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

[Kieran Kunhya <kierank@obe.tv>]

>
> My point is that we might opt-out the verbose dump if we have a clear
> criterion for opting-in/out. For example -show_data is off by default,
> and we could mark special side-data fields with some flags to opt them
> out by default.


Again, for unregistered SEI you don't have a choice. Some encoders put tons
of private data in there. Some of the stuff is human readable, some of it
isn't.


> > Again, this is something that should either be parsed by FFmpeg or done
> via
> > the API.
>
> I still don't understand. The CLI exposes what the API does, so if the
> API can't do it, the CLI cannot do either.


The OP wants to test an implementation they have and they should do it
using the API, not using ffprobe to test their third party implementation
of something.

"Parsed by FFmpeg" sounds like you are proposing to extend the FFmpeg
> API to parse some more information (about the SEI subtype?) and make
> it available through some more specific SEI side data?
>

As the OP says, this SEI data is from "MISB ST 0604" which is something
that could be implemented in FFmpeg and parsed properly like all the other
side data instead of just writing random binary data to the terminal.

I don't understand why any of this is hard to comprehend.

Kieran
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