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65 lines
1.4 KiB
C
65 lines
1.4 KiB
C
/* lzma2_enc.h -- LZMA2 Encoder
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Based on LzmaEnc.h and Lzma2Enc.h : Igor Pavlov
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Modified for FL2 by Conor McCarthy
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Public domain
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*/
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#ifndef RADYX_LZMA2_ENCODER_H
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#define RADYX_LZMA2_ENCODER_H
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#include "mem.h"
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#include "data_block.h"
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#include "radix_mf.h"
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#include "atomic.h"
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#if defined (__cplusplus)
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extern "C" {
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#endif
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#define kFastDistBits 12U
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#define LZMA2_END_MARKER '\0'
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#define ENC_MIN_BYTES_PER_THREAD 0x1C000 /* Enough for 8 threads, 1 Mb dict, 2/16 overlap */
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typedef struct LZMA2_ECtx_s LZMA2_ECtx;
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typedef struct
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{
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unsigned lc;
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unsigned lp;
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unsigned pb;
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unsigned fast_length;
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unsigned match_cycles;
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FL2_strategy strategy;
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unsigned second_dict_bits;
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unsigned reset_interval;
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} FL2_lzma2Parameters;
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LZMA2_ECtx* LZMA2_createECtx(void);
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void LZMA2_freeECtx(LZMA2_ECtx *const enc);
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int LZMA2_hashAlloc(LZMA2_ECtx *const enc, const FL2_lzma2Parameters* const options);
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size_t LZMA2_encode(LZMA2_ECtx *const enc,
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FL2_matchTable* const tbl,
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FL2_dataBlock const block,
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const FL2_lzma2Parameters* const options,
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int stream_prop,
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FL2_atomic *const progress_in,
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FL2_atomic *const progress_out,
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int *const canceled);
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BYTE LZMA2_getDictSizeProp(size_t const dictionary_size);
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size_t LZMA2_compressBound(size_t src_size);
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size_t LZMA2_encMemoryUsage(unsigned const chain_log, FL2_strategy const strategy, unsigned const thread_count);
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#if defined (__cplusplus)
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}
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#endif
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#endif /* RADYX_LZMA2_ENCODER_H */ |