/*
* PiDiP module.
* Copyright (c) by Yves Degoyon (ydegoyon@free.fr)
*
* 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.
*
*/
/* This object is an adaptation of 1d effect from effectv
* but i found it funnier to rename it as underwatch
* Originally written by Fukuchi Kentaro & others
* Pd-fication by Yves Degoyon
*/
#include "pdp.h"
#include <math.h>
static char *pdp_underwatch_version = "pdp_underwatch: version 0.1, inspired by 1d from effectv( Fukuchi Kentaro ) adapted by Yves Degoyon (ydegoyon@free.fr)";
typedef struct pdp_underwatch_struct
{
t_object x_obj;
t_float x_f;
t_outlet *x_outlet0;
t_int x_packet0;
t_int x_packet1;
t_int x_dropped;
t_int x_queue_id;
t_int x_vwidth;
t_int x_vheight;
t_int x_vsize;
t_int x_line;
t_int x_sline;
t_int x_sheight;
t_int x_prevline;
t_int x_prevsline;
t_int x_prevsheight;
t_int x_stripsize;
} t_pdp_underwatch;
static void pdp_underwatch_setparams(t_pdp_underwatch *x)
{
int snext;
x->x_sline = x->x_line;
snext = (x->x_line + 1);
x->x_sheight = snext - x->x_sline;
}
static void pdp_underwatch_process_yv12(t_pdp_underwatch *x)
{
t_pdp *header = pdp_packet_header(x->x_packet0);
short int *data = (short int *)pdp_packet_data(x->x_packet0);
t_pdp *newheader = pdp_packet_header(x->x_packet1);
short int *newdata = (short int *)pdp_packet_data(x->x_packet1);
short int *p=0, *po=0, *pu=0, *pv=0, *pou=0, *pov=0;
int i;
unsigned int u_offset;
unsigned int v_offset;
unsigned int totnbpixels;
int px, py, pd, t;
x->x_vwidth = header->info.image.width;
x->x_vheight = header->info.image.height;
x->x_vsize = x->x_vwidth*x->x_vheight;
u_offset = x->x_vsize;
v_offset = x->x_vsize + (x->x_vsize>>2);
totnbpixels = x->x_vsize + (x->x_vsize>>1);
newheader->info.image.encoding = header->info.image.encoding;
newheader->info.image.width = x->x_vwidth;
newheader->info.image.height = x->x_vheight;
/* copy region */
for (pd=0; pd<x->x_stripsize; pd++ )
{
p = newdata+x->x_vwidth*x->x_sline;
pu = newdata+((x->x_vwidth*x->x_sline)>>2)+x->x_vsize;
pv = newdata+((x->x_vwidth*x->x_sline)>>2)+x->x_vsize+(x->x_vsize>>2);
po = data+x->x_vwidth*x->x_line;
pou = data+((x->x_vwidth*x->x_line)>>2)+x->x_vsize;
pov = data+((x->x_vwidth*x->x_line)>>2)+x->x_vsize+(x->x_vsize>>2);
// post("INIT : pov=%x limit=%x", pov, data+x->x_vsize+(x->x_vsize>>1) );
for(py=0; py<=x->x_sheight; py++)
{
for(px=0; px<x->x_vwidth; px++)
{
if( po < data+x->x_vsize+(x->x_vsize>>1) ) *p = *po;
if( pou < data+x->x_vsize+(x->x_vsize>>1) ) *(pu) = *(pou);
if( pov < data+x->x_vsize+(x->x_vsize>>1) ) *(pv) = *(pov);
p++;
po++;
if ( ((px+1)%2==0) && ((py+1)%2==0) ) { pu++; pv++; pou++; pov++; };
}
}
x->x_prevline = x->x_line;
x->x_prevsline = x->x_sline;
x->x_prevsheight = x->x_sheight;
x->x_line=(x->x_line+1)%(x->x_vheight);
pdp_underwatch_setparams(x);
//p = newdata + x->x_vwidth * x->x_sline+1;
//for(px=0; px<x->x_vwidth; px++)
//{
// p[px] = 0xff00;
//}
}
return;
}
static void pdp_underwatch_sendpacket(t_pdp_underwatch *x)
{
/* release the packet */
pdp_packet_mark_unused(x->x_packet0);
x->x_packet0 = -1;
/* unregister and propagate if valid dest packet */
pdp_packet_pass_if_valid(x->x_outlet0, &x->x_packet1);
}
static void pdp_underwatch_process(t_pdp_underwatch *x)
{
int encoding;
t_pdp *header = 0;
/* check if image data packets are compatible */
if ( (header = pdp_packet_header(x->x_packet0))
&& (PDP_IMAGE == header->type)){
/* pdp_underwatch_process inputs and write into active inlet */
switch(pdp_packet_header(x->x_packet0)->info.image.encoding){
case PDP_IMAGE_YV12:
x->x_packet1 = pdp_packet_clone_rw(x->x_packet0);
pdp_queue_add(x, pdp_underwatch_process_yv12, pdp_underwatch_sendpacket, &x->x_queue_id);
break;
case PDP_IMAGE_GREY:
// pdp_underwatch_process_packet(x);
break;
default:
/* don't know the type, so dont pdp_underwatch_process */
break;
}
}
}
static void pdp_underwatch_stripsize(t_pdp_underwatch *x, t_floatarg fstripsize )
{
if ( fstripsize>0 && fstripsize<x->x_vheight )
{
x->x_stripsize = (int)fstripsize;
}
}
static void pdp_underwatch_input_0(t_pdp_underwatch *x, t_symbol *s, t_floatarg f)
{
/* if this is a register_ro message or register_rw message, register with packet factory */
if (s== gensym("register_rw"))
x->x_dropped = pdp_packet_convert_ro_or_drop(&x->x_packet0, (int)f, pdp_gensym("image/YCrCb/*") );
if ((s == gensym("process")) && (-1 != x->x_packet0) && (!x->x_dropped))
{
/* add the process method and callback to the process queue */
pdp_underwatch_process(x);
}
}
static void pdp_underwatch_free(t_pdp_underwatch *x)
{
int i;
pdp_queue_finish(x->x_queue_id);
pdp_packet_mark_unused(x->x_packet0);
}
t_class *pdp_underwatch_class;
void *pdp_underwatch_new(void)
{
int i;
t_pdp_underwatch *x = (t_pdp_underwatch *)pd_new(pdp_underwatch_class);
inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("stripsize"));
x->x_outlet0 = outlet_new(&x->x_obj, &s_anything);
x->x_packet0 = -1;
x->x_packet1 = -1;
x->x_queue_id = -1;
x->x_line = 0;
pdp_underwatch_setparams(x);
x->x_prevline = 0;
x->x_prevsline = 0;
x->x_prevsheight = 0;
x->x_stripsize = 10;
return (void *)x;
}
#ifdef __cplusplus
extern "C"
{
#endif
void pdp_underwatch_setup(void)
{
// post( pdp_underwatch_version );
pdp_underwatch_class = class_new(gensym("pdp_underwatch"), (t_newmethod)pdp_underwatch_new,
(t_method)pdp_underwatch_free, sizeof(t_pdp_underwatch), 0, A_NULL);
class_addmethod(pdp_underwatch_class, (t_method)pdp_underwatch_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL);
class_addmethod(pdp_underwatch_class, (t_method)pdp_underwatch_stripsize, gensym("stripsize"), A_FLOAT, A_NULL);
class_sethelpsymbol( pdp_underwatch_class, gensym("pdp_underwatch.pd") );
}
#ifdef __cplusplus
}
#endif