Re: gstreamermm ghost pad incomplete

[José Alburquerque <jaalburquerque cox net>]

Thanks for trying out gstreamermm and taking the time to report bugs; 
this really helps:

Marcus Brinkmann wrote:
> Hi,
>
> seems there is a gap in wrapping ghost pads in gstreamermm.  The
> attached code tries to create a ghost pad for a sink of an element in
> a bin and add it to the bin, which is then connected to a playbin
> pipeline (the idea here is that later more elements are inserted in
> the filter bin, of course).  This approach works in an equivalent C
> implementation and is described, I believe, in the gestreamer
> documentation and used in at least one media player, probably more.
>
> Running the program yields:
>
> $ ./mediaplayer 
> sink_pad 2
>
> (lt-mediaplayer:8954): glibmm-WARNING **: Glib::ConstructParams::ConstructParams(): object class "gtkmm__GstGhostPad" has no property named "target"
> ghost_pad 0
>
>   

What you're getting above is a warning related to how the 
Gst::GhostPad::create() methods have been wrapped and an interaction 
between the parameter collection for the Gst::GhostPad construction in 
its super class's Gst::Pad constructor and the gstreamer object internal 
properties.  I wont bore you with all the details, however, suffice it 
to say that thanks to your reporting I think this can be quickly fixed.

> (lt-mediaplayer:8954): GStreamer-CRITICAL **: Trying to add pad sink to element bin, but it has no direction
>
> It looks as if the target property is not wrapped or something,
> causing the gstreamer code itself to fail(?).
>
>   

I'm not sure if the previous warning has any impact on the above, but as 
far as this error, would you do me a favor and provide both a C and 
equivalent C++ code (as brief as possible) so that I can see exactly 
what works with C but not in C++ and that way this can also be fixed.  
Thanks.

BTW, though I must admit that I wont know the moment that bug reports 
are submitted, I regularly look for them and I think that it would be 
best to submit reports like this in bugzilla where they are more 
practically dealt with.  Again, I really appreciate you taking the time 
to help out with gstreamermm development.

> Thanks,
> Marcus
>
>   
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--
José Alburquerque
jaalburquerque cox net