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/pvu~.c | 198 ----------------------------------------------------- 1 file changed, 198 deletions(-) delete mode 100644 src/iemlib1/pvu~.c (limited to 'src/iemlib1/pvu~.c') diff --git a/src/iemlib1/pvu~.c b/src/iemlib1/pvu~.c deleted file mode 100644 index 66e9437..0000000 --- a/src/iemlib1/pvu~.c +++ /dev/null @@ -1,198 +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 - -/* ---------------- pvu~ - simple peak-vu-meter. ----------------- */ - -typedef struct _pvu_tilde -{ - t_object x_obj; - void *x_outlet_meter; - void *x_outlet_over; - void *x_clock; - t_float x_cur_peak; - t_float x_old_peak; - t_float x_threshold_over; - t_float x_c1; - t_float x_metro_time; - t_float x_release_time; - int x_overflow_counter; - int x_started; - t_float x_msi; -} t_pvu_tilde; - -t_class *pvu_tilde_class; -static void pvu_tilde_tick(t_pvu_tilde *x); - -static void pvu_tilde_reset(t_pvu_tilde *x) -{ - outlet_float(x->x_outlet_over, 0.0f); - outlet_float(x->x_outlet_meter, -199.9f); - 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 pvu_tilde_stop(t_pvu_tilde *x) -{ - clock_unset(x->x_clock); - x->x_started = 0; -} - -static void pvu_tilde_start(t_pvu_tilde *x) -{ - clock_delay(x->x_clock, x->x_metro_time); - x->x_started = 1; -} - -static void pvu_tilde_float(t_pvu_tilde *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 pvu_tilde_t_release(t_pvu_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(-x->x_metro_time/release_time); -} - -static void pvu_tilde_t_metro(t_pvu_tilde *x, t_floatarg metro_time) -{ - if(metro_time <= 5.0f) - metro_time = 5.0f; - x->x_metro_time = (int)metro_time; - x->x_c1 = exp(-metro_time/x->x_release_time); -} - -static void pvu_tilde_threshold(t_pvu_tilde *x, t_floatarg thresh) -{ - x->x_threshold_over = thresh; -} - -static t_int *pvu_tilde_perform(t_int *w) -{ - t_float *in = (t_float *)(w[1]); - t_pvu_tilde *x = (t_pvu_tilde *)(w[2]); - int n = (int)(w[3]); - t_float peak = x->x_cur_peak; - t_float absolute; - int i; - - if(x->x_started) - { - for(i=0; i peak) - peak = absolute; - } - x->x_cur_peak = peak; - } - return(w+4); -} - -static void pvu_tilde_dsp(t_pvu_tilde *x, t_signal **sp) -{ - dsp_add(pvu_tilde_perform, 3, sp[0]->s_vec, x, sp[0]->s_n); - clock_delay(x->x_clock, x->x_metro_time); -} - -static void pvu_tilde_tick(t_pvu_tilde *x) -{ - t_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 *pvu_tilde_new(t_floatarg metro_time, t_floatarg release_time, t_floatarg threshold) -{ - t_pvu_tilde *x; - t_float t; - - x = (t_pvu_tilde *)pd_new(pvu_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(threshold == 0.0f) - threshold = -0.01f; - x->x_threshold_over = threshold; - x->x_overflow_counter = 0; - x->x_metro_time = metro_time; - x->x_release_time = release_time; - x->x_c1 = exp(-metro_time/release_time); - x->x_cur_peak = 0.0f; - x->x_old_peak = 0.0f; - x->x_clock = clock_new(x, (t_method)pvu_tilde_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 pvu_tilde_ff(t_pvu_tilde *x) -{ - clock_free(x->x_clock); -} - -void pvu_tilde_setup(void ) -{ - pvu_tilde_class = class_new(gensym("pvu~"), (t_newmethod)pvu_tilde_new, - (t_method)pvu_tilde_ff, sizeof(t_pvu_tilde), 0, A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, 0); - CLASS_MAINSIGNALIN(pvu_tilde_class, t_pvu_tilde, x_msi); - class_addmethod(pvu_tilde_class, (t_method)pvu_tilde_dsp, gensym("dsp"), 0); - class_addfloat(pvu_tilde_class, pvu_tilde_float); - class_addmethod(pvu_tilde_class, (t_method)pvu_tilde_reset, gensym("reset"), 0); - class_addmethod(pvu_tilde_class, (t_method)pvu_tilde_start, gensym("start"), 0); - class_addmethod(pvu_tilde_class, (t_method)pvu_tilde_stop, gensym("stop"), 0); - class_addmethod(pvu_tilde_class, (t_method)pvu_tilde_t_release, gensym("t_release"), A_FLOAT, 0); - class_addmethod(pvu_tilde_class, (t_method)pvu_tilde_t_metro, gensym("t_metro"), A_FLOAT, 0); - class_addmethod(pvu_tilde_class, (t_method)pvu_tilde_threshold, gensym("threshold"), A_FLOAT, 0); - class_sethelpsymbol(pvu_tilde_class, gensym("iemhelp/help-pvu~")); -} -- cgit v1.2.1