Redisign IP camera driver and fix FPS calculation

webcam-capture-drivers/driver-ipcam/pom.xml

@@ -36,12 +36,12 @@
 		<dependency>
 			<groupId>org.apache.httpcomponents</groupId>
 			<artifactId>httpclient</artifactId>
-			<version>4.2.3</version>
+			<version>4.5.3</version>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.httpcomponents</groupId>
 			<artifactId>httpmime</artifactId>
-			<version>4.2.3</version>
+			<version>4.5.3</version>
 		</dependency>
 	</dependencies>
 

webcam-capture-drivers/driver-ipcam/src/examples/java/LignanoBeachPushModeIpCameraExample.java

@@ -0,0 +1,179 @@
+import java.awt.Dimension;
+import java.awt.FlowLayout;
+import java.awt.event.ActionEvent;
+import java.io.File;
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.Executor;
+import java.util.concurrent.Executors;
+
+import javax.imageio.ImageIO;
+import javax.swing.AbstractAction;
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+
+import com.github.sarxos.webcam.Webcam;
+import com.github.sarxos.webcam.WebcamPanel;
+import com.github.sarxos.webcam.WebcamPanel.DrawMode;
+import com.github.sarxos.webcam.ds.ipcam.IpCamDeviceRegistry;
+import com.github.sarxos.webcam.ds.ipcam.IpCamDriver;
+import com.github.sarxos.webcam.ds.ipcam.IpCamMode;
+
+@SuppressWarnings("serial")
+public class LignanoBeachPushModeIpCameraExample extends JFrame {
+
+	// IMPORTANT! For IP camera you have to use IpCamDriver
+
+	static {
+		Webcam.setDriver(new IpCamDriver());
+	}
+
+	// IMPORTANT! IP cameras are not automatically discovered like USB, you have
+	// to register them manually
+
+	static {
+		try {
+			IpCamDeviceRegistry.register("Lignano Beach IP Camera", "http://195.31.81.138/mjpg/video.mjpg", IpCamMode.PUSH);
+		} catch (MalformedURLException e) {
+			throw new IllegalStateException(e);
+		}
+	}
+
+	/**
+	 * Action to be performed when Snapshot JButton is clicked.
+	 */
+	private class SnapMeAction extends AbstractAction {
+
+		public SnapMeAction() {
+			super("Snapshot");
+		}
+
+		@Override
+		public void actionPerformed(ActionEvent e) {
+			try {
+				for (int i = 0; i < webcams.size(); i++) {
+					Webcam webcam = webcams.get(i);
+					File file = new File(String.format("test-%d.jpg", i));
+					ImageIO.write(webcam.getImage(), "JPG", file);
+					System.out.format("Image for %s saved in %s \n", webcam.getName(), file);
+				}
+			} catch (IOException e1) {
+				e1.printStackTrace();
+			}
+		}
+	}
+
+	/**
+	 * Action to be performed when Start JButton is clicked.
+	 */
+	private class StartAction extends AbstractAction implements Runnable {
+
+		public StartAction() {
+			super("Start");
+		}
+
+		@Override
+		public void actionPerformed(ActionEvent e) {
+
+			btStart.setEnabled(false);
+			btSnapMe.setEnabled(true);
+
+			// remember to start panel asynchronously - otherwise GUI will be
+			// blocked while OS is opening webcam HW (will have to wait for
+			// webcam to be ready) and this causes GUI to hang, stop responding
+			// and repainting
+
+			executor.execute(this);
+		}
+
+		@Override
+		public void run() {
+
+			btStop.setEnabled(true);
+
+			for (WebcamPanel panel : panels) {
+				panel.start();
+			}
+		}
+	}
+
+	/**
+	 * Action to be performed when Stop JButton is clicked.
+	 */
+	private class StopAction extends AbstractAction {
+
+		public StopAction() {
+			super("Stop");
+		}
+
+		@Override
+		public void actionPerformed(ActionEvent e) {
+
+			btStart.setEnabled(true);
+			btSnapMe.setEnabled(false);
+			btStop.setEnabled(false);
+
+			for (WebcamPanel panel : panels) {
+				panel.stop();
+			}
+		}
+	}
+
+	private Executor executor = Executors.newSingleThreadExecutor();
+
+	private List<Webcam> webcams = Webcam.getWebcams();
+	private List<WebcamPanel> panels = new ArrayList<WebcamPanel>();
+
+	private JButton btSnapMe = new JButton(new SnapMeAction());
+	private JButton btStart = new JButton(new StartAction());
+	private JButton btStop = new JButton(new StopAction());
+
+	public LignanoBeachPushModeIpCameraExample() {
+
+		super("Lignano Beach IP Camera Example");
+
+		setLayout(new FlowLayout());
+
+		JLabel label = new JLabel("Please wait... IP camera user interface initialization in progress");
+		add(label);
+
+		pack();
+		setVisible(true);
+
+		for (final Webcam webcam : webcams) {
+			final Dimension size = webcam.getViewSizes()[0];
+			webcam.setViewSize(size);
+			final WebcamPanel panel = new WebcamPanel(webcam, size, false);
+			panel.setFPSDisplayed(true);
+			panel.setDrawMode(DrawMode.FIT);
+			panels.add(panel);
+		}
+
+		// start application with disable snapshot button - we enable it when
+		// webcam is started
+
+		btSnapMe.setEnabled(false);
+		btStop.setEnabled(false);
+
+		for (WebcamPanel panel : panels) {
+			add(panel);
+		}
+
+		add(btSnapMe);
+		add(btStart);
+		add(btStop);
+
+		label.setVisible(false);
+
+		pack();
+		setVisible(true);
+		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+	}
+
+	public static void main(String[] args) {
+		new LignanoBeachPushModeIpCameraExample();
+	}
+}