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-rw-r--r--modules/pdp_underwatch.c244
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diff --git a/modules/pdp_underwatch.c b/modules/pdp_underwatch.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 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);
+
+}
+
+#ifdef __cplusplus
+}
+#endif
generated by cgit v1.2.1 (git 2.18.0) at 2024-04-29 14:54:21 +0000