Re: [FFmpeg-devel] [RFC] FFmpeg Execution Graph Visualization

[Nicolas George <george@nsup.org>]

Stefano Sabatini (HE12025-03-26):
> One of the possible uses is to expose the data printed by
> filters. E.g. detection filters are printing the information either in
> the stderr using custom formats, this should really be converted to
> something easier to consume (whatever formats for which you don't
> need a custom parser).
> 
> The metadata muxer also might benefit from using a text writer, to
> avoid again the need for a custom parser, and probably there are more
> use cases easy to spot.

For the record, I have had detailed plans for all this for years. But
since it is very related to strings, it requires AVWriter, and it
requires the abstraction and type description layer that I want to
introduce that starts with AVWriter. Therefore, it cannot go forward
unless FFmpeg has once more proper leadership able to greenlight it.

> So at some point we want to make this API accessbile from the
> libraries, that is to move them into libavutil. Again, it's fine to
> expose this at the tools level first so we can experiment and refine
> the interface before moving to a stable one.

I wild recommend using the fftools as a staging area.

Regards,

-- 
  Nicolas George
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