USB

Supported USB webcam resolution

Source

• Method A: make a picture and check the resolution.
• Method B:

$ lsusb
Bus 001 Device 002: ID 5986:0241 Acer, Inc BisonCam, NB Pro

$ lsusb -s 001:002 -v | egrep "Width|Height"
wWidth    640
wHeight   480
wWidth    1280
wHeight   1024

• Method C:

sudo apt-get install v4l-utils
v4l2-ctl --list-formats-ext

• Method D:

ffmpeg -f video4linux2 -list_formats all -i /dev/video0