devsoundextensions/mmfcustominterfaces/EAacPlusDecoderIntfc/EAacPlusDecoderIntfcMsgHdlr/src/EAacPlusDecoderIntfcMsgHdlr.cpp
author hgs
Tue, 02 Nov 2010 12:28:51 +0000
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permissions -rw-r--r--
2010wk46_02
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/*
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* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). 
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:   Message handler for eAAC+ decoder configuration interface.
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*
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*/
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// INCLUDE FILES
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#include    "EAacPlusDecoderIntfcMsgs.h"
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#include    "EAacPlusDecoderIntfcMsgHdlr.h"
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// EXTERNAL DATA STRUCTURES
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// EXTERNAL FUNCTION PROTOTYPES
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// CONSTANTS
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// MACROS
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// LOCAL CONSTANTS AND MACROS
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// MODULE DATA STRUCTURES
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// LOCAL FUNCTION PROTOTYPES
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// FORWARD DECLARATIONS
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// ============================= LOCAL FUNCTIONS ===============================
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// ============================ MEMBER FUNCTIONS ===============================
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/**
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 * CEAacPlusDecoderIntfcMsgHdlr::CEAacPlusDecoderIntfcMsgHdlr
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 * C++ default constructor can NOT contain any code, that might leave.
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 */
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CEAacPlusDecoderIntfcMsgHdlr::CEAacPlusDecoderIntfcMsgHdlr(
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                              CEAacPlusDecoderIntfc* aAacDecoderConfigCI) :
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	CMMFObject(KUidEAacPlusDecoderIntfc)
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    {
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    iAacDecoderConfigCI = aAacDecoderConfigCI;
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    }
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/**
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 * CEAacPlusDecoderIntfcMsgHdlr::ConstructL
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 * Symbian 2nd phase constructor can leave.
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 */
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void CEAacPlusDecoderIntfcMsgHdlr::ConstructL()
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    {
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    }
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/**
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 * CEAacPlusDecoderIntfcMsgHdlr::NewL
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 * Two-phased constructor.
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 */
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EXPORT_C CEAacPlusDecoderIntfcMsgHdlr* CEAacPlusDecoderIntfcMsgHdlr::NewL(
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                                       TAny* aAacDecoderConfigCI)
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    {
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    CEAacPlusDecoderIntfc* aacDecoderConfigCI =
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                (CEAacPlusDecoderIntfc*)aAacDecoderConfigCI;
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    CEAacPlusDecoderIntfcMsgHdlr* self =
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                new (ELeave) CEAacPlusDecoderIntfcMsgHdlr(aacDecoderConfigCI);
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    CleanupStack::PushL( self );
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    self->ConstructL();
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    CleanupStack::Pop( self );
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    return self;
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    }
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/**
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 * Destructor
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 */
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EXPORT_C CEAacPlusDecoderIntfcMsgHdlr::~CEAacPlusDecoderIntfcMsgHdlr()
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	{
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	delete iAacDecoderConfigCI;
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	}
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/**
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 * CEAacPlusDecoderIntfcMsgHdlr::HandleRequest
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 * Handles the messages from the proxy.
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 * Calls a subfunction which determines what custom interface to call.
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 * A subfunction is used to contain multiple leaving functions for a single
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 * trap.
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 * (other items were commented in a header).
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 */
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EXPORT_C void CEAacPlusDecoderIntfcMsgHdlr::HandleRequest(
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                                            TMMFMessage& aMessage)
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	{
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	ASSERT(aMessage.Destination().InterfaceId() == KUidEAacPlusDecoderIntfc);
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	TRAPD(error, DoHandleRequestL(aMessage));
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	if(error)
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		{
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		aMessage.Complete(error);
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		}
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	}
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/**
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 * CEAacPlusDecoderIntfcMsgHdlr::DoHandleRequestL
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 * Determines which custom interface to call.
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 * (other items were commented in a header).
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 */
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void CEAacPlusDecoderIntfcMsgHdlr::DoHandleRequestL(TMMFMessage& aMessage)
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	{
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	switch(aMessage.Function())
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		{
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		case EEaacpdimApplyConfig:
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			{
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    		DoApplyConfigL(aMessage);
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			break;
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			}
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		default:
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			{
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			aMessage.Complete(KErrNotSupported);
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			}
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		}
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	}
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/**
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 * CEAacPlusDecoderIntfcMsgHdlr::DoApplyConfigL
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 * Handles the message from the proxy and calls the custom interface method
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 * to commit configuration settings to the decoder.
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 * (other items were commented in a header).
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 */
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void CEAacPlusDecoderIntfcMsgHdlr::DoApplyConfigL(TMMFMessage& aMessage)
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    {
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	TPckgBuf<TEAacPlusDecoderConfig> pckgBuf;
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	aMessage.ReadData1FromClientL(pckgBuf);
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	iAacDecoderConfigCI->SetAudioObjectType(pckgBuf().iAudioObjectType);
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	iAacDecoderConfigCI->SetInputSamplingFrequency(
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	                     pckgBuf().iInputSamplingFrequency);
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	iAacDecoderConfigCI->SetNumOfChannels(pckgBuf().iNumOfChannels);
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	iAacDecoderConfigCI->SetSbr(pckgBuf().iSbrEnabled);
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	iAacDecoderConfigCI->SetDownSampledMode(pckgBuf().iDsmEnabled);
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	TInt status = iAacDecoderConfigCI->ApplyConfig();
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    aMessage.Complete(status);
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    }
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// End of File