publish-pypi.yml

name: Build Wheel

on: [push, pull_request, workflow_dispatch]

env:
  dav1d_version: "1.5.3"
  libxml2_version: "v2.15.3"
  nv_version: "n13.0.19.0"
  libmfx_version: "master"
  libvpx_version: "v1.16.0"
  glslang_version: "16.3.0"
  BUILD_COMMANDS: |
    set -e
    JOBS=$(nproc 2>/dev/null || sysctl -n hw.logicalcpu || echo 2)
    REPO_ROOT=$(pwd)

    # Patch obuparse MinGW-w64 (UCRT64)
    if [[ "$PREFIX" == "/ucrt64" ]]; then
      sed -i 's|#define off_t __int64|// #define off_t __int64|g' obuparse/tools/obudump.c
      sed -i 's|#define fseeko _fseeki64|// #define fseeko _fseeki64|g' obuparse/tools/obudump.c
      sed -i 's|#define ftello _fseeki64|// #define ftello _fseeki64|g' obuparse/tools/obudump.c
    fi

    # dav1d
    wget "https://code.videolan.org/videolan/dav1d/-/archive/$dav1d_version/dav1d-$dav1d_version.tar.bz2" -O - | tar xfvj -
    cd dav1d-"$dav1d_version"
    meson setup build -Dprefix="$PREFIX" -Denable_tools=false -Denable_examples=false -Denable_tests=false --default-library=static --buildtype=release --strip
    meson compile -C build
    $SUDO meson install -C build
    cd .. && rm -rf dav1d-"$dav1d_version"

    # mfx_dispatch build (Linux/Windows only)
    if [[ "$EXTRA_FFMPEG_FLAGS" == *"--enable-libmfx"* ]]; then
      git clone -b "$libmfx_version" --depth 1 https://github.com/lu-zero/mfx_dispatch
      cd mfx_dispatch
      autoreconf -i
      CPPFLAGS="-O2 -s -pipe" ./configure --prefix="$PREFIX"
      make -j$(nproc)
      $SUDO make -j "$JOBS" install
      cd .. && rm -rf mfx_dispatch
    fi

    # nv-codec-headers (Linux/Windows only)
    if [[ "$EXTRA_FFMPEG_FLAGS" == *"--enable-nvdec"* ]]; then
      git clone -b "$nv_version" --depth 1 https://github.com/FFmpeg/nv-codec-headers
      cd nv-codec-headers
      $SUDO make install PREFIX="$PREFIX"
      cd .. && rm -rf nv-codec-headers
    fi

    # libxml2
    git clone -b "$libxml2_version" --depth 1 https://github.com/gnome/libxml2
    cd libxml2
    cmake -B build -G Ninja -DLIBXML2_WITH_TESTS=OFF -DLIBXML2_WITH_HTTP=OFF -DLIBXML2_WITH_FTP=OFF -DLIBXML2_WITH_HTML=ON -DLIBXML2_WITH_C14N=ON -DLIBXML2_WITH_CATALOG=OFF -DLIBXML2_WITH_DEBUG=OFF -DLIBXML2_WITH_DOCB=ON -DLIBXML2_WITH_ICONV=OFF -DLIBXML2_WITH_ISO8859X=ON -DLIBXML2_WITH_ZLIB=ON -DLIBXML2_WITH_ICU=OFF -DLIBXML2_WITH_LZMA=OFF -DLIBXML2_WITH_LEGACY=ON -DLIBXML2_WITH_MEM_DEBUG=OFF -DLIBXML2_WITH_MODULES=ON -DLIBXML2_WITH_OUTPUT=ON -DLIBXML2_WITH_PATTERN=ON -DLIBXML2_WITH_PUSH=ON -DLIBXML2_WITH_PYTHON=OFF -DLIBXML2_WITH_READER=ON -DLIBXML2_WITH_REGEXPS=ON  -DLIBXML2_WITH_RUN_DEBUG=OFF -DLIBXML2_WITH_SAX1=ON -DLIBXML2_WITH_SCHEMAS=ON -DLIBXML2_WITH_SCHEMATRON=ON -DLIBXML2_WITH_THREADS=ON -DLIBXML2_WITH_THREAD_ALLOC=OFF -DLIBXML2_WITH_TREE=ON -DLIBXML2_WITH_VALID=ON -DLIBXML2_WITH_WRITER=ON -DLIBXML2_WITH_XINCLUDE=ON -DLIBXML2_WITH_XPATH=ON -DLIBXML2_WITH_XPTR=ON -DCMAKE_C_FLAGS_RELEASE="-DIN_LIBXML" -DCMAKE_BUILD_TYPE=Release -DCMAKE_PREFIX_PATH="$PREFIX" -DCMAKE_INSTALL_PREFIX="$PREFIX" -D BUILD_SHARED_LIBS=OFF -DLIBXML2_WITH_PROGRAMS=OFF -DCMAKE_CL_SHOWINCLUDES_PREFIX="Note: including file:"
    ninja -C build
    $SUDO ninja -C build install
    cd .. && rm -rf libxml2

    # libvpx
    git clone -b "$libvpx_version" --depth 1 https://github.com/webmproject/libvpx
    cd libvpx
    VPX_TARGET=""
    if [[ "$PREFIX" == "/ucrt64" ]]; then
      VPX_TARGET="--target=x86_64-win64-gcc"
    fi
    ./configure --prefix="$PREFIX" $VPX_TARGET --disable-examples --disable-tools --disable-docs --disable-unit-tests --enable-vp9-highbitdepth --disable-debug-libs --disable-shared --as=nasm --enable-runtime-cpu-detect --disable-debug --disable-vp8 --disable-vp9-encoder --disable-postproc --disable-webm-io --disable-libyuv
    make -j "$JOBS"
    $SUDO make -j "$JOBS" install
    cd .. && rm -rf libvpx

    # glslang
    git clone -b "$glslang_version" --depth 1 https://github.com/KhronosGroup/glslang
    cd glslang
    python3 ./update_glslang_sources.py
    cmake -B build -G Ninja -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX="$PREFIX" -DBUILD_SHARED_LIBS=OFF -DENABLE_OPT=OFF -DENABLE_HLSL=OFF -DENABLE_SPIRV=ON -DENABLE_GLSLANG_BINARIES=ON -DGLSLANG_TESTS=OFF
    ninja -C build
    $SUDO ninja -C build install
    cd .. && rm -rf glslang

    # FFmpeg
    cd $REPO_ROOT/FFmpeg
    ./configure --prefix="$PREFIX" --disable-muxers --disable-avdevice --disable-encoders --disable-filters --disable-devices --disable-network --enable-libdav1d --enable-zlib --enable-libxml2 --enable-libvpx --disable-programs --disable-doc --disable-debug --enable-gpl --enable-pic --disable-nvenc --enable-hwaccel=ffv1_vulkan --disable-bzlib --disable-iconv --disable-lzma --extra-cflags="-fPIC" --extra-ldflags="-fPIC" $EXTRA_FFMPEG_FLAGS  || {
      echo "====================================================================="
      echo "❌ FFmpeg configure FAILED! Dumping ffbuild/config.log..."
      echo "====================================================================="
      cat ffbuild/config.log
      echo "====================================================================="
      exit 1
    }

    make -j "$JOBS"
    $SUDO make -j "$JOBS" install
    cd ..

jobs:
  build-non-windows-wheel:
    runs-on: ${{ matrix.os }}

    strategy:
      matrix:
        include:
          - os: ubuntu-latest
            arch: linux_x86_64
          - os: ubuntu-24.04-arm
            arch: linux_aarch64
          - os: macos-15-intel
            arch: macosx_x86_64
          - os: macos-15
            arch: macosx_arm64

    steps:
    - name: Checkout
      uses: actions/checkout@v7
      with:
        fetch-depth: 0
        submodules: true

    - uses: pypa/cibuildwheel@v4.1.0
      env:
        CIBW_BUILD: cp314-*
        CIBW_BUILD_FRONTEND: uv
        CIBW_ENVIRONMENT: >
          dav1d_version=${{ env.dav1d_version }}
          libxml2_version=${{ env.libxml2_version }}
          nv_version=${{ env.nv_version }}
          libmfx_version=${{ env.libmfx_version }}
          libvpx_version=${{ env.libvpx_version }}
          glslang_version=${{ env.glslang_version }}
          PKG_CONFIG_PATH=/usr/lib/pkgconfig:/usr/local/lib/pkgconfig:/usr/lib64/pkgconfig
          CMAKE_ARGS="-DZLIB_USE_STATIC_LIBS=OFF -DCMAKE_POSITION_INDEPENDENT_CODE=ON -DCMAKE_C_FLAGS=-fPIC -DCMAKE_CXX_FLAGS=-fPIC -DCMAKE_MODULE_LINKER_FLAGS=-Wl,-Bsymbolic"
        CIBW_ENVIRONMENT_MACOS: >
          MACOSX_DEPLOYMENT_TARGET=15
          CMAKE_ARGS="-DZLIB_USE_STATIC_LIBS=OFF"
        CIBW_BEFORE_ALL_LINUX: |
          set -e
          if command -v dnf >/dev/null 2>&1; then
            dnf install -y epel-release dnf-plugins-core
            dnf -y install wget curl git make gcc gcc-c++ cmake ninja-build nasm zlib-devel pkgconf-pkg-config diffutils python3-pip vulkan-headers vulkan-loader-devel autoconf automake libtool
          else
            apk add --no-cache wget curl git make gcc g++ cmake ninja nasm zlib-dev pkgconfig diffutils python3 py3-pip vulkan-headers vulkan-loader-dev autoconf automake libtool make
          fi &&
          pip3 install meson
          ARCH=$(uname -m)
          if [[ "$ARCH" == "x86_64" ]]; then
            export PREFIX=/usr SUDO="" EXTRA_FFMPEG_FLAGS="--enable-cuvid --enable-nvdec --enable-libmfx"
          else
            export PREFIX=/usr SUDO="" EXTRA_FFMPEG_FLAGS="--enable-cuvid --enable-nvdec"
          fi
          ${{ env.BUILD_COMMANDS }}
        CIBW_BEFORE_ALL_MACOS: |
          brew install cmake meson nasm ninja pkg-config zlib wget vulkan-headers vulkan-loader autoconf automake libtool
          export PREFIX=/usr/local SUDO="sudo" EXTRA_FFMPEG_FLAGS="--disable-videotoolbox --disable-audiotoolbox"
          ${{ env.BUILD_COMMANDS }}
      with:
        output-dir: dist
        extras: uv

    - name: Test macOS Wheel
      if: runner.os == 'macOS'
      run: |
        export HOMEBREW_NO_REQUIRE_TAP_TRUST=1
        brew install vapoursynth
        BREW_PREFIX=$(brew --prefix)

        python3 -m venv test_env
        source test_env/bin/activate

        export LIBRARY_PATH="$BREW_PREFIX/lib:$LIBRARY_PATH"
        export PKG_CONFIG_PATH="$BREW_PREFIX/lib/pkgconfig:$PKG_CONFIG_PATH"
        export DYLD_FALLBACK_LIBRARY_PATH="$BREW_PREFIX/lib:$DYLD_FALLBACK_LIBRARY_PATH"

        pip install --upgrade pip
        pip install vapoursynth
        pip install dist/*macosx*.whl

        python3 -c "import vapoursynth, os; core = vapoursynth.core; plugins = [p.name for p in core.plugins()]; print('Successfully loaded plugins:', plugins); p_dir = os.path.join(os.path.dirname(vapoursynth.__file__), 'plugins'); print('Contents of plugins directory:', os.listdir(p_dir) if os.path.exists(p_dir) else 'DIR NOT FOUND'); assert any('lsmash' in p.lower() for p in plugins), 'lsmashsource plugin failed to autoload!'"

    #- name: Test macOS Wheel
    #  if: runner.os == 'macOS'
    #  run: |
    #    export HOMEBREW_NO_REQUIRE_TAP_TRUST=1
    #    brew install vapoursynth
    #    BREW_PREFIX=$(brew --prefix)
    #
    #    python3 -m venv test_env
    #    source test_env/bin/activate
    #
    #    export LIBRARY_PATH="$BREW_PREFIX/lib:$LIBRARY_PATH"
    #    export PKG_CONFIG_PATH="$BREW_PREFIX/lib/pkgconfig:$PKG_CONFIG_PATH"
    #    export DYLD_FALLBACK_LIBRARY_PATH="$BREW_PREFIX/lib:$DYLD_FALLBACK_LIBRARY_PATH"
    #
    #    pip install --upgrade pip
    #    pip install vapoursynth
    #    pip install dist/*macosx*.whl
    #
    #    echo "Locating installed plugin..."
    #    # Use Python to find the exact path pip installed the .so file to
    #    PLUGIN_PATH=$(python3 -c "import vapoursynth, os; print(os.path.join(os.path.dirname(vapoursynth.__file__), 'plugins', 'liblsmashsource.so'))")
    #    echo "Plugin located at: $PLUGIN_PATH"
    #
    #    echo "--- Checking dynamic dependencies (otool) ---"
    #    # This shows what the plugin THINKS it needs
    #    otool -L "$PLUGIN_PATH"
    #
    #    echo "--- Forcing macOS dyld to load the plugin (ctypes) ---"
    #    # This will intentionally crash and print the EXACT missing library or architecture error
    #    python3 -c "import ctypes; ctypes.CDLL('$PLUGIN_PATH')"

    - name: Test Linux Wheel
      if: runner.os == 'Linux'
      run: |
        python3 -m venv test_env
        source test_env/bin/activate

        pip install --upgrade pip
        pip install vapoursynth

        pip install dist/*manylinux*.whl

        echo "Testing VapourSynth Autoloading..."
        python3 -c "import vapoursynth; core = vapoursynth.core; plugins = [p.name for p in core.plugins()]; print('Successfully loaded plugins:', plugins); assert any('lsmash' in p.lower() for p in plugins), 'Plugin failed to autoload!'; print('✅ SUCCESS: Plugin autoloaded correctly!')"

    - uses: actions/upload-artifact@v7.0.1
      with:
        name: lsmashsource-${{ matrix.arch }}
        path: dist

  build-windows-wheel:
    runs-on: windows-latest
    defaults:
      run:
        shell: msys2 {0}
    steps:
    - uses: actions/checkout@v7
      with:
        fetch-depth: 0
        submodules: true
    - uses: msys2/setup-msys2@v2.32.0
      with:
        msystem: UCRT64
        update: true
        install: >-
          mingw-w64-ucrt-x86_64-cmake
          mingw-w64-ucrt-x86_64-gcc
          mingw-w64-ucrt-x86_64-meson
          mingw-w64-ucrt-x86_64-ninja
          mingw-w64-ucrt-x86_64-nasm
          mingw-w64-ucrt-x86_64-pkgconf
          mingw-w64-ucrt-x86_64-zlib
          mingw-w64-ucrt-x86_64-vulkan-headers
          mingw-w64-ucrt-x86_64-vulkan-loader
          mingw-w64-ucrt-x86_64-glslang
          mingw-w64-ucrt-x86_64-autotools
          mingw-w64-ucrt-x86_64-python
          mingw-w64-ucrt-x86_64-python-pip
          mingw-w64-ucrt-x86_64-python-wheel
          git
          make
          wget
          diffutils

    - name: Build Dependencies and Plugin
      run: |
        export PREFIX=/ucrt64 SUDO="" EXTRA_FFMPEG_FLAGS="--enable-cuvid --enable-nvdec --enable-libmfx --enable-w32threads --pkg-config-flags=-static"
        ${{ env.BUILD_COMMANDS }}

        git config --global --add safe.directory /github/workspace
        if [ "${{ github.ref_type }}" = "tag" ]; then
          export SETUPTOOLS_SCM_PRETEND_VERSION="${{ github.ref_name }}"
        fi

        python -m pip install build scikit-build-core --break-system-packages
        export LDFLAGS="-static-libgcc -static-libstdc++ -static"
        python -m build --outdir dist

    - name: Test Windows Wheel
      run: |
        echo "Creating isolated Python virtual environment..."
        python -m venv test_env
        source test_env/bin/activate

        echo "Installing VapourSynth via pip..."
        pip install --upgrade pip
        pip install vapoursynth

        echo "Installing the built wheel for testing..."
        pip install dist/*ucrt_gnu.whl

        echo "Testing VapourSynth Autoloading on Windows..."
        python -c "import vapoursynth; core = vapoursynth.core; plugins = [p.name for p in core.plugins()]; print('Successfully loaded plugins:', plugins); assert any('lsmash' in p.lower() for p in plugins), 'Plugin failed to autoload!'; print('SUCCESS: Plugin autoloaded correctly!')"

    - name: Retag Wheel for Distribution
      run: |
        echo "Test passed! Retagging wheel to win_amd64 for standard Windows users..."
        python -m wheel tags --platform-tag=win_amd64 --remove dist/*.whl

    - uses: actions/upload-artifact@v7.0.1
      with:
        name: lsmashsource-sdist
        path: dist/*.tar.gz

    - uses: actions/upload-artifact@v7.0.1
      with:
        name: lsmashsource-win_amd64
        path: dist/*.whl

  publish:
    permissions:
      id-token: write
    needs: [build-non-windows-wheel, build-windows-wheel]
    if: startsWith(github.ref, 'refs/tags/')
    runs-on: ubuntu-latest

    steps:
    - uses: actions/download-artifact@v8.0.1
      with:
        path: dist
        merge-multiple: true

    - uses: pypa/gh-action-pypi-publish@release/v1