# Issues developing apps **URL:** https://openvidu.discourse.group/c/openvidu-v2/problems-developing-apps/7.md?page=1 [Latest](https://openvidu.discourse.group/latest.md) · [Categories](https://openvidu.discourse.group/categories.md) · [Tags](https://openvidu.discourse.group/tags.md) **Page:** 2 --- ## [I have my webcam permissions denied on Chrome and my Publisher initialization fails](https://openvidu.discourse.group/t/i-have-my-webcam-permissions-denied-on-chrome-and-my-publisher-initialization-fails/5013)
**Author:** [@Qcr](https://openvidu.discourse.group/u/Qcr)\ **Replies:** 0\ **Last updated:** [March 6, 2024, 5:10pm UTC](https://openvidu.discourse.group/t/i-have-my-webcam-permissions-denied-on-chrome-and-my-publisher-initialization-fails/5013 "2024-03-06T17:10:53Z")
Hi, I’m running OpenVidu on Angular 17 on Chrome. I disabled my webcam permissions and I’m receiving this error: Publisher initialization failed. DEVICE\_ACCESS\_DENIED: NotAllowedError: Permission denied, resulting in th… --- ## [OVP 2.17. Delay in Starting Recording(Taking more than ~40 sec and sometime morethan 5 min)](https://openvidu.discourse.group/t/ovp-2-17-delay-in-starting-recording-taking-more-than-40-sec-and-sometime-morethan-5-min/5001)
**Author:** [@Ravindra](https://openvidu.discourse.group/u/Ravindra)\ **Replies:** 3\ **Last updated:** [March 4, 2024, 12:43pm UTC](https://openvidu.discourse.group/t/ovp-2-17-delay-in-starting-recording-taking-more-than-40-sec-and-sometime-morethan-5-min/5001 "2024-03-04T12:43:28Z")
Dear Team, We are using openvidu PRO 2.17.0 and while load is going up, we are facing this recording start issue. Some time its take more than ~40 seconds Some time its take more than ~5 minutes Some time recording n… --- ## [Camera does not turn off when publishVideo(false) is called](https://openvidu.discourse.group/t/camera-does-not-turn-off-when-publishvideo-false-is-called/1296)
**Author:** [@nsls](https://openvidu.discourse.group/u/nsls)\ **Replies:** 25\ **Last updated:** [March 4, 2024, 12:01pm UTC](https://openvidu.discourse.group/t/camera-does-not-turn-off-when-publishvideo-false-is-called/1296 "2024-03-04T12:01:56Z")
Hi. I’m trying to test out OpenVidu’s capabilities to understand if it suits to one of my client’s project. In the process of testing we found it really confusing that even after turning off the video in the openvidu-ca… --- ## [Blur filter not working anymore on Chromium based browsers](https://openvidu.discourse.group/t/blur-filter-not-working-anymore-on-chromium-based-browsers/4893)
**Author:** [@plorenz-etes](https://openvidu.discourse.group/u/plorenz-etes)\ **Replies:** 3\ **Last updated:** [February 12, 2024, 8:19pm UTC](https://openvidu.discourse.group/t/blur-filter-not-working-anymore-on-chromium-based-browsers/4893 "2024-02-12T20:19:41Z")
Lately I’ve recognized that using the blur filter doesn’t work anymore in Chromium based browsers. Maybe this is only an issue with some devices or some operating systems since I can’t get it to work on desktop Linux but… --- ## ["networkQualityLevelChanged" is never triggered](https://openvidu.discourse.group/t/networkqualitylevelchanged-is-never-triggered/4282)
**Author:** [@plorenz-etes](https://openvidu.discourse.group/u/plorenz-etes)\ **Replies:** 6\ **Last updated:** [February 12, 2024, 2:01pm UTC](https://openvidu.discourse.group/t/networkqualitylevelchanged-is-never-triggered/4282 "2024-02-12T14:01:35Z")
Our OpenVidu app has a network quality level indicator and it was working with version 2.20. Now after upgrading to 2.23, the event “networkQualityLevelChanged” doesn’t seem to be fired anymore. I have checked that “OP… --- ## [Subscriber VS Publisher role](https://openvidu.discourse.group/t/subscriber-vs-publisher-role/548)
**Author:** [@webgondel](https://openvidu.discourse.group/u/webgondel)\ **Replies:** 5\ **Last updated:** [February 8, 2024, 3:28pm UTC](https://openvidu.discourse.group/t/subscriber-vs-publisher-role/548 "2024-02-08T15:28:01Z")
Hello again! … We have big test running with OpenViduCall on Monday \>\> and I want to know: Do we really have to give all users the publisher roll in one session?? Yeah, they should see each other and should have the p… --- ## [Problems connecting many users on kurento/openvidu](https://openvidu.discourse.group/t/problems-connecting-many-users-on-kurento-openvidu/4544)
**Author:** [@fboccacini](https://openvidu.discourse.group/u/fboccacini)\ **Replies:** 1\ **Last updated:** [February 8, 2024, 3:21pm UTC](https://openvidu.discourse.group/t/problems-connecting-many-users-on-kurento-openvidu/4544 "2024-02-08T15:21:01Z")
Good morning, we are experiencing problems when trying to connect more than a few users to a meeting, using Kurento and OpenVidu. Starting the session and adding up to 6-7 users seems to work correctly, but any more us… --- ## [Cannot get remote video/audio when using mobile data flutter(on-premise,dmz deployment)](https://openvidu.discourse.group/t/cannot-get-remote-video-audio-when-using-mobile-data-flutter-on-premise-dmz-deployment/4788)
**Author:** [@farid](https://openvidu.discourse.group/u/farid)\ **Replies:** 2\ **Last updated:** [February 8, 2024, 1:30am UTC](https://openvidu.discourse.group/t/cannot-get-remote-video-audio-when-using-mobile-data-flutter-on-premise-dmz-deployment/4788 "2024-02-08T01:30:04Z")
Cannot get remote video/audio when using mobile data flutter(on-premise,dmz deployment). But everything is all good when using internal wifi. --- ## [Various error building on iOS](https://openvidu.discourse.group/t/various-error-building-on-ios/4975)
**Author:** [@Mauro](https://openvidu.discourse.group/u/Mauro)\ **Replies:** 0\ **Last updated:** [February 6, 2024, 9:34am UTC](https://openvidu.discourse.group/t/various-error-building-on-ios/4975 "2024-02-06T09:34:40Z")
I open a new topic becaue I ran into different and new problems trying to build the basic react-native example on iOS. Step by step: move to “ios” folder and run “pod install”. I received this error: “\[!\] Invalid Podf… --- ## [What the correct way to temporarily stop video/audio](https://openvidu.discourse.group/t/what-the-correct-way-to-temporarily-stop-video-audio/4945)
**Author:** [@mikeks](https://openvidu.discourse.group/u/mikeks)\ **Replies:** 4\ **Last updated:** [February 5, 2024, 5:04pm UTC](https://openvidu.discourse.group/t/what-the-correct-way-to-temporarily-stop-video-audio/4945 "2024-02-05T17:04:31Z")
What is the correct way to temporarily disable video/audio transmission from PUBLISHER client (an app) so it doesn’t transmit anything? The goal is CPU and Network load optimization on the server. a) Disable Audio/Video… --- ## [How to disable log?](https://openvidu.discourse.group/t/how-to-disable-log/1021)
**Author:** [@jeffma](https://openvidu.discourse.group/u/jeffma)\ **Replies:** 3\ **Last updated:** [February 3, 2024, 10:12pm UTC](https://openvidu.discourse.group/t/how-to-disable-log/1021 "2024-02-03T22:12:58Z")
On some server, openvidu creates a huge log file in /var/lib/docker/container/…/\*.log. How do I disable log file all together on production? thanks. --- ## [Load test results on audio-only sessions](https://openvidu.discourse.group/t/load-test-results-on-audio-only-sessions/4968)
**Author:** [@jyoo0323](https://openvidu.discourse.group/u/jyoo0323)\ **Replies:** 0\ **Last updated:** [February 2, 2024, 2:58am UTC](https://openvidu.discourse.group/t/load-test-results-on-audio-only-sessions/4968 "2024-02-02T02:58:14Z")
Hi I have a question about the maximum capacity of audio-only sessions. I am fairly new to openvidu and webrtc in general, so I might ask you for silly questions so my apologies in advance. I am thinking to go with ope… --- ## [Video not being shown on rejoin](https://openvidu.discourse.group/t/video-not-being-shown-on-rejoin/4950)
**Author:** [@sa.duonomic](https://openvidu.discourse.group/u/sa.duonomic)\ **Replies:** 1\ **Last updated:** [January 31, 2024, 6:17pm UTC](https://openvidu.discourse.group/t/video-not-being-shown-on-rejoin/4950 "2024-01-31T18:17:56Z")
We have a particular use case where we only want to show only one user video at a time. Its working properly initially, but when a user drops and rejoins again the video just goes blank. Can anyone let me know what mig… --- ## [Openvidu-Browser -\> change degradationPreference settings](https://openvidu.discourse.group/t/openvidu-browser-change-degradationpreference-settings/4967)
**Author:** [@DiStefano8472](https://openvidu.discourse.group/u/DiStefano8472)\ **Replies:** 0\ **Last updated:** [January 31, 2024, 6:04pm UTC](https://openvidu.discourse.group/t/openvidu-browser-change-degradationpreference-settings/4967 "2024-01-31T18:04:28Z")
Hi, in our use case with individual recording (and build final video with ffmpeg) it is important to have a constant video resolution. We want to change degradationPreference from “balanced” to “maintain-resolution”. We… --- ## [Sample code is not working](https://openvidu.discourse.group/t/sample-code-is-not-working/4960)
**Author:** [@icepie](https://openvidu.discourse.group/u/icepie)\ **Replies:** 1\ **Last updated:** [January 30, 2024, 12:34pm UTC](https://openvidu.discourse.group/t/sample-code-is-not-working/4960 "2024-01-30T12:34:44Z")
Hello i am the begginer in using openvidu. (Full control of the UI - Basc Tutorials - openvidu-react) sample code worked properly until last friday. However, from the next day, the following error appeared and it did … --- ## [VB Blur Filter Pro](https://openvidu.discourse.group/t/vb-blur-filter-pro/4911)
**Author:** [@FlokiIsHere](https://openvidu.discourse.group/u/FlokiIsHere)\ **Replies:** 2\ **Last updated:** [January 11, 2024, 2:34pm UTC](https://openvidu.discourse.group/t/vb-blur-filter-pro/4911 "2024-01-11T14:34:42Z")
I’m trying to put the VB Blur in my application using the the pro version of openVidu I keep getting this error: ERROR:org.kurento.client.internal.server.KurentoServerException:Factory ‘VB:blur’ not found (Code:40108, … --- ## [JsonRpcClient is disconnected from WebSocket server](https://openvidu.discourse.group/t/jsonrpcclient-is-disconnected-from-websocket-server/4944)
**Author:** [@mikeks](https://openvidu.discourse.group/u/mikeks)\ **Replies:** 0\ **Last updated:** [January 20, 2024, 5:26pm UTC](https://openvidu.discourse.group/t/jsonrpcclient-is-disconnected-from-websocket-server/4944 "2024-01-20T17:26:26Z")
I sometimes getting the error message “JsonRpcClient is disconnected from WebSocket server at ws://…:8888” in the clients (Web and apps) in OV signaling plane. Can anyone explain to me the meaning of this error? Does th… --- ## [Massive Conference - crash while switching publisher](https://openvidu.discourse.group/t/massive-conference-crash-while-switching-publisher/846)
**Author:** [@sirfragles](https://openvidu.discourse.group/u/sirfragles)\ **Replies:** 27\ **Last updated:** [January 20, 2024, 5:18pm UTC](https://openvidu.discourse.group/t/massive-conference-crash-while-switching-publisher/846 "2024-01-20T17:18:32Z")
Hello, we are trying to build an app that is similar to “Massive Conference” example, there is always one publisher and all others users are subscribers but there rolle can change between. During change we are usuall… --- ## [Problems with low or medium quality connections](https://openvidu.discourse.group/t/problems-with-low-or-medium-quality-connections/4843)
**Author:** [@ewerton](https://openvidu.discourse.group/u/ewerton)\ **Replies:** 1\ **Last updated:** [January 16, 2024, 5:14pm UTC](https://openvidu.discourse.group/t/problems-with-low-or-medium-quality-connections/4843 "2024-01-16T17:14:52Z")
Hi! I have been using OpenVidu since version 2.26 (I currently have version 2.28 installed) OnPremisse, where my clients use it in the browser and on mobile (React Native). I see that when users have good quality inter… --- ## [Seemingly high network requirements for calls on iOS and Android](https://openvidu.discourse.group/t/seemingly-high-network-requirements-for-calls-on-ios-and-android/4919)
**Author:** [@AshleyT](https://openvidu.discourse.group/u/AshleyT)\ **Replies:** 0\ **Last updated:** [January 16, 2024, 12:54pm UTC](https://openvidu.discourse.group/t/seemingly-high-network-requirements-for-calls-on-ios-and-android/4919 "2024-01-16T12:54:02Z")
Have recently been playing around with throttling network speeds during calls to see how the application handles it. Have found that when setting speeds lower than 780/600 kbps users on iOS and Android are likely to expe… --- ## [Kurento not finding a filter module](https://openvidu.discourse.group/t/kurento-not-finding-a-filter-module/4288)
**Author:** [@OM-user](https://openvidu.discourse.group/u/OM-user)\ **Replies:** 1\ **Last updated:** [November 11, 2022, 7:10pm UTC](https://openvidu.discourse.group/t/kurento-not-finding-a-filter-module/4288 "2022-11-11T19:10:46Z")
I created a new filter module in Kurento, and am trying to use the OpenVidu filter tutorial demo to call it. I get the following error: ERROR:org.kurento.client.internal.server.KurentoServerException:Factory ‘MfModule’… --- ## [Applying 'FaceOverlayFilter' or 'ChromaFilter' gives ERROR](https://openvidu.discourse.group/t/applying-faceoverlayfilter-or-chromafilter-gives-error/4899)
**Author:** [@atitkharel](https://openvidu.discourse.group/u/atitkharel)\ **Replies:** 3\ **Last updated:** [January 15, 2024, 12:23pm UTC](https://openvidu.discourse.group/t/applying-faceoverlayfilter-or-chromafilter-gives-error/4899 "2024-01-15T12:23:28Z")
I’m trying to apply filter to a OpenVidu camera stream in a website. The server is hosted separately communicating through APIs to create sessions and tokens. I’ve tried applying other filter type ‘GStreamerFilter’ whic… --- ## [Issue on rotating video stream](https://openvidu.discourse.group/t/issue-on-rotating-video-stream/4914)
**Author:** [@Mauro](https://openvidu.discourse.group/u/Mauro)\ **Replies:** 0\ **Last updated:** [January 15, 2024, 9:19am UTC](https://openvidu.discourse.group/t/issue-on-rotating-video-stream/4914 "2024-01-15T09:19:45Z")
Hi! I have two OpenVidu “app”. One is an app for smartphone and the other is a web app. In both the app I need to rotate the view of the video source. This seems easly possibile on the web rotating the container of the… --- ## [reconnectStream doesn't work for remote streams](https://openvidu.discourse.group/t/reconnectstream-doesnt-work-for-remote-streams/4904)
**Author:** [@mikeks](https://openvidu.discourse.group/u/mikeks)\ **Replies:** 3\ **Last updated:** [January 14, 2024, 8:11pm UTC](https://openvidu.discourse.group/t/reconnectstream-doesnt-work-for-remote-streams/4904 "2024-01-14T20:11:41Z")
Hello! Looks like reconnectStream RPC command only works for my own local streams but not for remove streams. When using for remote stream, the command returns session ID only, SDP answer and stream ID are missing. Exa… --- ## [Recording start failed with disabled AudioTrack](https://openvidu.discourse.group/t/recording-start-failed-with-disabled-audiotrack/4755)
**Author:** [@DiStefano8472](https://openvidu.discourse.group/u/DiStefano8472)\ **Replies:** 4\ **Last updated:** [January 11, 2024, 10:19am UTC](https://openvidu.discourse.group/t/recording-start-failed-with-disabled-audiotrack/4755 "2024-01-11T10:19:58Z")
Hi, we use OpenVidu (2.28) for streaming a live video from an self developed android app (from you example) to a self developed browser app (using openvidu browser). Everything works fine - even the individual recordin… --- ## [I deploy openvidu on premises. but sometimes its working and sometimes not](https://openvidu.discourse.group/t/i-deploy-openvidu-on-premises-but-sometimes-its-working-and-sometimes-not/4896)
**Author:** [@Mayank\_Sharma](https://openvidu.discourse.group/u/Mayank_Sharma)\ **Replies:** 2\ **Last updated:** [January 8, 2024, 11:58am UTC](https://openvidu.discourse.group/t/i-deploy-openvidu-on-premises-but-sometimes-its-working-and-sometimes-not/4896 "2024-01-08T11:58:24Z")
getting following error https://bbem.org/dashboard this is my server --- ## [React-native on IOS - openvidu 2.29.0](https://openvidu.discourse.group/t/react-native-on-ios-openvidu-2-29-0/4883)
**Author:** [@Mauro](https://openvidu.discourse.group/u/Mauro)\ **Replies:** 2\ **Last updated:** [December 15, 2023, 7:42am UTC](https://openvidu.discourse.group/t/react-native-on-ios-openvidu-2-29-0/4883 "2023-12-15T07:42:39Z")
I’m trying to test the react-native example on iOS. To run the app on the simulator I added one change in Pod file. From this: use\_react\_native!(:path =\> config\["reactNativePath"\]) to this use\_react\_native!(:path =\> … --- ## [Devide already in use](https://openvidu.discourse.group/t/devide-already-in-use/3369)
**Author:** [@gustavo.teixeira](https://openvidu.discourse.group/u/gustavo.teixeira)\ **Replies:** 4\ **Last updated:** [December 14, 2023, 7:40pm UTC](https://openvidu.discourse.group/t/devide-already-in-use/3369 "2023-12-14T19:40:54Z")
Hello, One of our users is getting the “DEVICE ALREADY IN USE” warning without two browsers opened. In which other situation this message is triggered? Is there some way to check which devices and where they are being u… --- ## [How to fix Error sending ICE candidate error?](https://openvidu.discourse.group/t/how-to-fix-error-sending-ice-candidate-error/627)
**Author:** [@hazratgs](https://openvidu.discourse.group/u/hazratgs)\ **Replies:** 5\ **Last updated:** [December 11, 2023, 3:43pm UTC](https://openvidu.discourse.group/t/how-to-fix-error-sending-ice-candidate-error/627 "2023-12-11T15:43:37Z")
Hello everyone, we often get an error: Error sending ICE candidate: {" request ":" {\\ "jsonrpc \\": \\ "2.0 \\", \\ "method \\": \\ "onIceCandidate \\", \\ "params \\": {\\ "endpointName \\": \\ "qhrjys9qozm4t2ep \\", \\ "candidate \\… --- ## [Not able close session when GStreamer is enabled](https://openvidu.discourse.group/t/not-able-close-session-when-gstreamer-is-enabled/4880)
**Author:** [@RobinSylvester](https://openvidu.discourse.group/u/RobinSylvester)\ **Replies:** 0\ **Last updated:** [December 11, 2023, 12:04pm UTC](https://openvidu.discourse.group/t/not-able-close-session-when-gstreamer-is-enabled/4880 "2023-12-11T12:04:50Z")
Hi When I apply video filter to the stream and call close session REST API at the end of the call, it returns 500 error code. Without applying video filter to stream, close session is working fine. We are using openvidu… [Previous page](https://openvidu.discourse.group/c/openvidu-v2/problems-developing-apps/7.md) [Next page](https://openvidu.discourse.group/c/openvidu-v2/problems-developing-apps/7.md?page=2)