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How to correct Dolby Vision HDR video on Windows 10 (it is correct after sharing on Facebook)

I have a video that is recorded from an iPhone in Dolby Vision HDR. When playing it using the Windows Films & TV app, the colours look washed out (I assume it is because Windows does not have native Dolby Vision support?)
When I upload the same video to Facebook, the colours look correct.

  1. I assume this is because Facebook must have some kind of tone mapping as part of the video processing pipeline?
  2. How do I get the corrected colours in Windows 10? The colours obviously exist (as I can see them on the facebook version of the video).

Left is screenshot from Films & TV, right is same frame from video after it has been uploaded to Facebook.
Left is screenshot from Films & TV, right is screenshot from facebook