An interesting feature to explore with a file like is a "Deep Metadata Scavenger Hunt" —an investigation that treats the file not as a video, but as a digital artifact containing hidden history.
Many .mp4 files from dashcams (often labeled "DOD" for the brand DOD Tech) encode GPS coordinates directly into the data stream. A feature could extract these and sync them to a 3D map, showing exactly where the vehicle was at the second the "327th" clip was recorded. Dod (327) mp4
Instead of just watching the video, you could build a feature that reconstructs the "life" of the file using its internal DNA: An interesting feature to explore with a file