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1 // 7zDecode.h
2 
3 #ifndef __7Z_DECODE_H
4 #define __7Z_DECODE_H
5 
6 #include "../Common/CoderMixer2.h"
7 
8 #include "7zIn.h"
9 
10 namespace NArchive {
11 namespace N7z {
12 
13 struct CBindInfoEx: public NCoderMixer2::CBindInfo
14 {
15   CRecordVector<CMethodId> CoderMethodIDs;
16 
ClearCBindInfoEx17   void Clear()
18   {
19     CBindInfo::Clear();
20     CoderMethodIDs.Clear();
21   }
22 };
23 
24 class CDecoder
25 {
26   bool _bindInfoPrev_Defined;
27   CBindInfoEx _bindInfoPrev;
28 
29   bool _useMixerMT;
30 
31   #ifdef USE_MIXER_ST
32     NCoderMixer2::CMixerST *_mixerST;
33   #endif
34 
35   #ifdef USE_MIXER_MT
36     NCoderMixer2::CMixerMT *_mixerMT;
37   #endif
38 
39   NCoderMixer2::CMixer *_mixer;
40   CMyComPtr<IUnknown> _mixerRef;
41 
42 public:
43 
44   CDecoder(bool useMixerMT);
45 
46   HRESULT Decode(
47       DECL_EXTERNAL_CODECS_LOC_VARS
48       IInStream *inStream,
49       UInt64 startPos,
50       const CFolders &folders, unsigned folderIndex,
51       const UInt64 *unpackSize // if (!unpackSize), then full folder is required
52                                // if (unpackSize), then only *unpackSize bytes from folder are required
53 
54       , ISequentialOutStream *outStream
55       , ICompressProgressInfo *compressProgress
56       , ISequentialInStream **inStreamMainRes
57 
58       _7Z_DECODER_CRYPRO_VARS_DECL
59 
60       #if !defined(_7ZIP_ST) && !defined(_SFX)
61       , bool mtMode, UInt32 numThreads
62       #endif
63       );
64 };
65 
66 }}
67 
68 #endif
69