[英]play wav file in jar - java netbeans
我有一个用于在Java中播放wav声音文件的代码,并且在netbeans IDE中可以完美地工作,但是,当我将项目导出到jar文件并在另一台机器上运行它时,它将无法工作并显示以下异常:
Exception in thread "AWT-EventQueue-0" java.lang.IllegalArgumentException: Invalid format
at org.classpath.icedtea.pulseaudio.PulseAudioDataLine.createStream(PulseAudioDataLine.java:142)
at org.classpath.icedtea.pulseaudio.PulseAudioDataLine.open(PulseAudioDataLine.java:99)
at org.classpath.icedtea.pulseaudio.PulseAudioDataLine.open(PulseAudioDataLine.java:283)
at org.classpath.icedtea.pulseaudio.PulseAudioClip.open(PulseAudioClip.java:402)
at org.classpath.icedtea.pulseaudio.PulseAudioClip.open(PulseAudioClip.java:453)
at quiz.Login.jButton3ActionPerformed(Login.java:178)
at quiz.Login.access$200(Login.java:36)
at quiz.Login$3.actionPerformed(Login.java:96)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2018)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2341)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252)
at java.awt.Component.processMouseEvent(Component.java:6505)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3312)
at java.awt.Component.processEvent(Component.java:6270)
at java.awt.Container.processEvent(Container.java:2229)
at java.awt.Component.dispatchEventImpl(Component.java:4861)
at java.awt.Container.dispatchEventImpl(Container.java:2287)
at java.awt.Component.dispatchEvent(Component.java:4687)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4832)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4492)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4422)
at java.awt.Container.dispatchEventImpl(Container.java:2273)
at java.awt.Window.dispatchEventImpl(Window.java:2719)
at java.awt.Component.dispatchEvent(Component.java:4687)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:729)
at java.awt.EventQueue.access$200(EventQueue.java:103)
at java.awt.EventQueue$3.run(EventQueue.java:688)
at java.awt.EventQueue$3.run(EventQueue.java:686)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:87)
at java.awt.EventQueue$4.run(EventQueue.java:702)
at java.awt.EventQueue$4.run(EventQueue.java:700)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:699)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)
我的代码是:
try {
// Open an audio input stream.
URL url = this.getClass().getClassLoader().getResource("music.wav");
AudioInputStream audioIn = AudioSystem.getAudioInputStream(url);
// Get a sound clip resource.
Clip clip = AudioSystem.getClip();
// Open audio clip and load samples from the audio input stream.
clip.open(audioIn);
clip.start();
} catch (UnsupportedAudioFileException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (LineUnavailableException e) {
e.printStackTrace();
}
在netbeans中,我将music.wav文件放在src项目文件夹中,并在另一台试图运行jar文件的机器上,我将music.wav放在jar内和旁边。
我想知道例外是什么?
有帮助吗?
我下载了您的音频文件:它是16位立体声PCM,但具有11kHz的异常采样率。 我执行的大多数wav播放都是44kHz(注意,值在“ Windows属性”显示中取整)。 也许某些IDE支持这种格式,但其他IDE不支持吗? 或某些JVM而不是其他? 您可以尝试使用Audacity(免费软件DAW)将其转换为44kHz,然后查看它是否可以运行。 或者,找到另一个44kHz wav,并使用相同的代码对其进行测试。
由于您使用的是URL,因此它们应适用于jar中存储的资源。 我倾向于使用以下内容获取音频:
1)创建一个“音频”子文件夹。 因此,如果您的代码位于com.zaid.game包中,则wav文件位于.... / com / zaid / game / audio
2)调用文件名时,将子文件夹添加到字符串中:
fileName = "audio/" + fileName;
3)使用以下设置URL变量:
URL url = this.getClass().getResource(fileName);
接着
AudioInputStream aiStream = AudioSystem.getAudioInputStream(url);
像你一样做。
假定“ this.getClass()”位于“ audio”文件夹上方的包中。
PS,我不清楚在URL分配中'getClassLoader()'为您做什么。 我不使用它,也不熟悉它。
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