video_reader-rs_build.yml: add build workflow

Signed-off-by: Trevor Gamblin <tgamblin@baylibre.com>

Author: threexc

.github/workflows/video_reader-rs_build.yml

@@ -0,0 +1,95 @@
+name: Build
+
+on:
+  push:
+    branches: [main]
+    tags:
+      - '*'
+  pull_request:
+    branches: [main]
+
+permissions:
+  contents: read
+
+jobs:
+  linux:
+    runs-on: ${{ matrix.platform.runner }}
+    strategy:
+      matrix:
+        platform:
+          - runner: ubuntu-24.04-riscv
+            target: riscv64gc-unknown-linux-gnu
+            arch: riscv64
+    env:
+      FFMPEG_DIR: ${{ github.workspace }}/ffmpeg
+      FFMPEG_VERS: 8.1-1
+      FFMPEG_BASE_URL: https://github.com/PyAV-Org/pyav-ffmpeg/releases/download
+    steps:
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10  # v6.0.3
+        with:
+          persist-credentials: false
+
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10  # v6.0.3
+        with:
+          repository: gcanat/video_reader-rs
+          ref: v0.4.3
+          path: upstream
+
+      # actions/setup-python doesn't support riscv64 yet, so work around that by
+      # using a recent astral-sh/setup-uv action and activate it automatically
+      - uses: astral-sh/setup-uv@fac544c07dec837d0ccb6301d7b5580bf5edae39 # v8.2.0
+        with:
+          # Avoid this error:
+          # maturin failed
+          # Caused by: Free-threaded Python interpreter is only supported on 3.14 and later.
+          python-version: '3.14'
+          activate-environment: true
+          working-directory: upstream
+
+      - name: Set download url
+        id: download_url
+        run: |
+          DOWNLOAD_URL=$(
+            echo "${{ env.FFMPEG_BASE_URL }}/${{ env.FFMPEG_VERS }}/ffmpeg-manylinux-${{ matrix.platform.arch }}.tar.gz";
+          )
+          echo "ffmpeg_url=$DOWNLOAD_URL" >> $GITHUB_OUTPUT
+
+      - name: Build wheels
+        uses: PyO3/maturin-action@e83996d129638aa358a18fbd1dfb82f0b0fb5d3b  # v1.51.0
+        with:
+          working-directory: upstream
+          target: ${{ matrix.platform.target }}
+          before-script-linux: |
+            dnf install -y clang
+            curl -L "${{ steps.download_url.outputs.ffmpeg_url }}" -o ffmpeg.tar.gz
+            mkdir -p ${{ env.FFMPEG_DIR }}
+            tar -zxf ffmpeg.tar.gz -C ${{ env.FFMPEG_DIR }}
+          args: --release --out dist --interpreter '3.9 3.10 3.11 3.12 3.13 3.13t 3.14 3.14t pypy3.11'
+          manylinux: 2_39
+          docker-options: -e CI -e FFMPEG_DIR=${{ env.FFMPEG_DIR }}
+      - name: Upload wheels
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a  # v7.0.1
+        with:
+          name: wheels-linux-${{ matrix.platform.arch }}
+          path: dist
+          working-directory: upstream
+
+#  release:
+#    name: Release
+#    runs-on: ubuntu-latest
+#    if: "startsWith(github.ref, 'refs/tags/')"
+#    needs: [linux]
+#    permissions:
+#      id-token: write
+#    steps:
+#      - name: Download artifacts
+#        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c  # v8.0.1
+#        with:
+#          path: dist
+#          merge-multiple: true
+#      - name: Install uv
+#        uses: astral-sh/setup-uv@fac544c07dec837d0ccb6301d7b5580bf5edae39  # v8.2.0
+#      - name: Publish to PyPI
+#        env:
+#          UV_PUBLISH_TOKEN: ${{ secrets.PYPI_API_TOKEN }}
+#        run: uv publish