mirror of
https://github.com/Xevion/easy7zip.git
synced 2025-12-14 22:11:38 -06:00
Update to Fast LZMA2 1.0.0
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@@ -20,8 +20,9 @@
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#include "radix_internal.h"
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#include "lzma2_enc.h"
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#include "fast-lzma2.h"
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#include "fl2threading.h"
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#include "fl2pool.h"
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#include "fl2_threading.h"
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#include "fl2_pool.h"
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#include "dict_buffer.h"
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#ifndef NO_XXHASH
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# include "xxhash.h"
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#endif
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@@ -30,19 +31,6 @@
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extern "C" {
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#endif
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typedef struct {
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unsigned dictionaryLog; /* largest match distance : larger == more compression, more memory needed during decompression; >= 27 == more memory, slower */
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unsigned overlapFraction; /* overlap between consecutive blocks in 1/16 units: larger == more compression, slower */
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unsigned chainLog; /* fully searched segment : larger == more compression, slower, more memory; hybrid mode only (ultra) */
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unsigned searchLog; /* nb of searches : larger == more compression, slower; hybrid mode only (ultra) */
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unsigned searchDepth; /* maximum depth for resolving string matches : larger == more compression, slower; >= 64 == more memory, slower */
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unsigned fastLength; /* acceptable match size for parser, not less than searchDepth : larger == more compression, slower; fast bytes parameter from 7-zip */
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unsigned divideAndConquer; /* split long chains of 2-byte matches into shorter chains with a small overlap : faster, somewhat less compression; enabled by default */
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unsigned bufferLog; /* buffer size for processing match chains is (dictionaryLog - bufferLog) : when divideAndConquer enabled, affects compression; */
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/* when divideAndConquer disabled, affects speed in a hardware-dependent manner */
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FL2_strategy strategy; /* encoder strategy : fast, optimized or ultra (hybrid) */
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} FL2_compressionParameters;
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/*-*************************************
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* Context memory management
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***************************************/
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@@ -60,38 +48,43 @@ typedef struct {
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typedef struct {
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FL2_CCtx* cctx;
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FL2_lzmaEncoderCtx* enc;
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LZMA2_ECtx* enc;
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FL2_dataBlock block;
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size_t cSize;
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} FL2_job;
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struct FL2_CCtx_s {
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DICT_buffer buf;
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FL2_CCtx_params params;
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#ifndef FL2_SINGLETHREAD
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FL2POOL_ctx* factory;
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FL2POOL_ctx* compressThread;
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#endif
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FL2_dataBlock curBlock;
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size_t asyncRes;
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size_t threadCount;
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size_t outThread;
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size_t outPos;
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size_t dictMax;
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U64 block_total;
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U64 streamTotal;
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U64 streamCsize;
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FL2_matchTable* matchTable;
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#ifndef FL2_SINGLETHREAD
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U32 timeout;
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#endif
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U32 rmfWeight;
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U32 encWeight;
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FL2_atomic progressIn;
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FL2_atomic progressOut;
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int canceled;
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BYTE wroteProp;
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BYTE endMarked;
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BYTE loopCount;
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BYTE lockParams;
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unsigned jobCount;
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FL2_job jobs[1];
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};
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struct FL2_CStream_s {
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FL2_CCtx* cctx;
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FL2_blockBuffer inBuff;
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#ifndef NO_XXHASH
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XXH32_state_t *xxh;
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#endif
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size_t thread_count;
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size_t out_thread;
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size_t out_pos;
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size_t hash_pos;
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BYTE end_marked;
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BYTE wrote_prop;
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};
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#if defined (__cplusplus)
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}
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#endif
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