[FFmpeg-user] aspect ratio is changed with codec copy and sameq

Carl Eugen Hoyos cehoyos at ag.or.at
Tue Mar 20 18:50:18 CET 2012

vrparekh <at> gmail.com <vrparekh <at> gmail.com> writes:

> one weird thing is when i see details in another video tool, it shows me
> sar=4:3
> dar=4:3
> of original video
> but when i use command ffpeg -i sourcefile, it shows me
> sar=300:400
> dar=1:1

If the input file is decoded incorrectly, please provide a sample.

> below is command line output of codec copy
> ffmpeg.exe -ss 5 -t 150 -i "d:\source.mp4" -acodec
>  copy -vcodec copy "d:\output.mp4"

What does ffmpeg -i output.mp4 show?

Carl Eugen

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