comp_compress.h

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* $Id: comp_compress.h,v 1.2 2005/01/30 05:11:41 gabest Exp $ $Name:  $
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* The Original Code is BBC Research and Development code.
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* Contributor(s): Thomas Davies (Original Author), Scott R Ladd
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#ifndef _COMP_COMPRESS_H_
#define _COMP_COMPRESS_H_

#include "libdirac_common/arrays.h"
#include "libdirac_common/wavelet_utils.h"
#include "libdirac_common/common.h"

namespace dirac
{

    class CompCompressor
    {
    public:

        CompCompressor( EncoderParams & encp, const FrameParams& fp);


        void Compress(PicArray & pic_data);

    private:
        CompCompressor(const CompCompressor& cpy);

        CompCompressor& operator=(const CompCompressor& rhs);

        void GenQuantList();

        void SelectQuantisers( PicArray& pic_data , SubbandList& bands ,
                               OneDArray<unsigned int>& est_counts );

        int SelectQuant(PicArray& pic_data,SubbandList& bands,int band_num);

        ValueType PicAbsMax(const PicArray& pic_data,int xp, int yp ,int xl ,int yl) const;

        ValueType PicAbsMax(const PicArray& pic_data) const;

        void SetToVal(PicArray& pic_data,const Subband& node,ValueType val);

        void AddSubAverage(PicArray& pic_data,int xl,int yl,AddOrSub dirn);

        //member variables
        EncoderParams& m_encparams;
        const FrameParams& m_fparams;
        const FrameSort& m_fsort;    
        const ChromaFormat& m_cformat;
        CompSort m_csort;
        OneDArray<int> m_qflist;
        OneDArray<int> m_qfinvlist;
        OneDArray<int> m_offset;
        float m_lambda;

    };

} // namespace dirac



#endif

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