Project - Add CantConnectCamera.jpg. AppConstant: Add CAMERA_FAILED_IMAGE_PATH. Camera: Add Event OnOpenVideoStreamFailed. LaneIn: Add Event handler for OnOpenVideoStreamFailed

AIParkingApplication/AIParkingApplication.csproj

@@ -139,6 +139,9 @@
     <None Include="App.config" />
   </ItemGroup>
   <ItemGroup>
+    <Content Include="Images\CantConnectCamera.jpg">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
     <Content Include="plate.xml">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
@@ -146,6 +149,7 @@
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
   </ItemGroup>
+  <ItemGroup />
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <Target Name="EnsureNuGetPackageBuildImports" BeforeTargets="PrepareForBuild">
     <PropertyGroup>

AIParkingApplication/AIParkingApplicationForm.Designer.cs

@@ -28,13 +28,37 @@
         /// </summary>
         private void InitializeComponent()
         {
+            this.button1 = new System.Windows.Forms.Button();
+            this.button2 = new System.Windows.Forms.Button();
             this.SuspendLayout();
             // 
+            // button1
+            // 
+            this.button1.Location = new System.Drawing.Point(840, 223);
+            this.button1.Name = "button1";
+            this.button1.Size = new System.Drawing.Size(75, 23);
+            this.button1.TabIndex = 0;
+            this.button1.Text = "button1";
+            this.button1.UseVisualStyleBackColor = true;
+            this.button1.Click += new System.EventHandler(this.button1_Click);
+            // 
+            // button2
+            // 
+            this.button2.Location = new System.Drawing.Point(840, 267);
+            this.button2.Name = "button2";
+            this.button2.Size = new System.Drawing.Size(75, 23);
+            this.button2.TabIndex = 0;
+            this.button2.Text = "button1";
+            this.button2.UseVisualStyleBackColor = true;
+            this.button2.Click += new System.EventHandler(this.button2_Click);
+            // 
             // AIParkingApplicationForm
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
             this.ClientSize = new System.Drawing.Size(1350, 729);
+            this.Controls.Add(this.button2);
+            this.Controls.Add(this.button1);
             this.MinimumSize = new System.Drawing.Size(1366, 768);
             this.Name = "AIParkingApplicationForm";
             this.Text = "AIParking Application";
@@ -43,6 +67,9 @@
         }
 
         #endregion
+
+        private System.Windows.Forms.Button button1;
+        private System.Windows.Forms.Button button2;
     }
 }
 

AIParkingApplication/AIParkingApplicationForm.cs

@@ -4,14 +4,26 @@ namespace AIParkingApplication
 {
     public partial class AIParkingApplicationForm : Form
     {
+        //@"C:\CongRa_1.mp4"; @"C:\HS_test.mp4";  @"rtsp://wowzaec2demo.streamlock.net/vod/mp4:BigBuckBunny_115k.mov"
+        LaneIn laneIn = new LaneIn(@"C:\HS_test.mp4", @"rtsp://wowzaec2demo.streamlock.net/vod/mp4:BigBuckBunny_115k.mov", true, false, false); 
         public AIParkingApplicationForm()
         {
             InitializeComponent();
-            LaneIn laneIn = new LaneIn(@"C:\HS_test.mp4", @"rtsp://wowzaec2demo.streamlock.net/vod/mp4:BigBuckBunny_115k.mov", true, true); //@"C:\CongRa_1.mp4";
+            
             //LaneIn laneOut = new LaneIn();
             Controls.Add(laneIn);
             //laneOut.Location = new System.Drawing.Point(550, 0);
             //Controls.Add(laneOut);
         }
+
+        private void button1_Click(object sender, System.EventArgs e)
+        {
+            laneIn.Stop();
+        }
+
+        private void button2_Click(object sender, System.EventArgs e)
+        {
+            laneIn.Start();
+        }
     }
 }

AIParkingApplication/AppConstant.cs

@@ -7,5 +7,7 @@
         public const string ERROR_TITLE = "Lỗi";
         public const string DATETIME_FORMAT = "HH:mm:ss dd/MM/yyyy";
         #endregion
+
+        public const string CAMERA_FAILED_IMAGE_PATH = @"Images\CantConnectCamera.jpg";
     }
 }

AIParkingApplication/Camera.cs

@@ -4,6 +4,7 @@ using System.Threading;
 namespace AIParkingApplication
 {
     public delegate void CameraEvent(Mat videoFrame);
+
     public class Camera
     {
         private string streamUrl;
@@ -12,6 +13,7 @@ namespace AIParkingApplication
 
         public event CameraEvent OnVideoFrameReceived;
         public event CameraEvent OnOneVideoFrameRequested;
+        public event CameraEvent OnOpenVideoStreamFailed;
 
         public Camera(string streamUrl)
         {
@@ -43,10 +45,11 @@ namespace AIParkingApplication
 
         public void ReadVideoStream()
         {
-            VideoCapture videoCapture = new VideoCapture();
+            VideoCapture videoCapture = new VideoCapture();     //TODO: Need to dispose this videoCapture?
             Mat videoFrame = new Mat();
             if (!videoCapture.Open(streamUrl))
             {
+                OnOpenVideoStreamFailed?.Invoke(Cv2.ImRead(AppConstant.CAMERA_FAILED_IMAGE_PATH));
                 return;
             }
 

AIParkingApplication/LaneIn.cs

@@ -1,9 +1,9 @@
-using OpenCvSharp;
+using System;
-using OpenCvSharp.Extensions;
-using System;
 using System.Threading;
 using System.Threading.Tasks;
 using System.Windows.Forms;
+using OpenCvSharp;
+using OpenCvSharp.Extensions;
 
 namespace AIParkingApplication
 {
@@ -29,13 +29,33 @@ namespace AIParkingApplication
 
             plateCamera.OnVideoFrameReceived += PlateCameraOnVideoFrameReceived;
             plateCamera.OnOneVideoFrameRequested += PlateCamera_OnOneVideoFrameRequested;
+            plateCamera.OnOpenVideoStreamFailed += PlateCamera_OnOpenVideoStreamFailed;
 
             overviewCamera.OnVideoFrameReceived += OverviewCameraOnVideoFrameReceived;
             overviewCamera.OnOneVideoFrameRequested += OverviewCamera_OnOneVideoFrameRequested;
+            overviewCamera.OnOpenVideoStreamFailed += OverviewCamera_OnOpenVideoStreamFailed;
 
             plateProcessor = new PlateProcessor(this.isSupportSquarePlate, this.isSupportLongPlate);
         }
 
+        private void PlateCamera_OnOpenVideoStreamFailed(Mat videoFrame)
+        {
+            pictureBoxPlateVideo.Invoke(new Action(() =>
+            {
+                pictureBoxPlateVideo.Image?.Dispose();
+                pictureBoxPlateVideo.Image = videoFrame.ToBitmap();
+            }));
+        }
+
+        private void OverviewCamera_OnOpenVideoStreamFailed(Mat videoFrame)
+        {
+            pictureBoxOverviewVideo.Invoke(new Action(() =>
+            {
+                pictureBoxOverviewImage.Image?.Dispose();
+                pictureBoxOverviewVideo.Image = videoFrame.ToBitmap();
+            }));
+        }
+
         private void OverviewCamera_OnOneVideoFrameRequested(Mat videoFrame)
         {
             try