这是我的健全课。
Mean: 10.9033333333
std : 1.27881021092
这是我的ActionListener,我想在用户点击按钮时停止音乐。音乐在启动时播放。
public class Sounds extends Thread {
private String filename;
private Position curPosition;
private final int EXTERNAL_BUFFER_SIZE = 524288;
enum Position {
LEFT, RIGHT, NORMAL
};
public Sounds(String wavFile) {
filename = wavFile;
curPosition = Position.NORMAL;
}
public Sounds(String wavfile, Position p) {
filename = wavfile;
curPosition = p;
}
public void run() {
File soundFile = new File(filename);
if (!soundFile.exists()) {
System.err.println(".wav file not found: " + filename);
return;
}
AudioInputStream audioInputStream = null;
try {
audioInputStream = AudioSystem.getAudioInputStream(soundFile);
} catch (UnsupportedAudioFileException e1) {
e1.printStackTrace();
return;
} catch (IOException e1) {
e1.printStackTrace();
return;
}
AudioFormat format = audioInputStream.getFormat();
SourceDataLine auline = null;
DataLine.Info info = new DataLine.Info(SourceDataLine.class, format);
try {
auline = (SourceDataLine) AudioSystem.getLine(info);
auline.open(format);
} catch (LineUnavailableException e) {
e.printStackTrace();
return;
} catch (Exception e) {
e.printStackTrace();
return;
}
if (auline.isControlSupported(FloatControl.Type.PAN)) {
FloatControl pan = (FloatControl) auline
.getControl(FloatControl.Type.PAN);
if (curPosition == Position.RIGHT)
pan.setValue(1.0f);
else if (curPosition == Position.LEFT)
pan.setValue(-1.0f);
}
auline.start();
int nBytesRead = 0;
byte[] abData = new byte[EXTERNAL_BUFFER_SIZE];
try {
while (nBytesRead != -1) {
nBytesRead = audioInputStream.read(abData, 0, abData.length);
if (nBytesRead >= 0)
auline.write(abData, 0, nBytesRead);
}
} catch (IOException e) {
e.printStackTrace();
return;
} finally {
auline.drain();
auline.close();
}
}
}
我可以让音乐播放得很好,但我无法弄清楚如何阻止它。我尝试使用.stop()和.end(),但我被告知他们已被弃用。任何人都知道我该怎么做?感谢。
答案 0 :(得分:1)
您可以使用剪辑类。这是我读取.wav文件并播放它的代码:
try {
File file = new File(src); // src is the location of the file
AudioInputStream stream = AudioSystem.getAudioInputStream(file);
Clip clip = AudioSystem.getClip();
clip.open(stream);
clip.start();
} catch (Exception e) {
e.printStackTrace();
}
也就是说,clip.stop()
将停止剪辑。要重置剪辑,请使用clip.setFramePosition(0)
。请注意,clip
不需要 关闭,因为如果在clip.close()
之后调用clip.start()
,则剪辑将无法播放。
希望这就是你要找的东西!
编辑:范围
在Java中使用作用域,如果在方法中声明局部变量,则无法在方法之外访问它。如果要访问main方法之外的剪辑,请将其解压缩到字段:
class Main {
static Clip clip;
public static void main (String... args) {
try {
File file...
clip = AudioSystem.getClip();
...
} catch...
}
}