Update src/detection/strategies/geometric.py

src/detection/strategies/geometric.py

@@ -26,6 +26,10 @@ class GeometricProcessor(BaseProcessor):
         self.MOUTH = [61, 291, 39, 181, 0, 17, 84, 178]
 
     def process_frame(self, frame):
+        # --- CRITICAL FIX ---
+        # Create a writable copy of the frame to prevent read-only errors.
+        frame = frame.copy()
+
         h, w, _ = frame.shape
         gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
         brightness = np.mean(gray)
@@ -46,8 +50,7 @@ class GeometricProcessor(BaseProcessor):
                 score = 0
                 weights = self.settings['indicator_weights']
 
-                # --- Draw Facial Landmarks (Logic Added Back) ---
-                # This will draw the green dots for eyes and mouth.
+                # --- Draw Facial Landmarks ---
                 eye_mouth_landmarks = self.L_EYE + self.R_EYE + self.MOUTH
                 for idx in eye_mouth_landmarks:
                     lm = landmarks[idx]
@@ -105,4 +108,4 @@ class GeometricProcessor(BaseProcessor):
         status_text = f"Status: {level} (Score: {score_val:.2f})"
         cv2.putText(frame, status_text, (20, 40), cv2.FONT_HERSHEY_SIMPLEX, 1, (255, 255, 255), 2, cv2.LINE_AA)
 
-        return frame, drowsiness_indicators, face_landmarks
+        return frame, drowsiness_indicators, face_landmarks