/* ***** BEGIN LICENSE BLOCK *****
*
* $Id: mvdataelement_byteio.h,v 1.1 2007/04/11 08:08:49 tjdwave Exp $ $Name: Dirac_0_7_0 $
*
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (the "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
* the specific language governing rights and limitations under the License.
*
* The Original Code is BBC Research and Development code.
*
* The Initial Developer of the Original Code is the British Broadcasting
* Corporation.
* Portions created by the Initial Developer are Copyright (C) 2004.
* All Rights Reserved.
*
* Contributor(s): Anuradha Suraparaju (Original Author)
*                 Andrew Kennedy
*                 Thomas Davies
*
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* the GNU General Public License Version 2 (the "GPL"), or the GNU Lesser
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/**
* Definition of class MvDataElementByteIO
*/
#ifndef MV_DATAELEMENT_BYTEIO_H
#define MV_DATAELEMENT_BYTEIO_H


// DIRAC INCLUDES
#include <libdirac_common/common.h>             // EncParams

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


namespace dirac
{
             
    /**
    * Represents compressed sequence-parameter data used in an AccessUnit
    */
    class MvDataElementByteIO : public ByteIO
    {
    public:

        /**
        * Constructor
        */
        MvDataElementByteIO();

        /**
        * Constructor
        *@param byte_io    Input/Output Byte stream
        */
        MvDataElementByteIO(ByteIO &byte_io);

        /**
        * Destructor
        */
        virtual ~MvDataElementByteIO();

        /**
        * Gathers byte stats on the motion vector data
        *@param dirac_byte_stats Stat container
        */
//        void CollateByteStats(DiracByteStats& dirac_byte_stats);

        /**
        * Outputs motion vector data Dirac byte-format
        */
        void Output();

        /**
        * Inputs motion vector information
        */
        void Input();


        /**
        * Get string containing coded bytes
        */
        virtual const std::string GetBytes();

        /**
        * Return pointer to the block data ByteIO stream
        */
        ByteIO*  DataBlock() { return &m_block_data; };

        /**
        * Return the input block data size
        */
        unsigned int DataBlockSize() { return m_block_size; }

        /**
        * Return the size 
        */
        int GetSize() const;

    protected:
    
        /**
        * block data
        */
        ByteIO m_block_data;

        /**
        * In block data size
        */
        unsigned int m_block_size;
    };

} // namespace dirac

#endif