[MEncoder-users] Enforce aspectratio

[Andy Civil]

James Hastings-Trew wrote:
> Al Bogner wrote:

>> If I play the avi file with mplayer the ascpect-ration is not recognized 
>> correctly.

> Do AVI files keep aspect ratio information? If you were using mp4 you 
> could add dsize=852:480 to your video filters, this would set the SAR. 
> Dunno if that would work with AVI.

I think James suspected this:
"AVI files do not contain pixel aspect ratio information."
(from http://en.wikipedia.org/wiki/Audio_Video_Interleave#Continued_use )

I would infer from that, that the aspect ratio of an AVI file is assumed to be 
the same as the ratio of width and height in pixels.

-- 
Andy