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MPEGSource.h

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/*************************************************************************
 *
 * Source code for Real Time Image Library (libRTImage) 
 *
 * Leeds Vision Group give permission for this code to be copied, modified 
 * and distributed within the University of Leeds subject to the following
 * conditions:-
 *
 * - The code is not to be used for commercial gain.
 * - The code and use thereof will be attributed to the authors where
 *   appropriate (including demonstrations which rely on it's use).
 * - All modified, distributions of the source files will retain this header.
 *
 ****************************************************************************/

#ifndef MPEG_SOURCE_H
#define MPEG_SOURCE_H

#include "Image.h"
#include "ImageSource.h"
#include "libmpeg3.h"


class MPEGSource : public ImageSource
{
protected:
/* Protected Members */

        mpeg3_t*        file;           

        unsigned char** buff;           

        char            *Y ;            
        char            *U ;            
        char            *V ;            
        
        unsigned int    width;          
        unsigned int    height;         
        long            frames;         
        float           framerate;      
public:
/* Public Methods */

        MPEGSource(char* path);

        ~MPEGSource();

        /* Extraction operators */
        
        virtual ImageSource& operator >> (ImageRGB&);
        virtual ImageSource& operator >> (ImageGrey&);
        virtual ImageSource& operator >> (Image&);

        void get_size(unsigned int&, unsigned int&);

        int get_no_frames() ;

        int set_frame(long frame_no) ;
        void get_framerate(float&);

        bool eof(void) const;
};

#endif  // MPEG_SOURCE_H

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