Package edu.wpi.first.cscore

Class CameraServerCvJNI

java.lang.Object

edu.wpi.first.cscore.CameraServerCvJNI

public class CameraServerCvJNI
extends Object

CameraServer CV JNI.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	CameraServerCvJNI.Helper	Sets whether JNI should be loaded in the static block.

Method Summary

Modifier and Type	Method	Description
static int	createCvSink(String name, int pixelFormat)	Creates a CV sink.
static int	createCvSource(String name, int pixelFormat, int width, int height, int fps)	Creates a CV source.
static void	forceLoad()	Force load the library.
static long	grabSinkFrame(int sink, long imageNativeObj)	Returns sink frame handle.
static long	grabSinkFrameTimeout(int sink, long imageNativeObj, double timeout)	Returns sink frame timeout in microseconds.
static void	putSourceFrame(int source, long imageNativeObj)	Put source frame.

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

createCvSource

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

Creates a CV source.

Parameters:

name - Name.

pixelFormat - OpenCV pixel format.

width - Image width.

height - Image height.

fps - Frames per second.

Returns:

CV source.

putSourceFrame

public static void putSourceFrame(int source, long imageNativeObj)

Put source frame.

Parameters:

source - Source handle.

imageNativeObj - Image native object handle.

createCvSink

public static int createCvSink(String name, int pixelFormat)

Creates a CV sink.

Parameters:

name - Name.

pixelFormat - OpenCV pixel format.

Returns:

CV sink handle.

grabSinkFrame

public static long grabSinkFrame(int sink, long imageNativeObj)

Returns sink frame handle.

Parameters:

sink - Sink handle.

imageNativeObj - Image native object handle.

Returns:

Sink frame handle.

grabSinkFrameTimeout

public static long grabSinkFrameTimeout(int sink, long imageNativeObj, double timeout)

Returns sink frame timeout in microseconds.

Parameters:

sink - Sink handle.

imageNativeObj - Image native object handle.

timeout - Timeout in seconds.

Returns:

Sink frame timeout in microseconds.