Video Capture Stopped Working

[GrahamP-P]

Hi All,

I'm very new to HyperHDR but had it working but for some reason it has now stopped. I have a somewhat unique setup in that I am running HyperHDR 19.0.0.0 on a Ubuntu virtual machine on ProxMox. The capture card is an OKK

https://www.amazon.co.uk/dp/B089YNG1RH

which passed through from the ProxMox hypervisor to the VM.

After initial setup this worked fine and I could see the capture card in HyperHDR and had it hooked up to my LEDs using an ESP32 and WLED. But after a couple of weeks it has stopped working and but now the capture card does not show up in HyperHDR. I've taken the capture card out of the system and connected it to my windows laptop and it works fine so I don't think there is an issue with the capture card.

When looking at the HyperHDR logs i see the following:

2023-04-24T19:39:19.998Z [V4L2:AUTO] Throws error nr: Cannot open '/dev/video1' error code 13, Permission denied
2023-04-24T19:39:19.998Z [V4L2:AUTO] Throws error nr: Cannot open '/dev/video0' error code 13, Permission denied
2023-04-24T19:39:19.998Z [V4L2:AUTO] Restarting video grabber is now blocked due to reloading of the configuration

and

2023-04-24T19:39:20.087Z [PIPEWIRE_SYSTEM:AUTO] Could not load Pipewire proxy library. Error: libpipewire-0.3.so.0: cannot open shared object file: No such file or directory
2023-04-24T19:39:20.087Z [DAEMON] The system doesn't support the Pipewire/Portal grabber
2023-04-24T19:39:20.087Z [X11_SYSTEM:AUTO] Cropping image: width=0 height=0; crop: left=0 right=0 top=0 bottom=0
2023-04-24T19:39:20.091Z [X11_SYSTEM:AUTO] Loaded X11 proxy library for screen capturing
2023-04-24T19:39:20.141Z [DAEMON] The system doesn't support the X11 grabber

Any help greatly appreciated.

Cheers,

Graham

[awawa-dev]

2023-04-24T19:39:19.998Z [V4L2:AUTO] Throws error nr: Cannot open '/dev/video1' error code 13, Permission denied
2023-04-24T19:39:19.998Z [V4L2:AUTO] Throws error nr: Cannot open '/dev/video0' error code 13, Permission denied

User used by HyperHDR service doesn't have a permission to acccess this device (generally it's your OS configuration problem, usually it's solved by adding a user to the video user group) or simply the device is not functioning properly (you must search the answer in the OS or in hypervisor logs). Pipewire logs are irrelevant to your problem

[GrahamP-P]

Thank you. Adding the user to the video group did the trick, awesome :)

For those having the same issue, I did this to resolve it for Ubuntu. Type the following command to add the user to the video group:

sudo usermod -a -G video username

Replace username with the actual username of the user you want to add to the video group.