From d6b088044e161a27d49df537bbb6d998a8d0e50d Mon Sep 17 00:00:00 2001 From: musil Date: Sat, 9 Dec 2006 02:00:52 +0000 Subject: // class_sethelpsymbol(); changed help-*.pd to *-help.pd chanded file structure to standard 1st step remove old svn path=/trunk/externals/iemlib/; revision=6756 --- src/iemlib1/prvu~.c | 274 ---------------------------------------------------- 1 file changed, 274 deletions(-) delete mode 100644 src/iemlib1/prvu~.c (limited to 'src/iemlib1/prvu~.c') diff --git a/src/iemlib1/prvu~.c b/src/iemlib1/prvu~.c deleted file mode 100644 index aed7c53..0000000 --- a/src/iemlib1/prvu~.c +++ /dev/null @@ -1,274 +0,0 @@ -/* For information on usage and redistribution, and for a DISCLAIMER OF ALL -* WARRANTIES, see the file, "LICENSE.txt," in this distribution. - -iemlib1 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2005 */ - -#include "m_pd.h" -#include "iemlib.h" -#include - -/* ---------------- prvu~ - simple peak&rms-vu-meter. ----------------- */ - -typedef struct _prvu_tilde -{ - t_object x_obj; - t_atom x_at[3]; - void *x_clock_metro; - t_float x_metro_time; - void *x_clock_hold; - t_float x_hold_time; - t_float x_cur_peak; - t_float x_old_peak; - t_float x_hold_peak; - int x_hold; - t_float x_sum_rms; - t_float x_old_rms; - t_float x_rcp; - t_float x_sr; - t_float x_threshold_over; - int x_overflow_counter; - t_float x_release_time; - t_float x_c1; - int x_started; - t_float x_msi; -} t_prvu_tilde; - -t_class *prvu_tilde_class; -static void prvu_tilde_tick_metro(t_prvu_tilde *x); -static void prvu_tilde_tick_hold(t_prvu_tilde *x); - -static void prvu_tilde_reset(t_prvu_tilde *x) -{ - x->x_at[0].a_w.w_float = -99.9f; - x->x_at[1].a_w.w_float = -99.9f; - x->x_at[2].a_w.w_float = 0.0f; - outlet_list(x->x_obj.ob_outlet, &s_list, 3, x->x_at); - x->x_overflow_counter = 0; - x->x_cur_peak = 0.0f; - x->x_old_peak = 0.0f; - x->x_hold_peak = 0.0f; - x->x_sum_rms = 0.0f; - x->x_old_rms = 0.0f; - x->x_hold = 0; - clock_unset(x->x_clock_hold); - clock_delay(x->x_clock_metro, x->x_metro_time); -} - -static void prvu_tilde_stop(t_prvu_tilde *x) -{ - clock_unset(x->x_clock_metro); - x->x_started = 0; -} - -static void prvu_tilde_start(t_prvu_tilde *x) -{ - clock_delay(x->x_clock_metro, x->x_metro_time); - x->x_started = 1; -} - -static void prvu_tilde_float(t_prvu_tilde *x, t_floatarg f) -{ - if(f == 0.0) - { - clock_unset(x->x_clock_metro); - x->x_started = 0; - } - else - { - clock_delay(x->x_clock_metro, x->x_metro_time); - x->x_started = 1; - } -} - -static void prvu_tilde_t_release(t_prvu_tilde *x, t_floatarg release_time) -{ - if(release_time <= 5.0f) - release_time = 5.0f; - x->x_release_time = release_time; - x->x_c1 = exp(-2.0f*x->x_metro_time/x->x_release_time); -} - -static void prvu_tilde_t_metro(t_prvu_tilde *x, t_floatarg metro_time) -{ - if(metro_time <= 5.0f) - metro_time = 5.0f; - x->x_metro_time = metro_time; - x->x_c1 = exp(-2.0f*x->x_metro_time/x->x_release_time); - x->x_rcp = 1.0f/(x->x_sr*(t_float)x->x_metro_time); -} - -static void prvu_tilde_t_hold(t_prvu_tilde *x, t_floatarg hold_time) -{ - if(hold_time <= 5.0f) - hold_time = 5.0f; - x->x_hold_time = hold_time; -} - -static void prvu_tilde_threshold(t_prvu_tilde *x, t_floatarg thresh) -{ - x->x_threshold_over = thresh; -} - -static t_int *prvu_tilde_perform(t_int *w) -{ - t_float *in = (t_float *)(w[1]); - t_prvu_tilde *x = (t_prvu_tilde *)(w[2]); - int n = (int)(w[3]); - t_float peak = x->x_cur_peak, power, sum=x->x_sum_rms; - int i; - - if(x->x_started) - { - for(i=0; i peak) - peak = power; - sum += power; - } - x->x_cur_peak = peak; - x->x_sum_rms = sum; - } - return(w+4); -} - -static void prvu_tilde_dsp(t_prvu_tilde *x, t_signal **sp) -{ - x->x_sr = 0.001*(t_float)sp[0]->s_sr; - x->x_rcp = 1.0f/(x->x_sr*x->x_metro_time); - dsp_add(prvu_tilde_perform, 3, sp[0]->s_vec, x, sp[0]->s_n); - clock_delay(x->x_clock_metro, x->x_metro_time); -} - -static void prvu_tilde_tick_hold(t_prvu_tilde *x) -{ - x->x_hold = 0; - x->x_hold_peak = x->x_old_peak; -} - -static void prvu_tilde_tick_metro(t_prvu_tilde *x) -{ - t_float dbr, dbp, cur_rms, c1=x->x_c1; - - x->x_old_peak *= c1; - /* NAN protect */ - if(IEM_DENORMAL(x->x_old_peak)) - x->x_old_peak = 0.0f; - - if(x->x_cur_peak > x->x_old_peak) - x->x_old_peak = x->x_cur_peak; - if(x->x_old_peak > x->x_hold_peak) - { - x->x_hold = 1; - x->x_hold_peak = x->x_old_peak; - clock_delay(x->x_clock_hold, x->x_hold_time); - } - if(!x->x_hold) - x->x_hold_peak = x->x_old_peak; - if(x->x_hold_peak <= 0.0000000001f) - dbp = -99.9f; - else if(x->x_hold_peak > 1000000.0f) - { - dbp = 60.0f; - x->x_hold_peak = 1000000.0f; - x->x_old_peak = 1000000.0f; - } - else - dbp = 4.3429448195f*log(x->x_hold_peak); - x->x_cur_peak = 0.0f; - if(dbp >= x->x_threshold_over) - x->x_overflow_counter++; - x->x_at[1].a_w.w_float = dbp; - x->x_at[2].a_w.w_float = (t_float)x->x_overflow_counter; - - cur_rms = (1.0f - c1)*x->x_sum_rms*x->x_rcp + c1*x->x_old_rms; - /* NAN protect */ - if(IEM_DENORMAL(cur_rms)) - cur_rms = 0.0f; - - if(cur_rms <= 0.0000000001f) - dbr = -99.9f; - else if(cur_rms > 1000000.0f) - { - dbr = 60.0f; - x->x_old_rms = 1000000.0f; - } - else - dbr = 4.3429448195f*log(cur_rms); - x->x_sum_rms = 0.0f; - x->x_old_rms = cur_rms; - x->x_at[0].a_w.w_float = dbr; - outlet_list(x->x_obj.ob_outlet, &s_list, 3, x->x_at); - clock_delay(x->x_clock_metro, x->x_metro_time); -} - -static void prvu_tilde_ff(t_prvu_tilde *x) -{ - clock_free(x->x_clock_metro); - clock_free(x->x_clock_hold); -} - -static void *prvu_tilde_new(t_floatarg metro_time, t_floatarg hold_time, - t_floatarg release_time, t_floatarg threshold) -{ - t_prvu_tilde *x; - t_float t; - int i; - - x = (t_prvu_tilde *)pd_new(prvu_tilde_class); - if(metro_time <= 0.0f) - metro_time = 300.0f; - if(metro_time <= 5.0f) - metro_time = 5.0f; - if(release_time <= 0.0f) - release_time = 300.0f; - if(release_time <= 5.0f) - release_time = 5.0f; - if(hold_time <= 0.0f) - hold_time = 1000.0f; - if(hold_time <= 5.0f) - hold_time = 5.0f; - if(threshold == 0.0f) - threshold = -0.01f; - x->x_metro_time = metro_time; - x->x_release_time = release_time; - x->x_hold_time = hold_time; - x->x_threshold_over = threshold; - x->x_c1 = exp(-2.0f*x->x_metro_time/x->x_release_time); - x->x_cur_peak = 0.0f; - x->x_old_peak = 0.0f; - x->x_hold_peak = 0.0f; - x->x_hold = 0; - x->x_sum_rms = 0.0f; - x->x_old_rms = 0.0f; - x->x_sr = 44.1f; - x->x_rcp = 1.0f/(x->x_sr*x->x_metro_time); - x->x_overflow_counter = 0; - x->x_clock_metro = clock_new(x, (t_method)prvu_tilde_tick_metro); - x->x_clock_hold = clock_new(x, (t_method)prvu_tilde_tick_hold); - x->x_started = 1; - outlet_new(&x->x_obj, &s_list); - x->x_at[0].a_type = A_FLOAT; - x->x_at[1].a_type = A_FLOAT; - x->x_at[2].a_type = A_FLOAT; - x->x_msi = 0.0f; - return(x); -} - -void prvu_tilde_setup(void) -{ - prvu_tilde_class = class_new(gensym("prvu~"), (t_newmethod)prvu_tilde_new, - (t_method)prvu_tilde_ff, sizeof(t_prvu_tilde), 0, - A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, 0); - CLASS_MAINSIGNALIN(prvu_tilde_class, t_prvu_tilde, x_msi); - class_addmethod(prvu_tilde_class, (t_method)prvu_tilde_dsp, gensym("dsp"), 0); - class_addfloat(prvu_tilde_class, prvu_tilde_float); - class_addmethod(prvu_tilde_class, (t_method)prvu_tilde_reset, gensym("reset"), 0); - class_addmethod(prvu_tilde_class, (t_method)prvu_tilde_start, gensym("start"), 0); - class_addmethod(prvu_tilde_class, (t_method)prvu_tilde_stop, gensym("stop"), 0); - class_addmethod(prvu_tilde_class, (t_method)prvu_tilde_t_release, gensym("t_release"), A_FLOAT, 0); - class_addmethod(prvu_tilde_class, (t_method)prvu_tilde_t_metro, gensym("t_metro"), A_FLOAT, 0); - class_addmethod(prvu_tilde_class, (t_method)prvu_tilde_t_hold, gensym("t_hold"), A_FLOAT, 0); - class_addmethod(prvu_tilde_class, (t_method)prvu_tilde_threshold, gensym("threshold"), A_FLOAT, 0); - class_sethelpsymbol(prvu_tilde_class, gensym("iemhelp/help-prvu~")); -} -- cgit v1.2.1