weltenbranddesign
commented
5 years ago This is the Code where the Error comes from
`import com.github.sarxos.webcam.Webcam;
import com.github.sarxos.webcam.WebcamPanel; import com.github.sarxos.webcam.ds.v4l4j.V4l4jDriver;
import javax.imageio.ImageIO; import javax.swing.*;
import java.awt.*; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.io.BufferedInputStream; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.util.Properties; import java.util.TimerTask; import java.util.Timer;
public class FotoBoxHolder {
/*Diese Klasse integriert die Libs WebCam und Timer */
private final JFrame frame;
//Webcam Objekt aus der Libery Webcam
private Webcam webcam;
private JButton snapbut;
// Timer wird verwendet um das Foto nicht direkt auszulösen
private Timer timer = new Timer();
private TimerTask timerTask;
private int countdown = 5;
private File cap;
public FotoBoxHolder() throws IOException {
System.setProperty("org.slf4j.simpleLogger.defaultLogLEvel","info");
System.setProperty("org.slf4j.simpleLogger.log.com.github.sarxos.webcam.ds.v4l4j","trace");
webcam.setDriver(new V4l4jDriver());
/*Die Propertie Datei enthält die Hauptkonfiguration für das übertragen der Facebook und Twitterdaten*/
Properties probs = new Properties();
BufferedInputStream stream = new BufferedInputStream(new FileInputStream("config.properties"));
probs.load(stream);
stream.close();
//WebCam wird gewählt mit getDefault() erhält man die Standart Webcam des Systems
webcam = Webcam.getDefault();
//WebCam Auflösung wird definiert (Wichtig! WebCams haben alle andere Auflösungen!!!)
/*webcam.setDriver(new V4l4jDriver());*/
/*webcam.setDriver(new V4l4jDriver());*/
webcam.setViewSize(new Dimension(640,480));
//WebCam Stream wird geöffnet
webcam.open();
//Frame hat eine Größe von 800 x 580 bezogen auf die Auflösung des 7" Touchdisplays
frame = new JFrame("FotoBox 0.1 ALPHA");
frame.setPreferredSize(new Dimension(800,580));
frame.setResizable(true);
//Beginn des Optionen Menus
JMenuBar menuBar = new JMenuBar();
JMenu menuopt = new JMenu("Optionen");
// Beginn der UnterMenus
menuBar.add(menuopt);
JMenuItem facebook = new JMenuItem("Allgemeine Optionen");
ActionListener optFacebook = new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
try {
new Optionen(probs, webcam);
} catch (IOException e1) {
e1.printStackTrace();
}
}
};
facebook.addActionListener(optFacebook);
menuopt.add(facebook);
frame.setJMenuBar(menuBar);
//ButtonPanel
JPanel butpan = new JPanel();
butpan.setLayout(new FlowLayout(FlowLayout.CENTER));
//WebcamVideoPanel
JPanel vidpan = new JPanel();
//Webcam Panel für die Anzeige des VideoFrames
WebcamPanel vidcap = new WebcamPanel(webcam);
//Auflösung wird gesetzt
vidcap.setPreferredSize(new Dimension(640,480));
//Anzeige der Auflösung im WebcamFrame
vidcap.setImageSizeDisplayed(true);
//Anzeige der FPS im WebCamFrame
vidcap.setFPSDisplayed(true);
//WebCam wird gespiegelt damit das Bild nicht umgedreht ist
vidcap.setMirrored(true);
vidpan.add(vidcap);
//Button für Fotoauslöser
snapbut = new JButton("Mach ein Bild");
snapbut.setPreferredSize(new Dimension(800,30));
ActionListener takesnap = new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
// Timer wird mit eingestellter Zeit gesetzt aus Property Datei steht nichts in der Property dann wird der COuntdown auf 5 gestezt
if(probs.getProperty("time") == "")
{
countdown = 5;
}
else {
countdown = Integer.parseInt(probs.getProperty("time"));
}
//Timer Zählt die anzahl an Sekunden runter und nimmt dann ein Foto auf
timerTask = new TimerTask() {
@Override
public void run()
{
if(countdown!=0) {
countdown--;
snapbut.setText(countdown + "sek.");
}
else
{
snapbut.setText("CHEEEEESSE!!!");
try {
// Dieses wird als capture.png abgespeichert
ImageIO.write(webcam.getImage(),"PNG",new File("capture.png"));
cap = new File("capture.png");
} catch (IOException e1) {
e1.printStackTrace();
}
timerTask.cancel();
snapbut.setText("Mach ein Bild!");
countdown = 5;
try {
//Und dann wird die Preview geöffnet
new Preview(cap, probs);
} catch (IOException e1) {
e1.printStackTrace();
}
}
}
};
timer.scheduleAtFixedRate(timerTask,1000,1000);
}
};
snapbut.addActionListener(takesnap);
butpan.add(snapbut);
frame.add(vidpan, BorderLayout.NORTH);
frame.add(butpan, BorderLayout.SOUTH);
machSchick();
}
private void machSchick()
{
frame.setExtendedState(JFrame.MAXIMIZED_BOTH);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setLocationRelativeTo(null);
frame.pack();
frame.setVisible(true);
}} `
yuripourre
alexmao86
stolario
Hello Sarxos i programmed a Photobox with Java 9 on Windows and want to run it now on a RaspberryPi3 with a RaspiCamv2.1. On my Laptop everthing runs perfectly but on the raspberrypi there are many Errors.
I tried to implement your V4l4j Driver into my code but i got still an Error here ist the latest Error i hope you can help me.
`LF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder". SLF4J: Defaulting to no-operation (NOP) logger implementation SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details. Exception in thread "AWT-EventQueue-0" java.lang.NoClassDefFoundError: com/github/sarxos/v4l4j/V4L4J at com.github.sarxos.webcam.ds.v4l4j.V4l4jDriver.(V4l4jDriver.java:33)
at FotoBoxHolder.(FotoBoxHolder.java:40)
at FrameHolder$1.actionPerformed(FrameHolder.java:42)
at java.desktop/javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1967)
at java.desktop/javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2308)
at java.desktop/javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:405)
at java.desktop/javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:262)
at java.desktop/javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:269)
at java.desktop/java.awt.Component.processMouseEvent(Component.java:6578)
at java.desktop/javax.swing.JComponent.processMouseEvent(JComponent.java:3343)
at java.desktop/java.awt.Component.processEvent(Component.java:6343)
at java.desktop/java.awt.Container.processEvent(Container.java:2259)
at java.desktop/java.awt.Component.dispatchEventImpl(Component.java:4961)
at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2317)
at java.desktop/java.awt.Component.dispatchEvent(Component.java:4793)
at java.desktop/java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4904)
at java.desktop/java.awt.LightweightDispatcher.processMouseEvent(Container.java:4539)
at java.desktop/java.awt.LightweightDispatcher.dispatchEvent(Container.java:4480)
at java.desktop/java.awt.Container.dispatchEventImpl(Container.java:2303)
at java.desktop/java.awt.Window.dispatchEventImpl(Window.java:2758)
at java.desktop/java.awt.Component.dispatchEvent(Component.java:4793)
at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:766)
at java.desktop/java.awt.EventQueue.access$500(EventQueue.java:97)
at java.desktop/java.awt.EventQueue$3.run(EventQueue.java:717)
at java.desktop/java.awt.EventQueue$3.run(EventQueue.java:711)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:89)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:99)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:739)
at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:737)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:89)
at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:736)
at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:199)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:90)
Caused by: java.lang.ClassNotFoundException: com.github.sarxos.v4l4j.V4L4J
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:582)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:185)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:496)
... 39 more
`