Fixed mp3 playing, refactored to avoid duplicating code.

git-svn-id: svn+ssh://src.earth.threerings.net/nenya/trunk@153 ed5b42cb-e716-0410-a449-f6a68f950b19

src/java/com/threerings/openal/OggStreamDecoder.java

@@ -0,0 +1,68 @@
+//
+// $Id: OggFileStream.java 119 2007-01-24 00:22:12Z dhoover $
+//
+// Narya library - tools for developing networked games
+// Copyright (C) 2002-2005 Three Rings Design, Inc., All Rights Reserved
+// http://www.threerings.net/code/narya/
+//
+// This library is free software; you can redistribute it and/or modify it
+// under the terms of the GNU Lesser General Public License as published
+// by the Free Software Foundation; either version 2.1 of the License, or
+// (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+package com.threerings.openal;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+import java.nio.ByteBuffer;
+
+import org.lwjgl.openal.AL10;
+
+import com.jmex.sound.openAL.objects.util.OggInputStream;
+
+/**
+ * Decodes Ogg Vorbis streams.
+ */
+public class OggStreamDecoder
+    implements StreamDecoder
+{
+    // documentation inherited
+    public void init (InputStream in)
+        throws IOException
+    {
+        _istream = new OggInputStream(in);
+    }
+
+    // documentation inherited
+    public int getFormat ()
+    {
+        return (_istream.getFormat() == OggInputStream.FORMAT_MONO16) ?
+            AL10.AL_FORMAT_MONO16 : AL10.AL_FORMAT_STEREO16;
+    }
+
+    // documentation inherited
+    public int getFrequency ()
+    {
+        return _istream.getRate();
+    }
+
+    // documentation inherited
+    public int read (ByteBuffer buf)
+        throws IOException
+    {
+        return _istream.read(buf, buf.position(), buf.remaining());
+    }
+
+    /** The underlying Ogg input stream. */
+    protected OggInputStream _istream;
+}