+uint32_t rtp_compute_ts( unsigned i_clock_rate, int64_t i_pts );
+int rtp_add_sink( sout_stream_id_t *id, int fd, bool rtcp_mux, uint16_t *seq );
+void rtp_del_sink( sout_stream_id_t *id, int fd );
+uint16_t rtp_get_seq( sout_stream_id_t *id );
+int64_t rtp_get_ts( const sout_stream_t *p_stream, const sout_stream_id_t *id,
+ const vod_media_t *p_media, const char *psz_vod_session,
+ int64_t *p_npt );
+
+/* RTP packetization */
+void rtp_packetize_common (sout_stream_id_t *id, block_t *out,
+ int b_marker, int64_t i_pts);
+void rtp_packetize_send (sout_stream_id_t *id, block_t *out);
+size_t rtp_mtu (const sout_stream_id_t *id);
+
+int rtp_packetize_xiph_config( sout_stream_id_t *id, const char *fmtp,
+ int64_t i_pts );
+
+/* RTCP */
+typedef struct rtcp_sender_t rtcp_sender_t;
+rtcp_sender_t *OpenRTCP (vlc_object_t *obj, int rtp_fd, int proto,
+ bool mux);
+void CloseRTCP (rtcp_sender_t *rtcp);
+void SendRTCP (rtcp_sender_t *restrict rtcp, const block_t *rtp);
+
+typedef int (*pf_rtp_packetizer_t)( sout_stream_id_t *, block_t * );
+
+typedef struct rtp_format_t