[mpeg2] Re: Fw: hello

[Torsten Howard <torsten@inetw.net>]

On Tuesday 31 July 2001 08:12 pm, Warren Young wrote:
> Mark Cuss wrote:
> > You cannot do MPEG2 encoding with your AIW Radeon in Linux.  Although the
> >  board has the hardware that does the IDCT math for the compression, I
> > have heard that ATI has not realeased the information to the open source
> > community on how to run this part of the board.
>
> It wouldn't matter if they did release this information.  IDCT is the
> inverse discrete cosine transform; that is, the inverse of the DCT, used
> by the MPEG encoding process.  It would still be good if ATI released
> info on their IDCT processor: the software DVD player writers could use
> it to speed up their decoding.
>
> To the original poster: since ATI's MPEG encoder is entirely in
> software, there's really nothing to lobby ATI for.  Just find a software
> MPEG encoder for Linux that operates in real time.  Trivial.  :)
>
> Bonus hint: SAMPEG, mentioned at linuxtv.org, will become real time in
> about 6 years, assuming that Moore's law holds, and that the software
> remains unoptimized.