Setup ITVDesk ONVIF IP Camera media From File and test it over VLC player
ITVDesk IP Camera support multiple From File.
Any *.mp4 or *.flv video file can be stream over ITVDesk ONVIF IP Camera.
It's possible with ITVDesk to create an RTSP streams from local media file
and use it to transmit over RTSP and ONVIF IP Camera.
https://www.itvdesk.eu/