app.py

import cv2
import streamlit as st

for i in range(-1, 10):  # Try indices from 0 to 9
    cap = cv2.VideoCapture(i)
    if cap.isOpened():
        print(f"Camera index {i} is open.")
        cap.release()
    else:
        print(f"Camera index {i} is not open.")
st.title("Sign Language App")

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 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()