def main(self):
while(not self._event_quit):
self.timer.mark_new_frame()
#Capture frame-by-frame
a_frame = self.capturer.get_frame()
a_frame = flip_frame(a_frame)
self.gui.feed_frame(a_frame)
#detect face part:
if self.should_process_this_frame:
#face>>(x,y,w,h)
face = self.detect_face_in_frame(a_frame)
if face is not None:
self.gui.show_face_position(face)
if self._event_debug:
self.gui.show_face(face)
if self._event_auto_limit:
self._event_msg = self.handle_auto_limit(face)
elif self._event_enforcing:
self._event_msg = self.handle_enforce(face)
#this if is out of the process one to leave the msg in between frames
if self._event_msg:
self.gui.show_msg(self._event_msg)
#Check user input, this part needs to be after the frame has been created and fed to gui:
self.dispatch_keyb_events()
if self._event_debug:
self.gui.show_debug(self.timer)
#TODO: if face detected, work counter counts:
if self.work_timer.is_started:
self.gui.show_contdown(self.work_timer.get_time_left())
#Add on-screen controls and limits visual guide:
self.gui.show_controls()
self.gui.show_limits(self.face_enforcer)
#Display the resulting frame
if self._event_image_show:
self.gui.show_image()
#if we are out of the while:
self.clean_up()
#FIXME quick and dirty counter for only processing every 5th frame.
fps_counter = 0
msg = None
debug = 'off'
#Main Loop
while(True):
#Time tracking w opencv:
timer.new_frame()
fps_counter += 1
#Capture frame-by-frame
a_frame = capturer.get_frame()
a_frame = flip_frame(a_frame)
#display red line for lower limit
#TODO: change this to a general method to show limits:
gui.display_line(a_frame, (0, face_enforcer.y_limit_low),
(frame_width / 7, face_enforcer.y_limit_low), thickness=2)
gui.display_line(a_frame, (frame_width - (frame_width / 7), face_enforcer.y_limit_low),
(1280, face_enforcer.y_limit_low), thickness=2)
if fps_counter == 5:
fps_counter = 0
a_frame_prepared = convert_to_gray_and_equalize(a_frame)
faces_list = face_classifier.detect_multiscale(a_frame_prepared)
def prepare_frame():
frame = capturer.get_frame()
if frame is not None:
frame = flip_frame(frame)
return convert_to_gray(frame)
