msys2_ffmpeg.yml

name: MSYS2 FFmpeg Plugins
on:
  schedule:
    - cron: '0 22 * * 1-5'

env:
  FFMPEG_PREFIX: /c/ffmpeg_mtl

permissions:
  contents: read

jobs:
  ffmpeg_build:
    name: MSYS2 FFmpeg Build
    runs-on: windows-latest
    strategy:
      fail-fast: false
      matrix:
        sys:
          - mingw64
        dpdk: [23.07]
    defaults:
      run:
        shell: msys2 {0}
    steps:
      - name: Harden Runner
        uses: step-security/harden-runner@1b05615854632b887b69ae1be8cbefe72d3ae423 # v2.6.0
        with:
          egress-policy: audit

      - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1

      - id: ffmpeg_compose
        uses: OpenVisualCloud/Media-Transport-Library@3b6d52ef0ecbea0872b5b82f711a963728c144b4 # main
        with:
          sys: ${{matrix.sys}}
          dpdk: ${{matrix.dpdk}}
          tap: false

      - name: Checkout mman-win32
        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
        with:
          repository: 'alitrack/mman-win32'
          ref: master
          path: mman-win32

      - name: Checkout Cisco H264
        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
        with:
          repository: 'cisco/openh264'
          ref: openh264v2.3.1
          path: openh264

      - name: Build IMTL app dependency
        run: |
          cd mman-win32
          ./configure --prefix=${MSYSTEM_PREFIX}
          make -j$(nproc) && make install

      - name: Build H264
        run: |
          cd openh264
          meson build
          ninja -C build install

        # Fixes in https://sourceforge.net/p/mingw-w64/mailman/message/29053757/
      - name: Fix mingw64 binutils
        run: |
          cp -f /mingw64/bin/ar.exe /mingw64/bin/x86_64-w64-mingw32-ar.exe
          cp -f /mingw64/bin/dlltool.exe /mingw64/bin/x86_64-w64-mingw32-dlltool.exe
          cp -f /mingw64/bin/nm.exe /mingw64/bin/x86_64-w64-mingw32-nm.exe
          cp -f /mingw64/bin/strip.exe /mingw64/bin/x86_64-w64-mingw32-strip.exe
          cp -f /mingw64/bin/windres.exe /mingw64/bin/x86_64-w64-mingw32-windres.exe

      - name: Checkout FFmpeg v4.4.2 aa28df
        run: |
          git config --global user.name github-actions
          git config --global user.email github-actions@github.com
          git clone https://git.ffmpeg.org/ffmpeg.git 
          cd ffmpeg
          git checkout release/4.4
          git reset --hard aa28df74ab197c49a05fecc40c81e0f8ec4ad0c3

      - name: Apply IMTL patches
        run: |
          pushd ffmpeg
          cp -f ../ecosystem/ffmpeg_plugin/kahawai_common.c ./libavdevice/
          cp -f ../ecosystem/ffmpeg_plugin/kahawai_common.h ./libavdevice/
          cp -f ../ecosystem/ffmpeg_plugin/kahawai_dec.c ./libavdevice/
          cp -f ../ecosystem/ffmpeg_plugin/kahawai_enc.c ./libavdevice/
          git am --whitespace=fix ../ecosystem/ffmpeg_plugin/0001-avdevice-kahawai-Add-kahawai-input-output-devices.patch

      - name: Setup FFmpeg enable MTL
        run: >
          cd ffmpeg &&
          ./configure --arch=x86_64
          --target-os=${{matrix.sys}}
          --cross-prefix=x86_64-w64-mingw32- 
          --prefix=${FFMPEG_PREFIX}
          --enable-shared 
          --enable-nonfree 
          --enable-gpl 
          --disable-lto 
          --enable-pic  
          --disable-w32threads 
          --enable-mtl 
          --enable-libx264 
          --enable-libopenh264 
          --enable-encoder=libopenh264

      - name: Build FFmpeg enable MTL
        run: |
          cd ffmpeg
          make -j$(nproc)
          make install
          cat ffbuild/config.log

      - name: Checks FFmpeg enable MTL
        run: |
          cd ${FFMPEG_PREFIX}/bin
          ./ffmpeg -version

      - name: Zip archive FFmpeg enable mtl
        run: |
          zip -r libmtl-${{matrix.sys}}-dpdk-v${{matrix.dpdk}}.zip build/lib
          zip -r ffmpeg-mtl-${{matrix.sys}}-dpdk-v${{matrix.dpdk}}.zip $FFMPEG_PREFIX/bin

      - uses: actions/upload-artifact@a8a3f3ad30e3422c9c7b888a15615d19a852ae32 # v3.1.3
        with:
          name: Intel Media Transport Library (libmtl.dll) Built on MSYS2 ${{matrix.sys}} DPDK v${{matrix.dpdk}}
          path: libmtl-${{matrix.sys}}-dpdk-v${{matrix.dpdk}}.zip

      - uses: actions/upload-artifact@a8a3f3ad30e3422c9c7b888a15615d19a852ae32 # v3.1.3
        with:
          name: FFmpeg enable MTL MSYS2 Windows Release (non-free, GPL) Built on MSYS2 ${{matrix.sys}} DPDK v${{matrix.dpdk}}
          path: ffmpeg-mtl-${{matrix.sys}}-dpdk-v${{matrix.dpdk}}.zip