[gst-devel] OpenGL context: GTK X overlay v/s SDL v/s Clutter v/s Wx

[Alexandre Quessy]

Hello,

2010/4/20 Filippo Argiolas <filippo.argiolas at gmail.com>:
> On Tue, Apr 20, 2010 at 9:34 AM, Alexandre Quessy <alexandre at quessy.net> wrote:
>>> Please tell use which example is unstable for you and what is the exact
>>> error. As such gstreamer and gtk is a solid team.
>>
>> As you can see in the shell log below, setting the X window ID
>> sometimes fails. It seems like sometimes the X resource is not
>> available. In some cases, the window appears to be grey, and nothing
>> happens until the application crashes. Sometimes it works, but
>> sometimes it doesn't. I am testing the gtkxoverlay example that is
>> shipped with the current Git version of gst-plugins-gl. I am running
>> an up-to-date Ubuntu Karmic 9.10 on an Intel Core 2 Duo 2.2 GHz with 2
>> Gb of RAM and the Nvidia driver.
>>
>
> If I recall correctly those examples were never updated after gtk
> moved to client-side-windows.
> With that gtk+ changes you can never be sure that a gdkwindow is bound
> to a X11 handle unless you call gdk_window_ensure_native().
> That's most probably the reason for the errors you are getting, it
> doesn't have anything to do with opengl.

It seems like this is the reason to my problems. I would have saved a
few weeks if they had been updated... Anyways, thanks for telling us!

Maybe someone should fix the GTK examples?

Thanks,
Alex

>
> Hope this helps,
> Filippo
>
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-- 
Alexandre Quessy
http://alexandre.quessy.net/