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RTC: Check error for send_periodic_twcc

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This commit is contained in:
winlin 2020-08-05 17:46:56 +08:00
parent f149c84dd0
commit 5c853e02ee
2 changed files with 21 additions and 26 deletions
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46
trunk/src/app/srs_app_rtc_conn.cpp
View file

@ -808,7 +808,6 @@ SrsRtcPublishStream::SrsRtcPublishStream(SrsRtcConnection* session)
nn_audio_frames = 0;
twcc_id_ = 0;
last_twcc_feedback_time_ = 0;
twcc_fb_count_ = 0;
}
@ -1133,30 +1132,25 @@ void SrsRtcPublishStream::on_before_decode_payload(SrsRtpPacket2* pkt, SrsBuffer
srs_error_t SrsRtcPublishStream::send_periodic_twcc()
{
srs_error_t err = srs_success;
srs_utime_t now = srs_get_system_time();
if(0 == last_twcc_feedback_time_) {
last_twcc_feedback_time_ = now;
return err;
}
srs_utime_t diff = now - last_twcc_feedback_time_;
if( diff >= 50 * SRS_UTIME_MILLISECONDS) {
last_twcc_feedback_time_ = now;
char pkt[kRtcpPacketSize];
SrsBuffer *buffer = new SrsBuffer(pkt, sizeof(pkt));
SrsAutoFree(SrsBuffer, buffer);
rtcp_twcc_.set_feedback_count(twcc_fb_count_);
twcc_fb_count_++;
if((err = rtcp_twcc_.encode(buffer)) != srs_success) {
return srs_error_wrap(err, "fail to generate twcc feedback packet");
}
int nb_protected_buf = buffer->pos();
char protected_buf[kRtpPacketSize];
if (session_->transport_->protect_rtcp(pkt, protected_buf, nb_protected_buf) == srs_success) {
session_->sendonly_skt->sendto(protected_buf, nb_protected_buf, 0);
}
char pkt[kRtcpPacketSize];
SrsBuffer *buffer = new SrsBuffer(pkt, sizeof(pkt));
SrsAutoFree(SrsBuffer, buffer);
rtcp_twcc_.set_feedback_count(twcc_fb_count_);
twcc_fb_count_++;
if((err = rtcp_twcc_.encode(buffer)) != srs_success) {
return srs_error_wrap(err, "encode, count=%u", twcc_fb_count_);
}
return err;
int nb_protected_buf = buffer->pos();
char protected_buf[kRtpPacketSize];
if ((err = session_->transport_->protect_rtcp(pkt, protected_buf, nb_protected_buf)) != srs_success) {
return srs_error_wrap(err, "protect rtcp, size=%u", nb_protected_buf);
}
return session_->sendonly_skt->sendto(protected_buf, nb_protected_buf, 0);
}
srs_error_t SrsRtcPublishStream::on_rtcp(char* data, int nb_data)
@ -1530,10 +1524,12 @@ srs_error_t SrsRtcPublishStream::notify(int type, srs_utime_t interval, srs_utim
srs_freep(err);
}
// TODO: FIXME: Check error.
// We should not depends on the received packet,
// instead we should send feedback every Nms.
send_periodic_twcc();
if ((err = send_periodic_twcc()) != srs_success) {
srs_warn("TWCC err %s", srs_error_desc(err).c_str());
srs_freep(err);
}
}
return err;

1
trunk/src/app/srs_app_rtc_conn.hpp
View file

@ -242,7 +242,6 @@ private:
std::vector<SrsRtcAudioRecvTrack*> audio_tracks_;
std::vector<SrsRtcVideoRecvTrack*> video_tracks_;
private:
srs_utime_t last_twcc_feedback_time_;
int twcc_id_;
uint8_t twcc_fb_count_;
SrsRtcpTWCC rtcp_twcc_;