/*

* Copyright (c) 2005 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:    

*

*/

#include "mceg711codec.h"

#include "mcecomg711codec.h"

#ifdef MCE_COMMON_SERVER_SIDE

#include <mmcccodecinformation.h>

#endif //MCE_COMMON_SERVER_SIDE

//G.711 Default Frame Size    

const TUint KMceG711FrameSize = 10; 

// ============================ MEMBER FUNCTIONS ===============================

// -----------------------------------------------------------------------------

// CMceComG711Codec::NewL

// -----------------------------------------------------------------------------

//

CMceComG711Codec* CMceComG711Codec::NewL( TBuf8<KMceMaxSdpNameLength> aSdpName )

    {

    CMceComG711Codec* self = NewLC( aSdpName );

    CleanupStack::Pop( self );

    return self;

    }

// -----------------------------------------------------------------------------

// CMceComG711Codec::NewLC

// -----------------------------------------------------------------------------

//

CMceComG711Codec* CMceComG711Codec::NewLC( TBuf8<KMceMaxSdpNameLength> aSdpName )

    {

    CMceComG711Codec* self = new (ELeave) CMceComG711Codec();

    CleanupStack::PushL( self );

    self->ConstructL( aSdpName );

    return self;

    }

// -----------------------------------------------------------------------------

// CMceComG711Codec::~CMceComG711Codec

// -----------------------------------------------------------------------------

//

CMceComG711Codec::~CMceComG711Codec()

    {

    }

// -----------------------------------------------------------------------------

// CMceComG711Codec::CMceComG711Codec

// -----------------------------------------------------------------------------

//

CMceComG711Codec::CMceComG711Codec()

 : CMceComAudioCodec()

    {

    iFourCC = 0;

    iEnableVAD = EFalse;

	iSamplingFreq  = KMceG711SamplingFreq;

	iBitrate  = KMceG711Bitrate64;

	iPTime = KMceG711DefaultPtime;

	iMaxPTime = KMceG711DefaultMaxPtime;

	iAllowedBitrates = KMceAllowedG711Bitrate64K;

	iPayloadType = KMcePCMAPayloadType;

	iCodecMode = KMceG711PCMA;    

    iFrameSize = KMceG711FrameSize;

    }

// -----------------------------------------------------------------------------

// CMceComG711Codec::CloneL

// -----------------------------------------------------------------------------

//

CMceComAudioCodec* CMceComG711Codec::CloneL()

    {

    CMceComG711Codec* copy = new (ELeave) CMceComG711Codec();

    CleanupStack::PushL( copy );

    copy->ConstructL( *this );

    CleanupStack::Pop( copy );

    return copy;

    }

// -----------------------------------------------------------------------------

// CMceComG711Codec::ConstructL

// -----------------------------------------------------------------------------

//

void CMceComG711Codec::ConstructL( TBuf8<KMceMaxSdpNameLength> aSdpName )

    {

    CMceComAudioCodec::ConstructL( aSdpName );

    if( !iSdpName.CompareF(KMceSDPNamePCMU) )

        {

        iCodecMode = KMceG711PCMU; 

        iPayloadType = KMcePCMUPayloadType;

        }

    else

        {

        iCodecMode = KMceG711PCMA;

        iPayloadType = KMcePCMAPayloadType;

        }

    }

// -----------------------------------------------------------------------------

// CMceComG711Codec::ConstructL

// -----------------------------------------------------------------------------

//

void CMceComG711Codec::ConstructL( CMceComG711Codec& aCodec )

    {

    CMceComAudioCodec::ConstructL( aCodec );

    }

// -----------------------------------------------------------------------------

// CMceComG711Codec::SetBitrate

// -----------------------------------------------------------------------------

//

TInt CMceComG711Codec::SetBitrate( TUint aBitrate )

    {

    TBool isValid = ETrue;

    switch ( aBitrate )

    	{

    	case KMceG711Bitrate64:

    	    {

    	    if ( aBitrate > GetMaxBitRate() )

    	        {

        		isValid = EFalse;

    	        }

    	    break;

    	    }

    	default:

    		isValid = EFalse;

    		break;

    	}

    if ( isValid )

    	{

        return CMceComCodec::SetBitrate( aBitrate );

    	}

    else

    	{

    	return KErrNotSupported;

    	}

    }

// -----------------------------------------------------------------------------

// CMceComG711Codec::SetAllowedBitrates

// -----------------------------------------------------------------------------

//

TInt CMceComG711Codec::SetAllowedBitrates( TUint aBitrates )

    {

    TInt error = KErrNone;

    //Confirm that the bitrate mask is valid

    //I.e. after all the valid bitrates are set to zero the value should be zero

    if ( !aBitrates || 

        ( aBitrates >> 8 ) > 0 ) 

        {

        error = KErrArgument;

        }

    else

        {

        CMceComCodec::SetAllowedBitrates( KMceAllowedG711BitrateAllowAll );

        iAllowedBitrates &= aBitrates;

        TUint maxBitrate = GetMaxBitRate();

        if ( iBitrate > maxBitrate )

            {

            error = CMceComCodec::SetBitrate( maxBitrate );

            }

        }

    return error;

    }

// -----------------------------------------------------------------------------

// CMceComG711Codec::SetCodecMode

// -----------------------------------------------------------------------------

//

TInt CMceComG711Codec::SetCodecMode( TUint aCodecMode )

    {

    if ( KMceG711PCMU == aCodecMode || KMceG711PCMA == aCodecMode )

        {

        iCodecMode = aCodecMode;

        return KErrNone;

        }

    else

        {

        return KErrNotSupported;

        }

    }

// -----------------------------------------------------------------------------

// CMceComG711Codec::GetMaxBitRate

// -----------------------------------------------------------------------------

//

TUint CMceComG711Codec::GetMaxBitRate()

	{

    if( iAllowedBitrates & KMceAllowedG711Bitrate64K )

        {

        return KMceG711Bitrate64;

        }

    else

        {

        return 0;    

        }

    }   

// -----------------------------------------------------------------------------

// CMceComG711Codec::SetPTime

// -----------------------------------------------------------------------------

//

TInt CMceComG711Codec::SetPTime( TUint aPTime )

    {

    if ( ( aPTime % KMceG711FrameSize ) == 0 )

        {

        return CMceComAudioCodec::SetPTime( aPTime );

        }

    else

        {

        return KErrNotSupported;

        }

    }

// -----------------------------------------------------------------------------

// CMceComG711Codec::SetMaxPTime

// -----------------------------------------------------------------------------

//

TInt CMceComG711Codec::SetMaxPTime( TUint aMaxPTime )

    {

    if ( ( aMaxPTime % KMceG711FrameSize ) == 0 )

        {

        return CMceComAudioCodec::SetMaxPTime( aMaxPTime );

        }

    else

        {

        return KErrNotSupported;

        }

    }

// End of File