1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
// LZ/MT.h
#ifndef __LZ_MT_H
#define __LZ_MT_H
#include "../../../../Common/MyCom.h"
#include "../../../../Windows/Thread.h"
#include "../../../../Windows/Synchronization.h"
#include "../../../ICoder.h"
#include "../IMatchFinder.h"
const int kNumMTBlocks = 3;
class CMatchFinderMT:
public IMatchFinder,
public CMyUnknownImp
{
MY_UNKNOWN_IMP
STDMETHOD(Init)(ISequentialInStream *s);
STDMETHOD_(void, ReleaseStream)();
STDMETHOD(MovePos)();
STDMETHOD_(Byte, GetIndexByte)(Int32 index);
STDMETHOD_(UInt32, GetMatchLen)(Int32 index, UInt32 distance, UInt32 limit);
STDMETHOD_(UInt32, GetNumAvailableBytes)();
STDMETHOD_(const Byte *, GetPointerToCurrentPos)();
STDMETHOD(Create)(UInt32 sizeHistory,
UInt32 keepAddBufferBefore, UInt32 matchMaxLen,
UInt32 keepAddBufferAfter);
STDMETHOD_(UInt32, GetLongestMatch)(UInt32 *distances);
STDMETHOD_(void, DummyLongestMatch)();
UInt32 m_CurrentPos;
UInt32 m_CurrentLimitPos;
UInt32 m_MatchMaxLen;
UInt32 m_BlockSize;
UInt32 *m_Buffer;
UInt32 *m_Buffers[kNumMTBlocks];
UInt32 *m_DummyBuffer;
bool m_NeedStart;
UInt32 m_WriteBufferIndex;
UInt32 m_ReadBufferIndex;
NWindows::NSynchronization::CAutoResetEvent m_StopWriting;
NWindows::NSynchronization::CAutoResetEvent m_WritingWasStopped;
NWindows::NSynchronization::CManualResetEvent m_ExitEvent;
NWindows::NSynchronization::CAutoResetEvent m_CanReadEvents[kNumMTBlocks];
NWindows::NSynchronization::CAutoResetEvent m_CanWriteEvents[kNumMTBlocks];
HRESULT m_Results[kNumMTBlocks];
UInt32 m_LimitPos[kNumMTBlocks];
UInt32 m_NumAvailableBytes[kNumMTBlocks];
UInt32 m_NumAvailableBytesCurrent;
NWindows::CThread m_Thread;
UInt32 _multiThreadMult;
HRESULT m_Result;
void Start();
void FreeMem();
public:
NWindows::NSynchronization::CAutoResetEvent m_AskChangeBufferPos;
NWindows::NSynchronization::CAutoResetEvent m_CanChangeBufferPos;
NWindows::NSynchronization::CAutoResetEvent m_BufferPosWasChanged;
CMyComPtr<IMatchFinder> m_MatchFinder;
const Byte *m_DataCurrentPos;
DWORD ThreadFunc();
CMatchFinderMT();
~CMatchFinderMT();
HRESULT SetMatchFinder(IMatchFinder *matchFinder, UInt32 multiThreadMult = 200);
};
#endif
|
