[libav-tools] Problem with screen recording while using x2go

Luca Barbato lu_zero at gentoo.org
Mon Mar 30 01:05:22 CEST 2015


On 24/03/15 17:34, Tomasz Bujlow wrote:
>>
>> ./configure --enable-libxcb
> 
> 
> I just tried to use the newest libav possible. I downloaded
> "libav-11.3.tar.gz" and compiled from sources. Unfortunately, the configure
> script does not accept "--enable-libxcb", so I compiled it using only
> "./configure --enable-x11grab --enable-gpl". I also compiled the newest
> x2goserver (x2goserver-4.0.1.19.tar.gz) using the default options.
> 
> Now, the output is almost the same as previously (the only difference is
> the version of the library):
> 
> login at baga:~$ avconv -f x11grab -r 25 -s 1600x900 -i :50 -vcodec libx264
> -threads 4 output.avi
> avconv version 11.3, Copyright (c) 2000-2014 the Libav developers
>   built on Mar 24 2015 17:29:51 with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)
> [x11grab @ 0x22eb260] device: :50 -> display: :50 x: 0 y: 0 width: 1600
> height: 900
> [x11grab @ 0x22eb260] shared memory extension  found
> Segmentation fault (core dumped)
> 
> Any idea what is happening?
> 

gdb --args avconv -f x11grab -r 25 -s 1600x900 -i :50 -vcodec libx264
 -threads 4 output.avi

then `r` and once it crashes `bt` will tell us.

lu



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