nel/3rdparty/seven_zip/Lzma2Enc.h

   1 /* Lzma2Enc.h -- LZMA2 Encoder
   2 2017-07-27 : Igor Pavlov : Public domain */
   3
   4 #ifndef __LZMA2_ENC_H
   5 #define __LZMA2_ENC_H
   6
   7 #include "LzmaEnc.h"
   8
   9 EXTERN_C_BEGIN
  10
  11 #define LZMA2_ENC_PROPS__BLOCK_SIZE__AUTO 0
  12 #define LZMA2_ENC_PROPS__BLOCK_SIZE__SOLID ((UInt64)(Int64)-1)
  13
  14 typedef struct
  15 {
  16   CLzmaEncProps lzmaProps;
  17   UInt64 blockSize;
  18   int numBlockThreads_Reduced;
  19   int numBlockThreads_Max;
  20   int numTotalThreads;
  21 } CLzma2EncProps;
  22
  23 void Lzma2EncProps_Init(CLzma2EncProps *p);
  24 void Lzma2EncProps_Normalize(CLzma2EncProps *p);
  25
  26 /* ---------- CLzmaEnc2Handle Interface ---------- */
  27
  28 /* Lzma2Enc_* functions can return the following exit codes:
  29 SRes:
  30   SZ_OK           - OK
  31   SZ_ERROR_MEM    - Memory allocation error
  32   SZ_ERROR_PARAM  - Incorrect paramater in props
  33   SZ_ERROR_WRITE  - ISeqOutStream write callback error
  34   SZ_ERROR_OUTPUT_EOF - output buffer overflow - version with (Byte *) output
  35   SZ_ERROR_PROGRESS - some break from progress callback
  36   SZ_ERROR_THREAD - error in multithreading functions (only for Mt version)
  37 */
  38
  39 typedef void * CLzma2EncHandle;
  40
  41 CLzma2EncHandle Lzma2Enc_Create(ISzAllocPtr alloc, ISzAllocPtr allocBig);
  42 void Lzma2Enc_Destroy(CLzma2EncHandle p);
  43 SRes Lzma2Enc_SetProps(CLzma2EncHandle p, const CLzma2EncProps *props);
  44 void Lzma2Enc_SetDataSize(CLzma2EncHandle p, UInt64 expectedDataSiize);
  45 Byte Lzma2Enc_WriteProperties(CLzma2EncHandle p);
  46 SRes Lzma2Enc_Encode2(CLzma2EncHandle p,
  47     ISeqOutStream *outStream,
  48     Byte *outBuf, size_t *outBufSize,
  49     ISeqInStream *inStream,
  50     const Byte *inData, size_t inDataSize,
  51     ICompressProgress *progress);
  52
  53 EXTERN_C_END
  54
  55 #endif