class VideoStream:
def __init__(self,
src=0,
usePiCamera=False,
resolution=(960, 540),
framerate=60):
# 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 pivideostream import PiVideoStream
# initialize the picamera stream and allow the camera
# sensor to warmup
self.stream = PiVideoStream(resolution=resolution,
framerate=framerate)
# otherwise, we are using OpenCV so initialize the webcam
# stream
else:
self.stream = WebcamVideoStream(src=src,
resolution=resolution,
framerate=framerate)
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()
class VideoStream:
def __init__(self,
src=0,
usePiCamera=False,
resolution=(800, 600),
framerate=30):
if usePiCamera:
#freak the f**k out
return
else:
self.stream = WebcamVideoStream(src=src)
def start(self):
return self.stream.start()
def update(self):
return self.stream.update()
def read(self):
return self.stream.read()
def stop(self):
return self.stream.stop()
class VideoStream:
def __init__(self, src=0, usePiCamera=False, resolution=(320, 240),
framerate=32):
# 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 pivideostream import PiVideoStream
# initialize the picamera stream and allow the camera
# sensor to warmup
self.stream = PiVideoStream(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()
class VideoStream: def __init__(self, src=0,usePiCamera=False, resolution=(320,240),framerate=32): #check to see if the picamera module should be used if usePiCamera: from pivideostream import PiVideoStream self.stream = PiVideoStream(resolution=resolution, framerate=framerate) 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()
class VideoStream: ##* Function Name: __init__ ##* Input: - ##* Output: - ##* Logic: Initializes the stream ##* Example Call: - def __init__(self, src=0, usePiCamera=False, resolution=(320, 240), framerate=32): # 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 pivideostream import PiVideoStream # initialize the picamera stream and allow the camera # sensor to warmup self.stream = PiVideoStream(resolution=resolution, framerate=framerate) # otherwise, we are using OpenCV so initialize the webcam # stream else: self.stream = WebcamVideoStream(src=src) ##* Function Name: start ##* Input: - ##* Output: self.stream.start(), object for execution of the stream ##* Logic: Starts the stream ##* Example Call: vs=VideoStream(usePiCamera=args["picamera"] > 0).start() , here an object of Videostream class has been created, initialised and capturing of stream is started def start(self): # start the threaded video stream return self.stream.start() ##* Function Name: update ##* Input: - ##* Output: - ##* Logic: Updates the ongoing stream with every call ##* Example Call: vs.update() def update(self): # grab the next frame from the stream self.stream.update() ##* Function Name: read ##* Input: - ##* Output: self.stream.read(), captured frame ##* Logic: Returns the captured stream ##* Example Call: frame = vs.read(), reads the captured stream frame by frame def read(self): # return the current frame return self.stream.read() ##* Function Name: stop ##* Input: - ##* Output: - ##* Logic: Stops the stream ##* Example Call: vs.stop(), stops the capturing of the stream def stop(self): # stop the thread and release any resources self.stream.stop()
