Voice Chat Using Java

Two way Communication:

Step 1: first execute sender class
Step 2: Here after execute Tx class

Download Source : revoicechatusingjava.zip

Warning: Dont execute using sampe pc use different pc for each files otherwise it will be rise error ( mic already busy )

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;

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.Mixer;
import javax.sound.sampled.SourceDataLine;
import javax.sound.sampled.TargetDataLine;

public class sender {
ServerSocket MyService;
Socket clientSocket = null;
BufferedInputStream input;
TargetDataLine targetDataLine;

BufferedOutputStream out;
ByteArrayOutputStream byteArrayOutputStream;
AudioFormat audioFormat;

SourceDataLine sourceDataLine;
byte tempBuffer[] = new byte[10000];

sender() throws LineUnavailableException{
try {
audioFormat = getAudioFormat();
DataLine.Info dataLineInfo = new DataLine.Info( SourceDataLine.class,audioFormat);
sourceDataLine = (SourceDataLine)
AudioSystem.getLine(dataLineInfo);
sourceDataLine.open(audioFormat);
sourceDataLine.start();
MyService = new ServerSocket(500);
clientSocket = MyService.accept();
captureAudio();
input = new BufferedInputStream(clientSocket.getInputStream());
out=new BufferedOutputStream(clientSocket.getOutputStream());

while(input.read(tempBuffer)!=-1){
sourceDataLine.write(tempBuffer,0,10000);
}
} catch (IOException e) {

e.printStackTrace();
}

}
private AudioFormat getAudioFormat(){
float sampleRate = 8000.0F;
int sampleSizeInBits = 16;
int channels = 1;
boolean signed = true;
boolean bigEndian = false;
return new AudioFormat(
sampleRate,
sampleSizeInBits,
channels,
signed,
bigEndian);
}
public static void main(String s[]) throws LineUnavailableException{
sender s2=new sender();
}


private void captureAudio() {
try {

Mixer.Info[] mixerInfo = AudioSystem.getMixerInfo();
System.out.println("Available mixers:");
for (int cnt = 0; cnt < audioformat =" getAudioFormat();" datalineinfo =" new" mixer =" AudioSystem.getMixer(mixerInfo[3]);" targetdataline =" (TargetDataLine)" capturethread =" new" cnt =" targetDataLine.read(tempBuffer," stopcapture =" false;" out =" null;" in =" null;" sock =" null;" tx =" new" sock =" new" out =" new" in =" new" mixerinfo =" AudioSystem.getMixerInfo();" cnt =" 0;" audioformat =" getAudioFormat();" datalineinfo =" new" mixer =" AudioSystem.getMixer(mixerInfo[3]);" targetdataline =" (TargetDataLine)" capturethread =" new" datalineinfo1 =" new" sourcedataline =" (SourceDataLine)" playthread =" new" bytearrayoutputstream =" new" stopcapture =" false;" cnt =" targetDataLine.read(tempBuffer,"> 0) {

byteArrayOutputStream.write(tempBuffer, 0, cnt);

}
}
byteArrayOutputStream.close();
} catch (Exception e) {
System.out.println(e);
System.exit(0);
}
}
}

private AudioFormat getAudioFormat() {
float sampleRate = 8000.0F;

int sampleSizeInBits = 16;

int channels = 1;

boolean signed = true;

boolean bigEndian = false;

return new AudioFormat(sampleRate, sampleSizeInBits, channels, signed,
bigEndian);
}

class PlayThread extends Thread {
byte tempBuffer[] = new byte[10000];

public void run() {
try {
while (in.read(tempBuffer) != -1) {
sourceDataLine.write(tempBuffer, 0, 10000);
}
} catch (IOException e) {
e.printStackTrace();
}
}
}

}

----------------------------------------------

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.net.Socket;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.DataLine;
import javax.sound.sampled.Mixer;
import javax.sound.sampled.SourceDataLine;

import javax.sound.sampled.TargetDataLine;

public class Tx {
boolean stopCapture = false;

ByteArrayOutputStream byteArrayOutputStream;

AudioFormat audioFormat;

TargetDataLine targetDataLine;

AudioInputStream audioInputStream;

BufferedOutputStream out = null;

BufferedInputStream in = null;

Socket sock = null;

SourceDataLine sourceDataLine;

public static void main(String[] args) {
Tx tx = new Tx();
tx.captureAudio();

}

private void captureAudio() {
try {

sock = new Socket("192.168.1.51", 500);

out = new BufferedOutputStream(sock.getOutputStream());
in = new BufferedInputStream(sock.getInputStream());

Mixer.Info[] mixerInfo = AudioSystem.getMixerInfo();
System.out.println("Available mixers:");
for (int cnt = 0; cnt < audioformat =" getAudioFormat();" datalineinfo =" new" mixer =" AudioSystem.getMixer(mixerInfo[3]);" targetdataline =" (TargetDataLine)" capturethread =" new" datalineinfo1 =" new" sourcedataline =" (SourceDataLine)" playthread =" new" bytearrayoutputstream =" new" stopcapture =" false;" cnt =" targetDataLine.read(tempBuffer,"> 0) {

byteArrayOutputStream.write(tempBuffer, 0, cnt);

}
}
byteArrayOutputStream.close();
} catch (Exception e) {
System.out.println(e);
System.exit(0);
}
}
}

private AudioFormat getAudioFormat() {
float sampleRate = 8000.0F;

int sampleSizeInBits = 16;

int channels = 1;

boolean signed = true;

boolean bigEndian = false;

return new AudioFormat(sampleRate, sampleSizeInBits, channels, signed,
bigEndian);
}

class PlayThread extends Thread {
byte tempBuffer[] = new byte[10000];

public void run() {
try {
while (in.read(tempBuffer) != -1) {
sourceDataLine.write(tempBuffer, 0, 10000);
}
} catch (IOException e) {
e.printStackTrace();
}
}
}

}