Update app.py

app.py

@@ -55,6 +55,7 @@ def video_frame_callback(frame: av.VideoFrame) -> av.VideoFrame:
     global indexImg, output_text
 
     img = frame.to_ndarray(format="bgr24")
+    img = cv2.resize(img, (640, 480))  # Ensure fixed size
     result = hands.process(cv2.cvtColor(img, cv2.COLOR_BGR2RGB))
 
     # Create the keyboard buttons
@@ -115,8 +116,9 @@ def video_frame_callback(frame: av.VideoFrame) -> av.VideoFrame:
                    cv2.rectangle(img, (x, y), (x + bw, y + bh), (0, 255, 160), -1)
                    cv2.putText(img, button.text, (x + int(0.2 * bw), y + int(0.7 * bh)), cv2.FONT_HERSHEY_PLAIN, font_scale, (255, 255, 255), font_thickness)
 
-                   # #  # Handle button press
-                   # if (distance / np.sqrt(bbox[2] ** 2 + bbox[3] ** 2)) * 100 < click_threshold:
+                   #  # Handle button press
+                   if (distance / np.sqrt(bbox[2] ** 2 + bbox[3] ** 2)) * 100 < click_threshold:
+                       
                    #      if time.time() - prev_key_time[0] > 2:
                    #          prev_key_time[0] = time.time()
                    #          if button.text != 'BS' and button.text != 'SPACE':
@@ -142,7 +144,14 @@ webrtc_streamer(
     key="virtual-keyboard",
     mode=WebRtcMode.SENDRECV,
     rtc_configuration={"iceServers": get_ice_servers(), "iceTransportPolicy": "relay"},
-    media_stream_constraints={"video": True, "audio": False},
+    media_stream_constraints={
+        "video": {
+            "width": {"exact": 640}, 
+            "height": {"exact": 480}, 
+            # "frameRate": {"ideal": 30}
+        },
+        "audio": False,
+    },
     video_frame_callback=video_frame_callback,
     async_processing=True,
 )