migrated to actions

.github/actions/libvpx/action.yml

@@ -0,0 +1,46 @@
+name: libvpx
+
+inputs:
+  env:
+    type: string
+    required: true
+  config:
+    type: string
+    required: true
+
+runs:
+  using: "composite"
+  steps:
+  - name: Set up GIT
+    shell: cmd
+    run: |
+      git config --global core.autocrlf false
+      git config --global core.eol lf
+      git clone https://github.com/webmproject/libvpx.git vpx
+  - name: Check cache
+    id: libvpx-cache
+    uses: actions/cache@v3
+    with:
+      path: dist
+      key: libvpx-${{ inputs.env }}-${{ inputs.config }}-${{ hashFiles('vpx') }}
+  - name: Set up MSYS2
+    if: steps.libvpx-cache.outputs.cache-hit != 'true'
+    uses: msys2/setup-msys2@v2
+    with:
+      install: base-devel binutils autotools automake mingw-w64-x86_64-cmake nasm
+      path-type: inherit
+  - name: Build LibVpx
+    if: steps.libvpx-cache.outputs.cache-hit != 'true'
+    shell: cmd
+    env:
+      vsPath: C:\Program Files\Microsoft Visual Studio\2022\Enterprise\
+      cFlags: ${{ inputs.config == 'release' && '-MD' || '-MDd' }}
+    run: |
+      call "${{ env.vsPath }}VC\Auxiliary\Build\vcvars64.bat"
+      md build build\include build\lib build\lib\pkgconfig dist
+      D:\a\_temp\setup-msys2\msys2.cmd -c 'cd vpx ; ./configure --prefix=../build --target=x86_64-win64-vs17 --enable-vp9-highbitdepth --disable-shared --disable-examples --disable-tools --disable-docs --disable-libyuv --disable-unit_tests --disable-postproc ; make -j ; make install ; mv ../build/lib/x64/vpxmd.lib ../build/lib/vpx.lib ; rm -rf ../build/lib/x64 ; cd ../build ; tar czf ../dist/libvpx.tgz *'
+  - name: Publish artifact
+    uses: actions/upload-artifact@v2
+    with:
+      name: libvpx-${{ inputs.env }}-${{ inputs.config }}
+      path: dist/libvpx.tgz