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

Petr Matoušek petr.matousek at comprimato.com
Tue Dec 19 09:39:10 EET 2023


Dne 19/12/2023 v 00:01 Stefano Sabatini napsal(a):
> On date Monday 2023-12-18 14:58:58 +0000, Petr Matousek 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
> 
> appliend typo
> 
>> similar way as for the other already supported frame side data types.
> 
> What's the use case for this?
> 
> I wonder if we should employ some more generic mechanism, e.g. a
> filter moving side data to metadata for display.

We needed to verify that our implementation of the MISB ST 0604 produces 
correct contents of the SEI data. Using ffprobe for that was very useful 
as we were able to pair the SEI data with other frame data like the PTS etc.


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