On Sat, 13 May 2023 14:50:33 -0600
the...@sys-concept.com wrote:
> Getting an error message when trying to start usb-cam:
>
> guvcview
> ENCODER: no video codec detected for VP9 (VP9)
> ENCODER: no video codec detected for Theora (ogg theora)
> GUVCVIEW: version 2.0.8
> GUVCVIEW: couldn't open /home/joseph/.config/guvcview2/video0 for read: No
> such file or directory
> V4L2_CORE: ERROR opening V4L interface: No such file or directory
> GUVCVIEW (2): Guvcview error
>no video device (/dev/video0) found
> GUVCVIEW (Qt5): fatal error (0 devices detected)
> GUVCVIEW (Qt5): creating error dialog
>
> dmesg:
>
> [935066.984348] usb 1-1.4: Product: Vega USB2.0 Camera
> [935066.984350] usb 1-1.4: Manufacturer: Vimicro Corp.
> [936075.049430] usb 1-1.4: USB disconnect, device number 47
> [936080.312412] usb 1-1.4: new high-speed USB device number 48 using xhci_hcd
> [936080.504291] usb 1-1.4: New USB device found, idVendor=0ac8,
> idProduct=0331, bcdDevice= 1.00
> [936080.504296] usb 1-1.4: New USB device strings: Mfr=1, Product=2,
> SerialNumber=0
> [936080.504297] usb 1-1.4: Product: Vega USB2.0 Camera
> [936080.504299] usb 1-1.4: Manufacturer: Vimicro Corp.
>
Do you have read/write access to /dev/video0? Try with:
ls -lh /dev/video*
