java音频播放

这是一份精简后的代码,能够支持的格式十分有限,即便是相同的格式也可能出现有的可以播放有的不能播放的情况,大家可以到我的网盘(http://pan.baidu.com/s/1i3p6kBj)下载代码中使用的音频文件进行代码测试。

[文件] MusicTest.java
package com.hongyuan.test;
 
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 = "相逢一笑.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();
    }
 
}