Add Windows ARM64 wheels (#840)

Author: ndabas

.github/workflows/build-rtc.yml

@@ -80,6 +80,8 @@ jobs:
             archs: aarch64
           - os: windows-latest
             archs: AMD64
+          - os: windows-11-arm
+            archs: ARM64
           - os: macos-latest
             archs: x86_64 arm64
     defaults:
@@ -174,6 +176,16 @@ 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/package-release.yml

@@ -259,6 +259,8 @@ jobs:
             archs: aarch64
           - os: windows-latest
             archs: AMD64
+          - os: windows-11-arm
+            archs: ARM64
           - os: macos-latest
             archs: x86_64 arm64
     defaults:

livekit-rtc/livekit/rtc/audio_stream.py

@@ -248,7 +248,10 @@ def from_track(
         )
 
     def __del__(self) -> None:
-        FfiClient.instance.queue.unsubscribe(self._ffi_queue)
+        # _ffi_queue is unset if __init__ raised early or the instance was built via __new__
+        ffi_queue = getattr(self, "_ffi_queue", None)
+        if ffi_queue is not None:
+            FfiClient.instance.queue.unsubscribe(ffi_queue)
 
     def _create_owned_stream(self) -> Any:
         assert self._track is not None

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()}"
 

tests/api/test_access_token.py

@@ -18,7 +18,7 @@
 from livekit.protocol.agent_dispatch import RoomAgentDispatch
 
 TEST_API_KEY = "myapikey"
-TEST_API_SECRET = "thiskeyistotallyunsafe"
+TEST_API_SECRET = "thiskeyistotallyunsafe-but-32-bytes-long"
 
 
 def test_verify_token() -> None:
@@ -149,7 +149,7 @@ def test_agent_config() -> None:
 def test_verify_token_invalid() -> None:
     token = AccessToken(TEST_API_KEY, TEST_API_SECRET).with_identity("test_identity").to_jwt()
 
-    token_verifier = TokenVerifier(TEST_API_KEY, "invalid_secret")
+    token_verifier = TokenVerifier(TEST_API_KEY, "invalid_secret-padded-to-32-bytes-long")
     with pytest.raises(Exception):
         token_verifier.verify(token)
 

tests/api/test_webhook.py

@@ -5,7 +5,7 @@
 from livekit.api import AccessToken, TokenVerifier, WebhookReceiver
 
 TEST_API_KEY = "myapikey"
-TEST_API_SECRET = "thiskeyistotallyunsafe"
+TEST_API_SECRET = "thiskeyistotallyunsafe-but-32-bytes-long"
 TEST_EVENT = """
 {
   "event": "room_started",