implemented ShiinaRio resources.

WARC archives;
S25 images;
OGV sound files.

ArcFormats/AudioOGV.cs

@@ -0,0 +1,58 @@
+//! \file       AudioOGV.cs
+//! \date       Sat Apr 18 14:18:47 2015
+//! \brief      ShiinaRio Ogg/Vorbis audio format.
+//
+// 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.ComponentModel.Composition;
+using System.IO;
+
+namespace GameRes.Formats.ShiinaRio
+{
+    [Export(typeof(AudioFormat))]
+    public class OgvAudio : OggAudio
+    {
+        public override string         Tag { get { return "OGV"; } }
+        public override string Description { get { return "ShiinaRio audio format (Ogg/Vorbis)"; } }
+        public override uint     Signature { get { return 0x0056474f; } } // 'OGV'
+        
+        public override SoundInput TryOpen (Stream file)
+        {
+            var input = file as MemoryStream;
+            if (null == input || !input.CanWrite)
+            {
+                input = new MemoryStream();
+                file.CopyTo (input);
+            }
+            // FIXME: doesn't work for memory streams with non-zero origin
+            var buf = input.GetBuffer();
+            buf[1] = (byte)'g';
+            buf[2] = (byte)'g';
+            buf[3] = (byte)'S';
+            input.Position = 0;
+            var ogg = new OggInput (input);
+            if (file != input)
+                file.Dispose();
+            return ogg;
+        }
+    }
+}