.. _Stream.VideoStreamIoDevice:

Video Camera Stream
===================

Creates a live video stream from an attached camera.

Input
-----

This IO algorithm requires a ready and OpenCV compatible camera device.

Output
------

Returns a stopped video stream according to the device specifications.

Description
-----------

Acquires a handle on the first OpenCV camera device it can get and opens a video stream. By default this stream is stopped, it will not become visible until **Play** has been pressed.

Note that starting the video stream may fail if another application is already using the camera.