# Web

**URL:** https://devforum.zoom.us/c/video-sdk/web/31.md?page=6

[Latest](https://devforum.zoom.us/latest.md) · [Categories](https://devforum.zoom.us/categories.md) · [Tags](https://devforum.zoom.us/tags.md)

**Page:** 7

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## [Video Aspect Ratio isn't 16:9](https://devforum.zoom.us/t/video-aspect-ratio-isnt-16-9/129595)

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**Author:** [@namlv](https://devforum.zoom.us/u/namlv)\
**Replies:** 8\
**Last updated:** [March 26, 2025, 6:58am UTC](https://devforum.zoom.us/t/video-aspect-ratio-isnt-16-9/129595 "2025-03-26T06:58:40Z")

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Description When I startVideo with a virtual background, sometimes the video aspect ratio is not 16:9. I have tried multiple times with the same options when starting the video. When the video aspect ratio is not 16:9,…

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## [Why are there 2 sessions with the same session\_name at the same time?](https://devforum.zoom.us/t/why-are-there-2-sessions-with-the-same-session-name-at-the-same-time/130266)

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**Author:** [@phuongnv1](https://devforum.zoom.us/u/phuongnv1)\
**Replies:** 0\
**Last updated:** [March 21, 2025, 4:35am UTC](https://devforum.zoom.us/t/why-are-there-2-sessions-with-the-same-session-name-at-the-same-time/130266 "2025-03-21T04:35:04Z")

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Description I used the API /videosdk/sessions to retrieve all sessions in progress. However, I encountered a situation where two sessions had the same session\_name. Details: While querying active sessions, I found two…

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## [Video SDK multiple screan sharing simultaneously](https://devforum.zoom.us/t/video-sdk-multiple-screan-sharing-simultaneously/130016)

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**Author:** [@Piotr](https://devforum.zoom.us/u/Piotr)\
**Replies:** 3\
**Last updated:** [March 20, 2025, 5:47am UTC](https://devforum.zoom.us/t/video-sdk-multiple-screan-sharing-simultaneously/130016 "2025-03-20T05:47:13Z")

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Hello, I am diving into the documentation but stuck in one topic - is it possible to have multiple screen sharing at the same time with Video SDK? I saw, that there is a possibility, but starting screen share stops recei…

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## [Users can't hear each other](https://devforum.zoom.us/t/users-cant-hear-each-other/129869)

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**Author:** [@baraky](https://devforum.zoom.us/u/baraky)\
**Replies:** 17\
**Last updated:** [March 19, 2025, 1:21pm UTC](https://devforum.zoom.us/t/users-cant-hear-each-other/129869 "2025-03-19T13:21:58Z")

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Hello Zoom team, On our project, we’re having a lot of issues with audio. Most of the times, one user can’t hear the other. This happened on the session ojbKoIEvQ7izSixrUOlmtA==. For more context, before this interacti…

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## [Black bars appear on the sides of the screen, but only in Safari and Firefox](https://devforum.zoom.us/t/black-bars-appear-on-the-sides-of-the-screen-but-only-in-safari-and-firefox/130005)

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**Author:** [@sergey77](https://devforum.zoom.us/u/sergey77)\
**Replies:** 5\
**Last updated:** [March 19, 2025, 3:12am UTC](https://devforum.zoom.us/t/black-bars-appear-on-the-sides-of-the-screen-but-only-in-safari-and-firefox/130005 "2025-03-19T03:12:58Z")

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Hi @vic.yang, Firefox (133): In your environment, the maximum number of video-player that can be accommodated in each video-player-container is 1. The current number has exceeded this limit, which may cause video rende…

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## [Access Live Audio Stream](https://devforum.zoom.us/t/access-live-audio-stream/130013)

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**Author:** [@joe.newton](https://devforum.zoom.us/u/joe.newton)\
**Replies:** 2\
**Last updated:** [March 18, 2025, 12:06pm UTC](https://devforum.zoom.us/t/access-live-audio-stream/130013 "2025-03-18T12:06:01Z")

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I currently have a Telemedicine app that is using the Zoom Video SDK for Web to facilitate the communication between the patient and medical provider. I would like to be able to access the live audio stream of this sess…

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## [Cannot share screen using \`window\` or \`screen\` option. Throw error “INVALID\_OPERATION” : reason: “user deny screen share”](https://devforum.zoom.us/t/cannot-share-screen-using-window-or-screen-option-throw-error-invalid-operation-reason-user-deny-screen-share/129685)

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**Author:** [@lmtruong1512](https://devforum.zoom.us/u/lmtruong1512)\
**Replies:** 6\
**Last updated:** [March 18, 2025, 7:46am UTC](https://devforum.zoom.us/t/cannot-share-screen-using-window-or-screen-option-throw-error-invalid-operation-reason-user-deny-screen-share/129685 "2025-03-18T07:46:57Z")

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Description On certain Mac and Windows devices, screen sharing via the “Window” or “Screen” options does not work, while the “Tab” option functions correctly. This is my session ID: SbeefzxiSnC/EZ/tTJegkA== I would ap…

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## [Want to create a customize zoom app in React JS](https://devforum.zoom.us/t/want-to-create-a-customize-zoom-app-in-react-js/129594)

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**Author:** [@Manas](https://devforum.zoom.us/u/Manas)\
**Replies:** 5\
**Last updated:** [March 17, 2025, 8:12am UTC](https://devforum.zoom.us/t/want-to-create-a-customize-zoom-app-in-react-js/129594 "2025-03-17T08:12:32Z")

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I want to integrate the Zoom app into my React website, but I need to customize it to display the real-time heartbeat of all participants in an ongoing Zoom meeting. Specifically, I want to detect each participant’s face…

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## [VideoSDK issues](https://devforum.zoom.us/t/videosdk-issues/129794)

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**Author:** [@baraky](https://devforum.zoom.us/u/baraky)\
**Replies:** 6\
**Last updated:** [March 17, 2025, 6:01am UTC](https://devforum.zoom.us/t/videosdk-issues/129794 "2025-03-17T06:01:59Z")

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Hello Zoom Team, We implemented our solution using Zoom VideoSDK, but we’re having a lot of issues on our meetings. On the session rbC6c7+AQmqFHhOaApweIw==, one of the customers kept receiving a message “Signal Lost” a…

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## [Video Flickering](https://devforum.zoom.us/t/video-flickering/129846)

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**Author:** [@baraky](https://devforum.zoom.us/u/baraky)\
**Replies:** 4\
**Last updated:** [March 14, 2025, 11:58am UTC](https://devforum.zoom.us/t/video-flickering/129846 "2025-03-14T11:58:47Z")

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Hello Zoom team, Some of our sessions are flickering for all the members. The last session id that happened was k2F3+VelT++XmPsHxocixg==. It flickered for some time but returned to normal after this. For more informa…

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## [Turn off incoming audio but keep outgoing audio open](https://devforum.zoom.us/t/turn-off-incoming-audio-but-keep-outgoing-audio-open/129445)

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**Author:** [@Sohan](https://devforum.zoom.us/u/Sohan)\
**Replies:** 1\
**Last updated:** [March 14, 2025, 8:39am UTC](https://devforum.zoom.us/t/turn-off-incoming-audio-but-keep-outgoing-audio-open/129445 "2025-03-14T08:39:25Z")

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Description When two users land on the same page in my react application, I start an audio call between them. They could be connected on a call through any other app (E.g: Discord, teams, gmeet etc) My use case is to u…

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## [Firefox (133): In your environment, the maximum number of video-player that can be accommodated in each video-player-container is 1. The current number has exceeded this limit, which may cause video rendering issues](https://devforum.zoom.us/t/firefox-133-in-your-environment-the-maximum-number-of-video-player-that-can-be-accommodated-in-each-video-player-container-is-1-the-current-number-has-exceeded-this-limit-which-may-cause-video-rendering-issues/121943)

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**Author:** [@sergey77](https://devforum.zoom.us/u/sergey77)\
**Replies:** 3\
**Last updated:** [March 13, 2025, 5:03am UTC](https://devforum.zoom.us/t/firefox-133-in-your-environment-the-maximum-number-of-video-player-that-can-be-accommodated-in-each-video-player-container-is-1-the-current-number-has-exceeded-this-limit-which-may-cause-video-rendering-issues/121943 "2025-03-13T05:03:06Z")

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After updating Firefox to version 133.0, we started encountering an error in Firefox (133): In your environment, the maximum number of video-player that can be accommodated in each video-player-container is 1. The curren…

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## [\`stream.startVideo\` freezed on Edge and throw error](https://devforum.zoom.us/t/stream-startvideo-freezed-on-edge-and-throw-error/129239)

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**Author:** [@lmtruong1512](https://devforum.zoom.us/u/lmtruong1512)\
**Replies:** 8\
**Last updated:** [March 7, 2025, 12:50am UTC](https://devforum.zoom.us/t/stream-startvideo-freezed-on-edge-and-throw-error/129239 "2025-03-07T00:50:00Z")

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Description On some machines using the Edge browser, starting a video stream fails intermittently. Calling stream.startVideo() sometimes freezes for a long time before throwing an error, and in some cases, it remains f…

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## [UIToolkit - INVALID\_PARAMETERS: Expected to accept HTMLCanvasElement or HTMLVideoElement, but actual it is null](https://devforum.zoom.us/t/uitoolkit-invalid-parameters-expected-to-accept-htmlcanvaselement-or-htmlvideoelement-but-actual-it-is-null/128743)

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**Author:** [@MickE](https://devforum.zoom.us/u/MickE)\
**Replies:** 3\
**Last updated:** [March 4, 2025, 11:55pm UTC](https://devforum.zoom.us/t/uitoolkit-invalid-parameters-expected-to-accept-htmlcanvaselement-or-htmlvideoelement-but-actual-it-is-null/128743 "2025-03-04T23:55:05Z")

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@richard.zoom I’m using the video sdk UI Toolkit version 2.1. When participants join in, I’m seeing an error message at the bottom of the web browser: INVALID\_PARAMETERS: Expected to accept HTMLCanvasElement or HTMLVi…

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## [Zoom video call failure](https://devforum.zoom.us/t/zoom-video-call-failure/128772)

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**Author:** [@anjithiruveedhi238](https://devforum.zoom.us/u/anjithiruveedhi238)\
**Replies:** 1\
**Last updated:** [February 28, 2025, 1:53pm UTC](https://devforum.zoom.us/t/zoom-video-call-failure/128772 "2025-02-28T13:53:34Z")

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I’m using zoom Video SDK for video chats in our application. I have encountered an issue with my video call and it was ended abruptly neither of the participants ended the call. Due to that I got issues regarding video c…

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## [I deployed the project in Docker, but the self-video is not streaming](https://devforum.zoom.us/t/i-deployed-the-project-in-docker-but-the-self-video-is-not-streaming/128401)

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**Author:** [@mukund](https://devforum.zoom.us/u/mukund)\
**Replies:** 0\
**Last updated:** [February 25, 2025, 6:06am UTC](https://devforum.zoom.us/t/i-deployed-the-project-in-docker-but-the-self-video-is-not-streaming/128401 "2025-02-25T06:06:05Z")

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I deployed the project in Docker, and while the user data shows bVideo: true, the self-video is not streaming. There are no errors displayed. How can I resolve this issue? @elisa.zoom @tommy

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## [How to Remove Popup "Action Required - Click the button below to enable Audio"](https://devforum.zoom.us/t/how-to-remove-popup-action-required-click-the-button-below-to-enable-audio/127800)

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**Author:** [@irfan.nettech](https://devforum.zoom.us/u/irfan.nettech)\
**Replies:** 1\
**Last updated:** [February 24, 2025, 11:46am UTC](https://devforum.zoom.us/t/how-to-remove-popup-action-required-click-the-button-below-to-enable-audio/127800 "2025-02-24T11:46:17Z")

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I build custom application in Angular utilizing Zoom Video UI SDK - Web. it works perfectly well but one problem, in each and every request, it popup action menu “Action Required” Click the button below to enable Audio …

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## [Mobile Browser LocalVideoTrack.SwitchCamera Reesulting to Black Preview](https://devforum.zoom.us/t/mobile-browser-localvideotrack-switchcamera-reesulting-to-black-preview/126889)

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**Author:** [@Lukaz](https://devforum.zoom.us/u/Lukaz)\
**Replies:** 1\
**Last updated:** [February 18, 2025, 4:59am UTC](https://devforum.zoom.us/t/mobile-browser-localvideotrack-switchcamera-reesulting-to-black-preview/126889 "2025-02-18T04:59:32Z")

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Video SDK Type and Version zoom/videosdk 2.1.0 Description Switching camera for the first time in mobile browsers resulting to black preview video but subsequent switching works as expected. No such problem for desktop…

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## [Error with Live Transcription SDK in Zoom Video SDK for Web using React.js](https://devforum.zoom.us/t/error-with-live-transcription-sdk-in-zoom-video-sdk-for-web-using-react-js/124586)

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**Author:** [@gdcomm](https://devforum.zoom.us/u/gdcomm)\
**Replies:** 1\
**Last updated:** [February 17, 2025, 7:36pm UTC](https://devforum.zoom.us/t/error-with-live-transcription-sdk-in-zoom-video-sdk-for-web-using-react-js/124586 "2025-02-17T19:36:27Z")

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I believe my issue is very similar to this one: devforum.zoom.us/t/attempting-to-start-transcriptions-fails-with-error/93989?u=gdcomm The account with the issue cannot log in to the forum, so I am posting this topic us…

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## [Zoom Video SDK: Handling Video Streaming Load for Large Sessions](https://devforum.zoom.us/t/zoom-video-sdk-handling-video-streaming-load-for-large-sessions/126606)

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**Author:** [@sudhakar](https://devforum.zoom.us/u/sudhakar)\
**Replies:** 1\
**Last updated:** [February 13, 2025, 6:59pm UTC](https://devforum.zoom.us/t/zoom-video-sdk-handling-video-streaming-load-for-large-sessions/126606 "2025-02-13T18:59:28Z")

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Description I have developed a website using the Zoom Video SDK. If I create a session with 1,000 participants, and all of them have their cameras enabled, who manages the load of streaming their video? Does Zoom handle…

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## [After updating Zoom Video SDK from 1.12.14 to 2.1.5 issue with media stream instance](https://devforum.zoom.us/t/after-updating-zoom-video-sdk-from-1-12-14-to-2-1-5-issue-with-media-stream-instance/125856)

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**Author:** [@sergey77](https://devforum.zoom.us/u/sergey77)\
**Replies:** 2\
**Last updated:** [February 4, 2025, 8:44am UTC](https://devforum.zoom.us/t/after-updating-zoom-video-sdk-from-1-12-14-to-2-1-5-issue-with-media-stream-instance/125856 "2025-02-04T08:44:18Z")

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After updating Zoom Video SDK from 1.12.14 to 2.1.5, this condition stopped working for Safari Version 18.0.1 (20619.1.26.31.7): const safariIsLoading = window.safari !== undefined ? (!mediaContext?.audio?.encode || !me…

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## [Rendering of Subsessions](https://devforum.zoom.us/t/rendering-of-subsessions/125500)

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**Author:** [@Lennart](https://devforum.zoom.us/u/Lennart)\
**Replies:** 1\
**Last updated:** [February 3, 2025, 1:17pm UTC](https://devforum.zoom.us/t/rendering-of-subsessions/125500 "2025-02-03T13:17:12Z")

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Description I am trying to implement the subsession feature for the most recent Zoom VideoSDK Web-Version. Creating the subsession, assigning users to them and finally opening the sessions works fine. I am using auto-j…

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## [Document Picture in Picture in React](https://devforum.zoom.us/t/document-picture-in-picture-in-react/122392)

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**Author:** [@liviu](https://devforum.zoom.us/u/liviu)\
**Replies:** 1\
**Last updated:** [January 29, 2025, 8:19pm UTC](https://devforum.zoom.us/t/document-picture-in-picture-in-react/122392 "2025-01-29T20:19:25Z")

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Hello! I’m trying to implement the PiP feature in a React web app, but I’m running into some issues. I read the article that you guys have on this, but that is not working exactly as expected, meaning that you have to co…

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## [Zoom sdk web, in mobile view, the video render pops out of container. but works fine on desktop view](https://devforum.zoom.us/t/zoom-sdk-web-in-mobile-view-the-video-render-pops-out-of-container-but-works-fine-on-desktop-view/125210)

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**Author:** [@Abdul](https://devforum.zoom.us/u/Abdul)\
**Replies:** 0\
**Last updated:** [January 24, 2025, 11:27am UTC](https://devforum.zoom.us/t/zoom-sdk-web-in-mobile-view-the-video-render-pops-out-of-container-but-works-fine-on-desktop-view/125210 "2025-01-24T11:27:30Z")

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my Vue js code async renderVideo(event) { this.setDynamicContainerWidth(); this.zoomStream = await this.zoomClient.getMediaStream(); const videoContainer = this.$refs.videoContainer; // Access the main video containe…

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## [Is it possible to add a confirmation dialogue for when you close the PIP window?](https://devforum.zoom.us/t/is-it-possible-to-add-a-confirmation-dialogue-for-when-you-close-the-pip-window/125110)

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**Author:** [@aladin.bensassi](https://devforum.zoom.us/u/aladin.bensassi)\
**Replies:** 3\
**Last updated:** [January 23, 2025, 8:26am UTC](https://devforum.zoom.us/t/is-it-possible-to-add-a-confirmation-dialogue-for-when-you-close-the-pip-window/125110 "2025-01-23T08:26:15Z")

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Hello Zoom community, I’m working with the Zoom Video SDK and have encountered an issue with the Picture-in-Picture (PiP) window that appears when sharing a screen during a meeting. In this setup, the PiP window shows p…

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## [Video on Canvas Getting Cropped in New v2.1.0 Update](https://devforum.zoom.us/t/video-on-canvas-getting-cropped-in-new-v2-1-0-update/125003)

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**Author:** [@tigran](https://devforum.zoom.us/u/tigran)\
**Replies:** 1\
**Last updated:** [January 23, 2025, 8:24am UTC](https://devforum.zoom.us/t/video-on-canvas-getting-cropped-in-new-v2-1-0-update/125003 "2025-01-23T08:24:36Z")

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Issue: Video in Preview is Cropped When Using the New Preview Feature in v2.1.0 I am encountering an issue with the Zoom Video SDK while implementing the preview feature. I’m using the documentation available under the P…

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## [Phone Participant ID different than Zoom User Id](https://devforum.zoom.us/t/phone-participant-id-different-than-zoom-user-id/124675)

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**Author:** [@sam9](https://devforum.zoom.us/u/sam9)\
**Replies:** 3\
**Last updated:** [January 20, 2025, 1:50am UTC](https://devforum.zoom.us/t/phone-participant-id-different-than-zoom-user-id/124675 "2025-01-20T01:50:07Z")

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Description CallInInfo.participantId doesn’t match VideoClient.getUser().userId This may be by design but the use case I was looking at was for a connected zoom user during one of our meetings, if they were having trou…

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## [How to Keep the Camera Focused on One User During a Call?](https://devforum.zoom.us/t/how-to-keep-the-camera-focused-on-one-user-during-a-call/123929)

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**Author:** [@Humair](https://devforum.zoom.us/u/Humair)\
**Replies:** 2\
**Last updated:** [January 13, 2025, 5:53pm UTC](https://devforum.zoom.us/t/how-to-keep-the-camera-focused-on-one-user-during-a-call/123929 "2025-01-13T17:53:01Z")

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I want to keep the camera fixed on a user and prevent the main screen from switching while they are speaking. Do you have any suggestions for achieving this? Any anyone help me? What do I do with my Zoom chatter?

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## [An exception occurred when you turned on screen sharing](https://devforum.zoom.us/t/an-exception-occurred-when-you-turned-on-screen-sharing/124295)

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**Author:** [@freda199594](https://devforum.zoom.us/u/freda199594)\
**Replies:** 2\
**Last updated:** [January 14, 2025, 12:37am UTC](https://devforum.zoom.us/t/an-exception-occurred-when-you-turned-on-screen-sharing/124295 "2025-01-14T00:37:17Z")

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Hello, I’m using the video SDK (1.12.14) and sometimes I get the error “Uncaught (in promise) DOMException: HTMLCanvasElement.width setter: Cannot set width of placeholder canvas transferred to OffscreenCanvas” when turn…

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## [Screen Sharing Not Working in Safari 18.0.1 on Mac - OPERATION\_TIMEOUT Error Without SharedArrayBuffer](https://devforum.zoom.us/t/screen-sharing-not-working-in-safari-18-0-1-on-mac-operation-timeout-error-without-sharedarraybuffer/123596)

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**Author:** [@Betil](https://devforum.zoom.us/u/Betil)\
**Replies:** 7\
**Last updated:** [January 13, 2025, 4:33pm UTC](https://devforum.zoom.us/t/screen-sharing-not-working-in-safari-18-0-1-on-mac-operation-timeout-error-without-sharedarraybuffer/123596 "2025-01-13T16:33:35Z")

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I’m experiencing issues with screen sharing in Safari 18.0.1 (20619.1.26.31.7) on Mac. When trying to share my screen, recipients cannot see it and receive an OPERATION\_TIMEOUT error. This appears to be related to Shared…

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