def start():
cams = [{
"tz":
"ID",
"url":
'https://cf-stream.coastalwatch.com/cw/' +
os.environ.get('CAMNAME', 'bondicamera') + '.stream/chunklist.m3u8',
"framerate":
int(os.environ.get('FR', '20')),
"videolength":
os.environ.get('LENGTH', '00:06:00')
}]
cam = Camera(cams, test=TEST)
cam.start = True
for img in cam:
if cam.start:
height, width, _ = img.shape
panarama = Panarama(img, height, width)
cam.start = False
else:
panarama.stitch(img)
# if no more states
if not panarama.REQUIREDSTATESBEFORERESET:
cam.resetnext = True
# either display at constant framerate (if zero display last frame)
if (cam.framerate > 0
and cam.f % cam.framerate == 0) or (cam.framerate == 0
and cam.resetnext):
if TEST:
img = cv2.imencode('.jpg', img)[1]
frame = img.tostring()
# yield (b'--frame\r\n'
# b'Content-Type: image/jpeg\r\n\r\n' + frame + b'\r\n\r\n')
else:
frame = np.flip(panarama.raw, axis=2)
(h, w, _) = frame.shape
im = Image.fromarray(frame)
name = cams[0]['url'][:-22].split('/')[-1]
dir = "/tmp/frame-" + name + ".jpeg"
#im = im.resize((w, h*2), Image.ANTIALIAS)
im.save(dir, quality=100)
sp.check_call('gsutil -m mv -a public-read ' + dir +
' gs://handy-contact-219622.appspot.com/frame-' +
name + '.jpeg',
shell=True)
class Main:
config_filename = 'config'
cam = None
parking_lot = None
backend_notifier = None
def __init__(self):
# read config file
config = configparser.ConfigParser()
config.read(self.config_filename)
refresh_in_seconds = 1
# exit on unavailable config file
if len(config) == 1:
sys.exit("Config file not found or empty, please create ./%s" %
(self.config_filename))
# exit if sections not present
if 'default' not in config.sections():
sys.exit("Default settings not found")
refresh_in_seconds = int(config['default']['refresh_in_seconds'])
# exit if sections not present
if 'camera' not in config.sections():
sys.exit("Camera settings not found")
self.cam = Camera(config['camera'])
# exit if sections not present
if 'backend' not in config.sections():
sys.exit("Backend settings not found")
self.backend_notifier = BackendNotifier(config['backend'])
# exit if sections not present
if 'parking_lot' not in config.sections():
sys.exit("Parking lot settings not found")
self.parking_lot = ParkingLot(config['parking_lot'], self.cam)
# write any changes to config
with open(self.config_filename, 'w') as configfile:
config.write(configfile)
# Execute Main Loop
self.execute(refresh_in_seconds)
def execute(self, refresh_in_seconds):
self.cam.start()
frame_num = -1
while (True):
check, frame = self.cam.getNextFrame()
frame_num += 1
if (check and
(frame_num %
(self.cam.fps * refresh_in_seconds) == 0 or frame_num == 0)):
spots.find(frame, self.parking_lot)
frame_small = cv2.resize(frame, (1280, 720))
cv2.imshow('Free spots marked with green (press q to close)',
frame_small)
if (frame_num % (self.cam.fps * 2) == 0):
self.backend_notifier.notifyAll(
self.parking_lot.parking_spots)
frame_num = 0
if (cv2.waitKey(1) & 0xFF == ord('q')):
break
self.cam.stop()
