nel/3rdparty/seven_zip/XzEnc.h

   1 /* XzEnc.h -- Xz Encode
   2 2017-06-27 : Igor Pavlov : Public domain */
   3
   4 #ifndef __XZ_ENC_H
   5 #define __XZ_ENC_H
   6
   7 #include "Lzma2Enc.h"
   8
   9 #include "Xz.h"
  10
  11 EXTERN_C_BEGIN
  12
  13
  14 #define XZ_PROPS__BLOCK_SIZE__AUTO   LZMA2_ENC_PROPS__BLOCK_SIZE__AUTO
  15 #define XZ_PROPS__BLOCK_SIZE__SOLID  LZMA2_ENC_PROPS__BLOCK_SIZE__SOLID
  16
  17
  18 typedef struct
  19 {
  20   UInt32 id;
  21   UInt32 delta;
  22   UInt32 ip;
  23   int ipDefined;
  24 } CXzFilterProps;
  25
  26 void XzFilterProps_Init(CXzFilterProps *p);
  27
  28
  29 typedef struct
  30 {
  31   CLzma2EncProps lzma2Props;
  32   CXzFilterProps filterProps;
  33   unsigned checkId;
  34   UInt64 blockSize;
  35   int numBlockThreads_Reduced;
  36   int numBlockThreads_Max;
  37   int numTotalThreads;
  38   int forceWriteSizesInHeader;
  39   UInt64 reduceSize;
  40 } CXzProps;
  41
  42 void XzProps_Init(CXzProps *p);
  43
  44
  45 typedef void * CXzEncHandle;
  46
  47 CXzEncHandle XzEnc_Create(ISzAllocPtr alloc, ISzAllocPtr allocBig);
  48 void XzEnc_Destroy(CXzEncHandle p);
  49 SRes XzEnc_SetProps(CXzEncHandle p, const CXzProps *props);
  50 void XzEnc_SetDataSize(CXzEncHandle p, UInt64 expectedDataSiize);
  51 SRes XzEnc_Encode(CXzEncHandle p, ISeqOutStream *outStream, ISeqInStream *inStream, ICompressProgress *progress);
  52
  53 SRes Xz_Encode(ISeqOutStream *outStream, ISeqInStream *inStream,
  54     const CXzProps *props, ICompressProgress *progress);
  55
  56 SRes Xz_EncodeEmpty(ISeqOutStream *outStream);
  57
  58 EXTERN_C_END
  59
  60 #endif