change rtspview.

src/tool/rtspview/mainwindow.cpp

@@ -27,6 +27,8 @@ MainWindow::MainWindow(QWidget *parent) :
     mmyview->setGeometry(QRect(30, 30, 600, 600));
     mmyview->setCacheMode(mmyview->CacheBackground);
 
+    mpImageCam = new QImage;
+
     mpsceneImg = new QGraphicsScene;
 
     connect(this,SIGNAL(CamUpdate()),this,SLOT(onCamUpdate()));

src/tool/rtspview/mainwindow.h

@@ -56,7 +56,7 @@ private:
     QGraphicsScene * mpsceneImg;
 
     QImage * mpImageCam;
-    bool mbCamUpdate;
+    bool mbCamUpdate = false;
     QMutex mMutexCam;
 
 public: