Function gstreamer_video_sys::gst_video_region_of_interest_meta_get_param

pub unsafe extern "C" fn gst_video_region_of_interest_meta_get_param(
    meta: *mut GstVideoRegionOfInterestMeta, 
    name: *const c_char
) -> *mut GstStructure

This is supported on crate feature v1_14 only.