GARbro-mirror/ArcFormats/Tmr-Hiro/AudioTmr.cs

119 lines
3.8 KiB
C#

//! \file AudioTmr.cs
//! \date Wed Dec 23 16:23:48 2015
//! \brief Tmr-Hiro WAV audio.
//
// 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 System.Text;
using GameRes.Compression;
using GameRes.Utility;
namespace GameRes.Formats.TmrHiro
{
[Export(typeof(AudioFormat))]
public class TmrHiroAudio : AudioFormat
{
public override string Tag { get { return "WAV/TMR-HIRO"; } }
public override string Description { get { return "Tmr-Hiro wave audio"; } }
public override uint Signature { get { return 0; } }
public TmrHiroAudio ()
{
Extensions = new string[] { "" };
}
public override SoundInput TryOpen (Stream file)
{
if (file.ReadByte() != 0x44)
return null;
file.Position = 4;
if (file.ReadByte() != 0)
return null;
int length = ReadInt32 (file);
if (length != file.Length - 9)
return null;
return new RawInput (file, length);
}
private static int ReadInt32 (Stream file)
{
int dword = file.ReadByte();
dword |= file.ReadByte() << 8;
dword |= file.ReadByte() << 16;
dword |= file.ReadByte() << 24;
return dword;
}
}
public class RawInput : SoundInput
{
public override string SourceFormat { get { return "raw"; } }
public override int SourceBitrate
{
get { return (int)Format.AverageBytesPerSecond * 8; }
}
public RawInput (Stream file, int data_length) : base (new StreamRegion (file, 9, data_length))
{
this.Format = new WaveFormat
{
FormatTag = 1,
Channels = 2,
SamplesPerSecond = 44100,
BitsPerSample = 16,
BlockAlign = 4,
AverageBytesPerSecond = 44100*4,
};
this.PcmSize = data_length;
}
#region IO.Stream methods
public override long Position
{
get { return Source.Position; }
set { Source.Position = value; }
}
public override bool CanSeek { get { return Source.CanSeek; } }
public override long Seek (long offset, SeekOrigin origin)
{
return Source.Seek (offset, origin);
}
public override int Read (byte[] buffer, int offset, int count)
{
return Source.Read (buffer, offset, count);
}
public override int ReadByte ()
{
return Source.ReadByte();
}
#endregion
}
}