1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/mm/mmswadaptation/videorenderer/inc/buffermanager.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,63 @@
     1.4 +// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +//
    1.18 +
    1.19 +/**
    1.20 + @file
    1.21 + @internalComponent
    1.22 +*/
    1.23 +
    1.24 +#ifndef BUFFERMANAGER_H
    1.25 +#define BUFFERMANAGER_H
    1.26 +
    1.27 +#include <e32std.h>
    1.28 +#include <e32base.h>
    1.29 +#include <e32cmn.h>
    1.30 +#include <graphics/surfacemanager.h>
    1.31 +
    1.32 +// class declaration
    1.33 +class TVideoFrameBuffer;
    1.34 +
    1.35 +/** Buffer manager for video renderer */
    1.36 +NONSHARABLE_CLASS(CRendererBufferManager) : public CBase
    1.37 +	{
    1.38 +public:
    1.39 +	static CRendererBufferManager* NewL(const RSurfaceManager::TSurfaceInfoV01& aSurfaceInfo, const RArray<TInt>& aBufferOffsets, const RChunk& aChunk, TBool aTimed);
    1.40 +	~CRendererBufferManager();
    1.41 +	TVideoFrameBuffer* NextBuffer();
    1.42 +	TBool ReleaseBuffer(TVideoFrameBuffer* aBuffer);
    1.43 +	TBool UpdateBuffer(TVideoFrameBuffer* aBuffer, const TTime& aTime);
    1.44 +	void BufferAvailable(TInt aBufferId);
    1.45 +	TVideoFrameBuffer* WaitingBuffer(TBool aRemoveFromList, TBool& aIsLast);
    1.46 +	void BufferSubmitted(TVideoFrameBuffer* aBuffer);
    1.47 +	TBool WaitingListIsEmpty();
    1.48 +
    1.49 +private:
    1.50 +	CRendererBufferManager(const RChunk& aChunk, TBool aTimed);
    1.51 +	void ConstructL(const RSurfaceManager::TSurfaceInfoV01& aSurfaceInfo, const RArray<TInt>& aBufferOffsets);
    1.52 +	TBool BufferUsedByClient(TVideoFrameBuffer* aBuffer);
    1.53 +	void Lock();
    1.54 +	void Unlock();
    1.55 +
    1.56 +private:
    1.57 +	RChunk iChunk;
    1.58 +	TBool iTimed;
    1.59 +	RPointerArray<TVideoFrameBuffer> iBuffers;
    1.60 +	TDblQue<TVideoFrameBuffer> iAvailBuffers;
    1.61 +	TDblQue<TVideoFrameBuffer> iWaitingBuffers; // buffers waiting to be submitted
    1.62 +	TDblQueIter<TVideoFrameBuffer> iWaitingBuffersIter;
    1.63 +	RMutex iMutex;
    1.64 +	};
    1.65 +
    1.66 +#endif // BUFFERMANAGER_H