ffmpeg -i 2022-04-02 darktabletraining.flv -channel_layout 5.1 -c:v libx264
-vf yadif -crf 28 -force_key_frames "expr:gte(t,n_forced*4)"   -c:a aac
-b:a 192k -preset fast -strict experimental -loglevel warning -stats
 2022-04-02 darktabletraining.mp4

On Fri, Apr 8, 2022 at 10:26 AM Michael via PLUG-discuss <
plug-discuss@lists.phxlinux.org> wrote:

> I get a couple of errors:
>
> michael@michael-desktop:~/Desktop/darktable training$ ffmpeg -i
> 2022-04-02\ darktabletraining.flv -channel_layout 5.1 -c:v libx264 -vf
> yadif -crf 28 -force_key_frames "expr:gte(t,n_forced*4)" -x264-params
> log-level=none  -c:a aac -b:a 192k -preset -preset fast -strict
> experimental -loglevel warning -stats  outfile.mp4
> [NULL @ 0x559f08654080] Unable to find a suitable output format for 'fast'
> fast: Invalid argument
>
> I noticed that there were two 'preset's so I removed the one with the fast
> argument and I got the second error:
>
> michael@michael-desktop:~/Desktop/darktable training$ ffmpeg -i
> 2022-04-02\ darktabletraining.flv -channel_layout 5.1 -c:v libx264 -vf
> yadif -crf 28 -force_key_frames "expr:gte(t,n_forced*4)" -x264-params
> log-level=none  -c:a aac -b:a 192k -preset -strict experimental -loglevel
> warning -stats  2022-04-02\ darktabletraining.ogg
> [NULL @ 0x56408b444040] Unable to find a suitable output format for
> 'experimental'
> experimental: Invalid argument
>
> And then decided that since I don't know what I'm doing I better ask
> before I blindly remove another command.
> --
> :-)~MIKE~(-:
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