/*

* Copyright (c) 2004-2008 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:    Class is used for configuring G729 codec.

*

*/

#ifndef __MCC_CODEC_ILBC_H__

#define __MCC_CODEC_ILBC_H__

//  INCLUDES

#include "mmcccodecinformation.h"

// CONSTANTS

const TUint KIlbcMaxPTime30 = 180;

// iLBC Codec possible bitrates

const TInt KIlbcBitrate20 = 15200;

const TInt KIlbcBitrate30 = 13330;

// Other iLBC related constants

const TInt KIlbcSampleRate( 8000 );

const TInt KIlbcPTime( 30 );

const TInt KIlbcHwFrameTime( 30 );

const TInt KIlbcMaxPTime( 180 );

const TInt KIlbcPTime20( 20 );

const TInt KIlbcPTime30( 30 );

// CLASS DECLARATION

/**

 *  Container class for the iLBC codec information.

 *

 *  @lib mmccinterface.dll

 */

NONSHARABLE_CLASS( CMCCCodecILBC ): public CMccCodecInformation

    {

    public:  // Constructors and destructor

        /**

        * Two-phased constructor.

        */

        static CMCCCodecILBC* NewL();

        /**

        * Destructor.

        */

        virtual ~CMCCCodecILBC();

    public:    // From CMccCodecInformation

        /**

        * From CMccCodecInformation

        */

        CMccCodecInformation* CloneDefaultsL();

        /**

        * From CMccCodecInformation

        */

        CMccCodecInformation* CloneDetailedL();

        /**

        * From CMccCodecInformation

        */

        TBool RequireSignalling( const CMccCodecInformation& aCandidate ) const; 

        /**

        * From MccCodecInformation. Enable / Disable Voice Activity Detection.

        * @since    Series 60 3.0

        * @param    aEnableVAD    Boolean indicating whether to enable Voice Activity Detection

        * @return   KErrNotSupported if codec doesn't support VAD; otherwise KErrNone.

        */

        TInt EnableVAD( TBool aEnableVAD );

        /**

        * From MccCodecInformation. Sets bitrate used with codec.

        * @since     Series 60 3.0

        * @param     aBitrate     New bitrate value

        * @return    KErrNotSupported if codec doesn't support bitrate value issued; otherwise KErrNone.

        */

        TInt SetBitrate( TUint aBitrate );

        /**

        * From MccCodecInformation. Sets the sampling frequency.

        * @since    Series 60 3.0

        * @param    aSamplingFreq   Sampling frequency to be used

        * @return   KErrNotSupported if codec doesn't support sampling frequency issued; otherwise KErrNone.

        */

        TInt SetSamplingFreq( TUint32 aSamplingFreq );

        /**

        * From MccCodecInformation. Sets the sdp name.

        * @since Series 60 3.0

        * @param aRtpId - [input] RTP session ID

        * @return One of the standard system-wide error codes.

        */

        TInt SetSdpName( const TDesC8& aSdpName );

        /**

        * From MccCodecInformation. Sets the payload type.

        * @since Series 60 3.0

        * @param aRtpId - [input] RTP session ID

        * @return One of the standard system-wide error codes.

        */

        TInt SetPayloadType( TUint8 aPayloadType );

        /**

        * From MccCodecInformation. Sets the codec mode.

        * @since         Series 60 3.0

        * @param aMode   Codec mode ( e.g. ULAW/ALAW, Bandwidth efficient / octet aligned )

        * @return        KErrNotSupported if codec doesnt' support codec mode value issued; otherwise KErrNone.

        */

        TInt SetCodecMode( TCodecMode aCodecMode );

        /**

        * Creates the fmtp string from internal values

        * @since Series 60 3.0

        * @return void

        */

        void CreateFmtpAttrListL();

        /**

        * Parses the fmtp attributes, and updates the internal values

        * except the iFmtpAttr attribute

        * @since Series 60 3.0

        * @param aFmtp Fmtp attribute

        * @return True if any param was updated

        */

        TBool ParseFmtpAttrL( const TDesC8& aFmtp );

        /**

        * Get the fmtp string

        * @since Series 60 3.0

        * @return Fmtp.

        */

        TDesC8& GetFmtpL( );

        /**

        * From MccCodecInformation. Sets max packet time.

        * @since    Series 60 3.0

        * @param aMaxPTime Maximum PacketTime

        * @return One of the standard system-wide error codes.

        */

        TInt SetMaxPTime( TUint aMaxPTime );

        /**

        * From MccCodecInformation. Sets the packet time.

        * @since    Series 60 3.0

        * @param aPTime PacketTime.

        * @return One of the standard system-wide error codes.

        */

        TInt SetPTime( TUint aPTime );

        /**

        * Enable / Disable Comfort noise generation.

        * @param aComfortNoisePT Payloadtype value indicating what

        *        payload type should be used for comfort noise.

        *        KPayloadTypeUndefined can be used to turn comfor noise

        *        generation off.

        * @return One of the standard system-wide error codes.

        */

        TInt SetComfortNoiseGeneration( TUint8 aComfortNoisePT );

        /**

        * Set Allowed BitRate

        * @since    Series 60 3.0

        * @param    aBitRateMask

        *                       

        * @return   Etrue, if Mask is valid

        */

        TInt SetAllowedBitrates( TUint aBitrateMask );

    private:

        /**

        * C++ default constructor.

        */

        CMCCCodecILBC();

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL();

        /**

        * Adjust codec.

        */

        void AdjustCodec();

    public:     // Data

    protected:  // Data

    private:    // Data

    public:     // Friend classes

    protected:  // Friend classes

    private:    // Friend classes

    };

#endif      //__MCC_CODEC_ILBC_H__

// End of File