From c38056e5242f42c13130bac5ccdc14c86dc91814 Mon Sep 17 00:00:00 2001 From: musil Date: Wed, 8 Nov 2006 13:46:14 +0000 Subject: changed sig*.c to *~.c svn path=/trunk/externals/iemlib/; revision=6232 --- src/iemlib1/sigprvu.c | 282 -------------------------------------------------- 1 file changed, 282 deletions(-) delete mode 100644 src/iemlib1/sigprvu.c (limited to 'src/iemlib1/sigprvu.c') 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 -#include -#include - -/* ---------------- prvu~ - simple peak&rms-vu-meter. ----------------- */ - -typedef struct sigprvu -{ - t_object x_obj; - t_atom x_at[3]; - void *x_clock_metro; - int x_metro_time; - void *x_clock_hold; - int x_hold_time; - float x_cur_peak; - float x_old_peak; - float x_hold_peak; - int x_hold; - float x_sum_rms; - float x_old_rms; - float x_rcp; - float x_sr; - float x_threshold_over; - int x_overflow_counter; - float x_release_time; - float x_c1; - int x_started; - float x_msi; -} t_sigprvu; - -t_class *sigprvu_class; -static void sigprvu_tick_metro(t_sigprvu *x); -static void sigprvu_tick_hold(t_sigprvu *x); - -static void sigprvu_reset(t_sigprvu *x) -{ - x->x_at[0].a_w.w_float = -99.9f; - x->x_at[1].a_w.w_float = -99.9f; - x->x_at[2].a_w.w_float = 0.0f; - outlet_list(x->x_obj.ob_outlet, &s_list, 3, x->x_at); - x->x_overflow_counter = 0; - x->x_cur_peak = 0.0f; - x->x_old_peak = 0.0f; - x->x_hold_peak = 0.0f; - x->x_sum_rms = 0.0f; - x->x_old_rms = 0.0f; - x->x_hold = 0; - clock_unset(x->x_clock_hold); - clock_delay(x->x_clock_metro, x->x_metro_time); -} - -static void sigprvu_stop(t_sigprvu *x) -{ - clock_unset(x->x_clock_metro); - x->x_started = 0; -} - -static void sigprvu_start(t_sigprvu *x) -{ - clock_delay(x->x_clock_metro, x->x_metro_time); - x->x_started = 1; -} - -static void sigprvu_float(t_sigprvu *x, t_floatarg f) -{ - if(f == 0.0) - { - clock_unset(x->x_clock_metro); - x->x_started = 0; - } - else - { - clock_delay(x->x_clock_metro, x->x_metro_time); - x->x_started = 1; - } -} - -static void sigprvu_t_release(t_sigprvu *x, t_floatarg release_time) -{ - if(release_time <= 20.0f) - release_time = 20.0f; - x->x_release_time = release_time; - x->x_c1 = exp(-2.0*(float)x->x_metro_time/x->x_release_time); -} - -static void sigprvu_t_metro(t_sigprvu *x, t_floatarg metro_time) -{ - if(metro_time <= 20.0f) - metro_time = 20.0f; - x->x_metro_time = (int)metro_time; - x->x_c1 = exp(-2.0*(float)x->x_metro_time/x->x_release_time); - x->x_rcp = 1.0f/(x->x_sr*(float)x->x_metro_time); -} - -static void sigprvu_t_hold(t_sigprvu *x, t_floatarg hold_time) -{ - if(hold_time <= 20.0f) - hold_time = 20.0f; - x->x_hold_time = (int)hold_time; -} - -static void sigprvu_threshold(t_sigprvu *x, t_floatarg thresh) -{ - x->x_threshold_over = thresh; -} - -static t_int *sigprvu_perform(t_int *w) -{ - float *in = (float *)(w[1]); - t_sigprvu *x = (t_sigprvu *)(w[2]); - int n = (int)(w[3]); - float peak = x->x_cur_peak, pow, sum=x->x_sum_rms; - int i; - - if(x->x_started) - { - for(i=0; i peak) - peak = pow; - sum += pow; - } - x->x_cur_peak = peak; - x->x_sum_rms = sum; - } - return(w+4); -} - -static void sigprvu_dsp(t_sigprvu *x, t_signal **sp) -{ - x->x_sr = 0.001*(float)sp[0]->s_sr; - x->x_rcp = 1.0f/(x->x_sr*(float)x->x_metro_time); - dsp_add(sigprvu_perform, 3, sp[0]->s_vec, x, sp[0]->s_n); - clock_delay(x->x_clock_metro, x->x_metro_time); -} - -static void sigprvu_tick_hold(t_sigprvu *x) -{ - x->x_hold = 0; - x->x_hold_peak = x->x_old_peak; -} - -static void sigprvu_tick_metro(t_sigprvu *x) -{ - float dbr, dbp, cur_rms, c1=x->x_c1; - - x->x_old_peak *= c1; - /* NAN protect */ - if(IEM_DENORMAL(x->x_old_peak)) - x->x_old_peak = 0.0f; - - if(x->x_cur_peak > x->x_old_peak) - x->x_old_peak = x->x_cur_peak; - if(x->x_old_peak > x->x_hold_peak) - { - x->x_hold = 1; - x->x_hold_peak = x->x_old_peak; - clock_delay(x->x_clock_hold, x->x_hold_time); - } - if(!x->x_hold) - x->x_hold_peak = x->x_old_peak; - if(x->x_hold_peak <= 0.0000000001f) - dbp = -99.9f; - else if(x->x_hold_peak > 1000000.0f) - { - dbp = 60.0f; - x->x_hold_peak = 1000000.0f; - x->x_old_peak = 1000000.0f; - } - else - dbp = 4.3429448195f*log(x->x_hold_peak); - x->x_cur_peak = 0.0f; - if(dbp >= x->x_threshold_over) - x->x_overflow_counter++; - x->x_at[1].a_w.w_float = dbp; - x->x_at[2].a_w.w_float = (float)x->x_overflow_counter; - - cur_rms = (1.0f - c1)*x->x_sum_rms*x->x_rcp + c1*x->x_old_rms; - /* NAN protect */ - if(IEM_DENORMAL(cur_rms)) - cur_rms = 0.0f; - - if(cur_rms <= 0.0000000001f) - dbr = -99.9f; - else if(cur_rms > 1000000.0f) - { - dbr = 60.0f; - x->x_old_rms = 1000000.0f; - } - else - dbr = 4.3429448195f*log(cur_rms); - x->x_sum_rms = 0.0f; - x->x_old_rms = cur_rms; - x->x_at[0].a_w.w_float = dbr; - outlet_list(x->x_obj.ob_outlet, &s_list, 3, x->x_at); - clock_delay(x->x_clock_metro, x->x_metro_time); -} - -static void sigprvu_ff(t_sigprvu *x) -{ - clock_free(x->x_clock_metro); - clock_free(x->x_clock_hold); -} - -static void *sigprvu_new(t_floatarg metro_time, t_floatarg hold_time, - t_floatarg release_time, t_floatarg threshold) -{ - t_sigprvu *x; - float t; - int i; - - x = (t_sigprvu *)pd_new(sigprvu_class); - if(metro_time <= 0.0f) - metro_time = 300.0f; - if(metro_time <= 20.0f) - metro_time = 20.0f; - if(release_time <= 0.0f) - release_time = 300.0f; - if(release_time <= 20.0f) - release_time = 20.0f; - if(hold_time <= 0.0f) - hold_time = 1000.0f; - if(hold_time <= 20.0f) - hold_time = 20.0f; - if(threshold == 0.0f) - threshold = -0.01f; - x->x_metro_time = (int)metro_time; - x->x_release_time = release_time; - x->x_hold_time = (int)hold_time; - x->x_threshold_over = threshold; - x->x_c1 = exp(-2.0*(float)x->x_metro_time/x->x_release_time); - x->x_cur_peak = 0.0f; - x->x_old_peak = 0.0f; - x->x_hold_peak = 0.0f; - x->x_hold = 0; - x->x_sum_rms = 0.0f; - x->x_old_rms = 0.0f; - x->x_sr = 44.1f; - x->x_rcp = 1.0f/(x->x_sr*(float)x->x_metro_time); - x->x_overflow_counter = 0; - x->x_clock_metro = clock_new(x, (t_method)sigprvu_tick_metro); - x->x_clock_hold = clock_new(x, (t_method)sigprvu_tick_hold); - x->x_started = 1; - outlet_new(&x->x_obj, &s_list); - x->x_at[0].a_type = A_FLOAT; - x->x_at[1].a_type = A_FLOAT; - x->x_at[2].a_type = A_FLOAT; - x->x_msi = 0.0f; - return(x); -} - -void sigprvu_setup(void) -{ - sigprvu_class = class_new(gensym("prvu~"), (t_newmethod)sigprvu_new, - (t_method)sigprvu_ff, sizeof(t_sigprvu), 0, - A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, 0); - CLASS_MAINSIGNALIN(sigprvu_class, t_sigprvu, x_msi); - class_addmethod(sigprvu_class, (t_method)sigprvu_dsp, gensym("dsp"), 0); - class_addfloat(sigprvu_class, sigprvu_float); - class_addmethod(sigprvu_class, (t_method)sigprvu_reset, gensym("reset"), 0); - class_addmethod(sigprvu_class, (t_method)sigprvu_start, gensym("start"), 0); - class_addmethod(sigprvu_class, (t_method)sigprvu_stop, gensym("stop"), 0); - class_addmethod(sigprvu_class, (t_method)sigprvu_t_release, gensym("t_release"), A_FLOAT, 0); - class_addmethod(sigprvu_class, (t_method)sigprvu_t_metro, gensym("t_metro"), A_FLOAT, 0); - class_addmethod(sigprvu_class, (t_method)sigprvu_t_hold, gensym("t_hold"), A_FLOAT, 0); - class_addmethod(sigprvu_class, (t_method)sigprvu_threshold, gensym("threshold"), A_FLOAT, 0); - class_sethelpsymbol(sigprvu_class, gensym("iemhelp/help-prvu~")); -} -- cgit v1.2.1