--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/com/sun/media/sound/ModelAbstractChannelMixer.java	Mon Jan 19 20:11:58 2009 +0300
@@ -0,0 +1,126 @@
+/*
+ * Copyright 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;
+
+/**
+ * ModelAbstractChannelMixer is ready for use class to implement
+ * ModelChannelMixer interface.
+ *
+ * @author Karl Helgason
+ */
+public abstract class ModelAbstractChannelMixer implements ModelChannelMixer {
+
+    public abstract boolean process(float[][] buffer, int offset, int len);
+
+    public abstract void stop();
+
+    public void allNotesOff() {
+    }
+
+    public void allSoundOff() {
+    }
+
+    public void controlChange(int controller, int value) {
+    }
+
+    public int getChannelPressure() {
+        return 0;
+    }
+
+    public int getController(int controller) {
+        return 0;
+    }
+
+    public boolean getMono() {
+        return false;
+    }
+
+    public boolean getMute() {
+        return false;
+    }
+
+    public boolean getOmni() {
+        return false;
+    }
+
+    public int getPitchBend() {
+        return 0;
+    }
+
+    public int getPolyPressure(int noteNumber) {
+        return 0;
+    }
+
+    public int getProgram() {
+        return 0;
+    }
+
+    public boolean getSolo() {
+        return false;
+    }
+
+    public boolean localControl(boolean on) {
+        return false;
+    }
+
+    public void noteOff(int noteNumber) {
+    }
+
+    public void noteOff(int noteNumber, int velocity) {
+    }
+
+    public void noteOn(int noteNumber, int velocity) {
+    }
+
+    public void programChange(int program) {
+    }
+
+    public void programChange(int bank, int program) {
+    }
+
+    public void resetAllControllers() {
+    }
+
+    public void setChannelPressure(int pressure) {
+    }
+
+    public void setMono(boolean on) {
+    }
+
+    public void setMute(boolean mute) {
+    }
+
+    public void setOmni(boolean on) {
+    }
+
+    public void setPitchBend(int bend) {
+    }
+
+    public void setPolyPressure(int noteNumber, int pressure) {
+    }
+
+    public void setSolo(boolean soloState) {
+    }
+}