(Legacy): PKZ archives, JBP images and KOG audio.

Legacy/Sviu/AudioKOG.cs

@@ -0,0 +1,55 @@
+//! \file       AudioKOG.cs
+//! \date       2018 Aug 27
+//! \brief      SVIU System audio (OGG)
+//
+// Copyright (C) 2018 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;
+
+namespace GameRes.Formats.Sviu
+{
+    [Export(typeof(AudioFormat))]
+    public class KogAudio : AudioFormat
+    {
+        public override string         Tag { get { return "KOG"; } }
+        public override string Description { get { return "SVIU System audio format (Ogg/Vorbis)"; } }
+        public override uint     Signature { get { return 0; } }
+        public override bool      CanWrite { get { return false; } }
+
+        public override SoundInput TryOpen (IBinaryStream file)
+        {
+            if (file.Signature != 0)
+                return null;
+            var header = file.ReadHeader (8);
+            int header_size = header.ToInt32 (4);
+            file.Position = header_size;
+            uint signature = file.ReadUInt32();
+            if (signature != OggAudio.Instance.Signature)
+                return null;
+            var input = new StreamRegion (file.AsStream, header_size);
+            var ogg = new BinaryStream (input, file.Name);
+            return new OggInput (ogg);
+        }
+    }
+}