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I have a Schenker XMG U706 notebook which has a BisonCam NB Pro cam in it. I remember when having used Zoom (What a coincidende in naming! :) under (dual boot) Windows I could zoom in/out the video. Now that I have to use BigBlueButton in FF under Linux my face (in appx. 1 m distance) fills about 1/8 of the video display only and apparently there isn't any option to change this in this virtual classroom app.

Is there a way to change the zoom level a level below the app and the browser, e.g. in webcam settings of KDE or the OS itself?

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  • Install qv4l2 third tab contains zoom slider , but im not sure how to save value. Nov 20, 2023 at 18:12
  • @GoranTosev Late to my own party since I missed your comment until just a few mins ago. I installed qv4l2 (1.24.1) now but its third tab Camera Controls just contains Exposure, Dynamic Framerate ☒. Is it Cropping & Compose Settings on its first tab General Setings, perhaps? But I can't change anything on the sliders there anyway. Jan 21 at 21:39
  • @GoranTosev Running it with sudo: qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.\n This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.\n\n Available platform plugins are: eglfs, linuxfb, minimal, minimalegl, offscreen, vnc, wayland-egl, wayland, wayland-xcomposite-egl, wayland-xcomposite-glx, xcb Jan 21 at 21:41

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