Re: [pwc] why cann't I change the palette property by V4L on a pwcdriver?

[沈 方 <>]

Thank you!


> From: Sandy McArthur <>
> Reply-To: Philips Webcam Linux Driver <>
> To: Philips Webcam Linux Driver <>
> Subject: Re: [pwc] why cann't I change the palette property by V4L on a
pwcdriver?
> Date: Fri, 19 Aug 2005 11:53:47 -0400
>
> The pwc device only supports YUV20. The kernel devs do not want
> pallet conversion to take place in the kernel. You need to do that
> in  your software.
>
> On Aug 19, 2005, at 1:45 AM, 娌???wrote:
>
>
> > Hello,everybody. Recently I taked part in a project which required
> > to get video from Logitec Pro4000 web camera on Linux platform. I
> > finished it successfully by using V4L API.However, when I try to
> > change the palette property from YUV420 to RGB24, the VIDIOCSWIN
> > ioctl return -1.I checked my program and find nothing wrong. I used
> >  pwc-9.0.2 as my web camera driver. Does it mean that the drive
> > don't support changing property? Or should I do some thing before
> > change the palette property to let it take effect?
> >
> > It is my great pleasure to hear from you.
> > Jules Shen
> --
> Sandy McArthur
>
> "He who dares not offend cannot be honest."
> - Thomas Paine

> << smime.p7s >>



> _______________________________________________
> pwc mailing list
>
> http://lists.saillard.org/mailman/listinfo/pwc
_________________________________________________________________
与联机的朋友进行交流，请使用 MSN Messenger: http://messenger.msn.com/cn

_______________________________________________
pwc mailing list

http://lists.saillard.org/mailman/listinfo/pwc