: Since .mkv files can hold multiple subtitle tracks and audio languages, the server can offer a menu to the user before they click "Play," allowing them to "hard-code" a specific subtitle track into the stream if their player doesn't support external files.
curl -fSL "http://myserver.com/file.mkv" -o file.mkv http- myserver.com file.mkv
Based on the string "http- myserver.com file.mkv" , here’s what a relevant article might cover: : Since