: If it is from a security system (like Hikvision, Dahua, or Lorex), you may need their specific "Player" utility available on the manufacturer's support page.
: The most common video container format , typically using the H.264 codec to balance quality and storage. How to View This Content 38495-60 601531470826_Sub_f_1532160055.mp4
: This is a Unix Timestamp . It represents the number of seconds that have elapsed since January 1, 1970. : If it is from a security system