Some older GoPro or off-brand action camera models export files using similar "GX" or "G" prefixing. Identifying the Content
If found on a forum like Reddit or X (formerly Twitter), the filename often refers to a "leaked" clip or a specific piece of dashcam footage being discussed in a niche community. g4_01226.mp4
In academic and AI research, "g4" often denotes a "Group" or "Generation" within a larger dataset used for training machine learning models. Some older GoPro or off-brand action camera models