/* ***** BEGIN LICENSE BLOCK *****
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* $Id: subband_byteio.h,v 1.1 2006/04/20 10:41:56 asuraparaju Exp $ $Name: Dirac_0_9_1 $
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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/**
* Definition of class SubbandByteIO
*/
#ifndef subband_byteio_h
#define subband_byteio_h


//LOCAL INCLUDES
#include <libdirac_byteio/byteio.h>         // Parent class

// DIRAC includes
#include <libdirac_common/wavelet_utils.h>   // Subband class

namespace dirac
{
    /**
    * Subband Dirac-bytestream input/output
    */
    class SubbandByteIO : public ByteIO
    {
    public:

        /**
        * Constructor
        *@param sub_band Corresponding Subband
        *@param byteio Source/Destination of data
        */
        SubbandByteIO(Subband& sub_band,
                      const ByteIO& byteio);


        /* Constructor
        *@param sub_band Corresponding Subband
        *@param byteio Source/Destination of data
        */
        SubbandByteIO(Subband& sub_band);

       /**
       * Destructor
       */
        ~SubbandByteIO();

        /**
        * Inputs data from Dirac stream-format
        */
        bool Input();


        /**
        * Gets number of bytes in Arith-coded data block
        */
        int GetBandDataLength() const;

        /**
        * Gets subband bytes in Dirac-bytestream format
        */
        const std::string GetBytes();


  protected:
        

   private:
      
        /**
        * Sub-band that is inputed/outputed
        */
        Subband&        m_subband; 

        /**
        * Number of bytes in arith-coded data block
        */
        int             m_band_data_length;
   };

} // namespace dirac

#endif
