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🔍 See Original Answer on Ask Ubuntu ⧉ 🔗
URL:
https://askubuntu.com/q/1336985
Title:
How can I tell which of these video devices is a webcam?
ID:
/2021/05/08/How-can-I-tell-which-of-these-video-devices-is-a-webcam_
Created:
May 8, 2021
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April 8, 2024
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There is a package called usbutils which can be an invaluable tool:
sudo apt install usbutils
Then you can query any USB device and get a lot of information:
$ sudo lsusb -v | grep -i webcam -a14
Bus 001 Device 009: ID 1bcf:2b8c Sunplus Innovation Technology Inc.
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 239 Miscellaneous Device
bDeviceSubClass 2 ?
bDeviceProtocol 1 Interface Association
bMaxPacketSize0 64
idVendor 0x1bcf Sunplus Innovation Technology Inc.
idProduct 0x2b8c
bcdDevice 47.14
iManufacturer 1 SunplusIT Inc
iProduct 2 Integrated_Webcam_HD
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 767
bNumInterfaces 2
bConfigurationValue 1
iConfiguration 0
bmAttributes 0x80
(Bus Powered)
MaxPower 500mA
Interface Association:
bLength 8
bDescriptorType 11
bFirstInterface 0
bInterfaceCount 2
bFunctionClass 14 Video
bFunctionSubClass 3 Video Interface Collection
bFunctionProtocol 0
iFunction 4 Integrated Webcam
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 14 Video
bInterfaceSubClass 1 Video Control
bInterfaceProtocol 0
iInterface 4 Integrated Webcam
VideoControl Interface Descriptor:
bLength 13
bDescriptorType 36
bDescriptorSubtype 1 (HEADER)
bcdUVC 1.00
wTotalLength 109
dwClockFrequency 48.000000MHz
bInCollection 1
baInterfaceNr( 0) 1
VideoControl Interface Descriptor:
bLength 18
bDescriptorType 36
bDescriptorSubtype 2 (INPUT_TERMINAL)
bTerminalID 1