diff -r 000000000000 -r bde4ae8d615e os/mm/devsound/devsoundpluginsupport/src/CustomInterfaces/dspcontrolci.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/mm/devsound/devsoundpluginsupport/src/CustomInterfaces/dspcontrolci.cpp	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,407 @@
+// Copyright (c) 2007-2009 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:
+//
+
+#include <ecom/implementationproxy.h>
+#include <ecom/implementationproxy.h>
+#include <ecom/ecom.h>
+#include <s32mem.h>
+
+#include "dspcontrolci.h"
+
+
+// MUX //
+
+TInt CMMFDspControlMux::OpenInterface(TUid /*aInterfaceId*/)
+	{
+	// attempt to open the interface link with the
+	// remote slave device
+	iRemoteHandle = -1;
+	TUid slaveId = {KMmfUidCustomInterfaceDspControlDeMux};
+
+	TInt handle = iUtility->OpenSlave(slaveId, KNullDesC8);
+	if (handle >= 0)
+		{
+		iRemoteHandle = handle;
+		}
+
+	return iRemoteHandle;
+	}
+
+
+void CMMFDspControlMux::Release()
+	{
+	// close the slave device if it exists
+	if (iRemoteHandle > 0)
+		{
+		// we assume the slave is closed correctly
+		iUtility->CloseSlave(iRemoteHandle);
+		}
+
+	TUid key = iKey;
+	delete this;
+
+	// tell ECom to destroy us
+	REComSession::DestroyedImplementation(key);
+	}
+
+
+void CMMFDspControlMux::PassDestructorKey(TUid aDestructorKey)
+	{
+	// store the destructor key
+	iKey = aDestructorKey;
+	}
+
+
+void CMMFDspControlMux::CompleteConstructL(MMMFDevSoundCustomInterfaceMuxUtility* aCustomUtility)
+	{
+	// store a pointer to the utility
+	iUtility = aCustomUtility;
+	}
+
+
+MMMFDevSoundCustomInterfaceMuxPlugin* CMMFDspControlMux::NewL()
+	{
+	CMMFDspControlMux* self = new (ELeave) CMMFDspControlMux;
+	return self;
+	}
+
+
+TAny* CMMFDspControlMux::CustomInterface(TUid /*aInterfaceId*/)
+	{
+	MMMFDSPControl* interface = this;
+	return interface;
+	}
+
+
+CMMFDspControlMux::CMMFDspControlMux() :
+	iRemoteHandle(-1)
+	{
+	}
+
+
+CMMFDspControlMux::~CMMFDspControlMux()
+	{
+	}
+
+
+// from MMMFDSPControl
+TInt CMMFDspControlMux::MmdspcGetAudioPlaybackInfo (TInt64& aSamplesPlayed,
+													TInt64& aSystemTime,
+													TUint& aBytesDecoderConsumed,
+													TUint& aBytesDecoderDecoded)
+	{
+	TInt result = KErrBadHandle;
+
+	if (iRemoteHandle > 0)
+		{
+		// holds the returned value
+		TPckgBuf<TAudioPlaybackInfo> returnVal;
+
+		// any return code other than zero is an error
+		result = iUtility->SendSlaveSyncCommandResult(iRemoteHandle,
+													  EMMFDevSoundCIDspCtrlGetAudioPlaybackInfo,
+													  KNullDesC8,
+													  returnVal);
+
+		// assign returned value to the individual parameter. Do nothing if there is an error
+		if(result == KErrNone)
+			{
+			aSamplesPlayed = returnVal().iSamplesPlayed;
+			aSystemTime = returnVal().iSystemTime;
+			aBytesDecoderConsumed = returnVal().iBytesDecoderConsumed;
+			aBytesDecoderDecoded = returnVal().iBytesDecoderDecoded;
+			}
+		}
+
+	return result;
+	}
+
+
+// from MMMFDSPControl
+TInt CMMFDspControlMux::MmdspcAcceptRecordBuffersInvalidFollowingStop()
+	{
+	TInt result = KErrBadHandle;
+
+	if (iRemoteHandle > 0)
+		{
+		// any return code other than zero is an error
+		result = iUtility->SendSlaveSyncCommand(iRemoteHandle,
+												EMMFDevSoundCIDspCtrlAcceptRecordBuffersInvalidFollowingStop,
+												KNullDesC8);
+		}
+
+	return result;
+	}
+
+
+// from MMMFDSPControl
+TInt CMMFDspControlMux::MmdspcAcceptPlaybackBuffersInvalidFollowingStop()
+	{
+	TInt result = KErrBadHandle;
+
+	if (iRemoteHandle > 0)
+		{
+		// any return code other than zero is an error
+		result = iUtility->SendSlaveSyncCommand(iRemoteHandle,
+												EMMFDevSoundCIDspCtrlAcceptPlaybackBuffersInvalidFollowingStop,
+												KNullDesC8);
+		}
+
+	return result;
+	}
+
+
+
+// DEMUX //	
+
+TInt CMMFDspControlDeMux::OpenInterface(TUid /*aInterfaceId*/)
+	{
+	return KErrNone;
+	}
+
+
+void CMMFDspControlDeMux::Release()
+	{
+	TUid key = iKey;
+
+	delete this;
+
+	// tell ECom to destroy us
+	REComSession::DestroyedImplementation(key);
+	}
+
+
+void CMMFDspControlDeMux::PassDestructorKey(TUid aDestructorKey)
+	{
+	// store the destructor key
+	iKey = aDestructorKey;
+	}
+
+
+void CMMFDspControlDeMux::SetInterfaceTarget(MMMFDevSoundCustomInterfaceTarget* aTarget)
+	{
+	iTarget = aTarget;
+	}
+
+
+void CMMFDspControlDeMux::CompleteConstructL(MMMFDevSoundCustomInterfaceDeMuxUtility* aCustomUtility)
+	{
+	// store a pointer to the utility
+	iUtility = aCustomUtility;
+	}
+
+
+void CMMFDspControlDeMux::RefreshL()
+	{
+	// refetch the DSP Control  custom interface if we already have a target
+	if (iTarget)
+		{
+		iInterfaceDspControl = static_cast <MMMFDSPControl*> (iTarget->CustomInterface(KUidDSPControl));
+
+		if (!iInterfaceDspControl)
+			{
+			iInterfaceDspControl = NULL;
+			User::Leave(KErrNotSupported);
+			}
+		}
+	}
+
+
+MMMFDevSoundCustomInterfaceDeMuxPlugin* CMMFDspControlDeMux::NewL()
+	{
+	CMMFDspControlDeMux* self = new (ELeave) CMMFDspControlDeMux;
+	return self;
+	}
+
+
+CMMFDspControlDeMux::CMMFDspControlDeMux()
+	{
+	}
+
+
+CMMFDspControlDeMux::~CMMFDspControlDeMux()
+	{
+	}
+
+
+TInt CMMFDspControlDeMux::DoOpenSlaveL(TUid /*aInterface*/, const TDesC8& /*aPackageBuf*/)
+	{
+	// fetch the DSP Control  Hw Device custom interface
+	iInterfaceDspControl = static_cast<MMMFDSPControl*> (iTarget->CustomInterface(KUidDSPControl)); 
+
+	if (!iInterfaceDspControl)
+		{
+		iInterfaceDspControl = NULL;
+		User::Leave(KErrNotSupported);
+		}
+
+	return KErrNone;
+	}
+
+
+void CMMFDspControlDeMux::DoCloseSlaveL(TInt /*aHandle*/)
+	{
+	// nothing to do
+	}
+
+
+// original RMessage is supplied so that remote demux plugin can extract necessary details
+// using DeMux utility
+TInt CMMFDspControlDeMux::DoSendSlaveSyncCommandL(const RMmfIpcMessage& aMessage)
+	{
+	TMMFDevSoundCIMessageData data;
+	TInt result = KErrGeneral;
+
+	// decode message
+	iUtility->GetSyncMessageDataL(aMessage, data);
+
+	switch (data.iCommand)
+		{
+		case EMMFDevSoundCIDspCtrlAcceptRecordBuffersInvalidFollowingStop:
+			{
+			result = DoMmdspcAcceptRecordBuffersInvalidFollowingStopL();
+
+			break;
+			}
+		case EMMFDevSoundCIDspCtrlAcceptPlaybackBuffersInvalidFollowingStop:
+			{
+			result = DoMmdspcAcceptPlaybackBuffersInvalidFollowingStopL();
+
+			break;
+			}
+		default:
+			{
+			User::Leave(KErrNotSupported);
+			}
+		}
+
+	return result;
+	}
+
+
+// original RMessage is supplied so that remote demux plugin can extract necessary details
+// using DeMux utility
+TInt CMMFDspControlDeMux::DoSendSlaveSyncCommandResultL(const RMmfIpcMessage& aMessage)
+	{
+	TMMFDevSoundCIMessageData data;
+	TInt result = KErrGeneral;
+
+	// decode message
+	iUtility->GetSyncMessageDataL(aMessage, data);
+
+	switch (data.iCommand)
+		{
+		case EMMFDevSoundCIDspCtrlGetAudioPlaybackInfo:
+			{
+			TPckgBuf<TAudioPlaybackInfo> pckData;
+
+			iUtility->ReadFromInputDesL(aMessage, &pckData);
+
+			result = DoMmdspcGetAudioPlaybackInfoL(pckData().iSamplesPlayed,
+												   pckData().iSystemTime,
+												   pckData().iBytesDecoderConsumed,
+												   pckData().iBytesDecoderDecoded);
+
+			TPckgBuf<TAudioPlaybackInfo> des(pckData());
+			iUtility->WriteToOutputDesL(aMessage, des);
+
+			break;
+			}
+		default:
+			{
+			User::Leave(KErrNotSupported);
+			}
+		}
+
+	return result;
+	}
+
+
+void CMMFDspControlDeMux::DoSendSlaveAsyncCommandL(const RMmfIpcMessage& /*aMessage*/)
+	{
+	// not used in this interface
+	}
+
+
+void CMMFDspControlDeMux::DoSendSlaveAsyncCommandResultL(const RMmfIpcMessage& /*aMessage*/)
+	{
+	// not used in this interface
+	}
+
+
+TInt CMMFDspControlDeMux::DoMmdspcAcceptRecordBuffersInvalidFollowingStopL()
+	{
+	TInt result = KErrNotFound;
+
+	if (iInterfaceDspControl)
+		{
+		result = iInterfaceDspControl->MmdspcAcceptRecordBuffersInvalidFollowingStop();
+		}
+
+	return result;
+	}
+
+
+TInt CMMFDspControlDeMux::DoMmdspcAcceptPlaybackBuffersInvalidFollowingStopL()
+	{
+	TInt result = KErrNotFound;
+
+	if (iInterfaceDspControl)
+		{
+		result = iInterfaceDspControl->MmdspcAcceptPlaybackBuffersInvalidFollowingStop();
+		}
+
+	return result;
+	}
+
+
+TInt CMMFDspControlDeMux::DoMmdspcGetAudioPlaybackInfoL(TInt64& aSamplesPlayed,
+														TInt64& aSystemTime,
+														TUint& aBytesDecoderConsumed,
+														TUint& aBytesDecoderDecoded)
+	{
+	TInt result = KErrNotFound;
+
+	if (iInterfaceDspControl)
+		{
+		result = iInterfaceDspControl->MmdspcGetAudioPlaybackInfo(aSamplesPlayed,
+																  aSystemTime,
+																  aBytesDecoderConsumed,
+																  aBytesDecoderDecoded);
+		}
+
+	return result;
+	}
+
+
+//
+// ImplementationTable
+//
+const TImplementationProxy ImplementationTable[] = 
+	{
+	IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfaceDspControlMux,		CMMFDspControlMux::NewL),
+	IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfaceDspControlDeMux,	CMMFDspControlDeMux::NewL),
+	};
+
+//
+// ImplementationGroupProxy
+//
+EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)
+	{
+	aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);
+
+	return ImplementationTable;
+	}
+