Detach FFmpeg downloading script from the build process

.github/workflows/main.yml

@@ -53,6 +53,11 @@ jobs:
         bundle-ffmpeg:
           - true
           - false
+        include:
+          - bundle-ffmpeg: true
+            artifact-name-base: YoutubeDownloader
+          - bundle-ffmpeg: false
+            artifact-name-base: YoutubeDownloader.Bare
         exclude:
           # FFmpeg builds for these platforms are not easily available
           - bundle-ffmpeg: true
@@ -76,7 +81,8 @@ jobs:
 
       - name: Download FFmpeg
         if: ${{ matrix.bundle-ffmpeg }}
-        run: dotnet build YoutubeDownloader -t:DownloadFFmpeg
+        shell: pwsh
+        run: YoutubeDownloader/DownloadFFmpeg.ps1 -platform ${{ matrix.rid }}
 
       - name: Publish app
         run: >
@@ -91,7 +97,7 @@ jobs:
       - name: Upload artifacts
         uses: actions/upload-artifact@0b2256b8c012f0828dc542b3febcab082c67f72b # v4.3.4
         with:
-          name: ${{ matrix.bundle-ffmpeg && 'YoutubeDownloader' || 'YoutubeDownloader.Bare' }}.${{ matrix.rid }}
+          name: ${{ matrix.artifact-name-base }}.${{ matrix.rid }}
           path: YoutubeDownloader/bin/publish
           if-no-files-found: error
 
@@ -135,6 +141,11 @@ jobs:
         bundle-ffmpeg:
           - true
           - false
+        include:
+          - bundle-ffmpeg: true
+            artifact-name-base: YoutubeDownloader
+          - bundle-ffmpeg: false
+            artifact-name-base: YoutubeDownloader.Bare
         exclude:
           # FFmpeg builds for these platforms are not easily available
           - bundle-ffmpeg: true
@@ -151,26 +162,28 @@ jobs:
       - name: Download artifacts
         uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8
         with:
-          name: ${{ matrix.bundle-ffmpeg && 'YoutubeDownloader' || 'YoutubeDownloader.Bare' }}.${{ matrix.rid }}
+          name: ${{ matrix.artifact-name-base }}.${{ matrix.rid }}
           path: YoutubeDownloader/
 
-      - name: Set permissions
+      - name: Set permissions (app)
         if: ${{ !startsWith(matrix.rid, 'win-') }}
-        run: |
-          chmod +x YoutubeDownloader/YoutubeDownloader
-          ${{ matrix.bundle-ffmpeg && 'chmod +x YoutubeDownloader/ffmpeg' || '' }}
+        run: chmod +x YoutubeDownloader/YoutubeDownloader
+
+      - name: Set permissions (FFmpeg)
+        if: ${{ !startsWith(matrix.rid, 'win-') && matrix.bundle-ffmpeg }}
+        run: chmod +x YoutubeDownloader/ffmpeg
 
       - name: Create package
         # Change into the artifacts directory to avoid including the directory itself in the zip archive
         working-directory: YoutubeDownloader/
-        run: zip -r ../${{ matrix.bundle-ffmpeg && 'YoutubeDownloader' || 'YoutubeDownloader.Bare' }}.${{ matrix.rid }}.zip .
+        run: zip -r ../${{ matrix.artifact-name-base }}.${{ matrix.rid }}.zip .
 
       - name: Upload release asset
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: >
           gh release upload ${{ github.ref_name }}
-          ${{ matrix.bundle-ffmpeg && 'YoutubeDownloader' || 'YoutubeDownloader.Bare' }}.${{ matrix.rid }}.zip
+          ${{ matrix.artifact-name-base }}.${{ matrix.rid }}.zip
           --repo ${{ github.event.repository.full_name }}
 
   notify:

YoutubeDownloader/DownloadFFmpeg.ps1

@@ -1,6 +1,3 @@
-# This script is called from inside an MSBuild task to download FFmpeg binaries:
-# dotnet build -t:DownloadFFmpeg
-
 param (
     [string]$platform,
     [string]$outputPath
@@ -8,11 +5,37 @@ param (
 
 $ErrorActionPreference = "Stop"
 
+# If the platform is not specified, use the current OS/arch
+if (-not $platform) {
+    $arch = [Runtime.InteropServices.RuntimeInformation]::OSArchitecture
+
+    if ($isWindows) {
+        $platform = "windows-$arch"
+    } elseif ($isLinux) {
+        $platform = "linux-$arch"
+    } elseif ($isMacOS) {
+        $platform = "osx-$arch"
+    } else {
+        throw "Unsupported platform"
+    }
+}
+
 # Normalize platform identifier
 $platform = $platform.ToLower().Replace("win-", "windows-")
 
+# If the output path is not specified, use the current directory
+if (-not $outputPath) {
+    $fileName = if ($platform.Contains("windows-")) { "ffmpeg.exe" } else { "ffmpeg" }
+    $outputPath = "$PSScriptRoot/$fileName"
+}
+
+# Delete the existing file if it exists
+if (Test-Path $outputPath) {
+    Remove-Item $outputPath
+}
+
 # Download the archive
-Write-Host "Downloading FFmpeg..."
+Write-Host "Downloading FFmpeg for $platform..."
 [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
 $http = New-Object System.Net.WebClient
 try {

YoutubeDownloader/YoutubeDownloader.csproj

@@ -14,6 +14,11 @@
     <AvaloniaResource Include="..\favicon.ico" Link="favicon.ico" />
   </ItemGroup>
 
+  <ItemGroup>
+    <None Include="ffmpeg.exe" CopyToOutputDirectory="PreserveNewest" Condition="Exists('ffmpeg.exe')" />
+    <None Include="ffmpeg" CopyToOutputDirectory="PreserveNewest" Condition="Exists('ffmpeg')" />
+  </ItemGroup>
+
   <ItemGroup>
     <PackageReference Include="AsyncImageLoader.Avalonia" Version="3.2.1" />
     <PackageReference Include="Avalonia" Version="11.1.3" />
@@ -53,28 +58,4 @@
     <TrimmerRootAssembly Include="WebView.Core" />
   </ItemGroup>
 
-  <!-- Task to download FFmpeg -->
-  <PropertyGroup>
-    <FFmpegPlatform>$(RuntimeIdentifier)</FFmpegPlatform>
-    <FFmpegPlatform Condition="'$(FFmpegPlatform)' == '' AND $([MSBuild]::IsOsPlatform('Windows')) AND '$([System.Runtime.InteropServices.RuntimeInformation]::OSArchitecture)' == 'Arm64'">win-arm64</FFmpegPlatform>
-    <FFmpegPlatform Condition="'$(FFmpegPlatform)' == '' AND $([MSBuild]::IsOsPlatform('Windows')) AND '$([System.Runtime.InteropServices.RuntimeInformation]::OSArchitecture)' == 'X86'">win-x86</FFmpegPlatform>
-    <FFmpegPlatform Condition="'$(FFmpegPlatform)' == '' AND $([MSBuild]::IsOsPlatform('Windows')) AND '$([System.Runtime.InteropServices.RuntimeInformation]::OSArchitecture)' == 'X64'">win-x64</FFmpegPlatform>
-    <FFmpegPlatform Condition="'$(FFmpegPlatform)' == '' AND $([MSBuild]::IsOsPlatform('Linux')) AND '$([System.Runtime.InteropServices.RuntimeInformation]::OSArchitecture)' == 'Arm64'">linux-arm64</FFmpegPlatform>
-    <FFmpegPlatform Condition="'$(FFmpegPlatform)' == '' AND $([MSBuild]::IsOsPlatform('Linux')) AND '$([System.Runtime.InteropServices.RuntimeInformation]::OSArchitecture)' == 'X86'">linux-x86</FFmpegPlatform>
-    <FFmpegPlatform Condition="'$(FFmpegPlatform)' == '' AND $([MSBuild]::IsOsPlatform('Linux')) AND '$([System.Runtime.InteropServices.RuntimeInformation]::OSArchitecture)' == 'X64'">linux-x64</FFmpegPlatform>
-    <FFmpegPlatform Condition="'$(FFmpegPlatform)' == '' AND $([MSBuild]::IsOsPlatform('OSX')) AND '$([System.Runtime.InteropServices.RuntimeInformation]::OSArchitecture)' == 'Arm64'">osx-arm64</FFmpegPlatform>
-    <FFmpegPlatform Condition="'$(FFmpegPlatform)' == '' AND $([MSBuild]::IsOsPlatform('OSX')) AND '$([System.Runtime.InteropServices.RuntimeInformation]::OSArchitecture)' == 'X64'">osx-x64</FFmpegPlatform>
-    <FFmpegFileName Condition="$(FFmpegPlatform.StartsWith('win-'))">ffmpeg.exe</FFmpegFileName>
-    <FFmpegFileName Condition="'$(FFmpegFileName)' == ''">ffmpeg</FFmpegFileName>
-  </PropertyGroup>
-
-  <Target Name="DownloadFFmpeg">
-    <Exec Command="pwsh -ExecutionPolicy Bypass -File &quot;$(ProjectDir)/DownloadFFmpeg.ps1&quot; -Platform $(FFmpegPlatform) -OutputPath &quot;$(ProjectDir)/$(FFmpegFileName)&quot;" LogStandardErrorAsError="true" />
-  </Target>
-
-  <ItemGroup>
-    <None Include="ffmpeg.exe" CopyToOutputDirectory="PreserveNewest" Condition="Exists('ffmpeg.exe')" />
-    <None Include="ffmpeg" CopyToOutputDirectory="PreserveNewest" Condition="Exists('ffmpeg')" />
-  </ItemGroup>
-
 </Project>