[FFmpeg-user] aspect ratio changes in the middle of the stream

Carl Eugen Hoyos cehoyos at ag.or.at
Fri Sep 6 17:15:03 CEST 2013

Tim Nicholson <nichot20 <at> yahoo.com> writes:

> No, I was being slightly simplistic/vague in my 
> description sorry to confuse. I think that padding to 
> 16:9 on a frame by frame basis is what is wanted

and I believe this is the current default with ffmpeg, 
so so far, I don't know what the problem is.

> the principle is what I was after, i.e, get one filter
> (aspect, padding) to dynamically alter its parameters, 
> frame by frame based upon frame rate metadata 
> extracted from each frame.

This is of course a very interesting new feature.
(I wonder if filter plus metadata would really be enough.)

Carl Eugen

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