Screen Capture

You can grab computer screen and send it with UltraGrid.

Linux and OS X

In Linux and OS X there is screen capture card you can use to capture desktop:

uv -t screen 

Windows

For Windows, you will need to have screen capture DirectShow filter which can be obtained as a part of this package. After installing that, one of DirectShow capture devices will be "screen-capture-recorder". Provided that it is first device (determined by "uv -t dshow:help"), you should be capture with following command:

uv -t dshow:1 

Note: In Windows 7 you may want to disable Aero for better performance (Start->Control panel->Appearance and Personalization->Personalization and select "Windows 7 Basic" instead of "Windows 7").