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PyAV: add riscv64 build support, use pyav-ffmpeg artifacts in smoke.yml #2407

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PyAV: add riscv64 build support, use pyav-ffmpeg artifacts in smoke.yml #2407

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47be30a
workflows: smoke: add '-y' for apt-get install
threexc Aug 28, 2026
cacd661
workflows: tests: add riscv64
threexc Aug 28, 2026
1f3705d
workflows: smoke: add riscv64
threexc Aug 28, 2026
e69183a
workflows: smoke: use pyav-ffmpeg archives
threexc Aug 31, 2026
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57 changes: 28 additions & 29 deletions .github/workflows/smoke.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -43,15 +43,29 @@ jobs:
fail-fast: false
matrix:
config:
- {os: ubuntu-24.04, python: "3.14", ffmpeg: "9.0.1", extras: true}
- {os: ubuntu-24.04, python: "3.12", ffmpeg: "8.1.2"}
- {os: ubuntu-24.04, python: "3.13", ffmpeg: "9.0.1"}
- {os: macos-14, python: "3.12", ffmpeg: "8.1.2"}
- {os: macos-14, python: "3.14", ffmpeg: "9.0.1"}
- {os: ubuntu-24.04, python: "3.14", ffmpeg: "9.0.1", ffmpeg_config: ffmpeg-latest.json, extras: true}
- {os: ubuntu-24.04, python: "3.12", ffmpeg: "8.1.2", ffmpeg_config: ffmpeg-8.1.json}
- {os: ubuntu-24.04, python: "3.13", ffmpeg: "9.0.1", ffmpeg_config: ffmpeg-latest.json}
- {os: ubuntu-24.04-riscv, python: "3.14", ffmpeg: "9.0.1", ffmpeg_config: ffmpeg-latest.json, extras: true}
- {os: ubuntu-24.04-riscv, python: "3.12", ffmpeg: "8.1.2", ffmpeg_config: ffmpeg-8.1.json}
- {os: ubuntu-24.04-riscv, python: "3.13", ffmpeg: "9.0.1", ffmpeg_config: ffmpeg-latest.json}
- {os: macos-14, python: "3.12", ffmpeg: "8.1.2", ffmpeg_config: ffmpeg-8.1.json}
- {os: macos-14, python: "3.14", ffmpeg: "9.0.1", ffmpeg_config: ffmpeg-latest.json}

env:
PYAV_PYTHON: python${{ matrix.config.python }}
PYAV_LIBRARY: ffmpeg-${{ matrix.config.ffmpeg }}
# riscv64 wheels (e.g. Pillow) are often missing on PyPI; RISE mirrors
# prebuilt wheels for it so uv doesn't have to build them from source.
# unsafe-best-match is needed so uv still falls back to PyPI for
# packages/versions RISE doesn't happen to carry.
UV_INDEX: ${{ matrix.config.os == 'ubuntu-24.04-riscv' && 'https://pypi.riseproject.dev/simple/' || '' }}
UV_INDEX_STRATEGY: ${{ matrix.config.os == 'ubuntu-24.04-riscv' && 'unsafe-best-match' || 'first-index' }}
# pyav-ffmpeg's vendor packages bake prefix=/tmp/vendor into their .pc
# files (not relocatable), so they must be extracted there verbatim.
PKG_CONFIG_PATH: /tmp/vendor/lib/pkgconfig
LD_LIBRARY_PATH: /tmp/vendor/lib
DYLD_LIBRARY_PATH: /tmp/vendor/lib

steps:
- uses: actions/checkout@v7
Expand All @@ -64,33 +78,18 @@ jobs:
python-version: ${{ matrix.config.python }}

- name: OS Packages
if: runner.os == 'Linux'
run: |
case ${{ matrix.config.os }} in
ubuntu-24.04)
sudo apt-get update
sudo apt-get install \
autoconf \
automake \
build-essential \
cmake \
libtool \
libx264-dev \
nasm \
pkg-config \
zlib1g-dev
if [[ "${{ matrix.config.extras }}" ]]; then
sudo apt-get install doxygen
fi
;;
macos-14)
brew install automake libtool opus x264
;;
esac

- name: Pip and FFmpeg
sudo apt-get update
sudo apt-get install -y build-essential cmake pkg-config zlib1g-dev libxcb-shape0
if [[ "${{ matrix.config.extras }}" ]]; then
sudo apt-get install -y doxygen
fi

- name: FFmpeg
run: |
. scripts/activate.sh ffmpeg-${{ matrix.config.ffmpeg }}
scripts/build-deps
python scripts/fetch-vendor.py --config-file scripts/${{ matrix.config.ffmpeg_config }} /tmp/vendor

- name: Build
run: |
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7 changes: 6 additions & 1 deletion .github/workflows/tests.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,8 @@ jobs:
arch: arm64
- os: macos-15-intel
arch: x86_64
- os: ubuntu-24.04-riscv
arch: riscv64
- os: ubuntu-24.04-arm
arch: aarch64
- os: ubuntu-24.04
Expand Down Expand Up @@ -61,7 +63,10 @@ jobs:
CIBW_BEFORE_BUILD: python scripts/fetch-vendor.py --config-file scripts/ffmpeg-latest.json /tmp/vendor
CIBW_BEFORE_BUILD_MACOS: python scripts/fetch-vendor.py --config-file scripts/ffmpeg-latest.json /tmp/vendor
CIBW_BEFORE_BUILD_WINDOWS: python scripts\fetch-vendor.py --config-file scripts\ffmpeg-latest.json C:\cibw\vendor
CIBW_ENVIRONMENT_LINUX: LD_LIBRARY_PATH=/tmp/vendor/lib:$LD_LIBRARY_PATH PKG_CONFIG_PATH=/tmp/vendor/lib/pkgconfig
# riscv64 wheels (e.g. numpy, for CIBW_TEST_REQUIRES) are often missing on
# PyPI; RISE mirrors prebuilt wheels for it. unsafe-best-match is needed so
# uv still falls back to PyPI for packages/versions RISE doesn't carry.
CIBW_ENVIRONMENT_LINUX: LD_LIBRARY_PATH=/tmp/vendor/lib:$LD_LIBRARY_PATH PKG_CONFIG_PATH=/tmp/vendor/lib/pkgconfig${{ matrix.arch == 'riscv64' && ' UV_INDEX=https://pypi.riseproject.dev/simple/ UV_INDEX_STRATEGY=unsafe-best-match' || '' }}
CIBW_ENVIRONMENT_MACOS: PKG_CONFIG_PATH=/tmp/vendor/lib/pkgconfig LDFLAGS=-headerpad_max_install_names
CIBW_ENVIRONMENT_WINDOWS: INCLUDE=C:\\cibw\\vendor\\include LIB=C:\\cibw\\vendor\\lib PYAV_SKIP_TESTS=unicode_filename
CIBW_REPAIR_WHEEL_COMMAND_WINDOWS: delvewheel repair --add-path C:\cibw\vendor\bin -w {dest_dir} {wheel}
Expand Down