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64 lines
1.3 KiB
C
64 lines
1.3 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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#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 LZMA_MIN_DICT_BITS 12
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typedef struct FL2_lzmaEncoderCtx_s FL2_lzmaEncoderCtx;
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typedef enum {
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FL2_fast,
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FL2_opt,
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FL2_ultra
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} FL2_strategy;
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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 random_filter;
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} FL2_lzma2Parameters;
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FL2_lzmaEncoderCtx* FL2_lzma2Create();
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void FL2_lzma2Free(FL2_lzmaEncoderCtx* enc);
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int FL2_lzma2HashAlloc(FL2_lzmaEncoderCtx* enc, const FL2_lzma2Parameters* options);
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size_t FL2_lzma2Encode(FL2_lzmaEncoderCtx* enc,
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FL2_matchTable* tbl,
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const FL2_dataBlock block,
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const FL2_lzma2Parameters* options,
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FL2_progressFn progress, void* opaque, size_t base, U32 weight);
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BYTE FL2_getDictSizeProp(size_t dictionary_size);
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size_t FL2_lzma2MemoryUsage(unsigned chain_log, FL2_strategy strategy, unsigned 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 */ |