I am able to view my webcam video feed in a qube by sharing the webcam to the qube from the sys-usb tray. However if I try to do that directly from the qube (either by clicking on the “Receive Webcam” shortcut or by running qubes-video-companion webcam), it doesn’t work and just gives me the error:
Operation canceled by sender
Is there anything I could do to debug this, any logs I could look at?
Interestingly, the “Receive Screenshare” feature works perfectly. This is in a fully-updated install of Qubes 4.3 at the time of writing.