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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 
     17   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