Webcam Test Ubuntu Focal 20210318
From wikidb
For Ubuntu 20.04
Contents
Cheese
References
Test
Plug in a Logitech C270 camera
$ dmesg | grep -i "Camera"
[ 245.857696] input: UVC Camera (046d:0825) as /devices/pci0000:00/0000:00:14.0/usb2/2-4/2-4:1.0/input/input12
$ ls -ltrh /dev/video*
crw-rw----+ 1 root video 81, 0 Mar 18 17:10 /dev/video0
crw-rw----+ 1 root video 81, 1 Mar 18 17:10 /dev/video1
$ cheese
$ lsusb
Bus 001 Device 002: ID 8087:8000 Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 002: ID 05e3:0617 Genesys Logic, Inc. USB3.0 Hub
Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 008: ID 8087:07dc Intel Corp.
Bus 002 Device 007: ID 046d:0825 Logitech, Inc. Webcam C270
Bus 002 Device 005: ID 10c4:ea60 Silicon Labs CP210x UART Bridge
Bus 002 Device 003: ID 0483:5740 STMicroelectronics Virtual COM Port
Bus 002 Device 006: ID 413c:3200 Dell Computer Corp. Mouse
Bus 002 Device 004: ID f617:0905 Silicon Labs CP2102 USB to UART Bridge Controller
Bus 002 Device 002: ID 05e3:0610 Genesys Logic, Inc. 4-port hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
$ lsusb -s 2:7 -v
Bus 002 Device 007: ID 046d:0825 Logitech, Inc. Webcam C270
Couldn't open device, some information will be missing
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 239 Miscellaneous Device
bDeviceSubClass 2
bDeviceProtocol 1 Interface Association
bMaxPacketSize0 64
idVendor 0x046d Logitech, Inc.
idProduct 0x0825 Webcam C270
bcdDevice 0.12
iManufacturer 0
iProduct 0
iSerial 2
...
...
May be of interest
$ guvcview
Command 'guvcview' not found
