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I need to record the screen of what's happening on a first pc on a second one and use the video at the second computer running his own Ubuntu system (not sharing the screen as in remote way). I then need to launch a script at the second pc that is gonna take data from the video record.

I have checked some external HDMI cards and I plan to buy one to do the task, but I wonder if my second pc could take the video in live at a screen/smartTV working at the second pc, running a different desktop etc than the first one, where the video comes from.

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Perhaps if I describe the system that I have been running, it will answer your question?

At my church, we are running two separate computers - one with Windows 7 for the purpose of displaying slides and graphics, and one with Ubuntu which is used both to record audio, and live stream sermons to facebook.

The Ubuntu computer accepts USB feeds from audio, a movie camera, and using a DVI-to-USB converter the screen output from the Windows computer.

On the Ubuntu computer I am using OBS-Studio (available in the repositories of Ubuntu) to combine the two video feeds and the Audio feed, which is then streamed live to Facebook.

So, if I have read your question correctly, I am using Ubuntu to look at and record, the video from a different desktop (on a different OS!) and manipulate that video in Ubuntu.

Charles Green
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