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How to use stopVideoCapture method in fMBT

Best Python code snippet using fMBT_python

FPVSystem.py

Source:FPVSystem.py

1import cv22import time3import base644import httplib25import time6import os7from googleapiclient import discovery8from oauth2client.client import GoogleCredentials9class FPVSystem:10	def __init__(self, secondsPerPhoto, numVehicle):11        	self.secondsPerPhoto = secondsPerPhoto12		self.capture = None13		self.out = None14		self.numVehicle = numVehicle15		self.stopVideoCapture = False16		# The url template to retrieve the discovery document for trusted testers.17		self.discoveryURL = 'https://{api}.googleapis.com/$discovery/rest?version={apiVersion}'18		# [START authenticate]19		self.credentials = GoogleCredentials.get_application_default()20		self.service = discovery.build('vision', 'v1', credentials = self.credentials, discoveryServiceUrl = self.discoveryURL)21		# [END authenticate]22        	print (chr(27) + "[0;32m" + "FPV System initiated."), ; print (chr(27) + "[0m")	 23	def videoCapture(self):24		number = 025		cv2.namedWindow("Drone %s" %self.numVehicle, cv2.cv.CV_WINDOW_NORMAL)26		cv2.cv.ResizeWindow("Drone %s" %self.numVehicle, 640, 480)27		cv2.startWindowThread()28		while True:29        		capAux = cv2.VideoCapture(number)30        		if not (capAux.isOpened()):31        			break;32     			else:33            			number= number+134            			capAux.release()35		36		print number37		if number >= 1:   38			self.capture = cv2.VideoCapture(1)39		else:40			self.capture = cv2.VideoCapture(0)41		w = int(self.capture.get(cv2.cv.CV_CAP_PROP_FRAME_WIDTH))42		h = int(self.capture.get(cv2.cv.CV_CAP_PROP_FRAME_HEIGHT))43		# video recorder44		fourcc = cv2.cv.CV_FOURCC(*'XVID')45		self.out = cv2.VideoWriter(time.strftime("Videos/%d-%m-%Y_%H:%M:%S")+".avi", fourcc, 25, (w, h))46		if not self.capture.isOpened():47			print chr(27) + "[0;31m" + "FPV system not connected.", ; print chr(27) + "[0m"48		t0 = time.time()49		result= ["Label not found"]50		while self.capture.isOpened() and not self.stopVideoCapture:51			coordY= 5052			ch = 0xFF & cv2.waitKey(1)53			ret, frame = self.capture.read()54			if ret == True:55				for i in result: 56					cv2.putText(frame, i, (20, coordY), cv2. FONT_HERSHEY_DUPLEX, 1.5, (0, 0, 255), 2)57					coordY = coordY + 5058				self.out.write(frame)59        			cv2.imshow("Drone %s" %self.numVehicle,frame)60				timer = round((time.time() - t0) % self.secondsPerPhoto, 2)61				if  timer >= 0 and timer <= 0.99:62            				photoFile = time.strftime("Images/%d-%m-%Y_%H:%M:%S")+".jpg"63            				cv2.imwrite(photoFile, frame)64            				print chr(27) + "[1;33m" + "Drone %s: " %self.numVehicle + photoFile, "saved", ; print chr(27) + "[0m"65					result = self.labelDetection(photoFile, result)	66    			else:67        			break68		self.capture.release()69		self.out.release()70		cv2.destroyWindow("Drone %s" %self.numVehicle)	71		cv2.waitKey(1)72		cv2.waitKey(1)73		cv2.waitKey(1)74		cv2.waitKey(1)75					76	def labelDetection(self, photoFile, result):77    		# [START construct_request]78    		with open(photoFile, 'rb') as image:79        		image_content = base64.b64encode(image.read())80        		service_request = self.service.images().annotate(body = {81            			'requests': [{82                			'image': {83                    				'content': image_content.decode('UTF-8')84                			},85                			'features': [{86                    				'type': 'LABEL_DETECTION',87                    				'maxResults': 588                			}]89            			}]90        		})91        	# [END construct_request]92        93		# [START parse_response]94        	response = service_request.execute()95		responseLength = len(response['responses'][0])96		if responseLength == 0:97			result = ["Label not found"]98		else:99			labelLength = len(response['responses'][0]['labelAnnotations'])100			result= []101			for i in range(labelLength):102        			label = str(i+1) + ". " + response['responses'][0]['labelAnnotations'][i]['description']103				result.append(label)104				...

teststeps.py

Source:teststeps.py

...21 return frames22def iStartVideocapt():23 camera.startVideoCapture()24def iStopVideocapt():...

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