# Video SDK

**URL:** https://devforum.zoom.us/c/video-sdk/55.md?page=29

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

**Page:** 30

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## [Thread issue on startVideoCanvasPreview](https://devforum.zoom.us/t/thread-issue-on-startvideocanvaspreview/117458)

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**Author:** [@sp.nu](https://devforum.zoom.us/u/sp.nu)\
**Replies:** 0\
**Last updated:** [September 13, 2024, 8:58pm UTC](https://devforum.zoom.us/t/thread-issue-on-startvideocanvaspreview/117458 "2024-09-13T20:58:56Z")

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ZoomVideoSDKVideoHelper’s startVideoCanvasPreview gives “-\[AVCaptureSession startRunning\] should be called from background thread. Calling it on the main thread can lead to UI unresponsiveness” If we call it on a backg…

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## [ssue with Zoom SDK for iOS - Error 2011: Join Session Error, Invalid Parameter](https://devforum.zoom.us/t/ssue-with-zoom-sdk-for-ios-error-2011-join-session-error-invalid-parameter/117414)

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**Author:** [@dhruv.kothari](https://devforum.zoom.us/u/dhruv.kothari)\
**Replies:** 0\
**Last updated:** [September 13, 2024, 9:59am UTC](https://devforum.zoom.us/t/ssue-with-zoom-sdk-for-ios-error-2011-join-session-error-invalid-parameter/117414 "2024-09-13T09:59:59Z")

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I am currently implementing the Zoom SDK in an iOS application, specifically for voice processing through a custom machine learning model. While I have successfully integrated part of the required functionalities, I am e…

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## [No example Found For Flutter Video SDk](https://devforum.zoom.us/t/no-example-found-for-flutter-video-sdk/117144)

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**Author:** [@mutee.abdullah.02](https://devforum.zoom.us/u/mutee.abdullah.02)\
**Replies:** 3\
**Last updated:** [September 13, 2024, 8:39am UTC](https://devforum.zoom.us/t/no-example-found-for-flutter-video-sdk/117144 "2024-09-13T08:39:29Z")

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Hi, I am trying to integrate zoom sdk into my flutter app , for which i am referencing latest version of flutter\_zoom\_videosdk and the documentation but the issue is both of them are referencing sample example app. I …

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## [Video SDK UI Toolkit - Angular (Web) Unable to Load / Join Session](https://devforum.zoom.us/t/video-sdk-ui-toolkit-angular-web-unable-to-load-join-session/117344)

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**Author:** [@irfan.nettech](https://devforum.zoom.us/u/irfan.nettech)\
**Replies:** 4\
**Last updated:** [September 12, 2024, 8:53pm UTC](https://devforum.zoom.us/t/video-sdk-ui-toolkit-angular-web-unable-to-load-join-session/117344 "2024-09-12T20:53:09Z")

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I am trying to integrate Video SDK UI Toolkit v 1.12.1-1 in my project but it failed to load Video Components displaying error shown below when calling function uitoolkit.joinSession(this.sessionContainer, this.videoCon…

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## [Support 16KB page size devices](https://devforum.zoom.us/t/support-16kb-page-size-devices/114629)

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**Author:** [@mlewandowski](https://devforum.zoom.us/u/mlewandowski)\
**Replies:** 2\
**Last updated:** [September 11, 2024, 3:00pm UTC](https://devforum.zoom.us/t/support-16kb-page-size-devices/114629 "2024-09-11T15:00:07Z")

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Description In Android 15 support for 16KB page sizes has been announced. However, ELF segments of some of the native libraries bundled with Zoom Video SDK are not aligned using 16 KB ELF alignment. This results in ru…

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## [chatChannel limit](https://devforum.zoom.us/t/chatchannel-limit/117258)

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**Author:** [@sp.nu](https://devforum.zoom.us/u/sp.nu)\
**Replies:** 0\
**Last updated:** [September 10, 2024, 8:34pm UTC](https://devforum.zoom.us/t/chatchannel-limit/117258 "2024-09-10T20:34:59Z")

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What is the number of character limit for a message sent through chatChannel? I understand command channel has 512 characters limit and 35 commands per second. Does chat channel has similar limit?

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## [Zoom sdk intial setup in flutter](https://devforum.zoom.us/t/zoom-sdk-intial-setup-in-flutter/116964)

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**Author:** [@nihal](https://devforum.zoom.us/u/nihal)\
**Replies:** 4\
**Last updated:** [September 10, 2024, 7:21pm UTC](https://devforum.zoom.us/t/zoom-sdk-intial-setup-in-flutter/116964 "2024-09-10T19:21:54Z")

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I am facing a lot of difficulties while setting zoom sdk.can you please help

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## [Video WEB SDK participant video is overlapping](https://devforum.zoom.us/t/video-web-sdk-participant-video-is-overlapping/110107)

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**Author:** [@vinaykumar.t](https://devforum.zoom.us/u/vinaykumar.t)\
**Replies:** 8\
**Last updated:** [September 10, 2024, 4:56pm UTC](https://devforum.zoom.us/t/video-web-sdk-participant-video-is-overlapping/110107 "2024-09-10T16:56:30Z")

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Hello Zoom Support Team, We are currently utilizing Zoom Video SDK 1.10.8 within our application, and we have encountered an issue that we would appreciate your assistance with. Following the guidelines provided, we ha…

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## [Unable to Upload macOS App with Zoom Video SDK to TestFlight – Asset Validation Errors](https://devforum.zoom.us/t/unable-to-upload-macos-app-with-zoom-video-sdk-to-testflight-asset-validation-errors/116977)

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**Author:** [@nikunj.ramani](https://devforum.zoom.us/u/nikunj.ramani)\
**Replies:** 4\
**Last updated:** [September 10, 2024, 4:17pm UTC](https://devforum.zoom.us/t/unable-to-upload-macos-app-with-zoom-video-sdk-to-testflight-asset-validation-errors/116977 "2024-09-10T16:17:56Z")

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Hi Zoom Support, I’ve successfully integrated the Zoom Video SDK into my macOS application, and it is working as expected. However, I encountered issues while trying to share the app with my team via TestFlight. When I…

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## [After updating the video SDK from v1.11.2 to v1.12.10, I started getting 'undefined symbol: g\_dbus\_proxy\_call\_sync' when loading libvideosdk.so](https://devforum.zoom.us/t/after-updating-the-video-sdk-from-v1-11-2-to-v1-12-10-i-started-getting-undefined-symbol-g-dbus-proxy-call-sync-when-loading-libvideosdk-so/116876)

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**Author:** [@masato.yamauchi](https://devforum.zoom.us/u/masato.yamauchi)\
**Replies:** 2\
**Last updated:** [September 9, 2024, 4:31am UTC](https://devforum.zoom.us/t/after-updating-the-video-sdk-from-v1-11-2-to-v1-12-10-i-started-getting-undefined-symbol-g-dbus-proxy-call-sync-when-loading-libvideosdk-so/116876 "2024-09-09T04:31:34Z")

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After updating the video SDK from v1.11.2 to v1.12.10, I started getting ‘undefined symbol: g\_dbus\_proxy\_call\_sync’ when loading libvideosdk.so. What could be the possible cause?

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## [Global Dial-In Numbers Not Returning Despite Audio Add-On Purchase](https://devforum.zoom.us/t/global-dial-in-numbers-not-returning-despite-audio-add-on-purchase/116897)

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**Author:** [@dmytro.prusov](https://devforum.zoom.us/u/dmytro.prusov)\
**Replies:** 4\
**Last updated:** [September 6, 2024, 4:37pm UTC](https://devforum.zoom.us/t/global-dial-in-numbers-not-returning-despite-audio-add-on-purchase/116897 "2024-09-06T16:37:20Z")

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Hi! We recently purchased the PSTN audio add-on for our Zoom Video SDK, but we are unable to retrieve the global dial-in numbers via the session detail API. According to the documentation here, the global\_dial\_in\_number…

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## [Asset validation failed when uploading to Apple Store](https://devforum.zoom.us/t/asset-validation-failed-when-uploading-to-apple-store/103417)

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**Author:** [@abedftechsm](https://devforum.zoom.us/u/abedftechsm)\
**Replies:** 1\
**Last updated:** [September 6, 2024, 11:30am UTC](https://devforum.zoom.us/t/asset-validation-failed-when-uploading-to-apple-store/103417 "2024-09-06T11:30:08Z")

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Hello We build our App which use Video SDK latest version , now we are facing an issue whenever we are trying to upload the App to Apple Store. It gave us the below error from the Apple Store. Error Screen Shot ==\> E…

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## [Camera Automatically Turns Off with Permission Error on iPad Safari 15.6.1](https://devforum.zoom.us/t/camera-automatically-turns-off-with-permission-error-on-ipad-safari-15-6-1/116944)

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**Author:** [@lmtruong1512](https://devforum.zoom.us/u/lmtruong1512)\
**Replies:** 3\
**Last updated:** [September 6, 2024, 9:10am UTC](https://devforum.zoom.us/t/camera-automatically-turns-off-with-permission-error-on-ipad-safari-15-6-1/116944 "2024-09-06T09:10:16Z")

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Description Upon joining a meeting session, my camera starts but turns off after 1-2 seconds, throwing the following error: ‘Unhandled Promise Rejection: NotAllowedError: The request is not allowed by the user agent …

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## [Screen Sharing Issues with Safari on macOS Using Zoom Video SDK](https://devforum.zoom.us/t/screen-sharing-issues-with-safari-on-macos-using-zoom-video-sdk/116930)

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**Author:** [@vinayagoud](https://devforum.zoom.us/u/vinayagoud)\
**Replies:** 1\
**Last updated:** [September 5, 2024, 2:59am UTC](https://devforum.zoom.us/t/screen-sharing-issues-with-safari-on-macos-using-zoom-video-sdk/116930 "2024-09-05T02:59:50Z")

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Hello everyone, I’m encountering an issue with screen sharing when using the Zoom Video SDK on Safari browser running on macOS. Specifically, the function to start screen sharing is behaving inconsistently. In other de…

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## [Integrating Zoom Video SDK with Twilio Audio - Need Clarification on PSTN Add-on and Dual Usage](https://devforum.zoom.us/t/integrating-zoom-video-sdk-with-twilio-audio-need-clarification-on-pstn-add-on-and-dual-usage/115765)

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**Author:** [@dmytro.prusov](https://devforum.zoom.us/u/dmytro.prusov)\
**Replies:** 14\
**Last updated:** [September 4, 2024, 6:41pm UTC](https://devforum.zoom.us/t/integrating-zoom-video-sdk-with-twilio-audio-need-clarification-on-pstn-add-on-and-dual-usage/115765 "2024-09-04T18:41:51Z")

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Hello everyone, and especially @tommy :smiley: We are integrating the Zoom Video SDK with Twilio Audio, following this article: IVR Dial Trees with Video SDK. We currently have 17 Twilio numbers purchased for various co…

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## [Poor Video Quality Zoom Video SDK Web](https://devforum.zoom.us/t/poor-video-quality-zoom-video-sdk-web/116237)

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**Author:** [@sas](https://devforum.zoom.us/u/sas)\
**Replies:** 7\
**Last updated:** [September 4, 2024, 1:36am UTC](https://devforum.zoom.us/t/poor-video-quality-zoom-video-sdk-web/116237 "2024-09-04T01:36:20Z")

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I am currently developing a videocall integration within our software that should allow internal users to talk to end users and help with their needs. As our end users have to show our internal employees damages on obje…

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## [IOS Audio being lowerd](https://devforum.zoom.us/t/ios-audio-being-lowerd/116610)

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**Author:** [@lorenzo1](https://devforum.zoom.us/u/lorenzo1)\
**Replies:** 1\
**Last updated:** [September 3, 2024, 3:04pm UTC](https://devforum.zoom.us/t/ios-audio-being-lowerd/116610 "2024-09-03T15:04:25Z")

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We are using a streaming CDN, and our app is designed to stream live content from OBS or hardware encoders using WebRTC. Participants can watch the stream while discussing it over a video conference. However, we’ve notic…

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## [Adding Real-Time Text Overlays in Video SDK for React Native](https://devforum.zoom.us/t/adding-real-time-text-overlays-in-video-sdk-for-react-native/116664)

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**Author:** [@alfonsoalejandro023](https://devforum.zoom.us/u/alfonsoalejandro023)\
**Replies:** 1\
**Last updated:** [September 3, 2024, 3:00pm UTC](https://devforum.zoom.us/t/adding-real-time-text-overlays-in-video-sdk-for-react-native/116664 "2024-09-03T15:00:30Z")

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I’m trying out the Video SDK for React Native to see if it works for what I need. I’m specifically looking to add text overlays to videos. My idea is to translate sign language into text and then show that text as subtit…

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## [Use Custom Blurring Algorithm with Video SDK Web](https://devforum.zoom.us/t/use-custom-blurring-algorithm-with-video-sdk-web/116688)

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**Author:** [@harveymisc](https://devforum.zoom.us/u/harveymisc)\
**Replies:** 4\
**Last updated:** [September 3, 2024, 12:37pm UTC](https://devforum.zoom.us/t/use-custom-blurring-algorithm-with-video-sdk-web/116688 "2024-09-03T12:37:12Z")

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We have our own video filter for blurring the background that we would like to use with video sdk web. Is it possible to integrate @mediapipe face detection for web into the local stream and then send it the Video SDK w…

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## [A custom stream source is working on desktop but not on mobile](https://devforum.zoom.us/t/a-custom-stream-source-is-working-on-desktop-but-not-on-mobile/116768)

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**Author:** [@danielgustavo](https://devforum.zoom.us/u/danielgustavo)\
**Replies:** 0\
**Last updated:** [September 2, 2024, 7:24pm UTC](https://devforum.zoom.us/t/a-custom-stream-source-is-working-on-desktop-but-not-on-mobile/116768 "2024-09-02T19:24:01Z")

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Description In my project, the “getUserMedia” method was modified to create a “virtual camera”. This means that when the method is called with the virtual camera id, it will return a stream from the “captureStream” meth…

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## [Custom resolution on screen share using Video SDK Android](https://devforum.zoom.us/t/custom-resolution-on-screen-share-using-video-sdk-android/116680)

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**Author:** [@nicmiz](https://devforum.zoom.us/u/nicmiz)\
**Replies:** 0\
**Last updated:** [August 30, 2024, 5:41pm UTC](https://devforum.zoom.us/t/custom-resolution-on-screen-share-using-video-sdk-android/116680 "2024-08-30T17:41:22Z")

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Description I have an Android app that shares their screen using the Video SDK. Browsing thorugh the documentation, I couldn’t find anything available that would let me tweak any param (framerate, bitrate, resolution, e…

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## [Video SDK React Native 1.12.5 build error](https://devforum.zoom.us/t/video-sdk-react-native-1-12-5-build-error/116627)

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**Author:** [@ray.elward](https://devforum.zoom.us/u/ray.elward)\
**Replies:** 4\
**Last updated:** [August 30, 2024, 3:35pm UTC](https://devforum.zoom.us/t/video-sdk-react-native-1-12-5-build-error/116627 "2024-08-30T15:35:08Z")

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Hello, I am attempting to upgrade from Zoom Video SDK React Native 1.11.0 to 1.12.5. I am seeing the following errors in the EAS build system. (see end of post). I also see them on my machine locally, but when I manu…

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## [Audio Feedback Suppression](https://devforum.zoom.us/t/audio-feedback-suppression/116671)

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**Author:** [@prw3100](https://devforum.zoom.us/u/prw3100)\
**Replies:** 0\
**Last updated:** [August 30, 2024, 2:10pm UTC](https://devforum.zoom.us/t/audio-feedback-suppression/116671 "2024-08-30T14:10:54Z")

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Our team is using the latest IOS version (v1.12.10) of the Zoom Video SDK. We use it to share screen, audio and video between users and have a requirement that the microphone stays ON at all times. In some situations, we…

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## [Does Video SDK support multitasking camera access?](https://devforum.zoom.us/t/does-video-sdk-support-multitasking-camera-access/109806)

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**Author:** [@max.tran](https://devforum.zoom.us/u/max.tran)\
**Replies:** 7\
**Last updated:** [August 30, 2024, 11:29am UTC](https://devforum.zoom.us/t/does-video-sdk-support-multitasking-camera-access/109806 "2024-08-30T11:29:30Z")

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Hello! I adopted Picture-in-Picture support for my video calls inside my app. However, when a user goes into background, his video stream freezes. From iOS 16 we can user a new property to enable camera support while c…

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## [Using Video SDK restful API, I cannot get a 'session\_number' param](https://devforum.zoom.us/t/using-video-sdk-restful-api-i-cannot-get-a-session-number-param/116658)

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**Author:** [@dmytro.prusov](https://devforum.zoom.us/u/dmytro.prusov)\
**Replies:** 0\
**Last updated:** [August 30, 2024, 10:20am UTC](https://devforum.zoom.us/t/using-video-sdk-restful-api-i-cannot-get-a-session-number-param/116658 "2024-08-30T10:20:25Z")

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@chunsiong.zoom @ekaansh.zoom According to the documentation here and the recent changelog update here, the session\_number param should be returned, but it’s missing in the API response. Here’s an example of the data I…

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## [Configure different webhook URLs for each application environments](https://devforum.zoom.us/t/configure-different-webhook-urls-for-each-application-environments/115705)

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**Author:** [@Bonifacio](https://devforum.zoom.us/u/Bonifacio)\
**Replies:** 2\
**Last updated:** [August 29, 2024, 11:23am UTC](https://devforum.zoom.us/t/configure-different-webhook-urls-for-each-application-environments/115705 "2024-08-29T11:23:44Z")

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Hello all, Is it possible to configure different Video SDK webhook URLs for each application environments? I need one endpoint for PROD envinroment but I also need another one for Development purpose. Is that possible…

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## [Workaround for cloud recording breakout rooms](https://devforum.zoom.us/t/workaround-for-cloud-recording-breakout-rooms/116280)

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**Author:** [@nventurino](https://devforum.zoom.us/u/nventurino)\
**Replies:** 1\
**Last updated:** [August 28, 2024, 2:18pm UTC](https://devforum.zoom.us/t/workaround-for-cloud-recording-breakout-rooms/116280 "2024-08-28T14:18:49Z")

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Zoom Video SDK does not support Cloud Recording a breakout room. A suggested workaround has been to send participants to new video sdk sessions, instead of using the SubsessionClient. Can the Zoom Dev Team provide any fu…

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## [Converting Zoom Video Raw data into video frames](https://devforum.zoom.us/t/converting-zoom-video-raw-data-into-video-frames/116459)

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**Author:** [@nikunj.ramani](https://devforum.zoom.us/u/nikunj.ramani)\
**Replies:** 3\
**Last updated:** [August 27, 2024, 3:01pm UTC](https://devforum.zoom.us/t/converting-zoom-video-raw-data-into-video-frames/116459 "2024-08-27T15:01:40Z")

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I’m working on a macOS application using the Zoom Video SDK, and as per the SDK documentation, the user video is received in the ZMVideoSDKYUVRawDataI420 format from onRawDataFrameReceived which is mention on here(Video …

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## [Unable to display video after attaching it on the iPad Pro 10.5-inch](https://devforum.zoom.us/t/unable-to-display-video-after-attaching-it-on-the-ipad-pro-10-5-inch/116501)

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**Author:** [@lmtruong1512](https://devforum.zoom.us/u/lmtruong1512)\
**Replies:** 2\
**Last updated:** [August 28, 2024, 7:00am UTC](https://devforum.zoom.us/t/unable-to-display-video-after-attaching-it-on-the-ipad-pro-10-5-inch/116501 "2024-08-28T07:00:03Z")

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Description This issue occurs only on the iPad Pro 10.5-inch; other devices work normally. After calling stream.attachVideo and appending it to the video-player-container, the video sometimes doesn’t display and throws …

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## [Manipulate share feature in videosdk-workshop](https://devforum.zoom.us/t/manipulate-share-feature-in-videosdk-workshop/116053)

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**Author:** [@it.apps2](https://devforum.zoom.us/u/it.apps2)\
**Replies:** 2\
**Last updated:** [August 28, 2024, 6:54am UTC](https://devforum.zoom.us/t/manipulate-share-feature-in-videosdk-workshop/116053 "2024-08-28T06:54:06Z")

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Hi i’m using videosdk-workshop(GitHub - zoom/videosdk-workshop: workshop-project) as my main app but with a little bit modification, and for now i need to change and set the source of share feature from videosdk-ui-toolk…

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