/*

* 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:   Interface proxy for Enhanced AAC+ decoder configuration CI.

*

*/

// INCLUDE FILES

#include <CustomCommandUtility.h>

#include <CustomInterfaceUtility.h>

#include "EAacPlusDecoderIntfcMsgs.h"

#include "EAacPlusDecoderIntfcProxy.h"

// EXTERNAL DATA STRUCTURES

// EXTERNAL FUNCTION PROTOTYPES

// CONSTANTS

const CEAacPlusDecoderIntfc::TAudioObjectType

            KAacAudioObjectTypeINVALID = CEAacPlusDecoderIntfc::ENull;

const TInt  KAacInputSampleRateINVALID = 0;

const TInt  KAacNumOfChannelsINVALID   = 0;

// MACROS

// LOCAL CONSTANTS AND MACROS

// MODULE DATA STRUCTURES

// LOCAL FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

// ============================= LOCAL FUNCTIONS ===============================

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

/**

 * CEAacPlusDecoderIntfcProxy::CEAacPlusDecoderIntfcProxy

 * C++ default constructor can NOT contain any code, that

 * might leave.

 */

CEAacPlusDecoderIntfcProxy::CEAacPlusDecoderIntfcProxy(

                            TMMFMessageDestinationPckg aMessageHandler,

                            MCustomCommand& aCustomCommand,

                            CCustomInterfaceUtility* aCustomInterfaceUtility) :

    iCustomCommand(aCustomCommand),

    iMessageHandler(aMessageHandler),

    iCustomInterfaceUtility(aCustomInterfaceUtility)

    {

    }

/**

 * CEAacPlusDecoderIntfcProxy::ConstructL

 * Symbian 2nd phase constructor can leave.

 */

void CEAacPlusDecoderIntfcProxy::ConstructL()

    {

    iAudioObjectType        = KAacAudioObjectTypeINVALID;

    iInputSamplingFrequency = KAacInputSampleRateINVALID;

    iNumOfChannels          = KAacNumOfChannelsINVALID;

    iSbrEnabled             = EFalse;

    iDsmEnabled             = EFalse;

    iHasBeenApplied         = EFalse;

    }

/**

 * CEAacPlusDecoderIntfcProxy::NewL

 * Two-phased constructor.

 */

EXPORT_C CEAacPlusDecoderIntfcProxy* CEAacPlusDecoderIntfcProxy::NewL(

                              TMMFMessageDestinationPckg aMessageHandler,

                              MCustomCommand& aCustomCommand,

                              CCustomInterfaceUtility* aCustomInterfaceUtility)

    {

    CEAacPlusDecoderIntfcProxy* self = new(ELeave) CEAacPlusDecoderIntfcProxy(

                                                   aMessageHandler,

                                                   aCustomCommand,

                                                   aCustomInterfaceUtility);

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop( self );

    return self;

    }

/**

 * Destructor

 */

EXPORT_C CEAacPlusDecoderIntfcProxy::~CEAacPlusDecoderIntfcProxy()

    {

    iCustomInterfaceUtility->RemoveCustomInterface(iMessageHandler);

    delete iCustomInterfaceUtility;

    }

// From CEAacPlusDecoderIntfc

/**

 * Configures decoder's profile defined by TAudioObjectType.

 * (other items defined in the header)

 */

EXPORT_C void CEAacPlusDecoderIntfcProxy::SetAudioObjectType(

                                          TAudioObjectType aAudioObjectType)

	{

	iAudioObjectType = aAudioObjectType;

	}

/**

 * Configures decoder's input sampling frequency.

 * (other items defined in the header)

 */

EXPORT_C void CEAacPlusDecoderIntfcProxy::SetInputSamplingFrequency(

                                          TUint aInputSamplingFrequency)

    {

    iInputSamplingFrequency = aInputSamplingFrequency;

    }

/**

 * Configures decoder's channel settings.

 * (other items defined in the header)

 */

EXPORT_C void CEAacPlusDecoderIntfcProxy::SetNumOfChannels(

                                          TUint aNumOfChannels)

    {

    iNumOfChannels = aNumOfChannels;

    }

/**

 * Configures decoder's SBR settings.

 * (other items defined in the header)

 */

EXPORT_C void CEAacPlusDecoderIntfcProxy::SetSbr(TBool aSbrEnabled)

    {

    iSbrEnabled = aSbrEnabled;

    }

/**

 * Configures decoder's DSM settings.

 * (other items defined in the header)

 */

EXPORT_C void CEAacPlusDecoderIntfcProxy::SetDownSampledMode(TBool aDsmEnabled)

    {

    iDsmEnabled = aDsmEnabled;

    }

/**

 * Returns decoder's AAC profile settings.

 * (other items defined in the header)

 */

EXPORT_C TInt CEAacPlusDecoderIntfcProxy::GetAudioObjectType(

                                          TAudioObjectType& aAudioObjectType)

	{

    TInt status = KErrNone;

    if (iHasBeenApplied)

        {

    	aAudioObjectType = iCurrentAudioObjectType;

        }

    else

        {

        status = KErrArgument;

        }

    return status;

	}

/**

 * Returns decoder's input sampling frequency settings.

 * (other items defined in the header)

 */

EXPORT_C TInt CEAacPlusDecoderIntfcProxy::GetInputSamplingFrequency(

                                          TUint& aInputSamplingFrequency)

    {

    TInt status = KErrNone;

    if (iHasBeenApplied)

        {

    	aInputSamplingFrequency = iCurrentInputSamplingFrequency;

        }

    else

        {

        status = KErrArgument;

        }

    return status;

    }

/**

 * Returns decoder's channel settings.

 * (other items defined in the header)

 */

EXPORT_C TInt CEAacPlusDecoderIntfcProxy::GetNumOfChannels(

                                          TUint& aNumOfChannels)

    {

    TInt status = KErrNone;

    if (iHasBeenApplied)

        {

    	aNumOfChannels = iCurrentNumOfChannels;

        }

    else

        {

        status = KErrArgument;

        }

    return status;

    }

/**

 * Returns decoder's SBR settings.

 * (other items defined in the header)

 */

EXPORT_C TInt CEAacPlusDecoderIntfcProxy::GetSbr(TBool& aSbrEnabled)

    {

    TInt status = KErrNone;

    if (iHasBeenApplied)

        {

    	aSbrEnabled = iCurrentSbrEnabled;

        }

    else

        {

        status = KErrArgument;

        }

    return status;

    }

/**

 * Returns decoder's DSM settings.

 * (other items defined in the header)

 */

EXPORT_C TInt CEAacPlusDecoderIntfcProxy::GetDownSampledMode(TBool& aDsmEnabled)

    {

    TInt status = KErrNone;

    if (iHasBeenApplied)

        {

    	aDsmEnabled = iCurrentDsmEnabled;

        }

    else

        {

        status = KErrArgument;

        }

    return status;

    }

/**

 * Applies configuration settings to the decoder.

 * (other items defined in the header)

 */

EXPORT_C TInt CEAacPlusDecoderIntfcProxy::ApplyConfig()

    {

    TInt status = KErrNone;

    if (!iHasBeenApplied)

        {

        // Make sure Set() methods for these params were called at least once

        if (iAudioObjectType == KAacAudioObjectTypeINVALID ||

            iInputSamplingFrequency == KAacInputSampleRateINVALID ||

            iNumOfChannels == KAacNumOfChannelsINVALID)

            {

            status = KErrArgument;

            }

        }

    if (status == KErrNone)

        {

        TEAacPlusDecoderConfig configParams;

    	configParams.iAudioObjectType        = iAudioObjectType;

    	configParams.iInputSamplingFrequency = iInputSamplingFrequency;

    	configParams.iNumOfChannels          = iNumOfChannels;

    	configParams.iSbrEnabled             = iSbrEnabled;

    	configParams.iDsmEnabled             = iDsmEnabled;

    	TPckgBuf<TEAacPlusDecoderConfig> pckgBuf(configParams);

    	TInt status = iCustomCommand.CustomCommandSync(iMessageHandler,

    	                                               EEaacpdimApplyConfig,

    	                                               pckgBuf,

    	                                               KNullDesC8);

    	if (status == KErrNone)

    		{

            iCurrentAudioObjectType        = iAudioObjectType;

            iCurrentInputSamplingFrequency = iInputSamplingFrequency;

            iCurrentNumOfChannels          = iNumOfChannels;

            iCurrentSbrEnabled             = iSbrEnabled;

            iCurrentDsmEnabled             = iDsmEnabled;

    		iHasBeenApplied = ETrue;

    		}

        }

	return status;

    }

// End of File