Available environment vars

[Matthew Waters]

On 24/11/14 19:32, Sebastian Dröge wrote:
> On So, 2014-11-23 at 12:44 +0100, Arnaud Loonstra wrote:
>> On 11/23/2014 12:32 PM, Arnaud Loonstra wrote:
>>> Hi all,
>>>
>>> Might be a noob question but how do I find the available environment
>>> variables to control the behaviour of gstreamer.
>>>
>>> For example I'm trying out an openGL ES setup but on my desktop it by
>>> default opens a regular GL context. There's probably some variable
>>> somewhere to set the GL api?
>>>
>>> like: GST_GL_API=gles2 gst-launch-1.0 videotestsrc ! glimagesink
>>>
>> A grep revealed some info in gstgldisplay.c
>> So I got it to work using
>>
>> GST_GL_PLATFORM=x11 GST_GL_API=gles2 GST_GL_WINDOW=x11 gst-launch-1.0 ..
>>
>> Bit how in general would one find these vars?
> Ideally they would be inside the documentation, otherwise the only way
> to find them is by looking at the code.
> Currently these are documented:
> http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/gst-running.html
> https://developer.gnome.org/glib/stable/glib-running.html
>
> The GL parts don't seem to be documented here:
> http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-bad-libs/html/gl.html
>
> Can you file a bug about this at http://bugzilla.gnome.org , ideally
> with a patch against the documentation? :)
>

fwiw, the gl environment variables are documented here
http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-bad-libs/html/GstGLDisplay.html

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