import cv2
from flask import Flask, Response
import threading

app = Flask(__name__)

# Kamera ja kehykset globaalina
camera = cv2.VideoCapture(0)
current_frame = None

def capture_frames():
    global camera, current_frame
    while True:
        success, frame = camera.read()
        if success:
            current_frame = cv2.imencode('.jpg', frame)[1].tobytes()

# Käynnistä taustasäie kameran pitämiseksi päällä
frame_thread = threading.Thread(target=capture_frames, daemon=True)
frame_thread.start()

def generate_frames():
    global current_frame
    while True:
        if current_frame is not None:
            yield (b'--frame\r\n'
                   b'Content-Type: image/jpeg\r\n\r\n' + current_frame + b'\r\n')

@app.route('/video_feed')
def video_feed():
    return Response(generate_frames(), mimetype='multipart/x-mixed-replace; boundary=frame')

@app.route('/')
def index():
    return "<h1>Live Stream</h1><img src='/video_feed' width='640'>"

if __name__ == "__main__":
    app.run(host='0.0.0.0', port=5000)