[FFmpeg-user] SAR changes when stream copying y4m video to Matroska when SAR is present in source

[Carl Eugen Hoyos]

Kieran O Leary <kieran.o.leary <at> gmail.com> writes:

> > I originally wanted to suggest replicating with FFmpeg alone
> > (without an external source file) but feel free to use the
> > mentioned file.
> >
> 
> Do you mean that I should use -f lavfi to generate a sample? If 
> so , I can try to do this.

I first thought so, now I am less sure...

Carl Eugen