webrtc 视频接收过程一

原创于 2025-12-05 09:45:56 发布 · 117 阅读

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#webrtc #音视频

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PhysicalSocketServer::Wait
                 |
AsyncUDPSocket::OnReadEvent //windows 通过信号槽的方式发送
                 |
AllocationSequence::OnReadPacket //win 接收槽
                 |
UDPPort::HandleIncomingPacket
                 |
UDPPort::OnReadPacket //udp 接收到数据 分给对应的connection（dtls-srtp），是根据ip-port对应
                 |
Connection::OnReadPacket //win 通过信号槽方式
                 |
P2PTransportChannel::OnReadPacket //槽
                 |
DtlsTransport::OnReadPacket  // win 通过信号槽方式,
                 | 判断是rtp传递给
RtpTransport::OnReadPacket 
                 | OnRtcpPacketReceived
                 | OnRtpPacketReceived  //区分是rtp 还是rtcp
                 |
SrtpTransport::OnRtpPacketReceived //srtp 解密
                 |
RtpTransport::DemuxPacket
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RtpDemuxer::OnRtpPacket  //把解密后的rtp分发到媒体通道
                 |
BaseChannel::OnRtpPacket
                 |
WebRtcVideoChannel::OnPacketReceived