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/*
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* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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/**
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@file
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@internalComponent
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*/
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#ifndef COMXILVIDEOSCHEDULERPF_H_
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#define COMXILVIDEOSCHEDULERPF_H_
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#include <e32std.h>
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#include <openmax/il/common/omxilprocessingfunction.h>
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#include <openmax/il/khronos/v1_x/OMX_Component.h>
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#include "buffercopier.h"
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// forward class declarations
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class COmxILVideoScheduler;
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class CBufferCopierStateMonitor;
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static const TInt KRenderTimeListLength = 5;
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/**
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* These panics can only be raised in debug builds, and indicate an assertion failure due to programmer error.
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*/
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enum TVideoSchedulerPanic
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{
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EPanicMutexUnheld, // the mutex was unheld where it was expected to be held
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EPanicTimestampEmissionUnordered, // buffer emission was triggered for a timestamp less than the previous emission's timestamp
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EPanicBadOutputRegulation, // more output buffers were sent than intended or iSinkPendingBuffer at inappropriate time
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EPanicBadAssociation // inconsistency between media time info and corresponding buffer header
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};
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NONSHARABLE_CLASS(COmxILVideoSchedulerPF) : public COmxILProcessingFunction, public MBufferCopierIf
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{
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public:
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static COmxILVideoSchedulerPF* NewL(MOmxILCallbackNotificationIf& aCallbacks, COmxILVideoScheduler& aComponent, OMX_COMPONENTTYPE* aHandle);
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~COmxILVideoSchedulerPF();
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// from COmxILProcessingFunction
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OMX_ERRORTYPE StateTransitionIndication(TStateIndex aNewState);
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OMX_ERRORTYPE BufferFlushingIndication(TUint32 aPortIndex, OMX_DIRTYPE aDirection);
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OMX_ERRORTYPE ParamIndication(OMX_INDEXTYPE aParamIndex, const TAny* apComponentParameterStructure);
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OMX_ERRORTYPE ConfigIndication(OMX_INDEXTYPE aConfigIndex, const TAny* apComponentConfigStructure);
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OMX_ERRORTYPE BufferIndication(OMX_BUFFERHEADERTYPE* apBufferHeader, OMX_DIRTYPE aDirection);
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OMX_BOOL BufferRemovalIndication(OMX_BUFFERHEADERTYPE* apBufferHeader, OMX_DIRTYPE aDirection);
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OMX_ERRORTYPE MediaTimeIndication(const OMX_TIME_MEDIATIMETYPE& aTimeInfo);
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// from MBufferCopierIf
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void MbcBufferCopied(OMX_BUFFERHEADERTYPE* aInBuffer, OMX_BUFFERHEADERTYPE* aOutBuffer);
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void MbcBufferFlushed(OMX_BUFFERHEADERTYPE* aBuffer, OMX_DIRTYPE aDirection);
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MOmxILCallbackNotificationIf& GetCallbacks();
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private:
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class TBufferMessage
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{
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public:
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OMX_BUFFERHEADERTYPE* iBufferHeader;
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OMX_TIME_MEDIATIMETYPE iMediaTimeInfo;
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};
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private:
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COmxILVideoSchedulerPF(MOmxILCallbackNotificationIf& aCallbacks, COmxILVideoScheduler& aComponent, OMX_COMPONENTTYPE* aHandle);
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void ConstructL();
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TBool FindWaitingBuffer(const OMX_BUFFERHEADERTYPE* aBuffer, const OMX_TICKS& aMediaTime, TInt& aIndex) const;
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void SubmitBufferHeldByPause();
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TBool SendTimedOutputBuffer(OMX_BUFFERHEADERTYPE* aBuffer, const OMX_TIME_MEDIATIMETYPE& aMediaTimeInfo, TInt aIndex);
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void SendOutputBuffer(OMX_BUFFERHEADERTYPE* aBuffer);
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void DoSendOutputBuffer(OMX_BUFFERHEADERTYPE* aBuffer);
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void HandleIfError(OMX_ERRORTYPE aOmxError);
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OMX_ERRORTYPE SymbianErrorToOmx(TInt aError);
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void Panic(TVideoSchedulerPanic aPanicCode) const;
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private:
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COmxILVideoScheduler& iComponent;
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OMX_TICKS iRenderTime; // time it takes for Graphic Sink to render a frame
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TBool iPausedState;
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CBufferCopierStateMonitor* iBufferCopierStateMonitor;
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RPointerArray<OMX_BUFFERHEADERTYPE> iWaitingBuffers; // all waiting buffers, including those that received time updates
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TUint32 iOutputBufferSentCount; // Only allowed to send 2 buffers at a time
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RArray<TBufferMessage> iCompletedBuffersHeldByPause; // buffers that receive time indications while component is paused
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TInt64 iMaxLateness; // how late a buffer is allowed to be before it is dropped
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// to keep track of ClockState
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OMX_TIME_CONFIG_CLOCKSTATETYPE iClockState;
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// hold on to start time if received before clock enters WaitingForStartTime state
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TInt64 iStartTime;
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TBool iStartTimePending;
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// any buffer that is ready to be displayed but sink is not ready to receive
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OMX_BUFFERHEADERTYPE* iSinkPendingBuffer;
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TBool iIsClockStopped;
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TBool iInvalid;
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TUint32 iFrameDroppedCount; // shouldn't drop more than 2 frames at a time when decoder is slow
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OMX_TICKS iTimeStamp;
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RMutex iMutex;
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OMX_BOOL iEnableDropFrameEvent; //enable the extension to notify error when drop frame happen
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TUint32 iRenderTimeList[KRenderTimeListLength];
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TInt iRenderTimeListPos;
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TUint32 iRenderTimeSum; // the sum of the values in iRenderTimeList
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OMX_COMPONENTTYPE* iHandle;
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};
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#endif /*CCOMXILVIDEOSCHEDULERPF_H_*/
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