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Code Issues Releases Wiki Activity

RTC: Always keep and use original sequence.

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This commit is contained in:
winlin 2020-06-28 11:40:49 +08:00
parent 6662568c11
commit 75fbcba71d
6 changed files with 7 additions and 76 deletions
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37
trunk/src/app/srs_app_rtc_conn.cpp
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@ -273,9 +273,6 @@ SrsRtcPlayer::SrsRtcPlayer(SrsRtcSession* s, string parent_cid)
session_ = s;
audio_sequence = 0;
video_sequence = 0;
sequence_delta = 0;
mw_msgs = 0;
realtime = true;
@ -285,7 +282,6 @@ SrsRtcPlayer::SrsRtcPlayer(SrsRtcSession* s, string parent_cid)
nn_simulate_nack_drop = 0;
nack_enabled_ = false;
keep_sequence_ = false;
_srs_config->subscribe(this);
}
@ -311,18 +307,8 @@ srs_error_t SrsRtcPlayer::initialize(const uint32_t& vssrc, const uint32_t& assr
// TODO: FIXME: Support reload.
nack_enabled_ = _srs_config->get_rtc_nack_enabled(session_->req->vhost);
keep_sequence_ = _srs_config->get_rtc_keep_sequence(session_->req->vhost);
if (!session_->sequence_startup.empty()) {
audio_sequence = video_sequence = uint16_t(::atoi(session_->sequence_startup.c_str()));
}
if (!session_->sequence_delta.empty()) {
sequence_delta = uint16_t(::atoi(session_->sequence_delta.c_str()));
}
if (!session_->sequence_keep.empty()) {
keep_sequence_ = (session_->sequence_keep == "true");
}
srs_trace("RTC player video(ssrc=%d, pt=%d), audio(ssrc=%d, pt=%d), nack=%d, keep-seq=%d, sequence(audio=%u,video=%u,delta=%u)",
video_ssrc, video_payload_type, audio_ssrc, audio_payload_type, nack_enabled_, keep_sequence_, audio_sequence, video_sequence, sequence_delta);
srs_trace("RTC player video(ssrc=%d, pt=%d), audio(ssrc=%d, pt=%d), nack=%d",
video_ssrc, video_payload_type, audio_ssrc, audio_payload_type, nack_enabled_);
if (_srs_rtc_hijacker) {
if ((err = _srs_rtc_hijacker->on_start_play(session_, this, session_->req)) != srs_success) {
@ -495,36 +481,21 @@ srs_error_t SrsRtcPlayer::send_packets(SrsRtcSource* source, const vector<SrsRtp
// Update stats.
info.nn_bytes += pkt->nb_bytes();
uint16_t oseq = pkt->header.get_sequence();
if (pkt->is_audio()) {
info.nn_audios++;
if (!keep_sequence_) {
// TODO: FIXME: Should keep the order by original sequence.
pkt->header.set_sequence(sequence_delta + audio_sequence++);
} else {
pkt->header.set_sequence(sequence_delta + oseq);
}
pkt->header.set_ssrc(audio_ssrc);
pkt->header.set_payload_type(audio_payload_type);
// TODO: FIXME: Padding audio to the max payload in RTP packets.
} else {
info.nn_videos++;
if (!keep_sequence_) {
// TODO: FIXME: Should keep the order by original sequence.
pkt->header.set_sequence(sequence_delta + video_sequence++);
} else {
pkt->header.set_sequence(sequence_delta + oseq);
}
pkt->header.set_ssrc(video_ssrc);
pkt->header.set_payload_type(video_payload_type);
}
// Detail log, should disable it in release version.
srs_info("RTC: Update PT=%u, SSRC=%#x, OSEQ=%u, SEQ=%u, Time=%u, %u bytes", pkt->header.get_payload_type(), pkt->header.get_ssrc(),
oseq, pkt->header.get_sequence(), pkt->header.get_timestamp(), pkt->nb_bytes());
srs_info("RTC: Update PT=%u, SSRC=%#x, Time=%u, %u bytes", pkt->header.get_payload_type(), pkt->header.get_ssrc(),
pkt->header.get_timestamp(), pkt->nb_bytes());
}
// By default, we send packets by sendmmsg.