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authorHans-Christoph Steiner <eighthave@users.sourceforge.net>2010-08-19 05:04:28 +0000
committerHans-Christoph Steiner <eighthave@users.sourceforge.net>2010-08-19 05:04:28 +0000
commit79096fd626b946efd6947fa94ab15d30bf003ba0 (patch)
tree9a10305d0ade28bb3f5139c37ab8fa76f4e603d4 /framespect~/framespect~.c
parent633eaa4b2350c00ddc1b338c357096a441944784 (diff)
converted to new library template and debianized
svn path=/trunk/externals/ekext/; revision=13835
Diffstat (limited to 'framespect~/framespect~.c')
-rw-r--r--framespect~/framespect~.c111
1 files changed, 0 insertions, 111 deletions
diff --git a/framespect~/framespect~.c b/framespect~/framespect~.c
deleted file mode 100644
index add2a97..0000000
--- a/framespect~/framespect~.c
+++ /dev/null
@@ -1,111 +0,0 @@
-/*
- * framespect~ : Weighted alpha comparison, block-by-block.
- * Copyright (C) 2005 Edward Kelly <morph_2016@yahoo.co.uk>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include "m_pd.h"
-#include <math.h>
-
-static t_class *framespect_tilde_class;
-
-typedef struct _framespect_tilde
-{
- t_object x_obj;
- t_float f;
- t_float f_max, f_win, f_accum;
- t_outlet *f_score;
-} t_framespect_tilde;
-
-t_int *framespect_tilde_perform(t_int *w)
-{
- t_framespect_tilde *x = (t_framespect_tilde *)(w[1]);
- t_sample *real1 = (t_sample *)(w[2]);
- t_sample *imag1 = (t_sample *)(w[3]);
- t_sample *real2 = (t_sample *)(w[4]);
- t_sample *imag2 = (t_sample *)(w[5]);
- int n = (int)(w[6]);
- float r1, i1, r2, i2;
- float vector1;
- float vector2;
- x->f_accum = 0;
- float block_accum = 0;
- x->f_max = 0;
- float score = 0;
- float avg = 0;
- int block = n;
- x->f_win = x->f_win > 0 ? x->f_win : 0.01;
-
- while (n--)
- {
- r1 = (*real1++);
- i1 = (*imag1++);
- r2 = (*real2++);
- i2 = (*imag2++);
- vector1 = sqrt((r1 * r1) + (i1 * i1));
- vector2 = sqrt((r2 * r2) + (i2 * i2));
- vector1 = vector1 > 0 ? vector1 : 0 - vector1;
- vector2 = vector2 > 0 ? vector2 : 0 - vector2;
- block_accum += vector2;
- x->f_max = vector2 > x->f_max ? vector2 : x->f_max;
- float diff = vector1 > vector2 ? vector1 - vector2 : vector2 - vector1;
- x->f_accum += (1/((diff/x->f_win)+1)) * vector2;
- }
- score = x->f_accum / x->f_max;
- block_accum /= x->f_max;
- avg = score / block_accum;
- outlet_float(x->f_score, avg);
-
- return(w+7);
-}
-
-void framespect_tilde_dsp(t_framespect_tilde *x, t_signal **sp)
-{
- dsp_add(framespect_tilde_perform, 6, x,
- sp[0]->s_vec, sp[1]->s_vec, sp[2]->s_vec, sp[3]->s_vec, sp[0]->s_n);
-}
-
-void *framespect_tilde_new(t_floatarg f)
-{
- t_framespect_tilde *x = (t_framespect_tilde *)pd_new(framespect_tilde_class);
-
- x->f_win = f;
-
- 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);
- inlet_new (&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
- floatinlet_new (&x->x_obj, &x->f_win);
- x->f_score = outlet_new(&x->x_obj, gensym("float"));
-
- return (void *)x;
-}
-
-
-void framespect_tilde_setup(void)
-{
- framespect_tilde_class = class_new(gensym("framespect~"),
- (t_newmethod)framespect_tilde_new,
- 0, sizeof(t_framespect_tilde),
- CLASS_DEFAULT, A_DEFFLOAT, 0);
-
- post("|'''''''''''framespect~'''''''''''''|");
- post("|'''''weighted alpha comparison'''''|");
- post("|'''edward'''''''kelly'''''''2005'''|");
-
- class_addmethod(framespect_tilde_class, (t_method)framespect_tilde_dsp,
- gensym("dsp"), 0);
-
- CLASS_MAINSIGNALIN(framespect_tilde_class, t_framespect_tilde, f);
-}