def __init__(self, config):
self.conf = config
self.cam = picam.PiCam(config)
self.printer = PrinterProxy(self.conf)
# platform and picam
logger.info("PLATFORM: %s" % platform_devs.running_platform)
platform_devs.platform_init()
self.cam.start()
# peripherials
self.button = platform_devs.Button()
self.button_pressed = False
self.lights = platform_devs.Lights(self.conf['devices']['lights_external'])
self.button.register_callback(self.button_callback)
# uploader
self.upload = UploadProxy(self.conf)
# model
self.is_running = False
self.model = model.VideoBoothModel(self)
class VideoBoothController(object):
""" controlling the logic flow around the whole application """
def __init__(self, config):
self.conf = config
self.cam = picam.PiCam(config)
self.printer = PrinterProxy(self.conf)
# platform and picam
logger.info("PLATFORM: %s" % platform_devs.running_platform)
platform_devs.platform_init()
self.cam.start()
# peripherials
self.button = platform_devs.Button()
self.button_pressed = False
self.lights = platform_devs.Lights(self.conf['devices']['lights_external'])
self.button.register_callback(self.button_callback)
# uploader
self.upload = UploadProxy(self.conf)
# model
self.is_running = False
self.model = model.VideoBoothModel(self)
def run(self):
"""Main loop"""
self.is_running = True
self.button.start()
self.upload.start()
while self.is_running:
# if camera stopped working, exit
if not self.cam.update():
break
button_pressed = self.process_events()
# detecting LONG PRESS for poweroff:
self.button.update_state()
self.model.update(button_pressed)
# TODO: polling/fps instead of this?
time.sleep(0.3)
self.quit()
def __del__(self):
self.cam.stop()
platform_devs.platform_deinit()
def quit(self):
self.is_running = False
if self.model:
self.model.quit()
self.model = None
self.lights.pause()
self.cam.stop()
def button_callback(self):
self.button_pressed = True
def process_events(self):
button_pressed = self.button_pressed
self.button_pressed = False
return button_pressed
def get_external_ip(self):
return platform_devs.get_ip()
def set_info_text(self, text_arg, big=False, color="ffffff"):
text = text_arg.strip().replace("\n", "\\n")
if big:
self.cam.set_text(text, pt=140, layout_align="center,center", color=color)
else:
self.cam.set_text(text, pt=60, color=color)
def set_rec_text(self, time):
text = "\\n".join([u"●REC", time])
self.cam.set_text(text, layout_align="top,right", horizontal_margin=30, vertical_margin=30, color="ff0000")
def start_recording(self):
self.cam.start_recording()
def stop_recording(self):
self.cam.stop_recording()
def check_recording_state(self, post_res):
if not self.cam.is_recording():
new_movie_fn = self.cam.last_rec_filename()
logger.info("NEW MOVIE: %s", new_movie_fn)
(upload_url, frontend_url) = post_res or ("", "")
self.upload.async_process(upload_url, new_movie_fn)
if len(frontend_url) > 0:
logger.info("frontend URL: %s", frontend_url)
self.printer.print_video(frontend_url)
return True
return False