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PiCamera settings via kwargs #149

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Merged
merged 2 commits into from
Aug 18, 2019
Merged

PiCamera settings via kwargs #149

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7d66e0b
Update for PiCamera video streams so that camera parameters can be se…
Jul 1, 2019
7bab8c0
update style per Adrian's guidance
Jul 2, 2019
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12 changes: 10 additions & 2 deletions imutils/video/pivideostream.py
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Original file line number Diff line number Diff line change
Expand Up @@ -5,11 +5,19 @@
import cv2

class PiVideoStream:
def __init__(self, resolution=(320, 240), framerate=32):
# initialize the camera and stream
def __init__(self, resolution=(320, 240), framerate=32, **kwargs):
# initialize the camera
self.camera = PiCamera()

# set camera parameters
self.camera.resolution = resolution
self.camera.framerate = framerate

# set optional camera parameters (refer to PiCamera docs)
for (arg, value) in kwargs.items():
setattr(self.camera, arg, value)

# initialize the stream
self.rawCapture = PiRGBArray(self.camera, size=resolution)
self.stream = self.camera.capture_continuous(self.rawCapture,
format="bgr", use_video_port=True)
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6 changes: 3 additions & 3 deletions imutils/video/videostream.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@

class VideoStream:
def __init__(self, src=0, usePiCamera=False, resolution=(320, 240),
framerate=32):
framerate=32, **kwargs):
# check to see if the picamera module should be used
if usePiCamera:
# only import the picamera packages unless we are
Expand All @@ -15,7 +15,7 @@ def __init__(self, src=0, usePiCamera=False, resolution=(320, 240),
# initialize the picamera stream and allow the camera
# sensor to warmup
self.stream = PiVideoStream(resolution=resolution,
framerate=framerate)
framerate=framerate, **kwargs)

# otherwise, we are using OpenCV so initialize the webcam
# stream
Expand All @@ -36,4 +36,4 @@ def read(self):

def stop(self):
# stop the thread and release any resources
self.stream.stop()
self.stream.stop()