--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/omxil/video/omxilvideoscheduler2/inc/comxilvideoschedulerpf.h	Fri May 07 16:25:23 2010 +0100
@@ -0,0 +1,125 @@
+/*
+* 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
+*/
+#ifndef COMXILVIDEOSCHEDULERPF_H_
+#define COMXILVIDEOSCHEDULERPF_H_
+
+#include <e32std.h>
+#include "omxilprocessingfunction.h"
+#include "buffercopier.h"
+
+
+// forward class declarations
+class COmxILVideoScheduler;
+class CBufferCopierStateMonitor;
+
+static const TInt KRenderTimeListLength = 5;
+
+/**
+ * These panics can only be raised in debug builds, and indicate an assertion failure due to programmer error.
+ */
+enum TVideoSchedulerPanic
+	{
+	EPanicMutexUnheld,                  // the mutex was unheld where it was expected to be held
+	EPanicTimestampEmissionUnordered,   // buffer emission was triggered for a timestamp less than the previous emission's timestamp
+	EPanicBadOutputRegulation,          // more output buffers were sent than intended or iSinkPendingBuffer at inappropriate time
+	EPanicBadAssociation                // inconsistency between media time info and corresponding buffer header
+	};
+
+NONSHARABLE_CLASS(COmxILVideoSchedulerPF) : public COmxILProcessingFunction, public MBufferCopierIf
+	{
+public:
+	static COmxILVideoSchedulerPF* NewL(MOmxILCallbackNotificationIf& aCallbacks, COmxILVideoScheduler& aComponent, OMX_COMPONENTTYPE* aHandle);
+	~COmxILVideoSchedulerPF();
+
+	// from COmxILProcessingFunction
+	OMX_ERRORTYPE StateTransitionIndication(COmxILFsm::TStateIndex aNewState);
+	OMX_ERRORTYPE BufferFlushingIndication(TUint32 aPortIndex, OMX_DIRTYPE aDirection);
+	OMX_ERRORTYPE ParamIndication(OMX_INDEXTYPE aParamIndex, const TAny* apComponentParameterStructure);
+	OMX_ERRORTYPE ConfigIndication(OMX_INDEXTYPE aConfigIndex, const TAny* apComponentConfigStructure);
+	OMX_ERRORTYPE BufferIndication(OMX_BUFFERHEADERTYPE* apBufferHeader, OMX_DIRTYPE aDirection);
+	OMX_BOOL BufferRemovalIndication(OMX_BUFFERHEADERTYPE* apBufferHeader, OMX_DIRTYPE aDirection);
+	OMX_ERRORTYPE MediaTimeIndication(const OMX_TIME_MEDIATIMETYPE& aTimeInfo);
+
+	// from MBufferCopierIf
+	void MbcBufferCopied(OMX_BUFFERHEADERTYPE* aInBuffer, OMX_BUFFERHEADERTYPE* aOutBuffer);
+	void MbcBufferFlushed(OMX_BUFFERHEADERTYPE* aBuffer, OMX_DIRTYPE aDirection);
+	
+	MOmxILCallbackNotificationIf& GetCallbacks();
+
+private:
+	class TBufferMessage
+		{
+	public:
+		OMX_BUFFERHEADERTYPE* iBufferHeader;
+		OMX_TIME_MEDIATIMETYPE iMediaTimeInfo;
+		};
+	
+private:
+	COmxILVideoSchedulerPF(MOmxILCallbackNotificationIf& aCallbacks, COmxILVideoScheduler& aComponent, OMX_COMPONENTTYPE* aHandle);
+	void ConstructL();
+
+	TBool FindWaitingBuffer(const OMX_BUFFERHEADERTYPE* aBuffer, const OMX_TICKS& aMediaTime, TInt& aIndex) const;
+	void SubmitBufferHeldByPause();
+	TBool SendTimedOutputBuffer(OMX_BUFFERHEADERTYPE* aBuffer, const OMX_TIME_MEDIATIMETYPE& aMediaTimeInfo, TInt aIndex);
+	void SendOutputBuffer(OMX_BUFFERHEADERTYPE* aBuffer);
+	void DoSendOutputBuffer(OMX_BUFFERHEADERTYPE* aBuffer);
+	void HandleIfError(OMX_ERRORTYPE aOmxError);
+	OMX_ERRORTYPE SymbianErrorToOmx(TInt aError);
+	
+	void Panic(TVideoSchedulerPanic aPanicCode) const;
+	
+private:
+	COmxILVideoScheduler& iComponent;
+	OMX_TICKS iRenderTime;   // time it takes for Graphic Sink to render a frame
+	TBool iPausedState;
+	CBufferCopierStateMonitor* iBufferCopierStateMonitor;
+	RPointerArray<OMX_BUFFERHEADERTYPE> iWaitingBuffers; // all waiting buffers, including those that received time updates
+	TUint32 iOutputBufferSentCount;	// Only allowed to send 2 buffers at a time
+	RArray<TBufferMessage> iCompletedBuffersHeldByPause;	// buffers that receive time indications while component is paused
+	TInt64 iMaxLateness;	// how late a buffer is allowed to be before it is dropped
+
+	// to keep track of ClockState
+	OMX_TIME_CONFIG_CLOCKSTATETYPE iClockState;
+
+	// hold on to start time if received before clock enters WaitingForStartTime state
+	TInt64 iStartTime;
+	TBool iStartTimePending;
+	
+	// any buffer that is ready to be displayed but sink is not ready to receive
+	OMX_BUFFERHEADERTYPE* iSinkPendingBuffer;
+	
+	TBool iIsClockStopped;
+	TBool iInvalid;
+    TUint32 iFrameDroppedCount;  // shouldn't drop more than 2 frames at a time when decoder is slow
+    OMX_TICKS iTimeStamp;
+    RMutex iMutex;
+    OMX_BOOL iEnableDropFrameEvent;  //enable the extension to notify error when drop frame happen
+
+	TUint32 iRenderTimeList[KRenderTimeListLength];
+	TInt iRenderTimeListPos;
+	TUint32 iRenderTimeSum;    // the sum of the values in iRenderTimeList
+
+	OMX_COMPONENTTYPE* iHandle;
+	};
+
+#endif /*CCOMXILVIDEOSCHEDULERPF_H_*/