diff -r 000000000000 -r 40261b775718 mmswadaptation/videorenderer/inc/buffermanager.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mmswadaptation/videorenderer/inc/buffermanager.h Tue Feb 02 01:56:55 2010 +0200 @@ -0,0 +1,63 @@ +// Copyright (c) 2007-2009 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 BUFFERMANAGER_H +#define BUFFERMANAGER_H + +#include +#include +#include +#include + +// class declaration +class TVideoFrameBuffer; + +/** Buffer manager for video renderer */ +NONSHARABLE_CLASS(CRendererBufferManager) : public CBase + { +public: + static CRendererBufferManager* NewL(const RSurfaceManager::TSurfaceInfoV01& aSurfaceInfo, const RArray& aBufferOffsets, const RChunk& aChunk, TBool aTimed); + ~CRendererBufferManager(); + TVideoFrameBuffer* NextBuffer(); + TBool ReleaseBuffer(TVideoFrameBuffer* aBuffer); + TBool UpdateBuffer(TVideoFrameBuffer* aBuffer, const TTime& aTime); + void BufferAvailable(TInt aBufferId); + TVideoFrameBuffer* WaitingBuffer(TBool aRemoveFromList, TBool& aIsLast); + void BufferSubmitted(TVideoFrameBuffer* aBuffer); + TBool WaitingListIsEmpty(); + +private: + CRendererBufferManager(const RChunk& aChunk, TBool aTimed); + void ConstructL(const RSurfaceManager::TSurfaceInfoV01& aSurfaceInfo, const RArray& aBufferOffsets); + TBool BufferUsedByClient(TVideoFrameBuffer* aBuffer); + void Lock(); + void Unlock(); + +private: + RChunk iChunk; + TBool iTimed; + RPointerArray iBuffers; + TDblQue iAvailBuffers; + TDblQue iWaitingBuffers; // buffers waiting to be submitted + TDblQueIter iWaitingBuffersIter; + RMutex iMutex; + }; + +#endif // BUFFERMANAGER_H