Camera settings are now loaded from config in video options screen

Vocaluxe/Screens/CScreenOptionsVideo.cs

@@ -28,6 +28,8 @@ namespace Vocaluxe.Screens
 
         private SWebcamConfig _Config;
         Lib.Draw.STexture _WebcamTexture = new Lib.Draw.STexture(-1);
+        private int _DeviceNr;
+        private int _CapabilityNr;
 
         public CScreenOptionsVideo()
         {
@@ -54,23 +56,6 @@ namespace Vocaluxe.Screens
             SelectSlides[htSelectSlides(SelectSlideVideoPreview)].SetValues<EOffOn>((int)CConfig.VideoPreview);
             SelectSlides[htSelectSlides(SelectSlideVideosInSongs)].SetValues<EOffOn>((int)CConfig.VideosInSongs);
             SelectSlides[htSelectSlides(SelectSlideVideosToBackground)].SetValues<EOffOn>((int)CConfig.VideosToBackground);
-
-            SWebcamDevice[] dev = CWebcam.GetDevices();
-            foreach(SWebcamDevice d in dev)
-            {
-                SelectSlides[htSelectSlides(SelectSlideWebcamDevices)].AddValue(d.Name);
-            }
-            int deviceNr = SelectSlides[htSelectSlides(SelectSlideWebcamDevices)].Selection;
-            for (int i = 0; i < dev[SelectSlides[htSelectSlides(SelectSlideWebcamDevices)].Selection].Capabilities.Count; i++)
-            {
-                SelectSlides[htSelectSlides(SelectSlideWebcamCapabilities)].AddValue(dev[deviceNr].Capabilities[i].Width.ToString() + " x " + dev[deviceNr].Capabilities[i].Height.ToString() + " @ " + dev[deviceNr].Capabilities[i].Framerate.ToString() + " FPS");
-            }
-            SelectSlides[htSelectSlides(SelectSlideWebcamCapabilities)].Selection = 0;
-
-            _Config.MonikerString = dev[SelectSlides[htSelectSlides(SelectSlideWebcamDevices)].Selection].MonikerString;
-            _Config.Width = dev[SelectSlides[htSelectSlides(SelectSlideWebcamDevices)].Selection].Capabilities[SelectSlides[htSelectSlides(SelectSlideWebcamCapabilities)].Selection].Width;
-            _Config.Height = dev[SelectSlides[htSelectSlides(SelectSlideWebcamDevices)].Selection].Capabilities[SelectSlides[htSelectSlides(SelectSlideWebcamCapabilities)].Selection].Height;
-            _Config.Framerate = dev[SelectSlides[htSelectSlides(SelectSlideWebcamDevices)].Selection].Capabilities[SelectSlides[htSelectSlides(SelectSlideWebcamCapabilities)].Selection].Framerate;
         }
 
         public override bool HandleInput(KeyEvent KeyEvent)
@@ -165,16 +150,47 @@ namespace Vocaluxe.Screens
 
         public override void OnClose()
         {
-            CWebcam.Close();
             base.OnClose();
+            CWebcam.Close();
         }
 
         public override void OnShow()
         {
-            CWebcam.Close();
-            CWebcam.Select(_Config);
-            CWebcam.Start();
             base.OnShow();
+            SelectSlides[htSelectSlides(SelectSlideWebcamDevices)].Clear();
+            SelectSlides[htSelectSlides(SelectSlideWebcamCapabilities)].Clear();
+
+            _DeviceNr = -1;
+            _CapabilityNr = -1;
+
+            SWebcamDevice[] devices = CWebcam.GetDevices();
+
+            if (devices != null)
+            {
+                _DeviceNr = 0;
+                _CapabilityNr = 0;
+                GetFirstConfiguredWebcamDevice(ref _DeviceNr, ref _CapabilityNr);
+
+                foreach (SWebcamDevice d in devices)
+                {
+                    SelectSlides[htSelectSlides(SelectSlideWebcamDevices)].AddValue(d.Name);
+                }
+                SelectSlides[htSelectSlides(SelectSlideWebcamDevices)].Selection = _DeviceNr;
+
+                foreach (SCapabilities c in devices[_DeviceNr].Capabilities)
+                {
+                    SelectSlides[htSelectSlides(SelectSlideWebcamCapabilities)].AddValue(c.Width.ToString() + " x " + c.Height.ToString() + " @ " + c.Framerate.ToString() + " FPS ");
+                }
+                _Config.MonikerString = devices[SelectSlides[htSelectSlides(SelectSlideWebcamDevices)].Selection].MonikerString;
+                _Config.Width = devices[SelectSlides[htSelectSlides(SelectSlideWebcamDevices)].Selection].Capabilities[SelectSlides[htSelectSlides(SelectSlideWebcamCapabilities)].Selection].Width;
+                _Config.Height = devices[SelectSlides[htSelectSlides(SelectSlideWebcamDevices)].Selection].Capabilities[SelectSlides[htSelectSlides(SelectSlideWebcamCapabilities)].Selection].Height;
+                _Config.Framerate = devices[SelectSlides[htSelectSlides(SelectSlideWebcamDevices)].Selection].Capabilities[SelectSlides[htSelectSlides(SelectSlideWebcamCapabilities)].Selection].Framerate;
+                CWebcam.Close();
+                CWebcam.Select(CConfig.WebcamConfig);
+                CWebcam.Start();
+            }
+            SelectSlides[htSelectSlides(SelectSlideWebcamDevices)].Visible = (devices != null);
+            SelectSlides[htSelectSlides(SelectSlideWebcamCapabilities)].Visible = (devices != null);
         }
 
         private void SaveConfig()
@@ -192,37 +208,70 @@ namespace Vocaluxe.Screens
 
         private void OnDeviceEvent()
         {
-            int deviceNr = SelectSlides[htSelectSlides(SelectSlideWebcamDevices)].Selection;
+            if (SelectSlides[htSelectSlides(SelectSlideWebcamDevices)].Selection != _DeviceNr)
-            SelectSlides[htSelectSlides(SelectSlideWebcamCapabilities)].Clear();
-            
-            SWebcamDevice[] d = CWebcam.GetDevices();
-            for (int i = 0; i < d[SelectSlides[htSelectSlides(SelectSlideWebcamDevices)].Selection].Capabilities.Count; i++)
             {
-                SelectSlides[htSelectSlides(SelectSlideWebcamCapabilities)].AddValue(d[deviceNr].Capabilities[i].Width.ToString() + " x " + d[deviceNr].Capabilities[i].Height.ToString() + " @ " + d[deviceNr].Capabilities[i].Framerate.ToString());
+                SelectSlides[htSelectSlides(SelectSlideWebcamCapabilities)].Clear();
+                _DeviceNr = SelectSlides[htSelectSlides(SelectSlideWebcamDevices)].Selection;
+                _CapabilityNr = 0;
+
+                SWebcamDevice[] d = CWebcam.GetDevices();
+                for (int i = 0; i < d[SelectSlides[htSelectSlides(SelectSlideWebcamDevices)].Selection].Capabilities.Count; i++)
+                {
+                    SelectSlides[htSelectSlides(SelectSlideWebcamCapabilities)].AddValue(d[_DeviceNr].Capabilities[i].Width.ToString() + " x " + d[_DeviceNr].Capabilities[i].Height.ToString() + " @ " + d[_DeviceNr].Capabilities[i].Framerate.ToString() + "FPS");
+                }
+                SelectSlides[htSelectSlides(SelectSlideWebcamCapabilities)].Selection = 0;
+
+                _Config.MonikerString = d[SelectSlides[htSelectSlides(SelectSlideWebcamDevices)].Selection].MonikerString;
+                _Config.Width = d[SelectSlides[htSelectSlides(SelectSlideWebcamDevices)].Selection].Capabilities[SelectSlides[htSelectSlides(SelectSlideWebcamCapabilities)].Selection].Width;
+                _Config.Height = d[SelectSlides[htSelectSlides(SelectSlideWebcamDevices)].Selection].Capabilities[SelectSlides[htSelectSlides(SelectSlideWebcamCapabilities)].Selection].Height;
+                _Config.Framerate = d[SelectSlides[htSelectSlides(SelectSlideWebcamDevices)].Selection].Capabilities[SelectSlides[htSelectSlides(SelectSlideWebcamCapabilities)].Selection].Framerate;
+
+                CWebcam.Close();
+                CWebcam.Select(_Config);
+                CWebcam.Start();
             }
-            SelectSlides[htSelectSlides(SelectSlideWebcamCapabilities)].Selection = 0;
-
-            _Config.MonikerString = d[SelectSlides[htSelectSlides(SelectSlideWebcamDevices)].Selection].MonikerString;
-            _Config.Width = d[SelectSlides[htSelectSlides(SelectSlideWebcamDevices)].Selection].Capabilities[SelectSlides[htSelectSlides(SelectSlideWebcamCapabilities)].Selection].Width;
-            _Config.Height = d[SelectSlides[htSelectSlides(SelectSlideWebcamDevices)].Selection].Capabilities[SelectSlides[htSelectSlides(SelectSlideWebcamCapabilities)].Selection].Height;
-            _Config.Framerate = d[SelectSlides[htSelectSlides(SelectSlideWebcamDevices)].Selection].Capabilities[SelectSlides[htSelectSlides(SelectSlideWebcamCapabilities)].Selection].Framerate;
-
-            CWebcam.Close();
-            CWebcam.Select(_Config);
-            CWebcam.Start();
         }
 
         private void OnCapabilitiesEvent()
         {
-            SWebcamDevice[] d = CWebcam.GetDevices();
+            if (SelectSlides[htSelectSlides(SelectSlideWebcamCapabilities)].Selection != _CapabilityNr)
-            _Config.MonikerString = d[SelectSlides[htSelectSlides(SelectSlideWebcamDevices)].Selection].MonikerString;
+            {
-            _Config.Width = d[SelectSlides[htSelectSlides(SelectSlideWebcamDevices)].Selection].Capabilities[SelectSlides[htSelectSlides(SelectSlideWebcamCapabilities)].Selection].Width;
+                _CapabilityNr = SelectSlides[htSelectSlides(SelectSlideWebcamCapabilities)].Selection;
-            _Config.Height = d[SelectSlides[htSelectSlides(SelectSlideWebcamDevices)].Selection].Capabilities[SelectSlides[htSelectSlides(SelectSlideWebcamCapabilities)].Selection].Height;
-            _Config.Framerate = d[SelectSlides[htSelectSlides(SelectSlideWebcamDevices)].Selection].Capabilities[SelectSlides[htSelectSlides(SelectSlideWebcamCapabilities)].Selection].Framerate;
 
-            CWebcam.Close();
+                SWebcamDevice[] d = CWebcam.GetDevices();
-            CWebcam.Select(_Config);
+                _Config.MonikerString = d[SelectSlides[htSelectSlides(SelectSlideWebcamDevices)].Selection].MonikerString;
-            CWebcam.Start();
+                _Config.Width = d[SelectSlides[htSelectSlides(SelectSlideWebcamDevices)].Selection].Capabilities[SelectSlides[htSelectSlides(SelectSlideWebcamCapabilities)].Selection].Width;
+                _Config.Height = d[SelectSlides[htSelectSlides(SelectSlideWebcamDevices)].Selection].Capabilities[SelectSlides[htSelectSlides(SelectSlideWebcamCapabilities)].Selection].Height;
+                _Config.Framerate = d[SelectSlides[htSelectSlides(SelectSlideWebcamDevices)].Selection].Capabilities[SelectSlides[htSelectSlides(SelectSlideWebcamCapabilities)].Selection].Framerate;
+
+                CWebcam.Close();
+                CWebcam.Select(_Config);
+                CWebcam.Start();
+            }
+        }
+
+        private void GetFirstConfiguredWebcamDevice(ref int Device, ref int Capabilities)
+        {
+            SWebcamDevice[] devices = CWebcam.GetDevices();
+
+            if (devices == null)
+                return;
+
+            for (int i = 0; i < devices.Length; i++)
+            {
+                if (devices[i].MonikerString == CConfig.WebcamConfig.MonikerString)
+                {
+                    for (int j = 0; j < devices[i].Capabilities.Count; j++)
+                    {
+                        if (devices[i].Capabilities[j].Framerate == CConfig.WebcamConfig.Framerate && devices[i].Capabilities[j].Width == CConfig.WebcamConfig.Width && devices[i].Capabilities[j].Height == CConfig.WebcamConfig.Height)
+                        {
+                            Device = i;
+                            Capabilities = j;
+                            return;
+                        }
+                    }
+                }
+            }
         }
     }
 }