Esempio n. 1
0
class VideoStream:
    def __init__(self,
                 src=0,
                 usePiCamera=False,
                 useFlirCamera=False,
                 resolution=(320, 240),
                 framerate=32,
                 **kwargs):
        # 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 imutils.video.pivideostream import PiVideoStream

            # initialize the picamera stream and allow the camera
            # sensor to warmup
            self.stream = PiVideoStream(resolution=resolution,
                                        framerate=framerate,
                                        **kwargs)

        elif useFlirCamera:
            from .thermalcamvideostream import ThermalcamVideoStream
            self.stream = ThermalcamVideoStream(src=src)

        # otherwise, we are using OpenCV so initialize the webcam
        # stream
        else:
            from imutils.video.webcamvideostream import WebcamVideoStream
            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()
Esempio n. 2
0
class VideoStream:
    WEBCAM = 0
    PICAMERA = 1
    JETSONCAMERA = 2

    def __init__(self,
                 src=0,
                 camera=JETSONCAMERA,
                 resolution=(1280, 720),
                 framerate=21):
        # check to see if the picamera module should be used
        if camera == self.PICAMERA:
            # 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 imutils.video.pivideostream import PiVideoStream

            # initialize the picamera stream and allow the camera
            # sensor to warmup
            self.stream = PiVideoStream(resolution=resolution,
                                        framerate=framerate)
        elif camera == self.JETSONCAMERA:
            from .jetsonvideostream import JetsonVideoStream
            self.stream = JetsonVideoStream(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()
Esempio n. 3
0
class CameraStream:
    def __init__(self, src=0, use_pi_camera=False, resolution=(800, 600),
                 framerate=30):
        if use_pi_camera:
            from imutils.video.pivideostream import PiVideoStream
            self.stream = PiVideoStream(resolution=resolution, framerate=framerate)

        else:
            from imutils.video.webcamvideostream import WebcamVideoStream
            self.stream = WebcamVideoStream(src=src)

    def start(self):
        return self.stream.start()

    def update(self):
        self.stream.update()

    def read(self):
        return self.stream.read()

    def stop(self):
        self.stream.stop()