[FFmpeg-devel] [PATCH] Added pipe output to metadata filter

[Sami Hult]

On 22 Jun 2016 16:57, "Paul B Mahol" <onemda at gmail.com> wrote:
>
> On 6/22/16, sami.hult at gmail.com <sami.hult at gmail.com> wrote:
> > From: Sami Hult <sami.hult at gmail.com>
> >
> > I added option mode=pipe which accepts file=(file descriptor) option.
This
> > way multiple streams can for example be silencedetected and the result
> > directed to different outputs.
> >
> > Example:
> >
> > ffmpeg -i test.wav -filter_complex
> > "silencedetect=n=-40dB:d=0.1,ametadata=mode=pipe:file=4" -f null - 4>
> > test.txt
> >
> > Also at the same time I converted mode=file output to avio.
>
> Can't file option be extended to support pipe: and other stuff?

Sure. I made this ad hoc for own needs, and tried to keep it minimal, but
could easily rework. So ignore this patch, if there aren't any opposing
opinions.