build.yml

name: build

on:
  push:
    branches:
      - "**"
  pull_request:
    branches:
      - "**"
  workflow_dispatch:

concurrency:
  group: build-${{ github.ref }}
  cancel-in-progress: true

jobs:
  build:
    name: Build Android AAR
    runs-on: ubuntu-24.04

    permissions:
      contents: read

    env:
      CACHE_MODE: folder
      CACHE_FOLDER: ${{ github.workspace }}/gh-cache

      CCACHE_DIR: ${{ github.workspace }}/.ccache
      CCACHE_BASEDIR: ${{ github.workspace }}
      CCACHE_MAXSIZE: 5G
      CCACHE_COMPRESS: "true"
      CCACHE_NOHASHDIR: "true"
      CCACHE_DISABLE: "true"

      GRADLE_OPTS: >-
        -Xmx4G
        -Dorg.gradle.daemon=false
        -Dorg.gradle.caching=true
        -Dorg.gradle.parallel=true
        -Dorg.gradle.configureondemand=true

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Setup Java 17
        uses: actions/setup-java@v4
        with:
          java-version: "17"
          distribution: temurin
          cache: gradle

      - name: Setup Python 3.12
        uses: actions/setup-python@v5
        with:
          python-version: "3.12"

      - name: Export CI environment variables
        run: |
          buildscripts/include/ci.sh export >> "$GITHUB_ENV"

      - name: Restore Android SDK cache
        id: android-sdk-cache
        uses: actions/cache/restore@v4
        with:
          path: buildscripts/sdk/
          key: android-sdk-${{ runner.os }}-${{ hashFiles('buildscripts/include/depinfo.sh', 'buildscripts/include/download-sdk.sh') }}
          restore-keys: |
            android-sdk-${{ runner.os }}-

      - name: Restore native prefix cache
        id: native-prefix-cache
        uses: actions/cache/restore@v4
        with:
          path: gh-cache/
          key: native-prefix-${{ runner.os }}-${{ env.CACHE_IDENTIFIER }}
          restore-keys: |
            native-prefix-${{ runner.os }}-

      - name: Restore ccache
        id: ccache-cache
        uses: actions/cache/restore@v4
        with:
          path: .ccache/
          key: ccache-${{ runner.os }}-${{ github.ref_name }}-${{ github.sha }}
          restore-keys: |
            ccache-${{ runner.os }}-${{ github.ref_name }}-
            ccache-${{ runner.os }}-

      - name: Install system dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y \
            autoconf \
            automake \
            build-essential \
            ccache \
            gcc g++ \
            cmake \
            gettext \
            gperf \
            libtool \
            nasm \
            ninja-build \
            pkg-config \
            python3 \
            python3-pip \
            unzip \
            wget

      - name: Install Python build dependencies
        run: |
          python3 -m pip install --upgrade pip
          python3 -m pip install --upgrade meson jinja2 jsonschema

      - name: Download and extract source dependencies
        run: |
          set -euxo pipefail
          cd buildscripts
          ./download.sh

      - name: Save Android SDK cache
        if: steps.android-sdk-cache.outputs.cache-hit != 'true'
        uses: actions/cache/save@v4
        with:
          path: buildscripts/sdk/
          key: android-sdk-${{ runner.os }}-${{ hashFiles('buildscripts/include/depinfo.sh', 'buildscripts/include/download-sdk.sh') }}

      - name: Save native prefix cache
        if: steps.native-prefix-cache.outputs.cache-hit != 'true'
        uses: actions/cache/save@v4
        with:
          path: gh-cache/
          key: native-prefix-${{ runner.os }}-${{ env.CACHE_IDENTIFIER }}

      - name: Show ccache stats before build
        run: |
          ccache --zero-stats || true
          ccache --show-stats || true

      - name: Build AAR for all Android architectures
        run: |
          set -euxo pipefail

          unset ANDROID_SDK_ROOT

          cd buildscripts

          source include/build_config.sh
          arches=(arm64)
          [ "$ENABLE_ARM_V9A" = "true" ] && arches+=(arm64-v9a)
          [ "$ENABLE_X86_ARCH" = "true" ] && arches+=(x86 x86_64)
          for arch in "${arches[@]}"; do
            ./buildall.sh --arch "$arch" mpv
          done

          ./buildall.sh --clean mpv-android

      - name: Show ccache stats after build
        if: always()
        run: |
          ccache --show-stats || true

      - name: Save ccache
        if: always() && steps.ccache-cache.outputs.cache-hit != 'true'
        uses: actions/cache/save@v4
        with:
          path: .ccache/
          key: ccache-${{ runner.os }}-${{ github.ref_name }}-${{ github.sha }}

      - name: Stage AAR artifact
        run: |
          set -euxo pipefail

          mkdir -p dist

          AAR_PATH="app/build/outputs/aar/app-release.aar"

          if [ ! -f "$AAR_PATH" ]; then
            echo "AAR file not found at: $AAR_PATH"
            find app/build/outputs -type f || true
            exit 1
          fi

          cp "$AAR_PATH" dist/mpvlib.aar

      - name: Upload AAR artifact
        uses: actions/upload-artifact@v4
        with:
          name: mpvlib
          path: dist/mpvlib.aar
          if-no-files-found: error