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* $Id: seqparams_byteio.h,v 1.1 2006/04/20 10:41:56 asuraparaju Exp $ $Name: Dirac_0_7_0 $
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/**
* Definition of class SeqParamsByteIO
*/
#ifndef seqparams_byteio_h
#define seqparams_byteio_h


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

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


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

        /**
        * Constructor
        *@param seq_params Sequence parameters
        *@param default_seq_params Default sequence parameters
        *@param stream_data Source/Destination of data
        */
        SeqParamsByteIO(SeqParams& seq_params,
                        const SeqParams& default_seq_params,
                        const ByteIO& stream_data);
                      

        /**
        * Destructor
        */
        ~SeqParamsByteIO();

        /**
        * Reads sequence information from Dirac byte-format
        */
        void Input();

        /**
        * Outputs sequence information to Dirac byte-format
        */
        void Output();

    protected:
    

    private:
    
        /**
        * Reads chroma format
        */
        void InputChromaFormat();

        /**
        * Reads image size info (Luma only)
        */
        void InputImageSize();

        /**
        * Reads number of bits used to compress input signal 
        */
        void InputVideoDepth();

        /**
        * Outputs chroma format
        */
        void OutputChromaFormat();

        /**
        * Outputs image size info (Luma only)
        */
        void OutputImageSize();

        /**
        * Outputs number of bits used to compress input signal 
        */
        void OutputVideoDepth();

        /**
        * Sequence paramters for intput/output
        */
        SeqParams&   m_seq_params;

        /**
        * Default sequence parameters
        */
        const SeqParams& m_default_seq_params;

    };


} // namespace dirac

#endif