--- /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 <e32std.h>
+#include <e32base.h>
+#include <e32cmn.h>
+#include <graphics/surfacemanager.h>
+
+// class declaration
+class TVideoFrameBuffer;
+
+/** Buffer manager for video renderer */
+NONSHARABLE_CLASS(CRendererBufferManager) : public CBase
+	{
+public:
+	static CRendererBufferManager* NewL(const RSurfaceManager::TSurfaceInfoV01& aSurfaceInfo, const RArray<TInt>& 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<TInt>& aBufferOffsets);
+	TBool BufferUsedByClient(TVideoFrameBuffer* aBuffer);
+	void Lock();
+	void Unlock();
+
+private:
+	RChunk iChunk;
+	TBool iTimed;
+	RPointerArray<TVideoFrameBuffer> iBuffers;
+	TDblQue<TVideoFrameBuffer> iAvailBuffers;
+	TDblQue<TVideoFrameBuffer> iWaitingBuffers; // buffers waiting to be submitted
+	TDblQueIter<TVideoFrameBuffer> iWaitingBuffersIter;
+	RMutex iMutex;
+	};
+
+#endif // BUFFERMANAGER_H