[rotf Lol 0001cp]ddudu Mp4 Info

This is a standard sequential counter and identifier used by digital cameras, screen recorders, or video editing software during export.

This could be a phonetic spelling of a sound, a person's nickname, or a reference to the mega-hit K-pop song "Ddu-Du Ddu-Du" by BLACKPINK. [rotf Lol 0001cp]ddudu mp4

A fan-made edit or funny reaction video set to BLACKPINK's "Ddu-Du Ddu-Du". This is a standard sequential counter and identifier

Likely a typo or variation of the internet slang ROFL (Rolling On The Floor Laughing). a person's nickname