Messages in this thread |  | | | Date | Wed, 14 May 2008 19:41:41 -0700 | | From | Greg KH <> | | Subject | Re: [v4l-dvb-maintainer] [PATCH] USB: add Sensoray 2255 v4l driver |
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
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