Nextcloud Talk Meeting Screen Sharing Issues

[He-Peter-Huang]

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Steps to reproduce

1. Start Call
2. Click Screen Share

Expected Behavior

1. The app prompts the system to select a specific application window for sharing.
2. Shares the selected application window seamlessly during the meeting.
3. Automatically stops screen sharing and releases screen-sharing resources when the call ends.

Actual Behavior

1. The app requests access to share all open windows instead of targeting a specific application window.
   • This requires the system to encode video streams for all open windows.
2. On Macs with a large number of open windows (e.g., 50), this causes significant performance degradation, potentially freezing the system due to the strain of encoding multiple video streams simultaneously.
3. The app fails to release screen or window-sharing resources even after the video meeting ends.
   • This leads to potential privacy concerns and further performance issues.
4. Screen share on Mac mutes microphone #951

Diagnosis report

Insert a diagnosis report here.

It can be found in the About window (open from the menu or via F1 and click on "Copy report" button).

Client logs

Press Ctrl+Shift+I (Cmd+Option+C on macOS) or use the context menu to open the developer tools, then go to the Console tab.

Insert error logs here.

[ShGKme]

Starting screen sharing unexpectedly disables microphone audio.

• The microphone remains unavailable until the app is restarted.

• This is duplication of Screen share on Mac mutes microphone #951

Other issues are relevant.

[He-Peter-Huang]

For Screen Sharing and or App Window Sharing, maybe use macOS native screen sharing methods?

[ShGKme]

For Screen Sharing and or App Window Sharing, maybe use macOS native screen sharing methods?

• [wip] feat(screensharing): use setDisplayMediaRequestHandler #1022