null on error.
Plugin.load
gst.plugin.Plugin load()Loads plugin. Note that the return value is the loaded plugin; plugin is untouched. The normal use pattern of this function goes like this:
GstPlugin *loaded_plugin;
loaded_plugin = gst_plugin_load (plugin);
// presumably, we're no longer interested in the potentially-unloaded plugin
gst_object_unref (plugin);
plugin = loaded_plugin;Returns
a reference to a loaded plugin, or