Video Rotation Metadata description

- easy
- very fast
- 90 °, 180 °, 270 ° rotation
- no encode
- only metadata change

This program was developed using the open source FFmpeg library.
Thanks to WritingMinds and FFmpeg team.
http://writingminds.github.io/ffmpeg-android-java/
https://ffmpeg.org/

source codes : https://github.com/dogusumit/VideoRotationMetadata