[GEM-dev] [ pd-gem-Bugs-3570525 ] pix_resize donesn't work with yuv colourspace

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Sun Jan 20 19:05:49 CET 2013


Bugs item #3570525, was opened at 2012-09-21 07:56
Message generated for change (Comment added) made by zmoelnig
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Category: Pixes (pix_ objects)
Group: any operating system
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Nobody/Anonymous (nobody)
Assigned to: Nobody/Anonymous (nobody)
Summary: pix_resize donesn't work with yuv colourspace

Initial Comment:
pix_resize donesn't resize an image with yuv colourspace. It still passes the image but with original size.

I dont know the Gem vertion but it is the one from Pd-Extended  0.43.1.extended-20120502



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>Comment By: IOhannes m zmölnig (zmoelnig)
Date: 2013-01-20 10:05

Message:
that's most likely true.
[pix_resize] uses gluScaleImage() internally, which might not have support
for exotic colorspaces like YUV.
gluScaleImage() is probably not the most efficient scaler anyhow, so we
might want to consider replacing it with a self-written one, that supports
all of Gem's colorspaces.


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