Date: Tue, 22 Mar 2011 00:06:05 +0100 From: Hans Petter Selasky <hselasky@c2i.net> To: Matthias Apitz <guru@unixarea.de> Cc: freebsd-multimedia@freebsd.org Subject: Re: Webcam recommendations Message-ID: <201103220006.05449.hselasky@c2i.net> In-Reply-To: <20110321225253.GA7054@tinyCurrent> References: <20110321112141.GA23421@sh4-5.1blu.de> <201103212337.14833.hselasky@c2i.net> <20110321225253.GA7054@tinyCurrent>
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On Monday 21 March 2011 23:52:53 Matthias Apitz wrote:
> El día Monday, March 21, 2011 a las 11:37:14PM +0100, Hans Petter Selasky
escribió:
> > > What do I miss to get the debugging log?
> >
> > webcamd -s
> >
> > Then use -m to set debug parameters.
>
> # ./webcamd -m v4l1-compat.debug=1
> ...
> Attached ugen4.2[0] to cuse unit 0
> uvcvideo: Found UVC 1.00 device (0c45:62c0)
> Creating /dev/video0
>
> (now probing the cam in Skype)
>
> v4l1-compat: VIDIOCSPICT / VIDIOC_S_FMT: -22
> v4l1-compat: VIDIOCSPICT / VIDIOC_G_FBUF: -513
> v4l1-compat: VIDIOCSPICT / VIDIOC_G_FBUF: -513
> v4l1-compat: VIDIOCGWIN / VIDIOC_G_WIN: -22
> v4l1-compat: VIDIOCSWIN / VIDIOC_S_FMT #2: -22
>
Probably the format which skype is trying to set is not available? Then you
maybe need to pre-load skype with libv4l for Linux. Maybe you could dump the
structure associated with the VIDIOC_S_FMT?
-22 means:
22 EINVAL Invalid argument.
--HPS
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