omxil/omxilcomponentcommon/src/common/omxilfsm.cpp
changeset 56 b6488ac24ddc
parent 47 481b3bce574a
child 57 1cbb0d5bf7f2
--- a/omxil/omxilcomponentcommon/src/common/omxilfsm.cpp	Mon Aug 23 21:48:44 2010 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,783 +0,0 @@
-// Copyright (c) 2008-2009 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:
-//
-
-
-/**
- @file
- @internalComponent
-*/
-
-#include "log.h"
-#include "omxilfsm.h"
-#include "omxilstate.h"
-#include "omxilportmanager.h"
-#include "omxilconfigmanager.h"
-#include "omxilcallbackmanager.h"
-#include "omxilprocessingfunction.h"
-
-#define RETURN_OMX_ERROR_AND_EVENT_IF_NEEDED(_a)						\
-	{																	\
-	const OMX_ERRORTYPE _err = _a;										\
-	if (OMX_ErrorNone == _err) return _err;								\
-	else return SendOmxErrorEventIfNeeded(_err);						\
-	}
-
-
-const TInt COmxILFsm::KMaxMsgQueueEntries;
-
-EXPORT_C COmxILFsm*
-COmxILFsm::NewL(COmxILComponent& aComponent,
-				COmxILProcessingFunction& aProcFunction,
-				COmxILPortManager& aPortManager,
-				COmxILConfigManager& aConfigManager,
-				MOmxILCallbackManagerIf& aCallbacks)
-	{
-    DEBUG_PRINTF(_L8("COmxILFsm::NewLC"));
-
-	COmxILFsm* self = new (ELeave) COmxILFsm(aComponent,
-											 aProcFunction,
-											 aPortManager,
-											 aConfigManager,
-											 aCallbacks);
-	CleanupStack::PushL(self);
-	self->ConstructL();
-	CleanupStack::Pop(self);
-	return (self);
-	}
-
-void
-COmxILFsm::ConstructL()
-	{
-    DEBUG_PRINTF(_L8("COmxILFsm::ConstructL"));
-
-	// Create the FSM states
-
-	// Init the array
-	for (TUint i=0; i < EStateMax; ++i)
-		{
-		iStates.AppendL(NULL);
-		}
-
-	// Add the standard states...
-	iStates[EStateInvalid]			= new (ELeave)COmxILStateInvalid;
-	iStates[EStateLoaded]			= new (ELeave)COmxILStateLoaded;
-	iStates[EStateIdle]				= new (ELeave)COmxILStateIdle;
-	iStates[EStateExecuting]		= new (ELeave)COmxILStateExecuting;
-	iStates[EStatePause]			= new (ELeave)COmxILStatePause;
-	iStates[EStateWaitForResources] = new (ELeave)COmxILStateWaitForResources;
-
-	// Now add the substates
-	iStates[ESubStateLoadedToIdle]	  = new (ELeave)COmxILStateLoadedToIdle;
-	iStates[ESubStateIdleToLoaded]	  = new (ELeave)COmxILStateIdleToLoaded;
-	iStates[ESubStateExecutingToIdle] = new (ELeave)COmxILStateExecutingToIdle;
-	iStates[ESubStatePauseToIdle]	  = new (ELeave)COmxILStatePauseToIdle;
-
-	iCallbacks.SetPortManager(iPortManager);
-	iCallbacks.SetFsm(*this);
-
-	}
-
-COmxILFsm::COmxILFsm(COmxILComponent& aComponent,
-					 COmxILProcessingFunction& aProcFunction,
-					 COmxILPortManager& aPortManager,
-					 COmxILConfigManager& aConfigManager,
-					 MOmxILCallbackManagerIf& aCallbacks)
-	:
-	iComponent(aComponent),
-	iProcFunction(aProcFunction),
-	iPortManager(aPortManager),
-	iConfigManager(aConfigManager),
-	iCallbacks(aCallbacks),
-	iStates(),
-	iCurrentStateIndex(EStateMax),
-	ipCurrentState(0)
-	{
-    DEBUG_PRINTF(_L8("COmxILFsm::COmxILFsm"));
-	}
-
-COmxILFsm::~COmxILFsm()
-	{
-    DEBUG_PRINTF(_L8("COmxILFsm::~COmxILFsm"));
-
-	iCurrentStateIndex = EStateMax;
-	ipCurrentState = 0;
-	iStates.ResetAndDestroy();
-
-	}
-
-OMX_ERRORTYPE
-COmxILFsm::InitFsm()
-	{
-    DEBUG_PRINTF(_L8("COmxILFsm::InitFsm"));
-
-	// Let's get ready to handle API calls...
-	iCurrentStateIndex = EStateLoaded;
-	ipCurrentState	   = iStates[iCurrentStateIndex];
-	return OMX_ErrorNone;
-
-	}
-
-COmxILComponent*
-COmxILFsm::GetComponent() const
-	{
-	return &iComponent;
-	}
-
-OMX_ERRORTYPE
-COmxILFsm::PopulateBuffer(OMX_BUFFERHEADERTYPE** appBufferHdr,
-						  OMX_U32 aPortIndex,
-						  OMX_PTR apAppPrivate,
-						  OMX_U32 aSizeBytes,
-						  OMX_U8* apBuffer)
-	{
-    DEBUG_PRINTF(_L8("COmxILFsm::PopulateBuffer"));
-
-	TBool portPopulationCompleted = EFalse;
-	OMX_ERRORTYPE omxRetValue =
-		ipCurrentState->PopulateBuffer(*this,
-									   appBufferHdr,
-									   aPortIndex,
-									   apAppPrivate,
-									   aSizeBytes,
-									   apBuffer,
-									   portPopulationCompleted);
-
-	if (OMX_ErrorNone == omxRetValue)
-		{
-		if (portPopulationCompleted &&
-			ESubStateLoadedToIdle == iCurrentStateIndex &&
-			iPortManager.AllPortsPopulated())
-			{
-			// Complete here the transition to OMX_StateIdle
-			omxRetValue = FsmTransition(EStateIdle);
-			if (OMX_ErrorNone == omxRetValue)
-				{
-				// Notify the IL client that port population has
-				// completed sucessfully
-				omxRetValue = iCallbacks.TransitionCompleteNotification(
-					OMX_StateIdle);
-
-				}
-			}
-		}
-
-	if (OMX_ErrorNone == omxRetValue ||
-		OMX_ErrorInsufficientResources == omxRetValue)
-		{
-		// OMX_ErrorInsufficientResources is allowed in OMX_EmptyThisBuffer and
-		// OMX_FillThisBuffer
-		return omxRetValue;
-		}
-	else
-		{
-		return SendOmxErrorEventIfNeeded(omxRetValue);
-		}
-
-	}
-
-OMX_ERRORTYPE
-COmxILFsm::FsmTransition(TStateIndex aNewState)
-	{
-    DEBUG_PRINTF2(_L8("COmxILFsm::FsmTransition : %d"), aNewState);
-
-	__ASSERT_ALWAYS(aNewState < EStateMax,
-					User::Panic(KOmxILFsmPanicCategory, 1));
-
-	if (aNewState != iCurrentStateIndex)
-		{
-		// We notify the processing function of all the state transitions, even
-		// if they are not to a final OpenMAX IL state.
-		OMX_ERRORTYPE omxRetValue;
-		if (OMX_ErrorNone !=
-			(omxRetValue =
-			 iProcFunction.StateTransitionIndication(aNewState)))
-			{
-			// No need of propagating further error codes if the component is
-			// transitioning to OMX_StateInvalid or if the PF itself is
-			// invalidating the component...
-			if (EStateInvalid != aNewState &&
-				OMX_ErrorInvalidState != omxRetValue)
-				{
-				return omxRetValue;
-				}
-			}
-
-		iCurrentStateIndex = aNewState;
-		ipCurrentState = iStates[iCurrentStateIndex];
-
-		}
-
-	return OMX_ErrorNone;
-
-	}
-
-OMX_ERRORTYPE
-COmxILFsm::FsmTransition(TUint32 aNewState)
-	{
-
-	return FsmTransition(static_cast<TStateIndex>(aNewState));
-
-	}
-
-
-OMX_ERRORTYPE
-COmxILFsm::GetComponentVersion(OMX_STRING aComponentName,
-							   OMX_VERSIONTYPE* apComponentVersion,
-							   OMX_VERSIONTYPE* apSpecVersion,
-							   OMX_UUIDTYPE* apComponentUUID) const
-	{
-    DEBUG_PRINTF(_L8("COmxILFsm::GetComponentVersion"));
-
-	__ASSERT_DEBUG(iCurrentStateIndex != EStateMax,
-				   User::Panic(KOmxILFsmPanicCategory, 1));
-
-	// This api should not be allowed in OMX_StateInvalid
-	if (EStateInvalid == iCurrentStateIndex)
-		{
-		return SendOmxErrorEventIfNeeded(OMX_ErrorInvalidState);
-		}
-
-	if (!aComponentName ||
-		!apComponentVersion ||
-		!apSpecVersion ||
-		!apComponentUUID)
-		{
-		return OMX_ErrorBadParameter;
-		}
-
-	// This API call is independent of the current state. Its handled by the
-	// the config manager
-
-	RETURN_OMX_ERROR_AND_EVENT_IF_NEEDED(
-		iConfigManager.GetComponentVersion(
-			aComponentName,
-			apComponentVersion,
-			apSpecVersion,
-			apComponentUUID));
-	}
-
-
-OMX_ERRORTYPE
-COmxILFsm::SendCommand(OMX_COMMANDTYPE aCommand,
-					   TUint32 anParam1,
-					   TAny* apCmdData)
-	{
-    DEBUG_PRINTF3(_L8("COmxILFsm::SendCommand : command [%d] Param1 [%d]"), aCommand, anParam1);
-
-	__ASSERT_DEBUG(iCurrentStateIndex != EStateMax,
-				   User::Panic(KOmxILFsmPanicCategory, 1));
-
-	// Do some very minor error checking here to try to save some time...
-	if (OMX_CommandStateSet == aCommand &&
-		anParam1 > OMX_StateWaitForResources)
-		{
-		return OMX_ErrorBadParameter;
-		}
-
-	TOmxILCommand command(aCommand, anParam1, apCmdData);
-	OMX_ERRORTYPE sendCommandError;
-	switch (aCommand)
-		{
-	case OMX_CommandStateSet:
-		{
-		sendCommandError = ipCurrentState->CommandStateSet(*this, command);
-		}
-		break;
-	case OMX_CommandFlush:
-		{
-		sendCommandError = ipCurrentState->CommandFlush(*this, command);
-		}
-		break;
-	case OMX_CommandPortDisable:
-		{
-		sendCommandError = ipCurrentState->CommandPortDisable(*this, command);
-		}
-		break;
-	case OMX_CommandPortEnable:
-		{
-		sendCommandError = ipCurrentState->CommandPortEnable(*this, command);
-		}
-		break;
-	case OMX_CommandMarkBuffer:
-		{
-		sendCommandError = ipCurrentState->CommandMarkBuffer(*this, command);
-		}
-		break;
-	default:
-		{
-		// This is an invalid command type
-		return OMX_ErrorBadParameter;
-		}
-		};
-
-	if (OMX_ErrorNone == sendCommandError ||
-		OMX_ErrorInsufficientResources == sendCommandError)
-		{
-		// OMX_ErrorInsufficientResources is allowed in OMX_SendCommand
-		return sendCommandError;
-		}
-	else
-		{
-		return SendOmxErrorEventIfNeeded(sendCommandError);
-		}
-
-	}
-
-
-OMX_ERRORTYPE
-COmxILFsm::GetParameter(OMX_INDEXTYPE aParamIndex,
-						TAny* apComponentParameterStructure) const
-	{
-    DEBUG_PRINTF(_L8("COmxILFsm::GetParameter"));
-
-	__ASSERT_DEBUG(iCurrentStateIndex != EStateMax,
-				   User::Panic(KOmxILFsmPanicCategory, 1));
-
-	if (!apComponentParameterStructure)
-		{
-		return OMX_ErrorBadParameter;
-		}
-
-	RETURN_OMX_ERROR_AND_EVENT_IF_NEEDED(
-		ipCurrentState->GetParameter(*this, aParamIndex,
-									 apComponentParameterStructure));
-	}
-
-
-OMX_ERRORTYPE
-COmxILFsm::SetParameter(OMX_INDEXTYPE aParamIndex,
-						const TAny* apComponentParameterStructure)
-	{
-    DEBUG_PRINTF(_L8("COmxILFsm::SetParameter"));
-
-	__ASSERT_DEBUG(iCurrentStateIndex != EStateMax,
-				   User::Panic(KOmxILFsmPanicCategory, 1));
-
-	if (!apComponentParameterStructure)
-		{
-		return OMX_ErrorBadParameter;
-		}
-
-	RETURN_OMX_ERROR_AND_EVENT_IF_NEEDED(
-	ipCurrentState->SetParameter(*this, aParamIndex,
-								 apComponentParameterStructure));
-	}
-
-
-OMX_ERRORTYPE
-COmxILFsm::GetConfig(OMX_INDEXTYPE aConfigIndex,
-					 TAny* apComponentConfigStructure) const
-	{
-    DEBUG_PRINTF(_L8("COmxILFsm::GetConfig"));
-
-	__ASSERT_DEBUG(iCurrentStateIndex != EStateMax,
-				   User::Panic(KOmxILFsmPanicCategory, 1));
-
-	if (!apComponentConfigStructure)
-		{
-		return OMX_ErrorBadParameter;
-		}
-
-	RETURN_OMX_ERROR_AND_EVENT_IF_NEEDED(
-		ipCurrentState->GetConfig(*this,
-								  aConfigIndex,
-								  apComponentConfigStructure));
-
-	}
-
-
-OMX_ERRORTYPE
-COmxILFsm::SetConfig(OMX_INDEXTYPE aIndex,
-					 const TAny* apComponentConfigStructure)
-	{
-    DEBUG_PRINTF(_L8("COmxILFsm::SetConfig"));
-
-	__ASSERT_DEBUG(iCurrentStateIndex != EStateMax,
-				   User::Panic(KOmxILFsmPanicCategory, 1));
-
-	if (!apComponentConfigStructure)
-		{
-		return OMX_ErrorBadParameter;
-		}
-
-	RETURN_OMX_ERROR_AND_EVENT_IF_NEEDED(
-		ipCurrentState->SetConfig(*this, aIndex, apComponentConfigStructure));
-
-	}
-
-
-OMX_ERRORTYPE
-COmxILFsm::GetExtensionIndex(
-	OMX_STRING aParameterName,
-	OMX_INDEXTYPE* apIndexType) const
-	{
-    DEBUG_PRINTF(_L8("COmxILFsm::GetExtensionIndex"));
-
-	__ASSERT_DEBUG(iCurrentStateIndex != EStateMax,
-				   User::Panic(KOmxILFsmPanicCategory, 1));
-
-	if (!apIndexType || !aParameterName)
-		{
-		return OMX_ErrorBadParameter;
-		}
-
-	RETURN_OMX_ERROR_AND_EVENT_IF_NEEDED(
-		ipCurrentState->GetExtensionIndex(*this,
-										  aParameterName,
-										  apIndexType));
-	}
-
-
-OMX_ERRORTYPE
-COmxILFsm::GetState(OMX_STATETYPE* apState) const
-	{
-    DEBUG_PRINTF(_L8("COmxILFsm::GetState"));
-
-	__ASSERT_DEBUG(iCurrentStateIndex != EStateMax,
-				   User::Panic(KOmxILFsmPanicCategory, 1));
-
-	if (!apState)
-		{
-		return OMX_ErrorBadParameter;
-		}
-
-	*apState = ipCurrentState->GetState();
-
-	return OMX_ErrorNone;
-
-	}
-
-
-OMX_ERRORTYPE
-COmxILFsm::ComponentTunnelRequest(OMX_U32 aPort,
-								  OMX_HANDLETYPE aTunneledComp,
-								  OMX_U32 aTunneledPort,
-								  OMX_TUNNELSETUPTYPE* apTunnelSetup)
-	{
-    DEBUG_PRINTF(_L8("COmxILFsm::ComponentTunnelRequest"));
-
-	__ASSERT_DEBUG(iCurrentStateIndex != EStateMax,
-				   User::Panic(KOmxILFsmPanicCategory, 1));
-
-	// Here, since NULL is a valid parameter for aTunneledComp, checking of
-	// input parameters is completely done by the ports.
-	RETURN_OMX_ERROR_AND_EVENT_IF_NEEDED(
-		ipCurrentState->ComponentTunnelRequest(*this,
-											   aPort,
-											   aTunneledComp,
-											   aTunneledPort,
-											   apTunnelSetup));
-
-	}
-
-
-OMX_ERRORTYPE
-COmxILFsm::UseBuffer(OMX_BUFFERHEADERTYPE** appBufferHdr,
-					 OMX_U32 aPortIndex,
-					 OMX_PTR apAppPrivate,
-					 OMX_U32 aSizeBytes,
-					 OMX_U8* apBuffer)
-	{
-    DEBUG_PRINTF(_L8("COmxILFsm::UseBuffer"));
-
-	__ASSERT_DEBUG(iCurrentStateIndex != EStateMax,
-				   User::Panic(KOmxILFsmPanicCategory, 1));
-
-	if (!appBufferHdr || !aSizeBytes || !apBuffer)
-		{
-		return OMX_ErrorBadParameter;
-		}
-
-	return PopulateBuffer(appBufferHdr,
-						  aPortIndex,
-						  apAppPrivate,
-						  aSizeBytes,
-						  apBuffer);
-
-	}
-
-
-OMX_ERRORTYPE
-COmxILFsm::AllocateBuffer(OMX_BUFFERHEADERTYPE** appBufferHdr,
-						  OMX_U32 aPortIndex,
-						  OMX_PTR apAppPrivate,
-						  OMX_U32 aSizeBytes)
-	{
-    DEBUG_PRINTF(_L8("COmxILFsm::AllocateBuffer"));
-
-	__ASSERT_DEBUG(iCurrentStateIndex != EStateMax,
-				   User::Panic(KOmxILFsmPanicCategory, 1));
-
-	if (!appBufferHdr || !aSizeBytes)
-		{
-		return OMX_ErrorBadParameter;
-		}
-
-
-	return PopulateBuffer(appBufferHdr,
-						  aPortIndex,
-						  apAppPrivate,
-						  aSizeBytes,
-						  0);
-
-	}
-
-
-OMX_ERRORTYPE
-COmxILFsm::FreeBuffer(OMX_U32 aPortIndex,
-					  OMX_BUFFERHEADERTYPE* apBuffer)
-	{
-    DEBUG_PRINTF(_L8("COmxILFsm::FreeBuffer"));
-
-	__ASSERT_DEBUG(iCurrentStateIndex != EStateMax,
-				   User::Panic(KOmxILFsmPanicCategory, 1));
-
-	if (!apBuffer)
-		{
-		return OMX_ErrorBadParameter;
-		}
-
-	TBool portDepopulationCompleted = EFalse;
-	OMX_ERRORTYPE omxRetValue =
-		ipCurrentState->FreeBuffer(*this,
-								   aPortIndex,
-								   apBuffer,
-								   portDepopulationCompleted);
-
-	if (OMX_ErrorNone == omxRetValue)
-		{
-		if (portDepopulationCompleted)
-			{
-			if (ESubStateIdleToLoaded == iCurrentStateIndex)
-				{
-				if (iPortManager.AllPortsDePopulated())
-					{
-					// Complete here the transition to OMX_StateLoaded
-					omxRetValue = FsmTransition(EStateLoaded);
-					if (OMX_ErrorNone == omxRetValue)
-						{
-						// Notify the IL client that port depopulation has
-						// completed sucessfully
-						omxRetValue =
-							iCallbacks.TransitionCompleteNotification(
-							OMX_StateLoaded);
-						}
-					}
-				}
-			}
-		}
-
-	if (OMX_ErrorNone == omxRetValue)
-		{
-		return OMX_ErrorNone;
-		}
-	else
-		{
-		return SendOmxErrorEventIfNeeded(omxRetValue);
-		}
-
-	}
-
-
-OMX_ERRORTYPE
-COmxILFsm::EmptyThisBuffer(OMX_BUFFERHEADERTYPE* apBuffer)
-	{
-    DEBUG_PRINTF2(_L8("COmxILFsm::EmptyThisBuffer : BUFFER [%X]"), apBuffer);
-
-	__ASSERT_DEBUG(iCurrentStateIndex != EStateMax,
-				   User::Panic(KOmxILFsmPanicCategory, 1));
-
-	if (!apBuffer)
-		{
-		return OMX_ErrorBadParameter;
-		}
-
-	RETURN_OMX_ERROR_AND_EVENT_IF_NEEDED(
-		ipCurrentState->EmptyThisBuffer(*this, apBuffer));
-
-	}
-
-
-OMX_ERRORTYPE
-COmxILFsm::FillThisBuffer(OMX_BUFFERHEADERTYPE* apBuffer)
-	{
-    DEBUG_PRINTF2(_L8("COmxILFsm::FillThisBuffer : BUFFER [%X]"), apBuffer);
-
-	__ASSERT_DEBUG(iCurrentStateIndex != EStateMax,
-				   User::Panic(KOmxILFsmPanicCategory, 1));
-
-	if (!apBuffer)
-		{
-		return OMX_ErrorBadParameter;
-		}
-
-	RETURN_OMX_ERROR_AND_EVENT_IF_NEEDED(
-		ipCurrentState->FillThisBuffer(*this, apBuffer));
-
-	}
-
-
-OMX_ERRORTYPE
-COmxILFsm::SetCallbacks(const OMX_CALLBACKTYPE* apCallbacks,
-						const OMX_PTR apAppData)
-	{
-    DEBUG_PRINTF(_L8("COmxILFsm::SetCallbacks"));
-
-	__ASSERT_DEBUG(iCurrentStateIndex != EStateMax,
-				   User::Panic(KOmxILFsmPanicCategory, 1));
-
-	if (!apCallbacks)
-		{
-		return OMX_ErrorBadParameter;
-		}
-
-	// This api should only be allowed in OMX_StateLoaded
-	if (EStateLoaded != iCurrentStateIndex)
-		{
-		return OMX_ErrorIncorrectStateOperation;
-		}
-
-	RETURN_OMX_ERROR_AND_EVENT_IF_NEEDED(
-		iCallbacks.RegisterILClientCallbacks(apCallbacks, apAppData));
-
-	}
-
-
-OMX_ERRORTYPE
-COmxILFsm::UseEGLImage(OMX_BUFFERHEADERTYPE** /*appBufferHdr*/,
-					   OMX_U32 /*aPortIndex*/,
-					   OMX_PTR /*aAppPrivate*/,
-					   void* /*eglImage*/)
-	{
-    DEBUG_PRINTF(_L8("COmxILFsm::UseEGLImage"));
-
-	__ASSERT_DEBUG(iCurrentStateIndex != EStateMax,
-				   User::Panic(KOmxILFsmPanicCategory, 1));
-
-	return OMX_ErrorNotImplemented;
-	}
-
-OMX_ERRORTYPE
-COmxILFsm::ComponentRoleEnum(OMX_U8* aRole,
-							 OMX_U32 aIndex) const
-	{
-    DEBUG_PRINTF(_L8("COmxILFsm::ComponentRoleEnum"));
-
-	__ASSERT_DEBUG(iCurrentStateIndex != EStateMax,
-				   User::Panic(KOmxILFsmPanicCategory, 1));
-
-	// This api should not be allowed in OMX_StateInvalid
-	if (EStateInvalid == iCurrentStateIndex)
-		{
-		return SendOmxErrorEventIfNeeded(OMX_ErrorInvalidState);
-		}
-
-	if (!aRole)
-		{
-		return OMX_ErrorBadParameter;
-		}
-
-	RETURN_OMX_ERROR_AND_EVENT_IF_NEEDED(
-		iConfigManager.ComponentRoleEnum(aRole,
-										 aIndex));
-
-	}
-
-/**
-   This method is here to fullfill the following functionalities:
-
-   -# It is used to make sure that the component error codes are returned to
-      the IL Client in a way that conforms with Table 3-9 of the OpenMAX IL
-      1.1.1 spec. This table specifies which error codes must be sent with
-      EventHandler. If an error code is to be sent via EventHandler, the API
-      return code must be OMX_ErrorNone.
-
-   -# This method is also used to invalidate the component whenever an internal
-      component action returns OMX_ErrorInvalidState. For example, this is
-      useful when code executed by a port or by the processing function cannot
-      recover from an internal error. Returning OMX_ErrorInvalidState in that
-      kind of situation will invalidate the component in
-      SendOmxErrorEventIfNeeded and the event will be conveyed to the IL Client
-      as mandated by the spec.
-
-   @param aError An OpenMAX IL error code.
- */
-OMX_ERRORTYPE
-COmxILFsm::SendOmxErrorEventIfNeeded(OMX_ERRORTYPE aError)
-	{
-	DEBUG_PRINTF2(_L8("COmxILFsm::SendOmxErrorEventIfNeeded - aError = 0x%X"), aError);
-
-	OMX_ERRORTYPE returnError = aError;
-	switch(aError)
-		{
-	case OMX_ErrorInsufficientResources:
-		{
-		DEBUG_PRINTF(_L8("COmxILFsm::SendOmxErrorEventIfNeeded aError[OMX_ErrorInsufficientResources]"));
-		iCallbacks.ErrorEventNotification(aError);
-		}
-		break;
-	case OMX_ErrorInvalidState:
-		{
-		DEBUG_PRINTF(_L8("COmxILFsm::SendOmxErrorEventIfNeeded aError[OMX_ErrorInvalidState]"));
-		iCallbacks.ErrorEventNotification(aError);
-		if (EStateInvalid != iCurrentStateIndex)
-			{
-			returnError = OMX_ErrorNone;
-			}
-		}
-		break;
-	case OMX_ErrorUnderflow:
-	case OMX_ErrorOverflow:
-	case OMX_ErrorHardware:
-	case OMX_ErrorStreamCorrupt:
-	case OMX_ErrorResourcesLost:
-	case OMX_ErrorSameState:
-	case OMX_ErrorResourcesPreempted:
-	case OMX_ErrorPortUnresponsiveDuringAllocation:
-	case OMX_ErrorPortUnresponsiveDuringDeallocation:
-	case OMX_ErrorPortUnresponsiveDuringStop:
-	case OMX_ErrorIncorrectStateTransition:
-	case OMX_ErrorPortUnpopulated:
-	case OMX_ErrorDynamicResourcesUnavailable:
-	case OMX_ErrorMbErrorsInFrame:
-	case OMX_ErrorFormatNotDetected:
-		{
-		DEBUG_PRINTF2(_L8("COmxILFsm::SendOmxErrorEventIfNeeded aError[%X]"), aError);
-		iCallbacks.ErrorEventNotification(aError);
-		returnError = OMX_ErrorNone;
-		}
-		break;
-		};
-
-	if(OMX_ErrorInvalidState == aError &&
-	   EStateInvalid != iCurrentStateIndex)
-		{
-		// Invalidate this component. This instance of the component should be
-		// destroyed by the IL Client after this. No need to check error code.
-		FsmTransition(EStateInvalid);
-		}
-
-	return returnError;
-
-	}
-
-OMX_ERRORTYPE
-COmxILFsm::SendOmxErrorEventIfNeeded(OMX_ERRORTYPE aError) const
-	{
-	DEBUG_PRINTF(_L8("COmxILFsm::SendOmxErrorEventIfNeeded"));
-
-	return const_cast<COmxILFsm*>(this)->SendOmxErrorEventIfNeeded(aError);
-
-	}