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防止nack异步触发时对象析构导致的崩溃

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This commit is contained in:
ziyue 2021-07-27 20:58:01 +08:00
parent b1dc285649
commit 80ab84cbb5
1 changed files with 7 additions and 2 deletions
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9
webrtc/WebRtcTransport.cpp
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@ -760,10 +760,15 @@ void WebRtcTransportImp::onRtcp(const char *buf, size_t len) {
void WebRtcTransportImp::createRtpChannel(const string &rid, uint32_t ssrc, const MediaTrack::Ptr &track) {
//rid --> RtpReceiverImp
auto &ref = track->rtp_channel[rid];
weak_ptr<WebRtcTransportImp> weak_self = dynamic_pointer_cast<WebRtcTransportImp>(shared_from_this());
ref = std::make_shared<RtpChannel>(getPoller(),[track, this, rid](RtpPacket::Ptr rtp) mutable {
onSortedRtp(*track, rid, std::move(rtp));
}, [track, this, ssrc](const FCI_NACK &nack) mutable {
onSendNack(*track, nack, ssrc);
}, [track, weak_self, ssrc](const FCI_NACK &nack) mutable {
//nack发送可能由定时器异步触发
auto strong_self = weak_self.lock();
if (strong_self) {
strong_self->onSendNack(*track, nack, ssrc);
}
});
InfoL << "create rtp receiver of ssrc:" << ssrc << ", rid:" << rid << ", codec:" << track->plan_rtp->codec;
}