openRtpServer udp多端口模式默认绑定发送端地址，防止多路同时推流时ssrc冲突问题

src/Rtp/RtpServer.cpp

@@ -192,12 +192,18 @@ void RtpServer::start(uint16_t local_port, const string &stream_id, TcpMode tcp_
         helper = std::make_shared<RtcpHelper>(std::move(rtcp_socket), stream_id);
         helper->startRtcp();
         helper->setRtpServerInfo(local_port,tcp_mode,re_use_port,ssrc);
-        rtp_socket->setOnRead([rtp_socket, helper, ssrc](const Buffer::Ptr &buf, struct sockaddr *addr, int addr_len) {
+        bool bind_peer_addr = false;
+        rtp_socket->setOnRead([rtp_socket, helper, ssrc, bind_peer_addr](const Buffer::Ptr &buf, struct sockaddr *addr, int addr_len) mutable {
             RtpHeader *header = (RtpHeader *)buf->data();
             auto rtp_ssrc = ntohl(header->ssrc);
             if (ssrc && rtp_ssrc != ssrc) {
                 WarnL << "ssrc不匹配,rtp已丢弃:" << rtp_ssrc << " != " << ssrc;
             } else {
+                if (!bind_peer_addr) {
+                    //绑定对方ip+端口，防止多个设备或一个设备多次推流从而日志报ssrc不匹配问题
+                    bind_peer_addr = true;
+                    rtp_socket->bindPeerAddr(addr, addr_len);
+                }
                 helper->onRecvRtp(rtp_socket, buf, addr);
             }
         });