Update app.py

app.py

@@ -55,7 +55,6 @@ 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
@@ -139,12 +138,18 @@ st.text_area("Typed Text", st.session_state["output_text"], height=150)
 
 st.write(st.session_state["output_text"])
 
-# WebRTC Streamer
 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,
 )