这个(base64编码)音频数据怎么用？

发布网友 发布时间：2022-04-22 17:37

我来回答

共1个回答

热心网友 时间：2023-05-05 09:58

import java.io.File;

import java.io.FileInputStream;

import java.io.FileOutputStream;

import java.io.FileWriter;

import java.io.InputStream;

import java.io.OutputStream;

import sun.misc.BASE64Decoder;

import sun.misc.BASE64Encoder;

public class base64 {

public static String getWAVString(){

File fi = new File("click.wav");

if (!fi.exists())

return "";

byte[] data = null;

try{

InputStream is = new FileInputStream(fi);

data = new byte[is.available()];

is.read(data);

is.close();

}catch(Exception ex){

ex.printStackTrace();

}

BASE64Encoder encoder = new BASE64Encoder();

return encoder.encode(data);

}

public static void getWAV(){

BASE64Decoder decoder = new BASE64Decoder();

try{

byte[] data = decoder.decodeBuffer(WAVString);

/*for(int i=0 ;i<data.length;i++){

if (data[i] < 0) {

data[i] += 256;  

}  

}*/

OutputStream out = new FileOutputStream("click_BASE64.wav");

out.write(data);

out.flush();

out.close();

}catch(Exception ex){

}

}

public static void main(String[] args){

WAVString = getWAVString();

try{

FileWriter out = new FileWriter("Click_BASE64String.txt");

out.write(WAVString);

out.flush();

out.close();

}catch(Exception ex){

}

getWAV();

}

private static String WAVString;

}