/*

* 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 "mceredcodec.h"

#include "mcecomredcodec.h"

#ifdef MCE_COMMON_SERVER_SIDE

#include <mmcccodecinformationfactory.h>

#include <mmcccodecinformation.h>

#include "mcecomaudiostream.h"

#endif //MCE_COMMON_SERVER_SIDE

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

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

// CMceComRedCodec::NewL

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

//

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

    {

    CMceComRedCodec* self = NewLC( aSdpName );

    CleanupStack::Pop( self );

    return self;

    }

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

// CMceComRedCodec::NewLC

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

//

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

    {

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

    CleanupStack::PushL( self );

    self->ConstructL( aSdpName );

    return self;

    }

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

// CMceComRedCodec::~CMceComRedCodec

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

//

CMceComRedCodec::~CMceComRedCodec()

    {

    }

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

// CMceComRedCodec::CMceComRedCodec

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

//

CMceComRedCodec::CMceComRedCodec()

 : CMceComAudioCodec()

    {

    iState = CMceCodec::EDisabled; // NOTE: Red is in disabled state by default

    iFourCC = 0;

    iEnableVAD = EFalse;

    iSamplingFreq  = KMceRedSamplingFreq;   

    iPTime = KMceRedDefaultPtime;

    iMaxPTime = KMceRedDefaultMaxPtime;

    iPayloadType = KMceDefaultRedPayloadType;

    // valid default codec mode is needed for MCC codec interaction

    const TUint KRedCodecMode = 1;

    iCodecMode = KRedCodecMode;

    }

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

// CMceComRedCodec::SendSupported

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

//

TBool CMceComRedCodec::SendSupported()

    {

    return EFalse;

    }

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

// CMceComRedCodec::ConstructL

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

//

CMceComAudioCodec* CMceComRedCodec::CloneL()

    {

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

    CleanupStack::PushL( copy );

    copy->ConstructL( *this );

    CleanupStack::Pop( copy );

    return copy;

    }

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

// CMceComRedCodec::ConstructL

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

//

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

    {

    CMceComAudioCodec::ConstructL( aSdpName );

    }

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

// CMceComRedCodec::ConstructL

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

//

void CMceComRedCodec::ConstructL( CMceComRedCodec& aCodec )

    {

    CMceComAudioCodec::ConstructL( aCodec );

    }

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

// CMceComRedCodec::SetPayloadType

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

//

TInt CMceComRedCodec::SetPayloadType( TUint8 aPayloadType )

    {

    if ( KMinDynPayloadType <= aPayloadType )

        {

        return CMceComCodec::SetPayloadType( aPayloadType );

        }

    else

        {

        return KErrNotSupported;

        }

    }

#ifdef MCE_COMMON_SERVER_SIDE

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

// CMceComRedCodec::DoDecodeAudioL

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

//

void CMceComRedCodec::DoDecodeAudioL( 

    TInt aCodecIndex,

    RPointerArray<CMceSrvStream>& /*aStreams*/,

    CMceComAudioStream& aAudio,

    CMceMediaManager& /*aManager*/ )

    {

    // Special handling for red codecs, red settings affect to other codecs.

    // If red codec is preferred send codec, associated codec of highest

    // preference is selected as send stream. If there's no associated

    // codec(s) for the red for some reason, next codec with sending capability

    // is enabled.

    //

    CMccCodecInformationFactory* factory = CMccCodecInformationFactory::NewL();

    CleanupStack::PushL( factory );

    CMccCodecInformation* mccCodec = factory->CreateCodecInformationL( iSdpName );

    CleanupStack::PushL( mccCodec );

    // Use dummy mcc codec for parsing the fmtp

    mccCodec->SetFmtpAttrL( *iFmtpAttr, ETrue );

    RArray<TUint> redPayloads;

    CleanupClosePushL( redPayloads );

    mccCodec->RedPayloadsL( redPayloads );

    const TInt codecCount = aAudio.CodecCount();

    for ( TInt i = 0 ; i < codecCount ; i++ )

        {

        // There needs to be two entries of certain payload type in red payloads

        // array if red level 1 should be used.

        //

        CMceComAudioCodec* codec = aAudio.CodecL( i );

        const TInt KMceRedNotPresent( -1 );

        TInt redCount( KMceRedNotPresent );

        for ( TInt j = 0; j < redPayloads.Count(); j++ )

            {

            if ( codec->iPayloadType == static_cast<TUint8>( redPayloads[ j ] ) )

                {

                redCount++;

                }

            }

        if ( redCount > 0 )

            {

            codec->iRedPayloadType = iPayloadType;

            codec->iRedCount = redCount;

            UpdateSendCodec( aCodecIndex, aAudio, *codec );

            }

        else

            {

            codec->iRedPayloadType = KMcePayloadTypeUndefined;

            codec->iRedCount = 0;

            }

        if ( !redPayloads.Count() )

            {

            UpdateSendCodec( aCodecIndex, aAudio, *codec );

            }

        }

    CleanupStack::PopAndDestroy( &redPayloads );    

    CleanupStack::PopAndDestroy( mccCodec );

    CleanupStack::PopAndDestroy( factory );

    }

#endif

// End of File