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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/ead.c
parent2994949cca515f63fb82fa1d114ce07eb213220d (diff)
renamed files to match their class names
svn path=/trunk/externals/creb/; revision=5127
Diffstat (limited to 'modules/ead.c')
-rw-r--r--modules/ead.c158
1 files changed, 0 insertions, 158 deletions
diff --git a/modules/ead.c b/modules/ead.c
deleted file mode 100644
index 1fe09b7..0000000
--- a/modules/ead.c
+++ /dev/null
@@ -1,158 +0,0 @@
-/*
- * ead.c - exponential attack decay envelope
- * 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 "extlib_util.h"
-
-/* pointer to */
-t_class *ead_class;
-
-
-/* state data fpr attack/decay dsp plugin */
-typedef struct eadctl
-{
- t_float c_attack;
- t_float c_decay;
- t_float c_state;
- t_int c_target;
-} t_eadctl;
-
-
-/* object data structure */
-typedef struct ead
-{
- t_object x_obj;
- t_eadctl x_ctl;
-} t_ead;
-
-
-
-static void ead_attack(t_ead *x, t_floatarg f)
-{
- x->x_ctl.c_attack = milliseconds_2_one_minus_realpole(f);
-}
-
-static void ead_decay(t_ead *x, t_floatarg f)
-{
- x->x_ctl.c_decay = milliseconds_2_one_minus_realpole(f);
-}
-
-static void ead_start(t_ead *x)
-{
- /* reset state if necessary to prevent skipping */
-
- // always reset, seems to be safest
- //if (x->x_ctl.c_target == 1)
-
- x->x_ctl.c_state = 0.0f;
- x->x_ctl.c_target = 1;
-}
-
-
-/* dsp callback function, not a method */
-static t_int *ead_perform(t_int *w)
-{
-
- /* interprete arguments */
- t_float *out = (float *)(w[3]);
- t_eadctl *ctl = (t_eadctl *)(w[1]);
- t_float attack = ctl->c_attack;
- t_float decay = ctl->c_decay;
- t_float state = ctl->c_state;
- t_int n = (t_int)(w[2]);
-
- t_int i;
-
-
- /* A/D code */
-
- for (i = 0; i < n; i++){
- switch(ctl->c_target){
- case 1:
- /* attack phase */
- *out++ = state;
- state += attack*(1 - state);
- ctl->c_target = (state <= ENVELOPE_MAX);
- break;
- default:
- /* decay phase */
- *out++ = state;
- state -= decay*state;
- break;
- }
-
- }
-
- /* save state */
- ctl->c_state = IS_DENORMAL(state) ? 0 : state;
-
- return (w+4);
-}
-
-
-static void ead_dsp(t_ead *x, t_signal **sp)
-{
- dsp_add(ead_perform, 3, &x->x_ctl, sp[0]->s_n, sp[0]->s_vec);
-}
-
-/* destructor */
-static void ead_free(void)
-{
-
-}
-
-
-
-/* constructor */
-static void *ead_new(t_floatarg attack, t_floatarg decay, t_floatarg sustain, t_floatarg release)
-{
- /* create instance */
- t_ead *x = (t_ead *)pd_new(ead_class);
- /* create new inlets, convert incoming message float to attack/decay */
- inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("float"), gensym("attack"));
- inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("float"), gensym("decay"));
- /* create a dsp outlet */
- outlet_new(&x->x_obj, gensym("signal"));
-
- /* initialize */
- x->x_ctl.c_state = 0;
- x->x_ctl.c_target = 0;
- ead_attack(x, attack);
- ead_decay(x, decay);
-
- /* return instance */
- return (void *)x;
-}
-
-void ead_tilde_setup(void)
-{
- //post("ead~ v0.1");
-
- ead_class = class_new(gensym("ead~"), (t_newmethod)ead_new,
- (t_method)ead_free, sizeof(t_ead), 0, A_DEFFLOAT, A_DEFFLOAT, 0);
-
-
- class_addmethod(ead_class, (t_method)ead_start, gensym("start"), 0);
- class_addmethod(ead_class, (t_method)ead_start, gensym("bang"), 0);
- class_addmethod(ead_class, (t_method)ead_dsp, gensym("dsp"), 0);
- class_addmethod(ead_class, (t_method)ead_attack, gensym("attack"), A_FLOAT, 0);
- class_addmethod(ead_class, (t_method)ead_decay, gensym("decay"), A_FLOAT, 0);
-}
-