JFugue 5 外接 MIDI 设备

Question

长期以来一直在尝试使用 jFugue 5 将序列发送到 midi 设备：

     MusicReceiver device = getDeviceByName("name");

     Player player = new Player(); 
     Pattern pattern = new Pattern("A");    

     device.sendSequence(player.getSequence(pattern));

无法超越 “device.sendSequence” 上的“未处理的异常类型 MidiUnavailableException”。

     static MidiDevice.Info getDeviceInfoByName(String name) {
        for (MidiDevice.Info info : MidiSystem.getMidiDeviceInfo()) {
          if (info.getName().equals(name)) {
            return info;
          }
        }
        return null;
      }

      static MusicReceiver getDeviceByName(String name) {
          return new MusicReceiver((MidiDevice) getDeviceInfoByName(name));
      }

Answer 1

您正在尝试将从您的getDeviceByInfo 获得的MidiDevice.Info 实例转换为MidiDevice。将您的 getDeviceByName 函数替换为以下内容：

static MusicReceiver getDeviceByName(String name)
        throws MidiUnavailableException {
    MidiDevice.Info info = getDeviceInfoByName(name);
    return new MusicReceiver(MidiSystem.getMidiDevice(info));
}