diff -r 000000000000 -r bde4ae8d615e os/mm/devsoundextensions/mmfcustominterfaces/G711EncoderIntfc/G711EncoderIntfcMsgHdlr/src/G711EncoderIntfcMsgHdlr.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/os/mm/devsoundextensions/mmfcustominterfaces/G711EncoderIntfc/G711EncoderIntfcMsgHdlr/src/G711EncoderIntfcMsgHdlr.cpp Fri Jun 15 03:10:57 2012 +0200 @@ -0,0 +1,200 @@ +/* +* 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 encoder interface +* +*/ + + + +// INCLUDE FILES +#include "G711EncoderIntfcMsgHdlr.h" +#include "G711EncoderIntfcMsgs.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 =============================== + +// ----------------------------------------------------------------------------- +// CG711EncoderIntfcMsgHdlr::CG711EncoderIntfcMsgHdlr +// C++ default constructor can NOT contain any code, that +// might leave. +// ----------------------------------------------------------------------------- +// +CG711EncoderIntfcMsgHdlr::CG711EncoderIntfcMsgHdlr( + CG711EncoderIntfc* aG711EncoderIntfcCI) : + CMMFObject(KUidG711EncoderIntfc) + { + iG711EncoderIntfcCI = aG711EncoderIntfcCI; + } + +// ----------------------------------------------------------------------------- +// CG711EncoderIntfcMsgHdlr::ConstructL +// Symbian 2nd phase constructor can leave. +// ----------------------------------------------------------------------------- +// +void CG711EncoderIntfcMsgHdlr::ConstructL() + { + } + +// ----------------------------------------------------------------------------- +// CG711EncoderIntfcMsgHdlr::NewL +// Two-phased constructor. +// ----------------------------------------------------------------------------- +// +EXPORT_C CG711EncoderIntfcMsgHdlr* CG711EncoderIntfcMsgHdlr::NewL( + TAny* aG711EncoderIntfcCI) + { + CG711EncoderIntfc* errorConcealmentIntfcCI = + (CG711EncoderIntfc*)aG711EncoderIntfcCI; + CG711EncoderIntfcMsgHdlr* self = + new (ELeave) CG711EncoderIntfcMsgHdlr(errorConcealmentIntfcCI); + CleanupStack::PushL( self ); + self->ConstructL(); + CleanupStack::Pop( self ); + + return self; + } + +// Destructor +EXPORT_C CG711EncoderIntfcMsgHdlr::~CG711EncoderIntfcMsgHdlr() + { + delete iG711EncoderIntfcCI; + } + +// --------------------------------------------------------- +// CG711EncoderIntfcMsgHdlr::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 CG711EncoderIntfcMsgHdlr::HandleRequest( + TMMFMessage& aMessage) + { + ASSERT(aMessage.Destination().InterfaceId() == KUidG711EncoderIntfc); + TRAPD(error,DoHandleRequestL(aMessage)); + if(error) + { + aMessage.Complete(error); + } + } + +// --------------------------------------------------------- +// CG711EncoderIntfcMsgHdlr::DoHandleRequestL +// Determines which custom interface to call. +// (other items were commented in a header). +// --------------------------------------------------------- +// +void CG711EncoderIntfcMsgHdlr::DoHandleRequestL(TMMFMessage& aMessage) + { + switch(aMessage.Function()) + { + case EG711eimSetEncoderMode: + { + DoSetEncoderModeL(aMessage); + break; + } + case EG711eimSetVadMode: + { + DoSetVadModeL(aMessage); + break; + } + case EG711eimGetVadMode: + { + DoGetVadModeL(aMessage); + break; + } + default: + { + aMessage.Complete(KErrNotSupported); + } + } + } + +// --------------------------------------------------------- +// CG711EncoderIntfcMsgHdlr::DoSetEncoderModeL +// 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 CG711EncoderIntfcMsgHdlr::DoSetEncoderModeL(TMMFMessage& aMessage) + { + TPckgBuf pckgBuf; + aMessage.ReadData1FromClientL(pckgBuf); + TInt status = iG711EncoderIntfcCI->SetEncoderMode(pckgBuf()); + aMessage.Complete(status); + } + +// --------------------------------------------------------- +// CG711EncoderIntfcMsgHdlr::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 CG711EncoderIntfcMsgHdlr::DoSetVadModeL(TMMFMessage& aMessage) + { + TPckgBuf pckgBuf; + aMessage.ReadData1FromClientL(pckgBuf); + TInt status = iG711EncoderIntfcCI->SetVadMode(pckgBuf()); + aMessage.Complete(status); + } + +// --------------------------------------------------------- +// CG711EncoderIntfcMsgHdlr::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 CG711EncoderIntfcMsgHdlr::DoGetVadModeL(TMMFMessage& aMessage) + { + TBool vadMode; + TInt status = iG711EncoderIntfcCI->GetVadMode(vadMode); + if (status == KErrNone) + { + TPckgBuf pckgBuf; + pckgBuf() = vadMode; + aMessage.WriteDataToClientL(pckgBuf); + } + aMessage.Complete(status); + } + + + + +// End of File