When people discuss mysterious or specific MP4 files, they often look for context regarding the device that filmed them:
: Digital cameras often use "G" prefixes (like the Panasonic Lumix series) followed by a four-digit number for video files. g9413.mp4
“Could the Panasonic Lumix G95 be the perfect vlogging camera? The specs seem to tick all the boxes.” YouTube · Richard Wong · 7 years ago When people discuss mysterious or specific MP4 files,