BufferedImageMultiVideoSource.hh

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/*
 *  Copyright (C) Massimo Cora' 2006 <maxcvs@email.it>
 *
 *  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 Library 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */


#ifndef _BUFFEREDIMAGEMULTIVIDEOSOURCE_H_
#define _BUFFEREDIMAGEMULTIVIDEOSOURCE_H_


// opencv
#include <cv.h>
#include <highgui.h>

#include "BaseInputVideo.hh"
#include "OStreamConfig.hh"

#include <list>
#include <vector>
#include <cv.h>
#include <highgui.h>

using namespace std;

class BufferedImageMultiVideoSource : public BaseInputVideo
{
public:

        // being a special input video case, we can pass an input_single_video as single video source
        // avoiding to reimplement two cases for hardware [webcam] and software [file].

        BufferedImageMultiVideoSource( unsigned int streams_num, on_parsable_image_cb *f,
                                                                  void* parsable_image_callback_data,
                                                                  BaseInputVideo *input_single_video );
        virtual ~BufferedImageMultiVideoSource();
        
        bool init_device ();
        
        bool is_multi_stream ();
        
        virtual IplImage * get_next_frame ();
        
        
        //
        // multi-stream implementable functions
        //
        
        IplImage * get_next_frame_by_stream_id( int stream_id );
        
        static void add_image_by_stream_id( IplImage *image, int stream_id, char* __unused__, 
                                                                                void* callback_data );
        
private:        // functions

        on_parsable_image_cb * f_parsable_cb;   
        
private:        // data

        vector< list<IplImage*>* > *_streams_vector;
        
        unsigned int _streams_num;
        
        BaseInputVideo *_input_single_video;

        bool _initialized;

        void *_parsable_image_callback_data;
};


#endif  //_BUFFEREDIMAGEMULTIVIDEOSOURCE_H_

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