增加数据格式检验，避免设备返回错误格式造成抛错误

Lawrence

2021-01-27 c223d4e4ec4e908d12776f22f48b99ff4525aed1

 src/main/java/com/genersoft/iot/vmp/gb28181/session/VideoStreamSessionManager.java

@@ -17,13 +17,11 @@
   private ConcurrentHashMap<String, ClientTransaction> sessionMap = new ConcurrentHashMap<>();



   public String createPlaySsrc(){

      String ssrc = SsrcUtil.getPlaySsrc();

      return ssrc;

      return SsrcUtil.getPlaySsrc();

   }

   

   public String createPlayBackSsrc(){

      String ssrc = SsrcUtil.getPlayBackSsrc();

      return ssrc;

      return SsrcUtil.getPlayBackSsrc();

   }

   

   public void put(String ssrc,ClientTransaction transaction){