— Function: gst-element-implements-interface (self <gst-element>) (iface_type <gtype>)   (ret bool)
— Method: implements-interface

Test whether the given element implements a certain interface of type iface_type, and test whether it is supported for this specific instance.

element

<gst-element> to check for the implementation of the interface

iface-type

(final) type of the interface which we want to be implemented

ret

whether or not the element implements the interface.

— Function: gst-implements-interface-cast (from <gpointer>) (type <gtype>)   (ret <gpointer>)

cast a given object to an interface type, and check whether this interface is supported for this specific instance.

from

the object (any sort) from which to cast to the interface

type

the interface type to cast to

ret

a gpointer to the interface type

— Function: gst-implements-interface-check (from <gpointer>) (type <gtype>)   (ret bool)

check a given object for an interface implementation, and check whether this interface is supported for this specific instance.

from

the object (any sort) from which to check from for the interface

type

the interface type to check for

ret

whether or not the object implements the given interface