feat:叠加字幕+视频循环播放，测试通过。

28.GISports/GISportService/FilePlayer.cs

@@ -400,7 +400,7 @@ namespace GISportService
                         //    audioThreadMethodHelper.enumstate = TantaEVRPlayerStateEnum.OpenPending;
                         //    audioThread.Start(audioThreadMethodHelper); ;//构建拓扑 音频流    
                         //} 
-                        Thread.Sleep(HEARTBEAT_DELAYTIME*1000);
+                        Thread.Sleep(HEARTBEAT_DELAYTIME);
                     }
                     catch (Exception ex)
                     {

28.GISports/GISportService/bin/Debug/OISBaseApp.log

@@ -409,3 +409,9 @@
 12/27/2018 09:54:30 GISportService.FilePlayer: ctlTantaEVRFilePlayer_SizeChanged
 12/27/2018 09:59:30 GISportService.FilePlayer: ctlTantaEVRFilePlayer_SizeChanged
 12/27/2018 09:59:30 GISportService.FilePlayer: ctlTantaEVRFilePlayer_SizeChanged
+12/27/2018 16:50:52 GISportService.FilePlayer: ctlTantaEVRFilePlayer_SizeChanged
+12/27/2018 16:50:52 GISportService.FilePlayer: ctlTantaEVRFilePlayer_SizeChanged
+12/27/2018 16:56:10 GISportService.FilePlayer: ctlTantaEVRFilePlayer_SizeChanged
+12/27/2018 16:56:10 GISportService.FilePlayer: ctlTantaEVRFilePlayer_SizeChanged
+12/27/2018 16:58:35 GISportService.FilePlayer: ctlTantaEVRFilePlayer_SizeChanged
+12/27/2018 16:58:35 GISportService.FilePlayer: ctlTantaEVRFilePlayer_SizeChanged