[MPlayer-users] stereo images conversion changes aspect ratio

[Tom Sparks]

--- On Fri, 3/6/11, Ron Johnson <ron.l.johnson at cox.net> wrote:

> From: Ron Johnson <ron.l.johnson at cox.net>
> Subject: Re: [MPlayer-users] stereo images conversion changes aspect ratio
> To: mplayer-users at mplayerhq.hu
> Received: Friday, 3 June, 2011, 9:48 PM
> On 06/03/2011 06:14 AM, Tom Sparks
> wrote:
> > I am converting a stereo images that
> > top/bottom to left/right
> >
> > I am using this command
> > mencoder mf://*.jpg -mf w=800:h=800:fps=0.1:type=jpg
> -ffourcc FLV1 -ovc lavc -lavcopts vcodec=flv -vf down3dright
> -o output.flv
> >
> >   here is the source image
> >   http://www.lightningridgecommunity.com/panorama/elphelimg_2421643.jpeg
> >
> >   here is the result image (converted
> from flv file)
> >   http://www.lightningridgecommunity.com/panorama/output.jpg
> >
> >   As you can see the circle have
> changed into ovals, is there
> >   any way to stop this from happening?
> >
> 
> Why are you setting width and height instead of letting
> mencoder autodetect?
no difference 

> 
> (Anyway, "Mencoder is dead - use FFMPEG.")

same result with ffmpeg :(

./ffmpeg -i "elphelimg_2421643.jpg" -qscale 1 -vf 'mp=down3dright' "output.jpg"


--
tom