|
sl@0
|
1 |
/*
|
|
sl@0
|
2 |
* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
|
|
sl@0
|
3 |
* All rights reserved.
|
|
sl@0
|
4 |
* This component and the accompanying materials are made available
|
|
sl@0
|
5 |
* under the terms of "Eclipse Public License v1.0"
|
|
sl@0
|
6 |
* which accompanies this distribution, and is available
|
|
sl@0
|
7 |
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
|
|
sl@0
|
8 |
*
|
|
sl@0
|
9 |
* Initial Contributors:
|
|
sl@0
|
10 |
* Nokia Corporation - initial contribution.
|
|
sl@0
|
11 |
*
|
|
sl@0
|
12 |
* Contributors:
|
|
sl@0
|
13 |
*
|
|
sl@0
|
14 |
* Description: Class definition for the frame table functions.
|
|
sl@0
|
15 |
*
|
|
sl@0
|
16 |
*/
|
|
sl@0
|
17 |
|
|
sl@0
|
18 |
|
|
sl@0
|
19 |
#ifndef CFRAMETABLE_H
|
|
sl@0
|
20 |
#define CFRAMETABLE_H
|
|
sl@0
|
21 |
|
|
sl@0
|
22 |
// INCLUDES
|
|
sl@0
|
23 |
#include <e32base.h>
|
|
sl@0
|
24 |
|
|
sl@0
|
25 |
// FORWARD DECLARATIONS
|
|
sl@0
|
26 |
class MFrameTableEventObserver;
|
|
sl@0
|
27 |
|
|
sl@0
|
28 |
// CLASS DEFINITIONS
|
|
sl@0
|
29 |
|
|
sl@0
|
30 |
/**
|
|
sl@0
|
31 |
* This class provides AAC utility functions.
|
|
sl@0
|
32 |
*
|
|
sl@0
|
33 |
* @lib AACAudioControllerUtility.lib
|
|
sl@0
|
34 |
* @since 3.0
|
|
sl@0
|
35 |
*/
|
|
sl@0
|
36 |
class CFrameTable : public CBase
|
|
sl@0
|
37 |
{
|
|
sl@0
|
38 |
public:
|
|
sl@0
|
39 |
// Constructors and destructor
|
|
sl@0
|
40 |
|
|
sl@0
|
41 |
enum TFrameTableEvent
|
|
sl@0
|
42 |
{
|
|
sl@0
|
43 |
EPosReached,
|
|
sl@0
|
44 |
EDecodeInterval,
|
|
sl@0
|
45 |
EPlayWindowEndPosReached
|
|
sl@0
|
46 |
};
|
|
sl@0
|
47 |
|
|
sl@0
|
48 |
/**
|
|
sl@0
|
49 |
* Two-phased constructor.
|
|
sl@0
|
50 |
*/
|
|
sl@0
|
51 |
IMPORT_C static CFrameTable* NewL();
|
|
sl@0
|
52 |
|
|
sl@0
|
53 |
/**
|
|
sl@0
|
54 |
* Destructor.
|
|
sl@0
|
55 |
*/
|
|
sl@0
|
56 |
IMPORT_C virtual ~CFrameTable();
|
|
sl@0
|
57 |
|
|
sl@0
|
58 |
public:
|
|
sl@0
|
59 |
// New functions
|
|
sl@0
|
60 |
|
|
sl@0
|
61 |
IMPORT_C TInt InitFrameTable(TInt aSampleRate, TInt aSamplesPerFrame);
|
|
sl@0
|
62 |
IMPORT_C TInt SubmitTableEntry(TUint aPos);
|
|
sl@0
|
63 |
|
|
sl@0
|
64 |
IMPORT_C TInt FindFramePosFromTime(TUint& aTimeMs, TUint& aPos);
|
|
sl@0
|
65 |
IMPORT_C TInt FindFrameTimeFromPos(TUint& aTimeMs, TUint& aPos);
|
|
sl@0
|
66 |
IMPORT_C TInt LastFramePos(TUint& aPos);
|
|
sl@0
|
67 |
IMPORT_C TInt LastFrameTime(TUint& aTimeMs);
|
|
sl@0
|
68 |
|
|
sl@0
|
69 |
IMPORT_C void ShrinkTable();
|
|
sl@0
|
70 |
IMPORT_C void ResetTable();
|
|
sl@0
|
71 |
|
|
sl@0
|
72 |
IMPORT_C TInt SetSourceReference(TUint aTimeMs, TUint aPos);
|
|
sl@0
|
73 |
|
|
sl@0
|
74 |
IMPORT_C TInt RegisterForEvent(TFrameTableEvent aEvent,
|
|
sl@0
|
75 |
MFrameTableEventObserver* aObserver, TUint aParam);
|
|
sl@0
|
76 |
IMPORT_C TInt UnRegisterForEvent(TFrameTableEvent aEvent,
|
|
sl@0
|
77 |
MFrameTableEventObserver* aObserver);
|
|
sl@0
|
78 |
IMPORT_C TInt Bitrate();
|
|
sl@0
|
79 |
IMPORT_C TInt IsSeeking(TBool& aIsSeeking);
|
|
sl@0
|
80 |
IMPORT_C TInt GetLastPosEvent(TUint& aPos);
|
|
sl@0
|
81 |
|
|
sl@0
|
82 |
private:
|
|
sl@0
|
83 |
|
|
sl@0
|
84 |
class TBufRefPosEntry
|
|
sl@0
|
85 |
{
|
|
sl@0
|
86 |
public:
|
|
sl@0
|
87 |
TUint iPos;
|
|
sl@0
|
88 |
TUint iFrameNum;
|
|
sl@0
|
89 |
};
|
|
sl@0
|
90 |
|
|
sl@0
|
91 |
/**
|
|
sl@0
|
92 |
* C++ default constructor.
|
|
sl@0
|
93 |
*/
|
|
sl@0
|
94 |
CFrameTable();
|
|
sl@0
|
95 |
|
|
sl@0
|
96 |
/**
|
|
sl@0
|
97 |
* By default Symbian 2nd phase constructor is private.
|
|
sl@0
|
98 |
*/
|
|
sl@0
|
99 |
void ConstructL();
|
|
sl@0
|
100 |
|
|
sl@0
|
101 |
TUint CalcFrameFromTimeMs(TUint aTimeMs);
|
|
sl@0
|
102 |
TInt SubmitLowResTableEntry(TBufRefPosEntry& aEntry);
|
|
sl@0
|
103 |
|
|
sl@0
|
104 |
private:
|
|
sl@0
|
105 |
// Data
|
|
sl@0
|
106 |
|
|
sl@0
|
107 |
RArray<TBufRefPosEntry> iFrameTable;
|
|
sl@0
|
108 |
RArray<TBufRefPosEntry> iLowResFrameTable;
|
|
sl@0
|
109 |
TUint iSampleRate;
|
|
sl@0
|
110 |
TUint iSamplesPerFrame;
|
|
sl@0
|
111 |
TUint iMsecPerFrame;
|
|
sl@0
|
112 |
TUint iLastBytePos;
|
|
sl@0
|
113 |
TUint iAvgBitrate;
|
|
sl@0
|
114 |
TUint iOffset;
|
|
sl@0
|
115 |
TUint iTimeRefMs;
|
|
sl@0
|
116 |
TUint iBufCnt;
|
|
sl@0
|
117 |
TUint iPosEventMs;
|
|
sl@0
|
118 |
TUint iPlayWindowEndPosEventMs;
|
|
sl@0
|
119 |
TInt iIntervalRef;
|
|
sl@0
|
120 |
TUint iIntervalEvent;
|
|
sl@0
|
121 |
MFrameTableEventObserver* iObserver;
|
|
sl@0
|
122 |
TUint iEventPos;
|
|
sl@0
|
123 |
TUint iCurrentFrameCount;
|
|
sl@0
|
124 |
TUint iFramesPerLowResInterval;
|
|
sl@0
|
125 |
TUint iLowResIntervalMs;
|
|
sl@0
|
126 |
TUint iFrameNum;
|
|
sl@0
|
127 |
TBool iOkToShrink;
|
|
sl@0
|
128 |
};
|
|
sl@0
|
129 |
|
|
sl@0
|
130 |
class MFrameTableEventObserver
|
|
sl@0
|
131 |
{
|
|
sl@0
|
132 |
public:
|
|
sl@0
|
133 |
virtual TInt
|
|
sl@0
|
134 |
HandleFrameTableEvent(CFrameTable::TFrameTableEvent aEvent) = 0;
|
|
sl@0
|
135 |
};
|
|
sl@0
|
136 |
|
|
sl@0
|
137 |
#endif // CFRAMETABLE_H
|
|
sl@0
|
138 |
// End of File
|