It is highly possible this is a local file from a smartphone or digital camera that has been uploaded to a cloud service or shared in a private community. Technical Analysis of the Filename
If this file is related to a specific , local news event , or private project , providing more context about where you encountered the name would help in tracking down its specific contents. g4_0151.mp4
This confirms the file is a digital multimedia container, most commonly used for storing video and audio. It is compatible with almost all modern players and web browsers. It is highly possible this is a local
Based on the naming convention, here are the most likely contexts for this file: Potential Origins local news event