New feature being discussed on github to allow rules to work out which line number is crossed. See here
I have tested this on the latest firmware which can be found at the link in this post as Hikvision release builds that dont reach the download pages on their site. Just look in the download area at what model range the camera is in and then check the release notes for the firmware and it will have all supported models listed there.
Hikvision cameras need urgent firmware update - Off-Topic - openHAB Community