processing renaming snapshot timelapse

Hi Togehter, i newley own a IPC-HFW5231E-Z12 - its a great pice of hardware! I upload a snapshot every 30 Seconds on my ftp in order to process them to a timelapsevideo with ffmpeg after 7 days. The pictures a stored in a special directory-tree like this: ./cam/2017-09-17/001/jpg/12/50...