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/*
* localaudioplayer.java * * created on 2006年10月9日, 下午10:52 * * to change this template, choose tools | options and locate the template under * the source creation and management node. right-click the template and choose * open. you can then make changes to the template in the source editor. */
package netbeans.david.mah_jong;
import javax.microedition.media.*;import javax.microedition.media.control.*;import java.io.*;/** *作者：戴俊华 软件大三的游戏方向学生 *这个类实现了本地音乐资源的播放，以及状态的转换 *同时播放器的参数也可以设置 *希望有用 *转载请带上本地url以及作者 */public class localaudioplayer{ public player player; public string filename; public string format; public boolean succ=true; public localaudioplayer(string filename,string format, boolean loadfile) { this.format= format; this.filename = filename; if(loadfile) loadfromeresource();//加载资源 } public localaudioplayer(string filename, string format) { this.format = format; this.filename =filename; } public localaudioplayer() { this.format = null; this.filename =null; }
public void loadfromeresource() {
try { inputstream is = getclass().getresourceasstream(filename);///把资源加载进输入流 player = manager.createplayer(is, format); } catch(ioexception ex){ succ=false; } catch(mediaexception ex){ succ=false; } } public void setloop()//设置一直循环播放 { if(player!=null) player.setloopcount(-1); } public void setvolume(int level)//音量控制 level范围是0--100 { if(player!=null){ volumecontrol control = (volumecontrol)player.getcontrol("volumecontrol"); control.setlevel(level); } } public void stop() { if(player!=null){ try{ player.stop(); }catch(mediaexception ex){
}
} } public void play() { if(player!=null){ try{ player.deallocate();//实现播放器的状态装换 player.realize(); player.prefetch(); player.start(); }catch(mediaexception ex){ succ=false; } } } public void replay()//重新播放一次，先释放资源再加载进入 { close(); system.gc();//释放 loadfromeresource();//加载 play(); } public void close() { if(player!=null){ player.close();//关闭播放器 player=null; } }}