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Date:      Sun, 22 May 2011 17:32:41 +0200 (CEST)
From:      Juergen Lock <nox@jelal.kn-bremen.de>
To:        kappei84@gmail.com
Cc:        freebsd-multimedia@freebsd.org, Andriy Gapon <avg@freebsd.org>
Subject:   Re: skype 2.1.0.81; alternate versions of the Linuxolator v4l2 patches
Message-ID:  <201105221532.p4MFWfSL092692@triton8.kn-bremen.de>
In-Reply-To: <BANLkTinv-iKszN7cJhfhCcU59cAqms1gBA@mail.gmail.com>
References:  <BANLkTinK1JN-ufVmTj5oxncxfKVpZa%2B%2BUQ@mail.gmail.com> <20110515125252.5a90d966@ukr.net> <1305455213.2833.3.camel@crashalot.rainbow-runner.nl> <20110515140332.3acb7412@ukr.net> <20110515140755.6e833cd4@ukr.net> <BANLkTinBPe=1hGsJdPtrB1J2c4o9QxQM%2Bg@mail.gmail.com> <20110515144556.292a0230@ukr.net> <20110515132530.GA6707@tinyCurrent> <4DCFE689.3000904@FreeBSD.org> <BANLkTinsi-aAoyMPGyu_NxRg%2BKfr-gEDdg@mail.gmail.com>

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In article <BANLkTinv-iKszN7cJhfhCcU59cAqms1gBA@mail.gmail.com> you write:
>Hi all.
Hi!  (sorry for the late reply...)
>
>I am sorry to bother you all again. I made some progresses here. I
>have succesfully managed to run my webcam inside skype. I have
>basically followed the main steps to get my webcam working outside
>skype (e.g. cuse4bsd, webcamd and pwcview, I am sorry I am too lazy to
>write all the passages...) and then I made the following:
>
>[User@Fermi:/home/User]> su
>[Root@Fermi:/home/User]> kldload linux_v4l2wrapper
>
>and after then, as normal user run
>
>[User@Fermi:/home/User]> skype --resources=$PWD/skype_static-2.1.0.81 &
>
>which made my webcam available and working. By the way I have these
>warnings comparing on my command prompt
>
>[User@Fermi:/home/User]> libv4lcontrol: error creating shm segment
>failed: Function not implemented
>libv4lcontrol: falling back to malloc-ed memory for controls
>libv4lcontrol: error creating shm segment failed: Function not implemented
>libv4lcontrol: falling back to malloc-ed memory for controls
>libv4lcontrol: error creating shm segment failed: Function not implemented
>libv4lcontrol: falling back to malloc-ed memory for controls
>
>and if I try to run pwcview from the command line I only get a window
>opening and closing immediately telling me this:
>
>[User@Fermi:/home/User]> pwcview
>Webcam set to: 320x240 (sif) at 5 fps
>libv4l2: error reading: Invalid argument
>Error reading from webcam: Invalid argument
>
>I am however able to see the output of my webcam. I do not know if
>this can be of use to you but I think this is a good step forward.

[this was already answered, you probably need to kldload sysvshm]

> I
>am actually having troubles with audio devices and skype calls but I
>will try get rid of those problems tomorrow.
>
 And in case this is still a problem, instead of upgrading from -release
to -stable you can also try manually applying only the sound.ko fix,

	http://svnweb.freebsd.org/base?view=revision&revision=221583

i.e. apply the patch from here:

	http://svnweb.freebsd.org/base/stable/8/sys/dev/sound/pcm/dsp.c?view=patch&r1=221583&r2=221582&pathrev=221583

and rebuild and reload your sound.ko, you can do something like this:

	# cd /usr/src
	# fetch -o - 'http://svnweb.freebsd.org/base/stable/8/sys/dev/sound/pcm/dsp.c?view=patch&r1=221583&r2=221582&pathrev=221583' |patch -p2
		[obviously needs kernel source installed]
	# cd sys/modules/sound/sound
	# make DEBUG_FLAGS=-g install
	# kldunload snd_hda
		[or whichever driver you are using; stop apps using sound first]
	# kldload sound
	# kldload snd_hda

 HTH,
	Juergen



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