[OLPC-GSoC] Gsoc Digest, Vol 4, Issue 10

[Samuel Klein]

copying erik and mr. ochshorn, for good measure.   SJ

On Thu, Jun 26, 2008 at 7:52 PM, Nirav Patel <olpc at spongezone.net> wrote:

> Greg,
>
> Adding support for other cameras and formats is actually pretty easy
> once the v4l2 stuff is in place, and it was a requirement to get it
> included in pygame.  I would rather it be included in pygame than
> maintaining an OLPC specific pygame branch.  That way it can be used
> for non-OLPC purposes too, which still benefits OLPC because pygame
> games made by anyone using the camera module could then be ported back
> to the XO.
>
> I'll keep the special effects stuff in mind.  That does sound like
> something kids would enjoy.  I'm not sure the XO has the processing
> power to do it real time to video though.  To images, certainly.
>
> I'll package it up what I have so far with pygame as an .rpm and turn
> some of my testing/demo scripts into .xo files.
>
> Nirav
>
> On Fri, Jun 27, 2008 at 3:57 AM, Greg Smith <gregsmitholpc at gmail.com>
> wrote:
> > Hi Nirav,
> >
> > A few off the cuff suggestions.
> >
> > Only design it for the built in camera. That's all 99% of the kids will
> > have.
> >
> > I can't tell where your performance bottle neck is from this e-mail but
> > one suggestion is to pick one format and optimize for it and only it.
> > YUV420 is my favorite but whatever gives the best peformance you only
> > need one.
> >
> > Make a sample/demo application. Build it all the way to .XO format and
> > post it to the supported activities page.
> >
> > Image recognition and that kind of processing is interesting but its
> > very tough to get right and hard to understand what its doing.
> >
> > Image processing where you modify what you see in the screen is easier
> > and may be more fun for the kids. e.g. sepia, color, black and white,
> > swirl, "special effects" in general. I'm not sure if that falls in your
> > area but I think the kids will really enjoy that if you can do it.
> >
> > If you can save those effects to file or modify files in that way you
> > are getting close to video editing. Which I think would be super useful!
> >
> > That's my 2 cents. Get me an installable activity to show what your are
> > talking about and I'll invite some teachers and kids to try it out make
> > suggestions on what else they would like to see...
> >
> > HTHs
> >
> > Thanks,
> >
> > Greg S
> >
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