From 0c9b89b1018eb7760708ee5b080cd96846861328 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?IOhannes=20m=20zm=C3=B6lnig?= Date: Thu, 2 Jun 2005 18:25:00 +0000 Subject: updated to release-1.16 svn path=/trunk/externals/iemlib/; revision=3102 --- src/iemlib1/biquad_freq_resp.c | 185 ++--- src/iemlib1/db2v.c | 90 +-- src/iemlib1/f2note.c | 379 ++++----- src/iemlib1/forpp.c | 385 +++++----- src/iemlib1/gate.c | 169 +++-- src/iemlib1/iemlib.h | 202 ++--- src/iemlib1/iemlib1.c | 165 ++-- src/iemlib1/sigFIR.c | 354 ++++----- src/iemlib1/sigfilter.c | 1644 ++++++++++++++++++++-------------------- src/iemlib1/sighml_shelf.c | 1115 ++++++++++++++------------- src/iemlib1/sigiem_cot4.c | 351 +++++---- src/iemlib1/sigiem_delay.c | 417 +++++----- src/iemlib1/sigiem_pow4.c | 172 ++--- src/iemlib1/sigiem_sqrt4.c | 233 +++--- src/iemlib1/siglp1_t.c | 438 +++++------ src/iemlib1/sigmov_avrg_kern.c | 286 +++---- src/iemlib1/sigpara_bp2.c | 852 ++++++++++----------- src/iemlib1/sigpeakenv.c | 204 ++--- src/iemlib1/sigprvu.c | 564 +++++++------- src/iemlib1/sigpvu.c | 412 +++++----- src/iemlib1/sigrvu.c | 374 ++++----- src/iemlib1/sigsin_phase.c | 258 +++---- src/iemlib1/sigvcf_filter.c | 668 ++++++++-------- src/iemlib1/soundfile_info.c | 522 ++++++------- src/iemlib1/split.c | 108 +-- src/iemlib1/v2db.c | 90 +-- 26 files changed, 5321 insertions(+), 5316 deletions(-) (limited to 'src/iemlib1') diff --git a/src/iemlib1/biquad_freq_resp.c b/src/iemlib1/biquad_freq_resp.c index aea72b5..cda16c6 100644 --- a/src/iemlib1/biquad_freq_resp.c +++ b/src/iemlib1/biquad_freq_resp.c @@ -1,92 +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 - 2003 */ - -#ifdef NT -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include -#include -#include - -/* --------------------------- biquad_freq_resp ----------------------------- */ - -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 +#include +#include + +/* ------------------------ 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 bbf1c21..0c09a61 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 - 2003 */ - -#ifdef NT -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include -#include -#include - -/* ---------------- db2v - dB to 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 +#include +#include + +/* -------- 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 4df6612..621b2c0 100644 --- a/src/iemlib1/f2note.c +++ b/src/iemlib1/f2note.c @@ -1,189 +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 - 2003 */ - -#ifdef NT -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include -#include -#include - -/* ------ 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 +#include +#include + +/* ------------------------- 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 3e98539..9f0d995 100644 --- a/src/iemlib1/forpp.c +++ b/src/iemlib1/forpp.c @@ -1,192 +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 - 2003 */ - -#ifdef NT -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include -#include -#include - -/* -------------------------- forpp ------------------------------ */ - -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 +#include +#include + +/* ----------------------------- 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 957ee07..529ff4f 100644 --- a/src/iemlib1/gate.c +++ b/src/iemlib1/gate.c @@ -1,84 +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 - 2003 */ - -#ifdef NT -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include -#include -#include - -/* -------------------------- gate ------------------------------ */ - -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 +#include +#include + +/* --------- 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/iemlib.h b/src/iemlib1/iemlib.h index ac31936..3319cd1 100644 --- a/src/iemlib1/iemlib.h +++ b/src/iemlib1/iemlib.h @@ -1,100 +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 - 2003 */ - -#ifndef __IEMLIB_H__ -#define __IEMLIB_H__ - - -#define IS_A_POINTER(atom,index) ((atom+index)->a_type == A_POINTER) -#define IS_A_FLOAT(atom,index) ((atom+index)->a_type == A_FLOAT) -#define IS_A_SYMBOL(atom,index) ((atom+index)->a_type == A_SYMBOL) -#define IS_A_DOLLAR(atom,index) ((atom+index)->a_type == A_DOLLAR) -#define IS_A_DOLLSYM(atom,index) ((atom+index)->a_type == A_DOLLSYM) -#define IS_A_SEMI(atom,index) ((atom+index)->a_type == A_SEMI) -#define IS_A_COMMA(atom,index) ((atom+index)->a_type == A_COMMA) - - -#ifdef NT -int sys_noloadbang; -//t_symbol *iemgui_key_sym=0; -#include -#else -extern int sys_noloadbang; -//extern t_symbol *iemgui_key_sym; -#include -#endif - -#define DEFDELVS 64 -#define XTRASAMPS 4 -#define SAMPBLK 4 - - -#define UNITBIT32 1572864. /* 3*2^19; bit 32 has place value 1 */ - - /* machine-dependent definitions. These ifdefs really - should have been by CPU type and not by operating system! */ -#ifdef IRIX - /* big-endian. Most significant byte is at low address in memory */ -#define HIOFFSET 0 /* word offset to find MSB */ -#define LOWOFFSET 1 /* word offset to find LSB */ -#define int32 long /* a data type that has 32 bits */ -#else -#ifdef MSW - /* little-endian; most significant byte is at highest address */ -#define HIOFFSET 1 -#define LOWOFFSET 0 -#define int32 long -#else -#ifdef __FreeBSD__ -#include -#if BYTE_ORDER == LITTLE_ENDIAN -#define HIOFFSET 1 -#define LOWOFFSET 0 -#else -#define HIOFFSET 0 /* word offset to find MSB */ -#define LOWOFFSET 1 /* word offset to find LSB */ -#endif /* BYTE_ORDER */ -#include -#define int32 int32_t -#endif -#ifdef __linux__ - -#include - -#if !defined(__BYTE_ORDER) || !defined(__LITTLE_ENDIAN) -#error No byte order defined -#endif - -#if __BYTE_ORDER == __LITTLE_ENDIAN -#define HIOFFSET 1 -#define LOWOFFSET 0 -#else -#define HIOFFSET 0 /* word offset to find MSB */ -#define LOWOFFSET 1 /* word offset to find LSB */ -#endif /* __BYTE_ORDER */ - -#include -#define int32 int32_t - -#else -#ifdef __APPLE__ -#define HIOFFSET 0 /* word offset to find MSB */ -#define LOWOFFSET 1 /* word offset to find LSB */ -#define int32 int /* a data type that has 32 bits */ - -#endif /* __APPLE__ */ -#endif /* __linux__ */ -#endif /* MSW */ -#endif /* SGI */ - -union tabfudge -{ - double tf_d; - int32 tf_i[2]; -}; - -#define IEM_DENORMAL(f) !(*(unsigned int*)&(f))&0x60000000 - -#endif +/* For information on usage and redistribution, and for a DISCLAIMER OF ALL +* WARRANTIES, see the file, "LICENSE.txt," in this distribution. + +iemlib written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */ + +#ifndef __IEMLIB_H__ +#define __IEMLIB_H__ + + +#define IS_A_POINTER(atom,index) ((atom+index)->a_type == A_POINTER) +#define IS_A_FLOAT(atom,index) ((atom+index)->a_type == A_FLOAT) +#define IS_A_SYMBOL(atom,index) ((atom+index)->a_type == A_SYMBOL) +#define IS_A_DOLLAR(atom,index) ((atom+index)->a_type == A_DOLLAR) +#define IS_A_DOLLSYM(atom,index) ((atom+index)->a_type == A_DOLLSYM) +#define IS_A_SEMI(atom,index) ((atom+index)->a_type == A_SEMI) +#define IS_A_COMMA(atom,index) ((atom+index)->a_type == A_COMMA) + + +#ifdef NT +int sys_noloadbang; +//t_symbol *iemgui_key_sym=0; +#include +#else +extern int sys_noloadbang; +//extern t_symbol *iemgui_key_sym; +#include +#endif + +#define DEFDELVS 64 +#define XTRASAMPS 4 +#define SAMPBLK 4 + + +#define UNITBIT32 1572864. /* 3*2^19; bit 32 has place value 1 */ + +/* machine-dependent definitions. These ifdefs really +should have been by CPU type and not by operating system! */ +#ifdef IRIX +/* big-endian. Most significant byte is at low address in memory */ +#define HIOFFSET 0 /* word offset to find MSB */ +#define LOWOFFSET 1 /* word offset to find LSB */ +#define int32 long /* a data type that has 32 bits */ +#else +#ifdef MSW +/* little-endian; most significant byte is at highest address */ +#define HIOFFSET 1 +#define LOWOFFSET 0 +#define int32 long +#else +#ifdef __FreeBSD__ +#include +#if BYTE_ORDER == LITTLE_ENDIAN +#define HIOFFSET 1 +#define LOWOFFSET 0 +#else +#define HIOFFSET 0 /* word offset to find MSB */ +#define LOWOFFSET 1 /* word offset to find LSB */ +#endif /* BYTE_ORDER */ +#include +#define int32 int32_t +#endif +#ifdef __linux__ + +#include + +#if !defined(__BYTE_ORDER) || !defined(__LITTLE_ENDIAN) +#error No byte order defined +#endif + +#if __BYTE_ORDER == __LITTLE_ENDIAN +#define HIOFFSET 1 +#define LOWOFFSET 0 +#else +#define HIOFFSET 0 /* word offset to find MSB */ +#define LOWOFFSET 1 /* word offset to find LSB */ +#endif /* __BYTE_ORDER */ + +#include +#define int32 int32_t + +#else +#ifdef __APPLE__ +#define HIOFFSET 0 /* word offset to find MSB */ +#define LOWOFFSET 1 /* word offset to find LSB */ +#define int32 int /* a data type that has 32 bits */ + +#endif /* __APPLE__ */ +#endif /* __linux__ */ +#endif /* MSW */ +#endif /* SGI */ + +union tabfudge +{ + double tf_d; + int32 tf_i[2]; +}; + +#define IEM_DENORMAL(f) ((((*(unsigned int*)&(f))&0x60000000)==0) || \ +(((*(unsigned int*)&(f))&0x60000000)==0x60000000)) +/* more stringent test: anything not between 1e-19 and 1e19 in absolute val */ + +#endif diff --git a/src/iemlib1/iemlib1.c b/src/iemlib1/iemlib1.c index 3700c40..9bc6ef2 100644 --- a/src/iemlib1/iemlib1.c +++ b/src/iemlib1/iemlib1.c @@ -1,82 +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 - 2003 */ - -#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-1.15) library loaded!"); -} +/* 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/sigFIR.c b/src/iemlib1/sigFIR.c index 51c9de0..ab40a42 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 - 2003 */ - -#ifdef NT -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include -#include -#include - - -/* ---------- 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= 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 +#include +#include + + +/* ---------- 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= 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 5f2ec07..44a47d4 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 - 2003 */ - -#ifdef NT -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include -#include -#include - - -/* ---------- filter~ - slow dynamic filter 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; iwn1 = 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; iwn1 = 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; iwn1 = 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; iwn1 = 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: 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 +#include +#include + + +/* ---------- 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; iwn1 = 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; iwn1 = 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; iwn1 = 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; iwn1 = 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: 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 eb182bd..474bd92 100644 --- a/src/iemlib1/sighml_shelf.c +++ b/src/iemlib1/sighml_shelf.c @@ -1,558 +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 - 2003 */ - -#ifdef NT -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include -#include -#include - - -/* ---------- 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; iwn1 = 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; iwn1 = 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 +#include +#include + + +/* ---------- 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; iwn1 = 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; iwn1 = 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 b0990d9..37a7789 100644 --- a/src/iemlib1/sigiem_cot4.c +++ b/src/iemlib1/sigiem_cot4.c @@ -1,176 +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 - 2003 */ - -#ifdef NT -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include -#include -#include - -/* ------------------------ 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 +#include +#include + +/* ------------------------ 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 56afbf3..e66e16b 100644 --- a/src/iemlib1/sigiem_delay.c +++ b/src/iemlib1/sigiem_delay.c @@ -1,208 +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 (c) IEM KUG Graz Austria 2002 - 2003 */ - -#ifdef NT -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include -#include -#include - -/* -------------------------- 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; ix_begmem2 + writeindex - x->x_delay_samples; - for(i=0; i= 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 +#include +#include + +/* -------------------------- 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; ix_begmem2 + writeindex - x->x_delay_samples; + for(i=0; i= 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 ae5334c..4cc8232 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 - 2003 */ - -#ifdef NT -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include -#include -#include - -/* ------------------------ 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 +#include +#include + +/* ------------------------ 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 49d9982..9787fa1 100644 --- a/src/iemlib1/sigiem_sqrt4.c +++ b/src/iemlib1/sigiem_sqrt4.c @@ -1,117 +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 - 2003 */ - -#ifdef NT -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include -#include -#include - -#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; ix_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 +#include +#include + +#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; ix_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 349b3fa..6b713da 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 - 2003 */ - -#ifdef NT -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include -#include -#include - - -/* -- 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; iyn1 = 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; iyn1 = 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 +#include +#include + + +/* -- 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; iyn1 = 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; iyn1 = 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 1c77a49..5cfcd73 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 - 2003 */ - -#ifdef NT -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include -#include -#include - - -/* -- 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; ix_counter = 0; - for(i=0; ix_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 +#include +#include + + +/* -- 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; ix_counter = 0; + for(i=0; ix_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 bc6fe49..af20782 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 - 2003 */ - -#ifdef NT -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include -#include -#include - - -/* ---------- 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; iwn1 = 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; iwn1 = 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 +#include +#include + + +/* ---------- 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; iwn1 = 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; iwn1 = 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 4ced863..1712570 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 - 2003 */ - -#ifdef NT -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include -#include -#include - -/* ---------------- 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 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 +#include +#include + +/* ---------------- 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 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 07c4cff..5f2f93d 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 - 2003 */ - -#ifdef NT -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include -#include -#include - -/* ---------------- 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 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 +#include +#include + +/* ---------------- 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 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 8ffbda3..e751c29 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 - 2003 */ - -#ifdef NT -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include -#include -#include - -/* ---------------- 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 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 +#include +#include + +/* ---------------- 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 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 fac370e..213d3f7 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 - 2003 */ - -#ifdef NT -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include -#include -#include - -/* ---------------- 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; ix_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 +#include +#include + +/* ---------------- 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; ix_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 0594962..a6cf6dd 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 - 2003 */ - -#ifdef NT -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include -#include -#include - - -/* --- 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= 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 +#include +#include + + +/* --- 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= 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 a491c50..ae35fd3 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 - 2003 */ - -#ifdef NT -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include -#include -#include - -/* ---------- 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 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 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 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 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: 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 +#include +#include + +/* ---------- 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 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 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 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 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: 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 f7cbf6b..c07f107 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 - 2003 */ - -#ifdef NT -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - -#include "m_pd.h" -#include "iemlib.h" -#include -#include -#include -#include - -#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 ------------------------------- */ - -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 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; ix_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 +#include +#include +#include + +#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 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; ix_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 7716054..ed98568 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 - 2003 */ - -#ifdef NT -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include -#include -#include - -/* --------------------------- split ----------------------------- */ - -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 +#include +#include + +/* --------- 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 b3e342d..bf33d34 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 - 2003 */ - -#ifdef NT -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include -#include -#include - -/* ---------------- v2db - value to 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 +#include +#include + +/* -------- 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")); +} -- cgit v1.2.1