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 <s32mem.h>
sl@0: 
sl@0: #include "audiobufferprefillci.h"
sl@0: 
sl@0: 
sl@0: // MUX //
sl@0: 
sl@0: TInt CMMFSampleBufferingMux::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 = {KMmfUidCustomInterfaceSampleBufferingDeMux};
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 CMMFSampleBufferingMux::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 = iKey;
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 CMMFSampleBufferingMux::PassDestructorKey(TUid aDestructorKey)
sl@0: 	{
sl@0: 	// store the destructor key
sl@0: 	iKey = aDestructorKey;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: void CMMFSampleBufferingMux::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* CMMFSampleBufferingMux::NewL()
sl@0: 	{
sl@0: 	CMMFSampleBufferingMux* self = new (ELeave) CMMFSampleBufferingMux;
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TAny* CMMFSampleBufferingMux::CustomInterface(TUid /*aInterfaceId*/)
sl@0: 	{
sl@0: 	MMMFSampleBuffering* interface = this;
sl@0: 	return interface;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: CMMFSampleBufferingMux::CMMFSampleBufferingMux() :
sl@0: iRemoteHandle(-1) 
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: 
sl@0: CMMFSampleBufferingMux::~CMMFSampleBufferingMux()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: 
sl@0: // from MMMFSampleBuffering
sl@0: TInt CMMFSampleBufferingMux::MmsbEnableSampleBufferingBeforePlayback()
sl@0: 	{
sl@0: 	TInt result = KErrBadHandle;
sl@0: 
sl@0: 	if (iRemoteHandle > 0)
sl@0: 		{
sl@0: 		// any return code other than zero is an error
sl@0: 		result = iUtility->SendSlaveSyncCommand(iRemoteHandle,
sl@0: 												EMMFDevSoundCIEnableSampleBufferingBeforePlayback,
sl@0: 												KNullDesC8);
sl@0: 		}
sl@0: 
sl@0: 	return result;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: // from MMMFSampleBuffering
sl@0: TInt CMMFSampleBufferingMux::MmsbDisableSampleBufferingBeforePlayback()
sl@0: 	{
sl@0: 	TInt result = KErrBadHandle;
sl@0: 
sl@0: 	if (iRemoteHandle > 0)
sl@0: 		{
sl@0: 		// any return code other than zero is an error
sl@0: 		result = iUtility->SendSlaveSyncCommand(iRemoteHandle,
sl@0: 												EMMFDevSoundCIDisableSampleBufferingBeforePlayback,
sl@0: 												KNullDesC8);
sl@0: 		}
sl@0: 
sl@0: 	return result;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: // from MMMFSampleBuffering
sl@0: void CMMFSampleBufferingMux::MmsbNotifyPlayStarted(TRequestStatus& aStatus)
sl@0: 	{
sl@0: 	if (iRemoteHandle > 0)
sl@0: 		{
sl@0: 		// package the handle and command, and send in the Async command
sl@0: 		iCmdPkg().iHandle = iRemoteHandle;
sl@0: 		iCmdPkg().iCommand = EMMFDevSoundCINotifyPlayStarted;
sl@0: 
sl@0: 		// any return code other than zero is an error
sl@0: 		iUtility->SendSlaveAsyncCommand(iCmdPkg, aStatus, KNullDesC8);
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: 
sl@0: // from MMMFSampleBuffering
sl@0: void CMMFSampleBufferingMux::MmsbCancelNotifyPlayStarted()
sl@0: 	{
sl@0: 	if (iRemoteHandle > 0)
sl@0: 		{
sl@0: 		// any return code other than zero is an error
sl@0: 		TInt result = iUtility->SendSlaveSyncCommand(iRemoteHandle,
sl@0: 													 EMMFDevSoundCICancelNotifyPlayStarted,
sl@0: 													 KNullDesC8);
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: 
sl@0: 
sl@0: // DEMUX //	
sl@0: 
sl@0: TInt CMMFSampleBufferingDeMux::OpenInterface(TUid /*aInterfaceId*/)
sl@0: 	{
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: void CMMFSampleBufferingDeMux::Release()
sl@0: 	{
sl@0: 	TUid key = iKey;
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 CMMFSampleBufferingDeMux::PassDestructorKey(TUid aDestructorKey)
sl@0: 	{
sl@0: 	// store the destructor key
sl@0: 	iKey = aDestructorKey;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: void CMMFSampleBufferingDeMux::SetInterfaceTarget(MMMFDevSoundCustomInterfaceTarget* aTarget)
sl@0: 	{
sl@0: 	iTarget = aTarget;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: void CMMFSampleBufferingDeMux::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 CMMFSampleBufferingDeMux::RefreshL()
sl@0: 	{
sl@0: 	// refetch the Sample Buffering  custom interface if we already have a target
sl@0: 	if (iTarget)
sl@0: 		{
sl@0: 		iInterfaceSampleBuffering = static_cast <MMMFSampleBuffering*> (iTarget->CustomInterface(KUidSampleBuffering ));
sl@0: 
sl@0: 		if (!iInterfaceSampleBuffering)
sl@0: 			{
sl@0: 			iInterfaceSampleBuffering = NULL;
sl@0: 			User::Leave(KErrNotSupported);
sl@0: 			}
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: 
sl@0: MMMFDevSoundCustomInterfaceDeMuxPlugin* CMMFSampleBufferingDeMux::NewL()
sl@0: 	{
sl@0: 	CMMFSampleBufferingDeMux* self = new (ELeave) CMMFSampleBufferingDeMux;
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: CMMFSampleBufferingDeMux::CMMFSampleBufferingDeMux() : CActive(CActive::EPriorityStandard)
sl@0: 	{
sl@0: 	CActiveScheduler::Add(this);
sl@0: 	}
sl@0: 
sl@0: 
sl@0: CMMFSampleBufferingDeMux::~CMMFSampleBufferingDeMux()
sl@0: 	{
sl@0: 	Cancel();
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt CMMFSampleBufferingDeMux::DoOpenSlaveL(TUid /*aInterface*/, const TDesC8& /*aPackageBuf*/)
sl@0: 	{
sl@0: 	// fetch the Sample Buffering  Hw Device custom interface
sl@0: 	iInterfaceSampleBuffering = static_cast<MMMFSampleBuffering*> (iTarget->CustomInterface(KUidSampleBuffering)); 
sl@0: 
sl@0: 	if (!iInterfaceSampleBuffering)
sl@0: 		{
sl@0: 		iInterfaceSampleBuffering = NULL;
sl@0: 		User::Leave(KErrNotSupported);
sl@0: 		}
sl@0: 
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: void CMMFSampleBufferingDeMux::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 CMMFSampleBufferingDeMux::DoSendSlaveSyncCommandL(const RMmfIpcMessage& aMessage)
sl@0: 	{
sl@0: 	TMMFDevSoundCIMessageData data;
sl@0: 	TInt result = KErrGeneral;
sl@0: 
sl@0: 	// decode message
sl@0: 	iUtility->GetSyncMessageDataL(aMessage, data);
sl@0: 
sl@0: 	switch (data.iCommand)
sl@0: 		{
sl@0: 		case EMMFDevSoundCIEnableSampleBufferingBeforePlayback:
sl@0: 			{
sl@0: 			result = DoMmsbEnableSampleBufferingBeforePlaybackL();
sl@0: 			break;
sl@0: 			}
sl@0: 		case EMMFDevSoundCIDisableSampleBufferingBeforePlayback:
sl@0: 			{
sl@0: 			result = DoMmsbDisableSampleBufferingBeforePlaybackL();
sl@0: 			break;
sl@0: 			}
sl@0: 		case EMMFDevSoundCICancelNotifyPlayStarted:
sl@0: 			{
sl@0: 			DoMmsbCancelNotifyPlayStartedL();
sl@0: 			break;
sl@0: 			}
sl@0: 		default:
sl@0: 			{
sl@0: 			User::Leave(KErrNotSupported);
sl@0: 			}
sl@0: 		}
sl@0: 
sl@0: 	return result;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt CMMFSampleBufferingDeMux::DoSendSlaveSyncCommandResultL(const RMmfIpcMessage& /*aMessage*/)
sl@0: 	{
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: void CMMFSampleBufferingDeMux::DoSendSlaveAsyncCommandL(const RMmfIpcMessage& aMessage)
sl@0: 	{
sl@0: 	TMMFDevSoundCIMessageData data;
sl@0: 
sl@0: 	// decode message
sl@0: 	iUtility->GetAsyncMessageDataL(aMessage, data);
sl@0: 
sl@0: 	switch (data.iCommand)
sl@0: 		{
sl@0: 		case EMMFDevSoundCINotifyPlayStarted:
sl@0: 			{
sl@0: 			DoMmsbNotifyPlayStartedL(aMessage);
sl@0: 			break;
sl@0: 			}
sl@0: 		default:
sl@0: 			{
sl@0: 			User::Leave(KErrNotSupported);
sl@0: 			}
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: 
sl@0: void CMMFSampleBufferingDeMux::DoSendSlaveAsyncCommandResultL(const RMmfIpcMessage& /*aMessage*/)
sl@0: 	{
sl@0: 	// not used in this interface
sl@0: 	}
sl@0: 
sl@0: 
sl@0: // Sample Buffering  custom interface implementation
sl@0: TInt CMMFSampleBufferingDeMux::DoMmsbEnableSampleBufferingBeforePlaybackL()
sl@0: 	{
sl@0: 	TInt result = KErrNotFound;
sl@0: 
sl@0: 	if (iInterfaceSampleBuffering)
sl@0: 		{
sl@0: 		result = iInterfaceSampleBuffering->MmsbEnableSampleBufferingBeforePlayback();
sl@0: 		}
sl@0: 
sl@0: 	return result;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: // Sample Buffering custom interface implementation
sl@0: TInt CMMFSampleBufferingDeMux::DoMmsbDisableSampleBufferingBeforePlaybackL()
sl@0: 	{
sl@0: 	TInt result = KErrNotFound;
sl@0: 
sl@0: 	if (iInterfaceSampleBuffering)
sl@0: 		{
sl@0: 		result = iInterfaceSampleBuffering->MmsbDisableSampleBufferingBeforePlayback();
sl@0: 		}
sl@0: 
sl@0: 	return result;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: // Sample Buffering  custom interface implementation
sl@0: void CMMFSampleBufferingDeMux::DoMmsbNotifyPlayStartedL(const RMmfIpcMessage& aMessage)
sl@0: 	{
sl@0: 	if (iInterfaceSampleBuffering)
sl@0: 		{
sl@0: 		// make a copy of the received message before jumping to the plugin.
sl@0: 		// It will be used on the reply to the client.
sl@0: 		iStoredMessage = aMessage;
sl@0: 
sl@0: 		iInterfaceSampleBuffering->MmsbNotifyPlayStarted(iStatus);
sl@0: 
sl@0: 		// check not already active
sl@0: 		ASSERT(!IsActive());
sl@0: 
sl@0: 		SetActive();
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: 
sl@0: // Sample Buffering custom interface implementation
sl@0: void CMMFSampleBufferingDeMux::DoMmsbCancelNotifyPlayStartedL()
sl@0: 	{
sl@0: 	if (iInterfaceSampleBuffering)
sl@0: 		{
sl@0: 		iInterfaceSampleBuffering->MmsbCancelNotifyPlayStarted();
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: 
sl@0: // active object handling functions
sl@0: void CMMFSampleBufferingDeMux::RunL()
sl@0: 	{
sl@0: 	TInt err = iStatus.Int();
sl@0: 
sl@0: 	// complete the client request
sl@0: 	iStoredMessage.Complete(err);
sl@0: 	}
sl@0: 
sl@0: 
sl@0: void CMMFSampleBufferingDeMux::DoCancel()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: //
sl@0: // ImplementationTable
sl@0: //
sl@0: const TImplementationProxy ImplementationTable[] =
sl@0: 	{
sl@0: 	IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfaceSampleBufferingMux,	CMMFSampleBufferingMux::NewL),
sl@0: 	IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfaceSampleBufferingDeMux,	CMMFSampleBufferingDeMux::NewL),
sl@0: 	};
sl@0: 
sl@0: //
sl@0: // ImplementationGroupProxy
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: