# Video SDK single-video camera bug react

**URL:** <https://devforum.zoom.us/t/video-sdk-single-video-camera-bug-react/60742>\
**Category:** Web\
**Created:** [November 26, 2021, 9:30am UTC](https://devforum.zoom.us/t/video-sdk-single-video-camera-bug-react/60742 "2021-11-26T09:30:15Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![kyhnlbyrk](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/kyhnlbyrk/32/32879_2.png) [@kyhnlbyrk](https://devforum.zoom.us/u/kyhnlbyrk)\
**Post date:** [November 26, 2021, 9:30am UTC](https://devforum.zoom.us/t/video-sdk-single-video-camera-bug-react/60742/1 "2021-11-26T09:30:15Z")

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**Description**  
I have donwloaded the sample app from github and using react web example. When there is more than 2 people in the meeting with sound and video, and some of them are joining from chrome, some of them are joining from the mozilla, mozilla is using single-video, and chrome is using gallery layout, there is glitch in the canvas. The video is constantly(like 500ms) changing eventhough active user is not changing.

**Browser Console Error**  
There is no console error.

**Which Web Video SDK version?**  
1.1.5

**To Reproduce(If applicable)**  
Steps to reproduce the behavior:

1. Download example
2. Open the react version
3. Go in the meeting with at least 3 people, one of them needs to be in mozilla
4. Open all the cams and mics
5. Mozilla person will notice the glitch

**Screenshots**  
If applicable, add screenshots to help explain your problem.

**Device (please complete the following information):**

- Device: [Linux, Windows, Mac]
- OS: [Ubuntu 16+, windows10, Mojave]
- Browser: [e.g. Mozilla]  
However, the problem occurs in all the devices

**Additional context**  
Add any other context about the problem here.

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**Author:** ![tommy](https://sea2.discourse-cdn.com/flex016/user_avatar/devforum.zoom.us/tommy/32/72769_2.png) [@tommy](https://devforum.zoom.us/u/tommy)\
**Post date:** [December 9, 2021, 10:40pm UTC](https://devforum.zoom.us/t/video-sdk-single-video-camera-bug-react/60742/2 "2021-12-09T22:40:55Z")

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Hey @kyhnlbyrk ,

Thanks for reporting tis issue. Can you please share a screenshot so we can take a closer look?

-Tommy

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**Author:** ![system](https://us1.discourse-cdn.com/flex016/uploads/zoomdeveloper/original/3X/6/1/614bdd549b610bbaa46ff934617683a02bdaa03c.png) [@system](https://devforum.zoom.us/u/system)\
**Post date:** [January 9, 2022, 8:41am UTC](https://devforum.zoom.us/t/video-sdk-single-video-camera-bug-react/60742/3 "2022-01-09T08:41:48Z")

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Closed on January 9, 2022, 8:41am UTC

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