Halloooo, wäre sehr dankbar wenn ihr mir helfen könntet
finde den fehler nicht
(
FEHLER: "AWT-EventQueue-0" java.lang.NullPointerException
finde den fehler nicht
(FEHLER: "AWT-EventQueue-0" java.lang.NullPointerException
Java:
package gui.panel;
import java.util.Date;
import java.util.Iterator;
import java.util.Properties;
import java.util.Set;
import gui.UserGUI;
import javax.swing.JPanel;
import uk.co.caprica.vlcj.binding.LibVlc;
import uk.co.caprica.vlcj.component.EmbeddedMediaPlayerComponent;
import uk.co.caprica.vlcj.runtime.RuntimeUtil;
import javax.swing.GroupLayout;
import javax.swing.GroupLayout.Alignment;
import javax.swing.JOptionPane;
import javax.swing.JScrollPane;
import javax.swing.JButton;
import javax.swing.LayoutStyle.ComponentPlacement;
import com.sun.jna.Native;
import com.sun.jna.NativeLibrary;
import java.awt.BorderLayout;
import java.awt.Canvas;
import java.awt.Color;
import java.awt.Component;
import java.awt.Image;
import java.awt.Toolkit;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.DefaultListCellRenderer;
import javax.swing.ImageIcon;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.border.CompoundBorder;
import javax.swing.border.EmptyBorder;
import javax.swing.border.LineBorder;
import uk.co.caprica.vlcj.player.MediaPlayerFactory;
import uk.co.caprica.vlcj.player.embedded.EmbeddedMediaPlayer;
import uk.co.caprica.vlcj.player.embedded.videosurface.CanvasVideoSurface;
public class VideoPanel extends JPanel
{
/**
* The standard aspect ratios.
*/
private static final String[][] ASPECTS =
{
{ "<choose...>", null },
{ "16:10", "16:10" },
{ "16:9", "16:9" },
{ "1.85:1", "185:100" },
{ "2.21:1", "221:100" },
{ "2.35:1", "235:100" },
{ "2.39:1", "239:100" },
{ "5:3", "5:3" },
{ "4:3", "4:3" },
{ "5:4", "5:4" },
{ "1:1", "1:1" } };
private MediaPlayerFactory factory;
private EmbeddedMediaPlayer mediaPlayer;
private CanvasVideoSurface videoSurface;
private JFrame frame;
private JPanel contentPane;
private JPanel videoPane;
private Canvas videoCanvas;
private JPanel controlsPane;
private JPanel allPanel ;
private JLabel standardAspectLabel;
private JComboBox standardAspectComboBox;
private JLabel lblStart;
private JLabel lblPause;
private JLabel lblStop;
private JButton btnStartStream;
private boolean streaming = true;
private boolean playing = true;
FileOutputStream fout;
private UserGUI gui;
String filename;
/**
* Create the panel.
*/
public VideoPanel(UserGUI gui)
{
NativeLibrary.addSearchPath(RuntimeUtil.getLibVlcLibraryName(), "C://Program Files/VideoLAN/VLC");
Native.loadLibrary(RuntimeUtil.getLibVlcLibraryName(), LibVlc.class);
this.gui = gui ;
factory = new MediaPlayerFactory("--no-video-title-show");
mediaPlayer = factory.newEmbeddedMediaPlayer();
videoPane = new JPanel();
videoPane.setBorder(new CompoundBorder(new LineBorder(Color.black, 1), new EmptyBorder(0, 0, 0, 0)));
videoPane.setLayout(new BorderLayout());
videoPane.setBackground(Color.white);
videoCanvas = new Canvas();
videoCanvas.setBackground(Color.white);
videoCanvas.setSize(720, 350);
videoPane.add(videoCanvas, BorderLayout.CENTER);
videoSurface = factory.newVideoSurface(videoCanvas);
mediaPlayer.setVideoSurface(videoSurface);
standardAspectLabel = new JLabel("Standard Aspect:");
standardAspectLabel.setDisplayedMnemonic('s');
standardAspectComboBox = new JComboBox(ASPECTS);
standardAspectComboBox.setEditable(false);
standardAspectComboBox.setRenderer(new DefaultListCellRenderer() {
@Override
public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {
JLabel l = (JLabel)super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
String[] val = (String[])value;
l.setText(val[0]);
return l;
}
});
standardAspectLabel.setLabelFor(standardAspectComboBox);
lblPause = new JLabel(reziseImage(("/gui/res/gtk-media-pause.png")));
lblStart = new JLabel(reziseImage("/gui/res/gtk-media-play-ltr.png"));
lblStop = new JLabel(reziseImage("/gui/res/gtk-media-stop.png"));
lblStop.setEnabled(false);
btnStartStream = new JButton("Start stream");
controlsPane = new JPanel();
controlsPane.setLayout(new BoxLayout(controlsPane, BoxLayout.X_AXIS));
controlsPane.add(standardAspectLabel);
controlsPane.add(Box.createHorizontalStrut(4));
controlsPane.add(standardAspectComboBox);
controlsPane.add(Box.createHorizontalStrut(5));
controlsPane.add(btnStartStream);
controlsPane.add(lblStart);
controlsPane.add(Box.createHorizontalStrut(4));
controlsPane.add(lblStop);
controlsPane.add(Box.createHorizontalStrut(4));
controlsPane.add(lblPause);
contentPane = new JPanel();
contentPane.setBorder(new EmptyBorder(16, 16, 16, 16));
contentPane.setLayout(new BorderLayout(16, 16));
contentPane.add(videoPane, BorderLayout.CENTER);
contentPane.add(controlsPane, BorderLayout.SOUTH);
//*
frame = new JFrame("Video streaming");
frame.setContentPane(contentPane);
frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
frame.addWindowListener(new java.awt.event.WindowAdapter() {
public void windowClosed(java.awt.event.WindowEvent evt) {
formWindowClosed(evt);
}
});
frame.pack();
frame.setVisible(true);
//*/
//mediaPlayer.playMedia("tbbt.mp4");
// contentPane.setVisible(true);
//allPanel.add(frame);
// gui.add(allPanel);
standardAspectComboBox.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
Object selectedItem = standardAspectComboBox.getSelectedItem();
if(selectedItem != null) {
String[] value = (String[])selectedItem;
mediaPlayer.setAspectRatio(value[1]);
}
}
});
btnStartStream.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent arg0) {
fireButtonStartStreaming();
}
});
lblStart.addMouseListener(new MouseAdapter() {
public void mouseClicked(MouseEvent arg0) {
fireButtonPlay();
}
});
lblStop.addMouseListener(new MouseAdapter() {
public void mouseClicked(MouseEvent arg0) {
fireButtonPlay();
}
});
lblPause.addMouseListener(new MouseAdapter() {
public void mouseClicked(MouseEvent arg0) {
mediaPlayer.pause();
}
});
}
private void formWindowClosed(java.awt.event.WindowEvent evt){
//System.out.println("coucou");
frame = null;
gui.fireButtonCloseTab();
}
/*
* mediaPlayer = new EmbeddedMediaPlayerComponent(); scrollPane.setViewportView(mediaPlayer); setLayout(groupLayout);
*/
private ImageIcon reziseImage(String path)
{
ImageIcon getImg = new ImageIcon(Toolkit.getDefaultToolkit().getImage(UserGUI.class.getResource(path)));
Image img = getImg.getImage();
Image newimg = img.getScaledInstance(32, 32, java.awt.Image.SCALE_SMOOTH);
return new ImageIcon(newimg);
}
public boolean getStreaming()
{
return streaming;
}
public void fireButtonStartStreaming()
{
if (!streaming)
{
filename = new Date(System.currentTimeMillis()).toString().replaceAll(" ", "_") + ".mp4";
try
{
fout = new FileOutputStream(new File(filename));
gui.fireStartVideoStream();
btnStartStream.setText("Stop Streaming");
streaming = true;
} catch (FileNotFoundException e)
{
gui.getGUI().logErrTxt("Cannot create output file for video streaming");
}
} else
{
gui.fireStopVideoStream();
streaming = false;
}
}
public void fireButtonPlay() {
if(!playing) {
mediaPlayer.playMedia(filename);
lblStart.setEnabled(false);
lblStop.setEnabled(true);
playing = true;
}
else {
mediaPlayer.stop();
lblStart.setEnabled(true);
lblStop.setEnabled(false);
playing = false;
}
}
public void addVideoBytes(byte[] data)
{
try
{
fout.write(data);
} catch (IOException e)
{
gui.getGUI().logErrTxt("Error while writing in video file");
}
}
}
