--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/com/sun/media/sound/SunCodec.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,99 @@
+/*
+ * Copyright 1999-2007 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code 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 General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package com.sun.media.sound;
+
+import java.io.InputStream;
+
+import javax.sound.sampled.AudioFormat;
+import javax.sound.sampled.AudioInputStream;
+
+import javax.sound.sampled.spi.FormatConversionProvider;
+
+
+/**
+ * A codec can encode and/or decode audio data.  It provides an
+ * AudioInputStream from which processed data may be read.
+ * <p>
+ * Its input format represents the format of the incoming
+ * audio data, or the format of the data in the underlying stream.
+ * <p>
+ * Its output format represents the format of the processed, outgoing
+ * audio data.  This is the format of the data which may be read from
+ * the filtered stream.
+ *
+ * @author Kara Kytle
+ */
+abstract class SunCodec extends FormatConversionProvider {
+
+    AudioFormat.Encoding[] inputEncodings;
+    AudioFormat.Encoding[] outputEncodings;
+
+    /**
+     * Constructs a new codec object.
+     */
+    protected SunCodec(AudioFormat.Encoding[] inputEncodings, AudioFormat.Encoding[] outputEncodings) {
+
+        this.inputEncodings = inputEncodings;
+        this.outputEncodings = outputEncodings;
+    }
+
+
+    /**
+     */
+    public AudioFormat.Encoding[] getSourceEncodings() {
+
+        AudioFormat.Encoding[] encodings = new AudioFormat.Encoding[inputEncodings.length];
+        System.arraycopy(inputEncodings, 0, encodings, 0, inputEncodings.length);
+        return encodings;
+    }
+    /**
+     */
+    public AudioFormat.Encoding[] getTargetEncodings() {
+
+        AudioFormat.Encoding[] encodings = new AudioFormat.Encoding[outputEncodings.length];
+        System.arraycopy(outputEncodings, 0, encodings, 0, outputEncodings.length);
+        return encodings;
+    }
+
+    /**
+     */
+    public abstract AudioFormat.Encoding[] getTargetEncodings(AudioFormat sourceFormat);
+
+
+    /**
+     */
+    public abstract AudioFormat[] getTargetFormats(AudioFormat.Encoding targetEncoding, AudioFormat sourceFormat);
+
+
+    /**
+     */
+    public abstract AudioInputStream getAudioInputStream(AudioFormat.Encoding targetEncoding, AudioInputStream sourceStream);
+    /**
+     */
+    public abstract AudioInputStream getAudioInputStream(AudioFormat targetFormat, AudioInputStream sourceStream);
+
+
+}