sl@0: // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: 
sl@0: #ifndef VIDEOFRAMEBUFFER_H
sl@0: #define VIDEOFRAMEBUFFER_H
sl@0: 
sl@0: #include <e32def.h>
sl@0: #include <mmf/devvideo/devvideobase.h> // for TUncompressedVideoFormat
sl@0: 
sl@0: /** 
sl@0: TVideoFrameBuffer represents a buffer for a single decoded video picture. The 
sl@0: buffer must be contained within a chunk that can be shared across processes.
sl@0: 
sl@0: The frame buffer class is used both for video renderer data flow and with the 
sl@0: MMMFVideoClientBufferSupport extension.
sl@0: 
sl@0: @publishedPartner
sl@0: @released
sl@0: */
sl@0: class TVideoFrameBuffer
sl@0: 	{
sl@0: public:
sl@0: 	IMPORT_C TVideoFrameBuffer(const TUncompressedVideoFormat& aFormat, 
sl@0: 								TInt aStride, 
sl@0: 								TInt aBufferId, 
sl@0: 								const RChunk& aChunk, 
sl@0: 								TInt aOffsetInChunk);
sl@0: 
sl@0: 	IMPORT_C TUncompressedVideoFormat Format() const;
sl@0: 	IMPORT_C TUint Stride() const;
sl@0: 	IMPORT_C TInt BufferId() const;
sl@0: 	IMPORT_C const RChunk& Chunk() const;
sl@0: 	IMPORT_C TUint8* Buffer() const;
sl@0: 
sl@0: 	/** Status used by video renderer
sl@0: 	@internalComponent
sl@0: 	*/
sl@0: 	enum TBufferStatus
sl@0: 		{
sl@0: 		EAvailable,
sl@0: 		EUsedByClient,
sl@0: 		EWaiting,
sl@0: 		ESubmitted
sl@0: 		};
sl@0: 	
sl@0: 	TBufferStatus BufferStatus() const;
sl@0: 	void SetBufferStatus(TBufferStatus aStatus);
sl@0: 	TDblQueLink& DblQueLink();
sl@0: 	void SetPresentationTime(const TTime& aTime);
sl@0: 	TTime PresentationTime() const;
sl@0: 
sl@0: public: 
sl@0: 	/** Offset for link list
sl@0: 	@internalComponent
sl@0: 	*/
sl@0: 	static const TInt iOffset;
sl@0: 
sl@0: private:
sl@0: 	TUncompressedVideoFormat iFormat;
sl@0: 	TInt iStride;
sl@0: 	TInt iBufferId;
sl@0: 	RChunk iChunk;
sl@0: 	TInt iOffsetInChunk;
sl@0: 	TDblQueLink iDblQueLink;
sl@0: 	TBufferStatus iStatus;
sl@0: 	TTime iPresentationTime;
sl@0: 	};
sl@0: 
sl@0: #endif // VIDEOFRAMEBUFFER_H