[FFmpeg-user] Combine vf and filter_complex for the same video?

[Paul B Mahol]

On 9/18/15, Gilles <codecomplete at free.fr> wrote:
> Hello
>
> Besides cropping part of the screen, I also need to resize the whole
> screen, but vf and filter_complex are mutually exclusive:
>
> ===============
> ffmpeg -i input.mp4 -c:v libx264 -vf scale=640:-1 -pix_fmt yuv420p
> -filter_complex "magic here" -c:a copy -f mp4 output.mp4
> ===============
> Filtergraph 'scale=640:-1' was specified through the -vf/-af/-filter
> option for output stream 0:0, which is fed from a complex filtergraph.
>
> -vf/-af/-filter and -filter_complex cannot be used together for the
> same stream.
> ===============
>
> To avoid two encodings in a row, is it possible to use filter_commplex
> to also resize a video?

Yes, just put scale filter where you want in filtergraph.

>
> Thank you.
>
> _______________________________________________
> ffmpeg-user mailing list
> ffmpeg-user at ffmpeg.org
> http://ffmpeg.org/mailman/listinfo/ffmpeg-user
>