release/src-rt-6.x.4708/tools/misc/xz/src/liblzma/lzma/lzma2_encoder.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 //
   3 /// \file       lzma2_encoder.h
   4 /// \brief      LZMA2 encoder
   5 ///
   6 //  Authors:    Igor Pavlov
   7 //              Lasse Collin
   8 //
   9 //  This file has been put into the public domain.
  10 //  You can do whatever you want with this file.
  11 //
  12 ///////////////////////////////////////////////////////////////////////////////
  13
  14 #ifndef LZMA_LZMA2_ENCODER_H
  15 #define LZMA_LZMA2_ENCODER_H
  16
  17 #include "common.h"
  18
  19
  20 /// Maximum number of bytes of actual data per chunk (no headers)
  21 #define LZMA2_CHUNK_MAX (UINT32_C(1) << 16)
  22
  23 /// Maximum uncompressed size of LZMA chunk (no headers)
  24 #define LZMA2_UNCOMPRESSED_MAX (UINT32_C(1) << 21)
  25
  26 /// Maximum size of LZMA2 headers
  27 #define LZMA2_HEADER_MAX 6
  28
  29 /// Size of a header for uncompressed chunk
  30 #define LZMA2_HEADER_UNCOMPRESSED 3
  31
  32
  33 extern lzma_ret lzma_lzma2_encoder_init(
  34                 lzma_next_coder *next, lzma_allocator *allocator,
  35                 const lzma_filter_info *filters);
  36
  37 extern uint64_t lzma_lzma2_encoder_memusage(const void *options);
  38
  39 extern lzma_ret lzma_lzma2_props_encode(const void *options, uint8_t *out);
  40
  41 #endif