basic video effect from documentation sample

Author: linnealovespie

Samples/StyleTransfer/AppViewModel.cs

@@ -11,6 +11,9 @@
 using System.Diagnostics;
 using Windows.Media.Capture;
 using Windows.Media.Playback;
+using Windows.Media.Effects;
+using Windows.Media;
+using Windows.Foundation.Collections;
 
 namespace StyleTransfer
 {
@@ -99,6 +102,12 @@ public async Task StartWebcamStream()
 
                 // Initialize MediaCapture
                 await _mediaCapture.InitializeAsync(settings);
+
+                // Initialize VideoEffect
+                var videoEffectDefinition = new VideoEffectDefinition("VideoEffectComponent.StyleTransferVideoEffect");
+                IMediaExtension videoEffect = await _mediaCapture.AddVideoEffectAsync(videoEffectDefinition, MediaStreamType.VideoPreview);
+                videoEffect.SetProperties(new PropertySet() { { "FadeValue", .15 } });
+
                 StartPreview();
             }
             catch (Exception ex)
@@ -124,6 +133,7 @@ public void SetMediaSource(object obj)
 
         private void StartPreview()
         {
+
             Debug.WriteLine("StartPreview");
             _selectedMediaFrameSource = _mediaCapture.FrameSources.FirstOrDefault(source => source.Value.Info.MediaStreamType == MediaStreamType.VideoPreview
                                                                                   && source.Value.Info.SourceKind == MediaFrameSourceKind.Color).Value;

Samples/StyleTransfer/StyleTransfer.csproj

@@ -29,6 +29,7 @@
     <UseVSHostingProcess>false</UseVSHostingProcess>
     <ErrorReport>prompt</ErrorReport>
     <Prefer32Bit>true</Prefer32Bit>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x86'">
     <OutputPath>bin\x86\Release\</OutputPath>
@@ -41,6 +42,7 @@
     <ErrorReport>prompt</ErrorReport>
     <Prefer32Bit>true</Prefer32Bit>
     <UseDotNetNativeToolchain>true</UseDotNetNativeToolchain>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|ARM'">
     <DebugSymbols>true</DebugSymbols>
@@ -52,6 +54,7 @@
     <UseVSHostingProcess>false</UseVSHostingProcess>
     <ErrorReport>prompt</ErrorReport>
     <Prefer32Bit>true</Prefer32Bit>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|ARM'">
     <OutputPath>bin\ARM\Release\</OutputPath>
@@ -64,6 +67,7 @@
     <ErrorReport>prompt</ErrorReport>
     <Prefer32Bit>true</Prefer32Bit>
     <UseDotNetNativeToolchain>true</UseDotNetNativeToolchain>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|ARM64'">
     <DebugSymbols>true</DebugSymbols>
@@ -76,6 +80,7 @@
     <ErrorReport>prompt</ErrorReport>
     <Prefer32Bit>true</Prefer32Bit>
     <UseDotNetNativeToolchain>true</UseDotNetNativeToolchain>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|ARM64'">
     <OutputPath>bin\ARM64\Release\</OutputPath>
@@ -88,6 +93,7 @@
     <ErrorReport>prompt</ErrorReport>
     <Prefer32Bit>true</Prefer32Bit>
     <UseDotNetNativeToolchain>true</UseDotNetNativeToolchain>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|x64'">
     <DebugSymbols>true</DebugSymbols>
@@ -99,6 +105,7 @@
     <UseVSHostingProcess>false</UseVSHostingProcess>
     <ErrorReport>prompt</ErrorReport>
     <Prefer32Bit>true</Prefer32Bit>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|x64'">
     <OutputPath>bin\x64\Release\</OutputPath>
@@ -111,6 +118,7 @@
     <ErrorReport>prompt</ErrorReport>
     <Prefer32Bit>true</Prefer32Bit>
     <UseDotNetNativeToolchain>true</UseDotNetNativeToolchain>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
   </PropertyGroup>
   <PropertyGroup>
     <RestoreProjectStyle>PackageReference</RestoreProjectStyle>
@@ -215,6 +223,11 @@
   <ItemGroup>
     <PRIResource Include="Strings\en-US\Resources.resw" />
   </ItemGroup>
+  <ItemGroup>
+    <Reference Include="VideoEffectComponent">
+      <HintPath>..\..\..\source\repos\VideoEffectComponent\bin\x64\Debug\VideoEffectComponent.winmd</HintPath>
+    </Reference>
+  </ItemGroup>
   <PropertyGroup Condition=" '$(VisualStudioVersion)' == '' or '$(VisualStudioVersion)' &lt; '14.0' ">
     <VisualStudioVersion>14.0</VisualStudioVersion>
   </PropertyGroup>