[FFmpeg-user] stereo images conversion changes aspect ratio

[Baptiste Coudurier]

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.

-- 
Baptiste COUDURIER
Key fingerprint                 8D77134D20CC9220201FC5DB0AC9325C5C1ABAAA
FFmpeg maintainer                                  http://www.ffmpeg.org