[MPlayer-users] Rotating a video by 180 degree ...

[Carl Eugen Hoyos]

 <meino.cramer <at> gmx.de> writes:

> I have a H.264 coded video (1280*720) and want to rotate upside down
> (180 degree) "physically" (= not as an display option).
> 
> How can I do this with minimum impact on video quality - best would
> be without reencoding at all...

It may be nearly trivial to add rotation to FFmpeg's mov muxer, 
so you would specify "ffmpeg -i input -vcodec copy -rotate 180 out.mov", 
but the resulting file will only play rotated in QuickTime, not in 
MPlayer / FFmpeg because they do not read that video property currently.

Carl Eugen