mirror of
https://github.com/crskycode/GARbro.git
synced 2024-12-28 05:44:12 +08:00
103 lines
4.2 KiB
C#
103 lines
4.2 KiB
C#
//! \file ArcAWF.cs
|
|
//! \date Thu Nov 05 01:47:53 2015
|
|
//! \brief Silky's audio archive.
|
|
//
|
|
// 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.Collections.Generic;
|
|
using System.ComponentModel.Composition;
|
|
using System.IO;
|
|
using GameRes.Utility;
|
|
|
|
namespace GameRes.Formats.Silky
|
|
{
|
|
[Export(typeof(ArchiveFormat))]
|
|
public class AwfOpener : ArchiveFormat
|
|
{
|
|
public override string Tag { get { return "AWF"; } }
|
|
public override string Description { get { return "Silky's audio archive"; } }
|
|
public override uint Signature { get { return 0; } }
|
|
public override bool IsHierarchic { get { return false; } }
|
|
public override bool CanWrite { get { return false; } }
|
|
|
|
public override ArcFile TryOpen (ArcView file)
|
|
{
|
|
// enforce extension to avoid false positives
|
|
if (!file.Name.HasExtension (".awf"))
|
|
return null;
|
|
int count = file.View.ReadInt32 (0);
|
|
if (!IsSaneCount (count))
|
|
return null;
|
|
uint index_offset = 4;
|
|
uint index_size = (uint)count*0x34;
|
|
if (index_size > file.View.Reserve (index_offset, index_size))
|
|
return null;
|
|
|
|
// rather loose criterion, haven't found anything better yet.
|
|
bool is_mp3 = VFS.IsPathEqualsToFileName (file.Name, "voice.awf");
|
|
var dir = new List<Entry> (count);
|
|
for (int i = 0; i < count; ++i)
|
|
{
|
|
var name = file.View.ReadString (index_offset, 0x20);
|
|
if (is_mp3)
|
|
name = Path.ChangeExtension (name, "mp3");
|
|
var entry = FormatCatalog.Instance.Create<Entry> (name);
|
|
entry.Offset = file.View.ReadUInt32 (index_offset+0x20);
|
|
entry.Size = file.View.ReadUInt32 (index_offset+0x24);
|
|
if (!entry.CheckPlacement (file.MaxOffset))
|
|
return null;
|
|
dir.Add (entry);
|
|
index_offset += 0x34;
|
|
}
|
|
return new ArcFile (file, this, dir);
|
|
}
|
|
|
|
public override Stream OpenEntry (ArcFile arc, Entry entry)
|
|
{
|
|
if (entry.Name.HasExtension (".mp3"))
|
|
return base.OpenEntry (arc, entry);
|
|
// prepend WAV header
|
|
var header = new byte[0x2C];
|
|
using (var mem = new MemoryStream (header))
|
|
using (var wav = new BinaryWriter (mem))
|
|
{
|
|
wav.Write ("RIFF".ToCharArray());
|
|
wav.Write ((uint)(entry.Size + 0x24u));
|
|
wav.Write ("WAVE".ToCharArray());
|
|
wav.Write ("fmt ".ToCharArray());
|
|
wav.Write (0x10);
|
|
wav.Write ((ushort)1);
|
|
wav.Write ((ushort)2);
|
|
wav.Write (22050);
|
|
wav.Write (22050*4);
|
|
wav.Write ((ushort)4);
|
|
wav.Write ((ushort)16);
|
|
wav.Write ("data".ToCharArray());
|
|
wav.Write (entry.Size);
|
|
}
|
|
var pcm = arc.File.CreateStream (entry.Offset, entry.Size);
|
|
return new PrefixStream (header, pcm);
|
|
}
|
|
}
|
|
}
|