Function gstreamer_editing_services_sys::ges_timeline_element_get_natural_framerate

pub unsafe extern "C" fn ges_timeline_element_get_natural_framerate(
    self_: *mut GESTimelineElement, 
    framerate_n: *mut c_int, 
    framerate_d: *mut c_int
) -> gboolean

This is supported on crate feature v1_18 only.