diff options
author | musil <tmusil@users.sourceforge.net> | 2006-11-08 13:46:14 +0000 |
---|---|---|
committer | musil <tmusil@users.sourceforge.net> | 2006-11-08 13:46:14 +0000 |
commit | c38056e5242f42c13130bac5ccdc14c86dc91814 (patch) | |
tree | 3f151da6995a92103618ca907c3954c181be576f | |
parent | 541ab13ab9aaf849014d81d9159bd12a03320c74 (diff) |
changed sig*.c to *~.c
svn path=/trunk/externals/iemlib/; revision=6232
-rw-r--r-- | src/iemlib1/sigFIR.c | 177 | ||||
-rw-r--r-- | src/iemlib1/sigfilter.c | 822 | ||||
-rw-r--r-- | src/iemlib1/sighml_shelf.c | 557 | ||||
-rw-r--r-- | src/iemlib1/sigiem_cot4.c | 175 | ||||
-rw-r--r-- | src/iemlib1/sigiem_delay.c | 209 | ||||
-rw-r--r-- | src/iemlib1/sigiem_pow4.c | 86 | ||||
-rw-r--r-- | src/iemlib1/sigiem_sqrt4.c | 116 | ||||
-rw-r--r-- | src/iemlib1/siglp1_t.c | 219 | ||||
-rw-r--r-- | src/iemlib1/sigmov_avrg_kern.c | 143 | ||||
-rw-r--r-- | src/iemlib1/sigpara_bp2.c | 426 | ||||
-rw-r--r-- | src/iemlib1/sigpeakenv.c | 102 | ||||
-rw-r--r-- | src/iemlib1/sigprvu.c | 282 | ||||
-rw-r--r-- | src/iemlib1/sigpvu.c | 206 | ||||
-rw-r--r-- | src/iemlib1/sigrvu.c | 187 | ||||
-rw-r--r-- | src/iemlib1/sigsin_phase.c | 129 | ||||
-rw-r--r-- | src/iemlib1/sigvcf_filter.c | 334 |
16 files changed, 0 insertions, 4170 deletions
diff --git a/src/iemlib1/sigFIR.c b/src/iemlib1/sigFIR.c deleted file mode 100644 index 5827ab1..0000000 --- a/src/iemlib1/sigFIR.c +++ /dev/null @@ -1,177 +0,0 @@ -/* For information on usage and redistribution, and for a DISCLAIMER OF ALL -* WARRANTIES, see the file, "LICENSE.txt," in this distribution. - -iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */ - -#ifdef _MSC_VER -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include <math.h> -#include <stdio.h> -#include <string.h> - - -/* ---------- FIR~ - FIR-filter with table-coef ----------- */ - -typedef struct sigFIR -{ - t_object x_obj; - float *x_coef_beg; - float *x_history_beg; - int x_rw_index; - int x_fir_order; - t_symbol *x_table_name; - float x_msi; -} t_sigFIR; - -t_class *sigFIR_class; - -static t_int *sigFIR_perform(t_int *w) -{ - float *in = (float *)(w[1]); - float *out = (float *)(w[2]); - t_sigFIR *x = (t_sigFIR *)(w[3]); - int n = (t_int)(w[4]); - int rw_index = x->x_rw_index; - int i, j; - int order = x->x_fir_order; - int ord16 = order / 16; - float sum=0.0f; - float *coef = x->x_coef_beg; - float *write_hist1=x->x_history_beg; - float *write_hist2; - float *read_hist; - float *coef_vec; - float *hist_vec; - - if(!coef) - goto sigFIRperfzero; - - write_hist1 = x->x_history_beg; - write_hist2 = write_hist1 + order; - read_hist = write_hist2; - - for(i=0; i<n; i++) - { - write_hist1[rw_index] = in[i]; - write_hist2[rw_index] = in[i]; - - sum = 0.0f; - coef_vec = coef; - hist_vec = &read_hist[rw_index]; - for(j=0; j<ord16; j++) - { - sum += coef_vec[0] * hist_vec[0]; - sum += coef_vec[1] * hist_vec[-1]; - sum += coef_vec[2] * hist_vec[-2]; - sum += coef_vec[3] * hist_vec[-3]; - sum += coef_vec[4] * hist_vec[-4]; - sum += coef_vec[5] * hist_vec[-5]; - sum += coef_vec[6] * hist_vec[-6]; - sum += coef_vec[7] * hist_vec[-7]; - sum += coef_vec[8] * hist_vec[-8]; - sum += coef_vec[9] * hist_vec[-9]; - sum += coef_vec[10] * hist_vec[-10]; - sum += coef_vec[11] * hist_vec[-11]; - sum += coef_vec[12] * hist_vec[-12]; - sum += coef_vec[13] * hist_vec[-13]; - sum += coef_vec[14] * hist_vec[-14]; - sum += coef_vec[15] * hist_vec[-15]; - coef_vec += 16; - hist_vec -= 16; - } - for(j=ord16*16; j<order; j++) - { - sum += coef[j] * read_hist[rw_index-j]; - } - out[i] = sum; - - rw_index++; - if(rw_index >= order) - rw_index -= order; - } - - x->x_rw_index = rw_index; - return(w+5); - -sigFIRperfzero: - - while(n--) - *out++ = 0.0f; - return(w+5); -} - -void sigFIR_set(t_sigFIR *x, t_symbol *table_name, t_floatarg forder) -{ - t_garray *ga; - int table_size; - int order = (int)forder; - - x->x_table_name = table_name; - if(!(ga = (t_garray *)pd_findbyclass(x->x_table_name, garray_class))) - { - if(*table_name->s_name) - error("FIR~: %s: no such table~", x->x_table_name->s_name); - x->x_coef_beg = 0; - } - else if(!garray_getfloatarray(ga, &table_size, &x->x_coef_beg)) - { - error("%s: bad template for FIR~", x->x_table_name->s_name); - x->x_coef_beg = 0; - } - else if(table_size < order) - { - error("FIR~: tablesize %d < order %d !!!!", table_size, order); - x->x_coef_beg = 0; - } - else - garray_usedindsp(ga); - x->x_rw_index = 0; - if(order > x->x_fir_order)/* resize */ - x->x_history_beg = (float *)resizebytes(x->x_history_beg, 2*x->x_fir_order*sizeof(float), 2*order*sizeof(float)); - x->x_fir_order = order; -} - -static void sigFIR_dsp(t_sigFIR *x, t_signal **sp) -{ - sigFIR_set(x, x->x_table_name, x->x_fir_order); - dsp_add(sigFIR_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, sp[0]->s_n); -} - -static void *sigFIR_new(t_symbol *ref, t_floatarg np) -{ - t_sigFIR *x = (t_sigFIR *)pd_new(sigFIR_class); - - outlet_new(&x->x_obj, &s_signal); - x->x_msi = 0; - x->x_table_name = ref; - x->x_coef_beg = 0; - if((int)np < 1) - np = 1.0; - x->x_fir_order = (int)np; - x->x_history_beg = (float *)getbytes((2*x->x_fir_order)*sizeof(float)); - x->x_rw_index = 0; - return(x); -} - -static void sigFIR_free(t_sigFIR *x) -{ - if(x->x_history_beg) - freebytes(x->x_history_beg, (2*x->x_fir_order)*sizeof(float)); -} - -void sigFIR_setup(void) -{ - sigFIR_class = class_new(gensym("FIR~"), (t_newmethod)sigFIR_new, - (t_method)sigFIR_free, sizeof(t_sigFIR), 0, A_DEFSYM, A_DEFFLOAT, 0); - CLASS_MAINSIGNALIN(sigFIR_class, t_sigFIR, x_msi); - class_addmethod(sigFIR_class, (t_method)sigFIR_dsp, gensym("dsp"), 0); - class_addmethod(sigFIR_class, (t_method)sigFIR_set, - gensym("set"), A_SYMBOL, A_FLOAT, 0); - class_sethelpsymbol(sigFIR_class, gensym("iemhelp/help-FIR~")); -} diff --git a/src/iemlib1/sigfilter.c b/src/iemlib1/sigfilter.c deleted file mode 100644 index 68df058..0000000 --- a/src/iemlib1/sigfilter.c +++ /dev/null @@ -1,822 +0,0 @@ -/* For information on usage and redistribution, and for a DISCLAIMER OF ALL -* WARRANTIES, see the file, "LICENSE.txt," in this distribution. - -iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */ - -#ifdef _MSC_VER -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include <math.h> -#include <stdio.h> -#include <string.h> - - -/* ---------- filter~ - slow dynamic filter-kernel 1. and 2. order ----------- */ - -typedef struct sigfilter -{ - t_object x_obj; - float wn1; - float wn2; - float a0; - float a1; - float a2; - float b1; - float b2; - float sr; - float cur_f; - float cur_l; - float cur_a; - float cur_b; - float delta_f; - float delta_a; - float delta_b; - float end_f; - float end_a; - float end_b; - float ticks_per_interpol_time; - float rcp_ticks; - float interpol_time; - int ticks; - int counter_f; - int counter_a; - int counter_b; - int inv; - int hp; - int first_order; - int event_mask; - void (*calc)(); - void *x_debug_outlet; - t_atom x_at[5]; - float x_msi; -} t_sigfilter; - -t_class *sigfilter_class; - -static void sigfilter_snafu(t_sigfilter *x) -{ - -} - -static void sigfilter_lp1(t_sigfilter *x) -{ - float al; - - al = x->cur_a * x->cur_l; - x->a0 = 1.0f/(1.0f + al); - x->a1 = x->a0; - x->b1 = (al - 1.0f)*x->a0; -} - -static void sigfilter_lp2(t_sigfilter *x) -{ - float l, al, bl2, rcp; - - l = x->cur_l; - al = l*x->cur_a; - bl2 = l*l*x->cur_b + 1.0f; - rcp = 1.0f/(al + bl2); - x->a0 = rcp; - x->a1 = 2.0f*rcp; - x->a2 = x->a0; - x->b1 = rcp*2.0f*(bl2 - 2.0f); - x->b2 = rcp*(al - bl2); -} - -static void sigfilter_hp1(t_sigfilter *x) -{ - float al, rcp; - - al = x->cur_a * x->cur_l; - rcp = 1.0f/(1.0f + al); - x->a0 = rcp*al; - x->a1 = -x->a0; - x->b1 = rcp*(al - 1.0f); -} - -static void sigfilter_hp2(t_sigfilter *x) -{ - float l, al, bl2, rcp; - - l = x->cur_l; - bl2 = l*l*x->cur_b + 1.0f; - al = l*x->cur_a; - rcp = 1.0f/(al + bl2); - x->a0 = rcp*(bl2 - 1.0f); - x->a1 = -2.0f*x->a0; - x->a2 = x->a0; - x->b1 = rcp*2.0f*(bl2 - 2.0f); - x->b2 = rcp*(al - bl2); -} - -static void sigfilter_rp2(t_sigfilter *x) -{ - float l, al, l2, rcp; - - l = x->cur_l; - l2 = l*l + 1.0f; - al = l*x->cur_a; - rcp = 1.0f/(al + l2); - x->a0 = rcp*l; - x->a2 = -x->a0; - x->b1 = rcp*2.0f*(l2 - 2.0f); - x->b2 = rcp*(al - l2); -} - -static void sigfilter_bp2(t_sigfilter *x) -{ - float l, al, l2, rcp; - - l = x->cur_l; - l2 = l*l + 1.0f; - al = l*x->cur_a; - rcp = 1.0f/(al + l2); - x->a0 = rcp*al; - x->a2 = -x->a0; - x->b1 = rcp*2.0f*(l2 - 2.0f); - x->b2 = rcp*(al - l2); -} - -static void sigfilter_bs2(t_sigfilter *x) -{ - float l, al, l2, rcp; - - l = x->cur_l; - l2 = l*l + 1.0f; - al = l*x->cur_a; - rcp = 1.0f/(al + l2); - x->a0 = rcp*l2; - x->a1 = rcp*2.0f*(2.0f - l2); - x->a2 = x->a0; - x->b1 = -x->a1; - x->b2 = rcp*(al - l2); -} - -static void sigfilter_rpw2(t_sigfilter *x) -{ - float l, al, l2, rcp; - - l = x->cur_l; - l2 = l*l + 1.0f; - al = l*x->cur_a/x->cur_f; - rcp = 1.0f/(al + l2); - x->a0 = rcp*l; - x->a2 = -x->a0; - x->b1 = rcp*2.0f*(l2 - 2.0f); - x->b2 = rcp*(al - l2); -} - -static void sigfilter_bpw2(t_sigfilter *x) -{ - float l, al, l2, rcp; - - l = x->cur_l; - l2 = l*l + 1.0f; - al = l*x->cur_a/x->cur_f; - rcp = 1.0f/(al + l2); - x->a0 = rcp*al; - x->a2 = -x->a0; - x->b1 = rcp*2.0f*(l2 - 2.0f); - x->b2 = rcp*(al - l2); -} - -static void sigfilter_bsw2(t_sigfilter *x) -{ - float l, al, l2, rcp; - - l = x->cur_l; - l2 = l*l + 1.0f; - al = l*x->cur_a/x->cur_f; - rcp = 1.0f/(al + l2); - x->a0 = rcp*l2; - x->a1 = rcp*2.0f*(2.0f - l2); - x->a2 = x->a0; - x->b1 = -x->a1; - x->b2 = rcp*(al - l2); -} - -static void sigfilter_ap1(t_sigfilter *x) -{ - float al; - - al = x->cur_a * x->cur_l; - x->a0 = (1.0f - al)/(1.0f + al); - x->b1 = -x->a0; -} - -static void sigfilter_ap2(t_sigfilter *x) -{ - float l, al, bl2, rcp; - - l = x->cur_l; - bl2 = l*l*x->cur_b + 1.0f; - al = l*x->cur_a; - rcp = 1.0f/(al + bl2); - x->a1 = rcp*2.0f*(2.0f - bl2); - x->a0 = rcp*(bl2 - al); - x->b1 = -x->a1; - x->b2 = -x->a0; -} - -/*static void sigfilter_bp2(t_sigfilter *x) -{ -float l, al, l2, rcp; - - l = x->cur_l; - l2 = l*l + 1.0; - al = l*x->cur_a; - rcp = 1.0f/(al + l2); - x->a0 = rcp*al; - x->a2 = -x->a0; - x->b1 = rcp*2.0f*(2.0f - l2); - x->b2 = rcp*(l2 - al); -}*/ - -static void sigfilter_dsp_tick(t_sigfilter *x) -{ - if(x->event_mask) - { - if(x->counter_f) - { - float l, si, co; - - if(x->counter_f <= 1) - { - x->cur_f = x->end_f; - x->counter_f = 0; - x->event_mask &= 6;/*set event_mask_bit 0 = 0*/ - } - else - { - x->counter_f--; - x->cur_f *= x->delta_f; - } - l = x->cur_f * x->sr; - if(l < 1.0e-20f) - x->cur_l = 1.0e20f; - else if(l > 1.57079632f) - x->cur_l = 0.0f; - else - { - si = sin(l); - co = cos(l); - x->cur_l = co/si; - } - } - if(x->counter_a) - { - if(x->counter_a <= 1) - { - x->cur_a = x->end_a; - x->counter_a = 0; - x->event_mask &= 5;/*set event_mask_bit 1 = 0*/ - } - else - { - x->counter_a--; - x->cur_a *= x->delta_a; - } - } - if(x->counter_b) - { - if(x->counter_b <= 1) - { - x->cur_b = x->end_b; - x->counter_b = 0; - x->event_mask &= 3;/*set event_mask_bit 2 = 0*/ - } - else - { - x->counter_b--; - x->cur_b *= x->delta_b; - } - } - - (*(x->calc))(x); - - /* stability check */ - if(x->first_order) - { - if(x->b1 <= -0.9999998f) - x->b1 = -0.9999998f; - else if(x->b1 >= 0.9999998f) - x->b1 = 0.9999998f; - } - else - { - float discriminant = x->b1 * x->b1 + 4.0f * x->b2; - - if(x->b1 <= -1.9999996f) - x->b1 = -1.9999996f; - else if(x->b1 >= 1.9999996f) - x->b1 = 1.9999996f; - - if(x->b2 <= -0.9999998f) - x->b2 = -0.9999998f; - else if(x->b2 >= 0.9999998f) - x->b2 = 0.9999998f; - - if(discriminant >= 0.0f) - { - if(0.9999998f - x->b1 - x->b2 < 0.0f) - x->b2 = 0.9999998f - x->b1; - if(0.9999998f + x->b1 - x->b2 < 0.0f) - x->b2 = 0.9999998f + x->b1; - } - } - } -} - -static t_int *sigfilter_perform_2o(t_int *w) -{ - float *in = (float *)(w[1]); - float *out = (float *)(w[2]); - t_sigfilter *x = (t_sigfilter *)(w[3]); - int i, n = (t_int)(w[4]); - float wn0, wn1=x->wn1, wn2=x->wn2; - float a0=x->a0, a1=x->a1, a2=x->a2; - float b1=x->b1, b2=x->b2; - - sigfilter_dsp_tick(x); - for(i=0; i<n; i++) - { - wn0 = *in++ + b1*wn1 + b2*wn2; - *out++ = a0*wn0 + a1*wn1 + a2*wn2; - wn2 = wn1; - wn1 = wn0; - } - /* NAN protect */ - if(IEM_DENORMAL(wn2)) - wn2 = 0.0f; - if(IEM_DENORMAL(wn1)) - wn1 = 0.0f; - - x->wn1 = wn1; - x->wn2 = wn2; - return(w+5); -} -/* yn0 = *out; -xn0 = *in; -************* -yn0 = a0*xn0 + a1*xn1 + a2*xn2 + b1*yn1 + b2*yn2; -yn2 = yn1; -yn1 = yn0; -xn2 = xn1; -xn1 = xn0; -************************* -y/x = (a0 + a1*z-1 + a2*z-2)/(1 - b1*z-1 - b2*z-2);*/ - -static t_int *sigfilter_perf8_2o(t_int *w) -{ - float *in = (float *)(w[1]); - float *out = (float *)(w[2]); - t_sigfilter *x = (t_sigfilter *)(w[3]); - int i, n = (t_int)(w[4]); - float wn[10]; - float a0=x->a0, a1=x->a1, a2=x->a2; - float b1=x->b1, b2=x->b2; - - sigfilter_dsp_tick(x); - wn[0] = x->wn2; - wn[1] = x->wn1; - for(i=0; i<n; i+=8, in+=8, out+=8) - { - wn[2] = in[0] + b1*wn[1] + b2*wn[0]; - out[0] = a0*wn[2] + a1*wn[1] + a2*wn[0]; - wn[3] = in[1] + b1*wn[2] + b2*wn[1]; - out[1] = a0*wn[3] + a1*wn[2] + a2*wn[1]; - wn[4] = in[2] + b1*wn[3] + b2*wn[2]; - out[2] = a0*wn[4] + a1*wn[3] + a2*wn[2]; - wn[5] = in[3] + b1*wn[4] + b2*wn[3]; - out[3] = a0*wn[5] + a1*wn[4] + a2*wn[3]; - wn[6] = in[4] + b1*wn[5] + b2*wn[4]; - out[4] = a0*wn[6] + a1*wn[5] + a2*wn[4]; - wn[7] = in[5] + b1*wn[6] + b2*wn[5]; - out[5] = a0*wn[7] + a1*wn[6] + a2*wn[5]; - wn[8] = in[6] + b1*wn[7] + b2*wn[6]; - out[6] = a0*wn[8] + a1*wn[7] + a2*wn[6]; - wn[9] = in[7] + b1*wn[8] + b2*wn[7]; - out[7] = a0*wn[9] + a1*wn[8] + a2*wn[7]; - wn[0] = wn[8]; - wn[1] = wn[9]; - } - /* NAN protect */ - if(IEM_DENORMAL(wn[0])) - wn[0] = 0.0f; - if(IEM_DENORMAL(wn[1])) - wn[1] = 0.0f; - - x->wn1 = wn[1]; - x->wn2 = wn[0]; - return(w+5); -} - -static t_int *sigfilter_perform_1o(t_int *w) -{ - float *in = (float *)(w[1]); - float *out = (float *)(w[2]); - t_sigfilter *x = (t_sigfilter *)(w[3]); - int i, n = (t_int)(w[4]); - float wn0, wn1=x->wn1; - float a0=x->a0, a1=x->a1; - float b1=x->b1; - - sigfilter_dsp_tick(x); - for(i=0; i<n; i++) - { - wn0 = *in++ + b1*wn1; - *out++ = a0*wn0 + a1*wn1; - wn1 = wn0; - } - /* NAN protect */ - if(IEM_DENORMAL(wn1)) - wn1 = 0.0f; - - x->wn1 = wn1; - return(w+5); -} - -static t_int *sigfilter_perf8_1o(t_int *w) -{ - float *in = (float *)(w[1]); - float *out = (float *)(w[2]); - t_sigfilter *x = (t_sigfilter *)(w[3]); - int i, n = (t_int)(w[4]); - float wn[9]; - float a0=x->a0, a1=x->a1; - float b1=x->b1; - - sigfilter_dsp_tick(x); - wn[0] = x->wn1; - for(i=0; i<n; i+=8, in+=8, out+=8) - { - wn[1] = in[0] + b1*wn[0]; - out[0] = a0*wn[1] + a1*wn[0]; - wn[2] = in[1] + b1*wn[1]; - out[1] = a0*wn[2] + a1*wn[1]; - wn[3] = in[2] + b1*wn[2]; - out[2] = a0*wn[3] + a1*wn[2]; - wn[4] = in[3] + b1*wn[3]; - out[3] = a0*wn[4] + a1*wn[3]; - wn[5] = in[4] + b1*wn[4]; - out[4] = a0*wn[5] + a1*wn[4]; - wn[6] = in[5] + b1*wn[5]; - out[5] = a0*wn[6] + a1*wn[5]; - wn[7] = in[6] + b1*wn[6]; - out[6] = a0*wn[7] + a1*wn[6]; - wn[8] = in[7] + b1*wn[7]; - out[7] = a0*wn[8] + a1*wn[7]; - wn[0] = wn[8]; - } - /* NAN protect */ - if(IEM_DENORMAL(wn[0])) - wn[0] = 0.0f; - - x->wn1 = wn[0]; - return(w+5); -} - -static void sigfilter_ft4(t_sigfilter *x, t_floatarg t) -{ - int i = (int)((x->ticks_per_interpol_time)*t+0.49999f); - - x->interpol_time = t; - if(i <= 0) - { - x->ticks = 1; - x->rcp_ticks = 1.0; - } - else - { - x->ticks = i; - x->rcp_ticks = 1.0 / (float)i; - } -} - -static void sigfilter_ft3(t_sigfilter *x, t_floatarg b) -{ - if(b <= 0.0f) - b = 0.000001f; - if(x->hp) - b = 1.0 / b; - if(b != x->cur_b) - { - x->end_b = b; - x->counter_b = x->ticks; - x->delta_b = exp(log(b/x->cur_b)*x->rcp_ticks); - x->event_mask |= 4;/*set event_mask_bit 2 = 1*/ - } -} - -static void sigfilter_ft2(t_sigfilter *x, t_floatarg a) -{ - if(a <= 0.0f) - a = 0.000001f; - if(x->inv) - a = 1.0f / a; - if(x->hp) - a /= x->cur_b; - if(a != x->cur_a) - { - x->end_a = a; - x->counter_a = x->ticks; - x->delta_a = exp(log(a/x->cur_a)*x->rcp_ticks); - x->event_mask |= 2;/*set event_mask_bit 1 = 1*/ - } -} - -static void sigfilter_ft1(t_sigfilter *x, t_floatarg f) -{ - if(f <= 0.0f) - f = 0.000001f; - if(f != x->cur_f) - { - x->end_f = f; - x->counter_f = x->ticks; - x->delta_f = exp(log(f/x->cur_f)*x->rcp_ticks); - x->event_mask |= 1;/*set event_mask_bit 0 = 1*/ - } -} - -static void sigfilter_print(t_sigfilter *x) -{ - // post("fb1 = %g, fb2 = %g, ff1 = %g, ff2 = %g, ff3 = %g", x->b1, x->b2, x->a0, x->a1, x->a2); - x->x_at[0].a_w.w_float = x->b1; - x->x_at[1].a_w.w_float = x->b2; - x->x_at[2].a_w.w_float = x->a0; - x->x_at[3].a_w.w_float = x->a1; - x->x_at[4].a_w.w_float = x->a2; - outlet_list(x->x_debug_outlet, &s_list, 5, x->x_at); -} - -static void sigfilter_dsp(t_sigfilter *x, t_signal **sp) -{ - float si, co, f; - int i, n=(int)sp[0]->s_n; - - x->sr = 3.14159265358979323846f / (float)(sp[0]->s_sr); - x->ticks_per_interpol_time = 0.001f * (float)(sp[0]->s_sr) / (float)n; - i = (int)((x->ticks_per_interpol_time)*(x->interpol_time)+0.49999f); - if(i <= 0) - { - x->ticks = 1; - x->rcp_ticks = 1.0f; - } - else - { - x->ticks = i; - x->rcp_ticks = 1.0f / (float)i; - } - f = x->cur_f * x->sr; - if(f < 1.0e-20f) - x->cur_l = 1.0e20f; - else if(f > 1.57079632f) - x->cur_l = 0.0f; - else - { - si = sin(f); - co = cos(f); - x->cur_l = co/si; - } - if(x->first_order) - { - if(n&7) - dsp_add(sigfilter_perform_1o, 4, sp[0]->s_vec, sp[1]->s_vec, x, n); - else - dsp_add(sigfilter_perf8_1o, 4, sp[0]->s_vec, sp[1]->s_vec, x, n); - } - else - { - if(n&7) - dsp_add(sigfilter_perform_2o, 4, sp[0]->s_vec, sp[1]->s_vec, x, n); - else - dsp_add(sigfilter_perf8_2o, 4, sp[0]->s_vec, sp[1]->s_vec, x, n); - } -} - -static void *sigfilter_new(t_symbol *s, int argc, t_atom *argv) -{ - t_sigfilter *x = (t_sigfilter *)pd_new(sigfilter_class); - char *filt_name; - int i; - float si, co, f=0.0f, a=0.0f, b=0.0f, interpol=0.0f; - t_symbol *filt_typ=gensym(""); - - inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1")); - inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft2")); - inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft3")); - inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft4")); - outlet_new(&x->x_obj, &s_signal); - x->x_debug_outlet = outlet_new(&x->x_obj, &s_list); - x->x_msi = 0.0f; - - x->x_at[0].a_type = A_FLOAT; - x->x_at[1].a_type = A_FLOAT; - x->x_at[2].a_type = A_FLOAT; - x->x_at[3].a_type = A_FLOAT; - x->x_at[4].a_type = A_FLOAT; - - x->event_mask = 1; - x->counter_f = 1; - x->counter_a = 0; - x->counter_b = 0; - x->delta_f = 0.0f; - x->delta_a = 0.0f; - x->delta_b = 0.0f; - x->interpol_time = 0.0f; - x->wn1 = 0.0f; - x->wn2 = 0.0f; - x->a0 = 0.0f; - x->a1 = 0.0f; - x->a2 = 0.0f; - x->b1 = 0.0f; - x->b2 = 0.0f; - x->sr = 3.14159265358979323846f / 44100.0f; - x->calc = sigfilter_snafu; - x->first_order = 0; - if((argc == 5)&&IS_A_FLOAT(argv,4)&&IS_A_FLOAT(argv,3)&&IS_A_FLOAT(argv,2)&&IS_A_FLOAT(argv,1)&&IS_A_SYMBOL(argv,0)) - { - filt_typ = atom_getsymbolarg(0, argc, argv); - f = (float)atom_getfloatarg(1, argc, argv); - a = (float)atom_getfloatarg(2, argc, argv); - b = (float)atom_getfloatarg(3, argc, argv); - interpol = (float)atom_getfloatarg(4, argc, argv); - } - filt_name = (char *)filt_typ->s_name; - x->cur_f = f; - f *= x->sr; - if(f < 1.0e-20f) - x->cur_l = 1.0e20f; - else if(f > 1.57079632f) - x->cur_l = 0.0f; - else - { - si = sin(f); - co = cos(f); - x->cur_l = co/si; - } - if(a <= 0.0f) - a = 0.000001f; - if(b <= 0.0f) - b = 0.000001f; - x->cur_b = b; - - if(interpol <= 0.0f) - interpol = 0.0f; - x->interpol_time = interpol; - x->ticks_per_interpol_time = 0.001f * 44100.0f / 64.0f; - i = (int)((x->ticks_per_interpol_time)*(x->interpol_time)+0.49999f); - if(i <= 0) - { - x->ticks = 1; - x->rcp_ticks = 1.0f; - } - else - { - x->ticks = i; - x->rcp_ticks = 1.0f / (float)i; - } - - x->calc = sigfilter_snafu; - - x->cur_a = 1.0f/a; /*a was Q*/ - x->inv = 1; - x->hp = 0; - - if(filt_name) - { - if(!strcmp(filt_name,"ap1")) - { - x->calc = sigfilter_ap1; - x->a1 = 1.0f; - x->first_order = 1; - } - else if(!strcmp(filt_name,"ap2")) - { - x->calc = sigfilter_ap2; - x->a2 = 1.0f; - } - else if(!strcmp(filt_name,"ap1c")) - { - x->calc = sigfilter_ap1; - x->a1 = 1.0f; - x->inv = 0; - x->cur_a = a; /*a was damping*/ - x->first_order = 1; - } - else if(!strcmp(filt_name,"ap2c")) - { - x->calc = sigfilter_ap2; - x->a2 = 1.0f; - x->inv = 0; - x->cur_a = a; /*a was damping*/ - } - else if(!strcmp(filt_name,"bpq2")) - { - x->calc = sigfilter_bp2; - } - else if(!strcmp(filt_name,"rbpq2")) - { - x->calc = sigfilter_rp2; - } - else if(!strcmp(filt_name,"bsq2")) - { - x->calc = sigfilter_bs2; - } - else if(!strcmp(filt_name,"bpw2")) - { - x->calc = sigfilter_bpw2; - x->inv = 0; - x->cur_a = a; /*a was bw*/ - } - else if(!strcmp(filt_name,"rbpw2")) - { - x->calc = sigfilter_rpw2; - x->inv = 0; - x->cur_a = a; /*a was bw*/ - } - else if(!strcmp(filt_name,"bsw2")) - { - x->calc = sigfilter_bsw2; - x->inv = 0; - x->cur_a = a; /*a was bw*/ - } - else if(!strcmp(filt_name,"hp1")) - { - x->calc = sigfilter_hp1; - x->first_order = 1; - } - else if(!strcmp(filt_name,"hp2")) - { - x->calc = sigfilter_hp2; - } - else if(!strcmp(filt_name,"lp1")) - { - x->calc = sigfilter_lp1; - x->first_order = 1; - } - else if(!strcmp(filt_name,"lp2")) - { - x->calc = sigfilter_lp2; - } - else if(!strcmp(filt_name,"hp1c")) - { - x->calc = sigfilter_hp1; - x->cur_a = 1.0f / a; - x->first_order = 1; - } - else if(!strcmp(filt_name,"hp2c")) - { - x->calc = sigfilter_hp2; - x->inv = 0; - x->cur_a = a / b; - x->cur_b = 1.0f / b; - x->hp = 1; - } - else if(!strcmp(filt_name,"lp1c")) - { - x->calc = sigfilter_lp1; - x->inv = 0; - x->cur_a = a; /*a was damping*/ - x->first_order = 1; - } - else if(!strcmp(filt_name,"lp2c")) - { - x->calc = sigfilter_lp2; - x->inv = 0; - x->cur_a = a; /*a was damping*/ - } - else - { - post("filter~-Error: 1. initial-arguments: <sym> kind: \ -lp1, lp2, hp1, hp2, \ -lp1c, lp2c, hp1c, hp2c, \ -ap1, ap2, ap1c, ap2c, \ -bpq2, rbpq2, bsq2, \ -bpw2, rbpw2, bsw2!"); - } - x->end_f = x->cur_f; - x->end_a = x->cur_a; - x->end_b = x->cur_b; - } - return (x); -} - -void sigfilter_setup(void) -{ - sigfilter_class = class_new(gensym("filter~"), (t_newmethod)sigfilter_new, - 0, sizeof(t_sigfilter), 0, A_GIMME, 0); - CLASS_MAINSIGNALIN(sigfilter_class, t_sigfilter, x_msi); - class_addmethod(sigfilter_class, (t_method)sigfilter_dsp, gensym("dsp"), 0); - class_addmethod(sigfilter_class, (t_method)sigfilter_ft1, gensym("ft1"), A_FLOAT, 0); - class_addmethod(sigfilter_class, (t_method)sigfilter_ft2, gensym("ft2"), A_FLOAT, 0); - class_addmethod(sigfilter_class, (t_method)sigfilter_ft3, gensym("ft3"), A_FLOAT, 0); - class_addmethod(sigfilter_class, (t_method)sigfilter_ft4, gensym("ft4"), A_FLOAT, 0); - class_addmethod(sigfilter_class, (t_method)sigfilter_print, gensym("print"), 0); - class_sethelpsymbol(sigfilter_class, gensym("iemhelp/help-filter~")); -} diff --git a/src/iemlib1/sighml_shelf.c b/src/iemlib1/sighml_shelf.c deleted file mode 100644 index 0ce9b35..0000000 --- a/src/iemlib1/sighml_shelf.c +++ /dev/null @@ -1,557 +0,0 @@ -/* For information on usage and redistribution, and for a DISCLAIMER OF ALL -* WARRANTIES, see the file, "LICENSE.txt," in this distribution. - -iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */ - -#ifdef _MSC_VER -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include <math.h> -#include <stdio.h> -#include <string.h> - - -/* ---------- hml_shelf~ - high-middle-low-shelving filter ----------- */ - -typedef struct sighml_shelf -{ - t_object x_obj; - float wn1; - float wn2; - float a0; - float a1; - float a2; - float b1; - float b2; - float sr; - float cur_lf; - float cur_hf; - float cur_lg; - float cur_mg; - float cur_hg; - float delta_lf; - float delta_hf; - float delta_lg; - float delta_mg; - float delta_hg; - float end_lf; - float end_hf; - float end_lg; - float end_mg; - float end_hg; - float ticks_per_interpol_time; - float rcp_ticks; - float interpol_time; - int ticks; - int counter_lf; - int counter_hf; - int counter_lg; - int counter_mg; - int counter_hg; - int event_mask; - void *x_debug_outlet; - t_atom x_at[5]; - float x_msi; -} t_sighml_shelf; - -t_class *sighml_shelf_class; - -static void sighml_shelf_calc(t_sighml_shelf *x) -{ - float rf = x->cur_hf/x->cur_lf; - float mf = x->cur_hf*x->cur_lf; - float lg = x->cur_lg; - float rcplg = 1.0f/lg; - float mg = x->cur_mg; - float rcpmg = 1.0f/mg; - float hg = x->cur_hg; - float rcphg = 1.0f/hg; - float f = mf*x->sr; - float l = cos(f)/sin(f); - float k1 = rf*l; - float k2 = l/rf; - float k3 = l*l; - float k4 = k3*hg; - float k5 = k3*rcphg; - float k6 = rcplg + k5; - float k7 = rcpmg*k1 + k2*rcplg*rcphg*mg; - float k8 = lg + k4; - float k9 = mg*k1 + k2*lg*hg*rcpmg; - float k10 = 1.0f/(k6 + k7); - - x->b2 = k10*(k7 - k6); - x->b1 = k10*2.0f*(k5 - rcplg); - x->a2 = k10*(k8 - k9); - x->a1 = k10*2.0f*(lg - k4); - x->a0 = k10*(k8 + k9); -} - -/* -high- & low- shelving-filter: -L....sqrt(lowlevel); -rL...rsqrt(lowlevel); -M....sqrt(mediumlevel); -rM...rsqrt(mediumlevel); -H....sqrt(highlevel); -rH...rsqrt(highlevel); -V....sqrt(highfrequency/lowfrequency); -P....j*2*pi*f/(2*pi*V*lowfrequency); - -Y/X = [M/(1/M)] * [(L/M + PV)/(M/L + PV)] * [(1 + HP/(VM))/(1 + MP/(VH))]; -Y/X = (L + P*(M*V + L*H/(V*M)) + P*P*H) / (rL + P*(rM*V + rL*rH/(V*rM)) + P*P*rH); - -hlshlv: lowlevel: ll; mediumlevel: lm; highlevel: hl; lowfrequency: fl; highfrequency: fh; samplerate: sr; - -V = sqrt(fh/fl); -f = fl*V; -L = sqrt(ll); -rL = 1.0/L; -M = sqrt(lm); -rM = 1.0/M; -H = sqrt(lh); -rH = 1.0/H; - -l = cot(f*3.14159265358979323846/sr); -k1 = V*l; -k2 = l/V; -l2 = l*l; -l3 = l2*H; -l4 = l2*rH; -m1 = k2*L*H*rM; -m2 = k2*rL*rH*M; -n1 = rL + l4; -n2 = rM*k1 + m2; -p1 = L + l3; -p2 = M*k1 + m1; -a012 = 1.0/(n1 + n2); - -b2 = a012*(n2 - n1); -b1 = a012*2.0*(l4 - rL); -a2 = a012*(p1 - p2); -a1 = a012*2.0*(L - l3); -a0 = a012*(p1 + p2); - -rf = sqrt(fh/fl); -mf = fl*rf; -L = sqrt(ll); -rL = 1.0/L; -M = sqrt(lm); -rM = 1.0/M; -H = sqrt(lh); -rH = 1.0/H; - -l = cot(fm*3.14159265358979323846/sr); -k1 = V*l; -k2 = l/V; -k3 = l*l; -k4 = k3*H; -k5 = k3*rH; -k6 = rL + k5; -k7 = rM*k1 + k2*rL*rH*M; -k8 = L + k4; -k9 = M*k1 + k2*L*H*rM; -k10 = 1.0/(k6 + k7); - -b2 = k10*(k7 - k6); -b1 = k10*2.0*(k5 - rL); -a2 = k10*(k8 - k9); -a1 = k10*2.0*(L - k4); -a0 = k10*(k8 + k9); -*/ - - -static void sighml_shelf_dsp_tick(t_sighml_shelf *x) -{ - if(x->event_mask) - { - float discriminant; - - if(x->counter_lg) - { - if(x->counter_lg <= 1) - { - x->cur_lg = x->end_lg; - x->counter_lg = 0; - x->event_mask &= 30;/*set event_mask_bit 0 = 0*/ - } - else - { - x->counter_lg--; - x->cur_lg *= x->delta_lg; - } - } - if(x->counter_lf) - { - if(x->counter_lf <= 1) - { - x->cur_lf = x->end_lf; - x->counter_lf = 0; - x->event_mask &= 29;/*set event_mask_bit 1 = 0*/ - } - else - { - x->counter_lf--; - x->cur_lf *= x->delta_lf; - } - } - if(x->counter_mg) - { - if(x->counter_mg <= 1) - { - x->cur_mg = x->end_mg; - x->counter_mg = 0; - x->event_mask &= 27;/*set event_mask_bit 2 = 0*/ - } - else - { - x->counter_mg--; - x->cur_mg *= x->delta_mg; - } - } - if(x->counter_hf) - { - if(x->counter_hf <= 1) - { - x->cur_hf = x->end_hf; - x->counter_hf = 0; - x->event_mask &= 23;/*set event_mask_bit 3 = 0*/ - } - else - { - x->counter_hf--; - x->cur_hf *= x->delta_hf; - } - } - if(x->counter_hg) - { - if(x->counter_hg <= 1) - { - x->cur_hg = x->end_hg; - x->counter_hg = 0; - x->event_mask &= 15;/*set event_mask_bit 4 = 0*/ - } - else - { - x->counter_hg--; - x->cur_hg *= x->delta_hg; - } - } - sighml_shelf_calc(x); - - /* stability check */ - - discriminant = x->b1 * x->b1 + 4.0f * x->b2; - if(x->b1 <= -1.9999996f) - x->b1 = -1.9999996f; - else if(x->b1 >= 1.9999996f) - x->b1 = 1.9999996f; - - if(x->b2 <= -0.9999998f) - x->b2 = -0.9999998f; - else if(x->b2 >= 0.9999998f) - x->b2 = 0.9999998f; - - if(discriminant >= 0.0f) - { - if(0.9999998f - x->b1 - x->b2 < 0.0f) - x->b2 = 0.9999998f - x->b1; - if(0.9999998f + x->b1 - x->b2 < 0.0f) - x->b2 = 0.9999998f + x->b1; - } - } -} - -static t_int *sighml_shelf_perform(t_int *w) -{ - float *in = (float *)(w[1]); - float *out = (float *)(w[2]); - t_sighml_shelf *x = (t_sighml_shelf *)(w[3]); - int i, n = (t_int)(w[4]); - float wn0, wn1=x->wn1, wn2=x->wn2; - float a0=x->a0, a1=x->a1, a2=x->a2; - float b1=x->b1, b2=x->b2; - - sighml_shelf_dsp_tick(x); - for(i=0; i<n; i++) - { - wn0 = *in++ + b1*wn1 + b2*wn2; - *out++ = a0*wn0 + a1*wn1 + a2*wn2; - wn2 = wn1; - wn1 = wn0; - } - /* NAN protect */ - if(IEM_DENORMAL(wn2)) - wn2 = 0.0f; - if(IEM_DENORMAL(wn1)) - wn1 = 0.0f; - - x->wn1 = wn1; - x->wn2 = wn2; - return(w+5); -} - -/* yn0 = *out; -xn0 = *in; -************* -yn0 = a0*xn0 + a1*xn1 + a2*xn2 + b1*yn1 + b2*yn2; -yn2 = yn1; -yn1 = yn0; -xn2 = xn1; -xn1 = xn0; -************************* -y/x = (a0 + a1*z-1 + a2*z-2)/(1 - b1*z-1 - b2*z-2); -*/ - -static t_int *sighml_shelf_perf8(t_int *w) -{ - float *in = (float *)(w[1]); - float *out = (float *)(w[2]); - t_sighml_shelf *x = (t_sighml_shelf *)(w[3]); - int i, n = (t_int)(w[4]); - float wn[10]; - float a0=x->a0, a1=x->a1, a2=x->a2; - float b1=x->b1, b2=x->b2; - - sighml_shelf_dsp_tick(x); - wn[0] = x->wn2; - wn[1] = x->wn1; - for(i=0; i<n; i+=8, in+=8, out+=8) - { - wn[2] = in[0] + b1*wn[1] + b2*wn[0]; - out[0] = a0*wn[2] + a1*wn[1] + a2*wn[0]; - wn[3] = in[1] + b1*wn[2] + b2*wn[1]; - out[1] = a0*wn[3] + a1*wn[2] + a2*wn[1]; - wn[4] = in[2] + b1*wn[3] + b2*wn[2]; - out[2] = a0*wn[4] + a1*wn[3] + a2*wn[2]; - wn[5] = in[3] + b1*wn[4] + b2*wn[3]; - out[3] = a0*wn[5] + a1*wn[4] + a2*wn[3]; - wn[6] = in[4] + b1*wn[5] + b2*wn[4]; - out[4] = a0*wn[6] + a1*wn[5] + a2*wn[4]; - wn[7] = in[5] + b1*wn[6] + b2*wn[5]; - out[5] = a0*wn[7] + a1*wn[6] + a2*wn[5]; - wn[8] = in[6] + b1*wn[7] + b2*wn[6]; - out[6] = a0*wn[8] + a1*wn[7] + a2*wn[6]; - wn[9] = in[7] + b1*wn[8] + b2*wn[7]; - out[7] = a0*wn[9] + a1*wn[8] + a2*wn[7]; - wn[0] = wn[8]; - wn[1] = wn[9]; - } - /* NAN protect */ - if(IEM_DENORMAL(wn[0])) - wn[0] = 0.0f; - if(IEM_DENORMAL(wn[1])) - wn[1] = 0.0f; - - x->wn1 = wn[1]; - x->wn2 = wn[0]; - return(w+5); -} - -static void sighml_shelf_ft6(t_sighml_shelf *x, t_floatarg t) -{ - int i = (int)((x->ticks_per_interpol_time)*t); - - x->interpol_time = t; - if(i <= 0) - i = 1; - x->ticks = i; - x->rcp_ticks = 1.0f / (float)i; -} - -static void sighml_shelf_ft5(t_sighml_shelf *x, t_floatarg hl) -{ - float hg = exp(0.057564627325 * hl); - - if(hg != x->cur_hg) - { - x->end_hg = hg; - x->counter_hg = x->ticks; - x->delta_hg = exp(log(hg/x->cur_hg)*x->rcp_ticks); - x->event_mask |= 16;/*set event_mask_bit 4 = 1*/ - } -} - -static void sighml_shelf_ft4(t_sighml_shelf *x, t_floatarg hf) -{ - float sqhf; - - if(hf <= 0.0f) - hf = 0.000001f; - sqhf = sqrt(hf); - if(sqhf != x->cur_hf) - { - x->end_hf = sqhf; - x->counter_hf = x->ticks; - x->delta_hf = exp(log(sqhf/x->cur_hf)*x->rcp_ticks); - x->event_mask |= 8;/*set event_mask_bit 3 = 1*/ - } -} - -static void sighml_shelf_ft3(t_sighml_shelf *x, t_floatarg ml) -{ - float mg = exp(0.057564627325 * ml); - - if(mg != x->cur_mg) - { - x->end_mg = mg; - x->counter_mg = x->ticks; - x->delta_mg = exp(log(mg/x->cur_mg)*x->rcp_ticks); - x->event_mask |= 4;/*set event_mask_bit 2 = 1*/ - } -} - -static void sighml_shelf_ft2(t_sighml_shelf *x, t_floatarg lf) -{ - float sqlf; - - if(lf <= 0.0f) - lf = 0.000001f; - sqlf = sqrt(lf); - if(sqlf != x->cur_lf) - { - x->end_lf = sqlf; - x->counter_lf = x->ticks; - x->delta_lf = exp(log(sqlf/x->cur_lf)*x->rcp_ticks); - x->event_mask |= 2;/*set event_mask_bit 1 = 1*/ - } -} - -static void sighml_shelf_ft1(t_sighml_shelf *x, t_floatarg ll) -{ - float lg = exp(0.057564627325 * ll); - - if(lg != x->cur_lg) - { - x->end_lg = lg; - x->counter_lg = x->ticks; - x->delta_lg = exp(log(lg/x->cur_lg)*x->rcp_ticks); - x->event_mask |= 1;/*set event_mask_bit 0 = 1*/ - } -} - -static void sighml_shelf_print(t_sighml_shelf *x) -{ - // post("fb1 = %g, fb2 = %g, ff1 = %g, ff2 = %g, ff3 = %g", x->b1, x->b2, x->a0, x->a1, x->a2); - x->x_at[0].a_w.w_float = x->b1; - x->x_at[1].a_w.w_float = x->b2; - x->x_at[2].a_w.w_float = x->a0; - x->x_at[3].a_w.w_float = x->a1; - x->x_at[4].a_w.w_float = x->a2; - outlet_list(x->x_debug_outlet, &s_list, 5, x->x_at); -} - -static void sighml_shelf_dsp(t_sighml_shelf *x, t_signal **sp) -{ - int i, n=(int)sp[0]->s_n; - - x->sr = 3.14159265358979323846f / (float)(sp[0]->s_sr); - x->ticks_per_interpol_time = 0.001f * (float)(sp[0]->s_sr) / (float)n; - i = (int)((x->ticks_per_interpol_time)*(x->interpol_time)); - if(i <= 0) - i = 1; - x->ticks = i; - x->rcp_ticks = 1.0f / (float)i; - if(n&7) - dsp_add(sighml_shelf_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, n); - else - dsp_add(sighml_shelf_perf8, 4, sp[0]->s_vec, sp[1]->s_vec, x, n); -} - -static void *sighml_shelf_new(t_symbol *s, int argc, t_atom *argv) -{ - t_sighml_shelf *x = (t_sighml_shelf *)pd_new(sighml_shelf_class); - int i; - float lf=200.0f, hf=2000.0f, ll=0.0f, ml=0.0f, hl=0.0f, interpol=0.0f; - - inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1")); - inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft2")); - inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft3")); - inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft4")); - inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft5")); - inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft6")); - outlet_new(&x->x_obj, &s_signal); - x->x_debug_outlet = outlet_new(&x->x_obj, &s_list); - x->x_msi = 0; - - x->x_at[0].a_type = A_FLOAT; - x->x_at[1].a_type = A_FLOAT; - x->x_at[2].a_type = A_FLOAT; - x->x_at[3].a_type = A_FLOAT; - x->x_at[4].a_type = A_FLOAT; - - x->event_mask = 2; - x->counter_lg = 0; - x->counter_lf = 1; - x->counter_mg = 0; - x->counter_hf = 0; - x->counter_hg = 0; - x->delta_lg = 0.0f; - x->delta_lf = 0.0f; - x->delta_mg = 0.0f; - x->delta_hf = 0.0f; - x->delta_hg = 0.0f; - x->interpol_time = 0.0f; - x->wn1 = 0.0f; - x->wn2 = 0.0f; - x->a0 = 0.0f; - x->a1 = 0.0f; - x->a2 = 0.0f; - x->b1 = 0.0f; - x->b2 = 0.0f; - x->sr = 3.14159265358979323846f / 44100.0f; - if((argc == 6)&&IS_A_FLOAT(argv,5)&&IS_A_FLOAT(argv,4)&&IS_A_FLOAT(argv,3) - &&IS_A_FLOAT(argv,2)&&IS_A_FLOAT(argv,1)&&IS_A_FLOAT(argv,0)) - { - ll = (float)atom_getfloatarg(0, argc, argv); - lf = (float)atom_getfloatarg(1, argc, argv); - ml = (float)atom_getfloatarg(2, argc, argv); - hf = (float)atom_getfloatarg(3, argc, argv); - hl = (float)atom_getfloatarg(4, argc, argv); - interpol = (float)atom_getfloatarg(5, argc, argv); - } - x->cur_lg = exp(0.057564627325 * ll); - x->cur_mg = exp(0.057564627325 * ml); - x->cur_hg = exp(0.057564627325 * hl); - if(lf <= 0.0f) - lf = 0.000001f; - if(hf <= 0.0f) - hf = 0.000001f; - x->cur_lf = sqrt(lf); - x->cur_hf = sqrt(hf); - if(interpol < 0.0f) - interpol = 0.0f; - x->interpol_time = interpol; - x->ticks_per_interpol_time = 0.5f; - i = (int)((x->ticks_per_interpol_time)*(x->interpol_time)); - if(i <= 0) - i = 1; - x->ticks = i; - x->rcp_ticks = 1.0f / (float)i; - x->end_lf = x->cur_lf; - x->end_hf = x->cur_hf; - x->end_lg = x->cur_lg; - x->end_mg = x->cur_mg; - x->end_hg = x->cur_hg; - return(x); -} - -void sighml_shelf_setup(void) -{ - sighml_shelf_class = class_new(gensym("hml_shelf~"), (t_newmethod)sighml_shelf_new, - 0, sizeof(t_sighml_shelf), 0, A_GIMME, 0); - CLASS_MAINSIGNALIN(sighml_shelf_class, t_sighml_shelf, x_msi); - class_addmethod(sighml_shelf_class, (t_method)sighml_shelf_dsp, gensym("dsp"), 0); - class_addmethod(sighml_shelf_class, (t_method)sighml_shelf_ft1, gensym("ft1"), A_FLOAT, 0); - class_addmethod(sighml_shelf_class, (t_method)sighml_shelf_ft2, gensym("ft2"), A_FLOAT, 0); - class_addmethod(sighml_shelf_class, (t_method)sighml_shelf_ft3, gensym("ft3"), A_FLOAT, 0); - class_addmethod(sighml_shelf_class, (t_method)sighml_shelf_ft4, gensym("ft4"), A_FLOAT, 0); - class_addmethod(sighml_shelf_class, (t_method)sighml_shelf_ft5, gensym("ft5"), A_FLOAT, 0); - class_addmethod(sighml_shelf_class, (t_method)sighml_shelf_ft6, gensym("ft6"), A_FLOAT, 0); - class_addmethod(sighml_shelf_class, (t_method)sighml_shelf_print, gensym("print"), 0); - class_sethelpsymbol(sighml_shelf_class, gensym("iemhelp/help-hml_shelf~")); -} diff --git a/src/iemlib1/sigiem_cot4.c b/src/iemlib1/sigiem_cot4.c deleted file mode 100644 index 85bc19a..0000000 --- a/src/iemlib1/sigiem_cot4.c +++ /dev/null @@ -1,175 +0,0 @@ -/* For information on usage and redistribution, and for a DISCLAIMER OF ALL -* WARRANTIES, see the file, "LICENSE.txt," in this distribution. - -iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */ - -#ifdef _MSC_VER -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include <math.h> -#include <stdio.h> -#include <string.h> - -/* ------------------------ iem_cot4~ ----------------------------- */ - -float *iem_cot4_table_cos=(float *)0L; -float *iem_cot4_table_sin=(float *)0L; - -static t_class *sigiem_cot4_class; - -typedef struct _sigiem_cot4 -{ - t_object x_obj; - float x_sr; - float x_msi; -} t_sigiem_cot4; - -static t_int *sigiem_cot4_perform(t_int *w) -{ - t_float *in = (t_float *)(w[1]); - t_float *out = (t_float *)(w[2]); - t_float norm_freq; - t_float hout; - t_sigiem_cot4 *x = (t_sigiem_cot4 *)(w[3]); - t_float sr=x->x_sr; - int n = (int)(w[4]); - float *ctab = iem_cot4_table_cos, *stab = iem_cot4_table_sin; - float *caddr, *saddr, cf1, cf2, sf1, sf2, frac; - double dphase; - int normhipart; - int32 mytfi; - union tabfudge tf; - - tf.tf_d = UNITBIT32; - normhipart = tf.tf_i[HIOFFSET]; - -#if 0 /* this is the readable version of the code. */ - while (n--) - { - norm_freq = *in * sr; - if(norm_freq < 0.0001f) - norm_freq = 0.0001f; - else if(norm_freq > 0.9f) - norm_freq = 0.9f; - dphase = (double)(norm_freq * (float)(COSTABSIZE)) + UNITBIT32; - tf.tf_d = dphase; - mytfi = tf.tf_i[HIOFFSET] & (COSTABSIZE-1); - saddr = stab + (mytfi); - caddr = ctab + (mytfi); - tf.tf_i[HIOFFSET] = normhipart; - frac = tf.tf_d - UNITBIT32; - sf1 = saddr[0]; - sf2 = saddr[1]; - cf1 = caddr[0]; - cf2 = caddr[1]; - in++; - *out++ = (cf1 + frac * (cf2 - cf1))/(sf1 + frac * (sf2 - sf1)); - } -#endif -#if 1 /* this is the same, unwrapped by hand. prolog beg*/ - n /= 4; - norm_freq = *in * sr; - if(norm_freq < 0.0001f) - norm_freq = 0.0001f; - else if(norm_freq > 0.9f) - norm_freq = 0.9f; - dphase = (double)(norm_freq * (float)(COSTABSIZE)) + UNITBIT32; - tf.tf_d = dphase; - mytfi = tf.tf_i[HIOFFSET] & (COSTABSIZE-1); - saddr = stab + (mytfi); - caddr = ctab + (mytfi); - tf.tf_i[HIOFFSET] = normhipart; - in += 4; /*prolog end*/ - while (--n) - { - norm_freq = *in * sr; - if(norm_freq < 0.0001f) - norm_freq = 0.0001f; - else if(norm_freq > 0.9f) - norm_freq = 0.9f; - dphase = (double)(norm_freq * (float)(COSTABSIZE)) + UNITBIT32; - frac = tf.tf_d - UNITBIT32; - tf.tf_d = dphase; - sf1 = saddr[0]; - sf2 = saddr[1]; - cf1 = caddr[0]; - cf2 = caddr[1]; - mytfi = tf.tf_i[HIOFFSET] & (COSTABSIZE-1); - saddr = stab + (mytfi); - caddr = ctab + (mytfi); - hout = (cf1 + frac * (cf2 - cf1))/(sf1 + frac * (sf2 - sf1)); - *out++ = hout; - *out++ = hout; - *out++ = hout; - *out++ = hout; - in += 4; - tf.tf_i[HIOFFSET] = normhipart; - }/*epilog beg*/ - frac = tf.tf_d - UNITBIT32; - sf1 = saddr[0]; - sf2 = saddr[1]; - cf1 = caddr[0]; - cf2 = caddr[1]; - hout = (cf1 + frac * (cf2 - cf1))/(sf1 + frac * (sf2 - sf1)); - *out++ = hout; - *out++ = hout; - *out++ = hout; - *out++ = hout; - /*epilog end*/ -#endif - return (w+5); -} - -static void sigiem_cot4_dsp(t_sigiem_cot4 *x, t_signal **sp) -{ - x->x_sr = 2.0f / (float)sp[0]->s_sr; - dsp_add(sigiem_cot4_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, sp[0]->s_n); -} - -static void sigiem_cot4_maketable(void) -{ - int i; - float *fp, phase, fff, phsinc = 0.5*3.141592653 / ((float)COSTABSIZE); - union tabfudge tf; - - if(!iem_cot4_table_sin) - { - iem_cot4_table_sin = (float *)getbytes(sizeof(float) * (COSTABSIZE+1)); - for(i=COSTABSIZE+1, fp=iem_cot4_table_sin, phase=0; i--; fp++, phase+=phsinc) - *fp = sin(phase); - } - if(!iem_cot4_table_cos) - { - iem_cot4_table_cos = (float *)getbytes(sizeof(float) * (COSTABSIZE+1)); - for(i=COSTABSIZE+1, fp=iem_cot4_table_cos, phase=0; i--; fp++, phase+=phsinc) - *fp = cos(phase); - } - tf.tf_d = UNITBIT32 + 0.5; - if((unsigned)tf.tf_i[LOWOFFSET] != 0x80000000) - bug("iem_cot4~: unexpected machine alignment"); -} - -static void *sigiem_cot4_new(void) -{ - t_sigiem_cot4 *x = (t_sigiem_cot4 *)pd_new(sigiem_cot4_class); - - outlet_new(&x->x_obj, gensym("signal")); - x->x_msi = 0; - return (x); -} - -void sigiem_cot4_setup(void) -{ - sigiem_cot4_class = class_new(gensym("iem_cot4~"), (t_newmethod)sigiem_cot4_new, 0, - sizeof(t_sigiem_cot4), 0, 0); - class_addcreator((t_newmethod)sigiem_cot4_new, gensym("iem_cot~"), 0); - CLASS_MAINSIGNALIN(sigiem_cot4_class, t_sigiem_cot4, x_msi); - class_addmethod(sigiem_cot4_class, (t_method)sigiem_cot4_dsp, gensym("dsp"), 0); - sigiem_cot4_maketable(); - class_sethelpsymbol(sigiem_cot4_class, gensym("iemhelp/help-iem_cot4~")); -} diff --git a/src/iemlib1/sigiem_delay.c b/src/iemlib1/sigiem_delay.c deleted file mode 100644 index 9812a11..0000000 --- a/src/iemlib1/sigiem_delay.c +++ /dev/null @@ -1,209 +0,0 @@ -/* For information on usage and redistribution, and for a DISCLAIMER OF ALL -* WARRANTIES, see the file, "LICENSE.txt," in this distribution. - -iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */ - -#ifdef _MSC_VER -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include <math.h> -#include <stdio.h> -#include <string.h> - -/* -------------------------- sigiem_delay~ ------------------------------ */ - -static t_class *sigiem_delay_class; - -#define IEMDELAY_DEF_VEC_SIZE 64 - -typedef struct _sigiem_delay -{ - t_object x_obj; - int x_mallocsize; - t_float x_max_delay_ms; - t_float x_current_delay_ms; - t_float *x_begmem1; - t_float *x_begmem2; - int x_writeindex; - int x_blocksize; - int x_delay_samples; - t_float x_sr; - t_float x_msi; -} t_sigiem_delay; - -static void sigiem_delay_cur_del(t_sigiem_delay *x, t_floatarg f) -{ - if(f < 0.0f) - f = 0.0f; - else if(f > x->x_max_delay_ms) - f = x->x_max_delay_ms; - x->x_current_delay_ms = f; - x->x_delay_samples = (int)(0.001f*x->x_sr * f + 0.5f); -} - -static t_int *sigiem_delay_perform(t_int *w) -{ - t_float *in = (t_float *)(w[1]); - t_float *out = (t_float *)(w[2]); - t_sigiem_delay *x = (t_sigiem_delay *)(w[3]); - int n=(int)(w[4]); - int writeindex = x->x_writeindex; - t_float *vec1, *vec2, *vec3; - - vec1 = x->x_begmem1 + writeindex; - vec2 = x->x_begmem2 + writeindex; - vec3 = x->x_begmem2 + writeindex - x->x_delay_samples; - writeindex += n; - while(n--) - { - *vec1++ = *vec2++ = *in++; - *out++ = *vec3++; - } - if(writeindex >= x->x_mallocsize) - { - writeindex -= x->x_mallocsize; - } - x->x_writeindex = writeindex; - return(w+5); -} - -static t_int *sigiem_delay_perf8(t_int *w) -{ - t_float *in = (t_float *)(w[1]); - t_float *out = (t_float *)(w[2]); - t_sigiem_delay *x = (t_sigiem_delay *)(w[3]); - int i, n=(int)(w[4]); - int writeindex = x->x_writeindex; - t_float *vec1, *vec2; - - vec1 = x->x_begmem1 + writeindex; - vec2 = x->x_begmem2 + writeindex; - for(i=0; i<n; i+=8) - { - *vec1++ = *vec2++ = *in++; - *vec1++ = *vec2++ = *in++; - *vec1++ = *vec2++ = *in++; - *vec1++ = *vec2++ = *in++; - *vec1++ = *vec2++ = *in++; - *vec1++ = *vec2++ = *in++; - *vec1++ = *vec2++ = *in++; - *vec1++ = *vec2++ = *in++; - } - - vec2 = x->x_begmem2 + writeindex - x->x_delay_samples; - for(i=0; i<n; i+=8) - { - *out++ = *vec2++; - *out++ = *vec2++; - *out++ = *vec2++; - *out++ = *vec2++; - *out++ = *vec2++; - *out++ = *vec2++; - *out++ = *vec2++; - *out++ = *vec2++; - } - - writeindex += n; - if(writeindex >= x->x_mallocsize) - { - writeindex -= x->x_mallocsize; - } - x->x_writeindex = writeindex; - return(w+5); -} - -static void sigiem_delay_dsp(t_sigiem_delay *x, t_signal **sp) -{ - int blocksize = sp[0]->s_n, i; - - if(!x->x_blocksize)/*first time*/ - { - int nsamps = x->x_max_delay_ms * (t_float)sp[0]->s_sr * 0.001f; - - if(nsamps < 1) - nsamps = 1; - nsamps += ((- nsamps) & (blocksize - 1)); - nsamps += blocksize; - x->x_mallocsize = nsamps; - x->x_begmem1 = (t_float *)getbytes(2 * x->x_mallocsize * sizeof(t_float)); - x->x_begmem2 = x->x_begmem1 + x->x_mallocsize; - post("beginn = %x", (unsigned long)x->x_begmem1); - x->x_writeindex = blocksize; - x->x_sr = (t_float)sp[0]->s_sr; - x->x_blocksize = blocksize; - x->x_delay_samples = (int)(0.001f*x->x_sr * x->x_current_delay_ms + 0.5f); - } - else if((x->x_blocksize != blocksize) || ((t_float)sp[0]->s_sr != x->x_sr)) - { - int nsamps = x->x_max_delay_ms * (t_float)sp[0]->s_sr * 0.001f; - - if(nsamps < 1) - nsamps = 1; - nsamps += ((- nsamps) & (blocksize - 1)); - nsamps += blocksize; - - x->x_begmem1 = (t_float *)resizebytes(x->x_begmem1, 2*x->x_mallocsize*sizeof(t_float), 2*nsamps*sizeof(t_float)); - x->x_mallocsize = nsamps; - x->x_begmem2 = x->x_begmem1 + x->x_mallocsize; - post("beginn = %x", (unsigned long)x->x_begmem1); - if(x->x_writeindex >= nsamps) - x->x_writeindex -= nsamps; - x->x_sr = (t_float)sp[0]->s_sr; - x->x_blocksize = blocksize; - x->x_delay_samples = (int)(0.001f*x->x_sr * x->x_current_delay_ms + 0.5f); - } - - if(blocksize&7) - dsp_add(sigiem_delay_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, blocksize); - else - dsp_add(sigiem_delay_perf8, 4, sp[0]->s_vec, sp[1]->s_vec, x, blocksize); -} - -static void *sigiem_delay_new(t_floatarg max_delay_ms, t_floatarg current_delay_ms) -{ - t_sigiem_delay *x = (t_sigiem_delay *)pd_new(sigiem_delay_class); - int nsamps; - - if(max_delay_ms < 2.0f) - max_delay_ms = 2.0f; - x->x_max_delay_ms = max_delay_ms; - if(current_delay_ms < 0.0f) - current_delay_ms = 0.0f; - else if(current_delay_ms > max_delay_ms) - current_delay_ms = max_delay_ms; - x->x_current_delay_ms = current_delay_ms; - nsamps = max_delay_ms * sys_getsr() * 0.001f; - if(nsamps < 1) - nsamps = 1; - nsamps += ((- nsamps) & (IEMDELAY_DEF_VEC_SIZE - 1)); - nsamps += IEMDELAY_DEF_VEC_SIZE; - x->x_mallocsize = nsamps; - x->x_begmem1 = (t_float *)getbytes(2 * x->x_mallocsize * sizeof(t_float)); - x->x_begmem2 = x->x_begmem1 + x->x_mallocsize; - x->x_writeindex = IEMDELAY_DEF_VEC_SIZE; - x->x_blocksize = 0; - x->x_sr = 0.0f; - inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1")); - outlet_new(&x->x_obj, &s_signal); - x->x_msi = 0.0f; - return (x); -} - -static void sigiem_delay_free(t_sigiem_delay *x) -{ - freebytes(x->x_begmem1, 2 * x->x_mallocsize * sizeof(t_float)); -} - -void sigiem_delay_setup(void) -{ - sigiem_delay_class = class_new(gensym("iem_delay~"), (t_newmethod)sigiem_delay_new, (t_method)sigiem_delay_free, - sizeof(t_sigiem_delay), 0, A_DEFFLOAT, A_DEFFLOAT, 0); - CLASS_MAINSIGNALIN(sigiem_delay_class, t_sigiem_delay, x_msi); - class_addmethod(sigiem_delay_class, (t_method)sigiem_delay_dsp, gensym("dsp"), 0); - class_addmethod(sigiem_delay_class, (t_method)sigiem_delay_cur_del, gensym("ft1"), A_FLOAT, 0); -} diff --git a/src/iemlib1/sigiem_pow4.c b/src/iemlib1/sigiem_pow4.c deleted file mode 100644 index 130e7e3..0000000 --- a/src/iemlib1/sigiem_pow4.c +++ /dev/null @@ -1,86 +0,0 @@ -/* For information on usage and redistribution, and for a DISCLAIMER OF ALL -* WARRANTIES, see the file, "LICENSE.txt," in this distribution. - -iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */ - -#ifdef _MSC_VER -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include <math.h> -#include <stdio.h> -#include <string.h> - -/* ------------------------ iem_pow4~ ----------------------------- */ - -static t_class *sigiem_pow4_class; - -typedef struct _sigiem_pow4 -{ - t_object x_obj; - float x_exp; - float x_msi; -} t_sigiem_pow4; - -static void sigiem_pow4_ft1(t_sigiem_pow4 *x, t_floatarg f) -{ - x->x_exp = f; -} - -static t_int *sigiem_pow4_perform(t_int *w) -{ - t_float *in = (t_float *)(w[1]); - t_float *out = (t_float *)(w[2]); - t_sigiem_pow4 *x = (t_sigiem_pow4 *)(w[3]); - t_float y=x->x_exp; - t_float f, g; - int n = (int)(w[4])/4; - - while (n--) - { - f = *in; - if(f < 0.01f) - f = 0.01f; - else if(f > 1000.0f) - f = 1000.0f; - g = log(f); - f = exp(g*y); - *out++ = f; - *out++ = f; - *out++ = f; - *out++ = f; - in += 4; - } - return (w+5); -} - -static void sigiem_pow4_dsp(t_sigiem_pow4 *x, t_signal **sp) -{ - dsp_add(sigiem_pow4_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, sp[0]->s_n); -} - -static void *sigiem_pow4_new(t_floatarg f) -{ - t_sigiem_pow4 *x = (t_sigiem_pow4 *)pd_new(sigiem_pow4_class); - - x->x_exp = f; - inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1")); - outlet_new(&x->x_obj, gensym("signal")); - x->x_msi = 0; - return (x); -} - -void sigiem_pow4_setup(void) -{ - sigiem_pow4_class = class_new(gensym("iem_pow4~"), (t_newmethod)sigiem_pow4_new, 0, - sizeof(t_sigiem_pow4), 0, A_DEFFLOAT, 0); - class_addcreator((t_newmethod)sigiem_pow4_new, gensym("icot~"), 0); - CLASS_MAINSIGNALIN(sigiem_pow4_class, t_sigiem_pow4, x_msi); - class_addmethod(sigiem_pow4_class, (t_method)sigiem_pow4_dsp, gensym("dsp"), 0); - class_addmethod(sigiem_pow4_class, (t_method)sigiem_pow4_ft1, gensym("ft1"), A_FLOAT, 0); - class_sethelpsymbol(sigiem_pow4_class, gensym("iemhelp/help-iem_pow4~")); -} diff --git a/src/iemlib1/sigiem_sqrt4.c b/src/iemlib1/sigiem_sqrt4.c deleted file mode 100644 index f7d0191..0000000 --- a/src/iemlib1/sigiem_sqrt4.c +++ /dev/null @@ -1,116 +0,0 @@ -/* For information on usage and redistribution, and for a DISCLAIMER OF ALL -* WARRANTIES, see the file, "LICENSE.txt," in this distribution. - -iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */ - -#ifdef _MSC_VER -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include <math.h> -#include <stdio.h> -#include <string.h> - -#define IEMSQRT4TAB1SIZE 256 -#define IEMSQRT4TAB2SIZE 1024 - -/* ------------------------ iem_sqrt4~ ----------------------------- */ - -float *iem_sqrt4_exptab=(float *)0L; -float *iem_sqrt4_mantissatab=(float *)0L; - -static t_class *sigiem_sqrt4_class; - -typedef struct _sigiem_sqrt4 -{ - t_object x_obj; - float x_msi; -} t_sigiem_sqrt4; - -static t_int *sigiem_sqrt4_perform(t_int *w) -{ - t_float *in = (t_float *)(w[1]); - t_float *out = (t_float *)(w[2]); - t_int n = (t_int)(w[3])/4; - - while(n--) - { - float f = *in; - float g, h; - long l = *(long *)(in); - - if(f < 0.0f) - { - *out++ = 0.0f; - *out++ = 0.0f; - *out++ = 0.0f; - *out++ = 0.0f; - } - else - { - g = iem_sqrt4_exptab[(l >> 23) & 0xff] * iem_sqrt4_mantissatab[(l >> 13) & 0x3ff]; - h = f * (1.5f * g - 0.5f * g * g * g * f); - *out++ = h; - *out++ = h; - *out++ = h; - *out++ = h; - } - in += 4; - } - return(w+4); -} - -static void sigiem_sqrt4_dsp(t_sigiem_sqrt4 *x, t_signal **sp) -{ - dsp_add(sigiem_sqrt4_perform, 3, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n); -} - -static void sigiem_sqrt4_maketable(void) -{ - int i; - float f; - long l; - - if(!iem_sqrt4_exptab) - { - iem_sqrt4_exptab = (float *)getbytes(sizeof(float) * IEMSQRT4TAB1SIZE); - for(i=0; i<IEMSQRT4TAB1SIZE; i++) - { - l = (i ? (i == IEMSQRT4TAB1SIZE-1 ? IEMSQRT4TAB1SIZE-2 : i) : 1)<< 23; - *(long *)(&f) = l; - iem_sqrt4_exptab[i] = 1.0f/sqrt(f); - } - } - if(!iem_sqrt4_mantissatab) - { - iem_sqrt4_mantissatab = (float *)getbytes(sizeof(float) * IEMSQRT4TAB2SIZE); - for(i=0; i<IEMSQRT4TAB2SIZE; i++) - { - f = 1.0f + (1.0f/(float)IEMSQRT4TAB2SIZE) * (float)i; - iem_sqrt4_mantissatab[i] = 1.0f/sqrt(f); - } - } -} - -static void *sigiem_sqrt4_new(void) -{ - t_sigiem_sqrt4 *x = (t_sigiem_sqrt4 *)pd_new(sigiem_sqrt4_class); - - outlet_new(&x->x_obj, gensym("signal")); - x->x_msi = 0; - return (x); -} - -void sigiem_sqrt4_setup(void) -{ - sigiem_sqrt4_class = class_new(gensym("iem_sqrt4~"), (t_newmethod)sigiem_sqrt4_new, 0, - sizeof(t_sigiem_sqrt4), 0, 0); - CLASS_MAINSIGNALIN(sigiem_sqrt4_class, t_sigiem_sqrt4, x_msi); - class_addmethod(sigiem_sqrt4_class, (t_method)sigiem_sqrt4_dsp, gensym("dsp"), 0); - sigiem_sqrt4_maketable(); - class_sethelpsymbol(sigiem_sqrt4_class, gensym("iemhelp/help-iem_sqrt4~")); -} diff --git a/src/iemlib1/siglp1_t.c b/src/iemlib1/siglp1_t.c deleted file mode 100644 index c360b15..0000000 --- a/src/iemlib1/siglp1_t.c +++ /dev/null @@ -1,219 +0,0 @@ -/* For information on usage and redistribution, and for a DISCLAIMER OF ALL -* WARRANTIES, see the file, "LICENSE.txt," in this distribution. - -iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */ - -#ifdef _MSC_VER -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include <math.h> -#include <stdio.h> -#include <string.h> - - -/* -- lp1_t~ - slow dynamic lowpass-filter 1. order with tau input --- */ - -typedef struct siglp1_t -{ - t_object x_obj; - float yn1; - float c0; - float c1; - float sr; - float cur_t; - float delta_t; - float end_t; - float ticks_per_interpol_time; - float rcp_ticks; - float interpol_time; - int ticks; - int counter_t; - float x_msi; -} t_siglp1_t; - -t_class *siglp1_t_class; - -static void siglp1_t_dsp_tick(t_siglp1_t *x) -{ - if(x->counter_t) - { - if(x->counter_t <= 1) - { - x->cur_t = x->end_t; - x->counter_t = 0; - } - else - { - x->counter_t--; - x->cur_t += x->delta_t; - } - if(x->cur_t == 0.0f) - x->c1 = 0.0f; - else - x->c1 = exp((x->sr)/x->cur_t); - x->c0 = 1.0f - x->c1; - } -} - -static t_int *siglp1_t_perform(t_int *w) -{ - float *in = (float *)(w[1]); - float *out = (float *)(w[2]); - t_siglp1_t *x = (t_siglp1_t *)(w[3]); - int i, n = (t_int)(w[4]); - float yn0, yn1=x->yn1; - float c0=x->c0, c1=x->c1; - - siglp1_t_dsp_tick(x); - for(i=0; i<n; i++) - { - yn0 = (*in++)*c0 + yn1*c1; - *out++ = yn0; - yn1 = yn0; - } - /* NAN protect */ - if(IEM_DENORMAL(yn1)) - yn1 = 0.0f; - x->yn1 = yn1; - return(w+5); -} - -static t_int *siglp1_t_perf8(t_int *w) -{ - float *in = (float *)(w[1]); - float *out = (float *)(w[2]); - t_siglp1_t *x = (t_siglp1_t *)(w[3]); - int i, n = (t_int)(w[4]); - float yn[9]; - float c0=x->c0, c1=x->c1; - - siglp1_t_dsp_tick(x); - yn[0] = x->yn1; - for(i=0; i<n; i+=8, in+=8, out+=8) - { - yn[1] = in[0]*c0 + yn[0]*c1; - out[0] = yn[1]; - yn[2] = in[1]*c0 + yn[1]*c1; - out[1] = yn[2]; - yn[3] = in[2]*c0 + yn[2]*c1; - out[2] = yn[3]; - yn[4] = in[3]*c0 + yn[3]*c1; - out[3] = yn[4]; - yn[5] = in[4]*c0 + yn[4]*c1; - out[4] = yn[5]; - yn[6] = in[5]*c0 + yn[5]*c1; - out[5] = yn[6]; - yn[7] = in[6]*c0 + yn[6]*c1; - out[6] = yn[7]; - yn[8] = in[7]*c0 + yn[7]*c1; - out[7] = yn[8]; - yn[0] = yn[8]; - } - /* NAN protect */ - if(IEM_DENORMAL(yn[0])) - yn[0] = 0.0f; - - x->yn1 = yn[0]; - return(w+5); -} - -static void siglp1_t_ft2(t_siglp1_t *x, t_floatarg t) -{ - int i = (int)((x->ticks_per_interpol_time)*t); - - x->interpol_time = t; - if(i <= 0) - i = 1; - x->ticks = i; - x->rcp_ticks = 1.0f / (float)i; -} - -static void siglp1_t_ft1(t_siglp1_t *x, t_floatarg time_const) -{ - if(time_const < 0.0f) - time_const = 0.0f; - if(time_const != x->cur_t) - { - x->end_t = time_const; - x->counter_t = x->ticks; - x->delta_t = (time_const - x->cur_t) * x->rcp_ticks; - } -} - -static void siglp1_t_dsp(t_siglp1_t *x, t_signal **sp) -{ - int i, n=(int)sp[0]->s_n; - - x->sr = -1000.0f / (float)(sp[0]->s_sr); - x->ticks_per_interpol_time = 0.001f * (float)(sp[0]->s_sr) / (float)n; - i = (int)((x->ticks_per_interpol_time)*(x->interpol_time)); - if(i <= 0) - i = 1; - x->ticks = i; - x->rcp_ticks = 1.0f / (float)i; - if(x->cur_t == 0.0f) - x->c1 = 0.0f; - else - x->c1 = exp((x->sr)/x->cur_t); - x->c0 = 1.0f - x->c1; - if(n&7) - dsp_add(siglp1_t_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, n); - else - dsp_add(siglp1_t_perf8, 4, sp[0]->s_vec, sp[1]->s_vec, x, n); -} - -static void *siglp1_t_new(t_symbol *s, int argc, t_atom *argv) -{ - t_siglp1_t *x = (t_siglp1_t *)pd_new(siglp1_t_class); - int i; - float time_const=0.0f, interpol=0.0f; - - inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1")); - inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft2")); - outlet_new(&x->x_obj, &s_signal); - x->x_msi = 0; - x->counter_t = 1; - x->delta_t = 0.0f; - x->interpol_time = 0.0f; - x->yn1 = 0.0f; - x->sr = -1.0f / 44.1f; - if((argc >= 1)&&IS_A_FLOAT(argv,0)) - time_const = (float)atom_getfloatarg(0, argc, argv); - if((argc >= 2)&&IS_A_FLOAT(argv,1)) - interpol = (float)atom_getfloatarg(1, argc, argv); - if(time_const < 0.0f) - time_const = 0.0f; - x->cur_t = time_const; - if(time_const == 0.0f) - x->c1 = 0.0f; - else - x->c1 = exp((x->sr)/time_const); - x->c0 = 1.0f - x->c1; - if(interpol < 0.0f) - interpol = 0.0f; - x->interpol_time = interpol; - x->ticks_per_interpol_time = 0.5f; - i = (int)((x->ticks_per_interpol_time)*(x->interpol_time)); - if(i <= 0) - i = 1; - x->ticks = i; - x->rcp_ticks = 1.0f / (float)i; - x->end_t = x->cur_t; - return (x); -} - -void siglp1_t_setup(void) -{ - siglp1_t_class = class_new(gensym("lp1_t~"), (t_newmethod)siglp1_t_new, - 0, sizeof(t_siglp1_t), 0, A_GIMME, 0); - CLASS_MAINSIGNALIN(siglp1_t_class, t_siglp1_t, x_msi); - class_addmethod(siglp1_t_class, (t_method)siglp1_t_dsp, gensym("dsp"), 0); - class_addmethod(siglp1_t_class, (t_method)siglp1_t_ft1, gensym("ft1"), A_FLOAT, 0); - class_addmethod(siglp1_t_class, (t_method)siglp1_t_ft2, gensym("ft2"), A_FLOAT, 0); - class_sethelpsymbol(siglp1_t_class, gensym("iemhelp/help-lp1_t~")); -} diff --git a/src/iemlib1/sigmov_avrg_kern.c b/src/iemlib1/sigmov_avrg_kern.c deleted file mode 100644 index dd3e26c..0000000 --- a/src/iemlib1/sigmov_avrg_kern.c +++ /dev/null @@ -1,143 +0,0 @@ -/* For information on usage and redistribution, and for a DISCLAIMER OF ALL -* WARRANTIES, see the file, "LICENSE.txt," in this distribution. - -iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */ - -#ifdef _MSC_VER -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include <math.h> -#include <stdio.h> -#include <string.h> - - -/* -- mov_avrg_kern~ - kernel for a moving-average-filter with IIR - */ - -typedef struct sigmov_avrg_kern -{ - t_object x_obj; - double x_wn1; - double x_a0; - double x_sr; - double x_mstime; - int x_nsamps; - int x_counter; - float x_msi; -} t_sigmov_avrg_kern; - -t_class *sigmov_avrg_kern_class; - -static t_int *sigmov_avrg_kern_perform(t_int *w) -{ - float *in_direct = (float *)(w[1]); - float *in_delayed = (float *)(w[2]); - float *out = (float *)(w[3]); - t_sigmov_avrg_kern *x = (t_sigmov_avrg_kern *)(w[4]); - int i, n = (int)(w[5]); - double wn0, wn1=x->x_wn1, a0=x->x_a0; - - if(x->x_counter) - { - int counter = x->x_counter; - - if(counter >= n) - { - x->x_counter = counter - n; - for(i=0; i<n; i++) - { - wn0 = wn1 + a0*(double)(*in_direct++); - *out++ = (float)wn0; - wn1 = wn0; - } - } - else - { - x->x_counter = 0; - for(i=0; i<counter; i++) - { - wn0 = wn1 + a0*(double)(*in_direct++); - *out++ = (float)wn0; - wn1 = wn0; - } - for(i=counter; i<n; i++) - { - wn0 = wn1 + a0*(double)(*in_direct++ - *in_delayed++); - *out++ = (float)wn0; - wn1 = wn0; - } - } - } - else - { - for(i=0; i<n; i++) - { - wn0 = wn1 + a0*(double)(*in_direct++ - *in_delayed++); - *out++ = (float)wn0; - wn1 = wn0; - } - } - x->x_wn1 = wn1; - return(w+6); -} - -static void sigmov_avrg_kern_ft1(t_sigmov_avrg_kern *x, t_floatarg mstime) -{ - if(mstime < 0.04) - mstime = 0.04; - x->x_mstime = (double)mstime; - x->x_nsamps = (int)(x->x_sr * x->x_mstime); - x->x_counter = x->x_nsamps; - x->x_wn1 = 0.0; - x->x_a0 = 1.0/(double)(x->x_nsamps); -} - -static void sigmov_avrg_kern_reset(t_sigmov_avrg_kern *x) -{ - x->x_counter = x->x_nsamps; - x->x_wn1 = 0.0; -} - -static void sigmov_avrg_kern_dsp(t_sigmov_avrg_kern *x, t_signal **sp) -{ - x->x_sr = 0.001*(double)(sp[0]->s_sr); - x->x_nsamps = (int)(x->x_sr * x->x_mstime); - x->x_counter = x->x_nsamps; - x->x_wn1 = 0.0; - x->x_a0 = 1.0/(double)(x->x_nsamps); - dsp_add(sigmov_avrg_kern_perform, 5, sp[0]->s_vec, sp[1]->s_vec, sp[2]->s_vec, x, sp[0]->s_n); -} - -static void *sigmov_avrg_kern_new(t_floatarg mstime) -{ - t_sigmov_avrg_kern *x = (t_sigmov_avrg_kern *)pd_new(sigmov_avrg_kern_class); - - if(mstime < 0.04) - mstime = 0.04; - x->x_mstime = (double)mstime; - x->x_sr = 44.1; - x->x_nsamps = (int)(x->x_sr * x->x_mstime); - x->x_counter = x->x_nsamps; - x->x_wn1 = 0.0; - x->x_a0 = 1.0/(double)(x->x_nsamps); - - inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal); - inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1")); - outlet_new(&x->x_obj, &s_signal); - x->x_msi = 0; - return(x); -} - -void sigmov_avrg_kern_setup(void) -{ - sigmov_avrg_kern_class = class_new(gensym("mov_avrg_kern~"), (t_newmethod)sigmov_avrg_kern_new, - 0, sizeof(t_sigmov_avrg_kern), 0, A_FLOAT, 0); - CLASS_MAINSIGNALIN(sigmov_avrg_kern_class, t_sigmov_avrg_kern, x_msi); - class_addmethod(sigmov_avrg_kern_class, (t_method)sigmov_avrg_kern_dsp, gensym("dsp"), 0); - class_addmethod(sigmov_avrg_kern_class, (t_method)sigmov_avrg_kern_ft1, gensym("ft1"), A_FLOAT, 0); - class_addmethod(sigmov_avrg_kern_class, (t_method)sigmov_avrg_kern_reset, gensym("reset"), 0); -} diff --git a/src/iemlib1/sigpara_bp2.c b/src/iemlib1/sigpara_bp2.c deleted file mode 100644 index d14d26d..0000000 --- a/src/iemlib1/sigpara_bp2.c +++ /dev/null @@ -1,426 +0,0 @@ -/* For information on usage and redistribution, and for a DISCLAIMER OF ALL -* WARRANTIES, see the file, "LICENSE.txt," in this distribution. - -iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */ - -#ifdef _MSC_VER -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include <math.h> -#include <stdio.h> -#include <string.h> - - -/* ---------- para_bp2~ - parametric bandpass 2. order ----------- */ - -typedef struct sigpara_bp2 -{ - t_object x_obj; - float wn1; - float wn2; - float a0; - float a1; - float a2; - float b1; - float b2; - float sr; - float cur_f; - float cur_l; - float cur_a; - float cur_g; - float delta_f; - float delta_a; - float delta_g; - float end_f; - float end_a; - float end_g; - float ticks_per_interpol_time; - float rcp_ticks; - float interpol_time; - int ticks; - int counter_f; - int counter_a; - int counter_g; - int event_mask; - void *x_debug_outlet; - t_atom x_at[5]; - float x_msi; -} t_sigpara_bp2; - -t_class *sigpara_bp2_class; - -static void sigpara_bp2_calc(t_sigpara_bp2 *x) -{ - float l, al, gal, l2, rcp; - - l = x->cur_l; - l2 = l*l + 1.0; - al = l*x->cur_a; - gal = al*x->cur_g; - rcp = 1.0f/(al + l2); - x->a0 = rcp*(l2 + gal); - x->a1 = rcp*2.0f*(2.0f - l2); - x->a2 = rcp*(l2 - gal); - x->b1 = -x->a1; - x->b2 = rcp*(al - l2); -} - -static void sigpara_bp2_dsp_tick(t_sigpara_bp2 *x) -{ - if(x->event_mask) - { - float discriminant; - - if(x->counter_f) - { - float l, si, co; - - if(x->counter_f <= 1) - { - x->cur_f = x->end_f; - x->counter_f = 0; - x->event_mask &= 6;/*set event_mask_bit 0 = 0*/ - } - else - { - x->counter_f--; - x->cur_f *= x->delta_f; - } - l = x->cur_f * x->sr; - if(l < 1.0e-20f) - x->cur_l = 1.0e20f; - else if(l > 1.57079632f) - x->cur_l = 0.0f; - else - { - si = sin(l); - co = cos(l); - x->cur_l = co/si; - } - } - if(x->counter_a) - { - if(x->counter_a <= 1) - { - x->cur_a = x->end_a; - x->counter_a = 0; - x->event_mask &= 5;/*set event_mask_bit 1 = 0*/ - } - else - { - x->counter_a--; - x->cur_a *= x->delta_a; - } - } - if(x->counter_g) - { - if(x->counter_g <= 1) - { - x->cur_g = x->end_g; - x->counter_g = 0; - x->event_mask &= 3;/*set event_mask_bit 2 = 0*/ - } - else - { - x->counter_g--; - x->cur_g *= x->delta_g; - } - } - - sigpara_bp2_calc(x); - - /* stability check */ - - discriminant = x->b1 * x->b1 + 4.0f * x->b2; - if(x->b1 <= -1.9999996f) - x->b1 = -1.9999996f; - else if(x->b1 >= 1.9999996f) - x->b1 = 1.9999996f; - - if(x->b2 <= -0.9999998f) - x->b2 = -0.9999998f; - else if(x->b2 >= 0.9999998f) - x->b2 = 0.9999998f; - - if(discriminant >= 0.0f) - { - if(0.9999998f - x->b1 - x->b2 < 0.0f) - x->b2 = 0.9999998f - x->b1; - if(0.9999998f + x->b1 - x->b2 < 0.0f) - x->b2 = 0.9999998f + x->b1; - } - } -} - -static t_int *sigpara_bp2_perform(t_int *w) -{ - float *in = (float *)(w[1]); - float *out = (float *)(w[2]); - t_sigpara_bp2 *x = (t_sigpara_bp2 *)(w[3]); - int i, n = (t_int)(w[4]); - float wn0, wn1=x->wn1, wn2=x->wn2; - float a0=x->a0, a1=x->a1, a2=x->a2; - float b1=x->b1, b2=x->b2; - - sigpara_bp2_dsp_tick(x); - for(i=0; i<n; i++) - { - wn0 = *in++ + b1*wn1 + b2*wn2; - *out++ = a0*wn0 + a1*wn1 + a2*wn2; - wn2 = wn1; - wn1 = wn0; - } - /* NAN protect */ - if(IEM_DENORMAL(wn2)) - wn2 = 0.0f; - if(IEM_DENORMAL(wn1)) - wn1 = 0.0f; - - x->wn1 = wn1; - x->wn2 = wn2; - return(w+5); -} -/* yn0 = *out; -xn0 = *in; -************* -yn0 = a0*xn0 + a1*xn1 + a2*xn2 + b1*yn1 + b2*yn2; -yn2 = yn1; -yn1 = yn0; -xn2 = xn1; -xn1 = xn0; -************************* -y/x = (a0 + a1*z-1 + a2*z-2)/(1 - b1*z-1 - b2*z-2);*/ - -static t_int *sigpara_bp2_perf8(t_int *w) -{ - float *in = (float *)(w[1]); - float *out = (float *)(w[2]); - t_sigpara_bp2 *x = (t_sigpara_bp2 *)(w[3]); - int i, n = (t_int)(w[4]); - float wn[10]; - float a0=x->a0, a1=x->a1, a2=x->a2; - float b1=x->b1, b2=x->b2; - - sigpara_bp2_dsp_tick(x); - wn[0] = x->wn2; - wn[1] = x->wn1; - for(i=0; i<n; i+=8, in+=8, out+=8) - { - wn[2] = in[0] + b1*wn[1] + b2*wn[0]; - out[0] = a0*wn[2] + a1*wn[1] + a2*wn[0]; - wn[3] = in[1] + b1*wn[2] + b2*wn[1]; - out[1] = a0*wn[3] + a1*wn[2] + a2*wn[1]; - wn[4] = in[2] + b1*wn[3] + b2*wn[2]; - out[2] = a0*wn[4] + a1*wn[3] + a2*wn[2]; - wn[5] = in[3] + b1*wn[4] + b2*wn[3]; - out[3] = a0*wn[5] + a1*wn[4] + a2*wn[3]; - wn[6] = in[4] + b1*wn[5] + b2*wn[4]; - out[4] = a0*wn[6] + a1*wn[5] + a2*wn[4]; - wn[7] = in[5] + b1*wn[6] + b2*wn[5]; - out[5] = a0*wn[7] + a1*wn[6] + a2*wn[5]; - wn[8] = in[6] + b1*wn[7] + b2*wn[6]; - out[6] = a0*wn[8] + a1*wn[7] + a2*wn[6]; - wn[9] = in[7] + b1*wn[8] + b2*wn[7]; - out[7] = a0*wn[9] + a1*wn[8] + a2*wn[7]; - wn[0] = wn[8]; - wn[1] = wn[9]; - } - /* NAN protect */ - if(IEM_DENORMAL(wn[0])) - wn[0] = 0.0f; - if(IEM_DENORMAL(wn[1])) - wn[1] = 0.0f; - - x->wn1 = wn[1]; - x->wn2 = wn[0]; - return(w+5); -} - -static void sigpara_bp2_ft4(t_sigpara_bp2 *x, t_floatarg t) -{ - int i = (int)((x->ticks_per_interpol_time)*t); - - x->interpol_time = t; - if(i <= 0) - i = 1; - x->ticks = i; - x->rcp_ticks = 1.0f / (float)i; -} - -static void sigpara_bp2_ft3(t_sigpara_bp2 *x, t_floatarg l) -{ - float g = exp(0.11512925465 * l); - - if(g != x->cur_g) - { - x->end_g = g; - x->counter_g = x->ticks; - x->delta_g = exp(log(g/x->cur_g)*x->rcp_ticks); - x->event_mask |= 4;/*set event_mask_bit 2 = 1*/ - } -} - -static void sigpara_bp2_ft2(t_sigpara_bp2 *x, t_floatarg q) -{ - float a; - - if(q <= 0.0f) - q = 0.000001f; - a = 1.0f/q; - if(a != x->cur_a) - { - x->end_a = a; - x->counter_a = x->ticks; - x->delta_a = exp(log(a/x->cur_a)*x->rcp_ticks); - x->event_mask |= 2;/*set event_mask_bit 1 = 1*/ - } -} - -static void sigpara_bp2_ft1(t_sigpara_bp2 *x, t_floatarg f) -{ - if(f <= 0.0f) - f = 0.000001f; - if(f != x->cur_f) - { - x->end_f = f; - x->counter_f = x->ticks; - x->delta_f = exp(log(f/x->cur_f)*x->rcp_ticks); - x->event_mask |= 1;/*set event_mask_bit 0 = 1*/ - } -} - -static void sigpara_bp2_print(t_sigpara_bp2 *x) -{ - // post("fb1 = %g, fb2 = %g, ff1 = %g, ff2 = %g, ff3 = %g", x->b1, x->b2, x->a0, x->a1, x->a2); - x->x_at[0].a_w.w_float = x->b1; - x->x_at[1].a_w.w_float = x->b2; - x->x_at[2].a_w.w_float = x->a0; - x->x_at[3].a_w.w_float = x->a1; - x->x_at[4].a_w.w_float = x->a2; - outlet_list(x->x_debug_outlet, &s_list, 5, x->x_at); -} - -static void sigpara_bp2_dsp(t_sigpara_bp2 *x, t_signal **sp) -{ - float si, co, f; - int i, n=(int)sp[0]->s_n; - - x->sr = 3.14159265358979323846f / (float)(sp[0]->s_sr); - x->ticks_per_interpol_time = 0.001f * (float)(sp[0]->s_sr) / (float)n; - i = (int)((x->ticks_per_interpol_time)*(x->interpol_time)); - if(i <= 0) - i = 1; - x->ticks = i; - x->rcp_ticks = 1.0f / (float)i; - f = x->cur_f * x->sr; - if(f < 1.0e-20f) - x->cur_l = 1.0e20f; - else if(f > 1.57079632f) - x->cur_l = 0.0f; - else - { - si = sin(f); - co = cos(f); - x->cur_l = co/si; - } - if(n&7) - dsp_add(sigpara_bp2_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, n); - else - dsp_add(sigpara_bp2_perf8, 4, sp[0]->s_vec, sp[1]->s_vec, x, n); -} - -static void *sigpara_bp2_new(t_symbol *s, int argc, t_atom *argv) -{ - t_sigpara_bp2 *x = (t_sigpara_bp2 *)pd_new(sigpara_bp2_class); - int i; - float si, co, f=0.0, q=1.0, l=0.0, interpol=0.0; - - inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1")); - inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft2")); - inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft3")); - inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft4")); - outlet_new(&x->x_obj, &s_signal); - x->x_debug_outlet = outlet_new(&x->x_obj, &s_list); - x->x_msi = 0; - - x->x_at[0].a_type = A_FLOAT; - x->x_at[1].a_type = A_FLOAT; - x->x_at[2].a_type = A_FLOAT; - x->x_at[3].a_type = A_FLOAT; - x->x_at[4].a_type = A_FLOAT; - - x->event_mask = 1; - x->counter_f = 1; - x->counter_a = 0; - x->counter_g = 0; - x->delta_f = 0.0f; - x->delta_a = 0.0f; - x->delta_g = 0.0f; - x->interpol_time = 500.0f; - x->wn1 = 0.0; - x->wn2 = 0.0; - x->a0 = 0.0; - x->a1 = 0.0; - x->a2 = 0.0; - x->b1 = 0.0; - x->b2 = 0.0; - x->sr = 3.14159265358979323846f / 44100.0f; - x->cur_a = 1.0; - if((argc == 4)&&IS_A_FLOAT(argv,3)&&IS_A_FLOAT(argv,2)&&IS_A_FLOAT(argv,1)&&IS_A_FLOAT(argv,0)) - { - f = (float)atom_getfloatarg(0, argc, argv); - q = (float)atom_getfloatarg(1, argc, argv); - l = (float)atom_getfloatarg(2, argc, argv); - interpol = (float)atom_getfloatarg(3, argc, argv); - } - if(f <= 0.0f) - f = 0.000001f; - x->cur_f = f; - f *= x->sr; - if(f < 1.0e-20f) - x->cur_l = 1.0e20f; - else if(f > 1.57079632f) - x->cur_l = 0.0f; - else - { - si = sin(f); - co = cos(f); - x->cur_l = co/si; - } - if(q <= 0.0f) - q = 0.000001f; - x->cur_a = 1.0f/q; - x->cur_g = exp(0.11512925465 * l); - if(interpol <= 0.0f) - interpol = 0.0f; - x->interpol_time = interpol; - x->ticks_per_interpol_time = 0.5f; - i = (int)((x->ticks_per_interpol_time)*(x->interpol_time)); - if(i <= 0) - i = 1; - x->ticks = i; - x->rcp_ticks = 1.0f / (float)i; - x->end_f = x->cur_f; - x->end_a = x->cur_a; - x->end_g = x->cur_g; - return(x); -} - -void sigpara_bp2_setup(void) -{ - sigpara_bp2_class = class_new(gensym("para_bp2~"), (t_newmethod)sigpara_bp2_new, - 0, sizeof(t_sigpara_bp2), 0, A_GIMME, 0); - CLASS_MAINSIGNALIN(sigpara_bp2_class, t_sigpara_bp2, x_msi); - class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_dsp, gensym("dsp"), 0); - class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_ft1, gensym("ft1"), A_FLOAT, 0); - class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_ft2, gensym("ft2"), A_FLOAT, 0); - class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_ft3, gensym("ft3"), A_FLOAT, 0); - class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_ft4, gensym("ft4"), A_FLOAT, 0); - class_addmethod(sigpara_bp2_class, (t_method)sigpara_bp2_print, gensym("print"), 0); - class_sethelpsymbol(sigpara_bp2_class, gensym("iemhelp/help-para_bp2~")); -} diff --git a/src/iemlib1/sigpeakenv.c b/src/iemlib1/sigpeakenv.c deleted file mode 100644 index 95b465f..0000000 --- a/src/iemlib1/sigpeakenv.c +++ /dev/null @@ -1,102 +0,0 @@ -/* For information on usage and redistribution, and for a DISCLAIMER OF ALL -* WARRANTIES, see the file, "LICENSE.txt," in this distribution. - -iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */ - -#ifdef _MSC_VER -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include <math.h> -#include <stdio.h> -#include <string.h> - -/* ---------------- peakenv~ - simple peak-envelope-converter. ----------------- */ - -typedef struct sigpeakenv -{ - t_object x_obj; - float x_sr; - float x_old_peak; - float x_c1; - float x_releasetime; - float x_msi; -} t_sigpeakenv; - -t_class *sigpeakenv_class; - -static void sigpeakenv_reset(t_sigpeakenv *x) -{ - x->x_old_peak = 0.0f; -} - -static void sigpeakenv_ft1(t_sigpeakenv *x, t_floatarg f)/* release-time in ms */ -{ - if(f < 0.0f) - f = 0.0f; - x->x_releasetime = f; - x->x_c1 = exp(-1.0/(x->x_sr*0.001*x->x_releasetime)); -} - -static t_int *sigpeakenv_perform(t_int *w) -{ - float *in = (float *)(w[1]); - float *out = (float *)(w[2]); - t_sigpeakenv *x = (t_sigpeakenv *)(w[3]); - int n = (int)(w[4]); - float peak = x->x_old_peak; - float c1 = x->x_c1; - float absolute; - int i; - - for(i=0; i<n; i++) - { - absolute = fabs(*in++); - peak *= c1; - if(absolute > peak) - peak = absolute; - *out++ = peak; - } - /* NAN protect */ - if(IEM_DENORMAL(peak)) - peak = 0.0f; - x->x_old_peak = peak; - return(w+5); -} - -static void sigpeakenv_dsp(t_sigpeakenv *x, t_signal **sp) -{ - x->x_sr = (float)sp[0]->s_sr; - sigpeakenv_ft1(x, x->x_releasetime); - dsp_add(sigpeakenv_perform, 4, sp[0]->s_vec, sp[1]->s_vec, x, sp[0]->s_n); -} - -static void *sigpeakenv_new(t_floatarg f) -{ - t_sigpeakenv *x = (t_sigpeakenv *)pd_new(sigpeakenv_class); - - if(f <= 0.0f) - f = 0.0f; - x->x_sr = 44100.0f; - sigpeakenv_ft1(x, f); - x->x_old_peak = 0.0f; - inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("ft1")); - outlet_new(&x->x_obj, &s_signal); - x->x_msi = 0; - return(x); -} - -void sigpeakenv_setup(void) -{ - sigpeakenv_class = class_new(gensym("peakenv~"), (t_newmethod)sigpeakenv_new, - 0, sizeof(t_sigpeakenv), 0, A_DEFFLOAT, 0); - CLASS_MAINSIGNALIN(sigpeakenv_class, t_sigpeakenv, x_msi); - class_addmethod(sigpeakenv_class, (t_method)sigpeakenv_dsp, gensym("dsp"), 0); - class_addmethod(sigpeakenv_class, (t_method)sigpeakenv_ft1, gensym("ft1"), A_FLOAT, 0); - class_addmethod(sigpeakenv_class, (t_method)sigpeakenv_reset, gensym("reset"), 0); - class_sethelpsymbol(sigpeakenv_class, gensym("iemhelp/help-peakenv~")); -} diff --git a/src/iemlib1/sigprvu.c b/src/iemlib1/sigprvu.c deleted file mode 100644 index b33d3d3..0000000 --- a/src/iemlib1/sigprvu.c +++ /dev/null @@ -1,282 +0,0 @@ -/* For information on usage and redistribution, and for a DISCLAIMER OF ALL -* WARRANTIES, see the file, "LICENSE.txt," in this distribution. - -iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */ - -#ifdef _MSC_VER -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include <math.h> -#include <stdio.h> -#include <string.h> - -/* ---------------- prvu~ - simple peak&rms-vu-meter. ----------------- */ - -typedef struct sigprvu -{ - t_object x_obj; - t_atom x_at[3]; - void *x_clock_metro; - int x_metro_time; - void *x_clock_hold; - int x_hold_time; - float x_cur_peak; - float x_old_peak; - float x_hold_peak; - int x_hold; - float x_sum_rms; - float x_old_rms; - float x_rcp; - float x_sr; - float x_threshold_over; - int x_overflow_counter; - float x_release_time; - float x_c1; - int x_started; - float x_msi; -} t_sigprvu; - -t_class *sigprvu_class; -static void sigprvu_tick_metro(t_sigprvu *x); -static void sigprvu_tick_hold(t_sigprvu *x); - -static void sigprvu_reset(t_sigprvu *x) -{ - x->x_at[0].a_w.w_float = -99.9f; - x->x_at[1].a_w.w_float = -99.9f; - x->x_at[2].a_w.w_float = 0.0f; - outlet_list(x->x_obj.ob_outlet, &s_list, 3, x->x_at); - x->x_overflow_counter = 0; - x->x_cur_peak = 0.0f; - x->x_old_peak = 0.0f; - x->x_hold_peak = 0.0f; - x->x_sum_rms = 0.0f; - x->x_old_rms = 0.0f; - x->x_hold = 0; - clock_unset(x->x_clock_hold); - clock_delay(x->x_clock_metro, x->x_metro_time); -} - -static void sigprvu_stop(t_sigprvu *x) -{ - clock_unset(x->x_clock_metro); - x->x_started = 0; -} - -static void sigprvu_start(t_sigprvu *x) -{ - clock_delay(x->x_clock_metro, x->x_metro_time); - x->x_started = 1; -} - -static void sigprvu_float(t_sigprvu *x, t_floatarg f) -{ - if(f == 0.0) - { - clock_unset(x->x_clock_metro); - x->x_started = 0; - } - else - { - clock_delay(x->x_clock_metro, x->x_metro_time); - x->x_started = 1; - } -} - -static void sigprvu_t_release(t_sigprvu *x, t_floatarg release_time) -{ - if(release_time <= 20.0f) - release_time = 20.0f; - x->x_release_time = release_time; - x->x_c1 = exp(-2.0*(float)x->x_metro_time/x->x_release_time); -} - -static void sigprvu_t_metro(t_sigprvu *x, t_floatarg metro_time) -{ - if(metro_time <= 20.0f) - metro_time = 20.0f; - x->x_metro_time = (int)metro_time; - x->x_c1 = exp(-2.0*(float)x->x_metro_time/x->x_release_time); - x->x_rcp = 1.0f/(x->x_sr*(float)x->x_metro_time); -} - -static void sigprvu_t_hold(t_sigprvu *x, t_floatarg hold_time) -{ - if(hold_time <= 20.0f) - hold_time = 20.0f; - x->x_hold_time = (int)hold_time; -} - -static void sigprvu_threshold(t_sigprvu *x, t_floatarg thresh) -{ - x->x_threshold_over = thresh; -} - -static t_int *sigprvu_perform(t_int *w) -{ - float *in = (float *)(w[1]); - t_sigprvu *x = (t_sigprvu *)(w[2]); - int n = (int)(w[3]); - float peak = x->x_cur_peak, pow, sum=x->x_sum_rms; - int i; - - if(x->x_started) - { - for(i=0; i<n; i++) - { - pow = in[i]*in[i]; - if(pow > peak) - peak = pow; - sum += pow; - } - x->x_cur_peak = peak; - x->x_sum_rms = sum; - } - return(w+4); -} - -static void sigprvu_dsp(t_sigprvu *x, t_signal **sp) -{ - x->x_sr = 0.001*(float)sp[0]->s_sr; - x->x_rcp = 1.0f/(x->x_sr*(float)x->x_metro_time); - dsp_add(sigprvu_perform, 3, sp[0]->s_vec, x, sp[0]->s_n); - clock_delay(x->x_clock_metro, x->x_metro_time); -} - -static void sigprvu_tick_hold(t_sigprvu *x) -{ - x->x_hold = 0; - x->x_hold_peak = x->x_old_peak; -} - -static void sigprvu_tick_metro(t_sigprvu *x) -{ - float dbr, dbp, cur_rms, c1=x->x_c1; - - x->x_old_peak *= c1; - /* NAN protect */ - if(IEM_DENORMAL(x->x_old_peak)) - x->x_old_peak = 0.0f; - - if(x->x_cur_peak > x->x_old_peak) - x->x_old_peak = x->x_cur_peak; - if(x->x_old_peak > x->x_hold_peak) - { - x->x_hold = 1; - x->x_hold_peak = x->x_old_peak; - clock_delay(x->x_clock_hold, x->x_hold_time); - } - if(!x->x_hold) - x->x_hold_peak = x->x_old_peak; - if(x->x_hold_peak <= 0.0000000001f) - dbp = -99.9f; - else if(x->x_hold_peak > 1000000.0f) - { - dbp = 60.0f; - x->x_hold_peak = 1000000.0f; - x->x_old_peak = 1000000.0f; - } - else - dbp = 4.3429448195f*log(x->x_hold_peak); - x->x_cur_peak = 0.0f; - if(dbp >= x->x_threshold_over) - x->x_overflow_counter++; - x->x_at[1].a_w.w_float = dbp; - x->x_at[2].a_w.w_float = (float)x->x_overflow_counter; - - cur_rms = (1.0f - c1)*x->x_sum_rms*x->x_rcp + c1*x->x_old_rms; - /* NAN protect */ - if(IEM_DENORMAL(cur_rms)) - cur_rms = 0.0f; - - if(cur_rms <= 0.0000000001f) - dbr = -99.9f; - else if(cur_rms > 1000000.0f) - { - dbr = 60.0f; - x->x_old_rms = 1000000.0f; - } - else - dbr = 4.3429448195f*log(cur_rms); - x->x_sum_rms = 0.0f; - x->x_old_rms = cur_rms; - x->x_at[0].a_w.w_float = dbr; - outlet_list(x->x_obj.ob_outlet, &s_list, 3, x->x_at); - clock_delay(x->x_clock_metro, x->x_metro_time); -} - -static void sigprvu_ff(t_sigprvu *x) -{ - clock_free(x->x_clock_metro); - clock_free(x->x_clock_hold); -} - -static void *sigprvu_new(t_floatarg metro_time, t_floatarg hold_time, - t_floatarg release_time, t_floatarg threshold) -{ - t_sigprvu *x; - float t; - int i; - - x = (t_sigprvu *)pd_new(sigprvu_class); - if(metro_time <= 0.0f) - metro_time = 300.0f; - if(metro_time <= 20.0f) - metro_time = 20.0f; - if(release_time <= 0.0f) - release_time = 300.0f; - if(release_time <= 20.0f) - release_time = 20.0f; - if(hold_time <= 0.0f) - hold_time = 1000.0f; - if(hold_time <= 20.0f) - hold_time = 20.0f; - if(threshold == 0.0f) - threshold = -0.01f; - x->x_metro_time = (int)metro_time; - x->x_release_time = release_time; - x->x_hold_time = (int)hold_time; - x->x_threshold_over = threshold; - x->x_c1 = exp(-2.0*(float)x->x_metro_time/x->x_release_time); - x->x_cur_peak = 0.0f; - x->x_old_peak = 0.0f; - x->x_hold_peak = 0.0f; - x->x_hold = 0; - x->x_sum_rms = 0.0f; - x->x_old_rms = 0.0f; - x->x_sr = 44.1f; - x->x_rcp = 1.0f/(x->x_sr*(float)x->x_metro_time); - x->x_overflow_counter = 0; - x->x_clock_metro = clock_new(x, (t_method)sigprvu_tick_metro); - x->x_clock_hold = clock_new(x, (t_method)sigprvu_tick_hold); - x->x_started = 1; - outlet_new(&x->x_obj, &s_list); - x->x_at[0].a_type = A_FLOAT; - x->x_at[1].a_type = A_FLOAT; - x->x_at[2].a_type = A_FLOAT; - x->x_msi = 0.0f; - return(x); -} - -void sigprvu_setup(void) -{ - sigprvu_class = class_new(gensym("prvu~"), (t_newmethod)sigprvu_new, - (t_method)sigprvu_ff, sizeof(t_sigprvu), 0, - A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, 0); - CLASS_MAINSIGNALIN(sigprvu_class, t_sigprvu, x_msi); - class_addmethod(sigprvu_class, (t_method)sigprvu_dsp, gensym("dsp"), 0); - class_addfloat(sigprvu_class, sigprvu_float); - class_addmethod(sigprvu_class, (t_method)sigprvu_reset, gensym("reset"), 0); - class_addmethod(sigprvu_class, (t_method)sigprvu_start, gensym("start"), 0); - class_addmethod(sigprvu_class, (t_method)sigprvu_stop, gensym("stop"), 0); - class_addmethod(sigprvu_class, (t_method)sigprvu_t_release, gensym("t_release"), A_FLOAT, 0); - class_addmethod(sigprvu_class, (t_method)sigprvu_t_metro, gensym("t_metro"), A_FLOAT, 0); - class_addmethod(sigprvu_class, (t_method)sigprvu_t_hold, gensym("t_hold"), A_FLOAT, 0); - class_addmethod(sigprvu_class, (t_method)sigprvu_threshold, gensym("threshold"), A_FLOAT, 0); - class_sethelpsymbol(sigprvu_class, gensym("iemhelp/help-prvu~")); -} diff --git a/src/iemlib1/sigpvu.c b/src/iemlib1/sigpvu.c deleted file mode 100644 index d1caeb4..0000000 --- a/src/iemlib1/sigpvu.c +++ /dev/null @@ -1,206 +0,0 @@ -/* For information on usage and redistribution, and for a DISCLAIMER OF ALL -* WARRANTIES, see the file, "LICENSE.txt," in this distribution. - -iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */ - -#ifdef _MSC_VER -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include <math.h> -#include <stdio.h> -#include <string.h> - -/* ---------------- pvu~ - simple peak-vu-meter. ----------------- */ - -typedef struct sigpvu -{ - t_object x_obj; - void *x_outlet_meter; - void *x_outlet_over; - void *x_clock; - float x_cur_peak; - float x_old_peak; - float x_threshold_over; - float x_c1; - int x_metro_time; - float x_release_time; - int x_overflow_counter; - int x_started; - float x_msi; -} t_sigpvu; - -t_class *sigpvu_class; -static void sigpvu_tick(t_sigpvu *x); - -static void sigpvu_reset(t_sigpvu *x) -{ - outlet_float(x->x_outlet_over, (t_float)0); - outlet_float(x->x_outlet_meter, -199.9); - x->x_overflow_counter = 0; - x->x_cur_peak = 0.0f; - x->x_old_peak = 0.0f; - clock_delay(x->x_clock, x->x_metro_time); -} - -static void sigpvu_stop(t_sigpvu *x) -{ - clock_unset(x->x_clock); - x->x_started = 0; -} - -static void sigpvu_start(t_sigpvu *x) -{ - clock_delay(x->x_clock, x->x_metro_time); - x->x_started = 1; -} - -static void sigpvu_float(t_sigpvu *x, t_floatarg f) -{ - if(f == 0.0) - { - clock_unset(x->x_clock); - x->x_started = 0; - } - else - { - clock_delay(x->x_clock, x->x_metro_time); - x->x_started = 1; - } -} - -static void sigpvu_t_release(t_sigpvu *x, t_floatarg release_time) -{ - if(release_time <= 20.0f) - release_time = 20.0f; - x->x_release_time = release_time; - x->x_c1 = exp(-(float)x->x_metro_time/(float)release_time); -} - -static void sigpvu_t_metro(t_sigpvu *x, t_floatarg metro_time) -{ - if(metro_time <= 20.0f) - metro_time = 20.0f; - x->x_metro_time = (int)metro_time; - x->x_c1 = exp(-(float)metro_time/(float)x->x_release_time); -} - -static void sigpvu_threshold(t_sigpvu *x, t_floatarg thresh) -{ - x->x_threshold_over = thresh; -} - -static t_int *sigpvu_perform(t_int *w) -{ - float *in = (float *)(w[1]); - t_sigpvu *x = (t_sigpvu *)(w[2]); - int n = (int)(w[3]); - float peak = x->x_cur_peak; - float absolute; - int i; - - if(x->x_started) - { - for(i=0; i<n; i++) - { - absolute = fabs(*in++); - if(absolute > peak) - peak = absolute; - } - x->x_cur_peak = peak; - } - return(w+4); -} - -static void sigpvu_dsp(t_sigpvu *x, t_signal **sp) -{ - dsp_add(sigpvu_perform, 3, sp[0]->s_vec, x, sp[0]->s_n); - clock_delay(x->x_clock, x->x_metro_time); -} - -static void sigpvu_tick(t_sigpvu *x) -{ - float db; - int i; - - x->x_old_peak *= x->x_c1; - /* NAN protect */ - if(IEM_DENORMAL(x->x_old_peak)) - x->x_old_peak = 0.0f; - - if(x->x_cur_peak > x->x_old_peak) - x->x_old_peak = x->x_cur_peak; - if(x->x_old_peak <= 0.0000000001f) - db = -199.9f; - else if(x->x_old_peak > 1000000.0f) - { - db = 120.0f; - x->x_old_peak = 1000000.0f; - } - else - db = 8.6858896381f*log(x->x_old_peak); - if(db >= x->x_threshold_over) - { - x->x_overflow_counter++; - outlet_float(x->x_outlet_over, (t_float)x->x_overflow_counter); - } - outlet_float(x->x_outlet_meter, db); - x->x_cur_peak = 0.0f; - clock_delay(x->x_clock, x->x_metro_time); -} - -static void *sigpvu_new(t_floatarg metro_time, t_floatarg release_time, t_floatarg threshold) -{ - t_sigpvu *x; - float t; - - x = (t_sigpvu *)pd_new(sigpvu_class); - if(metro_time <= 0.0f) - metro_time = 300.0f; - if(metro_time <= 20.0f) - metro_time = 20.0f; - if(release_time <= 0.0f) - release_time = 300.0f; - if(release_time <= 20.0f) - release_time = 20.0f; - if(threshold == 0.0f) - threshold = -0.01f; - x->x_threshold_over = threshold; - x->x_overflow_counter = 0; - x->x_metro_time = (int)metro_time; - x->x_release_time = release_time; - x->x_c1 = exp(-(float)metro_time/(float)release_time); - x->x_cur_peak = 0.0f; - x->x_old_peak = 0.0f; - x->x_clock = clock_new(x, (t_method)sigpvu_tick); - x->x_outlet_meter = outlet_new(&x->x_obj, &s_float);/* left */ - x->x_outlet_over = outlet_new(&x->x_obj, &s_float); /* right */ - x->x_started = 1; - x->x_msi = 0; - return(x); -} - -static void sigpvu_ff(t_sigpvu *x) -{ - clock_free(x->x_clock); -} - -void sigpvu_setup(void ) -{ - sigpvu_class = class_new(gensym("pvu~"), (t_newmethod)sigpvu_new, - (t_method)sigpvu_ff, sizeof(t_sigpvu), 0, A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, 0); - CLASS_MAINSIGNALIN(sigpvu_class, t_sigpvu, x_msi); - class_addmethod(sigpvu_class, (t_method)sigpvu_dsp, gensym("dsp"), 0); - class_addfloat(sigpvu_class, sigpvu_float); - class_addmethod(sigpvu_class, (t_method)sigpvu_reset, gensym("reset"), 0); - class_addmethod(sigpvu_class, (t_method)sigpvu_start, gensym("start"), 0); - class_addmethod(sigpvu_class, (t_method)sigpvu_stop, gensym("stop"), 0); - class_addmethod(sigpvu_class, (t_method)sigpvu_t_release, gensym("t_release"), A_FLOAT, 0); - class_addmethod(sigpvu_class, (t_method)sigpvu_t_metro, gensym("t_metro"), A_FLOAT, 0); - class_addmethod(sigpvu_class, (t_method)sigpvu_threshold, gensym("threshold"), A_FLOAT, 0); - class_sethelpsymbol(sigpvu_class, gensym("iemhelp/help-pvu~")); -} diff --git a/src/iemlib1/sigrvu.c b/src/iemlib1/sigrvu.c deleted file mode 100644 index d579a3f..0000000 --- a/src/iemlib1/sigrvu.c +++ /dev/null @@ -1,187 +0,0 @@ -/* For information on usage and redistribution, and for a DISCLAIMER OF ALL -* WARRANTIES, see the file, "LICENSE.txt," in this distribution. - -iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */ - -#ifdef _MSC_VER -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include <math.h> -#include <stdio.h> -#include <string.h> - -/* ---------------- rvu~ - simple peak&rms-vu-meter. ----------------- */ - -typedef struct sigrvu -{ - t_object x_obj; - void *x_clock_metro; - int x_metro_time; - float x_sum_rms; - float x_old_rms; - float x_rcp; - float x_sr; - float x_release_time; - float x_c1; - int x_started; - float x_msi; -} t_sigrvu; - -t_class *sigrvu_class; -static void sigrvu_tick_metro(t_sigrvu *x); - -static void sigrvu_reset(t_sigrvu *x) -{ - outlet_float(x->x_obj.ob_outlet, -99.9f); - x->x_sum_rms = 0.0f; - x->x_old_rms = 0.0f; - clock_delay(x->x_clock_metro, x->x_metro_time); -} - -static void sigrvu_stop(t_sigrvu *x) -{ - clock_unset(x->x_clock_metro); - x->x_started = 0; -} - -static void sigrvu_start(t_sigrvu *x) -{ - clock_delay(x->x_clock_metro, x->x_metro_time); - x->x_started = 1; -} - -static void sigrvu_float(t_sigrvu *x, t_floatarg f) -{ - if(f == 0.0) - { - clock_unset(x->x_clock_metro); - x->x_started = 0; - } - else - { - clock_delay(x->x_clock_metro, x->x_metro_time); - x->x_started = 1; - } -} - -static void sigrvu_t_release(t_sigrvu *x, t_floatarg release_time) -{ - if(release_time <= 20.0f) - release_time = 20.0f; - x->x_release_time = release_time; - x->x_c1 = exp(-2.0*(float)x->x_metro_time/x->x_release_time); -} - -static void sigrvu_t_metro(t_sigrvu *x, t_floatarg metro_time) -{ - if(metro_time <= 20.0f) - metro_time = 20.0f; - x->x_metro_time = (int)metro_time; - x->x_c1 = exp(-2.0*(float)x->x_metro_time/x->x_release_time); - x->x_rcp = 1.0f/(x->x_sr*(float)x->x_metro_time); -} - -static t_int *sigrvu_perform(t_int *w) -{ - float *in = (float *)(w[1]); - t_sigrvu *x = (t_sigrvu *)(w[2]); - int n = (int)(w[3]); - float pow, sum=x->x_sum_rms; - int i; - - if(x->x_started) - { - for(i=0; i<n; i++) - { - sum += in[i]*in[i]; - } - x->x_sum_rms = sum; - } - return(w+4); -} - -static void sigrvu_dsp(t_sigrvu *x, t_signal **sp) -{ - x->x_sr = 0.001*(float)sp[0]->s_sr; - x->x_rcp = 1.0f/(x->x_sr*(float)x->x_metro_time); - dsp_add(sigrvu_perform, 3, sp[0]->s_vec, x, sp[0]->s_n); - clock_delay(x->x_clock_metro, x->x_metro_time); -} - -static void sigrvu_tick_metro(t_sigrvu *x) -{ - float dbr, cur_rms, c1=x->x_c1; - - cur_rms = (1.0f - c1)*x->x_sum_rms*x->x_rcp + c1*x->x_old_rms; - /* NAN protect */ - if(IEM_DENORMAL(cur_rms)) - cur_rms = 0.0f; - - if(cur_rms <= 0.0000000001f) - dbr = -99.9f; - else if(cur_rms > 1000000.0f) - { - dbr = 60.0f; - x->x_old_rms = 1000000.0f; - } - else - dbr = 4.3429448195f*log(cur_rms); - x->x_sum_rms = 0.0f; - x->x_old_rms = cur_rms; - outlet_float(x->x_obj.ob_outlet, dbr); - clock_delay(x->x_clock_metro, x->x_metro_time); -} - -static void sigrvu_ff(t_sigrvu *x) -{ - clock_free(x->x_clock_metro); -} - -static void *sigrvu_new(t_floatarg metro_time, t_floatarg release_time) -{ - t_sigrvu *x=(t_sigrvu *)pd_new(sigrvu_class); - float t; - int i; - - if(metro_time <= 0.0f) - metro_time = 300.0f; - if(metro_time <= 20.0f) - metro_time = 20.0f; - if(release_time <= 0.0f) - release_time = 300.0f; - if(release_time <= 20.0f) - release_time = 20.0f; - x->x_metro_time = (int)metro_time; - x->x_release_time = release_time; - x->x_c1 = exp(-2.0*(float)x->x_metro_time/x->x_release_time); - x->x_sum_rms = 0.0f; - x->x_old_rms = 0.0f; - x->x_sr = 44.1f; - x->x_rcp = 1.0f/(x->x_sr*(float)x->x_metro_time); - x->x_clock_metro = clock_new(x, (t_method)sigrvu_tick_metro); - x->x_started = 1; - outlet_new(&x->x_obj, &s_float); - x->x_msi = 0.0f; - return(x); -} - -void sigrvu_setup(void) -{ - sigrvu_class = class_new(gensym("rvu~"), (t_newmethod)sigrvu_new, - (t_method)sigrvu_ff, sizeof(t_sigrvu), 0, - A_DEFFLOAT, A_DEFFLOAT, 0); - CLASS_MAINSIGNALIN(sigrvu_class, t_sigrvu, x_msi); - class_addmethod(sigrvu_class, (t_method)sigrvu_dsp, gensym("dsp"), 0); - class_addfloat(sigrvu_class, sigrvu_float); - class_addmethod(sigrvu_class, (t_method)sigrvu_reset, gensym("reset"), 0); - class_addmethod(sigrvu_class, (t_method)sigrvu_start, gensym("start"), 0); - class_addmethod(sigrvu_class, (t_method)sigrvu_stop, gensym("stop"), 0); - class_addmethod(sigrvu_class, (t_method)sigrvu_t_release, gensym("t_release"), A_FLOAT, 0); - class_addmethod(sigrvu_class, (t_method)sigrvu_t_metro, gensym("t_metro"), A_FLOAT, 0); - class_sethelpsymbol(sigrvu_class, gensym("iemhelp/help-rvu~")); -} diff --git a/src/iemlib1/sigsin_phase.c b/src/iemlib1/sigsin_phase.c deleted file mode 100644 index 3f8e66e..0000000 --- a/src/iemlib1/sigsin_phase.c +++ /dev/null @@ -1,129 +0,0 @@ -/* For information on usage and redistribution, and for a DISCLAIMER OF ALL -* WARRANTIES, see the file, "LICENSE.txt," in this distribution. - -iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */ - -#ifdef _MSC_VER -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include <math.h> -#include <stdio.h> -#include <string.h> - - -/* --- sin_phase~ - output the phase-difference between 2 sinewaves in samples (sig) ---- */ - -typedef struct sigsin_phase -{ - t_object x_obj; - float x_prev1; - float x_prev2; - float x_cur_out; - int x_counter1; - int x_counter2; - int x_state1; - int x_state2; - float x_msi; -} t_sigsin_phase; - -t_class *sigsin_phase_class; - -static t_int *sigsin_phase_perform(t_int *w) -{ - float *in1 = (float *)(w[1]); - float *in2 = (float *)(w[2]); - float *out = (float *)(w[3]); - t_sigsin_phase *x = (t_sigsin_phase *)(w[4]); - int i, n = (t_int)(w[5]); - float prev1=x->x_prev1; - float prev2=x->x_prev2; - float cur_out=x->x_cur_out; - int counter1=x->x_counter1; - int counter2=x->x_counter2; - int state1=x->x_state1; - int state2=x->x_state2; - - for(i=0; i<n; i++) - { - if((in1[i] >= 0.0f) && (prev1 < 0.0f)) - { - state1 = 1; - counter1 = 0; - } - else if((in1[i] < 0.0f) && (prev1 >= 0.0f)) - { - state2 = 1; - counter2 = 0; - } - - if((in2[i] >= 0.0f) && (prev2 < 0.0f)) - { - state1 = 0; - cur_out = (float)(counter1); - counter1 = 0; - } - else if((in2[i] < 0.0f) && (prev2 >= 0.0f)) - { - state2 = 0; - cur_out = (float)(counter2); - counter2 = 0; - } - - if(state1) - counter1++; - if(state2) - counter2++; - - prev1 = in1[i]; - prev2 = in2[i]; - out[i] = cur_out; - } - - x->x_prev1 = prev1; - x->x_prev2 = prev2; - x->x_cur_out = cur_out; - x->x_counter1 = counter1; - x->x_counter2 = counter2; - x->x_state1 = state1; - x->x_state2 = state2; - - return(w+6); -} - -static void sigsin_phase_dsp(t_sigsin_phase *x, t_signal **sp) -{ - dsp_add(sigsin_phase_perform, 5, sp[0]->s_vec, sp[1]->s_vec, sp[2]->s_vec, x, sp[0]->s_n); -} - -static void *sigsin_phase_new(void) -{ - t_sigsin_phase *x = (t_sigsin_phase *)pd_new(sigsin_phase_class); - - inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal); - outlet_new(&x->x_obj, &s_signal); - - x->x_prev1 = 0.0f; - x->x_prev2 = 0.0f; - x->x_cur_out = 0.0f; - x->x_counter1 = 0; - x->x_counter2 = 0; - x->x_state1 = 0; - x->x_state2 = 0; - x->x_msi = 0; - - return (x); -} - -void sigsin_phase_setup(void) -{ - sigsin_phase_class = class_new(gensym("sin_phase~"), (t_newmethod)sigsin_phase_new, - 0, sizeof(t_sigsin_phase), 0, 0); - CLASS_MAINSIGNALIN(sigsin_phase_class, t_sigsin_phase, x_msi); - class_addmethod(sigsin_phase_class, (t_method)sigsin_phase_dsp, gensym("dsp"), 0); - class_sethelpsymbol(sigsin_phase_class, gensym("iemhelp/help-sin_phase~")); -} diff --git a/src/iemlib1/sigvcf_filter.c b/src/iemlib1/sigvcf_filter.c deleted file mode 100644 index 4283e9a..0000000 --- a/src/iemlib1/sigvcf_filter.c +++ /dev/null @@ -1,334 +0,0 @@ -/* For information on usage and redistribution, and for a DISCLAIMER OF ALL -* WARRANTIES, see the file, "LICENSE.txt," in this distribution. - -iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */ - -#ifdef _MSC_VER -#pragma warning( disable : 4244 ) -#pragma warning( disable : 4305 ) -#endif - - -#include "m_pd.h" -#include "iemlib.h" -#include <math.h> -#include <stdio.h> -#include <string.h> - -/* ---------- vcf_filter~ - slow dynamic vcf_filter 1. and 2. order ----------- */ - -typedef struct sigvcf_filter -{ - t_object x_obj; - float x_wn1; - float x_wn2; - float x_msi; - char x_filtname[6]; -} t_sigvcf_filter; - -t_class *sigvcf_filter_class; - -static t_int *sigvcf_filter_perform_snafu(t_int *w) -{ - float *in = (float *)(w[1]); - float *out = (float *)(w[4]); - int n = (t_int)(w[6]); - - while(n--) - *out++ = *in++; - return(w+7); -} - -/* -lp2 -wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2); -*out++ = rcp*(wn0 + 2.0f*wn1 + wn2); -wn2 = wn1; -wn1 = wn0; - - bp2 - wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2); - *out++ = rcp*al*(wn0 - wn2); - wn2 = wn1; - wn1 = wn0; - - rbp2 - wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2); - *out++ = rcp*l*(wn0 - wn2); - wn2 = wn1; - wn1 = wn0; - - hp2 - wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2); - *out++ = rcp*(wn0 - 2.0f*wn1 + wn2); - wn2 = wn1; - wn1 = wn0; - -*/ - -static t_int *sigvcf_filter_perform_lp2(t_int *w) -{ - float *in = (float *)(w[1]); - float *lp = (float *)(w[2]); - float *q = (float *)(w[3]); - float *out = (float *)(w[4]); - t_sigvcf_filter *x = (t_sigvcf_filter *)(w[5]); - int i, n = (t_int)(w[6]); - float wn0, wn1=x->x_wn1, wn2=x->x_wn2; - float l, al, l2, rcp; - - for(i=0; i<n; i+=4) - { - l = lp[i]; - if(q[i] < 0.000001) - al = 1000000.0*l; - else if(q[i] > 1000000.0) - al = 0.000001*l; - else - al = l/q[i]; - l2 = l*l + 1.0f; - rcp = 1.0f/(al + l2); - - wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2); - *out++ = rcp*(wn0 + 2.0f*wn1 + wn2); - wn2 = wn1; - wn1 = wn0; - - wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2); - *out++ = rcp*(wn0 + 2.0f*wn1 + wn2); - wn2 = wn1; - wn1 = wn0; - - wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2); - *out++ = rcp*(wn0 + 2.0f*wn1 + wn2); - wn2 = wn1; - wn1 = wn0; - - wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2); - *out++ = rcp*(wn0 + 2.0f*wn1 + wn2); - wn2 = wn1; - wn1 = wn0; - } - /* NAN protect */ - if(IEM_DENORMAL(wn2)) - wn2 = 0.0f; - if(IEM_DENORMAL(wn1)) - wn1 = 0.0f; - - x->x_wn1 = wn1; - x->x_wn2 = wn2; - return(w+7); -} - -static t_int *sigvcf_filter_perform_bp2(t_int *w) -{ - float *in = (float *)(w[1]); - float *lp = (float *)(w[2]); - float *q = (float *)(w[3]); - float *out = (float *)(w[4]); - t_sigvcf_filter *x = (t_sigvcf_filter *)(w[5]); - int i, n = (t_int)(w[6]); - float wn0, wn1=x->x_wn1, wn2=x->x_wn2; - float l, al, l2, rcp; - - for(i=0; i<n; i+=4) - { - l = lp[i]; - if(q[i] < 0.000001) - al = 1000000.0*l; - else if(q[i] > 1000000.0) - al = 0.000001*l; - else - al = l/q[i]; - l2 = l*l + 1.0f; - rcp = 1.0f/(al + l2); - - - wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2); - *out++ = rcp*al*(wn0 - wn2); - wn2 = wn1; - wn1 = wn0; - - wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2); - *out++ = rcp*al*(wn0 - wn2); - wn2 = wn1; - wn1 = wn0; - - wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2); - *out++ = rcp*al*(wn0 - wn2); - wn2 = wn1; - wn1 = wn0; - - wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2); - *out++ = rcp*al*(wn0 - wn2); - wn2 = wn1; - wn1 = wn0; - } - /* NAN protect */ - if(IEM_DENORMAL(wn2)) - wn2 = 0.0f; - if(IEM_DENORMAL(wn1)) - wn1 = 0.0f; - - x->x_wn1 = wn1; - x->x_wn2 = wn2; - return(w+7); -} - -static t_int *sigvcf_filter_perform_rbp2(t_int *w) -{ - float *in = (float *)(w[1]); - float *lp = (float *)(w[2]); - float *q = (float *)(w[3]); - float *out = (float *)(w[4]); - t_sigvcf_filter *x = (t_sigvcf_filter *)(w[5]); - int i, n = (t_int)(w[6]); - float wn0, wn1=x->x_wn1, wn2=x->x_wn2; - float al, l, l2, rcp; - - for(i=0; i<n; i+=4) - { - l = lp[i]; - if(q[i] < 0.000001) - al = 1000000.0*l; - else if(q[i] > 1000000.0) - al = 0.000001*l; - else - al = l/q[i]; - l2 = l*l + 1.0f; - rcp = 1.0f/(al + l2); - - - wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2); - *out++ = rcp*l*(wn0 - wn2); - wn2 = wn1; - wn1 = wn0; - - wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2); - *out++ = rcp*l*(wn0 - wn2); - wn2 = wn1; - wn1 = wn0; - - wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2); - *out++ = rcp*l*(wn0 - wn2); - wn2 = wn1; - wn1 = wn0; - - wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2); - *out++ = rcp*l*(wn0 - wn2); - wn2 = wn1; - wn1 = wn0; - } - /* NAN protect */ - if(IEM_DENORMAL(wn2)) - wn2 = 0.0f; - if(IEM_DENORMAL(wn1)) - wn1 = 0.0f; - - x->x_wn1 = wn1; - x->x_wn2 = wn2; - return(w+7); -} - -static t_int *sigvcf_filter_perform_hp2(t_int *w) -{ - float *in = (float *)(w[1]); - float *lp = (float *)(w[2]); - float *q = (float *)(w[3]); - float *out = (float *)(w[4]); - t_sigvcf_filter *x = (t_sigvcf_filter *)(w[5]); - int i, n = (t_int)(w[6]); - float wn0, wn1=x->x_wn1, wn2=x->x_wn2; - float l, al, l2, rcp, forw; - - for(i=0; i<n; i+=4) - { - l = lp[i]; - if(q[i] < 0.000001) - al = 1000000.0*l; - else if(q[i] > 1000000.0) - al = 0.000001*l; - else - al = l/q[i]; - l2 = l*l + 1.0f; - rcp = 1.0f/(al + l2); - forw = rcp * (l2 - 1.0f); - - wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2); - *out++ = forw*(wn0 - 2.0f*wn1 + wn2); - wn2 = wn1; - wn1 = wn0; - - wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2); - *out++ = forw*(wn0 - 2.0f*wn1 + wn2); - wn2 = wn1; - wn1 = wn0; - - wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2); - *out++ = forw*(wn0 - 2.0f*wn1 + wn2); - wn2 = wn1; - wn1 = wn0; - - wn0 = *in++ - rcp*(2.0f*(2.0f - l2)*wn1 + (l2 - al)*wn2); - *out++ = forw*(wn0 - 2.0f*wn1 + wn2); - wn2 = wn1; - wn1 = wn0; - } - /* NAN protect */ - if(IEM_DENORMAL(wn2)) - wn2 = 0.0f; - if(IEM_DENORMAL(wn1)) - wn1 = 0.0f; - - x->x_wn1 = wn1; - x->x_wn2 = wn2; - return(w+7); -} - -static void sigvcf_filter_dsp(t_sigvcf_filter *x, t_signal **sp) -{ - if(!strcmp(x->x_filtname,"bp2")) - dsp_add(sigvcf_filter_perform_bp2, 6, sp[0]->s_vec, sp[1]->s_vec, - sp[2]->s_vec, sp[3]->s_vec, x, sp[0]->s_n); - else if(!strcmp(x->x_filtname,"rbp2")) - dsp_add(sigvcf_filter_perform_rbp2, 6, sp[0]->s_vec, sp[1]->s_vec, - sp[2]->s_vec, sp[3]->s_vec, x, sp[0]->s_n); - else if(!strcmp(x->x_filtname,"lp2")) - dsp_add(sigvcf_filter_perform_lp2, 6, sp[0]->s_vec, sp[1]->s_vec, - sp[2]->s_vec, sp[3]->s_vec, x, sp[0]->s_n); - else if(!strcmp(x->x_filtname,"hp2")) - dsp_add(sigvcf_filter_perform_hp2, 6, sp[0]->s_vec, sp[1]->s_vec, - sp[2]->s_vec, sp[3]->s_vec, x, sp[0]->s_n); - else - { - dsp_add(sigvcf_filter_perform_snafu, 6, sp[0]->s_vec, sp[1]->s_vec, - sp[2]->s_vec, sp[3]->s_vec, x, sp[0]->s_n); - post("vcf_filter~-Error: 1. initial-arguments: <sym> kind: lp2, bp2, rbp2, hp2!"); - } -} - -static void *sigvcf_filter_new(t_symbol *filt_typ) -{ - t_sigvcf_filter *x = (t_sigvcf_filter *)pd_new(sigvcf_filter_class); - char *c; - - inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal); - inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal); - outlet_new(&x->x_obj, &s_signal); - x->x_msi = 0; - x->x_wn1 = 0.0; - x->x_wn2 = 0.0; - c = (char *)filt_typ->s_name; - c[5] = 0; - strcpy(x->x_filtname, c); - return(x); -} - -void sigvcf_filter_setup(void) -{ - sigvcf_filter_class = class_new(gensym("vcf_filter~"), (t_newmethod)sigvcf_filter_new, - 0, sizeof(t_sigvcf_filter), 0, A_DEFSYM, 0); - CLASS_MAINSIGNALIN(sigvcf_filter_class, t_sigvcf_filter, x_msi); - class_addmethod(sigvcf_filter_class, (t_method)sigvcf_filter_dsp, gensym("dsp"), 0); - class_sethelpsymbol(sigvcf_filter_class, gensym("iemhelp/help-vcf_filter~")); -} |