40 lines
1.1 KiB
Python
40 lines
1.1 KiB
Python
# import the necessary packages
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from .webcamvideostream import WebcamVideoStream
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class VideoStream:
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def __init__(self, src=0, usePiCamera=False, resolution=(320, 240),
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framerate=32, **kwargs):
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# check to see if the picamera module should be used
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if usePiCamera:
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# only import the picamera packages unless we are
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# explicity told to do so -- this helps remove the
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# requirement of `picamera[array]` from desktops or
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# laptops that still want to use the `imutils` package
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from .pivideostream import PiVideoStream
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# initialize the picamera stream and allow the camera
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# sensor to warmup
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self.stream = PiVideoStream(resolution=resolution,
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framerate=framerate, **kwargs)
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# otherwise, we are using OpenCV so initialize the webcam
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# stream
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else:
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self.stream = WebcamVideoStream(src=src)
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def start(self):
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# start the threaded video stream
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return self.stream.start()
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def update(self):
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# grab the next frame from the stream
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self.stream.update()
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def read(self):
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# return the current frame
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return self.stream.read()
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def stop(self):
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# stop the thread and release any resources
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self.stream.stop()
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