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os/mm/mmdevicefw/mdf/src/openmax/omxcomponentbody.cpp
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution. 
     1 // Copyright (c) 2005-2009 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 <e32base.h>

    17 #include <e32msgqueue.h>

    18 #include <mmf/server/mmfdatabuffer.h>

    19 #include "omxcomponentbody.h"

    20 #include "omxcomponentimpl.h"

    21 

    22 const TInt KMaxMsgQueueEntries = 10;

    23 const TInt KMaxComponentNameLength = 256;

    24 

    25 const TInt KSymbianErrors[] =

    26 	{

    27 	KErrNoMemory, /*OMX_ErrorInsufficientResources*/

    28 	KErrUnknown,

    29 	KErrBadName,

    30 	KErrNotFound,

    31 	KErrGeneral, /*OMX_ErrorInvalidComponent*/

    32 	KErrArgument, /*OMX_ErrorBadParameter*/

    33 	KErrNotSupported, /*OMX_ErrorNotImplemented*/

    34 	KErrUnderflow, /*OMX_ErrorUnderflow*/

    35 	KErrOverflow, /*OMX_ErrorOverflow*/

    36 	KErrHardwareNotAvailable, /* OMX_ErrorHardware*/

    37 	KErrGeneral, /*OMX_ErrorInvalidState*/

    38   	KErrCorrupt, /*OMX_ErrorStreamCorrupt*/

    39   	KErrArgument, /*OMX_ErrorPortsNotCompatible*/

    40   	KErrHardwareNotAvailable, /*OMX_ErrorResourcesLost*/

    41   	KErrCompletion, /*OMX_ErrorNoMore*/ 

    42   	KErrGeneral, /*OMX_ErrorVersionMismatch*/

    43   	KErrNotReady, /*OMX_ErrorNotReady*/

    44   	KErrTimedOut, /*OMX_ErrorTimeout*/

    45   	KErrNone /*OMX_ErrorSameState*/

    46 	};

    47 

    48 /**

    49  Converts an OpenMAX error code to a Symbian error code.

    50  @param		aErrorType The OpenMAX error code.

    51  @return	The Symbian error code.

    52  */

    53 TInt ConvertOmxErrorType(OMX_ERRORTYPE aErrorType)

    54 	{

    55 	if (aErrorType == OMX_ErrorNone)

    56 		{

    57 		return KErrNone;

    58 		}

    59 	else if (aErrorType >= OMX_ErrorInsufficientResources &&

    60 			  aErrorType <= OMX_ErrorSameState)

    61 		{

    62 		return KSymbianErrors[aErrorType - OMX_ErrorInsufficientResources];

    63 		}

    64 	else

    65 		{

    66 		return KErrGeneral;

    67 		}

    68 	}

    69 	

    70 /**

    71  Converts a Symbian error code to an OpenMAX error code.

    72  @param		aError The Symbian error code.

    73  @return	The OpenMAX error code.

    74  */

    75 OMX_ERRORTYPE ConvertSymbianErrorType(TInt aError)

    76 	{

    77 	OMX_ERRORTYPE err = OMX_ErrorNone;

    78 	switch (aError)

    79 		{

    80 	case KErrNone:

    81 		err = OMX_ErrorNone;

    82 		break;

    83 	case KErrNoMemory:

    84 		err = OMX_ErrorInsufficientResources;

    85 		break;

    86 	case KErrGeneral:

    87 		break;

    88 	default:

    89 		err = OMX_ErrorUndefined;

    90 		}

    91 	return err;

    92 	}

    93 

    94 

    95 COmxBufferManager::COmxBufferManager(OMX_COMPONENTTYPE* aHandle)

    96 	: iHandle(aHandle)

    97 	{

    98 	}

    99 	

   100 COmxBufferManager::COmxBuffer::COmxBuffer()

   101 	{

   102 	}

   103 	

   104 	

   105 COmxBufferManager::COmxBuffer* COmxBufferManager::COmxBuffer::NewL(OMX_BUFFERHEADERTYPE* aBufferHeader, CMMFBuffer* aBuffer)

   106 	{

   107 	COmxBuffer* self = new (ELeave) COmxBuffer;

   108 	CleanupStack::PushL(self);

   109 	self->ConstructL(aBufferHeader, aBuffer);

   110 	CleanupStack::Pop(self);

   111 	return self;

   112 	}

   113 	

   114 COmxBufferManager::COmxBuffer::~COmxBuffer()

   115 	{

   116 	if (iOwnsMmfBuffer)

   117 		{

   118 		delete iMmfBuffer;

   119 		}

   120 	}

   121 	

   122 	

   123 CMMFBuffer* COmxBufferManager::COmxBuffer::MmfBuffer() const

   124 	{

   125 	return iMmfBuffer;

   126 	}

   127 	

   128 OMX_BUFFERHEADERTYPE* COmxBufferManager::COmxBuffer::BufferHeader() const

   129 	{

   130 	return iBufferHeader;

   131 	}

   132 

   133 

   134 MOmxInputPortCallbacks* COmxBufferManager::COmxBuffer::InputPortCallbacks() const

   135 	{

   136 	return iInputPortCallbacks;

   137 	}

   138 	

   139 MOmxOutputPortCallbacks* COmxBufferManager::COmxBuffer::OutputPortCallbacks() const

   140 	{

   141 	return iOutputPortCallbacks;

   142 	}

   143 	

   144 void COmxBufferManager::COmxBuffer::SetInputPortCallbacks(MOmxInputPortCallbacks* aCallbacks)

   145 	{

   146 	iInputPortCallbacks = aCallbacks;

   147 	}

   148 	

   149 void COmxBufferManager::COmxBuffer::SetOutputPortCallbacks(MOmxOutputPortCallbacks* aCallbacks)

   150 	{

   151 	iOutputPortCallbacks = aCallbacks;

   152 	}

   153 	

   154 // look up the corresponding buffer

   155 COmxBufferManager::COmxBuffer* COmxBufferManager::FindBuffer(const CMMFBuffer* aBuffer) const

   156 	{

   157 	COmxBuffer* buffer = NULL;

   158 	for (TInt i=0;i<iBuffers.Count() && !buffer;i++)

   159 		{

   160 		if (iBuffers[i]->MmfBuffer() == aBuffer)

   161 			{

   162 			buffer = iBuffers[i];

   163 			}

   164 		}

   165 	return buffer;

   166 	}

   167 	

   168 COmxBufferManager::COmxBuffer* COmxBufferManager::FindBuffer(OMX_BUFFERHEADERTYPE* aBuffer) const

   169 	{

   170 	return reinterpret_cast<COmxBuffer*>(aBuffer->pAppPrivate);

   171 	}

   172 

   173 	

   174 	

   175  TInt COmxBufferManager::UseBuffer(CMMFBuffer& aBuffer, TUint aPortIndex)

   176 	{

   177 	if (CMMFBuffer::IsSupportedDataBuffer(aBuffer.Type()))

   178 		{

   179 		OMX_BUFFERHEADERTYPE* buffer;

   180 		CMMFDataBuffer& dataBuffer = static_cast<CMMFDataBuffer&>(aBuffer);

   181 				

   182         TDes8& aBufferDes = dataBuffer.Data();

   183         OMX_ERRORTYPE error = iHandle->UseBuffer(static_cast<OMX_HANDLETYPE>(iHandle), &buffer, aPortIndex, (void*)&aBuffer, aBufferDes.MaxLength(), const_cast<TUint8*>(aBufferDes.Ptr()));

   184     	if (error != OMX_ErrorNone)

   185     		{

   186     		return ConvertOmxErrorType(error);

   187     		}

   188 		TRAPD(err, StoreBufferL(buffer, &aBuffer));

   189 		return err;

   190 		}

   191 	else

   192 		{

   193 		return KErrNotSupported;

   194 		}

   195 	}

   196 

   197 

   198  CMMFBuffer* COmxBufferManager::AllocateBufferL(TUint aPortIndex, TUint aSizeBytes)

   199 	{

   200 	OMX_BUFFERHEADERTYPE* buffer;

   201 	OMX_ERRORTYPE error = iHandle->AllocateBuffer(static_cast<OMX_HANDLETYPE>(iHandle), &buffer, aPortIndex, NULL, aSizeBytes);

   202 	User::LeaveIfError(ConvertOmxErrorType(error));

   203 

   204 	StoreBufferL(buffer,NULL); // transfers ownership

   205 

   206 	// return the newly created buffer

   207 	return FindBuffer(buffer)->MmfBuffer();

   208 	}

   209 	

   210 

   211  TInt COmxBufferManager::FreeBuffer(CMMFBuffer* aBuffer)

   212 	{

   213 	COmxBuffer* buffer;

   214 	for (TInt i=0;i<iBuffers.Count();i++)

   215 		{

   216 		buffer = iBuffers[i];

   217 		if (buffer->MmfBuffer() == aBuffer)

   218 			{

   219 			iBuffers.Remove(i);

   220 			OMX_ERRORTYPE err = iHandle->FreeBuffer(static_cast<OMX_HANDLETYPE>(iHandle), 0, buffer->BufferHeader());

   221 			delete buffer;

   222 			return err;

   223 			}

   224 		}

   225 	return KErrNotFound;

   226 	}

   227 	

   228 void COmxBufferManager::COmxBuffer::ConstructL(OMX_BUFFERHEADERTYPE* aBufferHeader, CMMFBuffer* aBuffer)

   229 	{

   230 	

   231 	// Now if CMMFBuffer is NULL, this is been called from allocate buffer, and we need to 

   232 	// Allocate a ptr buffer to correspond to the buffer created by OMX

   233 	ASSERT(aBufferHeader);

   234 	iBufferHeader = aBufferHeader;	

   235 	if (aBuffer == NULL)

   236 		{

   237 		TPtr8 ptr(iBufferHeader->pBuffer, iBufferHeader->nFilledLen, iBufferHeader->nAllocLen);

   238 		CMMFBuffer* mmfBuffer = CMMFPtrBuffer::NewL(ptr);

   239 		iMmfBuffer = mmfBuffer;

   240 		iOwnsMmfBuffer = ETrue;

   241 		}

   242 	else

   243 		{

   244 		iMmfBuffer = aBuffer;

   245 		}

   246 		

   247 	// store pointer to element in array

   248 	iBufferHeader->pAppPrivate = this;

   249 	}

   250 

   251 

   252 

   253 // Store OMX buffer pointer

   254 void COmxBufferManager::StoreBufferL(OMX_BUFFERHEADERTYPE* aBufferHeader, CMMFBuffer* aBuffer)

   255 	{

   256 	COmxBuffer* buf = COmxBuffer::NewL(aBufferHeader, aBuffer);

   257 	CleanupStack::PushL(buf);

   258 	iBuffers.AppendL(buf);

   259 	CleanupStack::Pop(buf);

   260 	}

   261 	

   262 	

   263  TInt COmxBufferManager::EmptyThisBuffer(const CMMFBuffer* aBuffer, MOmxInputPortCallbacks* aObserver)

   264 	{

   265 	if (CMMFBuffer::IsSupportedDataBuffer(aBuffer->Type()))

   266 		{

   267 		COmxBuffer* omxBuffer = FindBuffer(aBuffer);

   268 		if (!omxBuffer)

   269 			{

   270 			return KErrNotFound;

   271 			}

   272 

   273 		omxBuffer->SetInputPortCallbacks(aObserver);

   274 		OMX_BUFFERHEADERTYPE* bufferHeader = omxBuffer->BufferHeader();

   275 		const CMMFDataBuffer* buf = static_cast<const CMMFDataBuffer*>(aBuffer);

   276 		const TDesC8& des = buf->Data();

   277 		bufferHeader->nFilledLen = des.Length();

   278 		bufferHeader->nFlags = 0;

   279 		if (aBuffer->LastBuffer())

   280 			{	

   281 			bufferHeader->nFlags |= OMX_BUFFERFLAG_EOS;

   282 			}

   283 		else

   284 			{

   285 			bufferHeader->nFlags &= ~OMX_BUFFERFLAG_EOS;

   286 			}

   287 		return ConvertOmxErrorType(iHandle->EmptyThisBuffer(static_cast<OMX_HANDLETYPE>(iHandle), bufferHeader));

   288 		}

   289 	else

   290 		{

   291 		return KErrNotSupported;

   292 		}

   293 	}

   294 

   295 

   296  TInt COmxBufferManager::FillThisBuffer(CMMFBuffer* aBuffer, MOmxOutputPortCallbacks* aObserver)

   297 	{

   298 	if (CMMFBuffer::IsSupportedDataBuffer(aBuffer->Type()))

   299 		{

   300 		COmxBuffer* omxBuffer = FindBuffer(aBuffer);

   301 		if (!omxBuffer)

   302 			{

   303 			return KErrNotFound;

   304 			}

   305 		omxBuffer->SetOutputPortCallbacks(aObserver);

   306 		OMX_BUFFERHEADERTYPE* bufferHeader = omxBuffer->BufferHeader();

   307 		

   308 		bufferHeader->nFilledLen = 0;

   309 		// clear last buffer flag

   310 		bufferHeader->nFlags &= ~OMX_BUFFERFLAG_EOS;

   311 		return ConvertOmxErrorType(iHandle->FillThisBuffer(static_cast<OMX_HANDLETYPE>(iHandle), bufferHeader));

   312 		}

   313 	else

   314 		{

   315 		return KErrNotSupported;

   316 		}

   317 	}

   318 

   319 	

   320 	

   321 COmxBufferManager::~COmxBufferManager()

   322 	{

   323 	for (TInt i=0;i<iBuffers.Count();i++)

   324 		{

   325 		COmxBuffer* omxBuffer = iBuffers[i];

   326 		iHandle->FreeBuffer(static_cast<OMX_HANDLETYPE>(iHandle), 0, omxBuffer->BufferHeader());

   327 		delete omxBuffer;

   328 		}

   329 	iBuffers.Close();

   330 	}

   331 	

   332 //  Implementation of the Class COmxComponent

   333 

   334 

   335 

   336 COmxCallbacks* COmxCallbacks::NewL(MOmxPuCallbacks& aPuCallbacks)

   337 	{

   338 	COmxCallbacks* self = new (ELeave) COmxCallbacks(aPuCallbacks);

   339 	CleanupStack::PushL(self);

   340 	self->ConstructL();

   341 	CleanupStack::Pop(self);

   342 	return self;

   343 	}

   344 	

   345 	

   346 void COmxCallbacks::ConstructL()

   347 	{

   348 	OMX_CALLBACKTYPE h =

   349 			{

   350 			&::EventHandler,

   351 			&::EmptyBufferDone,

   352 			&::FillBufferDone

   353 			};

   354 			

   355 	iHandle = h;

   356 	CActiveScheduler::Add(this);

   357 

   358 	User::LeaveIfError(iMsgQueue.CreateLocal(KMaxMsgQueueEntries));

   359 	iMsgQueue.NotifyDataAvailable(iStatus);

   360 	SetActive();

   361 	}

   362 

   363 COmxCallbacks::COmxCallbacks(MOmxPuCallbacks& aPuCallbacks)

   364 	: CActive(EPriorityNormal),

   365 	iPuCallbacks(&aPuCallbacks)

   366 	{

   367 	}

   368 		

   369 	

   370 COmxCallbacks::operator OMX_CALLBACKTYPE*()

   371 	{

   372 	return &iHandle;

   373 	}

   374 	

   375 	

   376 void COmxCallbacks::RunL()

   377 	{

   378 	TOmxMessage msg;

   379 	while (iMsgQueue.Receive(msg)==KErrNone)

   380 		{

   381 		switch (msg.iType)

   382 			{

   383 			case EEmptyBufferCallback:

   384 				{

   385 				MOmxInputPortCallbacks* callback = msg.iBuffer->InputPortCallbacks();

   386 				const CMMFBuffer* buffer = msg.iBuffer->MmfBuffer();

   387 				callback->EmptyBufferDone(msg.iComponent, buffer);

   388 				break;

   389 				}				

   390 

   391 			case EFillBufferCallback:

   392 				{

   393 				CMMFBuffer* mmfBuffer = msg.iBuffer->MmfBuffer();

   394 				OMX_BUFFERHEADERTYPE* bufferHeader = msg.iBuffer->BufferHeader();

   395 

   396 				if (CMMFBuffer::IsSupportedDataBuffer(mmfBuffer->Type()))

   397 					{

   398 					CMMFDataBuffer* dataBuffer = static_cast<CMMFDataBuffer*>(mmfBuffer);

   399 					TDes8& aBufferDes = dataBuffer->Data();

   400 					aBufferDes.SetLength(bufferHeader->nFilledLen);

   401 					mmfBuffer->SetLastBuffer(bufferHeader->nFlags & OMX_BUFFERFLAG_EOS);

   402 					}				

   403 				else

   404 					{

   405 					ASSERT(EFalse);

   406 					}

   407 				MOmxOutputPortCallbacks* callback = msg.iBuffer->OutputPortCallbacks();

   408 				callback->FillBufferDone(msg.iComponent, mmfBuffer);

   409 				break;

   410 				}				

   411 			case EEventCallback:

   412 				{

   413 				iPuCallbacks->MopcEventHandler(msg.iComponent, 

   414 											msg.iEventParams.iEvent, 

   415 											msg.iEventParams.iData1, 

   416 											msg.iEventParams.iData2, 

   417 											msg.iEventParams.iExtra);

   418 				break;

   419 				}				

   420 			default:

   421 				{

   422 				// This is an invalid state

   423 				ASSERT(EFalse);

   424 				}					

   425 			};

   426 		}

   427 

   428 	// setup for next callbacks		

   429 	iStatus = KRequestPending;

   430 	iMsgQueue.NotifyDataAvailable(iStatus);

   431 	SetActive();	

   432 	}

   433 	

   434 COmxCallbacks::~COmxCallbacks()

   435 	{

   436 	Cancel();	

   437 	iMsgQueue.Close();

   438 	}

   439 	

   440 	

   441 void COmxCallbacks::DoCancel()

   442 	{

   443 	if (iMsgQueue.Handle()!=NULL)

   444 		{

   445 		iMsgQueue.CancelDataAvailable();

   446 		}

   447 	}

   448 	

   449 TInt COmxCallbacks::FillBufferDone(OMX_HANDLETYPE aComponent, COmxBufferManager::COmxBuffer* aBuffer)

   450 	{

   451 	TOmxMessage message;

   452 	message.iType = EFillBufferCallback;

   453 	message.iComponent = aComponent;

   454 	message.iBuffer = aBuffer;

   455 	return iMsgQueue.Send(message);

   456 	}

   457 	

   458 TInt COmxCallbacks::EmptyBufferDone(OMX_HANDLETYPE aComponent, COmxBufferManager::COmxBuffer* aBuffer)

   459 	{

   460 	TOmxMessage message;

   461 	message.iType = EEmptyBufferCallback;

   462 	message.iComponent = aComponent;

   463 	message.iBuffer = aBuffer;

   464 	return iMsgQueue.Send(message);

   465 	}

   466 	

   467 TInt COmxCallbacks::EventHandler(OMX_HANDLETYPE aComponent, TEventParams aEventParams)

   468 	{

   469 	TOmxMessage message;

   470 	message.iType = EEventCallback;

   471 	message.iComponent = aComponent;

   472 	message.iEventParams = aEventParams;

   473 	return iMsgQueue.Send(message);

   474 	}

   475 

   476 

   477  COmxProcessingUnit::CBody::CBody()

   478 	{

   479 	iPuState = EProcessingUnitInvalid;

   480 	}

   481 

   482 

   483 COmxProcessingUnit::CBody::~CBody()

   484 	{

   485 	delete iBufferManager;

   486 	delete iCallbacks;

   487 	

   488 	iInputPorts.Close();

   489 	iOutputPorts.Close();

   490 

   491 	::OMX_FreeHandle((OMX_HANDLETYPE)iHandle);

   492 	}

   493 

   494 COmxProcessingUnit::CBody* COmxProcessingUnit::CBody::NewL(const TDesC8& aComponentName, 

   495 															MOmxPuCallbacks& aPuCallbacks, 

   496 															COmxProcessingUnit* aParent,

   497 															const MMdfProcessingUnitObserver& aObserver)

   498 	{

   499 	CBody* self = new (ELeave) CBody;

   500 	CleanupStack::PushL(self);

   501 	self->ConstructL(aComponentName, aPuCallbacks, aParent, aObserver);

   502 	CleanupStack::Pop(self);

   503 	return self;

   504 	}

   505 	

   506 	

   507 void COmxProcessingUnit::CBody::ConstructL(const TDesC8& aComponentName, 

   508 											MOmxPuCallbacks& aPuCallbacks, 

   509 											COmxProcessingUnit* aParent,

   510 											const MMdfProcessingUnitObserver& aObserver)

   511 	{

   512 	iCallbacks = COmxCallbacks::NewL(aPuCallbacks);

   513 	

   514 	iParent = aParent;

   515 	iObserver = const_cast<MMdfProcessingUnitObserver*>(&aObserver);

   516 

   517 	OMX_ERRORTYPE errorType;

   518 	OMX_CALLBACKTYPE* omxCallbacks = *iCallbacks;

   519 	TBuf8<KMaxComponentNameLength> buf;

   520 	buf.Copy(aComponentName);

   521 	const char* name = reinterpret_cast<const char*>(buf.PtrZ());

   522 	errorType = ::OMX_GetHandle((OMX_HANDLETYPE*)&iHandle, const_cast<char*>(name), iCallbacks, omxCallbacks);

   523 

   524 	User::LeaveIfError(ConvertOmxErrorType(errorType));

   525 	// Create the BufferManager class to look after the buffering

   526 	iBufferManager = new (ELeave) COmxBufferManager(iHandle);

   527 	SetPuState(EProcessingUnitLoaded);

   528 	}

   529 

   530 

   531 

   532 TInt COmxProcessingUnit::CBody::GetInputPorts(RPointerArray<MMdfInputPort>& aComponentInputPorts)

   533 	{

   534 	TInt err = KErrNone;

   535 	for (TInt i=0; i < iInputPorts.Count() && err == KErrNone; i++ )

   536 		{

   537 		err = aComponentInputPorts.Append(iInputPorts[i]);

   538 		}

   539 	return err;

   540 	}

   541 

   542 

   543 TInt COmxProcessingUnit::CBody::GetOutputPorts(RPointerArray<MMdfOutputPort>& aComponentOutputPorts)

   544 	{

   545 	TInt err = KErrNone;

   546 	for (TInt i=0; i < iOutputPorts.Count() && err == KErrNone; i++ )

   547 		{

   548 		err = aComponentOutputPorts.Append(iOutputPorts[i]);

   549 		}

   550 	return err;

   551 	}

   552 	

   553 

   554 void COmxProcessingUnit::CBody::Initialize()

   555 	{

   556 	// if the state is not Loaded, we should not accept this call

   557 	if (State() != EProcessingUnitLoaded)

   558 		{	

   559 		Observer()->InitializeComplete(iParent, KErrNotReady); 

   560 		}

   561 	else

   562 		{

   563 		// initialize each of the ports in turn		

   564 		for (TInt i=0; i < iInputPorts.Count(); i++ )

   565 			{

   566 			iInputPorts[i]->MipInitialize();

   567 			}

   568 		

   569 	for (TInt i=0; i < iOutputPorts.Count(); i++ )

   570 		{

   571 		iOutputPorts[i]->MopInitialize();

   572 		}

   573 

   574 		// instruct the OMX component to go into the Idle state

   575 		SendCommand(OMX_CommandStateSet, OMX_StateIdle, NULL);

   576 		SetPuState(EProcessingUnitInitializing);

   577 		}	

   578 	}

   579 

   580 void COmxProcessingUnit::CBody::Execute()

   581 	{

   582 	

   583 	SendCommand(OMX_CommandStateSet, OMX_StateExecuting, NULL);

   584 	iPuState = EProcessingUnitExecuting;

   585 	}

   586 		

   587 TProcessingUnitState COmxProcessingUnit::CBody::State()

   588 	{

   589 	return iPuState;

   590 	}

   591 	

   592 TInt COmxProcessingUnit::CBody::EventHandler(OMX_HANDLETYPE /*aComponent*/, OMX_EVENTTYPE aEvent, TUint32 /*aData1*/,

   593 		 TUint32 aData2, TAny* /*aExtraInfo*/)

   594 	{	

   595 	switch (aEvent)

   596 		{

   597 		

   598 		case OMX_EventCmdComplete:

   599 			{

   600 		

   601 			switch (aData2)

   602 				{

   603 				case OMX_StateIdle:

   604 					if (iPuState == EProcessingUnitInitializing)

   605 						{

   606 						Observer()->InitializeComplete(iParent, KErrNone);

   607 						}

   608 					else

   609 						{

   610 						Observer()->ExecuteComplete(iParent, KErrNone);

   611 						}

   612 					SetPuState(EProcessingUnitIdle);

   613 					

   614 					break;

   615 				};

   616 			break;

   617 			}

   618 		case OMX_EventBufferFlag:

   619 			{

   620 			SendCommand(OMX_CommandStateSet, OMX_StateIdle, NULL);

   621 			}

   622 		}

   623 	return KErrNone;

   624 	}

   625 

   626 // Base Versions are not supported

   627 TInt COmxProcessingUnit::CBody::Configure(const TPuConfig& /*aConfig*/)

   628 	{

   629 	return KErrNotSupported;

   630 	}

   631 

   632 	

   633 // Base Versions are not supported

   634 TInt COmxProcessingUnit::CBody::GetConfig(TPuConfig& /*aConfig*/)

   635 	{

   636 	return KErrNotSupported;

   637 	}

   638 

   639 

   640 TInt COmxProcessingUnit::CBody::Pause ()

   641 	{

   642 	return KErrNone;

   643 	}

   644 

   645 void COmxProcessingUnit::CBody::Stop()

   646 	{

   647 	SendCommand(OMX_CommandStateSet, OMX_StateIdle, NULL);	

   648 	

   649 	TInt err = KErrNone;

   650 	for (TInt i=0; i < iInputPorts.Count() && err == KErrNone; i++ )

   651 		{

   652 		iInputPorts[i]->MipDisconnectTunnel();

   653 		}

   654 

   655 	for (TInt i=0; i < iOutputPorts.Count() && err == KErrNone; i++ )

   656 		{

   657 		iOutputPorts[i]->MopDisconnectTunnel();

   658 		}

   659 

   660 	SetPuState(EProcessingUnitIdle);	

   661 	}

   662 

   663 TInt COmxProcessingUnit::CBody::CreateCustomInterface(TUid /*aUid*/)

   664 	{

   665 	return KErrNotSupported;

   666 	}

   667 

   668 

   669 TAny* COmxProcessingUnit::CBody::CustomInterface(TUid /*aUid*/)

   670 	{

   671  	return NULL;

   672 	}

   673 	

   674 TInt COmxProcessingUnit::CBody::AddInputPort(MMdfInputPort* aInputPort)

   675 	{

   676 	if (iInputPorts.Find(aInputPort)>=0)

   677 		return KErrAlreadyExists;

   678 	return iInputPorts.Append(aInputPort);

   679 	}

   680 	

   681 TInt COmxProcessingUnit::CBody::AddOutputPort(MMdfOutputPort* aOutputPort)

   682 	{

   683 	if (iOutputPorts.Find(aOutputPort)>=0)

   684 		return KErrAlreadyExists;

   685 	return iOutputPorts.Append(aOutputPort);

   686 	}

   687 	

   688 MMdfProcessingUnitObserver* COmxProcessingUnit::CBody::Observer()

   689 	{

   690 	return iObserver;

   691 	}

   692 	

   693 void COmxProcessingUnit::CBody::SetPuState(TProcessingUnitState aPuState)

   694 	{

   695 	iPuState = aPuState;

   696 	}

   697 

   698 TInt COmxProcessingUnit::CBody::GetComponentVersion(const TDesC8& /*aComponentName*/, OMX_VERSIONTYPE* /*aComponentVersion*/, OMX_VERSIONTYPE* /*aSpecVersion*/, OMX_UUIDTYPE* /*aComponentUUID*/)

   699 	{

   700 	return KErrNotSupported;

   701 	}

   702 

   703 TInt COmxProcessingUnit::CBody::SendCommand(OMX_COMMANDTYPE aCmd, TUint aParam, TAny* aCmdData)

   704 	{

   705 	OMX_ERRORTYPE error = iHandle->SendCommand(static_cast<OMX_HANDLETYPE>(iHandle), aCmd, aParam, aCmdData);

   706 	return ConvertOmxErrorType(error);

   707 	}

   708 

   709 

   710 TInt COmxProcessingUnit::CBody::GetParameter(OMX_INDEXTYPE aParamIndex, TAny* aComponentParameterStructure)

   711 	{

   712 	OMX_ERRORTYPE error = iHandle->GetParameter(static_cast<OMX_HANDLETYPE>(iHandle), aParamIndex, aComponentParameterStructure);

   713 	return ConvertOmxErrorType(error);

   714 	}

   715 

   716 

   717 TInt COmxProcessingUnit::CBody::SetParameter(OMX_INDEXTYPE aIndex, TAny* aComponentParameterStructure)

   718 	{

   719 	OMX_ERRORTYPE error = iHandle->SetParameter(static_cast<OMX_HANDLETYPE>(iHandle), aIndex, aComponentParameterStructure);

   720 	return ConvertOmxErrorType(error);

   721 	}

   722 

   723 TInt COmxProcessingUnit::CBody::GetConfig(OMX_INDEXTYPE aIndex, TAny* aValue)

   724 	{

   725 	OMX_ERRORTYPE error = iHandle->GetConfig(static_cast<OMX_HANDLETYPE>(iHandle), aIndex, aValue);

   726 	return ConvertOmxErrorType(error);

   727 	}

   728 

   729 TInt COmxProcessingUnit::CBody::SetConfig(OMX_INDEXTYPE aIndex, TAny* aValue)

   730 	{

   731 	OMX_ERRORTYPE error = iHandle->SetConfig(static_cast<OMX_HANDLETYPE>(iHandle), aIndex, aValue);

   732 	return ConvertOmxErrorType(error);

   733 	}

   734 

   735 TInt COmxProcessingUnit::CBody::GetExtensionIndex(const TDesC8& aParameterName, OMX_INDEXTYPE* aIndexType)

   736 	{

   737 	HBufC8* buf = HBufC8::New(aParameterName.Length()+1);

   738 	if (buf == NULL)

   739 		{

   740 		return KErrNoMemory;

   741 		}

   742 	else

   743 		{

   744 		// Create a zero terminated version of the paramter name

   745 		*buf = aParameterName;

   746 		TPtr8 ptr = buf->Des();

   747 		TUint8* cstring = const_cast<TUint8*>(ptr.PtrZ());

   748 		OMX_ERRORTYPE error = iHandle->GetExtensionIndex(static_cast<OMX_HANDLETYPE>(iHandle), reinterpret_cast<char*>(cstring), aIndexType);

   749 		// delete the created memory - note no leaving functions so CleanupStack not used

   750 		delete buf;

   751 		return ConvertOmxErrorType(error);

   752 		}

   753 	}

   754 

   755 

   756 TInt COmxProcessingUnit::CBody::GetState(OMX_STATETYPE* aState)

   757 	{

   758 	OMX_ERRORTYPE error = iHandle->GetState(static_cast<OMX_HANDLETYPE>(iHandle), aState);

   759 	return ConvertOmxErrorType(error);

   760 	}

   761 

   762 

   763 TInt COmxProcessingUnit::CBody::ComponentTunnelRequest(TUint aPortInput, OMX_HANDLETYPE aOutput, TUint aPortOutput, OMX_TUNNELSETUPTYPE* aTunnelSetup)

   764 	{

   765 	OMX_ERRORTYPE error = iHandle->ComponentTunnelRequest(static_cast<OMX_HANDLETYPE>(iHandle), aPortInput, aOutput, aPortOutput, aTunnelSetup);

   766 	return ConvertOmxErrorType(error);

   767 	}

   768 	

   769 TInt COmxProcessingUnit::CBody::UseBuffer(CMMFBuffer* aBuffer, TUint aPortIndex)

   770 	{

   771 	return iBufferManager->UseBuffer(*aBuffer, aPortIndex);	

   772 	}

   773 

   774 

   775 CMMFBuffer* COmxProcessingUnit::CBody::AllocateBufferL(TUint aPortIndex, TUint aSizeBytes)

   776 	{

   777 	return iBufferManager->AllocateBufferL(aPortIndex, aSizeBytes);

   778 	}

   779 	

   780 

   781 TInt COmxProcessingUnit::CBody::FreeBuffer(CMMFBuffer* aBuffer)

   782 	{

   783 	return iBufferManager->FreeBuffer(aBuffer);

   784 	}

   785 

   786 TInt COmxProcessingUnit::CBody::EmptyThisBuffer(const CMMFBuffer* aBuffer, MOmxInputPortCallbacks* aObserver)

   787 	{

   788 	return iBufferManager->EmptyThisBuffer(aBuffer, aObserver);

   789 	}

   790 

   791 

   792 TInt COmxProcessingUnit::CBody::FillThisBuffer(CMMFBuffer* aBuffer, MOmxOutputPortCallbacks* aObserver)

   793 	{

   794 	return iBufferManager->FillThisBuffer(aBuffer, aObserver);

   795 	}

   796 

   797 

   798 TInt COmxProcessingUnit::CBody::SetCallbacks(MOmxPuCallbacks& /*aPuCallbacks*/)

   799 	{

   800 	return KErrNotSupported;

   801 	}

   802 

   803 // Callbacks implementation - calls back to COMxCallbacks class, which manages a queue

   804 OMX_ERRORTYPE EventHandler(OMX_OUT OMX_HANDLETYPE aComponent, 

   805 					OMX_OUT TAny* aAppData,

   806         			OMX_OUT OMX_EVENTTYPE aEvent, 

   807         			OMX_OUT TUint32 aData1,

   808         			OMX_OUT TUint32 aData2,

   809         			OMX_OUT TAny* aExtra)

   810 	{

   811 	COmxCallbacks::TEventParams eventParams;

   812 	eventParams.iEvent = aEvent;

   813 	eventParams.iData1 = aData1;

   814 	eventParams.iData2 = aData2;

   815 	eventParams.iExtra = aExtra;

   816 	TInt error = static_cast<COmxCallbacks*>(aAppData)->EventHandler(aComponent, eventParams);

   817 	return ConvertSymbianErrorType(error);

   818 	}

   819         			

   820 OMX_ERRORTYPE EmptyBufferDone(

   821        OMX_HANDLETYPE aComponent,

   822        TAny* aAppData,

   823        OMX_BUFFERHEADERTYPE* aBuffer)

   824 	{

   825 	COmxBufferManager::COmxBuffer* buffer = static_cast<COmxBufferManager::COmxBuffer*>(aBuffer->pAppPrivate);

   826 	TInt error = static_cast<COmxCallbacks*>(aAppData)->EmptyBufferDone(aComponent, buffer);

   827 	return ConvertSymbianErrorType(error);

   828 	}

   829         

   830 OMX_ERRORTYPE FillBufferDone(

   831        OMX_HANDLETYPE aComponent,

   832        TAny* aAppData,

   833        OMX_BUFFERHEADERTYPE* aBuffer)

   834 	{

   835 	COmxBufferManager::COmxBuffer* buffer = static_cast<COmxBufferManager::COmxBuffer*>(aBuffer->pAppPrivate);

   836 	TInt error = static_cast<COmxCallbacks*>(aAppData)->FillBufferDone(aComponent, buffer);

   837 	return ConvertSymbianErrorType(error);

   838 	}

   839
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