xref: /freebsd/contrib/xz/src/liblzma/lzma/lzma_encoder.h (revision d4eeb02986980bf33dd56c41ceb9fc5f180c0d47)
1 ///////////////////////////////////////////////////////////////////////////////
2 //
3 /// \file       lzma_encoder.h
4 /// \brief      LZMA encoder API
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_LZMA_ENCODER_H
15 #define LZMA_LZMA_ENCODER_H
16 
17 #include "common.h"
18 
19 
20 typedef struct lzma_lzma1_encoder_s lzma_lzma1_encoder;
21 
22 
23 extern lzma_ret lzma_lzma_encoder_init(lzma_next_coder *next,
24 		const lzma_allocator *allocator,
25 		const lzma_filter_info *filters);
26 
27 
28 extern uint64_t lzma_lzma_encoder_memusage(const void *options);
29 
30 extern lzma_ret lzma_lzma_props_encode(const void *options, uint8_t *out);
31 
32 
33 /// Encodes lc/lp/pb into one byte. Returns false on success and true on error.
34 extern bool lzma_lzma_lclppb_encode(
35 		const lzma_options_lzma *options, uint8_t *byte);
36 
37 
38 #ifdef LZMA_LZ_ENCODER_H
39 
40 /// Initializes raw LZMA encoder; this is used by LZMA2.
41 extern lzma_ret lzma_lzma_encoder_create(
42 		void **coder_ptr, const lzma_allocator *allocator,
43 		const lzma_options_lzma *options, lzma_lz_options *lz_options);
44 
45 
46 /// Resets an already initialized LZMA encoder; this is used by LZMA2.
47 extern lzma_ret lzma_lzma_encoder_reset(
48 		lzma_lzma1_encoder *coder, const lzma_options_lzma *options);
49 
50 
51 extern lzma_ret lzma_lzma_encode(lzma_lzma1_encoder *restrict coder,
52 		lzma_mf *restrict mf, uint8_t *restrict out,
53 		size_t *restrict out_pos, size_t out_size,
54 		uint32_t read_limit);
55 
56 #endif
57 
58 #endif
59