Add experimental MPV player backend (#161)

Experimental MPV player backend

Related to #14, #22, & #85

You can switch to MPV in advanced settings and toggle using hardware
decoding or not.

This uses code and buildscripts from
https://github.com/mpv-android/mpv-android, plus other third party
libraries to build MPV

.github/workflows/release.yml

@@ -11,8 +11,6 @@ defaults:
 
 env:
   APK_SHORT_NAME: Wholphin.apk
-  BUILD_TOOLS_VERSION: 36.0.0
-  NDK_VERSION: "29.0.14206865"
 
 jobs:
   publish:
@@ -24,24 +22,12 @@ jobs:
         uses: actions/checkout@v5
         with:
           fetch-depth: 0 # Need the tags to build
-      - name: Setup Python
-        uses: actions/setup-python@v5
+      - name: Setup
+        uses: ./.github/actions/setup
+      - name: Native build
+        uses: ./.github/actions/native-build
         with:
-          python-version: '3.12'
-      - name: Setup JDK
-        uses: actions/setup-java@v5
-        with:
-          distribution: zulu
-          java-version: '21'
-          cache: 'gradle'
-      - name: Setup Android SDK
-        uses: android-actions/setup-android@v3
-        with:
-          packages: "tools platform-tools build-tools;${{ env.BUILD_TOOLS_VERSION }} ndk;${{ env.NDK_VERSION }}"
-      - name: Build ffmpeg decoder
-        id: ffmpeg-decoder
-        run: |
-          ./build_ffmpeg_decoder.sh "${{ env.ANDROID_SDK_ROOT }}/ndk/${{ env.NDK_VERSION }}"
+          cache: false
       - name: Build app
         id: buildapp
         env:
@@ -51,21 +37,31 @@ jobs:
           SIGNING_KEY: "${{ secrets.SIGNING_KEY }}"
         run: |
           ./gradlew clean assembleRelease
-          echo "apk=$(ls app/build/outputs/apk/release/Wholphin-release*.apk)" >> "$GITHUB_OUTPUT"
-      - name: Verify signature
+      - name: Verify signatures
         run: |
-          ${{env.ANDROID_SDK_ROOT}}/build-tools/${{ env.BUILD_TOOLS_VERSION }}/apksigner verify --verbose --print-certs "${{ steps.buildapp.outputs.apk }}"
-      - name: Copy APK to ${{ env.APK_SHORT_NAME }}
+          echo "Verify APK signatures"
+          find app/build/outputs/apk -name '*.apk'
+          find app/build/outputs/apk -name '*.apk' -print0 | xargs -0 -n1 ${{env.ANDROID_SDK_ROOT}}/build-tools/${{ env.BUILD_TOOLS_VERSION }}/apksigner verify --verbose --print-certs
+      - name: Copy APK to shorter names
+        id: apks
         run: |
-          cp "${{ steps.buildapp.outputs.apk }}" "${{ env.APK_SHORT_NAME }}"
+          find app/build/outputs/apk -name '*.apk' -print0 |
+            while IFS= read -r -d '' line; do
+              # Wholphin-release-0.2.9-62-g5c12e03-16-arm64-v8a.apk => Wholphin-arm64-v8a.apk
+              short_name="$(echo $line | sed -E 's/-release-[0-9]+\.[0-9]+\.[0-9]+-[0-9]+-g[a-fA-F0-9]+-[0-9]+//')"
+              echo "$line => $short_name"
+              #cp "$line" "$short_name"
+            done
+          apks=$(find app/build/outputs/apk -name '*.apk' -print0 | tr '\0' ',' | sed 's/,$//')
+          echo "apks=$apks" >> "$GITHUB_OUTPUT"
       - name: Checksums
         run: |
           echo "SHA256 checksums:"
-          sha256sum "${{ steps.buildapp.outputs.apk }}" "${{ env.APK_SHORT_NAME }}"
+          find app/build/outputs/apk -name '*.apk' -print0 | xargs -0 sha256sum
       - name: Create GitHub release
         uses: ncipollo/release-action@v1
         with:
-          artifacts: "${{ steps.buildapp.outputs.apk }},${{ env.APK_SHORT_NAME }}"
+          artifacts: "${{ steps.apks.outputs.apks }}"
           makeLatest: true
           prerelease: false
           generateReleaseNotes: false