[Bug 700977] opencv: add colour image enhancement element based on Retinex algorithm

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=700977
  GStreamer | gst-plugins-bad | 1.x

--- Comment #11 from Sebastian Dröge <slomo at circular-chaos.org> 2013-05-26 19:11:06 UTC ---
(In reply to comment #6)
> (In reply to comment #5)

> > I don't know, I assume GstOpenCvVideoFilter already handles some OpenCv related
> > things for you and thus makes your life easier and the code shorter :) Does it?
> 
> Mmm perhaps but I'm not fully familiar with that "class", f.i. in line 210,
> transform_ip, the input buffer is mapped and the return of the function is not
> checked. That said, in my previous patch for skin detection I used it :) In
> other words, you're more experienced than me with Gstreamer so I'll take your
> recommendation.

I might know more about GStreamer, but definitely not about OpenCV and the
OpenCV plugin... especially not about the base class :) What do you think from
looking at it, would it do some things for you that you currently have to do
yourself? Like mapping the GstBuffer to an OpenCV image, or in set_caps do the
mapping of caps to OpenCV things?

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