默认含有音频通道，改为播放时判断音频编码

Lawrence

2020-10-19 5ab432856deb79c26a3b4ea05e8582acf9e80cdc

 src/main/java/com/genersoft/iot/vmp/gb28181/SipLayer.java

@@ -103,7 +103,7 @@
      ListeningPoint udpListeningPoint = sipStack.createListeningPoint(sipConfig.getSipIp(), sipConfig.getSipPort(), "UDP");

      SipProvider udpSipProvider = sipStack.createSipProvider(udpListeningPoint);

      udpSipProvider.addSipListener(this);

      logger.info("Sip Server TCP 启动成功 port {" + sipConfig.getSipPort() + "}");

      logger.info("Sip Server UDP 启动成功 port {" + sipConfig.getSipPort() + "}");

      return udpSipProvider;

   }