[FFmpeg-user] using -vtag on input files

Carl Eugen Hoyos cehoyos at ag.or.at
Thu Apr 2 17:45:24 CEST 2015

tim nicholson <nichot20-at-yahoo.com <at> ffmpeg.org> writes:

> > "ffmpeg.exe -f rawvideo -vcodec rawvideo -s 704x576 
> > -r 25 -pix_fmt yuv420p -vtag YV12 -i raw.yuv -f avi 
> > -qscale 0 out.avi"
> Ahh, so you are using the pix_fmt to specify the input...
> What happened on the older version if you left the 
> -vtag off? I think its always only been an output 
> only option

It was definitely an input- and output-option.
It is currently not possible to (easily) read 
such streams.

One possible work-around is of course to remux 
to nut with (output) option vtag.

Carl Eugen

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