diff -r 000000000000 -r 79dd3e2336a0 devsound/devsoundpluginsupport/src/CustomInterfaces/gettimestampsci.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/devsound/devsoundpluginsupport/src/CustomInterfaces/gettimestampsci.cpp Fri Oct 08 19:40:43 2010 +0100 @@ -0,0 +1,367 @@ +// 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 +#include +#include + +#include "gettimestampsci.h" + +class TPositionTimestamp + { +public: + TTimeIntervalMicroSeconds iBufferPosition; + TTime iTimestamp; + }; + +// MUX // +/*****************************************************************************/ + +TInt CMMFGetTimestampsMux::OpenInterface(TUid /*aInterfaceId*/) + { + // attempt to open the interface link with the + // remote slave device + iRemoteHandle = -1; + TUid slaveId = {KMmfUidCustomInterfaceGetTimestampsDeMux}; + + TInt handle = iUtility->OpenSlave(slaveId, KNullDesC8); + if (handle >= 0) + { + iRemoteHandle = handle; + } + + return iRemoteHandle; + } + +/*****************************************************************************/ +void CMMFGetTimestampsMux::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 CMMFGetTimestampsMux::PassDestructorKey(TUid aDestructorKey) + { + // store the destructor key + iDestructorKey = aDestructorKey; + } + +/*****************************************************************************/ +void CMMFGetTimestampsMux::CompleteConstructL(MMMFDevSoundCustomInterfaceMuxUtility* aCustomUtility) + { + // store a pointer to the utility + iUtility = aCustomUtility; + } + +/*****************************************************************************/ +MMMFDevSoundCustomInterfaceMuxPlugin* CMMFGetTimestampsMux::NewL() + { + CMMFGetTimestampsMux* self = new (ELeave) CMMFGetTimestampsMux; + return self; + } + +/*****************************************************************************/ +TAny* CMMFGetTimestampsMux::CustomInterface(TUid /*aInterfaceId*/) + { + MMMFGetTimestamps* interface = this; + return interface; + } + +/*****************************************************************************/ +CMMFGetTimestampsMux::CMMFGetTimestampsMux() : + iRemoteHandle(-1) + { + } + +/*****************************************************************************/ +CMMFGetTimestampsMux::~CMMFGetTimestampsMux() + { + } + +/*****************************************************************************/ +// from MMMFGetTimestamps +TInt CMMFGetTimestampsMux::MmgtSetRecordSystemTimestampsEnabled(TBool aEnable) + { + if (iRemoteHandle > 0) + { + // send the enable flag in the sync command + TPckgBuf flag(aEnable); + + // any return code other than zero is an error + return iUtility->SendSlaveSyncCommand(iRemoteHandle, EMMFDevSoundCIGetTimestampsEnable, flag); + } + else + { + return KErrNotReady; + } + } + +TInt CMMFGetTimestampsMux::MmgtGetSystemTimestampForBuffer(const TTimeIntervalMicroSeconds& aBufferPosition, + TTime& aTimestamp) const + { + TInt err = KErrNotReady; + if (iRemoteHandle > 0) + { + // send the position and timestamp in the sync command + TPositionTimestamp value; + value.iBufferPosition = aBufferPosition; + value.iTimestamp = aTimestamp; + TPckgBuf pckgBuffer(value); + + // any return code other than zero is an error + err = iUtility->SendSlaveSyncCommandResult(iRemoteHandle, EMMFDevSoundCIGetTimestampsForBuffer, + pckgBuffer, pckgBuffer); + aTimestamp = pckgBuffer().iTimestamp; + } + + return err; + } + + + +// DEMUX // +/*****************************************************************************/ +TInt CMMFGetTimestampsDeMux::OpenInterface(TUid /*aInterfaceId*/) + { + return KErrNone; + } + +/*****************************************************************************/ +void CMMFGetTimestampsDeMux::Release() + { + TUid key = iDestructorKey; + + delete this; + + // tell ECom to destroy us + REComSession::DestroyedImplementation(key); + } + +/*****************************************************************************/ +void CMMFGetTimestampsDeMux::PassDestructorKey(TUid aDestructorKey) + { + // store the destructor key + iDestructorKey = aDestructorKey; + } + +/*****************************************************************************/ +void CMMFGetTimestampsDeMux::SetInterfaceTarget(MMMFDevSoundCustomInterfaceTarget* aTarget) + { + iTarget = aTarget; + } + +/*****************************************************************************/ +void CMMFGetTimestampsDeMux::CompleteConstructL(MMMFDevSoundCustomInterfaceDeMuxUtility* aCustomUtility) + { + // store a pointer to the utility + iUtility = aCustomUtility; + } + +/*****************************************************************************/ +void CMMFGetTimestampsDeMux::RefreshL() + { + // refetch the play back status custom interface if we already have a target + if (iTarget) + { + MMMFGetTimestamps* ptr = NULL; + + ptr = static_cast (iTarget->CustomInterface(KUidGetTimestamps)); + + if (!ptr) + { + iInterfaceGetTimestamps = NULL; + User::Leave(KErrNotSupported); + } + else + { + iInterfaceGetTimestamps = ptr; + } + } + } + +/*****************************************************************************/ +MMMFDevSoundCustomInterfaceDeMuxPlugin* CMMFGetTimestampsDeMux::NewL() + { + CMMFGetTimestampsDeMux* self = new (ELeave) CMMFGetTimestampsDeMux; + return self; + } + +/*****************************************************************************/ +CMMFGetTimestampsDeMux::CMMFGetTimestampsDeMux() + { + } + +/*****************************************************************************/ +CMMFGetTimestampsDeMux::~CMMFGetTimestampsDeMux() + { + } + +/*****************************************************************************/ +TInt CMMFGetTimestampsDeMux::DoOpenSlaveL(TUid /*aInterface*/, const TDesC8& /*aPackageBuf*/) + { + // fetch the Playback status Hw Device custom interface + MMMFGetTimestamps* ptr = NULL; + + ptr = static_cast (iTarget->CustomInterface(KUidGetTimestamps)); + + if (!ptr) + { + iInterfaceGetTimestamps = NULL; + User::Leave(KErrNotSupported); + } + else + { + iInterfaceGetTimestamps = ptr; + } + return KErrNone; + } + +/*****************************************************************************/ +void CMMFGetTimestampsDeMux::DoCloseSlaveL(TInt /*aHandle*/) + { + // nothing to do + } + +/*****************************************************************************/ +// original RMessage is supplied so that remote demux plugin can extract necessary details +// using DeMux utility +TInt CMMFGetTimestampsDeMux::DoSendSlaveSyncCommandL(const RMmfIpcMessage& aMessage) + { + TMMFDevSoundCIMessageData data; + + TInt retVal = KErrNone; + + // decode message + iUtility->GetSyncMessageDataL(aMessage, data); + + switch (data.iCommand) + { + case EMMFDevSoundCIGetTimestampsEnable: + { + TPckgBuf flag; + iUtility->ReadFromInputDesL(aMessage, &flag); + retVal = DoMmgtSetRecordSystemTimestampsEnabled(flag()); + break; + } + default: + { + User::Leave(KErrNotSupported); + } + } + return retVal; + } + +/*****************************************************************************/ +TInt CMMFGetTimestampsDeMux::DoSendSlaveSyncCommandResultL(const RMmfIpcMessage& aMessage) + { + TMMFDevSoundCIMessageData data; + + TInt retVal = KErrNone; + + // decode message + iUtility->GetSyncMessageDataL(aMessage, data); + + switch (data.iCommand) + { + case EMMFDevSoundCIGetTimestampsForBuffer: + { + TPckgBuf value; + iUtility->ReadFromInputDesL(aMessage, &value); + retVal = DoMmgtGetSystemTimestampForBuffer(value().iBufferPosition, value().iTimestamp); + iUtility->WriteToOutputDesL(aMessage, value); + break; + } + default: + { + User::Leave(KErrNotSupported); + } + } + return retVal; + } + +/*****************************************************************************/ +void CMMFGetTimestampsDeMux::DoSendSlaveAsyncCommandL(const RMmfIpcMessage& /*aMessage*/) + { + // not used in this interface + } + +/*****************************************************************************/ +void CMMFGetTimestampsDeMux::DoSendSlaveAsyncCommandResultL(const RMmfIpcMessage& /*aMessage*/) + { + // not used in this interface + } + +/*****************************************************************************/ +// Get Timestamp custom interface implementation +TInt CMMFGetTimestampsDeMux::DoMmgtSetRecordSystemTimestampsEnabled(TBool aEnable) + { + if (!iInterfaceGetTimestamps) + { + return KErrNotReady; + } + else + { + return iInterfaceGetTimestamps->MmgtSetRecordSystemTimestampsEnabled(aEnable); + } + } + +TInt CMMFGetTimestampsDeMux::DoMmgtGetSystemTimestampForBuffer(const TTimeIntervalMicroSeconds& aBufferPosition, + TTime& aTimestamp) + { + if (!iInterfaceGetTimestamps) + { + return KErrNotReady; + } + else + { + return iInterfaceGetTimestamps->MmgtGetSystemTimestampForBuffer(aBufferPosition, aTimestamp); + } + } +/*****************************************************************************/ +// +// ImplementationTable +// + +const TImplementationProxy ImplementationTable[] = + { + IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfaceGetTimestampsMux, CMMFGetTimestampsMux::NewL), + IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfaceGetTimestampsDeMux, CMMFGetTimestampsDeMux::NewL), + }; + +/*****************************************************************************/ +// +// ImplementationGroupProxy +// +// + +EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount) + { + aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy); + + return ImplementationTable; + } + +