Based on what is in the files themselves, and what the API provides
to users.

URLs:
  * https://developer.apple.com/documentation/videotoolbox/kvtcompressionpropertykey_heroeye
  * https://developer.apple.com/documentation/videotoolbox/kvtcompressionpropertykey_stereocamerabaseline
  * https://developer.apple.com/documentation/videotoolbox/kvtcompressionpropertykey_horizontaldisparityadjustment
  * https://developer.apple.com/documentation/coremedia/kcmformatdescriptionextension_horizontalfieldofviewSigned-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>