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Rotate video with ffmpeg

2013-05-28 1 comment

I often record family videos using my mobile phone and quite often the movie needs to be rotated 90 degrees. With a good build of ffmpeg it is a breeze:

ffmpeg -i input.mp4 -vf "transpose=1" -acodec libmp3lame -async 1 -vcodec libx264 -preset veryslow -tune film -crf 30 output.avi

This not only rotates the movie, it also recodes it in X.264 in a way that our TV can handle. Personally I can see no degradation in quality and the new file is much smaller.

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Categories: Video