Added initial webcam support with OpenCV.

Due to OpenCV's size I am not distributing OpenCV binaries in my repository. Download OpenCV and put it in x64 and x86 folder. Emgu CV relies on .Net 3.5, so I had to switch to that framework as well. OpenCV has the big advantage that it will work on Linux too, unlike solutions based on DirectShow. Currently the default device is used for capturing which will be changed in later revisions. We could also use some video filters provided by OpenCV e.g grayscale or canny edges.

Vocaluxe/Base/CConfig.cs

@@ -87,6 +87,11 @@ namespace Vocaluxe.Base
         OpenAL
     }
 
+    public enum EWebcamLib
+    {
+        OpenCV
+    }
+
     public enum ERecordLib
     {
 #if WIN
@@ -255,6 +260,7 @@ namespace Vocaluxe.Base
         // Record
         public static SMicConfig[] MicConfig;
         public static int MicDelay = 300;   //[ms]
+        public static EWebcamLib WebcamLib = EWebcamLib.OpenCV;
 
         //Lists to save parameters and values
         private static List<string> _Params = new List<string>();
@@ -448,6 +454,8 @@ namespace Vocaluxe.Base
                 if (MicDelay > 500)
                     MicDelay = 500;
 
+                CHelper.TryGetEnumValueFromXML<EWebcamLib>("//root/Record/WebcamLib", navigator, ref WebcamLib);
+
                 #endregion Record
 
                 return true;
@@ -692,6 +700,9 @@ namespace Vocaluxe.Base
             writer.WriteComment("Mic delay in ms. 0, 20, 40, 60 ... 500");
             writer.WriteElementString("MicDelay", MicDelay.ToString());
 
+            writer.WriteComment("WebcamLib: " + ListStrings(Enum.GetNames(typeof(EWebcamLib))));
+            writer.WriteElementString("WebcamLib", Enum.GetName(typeof(EWebcamLib), WebcamLib));
+
             writer.WriteEndElement();
             #endregion Record
 

Vocaluxe/Base/CWebcam.cs

@@ -0,0 +1,50 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+using Vocaluxe.Lib.Webcam;
+using Vocaluxe.Lib.Draw;
+
+namespace Vocaluxe.Base
+{
+    static class CWebcam
+    {
+        private static IWebcam _Webcam;
+
+        public static void Init()
+        {
+            switch (CConfig.WebcamLib)
+            {
+                case EWebcamLib.OpenCV:
+                    _Webcam = new COpenCV();
+                    break;
+
+                default:
+                    _Webcam = new COpenCV();
+                    break;
+            }
+            _Webcam.Init();
+        }
+
+        public static bool GetFrame(ref STexture tex)
+        {
+            _Webcam.GetFrame(ref tex);
+            return true;
+        }
+
+        public static void Close()
+        {
+            _Webcam.Close();
+        }
+
+        public static void Pause()
+        {
+            _Webcam.Pause();
+        }
+
+        public static void Start()
+        {
+            _Webcam.Start();
+        }
+    }
+}

Vocaluxe/Lib/Webcam/COpenCV.cs

@@ -0,0 +1,80 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using Emgu.CV;
+using Emgu.CV.Structure;
+using Emgu.Util;
+using Vocaluxe.Base;
+using System.Drawing;
+using System.Drawing.Imaging;
+using System.Runtime.InteropServices;
+
+namespace Vocaluxe.Lib.Webcam
+{
+    class COpenCV : IWebcam
+    {
+        Image<Bgr, Byte> _CurrentFrame;
+        Capture _CaptureDevice;
+
+        Object Mutex = new Object();
+
+        public bool Init()
+        {
+            //Create a new default Capture
+            _CaptureDevice = new Capture();
+            if (_CaptureDevice != null)
+                _CaptureDevice.ImageGrabbed += OnImageGrabbed;
+
+            return true;
+        }
+
+        public void Start()
+        {
+            if (_CaptureDevice != null)
+                _CaptureDevice.Start();
+        }
+
+        public void Pause()
+        {
+            if (_CaptureDevice != null)
+                _CaptureDevice.Pause();
+        }
+
+        public void Close()
+        {
+            if(_CaptureDevice != null)
+                _CaptureDevice.Dispose();
+        }
+
+        public bool GetFrame(ref Draw.STexture Frame)
+        {
+            if (_CurrentFrame != null)
+            {
+                Bitmap b = _CurrentFrame.ToBitmap();
+                BitmapData bd = b.LockBits(new Rectangle(0, 0, _CurrentFrame.Width, _CurrentFrame.Height), System.Drawing.Imaging.ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
+                byte[] data = new byte[4 * _CurrentFrame.Width * _CurrentFrame.Height];
+                Marshal.Copy(bd.Scan0, data, 0, data.Length);
+
+                if (Frame.index == -1 || _CurrentFrame.Width != Frame.width || _CurrentFrame.Height != Frame.height)
+                {
+                    CDraw.RemoveTexture(ref Frame);
+                    Frame = CDraw.AddTexture(_CurrentFrame.Width, _CurrentFrame.Height, ref data);
+                }
+                else
+                {
+                    CDraw.UpdateTexture(ref Frame, ref data);
+                }
+
+                b.UnlockBits(bd);
+                b.Dispose();
+                return true;
+            }
+            return false;
+        }
+
+        public void OnImageGrabbed(object sender, EventArgs e)
+        {
+            _CurrentFrame = _CaptureDevice.RetrieveBgrFrame();
+        }
+    }
+}

Vocaluxe/Lib/Webcam/IWebcam.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using Vocaluxe.Lib.Draw;
+
+namespace Vocaluxe.Lib.Webcam
+{
+    interface IWebcam
+    {
+        bool Init();
+
+        void Start();
+        void Pause();
+        void Close();
+
+        bool GetFrame(ref STexture Frame);
+    }
+}

Vocaluxe/Program.cs

@@ -89,6 +89,13 @@ namespace Vocaluxe
 
                 Application.DoEvents();
 
+                //Init Webcam
+                CLog.StartBenchmark(0, "Init Webcam");
+                CWebcam.Init();
+                CLog.StopBenchmark(0, "Init Webcam");
+
+                Application.DoEvents();
+
                 // Init Background Music
                 CLog.StartBenchmark(0, "Init Background Music");
                 CBackgroundMusic.Init();
@@ -179,6 +186,7 @@ namespace Vocaluxe
                 CDraw.Unload();
                 CLog.CloseAll();
                 CDataBase.CloseConnections();
+                CWebcam.Close();
             }
             catch (Exception)
             {

Vocaluxe/Screens/CScreenSing.cs

@@ -72,6 +72,7 @@ namespace Vocaluxe.Screens
         private int _CurrentVideo = -1;
         private EAspect _VideoAspect = EAspect.Crop;
         private STexture _CurrentVideoTexture = new STexture(-1);
+        private STexture _CurrentWebcamFrameTexture = new STexture(-1);
         private STexture _Background = new STexture(-1);
 
         private float _CurrentTime = 0f;
@@ -87,6 +88,7 @@ namespace Vocaluxe.Screens
         private Stopwatch _TimerSongText;
 
         private bool _Pause;
+        private bool _Webcam;
 
         public CScreenSing()
         {
@@ -174,13 +176,13 @@ namespace Vocaluxe.Screens
                         TogglePause();
                         if (_Pause)
                             SetInteractionToButton(Buttons[htButtons(ButtonContinue)]);
-                        break;        
+                        break;
-   
+
                     case Keys.T:
                         int mode = (int)CConfig.TimerMode;
-                        
+
                         mode++;
-                        if (mode > Enum.GetNames(typeof(ETimerMode)).Length-1)
+                        if (mode > Enum.GetNames(typeof(ETimerMode)).Length - 1)
                         {
                             mode = 0;
                         }
@@ -200,12 +202,20 @@ namespace Vocaluxe.Screens
                         SetVisuability();
                         break;
 
+                    case Keys.W:
+                        _Webcam = !_Webcam;
+                        if (_Webcam)
+                            CWebcam.Start();
+                        else
+                            CWebcam.Pause();
+                        break;
+
                     case Keys.Enter:
                         if (Buttons[htButtons(ButtonContinue)].Selected && _Pause)
-                                TogglePause();
+                            TogglePause();
 
                         if (Buttons[htButtons(ButtonCancel)].Selected && _Pause)
-                                Stop();
+                            Stop();
                         break;
                 }
             }
@@ -250,14 +260,14 @@ namespace Vocaluxe.Screens
             }
             else
                 Finish = true;
-            
+
             if (Finish)
             {
                 LoadNextSong();
             }
 
             UpdateSongText();
-                        
+
             if (_FadeOut)
                 return true;
 
@@ -286,8 +296,8 @@ namespace Vocaluxe.Screens
                     SingNotes[htSingNotes(SingBars)].SetAlpha(NoteLines[p], Alpha[CGame.Player[p].LineNr * 2]);
                     if (CConfig.FadePlayerInfo == EFadePlayerInfo.TR_CONFIG_FADEPLAYERINFO_INFO || CConfig.FadePlayerInfo == EFadePlayerInfo.TR_CONFIG_FADEPLAYERINFO_ALL)
                     {
-                        Statics[htStatics(StaticAvatars[p,CGame.NumPlayer-1])].Alpha = Alpha[0];
+                        Statics[htStatics(StaticAvatars[p, CGame.NumPlayer - 1])].Alpha = Alpha[0];
-                        Texts[htTexts(TextNames[p,CGame.NumPlayer-1])].Alpha = Alpha[0];
+                        Texts[htTexts(TextNames[p, CGame.NumPlayer - 1])].Alpha = Alpha[0];
                     }
                     if (CConfig.FadePlayerInfo == EFadePlayerInfo.TR_CONFIG_FADEPLAYERINFO_ALL)
                     {
@@ -296,7 +306,7 @@ namespace Vocaluxe.Screens
                         Texts[htTexts(TextNames[p, CGame.NumPlayer - 1])].Alpha = Alpha[0];
                         Texts[htTexts(TextScores[p, CGame.NumPlayer - 1])].Alpha = Alpha[0];
                     }
-                }                
+                }
 
                 if (Alpha.Length > 2)
                 {
@@ -313,7 +323,7 @@ namespace Vocaluxe.Screens
                     Statics[htStatics(StaticLyricHelper)].Alpha = Alpha[2];
                 }
             }
-            
+
 
             for (int p = 0; p < CGame.NumPlayer; p++)
             {
@@ -332,18 +342,22 @@ namespace Vocaluxe.Screens
                 float vtime = 0f;
                 CVideo.VdGetFrame(_CurrentVideo, ref _CurrentVideoTexture, _CurrentTime, ref vtime);
             }
-            
+
+            if (_Webcam)
+                CWebcam.GetFrame(ref _CurrentWebcamFrameTexture);
+
             return true;
         }
 
         public override void OnShow()
         {
             base.OnShow();
-            
+
             _FadeOut = false;
-                        
+
             _CurrentVideo = -1;
             _CurrentVideoTexture = new STexture(-1);
+            _CurrentWebcamFrameTexture = new STexture(-1);
             _CurrentBeat = -100;
             _CurrentTime = 0f;
             _FinishTime = 0f;
@@ -353,7 +367,7 @@ namespace Vocaluxe.Screens
 
             _TimeRects.Clear();
 
-            SingNotes[htSingNotes(SingBars)].Reset();          
+            SingNotes[htSingNotes(SingBars)].Reset();
             for (int i = 0; i < CSettings.MaxNumPlayer; i++)
             {
                 NoteLines[i] = -1;
@@ -385,7 +399,7 @@ namespace Vocaluxe.Screens
         {
             if (_Active)
             {
-                if (_CurrentVideo != -1 && CConfig.VideosInSongs == EOffOn.TR_CONFIG_ON)
+                if (_CurrentVideo != -1 && CConfig.VideosInSongs == EOffOn.TR_CONFIG_ON && !_Webcam)
                 {
                     RectangleF bounds = new RectangleF(0, 0, CSettings.iRenderW, CSettings.iRenderH);
                     RectangleF rect = new RectangleF(0f, 0f, _CurrentVideoTexture.width, _CurrentVideoTexture.height);
@@ -394,6 +408,15 @@ namespace Vocaluxe.Screens
                     CDraw.DrawTexture(_CurrentVideoTexture, new SRectF(rect.X, rect.Y, rect.Width, rect.Height, 0f),
                         _CurrentVideoTexture.color, new SRectF(bounds.X, bounds.Y, bounds.Width, bounds.Height, 0f), false);
                 }
+                else if (_Webcam)
+                {
+                    RectangleF bounds = new RectangleF(0, 0, CSettings.iRenderW, CSettings.iRenderH);
+                    RectangleF rect = new RectangleF(0f, 0f, _CurrentWebcamFrameTexture.width, _CurrentWebcamFrameTexture.height);
+                    CHelper.SetRect(bounds, ref rect, rect.Width / rect.Height, _VideoAspect);
+
+                    CDraw.DrawTexture(_CurrentWebcamFrameTexture, new SRectF(rect.X, rect.Y, rect.Width, rect.Height, 0f),
+                        _CurrentVideoTexture.color, new SRectF(bounds.X, bounds.Y, bounds.Width, bounds.Height, 0f), false);
+                }
                 else
                 {   // Draw Background
                     RectangleF bounds = new RectangleF(0, 0, CSettings.iRenderW, CSettings.iRenderH);
@@ -434,7 +457,7 @@ namespace Vocaluxe.Screens
 
             Lyrics[htLyrics(LyricSubTop)].Draw(-100);
             Lyrics[htLyrics(LyricMainTop)].Draw(CGame.Beat);
-            
+
 
             for (int i = 0; i < CGame.NumPlayer; i++)
             {
@@ -454,7 +477,7 @@ namespace Vocaluxe.Screens
                 foreach (CSelectSlide slide in SelectSlides)
                     slide.Draw();
             }
-            
+
             return true;
         }
 
@@ -526,7 +549,7 @@ namespace Vocaluxe.Screens
             CGame.ResetPlayer();
 
             CDraw.RemoveTexture(ref _CurrentVideoTexture);
-            
+
             if (song.VideoFileName != String.Empty)
             {
                 _CurrentVideo = CVideo.VdLoad(Path.Combine(song.Folder, song.VideoFileName));
@@ -542,7 +565,7 @@ namespace Vocaluxe.Screens
 
             bool LyricsOnTop = (CGame.NumPlayer != 1) && CConfig.LyricsOnTop == EOffOn.TR_CONFIG_ON;
             if (song.IsDuet)
-            {               
+            {
                 for (int i = 1; i <= CGame.NumPlayer; i = i + 2)
                 {
                     CGame.Player[i].LineNr = 1;
@@ -573,7 +596,7 @@ namespace Vocaluxe.Screens
                     CTheme.GetPlayerColor(p + 1),
                     p);
             }
-            
+
             /*
                 case 4:
                     NoteLines[0] = SingNotes[htSingNotes(SingBars)].AddPlayer(new SRectF(35f, 100f, 590f, 200f, -0.5f), CTheme.ThemeColors.Player[0]);
@@ -582,7 +605,7 @@ namespace Vocaluxe.Screens
                     NoteLines[3] = SingNotes[htSingNotes(SingBars)].AddPlayer(new SRectF(640f, 350f, 590f, 200f, -0.5f), CTheme.ThemeColors.Player[3]);
                     break;
             */
-                
+
 
             _TimerSongText.Stop();
             _TimerSongText.Reset();
@@ -708,12 +731,15 @@ namespace Vocaluxe.Screens
             {
                 Buttons[htButtons(ButtonCancel)].Visible = true;
                 Buttons[htButtons(ButtonContinue)].Visible = true;
-                CSound.Pause(_CurrentStream);               
+                CSound.Pause(_CurrentStream);
-            }else
+                CWebcam.Pause();
+            }
+            else
             {
                 Buttons[htButtons(ButtonCancel)].Visible = false;
                 Buttons[htButtons(ButtonContinue)].Visible = false;
                 CSound.Play(_CurrentStream);
+                CWebcam.Start();
             }
         }
 
@@ -743,7 +769,7 @@ namespace Vocaluxe.Screens
         {
             StaticScores = new string[CSettings.MaxNumPlayer, CSettings.MaxNumPlayer];
             StaticAvatars = new string[CSettings.MaxNumPlayer, CSettings.MaxNumPlayer];
-            
+
             for (int numplayer = 0; numplayer < CSettings.MaxNumPlayer; numplayer++)
             {
                 for (int player = 0; player < CSettings.MaxNumPlayer; player++)
@@ -769,7 +795,7 @@ namespace Vocaluxe.Screens
             Statics[htStatics(StaticLyricHelperTop)].Visible = false;
             Lyrics[htLyrics(LyricMainDuet)].Visible = false;
             Lyrics[htLyrics(LyricSubDuet)].Visible = false;
-            
+
             Statics[htStatics(StaticSongText)].Visible = false;
             Texts[htTexts(TextSongName)].Visible = false;
 
@@ -783,7 +809,7 @@ namespace Vocaluxe.Screens
                         Texts[htTexts(TextNames[player, numplayer])].Visible = ((numplayer + 1 == CGame.NumPlayer)
                              && (CConfig.PlayerInfo == EPlayerInfo.TR_CONFIG_PLAYERINFO_BOTH || CConfig.PlayerInfo == EPlayerInfo.TR_CONFIG_PLAYERINFO_NAME));
                         Statics[htStatics(StaticScores[player, numplayer])].Visible = (numplayer + 1 == CGame.NumPlayer);
-                        Statics[htStatics(StaticAvatars[player, numplayer])].Visible = ((numplayer + 1 == CGame.NumPlayer) 
+                        Statics[htStatics(StaticAvatars[player, numplayer])].Visible = ((numplayer + 1 == CGame.NumPlayer)
                             && (CConfig.PlayerInfo == EPlayerInfo.TR_CONFIG_PLAYERINFO_BOTH || CConfig.PlayerInfo == EPlayerInfo.TR_CONFIG_PLAYERINFO_AVATAR));
                     }
                 }
@@ -875,7 +901,7 @@ namespace Vocaluxe.Screens
                         time = totaltime;
 
                     SRectF Rect = Statics[htStatics(StaticLyricHelperDuet)].Rect;
-                    
+
                     SColorF Color = new SColorF(
                         Statics[htStatics(StaticLyricHelperDuet)].Color.R,
                         Statics[htStatics(StaticLyricHelperDuet)].Color.G,
@@ -895,7 +921,7 @@ namespace Vocaluxe.Screens
             float dt = 4f;
             float rt = dt * 0.8f;
 
-            CSong Song = CGame.GetSong();  
+            CSong Song = CGame.GetSong();
             if (Song == null)
                 return null;
 
@@ -933,7 +959,7 @@ namespace Vocaluxe.Screens
 
                 // default values
                 Alpha[i * 2] = 1f;
-                Alpha[i * 2 + 1] = 1f; 
+                Alpha[i * 2 + 1] = 1f;
 
                 // main line alpha
                 if (CurrentLine == 0 && CurrentTime < CGame.GetTimeFromBeats(line[CurrentLine].FirstBeat, Song.BPM))
@@ -965,15 +991,15 @@ namespace Vocaluxe.Screens
                         float next = CGame.GetTimeFromBeats(line[CurrentLine + 1].FirstBeat, Song.BPM) - CurrentTime;
 
                         if (last < next)
-	                    {
+                        {
                             // fade out
                             Alpha[i * 2] = 1f - last / rt;
-	                    }
+                        }
                         else
-	                    {
+                        {
                             // fade in if it is time for
-	                        if (next > dt)
+                            if (next > dt)
-	                            Alpha[i * 2] = 1f - (next - dt) / rt;
+                                Alpha[i * 2] = 1f - (next - dt) / rt;
                         }
                     }
                 }
@@ -988,9 +1014,9 @@ namespace Vocaluxe.Screens
                 // sub
                 if (CurrentLineSub < line.Length - 2)
                 {
-                    float diff = 0f; 
+                    float diff = 0f;
                     diff = CGame.GetTimeFromBeats(line[CurrentLineSub + 1].FirstBeat, Song.BPM) - CurrentTime;
-                    
+
                     if (diff > dt)
                     {
                         Alpha[i * 2 + 1] = 1f - (diff - dt) / rt;
@@ -1058,7 +1084,7 @@ namespace Vocaluxe.Screens
             float CurrentTime = _CurrentTime - song.Start;
 
             if (TotalTime <= 0f)
-                return;             
+                return;
 
             switch (CConfig.TimerMode)
             {
@@ -1141,13 +1167,14 @@ namespace Vocaluxe.Screens
                     CLines[] Lines = new CLines[song.Notes.Lines.Length];
                     Lines = song.Notes.Lines;
                     for (int i = 0; i < Lines.Length; i++)
-                    {                        
+                    {
                         CLine[] Line = Lines[i].Line;
-                        for(int j = 0; j<Line.Length; j++){
+                        for (int j = 0; j < Line.Length; j++)
+                        {
                             TimeRect trect = new TimeRect();
                             trect.startBeat = Line[j].FirstBeat;
                             trect.endBeat = Line[j].EndBeat;
-                            
+
                             trect.rect = new CStatic(new STexture(-1),
                                 new SColorF(1f, 1f, 1f, 1f),
                                 new SRectF(stat.Rect.X + stat.Rect.W * ((CGame.GetTimeFromBeats(trect.startBeat, song.BPM) + song.Gap - song.Start) / TotalTime),
@@ -1194,4 +1221,4 @@ namespace Vocaluxe.Screens
             }
         }
     }
-}
+}

Vocaluxe/Vocaluxe.csproj

@@ -10,7 +10,7 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>Vocaluxe</RootNamespace>
     <AssemblyName>Vocaluxe</AssemblyName>
-    <TargetFrameworkVersion>v2.0</TargetFrameworkVersion>
+    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
     <FileAlignment>512</FileAlignment>
     <IsWebBootstrapper>false</IsWebBootstrapper>
     <PublishUrl>publish\</PublishUrl>
@@ -29,6 +29,7 @@
     <BootstrapperEnabled>true</BootstrapperEnabled>
     <StartupObject>Vocaluxe.MainProgram</StartupObject>
     <ApplicationIcon>Vocaluxe.ico</ApplicationIcon>
+    <TargetFrameworkProfile />
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'DebugWin|x86' ">
     <PlatformTarget>x86</PlatformTarget>
@@ -143,6 +144,18 @@
     <Reference Include="Community.CsharpSqlite">
       <HintPath>..\Output\Community.CsharpSqlite.dll</HintPath>
     </Reference>
+    <Reference Include="Emgu.CV, Version=2.4.0.1717, Culture=neutral, PublicKeyToken=7281126722ab4438, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\Output\Emgu.CV.dll</HintPath>
+    </Reference>
+    <Reference Include="Emgu.CV.UI, Version=2.4.0.1717, Culture=neutral, PublicKeyToken=7281126722ab4438, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\Output\Emgu.CV.UI.dll</HintPath>
+    </Reference>
+    <Reference Include="Emgu.Util, Version=2.4.0.1717, Culture=neutral, PublicKeyToken=7281126722ab4438, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\Output\Emgu.Util.dll</HintPath>
+    </Reference>
     <Reference Include="OpenTK">
       <HintPath>..\Output\OpenTK.dll</HintPath>
     </Reference>
@@ -175,6 +188,7 @@
     <Compile Include="Base\CSongs.cs" />
     <Compile Include="Base\CTheme.cs" />
     <Compile Include="Base\CVideo.cs" />
+    <Compile Include="Base\CWebcam.cs" />
     <Compile Include="GameModes\CGameMode.cs" />
     <Compile Include="GameModes\CGameModeNormal.cs" />
     <Compile Include="GameModes\IGameMode.cs" />
@@ -205,6 +219,8 @@
     <Compile Include="Lib\Video\CVideoDecoder.cs" />
     <Compile Include="Lib\Video\CVideoDecoderFFmpeg.cs" />
     <Compile Include="Lib\Video\IVideoDecoder.cs" />
+    <Compile Include="Lib\Webcam\COpenCV.cs" />
+    <Compile Include="Lib\Webcam\IWebcam.cs" />
     <Compile Include="Menu\CBackground.cs" />
     <Compile Include="Menu\CButton.cs" />
     <Compile Include="Menu\CGraphics.cs" />