[MPlayer-users] Rotating a video by 180 degree ...
Carl Eugen Hoyos
cehoyos at ag.or.at
Sun Apr 15 13:57:40 CEST 2012
<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.
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