: Indicates that the video includes English subtitles , which are typically fan-translated or added for international audiences.

ffmpeg -i input.mkv -b:v 3M -pass 1 -f mp4 /dev/null ffmpeg -i input.mkv -b:v 3M -pass 2 output.mp4

Search queries for this exact string often lead to Google Drive links or third-party subtitle databases. The "02-04-57" timestamp is a common marker used by file-sharing communities to distinguish high-definition, full-length versions from shorter previews or censored edits. GVH-350 - English Subtitles - Subtitle Nexus

Warning: This re-encodes video, losing quality and taking more time.