kde kamoso cheese black screen

 v4l2-ctl --list-devices

(The above requires v4l-utils is installed)


https://community.frame.work/t/solved-webcam-not-working-on-ubuntu-22-04-12th-generation-laptop/32253/32

guvcview



lsusb

tested with Jitsi Meet and webcamera.io

https://forum.kde.org/viewtopic.php%3Ff=19&t=166063.html

gstreamer-qapt/noble 3.0.5-2build3 amd64
gstreamer1.0-adapter-pulseeffects/noble 4.8.7-2build3 amd64
gstreamer1.0-alsa/noble-updates,noble-security 1.24.2-1ubuntu0.2 amd64
gstreamer1.0-autogain-pulseeffects/noble 4.8.7-2build3 amd64
gstreamer1.0-clutter-3.0/noble,now 3.0.27-4build1 amd64 [已安裝，自動]
gstreamer1.0-convolver-pulseeffects/noble 4.8.7-2build3 amd64
gstreamer1.0-crystalizer-pulseeffects/noble 4.8.7-2build3 amd64
gstreamer1.0-espeak/noble 0.5.0-1build2 amd64
gstreamer1.0-fdkaac/noble 1.20.0-1build2 amd64
gstreamer1.0-gl/noble-updates,noble-security,now 1.24.2-1ubuntu0.2 amd64 [已安裝，自動]
gstreamer1.0-gtk3/noble-updates,noble-security,now 1.24.2-1ubuntu1.1 amd64 [已安裝，自動]
gstreamer1.0-libav/noble,now 1.24.1-1build1 amd64 [已安裝，自動]
gstreamer1.0-libcamera/noble 0.2.0-3fakesync1build6 amd64
gstreamer1.0-nice/noble 0.1.21-2build3 amd64
gstreamer1.0-opencv/noble 1.24.2-1ubuntu4 amd64
gstreamer1.0-packagekit/noble-updates 1.2.8-2ubuntu1.2 amd64
gstreamer1.0-pipewire/noble-updates 1.0.5-1ubuntu3 amd64
gstreamer1.0-plugins-bad-apps/noble 1.24.2-1ubuntu4 amd64
gstreamer1.0-plugins-bad/noble,now 1.24.2-1ubuntu4 amd64 [已安裝，自動]
gstreamer1.0-plugins-base-apps/noble-updates,noble-security 1.24.2-1ubuntu0.2 amd64
gstreamer1.0-plugins-base/noble-updates,noble-security,now 1.24.2-1ubuntu0.2 amd64 [已安裝，自動]
gstreamer1.0-plugins-good/noble-updates,noble-security,now 1.24.2-1ubuntu1.1 amd64 [已安裝，自動]
gstreamer1.0-plugins-rtp/noble 1.18.1.2 all
gstreamer1.0-plugins-ugly/noble,now 1.24.1-1build1 amd64 [已安裝，自動]
gstreamer1.0-pocketsphinx/noble 0.8.0+real5prealpha+1-15ubuntu5 amd64
gstreamer1.0-pulseaudio/noble-updates,noble-security 1.24.2-1ubuntu1.1 amd64
gstreamer1.0-python3-plugin-loader/noble 1.24.1-1 amd64
gstreamer1.0-qt5/noble-updates,noble-security 1.24.2-1ubuntu1.1 amd64
gstreamer1.0-qt6/noble-updates,noble-security 1.24.2-1ubuntu1.1 amd64
gstreamer1.0-rtsp/noble 1.24.2-1 amd64
gstreamer1.0-tools/noble-updates,noble-security 1.24.2-1ubuntu0.1 amd64
gstreamer1.0-vaapi/noble,now 1.24.2-1 amd64 [已安裝，自動]
gstreamer1.0-x/noble-updates,noble-security,now 1.24.2-1ubuntu0.2 amd64 [已安裝，自動]