diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
deleted file mode 100644
index 556c812..0000000
--- a/.github/workflows/build.yml
+++ /dev/null
@@ -1,23 +0,0 @@
-name: Build FFmpeg
-
-on:
-  workflow_dispatch:
-    inputs:
-      config:
-        description: 'Configuration'     
-        required: true
-        default: 'Debug'
-        
-jobs:
-
-  ffmpeg:
-    runs-on: windows-2022
-    needs: []
-    steps:
-      - name: Configure
-        shell: cmd
-        run: |
-          wsl -l -o
-          wsl --install -d Debian
-          wsl -l -v
-
diff --git a/.github/workflows/libfdkaac.yml b/.github/workflows/libfdkaac.yml
new file mode 100644
index 0000000..36d746e
--- /dev/null
+++ b/.github/workflows/libfdkaac.yml
@@ -0,0 +1,50 @@
+name: Build FFmpeg
+
+on:
+  workflow_dispatch:
+    inputs:
+      config:
+        description: 'Configuration'     
+        required: true
+        default: 'Debug'
+        
+jobs:
+
+  libfdk-aac:
+    if: ${{ false }}
+    runs-on: windows-2019
+    steps:
+    - name: Set up MSYS2
+      uses: msys2/setup-msys2@v2
+      with:
+        install: base-devel binutils autotools automake mingw-w64-x86_64-cmake nasm
+        path-type: inherit
+    - name: Set up cache
+      uses: actions/cache@v2
+      env:
+        cache-name: cache-ffmpeg-${{ 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 FDK AAC
+      uses: actions/checkout@v3.0.0
+      with:
+        repository: mstorsjo/fdk-aac
+        ref: master
+        path: fdk-aac
+    - name: Build FDK AAC
+      shell: cmd
+      run: |
+        call "${{ env.vsPath }}VC\Auxiliary\Build\vcvars64.bat"
+        md build dist
+        D:\a\_temp\setup-msys2\msys2.cmd -c 'cd fdk-aac ; autoreconf -i ; CC=cl.exe CXX=cl.exe CXXFLAGS=${{ env.cFlags }} ./configure --prefix=$(realpath ../build) --disable-shared --disable-static ; make -j ; make install ; cd ../build ; tar czf ../dist/libfdkaac.tgz *'
+        #patch -N -p1 -i ../../patches/0003-dynamic-loading-of-shared-fdk-aac-library-5.0.patch  
+    - name: Publish artifact
+      uses: actions/upload-artifact@v2
+      with:
+        name: libfdkaac
+        path: dist/libfdkaac.tgz