archive mirror
 help / color / mirror / Atom feed
From: Stelian Pop <>
Subject: Re: [PATCH 2.4.5-ac12] New Sony Vaio Motion Eye camera driver
Date: Fri, 15 Jun 2001 23:10:58 +0200	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <9gbao9$55e$>
In-Reply-To: <> <E15A7os-0003e9-00@come.alcove-fr> <9gbao9$55e$>

In alcove.lists.linux.kernel, you wrote:

> >Well, not quite... I've had several X lockups while using the YUV 
> >acceleration code. Let's say one lockup per half an hour.
> Strange. I've watched DVD's etc. Maybe it's not the Xv code, but your
> camera code?

It can be, of course. However I never experienced problems when 
using the 'regular' X server, but quite often when using the 
patched server from gatos.

And since the driver delivers YUV data in both cases, I see
no difference (from its point of vue) between the two uses.

> >Even the performances are controversial: with 320x240, I achieve 
> >great performance with xawtv/meye driver, I can even use the hardware
> >scaling facilities (well, the xawtv sources need a little hacking for
> >that), but in 640x480 the framerate achieved with Xv is below the
> >one I get by converting YUV->RGB in software...
> There's something wrong with your setup. I watch full-screen DVD's on my
> VAIO. It's not really fast enough with just the YUV conversion done in
> hardware (it's plenty fast enough if MC and iDCT would be done in HW
> too, but ATI doesn't release docs without strict NDA's). But there's no
> way DVD's are watchable with sw YUV conversion and scaling.

I said that YUV conversion and scaling _do_ work in hardware. Actually,
using a capture size of 320x240 I can use those hardware features
and scale the image to full screen and I get all the 30 fps.

It seems however to work pretty bad in 640x480... but maybe it is
my setup here...

> >But the main question remains: does the MotionEye camera support
> >overlay or not ? 
> That one I have no clue about at all.

Neither do I :-)

Stelian Pop <>
|---------------- Free Software Engineer -----------------|
| Alcôve - - Tel: +33 1 49 22 68 00 |
|------------- Alcôve, liberating software ---------------|

  parent reply	other threads:[~2001-06-15 21:11 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-06-12 20:58 [PATCH 2.4.5-ac12] New Sony Vaio Motion Eye camera driver Alex Deucher
2001-06-12 22:50 ` egger
2001-06-13 13:05   ` Alex Deucher
2001-06-12 22:51 ` Linus Torvalds
2001-06-13  6:33   ` egger
2001-06-13 10:24   ` Stelian Pop
2001-06-14 21:36     ` Linus Torvalds
2001-06-15 21:10     ` Stelian Pop [this message]
2001-06-28 19:11     ` volodya
2001-06-29  9:29       ` Stelian Pop
2001-06-13 13:09   ` Alex Deucher
  -- strict thread matches above, loose matches on Subject: below --
2001-06-10 13:25 Stelian Pop
2001-06-10 14:39 ` Alan Cox
2001-06-10 15:57   ` Stelian Pop
2001-06-10 15:58     ` Alan Cox
2001-06-10 16:46       ` Stelian Pop
2001-06-10 19:07         ` Linus Torvalds
2001-06-10 23:41           ` egger
2001-06-11  0:13             ` Linus Torvalds
2001-06-11 19:37               ` egger

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \ \ \ \

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).