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/*
* pack~: pack the signal-vector to a list of floats
*
* (c) 1999-2011 IOhannes m zmölnig, forum::für::umläute, institute of electronic music and acoustics (iem)
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "zexy.h"
static t_class *sigpack_class;
typedef struct _sigpack
{
t_object x_obj;
int vector_length;
t_atom *buffer;
t_clock*x_clock;
int x_outputindsp;
} t_sigpack;
static void sigpack_tick(t_sigpack*x)
{
outlet_list(x->x_obj.ob_outlet, gensym("list"), x->vector_length, x->buffer);
}
static t_int *sigpack_perform(t_int *w)
{
t_sample *in = (t_sample *)(w[1]);
t_sigpack *x = (t_sigpack *)w[2];
int n = (int)(w[3]), i = 0;
t_atom *buf = x->buffer;
while (n--) {
t_float f=*in++;
SETFLOAT(&buf[i], f);
i++;
}
if(x->x_outputindsp) {
sigpack_tick(x);
} else {
clock_delay(x->x_clock, 0);
}
return (w+4);
}
static void sigpack_dsp(t_sigpack *x, t_signal **sp)
{
if (x->vector_length != sp[0]->s_n) {
freebytes(x->buffer, x->vector_length * sizeof(t_atom));
x->vector_length = sp[0]->s_n;
x->buffer = (t_atom *)getbytes(x->vector_length * sizeof(t_atom));
}
dsp_add(sigpack_perform, 3, sp[0]->s_vec, x, sp[0]->s_n);
}
static void sigpack_free(t_sigpack*x)
{
clock_free(x->x_clock);
}
static void *sigpack_new(void)
{
t_sigpack *x = (t_sigpack *)pd_new(sigpack_class);
x->vector_length = 0;
x->buffer = 0;
outlet_new(&x->x_obj, gensym("list"));
x->x_clock=clock_new(x, (t_method)sigpack_tick);
x->x_outputindsp=0;
return (x);
}
static void sigpack_help(void)
{
post("pack~\t:: outputs the signal-vectors as float-packages");
}
void pack_tilde_setup(void)
{
sigpack_class = class_new(gensym("pack~"), (t_newmethod)sigpack_new, (t_method)sigpack_free,
sizeof(t_sigpack), 0, A_DEFFLOAT, 0);
class_addmethod(sigpack_class, nullfn, gensym("signal"), 0);
class_addmethod(sigpack_class, (t_method)sigpack_dsp, gensym("dsp"), 0);
class_addmethod(sigpack_class, (t_method)sigpack_help, gensym("help"), 0);
zexy_register("pack~");
}
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