[FFmpeg-user] Can the video orientation be adjusted for part of an Mp4 ?

[Peter]

On Thursday, 26 January 2017 9:13:42 AM AEDT Carl Eugen Hoyos wrote:
> 2017-01-25 23:51 GMT+01:00 Peter <peter777 at users.sourceforge.net>:
> > We have a video that was taken from a mobile phone. The first part of the
> > video is not orientated properly, and needs to be moved anti-clockwise 90
> > degress.
> (That surprises me but may be related to the last comment below.)

The mobile phone operator, at approx. 4:30 , turned the phone 90 degress, so 
the remaining portion of the video is fine.

> > At approximately 4:30 , the video orientation is corrected.
> > 
> > Is there a method with ffmpeg to adjust the video orientation for the
> > first
> > 4:40 minutes ?
> 
> I suspect mov doesn't support this.
> (If it would, your phone would have used the feature I guess.)
> 
> > ffmpeg version 2.8.10-0ubuntu0.16.04.1
> 
> For future questions: Please remember that on this mailing list,
> only current FFmpeg git head is supported.

Please advise what version that is. Obviously there are people in this mailing 
list who may have an answer, relevant to other versions.

Peter