Enable parallel building for Windows

Author: WyattBlue

.github/workflows/build-ffmpeg.yml

@@ -87,19 +87,18 @@ jobs:
           path: output/
 
   cross-build:
-    runs-on: ${{ matrix.os }}
+    runs-on: ubuntu-24.04
     strategy:
       fail-fast: false
       matrix:
-        os: [ "ubuntu-24.04" ]
         build: [ "manylinux_", "musllinux_" ]
         # arch: [ "loongarch64", "ppc64le", "riscv64", "s390x" ]
         arch: [ "ppc64le" ]
     steps:
       - uses: actions/checkout@v6
       - uses: actions/setup-python@v6
         with:
-          python-version: "3.13"
+          python-version: "3.14"
       - uses: docker/setup-qemu-action@v3
       - name: Build FFmpeg
         env:

scripts/build-ffmpeg.py

@@ -154,8 +154,7 @@ def calculate_sha256(filename: str) -> str:
         name="opencore-amr",
         source_url="https://downloads.sourceforge.net/project/opencore-amr/opencore-amr/opencore-amr-0.1.6.tar.gz",
         sha256="483eb4061088e2b34b358e47540b5d495a96cd468e361050fae615b1809dc4a1",
-        # parallel build hangs on Windows
-        build_parallel=plat != "Windows",
+        build_arguments=["--disable-dependency-tracking"],
         when=When.community_only,
     ),
     Package(