added optical flow objects

svn path=/trunk/externals/pix_opencv/; revision=12617

1 files changed, 99 insertions, 0 deletions

diff --git a/pix_opencv_of_lk.h b/pix_opencv_of_lk.h
new file mode 100755
index 0000000..96ccb10
--- /dev/null
+++ b/pix_opencv_of_lk.h
@@ -0,0 +1,99 @@
+/*-----------------------------------------------------------------
+LOG
+    GEM - Graphics Environment for Multimedia
+
+    Lucas / Kanade Optical Flow algorithm
+
+    Copyright (c) 1997-1999 Mark Danks. mark@danks.org
+    Copyright (c) Günther Geiger. geiger@epy.co.at
+    Copyright (c) 2001-2002 IOhannes m zmoelnig. forum::für::umläute. IEM. zmoelnig@iem.kug.ac.at
+    Copyright (c) 2002 James Tittle & Chris Clepper
+    For information on usage and redistribution, and for a DISCLAIMER OF ALL
+    WARRANTIES, see the file, "GEM.LICENSE.TERMS" in this distribution.
+
+-----------------------------------------------------------------*/
+
+#ifndef INCLUDE_PIX_OPENCV_OF_LK_H_
+#define INCLUDE_PIX_OPENCV_OF_LK_H_
+
+#ifndef _EiC
+#ifdef __APPLE__
+#include <OpenCV/OpenCV.h>
+#else
+#include "cv.h"
+#endif
+#endif
+
+#include "Base/GemPixObj.h"
+
+/*-----------------------------------------------------------------
+-------------------------------------------------------------------
+CLASS
+    pix_opencv_of_lk
+    
+    Lucas / Kanade Optical Flow algorithm
+
+KEYWORDS
+    pix
+    
+DESCRIPTION
+   
+-----------------------------------------------------------------*/
+class GEM_EXTERN pix_opencv_of_lk : public GemPixObj
+{
+    CPPEXTERN_HEADER(pix_opencv_of_lk, GemPixObj)
+
+    public:
+
+	//////////
+	// Constructor
+    	pix_opencv_of_lk();
+    	
+    protected:
+    	
+    	//////////
+    	// Destructor
+    	virtual ~pix_opencv_of_lk();
+
+    	//////////
+    	// Do the processing
+    	virtual void 	processRGBAImage(imageStruct &image);
+    	virtual void 	processRGBImage(imageStruct &image);
+	virtual void 	processYUVImage(imageStruct &image);
+    	virtual void 	processGrayImage(imageStruct &image); 
+
+        void  nightModeMess(float nightmode);
+        void  tresholdMess(float threshold);
+        void  winsizeMess(float width, float height);
+        void  minBlocksMess(float mblocks);
+
+        int comp_xsize;
+        int comp_ysize;
+
+        t_outlet *m_meanout;
+        t_outlet *m_maxout;
+
+        CvSize x_velsize, x_winsize;
+
+        int x_nightmode;
+        int x_threshold;
+        int x_minblocks;
+
+    private:
+    
+    	//////////
+    	// Static member functions
+        static void  nightModeMessCallback(void *data, float nightmode);
+        static void  tresholdMessCallback(void *data, float threshold);
+        static void  winsizeMessCallback(void *data, float width, float height);
+        static void  minBlocksMessCallback(void *data, float mblocks);
+
+	// Internal Open CV data
+        IplImage *rgba, *rgb, *grey, *prev_grey;
+        IplImage *x_velx, *x_vely;
+        CvFont font;
+
+        t_atom x_list[3];
+};
+
+#endif	// for header file