/*
 * File    : ClipWrapper.java
 * Created : 04-aug-2004 16:20
 * By      : fbusquets
 *
 * JClic - Authoring and playing system for educational activities
 *
 * Copyright (C) 2000 - 2005 Francesc Busquets & Departament
 * d'Educacio de la Generalitat de Catalunya                                        
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 for more details (see the LICENSE file).
 */

package edu.xtec.jclic.media;

import edu.xtec.jclic.bags.MediaBag;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.Clip;

/**
 *
 * @author Francesc Busquets (fbusquets@xtec.cat)
 */
public class ClipWrapper implements PseudoClip{
    
    private Clip clip;
    private AudioInputStream ais;
    
    /** Creates a new instance of ClipWrapper */
    private ClipWrapper(AudioInputStream ais, Clip clip) {
        this.clip=clip;
        this.ais=ais;
    }
    
    public static ClipWrapper getClipWrapper(MediaBag mb, String mediaFileName) throws Exception{
        ClipWrapper result=null;
        JavaSoundAudioPlayer jsap=new JavaSoundAudioPlayer();
        jsap.setDataSource(mb.getMediaDataSource(mediaFileName));
        AudioInputStream ais=jsap.ais;
        Clip clip=jsap.getClip();
        return (ais==null || clip==null) ? null : new ClipWrapper(ais, clip);
    }
    
    public void close() {
        clip.close();
    }    
    
    public javax.sound.sampled.AudioFormat getFormat() {
        return clip.getFormat();
    }    
    
    public boolean isActive() {
        return clip.isActive();
    }
    
    public boolean isOpen() {
        return clip.isOpen();
    }
    
    public boolean isRunning() {
        return clip.isRunning();
    }
    
    public void loop(int count) throws Exception{
        clip.loop(count);
    }
    
    public void open() throws Exception{
        clip.open(ais);
    }
    
    public void setFramePosition(int frames) {
        clip.setFramePosition(frames);
    }
    
    public void setLoopPoints(int start, int end) {
        clip.setLoopPoints(start, end);
    }
    
    public void start() throws Exception{
        clip.start();
    }
    
    public void stop() {
        clip.stop();
    }
    
}