[gstreamer-bugs] [Bug 625722] new plugin: cheeseeffects
GStreamer (bugzilla.gnome.org)
bugzilla at gnome.org
Sun Aug 1 11:31:29 PDT 2010
https://bugzilla.gnome.org/show_bug.cgi?id=625722
GStreamer | gst-plugins-bad | unspecified
--- Comment #16 from Filippo Argiolas <fargiolas at gnome.org> 2010-08-01 18:31:28 UTC ---
> How do you build the lookup table btw? It would be *really* large in the
> general case.
>
Each lookup table is an array of 256 pixels, 768 bytes. I build them with the
gimp. See below.
> I don't know, maybe the base class could handle the lookup table and apply it
> to different color formats. And the subclasses only provide the different
> lookup tables for the different effects then.
>
> But if all these effects could be implemented with videobalance a bin around
> videobalance would definitely be preffered.
Nope the same result is not achievable with videobalance. It's not a
hue/contrast/brightness change, each color is mapped to a new one with no
simple relation with the previous.
If you give me a couple of hours (maximum tomorrow morning) I'll post a simple
patch with a single plugin + several presets so that it's clear what we're
talking about, then we'll see if a baseclass it's really worth.
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