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-rw-r--r--pdp_opencv_laplace.c266
1 files changed, 266 insertions, 0 deletions
diff --git a/pdp_opencv_laplace.c b/pdp_opencv_laplace.c
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+++ b/pdp_opencv_laplace.c
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+/*
+ * Pure Data Packet module.
+ * Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
+ *
+ * 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.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <dirent.h>
+#include <limits.h>
+#include <dlfcn.h>
+
+#include "pdp.h"
+
+#ifndef _EiC
+#include "cv.h"
+#endif
+
+
+
+typedef struct pdp_opencv_laplace_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_width;
+ int x_height;
+ int x_size;
+
+ int x_infosok;
+
+ int aperture_size;
+ int build_voronoi;
+ int mask_size;
+
+ // The output and temporary images
+ IplImage* frame;
+ IplImage* laplace;
+ IplImage* colorlaplace;
+ IplImage* planes[3];
+
+
+} t_pdp_opencv_laplace;
+
+
+
+static void pdp_opencv_laplace_process_rgb(t_pdp_opencv_laplace *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;
+
+
+ if ((x->x_width != (t_int)header->info.image.width) ||
+ (x->x_height != (t_int)header->info.image.height))
+ {
+
+ post("pdp_opencv_laplace :: resizing plugins");
+
+ //cv_freeplugins(x);
+
+ x->x_width = header->info.image.width;
+ x->x_height = header->info.image.height;
+ x->x_size = x->x_width*x->x_height;
+
+ //Destroy cv_images
+ for( i = 0; i < 3; i++ )
+ cvReleaseImage( &x->planes[i] );
+ cvReleaseImage( &x->frame );
+ cvReleaseImage( &x->laplace );
+ cvReleaseImage( &x->colorlaplace );
+
+ //Create cv_images
+ for( i = 0; i < 3; i++ )
+ x->planes[i] = cvCreateImage( cvSize(x->x_width, x->x_height), 8, 1 );
+ x->laplace = cvCreateImage( cvSize(x->x_width, x->x_height), IPL_DEPTH_16S, 1 );
+ x->colorlaplace = cvCreateImage( cvSize(x->x_width,x->x_height), 8, 3 );
+ x->frame = cvCreateImage( cvSize(x->x_width,x->x_height), 8, 3 );
+ }
+
+ newheader->info.image.encoding = header->info.image.encoding;
+ newheader->info.image.width = x->x_width;
+ newheader->info.image.height = x->x_height;
+
+ memcpy( newdata, data, x->x_size*3 );
+
+
+ // FEM UNA COPIA DEL PACKET A x->grey->imageData ... http://www.cs.iit.edu/~agam/cs512/lect-notes/opencv-intro/opencv-intro.html aqui veiem la estructura de IplImage
+ memcpy( x->frame->imageData, data, x->x_size*3 );
+
+ cvCvtPixToPlane( x->frame, x->planes[0], x->planes[1], x->planes[2], 0 );
+ for( i = 0; i < 3; i++ )
+ {
+ cvLaplace( x->planes[i], x->laplace, x->aperture_size );
+ cvConvertScaleAbs( x->laplace, x->planes[i], 1, 0 );
+ }
+ cvCvtPlaneToPix( x->planes[0], x->planes[1], x->planes[2], 0, x->colorlaplace );
+ x->colorlaplace->origin = x->frame->origin;
+
+ //cvShowImage("Laplacian", colorlaplace );
+
+ memcpy( newdata, x->colorlaplace->imageData, x->x_size*3 );
+
+
+ return;
+}
+
+
+static void pdp_opencv_laplace_thresh(t_pdp_opencv_laplace *x, t_floatarg f)
+{
+ if ((f==1)||(f==3)||(f==5)||(f==7)) x->aperture_size = (int)f;
+}
+
+static void pdp_opencv_laplace_sendpacket(t_pdp_opencv_laplace *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_opencv_laplace_process(t_pdp_opencv_laplace *x)
+{
+ int encoding;
+ t_pdp *header = 0;
+ char *parname;
+ unsigned pi;
+ int partype;
+ float pardefault;
+ t_atom plist[2];
+ t_atom tlist[2];
+ t_atom vlist[2];
+
+ /* check if image data packets are compatible */
+ if ( (header = pdp_packet_header(x->x_packet0))
+ && (PDP_BITMAP == header->type)){
+
+ /* pdp_opencv_laplace_process inputs and write into active inlet */
+ switch(pdp_packet_header(x->x_packet0)->info.image.encoding){
+
+ case PDP_BITMAP_RGB:
+ x->x_packet1 = pdp_packet_clone_rw(x->x_packet0);
+ pdp_queue_add(x, pdp_opencv_laplace_process_rgb, pdp_opencv_laplace_sendpacket, &x->x_queue_id);
+ break;
+
+ default:
+ /* don't know the type, so dont pdp_opencv_laplace_process */
+ break;
+
+ }
+ }
+
+}
+
+static void pdp_opencv_laplace_input_0(t_pdp_opencv_laplace *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("bitmap/rgb/*") );
+
+ if ((s == gensym("process")) && (-1 != x->x_packet0) && (!x->x_dropped))
+ {
+ /* add the process method and callback to the process queue */
+ pdp_opencv_laplace_process(x);
+ }
+}
+
+static void pdp_opencv_laplace_free(t_pdp_opencv_laplace *x)
+{
+ int i;
+
+ pdp_queue_finish(x->x_queue_id);
+ pdp_packet_mark_unused(x->x_packet0);
+ //cv_freeplugins(x);
+
+ //Destroy cv_images
+ for( i = 0; i < 3; i++ )
+ cvReleaseImage( &x->planes[i] );
+ cvReleaseImage( &x->frame );
+ cvReleaseImage( &x->laplace );
+ cvReleaseImage( &x->colorlaplace );
+}
+
+t_class *pdp_opencv_laplace_class;
+
+
+void *pdp_opencv_laplace_new(t_floatarg f)
+{
+ int i;
+
+ t_pdp_opencv_laplace *x = (t_pdp_opencv_laplace *)pd_new(pdp_opencv_laplace_class);
+ inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("aperture_size"));
+
+ 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_width = 320;
+ x->x_height = 240;
+ x->x_size = x->x_width * x->x_height;
+
+ x->x_infosok = 0;
+
+ x->aperture_size = 3;
+
+
+ for( i = 0; i < 3; i++ )
+ x->planes[i] = cvCreateImage( cvSize(x->x_width, x->x_height), 8, 1 );
+ x->laplace = cvCreateImage( cvSize(x->x_width, x->x_height), IPL_DEPTH_16S, 1 );
+ x->colorlaplace = cvCreateImage( cvSize(x->x_width,x->x_height), 8, 3 );
+ x->frame = cvCreateImage( cvSize(x->x_width,x->x_height), 8, 3 );
+
+
+ return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_opencv_laplace_setup(void)
+{
+
+ post( " pdp_opencv_laplace");
+ pdp_opencv_laplace_class = class_new(gensym("pdp_opencv_laplace"), (t_newmethod)pdp_opencv_laplace_new,
+ (t_method)pdp_opencv_laplace_free, sizeof(t_pdp_opencv_laplace), 0, A_DEFFLOAT, A_NULL);
+
+ class_addmethod(pdp_opencv_laplace_class, (t_method)pdp_opencv_laplace_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+ class_addmethod(pdp_opencv_laplace_class, (t_method)pdp_opencv_laplace_thresh, gensym("aperture_size"), A_FLOAT, A_NULL );
+
+}
+
+#ifdef __cplusplus
+}
+#endif
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