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// Copyright (c) 2005-2009 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 the License "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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// e32test\multimedia\d_mmcsc.h
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// The interface to a device driver which creates a shared chunk - for use with the sound driver tests.
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// This driver uses only generic kernel APIs and so need not be built from each variant.
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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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@test
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*/
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#if !defined(__D_MMCSC_H__)
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#define __D_MMCSC_H__
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#include <e32cmn.h>
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#ifndef __KERNEL_MODE__
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#include <e32std.h>
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#endif
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_LIT(KDevMmCScName,"MmCSc");
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const TInt KMmCScBufSize=153600; // 150K
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const TInt KMmCScNumBuffers=8;
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struct SBufSpecList
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{
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/** The first entry of the buffer offset list. This list holds the offset from the start of the chunk
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for each buffer. This list is only valid if the flag KScFlagBufOffsetListInUse is set in
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TSharedChunkBufConfigBase::iFlags. */
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TInt iBufferOffset;
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TInt iBufferId;
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};
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class TMmSharedChunkBufConfig : public TSharedChunkBufConfigBase
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{
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public:
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/** The buffer offset list. This holds the offset from the start of the chunk for each buffer. This list is
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only valid if the flag KScFlagBufOffsetListInUse is set in TSharedChunkBufConfigBase::iFlags. */
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struct SBufSpecList iSpec[KMmCScNumBuffers];
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};
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class TCapsMmCScV01
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{
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public:
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TVersion iVersion;
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};
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class RMmCreateSc : public RBusLogicalChannel
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{
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public:
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enum TControl
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{ EGetChunkHandle,EGetBufInfo };
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#ifndef __KERNEL_MODE__
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public:
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inline TInt Open()
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{ return DoCreate(KDevMmCScName,TVersion(0,1,1),KNullUnit,NULL,NULL,EOwnerThread);}
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inline TInt GetChunkHandle(RChunk& aChunk)
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{ return(aChunk.SetReturnedHandle(DoControl(EGetChunkHandle)));}
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inline TInt GetBufInfo(TDes8& aBufInfo)
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{ return(DoControl(EGetBufInfo,(TAny*)&aBufInfo));}
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#endif
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};
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#endif // __D_MMCSC_H__
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