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Wild bug PCM audio format.

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morkt
2015-08-11 17:49:10 +04:00
parent d41c9330f9
commit 429ac63a30
1 changed files with 79 additions and 0 deletions
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79
ArcFormats/AudioWPN.cs Normal file
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//! \file AudioWPN.cs
//! \date Mon Aug 10 09:22:18 2015
//! \brief Wild Bug audio format.
//
// Copyright (C) 2015 by morkt
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//
using System;
using System.ComponentModel.Composition;
using System.IO;
using GameRes.Utility;
namespace GameRes.Formats.WildBug
{
[Export(typeof(AudioFormat))]
public class WpnAudio : AudioFormat
{
public override string Tag { get { return "WPN"; } }
public override string Description { get { return "Wild Bug's audio format"; } }
public override uint Signature { get { return 0x1A444257; } } // 'WBD'
public override SoundInput TryOpen (Stream file)
{
var header = new byte[0x24];
if (header.Length != file.Read (header, 0, header.Length))
return null;
if (!Binary.AsciiEqual (header, 4, "WAV"))
return null;
if (LittleEndian.ToInt32 (header, 8) < 2)
return null;
int fmt_offset = LittleEndian.ToInt32 (header, 0x10);
int fmt_size = LittleEndian.ToInt32 (header, 0x14);
int data_offset = LittleEndian.ToInt32 (header, 0x1C);
int data_size = LittleEndian.ToInt32 (header, 0x20);
var wav_header = new byte[8+12+fmt_size+8];
Buffer.BlockCopy (WavHeader, 0, wav_header, 0, WavHeader.Length);
LittleEndian.Pack (wav_header.Length-8+data_size, wav_header, 4);
LittleEndian.Pack (fmt_size, wav_header, 0x10);
file.Position = fmt_offset;
file.Read (wav_header, 0x14, fmt_size);
int d = wav_header.Length-8;
wav_header[d++]= (byte)'d';
wav_header[d++]= (byte)'a';
wav_header[d++]= (byte)'t';
wav_header[d++]= (byte)'a';
LittleEndian.Pack (data_size, wav_header, d);
var wav_data = new StreamRegion (file, data_offset, data_size);
return new WaveInput (new PrefixStream (wav_header, wav_data));
}
static readonly byte[] WavHeader = new byte[] {
(byte)'R', (byte)'I', (byte)'F', (byte)'F', 0, 0, 0, 0,
(byte)'W', (byte)'A', (byte)'V', (byte)'E', (byte)'f', (byte)'m', (byte)'t', 0x20,
};
public override void Write (SoundInput source, Stream output)
{
throw new System.NotImplementedException ("WpnFormat.Write not implemenented");
}
}
}