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我目前卡在我的項目中,目前我可以播放音樂,但我希望能夠交換歌曲,這樣我就可以在主菜單主題和遊戲主題之間做出區別。停止播放中的剪輯
我已經編寫了解應用程序,有沒有辦法阻止剪輯播放(從我的軟件的另一部分),例如,通過將布爾值從true更改爲false。我嘗試了很多,比如使布爾變量變化,這樣它會在運行中發生變化,但沒有任何幫助。我需要找到一種方法來阻止運行中的剪輯,有人可以幫我解決這個問題嗎?
我寫了待辦事項代碼應該來停止剪輯,如果可能的話,你可以寫下代碼停止我的剪輯在運行內播放?
package sound;
import java.io.File;
import java.io.IOException;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.Clip;
import javax.sound.sampled.DataLine;
import javax.sound.sampled.FloatControl;
import javax.sound.sampled.LineEvent;
import javax.sound.sampled.LineListener;
import javax.sound.sampled.LineUnavailableException;
import javax.sound.sampled.UnsupportedAudioFileException;
public class Music implements LineListener, Runnable
{
private File soundFile;
private Thread thread;
private static Music player;
private Music audio;
private Clip clip;
private boolean stop;
/**
* Private because of the singleton
*/
public Music()
{
}
/**
* Play a siren sound
*/
public void playSiren(String musicFileName)
{
Music p = getPlayer();
p.playSirenFile(musicFileName);
}
/**
* Play the siren file
*/
private void playSirenFile(String musicFileName)
{
this.soundFile = new File("Music/"+musicFileName+".wav");
stop = true;
thread = new Thread(this);
thread.setName("SoundPlayer");
thread.start();
}
public Clip getClip()
{
return this.clip;
}
/**
* Invoked when the thread kicks off
*/
@SuppressWarnings("deprecation")
public void run()
{
try
{
AudioInputStream stream = AudioSystem.getAudioInputStream(this.soundFile);
AudioFormat format = stream.getFormat();
if ((format.getEncoding() == AudioFormat.Encoding.ULAW) || (format.getEncoding() == AudioFormat.Encoding.ALAW))
{
AudioFormat tmp = new AudioFormat(
AudioFormat.Encoding.PCM_SIGNED,
format.getSampleRate(),
format.getSampleSizeInBits() * 2, format.getChannels(),
format.getFrameSize() * 2, format.getFrameRate(), true);
stream = AudioSystem.getAudioInputStream(tmp, stream);
format = tmp;
}
DataLine.Info info = new DataLine.Info(Clip.class, stream
.getFormat(), ((int) stream.getFrameLength() * format
.getFrameSize()));
this.clip = (Clip) AudioSystem.getLine(info);
this.clip.addLineListener(this);
this.clip.open(stream);
this.clip.start();
try
{
thread.sleep(99);
}
catch (Exception e)
{
}
while (clip.isActive() && thread != null)
{
try
{
thread.sleep(99);
}
catch (Exception e)
{
break;
}
}
clip.loop(99999999);
}
catch (UnsupportedAudioFileException e)
{
e.printStackTrace();
}
catch (IOException e)
{
e.printStackTrace();
}
catch (LineUnavailableException e)
{
e.printStackTrace();
}
}
private static Music getPlayer()
{
if (player == null)
{
player = new Music();
}
return player;
}
public void update(LineEvent event)
{
}
public void stopClip()
{
// TODO NEED HELP HERE
}
public void closeClip()
{
clip.close();
}
public void startClip()
{
clip.start();
}
public void volume(float volume)
{
//TODO NEED HELP HERE
/*
FloatControl gainControl = (FloatControl) clip.getControl(FloatControl.Type.MASTER_GAIN);
gainControl.setValue(-50.0f); // Reduce volume IN DECIBELS
clip.start();
*/
}
}
爲了更好地爲您提供幫助,請在[相關主題]上發佈[SSCCE](http://pscode.org/sscce.html)(http://stackoverflow.com/questions/5833553/how-到停止-A-音樂卡子的Java/5834103#5834103)。請注意觀察員:*相關*,而不是*重複*。 – 2011-05-02 09:43:12