class TVApp:
def __init__(self, config_path):
self._logger = getLogger("raspberry")
self._logger.setLevel(INFO)
formatter = Formatter(
'%(asctime)s [%(name)s] %(levelname)s : %(message)s')
stream_handler = StreamHandler()
stream_handler.setLevel(INFO)
stream_handler.setFormatter(formatter)
self._logger.addHandler(stream_handler)
signal.signal(signal.SIGINT, self.exit_gracefully)
signal.signal(signal.SIGTERM, self.exit_gracefully)
self._logger.info("Initializing...")
self.preference_checker = Preferences(config_path)
self.video_player = VideoPlayer()
self.tv_controller = TVController()
self._logger.info("Ready")
def run(self):
self._logger.info(
"Waiting 1 min if you want to stop me before I go full screen...")
time.sleep(60)
self._logger.info("Starting all components now...")
self.tv_controller.start(self.preference_checker.time_on_off)
self.video_player.start(self.preference_checker.video_list)
self.preference_checker.start()
while True:
time.sleep(120)
def exit_gracefully(self, signum, frame):
self._logger.info("Key pressed, exiting")
self.tv_controller.stop()
self.video_player.stop()
self.preference_checker.stop()
self._logger.info("End")
print('Found {} cameras.'.format(len(cameras)))
if len(cameras) > 0:
# index of the currently active camera
cam_index = 0
# initialize video player
player = VideoPlayer(cameras[cam_index], WINDOW_NAME, fourcc)
player.play()
while player.playing:
if player.camera_defect:
print('ERROR: Camera not responding. Removing it from the list.')
print('ERROR: CAMERA_BACKEND:',
cameras[cam_index % len(cameras)].backend)
player.stop()
# remove the malfunctioning camera
cameras.remove(cameras[cam_index % len(cameras)])
player.change_camera(cameras[cam_index % len(cameras)])
player.play()
# handle input
key_pressed = cv2.waitKey(1)
# print(key_pressed)
if key_pressed == 32: # space (start/stop recording)
print('PRESSED: space')
player.toogle_recording()
elif key_pressed == 111: # 'o' (toogle overlay)
print('PRESSED: o')
player.toogle_overlay()
elif key_pressed == 9: # 'tab' (next camera)