me_mode_decn.h

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* The Original Code is BBC Research and Development code.
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#ifndef _ME_MODE_DECN_H_
#define _ME_MODE_DECN_H_

#include <libdirac_common/motion.h>
#include <libdirac_motionest/block_match.h>

namespace dirac
{
    class FrameBuffer;


    class ModeDecider
    {

    public:

        ModeDecider(const EncoderParams& encp );    


        ~ModeDecider();


        void DoModeDecn( const FrameBuffer& my_buffer , int frame_num , MEData& me_data);

    private:
        ModeDecider( const ModeDecider& cpy );//private, body-less copy constructor: this class should not be copied
        ModeDecider& operator=( const ModeDecider& rhs );//private, body-less assignment=: this class should not be assigned

         //functions
        void DoMBDecn();    //called by do_mode_decn for each MB

        void DoLevelDecn( int level );

        float DoUnitDecn( const int xpos , const int ypos , const int level );

        float DoCommonMode( PredMode& predmode , const int level);

        void DoME( const int xpos , const int ypos , const int level );

     
        float ModeCost( const int xindex , const int yindex , const PredMode predmode );

        ValueType GetDCPred( int xblock , int yblock );

        float GetDCVar( const ValueType dc_val , const ValueType dc_pred);

         // Member data
        FrameSort fsort;

        const EncoderParams& m_encparams;

        float m_lambda;

        OneDArray<float> m_level_factor;


        OneDArray<float> m_mode_factor;

        OneDArray< MEData* > m_me_data_set;

        const PicArray* m_pic_data;
        const PicArray* m_ref1_updata;
        const PicArray* m_ref2_updata;
        int num_refs;

        IntraBlockDiff* m_intradiff;
        BiBChkBlockDiffUp* m_bicheckdiff;

        //position variables, used in all the mode decisions
        int m_xmb_loc,m_ymb_loc;    //coords of the current MB

    };

} // namespace dirac

#endif

---