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58 lines
1.7 KiB
C
58 lines
1.7 KiB
C
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/* Lzma2Enc.h -- LZMA2 Encoder
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2023-04-13 : Igor Pavlov : Public domain */
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#ifndef ZIP7_INC_LZMA2_ENC_H
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#define ZIP7_INC_LZMA2_ENC_H
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#include "LzmaEnc.h"
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EXTERN_C_BEGIN
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#define LZMA2_ENC_PROPS_BLOCK_SIZE_AUTO 0
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#define LZMA2_ENC_PROPS_BLOCK_SIZE_SOLID ((UInt64)(Int64)-1)
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typedef struct
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{
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CLzmaEncProps lzmaProps;
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UInt64 blockSize;
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int numBlockThreads_Reduced;
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int numBlockThreads_Max;
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int numTotalThreads;
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} CLzma2EncProps;
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void Lzma2EncProps_Init(CLzma2EncProps *p);
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void Lzma2EncProps_Normalize(CLzma2EncProps *p);
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/* ---------- CLzmaEnc2Handle Interface ---------- */
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/* Lzma2Enc_* 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 CLzma2Enc CLzma2Enc;
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typedef CLzma2Enc * CLzma2EncHandle;
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// Z7_DECLARE_HANDLE(CLzma2EncHandle)
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CLzma2EncHandle Lzma2Enc_Create(ISzAllocPtr alloc, ISzAllocPtr allocBig);
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void Lzma2Enc_Destroy(CLzma2EncHandle p);
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SRes Lzma2Enc_SetProps(CLzma2EncHandle p, const CLzma2EncProps *props);
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void Lzma2Enc_SetDataSize(CLzma2EncHandle p, UInt64 expectedDataSiize);
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Byte Lzma2Enc_WriteProperties(CLzma2EncHandle p);
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SRes Lzma2Enc_Encode2(CLzma2EncHandle p,
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ISeqOutStreamPtr outStream,
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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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ICompressProgressPtr progress);
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EXTERN_C_END
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#endif
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