标签:javasound audio-player java avaudioplayer midi
我正在用Java改造游戏的一部分,我需要知道如何播放MIDI声音文件.优选地,它不涉及导入任何外部库.它也必须可以在新线程中运行,这样我就可以将各个声音叠加在背景歌曲上.
谢谢你的想法和时间.
解决方法:
此代码同时播放两个MIDI轨道(第一个对话框关闭时,第二个序列开始播放).没有显式创建线程,但我想如果它们被包装在Thread对象中,它将工作得相同.
import java.net.URL;
import java.util.Locale;
import javax.sound.midi.MidiDevice;
import javax.sound.midi.MidiSystem;
import javax.sound.midi.MidiUnavailableException;
import javax.sound.midi.Receiver;
import javax.sound.midi.Sequence;
import javax.sound.midi.Sequencer;
import javax.sound.midi.Transmitter;
import javax.swing.JOptionPane;
import org.apache.commons.lang.StringUtils;
class PlayMidi {
public static boolean useExternalSynth = false;
public static void main(String[] args) throws Exception {
MidiDevice receivingDevice = getReceivingDevice();
receivingDevice.open();
URL url1 = new URL("http://pscode.org/media/EverLove.mid");
Sequence sequence1 = MidiSystem.getSequence(url1);
Sequencer sequencer1 = MidiSystem.getSequencer(false);
Transmitter tx1 = sequencer1.getTransmitter();
Receiver rx1 = receivingDevice.getReceiver();
tx1.setReceiver(rx1);
sequencer1.open();
sequencer1.setSequence(sequence1);
URL url2 = new URL("http://pscode.org/media/AftrMdnt.mid");
Sequence sequence2 = MidiSystem.getSequence(url2);
Sequencer sequencer2 = MidiSystem.getSequencer(false);
Transmitter tx2 = sequencer2.getTransmitter();
Receiver rx2 = receivingDevice.getReceiver();
tx2.setReceiver(rx2);
sequencer2.open();
sequencer2.setSequence(sequence2);
sequencer1.start();
JOptionPane.showMessageDialog(null, "Everlasting Love");
sequencer2.start();
JOptionPane.showMessageDialog(null, "After Midnight");
}
private static MidiDevice getReceivingDevice()
throws MidiUnavailableException {
for (MidiDevice.Info mdi: MidiSystem.getMidiDeviceInfo()) {
MidiDevice dev = MidiSystem.getMidiDevice(mdi);
if (dev.getMaxReceivers() != 0) {
String lcName =
StringUtils.defaultString(mdi.getName())
.toLowerCase(Locale.ENGLISH);
if (lcName.contains(useExternalSynth? "usb": "java")) {
return dev;
}
}
}
return null;
}
}
标签:javasound,audio-player,java,avaudioplayer,midi 来源: https://codeday.me/bug/20190928/1825931.html
本站声明: 1. iCode9 技术分享网(下文简称本站)提供的所有内容,仅供技术学习、探讨和分享; 2. 关于本站的所有留言、评论、转载及引用,纯属内容发起人的个人观点,与本站观点和立场无关; 3. 关于本站的所有言论和文字,纯属内容发起人的个人观点,与本站观点和立场无关; 4. 本站文章均是网友提供,不完全保证技术分享内容的完整性、准确性、时效性、风险性和版权归属;如您发现该文章侵犯了您的权益,可联系我们第一时间进行删除; 5. 本站为非盈利性的个人网站,所有内容不会用来进行牟利,也不会利用任何形式的广告来间接获益,纯粹是为了广大技术爱好者提供技术内容和技术思想的分享性交流网站。