omxil/generic/omxilfilesink/src/omxilfilesinkprocessingfunction.cpp
branchOpenMAX-IL_SHAI
changeset 16 eedf2dcd43c6
equal deleted inserted replaced
15:c1e808730d6c 16:eedf2dcd43c6
       
     1 // Copyright (c) 2008-2009 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 
       
    17 
       
    18 /**
       
    19  * @file
       
    20  * @internalTechnology
       
    21  */
       
    22 
       
    23 #include <uri8.h>
       
    24 #include "omxilcallbackmanager.h"
       
    25 #include "omxilfilesinkprocessingfunction.h"
       
    26 
       
    27 const TInt KMaxMsgQueueEntries = 25;
       
    28 
       
    29 COmxILFileSinkProcessingFunction* COmxILFileSinkProcessingFunction::NewL(MOmxILCallbackNotificationIf& aCallbacks)
       
    30 	{
       
    31 	COmxILFileSinkProcessingFunction* self = new (ELeave) COmxILFileSinkProcessingFunction(aCallbacks);
       
    32 	CleanupStack::PushL(self);
       
    33 	self->ConstructL();
       
    34 	CleanupStack::Pop(self);
       
    35 	return self;
       
    36 	}
       
    37 
       
    38 COmxILFileSinkProcessingFunction::COmxILFileSinkProcessingFunction(MOmxILCallbackNotificationIf& aCallbacks)
       
    39 : COmxILProcessingFunction(aCallbacks)
       
    40 	{
       
    41 	}
       
    42 
       
    43 void COmxILFileSinkProcessingFunction::ConstructL()
       
    44 	{
       
    45 	iState = OMX_StateLoaded;
       
    46 	iFileSinkAccess = CFileSinkAccess::NewL(*this);
       
    47 	iPFHelper = CPFHelper::NewL(*this, *iFileSinkAccess);
       
    48 	}
       
    49 
       
    50 COmxILFileSinkProcessingFunction::~COmxILFileSinkProcessingFunction()
       
    51 	{
       
    52 	if(iPFHelper &&
       
    53 	   (iState == OMX_StateInvalid  ||
       
    54 	    iState == OMX_StateExecuting ||
       
    55 	    iState == OMX_StatePause))
       
    56 		{
       
    57 		iPFHelper->StopSync();
       
    58 		}
       
    59 
       
    60 	delete iPFHelper;
       
    61 	delete iFileSinkAccess;
       
    62 	delete iUri;
       
    63 	delete iFileName;
       
    64 	
       
    65 	// Buffer headers are not owned by the processing function
       
    66     iBuffersToEmpty.Close();
       
    67 	}
       
    68 
       
    69 OMX_ERRORTYPE COmxILFileSinkProcessingFunction::StateTransitionIndication(COmxILFsm::TStateIndex aNewState)
       
    70 	{
       
    71 	OMX_ERRORTYPE err = OMX_ErrorNone;
       
    72 	switch(aNewState)
       
    73 		{
       
    74 		case COmxILFsm::EStateExecuting:
       
    75 			{
       
    76 			if (iPFHelper->ExecuteAsync() != KErrNone)
       
    77 				{
       
    78 				err = OMX_ErrorInsufficientResources;
       
    79 				}
       
    80 			}
       
    81 			break;
       
    82 			
       
    83 		case COmxILFsm::EStateInvalid:
       
    84 			{
       
    85             if (iPFHelper && iPFHelper->StopAsync() != KErrNone)
       
    86                 {
       
    87                 err = OMX_ErrorInsufficientResources;
       
    88                 }			
       
    89 			}
       
    90 			break;
       
    91 			
       
    92 		case COmxILFsm::EStatePause:
       
    93 			{
       
    94 			iPFHelper->PauseAsync();
       
    95 			}
       
    96 			break;
       
    97 			
       
    98 		case COmxILFsm::EStateIdle:
       
    99 			{
       
   100 			iPFHelper->IdleAsync();
       
   101 			}
       
   102 			break;
       
   103 			
       
   104 		case COmxILFsm::EStateLoaded:
       
   105 		case COmxILFsm::EStateWaitForResources:
       
   106 			{
       
   107 			if (iPFHelper && iPFHelper->StopAsync() != KErrNone)
       
   108 				{
       
   109 				err = OMX_ErrorInsufficientResources;
       
   110 				}
       
   111 			}
       
   112 			break;
       
   113 			
       
   114 		case COmxILFsm::ESubStateExecutingToIdle:
       
   115 			{
       
   116 			iPFHelper->StopAsync();
       
   117 			}
       
   118 			break;
       
   119 			
       
   120         case COmxILFsm::ESubStateLoadedToIdle:
       
   121         case COmxILFsm::ESubStateIdleToLoaded:			
       
   122 		case COmxILFsm::ESubStatePauseToIdle:
       
   123 			break;
       
   124 			
       
   125 		default:
       
   126 			{
       
   127 			err = OMX_ErrorIncorrectStateTransition;
       
   128 			}
       
   129 		};
       
   130 	return err;
       
   131 	}
       
   132 
       
   133 OMX_ERRORTYPE COmxILFileSinkProcessingFunction::BufferFlushingIndication(TUint32 aPortIndex, OMX_DIRTYPE aDirection)
       
   134 	{
       
   135 	OMX_ERRORTYPE err = OMX_ErrorNone;
       
   136     if ((aPortIndex == OMX_ALL && aDirection == OMX_DirMax) ||
       
   137         (aPortIndex == 0 && aDirection == OMX_DirInput))
       
   138         {
       
   139         // Send BufferDone notifications for each bufer...
       
   140         for (TUint i=0, bufferCount=iBuffersToEmpty.Count(); i<bufferCount; ++i)
       
   141             {
       
   142             OMX_BUFFERHEADERTYPE* pBufferHeader = iBuffersToEmpty[i];
       
   143             iCallbacks.BufferDoneNotification(pBufferHeader,
       
   144                                               pBufferHeader->nInputPortIndex,
       
   145                                               OMX_DirInput);
       
   146             }
       
   147         // Empty buffer lists...
       
   148         iBuffersToEmpty.Reset();
       
   149         }
       
   150     else
       
   151         {
       
   152         err = OMX_ErrorBadParameter;
       
   153         }
       
   154     return err;
       
   155 	}
       
   156 
       
   157 OMX_ERRORTYPE COmxILFileSinkProcessingFunction::ParamIndication(OMX_INDEXTYPE aParamIndex, const TAny* apComponentParameterStructure)
       
   158 	{
       
   159 	OMX_ERRORTYPE err = OMX_ErrorNone;
       
   160 	switch(aParamIndex)
       
   161 		{		
       
   162 		case OMX_IndexParamPortDefinition:
       
   163 			{
       
   164 			//const OMX_PARAM_PORTDEFINITIONTYPE* portDefinition = static_cast<const OMX_PARAM_PORTDEFINITIONTYPE*>(apComponentParameterStructure);
       
   165 			//nothing to do
       
   166 			//
       
   167 			//the number of buffers may change depending on capture mode (single shot vs burst mode)
       
   168 			//in that case, we need to do something for PF...
       
   169 			break;
       
   170 			}
       
   171 			
       
   172 		case OMX_IndexParamContentURI:
       
   173 			{
       
   174 			const OMX_PARAM_CONTENTURITYPE* contentUriType = reinterpret_cast<const OMX_PARAM_CONTENTURITYPE*>(apComponentParameterStructure);
       
   175 			err = SetFileName(contentUriType);
       
   176 			break;
       
   177 			}
       
   178 		default:
       
   179 			{
       
   180 			err = OMX_ErrorUnsupportedIndex;
       
   181 			}
       
   182 		}
       
   183 	return err;
       
   184 	}
       
   185 
       
   186 OMX_ERRORTYPE COmxILFileSinkProcessingFunction::ConfigIndication(OMX_INDEXTYPE /*aConfigIndex*/, const TAny* /*apComponentConfigStructure*/)
       
   187 	{
       
   188 	return OMX_ErrorNone;
       
   189 	}
       
   190 
       
   191 OMX_ERRORTYPE COmxILFileSinkProcessingFunction::BufferIndication(OMX_BUFFERHEADERTYPE* apBufferHeader, OMX_DIRTYPE aDirection)			
       
   192 	{
       
   193 	if (aDirection == OMX_DirInput)
       
   194     	{
       
   195     	if (iPFHelper->BufferIndication(apBufferHeader) != KErrNone)
       
   196     		{
       
   197     		return OMX_ErrorInsufficientResources;
       
   198     		}
       
   199 		}
       
   200     else
       
   201     	{
       
   202     	return OMX_ErrorBadParameter;
       
   203     	}
       
   204     
       
   205     return OMX_ErrorNone;	
       
   206 	}
       
   207 
       
   208 OMX_BOOL COmxILFileSinkProcessingFunction::BufferRemovalIndication(OMX_BUFFERHEADERTYPE* apBufferHeader, OMX_DIRTYPE /*aDirection*/)
       
   209 	{
       
   210 	OMX_BOOL headerDeletionResult = OMX_TRUE;
       
   211 	
       
   212 	TInt headerIndexInArray = KErrNotFound;
       
   213 	if (KErrNotFound != (headerIndexInArray = iBuffersToEmpty.Find(apBufferHeader)))
       
   214 		{
       
   215 		iBuffersToEmpty.Remove(headerIndexInArray);
       
   216 		}
       
   217 	else
       
   218 		{
       
   219 		headerDeletionResult = OMX_FALSE;
       
   220 		}
       
   221 	
       
   222     return headerDeletionResult;
       
   223 	}
       
   224 
       
   225 MOmxILCallbackNotificationIf& COmxILFileSinkProcessingFunction::GetCallbacks()
       
   226 	{
       
   227 	return iCallbacks;
       
   228 	}
       
   229 
       
   230 OMX_ERRORTYPE COmxILFileSinkProcessingFunction::SetFileName(const OMX_PARAM_CONTENTURITYPE* aContentUriType)
       
   231 	{
       
   232 	ASSERT(aContentUriType);
       
   233 	delete iFileName; 
       
   234 	iFileName = NULL;
       
   235 	delete iUri; 
       
   236 	iUri = NULL;
       
   237 	
       
   238 	//TInt dataLength = aContentUriType->nSize - sizeof(OMX_PARAM_CONTENTURITYPE) + 4;
       
   239 	TInt sizeOfUri = aContentUriType->nSize - _FOFF(OMX_PARAM_CONTENTURITYPE, contentURI); //Actual size of URI
       
   240 	if (sizeOfUri <= 0)
       
   241 		{
       
   242 		return OMX_ErrorBadParameter;
       
   243 		}
       
   244 	
       
   245 	// Don't include the zero character at the end.
       
   246 	//TPtrC8 uriDes(reinterpret_cast<const TUint8*>(&aContentUriType->contentURI), dataLength - 1);
       
   247 	TPtrC8 uriDes(aContentUriType->contentURI,sizeOfUri);
       
   248 	
       
   249 	TInt err = KErrNone;
       
   250 	do
       
   251 		{
       
   252 		TUriParser8 parser;
       
   253 		err = parser.Parse(uriDes);
       
   254 		if (err != KErrNone)
       
   255 			{
       
   256 			break;
       
   257 			}
       
   258 		
       
   259 		TRAP(err, iFileName = parser.GetFileNameL());
       
   260 		if (err != KErrNone)
       
   261 			{
       
   262 			break;
       
   263 			}
       
   264 		
       
   265 		// Remove Null charcter '\0' if any.
       
   266 		TPtr filePtr(iFileName->Des());
       
   267 		TInt index = filePtr.LocateReverse('\0');
       
   268 		if (index != KErrNotFound && index == filePtr.Length()-1)
       
   269 		    {
       
   270 		    filePtr.Delete(index,1);
       
   271 		    }
       
   272 
       
   273 		uriDes.Set(reinterpret_cast<const TUint8 *>(aContentUriType), aContentUriType->nSize );
       
   274 		iUri = uriDes.Alloc();
       
   275 		if (!iUri)
       
   276 			{
       
   277 			err = KErrNoMemory;
       
   278 			break;
       
   279 			}
       
   280 		
       
   281 		return OMX_ErrorNone;
       
   282 		}
       
   283 	while (EFalse);
       
   284 	
       
   285 	// Something failed.
       
   286 	ASSERT(err != KErrNone);
       
   287 	delete iFileName; 
       
   288 	iFileName = NULL;
       
   289 	delete iUri; 
       
   290 	iUri = NULL;
       
   291 	return (err == KErrNoMemory ? OMX_ErrorInsufficientResources : OMX_ErrorBadParameter);
       
   292 	}
       
   293 
       
   294 
       
   295 const HBufC* COmxILFileSinkProcessingFunction::FileName() const
       
   296 	{
       
   297 	return iFileName;
       
   298 	}
       
   299 
       
   300 const HBufC8* COmxILFileSinkProcessingFunction::Uri() const
       
   301 	{
       
   302 	return iUri;
       
   303 	}
       
   304 
       
   305 COmxILFileSinkProcessingFunction::CFileSinkAccess* COmxILFileSinkProcessingFunction::CFileSinkAccess::NewL(COmxILFileSinkProcessingFunction& aParent)
       
   306 	{
       
   307 	CFileSinkAccess* self = new (ELeave) CFileSinkAccess(aParent);
       
   308 	CleanupStack::PushL(self);
       
   309 	self->ConstructL();
       
   310 	CleanupStack::Pop(self);
       
   311 	return self;
       
   312 	}
       
   313 
       
   314 COmxILFileSinkProcessingFunction::CFileSinkAccess::CFileSinkAccess(COmxILFileSinkProcessingFunction& aParent)
       
   315 	: CActive(EPriorityStandard),
       
   316 	iParent(aParent),
       
   317 	iBufferOffset(0),
       
   318 	iWriteBuffer(0,0) 
       
   319 	{
       
   320 	CActiveScheduler::Add(this);
       
   321 	}
       
   322 
       
   323 void COmxILFileSinkProcessingFunction::CFileSinkAccess::ConstructL()
       
   324 	{
       
   325 	User::LeaveIfError(iFs.Connect());
       
   326 	}
       
   327 
       
   328 COmxILFileSinkProcessingFunction::CFileSinkAccess::~CFileSinkAccess()
       
   329 	{
       
   330 	Cancel();
       
   331 
       
   332 	iFileHandle.Close();
       
   333 	iFs.Close();
       
   334 	}
       
   335 
       
   336 void COmxILFileSinkProcessingFunction::CFileSinkAccess::RunL()
       
   337 	{
       
   338 	// The buffer is not on the list implies that they have already been flushed/spotted 
       
   339 	// via BufferFlushingIndication/BufferRemovalIndication
       
   340 	TInt index = iParent.iBuffersToEmpty.Find(iCurrentBuffer);
       
   341 	if (KErrNotFound != index)
       
   342 		{
       
   343 		switch(iStatus.Int())
       
   344 			{
       
   345 			case KErrNone: 
       
   346 				{
       
   347 				// Consumed all data completely
       
   348 				if(OMX_BUFFERFLAG_EOS & iCurrentBuffer->nFlags)
       
   349 					{
       
   350 					iFileHandle.Close();
       
   351 					iParent.GetCallbacks().EventNotification(OMX_EventBufferFlag, iCurrentBuffer->nInputPortIndex, OMX_BUFFERFLAG_EOS, NULL);
       
   352 					}
       
   353 				iCurrentBuffer->nFilledLen = 0;
       
   354 				iCurrentBuffer->nOffset = 0;
       
   355 				iCurrentBuffer->nFlags = 0;
       
   356 				iCurrentBuffer->nTimeStamp = 0;
       
   357 				break;
       
   358 				}
       
   359 			default:
       
   360 				{
       
   361 				// Leave actual value of iCurrentBuffer->nFilledLen
       
   362 				}
       
   363 			};
       
   364 		
       
   365 		iParent.GetCallbacks().BufferDoneNotification(iCurrentBuffer,iCurrentBuffer->nInputPortIndex,OMX_DirInput);
       
   366 		iParent.iBuffersToEmpty.Remove(index);
       
   367 		iCurrentBuffer = NULL;
       
   368 		if(iFileHandle.SubSessionHandle() != 0)
       
   369 			{
       
   370 			ProcessNextBuffer();	
       
   371 			}
       
   372 		}
       
   373 	}
       
   374 
       
   375 TInt COmxILFileSinkProcessingFunction::CFileSinkAccess::ProcessNextBuffer()
       
   376 	{
       
   377 	if ((iParent.iBuffersToEmpty.Count() > 0) && !IsActive() && iParent.iState == OMX_StateExecuting)
       
   378 		{
       
   379 		iCurrentBuffer = iParent.iBuffersToEmpty[0];
       
   380 		iWriteBuffer.Set(iCurrentBuffer->pBuffer, iCurrentBuffer->nFilledLen, iCurrentBuffer->nAllocLen);
       
   381 		
       
   382 		// If the buffer is empty, we should not invoke RFile::Write, but self-complete instead
       
   383     	if (iCurrentBuffer->nFilledLen == 0 || iFileHandle.SubSessionHandle() == 0)
       
   384     		{
       
   385      		SetActive();
       
   386 			TRequestStatus* status(&iStatus);
       
   387 			User::RequestComplete(status, KErrNone);
       
   388 		    }
       
   389 		else
       
   390 			{
       
   391 			iFileHandle.Write(iWriteBuffer, iCurrentBuffer->nFilledLen, iStatus);
       
   392 			SetActive();
       
   393 			}
       
   394 		}
       
   395 	
       
   396 	return KErrNone;
       
   397 	}
       
   398 
       
   399 void COmxILFileSinkProcessingFunction::CFileSinkAccess::DoCancel()
       
   400 	{
       
   401 	if (iFileHandle.SubSessionHandle() != 0)
       
   402 	    {
       
   403 	    iFileHandle.Close();
       
   404 	    }
       
   405 	iCurrentBuffer = NULL;
       
   406 	}
       
   407 
       
   408 TInt COmxILFileSinkProcessingFunction::CFileSinkAccess::Execute()
       
   409 	{
       
   410 	iParent.iState = OMX_StateExecuting;
       
   411 	return ProcessNextBuffer();
       
   412 	}
       
   413 
       
   414 void COmxILFileSinkProcessingFunction::CFileSinkAccess::Pause()
       
   415 	{
       
   416 	iParent.iState = OMX_StatePause;
       
   417 	Cancel();
       
   418 	}
       
   419 
       
   420 void COmxILFileSinkProcessingFunction::CFileSinkAccess::Idle()
       
   421     {
       
   422     iParent.iBuffersToEmpty.Reset();
       
   423     iParent.iState = OMX_StateIdle;
       
   424     }
       
   425 
       
   426 void COmxILFileSinkProcessingFunction::CFileSinkAccess::Stop()
       
   427 	{
       
   428 	if(iParent.iState == OMX_StateExecuting || iParent.iState == OMX_StatePause)
       
   429 		{
       
   430 		Cancel();
       
   431 		iParent.iState = OMX_StateIdle;
       
   432 		}
       
   433 	}
       
   434 
       
   435 COmxILFileSinkProcessingFunction::CPFHelper* COmxILFileSinkProcessingFunction::CPFHelper::NewL(COmxILFileSinkProcessingFunction& aParent, CFileSinkAccess& aFileSinkAccess)
       
   436 	{
       
   437 	CPFHelper* self = new (ELeave) CPFHelper(aParent, aFileSinkAccess);
       
   438 	CleanupStack::PushL(self);
       
   439 	self->ConstructL();
       
   440 	CleanupStack::Pop(self);
       
   441 	return self;
       
   442 	}
       
   443 
       
   444 COmxILFileSinkProcessingFunction::CPFHelper::CPFHelper(COmxILFileSinkProcessingFunction& aParent, CFileSinkAccess& aFileSinkAccess)
       
   445 : CActive(EPriorityStandard),
       
   446   iParent(aParent),
       
   447   iFileSinkAccess(aFileSinkAccess)
       
   448 	{
       
   449 	CActiveScheduler::Add(this);
       
   450 	}
       
   451 	
       
   452 void COmxILFileSinkProcessingFunction::CPFHelper::ConstructL()
       
   453 	{
       
   454 	User::LeaveIfError(iMsgQueue.CreateLocal(KMaxMsgQueueEntries));
       
   455 	SetActive();
       
   456 	iMsgQueue.NotifyDataAvailable(iStatus);
       
   457 	}
       
   458 	
       
   459 COmxILFileSinkProcessingFunction::CPFHelper::~CPFHelper()
       
   460 	{
       
   461 	Cancel(); 
       
   462 	iMsgQueue.Close();
       
   463 	}
       
   464 
       
   465 void COmxILFileSinkProcessingFunction::CPFHelper::RunL()
       
   466 	{
       
   467 	TInt err = ProcessQueue();
       
   468 	if (err != KErrNone)
       
   469 		{
       
   470 		iParent.GetCallbacks().ErrorEventNotification( ConvertSymbianErrorType(err));
       
   471 		} 
       
   472 	
       
   473 	// setup for next callbacks		
       
   474 	SetActive();
       
   475 	iMsgQueue.NotifyDataAvailable(iStatus);
       
   476 	}
       
   477 
       
   478 void COmxILFileSinkProcessingFunction::CPFHelper::DoCancel()
       
   479 	{
       
   480 	if (iMsgQueue.Handle())
       
   481 		{
       
   482 		ProcessQueue();	// TODO: ignore the error?
       
   483 		iMsgQueue.CancelDataAvailable();
       
   484 		}
       
   485 	}
       
   486 
       
   487 TInt COmxILFileSinkProcessingFunction::CPFHelper::ProcessQueue()
       
   488 	{
       
   489 	TProcMessage msg;
       
   490 	TInt err = KErrNone;
       
   491 	
       
   492 	while (iMsgQueue.Receive(msg) == KErrNone)
       
   493 		{
       
   494 		switch (msg.iType)
       
   495 			{
       
   496 			case EExecuteCommand:
       
   497 				{
       
   498                 const HBufC* fileName = iParent.FileName();
       
   499 	            if (fileName)
       
   500                     {
       
   501                     TUint fileMode = EFileWrite | EFileShareExclusive;
       
   502                     if(iFileSinkAccess.iFileHandle.SubSessionHandle() == 0)
       
   503                         {
       
   504                         err = iFileSinkAccess.iFileHandle.Replace(iFileSinkAccess.iFs, *fileName, fileMode);
       
   505                         }                    
       
   506                     }
       
   507                 if ( err == KErrNone)
       
   508                     {
       
   509                     err = iFileSinkAccess.Execute();
       
   510                     }	            
       
   511 				break;
       
   512 				}			
       
   513 
       
   514 			case EStopCommand:
       
   515 				{
       
   516 				iFileSinkAccess.Stop();	
       
   517 				break;
       
   518 				}
       
   519 				
       
   520 			case EPauseCommand:
       
   521 				{
       
   522 				iFileSinkAccess.Pause();	
       
   523 				break;
       
   524 				}
       
   525 				
       
   526             case EIdleCommand:
       
   527                 {
       
   528                 iFileSinkAccess.Idle();
       
   529                 break;
       
   530                 }
       
   531 				
       
   532 			case EBufferIndication:
       
   533 				{
       
   534 				OMX_BUFFERHEADERTYPE* bufferHeader = reinterpret_cast<OMX_BUFFERHEADERTYPE*>(msg.iPtr);
       
   535 				if ( bufferHeader && (iParent.iState == OMX_StateExecuting || iParent.iState == OMX_StatePause 
       
   536 				        || iParent.iState == OMX_StateIdle) )
       
   537 					{
       
   538 					err = iParent.iBuffersToEmpty.Append(bufferHeader);
       
   539 					if(err == KErrNone)
       
   540 						{
       
   541 						if(iParent.iState != OMX_StateIdle)
       
   542 						    {
       
   543 						    err = iFileSinkAccess.ProcessNextBuffer();
       
   544 						    }
       
   545 						}
       
   546 					else
       
   547 					    {
       
   548 					    // to prevent potential buffer leakage if the Append operation fails 
       
   549 					    iParent.GetCallbacks().BufferDoneNotification(bufferHeader, bufferHeader->nInputPortIndex,OMX_DirInput);
       
   550 					    }
       
   551 					}
       
   552 				break;
       
   553 				}
       
   554 			default:
       
   555 				{
       
   556 				break;
       
   557 				}					
       
   558 			}
       
   559 		
       
   560 		if (err)
       
   561 			{
       
   562 			break;
       
   563 			}
       
   564 		}
       
   565 	return err;
       
   566 	}
       
   567 
       
   568 TInt COmxILFileSinkProcessingFunction::CPFHelper::ExecuteAsync()
       
   569 	{
       
   570 	TProcMessage message;
       
   571 	message.iType = EExecuteCommand;
       
   572 	return iMsgQueue.Send(message);
       
   573 	}
       
   574 	
       
   575 TInt COmxILFileSinkProcessingFunction::CPFHelper::StopAsync()
       
   576 	{
       
   577 	TProcMessage message;
       
   578 	message.iType = EStopCommand;
       
   579 	return iMsgQueue.Send(message);
       
   580 	}
       
   581 		
       
   582 TInt COmxILFileSinkProcessingFunction::CPFHelper::PauseAsync()
       
   583     {
       
   584     TProcMessage message;
       
   585     message.iType = EPauseCommand;
       
   586     return iMsgQueue.Send(message);    
       
   587     }
       
   588 	
       
   589 TInt COmxILFileSinkProcessingFunction::CPFHelper::BufferIndication(OMX_BUFFERHEADERTYPE* apBufferHeader)
       
   590 	{
       
   591 	TProcMessage message;
       
   592 	message.iType = EBufferIndication;
       
   593 	message.iPtr = apBufferHeader;
       
   594 	return iMsgQueue.Send(message);
       
   595 	}
       
   596 
       
   597 void COmxILFileSinkProcessingFunction::CPFHelper::StopSync()
       
   598     {
       
   599     // Cancel to process the existing queue before handling this command
       
   600     Cancel();
       
   601     iFileSinkAccess.Stop(); 
       
   602     
       
   603     // setup for next callbacks     
       
   604     SetActive();
       
   605     iMsgQueue.NotifyDataAvailable(iStatus);
       
   606     }
       
   607 
       
   608 TInt COmxILFileSinkProcessingFunction::CPFHelper::IdleAsync()
       
   609     {
       
   610     TProcMessage message;
       
   611     message.iType = EIdleCommand;
       
   612     return iMsgQueue.Send(message);
       
   613     }
       
   614 /**
       
   615  Converts a Symbian error code to an OpenMAX error code.
       
   616  @param     aError The Symbian error code.
       
   617  @return    The OpenMAX error code.
       
   618  */
       
   619 OMX_ERRORTYPE COmxILFileSinkProcessingFunction::CPFHelper::ConvertSymbianErrorType(TInt aError)
       
   620     {
       
   621     // In the current implementation this function is only used for the return code in the 
       
   622     // callback methods. Currently the only expected errors KErrNone and KErrOverflow.
       
   623     
       
   624     OMX_ERRORTYPE err = OMX_ErrorNone;
       
   625     switch (aError)
       
   626         {
       
   627     case KErrNone:
       
   628         err = OMX_ErrorNone;
       
   629         break;
       
   630     case KErrOverflow:
       
   631     case KErrNoMemory:
       
   632         err = OMX_ErrorInsufficientResources;
       
   633         break;
       
   634     case KErrNotSupported:
       
   635         err = OMX_ErrorNotImplemented;
       
   636         break;
       
   637     case KErrNotReady:
       
   638         err = OMX_ErrorNotReady;
       
   639         break;
       
   640     case KErrGeneral:
       
   641     default:
       
   642         err = OMX_ErrorUndefined;
       
   643         }
       
   644     return err;
       
   645     }