fix: use hf-cloudflare turn server

main.py

@@ -17,6 +17,8 @@ from fastrtc import (
     AlgoOptions,
     SileroVadOptions,
     audio_to_bytes,
+    get_cloudflare_turn_credentials,
+    get_cloudflare_turn_credentials_async,
 )
 from transformers import (
     AutoModelForSpeechSeq2Seq,
@@ -102,8 +104,10 @@ async def transcribe(audio: tuple[int, np.ndarray]):
     )
     yield AdditionalOutputs(outputs["text"].strip())
 
-get_credentials = get_credential_function(TURN_SERVER_PROVIDER, is_async=True) if APP_MODE == "deployed" else None
-server_rtc_configuration = get_rtc_credentials(provider=TURN_SERVER_PROVIDER, ttl=360_000) if APP_MODE == "deployed" else None
+#get_credentials = get_credential_function(TURN_SERVER_PROVIDER, is_async=True) if APP_MODE == "deployed" else None
+#server_rtc_configuration = get_rtc_credentials(provider=TURN_SERVER_PROVIDER, ttl=360_000) if APP_MODE == "deployed" else None
+async def get_credentials():
+    return await get_cloudflare_turn_credentials_async(hf_token=os.getenv("HF_TOKEN"))
 
 logger.info("Initializing FastRTC stream")
 stream = Stream(
@@ -143,7 +147,8 @@ stream = Stream(
     ],
     additional_outputs_handler=lambda current, new: current + " " + new,
     rtc_configuration=get_credentials,
-    server_rtc_configuration=server_rtc_configuration,
+    #server_rtc_configuration=server_rtc_configuration,
+    server_rtc_configuration=get_cloudflare_turn_credentials(ttl=360_000),
     concurrency_limit=6
 )
 
@@ -161,10 +166,11 @@ async def index():
     # Return the actual credentials for client-side, not the function
     rtc_config = None
     if APP_MODE == "deployed":
-        if asyncio.iscoroutinefunction(get_credentials):
-            rtc_config = await get_credentials()
-        else:
-            rtc_config = get_rtc_credentials(provider=TURN_SERVER_PROVIDER)
+        #if asyncio.iscoroutinefunction(get_credentials):
+        #    rtc_config = await get_credentials()
+        #else:
+        #    rtc_config = get_rtc_credentials(provider=TURN_SERVER_PROVIDER)
+        rtc_config = get_cloudflare_turn_credentials(ttl=360_000)
             
     return HTMLResponse(content=html_content.replace("__RTC_CONFIGURATION__", json.dumps(rtc_config)))