/*

* Copyright (c) 2006 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 "mcecomh263codec.h"

const TReal KMceH263DefaultLoweredFrameRate = 12;

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

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

// CMceComH263Codec::NewL

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

//

CMceComH263Codec* CMceComH263Codec::NewL( TBuf8<KMceMaxSdpNameLength> aSdpName )

    {

    CMceComH263Codec* self = NewLC( aSdpName );

    CleanupStack::Pop( self );

    return self;

    }

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

// CMceComH263Codec::NewLC

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

//

CMceComH263Codec* CMceComH263Codec::NewLC( TBuf8<KMceMaxSdpNameLength> aSdpName )

    {

    CMceComH263Codec* self = new (ELeave) CMceComH263Codec();

    CleanupStack::PushL( self );

    self->ConstructL( aSdpName );

    return self;

    }

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

// CMceComH263Codec::~CMceComH263Codec

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

//

CMceComH263Codec::~CMceComH263Codec()

    {

    }

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

// CMceComH263Codec::CMceComH263Codec

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

//

CMceComH263Codec::CMceComH263Codec()

    :CMceComVideoCodec()

    {

    iClockRate = KMceH263ClockRate;

    iFrameRate = KMceH263DefaultLoweredFrameRate;

    iResolutionWidth = KMceH263FrameWidth;

    iResolutionHeight = KMceH263FrameHeight;

    iBitrate = KMceH263DefaultBitrate;

	iMaxBitRate = KMceH263DefaultMaxBitrate;

	iAllowedBitrates = KMceH263DefaultAllowedBitrate;

    iFrameSize = KMceH263DefaultFrameSize;

    // Defaults should be defined in MCE API

    const TUint8 KMceDefaultH263PayloadType = 97;

	iPayloadType = KMceDefaultH263PayloadType;

    iReceiveFrameRate = KMceH263FrameRate;

    }

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

// CMceComH263Codec::ConstructL

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

//

CMceComVideoCodec* CMceComH263Codec::CloneL()

    {

    CMceComH263Codec* copy = new (ELeave) CMceComH263Codec();

    CleanupStack::PushL( copy );

    copy->ConstructL( *this );

    CleanupStack::Pop( copy );

    return copy;

    }

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

// CMceComH263Codec::ConstructL

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

//

void CMceComH263Codec::ConstructL( TBuf8<KMceMaxSdpNameLength> aSdpName )

    {

    CMceComVideoCodec::ConstructL( aSdpName );

    // NOTE: 1998 mode codec is disabled by default in order to prevent

    // default offer to contain both 2000 and 1998 mode versions

    if ( iSdpName.CompareF( KMceSDPNameH2631998 ) == 0 )

        {

        iState = CMceCodec::EDisabled; 

        }

    }

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

// CMceComH263Codec::ConstructL

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

//

void CMceComH263Codec::ConstructL( CMceComH263Codec& aCodec )

    {

    CMceComVideoCodec::ConstructL( aCodec );

    }

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

// CMceComH263Codec::SetBitrate

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

//

TInt CMceComH263Codec::SetBitrate( TUint aBitrate )

    {

	return CMceComCodec::SetBitrate( aBitrate );

    }

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

// CMceComH263Codec::SetAllowedBitrates

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

//

TInt CMceComH263Codec::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( KMceAllowedH263BitrateAll );

        iAllowedBitrates &= aBitrates;

        CMceComVideoCodec::SetMaxBitrate( GetMaxBitRate() );

        if ( iBitrate > iMaxBitRate )

            {

            error = CMceComCodec::SetBitrate( iMaxBitRate );

            }

        }

    return error;

    }

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

// CMceComH263Codec::GetMaxBitRate

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

//

TUint CMceComH263Codec::GetMaxBitRate()

    {

    if( iAllowedBitrates & KMceAllowedH263Bitrate45 )

        {

        return KMceH263Level45Bitrate;

        }

    else if( iAllowedBitrates & KMceAllowedH263Bitrate10 )

        {

        return KMceH263Level10Bitrate;

        }

    else

        {

        return 0;    

        }

    }

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

// CMceComH263Codec::SetMaxBitrate

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

//

TInt CMceComH263Codec::SetMaxBitrate( TUint aMaxBitrate )

    {

    TInt status = KErrNone;

	switch( aMaxBitrate )

	    {

	    case KMceH263Level10Bitrate:

	        {

	        status = SetAllowedBitrates( KMceAllowedH263Bitrate10 );

	        break;

	        }

	    case KMceH263Level45Bitrate:

	        {

	        status = SetAllowedBitrates( KMceAllowedH263Bitrate45 );

	        break;

	        }

        default:

            {

            status = KErrNotSupported;

            break;

            }

	    }

    return status;

    }

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

// CMceComH263Codec::ResolveAllowedBitrates

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

//

TInt CMceComH263Codec::ResolveAllowedBitrates( 

    TUint aBitrate, TUint& aAllowedBitrates )

    {

    TInt retVal( KErrNone );

    if ( aBitrate <= KMceH263Level10Bitrate )

        {

        aAllowedBitrates = KMceAllowedH263Bitrate10;

        }

    else if ( aBitrate <= KMceH263Level45Bitrate )

        {

        aAllowedBitrates = KMceAllowedH263BitrateAll;

        }

    else 

        {

        retVal = KErrNotSupported;

        }

    return retVal;

    }

// End of File