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[core] RTP: handle flush for incoming stream with DTX or packet loss.

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Dragos Oancea 2021-03-31 13:49:59 +00:00 committed by Andrey Volk
parent 73569bb1f7
commit 7fc5d9a7c3
1 changed files with 4 additions and 1 deletions
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5
src/switch_rtp.c
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@ -390,6 +390,7 @@ struct switch_rtp {
//uint32_t last_clock_ts; //uint32_t last_clock_ts;
uint32_t last_write_ts; uint32_t last_write_ts;
uint32_t last_read_ts; uint32_t last_read_ts;
uint32_t prev_read_ts;
uint32_t last_cng_ts; uint32_t last_cng_ts;
uint32_t last_write_samplecount; uint32_t last_write_samplecount;
uint32_t delay_samples; uint32_t delay_samples;
@ -6413,6 +6414,7 @@ static switch_status_t read_rtp_packet(switch_rtp_t *rtp_session, switch_size_t
} }
if (ts) { if (ts) {
rtp_session->prev_read_ts = rtp_session->last_read_ts;
rtp_session->last_read_ts = ts; rtp_session->last_read_ts = ts;
} }
@ -6488,7 +6490,8 @@ static switch_status_t read_rtp_packet(switch_rtp_t *rtp_session, switch_size_t
} }
} else { } else {
if (rtp_session->last_rtp_hdr.m && rtp_session->last_rtp_hdr.pt != rtp_session->recv_te && if (rtp_session->last_rtp_hdr.m && rtp_session->last_rtp_hdr.pt != rtp_session->recv_te &&
!rtp_session->flags[SWITCH_RTP_FLAG_VIDEO] && !(rtp_session->rtp_bugs & RTP_BUG_IGNORE_MARK_BIT)) { !rtp_session->flags[SWITCH_RTP_FLAG_VIDEO] && !(rtp_session->rtp_bugs & RTP_BUG_IGNORE_MARK_BIT) &&
rtp_session->last_read_ts - rtp_session->prev_read_ts < rtp_session->samples_per_interval * 3) {
switch_rtp_set_flag(rtp_session, SWITCH_RTP_FLAG_FLUSH); switch_rtp_set_flag(rtp_session, SWITCH_RTP_FLAG_FLUSH);
} else if (rtp_session->last_jb_read_ssrc && rtp_session->last_jb_read_ssrc != read_ssrc) { } else if (rtp_session->last_jb_read_ssrc && rtp_session->last_jb_read_ssrc != read_ssrc) {
switch_rtp_set_flag(rtp_session, SWITCH_RTP_FLAG_FLUSH); switch_rtp_set_flag(rtp_session, SWITCH_RTP_FLAG_FLUSH);