Function gstreamer_rtp_sys::gst_rtcp_packet_xr_get_summary_jitter

pub unsafe extern "C" fn gst_rtcp_packet_xr_get_summary_jitter(
    packet: *mut GstRTCPPacket, 
    min_jitter: *mut u32, 
    max_jitter: *mut u32, 
    mean_jitter: *mut u32, 
    dev_jitter: *mut u32
) -> gboolean

This is supported on crate feature v1_16 only.