omxil/video/omxilgraphicsink/src/mmfbuffershared.h
author Jeremy Murray-Wakefield <jeremy.murray-wakefield@nokia.com>
Fri, 07 May 2010 16:25:23 +0100
branchOpenMAX-IL_SHAI
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Implementation of OpenMAX-IL with SHAI
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/*
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* Copyright (c) 2008 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 MMFBUFFERSHARED_H
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#define MMFBUFFERSHARED_H
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#include <e32cmn.h>
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const TInt KMinBuffers = 1;
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const TInt KMinBufferSize = 4000;
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/**
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 * The T class holds the filled buffer information for each buffer.
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 */
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class TFilledBufferHeaderV2 
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	{
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public:
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	/** Amount of buffer filled with actual data */
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	TUint iFilledLength; 
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	/** Any timestamp associated with the buffer */
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	TInt64 iTimeStamp;
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	/** Combination of OMX_BUFFERFLAG_*, specified at page 68 in the OpenMAX spec. */
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	TUint iFlags; 
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	/** offset **/
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	TUint32 iOffset;
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	};
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/** Shared chunk buffers information. It can be set by the user. */
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class TMMSharedChunkBufConfig
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	{
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public:
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	/** The number of buffers. */
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	TInt iNumBuffers;
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	/** The size of each buffer in bytes. */
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	TInt iBufferSizeInBytes;
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	};
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struct TBufSrcComponentHandles
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	{
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	/** The descriptor containing the name of the global chunk to be opened  */
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	TName iChunkName;
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	/** The descriptor containing the name of the global message queue 
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	 for the available buffer notification */
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	TName iBufferAvailMsgQueue;
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	/** The descriptor containing the name of the global message queue 
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	 for the filled buffer */
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	TName iBufferFilledMsgQueue;
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	};
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#endif // MMFBUFFERSHARED_H