Update app.py

app.py

@@ -1,61 +1,27 @@
-import cv2
 import streamlit as st
 from streamlit_webrtc import webrtc_streamer, WebRtcMode
-import numpy as np
 import av
 
-st.title("OpenCV Filters on Video Stream")
-
-# Define the filter state variable
-filter = "none"
+st.title("Webcam Display Streamlit App")
 
+# Define the callback for transforming frames (without applying any filters)
 def transform(frame: av.VideoFrame):
-    img = frame.to_ndarray(format="bgr24")
-
-    # Apply the selected filter
-    if filter == "blur":
-        img = cv2.GaussianBlur(img, (21, 21), 0)
-    elif filter == "canny":
-        img = cv2.cvtColor(cv2.Canny(img, 100, 200), cv2.COLOR_GRAY2BGR)
-    elif filter == "grayscale":
-        img = cv2.cvtColor(cv2.cvtColor(img, cv2.COLOR_BGR2GRAY), cv2.COLOR_GRAY2BGR)
-    elif filter == "sepia":
-        kernel = np.array([[0.272, 0.534, 0.131], [0.349, 0.686, 0.168], [0.393, 0.769, 0.189]])
-        img = cv2.transform(img, kernel)
-    elif filter == "invert":
-        img = cv2.bitwise_not(img)
-    
-    # Debugging: Check if the frame is being processed
-    print(f"Processing frame with filter: {filter}")
+    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")
 
-# Streamlit buttons to choose filters
-col1, col2, col3, col4, col5, col6 = st.columns([1, 1, 1, 1, 1, 1])
-
-with col1:
-    if st.button("None"):
-        filter = "none"
-with col2:
-    if st.button("Blur"):
-        filter = "blur"
-with col3:
-    if st.button("Grayscale"):
-        filter = "grayscale"
-with col4:
-    if st.button("Sepia"):
-        filter = "sepia"
-with col5:
-    if st.button("Canny"):
-        filter = "canny"
-with col6:
-    if st.button("Invert"):
-        filter = "invert"
+# Streamlit buttons (optional, to stop the stream or interact further)
+stop_button_pressed = st.button("Stop")
 
 # Display the video stream
 webrtc_streamer(
     key="streamer",
-    video_frame_callback=transform,
-    sendback_audio=False,
-    mode=WebRtcMode.SENDRECV  # Ensure bidirectional communication (send/receive video)
+    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=WebRtcMode.RECVONLY,  # We are only receiving the video stream (not sending any video back)
 )
+
+# If you want a "Stop" button that halts the webcam stream, you can handle this through Streamlit
+if stop_button_pressed:
+    st.write("Stream stopped.")