Java实现音频播放

2021/5/2 22:25:08

本文主要是介绍Java实现音频播放,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!

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.DataLine;
import javax.sound.sampled.LineUnavailableException;
import javax.sound.sampled.SourceDataLine;
import javax.sound.sampled.UnsupportedAudioFileException;

public class MusicTest {

 public static final String MUSIC_FILE = "srv/music/音频文件.wav";

 public static void main(String[] args) throws LineUnavailableException,
   UnsupportedAudioFileException, IOException {

  // 获取音频输入流
  AudioInputStream audioInputStream = AudioSystem.getAudioInputStream(new File(MUSIC_FILE));
  // 获取音频编码对象
  AudioFormat audioFormat = audioInputStream.getFormat();

  // 设置数据输入
  DataLine.Info dataLineInfo = new DataLine.Info(SourceDataLine.class,
    audioFormat, AudioSystem.NOT_SPECIFIED);
  SourceDataLine sourceDataLine = 
  (SourceDataLine) AudioSystem.getLine(dataLineInfo);
  sourceDataLine.open(audioFormat);
  sourceDataLine.start();

  /*
   * 从输入流中读取数据发送到混音器
   */
  int count;
  byte tempBuffer[] = new byte[1024];
  while ((count = audioInputStream.read(tempBuffer, 0, tempBuffer.length)) != -1) {
   if (count > 0) {
    sourceDataLine.write(tempBuffer, 0, count);
   }
  }

  // 清空数据缓冲,并关闭输入
  sourceDataLine.drain();
  sourceDataLine.close();
 }

}


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