Client.java

package Java_Socket_VoWifi;
import java.io.IOException;
import java.net.Socket;
import java.io.DataInputStream;
import javax.imageio.ImageIO;
import javax.swing.*;
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;

public class Client {
    private static final int PORT = 9999;
    private static final String SERVER_IP = "192.168.6.231"; //To be replaced with the actual IP of the server

    public static void main(String[] args) {
        try {
            Socket socket = new Socket(SERVER_IP, PORT);
            System.out.println("Connected to server.");

            receiveAndDisplayVideo(socket);
        } catch (IOException e) {
            e.printStackTrace();
            System.err.println("Error: Failed to connect to the server.");
        }
    }

    private static void receiveAndDisplayVideo(Socket socket) throws IOException {

        try {
            DataInputStream dis = new DataInputStream(socket.getInputStream());

            JFrame frame = new JFrame("Video Viewer");
            frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
            JLabel label = new JLabel();
            frame.getContentPane().add(label);
            frame.pack();
            frame.setVisible(true);

            while (true) {
                int imageSize = dis.readInt();
                byte[] imageBytes = new byte[imageSize];
                dis.readFully(imageBytes, 0, imageSize);

                BufferedImage image = ImageIO.read(new ByteArrayInputStream(imageBytes));
                label.setIcon(new ImageIcon(image));
                frame.repaint();
            }
        } catch (IOException e) {
            e.printStackTrace();
            System.err.println("Error: Failed to receive video from the server.");
        }
    }
}