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/*
* 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 warp effect from effectv
* Originally written by Fukuchi Kentaro & others
* Pd-fication by Yves Degoyon
*/
#include "pdp.h"
#include <math.h>
#define DEFAULT_PLANES 16
#define DEFAULT_TOLERANCE 5
static int fastrand_val=0;
#define inline_fastrand() (fastrand_val=fastrand_val*1103515245+12345)
static char *pdp_noquark_version = "pdp_noquark: version 0.1, port of quark from effectv( Fukuchi Kentaro ) adapted by Yves Degoyon (ydegoyon@free.fr)";
static char* the_wave_table = NULL;
typedef struct pdp_noquark_struct
{
t_object x_obj;
t_float x_f;
t_outlet *x_outlet0;
int x_packet0;
int x_packet1;
int x_dropped;
int x_queue_id;
int x_vwidth;
int x_vheight;
int x_vsize;
short int *x_buffer;
short int **x_planetable;
int x_plane;
int x_planes;
int x_tolerance;
} t_pdp_noquark;
static void pdp_noquark_free_ressources(t_pdp_noquark *x)
{
if ( x->x_buffer ) free ( x->x_buffer );
if ( x->x_planetable ) free ( x->x_planetable );
}
static void pdp_noquark_allocate(t_pdp_noquark *x)
{
int i;
// allocate space for the frame buffers. A lot of memory is required -
// with the default settings, it totals nearly 5 megs.
x->x_buffer = (short int *) getbytes ( ( ( x->x_vsize + ( x->x_vsize>>1 ) ) << 1 ) * 2 * x->x_planes);
x->x_planetable = (short int**) getbytes( x->x_planes*sizeof( short int* ) );
// set up the array of pointers to the frame buffers
for(i=0;i<x->x_planes;i++)
{
x->x_planetable[i] = &x->x_buffer[ ( ( x->x_vsize + ( x->x_vsize>>1 ) ) << 1 ) * i];
}
if ( !x->x_buffer )
{
post( "pdp_noquark : severe error : cannot allocate buffers !!! ");
return;
}
}
static void pdp_noquark_planes(t_pdp_noquark *x, t_floatarg fplanes)
{
if ( ( (int)fplanes > 1 ) && ( (int)fplanes < 100 ) )
{
pdp_noquark_free_ressources(x);
x->x_planes = (int) fplanes;
x->x_plane=x->x_planes-1;
pdp_noquark_allocate(x);
}
}
static void pdp_noquark_tolerance(t_pdp_noquark *x, t_floatarg ftolerance)
{
if ( (int)ftolerance > 1 )
{
x->x_tolerance = (int) ftolerance;
}
}
static void pdp_noquark_process_yv12(t_pdp_noquark *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);
int px, py, cf, diff, rx, ry;
/* allocate all ressources */
if ( (int)(header->info.image.width*header->info.image.height) != x->x_vsize )
{
pdp_noquark_free_ressources(x);
x->x_vwidth = header->info.image.width;
x->x_vheight = header->info.image.height;
x->x_vsize = x->x_vwidth*x->x_vheight;
x->x_plane = x->x_planes-1;
pdp_noquark_allocate(x);
post( "pdp_noquark : reallocated buffers" );
}
newheader->info.image.encoding = header->info.image.encoding;
newheader->info.image.width = x->x_vwidth;
newheader->info.image.height = x->x_vheight;
memcpy(x->x_planetable[x->x_plane], data, (x->x_vsize + (x->x_vsize>>1))<<1 );
for(py=0; py<x->x_vheight; py++)
{
for(px=0; px<x->x_vwidth; px++)
{
cf = (x->x_plane + (inline_fastrand()>>24))&(x->x_planes-1);
diff = (((x->x_planetable[cf])[py*x->x_vwidth+px] - data[py*x->x_vwidth+px])>>7) +
((((x->x_planetable[cf])[x->x_vsize+((py>>1)*(x->x_vwidth>>1)+(px>>1))] -
data[x->x_vsize+((py>>1)*(x->x_vwidth>>1)+(px>>1))] )>>8)) +
((((x->x_planetable[cf])[x->x_vsize+(x->x_vsize>>2)+((py>>1)*(x->x_vwidth>>1)+(px>>1))] -
data[x->x_vsize+(x->x_vsize>>2)+((py>>1)*(x->x_vwidth>>1)+(px>>1))] )>>8));
if ( abs ( diff ) > x->x_tolerance )
{
newdata[py*x->x_vwidth+px] = data[py*x->x_vwidth+px];
newdata[x->x_vsize+((py>>1)*(x->x_vwidth>>1)+(px>>1))] = data[x->x_vsize+((py>>1)*(x->x_vwidth>>1)+(px>>1))];
newdata[x->x_vsize+(x->x_vsize>>2)+((py>>1)*(x->x_vwidth>>1)+(px>>1))] =
data[x->x_vsize+(x->x_vsize>>2)+((py>>1)*(x->x_vwidth>>1)+(px>>1))];
}
else
{
rx = inline_fastrand()&x->x_vwidth;
ry = inline_fastrand()&x->x_vheight;
newdata[py*x->x_vwidth+px] = data[ry*x->x_vwidth+rx];
newdata[x->x_vsize+((py>>1)*(x->x_vwidth>>1)+(px>>1))] =
data[x->x_vsize+((ry>>1)*(x->x_vwidth>>1)+(rx>>1))];
newdata[x->x_vsize+(x->x_vsize>>2)+((py>>1)*(x->x_vwidth>>1)+(px>>1))] =
data[x->x_vsize+(x->x_vsize>>2)+((ry>>1)*(x->x_vwidth>>1)+(rx>>1))];
}
/* The reason why I use high order 8 bits is written in utils.c
(or, 'man rand') */
}
}
x->x_plane--;
if ( x->x_plane < 0 ) x->x_plane = x->x_planes-1;
return;
}
static void pdp_noquark_sendpacket(t_pdp_noquark *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_noquark_process(t_pdp_noquark *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_noquark_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_noquark_process_yv12, pdp_noquark_sendpacket, &x->x_queue_id);
break;
case PDP_IMAGE_GREY:
// should write something to handle these one day
// but i don't use this mode
break;
default:
/* don't know the type, so dont pdp_noquark_process */
break;
}
}
}
static void pdp_noquark_input_0(t_pdp_noquark *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_noquark_process(x);
}
}
static void pdp_noquark_free(t_pdp_noquark *x)
{
int i;
pdp_queue_finish(x->x_queue_id);
pdp_packet_mark_unused(x->x_packet0);
pdp_noquark_free_ressources(x);
}
t_class *pdp_noquark_class;
void *pdp_noquark_new(void)
{
int i;
t_pdp_noquark *x = (t_pdp_noquark *)pd_new(pdp_noquark_class);
inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("planes"));
inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("tolerance"));
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_planes = DEFAULT_PLANES;
x->x_tolerance = DEFAULT_TOLERANCE;
x->x_buffer = NULL;
return (void *)x;
}
#ifdef __cplusplus
extern "C"
{
#endif
void pdp_noquark_setup(void)
{
// post( pdp_noquark_version );
pdp_noquark_class = class_new(gensym("pdp_noquark"), (t_newmethod)pdp_noquark_new,
(t_method)pdp_noquark_free, sizeof(t_pdp_noquark), 0, A_NULL);
class_addmethod(pdp_noquark_class, (t_method)pdp_noquark_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL);
class_addmethod(pdp_noquark_class, (t_method)pdp_noquark_planes, gensym("planes"), A_DEFFLOAT, A_NULL);
class_addmethod(pdp_noquark_class, (t_method)pdp_noquark_tolerance, gensym("tolerance"), A_DEFFLOAT, A_NULL);
}
#ifdef __cplusplus
}
#endif
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