1 files changed, 3165 insertions, 0 deletions

diff --git a/C/LzmaEnc.c b/C/LzmaEnc.c
new file mode 100644
index 0000000..b04a7b7
--- /dev/null
+++ b/C/LzmaEnc.c
@@ -0,0 +1,3165 @@
+/* LzmaEnc.c -- LZMA Encoder
+2021-11-18: Igor Pavlov : Public domain */
+
+#include "Precomp.h"
+
+#include <string.h>
+
+/* #define SHOW_STAT */
+/* #define SHOW_STAT2 */
+
+#if defined(SHOW_STAT) || defined(SHOW_STAT2)
+#include <stdio.h>
+#endif
+
+#include "CpuArch.h"
+#include "LzmaEnc.h"
+
+#include "LzFind.h"
+#ifndef _7ZIP_ST
+#include "LzFindMt.h"
+#endif
+
+/* the following LzmaEnc_* declarations is internal LZMA interface for LZMA2 encoder */
+
+SRes LzmaEnc_PrepareForLzma2(CLzmaEncHandle pp, ISeqInStream *inStream, UInt32 keepWindowSize,
+    ISzAllocPtr alloc, ISzAllocPtr allocBig);
+SRes LzmaEnc_MemPrepare(CLzmaEncHandle pp, const Byte *src, SizeT srcLen,
+    UInt32 keepWindowSize, ISzAllocPtr alloc, ISzAllocPtr allocBig);
+SRes LzmaEnc_CodeOneMemBlock(CLzmaEncHandle pp, BoolInt reInit,
+    Byte *dest, size_t *destLen, UInt32 desiredPackSize, UInt32 *unpackSize);
+const Byte *LzmaEnc_GetCurBuf(CLzmaEncHandle pp);
+void LzmaEnc_Finish(CLzmaEncHandle pp);
+void LzmaEnc_SaveState(CLzmaEncHandle pp);
+void LzmaEnc_RestoreState(CLzmaEncHandle pp);
+
+#ifdef SHOW_STAT
+static unsigned g_STAT_OFFSET = 0;
+#endif
+
+/* for good normalization speed we still reserve 256 MB before 4 GB range */
+#define kLzmaMaxHistorySize ((UInt32)15 << 28)
+
+#define kNumTopBits 24
+#define kTopValue ((UInt32)1 << kNumTopBits)
+
+#define kNumBitModelTotalBits 11
+#define kBitModelTotal (1 << kNumBitModelTotalBits)
+#define kNumMoveBits 5
+#define kProbInitValue (kBitModelTotal >> 1)
+
+#define kNumMoveReducingBits 4
+#define kNumBitPriceShiftBits 4
+// #define kBitPrice (1 << kNumBitPriceShiftBits)
+
+#define REP_LEN_COUNT 64
+
+void LzmaEncProps_Init(CLzmaEncProps *p)
+{
+  p->level = 5;
+  p->dictSize = p->mc = 0;
+  p->reduceSize = (UInt64)(Int64)-1;
+  p->lc = p->lp = p->pb = p->algo = p->fb = p->btMode = p->numHashBytes = p->numThreads = -1;
+  p->writeEndMark = 0;
+  p->affinity = 0;
+}
+
+void LzmaEncProps_Normalize(CLzmaEncProps *p)
+{
+  int level = p->level;
+  if (level < 0) level = 5;
+  p->level = level;
+  
+  if (p->dictSize == 0)
+    p->dictSize =
+      ( level <= 3 ? ((UInt32)1 << (level * 2 + 16)) :
+      ( level <= 6 ? ((UInt32)1 << (level + 19)) :
+      ( level <= 7 ? ((UInt32)1 << 25) : ((UInt32)1 << 26)
+      )));
+
+  if (p->dictSize > p->reduceSize)
+  {
+    UInt32 v = (UInt32)p->reduceSize;
+    const UInt32 kReduceMin = ((UInt32)1 << 12);
+    if (v < kReduceMin)
+      v = kReduceMin;
+    if (p->dictSize > v)
+      p->dictSize = v;
+  }
+
+  if (p->lc < 0) p->lc = 3;
+  if (p->lp < 0) p->lp = 0;
+  if (p->pb < 0) p->pb = 2;
+
+  if (p->algo < 0) p->algo = (level < 5 ? 0 : 1);
+  if (p->fb < 0) p->fb = (level < 7 ? 32 : 64);
+  if (p->btMode < 0) p->btMode = (p->algo == 0 ? 0 : 1);
+  if (p->numHashBytes < 0) p->numHashBytes = (p->btMode ? 4 : 5);
+  if (p->mc == 0) p->mc = (16 + ((unsigned)p->fb >> 1)) >> (p->btMode ? 0 : 1);
+  
+  if (p->numThreads < 0)
+    p->numThreads =
+      #ifndef _7ZIP_ST
+      ((p->btMode && p->algo) ? 2 : 1);
+      #else
+      1;
+      #endif
+}
+
+UInt32 LzmaEncProps_GetDictSize(const CLzmaEncProps *props2)
+{
+  CLzmaEncProps props = *props2;
+  LzmaEncProps_Normalize(&props);
+  return props.dictSize;
+}
+
+
+/*
+x86/x64:
+
+BSR:
+  IF (SRC == 0) ZF = 1, DEST is undefined;
+                  AMD : DEST is unchanged;
+  IF (SRC != 0) ZF = 0; DEST is index of top non-zero bit
+  BSR is slow in some processors
+
+LZCNT:
+  IF (SRC  == 0) CF = 1, DEST is size_in_bits_of_register(src) (32 or 64)
+  IF (SRC  != 0) CF = 0, DEST = num_lead_zero_bits
+  IF (DEST == 0) ZF = 1;
+
+LZCNT works only in new processors starting from Haswell.
+if LZCNT is not supported by processor, then it's executed as BSR.
+LZCNT can be faster than BSR, if supported.
+*/
+
+// #define LZMA_LOG_BSR
+
+#if defined(MY_CPU_ARM_OR_ARM64) /* || defined(MY_CPU_X86_OR_AMD64) */
+
+  #if (defined(__clang__) && (__clang_major__ >= 6)) \
+      || (defined(__GNUC__) && (__GNUC__ >= 6))
+      #define LZMA_LOG_BSR
+  #elif defined(_MSC_VER) && (_MSC_VER >= 1300)
+    // #if defined(MY_CPU_ARM_OR_ARM64)
+      #define LZMA_LOG_BSR
+    // #endif
+  #endif
+#endif
+
+// #include <intrin.h>
+
+#ifdef LZMA_LOG_BSR
+
+#if defined(__clang__) \
+    || defined(__GNUC__)
+
+/*
+  C code:                  : (30 - __builtin_clz(x))
+    gcc9/gcc10 for x64 /x86  : 30 - (bsr(x) xor 31)
+    clang10 for x64          : 31 + (bsr(x) xor -32)
+*/
+
+  #define MY_clz(x)  ((unsigned)__builtin_clz(x))
+  // __lzcnt32
+  // __builtin_ia32_lzcnt_u32
+
+#else  // #if defined(_MSC_VER)
+
+  #ifdef MY_CPU_ARM_OR_ARM64
+
+    #define MY_clz  _CountLeadingZeros
+
+  #else // if defined(MY_CPU_X86_OR_AMD64)
+
+    // #define MY_clz  __lzcnt  // we can use lzcnt (unsupported by old CPU)
+    // _BitScanReverse code is not optimal for some MSVC compilers
+    #define BSR2_RET(pos, res) { unsigned long zz; _BitScanReverse(&zz, (pos)); zz--; \
+      res = (zz + zz) + (pos >> zz); }
+
+  #endif // MY_CPU_X86_OR_AMD64
+
+#endif // _MSC_VER
+
+
+#ifndef BSR2_RET
+
+    #define BSR2_RET(pos, res) { unsigned zz = 30 - MY_clz(pos); \
+      res = (zz + zz) + (pos >> zz); }
+
+#endif
+
+
+unsigned GetPosSlot1(UInt32 pos);
+unsigned GetPosSlot1(UInt32 pos)
+{
+  unsigned res;
+  BSR2_RET(pos, res);
+  return res;
+}
+#define GetPosSlot2(pos, res) { BSR2_RET(pos, res); }
+#define GetPosSlot(pos, res) { if (pos < 2) res = pos; else BSR2_RET(pos, res); }
+
+
+#else // ! LZMA_LOG_BSR
+
+#define kNumLogBits (11 + sizeof(size_t) / 8 * 3)
+
+#define kDicLogSizeMaxCompress ((kNumLogBits - 1) * 2 + 7)
+
+static void LzmaEnc_FastPosInit(Byte *g_FastPos)
+{
+  unsigned slot;
+  g_FastPos[0] = 0;
+  g_FastPos[1] = 1;
+  g_FastPos += 2;
+  
+  for (slot = 2; slot < kNumLogBits * 2; slot++)
+  {
+    size_t k = ((size_t)1 << ((slot >> 1) - 1));
+    size_t j;
+    for (j = 0; j < k; j++)
+      g_FastPos[j] = (Byte)slot;
+    g_FastPos += k;
+  }
+}
+
+/* we can use ((limit - pos) >> 31) only if (pos < ((UInt32)1 << 31)) */
+/*
+#define BSR2_RET(pos, res) { unsigned zz = 6 + ((kNumLogBits - 1) & \
+  (0 - (((((UInt32)1 << (kNumLogBits + 6)) - 1) - pos) >> 31))); \
+  res = p->g_FastPos[pos >> zz] + (zz * 2); }
+*/
+
+/*
+#define BSR2_RET(pos, res) { unsigned zz = 6 + ((kNumLogBits - 1) & \
+  (0 - (((((UInt32)1 << (kNumLogBits)) - 1) - (pos >> 6)) >> 31))); \
+  res = p->g_FastPos[pos >> zz] + (zz * 2); }
+*/
+
+#define BSR2_RET(pos, res) { unsigned zz = (pos < (1 << (kNumLogBits + 6))) ? 6 : 6 + kNumLogBits - 1; \
+  res = p->g_FastPos[pos >> zz] + (zz * 2); }
+
+/*
+#define BSR2_RET(pos, res) { res = (pos < (1 << (kNumLogBits + 6))) ? \
+  p->g_FastPos[pos >> 6] + 12 : \
+  p->g_FastPos[pos >> (6 + kNumLogBits - 1)] + (6 + (kNumLogBits - 1)) * 2; }
+*/
+
+#define GetPosSlot1(pos) p->g_FastPos[pos]
+#define GetPosSlot2(pos, res) { BSR2_RET(pos, res); }
+#define GetPosSlot(pos, res) { if (pos < kNumFullDistances) res = p->g_FastPos[pos & (kNumFullDistances - 1)]; else BSR2_RET(pos, res); }
+
+#endif // LZMA_LOG_BSR
+
+
+#define LZMA_NUM_REPS 4
+
+typedef UInt16 CState;
+typedef UInt16 CExtra;
+
+typedef struct
+{
+  UInt32 price;
+  CState state;
+  CExtra extra;
+      // 0   : normal
+      // 1   : LIT : MATCH
+      // > 1 : MATCH (extra-1) : LIT : REP0 (len)
+  UInt32 len;
+  UInt32 dist;
+  UInt32 reps[LZMA_NUM_REPS];
+} COptimal;
+
+
+// 18.06
+#define kNumOpts (1 << 11)
+#define kPackReserve (kNumOpts * 8)
+// #define kNumOpts (1 << 12)
+// #define kPackReserve (1 + kNumOpts * 2)
+
+#define kNumLenToPosStates 4
+#define kNumPosSlotBits 6
+// #define kDicLogSizeMin 0
+#define kDicLogSizeMax 32
+#define kDistTableSizeMax (kDicLogSizeMax * 2)
+
+#define kNumAlignBits 4
+#define kAlignTableSize (1 << kNumAlignBits)
+#define kAlignMask (kAlignTableSize - 1)
+
+#define kStartPosModelIndex 4
+#define kEndPosModelIndex 14
+#define kNumFullDistances (1 << (kEndPosModelIndex >> 1))
+
+typedef
+#ifdef _LZMA_PROB32
+  UInt32
+#else
+  UInt16
+#endif
+  CLzmaProb;
+
+#define LZMA_PB_MAX 4
+#define LZMA_LC_MAX 8
+#define LZMA_LP_MAX 4
+
+#define LZMA_NUM_PB_STATES_MAX (1 << LZMA_PB_MAX)
+
+#define kLenNumLowBits 3
+#define kLenNumLowSymbols (1 << kLenNumLowBits)
+#define kLenNumHighBits 8
+#define kLenNumHighSymbols (1 << kLenNumHighBits)
+#define kLenNumSymbolsTotal (kLenNumLowSymbols * 2 + kLenNumHighSymbols)
+
+#define LZMA_MATCH_LEN_MIN 2
+#define LZMA_MATCH_LEN_MAX (LZMA_MATCH_LEN_MIN + kLenNumSymbolsTotal - 1)
+
+#define kNumStates 12
+
+
+typedef struct
+{
+  CLzmaProb low[LZMA_NUM_PB_STATES_MAX << (kLenNumLowBits + 1)];
+  CLzmaProb high[kLenNumHighSymbols];
+} CLenEnc;
+
+
+typedef struct
+{
+  unsigned tableSize;
+  UInt32 prices[LZMA_NUM_PB_STATES_MAX][kLenNumSymbolsTotal];
+  // UInt32 prices1[LZMA_NUM_PB_STATES_MAX][kLenNumLowSymbols * 2];
+  // UInt32 prices2[kLenNumSymbolsTotal];
+} CLenPriceEnc;
+
+#define GET_PRICE_LEN(p, posState, len) \
+    ((p)->prices[posState][(size_t)(len) - LZMA_MATCH_LEN_MIN])
+
+/*
+#define GET_PRICE_LEN(p, posState, len) \
+    ((p)->prices2[(size_t)(len) - 2] + ((p)->prices1[posState][((len) - 2) & (kLenNumLowSymbols * 2 - 1)] & (((len) - 2 - kLenNumLowSymbols * 2) >> 9)))
+*/
+
+typedef struct
+{
+  UInt32 range;
+  unsigned cache;
+  UInt64 low;
+  UInt64 cacheSize;
+  Byte *buf;
+  Byte *bufLim;
+  Byte *bufBase;
+  ISeqOutStream *outStream;
+  UInt64 processed;
+  SRes res;
+} CRangeEnc;
+
+
+typedef struct
+{
+  CLzmaProb *litProbs;
+
+  unsigned state;
+  UInt32 reps[LZMA_NUM_REPS];
+
+  CLzmaProb posAlignEncoder[1 << kNumAlignBits];
+  CLzmaProb isRep[kNumStates];
+  CLzmaProb isRepG0[kNumStates];
+  CLzmaProb isRepG1[kNumStates];
+  CLzmaProb isRepG2[kNumStates];
+  CLzmaProb isMatch[kNumStates][LZMA_NUM_PB_STATES_MAX];
+  CLzmaProb isRep0Long[kNumStates][LZMA_NUM_PB_STATES_MAX];
+
+  CLzmaProb posSlotEncoder[kNumLenToPosStates][1 << kNumPosSlotBits];
+  CLzmaProb posEncoders[kNumFullDistances];
+  
+  CLenEnc lenProbs;
+  CLenEnc repLenProbs;
+
+} CSaveState;
+
+
+typedef UInt32 CProbPrice;
+
+
+typedef struct
+{
+  void *matchFinderObj;
+  IMatchFinder2 matchFinder;
+
+  unsigned optCur;
+  unsigned optEnd;
+
+  unsigned longestMatchLen;
+  unsigned numPairs;
+  UInt32 numAvail;
+
+  unsigned state;
+  unsigned numFastBytes;
+  unsigned additionalOffset;
+  UInt32 reps[LZMA_NUM_REPS];
+  unsigned lpMask, pbMask;
+  CLzmaProb *litProbs;
+  CRangeEnc rc;
+
+  UInt32 backRes;
+
+  unsigned lc, lp, pb;
+  unsigned lclp;
+
+  BoolInt fastMode;
+  BoolInt writeEndMark;
+  BoolInt finished;
+  BoolInt multiThread;
+  BoolInt needInit;
+  // BoolInt _maxMode;
+
+  UInt64 nowPos64;
+  
+  unsigned matchPriceCount;
+  // unsigned alignPriceCount;
+  int repLenEncCounter;
+
+  unsigned distTableSize;
+
+  UInt32 dictSize;
+  SRes result;
+
+  #ifndef _7ZIP_ST
+  BoolInt mtMode;
+  // begin of CMatchFinderMt is used in LZ thread
+  CMatchFinderMt matchFinderMt;
+  // end of CMatchFinderMt is used in BT and HASH threads
+  // #else
+  // CMatchFinder matchFinderBase;
+  #endif
+  CMatchFinder matchFinderBase;
+
+  
+  // we suppose that we have 8-bytes alignment after CMatchFinder
+ 
+  #ifndef _7ZIP_ST
+  Byte pad[128];
+  #endif
+  
+  // LZ thread
+  CProbPrice ProbPrices[kBitModelTotal >> kNumMoveReducingBits];
+
+  // we want {len , dist} pairs to be 8-bytes aligned in matches array
+  UInt32 matches[LZMA_MATCH_LEN_MAX * 2 + 2];
+
+  // we want 8-bytes alignment here
+  UInt32 alignPrices[kAlignTableSize];
+  UInt32 posSlotPrices[kNumLenToPosStates][kDistTableSizeMax];
+  UInt32 distancesPrices[kNumLenToPosStates][kNumFullDistances];
+
+  CLzmaProb posAlignEncoder[1 << kNumAlignBits];
+  CLzmaProb isRep[kNumStates];
+  CLzmaProb isRepG0[kNumStates];
+  CLzmaProb isRepG1[kNumStates];
+  CLzmaProb isRepG2[kNumStates];
+  CLzmaProb isMatch[kNumStates][LZMA_NUM_PB_STATES_MAX];
+  CLzmaProb isRep0Long[kNumStates][LZMA_NUM_PB_STATES_MAX];
+  CLzmaProb posSlotEncoder[kNumLenToPosStates][1 << kNumPosSlotBits];
+  CLzmaProb posEncoders[kNumFullDistances];
+  
+  CLenEnc lenProbs;
+  CLenEnc repLenProbs;
+
+  #ifndef LZMA_LOG_BSR
+  Byte g_FastPos[1 << kNumLogBits];
+  #endif
+
+  CLenPriceEnc lenEnc;
+  CLenPriceEnc repLenEnc;
+
+  COptimal opt[kNumOpts];
+
+  CSaveState saveState;
+
+  // BoolInt mf_Failure;
+  #ifndef _7ZIP_ST
+  Byte pad2[128];
+  #endif
+} CLzmaEnc;
+
+
+#define MFB (p->matchFinderBase)
+/*
+#ifndef _7ZIP_ST
+#define MFB (p->matchFinderMt.MatchFinder)
+#endif
+*/
+
+#define COPY_ARR(dest, src, arr) memcpy(dest->arr, src->arr, sizeof(src->arr));
+
+void LzmaEnc_SaveState(CLzmaEncHandle pp)
+{
+  CLzmaEnc *p = (CLzmaEnc *)pp;
+  CSaveState *dest = &p->saveState;
+  
+  dest->state = p->state;
+  
+  dest->lenProbs = p->lenProbs;
+  dest->repLenProbs = p->repLenProbs;
+
+  COPY_ARR(dest, p, reps);
+
+  COPY_ARR(dest, p, posAlignEncoder);
+  COPY_ARR(dest, p, isRep);
+  COPY_ARR(dest, p, isRepG0);
+  COPY_ARR(dest, p, isRepG1);
+  COPY_ARR(dest, p, isRepG2);
+  COPY_ARR(dest, p, isMatch);
+  COPY_ARR(dest, p, isRep0Long);
+  COPY_ARR(dest, p, posSlotEncoder);
+  COPY_ARR(dest, p, posEncoders);
+
+  memcpy(dest->litProbs, p->litProbs, ((UInt32)0x300 << p->lclp) * sizeof(CLzmaProb));
+}
+
+
+void LzmaEnc_RestoreState(CLzmaEncHandle pp)
+{
+  CLzmaEnc *dest = (CLzmaEnc *)pp;
+  const CSaveState *p = &dest->saveState;
+
+  dest->state = p->state;
+
+  dest->lenProbs = p->lenProbs;
+  dest->repLenProbs = p->repLenProbs;
+  
+  COPY_ARR(dest, p, reps);
+  
+  COPY_ARR(dest, p, posAlignEncoder);
+  COPY_ARR(dest, p, isRep);
+  COPY_ARR(dest, p, isRepG0);
+  COPY_ARR(dest, p, isRepG1);
+  COPY_ARR(dest, p, isRepG2);
+  COPY_ARR(dest, p, isMatch);
+  COPY_ARR(dest, p, isRep0Long);
+  COPY_ARR(dest, p, posSlotEncoder);
+  COPY_ARR(dest, p, posEncoders);
+
+  memcpy(dest->litProbs, p->litProbs, ((UInt32)0x300 << dest->lclp) * sizeof(CLzmaProb));
+}
+
+
+
+SRes LzmaEnc_SetProps(CLzmaEncHandle pp, const CLzmaEncProps *props2)
+{
+  CLzmaEnc *p = (CLzmaEnc *)pp;
+  CLzmaEncProps props = *props2;
+  LzmaEncProps_Normalize(&props);
+
+  if (props.lc > LZMA_LC_MAX
+      || props.lp > LZMA_LP_MAX
+      || props.pb > LZMA_PB_MAX)
+    return SZ_ERROR_PARAM;
+
+
+  if (props.dictSize > kLzmaMaxHistorySize)
+    props.dictSize = kLzmaMaxHistorySize;
+
+  #ifndef LZMA_LOG_BSR
+  {
+    const UInt64 dict64 = props.dictSize;
+    if (dict64 > ((UInt64)1 << kDicLogSizeMaxCompress))
+      return SZ_ERROR_PARAM;
+  }
+  #endif
+
+  p->dictSize = props.dictSize;
+  {
+    unsigned fb = (unsigned)props.fb;
+    if (fb < 5)
+      fb = 5;
+    if (fb > LZMA_MATCH_LEN_MAX)
+      fb = LZMA_MATCH_LEN_MAX;
+    p->numFastBytes = fb;
+  }
+  p->lc = (unsigned)props.lc;
+  p->lp = (unsigned)props.lp;
+  p->pb = (unsigned)props.pb;
+  p->fastMode = (props.algo == 0);
+  // p->_maxMode = True;
+  MFB.btMode = (Byte)(props.btMode ? 1 : 0);
+  {
+    unsigned numHashBytes = 4;
+    if (props.btMode)
+    {
+           if (props.numHashBytes <  2) numHashBytes = 2;
+      else if (props.numHashBytes <  4) numHashBytes = (unsigned)props.numHashBytes;
+    }
+    if (props.numHashBytes >= 5) numHashBytes = 5;
+
+    MFB.numHashBytes = numHashBytes;
+  }
+
+  MFB.cutValue = props.mc;
+
+  p->writeEndMark = (BoolInt)props.writeEndMark;
+
+  #ifndef _7ZIP_ST
+  /*
+  if (newMultiThread != _multiThread)
+  {
+    ReleaseMatchFinder();
+    _multiThread = newMultiThread;
+  }
+  */
+  p->multiThread = (props.numThreads > 1);
+  p->matchFinderMt.btSync.affinity =
+  p->matchFinderMt.hashSync.affinity = props.affinity;
+  #endif
+
+  return SZ_OK;
+}
+
+
+void LzmaEnc_SetDataSize(CLzmaEncHandle pp, UInt64 expectedDataSiize)
+{
+  CLzmaEnc *p = (CLzmaEnc *)pp;
+  MFB.expectedDataSize = expectedDataSiize;
+}
+
+
+#define kState_Start 0
+#define kState_LitAfterMatch 4
+#define kState_LitAfterRep   5
+#define kState_MatchAfterLit 7
+#define kState_RepAfterLit   8
+
+static const Byte kLiteralNextStates[kNumStates] = {0, 0, 0, 0, 1, 2, 3, 4,  5,  6,   4, 5};
+static const Byte kMatchNextStates[kNumStates]   = {7, 7, 7, 7, 7, 7, 7, 10, 10, 10, 10, 10};
+static const Byte kRepNextStates[kNumStates]     = {8, 8, 8, 8, 8, 8, 8, 11, 11, 11, 11, 11};
+static const Byte kShortRepNextStates[kNumStates]= {9, 9, 9, 9, 9, 9, 9, 11, 11, 11, 11, 11};
+
+#define IsLitState(s) ((s) < 7)
+#define GetLenToPosState2(len) (((len) < kNumLenToPosStates - 1) ? (len) : kNumLenToPosStates - 1)
+#define GetLenToPosState(len) (((len) < kNumLenToPosStates + 1) ? (len) - 2 : kNumLenToPosStates - 1)
+
+#define kInfinityPrice (1 << 30)
+
+static void RangeEnc_Construct(CRangeEnc *p)
+{
+  p->outStream = NULL;
+  p->bufBase = NULL;
+}
+
+#define RangeEnc_GetProcessed(p)       (        (p)->processed + (size_t)((p)->buf - (p)->bufBase) +         (p)->cacheSize)
+#define RangeEnc_GetProcessed_sizet(p) ((size_t)(p)->processed + (size_t)((p)->buf - (p)->bufBase) + (size_t)(p)->cacheSize)
+
+#define RC_BUF_SIZE (1 << 16)
+
+static int RangeEnc_Alloc(CRangeEnc *p, ISzAllocPtr alloc)
+{
+  if (!p->bufBase)
+  {
+    p->bufBase = (Byte *)ISzAlloc_Alloc(alloc, RC_BUF_SIZE);
+    if (!p->bufBase)
+      return 0;
+    p->bufLim = p->bufBase + RC_BUF_SIZE;
+  }
+  return 1;
+}
+
+static void RangeEnc_Free(CRangeEnc *p, ISzAllocPtr alloc)
+{
+  ISzAlloc_Free(alloc, p->bufBase);
+  p->bufBase = NULL;
+}
+
+static void RangeEnc_Init(CRangeEnc *p)
+{
+  p->range = 0xFFFFFFFF;
+  p->cache = 0;
+  p->low = 0;
+  p->cacheSize = 0;
+
+  p->buf = p->bufBase;
+
+  p->processed = 0;
+  p->res = SZ_OK;
+}
+
+MY_NO_INLINE static void RangeEnc_FlushStream(CRangeEnc *p)
+{
+  const size_t num = (size_t)(p->buf - p->bufBase);
+  if (p->res == SZ_OK)
+  {
+    if (num != ISeqOutStream_Write(p->outStream, p->bufBase, num))
+      p->res = SZ_ERROR_WRITE;
+  }
+  p->processed += num;
+  p->buf = p->bufBase;
+}
+
+MY_NO_INLINE static void MY_FAST_CALL RangeEnc_ShiftLow(CRangeEnc *p)
+{
+  UInt32 low = (UInt32)p->low;
+  unsigned high = (unsigned)(p->low >> 32);
+  p->low = (UInt32)(low << 8);
+  if (low < (UInt32)0xFF000000 || high != 0)
+  {
+    {
+      Byte *buf = p->buf;
+      *buf++ = (Byte)(p->cache + high);
+      p->cache = (unsigned)(low >> 24);
+      p->buf = buf;
+      if (buf == p->bufLim)
+        RangeEnc_FlushStream(p);
+      if (p->cacheSize == 0)
+        return;
+    }
+    high += 0xFF;
+    for (;;)
+    {
+      Byte *buf = p->buf;
+      *buf++ = (Byte)(high);
+      p->buf = buf;
+      if (buf == p->bufLim)
+        RangeEnc_FlushStream(p);
+      if (--p->cacheSize == 0)
+        return;
+    }
+  }
+  p->cacheSize++;
+}
+
+static void RangeEnc_FlushData(CRangeEnc *p)
+{
+  int i;
+  for (i = 0; i < 5; i++)
+    RangeEnc_ShiftLow(p);
+}
+
+#define RC_NORM(p) if (range < kTopValue) { range <<= 8; RangeEnc_ShiftLow(p); }
+
+#define RC_BIT_PRE(p, prob) \
+  ttt = *(prob); \
+  newBound = (range >> kNumBitModelTotalBits) * ttt;
+
+// #define _LZMA_ENC_USE_BRANCH
+
+#ifdef _LZMA_ENC_USE_BRANCH
+
+#define RC_BIT(p, prob, bit) { \
+  RC_BIT_PRE(p, prob) \
+  if (bit == 0) { range = newBound; ttt += (kBitModelTotal - ttt) >> kNumMoveBits; } \
+  else { (p)->low += newBound; range -= newBound; ttt -= ttt >> kNumMoveBits; } \
+  *(prob) = (CLzmaProb)ttt; \
+  RC_NORM(p) \
+  }
+
+#else
+
+#define RC_BIT(p, prob, bit) { \
+  UInt32 mask; \
+  RC_BIT_PRE(p, prob) \
+  mask = 0 - (UInt32)bit; \
+  range &= mask; \
+  mask &= newBound; \
+  range -= mask; \
+  (p)->low += mask; \
+  mask = (UInt32)bit - 1; \
+  range += newBound & mask; \
+  mask &= (kBitModelTotal - ((1 << kNumMoveBits) - 1)); \
+  mask += ((1 << kNumMoveBits) - 1); \
+  ttt += (UInt32)((Int32)(mask - ttt) >> kNumMoveBits); \
+  *(prob) = (CLzmaProb)ttt; \
+  RC_NORM(p) \
+  }
+
+#endif
+
+
+
+
+#define RC_BIT_0_BASE(p, prob) \
+  range = newBound; *(prob) = (CLzmaProb)(ttt + ((kBitModelTotal - ttt) >> kNumMoveBits));
+
+#define RC_BIT_1_BASE(p, prob) \
+  range -= newBound; (p)->low += newBound; *(prob) = (CLzmaProb)(ttt - (ttt >> kNumMoveBits)); \
+
+#define RC_BIT_0(p, prob) \
+  RC_BIT_0_BASE(p, prob) \
+  RC_NORM(p)
+
+#define RC_BIT_1(p, prob) \
+  RC_BIT_1_BASE(p, prob) \
+  RC_NORM(p)
+
+static void RangeEnc_EncodeBit_0(CRangeEnc *p, CLzmaProb *prob)
+{
+  UInt32 range, ttt, newBound;
+  range = p->range;
+  RC_BIT_PRE(p, prob)
+  RC_BIT_0(p, prob)
+  p->range = range;
+}
+
+static void LitEnc_Encode(CRangeEnc *p, CLzmaProb *probs, UInt32 sym)
+{
+  UInt32 range = p->range;
+  sym |= 0x100;
+  do
+  {
+    UInt32 ttt, newBound;
+    // RangeEnc_EncodeBit(p, probs + (sym >> 8), (sym >> 7) & 1);
+    CLzmaProb *prob = probs + (sym >> 8);
+    UInt32 bit = (sym >> 7) & 1;
+    sym <<= 1;
+    RC_BIT(p, prob, bit);
+  }
+  while (sym < 0x10000);
+  p->range = range;
+}
+
+static void LitEnc_EncodeMatched(CRangeEnc *p, CLzmaProb *probs, UInt32 sym, UInt32 matchByte)
+{
+  UInt32 range = p->range;
+  UInt32 offs = 0x100;
+  sym |= 0x100;
+  do
+  {
+    UInt32 ttt, newBound;
+    CLzmaProb *prob;
+    UInt32 bit;
+    matchByte <<= 1;
+    // RangeEnc_EncodeBit(p, probs + (offs + (matchByte & offs) + (sym >> 8)), (sym >> 7) & 1);
+    prob = probs + (offs + (matchByte & offs) + (sym >> 8));
+    bit = (sym >> 7) & 1;
+    sym <<= 1;
+    offs &= ~(matchByte ^ sym);
+    RC_BIT(p, prob, bit);
+  }
+  while (sym < 0x10000);
+  p->range = range;
+}
+
+
+
+static void LzmaEnc_InitPriceTables(CProbPrice *ProbPrices)
+{
+  UInt32 i;
+  for (i = 0; i < (kBitModelTotal >> kNumMoveReducingBits); i++)
+  {
+    const unsigned kCyclesBits = kNumBitPriceShiftBits;
+    UInt32 w = (i << kNumMoveReducingBits) + (1 << (kNumMoveReducingBits - 1));
+    unsigned bitCount = 0;
+    unsigned j;
+    for (j = 0; j < kCyclesBits; j++)
+    {
+      w = w * w;
+      bitCount <<= 1;
+      while (w >= ((UInt32)1 << 16))
+      {
+        w >>= 1;
+        bitCount++;
+      }
+    }
+    ProbPrices[i] = (CProbPrice)(((unsigned)kNumBitModelTotalBits << kCyclesBits) - 15 - bitCount);
+    // printf("\n%3d: %5d", i, ProbPrices[i]);
+  }
+}
+
+
+#define GET_PRICE(prob, bit) \
+  p->ProbPrices[((prob) ^ (unsigned)(((-(int)(bit))) & (kBitModelTotal - 1))) >> kNumMoveReducingBits];
+
+#define GET_PRICEa(prob, bit) \
+     ProbPrices[((prob) ^ (unsigned)((-((int)(bit))) & (kBitModelTotal - 1))) >> kNumMoveReducingBits];
+
+#define GET_PRICE_0(prob) p->ProbPrices[(prob) >> kNumMoveReducingBits]
+#define GET_PRICE_1(prob) p->ProbPrices[((prob) ^ (kBitModelTotal - 1)) >> kNumMoveReducingBits]
+
+#define GET_PRICEa_0(prob) ProbPrices[(prob) >> kNumMoveReducingBits]
+#define GET_PRICEa_1(prob) ProbPrices[((prob) ^ (kBitModelTotal - 1)) >> kNumMoveReducingBits]
+
+
+static UInt32 LitEnc_GetPrice(const CLzmaProb *probs, UInt32 sym, const CProbPrice *ProbPrices)
+{
+  UInt32 price = 0;
+  sym |= 0x100;
+  do
+  {
+    unsigned bit = sym & 1;
+    sym >>= 1;
+    price += GET_PRICEa(probs[sym], bit);
+  }
+  while (sym >= 2);
+  return price;
+}
+
+
+static UInt32 LitEnc_Matched_GetPrice(const CLzmaProb *probs, UInt32 sym, UInt32 matchByte, const CProbPrice *ProbPrices)
+{
+  UInt32 price = 0;
+  UInt32 offs = 0x100;
+  sym |= 0x100;
+  do
+  {
+    matchByte <<= 1;
+    price += GET_PRICEa(probs[offs + (matchByte & offs) + (sym >> 8)], (sym >> 7) & 1);
+    sym <<= 1;
+    offs &= ~(matchByte ^ sym);
+  }
+  while (sym < 0x10000);
+  return price;
+}
+
+
+static void RcTree_ReverseEncode(CRangeEnc *rc, CLzmaProb *probs, unsigned numBits, unsigned sym)
+{
+  UInt32 range = rc->range;
+  unsigned m = 1;
+  do
+  {
+    UInt32 ttt, newBound;
+    unsigned bit = sym & 1;
+    // RangeEnc_EncodeBit(rc, probs + m, bit);
+    sym >>= 1;
+    RC_BIT(rc, probs + m, bit);
+    m = (m << 1) | bit;
+  }
+  while (--numBits);
+  rc->range = range;
+}
+
+
+
+static void LenEnc_Init(CLenEnc *p)
+{
+  unsigned i;
+  for (i = 0; i < (LZMA_NUM_PB_STATES_MAX << (kLenNumLowBits + 1)); i++)
+    p->low[i] = kProbInitValue;
+  for (i = 0; i < kLenNumHighSymbols; i++)
+    p->high[i] = kProbInitValue;
+}
+
+static void LenEnc_Encode(CLenEnc *p, CRangeEnc *rc, unsigned sym, unsigned posState)
+{
+  UInt32 range, ttt, newBound;
+  CLzmaProb *probs = p->low;
+  range = rc->range;
+  RC_BIT_PRE(rc, probs);
+  if (sym >= kLenNumLowSymbols)
+  {
+    RC_BIT_1(rc, probs);
+    probs += kLenNumLowSymbols;
+    RC_BIT_PRE(rc, probs);
+    if (sym >= kLenNumLowSymbols * 2)
+    {
+      RC_BIT_1(rc, probs);
+      rc->range = range;
+      // RcTree_Encode(rc, p->high, kLenNumHighBits, sym - kLenNumLowSymbols * 2);
+      LitEnc_Encode(rc, p->high, sym - kLenNumLowSymbols * 2);
+      return;
+    }
+    sym -= kLenNumLowSymbols;
+  }
+
+  // RcTree_Encode(rc, probs + (posState << kLenNumLowBits), kLenNumLowBits, sym);
+  {
+    unsigned m;
+    unsigned bit;
+    RC_BIT_0(rc, probs);
+    probs += (posState << (1 + kLenNumLowBits));
+    bit = (sym >> 2)    ; RC_BIT(rc, probs + 1, bit); m = (1 << 1) + bit;
+    bit = (sym >> 1) & 1; RC_BIT(rc, probs + m, bit); m = (m << 1) + bit;
+    bit =  sym       & 1; RC_BIT(rc, probs + m, bit);
+    rc->range = range;
+  }
+}
+
+static void SetPrices_3(const CLzmaProb *probs, UInt32 startPrice, UInt32 *prices, const CProbPrice *ProbPrices)
+{
+  unsigned i;
+  for (i = 0; i < 8; i += 2)
+  {
+    UInt32 price = startPrice;
+    UInt32 prob;
+    price += GET_PRICEa(probs[1           ], (i >> 2));
+    price += GET_PRICEa(probs[2 + (i >> 2)], (i >> 1) & 1);
+    prob = probs[4 + (i >> 1)];
+    prices[i    ] = price + GET_PRICEa_0(prob);
+    prices[i + 1] = price + GET_PRICEa_1(prob);
+  }
+}
+
+
+MY_NO_INLINE static void MY_FAST_CALL LenPriceEnc_UpdateTables(
+    CLenPriceEnc *p,
+    unsigned numPosStates,
+    const CLenEnc *enc,
+    const CProbPrice *ProbPrices)
+{
+  UInt32 b;
+ 
+  {
+    unsigned prob = enc->low[0];
+    UInt32 a, c;
+    unsigned posState;
+    b = GET_PRICEa_1(prob);
+    a = GET_PRICEa_0(prob);
+    c = b + GET_PRICEa_0(enc->low[kLenNumLowSymbols]);
+    for (posState = 0; posState < numPosStates; posState++)
+    {
+      UInt32 *prices = p->prices[posState];
+      const CLzmaProb *probs = enc->low + (posState << (1 + kLenNumLowBits));
+      SetPrices_3(probs, a, prices, ProbPrices);
+      SetPrices_3(probs + kLenNumLowSymbols, c, prices + kLenNumLowSymbols, ProbPrices);
+    }
+  }
+
+  /*
+  {
+    unsigned i;
+    UInt32 b;
+    a = GET_PRICEa_0(enc->low[0]);
+    for (i = 0; i < kLenNumLowSymbols; i++)
+      p->prices2[i] = a;
+    a = GET_PRICEa_1(enc->low[0]);
+    b = a + GET_PRICEa_0(enc->low[kLenNumLowSymbols]);
+    for (i = kLenNumLowSymbols; i < kLenNumLowSymbols * 2; i++)
+      p->prices2[i] = b;
+    a += GET_PRICEa_1(enc->low[kLenNumLowSymbols]);
+  }
+  */
+ 
+  // p->counter = numSymbols;
+  // p->counter = 64;
+
+  {
+    unsigned i = p->tableSize;
+    
+    if (i > kLenNumLowSymbols * 2)
+    {
+      const CLzmaProb *probs = enc->high;
+      UInt32 *prices = p->prices[0] + kLenNumLowSymbols * 2;
+      i -= kLenNumLowSymbols * 2 - 1;
+      i >>= 1;
+      b += GET_PRICEa_1(enc->low[kLenNumLowSymbols]);
+      do
+      {
+        /*
+        p->prices2[i] = a +
+        // RcTree_GetPrice(enc->high, kLenNumHighBits, i - kLenNumLowSymbols * 2, ProbPrices);
+        LitEnc_GetPrice(probs, i - kLenNumLowSymbols * 2, ProbPrices);
+        */
+        // UInt32 price = a + RcTree_GetPrice(probs, kLenNumHighBits - 1, sym, ProbPrices);
+        unsigned sym = --i + (1 << (kLenNumHighBits - 1));
+        UInt32 price = b;
+        do
+        {
+          unsigned bit = sym & 1;
+          sym >>= 1;
+          price += GET_PRICEa(probs[sym], bit);
+        }
+        while (sym >= 2);
+
+        {
+          unsigned prob = probs[(size_t)i + (1 << (kLenNumHighBits - 1))];
+          prices[(size_t)i * 2    ] = price + GET_PRICEa_0(prob);
+          prices[(size_t)i * 2 + 1] = price + GET_PRICEa_1(prob);
+        }
+      }
+      while (i);
+
+      {
+        unsigned posState;
+        size_t num = (p->tableSize - kLenNumLowSymbols * 2) * sizeof(p->prices[0][0]);
+        for (posState = 1; posState < numPosStates; posState++)
+          memcpy(p->prices[posState] + kLenNumLowSymbols * 2, p->prices[0] + kLenNumLowSymbols * 2, num);
+      }
+    }
+  }
+}
+
+/*
+  #ifdef SHOW_STAT
+  g_STAT_OFFSET += num;
+  printf("\n MovePos %u", num);
+  #endif
+*/
+  
+#define MOVE_POS(p, num) { \
+    p->additionalOffset += (num); \
+    p->matchFinder.Skip(p->matchFinderObj, (UInt32)(num)); }
+
+
+static unsigned ReadMatchDistances(CLzmaEnc *p, unsigned *numPairsRes)
+{
+  unsigned numPairs;
+  
+  p->additionalOffset++;
+  p->numAvail = p->matchFinder.GetNumAvailableBytes(p->matchFinderObj);
+  {
+    const UInt32 *d = p->matchFinder.GetMatches(p->matchFinderObj, p->matches);
+    // if (!d) { p->mf_Failure = True; *numPairsRes = 0;  return 0; }
+    numPairs = (unsigned)(d - p->matches);
+  }
+  *numPairsRes = numPairs;
+  
+  #ifdef SHOW_STAT
+  printf("\n i = %u numPairs = %u    ", g_STAT_OFFSET, numPairs / 2);
+  g_STAT_OFFSET++;
+  {
+    unsigned i;
+    for (i = 0; i < numPairs; i += 2)
+      printf("%2u %6u   | ", p->matches[i], p->matches[i + 1]);
+  }
+  #endif
+  
+  if (numPairs == 0)
+    return 0;
+  {
+    const unsigned len = p->matches[(size_t)numPairs - 2];
+    if (len != p->numFastBytes)
+      return len;
+    {
+      UInt32 numAvail = p->numAvail;
+      if (numAvail > LZMA_MATCH_LEN_MAX)
+        numAvail = LZMA_MATCH_LEN_MAX;
+      {
+        const Byte *p1 = p->matchFinder.GetPointerToCurrentPos(p->matchFinderObj) - 1;
+        const Byte *p2 = p1 + len;
+        const ptrdiff_t dif = (ptrdiff_t)-1 - (ptrdiff_t)p->matches[(size_t)numPairs - 1];
+        const Byte *lim = p1 + numAvail;
+        for (; p2 != lim && *p2 == p2[dif]; p2++)
+        {}
+        return (unsigned)(p2 - p1);
+      }
+    }
+  }
+}
+
+#define MARK_LIT ((UInt32)(Int32)-1)
+
+#define MakeAs_Lit(p)       { (p)->dist = MARK_LIT; (p)->extra = 0; }
+#define MakeAs_ShortRep(p)  { (p)->dist = 0; (p)->extra = 0; }
+#define IsShortRep(p)       ((p)->dist == 0)
+
+
+#define GetPrice_ShortRep(p, state, posState) \
+  ( GET_PRICE_0(p->isRepG0[state]) + GET_PRICE_0(p->isRep0Long[state][posState]))
+
+#define GetPrice_Rep_0(p, state, posState) ( \
+    GET_PRICE_1(p->isMatch[state][posState]) \
+  + GET_PRICE_1(p->isRep0Long[state][posState])) \
+  + GET_PRICE_1(p->isRep[state]) \
+  + GET_PRICE_0(p->isRepG0[state])
+  
+MY_FORCE_INLINE
+static UInt32 GetPrice_PureRep(const CLzmaEnc *p, unsigned repIndex, size_t state, size_t posState)
+{
+  UInt32 price;
+  UInt32 prob = p->isRepG0[state];
+  if (repIndex == 0)
+  {
+    price = GET_PRICE_0(prob);
+    price += GET_PRICE_1(p->isRep0Long[state][posState]);
+  }
+  else
+  {
+    price = GET_PRICE_1(prob);
+    prob = p->isRepG1[state];
+    if (repIndex == 1)
+      price += GET_PRICE_0(prob);
+    else
+    {
+      price += GET_PRICE_1(prob);
+      price += GET_PRICE(p->isRepG2[state], repIndex - 2);
+    }
+  }
+  return price;
+}
+
+
+static unsigned Backward(CLzmaEnc *p, unsigned cur)
+{
+  unsigned wr = cur + 1;
+  p->optEnd = wr;
+
+  for (;;)
+  {
+    UInt32 dist = p->opt[cur].dist;
+    unsigned len = (unsigned)p->opt[cur].len;
+    unsigned extra = (unsigned)p->opt[cur].extra;
+    cur -= len;
+
+    if (extra)
+    {
+      wr--;
+      p->opt[wr].len = (UInt32)len;
+      cur -= extra;
+      len = extra;
+      if (extra == 1)
+      {
+        p->opt[wr].dist = dist;
+        dist = MARK_LIT;
+      }
+      else
+      {
+        p->opt[wr].dist = 0;
+        len--;
+        wr--;
+        p->opt[wr].dist = MARK_LIT;
+        p->opt[wr].len = 1;
+      }
+    }
+
+    if (cur == 0)
+    {
+      p->backRes = dist;
+      p->optCur = wr;
+      return len;
+    }
+    
+    wr--;
+    p->opt[wr].dist = dist;
+    p->opt[wr].len = (UInt32)len;
+  }
+}
+
+
+
+#define LIT_PROBS(pos, prevByte) \
+  (p->litProbs + (UInt32)3 * (((((pos) << 8) + (prevByte)) & p->lpMask) << p->lc))
+
+
+static unsigned GetOptimum(CLzmaEnc *p, UInt32 position)
+{
+  unsigned last, cur;
+  UInt32 reps[LZMA_NUM_REPS];
+  unsigned repLens[LZMA_NUM_REPS];
+  UInt32 *matches;
+
+  {
+    UInt32 numAvail;
+    unsigned numPairs, mainLen, repMaxIndex, i, posState;
+    UInt32 matchPrice, repMatchPrice;
+    const Byte *data;
+    Byte curByte, matchByte;
+    
+    p->optCur = p->optEnd = 0;
+    
+    if (p->additionalOffset == 0)
+      mainLen = ReadMatchDistances(p, &numPairs);
+    else
+    {
+      mainLen = p->longestMatchLen;
+      numPairs = p->numPairs;
+    }
+    
+    numAvail = p->numAvail;
+    if (numAvail < 2)
+    {
+      p->backRes = MARK_LIT;
+      return 1;
+    }
+    if (numAvail > LZMA_MATCH_LEN_MAX)
+      numAvail = LZMA_MATCH_LEN_MAX;
+    
+    data = p->matchFinder.GetPointerToCurrentPos(p->matchFinderObj) - 1;
+    repMaxIndex = 0;
+    
+    for (i = 0; i < LZMA_NUM_REPS; i++)
+    {
+      unsigned len;
+      const Byte *data2;
+      reps[i] = p->reps[i];
+      data2 = data - reps[i];
+      if (data[0] != data2[0] || data[1] != data2[1])
+      {
+        repLens[i] = 0;
+        continue;
+      }
+      for (len = 2; len < numAvail && data[len] == data2[len]; len++)
+      {}
+      repLens[i] = len;
+      if (len > repLens[repMaxIndex])
+        repMaxIndex = i;
+      if (len == LZMA_MATCH_LEN_MAX) // 21.03 : optimization
+        break;
+    }
+    
+    if (repLens[repMaxIndex] >= p->numFastBytes)
+    {
+      unsigned len;
+      p->backRes = (UInt32)repMaxIndex;
+      len = repLens[repMaxIndex];
+      MOVE_POS(p, len - 1)
+      return len;
+    }
+    
+    matches = p->matches;
+    #define MATCHES  matches
+    // #define MATCHES  p->matches
+    
+    if (mainLen >= p->numFastBytes)
+    {
+      p->backRes = MATCHES[(size_t)numPairs - 1] + LZMA_NUM_REPS;
+      MOVE_POS(p, mainLen - 1)
+      return mainLen;
+    }
+    
+    curByte = *data;
+    matchByte = *(data - reps[0]);
+
+    last = repLens[repMaxIndex];
+    if (last <= mainLen)
+      last = mainLen;
+    
+    if (last < 2 && curByte != matchByte)
+    {
+      p->backRes = MARK_LIT;
+      return 1;
+    }
+    
+    p->opt[0].state = (CState)p->state;
+    
+    posState = (position & p->pbMask);
+    
+    {
+      const CLzmaProb *probs = LIT_PROBS(position, *(data - 1));
+      p->opt[1].price = GET_PRICE_0(p->isMatch[p->state][posState]) +
+        (!IsLitState(p->state) ?
+          LitEnc_Matched_GetPrice(probs, curByte, matchByte, p->ProbPrices) :
+          LitEnc_GetPrice(probs, curByte, p->ProbPrices));
+    }
+
+    MakeAs_Lit(&p->opt[1]);
+    
+    matchPrice = GET_PRICE_1(p->isMatch[p->state][posState]);
+    repMatchPrice = matchPrice + GET_PRICE_1(p->isRep[p->state]);
+    
+    // 18.06
+    if (matchByte == curByte && repLens[0] == 0)
+    {
+      UInt32 shortRepPrice = repMatchPrice + GetPrice_ShortRep(p, p->state, posState);
+      if (shortRepPrice < p->opt[1].price)
+      {
+        p->opt[1].price = shortRepPrice;
+        MakeAs_ShortRep(&p->opt[1]);
+      }
+      if (last < 2)
+      {
+        p->backRes = p->opt[1].dist;
+        return 1;
+      }
+    }
+   
+    p->opt[1].len = 1;
+    
+    p->opt[0].reps[0] = reps[0];
+    p->opt[0].reps[1] = reps[1];
+    p->opt[0].reps[2] = reps[2];
+    p->opt[0].reps[3] = reps[3];
+    
+    // ---------- REP ----------
+    
+    for (i = 0; i < LZMA_NUM_REPS; i++)
+    {
+      unsigned repLen = repLens[i];
+      UInt32 price;
+      if (repLen < 2)
+        continue;
+      price = repMatchPrice + GetPrice_PureRep(p, i, p->state, posState);
+      do
+      {
+        UInt32 price2 = price + GET_PRICE_LEN(&p->repLenEnc, posState, repLen);
+        COptimal *opt = &p->opt[repLen];
+        if (price2 < opt->price)
+        {
+          opt->price = price2;
+          opt->len = (UInt32)repLen;
+          opt->dist = (UInt32)i;
+          opt->extra = 0;
+        }
+      }
+      while (--repLen >= 2);
+    }
+    
+    
+    // ---------- MATCH ----------
+    {
+      unsigned len = repLens[0] + 1;
+      if (len <= mainLen)
+      {
+        unsigned offs = 0;
+        UInt32 normalMatchPrice = matchPrice + GET_PRICE_0(p->isRep[p->state]);
+
+        if (len < 2)
+          len = 2;
+        else
+          while (len > MATCHES[offs])
+            offs += 2;
+    
+        for (; ; len++)
+        {
+          COptimal *opt;
+          UInt32 dist = MATCHES[(size_t)offs + 1];
+          UInt32 price = normalMatchPrice + GET_PRICE_LEN(&p->lenEnc, posState, len);
+          unsigned lenToPosState = GetLenToPosState(len);
+       
+          if (dist < kNumFullDistances)
+            price += p->distancesPrices[lenToPosState][dist & (kNumFullDistances - 1)];
+          else
+          {
+            unsigned slot;
+            GetPosSlot2(dist, slot);
+            price += p->alignPrices[dist & kAlignMask];
+            price += p->posSlotPrices[lenToPosState][slot];
+          }
+          
+          opt = &p->opt[len];
+          
+          if (price < opt->price)
+          {
+            opt->price = price;
+            opt->len = (UInt32)len;
+            opt->dist = dist + LZMA_NUM_REPS;
+            opt->extra = 0;
+          }
+          
+          if (len == MATCHES[offs])
+          {
+            offs += 2;
+            if (offs == numPairs)
+              break;
+          }
+        }
+      }
+    }
+    
+
+    cur = 0;
+
+    #ifdef SHOW_STAT2
+    /* if (position >= 0) */
+    {
+      unsigned i;
+      printf("\n pos = %4X", position);
+      for (i = cur; i <= last; i++)
+      printf("\nprice[%4X] = %u", position - cur + i, p->opt[i].price);
+    }
+    #endif
+  }
+
+
+  
+  // ---------- Optimal Parsing ----------
+
+  for (;;)
+  {
+    unsigned numAvail;
+    UInt32 numAvailFull;
+    unsigned newLen, numPairs, prev, state, posState, startLen;
+    UInt32 litPrice, matchPrice, repMatchPrice;
+    BoolInt nextIsLit;
+    Byte curByte, matchByte;
+    const Byte *data;
+    COptimal *curOpt, *nextOpt;
+
+    if (++cur == last)
+      break;
+    
+    // 18.06
+    if (cur >= kNumOpts - 64)
+    {
+      unsigned j, best;
+      UInt32 price = p->opt[cur].price;
+      best = cur;
+      for (j = cur + 1; j <= last; j++)
+      {
+        UInt32 price2 = p->opt[j].price;
+        if (price >= price2)
+        {
+          price = price2;
+          best = j;
+        }
+      }
+      {
+        unsigned delta = best - cur;
+        if (delta != 0)
+        {
+          MOVE_POS(p, delta);
+        }
+      }
+      cur = best;
+      break;
+    }
+
+    newLen = ReadMatchDistances(p, &numPairs);
+    
+    if (newLen >= p->numFastBytes)
+    {
+      p->numPairs = numPairs;
+      p->longestMatchLen = newLen;
+      break;
+    }
+    
+    curOpt = &p->opt[cur];
+
+    position++;
+
+    // we need that check here, if skip_items in p->opt are possible
+    /*
+    if (curOpt->price >= kInfinityPrice)
+      continue;
+    */
+
+    prev = cur - curOpt->len;
+
+    if (curOpt->len == 1)
+    {
+      state = (unsigned)p->opt[prev].state;
+      if (IsShortRep(curOpt))
+        state = kShortRepNextStates[state];
+      else
+        state = kLiteralNextStates[state];
+    }
+    else
+    {
+      const COptimal *prevOpt;
+      UInt32 b0;
+      UInt32 dist = curOpt->dist;
+
+      if (curOpt->extra)
+      {
+        prev -= (unsigned)curOpt->extra;
+        state = kState_RepAfterLit;
+        if (curOpt->extra == 1)
+          state = (dist < LZMA_NUM_REPS ? kState_RepAfterLit : kState_MatchAfterLit);
+      }
+      else
+      {
+        state = (unsigned)p->opt[prev].state;
+        if (dist < LZMA_NUM_REPS)
+          state = kRepNextStates[state];
+        else
+          state = kMatchNextStates[state];
+      }
+
+      prevOpt = &p->opt[prev];
+      b0 = prevOpt->reps[0];
+
+      if (dist < LZMA_NUM_REPS)
+      {
+        if (dist == 0)
+        {
+          reps[0] = b0;
+          reps[1] = prevOpt->reps[1];
+          reps[2] = prevOpt->reps[2];
+          reps[3] = prevOpt->reps[3];
+        }
+        else
+        {
+          reps[1] = b0;
+          b0 = prevOpt->reps[1];
+          if (dist == 1)
+          {
+            reps[0] = b0;
+            reps[2] = prevOpt->reps[2];
+            reps[3] = prevOpt->reps[3];
+          }
+          else
+          {
+            reps[2] = b0;
+            reps[0] = prevOpt->reps[dist];
+            reps[3] = prevOpt->reps[dist ^ 1];
+          }
+        }
+      }
+      else
+      {
+        reps[0] = (dist - LZMA_NUM_REPS + 1);
+        reps[1] = b0;
+        reps[2] = prevOpt->reps[1];
+        reps[3] = prevOpt->reps[2];
+      }
+    }
+    
+    curOpt->state = (CState)state;
+    curOpt->reps[0] = reps[0];
+    curOpt->reps[1] = reps[1];
+    curOpt->reps[2] = reps[2];
+    curOpt->reps[3] = reps[3];
+
+    data = p->matchFinder.GetPointerToCurrentPos(p->matchFinderObj) - 1;
+    curByte = *data;
+    matchByte = *(data - reps[0]);
+
+    posState = (position & p->pbMask);
+
+    /*
+    The order of Price checks:
+       <  LIT
+       <= SHORT_REP
+       <  LIT : REP_0
+       <  REP    [ : LIT : REP_0 ]
+       <  MATCH  [ : LIT : REP_0 ]
+    */
+
+    {
+      UInt32 curPrice = curOpt->price;
+      unsigned prob = p->isMatch[state][posState];
+      matchPrice = curPrice + GET_PRICE_1(prob);
+      litPrice = curPrice + GET_PRICE_0(prob);
+    }
+
+    nextOpt = &p->opt[(size_t)cur + 1];
+    nextIsLit = False;
+
+    // here we can allow skip_items in p->opt, if we don't check (nextOpt->price < kInfinityPrice)
+    // 18.new.06
+    if ((nextOpt->price < kInfinityPrice
+        // && !IsLitState(state)
+        && matchByte == curByte)
+        || litPrice > nextOpt->price
+        )
+      litPrice = 0;
+    else
+    {
+      const CLzmaProb *probs = LIT_PROBS(position, *(data - 1));
+      litPrice += (!IsLitState(state) ?
+          LitEnc_Matched_GetPrice(probs, curByte, matchByte, p->ProbPrices) :
+          LitEnc_GetPrice(probs, curByte, p->ProbPrices));
+      
+      if (litPrice < nextOpt->price)
+      {
+        nextOpt->price = litPrice;
+        nextOpt->len = 1;
+        MakeAs_Lit(nextOpt);
+        nextIsLit = True;
+      }
+    }
+
+    repMatchPrice = matchPrice + GET_PRICE_1(p->isRep[state]);
+    
+    numAvailFull = p->numAvail;
+    {
+      unsigned temp = kNumOpts - 1 - cur;
+      if (numAvailFull > temp)
+        numAvailFull = (UInt32)temp;
+    }
+
+    // 18.06
+    // ---------- SHORT_REP ----------
+    if (IsLitState(state)) // 18.new
+    if (matchByte == curByte)
+    if (repMatchPrice < nextOpt->price) // 18.new
+    // if (numAvailFull < 2 || data[1] != *(data - reps[0] + 1))
+    if (
+        // nextOpt->price >= kInfinityPrice ||
+        nextOpt->len < 2   // we can check nextOpt->len, if skip items are not allowed in p->opt
+        || (nextOpt->dist != 0
+            // && nextOpt->extra <= 1 // 17.old
+            )
+        )
+    {
+      UInt32 shortRepPrice = repMatchPrice + GetPrice_ShortRep(p, state, posState);
+      // if (shortRepPrice <= nextOpt->price) // 17.old
+      if (shortRepPrice < nextOpt->price)  // 18.new
+      {
+        nextOpt->price = shortRepPrice;
+        nextOpt->len = 1;
+        MakeAs_ShortRep(nextOpt);
+        nextIsLit = False;
+      }
+    }
+    
+    if (numAvailFull < 2)
+      continue;
+    numAvail = (numAvailFull <= p->numFastBytes ? numAvailFull : p->numFastBytes);
+
+    // numAvail <= p->numFastBytes
+
+    // ---------- LIT : REP_0 ----------
+
+    if (!nextIsLit
+        && litPrice != 0 // 18.new
+        && matchByte != curByte
+        && numAvailFull > 2)
+    {
+      const Byte *data2 = data - reps[0];
+      if (data[1] == data2[1] && data[2] == data2[2])
+      {
+        unsigned len;
+        unsigned limit = p->numFastBytes + 1;
+        if (limit > numAvailFull)
+          limit = numAvailFull;
+        for (len = 3; len < limit && data[len] == data2[len]; len++)
+        {}
+        
+        {
+          unsigned state2 = kLiteralNextStates[state];
+          unsigned posState2 = (position + 1) & p->pbMask;
+          UInt32 price = litPrice + GetPrice_Rep_0(p, state2, posState2);
+          {
+            unsigned offset = cur + len;
+
+            if (last < offset)
+              last = offset;
+          
+            // do
+            {
+              UInt32 price2;
+              COptimal *opt;
+              len--;
+              // price2 = price + GetPrice_Len_Rep_0(p, len, state2, posState2);
+              price2 = price + GET_PRICE_LEN(&p->repLenEnc, posState2, len);
+
+              opt = &p->opt[offset];
+              // offset--;
+              if (price2 < opt->price)
+              {
+                opt->price = price2;
+                opt->len = (UInt32)len;
+                opt->dist = 0;
+                opt->extra = 1;
+              }
+            }
+            // while (len >= 3);
+          }
+        }
+      }
+    }
+    
+    startLen = 2; /* speed optimization */
+
+    {
+      // ---------- REP ----------
+      unsigned repIndex = 0; // 17.old
+      // unsigned repIndex = IsLitState(state) ? 0 : 1; // 18.notused
+      for (; repIndex < LZMA_NUM_REPS; repIndex++)
+      {
+        unsigned len;
+        UInt32 price;
+        const Byte *data2 = data - reps[repIndex];
+        if (data[0] != data2[0] || data[1] != data2[1])
+          continue;
+        
+        for (len = 2; len < numAvail && data[len] == data2[len]; len++)
+        {}
+        
+        // if (len < startLen) continue; // 18.new: speed optimization
+
+        {
+          unsigned offset = cur + len;
+          if (last < offset)
+            last = offset;
+        }
+        {
+          unsigned len2 = len;
+          price = repMatchPrice + GetPrice_PureRep(p, repIndex, state, posState);
+          do
+          {
+            UInt32 price2 = price + GET_PRICE_LEN(&p->repLenEnc, posState, len2);
+            COptimal *opt = &p->opt[cur + len2];
+            if (price2 < opt->price)
+            {
+              opt->price = price2;
+              opt->len = (UInt32)len2;
+              opt->dist = (UInt32)repIndex;
+              opt->extra = 0;
+            }
+          }
+          while (--len2 >= 2);
+        }
+        
+        if (repIndex == 0) startLen = len + 1;  // 17.old
+        // startLen = len + 1; // 18.new
+
+        /* if (_maxMode) */
+        {
+          // ---------- REP : LIT : REP_0 ----------
+          // numFastBytes + 1 + numFastBytes
+
+          unsigned len2 = len + 1;
+          unsigned limit = len2 + p->numFastBytes;
+          if (limit > numAvailFull)
+            limit = numAvailFull;
+          
+          len2 += 2;
+          if (len2 <= limit)
+          if (data[len2 - 2] == data2[len2 - 2])
+          if (data[len2 - 1] == data2[len2 - 1])
+          {
+            unsigned state2 = kRepNextStates[state];
+            unsigned posState2 = (position + len) & p->pbMask;
+            price += GET_PRICE_LEN(&p->repLenEnc, posState, len)
+                + GET_PRICE_0(p->isMatch[state2][posState2])
+                + LitEnc_Matched_GetPrice(LIT_PROBS(position + len, data[(size_t)len - 1]),
+                    data[len], data2[len], p->ProbPrices);
+            
+            // state2 = kLiteralNextStates[state2];
+            state2 = kState_LitAfterRep;
+            posState2 = (posState2 + 1) & p->pbMask;
+
+
+            price += GetPrice_Rep_0(p, state2, posState2);
+
+          for (; len2 < limit && data[len2] == data2[len2]; len2++)
+          {}
+          
+          len2 -= len;
+          // if (len2 >= 3)
+          {
+            {
+              unsigned offset = cur + len + len2;
+
+              if (last < offset)
+                last = offset;
+              // do
+              {
+                UInt32 price2;
+                COptimal *opt;
+                len2--;
+                // price2 = price + GetPrice_Len_Rep_0(p, len2, state2, posState2);
+                price2 = price + GET_PRICE_LEN(&p->repLenEnc, posState2, len2);
+
+                opt = &p->opt[offset];
+                // offset--;
+                if (price2 < opt->price)
+                {
+                  opt->price = price2;
+                  opt->len = (UInt32)len2;
+                  opt->extra = (CExtra)(len + 1);
+                  opt->dist = (UInt32)repIndex;
+                }
+              }
+              // while (len2 >= 3);
+            }
+          }
+          }
+        }
+      }
+    }
+
+
+    // ---------- MATCH ----------
+    /* for (unsigned len = 2; len <= newLen; len++) */
+    if (newLen > numAvail)
+    {
+      newLen = numAvail;
+      for (numPairs = 0; newLen > MATCHES[numPairs]; numPairs += 2);
+      MATCHES[numPairs] = (UInt32)newLen;
+      numPairs += 2;
+    }
+    
+    // startLen = 2; /* speed optimization */
+
+    if (newLen >= startLen)
+    {
+      UInt32 normalMatchPrice = matchPrice + GET_PRICE_0(p->isRep[state]);
+      UInt32 dist;
+      unsigned offs, posSlot, len;
+      
+      {
+        unsigned offset = cur + newLen;
+        if (last < offset)
+          last = offset;
+      }
+
+      offs = 0;
+      while (startLen > MATCHES[offs])
+        offs += 2;
+      dist = MATCHES[(size_t)offs + 1];
+      
+      // if (dist >= kNumFullDistances)
+      GetPosSlot2(dist, posSlot);
+      
+      for (len = /*2*/ startLen; ; len++)
+      {
+        UInt32 price = normalMatchPrice + GET_PRICE_LEN(&p->lenEnc, posState, len);
+        {
+          COptimal *opt;
+          unsigned lenNorm = len - 2;
+          lenNorm = GetLenToPosState2(lenNorm);
+          if (dist < kNumFullDistances)
+            price += p->distancesPrices[lenNorm][dist & (kNumFullDistances - 1)];
+          else
+            price += p->posSlotPrices[lenNorm][posSlot] + p->alignPrices[dist & kAlignMask];
+          
+          opt = &p->opt[cur + len];
+          if (price < opt->price)
+          {
+            opt->price = price;
+            opt->len = (UInt32)len;
+            opt->dist = dist + LZMA_NUM_REPS;
+            opt->extra = 0;
+          }
+        }
+
+        if (len == MATCHES[offs])
+        {
+          // if (p->_maxMode) {
+          // MATCH : LIT : REP_0
+
+          const Byte *data2 = data - dist - 1;
+          unsigned len2 = len + 1;
+          unsigned limit = len2 + p->numFastBytes;
+          if (limit > numAvailFull)
+            limit = numAvailFull;
+          
+          len2 += 2;
+          if (len2 <= limit)
+          if (data[len2 - 2] == data2[len2 - 2])
+          if (data[len2 - 1] == data2[len2 - 1])
+          {
+          for (; len2 < limit && data[len2] == data2[len2]; len2++)
+          {}
+          
+          len2 -= len;
+          
+          // if (len2 >= 3)
+          {
+            unsigned state2 = kMatchNextStates[state];
+            unsigned posState2 = (position + len) & p->pbMask;
+            unsigned offset;
+            price += GET_PRICE_0(p->isMatch[state2][posState2]);
+            price += LitEnc_Matched_GetPrice(LIT_PROBS(position + len, data[(size_t)len - 1]),
+                    data[len], data2[len], p->ProbPrices);
+
+            // state2 = kLiteralNextStates[state2];
+            state2 = kState_LitAfterMatch;
+
+            posState2 = (posState2 + 1) & p->pbMask;
+            price += GetPrice_Rep_0(p, state2, posState2);
+
+            offset = cur + len + len2;
+
+            if (last < offset)
+              last = offset;
+            // do
+            {
+              UInt32 price2;
+              COptimal *opt;
+              len2--;
+              // price2 = price + GetPrice_Len_Rep_0(p, len2, state2, posState2);
+              price2 = price + GET_PRICE_LEN(&p->repLenEnc, posState2, len2);
+              opt = &p->opt[offset];
+              // offset--;
+              if (price2 < opt->price)
+              {
+                opt->price = price2;
+                opt->len = (UInt32)len2;
+                opt->extra = (CExtra)(len + 1);
+                opt->dist = dist + LZMA_NUM_REPS;
+              }
+            }
+            // while (len2 >= 3);
+          }
+
+          }
+        
+          offs += 2;
+          if (offs == numPairs)
+            break;
+          dist = MATCHES[(size_t)offs + 1];
+          // if (dist >= kNumFullDistances)
+            GetPosSlot2(dist, posSlot);
+        }
+      }
+    }
+  }
+
+  do
+    p->opt[last].price = kInfinityPrice;
+  while (--last);
+
+  return Backward(p, cur);
+}
+
+
+
+#define ChangePair(smallDist, bigDist) (((bigDist) >> 7) > (smallDist))
+
+
+
+static unsigned GetOptimumFast(CLzmaEnc *p)
+{
+  UInt32 numAvail, mainDist;
+  unsigned mainLen, numPairs, repIndex, repLen, i;
+  const Byte *data;
+
+  if (p->additionalOffset == 0)
+    mainLen = ReadMatchDistances(p, &numPairs);
+  else
+  {
+    mainLen = p->longestMatchLen;
+    numPairs = p->numPairs;
+  }
+
+  numAvail = p->numAvail;
+  p->backRes = MARK_LIT;
+  if (numAvail < 2)
+    return 1;
+  // if (mainLen < 2 && p->state == 0) return 1; // 18.06.notused
+  if (numAvail > LZMA_MATCH_LEN_MAX)
+    numAvail = LZMA_MATCH_LEN_MAX;
+  data = p->matchFinder.GetPointerToCurrentPos(p->matchFinderObj) - 1;
+  repLen = repIndex = 0;
+  
+  for (i = 0; i < LZMA_NUM_REPS; i++)
+  {
+    unsigned len;
+    const Byte *data2 = data - p->reps[i];
+    if (data[0] != data2[0] || data[1] != data2[1])
+      continue;
+    for (len = 2; len < numAvail && data[len] == data2[len]; len++)
+    {}
+    if (len >= p->numFastBytes)
+    {
+      p->backRes = (UInt32)i;
+      MOVE_POS(p, len - 1)
+      return len;
+    }
+    if (len > repLen)
+    {
+      repIndex = i;
+      repLen = len;
+    }
+  }
+
+  if (mainLen >= p->numFastBytes)
+  {
+    p->backRes = p->matches[(size_t)numPairs - 1] + LZMA_NUM_REPS;
+    MOVE_POS(p, mainLen - 1)
+    return mainLen;
+  }
+
+  mainDist = 0; /* for GCC */
+  
+  if (mainLen >= 2)
+  {
+    mainDist = p->matches[(size_t)numPairs - 1];
+    while (numPairs > 2)
+    {
+      UInt32 dist2;
+      if (mainLen != p->matches[(size_t)numPairs - 4] + 1)
+        break;
+      dist2 = p->matches[(size_t)numPairs - 3];
+      if (!ChangePair(dist2, mainDist))
+        break;
+      numPairs -= 2;
+      mainLen--;
+      mainDist = dist2;
+    }
+    if (mainLen == 2 && mainDist >= 0x80)
+      mainLen = 1;
+  }
+
+  if (repLen >= 2)
+    if (    repLen + 1 >= mainLen
+        || (repLen + 2 >= mainLen && mainDist >= (1 << 9))
+        || (repLen + 3 >= mainLen && mainDist >= (1 << 15)))
+  {
+    p->backRes = (UInt32)repIndex;
+    MOVE_POS(p, repLen - 1)
+    return repLen;
+  }
+  
+  if (mainLen < 2 || numAvail <= 2)
+    return 1;
+
+  {
+    unsigned len1 = ReadMatchDistances(p, &p->numPairs);
+    p->longestMatchLen = len1;
+  
+    if (len1 >= 2)
+    {
+      UInt32 newDist = p->matches[(size_t)p->numPairs - 1];
+      if (   (len1 >= mainLen && newDist < mainDist)
+          || (len1 == mainLen + 1 && !ChangePair(mainDist, newDist))
+          || (len1 >  mainLen + 1)
+          || (len1 + 1 >= mainLen && mainLen >= 3 && ChangePair(newDist, mainDist)))
+        return 1;
+    }
+  }
+  
+  data = p->matchFinder.GetPointerToCurrentPos(p->matchFinderObj) - 1;
+  
+  for (i = 0; i < LZMA_NUM_REPS; i++)
+  {
+    unsigned len, limit;
+    const Byte *data2 = data - p->reps[i];
+    if (data[0] != data2[0] || data[1] != data2[1])
+      continue;
+    limit = mainLen - 1;
+    for (len = 2;; len++)
+    {
+      if (len >= limit)
+        return 1;
+      if (data[len] != data2[len])
+        break;
+    }
+  }
+  
+  p->backRes = mainDist + LZMA_NUM_REPS;
+  if (mainLen != 2)
+  {
+    MOVE_POS(p, mainLen - 2)
+  }
+  return mainLen;
+}
+
+
+
+
+static void WriteEndMarker(CLzmaEnc *p, unsigned posState)
+{
+  UInt32 range;
+  range = p->rc.range;
+  {
+    UInt32 ttt, newBound;
+    CLzmaProb *prob = &p->isMatch[p->state][posState];
+    RC_BIT_PRE(&p->rc, prob)
+    RC_BIT_1(&p->rc, prob)
+    prob = &p->isRep[p->state];
+    RC_BIT_PRE(&p->rc, prob)
+    RC_BIT_0(&p->rc, prob)
+  }
+  p->state = kMatchNextStates[p->state];
+  
+  p->rc.range = range;
+  LenEnc_Encode(&p->lenProbs, &p->rc, 0, posState);
+  range = p->rc.range;
+
+  {
+    // RcTree_Encode_PosSlot(&p->rc, p->posSlotEncoder[0], (1 << kNumPosSlotBits) - 1);
+    CLzmaProb *probs = p->posSlotEncoder[0];
+    unsigned m = 1;
+    do
+    {
+      UInt32 ttt, newBound;
+      RC_BIT_PRE(p, probs + m)
+      RC_BIT_1(&p->rc, probs + m);
+      m = (m << 1) + 1;
+    }
+    while (m < (1 << kNumPosSlotBits));
+  }
+  {
+    // RangeEnc_EncodeDirectBits(&p->rc, ((UInt32)1 << (30 - kNumAlignBits)) - 1, 30 - kNumAlignBits);    UInt32 range = p->range;
+    unsigned numBits = 30 - kNumAlignBits;
+    do
+    {
+      range >>= 1;
+      p->rc.low += range;
+      RC_NORM(&p->rc)
+    }
+    while (--numBits);
+  }
+   
+  {
+    // RcTree_ReverseEncode(&p->rc, p->posAlignEncoder, kNumAlignBits, kAlignMask);
+    CLzmaProb *probs = p->posAlignEncoder;
+    unsigned m = 1;
+    do
+    {
+      UInt32 ttt, newBound;
+      RC_BIT_PRE(p, probs + m)
+      RC_BIT_1(&p->rc, probs + m);
+      m = (m << 1) + 1;
+    }
+    while (m < kAlignTableSize);
+  }
+  p->rc.range = range;
+}
+
+
+static SRes CheckErrors(CLzmaEnc *p)
+{
+  if (p->result != SZ_OK)
+    return p->result;
+  if (p->rc.res != SZ_OK)
+    p->result = SZ_ERROR_WRITE;
+
+  #ifndef _7ZIP_ST
+  if (
+      // p->mf_Failure ||
+        (p->mtMode &&
+          ( // p->matchFinderMt.failure_LZ_LZ ||
+            p->matchFinderMt.failure_LZ_BT))
+     )
+  {
+    p->result = MY_HRES_ERROR__INTERNAL_ERROR;
+    // printf("\nCheckErrors p->matchFinderMt.failureLZ\n");
+  }
+  #endif
+
+  if (MFB.result != SZ_OK)
+    p->result = SZ_ERROR_READ;
+  
+  if (p->result != SZ_OK)
+    p->finished = True;
+  return p->result;
+}
+
+
+MY_NO_INLINE static SRes Flush(CLzmaEnc *p, UInt32 nowPos)
+{
+  /* ReleaseMFStream(); */
+  p->finished = True;
+  if (p->writeEndMark)
+    WriteEndMarker(p, nowPos & p->pbMask);
+  RangeEnc_FlushData(&p->rc);
+  RangeEnc_FlushStream(&p->rc);
+  return CheckErrors(p);
+}
+
+
+MY_NO_INLINE static void FillAlignPrices(CLzmaEnc *p)
+{
+  unsigned i;
+  const CProbPrice *ProbPrices = p->ProbPrices;
+  const CLzmaProb *probs = p->posAlignEncoder;
+  // p->alignPriceCount = 0;
+  for (i = 0; i < kAlignTableSize / 2; i++)
+  {
+    UInt32 price = 0;
+    unsigned sym = i;
+    unsigned m = 1;
+    unsigned bit;
+    UInt32 prob;
+    bit = sym & 1; sym >>= 1; price += GET_PRICEa(probs[m], bit); m = (m << 1) + bit;
+    bit = sym & 1; sym >>= 1; price += GET_PRICEa(probs[m], bit); m = (m << 1) + bit;
+    bit = sym & 1; sym >>= 1; price += GET_PRICEa(probs[m], bit); m = (m << 1) + bit;
+    prob = probs[m];
+    p->alignPrices[i    ] = price + GET_PRICEa_0(prob);
+    p->alignPrices[i + 8] = price + GET_PRICEa_1(prob);
+    // p->alignPrices[i] = RcTree_ReverseGetPrice(p->posAlignEncoder, kNumAlignBits, i, p->ProbPrices);
+  }
+}
+
+
+MY_NO_INLINE static void FillDistancesPrices(CLzmaEnc *p)
+{
+  // int y; for (y = 0; y < 100; y++) {
+
+  UInt32 tempPrices[kNumFullDistances];
+  unsigned i, lps;
+
+  const CProbPrice *ProbPrices = p->ProbPrices;
+  p->matchPriceCount = 0;
+
+  for (i = kStartPosModelIndex / 2; i < kNumFullDistances / 2; i++)
+  {
+    unsigned posSlot = GetPosSlot1(i);
+    unsigned footerBits = (posSlot >> 1) - 1;
+    unsigned base = ((2 | (posSlot & 1)) << footerBits);
+    const CLzmaProb *probs = p->posEncoders + (size_t)base * 2;
+    // tempPrices[i] = RcTree_ReverseGetPrice(p->posEncoders + base, footerBits, i - base, p->ProbPrices);
+    UInt32 price = 0;
+    unsigned m = 1;
+    unsigned sym = i;
+    unsigned offset = (unsigned)1 << footerBits;
+    base += i;
+    
+    if (footerBits)
+    do
+    {
+      unsigned bit = sym & 1;
+      sym >>= 1;
+      price += GET_PRICEa(probs[m], bit);
+      m = (m << 1) + bit;
+    }
+    while (--footerBits);
+
+    {
+      unsigned prob = probs[m];
+      tempPrices[base         ] = price + GET_PRICEa_0(prob);
+      tempPrices[base + offset] = price + GET_PRICEa_1(prob);
+    }
+  }
+
+  for (lps = 0; lps < kNumLenToPosStates; lps++)
+  {
+    unsigned slot;
+    unsigned distTableSize2 = (p->distTableSize + 1) >> 1;
+    UInt32 *posSlotPrices = p->posSlotPrices[lps];
+    const CLzmaProb *probs = p->posSlotEncoder[lps];
+    
+    for (slot = 0; slot < distTableSize2; slot++)
+    {
+      // posSlotPrices[slot] = RcTree_GetPrice(encoder, kNumPosSlotBits, slot, p->ProbPrices);
+      UInt32 price;
+      unsigned bit;
+      unsigned sym = slot + (1 << (kNumPosSlotBits - 1));
+      unsigned prob;
+      bit = sym & 1; sym >>= 1; price  = GET_PRICEa(probs[sym], bit);
+      bit = sym & 1; sym >>= 1; price += GET_PRICEa(probs[sym], bit);
+      bit = sym & 1; sym >>= 1; price += GET_PRICEa(probs[sym], bit);
+      bit = sym & 1; sym >>= 1; price += GET_PRICEa(probs[sym], bit);
+      bit = sym & 1; sym >>= 1; price += GET_PRICEa(probs[sym], bit);
+      prob = probs[(size_t)slot + (1 << (kNumPosSlotBits - 1))];
+      posSlotPrices[(size_t)slot * 2    ] = price + GET_PRICEa_0(prob);
+      posSlotPrices[(size_t)slot * 2 + 1] = price + GET_PRICEa_1(prob);
+    }
+    
+    {
+      UInt32 delta = ((UInt32)((kEndPosModelIndex / 2 - 1) - kNumAlignBits) << kNumBitPriceShiftBits);
+      for (slot = kEndPosModelIndex / 2; slot < distTableSize2; slot++)
+      {
+        posSlotPrices[(size_t)slot * 2    ] += delta;
+        posSlotPrices[(size_t)slot * 2 + 1] += delta;
+        delta += ((UInt32)1 << kNumBitPriceShiftBits);
+      }
+    }
+
+    {
+      UInt32 *dp = p->distancesPrices[lps];
+      
+      dp[0] = posSlotPrices[0];
+      dp[1] = posSlotPrices[1];
+      dp[2] = posSlotPrices[2];
+      dp[3] = posSlotPrices[3];
+
+      for (i = 4; i < kNumFullDistances; i += 2)
+      {
+        UInt32 slotPrice = posSlotPrices[GetPosSlot1(i)];
+        dp[i    ] = slotPrice + tempPrices[i];
+        dp[i + 1] = slotPrice + tempPrices[i + 1];
+      }
+    }
+  }
+  // }
+}
+
+
+
+static void LzmaEnc_Construct(CLzmaEnc *p)
+{
+  RangeEnc_Construct(&p->rc);
+  MatchFinder_Construct(&MFB);
+  
+  #ifndef _7ZIP_ST
+  p->matchFinderMt.MatchFinder = &MFB;
+  MatchFinderMt_Construct(&p->matchFinderMt);
+  #endif
+
+  {
+    CLzmaEncProps props;
+    LzmaEncProps_Init(&props);
+    LzmaEnc_SetProps(p, &props);
+  }
+
+  #ifndef LZMA_LOG_BSR
+  LzmaEnc_FastPosInit(p->g_FastPos);
+  #endif
+
+  LzmaEnc_InitPriceTables(p->ProbPrices);
+  p->litProbs = NULL;
+  p->saveState.litProbs = NULL;
+}
+
+CLzmaEncHandle LzmaEnc_Create(ISzAllocPtr alloc)
+{
+  void *p;
+  p = ISzAlloc_Alloc(alloc, sizeof(CLzmaEnc));
+  if (p)
+    LzmaEnc_Construct((CLzmaEnc *)p);
+  return p;
+}
+
+static void LzmaEnc_FreeLits(CLzmaEnc *p, ISzAllocPtr alloc)
+{
+  ISzAlloc_Free(alloc, p->litProbs);
+  ISzAlloc_Free(alloc, p->saveState.litProbs);
+  p->litProbs = NULL;
+  p->saveState.litProbs = NULL;
+}
+
+static void LzmaEnc_Destruct(CLzmaEnc *p, ISzAllocPtr alloc, ISzAllocPtr allocBig)
+{
+  #ifndef _7ZIP_ST
+  MatchFinderMt_Destruct(&p->matchFinderMt, allocBig);
+  #endif
+  
+  MatchFinder_Free(&MFB, allocBig);
+  LzmaEnc_FreeLits(p, alloc);
+  RangeEnc_Free(&p->rc, alloc);
+}
+
+void LzmaEnc_Destroy(CLzmaEncHandle p, ISzAllocPtr alloc, ISzAllocPtr allocBig)
+{
+  LzmaEnc_Destruct((CLzmaEnc *)p, alloc, allocBig);
+  ISzAlloc_Free(alloc, p);
+}
+
+
+MY_NO_INLINE
+static SRes LzmaEnc_CodeOneBlock(CLzmaEnc *p, UInt32 maxPackSize, UInt32 maxUnpackSize)
+{
+  UInt32 nowPos32, startPos32;
+  if (p->needInit)
+  {
+    #ifndef _7ZIP_ST
+    if (p->mtMode)
+    {
+      RINOK(MatchFinderMt_InitMt(&p->matchFinderMt));
+    }
+    #endif
+    p->matchFinder.Init(p->matchFinderObj);
+    p->needInit = 0;
+  }
+
+  if (p->finished)
+    return p->result;
+  RINOK(CheckErrors(p));
+
+  nowPos32 = (UInt32)p->nowPos64;
+  startPos32 = nowPos32;
+
+  if (p->nowPos64 == 0)
+  {
+    unsigned numPairs;
+    Byte curByte;
+    if (p->matchFinder.GetNumAvailableBytes(p->matchFinderObj) == 0)
+      return Flush(p, nowPos32);
+    ReadMatchDistances(p, &numPairs);
+    RangeEnc_EncodeBit_0(&p->rc, &p->isMatch[kState_Start][0]);
+    // p->state = kLiteralNextStates[p->state];
+    curByte = *(p->matchFinder.GetPointerToCurrentPos(p->matchFinderObj) - p->additionalOffset);
+    LitEnc_Encode(&p->rc, p->litProbs, curByte);
+    p->additionalOffset--;
+    nowPos32++;
+  }
+
+  if (p->matchFinder.GetNumAvailableBytes(p->matchFinderObj) != 0)
+  
+  for (;;)
+  {
+    UInt32 dist;
+    unsigned len, posState;
+    UInt32 range, ttt, newBound;
+    CLzmaProb *probs;
+  
+    if (p->fastMode)
+      len = GetOptimumFast(p);
+    else
+    {
+      unsigned oci = p->optCur;
+      if (p->optEnd == oci)
+        len = GetOptimum(p, nowPos32);
+      else
+      {
+        const COptimal *opt = &p->opt[oci];
+        len = opt->len;
+        p->backRes = opt->dist;
+        p->optCur = oci + 1;
+      }
+    }
+
+    posState = (unsigned)nowPos32 & p->pbMask;
+    range = p->rc.range;
+    probs = &p->isMatch[p->state][posState];
+    
+    RC_BIT_PRE(&p->rc, probs)
+    
+    dist = p->backRes;
+
+    #ifdef SHOW_STAT2
+    printf("\n pos = %6X, len = %3u  pos = %6u", nowPos32, len, dist);
+    #endif
+
+    if (dist == MARK_LIT)
+    {
+      Byte curByte;
+      const Byte *data;
+      unsigned state;
+
+      RC_BIT_0(&p->rc, probs);
+      p->rc.range = range;
+      data = p->matchFinder.GetPointerToCurrentPos(p->matchFinderObj) - p->additionalOffset;
+      probs = LIT_PROBS(nowPos32, *(data - 1));
+      curByte = *data;
+      state = p->state;
+      p->state = kLiteralNextStates[state];
+      if (IsLitState(state))
+        LitEnc_Encode(&p->rc, probs, curByte);
+      else
+        LitEnc_EncodeMatched(&p->rc, probs, curByte, *(data - p->reps[0]));
+    }
+    else
+    {
+      RC_BIT_1(&p->rc, probs);
+      probs = &p->isRep[p->state];
+      RC_BIT_PRE(&p->rc, probs)
+      
+      if (dist < LZMA_NUM_REPS)
+      {
+        RC_BIT_1(&p->rc, probs);
+        probs = &p->isRepG0[p->state];
+        RC_BIT_PRE(&p->rc, probs)
+        if (dist == 0)
+        {
+          RC_BIT_0(&p->rc, probs);
+          probs = &p->isRep0Long[p->state][posState];
+          RC_BIT_PRE(&p->rc, probs)
+          if (len != 1)
+          {
+            RC_BIT_1_BASE(&p->rc, probs);
+          }
+          else
+          {
+            RC_BIT_0_BASE(&p->rc, probs);
+            p->state = kShortRepNextStates[p->state];
+          }
+        }
+        else
+        {
+          RC_BIT_1(&p->rc, probs);
+          probs = &p->isRepG1[p->state];
+          RC_BIT_PRE(&p->rc, probs)
+          if (dist == 1)
+          {
+            RC_BIT_0_BASE(&p->rc, probs);
+            dist = p->reps[1];
+          }
+          else
+          {
+            RC_BIT_1(&p->rc, probs);
+            probs = &p->isRepG2[p->state];
+            RC_BIT_PRE(&p->rc, probs)
+            if (dist == 2)
+            {
+              RC_BIT_0_BASE(&p->rc, probs);
+              dist = p->reps[2];
+            }
+            else
+            {
+              RC_BIT_1_BASE(&p->rc, probs);
+              dist = p->reps[3];
+              p->reps[3] = p->reps[2];
+            }
+            p->reps[2] = p->reps[1];
+          }
+          p->reps[1] = p->reps[0];
+          p->reps[0] = dist;
+        }
+
+        RC_NORM(&p->rc)
+
+        p->rc.range = range;
+
+        if (len != 1)
+        {
+          LenEnc_Encode(&p->repLenProbs, &p->rc, len - LZMA_MATCH_LEN_MIN, posState);
+          --p->repLenEncCounter;
+          p->state = kRepNextStates[p->state];
+        }
+      }
+      else
+      {
+        unsigned posSlot;
+        RC_BIT_0(&p->rc, probs);
+        p->rc.range = range;
+        p->state = kMatchNextStates[p->state];
+
+        LenEnc_Encode(&p->lenProbs, &p->rc, len - LZMA_MATCH_LEN_MIN, posState);
+        // --p->lenEnc.counter;
+
+        dist -= LZMA_NUM_REPS;
+        p->reps[3] = p->reps[2];
+        p->reps[2] = p->reps[1];
+        p->reps[1] = p->reps[0];
+        p->reps[0] = dist + 1;
+        
+        p->matchPriceCount++;
+        GetPosSlot(dist, posSlot);
+        // RcTree_Encode_PosSlot(&p->rc, p->posSlotEncoder[GetLenToPosState(len)], posSlot);
+        {
+          UInt32 sym = (UInt32)posSlot + (1 << kNumPosSlotBits);
+          range = p->rc.range;
+          probs = p->posSlotEncoder[GetLenToPosState(len)];
+          do
+          {
+            CLzmaProb *prob = probs + (sym >> kNumPosSlotBits);
+            UInt32 bit = (sym >> (kNumPosSlotBits - 1)) & 1;
+            sym <<= 1;
+            RC_BIT(&p->rc, prob, bit);
+          }
+          while (sym < (1 << kNumPosSlotBits * 2));
+          p->rc.range = range;
+        }
+        
+        if (dist >= kStartPosModelIndex)
+        {
+          unsigned footerBits = ((posSlot >> 1) - 1);
+
+          if (dist < kNumFullDistances)
+          {
+            unsigned base = ((2 | (posSlot & 1)) << footerBits);
+            RcTree_ReverseEncode(&p->rc, p->posEncoders + base, footerBits, (unsigned)(dist /* - base */));
+          }
+          else
+          {
+            UInt32 pos2 = (dist | 0xF) << (32 - footerBits);
+            range = p->rc.range;
+            // RangeEnc_EncodeDirectBits(&p->rc, posReduced >> kNumAlignBits, footerBits - kNumAlignBits);
+            /*
+            do
+            {
+              range >>= 1;
+              p->rc.low += range & (0 - ((dist >> --footerBits) & 1));
+              RC_NORM(&p->rc)
+            }
+            while (footerBits > kNumAlignBits);
+            */
+            do
+            {
+              range >>= 1;
+              p->rc.low += range & (0 - (pos2 >> 31));
+              pos2 += pos2;
+              RC_NORM(&p->rc)
+            }
+            while (pos2 != 0xF0000000);
+
+
+            // RcTree_ReverseEncode(&p->rc, p->posAlignEncoder, kNumAlignBits, posReduced & kAlignMask);
+
+            {
+              unsigned m = 1;
+              unsigned bit;
+              bit = dist & 1; dist >>= 1; RC_BIT(&p->rc, p->posAlignEncoder + m, bit); m = (m << 1) + bit;
+              bit = dist & 1; dist >>= 1; RC_BIT(&p->rc, p->posAlignEncoder + m, bit); m = (m << 1) + bit;
+              bit = dist & 1; dist >>= 1; RC_BIT(&p->rc, p->posAlignEncoder + m, bit); m = (m << 1) + bit;
+              bit = dist & 1;             RC_BIT(&p->rc, p->posAlignEncoder + m, bit);
+              p->rc.range = range;
+              // p->alignPriceCount++;
+            }
+          }
+        }
+      }
+    }
+
+    nowPos32 += (UInt32)len;
+    p->additionalOffset -= len;
+    
+    if (p->additionalOffset == 0)
+    {
+      UInt32 processed;
+
+      if (!p->fastMode)
+      {
+        /*
+        if (p->alignPriceCount >= 16) // kAlignTableSize
+          FillAlignPrices(p);
+        if (p->matchPriceCount >= 128)
+          FillDistancesPrices(p);
+        if (p->lenEnc.counter <= 0)
+          LenPriceEnc_UpdateTables(&p->lenEnc, 1 << p->pb, &p->lenProbs, p->ProbPrices);
+        */
+        if (p->matchPriceCount >= 64)
+        {
+          FillAlignPrices(p);
+          // { int y; for (y = 0; y < 100; y++) {
+          FillDistancesPrices(p);
+          // }}
+          LenPriceEnc_UpdateTables(&p->lenEnc, (unsigned)1 << p->pb, &p->lenProbs, p->ProbPrices);
+        }
+        if (p->repLenEncCounter <= 0)
+        {
+          p->repLenEncCounter = REP_LEN_COUNT;
+          LenPriceEnc_UpdateTables(&p->repLenEnc, (unsigned)1 << p->pb, &p->repLenProbs, p->ProbPrices);
+        }
+      }
+    
+      if (p->matchFinder.GetNumAvailableBytes(p->matchFinderObj) == 0)
+        break;
+      processed = nowPos32 - startPos32;
+      
+      if (maxPackSize)
+      {
+        if (processed + kNumOpts + 300 >= maxUnpackSize
+            || RangeEnc_GetProcessed_sizet(&p->rc) + kPackReserve >= maxPackSize)
+          break;
+      }
+      else if (processed >= (1 << 17))
+      {
+        p->nowPos64 += nowPos32 - startPos32;
+        return CheckErrors(p);
+      }
+    }
+  }
+
+  p->nowPos64 += nowPos32 - startPos32;
+  return Flush(p, nowPos32);
+}
+
+
+
+#define kBigHashDicLimit ((UInt32)1 << 24)
+
+static SRes LzmaEnc_Alloc(CLzmaEnc *p, UInt32 keepWindowSize, ISzAllocPtr alloc, ISzAllocPtr allocBig)
+{
+  UInt32 beforeSize = kNumOpts;
+  UInt32 dictSize;
+
+  if (!RangeEnc_Alloc(&p->rc, alloc))
+    return SZ_ERROR_MEM;
+
+  #ifndef _7ZIP_ST
+  p->mtMode = (p->multiThread && !p->fastMode && (MFB.btMode != 0));
+  #endif
+
+  {
+    unsigned lclp = p->lc + p->lp;
+    if (!p->litProbs || !p->saveState.litProbs || p->lclp != lclp)
+    {
+      LzmaEnc_FreeLits(p, alloc);
+      p->litProbs = (CLzmaProb *)ISzAlloc_Alloc(alloc, ((UInt32)0x300 << lclp) * sizeof(CLzmaProb));
+      p->saveState.litProbs = (CLzmaProb *)ISzAlloc_Alloc(alloc, ((UInt32)0x300 << lclp) * sizeof(CLzmaProb));
+      if (!p->litProbs || !p->saveState.litProbs)
+      {
+        LzmaEnc_FreeLits(p, alloc);
+        return SZ_ERROR_MEM;
+      }
+      p->lclp = lclp;
+    }
+  }
+
+  MFB.bigHash = (Byte)(p->dictSize > kBigHashDicLimit ? 1 : 0);
+
+
+  dictSize = p->dictSize;
+  if (dictSize == ((UInt32)2 << 30) ||
+      dictSize == ((UInt32)3 << 30))
+  {
+    /* 21.03 : here we reduce the dictionary for 2 reasons:
+       1) we don't want 32-bit back_distance matches in decoder for 2 GB dictionary.
+       2) we want to elimate useless last MatchFinder_Normalize3() for corner cases,
+          where data size is aligned for 1 GB: 5/6/8 GB.
+          That reducing must be >= 1 for such corner cases. */
+    dictSize -= 1;
+  }
+
+  if (beforeSize + dictSize < keepWindowSize)
+    beforeSize = keepWindowSize - dictSize;
+
+  /* in worst case we can look ahead for
+        max(LZMA_MATCH_LEN_MAX, numFastBytes + 1 + numFastBytes) bytes.
+     we send larger value for (keepAfter) to MantchFinder_Create():
+        (numFastBytes + LZMA_MATCH_LEN_MAX + 1)
+  */
+
+  #ifndef _7ZIP_ST
+  if (p->mtMode)
+  {
+    RINOK(MatchFinderMt_Create(&p->matchFinderMt, dictSize, beforeSize,
+        p->numFastBytes, LZMA_MATCH_LEN_MAX + 1 /* 18.04 */
+        , allocBig));
+    p->matchFinderObj = &p->matchFinderMt;
+    MFB.bigHash = (Byte)(
+        (p->dictSize > kBigHashDicLimit && MFB.hashMask >= 0xFFFFFF) ? 1 : 0);
+    MatchFinderMt_CreateVTable(&p->matchFinderMt, &p->matchFinder);
+  }
+  else
+  #endif
+  {
+    if (!MatchFinder_Create(&MFB, dictSize, beforeSize,
+        p->numFastBytes, LZMA_MATCH_LEN_MAX + 1 /* 21.03 */
+        , allocBig))
+      return SZ_ERROR_MEM;
+    p->matchFinderObj = &MFB;
+    MatchFinder_CreateVTable(&MFB, &p->matchFinder);
+  }
+  
+  return SZ_OK;
+}
+
+static void LzmaEnc_Init(CLzmaEnc *p)
+{
+  unsigned i;
+  p->state = 0;
+  p->reps[0] =
+  p->reps[1] =
+  p->reps[2] =
+  p->reps[3] = 1;
+
+  RangeEnc_Init(&p->rc);
+
+  for (i = 0; i < (1 << kNumAlignBits); i++)
+    p->posAlignEncoder[i] = kProbInitValue;
+
+  for (i = 0; i < kNumStates; i++)
+  {
+    unsigned j;
+    for (j = 0; j < LZMA_NUM_PB_STATES_MAX; j++)
+    {
+      p->isMatch[i][j] = kProbInitValue;
+      p->isRep0Long[i][j] = kProbInitValue;
+    }
+    p->isRep[i] = kProbInitValue;
+    p->isRepG0[i] = kProbInitValue;
+    p->isRepG1[i] = kProbInitValue;
+    p->isRepG2[i] = kProbInitValue;
+  }
+
+  {
+    for (i = 0; i < kNumLenToPosStates; i++)
+    {
+      CLzmaProb *probs = p->posSlotEncoder[i];
+      unsigned j;
+      for (j = 0; j < (1 << kNumPosSlotBits); j++)
+        probs[j] = kProbInitValue;
+    }
+  }
+  {
+    for (i = 0; i < kNumFullDistances; i++)
+      p->posEncoders[i] = kProbInitValue;
+  }
+
+  {
+    UInt32 num = (UInt32)0x300 << (p->lp + p->lc);
+    UInt32 k;
+    CLzmaProb *probs = p->litProbs;
+    for (k = 0; k < num; k++)
+      probs[k] = kProbInitValue;
+  }
+
+
+  LenEnc_Init(&p->lenProbs);
+  LenEnc_Init(&p->repLenProbs);
+
+  p->optEnd = 0;
+  p->optCur = 0;
+
+  {
+    for (i = 0; i < kNumOpts; i++)
+      p->opt[i].price = kInfinityPrice;
+  }
+
+  p->additionalOffset = 0;
+
+  p->pbMask = ((unsigned)1 << p->pb) - 1;
+  p->lpMask = ((UInt32)0x100 << p->lp) - ((unsigned)0x100 >> p->lc);
+
+  // p->mf_Failure = False;
+}
+
+
+static void LzmaEnc_InitPrices(CLzmaEnc *p)
+{
+  if (!p->fastMode)
+  {
+    FillDistancesPrices(p);
+    FillAlignPrices(p);
+  }
+
+  p->lenEnc.tableSize =
+  p->repLenEnc.tableSize =
+      p->numFastBytes + 1 - LZMA_MATCH_LEN_MIN;
+
+  p->repLenEncCounter = REP_LEN_COUNT;
+
+  LenPriceEnc_UpdateTables(&p->lenEnc, (unsigned)1 << p->pb, &p->lenProbs, p->ProbPrices);
+  LenPriceEnc_UpdateTables(&p->repLenEnc, (unsigned)1 << p->pb, &p->repLenProbs, p->ProbPrices);
+}
+
+static SRes LzmaEnc_AllocAndInit(CLzmaEnc *p, UInt32 keepWindowSize, ISzAllocPtr alloc, ISzAllocPtr allocBig)
+{
+  unsigned i;
+  for (i = kEndPosModelIndex / 2; i < kDicLogSizeMax; i++)
+    if (p->dictSize <= ((UInt32)1 << i))
+      break;
+  p->distTableSize = i * 2;
+
+  p->finished = False;
+  p->result = SZ_OK;
+  RINOK(LzmaEnc_Alloc(p, keepWindowSize, alloc, allocBig));
+  LzmaEnc_Init(p);
+  LzmaEnc_InitPrices(p);
+  p->nowPos64 = 0;
+  return SZ_OK;
+}
+
+static SRes LzmaEnc_Prepare(CLzmaEncHandle pp, ISeqOutStream *outStream, ISeqInStream *inStream,
+    ISzAllocPtr alloc, ISzAllocPtr allocBig)
+{
+  CLzmaEnc *p = (CLzmaEnc *)pp;
+  MFB.stream = inStream;
+  p->needInit = 1;
+  p->rc.outStream = outStream;
+  return LzmaEnc_AllocAndInit(p, 0, alloc, allocBig);
+}
+
+SRes LzmaEnc_PrepareForLzma2(CLzmaEncHandle pp,
+    ISeqInStream *inStream, UInt32 keepWindowSize,
+    ISzAllocPtr alloc, ISzAllocPtr allocBig)
+{
+  CLzmaEnc *p = (CLzmaEnc *)pp;
+  MFB.stream = inStream;
+  p->needInit = 1;
+  return LzmaEnc_AllocAndInit(p, keepWindowSize, alloc, allocBig);
+}
+
+static void LzmaEnc_SetInputBuf(CLzmaEnc *p, const Byte *src, SizeT srcLen)
+{
+  MFB.directInput = 1;
+  MFB.bufferBase = (Byte *)src;
+  MFB.directInputRem = srcLen;
+}
+
+SRes LzmaEnc_MemPrepare(CLzmaEncHandle pp, const Byte *src, SizeT srcLen,
+    UInt32 keepWindowSize, ISzAllocPtr alloc, ISzAllocPtr allocBig)
+{
+  CLzmaEnc *p = (CLzmaEnc *)pp;
+  LzmaEnc_SetInputBuf(p, src, srcLen);
+  p->needInit = 1;
+
+  LzmaEnc_SetDataSize(pp, srcLen);
+  return LzmaEnc_AllocAndInit(p, keepWindowSize, alloc, allocBig);
+}
+
+void LzmaEnc_Finish(CLzmaEncHandle pp)
+{
+  #ifndef _7ZIP_ST
+  CLzmaEnc *p = (CLzmaEnc *)pp;
+  if (p->mtMode)
+    MatchFinderMt_ReleaseStream(&p->matchFinderMt);
+  #else
+  UNUSED_VAR(pp);
+  #endif
+}
+
+
+typedef struct
+{
+  ISeqOutStream vt;
+  Byte *data;
+  SizeT rem;
+  BoolInt overflow;
+} CLzmaEnc_SeqOutStreamBuf;
+
+static size_t SeqOutStreamBuf_Write(const ISeqOutStream *pp, const void *data, size_t size)
+{
+  CLzmaEnc_SeqOutStreamBuf *p = CONTAINER_FROM_VTBL(pp, CLzmaEnc_SeqOutStreamBuf, vt);
+  if (p->rem < size)
+  {
+    size = p->rem;
+    p->overflow = True;
+  }
+  if (size != 0)
+  {
+    memcpy(p->data, data, size);
+    p->rem -= size;
+    p->data += size;
+  }
+  return size;
+}
+
+
+/*
+UInt32 LzmaEnc_GetNumAvailableBytes(CLzmaEncHandle pp)
+{
+  const CLzmaEnc *p = (CLzmaEnc *)pp;
+  return p->matchFinder.GetNumAvailableBytes(p->matchFinderObj);
+}
+*/
+
+const Byte *LzmaEnc_GetCurBuf(CLzmaEncHandle pp)
+{
+  const CLzmaEnc *p = (CLzmaEnc *)pp;
+  return p->matchFinder.GetPointerToCurrentPos(p->matchFinderObj) - p->additionalOffset;
+}
+
+
+SRes LzmaEnc_CodeOneMemBlock(CLzmaEncHandle pp, BoolInt reInit,
+    Byte *dest, size_t *destLen, UInt32 desiredPackSize, UInt32 *unpackSize)
+{
+  CLzmaEnc *p = (CLzmaEnc *)pp;
+  UInt64 nowPos64;
+  SRes res;
+  CLzmaEnc_SeqOutStreamBuf outStream;
+
+  outStream.vt.Write = SeqOutStreamBuf_Write;
+  outStream.data = dest;
+  outStream.rem = *destLen;
+  outStream.overflow = False;
+
+  p->writeEndMark = False;
+  p->finished = False;
+  p->result = SZ_OK;
+
+  if (reInit)
+    LzmaEnc_Init(p);
+  LzmaEnc_InitPrices(p);
+
+  nowPos64 = p->nowPos64;
+  RangeEnc_Init(&p->rc);
+  p->rc.outStream = &outStream.vt;
+
+  if (desiredPackSize == 0)
+    return SZ_ERROR_OUTPUT_EOF;
+
+  res = LzmaEnc_CodeOneBlock(p, desiredPackSize, *unpackSize);
+  
+  *unpackSize = (UInt32)(p->nowPos64 - nowPos64);
+  *destLen -= outStream.rem;
+  if (outStream.overflow)
+    return SZ_ERROR_OUTPUT_EOF;
+
+  return res;
+}
+
+
+MY_NO_INLINE
+static SRes LzmaEnc_Encode2(CLzmaEnc *p, ICompressProgress *progress)
+{
+  SRes res = SZ_OK;
+
+  #ifndef _7ZIP_ST
+  Byte allocaDummy[0x300];
+  allocaDummy[0] = 0;
+  allocaDummy[1] = allocaDummy[0];
+  #endif
+
+  for (;;)
+  {
+    res = LzmaEnc_CodeOneBlock(p, 0, 0);
+    if (res != SZ_OK || p->finished)
+      break;
+    if (progress)
+    {
+      res = ICompressProgress_Progress(progress, p->nowPos64, RangeEnc_GetProcessed(&p->rc));
+      if (res != SZ_OK)
+      {
+        res = SZ_ERROR_PROGRESS;
+        break;
+      }
+    }
+  }
+  
+  LzmaEnc_Finish(p);
+
+  /*
+  if (res == SZ_OK && !Inline_MatchFinder_IsFinishedOK(&MFB))
+    res = SZ_ERROR_FAIL;
+  }
+  */
+
+  return res;
+}
+
+
+SRes LzmaEnc_Encode(CLzmaEncHandle pp, ISeqOutStream *outStream, ISeqInStream *inStream, ICompressProgress *progress,
+    ISzAllocPtr alloc, ISzAllocPtr allocBig)
+{
+  RINOK(LzmaEnc_Prepare(pp, outStream, inStream, alloc, allocBig));
+  return LzmaEnc_Encode2((CLzmaEnc *)pp, progress);
+}
+
+
+SRes LzmaEnc_WriteProperties(CLzmaEncHandle pp, Byte *props, SizeT *size)
+{
+  if (*size < LZMA_PROPS_SIZE)
+    return SZ_ERROR_PARAM;
+  *size = LZMA_PROPS_SIZE;
+  {
+    const CLzmaEnc *p = (const CLzmaEnc *)pp;
+    const UInt32 dictSize = p->dictSize;
+    UInt32 v;
+    props[0] = (Byte)((p->pb * 5 + p->lp) * 9 + p->lc);
+    
+    // we write aligned dictionary value to properties for lzma decoder
+    if (dictSize >= ((UInt32)1 << 21))
+    {
+      const UInt32 kDictMask = ((UInt32)1 << 20) - 1;
+      v = (dictSize + kDictMask) & ~kDictMask;
+      if (v < dictSize)
+        v = dictSize;
+    }
+    else
+    {
+      unsigned i = 11 * 2;
+      do
+      {
+        v = (UInt32)(2 + (i & 1)) << (i >> 1);
+        i++;
+      }
+      while (v < dictSize);
+    }
+
+    SetUi32(props + 1, v);
+    return SZ_OK;
+  }
+}
+
+
+unsigned LzmaEnc_IsWriteEndMark(CLzmaEncHandle pp)
+{
+  return (unsigned)((CLzmaEnc *)pp)->writeEndMark;
+}
+
+
+SRes LzmaEnc_MemEncode(CLzmaEncHandle pp, Byte *dest, SizeT *destLen, const Byte *src, SizeT srcLen,
+    int writeEndMark, ICompressProgress *progress, ISzAllocPtr alloc, ISzAllocPtr allocBig)
+{
+  SRes res;
+  CLzmaEnc *p = (CLzmaEnc *)pp;
+
+  CLzmaEnc_SeqOutStreamBuf outStream;
+
+  outStream.vt.Write = SeqOutStreamBuf_Write;
+  outStream.data = dest;
+  outStream.rem = *destLen;
+  outStream.overflow = False;
+
+  p->writeEndMark = writeEndMark;
+  p->rc.outStream = &outStream.vt;
+
+  res = LzmaEnc_MemPrepare(pp, src, srcLen, 0, alloc, allocBig);
+  
+  if (res == SZ_OK)
+  {
+    res = LzmaEnc_Encode2(p, progress);
+    if (res == SZ_OK && p->nowPos64 != srcLen)
+      res = SZ_ERROR_FAIL;
+  }
+
+  *destLen -= outStream.rem;
+  if (outStream.overflow)
+    return SZ_ERROR_OUTPUT_EOF;
+  return res;
+}
+
+
+SRes LzmaEncode(Byte *dest, SizeT *destLen, const Byte *src, SizeT srcLen,
+    const CLzmaEncProps *props, Byte *propsEncoded, SizeT *propsSize, int writeEndMark,
+    ICompressProgress *progress, ISzAllocPtr alloc, ISzAllocPtr allocBig)
+{
+  CLzmaEnc *p = (CLzmaEnc *)LzmaEnc_Create(alloc);
+  SRes res;
+  if (!p)
+    return SZ_ERROR_MEM;
+
+  res = LzmaEnc_SetProps(p, props);
+  if (res == SZ_OK)
+  {
+    res = LzmaEnc_WriteProperties(p, propsEncoded, propsSize);
+    if (res == SZ_OK)
+      res = LzmaEnc_MemEncode(p, dest, destLen, src, srcLen,
+          writeEndMark, progress, alloc, allocBig);
+  }
+
+  LzmaEnc_Destroy(p, alloc, allocBig);
+  return res;
+}
+
+
+/*
+#ifndef _7ZIP_ST
+void LzmaEnc_GetLzThreads(CLzmaEncHandle pp, HANDLE lz_threads[2])
+{
+  const CLzmaEnc *p = (CLzmaEnc *)pp;
+  lz_threads[0] = p->matchFinderMt.hashSync.thread;
+  lz_threads[1] = p->matchFinderMt.btSync.thread;
+}
+#endif
+*/