/* ***** BEGIN LICENSE BLOCK *****
*
* $Id: displayparams_byteio.h,v 1.1 2006/04/20 10:41:56 asuraparaju 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.
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* Contributor(s): Andrew Kennedy (Original Author)
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/**
* Definition of class DisplayParamsByteIO
*/
#ifndef displayparams_byteio_h
#define displayparams_byteio_h


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

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


namespace dirac
{
             
    /**
    * Represents compressed display-parameter data contained in an AccessUnit
    */
    class DisplayParamsByteIO : public ByteIO
    {
    public:

        /**
        * Constructor for Input/Output
        *@param seq_params Sequence parameters
        *@param src_params Source parameters
        *@param default_src_params Default Source parameters
        *@param stream_data Source/Destination of data
        */
        DisplayParamsByteIO(const SeqParams &seq_params,
                            SourceParams& src_params,
                            const SourceParams& default_src_params,
                            const ByteIO& stream_data);
        /**
        * Destructor
        */
        ~DisplayParamsByteIO();

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

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

    protected:
    

    private:
    
        /**
        * Reads aspect ratio info
        */
        void InputAspectRatio();

        /**
        * Reads clean-area info
        */
        void InputCleanArea();

        /**
        * Reads colour-matrix info
        */
        void InputColourMatrix();

        /**
        * Reads primary-colour info
        */
        void InputColourPrimaries();

        /**
        * Reads colour spec info
        */
        void InputColourSpecification();

        /**
        * Reads frame-rate info
        */
        void InputFrameRate();

        /**
        * Reads Scan info
        */
        void InputScanFormat();

        /**
        * Reads signal range info
        */
        void InputSignalRange();

        /**
        * Reads transfer-function info
        */
        void InputTransferFunction();

        /**
        * Outputs aspect ratio info
        */
        void OutputAspectRatio();

        /**
        * Outputs clean-area info
        */
        void OutputCleanArea();

        /**
        * Outputs colour spec info
        */
        void OutputColourSpecification();

        /**
        * Outputs frame-rate info
        */
        void OutputFrameRate();

         /**
        * Outputs Scan info
        */
        void OutputScanFormat();

        /**
        * Outputs signal range info
        */
        void OutputSignalRange();

        /**
        * Source parameters for input/ouput
        */
        SourceParams&      m_src_params;

        /**
        * Default source parameters
        */
        const SourceParams& m_default_src_params;
        
        /**
        * Sequence parameters for input video format
        */
        const SeqParams&      m_seq_params;
    };


} // namespace dirac

#endif