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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"
typedef struct pdp_gain_struct
{
t_object x_obj;
t_float x_f;
t_outlet *x_outlet0;
int x_packet0;
int x_dropped;
int x_queue_id;
void *x_gain_y;
void *x_gain_v;
void *x_gain_u;
} t_pdp_gain;
static void pdp_gain_process_yv12(t_pdp_gain *x)
{
t_pdp *header0 = pdp_packet_header(x->x_packet0);
void *data0 = pdp_packet_data (x->x_packet0);
unsigned int w = header0->info.image.width;
unsigned int h = header0->info.image.height;
short int * idata = (short int *)data0;
unsigned int size = w*h;
pdp_imageproc_gain_process(x->x_gain_y, idata, w, h);
pdp_imageproc_gain_process(x->x_gain_u, idata + size, w>>1, h>>1);
pdp_imageproc_gain_process(x->x_gain_v, idata + size + (size>>2) , w>>1, h>>1);
return;
}
static void pdp_gain_process_grey(t_pdp_gain *x)
{
t_pdp *header0 = pdp_packet_header(x->x_packet0);
void *data0 = pdp_packet_data (x->x_packet0);
unsigned int w = header0->info.image.width;
unsigned int h = header0->info.image.height;
unsigned int size = w*h;
short int * idata = (short int *)data0;
pdp_imageproc_gain_process(x->x_gain_y, idata, w, h);
return;
}
static void pdp_gain_process(t_pdp_gain *x)
{
t_pdp *header0 = pdp_packet_header(x->x_packet0);
/* check data packets */
if ((header0) && (PDP_IMAGE == header0->type)){
/* pdp_gain_process inputs and write into active inlet */
switch(header0->info.image.encoding){
case PDP_IMAGE_YV12:
pdp_gain_process_yv12(x);
break;
case PDP_IMAGE_GREY:
pdp_gain_process_grey(x);
break;
default:
break;
/* don't know the type, so dont process */
}
}
}
static void pdp_gain_sendpacket(t_pdp_gain *x)
{
/* unregister and propagate if valid packet */
pdp_pass_if_valid(x->x_outlet0, &x->x_packet0);
}
static void pdp_gain_input_0(t_pdp_gain *x, t_symbol *s, t_floatarg f)
{
int p = (int)f;
int passes, i;
if (s== gensym("register_rw")) x->x_dropped = pdp_packet_copy_rw_or_drop(&x->x_packet0, p);
if ((s == gensym("process")) && (-1 != x->x_packet0) && (!x->x_dropped)){
/* add the process method and callback to the process queue */
pdp_queue_add(x, pdp_gain_process, pdp_gain_sendpacket, &x->x_queue_id);
}
}
static void pdp_gain_gainy(t_pdp_gain *x, t_floatarg f)
{
pdp_imageproc_gain_setgain(x->x_gain_y, f);
}
static void pdp_gain_gainv(t_pdp_gain *x, t_floatarg f)
{
pdp_imageproc_gain_setgain(x->x_gain_v, f);
}
static void pdp_gain_gainu(t_pdp_gain *x, t_floatarg f)
{
pdp_imageproc_gain_setgain(x->x_gain_u, f);
}
static void pdp_gain_gain(t_pdp_gain *x, t_floatarg f)
{
pdp_gain_gainy(x, f);
pdp_gain_gainv(x, f);
pdp_gain_gainu(x, f);
}
t_class *pdp_gain_class;
void pdp_gain_free(t_pdp_gain *x)
{
pdp_queue_finish(x->x_queue_id);
pdp_imageproc_gain_delete(x->x_gain_y);
pdp_imageproc_gain_delete(x->x_gain_u);
pdp_imageproc_gain_delete(x->x_gain_v);
}
void *pdp_gain_new(t_floatarg f)
{
t_pdp_gain *x = (t_pdp_gain *)pd_new(pdp_gain_class);
/* no arg, or zero -> gain = 1 */
if (f==0.0f) f = 1.0f;
inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("float"), gensym("gain"));
x->x_outlet0 = outlet_new(&x->x_obj, &s_anything);
x->x_packet0 = -1;
x->x_queue_id = -1;
x->x_gain_y = pdp_imageproc_gain_new();
x->x_gain_u = pdp_imageproc_gain_new();
x->x_gain_v = 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);
class_addmethod(pdp_gain_class, (t_method)pdp_gain_gain, gensym("gain"), A_DEFFLOAT, A_NULL);
class_addmethod(pdp_gain_class, (t_method)pdp_gain_gainy, gensym("y"), A_DEFFLOAT, A_NULL);
class_addmethod(pdp_gain_class, (t_method)pdp_gain_gainu, gensym("v"), A_DEFFLOAT, A_NULL);
class_addmethod(pdp_gain_class, (t_method)pdp_gain_gainv, gensym("u"), A_DEFFLOAT, A_NULL);
class_addmethod(pdp_gain_class, (t_method)pdp_gain_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL);
}
#ifdef __cplusplus
}
#endif
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