Linux-Fake-Background-Webcam VS winevdm

I'm trying to install Linux-Fake-Background-Webcam, which in turn requires 4l2loopback. Following the 4l2loopback manual, I try the following command to install it:

> Is this really a problem with Zoom or one with Wayland and the Linux distros?

I would say this is really a problem with Zoom, mostly due to the lack of attention paid to their web client.

For me, when it comes to video conferencing, the "table stakes" is working duplex audio over bluetooth, and so far only pipewire has solved this, which means Linux only.

After that, two very important features to have are screen sharing and background blur. For screen sharing, both Chrome/Chromium and Firefox have great support for screencast over pipewire, and so do many wayland compositors such as KDE kwin. As such, on a "pure" wayland system with no X11 window [1], screen sharing is also a solved problem.

Background blur is more ... complicated. When Google Meet rolled out https://ai.googleblog.com/2020/10/background-features-in-goo..., it immediately worked with chrome/chromium, on either wayland or X11. However, to this day, I think it still doesn't work with firefox, for whatever reason. Meanwhile, Zoom Linux client only started to support background blur (without green screen) since 5.7.6 released in August 2021, while Zoom web client remains hopeless.

In my previous job, we use Google Meet, and all is well with wayland. In the current one, we use Zoom, and I have to setup https://github.com/fangfufu/Linux-Fake-Background-Webcam as a workaround.

[1] This is very much doable these days, unless you want to run Slack desktop, which is hit-and-miss when running with --ozone-platform=wayland (unlike other electron-based apps such as Signal desktop), and of course the Zoom Linux app, which is just crap, as described in the article. Solution: run Slack and Zoom as Firefox tabs.

I was going to say, Zoom's absolutely broken greenscreen support is nicely hacked in X by the community with this excellent repo: https://github.com/fangfufu/Linux-Fake-Background-Webcam

It seems pretty cool, but why does it need to be run as root? I can run Linux-Fake-Background-Webcam just fine without root!

I use https://github.com/fangfufu/Linux-Fake-Background-Webcam and it works great (realtime) for video background removal.

Not exactly what you were asking, but winevdm [0] does use code from Wine to run 16-bit Windows applications on 64-bit Windows installs that don't support it natively (via ntvdm).

[0] - https://github.com/otya128/winevdm

https://github.com/otya128/winevdm run 16 bit apps on 64 windows

This, along with Windows's own compatibility mode tweaks, should run almost any game that has ever been released on Windows.

WineVDM: https://github.com/otya128/winevdm/releases

It could work with the help with otvdm: https://github.com/otya128/winevdm

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winevdm enables you to keep old Windows programs on life support by running 16-bit Windows (1.x, 2.x, 3.0, 3.1, etc.) on a 64-bit Windows system. Ojakobe explains, "Had a special case of a user who clung to their Windows 7 PC because their work was reliant on a 16-bit program from 1997 (and even on 7 it didn't run properly). Used the program above to make it run reliably on 10."

After that you should now be able to install software. One final sticking point is that some older programs are wrapped up in 16-bit installers, however these can be installed by running the installer with something like otvdm.

Try WineVDM because NTvdm never got a port to 64-bit since the CPU mode it relied on for fast 16-bit code execution gets disabled when a x86 processor is switched into long mode. WineVDM is likely translating 16-bit instruction calls to 32-bit and then passing that off to Windows