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authorHans-Christoph Steiner <eighthave@users.sourceforge.net>2006-05-25 16:40:19 +0000
committerHans-Christoph Steiner <eighthave@users.sourceforge.net>2006-05-25 16:40:19 +0000
commitd962ed33f6b5fe3040cfbd798f63ab9aa36d1f9e (patch)
treef700234efa8d57c28ce9be56e0db5f6526921fbe /modules/blocknorm.c
parent2994949cca515f63fb82fa1d114ce07eb213220d (diff)
renamed files to match their class names
svn path=/trunk/externals/creb/; revision=5127
Diffstat (limited to 'modules/blocknorm.c')
-rw-r--r--modules/blocknorm.c129
1 files changed, 0 insertions, 129 deletions
diff --git a/modules/blocknorm.c b/modules/blocknorm.c
deleted file mode 100644
index bcf695a..0000000
--- a/modules/blocknorm.c
+++ /dev/null
@@ -1,129 +0,0 @@
-/*
- * blocknorm.c - normalize an array of dsp blocks (for spectral processing)
- * Copyright (c) 2000-2003 by Tom Schouten
- *
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include "m_pd.h"
-#include <math.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <math.h>
-
-#define MAXCHANNELS 32
-
-typedef struct blocknormctl
-{
- t_int c_channels;
- t_float **c_input;
- t_float **c_output;
-} t_blocknormctl;
-
-typedef struct blocknorm
-{
- t_object x_obj;
- t_float x_f;
- t_blocknormctl x_ctl;
-} t_blocknorm;
-
-
-static t_int *blocknorm_perform(t_int *word)
-{
-
- t_blocknormctl *ctl = (t_blocknormctl *)(word[1]);
- t_int n = (t_int)(word[2]);
- t_float **in = ctl->c_input;
- t_float **out = ctl->c_output;
- t_int c = ctl->c_channels;
- t_int i,j;
-
- t_float p = 0.0f;
- t_float x, s;
-
- /* get power */
- for (j=0;j<c;j++){
- for (i=0;i<n;i++){
- x = in[j][i];
- p += x*x;
- }
- }
-
- /* compute normalization */
- if (p == 0.0f) s = 1.0f;
- else s =sqrt(((float)(c * n)) / p);
-
- /* normalize */
- for (j=0;j<c;j++){
- for (i=0;i<n;i++){
- out[j][i] *= s;
- }
- }
-
-
-
- return (word+3);
-}
-
-
-
-static void blocknorm_dsp(t_blocknorm *x, t_signal **sp)
-{
-
- int i;
- int c = x->x_ctl.c_channels;
- for (i=0;i<c;i++){
- x->x_ctl.c_input[i] = sp[i]->s_vec;
- x->x_ctl.c_output[i] = sp[c+i]->s_vec;
- }
- dsp_add(blocknorm_perform, 2, &x->x_ctl, sp[0]->s_n);
-}
-
-
-static void blocknorm_free(t_blocknorm *x)
-{
- free (x->x_ctl.c_output);
- free (x->x_ctl.c_input);
-}
-
-t_class *blocknorm_class;
-
-static void *blocknorm_new(t_floatarg channels)
-{
- int i = (int)channels;
- int j;
- t_blocknorm *x = (t_blocknorm *)pd_new(blocknorm_class);
-
- if (i<1) i = 1;
- if (i>MAXCHANNELS) i = MAXCHANNELS;
- x->x_ctl.c_channels = i;
- x->x_ctl.c_input = malloc(sizeof(float)*i);
- x->x_ctl.c_output = malloc(sizeof(float)*i);
-
- j = i;
- while (--j) inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("signal"), gensym("signal"));
- while (i--) outlet_new(&x->x_obj, gensym("signal"));
-
- return (void *)x;
-}
-
-void blocknorm_tilde_setup(void)
-{
- blocknorm_class = class_new(gensym("blocknorm~"), (t_newmethod)blocknorm_new,
- (t_method)blocknorm_free, sizeof(t_blocknorm), 0, A_DEFFLOAT, 0);
- CLASS_MAINSIGNALIN(blocknorm_class, t_blocknorm, x_f);
- class_addmethod(blocknorm_class, (t_method)blocknorm_dsp, gensym("dsp"), 0);
-}
-