[FFmpeg-user] stereo images conversion changes aspect ratio

[Tom Sparks]

--- On Sun, 5/6/11, Baptiste Coudurier <baptiste.coudurier at gmail.com> wrote:

> From: Baptiste Coudurier <baptiste.coudurier at gmail.com>
> Subject: Re: [FFmpeg-user] stereo images conversion changes aspect ratio
> To: "FFmpeg user questions and RTFMs" <ffmpeg-user at ffmpeg.org>
> Received: Sunday, 5 June, 2011, 6:35 AM
> On 6/4/11 4:49 AM, Tom Sparks wrote:
> > --- On Sat, 4/6/11, Baptiste Coudurier<baptiste.coudurier at gmail.com> 
> wrote:
> >
> >> From: Baptiste Coudurier<baptiste.coudurier at gmail.com>
> >> Subject: Re: [FFmpeg-user] stereo images
> conversion changes aspect ratio
> >> To: "FFmpeg user questions and RTFMs"<ffmpeg-user at ffmpeg.org>
> >> Received: Saturday, 4 June, 2011, 12:38 PM
> >> Hi,
> >>
> >> On 06/02/2011 09:20 PM, Tom Sparks wrote:
> >>> I am converting a stereo images that
> top/bottom to
> >> left/right
> >>>
> >>> I am using this command
> >>> ./ffmpeg -i "elphelimg_2421643.jpg" -qscale 1
> -vf
> >> 'mp=down3dright' "output.jpg"
> >>>
> >>> here is the source imge
> >>> http://www.lightningridgecommunity.com/panorama/elphelimg_2421643.jpeg
> >>>
> >>> here is the result image
> >>> 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?
> >>
> >> Try settings "mp=down3dright=2:2"
> >>
> >> For some reason I don't know, it keeps the same
> width by
> >> default.
> >>
> > that did not work :(
> >
> > Error initializing filter 'mp' with args
> 'down3dright=2:2'
> >
> > I am starting to think my version need to be updated
> (ffmpeg built on Mar 19 2011 08:54:17) :(
> >
> 
> Yes, you need to update.
> 
update to Jun  5 2011 03:07:12 thanks to http://firefogg.org/nightly/
it works with 'down3dright=2:2' :)
tom