picture_buffer.h

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/* ***** BEGIN LICENSE BLOCK *****
*
* $Id: picture_buffer.h,v 1.4 2008/06/19 10:07:03 tjdwave Exp $ $Name: Dirac_1_0_2 $
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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* The Original Code is BBC Research and Development code.
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* The Initial Developer of the Original Code is the British Broadcasting
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* Contributor(s): Thomas Davies (Original Author),
*                 Anuradha Suraparaju
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#ifndef _PICTURE_BUFFER_H_
#define _PICTURE_BUFFER_H_
 
#include <vector>
#include <map>
#include <libdirac_common/picture.h>
#include <libdirac_common/common.h>
 
namespace dirac
{
 
    class PictureBuffer{
    public:
        PictureBuffer();
 
 
        PictureBuffer(ChromaFormat cf,
                    const int xlen,
                    const int ylen,
                    const unsigned int luma_depth,
                    const unsigned int chroma_depth,
                    bool using_ac);
 
 
        PictureBuffer(ChromaFormat cf,
                    const int numL1,
                    const int L1sep,
                    const int xlen,
                    const int ylen,
                    const unsigned int luma_depth,
                    const unsigned int chroma_depth,
                    bool interlace,
                    bool using_ac);
 
 
        PictureBuffer(const PictureBuffer& cpy);
 
 
        PictureBuffer& operator=(const PictureBuffer& rhs);
 
        ~PictureBuffer();
 
        Picture& GetPicture(const unsigned int pnum );
 
        const Picture& GetPicture(const unsigned int pnum) const;
 
        Picture& GetPicture(const unsigned int pnum, bool& is_present);
 
        const Picture& GetPicture(const unsigned int pnum, bool& is_present) const;
 
        bool IsPictureAvail(const unsigned int pnum) const;
 
        std::vector<int> Members() const;
 
 
        void PushPicture(const PictureParams& pp);
 
 
        void CopyPicture( const Picture& picture );
 
 
        void SetRetiredPictureNum(const int show_pnum, const int current_coded_pnum);
 
 
        void Remove(int pnum);
 
    private:
 
        void ClearSlot(const unsigned int pos);
 
//        //! the count of the number of reference pictures in the buffer
//        int m_ref_count;
 
        std::vector<Picture*> m_pic_data;
 
        std::map<unsigned int,unsigned int> m_pnum_map;
 
    };
 
} // namespace dirac
 
#endif