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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>
#include <libdirac_byteio/component_byteio.h>

namespace dirac
{
    class MEData;
          
    //! Compress a frame component
    /*!
        This class compresses one of the three components (Y, U, or V) of a
        frame according to a given set or parameters. CompCompressor is used
        by FrameCompressor.
    */
    class CompCompressor
    {
    public:
        //! Constructor
        /*!
            Create and initialize a component compressor with the given
            characteristics.
            \param  encp    encoding parameters
            \param  fp      frame parameters
        */
        CompCompressor( EncoderParams & encp, const FrameParams& fp);

        //! Compress a frame component
        /*!
            Compress a PicArray containing a frame component (Y, U, or V).
            \param  coeff_data      the component data to be compressed
            \param  bands           Subbands list
            \param  estimated_bits  the list of estimated number of bits in each subband
            \return Frame-component in Dirac-bytestream format
        */
        ComponentByteIO* Compress( CoeffArray& coeff_data ,
                                   SubbandList& bands,
                                   const OneDArray<unsigned int>& estimated_bits);

    private:
        //! Copy constructor is private and body-less. This class should not be copied.
        CompCompressor(const CompCompressor& cpy);

        //! Assignment = is private and body-less. This class should not be assigned.
        CompCompressor& operator=(const CompCompressor& rhs);
        
        //! Set a subband to a constant value
        void SetToVal(CoeffArray& coeff_data,const Subband& node,ValueType val);


    private:

        // member variables
        EncoderParams& m_encparams;

        const FrameParams& m_fparams;

        const FrameSort& m_fsort;    

        const ChromaFormat& m_cformat;

        CompSort m_csort;

        float m_lambda;
        
    };

} // namespace dirac



#endif
