câmera fica ao usar com o OpenCV
import threading
import cv2
# Define the thread that will continuously pull frames from the camera
class CameraBufferCleanerThread(threading.Thread):
def __init__(self, camera, name='camera-buffer-cleaner-thread'):
self.camera = camera
self.last_frame = None
super(CameraBufferCleanerThread, self).__init__(name=name)
self.start()
def run(self):
while True:
ret, self.last_frame = self.camera.read()
# Start the camera
camera = cv2.VideoCapture(0)
# Start the cleaning thread
cam_cleaner = CameraBufferCleanerThread(camera)
# Use the frame whenever you want
while True:
if cam_cleaner.last_frame is not None:
cv2.imshow('The last frame', cam_cleaner.last_frame)
cv2.waitKey(10)
Precious Pygmy