Rotate a 3gp video file 90 degrees using ubuntu and free tools

Question

I want to use ubuntu and preferably standard packages such as ffmpeg to rotate a 3gp video by 90 degrees in any direction. Preferably a command line or python script.

Answer 1

by using VLC, you may rotate the video by going to Tools >> Preferences...

And select "All" for show settings. Then go to: Video >> Filters >> Rotate

After setting the degree you want, you can rotate by going to Tools > Effects and Filters > Video Effects > Geometry .. .

the one I've tested is mp4 but I believe that VLC can support 3gp too. hope this helps. :)

Answer 2

Avidemux should be able to do this.

Do Video->Filters->Rotate(x degrees)->Close then File->Save->Save Video

Answer 3

From the command-line, with ffmpeg:

ffmpeg -i input.3gp -filter:v 'transpose=1' \
-c:a copy -c:v libx264 -preset veryfast -crf 22 output.3gp

'transpose=1' will rotate the video 90 degrees clockwise; to rotate anti-clockwise, use 'transpose=2'. See the documentation for a bit more information. For information on the video encoding settings here, see this x264 guide.