[FFmpeg-devel] [PATCH 0/1] fftools/ffprobe: dump contents of the AV_FRAME_DATA_SEI_UNREGISTERED

[Kieran Kunhya]

On Tue, 2 Jan 2024 at 11:27, Stefano Sabatini <stefasab at gmail.com> wrote:

> On date Monday 2023-12-18 19:06:10 +0000, Kieran Kunhya wrote:
> > On Mon, 18 Dec 2023 at 14:59, Petr Matousek <
> petr.matousek at comprimato.com>
> > wrote:
> >
> > > Before this patch being applied the ffprobe just tells the user whether
> > > the H.26[45] User Data Unregistered SEI message is present in the frame
> > > side data
> > > or not. After the patch being appliend it also dumps the contents of
> the
> > > data
> > > similar way as for the other already supported frame side data types.
> > >
> > > Petr Matousek (1):
> > >   fftools/ffprobe: dump contents of the AV_FRAME_DATA_SEI_UNREGISTERED
> > >
> >
>
> > I don't think ffprobe should be dumping potentially large amounts of
> random
> > SEI data to the terminal. Some encoders use this space for their own data
> > and it's annoying to see it spam the terminal.
>
> I'm not super concerned by this, since you can filter out the required
> information. Also I don't see other viable alternatives to show this
> information (moving this to metadata would require decoding).
>

How are you able to filter between different types of unregistered SEI?
This is yet another thing that needs to be done with the API and not the
CLI (something this project is unable to understand).

Kieran