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/*
* Pure Data Packet module.
* Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
*
* 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 "pdp.h"
#include "pdp_imagebase.h"
typedef struct pdp_gain_struct
{
t_pdp_imagebase x_base;
void *x_gain;
} t_pdp_gain;
static void pdp_gain_process(t_pdp_gain *x)
{
int p = pdp_base_get_packet(x, 0);
u32 mask = pdp_imagebase_get_chanmask(x);
pdp_packet_image_set_chanmask(p, mask);
pdp_imageproc_dispatch_1buf(&pdp_imageproc_gain_process, x->x_gain, 0, p);
}
static void pdp_gain_gain(t_pdp_gain *x, t_floatarg f)
{
pdp_imageproc_gain_setgain(x->x_gain, f);
}
t_class *pdp_gain_class;
void pdp_gain_free(t_pdp_gain *x)
{
pdp_imagebase_free(x);
pdp_imageproc_gain_delete(x->x_gain);
}
void *pdp_gain_new(t_floatarg f)
{
t_pdp_gain *x = (t_pdp_gain *)pd_new(pdp_gain_class);
/* super init */
pdp_imagebase_init(x);
/* no arg, or zero -> gain = 1 */
if (f==0.0f) f = 1.0f;
/* io */
pdp_base_add_gen_inlet(x, gensym("float"), gensym("gain"));
pdp_base_add_pdp_outlet(x);
/* callbacks */
pdp_base_set_process_method(x, (t_pdp_method)pdp_gain_process);
x->x_gain = pdp_imageproc_gain_new();
pdp_gain_gain(x, f);
return (void *)x;
}
#ifdef __cplusplus
extern "C"
{
#endif
void pdp_gain_setup(void)
{
pdp_gain_class = class_new(gensym("pdp_gain"), (t_newmethod)pdp_gain_new,
(t_method)pdp_gain_free, sizeof(t_pdp_gain), 0, A_DEFFLOAT, A_NULL);
pdp_imagebase_setup(pdp_gain_class);
class_addmethod(pdp_gain_class, (t_method)pdp_gain_gain, gensym("gain"), A_DEFFLOAT, A_NULL);
}
#ifdef __cplusplus
}
#endif
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