[FFmpeg-devel] [PATCH] ffmpeg: Carry streamid as metadata key 'id'

[James Almer]

On Tue, Apr 16, 2024 at 9:38 AM Anton Khirnov <anton at khirnov.net> wrote:

> Quoting Tomas Härdin (2024-04-12 11:40:47)
> > This idea could be extended to other fields not presently considered to
> > be metadata, that would be handy to treat as such.
> >
> > I use the key "id" because ffprobe outputs id= for streamid. Another
> > option could be to collect these types of metadata that go into
> > AVStream fields under a namespace like FFMPEG: or AVSTREAM: or
> > something, then delete all of them using AV_DICT_IGNORE_SUFFIX near the
> > end of of_open() since they're for internal ffmpeg use.
> >
> > The FATE change is just because av_dict() changes the order of things
> > when elements are deleted.
> >
> > /Tomas
> >
> > From 7799f1b2eb8ab02e58118565f3e889fbe0d568a7 Mon Sep 17 00:00:00 2001
> > From: =?UTF-8?q?Tomas=20H=C3=A4rdin?= <git at haerdin.se>
> > Date: Fri, 12 Apr 2024 10:34:12 +0200
> > Subject: [PATCH] ffmpeg: Carry streamid as metadata key 'id'
> >
> > This allows using -map_metadata and -metadata to copy/set streamids
> (PIDs).
>
> I dislike this patch, metadata is the wrong place for such information.
>

Can it be propagated within the InputStream?


>
> --
> Anton Khirnov
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