[FFmpeg-devel] [PATCH V3 3/3] libavfilter: add filter dnn_detect for object detection

[Paul B Mahol]

On Mon, Mar 1, 2021 at 3:51 PM Nicolas George <george at nsup.org> wrote:

> Guo, Yejun (12021-03-01):
> > Hi, glad to hear there's a good solution, could you share a bit of
> > code as an example, it would be nice if I could refine my code better
> > when possible, thanks.
>
> The best choice is to go with BoundingBox boxes[], as Andreas pointed,
> and see if people who use compilers where it does not work manifest.
> Probably they will not, and if they do we can decide if we want to
> continue supporting these obsolete compilers.
>
> The second best choice is to go with BoundingBox boxes[1], if it is not
> proven that the compiler can make assumptions that will break the code.
>
> The third choice would be something like:
>
> #define BOX(p, i) (((BoundingBox *)&(p)->boxes)[i])
>
or similar. But best try to make the best choice work


Why not use frame metadata for this? Instead of clumsy structures?


> .
>
> Regards,
>
> --
>   Nicolas George
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