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(Legacy): FL2 archives and WV1 audio.
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morkt
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85c0358ca0
commit
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78
Legacy/Aaru/ArcFL2.cs
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78
Legacy/Aaru/ArcFL2.cs
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//! \file ArcFL2.cs
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//! \date 2018 Dec 13
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//! \brief Aaru resource archive
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//
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// Copyright (C) 2018 by morkt
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//
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using System;
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using System.Collections.Generic;
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using System.ComponentModel.Composition;
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using System.IO;
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// [000428][Aaru] Koutei Heika ni Narou!
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namespace GameRes.Formats.Aaru
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{
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[Export(typeof(ArchiveFormat))]
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public class Fl2Opener : Fl4Opener
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{
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public override string Tag { get { return "FL2/AARU"; } }
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public override string Description { get { return "Aaru resource archive"; } }
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public override uint Signature { get { return 0x2E324C46; } } // 'FL2.0'
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public override bool IsHierarchic { get { return false; } }
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public override bool CanWrite { get { return false; } }
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public override ArcFile TryOpen (ArcView file)
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{
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if (file.View.ReadByte (4) != '0')
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return null;
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uint data_offset = file.View.ReadUInt16 (6);
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int count = file.View.ReadInt16 (8);
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uint index_size = file.View.ReadUInt32 (0xC);
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long index_offset = file.View.ReadUInt32 (0x10);
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if (index_offset + index_size > file.MaxOffset || !IsSaneCount (count))
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return null;
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using (var index = file.CreateStream (index_offset, index_size))
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{
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var dir = new List<Entry> (count);
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for (int i = 0; i < count; ++i)
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{
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uint size = index.ReadUInt32();
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if (uint.MaxValue == size)
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break;
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int name_length = index.ReadUInt8();
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var name = index.ReadCString (name_length);
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var entry = Create<PackedEntry> (name);
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entry.Offset = data_offset;
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entry.Size = size;
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if (!entry.CheckPlacement (file.MaxOffset))
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return null;
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data_offset += size;
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dir.Add (entry);
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}
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if (0 == dir.Count)
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return null;
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return new ArcFile (file, this, dir);
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}
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}
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}
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}
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160
Legacy/Aaru/AudioWV1.cs
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160
Legacy/Aaru/AudioWV1.cs
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//! \file AudioWV1.cs
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//! \date 2018 Dec 13
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//! \brief Aaru compressed audio format.
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//
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// Copyright (C) 2018 by morkt
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//
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using System;
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using System.ComponentModel.Composition;
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using System.IO;
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using System.Text;
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namespace GameRes.Formats.Aaru
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{
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[Export(typeof(AudioFormat))]
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public class Wv1Audio : AudioFormat
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{
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public override string Tag { get { return "WV1"; } }
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public override string Description { get { return "Aaru compressed audio"; } }
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public override uint Signature { get { return 0x2E315657; } } // 'WV1.0'
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public override bool CanWrite { get { return false; } }
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public Wv1Audio ()
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{
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Extensions = new string[] { "wv1", "wav" };
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}
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public override SoundInput TryOpen (IBinaryStream file)
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{
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var header = file.ReadHeader (0x30);
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if (!header.AsciiEqual (0, "WV1.0\0"))
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return null;
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var format = new WaveFormat {
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FormatTag = 1,
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Channels = header.ToUInt16 (0xA),
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SamplesPerSecond = header.ToUInt32 (0xE),
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BitsPerSample = 16,
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};
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format.BlockAlign = (ushort)(format.Channels * format.BitsPerSample / 8);
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format.SetBPS();
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int sample_count = header.ToInt32 (0x26);
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var pcm = new MemoryStream (2 * sample_count);
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using (var output = new BinaryWriter (pcm, Encoding.ASCII, true))
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{
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var l_decoder = new Wv1Decoder();
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var r_decoder = l_decoder;
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if (format.Channels > 1)
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r_decoder = new Wv1Decoder();
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int input_sample = 0;
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for (int i = 0; i < sample_count; ++i)
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{
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bool odd_sample = (i & 1) != 0;
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short sample;
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if (odd_sample)
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{
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sample = r_decoder.DecodeSample (input_sample >> 4);
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}
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else
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{
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input_sample = file.ReadByte();
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if (-1 == input_sample)
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break;
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sample = l_decoder.DecodeSample (input_sample & 0xF);
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}
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output.Write (sample);
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}
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}
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file.Dispose();
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pcm.Position = 0;
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return new RawPcmInput (pcm, format);
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}
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}
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internal class Wv1Decoder
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{
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short last_sample = 0;
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int last_index = 0;
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int[] shift_table = new int[8];
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public short DecodeSample (int input)
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{
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int s0 = SampleTable[last_index];
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shift_table[0] = s0 >> 3;
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shift_table[1] = shift_table[0] + (s0 >> 2);
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shift_table[2] = shift_table[0] + (s0 >> 1);
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shift_table[3] = shift_table[1] + (s0 >> 1);
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shift_table[4] = shift_table[0] + s0;
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shift_table[5] = shift_table[1] + s0;
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shift_table[6] = shift_table[2] + s0;
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shift_table[7] = shift_table[3] + s0;
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int shift_index = input & 7;
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if ((input & 8) != 0)
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last_sample -= (short)shift_table[shift_index];
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else
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last_sample += (short)shift_table[shift_index];
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switch (shift_index)
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{
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case 0:
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case 1:
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case 2:
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case 3:
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if (last_index > 0)
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--last_index;
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break;
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case 4:
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last_index = Math.Min (last_index + 2, 0x7F);
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break;
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case 5:
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last_index = Math.Min (last_index + 4, 0x7F);
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break;
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case 6:
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last_index = Math.Min (last_index + 6, 0x7F);
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break;
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case 7:
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last_index = Math.Min (last_index + 8, 0x7F);
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break;
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default:
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break;
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}
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return (short)(2 * last_sample);
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}
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static readonly short[] SampleTable = {
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0x0007, 0x0008, 0x0009, 0x000A, 0x000B, 0x000C, 0x000E, 0x000F,
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0x0010, 0x0012, 0x0014, 0x0015, 0x0017, 0x0019, 0x001B, 0x001D,
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0x0020, 0x0022, 0x0025, 0x0028, 0x002B, 0x002E, 0x0031, 0x0035,
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0x0038, 0x003C, 0x0041, 0x0045, 0x004A, 0x004F, 0x0055, 0x005A,
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0x0061, 0x0067, 0x006E, 0x0075, 0x007D, 0x0085, 0x008E, 0x0098,
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0x00A2, 0x00AC, 0x00B7, 0x00C3, 0x00D0, 0x00DE, 0x00EC, 0x00FB,
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0x010B, 0x011C, 0x012F, 0x0142, 0x0157, 0x016D, 0x0184, 0x019C,
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0x01B7, 0x01D3, 0x01F0, 0x0210, 0x0231, 0x0254, 0x027A, 0x02A2,
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0x02CD, 0x02FA, 0x032A, 0x035D, 0x0393, 0x03CD, 0x040A, 0x044B,
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0x0490, 0x04D9, 0x0527, 0x057A, 0x05D2, 0x062F, 0x0693, 0x06FC,
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0x076C, 0x07E3, 0x0862, 0x08E8, 0x0977, 0x0A0E, 0x0AAF, 0x0B5A,
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0x0C10, 0x0CD1, 0x0D9E, 0x0E78, 0x0F60, 0x1056, 0x115B, 0x1270,
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0x1397, 0x14D1, 0x161D, 0x177F, 0x18F7, 0x1A86, 0x1C2E, 0x1DF0,
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0x1FCF, 0x21CB, 0x23E7, 0x2625, 0x2886, 0x2B0E, 0x2DBE, 0x3098,
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0x33A1, 0x36D9, 0x3A46, 0x3DE9, 0x41C5, 0x45E0, 0x4A3C, 0x4EDE,
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0x53CA, 0x5904, 0x5E92, 0x6478, 0x6ABC, 0x7165, 0x7878, 0x7FFF,
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};
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}
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}
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@ -62,8 +62,10 @@
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<Reference Include="WindowsBase" />
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</ItemGroup>
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<ItemGroup>
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<Compile Include="Aaru\ArcFL2.cs" />
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<Compile Include="Aaru\ArcFL3.cs" />
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<Compile Include="Aaru\ArcFL4.cs" />
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<Compile Include="Aaru\AudioWV1.cs" />
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<Compile Include="Aaru\ImageBM2.cs" />
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<Compile Include="Acme\ImageARD.cs" />
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<Compile Include="Acme\ImagePMG.cs" />
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