/**
* Construct with the given dimensions
*
* @param width the width
* @param height the height
* @throws VideoCaptureException
*/
public VideoCaptureComponent(int width, int height, String devName) throws VideoCaptureException {
super(BoxLayout.Y_AXIS);
this.setOpaque(false);
this.width = width;
this.height = height;
final List<Device> devices = VideoCapture.getVideoDevices();
Video<MBFImage> vc = null;
if (devices == null || devices.size() == 0) {
currentDevice = null;
final MBFImage[] frames = {new MBFImage(width, height, ColourSpace.RGB)};
frames[0].fill(RGBColour.RED);
vc = new ArrayBackedVideo<MBFImage>(frames);
} else {
for (final Device d : devices) {
if (d.getNameStr().contains(devName)) {
currentDevice = d;
break;
}
}
if (currentDevice == null) currentDevice = devices.get(0);
vc = new VideoCapture(width, height, currentDevice);
}
final JPanel videoDisplayPanel = new JPanel();
videoDisplayPanel.setMinimumSize(new Dimension(width, height));
videoDisplayPanel.setOpaque(false);
display = VideoDisplay.createVideoDisplay(vc, videoDisplayPanel);
add(videoDisplayPanel);
final JPanel sourcesPanel = new JPanel();
sourcesPanel.setOpaque(false);
sources = new JComboBox<String>();
sources.setOpaque(false);
if (devices == null || devices.size() == 0) {
sources.addItem("No cameras found");
sources.setEnabled(false);
} else {
for (final Device s : devices) sources.addItem(s.getNameStr());
}
sources.setSelectedItem(currentDevice.getNameStr());
sources.addItemListener(this);
sourcesPanel.add(sources);
add(sourcesPanel);
}
public static void main(String[] args) throws VideoCaptureException {
if (args.length == 0) {
int i = 0;
System.out.println("Usage: VideoTest device [width [height [rate]]]");
for (final Device d : VideoCapture.getVideoDevices()) {
System.out.println(i + "\t" + d.getNameStr());
i++;
}
return;
}
final Device dev = VideoCapture.getVideoDevices().get(Integer.parseInt(args[0]));
final int width = args.length > 2 ? Integer.parseInt(args[1]) : 320;
final int height = args.length > 2 ? Integer.parseInt(args[2]) : 240;
final double rate = args.length > 2 ? Double.parseDouble(args[3]) : 30;
final VideoCapture c = new VideoCapture(width, height, rate, dev);
VideoDisplay.createVideoDisplay(c);
}
@Override
public void itemStateChanged(ItemEvent event) {
if (event.getStateChange() == ItemEvent.SELECTED) {
final String item = (String) event.getItem();
final Device d = VideoCapture.getVideoDevices().get(sources.getSelectedIndex());
if (d.getNameStr().equals(item) && !currentDevice.equals(d)) {
try {
currentDevice = d;
display.setMode(Mode.STOP);
display.getVideo().close();
display.changeVideo(new VideoCapture(width, height, currentDevice));
display.setMode(Mode.PLAY);
} catch (final VideoCaptureException e) {
e.printStackTrace();
}
}
}
}
