pub unsafe extern "C" fn ges_track_element_set_control_source(
object: *mut GESTrackElement,
source: *mut GstControlSource,
property_name: *const c_char,
binding_type: *const c_char,
) -> gboolean
pub unsafe extern "C" fn ges_track_element_set_control_source(
object: *mut GESTrackElement,
source: *mut GstControlSource,
property_name: *const c_char,
binding_type: *const c_char,
) -> gboolean