javasoundapplet.java

声音处理演示程序

/*
 * @(#)JavaSoundApplet.java	1.2	00/01/31
 *
 * Copyright (c) 1998, 1999 by Sun Microsystems, Inc. All Rights Reserved.
 * 
 * Sun grants you ("Licensee") a non-exclusive, royalty free, license to use,
 * modify and redistribute this software in source and binary code form,
 * provided that i) this copyright notice and license appear on all copies of
 * the software; and ii) Licensee does not utilize the software in a manner
 * which is disparaging to Sun.
 * 
 * This software is provided "AS IS," without a warranty of any kind. ALL
 * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
 * IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
 * NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE
 * LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
 * OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS
 * LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
 * INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
 * CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF
 * OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGES.
 * 
 * This software is not designed or intended for use in on-line control of
 * aircraft, air traffic, aircraft navigation or aircraft communications; or in
 * the design, construction, operation or maintenance of any nuclear
 * facility. Licensee represents and warrants that it will not use or
 * redistribute the Software for such purposes.
 */

import javax.swing.JApplet;

/**
 * A demo that shows JavaSound features. 
 *
 * Parameters that can be used in the JavaSound.html file inside
 * the applet tag to customize demo runs :
 *            <param name="dir" value="audioDirectory">
 *
 * @(#)JavaSoundApplet.java	1.2	00/01/31
 * @author Brian Lichtenwalter 
 */
public class JavaSoundApplet extends JApplet {

    static JavaSoundApplet applet;
    private JavaSound demo;

    public void init() {
        applet = this;
        String media = "./audio";
        String param = null;
        if ((param = getParameter("dir")) != null) {
            media = param;
        } 
        getContentPane().add("Center", demo = new JavaSound(media));
    }

    public void start() {
        demo.open();
    }

    public void stop() {
        demo.close();
    }
}