Partial content in .NET Core MVC (for video/audio streaming)

Question

I am trying to implement video and audio streaming on my website (to enable seeking in Chrome) and I recently found out that .NET Core 2.0 apparently provides a relatively s

Answer 1

My answer is based on Yuli Bonner, but with the adaptations so that it answers the question directly, and with Core 2.2

 public IActionResult GetFileDirect(string f)
{
   var path = Path.Combine(Defaults.StorageLocation, f);
   var res = File(System.IO.File.OpenRead(path), "video/mp4");
   res.EnableRangeProcessing = true;
   return res;
} 

This allowed for seeking in the browser.