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videosimple.py
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videosimple.py
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"""
Lecture et affichage de la video
"""
from pivideostream import PiVideoStream
from imutils.video import FPS # Pour les mesures de framerate
import cv2
import time
import numpy as np
# Nom de la fenetre d'affichage
window_name = 'preview'
# Creation du thread de lecture + setup
vs=PiVideoStream()
vs.camera.video_stabilization = True
# Demarrage du flux video + warmup de la camera
vs.start()
time.sleep(2.0)
# Creation de la fenetre d'affichage
cv2.namedWindow(window_name, cv2.WINDOW_AUTOSIZE)
fps = FPS().start()
while True :
frame = vs.read()
fps.update()
cv2.imshow(window_name, frame)
key = cv2.waitKey(1) & 0xFF
if key == ord("q") :
break
fps.stop()
print("Temps passé : {:.2f}".format(fps.elapsed()))
print("Approx. FPS : {:.2f}".format(fps.fps()))
cv2.destroyAllWindows()
vs.stop()