jens
5b73cd0e1d
git-svn-id: http://moon:8086/svn/software/trunk/projects/opencv@310 b431acfa-c32f-4a4a-93f1-934dc6c82436
55 lines
1.2 KiB
Python
Executable File
55 lines
1.2 KiB
Python
Executable File
# import the necessary packages
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from __future__ import print_function
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from imutils.video import FPS
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from picamera import PiCamera
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from picamera import CircularIO
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import imutils
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import time
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import cv2
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class MyCameraIo(object):
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def __init__(self, frameSize):
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print("MyCameraIo")
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self.frameSize = frameSize[0]*frameSize[1]
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self.size = 0
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self.frames = 0
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self.fps = None
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def writable(self):
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return True
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def write(self, data):
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if self.size == 0:
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self.fps = FPS().start()
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self.size += len(data)
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self.frames += len(data)/(3*self.frameSize)
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def size(self):
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print("size")
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return self.size
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def flush(self):
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if self.size > 0:
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self.fps.stop()
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print("Recorded " + str(self.frames) + " frames (" + str(self.size) + " bytes)")
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print("FPS = " + str(self.frames/self.fps.elapsed()))
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# initialize the camera and stream
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camera = PiCamera()
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camera.resolution = (320, 240)
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camera.framerate = 90
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myCameraIo = MyCameraIo(camera.resolution)
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camera.start_recording(myCameraIo, format="bgr")
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# allow the camera to warmup and start the FPS counter
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print("[INFO] sampling frames from `picamera` module...")
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time.sleep(10.0)
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# do a bit of cleanup
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cv2.destroyAllWindows()
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camera.close()
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