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OBS

In case you haven't heard, there's a Linux version of OBS. I'm sorry, but you have to do a bit more than double-click an installer to use it. Yes, you actually have to use a command line and type "apt-get" a few times. And holy crap there's even a BSD build, though I'm not sure what runs on BSD that would be worth streaming.

https://obsproject.com/wiki/install-instructions#linux

In my case, I'm mostly a Mac guy. I only use Windows 7 for a few games, the main one of which has an official Linux version. So I don't have a bunch of old Windows crap to replace. I'll probably end up using Ubuntu or a derivative, being as close to a "mainstream" distro as you can get for 3rd-party software. (I'm already using Ubuntu for a 4-tuner MythTV box.)

I was running CentOS7 and I wanted to do a video capture recording of an application on my screen now on Windows I'd just install CamStudio, pretty much the top rated and I'm good to go, on macOS I fire up Quicktime and off I go. On CentOS it has no built in feature, the closest thing is you can record the entire desktop with ctrl+alt+shift+r on gnome so I went looking for a tool to do it. Kazam rated highly but turned out it wasn't in the repos, ok fair enough, next up was xvidcap.

You don't know about OBS? https://obsproject.com/

Open source, cross-platform. While it is "streaming" focused, you can also use it just to capture without streaming. Much easier to use than fiddling with ffmpeg x11grab scripts.

Open Broadcaster Software (OBS). Free, works great. Supports local file capture and online streaming. Extremely configurable but easy to get up and running.

I am a little curious about the licensing. It looks like OBS was forked into OBS Studio? Or was this a rewrite? And if so, what is the currently supported one and what is the license?

since this is a tour showcase, and these monitors are all presumably providing metrics and alerts to act upon, why not encode the display and simply beam it wherever you want?

https://obsproject.com/index OpenBroadcast project seems to have been designed for this, and would mean instead of a bunch of computers you could just buy smart TV's with embedded android.

Your issue is very similar to what Twitch streamers go through with delay between audio and video. I'd suggest checking out OBS and there are quite a few how-to videos on YouTube to show you how to sync.

You mean the end-user experience must improve before gamers consider swapping Windows for Linux.

Right now, the hot topic in gaming is the ability to stream your experience for other people to see. The Linux version of OBS has yet to appear.

Once we have the trinity of playing-communicating-broadcasting/recording, at feature parity or better with the Windows equivalents, people will be able to migrate over without missing anything.

But OBS (open broadcaster software) does a good job of video mixing/overlays greenscreening. https://obsproject.com/

Corel Video Studio isn't quite free, but you can get it for around $50 on sale (or less if you go with a backlevel version 3 or 4) and it is pretty full-featured. It's not designed for full blown professional use because the front-end does more hand-holding than a pro would want, but the key features are all there.

You're correct. Newer Intel CPUs can use a technology called Intel Quick Sync to speed up streaming and video encoding. Basically it uses the hardware encoder on Intel CPUs to perform the encoding.

Streaming software like OBS supports Quick Sync. Impact on CPU and GPU usage is much lower since it's using the iGPU (which would normally be disabled when playing games with a discrete video card). It's basically using silicon which would otherwise go to waste, since most people disable the integrated video on Intel CPUs. Here's a guide that explains how to setup Quick Sync with OBS, and it shows that CPU usage goes from 50-75% with a x264 encoder to 1-5% with Quick Sync.