The series is a three-part adaptation of the theatrical film of the same name , following the lives of "innocent mass murderers"—railroad engineers who, according to statistics, unintentionally kill 15–20 people during their careers.

The specific string you provided appears to be a release tag for a high-definition (1080p) digital copy.

: The video was captured/recorded from a streaming service (like Netflix or a local platform). 1080p : Full HD resolution (1920 x 1080 pixels).

: The audio format (Advanced Audio Coding), known for high quality at low bitrates. S01 : Season 1.

This file name refers to the 2016 Serbian television mini-series (Train Driver's Diary).

: The video compression standard (H.264) used to encode the file.