FS-7434 reset jitter buffer when SSRC changes

diff --git a/src/switch_rtp.c b/src/switch_rtp.c
index 50206a91b8cd3b2fea9a0e187e65c654d866d4b3..62601ecef42fda0706a7614e849c02d8278fc64f 100644 (file)
--- a/src/switch_rtp.c
+++ b/src/switch_rtp.c
@@ -328,6 +328,7 @@ struct switch_rtp {
        uint16_t seq;
        uint32_t ssrc;
        uint32_t remote_ssrc;
+       uint32_t last_read_ssrc;
        int8_t sending_dtmf;
        uint8_t need_mark;
        switch_payload_t payload;
@@ -5067,10 +5068,14 @@ static switch_status_t read_rtp_packet(switch_rtp_t *rtp_session, switch_size_t
 
 
        if (rtp_session->jb && !rtp_session->pause_jb && jb_valid(rtp_session) && rtp_session->recv_msg.header.version == 2 && *bytes) {
+               uint32_t read_ssrc = ntohl((uint32_t)rtp_session->recv_msg.header.ssrc);
                if (rtp_session->recv_msg.header.m && rtp_session->recv_msg.header.pt != rtp_session->recv_te && 
                        !rtp_session->flags[SWITCH_RTP_FLAG_VIDEO] && !(rtp_session->rtp_bugs & RTP_BUG_IGNORE_MARK_BIT)) {
                        stfu_n_reset(rtp_session->jb);
+               } else if (rtp_session->last_read_ssrc && rtp_session->last_read_ssrc != read_ssrc) {
+                       stfu_n_reset(rtp_session->jb);
                }
+               rtp_session->last_read_ssrc = read_ssrc;
 
                if (!rtp_session->flags[SWITCH_RTP_FLAG_USE_TIMER] && rtp_session->timer.interval) {
                        switch_core_timer_sync(&rtp_session->timer);