统一代码风格

src/Rtsp/RtspMediaSourceImp.h

@@ -89,8 +89,9 @@ public:
             _muxer->addTrack(track);
             track->addDelegate(_muxer);
         }
-        if(this->_all_demuxer_track_ready)
+        if (_all_demuxer_track_ready) {
             this->addTrackCompleted();
+        }
     }
 
     /**
@@ -110,7 +111,7 @@ public:
         if (_muxer) {
             _muxer->addTrackCompleted();
         }
-        this->_all_demuxer_track_ready = true;
+        _all_demuxer_track_ready = true;
     }
 
     void resetTracks() override {