# app.py — PS3 Eye + Flask — FINAL, LED STAYS ON, 60 fps
from flask import Flask, Response, render_template_string
import cv2
import time
import numpy as np
app = Flask(__name__)
# ←←← CAMERA IS NO LONGER GLOBAL — created on first use
camera = None
def get_camera():
global camera
if camera is None or not camera.isOpened():
print("Initializing PS3 Eye (index 2, V4L2)...")
camera = cv2.VideoCapture(2, cv2.CAP_V4L2)
if not camera.isOpened():
raise RuntimeError("Cannot open PS3 Eye")
camera.set(cv2.CAP_PROP_FOURCC, cv2.VideoWriter_fourcc('M','J','P','G'))
camera.set(cv2.CAP_PROP_FRAME_WIDTH, 640)
camera.set(cv2.CAP_PROP_FRAME_HEIGHT, 480)
camera.set(cv2.CAP_PROP_FPS, 60)
camera.set(cv2.CAP_PROP_BUFFERSIZE, 1)
# Wake-up sequence — LED turns on here and stays on
print("Warming up camera — LED should turn ON now...")
for i in range(60):
ret, _ = camera.read()
if ret and i == 30:
print("Camera alive — LED ON permanently")
time.sleep(0.5)
w = camera.get(cv2.CAP_PROP_FRAME_WIDTH)
h = camera.get(cv2.CAP_PROP_FRAME_HEIGHT)
fps = camera.get(cv2.CAP_PROP_FPS)
print(f"Camera initialized → {w}x{h} @ {fps} fps")
return camera
frame_counter = 0
last_time = time.time()
def generate_frames():
global frame_counter, last_time
cam = get_camera() # ← ensures camera exists and is warm
while True:
success, frame = cam.read()
if not success:
frame = np.zeros((480, 640, 3), np.uint8)
cv2.putText(frame, "NO FRAME", (100, 240), cv2.FONT_HERSHEY_SIMPLEX, 2, (0,0,255), 5)
else:
now = time.time()
if now - last_time >= 1.0:
print(f"Live → ~{frame_counter/(now-last_time):.1f} fps")
frame_counter = 0
last_time = now
frame_counter += 1
ret, buffer = cv2.imencode('.jpg', frame, [int(cv2.IMWRITE_JPEG_QUALITY), 82])
yield (b'--frame\r\n'
b'Content-Type: image/jpeg\r\n\r\n' + buffer.tobytes() + b'\r\n')
@app.route('/')
def index():
return render_template_string('''
PS3 Eye — 60 fps Live
PS3 Eye — 640×480 @ 60 fps
LED should stay ON permanently
''')
@app.route('/video_feed')
def video_feed():
return Response(generate_frames(),
mimetype='multipart/x-mixed-replace; boundary=frame')
# Only release when the entire Python process exits
import atexit
atexit.register(lambda: camera.release() if camera and camera.isOpened() else None)
if __name__ == '__main__':
try:
app.run(host='0.0.0.0', port=5000, threaded=True)
finally:
if camera and camera.isOpened():
camera.release()
print("Camera released on shutdown")