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 "dspcontrolci.h"
sl@0: 
sl@0: 
sl@0: // MUX //
sl@0: 
sl@0: TInt CMMFDspControlMux::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 = {KMmfUidCustomInterfaceDspControlDeMux};
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 CMMFDspControlMux::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 CMMFDspControlMux::PassDestructorKey(TUid aDestructorKey)
sl@0: 	{
sl@0: 	// store the destructor key
sl@0: 	iKey = aDestructorKey;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: void CMMFDspControlMux::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* CMMFDspControlMux::NewL()
sl@0: 	{
sl@0: 	CMMFDspControlMux* self = new (ELeave) CMMFDspControlMux;
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TAny* CMMFDspControlMux::CustomInterface(TUid /*aInterfaceId*/)
sl@0: 	{
sl@0: 	MMMFDSPControl* interface = this;
sl@0: 	return interface;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: CMMFDspControlMux::CMMFDspControlMux() :
sl@0: 	iRemoteHandle(-1)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: 
sl@0: CMMFDspControlMux::~CMMFDspControlMux()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: 
sl@0: // from MMMFDSPControl
sl@0: TInt CMMFDspControlMux::MmdspcGetAudioPlaybackInfo (TInt64& aSamplesPlayed,
sl@0: 													TInt64& aSystemTime,
sl@0: 													TUint& aBytesDecoderConsumed,
sl@0: 													TUint& aBytesDecoderDecoded)
sl@0: 	{
sl@0: 	TInt result = KErrBadHandle;
sl@0: 
sl@0: 	if (iRemoteHandle > 0)
sl@0: 		{
sl@0: 		// holds the returned value
sl@0: 		TPckgBuf<TAudioPlaybackInfo> returnVal;
sl@0: 
sl@0: 		// any return code other than zero is an error
sl@0: 		result = iUtility->SendSlaveSyncCommandResult(iRemoteHandle,
sl@0: 													  EMMFDevSoundCIDspCtrlGetAudioPlaybackInfo,
sl@0: 													  KNullDesC8,
sl@0: 													  returnVal);
sl@0: 
sl@0: 		// assign returned value to the individual parameter. Do nothing if there is an error
sl@0: 		if(result == KErrNone)
sl@0: 			{
sl@0: 			aSamplesPlayed = returnVal().iSamplesPlayed;
sl@0: 			aSystemTime = returnVal().iSystemTime;
sl@0: 			aBytesDecoderConsumed = returnVal().iBytesDecoderConsumed;
sl@0: 			aBytesDecoderDecoded = returnVal().iBytesDecoderDecoded;
sl@0: 			}
sl@0: 		}
sl@0: 
sl@0: 	return result;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: // from MMMFDSPControl
sl@0: TInt CMMFDspControlMux::MmdspcAcceptRecordBuffersInvalidFollowingStop()
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: 												EMMFDevSoundCIDspCtrlAcceptRecordBuffersInvalidFollowingStop,
sl@0: 												KNullDesC8);
sl@0: 		}
sl@0: 
sl@0: 	return result;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: // from MMMFDSPControl
sl@0: TInt CMMFDspControlMux::MmdspcAcceptPlaybackBuffersInvalidFollowingStop()
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: 												EMMFDevSoundCIDspCtrlAcceptPlaybackBuffersInvalidFollowingStop,
sl@0: 												KNullDesC8);
sl@0: 		}
sl@0: 
sl@0: 	return result;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: 
sl@0: // DEMUX //	
sl@0: 
sl@0: TInt CMMFDspControlDeMux::OpenInterface(TUid /*aInterfaceId*/)
sl@0: 	{
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: void CMMFDspControlDeMux::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 CMMFDspControlDeMux::PassDestructorKey(TUid aDestructorKey)
sl@0: 	{
sl@0: 	// store the destructor key
sl@0: 	iKey = aDestructorKey;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: void CMMFDspControlDeMux::SetInterfaceTarget(MMMFDevSoundCustomInterfaceTarget* aTarget)
sl@0: 	{
sl@0: 	iTarget = aTarget;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: void CMMFDspControlDeMux::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 CMMFDspControlDeMux::RefreshL()
sl@0: 	{
sl@0: 	// refetch the DSP Control  custom interface if we already have a target
sl@0: 	if (iTarget)
sl@0: 		{
sl@0: 		iInterfaceDspControl = static_cast <MMMFDSPControl*> (iTarget->CustomInterface(KUidDSPControl));
sl@0: 
sl@0: 		if (!iInterfaceDspControl)
sl@0: 			{
sl@0: 			iInterfaceDspControl = NULL;
sl@0: 			User::Leave(KErrNotSupported);
sl@0: 			}
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: 
sl@0: MMMFDevSoundCustomInterfaceDeMuxPlugin* CMMFDspControlDeMux::NewL()
sl@0: 	{
sl@0: 	CMMFDspControlDeMux* self = new (ELeave) CMMFDspControlDeMux;
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: CMMFDspControlDeMux::CMMFDspControlDeMux()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: 
sl@0: CMMFDspControlDeMux::~CMMFDspControlDeMux()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt CMMFDspControlDeMux::DoOpenSlaveL(TUid /*aInterface*/, const TDesC8& /*aPackageBuf*/)
sl@0: 	{
sl@0: 	// fetch the DSP Control  Hw Device custom interface
sl@0: 	iInterfaceDspControl = static_cast<MMMFDSPControl*> (iTarget->CustomInterface(KUidDSPControl)); 
sl@0: 
sl@0: 	if (!iInterfaceDspControl)
sl@0: 		{
sl@0: 		iInterfaceDspControl = NULL;
sl@0: 		User::Leave(KErrNotSupported);
sl@0: 		}
sl@0: 
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: void CMMFDspControlDeMux::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 CMMFDspControlDeMux::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 EMMFDevSoundCIDspCtrlAcceptRecordBuffersInvalidFollowingStop:
sl@0: 			{
sl@0: 			result = DoMmdspcAcceptRecordBuffersInvalidFollowingStopL();
sl@0: 
sl@0: 			break;
sl@0: 			}
sl@0: 		case EMMFDevSoundCIDspCtrlAcceptPlaybackBuffersInvalidFollowingStop:
sl@0: 			{
sl@0: 			result = DoMmdspcAcceptPlaybackBuffersInvalidFollowingStopL();
sl@0: 
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: // original RMessage is supplied so that remote demux plugin can extract necessary details
sl@0: // using DeMux utility
sl@0: TInt CMMFDspControlDeMux::DoSendSlaveSyncCommandResultL(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 EMMFDevSoundCIDspCtrlGetAudioPlaybackInfo:
sl@0: 			{
sl@0: 			TPckgBuf<TAudioPlaybackInfo> pckData;
sl@0: 
sl@0: 			iUtility->ReadFromInputDesL(aMessage, &pckData);
sl@0: 
sl@0: 			result = DoMmdspcGetAudioPlaybackInfoL(pckData().iSamplesPlayed,
sl@0: 												   pckData().iSystemTime,
sl@0: 												   pckData().iBytesDecoderConsumed,
sl@0: 												   pckData().iBytesDecoderDecoded);
sl@0: 
sl@0: 			TPckgBuf<TAudioPlaybackInfo> des(pckData());
sl@0: 			iUtility->WriteToOutputDesL(aMessage, des);
sl@0: 
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: void CMMFDspControlDeMux::DoSendSlaveAsyncCommandL(const RMmfIpcMessage& /*aMessage*/)
sl@0: 	{
sl@0: 	// not used in this interface
sl@0: 	}
sl@0: 
sl@0: 
sl@0: void CMMFDspControlDeMux::DoSendSlaveAsyncCommandResultL(const RMmfIpcMessage& /*aMessage*/)
sl@0: 	{
sl@0: 	// not used in this interface
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt CMMFDspControlDeMux::DoMmdspcAcceptRecordBuffersInvalidFollowingStopL()
sl@0: 	{
sl@0: 	TInt result = KErrNotFound;
sl@0: 
sl@0: 	if (iInterfaceDspControl)
sl@0: 		{
sl@0: 		result = iInterfaceDspControl->MmdspcAcceptRecordBuffersInvalidFollowingStop();
sl@0: 		}
sl@0: 
sl@0: 	return result;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt CMMFDspControlDeMux::DoMmdspcAcceptPlaybackBuffersInvalidFollowingStopL()
sl@0: 	{
sl@0: 	TInt result = KErrNotFound;
sl@0: 
sl@0: 	if (iInterfaceDspControl)
sl@0: 		{
sl@0: 		result = iInterfaceDspControl->MmdspcAcceptPlaybackBuffersInvalidFollowingStop();
sl@0: 		}
sl@0: 
sl@0: 	return result;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt CMMFDspControlDeMux::DoMmdspcGetAudioPlaybackInfoL(TInt64& aSamplesPlayed,
sl@0: 														TInt64& aSystemTime,
sl@0: 														TUint& aBytesDecoderConsumed,
sl@0: 														TUint& aBytesDecoderDecoded)
sl@0: 	{
sl@0: 	TInt result = KErrNotFound;
sl@0: 
sl@0: 	if (iInterfaceDspControl)
sl@0: 		{
sl@0: 		result = iInterfaceDspControl->MmdspcGetAudioPlaybackInfo(aSamplesPlayed,
sl@0: 																  aSystemTime,
sl@0: 																  aBytesDecoderConsumed,
sl@0: 																  aBytesDecoderDecoded);
sl@0: 		}
sl@0: 
sl@0: 	return result;
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(KMmfUidCustomInterfaceDspControlMux,		CMMFDspControlMux::NewL),
sl@0: 	IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfaceDspControlDeMux,	CMMFDspControlDeMux::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: