[FFmpeg-devel] [PATCH] avfilter: add nonlinearstretch filter.
Mathias Rasmussen
mathiasvr at gmail.com
Mon Jun 22 17:45:59 EEST 2020
On 22 Jun 2020, at 15.57, Paul B Mahol <onemda at gmail.com> wrote:
>
> I really doubt that this filter have anything to do with GoPro's SuperView.
> GoPro's SuperView, unlike this filter, extends FOV of currently
> recording video with real data.
Please see https://community.gopro.com/t5/en/What-is-SuperView/ta-p/390201 <https://community.gopro.com/t5/en/What-is-SuperView/ta-p/390201>,
I fail to see how this is not nearly identical to what this filter does, so please enlighten me if i’m wrong.
I don’t know what you mean by “real data” but i’m very interested if you have information of GoPro using other data than the 4:3 sensor image.
Also, are you saying this filter cannot be used on “currently recording video”? It's not really the intention, but I don’t see why not?
> Also this filter is very limited in functionality. I already have
> another generic warp filter
> that can do this and much more.
That’s great, do you have an example of how to use it for achieving this type of stretching?
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