java 播放pcm音频文件

注：PCM编码格式的文件（音频流）称为裸流，即纯粹的音频数据，将这些数据直接丢进混响器即可直接播放。

import java.io.FileInputStream;
import java.io.IOException;

import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.DataLine;
import javax.sound.sampled.LineUnavailableException;
import javax.sound.sampled.SourceDataLine;

/**
 * 播放pcm音频
 * @author Administrator
 *
 */
public class Test {
	public static void main(String[] args) {
		
		if(args.length==0) {
			args = new String[1];
			args[0] = "F:\\music/a.pcm";//文件路径
		}
		try {
			FileInputStream fis = new FileInputStream(args[0]);
			AudioFormat.Encoding encoding =  new AudioFormat.Encoding("PCM_SIGNED");
			AudioFormat format = new AudioFormat(encoding,8000, 16, 1, 2, 8000 ,false);//编码格式，采样率，每个样本的位数，声道，帧长（字节），帧数，是否按big-endian字节顺序存储
			SourceDataLine auline = null;
			DataLine.Info info = new DataLine.Info(SourceDataLine.class, format);

			try {
				auline = (SourceDataLine) AudioSystem.getLine(info);
				auline.open(format);
			} catch (LineUnavailableException e) {
				e.printStackTrace();
				return;
			} catch (Exception e) {
				e.printStackTrace();
				return;
			}
			auline.start();
			byte[] b = new byte[256];
			try {
				while(fis.read(b)>0) {
					auline.write(b, 0, b.length);
					System.out.println(1);
				}
				auline.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
}