[FFmpeg-user] ff* command lines that work

[Carl Eugen Hoyos]

Am Di., 10. März 2020 um 01:09 Uhr schrieb Mark Filipak
<markfilipak.windows+ffmpeg at gmail.com>:

> ffmpeg [A ...] [B ...] -i C [[D ...] -i E ...] [F ...] [G] [H ...] [[I
> ...] J [[K ...] L ...]]
>   A ... : general options, if any
>   B ... : first input options, if any
>   -i C  : first input-URL
>   D ... : second input options, if any
>   -i E  : second input-URL, if any, etc.
>   F ... : more general options, if any
>     G   : filter chains, if any
>   H ... : more general options, if any
>   I ... : first output-specific filters, if any
>     J   ; first output-URL, if any
>   K ... ; second output options, if any
>     L   : second output-URL, if any, etc.

A and F are the same and their position does not matter.
(And they should be rare, things like "-y" and "-loglevel")

More important is that every output file can have its own
filterchain: either (-vf and/or -af) or -filter_complex.

Carl Eugen