Constant v4l::v4l2::vidioc::VIDIOC_OVERLAY

pub const VIDIOC_OVERLAY: _IOC_TYPE = (crate::v4l2::vidioc::_IOC_WRITE as _IOC_TYPE) <<
    crate::v4l2::vidioc::_IOC_DIRSHIFT |
    (b'V' as _IOC_TYPE) << crate::v4l2::vidioc::_IOC_TYPESHIFT |
    (14 as _IOC_TYPE) << crate::v4l2::vidioc::_IOC_NRSHIFT |
    (std::mem::size_of::<std::os::raw::c_int>() as _IOC_TYPE) <<
        crate::v4l2::vidioc::_IOC_SIZESHIFT; // 0x0_000_000_040_045_60eu64