/*-----------------------------------------------------------------
LOG
    GEM - Graphics Environment for Multimedia

    Change pix to greyscale

    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_MOTEMPL_H_
#define INCLUDE_PIX_OPENCV_MOTEMPL_H_

#include "Base/GemPixObj.h"

#ifndef _EiC
#include "cv.h"
#include <time.h>
#include <math.h>
#include <ctype.h>
#endif
#include <stdio.h>


/*-----------------------------------------------------------------
-------------------------------------------------------------------
CLASS
    pix_opencv_motempl
    
    Change pix to greyscale

KEYWORDS
    pix
    
DESCRIPTION
   
-----------------------------------------------------------------*/
class GEM_EXTERN pix_opencv_motempl : public GemPixObj
{
    CPPEXTERN_HEADER(pix_opencv_motempl, GemPixObj)

    public:

	    //////////
	    // Constructor
    	pix_opencv_motempl();
    	
    protected:
    	
    	//////////
    	// Destructor
    	virtual ~pix_opencv_motempl();

    	//////////
    	// Do the processing
    	virtual void 	processRGBAImage(imageStruct &image);
    	virtual void 	processRGBImage(imageStruct &image);
	virtual void 	processYUVImage(imageStruct &image);
    	virtual void 	processGrayImage(imageStruct &image); 
    	
	//////////
    	// Set the new edge threshold
    	void	    	floatThreshMess(float thresh);
    	void	    	floatMhiDuration(float duration);
    	void	    	floatmin_time_delta(float min_time_delta);
    	void	    	floatmax_time_delta(float max_time_delta);
    	void	    	floatframe_buffer_num(float frame_buffer_num);
    	void	    	floatmax_size(float max_size);
    	void	    	floatmin_size(float min_size);

	// to detect changes in the image size
	int 		comp_xsize;
	int		comp_ysize;
    	
    	// Some varibales to control mophology mhi_duration
    	int 		mhi_duration;
    	int 		diff_threshold;
    	int 		mask_size;
    	int 		last;
    

    // various tracking parameters (in seconds)
    double max_time_delta;
    double min_time_delta;
    // number of cyclic frame buffer used for motion detection
    // (should, probably, depend on FPS)
    int frame_buffer_num; 

    int max_size;
    int min_size;
    

    private:

    	//////////
    	// Static member functions
    	static void 	thresholdMessCallback(void *data, t_floatarg pos);
    	static void 	mhi_durationMessCallback(void *data, t_floatarg mhi_duration);
    	static void 	max_time_deltaMessCallback(void *data, t_floatarg max_time_delta);
    	static void 	min_time_deltaMessCallback(void *data, t_floatarg min_time_delta);
    	static void 	frame_buffer_numMessCallback(void *data, t_floatarg frame_buffer_num);
    	static void 	min_sizeMessCallback(void *data, t_floatarg min_size);
    	static void 	max_sizeMessCallback(void *data, t_floatarg max_size);

	// The output and temporary images
    	IplImage 	*img, *motion, *rgba, *alpha;
    
	// ring image buffer
    	IplImage **buf;

    	// temporary images
    	IplImage *mhi; // MHI
    	IplImage *orient; // orientation
    	IplImage *mask; // valid orientation mask
    	IplImage *segmask; // motion segmentation map
    	CvMemStorage* storage; // temporary storage
	t_outlet 	*m_dataout;
};

#endif	// for header file