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-rw-r--r--modules/pdp_aging.c380
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diff --git a/modules/pdp_aging.c b/modules/pdp_aging.c
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+++ b/modules/pdp_aging.c
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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 aging effect from effectv
+ * Originally written by Fukuchi Kentaro & others
+ * Pd-fication by Yves Degoyon
+ */
+
+
+
+#include "pdp.h"
+#include <math.h>
+
+static char *pdp_aging_version = "pdp_aging: version 0.1, port of aging from effectv( Fukuchi Kentaro ) adapted by Yves Degoyon (ydegoyon@free.fr)";
+
+#define PDP_AGING_MAX_SCRATCHES 100
+static unsigned int fastrand_val;
+#define inline_fastrand() (fastrand_val=fastrand_val*1103515245+12345)
+
+typedef struct _scratch
+{
+ t_int life;
+ t_int x;
+ t_int dx;
+ t_int init;
+} scratch;
+
+typedef struct pdp_aging_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_area_scale;
+ t_int x_nb_scratches;
+ t_int x_dust_interval;
+ t_int x_pits_interval;
+ scratch x_scratches[PDP_AGING_MAX_SCRATCHES];
+
+} t_pdp_aging;
+
+static void pdp_aging_area_scale(t_pdp_aging *x, t_floatarg fscale )
+{
+ if ( (int) fscale > 1 )
+ {
+ x->x_area_scale = (int)fscale;
+ }
+}
+
+static void pdp_aging_scratches(t_pdp_aging *x, t_floatarg fscratches )
+{
+ if ( ( (int)fscratches < PDP_AGING_MAX_SCRATCHES ) && ( (int)fscratches>=0) )
+ {
+ x->x_nb_scratches = (int)fscratches;
+ }
+}
+
+static void pdp_aging_coloraging(t_pdp_aging *x, short int *src, short int *dest)
+{
+ short int a, b;
+ int i;
+
+ for(i=0; i<x->x_vsize; i++)
+ {
+ a = *src++;
+ b = (a & 0xfcfc)>>2;
+ *dest++ = a - b + 0x1818 + ((inline_fastrand()>>8)&0x1010);
+ }
+ // set all to b&w
+ for(i=x->x_vsize; i<( x->x_vsize + (x->x_vsize>>1) ); i++)
+ {
+ *dest++ = 0;
+ }
+}
+
+static void pdp_aging_scratching(t_pdp_aging *x, short int *dest)
+{
+ int i, y, y1, y2;
+ short int *p, a, b;
+ const int width = x->x_vwidth;
+ const int height = x->x_vheight;
+
+ for(i=0; i<x->x_nb_scratches; i++)
+ {
+ if(x->x_scratches[i].life)
+ {
+ x->x_scratches[i].x = x->x_scratches[i].x + x->x_scratches[i].dx;
+ if(x->x_scratches[i].x < 0 || x->x_scratches[i].x > width*256)
+ {
+ x->x_scratches[i].life = 0;
+ break;
+ }
+ p = dest + (x->x_scratches[i].x>>8);
+ if(x->x_scratches[i].init)
+ {
+ y1 = x->x_scratches[i].init;
+ x->x_scratches[i].init = 0;
+ }
+ else
+ {
+ y1 = 0;
+ }
+ x->x_scratches[i].life--;
+ if(x->x_scratches[i].life)
+ {
+ y2 = height;
+ }
+ else
+ {
+ y2 = inline_fastrand() % height;
+ }
+ for(y=y1; y<y2; y++)
+ {
+ a = *p & 0xfeff;
+ a += 0x2020;
+ b = a & 0x10100;
+ *p = a | (b - (b>>8));
+ p += width;
+ }
+ }
+ else
+ {
+ if((inline_fastrand()&0xf0000000) == 0)
+ {
+ x->x_scratches[i].life = 2 + (inline_fastrand()>>27);
+ x->x_scratches[i].x = inline_fastrand() % (width * 256);
+ x->x_scratches[i].dx = ((int)inline_fastrand())>>23;
+ x->x_scratches[i].init = (inline_fastrand() % (height-1))+1;
+ }
+ }
+ }
+}
+
+static void pdp_aging_dusts(t_pdp_aging *x, short int *dest)
+{
+ int dx[8] = { 1, 1, 0, -1, -1, -1, 0, 1};
+ int dy[8] = { 0, -1, -1, -1, 0, 1, 1, 1};
+ int i, j;
+ int dnum;
+ int d, len;
+ int px, py;
+ const int width = x->x_vwidth;
+ const int height = x->x_vheight;
+
+ if(x->x_dust_interval == 0)
+ {
+ if((inline_fastrand()&0xf0000000) == 0) {
+ x->x_dust_interval = inline_fastrand()>>29;
+ }
+ return;
+ }
+
+ dnum = x->x_area_scale*4 + (inline_fastrand()>>27);
+ for(i=0; i<dnum; i++)
+ {
+ px = inline_fastrand()%width;
+ py = inline_fastrand()%height;
+ d = inline_fastrand()>>29;
+ len = inline_fastrand()%x->x_area_scale + 5;
+ for(j=0; j<len; j++) {
+ dest[py*width + px] = 0x1010;
+ py += dy[d];
+ px += dx[d];
+ if(px<0 || px>=width) break;
+ if(py<0 || py>=height) break;
+ d = (d + inline_fastrand()%3 - 1) & 7;
+ }
+ }
+ x->x_dust_interval--;
+}
+
+static void pdp_aging_pits(t_pdp_aging *x, short int *dest)
+{
+ int i, j;
+ int pnum, size, pnumscale;
+ int px, py;
+ const int width = x->x_vwidth;
+ const int height = x->x_vheight;
+
+ pnumscale = x->x_area_scale * 2;
+ if(x->x_pits_interval)
+ {
+ pnum = pnumscale + (inline_fastrand()%pnumscale);
+ x->x_pits_interval--;
+ }
+ else
+ {
+ pnum = inline_fastrand()%pnumscale;
+ if((inline_fastrand()&0xf8000000) == 0)
+ {
+ x->x_pits_interval = (inline_fastrand()>>28) + 20;
+ }
+ }
+ for(i=0; i<pnum; i++)
+ {
+ px = inline_fastrand()%(width-1);
+ py = inline_fastrand()%(height-1);
+ size = inline_fastrand()>>28;
+ for(j=0; j<size; j++)
+ {
+ px = px + inline_fastrand()%3-1;
+ py = py + inline_fastrand()%3-1;
+ if(px<0 || px>=width) break;
+ if(py<0 || py>=height) break;
+ dest[py*width + px] = 0xc0c0;
+ }
+ }
+}
+
+static void pdp_aging_process_yv12(t_pdp_aging *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 i;
+
+ unsigned int totalnbpixels;
+ unsigned int u_offset;
+ unsigned int v_offset;
+ unsigned int totnbpixels;
+ short int *poy, *pou, *pov, *pny, *pnu, *pnv;
+ int px, py;
+ int noy, pos, nox;
+ int *p;
+
+ x->x_vwidth = header->info.image.width;
+ x->x_vheight = header->info.image.height;
+ x->x_vsize = x->x_vwidth*x->x_vheight;
+
+ totalnbpixels = x->x_vsize;
+ 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;
+
+ pdp_aging_coloraging( x, data, newdata );
+ pdp_aging_scratching( x, newdata );
+ pdp_aging_pits( x, newdata );
+ if ( x->x_area_scale > 1 ) pdp_aging_dusts( x, newdata );
+
+ return;
+}
+
+static void pdp_aging_sendpacket(t_pdp_aging *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_aging_process(t_pdp_aging *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_aging_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_aging_process_yv12, pdp_aging_sendpacket, &x->x_queue_id);
+ break;
+
+ case PDP_IMAGE_GREY:
+ // pdp_aging_process_packet(x);
+ break;
+
+ default:
+ /* don't know the type, so dont pdp_aging_process */
+ break;
+
+ }
+ }
+
+}
+
+static void pdp_aging_input_0(t_pdp_aging *x, t_symbol *s, t_floatarg f)
+{
+ 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_aging_process(x);
+
+ }
+
+}
+
+static void pdp_aging_free(t_pdp_aging *x)
+{
+ int i;
+
+ pdp_queue_finish(x->x_queue_id);
+ pdp_packet_mark_unused(x->x_packet0);
+
+}
+
+t_class *pdp_aging_class;
+
+void *pdp_aging_new(void)
+{
+ int i;
+
+ t_pdp_aging *x = (t_pdp_aging *)pd_new(pdp_aging_class);
+ inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("area_scale"));
+ inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("scratches"));
+
+ 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_nb_scratches = 7;
+ x->x_area_scale=5;
+
+ return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_aging_setup(void)
+{
+// post( pdp_aging_version );
+ pdp_aging_class = class_new(gensym("pdp_aging"), (t_newmethod)pdp_aging_new,
+ (t_method)pdp_aging_free, sizeof(t_pdp_aging), 0, A_NULL);
+
+ class_addmethod(pdp_aging_class, (t_method)pdp_aging_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+ class_addmethod(pdp_aging_class, (t_method)pdp_aging_area_scale, gensym("area_scale"), A_FLOAT, A_NULL);
+ class_addmethod(pdp_aging_class, (t_method)pdp_aging_scratches, gensym("scratches"), A_FLOAT, A_NULL);
+
+}
+
+#ifdef __cplusplus
+}
+#endif
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