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/* * Copyright (c) 2007, Oracle and/or its affiliates. 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.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */package com.sun.media.sound; import java.io.IOException; import javax.sound.sampled.AudioInputStream;import javax.sound.sampled.SourceDataLine; /** * This is a processor object that writes into SourceDataLine * * @author Karl Helgason */public class SoftAudioPusher implements Runnable {     private volatile boolean active = false;    private SourceDataLine sourceDataLine = null;    private Thread audiothread;    private AudioInputStream ais;    private byte[] buffer;     public SoftAudioPusher(SourceDataLine sourceDataLine, AudioInputStream ais,            int workbuffersizer) {        this.ais = ais;        this.buffer = new byte[workbuffersizer];        this.sourceDataLine = sourceDataLine;    }     public synchronized void start() {        if (active)            return;        active = true;        audiothread = new Thread(this);        audiothread.setDaemon(true);        audiothread.setPriority(Thread.MAX_PRIORITY);        audiothread.start();    }     public synchronized void stop() {        if (!active)            return;        active = false;        try {            audiothread.join();        } catch (InterruptedException e) {            //e.printStackTrace();        }    }     public void run() {        byte[] buffer = SoftAudioPusher.this.buffer;        AudioInputStream ais = SoftAudioPusher.this.ais;        SourceDataLine sourceDataLine = SoftAudioPusher.this.sourceDataLine;         try {            while (active) {                // Read from audio source                int count = ais.read(buffer);                if(count < 0) break;                // Write byte buffer to source output                sourceDataLine.write(buffer, 0, count);            }        } catch (IOException e) {            active = false;            //e.printStackTrace();        }     }}