Re: [Motion-user] Using ffmpeg via extpipe

[tosiara <to...@gm...>]

There is an example command in motion-dist.conf, check it

On Jan 22, 2018 1:23 PM, "Sébastien Delafond" <se...@de...> wrote:

> Hello,
>
> my main goal is to produce webm videos with motion; to that end, I
> played a bit with extpipe, but no matter what set of switches I passed
> ffmepg, it always resulted in:
>
>   "pipe:: Invalid data found when processing input"
>
> Not sure exactly where the problem occured, I figured I'd take my
> testing away from motion by doing the following:
>
>   1. grab a raw capture from motion, via "extpipe cat > /tmp/foo.raw"
>   2. perform more tests with ffmepg on that foo.raw file
>
> Step #1 went fine, leaving me with a somewhat large foo.raw: file(1)
> says "data", which doesn't surprise me, but both ffplay and ffprobe
> (with a without "-f rawvideo") fail to recognize or play it.
> ffmpeg can't do anything with it either (even a simple encoding to mp4
> fails).
> All the ff* tools fail with the same messages:
>
>   - "invalid data when processing input", if I feed them foo.raw on
>     stdin
>
>   - "Picture size 0x0 is invalid" if I pass foo.raw as a regular
>     command-line argument
>
> At this point, I'm not sure what to try next. Is there some extra switch
> I need to pass ffmpeg so it can recognize the raw stream produced by
> motion ?
>
> Cheers,
>
> --Seb
>
>
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