jens
4bf4c483a4
- added VideoSource to piCameraPipeline git-svn-id: http://moon:8086/svn/software/trunk/projects/opencv@330 b431acfa-c32f-4a4a-93f1-934dc6c82436
63 lines
2.0 KiB
Python
Executable File
63 lines
2.0 KiB
Python
Executable File
# import the necessary packages
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import time
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from picamera import PiCamera
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from piCameraPipeline import PiCameraPipeline
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from piCameraPipeline.PiCameraPipeline import RgbProcess
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from piCameraPipeline.PiCameraPipeline import RgbProcessorAdapter
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if ("__main__" == __name__):
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import cv2
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# Unit test with to threaded processors
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class MyRgbProcess1(RgbProcess):
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def __init__(self, name, resolution=(320, 240, 3), numEntries=2, next=None):
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super(MyRgbProcess1, self).__init__(name, resolution, numEntries, next)
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def process(self):
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data = self.read(1.0)
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if data is not None:
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gray = cv2.cvtColor(data,cv2.COLOR_BGR2GRAY)
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gray_blurred = cv2.medianBlur(gray,5)
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cv2.imshow('displayThread1', gray_blurred)
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cv2.waitKey(1)
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if self.next is not None:
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self.next.write(cv2.cvtColor(gray_blurred,cv2.COLOR_GRAY2BGR))
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class MyRgbProcess2(RgbProcess):
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def __init__(self, name, resolution=(320, 240, 3), numEntries=2, next=None):
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super(MyRgbProcess2, self).__init__(name, resolution, numEntries, next)
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def process(self):
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data = self.read(1.0)
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if data is not None:
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gray = cv2.cvtColor(data,cv2.COLOR_BGR2GRAY)
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# Canny edge detection
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canny = cv2.Canny(gray, 100, 50)
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cv2.imshow('displayThread2', canny)
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cv2.waitKey(1)
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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 = 60
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frameDim = (camera.resolution[0], camera.resolution[1], 3)
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myProcessor2 = MyRgbProcess2('Process 2', (240, 320, 3), 4)
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myProcessor1 = MyRgbProcess1('Process 1', (240, 320, 3), 4, myProcessor2)
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myRgbProcessorAdapter = RgbProcessorAdapter(frameDim)
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myRgbProcessorAdapter.processorAdd(myProcessor1)
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camera.start_recording(myRgbProcessorAdapter, 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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camera.stop_recording()
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myProcessor1.stop()
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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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