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From: Ken Rose <kenrose@tfb.com>
To: caml-list@yquem.inria.fr
Subject: Re: [Caml-list] doing MMX through ocaml
Date: Fri, 18 Nov 2005 11:22:46 -0800	[thread overview]
Message-ID: <437E2A06.4020608@tfb.com> (raw)
In-Reply-To: <Pine.LNX.4.63.0511172104210.24132@localhost.localdomain>

Brian Hurt wrote:

> I'm pretty sure you need at least SSE for MPEG.  The core function is an
> 8x8 2D FFT.  You *might* be able to do in fixed point (and thus in MMX),
> but the SSE version would be a lot easier to get right.

It's actually an 8x8 Discrete Cosine Transform.  It can be done in fixed
point.  IIRC, you need 18 bits.

 - ken


  parent reply	other threads:[~2005-11-18 19:22 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-11-17 21:13 Jonathan Roewen
2005-11-17 21:47 ` Oliver Bandel
2005-11-17 21:57   ` Jonathan Roewen
2005-11-17 22:16   ` Damien Bobillot
2005-11-17 22:43     ` Daniel Bünzli
2005-11-17 22:55       ` Jonathan Roewen
2005-11-18  1:26         ` Vincenzo Ciancia
2005-11-18 10:04         ` [Caml-list] " Alessandro Baretta
2005-11-17 22:55       ` Damien Bobillot
2005-11-17 23:01 ` Vincenzo Ciancia
2005-11-17 23:49 ` [Caml-list] " Erik de Castro Lopo
2005-11-18  1:52   ` Grégory Guyomarc'h
2005-11-18  3:06   ` Brian Hurt
2005-11-18  3:29     ` Jonathan Roewen
2005-11-18 19:22     ` Ken Rose [this message]
2005-11-21  9:11       ` Sebastian Egner

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