class VideoStream:
def __init__(self,
src=0,
usePiCamera=False,
resolution=(320, 240),
framerate=32):
# check to see if the picamera module should be used
if usePiCamera:
# only import the picamera packages unless we are
# explicity told to do so -- this helps remove the
# requirement of `picamera[array]` from desktops or
# laptops that still want to use the `imutils` package
from pivideostream import PiVideoStream
# initialize the picamera stream and allow the camera
# sensor to warmup
self.stream = PiVideoStream(resolution=resolution,
framerate=framerate)
# otherwise, we are using OpenCV so initialize the webcam
# stream
else:
self.stream = WebcamVideoStream(src=src)
def start(self):
# start the threaded video stream
return self.stream.start()
def update(self):
# grab the next frame from the stream
self.stream.update()
def read(self):
# return the current frame
return self.stream.read()
def stop(self):
# stop the thread and release any resources
self.stream.stop()
# show the frame and record if a key is pressed
# cv2.imshow("Frame", frame)
fps.update()
key = cv2.waitKey(1) & 0xFF
if not status == "No Targets":
print("{} x:{} y:{} ft:{:.2f} {} ".format(status, (cX - f_w),
(cY - f_h),
(inches * 3) / 12,
cpuTemp))
else:
print("{} x: y: ft:{:.2f} {} ".format(status, -00, cpuTemp))
# if the 'q' key is pressed, stop the loop
if (key == ord("q") or key == ord("Q") or key == chr(27)):
break
# cleanup the camera and close any open windows
fps.stop()
camera.stop()
cv2.destroyAllWindows()
print("============================================")
print("\tElasped time: {:.2f}".format(fps.elapsed()))
print("\tApprox. FPS: {:.2f}".format(fps.fps()))
print("Camera Active: ", camera.grabbed)
camera.update()
sleep(4)
