[FFmpeg-user] adjust DAR while using -c:v copy

Carl Eugen Hoyos cehoyos at ag.or.at
Tue Dec 18 00:46:02 CET 2012

Dave Rice <dave <at> dericed.com> writes:

> I'd have a QuickTime file that is 720x480 with a 3/2 DAR 
> and 1/1 SAR. I would like to convert this to a 4/3 DAR
> QuickTime without transcoding. I've tried using -aspect 
> 4/3 before and after the input and also tried using 
> -vf setdar options but all of these seem to be ignored 
> when I am using the -c:v copy command.

To the best of my knowledge, this is intended behaviour, 
video filters do not work with -vcodec copy.

(I am not claiming what you ask for could not be useful, 
I am just trying to confirm the situation.)

Carl Eugen

More information about the ffmpeg-user mailing list