java播放wav文件-白红宇

java播放wav文件

阅读量：6510 次

发布时间：2019-06-24

本文共 3369 字，大约阅读时间需要 11 分钟。

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.Info;import javax.sound.sampled.LineUnavailableException;import javax.sound.sampled.SourceDataLine;import javax.sound.sampled.UnsupportedAudioFileException;public class PlayWav {        public PlayWav(String file) {        try {            // read wav file to audio stream            AudioInputStream audioInputStream = AudioSystem.getAudioInputStream(new File(file));            // read audio format from stream            AudioFormat audioFormat = audioInputStream.getFormat();            System.out.println("采样率：" + audioFormat.getSampleRate());            System.out.println("总帧数：" + audioInputStream.getFrameLength());            System.out.println("时长（秒）：" + audioInputStream.getFrameLength() / audioFormat.getSampleRate());            // SourceDataLine info            Info dataLineInfo = new Info(SourceDataLine.class, audioFormat);            SourceDataLine sourceDataLine = (SourceDataLine) AudioSystem.getLine(dataLineInfo);            byte[] b = new byte[1024];            int len = 0;                sourceDataLine.open(audioFormat, 1024);            sourceDataLine.start();            while ((len = audioInputStream.read(b)) > 0) {                sourceDataLine.write(b, 0, len);            }                        audioInputStream.close();            sourceDataLine.drain();            sourceDataLine.close();                    } catch (UnsupportedAudioFileException e) {            e.printStackTrace();        } catch (IOException e) {            e.printStackTrace();        } catch (LineUnavailableException e) {            e.printStackTrace();        }    }        public static void main(String[] args) {        new PlayWav("D:\\123.wav");    }}

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

public class PlayWav {public PlayWav(String file) {try {// read wav file to audio streamAudioInputStream audioInputStream = AudioSystem.getAudioInputStream(new File(file));// read audio format from streamAudioFormat audioFormat = audioInputStream.getFormat();System.out.println("采样率：" + audioFormat.getSampleRate());System.out.println("总帧数：" + audioInputStream.getFrameLength());System.out.println("时长（秒）：" + audioInputStream.getFrameLength() / audioFormat.getSampleRate());// SourceDataLine infoInfo dataLineInfo = new Info(SourceDataLine.class, audioFormat);

SourceDataLine sourceDataLine = (SourceDataLine) AudioSystem.getLine(dataLineInfo);byte[] b = new byte[1024];int len = 0;sourceDataLine.open(audioFormat, 1024);sourceDataLine.start();while ((len = audioInputStream.read(b)) > 0) {sourceDataLine.write(b, 0, len);}audioInputStream.close();sourceDataLine.drain();sourceDataLine.close();} catch (UnsupportedAudioFileException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();} catch (LineUnavailableException e) {e.printStackTrace();}

}

public static void main(String[] args) {new PlayWav("D:\\123.wav");

}}

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