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(AwfOpener): prepend WAVE header to audio files.

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This commit is contained in:
morkt 2015-11-15 14:08:01 +04:00
parent 83ebaec6be
commit d63477801b
1 changed files with 27 additions and 4 deletions
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31
ArcFormats/Silky/ArcAWF.cs
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@ -59,10 +59,6 @@ namespace GameRes.Formats.Silky
for (int i = 0; i < count; ++i)
{
var name = file.View.ReadString (index_offset, 0x20);
// haven't figured out this field yet.
// int compression = file.View.ReadInt32 (index_offset+0x28);
// if (-1 == compression)
// name = Path.ChangeExtension (name, "mp3");
if (is_mp3)
name = Path.ChangeExtension (name, "mp3");
var entry = FormatCatalog.Instance.Create<Entry> (name);
@ -75,5 +71,32 @@ namespace GameRes.Formats.Silky
}
return new ArcFile (file, this, dir);
}
public override Stream OpenEntry (ArcFile arc, Entry entry)
{
if (entry.Name.EndsWith (".mp3", StringComparison.InvariantCultureIgnoreCase))
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);
}
}
}