diff --git a/BurnOutSharp.Compression/Quantum/Decompressor.cs b/BurnOutSharp.Compression/Quantum/Decompressor.cs index c4814afe..312b48b6 100644 --- a/BurnOutSharp.Compression/Quantum/Decompressor.cs +++ b/BurnOutSharp.Compression/Quantum/Decompressor.cs @@ -166,8 +166,8 @@ namespace BurnOutSharp.Compression.Quantum /// public static bool InitState(State state, int window, int level) { - uint windowSize = (uint)(1 << window), j; - int msz = window * 2, i; + uint windowSize = (uint)(1 << window); + int maxSize = window * 2; // QTM supports window sizes of 2^10 (1Kb) through 2^21 (2Mb) // If a previously allocated window is big enough, keep it @@ -198,13 +198,13 @@ namespace BurnOutSharp.Compression.Quantum state.Model3 = CreateModel(state.Model3Symbols, 0x40, 0xC0); // Model 4 depends on table size, ranges from 20 to 24 - state.Model4 = CreateModel(state.Model4Symbols, (msz < 24) ? msz : 24, 0); + state.Model4 = CreateModel(state.Model4Symbols, (maxSize < 24) ? maxSize : 24, 0); // Model 5 depends on table size, ranges from 20 to 36 - state.Model5 = CreateModel(symbols: state.Model5Symbols, (msz < 36) ? msz : 36, 0); + state.Model5 = CreateModel(symbols: state.Model5Symbols, (maxSize < 36) ? maxSize : 36, 0); // Model 6 Position depends on table size, ranges from 20 to 42 - state.Model6Position = CreateModel(state.Model6PositionSymbols, msz, 0); + state.Model6Position = CreateModel(state.Model6PositionSymbols, (maxSize < 42) ? maxSize : 42, 0); state.Model6Length = CreateModel(state.Model6LengthSymbols, 27, 0); return true; @@ -213,7 +213,6 @@ namespace BurnOutSharp.Compression.Quantum /// /// Initialize a Quantum model that decodes symbols from s to (s + n - 1) /// - /// private static Model CreateModel(ModelSymbol[] symbols, int entryCount, int initialSymbol) { // Set the basic values @@ -249,7 +248,6 @@ namespace BurnOutSharp.Compression.Quantum /// /// Update the Quantum model for a particular symbol /// - /// private static void UpdateModel(Model model, int symbol) { // Update the cumulative frequency for all symbols less than the provided diff --git a/BurnOutSharp.Compression/Quantum/State.cs b/BurnOutSharp.Compression/Quantum/State.cs index d7f1a6ff..efd621b4 100644 --- a/BurnOutSharp.Compression/Quantum/State.cs +++ b/BurnOutSharp.Compression/Quantum/State.cs @@ -123,7 +123,7 @@ namespace BurnOutSharp.Compression.Quantum public ModelSymbol[] Model6LengthSymbols = new ModelSymbol[0x1b + 1]; #endregion - + #region Decompression Tables /// @@ -131,9 +131,12 @@ namespace BurnOutSharp.Compression.Quantum /// public uint[] PositionSlotBases = new uint[42] { - 0, 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, - 1024, 1536, 2048, 3072, 4096, 6144, 8192, 12288, 16384, 24576, 32768, 49152, - 65536, 98304, 131072, 196608, 262144, 393216, 524288, 786432, 1048576, 1572864 + 0x00000, 0x00001, 0x00002, 0x00003, 0x00004, 0x00006, 0x00008, 0x0000c, + 0x00010, 0x00018, 0x00020, 0x00030, 0x00040, 0x00060, 0x00080, 0x000c0, + 0x00100, 0x00180, 0x00200, 0x00300, 0x00400, 0x00600, 0x00800, 0x00c00, + 0x01000, 0x01800, 0x02000, 0x03000, 0x04000, 0x06000, 0x08000, 0x0c000, + 0x10000, 0x18000, 0x20000, 0x30000, 0x40000, 0x60000, 0x80000, 0xc0000, + 0x100000, 0x180000 }; /// @@ -141,8 +144,12 @@ namespace BurnOutSharp.Compression.Quantum /// public byte[] ExtraBits = new byte[42] { - 0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, - 11, 11, 12, 12, 13, 13, 14, 14, 15, 15, 16, 16, 17, 17, 18, 18, 19, 19 + 0, 0, 0, 0, 1, 1, 2, 2, + 3, 3, 4, 4, 5, 5, 6, 6, + 7, 7, 8, 8, 9, 9, 10, 10, + 11, 11, 12, 12, 13, 13, 14, 14, + 15, 15, 16, 16, 17, 17, 18, 18, + 19, 19 }; /// @@ -150,8 +157,10 @@ namespace BurnOutSharp.Compression.Quantum /// public byte[] LengthBases = new byte[27] { - 0, 1, 2, 3, 4, 5, 6, 8, 10, 12, 14, 18, 22, 26, - 30, 38, 46, 54, 62, 78, 94, 110, 126, 158, 190, 222, 254 + 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x08, + 0x0a, 0x0c, 0x0e, 0x12, 0x16, 0x1a, 0x1e, 0x26, + 0x2e, 0x36, 0x3e, 0x4e, 0x5e, 0x6e, 0x7e, 0x9e, + 0xbe, 0xde, 0xfe }; /// @@ -159,8 +168,10 @@ namespace BurnOutSharp.Compression.Quantum /// public byte[] LengthExtraBits = new byte[27] { - 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, - 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 0 + 0, 0, 0, 0, 0, 0, 1, 1, + 1, 1, 2, 2, 2, 2, 3, 3, + 3, 3, 4, 4, 4, 4, 5, 5, + 5, 5, 0 }; #endregion