mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Greg KH <greg@kroah.com>
To: Markus Rechberger <mrechberger@gmail.com>
Cc: mchehab@infradead.org, v4l-dvb-maintainer@linuxtv.org,
	video4linux-list@redhat.com, linux-usb@vger.kernel.org,
	linux-kernel@vger.kernel.org, dean@sensoray.com
Subject: Re: [v4l-dvb-maintainer] [PATCH] USB: add Sensoray 2255 v4l driver
Date: Wed, 14 May 2008 19:41:41 -0700	[thread overview]
Message-ID: <20080515024141.GB21941@kroah.com> (raw)
In-Reply-To: <d9def9db0805141817n4182deedp780791b0a51fb7be@mail.gmail.com>

On Thu, May 15, 2008 at 03:17:42AM +0200, Markus Rechberger wrote:
> Hi Dean, Greg,

Adding dean to the cc: line...  :)
> 
> On 5/14/08, Greg KH <greg@kroah.com> wrote:
> > From: Dean Anderson <dean@sensoray.com>
> >

<big patch snipped>

> Why do you do those conversions in kernelspace?
> ffmpeg/libswscale has optimized code for colourspace conversions.
> I know a few drivers do that in kernelspace but it's way more flexible
> in userspace and depending on the optimization requires less CPU
> power.

I thought they were there as needed by some V4L1 applications, but that
code was recently removed by Dean I think.  If they don't need to be
there, and userspace apps can properly handle the different colorspace,
then I'll be glad to remove them.

thanks,

greg k-h

  reply	other threads:[~2008-05-15  2:42 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-05-14 20:59 Greg KH
2008-05-15  1:17 ` [v4l-dvb-maintainer] " Markus Rechberger
2008-05-15  2:41   ` Greg KH [this message]
2008-05-15  3:12     ` Trent Piepho
2008-05-15 15:34       ` Dean Anderson
2008-05-15 16:57         ` Markus Rechberger
2008-05-16  2:59         ` Mauro Carvalho Chehab
2008-05-15 11:38 ` Oliver Neukum
2008-05-15 12:03   ` Oliver Neukum
2008-05-15 18:44     ` Greg KH
2008-05-15 19:54       ` Oliver Neukum
2008-05-15 20:10         ` Greg KH
2008-05-15 20:13           ` Oliver Neukum
2008-05-16  2:51 ` Mauro Carvalho Chehab
2008-05-16  6:28   ` Oliver Neukum
2008-05-16 15:57     ` dean
2008-05-16 16:04       ` Oliver Neukum
2008-05-16 18:17       ` Mauro Carvalho Chehab
2008-05-16 14:53   ` dean
2008-05-16 15:34     ` Mauro Carvalho Chehab

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:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

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

  git send-email \
    --in-reply-to=20080515024141.GB21941@kroah.com \
    --to=greg@kroah.com \
    --cc=dean@sensoray.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-usb@vger.kernel.org \
    --cc=mchehab@infradead.org \
    --cc=mrechberger@gmail.com \
    --cc=v4l-dvb-maintainer@linuxtv.org \
    --cc=video4linux-list@redhat.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* 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
all inboxes | Powered by JetHome®