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Re: [Linphone-developers] cannot get my v4l2 webcam to work with linphon

From: Simon Morlat
Subject: Re: [Linphone-developers] cannot get my v4l2 webcam to work with linphone
Date: Sat, 6 Dec 2008 10:36:22 +0100
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Thank you for sharing this useful information.
I looked at your screenshot. Indeed there's probably a mismatch between the 
driver and linphone concerning the way of formatting the picture.
But I did not found anything in V4L2 that could explain that.


Le Friday 05 December 2008 23:31:45 Nicolai Lissner, vous avez écrit :
> hello again,
> found some other users had similar problems with other v4l2
> cameras and even other v4l2 applications and managed to solve
> these problems with using LD_PRELOAD=/usr/lib/libv4l/
> and actually this solves my problems with linphone, too.
> LD_PRELOAD=/usr/lib/libv4l/ linphone-3
> actually makes my camera work. I don't know details about what
> this library does, but its name suggests some compatibility layer
> for v4l1? However linphone still shows the device (correctly) as
> v4l2, just thought you might wanted to know about this.
> It probably will help some other users to make their camera work,
> too.
> I've also read some users hadn't had any problems with kernels
> before 2.6.27 - I didn't verify this, but maybe the kernel
> hackers changed something in the API? I'm running kernel-
> here.
> :)
> best wishes,
> Nicolai

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