CODEWITHSUNDEEP
c++linuxcamerausb
Mohsen Zahraee
Mohsen Zahraee

Reputation: 3483

Get hardware information of /dev/video0

I have two USB camera in Linux, so i have two entries in /dev/ directory(video0 and video1).

I want to get hardware information (i.e. vendor id, product id, device name) about this two camera base on videoX and choose right camera depend on its hardware information.

is there any way to get hardware information about videoX in cpp?

Upvotes: 5

Views: 7051

Answers (1)

Mohsen Zahraee
Mohsen Zahraee

Reputation: 3483

It's easy by just traversing sysfs devices by a given class. The following command-line:

cat /sys/class/video4linux/video0/name 
cat /sys/class/video4linux/video0/device/input/input3/id/product
cat /sys/class/video4linux/video0/device/input/input3/id/vendor

Upvotes: 14

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