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Re: [Linphone-users] Is Linphone 3.2.1 v4l or v4l2?


From: Simon Morlat
Subject: Re: [Linphone-users] Is Linphone 3.2.1 v4l or v4l2?
Date: Fri, 26 Jun 2009 16:10:21 +0200
User-agent: KMail/1.11.4 (Linux/2.6.29-2-amd64; KDE/4.2.4; x86_64; ; )

Hi Bent,

V4L2 is the preferred method in linphone. It should not crash, this is a bug 
I'm not aware of !
Could you please send a gdb report ?
gdb linpnhone-3
run
bt full

Thanks a lot,

Simon

Le vendredi 26 juin 2009 14:59:20, Bent a écrit :
> Hi
>
> I'm having difficulties with the video on Linphone 3.1.2.
>
> My camera is a Labtec (Logitech) webcam (ID: 046d:0929), so the kernel
> driver is the gspca_main/gspca_spca561 combination. 'xawtv  -hwscan'
> reports this camera as a v4l2 camera.
>
> However. if I start Linphone right away, configure the camera as V4L2
> in the 'Multimedia settings' tab and switch to 'Audio and Video' in
> the Modes drop-down menu, Linphone exits with a segmentation fault. If
> I choose V4L Linphone displays a completely garbled picture, mostly
> green, but with specks of black and rer all over. If I minimize the
> video window and the restore it, it is pitch black,
>
> If I start Linphone with this line:
> LD_PRELOAD=/usr/lib/libv4l/v4l1compat.so linphone-3
> everything works perfectly. But to the best of my knowledge the above
> PRELOAD turns the driver interface into a V4L API. Hence my quistion:
> Is Linphone 3.2.1 v4l or v4l2?
>
> Any advice will be much appreciated.
>
> Kind regards,
>
> Bent
>
> PS I get a lot of 'assertion failed' messages when I run Linphone.
> Should I pay any attention to them?
>
>
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