How to extract orientation information from videos?

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Since most Cameras store their rotation/orientation within the exif-metadata, i would suggest using exifttool and the a ruby wrapper gem called mini_exiftool which is actively maintained.

Install exiftool:

apt-get exiftool || brew install exiftool || port install exiftool

or use what ever package manager is available

Install mini_exiftool:

gem install mini_exiftool

Try it:

irb>
require 'mini_exiftool'
movie = MiniExiftool.new('test_movie.mov')
movie.orientation #=> 90

cheers

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