def plot_frame(self, frame_num, use_mpl=False):
self.frame_data = cv2_utils.get_opencv_frame_as_array(self.filename, frame_num)
if use_mpl:
self.mpl_imshow(self.frame_data, figure=self.mpl_image_fig)
if self.use_pygame:
self.pygame_plot_object.imshowT(self.frame_data)
def load_new_file(self, filename=None):
filename = wx.FileSelector() if filename is None else filename
print filename
if filename == self.filename: # already loaded
return
if not os.path.exists(filename): # file does not exist
return
self.filename = filename
self.mpl_image = None
self._video_frame_rate = cv2_utils.get_frame_rate(self.filename)
self.get_number_of_frames(rebuild=True) # search for the number of frames
self.frame = cv2_utils.get_opencv_frame_as_array(self.filename, 0) # load the first frame
self.gui_app.set_filename(self.filename)
self.update()
