Camera is recognised but no picture is captured

[JohnJohn (John Johnson)]

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Linux 18.04 LTS + LB 0.9.20 - Camera LattePanda 5M or Laptop WebCam - get Black screen (Solved)

Hello, On My Dell laptop with Light burn 0.9.20 with Camera LattePanda 5M or Laptop WebCam, I get a Black screen on camera view. My Operating system is Xubuntu 18.04 LTS. the both camera are working well under Linux Xubuntu 18.04 LTS with the application Cheese and Camorama I ansered me because I found the solution : adding permission to camera sudo chown root:video /dev/video0 sudo chmod 660 /dev/video0

Linux camera lens calibration black screen

Linux POP-OS 20.04 lts Lightburn 0.9.24 Found issue while trying to set up camera Lens Calibration the Camera view window will only show a black screen. getting gst_vaapi_window_x11_new_with_xid: assertion ‘xid != None’ failed only work around so far is to sudo apt remove gstreamer1.0-vaapi which allows you to get video back to Camera view but the os complains about it needing the gstreamer vaapi for pop-desktop