Add Windows ARM64 wheels and tests

Author: ndabas

.github/workflows/build-rtc.yml

@@ -73,6 +73,8 @@ jobs:
             archs: aarch64
           - os: windows-latest
             archs: AMD64
+          - os: windows-11-arm
+            archs: ARM64
           - os: macos-latest
             archs: x86_64 arm64
     defaults:
@@ -166,6 +168,16 @@ jobs:
           - os: windows-latest
             python-version: "3.14"
             artifact: rtc-release-windows-latest
+          # Windows ARM64 tests
+          - os: windows-11-arm
+            python-version: "3.11"
+            artifact: rtc-release-windows-11-arm
+          - os: windows-11-arm
+            python-version: "3.12"
+            artifact: rtc-release-windows-11-arm
+          - os: windows-11-arm
+            python-version: "3.14"
+            artifact: rtc-release-windows-11-arm
     uses: ./.github/workflows/tests.yml
     with:
       os: ${{ matrix.os }}

.github/workflows/publish.yml

@@ -211,6 +211,8 @@ jobs:
             archs: aarch64
           - os: windows-latest
             archs: AMD64
+          - os: windows-11-arm
+            archs: ARM64
           - os: macos-latest
             archs: x86_64 arm64
     defaults:

livekit-rtc/setup.py

@@ -56,10 +56,7 @@ def get_platform_tag():
     elif sys.platform == "linux":
         return f"linux_{platform.machine()}"
     elif sys.platform == "win32":
-        arch = platform.machine()
-        if arch == "AMD64":
-            arch = "amd64"
-        return f"win_{arch}"
+        return f"win_{platform.machine().lower()}"
     else:
         return f"{platform.system().lower()}_{platform.machine()}"