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

["softworkz ." <softworkz-at-hotmail.com@ffmpeg.org>]

> -----Original Message-----
> From: ffmpeg-devel <ffmpeg-devel-bounces@ffmpeg.org> On Behalf Of
> softworkz .
> Sent: Donnerstag, 27. März 2025 00:26
> To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
> Subject: Re: [FFmpeg-devel] [RFC] FFmpeg Execution Graph Visualization
> 
> 
> 
> > -----Original Message-----
> > From: ffmpeg-devel <ffmpeg-devel-bounces@ffmpeg.org> On Behalf Of
> > Stefano Sabatini
> > Sent: Mittwoch, 26. März 2025 23:53
> > To: FFmpeg development discussions and patches <ffmpeg-
> devel@ffmpeg.org>
> > Subject: Re: [FFmpeg-devel] [RFC] FFmpeg Execution Graph Visualization
> >

[..]

> > 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.
> >
> > 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.
> > _______________________________________________
> 
> Yes, I see quite a number use cases as well.
> It's still a work in progress, but I've set up a GitHub repo for
> documentation and as a place of interaction. It's not for ffmpeg code,
> but there are tests, examples and a documentation Wiki:
> 
> https://github.com/softworkz/ffmpeg_output_apis/wiki
> 
> (a number of things are still incomplete)
> 
> 
> I'm also exploring a way for self-printing the data schema for each use
> case. On the repo Wiki there are Entity-Relationship diagrams for the
> FFprobe and the Graphs schema. I'll follow up with more details..

Hi Stefano,

I've got everything in shape now in this repo I've also completed done the write-up on my experiment regarding schema self-printing: https://github.com/softworkz/ffmpeg_output_apis/wiki/Schema-Self-Printing

I'd be curious what you think about it (of course others as well).

Best,
sw




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