[PLUG] Chroma-key green background replacement for Zoom

[John Sechrest]

How do I do this on a separate machine, so that I spread out the load.



On Thu, Jan 28, 2021 at 9:51 AM Ben Koenig <techkoenig at gmail.com> wrote:

> You can do that with a v4l loopback driver. I set his up on my laptop
> where Teams could be configured to see the virtual webcam. The pipe line
> when something like this:
>
>
> webcam -> ffmpeg -> v4l loopback -> Teams.
>
>
> replace ffmpeg with any applicaton that supports processing video. You
> could probably insert OBS into that slot or just run a custom ffmpeg
> command to do whatever you want.
>
>
>
> On 1/28/21 9:22 AM, John Sechrest wrote:
> > Given the amount of memory and compute time it takes to do the background
> > image filtering to get the Virtual Background, I would love to have a
> > "Virtual Background box" Which I plugged my Video camera into, and which
> > output another adulterated stream with real-time adjustment of the
> stream,
> > so that I have a clean video stream without the items I don't want and
> with
> > the added items that I do want... IE, a clean image with a virtual
> > background, but without beating up my laptop.
> >
> > I wonder what it would take to build one of these boxes.
> >
> >
> >
> > On Thu, Jan 28, 2021 at 8:26 AM Ben Koenig <techkoenig at gmail.com> wrote:
> >
> >> https://support.zoom.us/hc/en-us/articles/210707503-Virtual-Background
> >>
> >>
> >> Chroma-keying and other post-processing effects are always implemented
> >> by the application used to process/encode video. In the case of video
> >> chat applications, the client application is responsible for these
> >> features.
> >>
> >> -Ben
> >>
> >>
> >> On 1/28/21 5:20 AM, Rich Shepard wrote:
> >>> There seems to be several tools that will place a background on a
> >>> chroma-green screen using chroma-key. If you have used this with a Zoom
> >>> meeting what software did you find worked best? I'll be connecting via
> >>> zoom-linux if that makes a difference.
> >>>
> >>> TIA,
> >>>
> >>> Rich
> >>> _______________________________________________
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> >>
> >
> _______________________________________________
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>


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