如何在Android中将两个音频文件合并为单个音频文件? [英] How to merge the two audio files into a single audio file in android?
本文介绍了如何在Android中将两个音频文件合并为单个音频文件?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我想获得两个音频文件作为输入,然后按字节合并它们并将其保存为单个文件.
在这段代码中,我尝试用Java来实现它,并且运行良好,但是我不知道如何在android中实现它.
I want to get two audio files as input, then merge them byte wise and save it as a single file.
In this code I have tried to do it in Java and it's working fine, but I don't know how to do it in android.
如何在android中做到这一点?
How to do it in android?
import java.io.File;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.nio.file.Path;
import javax.sound.sampled.AudioFileFormat;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
public class FileMixer {
public static void main(String[] args)
{
try
{
Path path1 = Paths.get("C:\\Srini\\Wav\\welcome.wav");
Path path2 = Paths.get("C:\\Srini\\Wav\\goodbye.wav");
String path3 ="C:\\Srini\\Wav\\srini12.wav";
File Newfilepath=new File(path3);
byte[] byte1 = Files.readAllBytes(path1);
byte[] byte2 = Files.readAllBytes(path2);
byte[] out = new byte[byte1.length];
for (int i=0; i<byte1.length; i++)
{
out[i] = (byte) ((byte1[i] + byte2[i]) >> 1);
}
InputStream byteArray = new ByteArrayInputStream(out);
AudioInputStream ais = AudioSystem.getAudioInputStream(byteArray);
AudioSystem.write(ais, AudioFileFormat.Type.WAVE,Newfilepath);
}
catch(Exception e)
{
e.printStackTrace();
}
}
}
推荐答案
private void mergeSongs(File mergedFile,File...mp3Files){
FileInputStream fisToFinal = null;
FileOutputStream fos = null;
try {
fos = new FileOutputStream(mergedFile);
fisToFinal = new FileInputStream(mergedFile);
for(File mp3File:mp3Files){
if(!mp3File.exists())
continue;
FileInputStream fisSong = new FileInputStream(mp3File);
SequenceInputStream sis = new SequenceInputStream(fisToFinal, fisSong);
byte[] buf = new byte[1024];
try {
for (int readNum; (readNum = fisSong.read(buf)) != -1;)
fos.write(buf, 0, readNum);
} finally {
if(fisSong!=null){
fisSong.close();
}
if(sis!=null){
sis.close();
}
}
}
} catch (IOException e) {
e.printStackTrace();
}finally{
try {
if(fos!=null){
fos.flush();
fos.close();
}
if(fisToFinal!=null){
fisToFinal.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
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