devsoundextensions/mmfcustominterfaces/EAacPlusDecoderIntfc/EAacPlusDecoderIntfcMsgHdlr/src/EAacPlusDecoderIntfcMsgHdlr.cpp
/*
* 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: Message handler for eAAC+ decoder configuration interface.
*
*/
// INCLUDE FILES
#include "EAacPlusDecoderIntfcMsgs.h"
#include "EAacPlusDecoderIntfcMsgHdlr.h"
// EXTERNAL DATA STRUCTURES
// EXTERNAL FUNCTION PROTOTYPES
// CONSTANTS
// MACROS
// LOCAL CONSTANTS AND MACROS
// MODULE DATA STRUCTURES
// LOCAL FUNCTION PROTOTYPES
// FORWARD DECLARATIONS
// ============================= LOCAL FUNCTIONS ===============================
// ============================ MEMBER FUNCTIONS ===============================
/**
* CEAacPlusDecoderIntfcMsgHdlr::CEAacPlusDecoderIntfcMsgHdlr
* C++ default constructor can NOT contain any code, that might leave.
*/
CEAacPlusDecoderIntfcMsgHdlr::CEAacPlusDecoderIntfcMsgHdlr(
CEAacPlusDecoderIntfc* aAacDecoderConfigCI) :
CMMFObject(KUidEAacPlusDecoderIntfc)
{
iAacDecoderConfigCI = aAacDecoderConfigCI;
}
/**
* CEAacPlusDecoderIntfcMsgHdlr::ConstructL
* Symbian 2nd phase constructor can leave.
*/
void CEAacPlusDecoderIntfcMsgHdlr::ConstructL()
{
}
/**
* CEAacPlusDecoderIntfcMsgHdlr::NewL
* Two-phased constructor.
*/
EXPORT_C CEAacPlusDecoderIntfcMsgHdlr* CEAacPlusDecoderIntfcMsgHdlr::NewL(
TAny* aAacDecoderConfigCI)
{
CEAacPlusDecoderIntfc* aacDecoderConfigCI =
(CEAacPlusDecoderIntfc*)aAacDecoderConfigCI;
CEAacPlusDecoderIntfcMsgHdlr* self =
new (ELeave) CEAacPlusDecoderIntfcMsgHdlr(aacDecoderConfigCI);
CleanupStack::PushL( self );
self->ConstructL();
CleanupStack::Pop( self );
return self;
}
/**
* Destructor
*/
EXPORT_C CEAacPlusDecoderIntfcMsgHdlr::~CEAacPlusDecoderIntfcMsgHdlr()
{
delete iAacDecoderConfigCI;
}
/**
* CEAacPlusDecoderIntfcMsgHdlr::HandleRequest
* Handles the messages from the proxy.
* Calls a subfunction which determines what custom interface to call.
* A subfunction is used to contain multiple leaving functions for a single
* trap.
* (other items were commented in a header).
*/
EXPORT_C void CEAacPlusDecoderIntfcMsgHdlr::HandleRequest(
TMMFMessage& aMessage)
{
ASSERT(aMessage.Destination().InterfaceId() == KUidEAacPlusDecoderIntfc);
TRAPD(error, DoHandleRequestL(aMessage));
if(error)
{
aMessage.Complete(error);
}
}
/**
* CEAacPlusDecoderIntfcMsgHdlr::DoHandleRequestL
* Determines which custom interface to call.
* (other items were commented in a header).
*/
void CEAacPlusDecoderIntfcMsgHdlr::DoHandleRequestL(TMMFMessage& aMessage)
{
switch(aMessage.Function())
{
case EEaacpdimApplyConfig:
{
DoApplyConfigL(aMessage);
break;
}
default:
{
aMessage.Complete(KErrNotSupported);
}
}
}
/**
* CEAacPlusDecoderIntfcMsgHdlr::DoApplyConfigL
* Handles the message from the proxy and calls the custom interface method
* to commit configuration settings to the decoder.
* (other items were commented in a header).
*/
void CEAacPlusDecoderIntfcMsgHdlr::DoApplyConfigL(TMMFMessage& aMessage)
{
TPckgBuf<TEAacPlusDecoderConfig> pckgBuf;
aMessage.ReadData1FromClientL(pckgBuf);
iAacDecoderConfigCI->SetAudioObjectType(pckgBuf().iAudioObjectType);
iAacDecoderConfigCI->SetInputSamplingFrequency(
pckgBuf().iInputSamplingFrequency);
iAacDecoderConfigCI->SetNumOfChannels(pckgBuf().iNumOfChannels);
iAacDecoderConfigCI->SetSbr(pckgBuf().iSbrEnabled);
iAacDecoderConfigCI->SetDownSampledMode(pckgBuf().iDsmEnabled);
TInt status = iAacDecoderConfigCI->ApplyConfig();
aMessage.Complete(status);
}
// End of File