I have installed v4l2 ubuntu package on Jetson Nano. By running these commands I want to find USB Cameras plugged in to Jetson Nano, But it doesn’t show any usb camera.
command:
v4l2-ctl -d /dev/video0 --all
message:
Failed to query video capabilities: No such file or directory
libv4l2: error getting capabilities: No such file or directory
VIDIOC_QUERYCAP: failed: No such file or directory
/dev/video0: not a v4l2 node
command:
v4l2-ctl --list-devices
message:
Failed to query video capabilities: No such file or directory
libv4l2: error getting capabilities: No such file or directory
Failed to query video capabilities: No such file or directory
libv4l2: error getting capabilities: No such file or directory
VIDIOC_QUERYCAP: failed: No such file or directory
/dev/video0: not a v4l2 node
Failed to open /dev/video1: No such file or directory
becuse I have just one USB camera.
output of
v4l2-ctl -d /dev/video0 --list-formats-ext
Failed to query video capabilities: No such file or directory
libv4l2: error getting capabilities: No such file or directory
VIDIOC_QUERYCAP: failed: No such file or directory
/dev/video0: not a v4l2 node