[FFmpeg-user] write output of find_rect to a file?

Moritz Barsnick barsnick at gmx.net
Mon Jun 29 23:28:44 EEST 2020

On Mon, Jun 29, 2020 at 17:35:50 +0200, Michael Koch wrote:
> Very good, that's exactly what I need. I did already make some tests
> with -show_entries before I posted this question. But I didn't know the
> names of the variables "lavfi.rect.x" and "lavfi.rect.y". Are these
> variables documented somewhere?

Good point. It's not in the documentation, I got this from the source.
Apparently, the filter was designed mainly for use with another filter.

> Is there also a variable for the quality of the find_rect result, I
> mean the number that's compared against the detection threshold?

No, that value is not exposed.

(You could try modifying the source yourself, or, if you make a very
good point about it, make a feature request.)


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