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80 lines
3.4 KiB
C#
80 lines
3.4 KiB
C#
//! \file AudioWPN.cs
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//! \date Mon Aug 10 09:22:18 2015
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//! \brief Wild Bug 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.WildBug
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{
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[Export(typeof(AudioFormat))]
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public class WpnAudio : AudioFormat
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{
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public override string Tag { get { return "WPN"; } }
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public override string Description { get { return "Wild Bug's audio format"; } }
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public override uint Signature { get { return 0x1A444257; } } // 'WBD'
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public override SoundInput TryOpen (Stream file)
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{
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var header = new byte[0x24];
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if (header.Length != file.Read (header, 0, header.Length))
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return null;
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if (!Binary.AsciiEqual (header, 4, "WAV"))
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return null;
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if (LittleEndian.ToInt32 (header, 8) < 2)
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return null;
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int fmt_offset = LittleEndian.ToInt32 (header, 0x10);
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int fmt_size = LittleEndian.ToInt32 (header, 0x14);
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int data_offset = LittleEndian.ToInt32 (header, 0x1C);
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int data_size = LittleEndian.ToInt32 (header, 0x20);
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var wav_header = new byte[8+12+fmt_size+8];
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Buffer.BlockCopy (WavHeader, 0, wav_header, 0, WavHeader.Length);
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LittleEndian.Pack (wav_header.Length-8+data_size, wav_header, 4);
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LittleEndian.Pack (fmt_size, wav_header, 0x10);
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file.Position = fmt_offset;
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file.Read (wav_header, 0x14, fmt_size);
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int d = wav_header.Length-8;
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wav_header[d++]= (byte)'d';
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wav_header[d++]= (byte)'a';
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wav_header[d++]= (byte)'t';
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wav_header[d++]= (byte)'a';
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LittleEndian.Pack (data_size, wav_header, d);
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var wav_data = new StreamRegion (file, data_offset, data_size);
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return new WaveInput (new PrefixStream (wav_header, wav_data));
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}
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static readonly byte[] WavHeader = new byte[] {
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(byte)'R', (byte)'I', (byte)'F', (byte)'F', 0, 0, 0, 0,
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(byte)'W', (byte)'A', (byte)'V', (byte)'E', (byte)'f', (byte)'m', (byte)'t', 0x20,
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};
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public override void Write (SoundInput source, Stream output)
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{
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throw new System.NotImplementedException ("WpnFormat.Write not implemenented");
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}
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}
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}
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