pub unsafe extern "C" fn ges_track_element_lookup_child(
object: *mut GESTrackElement,
prop_name: *const c_char,
element: *mut *mut GstElement,
pspec: *mut *mut GParamSpec,
) -> gboolean
pub unsafe extern "C" fn ges_track_element_lookup_child(
object: *mut GESTrackElement,
prop_name: *const c_char,
element: *mut *mut GstElement,
pspec: *mut *mut GParamSpec,
) -> gboolean