Re: Gst::Caps and the "caps" property.

[José Alburquerque <jaalburquerque cox net>]

Victor Bogado da Silva Lins wrote:
> How can I set the "caps" property of an element? I'm tried the following ways but until now I had no luck. 
>
>
> Glib::RefPtr<Gst::Element> source =  Gst::ElementFactory::create("multifilesrc", "source");
> Glib::RefPtr<Gst::Caps> caps = Gst::Caps::from_string("image/jpeg,framerate=2/1");
>
> source->set_property("caps", caps); // This gives me a compilation error.
>
> source->set_property("caps", caps->gobj()); // This gives me a runtime warning and the pipeline does not work.
>  
> //(teste:20546): GLib-GObject-WARNING **: unable to set property `caps' of type `GstCaps' from value of type `glibmm__CustomPointer_P8_GstCaps'
>
> I also tried to create a c caps object using the gstreamer C syntax instead of a C++ object, but this gave a similar problem that the caps->gobj().
>
>   

Gst::Element does not directly have a caps property.  Instead, use the 
pads of the element to set the caps property that way.

--
José Alburquerque