Black Frame detection using ffprobe

.gitattributes

@@ -0,0 +1,17 @@
+# Auto detect text files and perform LF normalization
+* text=auto
+
+# Custom for Visual Studio
+*.cs     diff=csharp
+
+# Standard to msysgit
+*.doc	 diff=astextplain
+*.DOC	 diff=astextplain
+*.docx diff=astextplain
+*.DOCX diff=astextplain
+*.dot  diff=astextplain
+*.DOT  diff=astextplain
+*.pdf  diff=astextplain
+*.PDF	 diff=astextplain
+*.rtf	 diff=astextplain
+*.RTF	 diff=astextplain

.github/workflows/ci.yml

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+name: CI
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+      - release
+
+jobs:
+  ci:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [windows-latest, ubuntu-latest]
+    timeout-minutes: 6
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+    - name: Prepare .NET
+      uses: actions/setup-dotnet@v1
+      with:
+        dotnet-version: '5.0.x'
+    - name: Prepare FFMpeg
+      uses: FedericoCarboni/setup-ffmpeg@v1
+    - name: Test with dotnet
+      run: dotnet test --logger GitHubActions

.github/workflows/release.yml

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+name: NuGet release
+on:
+  push:
+    branches:
+      - release
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+    - name: Prepare .NET
+      uses: actions/setup-dotnet@v1
+      with:
+        dotnet-version: '5.0.x'
+    - name: Build solution
+      run: dotnet build --output build -c Release
+    - name: Publish NuGet package
+      run: dotnet nuget push "build/*.nupkg" --source nuget.org --api-key ${{ secrets.NUGET_TOKEN }}
+