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knbPixels  
#1 Posted : Saturday, June 29, 2024 1:17:18 AM(UTC)
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I had two guests sharing screen at the same time, capturing both with no problem. When a third tried to share his share was not able to be captured and fed to vMix, it was just black. When one of the first two stopped sharing, and the third started, it was then captured. Is there a limit to the number of shares that can be captured at the same time?
knbPixels  
#2 Posted : Tuesday, July 16, 2024 1:33:13 AM(UTC)
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Can I get an admin update on this one?
knbPixels  
#3 Posted : Monday, July 29, 2024 11:54:41 PM(UTC)
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bump
knbPixels  
#4 Posted : Saturday, July 19, 2025 8:53:33 AM(UTC)
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Really desperate to be able to pull up to 4 screen shares in at the same time
admin  
#5 Posted : Saturday, July 19, 2025 5:54:52 PM(UTC)
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Hi,

We have been advised there is a 2 share limit limit on the Zoom side of things, so not much we can do unfortunately.

Regards,

Martin
vMix
knbPixels  
#6 Posted : Saturday, July 19, 2025 8:59:42 PM(UTC)
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Definitely more than 2 people can share in zoom. Our hosts do it on accident all the time. Within zoom all shares are viewable.
admin  
#7 Posted : Saturday, July 19, 2025 11:23:56 PM(UTC)
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They may be low resolution feeds within the Zoom app itself, and not available as full independent feeds in the SDK.
All I can say is Zoom advised us only a maximum of two are available in the SDK and we have no control over that.
liminal_andy  
#8 Posted : Sunday, July 20, 2025 2:26:59 AM(UTC)
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Originally Posted by: knbPixels Go to Quoted Post
Definitely more than 2 people can share in zoom. Our hosts do it on accident all the time. Within zoom all shares are viewable.


The limit is not the number of people who can share in Zoom simultaneously. The limit is how many share streams can be viewed simultaneously by a single receiver client. In Zoom Workplace, that's 2 (one on primary window, one on secondary window). vMix follows the conventions of Zoom Workplace correctly in that regard.

If you need to extract more than 2 shares simultaneously, explore the NDI or SDI features in Custom AV for Zoom Rooms, and send those streams to vMix for compositing.
knbPixels  
#9 Posted : Sunday, July 20, 2025 2:29:17 AM(UTC)
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Thanks Andy, that makes sense!
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