25     ssrc: u32,
26     rollover_counter: u32,
36     ssrc: u32,
41     pub fn next_rollover_count(&self, sequence_number: u16) -> u32 {  in next_rollover_count()  argument
105     srtp_ssrc_states: HashMap<u32, SrtpSsrcState>,
106     srtcp_ssrc_states: HashMap<u32, SrtcpSsrcState>,
161     fn get_srtp_ssrc_state(&mut self, ssrc: u32) -> Option<&mut SrtpSsrcState> {  in get_srtp_ssrc_state()
172     fn get_srtcp_ssrc_state(&mut self, ssrc: u32) -> Option<&mut SrtcpSsrcState> {  in get_srtcp_ssrc_state()
183     fn get_roc(&self, ssrc: u32) -> Option<u32> {  in get_roc()  argument
188     fn set_roc(&mut self, ssrc: u32, roc: u32) {  in set_roc()  argument
195     fn get_index(&self, ssrc: u32) -> Option<usize> {  in get_index()
200     fn set_index(&mut self, ssrc: u32, index: usize) {  in set_index()  argument