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