Update app.py

app.py

@@ -2,12 +2,16 @@ import gradio as gr
 import cv2
 
 def video_feed():
-    cap = cv2.VideoCapture(0)  # Use 0 for default camera
+    cap = cv2.VideoCapture(0)  # Use 0 for the default camera
+    if not cap.isOpened():
+        raise RuntimeError("Could not start camera.")
     while True:
         ret, frame = cap.read()
         if not ret:
-            break
-        yield cv2.imencode('.jpg', frame)[1].tobytes()
+            continue
+        _, buffer = cv2.imencode('.jpg', frame)
+        frame = buffer.tobytes()
+        yield frame
 
     cap.release()