[gst-devel] does signal has last param user_data in gstreamer?

[Farkas Levente]

hi,
then the two signal definition in input-selector is bad? or..
http://cgit.freedesktop.org/gstreamer/gstreamer/tree/plugins/elements/gstinputselector.h
since there is no last argument user_data?

On 01/06/2011 03:29 PM, Guillaume Emont wrote:
> Hi Farkas,
> 
> That is indeed a gobject signal thing: when you connect [1] to a signal,
> you specify a "user_data" pointer to pass to the callback you're
> attaching, whatever the signal.
> This is all should be explained in the signal section of the GObject
> Reference Manual [2].
> 
> Guillaume
> 
> [1]
> http://library.gnome.org/devel/gobject/2.26/gobject-Signals.html#g-signal-connect
> [2] http://library.gnome.org/devel/gobject/2.26/signal.html
> 
> On 06/01/2011 14:50, Farkas Levente wrote:
>> hi,
>> let see an example: both gst-inspect input-selector and
>> http://www.gstreamer.net/data/doc/gstreamer/head/gst-plugins-bad-plugins/html/gst-plugins-bad-plugins-input-selector.html
>> said that the signal "switch" has a last argument as
>> gpointer user_data
>> and the signal "block" has no such last argument in the gst-inspect
>> output, but has in the above docs.
>> but when i look onto the source code in gstinputselector.h none of these
>> signal has last param!
>>
>> since there are many signal (almos all) which has last param user_data
>> so my questions in general:
>> is the last param user_data exist or not at all? or it's something glib
>> specific thing or ...?
>> thanks in advance.
>> regards.
>>
> 
> 
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-- 
  Levente                               "Si vis pacem para bellum!"