Devices like GoPro or DJI often use sequential naming conventions (e.g., "G" for GoPro, followed by chapter or file numbers).
Cloud services or local transfers sometimes rename files into this format during sync. Technical Profile of an MP4 File
While the specific content of is unknown, as an MP4 (MPEG-4 Part 14) file, it likely follows these standards according to Wikipedia : g4_0186.mp4
Large-scale video datasets (like Kinetics or Moments in Time) use similar short codes to label clips.
It can house video, audio, subtitles, and still images in a single file . Devices like GoPro or DJI often use sequential
It is widely supported across smartphones, browsers, and media players, though playback issues can occasionally occur if codecs are outdated .
CCTV and dashcams often export files with alphanumeric strings representing the camera ID and sequence. It can house video, audio, subtitles, and still
Providing the source website , the device it was found on, or the folder name it belongs to would allow me to give you a much more detailed report. h.264 mp4 file doesn't play properly - Google Groups