Class UsbCamera

java.lang.Object

org.wpilib.vision.camera.VideoSource

org.wpilib.vision.camera.VideoCamera

org.wpilib.vision.camera.UsbCamera

All Implemented Interfaces:

AutoCloseable

public class UsbCamera
extends VideoCamera

A source that represents a USB camera.

Nested Class Summary

Nested classes/interfaces inherited from class VideoCamera

VideoCamera.WhiteBalance

Nested classes/interfaces inherited from class VideoSource

VideoSource.ConnectionStrategy, VideoSource.Kind

Field Summary

Fields inherited from class VideoSource

m_handle

Constructor Summary

Constructors

Constructor	Description
UsbCamera(String name, int dev)	Create a source for a USB camera based on device number.
UsbCamera(String name, String path)	Create a source for a USB camera based on device path.

Method Summary

Modifier and Type	Method	Description
static UsbCameraInfo[]	enumerateUsbCameras()	Enumerate USB cameras on the local system.
UsbCameraInfo	getInfo()	Get the full camera information for the device.
String	getPath()	Get the path to the device.
void	setConnectVerbose(int level)	Set how verbose the camera connection messages are.

Methods inherited from class VideoCamera

getBrightness, setBrightness, setExposureAuto, setExposureHoldCurrent, setExposureManual, setWhiteBalanceAuto, setWhiteBalanceHoldCurrent, setWhiteBalanceManual

Methods inherited from class VideoSource

close, enumerateProperties, enumerateSinks, enumerateSources, enumerateVideoModes, equals, getActualDataRate, getActualFPS, getConfigJson, getDescription, getHandle, getKind, getKindFromInt, getLastFrameTime, getName, getProperty, getVideoMode, hashCode, isConnected, isEnabled, isValid, setConfigJson, setConnectionStrategy, setFPS, setPixelFormat, setResolution, setVideoMode, setVideoMode

Methods inherited from class Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Details

UsbCamera

public UsbCamera(String name,
 int dev)

Create a source for a USB camera based on device number.

Parameters:

name - Source name (arbitrary unique identifier)

dev - Device number (e.g. 0 for /dev/video0)

UsbCamera

public UsbCamera(String name,
 String path)

Create a source for a USB camera based on device path.

Parameters:

name - Source name (arbitrary unique identifier)

path - Path to device (e.g. "/dev/video0" on Linux)

Method Details

enumerateUsbCameras

public static UsbCameraInfo[] enumerateUsbCameras()

Enumerate USB cameras on the local system.

Returns:

Vector of USB camera information (one for each camera)

getPath

public String getPath()

Get the path to the device.

Returns:

The device path.

getInfo

public UsbCameraInfo getInfo()

Get the full camera information for the device.

Returns:

The camera information.

setConnectVerbose

public void setConnectVerbose(int level)

Set how verbose the camera connection messages are.

Parameters:

level - 0=don't display Connecting message, 1=do display message