From c38056e5242f42c13130bac5ccdc14c86dc91814 Mon Sep 17 00:00:00 2001
From: musil <tmusil@users.sourceforge.net>
Date: Wed, 8 Nov 2006 13:46:14 +0000
Subject: changed sig*.c to *~.c

svn path=/trunk/externals/iemlib/; revision=6232
---
 src/iemlib1/sigpeakenv.c | 102 -----------------------------------------------
 1 file changed, 102 deletions(-)
 delete mode 100644 src/iemlib1/sigpeakenv.c

(limited to 'src/iemlib1/sigpeakenv.c')

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~"));
-}
-- 
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