/*

 * 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