Split http/s subtitles checker from the view controller
VLCOpenNetworkStreamViewController includes a nifty feature to search for subtitles files on the web-server through a brute-force approach when playing http/s streams. It does not belong in a VC, should be moved to a class of its own and made available to tvOS, too.
To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information