Update pages/1_Live_Detection.py

pages/1_Live_Detection.py

@@ -37,7 +37,9 @@ def load_app_config():
     secrets = {
         "gemini_api_key": os.getenv("GEMINI_API_KEY"),
         "turn_username": os.getenv("TURN_USERNAME"),
-        "turn_credential": os.getenv("TURN_CREDENTIAL")
+        "turn_credential": os.getenv("TURN_CREDENTIAL"),
+        "metered_domain": os.getenv("METERED_DOMAIN"),
+        "metered_api_key": os.getenv("METERED_KEY")
     }
     return config, secrets
 
@@ -91,16 +93,24 @@ st.title("📹 Live Drowsiness Detection")
 st.info("Press 'START' to activate your camera and begin monitoring.")
 
 # --- Dynamically Build RTC Configuration ---
-ice_servers = [{'urls': 'stun:global.stun.twilio.com:3478'}]
-if secrets["turn_username"] and secrets["turn_credential"]:
-    turn_servers = [
-        {'urls': 'turn:global.turn.twilio.com:3478?transport=udp', 'username': secrets["turn_username"], 'credential': secrets["turn_credential"]},
-        {'urls': 'turn:global.turn.twilio.com:3478?transport=tcp', 'username': secrets["turn_username"], 'credential': secrets["turn_credential"]}
-    ]
-    ice_servers.extend(turn_servers)
-
-RTC_CONFIGURATION = RTCConfiguration({"iceServers": ice_servers})
-
+@st.cache_data(ttl=3600) # Cache the credentials for 1 hour
+def get_ice_servers():
+    """Build the list of ICE servers, including STUN and TURN from Metered."""
+    if not secrets["metered_domain"] or not secrets["metered_api_key"]:
+        print("No Metered credentials found. Using public STUN servers only.")
+        return [{"urls": ["stun:stun.l.google.com:19302"]}]
+    
+    try:
+        url = f"https://{secrets['metered_domain']}/api/v1/turn/credentials?apiKey={secrets['metered_api_key']}"
+        response = requests.get(url)
+        response.raise_for_status()
+        print("Successfully fetched ICE servers from Metered.ca")
+        return response.json()
+    except requests.exceptions.RequestException as e:
+        print(f"Warning: Could not fetch TURN credentials from Metered.ca: {e}")
+        return [{"urls": ["stun:stun.l.google.com:19302"]}]
+
+RTC_CONFIGURATION = RTCConfiguration({"iceServers": get_ice_servers()})
 
 col1, col2 = st.columns([3, 1])