1 /* 2 * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 package com.sun.media.sound; 26 27 import javax.sound.midi.MidiChannel; 28 29 /** 30 * ModelChannelMixer is used to process channel voice mix output before going 31 * to master output.<br> 32 * It can be used to:<br> 33 * <ul> 34 * <li>Implement non-voice oriented instruments.</li> 35 * <li>Add insert effect to instruments; for example distortion effect.</li> 36 * </ui> 37 * <p> 38 * <b>Warning! Classes that implements ModelChannelMixer must be thread-safe.</b> 39 * 40 * @author Karl Helgason 41 */ 42 public interface ModelChannelMixer extends MidiChannel { 43 44 // Used to process input audio from voices mix. 45 public boolean process(float[][] buffer, int offset, int len); 46 47 // Is used to trigger that this mixer is not be used 48 // and it should fade out. 49 public void stop(); 50 }