app.py

import streamlit as st
from streamlit_webrtc import webrtc_streamer
import av
import os
from twilio.rest import Client

os.environ["TWILIO_ACCOUNT_SID"] = 223e5388402c66735407ff8d
os.environ["TWILIO_AUTH_TOKEN"] = eb4673a2020af7d412359956fd1a2e2de594


def get_ice_servers()
    try:
        account_sid = os.environ["TWILIO_ACCOUNT_SID"]
        auth_token = os.environ["TWILIO_AUTH_TOKEN"]
    except KeyError:
        logger.warning("TURN credentials are not set. Fallback to a free STUN server from Google.")
        return [{"urls": ["stun:stun.l.google.com:19302"]}]

    client = Client(account_sid, auth_token)

    token = client.tokens.create()
    
def video_frame_callback(frame):
    img = frame.to_ndarray(format="bgr24")

    flipped = img[::-1,:,:] if flip else img

    return av.VideoFrame.from_ndarray(flipped, format="bgr24")


flip = st.checkbox("Flip")

webrtc_streamer(
    key="example",
    video_frame_callback=video_frame_callback,
    rtc_configuration={  # Add this config
        "iceServers": get_ice_servers()
    }
)