pub unsafe extern "C" fn ges_video_source_get_natural_size(
self_: *mut GESVideoSource,
width: *mut c_int,
height: *mut c_int
) -> gboolean
pub unsafe extern "C" fn ges_video_source_get_natural_size(
self_: *mut GESVideoSource,
width: *mut c_int,
height: *mut c_int
) -> gboolean