diff -r 000000000000 -r 40261b775718 devsoundextensions/mmfcustominterfaces/G711DecoderIntfc/G711DecoderIntfcMsgHdlr/src/G711DecoderIntfcMsgHdlr.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/devsoundextensions/mmfcustominterfaces/G711DecoderIntfc/G711DecoderIntfcMsgHdlr/src/G711DecoderIntfcMsgHdlr.cpp Tue Feb 02 01:56:55 2010 +0200 @@ -0,0 +1,220 @@ +/* +* 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 G711 decoder interface +* +*/ + + + +// INCLUDE FILES +#include "G711DecoderIntfcMsgHdlr.h" +#include "G711DecoderIntfcMsgs.h" +#include + +// EXTERNAL DATA STRUCTURES + +// EXTERNAL FUNCTION PROTOTYPES + +// CONSTANTS + +// MACROS + +// LOCAL CONSTANTS AND MACROS + +// MODULE DATA STRUCTURES + +// LOCAL FUNCTION PROTOTYPES + +// FORWARD DECLARATIONS + +// ============================= LOCAL FUNCTIONS =============================== + +// ============================ MEMBER FUNCTIONS =============================== + +// ----------------------------------------------------------------------------- +// CG711DecoderIntfcMsgHdlr::CG711DecoderIntfcMsgHdlr +// C++ default constructor can NOT contain any code, that +// might leave. +// ----------------------------------------------------------------------------- +// +CG711DecoderIntfcMsgHdlr::CG711DecoderIntfcMsgHdlr( + CG711DecoderIntfc* aG711DecoderIntfcCI) : + CMMFObject(KUidG711DecoderIntfc) + { + iG711DecoderIntfcCI = aG711DecoderIntfcCI; + } + +// ----------------------------------------------------------------------------- +// CG711DecoderIntfcMsgHdlr::ConstructL +// Symbian 2nd phase constructor can leave. +// ----------------------------------------------------------------------------- +// +void CG711DecoderIntfcMsgHdlr::ConstructL() + { + } + +// ----------------------------------------------------------------------------- +// CG711DecoderIntfcMsgHdlr::NewL +// Two-phased constructor. +// ----------------------------------------------------------------------------- +// +EXPORT_C CG711DecoderIntfcMsgHdlr* CG711DecoderIntfcMsgHdlr::NewL( + TAny* aG711DecoderIntfcCI) + { + CG711DecoderIntfc* errorConcealmentIntfcCI = + (CG711DecoderIntfc*)aG711DecoderIntfcCI; + CG711DecoderIntfcMsgHdlr* self = + new (ELeave) CG711DecoderIntfcMsgHdlr(errorConcealmentIntfcCI); + CleanupStack::PushL( self ); + self->ConstructL(); + CleanupStack::Pop( self ); + + return self; + } + +// Destructor +EXPORT_C CG711DecoderIntfcMsgHdlr::~CG711DecoderIntfcMsgHdlr() + { + delete iG711DecoderIntfcCI; + } + +// --------------------------------------------------------- +// CG711DecoderIntfcMsgHdlr::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 CG711DecoderIntfcMsgHdlr::HandleRequest( + TMMFMessage& aMessage) + { + ASSERT(aMessage.Destination().InterfaceId() == KUidG711DecoderIntfc); + TRAPD(error,DoHandleRequestL(aMessage)); + if(error) + { + aMessage.Complete(error); + } + } + +// --------------------------------------------------------- +// CG711DecoderIntfcMsgHdlr::DoHandleRequestL +// Determines which custom interface to call. +// (other items were commented in a header). +// --------------------------------------------------------- +// +void CG711DecoderIntfcMsgHdlr::DoHandleRequestL(TMMFMessage& aMessage) + { + switch(aMessage.Function()) + { + case EG711dimSetDecoderMode: + { + DoSetDecoderModeL(aMessage); + break; + } + case EG711dimSetCng: + { + DoSetCngL(aMessage); + break; + } + case EG711dimGetCng: + { + DoGetCngL(aMessage); + break; + } + case EG711dimSetPlc: + { + DoSetPlcL(aMessage); + break; + } + default: + { + aMessage.Complete(KErrNotSupported); + } + } + } + +// --------------------------------------------------------- +// CG711DecoderIntfcMsgHdlr::DoSetDecoderModeL +// 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 CG711DecoderIntfcMsgHdlr::DoSetDecoderModeL(TMMFMessage& aMessage) + { + TPckgBuf pckgBuf; + aMessage.ReadData1FromClientL(pckgBuf); + TInt status = iG711DecoderIntfcCI->SetDecoderMode(pckgBuf()); + aMessage.Complete(status); + } + +// --------------------------------------------------------- +// CG711DecoderIntfcMsgHdlr::DoSetCngL +// 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 CG711DecoderIntfcMsgHdlr::DoSetCngL(TMMFMessage& aMessage) + { + TPckgBuf pckgBuf; + aMessage.ReadData1FromClientL(pckgBuf); + TInt status = iG711DecoderIntfcCI->SetCng(pckgBuf()); + aMessage.Complete(status); + } + +// --------------------------------------------------------- +// CG711DecoderIntfcMsgHdlr::DoGetCngL +// Handles the message from the proxy and calls the custom interface method. +// The custom interface returns the data requested and this function +// writes it back to the proxy. +// (other items were commented in a header). +// --------------------------------------------------------- +// +void CG711DecoderIntfcMsgHdlr::DoGetCngL(TMMFMessage& aMessage) + { + TBool cng; + TInt status = iG711DecoderIntfcCI->GetCng(cng); + if (status == KErrNone) + { + TPckgBuf pckgBuf; + pckgBuf() = cng; + aMessage.WriteDataToClientL(pckgBuf); + } + aMessage.Complete(status); + } + +// --------------------------------------------------------- +// CG711DecoderIntfcMsgHdlr::DoSetPlcL +// 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 CG711DecoderIntfcMsgHdlr::DoSetPlcL(TMMFMessage& aMessage) + { + TPckgBuf pckgBuf; + aMessage.ReadData1FromClientL(pckgBuf); + TInt status = iG711DecoderIntfcCI->SetPlc(pckgBuf()); + aMessage.Complete(status); + } + + + +// End of File