ffmpeg-release.yml

name: ffmpeg-release

on:
  push:
    tags:
      - v*
    branches: [main]

jobs:
  export:
    runs-on: ubuntu-latest
    if: startsWith(github.ref, 'refs/tags/v')
    strategy:
      matrix:
        ffmpeg: ["7.0.2", "6.1.2", "5.1.6", "4.4.5"]
        flavor: [linux, windows]
    env:
      target_os:
      build_tag:
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@v3

      - name: Set build target (linux)
        if: matrix.flavor == 'linux'
        run: |
          echo "build_tag=ffmpeg-linux-export" >> $GITHUB_ENV
          echo "target_os=linux-amd64" >> $GITHUB_ENV

      - name: Set build target (windows)
        if: matrix.flavor == 'windows'
        run: |
          echo "build_tag=ffmpeg-windows-export" >> $GITHUB_ENV
          echo "target_os=windows-x64" >> $GITHUB_ENV

      - name: Export - ffmpeg
        run: |
          docker buildx build --platform linux/amd64 --target ${{ env.build_tag }} --output type=local,dest=/tmp/build \
            -t ${{ env.build_tag }} --build-arg FFMPEG_VERSION=${{ matrix.ffmpeg }} -f ./Dockerfile .

      - name: Archive artifact
        run: |
          mkdir /tmp/ffmpeg-${{ matrix.ffmpeg }}-${{ env.target_os }}
          mv /tmp/build/* /tmp/ffmpeg-${{ matrix.ffmpeg }}-${{ env.target_os }}/
          tar acvf /tmp/ffmpeg-${{ matrix.ffmpeg }}-${{ env.target_os }}.tar.xz -C /tmp ffmpeg-${{ matrix.ffmpeg }}-${{ env.target_os }}

      - name: Upload artifact
        uses: actions/upload-artifact@v4
        with:
          name: ffmpeg-${{ matrix.ffmpeg }}-${{ env.target_os }}
          path: /tmp/ffmpeg-${{ matrix.ffmpeg }}-${{ env.target_os }}.tar.xz

  release:
    runs-on: ubuntu-latest
    if: startsWith(github.ref, 'refs/tags/v')
    needs: [export]
    steps:
      - name: Download artifact
        uses: actions/download-artifact@v4
        with:
          path: /tmp/artifact

      - name: Release
        uses: softprops/action-gh-release@v2
        with:
          files: /tmp/artifact/**/*.tar.xz