--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/devsound/devsoundpluginsupport/src/CustomInterfaces/bufferframesconfigci.cpp	Tue Feb 02 01:56:55 2010 +0200
@@ -0,0 +1,360 @@
+// 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 "bufferframesconfigci.h"
+
+// Helper class to pass data over process boundary
+class TFrameInfo
+	{
+public:
+	TInt iFrameCount;
+	TInt iSamplesPerFrame;	
+	};
+
+// MUX //
+/*****************************************************************************/
+
+TInt CMMFBufferFramesConfigMux::OpenInterface(TUid /*aInterfaceId*/)
+	{
+	// attempt to open the interface link with the
+	// remote slave device
+	iRemoteHandle = -1;
+	TUid slaveId = {KMmfUidCustomInterfaceBufferFramesConfigDeMux};
+		
+	TInt handle = iUtility->OpenSlave(slaveId, KNullDesC8);
+	if (handle >= 0)
+		{
+		iRemoteHandle = handle;
+		}
+		
+	return iRemoteHandle;
+	}
+
+/*****************************************************************************/
+void CMMFBufferFramesConfigMux::Release()
+	{
+	// close the slave device if it exists
+	if (iRemoteHandle > 0)
+		{
+		// we assume the slave is closed correctly
+		iUtility->CloseSlave(iRemoteHandle);
+		}
+	
+	TUid key = iDestructorKey;
+	delete this;
+	
+	// tell ECom to destroy us
+	REComSession::DestroyedImplementation(key);
+	}
+
+/*****************************************************************************/	
+void CMMFBufferFramesConfigMux::PassDestructorKey(TUid aDestructorKey)
+	{
+	// store the destructor key
+	iDestructorKey = aDestructorKey;
+	}
+
+/*****************************************************************************/
+void CMMFBufferFramesConfigMux::CompleteConstructL(MMMFDevSoundCustomInterfaceMuxUtility* aCustomUtility)
+	{
+	// store a pointer to the utility
+	iUtility = aCustomUtility;
+	}
+
+/*****************************************************************************/	
+MMMFDevSoundCustomInterfaceMuxPlugin* CMMFBufferFramesConfigMux::NewL()
+	{
+	CMMFBufferFramesConfigMux* self = new (ELeave) CMMFBufferFramesConfigMux;
+	return self;
+	}
+
+/*****************************************************************************/	
+TAny* CMMFBufferFramesConfigMux::CustomInterface(TUid /*aInterfaceId*/)
+	{
+	MMMFBufferFramesConfig* interface = this;
+	return interface;
+	}
+	
+/*****************************************************************************/
+CMMFBufferFramesConfigMux::CMMFBufferFramesConfigMux() :
+	iRemoteHandle(-1)
+	{	
+	}
+
+/*****************************************************************************/
+CMMFBufferFramesConfigMux::~CMMFBufferFramesConfigMux()
+	{	
+	}
+
+/*****************************************************************************/
+// from MMMFBufferFramesConfig
+TInt CMMFBufferFramesConfigMux::MmbfcSetNumberOfFramesPerInputBuffer(TInt aFrameCount, TInt aSamplesPerFrame)
+	{
+	if (iRemoteHandle > 0)
+		{
+		TFrameInfo info;
+		info.iFrameCount = aFrameCount;
+		info.iSamplesPerFrame = aSamplesPerFrame;
+	
+		TPckgBuf<TFrameInfo> pckgBuf(info);
+		// send the frame information in the sync command
+		// any return code other than zero is an error
+		return iUtility->SendSlaveSyncCommand(iRemoteHandle, EMMFDevSoundCIInputBufferFramesConfig, 
+												pckgBuf);
+		}
+	else
+		{
+		return KErrNotReady;
+		}
+	}
+	
+TInt CMMFBufferFramesConfigMux::MmbfcSetNumberOfFramesPerOutputBuffer(TInt aFrameCount, TInt aSamplesPerFrame)
+	{
+	if (iRemoteHandle > 0)
+		{
+		TFrameInfo info;
+		info.iFrameCount = aFrameCount;
+		info.iSamplesPerFrame = aSamplesPerFrame;
+		
+		TPckgBuf<TFrameInfo> pckgBuf(info);
+		// send the frame information in the sync command
+		// any return code other than zero is an error
+		return iUtility->SendSlaveSyncCommand(iRemoteHandle, EMMFDevSoundCIOutputBufferFramesConfig, 
+												pckgBuf);
+		}
+	else
+		{
+		return KErrNotReady;
+		}
+	}
+
+
+
+// DEMUX //	
+/*****************************************************************************/
+TInt CMMFBufferFramesConfigDeMux::OpenInterface(TUid /*aInterfaceId*/)
+	{
+	return KErrNone;
+	}
+
+/*****************************************************************************/	
+void CMMFBufferFramesConfigDeMux::Release()
+	{
+	TUid key = iDestructorKey;
+	
+	delete this;
+	
+	// tell ECom to destroy us
+	REComSession::DestroyedImplementation(key);
+	}
+	
+/*****************************************************************************/	
+void CMMFBufferFramesConfigDeMux::PassDestructorKey(TUid aDestructorKey)
+	{
+	// store the destructor key
+	iDestructorKey = aDestructorKey;
+	}
+	
+/*****************************************************************************/	
+void CMMFBufferFramesConfigDeMux::SetInterfaceTarget(MMMFDevSoundCustomInterfaceTarget* aTarget)
+	{
+	iTarget = aTarget;
+	}
+
+/*****************************************************************************/	
+void CMMFBufferFramesConfigDeMux::CompleteConstructL(MMMFDevSoundCustomInterfaceDeMuxUtility* aCustomUtility)
+	{
+	// store a pointer to the utility
+	iUtility = aCustomUtility;
+	}
+
+/*****************************************************************************/
+void CMMFBufferFramesConfigDeMux::RefreshL()
+	{
+	// refetch the buffer frames configuration custom interface if we already have a target
+	if (iTarget)
+		{
+		MMMFBufferFramesConfig* ptr = NULL;
+
+		ptr = static_cast <MMMFBufferFramesConfig*> (iTarget->CustomInterface(KUidBufferFramesConfig));
+	
+		if (!ptr)
+			{
+			iInterfaceBufferFramesConfig = NULL;
+			User::Leave(KErrNotSupported);
+			}
+		else
+			{
+			iInterfaceBufferFramesConfig = ptr;
+			}	
+		}
+	}
+
+/*****************************************************************************/
+MMMFDevSoundCustomInterfaceDeMuxPlugin* CMMFBufferFramesConfigDeMux::NewL()
+	{
+	CMMFBufferFramesConfigDeMux* self = new (ELeave) CMMFBufferFramesConfigDeMux;
+	return self;
+	}
+
+/*****************************************************************************/	
+CMMFBufferFramesConfigDeMux::CMMFBufferFramesConfigDeMux()
+	{	
+	}
+
+/*****************************************************************************/
+CMMFBufferFramesConfigDeMux::~CMMFBufferFramesConfigDeMux()
+	{
+	}
+
+/*****************************************************************************/
+TInt CMMFBufferFramesConfigDeMux::DoOpenSlaveL(TUid /*aInterface*/, const TDesC8& /*aPackageBuf*/)
+	{
+	// fetch the buffer frames configuration Hw Device custom interface
+	MMMFBufferFramesConfig* ptr = NULL;
+
+	ptr = static_cast<MMMFBufferFramesConfig*> (iTarget->CustomInterface(KUidBufferFramesConfig)); 
+	
+	if (!ptr)
+		{
+		iInterfaceBufferFramesConfig = NULL;
+		User::Leave(KErrNotSupported);
+		}
+	else
+		{
+		iInterfaceBufferFramesConfig = ptr;
+		}
+	return KErrNone;
+	}
+	
+/*****************************************************************************/	
+void CMMFBufferFramesConfigDeMux::DoCloseSlaveL(TInt /*aHandle*/)
+	{
+	// nothing to do
+	}
+
+/*****************************************************************************/
+// original RMessage is supplied so that remote demux plugin can extract necessary details
+// using DeMux utility
+TInt CMMFBufferFramesConfigDeMux::DoSendSlaveSyncCommandL(const RMmfIpcMessage& aMessage)
+	{
+	TMMFDevSoundCIMessageData data;
+
+	TInt retVal = KErrNone;
+	
+	// decode message
+	iUtility->GetSyncMessageDataL(aMessage, data);
+	
+	switch (data.iCommand)
+		{
+		case EMMFDevSoundCIInputBufferFramesConfig:
+			{
+			TPckgBuf<TFrameInfo> info; 
+			iUtility->ReadFromInputDesL(aMessage, &info);
+			
+			retVal = DoMmbfcSetNumberOfFramesPerInputBuffer(info().iFrameCount, info().iSamplesPerFrame);
+			break;
+			}
+		case EMMFDevSoundCIOutputBufferFramesConfig:
+			{
+			TPckgBuf<TFrameInfo> info; 
+			iUtility->ReadFromInputDesL(aMessage, &info);
+			retVal = DoMmbfcSetNumberOfFramesPerOutputBuffer(info().iFrameCount, info().iSamplesPerFrame);
+			break;
+			}
+		default:
+			{
+			User::Leave(KErrNotSupported);
+			}
+		}
+	return retVal;
+	}
+	
+/*****************************************************************************/	
+TInt CMMFBufferFramesConfigDeMux::DoSendSlaveSyncCommandResultL(const RMmfIpcMessage& /*aMessage*/)
+	{
+	return KErrNone;
+	}
+	
+/*****************************************************************************/	
+void CMMFBufferFramesConfigDeMux::DoSendSlaveAsyncCommandL(const RMmfIpcMessage& /*aMessage*/)
+	{
+	// not used in this interface
+	}
+	
+/*****************************************************************************/	
+void CMMFBufferFramesConfigDeMux::DoSendSlaveAsyncCommandResultL(const RMmfIpcMessage& /*aMessage*/)
+	{
+	// not used in this interface
+	}
+
+/*****************************************************************************/
+// Buffer frames config custom interface implementation
+TInt CMMFBufferFramesConfigDeMux::DoMmbfcSetNumberOfFramesPerInputBuffer(TInt aFrameCount,
+																		TInt aSamplesPerFrame)
+	{
+	if (!iInterfaceBufferFramesConfig)
+		{
+		return KErrNotReady;
+		}
+	else
+		{
+		return iInterfaceBufferFramesConfig->MmbfcSetNumberOfFramesPerInputBuffer(aFrameCount,
+																					aSamplesPerFrame);
+		}		
+	}
+
+TInt CMMFBufferFramesConfigDeMux::DoMmbfcSetNumberOfFramesPerOutputBuffer(TInt aFrameCount,
+																			TInt aSamplesPerFrame)
+	{
+	if (!iInterfaceBufferFramesConfig)
+		{
+		return KErrNotReady;
+		}
+	else
+		{
+		return iInterfaceBufferFramesConfig->MmbfcSetNumberOfFramesPerOutputBuffer(aFrameCount,
+																					aSamplesPerFrame);
+		}		
+	}
+
+/*****************************************************************************/
+//
+// ImplementationTable
+//
+
+const TImplementationProxy ImplementationTable[] = 
+	{
+	IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfaceBufferFramesConfigMux, CMMFBufferFramesConfigMux::NewL),
+	IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfaceBufferFramesConfigDeMux, CMMFBufferFramesConfigDeMux::NewL),
+	};
+
+/*****************************************************************************/
+//
+// ImplementationGroupProxy
+//
+//
+
+EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)
+	{
+	aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);
+
+	return ImplementationTable;
+	}
+
+