[FFmpeg-user] Selecting MPEG TS child streams for filter_complex

[Moritz Barsnick]

On Mon, Mar 16, 2020 at 17:32:42 +0530, Gyan Doshi wrote:
> > With loglevel verbose, I get:
> >> Reading option '-f' ... matched as option 'f' (force format) with argument '-i'.
> > I wonder why ffmpeg doesn't trip over this first. Whatever.
> -f is paired with -i and file.ts is interpreted as output URL so
> -filter_complex gets correctly paired with its arg.

Well understood. However I was wondering about the order of evaluation,
and somehow expecting

> [NULL @ 0xbdaf800] Requested output format '-i' is not a suitable output format

but ffmpeg certainly has its reasons for this order.

Cheers,
Moritz