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authorN.N. <sevyves@users.sourceforge.net>2003-09-17 19:58:59 +0000
committerN.N. <sevyves@users.sourceforge.net>2003-09-17 19:58:59 +0000
commitd45a65e66ed9fd7f90ab621e00efe07989a7fa0b (patch)
tree9c3abdf0c8862b397e5cbdc18de987682948d41f /modules
parent169ab82f7a1b5fe2634737ad471d40a2bd90621f (diff)
New in PiDiP 0.12.6
svn path=/trunk/externals/pidip/; revision=993
Diffstat (limited to 'modules')
-rw-r--r--modules/pdp_cache.c606
1 files changed, 606 insertions, 0 deletions
diff --git a/modules/pdp_cache.c b/modules/pdp_cache.c
new file mode 100644
index 0000000..a2460e2
--- /dev/null
+++ b/modules/pdp_cache.c
@@ -0,0 +1,606 @@
+/*
+ * 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 hides tringular zones from a video stream
+ * It is useful to make some collages ( see collage.pd patch )
+ */
+
+#include "pdp.h"
+#include "yuv.h"
+#include <math.h>
+#include <ctype.h>
+
+#define MAX_ZONES 20
+
+static char *pdp_cache_version = "pdp_cache: version 0.1 : video cache object written by ydegoyon@free.fr ";
+
+typedef struct _triangle
+{
+ t_int used;
+ t_int x1, y1;
+ t_int x2, y2;
+ t_int x3, y3;
+ t_float a1, b1;
+ t_float a2, b2;
+ t_float a3, b3;
+} t_triangle;
+
+typedef struct pdp_cache_struct
+{
+ t_object x_obj;
+ t_float x_f;
+
+ t_int x_packet0;
+ t_int x_packet1;
+ t_int x_dropped;
+ t_int x_queue_id;
+
+ t_outlet *x_outlet0;
+ t_int x_vwidth;
+ t_int x_vheight;
+ t_int x_vsize;
+
+ t_triangle x_hiddenzones[ MAX_ZONES ]; // hide these parts of the image
+ unsigned char *x_mask;
+
+} t_pdp_cache;
+
+static t_int pdp_cache_isinzone(t_pdp_cache *x, t_int px, t_int py, t_int index)
+{
+ t_int c1=0, c2=0, c3=0;
+
+ if ( !x->x_hiddenzones[index].used )
+ {
+ return 0;
+ }
+ if ( px < x->x_hiddenzones[index].x1 )
+ {
+ return 0;
+ }
+ if ( px > x->x_hiddenzones[index].x3 )
+ {
+ return 0;
+ }
+ if ( py < x->x_hiddenzones[index].y1 &&
+ py < x->x_hiddenzones[index].y2 &&
+ py < x->x_hiddenzones[index].y3 )
+ {
+ return 0;
+ }
+ if ( py > x->x_hiddenzones[index].y1 &&
+ py > x->x_hiddenzones[index].y2 &&
+ py > x->x_hiddenzones[index].y3 )
+ {
+ return 0;
+ }
+ if ( ( ( x->x_hiddenzones[index].x2 - x->x_hiddenzones[index].x1 ) == 0 ) &&
+ ( px >= x->x_hiddenzones[index].x1 ) )
+ {
+ c1 = 1;
+ }
+ else
+ {
+ if ( x->x_hiddenzones[index].a1 == 0 )
+ {
+ if ( ( x->x_hiddenzones[index].y3 >= x->x_hiddenzones[index].y1 ) &&
+ ( py >= x->x_hiddenzones[index].y1 ))
+ {
+ c1 = 1;
+ }
+ if ( ( x->x_hiddenzones[index].y3 <= x->x_hiddenzones[index].y1 ) &&
+ ( py <= x->x_hiddenzones[index].y1 ))
+ {
+ c1 = 1;
+ }
+ }
+ else
+ {
+ if ( ( ( (float) py ) - ( x->x_hiddenzones[index].a1*((float)px)+ x->x_hiddenzones[index].b1 ) )*
+ ( ( (float) x->x_hiddenzones[index].y3 ) -
+ ( x->x_hiddenzones[index].a1*((float)x->x_hiddenzones[index].x3)+
+ x->x_hiddenzones[index].b1 ) ) >= 0.0 )
+ {
+ c1 = 1;
+ }
+ }
+ }
+ if ( ( ( x->x_hiddenzones[index].x3 - x->x_hiddenzones[index].x2 ) == 0 ) &&
+ ( px <= x->x_hiddenzones[index].x2 ) )
+ {
+ c2 = 1;
+ }
+ else
+ {
+ if ( x->x_hiddenzones[index].a2 == 0 )
+ {
+ if ( ( x->x_hiddenzones[index].y1 >= x->x_hiddenzones[index].y2 ) &&
+ ( py >= x->x_hiddenzones[index].y2 ))
+ {
+ c2 = 1;
+ }
+ if ( ( x->x_hiddenzones[index].y1 <= x->x_hiddenzones[index].y2 ) &&
+ ( py <= x->x_hiddenzones[index].y2 ))
+ {
+ c2 = 1;
+ }
+ }
+ else
+ {
+ if ( ( ( (float) py ) - ( x->x_hiddenzones[index].a2*((float)px)+ x->x_hiddenzones[index].b2 ) )*
+ ( ( (float) x->x_hiddenzones[index].y1 ) -
+ ( x->x_hiddenzones[index].a2*((float)x->x_hiddenzones[index].x1)+
+ x->x_hiddenzones[index].b2 ) ) >= 0.0 )
+ {
+ c2 = 1;
+ }
+ }
+ }
+ if ( ( ( x->x_hiddenzones[index].x3 - x->x_hiddenzones[index].x1 ) == 0 ) &&
+ ( px >= x->x_hiddenzones[index].x1 ) )
+ {
+ c3 = 1;
+ }
+ else
+ {
+ if ( x->x_hiddenzones[index].a3 == 0 )
+ {
+ if ( ( x->x_hiddenzones[index].y2 >= x->x_hiddenzones[index].y1 ) &&
+ ( py >= x->x_hiddenzones[index].y1 ))
+ {
+ c3 = 1;
+ }
+ if ( ( x->x_hiddenzones[index].y2 <= x->x_hiddenzones[index].y1 ) &&
+ ( py <= x->x_hiddenzones[index].y1 ))
+ {
+ c3 = 1;
+ }
+ }
+ else
+ {
+ if ( ( ( (float) py ) - ( x->x_hiddenzones[index].a3*((float)px)+ x->x_hiddenzones[index].b3 ) )*
+ ( ( (float) x->x_hiddenzones[index].y2 ) -
+ ( x->x_hiddenzones[index].a3*((float)x->x_hiddenzones[index].x2)+
+ x->x_hiddenzones[index].b3 ) ) >= 0.0 )
+ {
+ c3 = 1;
+ }
+ }
+ }
+
+ return c1 && c2 && c3;
+}
+
+static t_int pdp_cache_ishidden(t_pdp_cache *x, t_int px, t_int py)
+{
+ t_int ti;
+
+ for ( ti=0; ti<MAX_ZONES; ti++ )
+ {
+ if ( x->x_hiddenzones[ti].used )
+ {
+ if ( pdp_cache_isinzone( x, px, py, ti ) )
+ {
+ return 1;
+ }
+ }
+ }
+ return 0;
+}
+
+static void pdp_cache_free_ressources(t_pdp_cache *x )
+{
+ if ( x->x_mask != NULL )
+ {
+ freebytes( x->x_mask, x->x_vsize );
+ }
+}
+
+static void pdp_cache_allocate(t_pdp_cache *x )
+{
+ x->x_mask = (unsigned char*)getbytes( x->x_vsize );
+}
+
+static void pdp_cache_update_mask(t_pdp_cache *x )
+{
+ t_int px, py;
+
+ for ( py=0; py<x->x_vheight; py++ )
+ {
+ for ( px=0; px<x->x_vwidth; px++ )
+ {
+ *(x->x_mask+py*x->x_vwidth+px) = (unsigned char) pdp_cache_ishidden( x, px, py );
+ }
+ }
+}
+
+static void pdp_cache_hide(t_pdp_cache *x, t_symbol *s, int argc, t_atom *argv)
+{
+ t_int ti;
+ t_float fx1, fy1, fx2, fy2, fx3, fy3;
+
+ if ( argc != 6 )
+ {
+ post( "pdp_cache : hide : wrong number of arguments : %d", argc );
+ return;
+ }
+ if ( argv[0].a_type != A_FLOAT || argv[1].a_type != A_FLOAT || argv[2].a_type != A_FLOAT ||
+ argv[3].a_type != A_FLOAT || argv[4].a_type != A_FLOAT || argv[5].a_type != A_FLOAT ) {
+ post( "pdp_cache : hide : wrong arguments" );
+ return;
+ }
+
+ fx1 = argv[0].a_w.w_float;
+ fy1 = argv[1].a_w.w_float;
+ fx2 = argv[2].a_w.w_float;
+ fy2 = argv[3].a_w.w_float;
+ fx3 = argv[4].a_w.w_float;
+ fy3 = argv[5].a_w.w_float;
+
+ if ( ( (int)fx1 >= 0 ) && ( (int)fx1 < x->x_vwidth ) &&
+ ( (int)fx2 >= 0 ) && ( (int)fx2 < x->x_vwidth ) &&
+ ( (int)fx3 >= 0 ) && ( (int)fx3 < x->x_vwidth ) &&
+ ( (int)fy1 >= 0 ) && ( (int)fy1 < x->x_vheight ) &&
+ ( (int)fy2 >= 0 ) && ( (int)fy2 < x->x_vheight ) &&
+ ( (int)fy3 >= 0 ) && ( (int)fy3 < x->x_vheight ) )
+ {
+ post( "pdp_cache : hide : coordinates : %d %d %d %d %d %d",
+ (int)fx1, (int)fy1, (int)fx2, (int)fy2, (int)fx3, (int)fy3 );
+ for ( ti=0; ti<MAX_ZONES; ti++ )
+ {
+ if ( !x->x_hiddenzones[ti].used )
+ {
+ x->x_hiddenzones[ti].used = 1;
+ if ( (int) fx1 < (int) fx2 )
+ {
+ if ( (int) fx2 < (int) fx3 )
+ {
+ x->x_hiddenzones[ti].x1 = (int) fx1;
+ x->x_hiddenzones[ti].y1 = (int) fy1;
+ x->x_hiddenzones[ti].x2 = (int) fx2;
+ x->x_hiddenzones[ti].y2 = (int) fy2;
+ x->x_hiddenzones[ti].x3 = (int) fx3;
+ x->x_hiddenzones[ti].y3 = (int) fy3;
+ }
+ else
+ {
+ if ( (int) fx3 < (int) fx1 )
+ {
+ x->x_hiddenzones[ti].x1 = (int) fx3;
+ x->x_hiddenzones[ti].y1 = (int) fy3;
+ x->x_hiddenzones[ti].x2 = (int) fx1;
+ x->x_hiddenzones[ti].y2 = (int) fy1;
+ x->x_hiddenzones[ti].x3 = (int) fx2;
+ x->x_hiddenzones[ti].y3 = (int) fy2;
+ }
+ else
+ {
+ x->x_hiddenzones[ti].x1 = (int) fx1;
+ x->x_hiddenzones[ti].y1 = (int) fy1;
+ x->x_hiddenzones[ti].x2 = (int) fx3;
+ x->x_hiddenzones[ti].y2 = (int) fy3;
+ x->x_hiddenzones[ti].x3 = (int) fx2;
+ x->x_hiddenzones[ti].y3 = (int) fy2;
+ }
+ }
+ }
+ else
+ {
+ if ( (int) fx2 < (int) fx3 )
+ {
+ if ( (int) fx3 < (int) fx1 )
+ {
+ x->x_hiddenzones[ti].x1 = (int) fx2;
+ x->x_hiddenzones[ti].y1 = (int) fy2;
+ x->x_hiddenzones[ti].x2 = (int) fx3;
+ x->x_hiddenzones[ti].y2 = (int) fy3;
+ x->x_hiddenzones[ti].x3 = (int) fx1;
+ x->x_hiddenzones[ti].y3 = (int) fy1;
+ }
+ else
+ {
+ x->x_hiddenzones[ti].x1 = (int) fx2;
+ x->x_hiddenzones[ti].y1 = (int) fy2;
+ x->x_hiddenzones[ti].x2 = (int) fx1;
+ x->x_hiddenzones[ti].y2 = (int) fy1;
+ x->x_hiddenzones[ti].x3 = (int) fx3;
+ x->x_hiddenzones[ti].y3 = (int) fy3;
+ }
+ }
+ else
+ {
+ x->x_hiddenzones[ti].x1 = (int) fx3;
+ x->x_hiddenzones[ti].y1 = (int) fy3;
+ x->x_hiddenzones[ti].x2 = (int) fx2;
+ x->x_hiddenzones[ti].y2 = (int) fy2;
+ x->x_hiddenzones[ti].x3 = (int) fx1;
+ x->x_hiddenzones[ti].y3 = (int) fy1;
+ }
+ }
+ post( "pdp_cache : hiding : [%d,%d]/[%d,%d]/[%d,%d], ",
+ x->x_hiddenzones[ti].x1, x->x_hiddenzones[ti].y1,
+ x->x_hiddenzones[ti].x2, x->x_hiddenzones[ti].y2,
+ x->x_hiddenzones[ti].x3, x->x_hiddenzones[ti].y3 );
+ if ( (x->x_hiddenzones[ti].x2-x->x_hiddenzones[ti].x1) != 0 )
+ {
+ x->x_hiddenzones[ti].a1 =
+ ( ( (float) x->x_hiddenzones[ti].y2 ) - ( (float) x->x_hiddenzones[ti].y1 ) ) /
+ ( ( (float) x->x_hiddenzones[ti].x2 ) - ( (float) x->x_hiddenzones[ti].x1 ) );
+ x->x_hiddenzones[ti].b1 =
+ ( ( (float) x->x_hiddenzones[ti].y1 )*( (float) x->x_hiddenzones[ti].x2 ) -
+ ( (float) x->x_hiddenzones[ti].y2 )*( (float) x->x_hiddenzones[ti].x1 ) ) /
+ ( ( (float) x->x_hiddenzones[ti].x2 ) - ( (float) x->x_hiddenzones[ti].x1 ) );
+ }
+ if ( (x->x_hiddenzones[ti].x2-x->x_hiddenzones[ti].x3) != 0 )
+ {
+ x->x_hiddenzones[ti].a2 =
+ ( ( (float) x->x_hiddenzones[ti].y3 ) - ( (float) x->x_hiddenzones[ti].y2 ) ) /
+ ( ( (float) x->x_hiddenzones[ti].x3 ) - ( (float) x->x_hiddenzones[ti].x2 ) );
+ x->x_hiddenzones[ti].b2 =
+ ( ( (float) x->x_hiddenzones[ti].y3 )*( (float) x->x_hiddenzones[ti].x2 ) -
+ ( (float) x->x_hiddenzones[ti].y2 )*( (float) x->x_hiddenzones[ti].x3 ) ) /
+ ( ( (float) x->x_hiddenzones[ti].x2 ) - ( (float) x->x_hiddenzones[ti].x3 ) );
+ }
+ if ( (x->x_hiddenzones[ti].x3-x->x_hiddenzones[ti].x1) != 0 )
+ {
+ x->x_hiddenzones[ti].a3 =
+ ( ( (float) x->x_hiddenzones[ti].y3 ) - ( (float) x->x_hiddenzones[ti].y1 ) ) /
+ ( ( (float) x->x_hiddenzones[ti].x3 ) - ( (float) x->x_hiddenzones[ti].x1 ) );
+ x->x_hiddenzones[ti].b3 =
+ ( ( (float) x->x_hiddenzones[ti].y1 )*( (float) x->x_hiddenzones[ti].x3 ) -
+ ( (float) x->x_hiddenzones[ti].y3 )*( (float) x->x_hiddenzones[ti].x1 ) ) /
+ ( ( (float) x->x_hiddenzones[ti].x3 ) - ( (float) x->x_hiddenzones[ti].x1 ) );
+ }
+ post( "pdp_cache : hiding : a1=%f b1=%f",
+ x->x_hiddenzones[ti].a1, x->x_hiddenzones[ti].b1 );
+ post( "pdp_cache : hiding : a2=%f b2=%f",
+ x->x_hiddenzones[ti].a2, x->x_hiddenzones[ti].b2 );
+ post( "pdp_cache : hiding : a3=%f b3=%f",
+ x->x_hiddenzones[ti].a3, x->x_hiddenzones[ti].b3 );
+ pdp_cache_update_mask(x);
+ return;
+ }
+ if ( x->x_hiddenzones[ti].used && ( ti == MAX_ZONES-1 ) )
+ {
+ post( "pdp_cache : hidden zones table is full" );
+ return;
+ }
+ }
+ }
+ else
+ {
+ post( "pdp_cache : hide : wrong coordinates : %d %d %d %d %d %d (width=%d) (height=%d)",
+ (int)fx1, (int)fy1, (int)fx2, (int)fy2, (int)fx3, (int)fy3, x->x_vwidth, x->x_vheight );
+ return;
+ }
+}
+
+
+static void pdp_cache_rawhide(t_pdp_cache *x, t_symbol *s, int argc, t_atom *argv)
+{
+ if ( (x->x_vwidth == 0) || ( x->x_vheight == 0 ) )
+ {
+ post( "pdp_imgloader : rawhide : no video loaded" );
+ return;
+ }
+
+ argv[0].a_w.w_float *= x->x_vwidth;
+ argv[1].a_w.w_float *= x->x_vheight;
+ argv[2].a_w.w_float *= x->x_vwidth;
+ argv[3].a_w.w_float *= x->x_vheight;
+ argv[4].a_w.w_float *= x->x_vwidth;
+ argv[5].a_w.w_float *= x->x_vheight;
+
+ pdp_cache_hide( x, s, argc, argv );
+}
+
+static void pdp_cache_unhide(t_pdp_cache *x, t_floatarg findex )
+{
+ if ( ( (int) findex < 0 ) || ( (int) findex >= MAX_ZONES ) )
+ {
+ post( "pdp_cache : unhide : wrong index" );
+ return;
+ }
+ x->x_hiddenzones[(int)findex].used = 0;
+ pdp_cache_update_mask(x);
+}
+
+static void pdp_cache_process_yv12(t_pdp_cache *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);
+ t_int px, py;
+ t_float alpha, factor;
+ unsigned char y, u, v;
+ short int *pY, *pU, *pV;
+ short int *poY, *poU, *poV;
+
+ if ( ( (int)(header->info.image.width) != x->x_vwidth ) ||
+ ( (int)(header->info.image.height) != x->x_vheight ) )
+ {
+ pdp_cache_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;
+ pdp_cache_allocate(x);
+ }
+
+ newheader->info.image.encoding = header->info.image.encoding;
+ newheader->info.image.width = x->x_vwidth;
+ newheader->info.image.height = x->x_vheight;
+
+ poY = data;
+ poV = data+x->x_vsize;
+ poU = data+x->x_vsize+(x->x_vsize>>2);
+ pY = newdata;
+ pV = newdata+x->x_vsize;
+ pU = newdata+x->x_vsize+(x->x_vsize>>2);
+ for ( py=0; py<x->x_vheight; py++ )
+ {
+ for ( px=0; px<x->x_vwidth; px++ )
+ {
+ if ( !(*(x->x_mask+py*x->x_vwidth+px)) )
+ {
+ *(pY) = *(poY);
+ if ( (px%2==0) && (py%2==0) )
+ {
+ *(pV) = *(poV);
+ *(pU) = *(poU);
+ }
+ }
+ else
+ {
+ *(pY) = 0x00;
+ if ( (px%2==0) && (py%2==0) )
+ {
+ *(pV) = 0x00;
+ *(pU) = 0x00;
+ }
+ }
+ pY++; poY++;
+ if ( (px%2==0) && (py%2==0) )
+ {
+ pV++;pU++;
+ poV++;poU++;
+ }
+ }
+ }
+
+ return;
+}
+
+static void pdp_cache_sendpacket(t_pdp_cache *x)
+{
+ /* delete source 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_cache_process(t_pdp_cache *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_cache_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_cache_process_yv12, pdp_cache_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_cache_process */
+ break;
+
+ }
+ }
+
+}
+
+static void pdp_cache_input_0(t_pdp_cache *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_cache_process(x);
+
+ }
+
+}
+
+static void pdp_cache_free(t_pdp_cache *x)
+{
+ int i;
+
+ pdp_cache_free_ressources(x);
+ pdp_queue_finish(x->x_queue_id);
+ pdp_packet_mark_unused(x->x_packet0);
+}
+
+t_class *pdp_cache_class;
+
+void *pdp_cache_new(void)
+{
+ int ti;
+
+ t_pdp_cache *x = (t_pdp_cache *)pd_new(pdp_cache_class);
+
+ x->x_outlet0 = outlet_new(&x->x_obj, &s_anything);
+ x->x_packet0 = -1;
+ x->x_packet1 = -1;
+ x->x_queue_id = -1;
+
+ for ( ti=0; ti<MAX_ZONES; ti++ )
+ {
+ x->x_hiddenzones[ti].used = 0;
+ }
+
+ x->x_mask = NULL;
+
+ return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_cache_setup(void)
+{
+
+ // post( pdp_cache_version );
+ pdp_cache_class = class_new(gensym("pdp_cache"), (t_newmethod)pdp_cache_new,
+ (t_method)pdp_cache_free, sizeof(t_pdp_cache), 0, A_NULL);
+
+ class_addmethod(pdp_cache_class, (t_method)pdp_cache_input_0, gensym("pdp"),
+ A_SYMBOL, A_DEFFLOAT, A_NULL);
+ class_addmethod(pdp_cache_class, (t_method)pdp_cache_hide, gensym("hide"), A_GIMME, A_NULL);
+ class_addmethod(pdp_cache_class, (t_method)pdp_cache_rawhide, gensym("rawhide"), A_GIMME, A_NULL);
+ class_addmethod(pdp_cache_class, (t_method)pdp_cache_unhide, gensym("unhide"), A_DEFFLOAT, A_NULL);
+ class_sethelpsymbol( pdp_cache_class, gensym("pdp_cache.pd") );
+
+}
+
+#ifdef __cplusplus
+}
+#endif