author | sl@SLION-WIN7.fritz.box |
Fri, 15 Jun 2012 03:10:57 +0200 | |
changeset 0 | bde4ae8d615e |
permissions | -rw-r--r-- |
sl@0 | 1 |
// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). |
sl@0 | 2 |
// All rights reserved. |
sl@0 | 3 |
// This component and the accompanying materials are made available |
sl@0 | 4 |
// under the terms of the License "Eclipse Public License v1.0" |
sl@0 | 5 |
// which accompanies this distribution, and is available |
sl@0 | 6 |
// at the URL "http://www.eclipse.org/legal/epl-v10.html". |
sl@0 | 7 |
// |
sl@0 | 8 |
// Initial Contributors: |
sl@0 | 9 |
// Nokia Corporation - initial contribution. |
sl@0 | 10 |
// |
sl@0 | 11 |
// Contributors: |
sl@0 | 12 |
// |
sl@0 | 13 |
// Description: |
sl@0 | 14 |
// |
sl@0 | 15 |
|
sl@0 | 16 |
/** |
sl@0 | 17 |
@file |
sl@0 | 18 |
@internalTechnology |
sl@0 | 19 |
*/ |
sl@0 | 20 |
|
sl@0 | 21 |
#ifndef TMSMEMMAP_H |
sl@0 | 22 |
#define TMSMEMMAP_H |
sl@0 | 23 |
|
sl@0 | 24 |
|
sl@0 | 25 |
|
sl@0 | 26 |
class TMsDataMemMap |
sl@0 | 27 |
{ |
sl@0 | 28 |
public: |
sl@0 | 29 |
static const TInt KSectorSize = 0x200; // 512 |
sl@0 | 30 |
static const TInt KFormatSectorShift = 9; |
sl@0 | 31 |
|
sl@0 | 32 |
TMsDataMemMap(); |
sl@0 | 33 |
void Reset(); |
sl@0 | 34 |
|
sl@0 | 35 |
void InitDataArea(TUint32 aFirstDataSector, TUint32 aNumSectors); |
sl@0 | 36 |
void InitDataArea(TUint64 aSize); |
sl@0 | 37 |
|
sl@0 | 38 |
TInt BlockLength() const; |
sl@0 | 39 |
TUint64 DataSize() const; |
sl@0 | 40 |
|
sl@0 | 41 |
TInt64 GetDataPos(TInt64 aPos) const; |
sl@0 | 42 |
TInt TranslateDataPos(TInt64& aPos, TInt& aLength) const; |
sl@0 | 43 |
TInt CheckBlockInRange(TInt64& aPos, TInt aLength) const; |
sl@0 | 44 |
|
sl@0 | 45 |
private: |
sl@0 | 46 |
// Whole media |
sl@0 | 47 |
// Size |
sl@0 | 48 |
TUint64 iSize; |
sl@0 | 49 |
|
sl@0 | 50 |
// Data Area |
sl@0 | 51 |
// Offset |
sl@0 | 52 |
TInt64 iDataOffset; |
sl@0 | 53 |
}; |
sl@0 | 54 |
|
sl@0 | 55 |
#include "tmsmemmap.inl" |
sl@0 | 56 |
|
sl@0 | 57 |
#endif // TMSMEMMAP_H |