Index: third_party/lzma/v4_65/files/Java/SevenZip/Compression/RangeCoder/Encoder.java |
diff --git a/third_party/lzma/v4_65/files/Java/SevenZip/Compression/RangeCoder/Encoder.java b/third_party/lzma/v4_65/files/Java/SevenZip/Compression/RangeCoder/Encoder.java |
deleted file mode 100644 |
index d21b983bc4d35e16b8cbf03d07c145a4303e5f0b..0000000000000000000000000000000000000000 |
--- a/third_party/lzma/v4_65/files/Java/SevenZip/Compression/RangeCoder/Encoder.java |
+++ /dev/null |
@@ -1,151 +0,0 @@ |
-package SevenZip.Compression.RangeCoder; |
-import java.io.IOException; |
- |
-public class Encoder |
-{ |
- static final int kTopMask = ~((1 << 24) - 1); |
- |
- static final int kNumBitModelTotalBits = 11; |
- static final int kBitModelTotal = (1 << kNumBitModelTotalBits); |
- static final int kNumMoveBits = 5; |
- |
- java.io.OutputStream Stream; |
- |
- long Low; |
- int Range; |
- int _cacheSize; |
- int _cache; |
- |
- long _position; |
- |
- public void SetStream(java.io.OutputStream stream) |
- { |
- Stream = stream; |
- } |
- |
- public void ReleaseStream() |
- { |
- Stream = null; |
- } |
- |
- public void Init() |
- { |
- _position = 0; |
- Low = 0; |
- Range = -1; |
- _cacheSize = 1; |
- _cache = 0; |
- } |
- |
- public void FlushData() throws IOException |
- { |
- for (int i = 0; i < 5; i++) |
- ShiftLow(); |
- } |
- |
- public void FlushStream() throws IOException |
- { |
- Stream.flush(); |
- } |
- |
- public void ShiftLow() throws IOException |
- { |
- int LowHi = (int)(Low >>> 32); |
- if (LowHi != 0 || Low < 0xFF000000L) |
- { |
- _position += _cacheSize; |
- int temp = _cache; |
- do |
- { |
- Stream.write(temp + LowHi); |
- temp = 0xFF; |
- } |
- while(--_cacheSize != 0); |
- _cache = (((int)Low) >>> 24); |
- } |
- _cacheSize++; |
- Low = (Low & 0xFFFFFF) << 8; |
- } |
- |
- public void EncodeDirectBits(int v, int numTotalBits) throws IOException |
- { |
- for (int i = numTotalBits - 1; i >= 0; i--) |
- { |
- Range >>>= 1; |
- if (((v >>> i) & 1) == 1) |
- Low += Range; |
- if ((Range & Encoder.kTopMask) == 0) |
- { |
- Range <<= 8; |
- ShiftLow(); |
- } |
- } |
- } |
- |
- |
- public long GetProcessedSizeAdd() |
- { |
- return _cacheSize + _position + 4; |
- } |
- |
- |
- |
- static final int kNumMoveReducingBits = 2; |
- public static final int kNumBitPriceShiftBits = 6; |
- |
- public static void InitBitModels(short []probs) |
- { |
- for (int i = 0; i < probs.length; i++) |
- probs[i] = (kBitModelTotal >>> 1); |
- } |
- |
- public void Encode(short []probs, int index, int symbol) throws IOException |
- { |
- int prob = probs[index]; |
- int newBound = (Range >>> kNumBitModelTotalBits) * prob; |
- if (symbol == 0) |
- { |
- Range = newBound; |
- probs[index] = (short)(prob + ((kBitModelTotal - prob) >>> kNumMoveBits)); |
- } |
- else |
- { |
- Low += (newBound & 0xFFFFFFFFL); |
- Range -= newBound; |
- probs[index] = (short)(prob - ((prob) >>> kNumMoveBits)); |
- } |
- if ((Range & kTopMask) == 0) |
- { |
- Range <<= 8; |
- ShiftLow(); |
- } |
- } |
- |
- private static int[] ProbPrices = new int[kBitModelTotal >>> kNumMoveReducingBits]; |
- |
- static |
- { |
- int kNumBits = (kNumBitModelTotalBits - kNumMoveReducingBits); |
- for (int i = kNumBits - 1; i >= 0; i--) |
- { |
- int start = 1 << (kNumBits - i - 1); |
- int end = 1 << (kNumBits - i); |
- for (int j = start; j < end; j++) |
- ProbPrices[j] = (i << kNumBitPriceShiftBits) + |
- (((end - j) << kNumBitPriceShiftBits) >>> (kNumBits - i - 1)); |
- } |
- } |
- |
- static public int GetPrice(int Prob, int symbol) |
- { |
- return ProbPrices[(((Prob - symbol) ^ ((-symbol))) & (kBitModelTotal - 1)) >>> kNumMoveReducingBits]; |
- } |
- static public int GetPrice0(int Prob) |
- { |
- return ProbPrices[Prob >>> kNumMoveReducingBits]; |
- } |
- static public int GetPrice1(int Prob) |
- { |
- return ProbPrices[(kBitModelTotal - Prob) >>> kNumMoveReducingBits]; |
- } |
-} |