diff options
Diffstat (limited to 'payloads/bayou/util/pbuilder/lzma/C/7zip/Compress/RangeCoder')
5 files changed, 523 insertions, 523 deletions
diff --git a/payloads/bayou/util/pbuilder/lzma/C/7zip/Compress/RangeCoder/RangeCoder.h b/payloads/bayou/util/pbuilder/lzma/C/7zip/Compress/RangeCoder/RangeCoder.h index 9828bc4b94..d77442be45 100644 --- a/payloads/bayou/util/pbuilder/lzma/C/7zip/Compress/RangeCoder/RangeCoder.h +++ b/payloads/bayou/util/pbuilder/lzma/C/7zip/Compress/RangeCoder/RangeCoder.h @@ -1,205 +1,205 @@ -// Compress/RangeCoder/RangeCoder.h
-
-#ifndef __COMPRESS_RANGECODER_H
-#define __COMPRESS_RANGECODER_H
-
-#include "../../Common/InBuffer.h"
-#include "../../Common/OutBuffer.h"
-
-namespace NCompress {
-namespace NRangeCoder {
-
-const int kNumTopBits = 24;
-const UInt32 kTopValue = (1 << kNumTopBits);
-
-class CEncoder
-{
- UInt32 _cacheSize;
- Byte _cache;
-public:
- UInt64 Low;
- UInt32 Range;
- COutBuffer Stream;
- bool Create(UInt32 bufferSize) { return Stream.Create(bufferSize); }
-
- void SetStream(ISequentialOutStream *stream) { Stream.SetStream(stream); }
- void Init()
- {
- Stream.Init();
- Low = 0;
- Range = 0xFFFFFFFF;
- _cacheSize = 1;
- _cache = 0;
- }
-
- void FlushData()
- {
- // Low += 1;
- for(int i = 0; i < 5; i++)
- ShiftLow();
- }
-
- HRESULT FlushStream() { return Stream.Flush(); }
-
- void ReleaseStream() { Stream.ReleaseStream(); }
-
- void Encode(UInt32 start, UInt32 size, UInt32 total)
- {
- Low += start * (Range /= total);
- Range *= size;
- while (Range < kTopValue)
- {
- Range <<= 8;
- ShiftLow();
- }
- }
-
- void ShiftLow()
- {
- if ((UInt32)Low < (UInt32)0xFF000000 || (int)(Low >> 32) != 0)
- {
- Byte temp = _cache;
- do
- {
- Stream.WriteByte((Byte)(temp + (Byte)(Low >> 32)));
- temp = 0xFF;
- }
- while(--_cacheSize != 0);
- _cache = (Byte)((UInt32)Low >> 24);
- }
- _cacheSize++;
- Low = (UInt32)Low << 8;
- }
-
- void EncodeDirectBits(UInt32 value, int numTotalBits)
- {
- for (int i = numTotalBits - 1; i >= 0; i--)
- {
- Range >>= 1;
- if (((value >> i) & 1) == 1)
- Low += Range;
- if (Range < kTopValue)
- {
- Range <<= 8;
- ShiftLow();
- }
- }
- }
-
- void EncodeBit(UInt32 size0, UInt32 numTotalBits, UInt32 symbol)
- {
- UInt32 newBound = (Range >> numTotalBits) * size0;
- if (symbol == 0)
- Range = newBound;
- else
- {
- Low += newBound;
- Range -= newBound;
- }
- while (Range < kTopValue)
- {
- Range <<= 8;
- ShiftLow();
- }
- }
-
- UInt64 GetProcessedSize() { return Stream.GetProcessedSize() + _cacheSize + 4; }
-};
-
-class CDecoder
-{
-public:
- CInBuffer Stream;
- UInt32 Range;
- UInt32 Code;
- bool Create(UInt32 bufferSize) { return Stream.Create(bufferSize); }
-
- void Normalize()
- {
- while (Range < kTopValue)
- {
- Code = (Code << 8) | Stream.ReadByte();
- Range <<= 8;
- }
- }
-
- void SetStream(ISequentialInStream *stream) { Stream.SetStream(stream); }
- void Init()
- {
- Stream.Init();
- Code = 0;
- Range = 0xFFFFFFFF;
- for(int i = 0; i < 5; i++)
- Code = (Code << 8) | Stream.ReadByte();
- }
-
- void ReleaseStream() { Stream.ReleaseStream(); }
-
- UInt32 GetThreshold(UInt32 total)
- {
- return (Code) / ( Range /= total);
- }
-
- void Decode(UInt32 start, UInt32 size)
- {
- Code -= start * Range;
- Range *= size;
- Normalize();
- }
-
- UInt32 DecodeDirectBits(int numTotalBits)
- {
- UInt32 range = Range;
- UInt32 code = Code;
- UInt32 result = 0;
- for (int i = numTotalBits; i != 0; i--)
- {
- range >>= 1;
- /*
- result <<= 1;
- if (code >= range)
- {
- code -= range;
- result |= 1;
- }
- */
- UInt32 t = (code - range) >> 31;
- code -= range & (t - 1);
- result = (result << 1) | (1 - t);
-
- if (range < kTopValue)
- {
- code = (code << 8) | Stream.ReadByte();
- range <<= 8;
- }
- }
- Range = range;
- Code = code;
- return result;
- }
-
- UInt32 DecodeBit(UInt32 size0, UInt32 numTotalBits)
- {
- UInt32 newBound = (Range >> numTotalBits) * size0;
- UInt32 symbol;
- if (Code < newBound)
- {
- symbol = 0;
- Range = newBound;
- }
- else
- {
- symbol = 1;
- Code -= newBound;
- Range -= newBound;
- }
- Normalize();
- return symbol;
- }
-
- UInt64 GetProcessedSize() {return Stream.GetProcessedSize(); }
-};
-
-}}
-
-#endif
+// Compress/RangeCoder/RangeCoder.h + +#ifndef __COMPRESS_RANGECODER_H +#define __COMPRESS_RANGECODER_H + +#include "../../Common/InBuffer.h" +#include "../../Common/OutBuffer.h" + +namespace NCompress { +namespace NRangeCoder { + +const int kNumTopBits = 24; +const UInt32 kTopValue = (1 << kNumTopBits); + +class CEncoder +{ + UInt32 _cacheSize; + Byte _cache; +public: + UInt64 Low; + UInt32 Range; + COutBuffer Stream; + bool Create(UInt32 bufferSize) { return Stream.Create(bufferSize); } + + void SetStream(ISequentialOutStream *stream) { Stream.SetStream(stream); } + void Init() + { + Stream.Init(); + Low = 0; + Range = 0xFFFFFFFF; + _cacheSize = 1; + _cache = 0; + } + + void FlushData() + { + // Low += 1; + for(int i = 0; i < 5; i++) + ShiftLow(); + } + + HRESULT FlushStream() { return Stream.Flush(); } + + void ReleaseStream() { Stream.ReleaseStream(); } + + void Encode(UInt32 start, UInt32 size, UInt32 total) + { + Low += start * (Range /= total); + Range *= size; + while (Range < kTopValue) + { + Range <<= 8; + ShiftLow(); + } + } + + void ShiftLow() + { + if ((UInt32)Low < (UInt32)0xFF000000 || (int)(Low >> 32) != 0) + { + Byte temp = _cache; + do + { + Stream.WriteByte((Byte)(temp + (Byte)(Low >> 32))); + temp = 0xFF; + } + while(--_cacheSize != 0); + _cache = (Byte)((UInt32)Low >> 24); + } + _cacheSize++; + Low = (UInt32)Low << 8; + } + + void EncodeDirectBits(UInt32 value, int numTotalBits) + { + for (int i = numTotalBits - 1; i >= 0; i--) + { + Range >>= 1; + if (((value >> i) & 1) == 1) + Low += Range; + if (Range < kTopValue) + { + Range <<= 8; + ShiftLow(); + } + } + } + + void EncodeBit(UInt32 size0, UInt32 numTotalBits, UInt32 symbol) + { + UInt32 newBound = (Range >> numTotalBits) * size0; + if (symbol == 0) + Range = newBound; + else + { + Low += newBound; + Range -= newBound; + } + while (Range < kTopValue) + { + Range <<= 8; + ShiftLow(); + } + } + + UInt64 GetProcessedSize() { return Stream.GetProcessedSize() + _cacheSize + 4; } +}; + +class CDecoder +{ +public: + CInBuffer Stream; + UInt32 Range; + UInt32 Code; + bool Create(UInt32 bufferSize) { return Stream.Create(bufferSize); } + + void Normalize() + { + while (Range < kTopValue) + { + Code = (Code << 8) | Stream.ReadByte(); + Range <<= 8; + } + } + + void SetStream(ISequentialInStream *stream) { Stream.SetStream(stream); } + void Init() + { + Stream.Init(); + Code = 0; + Range = 0xFFFFFFFF; + for(int i = 0; i < 5; i++) + Code = (Code << 8) | Stream.ReadByte(); + } + + void ReleaseStream() { Stream.ReleaseStream(); } + + UInt32 GetThreshold(UInt32 total) + { + return (Code) / ( Range /= total); + } + + void Decode(UInt32 start, UInt32 size) + { + Code -= start * Range; + Range *= size; + Normalize(); + } + + UInt32 DecodeDirectBits(int numTotalBits) + { + UInt32 range = Range; + UInt32 code = Code; + UInt32 result = 0; + for (int i = numTotalBits; i != 0; i--) + { + range >>= 1; + /* + result <<= 1; + if (code >= range) + { + code -= range; + result |= 1; + } + */ + UInt32 t = (code - range) >> 31; + code -= range & (t - 1); + result = (result << 1) | (1 - t); + + if (range < kTopValue) + { + code = (code << 8) | Stream.ReadByte(); + range <<= 8; + } + } + Range = range; + Code = code; + return result; + } + + UInt32 DecodeBit(UInt32 size0, UInt32 numTotalBits) + { + UInt32 newBound = (Range >> numTotalBits) * size0; + UInt32 symbol; + if (Code < newBound) + { + symbol = 0; + Range = newBound; + } + else + { + symbol = 1; + Code -= newBound; + Range -= newBound; + } + Normalize(); + return symbol; + } + + UInt64 GetProcessedSize() {return Stream.GetProcessedSize(); } +}; + +}} + +#endif diff --git a/payloads/bayou/util/pbuilder/lzma/C/7zip/Compress/RangeCoder/RangeCoderBit.h b/payloads/bayou/util/pbuilder/lzma/C/7zip/Compress/RangeCoder/RangeCoderBit.h index 64538e6879..624f887c94 100644 --- a/payloads/bayou/util/pbuilder/lzma/C/7zip/Compress/RangeCoder/RangeCoderBit.h +++ b/payloads/bayou/util/pbuilder/lzma/C/7zip/Compress/RangeCoder/RangeCoderBit.h @@ -1,120 +1,120 @@ -// Compress/RangeCoder/RangeCoderBit.h
-
-#ifndef __COMPRESS_RANGECODER_BIT_H
-#define __COMPRESS_RANGECODER_BIT_H
-
-#include "RangeCoder.h"
-
-namespace NCompress {
-namespace NRangeCoder {
-
-const int kNumBitModelTotalBits = 11;
-const UInt32 kBitModelTotal = (1 << kNumBitModelTotalBits);
-
-const int kNumMoveReducingBits = 2;
-
-const int kNumBitPriceShiftBits = 6;
-const UInt32 kBitPrice = 1 << kNumBitPriceShiftBits;
-
-class CPriceTables
-{
-public:
- static UInt32 ProbPrices[kBitModelTotal >> kNumMoveReducingBits];
- static void Init();
- CPriceTables();
-};
-
-template <int numMoveBits>
-class CBitModel
-{
-public:
- UInt32 Prob;
- void UpdateModel(UInt32 symbol)
- {
- /*
- Prob -= (Prob + ((symbol - 1) & ((1 << numMoveBits) - 1))) >> numMoveBits;
- Prob += (1 - symbol) << (kNumBitModelTotalBits - numMoveBits);
- */
- if (symbol == 0)
- Prob += (kBitModelTotal - Prob) >> numMoveBits;
- else
- Prob -= (Prob) >> numMoveBits;
- }
-public:
- void Init() { Prob = kBitModelTotal / 2; }
-};
-
-template <int numMoveBits>
-class CBitEncoder: public CBitModel<numMoveBits>
-{
-public:
- void Encode(CEncoder *encoder, UInt32 symbol)
- {
- /*
- encoder->EncodeBit(this->Prob, kNumBitModelTotalBits, symbol);
- this->UpdateModel(symbol);
- */
- UInt32 newBound = (encoder->Range >> kNumBitModelTotalBits) * this->Prob;
- if (symbol == 0)
- {
- encoder->Range = newBound;
- this->Prob += (kBitModelTotal - this->Prob) >> numMoveBits;
- }
- else
- {
- encoder->Low += newBound;
- encoder->Range -= newBound;
- this->Prob -= (this->Prob) >> numMoveBits;
- }
- if (encoder->Range < kTopValue)
- {
- encoder->Range <<= 8;
- encoder->ShiftLow();
- }
- }
- UInt32 GetPrice(UInt32 symbol) const
- {
- return CPriceTables::ProbPrices[
- (((this->Prob - symbol) ^ ((-(int)symbol))) & (kBitModelTotal - 1)) >> kNumMoveReducingBits];
- }
- UInt32 GetPrice0() const { return CPriceTables::ProbPrices[this->Prob >> kNumMoveReducingBits]; }
- UInt32 GetPrice1() const { return CPriceTables::ProbPrices[(kBitModelTotal - this->Prob) >> kNumMoveReducingBits]; }
-};
-
-
-template <int numMoveBits>
-class CBitDecoder: public CBitModel<numMoveBits>
-{
-public:
- UInt32 Decode(CDecoder *decoder)
- {
- UInt32 newBound = (decoder->Range >> kNumBitModelTotalBits) * this->Prob;
- if (decoder->Code < newBound)
- {
- decoder->Range = newBound;
- this->Prob += (kBitModelTotal - this->Prob) >> numMoveBits;
- if (decoder->Range < kTopValue)
- {
- decoder->Code = (decoder->Code << 8) | decoder->Stream.ReadByte();
- decoder->Range <<= 8;
- }
- return 0;
- }
- else
- {
- decoder->Range -= newBound;
- decoder->Code -= newBound;
- this->Prob -= (this->Prob) >> numMoveBits;
- if (decoder->Range < kTopValue)
- {
- decoder->Code = (decoder->Code << 8) | decoder->Stream.ReadByte();
- decoder->Range <<= 8;
- }
- return 1;
- }
- }
-};
-
-}}
-
-#endif
+// Compress/RangeCoder/RangeCoderBit.h + +#ifndef __COMPRESS_RANGECODER_BIT_H +#define __COMPRESS_RANGECODER_BIT_H + +#include "RangeCoder.h" + +namespace NCompress { +namespace NRangeCoder { + +const int kNumBitModelTotalBits = 11; +const UInt32 kBitModelTotal = (1 << kNumBitModelTotalBits); + +const int kNumMoveReducingBits = 2; + +const int kNumBitPriceShiftBits = 6; +const UInt32 kBitPrice = 1 << kNumBitPriceShiftBits; + +class CPriceTables +{ +public: + static UInt32 ProbPrices[kBitModelTotal >> kNumMoveReducingBits]; + static void Init(); + CPriceTables(); +}; + +template <int numMoveBits> +class CBitModel +{ +public: + UInt32 Prob; + void UpdateModel(UInt32 symbol) + { + /* + Prob -= (Prob + ((symbol - 1) & ((1 << numMoveBits) - 1))) >> numMoveBits; + Prob += (1 - symbol) << (kNumBitModelTotalBits - numMoveBits); + */ + if (symbol == 0) + Prob += (kBitModelTotal - Prob) >> numMoveBits; + else + Prob -= (Prob) >> numMoveBits; + } +public: + void Init() { Prob = kBitModelTotal / 2; } +}; + +template <int numMoveBits> +class CBitEncoder: public CBitModel<numMoveBits> +{ +public: + void Encode(CEncoder *encoder, UInt32 symbol) + { + /* + encoder->EncodeBit(this->Prob, kNumBitModelTotalBits, symbol); + this->UpdateModel(symbol); + */ + UInt32 newBound = (encoder->Range >> kNumBitModelTotalBits) * this->Prob; + if (symbol == 0) + { + encoder->Range = newBound; + this->Prob += (kBitModelTotal - this->Prob) >> numMoveBits; + } + else + { + encoder->Low += newBound; + encoder->Range -= newBound; + this->Prob -= (this->Prob) >> numMoveBits; + } + if (encoder->Range < kTopValue) + { + encoder->Range <<= 8; + encoder->ShiftLow(); + } + } + UInt32 GetPrice(UInt32 symbol) const + { + return CPriceTables::ProbPrices[ + (((this->Prob - symbol) ^ ((-(int)symbol))) & (kBitModelTotal - 1)) >> kNumMoveReducingBits]; + } + UInt32 GetPrice0() const { return CPriceTables::ProbPrices[this->Prob >> kNumMoveReducingBits]; } + UInt32 GetPrice1() const { return CPriceTables::ProbPrices[(kBitModelTotal - this->Prob) >> kNumMoveReducingBits]; } +}; + + +template <int numMoveBits> +class CBitDecoder: public CBitModel<numMoveBits> +{ +public: + UInt32 Decode(CDecoder *decoder) + { + UInt32 newBound = (decoder->Range >> kNumBitModelTotalBits) * this->Prob; + if (decoder->Code < newBound) + { + decoder->Range = newBound; + this->Prob += (kBitModelTotal - this->Prob) >> numMoveBits; + if (decoder->Range < kTopValue) + { + decoder->Code = (decoder->Code << 8) | decoder->Stream.ReadByte(); + decoder->Range <<= 8; + } + return 0; + } + else + { + decoder->Range -= newBound; + decoder->Code -= newBound; + this->Prob -= (this->Prob) >> numMoveBits; + if (decoder->Range < kTopValue) + { + decoder->Code = (decoder->Code << 8) | decoder->Stream.ReadByte(); + decoder->Range <<= 8; + } + return 1; + } + } +}; + +}} + +#endif diff --git a/payloads/bayou/util/pbuilder/lzma/C/7zip/Compress/RangeCoder/RangeCoderBitTree.h b/payloads/bayou/util/pbuilder/lzma/C/7zip/Compress/RangeCoder/RangeCoderBitTree.h index 1fa023f3b8..461e2f049f 100644 --- a/payloads/bayou/util/pbuilder/lzma/C/7zip/Compress/RangeCoder/RangeCoderBitTree.h +++ b/payloads/bayou/util/pbuilder/lzma/C/7zip/Compress/RangeCoder/RangeCoderBitTree.h @@ -1,161 +1,161 @@ -// Compress/RangeCoder/RangeCoderBitTree.h
-
-#ifndef __COMPRESS_RANGECODER_BIT_TREE_H
-#define __COMPRESS_RANGECODER_BIT_TREE_H
-
-#include "RangeCoderBit.h"
-#include "RangeCoderOpt.h"
-
-namespace NCompress {
-namespace NRangeCoder {
-
-template <int numMoveBits, int NumBitLevels>
-class CBitTreeEncoder
-{
- CBitEncoder<numMoveBits> Models[1 << NumBitLevels];
-public:
- void Init()
- {
- for(UInt32 i = 1; i < (1 << NumBitLevels); i++)
- Models[i].Init();
- }
- void Encode(CEncoder *rangeEncoder, UInt32 symbol)
- {
- UInt32 modelIndex = 1;
- for (int bitIndex = NumBitLevels; bitIndex != 0 ;)
- {
- bitIndex--;
- UInt32 bit = (symbol >> bitIndex) & 1;
- Models[modelIndex].Encode(rangeEncoder, bit);
- modelIndex = (modelIndex << 1) | bit;
- }
- };
- void ReverseEncode(CEncoder *rangeEncoder, UInt32 symbol)
- {
- UInt32 modelIndex = 1;
- for (int i = 0; i < NumBitLevels; i++)
- {
- UInt32 bit = symbol & 1;
- Models[modelIndex].Encode(rangeEncoder, bit);
- modelIndex = (modelIndex << 1) | bit;
- symbol >>= 1;
- }
- }
- UInt32 GetPrice(UInt32 symbol) const
- {
- symbol |= (1 << NumBitLevels);
- UInt32 price = 0;
- while (symbol != 1)
- {
- price += Models[symbol >> 1].GetPrice(symbol & 1);
- symbol >>= 1;
- }
- return price;
- }
- UInt32 ReverseGetPrice(UInt32 symbol) const
- {
- UInt32 price = 0;
- UInt32 modelIndex = 1;
- for (int i = NumBitLevels; i != 0; i--)
- {
- UInt32 bit = symbol & 1;
- symbol >>= 1;
- price += Models[modelIndex].GetPrice(bit);
- modelIndex = (modelIndex << 1) | bit;
- }
- return price;
- }
-};
-
-template <int numMoveBits, int NumBitLevels>
-class CBitTreeDecoder
-{
- CBitDecoder<numMoveBits> Models[1 << NumBitLevels];
-public:
- void Init()
- {
- for(UInt32 i = 1; i < (1 << NumBitLevels); i++)
- Models[i].Init();
- }
- UInt32 Decode(CDecoder *rangeDecoder)
- {
- UInt32 modelIndex = 1;
- RC_INIT_VAR
- for(int bitIndex = NumBitLevels; bitIndex != 0; bitIndex--)
- {
- // modelIndex = (modelIndex << 1) + Models[modelIndex].Decode(rangeDecoder);
- RC_GETBIT(numMoveBits, Models[modelIndex].Prob, modelIndex)
- }
- RC_FLUSH_VAR
- return modelIndex - (1 << NumBitLevels);
- };
- UInt32 ReverseDecode(CDecoder *rangeDecoder)
- {
- UInt32 modelIndex = 1;
- UInt32 symbol = 0;
- RC_INIT_VAR
- for(int bitIndex = 0; bitIndex < NumBitLevels; bitIndex++)
- {
- // UInt32 bit = Models[modelIndex].Decode(rangeDecoder);
- // modelIndex <<= 1;
- // modelIndex += bit;
- // symbol |= (bit << bitIndex);
- RC_GETBIT2(numMoveBits, Models[modelIndex].Prob, modelIndex, ; , symbol |= (1 << bitIndex))
- }
- RC_FLUSH_VAR
- return symbol;
- }
-};
-
-template <int numMoveBits>
-void ReverseBitTreeEncode(CBitEncoder<numMoveBits> *Models,
- CEncoder *rangeEncoder, int NumBitLevels, UInt32 symbol)
-{
- UInt32 modelIndex = 1;
- for (int i = 0; i < NumBitLevels; i++)
- {
- UInt32 bit = symbol & 1;
- Models[modelIndex].Encode(rangeEncoder, bit);
- modelIndex = (modelIndex << 1) | bit;
- symbol >>= 1;
- }
-}
-
-template <int numMoveBits>
-UInt32 ReverseBitTreeGetPrice(CBitEncoder<numMoveBits> *Models,
- UInt32 NumBitLevels, UInt32 symbol)
-{
- UInt32 price = 0;
- UInt32 modelIndex = 1;
- for (int i = NumBitLevels; i != 0; i--)
- {
- UInt32 bit = symbol & 1;
- symbol >>= 1;
- price += Models[modelIndex].GetPrice(bit);
- modelIndex = (modelIndex << 1) | bit;
- }
- return price;
-}
-
-template <int numMoveBits>
-UInt32 ReverseBitTreeDecode(CBitDecoder<numMoveBits> *Models,
- CDecoder *rangeDecoder, int NumBitLevels)
-{
- UInt32 modelIndex = 1;
- UInt32 symbol = 0;
- RC_INIT_VAR
- for(int bitIndex = 0; bitIndex < NumBitLevels; bitIndex++)
- {
- // UInt32 bit = Models[modelIndex].Decode(rangeDecoder);
- // modelIndex <<= 1;
- // modelIndex += bit;
- // symbol |= (bit << bitIndex);
- RC_GETBIT2(numMoveBits, Models[modelIndex].Prob, modelIndex, ; , symbol |= (1 << bitIndex))
- }
- RC_FLUSH_VAR
- return symbol;
-}
-
-}}
-
-#endif
+// Compress/RangeCoder/RangeCoderBitTree.h + +#ifndef __COMPRESS_RANGECODER_BIT_TREE_H +#define __COMPRESS_RANGECODER_BIT_TREE_H + +#include "RangeCoderBit.h" +#include "RangeCoderOpt.h" + +namespace NCompress { +namespace NRangeCoder { + +template <int numMoveBits, int NumBitLevels> +class CBitTreeEncoder +{ + CBitEncoder<numMoveBits> Models[1 << NumBitLevels]; +public: + void Init() + { + for(UInt32 i = 1; i < (1 << NumBitLevels); i++) + Models[i].Init(); + } + void Encode(CEncoder *rangeEncoder, UInt32 symbol) + { + UInt32 modelIndex = 1; + for (int bitIndex = NumBitLevels; bitIndex != 0 ;) + { + bitIndex--; + UInt32 bit = (symbol >> bitIndex) & 1; + Models[modelIndex].Encode(rangeEncoder, bit); + modelIndex = (modelIndex << 1) | bit; + } + }; + void ReverseEncode(CEncoder *rangeEncoder, UInt32 symbol) + { + UInt32 modelIndex = 1; + for (int i = 0; i < NumBitLevels; i++) + { + UInt32 bit = symbol & 1; + Models[modelIndex].Encode(rangeEncoder, bit); + modelIndex = (modelIndex << 1) | bit; + symbol >>= 1; + } + } + UInt32 GetPrice(UInt32 symbol) const + { + symbol |= (1 << NumBitLevels); + UInt32 price = 0; + while (symbol != 1) + { + price += Models[symbol >> 1].GetPrice(symbol & 1); + symbol >>= 1; + } + return price; + } + UInt32 ReverseGetPrice(UInt32 symbol) const + { + UInt32 price = 0; + UInt32 modelIndex = 1; + for (int i = NumBitLevels; i != 0; i--) + { + UInt32 bit = symbol & 1; + symbol >>= 1; + price += Models[modelIndex].GetPrice(bit); + modelIndex = (modelIndex << 1) | bit; + } + return price; + } +}; + +template <int numMoveBits, int NumBitLevels> +class CBitTreeDecoder +{ + CBitDecoder<numMoveBits> Models[1 << NumBitLevels]; +public: + void Init() + { + for(UInt32 i = 1; i < (1 << NumBitLevels); i++) + Models[i].Init(); + } + UInt32 Decode(CDecoder *rangeDecoder) + { + UInt32 modelIndex = 1; + RC_INIT_VAR + for(int bitIndex = NumBitLevels; bitIndex != 0; bitIndex--) + { + // modelIndex = (modelIndex << 1) + Models[modelIndex].Decode(rangeDecoder); + RC_GETBIT(numMoveBits, Models[modelIndex].Prob, modelIndex) + } + RC_FLUSH_VAR + return modelIndex - (1 << NumBitLevels); + }; + UInt32 ReverseDecode(CDecoder *rangeDecoder) + { + UInt32 modelIndex = 1; + UInt32 symbol = 0; + RC_INIT_VAR + for(int bitIndex = 0; bitIndex < NumBitLevels; bitIndex++) + { + // UInt32 bit = Models[modelIndex].Decode(rangeDecoder); + // modelIndex <<= 1; + // modelIndex += bit; + // symbol |= (bit << bitIndex); + RC_GETBIT2(numMoveBits, Models[modelIndex].Prob, modelIndex, ; , symbol |= (1 << bitIndex)) + } + RC_FLUSH_VAR + return symbol; + } +}; + +template <int numMoveBits> +void ReverseBitTreeEncode(CBitEncoder<numMoveBits> *Models, + CEncoder *rangeEncoder, int NumBitLevels, UInt32 symbol) +{ + UInt32 modelIndex = 1; + for (int i = 0; i < NumBitLevels; i++) + { + UInt32 bit = symbol & 1; + Models[modelIndex].Encode(rangeEncoder, bit); + modelIndex = (modelIndex << 1) | bit; + symbol >>= 1; + } +} + +template <int numMoveBits> +UInt32 ReverseBitTreeGetPrice(CBitEncoder<numMoveBits> *Models, + UInt32 NumBitLevels, UInt32 symbol) +{ + UInt32 price = 0; + UInt32 modelIndex = 1; + for (int i = NumBitLevels; i != 0; i--) + { + UInt32 bit = symbol & 1; + symbol >>= 1; + price += Models[modelIndex].GetPrice(bit); + modelIndex = (modelIndex << 1) | bit; + } + return price; +} + +template <int numMoveBits> +UInt32 ReverseBitTreeDecode(CBitDecoder<numMoveBits> *Models, + CDecoder *rangeDecoder, int NumBitLevels) +{ + UInt32 modelIndex = 1; + UInt32 symbol = 0; + RC_INIT_VAR + for(int bitIndex = 0; bitIndex < NumBitLevels; bitIndex++) + { + // UInt32 bit = Models[modelIndex].Decode(rangeDecoder); + // modelIndex <<= 1; + // modelIndex += bit; + // symbol |= (bit << bitIndex); + RC_GETBIT2(numMoveBits, Models[modelIndex].Prob, modelIndex, ; , symbol |= (1 << bitIndex)) + } + RC_FLUSH_VAR + return symbol; +} + +}} + +#endif diff --git a/payloads/bayou/util/pbuilder/lzma/C/7zip/Compress/RangeCoder/RangeCoderOpt.h b/payloads/bayou/util/pbuilder/lzma/C/7zip/Compress/RangeCoder/RangeCoderOpt.h index 829fc83d77..5779277635 100644 --- a/payloads/bayou/util/pbuilder/lzma/C/7zip/Compress/RangeCoder/RangeCoderOpt.h +++ b/payloads/bayou/util/pbuilder/lzma/C/7zip/Compress/RangeCoder/RangeCoderOpt.h @@ -1,31 +1,31 @@ -// Compress/RangeCoder/RangeCoderOpt.h
-
-#ifndef __COMPRESS_RANGECODER_OPT_H
-#define __COMPRESS_RANGECODER_OPT_H
-
-#define RC_INIT_VAR \
- UInt32 range = rangeDecoder->Range; \
- UInt32 code = rangeDecoder->Code;
-
-#define RC_FLUSH_VAR \
- rangeDecoder->Range = range; \
- rangeDecoder->Code = code;
-
-#define RC_NORMALIZE \
- if (range < NCompress::NRangeCoder::kTopValue) \
- { code = (code << 8) | rangeDecoder->Stream.ReadByte(); range <<= 8; }
-
-#define RC_GETBIT2(numMoveBits, prob, mi, A0, A1) \
- { UInt32 bound = (range >> NCompress::NRangeCoder::kNumBitModelTotalBits) * prob; \
- if (code < bound) \
- { A0; range = bound; \
- prob += (NCompress::NRangeCoder::kBitModelTotal - prob) >> numMoveBits; \
- mi <<= 1; } \
- else \
- { A1; range -= bound; code -= bound; prob -= (prob) >> numMoveBits; \
- mi = (mi + mi) + 1; }} \
- RC_NORMALIZE
-
-#define RC_GETBIT(numMoveBits, prob, mi) RC_GETBIT2(numMoveBits, prob, mi, ; , ;)
-
-#endif
+// Compress/RangeCoder/RangeCoderOpt.h + +#ifndef __COMPRESS_RANGECODER_OPT_H +#define __COMPRESS_RANGECODER_OPT_H + +#define RC_INIT_VAR \ + UInt32 range = rangeDecoder->Range; \ + UInt32 code = rangeDecoder->Code; + +#define RC_FLUSH_VAR \ + rangeDecoder->Range = range; \ + rangeDecoder->Code = code; + +#define RC_NORMALIZE \ + if (range < NCompress::NRangeCoder::kTopValue) \ + { code = (code << 8) | rangeDecoder->Stream.ReadByte(); range <<= 8; } + +#define RC_GETBIT2(numMoveBits, prob, mi, A0, A1) \ + { UInt32 bound = (range >> NCompress::NRangeCoder::kNumBitModelTotalBits) * prob; \ + if (code < bound) \ + { A0; range = bound; \ + prob += (NCompress::NRangeCoder::kBitModelTotal - prob) >> numMoveBits; \ + mi <<= 1; } \ + else \ + { A1; range -= bound; code -= bound; prob -= (prob) >> numMoveBits; \ + mi = (mi + mi) + 1; }} \ + RC_NORMALIZE + +#define RC_GETBIT(numMoveBits, prob, mi) RC_GETBIT2(numMoveBits, prob, mi, ; , ;) + +#endif diff --git a/payloads/bayou/util/pbuilder/lzma/C/7zip/Compress/RangeCoder/StdAfx.h b/payloads/bayou/util/pbuilder/lzma/C/7zip/Compress/RangeCoder/StdAfx.h index 21c2fd780c..b637fd4007 100644 --- a/payloads/bayou/util/pbuilder/lzma/C/7zip/Compress/RangeCoder/StdAfx.h +++ b/payloads/bayou/util/pbuilder/lzma/C/7zip/Compress/RangeCoder/StdAfx.h @@ -1,6 +1,6 @@ -// StdAfx.h
-
-#ifndef __STDAFX_H
-#define __STDAFX_H
-
-#endif
+// StdAfx.h + +#ifndef __STDAFX_H +#define __STDAFX_H + +#endif |