[FFmpeg-user] How to correctly chain filters

Ulf Zibis Ulf.Zibis at gmx.de
Fri Dec 7 21:15:22 EET 2018

Hi Moritz

Am 07.12.18 um 09:20 schrieb Moritz Barsnick:
> ffmpeg does *not* support multiple "-vf" options for the same output,
> only one of them is used. (It does not warn on multiple use either,
> though.) The correct syntax for chaining filters is the comma:
> https://ffmpeg.org/ffmpeg-filters.html#Filtering-Introduction
>     "Filters in the same linear chain are separated by commas, and
>      distinct linear chains of filters are separated by semicolons."
> So your second command is the one you intended.

Thanks! Now I understand what I was observing.


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