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104 lines
5.3 KiB
C#
104 lines
5.3 KiB
C#
//! \file AudioPW.cs
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//! \date 2017 Nov 24
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//! \brief Bell-Da compressed WAVE file.
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//
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// Copyright (C) 2017 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.ComponentModel.Composition;
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using System.IO;
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using GameRes.Utility;
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namespace GameRes.Formats.BellDa
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{
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[Export(typeof(AudioFormat))]
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public class PwAudio : AudioFormat
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{
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public override string Tag { get { return "WAV/PW"; } }
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public override string Description { get { return "BELL-DA compressed WAVE audio"; } }
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public override uint Signature { get { return 0x30315750; } } // 'PW10'
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public override bool CanWrite { get { return false; } }
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public override SoundInput TryOpen (IBinaryStream file)
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{
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var header = file.ReadHeader (0x14);
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if (!header.AsciiEqual (0xC, "fmt "))
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return null;
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int fmt_size = header.ToInt32 (0x10);
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header = file.ReadHeader (0x14+fmt_size+8);
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if (!header.AsciiEqual (0x14+fmt_size, "data"))
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return null;
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int pcm_size = header.ToInt32 (0x18+fmt_size);
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var pcm_data = new byte[pcm_size*2];
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for (int i = 0; i < pcm_data.Length; i += 2)
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{
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LittleEndian.Pack (PcmTable[file.ReadUInt8()], pcm_data, i);
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}
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var format = new WaveFormat {
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FormatTag = header.ToUInt16 (0x14),
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Channels = header.ToUInt16 (0x16),
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SamplesPerSecond = header.ToUInt32 (0x18),
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BlockAlign = (ushort)(header.ToUInt16 (0x20) * 2),
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BitsPerSample = 16,
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};
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format.SetBPS();
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var pcm = new MemoryStream (pcm_data);
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file.Dispose();
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return new RawPcmInput (pcm, format);
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}
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static readonly ushort[] PcmTable = {
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0x8000, 0x8001, 0x8786, 0x8E99, 0x9542, 0x9B87, 0xA16E, 0xA6FC,
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0xAC37, 0xB123, 0xB5C5, 0xBA22, 0xBE3C, 0xC21A, 0xC5BD, 0xC929,
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0xCC62, 0xCF6B, 0xD246, 0xD4F6, 0xD77E, 0xD9DF, 0xDC1D, 0xDE39,
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0xE036, 0xE215, 0xE3D7, 0xE57F, 0xE70E, 0xE886, 0xE9E8, 0xEB35,
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0xEC6E, 0xED95, 0xEEAB, 0xEFB0, 0xF0A6, 0xF18E, 0xF268, 0xF335,
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0xF3F6, 0xF4AC, 0xF557, 0xF5F8, 0xF690, 0xF71F, 0xF7A5, 0xF823,
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0xF89A, 0xF90A, 0xF974, 0xF9D7, 0xFA35, 0xFA8D, 0xFADF, 0xFB2D,
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0xFB77, 0xFBBC, 0xFBFD, 0xFC3A, 0xFC74, 0xFCAA, 0xFCDD, 0xFD0D,
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0xFD3A, 0xFD65, 0xFD8D, 0xFDB2, 0xFDD6, 0xFDF7, 0xFE17, 0xFE34,
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0xFE50, 0xFE6A, 0xFE83, 0xFE9A, 0xFEB0, 0xFEC5, 0xFED8, 0xFEEA,
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0xFEFC, 0xFF0C, 0xFF1B, 0xFF29, 0xFF37, 0xFF44, 0xFF4F, 0xFF5B,
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0xFF65, 0xFF6F, 0xFF79, 0xFF81, 0xFF8A, 0xFF92, 0xFF99, 0xFFA0,
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0xFFA6, 0xFFAD, 0xFFB2, 0xFFB8, 0xFFBD, 0xFFC2, 0xFFC6, 0xFFCB,
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0xFFCF, 0xFFD2, 0xFFD6, 0xFFD9, 0xFFDC, 0xFFDF, 0xFFE2, 0xFFE5,
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0xFFE7, 0xFFEA, 0xFFEC, 0xFFEE, 0xFFF0, 0xFFF2, 0xFFF3, 0xFFF5,
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0xFFF7, 0xFFF8, 0xFFF9, 0xFFFB, 0xFFFC, 0xFFFD, 0xFFFE, 0xFFFF,
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0x0000, 0x0001, 0x0002, 0x0003, 0x0004, 0x0005, 0x0007, 0x0008,
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0x0009, 0x000B, 0x000D, 0x000E, 0x0010, 0x0012, 0x0014, 0x0016,
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0x0019, 0x001B, 0x001E, 0x0021, 0x0024, 0x0027, 0x002A, 0x002E,
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0x0031, 0x0035, 0x003A, 0x003E, 0x0043, 0x0048, 0x004E, 0x0053,
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0x005A, 0x0060, 0x0067, 0x006E, 0x0076, 0x007F, 0x0087, 0x0091,
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0x009B, 0x00A5, 0x00B1, 0x00BC, 0x00C9, 0x00D7, 0x00E5, 0x00F4,
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0x0104, 0x0116, 0x0128, 0x013B, 0x0150, 0x0166, 0x017D, 0x0196,
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0x01B0, 0x01CC, 0x01E9, 0x0209, 0x022A, 0x024E, 0x0273, 0x029B,
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0x02C6, 0x02F3, 0x0323, 0x0356, 0x038C, 0x03C6, 0x0403, 0x0444,
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0x0489, 0x04D3, 0x0521, 0x0573, 0x05CB, 0x0629, 0x068C, 0x06F6,
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0x0766, 0x07DD, 0x085B, 0x08E1, 0x0970, 0x0A08, 0x0AA9, 0x0B54,
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0x0C0A, 0x0CCB, 0x0D98, 0x0E72, 0x0F5A, 0x1050, 0x1155, 0x126B,
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0x1392, 0x14CB, 0x1618, 0x177A, 0x18F2, 0x1A81, 0x1C29, 0x1DEB,
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0x1FCA, 0x21C7, 0x23E3, 0x2621, 0x2882, 0x2B0A, 0x2DBA, 0x3095,
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0x339E, 0x36D7, 0x3A43, 0x3DE6, 0x41C4, 0x45DE, 0x4A3B, 0x4EDD,
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0x53C9, 0x5904, 0x5E92, 0x6479, 0x6ABE, 0x7167, 0x787A, 0x7FFF,
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};
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}
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}
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