devsound/devsoundpluginsupport/src/CustomInterfaces/gettimestampsci.cpp
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     1 // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     2 // All rights reserved.
       
     3 // This component and the accompanying materials are made available
       
     4 // under the terms of "Eclipse Public License v1.0"
       
     5 // which accompanies this distribution, and is available
       
     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     7 //
       
     8 // Initial Contributors:
       
     9 // Nokia Corporation - initial contribution.
       
    10 //
       
    11 // Contributors:
       
    12 //
       
    13 // Description:
       
    14 //
       
    15 
       
    16 #include <ecom/implementationproxy.h>
       
    17 #include <ecom/implementationproxy.h>
       
    18 #include <ecom/ecom.h>
       
    19 
       
    20 #include "gettimestampsci.h"
       
    21 
       
    22 class TPositionTimestamp
       
    23 	{
       
    24 public:
       
    25 	TTimeIntervalMicroSeconds iBufferPosition;
       
    26 	TTime iTimestamp;
       
    27 	};
       
    28 
       
    29 // MUX //
       
    30 /*****************************************************************************/
       
    31 
       
    32 TInt CMMFGetTimestampsMux::OpenInterface(TUid /*aInterfaceId*/)
       
    33 	{
       
    34 	// attempt to open the interface link with the
       
    35 	// remote slave device
       
    36 	iRemoteHandle = -1;
       
    37 	TUid slaveId = {KMmfUidCustomInterfaceGetTimestampsDeMux};
       
    38 		
       
    39 	TInt handle = iUtility->OpenSlave(slaveId, KNullDesC8);
       
    40 	if (handle >= 0)
       
    41 		{
       
    42 		iRemoteHandle = handle;
       
    43 		}
       
    44 		
       
    45 	return iRemoteHandle;
       
    46 	}
       
    47 
       
    48 /*****************************************************************************/
       
    49 void CMMFGetTimestampsMux::Release()
       
    50 	{
       
    51 	// close the slave device if it exists
       
    52 	if (iRemoteHandle > 0)
       
    53 		{
       
    54 		// we assume the slave is closed correctly
       
    55 		iUtility->CloseSlave(iRemoteHandle);
       
    56 		}
       
    57 	
       
    58 	TUid key = iDestructorKey;
       
    59 	delete this;
       
    60 	
       
    61 	// tell ECom to destroy us
       
    62 	REComSession::DestroyedImplementation(key);
       
    63 	}
       
    64 
       
    65 /*****************************************************************************/	
       
    66 void CMMFGetTimestampsMux::PassDestructorKey(TUid aDestructorKey)
       
    67 	{
       
    68 	// store the destructor key
       
    69 	iDestructorKey = aDestructorKey;
       
    70 	}
       
    71 
       
    72 /*****************************************************************************/
       
    73 void CMMFGetTimestampsMux::CompleteConstructL(MMMFDevSoundCustomInterfaceMuxUtility* aCustomUtility)
       
    74 	{
       
    75 	// store a pointer to the utility
       
    76 	iUtility = aCustomUtility;
       
    77 	}
       
    78 
       
    79 /*****************************************************************************/	
       
    80 MMMFDevSoundCustomInterfaceMuxPlugin* CMMFGetTimestampsMux::NewL()
       
    81 	{
       
    82 	CMMFGetTimestampsMux* self = new (ELeave) CMMFGetTimestampsMux;
       
    83 	return self;
       
    84 	}
       
    85 
       
    86 /*****************************************************************************/	
       
    87 TAny* CMMFGetTimestampsMux::CustomInterface(TUid /*aInterfaceId*/)
       
    88 	{
       
    89 	MMMFGetTimestamps* interface = this;
       
    90 	return interface;
       
    91 	}
       
    92 	
       
    93 /*****************************************************************************/
       
    94 CMMFGetTimestampsMux::CMMFGetTimestampsMux() :
       
    95 	iRemoteHandle(-1)
       
    96 	{	
       
    97 	}
       
    98 
       
    99 /*****************************************************************************/
       
   100 CMMFGetTimestampsMux::~CMMFGetTimestampsMux()
       
   101 	{	
       
   102 	}
       
   103 
       
   104 /*****************************************************************************/
       
   105 // from MMMFGetTimestamps
       
   106 TInt CMMFGetTimestampsMux::MmgtSetRecordSystemTimestampsEnabled(TBool aEnable)
       
   107 	{
       
   108 	if (iRemoteHandle > 0)
       
   109 		{
       
   110 		// send the enable flag in the sync command
       
   111 		TPckgBuf<TBool> flag(aEnable);
       
   112 
       
   113 		// any return code other than zero is an error
       
   114 		return iUtility->SendSlaveSyncCommand(iRemoteHandle, EMMFDevSoundCIGetTimestampsEnable, flag);
       
   115 		}
       
   116 	else
       
   117 		{
       
   118 		return KErrNotReady;
       
   119 		}
       
   120 	}
       
   121 
       
   122 TInt CMMFGetTimestampsMux::MmgtGetSystemTimestampForBuffer(const TTimeIntervalMicroSeconds& aBufferPosition,
       
   123 															TTime& aTimestamp) const
       
   124 	{
       
   125 	TInt err = KErrNotReady;
       
   126 	if (iRemoteHandle > 0)
       
   127 		{
       
   128 		// send the position and timestamp in the sync command
       
   129 		TPositionTimestamp value;
       
   130 		value.iBufferPosition = aBufferPosition;
       
   131 		value.iTimestamp = aTimestamp;
       
   132 		TPckgBuf<TPositionTimestamp> pckgBuffer(value);
       
   133 
       
   134 		// any return code other than zero is an error
       
   135 		err = iUtility->SendSlaveSyncCommandResult(iRemoteHandle, EMMFDevSoundCIGetTimestampsForBuffer, 
       
   136 													pckgBuffer, pckgBuffer);
       
   137 		aTimestamp = pckgBuffer().iTimestamp;
       
   138 		}
       
   139 
       
   140 	return err;
       
   141 	}
       
   142 
       
   143 
       
   144 
       
   145 // DEMUX //	
       
   146 /*****************************************************************************/
       
   147 TInt CMMFGetTimestampsDeMux::OpenInterface(TUid /*aInterfaceId*/)
       
   148 	{
       
   149 	return KErrNone;
       
   150 	}
       
   151 
       
   152 /*****************************************************************************/	
       
   153 void CMMFGetTimestampsDeMux::Release()
       
   154 	{
       
   155 	TUid key = iDestructorKey;
       
   156 	
       
   157 	delete this;
       
   158 	
       
   159 	// tell ECom to destroy us
       
   160 	REComSession::DestroyedImplementation(key);
       
   161 	}
       
   162 	
       
   163 /*****************************************************************************/	
       
   164 void CMMFGetTimestampsDeMux::PassDestructorKey(TUid aDestructorKey)
       
   165 	{
       
   166 	// store the destructor key
       
   167 	iDestructorKey = aDestructorKey;
       
   168 	}
       
   169 	
       
   170 /*****************************************************************************/	
       
   171 void CMMFGetTimestampsDeMux::SetInterfaceTarget(MMMFDevSoundCustomInterfaceTarget* aTarget)
       
   172 	{
       
   173 	iTarget = aTarget;
       
   174 	}
       
   175 
       
   176 /*****************************************************************************/	
       
   177 void CMMFGetTimestampsDeMux::CompleteConstructL(MMMFDevSoundCustomInterfaceDeMuxUtility* aCustomUtility)
       
   178 	{
       
   179 	// store a pointer to the utility
       
   180 	iUtility = aCustomUtility;
       
   181 	}
       
   182 
       
   183 /*****************************************************************************/
       
   184 void CMMFGetTimestampsDeMux::RefreshL()
       
   185 	{
       
   186 	// refetch the play back status custom interface if we already have a target
       
   187 	if (iTarget)
       
   188 		{
       
   189 		MMMFGetTimestamps* ptr = NULL;
       
   190 
       
   191 		ptr = static_cast <MMMFGetTimestamps*> (iTarget->CustomInterface(KUidGetTimestamps));
       
   192 	
       
   193 		if (!ptr)
       
   194 			{
       
   195 			iInterfaceGetTimestamps = NULL;
       
   196 			User::Leave(KErrNotSupported);
       
   197 			}
       
   198 		else
       
   199 			{
       
   200 			iInterfaceGetTimestamps = ptr;
       
   201 			}	
       
   202 		}
       
   203 	}
       
   204 
       
   205 /*****************************************************************************/
       
   206 MMMFDevSoundCustomInterfaceDeMuxPlugin* CMMFGetTimestampsDeMux::NewL()
       
   207 	{
       
   208 	CMMFGetTimestampsDeMux* self = new (ELeave) CMMFGetTimestampsDeMux;
       
   209 	return self;
       
   210 	}
       
   211 
       
   212 /*****************************************************************************/	
       
   213 CMMFGetTimestampsDeMux::CMMFGetTimestampsDeMux()
       
   214 	{	
       
   215 	}
       
   216 
       
   217 /*****************************************************************************/
       
   218 CMMFGetTimestampsDeMux::~CMMFGetTimestampsDeMux()
       
   219 	{
       
   220 	}
       
   221 
       
   222 /*****************************************************************************/
       
   223 TInt CMMFGetTimestampsDeMux::DoOpenSlaveL(TUid /*aInterface*/, const TDesC8& /*aPackageBuf*/)
       
   224 	{
       
   225 	// fetch the Playback status Hw Device custom interface
       
   226 	MMMFGetTimestamps* ptr = NULL;
       
   227 
       
   228 	ptr = static_cast<MMMFGetTimestamps*> (iTarget->CustomInterface(KUidGetTimestamps)); 
       
   229 	
       
   230 	if (!ptr)
       
   231 		{
       
   232 		iInterfaceGetTimestamps = NULL;
       
   233 		User::Leave(KErrNotSupported);
       
   234 		}
       
   235 	else
       
   236 		{
       
   237 		iInterfaceGetTimestamps = ptr;
       
   238 		}
       
   239 	return KErrNone;
       
   240 	}
       
   241 	
       
   242 /*****************************************************************************/	
       
   243 void CMMFGetTimestampsDeMux::DoCloseSlaveL(TInt /*aHandle*/)
       
   244 	{
       
   245 	// nothing to do
       
   246 	}
       
   247 
       
   248 /*****************************************************************************/
       
   249 // original RMessage is supplied so that remote demux plugin can extract necessary details
       
   250 // using DeMux utility
       
   251 TInt CMMFGetTimestampsDeMux::DoSendSlaveSyncCommandL(const RMmfIpcMessage& aMessage)
       
   252 	{
       
   253 	TMMFDevSoundCIMessageData data;
       
   254 
       
   255 	TInt retVal = KErrNone;
       
   256 	
       
   257 	// decode message
       
   258 	iUtility->GetSyncMessageDataL(aMessage, data);
       
   259 	
       
   260 	switch (data.iCommand)
       
   261 		{
       
   262 		case EMMFDevSoundCIGetTimestampsEnable:
       
   263 			{
       
   264 			TPckgBuf<TBool> flag; 
       
   265 			iUtility->ReadFromInputDesL(aMessage, &flag);
       
   266 			retVal = DoMmgtSetRecordSystemTimestampsEnabled(flag());
       
   267 			break;
       
   268 			}
       
   269 		default:
       
   270 			{
       
   271 			User::Leave(KErrNotSupported);
       
   272 			}
       
   273 		}
       
   274 	return retVal;
       
   275 	}
       
   276 	
       
   277 /*****************************************************************************/	
       
   278 TInt CMMFGetTimestampsDeMux::DoSendSlaveSyncCommandResultL(const RMmfIpcMessage& aMessage)
       
   279 	{
       
   280 	TMMFDevSoundCIMessageData data;
       
   281 
       
   282 	TInt retVal = KErrNone;
       
   283 	
       
   284 	// decode message
       
   285 	iUtility->GetSyncMessageDataL(aMessage, data);
       
   286 	
       
   287 	switch (data.iCommand)
       
   288 		{
       
   289 		case EMMFDevSoundCIGetTimestampsForBuffer:
       
   290 			{
       
   291 			TPckgBuf<TPositionTimestamp> value; 
       
   292 			iUtility->ReadFromInputDesL(aMessage, &value);
       
   293 			retVal = DoMmgtGetSystemTimestampForBuffer(value().iBufferPosition, value().iTimestamp);
       
   294 			iUtility->WriteToOutputDesL(aMessage, value);
       
   295 			break;
       
   296 			}
       
   297 		default:
       
   298 			{
       
   299 			User::Leave(KErrNotSupported);
       
   300 			}
       
   301 		}
       
   302 	return retVal;
       
   303 	}
       
   304 	
       
   305 /*****************************************************************************/	
       
   306 void CMMFGetTimestampsDeMux::DoSendSlaveAsyncCommandL(const RMmfIpcMessage& /*aMessage*/)
       
   307 	{
       
   308 	// not used in this interface
       
   309 	}
       
   310 	
       
   311 /*****************************************************************************/	
       
   312 void CMMFGetTimestampsDeMux::DoSendSlaveAsyncCommandResultL(const RMmfIpcMessage& /*aMessage*/)
       
   313 	{
       
   314 	// not used in this interface
       
   315 	}
       
   316 
       
   317 /*****************************************************************************/
       
   318 // Get Timestamp custom interface implementation
       
   319 TInt CMMFGetTimestampsDeMux::DoMmgtSetRecordSystemTimestampsEnabled(TBool aEnable)
       
   320 	{
       
   321 	if (!iInterfaceGetTimestamps)
       
   322 		{
       
   323 		return KErrNotReady;
       
   324 		}
       
   325 	else
       
   326 		{
       
   327 		return iInterfaceGetTimestamps->MmgtSetRecordSystemTimestampsEnabled(aEnable);
       
   328 		}	
       
   329 	}
       
   330 		
       
   331 TInt CMMFGetTimestampsDeMux::DoMmgtGetSystemTimestampForBuffer(const TTimeIntervalMicroSeconds& aBufferPosition,
       
   332 																TTime& aTimestamp)
       
   333 	{
       
   334 	if (!iInterfaceGetTimestamps)
       
   335 		{
       
   336 		return KErrNotReady;
       
   337 		}
       
   338 	else
       
   339 		{
       
   340 		return iInterfaceGetTimestamps->MmgtGetSystemTimestampForBuffer(aBufferPosition, aTimestamp);
       
   341 		}
       
   342 	}
       
   343 /*****************************************************************************/
       
   344 //
       
   345 // ImplementationTable
       
   346 //
       
   347 
       
   348 const TImplementationProxy ImplementationTable[] = 
       
   349 	{
       
   350 	IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfaceGetTimestampsMux, CMMFGetTimestampsMux::NewL),
       
   351 	IMPLEMENTATION_PROXY_ENTRY(KMmfUidCustomInterfaceGetTimestampsDeMux, CMMFGetTimestampsDeMux::NewL),
       
   352 	};
       
   353 
       
   354 /*****************************************************************************/
       
   355 //
       
   356 // ImplementationGroupProxy
       
   357 //
       
   358 //
       
   359 
       
   360 EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)
       
   361 	{
       
   362 	aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);
       
   363 
       
   364 	return ImplementationTable;
       
   365 	}
       
   366 
       
   367