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初步实现twcc rtcp发送

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This commit is contained in:
xiongziliang
2021-10-07 14:22:12 +08:00
parent ea1fa03f13
commit 29cc6a94f2
4 changed files with 35 additions and 15 deletions
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13
webrtc/WebRtcTransport.cpp
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@@ -332,6 +332,10 @@ void WebRtcTransportImp::onCreate(){
}
return true;
}, getPoller());
_twcc_ctx.setOnSendTwccCB([this](uint32_t ssrc, string fci) {
onSendTwcc(ssrc, fci);
});
}
WebRtcTransportImp::WebRtcTransportImp(const EventPoller::Ptr &poller) : WebRtcTransport(poller) {
@@ -810,7 +814,7 @@ void WebRtcTransportImp::onRtp(const char *buf, size_t len) {
string rid;
auto twcc_ext = track->rtp_ext_ctx->changeRtpExtId(rtp, true, &rid, RtpExtType::transport_cc);
if (twcc_ext && !is_rtx) {
_twcc_ctx.onRtp(twcc_ext.getTransportCCSeq());
_twcc_ctx.onRtp(ssrc, twcc_ext.getTransportCCSeq());
}
auto &ref = track->rtp_channel[rid];
@@ -865,6 +869,13 @@ void WebRtcTransportImp::onSendNack(MediaTrack &track, const FCI_NACK &nack, uin
sendRtcpPacket((char *) rtcp.get(), rtcp->getSize(), true);
}
void WebRtcTransportImp::onSendTwcc(uint32_t ssrc, const string &twcc_fci) {
auto rtcp = RtcpFB::create(RTPFBType::RTCP_RTPFB_TWCC, twcc_fci.data(), twcc_fci.size());
rtcp->ssrc = htons(0);
rtcp->ssrc_media = htonl(ssrc);
sendRtcpPacket((char *) rtcp.get(), rtcp->getSize(), true);
}
///////////////////////////////////////////////////////////////////
void WebRtcTransportImp::onSortedRtp(MediaTrack &track, const string &rid, RtpPacket::Ptr rtp) {