gb28181简单解包rtp ps流，推出rtmp（java版基于springboot）：五、基于netty创建接收流的udp和tcp服务器

解析流程参考 https://blog.youkuaiyun.com/chen495810242/article/details/39207305

代码基于github上的修改 https://github.com/yangjiechina/JGB28181

流解析的代码长时间测试海康摄像时还不稳定，所以主要以学习为主，有知道的大佬欢迎指点下=。=

udp服务构建

import com.fengyulei.fylsipserver.config.ConfigInfo;
import io.netty.bootstrap.Bootstrap;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelOption;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.nio.NioDatagramChannel;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import javax.annotation.PostConstruct;
//创建方式和sip的服务器创建差不多
@Component
public class MediaUdpServer implements Runnable{
   

    private static final Logger logger = LoggerFactory.getLogger(MediaUdpServer.class);

    @Autowired
    private ConfigInfo configInfo;
	//udp模式，直接注入
    @Autowired
    private MediaUdpHandler mediaUdpHandler;

    private Bootstrap bootstrap = null;
    private EventLoopGroup workerGroup = null;

    private Integer port;

	//跟随springboot异步启动
    @PostConstruct
    private void init(){
   
        this.port=configInfo.getMediaUdpTcpServerPort();
        Thread thread=new Thread(this);
        thread.setDaemon(true);
        thread.setName("media udp server");
        thread.start();
    }

    @Override
    public void run(){
   
        workerGroup= new NioEventLoopGroup();
        try {
   
            bootstrap = new Bootstrap();
            bootstrap.group(workerGroup)//
                    .channel(NioDatagramChannel.class) //
                    .option(ChannelOption.SO_RCVBUF,1024*1024)
                    .handler(new ChannelInitializer<NioDatagramChannel>() {
    //
                        @Override
                        public void initChannel(NioDatagramChannel ch) throws Exception {
   
                            //udp可以使用单例Handler netty udp只有一个通道
                            ch.pipeline().addLast(mediaUdpHandler);
                        }
                    });
            logger.info("UDP服务启动成功port:{}", port);
            bootstrap.bind(port).