diff --git a/.github/workflows/ffmpeg.yml b/.github/workflows/ffmpeg.yml
index e4043c5..ea9a17b 100644
--- a/.github/workflows/ffmpeg.yml
+++ b/.github/workflows/ffmpeg.yml
@@ -333,6 +333,7 @@ jobs:
         path: dist/libzimg.tgz
 
   libopus:
+    if: ${{ false }}
     runs-on: windows-2019
     steps:
     - name: Set up MSYS2
@@ -372,11 +373,41 @@ jobs:
         path: dist/libopus.tgz
 
   libx264:
-    if: ${{ false }}
     runs-on: windows-2019
     steps:
     - name: Set up MSYS2
-      run: echo "bla"
+      uses: msys2/setup-msys2@v2
+      with:
+        install: base-devel binutils autotools automake mingw-w64-x86_64-cmake nasm
+        path-type: inherit
+    - name: Set up cache
+      uses: actions/cache@v2
+      env:
+        cache-name: cache-ffmpeg-${{ env.msysConfig }}
+      with:
+        path: cache
+        key: cache-key
+    - name: Set up GIT
+      run: |
+        git config --global core.autocrlf false
+        git config --global core.eol lf
+    - name: Checkout X264
+      uses: actions/checkout@v3.0.0
+      with:
+        repository: mirror/x264
+        ref: master
+        path: x264
+    - name: Build X264
+      shell: cmd
+      run: |
+        call "${{ env.vsPath }}VC\Auxiliary\Build\vcvars64.bat"
+        md build build\include build\lib build\lib\pkgconfig dist
+        D:\a\_temp\setup-msys2\msys2.cmd -c 'cd x264 ; CC=cl ./configure --prefix=$(realpath ../build) --disable-cli --enable-static --enable-pic --libdir=../build/lib ; make -j ; make install-lib-static ; cd ../build ; tar czf ../dist/libx264.tgz *'
+    - name: Publish artifact
+      uses: actions/upload-artifact@v2
+      with:
+        name: libx264
+        path: dist/libx264.tgz
 
   libx265:
     if: ${{ false }}