本文整理了Java中com.github.sarxos.webcam.Webcam.getWebcams()方法的一些代码示例，展示了Webcam.getWebcams()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Webcam.getWebcams()方法的具体详情如下：
包路径：com.github.sarxos.webcam.Webcam
类名称：Webcam
方法名：getWebcams

Webcam.getWebcams介绍

[英]Get list of webcams to use. This method will wait predefined time interval for webcam devices to be discovered. By default this time is set to 1 minute.
[中]获取要使用的网络摄像头列表。此方法将等待网络摄像头设备被发现的预定义时间间隔。默认情况下，此时间设置为1分钟。

代码示例

代码示例来源：origin: sarxos/webcam-capture

public WebcamPicker() {
  this(Webcam.getWebcams());
}

代码示例来源：origin: sarxos/webcam-capture

/**
 * Get list of webcams to use. This method will wait predefined time interval for webcam devices
 * to be discovered. By default this time is set to 1 minute.
 *
 * @return List of webcams existing in the system
 * @throws WebcamException when something is wrong
 * @see Webcam#getWebcams(long, TimeUnit)
 */
public static List<Webcam> getWebcams() throws WebcamException {
  // timeout exception below will never be caught since user would have to
  // wait around three hundreds billion years for it to occur
  try {
    return getWebcams(Long.MAX_VALUE);
  } catch (TimeoutException e) {
    throw new RuntimeException(e);
  }
}

代码示例来源：origin: sarxos/webcam-capture

/**
 * Get list of webcams to use. This method will wait given time interval for webcam devices to
 * be discovered. Time argument is given in milliseconds.
 *
 * @param timeout the time to wait for webcam devices to be discovered
 * @return List of webcams existing in the ssytem
 * @throws TimeoutException when timeout occurs
 * @throws WebcamException when something is wrong
 * @throws IllegalArgumentException when timeout is negative
 * @see Webcam#getWebcams(long, TimeUnit)
 */
public static List<Webcam> getWebcams(long timeout) throws TimeoutException, WebcamException {
  if (timeout < 0) {
    throw new IllegalArgumentException(String.format("Timeout cannot be negative (%d)", timeout));
  }
  return getWebcams(timeout, TimeUnit.MILLISECONDS);
}

代码示例来源：origin: sarxos/webcam-capture

/**
 * Will discover and return first webcam available in the system.
 *
 * @param timeout the webcam discovery timeout (1 minute by default)
 * @param tunit the time unit
 * @return Default webcam (first from the list)
 * @throws TimeoutException when discovery timeout has been exceeded
 * @throws WebcamException if something is really wrong
 * @throws IllegalArgumentException when timeout is negative or tunit null
 * @see Webcam#getWebcams(long, TimeUnit)
 */
public static Webcam getDefault(long timeout, TimeUnit tunit) throws TimeoutException, WebcamException {
  if (timeout < 0) {
    throw new IllegalArgumentException(String.format("Timeout cannot be negative (%d)", timeout));
  }
  if (tunit == null) {
    throw new IllegalArgumentException("Time unit cannot be null!");
  }
  List<Webcam> webcams = getWebcams(timeout, tunit);
  assert webcams != null;
  if (!webcams.isEmpty()) {
    return webcams.get(0);
  }
  LOG.warn("No webcam has been detected!");
  return null;
}

代码示例来源：origin: sarxos/webcam-capture

/**
   * Return webcam with given name or null if no device with given name has been found. Please
   * note that specific webcam name may depend on the order it was connected to the USB port (e.g.
   * /dev/video0 vs /dev/video1).
   * 
   * @param name the webcam name
   * @return Webcam with given name or null if not found
   * @throws IllegalArgumentException when name is null
   */
  public static Webcam getWebcamByName(String name) {

    if (name == null) {
      throw new IllegalArgumentException("Webcam name cannot be null");
    }

    for (Webcam webcam : getWebcams()) {
      if (webcam.getName().equals(name)) {
        return webcam;
      }
    }

    return null;
  }
}

代码示例来源：origin: openpnp/openpnp

public List<String> getDeviceIds() throws Exception {
  ArrayList<String> deviceIds = new ArrayList<>();
  for (Webcam cam : Webcam.getWebcams()) {
    deviceIds.add(cam.getName());
  }
  return deviceIds;
}

代码示例来源：origin: org.boofcv/WebcamCapture

public static Webcam findDevice( String deviceName ) {
  List<Webcam> found = Webcam.getWebcams();
  for( Webcam cam : found ) {
    if( cam.getName().contains(deviceName)) {
      return cam;
    }
  }
  return null;
}

代码示例来源：origin: org.boofcv/boofcv-WebcamCapture

public static Webcam findDevice( String deviceName ) {
  List<Webcam> found = Webcam.getWebcams();
  for( Webcam cam : found ) {
    if( cam.getName().contains(deviceName)) {
      return cam;
    }
  }
  return null;
}

代码示例来源：origin: org.boofcv/boofcv-WebcamCapture

public boolean loadPreferences() {
  Preferences prefs = Preferences.userRoot().node(getClass().getSimpleName());
  String cameraName = prefs.get("camera","");
  final int width = prefs.getInt("width",-1);
  final int height = prefs.getInt("height",-1);
  if( cameraName.length() <= 0 )
    return false;
  List<Webcam> cameras = Webcam.getWebcams();
  int match = -1;
  for( int i = 0; i < cameras.size(); i++ ) {
    Webcam w = cameras.get(i);
    if( w.getName().equals(cameraName)) {
      match = i;
      break;
    }
  }
  if( match == -1 )
    return false;
  comboCameras.removeActionListener(cameraListener);
  comboCameras.setSelectedIndex(match);
  if( width > 0 && height > 0 ) {
    setCameraSize(width,height);
  }
  comboCameras.addActionListener(cameraListener);
  return true;
}

代码示例来源：origin: org.boofcv/boofcv-WebcamCapture

public static Selection showDialog( Window owner )
  if( Webcam.getWebcams().size() == 0 ) {
    JOptionPane.showMessageDialog(owner, "No webcams found!");
    return null;

代码示例来源：origin: openpnp/openpnp

for (Webcam cam : Webcam.getWebcams()) {
  if (cam.getName().equals(deviceId)) {
    webcam = cam;

代码示例来源：origin: io.rhiot/camel-webcam

@Override
protected void doStart() throws Exception {
  super.doStart();
  installer = resolveInstaller();
  String requiredPackages = getRequiredPackages();
  try {
    if (!installer.install(requiredPackages) && !ignoreInstallerProblems) {
      throw new IllegalStateException("Unable to start webcam, failed to install dependencies");
    }
  } catch (Exception ex) {
    if(ignoreInstallerProblems) {
      LOG.warn(ex.getMessage());
    } else {
      throw ex;
    }
  }
  
  //Use the provided webcam/s
  if (getWebcams().size() == 0) {
    loadWebcamDriver();
    List<Webcam> webcamList = Webcam.getWebcams(timeout);
    if (webcamList == null || webcamList.size() == 0) {
      throw new IllegalStateException("No webcams found");
    }
    webcamList.forEach(w -> webcams.put(w.getDevice().getName(), w));
    LOG.info("Detected webcams : {}", webcams.keySet());
  }
  
}

代码示例来源：origin: org.boofcv/WebcamCapture

@Override
public <T extends ImageBase> SimpleImageSequence<T>
open(String device, int width, int height, ImageType<T> imageType) {
  if( device != null ) {
    Webcam webcam;
    try {
      int which = Integer.parseInt(device);
      webcam = Webcam.getWebcams().get(which);
    }catch (NumberFormatException ignore) {
      webcam = UtilWebcamCapture.findDevice(device);
    }
    if( webcam == null ) {
      throw new RuntimeException("Can't find webcam with ID or name at "+device);
    }
    try {
      if (width >= 0 && height >= 0) {
        UtilWebcamCapture.adjustResolution(webcam, width, height);
      }
      webcam.open();
      return new SimpleSequence<>(webcam, imageType);
    } catch (RuntimeException ignore) {}
  }
  return new SimpleSequence<>(device, width, height, imageType);
}

代码示例来源：origin: org.boofcv/boofcv-WebcamCapture

@Override
public <T extends ImageBase<T>> SimpleImageSequence<T>
open(String device, int width, int height, ImageType<T> imageType) {
  if( device != null ) {
    Webcam webcam;
    try {
      int which = Integer.parseInt(device);
      webcam = Webcam.getWebcams().get(which);
    }catch (NumberFormatException ignore) {
      webcam = UtilWebcamCapture.findDevice(device);
    }
    if( webcam == null ) {
      throw new RuntimeException("Can't find webcam with ID or name at "+device);
    }
    try {
      if (width >= 0 && height >= 0) {
        UtilWebcamCapture.adjustResolution(webcam, width, height);
      }
      webcam.open();
      return new SimpleSequence<>(webcam, imageType);
    } catch (RuntimeException ignore) {}
  }
  return new SimpleSequence<>(device, width, height, imageType);
}

代码示例来源：origin: org.boofcv/boofcv-WebcamCapture

setBorder(BorderFactory.createEmptyBorder(6,6,6,6));
final List<Webcam> cameras = Webcam.getWebcams();
Vector<String> names = new Vector<>();