Pause() public méthode

Pause the grab process if it is running.
public Pause ( ) : void
Résultat void
Exemple #1
0
      public void TestFileCapturePause()
      {
         
         int totalFrames1 = 0;

         Capture capture1 = new Capture(EmguAssert.GetFile("tree.avi"));
        
         //capture one will continute capturing all the frames.
         EventHandler captureHandle1 = delegate
         {
            Mat img = new Mat();
            capture1.Retrieve(img);
            totalFrames1++;
            Trace.WriteLine(String.Format("capture 1 frame {0}: {1}", totalFrames1, DateTime.Now.ToString()));
         };
         capture1.ImageGrabbed += captureHandle1;
         capture1.Start();

         System.Threading.Thread.Sleep(2);
         int totalFrames2 = 0;
         Capture capture2 = new Capture(EmguAssert.GetFile("tree.avi"));
         int counter = 0;
         //capture 2 will capture 2 frames, pause for 1 seconds, then continute;
         EventHandler captureHandle = delegate
         {
            counter++;
            totalFrames2++;

            bool needPause = (counter >= 2);
            if (needPause)
            {
               capture2.Pause();
               counter = 0;
            }

            Mat img = new Mat();
             capture2.Retrieve(img);
            Trace.WriteLine(String.Format("capture 2 frame {0}: {1}", totalFrames2, DateTime.Now.ToString()));

            if (needPause)
            {
               System.Threading.ThreadPool.QueueUserWorkItem(delegate
                  {
                     Trace.WriteLine("Sleep for 1 sec");
                     System.Threading.Thread.Sleep(1000);
                     capture2.Start();
                  });
            }

         };

         capture2.ImageGrabbed += captureHandle;
         capture2.Start();


         //int totalFrames = 69;
         Stopwatch s = Stopwatch.StartNew();
         while (! (totalFrames1 == totalFrames2))
         {
            System.Threading.Thread.Sleep(1000);

            if (s.ElapsedMilliseconds > 120 * 1000)
            {
               EmguAssert.IsTrue(false, "Unable to finished reading frames in 2 mins");
               break;
            }
         }
         capture1.Dispose();
         capture2.Dispose();
      }