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authororivej <orivej@yandex-team.ru>2022-02-10 16:44:49 +0300
committerDaniil Cherednik <dcherednik@yandex-team.ru>2022-02-10 16:44:49 +0300
commit718c552901d703c502ccbefdfc3c9028d608b947 (patch)
tree46534a98bbefcd7b1f3faa5b52c138ab27db75b7 /contrib/libs/lzmasdk/LzmaEnc.c
parente9656aae26e0358d5378e5b63dcac5c8dbe0e4d0 (diff)
downloadydb-718c552901d703c502ccbefdfc3c9028d608b947.tar.gz
Restoring authorship annotation for <orivej@yandex-team.ru>. Commit 1 of 2.
Diffstat (limited to 'contrib/libs/lzmasdk/LzmaEnc.c')
-rw-r--r--contrib/libs/lzmasdk/LzmaEnc.c3136
1 files changed, 1568 insertions, 1568 deletions
diff --git a/contrib/libs/lzmasdk/LzmaEnc.c b/contrib/libs/lzmasdk/LzmaEnc.c
index 0ee2922390..a1c81f7f1a 100644
--- a/contrib/libs/lzmasdk/LzmaEnc.c
+++ b/contrib/libs/lzmasdk/LzmaEnc.c
@@ -1,5 +1,5 @@
/* LzmaEnc.c -- LZMA Encoder
-2019-01-10: Igor Pavlov : Public domain */
+2019-01-10: Igor Pavlov : Public domain */
#include "Precomp.h"
@@ -38,8 +38,8 @@ static unsigned g_STAT_OFFSET = 0;
#define kNumBitPriceShiftBits 4
#define kBitPrice (1 << kNumBitPriceShiftBits)
-#define REP_LEN_COUNT 64
-
+#define REP_LEN_COUNT 64
+
void LzmaEncProps_Init(CLzmaEncProps *p)
{
p->level = 5;
@@ -104,9 +104,9 @@ UInt32 LzmaEncProps_GetDictSize(const CLzmaEncProps *props2)
#define BSR2_RET(pos, res) { unsigned long zz; _BitScanReverse(&zz, (pos)); res = (zz + zz) + ((pos >> (zz - 1)) & 1); }
-static unsigned GetPosSlot1(UInt32 pos)
+static unsigned GetPosSlot1(UInt32 pos)
{
- unsigned res;
+ unsigned res;
BSR2_RET(pos, res);
return res;
}
@@ -139,18 +139,18 @@ static void LzmaEnc_FastPosInit(Byte *g_FastPos)
/* we can use ((limit - pos) >> 31) only if (pos < ((UInt32)1 << 31)) */
/*
-#define BSR2_RET(pos, res) { unsigned zz = 6 + ((kNumLogBits - 1) & \
+#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) & \
+#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; \
+#define BSR2_RET(pos, res) { unsigned zz = (pos < (1 << (kNumLogBits + 6))) ? 6 : 6 + kNumLogBits - 1; \
res = p->g_FastPos[pos >> zz] + (zz * 2); }
/*
@@ -161,35 +161,35 @@ static void LzmaEnc_FastPosInit(Byte *g_FastPos)
#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); }
+#define GetPosSlot(pos, res) { if (pos < kNumFullDistances) res = p->g_FastPos[pos & (kNumFullDistances - 1)]; else BSR2_RET(pos, res); }
#endif
#define LZMA_NUM_REPS 4
-typedef UInt16 CState;
-typedef UInt16 CExtra;
+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)
+ 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
@@ -205,13 +205,13 @@ typedef struct
#define kEndPosModelIndex 14
#define kNumFullDistances (1 << (kEndPosModelIndex >> 1))
-typedef
+typedef
#ifdef _LZMA_PROB32
- UInt32
+ UInt32
#else
- UInt16
+ UInt16
#endif
- CLzmaProb;
+ CLzmaProb;
#define LZMA_PB_MAX 4
#define LZMA_LC_MAX 8
@@ -223,7 +223,7 @@ typedef
#define kLenNumLowSymbols (1 << kLenNumLowBits)
#define kLenNumHighBits 8
#define kLenNumHighSymbols (1 << kLenNumHighBits)
-#define kLenNumSymbolsTotal (kLenNumLowSymbols * 2 + kLenNumHighSymbols)
+#define kLenNumSymbolsTotal (kLenNumLowSymbols * 2 + kLenNumHighSymbols)
#define LZMA_MATCH_LEN_MIN 2
#define LZMA_MATCH_LEN_MAX (LZMA_MATCH_LEN_MIN + kLenNumSymbolsTotal - 1)
@@ -233,31 +233,31 @@ typedef
typedef struct
{
- CLzmaProb low[LZMA_NUM_PB_STATES_MAX << (kLenNumLowBits + 1)];
+ CLzmaProb low[LZMA_NUM_PB_STATES_MAX << (kLenNumLowBits + 1)];
CLzmaProb high[kLenNumHighSymbols];
} CLenEnc;
typedef struct
{
- unsigned tableSize;
+ unsigned tableSize;
UInt32 prices[LZMA_NUM_PB_STATES_MAX][kLenNumSymbolsTotal];
- // UInt32 prices1[LZMA_NUM_PB_STATES_MAX][kLenNumLowSymbols * 2];
- // UInt32 prices2[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)))
-*/
+#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;
+ unsigned cache;
UInt64 low;
UInt64 cacheSize;
Byte *buf;
@@ -273,77 +273,77 @@ typedef struct
{
CLzmaProb *litProbs;
- unsigned state;
+ unsigned state;
UInt32 reps[LZMA_NUM_REPS];
- CLzmaProb posAlignEncoder[1 << kNumAlignBits];
+ 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 isMatch[kNumStates][LZMA_NUM_PB_STATES_MAX];
CLzmaProb isRep0Long[kNumStates][LZMA_NUM_PB_STATES_MAX];
CLzmaProb posSlotEncoder[kNumLenToPosStates][1 << kNumPosSlotBits];
- CLzmaProb posEncoders[kNumFullDistances];
+ CLzmaProb posEncoders[kNumFullDistances];
- CLenEnc lenProbs;
- CLenEnc repLenProbs;
-
+ CLenEnc lenProbs;
+ CLenEnc repLenProbs;
+
} CSaveState;
-typedef UInt32 CProbPrice;
-
-
+typedef UInt32 CProbPrice;
+
+
typedef struct
{
void *matchFinderObj;
IMatchFinder matchFinder;
- unsigned optCur;
- unsigned optEnd;
+ unsigned optCur;
+ unsigned optEnd;
- unsigned longestMatchLen;
- unsigned numPairs;
+ unsigned longestMatchLen;
+ unsigned numPairs;
UInt32 numAvail;
- unsigned state;
- unsigned numFastBytes;
- unsigned additionalOffset;
+ unsigned state;
+ unsigned numFastBytes;
+ unsigned additionalOffset;
UInt32 reps[LZMA_NUM_REPS];
- unsigned lpMask, pbMask;
- CLzmaProb *litProbs;
- CRangeEnc rc;
-
- UInt32 backRes;
+ 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;
+ BoolInt fastMode;
+ BoolInt writeEndMark;
+ BoolInt finished;
+ BoolInt multiThread;
+ BoolInt needInit;
+ // BoolInt _maxMode;
UInt64 nowPos64;
- unsigned matchPriceCount;
- // unsigned alignPriceCount;
- int repLenEncCounter;
+ unsigned matchPriceCount;
+ // unsigned alignPriceCount;
+ int repLenEncCounter;
- unsigned distTableSize;
+ unsigned distTableSize;
UInt32 dictSize;
SRes result;
#ifndef _7ZIP_ST
- BoolInt mtMode;
- // begin of CMatchFinderMt is used in LZ thread
+ BoolInt mtMode;
+ // begin of CMatchFinderMt is used in LZ thread
CMatchFinderMt matchFinderMt;
- // end of CMatchFinderMt is used in BT and HASH threads
+ // end of CMatchFinderMt is used in BT and HASH threads
#endif
CMatchFinder matchFinderBase;
@@ -352,37 +352,37 @@ typedef struct
Byte pad[128];
#endif
- // LZ thread
- CProbPrice ProbPrices[kBitModelTotal >> kNumMoveReducingBits];
+ // LZ thread
+ CProbPrice ProbPrices[kBitModelTotal >> kNumMoveReducingBits];
UInt32 matches[LZMA_MATCH_LEN_MAX * 2 + 2 + 1];
- UInt32 alignPrices[kAlignTableSize];
+ UInt32 alignPrices[kAlignTableSize];
UInt32 posSlotPrices[kNumLenToPosStates][kDistTableSizeMax];
UInt32 distancesPrices[kNumLenToPosStates][kNumFullDistances];
- CLzmaProb posAlignEncoder[1 << kNumAlignBits];
+ 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 isMatch[kNumStates][LZMA_NUM_PB_STATES_MAX];
CLzmaProb isRep0Long[kNumStates][LZMA_NUM_PB_STATES_MAX];
CLzmaProb posSlotEncoder[kNumLenToPosStates][1 << kNumPosSlotBits];
- CLzmaProb posEncoders[kNumFullDistances];
+ CLzmaProb posEncoders[kNumFullDistances];
- CLenEnc lenProbs;
- CLenEnc repLenProbs;
-
- #ifndef LZMA_LOG_BSR
- Byte g_FastPos[1 << kNumLogBits];
- #endif
-
+ CLenEnc lenProbs;
+ CLenEnc repLenProbs;
+
+ #ifndef LZMA_LOG_BSR
+ Byte g_FastPos[1 << kNumLogBits];
+ #endif
+
CLenPriceEnc lenEnc;
CLenPriceEnc repLenEnc;
- COptimal opt[kNumOpts];
-
+ COptimal opt[kNumOpts];
+
CSaveState saveState;
#ifndef _7ZIP_ST
@@ -391,62 +391,62 @@ typedef struct
} CLzmaEnc;
-
-#define COPY_ARR(dest, src, arr) memcpy(dest->arr, src->arr, sizeof(src->arr));
-
+
+#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);
+
+ 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);
-
+ 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;
@@ -473,10 +473,10 @@ SRes LzmaEnc_SetProps(CLzmaEncHandle pp, const CLzmaEncProps *props2)
p->lp = props.lp;
p->pb = props.pb;
p->fastMode = (props.algo == 0);
- // p->_maxMode = True;
+ // p->_maxMode = True;
p->matchFinderBase.btMode = (Byte)(props.btMode ? 1 : 0);
{
- unsigned numHashBytes = 4;
+ unsigned numHashBytes = 4;
if (props.btMode)
{
if (props.numHashBytes < 2)
@@ -513,19 +513,19 @@ void LzmaEnc_SetDataSize(CLzmaEncHandle pp, UInt64 expectedDataSiize)
}
-#define kState_Start 0
-#define kState_LitAfterMatch 4
-#define kState_LitAfterRep 5
-#define kState_MatchAfterLit 7
-#define kState_RepAfterLit 8
+#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};
+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 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)
@@ -536,11 +536,11 @@ static void RangeEnc_Construct(CRangeEnc *p)
p->bufBase = NULL;
}
-#define RangeEnc_GetProcessed(p) ((p)->processed + ((p)->buf - (p)->bufBase) + (p)->cacheSize)
-#define RangeEnc_GetProcessed_sizet(p) ((size_t)(p)->processed + ((p)->buf - (p)->bufBase) + (size_t)(p)->cacheSize)
+#define RangeEnc_GetProcessed(p) ((p)->processed + ((p)->buf - (p)->bufBase) + (p)->cacheSize)
+#define RangeEnc_GetProcessed_sizet(p) ((size_t)(p)->processed + ((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)
@@ -564,8 +564,8 @@ static void RangeEnc_Init(CRangeEnc *p)
/* Stream.Init(); */
p->range = 0xFFFFFFFF;
p->cache = 0;
- p->low = 0;
- p->cacheSize = 0;
+ p->low = 0;
+ p->cacheSize = 0;
p->buf = p->bufBase;
@@ -573,7 +573,7 @@ static void RangeEnc_Init(CRangeEnc *p)
p->res = SZ_OK;
}
-MY_NO_INLINE static void RangeEnc_FlushStream(CRangeEnc *p)
+MY_NO_INLINE static void RangeEnc_FlushStream(CRangeEnc *p)
{
size_t num;
if (p->res != SZ_OK)
@@ -585,34 +585,34 @@ MY_NO_INLINE static void RangeEnc_FlushStream(CRangeEnc *p)
p->buf = p->bufBase;
}
-MY_NO_INLINE static void MY_FAST_CALL RangeEnc_ShiftLow(CRangeEnc *p)
+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)
+ 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);
+ *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;
+ 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++;
}
@@ -624,121 +624,121 @@ static void RangeEnc_FlushData(CRangeEnc *p)
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 += (Int32)(mask - ttt) >> kNumMoveBits; \
- *(prob) = (CLzmaProb)ttt; \
- RC_NORM(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) \
}
-#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)
+#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 += (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;
+ 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)
+static void LitEnc_Encode(CRangeEnc *p, CLzmaProb *probs, UInt32 sym)
{
- UInt32 range = p->range;
- sym |= 0x100;
+ 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);
+ 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;
+ while (sym < 0x10000);
+ p->range = range;
}
-static void LitEnc_EncodeMatched(CRangeEnc *p, CLzmaProb *probs, UInt32 sym, UInt32 matchByte)
+static void LitEnc_EncodeMatched(CRangeEnc *p, CLzmaProb *probs, UInt32 sym, UInt32 matchByte)
{
- UInt32 range = p->range;
+ UInt32 range = p->range;
UInt32 offs = 0x100;
- sym |= 0x100;
+ sym |= 0x100;
do
{
- UInt32 ttt, newBound;
- CLzmaProb *prob;
- UInt32 bit;
+ 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);
+ // 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;
+ while (sym < 0x10000);
+ p->range = range;
}
-
-
-static void LzmaEnc_InitPriceTables(CProbPrice *ProbPrices)
+
+
+static void LzmaEnc_InitPriceTables(CProbPrice *ProbPrices)
{
UInt32 i;
- for (i = 0; i < (kBitModelTotal >> kNumMoveReducingBits); i++)
+ for (i = 0; i < (kBitModelTotal >> kNumMoveReducingBits); i++)
{
- const unsigned kCyclesBits = kNumBitPriceShiftBits;
- UInt32 w = (i << kNumMoveReducingBits) + (1 << (kNumMoveReducingBits - 1));
- unsigned bitCount = 0;
- unsigned j;
+ 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;
@@ -749,72 +749,72 @@ static void LzmaEnc_InitPriceTables(CProbPrice *ProbPrices)
bitCount++;
}
}
- ProbPrices[i] = (CProbPrice)((kNumBitModelTotalBits << kCyclesBits) - 15 - bitCount);
- // printf("\n%3d: %5d", i, ProbPrices[i]);
+ ProbPrices[i] = (CProbPrice)((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_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_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]
+#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)
+
+static UInt32 LitEnc_GetPrice(const CLzmaProb *probs, UInt32 sym, const CProbPrice *ProbPrices)
{
UInt32 price = 0;
- sym |= 0x100;
+ sym |= 0x100;
do
{
- unsigned bit = sym & 1;
- sym >>= 1;
- price += GET_PRICEa(probs[sym], bit);
+ unsigned bit = sym & 1;
+ sym >>= 1;
+ price += GET_PRICEa(probs[sym], bit);
}
- while (sym >= 2);
+ while (sym >= 2);
return price;
}
-
-static UInt32 LitEnc_Matched_GetPrice(const CLzmaProb *probs, UInt32 sym, UInt32 matchByte, const CProbPrice *ProbPrices)
+
+static UInt32 LitEnc_Matched_GetPrice(const CLzmaProb *probs, UInt32 sym, UInt32 matchByte, const CProbPrice *ProbPrices)
{
UInt32 price = 0;
UInt32 offs = 0x100;
- sym |= 0x100;
+ sym |= 0x100;
do
{
matchByte <<= 1;
- price += GET_PRICEa(probs[offs + (matchByte & offs) + (sym >> 8)], (sym >> 7) & 1);
- sym <<= 1;
- offs &= ~(matchByte ^ sym);
+ price += GET_PRICEa(probs[offs + (matchByte & offs) + (sym >> 8)], (sym >> 7) & 1);
+ sym <<= 1;
+ offs &= ~(matchByte ^ sym);
}
- while (sym < 0x10000);
+ while (sym < 0x10000);
return price;
}
-static void RcTree_ReverseEncode(CRangeEnc *rc, CLzmaProb *probs, unsigned numBits, unsigned sym)
+static void RcTree_ReverseEncode(CRangeEnc *rc, CLzmaProb *probs, unsigned numBits, unsigned sym)
{
- UInt32 range = rc->range;
- unsigned m = 1;
- do
+ 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);
+ 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;
+ while (--numBits);
+ rc->range = range;
}
@@ -822,582 +822,582 @@ static void RcTree_ReverseEncode(CRangeEnc *rc, CLzmaProb *probs, unsigned numBi
static void LenEnc_Init(CLenEnc *p)
{
unsigned i;
- for (i = 0; i < (LZMA_NUM_PB_STATES_MAX << (kLenNumLowBits + 1)); 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)
+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)
+ 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);
+ 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;
+ 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;
+ sym -= kLenNumLowSymbols;
}
- // RcTree_Encode(rc, probs + (posState << kLenNumLowBits), kLenNumLowBits, sym);
+ // 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;
+ 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);
- }
+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)
+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]);
- }
- */
+ 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);
+ }
+ }
+ }
+}
- // 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)); }
-
+#define MOVE_POS(p, num) { \
+ p->additionalOffset += (num); \
+ p->matchFinder.Skip(p->matchFinderObj, (UInt32)(num)); }
-static unsigned ReadMatchDistances(CLzmaEnc *p, unsigned *numPairsRes)
+
+static unsigned ReadMatchDistances(CLzmaEnc *p, unsigned *numPairsRes)
{
- unsigned numPairs;
-
- p->additionalOffset++;
+ unsigned numPairs;
+
+ p->additionalOffset++;
p->numAvail = p->matchFinder.GetNumAvailableBytes(p->matchFinderObj);
numPairs = p->matchFinder.GetMatches(p->matchFinderObj, p->matches);
- *numPairsRes = numPairs;
+ *numPairsRes = numPairs;
#ifdef SHOW_STAT
printf("\n i = %u numPairs = %u ", g_STAT_OFFSET, numPairs / 2);
g_STAT_OFFSET++;
{
- unsigned i;
+ 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;
+ if (numPairs == 0)
+ return 0;
{
- unsigned len = p->matches[(size_t)numPairs - 2];
- if (len != p->numFastBytes)
- return len;
+ 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 Byte *p1 = p->matchFinder.GetPointerToCurrentPos(p->matchFinderObj) - 1;
+ const Byte *p2 = p1 + len;
ptrdiff_t dif = (ptrdiff_t)-1 - p->matches[(size_t)numPairs - 1];
- const Byte *lim = p1 + numAvail;
- for (; p2 != lim && *p2 == p2[dif]; p2++)
- {}
- return (unsigned)(p2 - p1);
+ const Byte *lim = p1 + numAvail;
+ for (; p2 != lim && *p2 == p2[dif]; p2++)
+ {}
+ return (unsigned)(p2 - p1);
}
}
}
}
-#define MARK_LIT ((UInt32)(Int32)-1)
+#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 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)
+#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];
+ UInt32 prob = p->isRepG0[state];
if (repIndex == 0)
{
- price = GET_PRICE_0(prob);
+ price = GET_PRICE_0(prob);
price += GET_PRICE_1(p->isRep0Long[state][posState]);
}
else
{
- price = GET_PRICE_1(prob);
- prob = p->isRepG1[state];
+ price = GET_PRICE_1(prob);
+ prob = p->isRepG1[state];
if (repIndex == 1)
- price += GET_PRICE_0(prob);
+ price += GET_PRICE_0(prob);
else
{
- price += GET_PRICE_1(prob);
+ price += GET_PRICE_1(prob);
price += GET_PRICE(p->isRepG2[state], repIndex - 2);
}
}
return price;
}
-
-static unsigned Backward(CLzmaEnc *p, unsigned cur)
+
+static unsigned Backward(CLzmaEnc *p, unsigned cur)
{
- unsigned wr = cur + 1;
- p->optEnd = wr;
+ unsigned wr = cur + 1;
+ p->optEnd = wr;
- for (;;)
+ 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)
+ 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)
+ 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;
+ 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)
+
+ if (cur == 0)
{
- p->backRes = dist;
- p->optCur = wr;
- return len;
+ p->backRes = dist;
+ p->optCur = wr;
+ return len;
}
-
- wr--;
- p->opt[wr].dist = dist;
- p->opt[wr].len = (UInt32)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))
+#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;
+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
+ 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;
+ mainLen = p->longestMatchLen;
+ numPairs = p->numPairs;
}
-
- numAvail = p->numAvail;
- if (numAvail < 2)
+
+ numAvail = p->numAvail;
+ if (numAvail < 2)
{
- p->backRes = MARK_LIT;
- return 1;
+ 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++)
+ 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])
+ 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;
+ repLens[i] = 0;
+ continue;
}
- for (len = 2; len < numAvail && data[len] == data2[len]; len++)
- {}
- repLens[i] = len;
- if (len > repLens[repMaxIndex])
- repMaxIndex = i;
- }
-
- if (repLens[repMaxIndex] >= p->numFastBytes)
- {
- unsigned len;
- p->backRes = (UInt32)repMaxIndex;
- len = repLens[repMaxIndex];
- MOVE_POS(p, len - 1)
- return len;
+ for (len = 2; len < numAvail && data[len] == data2[len]; len++)
+ {}
+ repLens[i] = len;
+ if (len > repLens[repMaxIndex])
+ repMaxIndex = i;
}
-
- 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);
-
+
+ if (repLens[repMaxIndex] >= p->numFastBytes)
+ {
+ unsigned len;
+ p->backRes = (UInt32)repMaxIndex;
+ len = repLens[repMaxIndex];
+ MOVE_POS(p, len - 1)
+ return len;
+ }
+
+ 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)
{
- 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)
+ 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]);
+ p->opt[1].price = shortRepPrice;
+ MakeAs_ShortRep(&p->opt[1]);
}
- if (last < 2)
+ if (last < 2)
{
- p->backRes = p->opt[1].dist;
- return 1;
+ 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
+ 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;
- }
+ 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);
+ 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;
-
+
+
+ // ---------- 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++)
+ for (i = cur; i <= last; i++)
printf("\nprice[%4X] = %u", position - cur + i, p->opt[i].price);
}
#endif
}
-
-
- // ---------- Optimal Parsing ----------
-
+
+
+ // ---------- Optimal Parsing ----------
+
for (;;)
{
- unsigned numAvail;
- UInt32 numAvailFull;
- unsigned newLen, numPairs, prev, state, posState, startLen;
- UInt32 litPrice, matchPrice, repMatchPrice;
- BoolInt nextIsLit;
+ 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;
- }
+ 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;
+ p->longestMatchLen = newLen;
+ break;
}
-
- curOpt = &p->opt[cur];
-
+
+ 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)
+
+ // 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;
+ state = (unsigned)p->opt[prev].state;
if (IsShortRep(curOpt))
state = kShortRepNextStates[state];
else
@@ -1406,498 +1406,498 @@ static unsigned GetOptimum(CLzmaEnc *p, UInt32 position)
else
{
const COptimal *prevOpt;
- UInt32 b0;
- UInt32 dist = curOpt->dist;
-
- if (curOpt->extra)
+ 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);
+ 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 = (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)
+
+ 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];
- }
- }
+ 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];
+ 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];
+ 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]);
+ 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 ]
- */
-
+ /*
+ 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);
+ 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
+ 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;
- }
+ 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;
+ 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
+ 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;
+ 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)
+ // 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])
+ 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 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 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);
+ 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++)
+ // ---------- 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 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 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);
+ 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) */
+ 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;
+ // ---------- 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])
+
+ 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);
+ 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)
- {
+ // 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
+ 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;
- }
+ 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);
+ // while (len2 >= 3);
}
}
- }
+ }
}
- }
+ }
}
-
-
- // ---------- MATCH ----------
- /* for (unsigned len = 2; len <= newLen; len++) */
+
+
+ // ---------- 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;
+ matches[numPairs] = (UInt32)newLen;
numPairs += 2;
}
-
- // startLen = 2; /* speed optimization */
-
+
+ // 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;
- }
+ 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++)
+ 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);
+ 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;
- }
+ 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 (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 (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])
+
+ 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
+ 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;
+ UInt32 price2;
COptimal *opt;
- len2--;
- // price2 = price + GetPrice_Len_Rep_0(p, len2, state2, posState2);
- price2 = price + GET_PRICE_LEN(&p->repLenEnc, posState2, len2);
+ 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)
+ // offset--;
+ if (price2 < opt->price)
{
- opt->price = price2;
- opt->len = (UInt32)len2;
- opt->extra = (CExtra)(len + 1);
- opt->dist = dist + LZMA_NUM_REPS;
+ opt->price = price2;
+ opt->len = (UInt32)len2;
+ opt->extra = (CExtra)(len + 1);
+ opt->dist = dist + LZMA_NUM_REPS;
}
}
- // while (len2 >= 3);
+ // while (len2 >= 3);
}
-
- }
-
+
+ }
+
offs += 2;
if (offs == numPairs)
break;
- dist = matches[(size_t)offs + 1];
- // if (dist >= kNumFullDistances)
- GetPosSlot2(dist, posSlot);
+ dist = matches[(size_t)offs + 1];
+ // if (dist >= kNumFullDistances)
+ GetPosSlot2(dist, posSlot);
}
}
}
}
-
- do
- p->opt[last].price = kInfinityPrice;
- while (--last);
-
- return Backward(p, cur);
+
+ do
+ p->opt[last].price = kInfinityPrice;
+ while (--last);
+
+ return Backward(p, cur);
}
-
-
+
+
#define ChangePair(smallDist, bigDist) (((bigDist) >> 7) > (smallDist))
-
-
-static unsigned GetOptimumFast(CLzmaEnc *p)
+
+
+static unsigned GetOptimumFast(CLzmaEnc *p)
{
- UInt32 numAvail, mainDist;
- unsigned mainLen, numPairs, repIndex, repLen, i;
+ UInt32 numAvail, mainDist;
+ unsigned mainLen, numPairs, repIndex, repLen, i;
const Byte *data;
if (p->additionalOffset == 0)
mainLen = ReadMatchDistances(p, &numPairs);
else
{
- mainLen = p->longestMatchLen;
+ mainLen = p->longestMatchLen;
numPairs = p->numPairs;
}
numAvail = p->numAvail;
- p->backRes = MARK_LIT;
+ p->backRes = MARK_LIT;
if (numAvail < 2)
return 1;
- // if (mainLen < 2 && p->state == 0) return 1; // 18.06.notused
+ // 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];
+ 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++)
- {}
+ for (len = 2; len < numAvail && data[len] == data2[len]; len++)
+ {}
if (len >= p->numFastBytes)
{
- p->backRes = (UInt32)i;
- MOVE_POS(p, len - 1)
+ p->backRes = (UInt32)i;
+ MOVE_POS(p, len - 1)
return len;
}
if (len > repLen)
@@ -1909,39 +1909,39 @@ static unsigned GetOptimumFast(CLzmaEnc *p)
if (mainLen >= p->numFastBytes)
{
- p->backRes = p->matches[(size_t)numPairs - 1] + LZMA_NUM_REPS;
- MOVE_POS(p, mainLen - 1)
+ 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)
+ 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))
+ 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;
+ 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)))
+ 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)
+ p->backRes = (UInt32)repIndex;
+ MOVE_POS(p, repLen - 1)
return repLen;
}
@@ -1949,110 +1949,110 @@ static unsigned GetOptimumFast(CLzmaEnc *p)
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;
- }
+ 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];
+ 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)
+ 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)
- }
+
+
+
+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;
+ 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)
@@ -2066,8 +2066,8 @@ static SRes CheckErrors(CLzmaEnc *p)
return p->result;
}
-
-MY_NO_INLINE static SRes Flush(CLzmaEnc *p, UInt32 nowPos)
+
+MY_NO_INLINE static SRes Flush(CLzmaEnc *p, UInt32 nowPos)
{
/* ReleaseMFStream(); */
p->finished = True;
@@ -2078,126 +2078,126 @@ MY_NO_INLINE static SRes Flush(CLzmaEnc *p, UInt32 nowPos)
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 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)
+
+MY_NO_INLINE static void FillDistancesPrices(CLzmaEnc *p)
{
- // int y; for (y = 0; y < 100; y++) {
-
+ // 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 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);
- }
+ 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++)
+ 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);
- }
- }
+ 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];
- }
+ 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];
+ }
}
}
- // }
+ // }
}
-
-
+
+
void LzmaEnc_Construct(CLzmaEnc *p)
{
RangeEnc_Construct(&p->rc);
@@ -2221,7 +2221,7 @@ void LzmaEnc_Construct(CLzmaEnc *p)
LzmaEnc_InitPriceTables(p->ProbPrices);
p->litProbs = NULL;
p->saveState.litProbs = NULL;
-
+
}
CLzmaEncHandle LzmaEnc_Create(ISzAllocPtr alloc)
@@ -2258,7 +2258,7 @@ void LzmaEnc_Destroy(CLzmaEncHandle p, ISzAllocPtr alloc, ISzAllocPtr allocBig)
ISzAlloc_Free(alloc, p);
}
-
+
SRes LzmaEnc_CodeOneBlock(CLzmaEncHandle pp, UInt32 maxPackSize, UInt32 maxUnpackSize)
{
CLzmaEnc *p = (CLzmaEnc *) pp;
@@ -2278,13 +2278,13 @@ SRes LzmaEnc_CodeOneBlock(CLzmaEncHandle pp, UInt32 maxPackSize, UInt32 maxUnpac
if (p->nowPos64 == 0)
{
- unsigned numPairs;
+ 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];
+ 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--;
@@ -2292,253 +2292,253 @@ SRes LzmaEnc_CodeOneBlock(CLzmaEncHandle pp, UInt32 maxPackSize, UInt32 maxUnpac
}
if (p->matchFinder.GetNumAvailableBytes(p->matchFinderObj) != 0)
-
+
for (;;)
{
- UInt32 dist;
- unsigned len, posState;
- UInt32 range, ttt, newBound;
- CLzmaProb *probs;
-
+ UInt32 dist;
+ unsigned len, posState;
+ UInt32 range, ttt, newBound;
+ CLzmaProb *probs;
+
if (p->fastMode)
- len = GetOptimumFast(p);
+ 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;
-
+ {
+ 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);
+ printf("\n pos = %6X, len = %3u pos = %6u", nowPos32, len, dist);
#endif
- if (dist == MARK_LIT)
+ if (dist == MARK_LIT)
{
Byte curByte;
const Byte *data;
- unsigned state;
+ unsigned state;
- RC_BIT_0(&p->rc, probs);
- p->rc.range = range;
+ RC_BIT_0(&p->rc, probs);
+ p->rc.range = range;
data = p->matchFinder.GetPointerToCurrentPos(p->matchFinderObj) - p->additionalOffset;
- probs = LIT_PROBS(nowPos32, *(data - 1));
+ probs = LIT_PROBS(nowPos32, *(data - 1));
curByte = *data;
- state = p->state;
- p->state = kLiteralNextStates[state];
- if (IsLitState(state))
+ 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]));
+ 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->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_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];
- }
+ 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];
- }
+ 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];
+ 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;
+ p->reps[0] = dist;
}
-
- RC_NORM(&p->rc)
-
- p->rc.range = range;
-
- if (len != 1)
+
+ 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;
+ 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;
+ 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;
- }
+
+ 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;
- if (dist >= kStartPosModelIndex)
+ p->matchPriceCount++;
+ GetPosSlot(dist, posSlot);
+ // RcTree_Encode_PosSlot(&p->rc, p->posSlotEncoder[GetLenToPosState(len)], posSlot);
{
- 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 */));
- }
+ 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++;
- }
+ 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;
+
+ 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)
+ /*
+ 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)
- {
+ 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, 1 << p->pb, &p->lenProbs, p->ProbPrices);
- }
- if (p->repLenEncCounter <= 0)
- {
- p->repLenEncCounter = REP_LEN_COUNT;
- LenPriceEnc_UpdateTables(&p->repLenEnc, 1 << p->pb, &p->repLenProbs, p->ProbPrices);
- }
+ // { int y; for (y = 0; y < 100; y++) {
+ FillDistancesPrices(p);
+ // }}
+ LenPriceEnc_UpdateTables(&p->lenEnc, 1 << p->pb, &p->lenProbs, p->ProbPrices);
+ }
+ if (p->repLenEncCounter <= 0)
+ {
+ p->repLenEncCounter = REP_LEN_COUNT;
+ LenPriceEnc_UpdateTables(&p->repLenEnc, 1 << p->pb, &p->repLenProbs, p->ProbPrices);
+ }
}
-
+
if (p->matchFinder.GetNumAvailableBytes(p->matchFinderObj) == 0)
break;
processed = nowPos32 - startPos32;
-
- if (maxPackSize)
+
+ if (maxPackSize)
{
- if (processed + kNumOpts + 300 >= maxUnpackSize
- || RangeEnc_GetProcessed_sizet(&p->rc) + kPackReserve >= maxPackSize)
+ if (processed + kNumOpts + 300 >= maxUnpackSize
+ || RangeEnc_GetProcessed_sizet(&p->rc) + kPackReserve >= maxPackSize)
break;
}
else if (processed >= (1 << 17))
@@ -2548,13 +2548,13 @@ SRes LzmaEnc_CodeOneBlock(CLzmaEncHandle pp, UInt32 maxPackSize, UInt32 maxUnpac
}
}
}
-
+
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)
@@ -2591,10 +2591,10 @@ static SRes LzmaEnc_Alloc(CLzmaEnc *p, UInt32 keepWindowSize, ISzAllocPtr alloc,
#ifndef _7ZIP_ST
if (p->mtMode)
{
- RINOK(MatchFinderMt_Create(&p->matchFinderMt, p->dictSize, beforeSize, p->numFastBytes,
- LZMA_MATCH_LEN_MAX
- + 1 /* 18.04 */
- , allocBig));
+ RINOK(MatchFinderMt_Create(&p->matchFinderMt, p->dictSize, beforeSize, p->numFastBytes,
+ LZMA_MATCH_LEN_MAX
+ + 1 /* 18.04 */
+ , allocBig));
p->matchFinderObj = &p->matchFinderMt;
p->matchFinderBase.bigHash = (Byte)(
(p->dictSize > kBigHashDicLimit && p->matchFinderBase.hashMask >= 0xFFFFFF) ? 1 : 0);
@@ -2614,21 +2614,21 @@ static SRes LzmaEnc_Alloc(CLzmaEnc *p, UInt32 keepWindowSize, ISzAllocPtr alloc,
void LzmaEnc_Init(CLzmaEnc *p)
{
- unsigned i;
+ unsigned i;
p->state = 0;
- p->reps[0] =
- p->reps[1] =
- p->reps[2] =
- p->reps[3] = 1;
+ 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 < (1 << kNumAlignBits); i++)
+ p->posAlignEncoder[i] = kProbInitValue;
for (i = 0; i < kNumStates; i++)
{
- unsigned j;
+ unsigned j;
for (j = 0; j < LZMA_NUM_PB_STATES_MAX; j++)
{
p->isMatch[i][j] = kProbInitValue;
@@ -2644,43 +2644,43 @@ void LzmaEnc_Init(CLzmaEnc *p)
for (i = 0; i < kNumLenToPosStates; i++)
{
CLzmaProb *probs = p->posSlotEncoder[i];
- unsigned j;
+ unsigned j;
for (j = 0; j < (1 << kNumPosSlotBits); j++)
probs[j] = kProbInitValue;
}
}
{
- for (i = 0; i < kNumFullDistances; i++)
+ 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;
+ {
+ UInt32 num = (UInt32)0x300 << (p->lp + p->lc);
+ UInt32 k;
+ CLzmaProb *probs = p->litProbs;
+ for (k = 0; k < num; k++)
+ probs[k] = kProbInitValue;
+ }
- {
- for (i = 0; i < kNumOpts; i++)
- p->opt[i].price = kInfinityPrice;
- }
+ 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 = (1 << p->pb) - 1;
- p->lpMask = ((UInt32)0x100 << p->lp) - ((unsigned)0x100 >> p->lc);
+ p->lpMask = ((UInt32)0x100 << p->lp) - ((unsigned)0x100 >> p->lc);
}
-
+
void LzmaEnc_InitPrices(CLzmaEnc *p)
{
if (!p->fastMode)
@@ -2692,17 +2692,17 @@ void LzmaEnc_InitPrices(CLzmaEnc *p)
p->lenEnc.tableSize =
p->repLenEnc.tableSize =
p->numFastBytes + 1 - LZMA_MATCH_LEN_MIN;
-
- p->repLenEncCounter = REP_LEN_COUNT;
-
- LenPriceEnc_UpdateTables(&p->lenEnc, 1 << p->pb, &p->lenProbs, p->ProbPrices);
- LenPriceEnc_UpdateTables(&p->repLenEnc, 1 << p->pb, &p->repLenProbs, p->ProbPrices);
+
+ p->repLenEncCounter = REP_LEN_COUNT;
+
+ LenPriceEnc_UpdateTables(&p->lenEnc, 1 << p->pb, &p->lenProbs, p->ProbPrices);
+ LenPriceEnc_UpdateTables(&p->repLenEnc, 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++)
+ unsigned i;
+ for (i = kEndPosModelIndex / 2; i < kDicLogSizeMax; i++)
if (p->dictSize <= ((UInt32)1 << i))
break;
p->distTableSize = i * 2;
@@ -2771,7 +2771,7 @@ typedef struct
ISeqOutStream vt;
Byte *data;
SizeT rem;
- BoolInt overflow;
+ BoolInt overflow;
} CLzmaEnc_SeqOutStreamBuf;
static size_t SeqOutStreamBuf_Write(const ISeqOutStream *pp, const void *data, size_t size)
@@ -2803,7 +2803,7 @@ const Byte *LzmaEnc_GetCurBuf(CLzmaEncHandle pp)
}
-SRes LzmaEnc_CodeOneMemBlock(CLzmaEncHandle pp, BoolInt reInit,
+SRes LzmaEnc_CodeOneMemBlock(CLzmaEncHandle pp, BoolInt reInit,
Byte *dest, size_t *destLen, UInt32 desiredPackSize, UInt32 *unpackSize)
{
CLzmaEnc *p = (CLzmaEnc *)pp;
@@ -2823,15 +2823,15 @@ SRes LzmaEnc_CodeOneMemBlock(CLzmaEncHandle pp, BoolInt reInit,
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);
+ if (desiredPackSize == 0)
+ return SZ_ERROR_OUTPUT_EOF;
+
+ res = LzmaEnc_CodeOneBlock(p, desiredPackSize, *unpackSize);
*unpackSize = (UInt32)(p->nowPos64 - nowPos64);
*destLen -= outStream.rem;
@@ -2854,7 +2854,7 @@ static SRes LzmaEnc_Encode2(CLzmaEnc *p, ICompressProgress *progress)
for (;;)
{
- res = LzmaEnc_CodeOneBlock(p, 0, 0);
+ res = LzmaEnc_CodeOneBlock(p, 0, 0);
if (res != SZ_OK || p->finished)
break;
if (progress)