devsoundextensions/mmfcustominterfaces/G729EncoderIntfc/G729EncoderIntfcMsgHdlr/src/G729EncoderIntfcMsgHdlr.cpp
/*
* Copyright (c) 2002-2004 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 G729 encoder interface
*
*/
// INCLUDE FILES
#include "G729EncoderIntfcMsgHdlr.h"
#include "G729EncoderIntfcMsgs.h"
#include <G729EncoderIntfc.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 ===============================
// -----------------------------------------------------------------------------
// CG729EncoderIntfcMsgHdlr::CG729EncoderIntfcMsgHdlr
// C++ default constructor can NOT contain any code, that
// might leave.
// -----------------------------------------------------------------------------
//
CG729EncoderIntfcMsgHdlr::CG729EncoderIntfcMsgHdlr(
CG729EncoderIntfc* aG729EncoderIntfcCI) :
CMMFObject(KUidG729EncoderIntfc)
{
iG729EncoderIntfcCI = aG729EncoderIntfcCI;
}
// -----------------------------------------------------------------------------
// CG729EncoderIntfcMsgHdlr::ConstructL
// Symbian 2nd phase constructor can leave.
// -----------------------------------------------------------------------------
//
void CG729EncoderIntfcMsgHdlr::ConstructL()
{
}
// -----------------------------------------------------------------------------
// CG729EncoderIntfcMsgHdlr::NewL
// Two-phased constructor.
// -----------------------------------------------------------------------------
//
EXPORT_C CG729EncoderIntfcMsgHdlr* CG729EncoderIntfcMsgHdlr::NewL(
TAny* aG729EncoderIntfcCI)
{
CG729EncoderIntfc* errorConcealmentIntfcCI =
(CG729EncoderIntfc*)aG729EncoderIntfcCI;
CG729EncoderIntfcMsgHdlr* self =
new (ELeave) CG729EncoderIntfcMsgHdlr(errorConcealmentIntfcCI);
CleanupStack::PushL( self );
self->ConstructL();
CleanupStack::Pop( self );
return self;
}
// Destructor
EXPORT_C CG729EncoderIntfcMsgHdlr::~CG729EncoderIntfcMsgHdlr()
{
delete iG729EncoderIntfcCI;
}
// ---------------------------------------------------------
// CG729EncoderIntfcMsgHdlr::HandleRequest
// Handles the messages from the proxy.
// Calls a subfunction which determines which 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 CG729EncoderIntfcMsgHdlr::HandleRequest(
TMMFMessage& aMessage)
{
ASSERT(aMessage.Destination().InterfaceId() == KUidG729EncoderIntfc);
TRAPD(error,DoHandleRequestL(aMessage));
if(error)
{
aMessage.Complete(error);
}
}
// ---------------------------------------------------------
// CG729EncoderIntfcMsgHdlr::DoHandleRequestL
// Determines which custom interface to call.
// (other items were commented in a header).
// ---------------------------------------------------------
//
void CG729EncoderIntfcMsgHdlr::DoHandleRequestL(TMMFMessage& aMessage)
{
switch(aMessage.Function())
{
case EG729eimSetVadMode:
{
DoSetVadModeL(aMessage);
break;
}
case EG729eimGetVadMode:
{
DoGetVadModeL(aMessage);
break;
}
default:
{
aMessage.Complete(KErrNotSupported);
}
}
}
// ---------------------------------------------------------
// CG729EncoderIntfcMsgHdlr::DoSetVadModeL
// Handles the message from the proxy and calls the custom interface method.
// The data passed from the proxy is read from the message and passed to
// the custom interface.
// (other items were commented in a header).
// ---------------------------------------------------------
//
void CG729EncoderIntfcMsgHdlr::DoSetVadModeL(TMMFMessage& aMessage)
{
TPckgBuf<TBool> pckgBuf;
aMessage.ReadData1FromClientL(pckgBuf);
TInt status = iG729EncoderIntfcCI->SetVadMode(pckgBuf());
aMessage.Complete(status);
}
// ---------------------------------------------------------
// CG729EncoderIntfcMsgHdlr::DoGetVadModeL
// Handles the message from the proxy and calls the custom interface.
// The custom interface returns the data requested and this function
// writes it back to the proxy.
// (other items were commented in a header).
// ---------------------------------------------------------
//
void CG729EncoderIntfcMsgHdlr::DoGetVadModeL(TMMFMessage& aMessage)
{
TBool vadMode;
TInt status = iG729EncoderIntfcCI->GetVadMode(vadMode);
if (status == KErrNone)
{
TPckgBuf<TBool> pckgBuf;
pckgBuf() = vadMode;
aMessage.WriteDataToClientL(pckgBuf);
}
aMessage.Complete(status);
}
// End of File