Add automatic flip method that rotates video based on video tags. #62
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Add an
automatic
flip option that rotates video based on rotation tags in the video (that are very common in videos recorded by mobile phones). If there are no such tags, no flip is applied.I made the
automatic
mode default, as it is the most natural behavior for videos with rotation tags, and behaves just likenone
(the previous default) for videos with no rotation tags. This choice is, however, debatable as it changes the default behavior for videos with rotation tags (into a more natural behavior).