theora dev - Jun 2006 - IDCTSlow works on a FPGA prototype test

Good News :-)

I tested the IDCTSlow synthesized on FPGA and it works !

I made an interface to convert the IDCTSlow protocol to the Avalon BUS
protocol, and permit comunicate with the NIOS II Altera embeded
processor.

The IDCT works like a peripheral, receiving and sending data from a
software running on the NIOS Processor,

By now, the software is just a loop with a mem copy from a input array
to the IDCT peripheral address, and a read from the same address

The software sended some IDCT Input samples, and read the correct IDCT
decoded samples.

IT means that the IDCT is working correctly on the FPGA!

:-D


And the Brazil won the Croatia!!!!


-- 
________________________________________
Felipe Portavales <portavales@gmail.com>
Undergraduate Student - IC-UNICAMP
Computer Systems Laboratory
http://www.lsc.ic.unicamp.br

On Tue, Jun 13, 2006 at 06:49:43PM -0300, Felipe Portavales Goldstein wrote:
> I made an interface to convert the IDCTSlow protocol to the Avalon BUS
> protocol, and permit comunicate with the NIOS II Altera embeded
> processor.
> 
> The IDCT works like a peripheral, receiving and sending data from a
> software running on the NIOS Processor,
Excellent!

BTW, sometme soon I think you should get it working with the cpu running 
the actual libtheora and do a profile. That will give us a good picture 
of which modules should be moved to hardware.

Cheers,
 -r

On 6/13/06, Ralph Giles <giles@xiph.org> wrote:
> On Tue, Jun 13, 2006 at 06:49:43PM -0300, Felipe Portavales Goldstein
wrote:
>
> > I made an interface to convert the IDCTSlow protocol to the Avalon BUS
> > protocol, and permit comunicate with the NIOS II Altera embeded
> > processor.
> >
> > The IDCT works like a peripheral, receiving and sending data from a
> > software running on the NIOS Processor,
>
> Excellent!
>
> BTW, sometme soon I think you should get it working with the cpu running
> the actual libtheora and do a profile. That will give us a good picture
> of which modules should be moved to hardware.

Sure! :-)
Im working on it

>
> Cheers,
>  -r
>

-- 
________________________________________
Felipe Portavales <portavales@gmail.com>
Undergraduate Student - IC-UNICAMP
Computer Systems Laboratory
http://www.lsc.ic.unicamp.br

On Tue, 2006-06-13 at 21:07 -0300, Felipe Portavales Goldstein
wrote:
> > Excellent!
> >
> > BTW, sometme soon I think you should get it working with the cpu
running
> > the actual libtheora and do a profile. That will give us a good
picture
> > of which modules should be moved to hardware.
> 
> 
> Sure! :-)
> Im working on it
> 
Is the plan to make a standalone hardware decoder, or to use the FPGA as
a replacement for certain functions in libtheora? I love the idea of
plugging in a PCI card and all apps using libtheora get instant hardware
acceleration.

-Phil

-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 189 bytes
Desc: This is a digitally signed message part
Url :
http://lists.xiph.org/pipermail/theora-dev/attachments/20060614/6394900d/attachment.pgp