Update app.py

app.py

@@ -1,24 +1,20 @@
 import streamlit as st
-import cv2
+from streamlit_webrtc import webrtc_streamer
+import av
 
-def main():
-    st.set_page_config(page_title="Streamlit WebCam App")
-    st.title("Webcam Display Steamlit App")
-    st.caption("Powered by OpenCV, Streamlit")
-    cap = cv2.VideoCapture(0)
-    frame_placeholder = st.empty()
-    stop_button_pressed = st.button("Stop")
-    while cap.isOpened() and not stop_button_pressed:
-        ret, frame = cap.read()
-        if not ret:
-            st.write("Video Capture Ended")
-            break
-        frame = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
-        frame_placeholder.image(frame,channels="RGB")
-        if cv2.waitKey(1) & 0xFF == ord("q") or stop_button_pressed:
-            break
-    cap.release()
-    cv2.destroyAllWindows()
+st.title("Webcam Display Streamlit App")
 
-if __name__ == "__main__":
-    main()
+# Define the callback for transforming frames (without applying any filters)
+def transform(frame: av.VideoFrame):
+    img = frame.to_ndarray(format="bgr24")  # Convert to NumPy array (BGR format)
+    
+    # Simply return the image without applying any filters
+    return av.VideoFrame.from_ndarray(img, format="bgr24")
+
+# Display the video stream
+webrtc_streamer(
+    key="streamer",
+    video_frame_callback=transform,  # The transform function is only used to process frames
+    sendback_audio=False,  # We don't need audio in this case
+    mode="SENDRECV",  # Bidirectional mode to send and receive video
+)