sl@0: // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: #include <ecom/implementationproxy.h>
sl@0: #include <ecom/implementationproxy.h>
sl@0: #include <ecom/ecom.h>
sl@0: #include "bufferframesconfigci.h"
sl@0: 
sl@0: // Helper class to pass data over process boundary
sl@0: class TFrameInfo
sl@0: 	{
sl@0: public:
sl@0: 	TInt iFrameCount;
sl@0: 	TInt iSamplesPerFrame;	
sl@0: 	};
sl@0: 
sl@0: // MUX //
sl@0: /*****************************************************************************/
sl@0: 
sl@0: TInt CMMFBufferFramesConfigMux::OpenInterface(TUid /*aInterfaceId*/)
sl@0: 	{
sl@0: 	// attempt to open the interface link with the
sl@0: 	// remote slave device
sl@0: 	iRemoteHandle = -1;
sl@0: 	TUid slaveId = {KMmfUidCustomInterfaceBufferFramesConfigDeMux};
sl@0: 		
sl@0: 	TInt handle = iUtility->OpenSlave(slaveId, KNullDesC8);
sl@0: 	if (handle >= 0)
sl@0: 		{
sl@0: 		iRemoteHandle = handle;
sl@0: 		}
sl@0: 		
sl@0: 	return iRemoteHandle;
sl@0: 	}
sl@0: 
sl@0: /*****************************************************************************/
sl@0: void CMMFBufferFramesConfigMux::Release()
sl@0: 	{
sl@0: 	// close the slave device if it exists
sl@0: 	if (iRemoteHandle > 0)
sl@0: 		{
sl@0: 		// we assume the slave is closed correctly
sl@0: 		iUtility->CloseSlave(iRemoteHandle);
sl@0: 		}
sl@0: 	
sl@0: 	TUid key = iDestructorKey;
sl@0: 	delete this;
sl@0: 	
sl@0: 	// tell ECom to destroy us
sl@0: 	REComSession::DestroyedImplementation(key);
sl@0: 	}
sl@0: 
sl@0: /*****************************************************************************/	
sl@0: void CMMFBufferFramesConfigMux::PassDestructorKey(TUid aDestructorKey)
sl@0: 	{
sl@0: 	// store the destructor key
sl@0: 	iDestructorKey = aDestructorKey;
sl@0: 	}
sl@0: 
sl@0: /*****************************************************************************/
sl@0: void CMMFBufferFramesConfigMux::CompleteConstructL(MMMFDevSoundCustomInterfaceMuxUtility* aCustomUtility)
sl@0: 	{
sl@0: 	// store a pointer to the utility
sl@0: 	iUtility = aCustomUtility;
sl@0: 	}
sl@0: 
sl@0: /*****************************************************************************/	
sl@0: MMMFDevSoundCustomInterfaceMuxPlugin* CMMFBufferFramesConfigMux::NewL()
sl@0: 	{
sl@0: 	CMMFBufferFramesConfigMux* self = new (ELeave) CMMFBufferFramesConfigMux;
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: /*****************************************************************************/	
sl@0: TAny* CMMFBufferFramesConfigMux::CustomInterface(TUid /*aInterfaceId*/)
sl@0: 	{
sl@0: 	MMMFBufferFramesConfig* interface = this;
sl@0: 	return interface;
sl@0: 	}
sl@0: 	
sl@0: /*****************************************************************************/
sl@0: CMMFBufferFramesConfigMux::CMMFBufferFramesConfigMux() :
sl@0: 	iRemoteHandle(-1)
sl@0: 	{	
sl@0: 	}
sl@0: 
sl@0: /*****************************************************************************/
sl@0: CMMFBufferFramesConfigMux::~CMMFBufferFramesConfigMux()
sl@0: 	{	
sl@0: 	}
sl@0: 
sl@0: /*****************************************************************************/
sl@0: // from MMMFBufferFramesConfig
sl@0: TInt CMMFBufferFramesConfigMux::MmbfcSetNumberOfFramesPerInputBuffer(TInt aFrameCount, TInt aSamplesPerFrame)
sl@0: 	{
sl@0: 	if (iRemoteHandle > 0)
sl@0: 		{
sl@0: 		TFrameInfo info;
sl@0: 		info.iFrameCount = aFrameCount;
sl@0: 		info.iSamplesPerFrame = aSamplesPerFrame;
sl@0: 	
sl@0: 		TPckgBuf<TFrameInfo> pckgBuf(info);
sl@0: 		// send the frame information in the sync command
sl@0: 		// any return code other than zero is an error
sl@0: 		return iUtility->SendSlaveSyncCommand(iRemoteHandle, EMMFDevSoundCIInputBufferFramesConfig, 
sl@0: 												pckgBuf);
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		return KErrNotReady;
sl@0: 		}
sl@0: 	}
sl@0: 	
sl@0: TInt CMMFBufferFramesConfigMux::MmbfcSetNumberOfFramesPerOutputBuffer(TInt aFrameCount, TInt aSamplesPerFrame)
sl@0: 	{
sl@0: 	if (iRemoteHandle > 0)
sl@0: 		{
sl@0: 		TFrameInfo info;
sl@0: 		info.iFrameCount = aFrameCount;
sl@0: 		info.iSamplesPerFrame = aSamplesPerFrame;
sl@0: 		
sl@0: 		TPckgBuf<TFrameInfo> pckgBuf(info);
sl@0: 		// send the frame information in the sync command
sl@0: 		// any return code other than zero is an error
sl@0: 		return iUtility->SendSlaveSyncCommand(iRemoteHandle, EMMFDevSoundCIOutputBufferFramesConfig, 
sl@0: 												pckgBuf);
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		return KErrNotReady;
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: 
sl@0: 
sl@0: // DEMUX //	
sl@0: /*****************************************************************************/
sl@0: TInt CMMFBufferFramesConfigDeMux::OpenInterface(TUid /*aInterfaceId*/)
sl@0: 	{
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: /*****************************************************************************/	
sl@0: void CMMFBufferFramesConfigDeMux::Release()
sl@0: 	{
sl@0: 	TUid key = iDestructorKey;
sl@0: 	
sl@0: 	delete this;
sl@0: 	
sl@0: 	// tell ECom to destroy us
sl@0: 	REComSession::DestroyedImplementation(key);
sl@0: 	}
sl@0: 	
sl@0: /*****************************************************************************/	
sl@0: void CMMFBufferFramesConfigDeMux::PassDestructorKey(TUid aDestructorKey)
sl@0: 	{
sl@0: 	// store the destructor key
sl@0: 	iDestructorKey = aDestructorKey;
sl@0: 	}
sl@0: 	
sl@0: /*****************************************************************************/	
sl@0: void CMMFBufferFramesConfigDeMux::SetInterfaceTarget(MMMFDevSoundCustomInterfaceTarget* aTarget)
sl@0: 	{
sl@0: 	iTarget = aTarget;
sl@0: 	}
sl@0: 
sl@0: /*****************************************************************************/	
sl@0: void CMMFBufferFramesConfigDeMux::CompleteConstructL(MMMFDevSoundCustomInterfaceDeMuxUtility* aCustomUtility)
sl@0: 	{
sl@0: 	// store a pointer to the utility
sl@0: 	iUtility = aCustomUtility;
sl@0: 	}
sl@0: 
sl@0: /*****************************************************************************/
sl@0: void CMMFBufferFramesConfigDeMux::RefreshL()
sl@0: 	{
sl@0: 	// refetch the buffer frames configuration custom interface if we already have a target
sl@0: 	if (iTarget)
sl@0: 		{
sl@0: 		MMMFBufferFramesConfig* ptr = NULL;
sl@0: 
sl@0: 		ptr = static_cast <MMMFBufferFramesConfig*> (iTarget->CustomInterface(KUidBufferFramesConfig));
sl@0: 	
sl@0: 		if (!ptr)
sl@0: 			{
sl@0: 			iInterfaceBufferFramesConfig = NULL;
sl@0: 			User::Leave(KErrNotSupported);
sl@0: 			}
sl@0: 		else
sl@0: 			{
sl@0: 			iInterfaceBufferFramesConfig = ptr;
sl@0: 			}	
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: /*****************************************************************************/
sl@0: MMMFDevSoundCustomInterfaceDeMuxPlugin* CMMFBufferFramesConfigDeMux::NewL()
sl@0: 	{
sl@0: 	CMMFBufferFramesConfigDeMux* self = new (ELeave) CMMFBufferFramesConfigDeMux;
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: /*****************************************************************************/	
sl@0: CMMFBufferFramesConfigDeMux::CMMFBufferFramesConfigDeMux()
sl@0: 	{	
sl@0: 	}
sl@0: 
sl@0: /*****************************************************************************/
sl@0: CMMFBufferFramesConfigDeMux::~CMMFBufferFramesConfigDeMux()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: /*****************************************************************************/
sl@0: TInt CMMFBufferFramesConfigDeMux::DoOpenSlaveL(TUid /*aInterface*/, const TDesC8& /*aPackageBuf*/)
sl@0: 	{
sl@0: 	// fetch the buffer frames configuration Hw Device custom interface
sl@0: 	MMMFBufferFramesConfig* ptr = NULL;
sl@0: 
sl@0: 	ptr = static_cast<MMMFBufferFramesConfig*> (iTarget->CustomInterface(KUidBufferFramesConfig)); 
sl@0: 	
sl@0: 	if (!ptr)
sl@0: 		{
sl@0: 		iInterfaceBufferFramesConfig = NULL;
sl@0: 		User::Leave(KErrNotSupported);
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		iInterfaceBufferFramesConfig = ptr;
sl@0: 		}
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 	
sl@0: /*****************************************************************************/	
sl@0: void CMMFBufferFramesConfigDeMux::DoCloseSlaveL(TInt /*aHandle*/)
sl@0: 	{
sl@0: 	// nothing to do
sl@0: 	}
sl@0: 
sl@0: /*****************************************************************************/
sl@0: // original RMessage is supplied so that remote demux plugin can extract necessary details
sl@0: // using DeMux utility
sl@0: TInt CMMFBufferFramesConfigDeMux::DoSendSlaveSyncCommandL(const RMmfIpcMessage& aMessage)
sl@0: 	{
sl@0: 	TMMFDevSoundCIMessageData data;
sl@0: 
sl@0: 	TInt retVal = KErrNone;
sl@0: 	
sl@0: 	// decode message
sl@0: 	iUtility->GetSyncMessageDataL(aMessage, data);
sl@0: 	
sl@0: 	switch (data.iCommand)
sl@0: 		{
sl@0: 		case EMMFDevSoundCIInputBufferFramesConfig:
sl@0: 			{
sl@0: 			TPckgBuf<TFrameInfo> info; 
sl@0: 			iUtility->ReadFromInputDesL(aMessage, &info);
sl@0: 			
sl@0: 			retVal = DoMmbfcSetNumberOfFramesPerInputBuffer(info().iFrameCount, info().iSamplesPerFrame);
sl@0: 			break;
sl@0: 			}
sl@0: 		case EMMFDevSoundCIOutputBufferFramesConfig:
sl@0: 			{
sl@0: 			TPckgBuf<TFrameInfo> info; 
sl@0: 			iUtility->ReadFromInputDesL(aMessage, &info);
sl@0: 			retVal = DoMmbfcSetNumberOfFramesPerOutputBuffer(info().iFrameCount, info().iSamplesPerFrame);
sl@0: 			break;
sl@0: 			}
sl@0: 		default:
sl@0: 			{
sl@0: 			User::Leave(KErrNotSupported);
sl@0: 			}
sl@0: 		}
sl@0: 	return retVal;
sl@0: 	}
sl@0: 	
sl@0: /*****************************************************************************/	
sl@0: TInt CMMFBufferFramesConfigDeMux::DoSendSlaveSyncCommandResultL(const RMmfIpcMessage& /*aMessage*/)
sl@0: 	{
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 	
sl@0: /*****************************************************************************/	
sl@0: void CMMFBufferFramesConfigDeMux::DoSendSlaveAsyncCommandL(const RMmfIpcMessage& /*aMessage*/)
sl@0: 	{
sl@0: 	// not used in this interface
sl@0: 	}
sl@0: 	
sl@0: /*****************************************************************************/	
sl@0: void CMMFBufferFramesConfigDeMux::DoSendSlaveAsyncCommandResultL(const RMmfIpcMessage& /*aMessage*/)
sl@0: 	{
sl@0: 	// not used in this interface
sl@0: 	}
sl@0: 
sl@0: /*****************************************************************************/
sl@0: // Buffer frames config custom interface implementation
sl@0: TInt CMMFBufferFramesConfigDeMux::DoMmbfcSetNumberOfFramesPerInputBuffer(TInt aFrameCount,
sl@0: 																		TInt aSamplesPerFrame)
sl@0: 	{
sl@0: 	if (!iInterfaceBufferFramesConfig)
sl@0: 		{
sl@0: 		return KErrNotReady;
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		return iInterfaceBufferFramesConfig->MmbfcSetNumberOfFramesPerInputBuffer(aFrameCount,
sl@0: 																					aSamplesPerFrame);
sl@0: 		}		
sl@0: 	}
sl@0: 
sl@0: TInt CMMFBufferFramesConfigDeMux::DoMmbfcSetNumberOfFramesPerOutputBuffer(TInt aFrameCount,
sl@0: 																			TInt aSamplesPerFrame)
sl@0: 	{
sl@0: 	if (!iInterfaceBufferFramesConfig)
sl@0: 		{
sl@0: 		return KErrNotReady;
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		return iInterfaceBufferFramesConfig->MmbfcSetNumberOfFramesPerOutputBuffer(aFrameCount,
sl@0: 																					aSamplesPerFrame);
sl@0: 		}		
sl@0: 	}
sl@0: 
sl@0: /*****************************************************************************/
sl@0: //
sl@0: // ImplementationTable
sl@0: //
sl@0: 
sl@0: const TImplementationProxy ImplementationTable[] = 
sl@0: 	{
sl@0: 	IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfaceBufferFramesConfigMux, CMMFBufferFramesConfigMux::NewL),
sl@0: 	IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfaceBufferFramesConfigDeMux, CMMFBufferFramesConfigDeMux::NewL),
sl@0: 	};
sl@0: 
sl@0: /*****************************************************************************/
sl@0: //
sl@0: // ImplementationGroupProxy
sl@0: //
sl@0: //
sl@0: 
sl@0: EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)
sl@0: 	{
sl@0: 	aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);
sl@0: 
sl@0: 	return ImplementationTable;
sl@0: 	}
sl@0: 
sl@0: