The "-CM-" was the signature. CenturyMan. Elias hadn’t thought about that screen name in a decade.
x265 is a compression codec designed to look at a 40GB BluRay source and say, “I can turn this into 8GB, and you won’t notice the difference.” It uses complex algorithms to analyze motion vectors. It decides what your eye is looking at (Tom Cruise running) and what your eye is ignoring (the background sky). It discards the redundant. -CM- War of the Worlds -2005- 1080p BluRay x265...
He double-clicked the file.