40 lines
1.3 KiB
Python
40 lines
1.3 KiB
Python
#Modified by smartbuilds.io
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#Date: 27.09.20
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#Desc: This scrtipt script..
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import cv2 as cv
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from imutils.video.pivideostream import PiVideoStream
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import imutils
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import time
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from datetime import datetime
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import numpy as np
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class VideoCamera(object):
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def __init__(self, flip = False, file_type = ".jpg", photo_string= "stream_photo"):
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self.vs = PiVideoStream(resolution=(1920, 1080), framerate=30).start()
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self.flip = flip # Flip frame vertically
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self.file_type = file_type # image type i.e. .jpg
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self.photo_string = photo_string # Name to save the photo
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time.sleep(2.0)
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def __del__(self):
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self.vs.stop()
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def flip_if_needed(self, frame):
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if self.flip:
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return np.flip(frame, 0)
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return frame
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def get_frame(self):
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frame = self.flip_if_needed(self.vs.read())
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ret, jpeg = cv.imencode(self.file_type, frame)
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self.previous_frame = jpeg
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return jpeg.tobytes()
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# Take a photo, called by camera button
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def take_picture(self):
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frame = self.flip_if_needed(self.vs.read())
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ret, image = cv.imencode(self.file_type, frame)
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today_date = datetime.now().strftime("%m%d%Y-%H%M%S") # get current time
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cv.imwrite(str(self.photo_string + "_" + today_date + self.file_type), frame)
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