1 ///////////////////////////////////////////////////////////////////////////////
3 /// \file lzma2_encoder.h
4 /// \brief LZMA2 encoder
6 // Authors: Igor Pavlov
9 // This file has been put into the public domain.
10 // You can do whatever you want with this file.
12 ///////////////////////////////////////////////////////////////////////////////
14 #ifndef LZMA_LZMA2_ENCODER_H
15 #define LZMA_LZMA2_ENCODER_H
20 /// Maximum number of bytes of actual data per chunk (no headers)
21 #define LZMA2_CHUNK_MAX (UINT32_C(1) << 16)
23 /// Maximum uncompressed size of LZMA chunk (no headers)
24 #define LZMA2_UNCOMPRESSED_MAX (UINT32_C(1) << 21)
26 /// Maximum size of LZMA2 headers
27 #define LZMA2_HEADER_MAX 6
29 /// Size of a header for uncompressed chunk
30 #define LZMA2_HEADER_UNCOMPRESSED 3
33 extern lzma_ret lzma_lzma2_encoder_init(
34 lzma_next_coder *next, const lzma_allocator *allocator,
35 const lzma_filter_info *filters);
37 extern uint64_t lzma_lzma2_encoder_memusage(const void *options);
39 extern lzma_ret lzma_lzma2_props_encode(const void *options, uint8_t *out);
41 extern uint64_t lzma_lzma2_block_size(const void *options);