[FFmpeg-user] redirect to 2 fifo files

[Zoltan Kerenyi Nagy]

I tried your version without -y. I will try it later today thanks though.

On 2019. Jan 29., Tue at 10:06, Moritz Barsnick <barsnick at gmx.net> wrote:

> On Tue, Jan 29, 2019 at 07:18:21 +0100, Zoltan Kerenyi Nagy wrote:
> >  $ ... -f wav pipe:3 -f wav pipe:4 3>fifo1 4>fifo2
> >
> > That's impossible since:
> > pipe:1 stdout
> > pipe:2: sterr
> > pipe:0 stdin
>
> That's not impossible. File descriptors 0, 1, 2 are predefined by the
> operating system. A process can use further file descriptors, and in
> this case I defined them as 3 and 4, and bash can handle their
> redirection.
>
> > I got it working this way:
> > https://pastebin.com/neYPWejt
>
> I don't see two outputs being used.
>
> Did you try my hint with "-f wav fifo1" and the addition of "-y"? It
> works fine for me.
>
> > The only thing have left is the video representation of the audio, which
> is
> > a bonus to my sleep recorder experimental application
>
> Cheers,
> Moritz
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