rlm@1: /*  LzmaEnc.h -- LZMA Encoder
rlm@1: 2008-10-04 : Igor Pavlov : Public domain */
rlm@1: 
rlm@1: #ifndef __LZMAENC_H
rlm@1: #define __LZMAENC_H
rlm@1: 
rlm@1: #include "Types.h"
rlm@1: 
rlm@1: #define LZMA_PROPS_SIZE 5
rlm@1: 
rlm@1: typedef struct _CLzmaEncProps
rlm@1: {
rlm@1:   int level;       /*  0 <= level <= 9 */
rlm@1:   UInt32 dictSize; /* (1 << 12) <= dictSize <= (1 << 27) for 32-bit version
rlm@1:                       (1 << 12) <= dictSize <= (1 << 30) for 64-bit version
rlm@1:                        default = (1 << 24) */
rlm@1:   int lc;          /* 0 <= lc <= 8, default = 3 */
rlm@1:   int lp;          /* 0 <= lp <= 4, default = 0 */
rlm@1:   int pb;          /* 0 <= pb <= 4, default = 2 */
rlm@1:   int algo;        /* 0 - fast, 1 - normal, default = 1 */
rlm@1:   int fb;          /* 5 <= fb <= 273, default = 32 */
rlm@1:   int btMode;      /* 0 - hashChain Mode, 1 - binTree mode - normal, default = 1 */
rlm@1:   int numHashBytes; /* 2, 3 or 4, default = 4 */
rlm@1:   UInt32 mc;        /* 1 <= mc <= (1 << 30), default = 32 */
rlm@1:   unsigned writeEndMark;  /* 0 - do not write EOPM, 1 - write EOPM, default = 0 */
rlm@1:   int numThreads;  /* 1 or 2, default = 2 */
rlm@1: } CLzmaEncProps;
rlm@1: 
rlm@1: void LzmaEncProps_Init(CLzmaEncProps *p);
rlm@1: void LzmaEncProps_Normalize(CLzmaEncProps *p);
rlm@1: UInt32 LzmaEncProps_GetDictSize(const CLzmaEncProps *props2);
rlm@1: 
rlm@1: 
rlm@1: /* ---------- CLzmaEncHandle Interface ---------- */
rlm@1: 
rlm@1: /* LzmaEnc_* functions can return the following exit codes:
rlm@1: Returns:
rlm@1:   SZ_OK           - OK
rlm@1:   SZ_ERROR_MEM    - Memory allocation error
rlm@1:   SZ_ERROR_PARAM  - Incorrect paramater in props
rlm@1:   SZ_ERROR_WRITE  - Write callback error.
rlm@1:   SZ_ERROR_PROGRESS - some break from progress callback
rlm@1:   SZ_ERROR_THREAD - errors in multithreading functions (only for Mt version)
rlm@1: */
rlm@1: 
rlm@1: typedef void * CLzmaEncHandle;
rlm@1: 
rlm@1: CLzmaEncHandle LzmaEnc_Create(ISzAlloc *alloc);
rlm@1: void LzmaEnc_Destroy(CLzmaEncHandle p, ISzAlloc *alloc, ISzAlloc *allocBig);
rlm@1: SRes LzmaEnc_SetProps(CLzmaEncHandle p, const CLzmaEncProps *props);
rlm@1: SRes LzmaEnc_WriteProperties(CLzmaEncHandle p, Byte *properties, SizeT *size);
rlm@1: SRes LzmaEnc_Encode(CLzmaEncHandle p, ISeqOutStream *outStream, ISeqInStream *inStream,
rlm@1:     ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig);
rlm@1: SRes LzmaEnc_MemEncode(CLzmaEncHandle p, Byte *dest, SizeT *destLen, const Byte *src, SizeT srcLen,
rlm@1:     int writeEndMark, ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig);
rlm@1: 
rlm@1: /* ---------- One Call Interface ---------- */
rlm@1: 
rlm@1: /* LzmaEncode
rlm@1: Return code:
rlm@1:   SZ_OK               - OK
rlm@1:   SZ_ERROR_MEM        - Memory allocation error
rlm@1:   SZ_ERROR_PARAM      - Incorrect paramater
rlm@1:   SZ_ERROR_OUTPUT_EOF - output buffer overflow
rlm@1:   SZ_ERROR_THREAD     - errors in multithreading functions (only for Mt version)
rlm@1: */
rlm@1: 
rlm@1: SRes LzmaEncode(Byte *dest, SizeT *destLen, const Byte *src, SizeT srcLen,
rlm@1:     const CLzmaEncProps *props, Byte *propsEncoded, SizeT *propsSize, int writeEndMark,
rlm@1:     ICompressProgress *progress, ISzAlloc *alloc, ISzAlloc *allocBig);
rlm@1: 
rlm@1: #endif