[MPlayer-users] Transcoding from one aspect ratio to another

[Rolf Ernst]

Hi
>> I tried  -vf-add dscale=1280:800:0,scale=0:0,expand=::::::16
>>
>>
>> $ mencoder myvid.avi -mf fps=30 -o myvid.mp4 -ovc lavc -lavcopts 
>> vcodec=mpeg4 -vf-add dscale=1280:800:0,scale=0:0,expand=::::::16
>> MEncoder SVN-r31628-4.4.4 (C) 2000-2010 MPlayer Team
>> Option vf-add: dscale doesn't exist.
>>
>> Exiting... (error parsing command line)
>>
> I retried like this:
>
> mencoder inception.avi -mf fps=30 -oac lavc -ovc lavc -lavcopts 
> abitrate=128 -vf-add scale=1280:800:0,scale=0:0,expand=::::::16 -o 
> inception.mp4
>
> This did not work. It yielded  a 4:3 aspect ratio video.
Are you playing back with mplayer or something odd? If so, just specify 
mencoder inception.avi -vf scale=1280:800 ...

Forget all the other stuff. It will indeed give you 4:3. I think the 
author assumed that this is what you wanted. 4:3 with borders.

-- 
/re

"My friends, watch out for the little fellow with an idea"

Tommy Douglass