GARbro-mirror/ArcFormats/SysD/AudioDWV.cs

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//! \file AudioDWV.cs
//! \date 2017 Nov 25
//! \brief SYSD audio file.
//
// Copyright (C) 2017 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.SysD
{
[Export(typeof(AudioFormat))]
public class DwvAudio : AudioFormat
{
public override string Tag { get { return "DWV"; } }
public override string Description { get { return "SYSD engine PCM audio"; } }
public override uint Signature { get { return 0x5744; } } // 'DW'
public override bool CanWrite { get { return false; } }
public DwvAudio ()
{
Signatures = new uint[] { 0x5744, 0 };
}
public override SoundInput TryOpen (IBinaryStream file)
{
var header = file.ReadHeader (0x1C);
if (!header.AsciiEqual ("DW") || header.ToUInt32 (4) != file.Length)
return null;
var format = new WaveFormat {
FormatTag = header.ToUInt16 (8),
Channels = header.ToUInt16 (0xA),
SamplesPerSecond = header.ToUInt32 (0xC),
AverageBytesPerSecond = header.ToUInt32 (0x10),
BlockAlign = header.ToUInt16 (0x14),
BitsPerSample = 0x10,
};
uint pcm_size = header.ToUInt32 (0x18);
var pcm = new StreamRegion (file.AsStream, file.Position, pcm_size);
return new RawPcmInput (pcm, format);
}
}
}