Webcam

Overview

Webcam node allows you to capture video frames from a connected webcam and use the frames in your flow.

A Webcam is any video capturing device that can be connected to your computer, such as a built-in camera on a laptop or an external USB webcam. This node detects the connected webcams and allows you to select which one to use by specifying the webcam index. If you have multiple webcams connected, you can specify the index to choose the desired webcam.

Input

Webcam Index

integer required

The index of the webcam to use. The default value is 0, which typically corresponds to the built-in webcam on your device. If you have multiple webcams connected, you can specify the index to choose the desired webcam. The index must be an integer between 0 and 1024.

Auto White Balance

boolean required

Whether to use auto white balance. The default value is true.

Auto Exposure

boolean required

Whether to use auto exposure. The default value is true.

Default White Balance Temperature

boolean

It determines whether to use the default white balance temperature. The default value is true. This field is only applicable when Auto White Balance is set to false.

White Balance Temperature

integer

The white balance temperature value. Typical values are between 2000 and 6500. The default value is 5000. This field is only applicable when Auto White Balance is set to false and Default White Balance Temperature is set to false.

Default Exposure

boolean

It determines whether to use the default exposure value. The default value is true. This field is only applicable when Auto Exposure is set to false.

Exposure

integer

The exposure value. Typical values are between -11 and 1. The default value is 0. This field is only applicable when Auto Exposure is set to false and Default Exposure is set to false.

Output

Frame Out

image

The captured video frame from the webcam.

Frame Width

integer

The width of the captured video frame.

Frame Height

integer

The height of the captured video frame.

Is Frame Available

boolean

Indicates whether a video frame is available from the webcam.

Timestamp

string

The timestamp when the video frame was captured in ISO 8601 format.

Is Connected

boolean

Indicates whether the webcam is connected at the time of node execution.

Temperature Usable

boolean

Indicates whether the temperature data of the webcam is usable.

Temperature (°C)

number

The temperature of the webcam in degrees Celsius.

Temperature Status Usable

boolean

Indicates whether the temperature status of the webcam is usable.

Temperature Status

string

The temperature status of the webcam.