Anti Iphone (Was Re: Some light ahead...)
Arthur Marsh
arthur.marsh at internode.on.net
Sat May 5 05:41:20 CEST 2007
nitro wrote, on 2007-05-04 17:36:
> http://www.imgtec.com/PowerVR/products/Video/MVDA2/index.asp
>
> The bad point of this kind of chip are the limited amount of supported
> codecs, so this kind below would be better ; also because it's OpenGL|ES
> 2.0 compatible ;)
>
> "[...] Video processing for free, with the real-time programmable
> architecture providing extensive accelerated functions support for
> multi-standard video decode and encode." -- ak vertex&fragment shaders
> that seems to be extended in this chip to access other kind of resources
> (maybe a kind of fast texture wrapper around raw video blocks ?).
>
> http://www.imgtec.com/PowerVR/products/Graphics/SGX/index.asp?Page=2
>
> Now I think the main problem would be the price of a chip like that.
>
> Why not use an FPGA with a bunch of arithmetic operations widely used in
> audio / video compression (eg. DCT) and write a media library that
> forward most of the job on the FPGA. I don't know if there is more
> complete solutions available, but the basic idea is here :
>
> http://www.opencores.org/projects.cgi/web/video_systems/overview
>
>
> (well I don't have the whole mailing list archived here, so it has maybe
> been already mentioned before)
That sounds like a new project for the Open-Graphics Project:
http://www.opengraphics.org and mailing list available from
news.gmane.org as the newsgroup gmane.comp.graphics.opengraphics
Arthur.
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