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Streaming

Caution:
Information about borrowing AV equipment

You can borrow equipment required for your teaching from the ICT storage room (TH:A-1356) or the ICT office (TH:A-1336). Equipment is lent against a signed handover protocol.

Meeting Recordings in Microsoft Teams

Recordings of completed meetings can be found in Microsoft Teams.

  1. Navigate to the desired channel.
  2. In the top bar, select Files.
  3. Individual recordings are located in the Recordings folder (unless configured otherwise).
recordings cs
Figure 1. How to find meeting recordings in a team.

Recording Link

A link (for example, to place on a course page) can be obtained as follows.

  1. For a specific recording (or the entire Recordings folder), click …​ (the three dots next to the name).
  2. Select Copy link.
  3. In the pop-up window, choose SharePoint and copy the link.
share recording cs
Figure 2. Getting a link to the recordings folder.

Camera Capture

To stream using a webcam (for example, a whiteboard captured by a webcam), it is necessary to follow the procedure below.

A "Webcam" application has been installed on all streaming workstations and is available on both Windows and Linux operating systems.

Therefore, the lecturer does not need to configure anything.

  1. Start Microsoft Teams.
  2. Start the Webcam application. The procedure differs between Windows and Linux. (Do not start the Webcam application before Microsoft Teams!)
    Windows

    The Webcam application shortcut is located on the desktop.

    Linux

    Open the application search (Win key). Type Webcam into the search field and select the Webcam application.

    or

    Applications › Sound & Video › Webcam

  3. Start the meeting. Before starting the meeting, the webcam must be disabled.

    camera en

    If the webcam cannot be disabled before the meeting starts, it can also be disabled afterwards (WARNING: the webcam cannot be shared by multiple applications at the same time).

  4. Choose one of the screen sharing options:
    1. Share desktop – in this mode, you can easily switch between the Webcam application, presentation slides, etc.
    2. Share only the Webcam application – in this mode, only the Webcam application is shared. If you need to present something else, sharing must be stopped and reconfigured as needed.

This approach also allows the lecturer to adjust the size of the camera window freely – fullscreen, side-by-side with slides, and so on.

If there are problems with the Webcam application, it is usually sufficient to close it and start it again.

Only one instance of the Webcam application should be running because the physical camera can only be used by one application at a time.

The Webcam application icon may change over time as the interface becomes standardized and the solution matures.

Webcam Support

The principle is to run a separate application that displays the camera feed in a window on the screen.

This application is then displayed like any other application on the shared desktop during a Microsoft Teams meeting.

If the meeting is recorded, the camera image will be visible as part of the recorded shared screen exactly as it was shared in Microsoft Teams.

This approach also allows the lecturer to adjust the size of the camera window freely – fullscreen, side-by-side with slides, etc.

Setup outside prepared classrooms (for example, at home)

This procedure does not cover advanced streaming software (such as OBS, etc.).

  1. Download and install VLC media player (for example from https://www.videolan.org/vlc/)
  2. Create a shortcut or start VLC with the following parameters:
    Windows

    Replace <video-input> with the webcam identifier in the operating system.[1]

    Windows 64-bit

    "C:\Program Files\VideoLAN\VLC\vlc.exe" dshow:// :dshow-vdev="<video-input>" :dshow-adev=none :dshow-size=1920x1080 :dshow-aspect-ratio=16\:9 :dshow-fps=30 :live-caching=100

    Windows 32-bit

    "C:\Program Files (x86)\VideoLAN\VLC\vlc.exe" dshow:// :dshow-vdev="<video-input>" :dshow-adev=none :dshow-size=1920x1080 :dshow-aspect-ratio=16\:9 :dshow-fps=30 :live-caching=100

    Linux

    Replace <video-input> with the webcam device (for example /dev/video0).

    /usr/bin/vlc v4l2://<video-input> :v4l2-dev=<video-input> :v4l2-input=0 :v4l2-audio-input=-1 :v4l2-width=1920 :v4l2-height=1080 :v4l2-aspect-ratio=16:9 :v4l2-fps=30 :live-caching=100

If you experience any issues, contact the ICT department helpdesk.

  1. Webcam identifier: Device Manager > Cameras > specific webcam > Details > Bus reported device description ↩