I am running Ubiquity PoE with HikVision and streaming to the SmartThings android app using the “General Video Camera DT” ( [RELEASE] Generic Video Camera DeviceType, Yes, Live Video Streaming ).
SmartTiles / ActionTiles is weird with no RTSP support.
The Ubiquity / HikVision combo is really sweet and works awesome with the Synology NAS - NVR platform Surveillance Station.