ sigFIR_set(x, x->x_table_name, x->x_fir_order);
+ dsp_add(sigFIR_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, sp[0]->s_n);
+}
+
+static void *sigFIR_new(t_symbol *ref, t_floatarg np)
+{
+ t_sigFIR *x = (t_sigFIR *)pd_new(sigFIR_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 = (float *)getbytes((2*x->x_fir_order)*sizeof(float));
+ x->x_rw_index = 0;
+ return(x);
+}
+
+static void sigFIR_free(t_sigFIR *x)
+{
+ if(x->x_history_beg)
+ freebytes(x->x_history_beg, (2*x->x_fir_order)*sizeof(float));
+}
+
+void sigFIR_setup(void)
+{
+ sigFIR_class = class_new(gensym("FIR~"), (t_newmethod)sigFIR_new,
+ (t_method)sigFIR_free, sizeof(t_sigFIR), 0, A_DEFSYM, A_DEFFLOAT, 0);
+ CLASS_MAINSIGNALIN(sigFIR_class, t_sigFIR, x_msi);
+ class_addmethod(sigFIR_class, (t_method)sigFIR_dsp, gensym("dsp"), 0);
+ class_addmethod(sigFIR_class, (t_method)sigFIR_set,
+ gensym("set"), A_SYMBOL, A_FLOAT, 0);
+ class_sethelpsymbol(sigFIR_class, gensym("iemhelp/help-FIR~"));
+}
diff --git a/src/iemlib1/sigfilter.c b/src/iemlib1/sigfilter.c
index 44a47d4..26b6fc9 100644
--- a/src/iemlib1/sigfilter.c
+++ b/src/iemlib1/sigfilter.c
@@ -1,822 +1,822 @@
-/* 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 */
-
-#ifdef NT
-#pragma warning( disable : 4244 )
-#pragma warning( disable : 4305 )
-#endif
-
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <math.h>
-#include <stdio.h>
-#include <string.h>
-
-
-/* ---------- filter~ - slow dynamic filter-kernel 1. and 2. order ----------- */
-
-typedef struct sigfilter
-{
- t_object x_obj;
- float wn1;
- float wn2;
- float a0;
- float a1;
- float a2;
- float b1;
- float b2;
- float sr;
- float cur_f;
- float cur_l;
- float cur_a;
- float cur_b;
- float delta_f;
- float delta_a;
- float delta_b;
- float end_f;
- float end_a;
- float end_b;
- float ticks_per_interpol_time;
- float rcp_ticks;
- 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];
- float x_msi;
-} t_sigfilter;
-
-t_class *sigfilter_class;
-
-static void sigfilter_snafu(t_sigfilter *x)
-{
-
-}
-
-static void sigfilter_lp1(t_sigfilter *x)
-{
- 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 sigfilter_lp2(t_sigfilter *x)
-{
- 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 sigfilter_hp1(t_sigfilter *x)
-{
- 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 sigfilter_hp2(t_sigfilter *x)
-{
- 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 sigfilter_rp2(t_sigfilter *x)
-{
- 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 sigfilter_bp2(t_sigfilter *x)
-{
- 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 sigfilter_bs2(t_sigfilter *x)
-{
- 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 sigfilter_rpw2(t_sigfilter *x)
-{
- 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 sigfilter_bpw2(t_sigfilter *x)
-{
- 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 sigfilter_bsw2(t_sigfilter *x)
-{
- 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 sigfilter_ap1(t_sigfilter *x)
-{
- float al;
-
- al = x->cur_a * x->cur_l;
- x->a0 = (1.0f - al)/(1.0f + al);
- x->b1 = -x->a0;
-}
-
-static void sigfilter_ap2(t_sigfilter *x)
-{
- 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 sigfilter_bp2(t_sigfilter *x)
-{
-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 sigfilter_dsp_tick(t_sigfilter *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 *sigfilter_perform_2o(t_int *w)
-{
- float *in = (float *)(w[1]);
- float *out = (float *)(w[2]);
- t_sigfilter *x = (t_sigfilter *)(w[3]);
- int i, n = (t_int)(w[4]);
- float wn0, wn1=x->wn1, wn2=x->wn2;
- float a0=x->a0, a1=x->a1, a2=x->a2;
- float b1=x->b1, b2=x->b2;
-
- sigfilter_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 *sigfilter_perf8_2o(t_int *w)
-{
- float *in = (float *)(w[1]);
- float *out = (float *)(w[2]);
- t_sigfilter *x = (t_sigfilter *)(w[3]);
- int i, n = (t_int)(w[4]);
- float wn[10];
- float a0=x->a0, a1=x->a1, a2=x->a2;
- float b1=x->b1, b2=x->b2;
-
- sigfilter_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 *sigfilter_perform_1o(t_int *w)
-{
- float *in = (float *)(w[1]);
- float *out = (float *)(w[2]);
- t_sigfilter *x = (t_sigfilter *)(w[3]);
- int i, n = (t_int)(w[4]);
- float wn0, wn1=x->wn1;
- float a0=x->a0, a1=x->a1;
- float b1=x->b1;
-
- sigfilter_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 *sigfilter_perf8_1o(t_int *w)
-{
- float *in = (float *)(w[1]);
- float *out = (float *)(w[2]);
- t_sigfilter *x = (t_sigfilter *)(w[3]);
- int i, n = (t_int)(w[4]);
- float wn[9];
- float a0=x->a0, a1=x->a1;
- float b1=x->b1;
-
- sigfilter_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 sigfilter_ft4(t_sigfilter *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 / (float)i;
- }
-}
-
-static void sigfilter_ft3(t_sigfilter *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 sigfilter_ft2(t_sigfilter *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 sigfilter_ft1(t_sigfilter *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 sigfilter_print(t_sigfilter *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 sigfilter_dsp(t_sigfilter *x, t_signal **sp)
-{
- float si, co, f;
- int i, n=(int)sp[0]->s_n;
-
- x->sr = 3.14159265358979323846f / (float)(sp[0]->s_sr);
- x->ticks_per_interpol_time = 0.001f * (float)(sp[0]->s_sr) / (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 / (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(sigfilter_perform_1o, 4, sp[0]->s_vec, sp[1]->s_vec, x, n);
- else
- dsp_add(sigfilter_perf8_1o, 4, sp[0]->s_vec, sp[1]->s_vec, x, n);
- }
- else
- {
- if(n&7)
- dsp_add(sigfilter_perform_2o, 4, sp[0]->s_vec, sp[1]->s_vec, x, n);
- else
- dsp_add(sigfilter_perf8_2o, 4, sp[0]->s_vec, sp[1]->s_vec, x, n);
- }
-}
-
-static void *sigfilter_new(t_symbol *s, int argc, t_atom *argv)
-{
- t_sigfilter *x = (t_sigfilter *)pd_new(sigfilter_class);
- char *filt_name;
- int i;
- 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 = sigfilter_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 = (float)atom_getfloatarg(1, argc, argv);
- a = (float)atom_getfloatarg(2, argc, argv);
- b = (float)atom_getfloatarg(3, argc, argv);
- interpol = (float)atom_getfloatarg(4, argc, argv);
- }
- filt_name = (char *)filt_typ->s_name;
- 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 / (float)i;
- }
-
- x->calc = sigfilter_snafu;
-
- x->cur_a = 1.0f/a; /*a was Q*/
- x->inv = 1;
- x->hp = 0;
-
- if(filt_name)
- {
- if(!strcmp(filt_name,"ap1"))
- {
- x->calc = sigfilter_ap1;
- x->a1 = 1.0f;
- x->first_order = 1;
- }
- else if(!strcmp(filt_name,"ap2"))
- {
- x->calc = sigfilter_ap2;
- x->a2 = 1.0f;
- }
- else if(!strcmp(filt_name,"ap1c"))
- {
- x->calc = sigfilter_ap1;
- x->a1 = 1.0f;
- x->inv = 0;
- x->cur_a = a; /*a was damping*/
- x->first_order = 1;
- }
- else if(!strcmp(filt_name,"ap2c"))
- {
- x->calc = sigfilter_ap2;
- x->a2 = 1.0f;
- x->inv = 0;
- x->cur_a = a; /*a was damping*/
- }
- else if(!strcmp(filt_name,"bpq2"))
- {
- x->calc = sigfilter_bp2;
- }
- else if(!strcmp(filt_name,"rbpq2"))
- {
- x->calc = sigfilter_rp2;
- }
- else if(!strcmp(filt_name,"bsq2"))
- {
- x->calc = sigfilter_bs2;
- }
- else if(!strcmp(filt_name,"bpw2"))
- {
- x->calc = sigfilter_bpw2;
- x->inv = 0;
- x->cur_a = a; /*a was bw*/
- }
- else if(!strcmp(filt_name,"rbpw2"))
- {
- x->calc = sigfilter_rpw2;
- x->inv = 0;
- x->cur_a = a; /*a was bw*/
- }
- else if(!strcmp(filt_name,"bsw2"))
- {
- x->calc = sigfilter_bsw2;
- x->inv = 0;
- x->cur_a = a; /*a was bw*/
- }
- else if(!strcmp(filt_name,"hp1"))
- {
- x->calc = sigfilter_hp1;
- x->first_order = 1;
- }
- else if(!strcmp(filt_name,"hp2"))
- {
- x->calc = sigfilter_hp2;
- }
- else if(!strcmp(filt_name,"lp1"))
- {
- x->calc = sigfilter_lp1;
- x->first_order = 1;
- }
- else if(!strcmp(filt_name,"lp2"))
- {
- x->calc = sigfilter_lp2;
- }
- else if(!strcmp(filt_name,"hp1c"))
- {
- x->calc = sigfilter_hp1;
- x->cur_a = 1.0f / a;
- x->first_order = 1;
- }
- else if(!strcmp(filt_name,"hp2c"))
- {
- x->calc = sigfilter_hp2;
- x->inv = 0;
- x->cur_a = a / b;
- x->cur_b = 1.0f / b;
- x->hp = 1;
- }
- else if(!strcmp(filt_name,"lp1c"))
- {
- x->calc = sigfilter_lp1;
- x->inv = 0;
- x->cur_a = a; /*a was damping*/
- x->first_order = 1;
- }
- else if(!strcmp(filt_name,"lp2c"))
- {
- x->calc = sigfilter_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 sigfilter_setup(void)
-{
- sigfilter_class = class_new(gensym("filter~"), (t_newmethod)sigfilter_new,
- 0, sizeof(t_sigfilter), 0, A_GIMME, 0);
- CLASS_MAINSIGNALIN(sigfilter_class, t_sigfilter, x_msi);
- class_addmethod(sigfilter_class, (t_method)sigfilter_dsp, gensym("dsp"), 0);
- class_addmethod(sigfilter_class, (t_method)sigfilter_ft1, gensym("ft1"), A_FLOAT, 0);
- class_addmethod(sigfilter_class, (t_method)sigfilter_ft2, gensym("ft2"), A_FLOAT, 0);
- class_addmethod(sigfilter_class, (t_method)sigfilter_ft3, gensym("ft3"), A_FLOAT, 0);
- class_addmethod(sigfilter_class, (t_method)sigfilter_ft4, gensym("ft4"), A_FLOAT, 0);
- class_addmethod(sigfilter_class, (t_method)sigfilter_print, gensym("print"), 0);
- class_sethelpsymbol(sigfilter_class, gensym("iemhelp/help-filter~"));
-}
+/* 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 */
+
+#ifdef NT
+#pragma warning( disable : 4244 )
+#pragma warning( disable : 4305 )
+#endif
+
+
+#include "m_pd.h"
+#include "iemlib.h"
+#include <math.h>
+#include <stdio.h>
+#include <string.h>
+
+
+/* ---------- filter~ - slow dynamic filter-kernel 1. and 2. order ----------- */
+
+typedef struct sigfilter
+{
+ t_object x_obj;
+ float wn1;
+ float wn2;
+ float a0;
+ float a1;
+ float a2;
+ float b1;
+ float b2;
+ float sr;
+ float cur_f;
+ float cur_l;
+ float cur_a;
+ float cur_b;
+ float delta_f;
+ float delta_a;
+ float delta_b;
+ float end_f;
+ float end_a;
+ float end_b;
+ float ticks_per_interpol_time;
+ float rcp_ticks;
+ 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];
+ float x_msi;
+} t_sigfilter;
+
+t_class *sigfilter_class;
+
+static void sigfilter_snafu(t_sigfilter *x)
+{
+
+}
+
+static void sigfilter_lp1(t_sigfilter *x)
+{
+ 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 sigfilter_lp2(t_sigfilter *x)
+{
+ 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 sigfilter_hp1(t_sigfilter *x)
+{
+ 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 sigfilter_hp2(t_sigfilter *x)
+{
+ 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 sigfilter_rp2(t_sigfilter *x)
+{
+ 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 sigfilter_bp2(t_sigfilter *x)
+{
+ 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 sigfilter_bs2(t_sigfilter *x)
+{
+ 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 sigfilter_rpw2(t_sigfilter *x)
+{
+ 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 sigfilter_bpw2(t_sigfilter *x)
+{
+ 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 sigfilter_bsw2(t_sigfilter *x)
+{
+ 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 sigfilter_ap1(t_sigfilter *x)
+{
+ float al;
+
+ al = x->cur_a * x->cur_l;
+ x->a0 = (1.0f - al)/(1.0f + al);
+ x->b1 = -x->a0;
+}
+
+static void sigfilter_ap2(t_sigfilter *x)
+{
+ 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 sigfilter_bp2(t_sigfilter *x)
+{
+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 sigfilter_dsp_tick(t_sigfilter *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 *sigfilter_perform_2o(t_int *w)
+{
+ float *in = (float *)(w[1]);
+ float *out = (float *)(w[2]);
+ t_sigfilter *x = (t_sigfilter *)(w[3]);
+ int i, n = (t_int)(w[4]);
+ float wn0, wn1=x->wn1, wn2=x->wn2;
+ float a0=x->a0, a1=x->a1, a2=x->a2;
+ float b1=x->b1, b2=x->b2;
+
+ sigfilter_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 *sigfilter_perf8_2o(t_int *w)
+{
+ float *in = (float *)(w[1]);
+ float *out = (float *)(w[2]);
+ t_sigfilter *x = (t_sigfilter *)(w[3]);
+ int i, n = (t_int)(w[4]);
+ float wn[10];
+ float a0=x->a0, a1=x->a1, a2=x->a2;
+ float b1=x->b1, b2=x->b2;
+
+ sigfilter_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 *sigfilter_perform_1o(t_int *w)
+{
+ float *in = (float *)(w[1]);
+ float *out = (float *)(w[2]);
+ t_sigfilter *x = (t_sigfilter *)(w[3]);
+ int i, n = (t_int)(w[4]);
+ float wn0, wn1=x->wn1;
+ float a0=x->a0, a1=x->a1;
+ float b1=x->b1;
+
+ sigfilter_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 *sigfilter_perf8_1o(t_int *w)
+{
+ float *in = (float *)(w[1]);
+ float *out = (float *)(w[2]);
+ t_sigfilter *x = (t_sigfilter *)(w[3]);
+ int i, n = (t_int)(w[4]);
+ float wn[9];
+ float a0=x->a0, a1=x->a1;
+ float b1=x->b1;
+
+ sigfilter_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 sigfilter_ft4(t_sigfilter *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 / (float)i;
+ }
+}
+
+static void sigfilter_ft3(t_sigfilter *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 sigfilter_ft2(t_sigfilter *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 sigfilter_ft1(t_sigfilter *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 sigfilter_print(t_sigfilter *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 sigfilter_dsp(t_sigfilter *x, t_signal **sp)
+{
+ float si, co, f;
+ int i, n=(int)sp[0]->s_n;
+
+ x->sr = 3.14159265358979323846f / (float)(sp[0]->s_sr);
+ x->ticks_per_interpol_time = 0.001f * (float)(sp[0]->s_sr) / (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 / (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(sigfilter_perform_1o, 4, sp[0]->s_vec, sp[1]->s_vec, x, n);
+ else
+ dsp_add(sigfilter_perf8_1o, 4, sp[0]->s_vec, sp[1]->s_vec, x, n);
+ }
+ else
+ {
+ if(n&7)
+ dsp_add(sigfilter_perform_2o, 4, sp[0]->s_vec, sp[1]->s_vec, x, n);
+ else
+ dsp_add(sigfilter_perf8_2o, 4, sp[0]->s_vec, sp[1]->s_vec, x, n);
+ }
+}
+
+static void *sigfilter_new(t_symbol *s, int argc, t_atom *argv)
+{
+ t_sigfilter *x = (t_sigfilter *)pd_new(sigfilter_class);
+ char *filt_name;
+ int i;
+ 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 = sigfilter_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 = (float)atom_getfloatarg(1, argc, argv);
+ a = (float)atom_getfloatarg(2, argc, argv);
+ b = (float)atom_getfloatarg(3, argc, argv);
+ interpol = (float)atom_getfloatarg(4, argc, argv);
+ }
+ filt_name = (char *)filt_typ->s_name;
+ 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 / (float)i;
+ }
+
+ x->calc = sigfilter_snafu;
+
+ x->cur_a = 1.0f/a; /*a was Q*/
+ x->inv = 1;
+ x->hp = 0;
+
+ if(filt_name)
+ {
+ if(!strcmp(filt_name,"ap1"))
+ {
+ x->calc = sigfilter_ap1;
+ x->a1 = 1.0f;
+ x->first_order = 1;
+ }
+ else if(!strcmp(filt_name,"ap2"))
+ {
+ x->calc = sigfilter_ap2;
+ x->a2 = 1.0f;
+ }
+ else if(!strcmp(filt_name,"ap1c"))
+ {
+ x->calc = sigfilter_ap1;
+ x->a1 = 1.0f;
+ x->inv = 0;
+ x->cur_a = a; /*a was damping*/
+ x->first_order = 1;
+ }
+ else if(!strcmp(filt_name,"ap2c"))
+ {
+ x->calc = sigfilter_ap2;
+ x->a2 = 1.0f;
+ x->inv = 0;
+ x->cur_a = a; /*a was damping*/
+ }
+ else if(!strcmp(filt_name,"bpq2"))
+ {
+ x->calc = sigfilter_bp2;
+ }
+ else if(!strcmp(filt_name,"rbpq2"))
+ {
+ x->calc = sigfilter_rp2;
+ }
+ else if(!strcmp(filt_name,"bsq2"))
+ {
+ x->calc = sigfilter_bs2;
+ }
+ else if(!strcmp(filt_name,"bpw2"))
+ {
+ x->calc = sigfilter_bpw2;
+ x->inv = 0;
+ x->cur_a = a; /*a was bw*/
+ }
+ else if(!strcmp(filt_name,"rbpw2"))
+ {
+ x->calc = sigfilter_rpw2;
+ x->inv = 0;
+ x->cur_a = a; /*a was bw*/
+ }
+ else if(!strcmp(filt_name,"bsw2"))
+ {
+ x->calc = sigfilter_bsw2;
+ x->inv = 0;
+ x->cur_a = a; /*a was bw*/
+ }
+ else if(!strcmp(filt_name,"hp1"))
+ {
+ x->calc = sigfilter_hp1;
+ x->first_order = 1;
+ }
+ else if(!strcmp(filt_name,"hp2"))
+ {
+ x->calc = sigfilter_hp2;
+ }
+ else if(!strcmp(filt_name,"lp1"))
+ {
+ x->calc = sigfilter_lp1;
+ x->first_order = 1;
+ }
+ else if(!strcmp(filt_name,"lp2"))
+ {
+ x->calc = sigfilter_lp2;
+ }
+ else if(!strcmp(filt_name,"hp1c"))
+ {
+ x->calc = sigfilter_hp1;
+ x->cur_a = 1.0f / a;
+ x->first_order = 1;
+ }
+ else if(!strcmp(filt_name,"hp2c"))
+ {
+ x->calc = sigfilter_hp2;
+ x->inv = 0;
+ x->cur_a = a / b;
+ x->cur_b = 1.0f / b;
+ x->hp = 1;
+ }
+ else if(!strcmp(filt_name,"lp1c"))
+ {
+ x->calc = sigfilter_lp1;
+ x->inv = 0;
+ x->cur_a = a; /*a was damping*/
+ x->first_order = 1;
+ }
+ else if(!strcmp(filt_name,"lp2c"))
+ {
+ x->calc = sigfilter_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 sigfilter_setup(void)
+{
+ sigfilter_class = class_new(gensym("filter~"), (t_newmethod)sigfilter_new,
+ 0, sizeof(t_sigfilter), 0, A_GIMME, 0);
+ CLASS_MAINSIGNALIN(sigfilter_class, t_sigfilter, x_msi);
+ class_addmethod(sigfilter_class, (t_method)sigfilter_dsp, gensym("dsp"), 0);
+ class_addmethod(sigfilter_class, (t_method)sigfilter_ft1, gensym("ft1"), A_FLOAT, 0);
+ class_addmethod(sigfilter_class, (t_method)sigfilter_ft2, gensym("ft2"), A_FLOAT, 0);
+ class_addmethod(sigfilter_class, (t_method)sigfilter_ft3, gensym("ft3"), A_FLOAT, 0);
+ class_addmethod(sigfilter_class, (t_method)sigfilter_ft4, gensym("ft4"), A_FLOAT, 0);
+ class_addmethod(sigfilter_class, (t_method)sigfilter_print, gensym("print"), 0);
+ class_sethelpsymbol(sigfilter_class, gensym("iemhelp/help-filter~"));
+}
diff --git a/src/iemlib1/sighml_shelf.c b/src/iemlib1/sighml_shelf.c
index 474bd92..22d182c 100644
--- a/src/iemlib1/sighml_shelf.c
+++ b/src/iemlib1/sighml_shelf.c
@@ -1,557 +1,557 @@
-/* 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 */
-
-#ifdef NT
-#pragma warning( disable : 4244 )
-#pragma warning( disable : 4305 )
-#endif
-
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <math.h>
-#include <stdio.h>
-#include <string.h>
-
-
-/* ---------- hml_shelf~ - high-middle-low-shelving filter ----------- */
-
-typedef struct sighml_shelf
-{
- t_object x_obj;
- float wn1;
- float wn2;
- float a0;
- float a1;
- float a2;
- float b1;
- float b2;
- float sr;
- float cur_lf;
- float cur_hf;
- float cur_lg;
- float cur_mg;
- float cur_hg;
- float delta_lf;
- float delta_hf;
- float delta_lg;
- float delta_mg;
- float delta_hg;
- float end_lf;
- float end_hf;
- float end_lg;
- float end_mg;
- float end_hg;
- float ticks_per_interpol_time;
- float rcp_ticks;
- 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];
- float x_msi;
-} t_sighml_shelf;
-
-t_class *sighml_shelf_class;
-
-static void sighml_shelf_calc(t_sighml_shelf *x)
-{
- float rf = x->cur_hf/x->cur_lf;
- float mf = x->cur_hf*x->cur_lf;
- float lg = x->cur_lg;
- float rcplg = 1.0f/lg;
- float mg = x->cur_mg;
- float rcpmg = 1.0f/mg;
- float hg = x->cur_hg;
- float rcphg = 1.0f/hg;
- float f = mf*x->sr;
- float l = cos(f)/sin(f);
- float k1 = rf*l;
- float k2 = l/rf;
- float k3 = l*l;
- float k4 = k3*hg;
- float k5 = k3*rcphg;
- float k6 = rcplg + k5;
- float k7 = rcpmg*k1 + k2*rcplg*rcphg*mg;
- float k8 = lg + k4;
- float k9 = mg*k1 + k2*lg*hg*rcpmg;
- 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 sighml_shelf_dsp_tick(t_sighml_shelf *x)
-{
- if(x->event_mask)
- {
- 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;
- }
- }
- sighml_shelf_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 *sighml_shelf_perform(t_int *w)
-{
- float *in = (float *)(w[1]);
- float *out = (float *)(w[2]);
- t_sighml_shelf *x = (t_sighml_shelf *)(w[3]);
- int i, n = (t_int)(w[4]);
- float wn0, wn1=x->wn1, wn2=x->wn2;
- float a0=x->a0, a1=x->a1, a2=x->a2;
- float b1=x->b1, b2=x->b2;
-
- sighml_shelf_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 *sighml_shelf_perf8(t_int *w)
-{
- float *in = (float *)(w[1]);
- float *out = (float *)(w[2]);
- t_sighml_shelf *x = (t_sighml_shelf *)(w[3]);
- int i, n = (t_int)(w[4]);
- float wn[10];
- float a0=x->a0, a1=x->a1, a2=x->a2;
- float b1=x->b1, b2=x->b2;
-
- sighml_shelf_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 sighml_shelf_ft6(t_sighml_shelf *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 / (float)i;
-}
-
-static void sighml_shelf_ft5(t_sighml_shelf *x, t_floatarg hl)
-{
- 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 sighml_shelf_ft4(t_sighml_shelf *x, t_floatarg hf)
-{
- 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 sighml_shelf_ft3(t_sighml_shelf *x, t_floatarg ml)
-{
- 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 sighml_shelf_ft2(t_sighml_shelf *x, t_floatarg lf)
-{
- 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 sighml_shelf_ft1(t_sighml_shelf *x, t_floatarg ll)
-{
- 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 sighml_shelf_print(t_sighml_shelf *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 sighml_shelf_dsp(t_sighml_shelf *x, t_signal **sp)
-{
- int i, n=(int)sp[0]->s_n;
-
- x->sr = 3.14159265358979323846f / (float)(sp[0]->s_sr);
- x->ticks_per_interpol_time = 0.001f * (float)(sp[0]->s_sr) / (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 / (float)i;
- if(n&7)
- dsp_add(sighml_shelf_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, n);
- else
- dsp_add(sighml_shelf_perf8, 4, sp[0]->s_vec, sp[1]->s_vec, x, n);
-}
-
-static void *sighml_shelf_new(t_symbol *s, int argc, t_atom *argv)
-{
- t_sighml_shelf *x = (t_sighml_shelf *)pd_new(sighml_shelf_class);
- int i;
- 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 = (float)atom_getfloatarg(0, argc, argv);
- lf = (float)atom_getfloatarg(1, argc, argv);
- ml = (float)atom_getfloatarg(2, argc, argv);
- hf = (float)atom_getfloatarg(3, argc, argv);
- hl = (float)atom_getfloatarg(4, argc, argv);
- interpol = (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 / (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 sighml_shelf_setup(void)
-{
- sighml_shelf_class = class_new(gensym("hml_shelf~"), (t_newmethod)sighml_shelf_new,
- 0, sizeof(t_sighml_shelf), 0, A_GIMME, 0);
- CLASS_MAINSIGNALIN(sighml_shelf_class, t_sighml_shelf, x_msi);
- class_addmethod(sighml_shelf_class, (t_method)sighml_shelf_dsp, gensym("dsp"), 0);
- class_addmethod(sighml_shelf_class, (t_method)sighml_shelf_ft1, gensym("ft1"), A_FLOAT, 0);
- class_addmethod(sighml_shelf_class, (t_method)sighml_shelf_ft2, gensym("ft2"), A_FLOAT, 0);
- class_addmethod(sighml_shelf_class, (t_method)sighml_shelf_ft3, gensym("ft3"), A_FLOAT, 0);
- class_addmethod(sighml_shelf_class, (t_method)sighml_shelf_ft4, gensym("ft4"), A_FLOAT, 0);
- class_addmethod(sighml_shelf_class, (t_method)sighml_shelf_ft5, gensym("ft5"), A_FLOAT, 0);
- class_addmethod(sighml_shelf_class, (t_method)sighml_shelf_ft6, gensym("ft6"), A_FLOAT, 0);
- class_addmethod(sighml_shelf_class, (t_method)sighml_shelf_print, gensym("print"), 0);
- class_sethelpsymbol(sighml_shelf_class, gensym("iemhelp/help-hml_shelf~"));
-}
+/* 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 */
+
+#ifdef NT
+#pragma warning( disable : 4244 )
+#pragma warning( disable : 4305 )
+#endif
+
+
+#include "m_pd.h"
+#include "iemlib.h"
+#include <math.h>
+#include <stdio.h>
+#include <string.h>
+
+
+/* ---------- hml_shelf~ - high-middle-low-shelving filter ----------- */
+
+typedef struct sighml_shelf
+{
+ t_object x_obj;
+ float wn1;
+ float wn2;
+ float a0;
+ float a1;
+ float a2;
+ float b1;
+ float b2;
+ float sr;
+ float cur_lf;
+ float cur_hf;
+ float cur_lg;
+ float cur_mg;
+ float cur_hg;
+ float delta_lf;
+ float delta_hf;
+ float delta_lg;
+ float delta_mg;
+ float delta_hg;
+ float end_lf;
+ float end_hf;
+ float end_lg;
+ float end_mg;
+ float end_hg;
+ float ticks_per_interpol_time;
+ float rcp_ticks;
+ 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];
+ float x_msi;
+} t_sighml_shelf;
+
+t_class *sighml_shelf_class;
+
+static void sighml_shelf_calc(t_sighml_shelf *x)
+{
+ float rf = x->cur_hf/x->cur_lf;
+ float mf = x->cur_hf*x->cur_lf;
+ float lg = x->cur_lg;
+ float rcplg = 1.0f/lg;
+ float mg = x->cur_mg;
+ float rcpmg = 1.0f/mg;
+ float hg = x->cur_hg;
+ float rcphg = 1.0f/hg;
+ float f = mf*x->sr;
+ float l = cos(f)/sin(f);
+ float k1 = rf*l;
+ float k2 = l/rf;
+ float k3 = l*l;
+ float k4 = k3*hg;
+ float k5 = k3*rcphg;
+ float k6 = rcplg + k5;
+ float k7 = rcpmg*k1 + k2*rcplg*rcphg*mg;
+ float k8 = lg + k4;
+ float k9 = mg*k1 + k2*lg*hg*rcpmg;
+ 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 sighml_shelf_dsp_tick(t_sighml_shelf *x)
+{
+ if(x->event_mask)
+ {
+ 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;
+ }
+ }
+ sighml_shelf_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 *sighml_shelf_perform(t_int *w)
+{
+ float *in = (float *)(w[1]);
+ float *out = (float *)(w[2]);
+ t_sighml_shelf *x = (t_sighml_shelf *)(w[3]);
+ int i, n = (t_int)(w[4]);
+ float wn0, wn1=x->wn1, wn2=x->wn2;
+ float a0=x->a0, a1=x->a1, a2=x->a2;
+ float b1=x->b1, b2=x->b2;
+
+ sighml_shelf_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 *sighml_shelf_perf8(t_int *w)
+{
+ float *in = (float *)(w[1]);
+ float *out = (float *)(w[2]);
+ t_sighml_shelf *x = (t_sighml_shelf *)(w[3]);
+ int i, n = (t_int)(w[4]);
+ float wn[10];
+ float a0=x->a0, a1=x->a1, a2=x->a2;
+ float b1=x->b1, b2=x->b2;
+
+ sighml_shelf_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 sighml_shelf_ft6(t_sighml_shelf *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 / (float)i;
+}
+
+static void sighml_shelf_ft5(t_sighml_shelf *x, t_floatarg hl)
+{
+ 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 sighml_shelf_ft4(t_sighml_shelf *x, t_floatarg hf)
+{
+ 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 sighml_shelf_ft3(t_sighml_shelf *x, t_floatarg ml)
+{
+ 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 sighml_shelf_ft2(t_sighml_shelf *x, t_floatarg lf)
+{
+ 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 sighml_shelf_ft1(t_sighml_shelf *x, t_floatarg ll)
+{
+ 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 sighml_shelf_print(t_sighml_shelf *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 sighml_shelf_dsp(t_sighml_shelf *x, t_signal **sp)
+{
+ int i, n=(int)sp[0]->s_n;
+
+ x->sr = 3.14159265358979323846f / (float)(sp[0]->s_sr);
+ x->ticks_per_interpol_time = 0.001f * (float)(sp[0]->s_sr) / (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 / (float)i;
+ if(n&7)
+ dsp_add(sighml_shelf_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, n);
+ else
+ dsp_add(sighml_shelf_perf8, 4, sp[0]->s_vec, sp[1]->s_vec, x, n);
+}
+
+static void *sighml_shelf_new(t_symbol *s, int argc, t_atom *argv)
+{
+ t_sighml_shelf *x = (t_sighml_shelf *)pd_new(sighml_shelf_class);
+ int i;
+ 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 = (float)atom_getfloatarg(0, argc, argv);
+ lf = (float)atom_getfloatarg(1, argc, argv);
+ ml = (float)atom_getfloatarg(2, argc, argv);
+ hf = (float)atom_getfloatarg(3, argc, argv);
+ hl = (float)atom_getfloatarg(4, argc, argv);
+ interpol = (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 / (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 sighml_shelf_setup(void)
+{
+ sighml_shelf_class = class_new(gensym("hml_shelf~"), (t_newmethod)sighml_shelf_new,
+ 0, sizeof(t_sighml_shelf), 0, A_GIMME, 0);
+ CLASS_MAINSIGNALIN(sighml_shelf_class, t_sighml_shelf, x_msi);
+ class_addmethod(sighml_shelf_class, (t_method)sighml_shelf_dsp, gensym("dsp"), 0);
+ class_addmethod(sighml_shelf_class, (t_method)sighml_shelf_ft1, gensym("ft1"), A_FLOAT, 0);
+ class_addmethod(sighml_shelf_class, (t_method)sighml_shelf_ft2, gensym("ft2"), A_FLOAT, 0);
+ class_addmethod(sighml_shelf_class, (t_method)sighml_shelf_ft3, gensym("ft3"), A_FLOAT, 0);
+ class_addmethod(sighml_shelf_class, (t_method)sighml_shelf_ft4, gensym("ft4"), A_FLOAT, 0);
+ class_addmethod(sighml_shelf_class, (t_method)sighml_shelf_ft5, gensym("ft5"), A_FLOAT, 0);
+ class_addmethod(sighml_shelf_class, (t_method)sighml_shelf_ft6, gensym("ft6"), A_FLOAT, 0);
+ class_addmethod(sighml_shelf_class, (t_method)sighml_shelf_print, gensym("print"), 0);
+ class_sethelpsymbol(sighml_shelf_class, gensym("iemhelp/help-hml_shelf~"));
+}
diff --git a/src/iemlib1/sigiem_cot4.c b/src/iemlib1/sigiem_cot4.c
index 37a7789..632b405 100644
--- a/src/iemlib1/sigiem_cot4.c
+++ b/src/iemlib1/sigiem_cot4.c
@@ -1,175 +1,175 @@
-/* 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 */
-
-#ifdef NT
-#pragma warning( disable : 4244 )
-#pragma warning( disable : 4305 )
-#endif
-
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <math.h>
-#include <stdio.h>
-#include <string.h>
-
-/* ------------------------ iem_cot4~ ----------------------------- */
-
-float *iem_cot4_table_cos=(float *)0L;
-float *iem_cot4_table_sin=(float *)0L;
-
-static t_class *sigiem_cot4_class;
-
-typedef struct _sigiem_cot4
-{
- t_object x_obj;
- float x_sr;
- float x_msi;
-} t_sigiem_cot4;
-
-static t_int *sigiem_cot4_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_sigiem_cot4 *x = (t_sigiem_cot4 *)(w[3]);
- t_float sr=x->x_sr;
- int n = (int)(w[4]);
- float *ctab = iem_cot4_table_cos, *stab = iem_cot4_table_sin;
- 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 * (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 * (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 * (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 sigiem_cot4_dsp(t_sigiem_cot4 *x, t_signal **sp)
-{
- x->x_sr = 2.0f / (float)sp[0]->s_sr;
- dsp_add(sigiem_cot4_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, sp[0]->s_n);
-}
-
-static void sigiem_cot4_maketable(void)
-{
- int i;
- float *fp, phase, fff, phsinc = 0.5*3.141592653 / ((float)COSTABSIZE);
- union tabfudge tf;
-
- if(!iem_cot4_table_sin)
- {
- iem_cot4_table_sin = (float *)getbytes(sizeof(float) * (COSTABSIZE+1));
- for(i=COSTABSIZE+1, fp=iem_cot4_table_sin, phase=0; i--; fp++, phase+=phsinc)
- *fp = sin(phase);
- }
- if(!iem_cot4_table_cos)
- {
- iem_cot4_table_cos = (float *)getbytes(sizeof(float) * (COSTABSIZE+1));
- for(i=COSTABSIZE+1, fp=iem_cot4_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 *sigiem_cot4_new(void)
-{
- t_sigiem_cot4 *x = (t_sigiem_cot4 *)pd_new(sigiem_cot4_class);
-
- outlet_new(&x->x_obj, gensym("signal"));
- x->x_msi = 0;
- return (x);
-}
-
-void sigiem_cot4_setup(void)
-{
- sigiem_cot4_class = class_new(gensym("iem_cot4~"), (t_newmethod)sigiem_cot4_new, 0,
- sizeof(t_sigiem_cot4), 0, 0);
- class_addcreator((t_newmethod)sigiem_cot4_new, gensym("iem_cot~"), 0);
- CLASS_MAINSIGNALIN(sigiem_cot4_class, t_sigiem_cot4, x_msi);
- class_addmethod(sigiem_cot4_class, (t_method)sigiem_cot4_dsp, gensym("dsp"), 0);
- sigiem_cot4_maketable();
- class_sethelpsymbol(sigiem_cot4_class, gensym("iemhelp/help-iem_cot4~"));
-}
+/* 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 */
+
+#ifdef NT
+#pragma warning( disable : 4244 )
+#pragma warning( disable : 4305 )
+#endif
+
+
+#include "m_pd.h"
+#include "iemlib.h"
+#include <math.h>
+#include <stdio.h>
+#include <string.h>
+
+/* ------------------------ iem_cot4~ ----------------------------- */
+
+float *iem_cot4_table_cos=(float *)0L;
+float *iem_cot4_table_sin=(float *)0L;
+
+static t_class *sigiem_cot4_class;
+
+typedef struct _sigiem_cot4
+{
+ t_object x_obj;
+ float x_sr;
+ float x_msi;
+} t_sigiem_cot4;
+
+static t_int *sigiem_cot4_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_sigiem_cot4 *x = (t_sigiem_cot4 *)(w[3]);
+ t_float sr=x->x_sr;
+ int n = (int)(w[4]);
+ float *ctab = iem_cot4_table_cos, *stab = iem_cot4_table_sin;
+ 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 * (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 * (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 * (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 sigiem_cot4_dsp(t_sigiem_cot4 *x, t_signal **sp)
+{
+ x->x_sr = 2.0f / (float)sp[0]->s_sr;
+ dsp_add(sigiem_cot4_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, sp[0]->s_n);
+}
+
+static void sigiem_cot4_maketable(void)
+{
+ int i;
+ float *fp, phase, fff, phsinc = 0.5*3.141592653 / ((float)COSTABSIZE);
+ union tabfudge tf;
+
+ if(!iem_cot4_table_sin)
+ {
+ iem_cot4_table_sin = (float *)getbytes(sizeof(float) * (COSTABSIZE+1));
+ for(i=COSTABSIZE+1, fp=iem_cot4_table_sin, phase=0; i--; fp++, phase+=phsinc)
+ *fp = sin(phase);
+ }
+ if(!iem_cot4_table_cos)
+ {
+ iem_cot4_table_cos = (float *)getbytes(sizeof(float) * (COSTABSIZE+1));
+ for(i=COSTABSIZE+1, fp=iem_cot4_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 *sigiem_cot4_new(void)
+{
+ t_sigiem_cot4 *x = (t_sigiem_cot4 *)pd_new(sigiem_cot4_class);
+
+ outlet_new(&x->x_obj, gensym("signal"));
+ x->x_msi = 0;
+ return (x);
+}
+
+void sigiem_cot4_setup(void)
+{
+ sigiem_cot4_class = class_new(gensym("iem_cot4~"), (t_newmethod)sigiem_cot4_new, 0,
+ sizeof(t_sigiem_cot4), 0, 0);
+ class_addcreator((t_newmethod)sigiem_cot4_new, gensym("iem_cot~"), 0);
+ CLASS_MAINSIGNALIN(sigiem_cot4_class, t_sigiem_cot4, x_msi);
+ class_addmethod(sigiem_cot4_class, (t_method)sigiem_cot4_dsp, gensym("dsp"), 0);
+ sigiem_cot4_maketable();
+ class_sethelpsymbol(sigiem_cot4_class, gensym("iemhelp/help-iem_cot4~"));
+}
diff --git a/src/iemlib1/sigiem_delay.c b/src/iemlib1/sigiem_delay.c
index e66e16b..7361799 100644
--- a/src/iemlib1/sigiem_delay.c
+++ b/src/iemlib1/sigiem_delay.c
@@ -1,209 +1,209 @@
-/* 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 */
-
-#ifdef NT
-#pragma warning( disable : 4244 )
-#pragma warning( disable : 4305 )
-#endif
-
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <math.h>
-#include <stdio.h>
-#include <string.h>
-
-/* -------------------------- sigiem_delay~ ------------------------------ */
-
-static t_class *sigiem_delay_class;
-
-#define IEMDELAY_DEF_VEC_SIZE 64
-
-typedef struct _sigiem_delay
-{
- 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_sigiem_delay;
-
-static void sigiem_delay_cur_del(t_sigiem_delay *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 *sigiem_delay_perform(t_int *w)
-{
- t_float *in = (t_float *)(w[1]);
- t_float *out = (t_float *)(w[2]);
- t_sigiem_delay *x = (t_sigiem_delay *)(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 *sigiem_delay_perf8(t_int *w)
-{
- t_float *in = (t_float *)(w[1]);
- t_float *out = (t_float *)(w[2]);
- t_sigiem_delay *x = (t_sigiem_delay *)(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 sigiem_delay_dsp(t_sigiem_delay *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(sigiem_delay_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, blocksize);
- else
- dsp_add(sigiem_delay_perf8, 4, sp[0]->s_vec, sp[1]->s_vec, x, blocksize);
-}
-
-static void *sigiem_delay_new(t_floatarg max_delay_ms, t_floatarg current_delay_ms)
-{
- t_sigiem_delay *x = (t_sigiem_delay *)pd_new(sigiem_delay_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 sigiem_delay_free(t_sigiem_delay *x)
-{
- freebytes(x->x_begmem1, 2 * x->x_mallocsize * sizeof(t_float));
-}
-
-void sigiem_delay_setup(void)
-{
- sigiem_delay_class = class_new(gensym("iem_delay~"), (t_newmethod)sigiem_delay_new, (t_method)sigiem_delay_free,
- sizeof(t_sigiem_delay), 0, A_DEFFLOAT, A_DEFFLOAT, 0);
- CLASS_MAINSIGNALIN(sigiem_delay_class, t_sigiem_delay, x_msi);
- class_addmethod(sigiem_delay_class, (t_method)sigiem_delay_dsp, gensym("dsp"), 0);
- class_addmethod(sigiem_delay_class, (t_method)sigiem_delay_cur_del, gensym("ft1"), A_FLOAT, 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 */
+
+#ifdef NT
+#pragma warning( disable : 4244 )
+#pragma warning( disable : 4305 )
+#endif
+
+
+#include "m_pd.h"
+#include "iemlib.h"
+#include <math.h>
+#include <stdio.h>
+#include <string.h>
+
+/* -------------------------- sigiem_delay~ ------------------------------ */
+
+static t_class *sigiem_delay_class;
+
+#define IEMDELAY_DEF_VEC_SIZE 64
+
+typedef struct _sigiem_delay
+{
+ 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_sigiem_delay;
+
+static void sigiem_delay_cur_del(t_sigiem_delay *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 *sigiem_delay_perform(t_int *w)
+{
+ t_float *in = (t_float *)(w[1]);
+ t_float *out = (t_float *)(w[2]);
+ t_sigiem_delay *x = (t_sigiem_delay *)(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 *sigiem_delay_perf8(t_int *w)
+{
+ t_float *in = (t_float *)(w[1]);
+ t_float *out = (t_float *)(w[2]);
+ t_sigiem_delay *x = (t_sigiem_delay *)(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 sigiem_delay_dsp(t_sigiem_delay *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(sigiem_delay_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, blocksize);
+ else
+ dsp_add(sigiem_delay_perf8, 4, sp[0]->s_vec, sp[1]->s_vec, x, blocksize);
+}
+
+static void *sigiem_delay_new(t_floatarg max_delay_ms, t_floatarg current_delay_ms)
+{
+ t_sigiem_delay *x = (t_sigiem_delay *)pd_new(sigiem_delay_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 sigiem_delay_free(t_sigiem_delay *x)
+{
+ freebytes(x->x_begmem1, 2 * x->x_mallocsize * sizeof(t_float));
+}
+
+void sigiem_delay_setup(void)
+{
+ sigiem_delay_class = class_new(gensym("iem_delay~"), (t_newmethod)sigiem_delay_new, (t_method)sigiem_delay_free,
+ sizeof(t_sigiem_delay), 0, A_DEFFLOAT, A_DEFFLOAT, 0);
+ CLASS_MAINSIGNALIN(sigiem_delay_class, t_sigiem_delay, x_msi);
+ class_addmethod(sigiem_delay_class, (t_method)sigiem_delay_dsp, gensym("dsp"), 0);
+ class_addmethod(sigiem_delay_class, (t_method)sigiem_delay_cur_del, gensym("ft1"), A_FLOAT, 0);
+}
diff --git a/src/iemlib1/sigiem_pow4.c b/src/iemlib1/sigiem_pow4.c
index 4cc8232..482b16b 100644
--- a/src/iemlib1/sigiem_pow4.c
+++ b/src/iemlib1/sigiem_pow4.c
@@ -1,86 +1,86 @@
-/* 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 */
-
-#ifdef NT
-#pragma warning( disable : 4244 )
-#pragma warning( disable : 4305 )
-#endif
-
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <math.h>
-#include <stdio.h>
-#include <string.h>
-
-/* ------------------------ iem_pow4~ ----------------------------- */
-
-static t_class *sigiem_pow4_class;
-
-typedef struct _sigiem_pow4
-{
- t_object x_obj;
- float x_exp;
- float x_msi;
-} t_sigiem_pow4;
-
-static void sigiem_pow4_ft1(t_sigiem_pow4 *x, t_floatarg f)
-{
- x->x_exp = f;
-}
-
-static t_int *sigiem_pow4_perform(t_int *w)
-{
- t_float *in = (t_float *)(w[1]);
- t_float *out = (t_float *)(w[2]);
- t_sigiem_pow4 *x = (t_sigiem_pow4 *)(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 sigiem_pow4_dsp(t_sigiem_pow4 *x, t_signal **sp)
-{
- dsp_add(sigiem_pow4_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, sp[0]->s_n);
-}
-
-static void *sigiem_pow4_new(t_floatarg f)
-{
- t_sigiem_pow4 *x = (t_sigiem_pow4 *)pd_new(sigiem_pow4_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 sigiem_pow4_setup(void)
-{
- sigiem_pow4_class = class_new(gensym("iem_pow4~"), (t_newmethod)sigiem_pow4_new, 0,
- sizeof(t_sigiem_pow4), 0, A_DEFFLOAT, 0);
- class_addcreator((t_newmethod)sigiem_pow4_new, gensym("icot~"), 0);
- CLASS_MAINSIGNALIN(sigiem_pow4_class, t_sigiem_pow4, x_msi);
- class_addmethod(sigiem_pow4_class, (t_method)sigiem_pow4_dsp, gensym("dsp"), 0);
- class_addmethod(sigiem_pow4_class, (t_method)sigiem_pow4_ft1, gensym("ft1"), A_FLOAT, 0);
- class_sethelpsymbol(sigiem_pow4_class, gensym("iemhelp/help-iem_pow4~"));
-}
+/* 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 */
+
+#ifdef NT
+#pragma warning( disable : 4244 )
+#pragma warning( disable : 4305 )
+#endif
+
+
+#include "m_pd.h"
+#include "iemlib.h"
+#include <math.h>
+#include <stdio.h>
+#include <string.h>
+
+/* ------------------------ iem_pow4~ ----------------------------- */
+
+static t_class *sigiem_pow4_class;
+
+typedef struct _sigiem_pow4
+{
+ t_object x_obj;
+ float x_exp;
+ float x_msi;
+} t_sigiem_pow4;
+
+static void sigiem_pow4_ft1(t_sigiem_pow4 *x, t_floatarg f)
+{
+ x->x_exp = f;
+}
+
+static t_int *sigiem_pow4_perform(t_int *w)
+{
+ t_float *in = (t_float *)(w[1]);
+ t_float *out = (t_float *)(w[2]);
+ t_sigiem_pow4 *x = (t_sigiem_pow4 *)(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 sigiem_pow4_dsp(t_sigiem_pow4 *x, t_signal **sp)
+{
+ dsp_add(sigiem_pow4_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, sp[0]->s_n);
+}
+
+static void *sigiem_pow4_new(t_floatarg f)
+{
+ t_sigiem_pow4 *x = (t_sigiem_pow4 *)pd_new(sigiem_pow4_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 sigiem_pow4_setup(void)
+{
+ sigiem_pow4_class = class_new(gensym("iem_pow4~"), (t_newmethod)sigiem_pow4_new, 0,
+ sizeof(t_sigiem_pow4), 0, A_DEFFLOAT, 0);
+ class_addcreator((t_newmethod)sigiem_pow4_new, gensym("icot~"), 0);
+ CLASS_MAINSIGNALIN(sigiem_pow4_class, t_sigiem_pow4, x_msi);
+ class_addmethod(sigiem_pow4_class, (t_method)sigiem_pow4_dsp, gensym("dsp"), 0);
+ class_addmethod(sigiem_pow4_class, (t_method)sigiem_pow4_ft1, gensym("ft1"), A_FLOAT, 0);
+ class_sethelpsymbol(sigiem_pow4_class, gensym("iemhelp/help-iem_pow4~"));
+}
diff --git a/src/iemlib1/sigiem_sqrt4.c b/src/iemlib1/sigiem_sqrt4.c
index 9787fa1..b6227ab 100644
--- a/src/iemlib1/sigiem_sqrt4.c
+++ b/src/iemlib1/sigiem_sqrt4.c
@@ -1,116 +1,116 @@
-/* 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 */
-
-#ifdef NT
-#pragma warning( disable : 4244 )
-#pragma warning( disable : 4305 )
-#endif
-
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <math.h>
-#include <stdio.h>
-#include <string.h>
-
-#define IEMSQRT4TAB1SIZE 256
-#define IEMSQRT4TAB2SIZE 1024
-
-/* ------------------------ iem_sqrt4~ ----------------------------- */
-
-float *iem_sqrt4_exptab=(float *)0L;
-float *iem_sqrt4_mantissatab=(float *)0L;
-
-static t_class *sigiem_sqrt4_class;
-
-typedef struct _sigiem_sqrt4
-{
- t_object x_obj;
- float x_msi;
-} t_sigiem_sqrt4;
-
-static t_int *sigiem_sqrt4_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--)
- {
- float f = *in;
- 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_exptab[(l >> 23) & 0xff] * iem_sqrt4_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 sigiem_sqrt4_dsp(t_sigiem_sqrt4 *x, t_signal **sp)
-{
- dsp_add(sigiem_sqrt4_perform, 3, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n);
-}
-
-static void sigiem_sqrt4_maketable(void)
-{
- int i;
- float f;
- long l;
-
- if(!iem_sqrt4_exptab)
- {
- iem_sqrt4_exptab = (float *)getbytes(sizeof(float) * IEMSQRT4TAB1SIZE);
- for(i=0; i<IEMSQRT4TAB1SIZE; i++)
- {
- l = (i ? (i == IEMSQRT4TAB1SIZE-1 ? IEMSQRT4TAB1SIZE-2 : i) : 1)<< 23;
- *(long *)(&f) = l;
- iem_sqrt4_exptab[i] = 1.0f/sqrt(f);
- }
- }
- if(!iem_sqrt4_mantissatab)
- {
- iem_sqrt4_mantissatab = (float *)getbytes(sizeof(float) * IEMSQRT4TAB2SIZE);
- for(i=0; i<IEMSQRT4TAB2SIZE; i++)
- {
- f = 1.0f + (1.0f/(float)IEMSQRT4TAB2SIZE) * (float)i;
- iem_sqrt4_mantissatab[i] = 1.0f/sqrt(f);
- }
- }
-}
-
-static void *sigiem_sqrt4_new(void)
-{
- t_sigiem_sqrt4 *x = (t_sigiem_sqrt4 *)pd_new(sigiem_sqrt4_class);
-
- outlet_new(&x->x_obj, gensym("signal"));
- x->x_msi = 0;
- return (x);
-}
-
-void sigiem_sqrt4_setup(void)
-{
- sigiem_sqrt4_class = class_new(gensym("iem_sqrt4~"), (t_newmethod)sigiem_sqrt4_new, 0,
- sizeof(t_sigiem_sqrt4), 0, 0);
- CLASS_MAINSIGNALIN(sigiem_sqrt4_class, t_sigiem_sqrt4, x_msi);
- class_addmethod(sigiem_sqrt4_class, (t_method)sigiem_sqrt4_dsp, gensym("dsp"), 0);
- sigiem_sqrt4_maketable();
- class_sethelpsymbol(sigiem_sqrt4_class, gensym("iemhelp/help-iem_sqrt4~"));
-}
+/* 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 */
+
+#ifdef NT
+#pragma warning( disable : 4244 )
+#pragma warning( disable : 4305 )
+#endif
+
+
+#include "m_pd.h"
+#include "iemlib.h"
+#include <math.h>
+#include <stdio.h>
+#include <string.h>
+
+#define IEMSQRT4TAB1SIZE 256
+#define IEMSQRT4TAB2SIZE 1024
+
+/* ------------------------ iem_sqrt4~ ----------------------------- */
+
+float *iem_sqrt4_exptab=(float *)0L;
+float *iem_sqrt4_mantissatab=(float *)0L;
+
+static t_class *sigiem_sqrt4_class;
+
+typedef struct _sigiem_sqrt4
+{
+ t_object x_obj;
+ float x_msi;
+} t_sigiem_sqrt4;
+
+static t_int *sigiem_sqrt4_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--)
+ {
+ float f = *in;
+ 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_exptab[(l >> 23) & 0xff] * iem_sqrt4_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 sigiem_sqrt4_dsp(t_sigiem_sqrt4 *x, t_signal **sp)
+{
+ dsp_add(sigiem_sqrt4_perform, 3, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n);
+}
+
+static void sigiem_sqrt4_maketable(void)
+{
+ int i;
+ float f;
+ long l;
+
+ if(!iem_sqrt4_exptab)
+ {
+ iem_sqrt4_exptab = (float *)getbytes(sizeof(float) * IEMSQRT4TAB1SIZE);
+ for(i=0; i<IEMSQRT4TAB1SIZE; i++)
+ {
+ l = (i ? (i == IEMSQRT4TAB1SIZE-1 ? IEMSQRT4TAB1SIZE-2 : i) : 1)<< 23;
+ *(long *)(&f) = l;
+ iem_sqrt4_exptab[i] = 1.0f/sqrt(f);
+ }
+ }
+ if(!iem_sqrt4_mantissatab)
+ {
+ iem_sqrt4_mantissatab = (float *)getbytes(sizeof(float) * IEMSQRT4TAB2SIZE);
+ for(i=0; i<IEMSQRT4TAB2SIZE; i++)
+ {
+ f = 1.0f + (1.0f/(float)IEMSQRT4TAB2SIZE) * (float)i;
+ iem_sqrt4_mantissatab[i] = 1.0f/sqrt(f);
+ }
+ }
+}
+
+static void *sigiem_sqrt4_new(void)
+{
+ t_sigiem_sqrt4 *x = (t_sigiem_sqrt4 *)pd_new(sigiem_sqrt4_class);
+
+ outlet_new(&x->x_obj, gensym("signal"));
+ x->x_msi = 0;
+ return (x);
+}
+
+void sigiem_sqrt4_setup(void)
+{
+ sigiem_sqrt4_class = class_new(gensym("iem_sqrt4~"), (t_newmethod)sigiem_sqrt4_new, 0,
+ sizeof(t_sigiem_sqrt4), 0, 0);
+ CLASS_MAINSIGNALIN(sigiem_sqrt4_class, t_sigiem_sqrt4, x_msi);
+ class_addmethod(sigiem_sqrt4_class, (t_method)sigiem_sqrt4_dsp, gensym("dsp"), 0);
+ sigiem_sqrt4_maketable();
+ class_sethelpsymbol(sigiem_sqrt4_class, gensym("iemhelp/help-iem_sqrt4~"));
+}
diff --git a/src/iemlib1/siglp1_t.c b/src/iemlib1/siglp1_t.c
index 6b713da..610883d 100644
--- a/src/iemlib1/siglp1_t.c
+++ b/src/iemlib1/siglp1_t.c
@@ -1,219 +1,219 @@
-/* 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 */
-
-#ifdef NT
-#pragma warning( disable : 4244 )
-#pragma warning( disable : 4305 )
-#endif
-
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <math.h>
-#include <stdio.h>
-#include <string.h>
-
-
-/* -- lp1_t~ - slow dynamic lowpass-filter 1. order with tau input --- */
-
-typedef struct siglp1_t
-{
- t_object x_obj;
- float yn1;
- float c0;
- float c1;
- float sr;
- float cur_t;
- float delta_t;
- float end_t;
- float ticks_per_interpol_time;
- float rcp_ticks;
- float interpol_time;
- int ticks;
- int counter_t;
- float x_msi;
-} t_siglp1_t;
-
-t_class *siglp1_t_class;
-
-static void siglp1_t_dsp_tick(t_siglp1_t *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 *siglp1_t_perform(t_int *w)
-{
- float *in = (float *)(w[1]);
- float *out = (float *)(w[2]);
- t_siglp1_t *x = (t_siglp1_t *)(w[3]);
- int i, n = (t_int)(w[4]);
- float yn0, yn1=x->yn1;
- float c0=x->c0, c1=x->c1;
-
- siglp1_t_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 *siglp1_t_perf8(t_int *w)
-{
- float *in = (float *)(w[1]);
- float *out = (float *)(w[2]);
- t_siglp1_t *x = (t_siglp1_t *)(w[3]);
- int i, n = (t_int)(w[4]);
- float yn[9];
- float c0=x->c0, c1=x->c1;
-
- siglp1_t_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 siglp1_t_ft2(t_siglp1_t *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 / (float)i;
-}
-
-static void siglp1_t_ft1(t_siglp1_t *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 siglp1_t_dsp(t_siglp1_t *x, t_signal **sp)
-{
- int i, n=(int)sp[0]->s_n;
-
- x->sr = -1000.0f / (float)(sp[0]->s_sr);
- x->ticks_per_interpol_time = 0.001f * (float)(sp[0]->s_sr) / (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 / (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(siglp1_t_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, n);
- else
- dsp_add(siglp1_t_perf8, 4, sp[0]->s_vec, sp[1]->s_vec, x, n);
-}
-
-static void *siglp1_t_new(t_symbol *s, int argc, t_atom *argv)
-{
- t_siglp1_t *x = (t_siglp1_t *)pd_new(siglp1_t_class);
- int i;
- 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 = (float)atom_getfloatarg(0, argc, argv);
- if((argc >= 2)&&IS_A_FLOAT(argv,1))
- interpol = (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 / (float)i;
- x->end_t = x->cur_t;
- return (x);
-}
-
-void siglp1_t_setup(void)
-{
- siglp1_t_class = class_new(gensym("lp1_t~"), (t_newmethod)siglp1_t_new,
- 0, sizeof(t_siglp1_t), 0, A_GIMME, 0);
- CLASS_MAINSIGNALIN(siglp1_t_class, t_siglp1_t, x_msi);
- class_addmethod(siglp1_t_class, (t_method)siglp1_t_dsp, gensym("dsp"), 0);
- class_addmethod(siglp1_t_class, (t_method)siglp1_t_ft1, gensym("ft1"), A_FLOAT, 0);
- class_addmethod(siglp1_t_class, (t_method)siglp1_t_ft2, gensym("ft2"), A_FLOAT, 0);
- class_sethelpsymbol(siglp1_t_class, gensym("iemhelp/help-lp1_t~"));
-}
+/* 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 */
+
+#ifdef NT
+#pragma warning( disable : 4244 )
+#pragma warning( disable : 4305 )
+#endif
+
+
+#include "m_pd.h"
+#include "iemlib.h"
+#include <math.h>
+#include <stdio.h>
+#include <string.h>
+
+
+/* -- lp1_t~ - slow dynamic lowpass-filter 1. order with tau input --- */
+
+typedef struct siglp1_t
+{
+ t_object x_obj;
+ float yn1;
+ float c0;
+ float c1;
+ float sr;
+ float cur_t;
+ float delta_t;
+ float end_t;
+ float ticks_per_interpol_time;
+ float rcp_ticks;
+ float interpol_time;
+ int ticks;
+ int counter_t;
+ float x_msi;
+} t_siglp1_t;
+
+t_class *siglp1_t_class;
+
+static void siglp1_t_dsp_tick(t_siglp1_t *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 *siglp1_t_perform(t_int *w)
+{
+ float *in = (float *)(w[1]);
+ float *out = (float *)(w[2]);
+ t_siglp1_t *x = (t_siglp1_t *)(w[3]);
+ int i, n = (t_int)(w[4]);
+ float yn0, yn1=x->yn1;
+ float c0=x->c0, c1=x->c1;
+
+ siglp1_t_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 *siglp1_t_perf8(t_int *w)
+{
+ float *in = (float *)(w[1]);
+ float *out = (float *)(w[2]);
+ t_siglp1_t *x = (t_siglp1_t *)(w[3]);
+ int i, n = (t_int)(w[4]);
+ float yn[9];
+ float c0=x->c0, c1=x->c1;
+
+ siglp1_t_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 siglp1_t_ft2(t_siglp1_t *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 / (float)i;
+}
+
+static void siglp1_t_ft1(t_siglp1_t *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 siglp1_t_dsp(t_siglp1_t *x, t_signal **sp)
+{
+ int i, n=(int)sp[0]->s_n;
+
+ x->sr = -1000.0f / (float)(sp[0]->s_sr);
+ x->ticks_per_interpol_time = 0.001f * (float)(sp[0]->s_sr) / (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 / (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(siglp1_t_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, n);
+ else
+ dsp_add(siglp1_t_perf8, 4, sp[0]->s_vec, sp[1]->s_vec, x, n);
+}
+
+static void *siglp1_t_new(t_symbol *s, int argc, t_atom *argv)
+{
+ t_siglp1_t *x = (t_siglp1_t *)pd_new(siglp1_t_class);
+ int i;
+ 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 = (float)atom_getfloatarg(0, argc, argv);
+ if((argc >= 2)&&IS_A_FLOAT(argv,1))
+ interpol = (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 / (float)i;
+ x->end_t = x->cur_t;
+ return (x);
+}
+
+void siglp1_t_setup(void)
+{
+ siglp1_t_class = class_new(gensym("lp1_t~"), (t_newmethod)siglp1_t_new,
+ 0, sizeof(t_siglp1_t), 0, A_GIMME, 0);
+ CLASS_MAINSIGNALIN(siglp1_t_class, t_siglp1_t, x_msi);
+ class_addmethod(siglp1_t_class, (t_method)siglp1_t_dsp, gensym("dsp"), 0);
+ class_addmethod(siglp1_t_class, (t_method)siglp1_t_ft1, gensym("ft1"), A_FLOAT, 0);
+ class_addmethod(siglp1_t_class, (t_method)siglp1_t_ft2, gensym("ft2"), A_FLOAT, 0);
+ class_sethelpsymbol(siglp1_t_class, gensym("iemhelp/help-lp1_t~"));
+}
diff --git a/src/iemlib1/sigmov_avrg_kern.c b/src/iemlib1/sigmov_avrg_kern.c
index 5cfcd73..a2fbe3e 100644
--- a/src/iemlib1/sigmov_avrg_kern.c
+++ b/src/iemlib1/sigmov_avrg_kern.c
@@ -1,143 +1,143 @@
-/* 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 */
-
-#ifdef NT
-#pragma warning( disable : 4244 )
-#pragma warning( disable : 4305 )
-#endif
-
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <math.h>
-#include <stdio.h>
-#include <string.h>
-
-
-/* -- mov_avrg_kern~ - kernel for a moving-average-filter with IIR - */
-
-typedef struct sigmov_avrg_kern
-{
- t_object x_obj;
- double x_wn1;
- double x_a0;
- double x_sr;
- double x_mstime;
- int x_nsamps;
- int x_counter;
- float x_msi;
-} t_sigmov_avrg_kern;
-
-t_class *sigmov_avrg_kern_class;
-
-static t_int *sigmov_avrg_kern_perform(t_int *w)
-{
- float *in_direct = (float *)(w[1]);
- float *in_delayed = (float *)(w[2]);
- float *out = (float *)(w[3]);
- t_sigmov_avrg_kern *x = (t_sigmov_avrg_kern *)(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++ = (float)wn0;
- wn1 = wn0;
- }
- }
- else
- {
- x->x_counter = 0;
- for(i=0; i<counter; i++)
- {
- wn0 = wn1 + a0*(double)(*in_direct++);
- *out++ = (float)wn0;
- wn1 = wn0;
- }
- for(i=counter; i<n; i++)
- {
- wn0 = wn1 + a0*(double)(*in_direct++ - *in_delayed++);
- *out++ = (float)wn0;
- wn1 = wn0;
- }
- }
- }
- else
- {
- for(i=0; i<n; i++)
- {
- wn0 = wn1 + a0*(double)(*in_direct++ - *in_delayed++);
- *out++ = (float)wn0;
- wn1 = wn0;
- }
- }
- x->x_wn1 = wn1;
- return(w+6);
-}
-
-static void sigmov_avrg_kern_ft1(t_sigmov_avrg_kern *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 sigmov_avrg_kern_reset(t_sigmov_avrg_kern *x)
-{
- x->x_counter = x->x_nsamps;
- x->x_wn1 = 0.0;
-}
-
-static void sigmov_avrg_kern_dsp(t_sigmov_avrg_kern *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(sigmov_avrg_kern_perform, 5, sp[0]->s_vec, sp[1]->s_vec, sp[2]->s_vec, x, sp[0]->s_n);
-}
-
-static void *sigmov_avrg_kern_new(t_floatarg mstime)
-{
- t_sigmov_avrg_kern *x = (t_sigmov_avrg_kern *)pd_new(sigmov_avrg_kern_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 sigmov_avrg_kern_setup(void)
-{
- sigmov_avrg_kern_class = class_new(gensym("mov_avrg_kern~"), (t_newmethod)sigmov_avrg_kern_new,
- 0, sizeof(t_sigmov_avrg_kern), 0, A_FLOAT, 0);
- CLASS_MAINSIGNALIN(sigmov_avrg_kern_class, t_sigmov_avrg_kern, x_msi);
- class_addmethod(sigmov_avrg_kern_class, (t_method)sigmov_avrg_kern_dsp, gensym("dsp"), 0);
- class_addmethod(sigmov_avrg_kern_class, (t_method)sigmov_avrg_kern_ft1, gensym("ft1"), A_FLOAT, 0);
- class_addmethod(sigmov_avrg_kern_class, (t_method)sigmov_avrg_kern_reset, gensym("reset"), 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 */
+
+#ifdef NT
+#pragma warning( disable : 4244 )
+#pragma warning( disable : 4305 )
+#endif
+
+
+#include "m_pd.h"
+#include "iemlib.h"
+#include <math.h>
+#include <stdio.h>
+#include <string.h>
+
+
+/* -- mov_avrg_kern~ - kernel for a moving-average-filter with IIR - */
+
+typedef struct sigmov_avrg_kern
+{
+ t_object x_obj;
+ double x_wn1;
+ double x_a0;
+ double x_sr;
+ double x_mstime;
+ int x_nsamps;
+ int x_counter;
+ float x_msi;
+} t_sigmov_avrg_kern;
+
+t_class *sigmov_avrg_kern_class;
+
+static t_int *sigmov_avrg_kern_perform(t_int *w)
+{
+ float *in_direct = (float *)(w[1]);
+ float *in_delayed = (float *)(w[2]);
+ float *out = (float *)(w[3]);
+ t_sigmov_avrg_kern *x = (t_sigmov_avrg_kern *)(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++ = (float)wn0;
+ wn1 = wn0;
+ }
+ }
+ else
+ {
+ x->x_counter = 0;
+ for(i=0; i<counter; i++)
+ {
+ wn0 = wn1 + a0*(double)(*in_direct++);
+ *out++ = (float)wn0;
+ wn1 = wn0;
+ }
+ for(i=counter; i<n; i++)
+ {
+ wn0 = wn1 + a0*(double)(*in_direct++ - *in_delayed++);
+ *out++ = (float)wn0;
+ wn1 = wn0;
+ }
+ }
+ }
+ else
+ {
+ for(i=0; i<n; i++)
+ {
+ wn0 = wn1 + a0*(double)(*in_direct++ - *in_delayed++);
+ *out++ = (float)wn0;
+ wn1 = wn0;
+ }
+ }
+ x->x_wn1 = wn1;
+ return(w+6);
+}
+
+static void sigmov_avrg_kern_ft1(t_sigmov_avrg_kern *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 sigmov_avrg_kern_reset(t_sigmov_avrg_kern *x)
+{
+ x->x_counter = x->x_nsamps;
+ x->x_wn1 = 0.0;
+}
+
+static void sigmov_avrg_kern_dsp(t_sigmov_avrg_kern *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(sigmov_avrg_kern_perform, 5, sp[0]->s_vec, sp[1]->s_vec, sp[2]->s_vec, x, sp[0]->s_n);
+}
+
+static void *sigmov_avrg_kern_new(t_floatarg mstime)
+{
+ t_sigmov_avrg_kern *x = (t_sigmov_avrg_kern *)pd_new(sigmov_avrg_kern_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 sigmov_avrg_kern_setup(void)
+{
+ sigmov_avrg_kern_class = class_new(gensym("mov_avrg_kern~"), (t_newmethod)sigmov_avrg_kern_new,
+ 0, sizeof(t_sigmov_avrg_kern), 0, A_FLOAT, 0);
+ CLASS_MAINSIGNALIN(sigmov_avrg_kern_class, t_sigmov_avrg_kern, x_msi);
+ class_addmethod(sigmov_avrg_kern_class, (t_method)sigmov_avrg_kern_dsp, gensym("dsp"), 0);
+ class_addmethod(sigmov_avrg_kern_class, (t_method)sigmov_avrg_kern_ft1, gensym("ft1"), A_FLOAT, 0);
+ class_addmethod(sigmov_avrg_kern_class, (t_method)sigmov_avrg_kern_reset, gensym("reset"), 0);
+}
diff --git a/src/iemlib1/sigpara_bp2.c b/src/iemlib1/sigpara_bp2.c
index af20782..683949d 100644
--- a/src/iemlib1/sigpara_bp2.c
+++ b/src/iemlib1/sigpara_bp2.c
@@ -1,426 +1,426 @@
-/* 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 */
-
-#ifdef NT
-#pragma warning( disable : 4244 )
-#pragma warning( disable : 4305 )
-#endif
-
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <math.h>
-#include <stdio.h>
-#include <string.h>
-
-
-/* ---------- para_bp2~ - parametric bandpass 2. order ----------- */
-
-typedef struct sigpara_bp2
-{
- t_object x_obj;
- float wn1;
- float wn2;
- float a0;
- float a1;
- float a2;
- float b1;
- float b2;
- float sr;
- float cur_f;
- float cur_l;
- float cur_a;
- float cur_g;
- float delta_f;
- float delta_a;
- float delta_g;
- float end_f;
- float end_a;
- float end_g;
- float ticks_per_interpol_time;
- float rcp_ticks;
- 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];
- float x_msi;
-} t_sigpara_bp2;
-
-t_class *sigpara_bp2_class;
-
-static void sigpara_bp2_calc(t_sigpara_bp2 *x)
-{
- float l, al, gal, l2, rcp;
-
- l = x->cur_l;
- l2 = l*l + 1.0;
- 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 sigpara_bp2_dsp_tick(t_sigpara_bp2 *x)
-{
- if(x->event_mask)
- {
- float discriminant;
-
- 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_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;
- }
- }
-
- sigpara_bp2_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 *sigpara_bp2_perform(t_int *w)
-{
- float *in = (float *)(w[1]);
- float *out = (float *)(w[2]);
- t_sigpara_bp2 *x = (t_sigpara_bp2 *)(w[3]);
- int i, n = (t_int)(w[4]);
- float wn0, wn1=x->wn1, wn2=x->wn2;
- float a0=x->a0, a1=x->a1, a2=x->a2;
- float b1=x->b1, b2=x->b2;
-
- sigpara_bp2_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 *sigpara_bp2_perf8(t_int *w)
-{
- float *in = (float *)(w[1]);
- float *out = (float *)(w[2]);
- t_sigpara_bp2 *x = (t_sigpara_bp2 *)(w[3]);
- int i, n = (t_int)(w[4]);
- float wn[10];
- float a0=x->a0, a1=x->a1, a2=x->a2;
- float b1=x->b1, b2=x->b2;
-
- sigpara_bp2_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 sigpara_bp2_ft4(t_sigpara_bp2 *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 / (float)i;
-}
-
-static void sigpara_bp2_ft3(t_sigpara_bp2 *x, t_floatarg l)
-{
- 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 sigpara_bp2_ft2(t_sigpara_bp2 *x, t_floatarg q)
-{
- 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 sigpara_bp2_ft1(t_sigpara_bp2 *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 sigpara_bp2_print(t_sigpara_bp2 *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 sigpara_bp2_dsp(t_sigpara_bp2 *x, t_signal **sp)
-{
- float si, co, f;
- int i, n=(int)sp[0]->s_n;
-
- x->sr = 3.14159265358979323846f / (float)(sp[0]->s_sr);
- x->ticks_per_interpol_time = 0.001f * (float)(sp[0]->s_sr) / (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 / (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(sigpara_bp2_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, n);
- else
- dsp_add(sigpara_bp2_perf8, 4, sp[0]->s_vec, sp[1]->s_vec, x, n);
-}
-
-static void *sigpara_bp2_new(t_symbol *s, int argc, t_atom *argv)
-{
- t_sigpara_bp2 *x = (t_sigpara_bp2 *)pd_new(sigpara_bp2_class);
- int i;
- float si, co, f=0.0, q=1.0, l=0.0, interpol=0.0;
-
- 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 = 0.0;
- x->wn2 = 0.0;
- x->a0 = 0.0;
- x->a1 = 0.0;
- x->a2 = 0.0;
- x->b1 = 0.0;
- x->b2 = 0.0;
- x->sr = 3.14159265358979323846f / 44100.0f;
- x->cur_a = 1.0;
- if((argc == 4)&&IS_A_FLOAT(argv,3)&&IS_A_FLOAT(argv,2)&&IS_A_FLOAT(argv,1)&&IS_A_FLOAT(argv,0))
- {
- f = (float)atom_getfloatarg(0, argc, argv);
- q = (float)atom_getfloatarg(1, argc, argv);
- l = (float)atom_getfloatarg(2, argc, argv);
- interpol = (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 / (float)i;
- x->end_f = x->cur_f;
- x->end_a = x->cur_a;
- x->end_g = x->cur_g;
- return(x);
-}
-
-void sigpara_bp2_setup(void)
-{
- sigpara_bp2_class = class_new(gensym("para_bp2~"), (t_newmethod)sigpara_bp2_new,
- 0, sizeof(t_sigpara_bp2), 0, A_GIMME, 0);
- CLASS_MAINSIGNALIN(sigpara_bp2_class, t_sigpara_bp2, x_msi);
- class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_dsp, gensym("dsp"), 0);
- class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_ft1, gensym("ft1"), A_FLOAT, 0);
- class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_ft2, gensym("ft2"), A_FLOAT, 0);
- class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_ft3, gensym("ft3"), A_FLOAT, 0);
- class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_ft4, gensym("ft4"), A_FLOAT, 0);
- class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_print, gensym("print"), 0);
- class_sethelpsymbol(sigpara_bp2_class, gensym("iemhelp/help-para_bp2~"));
-}
+/* 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 */
+
+#ifdef NT
+#pragma warning( disable : 4244 )
+#pragma warning( disable : 4305 )
+#endif
+
+
+#include "m_pd.h"
+#include "iemlib.h"
+#include <math.h>
+#include <stdio.h>
+#include <string.h>
+
+
+/* ---------- para_bp2~ - parametric bandpass 2. order ----------- */
+
+typedef struct sigpara_bp2
+{
+ t_object x_obj;
+ float wn1;
+ float wn2;
+ float a0;
+ float a1;
+ float a2;
+ float b1;
+ float b2;
+ float sr;
+ float cur_f;
+ float cur_l;
+ float cur_a;
+ float cur_g;
+ float delta_f;
+ float delta_a;
+ float delta_g;
+ float end_f;
+ float end_a;
+ float end_g;
+ float ticks_per_interpol_time;
+ float rcp_ticks;
+ 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];
+ float x_msi;
+} t_sigpara_bp2;
+
+t_class *sigpara_bp2_class;
+
+static void sigpara_bp2_calc(t_sigpara_bp2 *x)
+{
+ float l, al, gal, l2, rcp;
+
+ l = x->cur_l;
+ l2 = l*l + 1.0;
+ 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 sigpara_bp2_dsp_tick(t_sigpara_bp2 *x)
+{
+ if(x->event_mask)
+ {
+ float discriminant;
+
+ 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_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;
+ }
+ }
+
+ sigpara_bp2_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 *sigpara_bp2_perform(t_int *w)
+{
+ float *in = (float *)(w[1]);
+ float *out = (float *)(w[2]);
+ t_sigpara_bp2 *x = (t_sigpara_bp2 *)(w[3]);
+ int i, n = (t_int)(w[4]);
+ float wn0, wn1=x->wn1, wn2=x->wn2;
+ float a0=x->a0, a1=x->a1, a2=x->a2;
+ float b1=x->b1, b2=x->b2;
+
+ sigpara_bp2_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 *sigpara_bp2_perf8(t_int *w)
+{
+ float *in = (float *)(w[1]);
+ float *out = (float *)(w[2]);
+ t_sigpara_bp2 *x = (t_sigpara_bp2 *)(w[3]);
+ int i, n = (t_int)(w[4]);
+ float wn[10];
+ float a0=x->a0, a1=x->a1, a2=x->a2;
+ float b1=x->b1, b2=x->b2;
+
+ sigpara_bp2_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 sigpara_bp2_ft4(t_sigpara_bp2 *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 / (float)i;
+}
+
+static void sigpara_bp2_ft3(t_sigpara_bp2 *x, t_floatarg l)
+{
+ 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 sigpara_bp2_ft2(t_sigpara_bp2 *x, t_floatarg q)
+{
+ 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 sigpara_bp2_ft1(t_sigpara_bp2 *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 sigpara_bp2_print(t_sigpara_bp2 *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 sigpara_bp2_dsp(t_sigpara_bp2 *x, t_signal **sp)
+{
+ float si, co, f;
+ int i, n=(int)sp[0]->s_n;
+
+ x->sr = 3.14159265358979323846f / (float)(sp[0]->s_sr);
+ x->ticks_per_interpol_time = 0.001f * (float)(sp[0]->s_sr) / (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 / (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(sigpara_bp2_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, n);
+ else
+ dsp_add(sigpara_bp2_perf8, 4, sp[0]->s_vec, sp[1]->s_vec, x, n);
+}
+
+static void *sigpara_bp2_new(t_symbol *s, int argc, t_atom *argv)
+{
+ t_sigpara_bp2 *x = (t_sigpara_bp2 *)pd_new(sigpara_bp2_class);
+ int i;
+ float si, co, f=0.0, q=1.0, l=0.0, interpol=0.0;
+
+ 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 = 0.0;
+ x->wn2 = 0.0;
+ x->a0 = 0.0;
+ x->a1 = 0.0;
+ x->a2 = 0.0;
+ x->b1 = 0.0;
+ x->b2 = 0.0;
+ x->sr = 3.14159265358979323846f / 44100.0f;
+ x->cur_a = 1.0;
+ if((argc == 4)&&IS_A_FLOAT(argv,3)&&IS_A_FLOAT(argv,2)&&IS_A_FLOAT(argv,1)&&IS_A_FLOAT(argv,0))
+ {
+ f = (float)atom_getfloatarg(0, argc, argv);
+ q = (float)atom_getfloatarg(1, argc, argv);
+ l = (float)atom_getfloatarg(2, argc, argv);
+ interpol = (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 / (float)i;
+ x->end_f = x->cur_f;
+ x->end_a = x->cur_a;
+ x->end_g = x->cur_g;
+ return(x);
+}
+
+void sigpara_bp2_setup(void)
+{
+ sigpara_bp2_class = class_new(gensym("para_bp2~"), (t_newmethod)sigpara_bp2_new,
+ 0, sizeof(t_sigpara_bp2), 0, A_GIMME, 0);
+ CLASS_MAINSIGNALIN(sigpara_bp2_class, t_sigpara_bp2, x_msi);
+ class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_dsp, gensym("dsp"), 0);
+ class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_ft1, gensym("ft1"), A_FLOAT, 0);
+ class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_ft2, gensym("ft2"), A_FLOAT, 0);
+ class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_ft3, gensym("ft3"), A_FLOAT, 0);
+ class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_ft4, gensym("ft4"), A_FLOAT, 0);
+ class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_print, gensym("print"), 0);
+ class_sethelpsymbol(sigpara_bp2_class, gensym("iemhelp/help-para_bp2~"));
+}
diff --git a/src/iemlib1/sigpeakenv.c b/src/iemlib1/sigpeakenv.c
index 1712570..5704224 100644
--- a/src/iemlib1/sigpeakenv.c
+++ b/src/iemlib1/sigpeakenv.c
@@ -1,102 +1,102 @@
-/* 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 */
-
-#ifdef NT
-#pragma warning( disable : 4244 )
-#pragma warning( disable : 4305 )
-#endif
-
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <math.h>
-#include <stdio.h>
-#include <string.h>
-
-/* ---------------- peakenv~ - simple peak-envelope-converter. ----------------- */
-
-typedef struct sigpeakenv
-{
- t_object x_obj;
- float x_sr;
- float x_old_peak;
- float x_c1;
- float x_releasetime;
- float x_msi;
-} t_sigpeakenv;
-
-t_class *sigpeakenv_class;
-
-static void sigpeakenv_reset(t_sigpeakenv *x)
-{
- x->x_old_peak = 0.0f;
-}
-
-static void sigpeakenv_ft1(t_sigpeakenv *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 *sigpeakenv_perform(t_int *w)
-{
- float *in = (float *)(w[1]);
- float *out = (float *)(w[2]);
- t_sigpeakenv *x = (t_sigpeakenv *)(w[3]);
- int n = (int)(w[4]);
- float peak = x->x_old_peak;
- float c1 = x->x_c1;
- 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 sigpeakenv_dsp(t_sigpeakenv *x, t_signal **sp)
-{
- x->x_sr = (float)sp[0]->s_sr;
- sigpeakenv_ft1(x, x->x_releasetime);
- dsp_add(sigpeakenv_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, sp[0]->s_n);
-}
-
-static void *sigpeakenv_new(t_floatarg f)
-{
- t_sigpeakenv *x = (t_sigpeakenv *)pd_new(sigpeakenv_class);
-
- if(f <= 0.0f)
- f = 0.0f;
- x->x_sr = 44100.0f;
- sigpeakenv_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 sigpeakenv_setup(void)
-{
- sigpeakenv_class = class_new(gensym("peakenv~"), (t_newmethod)sigpeakenv_new,
- 0, sizeof(t_sigpeakenv), 0, A_DEFFLOAT, 0);
- CLASS_MAINSIGNALIN(sigpeakenv_class, t_sigpeakenv, x_msi);
- class_addmethod(sigpeakenv_class, (t_method)sigpeakenv_dsp, gensym("dsp"), 0);
- class_addmethod(sigpeakenv_class, (t_method)sigpeakenv_ft1, gensym("ft1"), A_FLOAT, 0);
- class_addmethod(sigpeakenv_class, (t_method)sigpeakenv_reset, gensym("reset"), 0);
- class_sethelpsymbol(sigpeakenv_class, gensym("iemhelp/help-peakenv~"));
-}
+/* 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 */
+
+#ifdef NT
+#pragma warning( disable : 4244 )
+#pragma warning( disable : 4305 )
+#endif
+
+
+#include "m_pd.h"
+#include "iemlib.h"
+#include <math.h>
+#include <stdio.h>
+#include <string.h>
+
+/* ---------------- peakenv~ - simple peak-envelope-converter. ----------------- */
+
+typedef struct sigpeakenv
+{
+ t_object x_obj;
+ float x_sr;
+ float x_old_peak;
+ float x_c1;
+ float x_releasetime;
+ float x_msi;
+} t_sigpeakenv;
+
+t_class *sigpeakenv_class;
+
+static void sigpeakenv_reset(t_sigpeakenv *x)
+{
+ x->x_old_peak = 0.0f;
+}
+
+static void sigpeakenv_ft1(t_sigpeakenv *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 *sigpeakenv_perform(t_int *w)
+{
+ float *in = (float *)(w[1]);
+ float *out = (float *)(w[2]);
+ t_sigpeakenv *x = (t_sigpeakenv *)(w[3]);
+ int n = (int)(w[4]);
+ float peak = x->x_old_peak;
+ float c1 = x->x_c1;
+ 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 sigpeakenv_dsp(t_sigpeakenv *x, t_signal **sp)
+{
+ x->x_sr = (float)sp[0]->s_sr;
+ sigpeakenv_ft1(x, x->x_releasetime);
+ dsp_add(sigpeakenv_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, sp[0]->s_n);
+}
+
+static void *sigpeakenv_new(t_floatarg f)
+{
+ t_sigpeakenv *x = (t_sigpeakenv *)pd_new(sigpeakenv_class);
+
+ if(f <= 0.0f)
+ f = 0.0f;
+ x->x_sr = 44100.0f;
+ sigpeakenv_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 sigpeakenv_setup(void)
+{
+ sigpeakenv_class = class_new(gensym("peakenv~"), (t_newmethod)sigpeakenv_new,
+ 0, sizeof(t_sigpeakenv), 0, A_DEFFLOAT, 0);
+ CLASS_MAINSIGNALIN(sigpeakenv_class, t_sigpeakenv, x_msi);
+ class_addmethod(sigpeakenv_class, (t_method)sigpeakenv_dsp, gensym("dsp"), 0);
+ class_addmethod(sigpeakenv_class, (t_method)sigpeakenv_ft1, gensym("ft1"), A_FLOAT, 0);
+ class_addmethod(sigpeakenv_class, (t_method)sigpeakenv_reset, gensym("reset"), 0);
+ class_sethelpsymbol(sigpeakenv_class, gensym("iemhelp/help-peakenv~"));
+}
diff --git a/src/iemlib1/sigprvu.c b/src/iemlib1/sigprvu.c
index 5f2f93d..a32457e 100644
--- a/src/iemlib1/sigprvu.c
+++ b/src/iemlib1/sigprvu.c
@@ -1,282 +1,282 @@
-/* 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 */
-
-#ifdef NT
-#pragma warning( disable : 4244 )
-#pragma warning( disable : 4305 )
-#endif
-
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <math.h>
-#include <stdio.h>
-#include <string.h>
-
-/* ---------------- prvu~ - simple peak&rms-vu-meter. ----------------- */
-
-typedef struct sigprvu
-{
- t_object x_obj;
- t_atom x_at[3];
- void *x_clock_metro;
- int x_metro_time;
- void *x_clock_hold;
- int x_hold_time;
- float x_cur_peak;
- float x_old_peak;
- float x_hold_peak;
- int x_hold;
- float x_sum_rms;
- float x_old_rms;
- float x_rcp;
- float x_sr;
- float x_threshold_over;
- int x_overflow_counter;
- float x_release_time;
- float x_c1;
- int x_started;
- float x_msi;
-} t_sigprvu;
-
-t_class *sigprvu_class;
-static void sigprvu_tick_metro(t_sigprvu *x);
-static void sigprvu_tick_hold(t_sigprvu *x);
-
-static void sigprvu_reset(t_sigprvu *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 sigprvu_stop(t_sigprvu *x)
-{
- clock_unset(x->x_clock_metro);
- x->x_started = 0;
-}
-
-static void sigprvu_start(t_sigprvu *x)
-{
- clock_delay(x->x_clock_metro, x->x_metro_time);
- x->x_started = 1;
-}
-
-static void sigprvu_float(t_sigprvu *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 sigprvu_t_release(t_sigprvu *x, t_floatarg release_time)
-{
- if(release_time <= 20.0f)
- release_time = 20.0f;
- x->x_release_time = release_time;
- x->x_c1 = exp(-2.0*(float)x->x_metro_time/x->x_release_time);
-}
-
-static void sigprvu_t_metro(t_sigprvu *x, t_floatarg metro_time)
-{
- if(metro_time <= 20.0f)
- metro_time = 20.0f;
- x->x_metro_time = (int)metro_time;
- x->x_c1 = exp(-2.0*(float)x->x_metro_time/x->x_release_time);
- x->x_rcp = 1.0f/(x->x_sr*(float)x->x_metro_time);
-}
-
-static void sigprvu_t_hold(t_sigprvu *x, t_floatarg hold_time)
-{
- if(hold_time <= 20.0f)
- hold_time = 20.0f;
- x->x_hold_time = (int)hold_time;
-}
-
-static void sigprvu_threshold(t_sigprvu *x, t_floatarg thresh)
-{
- x->x_threshold_over = thresh;
-}
-
-static t_int *sigprvu_perform(t_int *w)
-{
- float *in = (float *)(w[1]);
- t_sigprvu *x = (t_sigprvu *)(w[2]);
- int n = (int)(w[3]);
- float peak = x->x_cur_peak, pow, sum=x->x_sum_rms;
- int i;
-
- if(x->x_started)
- {
- for(i=0; i<n; i++)
- {
- pow = in[i]*in[i];
- if(pow > peak)
- peak = pow;
- sum += pow;
- }
- x->x_cur_peak = peak;
- x->x_sum_rms = sum;
- }
- return(w+4);
-}
-
-static void sigprvu_dsp(t_sigprvu *x, t_signal **sp)
-{
- x->x_sr = 0.001*(float)sp[0]->s_sr;
- x->x_rcp = 1.0f/(x->x_sr*(float)x->x_metro_time);
- dsp_add(sigprvu_perform, 3, sp[0]->s_vec, x, sp[0]->s_n);
- clock_delay(x->x_clock_metro, x->x_metro_time);
-}
-
-static void sigprvu_tick_hold(t_sigprvu *x)
-{
- x->x_hold = 0;
- x->x_hold_peak = x->x_old_peak;
-}
-
-static void sigprvu_tick_metro(t_sigprvu *x)
-{
- 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 = (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 sigprvu_ff(t_sigprvu *x)
-{
- clock_free(x->x_clock_metro);
- clock_free(x->x_clock_hold);
-}
-
-static void *sigprvu_new(t_floatarg metro_time, t_floatarg hold_time,
- t_floatarg release_time, t_floatarg threshold)
-{
- t_sigprvu *x;
- float t;
- int i;
-
- x = (t_sigprvu *)pd_new(sigprvu_class);
- if(metro_time <= 0.0f)
- metro_time = 300.0f;
- if(metro_time <= 20.0f)
- metro_time = 20.0f;
- if(release_time <= 0.0f)
- release_time = 300.0f;
- if(release_time <= 20.0f)
- release_time = 20.0f;
- if(hold_time <= 0.0f)
- hold_time = 1000.0f;
- if(hold_time <= 20.0f)
- hold_time = 20.0f;
- if(threshold == 0.0f)
- threshold = -0.01f;
- x->x_metro_time = (int)metro_time;
- x->x_release_time = release_time;
- x->x_hold_time = (int)hold_time;
- x->x_threshold_over = threshold;
- x->x_c1 = exp(-2.0*(float)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*(float)x->x_metro_time);
- x->x_overflow_counter = 0;
- x->x_clock_metro = clock_new(x, (t_method)sigprvu_tick_metro);
- x->x_clock_hold = clock_new(x, (t_method)sigprvu_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 sigprvu_setup(void)
-{
- sigprvu_class = class_new(gensym("prvu~"), (t_newmethod)sigprvu_new,
- (t_method)sigprvu_ff, sizeof(t_sigprvu), 0,
- A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, 0);
- CLASS_MAINSIGNALIN(sigprvu_class, t_sigprvu, x_msi);
- class_addmethod(sigprvu_class, (t_method)sigprvu_dsp, gensym("dsp"), 0);
- class_addfloat(sigprvu_class, sigprvu_float);
- class_addmethod(sigprvu_class, (t_method)sigprvu_reset, gensym("reset"), 0);
- class_addmethod(sigprvu_class, (t_method)sigprvu_start, gensym("start"), 0);
- class_addmethod(sigprvu_class, (t_method)sigprvu_stop, gensym("stop"), 0);
- class_addmethod(sigprvu_class, (t_method)sigprvu_t_release, gensym("t_release"), A_FLOAT, 0);
- class_addmethod(sigprvu_class, (t_method)sigprvu_t_metro, gensym("t_metro"), A_FLOAT, 0);
- class_addmethod(sigprvu_class, (t_method)sigprvu_t_hold, gensym("t_hold"), A_FLOAT, 0);
- class_addmethod(sigprvu_class, (t_method)sigprvu_threshold, gensym("threshold"), A_FLOAT, 0);
- class_sethelpsymbol(sigprvu_class, gensym("iemhelp/help-prvu~"));
-}
+/* 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 */
+
+#ifdef NT
+#pragma warning( disable : 4244 )
+#pragma warning( disable : 4305 )
+#endif
+
+
+#include "m_pd.h"
+#include "iemlib.h"
+#include <math.h>
+#include <stdio.h>
+#include <string.h>
+
+/* ---------------- prvu~ - simple peak&rms-vu-meter. ----------------- */
+
+typedef struct sigprvu
+{
+ t_object x_obj;
+ t_atom x_at[3];
+ void *x_clock_metro;
+ int x_metro_time;
+ void *x_clock_hold;
+ int x_hold_time;
+ float x_cur_peak;
+ float x_old_peak;
+ float x_hold_peak;
+ int x_hold;
+ float x_sum_rms;
+ float x_old_rms;
+ float x_rcp;
+ float x_sr;
+ float x_threshold_over;
+ int x_overflow_counter;
+ float x_release_time;
+ float x_c1;
+ int x_started;
+ float x_msi;
+} t_sigprvu;
+
+t_class *sigprvu_class;
+static void sigprvu_tick_metro(t_sigprvu *x);
+static void sigprvu_tick_hold(t_sigprvu *x);
+
+static void sigprvu_reset(t_sigprvu *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 sigprvu_stop(t_sigprvu *x)
+{
+ clock_unset(x->x_clock_metro);
+ x->x_started = 0;
+}
+
+static void sigprvu_start(t_sigprvu *x)
+{
+ clock_delay(x->x_clock_metro, x->x_metro_time);
+ x->x_started = 1;
+}
+
+static void sigprvu_float(t_sigprvu *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 sigprvu_t_release(t_sigprvu *x, t_floatarg release_time)
+{
+ if(release_time <= 20.0f)
+ release_time = 20.0f;
+ x->x_release_time = release_time;
+ x->x_c1 = exp(-2.0*(float)x->x_metro_time/x->x_release_time);
+}
+
+static void sigprvu_t_metro(t_sigprvu *x, t_floatarg metro_time)
+{
+ if(metro_time <= 20.0f)
+ metro_time = 20.0f;
+ x->x_metro_time = (int)metro_time;
+ x->x_c1 = exp(-2.0*(float)x->x_metro_time/x->x_release_time);
+ x->x_rcp = 1.0f/(x->x_sr*(float)x->x_metro_time);
+}
+
+static void sigprvu_t_hold(t_sigprvu *x, t_floatarg hold_time)
+{
+ if(hold_time <= 20.0f)
+ hold_time = 20.0f;
+ x->x_hold_time = (int)hold_time;
+}
+
+static void sigprvu_threshold(t_sigprvu *x, t_floatarg thresh)
+{
+ x->x_threshold_over = thresh;
+}
+
+static t_int *sigprvu_perform(t_int *w)
+{
+ float *in = (float *)(w[1]);
+ t_sigprvu *x = (t_sigprvu *)(w[2]);
+ int n = (int)(w[3]);
+ float peak = x->x_cur_peak, pow, sum=x->x_sum_rms;
+ int i;
+
+ if(x->x_started)
+ {
+ for(i=0; i<n; i++)
+ {
+ pow = in[i]*in[i];
+ if(pow > peak)
+ peak = pow;
+ sum += pow;
+ }
+ x->x_cur_peak = peak;
+ x->x_sum_rms = sum;
+ }
+ return(w+4);
+}
+
+static void sigprvu_dsp(t_sigprvu *x, t_signal **sp)
+{
+ x->x_sr = 0.001*(float)sp[0]->s_sr;
+ x->x_rcp = 1.0f/(x->x_sr*(float)x->x_metro_time);
+ dsp_add(sigprvu_perform, 3, sp[0]->s_vec, x, sp[0]->s_n);
+ clock_delay(x->x_clock_metro, x->x_metro_time);
+}
+
+static void sigprvu_tick_hold(t_sigprvu *x)
+{
+ x->x_hold = 0;
+ x->x_hold_peak = x->x_old_peak;
+}
+
+static void sigprvu_tick_metro(t_sigprvu *x)
+{
+ 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 = (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 sigprvu_ff(t_sigprvu *x)
+{
+ clock_free(x->x_clock_metro);
+ clock_free(x->x_clock_hold);
+}
+
+static void *sigprvu_new(t_floatarg metro_time, t_floatarg hold_time,
+ t_floatarg release_time, t_floatarg threshold)
+{
+ t_sigprvu *x;
+ float t;
+ int i;
+
+ x = (t_sigprvu *)pd_new(sigprvu_class);
+ if(metro_time <= 0.0f)
+ metro_time = 300.0f;
+ if(metro_time <= 20.0f)
+ metro_time = 20.0f;
+ if(release_time <= 0.0f)
+ release_time = 300.0f;
+ if(release_time <= 20.0f)
+ release_time = 20.0f;
+ if(hold_time <= 0.0f)
+ hold_time = 1000.0f;
+ if(hold_time <= 20.0f)
+ hold_time = 20.0f;
+ if(threshold == 0.0f)
+ threshold = -0.01f;
+ x->x_metro_time = (int)metro_time;
+ x->x_release_time = release_time;
+ x->x_hold_time = (int)hold_time;
+ x->x_threshold_over = threshold;
+ x->x_c1 = exp(-2.0*(float)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*(float)x->x_metro_time);
+ x->x_overflow_counter = 0;
+ x->x_clock_metro = clock_new(x, (t_method)sigprvu_tick_metro);
+ x->x_clock_hold = clock_new(x, (t_method)sigprvu_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 sigprvu_setup(void)
+{
+ sigprvu_class = class_new(gensym("prvu~"), (t_newmethod)sigprvu_new,
+ (t_method)sigprvu_ff, sizeof(t_sigprvu), 0,
+ A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, 0);
+ CLASS_MAINSIGNALIN(sigprvu_class, t_sigprvu, x_msi);
+ class_addmethod(sigprvu_class, (t_method)sigprvu_dsp, gensym("dsp"), 0);
+ class_addfloat(sigprvu_class, sigprvu_float);
+ class_addmethod(sigprvu_class, (t_method)sigprvu_reset, gensym("reset"), 0);
+ class_addmethod(sigprvu_class, (t_method)sigprvu_start, gensym("start"), 0);
+ class_addmethod(sigprvu_class, (t_method)sigprvu_stop, gensym("stop"), 0);
+ class_addmethod(sigprvu_class, (t_method)sigprvu_t_release, gensym("t_release"), A_FLOAT, 0);
+ class_addmethod(sigprvu_class, (t_method)sigprvu_t_metro, gensym("t_metro"), A_FLOAT, 0);
+ class_addmethod(sigprvu_class, (t_method)sigprvu_t_hold, gensym("t_hold"), A_FLOAT, 0);
+ class_addmethod(sigprvu_class, (t_method)sigprvu_threshold, gensym("threshold"), A_FLOAT, 0);
+ class_sethelpsymbol(sigprvu_class, gensym("iemhelp/help-prvu~"));
+}
diff --git a/src/iemlib1/sigpvu.c b/src/iemlib1/sigpvu.c
index e751c29..12d779e 100644
--- a/src/iemlib1/sigpvu.c
+++ b/src/iemlib1/sigpvu.c
@@ -1,206 +1,206 @@
-/* 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 */
-
-#ifdef NT
-#pragma warning( disable : 4244 )
-#pragma warning( disable : 4305 )
-#endif
-
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <math.h>
-#include <stdio.h>
-#include <string.h>
-
-/* ---------------- pvu~ - simple peak-vu-meter. ----------------- */
-
-typedef struct sigpvu
-{
- t_object x_obj;
- void *x_outlet_meter;
- void *x_outlet_over;
- void *x_clock;
- float x_cur_peak;
- float x_old_peak;
- float x_threshold_over;
- float x_c1;
- int x_metro_time;
- float x_release_time;
- int x_overflow_counter;
- int x_started;
- float x_msi;
-} t_sigpvu;
-
-t_class *sigpvu_class;
-static void sigpvu_tick(t_sigpvu *x);
-
-static void sigpvu_reset(t_sigpvu *x)
-{
- outlet_float(x->x_outlet_over, (t_float)0);
- outlet_float(x->x_outlet_meter, -199.9);
- 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 sigpvu_stop(t_sigpvu *x)
-{
- clock_unset(x->x_clock);
- x->x_started = 0;
-}
-
-static void sigpvu_start(t_sigpvu *x)
-{
- clock_delay(x->x_clock, x->x_metro_time);
- x->x_started = 1;
-}
-
-static void sigpvu_float(t_sigpvu *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 sigpvu_t_release(t_sigpvu *x, t_floatarg release_time)
-{
- if(release_time <= 20.0f)
- release_time = 20.0f;
- x->x_release_time = release_time;
- x->x_c1 = exp(-(float)x->x_metro_time/(float)release_time);
-}
-
-static void sigpvu_t_metro(t_sigpvu *x, t_floatarg metro_time)
-{
- if(metro_time <= 20.0f)
- metro_time = 20.0f;
- x->x_metro_time = (int)metro_time;
- x->x_c1 = exp(-(float)metro_time/(float)x->x_release_time);
-}
-
-static void sigpvu_threshold(t_sigpvu *x, t_floatarg thresh)
-{
- x->x_threshold_over = thresh;
-}
-
-static t_int *sigpvu_perform(t_int *w)
-{
- float *in = (float *)(w[1]);
- t_sigpvu *x = (t_sigpvu *)(w[2]);
- int n = (int)(w[3]);
- float peak = x->x_cur_peak;
- 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 sigpvu_dsp(t_sigpvu *x, t_signal **sp)
-{
- dsp_add(sigpvu_perform, 3, sp[0]->s_vec, x, sp[0]->s_n);
- clock_delay(x->x_clock, x->x_metro_time);
-}
-
-static void sigpvu_tick(t_sigpvu *x)
-{
- 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 *sigpvu_new(t_floatarg metro_time, t_floatarg release_time, t_floatarg threshold)
-{
- t_sigpvu *x;
- float t;
-
- x = (t_sigpvu *)pd_new(sigpvu_class);
- if(metro_time <= 0.0f)
- metro_time = 300.0f;
- if(metro_time <= 20.0f)
- metro_time = 20.0f;
- if(release_time <= 0.0f)
- release_time = 300.0f;
- if(release_time <= 20.0f)
- release_time = 20.0f;
- if(threshold == 0.0f)
- threshold = -0.01f;
- x->x_threshold_over = threshold;
- x->x_overflow_counter = 0;
- x->x_metro_time = (int)metro_time;
- x->x_release_time = release_time;
- x->x_c1 = exp(-(float)metro_time/(float)release_time);
- x->x_cur_peak = 0.0f;
- x->x_old_peak = 0.0f;
- x->x_clock = clock_new(x, (t_method)sigpvu_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 sigpvu_ff(t_sigpvu *x)
-{
- clock_free(x->x_clock);
-}
-
-void sigpvu_setup(void )
-{
- sigpvu_class = class_new(gensym("pvu~"), (t_newmethod)sigpvu_new,
- (t_method)sigpvu_ff, sizeof(t_sigpvu), 0, A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, 0);
- CLASS_MAINSIGNALIN(sigpvu_class, t_sigpvu, x_msi);
- class_addmethod(sigpvu_class, (t_method)sigpvu_dsp, gensym("dsp"), 0);
- class_addfloat(sigpvu_class, sigpvu_float);
- class_addmethod(sigpvu_class, (t_method)sigpvu_reset, gensym("reset"), 0);
- class_addmethod(sigpvu_class, (t_method)sigpvu_start, gensym("start"), 0);
- class_addmethod(sigpvu_class, (t_method)sigpvu_stop, gensym("stop"), 0);
- class_addmethod(sigpvu_class, (t_method)sigpvu_t_release, gensym("t_release"), A_FLOAT, 0);
- class_addmethod(sigpvu_class, (t_method)sigpvu_t_metro, gensym("t_metro"), A_FLOAT, 0);
- class_addmethod(sigpvu_class, (t_method)sigpvu_threshold, gensym("threshold"), A_FLOAT, 0);
- class_sethelpsymbol(sigpvu_class, gensym("iemhelp/help-pvu~"));
-}
+/* 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 */
+
+#ifdef NT
+#pragma warning( disable : 4244 )
+#pragma warning( disable : 4305 )
+#endif
+
+
+#include "m_pd.h"
+#include "iemlib.h"
+#include <math.h>
+#include <stdio.h>
+#include <string.h>
+
+/* ---------------- pvu~ - simple peak-vu-meter. ----------------- */
+
+typedef struct sigpvu
+{
+ t_object x_obj;
+ void *x_outlet_meter;
+ void *x_outlet_over;
+ void *x_clock;
+ float x_cur_peak;
+ float x_old_peak;
+ float x_threshold_over;
+ float x_c1;
+ int x_metro_time;
+ float x_release_time;
+ int x_overflow_counter;
+ int x_started;
+ float x_msi;
+} t_sigpvu;
+
+t_class *sigpvu_class;
+static void sigpvu_tick(t_sigpvu *x);
+
+static void sigpvu_reset(t_sigpvu *x)
+{
+ outlet_float(x->x_outlet_over, (t_float)0);
+ outlet_float(x->x_outlet_meter, -199.9);
+ 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 sigpvu_stop(t_sigpvu *x)
+{
+ clock_unset(x->x_clock);
+ x->x_started = 0;
+}
+
+static void sigpvu_start(t_sigpvu *x)
+{
+ clock_delay(x->x_clock, x->x_metro_time);
+ x->x_started = 1;
+}
+
+static void sigpvu_float(t_sigpvu *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 sigpvu_t_release(t_sigpvu *x, t_floatarg release_time)
+{
+ if(release_time <= 20.0f)
+ release_time = 20.0f;
+ x->x_release_time = release_time;
+ x->x_c1 = exp(-(float)x->x_metro_time/(float)release_time);
+}
+
+static void sigpvu_t_metro(t_sigpvu *x, t_floatarg metro_time)
+{
+ if(metro_time <= 20.0f)
+ metro_time = 20.0f;
+ x->x_metro_time = (int)metro_time;
+ x->x_c1 = exp(-(float)metro_time/(float)x->x_release_time);
+}
+
+static void sigpvu_threshold(t_sigpvu *x, t_floatarg thresh)
+{
+ x->x_threshold_over = thresh;
+}
+
+static t_int *sigpvu_perform(t_int *w)
+{
+ float *in = (float *)(w[1]);
+ t_sigpvu *x = (t_sigpvu *)(w[2]);
+ int n = (int)(w[3]);
+ float peak = x->x_cur_peak;
+ 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 sigpvu_dsp(t_sigpvu *x, t_signal **sp)
+{
+ dsp_add(sigpvu_perform, 3, sp[0]->s_vec, x, sp[0]->s_n);
+ clock_delay(x->x_clock, x->x_metro_time);
+}
+
+static void sigpvu_tick(t_sigpvu *x)
+{
+ 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 *sigpvu_new(t_floatarg metro_time, t_floatarg release_time, t_floatarg threshold)
+{
+ t_sigpvu *x;
+ float t;
+
+ x = (t_sigpvu *)pd_new(sigpvu_class);
+ if(metro_time <= 0.0f)
+ metro_time = 300.0f;
+ if(metro_time <= 20.0f)
+ metro_time = 20.0f;
+ if(release_time <= 0.0f)
+ release_time = 300.0f;
+ if(release_time <= 20.0f)
+ release_time = 20.0f;
+ if(threshold == 0.0f)
+ threshold = -0.01f;
+ x->x_threshold_over = threshold;
+ x->x_overflow_counter = 0;
+ x->x_metro_time = (int)metro_time;
+ x->x_release_time = release_time;
+ x->x_c1 = exp(-(float)metro_time/(float)release_time);
+ x->x_cur_peak = 0.0f;
+ x->x_old_peak = 0.0f;
+ x->x_clock = clock_new(x, (t_method)sigpvu_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 sigpvu_ff(t_sigpvu *x)
+{
+ clock_free(x->x_clock);
+}
+
+void sigpvu_setup(void )
+{
+ sigpvu_class = class_new(gensym("pvu~"), (t_newmethod)sigpvu_new,
+ (t_method)sigpvu_ff, sizeof(t_sigpvu), 0, A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, 0);
+ CLASS_MAINSIGNALIN(sigpvu_class, t_sigpvu, x_msi);
+ class_addmethod(sigpvu_class, (t_method)sigpvu_dsp, gensym("dsp"), 0);
+ class_addfloat(sigpvu_class, sigpvu_float);
+ class_addmethod(sigpvu_class, (t_method)sigpvu_reset, gensym("reset"), 0);
+ class_addmethod(sigpvu_class, (t_method)sigpvu_start, gensym("start"), 0);
+ class_addmethod(sigpvu_class, (t_method)sigpvu_stop, gensym("stop"), 0);
+ class_addmethod(sigpvu_class, (t_method)sigpvu_t_release, gensym("t_release"), A_FLOAT, 0);
+ class_addmethod(sigpvu_class, (t_method)sigpvu_t_metro, gensym("t_metro"), A_FLOAT, 0);
+ class_addmethod(sigpvu_class, (t_method)sigpvu_threshold, gensym("threshold"), A_FLOAT, 0);
+ class_sethelpsymbol(sigpvu_class, gensym("iemhelp/help-pvu~"));
+}
diff --git a/src/iemlib1/sigrvu.c b/src/iemlib1/sigrvu.c
index 213d3f7..66c9e4a 100644
--- a/src/iemlib1/sigrvu.c
+++ b/src/iemlib1/sigrvu.c
@@ -1,187 +1,187 @@
-/* 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 */
-
-#ifdef NT
-#pragma warning( disable : 4244 )
-#pragma warning( disable : 4305 )
-#endif
-
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <math.h>
-#include <stdio.h>
-#include <string.h>
-
-/* ---------------- rvu~ - simple peak&rms-vu-meter. ----------------- */
-
-typedef struct sigrvu
-{
- t_object x_obj;
- void *x_clock_metro;
- int x_metro_time;
- float x_sum_rms;
- float x_old_rms;
- float x_rcp;
- float x_sr;
- float x_release_time;
- float x_c1;
- int x_started;
- float x_msi;
-} t_sigrvu;
-
-t_class *sigrvu_class;
-static void sigrvu_tick_metro(t_sigrvu *x);
-
-static void sigrvu_reset(t_sigrvu *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 sigrvu_stop(t_sigrvu *x)
-{
- clock_unset(x->x_clock_metro);
- x->x_started = 0;
-}
-
-static void sigrvu_start(t_sigrvu *x)
-{
- clock_delay(x->x_clock_metro, x->x_metro_time);
- x->x_started = 1;
-}
-
-static void sigrvu_float(t_sigrvu *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 sigrvu_t_release(t_sigrvu *x, t_floatarg release_time)
-{
- if(release_time <= 20.0f)
- release_time = 20.0f;
- x->x_release_time = release_time;
- x->x_c1 = exp(-2.0*(float)x->x_metro_time/x->x_release_time);
-}
-
-static void sigrvu_t_metro(t_sigrvu *x, t_floatarg metro_time)
-{
- if(metro_time <= 20.0f)
- metro_time = 20.0f;
- x->x_metro_time = (int)metro_time;
- x->x_c1 = exp(-2.0*(float)x->x_metro_time/x->x_release_time);
- x->x_rcp = 1.0f/(x->x_sr*(float)x->x_metro_time);
-}
-
-static t_int *sigrvu_perform(t_int *w)
-{
- float *in = (float *)(w[1]);
- t_sigrvu *x = (t_sigrvu *)(w[2]);
- int n = (int)(w[3]);
- float pow, 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 sigrvu_dsp(t_sigrvu *x, t_signal **sp)
-{
- x->x_sr = 0.001*(float)sp[0]->s_sr;
- x->x_rcp = 1.0f/(x->x_sr*(float)x->x_metro_time);
- dsp_add(sigrvu_perform, 3, sp[0]->s_vec, x, sp[0]->s_n);
- clock_delay(x->x_clock_metro, x->x_metro_time);
-}
-
-static void sigrvu_tick_metro(t_sigrvu *x)
-{
- 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 sigrvu_ff(t_sigrvu *x)
-{
- clock_free(x->x_clock_metro);
-}
-
-static void *sigrvu_new(t_floatarg metro_time, t_floatarg release_time)
-{
- t_sigrvu *x=(t_sigrvu *)pd_new(sigrvu_class);
- float t;
- int i;
-
- if(metro_time <= 0.0f)
- metro_time = 300.0f;
- if(metro_time <= 20.0f)
- metro_time = 20.0f;
- if(release_time <= 0.0f)
- release_time = 300.0f;
- if(release_time <= 20.0f)
- release_time = 20.0f;
- x->x_metro_time = (int)metro_time;
- x->x_release_time = release_time;
- x->x_c1 = exp(-2.0*(float)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*(float)x->x_metro_time);
- x->x_clock_metro = clock_new(x, (t_method)sigrvu_tick_metro);
- x->x_started = 1;
- outlet_new(&x->x_obj, &s_float);
- x->x_msi = 0.0f;
- return(x);
-}
-
-void sigrvu_setup(void)
-{
- sigrvu_class = class_new(gensym("rvu~"), (t_newmethod)sigrvu_new,
- (t_method)sigrvu_ff, sizeof(t_sigrvu), 0,
- A_DEFFLOAT, A_DEFFLOAT, 0);
- CLASS_MAINSIGNALIN(sigrvu_class, t_sigrvu, x_msi);
- class_addmethod(sigrvu_class, (t_method)sigrvu_dsp, gensym("dsp"), 0);
- class_addfloat(sigrvu_class, sigrvu_float);
- class_addmethod(sigrvu_class, (t_method)sigrvu_reset, gensym("reset"), 0);
- class_addmethod(sigrvu_class, (t_method)sigrvu_start, gensym("start"), 0);
- class_addmethod(sigrvu_class, (t_method)sigrvu_stop, gensym("stop"), 0);
- class_addmethod(sigrvu_class, (t_method)sigrvu_t_release, gensym("t_release"), A_FLOAT, 0);
- class_addmethod(sigrvu_class, (t_method)sigrvu_t_metro, gensym("t_metro"), A_FLOAT, 0);
- class_sethelpsymbol(sigrvu_class, gensym("iemhelp/help-rvu~"));
-}
+/* 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 */
+
+#ifdef NT
+#pragma warning( disable : 4244 )
+#pragma warning( disable : 4305 )
+#endif
+
+
+#include "m_pd.h"
+#include "iemlib.h"
+#include <math.h>
+#include <stdio.h>
+#include <string.h>
+
+/* ---------------- rvu~ - simple peak&rms-vu-meter. ----------------- */
+
+typedef struct sigrvu
+{
+ t_object x_obj;
+ void *x_clock_metro;
+ int x_metro_time;
+ float x_sum_rms;
+ float x_old_rms;
+ float x_rcp;
+ float x_sr;
+ float x_release_time;
+ float x_c1;
+ int x_started;
+ float x_msi;
+} t_sigrvu;
+
+t_class *sigrvu_class;
+static void sigrvu_tick_metro(t_sigrvu *x);
+
+static void sigrvu_reset(t_sigrvu *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 sigrvu_stop(t_sigrvu *x)
+{
+ clock_unset(x->x_clock_metro);
+ x->x_started = 0;
+}
+
+static void sigrvu_start(t_sigrvu *x)
+{
+ clock_delay(x->x_clock_metro, x->x_metro_time);
+ x->x_started = 1;
+}
+
+static void sigrvu_float(t_sigrvu *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 sigrvu_t_release(t_sigrvu *x, t_floatarg release_time)
+{
+ if(release_time <= 20.0f)
+ release_time = 20.0f;
+ x->x_release_time = release_time;
+ x->x_c1 = exp(-2.0*(float)x->x_metro_time/x->x_release_time);
+}
+
+static void sigrvu_t_metro(t_sigrvu *x, t_floatarg metro_time)
+{
+ if(metro_time <= 20.0f)
+ metro_time = 20.0f;
+ x->x_metro_time = (int)metro_time;
+ x->x_c1 = exp(-2.0*(float)x->x_metro_time/x->x_release_time);
+ x->x_rcp = 1.0f/(x->x_sr*(float)x->x_metro_time);
+}
+
+static t_int *sigrvu_perform(t_int *w)
+{
+ float *in = (float *)(w[1]);
+ t_sigrvu *x = (t_sigrvu *)(w[2]);
+ int n = (int)(w[3]);
+ float pow, 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 sigrvu_dsp(t_sigrvu *x, t_signal **sp)
+{
+ x->x_sr = 0.001*(float)sp[0]->s_sr;
+ x->x_rcp = 1.0f/(x->x_sr*(float)x->x_metro_time);
+ dsp_add(sigrvu_perform, 3, sp[0]->s_vec, x, sp[0]->s_n);
+ clock_delay(x->x_clock_metro, x->x_metro_time);
+}
+
+static void sigrvu_tick_metro(t_sigrvu *x)
+{
+ 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 sigrvu_ff(t_sigrvu *x)
+{
+ clock_free(x->x_clock_metro);
+}
+
+static void *sigrvu_new(t_floatarg metro_time, t_floatarg release_time)
+{
+ t_sigrvu *x=(t_sigrvu *)pd_new(sigrvu_class);
+ float t;
+ int i;
+
+ if(metro_time <= 0.0f)
+ metro_time = 300.0f;
+ if(metro_time <= 20.0f)
+ metro_time = 20.0f;
+ if(release_time <= 0.0f)
+ release_time = 300.0f;
+ if(release_time <= 20.0f)
+ release_time = 20.0f;
+ x->x_metro_time = (int)metro_time;
+ x->x_release_time = release_time;
+ x->x_c1 = exp(-2.0*(float)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*(float)x->x_metro_time);
+ x->x_clock_metro = clock_new(x, (t_method)sigrvu_tick_metro);
+ x->x_started = 1;
+ outlet_new(&x->x_obj, &s_float);
+ x->x_msi = 0.0f;
+ return(x);
+}
+
+void sigrvu_setup(void)
+{
+ sigrvu_class = class_new(gensym("rvu~"), (t_newmethod)sigrvu_new,
+ (t_method)sigrvu_ff, sizeof(t_sigrvu), 0,
+ A_DEFFLOAT, A_DEFFLOAT, 0);
+ CLASS_MAINSIGNALIN(sigrvu_class, t_sigrvu, x_msi);
+ class_addmethod(sigrvu_class, (t_method)sigrvu_dsp, gensym("dsp"), 0);
+ class_addfloat(sigrvu_class, sigrvu_float);
+ class_addmethod(sigrvu_class, (t_method)sigrvu_reset, gensym("reset"), 0);
+ class_addmethod(sigrvu_class, (t_method)sigrvu_start, gensym("start"), 0);
+ class_addmethod(sigrvu_class, (t_method)sigrvu_stop, gensym("stop"), 0);
+ class_addmethod(sigrvu_class, (t_method)sigrvu_t_release, gensym("t_release"), A_FLOAT, 0);
+ class_addmethod(sigrvu_class, (t_method)sigrvu_t_metro, gensym("t_metro"), A_FLOAT, 0);
+ class_sethelpsymbol(sigrvu_class, gensym("iemhelp/help-rvu~"));
+}
diff --git a/src/iemlib1/sigsin_phase.c b/src/iemlib1/sigsin_phase.c
index a6cf6dd..66c6d30 100644
--- a/src/iemlib1/sigsin_phase.c
+++ b/src/iemlib1/sigsin_phase.c
@@ -1,129 +1,129 @@
-/* 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 */
-
-#ifdef NT
-#pragma warning( disable : 4244 )
-#pragma warning( disable : 4305 )
-#endif
-
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <math.h>
-#include <stdio.h>
-#include <string.h>
-
-
-/* --- sin_phase~ - output the phase-difference between 2 sinewaves in samples (sig) ---- */
-
-typedef struct sigsin_phase
-{
- t_object x_obj;
- float x_prev1;
- float x_prev2;
- float x_cur_out;
- int x_counter1;
- int x_counter2;
- int x_state1;
- int x_state2;
- float x_msi;
-} t_sigsin_phase;
-
-t_class *sigsin_phase_class;
-
-static t_int *sigsin_phase_perform(t_int *w)
-{
- float *in1 = (float *)(w[1]);
- float *in2 = (float *)(w[2]);
- float *out = (float *)(w[3]);
- t_sigsin_phase *x = (t_sigsin_phase *)(w[4]);
- int i, n = (t_int)(w[5]);
- float prev1=x->x_prev1;
- float prev2=x->x_prev2;
- 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))
- {
- state1 = 1;
- counter1 = 0;
- }
- else if((in1[i] < 0.0f) && (prev1 >= 0.0f))
- {
- state2 = 1;
- counter2 = 0;
- }
-
- if((in2[i] >= 0.0f) && (prev2 < 0.0f))
- {
- state1 = 0;
- cur_out = (float)(counter1);
- counter1 = 0;
- }
- else if((in2[i] < 0.0f) && (prev2 >= 0.0f))
- {
- state2 = 0;
- cur_out = (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 sigsin_phase_dsp(t_sigsin_phase *x, t_signal **sp)
-{
- dsp_add(sigsin_phase_perform, 5, sp[0]->s_vec, sp[1]->s_vec, sp[2]->s_vec, x, sp[0]->s_n);
-}
-
-static void *sigsin_phase_new(void)
-{
- t_sigsin_phase *x = (t_sigsin_phase *)pd_new(sigsin_phase_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 sigsin_phase_setup(void)
-{
- sigsin_phase_class = class_new(gensym("sin_phase~"), (t_newmethod)sigsin_phase_new,
- 0, sizeof(t_sigsin_phase), 0, 0);
- CLASS_MAINSIGNALIN(sigsin_phase_class, t_sigsin_phase, x_msi);
- class_addmethod(sigsin_phase_class, (t_method)sigsin_phase_dsp, gensym("dsp"), 0);
- class_sethelpsymbol(sigsin_phase_class, gensym("iemhelp/help-sin_phase~"));
-}
+/* 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 */
+
+#ifdef NT
+#pragma warning( disable : 4244 )
+#pragma warning( disable : 4305 )
+#endif
+
+
+#include "m_pd.h"
+#include "iemlib.h"
+#include <math.h>
+#include <stdio.h>
+#include <string.h>
+
+
+/* --- sin_phase~ - output the phase-difference between 2 sinewaves in samples (sig) ---- */
+
+typedef struct sigsin_phase
+{
+ t_object x_obj;
+ float x_prev1;
+ float x_prev2;
+ float x_cur_out;
+ int x_counter1;
+ int x_counter2;
+ int x_state1;
+ int x_state2;
+ float x_msi;
+} t_sigsin_phase;
+
+t_class *sigsin_phase_class;
+
+static t_int *sigsin_phase_perform(t_int *w)
+{
+ float *in1 = (float *)(w[1]);
+ float *in2 = (float *)(w[2]);
+ float *out = (float *)(w[3]);
+ t_sigsin_phase *x = (t_sigsin_phase *)(w[4]);
+ int i, n = (t_int)(w[5]);
+ float prev1=x->x_prev1;
+ float prev2=x->x_prev2;
+ 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))
+ {
+ state1 = 1;
+ counter1 = 0;
+ }
+ else if((in1[i] < 0.0f) && (prev1 >= 0.0f))
+ {
+ state2 = 1;
+ counter2 = 0;
+ }
+
+ if((in2[i] >= 0.0f) && (prev2 < 0.0f))
+ {
+ state1 = 0;
+ cur_out = (float)(counter1);
+ counter1 = 0;
+ }
+ else if((in2[i] < 0.0f) && (prev2 >= 0.0f))
+ {
+ state2 = 0;
+ cur_out = (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 sigsin_phase_dsp(t_sigsin_phase *x, t_signal **sp)
+{
+ dsp_add(sigsin_phase_perform, 5, sp[0]->s_vec, sp[1]->s_vec, sp[2]->s_vec, x, sp[0]->s_n);
+}
+
+static void *sigsin_phase_new(void)
+{
+ t_sigsin_phase *x = (t_sigsin_phase *)pd_new(sigsin_phase_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 sigsin_phase_setup(void)
+{
+ sigsin_phase_class = class_new(gensym("sin_phase~"), (t_newmethod)sigsin_phase_new,
+ 0, sizeof(t_sigsin_phase), 0, 0);
+ CLASS_MAINSIGNALIN(sigsin_phase_class, t_sigsin_phase, x_msi);
+ class_addmethod(sigsin_phase_class, (t_method)sigsin_phase_dsp, gensym("dsp"), 0);
+ class_sethelpsymbol(sigsin_phase_class, gensym("iemhelp/help-sin_phase~"));
+}
diff --git a/src/iemlib1/sigvcf_filter.c b/src/iemlib1/sigvcf_filter.c
index ae35fd3..8b73f66 100644
--- a/src/iemlib1/sigvcf_filter.c
+++ b/src/iemlib1/sigvcf_filter.c
@@ -1,334 +1,334 @@
-/* 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 */
-
-#ifdef NT
-#pragma warning( disable : 4244 )
-#pragma warning( disable : 4305 )
-#endif
-
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <math.h>
-#include <stdio.h>
-#include <string.h>
-
-/* ---------- vcf_filter~ - slow dynamic vcf_filter 1. and 2. order ----------- */
-
-typedef struct sigvcf_filter
-{
- t_object x_obj;
- float x_wn1;
- float x_wn2;
- float x_msi;
- char x_filtname[6];
-} t_sigvcf_filter;
-
-t_class *sigvcf_filter_class;
-
-static t_int *sigvcf_filter_perform_snafu(t_int *w)
-{
- float *in = (float *)(w[1]);
- float *out = (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 *sigvcf_filter_perform_lp2(t_int *w)
-{
- float *in = (float *)(w[1]);
- float *lp = (float *)(w[2]);
- float *q = (float *)(w[3]);
- float *out = (float *)(w[4]);
- t_sigvcf_filter *x = (t_sigvcf_filter *)(w[5]);
- int i, n = (t_int)(w[6]);
- float wn0, wn1=x->x_wn1, wn2=x->x_wn2;
- float l, al, l2, rcp;
-
- for(i=0; i<n; i+=4)
- {
- l = lp[i];
- if(q[i] < 0.000001)
- al = 1000000.0*l;
- else if(q[i] > 1000000.0)
- al = 0.000001*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 *sigvcf_filter_perform_bp2(t_int *w)
-{
- float *in = (float *)(w[1]);
- float *lp = (float *)(w[2]);
- float *q = (float *)(w[3]);
- float *out = (float *)(w[4]);
- t_sigvcf_filter *x = (t_sigvcf_filter *)(w[5]);
- int i, n = (t_int)(w[6]);
- float wn0, wn1=x->x_wn1, wn2=x->x_wn2;
- float l, al, l2, rcp;
-
- for(i=0; i<n; i+=4)
- {
- l = lp[i];
- if(q[i] < 0.000001)
- al = 1000000.0*l;
- else if(q[i] > 1000000.0)
- al = 0.000001*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 *sigvcf_filter_perform_rbp2(t_int *w)
-{
- float *in = (float *)(w[1]);
- float *lp = (float *)(w[2]);
- float *q = (float *)(w[3]);
- float *out = (float *)(w[4]);
- t_sigvcf_filter *x = (t_sigvcf_filter *)(w[5]);
- int i, n = (t_int)(w[6]);
- float wn0, wn1=x->x_wn1, wn2=x->x_wn2;
- float al, l, l2, rcp;
-
- for(i=0; i<n; i+=4)
- {
- l = lp[i];
- if(q[i] < 0.000001)
- al = 1000000.0*l;
- else if(q[i] > 1000000.0)
- al = 0.000001*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 *sigvcf_filter_perform_hp2(t_int *w)
-{
- float *in = (float *)(w[1]);
- float *lp = (float *)(w[2]);
- float *q = (float *)(w[3]);
- float *out = (float *)(w[4]);
- t_sigvcf_filter *x = (t_sigvcf_filter *)(w[5]);
- int i, n = (t_int)(w[6]);
- float wn0, wn1=x->x_wn1, wn2=x->x_wn2;
- float l, al, l2, rcp, forw;
-
- for(i=0; i<n; i+=4)
- {
- l = lp[i];
- if(q[i] < 0.000001)
- al = 1000000.0*l;
- else if(q[i] > 1000000.0)
- al = 0.000001*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 sigvcf_filter_dsp(t_sigvcf_filter *x, t_signal **sp)
-{
- if(!strcmp(x->x_filtname,"bp2"))
- dsp_add(sigvcf_filter_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(sigvcf_filter_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(sigvcf_filter_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(sigvcf_filter_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(sigvcf_filter_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 *sigvcf_filter_new(t_symbol *filt_typ)
-{
- t_sigvcf_filter *x = (t_sigvcf_filter *)pd_new(sigvcf_filter_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 = 0.0;
- x->x_wn2 = 0.0;
- c = (char *)filt_typ->s_name;
- c[5] = 0;
- strcpy(x->x_filtname, c);
- return(x);
-}
-
-void sigvcf_filter_setup(void)
-{
- sigvcf_filter_class = class_new(gensym("vcf_filter~"), (t_newmethod)sigvcf_filter_new,
- 0, sizeof(t_sigvcf_filter), 0, A_DEFSYM, 0);
- CLASS_MAINSIGNALIN(sigvcf_filter_class, t_sigvcf_filter, x_msi);
- class_addmethod(sigvcf_filter_class, (t_method)sigvcf_filter_dsp, gensym("dsp"), 0);
- class_sethelpsymbol(sigvcf_filter_class, gensym("iemhelp/help-vcf_filter~"));
-}
+/* 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 */
+
+#ifdef NT
+#pragma warning( disable : 4244 )
+#pragma warning( disable : 4305 )
+#endif
+
+
+#include "m_pd.h"
+#include "iemlib.h"
+#include <math.h>
+#include <stdio.h>
+#include <string.h>
+
+/* ---------- vcf_filter~ - slow dynamic vcf_filter 1. and 2. order ----------- */
+
+typedef struct sigvcf_filter
+{
+ t_object x_obj;
+ float x_wn1;
+ float x_wn2;
+ float x_msi;
+ char x_filtname[6];
+} t_sigvcf_filter;
+
+t_class *sigvcf_filter_class;
+
+static t_int *sigvcf_filter_perform_snafu(t_int *w)
+{
+ float *in = (float *)(w[1]);
+ float *out = (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 *sigvcf_filter_perform_lp2(t_int *w)
+{
+ float *in = (float *)(w[1]);
+ float *lp = (float *)(w[2]);
+ float *q = (float *)(w[3]);
+ float *out = (float *)(w[4]);
+ t_sigvcf_filter *x = (t_sigvcf_filter *)(w[5]);
+ int i, n = (t_int)(w[6]);
+ float wn0, wn1=x->x_wn1, wn2=x->x_wn2;
+ float l, al, l2, rcp;
+
+ for(i=0; i<n; i+=4)
+ {
+ l = lp[i];
+ if(q[i] < 0.000001)
+ al = 1000000.0*l;
+ else if(q[i] > 1000000.0)
+ al = 0.000001*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 *sigvcf_filter_perform_bp2(t_int *w)
+{
+ float *in = (float *)(w[1]);
+ float *lp = (float *)(w[2]);
+ float *q = (float *)(w[3]);
+ float *out = (float *)(w[4]);
+ t_sigvcf_filter *x = (t_sigvcf_filter *)(w[5]);
+ int i, n = (t_int)(w[6]);
+ float wn0, wn1=x->x_wn1, wn2=x->x_wn2;
+ float l, al, l2, rcp;
+
+ for(i=0; i<n; i+=4)
+ {
+ l = lp[i];
+ if(q[i] < 0.000001)
+ al = 1000000.0*l;
+ else if(q[i] > 1000000.0)
+ al = 0.000001*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 *sigvcf_filter_perform_rbp2(t_int *w)
+{
+ float *in = (float *)(w[1]);
+ float *lp = (float *)(w[2]);
+ float *q = (float *)(w[3]);
+ float *out = (float *)(w[4]);
+ t_sigvcf_filter *x = (t_sigvcf_filter *)(w[5]);
+ int i, n = (t_int)(w[6]);
+ float wn0, wn1=x->x_wn1, wn2=x->x_wn2;
+ float al, l, l2, rcp;
+
+ for(i=0; i<n; i+=4)
+ {
+ l = lp[i];
+ if(q[i] < 0.000001)
+ al = 1000000.0*l;
+ else if(q[i] > 1000000.0)
+ al = 0.000001*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 *sigvcf_filter_perform_hp2(t_int *w)
+{
+ float *in = (float *)(w[1]);
+ float *lp = (float *)(w[2]);
+ float *q = (float *)(w[3]);
+ float *out = (float *)(w[4]);
+ t_sigvcf_filter *x = (t_sigvcf_filter *)(w[5]);
+ int i, n = (t_int)(w[6]);
+ float wn0, wn1=x->x_wn1, wn2=x->x_wn2;
+ float l, al, l2, rcp, forw;
+
+ for(i=0; i<n; i+=4)
+ {
+ l = lp[i];
+ if(q[i] < 0.000001)
+ al = 1000000.0*l;
+ else if(q[i] > 1000000.0)
+ al = 0.000001*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 sigvcf_filter_dsp(t_sigvcf_filter *x, t_signal **sp)
+{
+ if(!strcmp(x->x_filtname,"bp2"))
+ dsp_add(sigvcf_filter_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(sigvcf_filter_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(sigvcf_filter_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(sigvcf_filter_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(sigvcf_filter_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 *sigvcf_filter_new(t_symbol *filt_typ)
+{
+ t_sigvcf_filter *x = (t_sigvcf_filter *)pd_new(sigvcf_filter_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 = 0.0;
+ x->x_wn2 = 0.0;
+ c = (char *)filt_typ->s_name;
+ c[5] = 0;
+ strcpy(x->x_filtname, c);
+ return(x);
+}
+
+void sigvcf_filter_setup(void)
+{
+ sigvcf_filter_class = class_new(gensym("vcf_filter~"), (t_newmethod)sigvcf_filter_new,
+ 0, sizeof(t_sigvcf_filter), 0, A_DEFSYM, 0);
+ CLASS_MAINSIGNALIN(sigvcf_filter_class, t_sigvcf_filter, x_msi);
+ class_addmethod(sigvcf_filter_class, (t_method)sigvcf_filter_dsp, gensym("dsp"), 0);
+ class_sethelpsymbol(sigvcf_filter_class, gensym("iemhelp/help-vcf_filter~"));
+}
diff --git a/src/iemlib1/soundfile_info.c b/src/iemlib1/soundfile_info.c
index c07f107..5d4d4c0 100644
--- a/src/iemlib1/soundfile_info.c
+++ b/src/iemlib1/soundfile_info.c
@@ -1,261 +1,261 @@
-/* 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 */
-
-#ifdef NT
-#pragma warning( disable : 4244 )
-#pragma warning( disable : 4305 )
-#endif
-
-#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, (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, (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, (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, (float)header_size);
-
- filesize -= header_size;
- filesize /= bps;
- SETFLOAT(x->x_atheader+SFI_HEADER_MULTICHANNEL_FILE_LENGTH, (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"));
-}
+/* 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 */
+
+#ifdef NT
+#pragma warning( disable : 4244 )
+#pragma warning( disable : 4305 )
+#endif
+
+#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, (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, (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, (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, (float)header_size);
+
+ filesize -= header_size;
+ filesize /= bps;
+ SETFLOAT(x->x_atheader+SFI_HEADER_MULTICHANNEL_FILE_LENGTH, (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
index ed98568..2151451 100644
--- a/src/iemlib1/split.c
+++ b/src/iemlib1/split.c
@@ -1,54 +1,54 @@
-/* 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 */
-
-#ifdef NT
-#pragma warning( disable : 4244 )
-#pragma warning( disable : 4305 )
-#endif
-
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <math.h>
-#include <stdio.h>
-#include <string.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"));
-}
+/* 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 */
+
+#ifdef NT
+#pragma warning( disable : 4244 )
+#pragma warning( disable : 4305 )
+#endif
+
+
+#include "m_pd.h"
+#include "iemlib.h"
+#include <math.h>
+#include <stdio.h>
+#include <string.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
index bf33d34..a482b63 100644
--- a/src/iemlib1/v2db.c
+++ b/src/iemlib1/v2db.c
@@ -1,45 +1,45 @@
-/* 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 */
-
-#ifdef NT
-#pragma warning( disable : 4244 )
-#pragma warning( disable : 4305 )
-#endif
-
-
-#include "m_pd.h"
-#include "iemlib.h"
-#include <math.h>
-#include <stdio.h>
-#include <string.h>
-
-/* -------- v2db - a rms-value to techn. dB converter. --------- */
-
-static t_class *v2db_class;
-
-float v2db(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"));
-}
+/* 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 */
+
+#ifdef NT
+#pragma warning( disable : 4244 )
+#pragma warning( disable : 4305 )
+#endif
+
+
+#include "m_pd.h"
+#include "iemlib.h"
+#include <math.h>
+#include <stdio.h>
+#include <string.h>
+
+/* -------- v2db - a rms-value to techn. dB converter. --------- */
+
+static t_class *v2db_class;
+
+float v2db(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"));
+}
generated by cgit v1.2.1 (git 2.18.0) at 2024-12-26 22:30:56 +0000