hardware_io.camera.v4l2_camera.V4L2Camera Class Reference

Capture frames from a Linux V4L2 camera device. More...

Inheritance diagram for hardware_io.camera.v4l2_camera.V4L2Camera:

Public Member Functions
bool	is_open (self)
	Return whether the camera device is currently open.
None	open (self)
	Open and configure the camera device.
CameraFrame	read (self)
	Capture and return the next frame.
None	close (self)
	Release the camera device.

Detailed Description

Capture frames from a Linux V4L2 camera device.

OpenCV is imported lazily so simply importing OpenRoadCode does not make camera support a mandatory dependency on systems that do not use it.

Member Function Documentation

is_open()

bool hardware_io.camera.v4l2_camera.V4L2Camera.is_open

(

self

)

Return whether the camera device is currently open.

Returns

True when capture is open and ready.

Reimplemented from hardware_io.camera.camera_if.CameraIf.

read()

CameraFrame hardware_io.camera.v4l2_camera.V4L2Camera.read

(

self

)

Capture and return the next frame.

Returns

Next captured frame and its source metadata.

Reimplemented from hardware_io.camera.camera_if.CameraIf.

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The documentation for this class was generated from the following file:

• hardware_io/camera/v4l2_camera.py