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82 lines
2.2 KiB
C
82 lines
2.2 KiB
C
/* Lzma2DecMt.h -- LZMA2 Decoder Multi-thread
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2023-04-13 : Igor Pavlov : Public domain */
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#ifndef ZIP7_INC_LZMA2_DEC_MT_H
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#define ZIP7_INC_LZMA2_DEC_MT_H
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#include "7zTypes.h"
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EXTERN_C_BEGIN
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typedef struct
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{
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size_t inBufSize_ST;
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size_t outStep_ST;
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#ifndef Z7_ST
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unsigned numThreads;
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size_t inBufSize_MT;
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size_t outBlockMax;
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size_t inBlockMax;
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#endif
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} CLzma2DecMtProps;
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/* init to single-thread mode */
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void Lzma2DecMtProps_Init(CLzma2DecMtProps *p);
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/* ---------- CLzma2DecMtHandle Interface ---------- */
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/* Lzma2DecMt_ * functions can return the following exit codes:
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SRes:
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SZ_OK - OK
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SZ_ERROR_MEM - Memory allocation error
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SZ_ERROR_PARAM - Incorrect paramater in props
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SZ_ERROR_WRITE - ISeqOutStream write callback error
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// SZ_ERROR_OUTPUT_EOF - output buffer overflow - version with (Byte *) output
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SZ_ERROR_PROGRESS - some break from progress callback
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SZ_ERROR_THREAD - error in multithreading functions (only for Mt version)
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*/
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typedef struct CLzma2DecMt CLzma2DecMt;
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typedef CLzma2DecMt * CLzma2DecMtHandle;
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// Z7_DECLARE_HANDLE(CLzma2DecMtHandle)
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CLzma2DecMtHandle Lzma2DecMt_Create(ISzAllocPtr alloc, ISzAllocPtr allocMid);
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void Lzma2DecMt_Destroy(CLzma2DecMtHandle p);
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SRes Lzma2DecMt_Decode(CLzma2DecMtHandle p,
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Byte prop,
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const CLzma2DecMtProps *props,
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ISeqOutStreamPtr outStream,
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const UInt64 *outDataSize, // NULL means undefined
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int finishMode, // 0 - partial unpacking is allowed, 1 - if lzma2 stream must be finished
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// Byte *outBuf, size_t *outBufSize,
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ISeqInStreamPtr inStream,
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// const Byte *inData, size_t inDataSize,
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// out variables:
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UInt64 *inProcessed,
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int *isMT, /* out: (*isMT == 0), if single thread decoding was used */
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// UInt64 *outProcessed,
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ICompressProgressPtr progress);
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/* ---------- Read from CLzma2DecMtHandle Interface ---------- */
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SRes Lzma2DecMt_Init(CLzma2DecMtHandle pp,
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Byte prop,
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const CLzma2DecMtProps *props,
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const UInt64 *outDataSize, int finishMode,
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ISeqInStreamPtr inStream);
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SRes Lzma2DecMt_Read(CLzma2DecMtHandle pp,
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Byte *data, size_t *outSize,
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UInt64 *inStreamProcessed);
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EXTERN_C_END
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#endif
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