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implemented ShiinaRio PAD compressed audio format.
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morkt
parent
c6d5a78c8e
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6ab0378410
@ -126,6 +126,7 @@
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<Compile Include="AudioMIO.cs" />
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<Compile Include="AudioMP3.cs" />
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<Compile Include="AudioOGV.cs" />
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<Compile Include="AudioPAD.cs" />
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<Compile Include="AudioPCM.cs" />
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<Compile Include="AudioPMW.cs" />
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<Compile Include="AudioWA1.cs" />
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183
ArcFormats/AudioPAD.cs
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183
ArcFormats/AudioPAD.cs
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@ -0,0 +1,183 @@
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//! \file AudioPAD.cs
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//! \date Sun Jun 21 23:44:18 2015
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//! \brief ShiinaRio compressed audio format.
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//
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// Copyright (C) 2015 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 GameRes.Utility;
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namespace GameRes.Formats.ShiinaRio
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{
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[Export(typeof(AudioFormat))]
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public class PadAudio : AudioFormat
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{
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public override string Tag { get { return "PAD"; } }
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public override string Description { get { return "ShiinaRio compressed audio format"; } }
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public override uint Signature { get { return 0x444150; } } // 'PAD'
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public override SoundInput TryOpen (Stream file)
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{
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var wav_header = new byte[0x2c];
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if (0x2c != file.Read (wav_header, 0, 0x2c))
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return null;
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int pcm_size = LittleEndian.ToInt32 (wav_header, 0x28);
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int channels = LittleEndian.ToUInt16 (wav_header, 0x16);
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wav_header[0] = (byte)'R';
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wav_header[1] = (byte)'I';
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wav_header[2] = (byte)'F';
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wav_header[3] = (byte)'F';
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LittleEndian.Pack (pcm_size+0x24, wav_header, 4);
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var decoder = new PadDecoder (file, pcm_size, channels);
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decoder.Unpack();
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var data = new MemoryStream (decoder.Data, 0, pcm_size);
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var wav = new PrefixStream (wav_header, data);
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try
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{
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return new WaveInput (wav);
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}
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catch
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{
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wav.Dispose();
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throw;
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}
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}
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}
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internal class PadDecoder
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{
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byte[] m_input;
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byte[] m_output;
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int m_pcm_size;
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int m_packed_size;
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int m_channels;
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public byte[] Data { get { return m_output; } }
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public PadDecoder (Stream input, int pcm_size, int channels)
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{
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m_packed_size = (int)(input.Length - input.Position);
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m_pcm_size = pcm_size;
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m_channels = channels;
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m_output = new byte[pcm_size + 0x9c];
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m_input = new byte[m_packed_size];
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if (m_packed_size != input.Read (m_input, 0, m_packed_size))
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throw new InvalidFormatException ("Unexpected end of file");
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}
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public byte[] Unpack ()
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{
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int v10;
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double v3 = 0;
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double v27 = 0;
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double v28 = 0;
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int v30 = 0;
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var table = new double[69];
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table[4] = 0.9375; // 0x3FEE000000000000
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table[6] = 1.796875; // 0x3FFCC00000000000
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table[7] = -0.8125; // 0xBFEA000000000000
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table[8] = 1.53125; // 0x3FF8800000000000
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table[9] = -0.859375; // 0xBFEB800000000000
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table[10] = 1.90625; // 0x3FFE800000000000
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table[11] = -0.9375; // 0xBFEE000000000000
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int dst = 0;
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int src = 0;
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int v5 = m_input[src++];
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while (v5 != 0xff)
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{
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int v7 = m_input[src++];
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int v29 = v7 >> 4;
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int v9 = v7 & 0xF;
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if (2 == m_channels)
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{
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int next = m_input[src+1];
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v10 = next & 0xF;
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v30 = next >> 4;
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long v = BitConverter.DoubleToInt64Bits (table[12]) & 0xffffffff;
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table[12] = BitConverter.Int64BitsToDouble (v | (long)v10 << 32);
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src += 2;
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}
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else
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{
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v10 = (int)(BitConverter.DoubleToInt64Bits (table[12]) >> 32);
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}
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int v12 = 14; // within table
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for (int i = 0; i < 14; ++i)
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{
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int v13 = m_input[src++];
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int v14 = (v13 & 0xF) << 12;
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if (0 != (v14 & 0x8000))
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v14 |= ~0xFFFF;
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int v15 = (v13 & 0xF0) << 8;
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table[v12 - 1] = (double)(v14 >> v9);
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if (0 != (v15 & 0x8000))
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v15 |= ~0xFFFF;
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table[v12] = (double)(v15 >> v9);
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v12 += 2;
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}
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if (2 == m_channels)
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{
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v12 = 42; // within table
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for (int i = 0; i < 14; ++i)
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{
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int v18 = m_input[src++];
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int v19 = (v18 & 0xF) << 12;
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if (0 != (v19 & 0x8000))
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v19 |= ~0xFFFF;
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int v20 = (byte)(v18 & 0xF0) << 8;
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table[v12 - 1] = (double)(v19 >> v10);
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if (0 != (v20 & 0x8000))
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v20 |= ~0xFFFF;
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table[v12] = (double)(v20 >> v10);
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v12 += 2;
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}
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}
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v12 = 41; // within table
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for (int i = 0; i < 28; ++i)
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{
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double v22 = v27 * table[2 * v29 + 3];
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v27 = table[0];
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table[v12 - 28] += v22 + v27 * table[2 * v29 + 2];
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table[0] = table[v12 - 28];
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LittleEndian.Pack ((short)(table[v12 - 28] + 0.5), m_output, dst);
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dst += 2;
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if (2 == m_channels)
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{
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table[v12] += v28 * table[2 * v30 + 3] + v3 * table[2 * v30 + 2];
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v28 = v3;
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v3 = table[v12];
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LittleEndian.Pack ((short)(table[v12] + 0.5), m_output, dst);
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dst += 2;
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}
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++v12;
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}
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v5 = m_input[src++];
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}
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return m_output;
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}
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}
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}
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@ -146,13 +146,15 @@ Onsen Kankou Yukemuri Chijou<br/>
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<tr><td>*.pt1</td><td>-</td><td>No</td></tr>
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<tr class="odd"><td>*.pak</td><td><tt>DataPack5</tt><br/><tt>GsPack4</tt></td><td>No</td><td rowspan="2">Root</td><td rowspan="2">Para-Sol</td></tr>
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<tr class="odd"><td>*</td><td><tt>\x00\x00\x04\x00</tt></td><td>No</td></tr>
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<tr><td>*.war</td><td><tt>WARC 1.7</tt></td><td>No</td><td rowspan="3">Shiina Rio</td><td rowspan="3">
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<tr><td>*.war</td><td><tt>WARC 1.7</tt><br/><tt>WARC 1.3</tt></td><td>No</td><td rowspan="4">Shiina Rio</td><td rowspan="4">
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Classmate no Okaa-san<br/>
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Helter Skelter<br/>
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Mahou Shoujo no Taisetsu na Koto<br/>
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Itsuka, Dokoka de ~Ano Ameoto no Kioku~<br/>
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</td></tr>
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<tr><td>*.s25</td><td><tt>S25</tt></td><td>No</td></tr>
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<tr><td>*.ogv</td><td><tt>OGV</tt></td><td>No</td></tr>
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<tr><td>*.pad</td><td><tt>PAD</tt></td><td>No</td></tr>
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<tr class="odd"><td>*</td><td><tt>ARC2</tt><br/><tt>ARC1</tt></td><td>No</td><td>AST</td><td>Jokyoushi wo Kurau</td></tr>
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<tr><td>*.dat</td><td>-</td><td>No</td><td>Ail</td><td>Ragna☆彡Science</td></tr>
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<tr class="odd"><td>*.lpk</td><td><tt>LPK1</tt></td><td>No</td><td rowspan="2">Lucifen</td><td rowspan="2">
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@ -197,6 +199,7 @@ Onna Kyoushi
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X Change R<br/>
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X Change<br/>
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X Change 2<br/>
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X Change 2R<br/>
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</td></tr>
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<tr class="odd"><td>*.cwp</td><td><tt>CWDP</tt></td><td>Yes</td></tr>
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<tr class="odd"><td>*.cwd</td><td><tt>cwd</tt></td><td>No</td></tr>
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