Exemple #1
0
 def run(self):
     'Take pictures from selected cameras'
     while self.__control_data != -1:
         #Run infinite loop as the main application is running
         for i, cam in enumerate(self.__cameras):
             #if there isn't a camera selected it creates a None value, otherwise create a RGB Matrix
             try:
                 cam(fast = False)
                 self.__results[i] = cam.RGBimage
             except:
                 self.__results[i] = None
         if self.__control_data:
             #Send list of RGB Matrix to main application only on request
             self.__sending_pipe.send(self.__results)
             self.__control_data = 0
         self.__sending_data = self.__sending_pipe.recv() if self.__sending_pipe.poll() else self.__sending_data
         for i, cam in enumerate(self.__cameras):
             #Change or close camera devices as selected on the main application
             if ((cam == None) and (self.__sending_data[i] != None)):
                 self.__cameras[i] = camera(self.__sending_data[i])
             elif ((cam != None) and (self.__sending_data[i] == None)):
                 self.__cameras[i].close()
                 self.__cameras[i] = None
             elif ((cam != None) and (cam.device != (self.__sending_data[i]))):
                 self.__cameras[i].close()
                 self.__cameras[i] = None
                 self.__cameras[i]= camera(self.__sending_data[i])
         self.__control_data = self.__control_pipe.recv() if self.__control_pipe.poll() else self.__control_data
     for cam in self.__cameras:
         try:
             cam.close()
         except:
             pass
     return
Exemple #2
0
 def __init__(self, c_pipe, s_pipe, default_file, project_file):
     Process.__init__(self)
     self.__c_pipe = c_pipe
     self.__s_pipe = s_pipe
     self.__d_file = default_file
     self.__p_file = project_file
     cam_names = default_file.read('str', 'cameras', 'names')
     resolution = project_file.read('list', 'cameras', 'resolution')
     self.__config = [project_file.read('list', 'cameras', cam) for cam in cam_names]
     self.__colors = [project_file.read('np_array', 'colors', cam) for cam in cam_names]
     cam_numbers = [config[0] for config in self.__config]
     self.__cameras = [camera(num, resolution) for num in cam_numbers]
     self.__c_data = 1 # -1 stop process, 0 pause process, 1 start-resume process
     self.__s_data = 0 # 0 don't send images, 1 send images
     self.__init_time = None
     self.__time = None
     #Setting workers
     self.__results = range(4)
     self.__flag = 0
     self.__c_pipes = []
     self.__s_pipes = []
     self.__workers = []
     for index in xrange(3):
         c_, c_1 = Pipe()
         s_, s_1 = Pipe()
         w_ = worker(self.__config[index], self.__colors[index], c_1, s_1) 
         w_.start()
         self.__c_pipes.append(c_)
         self.__s_pipes.append(s_)
         self.__workers.append(w_)
     return