# v4l2-ctl --list-formats
ioctl: VIDIOC_ENUM_FMT
        Index       : 0
        Type        : Video Capture
        Pixel Format: 'YU12'
        Name        : Planar YUV 4:2:0

# v4l2-ctl --list-framesizes=YU12
ioctl: VIDIOC_ENUM_FRAMESIZES
        Size: Stepwise 16x16 - 2592x1944 with step 2/2