The specific file name refers to a high-definition rip of Sean Baker's 2021 film, Red Rocket , sourced directly from Amazon (AMZN). Technical Context
For this specific release, subtitles are generally embedded (Softcoded) within the .mkv or .mp4 container rather than being provided as a separate .srt file.
If your specific copy is missing the internal tracks, you can find matched external files on dedicated databases:
: The DDP5.1 tag indicates Dolby Digital Plus 5.1 surround sound, which is standard for modern streaming releases.