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2512b6593c
- using the recommended buffersizes from zstd lib - compile also an codec dll with support for legacy versions
64 lines
1.4 KiB
C++
64 lines
1.4 KiB
C++
// ZstdEncoder.h
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// (C) 2016 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/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 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_CStream *_cstream;
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void *_buffIn;
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void *_buffOut;
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size_t _buffInSize;
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size_t _buffOutSize;
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UInt64 _processedIn;
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UInt64 _processedOut;
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HRESULT CreateCompressor();
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public:
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MY_UNKNOWN_IMP2 (ICompressSetCoderProperties, ICompressWriteCoderProperties)
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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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CEncoder();
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virtual ~CEncoder();
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};
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}}
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#endif
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