Package edu.wpi.first.cscore

Class CameraServerJNI

java.lang.Object

edu.wpi.first.cscore.CameraServerJNI

public class CameraServerJNI
extends Object

CameraServer JNI.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	CameraServerJNI.Helper	Sets whether JNI should be loaded in the static block.
static interface	CameraServerJNI.LoggerFunction	Logger functional interface.
static class	CameraServerJNI.TelemetryKind	Telemetry kind.

Method Summary

Modifier and Type	Method	Description
static int	addListener(Consumer<VideoEvent> listener, int eventMask, boolean immediateNotify)	Adds listener.
static int	addPolledListener(int poller, int eventMask, boolean immediateNotify)	Add polled listener.
static void	cancelPollListener(int poller)	Cancels poll listener.
static int	copySink(int sink)	Copies sink.
static int	copySource(int source)	Copies source.
static int	createHttpCamera(String name, String url, int kind)	Creates an HTTP camera.
static int	createHttpCameraMulti(String name, String[] urls, int kind)	Creates an HTTP camera from multiple URLs.
static int	createListenerPoller()	Creates listener poller.
static int	createMjpegServer(String name, String listenAddress, int port)	Creates an MJPEG server.
static int	createRawSink(String name)	Creates a raw sink.
static int	createRawSource(String name, int pixelFormat, int width, int height, int fps)	Creates a raw source.
static int	createSourceProperty(int source, String name, int kind, int minimum, int maximum, int step, int defaultValue, int value)	Creates a source property.
static int	createUsbCameraDev(String name, int dev)	Creates a new USB camera by device.
static int	createUsbCameraPath(String name, String path)	Creates a new USB camera by path.
static void	destroyListenerPoller(int poller)	Destroys listener poller.
static int[]	enumerateSinkProperties(int sink)	Returns list of sink property handles.
static int[]	enumerateSinks()	Returns list of sinks.
static int[]	enumerateSourceProperties(int source)	Returns list of source property handles.
static int[]	enumerateSources()	Returns list of sources.
static int[]	enumerateSourceSinks(int source)	Returns list of source sinks.
static VideoMode[]	enumerateSourceVideoModes(int source)	Returns list of source's supported video modes.
static UsbCameraInfo[]	enumerateUsbCameras()	Returns list of USB cameras.
static void	forceLoad()	Force load the library.
static int	getCameraBrightness(int source)	Returns camera brightness.
static String[]	getEnumPropertyChoices(int property)	Returns enum of possible property value strings.
static String	getHostname()	Returns hostname.
static int	getHttpCameraKind(int source)	Returns HTTP camera kind.
static String[]	getHttpCameraUrls(int source)	Returns HTTP camera URLs.
static String	getMjpegServerListenAddress(int sink)	Returns MJPEG server listen address.
static int	getMjpegServerPort(int sink)	Returns MJPEG server port.
static String[]	getNetworkInterfaces()	Returns list of network interfaces.
static int	getProperty(int property)	Returns property value.
static int	getPropertyDefault(int property)	Returns property default value.
static int	getPropertyKind(int property)	Returns property kind.
static int	getPropertyMax(int property)	Returns property maximum.
static int	getPropertyMin(int property)	Returns property minimum.
static String	getPropertyName(int property)	Returns property name.
static int	getPropertyStep(int property)	Returns property step.
static String	getSinkConfigJson(int sink)	Returns sink configuration JSON.
static String	getSinkDescription(int sink)	Returns sink description.
static String	getSinkError(int sink)	Returns sink error message.
static int	getSinkKind(int sink)	Returns sink kind.
static String	getSinkName(int sink)	Returns sink name.
static int	getSinkProperty(int sink, String name)	Returns sink property.
static int	getSinkSource(int sink)	Returns sink source.
static int	getSinkSourceProperty(int sink, String name)	Returns sink source property.
static String	getSourceConfigJson(int source)	Returns source configuration JSON.
static String	getSourceDescription(int source)	Returns source description.
static int	getSourceKind(int source)	Returns source kind.
static long	getSourceLastFrameTime(int source)	Returns source's last frame time.
static String	getSourceName(int source)	Returns source name.
static int	getSourceProperty(int source, String name)	Returns source property.
static VideoMode	getSourceVideoMode(int source)	Returns source video mode.
static String	getStringProperty(int property)	Returns property value as a string.
static double	getTelemetryAverageValue(int handle, int kind)	Returns telemetry average value.
static double	getTelemetryAverageValue(int handle, CameraServerJNI.TelemetryKind kind)	Returns telemetry average value.
static double	getTelemetryElapsedTime()	Returns telemetry elapsed time.
static long	getTelemetryValue(int handle, int kind)	Returns telemetry value.
static long	getTelemetryValue(int handle, CameraServerJNI.TelemetryKind kind)	Returns telemetry value.
static UsbCameraInfo	getUsbCameraInfo(int source)	Returns USB camera info.
static String	getUsbCameraPath(int source)	Returns USB camera path.
static long	grabRawSinkFrame(int sink, RawFrame frame, long nativeObj)	Returns raw sink frame.
static long	grabRawSinkFrameTimeout(int sink, RawFrame frame, long nativeObj, double timeout)	Returns raw sink frame timeout.
static boolean	isSourceConnected(int source)	Returns true if source is connected.
static boolean	isSourceEnabled(int source)	Returns true if source is enabled.
static void	notifySourceError(int source, String msg)	Notify source error.
static VideoEvent[]	pollListener(int poller)	Polls listener.
static VideoEvent[]	pollListenerTimeout(int poller, double timeout)	Polls listener with timeout.
static void	putRawSourceFrame(int source, long frame)	Puts raw frame into source.
static void	putRawSourceFrameBB(int source, ByteBuffer data, int size, int width, int height, int stride, int pixelFormat)	Puts raw frame into source.
static void	putRawSourceFrameData(int source, long data, int size, int width, int height, int stride, int pixelFormat)	Puts raw frame into source.
static void	releaseSink(int sink)	Releases sink.
static void	releaseSource(int source)	Releases source.
static void	removeListener(int handle)	Removes listener.
static void	runMainRunLoop()	Runs main run loop.
static int	runMainRunLoopTimeout(double timeoutSeconds)	Runs main run loop with timeout.
static void	setCameraBrightness(int source, int brightness)	Sets camera brightness.
static void	setCameraExposureAuto(int source)	Sets camera exposure to auto.
static void	setCameraExposureHoldCurrent(int source)	Sets camera exposure to "hold current".
static void	setCameraExposureManual(int source, int value)	Sets camera exposure to the given value.
static void	setCameraWhiteBalanceAuto(int source)	Sets camera white balance to auto.
static void	setCameraWhiteBalanceHoldCurrent(int source)	Sets camera white balance to "hold current".
static void	setCameraWhiteBalanceManual(int source, int value)	Sets camera white balance to the given value.
static void	setHttpCameraUrls(int source, String[] urls)	Sets HTTP camera URLs.
static void	setLogger(CameraServerJNI.LoggerFunction func, int minLevel)	Sets logger.
static void	setProperty(int property, int value)	Sets property value.
static boolean	setSinkConfigJson(int sink, String config)	Sets sink configuration JSON.
static void	setSinkDescription(int sink, String description)	Sets sink description.
static void	setSinkEnabled(int sink, boolean enabled)	Sets sink enable.
static void	setSinkSource(int sink, int source)	Sets sink source.
static boolean	setSourceConfigJson(int source, String config)	Sets source configuration JSON.
static void	setSourceConnected(int source, boolean connected)	Sets whether source is connected.
static void	setSourceConnectionStrategy(int source, int strategy)	Sets source connection strategy.
static void	setSourceDescription(int source, String description)	Sets source description.
static void	setSourceEnumPropertyChoices(int source, int property, String[] choices)	Sets list of possible property values.
static boolean	setSourceFPS(int source, int fps)	Sets source FPS.
static boolean	setSourcePixelFormat(int source, int pixelFormat)	Sets source pixel format.
static boolean	setSourceResolution(int source, int width, int height)	Sets source resolution.
static boolean	setSourceVideoMode(int source, int pixelFormat, int width, int height, int fps)	Sets source video mode.
static void	setStringProperty(int property, String value)	Sets property value to a string.
static void	setTelemetryPeriod(double seconds)	Sets telemetry period.
static void	setUsbCameraPath(int source, String path)	Sets USB camera path.
static void	stopMainRunLoop()	Stops main run loop.

Methods inherited from class java.lang.Object

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

Method Details

forceLoad

public static void forceLoad() throws IOException

Force load the library.

Throws:

IOException - if library load failed

getPropertyKind

public static int getPropertyKind(int property)

Returns property kind.

Parameters:

property - Property handle.

Returns:

Property kind.

getPropertyName

public static String getPropertyName(int property)

Returns property name.

Parameters:

property - Property handle.

Returns:

Property name.

getProperty

public static int getProperty(int property)

Returns property value.

Parameters:

property - Property handle.

Returns:

Property value.

setProperty

public static void setProperty(int property, int value)

Sets property value.

Parameters:

property - Property handle.

value - Property value.

getPropertyMin

public static int getPropertyMin(int property)

Returns property minimum.

Parameters:

property - Property handle.

Returns:

Property minimum.

getPropertyMax

public static int getPropertyMax(int property)

Returns property maximum.

Parameters:

property - Property handle.

Returns:

Property maximum.

getPropertyStep

public static int getPropertyStep(int property)

Returns property step.

Parameters:

property - Property handle.

Returns:

Property step.

getPropertyDefault

public static int getPropertyDefault(int property)

Returns property default value.

Parameters:

property - Property handle.

Returns:

Property default value.

getStringProperty

public static String getStringProperty(int property)

Returns property value as a string.

Parameters:

property - Property handle.

Returns:

Property value as a string.

setStringProperty

public static void setStringProperty(int property, String value)

Sets property value to a string.

Parameters:

property - Property handle.

value - Property value string.

getEnumPropertyChoices

public static String[] getEnumPropertyChoices(int property)

Returns enum of possible property value strings.

Parameters:

property - Property handle.

Returns:

Enum of possible property value strings.

createUsbCameraDev

public static int createUsbCameraDev(String name, int dev)

Creates a new USB camera by device.

Parameters:

name - USB camera name.

dev - USB camera device number.

Returns:

USB camera handle.

createUsbCameraPath

public static int createUsbCameraPath(String name, String path)

Creates a new USB camera by path.

Parameters:

name - USB camera name.

path - USB camera path.

Returns:

USB camera handle.

createHttpCamera

public static int createHttpCamera(String name, String url, int kind)

Creates an HTTP camera.

Parameters:

name - HTTP camera name.

url - HTTP camera stream URL.

kind - HTTP camera kind.

Returns:

HTTP camera handle.

createHttpCameraMulti

public static int createHttpCameraMulti(String name, String[] urls, int kind)

Creates an HTTP camera from multiple URLs.

Parameters:

name - HTTP camera name.

urls - HTTP camera stream URLs.

kind - HTTP camera kind.

Returns:

HTTP camera handle.

createRawSource

public static int createRawSource(String name, int pixelFormat, int width, int height, int fps)

Creates a raw source.

Parameters:

name - Source name.

pixelFormat - Pixel format.

width - Image width.

height - Image height.

fps - Source frames per second.

Returns:

Raw source handle.

getSourceKind

public static int getSourceKind(int source)

Returns source kind.

Parameters:

source - Source handle.

Returns:

Source kind.

getSourceName

public static String getSourceName(int source)

Returns source name.

Parameters:

source - Source handle.

Returns:

Source name.

getSourceDescription

public static String getSourceDescription(int source)

Returns source description.

Parameters:

source - Source handle.

Returns:

Source description.

getSourceLastFrameTime

public static long getSourceLastFrameTime(int source)

Returns source's last frame time.

Parameters:

source - Source handle.

Returns:

Source's last frame time.

setSourceConnectionStrategy

public static void setSourceConnectionStrategy(int source, int strategy)

Sets source connection strategy.

Parameters:

source - Source handle.

strategy - Connection strategy.

isSourceConnected

public static boolean isSourceConnected(int source)

Returns true if source is connected.

Parameters:

source - Source handle.

Returns:

True if source is connected.

isSourceEnabled

public static boolean isSourceEnabled(int source)

Returns true if source is enabled.

Parameters:

source - Source handle.

Returns:

True if source is enabled.

getSourceProperty

public static int getSourceProperty(int source, String name)

Returns source property.

Parameters:

source - Source handle.

name - Source property name.

Returns:

Source property.

enumerateSourceProperties

public static int[] enumerateSourceProperties(int source)

Returns list of source property handles.

Parameters:

source - Source handle.

Returns:

List of source property handles.

getSourceVideoMode

public static VideoMode getSourceVideoMode(int source)

Returns source video mode.

Parameters:

source - Source handle.

Returns:

Source video mode.

setSourceVideoMode

public static boolean setSourceVideoMode(int source, int pixelFormat, int width, int height, int fps)

Sets source video mode.

Parameters:

source - Source handle.

pixelFormat - Pixel format.

width - Image width.

height - Image height.

fps - Source frames per second.

Returns:

True if set succeeded.

setSourcePixelFormat

public static boolean setSourcePixelFormat(int source, int pixelFormat)

Sets source pixel format.

Parameters:

source - Source handle.

pixelFormat - Source pixel format.

Returns:

True if set succeeded.

setSourceResolution

public static boolean setSourceResolution(int source, int width, int height)

Sets source resolution.

Parameters:

source - Source handle.

width - Image width.

height - Image height.

Returns:

True if set succeeded.

setSourceFPS

public static boolean setSourceFPS(int source, int fps)

Sets source FPS.

Parameters:

source - Source handle.

fps - Source frames per second.

Returns:

True if set succeeded.

setSourceConfigJson

public static boolean setSourceConfigJson(int source, String config)

Sets source configuration JSON.

Parameters:

source - Source handle.

config - Configuration JSON.

Returns:

True if set succeeded.

getSourceConfigJson

public static String getSourceConfigJson(int source)

Returns source configuration JSON.

Parameters:

source - Source handle.

Returns:

Source configuration JSON.

enumerateSourceVideoModes

public static VideoMode[] enumerateSourceVideoModes(int source)

Returns list of source's supported video modes.

Parameters:

source - Source handle.

Returns:

List of source's supported video modes.

enumerateSourceSinks

public static int[] enumerateSourceSinks(int source)

Returns list of source sinks.

Parameters:

source - Source handle.

Returns:

List of source sinks.

copySource

public static int copySource(int source)

Copies source.

Parameters:

source - Source handle.

Returns:

New source handle.

releaseSource

public static void releaseSource(int source)

Releases source.

Parameters:

source - Source handle.

setCameraBrightness

public static void setCameraBrightness(int source, int brightness)

Sets camera brightness.

Parameters:

source - Source handle.

brightness - Brightness.

getCameraBrightness

public static int getCameraBrightness(int source)

Returns camera brightness.

Parameters:

source - Source handle.

Returns:

Camera brightness.

setCameraWhiteBalanceAuto

public static void setCameraWhiteBalanceAuto(int source)

Sets camera white balance to auto.

Parameters:

source - Source handle.

setCameraWhiteBalanceHoldCurrent

public static void setCameraWhiteBalanceHoldCurrent(int source)

Sets camera white balance to "hold current".

Parameters:

source - Source handle.

setCameraWhiteBalanceManual

public static void setCameraWhiteBalanceManual(int source, int value)

Sets camera white balance to the given value.

Parameters:

source - Source handle.

value - White balance.

setCameraExposureAuto

public static void setCameraExposureAuto(int source)

Sets camera exposure to auto.

Parameters:

source - Source handle.

setCameraExposureHoldCurrent

public static void setCameraExposureHoldCurrent(int source)

Sets camera exposure to "hold current".

Parameters:

source - Source handle.

setCameraExposureManual

public static void setCameraExposureManual(int source, int value)

Sets camera exposure to the given value.

Parameters:

source - Source handle.

value - Exposure.

setUsbCameraPath

public static void setUsbCameraPath(int source, String path)

Sets USB camera path.

Parameters:

source - Source handle.

path - USB camera path.

getUsbCameraPath

public static String getUsbCameraPath(int source)

Returns USB camera path.

Parameters:

source - Source handle.

Returns:

USB camera path.

getUsbCameraInfo

public static UsbCameraInfo getUsbCameraInfo(int source)

Returns USB camera info.

Parameters:

source - Source handle.

Returns:

USB camera info.

getHttpCameraKind

public static int getHttpCameraKind(int source)

Returns HTTP camera kind.

Parameters:

source - Source handle.

Returns:

HTTP camera kind.

setHttpCameraUrls

public static void setHttpCameraUrls(int source, String[] urls)

Sets HTTP camera URLs.

Parameters:

source - Source handle.

urls - HTTP camera URLs.

getHttpCameraUrls

public static String[] getHttpCameraUrls(int source)

Returns HTTP camera URLs.

Parameters:

source - Source handle.

Returns:

HTTP camera URLs.

putRawSourceFrame

public static void putRawSourceFrame(int source, long frame)

Puts raw frame into source.

Parameters:

source - Source handle.

frame - Frame handle.

putRawSourceFrameBB

public static void putRawSourceFrameBB(int source, ByteBuffer data, int size, int width, int height, int stride, int pixelFormat)

Puts raw frame into source.

Parameters:

source - Source handle.

data - Frame byte buffer.

size - Frame size.

width - Frame width.

height - Frame height.

stride - Frame stride.

pixelFormat - Frame pixel format.

putRawSourceFrameData

public static void putRawSourceFrameData(int source, long data, int size, int width, int height, int stride, int pixelFormat)

Puts raw frame into source.

Parameters:

source - Source handle.

data - Frame handle.

size - Frame size.

width - Frame width.

height - Frame height.

stride - Frame stride.

pixelFormat - Frame pixel format.

notifySourceError

public static void notifySourceError(int source, String msg)

Notify source error.

Parameters:

source - Source handle.

msg - Error message.

setSourceConnected

public static void setSourceConnected(int source, boolean connected)

Sets whether source is connected.

Parameters:

source - Source handle.

connected - True if source is connected.

setSourceDescription

public static void setSourceDescription(int source, String description)

Sets source description.

Parameters:

source - Source handle.

description - Source description.

createSourceProperty

public static int createSourceProperty(int source, String name, int kind, int minimum, int maximum, int step, int defaultValue, int value)

Creates a source property.

Parameters:

source - Source handle.

name - Property name.

kind - Property kind.

minimum - Property minimum.

maximum - Property maximum.

step - Property step.

defaultValue - Property default value.

value - Property value.

Returns:

Source property handle.

setSourceEnumPropertyChoices

public static void setSourceEnumPropertyChoices(int source, int property, String[] choices)

Sets list of possible property values.

Parameters:

source - Source handle.

property - Property handle.

choices - List of possible property values.

createMjpegServer

public static int createMjpegServer(String name, String listenAddress, int port)

Creates an MJPEG server.

Parameters:

name - MJPEG server name.

listenAddress - IP address at which server should listen.

port - Port on which server should listen.

Returns:

MJPEG server handle.

createRawSink

public static int createRawSink(String name)

Creates a raw sink.

Parameters:

name - Sink name.

Returns:

Raw sink handle.

getSinkKind

public static int getSinkKind(int sink)

Returns sink kind.

Parameters:

sink - Sink handle.

Returns:

Sink kind.

getSinkName

public static String getSinkName(int sink)

Returns sink name.

Parameters:

sink - Sink handle.

Returns:

Sink name.

getSinkDescription

public static String getSinkDescription(int sink)

Returns sink description.

Parameters:

sink - Sink handle.

Returns:

Sink description.

getSinkProperty

public static int getSinkProperty(int sink, String name)

Returns sink property.

Parameters:

sink - Sink handle.

name - Property name.

Returns:

Sink property handle.

enumerateSinkProperties

public static int[] enumerateSinkProperties(int sink)

Returns list of sink property handles.

Parameters:

sink - Sink handle.

Returns:

List of sink property handles.

setSinkConfigJson

public static boolean setSinkConfigJson(int sink, String config)

Sets sink configuration JSON.

Parameters:

sink - Sink handle.

config - Configuration JSON.

Returns:

True if set succeeded.

getSinkConfigJson

public static String getSinkConfigJson(int sink)

Returns sink configuration JSON.

Parameters:

sink - Sink handle.

Returns:

Sink configuration JSON.

setSinkSource

public static void setSinkSource(int sink, int source)

Sets sink source.

Parameters:

sink - Sink handle.

source - Source handle.

getSinkSourceProperty

public static int getSinkSourceProperty(int sink, String name)

Returns sink source property.

Parameters:

sink - Sink handle.

name - Property name.

Returns:

Sink source property handle.

getSinkSource

public static int getSinkSource(int sink)

Returns sink source.

Parameters:

sink - Sink handle.

Returns:

Sink source handle.

copySink

public static int copySink(int sink)

Copies sink.

Parameters:

sink - Sink handle.

Returns:

New sink handle.

releaseSink

public static void releaseSink(int sink)

Releases sink.

Parameters:

sink - Sink handle.

getMjpegServerListenAddress

public static String getMjpegServerListenAddress(int sink)

Returns MJPEG server listen address.

Parameters:

sink - Sink handle.

Returns:

MJPEG server listen address.

getMjpegServerPort

public static int getMjpegServerPort(int sink)

Returns MJPEG server port.

Parameters:

sink - Sink handle.

Returns:

MJPEG server port.

setSinkDescription

public static void setSinkDescription(int sink, String description)

Sets sink description.

Parameters:

sink - Sink handle.

description - Sink description.

grabRawSinkFrame

public static long grabRawSinkFrame(int sink, RawFrame frame, long nativeObj)

Returns raw sink frame.

Parameters:

sink - Sink handle.

frame - Raw frame.

nativeObj - Native object.

Returns:

Raw sink frame handle.

grabRawSinkFrameTimeout

public static long grabRawSinkFrameTimeout(int sink, RawFrame frame, long nativeObj, double timeout)

Returns raw sink frame timeout.

Parameters:

sink - Sink handle.

frame - Raw frame.

nativeObj - Native object.

timeout - Timeout in seconds.

Returns:

Raw sink frame timeout.

getSinkError

public static String getSinkError(int sink)

Returns sink error message.

Parameters:

sink - Sink handle.

Returns:

Sink error message.

setSinkEnabled

public static void setSinkEnabled(int sink, boolean enabled)

Sets sink enable.

Parameters:

sink - Sink handle.

enabled - True if sink should be enabled.

addListener

public static int addListener(Consumer<VideoEvent> listener, int eventMask, boolean immediateNotify)

Adds listener.

Parameters:

listener - Video event callback.

eventMask - Event mask.

immediateNotify - True to immediately notify on event.

Returns:

Listener handle.

removeListener

public static void removeListener(int handle)

Removes listener.

Parameters:

handle - Listener handle.

createListenerPoller

public static int createListenerPoller()

Creates listener poller.

Returns:

Listener poller handle.

destroyListenerPoller

public static void destroyListenerPoller(int poller)

Destroys listener poller.

Parameters:

poller - Listener poller handle.

addPolledListener

public static int addPolledListener(int poller, int eventMask, boolean immediateNotify)

Add polled listener.

Parameters:

poller - Poller handle.

eventMask - Event mask.

immediateNotify - True to immediately notify on event.

Returns:

Polled listener handle.

pollListener

public static VideoEvent[] pollListener(int poller) throws InterruptedException

Polls listener.

Parameters:

poller - Poller handle.

Returns:

List of video events.

Throws:

InterruptedException - if polling was interrupted.

pollListenerTimeout

public static VideoEvent[] pollListenerTimeout(int poller, double timeout) throws InterruptedException

Polls listener with timeout.

Parameters:

poller - Poller handle.

timeout - Timeout in seconds.

Returns:

List of video events.

Throws:

InterruptedException - if polling was interrupted.

cancelPollListener

public static void cancelPollListener(int poller)

Cancels poll listener.

Parameters:

poller - Poller handle.

setTelemetryPeriod

public static void setTelemetryPeriod(double seconds)

Sets telemetry period.

Parameters:

seconds - Telemetry period in seconds.

getTelemetryElapsedTime

public static double getTelemetryElapsedTime()

Returns telemetry elapsed time.

Returns:

Telemetry elapsed time.

getTelemetryValue

public static long getTelemetryValue(int handle, int kind)

Returns telemetry value.

Parameters:

handle - Telemetry handle.

kind - Telemetry kind.

Returns:

Telemetry value.

getTelemetryValue

public static long getTelemetryValue(int handle, CameraServerJNI.TelemetryKind kind)

Returns telemetry value.

Parameters:

handle - Telemetry handle.

kind - Telemetry kind.

Returns:

Telemetry value.

getTelemetryAverageValue

public static double getTelemetryAverageValue(int handle, int kind)

Returns telemetry average value.

Parameters:

handle - Telemetry handle.

kind - Telemetry kind.

Returns:

Telemetry average value.

getTelemetryAverageValue

public static double getTelemetryAverageValue(int handle, CameraServerJNI.TelemetryKind kind)

Returns telemetry average value.

Parameters:

handle - Telemetry handle.

kind - Telemetry kind.

Returns:

Telemetry average value.

setLogger

public static void setLogger(CameraServerJNI.LoggerFunction func, int minLevel)

Sets logger.

Parameters:

func - Logger function.

minLevel - Minimum logging level.

enumerateUsbCameras

public static UsbCameraInfo[] enumerateUsbCameras()

Returns list of USB cameras.

Returns:

List of USB cameras.

enumerateSources

public static int[] enumerateSources()

Returns list of sources.

Returns:

List of sources.

enumerateSinks

public static int[] enumerateSinks()

Returns list of sinks.

Returns:

List of sinks.

getHostname

public static String getHostname()

Returns hostname.

Returns:

Hostname.

getNetworkInterfaces

public static String[] getNetworkInterfaces()

Returns list of network interfaces.

Returns:

List of network interfaces.

runMainRunLoop

public static void runMainRunLoop()

Runs main run loop.

runMainRunLoopTimeout

public static int runMainRunLoopTimeout(double timeoutSeconds)

Runs main run loop with timeout.

Parameters:

timeoutSeconds - Timeout in seconds.

Returns:

3 on timeout, 2 on signal, 1 on other.

stopMainRunLoop

public static void stopMainRunLoop()

Stops main run loop.