multimediacommscontroller/mmccamrpayloadformat/inc/amrtocentry.h
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/*
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* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:    
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*
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*/
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#ifndef AMRTOCENTRY_H
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#define AMRTOCENTRY_H
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#include <e32base.h>
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#include <e32std.h>
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#include "amrframe.h"
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// MACROS
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/**
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* The Amr payload `table of contents' ( TOC ) entry in bandwidth efficient
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* mode.
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*
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* @lib Mccamrplformat.dll
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* @since Series 60 3.1
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*/
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class CAmrTocEntry : public CBase                                                                                                  
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    {
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public:  // Constructors and destructor
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    /**
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    * Two-phased constructor.
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    */
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    static CAmrTocEntry* NewL();    
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    /**
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    * Destructor.
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    */
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    virtual ~CAmrTocEntry( );
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public: // New functions
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    /**
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    * Encode the `table of contents' ( TOC ) entry fields into a given 
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    * buffer at the given position. Values to encode are obtained from the
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    * corresponding fields. Byte and bit positions are updated after 
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    * encoding is done.
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    * @since    Series 60 3.1
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    * @param    aBuffer - [output] Buffer to store encoded data.
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    * @param    aByteIndex - [input] Starting byte index ( starts from
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    *           zero ).
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    *           [output] Byte index updated after encoding.
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    * @param    aBitIndex - [input] Starting bit index 
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    *                        ( starts from zero ).
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    *           [output] Bit index updated after encoding.
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    */
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    virtual void Encode( TUint8* aBuffer, TInt& aByteIndex, TInt& aBitIndex );
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    /**
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    * Decode the `table of contents' ( TOC ) entry fields from a given
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    * buffer at the given position. Decoded values are returned in the
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    * corresponding fields. Byte and bit positions are updated after
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    * decoding is done.
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    * @since    Series 60 3.1
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    * @param    aBuffer - [input] Buffer to decode data from.
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    * @param    aByteIndex - [input] Starting byte index ( starts from
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    *           zero ).
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    *           [output] Byte index updated after decoding.
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    * @param    aBitIndex - [input] Starting bit index 
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    *                        ( starts from zero ).
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    *           [output] Bit index updated after decoding.
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    */
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    virtual void Decode( const TUint8* aBuffer, TInt& aByteIndex,
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        TInt& aBitIndex );
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protected: // Functions
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    /**
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    * Constructor.
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    */
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    CAmrTocEntry();
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public:     // Data. Payload `table of contents' ( TOC ) entry fields
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    // F flag ( 1 bit ); 1 if frame followed; 0 if last frame
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    TUint8 iFrameFollowed;
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    // Frame type ( FT, 4 bits )
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    TAmrFrameType iFrameType;
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    // Frame quality indicator ( Q, 1 bit ); 1 if frame OK if 0 damaged
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    TUint8 iFrameQualityInd;
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    };
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#endif //        AMRTOCENTRY_H