修复点播与录像回放sdp信息sdp-ip的取值错误，修复回放信令错误

648540858

2021-10-15 6dc4b8a79a07857f415e6da3955f8c14eafca38a

 src/main/java/com/genersoft/iot/vmp/vmanager/gb28181/playback/DownloadController.java

@@ -103,7 +103,7 @@
         return result;
      }

      SSRCInfo ssrcInfo = mediaServerService.openRTPServer(newMediaServerItem, null);
      SSRCInfo ssrcInfo = mediaServerService.openRTPServer(newMediaServerItem, null, true);

      cmder.downloadStreamCmd(newMediaServerItem, ssrcInfo, device, channelId, startTime, endTime, downloadSpeed, (MediaServerItem mediaServerItem, JSONObject response) -> {
         logger.info("收到订阅消息： " + response.toJSONString());