[winswitch] xpra build error

Antoine Martin antoine at nagafix.co.uk
Tue Jun 2 06:54:45 BST 2015

On 02/06/15 04:51, basd wrote:
> Installed fmpeg and ffmpeg-devel so the rpmbuild and install work now.
> Plus, exits from Winswitch/Xpra are not crashing my server anymore.
My best guess is that until you installed ffmpeg, you were using other 
fallback modules for image processing: either our own cython csc module, 
the pyopencl one, or maybe the vpx encoder.
One of those may contain a corruption bug which would cause crashes.
If so, you should be able to reproduce the problem by selecting which 
video encoders and csc modules are activated, ie:
xpra start --video-encoders=vpx --csc-modules=opencl
Please try to reproduce it: the fact that the problem is no longer 
occurring does not mean that the bug is gone, it is simply not 
triggered. And it may trigger later...
> Thanks!
> (I did not think I was doing anything that selected EITHER ffmpeg OR libav, but in any event ffmpeg
> was not in my "Requires" -- it was already installed on one computer, but not the other.)
The build system will pick up the libraries installed and build as many 
of the optional modules as it can.


> On 06/01/2015 12:09 AM, Antoine Martin wrote:
>> On 30/05/15 23:14, daltrey wrote:
>>> Is this something that can be fixed?
>> Yes, either:
>> 1) use ffmpeg and not libav
>> 2) use the 0.14.x branch with whatever libav patches are needed for your specific libav version:
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