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89 lines
2.0 KiB
C++
89 lines
2.0 KiB
C++
// (C) 2016 - 2018 Tino Reichardt
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#define ZSTD_STATIC_LINKING_ONLY
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#include "../../../C/Alloc.h"
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#include "../../../C/Threads.h"
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#include "../../../C/zstd/zstd.h"
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#include "../../Common/Common.h"
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#include "../../Common/MyCom.h"
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#include "../ICoder.h"
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#include "../Common/StreamUtils.h"
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#ifndef EXTRACT_ONLY
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namespace NCompress {
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namespace NZSTD {
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struct CProps
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{
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CProps() { clear (); }
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void clear ()
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{
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memset(this, 0, sizeof (*this));
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_ver_major = ZSTD_VERSION_MAJOR;
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_ver_minor = ZSTD_VERSION_MINOR;
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_level = 3;
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}
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Byte _ver_major;
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Byte _ver_minor;
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Byte _level;
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Byte _reserved[2];
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};
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class CEncoder:
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public ICompressCoder,
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public ICompressSetCoderMt,
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public ICompressSetCoderProperties,
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public ICompressWriteCoderProperties,
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public CMyUnknownImp
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{
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CProps _props;
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ZSTD_CCtx* _ctx;
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void* _srcBuf;
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void* _dstBuf;
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size_t _srcBufSize;
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size_t _dstBufSize;
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UInt64 _processedIn;
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UInt64 _processedOut;
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UInt32 _numThreads;
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HANDLE _hMutex;
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/* zstd advanced compression options */
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Int32 _Long;
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Int32 _Level;
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Int32 _Strategy;
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Int32 _WindowLog;
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Int32 _HashLog;
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Int32 _ChainLog;
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Int32 _SearchLog;
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Int32 _MinMatch;
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Int32 _TargetLen;
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Int32 _OverlapLog;
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Int32 _LdmHashLog;
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Int32 _LdmMinMatch;
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Int32 _LdmBucketSizeLog;
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Int32 _LdmHashRateLog;
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public:
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MY_QUERYINTERFACE_BEGIN2(ICompressCoder)
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MY_QUERYINTERFACE_ENTRY(ICompressSetCoderMt)
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MY_QUERYINTERFACE_ENTRY(ICompressSetCoderProperties)
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MY_QUERYINTERFACE_ENTRY(ICompressWriteCoderProperties)
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MY_QUERYINTERFACE_END
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MY_ADDREF_RELEASE
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STDMETHOD (Code)(ISequentialInStream *inStream, ISequentialOutStream *outStream, const UInt64 *inSize, const UInt64 *outSize, ICompressProgressInfo *progress);
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STDMETHOD (SetCoderProperties)(const PROPID *propIDs, const PROPVARIANT *props, UInt32 numProps);
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STDMETHOD (WriteCoderProperties)(ISequentialOutStream *outStream);
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STDMETHOD (SetNumberOfThreads)(UInt32 numThreads);
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CEncoder();
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virtual ~CEncoder();
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};
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}}
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#endif
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