Info passed in the #GstPadProbeCallback.
Sets our main struct and passes it to the parent class.
Return: The #GstBuffer from the probe
Return: The #GstEvent from the probe
Get the main Gtk struct
Return: The #GstQuery from the probe
the main Gtk struct as a void*
the main Gtk struct
See Implementation
Info passed in the #GstPadProbeCallback.