Build Windows CPU wheel #2
Workflow file for this run
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| name: Build and test Windows from source | |
| on: | |
| pull_request: | |
| push: | |
| branches: | |
| - nightly | |
| - main | |
| - release/* | |
| tags: | |
| - v[0-9]+.[0-9]+.[0-9]+-rc[0-9]+ | |
| workflow_dispatch: | |
| concurrency: | |
| group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref_name }}-${{ github.ref_type == 'branch' && github.sha }}-${{ github.event_name == 'workflow_dispatch' }} | |
| cancel-in-progress: true | |
| permissions: | |
| id-token: write | |
| contents: read | |
| defaults: | |
| run: | |
| shell: bash -l -eo pipefail {0} | |
| jobs: | |
| build-and-test: | |
| runs-on: windows-latest | |
| strategy: | |
| fail-fast: false | |
| matrix: | |
| python-version: ['3.9'] | |
| ffmpeg-version: ['4.4.2', '5.1.2', '6.1.1', '7.0.1'] | |
| steps: | |
| - name: Check out repo | |
| uses: actions/checkout@v3 | |
| - name: Setup conda env | |
| uses: conda-incubator/setup-miniconda@v2 | |
| with: | |
| auto-update-conda: true | |
| miniconda-version: "latest" | |
| activate-environment: build | |
| python-version: ${{ matrix.python-version }} | |
| - name: Install FFmpeg | |
| run: | | |
| # Install FFmpeg and its development headers | |
| conda install "ffmpeg=${{ matrix.ffmpeg-version }}" -c conda-forge | |
| # Try to install FFmpeg development package if available | |
| conda install ffmpeg-dev -c conda-forge || echo "ffmpeg-dev not available, continuing..." | |
| ffmpeg -version | |
| # On Windows, ensure the conda Library/bin directory is in PATH | |
| # This is needed for both pkg-config to find FFmpeg and for DLL loading | |
| conda_env_path=$(conda info --base)/envs/build | |
| library_bin_path="$conda_env_path/Library/bin" | |
| library_lib_path="$conda_env_path/Library/lib" | |
| library_include_path="$conda_env_path/Library/include" | |
| echo "Adding conda Library paths:" | |
| echo " bin: $library_bin_path" | |
| echo " lib: $library_lib_path" | |
| echo " include: $library_include_path" | |
| echo "$library_bin_path" >> $GITHUB_PATH | |
| # Also add Library/lib/pkgconfig to PKG_CONFIG_PATH for cmake to find FFmpeg | |
| pkg_config_path="$conda_env_path/Library/lib/pkgconfig" | |
| echo "Adding to PKG_CONFIG_PATH: $pkg_config_path" | |
| echo "PKG_CONFIG_PATH=$pkg_config_path" >> $GITHUB_ENV | |
| # Set additional environment variables that CMake might need | |
| echo "CMAKE_PREFIX_PATH=$conda_env_path/Library" >> $GITHUB_ENV | |
| echo "LIBRARY_PATH=$library_lib_path" >> $GITHUB_ENV | |
| echo "INCLUDE_PATH=$library_include_path" >> $GITHUB_ENV | |
| # Verify FFmpeg DLLs are accessible | |
| echo "Checking if FFmpeg DLLs are in PATH:" | |
| where avutil.dll || echo "avutil.dll not found in PATH" | |
| where avcodec.dll || echo "avcodec.dll not found in PATH" | |
| where avformat.dll || echo "avformat.dll not found in PATH" | |
| - name: Install build dependencies | |
| run: | | |
| # Install pkg-config and pybind11 which are needed for Windows builds | |
| conda install -y pkg-config pybind11 -c conda-forge | |
| # Install FFmpeg development dependencies that are needed for linking on Windows | |
| conda install -y ffmpeg-dev harfbuzz-dev freetype-dev fontconfig-dev -c conda-forge || true | |
| # Alternative: install common FFmpeg dependencies individually | |
| conda install -y harfbuzz freetype fontconfig expat libxml2 zlib libbz2 openssl -c conda-forge || true | |
| # Verify pkg-config can find FFmpeg | |
| echo "Testing pkg-config for FFmpeg libraries:" | |
| pkg-config --exists libavcodec && echo "libavcodec found" || echo "libavcodec NOT found" | |
| pkg-config --exists libavformat && echo "libavformat found" || echo "libavformat NOT found" | |
| pkg-config --exists libavutil && echo "libavutil found" || echo "libavutil NOT found" | |
| # Show what libraries pkg-config thinks we need | |
| echo "pkg-config --libs libavcodec:" | |
| pkg-config --libs libavcodec || true | |
| echo "pkg-config --libs libavformat:" | |
| pkg-config --libs libavformat || true | |
| - name: Update pip and install PyTorch | |
| run: | | |
| python -m pip install --upgrade pip | |
| python -m pip install --pre torch --index-url https://download.pytorch.org/whl/nightly/cpu | |
| - name: Build torchcodec from source | |
| run: | | |
| # Build without BUILD_AGAINST_ALL_FFMPEG_FROM_S3 to use system FFmpeg | |
| echo "Building torchcodec from source using system FFmpeg..." | |
| # On Windows, we may need to disable some CMake flags that cause linking issues | |
| export CMAKE_ARGS="-DCMAKE_BUILD_TYPE=Release -DTORCHCODEC_DISABLE_COMPILE_WARNING_AS_ERROR=ON" | |
| python -m pip install -e . --no-build-isolation -v | |
| - name: Test torchcodec import | |
| run: | | |
| echo "Testing torchcodec import..." | |
| python -c "import torchcodec; print('TorchCodec import successful!')" | |
| python -c "import torchcodec; print('FFmpeg versions:', torchcodec.get_ffmpeg_library_versions())" | |
| - name: Install test dependencies | |
| run: | | |
| python -m pip install numpy pytest pillow | |
| - name: Run Python tests | |
| run: | | |
| pytest test -v |