mirror of
https://github.com/crskycode/GARbro.git
synced 2024-12-12 22:36:58 +08:00
73 lines
3.0 KiB
C#
73 lines
3.0 KiB
C#
//! \file AudioPCM.cs
|
|
//! \date Mon Oct 03 22:21:15 2016
|
|
//! \brief Ice Soft PCM audio file.
|
|
//
|
|
// Copyright (C) 2016 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.ComponentModel.Composition;
|
|
using System.IO;
|
|
using GameRes.Utility;
|
|
|
|
namespace GameRes.Formats.Ice
|
|
{
|
|
[Export(typeof(AudioFormat))]
|
|
public class IceAudio : AudioFormat
|
|
{
|
|
public override string Tag { get { return "PCM/ICE"; } }
|
|
public override string Description { get { return "Ice Soft PCM audio"; } }
|
|
public override uint Signature { get { return 0; } }
|
|
|
|
public IceAudio ()
|
|
{
|
|
Extensions = new string[] { "" };
|
|
Signatures = new uint[] { 0x010001, 0x020001 };
|
|
}
|
|
|
|
public override SoundInput TryOpen (IBinaryStream file)
|
|
{
|
|
var header = file.ReadHeader (0x16);
|
|
ushort tag = header.ToUInt16 (0);
|
|
if (tag != 1)
|
|
return null;
|
|
int extra_size = header.ToUInt16 (0x10);
|
|
if (0 != extra_size)
|
|
return null;
|
|
uint pcm_size = header.ToUInt32 (0x12);
|
|
if (pcm_size + 0x16 != file.Length)
|
|
return null;
|
|
var format = new WaveFormat { FormatTag = tag };
|
|
format.Channels = header.ToUInt16 (2);
|
|
if (format.Channels != 1 && format.Channels != 2)
|
|
return null;
|
|
format.SamplesPerSecond = header.ToUInt32 (4);
|
|
format.AverageBytesPerSecond = header.ToUInt32 (8);
|
|
format.BlockAlign = header.ToUInt16 (0xC);
|
|
format.BitsPerSample = header.ToUInt16 (0xE);
|
|
if (0 == format.AverageBytesPerSecond
|
|
|| format.SamplesPerSecond * format.BlockAlign != format.AverageBytesPerSecond)
|
|
return null;
|
|
var pcm = new StreamRegion (file.AsStream, 0x16, pcm_size);
|
|
return new RawPcmInput (pcm, format);
|
|
}
|
|
}
|
|
}
|