added rgb channels separator

svn path=/trunk/externals/pdp_opencv/; revision=12038

1 files changed, 255 insertions, 0 deletions

diff --git a/pdp_opencv_channels.cc b/pdp_opencv_channels.cc
new file mode 100644
index 0000000..46d67cc
--- /dev/null
+++ b/pdp_opencv_channels.cc
@@ -0,0 +1,255 @@
+/*
+ *   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 <ctype.h>
+
+#include "pdp.h"
+
+#ifndef _EiC
+#include "cv.h"
+#endif
+
+typedef struct pdp_opencv_channels_struct
+{
+  t_object x_obj;
+  t_float x_f;
+
+  t_outlet *x_outlet0;
+  t_outlet *x_outlet1;
+  t_outlet *x_outlet2;
+
+  int x_packet0;
+  int x_packet1;
+  int x_packet2;
+  int x_packet3;
+  int x_dropped;
+  int x_queue_id;
+
+  int x_width;
+  int x_height;
+  int x_size;
+
+  // The output and temporary images
+  IplImage *image, *rimage, *gimage, *bimage, *frimage, *fgimage, *fbimage, *zimage;
+  
+} t_pdp_opencv_channels;
+
+static void pdp_opencv_channels_process_rgb(t_pdp_opencv_channels *x)
+{
+    t_pdp     *header = pdp_packet_header(x->x_packet0);
+    short int *data   = (short int *)pdp_packet_data(x->x_packet0);
+    t_pdp     *rheader = pdp_packet_header(x->x_packet1);
+    short int *rdata = (short int *)pdp_packet_data(x->x_packet1); 
+    t_pdp     *gheader = pdp_packet_header(x->x_packet2);
+    short int *gdata = (short int *)pdp_packet_data(x->x_packet2); 
+    t_pdp     *bheader = pdp_packet_header(x->x_packet3);
+    short int *bdata = (short int *)pdp_packet_data(x->x_packet3); 
+    int i,j,k,im;
+
+    if ((x->x_width != (t_int)header->info.image.width) || 
+        (x->x_height != (t_int)header->info.image.height) || (!x->image)) 
+    {
+
+      post("pdp_opencv_channels :: resizing plugins");
+  
+      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
+      cvReleaseImage( &x->image );
+      cvReleaseImage( &x->rimage );
+      cvReleaseImage( &x->gimage );
+      cvReleaseImage( &x->bimage );
+      cvReleaseImage( &x->zimage );
+      cvReleaseImage( &x->frimage );
+      cvReleaseImage( &x->fgimage );
+      cvReleaseImage( &x->fbimage );
+   
+      //Create cv_images 
+      x->image = cvCreateImage( cvSize(x->x_width, x->x_height), 8, 3 );
+      x->rimage = cvCreateImage( cvSize(x->x_width, x->x_height), 8, 1 );
+      x->gimage = cvCreateImage( cvSize(x->x_width, x->x_height), 8, 1 );
+      x->bimage = cvCreateImage( cvSize(x->x_width, x->x_height), 8, 1 );
+      x->zimage = cvCreateImage( cvSize(x->x_width, x->x_height), 8, 1 );
+      x->frimage = cvCreateImage( cvSize(x->x_width, x->x_height), 8, 3 );
+      x->fgimage = cvCreateImage( cvSize(x->x_width, x->x_height), 8, 3 );
+      x->fbimage = cvCreateImage( cvSize(x->x_width, x->x_height), 8, 3 );
+    }
+    
+    rheader->info.image.encoding = header->info.image.encoding;
+    rheader->info.image.width = x->x_width;
+    rheader->info.image.height = x->x_height;
+
+    gheader->info.image.encoding = header->info.image.encoding;
+    gheader->info.image.width = x->x_width;
+    gheader->info.image.height = x->x_height;
+
+    bheader->info.image.encoding = header->info.image.encoding;
+    bheader->info.image.width = x->x_width;
+    bheader->info.image.height = x->x_height;
+
+    memcpy( x->image->imageData, data, x->x_size*3 );
+        
+    cvSplit( x->image, x->bimage, x->gimage, x->rimage, NULL );
+    cvZero( x->zimage );
+    cvMerge( x->rimage, x->zimage, x->zimage, NULL, x->frimage );
+    cvMerge( x->zimage, x->gimage, x->zimage, NULL, x->fgimage);
+    cvMerge( x->zimage, x->zimage, x->bimage, NULL, x->fbimage );
+
+    memcpy( rdata, x->frimage->imageData, x->x_size*3 );
+    memcpy( gdata, x->fgimage->imageData, x->x_size*3 );
+    memcpy( bdata, x->fbimage->imageData, x->x_size*3 );
+
+    return;
+}
+
+static void pdp_opencv_channels_sendpacket(t_pdp_opencv_channels *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);
+  pdp_packet_pass_if_valid(x->x_outlet1, &x->x_packet2);
+  pdp_packet_pass_if_valid(x->x_outlet2, &x->x_packet3);
+}
+
+static void pdp_opencv_channels_process(t_pdp_opencv_channels *x)
+{
+   int encoding;
+   t_pdp *header = 0;
+
+   /* check if image data packets are compatible */
+   if ( (header = pdp_packet_header(x->x_packet0))
+  && (PDP_BITMAP == header->type)){
+    
+  /* pdp_opencv_channels_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);
+            x->x_packet2 = pdp_packet_clone_rw(x->x_packet0);
+            x->x_packet3 = pdp_packet_clone_rw(x->x_packet0);
+            pdp_queue_add(x, (void*)pdp_opencv_channels_process_rgb, (void*)pdp_opencv_channels_sendpacket, &x->x_queue_id);
+      break;
+
+  default:
+      /* don't know the type, so dont pdp_opencv_channels_process */
+      break;
+      
+  }
+    }
+
+}
+
+static void pdp_opencv_channels_input_0(t_pdp_opencv_channels *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((char*)"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_channels_process(x);
+    }
+}
+
+static void pdp_opencv_channels_free(t_pdp_opencv_channels *x)
+{
+  int i;
+
+    pdp_queue_finish(x->x_queue_id);
+    pdp_packet_mark_unused(x->x_packet0);
+    
+    //Destroy cv_images
+    cvReleaseImage( &x->image );
+    cvReleaseImage( &x->rimage );
+    cvReleaseImage( &x->gimage );
+    cvReleaseImage( &x->bimage );
+    cvReleaseImage( &x->frimage );
+    cvReleaseImage( &x->fgimage );
+    cvReleaseImage( &x->fbimage );
+    cvReleaseImage( &x->zimage );
+}
+
+t_class *pdp_opencv_channels_class;
+
+void *pdp_opencv_channels_new(t_floatarg f)
+{
+  int i;
+
+  t_pdp_opencv_channels *x = (t_pdp_opencv_channels *)pd_new(pdp_opencv_channels_class);
+
+  x->x_outlet0 = outlet_new(&x->x_obj, &s_anything); 
+  x->x_outlet1 = outlet_new(&x->x_obj, &s_anything);
+  x->x_outlet2 = outlet_new(&x->x_obj, &s_anything);
+
+  x->x_packet0 = -1;
+  x->x_packet1 = -1;
+  x->x_packet2 = -1;
+  x->x_packet3 = -1;
+  x->x_queue_id = -1;
+
+  x->x_width  = 320;
+  x->x_height = 240;
+  x->x_size   = x->x_width * x->x_height;
+
+  x->image = cvCreateImage( cvSize(x->x_width, x->x_height), 8, 3 );
+  x->rimage = cvCreateImage( cvSize(x->x_width, x->x_height), 8, 1 );
+  x->gimage = cvCreateImage( cvSize(x->x_width, x->x_height), 8, 1 );
+  x->bimage = cvCreateImage( cvSize(x->x_width, x->x_height), 8, 1 );
+  x->zimage = cvCreateImage( cvSize(x->x_width, x->x_height), 8, 1 );
+  x->frimage = cvCreateImage( cvSize(x->x_width, x->x_height), 8, 3 );
+  x->fgimage = cvCreateImage( cvSize(x->x_width, x->x_height), 8, 3 );
+  x->fbimage = cvCreateImage( cvSize(x->x_width, x->x_height), 8, 3 );
+
+  return (void *)x;
+}
+
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+void pdp_opencv_channels_setup(void)
+{
+
+    post( "    pdp_opencv_channels");
+    pdp_opencv_channels_class = class_new(gensym("pdp_opencv_channels"), (t_newmethod)pdp_opencv_channels_new,
+      (t_method)pdp_opencv_channels_free, sizeof(t_pdp_opencv_channels), 0, A_DEFFLOAT, A_NULL);
+
+    class_addmethod(pdp_opencv_channels_class, (t_method)pdp_opencv_channels_input_0, gensym("pdp"), A_SYMBOL, A_DEFFLOAT, A_NULL);
+}
+
+#ifdef __cplusplus
+}
+#endif