The source of the video, meaning it was downloaded directly from a streaming service (like Netflix, Amazon Prime, or Hotstar) rather than ripped from a physical disc.
The release group or site that uploaded/encoded this specific version.
The video compression standard (H.264/MPEG-4 AVC) used to encode the file.
Based on the naming convention, here is what each part of the draft report string represents:
Indicates that English Subtitles are hardcoded or muxed into the file.