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Merged
dellis1972 merged 3 commits into from
Feb 19, 2026
Merged

Add Support for Windows arm64 #7

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9101c7c
bump buildscripts
dellis1972 Feb 11, 2026
89cfab1
bump buildscripts
dellis1972 Feb 18, 2026
75d308e
Bump buildscripts to make UCRT dependencies for amr64 valid
dellis1972 Feb 18, 2026
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16 changes: 16 additions & 0 deletions .github/workflows/main.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,19 @@ jobs:
shell: bash
run: |
C:\\msys64\\usr\\bin\\bash.exe -c 'export PATH="/usr/bin:/mingw64/bin:$PATH"; pacman -S --needed --noconfirm mingw-w64-x86_64-toolchain mingw-w64-x86_64-mpg123 mingw-w64-x86_64-gtk2 mingw-w64-x86_64-libogg mingw-w64-x86_64-libvorbis mingw-w64-x86_64-lame mingw-w64-x86_64-pkg-config nasm yasm make base-devel autoconf automake libtool'

- name: Install llvm-mingw for ARM64 cross-compilation
if: runner.os == 'Windows'
shell: pwsh
run: |
$llvmMingwVersion = "20250114"
$url = "https://github.com/mstorsjo/llvm-mingw/releases/download/$llvmMingwVersion/llvm-mingw-$llvmMingwVersion-ucrt-x86_64.zip"
Invoke-WebRequest -Uri $url -OutFile "$env:TEMP\llvm-mingw.zip"
Expand-Archive -Path "$env:TEMP\llvm-mingw.zip" -DestinationPath "C:\llvm-mingw-extract"
if (Test-Path "C:\llvm-mingw") { Remove-Item -Path "C:\llvm-mingw" -Recurse -Force }
Move-Item -Path "C:\llvm-mingw-extract\llvm-mingw-$llvmMingwVersion-ucrt-x86_64" -Destination "C:\llvm-mingw"
Write-Host "llvm-mingw installed to C:\llvm-mingw"

- name: Clone repository
uses: actions/checkout@v4
with:
Expand Down Expand Up @@ -78,3 +91,6 @@ jobs:
removeArtifacts: true
artifacts: "artifacts/**/*.nupkg"
token: ${{ secrets.GITHUB_TOKEN }}



132 changes: 120 additions & 12 deletions build/BuildWIndowsTask.cs
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Original file line number Diff line number Diff line change
@@ -1,3 +1,5 @@
using Cake.Common.Build.AppVeyor;

namespace BuildScripts;

[TaskName("Build Windows")]
Expand All @@ -9,8 +11,14 @@ public sealed class BuildWindowsTask : FrostingTask<BuildContext>

public override void Run(BuildContext context)
{
Buildx64(context);
Buildarm64(context);
}

private void Buildx64(BuildContext context)
{
// Absolute path to the artifact directory is needed for flags since they don't allow relative path
var artifactDir = context.MakeAbsolute(new DirectoryPath(context.ArtifactsDir));
var artifactDir = context.MakeAbsolute(new DirectoryPath(System.IO.Path.Combine(context.ArtifactsDir, "windows-x64")));

// The directory that all dependencies that are built manually are output too. Originally this was output to the
// artifacts directory but that started causing issues on the github runners, so it was moved back to the
Expand All @@ -21,22 +29,23 @@ public override void Run(BuildContext context)
// since they would be set for the Windows side of things and not the mingw environment that everything is
// running in. Instead, we'll build an export statement that can be used at the start of every process call to
// ensure the correct environment variables are set for each command executed.
var cFlagsExport = "export CFLAGS=\"-w\";";
var ccFlagsExport = "export CCFLAGS=\"x86_64-w64-mingw32-gcc\";";
var ldFlagsExport = "export LDFLAGS=\"--static\";";
var pathExport = "export PATH=\"/usr/bin:/mingw64/bin:$PATH\";";
var pkgConfigExport = $"export PKG_CONFIG_PATH=\"/mingw64/lib/pkgconfig:$PKG_CONFIG_PATH\";";
var exports = $"{pathExport}{cFlagsExport}{ccFlagsExport}{ldFlagsExport}{pkgConfigExport}";
var cFlagsExport = "export CFLAGS='-w -Wno-error=incompatible-pointer-types';";
var ccFlagsExport = "export CC='x86_64-w64-mingw32-gcc';";
var cxxFlagsExport = "export CXX='x86_64-w64-mingw32-g++';";
var ldFlagsExport = "export LDFLAGS='--static';";
var pathExport = "export PATH='/usr/bin:/mingw64/bin:$PATH';";
var pkgConfigExport = $"export PKG_CONFIG_PATH='/mingw64/lib/pkgconfig:$PKG_CONFIG_PATH';";
var exports = $"{pathExport}{cFlagsExport}{ccFlagsExport}{cxxFlagsExport}{ldFlagsExport}{pkgConfigExport}";

// The --prefix flag used for all ./configure commands to ensure that build dependencies are output to the
// dependency directory specified
var prefixFlag = $"--prefix=\"{dependencyDir}\"";
var prefixFlag = $"--prefix='{dependencyDir}'";

// The --bindir flag used in the final ffprobe build so that the binary is output to the artifacts directory.
var binDirFlag = $"--bindir=\"{artifactDir}\"";
var binDirFlag = $"--bindir='{artifactDir}'";

// Get the FFprobe ./configure flags specific for this windows build
var configureFlags = GetFFProbConfigureFlags(context);
var configureFlags = GetFFProbConfigureFlags(context, "windows-x64");

// The command to execute in order to run the shell environment (mingw) needed for this build.
var shellCommandPath = @"C:\msys64\usr\bin\bash.exe";
Expand All @@ -45,7 +54,9 @@ public override void Run(BuildContext context)
// arguments of this instance for each command.
var processSettings = new ProcessSettings();


// Build libogg
context.Information("Building libogg...");
processSettings.WorkingDirectory = "./ogg";
processSettings.Arguments = $"-c \"{exports} make distclean\"";
context.StartProcess(shellCommandPath, processSettings);
Expand All @@ -59,6 +70,7 @@ public override void Run(BuildContext context)
context.StartProcess(shellCommandPath, processSettings);

// build libvorbis
context.Information("Building libvorbis...");
processSettings.WorkingDirectory = "./vorbis";
processSettings.Arguments = $"-c \"{exports} make distclean\"";
context.StartProcess(shellCommandPath, processSettings);
Expand All @@ -72,6 +84,7 @@ public override void Run(BuildContext context)
context.StartProcess(shellCommandPath, processSettings);

// build lame
context.Information("Building lame...");
processSettings.WorkingDirectory = "./lame";
processSettings.Arguments = $"-c \"{exports} make distclean\"";
context.StartProcess(shellCommandPath, processSettings);
Expand All @@ -83,6 +96,7 @@ public override void Run(BuildContext context)
context.StartProcess(shellCommandPath, processSettings);

// Build ffprobe
context.Information("Building ffprobe...");
processSettings.WorkingDirectory = "./ffmpeg";
processSettings.Arguments = $"-c \"{exports} make distclean\"";
context.StartProcess(shellCommandPath, processSettings);
Expand All @@ -94,11 +108,105 @@ public override void Run(BuildContext context)
context.StartProcess(shellCommandPath, processSettings);
}

private static string GetFFProbConfigureFlags(BuildContext context)
private void Buildarm64(BuildContext context)
{
// Absolute path to the artifact directory is needed for flags since they don't allow relative path
var artifactDir = context.MakeAbsolute(new DirectoryPath(System.IO.Path.Combine(context.ArtifactsDir, "windows-arm64")));
context.CreateDirectory(artifactDir);

// The directory that all dependencies that are built manually are output too. Originally this was output to the
// artifacts directory but that started causing issues on the github runners, so it was moved back to the
// project root directory.
var dependencyDir = context.MakeAbsolute(new DirectoryPath($"{context.ArtifactsDir}/../dependencies-windows-arm64"));

// For Windows build, since we're using mingw environment, we can't set environment variables as normal
// since they would be set for the Windows side of things and not the mingw environment that everything is
// running in. Instead, we'll build an export statement that can be used at the start of every process call to
// ensure the correct environment variables are set for each command executed.
var depPathUnix = dependencyDir.FullPath.Replace("\\", "/").Replace("C:", "/c");
var cFlagsExport = $"export CFLAGS='-w -I{depPathUnix}/include';";
var ccFlagsExport = "export CC='aarch64-w64-mingw32-clang';";
var cxxFlagsExport = "export CXX='aarch64-w64-mingw32-clang++';";
var ldFlagsExport = $"export LDFLAGS='-static -L{depPathUnix}/lib';";
var pathExport = "export PATH='/c/llvm-mingw/bin:/usr/bin:/mingw64/bin:$PATH';";
// Convert Windows dependency path to MSYS2 Unix path for pkg-config

var pkgConfigExport = $"export PKG_CONFIG_PATH='{depPathUnix}/lib/pkgconfig';";
var exports = $"{pathExport}{cFlagsExport}{ccFlagsExport}{cxxFlagsExport}{ldFlagsExport}{pkgConfigExport}";

var artifactPathUnix = artifactDir.FullPath.Replace("\\", "/").Replace("C:", "/c");
// The --prefix flag used for all ./configure commands to ensure that build dependencies are output to the
// dependency directory specified
var prefixFlag = $"--prefix='{depPathUnix}'";

// The --bindir flag used in the final ffprobe build so that the binary is output to the artifacts directory.
var binDirFlag = $"--bindir='{artifactPathUnix}'";

// Get the FFprobe ./configure flags specific for this windows build
var configureFlags = GetFFProbConfigureFlags(context, "windows-arm64");

// The command to execute in order to run the shell environment (mingw) needed for this build.
var shellCommandPath = @"C:\msys64\usr\bin\bash.exe";

// Reusuable process settings instance. As each dependency is built, we'll adjust the working directory and
// arguments of this instance for each command.
var processSettings = new ProcessSettings();

// Build libogg
processSettings.WorkingDirectory = "./ogg";
processSettings.Arguments = $"-c \"{exports} make distclean\"";
context.StartProcess(shellCommandPath, processSettings);
processSettings.Arguments = $"-c \"{exports} ./autogen.sh\"";
context.StartProcess(shellCommandPath, processSettings);
processSettings.Arguments = $"-c \"{exports} ./configure --host=aarch64-w64-mingw32 --disable-shared {prefixFlag}\"";
context.StartProcess(shellCommandPath, processSettings);
processSettings.Arguments = $"-c \"{exports} make -j{Environment.ProcessorCount}\"";
context.StartProcess(shellCommandPath, processSettings);
processSettings.Arguments = $"-c \"{exports} make install\"";
context.StartProcess(shellCommandPath, processSettings);

// build libvorbis
processSettings.WorkingDirectory = "./vorbis";
processSettings.Arguments = $"-c \"{exports} make distclean\"";
context.StartProcess(shellCommandPath, processSettings);
processSettings.Arguments = $"-c \"{exports} ./autogen.sh\"";
context.StartProcess(shellCommandPath, processSettings);
processSettings.Arguments = $"-c \"{exports} ./configure --host=aarch64-w64-mingw32 --disable-examples --disable-docs --disable-shared {prefixFlag}\"";
context.StartProcess(shellCommandPath, processSettings);
processSettings.Arguments = $"-c \"{exports} make -j{Environment.ProcessorCount}\"";
context.StartProcess(shellCommandPath, processSettings);
processSettings.Arguments = $"-c \"{exports} make install\"";
context.StartProcess(shellCommandPath, processSettings);

// build lame
processSettings.WorkingDirectory = "./lame";
processSettings.Arguments = $"-c \"{exports} make distclean\"";
context.StartProcess(shellCommandPath, processSettings);
processSettings.Arguments = $"-c \"{exports} ./configure --host=aarch64-w64-mingw32 --disable-frontend --disable-decoder --disable-shared {prefixFlag}\"";
context.StartProcess(shellCommandPath, processSettings);
processSettings.Arguments = $"-c \"{exports} make -j{Environment.ProcessorCount}\"";
context.StartProcess(shellCommandPath, processSettings);
processSettings.Arguments = $"-c \"{exports} make install\"";
context.StartProcess(shellCommandPath, processSettings);

// Build ffprobe
processSettings.WorkingDirectory = "./ffmpeg";
processSettings.Arguments = $"-c \"{exports} make distclean\"";
context.StartProcess(shellCommandPath, processSettings);
processSettings.Arguments = $"-c \"{exports} ./configure --cc=aarch64-w64-mingw32-clang --cxx=aarch64-w64-mingw32-clang++ --cross-prefix=aarch64-w64-mingw32- --pkg-config=pkg-config {binDirFlag} {configureFlags}\"";
context.StartProcess(shellCommandPath, processSettings);
processSettings.Arguments = $"-c \"{exports} make -j{Environment.ProcessorCount}\"";
context.StartProcess(shellCommandPath, processSettings);
processSettings.Arguments = $"-c \"{exports} make install\"";
context.StartProcess(shellCommandPath, processSettings);
}

private static string GetFFProbConfigureFlags(BuildContext context, string rid = "windows-x64")
{
var ignoreCommentsAndNewLines = (string line) => !string.IsNullOrWhiteSpace(line) && !line.StartsWith('#');
var configureFlags = context.FileReadLines("ffprobe.config").Where(ignoreCommentsAndNewLines);
var osConfigureFlags = context.FileReadLines($"ffprobe.windows-x64.config").Where(ignoreCommentsAndNewLines);
var osConfigureFlags = context.FileReadLines($"ffprobe.{rid}.config").Where(ignoreCommentsAndNewLines);
return string.Join(' ', configureFlags) + " " + string.Join(' ', osConfigureFlags);
}
}

2 changes: 1 addition & 1 deletion buildscripts
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Submodule buildscripts updated 4 files
+15 −5 Tasks/PackageTask.cs
+15 −1 Tasks/PublishToolTask.cs
+2 −1 Tasks/TestMacOSTask.cs
+27 −7 Tasks/TestWindowsTask.cs
13 changes: 13 additions & 0 deletions ffprobe.windows-arm64.config
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Original file line number Diff line number Diff line change
@@ -0,0 +1,13 @@
########################################################################################################################
### Toolchain Options
########################################################################################################################
--arch=aarch64
--extra-cflags='-DHAVE_UNISTD_H=0'
--target-os=mingw32

########################################################################################################################
### Optimization Options
########################################################################################################################
--enable-asm
--disable-x86asm
--enable-neon
2 changes: 1 addition & 1 deletion ffprobe.windows-x64.config
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Expand Up @@ -2,7 +2,7 @@
### Toolchain Options
########################################################################################################################
--arch=x86_64
--extra-cflags="-DHAVE_UNISTD_H=0"
--extra-cflags='-DHAVE_UNISTD_H=0'
--target-os=mingw32

########################################################################################################################
Expand Down